root / tcg / arm / tcg-target.c @ 0f11f25a
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1 | 811d4cf4 | balrog | /*
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2 | 811d4cf4 | balrog | * Tiny Code Generator for QEMU
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3 | 811d4cf4 | balrog | *
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4 | 811d4cf4 | balrog | * Copyright (c) 2008 Andrzej Zaborowski
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5 | 811d4cf4 | balrog | *
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6 | 811d4cf4 | balrog | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 811d4cf4 | balrog | * of this software and associated documentation files (the "Software"), to deal
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8 | 811d4cf4 | balrog | * in the Software without restriction, including without limitation the rights
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9 | 811d4cf4 | balrog | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 811d4cf4 | balrog | * copies of the Software, and to permit persons to whom the Software is
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11 | 811d4cf4 | balrog | * furnished to do so, subject to the following conditions:
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12 | 811d4cf4 | balrog | *
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13 | 811d4cf4 | balrog | * The above copyright notice and this permission notice shall be included in
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14 | 811d4cf4 | balrog | * all copies or substantial portions of the Software.
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15 | 811d4cf4 | balrog | *
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16 | 811d4cf4 | balrog | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 811d4cf4 | balrog | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 811d4cf4 | balrog | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 811d4cf4 | balrog | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 811d4cf4 | balrog | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 811d4cf4 | balrog | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 811d4cf4 | balrog | * THE SOFTWARE.
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23 | 811d4cf4 | balrog | */
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24 | d4a9eb1f | blueswir1 | |
25 | ac34fb5c | Aurelien Jarno | #if defined(__ARM_ARCH_7__) || \
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26 | ac34fb5c | Aurelien Jarno | defined(__ARM_ARCH_7A__) || \ |
27 | ac34fb5c | Aurelien Jarno | defined(__ARM_ARCH_7EM__) || \ |
28 | ac34fb5c | Aurelien Jarno | defined(__ARM_ARCH_7M__) || \ |
29 | ac34fb5c | Aurelien Jarno | defined(__ARM_ARCH_7R__) |
30 | ac34fb5c | Aurelien Jarno | #define USE_ARMV7_INSTRUCTIONS
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31 | ac34fb5c | Aurelien Jarno | #endif
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32 | ac34fb5c | Aurelien Jarno | |
33 | ac34fb5c | Aurelien Jarno | #if defined(USE_ARMV7_INSTRUCTIONS) || \
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34 | ac34fb5c | Aurelien Jarno | defined(__ARM_ARCH_6J__) || \ |
35 | ac34fb5c | Aurelien Jarno | defined(__ARM_ARCH_6K__) || \ |
36 | ac34fb5c | Aurelien Jarno | defined(__ARM_ARCH_6T2__) || \ |
37 | ac34fb5c | Aurelien Jarno | defined(__ARM_ARCH_6Z__) || \ |
38 | ac34fb5c | Aurelien Jarno | defined(__ARM_ARCH_6ZK__) |
39 | ac34fb5c | Aurelien Jarno | #define USE_ARMV6_INSTRUCTIONS
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40 | ac34fb5c | Aurelien Jarno | #endif
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41 | ac34fb5c | Aurelien Jarno | |
42 | ac34fb5c | Aurelien Jarno | #if defined(USE_ARMV6_INSTRUCTIONS) || \
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43 | ac34fb5c | Aurelien Jarno | defined(__ARM_ARCH_5T__) || \ |
44 | ac34fb5c | Aurelien Jarno | defined(__ARM_ARCH_5TE__) || \ |
45 | ac34fb5c | Aurelien Jarno | defined(__ARM_ARCH_5TEJ__) |
46 | ac34fb5c | Aurelien Jarno | #define USE_ARMV5_INSTRUCTIONS
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47 | ac34fb5c | Aurelien Jarno | #endif
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48 | ac34fb5c | Aurelien Jarno | |
49 | ac34fb5c | Aurelien Jarno | #ifdef USE_ARMV5_INSTRUCTIONS
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50 | ac34fb5c | Aurelien Jarno | static const int use_armv5_instructions = 1; |
51 | ac34fb5c | Aurelien Jarno | #else
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52 | ac34fb5c | Aurelien Jarno | static const int use_armv5_instructions = 0; |
53 | ac34fb5c | Aurelien Jarno | #endif
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54 | ac34fb5c | Aurelien Jarno | #undef USE_ARMV5_INSTRUCTIONS
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55 | ac34fb5c | Aurelien Jarno | |
56 | ac34fb5c | Aurelien Jarno | #ifdef USE_ARMV6_INSTRUCTIONS
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57 | ac34fb5c | Aurelien Jarno | static const int use_armv6_instructions = 1; |
58 | ac34fb5c | Aurelien Jarno | #else
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59 | ac34fb5c | Aurelien Jarno | static const int use_armv6_instructions = 0; |
60 | ac34fb5c | Aurelien Jarno | #endif
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61 | ac34fb5c | Aurelien Jarno | #undef USE_ARMV6_INSTRUCTIONS
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62 | ac34fb5c | Aurelien Jarno | |
63 | ac34fb5c | Aurelien Jarno | #ifdef USE_ARMV7_INSTRUCTIONS
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64 | ac34fb5c | Aurelien Jarno | static const int use_armv7_instructions = 1; |
65 | ac34fb5c | Aurelien Jarno | #else
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66 | ac34fb5c | Aurelien Jarno | static const int use_armv7_instructions = 0; |
67 | ac34fb5c | Aurelien Jarno | #endif
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68 | ac34fb5c | Aurelien Jarno | #undef USE_ARMV7_INSTRUCTIONS
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69 | ac34fb5c | Aurelien Jarno | |
70 | d4a9eb1f | blueswir1 | #ifndef NDEBUG
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71 | d4a9eb1f | blueswir1 | static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = { |
72 | 811d4cf4 | balrog | "%r0",
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73 | 811d4cf4 | balrog | "%r1",
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74 | 811d4cf4 | balrog | "%r2",
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75 | 811d4cf4 | balrog | "%r3",
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76 | 811d4cf4 | balrog | "%r4",
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77 | 811d4cf4 | balrog | "%r5",
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78 | 811d4cf4 | balrog | "%r6",
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79 | 811d4cf4 | balrog | "%r7",
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80 | 811d4cf4 | balrog | "%r8",
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81 | 811d4cf4 | balrog | "%r9",
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82 | 811d4cf4 | balrog | "%r10",
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83 | 811d4cf4 | balrog | "%r11",
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84 | 811d4cf4 | balrog | "%r12",
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85 | 811d4cf4 | balrog | "%r13",
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86 | 811d4cf4 | balrog | "%r14",
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87 | e4a7d5e8 | Aurelien Jarno | "%pc",
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88 | 811d4cf4 | balrog | }; |
89 | d4a9eb1f | blueswir1 | #endif
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90 | 811d4cf4 | balrog | |
91 | d4a9eb1f | blueswir1 | static const int tcg_target_reg_alloc_order[] = { |
92 | 811d4cf4 | balrog | TCG_REG_R4, |
93 | 811d4cf4 | balrog | TCG_REG_R5, |
94 | 811d4cf4 | balrog | TCG_REG_R6, |
95 | 811d4cf4 | balrog | TCG_REG_R7, |
96 | 811d4cf4 | balrog | TCG_REG_R8, |
97 | 811d4cf4 | balrog | TCG_REG_R9, |
98 | 811d4cf4 | balrog | TCG_REG_R10, |
99 | 811d4cf4 | balrog | TCG_REG_R11, |
100 | 811d4cf4 | balrog | TCG_REG_R13, |
101 | 914ccf51 | Aurelien Jarno | TCG_REG_R0, |
102 | 914ccf51 | Aurelien Jarno | TCG_REG_R1, |
103 | 914ccf51 | Aurelien Jarno | TCG_REG_R2, |
104 | 914ccf51 | Aurelien Jarno | TCG_REG_R3, |
105 | 914ccf51 | Aurelien Jarno | TCG_REG_R12, |
106 | 811d4cf4 | balrog | TCG_REG_R14, |
107 | 811d4cf4 | balrog | }; |
108 | 811d4cf4 | balrog | |
109 | d4a9eb1f | blueswir1 | static const int tcg_target_call_iarg_regs[4] = { |
110 | 811d4cf4 | balrog | TCG_REG_R0, TCG_REG_R1, TCG_REG_R2, TCG_REG_R3 |
111 | 811d4cf4 | balrog | }; |
112 | d4a9eb1f | blueswir1 | static const int tcg_target_call_oarg_regs[2] = { |
113 | 811d4cf4 | balrog | TCG_REG_R0, TCG_REG_R1 |
114 | 811d4cf4 | balrog | }; |
115 | 811d4cf4 | balrog | |
116 | c69806ab | Aurelien Jarno | static inline void reloc_abs32(void *code_ptr, tcg_target_long target) |
117 | c69806ab | Aurelien Jarno | { |
118 | c69806ab | Aurelien Jarno | *(uint32_t *) code_ptr = target; |
119 | c69806ab | Aurelien Jarno | } |
120 | c69806ab | Aurelien Jarno | |
121 | c69806ab | Aurelien Jarno | static inline void reloc_pc24(void *code_ptr, tcg_target_long target) |
122 | c69806ab | Aurelien Jarno | { |
123 | c69806ab | Aurelien Jarno | uint32_t offset = ((target - ((tcg_target_long) code_ptr + 8)) >> 2); |
124 | c69806ab | Aurelien Jarno | |
125 | c69806ab | Aurelien Jarno | *(uint32_t *) code_ptr = ((*(uint32_t *) code_ptr) & ~0xffffff)
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126 | c69806ab | Aurelien Jarno | | (offset & 0xffffff);
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127 | c69806ab | Aurelien Jarno | } |
128 | c69806ab | Aurelien Jarno | |
129 | 650bbb36 | balrog | static void patch_reloc(uint8_t *code_ptr, int type, |
130 | 811d4cf4 | balrog | tcg_target_long value, tcg_target_long addend) |
131 | 811d4cf4 | balrog | { |
132 | 811d4cf4 | balrog | switch (type) {
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133 | 811d4cf4 | balrog | case R_ARM_ABS32:
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134 | c69806ab | Aurelien Jarno | reloc_abs32(code_ptr, value); |
135 | 811d4cf4 | balrog | break;
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136 | 811d4cf4 | balrog | |
137 | 811d4cf4 | balrog | case R_ARM_CALL:
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138 | 811d4cf4 | balrog | case R_ARM_JUMP24:
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139 | 811d4cf4 | balrog | default:
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140 | 811d4cf4 | balrog | tcg_abort(); |
141 | 811d4cf4 | balrog | |
142 | 811d4cf4 | balrog | case R_ARM_PC24:
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143 | c69806ab | Aurelien Jarno | reloc_pc24(code_ptr, value); |
144 | 811d4cf4 | balrog | break;
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145 | 811d4cf4 | balrog | } |
146 | 811d4cf4 | balrog | } |
147 | 811d4cf4 | balrog | |
148 | 811d4cf4 | balrog | /* maximum number of register used for input function arguments */
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149 | 811d4cf4 | balrog | static inline int tcg_target_get_call_iarg_regs_count(int flags) |
150 | 811d4cf4 | balrog | { |
151 | 811d4cf4 | balrog | return 4; |
152 | 811d4cf4 | balrog | } |
153 | 811d4cf4 | balrog | |
154 | 811d4cf4 | balrog | /* parse target specific constraints */
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155 | d4a9eb1f | blueswir1 | static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str) |
156 | 811d4cf4 | balrog | { |
157 | 811d4cf4 | balrog | const char *ct_str; |
158 | 811d4cf4 | balrog | |
159 | 811d4cf4 | balrog | ct_str = *pct_str; |
160 | 811d4cf4 | balrog | switch (ct_str[0]) { |
161 | cb4e581f | Laurent Desnogues | case 'I': |
162 | cb4e581f | Laurent Desnogues | ct->ct |= TCG_CT_CONST_ARM; |
163 | cb4e581f | Laurent Desnogues | break;
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164 | cb4e581f | Laurent Desnogues | |
165 | 811d4cf4 | balrog | case 'r': |
166 | 811d4cf4 | balrog | ct->ct |= TCG_CT_REG; |
167 | 811d4cf4 | balrog | tcg_regset_set32(ct->u.regs, 0, (1 << TCG_TARGET_NB_REGS) - 1); |
168 | 811d4cf4 | balrog | break;
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169 | 811d4cf4 | balrog | |
170 | 67dcab73 | Aurelien Jarno | /* qemu_ld address */
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171 | 67dcab73 | Aurelien Jarno | case 'l': |
172 | 811d4cf4 | balrog | ct->ct |= TCG_CT_REG; |
173 | 811d4cf4 | balrog | tcg_regset_set32(ct->u.regs, 0, (1 << TCG_TARGET_NB_REGS) - 1); |
174 | 67dcab73 | Aurelien Jarno | #ifdef CONFIG_SOFTMMU
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175 | 67dcab73 | Aurelien Jarno | /* r0 and r1 will be overwritten when reading the tlb entry,
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176 | 67dcab73 | Aurelien Jarno | so don't use these. */
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177 | 811d4cf4 | balrog | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R0); |
178 | 811d4cf4 | balrog | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R1); |
179 | 67dcab73 | Aurelien Jarno | #endif
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180 | 811d4cf4 | balrog | break;
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181 | 67dcab73 | Aurelien Jarno | case 'L': |
182 | d0660ed4 | balrog | ct->ct |= TCG_CT_REG; |
183 | d0660ed4 | balrog | tcg_regset_set32(ct->u.regs, 0, (1 << TCG_TARGET_NB_REGS) - 1); |
184 | 67dcab73 | Aurelien Jarno | #ifdef CONFIG_SOFTMMU
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185 | 67dcab73 | Aurelien Jarno | /* r1 is still needed to load data_reg or data_reg2,
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186 | 67dcab73 | Aurelien Jarno | so don't use it. */
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187 | d0660ed4 | balrog | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R1); |
188 | 67dcab73 | Aurelien Jarno | #endif
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189 | d0660ed4 | balrog | break;
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190 | d0660ed4 | balrog | |
191 | 67dcab73 | Aurelien Jarno | /* qemu_st address & data_reg */
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192 | 67dcab73 | Aurelien Jarno | case 's': |
193 | 811d4cf4 | balrog | ct->ct |= TCG_CT_REG; |
194 | 811d4cf4 | balrog | tcg_regset_set32(ct->u.regs, 0, (1 << TCG_TARGET_NB_REGS) - 1); |
195 | 67dcab73 | Aurelien Jarno | /* r0 and r1 will be overwritten when reading the tlb entry
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196 | 67dcab73 | Aurelien Jarno | (softmmu only) and doing the byte swapping, so don't
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197 | 67dcab73 | Aurelien Jarno | use these. */
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198 | 811d4cf4 | balrog | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R0); |
199 | 811d4cf4 | balrog | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R1); |
200 | 811d4cf4 | balrog | break;
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201 | 67dcab73 | Aurelien Jarno | /* qemu_st64 data_reg2 */
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202 | 67dcab73 | Aurelien Jarno | case 'S': |
203 | 811d4cf4 | balrog | ct->ct |= TCG_CT_REG; |
204 | 811d4cf4 | balrog | tcg_regset_set32(ct->u.regs, 0, (1 << TCG_TARGET_NB_REGS) - 1); |
205 | 67dcab73 | Aurelien Jarno | /* r0 and r1 will be overwritten when reading the tlb entry
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206 | 67dcab73 | Aurelien Jarno | (softmmu only) and doing the byte swapping, so don't
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207 | 67dcab73 | Aurelien Jarno | use these. */
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208 | 811d4cf4 | balrog | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R0); |
209 | 811d4cf4 | balrog | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R1); |
210 | 67dcab73 | Aurelien Jarno | #ifdef CONFIG_SOFTMMU
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211 | 67dcab73 | Aurelien Jarno | /* r2 is still needed to load data_reg, so don't use it. */
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212 | 67dcab73 | Aurelien Jarno | tcg_regset_reset_reg(ct->u.regs, TCG_REG_R2); |
213 | 811d4cf4 | balrog | #endif
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214 | 67dcab73 | Aurelien Jarno | break;
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215 | 811d4cf4 | balrog | |
216 | 811d4cf4 | balrog | default:
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217 | 811d4cf4 | balrog | return -1; |
218 | 811d4cf4 | balrog | } |
219 | 811d4cf4 | balrog | ct_str++; |
220 | 811d4cf4 | balrog | *pct_str = ct_str; |
221 | 811d4cf4 | balrog | |
222 | 811d4cf4 | balrog | return 0; |
223 | 811d4cf4 | balrog | } |
224 | 811d4cf4 | balrog | |
225 | 94953e6d | Laurent Desnogues | static inline uint32_t rotl(uint32_t val, int n) |
226 | 94953e6d | Laurent Desnogues | { |
227 | 94953e6d | Laurent Desnogues | return (val << n) | (val >> (32 - n)); |
228 | 94953e6d | Laurent Desnogues | } |
229 | 94953e6d | Laurent Desnogues | |
230 | 94953e6d | Laurent Desnogues | /* ARM immediates for ALU instructions are made of an unsigned 8-bit
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231 | 94953e6d | Laurent Desnogues | right-rotated by an even amount between 0 and 30. */
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232 | 94953e6d | Laurent Desnogues | static inline int encode_imm(uint32_t imm) |
233 | 94953e6d | Laurent Desnogues | { |
234 | 4e6f6d4c | Laurent Desnogues | int shift;
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235 | 4e6f6d4c | Laurent Desnogues | |
236 | 94953e6d | Laurent Desnogues | /* simple case, only lower bits */
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237 | 94953e6d | Laurent Desnogues | if ((imm & ~0xff) == 0) |
238 | 94953e6d | Laurent Desnogues | return 0; |
239 | 94953e6d | Laurent Desnogues | /* then try a simple even shift */
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240 | 94953e6d | Laurent Desnogues | shift = ctz32(imm) & ~1;
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241 | 94953e6d | Laurent Desnogues | if (((imm >> shift) & ~0xff) == 0) |
242 | 94953e6d | Laurent Desnogues | return 32 - shift; |
243 | 94953e6d | Laurent Desnogues | /* now try harder with rotations */
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244 | 94953e6d | Laurent Desnogues | if ((rotl(imm, 2) & ~0xff) == 0) |
245 | 94953e6d | Laurent Desnogues | return 2; |
246 | 94953e6d | Laurent Desnogues | if ((rotl(imm, 4) & ~0xff) == 0) |
247 | 94953e6d | Laurent Desnogues | return 4; |
248 | 94953e6d | Laurent Desnogues | if ((rotl(imm, 6) & ~0xff) == 0) |
249 | 94953e6d | Laurent Desnogues | return 6; |
250 | 94953e6d | Laurent Desnogues | /* imm can't be encoded */
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251 | 94953e6d | Laurent Desnogues | return -1; |
252 | 94953e6d | Laurent Desnogues | } |
253 | cb4e581f | Laurent Desnogues | |
254 | cb4e581f | Laurent Desnogues | static inline int check_fit_imm(uint32_t imm) |
255 | cb4e581f | Laurent Desnogues | { |
256 | 94953e6d | Laurent Desnogues | return encode_imm(imm) >= 0; |
257 | cb4e581f | Laurent Desnogues | } |
258 | cb4e581f | Laurent Desnogues | |
259 | 811d4cf4 | balrog | /* Test if a constant matches the constraint.
