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-rw-r--r--include/mips.h467
1 files changed, 0 insertions, 467 deletions
diff --git a/include/mips.h b/include/mips.h
deleted file mode 100644
index 9a1b204..0000000
--- a/include/mips.h
+++ /dev/null
@@ -1,467 +0,0 @@
-/* Copyright (c) 2024 Freya Murphy */
-
-#ifndef __MIPS_H__
-#define __MIPS_H__
-
-#include <mlimits.h>
-#include <stdint.h>
-
-/* all mips registers $0-$31 */
-enum mips_register {
- MIPS_REG_ZERO = 0,
- MIPS_REG_AT = 1,
- MIPS_REG_V0 = 2,
- MIPS_REG_V1 = 3,
- MIPS_REG_A0 = 4,
- MIPS_REG_A1 = 5,
- MIPS_REG_A2 = 6,
- MIPS_REG_A3 = 7,
- MIPS_REG_T0 = 8,
- MIPS_REG_T1 = 9,
- MIPS_REG_T2 = 10,
- MIPS_REG_T3 = 11,
- MIPS_REG_T4 = 12,
- MIPS_REG_T5 = 13,
- MIPS_REG_T6 = 14,
- MIPS_REG_T7 = 15,
- MIPS_REG_S0 = 16,
- MIPS_REG_S1 = 17,
- MIPS_REG_S2 = 18,
- MIPS_REG_S3 = 19,
- MIPS_REG_S4 = 20,
- MIPS_REG_S5 = 21,
- MIPS_REG_S6 = 22,
- MIPS_REG_S7 = 23,
- MIPS_REG_T8 = 24,
- MIPS_REG_T9 = 25,
- MIPS_REG_K0 = 26,
- MIPS_REG_K1 = 27,
- MIPS_REG_GP = 28,
- MIPS_REG_SP = 29,
- MIPS_REG_FP = 30,
- MIPS_REG_RA = 31,
-};
-
-/* mips instructions */
-enum mips_instruction_type {
- MIPS_INS_ADD,
- MIPS_INS_ADDI,
- MIPS_INS_ADDIU,
- MIPS_INS_ADDU,
- MIPS_INS_AND,
- MIPS_INS_ANDI,
- MIPS_INS_BAL,
- MIPS_INS_BALC,
- MIPS_INS_BC,
- MIPS_INS_BEQ,
- MIPS_INS_BEQL,
- MIPS_INS_BGEZ,
- MIPS_INS_BGEZAL,
- MIPS_INS_BGEZALL,
- MIPS_INS_BGEZL,
- MIPS_INS_BGTZ,
- MIPS_INS_BGTZL,
- MIPS_INS_BLEZ,
- MIPS_INS_BLEZL,
- MIPS_INS_BLTZ,
- MIPS_INS_BLTZAL,
- MIPS_INS_BLTZALL,
- MIPS_INS_BLTZL,
- MIPS_INS_BNE,
- MIPS_INS_BNEL,
- MIPS_INS_DIV,
- MIPS_INS_MOD,
- MIPS_INS_DIVU,
- MIPS_INS_MODU,
- MIPS_INS_J,
- MIPS_INS_JAL,
- MIPS_INS_JALR,
- MIPS_INS_JALX,
- MIPS_INS_JR,
- MIPS_INS_LB,
- MIPS_INS_LBU,
- MIPS_INS_LH,
- MIPS_INS_LHU,
- MIPS_INS_LUI,
- MIPS_INS_LW,
- MIPS_INS_MFHI,
- MIPS_INS_MFLO,
- MIPS_INS_MTHI,
- MIPS_INS_MTLO,
- MIPS_INS_MUL,
- MIPS_INS_MUH,
- MIPS_INS_MULU,
- MIPS_INS_MUHU,
- MIPS_INS_SB,
- MIPS_INS_SH,
- MIPS_INS_SW,
- MIPS_INS_SLL,
- MIPS_INS_SLLV,
- MIPS_INS_SLT,
- MIPS_INS_SLTI,
- MIPS_INS_SLTIU,
- MIPS_INS_SLTU,
- MIPS_INS_SRA,
- MIPS_INS_SRAV,
- MIPS_INS_SRL,
- MIPS_INS_SRLV,
- MIPS_INS_SUB,
- MIPS_INS_SUBU,
- MIPS_INS_SYSCALL,
- MIPS_INS_OR,
- MIPS_INS_ORI,
- MIPS_INS_NOR,
- MIPS_INS_XOR,
- MIPS_INS_XORI,
- // gets the size of the enum
- __MIPS_INS_LEN,
-};
-
-union mips_instruction_data {
- /* raw ins */
- uint32_t raw : 32;
- /* register type */
- struct {
- uint32_t funct : 6;
