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26 changed files with 731 additions and 4407 deletions
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@ -6,7 +6,6 @@
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#include <elf.h>
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#include <arpa/inet.h>
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/// mips is a big endian system
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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#define B32(n) (__bswap_constant_32(n))
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#define B16(n) (__bswap_constant_16(n))
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@ -33,7 +32,7 @@ static const Elf32_Ehdr MIPS_ELF_EHDR =
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.e_machine = B16(EM_MIPS),
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.e_version = B32(EV_CURRENT),
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.e_entry = 0x00,
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.e_flags = 0x00,
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.e_flags = B32(EF_MIPS_ARCH_32R6 | EF_MIPS_NAN2008 | EF_MIPS_ABI_O32),
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.e_ehsize = B16(sizeof(Elf32_Ehdr)),
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.e_phentsize = B16(sizeof(Elf32_Phdr)),
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.e_shentsize = B16(sizeof(Elf32_Shdr)),
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@ -14,7 +14,6 @@
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#define __DEBUG 1
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#define __WARNING 2
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#define __ERROR 3
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#define __BUG 4
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__attribute__((format(printf, 4, 5)))
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void __log_impl_pos(int line, int column, int type, const char *format, ...);
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@ -26,9 +25,6 @@ void __log_impl(int type, const char *format, ...);
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#define WARNING(format, ...) \
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__log_impl(__WARNING, format, ##__VA_ARGS__)
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#define BUG(format, ...) \
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__log_impl(__BUG, format, ##__VA_ARGS__)
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#define ERROR(format, ...) \
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__log_impl(__ERROR, format, ##__VA_ARGS__)
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227
include/mips1.h
227
include/mips1.h
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@ -1,227 +0,0 @@
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/* Copyright (c) 2024 Freya Murphy */
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#ifndef __MIPS1_H__
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#define __MIPS1_H__
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#include <mlimits.h>
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#include <stdint.h>
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#include <mips.h>
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// TODO:
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// CFC1
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// CTC1
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// COP0-3
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// LWC1-3
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// SWC1-3
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/* mips instructions */
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enum mips1_instruction_type {
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MIPS1_INS_ADD,
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MIPS1_INS_ADDI,
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MIPS1_INS_ADDIU,
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MIPS1_INS_ADDU,
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MIPS1_INS_AND,
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MIPS1_INS_ANDI,
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MIPS1_INS_BC1F,
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MIPS1_INS_BC1T,
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MIPS1_INS_BEQ,
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MIPS1_INS_BGEZ,
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MIPS1_INS_BGEZAL,
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MIPS1_INS_BGTZ,
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MIPS1_INS_BLEZ,
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MIPS1_INS_BLTZAL,
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MIPS1_INS_BLTZ,
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MIPS1_INS_BNE,
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MIPS1_INS_BREAK,
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MIPS1_INS_CLO,
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MIPS1_INS_CLZ,
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MIPS1_INS_DIV,
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MIPS1_INS_DIVU,
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MIPS1_INS_ERET,
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MIPS1_INS_J,
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MIPS1_INS_JAL,
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MIPS1_INS_JALR,
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MIPS1_INS_JR,
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MIPS1_INS_LB,
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MIPS1_INS_LBU,
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MIPS1_INS_LH,
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MIPS1_INS_LHU,
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MIPS1_INS_LL,
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MIPS1_INS_LUI,
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MIPS1_INS_LW,
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MIPS1_INS_LWC1,
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MIPS1_INS_LWL,
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MIPS1_INS_LWR,
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MIPS1_INS_MADD,
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MIPS1_INS_MADDU,
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MIPS1_INS_MFC0,
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MIPS1_INS_MFC1,
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MIPS1_INS_MFHI,
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MIPS1_INS_MFLO,
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MIPS1_INS_MOVN,
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MIPS1_INS_MOVZ,
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MIPS1_INS_MSUB,
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MIPS1_INS_MSUBU,
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MIPS1_INS_MTC0,
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MIPS1_INS_MTC1,
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MIPS1_INS_MTHI,
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MIPS1_INS_MTLO,
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MIPS1_INS_MUL,
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MIPS1_INS_MULT,
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MIPS1_INS_MULTU,
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MIPS1_INS_NOR,
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MIPS1_INS_OR,
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MIPS1_INS_ORI,
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MIPS1_INS_SB,
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MIPS1_INS_SC,
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MIPS1_INS_SDC1,
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MIPS1_INS_SH,
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MIPS1_INS_SLL,
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MIPS1_INS_SLLV,
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MIPS1_INS_SLT,
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MIPS1_INS_SLTI,
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MIPS1_INS_SLTIU,
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MIPS1_INS_SLTU,
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MIPS1_INS_SRA,
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MIPS1_INS_SRAV,
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MIPS1_INS_SRL,
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MIPS1_INS_SRLV,
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MIPS1_INS_SUB,
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MIPS1_INS_SUBU,
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MIPS1_INS_SW,
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MIPS1_INS_SWC1,
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MIPS1_INS_SWL,
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MIPS1_INS_SWR,
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MIPS1_INS_SYSCALL,
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MIPS1_INS_TEQ,
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MIPS1_INS_TEQI,
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MIPS1_INS_TGE,
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MIPS1_INS_TGEI,
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MIPS1_INS_TGEIU,
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MIPS1_INS_TGEU,
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MIPS1_INS_TLT,
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MIPS1_INS_TLTI,
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MIPS1_INS_TLTIU,
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MIPS1_INS_TLTU,
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MIPS1_INS_TNE,
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MIPS1_INS_TNEI,
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MIPS1_INS_XOR,
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MIPS1_INS_XORI,
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__MIPS1_INS_NULL,
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};
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// op code groups
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#define MIPS1_OP_SPECIAL 0b000000
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#define MIPS1_OP_SPECIAL2 0b011100
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#define MIPS1_OP_REGIMM 0b000001
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#define MIPS1_OP_COP0 0b010000
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#define MIPS1_OP_COP1 0b010001
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// op codes
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#define MIPS1_OP_ADDI 0b001000
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#define MIPS1_OP_ADDIU 0b001001
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#define MIPS1_OP_ANDI 0b001100
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#define MIPS1_OP_BEQ 0b000100
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#define MIPS1_OP_BGTZ 0b000111
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#define MIPS1_OP_BLEZ 0b000110
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#define MIPS1_OP_BNE 0b000101
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#define MIPS1_OP_J 0b000010
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#define MIPS1_OP_JAL 0b000011
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#define MIPS1_OP_LB 0b100000
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#define MIPS1_OP_LBU 0b100100
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#define MIPS1_OP_LH 0b100001
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#define MIPS1_OP_LHU 0b100101
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#define MIPS1_OP_LL 0b110000
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#define MIPS1_OP_LUI 0b001111
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#define MIPS1_OP_LW 0b100011
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#define MIPS1_OP_LWC1 0b110001
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#define MIPS1_OP_LWL 0b100010
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#define MIPS1_OP_LWR 0b100110
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#define MIPS1_OP_ORI 0b001101
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#define MIPS1_OP_SB 0b101000
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#define MIPS1_OP_SC 0b111000
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#define MIPS1_OP_SDC1 0b111101
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#define MIPS1_OP_SH 0b101001
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#define MIPS1_OP_SLTI 0b001010
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#define MIPS1_OP_SLTIU 0b001011
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#define MIPS1_OP_SW 0b101011
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#define MIPS1_OP_SWC1 0b111001
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#define MIPS1_OP_SWL 0b101010
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#define MIPS1_OP_SWR 0b101110
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#define MIPS1_OP_XORI 0b001110
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// op special
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#define MIPS1_FUNCT_ADD 0b100000
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#define MIPS1_FUNCT_ADDU 0b100001
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#define MIPS1_FUNCT_AND 0b100100
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#define MIPS1_FUNCT_BREAK 0b001101
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#define MIPS1_FUNCT_DIV 0b011010
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#define MIPS1_FUNCT_DIVU 0b011011
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#define MIPS1_FUNCT_JALR 0b001001
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#define MIPS1_FUNCT_JR 0b001000
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#define MIPS1_FUNCT_MFHI 0b010000
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#define MIPS1_FUNCT_MFLO 0b010010
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#define MIPS1_FUNCT_MOVN 0b001011
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#define MIPS1_FUNCT_MOVZ 0b001010
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#define MIPS1_FUNCT_MTHI 0b010001
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#define MIPS1_FUNCT_MTLO 0b010011
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#define MIPS1_FUNCT_MULT 0b011000
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#define MIPS1_FUNCT_MULTU 0b011001
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#define MIPS1_FUNCT_NOR 0b100111
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#define MIPS1_FUNCT_OR 0b100101
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#define MIPS1_FUNCT_SLL 0b000000
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#define MIPS1_FUNCT_SLLV 0b000100
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#define MIPS1_FUNCT_SLT 0b101010
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#define MIPS1_FUNCT_SLTU 0b101011
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#define MIPS1_FUNCT_SRA 0b000011
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#define MIPS1_FUNCT_SRAV 0b000111
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#define MIPS1_FUNCT_SRL 0b000010
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#define MIPS1_FUNCT_SRLV 0b000110
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#define MIPS1_FUNCT_SUB 0b100010
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#define MIPS1_FUNCT_SUBU 0b100011
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#define MIPS1_FUNCT_SYSCALL 0b001100
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#define MIPS1_FUNCT_TEQ 0b110100
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#define MIPS1_FUNCT_TGE 0b110000
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#define MIPS1_FUNCT_TGEU 0b110001
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#define MIPS1_FUNCT_TLT 0b110010
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#define MIPS1_FUNCT_TLTU 0b110011
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#define MIPS1_FUNCT_TNE 0b110110
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#define MIPS1_FUNCT_XOR 0b100110
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// op special 2
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#define MIPS1_FUNCT_CLO 0b100001
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#define MIPS1_FUNCT_CLZ 0b100000
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#define MIPS1_FUNCT_MADD 0b000000
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#define MIPS1_FUNCT_MADDU 0b000001
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#define MIPS1_FUNCT_MSUB 0b000100
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#define MIPS1_FUNCT_MSUBU 0b000101
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#define MIPS1_FUNCT_MUL 0b100000
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// op regimm
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#define MIPS1_FUNCT_BGEZ 0b00001
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#define MIPS1_FUNCT_BGEZAL 0b10001
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#define MIPS1_FUNCT_BLTZ 0b00001
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#define MIPS1_FUNCT_BLTZAL 0b10000
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#define MIPS1_FUNCT_TEQI 0b01100
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#define MIPS1_FUNCT_TGEI 0b01000
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#define MIPS1_FUNCT_TGEIU 0b01001
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#define MIPS1_FUNCT_TLTI 0b01010
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#define MIPS1_FUNCT_TLTIU 0b01011
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#define MIPS1_FUNCT_TNEI 0b01110
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// op cop
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#define MIPS1_FUNCT_BC 0b01000
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#define MIPS1_FUNCT_MF 0b00000
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#define MIPS1_FUNCT_MT 0b00100
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// sub op c0
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#define MIPS1_FUNCT_ERET 0b011000
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#define __MIPS1_INS_LEN (__MIPS1_INS_NULL)
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#define __MIPS1_PSEUDO_LEN (34)
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#define __MIPS1_GRAMMER_LEN (__MIPS1_INS_LEN + __MIPS1_PSEUDO_LEN)
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extern struct mips32_grammer mips1_grammers[__MIPS1_GRAMMER_LEN];
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extern union mips32_instruction mips1_instructions[__MIPS1_INS_LEN];
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#endif /* __MIPS1_H__ */
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@ -43,42 +43,6 @@ enum mips32_register {
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MIPS32_REG_RA = 31,
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};
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/* all mips fp registers $f0-$f31 */
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enum mips32_fp_register {
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MIPS32_REG_F0 = 0,
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MIPS32_REG_F1 = 1,
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MIPS32_REG_F2 = 2,
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MIPS32_REG_F3 = 3,
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MIPS32_REG_F4 = 4,
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MIPS32_REG_F5 = 5,
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MIPS32_REG_F6 = 6,
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MIPS32_REG_F7 = 7,
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MIPS32_REG_F8 = 8,
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MIPS32_REG_F9 = 9,
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MIPS32_REG_F10 = 10,
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MIPS32_REG_F11 = 11,
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MIPS32_REG_F12 = 12,
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MIPS32_REG_F13 = 13,
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MIPS32_REG_F14 = 14,
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MIPS32_REG_F15 = 15,
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MIPS32_REG_F16 = 16,
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MIPS32_REG_F17 = 17,
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MIPS32_REG_F18 = 18,
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MIPS32_REG_F19 = 19,
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MIPS32_REG_F20 = 20,
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MIPS32_REG_F21 = 21,
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MIPS32_REG_F22 = 22,
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MIPS32_REG_F23 = 23,
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MIPS32_REG_F24 = 24,
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MIPS32_REG_F25 = 25,
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MIPS32_REG_F26 = 26,
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MIPS32_REG_F27 = 27,
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MIPS32_REG_F28 = 28,
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MIPS32_REG_F29 = 29,
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MIPS32_REG_F30 = 30,
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MIPS32_REG_F31 = 31,
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};
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/* mips instruction */
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union mips32_instruction {
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/* raw ins */
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@ -113,48 +77,6 @@ union mips32_instruction {
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uint32_t bfunct : 5;
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uint32_t : 11;
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};
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/* coprocessor */
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struct {
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uint32_t : 21;
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uint32_t cfunct : 5;
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uint32_t : 6;
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};
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/* flags */
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struct {
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// 6 bit
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uint32_t : 5;
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uint32_t sc : 1; // interrupt
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// 5 bit
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uint32_t rv : 1; // rotate variable
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uint32_t : 3;
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uint32_t hb : 1; // hazard barrier
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// 5 bit
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uint32_t : 5;
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// 5 bit
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uint32_t tf : 1; // true false
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uint32_t nd : 1; //
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uint32_t cc : 3; // code
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// 5 bit
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uint32_t r : 1; // rotate
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uint32_t : 3;
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uint32_t c0 : 1; // cop0
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// 6 bit
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uint32_t : 6;
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};
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/* break code */
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struct {
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uint32_t : 6;
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uint32_t code : 20;
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uint32_t : 6;
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};
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/* floating point */
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struct {
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uint32_t : 6;
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uint32_t fd : 5;
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uint32_t fs : 5;
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uint32_t ft : 5;
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uint32_t : 11;
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};
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} __attribute__((packed));
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/// grammer syntax:
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@ -1,342 +0,0 @@
|
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/* Copyright (c) 2024 Freya Murphy */
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||||
|
||||
#ifndef __MIPS32R2_H__
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#define __MIPS32R2_H__
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|
||||
#include <mlimits.h>
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#include <stdint.h>
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#include <mips.h>
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||||
|
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// TODO:
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||||
// balc
|
||||
|
||||
/* mips instructions */
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enum mips32r2_instruction_type {
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MIPS32R2_INS_ADD,
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MIPS32R2_INS_ADDI,
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MIPS32R2_INS_ADDIU,
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MIPS32R2_INS_ADDU,
