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76 lines
1.1 KiB
C
76 lines
1.1 KiB
C
/**
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* @file cpu.h
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*
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* @author Freya Murphy <freya@freyacat.org>
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*
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* CPU initalization functions
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*/
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#ifndef _CPU_H
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#define _CPU_H
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#include <stdint.h>
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typedef union {
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uint64_t raw;
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struct {
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uint64_t cf : 1;
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uint64_t : 1;
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uint64_t pf : 1;
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uint64_t : 1;
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uint64_t af : 1;
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uint64_t : 1;
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uint64_t zf : 1;
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uint64_t sf : 1;
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uint64_t tf : 1;
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uint64_t if_ : 1;
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uint64_t df : 1;
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uint64_t of : 1;
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uint64_t iopl : 2;
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uint64_t nt : 1;
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uint64_t md : 1;
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uint64_t rf : 1;
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uint64_t vm : 1;
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uint64_t ac : 1;
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uint64_t vif : 1;
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uint64_t vip : 1;
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uint64_t id : 1;
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uint64_t : 42;
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};
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} rflags_t;
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typedef struct {
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// registers
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uint64_t r15;
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uint64_t r14;
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uint64_t r13;
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uint64_t r12;
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uint64_t r11;
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uint64_t r10;
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uint64_t r9;
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uint64_t r8;
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uint64_t rbp;
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uint64_t rdi;
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uint64_t rsi;
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uint64_t rdx;
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uint64_t rcx;
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uint64_t rbx;
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uint64_t rax;
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// instruction pointer
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uint64_t rip;
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// code segment
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uint64_t cs;
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// rflags
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rflags_t rflags;
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// stack pointer
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uint64_t rsp;
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// stack segment
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uint64_t ss;
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} regs_t;
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/**
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* Initalize current cpu
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*/
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void cpu_init(void);
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#endif /* cpu.h */
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