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c906108c SS |
1 | /* Simulator/Opcode generator for the Hitachi Super-H architecture. |
2 | ||
3 | Written by Steve Chamberlain of Cygnus Support. | |
4 | sac@cygnus.com | |
5 | ||
6 | This file is part of SH sim | |
7 | ||
8 | ||
9 | THIS SOFTWARE IS NOT COPYRIGHTED | |
10 | ||
11 | Cygnus offers the following for use in the public domain. Cygnus | |
12 | makes no warranty with regard to the software or it's performance | |
13 | and the user accepts the software "AS IS" with all faults. | |
14 | ||
15 | CYGNUS DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD TO | |
16 | THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
17 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
18 | ||
19 | */ | |
20 | ||
21 | /* This program generates the opcode table for the assembler and | |
22 | the simulator code | |
23 | ||
24 | -t prints a pretty table for the assembler manual | |
25 | -s generates the simulator code jump table | |
26 | -d generates a define table | |
27 | -x generates the simulator code switch statement | |
28 | default generates the opcode tables | |
29 | ||
30 | */ | |
31 | ||
32 | #include <stdio.h> | |
33 | ||
34 | #define MAX_NR_STUFF 20 | |
35 | ||
36 | typedef struct | |
37 | { | |
38 | char *defs; | |
39 | char *refs; | |
40 | char *name; | |
41 | char *code; | |
42 | char *stuff[MAX_NR_STUFF]; | |
43 | int index; | |
44 | } | |
45 | ||
46 | op; | |
47 | ||
48 | ||
49 | op tab[] = | |
50 | { | |
51 | ||
52 | { "n", "", "add #<imm>,<REG_N>", "0111nnnni8*1....", | |
53 | "R[n] += SEXT(i);", | |
54 | "if (i == 0) {", | |
55 | " UNDEF(n); /* see #ifdef PARANOID */", | |
56 | " break;", | |
57 | "}", | |
58 | }, | |
59 | { "n", "mn", "add <REG_M>,<REG_N>", "0011nnnnmmmm1100", | |
60 | "R[n] += R[m];", | |
61 | }, | |
62 | ||
63 | { "n", "mn", "addc <REG_M>,<REG_N>", "0011nnnnmmmm1110", | |
64 | "ult = R[n] + T;", | |
65 | "SET_SR_T (ult < R[n]);", | |
66 | "R[n] = ult + R[m];", | |
67 | "SET_SR_T (T || (R[n] < ult));", | |
68 | }, | |
69 | ||
70 | { "n", "mn", "addv <REG_M>,<REG_N>", "0011nnnnmmmm1111", | |
71 | "ult = R[n] + R[m];", | |
72 | "SET_SR_T ((~(R[n] ^ R[m]) & (ult ^ R[n])) >> 31);", | |
73 | "R[n] = ult;", | |
74 | }, | |
75 | ||
76 | { "0", "", "and #<imm>,R0", "11001001i8*1....", | |
77 | "R0 &= i;", | |
78 | }, | |
79 | { "n", "nm", "and <REG_M>,<REG_N>", "0010nnnnmmmm1001", | |
80 | "R[n] &= R[m];", | |
81 | }, | |
82 | { "", "0", "and.b #<imm>,@(R0,GBR)", "11001101i8*1....", | |
83 | "MA (1);", | |
84 | "WBAT (GBR + R0, RBAT (GBR + R0) & i);", | |
85 | }, | |
86 | ||
87 | { "", "", "bf <bdisp8>", "10001011i8p1....", | |
88 | "if (!T) {", | |
89 | " nia = PC + 4 + (SEXT(i) * 2);", | |
90 | " cycles += 2;", | |
91 | "}", | |
92 | }, | |
93 | ||
94 | { "", "", "bf.s <bdisp8>", "10001111i8p1....", | |
95 | "if (!T) {", | |
96 | " nia = PC + 4 + (SEXT (i) * 2);", | |
97 | " cycles += 2;", | |
98 | " Delay_Slot (PC + 2);", | |
99 | "}", | |
100 | }, | |
101 | ||
102 | { "", "", "bra <bdisp12>", "1010i12.........", | |
103 | "nia = PC + 4 + (SEXT12 (i) * 2);", | |
104 | "Delay_Slot (PC + 2);", | |
105 | }, | |
106 | ||
107 | { "", "n", "braf <REG_N>", "0000nnnn00100011", | |
108 | "nia = PC + 4 + R[n];", | |
109 | "Delay_Slot (PC + 2);", | |
110 | }, | |
111 | ||
112 | { "", "", "bsr <bdisp12>", "1011i12.........", | |
113 | "PR = PC + 4;", | |
114 | "nia = PC + 4 + (SEXT12 (i) * 2);", | |
115 | "Delay_Slot (PC + 2);", | |
116 | }, | |
117 | ||
118 | { "", "n", "bsrf <REG_N>", "0000nnnn00000011", | |
119 | "PR = PC + 4;", | |
120 | "nia = PC + 4 + R[n];", | |
121 | "Delay_Slot (PC + 2);", | |
122 | }, | |
123 | ||
124 | { "", "", "bt <bdisp8>", "10001001i8p1....", | |
125 | "if (T) {", | |
126 | " nia = PC + 4 + (SEXT (i) * 2);", | |
127 | " cycles += 2;", | |
128 | "}", | |
129 | }, | |
130 | ||
131 | { "", "", "bt.s <bdisp8>", "10001101i8p1....", | |
132 | "if (T) {", | |
133 | " nia = PC + 4 + (SEXT (i) * 2);", | |
134 | " cycles += 2;", | |
135 | " Delay_Slot (PC + 2);", | |
136 | "}", | |
137 | }, | |
138 | ||
139 | { "", "", "clrmac", "0000000000101000", | |
140 | "MACH = 0;", | |
141 | "MACL = 0;", | |
142 | }, | |
143 | ||
144 | { "", "", "clrs", "0000000001001000", | |
145 | "SET_SR_S (0);", | |
146 | }, | |
147 | ||
148 | { "", "", "clrt", "0000000000001000", | |
149 | "SET_SR_T (0);", | |
150 | }, | |
151 | ||
152 | { "", "0", "cmp/eq #<imm>,R0", "10001000i8*1....", | |
153 | "SET_SR_T (R0 == SEXT (i));", | |
154 | }, | |
155 | { "", "mn", "cmp/eq <REG_M>,<REG_N>", "0011nnnnmmmm0000", | |
156 | "SET_SR_T (R[n] == R[m]);", | |
157 | }, | |
158 | { "", "mn", "cmp/ge <REG_M>,<REG_N>", "0011nnnnmmmm0011", | |
159 | "SET_SR_T (R[n] >= R[m]);", | |
160 | }, | |
161 | { "", "mn", "cmp/gt <REG_M>,<REG_N>", "0011nnnnmmmm0111", | |
162 | "SET_SR_T (R[n] > R[m]);", | |
163 | }, | |
164 | { "", "mn", "cmp/hi <REG_M>,<REG_N>", "0011nnnnmmmm0110", | |
165 | "SET_SR_T (UR[n] > UR[m]);", | |
166 | }, | |
167 | { "", "mn", "cmp/hs <REG_M>,<REG_N>", "0011nnnnmmmm0010", | |
168 | "SET_SR_T (UR[n] >= UR[m]);", | |
169 | }, | |
170 | { "", "n", "cmp/pl <REG_N>", "0100nnnn00010101", | |
171 | "SET_SR_T (R[n] > 0);", | |
172 | }, | |
173 | { "", "n", "cmp/pz <REG_N>", "0100nnnn00010001", | |
174 | "SET_SR_T (R[n] >= 0);", | |
175 | }, | |
176 | { "", "mn", "cmp/str <REG_M>,<REG_N>", "0010nnnnmmmm1100", | |
177 | "ult = R[n] ^ R[m];", | |
178 | "SET_SR_T (((ult & 0xff000000) == 0)", | |
179 | " | ((ult & 0xff0000) == 0)", | |
180 | " | ((ult & 0xff00) == 0)", | |
181 | " | ((ult & 0xff) == 0));", | |
182 | }, | |
183 | ||
184 | { "", "mn", "div0s <REG_M>,<REG_N>", "0010nnnnmmmm0111", | |
185 | "SET_SR_Q ((R[n] & sbit) != 0);", | |
186 | "SET_SR_M ((R[m] & sbit) != 0);", | |
187 | "SET_SR_T (M != Q);", | |
188 | }, | |
189 | ||
190 | { "", "", "div0u", "0000000000011001", | |
191 | "SET_SR_M (0);", | |
192 | "SET_SR_Q (0);", | |
193 | "SET_SR_T (0);", | |
194 | }, | |
195 | ||
196 | { "", "", "div1 <REG_M>,<REG_N>", "0011nnnnmmmm0100", | |
197 | "div1 (R, m, n/*, T*/);", | |
198 | }, | |
199 | ||
200 | { "", "nm", "dmuls.l <REG_M>,<REG_N>", "0011nnnnmmmm1101", | |
201 | "dmul (1/*signed*/, R[n], R[m]);", | |
202 | }, | |
203 | ||
204 | { "", "nm", "dmulu.l <REG_M>,<REG_N>", "0011nnnnmmmm0101", | |
205 | "dmul (0/*unsigned*/, R[n], R[m]);", | |
206 | }, | |
207 | ||
208 | { "n", "n", "dt <REG_N>", "0100nnnn00010000", | |
209 | "R[n]--;", | |
210 | "SET_SR_T (R[n] == 0);", | |
211 | }, | |
212 | ||
213 | { "n", "m", "exts.b <REG_M>,<REG_N>", "0110nnnnmmmm1110", | |
214 | "R[n] = SEXT (R[m]);", | |
215 | }, | |
216 | { "n", "m", "exts.w <REG_M>,<REG_N>", "0110nnnnmmmm1111", | |
217 | "R[n] = SEXTW (R[m]);", | |
218 | }, | |
219 | ||
220 | { "n", "m", "extu.b <REG_M>,<REG_N>", "0110nnnnmmmm1100", | |
221 | "R[n] = (R[m] & 0xff);", | |
222 | }, | |
223 | { "n", "m", "extu.w <REG_M>,<REG_N>", "0110nnnnmmmm1101", | |
224 | "R[n] = (R[m] & 0xffff);", | |
225 | }, | |
226 | ||
227 | /* sh3e */ | |
228 | { "", "", "fabs <FREG_N>", "1111nnnn01011101", | |
229 | "FP_UNARY (n, fabs);", | |
230 | "/* FIXME: FR(n) &= 0x7fffffff; */", | |