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MIPS32R2_INS_AND,
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MIPS32R2_INS_ANDI,
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MIPS32R2_INS_BC1F,
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MIPS32R2_INS_BC1FL,
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MIPS32R2_INS_BC1T,
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MIPS32R2_INS_BC1TL,
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MIPS32R2_INS_BC2F,
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MIPS32R2_INS_BC2FL,
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MIPS32R2_INS_BC2T,
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MIPS32R2_INS_BC2TL,
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MIPS32R2_INS_BEQ,
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MIPS32R2_INS_BEQL,
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MIPS32R2_INS_BGEZ,
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MIPS32R2_INS_BGEZAL,
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MIPS32R2_INS_BGEZALL,
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MIPS32R2_INS_BGEZL,
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MIPS32R2_INS_BGTZ,
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MIPS32R2_INS_BGTZL,
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MIPS32R2_INS_BLEZ,
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MIPS32R2_INS_BLEZL,
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MIPS32R2_INS_BLTZ,
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MIPS32R2_INS_BLTZAL,
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||||
MIPS32R2_INS_BLTZALL,
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MIPS32R2_INS_BLTZL,
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MIPS32R2_INS_BNE,
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MIPS32R2_INS_BNEL,
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MIPS32R2_INS_BREAK,
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MIPS32R2_INS_CACHE,
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||||
MIPS32R2_INS_CFC1,
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MIPS32R2_INS_CFC2,
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||||
MIPS32R2_INS_CLO,
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||||
MIPS32R2_INS_CLZ,
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||||
MIPS32R2_INS_COP2,
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MIPS32R2_INS_CTC1,
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||||
MIPS32R2_INS_CTC2,
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||||
MIPS32R2_INS_DERET,
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||||
MIPS32R2_INS_DI,
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MIPS32R2_INS_DIV,
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MIPS32R2_INS_DIVU,
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||||
MIPS32R2_INS_EI,
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MIPS32R2_INS_ERET,
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MIPS32R2_INS_EXT,
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MIPS32R2_INS_INS,
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MIPS32R2_INS_J,
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||||
MIPS32R2_INS_JAL,
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||||
MIPS32R2_INS_JALR,
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MIPS32R2_INS_JR,
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||||
MIPS32R2_INS_LB,
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||||
MIPS32R2_INS_LBU,
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||||
MIPS32R2_INS_LDC1,
|
||||
MIPS32R2_INS_LDC2,
|
||||
MIPS32R2_INS_LDXC1,
|
||||
MIPS32R2_INS_LH,
|
||||
MIPS32R2_INS_LHU,
|
||||
MIPS32R2_INS_LL,
|
||||
MIPS32R2_INS_LUI,
|
||||
MIPS32R2_INS_LUXC1,
|
||||
MIPS32R2_INS_LW,
|
||||
MIPS32R2_INS_LWC1,
|
||||
MIPS32R2_INS_LWC2,
|
||||
MIPS32R2_INS_LWL,
|
||||
MIPS32R2_INS_LWR,
|
||||
MIPS32R2_INS_LWXC1,
|
||||
MIPS32R2_INS_MADD,
|
||||
MIPS32R2_INS_MADDU,
|
||||
MIPS32R2_INS_MFC0,
|
||||
MIPS32R2_INS_MFC1,
|
||||
MIPS32R2_INS_MFC2,
|
||||
MIPS32R2_INS_MFHC1,
|
||||
MIPS32R2_INS_MFHC2,
|
||||
MIPS32R2_INS_MFHI,
|
||||
MIPS32R2_INS_MFLO,
|
||||
MIPS32R2_INS_MOVF,
|
||||
MIPS32R2_INS_MOVN,
|
||||
MIPS32R2_INS_MOVT,
|
||||
MIPS32R2_INS_MOVZ,
|
||||
MIPS32R2_INS_MSUB,
|
||||
MIPS32R2_INS_MSUBU,
|
||||
MIPS32R2_INS_MTC0,
|
||||
MIPS32R2_INS_MTC1,
|
||||
MIPS32R2_INS_MTC2,
|
||||
MIPS32R2_INS_MTHC1,
|
||||
MIPS32R2_INS_MTHC2,
|
||||
MIPS32R2_INS_MTHI,
|
||||
MIPS32R2_INS_MTLO,
|
||||
MIPS32R2_INS_MUL,
|
||||
MIPS32R2_INS_MULT,
|
||||
MIPS32R2_INS_MULTU,
|
||||
MIPS32R2_INS_NOR,
|
||||
MIPS32R2_INS_OR,
|
||||
MIPS32R2_INS_ORI,
|
||||
MIPS32R2_INS_PREF,
|
||||
MIPS32R2_INS_PREFX,
|
||||
MIPS32R2_INS_RDHWR,
|
||||
MIPS32R2_INS_RDPGPR,
|
||||
MIPS32R2_INS_ROTR,
|
||||
MIPS32R2_INS_ROTRV,
|
||||
MIPS32R2_INS_SB,
|
||||
MIPS32R2_INS_SC,
|
||||
MIPS32R2_INS_SDBBP,
|
||||
MIPS32R2_INS_SDC1,
|
||||
MIPS32R2_INS_SDC2,
|
||||
MIPS32R2_INS_SDXC1,
|
||||
MIPS32R2_INS_SEB,
|
||||
MIPS32R2_INS_SEH,
|
||||
MIPS32R2_INS_SH,
|
||||
MIPS32R2_INS_SLL,
|
||||
MIPS32R2_INS_SLLV,
|
||||
MIPS32R2_INS_SLT,
|
||||
MIPS32R2_INS_SLTI,
|
||||
MIPS32R2_INS_SLTIU,
|
||||
MIPS32R2_INS_SLTU,
|
||||
MIPS32R2_INS_SRA,
|
||||
MIPS32R2_INS_SRAV,
|
||||
MIPS32R2_INS_SRL,
|
||||
MIPS32R2_INS_SRLV,
|
||||
MIPS32R2_INS_SUB,
|
||||
MIPS32R2_INS_SUBU,
|
||||
MIPS32R2_INS_SUXC1,
|
||||
MIPS32R2_INS_SW,
|
||||
MIPS32R2_INS_SWC1,
|
||||
MIPS32R2_INS_SWC2,
|
||||
MIPS32R2_INS_SWL,
|
||||
MIPS32R2_INS_SWR,
|
||||
MIPS32R2_INS_SWXC1,
|
||||
MIPS32R2_INS_SYNC,
|
||||
MIPS32R2_INS_SYNCI,
|
||||
MIPS32R2_INS_SYSCALL,
|
||||
MIPS32R2_INS_TEQ,
|
||||
MIPS32R2_INS_TEQI,
|
||||
MIPS32R2_INS_TGE,
|
||||
MIPS32R2_INS_TGEI,
|
||||
MIPS32R2_INS_TGEIU,
|
||||
MIPS32R2_INS_TGEU,
|
||||
MIPS32R2_INS_TLBP,
|
||||
MIPS32R2_INS_TLBR,
|
||||
MIPS32R2_INS_TLBWI,
|
||||
MIPS32R2_INS_TLBWR,
|
||||
MIPS32R2_INS_TLT,
|
||||
MIPS32R2_INS_TLTI,
|
||||
MIPS32R2_INS_TLTIU,
|
||||
MIPS32R2_INS_TLTU,
|
||||
MIPS32R2_INS_TNE,
|
||||
MIPS32R2_INS_TNEI,
|
||||
MIPS32R2_INS_WAIT,
|
||||
MIPS32R2_INS_WRPGPR,
|
||||
MIPS32R2_INS_WSBH,
|
||||
MIPS32R2_INS_XOR,
|
||||
MIPS32R2_INS_XORI,
|
||||
__MIPS32R2_INS_NULL,
|
||||
};
|
||||
|
||||
// op code groups
|
||||
#define MIPS32R2_OP_SPECIAL 0b000000
|
||||
#define MIPS32R2_OP_SPECIAL2 0b011100
|
||||
#define MIPS32R2_OP_SPECIAL3 0b011111
|
||||
#define MIPS32R2_OP_REGIMM 0b000001
|
||||
#define MIPS32R2_OP_COP0 0b010000
|
||||
#define MIPS32R2_OP_COP1 0b010001
|
||||
#define MIPS32R2_OP_COP2 0b010010
|
||||
#define MIPS32R2_OP_COP1X 0b010011
|
||||
|
||||
// op codes
|
||||
#define MIPS32R2_OP_ADDI 0b001000
|
||||
#define MIPS32R2_OP_ADDIU 0b001001
|
||||
#define MIPS32R2_OP_ANDI 0b001100
|
||||
#define MIPS32R2_OP_BC 0b110010
|
||||
#define MIPS32R2_OP_BEQ 0b000100
|
||||
#define MIPS32R2_OP_BEQL 0b010100
|
||||
#define MIPS32R2_OP_BGTZ 0b000111
|
||||
#define MIPS32R2_OP_BGTZL 0b010111
|
||||
#define MIPS32R2_OP_BLEZ 0b000110
|
||||
#define MIPS32R2_OP_BLEZL 0b010110
|
||||
#define MIPS32R2_OP_BNE 0b000101
|
||||
#define MIPS32R2_OP_BNEL 0b010101
|
||||
#define MIPS32R2_OP_CACHE 0b101111
|
||||
#define MIPS32R2_OP_J 0b000010
|
||||
#define MIPS32R2_OP_JAL 0b000011
|
||||
#define MIPS32R2_OP_JALX 0b011101
|
||||
#define MIPS32R2_OP_LB 0b100000
|
||||
#define MIPS32R2_OP_LBU 0b100100
|
||||
#define MIPS32R2_OP_LDC1 0b110101
|
||||
#define MIPS32R2_OP_LDC2 0b110110
|
||||
#define MIPS32R2_OP_LH 0b100001
|
||||
#define MIPS32R2_OP_LHU 0b100101
|
||||
#define MIPS32R2_OP_LL 0b110000
|
||||
#define MIPS32R2_OP_LUI 0b001111
|
||||
#define MIPS32R2_OP_LW 0b100011
|
||||
#define MIPS32R2_OP_LWC1 0b110001
|
||||
#define MIPS32R2_OP_LWC2 0b110010
|
||||
#define MIPS32R2_OP_LWL 0b100010
|
||||
#define MIPS32R2_OP_LWR 0b100110
|
||||
#define MIPS32R2_OP_ORI 0b001101
|
||||
#define MIPS32R2_OP_PREF 0b110011
|
||||
#define MIPS32R2_OP_SB 0b101000
|
||||
#define MIPS32R2_OP_SC 0b111000
|
||||
#define MIPS32R2_OP_SDC1 0b111101
|
||||
#define MIPS32R2_OP_SDC2 0b111110
|
||||
#define MIPS32R2_OP_SH 0b101001
|
||||
#define MIPS32R2_OP_SLTI 0b001010
|
||||
#define MIPS32R2_OP_SLTIU 0b001011
|
||||
#define MIPS32R2_OP_SW 0b101011
|
||||
#define MIPS32R2_OP_SWC1 0b111001
|
||||
#define MIPS32R2_OP_SWC2 0b111010
|
||||
#define MIPS32R2_OP_SWL 0b101010
|
||||
#define MIPS32R2_OP_SWR 0b101110
|
||||
#define MIPS32R2_OP_XORI 0b001110
|
||||
|
||||
// op special
|
||||
#define MIPS32R2_FUNCT_ADD 0b100000
|
||||
#define MIPS32R2_FUNCT_ADDU 0b100001
|
||||
#define MIPS32R2_FUNCT_AND 0b100100
|
||||
#define MIPS32R2_FUNCT_BREAK 0b001101
|
||||
#define MIPS32R2_FUNCT_DIV 0b000011
|
||||
#define MIPS32R2_FUNCT_DIVU 0b011011
|
||||
#define MIPS32R2_FUNCT_JALR 0b001001
|
||||
#define MIPS32R2_FUNCT_JR 0b001000
|
||||
#define MIPS32R2_FUNCT_MFHI 0b010000
|
||||
#define MIPS32R2_FUNCT_MFLO 0b010010
|
||||
#define MIPS32R2_FUNCT_MOVCL 0b000001
|
||||
#define MIPS32R2_FUNCT_MOVN 0b001011
|
||||
#define MIPS32R2_FUNCT_MOVZ 0b001010
|
||||
#define MIPS32R2_FUNCT_MTHI 0b010001
|
||||
#define MIPS32R2_FUNCT_MTLO 0b010011
|
||||
#define MIPS32R2_FUNCT_MULT 0b011000
|
||||
#define MIPS32R2_FUNCT_MULTU 0b011001
|
||||
#define MIPS32R2_FUNCT_NOR 0b100111
|
||||
#define MIPS32R2_FUNCT_OR 0b100101
|
||||
#define MIPS32R2_FUNCT_SLL 0b000000
|
||||
#define MIPS32R2_FUNCT_SLLV 0b000100
|
||||
#define MIPS32R2_FUNCT_SLT 0b101010
|
||||
#define MIPS32R2_FUNCT_SLTU 0b101011
|
||||
#define MIPS32R2_FUNCT_SRA 0b000011
|
||||
#define MIPS32R2_FUNCT_SRAV 0b000111
|
||||
#define MIPS32R2_FUNCT_SRL 0b000010
|
||||
#define MIPS32R2_FUNCT_SRLV 0b000110
|
||||
#define MIPS32R2_FUNCT_SUB 0b100010
|
||||
#define MIPS32R2_FUNCT_SUBU 0b100011
|
||||
#define MIPS32R2_FUNCT_SYNC 0b001111
|
||||
#define MIPS32R2_FUNCT_SYSCALL 0b001100
|
||||
#define MIPS32R2_FUNCT_TEQ 0b110100
|
||||
#define MIPS32R2_FUNCT_TGE 0b110000
|
||||
#define MIPS32R2_FUNCT_TGEU 0b110001
|
||||
#define MIPS32R2_FUNCT_TLT 0b110010
|
||||
#define MIPS32R2_FUNCT_TLTU 0b110011
|
||||
#define MIPS32R2_FUNCT_TNE 0b110110
|
||||
#define MIPS32R2_FUNCT_XOR 0b100110
|
||||
|
||||
// op special2
|
||||
#define MIPS32R2_FUNCT_CLO 0b100001
|
||||
#define MIPS32R2_FUNCT_CLZ 0b100000
|
||||
#define MIPS32R2_FUNCT_MADD 0b000000
|
||||
#define MIPS32R2_FUNCT_MADDU 0b000001
|
||||
#define MIPS32R2_FUNCT_MSUB 0b000100
|
||||
#define MIPS32R2_FUNCT_MSUBU 0b000101
|
||||
#define MIPS32R2_FUNCT_MUL 0b000010
|
||||
#define MIPS32R2_FUNCT_SDBBP 0b111111
|
||||
|
||||
// op special 3
|
||||
#define MIPS32R2_FUNCT_EXT 0b000000
|
||||
#define MIPS32R2_FUNCT_INS 0b000100
|
||||
#define MIPS32R2_FUNCT_RDHWR 0b111011
|
||||
#define MIPS32R2_FUNCT_BSHFL 0b100000
|
||||
|
||||
// op bshfl
|
||||
#define MIPS32R2_FUNCT_SEB 0b10000
|
||||
#define MIPS32R2_FUNCT_SEH 0b11000
|
||||
#define MIPS32R2_FUNCT_WSBH 0b00010
|
||||
|
||||
// op regimm
|
||||
#define MIPS32R2_FUNCT_BGEZ 0b00001
|
||||
#define MIPS32R2_FUNCT_BGEZAL 0b10001
|
||||
#define MIPS32R2_FUNCT_BGEZALL 0b10011
|
||||
#define MIPS32R2_FUNCT_BGEZL 0b00011
|
||||
#define MIPS32R2_FUNCT_BLTZ 0b00000
|
||||
#define MIPS32R2_FUNCT_BLTZAL 0b10000
|
||||
#define MIPS32R2_FUNCT_BLTZALL 0b10010
|
||||
#define MIPS32R2_FUNCT_BLTZL 0b00010
|
||||
#define MIPS32R2_FUNCT_SYNCI 0b11111
|
||||
#define MIPS32R2_FUNCT_TEQI 0b01100
|
||||
#define MIPS32R2_FUNCT_TGEI 0b01000
|
||||
#define MIPS32R2_FUNCT_TGEIU 0b01001
|
||||
#define MIPS32R2_FUNCT_TLTI 0b01010
|
||||
#define MIPS32R2_FUNCT_TLTIU 0b01011
|
||||
#define MIPS32R2_FUNCT_TNEI 0b01110
|
||||
|
||||
// op cop cfunct
|
||||
#define MIPS32R2_FUNCT_BC 0b01000
|
||||
#define MIPS32R2_FUNCT_CF 0b00010
|
||||
#define MIPS32R2_FUNCT_CT 0b00110
|
||||
#define MIPS32R2_FUNCT_MF 0b00000
|
||||
#define MIPS32R2_FUNCT_MFH 0b00011
|
||||
#define MIPS32R2_FUNCT_MT 0b00100
|
||||
#define MIPS32R2_FUNCT_MTH 0b00111
|
||||
#define MIPS32R2_FUNCT_MFMC0 0b01011
|
||||
#define MIPS32R2_FUNCT_RDPGPR 0b01010
|
||||
#define MIPS32R2_FUNCT_WRPGPR 0b01110
|
||||
|
||||
// op cop funct
|
||||
#define MIPS32R2_FUNCT_DERET 0b011111
|
||||
#define MIPS32R2_FUNCT_ERET 0b011000
|
||||
#define MIPS32R2_FUNCT_TLBP 0b001000
|
||||
#define MIPS32R2_FUNCT_TLBR 0b000001
|
||||
#define MIPS32R2_FUNCT_TLBWI 0b000010
|
||||
#define MIPS32R2_FUNCT_TLBWR 0b000110
|
||||
|
||||
// op cop1x
|
||||
#define MIPS32R2_FUNCT_LDXC1 0b000001
|
||||
#define MIPS32R2_FUNCT_LUXC1 0b000101
|
||||
#define MIPS32R2_FUNCT_LWXC1 0b000000
|
||||
#define MIPS32R2_FUNCT_PREFX 0b001111
|
||||
#define MIPS32R2_FUNCT_SDXC1 0b001001
|
||||
#define MIPS32R2_FUNCT_SUXC1 0b001101
|
||||
#define MIPS32R2_FUNCT_SWXC1 0b001000
|
||||
#define MIPS32R2_FUNCT_WAIT 0b100000
|
||||
|
||||
#define __MIPS32R2_INS_LEN (__MIPS32R2_INS_NULL)
|
||||
#define __MIPS32R2_PSEUDO_LEN (38)
|
||||
#define __MIPS32R2_GRAMMER_LEN (__MIPS32R2_INS_LEN + __MIPS32R2_PSEUDO_LEN)
|
||||
|
||||
extern struct mips32_grammer mips32r2_grammers[__MIPS32R2_GRAMMER_LEN];
|
||||
extern union mips32_instruction mips32r2_instructions[__MIPS32R2_INS_LEN];
|
||||
|
||||
#endif /* __MIPS32R2_H__ */
|
||||
|
|
@ -5,98 +5,7 @@
|
|||
|
||||
#include <mlimits.h>
|
||||
#include <stdint.h>
|
||||
#include <mips.h>
|
||||
|
||||
// TODO:
|
||||
// balc
|
||||
|
||||
// TODO: [add]
|
||||
// align
|
||||
// aluipc
|
||||
// aui
|
||||
// auipc
|
||||
// bal real ins
|
||||
// balc
|
||||
// bc
|
||||
// bc1eqz
|
||||
// bc1nez
|
||||
// bc2eqz
|
||||
// bc2nez
|
||||
// b{le,ge,gt,lt,eq,ne}ZALC
|
||||
// b<cond>c
|
||||
// bitswap
|
||||
// bovc
|
||||
// bnvc
|
||||
// crc32{b,h,w}
|
||||
// c2c32c{b,h,w}
|
||||
// div, mod, divu, modu
|
||||
// dvp
|
||||
// eretnc
|
||||
// evp
|
||||
// gnvi
|
||||
// ginvt
|
||||
// jialc
|
||||
// jic
|
||||
// jr assembly idiom
|
||||
// llwp
|
||||
// llwpe
|
||||
// lsa
|
||||
// lwpc
|
||||
// mfhc0
|
||||
// mthc0
|
||||
// mul muh mulu muhu
|
||||
// nal
|
||||
// scwp
|
||||
// scwpe
|
||||
// seleqz selnez
|
||||
// sigrie
|
||||
|
||||
// TODO: [remove]
|
||||
// bc1f
|
||||
// bc1fl
|
||||
// bc1tl
|
||||
// bc1tl
|
||||
// bc2f
|
||||
// bc2fl
|
||||
// bc2t
|
||||
// bc2tl
|
||||
// all branch likely
|
||||
// div
|
||||
// divu
|
||||
// jr
|
||||
// ldxc1
|
||||
// lui
|
||||
// luxc1
|
||||
// lwl
|
||||
// lwr
|
||||
// lwxc1
|
||||
// madd
|
||||
// maddu
|
||||
// mfhi
|
||||
// mflo
|
||||
// movf
|
||||
// movn
|
||||
// movt
|
||||
// movz
|
||||
// msub
|
||||
// msubu
|
||||
// mthi
|
||||
// mtlo
|
||||
// mul
|
||||
// mult
|
||||
// multu
|
||||
// prefx
|
||||
// sdxc1
|
||||
// suxc1
|
||||
// swl
|
||||
// swr
|
||||
// swxc1
|
||||
// teqi
|
||||
// tgei
|
||||
// tgeiu
|
||||
// tlti
|
||||
// tltiu
|
||||
// tnei
|
||||
#include <mips32.h>
|
||||
|
||||
/* mips instructions */
|
||||
enum mips32r6_instruction_type {
|
||||
|
|
@ -106,110 +15,39 @@ enum mips32r6_instruction_type {
|
|||
MIPS32R6_INS_ADDU,
|
||||
MIPS32R6_INS_AND,
|
||||
MIPS32R6_INS_ANDI,
|
||||
MIPS32R6_INS_BC1F,
|
||||
MIPS32R6_INS_BC1FL,
|
||||
MIPS32R6_INS_BC1T,
|
||||
MIPS32R6_INS_BC1TL,
|
||||
MIPS32R6_INS_BC2F,
|
||||
MIPS32R6_INS_BC2FL,
|
||||
MIPS32R6_INS_BC2T,
|
||||
MIPS32R6_INS_BC2TL,
|
||||
MIPS32R6_INS_BAL,
|
||||
MIPS32R6_INS_BALC,
|
||||
MIPS32R6_INS_BC,
|
||||
MIPS32R6_INS_BEQ,
|
||||
MIPS32R6_INS_BEQL,
|
||||
MIPS32R6_INS_BGEZ,
|
||||
MIPS32R6_INS_BGEZAL,
|
||||
MIPS32R6_INS_BGEZALL,
|
||||
MIPS32R6_INS_BGEZL,
|
||||
MIPS32R6_INS_BGTZ,
|
||||
MIPS32R6_INS_BGTZL,
|
||||
MIPS32R6_INS_BLEZ,
|
||||
MIPS32R6_INS_BLEZL,
|
||||
MIPS32R6_INS_BLTZ,
|
||||
MIPS32R6_INS_BLTZAL,
|
||||
MIPS32R6_INS_BLTZALL,
|
||||
MIPS32R6_INS_BLTZL,
|
||||
MIPS32R6_INS_BNE,
|
||||
MIPS32R6_INS_BNEL,
|
||||
MIPS32R6_INS_BREAK,
|
||||
MIPS32R6_INS_CACHE,
|
||||
MIPS32R6_INS_CFC1,
|
||||
MIPS32R6_INS_CFC2,
|
||||
MIPS32R6_INS_CLO,
|
||||
MIPS32R6_INS_CLZ,
|
||||
MIPS32R6_INS_COP2,
|
||||
MIPS32R6_INS_CTC1,
|
||||
MIPS32R6_INS_CTC2,
|
||||
MIPS32R6_INS_DERET,
|
||||
MIPS32R6_INS_DI,
|
||||
MIPS32R6_INS_DIV,
|
||||
MIPS32R6_INS_MOD,
|
||||
MIPS32R6_INS_DIVU,
|
||||
MIPS32R6_INS_EI,
|
||||
MIPS32R6_INS_ERET,
|
||||
MIPS32R6_INS_EXT,
|
||||
MIPS32R6_INS_INS,
|
||||
MIPS32R6_INS_MODU,
|
||||
MIPS32R6_INS_J,
|
||||
MIPS32R6_INS_JAL,
|
||||
MIPS32R6_INS_JALR,
|
||||
MIPS32R6_INS_JALX,
|
||||
MIPS32R6_INS_JR,
|
||||
MIPS32R6_INS_LB,
|
||||
MIPS32R6_INS_LBU,
|
||||
MIPS32R6_INS_LDC1,
|
||||
MIPS32R6_INS_LDC2,
|
||||
MIPS32R6_INS_LDXC1,
|
||||
MIPS32R6_INS_LH,
|
||||
MIPS32R6_INS_LHU,
|
||||
MIPS32R6_INS_LL,
|
||||
MIPS32R6_INS_LUI,
|
||||
MIPS32R6_INS_LUXC1,
|
||||
MIPS32R6_INS_LW,
|
||||
MIPS32R6_INS_LWC1,
|
||||
MIPS32R6_INS_LWC2,
|
||||
MIPS32R6_INS_LWL,
|
||||
MIPS32R6_INS_LWR,
|
||||
MIPS32R6_INS_LWXC1,
|
||||
MIPS32R6_INS_MADD,
|
||||
MIPS32R6_INS_MADDU,
|
||||
MIPS32R6_INS_MFC0,
|
||||
MIPS32R6_INS_MFC1,
|
||||
MIPS32R6_INS_MFC2,
|
||||
MIPS32R6_INS_MFHC1,
|
||||
MIPS32R6_INS_MFHC2,
|
||||
MIPS32R6_INS_MFHI,
|
||||
MIPS32R6_INS_MFLO,
|
||||
MIPS32R6_INS_MOVF,
|
||||
MIPS32R6_INS_MOVN,
|
||||
MIPS32R6_INS_MOVT,
|
||||
MIPS32R6_INS_MOVZ,
|
||||
MIPS32R6_INS_MSUB,
|
||||
MIPS32R6_INS_MSUBU,
|
||||
MIPS32R6_INS_MTC0,
|
||||
MIPS32R6_INS_MTC1,
|
||||
MIPS32R6_INS_MTC2,
|
||||
MIPS32R6_INS_MTHC1,
|
||||
MIPS32R6_INS_MTHC2,
|
||||
MIPS32R6_INS_MTHI,
|
||||
MIPS32R6_INS_MTLO,
|
||||
MIPS32R6_INS_MUL,
|
||||
MIPS32R6_INS_MULT,
|
||||
MIPS32R6_INS_MULTU,
|
||||
MIPS32R6_INS_NOR,
|
||||
MIPS32R6_INS_OR,
|
||||
MIPS32R6_INS_ORI,
|
||||
MIPS32R6_INS_PREF,
|
||||
MIPS32R6_INS_PREFX,
|
||||
MIPS32R6_INS_RDHWR,
|
||||
MIPS32R6_INS_RDPGPR,
|
||||
MIPS32R6_INS_ROTR,
|
||||
MIPS32R6_INS_ROTRV,
|
||||
MIPS32R6_INS_MUH,
|
||||
MIPS32R6_INS_MULU,
|
||||
MIPS32R6_INS_MUHU,
|
||||
MIPS32R6_INS_SB,
|
||||
MIPS32R6_INS_SC,
|
||||
MIPS32R6_INS_SDBBP,
|
||||
MIPS32R6_INS_SDC1,
|
||||
MIPS32R6_INS_SDC2,
|
||||
MIPS32R6_INS_SDXC1,
|
||||
MIPS32R6_INS_SEB,
|
||||
MIPS32R6_INS_SEH,
|
||||
MIPS32R6_INS_SH,
|
||||
MIPS32R6_INS_SW,
|
||||
MIPS32R6_INS_SLL,
|
||||
MIPS32R6_INS_SLLV,
|
||||
MIPS32R6_INS_SLT,
|
||||
|
|
@ -222,54 +60,21 @@ enum mips32r6_instruction_type {
|
|||
MIPS32R6_INS_SRLV,
|
||||
MIPS32R6_INS_SUB,
|
||||
MIPS32R6_INS_SUBU,
|
||||
MIPS32R6_INS_SUXC1,
|
||||
MIPS32R6_INS_SW,
|
||||
MIPS32R6_INS_SWC1,
|
||||
MIPS32R6_INS_SWC2,
|
||||
MIPS32R6_INS_SWL,
|
||||
MIPS32R6_INS_SWR,
|
||||
MIPS32R6_INS_SWXC1,
|
||||
MIPS32R6_INS_SYNC,
|
||||
MIPS32R6_INS_SYNCI,
|
||||
MIPS32R6_INS_SYSCALL,
|
||||
MIPS32R6_INS_TEQ,
|
||||
MIPS32R6_INS_TEQI,
|
||||
MIPS32R6_INS_TGE,
|
||||
MIPS32R6_INS_TGEI,
|
||||
MIPS32R6_INS_TGEIU,
|
||||
MIPS32R6_INS_TGEU,
|
||||
MIPS32R6_INS_TLBP,
|
||||
MIPS32R6_INS_TLBR,
|
||||
MIPS32R6_INS_TLBWI,
|
||||
MIPS32R6_INS_TLBWR,
|
||||
MIPS32R6_INS_TLT,
|
||||
MIPS32R6_INS_TLTI,
|
||||
MIPS32R6_INS_TLTIU,
|
||||
MIPS32R6_INS_TLTU,
|
||||
MIPS32R6_INS_TNE,
|
||||
MIPS32R6_INS_TNEI,
|
||||
MIPS32R6_INS_WAIT,
|
||||
MIPS32R6_INS_WRPGPR,
|
||||
MIPS32R6_INS_WSBH,
|
||||
MIPS32R6_INS_OR,
|
||||
MIPS32R6_INS_ORI,
|
||||
MIPS32R6_INS_NOR,
|
||||
MIPS32R6_INS_XOR,
|
||||
MIPS32R6_INS_XORI,
|
||||
__MIPS32R6_INS_NULL,
|
||||
};
|
||||
|
||||
// op code groups
|
||||
#define MIPS32R6_OP_SPECIAL 0b000000
|
||||
#define MIPS32R6_OP_SPECIAL2 0b011100
|
||||
#define MIPS32R6_OP_SPECIAL3 0b011111
|
||||
#define MIPS32R6_OP_REGIMM 0b000001
|
||||
#define MIPS32R6_OP_COP0 0b010000
|
||||
#define MIPS32R6_OP_COP1 0b010001
|
||||
#define MIPS32R6_OP_COP2 0b010010
|
||||
#define MIPS32R6_OP_COP1X 0b010011
|
||||
|
||||
// op codes
|
||||
#define MIPS32R6_OP_ADDI 0b001000
|
||||
#define MIPS32R6_OP_ADDIU 0b001001
|
||||
#define MIPS32R6_OP_ANDI 0b001100
|
||||
#define MIPS32R6_OP_REGIMM 0b000001
|
||||
#define MIPS32R6_OP_BALC 0b111010
|
||||
#define MIPS32R6_OP_BC 0b110010
|
||||
#define MIPS32R6_OP_BEQ 0b000100
|
||||
#define MIPS32R6_OP_BEQL 0b010100
|
||||
|
|
@ -279,59 +84,36 @@ enum mips32r6_instruction_type {
|
|||
#define MIPS32R6_OP_BLEZL 0b010110
|
||||
#define MIPS32R6_OP_BNE 0b000101
|
||||
#define MIPS32R6_OP_BNEL 0b010101
|
||||
#define MIPS32R6_OP_CACHE 0b101111
|
||||
#define MIPS32R6_OP_J 0b000010
|
||||
#define MIPS32R6_OP_JAL 0b000011
|
||||
#define MIPS32R6_OP_JALX 0b011101
|
||||
#define MIPS32R6_OP_LB 0b100000
|
||||
#define MIPS32R6_OP_LBU 0b100100
|
||||
#define MIPS32R6_OP_LDC1 0b110101
|
||||
#define MIPS32R6_OP_LDC2 0b110110
|
||||
#define MIPS32R6_OP_LH 0b100001
|
||||
#define MIPS32R6_OP_LHU 0b100101
|
||||
#define MIPS32R6_OP_LL 0b110000
|
||||
#define MIPS32R6_OP_LUI 0b001111
|
||||
#define MIPS32R6_OP_LW 0b100011
|
||||
#define MIPS32R6_OP_LWC1 0b110001
|
||||
#define MIPS32R6_OP_LWC2 0b110010
|
||||
#define MIPS32R6_OP_LWL 0b100010
|
||||
#define MIPS32R6_OP_LWR 0b100110
|
||||
#define MIPS32R6_OP_ORI 0b001101
|
||||
#define MIPS32R6_OP_PREF 0b110011
|
||||
#define MIPS32R6_OP_SB 0b101000
|
||||
#define MIPS32R6_OP_SC 0b111000
|
||||
#define MIPS32R6_OP_SDC1 0b111101
|
||||
#define MIPS32R6_OP_SDC2 0b111110
|
||||
#define MIPS32R6_OP_SH 0b101001
|
||||
#define MIPS32R6_OP_SW 0b101011
|
||||
#define MIPS32R6_OP_SLTI 0b001010
|
||||
#define MIPS32R6_OP_SLTIU 0b001011
|
||||
#define MIPS32R6_OP_SW 0b101011
|
||||
#define MIPS32R6_OP_SWC1 0b111001
|
||||
#define MIPS32R6_OP_SWC2 0b111010
|
||||
#define MIPS32R6_OP_SWL 0b101010
|
||||
#define MIPS32R6_OP_SWR 0b101110
|
||||
#define MIPS32R6_OP_ORI 0b001101
|
||||
#define MIPS32R6_OP_XORI 0b001110
|
||||
|
||||
// op special
|
||||
#define MIPS32R6_FUNCT_ADD 0b100000
|
||||
#define MIPS32R6_FUNCT_ADDU 0b100001
|
||||
#define MIPS32R6_FUNCT_AND 0b100100
|
||||
#define MIPS32R6_FUNCT_BREAK 0b001101
|
||||
#define MIPS32R6_FUNCT_DIV 0b000011
|
||||
#define MIPS32R6_FUNCT_DIVU 0b011011
|
||||
#define MIPS32R6_FUNCT_SOP32 0b011010
|
||||
#define MIPS32R6_FUNCT_SOP33 0b011011
|
||||
#define MIPS32R6_FUNCT_JALR 0b001001
|
||||
#define MIPS32R6_FUNCT_JR 0b001000
|
||||
#define MIPS32R6_FUNCT_MFHI 0b010000
|
||||
#define MIPS32R6_FUNCT_MFLO 0b010010
|
||||
#define MIPS32R6_FUNCT_MOVCL 0b000001
|
||||
#define MIPS32R6_FUNCT_MOVN 0b001011
|
||||
#define MIPS32R6_FUNCT_MOVZ 0b001010
|
||||
#define MIPS32R6_FUNCT_MTHI 0b010001
|
||||
#define MIPS32R6_FUNCT_MTLO 0b010011
|
||||
#define MIPS32R6_FUNCT_MULT 0b011000
|
||||
#define MIPS32R6_FUNCT_MULTU 0b011001
|
||||
#define MIPS32R6_FUNCT_NOR 0b100111
|
||||
#define MIPS32R6_FUNCT_OR 0b100101
|
||||
#define MIPS32R6_FUNCT_SOP30 0b011000
|
||||
#define MIPS32R6_FUNCT_SOP31 0b011001
|
||||
#define MIPS32R6_FUNCT_SLL 0b000000
|
||||
#define MIPS32R6_FUNCT_SLLV 0b000100
|
||||
#define MIPS32R6_FUNCT_SLT 0b101010
|
||||
|
|
@ -342,38 +124,12 @@ enum mips32r6_instruction_type {
|
|||
#define MIPS32R6_FUNCT_SRLV 0b000110
|
||||
#define MIPS32R6_FUNCT_SUB 0b100010
|
||||
#define MIPS32R6_FUNCT_SUBU 0b100011
|
||||
#define MIPS32R6_FUNCT_SYNC 0b001111
|
||||
#define MIPS32R6_FUNCT_SYSCALL 0b001100
|
||||
#define MIPS32R6_FUNCT_TEQ 0b110100
|
||||
#define MIPS32R6_FUNCT_TGE 0b110000
|
||||
#define MIPS32R6_FUNCT_TGEU 0b110001
|
||||
#define MIPS32R6_FUNCT_TLT 0b110010
|
||||
#define MIPS32R6_FUNCT_TLTU 0b110011
|
||||
#define MIPS32R6_FUNCT_TNE 0b110110
|
||||
#define MIPS32R6_FUNCT_OR 0b100101
|
||||
#define MIPS32R6_FUNCT_NOR 0b100111
|
||||
#define MIPS32R6_FUNCT_XOR 0b100110
|
||||
|
||||
// op special2
|
||||
#define MIPS32R6_FUNCT_CLO 0b100001
|
||||
#define MIPS32R6_FUNCT_CLZ 0b100000
|
||||
#define MIPS32R6_FUNCT_MADD 0b000000
|
||||
#define MIPS32R6_FUNCT_MADDU 0b000001
|
||||
#define MIPS32R6_FUNCT_MSUB 0b000100
|
||||
#define MIPS32R6_FUNCT_MSUBU 0b000101
|
||||
#define MIPS32R6_FUNCT_MUL 0b000010
|
||||
#define MIPS32R6_FUNCT_SDBBP 0b111111
|
||||
|
||||
// op special 3
|
||||
#define MIPS32R6_FUNCT_EXT 0b000000
|
||||
#define MIPS32R6_FUNCT_INS 0b000100
|
||||
#define MIPS32R6_FUNCT_RDHWR 0b111011
|
||||
#define MIPS32R6_FUNCT_BSHFL 0b100000
|
||||
|
||||
// op bshfl
|
||||
#define MIPS32R6_FUNCT_SEB 0b10000
|
||||
#define MIPS32R6_FUNCT_SEH 0b11000
|
||||
#define MIPS32R6_FUNCT_WSBH 0b00010
|
||||
|
||||
// op regimm
|
||||
#define MIPS32R6_FUNCT_BAL 0b10001
|
||||
#define MIPS32R6_FUNCT_BGEZ 0b00001
|
||||
#define MIPS32R6_FUNCT_BGEZAL 0b10001
|
||||
#define MIPS32R6_FUNCT_BGEZALL 0b10011
|
||||
|
|
@ -382,46 +138,18 @@ enum mips32r6_instruction_type {
|
|||
#define MIPS32R6_FUNCT_BLTZAL 0b10000
|
||||
#define MIPS32R6_FUNCT_BLTZALL 0b10010
|
||||
#define MIPS32R6_FUNCT_BLTZL 0b00010
|
||||
#define MIPS32R6_FUNCT_SYNCI 0b11111
|
||||
#define MIPS32R6_FUNCT_TEQI 0b01100
|
||||
#define MIPS32R6_FUNCT_TGEI 0b01000
|
||||
#define MIPS32R6_FUNCT_TGEIU 0b01001
|
||||
#define MIPS32R6_FUNCT_TLTI 0b01010
|
||||
#define MIPS32R6_FUNCT_TLTIU 0b01011
|
||||
#define MIPS32R6_FUNCT_TNEI 0b01110
|
||||
|
||||
// op cop cfunct
|
||||
#define MIPS32R6_FUNCT_BC 0b01000
|
||||
#define MIPS32R6_FUNCT_CF 0b00010
|
||||
#define MIPS32R6_FUNCT_CT 0b00110
|
||||
#define MIPS32R6_FUNCT_MF 0b00000
|
||||
#define MIPS32R6_FUNCT_MFH 0b00011
|
||||
#define MIPS32R6_FUNCT_MT 0b00100
|
||||
#define MIPS32R6_FUNCT_MTH 0b00111
|
||||
#define MIPS32R6_FUNCT_MFMC0 0b01011
|
||||
#define MIPS32R6_FUNCT_RDPGPR 0b01010
|
||||
#define MIPS32R6_FUNCT_WRPGPR 0b01110
|
||||
|
||||
// op cop funct
|
||||
#define MIPS32R6_FUNCT_DERET 0b011111
|
||||
#define MIPS32R6_FUNCT_ERET 0b011000
|
||||
#define MIPS32R6_FUNCT_TLBP 0b001000
|
||||
#define MIPS32R6_FUNCT_TLBR 0b000001
|
||||
#define MIPS32R6_FUNCT_TLBWI 0b000010
|
||||
#define MIPS32R6_FUNCT_TLBWR 0b000110
|
||||
|
||||
// op cop1x
|
||||
#define MIPS32R6_FUNCT_LDXC1 0b000001
|
||||
#define MIPS32R6_FUNCT_LUXC1 0b000101
|
||||
#define MIPS32R6_FUNCT_LWXC1 0b000000
|
||||
#define MIPS32R6_FUNCT_PREFX 0b001111
|
||||
#define MIPS32R6_FUNCT_SDXC1 0b001001
|
||||
#define MIPS32R6_FUNCT_SUXC1 0b001101
|
||||
#define MIPS32R6_FUNCT_SWXC1 0b001000
|
||||
#define MIPS32R6_FUNCT_WAIT 0b100000
|
||||
#define MIPS32R6_SOP30_MUL 0b00010
|
||||
#define MIPS32R6_SOP30_MUH 0b00011
|
||||
#define MIPS32R6_SOP31_MULU 0b00010
|
||||
#define MIPS32R6_SOP31_MUHU 0b00011
|
||||
#define MIPS32R6_SOP32_DIV 0b00010
|
||||
#define MIPS32R6_SOP32_MOD 0b00011
|
||||
#define MIPS32R6_SOP33_DIVU 0b00010
|
||||
#define MIPS32R6_SOP33_MODU 0b00011
|
||||
|
||||
#define __MIPS32R6_INS_LEN (__MIPS32R6_INS_NULL)
|
||||
#define __MIPS32R6_PSEUDO_LEN (38)
|
||||
#define __MIPS32R6_PSEUDO_LEN (4)
|
||||
#define __MIPS32R6_GRAMMER_LEN (__MIPS32R6_INS_LEN + __MIPS32R6_PSEUDO_LEN)
|
||||
|
||||
extern struct mips32_grammer mips32r6_grammers[__MIPS32R6_GRAMMER_LEN];
|
||||
|
|
|
|||
|
|
@ -25,9 +25,6 @@ void __log_impl_pos(int line, int column, int type, const char *format, ...)
|
|||
case __ERROR:
|
||||
t = "\033[31merror:\033[0m";
|
||||
break;
|
||||
case __BUG:
|
||||
t = "\033[31bug:\033[0m";
|
||||
break;
|
||||
}
|
||||
|
||||
if (current_file != NULL)
|
||||
|
|
@ -58,9 +55,6 @@ void __log_impl(int type, const char *format, ...)