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260 | 811d4cf4 | balrog | * TODO: define constraints for:
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261 | 811d4cf4 | balrog | *
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262 | 811d4cf4 | balrog | * ldr/str offset: between -0xfff and 0xfff
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263 | 811d4cf4 | balrog | * ldrh/strh offset: between -0xff and 0xff
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264 | 811d4cf4 | balrog | * mov operand2: values represented with x << (2 * y), x < 0x100
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265 | 811d4cf4 | balrog | * add, sub, eor...: ditto
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266 | 811d4cf4 | balrog | */
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267 | 811d4cf4 | balrog | static inline int tcg_target_const_match(tcg_target_long val, |
268 | 811d4cf4 | balrog | const TCGArgConstraint *arg_ct)
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269 | 811d4cf4 | balrog | { |
270 | 811d4cf4 | balrog | int ct;
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271 | 811d4cf4 | balrog | ct = arg_ct->ct; |
272 | 811d4cf4 | balrog | if (ct & TCG_CT_CONST)
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273 | 811d4cf4 | balrog | return 1; |
274 | cb4e581f | Laurent Desnogues | else if ((ct & TCG_CT_CONST_ARM) && check_fit_imm(val)) |
275 | cb4e581f | Laurent Desnogues | return 1; |
276 | 811d4cf4 | balrog | else
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277 | 811d4cf4 | balrog | return 0; |
278 | 811d4cf4 | balrog | } |
279 | 811d4cf4 | balrog | |
280 | 811d4cf4 | balrog | enum arm_data_opc_e {
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281 | 811d4cf4 | balrog | ARITH_AND = 0x0,
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282 | 811d4cf4 | balrog | ARITH_EOR = 0x1,
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283 | 811d4cf4 | balrog | ARITH_SUB = 0x2,
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284 | 811d4cf4 | balrog | ARITH_RSB = 0x3,
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285 | 811d4cf4 | balrog | ARITH_ADD = 0x4,
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286 | 811d4cf4 | balrog | ARITH_ADC = 0x5,
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287 | 811d4cf4 | balrog | ARITH_SBC = 0x6,
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288 | 811d4cf4 | balrog | ARITH_RSC = 0x7,
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289 | 3979144c | pbrook | ARITH_TST = 0x8,
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290 | 811d4cf4 | balrog | ARITH_CMP = 0xa,
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291 | 811d4cf4 | balrog | ARITH_CMN = 0xb,
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292 | 811d4cf4 | balrog | ARITH_ORR = 0xc,
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293 | 811d4cf4 | balrog | ARITH_MOV = 0xd,
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294 | 811d4cf4 | balrog | ARITH_BIC = 0xe,
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295 | 811d4cf4 | balrog | ARITH_MVN = 0xf,
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296 | 811d4cf4 | balrog | }; |
297 | 811d4cf4 | balrog | |
298 | 3979144c | pbrook | #define TO_CPSR(opc) \
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299 | 3979144c | pbrook | ((opc == ARITH_CMP || opc == ARITH_CMN || opc == ARITH_TST) << 20)
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300 | 811d4cf4 | balrog | |
301 | 811d4cf4 | balrog | #define SHIFT_IMM_LSL(im) (((im) << 7) | 0x00) |
302 | 811d4cf4 | balrog | #define SHIFT_IMM_LSR(im) (((im) << 7) | 0x20) |
303 | 811d4cf4 | balrog | #define SHIFT_IMM_ASR(im) (((im) << 7) | 0x40) |
304 | 811d4cf4 | balrog | #define SHIFT_IMM_ROR(im) (((im) << 7) | 0x60) |
305 | 811d4cf4 | balrog | #define SHIFT_REG_LSL(rs) (((rs) << 8) | 0x10) |
306 | 811d4cf4 | balrog | #define SHIFT_REG_LSR(rs) (((rs) << 8) | 0x30) |
307 | 811d4cf4 | balrog | #define SHIFT_REG_ASR(rs) (((rs) << 8) | 0x50) |
308 | 811d4cf4 | balrog | #define SHIFT_REG_ROR(rs) (((rs) << 8) | 0x70) |
309 | 811d4cf4 | balrog | |
310 | 811d4cf4 | balrog | enum arm_cond_code_e {
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311 | 811d4cf4 | balrog | COND_EQ = 0x0,
|
312 | 811d4cf4 | balrog | COND_NE = 0x1,
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313 | 811d4cf4 | balrog | COND_CS = 0x2, /* Unsigned greater or equal */ |
314 | 811d4cf4 | balrog | COND_CC = 0x3, /* Unsigned less than */ |
315 | 811d4cf4 | balrog | COND_MI = 0x4, /* Negative */ |
316 | 811d4cf4 | balrog | COND_PL = 0x5, /* Zero or greater */ |
317 | 811d4cf4 | balrog | COND_VS = 0x6, /* Overflow */ |
318 | 811d4cf4 | balrog | COND_VC = 0x7, /* No overflow */ |
319 | 811d4cf4 | balrog | COND_HI = 0x8, /* Unsigned greater than */ |
320 | 811d4cf4 | balrog | COND_LS = 0x9, /* Unsigned less or equal */ |
321 | 811d4cf4 | balrog | COND_GE = 0xa,
|
322 | 811d4cf4 | balrog | COND_LT = 0xb,
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323 | 811d4cf4 | balrog | COND_GT = 0xc,
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324 | 811d4cf4 | balrog | COND_LE = 0xd,
|
325 | 811d4cf4 | balrog | COND_AL = 0xe,
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326 | 811d4cf4 | balrog | }; |
327 | 811d4cf4 | balrog | |
328 | 811d4cf4 | balrog | static const uint8_t tcg_cond_to_arm_cond[10] = { |
329 | 811d4cf4 | balrog | [TCG_COND_EQ] = COND_EQ, |
330 | 811d4cf4 | balrog | [TCG_COND_NE] = COND_NE, |
331 | 811d4cf4 | balrog | [TCG_COND_LT] = COND_LT, |
332 | 811d4cf4 | balrog | [TCG_COND_GE] = COND_GE, |
333 | 811d4cf4 | balrog | [TCG_COND_LE] = COND_LE, |
334 | 811d4cf4 | balrog | [TCG_COND_GT] = COND_GT, |
335 | 811d4cf4 | balrog | /* unsigned */
|
336 | 811d4cf4 | balrog | [TCG_COND_LTU] = COND_CC, |
337 | 811d4cf4 | balrog | [TCG_COND_GEU] = COND_CS, |
338 | 811d4cf4 | balrog | [TCG_COND_LEU] = COND_LS, |
339 | 811d4cf4 | balrog | [TCG_COND_GTU] = COND_HI, |
340 | 811d4cf4 | balrog | }; |
341 | 811d4cf4 | balrog | |
342 | 811d4cf4 | balrog | static inline void tcg_out_bx(TCGContext *s, int cond, int rn) |
343 | 811d4cf4 | balrog | { |
344 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x012fff10 | rn); |
345 | 811d4cf4 | balrog | } |
346 | 811d4cf4 | balrog | |
347 | 811d4cf4 | balrog | static inline void tcg_out_b(TCGContext *s, int cond, int32_t offset) |
348 | 811d4cf4 | balrog | { |
349 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x0a000000 | |
350 | 811d4cf4 | balrog | (((offset - 8) >> 2) & 0x00ffffff)); |
351 | 811d4cf4 | balrog | } |
352 | 811d4cf4 | balrog | |
353 | e936243a | balrog | static inline void tcg_out_b_noaddr(TCGContext *s, int cond) |
354 | e936243a | balrog | { |
355 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
|
356 | e936243a | balrog | tcg_out8(s, (cond << 4) | 0x0a); |
357 | e936243a | balrog | s->code_ptr += 3;
|
358 | e936243a | balrog | #else
|
359 | e936243a | balrog | s->code_ptr += 3;
|
360 | e936243a | balrog | tcg_out8(s, (cond << 4) | 0x0a); |
361 | e936243a | balrog | #endif
|
362 | e936243a | balrog | } |
363 | e936243a | balrog | |
364 | 811d4cf4 | balrog | static inline void tcg_out_bl(TCGContext *s, int cond, int32_t offset) |
365 | 811d4cf4 | balrog | { |
366 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x0b000000 | |
367 | 811d4cf4 | balrog | (((offset - 8) >> 2) & 0x00ffffff)); |
368 | 811d4cf4 | balrog | } |
369 | 811d4cf4 | balrog | |
370 | 23401b58 | Aurelien Jarno | static inline void tcg_out_blx(TCGContext *s, int cond, int rn) |
371 | 23401b58 | Aurelien Jarno | { |
372 | 23401b58 | Aurelien Jarno | tcg_out32(s, (cond << 28) | 0x012fff30 | rn); |
373 | 23401b58 | Aurelien Jarno | } |
374 | 23401b58 | Aurelien Jarno | |
375 | 811d4cf4 | balrog | static inline void tcg_out_dat_reg(TCGContext *s, |
376 | 811d4cf4 | balrog | int cond, int opc, int rd, int rn, int rm, int shift) |
377 | 811d4cf4 | balrog | { |
378 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | (0 << 25) | (opc << 21) | TO_CPSR(opc) | |
379 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | shift | rm); |
380 | 811d4cf4 | balrog | } |
381 | 811d4cf4 | balrog | |
382 | 811d4cf4 | balrog | static inline void tcg_out_dat_reg2(TCGContext *s, |
383 | 811d4cf4 | balrog | int cond, int opc0, int opc1, int rd0, int rd1, |
384 | 811d4cf4 | balrog | int rn0, int rn1, int rm0, int rm1, int shift) |
385 | 811d4cf4 | balrog | { |
386 | 0c9c3a9e | balrog | if (rd0 == rn1 || rd0 == rm1) {
|
387 | 0c9c3a9e | balrog | tcg_out32(s, (cond << 28) | (0 << 25) | (opc0 << 21) | (1 << 20) | |
388 | 0c9c3a9e | balrog | (rn0 << 16) | (8 << 12) | shift | rm0); |
389 | 0c9c3a9e | balrog | tcg_out32(s, (cond << 28) | (0 << 25) | (opc1 << 21) | |
390 | 0c9c3a9e | balrog | (rn1 << 16) | (rd1 << 12) | shift | rm1); |
391 | 0c9c3a9e | balrog | tcg_out_dat_reg(s, cond, ARITH_MOV, |
392 | 0c9c3a9e | balrog | rd0, 0, TCG_REG_R8, SHIFT_IMM_LSL(0)); |
393 | 0c9c3a9e | balrog | } else {
|
394 | 0c9c3a9e | balrog | tcg_out32(s, (cond << 28) | (0 << 25) | (opc0 << 21) | (1 << 20) | |
395 | 0c9c3a9e | balrog | (rn0 << 16) | (rd0 << 12) | shift | rm0); |
396 | 0c9c3a9e | balrog | tcg_out32(s, (cond << 28) | (0 << 25) | (opc1 << 21) | |
397 | 0c9c3a9e | balrog | (rn1 << 16) | (rd1 << 12) | shift | rm1); |
398 | 0c9c3a9e | balrog | } |
399 | 811d4cf4 | balrog | } |
400 | 811d4cf4 | balrog | |
401 | 811d4cf4 | balrog | static inline void tcg_out_dat_imm(TCGContext *s, |
402 | 811d4cf4 | balrog | int cond, int opc, int rd, int rn, int im) |
403 | 811d4cf4 | balrog | { |
404 | 3979144c | pbrook | tcg_out32(s, (cond << 28) | (1 << 25) | (opc << 21) | TO_CPSR(opc) | |
405 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | im); |
406 | 811d4cf4 | balrog | } |
407 | 811d4cf4 | balrog | |
408 | 811d4cf4 | balrog | static inline void tcg_out_movi32(TCGContext *s, |
409 | 0f11f25a | Aurelien Jarno | int cond, int rd, uint32_t arg) |
410 | 811d4cf4 | balrog | { |
411 | 811d4cf4 | balrog | /* TODO: This is very suboptimal, we can easily have a constant
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412 | 811d4cf4 | balrog | * pool somewhere after all the instructions. */
|
413 | 0f11f25a | Aurelien Jarno | if ((int)arg < 0 && (int)arg >= -0x100) { |
414 | 0f11f25a | Aurelien Jarno | tcg_out_dat_imm(s, cond, ARITH_MVN, rd, 0, (~arg) & 0xff); |
415 | 0f11f25a | Aurelien Jarno | } else if (use_armv7_instructions) { |
416 | ac34fb5c | Aurelien Jarno | /* use movw/movt */
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417 | ac34fb5c | Aurelien Jarno | /* movw */
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418 | ac34fb5c | Aurelien Jarno | tcg_out32(s, (cond << 28) | 0x03000000 | (rd << 12) |
419 | ac34fb5c | Aurelien Jarno | | ((arg << 4) & 0x000f0000) | (arg & 0xfff)); |
420 | 0f11f25a | Aurelien Jarno | if (arg & 0xffff0000) { |
421 | ac34fb5c | Aurelien Jarno | /* movt */
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422 | ac34fb5c | Aurelien Jarno | tcg_out32(s, (cond << 28) | 0x03400000 | (rd << 12) |
423 | ac34fb5c | Aurelien Jarno | | ((arg >> 12) & 0x000f0000) | ((arg >> 16) & 0xfff)); |
424 | ac34fb5c | Aurelien Jarno | } |
425 | 0f11f25a | Aurelien Jarno | } else {
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426 | 0f11f25a | Aurelien Jarno | int opc = ARITH_MOV;
|
427 | 0f11f25a | Aurelien Jarno | int rn = 0; |
428 | 0f11f25a | Aurelien Jarno | |
429 | 0f11f25a | Aurelien Jarno | do {
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430 | 0f11f25a | Aurelien Jarno | int i, rot;
|
431 | 0f11f25a | Aurelien Jarno | |
432 | 0f11f25a | Aurelien Jarno | i = ctz32(arg) & ~1;
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433 | 0f11f25a | Aurelien Jarno | rot = ((32 - i) << 7) & 0xf00; |
434 | 0f11f25a | Aurelien Jarno | tcg_out_dat_imm(s, cond, opc, rd, rn, ((arg >> i) & 0xff) | rot);
|
435 | 0f11f25a | Aurelien Jarno | arg &= ~(0xff << i);
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436 | 0f11f25a | Aurelien Jarno | |
437 | 0f11f25a | Aurelien Jarno | opc = ARITH_ORR; |
438 | 0f11f25a | Aurelien Jarno | rn = rd; |
439 | 0f11f25a | Aurelien Jarno | } while (arg);
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440 | 0f11f25a | Aurelien Jarno | } |
441 | 811d4cf4 | balrog | } |
442 | 811d4cf4 | balrog | |
443 | 811d4cf4 | balrog | static inline void tcg_out_mul32(TCGContext *s, |
444 | 811d4cf4 | balrog | int cond, int rd, int rs, int rm) |
445 | 811d4cf4 | balrog | { |
446 | 811d4cf4 | balrog | if (rd != rm)
|
447 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | (rd << 16) | (0 << 12) | |
448 | 811d4cf4 | balrog | (rs << 8) | 0x90 | rm); |
449 | 811d4cf4 | balrog | else if (rd != rs) |
450 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | (rd << 16) | (0 << 12) | |
451 | 811d4cf4 | balrog | (rm << 8) | 0x90 | rs); |
452 | 811d4cf4 | balrog | else {
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453 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | ( 8 << 16) | (0 << 12) | |
454 | 811d4cf4 | balrog | (rs << 8) | 0x90 | rm); |
455 | 811d4cf4 | balrog | tcg_out_dat_reg(s, cond, ARITH_MOV, |
456 | c8d80cef | Aurelien Jarno | rd, 0, TCG_REG_R8, SHIFT_IMM_LSL(0)); |
457 | 811d4cf4 | balrog | } |
458 | 811d4cf4 | balrog | } |
459 | 811d4cf4 | balrog | |
460 | 811d4cf4 | balrog | static inline void tcg_out_umull32(TCGContext *s, |
461 | 811d4cf4 | balrog | int cond, int rd0, int rd1, int rs, int rm) |
462 | 811d4cf4 | balrog | { |
463 | 811d4cf4 | balrog | if (rd0 != rm && rd1 != rm)
|
464 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x800090 | |
465 | 811d4cf4 | balrog | (rd1 << 16) | (rd0 << 12) | (rs << 8) | rm); |
466 | 811d4cf4 | balrog | else if (rd0 != rs && rd1 != rs) |
467 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x800090 | |
468 | 811d4cf4 | balrog | (rd1 << 16) | (rd0 << 12) | (rm << 8) | rs); |
469 | 811d4cf4 | balrog | else {
|
470 | 811d4cf4 | balrog | tcg_out_dat_reg(s, cond, ARITH_MOV, |
471 | 811d4cf4 | balrog | TCG_REG_R8, 0, rm, SHIFT_IMM_LSL(0)); |
472 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x800098 | |
473 | 811d4cf4 | balrog | (rd1 << 16) | (rd0 << 12) | (rs << 8)); |
