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48e06fe0 BK |
1 | /* |
2 | * TriCore emulation for qemu: main translation routines. | |
3 | * | |
4 | * Copyright (c) 2013-2014 Bastian Koppelmann C-Lab/University Paderborn | |
5 | * | |
6 | * This library is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2 of the License, or (at your option) any later version. | |
10 | * | |
11 | * This library 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 GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | ||
21 | #include "cpu.h" | |
22 | #include "disas/disas.h" | |
23 | #include "tcg-op.h" | |
24 | #include "exec/cpu_ldst.h" | |
25 | ||
26 | #include "exec/helper-proto.h" | |
27 | #include "exec/helper-gen.h" | |
28 | ||
7c87d074 | 29 | #include "tricore-opcodes.h" |
0707ec1b | 30 | |
0aaeb118 BK |
31 | /* |
32 | * TCG registers | |
33 | */ | |
34 | static TCGv cpu_PC; | |
35 | static TCGv cpu_PCXI; | |
36 | static TCGv cpu_PSW; | |
37 | static TCGv cpu_ICR; | |
38 | /* GPR registers */ | |
39 | static TCGv cpu_gpr_a[16]; | |
40 | static TCGv cpu_gpr_d[16]; | |
41 | /* PSW Flag cache */ | |
42 | static TCGv cpu_PSW_C; | |
43 | static TCGv cpu_PSW_V; | |
44 | static TCGv cpu_PSW_SV; | |
45 | static TCGv cpu_PSW_AV; | |
46 | static TCGv cpu_PSW_SAV; | |
47 | /* CPU env */ | |
48 | static TCGv_ptr cpu_env; | |
49 | ||
50 | #include "exec/gen-icount.h" | |
48e06fe0 BK |
51 | |
52 | static const char *regnames_a[] = { | |
53 | "a0" , "a1" , "a2" , "a3" , "a4" , "a5" , | |
54 | "a6" , "a7" , "a8" , "a9" , "sp" , "a11" , | |
55 | "a12" , "a13" , "a14" , "a15", | |
56 | }; | |
57 | ||
58 | static const char *regnames_d[] = { | |
59 | "d0" , "d1" , "d2" , "d3" , "d4" , "d5" , | |
60 | "d6" , "d7" , "d8" , "d9" , "d10" , "d11" , | |
61 | "d12" , "d13" , "d14" , "d15", | |
62 | }; | |
63 | ||
0aaeb118 BK |
64 | typedef struct DisasContext { |
65 | struct TranslationBlock *tb; | |
66 | target_ulong pc, saved_pc, next_pc; | |
67 | uint32_t opcode; | |
68 | int singlestep_enabled; | |
69 | /* Routine used to access memory */ | |
70 | int mem_idx; | |
71 | uint32_t hflags, saved_hflags; | |
72 | int bstate; | |
73 | } DisasContext; | |
74 | ||
75 | enum { | |
76 | ||
77 | BS_NONE = 0, | |
78 | BS_STOP = 1, | |
79 | BS_BRANCH = 2, | |
80 | BS_EXCP = 3, | |
81 | }; | |
82 | ||
48e06fe0 BK |
83 | void tricore_cpu_dump_state(CPUState *cs, FILE *f, |
84 | fprintf_function cpu_fprintf, int flags) | |
85 | { | |
86 | TriCoreCPU *cpu = TRICORE_CPU(cs); | |
87 | CPUTriCoreState *env = &cpu->env; | |
88 | int i; | |
89 | ||
90 | cpu_fprintf(f, "PC=%08x\n", env->PC); | |
91 | for (i = 0; i < 16; ++i) { | |
92 | if ((i & 3) == 0) { | |
93 | cpu_fprintf(f, "GPR A%02d:", i); | |
94 | } | |
95 | cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames_a[i], env->gpr_a[i]); | |
96 | } | |
97 | for (i = 0; i < 16; ++i) { | |
98 | if ((i & 3) == 0) { | |
99 | cpu_fprintf(f, "GPR D%02d:", i); | |
100 | } | |
101 | cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames_d[i], env->gpr_d[i]); | |
102 | } | |
103 | ||
104 | } | |
105 | ||
0707ec1b BK |
106 | /* |
107 | * Functions to generate micro-ops | |
108 | */ | |
109 | ||
9a31922b BK |
110 | /* Makros for generating helpers */ |
111 | ||
112 | #define gen_helper_1arg(name, arg) do { \ | |
113 | TCGv_i32 helper_tmp = tcg_const_i32(arg); \ | |
114 | gen_helper_##name(cpu_env, helper_tmp); \ | |
115 | tcg_temp_free_i32(helper_tmp); \ | |
116 | } while (0) | |
117 | ||
59543d4e | 118 | #define EA_ABS_FORMAT(con) (((con & 0x3C000) << 14) + (con & 0x3FFF)) |
f718b0bb BK |
119 | #define EA_B_ABSOLUT(con) (((offset & 0xf00000) << 8) | \ |
120 | ((offset & 0x0fffff) << 1)) | |
59543d4e | 121 | |
d2798210 BK |
122 | /* Functions for load/save to/from memory */ |
123 | ||
124 | static inline void gen_offset_ld(DisasContext *ctx, TCGv r1, TCGv r2, | |
125 | int16_t con, TCGMemOp mop) | |
126 | { | |
127 | TCGv temp = tcg_temp_new(); | |
128 | tcg_gen_addi_tl(temp, r2, con); | |
129 | tcg_gen_qemu_ld_tl(r1, temp, ctx->mem_idx, mop); | |
130 | tcg_temp_free(temp); | |
131 | } | |
132 | ||
133 | static inline void gen_offset_st(DisasContext *ctx, TCGv r1, TCGv r2, | |
134 | int16_t con, TCGMemOp mop) | |
135 | { | |
136 | TCGv temp = tcg_temp_new(); | |
137 | tcg_gen_addi_tl(temp, r2, con); | |
138 | tcg_gen_qemu_st_tl(r1, temp, ctx->mem_idx, mop); | |
139 | tcg_temp_free(temp); | |
140 | } | |
141 | ||
59543d4e BK |
142 | static void gen_st_2regs_64(TCGv rh, TCGv rl, TCGv address, DisasContext *ctx) |
143 | { | |
144 | TCGv_i64 temp = tcg_temp_new_i64(); | |
145 | ||
146 | tcg_gen_concat_i32_i64(temp, rl, rh); | |
147 | tcg_gen_qemu_st_i64(temp, address, ctx->mem_idx, MO_LEQ); | |
148 | ||
149 | tcg_temp_free_i64(temp); | |
150 | } | |
151 | ||
152 | static void gen_ld_2regs_64(TCGv rh, TCGv rl, TCGv address, DisasContext *ctx) | |
153 | { | |
154 | TCGv_i64 temp = tcg_temp_new_i64(); | |
155 | ||
156 | tcg_gen_qemu_ld_i64(temp, address, ctx->mem_idx, MO_LEQ); | |
157 | /* write back to two 32 bit regs */ | |
158 | tcg_gen_extr_i64_i32(rl, rh, temp); | |
159 | ||
160 | tcg_temp_free_i64(temp); | |
161 | } | |
162 | ||
163 | /* M(EA, word) = (M(EA, word) & ~E[a][63:32]) | (E[a][31:0] & E[a][63:32]); */ | |
164 | static void gen_ldmst(DisasContext *ctx, int ereg, TCGv ea) | |
165 | { | |
166 | TCGv temp = tcg_temp_new(); | |
167 | TCGv temp2 = tcg_temp_new(); | |
168 | ||
169 | /* temp = (M(EA, word) */ | |
170 | tcg_gen_qemu_ld_tl(temp, ea, ctx->mem_idx, MO_LEUL); | |
171 | /* temp = temp & ~E[a][63:32]) */ | |
172 | tcg_gen_andc_tl(temp, temp, cpu_gpr_d[ereg+1]); | |
173 | /* temp2 = (E[a][31:0] & E[a][63:32]); */ | |
174 | tcg_gen_and_tl(temp2, cpu_gpr_d[ereg], cpu_gpr_d[ereg+1]); | |
175 | /* temp = temp | temp2; */ | |
176 | tcg_gen_or_tl(temp, temp, temp2); | |
177 | /* M(EA, word) = temp; */ | |
178 | tcg_gen_qemu_st_tl(temp, ea, ctx->mem_idx, MO_LEUL); | |
179 | ||
180 | tcg_temp_free(temp); | |
181 | tcg_temp_free(temp2); | |
182 | } | |
183 | ||
184 | /* tmp = M(EA, word); | |
185 | M(EA, word) = D[a]; | |
186 | D[a] = tmp[31:0];*/ | |
187 | static void gen_swap(DisasContext *ctx, int reg, TCGv ea) | |
188 | { | |
189 | TCGv temp = tcg_temp_new(); | |
190 | ||
191 | tcg_gen_qemu_ld_tl(temp, ea, ctx->mem_idx, MO_LEUL); | |
192 | tcg_gen_qemu_st_tl(cpu_gpr_d[reg], ea, ctx->mem_idx, MO_LEUL); | |
193 | tcg_gen_mov_tl(cpu_gpr_d[reg], temp); | |
194 | ||
195 | tcg_temp_free(temp); | |
196 | } | |
197 | ||
0707ec1b BK |
198 | /* Functions for arithmetic instructions */ |
199 | ||
200 | static inline void gen_add_d(TCGv ret, TCGv r1, TCGv r2) | |
201 | { | |
202 | TCGv t0 = tcg_temp_new_i32(); | |
203 | TCGv result = tcg_temp_new_i32(); | |
204 | /* Addition and set V/SV bits */ | |
205 | tcg_gen_add_tl(result, r1, r2); | |
206 | /* calc V bit */ | |
207 | tcg_gen_xor_tl(cpu_PSW_V, result, r1); | |
208 | tcg_gen_xor_tl(t0, r1, r2); | |
209 | tcg_gen_andc_tl(cpu_PSW_V, cpu_PSW_V, t0); | |
210 | /* Calc SV bit */ | |
211 | tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_SV, cpu_PSW_V); | |
212 | /* Calc AV/SAV bits */ | |
213 | tcg_gen_add_tl(cpu_PSW_AV, result, result); | |
214 | tcg_gen_xor_tl(cpu_PSW_AV, result, cpu_PSW_AV); | |
215 | /* calc SAV */ | |
216 | tcg_gen_or_tl(cpu_PSW_SAV, cpu_PSW_SAV, cpu_PSW_AV); | |
217 | /* write back result */ | |
218 | tcg_gen_mov_tl(ret, result); | |
219 | ||
220 | tcg_temp_free(result); | |
221 | tcg_temp_free(t0); | |
222 | } | |
223 | ||
224 | static inline void gen_addi_d(TCGv ret, TCGv r1, target_ulong r2) | |
225 | { | |
226 | TCGv temp = tcg_const_i32(r2); | |
227 | gen_add_d(ret, r1, temp); | |
228 | tcg_temp_free(temp); | |
229 | } | |
230 | ||
231 | static inline void gen_cond_add(TCGCond cond, TCGv r1, TCGv r2, TCGv r3, | |
232 | TCGv r4) | |
233 | { | |
234 | TCGv temp = tcg_temp_new(); | |
235 | TCGv temp2 = tcg_temp_new(); | |
236 | TCGv result = tcg_temp_new(); | |
237 | TCGv mask = tcg_temp_new(); | |
238 | TCGv t0 = tcg_const_i32(0); | |
239 | ||
240 | /* create mask for sticky bits */ | |
241 | tcg_gen_setcond_tl(cond, mask, r4, t0); | |
242 | tcg_gen_shli_tl(mask, mask, 31); | |
243 | ||
244 | tcg_gen_add_tl(result, r1, r2); | |
245 | /* Calc PSW_V */ | |
246 | tcg_gen_xor_tl(temp, result, r1); | |
247 | tcg_gen_xor_tl(temp2, r1, r2); | |
248 | tcg_gen_andc_tl(temp, temp, temp2); | |
249 | tcg_gen_movcond_tl(cond, cpu_PSW_V, r4, t0, temp, cpu_PSW_V); | |
250 | /* Set PSW_SV */ | |
251 | tcg_gen_and_tl(temp, temp, mask); | |
