57871462 |
1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
c6c3b1b3 |
2 | * Mupen64plus/PCSX - assem_arm.c * |
20d507ba |
3 | * Copyright (C) 2009-2011 Ari64 * |
2a014d73 |
4 | * Copyright (C) 2010-2021 GraÅžvydas "notaz" Ignotas * |
57871462 |
5 | * * |
6 | * This program is free software; you can redistribute it and/or modify * |
7 | * it under the terms of the GNU General Public License as published by * |
8 | * the Free Software Foundation; either version 2 of the License, or * |
9 | * (at your option) any later version. * |
10 | * * |
11 | * This program is distributed in the hope that it will be useful, * |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
14 | * GNU General Public License for more details. * |
15 | * * |
16 | * You should have received a copy of the GNU General Public License * |
17 | * along with this program; if not, write to the * |
18 | * Free Software Foundation, Inc., * |
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
20 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
21 | |
6c0eefaf |
22 | #define FLAGLESS |
23 | #include "../gte.h" |
24 | #undef FLAGLESS |
054175e9 |
25 | #include "../gte_arm.h" |
26 | #include "../gte_neon.h" |
27 | #include "pcnt.h" |
665f33e1 |
28 | #include "arm_features.h" |
054175e9 |
29 | |
e2b5e7aa |
30 | #define unused __attribute__((unused)) |
31 | |
dd114d7d |
32 | #ifdef DRC_DBG |
33 | #pragma GCC diagnostic ignored "-Wunused-function" |
34 | #pragma GCC diagnostic ignored "-Wunused-variable" |
35 | #pragma GCC diagnostic ignored "-Wunused-but-set-variable" |
36 | #endif |
37 | |
57871462 |
38 | void indirect_jump_indexed(); |
39 | void indirect_jump(); |
40 | void do_interrupt(); |
41 | void jump_vaddr_r0(); |
42 | void jump_vaddr_r1(); |
43 | void jump_vaddr_r2(); |
44 | void jump_vaddr_r3(); |
45 | void jump_vaddr_r4(); |
46 | void jump_vaddr_r5(); |
47 | void jump_vaddr_r6(); |
48 | void jump_vaddr_r7(); |
49 | void jump_vaddr_r8(); |
50 | void jump_vaddr_r9(); |
51 | void jump_vaddr_r10(); |
52 | void jump_vaddr_r12(); |
53 | |
b14b6a8f |
54 | void * const jump_vaddr_reg[16] = { |
55 | jump_vaddr_r0, |
56 | jump_vaddr_r1, |
57 | jump_vaddr_r2, |
58 | jump_vaddr_r3, |
59 | jump_vaddr_r4, |
60 | jump_vaddr_r5, |
61 | jump_vaddr_r6, |
62 | jump_vaddr_r7, |
63 | jump_vaddr_r8, |
64 | jump_vaddr_r9, |
65 | jump_vaddr_r10, |
57871462 |
66 | 0, |
b14b6a8f |
67 | jump_vaddr_r12, |
57871462 |
68 | 0, |
69 | 0, |
b14b6a8f |
70 | 0 |
71 | }; |
57871462 |
72 | |
0bbd1454 |
73 | void invalidate_addr_r0(); |
74 | void invalidate_addr_r1(); |
75 | void invalidate_addr_r2(); |
76 | void invalidate_addr_r3(); |
77 | void invalidate_addr_r4(); |
78 | void invalidate_addr_r5(); |
79 | void invalidate_addr_r6(); |
80 | void invalidate_addr_r7(); |
81 | void invalidate_addr_r8(); |
82 | void invalidate_addr_r9(); |
83 | void invalidate_addr_r10(); |
84 | void invalidate_addr_r12(); |
85 | |
86 | const u_int invalidate_addr_reg[16] = { |
87 | (int)invalidate_addr_r0, |
88 | (int)invalidate_addr_r1, |
89 | (int)invalidate_addr_r2, |
90 | (int)invalidate_addr_r3, |
91 | (int)invalidate_addr_r4, |
92 | (int)invalidate_addr_r5, |
93 | (int)invalidate_addr_r6, |
94 | (int)invalidate_addr_r7, |
95 | (int)invalidate_addr_r8, |
96 | (int)invalidate_addr_r9, |
97 | (int)invalidate_addr_r10, |
98 | 0, |
99 | (int)invalidate_addr_r12, |
100 | 0, |
101 | 0, |
102 | 0}; |
103 | |
57871462 |
104 | /* Linker */ |
105 | |
df4dc2b1 |
106 | static void set_jump_target(void *addr, void *target_) |
57871462 |
107 | { |
df4dc2b1 |
108 | u_int target = (u_int)target_; |
109 | u_char *ptr = addr; |
57871462 |
110 | u_int *ptr2=(u_int *)ptr; |
111 | if(ptr[3]==0xe2) { |
112 | assert((target-(u_int)ptr2-8)<1024); |
df4dc2b1 |
113 | assert(((uintptr_t)addr&3)==0); |
57871462 |
114 | assert((target&3)==0); |
115 | *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>2)|0xF00; |
df4dc2b1 |
116 | //printf("target=%x addr=%p insn=%x\n",target,addr,*ptr2); |
57871462 |
117 | } |
118 | else if(ptr[3]==0x72) { |
119 | // generated by emit_jno_unlikely |
120 | if((target-(u_int)ptr2-8)<1024) { |
df4dc2b1 |
121 | assert(((uintptr_t)addr&3)==0); |
57871462 |
122 | assert((target&3)==0); |
123 | *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>2)|0xF00; |
124 | } |
125 | else if((target-(u_int)ptr2-8)<4096&&!((target-(u_int)ptr2-8)&15)) { |
df4dc2b1 |
126 | assert(((uintptr_t)addr&3)==0); |
57871462 |
127 | assert((target&3)==0); |
128 | *ptr2=(*ptr2&0xFFFFF000)|((target-(u_int)ptr2-8)>>4)|0xE00; |
129 | } |
130 | else *ptr2=(0x7A000000)|(((target-(u_int)ptr2-8)<<6)>>8); |
131 | } |
132 | else { |
133 | assert((ptr[3]&0x0e)==0xa); |
134 | *ptr2=(*ptr2&0xFF000000)|(((target-(u_int)ptr2-8)<<6)>>8); |
135 | } |
136 | } |
137 | |
138 | // This optionally copies the instruction from the target of the branch into |
139 | // the space before the branch. Works, but the difference in speed is |
140 | // usually insignificant. |
e2b5e7aa |
141 | #if 0 |
142 | static void set_jump_target_fillslot(int addr,u_int target,int copy) |
57871462 |
143 | { |
144 | u_char *ptr=(u_char *)addr; |
145 | u_int *ptr2=(u_int *)ptr; |
146 | assert(!copy||ptr2[-1]==0xe28dd000); |
147 | if(ptr[3]==0xe2) { |
148 | assert(!copy); |
149 | assert((target-(u_int)ptr2-8)<4096); |
150 | *ptr2=(*ptr2&0xFFFFF000)|(target-(u_int)ptr2-8); |
151 | } |
152 | else { |
153 | assert((ptr[3]&0x0e)==0xa); |
154 | u_int target_insn=*(u_int *)target; |
155 | if((target_insn&0x0e100000)==0) { // ALU, no immediate, no flags |
156 | copy=0; |
157 | } |
158 | if((target_insn&0x0c100000)==0x04100000) { // Load |
159 | copy=0; |
160 | } |
161 | if(target_insn&0x08000000) { |
162 | copy=0; |
163 | } |
164 | if(copy) { |
165 | ptr2[-1]=target_insn; |
166 | target+=4; |
167 | } |
168 | *ptr2=(*ptr2&0xFF000000)|(((target-(u_int)ptr2-8)<<6)>>8); |
169 | } |
170 | } |
e2b5e7aa |
171 | #endif |
57871462 |
172 | |
173 | /* Literal pool */ |
e2b5e7aa |
174 | static void add_literal(int addr,int val) |
57871462 |
175 | { |
15776b68 |
176 | assert(literalcount<sizeof(literals)/sizeof(literals[0])); |
57871462 |
177 | literals[literalcount][0]=addr; |
178 | literals[literalcount][1]=val; |
9f51b4b9 |
179 | literalcount++; |
180 | } |
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181 | |
d148d265 |
182 | // from a pointer to external jump stub (which was produced by emit_extjump2) |
183 | // find where the jumping insn is |
184 | static void *find_extjump_insn(void *stub) |
57871462 |
185 | { |
186 | int *ptr=(int *)(stub+4); |
d148d265 |
187 | assert((*ptr&0x0fff0000)==0x059f0000); // ldr rx, [pc, #ofs] |
57871462 |
188 | u_int offset=*ptr&0xfff; |
d148d265 |
189 | void **l_ptr=(void *)ptr+offset+8; |
190 | return *l_ptr; |
57871462 |
191 | } |
192 | |
f968d35d |
193 | // find where external branch is liked to using addr of it's stub: |
194 | // get address that insn one after stub loads (dyna_linker arg1), |
195 | // treat it as a pointer to branch insn, |
196 | // return addr where that branch jumps to |
643aeae3 |
197 | static void *get_pointer(void *stub) |
57871462 |
198 | { |
199 | //printf("get_pointer(%x)\n",(int)stub); |
d148d265 |
200 | int *i_ptr=find_extjump_insn(stub); |
3d680478 |
201 | assert((*i_ptr&0x0f000000)==0x0a000000); // b |
643aeae3 |
202 | return (u_char *)i_ptr+((*i_ptr<<8)>>6)+8; |
57871462 |
203 | } |
204 | |
205 | // Find the "clean" entry point from a "dirty" entry point |
206 | // by skipping past the call to verify_code |
df4dc2b1 |
207 | static void *get_clean_addr(void *addr) |
57871462 |
208 | { |
df4dc2b1 |
209 | signed int *ptr = addr; |
665f33e1 |
210 | #ifndef HAVE_ARMV7 |
57871462 |
211 | ptr+=4; |
212 | #else |
213 | ptr+=6; |
214 | #endif |
215 | if((*ptr&0xFF000000)!=0xeb000000) ptr++; |
216 | assert((*ptr&0xFF000000)==0xeb000000); // bl instruction |
217 | ptr++; |
218 | if((*ptr&0xFF000000)==0xea000000) { |
df4dc2b1 |
219 | return (char *)ptr+((*ptr<<8)>>6)+8; // follow jump |
57871462 |
220 | } |
df4dc2b1 |
221 | return ptr; |
57871462 |
222 | } |
223 | |
3968e69e |
224 | static int verify_dirty(const u_int *ptr) |
57871462 |
225 | { |
665f33e1 |
226 | #ifndef HAVE_ARMV7 |
16c8be17 |
227 | u_int offset; |
57871462 |
228 | // get from literal pool |
15776b68 |
229 | assert((*ptr&0xFFFF0000)==0xe59f0000); |
16c8be17 |
230 | offset=*ptr&0xfff; |
231 | u_int source=*(u_int*)((void *)ptr+offset+8); |
232 | ptr++; |
233 | assert((*ptr&0xFFFF0000)==0xe59f0000); |
234 | offset=*ptr&0xfff; |
235 | u_int copy=*(u_int*)((void *)ptr+offset+8); |
236 | ptr++; |
237 | assert((*ptr&0xFFFF0000)==0xe59f0000); |
238 | offset=*ptr&0xfff; |
239 | u_int len=*(u_int*)((void *)ptr+offset+8); |
240 | ptr++; |
241 | ptr++; |
57871462 |
242 | #else |
243 | // ARMv7 movw/movt |
244 | assert((*ptr&0xFFF00000)==0xe3000000); |
245 | u_int source=(ptr[0]&0xFFF)+((ptr[0]>>4)&0xF000)+((ptr[2]<<16)&0xFFF0000)+((ptr[2]<<12)&0xF0000000); |
246 | u_int copy=(ptr[1]&0xFFF)+((ptr[1]>>4)&0xF000)+((ptr[3]<<16)&0xFFF0000)+((ptr[3]<<12)&0xF0000000); |
247 | u_int len=(ptr[4]&0xFFF)+((ptr[4]>>4)&0xF000); |
248 | ptr+=6; |
249 | #endif |
250 | if((*ptr&0xFF000000)!=0xeb000000) ptr++; |
251 | assert((*ptr&0xFF000000)==0xeb000000); // bl instruction |
57871462 |
252 | //printf("verify_dirty: %x %x %x\n",source,copy,len); |
253 | return !memcmp((void *)source,(void *)copy,len); |
254 | } |
255 | |
256 | // This doesn't necessarily find all clean entry points, just |
257 | // guarantees that it's not dirty |
df4dc2b1 |
258 | static int isclean(void *addr) |
57871462 |
259 | { |
665f33e1 |
260 | #ifndef HAVE_ARMV7 |
581335b0 |
261 | u_int *ptr=((u_int *)addr)+4; |
57871462 |
262 | #else |
581335b0 |
263 | u_int *ptr=((u_int *)addr)+6; |
57871462 |
264 | #endif |
265 | if((*ptr&0xFF000000)!=0xeb000000) ptr++; |
266 | if((*ptr&0xFF000000)!=0xeb000000) return 1; // bl instruction |
267 | if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code) return 0; |
57871462 |
268 | return 1; |
269 | } |
270 | |
4a35de07 |
271 | // get source that block at addr was compiled from (host pointers) |
01d26796 |
272 | static void get_bounds(void *addr, u_char **start, u_char **end) |
57871462 |
273 | { |
643aeae3 |
274 | u_int *ptr = addr; |
665f33e1 |
275 | #ifndef HAVE_ARMV7 |
16c8be17 |
276 | u_int offset; |
57871462 |
277 | // get from literal pool |
15776b68 |
278 | assert((*ptr&0xFFFF0000)==0xe59f0000); |
16c8be17 |
279 | offset=*ptr&0xfff; |
280 | u_int source=*(u_int*)((void *)ptr+offset+8); |
281 | ptr++; |
282 | //assert((*ptr&0xFFFF0000)==0xe59f0000); |
283 | //offset=*ptr&0xfff; |
284 | //u_int copy=*(u_int*)((void *)ptr+offset+8); |
285 | ptr++; |
286 | assert((*ptr&0xFFFF0000)==0xe59f0000); |
287 | offset=*ptr&0xfff; |
288 | u_int len=*(u_int*)((void *)ptr+offset+8); |
289 | ptr++; |
290 | ptr++; |
57871462 |
291 | #else |
292 | // ARMv7 movw/movt |
293 | assert((*ptr&0xFFF00000)==0xe3000000); |
294 | u_int source=(ptr[0]&0xFFF)+((ptr[0]>>4)&0xF000)+((ptr[2]<<16)&0xFFF0000)+((ptr[2]<<12)&0xF0000000); |
295 | //u_int copy=(ptr[1]&0xFFF)+((ptr[1]>>4)&0xF000)+((ptr[3]<<16)&0xFFF0000)+((ptr[3]<<12)&0xF0000000); |
296 | u_int len=(ptr[4]&0xFFF)+((ptr[4]>>4)&0xF000); |
297 | ptr+=6; |
298 | #endif |
299 | if((*ptr&0xFF000000)!=0xeb000000) ptr++; |
300 | assert((*ptr&0xFF000000)==0xeb000000); // bl instruction |
01d26796 |
301 | *start=(u_char *)source; |
302 | *end=(u_char *)source+len; |
57871462 |
303 | } |
304 | |
57871462 |
305 | // Allocate a specific ARM register. |
e2b5e7aa |
306 | static void alloc_arm_reg(struct regstat *cur,int i,signed char reg,int hr) |
57871462 |
307 | { |
