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Commit | Line | Data |
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8170028d TS |
1 | /* |
2 | * CRIS emulation for qemu: main translation routines. | |
3 | * | |
05ba7d5f | 4 | * Copyright (c) 2008 AXIS Communications AB |
8170028d TS |
5 | * Written by Edgar E. Iglesias. |
6 | * | |
7 | * This library is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU Lesser General Public | |
9 | * License as published by the Free Software Foundation; either | |
10 | * version 2 of the License, or (at your option) any later version. | |
11 | * | |
12 | * This library is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * Lesser General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU Lesser General Public | |
18 | * License along with this library; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
b41f7df0 EI |
22 | /* |
23 | * FIXME: | |
cf1d97f0 | 24 | * The condition code translation is in need of attention. |
b41f7df0 EI |
25 | */ |
26 | ||
8170028d TS |
27 | #include <stdarg.h> |
28 | #include <stdlib.h> | |
29 | #include <stdio.h> | |
30 | #include <string.h> | |
31 | #include <inttypes.h> | |
32 | #include <assert.h> | |
33 | ||
34 | #include "cpu.h" | |
35 | #include "exec-all.h" | |
36 | #include "disas.h" | |
57fec1fe | 37 | #include "tcg-op.h" |
05ba7d5f | 38 | #include "helper.h" |
8170028d | 39 | #include "crisv32-decode.h" |
ca10f867 | 40 | #include "qemu-common.h" |
8170028d | 41 | |
8170028d TS |
42 | #define DISAS_CRIS 0 |
43 | #if DISAS_CRIS | |
a1aebcb8 | 44 | #define DIS(x) if (loglevel & CPU_LOG_TB_IN_ASM) x |
8170028d TS |
45 | #else |
46 | #define DIS(x) | |
47 | #endif | |
48 | ||
b41f7df0 | 49 | #define D(x) |
8170028d TS |
50 | #define BUG() (gen_BUG(dc, __FILE__, __LINE__)) |
51 | #define BUG_ON(x) ({if (x) BUG();}) | |
52 | ||
4f400ab5 EI |
53 | #define DISAS_SWI 5 |
54 | ||
8170028d TS |
55 | /* Used by the decoder. */ |
56 | #define EXTRACT_FIELD(src, start, end) \ | |
57 | (((src) >> start) & ((1 << (end - start + 1)) - 1)) | |
58 | ||
59 | #define CC_MASK_NZ 0xc | |
60 | #define CC_MASK_NZV 0xe | |
61 | #define CC_MASK_NZVC 0xf | |
62 | #define CC_MASK_RNZV 0x10e | |
63 | ||
9b32fbf8 EI |
64 | static TCGv cpu_env; |
65 | static TCGv cpu_T[2]; | |
66 | static TCGv cpu_R[16]; | |
67 | static TCGv cpu_PR[16]; | |
68 | static TCGv cc_x; | |
69 | static TCGv cc_src; | |
70 | static TCGv cc_dest; | |
71 | static TCGv cc_result; | |
72 | static TCGv cc_op; | |
73 | static TCGv cc_size; | |
74 | static TCGv cc_mask; | |
75 | ||
76 | static TCGv env_btaken; | |
77 | static TCGv env_btarget; | |
78 | static TCGv env_pc; | |
b41f7df0 | 79 | |
2e70f6ef PB |
80 | #include "gen-icount.h" |
81 | ||
8170028d TS |
82 | /* This is the state at translation time. */ |
83 | typedef struct DisasContext { | |
84 | CPUState *env; | |
b41f7df0 | 85 | target_ulong pc, ppc; |
8170028d TS |
86 | |
87 | /* Decoder. */ | |
88 | uint32_t ir; | |
89 | uint32_t opcode; | |
90 | unsigned int op1; | |