252 | tcg_gen_or_tl(cpu_PSW_SV, temp, cpu_PSW_SV); | |
253 | /* calc AV bit */ | |
254 | tcg_gen_add_tl(temp, result, result); | |
255 | tcg_gen_xor_tl(temp, temp, result); | |
256 | tcg_gen_movcond_tl(cond, cpu_PSW_AV, r4, t0, temp, cpu_PSW_AV); | |
257 | /* calc SAV bit */ | |
258 | tcg_gen_and_tl(temp, temp, mask); | |
259 | tcg_gen_or_tl(cpu_PSW_SAV, temp, cpu_PSW_SAV); | |
260 | /* write back result */ | |
261 | tcg_gen_movcond_tl(cond, r3, r4, t0, result, r3); | |
262 | ||
263 | tcg_temp_free(t0); | |
264 | tcg_temp_free(temp); | |
265 | tcg_temp_free(temp2); | |
266 | tcg_temp_free(result); | |
267 | tcg_temp_free(mask); | |
268 | } | |
269 | ||
270 | static inline void gen_condi_add(TCGCond cond, TCGv r1, int32_t r2, | |
271 | TCGv r3, TCGv r4) | |
272 | { | |
273 | TCGv temp = tcg_const_i32(r2); | |
274 | gen_cond_add(cond, r1, temp, r3, r4); | |
275 | tcg_temp_free(temp); | |
276 | } | |
277 | ||
2692802a BK |
278 | static inline void gen_sub_d(TCGv ret, TCGv r1, TCGv r2) |
279 | { | |
280 | TCGv temp = tcg_temp_new_i32(); | |
281 | TCGv result = tcg_temp_new_i32(); | |
282 | ||
283 | tcg_gen_sub_tl(result, r1, r2); | |
284 | /* calc V bit */ | |
285 | tcg_gen_xor_tl(cpu_PSW_V, result, r1); | |
286 | tcg_gen_xor_tl(temp, r1, r2); | |
287 | tcg_gen_and_tl(cpu_PSW_V, cpu_PSW_V, temp); | |
288 | /* calc SV bit */ | |
289 | tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_SV, cpu_PSW_V); | |
290 | /* Calc AV bit */ | |
291 | tcg_gen_add_tl(cpu_PSW_AV, result, result); | |
292 | tcg_gen_xor_tl(cpu_PSW_AV, result, cpu_PSW_AV); | |
293 | /* calc SAV bit */ | |
294 | tcg_gen_or_tl(cpu_PSW_SAV, cpu_PSW_SAV, cpu_PSW_AV); | |
295 | /* write back result */ | |
296 | tcg_gen_mov_tl(ret, result); | |
297 | ||
298 | tcg_temp_free(temp); | |
299 | tcg_temp_free(result); | |
300 | } | |
301 | ||
302 | static inline void gen_mul_i32s(TCGv ret, TCGv r1, TCGv r2) | |
303 | { | |
304 | TCGv high = tcg_temp_new(); | |
305 | TCGv low = tcg_temp_new(); | |
306 | ||
307 | tcg_gen_muls2_tl(low, high, r1, r2); | |
308 | tcg_gen_mov_tl(ret, low); | |
309 | /* calc V bit */ | |
310 | tcg_gen_sari_tl(low, low, 31); | |
311 | tcg_gen_setcond_tl(TCG_COND_NE, cpu_PSW_V, high, low); | |
312 | tcg_gen_shli_tl(cpu_PSW_V, cpu_PSW_V, 31); | |
313 | /* calc SV bit */ | |
314 | tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_SV, cpu_PSW_V); | |
315 | /* Calc AV bit */ | |
316 | tcg_gen_add_tl(cpu_PSW_AV, ret, ret); | |
317 | tcg_gen_xor_tl(cpu_PSW_AV, ret, cpu_PSW_AV); | |
318 | /* calc SAV bit */ | |
319 | tcg_gen_or_tl(cpu_PSW_SAV, cpu_PSW_SAV, cpu_PSW_AV); | |
320 | ||
321 | tcg_temp_free(high); | |
322 | tcg_temp_free(low); | |
323 | } | |
324 | ||
44ea3430 BK |
325 | static void gen_saturate(TCGv ret, TCGv arg, int32_t up, int32_t low) |
326 | { | |
327 | TCGv sat_neg = tcg_const_i32(low); | |
328 | TCGv temp = tcg_const_i32(up); | |
329 | ||
330 | /* sat_neg = (arg < low ) ? low : arg; */ | |
331 | tcg_gen_movcond_tl(TCG_COND_LT, sat_neg, arg, sat_neg, sat_neg, arg); | |
332 | ||
333 | /* ret = (sat_neg > up ) ? up : sat_neg; */ | |
334 | tcg_gen_movcond_tl(TCG_COND_GT, ret, sat_neg, temp, temp, sat_neg); | |
335 | ||
336 | tcg_temp_free(sat_neg); | |
337 | tcg_temp_free(temp); | |
338 | } | |
339 | ||
340 | static void gen_saturate_u(TCGv ret, TCGv arg, int32_t up) | |
341 | { | |
342 | TCGv temp = tcg_const_i32(up); | |
343 | /* sat_neg = (arg > up ) ? up : arg; */ | |
344 | tcg_gen_movcond_tl(TCG_COND_GTU, ret, arg, temp, temp, arg); | |
345 | tcg_temp_free(temp); | |
346 | } | |
347 | ||
0707ec1b BK |
348 | static void gen_shi(TCGv ret, TCGv r1, int32_t shift_count) |
349 | { | |
350 | if (shift_count == -32) { | |
351 | tcg_gen_movi_tl(ret, 0); | |
352 | } else if (shift_count >= 0) { | |
353 | tcg_gen_shli_tl(ret, r1, shift_count); | |
354 | } else { | |
355 | tcg_gen_shri_tl(ret, r1, -shift_count); | |
356 | } | |
357 | } | |
358 | ||
359 | static void gen_shaci(TCGv ret, TCGv r1, int32_t shift_count) | |
360 | { | |
361 | uint32_t msk, msk_start; | |
362 | TCGv temp = tcg_temp_new(); | |
363 | TCGv temp2 = tcg_temp_new(); | |
364 | TCGv t_0 = tcg_const_i32(0); | |
365 | ||
366 | if (shift_count == 0) { | |
367 | /* Clear PSW.C and PSW.V */ | |
368 | tcg_gen_movi_tl(cpu_PSW_C, 0); | |
369 | tcg_gen_mov_tl(cpu_PSW_V, cpu_PSW_C); | |
370 | tcg_gen_mov_tl(ret, r1); | |
371 | } else if (shift_count == -32) { | |
372 | /* set PSW.C */ | |
373 | tcg_gen_mov_tl(cpu_PSW_C, r1); | |
374 | /* fill ret completly with sign bit */ | |
375 | tcg_gen_sari_tl(ret, r1, 31); | |
376 | /* clear PSW.V */ | |
377 | tcg_gen_movi_tl(cpu_PSW_V, 0); | |
378 | } else if (shift_count > 0) { | |
379 | TCGv t_max = tcg_const_i32(0x7FFFFFFF >> shift_count); | |
380 | TCGv t_min = tcg_const_i32(((int32_t) -0x80000000) >> shift_count); | |
381 | ||
382 | /* calc carry */ | |
383 | msk_start = 32 - shift_count; | |
384 | msk = ((1 << shift_count) - 1) << msk_start; | |
385 | tcg_gen_andi_tl(cpu_PSW_C, r1, msk); | |
386 | /* calc v/sv bits */ | |
387 | tcg_gen_setcond_tl(TCG_COND_GT, temp, r1, t_max); | |
388 | tcg_gen_setcond_tl(TCG_COND_LT, temp2, r1, t_min); | |
389 | tcg_gen_or_tl(cpu_PSW_V, temp, temp2); | |
390 | tcg_gen_shli_tl(cpu_PSW_V, cpu_PSW_V, 31); | |
391 | /* calc sv */ | |
392 | tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_V, cpu_PSW_SV); | |
393 | /* do shift */ | |
394 | tcg_gen_shli_tl(ret, r1, shift_count); | |
395 | ||
396 | tcg_temp_free(t_max); | |
397 | tcg_temp_free(t_min); | |
398 | } else { | |
399 | /* clear PSW.V */ | |
400 | tcg_gen_movi_tl(cpu_PSW_V, 0); | |
401 | /* calc carry */ | |
402 | msk = (1 << -shift_count) - 1; | |
403 | tcg_gen_andi_tl(cpu_PSW_C, r1, msk); | |
404 | /* do shift */ | |
405 | tcg_gen_sari_tl(ret, r1, -shift_count); | |
406 | } | |
407 | /* calc av overflow bit */ | |
408 | tcg_gen_add_tl(cpu_PSW_AV, ret, ret); | |
409 | tcg_gen_xor_tl(cpu_PSW_AV, ret, cpu_PSW_AV); | |
410 | /* calc sav overflow bit */ | |
411 | tcg_gen_or_tl(cpu_PSW_SAV, cpu_PSW_SAV, cpu_PSW_AV); | |
412 | ||
413 | tcg_temp_free(temp); | |
414 | tcg_temp_free(temp2); | |
415 | tcg_temp_free(t_0); | |
416 | } | |
417 | ||
2692802a BK |
418 | static inline void gen_adds(TCGv ret, TCGv r1, TCGv r2) |
419 | { | |
420 | gen_helper_add_ssov(ret, cpu_env, r1, r2); | |
421 | } | |
422 | ||
423 | static inline void gen_subs(TCGv ret, TCGv r1, TCGv r2) | |
424 | { | |
425 | gen_helper_sub_ssov(ret, cpu_env, r1, r2); | |
426 | } | |
427 | ||
b74f2b5b BK |
428 | static inline void gen_bit_2op(TCGv ret, TCGv r1, TCGv r2, |
429 | int pos1, int pos2, | |
430 | void(*op1)(TCGv, TCGv, TCGv), | |
431 | void(*op2)(TCGv, TCGv, TCGv)) | |
432 | { | |
433 | TCGv temp1, temp2; | |
434 | ||
435 | temp1 = tcg_temp_new(); | |
436 | temp2 = tcg_temp_new(); | |
437 | ||
438 | tcg_gen_shri_tl(temp2, r2, pos2); | |
439 | tcg_gen_shri_tl(temp1, r1, pos1); | |
440 | ||
441 | (*op1)(temp1, temp1, temp2); | |
442 | (*op2)(temp1 , ret, temp1); | |
443 | ||
444 | tcg_gen_deposit_tl(ret, ret, temp1, 0, 1); | |
445 | ||
446 | tcg_temp_free(temp1); | |
447 | tcg_temp_free(temp2); | |
448 | } | |
449 | ||
450 | /* ret = r1[pos1] op1 r2[pos2]; */ | |
451 | static inline void gen_bit_1op(TCGv ret, TCGv r1, TCGv r2, | |
452 | int pos1, int pos2, | |
453 | void(*op1)(TCGv, TCGv, TCGv)) | |
454 | { | |
455 | TCGv temp1, temp2; | |
456 | ||
457 | temp1 = tcg_temp_new(); | |
458 | temp2 = tcg_temp_new(); | |
459 | ||
460 | tcg_gen_shri_tl(temp2, r2, pos2); | |
461 | tcg_gen_shri_tl(temp1, r1, pos1); | |
462 | ||
463 | (*op1)(ret, temp1, temp2); | |
464 | ||
465 | tcg_gen_andi_tl(ret, ret, 0x1); | |
466 | ||
467 | tcg_temp_free(temp1); | |
468 | tcg_temp_free(temp2); | |
469 | } | |
470 | ||
9a31922b BK |
471 | /* helpers for generating program flow micro-ops */ |
472 | ||
473 | static inline void gen_save_pc(target_ulong pc) | |
474 | { | |
475 | tcg_gen_movi_tl(cpu_PC, pc); | |
476 | } | |
477 | ||
478 | static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) | |
479 | { | |
480 | TranslationBlock *tb; | |
481 | tb = ctx->tb; | |
482 | if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) && | |
483 | likely(!ctx->singlestep_enabled)) { | |
484 | tcg_gen_goto_tb(n); | |
485 | gen_save_pc(dest); | |
486 | tcg_gen_exit_tb((uintptr_t)tb + n); | |
487 | } else { | |
488 | gen_save_pc(dest); | |
489 | if (ctx->singlestep_enabled) { | |
490 | /* raise exception debug */ | |
491 | } | |
492 | tcg_gen_exit_tb(0); | |
