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d16005f8 PC |
1 | /* |
2 | * Copyright (C) 2014-2020 Paul Cercueil <paul@crapouillou.net> | |
3 | * | |
4 | * This library is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU Lesser General Public | |
6 | * License as published by the Free Software Foundation; either | |
7 | * version 2.1 of the License, or (at your option) any later version. | |
8 | * | |
9 | * This library is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * Lesser General Public License for more details. | |
13 | */ | |
14 | ||
15 | #include "blockcache.h" | |
16 | #include "debug.h" | |
17 | #include "disassembler.h" | |
18 | #include "emitter.h" | |
19 | #include "optimizer.h" | |
20 | #include "regcache.h" | |
21 | ||
22 | #include <lightning.h> | |
23 | #include <stdbool.h> | |
24 | #include <stddef.h> | |
25 | ||
26 | typedef void (*lightrec_rec_func_t)(const struct block *, | |
27 | const struct opcode *, u32); | |
28 | ||
29 | /* Forward declarations */ | |
30 | static void rec_SPECIAL(const struct block *block, | |
31 | const struct opcode *op, u32 pc); | |
32 | static void rec_REGIMM(const struct block *block, | |
33 | const struct opcode *op, u32 pc); | |
34 | static void rec_CP0(const struct block *block, const struct opcode *op, u32 pc); | |
35 | static void rec_CP2(const struct block *block, const struct opcode *op, u32 pc); | |
36 | ||
37 | ||
38 | static void unknown_opcode(const struct block *block, | |
39 | const struct opcode *op, u32 pc) | |
40 | { | |
41 | pr_warn("Unknown opcode: 0x%08x at PC 0x%08x\n", op->opcode, pc); | |
42 | } | |
43 | ||
44 | static void lightrec_emit_end_of_block(const struct block *block, | |
45 | const struct opcode *op, u32 pc, | |
46 | s8 reg_new_pc, u32 imm, u8 ra_reg, | |
47 | u32 link, bool update_cycles) | |
48 | { | |
49 | struct lightrec_state *state = block->state; | |
50 | struct regcache *reg_cache = state->reg_cache; | |
51 | u32 cycles = state->cycles; | |
52 | jit_state_t *_jit = block->_jit; | |
53 | ||
54 | jit_note(__FILE__, __LINE__); | |
55 | ||
56 | if (link) { | |
57 | /* Update the $ra register */ | |
58 | u8 link_reg = lightrec_alloc_reg_out(reg_cache, _jit, ra_reg); | |
59 | jit_movi(link_reg, link); | |
60 | lightrec_free_reg(reg_cache, link_reg); | |
61 | } | |
62 | ||
63 | if (reg_new_pc < 0) { | |
64 | reg_new_pc = lightrec_alloc_reg(reg_cache, _jit, JIT_V0); | |
65 | lightrec_lock_reg(reg_cache, _jit, reg_new_pc); | |
66 | ||
67 | jit_movi(reg_new_pc, imm); | |
68 | } | |
69 | ||
70 | if (has_delay_slot(op->c) && | |
71 | !(op->flags & (LIGHTREC_NO_DS | LIGHTREC_LOCAL_BRANCH))) { | |
72 | cycles += lightrec_cycles_of_opcode(op->next->c); | |
73 | ||
74 | /* Recompile the delay slot */ | |
75 | if (op->next->c.opcode) | |
76 | lightrec_rec_opcode(block, op->next, pc + 4); | |
77 | } | |
78 | ||
79 | /* Store back remaining registers */ | |
80 | lightrec_storeback_regs(reg_cache, _jit); | |
81 | ||
82 | jit_movr(JIT_V0, reg_new_pc); | |
83 | ||
84 | if (cycles && update_cycles) { | |
85 | jit_subi(LIGHTREC_REG_CYCLE, LIGHTREC_REG_CYCLE, cycles); | |
86 | pr_debug("EOB: %u cycles\n", cycles); | |
87 | } | |
88 | ||
89 | if (op->next && ((op->flags & LIGHTREC_NO_DS) || op->next->next)) | |
90 | state->branches[state->nb_branches++] = jit_jmpi(); | |
91 | } | |
92 | ||
93 | void lightrec_emit_eob(const struct block *block, | |
94 | const struct opcode *op, u32 pc) | |
95 | { | |
96 | struct lightrec_state *state = block->state; | |
97 | struct regcache *reg_cache = state->reg_cache; | |
98 | jit_state_t *_jit = block->_jit; | |
99 | ||
100 | lightrec_storeback_regs(reg_cache, _jit); | |
101 | ||
102 | jit_movi(JIT_V0, pc); | |
103 | jit_subi(LIGHTREC_REG_CYCLE, LIGHTREC_REG_CYCLE, | |
104 | state->cycles - lightrec_cycles_of_opcode(op->c)); | |
105 | ||
106 | state->branches[state->nb_branches++] = jit_jmpi(); | |
107 | } | |
108 | ||
109 | static void rec_special_JR(const struct block *block, | |
110 | const struct opcode *op, u32 pc) | |
111 | { | |
112 | struct regcache *reg_cache = block->state->reg_cache; | |
113 | jit_state_t *_jit = block->_jit; | |
114 | u8 rs = lightrec_request_reg_in(reg_cache, _jit, op->r.rs, JIT_V0); | |
115 | ||
116 | _jit_name(block->_jit, __func__); | |
117 | lightrec_lock_reg(reg_cache, _jit, rs); | |
118 | lightrec_emit_end_of_block(block, op, pc, rs, 0, 31, 0, true); | |
119 | } | |
120 | ||
121 | static void rec_special_JALR(const struct block *block, | |
122 | const struct opcode *op, u32 pc) | |
123 | { | |
124 | struct regcache *reg_cache = block->state->reg_cache; | |
125 | jit_state_t *_jit = block->_jit; | |
126 | u8 rs = lightrec_request_reg_in(reg_cache, _jit, op->r.rs, JIT_V0); | |
127 | ||
128 | _jit_name(block->_jit, __func__); | |
129 | lightrec_lock_reg(reg_cache, _jit, rs); | |
130 | lightrec_emit_end_of_block(block, op, pc, rs, 0, op->r.rd, pc + 8, true); | |
131 | } | |
132 | ||
133 | static void rec_J(const struct block *block, const struct opcode *op, u32 pc) | |
134 | { | |
135 | _jit_name(block->_jit, __func__); | |
136 | lightrec_emit_end_of_block(block, op, pc, -1, | |
137 | (pc & 0xf0000000) | (op->j.imm << 2), 31, 0, true); | |
138 | } | |
139 | ||
140 | static void rec_JAL(const struct block *block, const struct opcode *op, u32 pc) | |
141 | { | |
142 | _jit_name(block->_jit, __func__); | |
143 | lightrec_emit_end_of_block(block, op, pc, -1, | |
144 | (pc & 0xf0000000) | (op->j.imm << 2), | |
145 | 31, pc + 8, true); | |
146 | } | |
147 | ||
148 | static void rec_b(const struct block *block, const struct opcode *op, u32 pc, | |
149 | jit_code_t code, u32 link, bool unconditional, bool bz) | |
150 | { | |
151 | struct regcache *reg_cache = block->state->reg_cache; | |
152 | struct native_register *regs_backup; | |
153 | jit_state_t *_jit = block->_jit; | |
154 | struct lightrec_branch *branch; | |
155 | jit_node_t *addr; | |
156 | u8 link_reg; | |
157 | u32 offset, cycles = block->state->cycles; | |
158 | bool is_forward = (s16)op->i.imm >= -1; | |
159 | ||
160 | jit_note(__FILE__, __LINE__); | |
161 | ||
162 | if (!(op->flags & LIGHTREC_NO_DS)) | |
163 | cycles += lightrec_cycles_of_opcode(op->next->c); | |
164 | ||
165 | block->state->cycles = 0; | |
166 | ||
167 | if (cycles) | |
168 | jit_subi(LIGHTREC_REG_CYCLE, LIGHTREC_REG_CYCLE, cycles); | |
169 | ||
170 | if (!unconditional) { | |
171 | u8 rs = lightrec_alloc_reg_in_ext(reg_cache, _jit, op->i.rs), | |
172 | rt = bz ? 0 : lightrec_alloc_reg_in_ext(reg_cache, | |
173 | _jit, op->i.rt); | |
174 | ||
175 | /* Generate the branch opcode */ | |
176 | addr = jit_new_node_pww(code, NULL, rs, rt); | |
177 | ||
178 | lightrec_free_regs(reg_cache); | |
179 | regs_backup = lightrec_regcache_enter_branch(reg_cache); | |
180 | } | |
181 | ||
182 | if (op->flags & LIGHTREC_LOCAL_BRANCH) { | |
183 | if (op->next && !(op->flags & LIGHTREC_NO_DS)) { | |
184 | /* Recompile the delay slot */ | |
185 | if (op->next->opcode) | |
186 | lightrec_rec_opcode(block, op->next, pc + 4); | |
187 | } | |
188 | ||
189 | if (link) { | |