|
|||
case __ERROR:
|
||||
t = "\033[31merror:\033[0m";
|
||||
break;
|
||||
case __BUG:
|
||||
t = "\033[31bug:\033[0m";
|
||||
break;
|
||||
}
|
||||
|
||||
if (current_file != NULL)
|
||||
|
|
|
|||
571
lib/mips1.c
571
lib/mips1.c
|
|
@ -1,571 +0,0 @@
|
|||
#include <mips1.h>
|
||||
|
||||
#define RTYPE "rd,rs,rt"
|
||||
#define ITYPE "rt,rs,immd"
|
||||
#define JTYPE "target"
|
||||
#define LOAD "rt,offset(base)"
|
||||
#define SHIFT "rd,rt,sa"
|
||||
#define SHIFTV "rd,rt,rs"
|
||||
#define BRANCH "rs,rt,offset"
|
||||
#define BRANCHZ "rs,offset"
|
||||
#define TRAP "rs,rt"
|
||||
#define TRAPI "rs,immd"
|
||||
|
||||
#define INS(name, grammer) {#name, grammer, MIPS1_INS_ ##name, \
|
||||
/* pseudo stub */ 0, {{0, ""}}}
|
||||
|
||||
#define PSEUDO(name, grammer, ...) {name, grammer, __MIPS1_INS_NULL, \
|
||||
__VA_ARGS__ }
|
||||
|
||||
struct mips32_grammer mips1_grammers[__MIPS1_GRAMMER_LEN] = {
|
||||
|
||||
// real instructions
|
||||
|
||||
INS(ADD, RTYPE),
|
||||
INS(ADDI, ITYPE),
|
||||
INS(ADDIU, ITYPE),
|
||||
INS(ADDU, RTYPE),
|
||||
INS(AND, RTYPE),
|
||||
INS(ANDI, ITYPE),
|
||||
INS(BC1F, "cc,offset"),
|
||||
INS(BC1T, "cc,offset"),
|
||||
INS(BEQ, BRANCH),
|
||||
INS(BGEZ, BRANCHZ),
|
||||
INS(BGEZAL, BRANCHZ),
|
||||
INS(BGTZ, BRANCHZ),
|
||||
INS(BLEZ, BRANCHZ),
|
||||
INS(BLTZAL, BRANCHZ),
|
||||
INS(BLTZ, BRANCHZ),
|
||||
INS(BNE, BRANCHZ),
|
||||
INS(BREAK, "code"),
|
||||
INS(CLO, "rd,rs"),
|
||||
INS(CLZ, "rd,rs"),
|
||||
INS(DIV, "rs,rt"),
|
||||
INS(DIVU, "rs,rt"),
|
||||
INS(ERET, ""),
|
||||
INS(J, JTYPE),
|
||||
INS(JAL, JTYPE),
|
||||
INS(JALR, "rs"),
|
||||
INS(JR, "rs"),
|
||||
INS(LB, LOAD),
|
||||
INS(LBU, LOAD),
|
||||
INS(LH, LOAD),
|
||||
INS(LHU, LOAD),
|
||||
INS(LL, LOAD),
|
||||
INS(LUI, "rt,immd"),
|
||||
INS(LW, LOAD),
|
||||
INS(LWC1, "ft,base(offset)"),
|
||||
INS(LWL, LOAD),
|
||||
INS(LWR, LOAD),
|
||||
INS(MADD, "rs,rt"),
|
||||
INS(MADDU, "rs,rt"),
|
||||
INS(MFC0, "rt,rd"),
|
||||
INS(MFC1, "rt,fs"),
|
||||
INS(MFHI, "rd"),
|
||||
INS(MFLO, "rd"),
|
||||
INS(MOVN, RTYPE),
|
||||
INS(MOVZ, RTYPE),
|
||||
INS(MSUB, "rs,rt"),
|
||||
INS(MSUBU, "rs,rt"),
|
||||
INS(MTC0, "rd,rt"),
|
||||
INS(MTC1, "rd,fs"),
|
||||
INS(MTHI, "rs"),
|
||||
INS(MTLO, "rs"),
|
||||
INS(MUL, RTYPE),
|
||||
INS(MULT, "rs,rt"),
|
||||
INS(MULTU, "rs,rt"),
|
||||
INS(NOR, "rs,rt"),
|
||||
INS(OR, RTYPE),
|
||||
INS(ORI, ITYPE),
|
||||
INS(SB, LOAD),
|
||||
INS(SC, LOAD),
|
||||
INS(SDC1, "ft,base(offset)"),
|
||||
INS(SH, LOAD),
|
||||
INS(SLL, SHIFT),
|
||||
INS(SLLV, SHIFTV),
|
||||
INS(SLT, RTYPE),
|
||||
INS(SLTI, ITYPE),
|
||||
INS(SLTIU, ITYPE),
|
||||
INS(SLTU, RTYPE),
|
||||
INS(SRA, SHIFT),
|
||||
INS(SRAV, SHIFTV),
|
||||
INS(SRL, SHIFT),
|
||||
INS(SRLV, SHIFTV),
|
||||
INS(SUB, RTYPE),
|
||||
INS(SUBU, RTYPE),
|
||||
INS(SW, LOAD),
|
||||
INS(SWC1, "ft,base(offset)"),
|
||||
INS(SWL, LOAD),
|
||||
INS(SWR, LOAD),
|
||||
INS(SYSCALL, ""),
|
||||
INS(TEQ, TRAP),
|
||||
INS(TEQI, TRAPI),
|
||||
INS(TGE, TRAP),
|
||||
INS(TGEI, TRAPI),
|
||||
INS(TGEIU, TRAPI),
|
||||
INS(TGEU, TRAP),
|
||||
INS(TLT, TRAP),
|
||||
INS(TLTI, TRAPI),
|
||||
INS(TLTIU, TRAPI),
|
||||
INS(TLTU, TRAP),
|
||||
INS(TNE, TRAP),
|
||||
INS(TNEI, TRAPI),
|
||||
INS(XOR, RTYPE),
|
||||
INS(XORI, ITYPE),
|
||||
|
||||
// pseudo instructions
|
||||
|
||||
PSEUDO("abs", "rd,rs", 3, {
|
||||
{MIPS1_INS_SRA, "rd=$at,rt=rs,sa=31"},
|
||||
{MIPS1_INS_ADD, "rd,rs,rt=$at"},
|
||||
{MIPS1_INS_XOR, "rd,rs=rd,rt=$at"},
|
||||
}),
|
||||
|
||||
PSEUDO("div", "rd,rt,rs", 2, {
|
||||
{MIPS1_INS_DIV, "rt,rs"},
|
||||
{MIPS1_INS_MFLO, "rd"},
|
||||
}),
|
||||
|
||||
PSEUDO("divu", "rd,rt,rs", 2, {
|
||||
{MIPS1_INS_DIVU, "rt,rs"},
|
||||
{MIPS1_INS_MFLO, "rd"},
|
||||
}),
|
||||
|
||||
PSEUDO("mulo", "rd,rt,rs", 2, {
|
||||
{MIPS1_INS_MULT, "rt,rs"},
|
||||
{MIPS1_INS_MFLO, "rd"},
|
||||
}),
|
||||
|
||||
PSEUDO("mulou", "rd,rt,rs", 2, {
|
||||
{MIPS1_INS_MULTU, "rt,rs"},
|
||||
{MIPS1_INS_MFLO, "rd"},
|
||||
}),
|
||||
|
||||
PSEUDO("neg", "rd,rt", 1, {
|
||||
{MIPS1_INS_SUB, "rd,rs=$zero,rt"},
|
||||
}),
|
||||
|
||||
PSEUDO("negu", "rd,rt", 1, {
|
||||
{MIPS1_INS_SUBU, "rd,rs=$zero,rt"},
|
||||
}),
|
||||
|
||||
PSEUDO("not", "rd,rt", 1, {
|
||||
{MIPS1_INS_NOR, "rd,rs=$zero,rt"},
|
||||
}),
|
||||
|
||||
PSEUDO("rem", "rd,rt,rs", 2, {
|
||||
{MIPS1_INS_DIV, "rt,rs"},
|
||||
{MIPS1_INS_MFHI, "rd"},
|
||||
}),
|
||||
|
||||
PSEUDO("remu", "rd,rt,rs", 2, {
|
||||
{MIPS1_INS_DIVU, "rt,rs"},
|
||||
{MIPS1_INS_MFHI, "rd"},
|
||||
}),
|
||||
|
||||
// TODO: rol
|
||||
|
||||
// TODO: ror
|
||||
|
||||
PSEUDO("subi", "rt,rs,immd", 1, {
|
||||
{MIPS1_INS_ADDI, "rt,rs,-immd"},
|
||||
}),
|
||||
|
||||
PSEUDO("li", "rt,immd", 1, {
|
||||
{MIPS1_INS_ADDI, "rt,immd"}
|
||||
}),
|
||||
|
||||
PSEUDO("seq", "rd,rs,rt", 3, {
|
||||
{MIPS1_INS_SLT, "rd,rs,rt"},
|
||||
{MIPS1_INS_SLT, "rd=$at,rs,rt"},
|
||||
{MIPS1_INS_NOR, "rd,rs=rd,rt=$at"},
|
||||
}),
|
||||
|
||||
PSEUDO("sgt", "rd,rs,rt", 1, {
|
||||
{MIPS1_INS_SLT, "rd,rs=rt,rt=rs"},
|
||||
}),
|
||||
|
||||
PSEUDO("sgtu", "rd,rs,rt", 1, {
|
||||
{MIPS1_INS_SLTU, "rd,rs=rt,rt=rs"},
|
||||
}),
|
||||
|
||||
PSEUDO("sge", "rd,rs,rt", 2, {
|
||||
{MIPS1_INS_SLT, "rd,rs,rt"},
|
||||
{MIPS1_INS_SLTI, "rt=rd,rs=rd,immd=1"},
|
||||
}),
|
||||
|
||||
PSEUDO("sgeu", "rd,rs,rt", 2, {
|
||||
{MIPS1_INS_SLTU, "rd,rs,rt"},
|
||||
{MIPS1_INS_SLTI, "rt=rd,rs=rd,immd=1"},
|
||||
}),
|
||||
|
||||
PSEUDO("slte", "rd,rs,rt", 2, {
|
||||
{MIPS1_INS_SLT, "rd,rs=rt,rt=rs"},
|
||||
{MIPS1_INS_SLTI, "rt=rd,rs=rd,immd=1"},
|
||||
}),
|
||||
|
||||
PSEUDO("slteu", "rd,rs,rt", 2, {
|
||||
{MIPS1_INS_SLTU, "rd,rs=rt,rt=rs"},
|
||||
{MIPS1_INS_SLTI, "rt=rd,rs=rd,immd=1"},
|
||||
}),
|
||||
|
||||
PSEUDO("sne", "rd,rs,rt", 3, {
|
||||
{MIPS1_INS_SLT, "rd,rs,rt"},
|
||||
{MIPS1_INS_SLT, "rd=$at,rs,rt"},
|
||||
{MIPS1_INS_OR, "rd,rs=rd,rt=$at"},
|
||||
}),
|
||||
|
||||
PSEUDO("b", "offset", 1, {
|
||||
{MIPS1_INS_BEQ, "rs=$zero,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("beqz", "rs,offset", 1, {
|
||||
{MIPS1_INS_BEQ, "rs,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bge", "rs,rt,offset", 2, {
|
||||
{MIPS1_INS_SLT, "rd=$at,rs,rt"},
|
||||
{MIPS1_INS_BNE, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bgeu", "rs,rt,offset", 2, {
|
||||
{MIPS1_INS_SLTU, "rd=$at,rs,rt"},
|
||||
{MIPS1_INS_BNE, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bge", "rs,rt,offset", 2, {
|
||||
{MIPS1_INS_SLT, "rd=$at,rs,rt"},
|
||||
{MIPS1_INS_BEQ, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bgeu", "rs,rt,offset", 2, {
|
||||
{MIPS1_INS_SLTU, "rd=$at,rs,rt"},
|
||||
{MIPS1_INS_BEQ, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("ble", "rs,rt,offset", 2, {
|
||||
{MIPS1_INS_SLT, "rd=$at,rs=rt,rt=rs"},
|
||||
{MIPS1_INS_BEQ, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bleu", "rs,rt,offset", 2, {
|
||||
{MIPS1_INS_SLT, "rd=$at,rs=rt,rt=rs"},
|
||||
{MIPS1_INS_BEQ, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("blt", "rs,rt,offset", 2, {
|
||||
{MIPS1_INS_SLT, "rd=$at,rs,rt"},
|
||||
{MIPS1_INS_BNE, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bltu", "rs,rt,offset", 2, {
|
||||
{MIPS1_INS_SLTU, "rd=$at,rs,rt"},
|
||||
{MIPS1_INS_BNE, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bnez", "rs,offset", 1, {
|
||||
{MIPS1_INS_BNE, "rs,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
// TODO: ld
|
||||
|
||||
// TODO: load unaligned
|
||||
|
||||
// TODO: store unaligned
|
||||
|
||||
PSEUDO("la", "rt,target", 2, {
|
||||
{MIPS1_INS_LUI, "rt=$at,hi"},
|
||||
{MIPS1_INS_ORI, "rt,rs=$at,lo"},
|
||||
}),
|
||||
|
||||
PSEUDO("move", "rd,rs", 1, {
|
||||
{MIPS1_INS_OR, "rd,rs"}
|
||||
}),
|
||||
|
||||
PSEUDO("nop", "", 1, {
|
||||
{MIPS1_INS_SLL, ""},
|
||||
}),
|
||||
};
|
||||
|
||||
#define MIPS_INS(ins, ...) \
|
||||
[MIPS1_INS_ ##ins] = { __VA_ARGS__ },
|
||||
|
||||
union mips32_instruction mips1_instructions[__MIPS1_INS_LEN] = {
|
||||
/* ADD - add */
|
||||
MIPS_INS(ADD, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_ADD)
|
||||
|
||||
/* ADDI - add immediate */
|
||||
MIPS_INS(ADDI, .op = MIPS1_OP_ADDI)
|
||||
|
||||
/* ADDIU - add immediate unsigned */
|
||||
MIPS_INS(ADDIU, .op = MIPS1_OP_ADDIU)
|
||||
|
||||
/* ADDU - add unsigned */
|
||||
MIPS_INS(ADDU, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_ADDU)
|
||||
|
||||
/* AND - and */
|
||||
MIPS_INS(AND, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_AND)
|
||||
|
||||
/* ANDI - and immediate */
|
||||
MIPS_INS(ANDI, .op = MIPS1_OP_ANDI)
|
||||
|
||||
/* BC1F - branch on coprocessor 1 false */
|
||||
MIPS_INS(BC1F, .op = MIPS1_OP_COP1, .cfunct = MIPS1_FUNCT_BC, .tf = 0)
|
||||
|
||||
/* BC1T - branch on coprocessor 1 true */
|
||||
MIPS_INS(BC1T, .op = MIPS1_OP_COP1, .cfunct = MIPS1_FUNCT_BC, .tf = 1)
|
||||
|
||||
/* BEQ - branch on equal */
|
||||
MIPS_INS(BEQ, .op = MIPS1_OP_BEQ)
|
||||
|
||||
/* BGEZ - branch on greater than or equal to zero */
|
||||
MIPS_INS(BGEZ, .op = MIPS1_OP_REGIMM, .bfunct = MIPS1_FUNCT_BGEZ)
|
||||
|
||||
/* BGEZAL - branch on greater than or equal to zero and link */
|
||||
MIPS_INS(BGEZAL, .op = MIPS1_OP_REGIMM, .bfunct = MIPS1_FUNCT_BGEZAL)
|
||||
|
||||
/* BGTZ - branch on greater than zero */
|
||||
MIPS_INS(BGTZ, .op = MIPS1_OP_BGTZ)
|
||||
|
||||
/* BLEZ - branch on less than or equal to zero */
|
||||
MIPS_INS(BLEZ, .op = MIPS1_OP_BLEZ)
|
||||
|
||||
/* BLTZAL - branch on less than zero and link */
|
||||
MIPS_INS(BLTZAL, .op = MIPS1_OP_REGIMM, .bfunct = MIPS1_FUNCT_BLTZAL)
|
||||
|
||||
/* BLTZ - branch on less than zero */
|
||||
MIPS_INS(BLTZ, .op = MIPS1_OP_REGIMM, .bfunct = MIPS1_FUNCT_BLTZ)
|
||||
|
||||
/* BNE - branch on not equal */
|
||||
MIPS_INS(BNE, .op = MIPS1_OP_BNE)
|
||||
|
||||
/* BREAK - break */
|
||||
MIPS_INS(BREAK, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_BREAK)
|
||||
|
||||
/* CLO - count loading zeros */
|
||||
MIPS_INS(CLO, .op = MIPS1_OP_SPECIAL2, .funct = MIPS1_FUNCT_CLO)
|
||||
|
||||
/* CLZ - count loading zeros */
|
||||
MIPS_INS(CLZ, .op = MIPS1_OP_SPECIAL2, .funct = MIPS1_FUNCT_CLZ)
|
||||
|
||||
/* DIV - divide */
|
||||
MIPS_INS(DIV, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_DIV)
|
||||
|
||||
/* DIVU - divide unsigned */
|
||||
MIPS_INS(DIVU, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_DIVU)
|
||||
|
||||
/* ERET - exception return */
|
||||
MIPS_INS(ERET, .op = MIPS1_OP_COP0, .c0 = 1, .funct = MIPS1_FUNCT_ERET)
|
||||
|
||||
/* J - jump */
|
||||
MIPS_INS(J, .op = MIPS1_OP_J)
|
||||
|
||||
/* JAL - jump and link */
|
||||
MIPS_INS(JAL, .op = MIPS1_OP_JAL)
|
||||
|
||||
/* JALR - jump and link register */
|
||||
MIPS_INS(JALR, .rd = MIPS32_REG_RA, .op = MIPS1_OP_SPECIAL,
|
||||
.funct = MIPS1_FUNCT_JALR)
|
||||
|
||||
/* JR - jump register */
|
||||
MIPS_INS(JR, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_JR)
|
||||
|
||||
/* LB - load byte */
|
||||
MIPS_INS(LB, .op = MIPS1_OP_LB)
|
||||
|
||||
/* LBU - load byte unsigned */
|
||||
MIPS_INS(LBU, .op = MIPS1_OP_LBU)
|
||||
|
||||
/* LH - load half */
|
||||
MIPS_INS(LH, .op = MIPS1_OP_LH)
|
||||
|
||||
/* LHU - load half unsigned */
|
||||
MIPS_INS(LHU, .op = MIPS1_OP_LHU)
|
||||
|
||||
/* LL - load linked */
|
||||
MIPS_INS(LL, .op = MIPS1_OP_LL)
|
||||
|
||||
/* LUI - load upper immediate */
|
||||
MIPS_INS(LUI, .op = MIPS1_OP_LUI)
|
||||
|
||||
/* LW - load word */
|
||||
MIPS_INS(LW, .op = MIPS1_OP_LW)
|
||||
|
||||
/* LWC1 - load word cop1 */
|
||||
MIPS_INS(LWC1, .op = MIPS1_OP_LWC1)
|
||||
|
||||
/* LWL - load word left */
|
||||
MIPS_INS(LWL, .op = MIPS1_OP_LWL)
|
||||
|
||||
/* LWR - load word right */
|
||||
MIPS_INS(LWR, .op = MIPS1_OP_LWR)
|
||||
|
||||
/* MADD - multiply add */
|
||||
MIPS_INS(MADD, .op = MIPS1_OP_SPECIAL2, .funct = MIPS1_FUNCT_MADD)
|
||||
|
||||
/* MADDU - multiply add unsigned */
|
||||
MIPS_INS(MADDU, .op = MIPS1_OP_SPECIAL2, .funct = MIPS1_FUNCT_MADDU)
|
||||
|
||||
/* MFC0 - move from cop0 */
|
||||
MIPS_INS(MFC0, .op = MIPS1_OP_COP0, .cfunct = MIPS1_FUNCT_MF)
|
||||
|
||||
/* MFC1 - move from cop1 */
|
||||
MIPS_INS(MFC1, .op = MIPS1_OP_COP1, .cfunct = MIPS1_FUNCT_MF)
|
||||
|
||||
/* MFHI - move from hi */
|
||||
MIPS_INS(MFHI, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_MFHI)
|
||||
|
||||
/* MFLO - move from low */
|
||||
MIPS_INS(MFLO, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_MFLO)
|
||||
|
||||
/* MOVN - move conditional not zero */
|
||||
MIPS_INS(MOVN, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_MOVN)
|
||||
|
||||
/* MOVZ - move conditional zero */
|
||||
MIPS_INS(MOVZ, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_MOVZ)
|
||||
|
||||
/* MSUB - multiply subtract */
|
||||
MIPS_INS(MSUB, .op = MIPS1_OP_SPECIAL2, .funct = MIPS1_FUNCT_MSUB)
|
||||
|
||||
/* MSUBU - multiply subtract unsigned */
|
||||
MIPS_INS(MSUBU, .op = MIPS1_OP_SPECIAL2, .funct = MIPS1_FUNCT_MSUBU)
|
||||
|
||||
/* MTC0 - move from cop0 */
|
||||
MIPS_INS(MTC0, .op = MIPS1_OP_COP0, .cfunct = MIPS1_FUNCT_MT)
|
||||
|
||||
/* MTC1 - move from cop1 */
|
||||
MIPS_INS(MTC1, .op = MIPS1_OP_COP1, .cfunct = MIPS1_FUNCT_MT)
|
||||
|
||||
/* MTHI - move to hi */
|
||||
MIPS_INS(MTHI, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_MTHI)
|
||||
|
||||
/* MTLO - move to low */
|
||||
MIPS_INS(MTLO, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_MTLO)
|
||||
|
||||
/* MUL - multiply */
|
||||
MIPS_INS(MUL, .op = MIPS1_OP_SPECIAL2, .funct = MIPS1_FUNCT_MUL)
|
||||
|
||||
/* MULT - multiply */
|
||||
MIPS_INS(MULT, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_MULT)
|
||||
|
||||
/* MULTU - multiply unsinged */
|
||||
MIPS_INS(MULTU, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_MULTU)
|
||||
|
||||
/* NOR - not or */
|
||||
MIPS_INS(NOR, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_NOR)
|
||||
|
||||
/* OR - or */
|
||||
MIPS_INS(OR, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_OR)
|
||||
|
||||
/* ORI - or imemdiate */
|
||||
MIPS_INS(ORI, .op = MIPS1_OP_ORI)
|
||||
|
||||
/* SB - store byte */
|
||||
MIPS_INS(SB, .op = MIPS1_OP_SB)
|
||||
|
||||
/* SC - store conditional */
|
||||
MIPS_INS(SC, .op = MIPS1_OP_SC)
|
||||
|
||||
/* SDC1 - store double word cop1 */
|
||||
MIPS_INS(SDC1, .op = MIPS1_OP_SDC1)
|
||||
|
||||
/* SH - store half */
|
||||
MIPS_INS(SH, .op = MIPS1_OP_SH)
|
||||
|
||||
/* SLL - shift left logical */
|
||||
MIPS_INS(SLL, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_SLL)
|
||||
|
||||
/* SLLV - shift left logical variable */
|
||||
MIPS_INS(SLLV, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_SLLV)
|
||||
|
||||
/* SLT - set less then */
|
||||
MIPS_INS(SLT, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_SLT)
|
||||
|
||||
/* SLTI - set less then immediate */
|
||||
MIPS_INS(SLTI, .op = MIPS1_OP_SLTI)
|
||||
|
||||
/* SLTIU - set less then imemdiate unsigned */
|
||||
MIPS_INS(SLTIU, .op = MIPS1_OP_SLTIU)
|
||||
|
||||
/* SLTU - set less than unsigned */
|
||||
MIPS_INS(SLTU, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_SLTU)
|
||||
|
||||
/* SRA - shift right arithmetic */
|
||||
MIPS_INS(SRA, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_SRA)
|
||||
|
||||
/* SRAV - shift right arithmetic variable */
|
||||
MIPS_INS(SRAV, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_SRAV)
|
||||
|
||||
/* SRL - shift right logical */
|
||||
MIPS_INS(SRL, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_SRL)
|
||||
|
||||
/* SRLV - shift right logical variable */
|
||||
MIPS_INS(SRLV, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_SRLV)
|
||||
|
||||
/* SUB - subtract */
|
||||
MIPS_INS(SUB, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_SUB)
|
||||
|
||||
/* SUBU - subtract unsigned */
|
||||
MIPS_INS(SUBU, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_SUBU)
|
||||
|
||||
/* SW - store word */
|
||||
MIPS_INS(SW, .op = MIPS1_OP_SW)
|
||||
|
||||
/* SWC1 - store word cop1 */
|
||||
MIPS_INS(SWC1, .op = MIPS1_OP_SWC1)
|
||||
|
||||
/* SWL - store word left */
|
||||
MIPS_INS(SWL, .op = MIPS1_OP_SWL)
|
||||
|
||||
/* SWR - store word right */
|
||||
MIPS_INS(SWR, .op = MIPS1_OP_SWR)
|
||||
|
||||
/* SYSCALL - syscall */
|
||||
MIPS_INS(SYSCALL, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_SYSCALL)
|
||||
|
||||
/* TEQ - trap if equal */
|
||||
MIPS_INS(TEQ, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_TEQ)
|
||||
|
||||
/* TEQ - trap if equal immediate */
|
||||
MIPS_INS(TEQI, .op = MIPS1_OP_REGIMM, .bfunct = MIPS1_FUNCT_TEQI)
|
||||
|
||||
/* TGE - trap if greater or equal to */
|
||||
MIPS_INS(TGE, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_TGE)
|
||||
|
||||
/* TGEI - trap if greater or equal to immediate */
|
||||
MIPS_INS(TGEI, .op = MIPS1_OP_REGIMM, .bfunct = MIPS1_FUNCT_TGEI)
|
||||
|
||||
/* TGEIU - trap if greater or equal to immediate unsigned */
|
||||
MIPS_INS(TGEIU, .op = MIPS1_OP_REGIMM, .bfunct = MIPS1_FUNCT_TGEIU)
|
||||
|
||||
/* TGEU - trap if greater or equal to unsigned */
|
||||
MIPS_INS(TGEU, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_TGEU)
|
||||
|
||||
/* TLT - trap if less or equal to */
|
||||
MIPS_INS(TLT, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_TLT)
|
||||
|
||||
/* TLTI - trap if less or equal to immediate */
|
||||
MIPS_INS(TLTI, .op = MIPS1_OP_REGIMM, .bfunct = MIPS1_FUNCT_TLTI)
|
||||
|
||||
/* TLTIU - trap if less or equal to immediate unsigned */
|
||||
MIPS_INS(TLTIU, .op = MIPS1_OP_REGIMM, .bfunct = MIPS1_FUNCT_TLTIU)
|
||||
|
||||
/* TLTU - trap if less or equal to unsigned */
|
||||
MIPS_INS(TLTU, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_TLTU)
|
||||
|
||||
/* TNE - trap if not equal */
|
||||
MIPS_INS(TNE, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_TNE)
|
||||
|
||||
/* TNEI - trap if not equal immediate */
|
||||
MIPS_INS(TNEI, .op = MIPS1_OP_REGIMM, .bfunct = MIPS1_FUNCT_TNEI)
|
||||
|
||||
/* XOR - exclusive or */
|
||||
MIPS_INS(XOR, .op = MIPS1_OP_SPECIAL, .funct = MIPS1_FUNCT_XOR)
|
||||
|
||||
/* XORI - exclusive or immediate */
|
||||
MIPS_INS(XORI, .op = MIPS1_OP_XORI)
|
||||
|
||||
};
|
||||
|
||||
#undef MIPS_INS
|
||||
|
||||
851
lib/mips32r2.c
851
lib/mips32r2.c
|
|
@ -1,851 +0,0 @@
|
|||
#include <mips32r2.h>
|
||||
|
||||
#define RTYPE "rd,rs,rt"
|
||||
#define ITYPE "rt,rs,immd"
|
||||
#define JTYPE "target"
|
||||
#define LOAD "rt,offset(base)"
|
||||
#define SHIFT "rd,rt,sa"
|
||||
#define SHIFTV "rd,rt,rs"
|
||||
#define BRANCH "rs,rt,offset"
|
||||
#define BRANCHZ "rs,offset"
|
||||
|
||||
#define INS(name, grammer) {#name, grammer, MIPS32R2_INS_ ##name, \
|
||||
/* pseudo stub */ 0, {{0, ""}}}
|
||||
|
||||
#define PSEUDO(name, grammer, ...) {name, grammer, __MIPS32R2_INS_NULL, \
|
||||
__VA_ARGS__ }
|
||||
|
||||
struct mips32_grammer mips32r2_grammers[__MIPS32R2_GRAMMER_LEN] = {
|
||||
|
||||
// real instructions
|
||||
|
||||
INS(ADD, RTYPE),
|
||||
INS(ADDI, ITYPE),
|
||||
INS(ADDIU, ITYPE),
|
||||
INS(ADDU, RTYPE),
|
||||
INS(AND, RTYPE),
|
||||
INS(ANDI, ITYPE),
|
||||
INS(BC1F, "cc,offset"),
|
||||
INS(BC1FL, "cc,offset"),
|
||||
INS(BC1T, "cc,offset"),
|
||||
INS(BC1TL, "cc,offset"),
|
||||
INS(BC2F, "cc,offset"),
|
||||
INS(BC2FL, "cc,offset"),
|
||||
INS(BC2T, "cc,offset"),
|
||||
INS(BC2TL, "cc,offset"),
|
||||
INS(BEQ, BRANCH),
|
||||
INS(BEQL, BRANCH),
|
||||
INS(BGEZ, BRANCHZ),
|
||||
INS(BGEZAL, BRANCHZ),
|
||||
INS(BGEZALL, BRANCHZ),
|
||||
INS(BGEZL, BRANCHZ),
|
||||
INS(BGTZ, BRANCHZ),
|
||||
INS(BGTZL, BRANCHZ),
|
||||
INS(BLEZ, BRANCHZ),
|
||||
INS(BLEZL, BRANCHZ),
|
||||
INS(BLTZ, BRANCHZ),
|
||||
INS(BLTZAL, BRANCHZ),
|
||||
INS(BLTZALL, BRANCHZ),
|
||||
INS(BLTZL, BRANCHZ),
|
||||
INS(BNE, BRANCH),
|
||||
INS(BNEL, BRANCH),
|
||||
INS(BREAK, "code"),
|
||||
INS(CACHE, "op,offset(base)"),
|
||||
INS(CFC1, "rt,fs"),
|
||||
INS(CFC2, "rt,rd"),
|
||||
INS(CLO, "rd,rs"),
|
||||
INS(CLZ, "rd,rs"),
|
||||
INS(COP2, "func"),
|
||||
INS(CTC1, "rt,fs"),
|
||||
INS(CTC2, "rt,rd"),
|
||||
INS(DERET, ""),
|
||||
INS(DI, "rt"),
|
||||
INS(DIV, RTYPE),
|
||||
INS(DIVU, RTYPE),
|
||||
INS(EI, "rt"),
|
||||
INS(ERET, ""),
|
||||
INS(EXT, "rt,rs,pos,size"),
|
||||
INS(INS, "rt,rs,pos,size"),
|
||||
INS(J, JTYPE),
|
||||
INS(JAL, JTYPE),
|
||||
INS(JALR, "rs"),
|
||||
INS(JR, "rs"),
|
||||
INS(LB, LOAD),
|
||||
INS(LBU, LOAD),
|
||||
INS(LDC1, "ft,offset(base)"),
|
||||
INS(LDC2, LOAD),
|
||||
INS(LDXC1, "fd,index(base)"),
|
||||
INS(LH, LOAD),
|
||||
INS(LHU, LOAD),
|
||||
INS(LL, LOAD),
|
||||
INS(LUI, "rt,immd"),
|
||||
INS(LUXC1, "fd,index(base)"),
|
||||
INS(LW, LOAD),
|
||||
INS(LWC1, "ft,offset(base)"),
|
||||
INS(LWC2, LOAD),
|
||||
INS(LWL, LOAD),
|
||||
INS(LWR, LOAD),
|
||||
INS(LWXC1, "fd,index(base)"),
|
||||
INS(MADD, "rs,rt"),
|
||||
INS(MADDU, "rs,rt"),
|
||||
INS(MFC0, "rt,rd"),
|
||||
INS(MFC1, "rt,fs"),
|
||||
INS(MFC2, "rt,rd"),
|
||||
INS(MFHC1, "rt,fs"),
|
||||
INS(MFHC2, "rt,rd"),
|
||||
INS(MFHI, "rd"),
|
||||
INS(MFLO, "rd"),
|
||||
INS(MOVF, "rd,rs,cc"),
|
||||
INS(MOVN, RTYPE),
|
||||
INS(MOVT, "rd,rs,cc"),
|
||||
INS(MOVZ, RTYPE),
|
||||
INS(MSUB, "rs,rt"),
|
||||
INS(MSUBU, "rs,rt"),
|
||||
INS(MTC0, "rt,rd"),
|
||||
INS(MTC1, "rt,fs"),
|
||||
INS(MTC2, "rt,rd"),
|
||||
INS(MTHC1, "rt,fs"),
|
||||
INS(MTHC2, "rt,rd"),
|
||||
INS(MTHI, "rs"),
|
||||
INS(MTLO, "rs"),
|
||||
INS(MUL, RTYPE),
|
||||
INS(MULT, "rs,rt"),
|
||||
INS(MULTU, "rs,rt"),
|
||||
INS(NOR, RTYPE),
|
||||
INS(OR, RTYPE),
|
||||
INS(ORI, ITYPE),
|
||||
INS(PREF, "hint,offset(base)"),
|
||||
INS(PREFX, "hint,index(base)"),
|
||||
INS(RDHWR, "rt,rd"),
|
||||
INS(RDPGPR, "rd,rt"),
|
||||
INS(ROTR, SHIFT),
|
||||
INS(ROTRV, SHIFTV),
|
||||
INS(SB, LOAD),
|
||||
INS(SC, LOAD),
|
||||
INS(SDBBP, "code"),
|
||||
INS(SDC1, "ft,offset(base)"),
|
||||
INS(SDC2, LOAD),
|
||||
INS(SDXC1, "fs,index(base)"),
|
||||
INS(SEB, "rd,rt"),
|
||||
INS(SEH, "rd,rt"),
|
||||
INS(SH, LOAD),
|
||||
INS(SLL, SHIFT),
|
||||
INS(SLLV, SHIFTV),
|
||||
INS(SLT, RTYPE),
|
||||
INS(SLTI, ITYPE),
|
||||
INS(SLTIU, ITYPE),
|
||||
INS(SLTU, RTYPE),
|
||||
INS(SRA, SHIFT),
|
||||
INS(SRAV, SHIFTV),
|
||||
INS(SRL, SHIFT),
|
||||
INS(SRLV, SHIFT),
|
||||
INS(SUB, RTYPE),
|
||||
INS(SUBU, RTYPE),
|
||||
INS(SUXC1, "fs,index(base)"),
|
||||
INS(SW, LOAD),
|
||||
INS(SWC1, "ft,offset(base)"),
|
||||
INS(SWC2, LOAD),
|
||||
INS(SWL, LOAD),
|
||||
INS(SWR, LOAD),
|
||||
INS(SWXC1, "fs,index(base)"),
|
||||
INS(SYNC, ""),
|
||||
INS(SYNCI, "offest(base)"),
|
||||
INS(SYSCALL, ""),
|
||||
INS(TEQ, "rs,rt"),
|
||||
INS(TEQI, "rs,immd"),
|
||||
INS(TGE, "rs,rt"),
|
||||
INS(TGEI, "rs,immd"),