474 | 811d4cf4 | balrog | } |
475 | 811d4cf4 | balrog | } |
476 | 811d4cf4 | balrog | |
477 | 811d4cf4 | balrog | static inline void tcg_out_smull32(TCGContext *s, |
478 | 811d4cf4 | balrog | int cond, int rd0, int rd1, int rs, int rm) |
479 | 811d4cf4 | balrog | { |
480 | 811d4cf4 | balrog | if (rd0 != rm && rd1 != rm)
|
481 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0xc00090 | |
482 | 811d4cf4 | balrog | (rd1 << 16) | (rd0 << 12) | (rs << 8) | rm); |
483 | 811d4cf4 | balrog | else if (rd0 != rs && rd1 != rs) |
484 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0xc00090 | |
485 | 811d4cf4 | balrog | (rd1 << 16) | (rd0 << 12) | (rm << 8) | rs); |
486 | 811d4cf4 | balrog | else {
|
487 | 811d4cf4 | balrog | tcg_out_dat_reg(s, cond, ARITH_MOV, |
488 | 811d4cf4 | balrog | TCG_REG_R8, 0, rm, SHIFT_IMM_LSL(0)); |
489 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0xc00098 | |
490 | 811d4cf4 | balrog | (rd1 << 16) | (rd0 << 12) | (rs << 8)); |
491 | 811d4cf4 | balrog | } |
492 | 811d4cf4 | balrog | } |
493 | 811d4cf4 | balrog | |
494 | 9517094f | Aurelien Jarno | static inline void tcg_out_ext8s(TCGContext *s, int cond, |
495 | 9517094f | Aurelien Jarno | int rd, int rn) |
496 | 9517094f | Aurelien Jarno | { |
497 | 9517094f | Aurelien Jarno | if (use_armv6_instructions) {
|
498 | 9517094f | Aurelien Jarno | /* sxtb */
|
499 | 9517094f | Aurelien Jarno | tcg_out32(s, 0x06af0070 | (cond << 28) | (rd << 12) | rn); |
500 | 9517094f | Aurelien Jarno | } else {
|
501 | e23886a9 | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_MOV, |
502 | 9517094f | Aurelien Jarno | rd, 0, rn, SHIFT_IMM_LSL(24)); |
503 | e23886a9 | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_MOV, |
504 | 9517094f | Aurelien Jarno | rd, 0, rd, SHIFT_IMM_ASR(24)); |
505 | 9517094f | Aurelien Jarno | } |
506 | 9517094f | Aurelien Jarno | } |
507 | 9517094f | Aurelien Jarno | |
508 | e854b6d3 | Aurelien Jarno | static inline void tcg_out_ext8u(TCGContext *s, int cond, |
509 | e854b6d3 | Aurelien Jarno | int rd, int rn) |
510 | e854b6d3 | Aurelien Jarno | { |
511 | e854b6d3 | Aurelien Jarno | tcg_out_dat_imm(s, cond, ARITH_AND, rd, rn, 0xff);
|
512 | e854b6d3 | Aurelien Jarno | } |
513 | e854b6d3 | Aurelien Jarno | |
514 | 9517094f | Aurelien Jarno | static inline void tcg_out_ext16s(TCGContext *s, int cond, |
515 | 9517094f | Aurelien Jarno | int rd, int rn) |
516 | 9517094f | Aurelien Jarno | { |
517 | 9517094f | Aurelien Jarno | if (use_armv6_instructions) {
|
518 | 9517094f | Aurelien Jarno | /* sxth */
|
519 | 9517094f | Aurelien Jarno | tcg_out32(s, 0x06bf0070 | (cond << 28) | (rd << 12) | rn); |
520 | 9517094f | Aurelien Jarno | } else {
|
521 | e23886a9 | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_MOV, |
522 | 9517094f | Aurelien Jarno | rd, 0, rn, SHIFT_IMM_LSL(16)); |
523 | e23886a9 | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_MOV, |
524 | 9517094f | Aurelien Jarno | rd, 0, rd, SHIFT_IMM_ASR(16)); |
525 | 9517094f | Aurelien Jarno | } |
526 | 9517094f | Aurelien Jarno | } |
527 | 9517094f | Aurelien Jarno | |
528 | 9517094f | Aurelien Jarno | static inline void tcg_out_ext16u(TCGContext *s, int cond, |
529 | 9517094f | Aurelien Jarno | int rd, int rn) |
530 | 9517094f | Aurelien Jarno | { |
531 | 9517094f | Aurelien Jarno | if (use_armv6_instructions) {
|
532 | 9517094f | Aurelien Jarno | /* uxth */
|
533 | 9517094f | Aurelien Jarno | tcg_out32(s, 0x06ff0070 | (cond << 28) | (rd << 12) | rn); |
534 | 9517094f | Aurelien Jarno | } else {
|
535 | e23886a9 | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_MOV, |
536 | 9517094f | Aurelien Jarno | rd, 0, rn, SHIFT_IMM_LSL(16)); |
537 | e23886a9 | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_MOV, |
538 | 9517094f | Aurelien Jarno | rd, 0, rd, SHIFT_IMM_LSR(16)); |
539 | 9517094f | Aurelien Jarno | } |
540 | 9517094f | Aurelien Jarno | } |
541 | 9517094f | Aurelien Jarno | |
542 | 67dcab73 | Aurelien Jarno | static inline void tcg_out_bswap16s(TCGContext *s, int cond, int rd, int rn) |
543 | 67dcab73 | Aurelien Jarno | { |
544 | 67dcab73 | Aurelien Jarno | if (use_armv6_instructions) {
|
545 | 67dcab73 | Aurelien Jarno | /* revsh */
|
546 | 67dcab73 | Aurelien Jarno | tcg_out32(s, 0x06ff0fb0 | (cond << 28) | (rd << 12) | rn); |
547 | 67dcab73 | Aurelien Jarno | } else {
|
548 | 67dcab73 | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_MOV, |
549 | 67dcab73 | Aurelien Jarno | TCG_REG_R8, 0, rn, SHIFT_IMM_LSL(24)); |
550 | 67dcab73 | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_MOV, |
551 | 67dcab73 | Aurelien Jarno | TCG_REG_R8, 0, TCG_REG_R8, SHIFT_IMM_ASR(16)); |
552 | 67dcab73 | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_ORR, |
553 | 67dcab73 | Aurelien Jarno | rd, TCG_REG_R8, rn, SHIFT_IMM_LSR(8));
|
554 | 67dcab73 | Aurelien Jarno | } |
555 | 67dcab73 | Aurelien Jarno | } |
556 | 67dcab73 | Aurelien Jarno | |
557 | 244b1e81 | Aurelien Jarno | static inline void tcg_out_bswap16(TCGContext *s, int cond, int rd, int rn) |
558 | 244b1e81 | Aurelien Jarno | { |
559 | 244b1e81 | Aurelien Jarno | if (use_armv6_instructions) {
|
560 | 244b1e81 | Aurelien Jarno | /* rev16 */
|
561 | 244b1e81 | Aurelien Jarno | tcg_out32(s, 0x06bf0fb0 | (cond << 28) | (rd << 12) | rn); |
562 | 244b1e81 | Aurelien Jarno | } else {
|
563 | 244b1e81 | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_MOV, |
564 | 244b1e81 | Aurelien Jarno | TCG_REG_R8, 0, rn, SHIFT_IMM_LSL(24)); |
565 | 244b1e81 | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_MOV, |
566 | 244b1e81 | Aurelien Jarno | TCG_REG_R8, 0, TCG_REG_R8, SHIFT_IMM_LSR(16)); |
567 | 244b1e81 | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_ORR, |
568 | 244b1e81 | Aurelien Jarno | rd, TCG_REG_R8, rn, SHIFT_IMM_LSR(8));
|
569 | 244b1e81 | Aurelien Jarno | } |
570 | 244b1e81 | Aurelien Jarno | } |
571 | 244b1e81 | Aurelien Jarno | |
572 | 244b1e81 | Aurelien Jarno | static inline void tcg_out_bswap32(TCGContext *s, int cond, int rd, int rn) |
573 | 244b1e81 | Aurelien Jarno | { |
574 | 244b1e81 | Aurelien Jarno | if (use_armv6_instructions) {
|
575 | 244b1e81 | Aurelien Jarno | /* rev */
|
576 | 244b1e81 | Aurelien Jarno | tcg_out32(s, 0x06bf0f30 | (cond << 28) | (rd << 12) | rn); |
577 | 244b1e81 | Aurelien Jarno | } else {
|
578 | 244b1e81 | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_EOR, |
579 | 244b1e81 | Aurelien Jarno | TCG_REG_R8, rn, rn, SHIFT_IMM_ROR(16));
|
580 | 244b1e81 | Aurelien Jarno | tcg_out_dat_imm(s, cond, ARITH_BIC, |
581 | 244b1e81 | Aurelien Jarno | TCG_REG_R8, TCG_REG_R8, 0xff | 0x800); |
582 | 244b1e81 | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_MOV, |
583 | 244b1e81 | Aurelien Jarno | rd, 0, rn, SHIFT_IMM_ROR(8)); |
584 | 244b1e81 | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_EOR, |
585 | 244b1e81 | Aurelien Jarno | rd, rd, TCG_REG_R8, SHIFT_IMM_LSR(8));
|
586 | 244b1e81 | Aurelien Jarno | } |
587 | 244b1e81 | Aurelien Jarno | } |
588 | 244b1e81 | Aurelien Jarno | |
589 | 811d4cf4 | balrog | static inline void tcg_out_ld32_12(TCGContext *s, int cond, |
590 | 811d4cf4 | balrog | int rd, int rn, tcg_target_long im) |
591 | 811d4cf4 | balrog | { |
592 | 811d4cf4 | balrog | if (im >= 0) |
593 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x05900000 | |
594 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | (im & 0xfff)); |
595 | 811d4cf4 | balrog | else
|
596 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x05100000 | |
597 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | ((-im) & 0xfff)); |
598 | 811d4cf4 | balrog | } |
599 | 811d4cf4 | balrog | |
600 | 811d4cf4 | balrog | static inline void tcg_out_st32_12(TCGContext *s, int cond, |
601 | 811d4cf4 | balrog | int rd, int rn, tcg_target_long im) |
602 | 811d4cf4 | balrog | { |
603 | 811d4cf4 | balrog | if (im >= 0) |
604 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x05800000 | |
605 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | (im & 0xfff)); |
606 | 811d4cf4 | balrog | else
|
607 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x05000000 | |
608 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | ((-im) & 0xfff)); |
609 | 811d4cf4 | balrog | } |
610 | 811d4cf4 | balrog | |
611 | 811d4cf4 | balrog | static inline void tcg_out_ld32_r(TCGContext *s, int cond, |
612 | 811d4cf4 | balrog | int rd, int rn, int rm) |
613 | 811d4cf4 | balrog | { |
614 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x07900000 | |
615 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | rm); |
616 | 811d4cf4 | balrog | } |
617 | 811d4cf4 | balrog | |
618 | 811d4cf4 | balrog | static inline void tcg_out_st32_r(TCGContext *s, int cond, |
619 | 811d4cf4 | balrog | int rd, int rn, int rm) |
620 | 811d4cf4 | balrog | { |
621 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x07800000 | |
622 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | rm); |
623 | 811d4cf4 | balrog | } |
624 | 811d4cf4 | balrog | |
625 | 3979144c | pbrook | /* Register pre-increment with base writeback. */
|
626 | 3979144c | pbrook | static inline void tcg_out_ld32_rwb(TCGContext *s, int cond, |
627 | 3979144c | pbrook | int rd, int rn, int rm) |
628 | 3979144c | pbrook | { |
629 | 3979144c | pbrook | tcg_out32(s, (cond << 28) | 0x07b00000 | |
630 | 3979144c | pbrook | (rn << 16) | (rd << 12) | rm); |
631 | 3979144c | pbrook | } |
632 | 3979144c | pbrook | |
633 | 3979144c | pbrook | static inline void tcg_out_st32_rwb(TCGContext *s, int cond, |
634 | 3979144c | pbrook | int rd, int rn, int rm) |
635 | 3979144c | pbrook | { |
636 | 3979144c | pbrook | tcg_out32(s, (cond << 28) | 0x07a00000 | |
637 | 3979144c | pbrook | (rn << 16) | (rd << 12) | rm); |
638 | 3979144c | pbrook | } |
639 | 3979144c | pbrook | |
640 | 811d4cf4 | balrog | static inline void tcg_out_ld16u_8(TCGContext *s, int cond, |
641 | 811d4cf4 | balrog | int rd, int rn, tcg_target_long im) |
642 | 811d4cf4 | balrog | { |
643 | 811d4cf4 | balrog | if (im >= 0) |
644 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x01d000b0 | |
645 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | |
646 | 811d4cf4 | balrog | ((im & 0xf0) << 4) | (im & 0xf)); |
647 | 811d4cf4 | balrog | else
|
648 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x015000b0 | |
649 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | |
650 | 811d4cf4 | balrog | (((-im) & 0xf0) << 4) | ((-im) & 0xf)); |
651 | 811d4cf4 | balrog | } |
652 | 811d4cf4 | balrog | |
653 | f694a27e | Aurelien Jarno | static inline void tcg_out_st16_8(TCGContext *s, int cond, |
654 | 811d4cf4 | balrog | int rd, int rn, tcg_target_long im) |
655 | 811d4cf4 | balrog | { |
656 | 811d4cf4 | balrog | if (im >= 0) |
657 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x01c000b0 | |
658 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | |
659 | 811d4cf4 | balrog | ((im & 0xf0) << 4) | (im & 0xf)); |
660 | 811d4cf4 | balrog | else
|
661 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x014000b0 | |
662 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | |
663 | 811d4cf4 | balrog | (((-im) & 0xf0) << 4) | ((-im) & 0xf)); |
664 | 811d4cf4 | balrog | } |
665 | 811d4cf4 | balrog | |
666 | 811d4cf4 | balrog | static inline void tcg_out_ld16u_r(TCGContext *s, int cond, |
667 | 811d4cf4 | balrog | int rd, int rn, int rm) |
668 | 811d4cf4 | balrog | { |
669 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x019000b0 | |
670 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | rm); |
671 | 811d4cf4 | balrog | } |
672 | 811d4cf4 | balrog | |
673 | f694a27e | Aurelien Jarno | static inline void tcg_out_st16_r(TCGContext *s, int cond, |
674 | 811d4cf4 | balrog | int rd, int rn, int rm) |
675 | 811d4cf4 | balrog | { |
676 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x018000b0 | |
677 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | rm); |
678 | 811d4cf4 | balrog | } |
679 | 811d4cf4 | balrog | |
680 | 811d4cf4 | balrog | static inline void tcg_out_ld16s_8(TCGContext *s, int cond, |
681 | 811d4cf4 | balrog | int rd, int rn, tcg_target_long im) |
682 | 811d4cf4 | balrog | { |
683 | 811d4cf4 | balrog | if (im >= 0) |
684 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x01d000f0 | |
685 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | |
686 | 811d4cf4 | balrog | ((im & 0xf0) << 4) | (im & 0xf)); |
687 | 811d4cf4 | balrog | else
|
688 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x015000f0 | |
689 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | |
690 | 811d4cf4 | balrog | (((-im) & 0xf0) << 4) | ((-im) & 0xf)); |
691 | 811d4cf4 | balrog | } |
692 | 811d4cf4 | balrog | |
693 | 811d4cf4 | balrog | static inline void tcg_out_ld16s_r(TCGContext *s, int cond, |
694 | 811d4cf4 | balrog | int rd, int rn, int rm) |
695 | 811d4cf4 | balrog | { |
696 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x019000f0 | |
697 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | rm); |
698 | 811d4cf4 | balrog | } |
699 | 811d4cf4 | balrog | |
700 | 811d4cf4 | balrog | static inline void tcg_out_ld8_12(TCGContext *s, int cond, |
701 | 811d4cf4 | balrog | int rd, int rn, tcg_target_long im) |
702 | 811d4cf4 | balrog | { |
703 | 811d4cf4 | balrog | if (im >= 0) |
704 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x05d00000 | |
705 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | (im & 0xfff)); |
706 | 811d4cf4 | balrog | else
|
707 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x05500000 | |
708 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | ((-im) & 0xfff)); |
709 | 811d4cf4 | balrog | } |
710 | 811d4cf4 | balrog | |
711 | 811d4cf4 | balrog | static inline void tcg_out_st8_12(TCGContext *s, int cond, |
712 | 811d4cf4 | balrog | int rd, int rn, tcg_target_long im) |
713 | 811d4cf4 | balrog | { |
714 | 811d4cf4 | balrog | if (im >= 0) |
715 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x05c00000 | |
716 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | (im & 0xfff)); |
717 | 811d4cf4 | balrog | else
|
718 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x05400000 | |
719 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | ((-im) & 0xfff)); |
