1/*
  2 Copyright 2014 Michael Pavone
  3 This file is part of BlastEm.
  4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
  5*/
  6#ifndef GEN_ARM_H_
  7#define GEN_ARM_H_
  8
  9#include <stdint.h>
 10#include "gen.h"
 11
 12#define SET_COND 0x100000u
 13#define NO_COND  0u
 14
 15#define CC_FIELD_SHIFT 28
 16
 17#define CC_EQ 0x0u
 18#define CC_NE (0x1u << CC_FIELD_SHIFT)
 19#define CC_CS (0x2u << CC_FIELD_SHIFT)
 20#define CC_CC (0x3u << CC_FIELD_SHIFT)
 21#define CC_MI (0x4u << CC_FIELD_SHIFT)
 22#define CC_PL (0x5u << CC_FIELD_SHIFT)
 23#define CC_VS (0x6u << CC_FIELD_SHIFT)
 24#define CC_VC (0x7u << CC_FIELD_SHIFT)
 25#define CC_HI (0x8u << CC_FIELD_SHIFT)
 26#define CC_LS (0x9u << CC_FIELD_SHIFT)
 27#define CC_GE (0xAu << CC_FIELD_SHIFT)
 28#define CC_LT (0xBu << CC_FIELD_SHIFT)
 29#define CC_GT (0xCu << CC_FIELD_SHIFT)
 30#define CC_LE (0xDu << CC_FIELD_SHIFT)
 31#define CC_AL (0xEu << CC_FIELD_SHIFT)
 32
 33#define INVALID_IMMED 0xFFFFFFFFu
 34#define CODE_OK 0u
 35
 36enum {
 37	r0,
 38	r1,
 39	r2,
 40	r3,
 41	r4,
 42	r5,
 43	r6,
 44	r7,
 45	r8,
 46	r9,
 47	r10,
 48	r11,
 49	r12,
 50	sp,
 51	lr,
 52	pc
 53};
 54
 55#define R0  0x1
 56#define R1  0x2
 57#define R2  0x4
 58#define R3  0x8
 59#define R4  0x10
 60#define R5  0x20
 61#define R6  0x40
 62#define R7  0x80
 63#define R8  0x100
 64#define R9  0x200
 65#define R10 0x400
 66#define R11 0x800
 67#define R12 0x1000
 68#define SP  0x2000
 69#define LR  0x4000
 70#define PC  0x8000
 71
 72uint32_t and(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
 73uint32_t andi(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
 74uint32_t and_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
 75uint32_t andi_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
 76uint32_t eor(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
 77uint32_t eori(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
 78uint32_t eor_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
 79uint32_t eori_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
 80uint32_t sub(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
 81uint32_t subi(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
 82uint32_t sub_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
 83uint32_t subi_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
 84uint32_t rsb(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
 85uint32_t rsbi(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
 86uint32_t rsb_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
 87uint32_t rsbi_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
 88uint32_t add(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
 89uint32_t addi(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
 90uint32_t add_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
 91uint32_t addi_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
 92uint32_t adc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
 93uint32_t adci(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
 94uint32_t adc_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
 95uint32_t adci_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
 96uint32_t sbc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
 97uint32_t sbci(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
 98uint32_t sbc_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
 99uint32_t sbci_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
100uint32_t rsc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
101uint32_t rsci(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
102uint32_t rsc_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
103uint32_t rsci_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
104uint32_t tst(code_info *code, uint32_t src1, uint32_t src2);
105uint32_t tsti(code_info *code, uint32_t src1, uint32_t immed);
106uint32_t tst_cc(code_info *code, uint32_t src1, uint32_t src2, uint32_t cc);
107uint32_t tsti_cc(code_info *code, uint32_t src1, uint32_t immed, uint32_t cc);
108uint32_t teq(code_info *code, uint32_t src1, uint32_t src2);
109uint32_t teqi(code_info *code, uint32_t src1, uint32_t immed);
110uint32_t teq_cc(code_info *code, uint32_t src1, uint32_t src2, uint32_t cc);
111uint32_t teqi_cc(code_info *code, uint32_t src1, uint32_t immed, uint32_t cc);
112uint32_t cmp(code_info *code, uint32_t src1, uint32_t src2);
113uint32_t cmpi(code_info *code, uint32_t src1, uint32_t immed);
114uint32_t cmp_cc(code_info *code, uint32_t src1, uint32_t src2, uint32_t cc);
115uint32_t cmpi_cc(code_info *code, uint32_t src1, uint32_t immed, uint32_t cc);
116uint32_t cmn(code_info *code, uint32_t src1, uint32_t src2);
117uint32_t cmni(code_info *code, uint32_t src1, uint32_t immed);
118uint32_t cmn_cc(code_info *code, uint32_t src1, uint32_t src2, uint32_t cc);
119uint32_t cmni_cc(code_info *code, uint32_t src1, uint32_t immed, uint32_t cc);
120uint32_t orr(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
121uint32_t orri(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
122uint32_t orr_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
123uint32_t orri_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
124uint32_t mov(code_info *code, uint32_t dst, uint32_t src2, uint32_t set_cond);
125uint32_t movi(code_info *code, uint32_t dst, uint32_t immed, uint32_t set_cond);
126uint32_t mov_cc(code_info *code, uint32_t dst, uint32_t src2, uint32_t cc, uint32_t set_cond);
127uint32_t movi_cc(code_info *code, uint32_t dst, uint32_t immed, uint32_t cc, uint32_t set_cond);
128uint32_t bic(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
129uint32_t bici(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
130uint32_t bic_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
131uint32_t bici_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
132uint32_t mvn(code_info *code, uint32_t dst, uint32_t src2, uint32_t set_cond);
133uint32_t mvni(code_info *code, uint32_t dst, uint32_t immed, uint32_t set_cond);
134uint32_t mvn_cc(code_info *code, uint32_t dst, uint32_t src2, uint32_t cc, uint32_t set_cond);
135uint32_t mvni_cc(code_info *code, uint32_t dst, uint32_t immed, uint32_t cc, uint32_t set_cond);
136
137uint32_t b(code_info *code, uint32_t *dst);
138uint32_t b_cc(code_info *code, uint32_t *dst, uint32_t cc);
139uint32_t bl(code_info *code, uint32_t *dst);
140uint32_t bl_cc(code_info *code, uint32_t *dst, uint32_t cc);
141uint32_t bx(code_info *code, uint32_t dst);
142uint32_t bx_cc(code_info *code, uint32_t dst, uint32_t cc);
143
144uint32_t push(code_info *code, uint32_t reg);
145uint32_t push_cc(code_info *code, uint32_t reg, uint32_t cc);
146uint32_t pushm(code_info *code, uint32_t reglist);
147uint32_t pushm_cc(code_info *code, uint32_t reglist, uint32_t cc);
148uint32_t pop(code_info *code, uint32_t reg);
149uint32_t pop_cc(code_info *code, uint32_t reg, uint32_t cc);
150uint32_t popm(code_info *code, uint32_t reglist);
151uint32_t popm_cc(code_info *code, uint32_t reglist, uint32_t cc);
152uint32_t ldr_cc(code_info *code, uint32_t dst, uint32_t base, int32_t offset, uint32_t cc);
153uint32_t ldr(code_info *code, uint32_t rst, uint32_t base, int32_t offset);
154uint32_t str_cc(code_info *code, uint32_t src, uint32_t base, int32_t offset, uint32_t cc);
155uint32_t str(code_info *code, uint32_t src, uint32_t base, int32_t offset);
156
157#endif //GEN_ARM_H_