|
||||
INS(TGEIU, "rs,immd"),
|
||||
INS(TGEU, "rs,rt"),
|
||||
INS(TLBP, ""),
|
||||
INS(TLBR, ""),
|
||||
INS(TLBWI, ""),
|
||||
INS(TLBWR, ""),
|
||||
INS(TLT, "rs,rt"),
|
||||
INS(TLTI, "rs,immd"),
|
||||
INS(TLTIU, "rs,immd"),
|
||||
INS(TLTU, "rs,rt"),
|
||||
INS(TNE, "rs,rt"),
|
||||
INS(TNEI, "rs,immd"),
|
||||
INS(WAIT, ""),
|
||||
INS(WRPGPR, "rd,rt"),
|
||||
INS(XOR, RTYPE),
|
||||
INS(XORI, ITYPE),
|
||||
|
||||
// pseudo instructions
|
||||
|
||||
PSEUDO("abs", "rd,rs", 3, {
|
||||
{MIPS32R2_INS_SRA, "rd=$at,rt=rs,sa=31"},
|
||||
{MIPS32R2_INS_ADD, "rd,rs,rt=$at"},
|
||||
{MIPS32R2_INS_XOR, "rd,rs=rd,rt=$at"},
|
||||
}),
|
||||
|
||||
PSEUDO("div", "rd,rt,rs", 2, {
|
||||
{MIPS32R2_INS_DIV, "rt,rs"},
|
||||
{MIPS32R2_INS_MFLO, "rd"},
|
||||
}),
|
||||
|
||||
PSEUDO("divu", "rd,rt,rs", 2, {
|
||||
{MIPS32R2_INS_DIVU, "rt,rs"},
|
||||
{MIPS32R2_INS_MFLO, "rd"},
|
||||
}),
|
||||
|
||||
PSEUDO("mulo", "rd,rt,rs", 2, {
|
||||
{MIPS32R2_INS_MULT, "rt,rs"},
|
||||
{MIPS32R2_INS_MFLO, "rd"},
|
||||
}),
|
||||
|
||||
PSEUDO("mulou", "rd,rt,rs", 2, {
|
||||
{MIPS32R2_INS_MULTU, "rt,rs"},
|
||||
{MIPS32R2_INS_MFLO, "rd"},
|
||||
}),
|
||||
|
||||
PSEUDO("neg", "rd,rt", 1, {
|
||||
{MIPS32R2_INS_SUB, "rd,rs=$zero,rt"},
|
||||
}),
|
||||
|
||||
PSEUDO("negu", "rd,rt", 1, {
|
||||
{MIPS32R2_INS_SUBU, "rd,rs=$zero,rt"},
|
||||
}),
|
||||
|
||||
PSEUDO("not", "rd,rt", 1, {
|
||||
{MIPS32R2_INS_NOR, "rd,rs=$zero,rt"},
|
||||
}),
|
||||
|
||||
PSEUDO("rem", "rd,rt,rs", 2, {
|
||||
{MIPS32R2_INS_DIV, "rt,rs"},
|
||||
{MIPS32R2_INS_MFHI, "rd"},
|
||||
}),
|
||||
|
||||
PSEUDO("remu", "rd,rt,rs", 2, {
|
||||
{MIPS32R2_INS_DIVU, "rt,rs"},
|
||||
{MIPS32R2_INS_MFHI, "rd"},
|
||||
}),
|
||||
|
||||
// TODO: rol
|
||||
|
||||
// TODO: ror
|
||||
|
||||
PSEUDO("subi", "rt,rs,immd", 1, {
|
||||
{MIPS32R2_INS_ADDI, "rt,rs,-immd"},
|
||||
}),
|
||||
|
||||
PSEUDO("li", "rt,immd", 1, {
|
||||
{MIPS32R2_INS_ADDI, "rt,immd"}
|
||||
}),
|
||||
|
||||
PSEUDO("seq", "rd,rs,rt", 3, {
|
||||
{MIPS32R2_INS_SLT, "rd,rs,rt"},
|
||||
{MIPS32R2_INS_SLT, "rd=$at,rs,rt"},
|
||||
{MIPS32R2_INS_NOR, "rd,rs=rd,rt=$at"},
|
||||
}),
|
||||
|
||||
PSEUDO("sgt", "rd,rs,rt", 1, {
|
||||
{MIPS32R2_INS_SLT, "rd,rs=rt,rt=rs"},
|
||||
}),
|
||||
|
||||
PSEUDO("sgtu", "rd,rs,rt", 1, {
|
||||
{MIPS32R2_INS_SLTU, "rd,rs=rt,rt=rs"},
|
||||
}),
|
||||
|
||||
PSEUDO("sge", "rd,rs,rt", 2, {
|
||||
{MIPS32R2_INS_SLT, "rd,rs,rt"},
|
||||
{MIPS32R2_INS_SLTI, "rt=rd,rs=rd,immd=1"},
|
||||
}),
|
||||
|
||||
PSEUDO("sgeu", "rd,rs,rt", 2, {
|
||||
{MIPS32R2_INS_SLTU, "rd,rs,rt"},
|
||||
{MIPS32R2_INS_SLTI, "rt=rd,rs=rd,immd=1"},
|
||||
}),
|
||||
|
||||
PSEUDO("slte", "rd,rs,rt", 2, {
|
||||
{MIPS32R2_INS_SLT, "rd,rs=rt,rt=rs"},
|
||||
{MIPS32R2_INS_SLTI, "rt=rd,rs=rd,immd=1"},
|
||||
}),
|
||||
|
||||
PSEUDO("slteu", "rd,rs,rt", 2, {
|
||||
{MIPS32R2_INS_SLTU, "rd,rs=rt,rt=rs"},
|
||||
{MIPS32R2_INS_SLTI, "rt=rd,rs=rd,immd=1"},
|
||||
}),
|
||||
|
||||
PSEUDO("sne", "rd,rs,rt", 3, {
|
||||
{MIPS32R2_INS_SLT, "rd,rs,rt"},
|
||||
{MIPS32R2_INS_SLT, "rd=$at,rs,rt"},
|
||||
{MIPS32R2_INS_OR, "rd,rs=rd,rt=$at"},
|
||||
}),
|
||||
|
||||
PSEUDO("jalr.hb", "rs", 1, {
|
||||
{MIPS32R2_INS_JALR, "rs,hb=1"}
|
||||
}),
|
||||
|
||||
PSEUDO("jr.hb", "rs", 1, {
|
||||
{MIPS32R2_INS_JR, "rs,hb=1"}
|
||||
}),
|
||||
|
||||
|
||||
PSEUDO("b", "offset", 1, {
|
||||
{MIPS32R2_INS_BEQ, "rs=$zero,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("beqz", "rs,offset", 1, {
|
||||
{MIPS32R2_INS_BEQ, "rs,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bge", "rs,rt,offset", 2, {
|
||||
{MIPS32R2_INS_SLT, "rd=$at,rs,rt"},
|
||||
{MIPS32R2_INS_BNE, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bgeu", "rs,rt,offset", 2, {
|
||||
{MIPS32R2_INS_SLTU, "rd=$at,rs,rt"},
|
||||
{MIPS32R2_INS_BNE, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bge", "rs,rt,offset", 2, {
|
||||
{MIPS32R2_INS_SLT, "rd=$at,rs,rt"},
|
||||
{MIPS32R2_INS_BEQ, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bgeu", "rs,rt,offset", 2, {
|
||||
{MIPS32R2_INS_SLTU, "rd=$at,rs,rt"},
|
||||
{MIPS32R2_INS_BEQ, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("ble", "rs,rt,offset", 2, {
|
||||
{MIPS32R2_INS_SLT, "rd=$at,rs=rt,rt=rs"},
|
||||
{MIPS32R2_INS_BEQ, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bleu", "rs,rt,offset", 2, {
|
||||
{MIPS32R2_INS_SLT, "rd=$at,rs=rt,rt=rs"},
|
||||
{MIPS32R2_INS_BEQ, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("blt", "rs,rt,offset", 2, {
|
||||
{MIPS32R2_INS_SLT, "rd=$at,rs,rt"},
|
||||
{MIPS32R2_INS_BNE, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bltu", "rs,rt,offset", 2, {
|
||||
{MIPS32R2_INS_SLTU, "rd=$at,rs,rt"},
|
||||
{MIPS32R2_INS_BNE, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bnez", "rs,offset", 1, {
|
||||
{MIPS32R2_INS_BNE, "rs,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
// TODO: ld
|
||||
|
||||
// TODO: load unaligned
|
||||
|
||||
// TODO: store unaligned
|
||||
|
||||
PSEUDO("la", "rt,target", 2, {
|
||||
{MIPS32R2_INS_LUI, "rt=$at,hi"},
|
||||
{MIPS32R2_INS_ORI, "rt,rs=$at,lo"},
|
||||
}),
|
||||
|
||||
PSEUDO("move", "rd,rs", 1, {
|
||||
{MIPS32R2_INS_OR, "rd,rs"}
|
||||
}),
|
||||
|
||||
PSEUDO("nop", "", 1, {
|
||||
{MIPS32R2_INS_SLL, ""},
|
||||
}),
|
||||
|
||||
PSEUDO("ssnop", "", 1, {
|
||||
{MIPS32R2_INS_SLL, "sa=1"},
|
||||
}),
|
||||
|
||||
PSEUDO("ehb", "", 1, {
|
||||
{MIPS32R2_INS_SLL, "sa=3"}
|
||||
}),
|
||||
};
|
||||
|
||||
#define MIPS_INS(ins, ...) \
|
||||
[MIPS32R2_INS_ ##ins] = { __VA_ARGS__ },
|
||||
|
||||
union mips32_instruction mips32r2_instructions[__MIPS32R2_INS_LEN] = {
|
||||
/* ADD - add */
|
||||
MIPS_INS(ADD, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_ADD)
|
||||
|
||||
/* ADDI - add immediate */
|
||||
MIPS_INS(ADDI, .op = MIPS32R2_OP_ADDI)
|
||||
|
||||
/* ADDIU - add immediate unsigned */
|
||||
MIPS_INS(ADDIU, .op = MIPS32R2_OP_ADDIU)
|
||||
|
||||
/* ADDU - add unsigned */
|
||||
MIPS_INS(ADDU, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_ADDU)
|
||||
|
||||
/* AND - and */
|
||||
MIPS_INS(AND, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_AND)
|
||||
|
||||
/* ANDI - and immediate */
|
||||
MIPS_INS(ANDI, .op = MIPS32R2_OP_ANDI)
|
||||
|
||||
/* BC1F - branch on cop1 false */
|
||||
MIPS_INS(BC1F, .op = MIPS32R2_OP_COP1, .cfunct = MIPS32R2_FUNCT_BC,
|
||||
.nd = 0, .tf = 0)
|
||||
|
||||
/* BC1FL - branch on cop1 false likely */
|
||||
MIPS_INS(BC1FL, .op = MIPS32R2_OP_COP1, .cfunct = MIPS32R2_FUNCT_BC,
|
||||
.nd = 1, .tf = 0)
|
||||
|
||||
/* BC1T - branch on cop1 true */
|
||||
MIPS_INS(BC1T, .op = MIPS32R2_OP_COP1, .cfunct = MIPS32R2_FUNCT_BC,
|
||||
.nd = 0, .tf = 1)
|
||||
|
||||
/* BC1TL - branch on cop1 true likely */
|
||||
MIPS_INS(BC1TL, .op = MIPS32R2_OP_COP1, .cfunct = MIPS32R2_FUNCT_BC,
|
||||
.nd = 1, .tf = 1)
|
||||
|
||||
/* BC2F - branch on cop1 false */
|
||||
MIPS_INS(BC2F, .op = MIPS32R2_OP_COP2, .cfunct = MIPS32R2_FUNCT_BC,
|
||||
.nd = 0, .tf = 0)
|
||||
|
||||
/* BC2FL - branch on cop1 false likely */
|
||||
MIPS_INS(BC2FL, .op = MIPS32R2_OP_COP2, .cfunct = MIPS32R2_FUNCT_BC,
|
||||
.nd = 1, .tf = 0)
|
||||
|
||||
/* BC2T - branch on cop1 true */
|
||||
MIPS_INS(BC2T, .op = MIPS32R2_OP_COP2, .cfunct = MIPS32R2_FUNCT_BC,
|
||||
.nd = 0, .tf = 1)
|
||||
|
||||
/* BC2TL - branch on cop1 true likely */
|
||||
MIPS_INS(BC2TL, .op = MIPS32R2_OP_COP2, .cfunct = MIPS32R2_FUNCT_BC,
|
||||
.nd = 1, .tf = 1)
|
||||
|
||||
/* BEQ - branch on equal */
|
||||
MIPS_INS(BEQ, .op = MIPS32R2_OP_BEQ)
|
||||
|
||||
/* BEQL - branch on equal likely */
|
||||
MIPS_INS(BEQL, .op = MIPS32R2_OP_BEQL)
|
||||
|
||||
/* BGEZ - branch on greater than or equal to zero */
|
||||
MIPS_INS(BGEZ, .op = MIPS32R2_OP_REGIMM, .bfunct = MIPS32R2_FUNCT_BGEZ)
|
||||
|
||||
/* BGEZAL - branch on greater than or equal to zero and link */
|
||||
MIPS_INS(BGEZAL, .op = MIPS32R2_OP_REGIMM, .bfunct = MIPS32R2_FUNCT_BGEZAL)
|
||||
|
||||
/* BGEZALL - branch on greater than or equal to zero and link likely */
|
||||
MIPS_INS(BGEZALL, .op = MIPS32R2_OP_REGIMM, .bfunct = MIPS32R2_FUNCT_BGEZALL)
|
||||
|
||||
/* BGEZL - branch on greater than or equal to zero likely */
|
||||
MIPS_INS(BGEZL, .op = MIPS32R2_OP_REGIMM, .bfunct = MIPS32R2_FUNCT_BGEZL)
|
||||
|
||||
/* BGTZ - branch on greater than zero */
|
||||
MIPS_INS(BGTZ, .op = MIPS32R2_OP_BGTZ)
|
||||
|
||||
/* BGTZL - branch on greater than zero likely */
|
||||
MIPS_INS(BGTZL, .op = MIPS32R2_OP_BGTZL)
|
||||
|
||||
/* BLEZ - branch on less than or equal to zero */
|
||||
MIPS_INS(BLEZ, .op = MIPS32R2_OP_BLEZ)
|
||||
|
||||
/* BLEZL - branch on less than or equal to zero likely */
|
||||
MIPS_INS(BLEZL, .op = MIPS32R2_OP_BLEZL)
|
||||
|
||||
/* BLTZ - branch on less than zero */
|
||||
MIPS_INS(BLTZ, .op = MIPS32R2_OP_REGIMM, .bfunct = MIPS32R2_FUNCT_BLTZ)
|
||||
|
||||
/* BLTZAL - branch on less than zero and link */
|
||||
MIPS_INS(BLTZAL, .op = MIPS32R2_OP_REGIMM, .bfunct = MIPS32R2_FUNCT_BLTZAL)
|
||||
|
||||
/* BLTZALL - branch on less than zero and link likely */
|
||||
MIPS_INS(BLTZALL, .op = MIPS32R2_OP_REGIMM, .bfunct = MIPS32R2_FUNCT_BLTZALL)
|
||||
|
||||
/* BLTZL - branch on less than zero likely */
|
||||
MIPS_INS(BLTZL, .op = MIPS32R2_OP_REGIMM, .bfunct = MIPS32R2_FUNCT_BLTZL)
|
||||
|
||||
/* BNE - branch on not equal */
|
||||
MIPS_INS(BNE, .op = MIPS32R2_OP_BNE)
|
||||
|
||||
/* BNEL - branch on not equal likely */
|
||||
MIPS_INS(BNEL, .op = MIPS32R2_OP_BNEL)
|
||||
|
||||
/* BREAK - breakpoint */
|
||||
MIPS_INS(BREAK, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_BREAK)
|
||||
|
||||
/* CACHE - perform cache operation */
|
||||
MIPS_INS(CACHE, .op = MIPS32R2_OP_CACHE)
|
||||
|
||||
/* CFC1 - move control word from floating point */
|
||||
MIPS_INS(CFC1, .op = MIPS32R2_OP_COP1, .cfunct = MIPS32R2_FUNCT_CF)
|
||||
|
||||
/* CFC2 - move control word from coprocessor 2 */
|
||||
MIPS_INS(CFC2, .op = MIPS32R2_OP_COP2, .cfunct = MIPS32R2_FUNCT_CF)
|
||||
|
||||
/* CLO - count leading ones */
|
||||
MIPS_INS(CLO, .op = MIPS32R2_OP_SPECIAL2, .funct = MIPS32R2_FUNCT_CLO)
|
||||
|
||||
/* CLZ - count leading zeros */
|
||||
MIPS_INS(CLZ, .op = MIPS32R2_OP_SPECIAL2, .funct = MIPS32R2_FUNCT_CLZ)
|
||||
|
||||
/* COP2 - coprocessor operation to coprocessor 2 */
|
||||
MIPS_INS(COP2, .op = MIPS32R2_OP_COP2, .c0 = 1)
|
||||
|
||||
/* CTC1 - move control word to floating point */
|
||||
MIPS_INS(CTC1, .op = MIPS32R2_OP_COP1, .cfunct = MIPS32R2_FUNCT_CT)
|
||||
|
||||
/* CTC2 - move control word to coprocessor 2 */
|
||||
MIPS_INS(CTC2, .op = MIPS32R2_OP_COP2, .cfunct = MIPS32R2_FUNCT_CT)
|
||||
|
||||
/* DERET - debug exception return */
|
||||
MIPS_INS(DERET, .op = MIPS32R2_OP_COP0, .c0 = 1, .funct = MIPS32R2_FUNCT_DERET)
|
||||
|
||||
/* DI - disable interupts */
|
||||
MIPS_INS(DI, .op = MIPS32R2_OP_COP0, .cfunct = MIPS32R2_FUNCT_MFMC0,
|
||||
.rd = 12, .sc = 0)
|
||||
|
||||
/* DIV - divide */
|
||||
MIPS_INS(DIV, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_DIV)
|
||||
|
||||
/* DIVU - divide unsigned */
|
||||
MIPS_INS(DIVU, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_DIVU)
|
||||
|
||||
/* EI - enable interupts */
|
||||
MIPS_INS(EI, .op = MIPS32R2_OP_COP0, .cfunct = MIPS32R2_FUNCT_MFMC0,
|
||||
.rd = 12, .sc = 1)
|
||||
|
||||
/* ERET - exception return */
|
||||
MIPS_INS(ERET, .op = MIPS32R2_OP_COP0, .c0 = 1, .funct = MIPS32R2_FUNCT_ERET)
|
||||
|
||||
/* ERT - extract bit field */
|
||||
MIPS_INS(EXT, .op = MIPS32R2_OP_SPECIAL3, .funct = MIPS32R2_FUNCT_EXT)
|
||||
|
||||
/* INS - insert bit field */
|
||||
MIPS_INS(INS, .op = MIPS32R2_OP_SPECIAL3, .funct = MIPS32R2_FUNCT_INS)
|
||||
|
||||
/* J - jump */
|
||||
MIPS_INS(J, .op = MIPS32R2_OP_J)
|
||||
|
||||
/* JAL - jump and link */
|
||||
MIPS_INS(JAL, .op = MIPS32R2_OP_JAL)
|
||||
|
||||
/* JALR - jump and link register */
|
||||
MIPS_INS(JALR, .rd = MIPS32_REG_RA, .op = MIPS32R2_OP_SPECIAL,
|
||||
.funct = MIPS32R2_FUNCT_JALR)
|
||||
|
||||
/* JR - jump register */
|
||||
MIPS_INS(JR, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_JR)
|
||||
|
||||
/* LB - load byte */
|
||||
MIPS_INS(LB, .op = MIPS32R2_OP_LB)
|
||||
|
||||
/* LBU - load byte unsigned */
|
||||
MIPS_INS(LBU, .op = MIPS32R2_OP_LBU)
|
||||
|
||||
/* LDC1 - load doubleword floating point */
|
||||
MIPS_INS(LDC1, .op = MIPS32R2_OP_LDC1)
|
||||
|
||||
/* LDC2 - load doubleword cop2 */
|
||||
MIPS_INS(LDC2, .op = MIPS32R2_OP_LDC2)
|
||||
|
||||
/* LDXC1 - load doubleword indexed to floating point */
|
||||
MIPS_INS(LDXC1, .op = MIPS32R2_OP_COP1X, .funct = MIPS32R2_FUNCT_LDXC1)
|
||||
|
||||
/* LH - load half */
|
||||
MIPS_INS(LH, .op = MIPS32R2_OP_LH)
|
||||
|
||||
/* LHU - load half unsigned */
|
||||
MIPS_INS(LHU, .op = MIPS32R2_OP_LHU)
|
||||
|
||||
/* LK - load linked */
|
||||
MIPS_INS(LL, .op = MIPS32R2_OP_LL)
|
||||
|
||||
/* LUI - load upper immediate */
|
||||
MIPS_INS(LUI, .op = MIPS32R2_OP_LUI)
|
||||
|
||||
/* LUXC1 - load doubleword indexed unaligned to floating point */
|
||||
MIPS_INS(LUXC1, .op = MIPS32R2_OP_COP1X, .funct = MIPS32R2_FUNCT_LUXC1)
|
||||
|
||||
/* LW - load word */
|
||||
MIPS_INS(LW, .op = MIPS32R2_OP_LW)
|
||||
|
||||
/* LDC1 - load word floating point */
|
||||
MIPS_INS(LWC1, .op = MIPS32R2_OP_LWC1)
|
||||
|
||||
/* LDC2 - load eword cop2 */
|
||||
MIPS_INS(LWC2, .op = MIPS32R2_OP_LWC2)
|
||||
|
||||
/* LWL - load word left */
|
||||
MIPS_INS(LWL, .op = MIPS32R2_OP_LWL)
|
||||
|
||||
/* LWR - load word right */
|
||||
MIPS_INS(LWR, .op = MIPS32R2_OP_LWR)
|
||||
|
||||
/* LWXC1 - load word indexed to floating point */
|
||||
MIPS_INS(LWXC1, .op = MIPS32R2_OP_COP1X, .funct = MIPS32R2_FUNCT_LWXC1)
|
||||
|
||||
/* MADD - multiply and add words to hi,lo */
|
||||
MIPS_INS(MADD, .op = MIPS32R2_OP_SPECIAL2, .funct = MIPS32R2_FUNCT_MADD)
|
||||
|
||||
/* MADDU - multiply and add unsigned words to hi,lo */
|
||||
MIPS_INS(MADDU, .op = MIPS32R2_OP_SPECIAL2, .funct = MIPS32R2_FUNCT_MADDU)
|
||||
|
||||
/* MFC0 - move from cop0 */
|
||||
MIPS_INS(MFC0, .op = MIPS32R2_OP_COP0, .cfunct = MIPS32R2_FUNCT_MF)
|
||||
|
||||
/* MFC1 - move from floating point */
|
||||
MIPS_INS(MFC1, .op = MIPS32R2_OP_COP1, .cfunct = MIPS32R2_FUNCT_MF)
|
||||
|
||||
/* MFC2 - move from cop2 */
|
||||
MIPS_INS(MFC2, .op = MIPS32R2_OP_COP0, .cfunct = MIPS32R2_FUNCT_MF)
|
||||
|
||||
/* MFHC1 - move word from high half of floating point register */
|
||||
MIPS_INS(MFHC1, .op = MIPS32R2_OP_COP1, .cfunct = MIPS32R2_FUNCT_MFH)
|
||||
|
||||
/* MFHC2 - move word from high half of cop2 */
|
||||
MIPS_INS(MFHC2, .op = MIPS32R2_OP_COP2, .cfunct = MIPS32R2_FUNCT_MFH)
|
||||
|
||||
/* MFHI - move from hi register */
|
||||
MIPS_INS(MFHI, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_MFHI)
|
||||
|
||||
/* MFLO - move from lo register */
|
||||
MIPS_INS(MFLO, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_MFLO)
|
||||
|
||||
/* MOVF - move on floating point false */
|
||||
MIPS_INS(MOVF, .op = MIPS32R2_OP_SPECIAL, .tf = 0,
|
||||
.funct = MIPS32R2_FUNCT_MOVCL)
|
||||
|
||||
/* MOVN - move conditional on non zero */
|
||||
MIPS_INS(MOVN, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_MOVN)
|
||||
|
||||
/* MOVT - move on floating point true */
|
||||
MIPS_INS(MOVT, .op = MIPS32R2_OP_SPECIAL, .tf = 1,
|
||||
.funct = MIPS32R2_FUNCT_MOVCL)
|
||||
|
||||
/* MOVZ - move conditional on zero */
|
||||
MIPS_INS(MOVZ, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_MOVZ)
|
||||
|
||||
/* MSUB - multiply and add words to hi,lo */
|
||||
MIPS_INS(MSUB, .op = MIPS32R2_OP_SPECIAL2, .funct = MIPS32R2_FUNCT_MSUB)
|
||||
|
||||
/* MSUBU - multiply and add unsigned words to hi,lo */
|
||||
MIPS_INS(MSUBU, .op = MIPS32R2_OP_SPECIAL2, .funct = MIPS32R2_FUNCT_MSUBU)
|
||||
|
||||
/* MTC0 - move to cop0 */
|
||||
MIPS_INS(MTC0, .op = MIPS32R2_OP_COP0, .cfunct = MIPS32R2_FUNCT_MT)
|
||||
|
||||
/* MTC1 - move to floating point */
|
||||
MIPS_INS(MTC1, .op = MIPS32R2_OP_COP1, .cfunct = MIPS32R2_FUNCT_MT)
|
||||
|
||||
/* MTC2 - move to cop2 */
|
||||
MIPS_INS(MTC2, .op = MIPS32R2_OP_COP0, .cfunct = MIPS32R2_FUNCT_MT)
|
||||
|
||||
/* MTHC1 - move word to high half of floating point register */
|
||||
MIPS_INS(MTHC1, .op = MIPS32R2_OP_COP1, .cfunct = MIPS32R2_FUNCT_MTH)
|
||||
|
||||
/* MTHC2 - move word to high half of cop2 */
|
||||
MIPS_INS(MTHC2, .op = MIPS32R2_OP_COP2, .cfunct = MIPS32R2_FUNCT_MTH)
|
||||
|
||||
/* MTHI - move to hi register */
|
||||
MIPS_INS(MTHI, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_MTHI)
|
||||
|
||||
/* MTLO - move to lo register */
|
||||
MIPS_INS(MTLO, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_MTLO)
|
||||
|
||||
/* MUL - multiply word to GPR */
|
||||
MIPS_INS(MUL, .op = MIPS32R2_OP_SPECIAL2, .funct = MIPS32R2_FUNCT_MUL)
|
||||
|
||||
/* MULT - multiply word */
|
||||
MIPS_INS(MULT, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_MULT)
|
||||
|
||||
/* MULTU - multiply unsigned word */
|
||||
MIPS_INS(MULTU, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_MULTU)
|
||||
|
||||
/* NOR - not or */
|
||||
MIPS_INS(NOR, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_NOR)
|
||||
|
||||
/* OR - or */
|
||||
MIPS_INS(OR, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_OR)
|
||||
|
||||
/* ORI - or imemdiate */
|
||||
MIPS_INS(ORI, .op = MIPS32R2_OP_ORI)
|
||||
|
||||
/* PREF - prefetch */
|
||||
MIPS_INS(PREF, .op = MIPS32R2_OP_PREF)
|
||||
|
||||
/* PREFX - prefetch indexed */
|
||||
MIPS_INS(PREFX, .op = MIPS32R2_OP_COP1X, .funct = MIPS32R2_FUNCT_PREFX)
|
||||
|
||||
/* RDHWR - read hardware register */
|
||||
MIPS_INS(RDHWR, .op = MIPS32R2_OP_SPECIAL3, .funct = MIPS32R2_FUNCT_RDHWR)
|
||||
|
||||
/* RDPGPR - read gpr from previous shadow set */
|
||||
MIPS_INS(RDPGPR, .op = MIPS32R2_OP_COP0, .cfunct = MIPS32R2_FUNCT_RDPGPR)
|
||||
|
||||
/* ROTR - rotate word right */
|
||||
MIPS_INS(ROTR, .op = MIPS32R2_OP_SPECIAL, .r = 1, .funct = MIPS32R2_FUNCT_SRL)
|
||||
|
||||
/* ROTRV - rotate word right variable */
|
||||
MIPS_INS(ROTRV, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_SRLV,
|
||||
.rv = 1)
|
||||
|
||||
/* SB - store byte */
|
||||
MIPS_INS(SB, .op = MIPS32R2_OP_SB)
|
||||
|
||||
/* SC - store conditional word */
|
||||
MIPS_INS(SC, .op = MIPS32R2_OP_SC)
|
||||
|
||||
/* SDBBP - software debug breakpoint */
|
||||
MIPS_INS(SDBBP, .op = MIPS32R2_OP_SPECIAL2, .funct = MIPS32R2_FUNCT_SDBBP)
|
||||
|
||||
/* SDC1 - store doubleword floating point */
|
||||
MIPS_INS(SDC1, .op = MIPS32R2_OP_SDC1)
|
||||
|
||||
/* SDC2 - store doubleword cop2 */
|
||||
MIPS_INS(SDC2, .op = MIPS32R2_OP_SDC2)
|
||||
|
||||
/* SDXC1 - store doubleword indexed from floating point */
|
||||
MIPS_INS(SDXC1, .op = MIPS32R2_OP_COP1X, .funct = MIPS32R2_FUNCT_SDXC1)
|
||||
|
||||
/* SEB - sign extend byte */
|
||||
MIPS_INS(SEB, .op = MIPS32R2_OP_SPECIAL3, .shamt = MIPS32R2_FUNCT_SEB,
|
||||
.funct = MIPS32R2_FUNCT_BSHFL)
|
||||
|
||||
/* SEH - sign extend halfword */
|
||||
MIPS_INS(SEH, .op = MIPS32R2_OP_SPECIAL3, .shamt = MIPS32R2_FUNCT_SEH,
|
||||
.funct = MIPS32R2_FUNCT_BSHFL)
|
||||
|
||||
/* SH - store half */
|
||||
MIPS_INS(SH, .op = MIPS32R2_OP_SH)
|
||||
|
||||
/* SLL - shift left logical */
|
||||
MIPS_INS(SLL, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_SLL)
|
||||
|
||||
/* SLLV - shift left logical variable */
|
||||
MIPS_INS(SLLV, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_SLLV)
|
||||
|
||||
/* SLT - set less then */
|
||||
MIPS_INS(SLT, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_SLT)
|
||||
|
||||
/* SLTI - set less then immediate */
|
||||
MIPS_INS(SLTI, .op = MIPS32R2_OP_SLTI)
|
||||
|
||||
/* SLTIU - set less then imemdiate unsigned */
|
||||
MIPS_INS(SLTIU, .op = MIPS32R2_OP_SLTIU)
|
||||
|
||||
/* SLTU - set less than unsigned */
|
||||
MIPS_INS(SLTU, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_SLTU)
|
||||
|
||||
/* SRA - shift right arithmetic */
|
||||
MIPS_INS(SRA, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_SRA)
|
||||
|
||||
/* SRAV - shift right arithmetic variable */
|
||||
MIPS_INS(SRAV, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_SRAV)
|
||||
|
||||
/* SRL - shift right logical */
|
||||
MIPS_INS(SRL, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_SRL)
|
||||
|
||||
/* SRLV - shift right logical variable */
|
||||
MIPS_INS(SRLV, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_SRLV)
|
||||
|
||||
/* SUB - subtract */
|
||||
MIPS_INS(SUB, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_SUB)
|
||||
|
||||
/* SUBU - subtract unsigned */
|
||||
MIPS_INS(SUBU, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_SUBU)
|
||||
|
||||
/* SUXC1 - store doubleword indexed unaligned from floating point */
|
||||
MIPS_INS(SUXC1, .op = MIPS32R2_OP_COP1X, .funct = MIPS32R2_FUNCT_SUXC1)
|
||||
|
||||
/* SW - store word */
|
||||
MIPS_INS(SW, .op = MIPS32R2_OP_SW)
|
||||
|
||||
/* SWC1 - store word floating point */
|
||||
MIPS_INS(SWC1, .op = MIPS32R2_OP_SWC1)
|
||||
|
||||
/* SWC2 - store eword cop2 */
|
||||
MIPS_INS(SWC2, .op = MIPS32R2_OP_SWC2)
|
||||
|
||||
/* SWL - store word left */
|
||||
MIPS_INS(SWL, .op = MIPS32R2_OP_SWL)
|
||||
|
||||
/* SWR - store word right */
|
||||
MIPS_INS(SWR, .op = MIPS32R2_OP_SWR)
|
||||
|
||||
/* SWXC1 - store word indexed from floating point */
|
||||
MIPS_INS(SWXC1, .op = MIPS32R2_OP_COP1X, .funct = MIPS32R2_FUNCT_SWXC1)
|
||||
|
||||
/* SYNC - synchronize shared memory */
|
||||
MIPS_INS(SYNC, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_SYNC)
|
||||
|
||||
/* SYNCI - synchronize caches to make instruction writes effective */
|
||||
MIPS_INS(SYNCI, .op = MIPS32R2_OP_REGIMM, .bfunct = MIPS32R2_FUNCT_SYNCI)
|
||||
|
||||
/* SYSCALL - syscall */
|
||||
MIPS_INS(SYSCALL, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_SYSCALL)
|
||||
|
||||
/* TEQ - trap if equal */
|
||||
MIPS_INS(TEQ, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_TEQ)
|
||||
|
||||
/* TEQI - trap if equal immediate */
|
||||
MIPS_INS(TEQI, .op = MIPS32R2_OP_REGIMM, .bfunct = MIPS32R2_FUNCT_TEQI)
|
||||
|
||||
/* TGE - trap if greater or equal */
|
||||
MIPS_INS(TGE, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_TGE)
|
||||
|
||||
/* TGEI - trap if greater or equal immediate */
|
||||
MIPS_INS(TGEI, .op = MIPS32R2_OP_REGIMM, .bfunct = MIPS32R2_FUNCT_TGEI)
|
||||
|
||||
/* TGEIU - trap if greater or equal immediate unsigned */
|
||||
MIPS_INS(TGEIU, .op = MIPS32R2_OP_REGIMM, .bfunct = MIPS32R2_FUNCT_TGEIU)
|
||||
|
||||
/* TGEU - trap if greater or equal unsigned */
|
||||