190 | /* Update the $ra register */ | |
191 | link_reg = lightrec_alloc_reg_out(reg_cache, _jit, 31); | |
192 | jit_movi(link_reg, link); | |
193 | lightrec_free_reg(reg_cache, link_reg); | |
194 | } | |
195 | ||
196 | /* Store back remaining registers */ | |
197 | lightrec_storeback_regs(reg_cache, _jit); | |
198 | ||
199 | offset = op->offset + 1 + (s16)op->i.imm; | |
200 | pr_debug("Adding local branch to offset 0x%x\n", offset << 2); | |
201 | branch = &block->state->local_branches[ | |
202 | block->state->nb_local_branches++]; | |
203 | ||
204 | branch->target = offset; | |
205 | if (is_forward) | |
206 | branch->branch = jit_jmpi(); | |
207 | else | |
208 | branch->branch = jit_bgti(LIGHTREC_REG_CYCLE, 0); | |
209 | } | |
210 | ||
211 | if (!(op->flags & LIGHTREC_LOCAL_BRANCH) || !is_forward) { | |
212 | lightrec_emit_end_of_block(block, op, pc, -1, | |
213 | pc + 4 + ((s16)op->i.imm << 2), | |
214 | 31, link, false); | |
215 | } | |
216 | ||
217 | if (!unconditional) { | |
218 | jit_patch(addr); | |
219 | lightrec_regcache_leave_branch(reg_cache, regs_backup); | |
220 | ||
221 | if (bz && link) { | |
222 | /* Update the $ra register */ | |
223 | link_reg = lightrec_alloc_reg_out_ext(reg_cache, | |
224 | _jit, 31); | |
225 | jit_movi(link_reg, (s32)link); | |
226 | lightrec_free_reg(reg_cache, link_reg); | |
227 | } | |
228 | ||
229 | if (!(op->flags & LIGHTREC_NO_DS) && op->next->opcode) | |
230 | lightrec_rec_opcode(block, op->next, pc + 4); | |
231 | } | |
232 | } | |
233 | ||
234 | static void rec_BNE(const struct block *block, const struct opcode *op, u32 pc) | |
235 | { | |
236 | _jit_name(block->_jit, __func__); | |
237 | rec_b(block, op, pc, jit_code_beqr, 0, false, false); | |
238 | } | |
239 | ||
240 | static void rec_BEQ(const struct block *block, const struct opcode *op, u32 pc) | |
241 | { | |
242 | _jit_name(block->_jit, __func__); | |
243 | rec_b(block, op, pc, jit_code_bner, 0, | |
244 | op->i.rs == op->i.rt, false); | |
245 | } | |
246 | ||
247 | static void rec_BLEZ(const struct block *block, const struct opcode *op, u32 pc) | |
248 | { | |
249 | _jit_name(block->_jit, __func__); | |
250 | rec_b(block, op, pc, jit_code_bgti, 0, op->i.rs == 0, true); | |
251 | } | |
252 | ||
253 | static void rec_BGTZ(const struct block *block, const struct opcode *op, u32 pc) | |
254 | { | |
255 | _jit_name(block->_jit, __func__); | |
256 | rec_b(block, op, pc, jit_code_blei, 0, false, true); | |
257 | } | |
258 | ||
259 | static void rec_regimm_BLTZ(const struct block *block, | |
260 | const struct opcode *op, u32 pc) | |
261 | { | |
262 | _jit_name(block->_jit, __func__); | |
263 | rec_b(block, op, pc, jit_code_bgei, 0, false, true); | |
264 | } | |
265 | ||
266 | static void rec_regimm_BLTZAL(const struct block *block, | |
267 | const struct opcode *op, u32 pc) | |
268 | { | |
269 | _jit_name(block->_jit, __func__); | |
270 | rec_b(block, op, pc, jit_code_bgei, pc + 8, false, true); | |
271 | } | |
272 | ||
273 | static void rec_regimm_BGEZ(const struct block *block, | |
274 | const struct opcode *op, u32 pc) | |
275 | { | |
276 | _jit_name(block->_jit, __func__); | |
277 | rec_b(block, op, pc, jit_code_blti, 0, !op->i.rs, true); | |
278 | } | |
279 | ||
280 | static void rec_regimm_BGEZAL(const struct block *block, | |
281 | const struct opcode *op, u32 pc) | |
282 | { | |
283 | _jit_name(block->_jit, __func__); | |
284 | rec_b(block, op, pc, jit_code_blti, pc + 8, !op->i.rs, true); | |
285 | } | |
286 | ||
287 | static void rec_alu_imm(const struct block *block, const struct opcode *op, | |
288 | jit_code_t code, bool sign_extend) | |
289 | { | |
290 | struct regcache *reg_cache = block->state->reg_cache; | |
291 | jit_state_t *_jit = block->_jit; | |
292 | u8 rs, rt; | |
293 | ||
294 | jit_note(__FILE__, __LINE__); | |
295 | rs = lightrec_alloc_reg_in_ext(reg_cache, _jit, op->i.rs); | |
296 | rt = lightrec_alloc_reg_out_ext(reg_cache, _jit, op->i.rt); | |
297 | ||
298 | if (sign_extend) | |
299 | jit_new_node_www(code, rt, rs, (s32)(s16) op->i.imm); | |
300 | else | |
301 | jit_new_node_www(code, rt, rs, (u32)(u16) op->i.imm); | |
302 | ||
303 | lightrec_free_reg(reg_cache, rs); | |
304 | lightrec_free_reg(reg_cache, rt); | |
305 | } | |
306 | ||
307 | static void rec_alu_special(const struct block *block, const struct opcode *op, | |
308 | jit_code_t code, bool out_ext) | |
309 | { | |
310 | struct regcache *reg_cache = block->state->reg_cache; | |
311 | jit_state_t *_jit = block->_jit; | |
312 | u8 rd, rt, rs; | |
313 | ||
314 | jit_note(__FILE__, __LINE__); | |
315 | rs = lightrec_alloc_reg_in_ext(reg_cache, _jit, op->r.rs); | |
316 | rt = lightrec_alloc_reg_in_ext(reg_cache, _jit, op->r.rt); | |
317 | ||
318 | if (out_ext) | |
319 | rd = lightrec_alloc_reg_out_ext(reg_cache, _jit, op->r.rd); | |
320 | else | |
321 | rd = lightrec_alloc_reg_out(reg_cache, _jit, op->r.rd); | |
322 | ||
323 | jit_new_node_www(code, rd, rs, rt); | |
324 | ||
325 | lightrec_free_reg(reg_cache, rs); | |
326 | lightrec_free_reg(reg_cache, rt); | |
327 | lightrec_free_reg(reg_cache, rd); | |
328 | } | |
329 | ||
330 | static void rec_alu_shiftv(const struct block *block, | |
331 | const struct opcode *op, jit_code_t code) | |
332 | { | |
333 | struct regcache *reg_cache = block->state->reg_cache; | |
334 | jit_state_t *_jit = block->_jit; | |
335 | u8 rd, rt, rs, temp; | |
336 | ||
337 | jit_note(__FILE__, __LINE__); | |
338 | rs = lightrec_alloc_reg_in(reg_cache, _jit, op->r.rs); | |
339 | temp = lightrec_alloc_reg_temp(reg_cache, _jit); | |
340 | ||
341 | if (code == jit_code_rshr) { | |
342 | rt = lightrec_alloc_reg_in_ext(reg_cache, _jit, op->r.rt); | |
343 | rd = lightrec_alloc_reg_out_ext(reg_cache, _jit, op->r.rd); | |
344 | } else { | |
345 | rt = lightrec_alloc_reg_in(reg_cache, _jit, op->r.rt); | |
346 | rd = lightrec_alloc_reg_out(reg_cache, _jit, op->r.rd); | |
347 | } | |
348 | ||
349 | jit_andi(temp, rs, 0x1f); | |
350 | ||
351 | #if __WORDSIZE == 64 | |
352 | if (code == jit_code_rshr_u) { | |
353 | jit_extr_ui(rd, rt); | |
354 | jit_new_node_www(code, rd, rd, temp); | |
355 | } | |
356 | #endif | |
357 | ||
358 | if (__WORDSIZE == 32 || code != jit_code_rshr_u) | |
359 | jit_new_node_www(code, rd, rt, temp); | |
360 | ||
361 | lightrec_free_reg(reg_cache, rs); | |
362 | lightrec_free_reg(reg_cache, temp); | |
363 | lightrec_free_reg(reg_cache, rt); | |
364 | lightrec_free_reg(reg_cache, rd); | |
365 | } | |
366 | ||
367 | static void rec_ADDIU(const struct block *block, | |
368 | const struct opcode *op, u32 pc) | |
369 | { | |
370 | _jit_name(block->_jit, __func__); | |
371 | rec_alu_imm(block, op, jit_code_addi, true); | |
372 | } | |
373 | ||
374 | static void rec_ADDI(const struct block *block, const struct opcode *op, u32 pc) | |
375 | { | |
376 | /* TODO: Handle the exception? */ | |
377 | _jit_name(block->_jit, __func__); | |
378 | rec_alu_imm(block, op, jit_code_addi, true); | |
379 | } | |
380 | ||
381 | static void rec_SLTIU(const struct block *block, | |
382 | const struct opcode *op, u32 pc) | |
383 | { | |