91 | unsigned int op2; | |
92 | unsigned int zsize, zzsize; | |
93 | unsigned int mode; | |
94 | unsigned int postinc; | |
95 | ||
8170028d TS |
96 | int update_cc; |
97 | int cc_op; | |
98 | int cc_size; | |
99 | uint32_t cc_mask; | |
30abcfc7 EI |
100 | |
101 | int cc_size_uptodate; /* -1 invalid or last written value. */ | |
102 | ||
103 | int cc_x_uptodate; /* 1 - ccs, 2 - known | X_FLAG. 0 not uptodate. */ | |
104 | int flags_uptodate; /* Wether or not $ccs is uptodate. */ | |
105 | int flagx_known; /* Wether or not flags_x has the x flag known at | |
106 | translation time. */ | |
8170028d | 107 | int flags_x; |
8170028d | 108 | |
30abcfc7 | 109 | int clear_x; /* Clear x after this insn? */ |
2a44f7f1 EI |
110 | int cpustate_changed; |
111 | unsigned int tb_flags; /* tb dependent flags. */ | |
8170028d | 112 | int is_jmp; |
8170028d | 113 | |
2a44f7f1 EI |
114 | #define JMP_NOJMP 0 |
115 | #define JMP_DIRECT 1 | |
116 | #define JMP_INDIRECT 2 | |
117 | int jmp; /* 0=nojmp, 1=direct, 2=indirect. */ | |
118 | uint32_t jmp_pc; | |
119 | ||
8170028d | 120 | int delayed_branch; |
8170028d TS |
121 | |
122 | struct TranslationBlock *tb; | |
123 | int singlestep_enabled; | |
124 | } DisasContext; | |
125 | ||
7ccfb2eb | 126 | static void gen_BUG(DisasContext *dc, const char *file, int line) |
8170028d TS |
127 | { |
128 | printf ("BUG: pc=%x %s %d\n", dc->pc, file, line); | |
129 | fprintf (logfile, "BUG: pc=%x %s %d\n", dc->pc, file, line); | |
cf1d97f0 | 130 | cpu_abort(dc->env, "%s:%d\n", file, line); |
8170028d TS |
131 | } |
132 | ||
9b32fbf8 | 133 | static const char *regnames[] = |
a825e703 EI |
134 | { |
135 | "$r0", "$r1", "$r2", "$r3", | |
136 | "$r4", "$r5", "$r6", "$r7", | |
137 | "$r8", "$r9", "$r10", "$r11", | |
138 | "$r12", "$r13", "$sp", "$acr", | |
139 | }; | |
9b32fbf8 | 140 | static const char *pregnames[] = |
a825e703 EI |
141 | { |
142 | "$bz", "$vr", "$pid", "$srs", | |
143 | "$wz", "$exs", "$eda", "$mof", | |
144 | "$dz", "$ebp", "$erp", "$srp", | |
145 | "$nrp", "$ccs", "$usp", "$spc", | |
146 | }; | |
147 | ||
05ba7d5f | 148 | /* We need this table to handle preg-moves with implicit width. */ |
9b32fbf8 | 149 | static int preg_sizes[] = { |
05ba7d5f EI |
150 | 1, /* bz. */ |
151 | 1, /* vr. */ | |
152 | 4, /* pid. */ | |
153 | 1, /* srs. */ | |
154 | 2, /* wz. */ | |
155 | 4, 4, 4, | |
156 | 4, 4, 4, 4, | |
157 | 4, 4, 4, 4, | |
158 | }; | |
159 | ||
160 | #define t_gen_mov_TN_env(tn, member) \ | |
3157a0a9 | 161 | _t_gen_mov_TN_env((tn), offsetof(CPUState, member)) |
05ba7d5f | 162 | #define t_gen_mov_env_TN(member, tn) \ |
3157a0a9 | 163 | _t_gen_mov_env_TN(offsetof(CPUState, member), (tn)) |
05ba7d5f | 164 | |
b41f7df0 EI |
165 | static inline void t_gen_mov_TN_reg(TCGv tn, int r) |
166 | { | |
167 | if (r < 0 || r > 15) | |
168 | fprintf(stderr, "wrong register read $r%d\n", r); | |
169 | tcg_gen_mov_tl(tn, cpu_R[r]); | |
170 | } | |
171 | static inline void t_gen_mov_reg_TN(int r, TCGv tn) | |
172 | { | |