231 | }, | |
232 | ||
233 | /* sh3e */ | |
234 | { "", "", "fadd <FREG_M>,<FREG_N>", "1111nnnnmmmm0000", | |
235 | "FP_OP (n, +, m);", | |
236 | }, | |
237 | ||
238 | /* sh3e */ | |
239 | { "", "", "fcmp/eq <FREG_M>,<FREG_N>", "1111nnnnmmmm0100", | |
240 | "FP_CMP (n, ==, m);", | |
241 | }, | |
242 | /* sh3e */ | |
243 | { "", "", "fcmp/gt <FREG_M>,<FREG_N>", "1111nnnnmmmm0101", | |
244 | "FP_CMP (n, >, m);", | |
245 | }, | |
246 | ||
7a292a7a SS |
247 | /* sh4 */ |
248 | { "", "", "fcnvds <DR_N>,FPUL", "1111nnnn10111101", | |
249 | "if (! FPSCR_PR || n & 1)", | |
250 | " saved_state.asregs.exception = SIGILL;", | |
251 | "else", | |
252 | "{", | |
253 | " char buf[4];", | |
254 | " *(float *)buf = DR(n);", | |
255 | " FPUL = *(int *)buf;", | |
256 | "}", | |
257 | }, | |
258 | ||
259 | /* sh4 */ | |
260 | { "", "", "fcnvsd FPUL,<DR_N>", "1111nnnn10101101", | |
261 | "if (! FPSCR_PR || n & 1)", | |
262 | " saved_state.asregs.exception = SIGILL;", | |
263 | "else", | |
264 | "{", | |
265 | " char buf[4];", | |
266 | " *(int *)buf = FPUL;", | |
267 | " SET_DR(n, *(float *)buf);", | |
268 | "}", | |
269 | }, | |
270 | ||
c906108c SS |
271 | /* sh3e */ |
272 | { "", "", "fdiv <FREG_M>,<FREG_N>", "1111nnnnmmmm0011", | |
273 | "FP_OP (n, /, m);", | |
274 | "/* FIXME: check for DP and (n & 1) == 0? */", | |
275 | }, | |
276 | ||
7a292a7a SS |
277 | /* sh4 */ |
278 | { "", "", "fipr <FV_M>,<FV_N>", "1111nnmm11101101", | |
279 | "/* FIXME: not implemented */", | |
280 | "saved_state.asregs.exception = SIGILL;", | |
281 | "/* FIXME: check for DP and (n & 1) == 0? */", | |
282 | }, | |
283 | ||
c906108c SS |
284 | /* sh3e */ |
285 | { "", "", "fldi0 <FREG_N>", "1111nnnn10001101", | |
286 | "SET_FR (n, (float)0.0);", | |
287 | "/* FIXME: check for DP and (n & 1) == 0? */", | |
288 | }, | |
289 | ||
290 | /* sh3e */ | |
291 | { "", "", "fldi1 <FREG_N>", "1111nnnn10011101", | |
292 | "SET_FR (n, (float)1.0);", | |
293 | "/* FIXME: check for DP and (n & 1) == 0? */", | |
294 | }, | |
295 | ||
296 | /* sh3e */ | |
297 | { "", "", "flds <FREG_N>,FPUL", "1111nnnn00011101", | |
298 | "char buf[4];", | |
299 | "*(float *)buf = FR(n);", | |
300 | "FPUL = *(int *)buf;", | |
301 | }, | |
302 | ||
303 | /* sh3e */ | |
304 | { "", "", "float FPUL,<FREG_N>", "1111nnnn00101101", | |
7a292a7a SS |
305 | /* sh4 */ |
306 | "if (FPSCR_PR)", | |
307 | " SET_DR (n, (double)FPUL);", | |
308 | "else", | |
c906108c SS |
309 | "{", |
310 | " SET_FR (n, (float)FPUL);", | |
311 | "}", | |
312 | }, | |
313 | ||
314 | /* sh3e */ | |
315 | { "", "", "fmac <FREG_0>,<FREG_M>,<FREG_N>", "1111nnnnmmmm1110", | |
316 | "SET_FR (n, FR(m) * FR(0) + FR(n));", | |
317 | "/* FIXME: check for DP and (n & 1) == 0? */", | |
318 | }, | |
319 | ||
320 | /* sh3e */ | |
321 | { "", "", "fmov <FREG_M>,<FREG_N>", "1111nnnnmmmm1100", | |
7a292a7a SS |
322 | /* sh4 */ |
323 | "if (FPSCR_SZ) {", | |
324 | " int ni = XD_TO_XF (n);", | |
325 | " int mi = XD_TO_XF (m);", | |
326 | " SET_XF (ni + 0, XF (mi + 0));", | |
327 | " SET_XF (ni + 1, XF (mi + 1));", | |
328 | "}", | |
329 | "else", | |
c906108c SS |
330 | "{", |
331 | " SET_FR (n, FR (m));", | |
332 | "}", | |
333 | }, | |
334 | /* sh3e */ | |
335 | { "", "", "fmov.s <FREG_M>,@<REG_N>", "1111nnnnmmmm1010", | |
7a292a7a SS |
336 | /* sh4 */ |
337 | "if (FPSCR_SZ) {", | |
338 | " MA (2);", | |
339 | " WDAT (R[n], m);", | |
340 | "}", | |
341 | "else", | |
c906108c SS |
342 | "{", |
343 | " MA (1);", | |
344 | " WLAT (R[n], FI(m));", | |
345 | "}", | |
346 | }, | |
347 | /* sh3e */ | |
348 | { "", "", "fmov.s @<REG_M>,<FREG_N>", "1111nnnnmmmm1000", | |
7a292a7a SS |
349 | /* sh4 */ |
350 | "if (FPSCR_SZ) {", | |
351 | " MA (2);", | |
352 | " RDAT (R[m], n);", | |
353 | "}", | |
354 | "else", | |
c906108c SS |
355 | "{", |
356 | " MA (1);", | |
357 | " SET_FI(n, RLAT(R[m]));", | |
358 | "}", | |
359 | }, | |
360 | /* sh3e */ | |
361 | { "", "", "fmov.s @<REG_M>+,<FREG_N>", "1111nnnnmmmm1001", | |
7a292a7a SS |
362 | /* sh4 */ |
363 | "if (FPSCR_SZ) {", | |
364 | " MA (2);", | |
365 | " RDAT (R[m], n);", | |
366 | " R[m] += 8;", | |
367 | "}", | |
368 | "else", | |
c906108c SS |
369 | "{", |
370 | " MA (1);", | |
371 | " SET_FI (n, RLAT (R[m]));", | |
372 | " R[m] += 4;", | |
373 | "}", | |
374 | }, | |
375 | /* sh3e */ | |
376 | { "", "", "fmov.s <FREG_M>,@-<REG_N>", "1111nnnnmmmm1011", | |
7a292a7a SS |
377 | /* sh4 */ |
378 | "if (FPSCR_SZ) {", | |
379 | " MA (2);", | |
380 | " R[n] -= 8;", | |
381 | " WDAT (R[n], m);", | |
382 | "}", | |
383 | "else", | |
c906108c SS |
384 | "{", |
385 | " MA (1);", | |
386 | " R[n] -= 4;", | |
387 | " WLAT (R[n], FI(m));", | |
388 | "}", | |
389 | }, | |
390 | /* sh3e */ | |
391 | { "", "", "fmov.s @(R0,<REG_M>),<FREG_N>", "1111nnnnmmmm0110", | |
7a292a7a SS |
392 | /* sh4 */ |
393 | "if (FPSCR_SZ) {", | |
394 | " MA (2);", | |
395 | " RDAT (R[0]+R[m], n);", | |
396 | "}", | |
397 | "else", | |
c906108c SS |
398 | "{", |
399 | " MA (1);", | |
400 | " SET_FI(n, RLAT(R[0] + R[m]));", | |
401 | "}", | |
402 | }, | |
403 | /* sh3e */ | |
404 | { "", "", "fmov.s <FREG_M>,@(R0,<REG_N>)", "1111nnnnmmmm0111", | |
7a292a7a SS |
405 | /* sh4 */ |
406 | "if (FPSCR_SZ) {", | |
407 | " MA (2);", | |
408 | " WDAT (R[0]+R[n], m);", | |
409 | "}", | |
410 | "else", | |
c906108c SS |
411 | "{", |
412 | " MA (1);", | |
413 | " WLAT((R[0]+R[n]), FI(m));", | |
414 | "}", | |
415 | }, | |
416 | ||
7a292a7a SS |
417 | /* sh4: See fmov instructions above for move to/from extended fp registers */ |
418 | ||
c906108c SS |
419 | /* sh3e */ |
420 | { "", "", "fmul <FREG_M>,<FREG_N>", "1111nnnnmmmm0010", | |
421 | "FP_OP(n, *, m);", | |
422 | }, | |
423 | ||
424 | /* sh3e */ | |
425 | { "", "", "fneg <FREG_N>", "1111nnnn01001101", | |
426 | "FP_UNARY(n, -);", | |
427 | }, | |
428 | ||
7a292a7a SS |
429 | /* sh4 */ |
430 | { "", "", "frchg", "1111101111111101", | |
431 | "SET_FPSCR (GET_FPSCR() ^ FPSCR_MASK_FR);", | |
432 | }, | |
433 | ||
434 | /* sh4 */ | |
435 | { "", "", "fschg", "1111001111111101", | |
436 | "SET_FPSCR (GET_FPSCR() ^ FPSCR_MASK_SZ);", | |
437 | }, | |
438 | ||
c906108c SS |
439 | /* sh3e */ |
440 | { "", "", "fsqrt <FREG_N>", "1111nnnn01101101", | |
441 | "FP_UNARY(n, sqrt);", | |
442 | }, | |
443 | ||
444 | /* sh3e */ | |
445 | { "", "", "fsub <FREG_M>,<FREG_N>", "1111nnnnmmmm0001", | |
446 | "FP_OP(n, -, m);", | |
447 | }, | |
448 | ||
449 | /* sh3e */ | |
450 | { "", "", "ftrc <FREG_N>, FPUL", "1111nnnn00111101", | |
7a292a7a SS |
451 | /* sh4 */ |
452 | "if (FPSCR_PR) {", | |
453 | " if (DR(n) != DR(n)) /* NaN */", | |
454 | " FPUL = 0x80000000;", | |
455 | " else", | |
456 | " FPUL = (int)DR(n);", | |
457 | "}", | |
458 | "else", | |
c906108c SS |
459 | "if (FR(n) != FR(n)) /* NaN */", |
460 | " FPUL = 0x80000000;", | |
461 | "else", | |
462 | " FPUL = (int)FR(n);", | |
463 | }, | |
464 | ||
c906108c SS |
465 | /* sh3e */ |
466 | { "", "", "fsts FPUL,<FREG_N>", "1111nnnn00001101", | |
467 | "char buf[4];", | |
468 | "*(int *)buf = FPUL;", | |
469 | "SET_FR (n, *(float *)buf);", | |
470 | }, | |
471 | ||
472 | { "", "n", "jmp @<REG_N>", "0100nnnn00101011", | |