384 | _jit_name(block->_jit, __func__); | |
385 | rec_alu_imm(block, op, jit_code_lti_u, true); | |
386 | } | |
387 | ||
388 | static void rec_SLTI(const struct block *block, const struct opcode *op, u32 pc) | |
389 | { | |
390 | _jit_name(block->_jit, __func__); | |
391 | rec_alu_imm(block, op, jit_code_lti, true); | |
392 | } | |
393 | ||
394 | static void rec_ANDI(const struct block *block, const struct opcode *op, u32 pc) | |
395 | { | |
396 | struct regcache *reg_cache = block->state->reg_cache; | |
397 | jit_state_t *_jit = block->_jit; | |
398 | u8 rs, rt; | |
399 | ||
400 | _jit_name(block->_jit, __func__); | |
401 | jit_note(__FILE__, __LINE__); | |
402 | rs = lightrec_alloc_reg_in(reg_cache, _jit, op->i.rs); | |
403 | rt = lightrec_alloc_reg_out_ext(reg_cache, _jit, op->i.rt); | |
404 | ||
405 | /* PSX code uses ANDI 0xff / ANDI 0xffff a lot, which are basically | |
406 | * casts to uint8_t / uint16_t. */ | |
407 | if (op->i.imm == 0xff) | |
408 | jit_extr_uc(rt, rs); | |
409 | else if (op->i.imm == 0xffff) | |
410 | jit_extr_us(rt, rs); | |
411 | else | |
412 | jit_andi(rt, rs, (u32)(u16) op->i.imm); | |
413 | ||
414 | lightrec_free_reg(reg_cache, rs); | |
415 | lightrec_free_reg(reg_cache, rt); | |
416 | } | |
417 | ||
418 | static void rec_ORI(const struct block *block, const struct opcode *op, u32 pc) | |
419 | { | |
420 | _jit_name(block->_jit, __func__); | |
421 | rec_alu_imm(block, op, jit_code_ori, false); | |
422 | } | |
423 | ||
424 | static void rec_XORI(const struct block *block, const struct opcode *op, u32 pc) | |
425 | { | |
426 | _jit_name(block->_jit, __func__); | |
427 | rec_alu_imm(block, op, jit_code_xori, false); | |
428 | } | |
429 | ||
430 | static void rec_LUI(const struct block *block, const struct opcode *op, u32 pc) | |
431 | { | |
432 | struct regcache *reg_cache = block->state->reg_cache; | |
433 | jit_state_t *_jit = block->_jit; | |
434 | u8 rt; | |
435 | ||
436 | jit_name(__func__); | |
437 | jit_note(__FILE__, __LINE__); | |
438 | rt = lightrec_alloc_reg_out_ext(reg_cache, _jit, op->i.rt); | |
439 | ||
440 | jit_movi(rt, (s32)(op->i.imm << 16)); | |
441 | ||
442 | lightrec_free_reg(reg_cache, rt); | |
443 | } | |
444 | ||
445 | static void rec_special_ADDU(const struct block *block, | |
446 | const struct opcode *op, u32 pc) | |
447 | { | |
448 | _jit_name(block->_jit, __func__); | |
449 | rec_alu_special(block, op, jit_code_addr, false); | |
450 | } | |
451 | ||
452 | static void rec_special_ADD(const struct block *block, | |
453 | const struct opcode *op, u32 pc) | |
454 | { | |
455 | /* TODO: Handle the exception? */ | |
456 | _jit_name(block->_jit, __func__); | |
457 | rec_alu_special(block, op, jit_code_addr, false); | |
458 | } | |
459 | ||
460 | static void rec_special_SUBU(const struct block *block, | |
461 | const struct opcode *op, u32 pc) | |
462 | { | |
463 | _jit_name(block->_jit, __func__); | |
464 | rec_alu_special(block, op, jit_code_subr, false); | |
465 | } | |
466 | ||
467 | static void rec_special_SUB(const struct block *block, | |
468 | const struct opcode *op, u32 pc) | |
469 | { | |
470 | /* TODO: Handle the exception? */ | |
471 | _jit_name(block->_jit, __func__); | |
472 | rec_alu_special(block, op, jit_code_subr, false); | |
473 | } | |
474 | ||
475 | static void rec_special_AND(const struct block *block, | |
476 | const struct opcode *op, u32 pc) | |
477 | { | |
478 | _jit_name(block->_jit, __func__); | |
479 | rec_alu_special(block, op, jit_code_andr, false); | |
480 | } | |
481 | ||
482 | static void rec_special_OR(const struct block *block, | |
483 | const struct opcode *op, u32 pc) | |
484 | { | |
485 | _jit_name(block->_jit, __func__); | |
486 | rec_alu_special(block, op, jit_code_orr, false); | |
487 | } | |
488 | ||
489 | static void rec_special_XOR(const struct block *block, | |
490 | const struct opcode *op, u32 pc) | |
491 | { | |
492 | _jit_name(block->_jit, __func__); | |
493 | rec_alu_special(block, op, jit_code_xorr, false); | |
494 | } | |
495 | ||
496 | static void rec_special_NOR(const struct block *block, | |
497 | const struct opcode *op, u32 pc) | |
498 | { | |
499 | struct regcache *reg_cache = block->state->reg_cache; | |
500 | jit_state_t *_jit = block->_jit; | |
501 | u8 rd; | |
502 | ||
503 | jit_name(__func__); | |
504 | rec_alu_special(block, op, jit_code_orr, false); | |
505 | rd = lightrec_alloc_reg_out(reg_cache, _jit, op->r.rd); | |
506 | ||
507 | jit_comr(rd, rd); | |
508 | ||
509 | lightrec_free_reg(reg_cache, rd); | |
510 | } | |
511 | ||
512 | static void rec_special_SLTU(const struct block *block, | |
513 | const struct opcode *op, u32 pc) | |
514 | { | |
515 | _jit_name(block->_jit, __func__); | |
516 | rec_alu_special(block, op, jit_code_ltr_u, true); | |
517 | } | |
518 | ||
519 | static void rec_special_SLT(const struct block *block, | |
520 | const struct opcode *op, u32 pc) | |
521 | { | |
522 | _jit_name(block->_jit, __func__); | |
523 | rec_alu_special(block, op, jit_code_ltr, true); | |
524 | } | |
525 | ||
526 | static void rec_special_SLLV(const struct block *block, | |
527 | const struct opcode *op, u32 pc) | |
528 | { | |
529 | _jit_name(block->_jit, __func__); | |
530 | rec_alu_shiftv(block, op, jit_code_lshr); | |
531 | } | |
532 | ||
533 | static void rec_special_SRLV(const struct block *block, | |
534 | const struct opcode *op, u32 pc) | |
535 | { | |
536 | _jit_name(block->_jit, __func__); | |
537 | rec_alu_shiftv(block, op, jit_code_rshr_u); | |
538 | } | |
539 | ||
540 | static void rec_special_SRAV(const struct block *block, | |
541 | const struct opcode *op, u32 pc) | |
542 | { | |
543 | _jit_name(block->_jit, __func__); | |
544 | rec_alu_shiftv(block, op, jit_code_rshr); | |
545 | } | |
546 | ||
547 | static void rec_alu_shift(const struct block *block, | |
548 | const struct opcode *op, jit_code_t code) | |
549 | { | |
550 | struct regcache *reg_cache = block->state->reg_cache; | |
551 | jit_state_t *_jit = block->_jit; | |
552 | u8 rd, rt; | |
553 | ||
554 | jit_note(__FILE__, __LINE__); | |
555 | ||
556 | if (code == jit_code_rshi) { | |
557 | rt = lightrec_alloc_reg_in_ext(reg_cache, _jit, op->r.rt); | |
558 | rd = lightrec_alloc_reg_out_ext(reg_cache, _jit, op->r.rd); | |
559 | } else { | |
560 | rt = lightrec_alloc_reg_in(reg_cache, _jit, op->r.rt); | |
561 | rd = lightrec_alloc_reg_out(reg_cache, _jit, op->r.rd); | |
562 | } | |
563 | ||
564 | #if __WORDSIZE == 64 | |
565 | if (code == jit_code_rshi_u) { | |
566 | jit_extr_ui(rd, rt); | |
567 | jit_new_node_www(code, rd, rd, op->r.imm); | |
568 | } | |
569 | #endif | |
570 | if (__WORDSIZE == 32 || code != jit_code_rshi_u) | |
571 | jit_new_node_www(code, rd, rt, op->r.imm); | |
572 | ||
573 | lightrec_free_reg(reg_cache, rt); | |
574 | lightrec_free_reg(reg_cache, rd); | |
575 | } | |
576 | ||
577 | static void rec_special_SLL(const struct block *block, | |
578 | const struct opcode *op, u32 pc) | |
579 | { | |
580 | _jit_name(block->_jit, __func__); | |
581 | rec_alu_shift(block, op, jit_code_lshi); | |
582 | } | |
583 | ||