173 | if (r < 0 || r > 15) | |
174 | fprintf(stderr, "wrong register write $r%d\n", r); | |
175 | tcg_gen_mov_tl(cpu_R[r], tn); | |
176 | } | |
05ba7d5f EI |
177 | |
178 | static inline void _t_gen_mov_TN_env(TCGv tn, int offset) | |
179 | { | |
b41f7df0 EI |
180 | if (offset > sizeof (CPUState)) |
181 | fprintf(stderr, "wrong load from env from off=%d\n", offset); | |
05ba7d5f EI |
182 | tcg_gen_ld_tl(tn, cpu_env, offset); |
183 | } | |
184 | static inline void _t_gen_mov_env_TN(int offset, TCGv tn) | |
185 | { | |
b41f7df0 EI |
186 | if (offset > sizeof (CPUState)) |
187 | fprintf(stderr, "wrong store to env at off=%d\n", offset); | |
05ba7d5f EI |
188 | tcg_gen_st_tl(tn, cpu_env, offset); |
189 | } | |
190 | ||
191 | static inline void t_gen_mov_TN_preg(TCGv tn, int r) | |
192 | { | |
b41f7df0 EI |
193 | if (r < 0 || r > 15) |
194 | fprintf(stderr, "wrong register read $p%d\n", r); | |
05ba7d5f | 195 | if (r == PR_BZ || r == PR_WZ || r == PR_DZ) |
3157a0a9 | 196 | tcg_gen_mov_tl(tn, tcg_const_tl(0)); |
05ba7d5f | 197 | else if (r == PR_VR) |
3157a0a9 | 198 | tcg_gen_mov_tl(tn, tcg_const_tl(32)); |
b41f7df0 EI |
199 | else if (r == PR_EDA) { |
200 | printf("read from EDA!\n"); | |
201 | tcg_gen_mov_tl(tn, cpu_PR[r]); | |
202 | } | |
05ba7d5f | 203 | else |
a825e703 | 204 | tcg_gen_mov_tl(tn, cpu_PR[r]); |
05ba7d5f | 205 | } |
cf1d97f0 | 206 | static inline void t_gen_mov_preg_TN(DisasContext *dc, int r, TCGv tn) |
05ba7d5f | 207 | { |
b41f7df0 EI |
208 | if (r < 0 || r > 15) |
209 | fprintf(stderr, "wrong register write $p%d\n", r); | |
05ba7d5f EI |
210 | if (r == PR_BZ || r == PR_WZ || r == PR_DZ) |
211 | return; | |
b41f7df0 EI |
212 | else if (r == PR_SRS) |
213 | tcg_gen_andi_tl(cpu_PR[r], tn, 3); | |
214 | else { | |
2a44f7f1 | 215 | if (r == PR_PID) |
cf1d97f0 | 216 | tcg_gen_helper_0_1(helper_tlb_flush_pid, tn); |
a1aebcb8 EI |
217 | if (dc->tb_flags & S_FLAG && r == PR_SPC) |
218 | tcg_gen_helper_0_1(helper_spc_write, tn); | |
2a44f7f1 EI |
219 | else if (r == PR_CCS) |
220 | dc->cpustate_changed = 1; | |
28de16da | 221 | tcg_gen_mov_tl(cpu_PR[r], tn); |
b41f7df0 | 222 | } |
05ba7d5f EI |
223 | } |
224 | ||
dceaf394 | 225 | static inline void t_gen_raise_exception(uint32_t index) |
05ba7d5f | 226 | { |
dceaf394 | 227 | tcg_gen_helper_0_1(helper_raise_exception, tcg_const_tl(index)); |
05ba7d5f EI |
228 | } |
229 | ||
230 | static void t_gen_lsl(TCGv d, TCGv a, TCGv b) | |
231 | { | |
232 | int l1; | |
233 | ||
234 | l1 = gen_new_label(); | |
235 | /* Speculative shift. */ | |
236 | tcg_gen_shl_tl(d, a, b); | |
cb63669a | 237 | tcg_gen_brcondi_tl(TCG_COND_LEU, b, 31, l1); |
05ba7d5f EI |
238 | /* Clear dst if shift operands were to large. */ |
239 | tcg_gen_movi_tl(d, 0); | |
240 | gen_set_label(l1); | |
241 | } | |
242 | ||
243 | static void t_gen_lsr(TCGv d, TCGv a, TCGv b) | |
244 | { | |
245 | int l1; | |
246 | ||
247 | l1 = gen_new_label(); | |
248 | /* Speculative shift. */ | |
249 | tcg_gen_shr_tl(d, a, b); | |
cb63669a | 250 | tcg_gen_brcondi_tl(TCG_COND_LEU, b, 31, l1); |
