view gen_x86.h @ 555:5af986d2b9da

Start work on refactoring some of the backend code to allow more sharing between M68K and Z80 cores and possibly also between x86 and the ARM backend when it exists
author Michael Pavone <pavone@retrodev.com>
date Mon, 24 Feb 2014 00:39:02 -0800
parents 96489fb27dbf
children 8e395210f50f
line wrap: on
line source

/*
 Copyright 2013 Michael Pavone
 This file is part of BlastEm.
 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
*/
#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;

#ifdef X86_64
#define SZ_PTR SZ_Q
#else
#define SZ_PTR SZ_D
#endif

enum {
	MODE_REG_INDIRECT = 0,
	MODE_REG_INDEXED = 4,
	MODE_REG_DISPLACE8 = 0x40,
	MODE_REG_INDEXED_DISPLACE8 = 0x44,
	MODE_REG_DISPLACE32 = 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 * adc_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 * sbb_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 * adc_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 * sbb_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 * add_irdisp32(uint8_t * out, int32_t val, uint8_t dst_base, int32_t disp, uint8_t size);
uint8_t * adc_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 * sbb_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 * adc_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 * adc_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 * sbb_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * sbb_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 * imul_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * imul_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * imul_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 * mul_r(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * imul_r(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * div_r(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * idiv_r(uint8_t * out, uint8_t dst, uint8_t size);
uint8_t * mul_rdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * imul_rdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * div_rdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * idiv_rdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * test_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * test_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size);
uint8_t * test_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * test_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
uint8_t * test_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, 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_rrdisp32(uint8_t * out, uint8_t src, uint8_t dst_base, int32_t disp, uint8_t size);
uint8_t * mov_rdisp32r(uint8_t * out, uint8_t src_base, int32_t disp, uint8_t dst, uint8_t size);
uint8_t * mov_rrindex(uint8_t * out, uint8_t src, uint8_t dst_base, uint8_t dst_index, uint8_t scale, uint8_t size);
uint8_t * mov_rindexr(uint8_t * out, uint8_t src_base, uint8_t src_index, uint8_t scale, 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 * movzx_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t src_size, uint8_t size);
uint8_t * movzx_rdisp8r(uint8_t * out, uint8_t src, int8_t disp, uint8_t dst, uint8_t src_size, uint8_t size);
uint8_t * xchg_rr(uint8_t * out, uint8_t src, uint8_t dst, 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 * setcc_rdisp8(uint8_t * out, uint8_t cc, uint8_t dst, int8_t disp);
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_rrdisp32(uint8_t * out, uint8_t src, uint8_t dst_base, int32_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 * bts_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * bts_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t dst_disp, uint8_t size);
uint8_t * bts_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * bts_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t dst_disp, uint8_t size);
uint8_t * btr_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * btr_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t dst_disp, uint8_t size);
uint8_t * btr_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * btr_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t dst_disp, uint8_t size);
uint8_t * btc_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
uint8_t * btc_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t dst_disp, uint8_t size);
uint8_t * btc_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size);
uint8_t * btc_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);
uint8_t * cdq(uint8_t * out);
uint8_t * loop(uint8_t * out, uint8_t * dst);

#endif //GEN_X86_H_