- uint32_t shamt : 5;
- uint32_t rd : 5;
- uint32_t rt : 5;
- uint32_t rs : 5;
- uint32_t op : 6;
- };
- /* immediate type */
- struct {
- uint32_t immd : 16;
- uint32_t : 16;
- };
- /* jump type */
- struct {
- uint32_t target : 26;
- uint32_t : 6;
- };
- /* branch compact */
- struct {
- int32_t offs26 : 26;
- uint32_t : 6;
- };
- /* branch */
- struct {
- int32_t offset : 16;
- uint32_t bfunct : 5;
- uint32_t : 11;
- };
-} __attribute__((packed));
-
-/* mips instruction information */
-struct mips_instruction {
- // metadata
- enum mips_instruction_type type;
- const char *name;
-
- // data
- union mips_instruction_data data;
-};
-
-#define MIPS_INS(ins, ...) \
- [MIPS_INS_ ##ins] = { \
- MIPS_INS_ ##ins, \
- #ins, \
- .data = { __VA_ARGS__ } \
- }, \
-
-static const struct mips_instruction mips_instructions[] = {
-/* ADD - add */
-#define MIPS_OP_SPECIAL 0b000000
-#define MIPS_FUNCT_ADD 0b100000
-MIPS_INS(ADD, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_ADD)
-
-/* ADDI - add immediate */
-#define MIPS_OP_ADDI 0b001000
-MIPS_INS(ADDI, .op = MIPS_OP_ADDI)
-
-/* ADDIU - add immediate unsigned */
-#define MIPS_OP_ADDIU 0b001001
-MIPS_INS(ADDIU, .op = MIPS_OP_ADDIU)
-
-/* ADDU - add unsigned */
-#define MIPS_FUNCT_ADDU 0b100001
-MIPS_INS(ADDU, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_ADDU)
-
-/* AND - and */
-#define MIPS_FUNCT_AND 0b100100
-MIPS_INS(AND, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_AND)
-
-/* ANDI - and immediate */
-#define MIPS_OP_ANDI 0b001100
-MIPS_INS(ANDI, .op = MIPS_OP_ANDI)
-
-/* BAL - branch and link */
-#define MIPS_OP_REGIMM 0b000001
-#define MIPS_FUNCT_BAL 0b10001
-MIPS_INS(BAL, .op = MIPS_OP_REGIMM, .bfunct = MIPS_FUNCT_BAL)
-
-/* BALC - branch and link, compact */
-#define MIPS_OP_BALC 0b111010
-MIPS_INS(BALC, .op = MIPS_OP_BALC)
-
-/* BC - branch, compact */
-#define MIPS_OP_BC 0b110010
-MIPS_INS(BC, .op = MIPS_OP_BC)
-
-/* BEQ - branch on equal */
-#define MIPS_OP_BEQ 0b000100
-MIPS_INS(BEQ, .op = MIPS_OP_BEQ)
-
-/* BEQL - branch on equal likely */
-#define MIPS_OP_BEQL 0b010100
-MIPS_INS(BEQL, .op = MIPS_OP_BEQL)
-
-/* BGEZ - branch on greater than or equal to zero */
-#define MIPS_FUNCT_BGEZ 0b00001
-MIPS_INS(BGEZ, .op = MIPS_OP_REGIMM, .bfunct = MIPS_FUNCT_BGEZ)
-
-/* BGEZAL - branch on greater than or equal to zero and link */
-#define MIPS_FUNCT_BGEZAL 0b10001
-MIPS_INS(BGEZAL, .op = MIPS_OP_REGIMM, .bfunct = MIPS_FUNCT_BGEZAL)
-
-/* BGEZAL - branch on greater than or equal to zero and link likely */