584 | static void rec_special_SRL(const struct block *block, | |
585 | const struct opcode *op, u32 pc) | |
586 | { | |
587 | _jit_name(block->_jit, __func__); | |
588 | rec_alu_shift(block, op, jit_code_rshi_u); | |
589 | } | |
590 | ||
591 | static void rec_special_SRA(const struct block *block, | |
592 | const struct opcode *op, u32 pc) | |
593 | { | |
594 | _jit_name(block->_jit, __func__); | |
595 | rec_alu_shift(block, op, jit_code_rshi); | |
596 | } | |
597 | ||
598 | static void rec_alu_mult(const struct block *block, | |
599 | const struct opcode *op, bool is_signed) | |
600 | { | |
601 | struct regcache *reg_cache = block->state->reg_cache; | |
602 | jit_state_t *_jit = block->_jit; | |
603 | u8 lo, hi, rs, rt; | |
604 | ||
605 | jit_note(__FILE__, __LINE__); | |
606 | ||
607 | lo = lightrec_alloc_reg_out(reg_cache, _jit, REG_LO); | |
608 | if (!(op->flags & LIGHTREC_MULT32)) | |
609 | hi = lightrec_alloc_reg_out_ext(reg_cache, _jit, REG_HI); | |
610 | else if (__WORDSIZE == 64) | |
611 | hi = lightrec_alloc_reg_temp(reg_cache, _jit); | |
612 | ||
613 | if (__WORDSIZE == 32 || !is_signed) { | |
614 | rs = lightrec_alloc_reg_in(reg_cache, _jit, op->r.rs); | |
615 | rt = lightrec_alloc_reg_in(reg_cache, _jit, op->r.rt); | |
616 | } else { | |
617 | rs = lightrec_alloc_reg_in_ext(reg_cache, _jit, op->r.rs); | |
618 | rt = lightrec_alloc_reg_in_ext(reg_cache, _jit, op->r.rt); | |
619 | } | |
620 | ||
621 | #if __WORDSIZE == 32 | |
622 | /* On 32-bit systems, do a 32*32->64 bit operation, or a 32*32->32 bit | |
623 | * operation if the MULT was detected a 32-bit only. */ | |
624 | if (!(op->flags & LIGHTREC_MULT32)) { | |
625 | if (is_signed) | |
626 | jit_qmulr(lo, hi, rs, rt); | |
627 | else | |
628 | jit_qmulr_u(lo, hi, rs, rt); | |
629 | } else { | |
630 | jit_mulr(lo, rs, rt); | |
631 | } | |
632 | #else | |
633 | /* On 64-bit systems, do a 64*64->64 bit operation. | |
634 | * The input registers must be 32 bits, so we first sign-extend (if | |
635 | * mult) or clear (if multu) the input registers. */ | |
636 | if (is_signed) { | |
637 | jit_mulr(lo, rs, rt); | |
638 | } else { | |
639 | jit_extr_ui(lo, rt); | |
640 | jit_extr_ui(hi, rs); | |
641 | jit_mulr(lo, hi, lo); | |
642 | } | |
643 | ||
644 | /* The 64-bit output value is in $lo, store the upper 32 bits in $hi */ | |
645 | if (!(op->flags & LIGHTREC_MULT32)) | |
646 | jit_rshi(hi, lo, 32); | |
647 | #endif | |
648 | ||
649 | lightrec_free_reg(reg_cache, rs); | |
650 | lightrec_free_reg(reg_cache, rt); | |
651 | lightrec_free_reg(reg_cache, lo); | |
652 | if (__WORDSIZE == 64 || !(op->flags & LIGHTREC_MULT32)) | |
653 | lightrec_free_reg(reg_cache, hi); | |
654 | } | |
655 | ||
656 | static void rec_alu_div(const struct block *block, | |
657 | const struct opcode *op, bool is_signed) | |
658 | { | |
659 | struct regcache *reg_cache = block->state->reg_cache; | |
660 | jit_state_t *_jit = block->_jit; | |
661 | jit_node_t *branch, *to_end; | |
662 | u8 lo, hi, rs, rt; | |
663 | ||
664 | jit_note(__FILE__, __LINE__); | |
665 | lo = lightrec_alloc_reg_out(reg_cache, _jit, REG_LO); | |
666 | hi = lightrec_alloc_reg_out(reg_cache, _jit, REG_HI); | |
667 | ||
668 | if (__WORDSIZE == 32 || !is_signed) { | |
669 | rs = lightrec_alloc_reg_in(reg_cache, _jit, op->r.rs); | |
670 | rt = lightrec_alloc_reg_in(reg_cache, _jit, op->r.rt); | |
671 | } else { | |
672 | rs = lightrec_alloc_reg_in_ext(reg_cache, _jit, op->r.rs); | |
673 | rt = lightrec_alloc_reg_in_ext(reg_cache, _jit, op->r.rt); | |
674 | } | |
675 | ||
676 | /* Jump to special handler if dividing by zero */ | |
677 | branch = jit_beqi(rt, 0); | |
678 | ||
679 | #if __WORDSIZE == 32 | |
680 | if (is_signed) | |
681 | jit_qdivr(lo, hi, rs, rt); | |
682 | else | |
683 | jit_qdivr_u(lo, hi, rs, rt); | |
684 | #else | |
685 | /* On 64-bit systems, the input registers must be 32 bits, so we first sign-extend | |
686 | * (if div) or clear (if divu) the input registers. */ | |
687 | if (is_signed) { | |
688 | jit_qdivr(lo, hi, rs, rt); | |
689 | } else { | |
690 | jit_extr_ui(lo, rt); | |
691 | jit_extr_ui(hi, rs); | |
692 | jit_qdivr_u(lo, hi, hi, lo); | |
693 | } | |
694 | #endif | |
695 | ||
696 | /* Jump above the div-by-zero handler */ | |
697 | to_end = jit_jmpi(); | |
698 | ||
699 | jit_patch(branch); | |
700 | ||
701 | if (is_signed) { | |
702 | jit_lti(lo, rs, 0); | |
703 | jit_lshi(lo, lo, 1); | |
704 | jit_subi(lo, lo, 1); | |
705 | } else { | |
706 | jit_movi(lo, 0xffffffff); | |
707 | } | |
708 | ||
709 | jit_movr(hi, rs); | |
710 | ||
711 | jit_patch(to_end); | |
712 | ||
713 | lightrec_free_reg(reg_cache, rs); | |
714 | lightrec_free_reg(reg_cache, rt); | |
715 | lightrec_free_reg(reg_cache, lo); | |
716 | lightrec_free_reg(reg_cache, hi); | |
717 | } | |
718 | ||
719 | static void rec_special_MULT(const struct block *block, | |
720 | const struct opcode *op, u32 pc) | |
721 | { | |
722 | _jit_name(block->_jit, __func__); | |
723 | rec_alu_mult(block, op, true); | |
724 | } | |
725 | ||
726 | static void rec_special_MULTU(const struct block *block, | |
727 | const struct opcode *op, u32 pc) | |
728 | { | |
729 | _jit_name(block->_jit, __func__); | |
730 | rec_alu_mult(block, op, false); | |
731 | } | |
732 | ||
733 | static void rec_special_DIV(const struct block *block, | |
734 | const struct opcode *op, u32 pc) | |
735 | { | |
736 | _jit_name(block->_jit, __func__); | |
737 | rec_alu_div(block, op, true); | |
738 | } | |
739 | ||
740 | static void rec_special_DIVU(const struct block *block, | |
741 | const struct opcode *op, u32 pc) | |
742 | { | |
743 | _jit_name(block->_jit, __func__); | |
744 | rec_alu_div(block, op, false); | |
745 | } | |
746 | ||
747 | static void rec_alu_mv_lo_hi(const struct block *block, u8 dst, u8 src) | |
748 | { | |
749 | struct regcache *reg_cache = block->state->reg_cache; | |
750 | jit_state_t *_jit = block->_jit; | |
751 | ||
752 | jit_note(__FILE__, __LINE__); | |
753 | src = lightrec_alloc_reg_in(reg_cache, _jit, src); | |
754 | dst = lightrec_alloc_reg_out_ext(reg_cache, _jit, dst); | |
755 | ||
756 | #if __WORDSIZE == 32 | |
757 | jit_movr(dst, src); | |
758 | #else | |
759 | jit_extr_i(dst, src); | |
760 | #endif | |
761 | ||
762 | lightrec_free_reg(reg_cache, src); | |
763 | lightrec_free_reg(reg_cache, dst); | |
764 | } | |
765 | ||
766 | static void rec_special_MFHI(const struct block *block, | |
767 | const struct opcode *op, u32 pc) | |
768 | { | |
769 | _jit_name(block->_jit, __func__); | |
770 | rec_alu_mv_lo_hi(block, op->r.rd, REG_HI); | |
771 | } | |
772 | ||
773 | static void rec_special_MTHI(const struct block *block, | |
774 | const struct opcode *op, u32 pc) | |
775 | { | |
776 | _jit_name(block->_jit, __func__); | |
777 | rec_alu_mv_lo_hi(block, REG_HI, op->r.rs); | |
778 | } | |
779 | ||
780 | static void rec_special_MFLO(const struct block *block, | |
781 | const struct opcode *op, u32 pc) | |
782 | { | |
783 | _jit_name(block->_jit, __func__); | |
784 | rec_alu_mv_lo_hi(block, op->r.rd, REG_LO); | |
785 | } | |
786 | ||
787 | static void rec_special_MTLO(const struct block *block, | |