473 | "nia = R[n];", | |
474 | "Delay_Slot (PC + 2);", | |
475 | }, | |
476 | ||
477 | { "", "n", "jsr @<REG_N>", "0100nnnn00001011", | |
478 | "PR = PC + 4;", | |
479 | "nia = R[n];", | |
480 | "if (~doprofile)", | |
481 | " gotcall (PR, nia);", | |
482 | "Delay_Slot (PC + 2);", | |
483 | }, | |
484 | ||
485 | { "", "n", "ldc <REG_N>,GBR", "0100nnnn00011110", | |
486 | "GBR = R[n];", | |
487 | "/* FIXME: user mode */", | |
488 | }, | |
489 | { "", "n", "ldc <REG_N>,SR", "0100nnnn00001110", | |
490 | "SET_SR (R[n]);", | |
491 | "/* FIXME: user mode */", | |
492 | }, | |
493 | { "", "n", "ldc <REG_N>,VBR", "0100nnnn00101110", | |
494 | "VBR = R[n];", | |
495 | "/* FIXME: user mode */", | |
496 | }, | |
497 | { "", "n", "ldc <REG_N>,SSR", "0100nnnn00111110", | |
498 | "SSR = R[n];", | |
499 | "/* FIXME: user mode */", | |
500 | }, | |
501 | { "", "n", "ldc <REG_N>,SPC", "0100nnnn01001110", | |
502 | "SPC = R[n];", | |
503 | "/* FIXME: user mode */", | |
504 | }, | |
7a292a7a SS |
505 | #if 0 |
506 | { "", "n", "ldc <REG_N>,DBR", "0100nnnn11111010", | |
507 | "DBR = R[n];", | |
508 | "/* FIXME: user mode */", | |
509 | }, | |
510 | #endif | |
c906108c SS |
511 | { "", "n", "ldc <REG_N>,R0_BANK", "0100nnnn10001110", |
512 | "SET_Rn_BANK (0, R[n]);", | |
513 | "/* FIXME: user mode */", | |
514 | }, | |
515 | { "", "n", "ldc <REG_N>,R1_BANK", "0100nnnn10011110", | |
516 | "SET_Rn_BANK (1, R[n]);", | |
517 | "/* FIXME: user mode */", | |
518 | }, | |
519 | { "", "n", "ldc <REG_N>,R2_BANK", "0100nnnn10101110", | |
520 | "SET_Rn_BANK (2, R[n]);", | |
521 | "/* FIXME: user mode */", | |
522 | }, | |
523 | { "", "n", "ldc <REG_N>,R3_BANK", "0100nnnn10111110", | |
524 | "SET_Rn_BANK (3, R[n]);", | |
525 | "/* FIXME: user mode */", | |
526 | }, | |
527 | { "", "n", "ldc <REG_N>,R4_BANK", "0100nnnn11001110", | |
528 | "SET_Rn_BANK (4, R[n]);", | |
529 | "/* FIXME: user mode */", | |
530 | }, | |
531 | { "", "n", "ldc <REG_N>,R5_BANK", "0100nnnn11011110", | |
532 | "SET_Rn_BANK (5, R[n]);", | |
533 | "/* FIXME: user mode */", | |
534 | }, | |
535 | { "", "n", "ldc <REG_N>,R6_BANK", "0100nnnn11101110", | |
536 | "SET_Rn_BANK (6, R[n]);", | |
537 | "/* FIXME: user mode */", | |
538 | }, | |
539 | { "", "n", "ldc <REG_N>,R7_BANK", "0100nnnn11111110", | |
540 | "SET_Rn_BANK (7, R[n]);", | |
541 | "/* FIXME: user mode */", | |
542 | }, | |
543 | { "", "n", "ldc.l @<REG_N>+,GBR", "0100nnnn00010111", | |
544 | "MA (1);", | |
545 | "GBR = RLAT (R[n]);", | |
546 | "R[n] += 4;", | |
547 | "/* FIXME: user mode */", | |
548 | }, | |
549 | { "", "n", "ldc.l @<REG_N>+,SR", "0100nnnn00000111", | |
550 | "MA (1);", | |
551 | "SET_SR (RLAT (R[n]));", | |
552 | "R[n] += 4;", | |
553 | "/* FIXME: user mode */", | |
554 | }, | |
555 | { "", "n", "ldc.l @<REG_N>+,VBR", "0100nnnn00100111", | |
556 | "MA (1);", | |
557 | "VBR = RLAT (R[n]);", | |
558 | "R[n] += 4;", | |
559 | "/* FIXME: user mode */", | |
560 | }, | |
561 | { "", "n", "ldc.l @<REG_N>+,SSR", "0100nnnn00110111", | |
562 | "MA (1);", | |
563 | "SSR = RLAT (R[n]);", | |
564 | "R[n] += 4;", | |
565 | "/* FIXME: user mode */", | |
566 | }, | |
567 | { "", "n", "ldc.l @<REG_N>+,SPC", "0100nnnn01000111", | |
568 | "MA (1);", | |
569 | "SPC = RLAT (R[n]);", | |
570 | "R[n] += 4;", | |
571 | "/* FIXME: user mode */", | |
572 | }, | |
7a292a7a SS |
573 | #if 0 |
574 | { "", "n", "ldc.l @<REG_N>+,DBR", "0100nnnn11110110", | |
575 | "MA (1);", | |
576 | "DBR = RLAT (R[n]);", | |
577 | "R[n] += 4;", | |
578 | "/* FIXME: user mode */", | |
579 | }, | |
580 | #endif | |
c906108c SS |
581 | { "", "n", "ldc.l @<REG_N>+,R0_BANK", "0100nnnn10000111", |
582 | "MA (1);", | |
583 | "SET_Rn_BANK (0, RLAT (R[n]));", | |
584 | "R[n] += 4;", | |
585 | "/* FIXME: user mode */", | |
586 | }, | |
587 | { "", "n", "ldc.l @<REG_N>+,R1_BANK", "0100nnnn10010111", | |
588 | "MA (1);", | |
589 | "SET_Rn_BANK (1, RLAT (R[n]));", | |
590 | "R[n] += 4;", | |
591 | "/* FIXME: user mode */", | |
592 | }, | |
593 | { "", "n", "ldc.l @<REG_N>+,R2_BANK", "0100nnnn10100111", | |
594 | "MA (1);", | |
595 | "SET_Rn_BANK (2, RLAT (R[n]));", | |
596 | "R[n] += 4;", | |
597 | "/* FIXME: user mode */", | |
598 | }, | |
599 | { "", "n", "ldc.l @<REG_N>+,R3_BANK", "0100nnnn10110111", | |
600 | "MA (1);", | |
601 | "SET_Rn_BANK (3, RLAT (R[n]));", | |
602 | "R[n] += 4;", | |
603 | "/* FIXME: user mode */", | |
604 | }, | |
605 | { "", "n", "ldc.l @<REG_N>+,R4_BANK", "0100nnnn11000111", | |
606 | "MA (1);", | |
607 | "SET_Rn_BANK (4, RLAT (R[n]));", | |
608 | "R[n] += 4;", | |
609 | "/* FIXME: user mode */", | |
610 | }, | |
611 | { "", "n", "ldc.l @<REG_N>+,R5_BANK", "0100nnnn11010111", | |
612 | "MA (1);", | |
613 | "SET_Rn_BANK (5, RLAT (R[n]));", | |
614 | "R[n] += 4;", | |
615 | "/* FIXME: user mode */", | |
616 | }, | |
617 | { "", "n", "ldc.l @<REG_N>+,R6_BANK", "0100nnnn11100111", | |
618 | "MA (1);", | |
619 | "SET_Rn_BANK (6, RLAT (R[n]));", | |
620 | "R[n] += 4;", | |
621 | "/* FIXME: user mode */", | |
622 | }, | |
623 | { "", "n", "ldc.l @<REG_N>+,R7_BANK", "0100nnnn11110111", | |
624 | "MA (1);", | |
625 | "SET_Rn_BANK (7, RLAT (R[n]));", | |
626 | "R[n] += 4;", | |
627 | "/* FIXME: user mode */", | |
628 | }, | |
629 | ||
630 | /* sh3e */ | |
631 | { "", "", "lds <REG_N>,FPUL", "0100nnnn01011010", | |
632 | "FPUL = R[n];", | |
633 | }, | |
634 | /* sh3e */ | |
635 | { "", "", "lds.l @<REG_N>+,FPUL", "0100nnnn01010110", | |
636 | "MA (1);", | |
637 | "FPUL = RLAT(R[n]);", | |
638 | "R[n] += 4;", | |
639 | }, | |
640 | /* sh3e */ | |
641 | { "", "", "lds <REG_N>,FPSCR", "0100nnnn01101010", | |
642 | "SET_FPSCR(R[n]);", | |
643 | }, | |
644 | /* sh3e */ | |
645 | { "", "", "lds.l @<REG_N>+,FPSCR", "0100nnnn01100110", | |
646 | "MA (1);", | |
647 | "SET_FPSCR (RLAT(R[n]));", | |
648 | "R[n] += 4;", | |
649 | }, | |
650 | ||
651 | { "", "n", "lds <REG_N>,MACH", "0100nnnn00001010", | |
652 | "MACH = R[n];", | |
653 | }, | |
654 | { "", "n", "lds <REG_N>,MACL", "0100nnnn00011010", | |
655 | "MACL= R[n];", | |
656 | }, | |
657 | { "", "n", "lds <REG_N>,PR", "0100nnnn00101010", | |
658 | "PR = R[n];", | |
659 | }, | |
660 | { "", "n", "lds.l @<REG_N>+,MACH", "0100nnnn00000110", | |
661 | "MA (1);", | |
662 | "MACH = SEXT(RLAT(R[n]));", | |
663 | "R[n]+=4;", | |
664 | }, | |
665 | { "", "n", "lds.l @<REG_N>+,MACL", "0100nnnn00010110", | |
666 | "MA (1);", | |
667 | "MACL = RLAT(R[n]);", | |
668 | "R[n]+=4;", | |
669 | }, | |
670 | { "", "n", "lds.l @<REG_N>+,PR", "0100nnnn00100110", | |
671 | "MA (1);", | |
672 | "PR = RLAT(R[n]);", | |
673 | "R[n]+=4;;", | |
674 | }, | |
675 | ||
676 | { "", "", "ldtlb", "0000000000111000", | |
677 | "/* FIXME: XXX*/ abort();", | |
678 | }, | |
679 | ||
680 | { "", "nm", "mac.l @<REG_M>+,@<REG_N>+", "0000nnnnmmmm1111", | |
681 | "trap (255,R0,memory,maskl,maskw,little_endian);", | |
682 | "/* FIXME: mac.l support */", | |
683 | }, | |
684 | ||
685 | { "", "nm", "mac.w @<REG_M>+,@<REG_N>+", "0100nnnnmmmm1111", | |
686 | "macw(R0,memory,n,m);", | |
687 | }, | |
688 | ||
689 | { "n", "", "mov #<imm>,<REG_N>", "1110nnnni8*1....", | |
690 | "R[n] = SEXT(i);", | |
691 | }, | |