05ba7d5f EI |
251 | /* Clear dst if shift operands were to large. */ |
252 | tcg_gen_movi_tl(d, 0); | |
253 | gen_set_label(l1); | |
254 | } | |
255 | ||
256 | static void t_gen_asr(TCGv d, TCGv a, TCGv b) | |
257 | { | |
258 | int l1; | |
259 | ||
260 | l1 = gen_new_label(); | |
261 | /* Speculative shift. */ | |
262 | tcg_gen_sar_tl(d, a, b); | |
cb63669a | 263 | tcg_gen_brcondi_tl(TCG_COND_LEU, b, 31, l1); |
05ba7d5f | 264 | /* Clear dst if shift operands were to large. */ |
b41f7df0 | 265 | tcg_gen_sar_tl(d, a, tcg_const_tl(30)); |
05ba7d5f EI |
266 | gen_set_label(l1); |
267 | } | |
268 | ||
3157a0a9 EI |
269 | /* 64-bit signed mul, lower result in d and upper in d2. */ |
270 | static void t_gen_muls(TCGv d, TCGv d2, TCGv a, TCGv b) | |
271 | { | |
272 | TCGv t0, t1; | |
273 | ||
274 | t0 = tcg_temp_new(TCG_TYPE_I64); | |
275 | t1 = tcg_temp_new(TCG_TYPE_I64); | |
276 | ||
277 | tcg_gen_ext32s_i64(t0, a); | |
278 | tcg_gen_ext32s_i64(t1, b); | |
279 | tcg_gen_mul_i64(t0, t0, t1); | |
280 | ||
281 | tcg_gen_trunc_i64_i32(d, t0); | |
282 | tcg_gen_shri_i64(t0, t0, 32); | |
283 | tcg_gen_trunc_i64_i32(d2, t0); | |
b41f7df0 | 284 | |
30abcfc7 EI |
285 | tcg_temp_free(t0); |
286 | tcg_temp_free(t1); | |
3157a0a9 EI |
287 | } |
288 | ||
289 | /* 64-bit unsigned muls, lower result in d and upper in d2. */ | |
290 | static void t_gen_mulu(TCGv d, TCGv d2, TCGv a, TCGv b) | |
291 | { | |
292 | TCGv t0, t1; | |
293 | ||
294 | t0 = tcg_temp_new(TCG_TYPE_I64); | |
295 | t1 = tcg_temp_new(TCG_TYPE_I64); | |
296 | ||
297 | tcg_gen_extu_i32_i64(t0, a); | |
298 | tcg_gen_extu_i32_i64(t1, b); | |
299 | tcg_gen_mul_i64(t0, t0, t1); | |
300 | ||
301 | tcg_gen_trunc_i64_i32(d, t0); | |
302 | tcg_gen_shri_i64(t0, t0, 32); | |
303 | tcg_gen_trunc_i64_i32(d2, t0); | |
b41f7df0 | 304 | |
30abcfc7 EI |
305 | tcg_temp_free(t0); |
306 | tcg_temp_free(t1); | |
3157a0a9 EI |
307 | } |
308 | ||
d059c172 EI |
309 | /* 32bit branch-free binary search for counting leading zeros. */ |
310 | static void t_gen_lz_i32(TCGv d, TCGv x) | |
311 | { | |
312 | TCGv y, m, n; | |
313 | ||
314 | y = tcg_temp_new(TCG_TYPE_I32); | |
315 | m = tcg_temp_new(TCG_TYPE_I32); | |
316 | n = tcg_temp_new(TCG_TYPE_I32); | |
317 | ||
318 | /* y = -(x >> 16) */ | |
319 | tcg_gen_shri_i32(y, x, 16); | |
390efc54 | 320 | tcg_gen_neg_i32(y, y); |
d059c172 EI |
321 | |
322 | /* m = (y >> 16) & 16 */ | |
323 | tcg_gen_sari_i32(m, y, 16); | |
324 | tcg_gen_andi_i32(m, m, 16); | |
325 | ||
326 | /* n = 16 - m */ | |
327 | tcg_gen_sub_i32(n, tcg_const_i32(16), m); | |
328 | /* x = x >> m */ | |
329 | tcg_gen_shr_i32(x, x, m); | |
330 | ||
331 | /* y = x - 0x100 */ | |
332 | tcg_gen_subi_i32(y, x, 0x100); | |
333 | /* m = (y >> 16) & 8 */ | |
334 | tcg_gen_sari_i32(m, y, 16); | |
335 | tcg_gen_andi_i32(m, m, 8); | |
336 | /* n = n + m */ | |
337 | tcg_gen_add_i32(n, n, m); | |
338 | /* x = x << m */ | |
339 | tcg_gen_shl_i32(x, x, m); | |
340 | ||
341 | /* y = x - 0x1000 */ | |