MIPS_INS(TGEU, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_TGEU)
|
||||
|
||||
/* TLBP - probe TLB for matching entry */
|
||||
MIPS_INS(TLBP, .op = MIPS32R2_OP_COP0, .c0 = 1, .funct = MIPS32R2_FUNCT_TLBP)
|
||||
|
||||
/* TLBR - read indexed TLB entry */
|
||||
MIPS_INS(TLBR, .op = MIPS32R2_OP_COP0, .c0 = 1, .funct = MIPS32R2_FUNCT_TLBR)
|
||||
|
||||
/* TLBWI - write indexed TLB entry */
|
||||
MIPS_INS(TLBWI, .op = MIPS32R2_OP_COP0, .c0 = 1, .funct = MIPS32R2_FUNCT_TLBWI)
|
||||
|
||||
/* TLBWR - write random TLB entry */
|
||||
MIPS_INS(TLBWR, .op = MIPS32R2_OP_COP0, .c0 = 1, .funct = MIPS32R2_FUNCT_TLBWR)
|
||||
|
||||
/* TLT - trap if less then */
|
||||
MIPS_INS(TLT, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_TLT)
|
||||
|
||||
/* TLTI - trap if less then immediate */
|
||||
MIPS_INS(TLTI, .op = MIPS32R2_OP_REGIMM, .bfunct = MIPS32R2_FUNCT_TLTI)
|
||||
|
||||
/* TLTIU - trap if less then immediate unsigned */
|
||||
MIPS_INS(TLTIU, .op = MIPS32R2_OP_REGIMM, .bfunct = MIPS32R2_FUNCT_TLTIU)
|
||||
|
||||
/* TLTU - trap if less then unsigned */
|
||||
MIPS_INS(TLTU, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_TLTU)
|
||||
|
||||
/* TNE - trap if not equal */
|
||||
MIPS_INS(TNE, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_TNE)
|
||||
|
||||
/* TNEI - trap if not equal immediate */
|
||||
MIPS_INS(TNEI, .op = MIPS32R2_OP_REGIMM, .bfunct = MIPS32R2_FUNCT_TNEI)
|
||||
|
||||
/* WAIT - enter standby mode */
|
||||
MIPS_INS(WAIT, .op = MIPS32R2_OP_COP0, .c0 = 1, .funct = MIPS32R2_FUNCT_WAIT)
|
||||
|
||||
/* WRPGRP - write to GPR in previous shadow set */
|
||||
MIPS_INS(WRPGPR, .op = MIPS32R2_OP_COP0, .cfunct = MIPS32R2_FUNCT_WRPGPR)
|
||||
|
||||
/* WSBH - word swap bytes within halfwords */
|
||||
MIPS_INS(WSBH, .op = MIPS32R2_OP_SPECIAL3, .funct = MIPS32R2_FUNCT_BSHFL,
|
||||
.shamt = MIPS32R2_FUNCT_WSBH)
|
||||
|
||||
/* XOR - exclusive or */
|
||||
MIPS_INS(XOR, .op = MIPS32R2_OP_SPECIAL, .funct = MIPS32R2_FUNCT_XOR)
|
||||
|
||||
/* XORI - exclusive or immediate */
|
||||
MIPS_INS(XORI, .op = MIPS32R2_OP_XORI)
|
||||
};
|
||||
|
||||
#undef MIPS_INS
|
||||
|
||||
|
||||
|
||||
|
||||
673
lib/mips32r6.c
673
lib/mips32r6.c
|
|
@ -24,111 +24,40 @@ struct mips32_grammer mips32r6_grammers[__MIPS32R6_GRAMMER_LEN] = {
|
|||
INS(ADDIU, ITYPE),
|
||||
INS(ADDU, RTYPE),
|
||||
INS(AND, RTYPE),
|
||||
INS(ADDI, ITYPE),
|
||||
INS(ANDI, ITYPE),
|
||||
INS(BC1F, "cc,offset"),
|
||||
INS(BC1FL, "cc,offset"),
|
||||
INS(BC1T, "cc,offset"),
|
||||
INS(BC1TL, "cc,offset"),
|
||||
INS(BC2F, "cc,offset"),
|
||||
INS(BC2FL, "cc,offset"),
|
||||
INS(BC2T, "cc,offset"),
|
||||
INS(BC2TL, "cc,offset"),
|
||||
INS(BAL, "offset"),
|
||||
INS(BALC, "target"),
|
||||
INS(BC, "target"),
|
||||
INS(BEQ, BRANCH),
|
||||
INS(BEQL, BRANCH),
|
||||
INS(BGEZ, BRANCHZ),
|
||||
INS(BGEZAL, BRANCHZ),
|
||||
INS(BGEZALL, BRANCHZ),
|
||||
INS(BGEZL, BRANCHZ),
|
||||
INS(BGTZ, BRANCHZ),
|
||||
INS(BGTZL, BRANCHZ),
|
||||
INS(BLEZ, BRANCHZ),
|
||||
INS(BLEZL, BRANCHZ),
|
||||
INS(BLTZ, BRANCHZ),
|
||||
INS(BLTZAL, BRANCHZ),
|
||||
INS(BLTZALL, BRANCHZ),
|
||||
INS(BLTZL, BRANCHZ),
|
||||
INS(BNE, BRANCH),
|
||||
INS(BNEL, BRANCH),
|
||||
INS(BREAK, "code"),
|
||||
INS(CACHE, "op,offset(base)"),
|
||||
INS(CFC1, "rt,fs"),
|
||||
INS(CFC2, "rt,rd"),
|
||||
INS(CLO, "rd,rs"),
|
||||
INS(CLZ, "rd,rs"),
|
||||
INS(COP2, "func"),
|
||||
INS(CTC1, "rt,fs"),
|
||||
INS(CTC2, "rt,rd"),
|
||||
INS(DERET, ""),
|
||||
INS(DI, "rt"),
|
||||
INS(DIV, RTYPE),
|
||||
INS(MOD, RTYPE),
|
||||
INS(DIVU, RTYPE),
|
||||
INS(EI, "rt"),
|
||||
INS(ERET, ""),
|
||||
INS(EXT, "rt,rs,pos,size"),
|
||||
INS(INS, "rt,rs,pos,size"),
|
||||
INS(MODU, RTYPE),
|
||||
INS(J, JTYPE),
|
||||
INS(JAL, JTYPE),
|
||||
INS(JALR, "rs"),
|
||||
INS(JR, "rs"),
|
||||
INS(LB, LOAD),
|
||||
INS(LBU, LOAD),
|
||||
INS(LDC1, "ft,offset(base)"),
|
||||
INS(LDC2, LOAD),
|
||||
INS(LDXC1, "fd,index(base)"),
|
||||
INS(LH, LOAD),
|
||||
INS(LHU, LOAD),
|
||||
INS(LL, LOAD),
|
||||
INS(LUI, "rt,immd"),
|
||||
INS(LUXC1, "fd,index(base)"),
|
||||
INS(LW, LOAD),
|
||||
INS(LWC1, "ft,offset(base)"),
|
||||
INS(LWC2, LOAD),
|
||||
INS(LWL, LOAD),
|
||||
INS(LWR, LOAD),
|
||||
INS(LWXC1, "fd,index(base)"),
|
||||
INS(MADD, "rs,rt"),
|
||||
INS(MADDU, "rs,rt"),
|
||||
INS(MFC0, "rt,rd"),
|
||||
INS(MFC1, "rt,fs"),
|
||||
INS(MFC2, "rt,rd"),
|
||||
INS(MFHC1, "rt,fs"),
|
||||
INS(MFHC2, "rt,rd"),
|
||||
INS(MFHI, "rd"),
|
||||
INS(MFLO, "rd"),
|
||||
INS(MOVF, "rd,rs,cc"),
|
||||
INS(MOVN, RTYPE),
|
||||
INS(MOVT, "rd,rs,cc"),
|
||||
INS(MOVZ, RTYPE),
|
||||
INS(MSUB, "rs,rt"),
|
||||
INS(MSUBU, "rs,rt"),
|
||||
INS(MTC0, "rt,rd"),
|
||||
INS(MTC1, "rt,fs"),
|
||||
INS(MTC2, "rt,rd"),
|
||||
INS(MTHC1, "rt,fs"),
|
||||
INS(MTHC2, "rt,rd"),
|
||||
INS(MTHI, "rs"),
|
||||
INS(MTLO, "rs"),
|
||||
INS(MUL, RTYPE),
|
||||
INS(MULT, "rs,rt"),
|
||||
INS(MULTU, "rs,rt"),
|
||||
INS(NOR, RTYPE),
|
||||
INS(OR, RTYPE),
|
||||
INS(ORI, ITYPE),
|
||||
INS(PREF, "hint,offset(base)"),
|
||||
INS(PREFX, "hint,index(base)"),
|
||||
INS(RDHWR, "rt,rd"),
|
||||
INS(RDPGPR, "rd,rt"),
|
||||
INS(ROTR, SHIFT),
|
||||
INS(ROTRV, SHIFTV),
|
||||
INS(MUH, RTYPE),
|
||||
INS(MULU, RTYPE),
|
||||
INS(MUHU, RTYPE),
|
||||
INS(SB, LOAD),
|
||||
INS(SC, LOAD),
|
||||
INS(SDBBP, "code"),
|
||||
INS(SDC1, "ft,offset(base)"),
|
||||
INS(SDC2, LOAD),
|
||||
INS(SDXC1, "fs,index(base)"),
|
||||
INS(SEB, "rd,rt"),
|
||||
INS(SEH, "rd,rt"),
|
||||
INS(SH, LOAD),
|
||||
INS(SW, LOAD),
|
||||
INS(SLL, SHIFT),
|
||||
INS(SLLV, SHIFTV),
|
||||
INS(SLT, RTYPE),
|
||||
|
|
@ -141,206 +70,19 @@ struct mips32_grammer mips32r6_grammers[__MIPS32R6_GRAMMER_LEN] = {
|
|||
INS(SRLV, SHIFT),
|
||||
INS(SUB, RTYPE),
|
||||
INS(SUBU, RTYPE),
|
||||
INS(SUXC1, "fs,index(base)"),
|
||||
INS(SW, LOAD),
|
||||
INS(SWC1, "ft,offset(base)"),
|
||||
INS(SWC2, LOAD),
|
||||
INS(SWL, LOAD),
|
||||
INS(SWR, LOAD),
|
||||
INS(SWXC1, "fs,index(base)"),
|
||||
INS(SYNC, ""),
|
||||
INS(SYNCI, "offest(base)"),
|
||||
INS(SYSCALL, ""),
|
||||
INS(TEQ, "rs,rt"),
|
||||
INS(TEQI, "rs,immd"),
|
||||
INS(TGE, "rs,rt"),
|
||||
INS(TGEI, "rs,immd"),
|
||||
INS(TGEIU, "rs,immd"),
|
||||
INS(TGEU, "rs,rt"),
|
||||
INS(TLBP, ""),
|
||||
INS(TLBR, ""),
|
||||
INS(TLBWI, ""),
|
||||
INS(TLBWR, ""),
|
||||
INS(TLT, "rs,rt"),
|
||||
INS(TLTI, "rs,immd"),
|
||||
INS(TLTIU, "rs,immd"),
|
||||
INS(TLTU, "rs,rt"),
|
||||
INS(TNE, "rs,rt"),
|
||||
INS(TNEI, "rs,immd"),
|
||||
INS(WAIT, ""),
|
||||
INS(WRPGPR, "rd,rt"),
|
||||
INS(OR, RTYPE),
|
||||
INS(ORI, ITYPE),
|
||||
INS(NOR, RTYPE),
|
||||
INS(XOR, RTYPE),
|
||||
INS(XORI, ITYPE),
|
||||
|
||||
// pseudo instructions
|
||||
|
||||
PSEUDO("abs", "rd,rs", 3, {
|
||||
{MIPS32R6_INS_SRA, "rd=$at,rt=rs,sa=31"},
|
||||
{MIPS32R6_INS_ADD, "rd,rs,rt=$at"},
|
||||
{MIPS32R6_INS_XOR, "rd,rs=rd,rt=$at"},
|
||||
}),
|
||||
|
||||
PSEUDO("div", "rd,rt,rs", 2, {
|
||||
{MIPS32R6_INS_DIV, "rt,rs"},
|
||||
{MIPS32R6_INS_MFLO, "rd"},
|
||||
}),
|
||||
|
||||
PSEUDO("divu", "rd,rt,rs", 2, {
|
||||
{MIPS32R6_INS_DIVU, "rt,rs"},
|
||||
{MIPS32R6_INS_MFLO, "rd"},
|
||||
}),
|
||||
|
||||
PSEUDO("mulo", "rd,rt,rs", 2, {
|
||||
{MIPS32R6_INS_MULT, "rt,rs"},
|
||||
{MIPS32R6_INS_MFLO, "rd"},
|
||||
}),
|
||||
|
||||
PSEUDO("mulou", "rd,rt,rs", 2, {
|
||||
{MIPS32R6_INS_MULTU, "rt,rs"},
|
||||
{MIPS32R6_INS_MFLO, "rd"},
|
||||
}),
|
||||
|
||||
PSEUDO("neg", "rd,rt", 1, {
|
||||
{MIPS32R6_INS_SUB, "rd,rs=$zero,rt"},
|
||||
}),
|
||||
|
||||
PSEUDO("negu", "rd,rt", 1, {
|
||||
{MIPS32R6_INS_SUBU, "rd,rs=$zero,rt"},
|
||||
}),
|
||||
|
||||
PSEUDO("not", "rd,rt", 1, {
|
||||
{MIPS32R6_INS_NOR, "rd,rs=$zero,rt"},
|
||||
}),
|
||||
|
||||
PSEUDO("rem", "rd,rt,rs", 2, {
|
||||
{MIPS32R6_INS_DIV, "rt,rs"},
|
||||
{MIPS32R6_INS_MFHI, "rd"},
|
||||
}),
|
||||
|
||||
PSEUDO("remu", "rd,rt,rs", 2, {
|
||||
{MIPS32R6_INS_DIVU, "rt,rs"},
|
||||
{MIPS32R6_INS_MFHI, "rd"},
|
||||
}),
|
||||
|
||||
// TODO: rol
|
||||
|
||||
// TODO: ror
|
||||
|
||||
PSEUDO("subi", "rt,rs,immd", 1, {
|
||||
{MIPS32R6_INS_ADDI, "rt,rs,-immd"},
|
||||
}),
|
||||
|
||||
PSEUDO("li", "rt,immd", 1, {
|
||||
{MIPS32R6_INS_ADDI, "rt,immd"}
|
||||
}),
|
||||
|
||||
PSEUDO("seq", "rd,rs,rt", 3, {
|
||||
{MIPS32R6_INS_SLT, "rd,rs,rt"},
|
||||
{MIPS32R6_INS_SLT, "rd=$at,rs,rt"},
|
||||
{MIPS32R6_INS_NOR, "rd,rs=rd,rt=$at"},
|
||||
}),
|
||||
|
||||
PSEUDO("sgt", "rd,rs,rt", 1, {
|
||||
{MIPS32R6_INS_SLT, "rd,rs=rt,rt=rs"},
|
||||
}),
|
||||
|
||||
PSEUDO("sgtu", "rd,rs,rt", 1, {
|
||||
{MIPS32R6_INS_SLTU, "rd,rs=rt,rt=rs"},
|
||||
}),
|
||||
|
||||
PSEUDO("sge", "rd,rs,rt", 2, {
|
||||
{MIPS32R6_INS_SLT, "rd,rs,rt"},
|
||||
{MIPS32R6_INS_SLTI, "rt=rd,rs=rd,immd=1"},
|
||||
}),
|
||||
|
||||
PSEUDO("sgeu", "rd,rs,rt", 2, {
|
||||
{MIPS32R6_INS_SLTU, "rd,rs,rt"},
|
||||
{MIPS32R6_INS_SLTI, "rt=rd,rs=rd,immd=1"},
|
||||
}),
|
||||
|
||||
PSEUDO("slte", "rd,rs,rt", 2, {
|
||||
{MIPS32R6_INS_SLT, "rd,rs=rt,rt=rs"},
|
||||
{MIPS32R6_INS_SLTI, "rt=rd,rs=rd,immd=1"},
|
||||
}),
|
||||
|
||||
PSEUDO("slteu", "rd,rs,rt", 2, {
|
||||
{MIPS32R6_INS_SLTU, "rd,rs=rt,rt=rs"},
|
||||
{MIPS32R6_INS_SLTI, "rt=rd,rs=rd,immd=1"},
|
||||
}),
|
||||
|
||||
PSEUDO("sne", "rd,rs,rt", 3, {
|
||||
{MIPS32R6_INS_SLT, "rd,rs,rt"},
|
||||
{MIPS32R6_INS_SLT, "rd=$at,rs,rt"},
|
||||
{MIPS32R6_INS_OR, "rd,rs=rd,rt=$at"},
|
||||
}),
|
||||
|
||||
PSEUDO("jalr.hb", "rs", 1, {
|
||||
{MIPS32R6_INS_JALR, "rs,hb=1"}
|
||||
}),
|
||||
|
||||
PSEUDO("jr.hb", "rs", 1, {
|
||||
{MIPS32R6_INS_JR, "rs,hb=1"}
|
||||
}),
|
||||
|
||||
|
||||
PSEUDO("b", "offset", 1, {
|
||||
{MIPS32R6_INS_BEQ, "rs=$zero,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("beqz", "rs,offset", 1, {
|
||||
{MIPS32R6_INS_BEQ, "rs,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bge", "rs,rt,offset", 2, {
|
||||
{MIPS32R6_INS_SLT, "rd=$at,rs,rt"},
|
||||
{MIPS32R6_INS_BNE, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bgeu", "rs,rt,offset", 2, {
|
||||
{MIPS32R6_INS_SLTU, "rd=$at,rs,rt"},
|
||||
{MIPS32R6_INS_BNE, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bge", "rs,rt,offset", 2, {
|
||||
{MIPS32R6_INS_SLT, "rd=$at,rs,rt"},
|
||||
{MIPS32R6_INS_BEQ, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bgeu", "rs,rt,offset", 2, {
|
||||
{MIPS32R6_INS_SLTU, "rd=$at,rs,rt"},
|
||||
{MIPS32R6_INS_BEQ, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("ble", "rs,rt,offset", 2, {
|
||||
{MIPS32R6_INS_SLT, "rd=$at,rs=rt,rt=rs"},
|
||||
{MIPS32R6_INS_BEQ, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bleu", "rs,rt,offset", 2, {
|
||||
{MIPS32R6_INS_SLT, "rd=$at,rs=rt,rt=rs"},
|
||||
{MIPS32R6_INS_BEQ, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("blt", "rs,rt,offset", 2, {
|
||||
{MIPS32R6_INS_SLT, "rd=$at,rs,rt"},
|
||||
{MIPS32R6_INS_BNE, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bltu", "rs,rt,offset", 2, {
|
||||
{MIPS32R6_INS_SLTU, "rd=$at,rs,rt"},
|
||||
{MIPS32R6_INS_BNE, "rs=$at,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
PSEUDO("bnez", "rs,offset", 1, {
|
||||
{MIPS32R6_INS_BNE, "rs,rt=$zero,offset"},
|
||||
}),
|
||||
|
||||
// TODO: ld
|
||||
|
||||
// TODO: load unaligned
|
||||
|
||||
// TODO: store unaligned
|
||||
|
||||
PSEUDO("la", "rt,target", 2, {
|
||||
{MIPS32R6_INS_LUI, "rt=$at,hi"},
|
||||
{MIPS32R6_INS_ORI, "rt,rs=$at,lo"},
|
||||
|
|
@ -353,14 +95,6 @@ struct mips32_grammer mips32r6_grammers[__MIPS32R6_GRAMMER_LEN] = {
|
|||
PSEUDO("nop", "", 1, {
|
||||
{MIPS32R6_INS_SLL, ""},
|
||||
}),
|
||||
|
||||
PSEUDO("ssnop", "", 1, {
|
||||
{MIPS32R6_INS_SLL, "sa=1"},
|
||||
}),
|
||||
|
||||
PSEUDO("ehb", "", 1, {
|
||||
{MIPS32R6_INS_SLL, "sa=3"}
|
||||
}),
|
||||
};
|
||||
|
||||
#define MIPS_INS(ins, ...) \
|
||||
|
|
@ -385,138 +119,54 @@ MIPS_INS(AND, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_AND)
|
|||
/* ANDI - and immediate */
|
||||
MIPS_INS(ANDI, .op = MIPS32R6_OP_ANDI)
|
||||
|
||||
/* BC1F - branch on cop1 false */
|
||||
MIPS_INS(BC1F, .op = MIPS32R6_OP_COP1, .cfunct = MIPS32R6_FUNCT_BC,
|
||||
.nd = 0, .tf = 0)
|
||||
/* BAL - branch and link */
|
||||
MIPS_INS(BAL, .op = MIPS32R6_OP_REGIMM, .bfunct = MIPS32R6_FUNCT_BAL)
|
||||
|
||||
/* BC1FL - branch on cop1 false likely */
|
||||
MIPS_INS(BC1FL, .op = MIPS32R6_OP_COP1, .cfunct = MIPS32R6_FUNCT_BC,
|
||||
.nd = 1, .tf = 0)
|
||||
/* BALC - branch and link, compact */
|
||||
MIPS_INS(BALC, .op = MIPS32R6_OP_BALC)
|
||||
|
||||
/* BC1T - branch on cop1 true */
|
||||
MIPS_INS(BC1T, .op = MIPS32R6_OP_COP1, .cfunct = MIPS32R6_FUNCT_BC,
|
||||
.nd = 0, .tf = 1)
|
||||
|
||||
/* BC1TL - branch on cop1 true likely */
|
||||
MIPS_INS(BC1TL, .op = MIPS32R6_OP_COP1, .cfunct = MIPS32R6_FUNCT_BC,
|
||||
.nd = 1, .tf = 1)
|
||||
|
||||
/* BC2F - branch on cop1 false */
|
||||
MIPS_INS(BC2F, .op = MIPS32R6_OP_COP2, .cfunct = MIPS32R6_FUNCT_BC,
|
||||
.nd = 0, .tf = 0)
|
||||
|
||||
/* BC2FL - branch on cop1 false likely */
|
||||
MIPS_INS(BC2FL, .op = MIPS32R6_OP_COP2, .cfunct = MIPS32R6_FUNCT_BC,
|
||||
.nd = 1, .tf = 0)
|
||||
|
||||
/* BC2T - branch on cop1 true */
|
||||
MIPS_INS(BC2T, .op = MIPS32R6_OP_COP2, .cfunct = MIPS32R6_FUNCT_BC,
|
||||
.nd = 0, .tf = 1)
|
||||
|
||||
/* BC2TL - branch on cop1 true likely */
|
||||
MIPS_INS(BC2TL, .op = MIPS32R6_OP_COP2, .cfunct = MIPS32R6_FUNCT_BC,
|
||||
.nd = 1, .tf = 1)
|
||||
/* BC - branch, compact */
|
||||
MIPS_INS(BC, .op = MIPS32R6_OP_BC)
|
||||
|
||||
/* BEQ - branch on equal */
|
||||
MIPS_INS(BEQ, .op = MIPS32R6_OP_BEQ)
|
||||
|
||||
/* BEQL - branch on equal likely */
|
||||
MIPS_INS(BEQL, .op = MIPS32R6_OP_BEQL)
|
||||
|
||||
/* BGEZ - branch on greater than or equal to zero */
|
||||
MIPS_INS(BGEZ, .op = MIPS32R6_OP_REGIMM, .bfunct = MIPS32R6_FUNCT_BGEZ)
|
||||
|
||||
/* BGEZAL - branch on greater than or equal to zero and link */
|
||||
MIPS_INS(BGEZAL, .op = MIPS32R6_OP_REGIMM, .bfunct = MIPS32R6_FUNCT_BGEZAL)
|
||||
|
||||
/* BGEZALL - branch on greater than or equal to zero and link likely */
|
||||
MIPS_INS(BGEZALL, .op = MIPS32R6_OP_REGIMM, .bfunct = MIPS32R6_FUNCT_BGEZALL)
|
||||
|
||||
/* BGEZL - branch on greater than or equal to zero likely */
|
||||
MIPS_INS(BGEZL, .op = MIPS32R6_OP_REGIMM, .bfunct = MIPS32R6_FUNCT_BGEZL)
|
||||
|
||||
/* BGTZ - branch on greater than zero */
|
||||
MIPS_INS(BGTZ, .op = MIPS32R6_OP_BGTZ)
|
||||
|
||||
/* BGTZL - branch on greater than zero likely */
|
||||
MIPS_INS(BGTZL, .op = MIPS32R6_OP_BGTZL)
|
||||
|
||||
/* BLEZ - branch on less than or equal to zero */
|
||||
MIPS_INS(BLEZ, .op = MIPS32R6_OP_BLEZ)
|
||||
|
||||
/* BLEZL - branch on less than or equal to zero likely */
|
||||
MIPS_INS(BLEZL, .op = MIPS32R6_OP_BLEZL)
|
||||
|
||||
/* BLTZ - branch on less than zero */
|
||||
MIPS_INS(BLTZ, .op = MIPS32R6_OP_REGIMM, .bfunct = MIPS32R6_FUNCT_BLTZ)
|
||||
|
||||
/* BLTZAL - branch on less than zero and link */
|
||||
MIPS_INS(BLTZAL, .op = MIPS32R6_OP_REGIMM, .bfunct = MIPS32R6_FUNCT_BLTZAL)
|
||||
|
||||
/* BLTZALL - branch on less than zero and link likely */
|
||||
MIPS_INS(BLTZALL, .op = MIPS32R6_OP_REGIMM, .bfunct = MIPS32R6_FUNCT_BLTZALL)
|
||||
|
||||
/* BLTZL - branch on less than zero likely */
|
||||
MIPS_INS(BLTZL, .op = MIPS32R6_OP_REGIMM, .bfunct = MIPS32R6_FUNCT_BLTZL)
|
||||
|
||||
/* BNE - branch on not equal */
|
||||
MIPS_INS(BNE, .op = MIPS32R6_OP_BNE)
|
||||
|
||||
/* BNEL - branch on not equal likely */
|
||||
MIPS_INS(BNEL, .op = MIPS32R6_OP_BNEL)
|
||||
|
||||
/* BREAK - breakpoint */
|
||||
MIPS_INS(BREAK, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_BREAK)
|
||||
|
||||
/* CACHE - perform cache operation */
|
||||
MIPS_INS(CACHE, .op = MIPS32R6_OP_CACHE)
|
||||
|
||||
/* CFC1 - move control word from floating point */
|
||||
MIPS_INS(CFC1, .op = MIPS32R6_OP_COP1, .cfunct = MIPS32R6_FUNCT_CF)
|
||||
|
||||
/* CFC2 - move control word from coprocessor 2 */
|
||||
MIPS_INS(CFC2, .op = MIPS32R6_OP_COP2, .cfunct = MIPS32R6_FUNCT_CF)
|
||||
|
||||
/* CLO - count leading ones */
|
||||
MIPS_INS(CLO, .op = MIPS32R6_OP_SPECIAL2, .funct = MIPS32R6_FUNCT_CLO)
|
||||
|
||||
/* CLZ - count leading zeros */
|
||||
MIPS_INS(CLZ, .op = MIPS32R6_OP_SPECIAL2, .funct = MIPS32R6_FUNCT_CLZ)
|
||||
|
||||
/* COP2 - coprocessor operation to coprocessor 2 */
|
||||
MIPS_INS(COP2, .op = MIPS32R6_OP_COP2, .c0 = 1)
|
||||
|
||||
/* CTC1 - move control word to floating point */
|
||||
MIPS_INS(CTC1, .op = MIPS32R6_OP_COP1, .cfunct = MIPS32R6_FUNCT_CT)
|
||||
|
||||
/* CTC2 - move control word to coprocessor 2 */
|
||||
MIPS_INS(CTC2, .op = MIPS32R6_OP_COP2, .cfunct = MIPS32R6_FUNCT_CT)
|
||||
|
||||
/* DERET - debug exception return */
|
||||
MIPS_INS(DERET, .op = MIPS32R6_OP_COP0, .c0 = 1, .funct = MIPS32R6_FUNCT_DERET)
|
||||
|
||||
/* DI - disable interupts */
|
||||
MIPS_INS(DI, .op = MIPS32R6_OP_COP0, .cfunct = MIPS32R6_FUNCT_MFMC0,
|
||||
.rd = 12, .sc = 0)
|
||||
|
||||
/* DIV - divide */
|
||||
MIPS_INS(DIV, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_DIV)
|
||||
MIPS_INS(DIV, .op = MIPS32R6_OP_SPECIAL, .shamt = MIPS32R6_SOP32_DIV,
|
||||
.funct = MIPS32R6_FUNCT_SOP32)
|
||||
|
||||
/* MOD - modulo */
|
||||
MIPS_INS(MOD, .op = MIPS32R6_OP_SPECIAL, .shamt = MIPS32R6_SOP32_MOD,
|
||||
.funct = MIPS32R6_FUNCT_SOP32)
|
||||
|
||||
/* DIVU - divide unsigned */
|
||||
MIPS_INS(DIVU, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_DIVU)
|
||||
MIPS_INS(DIVU, .op = MIPS32R6_OP_SPECIAL, .shamt = MIPS32R6_SOP33_DIVU,
|
||||
.funct = MIPS32R6_FUNCT_SOP33)
|
||||
|
||||
/* EI - enable interupts */
|
||||
MIPS_INS(EI, .op = MIPS32R6_OP_COP0, .cfunct = MIPS32R6_FUNCT_MFMC0,
|
||||
.rd = 12, .sc = 1)
|
||||
|
||||
/* ERET - exception return */
|
||||
MIPS_INS(ERET, .op = MIPS32R6_OP_COP0, .c0 = 1, .funct = MIPS32R6_FUNCT_ERET)
|
||||
|
||||
/* ERT - extract bit field */
|
||||
MIPS_INS(EXT, .op = MIPS32R6_OP_SPECIAL3, .funct = MIPS32R6_FUNCT_EXT)
|
||||
|
||||
/* INS - insert bit field */
|
||||
MIPS_INS(INS, .op = MIPS32R6_OP_SPECIAL3, .funct = MIPS32R6_FUNCT_INS)
|
||||
/* MODU - modulo unsigned */
|
||||
MIPS_INS(MODU, .op = MIPS32R6_OP_SPECIAL, .shamt = MIPS32R6_SOP33_MODU,
|
||||
.funct = MIPS32R6_FUNCT_SOP33)
|
||||
|
||||
/* J - jump */
|
||||
MIPS_INS(J, .op = MIPS32R6_OP_J)
|
||||
|
|
@ -528,6 +178,9 @@ MIPS_INS(JAL, .op = MIPS32R6_OP_JAL)
|
|||
MIPS_INS(JALR, .rd = MIPS32_REG_RA, .op = MIPS32R6_OP_SPECIAL,
|
||||
.funct = MIPS32R6_FUNCT_JALR)
|
||||
|
||||
/* JALX - jump and link exchange */
|
||||
MIPS_INS(JALX, .op = MIPS32R6_OP_JALX)
|
||||
|
||||
/* JR - jump register */
|
||||
MIPS_INS(JR, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_JR)
|
||||
|
||||
|
|
@ -537,182 +190,43 @@ MIPS_INS(LB, .op = MIPS32R6_OP_LB)
|
|||
/* LBU - load byte unsigned */
|
||||
MIPS_INS(LBU, .op = MIPS32R6_OP_LBU)
|
||||
|
||||
/* LDC1 - load doubleword floating point */
|
||||
MIPS_INS(LDC1, .op = MIPS32R6_OP_LDC1)
|
||||
|
||||
/* LDC2 - load doubleword cop2 */
|
||||
MIPS_INS(LDC2, .op = MIPS32R6_OP_LDC2)
|
||||
|
||||
/* LDXC1 - load doubleword indexed to floating point */
|
||||
MIPS_INS(LDXC1, .op = MIPS32R6_OP_COP1X, .funct = MIPS32R6_FUNCT_LDXC1)
|
||||
|
||||
/* LH - load half */
|
||||
MIPS_INS(LH, .op = MIPS32R6_OP_LH)
|
||||
|
||||
/* LHU - load half unsigned */
|
||||
MIPS_INS(LHU, .op = MIPS32R6_OP_LHU)
|
||||
|
||||
/* LK - load linked */
|
||||
MIPS_INS(LL, .op = MIPS32R6_OP_LL)
|
||||
|
||||
/* LUI - load upper immediate */
|
||||
MIPS_INS(LUI, .op = MIPS32R6_OP_LUI)
|
||||
|
||||
/* LUXC1 - load doubleword indexed unaligned to floating point */
|
||||
MIPS_INS(LUXC1, .op = MIPS32R6_OP_COP1X, .funct = MIPS32R6_FUNCT_LUXC1)
|
||||
|
||||
/* LW - load word */
|
||||
MIPS_INS(LW, .op = MIPS32R6_OP_LW)
|
||||
|
||||
/* LDC1 - load word floating point */
|
||||
MIPS_INS(LWC1, .op = MIPS32R6_OP_LWC1)
|
||||
/* MUL - multiply low word */
|
||||
MIPS_INS(MUL, .op = MIPS32R6_OP_SPECIAL, .shamt = MIPS32R6_SOP30_MUL,
|
||||
.funct = MIPS32R6_FUNCT_SOP30)
|
||||
|
||||
/* LDC2 - load eword cop2 */
|
||||
MIPS_INS(LWC2, .op = MIPS32R6_OP_LWC2)
|
||||
/* MUH - multiply high word */
|
||||
MIPS_INS(MUH, .op = MIPS32R6_OP_SPECIAL, .shamt = MIPS32R6_SOP30_MUH,
|
||||
.funct = MIPS32R6_FUNCT_SOP30)
|
||||
|
||||
/* LWL - load word left */
|
||||
MIPS_INS(LWL, .op = MIPS32R6_OP_LWL)
|
||||
/* MULU - multiply low word unsigned */
|
||||
MIPS_INS(MULU, .op = MIPS32R6_OP_SPECIAL, .shamt = MIPS32R6_SOP31_MULU,
|
||||
.funct = MIPS32R6_FUNCT_SOP31)
|
||||
|
||||
/* LWR - load word right */
|
||||
MIPS_INS(LWR, .op = MIPS32R6_OP_LWR)
|
||||
|
||||
/* LWXC1 - load word indexed to floating point */
|
||||
MIPS_INS(LWXC1, .op = MIPS32R6_OP_COP1X, .funct = MIPS32R6_FUNCT_LWXC1)
|
||||
|
||||
/* MADD - multiply and add words to hi,lo */
|
||||
MIPS_INS(MADD, .op = MIPS32R6_OP_SPECIAL2, .funct = MIPS32R6_FUNCT_MADD)
|
||||
|
||||
/* MADDU - multiply and add unsigned words to hi,lo */
|
||||
MIPS_INS(MADDU, .op = MIPS32R6_OP_SPECIAL2, .funct = MIPS32R6_FUNCT_MADDU)
|
||||
|
||||
/* MFC0 - move from cop0 */
|
||||
MIPS_INS(MFC0, .op = MIPS32R6_OP_COP0, .cfunct = MIPS32R6_FUNCT_MF)
|
||||
|
||||
/* MFC1 - move from floating point */
|
||||
MIPS_INS(MFC1, .op = MIPS32R6_OP_COP1, .cfunct = MIPS32R6_FUNCT_MF)
|
||||
|
||||
/* MFC2 - move from cop2 */
|
||||
MIPS_INS(MFC2, .op = MIPS32R6_OP_COP0, .cfunct = MIPS32R6_FUNCT_MF)
|
||||
|
||||
/* MFHC1 - move word from high half of floating point register */
|
||||
MIPS_INS(MFHC1, .op = MIPS32R6_OP_COP1, .cfunct = MIPS32R6_FUNCT_MFH)
|
||||
|
||||
/* MFHC2 - move word from high half of cop2 */
|
||||
MIPS_INS(MFHC2, .op = MIPS32R6_OP_COP2, .cfunct = MIPS32R6_FUNCT_MFH)
|
||||
|
||||
/* MFHI - move from hi register */
|
||||
MIPS_INS(MFHI, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_MFHI)
|
||||
|
||||
/* MFLO - move from lo register */
|
||||
MIPS_INS(MFLO, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_MFLO)
|
||||
|
||||
/* MOVF - move on floating point false */
|
||||
MIPS_INS(MOVF, .op = MIPS32R6_OP_SPECIAL, .tf = 0,
|
||||
.funct = MIPS32R6_FUNCT_MOVCL)
|
||||
|
||||
/* MOVN - move conditional on non zero */
|
||||
MIPS_INS(MOVN, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_MOVN)
|
||||
|
||||
/* MOVT - move on floating point true */
|
||||
MIPS_INS(MOVT, .op = MIPS32R6_OP_SPECIAL, .tf = 1,
|
||||
.funct = MIPS32R6_FUNCT_MOVCL)
|
||||
|
||||
/* MOVZ - move conditional on zero */
|
||||
MIPS_INS(MOVZ, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_MOVZ)
|
||||
|
||||
/* MSUB - multiply and add words to hi,lo */
|
||||
MIPS_INS(MSUB, .op = MIPS32R6_OP_SPECIAL2, .funct = MIPS32R6_FUNCT_MSUB)
|
||||
|
||||