493 | } | |
494 | } | |
495 | ||
496 | static inline void gen_branch_cond(DisasContext *ctx, TCGCond cond, TCGv r1, | |
497 | TCGv r2, int16_t address) | |
498 | { | |
499 | int jumpLabel; | |
500 | jumpLabel = gen_new_label(); | |
501 | tcg_gen_brcond_tl(cond, r1, r2, jumpLabel); | |
502 | ||
503 | gen_goto_tb(ctx, 1, ctx->next_pc); | |
504 | ||
505 | gen_set_label(jumpLabel); | |
506 | gen_goto_tb(ctx, 0, ctx->pc + address * 2); | |
507 | } | |
508 | ||
509 | static inline void gen_branch_condi(DisasContext *ctx, TCGCond cond, TCGv r1, | |
510 | int r2, int16_t address) | |
511 | { | |
512 | TCGv temp = tcg_const_i32(r2); | |
513 | gen_branch_cond(ctx, cond, r1, temp, address); | |
514 | tcg_temp_free(temp); | |
515 | } | |
516 | ||
a47b50db BK |
517 | static void gen_loop(DisasContext *ctx, int r1, int32_t offset) |
518 | { | |
519 | int l1; | |
520 | l1 = gen_new_label(); | |
521 | ||
522 | tcg_gen_subi_tl(cpu_gpr_a[r1], cpu_gpr_a[r1], 1); | |
523 | tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr_a[r1], -1, l1); | |
524 | gen_goto_tb(ctx, 1, ctx->pc + offset); | |
525 | gen_set_label(l1); | |
526 | gen_goto_tb(ctx, 0, ctx->next_pc); | |
527 | } | |
528 | ||
9a31922b BK |
529 | static void gen_compute_branch(DisasContext *ctx, uint32_t opc, int r1, |
530 | int r2 , int32_t constant , int32_t offset) | |
531 | { | |
70b02262 BK |
532 | TCGv temp; |
533 | ||
9a31922b BK |
534 | switch (opc) { |
535 | /* SB-format jumps */ | |
536 | case OPC1_16_SB_J: | |
537 | case OPC1_32_B_J: | |
538 | gen_goto_tb(ctx, 0, ctx->pc + offset * 2); | |
539 | break; | |
f718b0bb | 540 | case OPC1_32_B_CALL: |
9a31922b BK |
541 | case OPC1_16_SB_CALL: |
542 | gen_helper_1arg(call, ctx->next_pc); | |
543 | gen_goto_tb(ctx, 0, ctx->pc + offset * 2); | |
544 | break; | |
545 | case OPC1_16_SB_JZ: | |
546 | gen_branch_condi(ctx, TCG_COND_EQ, cpu_gpr_d[15], 0, offset); | |
547 | break; | |
548 | case OPC1_16_SB_JNZ: | |
549 | gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_d[15], 0, offset); | |
550 | break; | |
70b02262 BK |
551 | /* SBC-format jumps */ |
552 | case OPC1_16_SBC_JEQ: | |
553 | gen_branch_condi(ctx, TCG_COND_EQ, cpu_gpr_d[15], constant, offset); | |
554 | break; | |
555 | case OPC1_16_SBC_JNE: | |
556 | gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_d[15], constant, offset); | |
557 | break; | |
558 | /* SBRN-format jumps */ | |
559 | case OPC1_16_SBRN_JZ_T: | |
560 | temp = tcg_temp_new(); | |
561 | tcg_gen_andi_tl(temp, cpu_gpr_d[15], 0x1u << constant); | |
562 | gen_branch_condi(ctx, TCG_COND_EQ, temp, 0, offset); | |
563 | tcg_temp_free(temp); | |
564 | break; | |
565 | case OPC1_16_SBRN_JNZ_T: | |
566 | temp = tcg_temp_new(); | |
567 | tcg_gen_andi_tl(temp, cpu_gpr_d[15], 0x1u << constant); | |
568 | gen_branch_condi(ctx, TCG_COND_NE, temp, 0, offset); | |
569 | tcg_temp_free(temp); | |
570 | break; | |
a47b50db BK |
571 | /* SBR-format jumps */ |
572 | case OPC1_16_SBR_JEQ: | |
573 | gen_branch_cond(ctx, TCG_COND_EQ, cpu_gpr_d[r1], cpu_gpr_d[15], | |
574 | offset); | |
575 | break; | |
576 | case OPC1_16_SBR_JNE: | |
577 | gen_branch_cond(ctx, TCG_COND_NE, cpu_gpr_d[r1], cpu_gpr_d[15], | |
578 | offset); | |
579 | break; | |
580 | case OPC1_16_SBR_JNZ: | |
581 | gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_d[r1], 0, offset); | |
582 | break; | |
583 | case OPC1_16_SBR_JNZ_A: | |
584 | gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_a[r1], 0, offset); | |
585 | break; | |
586 | case OPC1_16_SBR_JGEZ: | |
587 | gen_branch_condi(ctx, TCG_COND_GE, cpu_gpr_d[r1], 0, offset); | |
588 | break; | |
589 | case OPC1_16_SBR_JGTZ: | |
590 | gen_branch_condi(ctx, TCG_COND_GT, cpu_gpr_d[r1], 0, offset); | |
591 | break; | |
592 | case OPC1_16_SBR_JLEZ: | |
593 | gen_branch_condi(ctx, TCG_COND_LE, cpu_gpr_d[r1], 0, offset); | |
594 | break; | |
595 | case OPC1_16_SBR_JLTZ: | |
596 | gen_branch_condi(ctx, TCG_COND_LT, cpu_gpr_d[r1], 0, offset); | |
597 | break; | |
598 | case OPC1_16_SBR_JZ: | |
599 | gen_branch_condi(ctx, TCG_COND_EQ, cpu_gpr_d[r1], 0, offset); | |
600 | break; | |
601 | case OPC1_16_SBR_JZ_A: | |
602 | gen_branch_condi(ctx, TCG_COND_EQ, cpu_gpr_a[r1], 0, offset); | |
603 | break; | |
604 | case OPC1_16_SBR_LOOP: | |
605 | gen_loop(ctx, r1, offset * 2 - 32); | |
606 | break; | |
44ea3430 BK |
607 | /* SR-format jumps */ |
608 | case OPC1_16_SR_JI: | |
609 | tcg_gen_andi_tl(cpu_PC, cpu_gpr_a[r1], 0xfffffffe); | |
610 | tcg_gen_exit_tb(0); | |
611 | break; | |
612 | case OPC2_16_SR_RET: | |
613 | gen_helper_ret(cpu_env); | |
614 | tcg_gen_exit_tb(0); | |
615 | break; | |
f718b0bb BK |
616 | /* B-format */ |
617 | case OPC1_32_B_CALLA: | |
618 | gen_helper_1arg(call, ctx->next_pc); | |
619 | gen_goto_tb(ctx, 0, EA_B_ABSOLUT(offset)); | |
620 | break; | |
621 | case OPC1_32_B_JLA: | |
622 | tcg_gen_movi_tl(cpu_gpr_a[11], ctx->next_pc); | |
623 | case OPC1_32_B_JA: | |
624 | gen_goto_tb(ctx, 0, EA_B_ABSOLUT(offset)); | |
625 | break; | |
626 | case OPC1_32_B_JL: | |
627 | tcg_gen_movi_tl(cpu_gpr_a[11], ctx->next_pc); | |
628 | gen_goto_tb(ctx, 0, ctx->pc + offset * 2); | |
629 | break; | |
9a31922b | 630 | default: |
a47b50db | 631 | printf("Branch Error at %x\n", ctx->pc); |
9a31922b BK |
632 | } |
633 | ctx->bstate = BS_BRANCH; | |
634 | } | |
635 | ||
636 | ||
0707ec1b BK |
637 | /* |
638 | * Functions for decoding instructions | |
639 | */ | |
640 | ||
641 | static void decode_src_opc(DisasContext *ctx, int op1) | |
642 | { | |
643 | int r1; | |
644 | int32_t const4; | |
645 | TCGv temp, temp2; | |
646 | ||
647 | r1 = MASK_OP_SRC_S1D(ctx->opcode); | |
648 | const4 = MASK_OP_SRC_CONST4_SEXT(ctx->opcode); | |
649 | ||
650 | switch (op1) { | |
651 | case OPC1_16_SRC_ADD: | |
652 | gen_addi_d(cpu_gpr_d[r1], cpu_gpr_d[r1], const4); | |
653 | break; | |
654 | case OPC1_16_SRC_ADD_A15: | |
655 | gen_addi_d(cpu_gpr_d[r1], cpu_gpr_d[15], const4); | |
656 | break; | |
657 | case OPC1_16_SRC_ADD_15A: | |
658 | gen_addi_d(cpu_gpr_d[15], cpu_gpr_d[r1], const4); | |
659 | break; | |
660 | case OPC1_16_SRC_ADD_A: | |
661 | tcg_gen_addi_tl(cpu_gpr_a[r1], cpu_gpr_a[r1], const4); | |
662 | break; | |
663 | case OPC1_16_SRC_CADD: | |
664 | gen_condi_add(TCG_COND_NE, cpu_gpr_d[r1], const4, cpu_gpr_d[r1], | |
665 | cpu_gpr_d[15]); | |
666 | break; | |
667 | case OPC1_16_SRC_CADDN: | |
668 | gen_condi_add(TCG_COND_EQ, cpu_gpr_d[r1], const4, cpu_gpr_d[r1], | |
669 | cpu_gpr_d[15]); | |
670 | break; | |
671 | case OPC1_16_SRC_CMOV: | |
672 | temp = tcg_const_tl(0); | |
673 | temp2 = tcg_const_tl(const4); | |
674 | tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr_d[r1], cpu_gpr_d[15], temp, | |
675 | temp2, cpu_gpr_d[r1]); | |
676 | tcg_temp_free(temp); | |
677 | tcg_temp_free(temp2); | |
678 | break; | |
679 | case OPC1_16_SRC_CMOVN: | |
680 | temp = tcg_const_tl(0); | |
681 | temp2 = tcg_const_tl(const4); | |
682 | tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr_d[r1], cpu_gpr_d[15], temp, | |
683 | temp2, cpu_gpr_d[r1]); | |
684 | tcg_temp_free(temp); | |
685 | tcg_temp_free(temp2); | |
686 | break; | |
687 | case OPC1_16_SRC_EQ: | |
688 | tcg_gen_setcondi_tl(TCG_COND_EQ, cpu_gpr_d[15], cpu_gpr_d[r1], | |
689 | const4); | |
690 | break; | |
691 | case OPC1_16_SRC_LT: | |
692 | tcg_gen_setcondi_tl(TCG_COND_LT, cpu_gpr_d[15], cpu_gpr_d[r1], | |
693 | const4); | |
694 | break; | |
695 | case OPC1_16_SRC_MOV: | |
696 | tcg_gen_movi_tl(cpu_gpr_d[r1], const4); | |
697 | break; | |
698 | case OPC1_16_SRC_MOV_A: | |
699 | const4 = MASK_OP_SRC_CONST4(ctx->opcode); | |
700 | tcg_gen_movi_tl(cpu_gpr_a[r1], const4); | |
701 | break; | |
702 | case OPC1_16_SRC_SH: | |
703 | gen_shi(cpu_gpr_d[r1], cpu_gpr_d[r1], const4); | |
704 | break; | |
705 | case OPC1_16_SRC_SHA: | |
706 | gen_shaci(cpu_gpr_d[r1], cpu_gpr_d[r1], const4); | |
707 | break; | |
708 | } | |
709 | } | |
710 | ||
2692802a BK |
711 | static void decode_srr_opc(DisasContext *ctx, int op1) |
712 | { | |
713 | int r1, r2; | |
714 | TCGv temp; | |
715 | ||
716 | r1 = MASK_OP_SRR_S1D(ctx->opcode); | |
717 | r2 = MASK_OP_SRR_S2(ctx->opcode); | |
718 | ||
719 | switch (op1) { | |
720 | case OPC1_16_SRR_ADD: | |
721 | gen_add_d(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]); | |
722 | break; | |
723 | case OPC1_16_SRR_ADD_A15: | |
724 | gen_add_d(cpu_gpr_d[r1], cpu_gpr_d[15], cpu_gpr_d[r2]); | |
725 | break; | |
726 | case OPC1_16_SRR_ADD_15A: | |
727 | gen_add_d(cpu_gpr_d[15], cpu_gpr_d[r1], cpu_gpr_d[r2]); | |