308 | int n; |
f776eb14 |
309 | int dirty=0; |
9f51b4b9 |
310 | |
57871462 |
311 | // see if it's already allocated (and dealloc it) |
312 | for(n=0;n<HOST_REGS;n++) |
313 | { |
f776eb14 |
314 | if(n!=EXCLUDE_REG&&cur->regmap[n]==reg) { |
315 | dirty=(cur->dirty>>n)&1; |
316 | cur->regmap[n]=-1; |
317 | } |
57871462 |
318 | } |
9f51b4b9 |
319 | |
57871462 |
320 | cur->regmap[hr]=reg; |
321 | cur->dirty&=~(1<<hr); |
f776eb14 |
322 | cur->dirty|=dirty<<hr; |
57871462 |
323 | cur->isconst&=~(1<<hr); |
324 | } |
325 | |
326 | // Alloc cycle count into dedicated register |
e2b5e7aa |
327 | static void alloc_cc(struct regstat *cur,int i) |
57871462 |
328 | { |
329 | alloc_arm_reg(cur,i,CCREG,HOST_CCREG); |
330 | } |
331 | |
57871462 |
332 | /* Assembler */ |
333 | |
e2b5e7aa |
334 | static unused char regname[16][4] = { |
57871462 |
335 | "r0", |
336 | "r1", |
337 | "r2", |
338 | "r3", |
339 | "r4", |
340 | "r5", |
341 | "r6", |
342 | "r7", |
343 | "r8", |
344 | "r9", |
345 | "r10", |
346 | "fp", |
347 | "r12", |
348 | "sp", |
349 | "lr", |
350 | "pc"}; |
351 | |
e2b5e7aa |
352 | static void output_w32(u_int word) |
57871462 |
353 | { |
354 | *((u_int *)out)=word; |
355 | out+=4; |
356 | } |
e2b5e7aa |
357 | |
358 | static u_int rd_rn_rm(u_int rd, u_int rn, u_int rm) |
57871462 |
359 | { |
360 | assert(rd<16); |
361 | assert(rn<16); |
362 | assert(rm<16); |
363 | return((rn<<16)|(rd<<12)|rm); |
364 | } |
e2b5e7aa |
365 | |
366 | static u_int rd_rn_imm_shift(u_int rd, u_int rn, u_int imm, u_int shift) |
57871462 |
367 | { |
368 | assert(rd<16); |
369 | assert(rn<16); |
370 | assert(imm<256); |
371 | assert((shift&1)==0); |
372 | return((rn<<16)|(rd<<12)|(((32-shift)&30)<<7)|imm); |
373 | } |
e2b5e7aa |
374 | |
375 | static u_int genimm(u_int imm,u_int *encoded) |
57871462 |
376 | { |
c2e3bd42 |
377 | *encoded=0; |
378 | if(imm==0) return 1; |
57871462 |
379 | int i=32; |
380 | while(i>0) |
381 | { |
382 | if(imm<256) { |
383 | *encoded=((i&30)<<7)|imm; |
384 | return 1; |
385 | } |
386 | imm=(imm>>2)|(imm<<30);i-=2; |
387 | } |
388 | return 0; |
389 | } |
e2b5e7aa |
390 | |
391 | static void genimm_checked(u_int imm,u_int *encoded) |
cfbd3c6e |
392 | { |
393 | u_int ret=genimm(imm,encoded); |
394 | assert(ret); |
581335b0 |
395 | (void)ret; |
cfbd3c6e |
396 | } |
e2b5e7aa |
397 | |
398 | static u_int genjmp(u_int addr) |
57871462 |
399 | { |
7c3a5182 |
400 | if (addr < 3) return 0; // a branch that will be patched later |
401 | int offset = addr-(int)out-8; |
402 | if (offset < -33554432 || offset >= 33554432) { |
403 | SysPrintf("genjmp: out of range: %08x\n", offset); |
404 | abort(); |
e80343e2 |
405 | return 0; |
406 | } |
57871462 |
407 | return ((u_int)offset>>2)&0xffffff; |
408 | } |
409 | |
d1e4ebd9 |
410 | static unused void emit_breakpoint(void) |
411 | { |
412 | assem_debug("bkpt #0\n"); |
413 | //output_w32(0xe1200070); |
414 | output_w32(0xe7f001f0); |
415 | } |
416 | |
e2b5e7aa |
417 | static void emit_mov(int rs,int rt) |
57871462 |
418 | { |
419 | assem_debug("mov %s,%s\n",regname[rt],regname[rs]); |
420 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)); |
421 | } |
422 | |
e2b5e7aa |
423 | static void emit_movs(int rs,int rt) |
57871462 |
424 | { |
425 | assem_debug("movs %s,%s\n",regname[rt],regname[rs]); |
426 | output_w32(0xe1b00000|rd_rn_rm(rt,0,rs)); |
427 | } |
428 | |
e2b5e7aa |
429 | static void emit_add(int rs1,int rs2,int rt) |
57871462 |
430 | { |
431 | assem_debug("add %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
432 | output_w32(0xe0800000|rd_rn_rm(rt,rs1,rs2)); |
433 | } |
434 | |
39b71d9a |
435 | static void emit_adds(int rs1,int rs2,int rt) |
436 | { |
437 | assem_debug("adds %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
438 | output_w32(0xe0900000|rd_rn_rm(rt,rs1,rs2)); |
439 | } |
440 | #define emit_adds_ptr emit_adds |
441 | |
e2b5e7aa |
442 | static void emit_adcs(int rs1,int rs2,int rt) |
57871462 |
443 | { |
444 | assem_debug("adcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
445 | output_w32(0xe0b00000|rd_rn_rm(rt,rs1,rs2)); |
446 | } |
447 | |
e2b5e7aa |
448 | static void emit_neg(int rs, int rt) |
57871462 |
449 | { |
450 | assem_debug("rsb %s,%s,#0\n",regname[rt],regname[rs]); |
451 | output_w32(0xe2600000|rd_rn_rm(rt,rs,0)); |
452 | } |
453 | |
e2b5e7aa |
454 | static void emit_sub(int rs1,int rs2,int rt) |
57871462 |
455 | { |
456 | assem_debug("sub %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
457 | output_w32(0xe0400000|rd_rn_rm(rt,rs1,rs2)); |
458 | } |
459 | |
e2b5e7aa |
460 | static void emit_zeroreg(int rt) |
57871462 |
461 | { |
462 | assem_debug("mov %s,#0\n",regname[rt]); |
463 | output_w32(0xe3a00000|rd_rn_rm(rt,0,0)); |
464 | } |
465 | |
e2b5e7aa |
466 | static void emit_loadlp(u_int imm,u_int rt) |
790ee18e |
467 | { |
468 | add_literal((int)out,imm); |
469 | assem_debug("ldr %s,pc+? [=%x]\n",regname[rt],imm); |
470 | output_w32(0xe5900000|rd_rn_rm(rt,15,0)); |
471 | } |
e2b5e7aa |
472 | |
33788798 |
473 | #ifdef HAVE_ARMV7 |
e2b5e7aa |
474 | static void emit_movw(u_int imm,u_int rt) |
790ee18e |
475 | { |
476 | assert(imm<65536); |
477 | assem_debug("movw %s,#%d (0x%x)\n",regname[rt],imm,imm); |
478 | output_w32(0xe3000000|rd_rn_rm(rt,0,0)|(imm&0xfff)|((imm<<4)&0xf0000)); |
479 | } |
e2b5e7aa |
480 | |
481 | static void emit_movt(u_int imm,u_int rt) |
790ee18e |
482 | { |
483 | assem_debug("movt %s,#%d (0x%x)\n",regname[rt],imm&0xffff0000,imm&0xffff0000); |
484 | output_w32(0xe3400000|rd_rn_rm(rt,0,0)|((imm>>16)&0xfff)|((imm>>12)&0xf0000)); |
485 | } |
33788798 |
486 | #endif |
e2b5e7aa |
487 | |
488 | static void emit_movimm(u_int imm,u_int rt) |
790ee18e |
489 | { |
490 | u_int armval; |
491 | if(genimm(imm,&armval)) { |
492 | assem_debug("mov %s,#%d\n",regname[rt],imm); |
493 | output_w32(0xe3a00000|rd_rn_rm(rt,0,0)|armval); |
494 | }else if(genimm(~imm,&armval)) { |
495 | assem_debug("mvn %s,#%d\n",regname[rt],imm); |
496 | output_w32(0xe3e00000|rd_rn_rm(rt,0,0)|armval); |
497 | }else if(imm<65536) { |
665f33e1 |
498 | #ifndef HAVE_ARMV7 |
790ee18e |
499 | assem_debug("mov %s,#%d\n",regname[rt],imm&0xFF00); |
500 | output_w32(0xe3a00000|rd_rn_imm_shift(rt,0,imm>>8,8)); |
501 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF); |
502 | output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
503 | #else |
504 | emit_movw(imm,rt); |
505 | #endif |
506 | }else{ |
665f33e1 |
507 | #ifndef HAVE_ARMV7 |
790ee18e |
508 | emit_loadlp(imm,rt); |
509 | #else |
510 | emit_movw(imm&0x0000FFFF,rt); |
511 | emit_movt(imm&0xFFFF0000,rt); |
512 | #endif |
513 | } |
514 | } |
e2b5e7aa |
515 | |
516 | static void emit_pcreladdr(u_int rt) |
790ee18e |
517 | { |
518 | assem_debug("add %s,pc,#?\n",regname[rt]); |
519 | output_w32(0xe2800000|rd_rn_rm(rt,15,0)); |
520 | } |
521 | |
e2b5e7aa |
522 | static void emit_loadreg(int r, int hr) |
57871462 |
523 | { |
53358c1d |
524 | assert(hr != EXCLUDE_REG); |
525 | if (r == 0) |
57871462 |
526 | emit_zeroreg(hr); |
527 | else { |
33788798 |
528 | void *addr; |
7c3a5182 |
529 | switch (r) { |
530 | //case HIREG: addr = &hi; break; |
531 | //case LOREG: addr = &lo; break; |
33788798 |
532 | case CCREG: addr = &cycle_count; break; |
533 | case CSREG: addr = &Status; break; |
534 | case INVCP: addr = &invc_ptr; break; |
535 | case ROREG: addr = &ram_offset; break; |
536 | default: |
537 | assert(r < 34); |
538 | addr = &psxRegs.GPR.r[r]; |
539 | break; |
7c3a5182 |
540 | } |
33788798 |
541 | u_int offset = (u_char *)addr - (u_char *)&dynarec_local; |
57871462 |
542 | assert(offset<4096); |
6cc8d23c |
543 | assem_debug("ldr %s,fp+%d # r%d\n",regname[hr],offset,r); |
57871462 |
544 | output_w32(0xe5900000|rd_rn_rm(hr,FP,0)|offset); |
545 | } |
546 | } |
e2b5e7aa |
547 | |
548 | static void emit_storereg(int r, int hr) |
57871462 |
549 | { |
53358c1d |
550 | assert(hr != EXCLUDE_REG); |
7c3a5182 |
551 | int addr = (int)&psxRegs.GPR.r[r]; |
552 | switch (r) { |
553 | //case HIREG: addr = &hi; break; |
554 | //case LOREG: addr = &lo; break; |
555 | case CCREG: addr = (int)&cycle_count; break; |
556 | default: assert(r < 34); break; |
557 | } |
57871462 |
558 | u_int offset = addr-(u_int)&dynarec_local; |
559 | assert(offset<4096); |
6cc8d23c |
560 | assem_debug("str %s,fp+%d # r%d\n",regname[hr],offset,r); |
57871462 |
561 | output_w32(0xe5800000|rd_rn_rm(hr,FP,0)|offset); |
562 | } |
563 | |
e2b5e7aa |
564 | static void emit_test(int rs, int rt) |
57871462 |
565 | { |
566 | assem_debug("tst %s,%s\n",regname[rs],regname[rt]); |
567 | output_w32(0xe1100000|rd_rn_rm(0,rs,rt)); |
568 | } |
569 | |
e2b5e7aa |
570 | static void emit_testimm(int rs,int imm) |
57871462 |
571 | { |
572 | u_int armval; |
5a05d80c |
573 | assem_debug("tst %s,#%d\n",regname[rs],imm); |
cfbd3c6e |
574 | genimm_checked(imm,&armval); |
57871462 |
575 | output_w32(0xe3100000|rd_rn_rm(0,rs,0)|armval); |
576 | } |
577 | |
e2b5e7aa |
578 | static void emit_testeqimm(int rs,int imm) |
b9b61529 |
579 | { |
580 | u_int armval; |
581 | assem_debug("tsteq %s,$%d\n",regname[rs],imm); |
cfbd3c6e |
582 | genimm_checked(imm,&armval); |
b9b61529 |
583 | output_w32(0x03100000|rd_rn_rm(0,rs,0)|armval); |
584 | } |
585 | |
e2b5e7aa |
586 | static void emit_not(int rs,int rt) |
57871462 |
587 | { |
588 | assem_debug("mvn %s,%s\n",regname[rt],regname[rs]); |
589 | output_w32(0xe1e00000|rd_rn_rm(rt,0,rs)); |
590 | } |
591 | |
e2b5e7aa |
592 | static void emit_and(u_int rs1,u_int rs2,u_int rt) |
57871462 |
593 | { |
594 | assem_debug("and %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
595 | output_w32(0xe0000000|rd_rn_rm(rt,rs1,rs2)); |
596 | } |
597 | |
e2b5e7aa |
598 | static void emit_or(u_int rs1,u_int rs2,u_int rt) |
57871462 |
599 | { |
600 | assem_debug("orr %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
601 | output_w32(0xe1800000|rd_rn_rm(rt,rs1,rs2)); |
602 | } |
e2b5e7aa |
603 | |
e2b5e7aa |
604 | static void emit_orrshl_imm(u_int rs,u_int imm,u_int rt) |
f70d384d |
605 | { |
606 | assert(rs<16); |
607 | assert(rt<16); |
608 | assert(imm<32); |
609 | assem_debug("orr %s,%s,%s,lsl #%d\n",regname[rt],regname[rt],regname[rs],imm); |
610 | output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|(imm<<7)); |
611 | } |
612 | |
e2b5e7aa |
613 | static void emit_orrshr_imm(u_int rs,u_int imm,u_int rt) |
576bbd8f |
614 | { |
615 | assert(rs<16); |
616 | assert(rt<16); |
617 | assert(imm<32); |
618 | assem_debug("orr %s,%s,%s,lsr #%d\n",regname[rt],regname[rt],regname[rs],imm); |
619 | output_w32(0xe1800020|rd_rn_rm(rt,rt,rs)|(imm<<7)); |
620 | } |
621 | |
e2b5e7aa |
622 | static void emit_xor(u_int rs1,u_int rs2,u_int rt) |
57871462 |
623 | { |
624 | assem_debug("eor %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
625 | output_w32(0xe0200000|rd_rn_rm(rt,rs1,rs2)); |
626 | } |
627 | |
3968e69e |
628 | static void emit_xorsar_imm(u_int rs1,u_int rs2,u_int imm,u_int rt) |
629 | { |
630 | assem_debug("eor %s,%s,%s,asr #%d\n",regname[rt],regname[rs1],regname[rs2],imm); |
631 | output_w32(0xe0200040|rd_rn_rm(rt,rs1,rs2)|(imm<<7)); |
632 | } |
633 | |
e2b5e7aa |
634 | static void emit_addimm(u_int rs,int imm,u_int rt) |
57871462 |
635 | { |
636 | assert(rs<16); |
637 | assert(rt<16); |
638 | if(imm!=0) { |
57871462 |
639 | u_int armval; |
640 | if(genimm(imm,&armval)) { |
641 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rs],imm); |
642 | output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval); |
643 | }else if(genimm(-imm,&armval)) { |
8a0a8423 |
644 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],-imm); |
57871462 |
645 | output_w32(0xe2400000|rd_rn_rm(rt,rs,0)|armval); |