720 | 811d4cf4 | balrog | } |
721 | 811d4cf4 | balrog | |
722 | 811d4cf4 | balrog | static inline void tcg_out_ld8_r(TCGContext *s, int cond, |
723 | 811d4cf4 | balrog | int rd, int rn, int rm) |
724 | 811d4cf4 | balrog | { |
725 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x07d00000 | |
726 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | rm); |
727 | 811d4cf4 | balrog | } |
728 | 811d4cf4 | balrog | |
729 | 811d4cf4 | balrog | static inline void tcg_out_st8_r(TCGContext *s, int cond, |
730 | 811d4cf4 | balrog | int rd, int rn, int rm) |
731 | 811d4cf4 | balrog | { |
732 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x07c00000 | |
733 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | rm); |
734 | 811d4cf4 | balrog | } |
735 | 811d4cf4 | balrog | |
736 | 811d4cf4 | balrog | static inline void tcg_out_ld8s_8(TCGContext *s, int cond, |
737 | 811d4cf4 | balrog | int rd, int rn, tcg_target_long im) |
738 | 811d4cf4 | balrog | { |
739 | 811d4cf4 | balrog | if (im >= 0) |
740 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x01d000d0 | |
741 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | |
742 | 811d4cf4 | balrog | ((im & 0xf0) << 4) | (im & 0xf)); |
743 | 811d4cf4 | balrog | else
|
744 | 811d4cf4 | balrog | tcg_out32(s, (cond << 28) | 0x015000d0 | |
745 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | |
746 | 811d4cf4 | balrog | (((-im) & 0xf0) << 4) | ((-im) & 0xf)); |
747 | 811d4cf4 | balrog | } |
748 | 811d4cf4 | balrog | |
749 | 811d4cf4 | balrog | static inline void tcg_out_ld8s_r(TCGContext *s, int cond, |
750 | 811d4cf4 | balrog | int rd, int rn, int rm) |
751 | 811d4cf4 | balrog | { |
752 | 204c1674 | balrog | tcg_out32(s, (cond << 28) | 0x019000d0 | |
753 | 811d4cf4 | balrog | (rn << 16) | (rd << 12) | rm); |
754 | 811d4cf4 | balrog | } |
755 | 811d4cf4 | balrog | |
756 | 811d4cf4 | balrog | static inline void tcg_out_ld32u(TCGContext *s, int cond, |
757 | 811d4cf4 | balrog | int rd, int rn, int32_t offset) |
758 | 811d4cf4 | balrog | { |
759 | 811d4cf4 | balrog | if (offset > 0xfff || offset < -0xfff) { |
760 | 811d4cf4 | balrog | tcg_out_movi32(s, cond, TCG_REG_R8, offset); |
761 | 811d4cf4 | balrog | tcg_out_ld32_r(s, cond, rd, rn, TCG_REG_R8); |
762 | 811d4cf4 | balrog | } else
|
763 | 811d4cf4 | balrog | tcg_out_ld32_12(s, cond, rd, rn, offset); |
764 | 811d4cf4 | balrog | } |
765 | 811d4cf4 | balrog | |
766 | 811d4cf4 | balrog | static inline void tcg_out_st32(TCGContext *s, int cond, |
767 | 811d4cf4 | balrog | int rd, int rn, int32_t offset) |
768 | 811d4cf4 | balrog | { |
769 | 811d4cf4 | balrog | if (offset > 0xfff || offset < -0xfff) { |
770 | 811d4cf4 | balrog | tcg_out_movi32(s, cond, TCG_REG_R8, offset); |
771 | 811d4cf4 | balrog | tcg_out_st32_r(s, cond, rd, rn, TCG_REG_R8); |
772 | 811d4cf4 | balrog | } else
|
773 | 811d4cf4 | balrog | tcg_out_st32_12(s, cond, rd, rn, offset); |
774 | 811d4cf4 | balrog | } |
775 | 811d4cf4 | balrog | |
776 | 811d4cf4 | balrog | static inline void tcg_out_ld16u(TCGContext *s, int cond, |
777 | 811d4cf4 | balrog | int rd, int rn, int32_t offset) |
778 | 811d4cf4 | balrog | { |
779 | 811d4cf4 | balrog | if (offset > 0xff || offset < -0xff) { |
780 | 811d4cf4 | balrog | tcg_out_movi32(s, cond, TCG_REG_R8, offset); |
781 | 811d4cf4 | balrog | tcg_out_ld16u_r(s, cond, rd, rn, TCG_REG_R8); |
782 | 811d4cf4 | balrog | } else
|
783 | 811d4cf4 | balrog | tcg_out_ld16u_8(s, cond, rd, rn, offset); |
784 | 811d4cf4 | balrog | } |
785 | 811d4cf4 | balrog | |
786 | 811d4cf4 | balrog | static inline void tcg_out_ld16s(TCGContext *s, int cond, |
787 | 811d4cf4 | balrog | int rd, int rn, int32_t offset) |
788 | 811d4cf4 | balrog | { |
789 | 811d4cf4 | balrog | if (offset > 0xff || offset < -0xff) { |
790 | 811d4cf4 | balrog | tcg_out_movi32(s, cond, TCG_REG_R8, offset); |
791 | 811d4cf4 | balrog | tcg_out_ld16s_r(s, cond, rd, rn, TCG_REG_R8); |
792 | 811d4cf4 | balrog | } else
|
793 | 811d4cf4 | balrog | tcg_out_ld16s_8(s, cond, rd, rn, offset); |
794 | 811d4cf4 | balrog | } |
795 | 811d4cf4 | balrog | |
796 | f694a27e | Aurelien Jarno | static inline void tcg_out_st16(TCGContext *s, int cond, |
797 | 811d4cf4 | balrog | int rd, int rn, int32_t offset) |
798 | 811d4cf4 | balrog | { |
799 | 811d4cf4 | balrog | if (offset > 0xff || offset < -0xff) { |
800 | 811d4cf4 | balrog | tcg_out_movi32(s, cond, TCG_REG_R8, offset); |
801 | f694a27e | Aurelien Jarno | tcg_out_st16_r(s, cond, rd, rn, TCG_REG_R8); |
802 | 811d4cf4 | balrog | } else
|
803 | f694a27e | Aurelien Jarno | tcg_out_st16_8(s, cond, rd, rn, offset); |
804 | 811d4cf4 | balrog | } |
805 | 811d4cf4 | balrog | |
806 | 811d4cf4 | balrog | static inline void tcg_out_ld8u(TCGContext *s, int cond, |
807 | 811d4cf4 | balrog | int rd, int rn, int32_t offset) |
808 | 811d4cf4 | balrog | { |
809 | 811d4cf4 | balrog | if (offset > 0xfff || offset < -0xfff) { |
810 | 811d4cf4 | balrog | tcg_out_movi32(s, cond, TCG_REG_R8, offset); |
811 | 811d4cf4 | balrog | tcg_out_ld8_r(s, cond, rd, rn, TCG_REG_R8); |
812 | 811d4cf4 | balrog | } else
|
813 | 811d4cf4 | balrog | tcg_out_ld8_12(s, cond, rd, rn, offset); |
814 | 811d4cf4 | balrog | } |
815 | 811d4cf4 | balrog | |
816 | 811d4cf4 | balrog | static inline void tcg_out_ld8s(TCGContext *s, int cond, |
817 | 811d4cf4 | balrog | int rd, int rn, int32_t offset) |
818 | 811d4cf4 | balrog | { |
819 | 811d4cf4 | balrog | if (offset > 0xff || offset < -0xff) { |
820 | 811d4cf4 | balrog | tcg_out_movi32(s, cond, TCG_REG_R8, offset); |
821 | 811d4cf4 | balrog | tcg_out_ld8s_r(s, cond, rd, rn, TCG_REG_R8); |
822 | 811d4cf4 | balrog | } else
|
823 | 811d4cf4 | balrog | tcg_out_ld8s_8(s, cond, rd, rn, offset); |
824 | 811d4cf4 | balrog | } |
825 | 811d4cf4 | balrog | |
826 | f694a27e | Aurelien Jarno | static inline void tcg_out_st8(TCGContext *s, int cond, |
827 | 811d4cf4 | balrog | int rd, int rn, int32_t offset) |
828 | 811d4cf4 | balrog | { |
829 | 811d4cf4 | balrog | if (offset > 0xfff || offset < -0xfff) { |
830 | 811d4cf4 | balrog | tcg_out_movi32(s, cond, TCG_REG_R8, offset); |
831 | 811d4cf4 | balrog | tcg_out_st8_r(s, cond, rd, rn, TCG_REG_R8); |
832 | 811d4cf4 | balrog | } else
|
833 | 811d4cf4 | balrog | tcg_out_st8_12(s, cond, rd, rn, offset); |
834 | 811d4cf4 | balrog | } |
835 | 811d4cf4 | balrog | |
836 | 811d4cf4 | balrog | static inline void tcg_out_goto(TCGContext *s, int cond, uint32_t addr) |
837 | 811d4cf4 | balrog | { |
838 | 811d4cf4 | balrog | int32_t val; |
839 | 811d4cf4 | balrog | |
840 | 811d4cf4 | balrog | val = addr - (tcg_target_long) s->code_ptr; |
841 | 811d4cf4 | balrog | if (val - 8 < 0x01fffffd && val - 8 > -0x01fffffd) |
842 | 811d4cf4 | balrog | tcg_out_b(s, cond, val); |
843 | 811d4cf4 | balrog | else {
|
844 | 811d4cf4 | balrog | #if 1 |
845 | 811d4cf4 | balrog | tcg_abort(); |
846 | 811d4cf4 | balrog | #else
|
847 | 811d4cf4 | balrog | if (cond == COND_AL) {
|
848 | c8d80cef | Aurelien Jarno | tcg_out_ld32_12(s, COND_AL, TCG_REG_PC, TCG_REG_PC, -4);
|
849 | 811d4cf4 | balrog | tcg_out32(s, addr); /* XXX: This is l->u.value, can we use it? */
|
850 | 811d4cf4 | balrog | } else {
|
851 | 811d4cf4 | balrog | tcg_out_movi32(s, cond, TCG_REG_R8, val - 8);
|
852 | 811d4cf4 | balrog | tcg_out_dat_reg(s, cond, ARITH_ADD, |
853 | c8d80cef | Aurelien Jarno | TCG_REG_PC, TCG_REG_PC, |
854 | c8d80cef | Aurelien Jarno | TCG_REG_R8, SHIFT_IMM_LSL(0));
|
855 | 811d4cf4 | balrog | } |
856 | 811d4cf4 | balrog | #endif
|
857 | 811d4cf4 | balrog | } |
858 | 811d4cf4 | balrog | } |
859 | 811d4cf4 | balrog | |
860 | 811d4cf4 | balrog | static inline void tcg_out_call(TCGContext *s, int cond, uint32_t addr) |
861 | 811d4cf4 | balrog | { |
862 | 811d4cf4 | balrog | int32_t val; |
863 | 811d4cf4 | balrog | |
864 | 811d4cf4 | balrog | val = addr - (tcg_target_long) s->code_ptr; |
865 | 811d4cf4 | balrog | if (val < 0x01fffffd && val > -0x01fffffd) |
866 | 811d4cf4 | balrog | tcg_out_bl(s, cond, val); |
867 | 811d4cf4 | balrog | else {
|
868 | 811d4cf4 | balrog | #if 1 |
869 | 811d4cf4 | balrog | tcg_abort(); |
870 | 811d4cf4 | balrog | #else
|
871 | 811d4cf4 | balrog | if (cond == COND_AL) {
|
872 | c8d80cef | Aurelien Jarno | tcg_out_dat_imm(s, cond, ARITH_ADD, TCG_REG_R14, TCG_REG_PC, 4);
|
873 | c8d80cef | Aurelien Jarno | tcg_out_ld32_12(s, COND_AL, TCG_REG_PC, TCG_REG_PC, -4);
|
874 | 811d4cf4 | balrog | tcg_out32(s, addr); /* XXX: This is l->u.value, can we use it? */
|
875 | 811d4cf4 | balrog | } else {
|
876 | 811d4cf4 | balrog | tcg_out_movi32(s, cond, TCG_REG_R9, addr); |
877 | c8d80cef | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_MOV, TCG_REG_R14, 0,
|
878 | c8d80cef | Aurelien Jarno | TCG_REG_PC, SHIFT_IMM_LSL(0));
|
879 | 811d4cf4 | balrog | tcg_out_bx(s, cond, TCG_REG_R9); |
880 | 811d4cf4 | balrog | } |
881 | 811d4cf4 | balrog | #endif
|
882 | 811d4cf4 | balrog | } |
883 | 811d4cf4 | balrog | } |
884 | 811d4cf4 | balrog | |
885 | 811d4cf4 | balrog | static inline void tcg_out_callr(TCGContext *s, int cond, int arg) |
886 | 811d4cf4 | balrog | { |
887 | 23401b58 | Aurelien Jarno | if (use_armv5_instructions) {
|
888 | 23401b58 | Aurelien Jarno | tcg_out_blx(s, cond, arg); |
889 | 23401b58 | Aurelien Jarno | } else {
|
890 | 23401b58 | Aurelien Jarno | tcg_out_dat_reg(s, cond, ARITH_MOV, TCG_REG_R14, 0,
|
891 | 23401b58 | Aurelien Jarno | TCG_REG_PC, SHIFT_IMM_LSL(0));
|
892 | 23401b58 | Aurelien Jarno | tcg_out_bx(s, cond, arg); |
893 | 23401b58 | Aurelien Jarno | } |
894 | 811d4cf4 | balrog | } |
895 | 811d4cf4 | balrog | |
896 | 811d4cf4 | balrog | static inline void tcg_out_goto_label(TCGContext *s, int cond, int label_index) |
897 | 811d4cf4 | balrog | { |
898 | 811d4cf4 | balrog | TCGLabel *l = &s->labels[label_index]; |
899 | 811d4cf4 | balrog | |
900 | 811d4cf4 | balrog | if (l->has_value)
|
901 | 811d4cf4 | balrog | tcg_out_goto(s, cond, l->u.value); |
902 | 811d4cf4 | balrog | else if (cond == COND_AL) { |
903 | c8d80cef | Aurelien Jarno | tcg_out_ld32_12(s, COND_AL, TCG_REG_PC, TCG_REG_PC, -4);
|
904 | 811d4cf4 | balrog | tcg_out_reloc(s, s->code_ptr, R_ARM_ABS32, label_index, 31337);
|
905 | 811d4cf4 | balrog | s->code_ptr += 4;
|
906 | 811d4cf4 | balrog | } else {
|
907 | 811d4cf4 | balrog | /* Probably this should be preferred even for COND_AL... */
|
908 | 811d4cf4 | balrog | tcg_out_reloc(s, s->code_ptr, R_ARM_PC24, label_index, 31337);
|
909 | e936243a | balrog | tcg_out_b_noaddr(s, cond); |
910 | 811d4cf4 | balrog | } |
911 | 811d4cf4 | balrog | } |
912 | 811d4cf4 | balrog | |
913 | 811d4cf4 | balrog | #ifdef CONFIG_SOFTMMU
|
914 | 79383c9c | blueswir1 | |
915 | 79383c9c | blueswir1 | #include "../../softmmu_defs.h" |
916 | 811d4cf4 | balrog | |
917 | 811d4cf4 | balrog | static void *qemu_ld_helpers[4] = { |
918 | 811d4cf4 | balrog | __ldb_mmu, |
919 | 811d4cf4 | balrog | __ldw_mmu, |
920 | 811d4cf4 | balrog | __ldl_mmu, |
921 | 811d4cf4 | balrog | __ldq_mmu, |
922 | 811d4cf4 | balrog | }; |
923 | 811d4cf4 | balrog | |
924 | 811d4cf4 | balrog | static void *qemu_st_helpers[4] = { |
925 | 811d4cf4 | balrog | __stb_mmu, |
926 | 811d4cf4 | balrog | __stw_mmu, |
927 | 811d4cf4 | balrog | __stl_mmu, |
928 | 811d4cf4 | balrog | __stq_mmu, |
929 | 811d4cf4 | balrog | }; |
930 | 811d4cf4 | balrog | #endif
|
931 | 811d4cf4 | balrog | |
932 | 3979144c | pbrook | #define TLB_SHIFT (CPU_TLB_ENTRY_BITS + CPU_TLB_BITS)
|
933 | 3979144c | pbrook | |
934 | 7e0d9562 | Aurelien Jarno | static inline void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc) |
935 | 811d4cf4 | balrog | { |
936 | 67dcab73 | Aurelien Jarno | int addr_reg, data_reg, data_reg2, bswap;
|
937 | 811d4cf4 | balrog | #ifdef CONFIG_SOFTMMU
|
938 | 811d4cf4 | balrog | int mem_index, s_bits;
|
939 | 811d4cf4 | balrog | # if TARGET_LONG_BITS == 64 |
940 | 811d4cf4 | balrog | int addr_reg2;
|
941 | 811d4cf4 | balrog | # endif
|
942 | 811d4cf4 | balrog | uint32_t *label_ptr; |
943 | 811d4cf4 | balrog | #endif
|
944 | 811d4cf4 | balrog | |
945 | 67dcab73 | Aurelien Jarno | #ifdef TARGET_WORDS_BIGENDIAN
|
946 | 67dcab73 | Aurelien Jarno | bswap = 1;
|
947 | 67dcab73 | Aurelien Jarno | #else
|
948 | 67dcab73 | Aurelien Jarno | bswap = 0;
|
949 | 67dcab73 | Aurelien Jarno | #endif
|
950 | 811d4cf4 | balrog | data_reg = *args++; |
951 | 811d4cf4 | balrog | if (opc == 3) |
952 | 811d4cf4 | balrog | data_reg2 = *args++; |
953 | 811d4cf4 | balrog | else
|
954 | d89c682f | Stefan Weil | data_reg2 = 0; /* suppress warning */ |
955 | 811d4cf4 | balrog | addr_reg = *args++; |
956 | 811d4cf4 | balrog | #ifdef CONFIG_SOFTMMU
|
957 | aef3a282 | balrog | # if TARGET_LONG_BITS == 64 |
958 | aef3a282 | balrog | addr_reg2 = *args++; |
959 | aef3a282 | balrog | # endif
|
960 | 811d4cf4 | balrog | mem_index = *args; |
961 | 811d4cf4 | balrog | s_bits = opc & 3;
|
962 | 811d4cf4 | balrog | |
963 | 91a3c1b0 | balrog | /* Should generate something like the following:
|
964 | 3979144c | pbrook | * shr r8, addr_reg, #TARGET_PAGE_BITS
|
965 | 91a3c1b0 | balrog | * and r0, r8, #(CPU_TLB_SIZE - 1) @ Assumption: CPU_TLB_BITS <= 8
|
966 | 3979144c | pbrook | * add r0, env, r0 lsl #CPU_TLB_ENTRY_BITS
|
967 | 91a3c1b0 | balrog | */
|
968 | 91a3c1b0 | balrog | # if CPU_TLB_BITS > 8 |
969 | 91a3c1b0 | balrog | # error
|
970 | 91a3c1b0 | balrog | # endif
|
971 | c8d80cef | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, TCG_REG_R8, |
972 | c8d80cef | Aurelien Jarno | 0, addr_reg, SHIFT_IMM_LSR(TARGET_PAGE_BITS));
|
973 | 811d4cf4 | balrog | tcg_out_dat_imm(s, COND_AL, ARITH_AND, |
974 | c8d80cef | Aurelien Jarno | TCG_REG_R0, TCG_REG_R8, CPU_TLB_SIZE - 1);
|
975 | c8d80cef | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_ADD, TCG_REG_R0, TCG_AREG0, |
976 | c8d80cef | Aurelien Jarno | TCG_REG_R0, SHIFT_IMM_LSL(CPU_TLB_ENTRY_BITS)); |
977 | 91a3c1b0 | balrog | /* In the
|
978 | 91a3c1b0 | balrog | * ldr r1 [r0, #(offsetof(CPUState, tlb_table[mem_index][0].addr_read))]
|
979 | 91a3c1b0 | balrog | * below, the offset is likely to exceed 12 bits if mem_index != 0 and
|
980 | 91a3c1b0 | balrog | * not exceed otherwise, so use an
|
981 | 91a3c1b0 | balrog | * add r0, r0, #(mem_index * sizeof *CPUState.tlb_table)
|
982 | 91a3c1b0 | balrog | * before.