-#define MIPS_FUNCT_BGEZALL 0b10011
-MIPS_INS(BGEZALL, .op = MIPS_OP_REGIMM, .bfunct = MIPS_FUNCT_BGEZALL)
-
-/* BGEZL - branch on greater than or equal to zero likely */
-#define MIPS_FUNCT_BGEZL 0b00011
-MIPS_INS(BGEZL, .op = MIPS_OP_REGIMM, .bfunct = MIPS_FUNCT_BGEZL)
-
-/* BGTZ - branch on greater than zero */
-#define MIPS_OP_BGTZ 0b000111
-MIPS_INS(BGTZ, .op = MIPS_OP_BGTZ)
-
-/* BGTZL - branch on greater than zero likely */
-#define MIPS_OP_BGTZL 0b010111
-MIPS_INS(BGTZL, .op = MIPS_OP_BGTZL)
-
-/* BLEZ - branch on less than or equal to zero */
-#define MIPS_OP_BLEZ 0b000110
-MIPS_INS(BLEZ, .op = MIPS_OP_BLEZ)
-
-/* BLEZL - branch on less than or equal to zero likely */
-#define MIPS_OP_BLEZL 0b010110
-MIPS_INS(BLEZL, .op = MIPS_OP_BLEZL)
-
-/* BLTZ - branch on less than zero */
-#define MIPS_FUNCT_BLTZ 0b00000
-MIPS_INS(BLTZ, .op = MIPS_OP_REGIMM, .bfunct = MIPS_FUNCT_BLTZ)
-
-/* BLTZAL - branch on less than zero and link */
-#define MIPS_FUNCT_BLTZAL 0b10000
-MIPS_INS(BLTZAL, .op = MIPS_OP_REGIMM, .bfunct = MIPS_FUNCT_BLTZAL)
-
-/* BLTZALL - branch on less than zero and link likely */
-#define MIPS_FUNCT_BLTZALL 0b10010
-MIPS_INS(BLTZALL, .op = MIPS_OP_REGIMM, .bfunct = MIPS_FUNCT_BLTZALL)
-
-/* BLTZL - branch on less than zero likely */
-#define MIPS_FUNCT_BLTZL 0b00010
-MIPS_INS(BLTZL, .op = MIPS_OP_REGIMM, .bfunct = MIPS_FUNCT_BLTZL)
-
-/* BNE - branch on not equal */
-#define MIPS_OP_BNE 0b000101
-MIPS_INS(BNE, .op = MIPS_OP_BNE)
-
-/* BNEL - branch on not equal likely */
-#define MIPS_OP_BNEL 0b010101
-MIPS_INS(BNEL, .op = MIPS_OP_BNEL)
-
-/* DIV - divide */
-#define MIPS_FUNCT_SOP32 0b011010
-#define MIPS_SOP32_DIV 0b00010
-MIPS_INS(DIV, .op = MIPS_OP_SPECIAL, .shamt = MIPS_SOP32_DIV,
- .funct = MIPS_FUNCT_SOP32)
-
-/* MOD - modulo */
-#define MIPS_SOP32_MOD 0b00011
-MIPS_INS(MOD, .op = MIPS_OP_SPECIAL, .shamt = MIPS_SOP32_MOD,
- .funct = MIPS_FUNCT_SOP32)
-
-/* DIVU - divide unsigned */
-#define MIPS_FUNCT_SOP33 0b011011
-#define MIPS_SOP33_DIVU 0b00010
-MIPS_INS(DIVU, .op = MIPS_OP_SPECIAL, .shamt = MIPS_SOP33_DIVU,
- .funct = MIPS_FUNCT_SOP33)
-
-/* MODU - modulo unsigned */
-#define MIPS_SOP33_MODU 0b00011
-MIPS_INS(MODU, .op = MIPS_OP_SPECIAL, .shamt = MIPS_SOP33_MODU,
- .funct = MIPS_FUNCT_SOP33)
-
-/* J - jump */
-#define MIPS_OP_J 0b000010
-MIPS_INS(J, .op = MIPS_OP_J)
-
-/* JAL - jump and link */
-#define MIPS_OP_JAL 0b000011
-MIPS_INS(JAL, .op = MIPS_OP_JAL)
-
-/* JALR - jump and link register */