788 | const struct opcode *op, u32 pc) | |
789 | { | |
790 | _jit_name(block->_jit, __func__); | |
791 | rec_alu_mv_lo_hi(block, REG_LO, op->r.rs); | |
792 | } | |
793 | ||
794 | static void rec_io(const struct block *block, const struct opcode *op, | |
795 | bool load_rt, bool read_rt) | |
796 | { | |
797 | struct regcache *reg_cache = block->state->reg_cache; | |
798 | jit_state_t *_jit = block->_jit; | |
799 | bool is_tagged = op->flags & (LIGHTREC_HW_IO | LIGHTREC_DIRECT_IO); | |
800 | u32 offset; | |
801 | u8 tmp, tmp2, tmp3; | |
802 | ||
803 | jit_note(__FILE__, __LINE__); | |
804 | ||
805 | tmp = lightrec_alloc_reg(reg_cache, _jit, JIT_R0); | |
806 | ||
807 | if (is_tagged) { | |
808 | offset = offsetof(struct lightrec_state, rw_func); | |
809 | } else { | |
810 | tmp3 = lightrec_alloc_reg(reg_cache, _jit, JIT_R1); | |
811 | offset = offsetof(struct lightrec_state, rw_generic_func); | |
812 | } | |
813 | ||
814 | tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit); | |
815 | jit_ldxi(tmp2, LIGHTREC_REG_STATE, offset); | |
816 | ||
817 | lightrec_clean_reg_if_loaded(reg_cache, _jit, op->i.rs, false); | |
818 | ||
819 | if (read_rt && likely(op->i.rt)) | |
820 | lightrec_clean_reg_if_loaded(reg_cache, _jit, op->i.rt, true); | |
821 | else if (load_rt) | |
822 | lightrec_clean_reg_if_loaded(reg_cache, _jit, op->i.rt, false); | |
823 | ||
824 | if (is_tagged) { | |
825 | jit_movi(tmp, op->opcode); | |
826 | } else { | |
827 | jit_movi(tmp, (uintptr_t)op); | |
828 | jit_movi(tmp3, (uintptr_t)block); | |
829 | } | |
830 | ||
831 | jit_callr(tmp2); | |
832 | ||
833 | lightrec_free_reg(reg_cache, tmp); | |
834 | lightrec_free_reg(reg_cache, tmp2); | |
835 | if (!is_tagged) | |
836 | lightrec_free_reg(reg_cache, tmp3); | |
837 | lightrec_regcache_mark_live(reg_cache, _jit); | |
838 | } | |
839 | ||
840 | static void rec_store_direct_no_invalidate(const struct block *block, | |
841 | const struct opcode *op, | |
842 | jit_code_t code) | |
843 | { | |
844 | struct lightrec_state *state = block->state; | |
845 | struct regcache *reg_cache = state->reg_cache; | |
846 | jit_state_t *_jit = block->_jit; | |
847 | jit_node_t *to_not_ram, *to_end; | |
848 | u8 tmp, tmp2, rs, rt; | |
849 | s16 imm; | |
850 | ||
851 | jit_note(__FILE__, __LINE__); | |
852 | rs = lightrec_alloc_reg_in(reg_cache, _jit, op->i.rs); | |
853 | tmp = lightrec_alloc_reg_temp(reg_cache, _jit); | |
854 | tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit); | |
855 | ||
856 | /* Convert to KUNSEG and avoid RAM mirrors */ | |
857 | if (state->mirrors_mapped) { | |
858 | imm = (s16)op->i.imm; | |
859 | jit_andi(tmp, rs, 0x1f800000 | (4 * RAM_SIZE - 1)); | |
860 | } else if (op->i.imm) { | |
861 | imm = 0; | |
862 | jit_addi(tmp, rs, (s16)op->i.imm); | |
863 | jit_andi(tmp, tmp, 0x1f800000 | (RAM_SIZE - 1)); | |
864 | } else { | |
865 | imm = 0; | |
866 | jit_andi(tmp, rs, 0x1f800000 | (RAM_SIZE - 1)); | |
867 | } | |
868 | ||
869 | lightrec_free_reg(reg_cache, rs); | |
870 | ||
871 | if (state->offset_ram != state->offset_scratch) { | |
872 | to_not_ram = jit_bmsi(tmp, BIT(28)); | |
873 | ||
874 | jit_movi(tmp2, state->offset_ram); | |
875 | ||
876 | to_end = jit_jmpi(); | |
877 | jit_patch(to_not_ram); | |
878 | ||
879 | jit_movi(tmp2, state->offset_scratch); | |
880 | jit_patch(to_end); | |
881 | } else if (state->offset_ram) { | |
882 | jit_movi(tmp2, state->offset_ram); | |
883 | } | |
884 | ||
885 | if (state->offset_ram || state->offset_scratch) | |
886 | jit_addr(tmp, tmp, tmp2); | |
887 | ||
888 | lightrec_free_reg(reg_cache, tmp2); | |
889 | ||
890 | rt = lightrec_alloc_reg_in(reg_cache, _jit, op->i.rt); | |
891 | jit_new_node_www(code, imm, tmp, rt); | |
892 | ||
893 | lightrec_free_reg(reg_cache, rt); | |
894 | lightrec_free_reg(reg_cache, tmp); | |
895 | } | |
896 | ||
897 | static void rec_store_direct(const struct block *block, const struct opcode *op, | |
898 | jit_code_t code) | |
899 | { | |
900 | struct lightrec_state *state = block->state; | |
901 | struct regcache *reg_cache = state->reg_cache; | |
902 | jit_state_t *_jit = block->_jit; | |
903 | jit_node_t *to_not_ram, *to_end; | |
904 | u8 tmp, tmp2, tmp3, rs, rt; | |
905 | ||
906 | jit_note(__FILE__, __LINE__); | |
907 | ||
908 | rs = lightrec_alloc_reg_in(reg_cache, _jit, op->i.rs); | |
909 | tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit); | |
910 | tmp3 = lightrec_alloc_reg_in(reg_cache, _jit, 0); | |
911 | ||
912 | /* Convert to KUNSEG and avoid RAM mirrors */ | |
913 | if (op->i.imm) { | |
914 | jit_addi(tmp2, rs, (s16)op->i.imm); | |
915 | jit_andi(tmp2, tmp2, 0x1f800000 | (RAM_SIZE - 1)); | |
916 | } else { | |
917 | jit_andi(tmp2, rs, 0x1f800000 | (RAM_SIZE - 1)); | |
918 | } | |
919 | ||
920 | lightrec_free_reg(reg_cache, rs); | |
921 | tmp = lightrec_alloc_reg_temp(reg_cache, _jit); | |
922 | ||
923 | to_not_ram = jit_bgti(tmp2, RAM_SIZE); | |
924 | ||
925 | /* Compute the offset to the code LUT */ | |
926 | jit_andi(tmp, tmp2, (RAM_SIZE - 1) & ~3); | |
927 | #if __WORDSIZE == 64 | |
928 | jit_lshi(tmp, tmp, 1); | |
929 | #endif | |
930 | jit_addr(tmp, LIGHTREC_REG_STATE, tmp); | |
931 | ||
932 | /* Write NULL to the code LUT to invalidate any block that's there */ | |
933 | jit_stxi(offsetof(struct lightrec_state, code_lut), tmp, tmp3); | |
934 | ||
935 | if (state->offset_ram != state->offset_scratch) { | |
936 | jit_movi(tmp, state->offset_ram); | |
937 | ||
938 | to_end = jit_jmpi(); | |
939 | } | |
940 | ||
941 | jit_patch(to_not_ram); | |
942 | ||
943 | if (state->offset_ram || state->offset_scratch) | |
944 | jit_movi(tmp, state->offset_scratch); | |
945 | ||
946 | if (state->offset_ram != state->offset_scratch) | |
947 | jit_patch(to_end); | |
948 | ||
949 | if (state->offset_ram || state->offset_scratch) | |
950 | jit_addr(tmp2, tmp2, tmp); | |
951 | ||
952 | lightrec_free_reg(reg_cache, tmp); | |
953 | lightrec_free_reg(reg_cache, tmp3); | |
954 | ||
955 | rt = lightrec_alloc_reg_in(reg_cache, _jit, op->i.rt); | |
956 | jit_new_node_www(code, 0, tmp2, rt); | |
957 | ||
958 | lightrec_free_reg(reg_cache, rt); | |
959 | lightrec_free_reg(reg_cache, tmp2); | |
960 | } | |
961 | ||
962 | static void rec_store(const struct block *block, const struct opcode *op, | |
963 | jit_code_t code) | |
964 | { | |
965 | if (op->flags & LIGHTREC_NO_INVALIDATE) { | |
966 | rec_store_direct_no_invalidate(block, op, code); | |
967 | } else if (op->flags & LIGHTREC_DIRECT_IO) { | |
968 | if (block->state->invalidate_from_dma_only) | |
969 | rec_store_direct_no_invalidate(block, op, code); | |
970 | else | |
971 | rec_store_direct(block, op, code); | |
972 | } else { | |
973 | rec_io(block, op, true, false); | |
974 | } | |
975 | } | |
976 | ||
977 | static void rec_SB(const struct block *block, const struct opcode *op, u32 pc) | |
978 | { | |
979 | _jit_name(block->_jit, __func__); | |
980 | rec_store(block, op, jit_code_stxi_c); | |
981 | } | |
982 | ||
983 | static void rec_SH(const struct block *block, const struct opcode *op, u32 pc) | |
984 | { | |