|
983 | 91a3c1b0 | balrog | */
|
984 | 225b4376 | balrog | if (mem_index)
|
985 | c8d80cef | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_ADD, TCG_REG_R0, TCG_REG_R0, |
986 | 225b4376 | balrog | (mem_index << (TLB_SHIFT & 1)) |
|
987 | 225b4376 | balrog | ((16 - (TLB_SHIFT >> 1)) << 8)); |
988 | c8d80cef | Aurelien Jarno | tcg_out_ld32_12(s, COND_AL, TCG_REG_R1, TCG_REG_R0, |
989 | 225b4376 | balrog | offsetof(CPUState, tlb_table[0][0].addr_read)); |
990 | c8d80cef | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_CMP, 0, TCG_REG_R1,
|
991 | c8d80cef | Aurelien Jarno | TCG_REG_R8, SHIFT_IMM_LSL(TARGET_PAGE_BITS)); |
992 | 3979144c | pbrook | /* Check alignment. */
|
993 | 3979144c | pbrook | if (s_bits)
|
994 | 3979144c | pbrook | tcg_out_dat_imm(s, COND_EQ, ARITH_TST, |
995 | 3979144c | pbrook | 0, addr_reg, (1 << s_bits) - 1); |
996 | 811d4cf4 | balrog | # if TARGET_LONG_BITS == 64 |
997 | 811d4cf4 | balrog | /* XXX: possibly we could use a block data load or writeback in
|
998 | 811d4cf4 | balrog | * the first access. */
|
999 | c8d80cef | Aurelien Jarno | tcg_out_ld32_12(s, COND_EQ, TCG_REG_R1, TCG_REG_R0, |
1000 | 225b4376 | balrog | offsetof(CPUState, tlb_table[0][0].addr_read) + 4); |
1001 | c8d80cef | Aurelien Jarno | tcg_out_dat_reg(s, COND_EQ, ARITH_CMP, 0,
|
1002 | c8d80cef | Aurelien Jarno | TCG_REG_R1, addr_reg2, SHIFT_IMM_LSL(0));
|
1003 | 811d4cf4 | balrog | # endif
|
1004 | c8d80cef | Aurelien Jarno | tcg_out_ld32_12(s, COND_EQ, TCG_REG_R1, TCG_REG_R0, |
1005 | 225b4376 | balrog | offsetof(CPUState, tlb_table[0][0].addend)); |
1006 | 811d4cf4 | balrog | |
1007 | 811d4cf4 | balrog | switch (opc) {
|
1008 | 811d4cf4 | balrog | case 0: |
1009 | c8d80cef | Aurelien Jarno | tcg_out_ld8_r(s, COND_EQ, data_reg, addr_reg, TCG_REG_R1); |
1010 | 811d4cf4 | balrog | break;
|
1011 | 811d4cf4 | balrog | case 0 | 4: |
1012 | c8d80cef | Aurelien Jarno | tcg_out_ld8s_r(s, COND_EQ, data_reg, addr_reg, TCG_REG_R1); |
1013 | 811d4cf4 | balrog | break;
|
1014 | 811d4cf4 | balrog | case 1: |
1015 | c8d80cef | Aurelien Jarno | tcg_out_ld16u_r(s, COND_EQ, data_reg, addr_reg, TCG_REG_R1); |
1016 | 67dcab73 | Aurelien Jarno | if (bswap) {
|
1017 | 67dcab73 | Aurelien Jarno | tcg_out_bswap16(s, COND_EQ, data_reg, data_reg); |
1018 | 67dcab73 | Aurelien Jarno | } |
1019 | 811d4cf4 | balrog | break;
|
1020 | 811d4cf4 | balrog | case 1 | 4: |
1021 | 67dcab73 | Aurelien Jarno | if (bswap) {
|
1022 | 67dcab73 | Aurelien Jarno | tcg_out_ld16u_r(s, COND_EQ, data_reg, addr_reg, TCG_REG_R1); |
1023 | 67dcab73 | Aurelien Jarno | tcg_out_bswap16s(s, COND_EQ, data_reg, data_reg); |
1024 | 67dcab73 | Aurelien Jarno | } else {
|
1025 | 67dcab73 | Aurelien Jarno | tcg_out_ld16s_r(s, COND_EQ, data_reg, addr_reg, TCG_REG_R1); |
1026 | 67dcab73 | Aurelien Jarno | } |
1027 | 811d4cf4 | balrog | break;
|
1028 | 811d4cf4 | balrog | case 2: |
1029 | 811d4cf4 | balrog | default:
|
1030 | c8d80cef | Aurelien Jarno | tcg_out_ld32_r(s, COND_EQ, data_reg, addr_reg, TCG_REG_R1); |
1031 | 67dcab73 | Aurelien Jarno | if (bswap) {
|
1032 | 67dcab73 | Aurelien Jarno | tcg_out_bswap32(s, COND_EQ, data_reg, data_reg); |
1033 | 67dcab73 | Aurelien Jarno | } |
1034 | 811d4cf4 | balrog | break;
|
1035 | 811d4cf4 | balrog | case 3: |
1036 | 67dcab73 | Aurelien Jarno | if (bswap) {
|
1037 | 67dcab73 | Aurelien Jarno | tcg_out_ld32_rwb(s, COND_EQ, data_reg2, TCG_REG_R1, addr_reg); |
1038 | 67dcab73 | Aurelien Jarno | tcg_out_ld32_12(s, COND_EQ, data_reg, TCG_REG_R1, 4);
|
1039 | 67dcab73 | Aurelien Jarno | tcg_out_bswap32(s, COND_EQ, data_reg2, data_reg2); |
1040 | 67dcab73 | Aurelien Jarno | tcg_out_bswap32(s, COND_EQ, data_reg, data_reg); |
1041 | 67dcab73 | Aurelien Jarno | } else {
|
1042 | 67dcab73 | Aurelien Jarno | tcg_out_ld32_rwb(s, COND_EQ, data_reg, TCG_REG_R1, addr_reg); |
1043 | 67dcab73 | Aurelien Jarno | tcg_out_ld32_12(s, COND_EQ, data_reg2, TCG_REG_R1, 4);
|
1044 | 67dcab73 | Aurelien Jarno | } |
1045 | 811d4cf4 | balrog | break;
|
1046 | 811d4cf4 | balrog | } |
1047 | 811d4cf4 | balrog | |
1048 | 811d4cf4 | balrog | label_ptr = (void *) s->code_ptr;
|
1049 | c69806ab | Aurelien Jarno | tcg_out_b_noaddr(s, COND_EQ); |
1050 | 811d4cf4 | balrog | |
1051 | 811d4cf4 | balrog | /* TODO: move this code to where the constants pool will be */
|
1052 | c8d80cef | Aurelien Jarno | if (addr_reg != TCG_REG_R0) {
|
1053 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, |
1054 | c8d80cef | Aurelien Jarno | TCG_REG_R0, 0, addr_reg, SHIFT_IMM_LSL(0)); |
1055 | c8d80cef | Aurelien Jarno | } |
1056 | 811d4cf4 | balrog | # if TARGET_LONG_BITS == 32 |
1057 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_MOV, TCG_REG_R1, 0, mem_index);
|
1058 | 811d4cf4 | balrog | # else
|
1059 | 2633a2d0 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, |
1060 | 2633a2d0 | Aurelien Jarno | TCG_REG_R1, 0, addr_reg2, SHIFT_IMM_LSL(0)); |
1061 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_MOV, TCG_REG_R2, 0, mem_index);
|
1062 | 811d4cf4 | balrog | # endif
|
1063 | 7e0d9562 | Aurelien Jarno | tcg_out_bl(s, COND_AL, (tcg_target_long) qemu_ld_helpers[s_bits] - |
1064 | 811d4cf4 | balrog | (tcg_target_long) s->code_ptr); |
1065 | 811d4cf4 | balrog | |
1066 | 811d4cf4 | balrog | switch (opc) {
|
1067 | 811d4cf4 | balrog | case 0 | 4: |
1068 | e854b6d3 | Aurelien Jarno | tcg_out_ext8s(s, COND_AL, data_reg, TCG_REG_R0); |
1069 | 811d4cf4 | balrog | break;
|
1070 | 811d4cf4 | balrog | case 1 | 4: |
1071 | e854b6d3 | Aurelien Jarno | tcg_out_ext16s(s, COND_AL, data_reg, TCG_REG_R0); |
1072 | 811d4cf4 | balrog | break;
|
1073 | 811d4cf4 | balrog | case 0: |
1074 | 811d4cf4 | balrog | case 1: |
1075 | 811d4cf4 | balrog | case 2: |
1076 | 811d4cf4 | balrog | default:
|
1077 | c8d80cef | Aurelien Jarno | if (data_reg != TCG_REG_R0) {
|
1078 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, |
1079 | c8d80cef | Aurelien Jarno | data_reg, 0, TCG_REG_R0, SHIFT_IMM_LSL(0)); |
1080 | c8d80cef | Aurelien Jarno | } |
1081 | 811d4cf4 | balrog | break;
|
1082 | 811d4cf4 | balrog | case 3: |
1083 | c8d80cef | Aurelien Jarno | if (data_reg != TCG_REG_R0) {
|
1084 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, |
1085 | c8d80cef | Aurelien Jarno | data_reg, 0, TCG_REG_R0, SHIFT_IMM_LSL(0)); |
1086 | c8d80cef | Aurelien Jarno | } |
1087 | c8d80cef | Aurelien Jarno | if (data_reg2 != TCG_REG_R1) {
|
1088 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, |
1089 | c8d80cef | Aurelien Jarno | data_reg2, 0, TCG_REG_R1, SHIFT_IMM_LSL(0)); |
1090 | c8d80cef | Aurelien Jarno | } |
1091 | 811d4cf4 | balrog | break;
|
1092 | 811d4cf4 | balrog | } |
1093 | 811d4cf4 | balrog | |
1094 | c69806ab | Aurelien Jarno | reloc_pc24(label_ptr, (tcg_target_long)s->code_ptr); |
1095 | 379f6698 | Paul Brook | #else /* !CONFIG_SOFTMMU */ |
1096 | 379f6698 | Paul Brook | if (GUEST_BASE) {
|
1097 | 379f6698 | Paul Brook | uint32_t offset = GUEST_BASE; |
1098 | 379f6698 | Paul Brook | int i;
|
1099 | 379f6698 | Paul Brook | int rot;
|
1100 | 379f6698 | Paul Brook | |
1101 | 379f6698 | Paul Brook | while (offset) {
|
1102 | 379f6698 | Paul Brook | i = ctz32(offset) & ~1;
|
1103 | 379f6698 | Paul Brook | rot = ((32 - i) << 7) & 0xf00; |
1104 | 379f6698 | Paul Brook | |
1105 | c8d80cef | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_ADD, TCG_REG_R8, addr_reg, |
1106 | 379f6698 | Paul Brook | ((offset >> i) & 0xff) | rot);
|
1107 | c8d80cef | Aurelien Jarno | addr_reg = TCG_REG_R8; |
1108 | 379f6698 | Paul Brook | offset &= ~(0xff << i);
|
1109 | 379f6698 | Paul Brook | } |
1110 | 379f6698 | Paul Brook | } |
1111 | 811d4cf4 | balrog | switch (opc) {
|
1112 | 811d4cf4 | balrog | case 0: |
1113 | 811d4cf4 | balrog | tcg_out_ld8_12(s, COND_AL, data_reg, addr_reg, 0);
|
1114 | 811d4cf4 | balrog | break;
|
1115 | 811d4cf4 | balrog | case 0 | 4: |
1116 | 811d4cf4 | balrog | tcg_out_ld8s_8(s, COND_AL, data_reg, addr_reg, 0);
|
1117 | 811d4cf4 | balrog | break;
|
1118 | 811d4cf4 | balrog | case 1: |
1119 | 811d4cf4 | balrog | tcg_out_ld16u_8(s, COND_AL, data_reg, addr_reg, 0);
|
1120 | 67dcab73 | Aurelien Jarno | if (bswap) {
|
1121 | 67dcab73 | Aurelien Jarno | tcg_out_bswap16(s, COND_AL, data_reg, data_reg); |
1122 | 67dcab73 | Aurelien Jarno | } |
1123 | 811d4cf4 | balrog | break;
|
1124 | 811d4cf4 | balrog | case 1 | 4: |
1125 | 67dcab73 | Aurelien Jarno | if (bswap) {
|
1126 | 67dcab73 | Aurelien Jarno | tcg_out_ld16u_8(s, COND_AL, data_reg, addr_reg, 0);
|
1127 | 67dcab73 | Aurelien Jarno | tcg_out_bswap16s(s, COND_AL, data_reg, data_reg); |
1128 | 67dcab73 | Aurelien Jarno | } else {
|
1129 | 67dcab73 | Aurelien Jarno | tcg_out_ld16s_8(s, COND_AL, data_reg, addr_reg, 0);
|
1130 | 67dcab73 | Aurelien Jarno | } |
1131 | 811d4cf4 | balrog | break;
|
1132 | 811d4cf4 | balrog | case 2: |
1133 | 811d4cf4 | balrog | default:
|
1134 | 811d4cf4 | balrog | tcg_out_ld32_12(s, COND_AL, data_reg, addr_reg, 0);
|
1135 | 67dcab73 | Aurelien Jarno | if (bswap) {
|
1136 | 67dcab73 | Aurelien Jarno | tcg_out_bswap32(s, COND_AL, data_reg, data_reg); |
1137 | 67dcab73 | Aurelien Jarno | } |
1138 | 811d4cf4 | balrog | break;
|
1139 | 811d4cf4 | balrog | case 3: |
1140 | eae6ce52 | balrog | /* TODO: use block load -
|
1141 | eae6ce52 | balrog | * check that data_reg2 > data_reg or the other way */
|
1142 | 419bafa5 | aurel32 | if (data_reg == addr_reg) {
|
1143 | 67dcab73 | Aurelien Jarno | tcg_out_ld32_12(s, COND_AL, data_reg2, addr_reg, bswap ? 0 : 4); |
1144 | 67dcab73 | Aurelien Jarno | tcg_out_ld32_12(s, COND_AL, data_reg, addr_reg, bswap ? 4 : 0); |
1145 | 419bafa5 | aurel32 | } else {
|
1146 | 67dcab73 | Aurelien Jarno | tcg_out_ld32_12(s, COND_AL, data_reg, addr_reg, bswap ? 4 : 0); |
1147 | 67dcab73 | Aurelien Jarno | tcg_out_ld32_12(s, COND_AL, data_reg2, addr_reg, bswap ? 0 : 4); |
1148 | 67dcab73 | Aurelien Jarno | } |
1149 | 67dcab73 | Aurelien Jarno | if (bswap) {
|
1150 | 67dcab73 | Aurelien Jarno | tcg_out_bswap32(s, COND_AL, data_reg, data_reg); |
1151 | 67dcab73 | Aurelien Jarno | tcg_out_bswap32(s, COND_AL, data_reg2, data_reg2); |
1152 | 419bafa5 | aurel32 | } |
1153 | 811d4cf4 | balrog | break;
|
1154 | 811d4cf4 | balrog | } |
1155 | 811d4cf4 | balrog | #endif
|
1156 | 811d4cf4 | balrog | } |
1157 | 811d4cf4 | balrog | |
1158 | 7e0d9562 | Aurelien Jarno | static inline void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc) |
1159 | 811d4cf4 | balrog | { |
1160 | 67dcab73 | Aurelien Jarno | int addr_reg, data_reg, data_reg2, bswap;
|
1161 | 811d4cf4 | balrog | #ifdef CONFIG_SOFTMMU
|
1162 | 811d4cf4 | balrog | int mem_index, s_bits;
|
1163 | 811d4cf4 | balrog | # if TARGET_LONG_BITS == 64 |
1164 | 811d4cf4 | balrog | int addr_reg2;
|
1165 | 811d4cf4 | balrog | # endif
|
1166 | 811d4cf4 | balrog | uint32_t *label_ptr; |
1167 | 811d4cf4 | balrog | #endif
|
1168 | 811d4cf4 | balrog | |
1169 | 67dcab73 | Aurelien Jarno | #ifdef TARGET_WORDS_BIGENDIAN
|
1170 | 67dcab73 | Aurelien Jarno | bswap = 1;
|
1171 | 67dcab73 | Aurelien Jarno | #else
|
1172 | 67dcab73 | Aurelien Jarno | bswap = 0;
|
1173 | 67dcab73 | Aurelien Jarno | #endif
|
1174 | 811d4cf4 | balrog | data_reg = *args++; |
1175 | 811d4cf4 | balrog | if (opc == 3) |
1176 | 811d4cf4 | balrog | data_reg2 = *args++; |
1177 | 811d4cf4 | balrog | else
|
1178 | d89c682f | Stefan Weil | data_reg2 = 0; /* suppress warning */ |
1179 | 811d4cf4 | balrog | addr_reg = *args++; |
1180 | 811d4cf4 | balrog | #ifdef CONFIG_SOFTMMU
|
1181 | aef3a282 | balrog | # if TARGET_LONG_BITS == 64 |
1182 | aef3a282 | balrog | addr_reg2 = *args++; |
1183 | aef3a282 | balrog | # endif
|
1184 | 811d4cf4 | balrog | mem_index = *args; |
1185 | 811d4cf4 | balrog | s_bits = opc & 3;
|
1186 | 811d4cf4 | balrog | |
1187 | 91a3c1b0 | balrog | /* Should generate something like the following:
|
1188 | 3979144c | pbrook | * shr r8, addr_reg, #TARGET_PAGE_BITS
|
1189 | 91a3c1b0 | balrog | * and r0, r8, #(CPU_TLB_SIZE - 1) @ Assumption: CPU_TLB_BITS <= 8
|
1190 | 3979144c | pbrook | * add r0, env, r0 lsl #CPU_TLB_ENTRY_BITS
|
1191 | 91a3c1b0 | balrog | */
|
1192 | 811d4cf4 | balrog | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, |
1193 | c8d80cef | Aurelien Jarno | TCG_REG_R8, 0, addr_reg, SHIFT_IMM_LSR(TARGET_PAGE_BITS));
|
1194 | 811d4cf4 | balrog | tcg_out_dat_imm(s, COND_AL, ARITH_AND, |
1195 | c8d80cef | Aurelien Jarno | TCG_REG_R0, TCG_REG_R8, CPU_TLB_SIZE - 1);
|
1196 | c8d80cef | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_ADD, TCG_REG_R0, |
1197 | c8d80cef | Aurelien Jarno | TCG_AREG0, TCG_REG_R0, SHIFT_IMM_LSL(CPU_TLB_ENTRY_BITS)); |
1198 | 91a3c1b0 | balrog | /* In the
|
1199 | 91a3c1b0 | balrog | * ldr r1 [r0, #(offsetof(CPUState, tlb_table[mem_index][0].addr_write))]
|
1200 | 91a3c1b0 | balrog | * below, the offset is likely to exceed 12 bits if mem_index != 0 and
|
1201 | 91a3c1b0 | balrog | * not exceed otherwise, so use an
|
1202 | 91a3c1b0 | balrog | * add r0, r0, #(mem_index * sizeof *CPUState.tlb_table)
|
1203 | 91a3c1b0 | balrog | * before.