342 | tcg_gen_subi_i32(y, x, 0x1000); | |
343 | /* m = (y >> 16) & 4 */ | |
344 | tcg_gen_sari_i32(m, y, 16); | |
345 | tcg_gen_andi_i32(m, m, 4); | |
346 | /* n = n + m */ | |
347 | tcg_gen_add_i32(n, n, m); | |
348 | /* x = x << m */ | |
349 | tcg_gen_shl_i32(x, x, m); | |
350 | ||
351 | /* y = x - 0x4000 */ | |
352 | tcg_gen_subi_i32(y, x, 0x4000); | |
353 | /* m = (y >> 16) & 2 */ | |
354 | tcg_gen_sari_i32(m, y, 16); | |
355 | tcg_gen_andi_i32(m, m, 2); | |
356 | /* n = n + m */ | |
357 | tcg_gen_add_i32(n, n, m); | |
358 | /* x = x << m */ | |
359 | tcg_gen_shl_i32(x, x, m); | |
360 | ||
361 | /* y = x >> 14 */ | |
362 | tcg_gen_shri_i32(y, x, 14); | |
363 | /* m = y & ~(y >> 1) */ | |
364 | tcg_gen_sari_i32(m, y, 1); | |
d1896336 | 365 | tcg_gen_not_i32(m, m); |
d059c172 EI |
366 | tcg_gen_and_i32(m, m, y); |
367 | ||
368 | /* d = n + 2 - m */ | |
369 | tcg_gen_addi_i32(d, n, 2); | |
370 | tcg_gen_sub_i32(d, d, m); | |
371 | ||
30abcfc7 EI |
372 | tcg_temp_free(y); |
373 | tcg_temp_free(m); | |
374 | tcg_temp_free(n); | |
d059c172 EI |
375 | } |
376 | ||
30abcfc7 | 377 | static void t_gen_btst(TCGv d, TCGv a, TCGv b) |
dceaf394 EI |
378 | { |
379 | TCGv sbit; | |
380 | TCGv bset; | |
30abcfc7 | 381 | TCGv t0; |
dceaf394 EI |
382 | int l1; |
383 | ||
384 | /* des ref: | |
385 | The N flag is set according to the selected bit in the dest reg. | |
386 | The Z flag is set if the selected bit and all bits to the right are | |
387 | zero. | |
388 | The X flag is cleared. | |
389 | Other flags are left untouched. | |
390 | The destination reg is not affected. | |
391 | ||
392 | unsigned int fz, sbit, bset, mask, masked_t0; | |
393 | ||
394 | sbit = T1 & 31; | |
395 | bset = !!(T0 & (1 << sbit)); | |
396 | mask = sbit == 31 ? -1 : (1 << (sbit + 1)) - 1; | |
397 | masked_t0 = T0 & mask; | |
398 | fz = !(masked_t0 | bset); | |
399 | ||
400 | // Clear the X, N and Z flags. | |
401 | T0 = env->pregs[PR_CCS] & ~(X_FLAG | N_FLAG | Z_FLAG); | |
402 | // Set the N and Z flags accordingly. | |
403 | T0 |= (bset << 3) | (fz << 2); | |
404 | */ | |
405 | ||
406 | l1 = gen_new_label(); | |
407 | sbit = tcg_temp_new(TCG_TYPE_TL); | |
408 | bset = tcg_temp_new(TCG_TYPE_TL); | |
30abcfc7 | 409 | t0 = tcg_temp_new(TCG_TYPE_TL); |
dceaf394 EI |
410 | |
411 | /* Compute bset and sbit. */ | |
30abcfc7 EI |
412 | tcg_gen_andi_tl(sbit, b, 31); |
413 | tcg_gen_shl_tl(t0, tcg_const_tl(1), sbit); | |
414 | tcg_gen_and_tl(bset, a, t0); | |
dceaf394 EI |
415 | tcg_gen_shr_tl(bset, bset, sbit); |
416 | /* Displace to N_FLAG. */ | |
417 | tcg_gen_shli_tl(bset, bset, 3); | |
418 | ||
419 | tcg_gen_shl_tl(sbit, tcg_const_tl(2), sbit); | |
420 | tcg_gen_subi_tl(sbit, sbit, 1); | |
30abcfc7 | 421 | tcg_gen_and_tl(sbit, a, sbit); |
dceaf394 EI |
422 | |
423 | tcg_gen_andi_tl(d, cpu_PR[PR_CCS], ~(X_FLAG | N_FLAG | Z_FLAG)); | |
424 | /* or in the N_FLAG. */ | |
425 | tcg_gen_or_tl(d, d, bset); | |
cb63669a | 426 | tcg_gen_brcondi_tl(TCG_COND_NE, sbit, 0, l1); |
dceaf394 EI |
427 | /* or in the Z_FLAG. */ |