397614d0 |
646 | #ifdef HAVE_ARMV7 |
647 | }else if(rt!=rs&&(u_int)imm<65536) { |
648 | emit_movw(imm&0x0000ffff,rt); |
649 | emit_add(rs,rt,rt); |
650 | }else if(rt!=rs&&(u_int)-imm<65536) { |
651 | emit_movw(-imm&0x0000ffff,rt); |
652 | emit_sub(rs,rt,rt); |
653 | #endif |
654 | }else if((u_int)-imm<65536) { |
57871462 |
655 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],(-imm)&0xFF00); |
656 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF); |
657 | output_w32(0xe2400000|rd_rn_imm_shift(rt,rs,(-imm)>>8,8)); |
658 | output_w32(0xe2400000|rd_rn_imm_shift(rt,rt,(-imm)&0xff,0)); |
397614d0 |
659 | }else { |
660 | do { |
661 | int shift = (ffs(imm) - 1) & ~1; |
662 | int imm8 = imm & (0xff << shift); |
663 | genimm_checked(imm8,&armval); |
664 | assem_debug("add %s,%s,#0x%x\n",regname[rt],regname[rs],imm8); |
665 | output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval); |
666 | rs = rt; |
667 | imm &= ~imm8; |
668 | } |
669 | while (imm != 0); |
57871462 |
670 | } |
671 | } |
672 | else if(rs!=rt) emit_mov(rs,rt); |
673 | } |
674 | |
e2b5e7aa |
675 | static void emit_addimm_and_set_flags(int imm,int rt) |
57871462 |
676 | { |
677 | assert(imm>-65536&&imm<65536); |
678 | u_int armval; |
679 | if(genimm(imm,&armval)) { |
680 | assem_debug("adds %s,%s,#%d\n",regname[rt],regname[rt],imm); |
681 | output_w32(0xe2900000|rd_rn_rm(rt,rt,0)|armval); |
682 | }else if(genimm(-imm,&armval)) { |
683 | assem_debug("subs %s,%s,#%d\n",regname[rt],regname[rt],imm); |
684 | output_w32(0xe2500000|rd_rn_rm(rt,rt,0)|armval); |
685 | }else if(imm<0) { |
686 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF00); |
687 | assem_debug("subs %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF); |
688 | output_w32(0xe2400000|rd_rn_imm_shift(rt,rt,(-imm)>>8,8)); |
689 | output_w32(0xe2500000|rd_rn_imm_shift(rt,rt,(-imm)&0xff,0)); |
690 | }else{ |
691 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF00); |
692 | assem_debug("adds %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF); |
693 | output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm>>8,8)); |
694 | output_w32(0xe2900000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
695 | } |
696 | } |
e2b5e7aa |
697 | |
e2b5e7aa |
698 | static void emit_addnop(u_int r) |
57871462 |
699 | { |
700 | assert(r<16); |
701 | assem_debug("add %s,%s,#0 (nop)\n",regname[r],regname[r]); |
702 | output_w32(0xe2800000|rd_rn_rm(r,r,0)); |
703 | } |
704 | |
e2b5e7aa |
705 | static void emit_andimm(int rs,int imm,int rt) |
57871462 |
706 | { |
707 | u_int armval; |
790ee18e |
708 | if(imm==0) { |
709 | emit_zeroreg(rt); |
710 | }else if(genimm(imm,&armval)) { |
57871462 |
711 | assem_debug("and %s,%s,#%d\n",regname[rt],regname[rs],imm); |
712 | output_w32(0xe2000000|rd_rn_rm(rt,rs,0)|armval); |
713 | }else if(genimm(~imm,&armval)) { |
714 | assem_debug("bic %s,%s,#%d\n",regname[rt],regname[rs],imm); |
715 | output_w32(0xe3c00000|rd_rn_rm(rt,rs,0)|armval); |
716 | }else if(imm==65535) { |
332a4533 |
717 | #ifndef HAVE_ARMV6 |
57871462 |
718 | assem_debug("bic %s,%s,#FF000000\n",regname[rt],regname[rs]); |
719 | output_w32(0xe3c00000|rd_rn_rm(rt,rs,0)|0x4FF); |
720 | assem_debug("bic %s,%s,#00FF0000\n",regname[rt],regname[rt]); |
721 | output_w32(0xe3c00000|rd_rn_rm(rt,rt,0)|0x8FF); |
722 | #else |
723 | assem_debug("uxth %s,%s\n",regname[rt],regname[rs]); |
724 | output_w32(0xe6ff0070|rd_rn_rm(rt,0,rs)); |
725 | #endif |
726 | }else{ |
727 | assert(imm>0&&imm<65535); |
665f33e1 |
728 | #ifndef HAVE_ARMV7 |
57871462 |
729 | assem_debug("mov r14,#%d\n",imm&0xFF00); |
730 | output_w32(0xe3a00000|rd_rn_imm_shift(HOST_TEMPREG,0,imm>>8,8)); |
731 | assem_debug("add r14,r14,#%d\n",imm&0xFF); |
732 | output_w32(0xe2800000|rd_rn_imm_shift(HOST_TEMPREG,HOST_TEMPREG,imm&0xff,0)); |
733 | #else |
734 | emit_movw(imm,HOST_TEMPREG); |
735 | #endif |
736 | assem_debug("and %s,%s,r14\n",regname[rt],regname[rs]); |
737 | output_w32(0xe0000000|rd_rn_rm(rt,rs,HOST_TEMPREG)); |
738 | } |
739 | } |
740 | |
e2b5e7aa |
741 | static void emit_orimm(int rs,int imm,int rt) |
57871462 |
742 | { |
743 | u_int armval; |
790ee18e |
744 | if(imm==0) { |
745 | if(rs!=rt) emit_mov(rs,rt); |
746 | }else if(genimm(imm,&armval)) { |
57871462 |
747 | assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm); |
748 | output_w32(0xe3800000|rd_rn_rm(rt,rs,0)|armval); |
749 | }else{ |
750 | assert(imm>0&&imm<65536); |
751 | assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00); |
752 | assem_debug("orr %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF); |
753 | output_w32(0xe3800000|rd_rn_imm_shift(rt,rs,imm>>8,8)); |
754 | output_w32(0xe3800000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
755 | } |
756 | } |
757 | |
e2b5e7aa |
758 | static void emit_xorimm(int rs,int imm,int rt) |
57871462 |
759 | { |
57871462 |
760 | u_int armval; |
790ee18e |
761 | if(imm==0) { |
762 | if(rs!=rt) emit_mov(rs,rt); |
763 | }else if(genimm(imm,&armval)) { |
57871462 |
764 | assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm); |
765 | output_w32(0xe2200000|rd_rn_rm(rt,rs,0)|armval); |
766 | }else{ |
514ed0d9 |
767 | assert(imm>0&&imm<65536); |
57871462 |
768 | assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00); |
769 | assem_debug("eor %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF); |
770 | output_w32(0xe2200000|rd_rn_imm_shift(rt,rs,imm>>8,8)); |
771 | output_w32(0xe2200000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); |
772 | } |
773 | } |
774 | |
e2b5e7aa |
775 | static void emit_shlimm(int rs,u_int imm,int rt) |
57871462 |
776 | { |
777 | assert(imm>0); |
778 | assert(imm<32); |
779 | //if(imm==1) ... |
780 | assem_debug("lsl %s,%s,#%d\n",regname[rt],regname[rs],imm); |
781 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|(imm<<7)); |
782 | } |
783 | |
e2b5e7aa |
784 | static void emit_lsls_imm(int rs,int imm,int rt) |
c6c3b1b3 |
785 | { |
786 | assert(imm>0); |
787 | assert(imm<32); |
788 | assem_debug("lsls %s,%s,#%d\n",regname[rt],regname[rs],imm); |
789 | output_w32(0xe1b00000|rd_rn_rm(rt,0,rs)|(imm<<7)); |
790 | } |
791 | |
e2b5e7aa |
792 | static unused void emit_lslpls_imm(int rs,int imm,int rt) |
665f33e1 |
793 | { |
794 | assert(imm>0); |
795 | assert(imm<32); |
796 | assem_debug("lslpls %s,%s,#%d\n",regname[rt],regname[rs],imm); |
797 | output_w32(0x51b00000|rd_rn_rm(rt,0,rs)|(imm<<7)); |
798 | } |
799 | |
e2b5e7aa |
800 | static void emit_shrimm(int rs,u_int imm,int rt) |
57871462 |
801 | { |
802 | assert(imm>0); |
803 | assert(imm<32); |
804 | assem_debug("lsr %s,%s,#%d\n",regname[rt],regname[rs],imm); |
805 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7)); |
806 | } |
807 | |
e2b5e7aa |
808 | static void emit_sarimm(int rs,u_int imm,int rt) |
57871462 |
809 | { |
810 | assert(imm>0); |
811 | assert(imm<32); |
812 | assem_debug("asr %s,%s,#%d\n",regname[rt],regname[rs],imm); |
813 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x40|(imm<<7)); |
814 | } |
815 | |
e2b5e7aa |
816 | static void emit_rorimm(int rs,u_int imm,int rt) |
57871462 |
817 | { |
818 | assert(imm>0); |
819 | assert(imm<32); |
820 | assem_debug("ror %s,%s,#%d\n",regname[rt],regname[rs],imm); |
821 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x60|(imm<<7)); |
822 | } |
823 | |
e2b5e7aa |
824 | static void emit_signextend16(int rs,int rt) |
b9b61529 |
825 | { |
332a4533 |
826 | #ifndef HAVE_ARMV6 |
b9b61529 |
827 | emit_shlimm(rs,16,rt); |
828 | emit_sarimm(rt,16,rt); |
829 | #else |
830 | assem_debug("sxth %s,%s\n",regname[rt],regname[rs]); |
831 | output_w32(0xe6bf0070|rd_rn_rm(rt,0,rs)); |
832 | #endif |
833 | } |
834 | |
e2b5e7aa |
835 | static void emit_signextend8(int rs,int rt) |
c6c3b1b3 |
836 | { |
332a4533 |
837 | #ifndef HAVE_ARMV6 |
c6c3b1b3 |
838 | emit_shlimm(rs,24,rt); |
839 | emit_sarimm(rt,24,rt); |
840 | #else |
841 | assem_debug("sxtb %s,%s\n",regname[rt],regname[rs]); |
842 | output_w32(0xe6af0070|rd_rn_rm(rt,0,rs)); |
843 | #endif |
844 | } |
845 | |
e2b5e7aa |
846 | static void emit_shl(u_int rs,u_int shift,u_int rt) |
57871462 |
847 | { |
848 | assert(rs<16); |
849 | assert(rt<16); |
850 | assert(shift<16); |
851 | //if(imm==1) ... |
852 | assem_debug("lsl %s,%s,%s\n",regname[rt],regname[rs],regname[shift]); |
853 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x10|(shift<<8)); |
854 | } |
e2b5e7aa |
855 | |
856 | static void emit_shr(u_int rs,u_int shift,u_int rt) |
57871462 |
857 | { |
858 | assert(rs<16); |
859 | assert(rt<16); |
860 | assert(shift<16); |
861 | assem_debug("lsr %s,%s,%s\n",regname[rt],regname[rs],regname[shift]); |
862 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x30|(shift<<8)); |
863 | } |
e2b5e7aa |
864 | |
865 | static void emit_sar(u_int rs,u_int shift,u_int rt) |
57871462 |
866 | { |
867 | assert(rs<16); |
868 | assert(rt<16); |
869 | assert(shift<16); |
870 | assem_debug("asr %s,%s,%s\n",regname[rt],regname[rs],regname[shift]); |
871 | output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x50|(shift<<8)); |
872 | } |
57871462 |
873 | |
3968e69e |
874 | static unused void emit_orrshl(u_int rs,u_int shift,u_int rt) |
57871462 |
875 | { |
876 | assert(rs<16); |
877 | assert(rt<16); |
878 | assert(shift<16); |
879 | assem_debug("orr %s,%s,%s,lsl %s\n",regname[rt],regname[rt],regname[rs],regname[shift]); |
880 | output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|0x10|(shift<<8)); |
881 | } |
e2b5e7aa |
882 | |
3968e69e |
883 | static unused void emit_orrshr(u_int rs,u_int shift,u_int rt) |
57871462 |
884 | { |
885 | assert(rs<16); |
886 | assert(rt<16); |
887 | assert(shift<16); |
888 | assem_debug("orr %s,%s,%s,lsr %s\n",regname[rt],regname[rt],regname[rs],regname[shift]); |
889 | output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|0x30|(shift<<8)); |
890 | } |
891 | |
e2b5e7aa |
892 | static void emit_cmpimm(int rs,int imm) |
57871462 |
893 | { |
894 | u_int armval; |
895 | if(genimm(imm,&armval)) { |
5a05d80c |
896 | assem_debug("cmp %s,#%d\n",regname[rs],imm); |
57871462 |
897 | output_w32(0xe3500000|rd_rn_rm(0,rs,0)|armval); |
898 | }else if(genimm(-imm,&armval)) { |
5a05d80c |
899 | assem_debug("cmn %s,#%d\n",regname[rs],imm); |
57871462 |
900 | output_w32(0xe3700000|rd_rn_rm(0,rs,0)|armval); |
901 | }else if(imm>0) { |
902 | assert(imm<65536); |
57871462 |
903 | emit_movimm(imm,HOST_TEMPREG); |
57871462 |
904 | assem_debug("cmp %s,r14\n",regname[rs]); |
905 | output_w32(0xe1500000|rd_rn_rm(0,rs,HOST_TEMPREG)); |
906 | }else{ |
907 | assert(imm>-65536); |
57871462 |
908 | emit_movimm(-imm,HOST_TEMPREG); |
57871462 |
909 | assem_debug("cmn %s,r14\n",regname[rs]); |
910 | output_w32(0xe1700000|rd_rn_rm(0,rs,HOST_TEMPREG)); |
911 | } |
912 | } |
913 | |
e2b5e7aa |
914 | static void emit_cmovne_imm(int imm,int rt) |
57871462 |
915 | { |
916 | assem_debug("movne %s,#%d\n",regname[rt],imm); |
917 | u_int armval; |
cfbd3c6e |
918 | genimm_checked(imm,&armval); |
57871462 |
919 | output_w32(0x13a00000|rd_rn_rm(rt,0,0)|armval); |
920 | } |
e2b5e7aa |
921 | |
922 | static void emit_cmovl_imm(int imm,int rt) |
57871462 |
923 | { |
924 | assem_debug("movlt %s,#%d\n",regname[rt],imm); |
925 | u_int armval; |
cfbd3c6e |
926 | genimm_checked(imm,&armval); |
57871462 |
927 | output_w32(0xb3a00000|rd_rn_rm(rt,0,0)|armval); |
928 | } |
e2b5e7aa |
929 | |
930 | static void emit_cmovb_imm(int imm,int rt) |
57871462 |
931 | { |
932 | assem_debug("movcc %s,#%d\n",regname[rt],imm); |
933 | u_int armval; |
cfbd3c6e |
934 | genimm_checked(imm,&armval); |
57871462 |
935 | output_w32(0x33a00000|rd_rn_rm(rt,0,0)|armval); |
936 | } |