|
1204 | 91a3c1b0 | balrog | */
|
1205 | 225b4376 | balrog | if (mem_index)
|
1206 | c8d80cef | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_ADD, TCG_REG_R0, TCG_REG_R0, |
1207 | 225b4376 | balrog | (mem_index << (TLB_SHIFT & 1)) |
|
1208 | 225b4376 | balrog | ((16 - (TLB_SHIFT >> 1)) << 8)); |
1209 | c8d80cef | Aurelien Jarno | tcg_out_ld32_12(s, COND_AL, TCG_REG_R1, TCG_REG_R0, |
1210 | 225b4376 | balrog | offsetof(CPUState, tlb_table[0][0].addr_write)); |
1211 | c8d80cef | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_CMP, 0, TCG_REG_R1,
|
1212 | c8d80cef | Aurelien Jarno | TCG_REG_R8, SHIFT_IMM_LSL(TARGET_PAGE_BITS)); |
1213 | 3979144c | pbrook | /* Check alignment. */
|
1214 | 3979144c | pbrook | if (s_bits)
|
1215 | 3979144c | pbrook | tcg_out_dat_imm(s, COND_EQ, ARITH_TST, |
1216 | 3979144c | pbrook | 0, addr_reg, (1 << s_bits) - 1); |
1217 | 811d4cf4 | balrog | # if TARGET_LONG_BITS == 64 |
1218 | 811d4cf4 | balrog | /* XXX: possibly we could use a block data load or writeback in
|
1219 | 811d4cf4 | balrog | * the first access. */
|
1220 | c8d80cef | Aurelien Jarno | tcg_out_ld32_12(s, COND_EQ, TCG_REG_R1, TCG_REG_R0, |
1221 | c8d80cef | Aurelien Jarno | offsetof(CPUState, tlb_table[0][0].addr_write) + 4); |
1222 | c8d80cef | Aurelien Jarno | tcg_out_dat_reg(s, COND_EQ, ARITH_CMP, 0,
|
1223 | c8d80cef | Aurelien Jarno | TCG_REG_R1, addr_reg2, SHIFT_IMM_LSL(0));
|
1224 | 811d4cf4 | balrog | # endif
|
1225 | c8d80cef | Aurelien Jarno | tcg_out_ld32_12(s, COND_EQ, TCG_REG_R1, TCG_REG_R0, |
1226 | 225b4376 | balrog | offsetof(CPUState, tlb_table[0][0].addend)); |
1227 | 811d4cf4 | balrog | |
1228 | 811d4cf4 | balrog | switch (opc) {
|
1229 | 811d4cf4 | balrog | case 0: |
1230 | c8d80cef | Aurelien Jarno | tcg_out_st8_r(s, COND_EQ, data_reg, addr_reg, TCG_REG_R1); |
1231 | 811d4cf4 | balrog | break;
|
1232 | 811d4cf4 | balrog | case 1: |
1233 | 67dcab73 | Aurelien Jarno | if (bswap) {
|
1234 | 67dcab73 | Aurelien Jarno | tcg_out_bswap16(s, COND_EQ, TCG_REG_R0, data_reg); |
1235 | 67dcab73 | Aurelien Jarno | tcg_out_st16_r(s, COND_EQ, TCG_REG_R0, addr_reg, TCG_REG_R1); |
1236 | 67dcab73 | Aurelien Jarno | } else {
|
1237 | 67dcab73 | Aurelien Jarno | tcg_out_st16_r(s, COND_EQ, data_reg, addr_reg, TCG_REG_R1); |
1238 | 67dcab73 | Aurelien Jarno | } |
1239 | 811d4cf4 | balrog | break;
|
1240 | 811d4cf4 | balrog | case 2: |
1241 | 811d4cf4 | balrog | default:
|
1242 | 67dcab73 | Aurelien Jarno | if (bswap) {
|
1243 | 67dcab73 | Aurelien Jarno | tcg_out_bswap32(s, COND_EQ, TCG_REG_R0, data_reg); |
1244 | 67dcab73 | Aurelien Jarno | tcg_out_st32_r(s, COND_EQ, TCG_REG_R0, addr_reg, TCG_REG_R1); |
1245 | 67dcab73 | Aurelien Jarno | } else {
|
1246 | 67dcab73 | Aurelien Jarno | tcg_out_st32_r(s, COND_EQ, data_reg, addr_reg, TCG_REG_R1); |
1247 | 67dcab73 | Aurelien Jarno | } |
1248 | 811d4cf4 | balrog | break;
|
1249 | 811d4cf4 | balrog | case 3: |
1250 | 67dcab73 | Aurelien Jarno | if (bswap) {
|
1251 | 67dcab73 | Aurelien Jarno | tcg_out_bswap32(s, COND_EQ, TCG_REG_R0, data_reg2); |
1252 | 67dcab73 | Aurelien Jarno | tcg_out_st32_rwb(s, COND_EQ, TCG_REG_R0, TCG_REG_R1, addr_reg); |
1253 | 67dcab73 | Aurelien Jarno | tcg_out_bswap32(s, COND_EQ, TCG_REG_R0, data_reg); |
1254 | 9a3abc21 | Aurelien Jarno | tcg_out_st32_12(s, COND_EQ, TCG_REG_R0, TCG_REG_R1, 4);
|
1255 | 67dcab73 | Aurelien Jarno | } else {
|
1256 | 67dcab73 | Aurelien Jarno | tcg_out_st32_rwb(s, COND_EQ, data_reg, TCG_REG_R1, addr_reg); |
1257 | 67dcab73 | Aurelien Jarno | tcg_out_st32_12(s, COND_EQ, data_reg2, TCG_REG_R1, 4);
|
1258 | 67dcab73 | Aurelien Jarno | } |
1259 | 811d4cf4 | balrog | break;
|
1260 | 811d4cf4 | balrog | } |
1261 | 811d4cf4 | balrog | |
1262 | 811d4cf4 | balrog | label_ptr = (void *) s->code_ptr;
|
1263 | c69806ab | Aurelien Jarno | tcg_out_b_noaddr(s, COND_EQ); |
1264 | 811d4cf4 | balrog | |
1265 | 811d4cf4 | balrog | /* TODO: move this code to where the constants pool will be */
|
1266 | 2633a2d0 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, |
1267 | 2633a2d0 | Aurelien Jarno | TCG_REG_R0, 0, addr_reg, SHIFT_IMM_LSL(0)); |
1268 | 811d4cf4 | balrog | # if TARGET_LONG_BITS == 32 |
1269 | 811d4cf4 | balrog | switch (opc) {
|
1270 | 811d4cf4 | balrog | case 0: |
1271 | e854b6d3 | Aurelien Jarno | tcg_out_ext8u(s, COND_AL, TCG_REG_R1, data_reg); |
1272 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_MOV, TCG_REG_R2, 0, mem_index);
|
1273 | 811d4cf4 | balrog | break;
|
1274 | 811d4cf4 | balrog | case 1: |
1275 | e854b6d3 | Aurelien Jarno | tcg_out_ext16u(s, COND_AL, TCG_REG_R1, data_reg); |
1276 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_MOV, TCG_REG_R2, 0, mem_index);
|
1277 | 811d4cf4 | balrog | break;
|
1278 | 811d4cf4 | balrog | case 2: |
1279 | 2633a2d0 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, |
1280 | 2633a2d0 | Aurelien Jarno | TCG_REG_R1, 0, data_reg, SHIFT_IMM_LSL(0)); |
1281 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_MOV, TCG_REG_R2, 0, mem_index);
|
1282 | 811d4cf4 | balrog | break;
|
1283 | 811d4cf4 | balrog | case 3: |
1284 | bf5675ef | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_MOV, TCG_REG_R8, 0, mem_index);
|
1285 | bf5675ef | Aurelien Jarno | tcg_out32(s, (COND_AL << 28) | 0x052d8010); /* str r8, [sp, #-0x10]! */ |
1286 | bf5675ef | Aurelien Jarno | if (data_reg != TCG_REG_R2) {
|
1287 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, |
1288 | bf5675ef | Aurelien Jarno | TCG_REG_R2, 0, data_reg, SHIFT_IMM_LSL(0)); |
1289 | bf5675ef | Aurelien Jarno | } |
1290 | bf5675ef | Aurelien Jarno | if (data_reg2 != TCG_REG_R3) {
|
1291 | bf5675ef | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, |
1292 | bf5675ef | Aurelien Jarno | TCG_REG_R3, 0, data_reg2, SHIFT_IMM_LSL(0)); |
1293 | c8d80cef | Aurelien Jarno | } |
1294 | 811d4cf4 | balrog | break;
|
1295 | 811d4cf4 | balrog | } |
1296 | 811d4cf4 | balrog | # else
|
1297 | 2633a2d0 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, |
1298 | 2633a2d0 | Aurelien Jarno | TCG_REG_R1, 0, addr_reg2, SHIFT_IMM_LSL(0)); |
1299 | 811d4cf4 | balrog | switch (opc) {
|
1300 | 811d4cf4 | balrog | case 0: |
1301 | e854b6d3 | Aurelien Jarno | tcg_out_ext8u(s, COND_AL, TCG_REG_R2, data_reg); |
1302 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_MOV, TCG_REG_R3, 0, mem_index);
|
1303 | 811d4cf4 | balrog | break;
|
1304 | 811d4cf4 | balrog | case 1: |
1305 | e854b6d3 | Aurelien Jarno | tcg_out_ext16u(s, COND_AL, TCG_REG_R2, data_reg); |
1306 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_MOV, TCG_REG_R3, 0, mem_index);
|
1307 | 811d4cf4 | balrog | break;
|
1308 | 811d4cf4 | balrog | case 2: |
1309 | c8d80cef | Aurelien Jarno | if (data_reg != TCG_REG_R2) {
|
1310 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, |
1311 | c8d80cef | Aurelien Jarno | TCG_REG_R2, 0, data_reg, SHIFT_IMM_LSL(0)); |
1312 | c8d80cef | Aurelien Jarno | } |
1313 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_MOV, TCG_REG_R3, 0, mem_index);
|
1314 | 811d4cf4 | balrog | break;
|
1315 | 811d4cf4 | balrog | case 3: |
1316 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_MOV, TCG_REG_R8, 0, mem_index);
|
1317 | 7e0d9562 | Aurelien Jarno | tcg_out32(s, (COND_AL << 28) | 0x052d8010); /* str r8, [sp, #-0x10]! */ |
1318 | c8d80cef | Aurelien Jarno | if (data_reg != TCG_REG_R2) {
|
1319 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, |
1320 | c8d80cef | Aurelien Jarno | TCG_REG_R2, 0, data_reg, SHIFT_IMM_LSL(0)); |
1321 | c8d80cef | Aurelien Jarno | } |
1322 | c8d80cef | Aurelien Jarno | if (data_reg2 != TCG_REG_R3) {
|
1323 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, |
1324 | c8d80cef | Aurelien Jarno | TCG_REG_R3, 0, data_reg2, SHIFT_IMM_LSL(0)); |
1325 | c8d80cef | Aurelien Jarno | } |
1326 | 811d4cf4 | balrog | break;
|
1327 | 811d4cf4 | balrog | } |
1328 | 811d4cf4 | balrog | # endif
|
1329 | 811d4cf4 | balrog | |
1330 | 7e0d9562 | Aurelien Jarno | tcg_out_bl(s, COND_AL, (tcg_target_long) qemu_st_helpers[s_bits] - |
1331 | 811d4cf4 | balrog | (tcg_target_long) s->code_ptr); |
1332 | 811d4cf4 | balrog | if (opc == 3) |
1333 | 7e0d9562 | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_ADD, TCG_REG_R13, TCG_REG_R13, 0x10);
|
1334 | 811d4cf4 | balrog | |
1335 | c69806ab | Aurelien Jarno | reloc_pc24(label_ptr, (tcg_target_long)s->code_ptr); |
1336 | 379f6698 | Paul Brook | #else /* !CONFIG_SOFTMMU */ |
1337 | 379f6698 | Paul Brook | if (GUEST_BASE) {
|
1338 | 379f6698 | Paul Brook | uint32_t offset = GUEST_BASE; |
1339 | 379f6698 | Paul Brook | int i;
|
1340 | 379f6698 | Paul Brook | int rot;
|
1341 | 379f6698 | Paul Brook | |
1342 | 379f6698 | Paul Brook | while (offset) {
|
1343 | 379f6698 | Paul Brook | i = ctz32(offset) & ~1;
|
1344 | 379f6698 | Paul Brook | rot = ((32 - i) << 7) & 0xf00; |
1345 | 379f6698 | Paul Brook | |
1346 | 67dcab73 | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_ADD, TCG_REG_R1, addr_reg, |
1347 | 379f6698 | Paul Brook | ((offset >> i) & 0xff) | rot);
|
1348 | 67dcab73 | Aurelien Jarno | addr_reg = TCG_REG_R1; |
1349 | 379f6698 | Paul Brook | offset &= ~(0xff << i);
|
1350 | 379f6698 | Paul Brook | } |
1351 | 379f6698 | Paul Brook | } |
1352 | 811d4cf4 | balrog | switch (opc) {
|
1353 | 811d4cf4 | balrog | case 0: |
1354 | 811d4cf4 | balrog | tcg_out_st8_12(s, COND_AL, data_reg, addr_reg, 0);
|
1355 | 811d4cf4 | balrog | break;
|
1356 | 811d4cf4 | balrog | case 1: |
1357 | 67dcab73 | Aurelien Jarno | if (bswap) {
|
1358 | 67dcab73 | Aurelien Jarno | tcg_out_bswap16(s, COND_AL, TCG_REG_R0, data_reg); |
1359 | 67dcab73 | Aurelien Jarno | tcg_out_st16_8(s, COND_AL, TCG_REG_R0, addr_reg, 0);
|
1360 | 67dcab73 | Aurelien Jarno | } else {
|
1361 | 67dcab73 | Aurelien Jarno | tcg_out_st16_8(s, COND_AL, data_reg, addr_reg, 0);
|
1362 | 67dcab73 | Aurelien Jarno | } |
1363 | 811d4cf4 | balrog | break;
|
1364 | 811d4cf4 | balrog | case 2: |
1365 | 811d4cf4 | balrog | default:
|
1366 | 67dcab73 | Aurelien Jarno | if (bswap) {
|
1367 | 67dcab73 | Aurelien Jarno | tcg_out_bswap32(s, COND_AL, TCG_REG_R0, data_reg); |
1368 | 67dcab73 | Aurelien Jarno | tcg_out_st32_12(s, COND_AL, TCG_REG_R0, addr_reg, 0);
|
1369 | 67dcab73 | Aurelien Jarno | } else {
|
1370 | 67dcab73 | Aurelien Jarno | tcg_out_st32_12(s, COND_AL, data_reg, addr_reg, 0);
|
1371 | 67dcab73 | Aurelien Jarno | } |
1372 | 811d4cf4 | balrog | break;
|
1373 | 811d4cf4 | balrog | case 3: |
1374 | eae6ce52 | balrog | /* TODO: use block store -
|
1375 | eae6ce52 | balrog | * check that data_reg2 > data_reg or the other way */
|
1376 | 67dcab73 | Aurelien Jarno | if (bswap) {
|
1377 | 67dcab73 | Aurelien Jarno | tcg_out_bswap32(s, COND_AL, TCG_REG_R0, data_reg2); |
1378 | 67dcab73 | Aurelien Jarno | tcg_out_st32_12(s, COND_AL, TCG_REG_R0, addr_reg, 0);
|
1379 | 67dcab73 | Aurelien Jarno | tcg_out_bswap32(s, COND_AL, TCG_REG_R0, data_reg); |
1380 | 67dcab73 | Aurelien Jarno | tcg_out_st32_12(s, COND_AL, TCG_REG_R0, addr_reg, 4);
|
1381 | 67dcab73 | Aurelien Jarno | } else {
|
1382 | 67dcab73 | Aurelien Jarno | tcg_out_st32_12(s, COND_AL, data_reg, addr_reg, 0);
|
1383 | 67dcab73 | Aurelien Jarno | tcg_out_st32_12(s, COND_AL, data_reg2, addr_reg, 4);
|
1384 | 67dcab73 | Aurelien Jarno | } |
1385 | 811d4cf4 | balrog | break;
|
1386 | 811d4cf4 | balrog | } |
1387 | 811d4cf4 | balrog | #endif
|
1388 | 811d4cf4 | balrog | } |
1389 | 811d4cf4 | balrog | |
1390 | 811d4cf4 | balrog | static uint8_t *tb_ret_addr;
|
1391 | 811d4cf4 | balrog | |
1392 | a9751609 | Richard Henderson | static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, |
1393 | 811d4cf4 | balrog | const TCGArg *args, const int *const_args) |
1394 | 811d4cf4 | balrog | { |
1395 | 811d4cf4 | balrog | int c;
|
1396 | 811d4cf4 | balrog | |
1397 | 811d4cf4 | balrog | switch (opc) {
|
1398 | 811d4cf4 | balrog | case INDEX_op_exit_tb:
|
1399 | fe33867b | balrog | { |
1400 | fe33867b | balrog | uint8_t *ld_ptr = s->code_ptr; |
1401 | fe33867b | balrog | if (args[0] >> 8) |
1402 | c8d80cef | Aurelien Jarno | tcg_out_ld32_12(s, COND_AL, TCG_REG_R0, TCG_REG_PC, 0);
|
1403 | fe33867b | balrog | else
|
1404 | c8d80cef | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_MOV, TCG_REG_R0, 0, args[0]); |
1405 | fe33867b | balrog | tcg_out_goto(s, COND_AL, (tcg_target_ulong) tb_ret_addr); |
1406 | fe33867b | balrog | if (args[0] >> 8) { |
1407 | fe33867b | balrog | *ld_ptr = (uint8_t) (s->code_ptr - ld_ptr) - 8;
|
1408 | fe33867b | balrog | tcg_out32(s, args[0]);
|
1409 | fe33867b | balrog | } |
1410 | fe33867b | balrog | } |
1411 | 811d4cf4 | balrog | break;
|
1412 | 811d4cf4 | balrog | case INDEX_op_goto_tb:
|
1413 | 811d4cf4 | balrog | if (s->tb_jmp_offset) {
|
1414 | 811d4cf4 | balrog | /* Direct jump method */
|
1415 | fe33867b | balrog | #if defined(USE_DIRECT_JUMP)