428 | tcg_gen_ori_tl(d, d, Z_FLAG); | |
429 | gen_set_label(l1); | |
430 | ||
30abcfc7 EI |
431 | tcg_temp_free(sbit); |
432 | tcg_temp_free(bset); | |
dceaf394 EI |
433 | } |
434 | ||
30abcfc7 | 435 | static void t_gen_cris_dstep(TCGv d, TCGv a, TCGv b) |
aae6b32a EI |
436 | { |
437 | int l1; | |
438 | ||
439 | l1 = gen_new_label(); | |
440 | ||
441 | /* | |
442 | * d <<= 1 | |
443 | * if (d >= s) | |
444 | * d -= s; | |
445 | */ | |
30abcfc7 EI |
446 | tcg_gen_shli_tl(d, a, 1); |
447 | tcg_gen_brcond_tl(TCG_COND_LTU, d, b, l1); | |
448 | tcg_gen_sub_tl(d, d, b); | |
aae6b32a EI |
449 | gen_set_label(l1); |
450 | } | |
451 | ||
3157a0a9 EI |
452 | /* Extended arithmetics on CRIS. */ |
453 | static inline void t_gen_add_flag(TCGv d, int flag) | |
454 | { | |
455 | TCGv c; | |
456 | ||
457 | c = tcg_temp_new(TCG_TYPE_TL); | |
458 | t_gen_mov_TN_preg(c, PR_CCS); | |
459 | /* Propagate carry into d. */ | |
460 | tcg_gen_andi_tl(c, c, 1 << flag); | |
461 | if (flag) | |
462 | tcg_gen_shri_tl(c, c, flag); | |
463 | tcg_gen_add_tl(d, d, c); | |
30abcfc7 | 464 | tcg_temp_free(c); |
3157a0a9 EI |
465 | } |
466 | ||
30abcfc7 | 467 | static inline void t_gen_addx_carry(DisasContext *dc, TCGv d) |
3157a0a9 | 468 | { |
30abcfc7 EI |
469 | if (dc->flagx_known) { |
470 | if (dc->flags_x) { | |
471 | TCGv c; | |
472 | ||
473 | c = tcg_temp_new(TCG_TYPE_TL); | |
474 | t_gen_mov_TN_preg(c, PR_CCS); | |
475 | /* C flag is already at bit 0. */ | |
476 | tcg_gen_andi_tl(c, c, C_FLAG); | |
477 | tcg_gen_add_tl(d, d, c); | |
478 | tcg_temp_free(c); | |
479 | } | |
480 | } else { | |
481 | TCGv x, c; | |
3157a0a9 | 482 | |
30abcfc7 EI |
483 | x = tcg_temp_new(TCG_TYPE_TL); |
484 | c = tcg_temp_new(TCG_TYPE_TL); | |
485 | t_gen_mov_TN_preg(x, PR_CCS); | |
486 | tcg_gen_mov_tl(c, x); | |
3157a0a9 | 487 | |
30abcfc7 EI |
488 | /* Propagate carry into d if X is set. Branch free. */ |
489 | tcg_gen_andi_tl(c, c, C_FLAG); | |
490 | tcg_gen_andi_tl(x, x, X_FLAG); | |
491 | tcg_gen_shri_tl(x, x, 4); | |
3157a0a9 | 492 | |
30abcfc7 EI |
493 | tcg_gen_and_tl(x, x, c); |
494 | tcg_gen_add_tl(d, d, x); | |
495 | tcg_temp_free(x); | |
496 | tcg_temp_free(c); | |
497 | } | |
3157a0a9 EI |
498 | } |
499 | ||
a39f8f3a | 500 | static inline void t_gen_subx_carry(DisasContext *dc, TCGv d) |
3157a0a9 | 501 | { |
30abcfc7 EI |
502 | if (dc->flagx_known) { |
503 | if (dc->flags_x) { | |
504 | TCGv c; | |
505 | ||
506 | c = tcg_temp_new(TCG_TYPE_TL); | |
507 | t_gen_mov_TN_preg(c, PR_CCS); | |
508 | /* C flag is already at bit 0. */ | |
509 | tcg_gen_andi_tl(c, c, C_FLAG); | |
510 | tcg_gen_sub_tl(d, d, c); | |
511 | tcg_temp_free(c); | |
512 | } | |
513 | } else { | |
a39f8f3a EI |
514 | TCGv x, c; |
515 | ||
516 | x = tcg_temp_new(TCG_TYPE_TL); | |
517 | c = tcg_temp_new(TCG_TYPE_TL); | |
518 | t_gen_mov_TN_preg(x, PR_CCS); | |
519 | tcg_gen_mov_tl(c, x); | |
520 | ||
521 | /* Propagate carry into d if X is set. Branch free. */ | |
522 | tcg_gen_andi_tl(c, c, C_FLAG); | |