e2b5e7aa |
937 | |
3968e69e |
938 | static void emit_cmovae_imm(int imm,int rt) |
939 | { |
940 | assem_debug("movcs %s,#%d\n",regname[rt],imm); |
941 | u_int armval; |
942 | genimm_checked(imm,&armval); |
943 | output_w32(0x23a00000|rd_rn_rm(rt,0,0)|armval); |
944 | } |
945 | |
9c997d19 |
946 | static void emit_cmovs_imm(int imm,int rt) |
947 | { |
948 | assem_debug("movmi %s,#%d\n",regname[rt],imm); |
949 | u_int armval; |
950 | genimm_checked(imm,&armval); |
951 | output_w32(0x43a00000|rd_rn_rm(rt,0,0)|armval); |
952 | } |
953 | |
e2b5e7aa |
954 | static void emit_cmovne_reg(int rs,int rt) |
57871462 |
955 | { |
956 | assem_debug("movne %s,%s\n",regname[rt],regname[rs]); |
957 | output_w32(0x11a00000|rd_rn_rm(rt,0,rs)); |
958 | } |
e2b5e7aa |
959 | |
960 | static void emit_cmovl_reg(int rs,int rt) |
57871462 |
961 | { |
962 | assem_debug("movlt %s,%s\n",regname[rt],regname[rs]); |
963 | output_w32(0xb1a00000|rd_rn_rm(rt,0,rs)); |
964 | } |
e2b5e7aa |
965 | |
e3c6bdb5 |
966 | static void emit_cmovb_reg(int rs,int rt) |
967 | { |
968 | assem_debug("movcc %s,%s\n",regname[rt],regname[rs]); |
969 | output_w32(0x31a00000|rd_rn_rm(rt,0,rs)); |
970 | } |
971 | |
e2b5e7aa |
972 | static void emit_cmovs_reg(int rs,int rt) |
57871462 |
973 | { |
974 | assem_debug("movmi %s,%s\n",regname[rt],regname[rs]); |
975 | output_w32(0x41a00000|rd_rn_rm(rt,0,rs)); |
976 | } |
977 | |
e2b5e7aa |
978 | static void emit_slti32(int rs,int imm,int rt) |
57871462 |
979 | { |
980 | if(rs!=rt) emit_zeroreg(rt); |
981 | emit_cmpimm(rs,imm); |
982 | if(rs==rt) emit_movimm(0,rt); |
983 | emit_cmovl_imm(1,rt); |
984 | } |
e2b5e7aa |
985 | |
986 | static void emit_sltiu32(int rs,int imm,int rt) |
57871462 |
987 | { |
988 | if(rs!=rt) emit_zeroreg(rt); |
989 | emit_cmpimm(rs,imm); |
990 | if(rs==rt) emit_movimm(0,rt); |
991 | emit_cmovb_imm(1,rt); |
992 | } |
e2b5e7aa |
993 | |
e2b5e7aa |
994 | static void emit_cmp(int rs,int rt) |
57871462 |
995 | { |
996 | assem_debug("cmp %s,%s\n",regname[rs],regname[rt]); |
997 | output_w32(0xe1500000|rd_rn_rm(0,rs,rt)); |
998 | } |
e2b5e7aa |
999 | |
1000 | static void emit_set_gz32(int rs, int rt) |
57871462 |
1001 | { |
1002 | //assem_debug("set_gz32\n"); |
1003 | emit_cmpimm(rs,1); |
1004 | emit_movimm(1,rt); |
1005 | emit_cmovl_imm(0,rt); |
1006 | } |
e2b5e7aa |
1007 | |
1008 | static void emit_set_nz32(int rs, int rt) |
57871462 |
1009 | { |
1010 | //assem_debug("set_nz32\n"); |
1011 | if(rs!=rt) emit_movs(rs,rt); |
1012 | else emit_test(rs,rs); |
1013 | emit_cmovne_imm(1,rt); |
1014 | } |
e2b5e7aa |
1015 | |
e2b5e7aa |
1016 | static void emit_set_if_less32(int rs1, int rs2, int rt) |
57871462 |
1017 | { |
1018 | //assem_debug("set if less (%%%s,%%%s),%%%s\n",regname[rs1],regname[rs2],regname[rt]); |
1019 | if(rs1!=rt&&rs2!=rt) emit_zeroreg(rt); |
1020 | emit_cmp(rs1,rs2); |
1021 | if(rs1==rt||rs2==rt) emit_movimm(0,rt); |
1022 | emit_cmovl_imm(1,rt); |
1023 | } |
e2b5e7aa |
1024 | |
1025 | static void emit_set_if_carry32(int rs1, int rs2, int rt) |
57871462 |
1026 | { |
1027 | //assem_debug("set if carry (%%%s,%%%s),%%%s\n",regname[rs1],regname[rs2],regname[rt]); |
1028 | if(rs1!=rt&&rs2!=rt) emit_zeroreg(rt); |
1029 | emit_cmp(rs1,rs2); |
1030 | if(rs1==rt||rs2==rt) emit_movimm(0,rt); |
1031 | emit_cmovb_imm(1,rt); |
1032 | } |
e2b5e7aa |
1033 | |
2a014d73 |
1034 | static int can_jump_or_call(const void *a) |
1035 | { |
1036 | intptr_t offset = (u_char *)a - out - 8; |
1037 | return (-33554432 <= offset && offset < 33554432); |
1038 | } |
1039 | |
643aeae3 |
1040 | static void emit_call(const void *a_) |
57871462 |
1041 | { |
643aeae3 |
1042 | int a = (int)a_; |
d1e4ebd9 |
1043 | assem_debug("bl %x (%x+%x)%s\n",a,(int)out,a-(int)out-8,func_name(a_)); |
57871462 |
1044 | u_int offset=genjmp(a); |
1045 | output_w32(0xeb000000|offset); |
1046 | } |
e2b5e7aa |
1047 | |
b14b6a8f |
1048 | static void emit_jmp(const void *a_) |
57871462 |
1049 | { |
b14b6a8f |
1050 | int a = (int)a_; |
d1e4ebd9 |
1051 | assem_debug("b %x (%x+%x)%s\n",a,(int)out,a-(int)out-8,func_name(a_)); |
57871462 |
1052 | u_int offset=genjmp(a); |
1053 | output_w32(0xea000000|offset); |
1054 | } |
e2b5e7aa |
1055 | |
643aeae3 |
1056 | static void emit_jne(const void *a_) |
57871462 |
1057 | { |
643aeae3 |
1058 | int a = (int)a_; |
57871462 |
1059 | assem_debug("bne %x\n",a); |
1060 | u_int offset=genjmp(a); |
1061 | output_w32(0x1a000000|offset); |
1062 | } |
e2b5e7aa |
1063 | |
7c3a5182 |
1064 | static void emit_jeq(const void *a_) |
57871462 |
1065 | { |
7c3a5182 |
1066 | int a = (int)a_; |
57871462 |
1067 | assem_debug("beq %x\n",a); |
1068 | u_int offset=genjmp(a); |
1069 | output_w32(0x0a000000|offset); |
1070 | } |
e2b5e7aa |
1071 | |
7c3a5182 |
1072 | static void emit_js(const void *a_) |
57871462 |
1073 | { |
7c3a5182 |
1074 | int a = (int)a_; |
57871462 |
1075 | assem_debug("bmi %x\n",a); |
1076 | u_int offset=genjmp(a); |
1077 | output_w32(0x4a000000|offset); |
1078 | } |
e2b5e7aa |
1079 | |
7c3a5182 |
1080 | static void emit_jns(const void *a_) |
57871462 |
1081 | { |
7c3a5182 |
1082 | int a = (int)a_; |
57871462 |
1083 | assem_debug("bpl %x\n",a); |
1084 | u_int offset=genjmp(a); |
1085 | output_w32(0x5a000000|offset); |
1086 | } |
e2b5e7aa |
1087 | |
7c3a5182 |
1088 | static void emit_jl(const void *a_) |
57871462 |
1089 | { |
7c3a5182 |
1090 | int a = (int)a_; |
57871462 |
1091 | assem_debug("blt %x\n",a); |
1092 | u_int offset=genjmp(a); |
1093 | output_w32(0xba000000|offset); |
1094 | } |
e2b5e7aa |
1095 | |
7c3a5182 |
1096 | static void emit_jge(const void *a_) |
57871462 |
1097 | { |
7c3a5182 |
1098 | int a = (int)a_; |
57871462 |
1099 | assem_debug("bge %x\n",a); |
1100 | u_int offset=genjmp(a); |
1101 | output_w32(0xaa000000|offset); |
1102 | } |
e2b5e7aa |
1103 | |
7c3a5182 |
1104 | static void emit_jno(const void *a_) |
57871462 |
1105 | { |
7c3a5182 |
1106 | int a = (int)a_; |
57871462 |
1107 | assem_debug("bvc %x\n",a); |
1108 | u_int offset=genjmp(a); |
1109 | output_w32(0x7a000000|offset); |
1110 | } |
e2b5e7aa |
1111 | |
7c3a5182 |
1112 | static void emit_jc(const void *a_) |
57871462 |
1113 | { |
7c3a5182 |
1114 | int a = (int)a_; |
57871462 |
1115 | assem_debug("bcs %x\n",a); |
1116 | u_int offset=genjmp(a); |
1117 | output_w32(0x2a000000|offset); |
1118 | } |
e2b5e7aa |
1119 | |
7c3a5182 |
1120 | static void emit_jcc(const void *a_) |
57871462 |
1121 | { |
b14b6a8f |
1122 | int a = (int)a_; |
57871462 |
1123 | assem_debug("bcc %x\n",a); |
1124 | u_int offset=genjmp(a); |
1125 | output_w32(0x3a000000|offset); |
1126 | } |
1127 | |
3968e69e |
1128 | static unused void emit_callreg(u_int r) |
57871462 |
1129 | { |
c6c3b1b3 |
1130 | assert(r<15); |
1131 | assem_debug("blx %s\n",regname[r]); |
1132 | output_w32(0xe12fff30|r); |
57871462 |
1133 | } |
e2b5e7aa |
1134 | |
1135 | static void emit_jmpreg(u_int r) |
57871462 |
1136 | { |
1137 | assem_debug("mov pc,%s\n",regname[r]); |
1138 | output_w32(0xe1a00000|rd_rn_rm(15,0,r)); |
1139 | } |
1140 | |
be516ebe |
1141 | static void emit_ret(void) |
1142 | { |
1143 | emit_jmpreg(14); |
1144 | } |
1145 | |
e2b5e7aa |
1146 | static void emit_readword_indexed(int offset, int rs, int rt) |
57871462 |
1147 | { |
1148 | assert(offset>-4096&&offset<4096); |
1149 | assem_debug("ldr %s,%s+%d\n",regname[rt],regname[rs],offset); |
1150 | if(offset>=0) { |
1151 | output_w32(0xe5900000|rd_rn_rm(rt,rs,0)|offset); |
1152 | }else{ |
1153 | output_w32(0xe5100000|rd_rn_rm(rt,rs,0)|(-offset)); |
1154 | } |
1155 | } |
e2b5e7aa |
1156 | |
1157 | static void emit_readword_dualindexedx4(int rs1, int rs2, int rt) |
57871462 |
1158 | { |
1159 | assem_debug("ldr %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]); |
1160 | output_w32(0xe7900000|rd_rn_rm(rt,rs1,rs2)|0x100); |
1161 | } |
39b71d9a |
1162 | #define emit_readptr_dualindexedx_ptrlen emit_readword_dualindexedx4 |
1163 | |
1164 | static void emit_ldr_dualindexed(int rs1, int rs2, int rt) |
1165 | { |
1166 | assem_debug("ldr %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1167 | output_w32(0xe7900000|rd_rn_rm(rt,rs1,rs2)); |
1168 | } |
e2b5e7aa |
1169 | |
1170 | static void emit_ldrcc_dualindexed(int rs1, int rs2, int rt) |
c6c3b1b3 |
1171 | { |
1172 | assem_debug("ldrcc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1173 | output_w32(0x37900000|rd_rn_rm(rt,rs1,rs2)); |
1174 | } |
e2b5e7aa |
1175 | |
37387d8b |
1176 | static void emit_ldrb_dualindexed(int rs1, int rs2, int rt) |
1177 | { |
1178 | assem_debug("ldrb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1179 | output_w32(0xe7d00000|rd_rn_rm(rt,rs1,rs2)); |
1180 | } |
1181 | |
e2b5e7aa |
1182 | static void emit_ldrccb_dualindexed(int rs1, int rs2, int rt) |
c6c3b1b3 |
1183 | { |
1184 | assem_debug("ldrccb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1185 | output_w32(0x37d00000|rd_rn_rm(rt,rs1,rs2)); |
1186 | } |
e2b5e7aa |
1187 | |
37387d8b |
1188 | static void emit_ldrsb_dualindexed(int rs1, int rs2, int rt) |
1189 | { |
1190 | assem_debug("ldrsb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1191 | output_w32(0xe19000d0|rd_rn_rm(rt,rs1,rs2)); |
1192 | } |
1193 | |
e2b5e7aa |
1194 | static void emit_ldrccsb_dualindexed(int rs1, int rs2, int rt) |
c6c3b1b3 |
1195 | { |
1196 | assem_debug("ldrccsb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1197 | output_w32(0x319000d0|rd_rn_rm(rt,rs1,rs2)); |
1198 | } |
e2b5e7aa |
1199 | |
37387d8b |
1200 | static void emit_ldrh_dualindexed(int rs1, int rs2, int rt) |
1201 | { |
1202 | assem_debug("ldrh %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1203 | output_w32(0xe19000b0|rd_rn_rm(rt,rs1,rs2)); |
1204 | } |
1205 | |
e2b5e7aa |
1206 | static void emit_ldrcch_dualindexed(int rs1, int rs2, int rt) |
c6c3b1b3 |
1207 | { |
1208 | assem_debug("ldrcch %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1209 | output_w32(0x319000b0|rd_rn_rm(rt,rs1,rs2)); |
1210 | } |
e2b5e7aa |
1211 | |
37387d8b |
1212 | static void emit_ldrsh_dualindexed(int rs1, int rs2, int rt) |
1213 | { |
1214 | assem_debug("ldrsh %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1215 | output_w32(0xe19000f0|rd_rn_rm(rt,rs1,rs2)); |
1216 | } |
1217 | |
e2b5e7aa |
1218 | static void emit_ldrccsh_dualindexed(int rs1, int rs2, int rt) |
c6c3b1b3 |
1219 | { |
1220 | assem_debug("ldrccsh %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1221 | output_w32(0x319000f0|rd_rn_rm(rt,rs1,rs2)); |
37387d8b |
1222 | } |
1223 | |
1224 | static void emit_str_dualindexed(int rs1, int rs2, int rt) |
1225 | { |
1226 | assem_debug("str %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1227 | output_w32(0xe7800000|rd_rn_rm(rt,rs1,rs2)); |
1228 | } |
1229 | |
1230 | static void emit_strb_dualindexed(int rs1, int rs2, int rt) |
1231 | { |
1232 | assem_debug("strb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1233 | output_w32(0xe7c00000|rd_rn_rm(rt,rs1,rs2)); |
1234 | } |
1235 | |
1236 | static void emit_strh_dualindexed(int rs1, int rs2, int rt) |
1237 | { |
1238 | assem_debug("strh %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1239 | output_w32(0xe18000b0|rd_rn_rm(rt,rs1,rs2)); |
c6c3b1b3 |
1240 | } |
e2b5e7aa |
1241 | |
e2b5e7aa |
1242 | static void emit_movsbl_indexed(int offset, int rs, int rt) |
57871462 |
1243 | { |
1244 | assert(offset>-256&&offset<256); |
1245 | assem_debug("ldrsb %s,%s+%d\n",regname[rt],regname[rs],offset); |
1246 | if(offset>=0) { |
1247 | output_w32(0xe1d000d0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
1248 | }else{ |
1249 | output_w32(0xe15000d0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
1250 | } |
1251 | } |
e2b5e7aa |