|
1416 | 811d4cf4 | balrog | s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf;
|
1417 | c69806ab | Aurelien Jarno | tcg_out_b_noaddr(s, COND_AL); |
1418 | 811d4cf4 | balrog | #else
|
1419 | c8d80cef | Aurelien Jarno | tcg_out_ld32_12(s, COND_AL, TCG_REG_PC, TCG_REG_PC, -4);
|
1420 | 811d4cf4 | balrog | s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf;
|
1421 | 811d4cf4 | balrog | tcg_out32(s, 0);
|
1422 | 811d4cf4 | balrog | #endif
|
1423 | 811d4cf4 | balrog | } else {
|
1424 | 811d4cf4 | balrog | /* Indirect jump method */
|
1425 | 811d4cf4 | balrog | #if 1 |
1426 | 811d4cf4 | balrog | c = (int) (s->tb_next + args[0]) - ((int) s->code_ptr + 8); |
1427 | 811d4cf4 | balrog | if (c > 0xfff || c < -0xfff) { |
1428 | 811d4cf4 | balrog | tcg_out_movi32(s, COND_AL, TCG_REG_R0, |
1429 | 811d4cf4 | balrog | (tcg_target_long) (s->tb_next + args[0]));
|
1430 | c8d80cef | Aurelien Jarno | tcg_out_ld32_12(s, COND_AL, TCG_REG_PC, TCG_REG_R0, 0);
|
1431 | 811d4cf4 | balrog | } else
|
1432 | c8d80cef | Aurelien Jarno | tcg_out_ld32_12(s, COND_AL, TCG_REG_PC, TCG_REG_PC, c); |
1433 | 811d4cf4 | balrog | #else
|
1434 | c8d80cef | Aurelien Jarno | tcg_out_ld32_12(s, COND_AL, TCG_REG_R0, TCG_REG_PC, 0);
|
1435 | c8d80cef | Aurelien Jarno | tcg_out_ld32_12(s, COND_AL, TCG_REG_PC, TCG_REG_R0, 0);
|
1436 | 811d4cf4 | balrog | tcg_out32(s, (tcg_target_long) (s->tb_next + args[0]));
|
1437 | 811d4cf4 | balrog | #endif
|
1438 | 811d4cf4 | balrog | } |
1439 | 811d4cf4 | balrog | s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf;
|
1440 | 811d4cf4 | balrog | break;
|
1441 | 811d4cf4 | balrog | case INDEX_op_call:
|
1442 | 811d4cf4 | balrog | if (const_args[0]) |
1443 | 811d4cf4 | balrog | tcg_out_call(s, COND_AL, args[0]);
|
1444 | 811d4cf4 | balrog | else
|
1445 | 811d4cf4 | balrog | tcg_out_callr(s, COND_AL, args[0]);
|
1446 | 811d4cf4 | balrog | break;
|
1447 | 811d4cf4 | balrog | case INDEX_op_jmp:
|
1448 | 811d4cf4 | balrog | if (const_args[0]) |
1449 | 811d4cf4 | balrog | tcg_out_goto(s, COND_AL, args[0]);
|
1450 | 811d4cf4 | balrog | else
|
1451 | 811d4cf4 | balrog | tcg_out_bx(s, COND_AL, args[0]);
|
1452 | 811d4cf4 | balrog | break;
|
1453 | 811d4cf4 | balrog | case INDEX_op_br:
|
1454 | 811d4cf4 | balrog | tcg_out_goto_label(s, COND_AL, args[0]);
|
1455 | 811d4cf4 | balrog | break;
|
1456 | 811d4cf4 | balrog | |
1457 | 811d4cf4 | balrog | case INDEX_op_ld8u_i32:
|
1458 | 811d4cf4 | balrog | tcg_out_ld8u(s, COND_AL, args[0], args[1], args[2]); |
1459 | 811d4cf4 | balrog | break;
|
1460 | 811d4cf4 | balrog | case INDEX_op_ld8s_i32:
|
1461 | 811d4cf4 | balrog | tcg_out_ld8s(s, COND_AL, args[0], args[1], args[2]); |
1462 | 811d4cf4 | balrog | break;
|
1463 | 811d4cf4 | balrog | case INDEX_op_ld16u_i32:
|
1464 | 811d4cf4 | balrog | tcg_out_ld16u(s, COND_AL, args[0], args[1], args[2]); |
1465 | 811d4cf4 | balrog | break;
|
1466 | 811d4cf4 | balrog | case INDEX_op_ld16s_i32:
|
1467 | 811d4cf4 | balrog | tcg_out_ld16s(s, COND_AL, args[0], args[1], args[2]); |
1468 | 811d4cf4 | balrog | break;
|
1469 | 811d4cf4 | balrog | case INDEX_op_ld_i32:
|
1470 | 811d4cf4 | balrog | tcg_out_ld32u(s, COND_AL, args[0], args[1], args[2]); |
1471 | 811d4cf4 | balrog | break;
|
1472 | 811d4cf4 | balrog | case INDEX_op_st8_i32:
|
1473 | f694a27e | Aurelien Jarno | tcg_out_st8(s, COND_AL, args[0], args[1], args[2]); |
1474 | 811d4cf4 | balrog | break;
|
1475 | 811d4cf4 | balrog | case INDEX_op_st16_i32:
|
1476 | f694a27e | Aurelien Jarno | tcg_out_st16(s, COND_AL, args[0], args[1], args[2]); |
1477 | 811d4cf4 | balrog | break;
|
1478 | 811d4cf4 | balrog | case INDEX_op_st_i32:
|
1479 | 811d4cf4 | balrog | tcg_out_st32(s, COND_AL, args[0], args[1], args[2]); |
1480 | 811d4cf4 | balrog | break;
|
1481 | 811d4cf4 | balrog | |
1482 | 811d4cf4 | balrog | case INDEX_op_mov_i32:
|
1483 | 811d4cf4 | balrog | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, |
1484 | 811d4cf4 | balrog | args[0], 0, args[1], SHIFT_IMM_LSL(0)); |
1485 | 811d4cf4 | balrog | break;
|
1486 | 811d4cf4 | balrog | case INDEX_op_movi_i32:
|
1487 | 811d4cf4 | balrog | tcg_out_movi32(s, COND_AL, args[0], args[1]); |
1488 | 811d4cf4 | balrog | break;
|
1489 | 811d4cf4 | balrog | case INDEX_op_add_i32:
|
1490 | 811d4cf4 | balrog | c = ARITH_ADD; |
1491 | 811d4cf4 | balrog | goto gen_arith;
|
1492 | 811d4cf4 | balrog | case INDEX_op_sub_i32:
|
1493 | 811d4cf4 | balrog | c = ARITH_SUB; |
1494 | 811d4cf4 | balrog | goto gen_arith;
|
1495 | 811d4cf4 | balrog | case INDEX_op_and_i32:
|
1496 | 811d4cf4 | balrog | c = ARITH_AND; |
1497 | 811d4cf4 | balrog | goto gen_arith;
|
1498 | 932234f6 | Aurelien Jarno | case INDEX_op_andc_i32:
|
1499 | 932234f6 | Aurelien Jarno | c = ARITH_BIC; |
1500 | 932234f6 | Aurelien Jarno | goto gen_arith;
|
1501 | 811d4cf4 | balrog | case INDEX_op_or_i32:
|
1502 | 811d4cf4 | balrog | c = ARITH_ORR; |
1503 | 811d4cf4 | balrog | goto gen_arith;
|
1504 | 811d4cf4 | balrog | case INDEX_op_xor_i32:
|
1505 | 811d4cf4 | balrog | c = ARITH_EOR; |
1506 | 811d4cf4 | balrog | /* Fall through. */
|
1507 | 811d4cf4 | balrog | gen_arith:
|
1508 | 94953e6d | Laurent Desnogues | if (const_args[2]) { |
1509 | 94953e6d | Laurent Desnogues | int rot;
|
1510 | 94953e6d | Laurent Desnogues | rot = encode_imm(args[2]);
|
1511 | cb4e581f | Laurent Desnogues | tcg_out_dat_imm(s, COND_AL, c, |
1512 | 94953e6d | Laurent Desnogues | args[0], args[1], rotl(args[2], rot) | (rot << 7)); |
1513 | 94953e6d | Laurent Desnogues | } else
|
1514 | cb4e581f | Laurent Desnogues | tcg_out_dat_reg(s, COND_AL, c, |
1515 | cb4e581f | Laurent Desnogues | args[0], args[1], args[2], SHIFT_IMM_LSL(0)); |
1516 | 811d4cf4 | balrog | break;
|
1517 | 811d4cf4 | balrog | case INDEX_op_add2_i32:
|
1518 | 811d4cf4 | balrog | tcg_out_dat_reg2(s, COND_AL, ARITH_ADD, ARITH_ADC, |
1519 | 811d4cf4 | balrog | args[0], args[1], args[2], args[3], |
1520 | 811d4cf4 | balrog | args[4], args[5], SHIFT_IMM_LSL(0)); |
1521 | 811d4cf4 | balrog | break;
|
1522 | 811d4cf4 | balrog | case INDEX_op_sub2_i32:
|
1523 | 811d4cf4 | balrog | tcg_out_dat_reg2(s, COND_AL, ARITH_SUB, ARITH_SBC, |
1524 | 811d4cf4 | balrog | args[0], args[1], args[2], args[3], |
1525 | 811d4cf4 | balrog | args[4], args[5], SHIFT_IMM_LSL(0)); |
1526 | 811d4cf4 | balrog | break;
|
1527 | 650bbb36 | balrog | case INDEX_op_neg_i32:
|
1528 | 650bbb36 | balrog | tcg_out_dat_imm(s, COND_AL, ARITH_RSB, args[0], args[1], 0); |
1529 | 650bbb36 | balrog | break;
|
1530 | f878d2d2 | Laurent Desnogues | case INDEX_op_not_i32:
|
1531 | f878d2d2 | Laurent Desnogues | tcg_out_dat_reg(s, COND_AL, |
1532 | f878d2d2 | Laurent Desnogues | ARITH_MVN, args[0], 0, args[1], SHIFT_IMM_LSL(0)); |
1533 | f878d2d2 | Laurent Desnogues | break;
|
1534 | 811d4cf4 | balrog | case INDEX_op_mul_i32:
|
1535 | 811d4cf4 | balrog | tcg_out_mul32(s, COND_AL, args[0], args[1], args[2]); |
1536 | 811d4cf4 | balrog | break;
|
1537 | 811d4cf4 | balrog | case INDEX_op_mulu2_i32:
|
1538 | 811d4cf4 | balrog | tcg_out_umull32(s, COND_AL, args[0], args[1], args[2], args[3]); |
1539 | 811d4cf4 | balrog | break;
|
1540 | 811d4cf4 | balrog | /* XXX: Perhaps args[2] & 0x1f is wrong */
|
1541 | 811d4cf4 | balrog | case INDEX_op_shl_i32:
|
1542 | 811d4cf4 | balrog | c = const_args[2] ?
|
1543 | 811d4cf4 | balrog | SHIFT_IMM_LSL(args[2] & 0x1f) : SHIFT_REG_LSL(args[2]); |
1544 | 811d4cf4 | balrog | goto gen_shift32;
|
1545 | 811d4cf4 | balrog | case INDEX_op_shr_i32:
|
1546 | 811d4cf4 | balrog | c = const_args[2] ? (args[2] & 0x1f) ? SHIFT_IMM_LSR(args[2] & 0x1f) : |
1547 | 811d4cf4 | balrog | SHIFT_IMM_LSL(0) : SHIFT_REG_LSR(args[2]); |
1548 | 811d4cf4 | balrog | goto gen_shift32;
|
1549 | 811d4cf4 | balrog | case INDEX_op_sar_i32:
|
1550 | 811d4cf4 | balrog | c = const_args[2] ? (args[2] & 0x1f) ? SHIFT_IMM_ASR(args[2] & 0x1f) : |
1551 | 811d4cf4 | balrog | SHIFT_IMM_LSL(0) : SHIFT_REG_ASR(args[2]); |
1552 | 293579e5 | Aurelien Jarno | goto gen_shift32;
|
1553 | 293579e5 | Aurelien Jarno | case INDEX_op_rotr_i32:
|
1554 | 293579e5 | Aurelien Jarno | c = const_args[2] ? (args[2] & 0x1f) ? SHIFT_IMM_ROR(args[2] & 0x1f) : |
1555 | 293579e5 | Aurelien Jarno | SHIFT_IMM_LSL(0) : SHIFT_REG_ROR(args[2]); |
1556 | 811d4cf4 | balrog | /* Fall through. */
|
1557 | 811d4cf4 | balrog | gen_shift32:
|
1558 | 811d4cf4 | balrog | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, args[0], 0, args[1], c); |
1559 | 811d4cf4 | balrog | break;
|
1560 | 811d4cf4 | balrog | |
1561 | 293579e5 | Aurelien Jarno | case INDEX_op_rotl_i32:
|
1562 | 293579e5 | Aurelien Jarno | if (const_args[2]) { |
1563 | 293579e5 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, args[0], 0, args[1], |
1564 | 293579e5 | Aurelien Jarno | ((0x20 - args[2]) & 0x1f) ? |
1565 | 293579e5 | Aurelien Jarno | SHIFT_IMM_ROR((0x20 - args[2]) & 0x1f) : |
1566 | 293579e5 | Aurelien Jarno | SHIFT_IMM_LSL(0));
|
1567 | 293579e5 | Aurelien Jarno | } else {
|
1568 | 293579e5 | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_RSB, TCG_REG_R8, args[1], 0x20); |
1569 | 293579e5 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, args[0], 0, args[1], |
1570 | 293579e5 | Aurelien Jarno | SHIFT_REG_ROR(TCG_REG_R8)); |
1571 | 293579e5 | Aurelien Jarno | } |
1572 | 293579e5 | Aurelien Jarno | break;
|
1573 | 293579e5 | Aurelien Jarno | |
1574 | 811d4cf4 | balrog | case INDEX_op_brcond_i32:
|
1575 | 023e77f8 | Aurelien Jarno | if (const_args[1]) { |
1576 | 023e77f8 | Aurelien Jarno | int rot;
|
1577 | 023e77f8 | Aurelien Jarno | rot = encode_imm(args[1]);
|
1578 | c8d80cef | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_CMP, 0,
|
1579 | c8d80cef | Aurelien Jarno | args[0], rotl(args[1], rot) | (rot << 7)); |
1580 | 023e77f8 | Aurelien Jarno | } else {
|
1581 | 023e77f8 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_CMP, 0,
|
1582 | 023e77f8 | Aurelien Jarno | args[0], args[1], SHIFT_IMM_LSL(0)); |
1583 | 023e77f8 | Aurelien Jarno | } |
1584 | 811d4cf4 | balrog | tcg_out_goto_label(s, tcg_cond_to_arm_cond[args[2]], args[3]); |
1585 | 811d4cf4 | balrog | break;
|
1586 | 811d4cf4 | balrog | case INDEX_op_brcond2_i32:
|
1587 | 811d4cf4 | balrog | /* The resulting conditions are:
|
1588 | 811d4cf4 | balrog | * TCG_COND_EQ --> a0 == a2 && a1 == a3,
|
1589 | 811d4cf4 | balrog | * TCG_COND_NE --> (a0 != a2 && a1 == a3) || a1 != a3,
|
1590 | 811d4cf4 | balrog | * TCG_COND_LT(U) --> (a0 < a2 && a1 == a3) || a1 < a3,
|
1591 | 811d4cf4 | balrog | * TCG_COND_GE(U) --> (a0 >= a2 && a1 == a3) || (a1 >= a3 && a1 != a3),
|
1592 | 811d4cf4 | balrog | * TCG_COND_LE(U) --> (a0 <= a2 && a1 == a3) || (a1 <= a3 && a1 != a3),
|
1593 | 811d4cf4 | balrog | * TCG_COND_GT(U) --> (a0 > a2 && a1 == a3) || a1 > a3,
|
1594 | 811d4cf4 | balrog | */
|
1595 | 811d4cf4 | balrog | tcg_out_dat_reg(s, COND_AL, ARITH_CMP, 0,
|
1596 | 811d4cf4 | balrog | args[1], args[3], SHIFT_IMM_LSL(0)); |
1597 | 811d4cf4 | balrog | tcg_out_dat_reg(s, COND_EQ, ARITH_CMP, 0,
|
1598 | 811d4cf4 | balrog | args[0], args[2], SHIFT_IMM_LSL(0)); |
1599 | 811d4cf4 | balrog | tcg_out_goto_label(s, tcg_cond_to_arm_cond[args[4]], args[5]); |
1600 | 811d4cf4 | balrog | break;
|
1601 | f72a6cd7 | Aurelien Jarno | case INDEX_op_setcond_i32:
|
1602 | 023e77f8 | Aurelien Jarno | if (const_args[2]) { |
1603 | 023e77f8 | Aurelien Jarno | int rot;
|
1604 | 023e77f8 | Aurelien Jarno | rot = encode_imm(args[2]);
|
1605 | c8d80cef | Aurelien Jarno | tcg_out_dat_imm(s, COND_AL, ARITH_CMP, 0,
|
1606 | c8d80cef | Aurelien Jarno | args[1], rotl(args[2], rot) | (rot << 7)); |
1607 | 023e77f8 | Aurelien Jarno | } else {
|
1608 | 023e77f8 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_CMP, 0,
|
1609 | 023e77f8 | Aurelien Jarno | args[1], args[2], SHIFT_IMM_LSL(0)); |
1610 | 023e77f8 | Aurelien Jarno | } |
1611 | f72a6cd7 | Aurelien Jarno | tcg_out_dat_imm(s, tcg_cond_to_arm_cond[args[3]],
|
1612 | f72a6cd7 | Aurelien Jarno | ARITH_MOV, args[0], 0, 1); |
1613 | f72a6cd7 | Aurelien Jarno | tcg_out_dat_imm(s, tcg_cond_to_arm_cond[tcg_invert_cond(args[3])],
|
1614 | f72a6cd7 | Aurelien Jarno | ARITH_MOV, args[0], 0, 0); |
1615 | f72a6cd7 | Aurelien Jarno | break;
|
1616 | e0404769 | Aurelien Jarno | case INDEX_op_setcond2_i32:
|
1617 | e0404769 | Aurelien Jarno | /* See brcond2_i32 comment */
|
1618 | e0404769 | Aurelien Jarno | tcg_out_dat_reg(s, COND_AL, ARITH_CMP, 0,
|
1619 | e0404769 | Aurelien Jarno | args[2], args[4], SHIFT_IMM_LSL(0)); |
1620 | e0404769 | Aurelien Jarno | tcg_out_dat_reg(s, COND_EQ, ARITH_CMP, 0,
|
1621 | e0404769 | Aurelien Jarno | args[1], args[3], SHIFT_IMM_LSL(0)); |
1622 | e0404769 | Aurelien Jarno | tcg_out_dat_imm(s, tcg_cond_to_arm_cond[args[5]],
|
1623 | e0404769 | Aurelien Jarno | ARITH_MOV, args[0], 0, 1); |
1624 | e0404769 | Aurelien Jarno | tcg_out_dat_imm(s, tcg_cond_to_arm_cond[tcg_invert_cond(args[5])],