692 | { "n", "m", "mov <REG_M>,<REG_N>", "0110nnnnmmmm0011", | |
693 | "R[n] = R[m];", | |
694 | }, | |
695 | ||
696 | { "0", "", "mov.b @(<disp>,GBR),R0", "11000100i8*1....", | |
697 | "MA (1);", | |
698 | "R0 = RSBAT (i + GBR);", | |
699 | "L (0);", | |
700 | }, | |
701 | { "0", "m", "mov.b @(<disp>,<REG_M>),R0", "10000100mmmmi4*1", | |
702 | "MA (1);", | |
703 | "R0 = RSBAT (i + R[m]);", | |
704 | "L (0);", | |
705 | }, | |
706 | { "n", "0m", "mov.b @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1100", | |
707 | "MA (1);", | |
708 | "R[n] = RSBAT (R0 + R[m]);", | |
709 | "L (n);", | |
710 | }, | |
711 | { "n", "m", "mov.b @<REG_M>+,<REG_N>", "0110nnnnmmmm0100", | |
712 | "MA (1);", | |
713 | "R[n] = RSBAT (R[m]);", | |
714 | "R[m] += 1;", | |
715 | "L (n);", | |
716 | }, | |
717 | { "", "mn", "mov.b <REG_M>,@<REG_N>", "0010nnnnmmmm0000", | |
718 | "MA (1);", | |
719 | "WBAT (R[n], R[m]);", | |
720 | }, | |
721 | { "", "0", "mov.b R0,@(<disp>,GBR)", "11000000i8*1....", | |
722 | "MA (1);", | |
723 | "WBAT (i + GBR, R0);", | |
724 | }, | |
725 | { "", "m0", "mov.b R0,@(<disp>,<REG_M>)", "10000000mmmmi4*1", | |
726 | "MA (1);", | |
727 | "WBAT (i + R[m], R0);", | |
728 | }, | |
729 | { "", "mn0", "mov.b <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0100", | |
730 | "MA (1);", | |
731 | "WBAT (R[n] + R0, R[m]);", | |
732 | }, | |
733 | { "", "nm", "mov.b <REG_M>,@-<REG_N>", "0010nnnnmmmm0100", | |
734 | "MA (1);", | |
735 | "R[n] -= 1;", | |
736 | "WBAT (R[n], R[m]);", | |
737 | }, | |
738 | { "n", "m", "mov.b @<REG_M>,<REG_N>", "0110nnnnmmmm0000", | |
739 | "MA (1);", | |
740 | "R[n] = RSBAT (R[m]);", | |
741 | "L (n);", | |
742 | }, | |
743 | ||
744 | { "0", "", "mov.l @(<disp>,GBR),R0", "11000110i8*4....", | |
745 | "MA (1);", | |
746 | "R0 = RLAT (i + GBR);", | |
747 | "L (0);", | |
748 | }, | |
749 | { "n", "", "mov.l @(<disp>,PC),<REG_N>", "1101nnnni8p4....", | |
750 | "MA (1);", | |
751 | "R[n] = RLAT((PC & ~3) + 4 + i);", | |
752 | "L (n);", | |
753 | }, | |
754 | { "n", "m", "mov.l @(<disp>,<REG_M>),<REG_N>", "0101nnnnmmmmi4*4", | |
755 | "MA (1);", | |
756 | "R[n] = RLAT (i + R[m]);", | |
757 | "L (n);", | |
758 | }, | |
759 | { "n", "m0", "mov.l @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1110", | |
760 | "MA (1);", | |
761 | "R[n] = RLAT (R0 + R[m]);", | |
762 | "L (n);", | |
763 | }, | |
764 | { "nm", "m", "mov.l @<REG_M>+,<REG_N>", "0110nnnnmmmm0110", | |
765 | "MA (1);", | |
766 | "R[n] = RLAT (R[m]);", | |
767 | "R[m] += 4;", | |
768 | "L (n);", | |
769 | }, | |
770 | { "n", "m", "mov.l @<REG_M>,<REG_N>", "0110nnnnmmmm0010", | |
771 | "MA (1);", | |
772 | "R[n] = RLAT (R[m]);", | |
773 | "L (n);", | |
774 | }, | |
775 | { "", "0", "mov.l R0,@(<disp>,GBR)", "11000010i8*4....", | |
776 | "MA (1);", | |
777 | "WLAT (i + GBR, R0);", | |
778 | }, | |
779 | { "", "nm", "mov.l <REG_M>,@(<disp>,<REG_N>)", "0001nnnnmmmmi4*4", | |
780 | "MA (1);", | |
781 | "WLAT (i + R[n], R[m]);", | |
782 | }, | |
783 | { "", "nm0", "mov.l <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0110", | |
784 | "MA (1);", | |
785 | "WLAT (R0 + R[n], R[m]);", | |
786 | }, | |
787 | { "", "nm", "mov.l <REG_M>,@-<REG_N>", "0010nnnnmmmm0110", | |
788 | "MA (1) ;", | |
789 | "R[n] -= 4;", | |
790 | "WLAT (R[n], R[m]);", | |
791 | }, | |
792 | { "", "nm", "mov.l <REG_M>,@<REG_N>", "0010nnnnmmmm0010", | |
793 | "MA (1);", | |
794 | "WLAT (R[n], R[m]);", | |
795 | }, | |
796 | ||
797 | { "0", "", "mov.w @(<disp>,GBR),R0", "11000101i8*2....", | |
798 | "MA (1)", | |
799 | ";R0 = RSWAT (i + GBR);", | |
800 | "L (0);", | |
801 | }, | |
802 | { "n", "", "mov.w @(<disp>,PC),<REG_N>", "1001nnnni8p2....", | |
803 | "MA (1);", | |
804 | "R[n] = RSWAT (PC + 4 + i);", | |
805 | "L (n);", | |
806 | }, | |
807 | { "0", "m", "mov.w @(<disp>,<REG_M>),R0", "10000101mmmmi4*2", | |
808 | "MA (1);", | |
809 | "R0 = RSWAT (i + R[m]);", | |
810 | "L (0);", | |
811 | }, | |
812 | { "n", "m0", "mov.w @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1101", | |
813 | "MA (1);", | |
814 | "R[n] = RSWAT (R0 + R[m]);", | |
815 | "L (n);", | |
816 | }, | |
817 | { "nm", "n", "mov.w @<REG_M>+,<REG_N>", "0110nnnnmmmm0101", | |
818 | "MA (1);", | |
819 | "R[n] = RSWAT (R[m]);", | |
820 | "R[m] += 2;", | |
821 | "L (n);", | |
822 | }, | |
823 | { "n", "m", "mov.w @<REG_M>,<REG_N>", "0110nnnnmmmm0001", | |
824 | "MA (1);", | |
825 | "R[n] = RSWAT (R[m]);", | |
826 | "L (n);", | |
827 | }, | |
828 | { "", "0", "mov.w R0,@(<disp>,GBR)", "11000001i8*2....", | |
829 | "MA (1);", | |
830 | "WWAT (i + GBR, R0);", | |
831 | }, | |
832 | { "", "0m", "mov.w R0,@(<disp>,<REG_M>)", "10000001mmmmi4*2", | |
833 | "MA (1);", | |
834 | "WWAT (i + R[m], R0);", | |
835 | }, | |
836 | { "", "m0n", "mov.w <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0101", | |
837 | "MA (1);", | |
838 | "WWAT (R0 + R[n], R[m]);", | |
839 | }, | |
840 | { "n", "mn", "mov.w <REG_M>,@-<REG_N>", "0010nnnnmmmm0101", | |
841 | "MA (1);", | |
842 | "R[n] -= 2;", | |
843 | "WWAT (R[n], R[m]);", | |
844 | }, | |
845 | { "", "nm", "mov.w <REG_M>,@<REG_N>", "0010nnnnmmmm0001", | |
846 | "MA (1);", | |
847 | "WWAT (R[n], R[m]);", | |
848 | }, | |
849 | ||
850 | { "0", "", "mova @(<disp>,PC),R0", "11000111i8p4....", | |
851 | "R0 = ((i + 4 + PC) & ~0x3);", | |
852 | }, | |
853 | ||
7a292a7a SS |
854 | { "0", "", "movca.l @R0, <REG_N>", "0000nnnn11000011", |
855 | "/* FIXME: Not implemented */", | |
856 | "saved_state.asregs.exception = SIGILL;", | |
857 | }, | |
858 | ||
c906108c SS |
859 | { "n", "", "movt <REG_N>", "0000nnnn00101001", |
860 | "R[n] = T;", | |
861 | }, | |
862 | ||
863 | { "", "mn", "mul.l <REG_M>,<REG_N>", "0000nnnnmmmm0111", | |
864 | "MACL = ((int)R[n]) * ((int)R[m]);", | |
865 | }, | |
866 | #if 0 | |
867 | { "", "nm", "mul.l <REG_M>,<REG_N>", "0000nnnnmmmm0111", | |
868 | "MACL = R[n] * R[m];", | |
869 | }, | |
870 | #endif | |
871 | ||
872 | /* muls.w - see muls */ | |
873 | { "", "mn", "muls <REG_M>,<REG_N>", "0010nnnnmmmm1111", | |
874 | "MACL = ((int)(short)R[n]) * ((int)(short)R[m]);", | |
875 | }, | |
876 | ||
877 | /* mulu.w - see mulu */ | |
878 | { "", "mn", "mulu <REG_M>,<REG_N>", "0010nnnnmmmm1110", | |
879 | "MACL = (((unsigned int)(unsigned short)R[n])", | |
880 | " * ((unsigned int)(unsigned short)R[m]));", | |
881 | }, | |
882 | ||
883 | { "n", "m", "neg <REG_M>,<REG_N>", "0110nnnnmmmm1011", | |
884 | "R[n] = - R[m];", | |
885 | }, | |
886 | ||
887 | { "n", "m", "negc <REG_M>,<REG_N>", "0110nnnnmmmm1010", | |
888 | "ult = -T;", | |
889 | "SET_SR_T (ult > 0);", | |
890 | "R[n] = ult - R[m];", | |
891 | "SET_SR_T (T || (R[n] > ult));", | |
892 | }, | |
893 | ||
894 | { "", "", "nop", "0000000000001001", | |
895 | "/* nop */", | |
896 | }, | |
897 | ||
898 | { "n", "m", "not <REG_M>,<REG_N>", "0110nnnnmmmm0111", | |
899 | "R[n] = ~R[m];", | |
900 | }, | |
901 | ||
7a292a7a SS |
902 | { "0", "", "ocbi @<REG_N>", "0000nnnn10010011", |
903 | "/* FIXME: Not implemented */", | |
904 | "saved_state.asregs.exception = SIGILL;", | |
905 | }, | |
906 | ||
907 | { "0", "", "ocbp @<REG_N>", "0000nnnn10100011", | |