1252 | |
e2b5e7aa |
1253 | static void emit_movswl_indexed(int offset, int rs, int rt) |
57871462 |
1254 | { |
1255 | assert(offset>-256&&offset<256); |
1256 | assem_debug("ldrsh %s,%s+%d\n",regname[rt],regname[rs],offset); |
1257 | if(offset>=0) { |
1258 | output_w32(0xe1d000f0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
1259 | }else{ |
1260 | output_w32(0xe15000f0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
1261 | } |
1262 | } |
e2b5e7aa |
1263 | |
1264 | static void emit_movzbl_indexed(int offset, int rs, int rt) |
57871462 |
1265 | { |
1266 | assert(offset>-4096&&offset<4096); |
1267 | assem_debug("ldrb %s,%s+%d\n",regname[rt],regname[rs],offset); |
1268 | if(offset>=0) { |
1269 | output_w32(0xe5d00000|rd_rn_rm(rt,rs,0)|offset); |
1270 | }else{ |
1271 | output_w32(0xe5500000|rd_rn_rm(rt,rs,0)|(-offset)); |
1272 | } |
1273 | } |
e2b5e7aa |
1274 | |
e2b5e7aa |
1275 | static void emit_movzwl_indexed(int offset, int rs, int rt) |
57871462 |
1276 | { |
1277 | assert(offset>-256&&offset<256); |
1278 | assem_debug("ldrh %s,%s+%d\n",regname[rt],regname[rs],offset); |
1279 | if(offset>=0) { |
1280 | output_w32(0xe1d000b0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
1281 | }else{ |
1282 | output_w32(0xe15000b0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
1283 | } |
1284 | } |
e2b5e7aa |
1285 | |
054175e9 |
1286 | static void emit_ldrd(int offset, int rs, int rt) |
1287 | { |
1288 | assert(offset>-256&&offset<256); |
1289 | assem_debug("ldrd %s,%s+%d\n",regname[rt],regname[rs],offset); |
1290 | if(offset>=0) { |
1291 | output_w32(0xe1c000d0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
1292 | }else{ |
1293 | output_w32(0xe14000d0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
1294 | } |
1295 | } |
e2b5e7aa |
1296 | |
643aeae3 |
1297 | static void emit_readword(void *addr, int rt) |
57871462 |
1298 | { |
643aeae3 |
1299 | uintptr_t offset = (u_char *)addr - (u_char *)&dynarec_local; |
57871462 |
1300 | assert(offset<4096); |
1301 | assem_debug("ldr %s,fp+%d\n",regname[rt],offset); |
1302 | output_w32(0xe5900000|rd_rn_rm(rt,FP,0)|offset); |
1303 | } |
39b71d9a |
1304 | #define emit_readptr emit_readword |
e2b5e7aa |
1305 | |
e2b5e7aa |
1306 | static void emit_writeword_indexed(int rt, int offset, int rs) |
57871462 |
1307 | { |
1308 | assert(offset>-4096&&offset<4096); |
1309 | assem_debug("str %s,%s+%d\n",regname[rt],regname[rs],offset); |
1310 | if(offset>=0) { |
1311 | output_w32(0xe5800000|rd_rn_rm(rt,rs,0)|offset); |
1312 | }else{ |
1313 | output_w32(0xe5000000|rd_rn_rm(rt,rs,0)|(-offset)); |
1314 | } |
1315 | } |
e2b5e7aa |
1316 | |
e2b5e7aa |
1317 | static void emit_writehword_indexed(int rt, int offset, int rs) |
57871462 |
1318 | { |
1319 | assert(offset>-256&&offset<256); |
1320 | assem_debug("strh %s,%s+%d\n",regname[rt],regname[rs],offset); |
1321 | if(offset>=0) { |
1322 | output_w32(0xe1c000b0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf)); |
1323 | }else{ |
1324 | output_w32(0xe14000b0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf)); |
1325 | } |
1326 | } |
e2b5e7aa |
1327 | |
1328 | static void emit_writebyte_indexed(int rt, int offset, int rs) |
57871462 |
1329 | { |
1330 | assert(offset>-4096&&offset<4096); |
1331 | assem_debug("strb %s,%s+%d\n",regname[rt],regname[rs],offset); |
1332 | if(offset>=0) { |
1333 | output_w32(0xe5c00000|rd_rn_rm(rt,rs,0)|offset); |
1334 | }else{ |
1335 | output_w32(0xe5400000|rd_rn_rm(rt,rs,0)|(-offset)); |
1336 | } |
1337 | } |
e2b5e7aa |
1338 | |
e2b5e7aa |
1339 | static void emit_strcc_dualindexed(int rs1, int rs2, int rt) |
b96d3df7 |
1340 | { |
1341 | assem_debug("strcc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1342 | output_w32(0x37800000|rd_rn_rm(rt,rs1,rs2)); |
1343 | } |
e2b5e7aa |
1344 | |
1345 | static void emit_strccb_dualindexed(int rs1, int rs2, int rt) |
b96d3df7 |
1346 | { |
1347 | assem_debug("strccb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1348 | output_w32(0x37c00000|rd_rn_rm(rt,rs1,rs2)); |
1349 | } |
e2b5e7aa |
1350 | |
1351 | static void emit_strcch_dualindexed(int rs1, int rs2, int rt) |
b96d3df7 |
1352 | { |
1353 | assem_debug("strcch %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1354 | output_w32(0x318000b0|rd_rn_rm(rt,rs1,rs2)); |
1355 | } |
e2b5e7aa |
1356 | |
643aeae3 |
1357 | static void emit_writeword(int rt, void *addr) |
57871462 |
1358 | { |
643aeae3 |
1359 | uintptr_t offset = (u_char *)addr - (u_char *)&dynarec_local; |
57871462 |
1360 | assert(offset<4096); |
1361 | assem_debug("str %s,fp+%d\n",regname[rt],offset); |
1362 | output_w32(0xe5800000|rd_rn_rm(rt,FP,0)|offset); |
1363 | } |
e2b5e7aa |
1364 | |
e2b5e7aa |
1365 | static void emit_umull(u_int rs1, u_int rs2, u_int hi, u_int lo) |
57871462 |
1366 | { |
1367 | assem_debug("umull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]); |
1368 | assert(rs1<16); |
1369 | assert(rs2<16); |
1370 | assert(hi<16); |
1371 | assert(lo<16); |
1372 | output_w32(0xe0800090|(hi<<16)|(lo<<12)|(rs2<<8)|rs1); |
1373 | } |
e2b5e7aa |
1374 | |
1375 | static void emit_smull(u_int rs1, u_int rs2, u_int hi, u_int lo) |
57871462 |
1376 | { |
1377 | assem_debug("smull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]); |
1378 | assert(rs1<16); |
1379 | assert(rs2<16); |
1380 | assert(hi<16); |
1381 | assert(lo<16); |
1382 | output_w32(0xe0c00090|(hi<<16)|(lo<<12)|(rs2<<8)|rs1); |
1383 | } |
1384 | |
e2b5e7aa |
1385 | static void emit_clz(int rs,int rt) |
57871462 |
1386 | { |
1387 | assem_debug("clz %s,%s\n",regname[rt],regname[rs]); |
1388 | output_w32(0xe16f0f10|rd_rn_rm(rt,0,rs)); |
1389 | } |
1390 | |
e2b5e7aa |
1391 | static void emit_subcs(int rs1,int rs2,int rt) |
57871462 |
1392 | { |
1393 | assem_debug("subcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); |
1394 | output_w32(0x20400000|rd_rn_rm(rt,rs1,rs2)); |
1395 | } |
1396 | |
e2b5e7aa |
1397 | static void emit_shrcc_imm(int rs,u_int imm,int rt) |
57871462 |
1398 | { |
1399 | assert(imm>0); |
1400 | assert(imm<32); |
1401 | assem_debug("lsrcc %s,%s,#%d\n",regname[rt],regname[rs],imm); |
1402 | output_w32(0x31a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7)); |
1403 | } |
1404 | |
e2b5e7aa |
1405 | static void emit_shrne_imm(int rs,u_int imm,int rt) |
b1be1eee |
1406 | { |
1407 | assert(imm>0); |
1408 | assert(imm<32); |
1409 | assem_debug("lsrne %s,%s,#%d\n",regname[rt],regname[rs],imm); |
1410 | output_w32(0x11a00000|rd_rn_rm(rt,0,rs)|0x20|(imm<<7)); |
1411 | } |
1412 | |
e2b5e7aa |
1413 | static void emit_negmi(int rs, int rt) |
57871462 |
1414 | { |
1415 | assem_debug("rsbmi %s,%s,#0\n",regname[rt],regname[rs]); |
1416 | output_w32(0x42600000|rd_rn_rm(rt,rs,0)); |
1417 | } |
1418 | |
e2b5e7aa |
1419 | static void emit_negsmi(int rs, int rt) |
57871462 |
1420 | { |
1421 | assem_debug("rsbsmi %s,%s,#0\n",regname[rt],regname[rs]); |
1422 | output_w32(0x42700000|rd_rn_rm(rt,rs,0)); |
1423 | } |
1424 | |
e2b5e7aa |
1425 | static void emit_bic_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt) |
57871462 |
1426 | { |
1427 | assem_debug("bic %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
1428 | output_w32(0xe1C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8)); |
1429 | } |
1430 | |
e2b5e7aa |
1431 | static void emit_bic_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt) |
57871462 |
1432 | { |
1433 | assem_debug("bic %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]); |
1434 | output_w32(0xe1C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8)); |
1435 | } |
1436 | |
e2b5e7aa |
1437 | static void emit_teq(int rs, int rt) |
57871462 |
1438 | { |
1439 | assem_debug("teq %s,%s\n",regname[rs],regname[rt]); |
1440 | output_w32(0xe1300000|rd_rn_rm(0,rs,rt)); |
1441 | } |
1442 | |
3968e69e |
1443 | static unused void emit_rsbimm(int rs, int imm, int rt) |
57871462 |
1444 | { |
1445 | u_int armval; |
cfbd3c6e |
1446 | genimm_checked(imm,&armval); |
57871462 |
1447 | assem_debug("rsb %s,%s,#%d\n",regname[rt],regname[rs],imm); |
1448 | output_w32(0xe2600000|rd_rn_rm(rt,rs,0)|armval); |
1449 | } |
1450 | |
57871462 |
1451 | // Conditionally select one of two immediates, optimizing for small code size |
1452 | // This will only be called if HAVE_CMOV_IMM is defined |
e2b5e7aa |
1453 | static void emit_cmov2imm_e_ne_compact(int imm1,int imm2,u_int rt) |
57871462 |
1454 | { |
1455 | u_int armval; |
1456 | if(genimm(imm2-imm1,&armval)) { |
1457 | emit_movimm(imm1,rt); |
1458 | assem_debug("addne %s,%s,#%d\n",regname[rt],regname[rt],imm2-imm1); |
1459 | output_w32(0x12800000|rd_rn_rm(rt,rt,0)|armval); |
1460 | }else if(genimm(imm1-imm2,&armval)) { |
1461 | emit_movimm(imm1,rt); |
1462 | assem_debug("subne %s,%s,#%d\n",regname[rt],regname[rt],imm1-imm2); |
1463 | output_w32(0x12400000|rd_rn_rm(rt,rt,0)|armval); |
1464 | } |
1465 | else { |
665f33e1 |
1466 | #ifndef HAVE_ARMV7 |
57871462 |
1467 | emit_movimm(imm1,rt); |
1468 | add_literal((int)out,imm2); |
1469 | assem_debug("ldrne %s,pc+? [=%x]\n",regname[rt],imm2); |
1470 | output_w32(0x15900000|rd_rn_rm(rt,15,0)); |
1471 | #else |
1472 | emit_movw(imm1&0x0000FFFF,rt); |
1473 | if((imm1&0xFFFF)!=(imm2&0xFFFF)) { |
1474 | assem_debug("movwne %s,#%d (0x%x)\n",regname[rt],imm2&0xFFFF,imm2&0xFFFF); |
1475 | output_w32(0x13000000|rd_rn_rm(rt,0,0)|(imm2&0xfff)|((imm2<<4)&0xf0000)); |
1476 | } |
1477 | emit_movt(imm1&0xFFFF0000,rt); |
1478 | if((imm1&0xFFFF0000)!=(imm2&0xFFFF0000)) { |
1479 | assem_debug("movtne %s,#%d (0x%x)\n",regname[rt],imm2&0xffff0000,imm2&0xffff0000); |
1480 | output_w32(0x13400000|rd_rn_rm(rt,0,0)|((imm2>>16)&0xfff)|((imm2>>12)&0xf0000)); |
1481 | } |
1482 | #endif |
1483 | } |
1484 | } |
1485 | |
57871462 |
1486 | // special case for checking invalid_code |
e2b5e7aa |
1487 | static void emit_cmpmem_indexedsr12_reg(int base,int r,int imm) |
57871462 |
1488 | { |
1489 | assert(imm<128&&imm>=0); |
1490 | assert(r>=0&&r<16); |
1491 | assem_debug("ldrb lr,%s,%s lsr #12\n",regname[base],regname[r]); |
1492 | output_w32(0xe7d00000|rd_rn_rm(HOST_TEMPREG,base,r)|0x620); |
1493 | emit_cmpimm(HOST_TEMPREG,imm); |
1494 | } |
1495 | |
e2b5e7aa |
1496 | static void emit_callne(int a) |
0bbd1454 |
1497 | { |
1498 | assem_debug("blne %x\n",a); |
1499 | u_int offset=genjmp(a); |
1500 | output_w32(0x1b000000|offset); |
1501 | } |
1502 | |
57871462 |
1503 | // Used to preload hash table entries |
e2b5e7aa |
1504 | static unused void emit_prefetchreg(int r) |
57871462 |
1505 | { |
1506 | assem_debug("pld %s\n",regname[r]); |
1507 | output_w32(0xf5d0f000|rd_rn_rm(0,r,0)); |
1508 | } |
1509 | |
1510 | // Special case for mini_ht |
e2b5e7aa |
1511 | static void emit_ldreq_indexed(int rs, u_int offset, int rt) |
57871462 |
1512 | { |
1513 | assert(offset<4096); |
1514 | assem_debug("ldreq %s,[%s, #%d]\n",regname[rt],regname[rs],offset); |
1515 | output_w32(0x05900000|rd_rn_rm(rt,rs,0)|offset); |
1516 | } |
1517 | |
e2b5e7aa |
1518 | static void emit_orrne_imm(int rs,int imm,int rt) |
b9b61529 |
1519 | { |
1520 | u_int armval; |
cfbd3c6e |
1521 | genimm_checked(imm,&armval); |
b9b61529 |
1522 | assem_debug("orrne %s,%s,#%d\n",regname[rt],regname[rs],imm); |
1523 | output_w32(0x13800000|rd_rn_rm(rt,rs,0)|armval); |
1524 | } |
1525 | |
e2b5e7aa |
1526 | static unused void emit_addpl_imm(int rs,int imm,int rt) |
665f33e1 |
1527 | { |
1528 | u_int armval; |
1529 | genimm_checked(imm,&armval); |
1530 | assem_debug("addpl %s,%s,#%d\n",regname[rt],regname[rs],imm); |
1531 | output_w32(0x52800000|rd_rn_rm(rt,rs,0)|armval); |
1532 | } |
1533 | |
e2b5e7aa |
1534 | static void emit_jno_unlikely(int a) |
57871462 |
1535 | { |