|
1625 | e0404769 | Aurelien Jarno | ARITH_MOV, args[0], 0, 0); |
1626 | b525f0a9 | Andrzej Zaborowski | break;
|
1627 | 811d4cf4 | balrog | |
1628 | 811d4cf4 | balrog | case INDEX_op_qemu_ld8u:
|
1629 | 7e0d9562 | Aurelien Jarno | tcg_out_qemu_ld(s, args, 0);
|
1630 | 811d4cf4 | balrog | break;
|
1631 | 811d4cf4 | balrog | case INDEX_op_qemu_ld8s:
|
1632 | 7e0d9562 | Aurelien Jarno | tcg_out_qemu_ld(s, args, 0 | 4); |
1633 | 811d4cf4 | balrog | break;
|
1634 | 811d4cf4 | balrog | case INDEX_op_qemu_ld16u:
|
1635 | 7e0d9562 | Aurelien Jarno | tcg_out_qemu_ld(s, args, 1);
|
1636 | 811d4cf4 | balrog | break;
|
1637 | 811d4cf4 | balrog | case INDEX_op_qemu_ld16s:
|
1638 | 7e0d9562 | Aurelien Jarno | tcg_out_qemu_ld(s, args, 1 | 4); |
1639 | 811d4cf4 | balrog | break;
|
1640 | 86feb1c8 | Richard Henderson | case INDEX_op_qemu_ld32:
|
1641 | 7e0d9562 | Aurelien Jarno | tcg_out_qemu_ld(s, args, 2);
|
1642 | 811d4cf4 | balrog | break;
|
1643 | 811d4cf4 | balrog | case INDEX_op_qemu_ld64:
|
1644 | 7e0d9562 | Aurelien Jarno | tcg_out_qemu_ld(s, args, 3);
|
1645 | 811d4cf4 | balrog | break;
|
1646 | 650bbb36 | balrog | |
1647 | 811d4cf4 | balrog | case INDEX_op_qemu_st8:
|
1648 | 7e0d9562 | Aurelien Jarno | tcg_out_qemu_st(s, args, 0);
|
1649 | 811d4cf4 | balrog | break;
|
1650 | 811d4cf4 | balrog | case INDEX_op_qemu_st16:
|
1651 | 7e0d9562 | Aurelien Jarno | tcg_out_qemu_st(s, args, 1);
|
1652 | 811d4cf4 | balrog | break;
|
1653 | 811d4cf4 | balrog | case INDEX_op_qemu_st32:
|
1654 | 7e0d9562 | Aurelien Jarno | tcg_out_qemu_st(s, args, 2);
|
1655 | 811d4cf4 | balrog | break;
|
1656 | 811d4cf4 | balrog | case INDEX_op_qemu_st64:
|
1657 | 7e0d9562 | Aurelien Jarno | tcg_out_qemu_st(s, args, 3);
|
1658 | 811d4cf4 | balrog | break;
|
1659 | 811d4cf4 | balrog | |
1660 | 244b1e81 | Aurelien Jarno | case INDEX_op_bswap16_i32:
|
1661 | 244b1e81 | Aurelien Jarno | tcg_out_bswap16(s, COND_AL, args[0], args[1]); |
1662 | 244b1e81 | Aurelien Jarno | break;
|
1663 | 244b1e81 | Aurelien Jarno | case INDEX_op_bswap32_i32:
|
1664 | 244b1e81 | Aurelien Jarno | tcg_out_bswap32(s, COND_AL, args[0], args[1]); |
1665 | 244b1e81 | Aurelien Jarno | break;
|
1666 | 244b1e81 | Aurelien Jarno | |
1667 | 811d4cf4 | balrog | case INDEX_op_ext8s_i32:
|
1668 | 9517094f | Aurelien Jarno | tcg_out_ext8s(s, COND_AL, args[0], args[1]); |
1669 | 811d4cf4 | balrog | break;
|
1670 | 811d4cf4 | balrog | case INDEX_op_ext16s_i32:
|
1671 | 9517094f | Aurelien Jarno | tcg_out_ext16s(s, COND_AL, args[0], args[1]); |
1672 | 9517094f | Aurelien Jarno | break;
|
1673 | 9517094f | Aurelien Jarno | case INDEX_op_ext16u_i32:
|
1674 | 9517094f | Aurelien Jarno | tcg_out_ext16u(s, COND_AL, args[0], args[1]); |
1675 | 811d4cf4 | balrog | break;
|
1676 | 811d4cf4 | balrog | |
1677 | 811d4cf4 | balrog | default:
|
1678 | 811d4cf4 | balrog | tcg_abort(); |
1679 | 811d4cf4 | balrog | } |
1680 | 811d4cf4 | balrog | } |
1681 | 811d4cf4 | balrog | |
1682 | 811d4cf4 | balrog | static const TCGTargetOpDef arm_op_defs[] = { |
1683 | 811d4cf4 | balrog | { INDEX_op_exit_tb, { } }, |
1684 | 811d4cf4 | balrog | { INDEX_op_goto_tb, { } }, |
1685 | 811d4cf4 | balrog | { INDEX_op_call, { "ri" } },
|
1686 | 811d4cf4 | balrog | { INDEX_op_jmp, { "ri" } },
|
1687 | 811d4cf4 | balrog | { INDEX_op_br, { } }, |
1688 | 811d4cf4 | balrog | |
1689 | 811d4cf4 | balrog | { INDEX_op_mov_i32, { "r", "r" } }, |
1690 | 811d4cf4 | balrog | { INDEX_op_movi_i32, { "r" } },
|
1691 | 811d4cf4 | balrog | |
1692 | 811d4cf4 | balrog | { INDEX_op_ld8u_i32, { "r", "r" } }, |
1693 | 811d4cf4 | balrog | { INDEX_op_ld8s_i32, { "r", "r" } }, |
1694 | 811d4cf4 | balrog | { INDEX_op_ld16u_i32, { "r", "r" } }, |
1695 | 811d4cf4 | balrog | { INDEX_op_ld16s_i32, { "r", "r" } }, |
1696 | 811d4cf4 | balrog | { INDEX_op_ld_i32, { "r", "r" } }, |
1697 | 811d4cf4 | balrog | { INDEX_op_st8_i32, { "r", "r" } }, |
1698 | 811d4cf4 | balrog | { INDEX_op_st16_i32, { "r", "r" } }, |
1699 | 811d4cf4 | balrog | { INDEX_op_st_i32, { "r", "r" } }, |
1700 | 811d4cf4 | balrog | |
1701 | 811d4cf4 | balrog | /* TODO: "r", "r", "ri" */
|
1702 | cb4e581f | Laurent Desnogues | { INDEX_op_add_i32, { "r", "r", "rI" } }, |
1703 | cb4e581f | Laurent Desnogues | { INDEX_op_sub_i32, { "r", "r", "rI" } }, |
1704 | 811d4cf4 | balrog | { INDEX_op_mul_i32, { "r", "r", "r" } }, |
1705 | 811d4cf4 | balrog | { INDEX_op_mulu2_i32, { "r", "r", "r", "r" } }, |
1706 | cb4e581f | Laurent Desnogues | { INDEX_op_and_i32, { "r", "r", "rI" } }, |
1707 | 932234f6 | Aurelien Jarno | { INDEX_op_andc_i32, { "r", "r", "rI" } }, |
1708 | cb4e581f | Laurent Desnogues | { INDEX_op_or_i32, { "r", "r", "rI" } }, |
1709 | cb4e581f | Laurent Desnogues | { INDEX_op_xor_i32, { "r", "r", "rI" } }, |
1710 | 650bbb36 | balrog | { INDEX_op_neg_i32, { "r", "r" } }, |
1711 | f878d2d2 | Laurent Desnogues | { INDEX_op_not_i32, { "r", "r" } }, |
1712 | 811d4cf4 | balrog | |
1713 | 811d4cf4 | balrog | { INDEX_op_shl_i32, { "r", "r", "ri" } }, |
1714 | 811d4cf4 | balrog | { INDEX_op_shr_i32, { "r", "r", "ri" } }, |
1715 | 811d4cf4 | balrog | { INDEX_op_sar_i32, { "r", "r", "ri" } }, |
1716 | 293579e5 | Aurelien Jarno | { INDEX_op_rotl_i32, { "r", "r", "ri" } }, |
1717 | 293579e5 | Aurelien Jarno | { INDEX_op_rotr_i32, { "r", "r", "ri" } }, |
1718 | 811d4cf4 | balrog | |
1719 | 023e77f8 | Aurelien Jarno | { INDEX_op_brcond_i32, { "r", "rI" } }, |
1720 | 023e77f8 | Aurelien Jarno | { INDEX_op_setcond_i32, { "r", "r", "rI" } }, |
1721 | 811d4cf4 | balrog | |
1722 | 811d4cf4 | balrog | /* TODO: "r", "r", "r", "r", "ri", "ri" */
|
1723 | 811d4cf4 | balrog | { INDEX_op_add2_i32, { "r", "r", "r", "r", "r", "r" } }, |
1724 | 811d4cf4 | balrog | { INDEX_op_sub2_i32, { "r", "r", "r", "r", "r", "r" } }, |
1725 | 811d4cf4 | balrog | { INDEX_op_brcond2_i32, { "r", "r", "r", "r" } }, |
1726 | e0404769 | Aurelien Jarno | { INDEX_op_setcond2_i32, { "r", "r", "r", "r", "r" } }, |
1727 | 811d4cf4 | balrog | |
1728 | 26c5d372 | Aurelien Jarno | #if TARGET_LONG_BITS == 32 |
1729 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_ld8u, { "r", "l" } }, |
1730 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_ld8s, { "r", "l" } }, |
1731 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_ld16u, { "r", "l" } }, |
1732 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_ld16s, { "r", "l" } }, |
1733 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_ld32, { "r", "l" } }, |
1734 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_ld64, { "L", "L", "l" } }, |
1735 | 67dcab73 | Aurelien Jarno | |
1736 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_st8, { "s", "s" } }, |
1737 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_st16, { "s", "s" } }, |
1738 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_st32, { "s", "s" } }, |
1739 | bf5675ef | Aurelien Jarno | { INDEX_op_qemu_st64, { "S", "S", "s" } }, |
1740 | 26c5d372 | Aurelien Jarno | #else
|
1741 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_ld8u, { "r", "l", "l" } }, |
1742 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_ld8s, { "r", "l", "l" } }, |
1743 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_ld16u, { "r", "l", "l" } }, |
1744 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_ld16s, { "r", "l", "l" } }, |
1745 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_ld32, { "r", "l", "l" } }, |
1746 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_ld64, { "L", "L", "l", "l" } }, |
1747 | 67dcab73 | Aurelien Jarno | |
1748 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_st8, { "s", "s", "s" } }, |
1749 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_st16, { "s", "s", "s" } }, |
1750 | 67dcab73 | Aurelien Jarno | { INDEX_op_qemu_st32, { "s", "s", "s" } }, |
1751 | bf5675ef | Aurelien Jarno | { INDEX_op_qemu_st64, { "S", "S", "s", "s" } }, |
1752 | 26c5d372 | Aurelien Jarno | #endif
|
1753 | 811d4cf4 | balrog | |
1754 | 244b1e81 | Aurelien Jarno | { INDEX_op_bswap16_i32, { "r", "r" } }, |
1755 | 244b1e81 | Aurelien Jarno | { INDEX_op_bswap32_i32, { "r", "r" } }, |
1756 | 244b1e81 | Aurelien Jarno | |
1757 | 811d4cf4 | balrog | { INDEX_op_ext8s_i32, { "r", "r" } }, |
1758 | 811d4cf4 | balrog | { INDEX_op_ext16s_i32, { "r", "r" } }, |
1759 | 9517094f | Aurelien Jarno | { INDEX_op_ext16u_i32, { "r", "r" } }, |
1760 | 811d4cf4 | balrog | |
1761 | 811d4cf4 | balrog | { -1 },
|
1762 | 811d4cf4 | balrog | }; |
1763 | 811d4cf4 | balrog | |
1764 | e4d58b41 | Richard Henderson | static void tcg_target_init(TCGContext *s) |
1765 | 811d4cf4 | balrog | { |
1766 | 20cb400d | Paul Brook | #if !defined(CONFIG_USER_ONLY)
|
1767 | 811d4cf4 | balrog | /* fail safe */
|
1768 | 811d4cf4 | balrog | if ((1 << CPU_TLB_ENTRY_BITS) != sizeof(CPUTLBEntry)) |
1769 | 811d4cf4 | balrog | tcg_abort(); |
1770 | 20cb400d | Paul Brook | #endif
|
1771 | 811d4cf4 | balrog | |
1772 | e4a7d5e8 | Aurelien Jarno | tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffff); |
1773 | 811d4cf4 | balrog | tcg_regset_set32(tcg_target_call_clobber_regs, 0,
|
1774 | e4a7d5e8 | Aurelien Jarno | (1 << TCG_REG_R0) |
|
1775 | e4a7d5e8 | Aurelien Jarno | (1 << TCG_REG_R1) |
|
1776 | e4a7d5e8 | Aurelien Jarno | (1 << TCG_REG_R2) |
|
1777 | e4a7d5e8 | Aurelien Jarno | (1 << TCG_REG_R3) |
|
1778 | e4a7d5e8 | Aurelien Jarno | (1 << TCG_REG_R12) |
|
1779 | e4a7d5e8 | Aurelien Jarno | (1 << TCG_REG_R14));
|
1780 | 811d4cf4 | balrog | |
1781 | 811d4cf4 | balrog | tcg_regset_clear(s->reserved_regs); |
1782 | 811d4cf4 | balrog | tcg_regset_set_reg(s->reserved_regs, TCG_REG_CALL_STACK); |
1783 | 811d4cf4 | balrog | tcg_regset_set_reg(s->reserved_regs, TCG_REG_R8); |
1784 | e4a7d5e8 | Aurelien Jarno | tcg_regset_set_reg(s->reserved_regs, TCG_REG_PC); |
1785 | 811d4cf4 | balrog | |
1786 | 811d4cf4 | balrog | tcg_add_target_add_op_defs(arm_op_defs); |
1787 | 811d4cf4 | balrog | } |
1788 | 811d4cf4 | balrog | |
1789 | 811d4cf4 | balrog | static inline void tcg_out_ld(TCGContext *s, TCGType type, int arg, |
1790 | 811d4cf4 | balrog | int arg1, tcg_target_long arg2)
|
1791 | 811d4cf4 | balrog | { |
1792 | 811d4cf4 | balrog | tcg_out_ld32u(s, COND_AL, arg, arg1, arg2); |
1793 | 811d4cf4 | balrog | } |
1794 | 811d4cf4 | balrog | |
1795 | 811d4cf4 | balrog | static inline void tcg_out_st(TCGContext *s, TCGType type, int arg, |
1796 | 811d4cf4 | balrog | int arg1, tcg_target_long arg2)
|
1797 | 811d4cf4 | balrog | { |
1798 | 811d4cf4 | balrog | tcg_out_st32(s, COND_AL, arg, arg1, arg2); |
1799 | 811d4cf4 | balrog | } |
1800 | 811d4cf4 | balrog | |
1801 | 2d69f359 | Paul Brook | static void tcg_out_addi(TCGContext *s, int reg, tcg_target_long val) |
1802 | 811d4cf4 | balrog | { |
1803 | 811d4cf4 | balrog | if (val > 0) |
1804 | 811d4cf4 | balrog | if (val < 0x100) |
1805 | 811d4cf4 | balrog | tcg_out_dat_imm(s, COND_AL, ARITH_ADD, reg, reg, val); |
1806 | 811d4cf4 | balrog | else
|
1807 | 811d4cf4 | balrog | tcg_abort(); |
1808 | 811d4cf4 | balrog | else if (val < 0) { |
1809 | 811d4cf4 | balrog | if (val > -0x100) |
1810 | 811d4cf4 | balrog | tcg_out_dat_imm(s, COND_AL, ARITH_SUB, reg, reg, -val); |
1811 | 811d4cf4 | balrog | else
|
1812 | 811d4cf4 | balrog | tcg_abort(); |
1813 | 811d4cf4 | balrog | } |
1814 | 811d4cf4 | balrog | } |
1815 | 811d4cf4 | balrog | |
1816 | 3b6dac34 | Richard Henderson | static inline void tcg_out_mov(TCGContext *s, TCGType type, int ret, int arg) |
1817 | 811d4cf4 | balrog | { |
1818 | 811d4cf4 | balrog | tcg_out_dat_reg(s, COND_AL, ARITH_MOV, ret, 0, arg, SHIFT_IMM_LSL(0)); |
1819 | 811d4cf4 | balrog | } |
1820 | 811d4cf4 | balrog | |
1821 | 811d4cf4 | balrog | static inline void tcg_out_movi(TCGContext *s, TCGType type, |
1822 | 811d4cf4 | balrog | int ret, tcg_target_long arg)
|
1823 | 811d4cf4 | balrog | { |
1824 | 811d4cf4 | balrog | tcg_out_movi32(s, COND_AL, ret, arg); |
1825 | 811d4cf4 | balrog | } |
1826 | 811d4cf4 | balrog | |
1827 | e4d58b41 | Richard Henderson | static void tcg_target_qemu_prologue(TCGContext *s) |
1828 | 811d4cf4 | balrog | { |
1829 | 9e97d8e9 | Aurelien Jarno | /* There is no need to save r7, it is used to store the address
|
1830 | 9e97d8e9 | Aurelien Jarno | of the env structure and is not modified by GCC. */
|
1831 | 4e17eae9 | Aurelien Jarno | |
1832 | 9e97d8e9 | Aurelien Jarno | /* stmdb sp!, { r4 - r6, r8 - r11, lr } */
|
1833 | 9e97d8e9 | Aurelien Jarno | tcg_out32(s, (COND_AL << 28) | 0x092d4f70); |
1834 | 811d4cf4 | balrog | |
1835 | 811d4cf4 | balrog | tcg_out_bx(s, COND_AL, TCG_REG_R0); |
1836 | 811d4cf4 | balrog | tb_ret_addr = s->code_ptr; |
1837 | 811d4cf4 | balrog | |
1838 | 9e97d8e9 | Aurelien Jarno | /* ldmia sp!, { r4 - r6, r8 - r11, pc } */
|
1839 | 9e97d8e9 | Aurelien Jarno | tcg_out32(s, (COND_AL << 28) | 0x08bd8f70); |
1840 | 811d4cf4 | balrog | } |