908 | "/* FIXME: Not implemented */", | |
909 | "saved_state.asregs.exception = SIGILL;", | |
910 | }, | |
911 | ||
912 | { "", "n", "ocbwb @<REG_N>", "0000nnnn10110011", | |
913 | "RSBAT (R[n]); /* Take exceptions like byte load. */", | |
914 | "/* FIXME: Cache not implemented */", | |
915 | }, | |
916 | ||
c906108c SS |
917 | { "0", "", "or #<imm>,R0", "11001011i8*1....", |
918 | "R0 |= i;", | |
919 | }, | |
920 | { "n", "m", "or <REG_M>,<REG_N>", "0010nnnnmmmm1011", | |
921 | "R[n] |= R[m];", | |
922 | }, | |
923 | { "", "0", "or.b #<imm>,@(R0,GBR)", "11001111i8*1....", | |
924 | "MA (1);", | |
925 | "WBAT (R0 + GBR, (RBAT (R0 + GBR) | i));", | |
926 | }, | |
927 | ||
928 | { "", "n", "pref @<REG_N>", "0000nnnn10000011", | |
929 | "/* Except for the effect on the cache - which is not simulated -", | |
930 | " this is like a nop. */", | |
931 | }, | |
932 | ||
933 | { "n", "n", "rotcl <REG_N>", "0100nnnn00100100", | |
934 | "ult = R[n] < 0;", | |
935 | "R[n] = (R[n] << 1) | T;", | |
936 | "SET_SR_T (ult);", | |
937 | }, | |
938 | ||
939 | { "n", "n", "rotcr <REG_N>", "0100nnnn00100101", | |
940 | "ult = R[n] & 1;", | |
941 | "R[n] = (UR[n] >> 1) | (T << 31);", | |
942 | "SET_SR_T (ult);", | |
943 | }, | |
944 | ||
945 | { "n", "n", "rotl <REG_N>", "0100nnnn00000100", | |
946 | "SET_SR_T (R[n] < 0);", | |
947 | "R[n] <<= 1;", | |
948 | "R[n] |= T;", | |
949 | }, | |
950 | ||
951 | { "n", "n", "rotr <REG_N>", "0100nnnn00000101", | |
952 | "SET_SR_T (R[n] & 1);", | |
953 | "R[n] = UR[n] >> 1;", | |
954 | "R[n] |= (T << 31);", | |
955 | }, | |
956 | ||
957 | { "", "", "rte", "0000000000101011", | |
958 | #if 0 | |
959 | /* SH-[12] */ | |
960 | "int tmp = PC;", | |
961 | "nia = RLAT (R[15]) + 2;", | |
962 | "R[15] += 4;", | |
963 | "SET_SR (RLAT (R[15]) & 0x3f3);", | |
964 | "R[15] += 4;", | |
965 | "Delay_Slot (PC + 2);", | |
966 | #else | |
967 | "nia = SPC;", | |
968 | "SET_SR (SSR);", | |
969 | "Delay_Slot (PC + 2);", | |
970 | #endif | |
971 | }, | |
972 | ||
973 | { "", "", "rts", "0000000000001011", | |
974 | "nia = PR;", | |
975 | "Delay_Slot (PC + 2);", | |
976 | }, | |
977 | ||
978 | { "", "", "sets", "0000000001011000", | |
979 | "SET_SR_S (1);", | |
980 | }, | |
981 | ||
982 | { "", "", "sett", "0000000000011000", | |
983 | "SET_SR_T (1);", | |
984 | }, | |
985 | ||
986 | { "n", "mn", "shad <REG_M>,<REG_N>", "0100nnnnmmmm1100", | |
987 | "R[n] = (R[m] < 0) ? (R[n] >> ((-R[m])&0x1f)) : (R[n] << (R[m] & 0x1f));", | |
988 | }, | |
989 | ||
990 | { "n", "n", "shal <REG_N>", "0100nnnn00100000", | |
991 | "SET_SR_T (R[n] < 0);", | |
992 | "R[n] <<= 1;", | |
993 | }, | |
994 | ||
995 | { "n", "n", "shar <REG_N>", "0100nnnn00100001", | |
996 | "SET_SR_T (R[n] & 1);", | |
997 | "R[n] = R[n] >> 1;", | |
998 | }, | |
999 | ||
1000 | { "n", "mn", "shld <REG_M>,<REG_N>", "0100nnnnmmmm1101", | |
1001 | "R[n] = (R[m] < 0) ? (UR[n] >> ((-R[m])&0x1f)): (R[n] << (R[m] & 0x1f));", | |
1002 | }, | |
1003 | ||
1004 | { "n", "n", "shll <REG_N>", "0100nnnn00000000", | |
1005 | "SET_SR_T (R[n] < 0);", | |
1006 | "R[n] <<= 1;", | |
1007 | }, | |
1008 | ||
1009 | { "n", "n", "shll2 <REG_N>", "0100nnnn00001000", | |
1010 | "R[n] <<= 2;", | |
1011 | }, | |
1012 | { "n", "n", "shll8 <REG_N>", "0100nnnn00011000", | |
1013 | "R[n] <<= 8;", | |
1014 | }, | |
1015 | { "n", "n", "shll16 <REG_N>", "0100nnnn00101000", | |
1016 | "R[n] <<= 16;", | |
1017 | }, | |
1018 | ||
1019 | { "n", "n", "shlr <REG_N>", "0100nnnn00000001", | |
1020 | "SET_SR_T (R[n] & 1);", | |
1021 | "R[n] = UR[n] >> 1;", | |
1022 | }, | |
1023 | ||
1024 | { "n", "n", "shlr2 <REG_N>", "0100nnnn00001001", | |
1025 | "R[n] = UR[n] >> 2;", | |
1026 | }, | |
1027 | { "n", "n", "shlr8 <REG_N>", "0100nnnn00011001", | |
1028 | "R[n] = UR[n] >> 8;", | |
1029 | }, | |
1030 | { "n", "n", "shlr16 <REG_N>", "0100nnnn00101001", | |
1031 | "R[n] = UR[n] >> 16;", | |
1032 | }, | |
1033 | ||
1034 | { "", "", "sleep", "0000000000011011", | |
1035 | "trap (0xc3, R0, memory, maskl, maskw, little_endian);", | |
1036 | "nia = PC;", | |
1037 | }, | |
1038 | ||
1039 | { "n", "", "stc GBR,<REG_N>", "0000nnnn00010010", | |
1040 | "R[n] = GBR;", | |
1041 | }, | |
1042 | { "n", "", "stc SR,<REG_N>", "0000nnnn00000010", | |
1043 | "R[n] = GET_SR ();", | |
1044 | }, | |
1045 | { "n", "", "stc VBR,<REG_N>", "0000nnnn00100010", | |
1046 | "R[n] = VBR;", | |
1047 | }, | |
1048 | { "n", "", "stc SSR,<REG_N>", "0000nnnn00110010", | |
1049 | "R[n] = SSR;", | |
1050 | }, | |
1051 | { "n", "", "stc SPC,<REG_N>", "0000nnnn01000010", | |
1052 | "R[n] = SPC;", | |
1053 | }, | |
7a292a7a SS |
1054 | #if 0 |
1055 | { "n", "", "stc SGR,<REG_N>", "0000nnnn00111010", | |
1056 | "R[n] = SGR;", | |
1057 | }, | |
1058 | { "n", "", "stc DBR,<REG_N>", "0000nnnn11111010", | |
1059 | "R[n] = DBR;", | |
1060 | }, | |
1061 | #endif | |
c906108c SS |
1062 | { "n", "", "stc R0_BANK,<REG_N>", "0000nnnn10000010", |
1063 | "R[n] = Rn_BANK (0);", | |
1064 | }, | |
1065 | { "n", "", "stc R1_BANK,<REG_N>", "0000nnnn10010010", | |
1066 | "R[n] = Rn_BANK (1);", | |
1067 | }, | |
1068 | { "n", "", "stc R2_BANK,<REG_N>", "0000nnnn10100010", | |
1069 | "R[n] = Rn_BANK (2);", | |
1070 | }, | |
1071 | { "n", "", "stc R3_BANK,<REG_N>", "0000nnnn10110010", | |
1072 | "R[n] = Rn_BANK (3);", | |
1073 | }, | |
1074 | { "n", "", "stc R4_BANK,<REG_N>", "0000nnnn11000010", | |
1075 | "R[n] = Rn_BANK (4);", | |
1076 | }, | |
1077 | { "n", "", "stc R5_BANK,<REG_N>", "0000nnnn11010010", | |
1078 | "R[n] = Rn_BANK (5);", | |
1079 | }, | |
1080 | { "n", "", "stc R6_BANK,<REG_N>", "0000nnnn11100010", | |
1081 | "R[n] = Rn_BANK (6);", | |
1082 | }, | |
1083 | { "n", "", "stc R7_BANK,<REG_N>", "0000nnnn11110010", | |
1084 | "R[n] = Rn_BANK (7);", | |
1085 | }, | |
1086 | { "n", "n", "stc.l GBR,@-<REG_N>", "0100nnnn00010011", | |
1087 | "MA (1);", | |
1088 | "R[n] -= 4;", | |
1089 | "WLAT (R[n], GBR);;", | |
1090 | }, | |
1091 | { "n", "n", "stc.l SR,@-<REG_N>", "0100nnnn00000011", | |
1092 | "MA (1);", | |
1093 | "R[n] -= 4;", | |
1094 | "WLAT (R[n], GET_SR());", | |
1095 | }, | |
1096 | { "n", "n", "stc.l VBR,@-<REG_N>", "0100nnnn00100011", | |
1097 | "MA (1);", | |
1098 | "R[n] -= 4;", | |
1099 | "WLAT (R[n], VBR);", | |
1100 | }, | |
1101 | { "n", "n", "stc.l SSR,@-<REG_N>", "0100nnnn00110011", | |
1102 | "MA (1);", | |
1103 | "R[n] -= 4;", | |
1104 | "WLAT (R[n], SSR);", | |
1105 | }, | |
1106 | { "n", "n", "stc.l SPC,@-<REG_N>", "0100nnnn01000011", | |
1107 | "MA (1);", | |
1108 | "R[n] -= 4;", | |
1109 | "WLAT (R[n], SPC);", | |
1110 | }, | |
7a292a7a SS |
1111 | #if 0 |
1112 | { "n", "n", "stc.l SGR,@-<REG_N>", "0100nnnn00110010", | |
1113 | "MA (1);", | |
1114 | "R[n] -= 4;", | |
1115 | "WLAT (R[n], SGR);", | |
1116 | }, | |
1117 | { "n", "n", "stc.l DBR,@-<REG_N>", "0100nnnn11110010", | |
1118 | "MA (1);", | |
1119 | "R[n] -= 4;", | |
1120 | "WLAT (R[n], DBR);", | |
1121 | }, | |
1122 | #endif | |
c906108c SS |
1123 | { "n", "", "stc R0_BANK,@-<REG_N>", "0100nnnn10000010", |
1124 | "MA (1);", | |
1125 | "R[n] -= 4;", | |
1126 | "WLAT (R[n], Rn_BANK (0));", | |
1127 | }, | |
1128 | { "n", "", "stc R1_BANK,@-<REG_N>", "0100nnnn10010010", | |