-#define MIPS_FUNCT_JALR 0b001001
-MIPS_INS(JALR, .rd = MIPS_REG_RA, .op = MIPS_OP_SPECIAL,
- .funct = MIPS_FUNCT_JALR)
-
-/* JALX - jump and link exchange */
-#define MIPS_OP_JALX 0b011101
-MIPS_INS(JALX, .op = MIPS_OP_JALX)
-
-/* JR - jump register */
-#define MIPS_FUNCT_JR 0b001000
-MIPS_INS(JR, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_JR)
-
-/* LB - load byte */
-#define MIPS_OP_LB 0b100000
-MIPS_INS(LB, .op = MIPS_OP_LB)
-
-/* LBU - load byte unsigned */
-#define MIPS_OP_LBU 0b100100
-MIPS_INS(LBU, .op = MIPS_OP_LBU)
-
-/* LH - load half */
-#define MIPS_OP_LH 0b100001
-MIPS_INS(LH, .op = MIPS_OP_LH)
-
-/* LHU - load half unsigned */
-#define MIPS_OP_LHU 0b100101
-MIPS_INS(LHU, .op = MIPS_OP_LHU)
-
-/* LUI - load upper immediate */
-#define MIPS_OP_LUI 0b001111
-MIPS_INS(LUI, .op = MIPS_OP_LUI)
-
-/* LW - load word */
-#define MIPS_OP_LW 0b100011
-MIPS_INS(LW, .op = MIPS_OP_LW)
-
-/* MFHI - move from hi */
-#define MIPS_FUNCT_MFHI 0b010000
-MIPS_INS(MFHI, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_MFHI)
-
-/* MFLO - move from hi */
-#define MIPS_FUNCT_MFLO 0b010010
-MIPS_INS(MFLO, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_MFLO)
-
-/* MTHI - move from hi */
-#define MIPS_FUNCT_MTHI 0b010001
-MIPS_INS(MTHI, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_MTHI)
-
-/* MTLO - move from hi */
-#define MIPS_FUNCT_MTLO 0b010011
-MIPS_INS(MTLO, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_MTLO)
-
-/* MUL - multiply low word */
-#define MIPS_FUNCT_SOP30 0b011000
-#define MIPS_SOP30_MUL 0b00010
-MIPS_INS(MUL, .op = MIPS_OP_SPECIAL, .shamt = MIPS_SOP30_MUL,
- .funct = MIPS_FUNCT_SOP30)
-
-/* MUH - multiply high word */
-#define MIPS_SOP30_MUH 0b00011
-MIPS_INS(MUH, .op = MIPS_OP_SPECIAL, .shamt = MIPS_SOP30_MUH,
- .funct = MIPS_FUNCT_SOP30)
-
-/* MULU - multiply low word unsigned */
-#define MIPS_FUNCT_SOP31 0b011001
-#define MIPS_SOP31_MULU 0b00010
-MIPS_INS(MULU, .op = MIPS_OP_SPECIAL, .shamt = MIPS_SOP31_MULU,
- .funct = MIPS_FUNCT_SOP31)
-
-/* MUHU - multiply high word unsgined */
-#define MIPS_SOP31_MUHU 0b00011
-MIPS_INS(MUHU, .op = MIPS_OP_SPECIAL, .shamt = MIPS_SOP31_MUHU,
- .funct = MIPS_FUNCT_SOP31)
-
-/* SB - store byte */
-#define MIPS_OP_SB 0b101000
-MIPS_INS(SB, .op = MIPS_OP_SB)
-
-/* SH - store half */
-#define MIPS_OP_SH 0b101001
-MIPS_INS(SH, .op = MIPS_OP_SH)
-
-/* SW - store word */
-#define MIPS_OP_SW 0b101011
-MIPS_INS(SW, .op = MIPS_OP_SW)
-
-/* SLL - shift left logical */
