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Don't pre-emptively translate code at interrupt vectors as some PD ROMs have these pointing at junk. Need some kind of heuristic for detecting garbage if I'm going to translate them ahead of time by default.
author Mike Pavone <pavone@retrodev.com>
date Thu, 27 Dec 2012 22:48:54 -0800
parents 6331ddec228f
children e3594572fb98
line wrap: on
line source

#ifndef GEN_X86_H_
#define GEN_X86_H_

#include <stdint.h>

enum {
	RAX = 0,
	RCX,
	RDX,
	RBX,
	RSP,
	RBP,
	RSI,
	RDI,
	AH,
	CH,
	DH,
	BH,
	R8,
	R9,
	R10,
	R11,
	R12,
	R13,
	R14,
	R15
} x86_regs;

enum {
	CC_O = 0,
	CC_NO,
	CC_C,
	CC_NC,
	CC_Z,
	CC_NZ,
	CC_BE,
	CC_A,
	CC_S,
	CC_NS,
	CC_P,
	CC_NP,
	CC_L,
	CC_GE,
	CC_LE,
	CC_G
} x86_cc;

enum {
	SZ_B = 0,
	SZ_W,
	SZ_D,
	SZ_Q
} x86_size;

enum {
	MODE_REG_INDIRECT = 0,
	MODE_REG_INDEXED = 4,
	MODE_REG_DISPLACE8 = 0x40,
	MODE_REG_INDEXED_DISPLACE8 = 0x44,
	MODE_REG_DIPSLACE32 = 0x80,
	MODE_REG_INDEXED_DIPSLACE32 = 0x84,
	MODE_REG_DIRECT = 0xC0,
//"phony" mode
	MODE_IMMED = 0xFF
} x86_modes;


uint8_t * rol_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * ror_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * rcl_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * rcr_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * shl_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * shr_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * sar_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * rol_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * ror_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * rcl_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * rcr_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * shl_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * shr_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * sar_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * rol_clr(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * ror_clr(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * rcl_clr(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * rcr_clr(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * shl_clr(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * shr_clr(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * sar_clr(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * rol_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * ror_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * rcl_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * rcr_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * shl_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * shr_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * sar_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * add_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * or_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * xor_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * and_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * sub_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * cmp_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * add_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * or_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * xor_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * and_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * sub_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * cmp_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * add_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * or_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * xor_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * and_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * sub_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * cmp_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * add_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * add_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * or_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * or_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * xor_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * xor_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * and_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * and_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * sub_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * sub_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * cmp_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * cmp_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * not_r(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * neg_r(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * not_rdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * neg_rdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * mov_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * mov_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * mov_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
uint8_t * mov_rrind(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * mov_rindr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * mov_ir(uint8_t * out, int64_t val, uint8_t dst, uint8_t size);
uint8_t * mov_irdisp8(uint8_t * out, int32_t val, uint8_t dst, int8_t disp, uint8_t size);
uint8_t * mov_irind(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * movsx_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t src_size, uint8_t size);
uint8_t * movsx_rdisp8r(uint8_t * out, uint8_t src, int8_t disp, uint8_t dst, uint8_t src_size, uint8_t size);
uint8_t * pushf(uint8_t * out);
uint8_t * popf(uint8_t * out);
uint8_t * push_r(uint8_t * out, uint8_t reg);
uint8_t * pop_r(uint8_t * out, uint8_t reg);
uint8_t * setcc_r(uint8_t * out, uint8_t cc, uint8_t dst);
uint8_t * setcc_rind(uint8_t * out, uint8_t cc, uint8_t dst);
uint8_t * bt_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * bt_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t dst_disp, uint8_t size);
uint8_t * bt_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * bt_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t dst_disp, uint8_t size);
uint8_t * jcc(uint8_t * out, uint8_t cc, uint8_t *dest);
uint8_t * jmp(uint8_t * out, uint8_t *dest);
uint8_t * jmp_r(uint8_t * out, uint8_t dst);
uint8_t * call(uint8_t * out, uint8_t * fun);
uint8_t * call_r(uint8_t * out, uint8_t dst);
uint8_t * retn(uint8_t * out);

#endif //GEN_X86_H_