1129 | "MA (1);", | |
1130 | "R[n] -= 4;", | |
1131 | "WLAT (R[n], Rn_BANK (1));", | |
1132 | }, | |
1133 | { "n", "", "stc R2_BANK,@-<REG_N>", "0100nnnn10100010", | |
1134 | "MA (1);", | |
1135 | "R[n] -= 4;", | |
1136 | "WLAT (R[n], Rn_BANK (2));", | |
1137 | }, | |
1138 | { "n", "", "stc R3_BANK,@-<REG_N>", "0100nnnn10110010", | |
1139 | "MA (1);", | |
1140 | "R[n] -= 4;", | |
1141 | "WLAT (R[n], Rn_BANK (3));", | |
1142 | }, | |
1143 | { "n", "", "stc R4_BANK,@-<REG_N>", "0100nnnn11000010", | |
1144 | "MA (1);", | |
1145 | "R[n] -= 4;", | |
1146 | "WLAT (R[n], Rn_BANK (4));", | |
1147 | }, | |
1148 | { "n", "", "stc R5_BANK,@-<REG_N>", "0100nnnn11010010", | |
1149 | "MA (1);", | |
1150 | "R[n] -= 4;", | |
1151 | "WLAT (R[n], Rn_BANK (5));", | |
1152 | }, | |
1153 | { "n", "", "stc R6_BANK,@-<REG_N>", "0100nnnn11100010", | |
1154 | "MA (1);", | |
1155 | "R[n] -= 4;", | |
1156 | "WLAT (R[n], Rn_BANK (6));", | |
1157 | }, | |
1158 | { "n", "", "stc R7_BANK,@-<REG_N>", "0100nnnn11110010", | |
1159 | "MA (1);", | |
1160 | "R[n] -= 4;", | |
1161 | "WLAT (R[n], Rn_BANK (7));", | |
1162 | }, | |
1163 | ||
1164 | /* sh3e */ | |
1165 | { "", "", "sts FPUL,<REG_N>", "0000nnnn01011010", | |
1166 | "R[n] = FPUL;", | |
1167 | }, | |
1168 | /* sh3e */ | |
1169 | { "", "", "sts.l FPUL,@-<REG_N>", "0100nnnn01010010", | |
1170 | "MA (1);", | |
1171 | "R[n] -= 4;", | |
1172 | "WLAT (R[n], FPUL);", | |
1173 | }, | |
1174 | /* sh3e */ | |
1175 | { "", "", "sts FPSCR,<REG_N>", "0000nnnn01101010", | |
1176 | "R[n] = GET_FPSCR ();", | |
1177 | }, | |
1178 | /* sh3e */ | |
1179 | { "", "", "sts.l FPSCR,@-<REG_N>", "0100nnnn01100010", | |
1180 | "MA (1);", | |
1181 | "R[n] -= 4;", | |
1182 | "WLAT (R[n], GET_FPSCR ());", | |
1183 | }, | |
1184 | ||
1185 | { "n", "", "sts MACH,<REG_N>", "0000nnnn00001010", | |
1186 | "R[n] = MACH;", | |
1187 | }, | |
1188 | { "n", "", "sts MACL,<REG_N>", "0000nnnn00011010", | |
1189 | "R[n] = MACL;", | |
1190 | }, | |
1191 | { "n", "", "sts PR,<REG_N>", "0000nnnn00101010", | |
1192 | "R[n] = PR;", | |
1193 | }, | |
1194 | { "n", "n", "sts.l MACH,@-<REG_N>", "0100nnnn00000010", | |
1195 | "MA (1);", | |
1196 | "R[n] -= 4;", | |
1197 | "WLAT (R[n], MACH);", | |
1198 | }, | |
1199 | { "n", "n", "sts.l MACL,@-<REG_N>", "0100nnnn00010010", | |
1200 | "MA (1);", | |
1201 | "R[n] -= 4;", | |
1202 | "WLAT (R[n], MACL);", | |
1203 | }, | |
1204 | { "n", "n", "sts.l PR,@-<REG_N>", "0100nnnn00100010", | |
1205 | "MA (1);", | |
1206 | "R[n] -= 4;", | |
1207 | "WLAT (R[n], PR);", | |
1208 | }, | |
1209 | ||
1210 | { "n", "nm", "sub <REG_M>,<REG_N>", "0011nnnnmmmm1000", | |
1211 | "R[n] -= R[m];", | |
1212 | }, | |
1213 | ||
1214 | { "n", "nm", "subc <REG_M>,<REG_N>", "0011nnnnmmmm1010", | |
1215 | "ult = R[n] - T;", | |
1216 | "SET_SR_T (ult > R[n]);", | |
1217 | "R[n] = ult - R[m];", | |
1218 | "SET_SR_T (T || (R[n] > ult));", | |
1219 | }, | |
1220 | ||
1221 | { "n", "nm", "subv <REG_M>,<REG_N>", "0011nnnnmmmm1011", | |
1222 | "ult = R[n] - R[m];", | |
1223 | "SET_SR_T (((R[n] ^ R[m]) & (ult ^ R[n])) >> 31);", | |
1224 | "R[n] = ult;", | |
1225 | }, | |
1226 | ||
1227 | { "n", "nm", "swap.b <REG_M>,<REG_N>", "0110nnnnmmmm1000", | |
1228 | "R[n] = ((R[m] & 0xffff0000)", | |
1229 | " | ((R[m] << 8) & 0xff00)", | |
1230 | " | ((R[m] >> 8) & 0x00ff));", | |
1231 | }, | |
1232 | { "n", "nm", "swap.w <REG_M>,<REG_N>", "0110nnnnmmmm1001", | |
1233 | "R[n] = (((R[m] << 16) & 0xffff0000)", | |
1234 | " | ((R[m] >> 16) & 0x00ffff));", | |
1235 | }, | |
1236 | ||
1237 | { "", "n", "tas.b @<REG_N>", "0100nnnn00011011", | |
1238 | "MA (1);", | |
1239 | "ult = RBAT(R[n]);", | |
1240 | "SET_SR_T (ult == 0);", | |
1241 | "WBAT(R[n],ult|0x80);", | |
1242 | }, | |
1243 | ||
1244 | { "0", "", "trapa #<imm>", "11000011i8*1....", | |
1245 | #if 0 | |
1246 | /* SH-[12] */ | |
1247 | "long imm = 0xff & i;", | |
1248 | "if (i==0xc3)", | |
1249 | " PC-=2;", | |
1250 | "if (i<20||i==34||i==0xc3)", | |
1251 | " trap(i,R,memory,maskl,maskw,little_endian);", | |
1252 | "else {", | |
1253 | " R[15]-=4;", | |
1254 | " WLAT(R[15],GET_SR());", | |
1255 | " R[15]-=4;", | |
1256 | " WLAT(R[15],PC+2);", | |
1257 | " PC=RLAT(VBR+(imm<<2))-2;", | |
1258 | "}", | |
1259 | #else | |
1260 | "if (i == 0xc3)", | |
1261 | " {", | |
1262 | " nia = PC;", | |
1263 | " trap (i, R, memory, maskl, maskw, little_endian);", | |
1264 | " }", | |
1265 | "else if (i < 20 || i==34 || i==0xc3)", | |
1266 | " trap (i, R, memory, maskl, maskw, little_endian);", | |
1267 | "else if (!SR_BL) {", | |
1268 | " /* FIXME: TRA = (imm << 2); */", | |
1269 | " SSR = GET_SR();", | |
1270 | " SPC = PC + 2;", | |
1271 | " SET_SR (GET_SR() | SR_MASK_MD | SR_MASK_BL | SR_MASK_RB);", | |
1272 | " /* FIXME: EXPEVT = 0x00000160; */", | |
1273 | " nia = VBR + 0x00000100;", | |
1274 | "}", | |
1275 | #endif | |
1276 | }, | |
1277 | ||
1278 | { "", "mn", "tst <REG_M>,<REG_N>", "0010nnnnmmmm1000", | |
1279 | "SET_SR_T ((R[n] & R[m]) == 0);", | |
1280 | }, | |
1281 | { "", "0", "tst #<imm>,R0", "11001000i8*1....", | |
1282 | "SET_SR_T ((R0 & i) == 0);", | |
1283 | }, | |
1284 | { "", "0", "tst.b #<imm>,@(R0,GBR)", "11001100i8*1....", | |
1285 | "MA (1);", | |
1286 | "SET_SR_T ((RBAT (GBR+R0) & i) == 0);", | |
1287 | }, | |
1288 | ||
1289 | { "", "0", "xor #<imm>,R0", "11001010i8*1....", | |
1290 | "R0 ^= i;", | |
1291 | }, | |
1292 | { "n", "mn", "xor <REG_M>,<REG_N>", "0010nnnnmmmm1010", | |
1293 | "R[n] ^= R[m];", | |
1294 | }, | |
1295 | { "", "0", "xor.b #<imm>,@(R0,GBR)", "11001110i8*1....", | |
1296 | "MA (1);", | |
1297 | "ult = RBAT (GBR+R0);", | |
1298 | "ult ^= i;", | |
1299 | "WBAT (GBR + R0, ult);", | |
1300 | }, | |
1301 | ||
1302 | { "n", "nm", "xtrct <REG_M>,<REG_N>", "0010nnnnmmmm1101", | |
1303 | "R[n] = (((R[n] >> 16) & 0xffff)", | |
1304 | " | ((R[m] << 16) & 0xffff0000));", | |
1305 | }, | |
1306 | ||
7a292a7a SS |
1307 | #if 0 |
1308 | { "divs.l <REG_M>,<REG_N>", "0100nnnnmmmm1110", | |
1309 | "divl(0,R[n],R[m]);", | |
1310 | }, | |
1311 | { "divu.l <REG_M>,<REG_N>", "0100nnnnmmmm1101", | |
1312 | "divl(0,R[n],R[m]);", | |
1313 | }, | |
1314 | #endif | |
1315 | ||
c906108c SS |
1316 | {0, 0}}; |
1317 | ||
1318 | /* Tables of things to put into enums for sh-opc.h */ | |
1319 | static char *nibble_type_list[] = | |
1320 | { | |
1321 | "HEX_0", | |
1322 | "HEX_1", | |
1323 | "HEX_2", | |
1324 | "HEX_3", | |
1325 | "HEX_4", | |
1326 | "HEX_5", | |
1327 | "HEX_6", | |
1328 | "HEX_7", | |
1329 | "HEX_8", | |
1330 | "HEX_9", | |
1331 | "HEX_A", | |
1332 | "HEX_B", | |
1333 | "HEX_C", | |
1334 | "HEX_D", | |
1335 | "HEX_E", | |
1336 | "HEX_F", | |
1337 | "REG_N", | |
1338 | "REG_M", | |
1339 | "BRANCH_12", | |
1340 | "BRANCH_8", | |
1341 | "DISP_8", | |
1342 | "DISP_4", | |
1343 | "IMM_4", | |
1344 | "IMM_4BY2", | |
1345 | "IMM_4BY4", | |
1346 | "PCRELIMM_8BY2", | |
1347 | "PCRELIMM_8BY4", | |
1348 | "IMM_8", | |
1349 | "IMM_8BY2", | |
1350 | "IMM_8BY4", | |
1351 | 0 | |
1352 | }; | |
1353 | static | |
1354 | char *arg_type_list[] = | |
1355 | { | |
1356 | "A_END", | |
1357 | "A_BDISP12", | |
1358 | "A_BDISP8", | |
1359 | "A_DEC_M", | |