523 | tcg_gen_andi_tl(x, x, X_FLAG); | |
524 | tcg_gen_shri_tl(x, x, 4); | |
525 | ||
526 | tcg_gen_and_tl(x, x, c); | |
527 | tcg_gen_sub_tl(d, d, x); | |
30abcfc7 EI |
528 | tcg_temp_free(x); |
529 | tcg_temp_free(c); | |
a39f8f3a | 530 | } |
3157a0a9 EI |
531 | } |
532 | ||
533 | /* Swap the two bytes within each half word of the s operand. | |
534 | T0 = ((T0 << 8) & 0xff00ff00) | ((T0 >> 8) & 0x00ff00ff) */ | |
535 | static inline void t_gen_swapb(TCGv d, TCGv s) | |
536 | { | |
537 | TCGv t, org_s; | |
538 | ||
539 | t = tcg_temp_new(TCG_TYPE_TL); | |
540 | org_s = tcg_temp_new(TCG_TYPE_TL); | |
541 | ||
542 | /* d and s may refer to the same object. */ | |
543 | tcg_gen_mov_tl(org_s, s); | |
544 | tcg_gen_shli_tl(t, org_s, 8); | |
545 | tcg_gen_andi_tl(d, t, 0xff00ff00); | |
546 | tcg_gen_shri_tl(t, org_s, 8); | |
547 | tcg_gen_andi_tl(t, t, 0x00ff00ff); | |
548 | tcg_gen_or_tl(d, d, t); | |
30abcfc7 EI |
549 | tcg_temp_free(t); |
550 | tcg_temp_free(org_s); | |
3157a0a9 EI |
551 | } |
552 | ||
553 | /* Swap the halfwords of the s operand. */ | |
554 | static inline void t_gen_swapw(TCGv d, TCGv s) | |
555 | { | |
556 | TCGv t; | |
557 | /* d and s refer the same object. */ | |
558 | t = tcg_temp_new(TCG_TYPE_TL); | |
559 | tcg_gen_mov_tl(t, s); | |
560 | tcg_gen_shli_tl(d, t, 16); | |
561 | tcg_gen_shri_tl(t, t, 16); | |
562 | tcg_gen_or_tl(d, d, t); | |
30abcfc7 | 563 | tcg_temp_free(t); |
3157a0a9 EI |
564 | } |
565 | ||
566 | /* Reverse the within each byte. | |
567 | T0 = (((T0 << 7) & 0x80808080) | | |
568 | ((T0 << 5) & 0x40404040) | | |
569 | ((T0 << 3) & 0x20202020) | | |
570 | ((T0 << 1) & 0x10101010) | | |
571 | ((T0 >> 1) & 0x08080808) | | |
572 | ((T0 >> 3) & 0x04040404) | | |
573 | ((T0 >> 5) & 0x02020202) | | |
574 | ((T0 >> 7) & 0x01010101)); | |
575 | */ | |
576 | static inline void t_gen_swapr(TCGv d, TCGv s) | |
577 | { | |
578 | struct { | |
579 | int shift; /* LSL when positive, LSR when negative. */ | |
580 | uint32_t mask; | |
581 | } bitrev [] = { | |
582 | {7, 0x80808080}, | |
583 | {5, 0x40404040}, | |
584 | {3, 0x20202020}, | |
585 | {1, 0x10101010}, | |
586 | {-1, 0x08080808}, | |
587 | {-3, 0x04040404}, | |
588 | {-5, 0x02020202}, | |
589 | {-7, 0x01010101} | |
590 | }; | |
591 | int i; | |
592 | TCGv t, org_s; | |
593 | ||
594 | /* d and s refer the same object. */ | |
595 | t = tcg_temp_new(TCG_TYPE_TL); | |
596 | org_s = tcg_temp_new(TCG_TYPE_TL); | |
597 | tcg_gen_mov_tl(org_s, s); | |
598 | ||
599 | tcg_gen_shli_tl(t, org_s, bitrev[0].shift); | |
600 | tcg_gen_andi_tl(d, t, bitrev[0].mask); | |
601 | for (i = 1; i < sizeof bitrev / sizeof bitrev[0]; i++) { | |
602 | if (bitrev[i].shift >= 0) { | |
603 | tcg_gen_shli_tl(t, org_s, bitrev[i].shift); | |
604 | } else { | |
605 | tcg_gen_shri_tl(t, org_s, -bitrev[i].shift); | |
606 | } | |
607 | tcg_gen_andi_tl(t, t, bitrev[i].mask); | |
608 | tcg_gen_or_tl(d, d, t); | |
609 | } | |
30abcfc7 EI |
610 | tcg_temp_free(t); |
611 | tcg_temp_free(org_s); | |
3157a0a9 EI |
612 | } |
