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Added untested code for generating ARM machine code
author Mike Pavone <pavone@retrodev.com>
date Sun, 23 Feb 2014 21:37:19 -0800
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children c8fefa140c80
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552:0687b05061dd 553:1af6c1052993
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
11 typedef struct {
12 uint32_t *cur;
13 uint32_t *last;
14 } code_info;
15
16 #define SET_COND 0x100000u
17 #define NO_COND 0u
18
19 #define CC_FIELD_SHIFT 28
20
21 #define CC_EQ 0x0u
22 #define CC_NE (0x1u << CC_FIELD_SHIFT)
23 #define CC_CS (0x2u << CC_FIELD_SHIFT)
24 #define CC_CC (0x3u << CC_FIELD_SHIFT)
25 #define CC_MI (0x4u << CC_FIELD_SHIFT)
26 #define CC_PL (0x5u << CC_FIELD_SHIFT)
27 #define CC_VS (0x6u << CC_FIELD_SHIFT)
28 #define CC_VC (0x7u << CC_FIELD_SHIFT)
29 #define CC_HI (0x8u << CC_FIELD_SHIFT)
30 #define CC_LS (0x9u << CC_FIELD_SHIFT)
31 #define CC_GE (0xAu << CC_FIELD_SHIFT)
32 #define CC_LT (0xBu << CC_FIELD_SHIFT)
33 #define CC_GT (0xCu << CC_FIELD_SHIFT)
34 #define CC_LE (0xDu << CC_FIELD_SHIFT)
35 #define CC_AL (0xEu << CC_FIELD_SHIFT)
36
37 #define INVALID_IMMED 0xFFFFFFFFu
38 #define CODE_OK 0u
39
40 enum {
41 r0,
42 r1,
43 r2,
44 r3,
45 r4,
46 r5,
47 r6,
48 r7,
49 r8,
50 r9,
51 r10,
52 r11,
53 r12,
54 sp,
55 lr,
56 pc
57 };
58
59 #define R0 0x1
60 #define R1 0x2
61 #define R2 0x4
62 #define R3 0x8
63 #define R4 0x10
64 #define R5 0x20
65 #define R6 0x40
66 #define R7 0x80
67 #define R8 0x100
68 #define R9 0x200
69 #define R10 0x400
70 #define R11 0x800
71 #define R12 0x1000
72 #define SP 0x2000
73 #define LR 0x4000
74 #define PC 0x8000
75
76 void init_code_info(code_info *code);
77
78 uint32_t and(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
79 uint32_t andi(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
80 uint32_t and_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
81 uint32_t andi_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
82 uint32_t eor(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
83 uint32_t eori(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
84 uint32_t eor_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
85 uint32_t eori_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
86 uint32_t sub(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
87 uint32_t subi(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
88 uint32_t sub_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
89 uint32_t subi_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
90 uint32_t rsb(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
91 uint32_t rsbi(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
92 uint32_t rsb_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
93 uint32_t rsbi_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
94 uint32_t add(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
95 uint32_t addi(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
96 uint32_t add_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
97 uint32_t addi_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
98 uint32_t adc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
99 uint32_t adci(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
100 uint32_t adc_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
101 uint32_t adci_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
102 uint32_t sbc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
103 uint32_t sbci(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
104 uint32_t sbc_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
105 uint32_t sbci_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
106 uint32_t rsc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
107 uint32_t rsci(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
108 uint32_t rsc_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
109 uint32_t rsci_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
110 uint32_t tst(code_info *code, uint32_t src1, uint32_t src2);
111 uint32_t tsti(code_info *code, uint32_t src1, uint32_t immed);
112 uint32_t tst_cc(code_info *code, uint32_t src1, uint32_t src2, uint32_t cc);
113 uint32_t tsti_cc(code_info *code, uint32_t src1, uint32_t immed, uint32_t cc);
114 uint32_t teq(code_info *code, uint32_t src1, uint32_t src2);
115 uint32_t teqi(code_info *code, uint32_t src1, uint32_t immed);
116 uint32_t teq_cc(code_info *code, uint32_t src1, uint32_t src2, uint32_t cc);
117 uint32_t teqi_cc(code_info *code, uint32_t src1, uint32_t immed, uint32_t cc);
118 uint32_t cmp(code_info *code, uint32_t src1, uint32_t src2);
119 uint32_t cmpi(code_info *code, uint32_t src1, uint32_t immed);
120 uint32_t cmp_cc(code_info *code, uint32_t src1, uint32_t src2, uint32_t cc);
121 uint32_t cmpi_cc(code_info *code, uint32_t src1, uint32_t immed, uint32_t cc);
122 uint32_t cmn(code_info *code, uint32_t src1, uint32_t src2);
123 uint32_t cmni(code_info *code, uint32_t src1, uint32_t immed);
124 uint32_t cmn_cc(code_info *code, uint32_t src1, uint32_t src2, uint32_t cc);
125 uint32_t cmni_cc(code_info *code, uint32_t src1, uint32_t immed, uint32_t cc);
126 uint32_t orr(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
127 uint32_t orri(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
128 uint32_t orr_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
129 uint32_t orri_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
130 uint32_t mov(code_info *code, uint32_t dst, uint32_t src2, uint32_t set_cond);
131 uint32_t movi(code_info *code, uint32_t dst, uint32_t immed, uint32_t set_cond);
132 uint32_t mov_cc(code_info *code, uint32_t dst, uint32_t src2, uint32_t cc, uint32_t set_cond);
133 uint32_t movi_cc(code_info *code, uint32_t dst, uint32_t immed, uint32_t cc, uint32_t set_cond);
134 uint32_t bic(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t set_cond);
135 uint32_t bici(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t set_cond);
136 uint32_t bic_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t src2, uint32_t cc, uint32_t set_cond);
137 uint32_t bici_cc(code_info *code, uint32_t dst, uint32_t src1, uint32_t immed, uint32_t cc, uint32_t set_cond);
138 uint32_t mvn(code_info *code, uint32_t dst, uint32_t src2, uint32_t set_cond);
139 uint32_t mvni(code_info *code, uint32_t dst, uint32_t immed, uint32_t set_cond);
140 uint32_t mvn_cc(code_info *code, uint32_t dst, uint32_t src2, uint32_t cc, uint32_t set_cond);
141 uint32_t mvni_cc(code_info *code, uint32_t dst, uint32_t immed, uint32_t cc, uint32_t set_cond);
142
143 uint32_t b(code_info *code, uint32_t *dst);
144 uint32_t b_cc(code_info *code, uint32_t *dst, uint32_t cc);
145 uint32_t bl(code_info *code, uint32_t *dst);
146 uint32_t bl_cc(code_info *code, uint32_t *dst, uint32_t cc);
147 uint32_t bx(code_info *code, uint32_t dst);
148 uint32_t bx_cc(code_info *code, uint32_t dst, uint32_t cc);
149
150 uint32_t push(code_info *code, uint32_t reg);
151 uint32_t push_cc(code_info *code, uint32_t reg, uint32_t cc);
152 uint32_t pushm(code_info *code, uint32_t reglist);
153 uint32_t pushm_cc(code_info *code, uint32_t reglist, uint32_t cc);
154 uint32_t pop(code_info *code, uint32_t reg);
155 uint32_t pop_cc(code_info *code, uint32_t reg, uint32_t cc);
156 uint32_t popm(code_info *code, uint32_t reglist);
157 uint32_t popm_cc(code_info *code, uint32_t reglist, uint32_t cc);
158
159 #endif //GEN_ARM_H_