985 | _jit_name(block->_jit, __func__); | |
986 | rec_store(block, op, jit_code_stxi_s); | |
987 | } | |
988 | ||
989 | static void rec_SW(const struct block *block, const struct opcode *op, u32 pc) | |
990 | { | |
991 | _jit_name(block->_jit, __func__); | |
992 | rec_store(block, op, jit_code_stxi_i); | |
993 | } | |
994 | ||
995 | static void rec_SWL(const struct block *block, const struct opcode *op, u32 pc) | |
996 | { | |
997 | _jit_name(block->_jit, __func__); | |
998 | rec_io(block, op, true, false); | |
999 | } | |
1000 | ||
1001 | static void rec_SWR(const struct block *block, const struct opcode *op, u32 pc) | |
1002 | { | |
1003 | _jit_name(block->_jit, __func__); | |
1004 | rec_io(block, op, true, false); | |
1005 | } | |
1006 | ||
1007 | static void rec_SWC2(const struct block *block, const struct opcode *op, u32 pc) | |
1008 | { | |
1009 | _jit_name(block->_jit, __func__); | |
1010 | rec_io(block, op, false, false); | |
1011 | } | |
1012 | ||
1013 | static void rec_load_direct(const struct block *block, const struct opcode *op, | |
1014 | jit_code_t code) | |
1015 | { | |
1016 | struct lightrec_state *state = block->state; | |
1017 | struct regcache *reg_cache = state->reg_cache; | |
1018 | jit_state_t *_jit = block->_jit; | |
1019 | jit_node_t *to_not_ram, *to_not_bios, *to_end, *to_end2; | |
1020 | u8 tmp, rs, rt, addr_reg; | |
1021 | s16 imm; | |
1022 | ||
1023 | if (!op->i.rt) | |
1024 | return; | |
1025 | ||
1026 | jit_note(__FILE__, __LINE__); | |
1027 | rs = lightrec_alloc_reg_in(reg_cache, _jit, op->i.rs); | |
1028 | rt = lightrec_alloc_reg_out_ext(reg_cache, _jit, op->i.rt); | |
1029 | ||
1030 | if ((state->offset_ram == state->offset_bios && | |
1031 | state->offset_ram == state->offset_scratch && | |
1032 | state->mirrors_mapped) || !op->i.imm) { | |
1033 | addr_reg = rs; | |
1034 | imm = (s16)op->i.imm; | |
1035 | } else { | |
1036 | jit_addi(rt, rs, (s16)op->i.imm); | |
1037 | addr_reg = rt; | |
1038 | imm = 0; | |
1039 | ||
1040 | if (op->i.rs != op->i.rt) | |
1041 | lightrec_free_reg(reg_cache, rs); | |
1042 | } | |
1043 | ||
1044 | tmp = lightrec_alloc_reg_temp(reg_cache, _jit); | |
1045 | ||
1046 | if (state->offset_ram == state->offset_bios && | |
1047 | state->offset_ram == state->offset_scratch) { | |
1048 | if (!state->mirrors_mapped) { | |
1049 | jit_andi(tmp, addr_reg, BIT(28)); | |
1050 | jit_rshi_u(tmp, tmp, 28 - 22); | |
1051 | jit_ori(tmp, tmp, 0x1f800000 | (RAM_SIZE - 1)); | |
1052 | jit_andr(rt, addr_reg, tmp); | |
1053 | } else { | |
1054 | jit_andi(rt, addr_reg, 0x1fffffff); | |
1055 | } | |
1056 | ||
1057 | if (state->offset_ram) | |
1058 | jit_movi(tmp, state->offset_ram); | |
1059 | } else { | |
1060 | to_not_ram = jit_bmsi(addr_reg, BIT(28)); | |
1061 | ||
1062 | /* Convert to KUNSEG and avoid RAM mirrors */ | |
1063 | jit_andi(rt, addr_reg, RAM_SIZE - 1); | |
1064 | ||
1065 | if (state->offset_ram) | |
1066 | jit_movi(tmp, state->offset_ram); | |
1067 | ||
1068 | to_end = jit_jmpi(); | |
1069 | ||
1070 | jit_patch(to_not_ram); | |
1071 | ||
1072 | if (state->offset_bios != state->offset_scratch) | |
1073 | to_not_bios = jit_bmci(addr_reg, BIT(22)); | |
1074 | ||
1075 | /* Convert to KUNSEG */ | |
1076 | jit_andi(rt, addr_reg, 0x1fc00000 | (BIOS_SIZE - 1)); | |
1077 | ||
1078 | jit_movi(tmp, state->offset_bios); | |
1079 | ||
1080 | if (state->offset_bios != state->offset_scratch) { | |
1081 | to_end2 = jit_jmpi(); | |
1082 | ||
1083 | jit_patch(to_not_bios); | |
1084 | ||
1085 | /* Convert to KUNSEG */ | |
1086 | jit_andi(rt, addr_reg, 0x1f800fff); | |
1087 | ||
1088 | if (state->offset_scratch) | |
1089 | jit_movi(tmp, state->offset_scratch); | |
1090 | ||
1091 | jit_patch(to_end2); | |
1092 | } | |
1093 | ||
1094 | jit_patch(to_end); | |
1095 | } | |
1096 | ||
1097 | if (state->offset_ram || state->offset_bios || state->offset_scratch) | |
1098 | jit_addr(rt, rt, tmp); | |
1099 | ||
1100 | jit_new_node_www(code, rt, rt, imm); | |
1101 | ||
1102 | lightrec_free_reg(reg_cache, addr_reg); | |
1103 | lightrec_free_reg(reg_cache, rt); | |
1104 | lightrec_free_reg(reg_cache, tmp); | |
1105 | } | |
1106 | ||
1107 | static void rec_load(const struct block *block, const struct opcode *op, | |
1108 | jit_code_t code) | |
1109 | { | |
1110 | if (op->flags & LIGHTREC_DIRECT_IO) | |
1111 | rec_load_direct(block, op, code); | |
1112 | else | |
1113 | rec_io(block, op, false, true); | |
1114 | } | |
1115 | ||
1116 | static void rec_LB(const struct block *block, const struct opcode *op, u32 pc) | |
1117 | { | |
1118 | _jit_name(block->_jit, __func__); | |
1119 | rec_load(block, op, jit_code_ldxi_c); | |
1120 | } | |
1121 | ||
1122 | static void rec_LBU(const struct block *block, const struct opcode *op, u32 pc) | |
1123 | { | |
1124 | _jit_name(block->_jit, __func__); | |
1125 | rec_load(block, op, jit_code_ldxi_uc); | |
1126 | } | |
1127 | ||
1128 | static void rec_LH(const struct block *block, const struct opcode *op, u32 pc) | |
1129 | { | |
1130 | _jit_name(block->_jit, __func__); | |
1131 | rec_load(block, op, jit_code_ldxi_s); | |
1132 | } | |
1133 | ||
1134 | static void rec_LHU(const struct block *block, const struct opcode *op, u32 pc) | |
1135 | { | |
1136 | _jit_name(block->_jit, __func__); | |
1137 | rec_load(block, op, jit_code_ldxi_us); | |
1138 | } | |
1139 | ||
1140 | static void rec_LWL(const struct block *block, const struct opcode *op, u32 pc) | |
1141 | { | |
1142 | _jit_name(block->_jit, __func__); | |
1143 | rec_io(block, op, true, true); | |
1144 | } | |
1145 | ||
1146 | static void rec_LWR(const struct block *block, const struct opcode *op, u32 pc) | |
1147 | { | |
1148 | _jit_name(block->_jit, __func__); | |
1149 | rec_io(block, op, true, true); | |
1150 | } | |
1151 | ||
1152 | static void rec_LW(const struct block *block, const struct opcode *op, u32 pc) | |
1153 | { | |
1154 | _jit_name(block->_jit, __func__); | |
1155 | rec_load(block, op, jit_code_ldxi_i); | |
1156 | } | |
1157 | ||
1158 | static void rec_LWC2(const struct block *block, const struct opcode *op, u32 pc) | |
1159 | { | |
1160 | _jit_name(block->_jit, __func__); | |
1161 | rec_io(block, op, false, false); | |
1162 | } | |
1163 | ||
1164 | static void rec_break_syscall(const struct block *block, | |
1165 | const struct opcode *op, u32 pc, bool is_break) | |
1166 | { | |
1167 | struct regcache *reg_cache = block->state->reg_cache; | |
1168 | jit_state_t *_jit = block->_jit; | |
1169 | u32 offset; | |
1170 | u8 tmp; | |
1171 | ||
1172 | jit_note(__FILE__, __LINE__); | |
1173 | ||
1174 | if (is_break) | |
1175 | offset = offsetof(struct lightrec_state, break_func); | |
1176 | else | |
1177 | offset = offsetof(struct lightrec_state, syscall_func); | |
1178 | ||
1179 | tmp = lightrec_alloc_reg_temp(reg_cache, _jit); | |
1180 | jit_ldxi(tmp, LIGHTREC_REG_STATE, offset); | |
1181 | jit_callr(tmp); | |
1182 | lightrec_free_reg(reg_cache, tmp); | |
1183 | ||
1184 | lightrec_regcache_mark_live(reg_cache, _jit); | |
1185 | ||
1186 | /* TODO: the return address should be "pc - 4" if we're a delay slot */ | |