1536 | //emit_jno(a); |
1537 | assem_debug("addvc pc,pc,#? (%x)\n",/*a-(int)out-8,*/a); |
1538 | output_w32(0x72800000|rd_rn_rm(15,15,0)); |
1539 | } |
1540 | |
054175e9 |
1541 | static void save_regs_all(u_int reglist) |
57871462 |
1542 | { |
054175e9 |
1543 | int i; |
57871462 |
1544 | if(!reglist) return; |
1545 | assem_debug("stmia fp,{"); |
054175e9 |
1546 | for(i=0;i<16;i++) |
1547 | if(reglist&(1<<i)) |
1548 | assem_debug("r%d,",i); |
57871462 |
1549 | assem_debug("}\n"); |
1550 | output_w32(0xe88b0000|reglist); |
1551 | } |
e2b5e7aa |
1552 | |
054175e9 |
1553 | static void restore_regs_all(u_int reglist) |
57871462 |
1554 | { |
054175e9 |
1555 | int i; |
57871462 |
1556 | if(!reglist) return; |
1557 | assem_debug("ldmia fp,{"); |
054175e9 |
1558 | for(i=0;i<16;i++) |
1559 | if(reglist&(1<<i)) |
1560 | assem_debug("r%d,",i); |
57871462 |
1561 | assem_debug("}\n"); |
1562 | output_w32(0xe89b0000|reglist); |
1563 | } |
e2b5e7aa |
1564 | |
054175e9 |
1565 | // Save registers before function call |
1566 | static void save_regs(u_int reglist) |
1567 | { |
4d646738 |
1568 | reglist&=CALLER_SAVE_REGS; // only save the caller-save registers, r0-r3, r12 |
054175e9 |
1569 | save_regs_all(reglist); |
1570 | } |
e2b5e7aa |
1571 | |
054175e9 |
1572 | // Restore registers after function call |
1573 | static void restore_regs(u_int reglist) |
1574 | { |
4d646738 |
1575 | reglist&=CALLER_SAVE_REGS; |
054175e9 |
1576 | restore_regs_all(reglist); |
1577 | } |
57871462 |
1578 | |
57871462 |
1579 | /* Stubs/epilogue */ |
1580 | |
e2b5e7aa |
1581 | static void literal_pool(int n) |
57871462 |
1582 | { |
1583 | if(!literalcount) return; |
1584 | if(n) { |
1585 | if((int)out-literals[0][0]<4096-n) return; |
1586 | } |
1587 | u_int *ptr; |
1588 | int i; |
1589 | for(i=0;i<literalcount;i++) |
1590 | { |
77750690 |
1591 | u_int l_addr=(u_int)out; |
1592 | int j; |
1593 | for(j=0;j<i;j++) { |
1594 | if(literals[j][1]==literals[i][1]) { |
1595 | //printf("dup %08x\n",literals[i][1]); |
1596 | l_addr=literals[j][0]; |
1597 | break; |
1598 | } |
1599 | } |
57871462 |
1600 | ptr=(u_int *)literals[i][0]; |
77750690 |
1601 | u_int offset=l_addr-(u_int)ptr-8; |
57871462 |
1602 | assert(offset<4096); |
1603 | assert(!(offset&3)); |
1604 | *ptr|=offset; |
77750690 |
1605 | if(l_addr==(u_int)out) { |
1606 | literals[i][0]=l_addr; // remember for dupes |
1607 | output_w32(literals[i][1]); |
1608 | } |
57871462 |
1609 | } |
1610 | literalcount=0; |
1611 | } |
1612 | |
e2b5e7aa |
1613 | static void literal_pool_jumpover(int n) |
57871462 |
1614 | { |
1615 | if(!literalcount) return; |
1616 | if(n) { |
1617 | if((int)out-literals[0][0]<4096-n) return; |
1618 | } |
df4dc2b1 |
1619 | void *jaddr = out; |
57871462 |
1620 | emit_jmp(0); |
1621 | literal_pool(0); |
df4dc2b1 |
1622 | set_jump_target(jaddr, out); |
57871462 |
1623 | } |
1624 | |
7c3a5182 |
1625 | // parsed by get_pointer, find_extjump_insn |
1626 | static void emit_extjump2(u_char *addr, u_int target, void *linker) |
57871462 |
1627 | { |
1628 | u_char *ptr=(u_char *)addr; |
1629 | assert((ptr[3]&0x0e)==0xa); |
e2b5e7aa |
1630 | (void)ptr; |
1631 | |
57871462 |
1632 | emit_loadlp(target,0); |
643aeae3 |
1633 | emit_loadlp((u_int)addr,1); |
66ea165f |
1634 | assert(ndrc->translation_cache <= addr && |
1635 | addr < ndrc->translation_cache + sizeof(ndrc->translation_cache)); |
57871462 |
1636 | //assert((target>=0x80000000&&target<0x80800000)||(target>0xA4000000&&target<0xA4001000)); |
1637 | //DEBUG > |
1638 | #ifdef DEBUG_CYCLE_COUNT |
643aeae3 |
1639 | emit_readword(&last_count,ECX); |
57871462 |
1640 | emit_add(HOST_CCREG,ECX,HOST_CCREG); |
643aeae3 |
1641 | emit_readword(&next_interupt,ECX); |
1642 | emit_writeword(HOST_CCREG,&Count); |
57871462 |
1643 | emit_sub(HOST_CCREG,ECX,HOST_CCREG); |
643aeae3 |
1644 | emit_writeword(ECX,&last_count); |
57871462 |
1645 | #endif |
1646 | //DEBUG < |
2a014d73 |
1647 | emit_far_jump(linker); |
57871462 |
1648 | } |
1649 | |
d1e4ebd9 |
1650 | static void check_extjump2(void *src) |
1651 | { |
1652 | u_int *ptr = src; |
1653 | assert((ptr[1] & 0x0fff0000) == 0x059f0000); // ldr rx, [pc, #ofs] |
1654 | (void)ptr; |
1655 | } |
1656 | |
13e35c04 |
1657 | // put rt_val into rt, potentially making use of rs with value rs_val |
1658 | static void emit_movimm_from(u_int rs_val,int rs,u_int rt_val,int rt) |
1659 | { |
8575a877 |
1660 | u_int armval; |
1661 | int diff; |
1662 | if(genimm(rt_val,&armval)) { |
1663 | assem_debug("mov %s,#%d\n",regname[rt],rt_val); |
1664 | output_w32(0xe3a00000|rd_rn_rm(rt,0,0)|armval); |
1665 | return; |
1666 | } |
1667 | if(genimm(~rt_val,&armval)) { |
1668 | assem_debug("mvn %s,#%d\n",regname[rt],rt_val); |
1669 | output_w32(0xe3e00000|rd_rn_rm(rt,0,0)|armval); |
1670 | return; |
1671 | } |
1672 | diff=rt_val-rs_val; |
1673 | if(genimm(diff,&armval)) { |
1674 | assem_debug("add %s,%s,#%d\n",regname[rt],regname[rs],diff); |
1675 | output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval); |
1676 | return; |
1677 | }else if(genimm(-diff,&armval)) { |
1678 | assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],-diff); |
1679 | output_w32(0xe2400000|rd_rn_rm(rt,rs,0)|armval); |
1680 | return; |
1681 | } |
1682 | emit_movimm(rt_val,rt); |
1683 | } |
1684 | |
1685 | // return 1 if above function can do it's job cheaply |
1686 | static int is_similar_value(u_int v1,u_int v2) |
1687 | { |
13e35c04 |
1688 | u_int xs; |
8575a877 |
1689 | int diff; |
1690 | if(v1==v2) return 1; |
1691 | diff=v2-v1; |
1692 | for(xs=diff;xs!=0&&(xs&3)==0;xs>>=2) |
13e35c04 |
1693 | ; |
8575a877 |
1694 | if(xs<0x100) return 1; |
1695 | for(xs=-diff;xs!=0&&(xs&3)==0;xs>>=2) |
1696 | ; |
1697 | if(xs<0x100) return 1; |
1698 | return 0; |
13e35c04 |
1699 | } |
cbbab9cd |
1700 | |
b14b6a8f |
1701 | static void mov_loadtype_adj(enum stub_type type,int rs,int rt) |
b1be1eee |
1702 | { |
1703 | switch(type) { |
1704 | case LOADB_STUB: emit_signextend8(rs,rt); break; |
1705 | case LOADBU_STUB: emit_andimm(rs,0xff,rt); break; |
1706 | case LOADH_STUB: emit_signextend16(rs,rt); break; |
1707 | case LOADHU_STUB: emit_andimm(rs,0xffff,rt); break; |
1708 | case LOADW_STUB: if(rs!=rt) emit_mov(rs,rt); break; |
1709 | default: assert(0); |
1710 | } |
1711 | } |
1712 | |
b1be1eee |
1713 | #include "pcsxmem.h" |
1714 | #include "pcsxmem_inline.c" |
b1be1eee |
1715 | |
e2b5e7aa |
1716 | static void do_readstub(int n) |
57871462 |
1717 | { |
b14b6a8f |
1718 | assem_debug("do_readstub %x\n",start+stubs[n].a*4); |
57871462 |
1719 | literal_pool(256); |
b14b6a8f |
1720 | set_jump_target(stubs[n].addr, out); |
1721 | enum stub_type type=stubs[n].type; |
1722 | int i=stubs[n].a; |
1723 | int rs=stubs[n].b; |
81dbbf4c |
1724 | const struct regstat *i_regs=(struct regstat *)stubs[n].c; |
b14b6a8f |
1725 | u_int reglist=stubs[n].e; |
81dbbf4c |
1726 | const signed char *i_regmap=i_regs->regmap; |
581335b0 |
1727 | int rt; |
cf95b4f0 |
1728 | if(dops[i].itype==C1LS||dops[i].itype==C2LS||dops[i].itype==LOADLR) { |
57871462 |
1729 | rt=get_reg(i_regmap,FTEMP); |
1730 | }else{ |
cf95b4f0 |
1731 | rt=get_reg(i_regmap,dops[i].rt1); |
57871462 |
1732 | } |
1733 | assert(rs>=0); |
df4dc2b1 |
1734 | int r,temp=-1,temp2=HOST_TEMPREG,regs_saved=0; |
1735 | void *restore_jump = NULL; |
c6c3b1b3 |
1736 | reglist|=(1<<rs); |
1737 | for(r=0;r<=12;r++) { |
1738 | if(((1<<r)&0x13ff)&&((1<<r)®list)==0) { |
1739 | temp=r; break; |
1740 | } |
1741 | } |
cf95b4f0 |
1742 | if(rt>=0&&dops[i].rt1!=0) |
c6c3b1b3 |
1743 | reglist&=~(1<<rt); |
1744 | if(temp==-1) { |
1745 | save_regs(reglist); |
1746 | regs_saved=1; |
1747 | temp=(rs==0)?2:0; |
1748 | } |
1749 | if((regs_saved||(reglist&2)==0)&&temp!=1&&rs!=1) |
1750 | temp2=1; |
643aeae3 |
1751 | emit_readword(&mem_rtab,temp); |
c6c3b1b3 |
1752 | emit_shrimm(rs,12,temp2); |
1753 | emit_readword_dualindexedx4(temp,temp2,temp2); |
1754 | emit_lsls_imm(temp2,1,temp2); |
cf95b4f0 |
1755 | if(dops[i].itype==C1LS||dops[i].itype==C2LS||(rt>=0&&dops[i].rt1!=0)) { |
c6c3b1b3 |
1756 | switch(type) { |
1757 | case LOADB_STUB: emit_ldrccsb_dualindexed(temp2,rs,rt); break; |
1758 | case LOADBU_STUB: emit_ldrccb_dualindexed(temp2,rs,rt); break; |
1759 | case LOADH_STUB: emit_ldrccsh_dualindexed(temp2,rs,rt); break; |
1760 | case LOADHU_STUB: emit_ldrcch_dualindexed(temp2,rs,rt); break; |
1761 | case LOADW_STUB: emit_ldrcc_dualindexed(temp2,rs,rt); break; |
b14b6a8f |
1762 | default: assert(0); |
c6c3b1b3 |
1763 | } |
1764 | } |
1765 | if(regs_saved) { |
df4dc2b1 |
1766 | restore_jump=out; |
c6c3b1b3 |
1767 | emit_jcc(0); // jump to reg restore |
1768 | } |
1769 | else |
b14b6a8f |
1770 | emit_jcc(stubs[n].retaddr); // return address |
c6c3b1b3 |
1771 | |
1772 | if(!regs_saved) |
1773 | save_regs(reglist); |
643aeae3 |
1774 | void *handler=NULL; |
c6c3b1b3 |
1775 | if(type==LOADB_STUB||type==LOADBU_STUB) |
643aeae3 |
1776 | handler=jump_handler_read8; |
c6c3b1b3 |
1777 | if(type==LOADH_STUB||type==LOADHU_STUB) |
643aeae3 |
1778 | handler=jump_handler_read16; |
c6c3b1b3 |
1779 | if(type==LOADW_STUB) |
643aeae3 |
1780 | handler=jump_handler_read32; |
1781 | assert(handler); |
b96d3df7 |
1782 | pass_args(rs,temp2); |
c6c3b1b3 |
1783 | int cc=get_reg(i_regmap,CCREG); |
1784 | if(cc<0) |
1785 | emit_loadreg(CCREG,2); |
2330734f |
1786 | emit_addimm(cc<0?2:cc,(int)stubs[n].d,2); |
2a014d73 |
1787 | emit_far_call(handler); |
cf95b4f0 |
1788 | if(dops[i].itype==C1LS||dops[i].itype==C2LS||(rt>=0&&dops[i].rt1!=0)) { |
b1be1eee |
1789 | mov_loadtype_adj(type,0,rt); |
c6c3b1b3 |
1790 | } |
1791 | if(restore_jump) |
df4dc2b1 |
1792 | set_jump_target(restore_jump, out); |
c6c3b1b3 |
1793 | restore_regs(reglist); |
b14b6a8f |
1794 | emit_jmp(stubs[n].retaddr); // return address |
57871462 |
1795 | } |
1796 | |
81dbbf4c |
1797 | static void inline_readstub(enum stub_type type, int i, u_int addr, |
1798 | const signed char regmap[], int target, int adj, u_int reglist) |
57871462 |
1799 | { |
1800 | int rs=get_reg(regmap,target); |
57871462 |
1801 | int rt=get_reg(regmap,target); |
9de8a0c3 |
1802 | if(rs<0) rs=get_reg_temp(regmap); |
57871462 |
1803 | assert(rs>=0); |
2a014d73 |
1804 | u_int is_dynamic; |
687b4580 |
1805 | uintptr_t host_addr = 0; |
643aeae3 |
1806 | void *handler; |
b1be1eee |
1807 | int cc=get_reg(regmap,CCREG); |
2330734f |
1808 | if(pcsx_direct_read(type,addr,adj,cc,target?rs:-1,rt)) |
b1be1eee |
1809 | return; |
643aeae3 |
1810 | handler = get_direct_memhandler(mem_rtab, addr, type, &host_addr); |
1811 | if (handler == NULL) { |
cf95b4f0 |
1812 | if(rt<0||dops[i].rt1==0) |
c6c3b1b3 |
1813 | return; |
13e35c04 |
1814 | if(addr!=host_addr) |
1815 | emit_movimm_from(addr,rs,host_addr,rs); |
c6c3b1b3 |
1816 | switch(type) { |
1817 | case LOADB_STUB: emit_movsbl_indexed(0,rs,rt); break; |
1818 | case LOADBU_STUB: emit_movzbl_indexed(0,rs,rt); break; |
1819 | case LOADH_STUB: emit_movswl_indexed(0,rs,rt); break; |
1820 | case LOADHU_STUB: emit_movzwl_indexed(0,rs,rt); break; |
1821 | case LOADW_STUB: emit_readword_indexed(0,rs,rt); break; |
1822 | default: assert(0); |
1823 | } |
1824 | return; |
1825 | } |
b1be1eee |
1826 | is_dynamic=pcsxmem_is_handler_dynamic(addr); |
1827 | if(is_dynamic) { |
1828 | if(type==LOADB_STUB||type==LOADBU_STUB) |
643aeae3 |
1829 | handler=jump_handler_read8; |
b1be1eee |
1830 | if(type==LOADH_STUB||type==LOADHU_STUB) |
643aeae3 |
1831 | handler=jump_handler_read16; |
b1be1eee |
1832 | if(type==LOADW_STUB) |
643aeae3 |
1833 | handler=jump_handler_read32; |
b1be1eee |
1834 | } |
c6c3b1b3 |
1835 | |
1836 | // call a memhandler |
cf95b4f0 |
1837 | if(rt>=0&&dops[i].rt1!=0) |
c6c3b1b3 |