1360 | "A_DEC_N", | |
1361 | "A_DISP_GBR", | |
1362 | "A_DISP_PC", | |
1363 | "A_DISP_REG_M", | |
1364 | "A_DISP_REG_N", | |
1365 | "A_GBR", | |
1366 | "A_IMM", | |
1367 | "A_INC_M", | |
1368 | "A_INC_N", | |
1369 | "A_IND_M", | |
1370 | "A_IND_N", | |
1371 | "A_IND_R0_REG_M", | |
1372 | "A_IND_R0_REG_N", | |
1373 | "A_MACH", | |
1374 | "A_MACL", | |
1375 | "A_PR", | |
1376 | "A_R0", | |
1377 | "A_R0_GBR", | |
1378 | "A_REG_M", | |
1379 | "A_REG_N", | |
1380 | "A_SR", | |
1381 | "A_VBR", | |
1382 | "A_SSR", | |
1383 | "A_SPC", | |
1384 | 0, | |
1385 | }; | |
1386 | ||
1387 | static void | |
1388 | make_enum_list (name, s) | |
1389 | char *name; | |
1390 | char **s; | |
1391 | { | |
1392 | int i = 1; | |
1393 | printf ("typedef enum {\n"); | |
1394 | while (*s) | |
1395 | { | |
1396 | printf ("\t%s,\n", *s); | |
1397 | s++; | |
1398 | i++; | |
1399 | } | |
1400 | printf ("} %s;\n", name); | |
1401 | } | |
1402 | ||
1403 | static int | |
1404 | qfunc (a, b) | |
1405 | op *a; | |
1406 | op *b; | |
1407 | { | |
1408 | char bufa[9]; | |
1409 | char bufb[9]; | |
1410 | memcpy (bufa, a->code, 4); | |
1411 | memcpy (bufa + 4, a->code + 12, 4); | |
1412 | bufa[8] = 0; | |
1413 | ||
1414 | memcpy (bufb, b->code, 4); | |
1415 | memcpy (bufb + 4, b->code + 12, 4); | |
1416 | bufb[8] = 0; | |
1417 | return (strcmp (bufa, bufb)); | |
1418 | } | |
1419 | ||
1420 | static void | |
1421 | sorttab () | |
1422 | { | |
1423 | op *p = tab; | |
1424 | int len = 0; | |
1425 | ||
1426 | while (p->name) | |
1427 | { | |
1428 | p++; | |
1429 | len++; | |
1430 | } | |
1431 | qsort (tab, len, sizeof (*p), qfunc); | |
1432 | } | |
1433 | ||
1434 | static void | |
1435 | printonmatch (ptr, a, rep) | |
1436 | char **ptr; | |
1437 | char *a; | |
1438 | char *rep; | |
1439 | { | |
1440 | int l = strlen (a); | |
1441 | if (strncmp (*ptr, a, l) == 0) | |
1442 | { | |
1443 | printf ("%s", rep); | |
1444 | *ptr += l; | |
1445 | if (**ptr) | |
1446 | printf (","); | |
1447 | } | |
1448 | } | |
1449 | ||
1450 | ||
1451 | static | |
1452 | void | |
1453 | think (o) | |
1454 | op *o; | |
1455 | { | |
1456 | char *n; | |
1457 | char *p; | |
1458 | ||
1459 | printf ("{\""); | |
1460 | n = o->name; | |
1461 | while (*n && *n != ' ') | |
1462 | { | |
1463 | printf ("%c", *n); | |
1464 | n++; | |
1465 | } | |
1466 | printf ("\",{"); | |
1467 | ||
1468 | p = n; | |
1469 | ||
1470 | if (!*p) | |
1471 | { | |
1472 | printf ("0"); | |
1473 | } | |
1474 | while (*p) | |
1475 | { | |
1476 | while (*p == ',' || *p == ' ') | |
1477 | p++; | |
1478 | printonmatch (&p, "#<imm>", "A_IMM"); | |
1479 | printonmatch (&p, "R0", "A_R0"); | |
1480 | printonmatch (&p, "<REG_N>", "A_REG_N"); | |
1481 | printonmatch (&p, "@<REG_N>+", "A_INC_N"); | |
1482 | printonmatch (&p, "@<REG_N>", "A_IND_N"); | |
1483 | printonmatch (&p, "@-<REG_N>", "A_DEC_N"); | |
1484 | printonmatch (&p, "<REG_M>", " A_REG_M"); | |
1485 | printonmatch (&p, "@<REG_M>+", "A_INC_M"); | |
1486 | printonmatch (&p, "@<REG_M>", "A_IND_M"); | |
1487 | printonmatch (&p, "@-<REG_M>", "A_DEC_M"); | |
1488 | printonmatch (&p, "@(<disp>,PC)", "A_DISP_PC"); | |
1489 | printonmatch (&p, "@(<disp>,<REG_M>)", "A_DISP_REG_M"); | |
1490 | printonmatch (&p, "@(<disp>,<REG_N>)", "A_DISP_REG_N"); | |
1491 | printonmatch (&p, "@(R0,<REG_N>)", "A_IND_R0_REG_N"); | |
1492 | printonmatch (&p, "@(R0,<REG_M>)", "A_IND_R0_REG_M"); | |
1493 | printonmatch (&p, "@(<disp>,GBR)", "A_DISP_GBR"); | |
1494 | printonmatch (&p, "@(R0,GBR)", "A_R0_GBR"); | |
1495 | printonmatch (&p, "<bdisp8>", "A_BDISP8"); | |
1496 | printonmatch (&p, "<bdisp12>", "A_BDISP12"); | |
1497 | printonmatch (&p, "SR", "A_SR"); | |
1498 | printonmatch (&p, "GBR", "A_GBR"); | |
1499 | printonmatch (&p, "VBR", "A_VBR"); | |
1500 | printonmatch (&p, "SSR", "A_SSR"); | |
1501 | printonmatch (&p, "SPC", "A_SPC"); | |
1502 | printonmatch (&p, "MACH", "A_MACH"); | |
1503 | printonmatch (&p, "MACL", "A_MACL"); | |
1504 | printonmatch (&p, "PR", "A_PR"); | |
1505 | ||
1506 | } | |
1507 | printf ("},{"); | |
1508 | ||
1509 | p = o->code; | |
1510 | while (*p) | |
1511 | { | |
1512 | printonmatch (&p, "0000", "HEX_0"); | |
1513 | printonmatch (&p, "0001", "HEX_1"); | |
1514 | printonmatch (&p, "0010", "HEX_2"); | |
1515 | printonmatch (&p, "0011", "HEX_3"); | |
1516 | printonmatch (&p, "0100", "HEX_4"); | |
1517 | printonmatch (&p, "0101", "HEX_5"); | |
1518 | printonmatch (&p, "0110", "HEX_6"); | |
1519 | printonmatch (&p, "0111", "HEX_7"); | |
1520 | ||
1521 | printonmatch (&p, "1000", "HEX_8"); | |
1522 | printonmatch (&p, "1001", "HEX_9"); | |
1523 | printonmatch (&p, "1010", "HEX_A"); | |
1524 | printonmatch (&p, "1011", "HEX_B"); | |
1525 | printonmatch (&p, "1100", "HEX_C"); | |
1526 | printonmatch (&p, "1101", "HEX_D"); | |
1527 | printonmatch (&p, "1110", "HEX_E"); | |
1528 | printonmatch (&p, "1111", "HEX_F"); | |
1529 | printonmatch (&p, "i8*1....", "IMM_8"); | |
1530 | printonmatch (&p, "i4*1", "IMM_4"); | |
1531 | printonmatch (&p, "i8p4....", "PCRELIMM_8BY4"); | |
1532 | printonmatch (&p, "i8p2....", "PCRELIMM_8BY2"); | |
1533 | printonmatch (&p, "i8*2....", "IMM_8BY2"); | |
1534 | printonmatch (&p, "i4*2", "IMM_4BY2"); | |
1535 | printonmatch (&p, "i8*4....", "IMM_8BY4"); | |
1536 | printonmatch (&p, "i4*4", "IMM_4BY4"); | |
1537 | printonmatch (&p, "i12.........", "BRANCH_12"); | |
1538 | printonmatch (&p, "i8p1....", "BRANCH_8"); | |
1539 | printonmatch (&p, "nnnn", "REG_N"); | |
1540 | printonmatch (&p, "mmmm", "REG_M"); | |
1541 | ||
1542 | } | |
1543 | printf ("}},\n"); | |
1544 | } | |
1545 | ||
1546 | static void | |
1547 | gengastab () | |
1548 | { | |
1549 | op *p; | |
1550 | sorttab (); | |
1551 | for (p = tab; p->name; p++) | |
1552 | { | |
1553 | printf ("%s %-30s\n", p->code, p->name); | |
1554 | } | |
1555 | ||
1556 | ||
1557 | } | |
1558 | ||
1559 | ||
1560 | static void | |
1561 | genopc () | |
1562 | { | |
1563 | op *p; | |
1564 | make_enum_list ("sh_nibble_type", nibble_type_list); | |
1565 | make_enum_list ("sh_arg_type", arg_type_list); | |
1566 | ||
1567 | printf ("typedef struct {\n"); | |
1568 | printf ("char *name;\n"); | |
1569 | printf ("sh_arg_type arg[3];\n"); | |
1570 | printf ("sh_nibble_type nibbles[4];\n"); | |
1571 | printf ("} sh_opcode_info;\n"); | |
1572 | printf ("#ifdef DEFINE_TABLE\n"); | |
1573 | printf ("sh_opcode_info sh_table[]={\n"); | |
1574 | for (p = tab; p->name; p++) | |
1575 | { | |
1576 | printf ("\n/* %s %-20s*/", p->code, p->name); | |
1577 | think (p); | |
1578 | } | |
1579 | printf ("0};\n"); | |
1580 | printf ("#endif\n"); | |
1581 | } | |
1582 | ||
1583 | ||
1584 | ||
1585 | ||
1586 | ||
1587 | ||
1588 | /* Convert a string of 4 binary digits into an int */ | |
1589 | ||
1590 | static | |
1591 | int | |
1592 | bton (s) | |
1593 | char *s; | |
1594 | ||
1595 | { | |
1596 | int n = 0; | |
1597 | int v = 8; | |
1598 | while (v) | |
1599 | { | |
1600 | if (*s == '1') | |
1601 | n |= v; | |
1602 | v >>= 1; | |
1603 | s++; | |
1604 | } | |
1605 | return n; | |
1606 | } | |
1607 | ||
1608 | static unsigned char table[1 << 16]; | |
1609 | ||