1187 | lightrec_emit_end_of_block(block, op, pc, -1, pc, 31, 0, true); | |
1188 | } | |
1189 | ||
1190 | static void rec_special_SYSCALL(const struct block *block, | |
1191 | const struct opcode *op, u32 pc) | |
1192 | { | |
1193 | _jit_name(block->_jit, __func__); | |
1194 | rec_break_syscall(block, op, pc, false); | |
1195 | } | |
1196 | ||
1197 | static void rec_special_BREAK(const struct block *block, | |
1198 | const struct opcode *op, u32 pc) | |
1199 | { | |
1200 | _jit_name(block->_jit, __func__); | |
1201 | rec_break_syscall(block, op, pc, true); | |
1202 | } | |
1203 | ||
1204 | static void rec_mfc(const struct block *block, const struct opcode *op) | |
1205 | { | |
1206 | u8 tmp, tmp2; | |
1207 | struct lightrec_state *state = block->state; | |
1208 | struct regcache *reg_cache = state->reg_cache; | |
1209 | jit_state_t *_jit = block->_jit; | |
1210 | ||
1211 | jit_note(__FILE__, __LINE__); | |
1212 | ||
1213 | tmp = lightrec_alloc_reg(reg_cache, _jit, JIT_R0); | |
1214 | tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit); | |
1215 | ||
1216 | jit_ldxi(tmp2, LIGHTREC_REG_STATE, | |
1217 | offsetof(struct lightrec_state, mfc_func)); | |
1218 | ||
1219 | lightrec_clean_reg_if_loaded(reg_cache, _jit, op->i.rt, true); | |
1220 | ||
1221 | jit_movi(tmp, op->opcode); | |
1222 | jit_callr(tmp2); | |
1223 | lightrec_free_reg(reg_cache, tmp); | |
1224 | lightrec_free_reg(reg_cache, tmp2); | |
1225 | ||
1226 | lightrec_regcache_mark_live(reg_cache, _jit); | |
1227 | } | |
1228 | ||
1229 | static void rec_mtc(const struct block *block, const struct opcode *op, u32 pc) | |
1230 | { | |
1231 | struct lightrec_state *state = block->state; | |
1232 | struct regcache *reg_cache = state->reg_cache; | |
1233 | jit_state_t *_jit = block->_jit; | |
1234 | u8 tmp, tmp2; | |
1235 | ||
1236 | jit_note(__FILE__, __LINE__); | |
1237 | ||
1238 | tmp = lightrec_alloc_reg(reg_cache, _jit, JIT_R0); | |
1239 | tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit); | |
1240 | jit_ldxi(tmp2, LIGHTREC_REG_STATE, | |
1241 | offsetof(struct lightrec_state, mtc_func)); | |
1242 | ||
1243 | lightrec_clean_reg_if_loaded(reg_cache, _jit, op->i.rs, false); | |
1244 | lightrec_clean_reg_if_loaded(reg_cache, _jit, op->i.rt, false); | |
1245 | ||
1246 | jit_movi(tmp, op->opcode); | |
1247 | jit_callr(tmp2); | |
1248 | lightrec_free_reg(reg_cache, tmp); | |
1249 | lightrec_free_reg(reg_cache, tmp2); | |
1250 | ||
1251 | lightrec_regcache_mark_live(reg_cache, _jit); | |
1252 | ||
a59e5536 | 1253 | if (op->i.op == OP_CP0 && !(op->flags & LIGHTREC_NO_DS) && |
1254 | (op->r.rd == 12 || op->r.rd == 13)) | |
d16005f8 PC |
1255 | lightrec_emit_end_of_block(block, op, pc, -1, pc + 4, 0, 0, true); |
1256 | } | |
1257 | ||
1258 | static void rec_cp0_MFC0(const struct block *block, | |
1259 | const struct opcode *op, u32 pc) | |
1260 | { | |
1261 | _jit_name(block->_jit, __func__); | |
1262 | rec_mfc(block, op); | |
1263 | } | |
1264 | ||
1265 | static void rec_cp0_CFC0(const struct block *block, | |
1266 | const struct opcode *op, u32 pc) | |
1267 | { | |
1268 | _jit_name(block->_jit, __func__); | |
1269 | rec_mfc(block, op); | |
1270 | } | |
1271 | ||
1272 | static void rec_cp0_MTC0(const struct block *block, | |
1273 | const struct opcode *op, u32 pc) | |
1274 | { | |
1275 | _jit_name(block->_jit, __func__); | |
1276 | rec_mtc(block, op, pc); | |
1277 | } | |
1278 | ||
1279 | static void rec_cp0_CTC0(const struct block *block, | |
1280 | const struct opcode *op, u32 pc) | |
1281 | { | |
1282 | _jit_name(block->_jit, __func__); | |
1283 | rec_mtc(block, op, pc); | |
1284 | } | |
1285 | ||
1286 | static void rec_cp2_basic_MFC2(const struct block *block, | |
1287 | const struct opcode *op, u32 pc) | |
1288 | { | |
1289 | _jit_name(block->_jit, __func__); | |
1290 | rec_mfc(block, op); | |
1291 | } | |
1292 | ||
1293 | static void rec_cp2_basic_CFC2(const struct block *block, | |
1294 | const struct opcode *op, u32 pc) | |
1295 | { | |
1296 | _jit_name(block->_jit, __func__); | |
1297 | rec_mfc(block, op); | |
1298 | } | |
1299 | ||
1300 | static void rec_cp2_basic_MTC2(const struct block *block, | |
1301 | const struct opcode *op, u32 pc) | |
1302 | { | |
1303 | _jit_name(block->_jit, __func__); | |
1304 | rec_mtc(block, op, pc); | |
1305 | } | |
1306 | ||
1307 | static void rec_cp2_basic_CTC2(const struct block *block, | |
1308 | const struct opcode *op, u32 pc) | |
1309 | { | |
1310 | _jit_name(block->_jit, __func__); | |
1311 | rec_mtc(block, op, pc); | |
1312 | } | |
1313 | ||
1314 | static void rec_cp0_RFE(const struct block *block, | |
1315 | const struct opcode *op, u32 pc) | |
1316 | { | |
1317 | struct lightrec_state *state = block->state; | |
1318 | jit_state_t *_jit = block->_jit; | |
1319 | u8 tmp; | |
1320 | ||
1321 | jit_name(__func__); | |
1322 | jit_note(__FILE__, __LINE__); | |
1323 | ||
1324 | tmp = lightrec_alloc_reg_temp(state->reg_cache, _jit); | |
1325 | jit_ldxi(tmp, LIGHTREC_REG_STATE, | |
1326 | offsetof(struct lightrec_state, rfe_func)); | |
1327 | jit_callr(tmp); | |
1328 | lightrec_free_reg(state->reg_cache, tmp); | |
1329 | ||
1330 | lightrec_regcache_mark_live(state->reg_cache, _jit); | |
1331 | } | |
1332 | ||
1333 | static void rec_CP(const struct block *block, const struct opcode *op, u32 pc) | |
1334 | { | |
1335 | struct regcache *reg_cache = block->state->reg_cache; | |
1336 | jit_state_t *_jit = block->_jit; | |
1337 | u8 tmp, tmp2; | |
1338 | ||
1339 | jit_name(__func__); | |
1340 | jit_note(__FILE__, __LINE__); | |
1341 | ||
1342 | tmp = lightrec_alloc_reg(reg_cache, _jit, JIT_R0); | |
1343 | tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit); | |
1344 | ||
1345 | jit_ldxi(tmp2, LIGHTREC_REG_STATE, | |
1346 | offsetof(struct lightrec_state, cp_func)); | |
1347 | ||
1348 | jit_movi(tmp, op->opcode); | |
1349 | jit_callr(tmp2); | |
1350 | lightrec_free_reg(reg_cache, tmp); | |
1351 | lightrec_free_reg(reg_cache, tmp2); | |
1352 | ||
1353 | lightrec_regcache_mark_live(reg_cache, _jit); | |
1354 | } | |
1355 | ||
1356 | static void rec_meta_unload(const struct block *block, | |
1357 | const struct opcode *op, u32 pc) | |
1358 | { | |
1359 | struct lightrec_state *state = block->state; | |
1360 | struct regcache *reg_cache = state->reg_cache; | |
1361 | jit_state_t *_jit = block->_jit; | |
1362 | ||
1363 | jit_name(__func__); | |
1364 | jit_note(__FILE__, __LINE__); | |
1365 | ||
1366 | pr_debug("Unloading reg %s\n", lightrec_reg_name(op->i.rs)); | |
1367 | lightrec_clean_reg_if_loaded(reg_cache, _jit, op->i.rs, true); | |
1368 | } | |
1369 | ||
1370 | static void rec_meta_BEQZ(const struct block *block, | |
1371 | const struct opcode *op, u32 pc) | |
1372 | { | |
1373 | _jit_name(block->_jit, __func__); | |
1374 | rec_b(block, op, pc, jit_code_bnei, 0, false, true); | |
1375 | } | |
1376 | ||
1377 | static void rec_meta_BNEZ(const struct block *block, | |
1378 | const struct opcode *op, u32 pc) | |
1379 | { | |
1380 | _jit_name(block->_jit, __func__); | |
1381 | rec_b(block, op, pc, jit_code_beqi, 0, false, true); | |