1838 | reglist&=~(1<<rt); |
1839 | save_regs(reglist); |
1840 | if(target==0) |
1841 | emit_movimm(addr,0); |
1842 | else if(rs!=0) |
1843 | emit_mov(rs,0); |
b1be1eee |
1844 | if(cc<0) |
1845 | emit_loadreg(CCREG,2); |
1846 | if(is_dynamic) { |
1847 | emit_movimm(((u_int *)mem_rtab)[addr>>12]<<1,1); |
2330734f |
1848 | emit_addimm(cc<0?2:cc,adj,2); |
c6c3b1b3 |
1849 | } |
b1be1eee |
1850 | else { |
643aeae3 |
1851 | emit_readword(&last_count,3); |
2330734f |
1852 | emit_addimm(cc<0?2:cc,adj,2); |
b1be1eee |
1853 | emit_add(2,3,2); |
643aeae3 |
1854 | emit_writeword(2,&Count); |
b1be1eee |
1855 | } |
1856 | |
2a014d73 |
1857 | emit_far_call(handler); |
b1be1eee |
1858 | |
cf95b4f0 |
1859 | if(rt>=0&&dops[i].rt1!=0) { |
c6c3b1b3 |
1860 | switch(type) { |
1861 | case LOADB_STUB: emit_signextend8(0,rt); break; |
1862 | case LOADBU_STUB: emit_andimm(0,0xff,rt); break; |
1863 | case LOADH_STUB: emit_signextend16(0,rt); break; |
1864 | case LOADHU_STUB: emit_andimm(0,0xffff,rt); break; |
1865 | case LOADW_STUB: if(rt!=0) emit_mov(0,rt); break; |
1866 | default: assert(0); |
1867 | } |
1868 | } |
1869 | restore_regs(reglist); |
57871462 |
1870 | } |
1871 | |
e2b5e7aa |
1872 | static void do_writestub(int n) |
57871462 |
1873 | { |
b14b6a8f |
1874 | assem_debug("do_writestub %x\n",start+stubs[n].a*4); |
57871462 |
1875 | literal_pool(256); |
b14b6a8f |
1876 | set_jump_target(stubs[n].addr, out); |
1877 | enum stub_type type=stubs[n].type; |
1878 | int i=stubs[n].a; |
1879 | int rs=stubs[n].b; |
81dbbf4c |
1880 | const struct regstat *i_regs=(struct regstat *)stubs[n].c; |
b14b6a8f |
1881 | u_int reglist=stubs[n].e; |
81dbbf4c |
1882 | const signed char *i_regmap=i_regs->regmap; |
581335b0 |
1883 | int rt,r; |
cf95b4f0 |
1884 | if(dops[i].itype==C1LS||dops[i].itype==C2LS) { |
57871462 |
1885 | rt=get_reg(i_regmap,r=FTEMP); |
1886 | }else{ |
cf95b4f0 |
1887 | rt=get_reg(i_regmap,r=dops[i].rs2); |
57871462 |
1888 | } |
1889 | assert(rs>=0); |
1890 | assert(rt>=0); |
b14b6a8f |
1891 | int rtmp,temp=-1,temp2=HOST_TEMPREG,regs_saved=0; |
df4dc2b1 |
1892 | void *restore_jump = NULL; |
b96d3df7 |
1893 | int reglist2=reglist|(1<<rs)|(1<<rt); |
1894 | for(rtmp=0;rtmp<=12;rtmp++) { |
1895 | if(((1<<rtmp)&0x13ff)&&((1<<rtmp)®list2)==0) { |
1896 | temp=rtmp; break; |
1897 | } |
1898 | } |
1899 | if(temp==-1) { |
1900 | save_regs(reglist); |
1901 | regs_saved=1; |
1902 | for(rtmp=0;rtmp<=3;rtmp++) |
1903 | if(rtmp!=rs&&rtmp!=rt) |
1904 | {temp=rtmp;break;} |
1905 | } |
1906 | if((regs_saved||(reglist2&8)==0)&&temp!=3&&rs!=3&&rt!=3) |
1907 | temp2=3; |
643aeae3 |
1908 | emit_readword(&mem_wtab,temp); |
b96d3df7 |
1909 | emit_shrimm(rs,12,temp2); |
1910 | emit_readword_dualindexedx4(temp,temp2,temp2); |
1911 | emit_lsls_imm(temp2,1,temp2); |
1912 | switch(type) { |
1913 | case STOREB_STUB: emit_strccb_dualindexed(temp2,rs,rt); break; |
1914 | case STOREH_STUB: emit_strcch_dualindexed(temp2,rs,rt); break; |
1915 | case STOREW_STUB: emit_strcc_dualindexed(temp2,rs,rt); break; |
1916 | default: assert(0); |
1917 | } |
1918 | if(regs_saved) { |
df4dc2b1 |
1919 | restore_jump=out; |
b96d3df7 |
1920 | emit_jcc(0); // jump to reg restore |
1921 | } |
1922 | else |
b14b6a8f |
1923 | emit_jcc(stubs[n].retaddr); // return address (invcode check) |
b96d3df7 |
1924 | |
1925 | if(!regs_saved) |
1926 | save_regs(reglist); |
643aeae3 |
1927 | void *handler=NULL; |
b96d3df7 |
1928 | switch(type) { |
643aeae3 |
1929 | case STOREB_STUB: handler=jump_handler_write8; break; |
1930 | case STOREH_STUB: handler=jump_handler_write16; break; |
1931 | case STOREW_STUB: handler=jump_handler_write32; break; |
b14b6a8f |
1932 | default: assert(0); |
b96d3df7 |
1933 | } |
643aeae3 |
1934 | assert(handler); |
b96d3df7 |
1935 | pass_args(rs,rt); |
1936 | if(temp2!=3) |
1937 | emit_mov(temp2,3); |
1938 | int cc=get_reg(i_regmap,CCREG); |
1939 | if(cc<0) |
1940 | emit_loadreg(CCREG,2); |
2330734f |
1941 | emit_addimm(cc<0?2:cc,(int)stubs[n].d,2); |
b96d3df7 |
1942 | // returns new cycle_count |
2a014d73 |
1943 | emit_far_call(handler); |
2330734f |
1944 | emit_addimm(0,-(int)stubs[n].d,cc<0?2:cc); |
b96d3df7 |
1945 | if(cc<0) |
1946 | emit_storereg(CCREG,2); |
1947 | if(restore_jump) |
df4dc2b1 |
1948 | set_jump_target(restore_jump, out); |
b96d3df7 |
1949 | restore_regs(reglist); |
b14b6a8f |
1950 | emit_jmp(stubs[n].retaddr); |
57871462 |
1951 | } |
1952 | |
81dbbf4c |
1953 | static void inline_writestub(enum stub_type type, int i, u_int addr, |
1954 | const signed char regmap[], int target, int adj, u_int reglist) |
57871462 |
1955 | { |
9de8a0c3 |
1956 | int rs=get_reg_temp(regmap); |
57871462 |
1957 | int rt=get_reg(regmap,target); |
1958 | assert(rs>=0); |
1959 | assert(rt>=0); |
687b4580 |
1960 | uintptr_t host_addr = 0; |
643aeae3 |
1961 | void *handler = get_direct_memhandler(mem_wtab, addr, type, &host_addr); |
1962 | if (handler == NULL) { |
13e35c04 |
1963 | if(addr!=host_addr) |
1964 | emit_movimm_from(addr,rs,host_addr,rs); |
b96d3df7 |
1965 | switch(type) { |
1966 | case STOREB_STUB: emit_writebyte_indexed(rt,0,rs); break; |
1967 | case STOREH_STUB: emit_writehword_indexed(rt,0,rs); break; |
1968 | case STOREW_STUB: emit_writeword_indexed(rt,0,rs); break; |
1969 | default: assert(0); |
1970 | } |
1971 | return; |
1972 | } |
1973 | |
1974 | // call a memhandler |
1975 | save_regs(reglist); |
13e35c04 |
1976 | pass_args(rs,rt); |
b96d3df7 |
1977 | int cc=get_reg(regmap,CCREG); |
1978 | if(cc<0) |
1979 | emit_loadreg(CCREG,2); |
2330734f |
1980 | emit_addimm(cc<0?2:cc,adj,2); |
643aeae3 |
1981 | emit_movimm((u_int)handler,3); |
b96d3df7 |
1982 | // returns new cycle_count |
2a014d73 |
1983 | emit_far_call(jump_handler_write_h); |
2330734f |
1984 | emit_addimm(0,-adj,cc<0?2:cc); |
b96d3df7 |
1985 | if(cc<0) |
1986 | emit_storereg(CCREG,2); |
1987 | restore_regs(reglist); |
57871462 |
1988 | } |
1989 | |
d1e4ebd9 |
1990 | // this output is parsed by verify_dirty, get_bounds, isclean, get_clean_addr |
3d680478 |
1991 | static void do_dirty_stub_emit_args(u_int arg0, u_int source_len) |
57871462 |
1992 | { |
665f33e1 |
1993 | #ifndef HAVE_ARMV7 |
7c3a5182 |
1994 | emit_loadlp((int)source, 1); |
1995 | emit_loadlp((int)copy, 2); |
3d680478 |
1996 | emit_loadlp(source_len, 3); |
57871462 |
1997 | #else |
7c3a5182 |
1998 | emit_movw(((u_int)source)&0x0000FFFF, 1); |
1999 | emit_movw(((u_int)copy)&0x0000FFFF, 2); |
2000 | emit_movt(((u_int)source)&0xFFFF0000, 1); |
2001 | emit_movt(((u_int)copy)&0xFFFF0000, 2); |
3d680478 |
2002 | emit_movw(source_len, 3); |
57871462 |
2003 | #endif |
7c3a5182 |
2004 | emit_movimm(arg0, 0); |
2005 | } |
2006 | |
3d680478 |
2007 | static void *do_dirty_stub(int i, u_int source_len) |
7c3a5182 |
2008 | { |
2009 | assem_debug("do_dirty_stub %x\n",start+i*4); |
3d680478 |
2010 | do_dirty_stub_emit_args(start + i*4, source_len); |
2a014d73 |
2011 | emit_far_call(verify_code); |
df4dc2b1 |
2012 | void *entry = out; |
57871462 |
2013 | load_regs_entry(i); |
df4dc2b1 |
2014 | if (entry == out) |
2015 | entry = instr_addr[i]; |
57871462 |
2016 | emit_jmp(instr_addr[i]); |
2017 | return entry; |
2018 | } |
2019 | |
57871462 |
2020 | /* Special assem */ |
2021 | |
81dbbf4c |
2022 | static void c2op_prologue(u_int op, int i, const struct regstat *i_regs, u_int reglist) |
054175e9 |
2023 | { |
2024 | save_regs_all(reglist); |
32631e6a |
2025 | cop2_do_stall_check(op, i, i_regs, 0); |
82ed88eb |
2026 | #ifdef PCNT |
81dbbf4c |
2027 | emit_movimm(op, 0); |
2a014d73 |
2028 | emit_far_call(pcnt_gte_start); |
82ed88eb |
2029 | #endif |
81dbbf4c |
2030 | emit_addimm(FP, (u_char *)&psxRegs.CP2D.r[0] - (u_char *)&dynarec_local, 0); // cop2 regs |
054175e9 |
2031 | } |
2032 | |
2033 | static void c2op_epilogue(u_int op,u_int reglist) |
2034 | { |
82ed88eb |
2035 | #ifdef PCNT |
2036 | emit_movimm(op,0); |
2a014d73 |
2037 | emit_far_call(pcnt_gte_end); |
82ed88eb |
2038 | #endif |
054175e9 |
2039 | restore_regs_all(reglist); |
2040 | } |
2041 | |
6c0eefaf |
2042 | static void c2op_call_MACtoIR(int lm,int need_flags) |
2043 | { |
2044 | if(need_flags) |
2a014d73 |
2045 | emit_far_call(lm?gteMACtoIR_lm1:gteMACtoIR_lm0); |
6c0eefaf |
2046 | else |
2a014d73 |
2047 | emit_far_call(lm?gteMACtoIR_lm1_nf:gteMACtoIR_lm0_nf); |
6c0eefaf |
2048 | } |
2049 | |
2050 | static void c2op_call_rgb_func(void *func,int lm,int need_ir,int need_flags) |
2051 | { |
2a014d73 |
2052 | emit_far_call(func); |
6c0eefaf |
2053 | // func is C code and trashes r0 |
2054 | emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0); |
2055 | if(need_flags||need_ir) |
2056 | c2op_call_MACtoIR(lm,need_flags); |
2a014d73 |
2057 | emit_far_call(need_flags?gteMACtoRGB:gteMACtoRGB_nf); |
6c0eefaf |
2058 | } |
2059 | |
81dbbf4c |
2060 | static void c2op_assemble(int i, const struct regstat *i_regs) |
b9b61529 |
2061 | { |
81dbbf4c |
2062 | u_int c2op = source[i] & 0x3f; |
2063 | u_int reglist_full = get_host_reglist(i_regs->regmap); |
2064 | u_int reglist = reglist_full & CALLER_SAVE_REGS; |
2065 | int need_flags, need_ir; |
b9b61529 |
2066 | |
2067 | if (gte_handlers[c2op]!=NULL) { |
bedfea38 |
2068 | need_flags=!(gte_unneeded[i+1]>>63); // +1 because of how liveness detection works |
054175e9 |
2069 | need_ir=(gte_unneeded[i+1]&0xe00)!=0xe00; |
cbbd8dd7 |
2070 | assem_debug("gte op %08x, unneeded %016llx, need_flags %d, need_ir %d\n", |
2071 | source[i],gte_unneeded[i+1],need_flags,need_ir); |
81dbbf4c |
2072 | if(HACK_ENABLED(NDHACK_GTE_NO_FLAGS)) |
0ff8c62c |
2073 | need_flags=0; |
6c0eefaf |
2074 | int shift = (source[i] >> 19) & 1; |
2075 | int lm = (source[i] >> 10) & 1; |
054175e9 |
2076 | switch(c2op) { |
19776aef |
2077 | #ifndef DRC_DBG |
054175e9 |
2078 | case GTE_MVMVA: { |
82336ba3 |
2079 | #ifdef HAVE_ARMV5 |
054175e9 |
2080 | int v = (source[i] >> 15) & 3; |
2081 | int cv = (source[i] >> 13) & 3; |
2082 | int mx = (source[i] >> 17) & 3; |
4d646738 |
2083 | reglist=reglist_full&(CALLER_SAVE_REGS|0xf0); // +{r4-r7} |
81dbbf4c |
2084 | c2op_prologue(c2op,i,i_regs,reglist); |
054175e9 |
2085 | /* r4,r5 = VXYZ(v) packed; r6 = &MX11(mx); r7 = &CV1(cv) */ |
2086 | if(v<3) |
2087 | emit_ldrd(v*8,0,4); |
2088 | else { |
2089 | emit_movzwl_indexed(9*4,0,4); // gteIR |
2090 | emit_movzwl_indexed(10*4,0,6); |
2091 | emit_movzwl_indexed(11*4,0,5); |
2092 | emit_orrshl_imm(6,16,4); |
2093 | } |
2094 | if(mx<3) |
2095 | emit_addimm(0,32*4+mx*8*4,6); |
2096 | else |
643aeae3 |
2097 | emit_readword(&zeromem_ptr,6); |
054175e9 |
2098 | if(cv<3) |
2099 | emit_addimm(0,32*4+(cv*8+5)*4,7); |
2100 | else |
643aeae3 |
2101 | emit_readword(&zeromem_ptr,7); |
054175e9 |
2102 | #ifdef __ARM_NEON__ |
2103 | emit_movimm(source[i],1); // opcode |
2a014d73 |
2104 | emit_far_call(gteMVMVA_part_neon); |
054175e9 |
2105 | if(need_flags) { |
2106 | emit_movimm(lm,1); |
2a014d73 |
2107 | emit_far_call(gteMACtoIR_flags_neon); |
054175e9 |
2108 | } |
2109 | #else |
2110 | if(cv==3&&shift) |
33788798 |
2111 | emit_far_call(gteMVMVA_part_cv3sh12_arm); |
054175e9 |
2112 | else { |
2113 | emit_movimm(shift,1); |
33788798 |
2114 | emit_far_call(need_flags?gteMVMVA_part_arm:gteMVMVA_part_nf_arm); |
054175e9 |
2115 | } |
6c0eefaf |
2116 | if(need_flags||need_ir) |
2117 | c2op_call_MACtoIR(lm,need_flags); |
82336ba3 |
2118 | #endif |
2119 | #else /* if not HAVE_ARMV5 */ |
81dbbf4c |
2120 | c2op_prologue(c2op,i,i_regs,reglist); |
82336ba3 |
2121 | emit_movimm(source[i],1); // opcode |
643aeae3 |
2122 | emit_writeword(1,&psxRegs.code); |
2a014d73 |
2123 | emit_far_call(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]); |
054175e9 |
2124 | #endif |
2125 | break; |