/* MSUBU - multiply and add unsigned words to hi,lo */
|
||||
MIPS_INS(MSUBU, .op = MIPS32R6_OP_SPECIAL2, .funct = MIPS32R6_FUNCT_MSUBU)
|
||||
|
||||
/* MTC0 - move to cop0 */
|
||||
MIPS_INS(MTC0, .op = MIPS32R6_OP_COP0, .cfunct = MIPS32R6_FUNCT_MT)
|
||||
|
||||
/* MTC1 - move to floating point */
|
||||
MIPS_INS(MTC1, .op = MIPS32R6_OP_COP1, .cfunct = MIPS32R6_FUNCT_MT)
|
||||
|
||||
/* MTC2 - move to cop2 */
|
||||
MIPS_INS(MTC2, .op = MIPS32R6_OP_COP0, .cfunct = MIPS32R6_FUNCT_MT)
|
||||
|
||||
/* MTHC1 - move word to high half of floating point register */
|
||||
MIPS_INS(MTHC1, .op = MIPS32R6_OP_COP1, .cfunct = MIPS32R6_FUNCT_MTH)
|
||||
|
||||
/* MTHC2 - move word to high half of cop2 */
|
||||
MIPS_INS(MTHC2, .op = MIPS32R6_OP_COP2, .cfunct = MIPS32R6_FUNCT_MTH)
|
||||
|
||||
/* MTHI - move to hi register */
|
||||
MIPS_INS(MTHI, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_MTHI)
|
||||
|
||||
/* MTLO - move to lo register */
|
||||
MIPS_INS(MTLO, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_MTLO)
|
||||
|
||||
/* MUL - multiply word to GPR */
|
||||
MIPS_INS(MUL, .op = MIPS32R6_OP_SPECIAL2, .funct = MIPS32R6_FUNCT_MUL)
|
||||
|
||||
/* MULT - multiply word */
|
||||
MIPS_INS(MULT, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_MULT)
|
||||
|
||||
/* MULTU - multiply unsigned word */
|
||||
MIPS_INS(MULTU, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_MULTU)
|
||||
|
||||
/* NOR - not or */
|
||||
MIPS_INS(NOR, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_NOR)
|
||||
|
||||
/* OR - or */
|
||||
MIPS_INS(OR, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_OR)
|
||||
|
||||
/* ORI - or imemdiate */
|
||||
MIPS_INS(ORI, .op = MIPS32R6_OP_ORI)
|
||||
|
||||
/* PREF - prefetch */
|
||||
MIPS_INS(PREF, .op = MIPS32R6_OP_PREF)
|
||||
|
||||
/* PREFX - prefetch indexed */
|
||||
MIPS_INS(PREFX, .op = MIPS32R6_OP_COP1X, .funct = MIPS32R6_FUNCT_PREFX)
|
||||
|
||||
/* RDHWR - read hardware register */
|
||||
MIPS_INS(RDHWR, .op = MIPS32R6_OP_SPECIAL3, .funct = MIPS32R6_FUNCT_RDHWR)
|
||||
|
||||
/* RDPGPR - read gpr from previous shadow set */
|
||||
MIPS_INS(RDPGPR, .op = MIPS32R6_OP_COP0, .cfunct = MIPS32R6_FUNCT_RDPGPR)
|
||||
|
||||
/* ROTR - rotate word right */
|
||||
MIPS_INS(ROTR, .op = MIPS32R6_OP_SPECIAL, .r = 1, .funct = MIPS32R6_FUNCT_SRL)
|
||||
|
||||
/* ROTRV - rotate word right variable */
|
||||
MIPS_INS(ROTRV, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_SRLV,
|
||||
.rv = 1)
|
||||
/* MUHU - multiply high word unsgined */
|
||||
MIPS_INS(MUHU, .op = MIPS32R6_OP_SPECIAL, .shamt = MIPS32R6_SOP31_MUHU,
|
||||
.funct = MIPS32R6_FUNCT_SOP31)
|
||||
|
||||
/* SB - store byte */
|
||||
MIPS_INS(SB, .op = MIPS32R6_OP_SB)
|
||||
|
||||
/* SC - store conditional word */
|
||||
MIPS_INS(SC, .op = MIPS32R6_OP_SC)
|
||||
|
||||
/* SDBBP - software debug breakpoint */
|
||||
MIPS_INS(SDBBP, .op = MIPS32R6_OP_SPECIAL2, .funct = MIPS32R6_FUNCT_SDBBP)
|
||||
|
||||
/* SDC1 - store doubleword floating point */
|
||||
MIPS_INS(SDC1, .op = MIPS32R6_OP_SDC1)
|
||||
|
||||
/* SDC2 - store doubleword cop2 */
|
||||
MIPS_INS(SDC2, .op = MIPS32R6_OP_SDC2)
|
||||
|
||||
/* SDXC1 - store doubleword indexed from floating point */
|
||||
MIPS_INS(SDXC1, .op = MIPS32R6_OP_COP1X, .funct = MIPS32R6_FUNCT_SDXC1)
|
||||
|
||||
/* SEB - sign extend byte */
|
||||
MIPS_INS(SEB, .op = MIPS32R6_OP_SPECIAL3, .shamt = MIPS32R6_FUNCT_SEB,
|
||||
.funct = MIPS32R6_FUNCT_BSHFL)
|
||||
|
||||
/* SEH - sign extend halfword */
|
||||
MIPS_INS(SEH, .op = MIPS32R6_OP_SPECIAL3, .shamt = MIPS32R6_FUNCT_SEH,
|
||||
.funct = MIPS32R6_FUNCT_BSHFL)
|
||||
|
||||
/* SH - store half */
|
||||
MIPS_INS(SH, .op = MIPS32R6_OP_SH)
|
||||
|
||||
/* SW - store word */
|
||||
MIPS_INS(SW, .op = MIPS32R6_OP_SW)
|
||||
|
||||
/* SLL - shift left logical */
|
||||
MIPS_INS(SLL, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_SLL)
|
||||
|
||||
|
|
@ -749,93 +263,17 @@ MIPS_INS(SUB, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_SUB)
|
|||
/* SUBU - subtract unsigned */
|
||||
MIPS_INS(SUBU, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_SUBU)
|
||||
|
||||
/* SUXC1 - store doubleword indexed unaligned from floating point */
|
||||
MIPS_INS(SUXC1, .op = MIPS32R6_OP_COP1X, .funct = MIPS32R6_FUNCT_SUXC1)
|
||||
|
||||
/* SW - store word */
|
||||
MIPS_INS(SW, .op = MIPS32R6_OP_SW)
|
||||
|
||||
/* SWC1 - store word floating point */
|
||||
MIPS_INS(SWC1, .op = MIPS32R6_OP_SWC1)
|
||||
|
||||
/* SWC2 - store eword cop2 */
|
||||
MIPS_INS(SWC2, .op = MIPS32R6_OP_SWC2)
|
||||
|
||||
/* SWL - store word left */
|
||||
MIPS_INS(SWL, .op = MIPS32R6_OP_SWL)
|
||||
|
||||
/* SWR - store word right */
|
||||
MIPS_INS(SWR, .op = MIPS32R6_OP_SWR)
|
||||
|
||||
/* SWXC1 - store word indexed from floating point */
|
||||
MIPS_INS(SWXC1, .op = MIPS32R6_OP_COP1X, .funct = MIPS32R6_FUNCT_SWXC1)
|
||||
|
||||
/* SYNC - synchronize shared memory */
|
||||
MIPS_INS(SYNC, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_SYNC)
|
||||
|
||||
/* SYNCI - synchronize caches to make instruction writes effective */
|
||||
MIPS_INS(SYNCI, .op = MIPS32R6_OP_REGIMM, .bfunct = MIPS32R6_FUNCT_SYNCI)
|
||||
|
||||
/* SYSCALL - syscall */
|
||||
MIPS_INS(SYSCALL, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_SYSCALL)
|
||||
|
||||
/* TEQ - trap if equal */
|
||||
MIPS_INS(TEQ, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_TEQ)
|
||||
/* OR - or */
|
||||
MIPS_INS(OR, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_OR)
|
||||
|
||||
/* TEQI - trap if equal immediate */
|
||||
MIPS_INS(TEQI, .op = MIPS32R6_OP_REGIMM, .bfunct = MIPS32R6_FUNCT_TEQI)
|
||||
/* ORI - or imemdiate */
|
||||
MIPS_INS(ORI, .op = MIPS32R6_OP_ORI)
|
||||
|
||||
/* TGE - trap if greater or equal */
|
||||
MIPS_INS(TGE, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_TGE)
|
||||
|
||||
/* TGEI - trap if greater or equal immediate */
|
||||
MIPS_INS(TGEI, .op = MIPS32R6_OP_REGIMM, .bfunct = MIPS32R6_FUNCT_TGEI)
|
||||
|
||||
/* TGEIU - trap if greater or equal immediate unsigned */
|
||||
MIPS_INS(TGEIU, .op = MIPS32R6_OP_REGIMM, .bfunct = MIPS32R6_FUNCT_TGEIU)
|
||||
|
||||
/* TGEU - trap if greater or equal unsigned */
|
||||
MIPS_INS(TGEU, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_TGEU)
|
||||
|
||||
/* TLBP - probe TLB for matching entry */
|
||||
MIPS_INS(TLBP, .op = MIPS32R6_OP_COP0, .c0 = 1, .funct = MIPS32R6_FUNCT_TLBP)
|
||||
|
||||
/* TLBR - read indexed TLB entry */
|
||||
MIPS_INS(TLBR, .op = MIPS32R6_OP_COP0, .c0 = 1, .funct = MIPS32R6_FUNCT_TLBR)
|
||||
|
||||
/* TLBWI - write indexed TLB entry */
|
||||
MIPS_INS(TLBWI, .op = MIPS32R6_OP_COP0, .c0 = 1, .funct = MIPS32R6_FUNCT_TLBWI)
|
||||
|
||||
/* TLBWR - write random TLB entry */
|
||||
MIPS_INS(TLBWR, .op = MIPS32R6_OP_COP0, .c0 = 1, .funct = MIPS32R6_FUNCT_TLBWR)
|
||||
|
||||
/* TLT - trap if less then */
|
||||
MIPS_INS(TLT, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_TLT)
|
||||
|
||||
/* TLTI - trap if less then immediate */
|
||||
MIPS_INS(TLTI, .op = MIPS32R6_OP_REGIMM, .bfunct = MIPS32R6_FUNCT_TLTI)
|
||||
|
||||
/* TLTIU - trap if less then immediate unsigned */
|
||||
MIPS_INS(TLTIU, .op = MIPS32R6_OP_REGIMM, .bfunct = MIPS32R6_FUNCT_TLTIU)
|
||||
|
||||
/* TLTU - trap if less then unsigned */
|
||||
MIPS_INS(TLTU, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_TLTU)
|
||||
|
||||
/* TNE - trap if not equal */
|
||||
MIPS_INS(TNE, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_TNE)
|
||||
|
||||
/* TNEI - trap if not equal immediate */
|
||||
MIPS_INS(TNEI, .op = MIPS32R6_OP_REGIMM, .bfunct = MIPS32R6_FUNCT_TNEI)
|
||||
|
||||
/* WAIT - enter standby mode */
|
||||
MIPS_INS(WAIT, .op = MIPS32R6_OP_COP0, .c0 = 1, .funct = MIPS32R6_FUNCT_WAIT)
|
||||
|
||||
/* WRPGRP - write to GPR in previous shadow set */
|
||||
MIPS_INS(WRPGPR, .op = MIPS32R6_OP_COP0, .cfunct = MIPS32R6_FUNCT_WRPGPR)
|
||||
|
||||
/* WSBH - word swap bytes within halfwords */
|
||||
MIPS_INS(WSBH, .op = MIPS32R6_OP_SPECIAL3, .funct = MIPS32R6_FUNCT_BSHFL,
|
||||
.shamt = MIPS32R6_FUNCT_WSBH)
|
||||
/* NOR - not or */
|
||||
MIPS_INS(NOR, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_NOR)
|
||||
|
||||
/* XOR - exclusive or */
|
||||
MIPS_INS(XOR, .op = MIPS32R6_OP_SPECIAL, .funct = MIPS32R6_FUNCT_XOR)
|
||||
|
|
@ -846,6 +284,3 @@ MIPS_INS(XORI, .op = MIPS32R6_OP_XORI)
|
|||
|
||||
#undef MIPS_INS
|
||||
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -1,11 +1,15 @@
|
|||
#include <merror.h>
|
||||
#include <netinet/in.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <elf.h>
|
||||
#include <string.h>
|
||||
#include <stddef.h>
|
||||
#include <melf.h>
|
||||
|
||||
#include "../tab.h"
|
||||
#include "../masm.h"
|
||||
#include "elf32.h"
|
||||
#include "asm.h"
|
||||
#include "gen.h"
|
||||
#include "tab.h"
|
||||
|
||||
extern char *current_file;
|
||||
|
||||
|
|
@ -79,10 +83,10 @@ static void elf_section_free(struct elf_section *sec)
|
|||
free(sec->reltab);
|
||||
}
|
||||
|
||||
static int asm_init_sections(struct elf_assembler *assembler)
|
||||
static int asm_init_sections(struct assembler *assembler)
|
||||
{
|
||||
struct section *sections = assembler->gen->sections;
|
||||
uint32_t len = assembler->gen->sections_len;
|
||||
struct section *sections = assembler->gen.sections;
|
||||
uint32_t len = assembler->gen.sections_len;
|
||||
|
||||
struct elf_section *elftab = malloc(sizeof(struct elf_section) * len);
|
||||
if (elftab == NULL) {
|
||||
|
|
@ -117,8 +121,8 @@ static int elf_sym_bind(enum symbol_type ty) {
|
|||
return STB_GLOBAL;
|
||||
}
|
||||
|
||||
static int asm_init_symtab(struct elf_assembler *assembler) {
|
||||
struct symbol_table *symtab = &assembler->gen->symtab;
|
||||
static int asm_init_symtab(struct assembler *assembler) {
|
||||
struct symbol_table *symtab = &assembler->gen.symtab;
|
||||
size_t len = symtab->len + 1;
|
||||
Elf32_Sym *elftab = malloc(sizeof(Elf32_Sym) * len);
|
||||
if (elftab == NULL) {
|
||||
|
|
@ -142,17 +146,6 @@ static int asm_init_symtab(struct elf_assembler *assembler) {
|
|||
return M_ERROR;
|
||||
}
|
||||
|
||||
// check if symbol is undefined
|
||||
if (sym->secidx == SYM_SEC_STUB) {
|
||||
if (sym->type == SYM_LOCAL &&
|
||||
assembler->args->extern_undefined == false) {
|
||||
ERROR("undefined symbol %s", sym->name.str);
|
||||
return M_ERROR;
|
||||
}
|
||||
sym->secidx = 0;
|
||||
bind = STB_GLOBAL;
|
||||
}
|
||||
|
||||
elftab[i+1] = (Elf32_Sym) {
|
||||
.st_name = B32(str_off),
|
||||
.st_info = ELF32_ST_INFO(bind, type),
|
||||
|
|
@ -169,7 +162,18 @@ static int asm_init_symtab(struct elf_assembler *assembler) {
|
|||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
static int assemble_shdr(struct elf_assembler *assembler, Elf32_Shdr **res,
|
||||
static int parse_file(struct assembler *assembler)
|
||||
{
|
||||
if (generate_mips32r6(&assembler->gen))
|
||||
return M_ERROR;
|
||||
if (asm_init_sections(assembler))
|
||||
return M_ERROR;
|
||||
if (asm_init_symtab(assembler))
|
||||
return M_ERROR;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
static int assemble_shdr(struct assembler *assembler, Elf32_Shdr **res,
|
||||
uint32_t *res2)
|
||||
{
|
||||
uint32_t max_entries = 0;
|
||||
|
|
@ -333,7 +337,7 @@ static int assemble_shdr(struct elf_assembler *assembler, Elf32_Shdr **res,
|
|||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
static void update_offsets(struct elf_assembler *assembler, Elf32_Ehdr *ehdr)
|
||||
static void update_offsets(struct assembler *assembler, Elf32_Ehdr *ehdr)
|
||||
{
|
||||
Elf32_Shdr *shdr = (Elf32_Shdr *) assembler->shdr;
|
||||
uint32_t ptr = 0;
|
||||
|
|
@ -398,7 +402,7 @@ static void update_offsets(struct elf_assembler *assembler, Elf32_Ehdr *ehdr)
|
|||
ehdr->e_shoff = B32(ptr);
|
||||
}
|
||||
|
||||
static int write_file(struct elf_assembler *assembler, Elf32_Ehdr *ehdr,
|
||||
static int write_file(struct assembler *assembler, Elf32_Ehdr *ehdr,
|
||||
const char *path)
|
||||
{
|
||||
FILE *out = fopen(path, "w");
|
||||
|
|
@ -449,11 +453,11 @@ static int write_file(struct elf_assembler *assembler, Elf32_Ehdr *ehdr,
|
|||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
static void update_sym_shndx(struct elf_assembler *assembler)
|
||||
static void update_sym_shndx(struct assembler *assembler)
|
||||
{
|
||||
for (uint32_t i = 1; i < assembler->symtab_len; i++) {
|
||||
Elf32_Sym *esym = &assembler->symbols[i];
|
||||
struct symbol *sym = &assembler->gen->symtab.symbols[i - 1];
|
||||
struct symbol *sym = &assembler->gen.symtab.symbols[i - 1];
|
||||
|
||||
// get shindx
|
||||
int shindx = 0;
|
||||
|
|
@ -466,42 +470,14 @@ static void update_sym_shndx(struct elf_assembler *assembler)
|
|||
}
|
||||
}
|
||||
|
||||
static int assemble_elf(struct elf_assembler *assembler, const char *out)
|
||||
static int assemble_elf(struct assembler *assembler, const char *out)
|
||||
{
|
||||
if (asm_init_sections(assembler))
|
||||
return M_ERROR;
|
||||
|
||||
if (asm_init_symtab(assembler))
|
||||
return M_ERROR;
|
||||
|
||||
if (assemble_shdr(assembler, &assembler->shdr, &assembler->shdr_len))
|
||||
return M_ERROR;
|
||||
|
||||
// get ehdr flags
|
||||
uint32_t flags = EF_MIPS_NAN2008;
|
||||
switch (assembler->args->isa) {
|
||||
case ISA_MIPS1:
|
||||
flags |= EF_MIPS_ARCH_1;
|
||||
break;
|
||||
case ISA_MIPS32R2:
|
||||
flags |= EF_MIPS_ARCH_32R2;
|
||||
break;
|
||||
case ISA_MIPS32R6:
|
||||
flags |= EF_MIPS_ARCH_32R6;
|
||||
break;
|
||||
}
|
||||
switch (assembler->args->abi) {
|
||||
case ABI_O32:
|
||||
flags |= EF_MIPS_ABI_O32;
|
||||
break;
|
||||
case ABI_NONE:
|
||||
break;
|
||||
}
|
||||
|
||||
Elf32_Ehdr ehdr = MIPS_ELF_EHDR;
|
||||
ehdr.e_shnum = B16(assembler->shdr_len);
|
||||
ehdr.e_shstrndx = B16(assembler->shstrtab_shidx);
|
||||
ehdr.e_flags = B32(flags);
|
||||
update_offsets(assembler, &ehdr);
|
||||
update_sym_shndx(assembler);
|
||||
|
||||
|
|
@ -511,20 +487,41 @@ static int assemble_elf(struct elf_assembler *assembler, const char *out)
|
|||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
static int assembler_init(struct elf_assembler *assembler,
|
||||
struct generator *gen,
|
||||
struct arguments *args)
|
||||
int assemble_file(struct assembler_arguments args)
|
||||
{
|
||||
assembler->args = args;
|
||||
assembler->gen = gen;
|
||||
struct assembler assembler;
|
||||
int res = M_SUCCESS;
|
||||
|
||||
current_file = args.in_file;
|
||||
|
||||
if (assembler_init(&assembler, args.in_file))
|
||||
return M_ERROR;
|
||||
|
||||
if (res == M_SUCCESS)
|
||||
res = parse_file(&assembler);
|
||||
|
||||
if (res == M_SUCCESS)
|
||||
res = assemble_elf(&assembler, args.out_file);
|
||||
|
||||
assembler_free(&assembler);
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
int assembler_init(struct assembler *assembler, const char *path)
|
||||
{
|
||||
assembler->shdr = NULL;
|
||||
assembler->symbols = NULL;
|
||||
assembler->sections = NULL;
|
||||
assembler->strtab.ptr = NULL;
|
||||
assembler->shstrtab.ptr = NULL;
|
||||
assembler->gen.sections = NULL;
|
||||
assembler->gen.symtab.symbols = NULL;
|
||||
assembler->section_len = 0;
|
||||
|
||||
if (generator_init(path, &assembler->gen))
|
||||
return M_ERROR;
|
||||
|
||||
if (strtab_init(&assembler->shstrtab))
|
||||
return M_ERROR;
|
||||
|
||||
|
|
@ -534,7 +531,7 @@ static int assembler_init(struct elf_assembler *assembler,
|
|||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
static void assembler_free(struct elf_assembler *assembler)
|
||||
void assembler_free(struct assembler *assembler)
|
||||
{
|
||||
if (assembler->shdr)
|
||||
free(assembler->shdr);
|
||||
|
|
@ -548,20 +545,5 @@ static void assembler_free(struct elf_assembler *assembler)
|
|||
|
||||
strtab_free(&assembler->strtab);
|
||||
strtab_free(&assembler->shstrtab);
|
||||
generator_free(&assembler->gen);
|
||||
}
|
||||
|
||||
int assemble_elf32(struct generator *gen, struct arguments *args)
|
||||
{
|
||||
struct elf_assembler assembler;
|
||||
int res = M_SUCCESS;
|
||||
current_file = args->in_file;
|
||||
|
||||
if (assembler_init(&assembler, gen, args))
|
||||
return M_ERROR;
|
||||
|
||||
res = assemble_elf(&assembler, args->out_file);
|
||||
assembler_free(&assembler);
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
99
masm/asm.h
99
masm/asm.h
|
|
@ -0,0 +1,99 @@
|
|||
/* Copyright (c) 2024 Freya Murphy */
|
||||
|
||||
#ifndef __ASM_H__
|
||||
#define __ASM_H__
|
||||
|
||||
#include <elf.h>
|
||||
|
||||
#include "gen.h"
|
||||
|
||||
///
|
||||
/// ELF string table
|
||||
///
|
||||
|
||||
struct elf_str_table {
|
||||
// size of the ptr in bytes
|
||||
size_t size;
|
||||
|
||||
// pointer that contains
|
||||
// the strings
|
||||
char *ptr;
|
||||
};
|
||||
|
||||
/* initalize a string table */
|
||||
int strtab_init(struct elf_str_table *strtab);
|
||||
|
||||
/* free a string table */
|
||||
void strtab_free(struct elf_str_table *strtab);
|
||||
|
||||
/* get a string form the string table */
|
||||
int strtab_get_str(struct elf_str_table *strtab, const char *str, size_t *res);
|
||||
|
||||
/* get or append a string into the string table */
|
||||
int strtab_write_str(struct elf_str_table *strtab, const char *str, size_t *res);
|
||||
|
||||
///
|
||||
/// elf section
|
||||
///
|
||||
|
||||
/* holds a section of the asm file (i.e. .text, .bss, .data) */
|
||||
struct elf_section {
|
||||
// section data *weak* pointer
|
||||
struct section *data;
|
||||
|
||||
// index of the section in
|
||||
// the ELF shdr
|
||||
size_t shdr_idx;
|
||||
|
||||
// relocation table
|
||||
size_t reltab_shidx;
|
||||
uint32_t reltab_len;
|
||||
Elf32_Rel *reltab;
|
||||
};
|
||||
|
||||
///
|
||||
/// assembler
|
||||
///
|
||||
|
||||
struct assembler {
|
||||
// the code generator
|
||||
struct generator gen;
|
||||
|
||||
/// symbol table
|
||||
size_t symtab_shidx;
|
||||
size_t symtab_len;
|
||||
Elf32_Sym *symbols;
|
||||
|
||||
// sh string table
|
||||
size_t strtab_shidx;
|
||||
struct elf_str_table strtab;
|
||||
|
||||
// string table
|
||||
size_t shstrtab_shidx;
|
||||
struct elf_str_table shstrtab;
|
||||
|
||||
/// sections
|
||||
uint32_t section_len;
|
||||
struct elf_section *sections;
|
||||
|
||||
/// section header
|
||||
Elf32_Shdr *shdr;
|
||||
uint32_t shdr_len;
|
||||
};
|
||||
|
||||
/* defines arguments to the assembler */
|
||||
struct assembler_arguments {
|
||||
char *in_file;
|
||||
char *out_file;
|
||||
};
|
||||
|
||||
/* initalize the assembler */
|
||||
int assembler_init(struct assembler *assembler, const char *path);
|
||||
|
||||
/* free the assembler */
|
||||
void assembler_free(struct assembler *assembler);
|
||||
|
||||
/* assemble a file */
|
||||
int assemble_file(struct assembler_arguments args);
|
||||
|
||||
#endif /* __ASM_H__ */
|
||||
|
|
@ -1,90 +0,0 @@
|
|||
/* Copyright (c) 2024 Freya Murphy */
|
||||
|
||||
#ifndef __ELF32_H__
|
||||
#define __ELF32_H__
|
||||
|
||||
#include <elf.h>
|
||||
|
||||
#include "../gen.h"
|
||||
#include "../masm.h"
|
||||
|
||||
///
|
||||
/// ELF string table
|
||||
///
|
||||
|
||||
struct elf_str_table {
|
||||
// size of the ptr in bytes
|
||||
size_t size;
|
||||
|
||||
// pointer that contains
|
||||
// the strings
|
||||
char *ptr;
|
||||
};
|
||||
|
||||
/* initalize a string table */
|
||||
int strtab_init(struct elf_str_table *strtab);
|
||||
|
||||
/* free a string table */
|
||||
void strtab_free(struct elf_str_table *strtab);
|
||||
|
||||
/* get a string form the string table */
|
||||
int strtab_get_str(struct elf_str_table *strtab, const char *str, size_t *res);
|
||||
|
||||
/* get or append a string into the string table */
|
||||
int strtab_write_str(struct elf_str_table *strtab, const char *str, size_t *res);
|
||||
|
||||
///
|
||||
/// elf section
|
||||
///
|
||||
|
||||
/* holds a section of the asm file (i.e. .text, .bss, .data) */
|
||||
struct elf_section {
|
||||
// section data *weak* pointer
|
||||
struct section *data;
|
||||
|
||||
// index of the section in
|
||||
// the ELF shdr
|
||||
size_t shdr_idx;
|
||||
|
||||
// relocation table
|
||||
size_t reltab_shidx;
|
||||
uint32_t reltab_len;
|
||||
Elf32_Rel *reltab;
|
||||
};
|
||||
|
||||
///
|
||||
/// assembler
|
||||
///
|
||||
|
||||
struct elf_assembler {
|
||||
// arguments passed in
|
||||
struct arguments *args;
|
||||
|
||||
// the code generator
|
||||
struct generator *gen;
|
||||
|
||||
/// symbol table
|
||||
size_t symtab_shidx;
|
||||
size_t symtab_len;
|
||||
Elf32_Sym *symbols;
|
||||
|
||||
// sh string table
|
||||
size_t strtab_shidx;
|
||||
struct elf_str_table strtab;
|
||||
|
||||
// string table
|
||||
size_t shstrtab_shidx;
|
||||
struct elf_str_table shstrtab;
|
||||
|
||||
/// sections
|
||||
uint32_t section_len;
|
||||
struct elf_section *sections;
|
||||
|
||||
/// section header
|
||||
Elf32_Shdr *shdr;
|
||||
uint32_t shdr_len;
|
||||
};
|
||||
|
||||
int assemble_elf32(struct generator *gen, struct arguments *args);
|
||||
|
||||
#endif /* __ELF32_H__ */
|
||||
562
masm/gen.c
562
masm/gen.c
|
|
@ -1,19 +1,186 @@
|
|||
#include <stdlib.h>
|
||||
#include <merror.h>
|
||||
#include <melf.h>
|
||||
#include <mips.h>
|
||||
#include <mips1.h>
|
||||
#include <mips32r2.h>
|
||||
#include <mips32.h>
|
||||
#include <mips32r6.h>
|
||||
|
||||
#include "tab.h"
|
||||
#include "gen.h"
|
||||
#include "parse.h"
|
||||
|
||||
///
|
||||
/// section table
|
||||
///
|
||||
|
||||
static void section_get_default_perm(struct section *sec, const char *name)
|
||||
{
|
||||
#define __LEN 7
|
||||
static const struct perms {
|
||||
char *name;
|
||||
bool read;
|
||||
bool write;
|
||||
bool execute;
|
||||
int alignment;
|
||||
} defaults[__LEN] = {
|
||||
{".text", true, false, true, 4},
|
||||
{".code", true, false, true, 4},
|
||||
{".data", true, true, false, 1},
|
||||
{".stack", true, true, false, 1},
|
||||
{".rodata", true, false, false, 1},
|
||||
{".bss", true, true, false, 1},
|
||||
{".robss", true, false, false, 1},
|
||||
};
|
||||
|
||||
for (int i = 0; i < __LEN; i++) {
|
||||
const struct perms *p = &defaults[i];
|
||||
if (strcasecmp(name, p->name) != 0)
|
||||
continue;
|
||||
sec->read = p->read;
|
||||
sec->write = p->write;
|
||||
sec->execute = p->execute;
|
||||
sec->align = p->alignment;
|
||||
break;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
static int section_get(struct generator *gen, struct section **res,
|
||||
const struct string *const name)
|
||||
{
|
||||
/// find the section if it exists
|
||||
for (size_t i = 0; i < gen->sections_len; i++) {