728 | break; | |
729 | case OPC1_16_SRR_ADD_A: | |
730 | tcg_gen_add_tl(cpu_gpr_a[r1], cpu_gpr_a[r1], cpu_gpr_a[r2]); | |
731 | break; | |
732 | case OPC1_16_SRR_ADDS: | |
733 | gen_adds(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]); | |
734 | break; | |
735 | case OPC1_16_SRR_AND: | |
736 | tcg_gen_and_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]); | |
737 | break; | |
738 | case OPC1_16_SRR_CMOV: | |
739 | temp = tcg_const_tl(0); | |
740 | tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr_d[r1], cpu_gpr_d[15], temp, | |
741 | cpu_gpr_d[r2], cpu_gpr_d[r1]); | |
742 | tcg_temp_free(temp); | |
743 | break; | |
744 | case OPC1_16_SRR_CMOVN: | |
745 | temp = tcg_const_tl(0); | |
746 | tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr_d[r1], cpu_gpr_d[15], temp, | |
747 | cpu_gpr_d[r2], cpu_gpr_d[r1]); | |
748 | tcg_temp_free(temp); | |
749 | break; | |
750 | case OPC1_16_SRR_EQ: | |
751 | tcg_gen_setcond_tl(TCG_COND_EQ, cpu_gpr_d[15], cpu_gpr_d[r1], | |
752 | cpu_gpr_d[r2]); | |
753 | break; | |
754 | case OPC1_16_SRR_LT: | |
755 | tcg_gen_setcond_tl(TCG_COND_LT, cpu_gpr_d[15], cpu_gpr_d[r1], | |
756 | cpu_gpr_d[r2]); | |
757 | break; | |
758 | case OPC1_16_SRR_MOV: | |
759 | tcg_gen_mov_tl(cpu_gpr_d[r1], cpu_gpr_d[r2]); | |
760 | break; | |
761 | case OPC1_16_SRR_MOV_A: | |
762 | tcg_gen_mov_tl(cpu_gpr_a[r1], cpu_gpr_d[r2]); | |
763 | break; | |
764 | case OPC1_16_SRR_MOV_AA: | |
765 | tcg_gen_mov_tl(cpu_gpr_a[r1], cpu_gpr_a[r2]); | |
766 | break; | |
767 | case OPC1_16_SRR_MOV_D: | |
768 | tcg_gen_mov_tl(cpu_gpr_d[r1], cpu_gpr_a[r2]); | |
769 | break; | |
770 | case OPC1_16_SRR_MUL: | |
771 | gen_mul_i32s(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]); | |
772 | break; | |
773 | case OPC1_16_SRR_OR: | |
774 | tcg_gen_or_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]); | |
775 | break; | |
776 | case OPC1_16_SRR_SUB: | |
777 | gen_sub_d(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]); | |
778 | break; | |
779 | case OPC1_16_SRR_SUB_A15B: | |
780 | gen_sub_d(cpu_gpr_d[r1], cpu_gpr_d[15], cpu_gpr_d[r2]); | |
781 | break; | |
782 | case OPC1_16_SRR_SUB_15AB: | |
783 | gen_sub_d(cpu_gpr_d[15], cpu_gpr_d[r1], cpu_gpr_d[r2]); | |
784 | break; | |
785 | case OPC1_16_SRR_SUBS: | |
786 | gen_subs(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]); | |
787 | break; | |
788 | case OPC1_16_SRR_XOR: | |
789 | tcg_gen_xor_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]); | |
790 | break; | |
791 | } | |
792 | } | |
793 | ||
46aa848f BK |
794 | static void decode_ssr_opc(DisasContext *ctx, int op1) |
795 | { | |
796 | int r1, r2; | |
797 | ||
798 | r1 = MASK_OP_SSR_S1(ctx->opcode); | |
799 | r2 = MASK_OP_SSR_S2(ctx->opcode); | |
800 | ||
801 | switch (op1) { | |
802 | case OPC1_16_SSR_ST_A: | |
803 | tcg_gen_qemu_st_tl(cpu_gpr_a[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LEUL); | |
804 | break; | |
805 | case OPC1_16_SSR_ST_A_POSTINC: | |
806 | tcg_gen_qemu_st_tl(cpu_gpr_a[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LEUL); | |
807 | tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 4); | |
808 | break; | |
809 | case OPC1_16_SSR_ST_B: | |
810 | tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_UB); | |
811 | break; | |
812 | case OPC1_16_SSR_ST_B_POSTINC: | |
813 | tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_UB); | |
814 | tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 1); | |
815 | break; | |
816 | case OPC1_16_SSR_ST_H: | |
817 | tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LEUW); | |
818 | break; | |
819 | case OPC1_16_SSR_ST_H_POSTINC: | |
820 | tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LEUW); | |
821 | tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 2); | |
822 | break; | |
823 | case OPC1_16_SSR_ST_W: | |
824 | tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LEUL); | |
825 | break; | |
826 | case OPC1_16_SSR_ST_W_POSTINC: | |
827 | tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LEUL); | |
828 | tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 4); | |
829 | break; | |
830 | } | |
831 | } | |
832 | ||
5de93515 BK |
833 | static void decode_sc_opc(DisasContext *ctx, int op1) |
834 | { | |
835 | int32_t const16; | |
836 | ||
837 | const16 = MASK_OP_SC_CONST8(ctx->opcode); | |
838 | ||
839 | switch (op1) { | |
840 | case OPC1_16_SC_AND: | |
841 | tcg_gen_andi_tl(cpu_gpr_d[15], cpu_gpr_d[15], const16); | |
842 | break; | |
843 | case OPC1_16_SC_BISR: | |
844 | gen_helper_1arg(bisr, const16 & 0xff); | |
845 | break; | |
846 | case OPC1_16_SC_LD_A: | |
847 | gen_offset_ld(ctx, cpu_gpr_a[15], cpu_gpr_a[10], const16 * 4, MO_LESL); | |
848 | break; | |
849 | case OPC1_16_SC_LD_W: | |
850 | gen_offset_ld(ctx, cpu_gpr_d[15], cpu_gpr_a[10], const16 * 4, MO_LESL); | |
851 | break; | |
852 | case OPC1_16_SC_MOV: | |
853 | tcg_gen_movi_tl(cpu_gpr_d[15], const16); | |
854 | break; | |
855 | case OPC1_16_SC_OR: | |
856 | tcg_gen_ori_tl(cpu_gpr_d[15], cpu_gpr_d[15], const16); | |
857 | break; | |
858 | case OPC1_16_SC_ST_A: | |
859 | gen_offset_st(ctx, cpu_gpr_a[15], cpu_gpr_a[10], const16 * 4, MO_LESL); | |
860 | break; | |
861 | case OPC1_16_SC_ST_W: | |
862 | gen_offset_st(ctx, cpu_gpr_d[15], cpu_gpr_a[10], const16 * 4, MO_LESL); | |
863 | break; | |
864 | case OPC1_16_SC_SUB_A: | |
865 | tcg_gen_subi_tl(cpu_gpr_a[10], cpu_gpr_a[10], const16); | |
866 | break; | |
867 | } | |
868 | } | |
5a7634a2 BK |
869 | |
870 | static void decode_slr_opc(DisasContext *ctx, int op1) | |
871 | { | |
872 | int r1, r2; | |
873 | ||
874 | r1 = MASK_OP_SLR_D(ctx->opcode); | |
875 | r2 = MASK_OP_SLR_S2(ctx->opcode); | |
876 | ||
877 | switch (op1) { | |
878 | /* SLR-format */ | |
879 | case OPC1_16_SLR_LD_A: | |
880 | tcg_gen_qemu_ld_tl(cpu_gpr_a[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LESL); | |
881 | break; | |
882 | case OPC1_16_SLR_LD_A_POSTINC: | |
883 | tcg_gen_qemu_ld_tl(cpu_gpr_a[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LESL); | |
884 | tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 4); | |
885 | break; | |
886 | case OPC1_16_SLR_LD_BU: | |
887 | tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_UB); | |
888 | break; | |
889 | case OPC1_16_SLR_LD_BU_POSTINC: | |
890 | tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_UB); | |
891 | tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 1); | |
892 | break; | |
893 | case OPC1_16_SLR_LD_H: | |
894 | tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LESW); | |
895 | break; | |
896 | case OPC1_16_SLR_LD_H_POSTINC: | |
897 | tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LESW); | |
898 | tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 2); | |
899 | break; | |
900 | case OPC1_16_SLR_LD_W: | |
901 | tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LESW); | |
902 | break; | |
903 | case OPC1_16_SLR_LD_W_POSTINC: | |
904 | tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LESW); | |
905 | tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 4); | |
906 | break; | |
907 | } | |
908 | } | |
909 | ||
910 | static void decode_sro_opc(DisasContext *ctx, int op1) | |
911 | { | |
912 | int r2; | |
913 | int32_t address; | |
914 | ||
915 | r2 = MASK_OP_SRO_S2(ctx->opcode); | |
916 | address = MASK_OP_SRO_OFF4(ctx->opcode); | |
917 | ||
918 | /* SRO-format */ | |
919 | switch (op1) { | |
920 | case OPC1_16_SRO_LD_A: | |
921 | gen_offset_ld(ctx, cpu_gpr_a[15], cpu_gpr_a[r2], address * 4, MO_LESL); | |
922 | break; | |
923 | case OPC1_16_SRO_LD_BU: | |
924 | gen_offset_ld(ctx, cpu_gpr_d[15], cpu_gpr_a[r2], address, MO_UB); | |
925 | break; | |
926 | case OPC1_16_SRO_LD_H: | |
927 | gen_offset_ld(ctx, cpu_gpr_d[15], cpu_gpr_a[r2], address, MO_LESW); | |
928 | break; | |
929 | case OPC1_16_SRO_LD_W: | |
930 | gen_offset_ld(ctx, cpu_gpr_d[15], cpu_gpr_a[r2], address * 4, MO_LESL); | |
931 | break; | |
932 | case OPC1_16_SRO_ST_A: | |
933 | gen_offset_st(ctx, cpu_gpr_a[15], cpu_gpr_a[r2], address * 4, MO_LESL); | |
934 | break; | |
935 | case OPC1_16_SRO_ST_B: | |
936 | gen_offset_st(ctx, cpu_gpr_d[15], cpu_gpr_a[r2], address, MO_UB); | |
937 | break; | |
938 | case OPC1_16_SRO_ST_H: | |
939 | gen_offset_st(ctx, cpu_gpr_d[15], cpu_gpr_a[r2], address * 2, MO_LESW); | |
940 | break; | |
941 | case OPC1_16_SRO_ST_W: | |
942 | gen_offset_st(ctx, cpu_gpr_d[15], cpu_gpr_a[r2], address * 4, MO_LESL); | |
943 | break; | |
944 | } | |
945 | } | |
946 | ||
44ea3430 BK |