2126 | } |
6c0eefaf |
2127 | case GTE_OP: |
81dbbf4c |
2128 | c2op_prologue(c2op,i,i_regs,reglist); |
2a014d73 |
2129 | emit_far_call(shift?gteOP_part_shift:gteOP_part_noshift); |
6c0eefaf |
2130 | if(need_flags||need_ir) { |
2131 | emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0); |
2132 | c2op_call_MACtoIR(lm,need_flags); |
2133 | } |
2134 | break; |
2135 | case GTE_DPCS: |
81dbbf4c |
2136 | c2op_prologue(c2op,i,i_regs,reglist); |
6c0eefaf |
2137 | c2op_call_rgb_func(shift?gteDPCS_part_shift:gteDPCS_part_noshift,lm,need_ir,need_flags); |
2138 | break; |
2139 | case GTE_INTPL: |
81dbbf4c |
2140 | c2op_prologue(c2op,i,i_regs,reglist); |
6c0eefaf |
2141 | c2op_call_rgb_func(shift?gteINTPL_part_shift:gteINTPL_part_noshift,lm,need_ir,need_flags); |
2142 | break; |
2143 | case GTE_SQR: |
81dbbf4c |
2144 | c2op_prologue(c2op,i,i_regs,reglist); |
2a014d73 |
2145 | emit_far_call(shift?gteSQR_part_shift:gteSQR_part_noshift); |
6c0eefaf |
2146 | if(need_flags||need_ir) { |
2147 | emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0); |
2148 | c2op_call_MACtoIR(lm,need_flags); |
2149 | } |
2150 | break; |
2151 | case GTE_DCPL: |
81dbbf4c |
2152 | c2op_prologue(c2op,i,i_regs,reglist); |
6c0eefaf |
2153 | c2op_call_rgb_func(gteDCPL_part,lm,need_ir,need_flags); |
2154 | break; |
2155 | case GTE_GPF: |
81dbbf4c |
2156 | c2op_prologue(c2op,i,i_regs,reglist); |
6c0eefaf |
2157 | c2op_call_rgb_func(shift?gteGPF_part_shift:gteGPF_part_noshift,lm,need_ir,need_flags); |
2158 | break; |
2159 | case GTE_GPL: |
81dbbf4c |
2160 | c2op_prologue(c2op,i,i_regs,reglist); |
6c0eefaf |
2161 | c2op_call_rgb_func(shift?gteGPL_part_shift:gteGPL_part_noshift,lm,need_ir,need_flags); |
2162 | break; |
19776aef |
2163 | #endif |
054175e9 |
2164 | default: |
81dbbf4c |
2165 | c2op_prologue(c2op,i,i_regs,reglist); |
19776aef |
2166 | #ifdef DRC_DBG |
2167 | emit_movimm(source[i],1); // opcode |
643aeae3 |
2168 | emit_writeword(1,&psxRegs.code); |
19776aef |
2169 | #endif |
2a014d73 |
2170 | emit_far_call(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]); |
054175e9 |
2171 | break; |
2172 | } |
2173 | c2op_epilogue(c2op,reglist); |
2174 | } |
b9b61529 |
2175 | } |
2176 | |
3968e69e |
2177 | static void c2op_ctc2_31_assemble(signed char sl, signed char temp) |
2178 | { |
2179 | //value = value & 0x7ffff000; |
2180 | //if (value & 0x7f87e000) value |= 0x80000000; |
2181 | emit_shrimm(sl,12,temp); |
2182 | emit_shlimm(temp,12,temp); |
2183 | emit_testimm(temp,0x7f000000); |
2184 | emit_testeqimm(temp,0x00870000); |
2185 | emit_testeqimm(temp,0x0000e000); |
2186 | emit_orrne_imm(temp,0x80000000,temp); |
2187 | } |
2188 | |
2189 | static void do_mfc2_31_one(u_int copr,signed char temp) |
2190 | { |
2191 | emit_readword(®_cop2d[copr],temp); |
9c997d19 |
2192 | emit_lsls_imm(temp,16,temp); |
2193 | emit_cmovs_imm(0,temp); |
2194 | emit_cmpimm(temp,0xf80<<16); |
2195 | emit_andimm(temp,0xf80<<16,temp); |
2196 | emit_cmovae_imm(0xf80<<16,temp); |
3968e69e |
2197 | } |
2198 | |
2199 | static void c2op_mfc2_29_assemble(signed char tl, signed char temp) |
2200 | { |
2201 | if (temp < 0) { |
2202 | host_tempreg_acquire(); |
2203 | temp = HOST_TEMPREG; |
2204 | } |
2205 | do_mfc2_31_one(9,temp); |
9c997d19 |
2206 | emit_shrimm(temp,7+16,tl); |
3968e69e |
2207 | do_mfc2_31_one(10,temp); |
9c997d19 |
2208 | emit_orrshr_imm(temp,2+16,tl); |
3968e69e |
2209 | do_mfc2_31_one(11,temp); |
9c997d19 |
2210 | emit_orrshr_imm(temp,-3+16,tl); |
3968e69e |
2211 | emit_writeword(tl,®_cop2d[29]); |
2212 | if (temp == HOST_TEMPREG) |
2213 | host_tempreg_release(); |
2214 | } |
2215 | |
2330734f |
2216 | static void multdiv_assemble_arm(int i, const struct regstat *i_regs) |
57871462 |
2217 | { |
2218 | // case 0x18: MULT |
2219 | // case 0x19: MULTU |
2220 | // case 0x1A: DIV |
2221 | // case 0x1B: DIVU |
2222 | // case 0x1C: DMULT |
2223 | // case 0x1D: DMULTU |
2224 | // case 0x1E: DDIV |
2225 | // case 0x1F: DDIVU |
cf95b4f0 |
2226 | if(dops[i].rs1&&dops[i].rs2) |
57871462 |
2227 | { |
cf95b4f0 |
2228 | if((dops[i].opcode2&4)==0) // 32-bit |
57871462 |
2229 | { |
cf95b4f0 |
2230 | if(dops[i].opcode2==0x18) // MULT |
57871462 |
2231 | { |
cf95b4f0 |
2232 | signed char m1=get_reg(i_regs->regmap,dops[i].rs1); |
2233 | signed char m2=get_reg(i_regs->regmap,dops[i].rs2); |
57871462 |
2234 | signed char hi=get_reg(i_regs->regmap,HIREG); |
2235 | signed char lo=get_reg(i_regs->regmap,LOREG); |
2236 | assert(m1>=0); |
2237 | assert(m2>=0); |
2238 | assert(hi>=0); |
2239 | assert(lo>=0); |
2240 | emit_smull(m1,m2,hi,lo); |
2241 | } |
cf95b4f0 |
2242 | if(dops[i].opcode2==0x19) // MULTU |
57871462 |
2243 | { |
cf95b4f0 |
2244 | signed char m1=get_reg(i_regs->regmap,dops[i].rs1); |
2245 | signed char m2=get_reg(i_regs->regmap,dops[i].rs2); |
57871462 |
2246 | signed char hi=get_reg(i_regs->regmap,HIREG); |
2247 | signed char lo=get_reg(i_regs->regmap,LOREG); |
2248 | assert(m1>=0); |
2249 | assert(m2>=0); |
2250 | assert(hi>=0); |
2251 | assert(lo>=0); |
2252 | emit_umull(m1,m2,hi,lo); |
2253 | } |
cf95b4f0 |
2254 | if(dops[i].opcode2==0x1A) // DIV |
57871462 |
2255 | { |
cf95b4f0 |
2256 | signed char d1=get_reg(i_regs->regmap,dops[i].rs1); |
2257 | signed char d2=get_reg(i_regs->regmap,dops[i].rs2); |
57871462 |
2258 | assert(d1>=0); |
2259 | assert(d2>=0); |
2260 | signed char quotient=get_reg(i_regs->regmap,LOREG); |
2261 | signed char remainder=get_reg(i_regs->regmap,HIREG); |
2262 | assert(quotient>=0); |
2263 | assert(remainder>=0); |
2264 | emit_movs(d1,remainder); |
44a80f6a |
2265 | emit_movimm(0xffffffff,quotient); |
2266 | emit_negmi(quotient,quotient); // .. quotient and .. |
2267 | emit_negmi(remainder,remainder); // .. remainder for div0 case (will be negated back after jump) |
57871462 |
2268 | emit_movs(d2,HOST_TEMPREG); |
7c3a5182 |
2269 | emit_jeq(out+52); // Division by zero |
82336ba3 |
2270 | emit_negsmi(HOST_TEMPREG,HOST_TEMPREG); |
665f33e1 |
2271 | #ifdef HAVE_ARMV5 |
57871462 |
2272 | emit_clz(HOST_TEMPREG,quotient); |
2273 | emit_shl(HOST_TEMPREG,quotient,HOST_TEMPREG); |
665f33e1 |
2274 | #else |
2275 | emit_movimm(0,quotient); |
2276 | emit_addpl_imm(quotient,1,quotient); |
2277 | emit_lslpls_imm(HOST_TEMPREG,1,HOST_TEMPREG); |
7c3a5182 |
2278 | emit_jns(out-2*4); |
665f33e1 |
2279 | #endif |
57871462 |
2280 | emit_orimm(quotient,1<<31,quotient); |
2281 | emit_shr(quotient,quotient,quotient); |
2282 | emit_cmp(remainder,HOST_TEMPREG); |
2283 | emit_subcs(remainder,HOST_TEMPREG,remainder); |
2284 | emit_adcs(quotient,quotient,quotient); |
2285 | emit_shrimm(HOST_TEMPREG,1,HOST_TEMPREG); |
b14b6a8f |
2286 | emit_jcc(out-16); // -4 |
57871462 |
2287 | emit_teq(d1,d2); |
2288 | emit_negmi(quotient,quotient); |
2289 | emit_test(d1,d1); |
2290 | emit_negmi(remainder,remainder); |
2291 | } |
cf95b4f0 |
2292 | if(dops[i].opcode2==0x1B) // DIVU |
57871462 |
2293 | { |
cf95b4f0 |
2294 | signed char d1=get_reg(i_regs->regmap,dops[i].rs1); // dividend |
2295 | signed char d2=get_reg(i_regs->regmap,dops[i].rs2); // divisor |
57871462 |
2296 | assert(d1>=0); |
2297 | assert(d2>=0); |
2298 | signed char quotient=get_reg(i_regs->regmap,LOREG); |
2299 | signed char remainder=get_reg(i_regs->regmap,HIREG); |
2300 | assert(quotient>=0); |
2301 | assert(remainder>=0); |
44a80f6a |
2302 | emit_mov(d1,remainder); |
2303 | emit_movimm(0xffffffff,quotient); // div0 case |
57871462 |
2304 | emit_test(d2,d2); |
7c3a5182 |
2305 | emit_jeq(out+40); // Division by zero |
665f33e1 |
2306 | #ifdef HAVE_ARMV5 |
57871462 |
2307 | emit_clz(d2,HOST_TEMPREG); |
2308 | emit_movimm(1<<31,quotient); |
2309 | emit_shl(d2,HOST_TEMPREG,d2); |
665f33e1 |
2310 | #else |
2311 | emit_movimm(0,HOST_TEMPREG); |
82336ba3 |
2312 | emit_addpl_imm(HOST_TEMPREG,1,HOST_TEMPREG); |
2313 | emit_lslpls_imm(d2,1,d2); |
7c3a5182 |
2314 | emit_jns(out-2*4); |
665f33e1 |
2315 | emit_movimm(1<<31,quotient); |
2316 | #endif |
57871462 |
2317 | emit_shr(quotient,HOST_TEMPREG,quotient); |
2318 | emit_cmp(remainder,d2); |
2319 | emit_subcs(remainder,d2,remainder); |
2320 | emit_adcs(quotient,quotient,quotient); |
2321 | emit_shrcc_imm(d2,1,d2); |
b14b6a8f |
2322 | emit_jcc(out-16); // -4 |
57871462 |
2323 | } |
2324 | } |
2325 | else // 64-bit |
71e490c5 |
2326 | assert(0); |
57871462 |
2327 | } |
2328 | else |
2329 | { |
2330 | // Multiply by zero is zero. |
2331 | // MIPS does not have a divide by zero exception. |
2332 | // The result is undefined, we return zero. |
2333 | signed char hr=get_reg(i_regs->regmap,HIREG); |
2334 | signed char lr=get_reg(i_regs->regmap,LOREG); |
2335 | if(hr>=0) emit_zeroreg(hr); |
2336 | if(lr>=0) emit_zeroreg(lr); |
2337 | } |
2338 | } |
2339 | #define multdiv_assemble multdiv_assemble_arm |
2340 | |
d1e4ebd9 |
2341 | static void do_jump_vaddr(int rs) |
2342 | { |
2a014d73 |
2343 | emit_far_jump(jump_vaddr_reg[rs]); |
d1e4ebd9 |
2344 | } |
2345 | |
e2b5e7aa |
2346 | static void do_preload_rhash(int r) { |
57871462 |
2347 | // Don't need this for ARM. On x86, this puts the value 0xf8 into the |
2348 | // register. On ARM the hash can be done with a single instruction (below) |
2349 | } |
2350 | |
e2b5e7aa |
2351 | static void do_preload_rhtbl(int ht) { |
57871462 |
2352 | emit_addimm(FP,(int)&mini_ht-(int)&dynarec_local,ht); |
2353 | } |
2354 | |
e2b5e7aa |
2355 | static void do_rhash(int rs,int rh) { |
57871462 |
2356 | emit_andimm(rs,0xf8,rh); |
2357 | } |
2358 | |
e2b5e7aa |
2359 | static void do_miniht_load(int ht,int rh) { |
57871462 |
2360 | assem_debug("ldr %s,[%s,%s]!\n",regname[rh],regname[ht],regname[rh]); |
2361 | output_w32(0xe7b00000|rd_rn_rm(rh,ht,rh)); |
2362 | } |
2363 | |
e2b5e7aa |
2364 | static void do_miniht_jump(int rs,int rh,int ht) { |
57871462 |
2365 | emit_cmp(rh,rs); |
2366 | emit_ldreq_indexed(ht,4,15); |
2367 | #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
d1e4ebd9 |
2368 | if(rs!=7) |
2369 | emit_mov(rs,7); |
2370 | rs=7; |
57871462 |
2371 | #endif |
d1e4ebd9 |
2372 | do_jump_vaddr(rs); |
57871462 |
2373 | } |
2374 | |
e2b5e7aa |
2375 | static void do_miniht_insert(u_int return_address,int rt,int temp) { |
665f33e1 |
2376 | #ifndef HAVE_ARMV7 |
57871462 |
2377 | emit_movimm(return_address,rt); // PC into link register |
643aeae3 |
2378 | add_to_linker(out,return_address,1); |
57871462 |
2379 | emit_pcreladdr(temp); |
643aeae3 |
2380 | emit_writeword(rt,&mini_ht[(return_address&0xFF)>>3][0]); |
2381 | emit_writeword(temp,&mini_ht[(return_address&0xFF)>>3][1]); |
57871462 |
2382 | #else |
2383 | emit_movw(return_address&0x0000FFFF,rt); |
643aeae3 |
2384 | add_to_linker(out,return_address,1); |
57871462 |
2385 | emit_pcreladdr(temp); |
643aeae3 |
2386 | emit_writeword(temp,&mini_ht[(return_address&0xFF)>>3][1]); |
57871462 |
2387 | emit_movt(return_address&0xFFFF0000,rt); |
643aeae3 |
2388 | emit_writeword(rt,&mini_ht[(return_address&0xFF)>>3][0]); |
57871462 |
2389 | #endif |
2390 | } |
2391 | |
57871462 |
2392 | // CPU-architecture-specific initialization |
2a014d73 |
2393 | static void arch_init(void) |
2394 | { |
2395 | uintptr_t diff = (u_char *)&ndrc->tramp.f - (u_char *)&ndrc->tramp.ops - 8; |
2396 | struct tramp_insns *ops = ndrc->tramp.ops; |
2397 | size_t i; |
2398 | assert(!(diff & 3)); |
2399 | assert(diff < 0x1000); |
2400 | start_tcache_write(ops, (u_char *)ops + sizeof(ndrc->tramp.ops)); |
2401 | for (i = 0; i < ARRAY_SIZE(ndrc->tramp.ops); i++) |
2402 | ops[i].ldrpc = 0xe5900000 | rd_rn_rm(15,15,0) | diff; // ldr pc, [=val] |
2403 | end_tcache_write(ops, (u_char *)ops + sizeof(ndrc->tramp.ops)); |
57871462 |
2404 | } |
b9b61529 |
2405 | |
2406 | // vim:shiftwidth=2:expandtab |