|
||||
struct section *sec = &gen->sections[i];
|
||||
if (sec->name.len != name->len)
|
||||
continue;
|
||||
if (strcmp(sec->name.str, name->str) != 0)
|
||||
continue;
|
||||
*res = sec;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
/// allocate a new one if it doesnt
|
||||
size_t size = gen->sections_size ? gen->sections_size * 2 : 8;
|
||||
void *new = realloc(gen->sections, size * sizeof(struct section));
|
||||
if (new == NULL) {
|
||||
PERROR("cannot realloc");
|
||||
return M_ERROR;
|
||||
}
|
||||
|
||||
gen->sections_size = size;
|
||||
gen->sections = new;
|
||||
|
||||
struct section *sec = &gen->sections[gen->sections_len++];
|
||||
|
||||
// alloc reftab
|
||||
if (reftab_init(&sec->reftab))
|
||||
return M_ERROR;
|
||||
|
||||
// copy name
|
||||
if (string_clone(&sec->name, name))
|
||||
return M_ERROR;
|
||||
|
||||
// set defaults
|
||||
sec->len = 0;
|
||||
sec->size = 0;
|
||||
sec->align = 1;
|
||||
sec->data = NULL;
|
||||
sec->read = true;
|
||||
sec->write = true;
|
||||
sec->execute = false;
|
||||
section_get_default_perm(sec, name->str);
|
||||
|
||||
*res = sec;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
static int section_extend(struct section *section, size_t space)
|
||||
{
|
||||
size_t newlen = section->len + space;
|
||||
if (newlen < section->size)
|
||||
return M_SUCCESS;
|
||||
|
||||
size_t size = section->size ? section->size * 2 + newlen : newlen * 2;
|
||||
void *new = realloc(section->data, size);
|
||||
if (new == NULL) {
|
||||
PERROR("cannot realloc");
|
||||
return M_ERROR;
|
||||
}
|
||||
section->size = size;
|
||||
section->data = new;
|
||||
|
||||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
static int section_push(struct section *section, void *data, size_t len)
|
||||
{
|
||||
size_t newlen = section->len + len;
|
||||
size_t zeros = newlen % section->align;
|
||||
if (zeros)
|
||||
zeros = section->align - zeros;
|
||||
|
||||
if (section_extend(section, len + zeros))
|
||||
return M_ERROR;
|
||||
|
||||
memset(section->data + section->len, 0, zeros);
|
||||
memcpy(section->data + section->len + zeros, data, len);
|
||||
section->len += len + zeros;
|
||||
|
||||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
static int section_zero(struct section *section, size_t len)
|
||||
{
|
||||
size_t zeros = section->len % section->align;
|
||||
if (zeros)
|
||||
zeros = section->align - zeros;
|
||||
|
||||
if (section_extend(section, len + zeros))
|
||||
return M_ERROR;
|
||||
|
||||
memset(section->data + section->len, 0, len + zeros);
|
||||
section->len += len + zeros;
|
||||
|
||||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
void section_free(struct section *section)
|
||||
{
|
||||
reftab_free(§ion->reftab);
|
||||
string_free(§ion->name);
|
||||
free(section->data);
|
||||
}
|
||||
|
||||
///
|
||||
/// generation functions
|
||||
///
|
||||
|
||||
static void print_curr_line(struct generator *gen,
|
||||
const struct expr *const expr)
|
||||
{
|
||||
int line = expr->line_no,
|
||||
len = expr->byte_end - expr->byte_start,
|
||||
nl = true,
|
||||
c = EOF;
|
||||
FILE *file = gen->parser.lexer.file;
|
||||
|
||||
fseek(file, expr->byte_start, SEEK_SET);
|
||||
|
||||
while (len--) {
|
||||
c = getc(file);
|
||||
if (c == EOF || c == '\0')
|
||||
break;
|
||||
if (nl) {
|
||||
fprintf(stderr, "\t%d | ", line);
|
||||
line++;
|
||||
nl = false;
|
||||
}
|
||||
if (c == '\n')
|
||||
nl = true;
|
||||
putc(c, stderr);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
static int gen_directive_whb(struct generator *gen, const void *data,
|
||||
uint32_t count, uint32_t len)
|
||||
{
|
||||
|
|
@ -96,37 +263,300 @@ static int gen_constant(struct generator *gen, struct expr_const *const expr)
|
|||
return M_ERROR;
|
||||
}
|
||||
|
||||
static enum grammer_type get_gmr_type(const char *name, size_t *len)
|
||||
{
|
||||
#define CHK(part, str) { \
|
||||
if (strncasecmp(str, name, strlen(str)) == 0) { \
|
||||
*len = strlen(str); \
|
||||
return GMR_ ##part; \
|
||||
}} \
|
||||
|
||||
CHK(RD, "rd")
|
||||
CHK(RS, "rs")
|
||||
CHK(RT, "rt")
|
||||
CHK(IMMD, "immd")
|
||||
CHK(OFFSET_BASE, "offset(base)")
|
||||
CHK(OFFSET, "offset")
|
||||
CHK(TARGET, "target")
|
||||
CHK(HI, "hi")
|
||||
CHK(LO, "lo")
|
||||
|
||||
#undef CHK
|
||||
|
||||
ERROR("!!! BUG: this should never hit !!!");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
static int parse_register(enum mips32_register *reg, struct string *name)
|
||||
{
|
||||
int len = name->len;
|
||||
int c0 = len > 0 ? name->str[0] : '\0',
|
||||
c1 = len > 1 ? name->str[1] : '\0',
|
||||
c2 = len > 2 ? name->str[2] : '\0',
|
||||
c3 = len > 3 ? name->str[3] : '\0';
|
||||
|
||||
// $zero
|
||||
if (c0 == 'z') {
|
||||
if (c1 == 'e' && c2 == 'r' && c3 == 'o') {
|
||||
*reg = MIPS32_REG_ZERO;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $a0-a3 $at
|
||||
else if (c0 == 'a') {
|
||||
if (c1 == 't') {
|
||||
*reg = MIPS32_REG_AT;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
if (c1 >= '0' && c1 <= '3') {
|
||||
*reg = MIPS32_REG_A0;
|
||||
*reg += c1 - '0';
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $v0-v1
|
||||
else if (c0 == 'v') {
|
||||
if (c1 >= '0' && c1 <= '1') {
|
||||
*reg = MIPS32_REG_V0;
|
||||
*reg += c1 - '0';
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $t0-t9
|
||||
else if (c0 == 't') {
|
||||
if (c1 >= '0' && c1 <= '7') {
|
||||
*reg = MIPS32_REG_T0;
|
||||
*reg += c1 - '0';
|
||||
return M_SUCCESS;
|
||||
}
|
||||
// reg T8-T9 are not in order with T0-T7
|
||||
if (c1 >= '8' && c1 <= '9') {
|
||||
*reg = MIPS32_REG_T8;
|
||||
*reg += c1 - '8';
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $s0-s7 $sp
|
||||
else if (c0 == 's') {
|
||||
if (c1 >= '0' && c1 <= '7') {
|
||||
*reg = MIPS32_REG_S0;
|
||||
*reg += c1 - '0';
|
||||
return M_SUCCESS;
|
||||
}
|
||||
if (c1 == 'p') {
|
||||
*reg = MIPS32_REG_SP;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $k0-k1
|
||||
else if (c0 == 'k') {
|
||||
if (c1 >= '0' && c1 <= '1') {
|
||||
*reg = MIPS32_REG_K0;
|
||||
*reg += c1 - '0';
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $gp
|
||||
else if (c0 == 'g') {
|
||||
if (c1 == 'p') {
|
||||
*reg = MIPS32_REG_GP;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $fp
|
||||
else if (c0 == 'f') {
|
||||
if (c1 == 'p') {
|
||||
*reg = MIPS32_REG_FP;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $rp
|
||||
else if (c0 == 'r') {
|
||||
if (c1 == 'a') {
|
||||
*reg = MIPS32_REG_RA;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $0-31 (non aliased register names)
|
||||
else if (c0 >= '0' && c0 <= '9') {
|
||||
int i = c0 - '0';
|
||||
if (c1 >= '0' && c1 <= '9') {
|
||||
i *= 10;
|
||||
i += c1 - '0';
|
||||
}
|
||||
if (i <= 31) {
|
||||
*reg = i;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
ERROR("unknown register $%.*s", name->len, name->str);
|
||||
return M_ERROR;
|
||||
}
|
||||
|
||||
static int gen_ins_read_state(struct generator *gen,
|
||||
struct expr *const expr,
|
||||
struct gen_ins_state *state,
|
||||
struct mips32_grammer *grammer)
|
||||
{
|
||||
char *ptr = grammer->grammer;
|
||||
uint32_t argi = 0;
|
||||
|
||||
// read values into state
|
||||
while (*ptr != '\0') {
|
||||
|
||||
if (argi >= expr->instruction.args_len) {
|
||||
ERROR("not enough arguments passed");
|
||||
print_curr_line(gen, expr);
|
||||
return M_ERROR;
|
||||
}
|
||||
struct expr_ins_arg *arg = &expr->instruction.args[argi++];
|
||||
|
||||
size_t skip;
|
||||
switch (get_gmr_type(ptr, &skip)) {
|
||||
case GMR_RD:
|
||||
// rd
|
||||
if (arg->type != EXPR_INS_ARG_REGISTER) {
|
||||
ERROR("expected a register");
|
||||
print_curr_line(gen, expr);
|
||||
return M_ERROR;
|
||||
}
|
||||
if (parse_register(&state->rd, &arg->reg)) {
|
||||
print_curr_line(gen, expr);
|
||||
return M_ERROR;
|
||||
}
|
||||
break;
|
||||
case GMR_RS:
|
||||
// rs
|
||||
if (arg->type != EXPR_INS_ARG_REGISTER) {
|
||||
ERROR("expected a register");
|
||||
print_curr_line(gen, expr);
|
||||
return M_ERROR;
|
||||
}
|
||||
if (parse_register(&state->rs, &arg->reg)) {
|
||||
print_curr_line(gen, expr);
|
||||
return M_ERROR;
|
||||
}
|
||||
break;
|
||||
case GMR_RT:
|
||||
// rt
|
||||
if (arg->type != EXPR_INS_ARG_REGISTER) {
|
||||
ERROR("expected a register");
|
||||
print_curr_line(gen, expr);
|
||||
return M_ERROR;
|
||||
}
|
||||
if (parse_register(&state->rt, &arg->reg)) {
|
||||
print_curr_line(gen, expr);
|
||||
return M_ERROR;
|
||||
}
|
||||
break;
|
||||
case GMR_IMMD:
|
||||
// immd
|
||||
if (arg->type != EXPR_INS_ARG_IMMEDIATE) {
|
||||
ERROR("expected an immediate");
|
||||
print_curr_line(gen, expr);
|
||||
return M_ERROR;
|
||||
}
|
||||
state->immd = arg->immd;
|
||||
break;
|
||||
case GMR_OFFSET:
|
||||
// offset
|
||||
state->offset = 0;
|
||||
if (arg->type == EXPR_INS_ARG_IMMEDIATE)
|
||||
state->offset = arg->immd;
|
||||
else if (arg->type == EXPR_INS_ARG_LABEL)
|
||||
state->label = &arg->label;
|
||||
else {
|
||||
ERROR("invalid instruction");
|
||||
print_curr_line(gen, expr);
|
||||
return M_ERROR;
|
||||
}
|
||||
break;
|
||||
case GMR_OFFSET_BASE:
|
||||
// offset(base)
|
||||
if (arg->type != EXPR_INS_ARG_OFFSET) {
|
||||
ERROR("expected an offset($base)");
|
||||
print_curr_line(gen, expr);
|
||||
return M_ERROR;
|
||||
}
|
||||
state->offset = arg->offset.immd;
|
||||
if (parse_register(&state->base, &arg->offset.reg)) {
|
||||
print_curr_line(gen, expr);
|
||||
return M_ERROR;
|
||||
}
|
||||
break;
|
||||
case GMR_TARGET:
|
||||
// target
|
||||
state->target = 0;
|
||||
if (arg->type == EXPR_INS_ARG_IMMEDIATE)
|
||||
state->target = arg->immd;
|
||||
else if (arg->type == EXPR_INS_ARG_LABEL)
|
||||
state->label = &arg->label;
|
||||
else {
|
||||
ERROR("invalid instruction");
|
||||
print_curr_line(gen, expr);
|
||||
return M_ERROR;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
// skip entry
|
||||
ptr += skip;
|
||||
|
||||
// skip comma
|
||||
if (*ptr == ',') {
|
||||
ptr++;
|
||||
continue;
|
||||
} else if (*ptr == '\0') {
|
||||
break;
|
||||
} else {
|
||||
ERROR("!! BUG3: invalid splitting char %c !!!", *ptr);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
static int gen_ins_write_state(
|
||||
struct generator *gen,
|
||||
union mips32_instruction ins, // the instruction to modify
|
||||
struct gen_ins_state *state, // the current read state
|
||||
char *grammer) // the gramemr to parse
|
||||
{
|
||||
// grammer pointer
|
||||
char *ptr = grammer;
|
||||
|
||||
// new reference type if needed
|
||||
enum reference_type reftype = REF_NONE;
|
||||
|
||||
// hardcoded
|
||||
struct gen_ins_override hstate;
|
||||
bool hc = false;
|
||||
|
||||
// read values into state
|
||||
while (*ptr != '\0') {
|
||||
|
||||
// parse next dsl entry
|
||||
size_t skip;
|
||||
enum grammer_type gmr = get_gmr_type(ptr, &skip);
|
||||
|
||||
// check for dsl hardcoded register argument
|
||||
hc = false;
|
||||
bool hardcoded = false;
|
||||
enum mips32_register hard_reg;
|
||||
if (*(ptr + skip) == '=') {
|
||||
// get value pointer
|
||||
char *value = ptr + skip + 1;
|
||||
hc = true;
|
||||
// parse value
|
||||
if (get_gmr_hc(state, &hstate, value)) {
|
||||
BUG("invalid grammer: %s", grammer);
|
||||
// parse argument
|
||||
char *rptr = ptr + skip + 2;
|
||||
hardcoded = true;
|
||||
struct string regname;
|
||||
string_bss(®name, rptr);
|
||||
if (parse_register(&hard_reg, ®name)) {
|
||||
ERROR("!!! BUG2: this should never hit !!!");
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
|
@ -138,43 +568,16 @@ static int gen_ins_write_state(
|
|||
|
||||
switch (gmr) {
|
||||
case GMR_RD:
|
||||
ins.rd = hc ? hstate.reg : state->rd;
|
||||
ins.rd = hardcoded ? hard_reg : state->rd;
|
||||
break;
|
||||
case GMR_RS:
|
||||
ins.rs = hc ? hstate.reg : state->rs;
|
||||
ins.rs = hardcoded ? hard_reg : state->rs;
|
||||
break;
|
||||
case GMR_RT:
|
||||
ins.rt = hc ? hstate.reg : state->rt;
|
||||
break;
|
||||
case GMR_FS:
|
||||
ins.fs = hc ? hstate.fpreg : state->fs;
|
||||
break;
|
||||
case GMR_FT:
|
||||
ins.ft = hc ? hstate.fpreg : state->ft;
|
||||
break;
|
||||
case GMR_FD:
|
||||
ins.fd = hc ? hstate.fpreg : state->fd;
|
||||
ins.rt = hardcoded ? hard_reg : state->rt;
|
||||
break;
|
||||
case GMR_IMMD:
|
||||
ins.immd = hc ? hstate.immd : state->immd;
|
||||
break;
|
||||
case GMR_CC:
|
||||
ins.cc = state->cc;
|
||||
break;
|
||||
case GMR_CODE:
|
||||
ins.code = state->code;
|
||||
break;
|
||||
case GMR_POS:
|
||||
ins.shamt = state->pos;
|
||||
break;
|
||||
case GMR_SIZE:
|
||||
ins.rd = state->size ? state->size - 1 : 0;
|
||||
break;
|
||||
case GMR_HB:
|
||||
ins.hb = hc ? hstate.immd : state->hb;
|
||||
break;
|
||||
case GMR_HINT:
|
||||
ins.rt = state->hint;
|
||||
ins.immd = state->immd;
|
||||
break;
|
||||
case GMR_OFFSET:
|
||||
ins.offset = state->offset;
|
||||
|
|
@ -185,10 +588,6 @@ static int gen_ins_write_state(
|
|||
ins.rs = state->base;
|
||||
reftype = REF_MIPS_16;
|
||||
break;
|
||||
case GMR_INDEX_BASE:
|
||||
ins.rt = state->index;
|
||||
ins.rs = state->base;
|
||||
break;
|
||||
case GMR_TARGET:
|
||||
ins.target = state->target;
|
||||
reftype = REF_MIPS_26;
|
||||
|
|
@ -201,9 +600,8 @@ static int gen_ins_write_state(
|
|||
ins.immd = state->target & 0x0000FFFF;
|
||||
reftype = REF_MIPS_LO16;
|
||||
break;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// get offset for reference (if needed)
|
||||
uint32_t offset = gen->current->len;
|
||||
|
|
@ -323,8 +721,8 @@ static int gen_label(struct generator *gen, struct string *const label)
|
|||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
/* run codegen for next expression */
|
||||
static int generate_next(struct generator *gen)
|
||||
/* run codegen */
|
||||
static int generate(struct generator *gen)
|
||||
{
|
||||
struct expr expr;
|
||||
int res = M_SUCCESS;
|
||||
|
|
@ -373,10 +771,16 @@ static int generate_next(struct generator *gen)
|
|||
return res;
|
||||
}
|
||||
|
||||
static int generate(struct generator *gen)
|
||||
/* run codegen with the mips32r6 specification */
|
||||
int generate_mips32r6(struct generator *gen)
|
||||
{
|
||||
gen->instructions_len = __MIPS32R6_INS_LEN;
|
||||
gen->instructions = mips32r6_instructions;
|
||||
gen->grammers_len = __MIPS32R6_GRAMMER_LEN;
|
||||
gen->grammers = mips32r6_grammers;
|
||||
|
||||
int res;
|
||||
while (res = generate_next(gen), 1) {
|
||||
while (res = generate(gen), 1) {
|
||||
if (res == M_ERROR)
|
||||
return M_ERROR;
|
||||
if (res == M_EOF)
|
||||
|
|
@ -386,46 +790,6 @@ static int generate(struct generator *gen)
|
|||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
//
|
||||
// the following functions set default generator
|
||||
// state values for different versions of the mips
|
||||
// isa
|
||||
//
|
||||
|
||||
/* run codegen with the mips32r6 specification */
|
||||
int generate_mips32r6(struct generator *gen)
|
||||
{
|
||||
gen->instructions_len = __MIPS32R6_INS_LEN;
|
||||
gen->instructions = mips32r6_instructions;
|
||||
gen->grammers_len = __MIPS32R6_GRAMMER_LEN;
|
||||
gen->grammers = mips32r6_grammers;
|
||||
return generate(gen);
|
||||
}
|
||||
|
||||
/* run codegen with the mips32r2 specification */
|
||||
int generate_mips32r2(struct generator *gen)
|
||||
{
|
||||
gen->instructions_len = __MIPS32R2_INS_LEN;
|
||||
gen->instructions = mips32r2_instructions;
|
||||
gen->grammers_len = __MIPS32R2_GRAMMER_LEN;
|
||||
gen->grammers = mips32r2_grammers;
|
||||
return generate(gen);
|
||||
}
|
||||
|
||||
/* run codegen with the mips32r6 specification */
|
||||
int generate_mips1(struct generator *gen)
|
||||
{
|
||||
gen->instructions_len = __MIPS1_INS_LEN;
|
||||
gen->instructions = mips1_instructions;
|
||||
gen->grammers_len = __MIPS1_GRAMMER_LEN;
|
||||
gen->grammers = mips1_grammers;
|
||||
return generate(gen);
|
||||
}
|
||||
|
||||
//
|
||||
// constructors and deconstructors
|
||||
//
|
||||
|
||||
int generator_init(const char *file, struct generator *gen)
|
||||
{
|
||||
if (parser_init(file, &gen->parser))
|
||||
|
|
|
|||
121
masm/gen.h
121
masm/gen.h
|
|
@ -4,7 +4,7 @@
|
|||
#define __GEN_H__
|
||||
|
||||
#include <mlimits.h>
|
||||
#include <mips.h>
|
||||
#include <mips32.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#include "parse.h"
|
||||
|
|
@ -37,140 +37,48 @@ struct section {
|
|||
struct reference_table reftab;
|
||||
};
|
||||
|
||||
/* get a section from the generator by name, and return it into res. if the
|
||||
* section does not exist, one will be created. */
|
||||
int gen_get_section(struct generator *gen, struct section **res,
|
||||
struct string *name);
|
||||
|
||||
/* initalize a section */
|
||||
int section_init(struct section *section, struct string *name);
|
||||
|
||||
/* free a section */
|
||||
void section_free(struct section *section);
|
||||
|
||||
/* extend a section by space bytes plus alignment */
|
||||
int section_extend(struct section *section, size_t space);
|
||||
|
||||
/* push data into a section */
|
||||
int section_push(struct section *section, void *data, size_t len);
|
||||
|
||||
/* push zeros (empty space) to a section */
|
||||
int section_zero(struct section *section, size_t len);
|
||||
|
||||
///
|
||||
/// instruction generation state
|
||||
///
|
||||
|
||||
struct gen_ins_state {
|
||||
// rd,rs,rt
|
||||
// rd,rst,rt
|
||||
enum mips32_register rd;
|
||||
enum mips32_register rs;
|
||||
enum mips32_register rt;
|
||||
|
||||
// fs,ft
|
||||
enum mips32_fp_register fs;
|
||||
enum mips32_fp_register ft;
|
||||
enum mips32_fp_register fd;
|
||||
|
||||
// immd
|
||||
uint16_t immd;
|
||||
|
||||
// cc
|
||||
uint16_t cc;
|
||||
|
||||
// code
|
||||
uint32_t code;
|
||||
|
||||
// pos
|
||||
uint32_t pos;
|
||||
|
||||
// size
|
||||
uint32_t size;
|
||||
|
||||
// hint
|
||||
uint32_t hint;
|
||||
|
||||
// hazard barrier
|
||||
bool hb; // 1 bit - 1
|
||||
// offset(base)
|
||||
uint16_t offset;
|
||||
enum mips32_register base;
|
||||
|
||||
// target
|
||||
uint32_t target;
|
||||
|
||||
// index(base)
|
||||
// offset(base)
|
||||
uint32_t index;
|
||||
uint16_t offset;
|
||||
enum mips32_register base;
|
||||
|
||||
// current referencd label
|
||||
struct string *label;
|
||||
};
|
||||
|
||||
struct gen_ins_override {
|
||||
enum mips32_register reg;
|
||||
enum mips32_fp_register fpreg;
|
||||
uint32_t immd;
|
||||
};
|
||||
///
|
||||
/// grammer type
|
||||
///
|
||||
|
||||
enum grammer_type {
|
||||
// registers
|
||||
GMR_RD,
|
||||
GMR_RS,
|
||||
GMR_RT,
|
||||
// fp registers
|
||||
GMR_FS,
|
||||
GMR_FT,
|
||||
GMR_FD,
|
||||
// numeric fields
|
||||
GMR_IMMD,
|
||||
GMR_CC,
|
||||
GMR_CODE,
|
||||
GMR_POS,
|
||||
GMR_SIZE,
|
||||
GMR_HB,
|
||||
GMR_HINT,
|
||||
// addresses
|
||||
GMR_OFFSET,
|
||||
GMR_OFFSET_BASE,
|
||||
GMR_TARGET,
|
||||
GMR_HI,
|
||||
GMR_LO,
|
||||
GMR_TARGET,
|
||||
GMR_OFFSET,
|
||||
GMR_INDEX_BASE,
|
||||
GMR_OFFSET_BASE,
|
||||
// len
|
||||
__GMR_LEN
|
||||
};
|
||||
|
||||
/* Parses the input string and matches it to a grammer type. Returns
|
||||
* the number of characters consumed, or -1 on error.
|
||||
*/
|
||||
int gen_parse_grammer_type(const char *name, enum grammer_type *res);
|
||||
|
||||
/* Parses a register name, returing 0 on success, 1 on error*/
|
||||
int gen_parse_register(enum mips32_register *reg, struct string *name);
|
||||
|
||||
/* Parses a floating point register name, returing 0 on success, 1 on error*/
|
||||
int gen_parse_fp_register(enum mips32_fp_register *reg, struct string *name);
|
||||
|
||||
/* Parses the overide expression (after the =) in the dsl for the grammer.
|
||||
* returns the number of characters consumed, or -1 on error. */
|
||||
int gen_parse_grammer_overide(struct gen_ins_state *state,
|
||||
struct gen_ins_override *over, char *value);
|
||||
|
||||
/* Given a grammer for an instruction, read all args as values into the
|
||||
* instruction generator state. */
|
||||
int gen_read_grammer_state(struct generator *gen,
|
||||
struct expr *const expr,
|
||||
struct gen_ins_state *state,
|
||||
struct mips32_grammer *grammer);
|
||||
|
||||
/* Given a grammer for an instruction, and a read state, output multiple
|
||||
* instructions into the current section in the generator. note:
|
||||
* this write_grammer is different from the read grammer such that
|
||||
* it supports paramater reassignment and overides. */
|
||||
int gen_write_grammer_state(struct generator *gen,
|
||||
struct gen_ins_state *state,
|
||||
char *write_grammer);
|
||||
|
||||
///
|
||||
/// generates assembley
|
||||
/// from a parser stream
|
||||
|
|
@ -198,15 +106,8 @@ struct generator {
|
|||
struct symbol_table symtab;
|
||||
};
|
||||
|
||||
/* output the source code lines for a provided expression */
|
||||
void gen_output_expr(struct generator *gen, struct expr *expr);
|
||||
|
||||
/* generate the input as mips32r6 */
|
||||
int generate_mips32r6(struct generator *gen);
|
||||
/* run codegen with the mips32r2 specification */
|
||||
int generate_mips32r2(struct generator *gen);
|
||||
/* run codegen with the mips32r6 specification */
|
||||
int generate_mips1(struct generator *gen);
|
||||
|
||||
/* initalize a generator */
|
||||
int generator_init(const char *file, struct generator *gen);
|
||||
|
|
|
|||
|
|
@ -1,643 +0,0 @@
|
|||
#include <strings.h>
|
||||
#include <string.h>
|
||||
#include <merror.h>
|
||||
|
||||
#include "../gen.h"
|
||||
#include "mips.h"
|
||||
|
||||
struct grammer_mapping {
|
||||
char *name;
|
||||
int name_len;
|
||||
enum grammer_type type;
|
||||
};
|
||||
|
||||
#define MAPPING(name, enum) {name, sizeof(name), GMR_ ##enum}
|
||||
|
||||
static const struct grammer_mapping grammer_mappings[__GMR_LEN] = {
|
||||
// registers
|
||||
MAPPING("rd", RD),
|
||||
MAPPING("rs", RS),
|
||||
MAPPING("rt", RT),
|
||||
// fp registers
|
||||
MAPPING("fs", FS),
|
||||
MAPPING("ft", FT),
|
||||
MAPPING("fd", FD),
|
||||
// numberic fileds
|
||||
MAPPING("immd", IMMD),
|
||||
MAPPING("cc", CC),
|
||||
MAPPING("code", CODE),
|
||||
MAPPING("pos", POS),
|
||||
MAPPING("size", SIZE),
|
||||
MAPPING("hb", HB),
|
||||
MAPPING("hint", HINT),
|
||||
// addresses
|
||||
MAPPING("hi", HI),
|
||||
MAPPING("lo", LO),
|
||||
MAPPING("target", TARGET),
|
||||
MAPPING("offset", OFFSET),
|
||||
MAPPING("offset(base)", OFFSET_BASE),
|
||||
MAPPING("index(base)", INDEX_BASE)
|
||||
};
|
||||
|
||||
/* Parses the input string and matches it to a grammer type. Returns
|
||||
* the number of characters consumed, or -1 on error.