947 | static void decode_sr_system(CPUTriCoreState *env, DisasContext *ctx) |
948 | { | |
949 | uint32_t op2; | |
950 | op2 = MASK_OP_SR_OP2(ctx->opcode); | |
951 | ||
952 | switch (op2) { | |
953 | case OPC2_16_SR_NOP: | |
954 | break; | |
955 | case OPC2_16_SR_RET: | |
956 | gen_compute_branch(ctx, op2, 0, 0, 0, 0); | |
957 | break; | |
958 | case OPC2_16_SR_RFE: | |
959 | gen_helper_rfe(cpu_env); | |
960 | tcg_gen_exit_tb(0); | |
961 | ctx->bstate = BS_BRANCH; | |
962 | break; | |
963 | case OPC2_16_SR_DEBUG: | |
964 | /* raise EXCP_DEBUG */ | |
965 | break; | |
966 | } | |
967 | } | |
968 | ||
969 | static void decode_sr_accu(CPUTriCoreState *env, DisasContext *ctx) | |
970 | { | |
971 | uint32_t op2; | |
972 | uint32_t r1; | |
973 | TCGv temp; | |
974 | ||
975 | r1 = MASK_OP_SR_S1D(ctx->opcode); | |
976 | op2 = MASK_OP_SR_OP2(ctx->opcode); | |
977 | ||
978 | switch (op2) { | |
979 | case OPC2_16_SR_RSUB: | |
980 | /* overflow only if r1 = -0x80000000 */ | |
981 | temp = tcg_const_i32(-0x80000000); | |
982 | /* calc V bit */ | |
983 | tcg_gen_setcond_tl(TCG_COND_EQ, cpu_PSW_V, cpu_gpr_d[r1], temp); | |
984 | tcg_gen_shli_tl(cpu_PSW_V, cpu_PSW_V, 31); | |
985 | /* calc SV bit */ | |
986 | tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_SV, cpu_PSW_V); | |
987 | /* sub */ | |
988 | tcg_gen_neg_tl(cpu_gpr_d[r1], cpu_gpr_d[r1]); | |
989 | /* calc av */ | |
990 | tcg_gen_add_tl(cpu_PSW_AV, cpu_gpr_d[r1], cpu_gpr_d[r1]); | |
991 | tcg_gen_xor_tl(cpu_PSW_AV, cpu_gpr_d[r1], cpu_PSW_AV); | |
992 | /* calc sav */ | |
993 | tcg_gen_or_tl(cpu_PSW_SAV, cpu_PSW_SAV, cpu_PSW_AV); | |
994 | tcg_temp_free(temp); | |
995 | break; | |
996 | case OPC2_16_SR_SAT_B: | |
997 | gen_saturate(cpu_gpr_d[r1], cpu_gpr_d[r1], 0x7f, -0x80); | |
998 | break; | |
999 | case OPC2_16_SR_SAT_BU: | |
1000 | gen_saturate_u(cpu_gpr_d[r1], cpu_gpr_d[r1], 0xff); | |
1001 | break; | |
1002 | case OPC2_16_SR_SAT_H: | |
1003 | gen_saturate(cpu_gpr_d[r1], cpu_gpr_d[r1], 0x7fff, -0x8000); | |
1004 | break; | |
1005 | case OPC2_16_SR_SAT_HU: | |
1006 | gen_saturate_u(cpu_gpr_d[r1], cpu_gpr_d[r1], 0xffff); | |
1007 | break; | |
1008 | } | |
1009 | } | |
1010 | ||
0aaeb118 BK |
1011 | static void decode_16Bit_opc(CPUTriCoreState *env, DisasContext *ctx) |
1012 | { | |
0707ec1b | 1013 | int op1; |
d2798210 BK |
1014 | int r1, r2; |
1015 | int32_t const16; | |
9a31922b | 1016 | int32_t address; |
d2798210 | 1017 | TCGv temp; |
0707ec1b BK |
1018 | |
1019 | op1 = MASK_OP_MAJOR(ctx->opcode); | |
1020 | ||
d2798210 BK |
1021 | /* handle ADDSC.A opcode only being 6 bit long */ |
1022 | if (unlikely((op1 & 0x3f) == OPC1_16_SRRS_ADDSC_A)) { | |
1023 | op1 = OPC1_16_SRRS_ADDSC_A; | |
1024 | } | |
1025 | ||
0707ec1b BK |
1026 | switch (op1) { |
1027 | case OPC1_16_SRC_ADD: | |
1028 | case OPC1_16_SRC_ADD_A15: | |
1029 | case OPC1_16_SRC_ADD_15A: | |
1030 | case OPC1_16_SRC_ADD_A: | |
1031 | case OPC1_16_SRC_CADD: | |
1032 | case OPC1_16_SRC_CADDN: | |
1033 | case OPC1_16_SRC_CMOV: | |
1034 | case OPC1_16_SRC_CMOVN: | |
1035 | case OPC1_16_SRC_EQ: | |
1036 | case OPC1_16_SRC_LT: | |
1037 | case OPC1_16_SRC_MOV: | |
1038 | case OPC1_16_SRC_MOV_A: | |
1039 | case OPC1_16_SRC_SH: | |
1040 | case OPC1_16_SRC_SHA: | |
1041 | decode_src_opc(ctx, op1); | |
1042 | break; | |
2692802a BK |
1043 | /* SRR-format */ |
1044 | case OPC1_16_SRR_ADD: | |
1045 | case OPC1_16_SRR_ADD_A15: | |
1046 | case OPC1_16_SRR_ADD_15A: | |
1047 | case OPC1_16_SRR_ADD_A: | |
1048 | case OPC1_16_SRR_ADDS: | |
1049 | case OPC1_16_SRR_AND: | |
1050 | case OPC1_16_SRR_CMOV: | |
1051 | case OPC1_16_SRR_CMOVN: | |
1052 | case OPC1_16_SRR_EQ: | |
1053 | case OPC1_16_SRR_LT: | |
1054 | case OPC1_16_SRR_MOV: | |
1055 | case OPC1_16_SRR_MOV_A: | |
1056 | case OPC1_16_SRR_MOV_AA: | |
1057 | case OPC1_16_SRR_MOV_D: | |
1058 | case OPC1_16_SRR_MUL: | |
1059 | case OPC1_16_SRR_OR: | |
1060 | case OPC1_16_SRR_SUB: | |
1061 | case OPC1_16_SRR_SUB_A15B: | |
1062 | case OPC1_16_SRR_SUB_15AB: | |
1063 | case OPC1_16_SRR_SUBS: | |
1064 | case OPC1_16_SRR_XOR: | |
1065 | decode_srr_opc(ctx, op1); | |
1066 | break; | |
46aa848f BK |
1067 | /* SSR-format */ |
1068 | case OPC1_16_SSR_ST_A: | |
1069 | case OPC1_16_SSR_ST_A_POSTINC: | |
1070 | case OPC1_16_SSR_ST_B: | |
1071 | case OPC1_16_SSR_ST_B_POSTINC: | |
1072 | case OPC1_16_SSR_ST_H: | |
1073 | case OPC1_16_SSR_ST_H_POSTINC: | |
1074 | case OPC1_16_SSR_ST_W: | |
1075 | case OPC1_16_SSR_ST_W_POSTINC: | |
1076 | decode_ssr_opc(ctx, op1); | |
1077 | break; | |
d2798210 BK |
1078 | /* SRRS-format */ |
1079 | case OPC1_16_SRRS_ADDSC_A: | |
1080 | r2 = MASK_OP_SRRS_S2(ctx->opcode); | |
1081 | r1 = MASK_OP_SRRS_S1D(ctx->opcode); | |
1082 | const16 = MASK_OP_SRRS_N(ctx->opcode); | |
1083 | temp = tcg_temp_new(); | |
1084 | tcg_gen_shli_tl(temp, cpu_gpr_d[15], const16); | |
1085 | tcg_gen_add_tl(cpu_gpr_a[r1], cpu_gpr_a[r2], temp); | |
1086 | tcg_temp_free(temp); | |
1087 | break; | |
1088 | /* SLRO-format */ | |
1089 | case OPC1_16_SLRO_LD_A: | |
1090 | r1 = MASK_OP_SLRO_D(ctx->opcode); | |
1091 | const16 = MASK_OP_SLRO_OFF4(ctx->opcode); | |
1092 | gen_offset_ld(ctx, cpu_gpr_a[r1], cpu_gpr_a[15], const16 * 4, MO_LESL); | |
1093 | break; | |
1094 | case OPC1_16_SLRO_LD_BU: | |
1095 | r1 = MASK_OP_SLRO_D(ctx->opcode); | |
1096 | const16 = MASK_OP_SLRO_OFF4(ctx->opcode); | |
1097 | gen_offset_ld(ctx, cpu_gpr_d[r1], cpu_gpr_a[15], const16, MO_UB); | |
1098 | break; | |
1099 | case OPC1_16_SLRO_LD_H: | |
1100 | r1 = MASK_OP_SLRO_D(ctx->opcode); | |
1101 | const16 = MASK_OP_SLRO_OFF4(ctx->opcode); | |
1102 | gen_offset_ld(ctx, cpu_gpr_d[r1], cpu_gpr_a[15], const16 * 2, MO_LESW); | |
1103 | break; | |
1104 | case OPC1_16_SLRO_LD_W: | |
1105 | r1 = MASK_OP_SLRO_D(ctx->opcode); | |
1106 | const16 = MASK_OP_SLRO_OFF4(ctx->opcode); | |
1107 | gen_offset_ld(ctx, cpu_gpr_d[r1], cpu_gpr_a[15], const16 * 4, MO_LESL); | |
1108 | break; | |
9a31922b BK |
1109 | /* SB-format */ |
1110 | case OPC1_16_SB_CALL: | |
1111 | case OPC1_16_SB_J: | |
1112 | case OPC1_16_SB_JNZ: | |
1113 | case OPC1_16_SB_JZ: | |
1114 | address = MASK_OP_SB_DISP8_SEXT(ctx->opcode); | |
1115 | gen_compute_branch(ctx, op1, 0, 0, 0, address); | |
1116 | break; | |
70b02262 BK |
1117 | /* SBC-format */ |
1118 | case OPC1_16_SBC_JEQ: | |
1119 | case OPC1_16_SBC_JNE: | |
1120 | address = MASK_OP_SBC_DISP4(ctx->opcode); | |
1121 | const16 = MASK_OP_SBC_CONST4_SEXT(ctx->opcode); | |
1122 | gen_compute_branch(ctx, op1, 0, 0, const16, address); | |
1123 | break; | |
1124 | /* SBRN-format */ | |
1125 | case OPC1_16_SBRN_JNZ_T: | |
1126 | case OPC1_16_SBRN_JZ_T: | |
1127 | address = MASK_OP_SBRN_DISP4(ctx->opcode); | |
1128 | const16 = MASK_OP_SBRN_N(ctx->opcode); | |
1129 | gen_compute_branch(ctx, op1, 0, 0, const16, address); | |
1130 | break; | |
a47b50db BK |
1131 | /* SBR-format */ |
1132 | case OPC1_16_SBR_JEQ: | |
1133 | case OPC1_16_SBR_JGEZ: | |
1134 | case OPC1_16_SBR_JGTZ: | |
1135 | case OPC1_16_SBR_JLEZ: | |
1136 | case OPC1_16_SBR_JLTZ: | |
1137 | case OPC1_16_SBR_JNE: | |
1138 | case OPC1_16_SBR_JNZ: | |
1139 | case OPC1_16_SBR_JNZ_A: | |
1140 | case OPC1_16_SBR_JZ: | |
1141 | case OPC1_16_SBR_JZ_A: | |
1142 | case OPC1_16_SBR_LOOP: | |
1143 | r1 = MASK_OP_SBR_S2(ctx->opcode); | |
1144 | address = MASK_OP_SBR_DISP4(ctx->opcode); | |
1145 | gen_compute_branch(ctx, op1, r1, 0, 0, address); | |
1146 | break; | |
5de93515 BK |
1147 | /* SC-format */ |
1148 | case OPC1_16_SC_AND: | |
1149 | case OPC1_16_SC_BISR: | |
1150 | case OPC1_16_SC_LD_A: | |
1151 | case OPC1_16_SC_LD_W: | |
1152 | case OPC1_16_SC_MOV: | |
1153 | case OPC1_16_SC_OR: | |
1154 | case OPC1_16_SC_ST_A: | |
1155 | case OPC1_16_SC_ST_W: | |
1156 | case OPC1_16_SC_SUB_A: | |
1157 | decode_sc_opc(ctx, op1); | |
1158 | break; | |
5a7634a2 BK |
1159 | /* SLR-format */ |
1160 | case OPC1_16_SLR_LD_A: | |
1161 | case OPC1_16_SLR_LD_A_POSTINC: | |
1162 | case OPC1_16_SLR_LD_BU: | |
1163 | case OPC1_16_SLR_LD_BU_POSTINC: | |
1164 | case OPC1_16_SLR_LD_H: | |
1165 | case OPC1_16_SLR_LD_H_POSTINC: | |
1166 | case OPC1_16_SLR_LD_W: | |
1167 | case OPC1_16_SLR_LD_W_POSTINC: | |
1168 | decode_slr_opc(ctx, op1); | |
1169 | break; | |
1170 | /* SRO-format */ | |
1171 | case OPC1_16_SRO_LD_A: | |
1172 | case OPC1_16_SRO_LD_BU: | |
1173 | case OPC1_16_SRO_LD_H: | |
1174 | case OPC1_16_SRO_LD_W: | |
1175 | case OPC1_16_SRO_ST_A: | |
1176 | case OPC1_16_SRO_ST_B: | |
1177 | case OPC1_16_SRO_ST_H: | |
1178 | case OPC1_16_SRO_ST_W: | |