1382 | } | |
1383 | ||
1384 | static void rec_meta_MOV(const struct block *block, | |
1385 | const struct opcode *op, u32 pc) | |
1386 | { | |
1387 | struct lightrec_state *state = block->state; | |
1388 | struct regcache *reg_cache = state->reg_cache; | |
1389 | jit_state_t *_jit = block->_jit; | |
1390 | u8 rs, rd; | |
1391 | ||
1392 | _jit_name(block->_jit, __func__); | |
1393 | jit_note(__FILE__, __LINE__); | |
1394 | rs = op->r.rs ? lightrec_alloc_reg_in(reg_cache, _jit, op->r.rs) : 0; | |
1395 | rd = lightrec_alloc_reg_out_ext(reg_cache, _jit, op->r.rd); | |
1396 | ||
1397 | if (op->r.rs == 0) { | |
1398 | jit_movi(rd, 0); | |
1399 | } else { | |
1400 | #if __WORDSIZE == 32 | |
1401 | jit_movr(rd, rs); | |
1402 | #else | |
1403 | jit_extr_i(rd, rs); | |
1404 | #endif | |
1405 | } | |
1406 | ||
1407 | lightrec_free_reg(state->reg_cache, rs); | |
1408 | lightrec_free_reg(state->reg_cache, rd); | |
1409 | } | |
1410 | ||
1411 | static void rec_meta_sync(const struct block *block, | |
1412 | const struct opcode *op, u32 pc) | |
1413 | { | |
1414 | struct lightrec_state *state = block->state; | |
1415 | struct lightrec_branch_target *target; | |
1416 | jit_state_t *_jit = block->_jit; | |
1417 | ||
1418 | jit_name(__func__); | |
1419 | jit_note(__FILE__, __LINE__); | |
1420 | ||
1421 | jit_subi(LIGHTREC_REG_CYCLE, LIGHTREC_REG_CYCLE, state->cycles); | |
1422 | state->cycles = 0; | |
1423 | ||
1424 | lightrec_storeback_regs(state->reg_cache, _jit); | |
1425 | lightrec_regcache_reset(state->reg_cache); | |
1426 | ||
1427 | pr_debug("Adding branch target at offset 0x%x\n", | |
1428 | op->offset << 2); | |
1429 | target = &state->targets[state->nb_targets++]; | |
1430 | target->offset = op->offset; | |
a59e5536 | 1431 | target->label = jit_indirect(); |
d16005f8 PC |
1432 | } |
1433 | ||
1434 | static const lightrec_rec_func_t rec_standard[64] = { | |
1435 | [OP_SPECIAL] = rec_SPECIAL, | |
1436 | [OP_REGIMM] = rec_REGIMM, | |
1437 | [OP_J] = rec_J, | |
1438 | [OP_JAL] = rec_JAL, | |
1439 | [OP_BEQ] = rec_BEQ, | |
1440 | [OP_BNE] = rec_BNE, | |
1441 | [OP_BLEZ] = rec_BLEZ, | |
1442 | [OP_BGTZ] = rec_BGTZ, | |
1443 | [OP_ADDI] = rec_ADDI, | |
1444 | [OP_ADDIU] = rec_ADDIU, | |
1445 | [OP_SLTI] = rec_SLTI, | |
1446 | [OP_SLTIU] = rec_SLTIU, | |
1447 | [OP_ANDI] = rec_ANDI, | |
1448 | [OP_ORI] = rec_ORI, | |
1449 | [OP_XORI] = rec_XORI, | |
1450 | [OP_LUI] = rec_LUI, | |
1451 | [OP_CP0] = rec_CP0, | |
1452 | [OP_CP2] = rec_CP2, | |
1453 | [OP_LB] = rec_LB, | |
1454 | [OP_LH] = rec_LH, | |
1455 | [OP_LWL] = rec_LWL, | |
1456 | [OP_LW] = rec_LW, | |
1457 | [OP_LBU] = rec_LBU, | |
1458 | [OP_LHU] = rec_LHU, | |
1459 | [OP_LWR] = rec_LWR, | |
1460 | [OP_SB] = rec_SB, | |
1461 | [OP_SH] = rec_SH, | |
1462 | [OP_SWL] = rec_SWL, | |
1463 | [OP_SW] = rec_SW, | |
1464 | [OP_SWR] = rec_SWR, | |
1465 | [OP_LWC2] = rec_LWC2, | |
1466 | [OP_SWC2] = rec_SWC2, | |
1467 | ||
1468 | [OP_META_REG_UNLOAD] = rec_meta_unload, | |
1469 | [OP_META_BEQZ] = rec_meta_BEQZ, | |
1470 | [OP_META_BNEZ] = rec_meta_BNEZ, | |
1471 | [OP_META_MOV] = rec_meta_MOV, | |
1472 | [OP_META_SYNC] = rec_meta_sync, | |
1473 | }; | |
1474 | ||
1475 | static const lightrec_rec_func_t rec_special[64] = { | |
1476 | [OP_SPECIAL_SLL] = rec_special_SLL, | |
1477 | [OP_SPECIAL_SRL] = rec_special_SRL, | |
1478 | [OP_SPECIAL_SRA] = rec_special_SRA, | |
1479 | [OP_SPECIAL_SLLV] = rec_special_SLLV, | |
1480 | [OP_SPECIAL_SRLV] = rec_special_SRLV, | |
1481 | [OP_SPECIAL_SRAV] = rec_special_SRAV, | |
1482 | [OP_SPECIAL_JR] = rec_special_JR, | |
1483 | [OP_SPECIAL_JALR] = rec_special_JALR, | |
1484 | [OP_SPECIAL_SYSCALL] = rec_special_SYSCALL, | |
1485 | [OP_SPECIAL_BREAK] = rec_special_BREAK, | |
1486 | [OP_SPECIAL_MFHI] = rec_special_MFHI, | |
1487 | [OP_SPECIAL_MTHI] = rec_special_MTHI, | |
1488 | [OP_SPECIAL_MFLO] = rec_special_MFLO, | |
1489 | [OP_SPECIAL_MTLO] = rec_special_MTLO, | |
1490 | [OP_SPECIAL_MULT] = rec_special_MULT, | |
1491 | [OP_SPECIAL_MULTU] = rec_special_MULTU, | |
1492 | [OP_SPECIAL_DIV] = rec_special_DIV, | |
1493 | [OP_SPECIAL_DIVU] = rec_special_DIVU, | |
1494 | [OP_SPECIAL_ADD] = rec_special_ADD, | |
1495 | [OP_SPECIAL_ADDU] = rec_special_ADDU, | |
1496 | [OP_SPECIAL_SUB] = rec_special_SUB, | |
1497 | [OP_SPECIAL_SUBU] = rec_special_SUBU, | |
1498 | [OP_SPECIAL_AND] = rec_special_AND, | |
1499 | [OP_SPECIAL_OR] = rec_special_OR, | |
1500 | [OP_SPECIAL_XOR] = rec_special_XOR, | |
1501 | [OP_SPECIAL_NOR] = rec_special_NOR, | |
1502 | [OP_SPECIAL_SLT] = rec_special_SLT, | |
1503 | [OP_SPECIAL_SLTU] = rec_special_SLTU, | |
1504 | }; | |
1505 | ||
1506 | static const lightrec_rec_func_t rec_regimm[64] = { | |
1507 | [OP_REGIMM_BLTZ] = rec_regimm_BLTZ, | |
1508 | [OP_REGIMM_BGEZ] = rec_regimm_BGEZ, | |
1509 | [OP_REGIMM_BLTZAL] = rec_regimm_BLTZAL, | |
1510 | [OP_REGIMM_BGEZAL] = rec_regimm_BGEZAL, | |
1511 | }; | |
1512 | ||
1513 | static const lightrec_rec_func_t rec_cp0[64] = { | |
1514 | [OP_CP0_MFC0] = rec_cp0_MFC0, | |
1515 | [OP_CP0_CFC0] = rec_cp0_CFC0, | |
1516 | [OP_CP0_MTC0] = rec_cp0_MTC0, | |
1517 | [OP_CP0_CTC0] = rec_cp0_CTC0, | |
1518 | [OP_CP0_RFE] = rec_cp0_RFE, | |
1519 | }; | |
1520 | ||
1521 | static const lightrec_rec_func_t rec_cp2_basic[64] = { | |
1522 | [OP_CP2_BASIC_MFC2] = rec_cp2_basic_MFC2, | |
1523 | [OP_CP2_BASIC_CFC2] = rec_cp2_basic_CFC2, | |
1524 | [OP_CP2_BASIC_MTC2] = rec_cp2_basic_MTC2, | |
1525 | [OP_CP2_BASIC_CTC2] = rec_cp2_basic_CTC2, | |
1526 | }; | |
1527 | ||
1528 | static void rec_SPECIAL(const struct block *block, | |
1529 | const struct opcode *op, u32 pc) | |
1530 | { | |
1531 | lightrec_rec_func_t f = rec_special[op->r.op]; | |
1532 | if (likely(f)) | |
1533 | (*f)(block, op, pc); | |
1534 | else | |
1535 | unknown_opcode(block, op, pc); | |
1536 | } | |
1537 | ||
1538 | static void rec_REGIMM(const struct block *block, | |
1539 | const struct opcode *op, u32 pc) | |
1540 | { | |
1541 | lightrec_rec_func_t f = rec_regimm[op->r.rt]; | |
1542 | if (likely(f)) | |
1543 | (*f)(block, op, pc); | |
1544 | else | |
1545 | unknown_opcode(block, op, pc); | |
1546 | } | |
1547 | ||
1548 | static void rec_CP0(const struct block *block, const struct opcode *op, u32 pc) | |
1549 | { | |
1550 | lightrec_rec_func_t f = rec_cp0[op->r.rs]; | |
1551 | if (likely(f)) | |
1552 | (*f)(block, op, pc); | |
1553 | else | |
1554 | rec_CP(block, op, pc); | |
1555 | } | |
1556 | ||
1557 | static void rec_CP2(const struct block *block, const struct opcode *op, u32 pc) | |
1558 | { | |
1559 | if (op->r.op == OP_CP2_BASIC) { | |
1560 | lightrec_rec_func_t f = rec_cp2_basic[op->r.rs]; | |
1561 | if (likely(f)) { | |
1562 | (*f)(block, op, pc); | |
1563 | return; | |
1564 | } | |
1565 | } | |
1566 | ||
1567 | rec_CP(block, op, pc); | |
1568 | } | |
1569 | ||
1570 | void lightrec_rec_opcode(const struct block *block, | |
1571 | const struct opcode *op, u32 pc) | |
1572 | { | |
1573 | lightrec_rec_func_t f = rec_standard[op->i.op]; | |
1574 | if (likely(f)) | |
1575 | (*f)(block, op, pc); | |
1576 | else | |
1577 | unknown_opcode(block, op, pc); | |
1578 | } |