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