1179 | decode_sro_opc(ctx, op1); | |
1180 | break; | |
1181 | /* SSRO-format */ | |
1182 | case OPC1_16_SSRO_ST_A: | |
1183 | r1 = MASK_OP_SSRO_S1(ctx->opcode); | |
1184 | const16 = MASK_OP_SSRO_OFF4(ctx->opcode); | |
1185 | gen_offset_st(ctx, cpu_gpr_a[r1], cpu_gpr_a[15], const16 * 4, MO_LESL); | |
1186 | break; | |
1187 | case OPC1_16_SSRO_ST_B: | |
1188 | r1 = MASK_OP_SSRO_S1(ctx->opcode); | |
1189 | const16 = MASK_OP_SSRO_OFF4(ctx->opcode); | |
1190 | gen_offset_st(ctx, cpu_gpr_d[r1], cpu_gpr_a[15], const16, MO_UB); | |
1191 | break; | |
1192 | case OPC1_16_SSRO_ST_H: | |
1193 | r1 = MASK_OP_SSRO_S1(ctx->opcode); | |
1194 | const16 = MASK_OP_SSRO_OFF4(ctx->opcode); | |
1195 | gen_offset_st(ctx, cpu_gpr_d[r1], cpu_gpr_a[15], const16 * 2, MO_LESW); | |
1196 | break; | |
1197 | case OPC1_16_SSRO_ST_W: | |
1198 | r1 = MASK_OP_SSRO_S1(ctx->opcode); | |
1199 | const16 = MASK_OP_SSRO_OFF4(ctx->opcode); | |
1200 | gen_offset_st(ctx, cpu_gpr_d[r1], cpu_gpr_a[15], const16 * 4, MO_LESL); | |
1201 | break; | |
44ea3430 BK |
1202 | /* SR-format */ |
1203 | case OPCM_16_SR_SYSTEM: | |
1204 | decode_sr_system(env, ctx); | |
1205 | break; | |
1206 | case OPCM_16_SR_ACCU: | |
1207 | decode_sr_accu(env, ctx); | |
1208 | break; | |
1209 | case OPC1_16_SR_JI: | |
1210 | r1 = MASK_OP_SR_S1D(ctx->opcode); | |
1211 | gen_compute_branch(ctx, op1, r1, 0, 0, 0); | |
1212 | break; | |
1213 | case OPC1_16_SR_NOT: | |
1214 | r1 = MASK_OP_SR_S1D(ctx->opcode); | |
1215 | tcg_gen_not_tl(cpu_gpr_d[r1], cpu_gpr_d[r1]); | |
1216 | break; | |
0707ec1b | 1217 | } |
0aaeb118 BK |
1218 | } |
1219 | ||
59543d4e BK |
1220 | /* |
1221 | * 32 bit instructions | |
1222 | */ | |
1223 | ||
1224 | /* ABS-format */ | |
1225 | static void decode_abs_ldw(CPUTriCoreState *env, DisasContext *ctx) | |
1226 | { | |
1227 | int32_t op2; | |
1228 | int32_t r1; | |
1229 | uint32_t address; | |
1230 | TCGv temp; | |
1231 | ||
1232 | r1 = MASK_OP_ABS_S1D(ctx->opcode); | |
1233 | address = MASK_OP_ABS_OFF18(ctx->opcode); | |
1234 | op2 = MASK_OP_ABS_OP2(ctx->opcode); | |
1235 | ||
1236 | temp = tcg_const_i32(EA_ABS_FORMAT(address)); | |
1237 | ||
1238 | switch (op2) { | |
1239 | case OPC2_32_ABS_LD_A: | |
1240 | tcg_gen_qemu_ld_tl(cpu_gpr_a[r1], temp, ctx->mem_idx, MO_LESL); | |
1241 | break; | |
1242 | case OPC2_32_ABS_LD_D: | |
1243 | gen_ld_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], temp, ctx); | |
1244 | break; | |
1245 | case OPC2_32_ABS_LD_DA: | |
1246 | gen_ld_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], temp, ctx); | |
1247 | break; | |
1248 | case OPC2_32_ABS_LD_W: | |
1249 | tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_LESL); | |
1250 | break; | |
1251 | } | |
1252 | ||
1253 | tcg_temp_free(temp); | |
1254 | } | |
1255 | ||
1256 | static void decode_abs_ldb(CPUTriCoreState *env, DisasContext *ctx) | |
1257 | { | |
1258 | int32_t op2; | |
1259 | int32_t r1; | |
1260 | uint32_t address; | |
1261 | TCGv temp; | |
1262 | ||
1263 | r1 = MASK_OP_ABS_S1D(ctx->opcode); | |
1264 | address = MASK_OP_ABS_OFF18(ctx->opcode); | |
1265 | op2 = MASK_OP_ABS_OP2(ctx->opcode); | |
1266 | ||
1267 | temp = tcg_const_i32(EA_ABS_FORMAT(address)); | |
1268 | ||
1269 | switch (op2) { | |
1270 | case OPC2_32_ABS_LD_B: | |
1271 | tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_SB); | |
1272 | break; | |
1273 | case OPC2_32_ABS_LD_BU: | |
1274 | tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_UB); | |
1275 | break; | |
1276 | case OPC2_32_ABS_LD_H: | |
1277 | tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_LESW); | |
1278 | break; | |
1279 | case OPC2_32_ABS_LD_HU: | |
1280 | tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_LEUW); | |
1281 | break; | |
1282 | } | |
1283 | ||
1284 | tcg_temp_free(temp); | |
1285 | } | |
1286 | ||
1287 | static void decode_abs_ldst_swap(CPUTriCoreState *env, DisasContext *ctx) | |
1288 | { | |
1289 | int32_t op2; | |
1290 | int32_t r1; | |
1291 | uint32_t address; | |
1292 | TCGv temp; | |
1293 | ||
1294 | r1 = MASK_OP_ABS_S1D(ctx->opcode); | |
1295 | address = MASK_OP_ABS_OFF18(ctx->opcode); | |
1296 | op2 = MASK_OP_ABS_OP2(ctx->opcode); | |
1297 | ||
1298 | temp = tcg_const_i32(EA_ABS_FORMAT(address)); | |
1299 | ||
1300 | switch (op2) { | |
1301 | case OPC2_32_ABS_LDMST: | |
1302 | gen_ldmst(ctx, r1, temp); | |
1303 | break; | |
1304 | case OPC2_32_ABS_SWAP_W: | |
1305 | gen_swap(ctx, r1, temp); | |
1306 | break; | |
1307 | } | |
1308 | ||
1309 | tcg_temp_free(temp); | |
1310 | } | |
1311 | ||
1312 | static void decode_abs_ldst_context(CPUTriCoreState *env, DisasContext *ctx) | |
1313 | { | |
1314 | uint32_t op2; | |
1315 | int32_t off18; | |
1316 | ||
1317 | off18 = MASK_OP_ABS_OFF18(ctx->opcode); | |
1318 | op2 = MASK_OP_ABS_OP2(ctx->opcode); | |
1319 | ||
1320 | switch (op2) { | |
1321 | case OPC2_32_ABS_LDLCX: | |
1322 | gen_helper_1arg(ldlcx, EA_ABS_FORMAT(off18)); | |
1323 | break; | |
1324 | case OPC2_32_ABS_LDUCX: | |
1325 | gen_helper_1arg(lducx, EA_ABS_FORMAT(off18)); | |
1326 | break; | |
1327 | case OPC2_32_ABS_STLCX: | |
1328 | gen_helper_1arg(stlcx, EA_ABS_FORMAT(off18)); | |
1329 | break; | |
1330 | case OPC2_32_ABS_STUCX: | |
1331 | gen_helper_1arg(stucx, EA_ABS_FORMAT(off18)); | |
1332 | break; | |
1333 | } | |
1334 | } | |
1335 | ||
1336 | static void decode_abs_store(CPUTriCoreState *env, DisasContext *ctx) | |
1337 | { | |
1338 | int32_t op2; | |
1339 | int32_t r1; | |
1340 | uint32_t address; | |
1341 | TCGv temp; | |
1342 | ||
1343 | r1 = MASK_OP_ABS_S1D(ctx->opcode); | |
1344 | address = MASK_OP_ABS_OFF18(ctx->opcode); | |
1345 | op2 = MASK_OP_ABS_OP2(ctx->opcode); | |
1346 | ||
1347 | temp = tcg_const_i32(EA_ABS_FORMAT(address)); | |
1348 | ||
1349 | switch (op2) { | |
1350 | case OPC2_32_ABS_ST_A: | |
1351 | tcg_gen_qemu_st_tl(cpu_gpr_a[r1], temp, ctx->mem_idx, MO_LESL); | |
1352 | break; | |
1353 | case OPC2_32_ABS_ST_D: | |
1354 | gen_st_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], temp, ctx); | |
1355 | break; | |
1356 | case OPC2_32_ABS_ST_DA: | |
1357 | gen_st_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], temp, ctx); | |
1358 | break; | |
1359 | case OPC2_32_ABS_ST_W: | |
1360 | tcg_gen_qemu_st_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_LESL); | |
1361 | break; | |
1362 | ||
1363 | } | |
1364 | tcg_temp_free(temp); | |
1365 | } | |
1366 | ||
1367 | static void decode_abs_storeb_h(CPUTriCoreState *env, DisasContext *ctx) | |
1368 | { | |
1369 | int32_t op2; | |
1370 | int32_t r1; | |
1371 | uint32_t address; | |
1372 | TCGv temp; | |
1373 | ||
1374 | r1 = MASK_OP_ABS_S1D(ctx->opcode); | |
1375 | address = MASK_OP_ABS_OFF18(ctx->opcode); | |
1376 | op2 = MASK_OP_ABS_OP2(ctx->opcode); | |
1377 | ||
1378 | temp = tcg_const_i32(EA_ABS_FORMAT(address)); | |
1379 | ||
1380 | switch (op2) { | |
1381 | case OPC2_32_ABS_ST_B: | |
1382 | tcg_gen_qemu_st_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_UB); | |
1383 | break; | |
1384 | case OPC2_32_ABS_ST_H: | |
1385 | tcg_gen_qemu_st_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_LEUW); | |
1386 | break; | |
1387 | } | |
1388 | tcg_temp_free(temp); | |
1389 | } | |
1390 | ||
b74f2b5b BK |
1391 | /* Bit-format */ |
1392 | ||
1393 | static void decode_bit_andacc(CPUTriCoreState *env, DisasContext *ctx) | |
1394 | { | |
1395 | uint32_t op2; | |
1396 | int r1, r2, r3; | |
1397 | int pos1, pos2; | |
1398 | ||
1399 | r1 = MASK_OP_BIT_S1(ctx->opcode); | |
1400 | r2 = MASK_OP_BIT_S2(ctx->opcode); | |
1401 | r3 = MASK_OP_BIT_D(ctx->opcode); | |
1402 | pos1 = MASK_OP_BIT_POS1(ctx->opcode); | |
1403 | pos2 = MASK_OP_BIT_POS2(ctx->opcode); | |
1404 | op2 = MASK_OP_BIT_OP2(ctx->opcode); | |
1405 | ||
1406 | ||
1407 | switch (op2) { | |
1408 | case OPC2_32_BIT_AND_AND_T: | |
1409 | gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1410 | pos1, pos2, &tcg_gen_and_tl, &tcg_gen_and_tl); | |
1411 | break; | |
1412 | case OPC2_32_BIT_AND_ANDN_T: | |
1413 | gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1414 | pos1, pos2, &tcg_gen_andc_tl, &tcg_gen_and_tl); | |
1415 | break; | |
1416 | case OPC2_32_BIT_AND_NOR_T: | |
1417 | if (TCG_TARGET_HAS_andc_i32) { | |
1418 | gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1419 | pos1, pos2, &tcg_gen_or_tl, &tcg_gen_andc_tl); | |
1420 | } else { | |
1421 | gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1422 | pos1, pos2, &tcg_gen_nor_tl, &tcg_gen_and_tl); | |
1423 | } | |
1424 | break; | |
1425 | case OPC2_32_BIT_AND_OR_T: | |