|
||||
*/
|
||||
int gen_parse_grammer_type(const char *name, enum grammer_type *res)
|
||||
{
|
||||
for (int i = 0; i < __GMR_LEN; i++) {
|
||||
const struct grammer_mapping *mapping = &grammer_mappings[i];
|
||||
if (strncasecmp(name, mapping->name, mapping->name_len) != 0)
|
||||
continue;
|
||||
if (res != NULL)
|
||||
*res = mapping->type;
|
||||
return mapping->name_len;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Parses a register name, returing 0 on success, 1 on error*/
|
||||
int gen_parse_register(enum mips32_register *reg, struct string *name)
|
||||
{
|
||||
int len = name->len;
|
||||
int c0 = len > 0 ? name->str[0] : '\0',
|
||||
c1 = len > 1 ? name->str[1] : '\0',
|
||||
c2 = len > 2 ? name->str[2] : '\0',
|
||||
c3 = len > 3 ? name->str[3] : '\0';
|
||||
|
||||
// $zero
|
||||
if (c0 == 'z') {
|
||||
if (c1 == 'e' && c2 == 'r' && c3 == 'o') {
|
||||
*reg = MIPS32_REG_ZERO;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $a0-a3 $at
|
||||
else if (c0 == 'a') {
|
||||
if (c1 == 't') {
|
||||
*reg = MIPS32_REG_AT;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
if (c1 >= '0' && c1 <= '3') {
|
||||
*reg = MIPS32_REG_A0;
|
||||
*reg += c1 - '0';
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $v0-v1
|
||||
else if (c0 == 'v') {
|
||||
if (c1 >= '0' && c1 <= '1') {
|
||||
*reg = MIPS32_REG_V0;
|
||||
*reg += c1 - '0';
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $t0-t9
|
||||
else if (c0 == 't') {
|
||||
if (c1 >= '0' && c1 <= '7') {
|
||||
*reg = MIPS32_REG_T0;
|
||||
*reg += c1 - '0';
|
||||
return M_SUCCESS;
|
||||
}
|
||||
// reg T8-T9 are not in order with T0-T7
|
||||
if (c1 >= '8' && c1 <= '9') {
|
||||
*reg = MIPS32_REG_T8;
|
||||
*reg += c1 - '8';
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $s0-s7 $sp
|
||||
else if (c0 == 's') {
|
||||
if (c1 >= '0' && c1 <= '7') {
|
||||
*reg = MIPS32_REG_S0;
|
||||
*reg += c1 - '0';
|
||||
return M_SUCCESS;
|
||||
}
|
||||
if (c1 == 'p') {
|
||||
*reg = MIPS32_REG_SP;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $k0-k1
|
||||
else if (c0 == 'k') {
|
||||
if (c1 >= '0' && c1 <= '1') {
|
||||
*reg = MIPS32_REG_K0;
|
||||
*reg += c1 - '0';
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $gp
|
||||
else if (c0 == 'g') {
|
||||
if (c1 == 'p') {
|
||||
*reg = MIPS32_REG_GP;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $fp
|
||||
else if (c0 == 'f') {
|
||||
if (c1 == 'p') {
|
||||
*reg = MIPS32_REG_FP;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $rp
|
||||
else if (c0 == 'r') {
|
||||
if (c1 == 'a') {
|
||||
*reg = MIPS32_REG_RA;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
// $0-31 (non aliased register names)
|
||||
else if (c0 >= '0' && c0 <= '9') {
|
||||
int i = c0 - '0';
|
||||
if (c1 >= '0' && c1 <= '9') {
|
||||
i *= 10;
|
||||
i += c1 - '0';
|
||||
}
|
||||
if (i <= 31) {
|
||||
*reg = i;
|
||||
return M_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
ERROR("unknown register $%.*s", name->len, name->str);
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Parses a floating point register name, returing 0 on success, 1 on error*/
|
||||
int gen_parse_fp_register(enum mips32_fp_register *reg, struct string *name)
|
||||
{
|
||||
int len = name->len;
|
||||
int c0 = len > 0 ? name->str[0] : '\0',
|
||||
c1 = len > 1 ? name->str[1] : '\0',
|
||||
c2 = len > 2 ? name->str[2] : '\0';
|
||||
|
||||
*reg = 0;
|
||||
|
||||
if (c0 != 'f')
|
||||
goto error;
|
||||
|
||||
if (c1 < '0' || c1 > '9')
|
||||
goto error;
|
||||
|
||||
*reg += c1 - '0';
|
||||
|
||||
if (c1 == '\0')
|
||||
return M_SUCCESS;
|
||||
|
||||
if (c2 < '0' || c2 > '9')
|
||||
goto error;
|
||||
|
||||
*reg *= 10;
|
||||
*reg += c2 - '0';
|
||||
|
||||
return M_SUCCESS;
|
||||
|
||||
error:
|
||||
ERROR("unknown fp register $%.*s", name->len, name->str);
|
||||
return 1;
|
||||
|
||||
}
|
||||
|
||||
/* convert string to number with int len max length */
|
||||
static int antoi(char *str, int len)
|
||||
{
|
||||
char c;
|
||||
int num = 0;
|
||||
|
||||
while (c = *str++, len--) {
|
||||
if (c < '0' || c > '9')
|
||||
break;
|
||||
num *= 10;
|
||||
num += c - '0';
|
||||
}
|
||||
|
||||
return num;
|
||||
}
|
||||
|
||||
/* Parses the override expression (after the =) in the dsl for the grammer.
|
||||
* returns the number of characters consumed, or -1 on error. */
|
||||
int gen_parse_grammer_override(struct gen_ins_state *state,
|
||||
struct gen_ins_override *over, char *value)
|
||||
{
|
||||
int value_len = 0;
|
||||
|
||||
/* get length of value */
|
||||
for (const char *ptr = value;
|
||||
*ptr != '\0' && *ptr != ',';
|
||||
ptr++, value_len++);
|
||||
|
||||
// rd
|
||||
if (strncmp("rd", value, value_len))
|
||||
over->reg = state->rd;
|
||||
// rs
|
||||
else if (strncmp("rs", value, value_len))
|
||||
over->reg = state->rs;
|
||||
// rt
|
||||
else if (strncmp("rt", value, value_len))
|
||||
over->reg = state->rt;
|
||||
|
||||
// fd
|
||||
else if (strncmp("fd", value, value_len))
|
||||
over->fpreg = state->fd;
|
||||
// fs
|
||||
else if (strncmp("fs", value, value_len))
|
||||
over->fpreg = state->fs;
|
||||
// ft
|
||||
else if (strncmp("ft", value, value_len))
|
||||
over->fpreg = state->ft;
|
||||
|
||||
// immd
|
||||
else if (strncmp("immd", value, value_len))
|
||||
over->immd = state->immd;
|
||||
// -immd
|
||||
else if (strncmp("-immd", value, value_len))
|
||||
over->immd = -state->immd;
|
||||
|
||||
// floating point register
|
||||
else if (value_len > 2 && value[0] == '$' && value[1] == 'f') {
|
||||
struct string temp = {
|
||||
.str = value + 1,
|
||||
.len = value_len - 1
|
||||
};
|
||||
if (gen_parse_fp_register(&over->fpreg, &temp))
|
||||
return -1;
|
||||
}
|
||||
|
||||
// register
|
||||
else if (value_len > 1 && value[0] == '$') {
|
||||
struct string temp = {
|
||||
.str = value + 1,
|
||||
.len = value_len - 1
|
||||
};
|
||||
if (gen_parse_register(&over->reg, &temp))
|
||||
return -1;
|
||||
}
|
||||
|
||||
// number
|
||||
else
|
||||
over->immd = antoi(value, value_len);
|
||||
|
||||
return value_len;
|
||||
}
|
||||
|
||||
static int read_next_state(struct expr_ins_arg *arg,
|
||||
struct gen_ins_state *state,
|
||||
enum grammer_type type)
|
||||
{
|
||||
switch (type) {
|
||||
case GMR_RD:
|
||||
// rd
|
||||
if (arg->type != EXPR_INS_ARG_REGISTER) {
|
||||
ERROR("expected a register");
|
||||
return 1;
|
||||
}
|
||||
if (gen_parse_register(&state->rd, &arg->reg))
|
||||
return 1;
|
||||
break;
|
||||
case GMR_RS:
|
||||
// rs
|
||||
if (arg->type != EXPR_INS_ARG_REGISTER) {
|
||||
ERROR("expected a register");
|
||||
return 1;
|
||||
}
|
||||
if (gen_parse_register(&state->rs, &arg->reg))
|
||||
return 1;
|
||||
break;
|
||||
case GMR_RT:
|
||||
// rt
|
||||
if (arg->type != EXPR_INS_ARG_REGISTER) {
|
||||
ERROR("expected a register");
|
||||
return 1;
|
||||
}
|
||||
if (gen_parse_register(&state->rt, &arg->reg))
|
||||
return 1;
|
||||
break;
|
||||
case GMR_FS:
|
||||
// fs
|
||||
if (arg->type != EXPR_INS_ARG_REGISTER) {
|
||||
ERROR("expected a register");
|
||||
return 1;
|
||||
}
|
||||
if (gen_parse_fp_register(&state->fs, &arg->reg))
|
||||
return 1;
|
||||
break;
|
||||
case GMR_FT:
|
||||
// ft
|
||||
if (arg->type != EXPR_INS_ARG_REGISTER) {
|
||||
ERROR("expected a register");
|
||||
return 1;
|
||||
}
|
||||
if (gen_parse_fp_register(&state->ft, &arg->reg))
|
||||
return 1;
|
||||
break;
|
||||
case GMR_FD:
|
||||
// fd
|
||||
if (arg->type != EXPR_INS_ARG_REGISTER) {
|
||||
ERROR("expected a register");
|
||||
return 1;
|
||||
}
|
||||
if (gen_parse_fp_register(&state->fd, &arg->reg))
|
||||
return 1;
|
||||
break;
|
||||
case GMR_IMMD:
|
||||
// immd
|
||||
if (arg->type != EXPR_INS_ARG_IMMEDIATE) {
|
||||
ERROR("expected an immediate");
|
||||
return 1;
|
||||
}
|
||||
state->immd = arg->immd;
|
||||
break;
|
||||
case GMR_CC:
|
||||
// cc
|
||||
if (arg->type != EXPR_INS_ARG_IMMEDIATE) {
|
||||
ERROR("expected an immediate");
|
||||
return 1;
|
||||
}
|
||||
state->cc = arg->immd;
|
||||
break;
|
||||
case GMR_CODE:
|
||||
// code
|
||||
if (arg->type != EXPR_INS_ARG_IMMEDIATE) {
|
||||
ERROR("expected an immediate");
|
||||
return 1;
|
||||
}
|
||||
state->code = arg->immd;
|
||||
break;
|
||||
case GMR_POS:
|
||||
// pos
|
||||
if (arg->type != EXPR_INS_ARG_IMMEDIATE) {
|
||||
ERROR("expected an immediate");
|
||||
return 1;
|
||||
}
|
||||
state->pos = arg->immd;
|
||||
break;
|
||||
case GMR_SIZE:
|
||||
// size
|
||||
if (arg->type != EXPR_INS_ARG_IMMEDIATE) {
|
||||
ERROR("expected an immediate");
|
||||
return 1;
|
||||
}
|
||||
// TODO: check valid size
|
||||
state->size = arg->immd;
|
||||
break;
|
||||
case GMR_HB:
|
||||
// hb
|
||||
if (arg->type != EXPR_INS_ARG_IMMEDIATE) {
|
||||
ERROR("expected an immediate");
|
||||
return 1;
|
||||
}
|
||||
state->hb = !!(arg->immd);
|
||||
break;
|
||||
case GMR_HINT:
|
||||
// hint
|
||||
if (arg->type != EXPR_INS_ARG_IMMEDIATE) {
|
||||
ERROR("expected an immediate");
|
||||
return 1;
|
||||
}
|
||||
state->hint = arg-> immd;
|
||||
break;
|
||||
case GMR_OFFSET:
|
||||
// offset
|
||||
state->offset = 0;
|
||||
if (arg->type == EXPR_INS_ARG_IMMEDIATE)
|
||||
state->offset = arg->immd;
|
||||
else if (arg->type == EXPR_INS_ARG_LABEL)
|
||||
state->label = &arg->label;
|
||||
else {
|
||||
ERROR("invalid instruction");
|
||||
return 1;
|
||||
}
|
||||
break;
|
||||
case GMR_OFFSET_BASE:
|
||||
// offset(base)
|
||||
if (arg->type != EXPR_INS_ARG_OFFSET) {
|
||||
ERROR("expected an offset($base)");
|
||||
return 1;
|
||||
}
|
||||
state->offset = arg->offset.immd;
|
||||
if (gen_parse_register(&state->base, &arg->offset.reg))
|
||||
return 1;
|
||||
break;
|
||||
case GMR_INDEX_BASE:
|
||||
// index(base)
|
||||
if (arg->type != EXPR_INS_ARG_OFFSET) {
|
||||
ERROR("expected an index($base)");
|
||||
return 1;
|
||||
}
|
||||
state->index = arg->offset.immd;
|
||||
if (gen_parse_register(&state->base, &arg->offset.reg))
|
||||
return 1;
|
||||
break;
|
||||
case GMR_TARGET:
|
||||
// target
|
||||
state->target = 0;
|
||||
if (arg->type == EXPR_INS_ARG_IMMEDIATE)
|
||||
state->target = arg->immd;
|
||||
else if (arg->type == EXPR_INS_ARG_LABEL)
|
||||
state->label = &arg->label;
|
||||
else {
|
||||
ERROR("invalid instruction");
|
||||
return 1;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int gen_read_grammer_state(struct generator *gen,
|
||||
struct expr *const expr,
|
||||
struct gen_ins_state *state,
|
||||
struct mips32_grammer *grammer)
|
||||
{
|
||||
|
||||
char *ptr = grammer->grammer;
|
||||
uint32_t argi = 0;
|
||||
|
||||
// read values into state
|
||||
while (*ptr != '\0') {
|
||||
struct expr_ins_arg *arg;
|
||||
enum grammer_type type;
|
||||
size_t consumed;
|
||||
|
||||
if (argi >= expr->instruction.args_len) {
|
||||
ERROR("not enough arguments passed");
|
||||
gen_output_expr(gen, expr);
|
||||
return 1;
|
||||
}
|
||||
|
||||
arg = &expr->instruction.args[argi++];
|
||||
consumed = gen_parse_grammer_type(ptr, &type);
|
||||
|
||||
if (consumed < 0) {
|
||||
BUG("invalid grammer: %s", grammer);
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (read_next_state(arg, state, type)) {
|
||||
gen_output_expr(gen, expr);
|
||||
return 1;
|
||||
}
|
||||
|
||||
ptr += consumed;
|
||||
|
||||
if (*ptr == ',') {
|
||||
ptr++;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (*ptr != '\0') {
|
||||
BUG("invalid grammer: %s", grammer);
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int write_next_state(struct gen_ins_state *state,
|
||||
struct gen_ins_override *over,
|
||||
union mips32_instruction *ins,
|
||||
enum reference_type *reftype,
|
||||
char *ptr)
|
||||
{
|
||||
enum grammer_type type;
|
||||
size_t consumed;
|
||||
bool hc = false;
|
||||
|
||||
consumed = gen_parse_grammer_type(ptr, &type);
|
||||
|
||||
if (consumed < 0) {
|
||||
BUG("invalid grammer: %s", ptr);
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (*(ptr + consumed) == '=') {
|
||||
hc = true;
|
||||
consumed += gen_parse_grammer_override(state, over, ptr);
|
||||
|
||||
if (consumed < 0) {
|
||||
BUG("invalid grammer: %s", ptr);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
switch (type) {
|
||||
case GMR_RD:
|
||||
ins->rd = hc ? over->reg : state->rd;
|
||||
break;
|
||||
case GMR_RS:
|
||||
ins->rs = hc ? over->reg : state->rs;
|
||||
break;
|
||||
case GMR_RT:
|
||||
ins->rt = hc ? over->reg : state->rt;
|
||||
break;
|
||||
case GMR_FS:
|
||||
ins->fs = hc ? over->fpreg : state->fs;
|
||||
break;
|
||||
case GMR_FT:
|
||||
ins->ft = hc ? over->fpreg : state->ft;
|
||||
break;
|
||||
case GMR_FD:
|
||||
ins->fd = hc ? over->fpreg : state->fd;
|
||||
break;
|
||||
case GMR_IMMD:
|
||||
ins->immd = hc ? over->immd : state->immd;
|
||||
break;
|
||||
case GMR_CC:
|
||||
ins->cc = state->cc;
|
||||
break;
|
||||
case GMR_CODE:
|
||||
ins->code = state->code;
|
||||
break;
|
||||
case GMR_POS:
|
||||
ins->shamt = state->pos;
|
||||
break;
|
||||
case GMR_SIZE:
|
||||
ins->rd = state->size ? state->size - 1 : 0;
|
||||
break;
|
||||
case GMR_HB:
|
||||
ins->hb = hc ? over->immd : state->hb;
|
||||
break;
|
||||
case GMR_HINT:
|
||||
ins->rt = state->hint;
|
||||
break;
|
||||
case GMR_OFFSET:
|
||||
ins->offset = state->offset;
|
||||
*reftype = REF_MIPS_PC16;
|
||||
break;
|
||||
case GMR_OFFSET_BASE:
|
||||
ins->offset = state->offset;
|
||||
ins->rs = state->base;
|
||||
*reftype = REF_MIPS_16;
|
||||
break;
|
||||
case GMR_INDEX_BASE:
|
||||
ins->rt = state->index;
|
||||
ins->rs = state->base;
|
||||
break;
|
||||
case GMR_TARGET:
|
||||
ins->target = state->target;
|
||||
*reftype = REF_MIPS_26;
|
||||
break;
|
||||
case GMR_HI:
|
||||
ins->immd = state->target >> 16;
|
||||
*reftype = REF_MIPS_HI16;
|
||||
break;
|
||||
case GMR_LO:
|
||||
ins->immd = state->target & 0x0000FFFF;
|
||||
*reftype = REF_MIPS_LO16;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return consumed;
|
||||
}
|
||||
|
||||
|
||||
int gen_write_grammer_state(struct generator *gen,
|
||||
struct gen_ins_state *state,
|
||||
char *grammer)
|
||||
{
|
||||
enum reference_type reftype = REF_NONE;
|
||||
struct gen_ins_override over;
|
||||
char *ptr = grammer;
|
||||
|
||||
union mips32_instruction ins;
|
||||
|
||||
while (*ptr != '\0') {
|
||||
int consumed;
|
||||
|
||||
consumed = write_next_state(state, &over,
|
||||
&ins, &reftype, ptr);
|
||||
|
||||
if (consumed < 0)
|
||||
return 1;
|
||||
|
||||
ptr += consumed;
|
||||
|
||||
if (*ptr == ',') {
|
||||
ptr++;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (*ptr != '\0') {
|
||||
BUG("invalid grammer: %s", grammer);
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
|
@ -1,28 +0,0 @@
|
|||
#include "../gen.h"
|
||||
|
||||
void gen_output_expr(struct generator *gen, struct expr *expr)
|
||||
{
|
||||
int line = expr->line_no,
|
||||
len = expr->byte_end - expr->byte_start,
|
||||
nl = true,
|
||||
c = EOF;
|
||||
FILE *file = gen->parser.lexer.file;
|
||||
|
||||
fseek(file, expr->byte_start, SEEK_SET);
|
||||
|
||||
while (len--) {
|
||||
c = getc(file);
|
||||
if (c == EOF || c == '\0')
|
||||
break;
|
||||
if (nl) {
|
||||
fprintf(stderr, "\t%d | ", line);
|
||||
line++;
|
||||
nl = false;
|
||||
}
|
||||
if (c == '\n')
|
||||
nl = true;
|
||||
putc(c, stderr);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
|
@ -1,156 +0,0 @@
|
|||
#include "../gen.h"
|
||||
|
||||
#include <strings.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <merror.h>
|
||||
|
||||
struct section_default {
|
||||
char *name;
|
||||
int name_len;
|
||||
|
||||
bool read;
|
||||
bool write;
|
||||
bool execute;
|
||||
int alignment;
|
||||
};
|
||||
|
||||
#define SECTION_DEFAULTS_LEN 7
|
||||
#define MAPPING(name, ...) {name, sizeof(name), __VA_ARGS__}
|
||||
static const struct section_default section_defaults[SECTION_DEFAULTS_LEN] = {
|
||||
MAPPING(".text", true, false, true, 4),
|
||||
MAPPING(".code", true, false, true, 4),
|
||||
MAPPING(".data", true, true, false, 1),
|
||||
MAPPING(".stack", true, true, false, 1),
|
||||
MAPPING(".rodata", true, false, false, 1),
|
||||
MAPPING(".bss", true, true, false, 1),
|
||||
MAPPING(".robss", true, false, false, 1),
|
||||
};
|
||||
|
||||
static void section_get_default_perm(struct section *sec, const char *name)
|
||||
{
|
||||
for (int i = 0; i < SECTION_DEFAULTS_LEN; i++) {
|
||||
const struct section_default *defaults = §ion_defaults[i];
|
||||
if (strncasecmp(name, defaults->name, defaults->name_len))
|
||||
continue;
|
||||
sec->read = defaults->read;
|
||||
sec->write = defaults->write;
|
||||
sec->execute = defaults->execute;
|
||||
sec->align = defaults->alignment;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
int gen_get_section(struct generator *gen, struct section **res,
|
||||
struct string *name)
|
||||
{
|
||||
/// find the section if it exists
|
||||
for (size_t i = 0; i < gen->sections_len; i++) {
|
||||
struct section *sec = &gen->sections[i];
|
||||
if (sec->name.len != name->len)
|
||||
continue;
|
||||
if (strcmp(sec->name.str, name->str) != 0)
|
||||
continue;
|
||||
*res = sec;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/// allocate a new one if it doesnt
|
||||
size_t size = gen->sections_size ? gen->sections_size * 2 : 8;
|
||||
void *new = realloc(gen->sections, size * sizeof(struct section));
|
||||
if (new == NULL) {
|
||||
PERROR("cannot realloc");
|
||||
return 1;
|
||||
}
|
||||
|
||||
gen->sections_size = size;
|
||||
gen->sections = new;
|
||||
|
||||
struct section *sec = &gen->sections[gen->sections_len++];
|
||||
if (section_init(sec, name))
|
||||
return 1;
|
||||
|
||||
*res = sec;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int section_init(struct section *sec, struct string *name)
|
||||
{
|
||||
sec->len = 0;
|
||||
sec->size = 0;
|
||||
sec->align = 1;
|
||||
sec->data = NULL;
|
||||
sec->read = true;
|
||||
sec->write = true;
|
||||
sec->execute = false;
|
||||
|
||||
// set defaults
|
||||
section_get_default_perm(sec, name->str);
|
||||
|
||||
// alloc reftab
|
||||
if (reftab_init(&sec->reftab))
|
||||
return 1;
|
||||
|
||||
// copy name
|
||||
if (string_clone(&sec->name, name))
|
||||
return 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int section_extend(struct section *section, size_t space)
|
||||
{
|
||||
size_t newlen = section->len + space;
|
||||
if (newlen < section->size)
|
||||
return M_SUCCESS;
|
||||
|
||||
size_t size = section->size ? section->size * 2 + newlen : newlen * 2;
|
||||
void *new = realloc(section->data, size);
|
||||
if (new == NULL) {
|
||||
PERROR("cannot realloc");
|
||||
return M_ERROR;
|
||||
}
|
||||
section->size = size;
|
||||
section->data = new;
|
||||
|
||||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
int section_push(struct section *section, void *data, size_t len)
|
||||
{
|
||||
size_t newlen = section->len + len;
|
||||
size_t zeros = newlen % section->align;
|
||||
if (zeros)
|
||||
zeros = section->align - zeros;
|
||||
|
||||
if (section_extend(section, len + zeros))
|
||||
return M_ERROR;
|
||||
|
||||
memset(section->data + section->len, 0, zeros);
|
||||
memcpy(section->data + section->len + zeros, data, len);
|
||||
section->len += len + zeros;
|
||||
|
||||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
int section_zero(struct section *section, size_t len)
|
||||
{
|
||||
size_t zeros = section->len % section->align;
|
||||
if (zeros)
|
||||
zeros = section->align - zeros;
|
||||
|
||||
if (section_extend(section, len + zeros))
|
||||
return M_ERROR;
|
||||
|
||||
memset(section->data + section->len, 0, len + zeros);
|
||||
section->len += len + zeros;
|
||||
|
||||
return M_SUCCESS;
|
||||
}
|
||||
|
||||
void section_free(struct section *section)
|
||||
{
|
||||
reftab_free(§ion->reftab);
|
||||
string_free(§ion->name);
|
||||
free(section->data);
|
||||
}
|
||||
134
masm/main.c
134
masm/main.c
|
|
@ -1,151 +1,33 @@
|
|||
#include <unistd.h>
|
||||
#include <merror.h>
|
||||
#include <string.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#include "gen.h"
|
||||
#include "masm.h"
|
||||
#include "asm/elf32.h"
|
||||
#include "asm.h"
|
||||
|
||||
void help(void) {
|
||||
printf(
|
||||
"usage: masm [options] source.asm\n"
|
||||
"\n"
|
||||
"options: \n"
|
||||
" -h print the help message \n"
|
||||
" -g assume undefined symbols are external\n"
|
||||
" -o <output> specify the object file output name \n"
|
||||
" -a <abi> specify mips abi used [none, o32] \n"
|
||||
" default: o32 \n"
|
||||
" -i <isa> mips machine isa to assemble for [mips1, mips32r2, mips32r6] \n"
|
||||
" default: mips32r6\n"
|
||||
" -f <format> specify the object file format [elf32] \n"
|
||||
" defualt: elf32\n"
|
||||
);
|
||||
}
|
||||
|
||||
static int read_isa(enum isa *isa, const char *str)
|
||||
{
|
||||
#define __ISA_CHK(name) \
|
||||
if (strcasecmp(#name, str) == 0) { \
|
||||
*isa = ISA_ ##name; \
|
||||
return M_SUCCESS; \
|
||||
} \
|
||||
|
||||
__ISA_CHK(MIPS1);
|
||||
__ISA_CHK(MIPS32R2);
|
||||
__ISA_CHK(MIPS32R6);
|
||||
|
||||
ERROR("invalid isa '%s'", str);
|
||||
return M_ERROR;
|
||||
}
|
||||
|
||||
static int read_abi(enum abi *abi, const char *str)
|
||||
{
|
||||
#define __ABI_CHK(name) \
|
||||
if (strcasecmp(#name, str) == 0) { \
|
||||
*abi = ABI_ ##name; \
|
||||
return M_SUCCESS; \
|
||||
} \
|
||||
|
||||
|
||||
__ABI_CHK(O32);
|
||||
__ABI_CHK(NONE);
|
||||
|
||||
ERROR("invalid abi '%s'", str);
|
||||
return M_ERROR;
|
||||
}
|
||||
|
||||
static int read_format(enum format *format, const char *str)
|
||||
{
|
||||
#define __FORMAT_CHK(name) \
|
||||
if (strcasecmp(#name, str) == 0) { \
|
||||
*format = FORMAT_ ##name; \
|
||||
return M_SUCCESS; \
|
||||
} \
|
||||
|
||||
|
||||
__FORMAT_CHK(ELF32);
|
||||
|
||||
ERROR("invalid format '%s'", str);
|
||||
return M_ERROR;
|
||||
}
|
||||
|
||||
static int generate(struct generator *gen, struct arguments *args)
|
||||
{
|
||||
if (generator_init(args->in_file, gen))
|
||||
return M_ERROR;
|
||||
|
||||
switch (args->isa) {
|
||||
case ISA_MIPS1:
|
||||
return generate_mips1(gen);
|
||||
case ISA_MIPS32R2:
|
||||
return generate_mips32r2(gen);
|
||||
case ISA_MIPS32R6:
|
||||
return generate_mips32r6(gen);
|
||||
}
|
||||
|
||||
return M_ERROR;
|
||||
}
|
||||
|
||||
static int assemble(struct arguments *args)
|
||||
{
|
||||
struct generator gen;
|
||||
int res = M_SUCCESS;
|
||||
|
||||
if (generate(&gen, args))
|
||||
return M_ERROR;
|
||||
|
||||
switch (args->format) {
|
||||
case FORMAT_ELF32:
|
||||
res = assemble_elf32(&gen, args);
|
||||
break;
|
||||
default:
|
||||
res = M_ERROR;
|
||||
break;
|
||||
}
|
||||
|
||||
generator_free(&gen);
|
||||
|
||||
return res;
|
||||
printf("usage: masm [options] source.asm\n\n");
|
||||
printf("options:\n");
|
||||
printf("\t-h\t\tprints this help message\n");
|
||||
printf("\t-o <output>\tselect a output file destination\n");
|
||||
}
|
||||
|
||||
int main(int argc, char **argv) {
|
||||
|
||||
struct arguments args = {
|
||||
struct assembler_arguments args = {
|
||||
.in_file = NULL,
|
||||
.out_file = "out.o",
|
||||
.extern_undefined = false,
|
||||
.isa = ISA_MIPS32R6,
|
||||
.abi = ABI_O32,
|
||||
.format = FORMAT_ELF32
|
||||
};
|
||||
|
||||
int c;
|
||||
|
||||
while ((c = getopt(argc, argv, "hgo:a:i:f:")) != 1) {
|
||||
while ((c = getopt(argc, argv, "ho:")) != 1) {
|
||||
switch(c) {
|
||||
case 'h':
|
||||
help();
|
||||
return M_SUCCESS;
|
||||
case 'g':
|
||||
args.extern_undefined = true;
|
||||
break;
|
||||
case 'o':
|
||||
args.out_file = optarg;
|
||||
break;
|
||||
case 'a':
|
||||
if (read_abi(&args.abi, optarg))
|
||||
return M_ERROR;
|
||||
break;
|
||||
case 'i':
|
||||
if (read_isa(&args.isa, optarg))
|
||||
return M_ERROR;
|
||||
break;
|
||||
case 'f':
|
||||
if (read_format(&args.format, optarg))
|
||||
return M_ERROR;
|
||||
break;
|
||||
case '?':
|
||||
return M_ERROR;
|
||||
default:
|
||||
|
|
@ -166,5 +48,5 @@ next:
|
|||
|
||||
args.in_file = argv[optind];
|
||||
|
||||
return assemble(&args);
|
||||
return assemble_file(args);
|
||||
}
|
||||
|
|
|
|||
45
masm/masm.h
45
masm/masm.h
|
|
@ -1,45 +0,0 @@
|
|||
/* Copyright (c) 2024 Freya Murphy */
|
||||
|
||||
#ifndef __MASM_H__
|
||||
#define __MASM_H__
|
||||
|
||||
// isa to asemble for
|
||||
enum isa {
|
||||
ISA_MIPS1, // a.k.a mipsR2000
|
||||
ISA_MIPS32R2,
|
||||
ISA_MIPS32R6,
|
||||
};
|
||||
|
||||
// abi to mark output object
|
||||
enum abi {
|
||||
ABI_O32, // mips o32 abi
|
||||
ABI_NONE, // no flag output
|
||||
};
|
||||
|
||||
// format for the object file
|
||||
enum format {
|
||||
FORMAT_ELF32,
|
||||
};
|
||||
|
||||
// defines arguments
|
||||
struct arguments {
|
||||
// files to read from and
|
||||
// write to
|
||||
char *in_file;
|
||||
char *out_file;
|
||||
|
||||
// if undefined symbols should
|
||||
// be treated as extern
|
||||
bool extern_undefined;
|
||||
|
||||
// isa to assemble for
|
||||
enum isa isa;
|
||||
|
||||
// abi to mark object
|
||||
enum abi abi;
|
||||
|
||||
// format to output
|
||||
enum format format;
|
||||
};
|
||||
|
||||
#endif /* __ASM_H__ */
|
||||
|
|
@ -1,7 +1,7 @@
|
|||
#include <stdlib.h>
|
||||
#include <merror.h>
|
||||
|
||||
#include "../tab.h"
|
||||
#include "tab.h"
|
||||
|
||||
#define REFTAB_INIT_LEN 8
|
||||
|
||||
|
|
@ -2,7 +2,7 @@
|
|||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#include "elf32.h"
|
||||
#include "asm.h"
|
||||
|
||||
int strtab_get_str(struct elf_str_table *strtab, const char *str, size_t *res)
|
||||
{
|
||||
|
|
@ -5,7 +5,8 @@
|
|||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "../tab.h"
|
||||
#include "lex.h"
|
||||
#include "tab.h"
|
||||
|
||||
#define SYMTBL_INIT_LEN 24
|
||||
|
||||
|
|
@ -1,25 +0,0 @@
|
|||
# Copyright (c) 2024 Freya Murphy
|
||||
|
||||
# file: pseudo.asm
|
||||
# test: test pseudo dsl parser
|
||||
|
||||
.text
|
||||
.align 2
|
||||
.globl main
|
||||
|
||||
|
||||
main:
|
||||
li $t0, 0
|
||||
li $t1, 1
|
||||
ble $t0, $t1, less
|
||||
nop
|
||||
|
||||
less:
|
||||
beqz $t0, exit
|
||||
nop
|
||||
|
||||
exit:
|
||||
# return
|
||||
slte $a0, $t0, $t1
|
||||
jr $ra
|
||||
nop
|
||||
|
|
@ -1 +0,0 @@
|
|||
0
|
||||
Loading…
Reference in a new issue