-#define MIPS_FUNCT_SLL 0b000000
-MIPS_INS(SLL, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_SLL)
-
-/* SLLV - shift left logical variable */
-#define MIPS_FUNCT_SLLV 0b000100
-MIPS_INS(SLLV, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_SLLV)
-
-/* SLT - set less then */
-#define MIPS_FUNCT_SLT 0b101010
-MIPS_INS(SLT, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_SLT)
-
-/* SLTI - set less then immediate */
-#define MIPS_OP_SLTI 0b001010
-MIPS_INS(SLTI, .op = MIPS_OP_SLTI)
-
-/* SLTIU - set less then imemdiate unsigned */
-#define MIPS_OP_SLTIU 0b001011
-MIPS_INS(SLTIU, .op = MIPS_OP_SLTIU)
-
-/* SLTU - set less than unsigned */
-#define MIPS_FUNCT_SLTU 0b101011
-MIPS_INS(SLTU, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_SLTU)
-
-/* SRA - shift right arithmetic */
-#define MIPS_FUNCT_SRA 0b000011
-MIPS_INS(SRA, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_SRA)
-
-/* SRAV - shift right arithmetic variable */
-#define MIPS_FUNCT_SRAV 0b000111
-MIPS_INS(SRAV, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_SRAV)
-
-/* SRL - shift right logical */
-#define MIPS_FUNCT_SRL 0b000010
-MIPS_INS(SRL, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_SRL)
-
-/* SRLV - shift right logical variable */
-#define MIPS_FUNCT_SRLV 0b000110
-MIPS_INS(SRLV, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_SRLV)
-
-/* SUB - subtract */
-#define MIPS_FUNCT_SUB 0b100010
-MIPS_INS(SUB, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_SUB)
-
-/* SUBU - subtract unsigned */
-#define MIPS_FUNCT_SUBU 0b100011
-MIPS_INS(SUBU, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_SUBU)
-
-/* SYSCALL - syscall */
-#define MIPS_FUNCT_SYSCALL 0b001100
-MIPS_INS(SYSCALL, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_SYSCALL)
-
-/* OR - or */
-#define MIPS_FUNCT_OR 0b100101
-MIPS_INS(OR, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_OR)
-
-/* ORI - or imemdiate */
-#define MIPS_OP_ORI 0b001101
-MIPS_INS(ORI, .op = MIPS_OP_ORI)
-
-/* NOR - not or */
-#define MIPS_FUNCT_NOR 0b100111
-MIPS_INS(NOR, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_NOR)
-
-/* XOR - exclusive or */
-#define MIPS_FUNCT_XOR 0b100110
-MIPS_INS(XOR, .op = MIPS_OP_SPECIAL, .funct = MIPS_FUNCT_XOR)
-
-/* XORI - exclusive or immediate */
-#define MIPS_OP_XORI 0b001110
-MIPS_INS(XORI, .op = MIPS_OP_XORI)
-};
-
-#undef MIPS_INS
-
-#endif /* __MIPS_H__ */
generated by cgit v1.2.3-freya (git 2.51.0) at 2025-09-22 00:21:37 +0000