1426 | gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1427 | pos1, pos2, &tcg_gen_or_tl, &tcg_gen_and_tl); | |
1428 | break; | |
1429 | } | |
1430 | } | |
1431 | ||
1432 | static void decode_bit_logical_t(CPUTriCoreState *env, DisasContext *ctx) | |
1433 | { | |
1434 | uint32_t op2; | |
1435 | int r1, r2, r3; | |
1436 | int pos1, pos2; | |
1437 | r1 = MASK_OP_BIT_S1(ctx->opcode); | |
1438 | r2 = MASK_OP_BIT_S2(ctx->opcode); | |
1439 | r3 = MASK_OP_BIT_D(ctx->opcode); | |
1440 | pos1 = MASK_OP_BIT_POS1(ctx->opcode); | |
1441 | pos2 = MASK_OP_BIT_POS2(ctx->opcode); | |
1442 | op2 = MASK_OP_BIT_OP2(ctx->opcode); | |
1443 | ||
1444 | switch (op2) { | |
1445 | case OPC2_32_BIT_AND_T: | |
1446 | gen_bit_1op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1447 | pos1, pos2, &tcg_gen_and_tl); | |
1448 | break; | |
1449 | case OPC2_32_BIT_ANDN_T: | |
1450 | gen_bit_1op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1451 | pos1, pos2, &tcg_gen_andc_tl); | |
1452 | break; | |
1453 | case OPC2_32_BIT_NOR_T: | |
1454 | gen_bit_1op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1455 | pos1, pos2, &tcg_gen_nor_tl); | |
1456 | break; | |
1457 | case OPC2_32_BIT_OR_T: | |
1458 | gen_bit_1op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1459 | pos1, pos2, &tcg_gen_or_tl); | |
1460 | break; | |
1461 | } | |
1462 | } | |
1463 | ||
1464 | static void decode_bit_insert(CPUTriCoreState *env, DisasContext *ctx) | |
1465 | { | |
1466 | uint32_t op2; | |
1467 | int r1, r2, r3; | |
1468 | int pos1, pos2; | |
1469 | TCGv temp; | |
1470 | op2 = MASK_OP_BIT_OP2(ctx->opcode); | |
1471 | r1 = MASK_OP_BIT_S1(ctx->opcode); | |
1472 | r2 = MASK_OP_BIT_S2(ctx->opcode); | |
1473 | r3 = MASK_OP_BIT_D(ctx->opcode); | |
1474 | pos1 = MASK_OP_BIT_POS1(ctx->opcode); | |
1475 | pos2 = MASK_OP_BIT_POS2(ctx->opcode); | |
1476 | ||
1477 | temp = tcg_temp_new(); | |
1478 | ||
1479 | tcg_gen_shri_tl(temp, cpu_gpr_d[r2], pos2); | |
1480 | if (op2 == OPC2_32_BIT_INSN_T) { | |
1481 | tcg_gen_not_tl(temp, temp); | |
1482 | } | |
1483 | tcg_gen_deposit_tl(cpu_gpr_d[r3], cpu_gpr_d[r1], temp, pos1, 1); | |
1484 | tcg_temp_free(temp); | |
1485 | } | |
1486 | ||
1487 | static void decode_bit_logical_t2(CPUTriCoreState *env, DisasContext *ctx) | |
1488 | { | |
1489 | uint32_t op2; | |
1490 | ||
1491 | int r1, r2, r3; | |
1492 | int pos1, pos2; | |
1493 | ||
1494 | op2 = MASK_OP_BIT_OP2(ctx->opcode); | |
1495 | r1 = MASK_OP_BIT_S1(ctx->opcode); | |
1496 | r2 = MASK_OP_BIT_S2(ctx->opcode); | |
1497 | r3 = MASK_OP_BIT_D(ctx->opcode); | |
1498 | pos1 = MASK_OP_BIT_POS1(ctx->opcode); | |
1499 | pos2 = MASK_OP_BIT_POS2(ctx->opcode); | |
1500 | ||
1501 | switch (op2) { | |
1502 | case OPC2_32_BIT_NAND_T: | |
1503 | gen_bit_1op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1504 | pos1, pos2, &tcg_gen_nand_tl); | |
1505 | break; | |
1506 | case OPC2_32_BIT_ORN_T: | |
1507 | gen_bit_1op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1508 | pos1, pos2, &tcg_gen_orc_tl); | |
1509 | break; | |
1510 | case OPC2_32_BIT_XNOR_T: | |
1511 | gen_bit_1op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1512 | pos1, pos2, &tcg_gen_eqv_tl); | |
1513 | break; | |
1514 | case OPC2_32_BIT_XOR_T: | |
1515 | gen_bit_1op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1516 | pos1, pos2, &tcg_gen_xor_tl); | |
1517 | break; | |
1518 | } | |
1519 | } | |
1520 | ||
1521 | static void decode_bit_orand(CPUTriCoreState *env, DisasContext *ctx) | |
1522 | { | |
1523 | uint32_t op2; | |
1524 | ||
1525 | int r1, r2, r3; | |
1526 | int pos1, pos2; | |
1527 | ||
1528 | op2 = MASK_OP_BIT_OP2(ctx->opcode); | |
1529 | r1 = MASK_OP_BIT_S1(ctx->opcode); | |
1530 | r2 = MASK_OP_BIT_S2(ctx->opcode); | |
1531 | r3 = MASK_OP_BIT_D(ctx->opcode); | |
1532 | pos1 = MASK_OP_BIT_POS1(ctx->opcode); | |
1533 | pos2 = MASK_OP_BIT_POS2(ctx->opcode); | |
1534 | ||
1535 | switch (op2) { | |
1536 | case OPC2_32_BIT_OR_AND_T: | |
1537 | gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1538 | pos1, pos2, &tcg_gen_and_tl, &tcg_gen_or_tl); | |
1539 | break; | |
1540 | case OPC2_32_BIT_OR_ANDN_T: | |
1541 | gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1542 | pos1, pos2, &tcg_gen_andc_tl, &tcg_gen_or_tl); | |
1543 | break; | |
1544 | case OPC2_32_BIT_OR_NOR_T: | |
1545 | if (TCG_TARGET_HAS_orc_i32) { | |
1546 | gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1547 | pos1, pos2, &tcg_gen_or_tl, &tcg_gen_orc_tl); | |
1548 | } else { | |
1549 | gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1550 | pos1, pos2, &tcg_gen_nor_tl, &tcg_gen_or_tl); | |
1551 | } | |
1552 | break; | |
1553 | case OPC2_32_BIT_OR_OR_T: | |
1554 | gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1555 | pos1, pos2, &tcg_gen_or_tl, &tcg_gen_or_tl); | |
1556 | break; | |
1557 | } | |
1558 | } | |
1559 | ||
1560 | static void decode_bit_sh_logic1(CPUTriCoreState *env, DisasContext *ctx) | |
1561 | { | |
1562 | uint32_t op2; | |
1563 | int r1, r2, r3; | |
1564 | int pos1, pos2; | |
1565 | TCGv temp; | |
1566 | ||
1567 | op2 = MASK_OP_BIT_OP2(ctx->opcode); | |
1568 | r1 = MASK_OP_BIT_S1(ctx->opcode); | |
1569 | r2 = MASK_OP_BIT_S2(ctx->opcode); | |
1570 | r3 = MASK_OP_BIT_D(ctx->opcode); | |
1571 | pos1 = MASK_OP_BIT_POS1(ctx->opcode); | |
1572 | pos2 = MASK_OP_BIT_POS2(ctx->opcode); | |
1573 | ||
1574 | temp = tcg_temp_new(); | |
1575 | ||
1576 | switch (op2) { | |
1577 | case OPC2_32_BIT_SH_AND_T: | |
1578 | gen_bit_1op(temp, cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1579 | pos1, pos2, &tcg_gen_and_tl); | |
1580 | break; | |
1581 | case OPC2_32_BIT_SH_ANDN_T: | |
1582 | gen_bit_1op(temp, cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1583 | pos1, pos2, &tcg_gen_andc_tl); | |
1584 | break; | |
1585 | case OPC2_32_BIT_SH_NOR_T: | |
1586 | gen_bit_1op(temp, cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1587 | pos1, pos2, &tcg_gen_nor_tl); | |
1588 | break; | |
1589 | case OPC2_32_BIT_SH_OR_T: | |
1590 | gen_bit_1op(temp, cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1591 | pos1, pos2, &tcg_gen_or_tl); | |
1592 | break; | |
1593 | } | |
1594 | tcg_gen_shli_tl(cpu_gpr_d[r3], cpu_gpr_d[r3], 1); | |
1595 | tcg_gen_add_tl(cpu_gpr_d[r3], cpu_gpr_d[r3], temp); | |
1596 | tcg_temp_free(temp); | |
1597 | } | |
1598 | ||
1599 | static void decode_bit_sh_logic2(CPUTriCoreState *env, DisasContext *ctx) | |
1600 | { | |
1601 | uint32_t op2; | |
1602 | int r1, r2, r3; | |
1603 | int pos1, pos2; | |
1604 | TCGv temp; | |
1605 | ||
1606 | op2 = MASK_OP_BIT_OP2(ctx->opcode); | |
1607 | r1 = MASK_OP_BIT_S1(ctx->opcode); | |
1608 | r2 = MASK_OP_BIT_S2(ctx->opcode); | |
1609 | r3 = MASK_OP_BIT_D(ctx->opcode); | |
1610 | pos1 = MASK_OP_BIT_POS1(ctx->opcode); | |
1611 | pos2 = MASK_OP_BIT_POS2(ctx->opcode); | |
1612 | ||
1613 | temp = tcg_temp_new(); | |
1614 | ||
1615 | switch (op2) { | |
1616 | case OPC2_32_BIT_SH_NAND_T: | |
1617 | gen_bit_1op(temp, cpu_gpr_d[r1] , cpu_gpr_d[r2] , | |
1618 | pos1, pos2, &tcg_gen_nand_tl); | |
1619 | break; | |
1620 | case OPC2_32_BIT_SH_ORN_T: | |
1621 | gen_bit_1op(temp, cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1622 | pos1, pos2, &tcg_gen_orc_tl); | |
1623 | break; | |
1624 | case OPC2_32_BIT_SH_XNOR_T: | |
1625 | gen_bit_1op(temp, cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1626 | pos1, pos2, &tcg_gen_eqv_tl); | |
1627 | break; | |
1628 | case OPC2_32_BIT_SH_XOR_T: | |
1629 | gen_bit_1op(temp, cpu_gpr_d[r1], cpu_gpr_d[r2], | |
1630 | pos1, pos2, &tcg_gen_xor_tl); | |
1631 | break; | |
1632 | } | |
1633 | tcg_gen_shli_tl(cpu_gpr_d[r3], cpu_gpr_d[r3], 1); | |
1634 | tcg_gen_add_tl(cpu_gpr_d[r3], cpu_gpr_d[r3], temp); | |
1635 | tcg_temp_free(temp); | |
1636 | } | |
1637 | ||
0aaeb118 BK |
1638 | static void decode_32Bit_opc(CPUTriCoreState *env, DisasContext *ctx) |
1639 | { | |
59543d4e BK |
1640 | int op1; |
1641 | int32_t r1; | |
1642 | int32_t address; | |
1643 | int8_t b; | |
1644 | int32_t bpos; | |
1645 | TCGv temp, temp2; | |
1646 | ||
1647 | op1 = MASK_OP_MAJOR(ctx->opcode); | |
1648 | ||
1649 | switch (op1) { | |
1650 | /* ABS-format */ | |
1651 | case OPCM_32_ABS_LDW: | |
1652 | decode_abs_ldw(env, ctx); | |
1653 | break; | |
1654 | case OPCM_32_ABS_LDB: | |
1655 | decode_abs_ldb(env, ctx); | |
1656 | break; | |
1657 | case OPCM_32_ABS_LDMST_SWAP: | |
1658 | decode_abs_ldst_swap(env, ctx); | |
1659 | break; | |
1660 | case OPCM_32_ABS_LDST_CONTEXT: | |
1661 | decode_abs_ldst_context(env, ctx); | |