1610 | /* Take an opcode expand all varying fields in it out and fill all the | |
1611 | right entries in 'table' with the opcode index*/ | |
1612 | ||
1613 | static void | |
1614 | expand_opcode (shift, val, i, s) | |
1615 | int shift; | |
1616 | int val; | |
1617 | int i; | |
1618 | char *s; | |
1619 | { | |
1620 | int j; | |
1621 | ||
1622 | if (*s == 0) | |
1623 | { | |
1624 | table[val] = i; | |
1625 | } | |
1626 | else | |
1627 | { | |
1628 | switch (s[0]) | |
1629 | { | |
1630 | ||
1631 | case '0': | |
1632 | case '1': | |
1633 | { | |
1634 | ||
1635 | int n = bton (s); | |
1636 | if (n >= 0) | |
1637 | { | |
1638 | expand_opcode (shift - 4, val | (n << shift), i, s + 4); | |
1639 | } | |
1640 | break; | |
1641 | } | |
1642 | case 'n': | |
1643 | case 'm': | |
1644 | for (j = 0; j < 16; j++) | |
1645 | { | |
1646 | expand_opcode (shift - 4, val | (j << shift), i, s + 4); | |
1647 | ||
1648 | } | |
1649 | break; | |
1650 | ||
1651 | default: | |
1652 | for (j = 0; j < (1 << (shift + 4)); j++) | |
1653 | { | |
1654 | table[val | j] = i; | |
1655 | } | |
1656 | } | |
1657 | } | |
1658 | } | |
1659 | ||
1660 | /* Print the jump table used to index an opcode into a switch | |
1661 | statement entry. */ | |
1662 | ||
1663 | static void | |
1664 | dumptable () | |
1665 | { | |
1666 | int lump = 256; | |
1667 | int online = 16; | |
1668 | ||
1669 | int i = 0; | |
1670 | ||
1671 | while (i < 1 << 16) | |
1672 | { | |
1673 | int j = 0; | |
1674 | ||
1675 | printf ("unsigned char sh_jump_table%x[%d]={\n", i, lump); | |
1676 | ||
1677 | while (j < lump) | |
1678 | { | |
1679 | int k = 0; | |
1680 | while (k < online) | |
1681 | { | |
1682 | printf ("%2d", table[i + j + k]); | |
1683 | if (j + k < lump) | |
1684 | printf (","); | |
1685 | ||
1686 | k++; | |
1687 | } | |
1688 | j += k; | |
1689 | printf ("\n"); | |
1690 | } | |
1691 | i += j; | |
1692 | printf ("};\n"); | |
1693 | } | |
1694 | ||
1695 | } | |
1696 | ||
1697 | ||
1698 | static void | |
1699 | filltable () | |
1700 | { | |
1701 | op *p; | |
1702 | int index = 1; | |
1703 | ||
1704 | sorttab (); | |
1705 | for (p = tab; p->name; p++) | |
1706 | { | |
1707 | p->index = index++; | |
1708 | expand_opcode (12, 0, p->index, p->code); | |
1709 | } | |
1710 | } | |
1711 | ||
1712 | static void | |
1713 | gensim () | |
1714 | { | |
1715 | op *p; | |
1716 | int j; | |
1717 | ||
1718 | printf ("{\n"); | |
1719 | printf (" switch (jump_table[iword]) {\n"); | |
1720 | ||
1721 | for (p = tab; p->name; p++) | |
1722 | { | |
1723 | int sextbit = -1; | |
1724 | int needm = 0; | |
1725 | int needn = 0; | |
1726 | ||
1727 | char *s = p->code; | |
1728 | ||
1729 | printf (" /* %s %s */\n", p->name, p->code); | |
1730 | printf (" case %d: \n", p->index); | |
1731 | ||
1732 | printf (" {\n"); | |
1733 | while (*s) | |
1734 | { | |
1735 | switch (*s) | |
1736 | { | |
1737 | case '0': | |
1738 | case '1': | |
1739 | case '.': | |
1740 | s += 4; | |
1741 | break; | |
1742 | case 'n': | |
1743 | printf (" int n = (iword >>8) & 0xf;\n"); | |
1744 | needn = 1; | |
1745 | s += 4; | |
1746 | break; | |
1747 | case 'm': | |
1748 | printf (" int m = (iword >>4) & 0xf;\n"); | |
1749 | needm = 1; | |
1750 | s += 4; | |
1751 | ||
1752 | break; | |
1753 | ||
1754 | case 'i': | |
1755 | printf (" int i = (iword & 0x"); | |
1756 | ||
1757 | switch (s[1]) | |
1758 | { | |
1759 | case '4': | |
1760 | printf ("f"); | |
1761 | break; | |
1762 | case '8': | |
1763 | printf ("ff"); | |
1764 | break; | |
1765 | case '1': | |
1766 | sextbit = 12; | |
1767 | ||
1768 | printf ("fff"); | |
1769 | break; | |
1770 | } | |
1771 | printf (")"); | |
1772 | ||
1773 | switch (s[3]) | |
1774 | { | |
1775 | case '1': | |
1776 | break; | |
1777 | case '2': | |
1778 | printf ("<<1"); | |
1779 | break; | |
1780 | case '4': | |
1781 | printf ("<<2"); | |
1782 | break; | |
1783 | } | |
1784 | printf (";\n"); | |
1785 | s += 4; | |
1786 | } | |
1787 | } | |
1788 | if (sextbit > 0) | |
1789 | { | |
1790 | printf (" i = (i ^ (1<<%d))-(1<<%d);\n", | |
1791 | sextbit - 1, sextbit - 1); | |
1792 | } | |
1793 | ||
1794 | if (needm && needn) | |
1795 | printf (" TB(m,n);\n"); | |
1796 | else if (needm) | |
1797 | printf (" TL(m);\n"); | |
1798 | else if (needn) | |
1799 | printf (" TL(n);\n"); | |
1800 | ||
1801 | { | |
1802 | /* Do the refs */ | |
1803 | char *r; | |
1804 | for (r = p->refs; *r; r++) | |
1805 | { | |
1806 | if (*r == '0') printf(" CREF(0);\n"); | |
1807 | if (*r == 'n') printf(" CREF(n);\n"); | |
1808 | if (*r == 'm') printf(" CREF(m);\n"); | |
1809 | } | |
1810 | } | |
1811 | ||
1812 | printf (" {\n"); | |
1813 | for (j = 0; j < MAX_NR_STUFF; j++) | |
1814 | { | |
1815 | if (p->stuff[j]) | |
1816 | { | |
1817 | printf (" %s\n", p->stuff[j]); | |
1818 | } | |
1819 | } | |
1820 | printf (" }\n"); | |
1821 | ||
1822 | { | |
1823 | /* Do the defs */ | |
1824 | char *r; | |
1825 | for (r = p->defs; *r; r++) | |
1826 | { | |
1827 | if (*r == '0') printf(" CDEF(0);\n"); | |
1828 | if (*r == 'n') printf(" CDEF(n);\n"); | |
1829 | if (*r == 'm') printf(" CDEF(m);\n"); | |
1830 | } | |
1831 | } | |
1832 | ||
1833 | printf (" break;\n"); | |
1834 | printf (" }\n"); | |
1835 | } | |
1836 | printf (" default:\n"); | |
1837 | printf (" {\n"); | |
1838 | printf (" saved_state.asregs.exception = SIGILL;\n"); | |
1839 | printf (" }\n"); | |
1840 | printf (" }\n"); | |
1841 | printf ("}\n"); | |
1842 | } | |
1843 | ||
1844 | ||
1845 | static void | |
1846 | gendefines () | |
1847 | { | |
1848 | op *p; | |
1849 | filltable(); | |
1850 | for (p = tab; p->name; p++) | |
1851 | { | |
1852 | char *s = p->name; | |
1853 | printf ("#define OPC_"); | |
1854 | while (*s) { | |
1855 | if (isupper(*s)) | |
1856 | *s = tolower(*s); | |
1857 | if (isalpha(*s)) printf("%c", *s); | |
1858 | if (*s == ' ') printf("_"); | |
1859 | if (*s == '@') printf("ind_"); | |
1860 | if (*s == ',') printf("_"); | |
1861 | s++; | |
1862 | } | |
1863 | printf(" %d\n",p->index); | |
1864 | } | |
1865 | } | |
1866 | ||
1867 | int | |
1868 | main (ac, av) | |
1869 | int ac; | |
1870 | char **av; | |
1871 | { | |
1872 | /* verify the table before anything else */ | |
1873 | { | |
1874 | op *p; | |
1875 | for (p = tab; p->name; p++) | |
1876 | { | |
1877 | /* check that the code field contains 16 bits */ | |
1878 | if (strlen (p->code) != 16) | |
1879 | { | |
1880 | fprintf (stderr, "Code `%s' length wrong (%d) for `%s'\n", | |
1881 | p->code, strlen (p->code), p->name); | |
1882 | abort (); | |
1883 | } | |
1884 | } | |
1885 | } | |
1886 | ||
1887 | /* now generate the requested data */ | |
1888 | if (ac > 1) | |
1889 | { | |
1890 | if (strcmp (av[1], "-t") == 0) | |
1891 | { | |
1892 | gengastab (); | |
1893 | } | |
1894 | else if (strcmp (av[1], "-d") == 0) | |
1895 | { | |
1896 | gendefines (); | |
1897 | } | |
1898 | else if (strcmp (av[1], "-s") == 0) | |
1899 | { | |
1900 | filltable (); | |
1901 | dumptable (); | |
1902 | ||
1903 | } | |
1904 | else if (strcmp (av[1], "-x") == 0) | |
1905 | { | |
1906 | filltable (); | |
1907 | gensim (); | |
1908 | } | |
1909 | } | |
1910 | else | |
1911 | { | |
1912 | genopc (); | |
1913 | } | |
1914 | return 0; | |
1915 | } |