1662 | break; | |
1663 | case OPCM_32_ABS_STORE: | |
1664 | decode_abs_store(env, ctx); | |
1665 | break; | |
1666 | case OPCM_32_ABS_STOREB_H: | |
1667 | decode_abs_storeb_h(env, ctx); | |
1668 | break; | |
1669 | case OPC1_32_ABS_STOREQ: | |
1670 | address = MASK_OP_ABS_OFF18(ctx->opcode); | |
1671 | r1 = MASK_OP_ABS_S1D(ctx->opcode); | |
1672 | temp = tcg_const_i32(EA_ABS_FORMAT(address)); | |
1673 | temp2 = tcg_temp_new(); | |
1674 | ||
1675 | tcg_gen_shri_tl(temp2, cpu_gpr_d[r1], 16); | |
1676 | tcg_gen_qemu_st_tl(temp2, temp, ctx->mem_idx, MO_LEUW); | |
1677 | ||
1678 | tcg_temp_free(temp2); | |
1679 | tcg_temp_free(temp); | |
1680 | break; | |
1681 | case OPC1_32_ABS_LD_Q: | |
1682 | address = MASK_OP_ABS_OFF18(ctx->opcode); | |
1683 | r1 = MASK_OP_ABS_S1D(ctx->opcode); | |
1684 | temp = tcg_const_i32(EA_ABS_FORMAT(address)); | |
1685 | ||
1686 | tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_LEUW); | |
1687 | tcg_gen_shli_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], 16); | |
1688 | ||
1689 | tcg_temp_free(temp); | |
1690 | break; | |
1691 | case OPC1_32_ABS_LEA: | |
1692 | address = MASK_OP_ABS_OFF18(ctx->opcode); | |
1693 | r1 = MASK_OP_ABS_S1D(ctx->opcode); | |
1694 | tcg_gen_movi_tl(cpu_gpr_a[r1], EA_ABS_FORMAT(address)); | |
1695 | break; | |
1696 | /* ABSB-format */ | |
1697 | case OPC1_32_ABSB_ST_T: | |
1698 | address = MASK_OP_ABS_OFF18(ctx->opcode); | |
1699 | b = MASK_OP_ABSB_B(ctx->opcode); | |
1700 | bpos = MASK_OP_ABSB_BPOS(ctx->opcode); | |
1701 | ||
1702 | temp = tcg_const_i32(EA_ABS_FORMAT(address)); | |
1703 | temp2 = tcg_temp_new(); | |
1704 | ||
1705 | tcg_gen_qemu_ld_tl(temp2, temp, ctx->mem_idx, MO_UB); | |
1706 | tcg_gen_andi_tl(temp2, temp2, ~(0x1u << bpos)); | |
1707 | tcg_gen_ori_tl(temp2, temp2, (b << bpos)); | |
1708 | tcg_gen_qemu_st_tl(temp2, temp, ctx->mem_idx, MO_UB); | |
1709 | ||
1710 | tcg_temp_free(temp); | |
1711 | tcg_temp_free(temp2); | |
1712 | break; | |
f718b0bb BK |
1713 | /* B-format */ |
1714 | case OPC1_32_B_CALL: | |
1715 | case OPC1_32_B_CALLA: | |
1716 | case OPC1_32_B_J: | |
1717 | case OPC1_32_B_JA: | |
1718 | case OPC1_32_B_JL: | |
1719 | case OPC1_32_B_JLA: | |
1720 | address = MASK_OP_B_DISP24(ctx->opcode); | |
1721 | gen_compute_branch(ctx, op1, 0, 0, 0, address); | |
1722 | break; | |
b74f2b5b BK |
1723 | /* Bit-format */ |
1724 | case OPCM_32_BIT_ANDACC: | |
1725 | decode_bit_andacc(env, ctx); | |
1726 | break; | |
1727 | case OPCM_32_BIT_LOGICAL_T1: | |
1728 | decode_bit_logical_t(env, ctx); | |
1729 | break; | |
1730 | case OPCM_32_BIT_INSERT: | |
1731 | decode_bit_insert(env, ctx); | |
1732 | break; | |
1733 | case OPCM_32_BIT_LOGICAL_T2: | |
1734 | decode_bit_logical_t2(env, ctx); | |
1735 | break; | |
1736 | case OPCM_32_BIT_ORAND: | |
1737 | decode_bit_orand(env, ctx); | |
1738 | break; | |
1739 | case OPCM_32_BIT_SH_LOGIC1: | |
1740 | decode_bit_sh_logic1(env, ctx); | |
1741 | break; | |
1742 | case OPCM_32_BIT_SH_LOGIC2: | |
1743 | decode_bit_sh_logic2(env, ctx); | |
1744 | break; | |
59543d4e | 1745 | } |
0aaeb118 BK |
1746 | } |
1747 | ||
1748 | static void decode_opc(CPUTriCoreState *env, DisasContext *ctx, int *is_branch) | |
1749 | { | |
1750 | /* 16-Bit Instruction */ | |
1751 | if ((ctx->opcode & 0x1) == 0) { | |
1752 | ctx->next_pc = ctx->pc + 2; | |
1753 | decode_16Bit_opc(env, ctx); | |
1754 | /* 32-Bit Instruction */ | |
1755 | } else { | |
1756 | ctx->next_pc = ctx->pc + 4; | |
1757 | decode_32Bit_opc(env, ctx); | |
1758 | } | |
1759 | } | |
1760 | ||
48e06fe0 BK |
1761 | static inline void |
1762 | gen_intermediate_code_internal(TriCoreCPU *cpu, struct TranslationBlock *tb, | |
1763 | int search_pc) | |
1764 | { | |
0aaeb118 BK |
1765 | CPUState *cs = CPU(cpu); |
1766 | CPUTriCoreState *env = &cpu->env; | |
1767 | DisasContext ctx; | |
1768 | target_ulong pc_start; | |
1769 | int num_insns; | |
1770 | uint16_t *gen_opc_end; | |
1771 | ||
1772 | if (search_pc) { | |
1773 | qemu_log("search pc %d\n", search_pc); | |
1774 | } | |
1775 | ||
1776 | num_insns = 0; | |
1777 | pc_start = tb->pc; | |
1778 | gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE; | |
1779 | ctx.pc = pc_start; | |
1780 | ctx.saved_pc = -1; | |
1781 | ctx.tb = tb; | |
1782 | ctx.singlestep_enabled = cs->singlestep_enabled; | |
1783 | ctx.bstate = BS_NONE; | |
1784 | ctx.mem_idx = cpu_mmu_index(env); | |
1785 | ||
1786 | tcg_clear_temp_count(); | |
1787 | gen_tb_start(); | |
1788 | while (ctx.bstate == BS_NONE) { | |
1789 | ctx.opcode = cpu_ldl_code(env, ctx.pc); | |
1790 | decode_opc(env, &ctx, 0); | |
1791 | ||
1792 | num_insns++; | |
1793 | ||
1794 | if (tcg_ctx.gen_opc_ptr >= gen_opc_end) { | |
9a31922b BK |
1795 | gen_save_pc(ctx.next_pc); |
1796 | tcg_gen_exit_tb(0); | |
0aaeb118 BK |
1797 | break; |
1798 | } | |
1799 | if (singlestep) { | |
9a31922b BK |
1800 | gen_save_pc(ctx.next_pc); |
1801 | tcg_gen_exit_tb(0); | |
0aaeb118 BK |
1802 | break; |
1803 | } | |
1804 | ctx.pc = ctx.next_pc; | |
1805 | } | |
1806 | ||
1807 | gen_tb_end(tb, num_insns); | |
1808 | *tcg_ctx.gen_opc_ptr = INDEX_op_end; | |
1809 | if (search_pc) { | |
1810 | printf("done_generating search pc\n"); | |
1811 | } else { | |
1812 | tb->size = ctx.pc - pc_start; | |
1813 | tb->icount = num_insns; | |
1814 | } | |
1815 | if (tcg_check_temp_count()) { | |
1816 | printf("LEAK at %08x\n", env->PC); | |
1817 | } | |
1818 | ||
1819 | #ifdef DEBUG_DISAS | |
1820 | if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { | |
1821 | qemu_log("IN: %s\n", lookup_symbol(pc_start)); | |
1822 | log_target_disas(env, pc_start, ctx.pc - pc_start, 0); | |
1823 | qemu_log("\n"); | |
1824 | } | |
1825 | #endif | |
48e06fe0 BK |
1826 | } |
1827 | ||
1828 | void | |
1829 | gen_intermediate_code(CPUTriCoreState *env, struct TranslationBlock *tb) | |
1830 | { | |
1831 | gen_intermediate_code_internal(tricore_env_get_cpu(env), tb, false); | |
1832 | } | |
1833 | ||
1834 | void | |
1835 | gen_intermediate_code_pc(CPUTriCoreState *env, struct TranslationBlock *tb) | |
1836 | { | |
1837 | gen_intermediate_code_internal(tricore_env_get_cpu(env), tb, true); | |
1838 | } | |
1839 | ||
1840 | void | |
1841 | restore_state_to_opc(CPUTriCoreState *env, TranslationBlock *tb, int pc_pos) | |
1842 | { | |
1843 | env->PC = tcg_ctx.gen_opc_pc[pc_pos]; | |
1844 | } | |
1845 | /* | |
1846 | * | |
1847 | * Initialization | |
1848 | * | |
1849 | */ | |
1850 | ||
1851 | void cpu_state_reset(CPUTriCoreState *env) | |
1852 | { | |
0aaeb118 BK |
1853 | /* Reset Regs to Default Value */ |
1854 | env->PSW = 0xb80; | |
1855 | } | |
1856 | ||
1857 | static void tricore_tcg_init_csfr(void) | |
1858 | { | |
1859 | cpu_PCXI = tcg_global_mem_new(TCG_AREG0, | |
1860 | offsetof(CPUTriCoreState, PCXI), "PCXI"); | |
1861 | cpu_PSW = tcg_global_mem_new(TCG_AREG0, | |
1862 | offsetof(CPUTriCoreState, PSW), "PSW"); | |
1863 | cpu_PC = tcg_global_mem_new(TCG_AREG0, | |
1864 | offsetof(CPUTriCoreState, PC), "PC"); | |
1865 | cpu_ICR = tcg_global_mem_new(TCG_AREG0, | |
1866 | offsetof(CPUTriCoreState, ICR), "ICR"); | |
48e06fe0 BK |
1867 | } |
1868 | ||
1869 | void tricore_tcg_init(void) | |
1870 | { | |
0aaeb118 BK |
1871 | int i; |
1872 | static int inited; | |
1873 | if (inited) { | |
1874 | return; | |
1875 | } | |
1876 | cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env"); | |
1877 | /* reg init */ | |
1878 | for (i = 0 ; i < 16 ; i++) { | |
1879 | cpu_gpr_a[i] = tcg_global_mem_new(TCG_AREG0, | |
1880 | offsetof(CPUTriCoreState, gpr_a[i]), | |
1881 | regnames_a[i]); | |
1882 | } | |
1883 | for (i = 0 ; i < 16 ; i++) { | |
1884 | cpu_gpr_d[i] = tcg_global_mem_new(TCG_AREG0, | |
1885 | offsetof(CPUTriCoreState, gpr_d[i]), | |
1886 | regnames_d[i]); | |
1887 | } | |
1888 | tricore_tcg_init_csfr(); | |
1889 | /* init PSW flag cache */ | |
1890 | cpu_PSW_C = tcg_global_mem_new(TCG_AREG0, | |
1891 | offsetof(CPUTriCoreState, PSW_USB_C), | |
1892 | "PSW_C"); | |
1893 | cpu_PSW_V = tcg_global_mem_new(TCG_AREG0, | |
1894 | offsetof(CPUTriCoreState, PSW_USB_V), | |
1895 | "PSW_V"); | |
1896 | cpu_PSW_SV = tcg_global_mem_new(TCG_AREG0, | |
1897 | offsetof(CPUTriCoreState, PSW_USB_SV), | |
1898 | "PSW_SV"); | |
1899 | cpu_PSW_AV = tcg_global_mem_new(TCG_AREG0, | |
1900 | offsetof(CPUTriCoreState, PSW_USB_AV), | |
1901 | "PSW_AV"); | |
1902 | cpu_PSW_SAV = tcg_global_mem_new(TCG_AREG0, | |
1903 | offsetof(CPUTriCoreState, PSW_USB_SAV), | |
1904 | "PSW_SAV"); | |
48e06fe0 | 1905 | } |