613 | ||
cf1d97f0 | 614 | static void t_gen_cc_jmp(TCGv pc_true, TCGv pc_false) |
17ac9754 EI |
615 | { |
616 | TCGv btaken; | |
617 | int l1; | |
618 | ||
619 | l1 = gen_new_label(); | |
620 | btaken = tcg_temp_new(TCG_TYPE_TL); | |
621 | ||
622 | /* Conditional jmp. */ | |
2a44f7f1 | 623 | tcg_gen_mov_tl(btaken, env_btaken); |
cf1d97f0 | 624 | tcg_gen_mov_tl(env_pc, pc_false); |
cb63669a | 625 | tcg_gen_brcondi_tl(TCG_COND_EQ, btaken, 0, l1); |
cf1d97f0 | 626 | tcg_gen_mov_tl(env_pc, pc_true); |
17ac9754 EI |
627 | gen_set_label(l1); |
628 | ||
30abcfc7 | 629 | tcg_temp_free(btaken); |
17ac9754 EI |
630 | } |
631 | ||
8170028d TS |
632 | static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest) |
633 | { | |
634 | TranslationBlock *tb; | |
635 | tb = dc->tb; | |
636 | if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) { | |
05ba7d5f | 637 | tcg_gen_goto_tb(n); |
50cfa95c | 638 | tcg_gen_movi_tl(env_pc, dest); |
05ba7d5f | 639 | tcg_gen_exit_tb((long)tb + n); |
8170028d | 640 | } else { |
2a44f7f1 | 641 | tcg_gen_movi_tl(env_pc, dest); |
05ba7d5f | 642 | tcg_gen_exit_tb(0); |
8170028d | 643 | } |
8170028d TS |
644 | } |
645 | ||
646 | /* Sign extend at translation time. */ | |
647 | static int sign_extend(unsigned int val, unsigned int width) | |
648 | { | |
649 | int sval; | |
650 | ||
651 | /* LSL. */ | |
652 | val <<= 31 - width; | |
653 | sval = val; | |
654 | /* ASR. */ | |
655 | sval >>= 31 - width; | |
656 | return sval; | |
657 | } | |
658 | ||
05ba7d5f EI |
659 | static inline void cris_clear_x_flag(DisasContext *dc) |
660 | { | |
2a44f7f1 EI |
661 | if (dc->flagx_known && dc->flags_x) |
662 | dc->flags_uptodate = 0; | |
663 | ||
30abcfc7 | 664 | dc->flagx_known = 1; |
b41f7df0 | 665 | dc->flags_x = 0; |
05ba7d5f EI |
666 | } |
667 | ||
30abcfc7 | 668 | static void cris_flush_cc_state(DisasContext *dc) |
8170028d | 669 | { |
30abcfc7 | 670 | if (dc->cc_size_uptodate != dc->cc_size) { |
b41f7df0 | 671 | tcg_gen_movi_tl(cc_size, dc->cc_size); |
30abcfc7 EI |
672 | dc->cc_size_uptodate = dc->cc_size; |
673 | } | |
674 | tcg_gen_movi_tl(cc_op, dc->cc_op); | |
675 | tcg_gen_movi_tl(cc_mask, dc->cc_mask); | |
676 | } | |
677 | ||
678 | static void cris_evaluate_flags(DisasContext *dc) | |
679 | { | |
680 | if (!dc->flags_uptodate) { | |
681 | cris_flush_cc_state(dc); | |
b41f7df0 | 682 | |
8170028d TS |
683 | switch (dc->cc_op) |
684 | { | |
685 | case CC_OP_MCP: | |
b41f7df0 | 686 | tcg_gen_helper_0_0(helper_evaluate_flags_mcp); |
8170028d TS |
687 | break; |
688 | case CC_OP_MULS: | |
b41f7df0 | 689 | tcg_gen_helper_0_0(helper_evaluate_flags_muls); |
8170028d TS |
690 | break; |
691 | case CC_OP_MULU: | |
b41f7df0 | 692 | tcg_gen_helper_0_0(helper_evaluate_flags_mulu); |
8170028d TS |
693 | break; |
694 | case CC_OP_MOVE: | |
30abcfc7 EI |
695 | case CC_OP_AND: |
696 | case CC_OP_OR: | |
697 | case CC_OP_XOR: | |
698 | case CC_OP_ASR: | |
699 | case CC_OP_LSR: | |
700 | case CC_OP_LSL: | |
8170028d TS |
701 | switch (dc->cc_size) |
702 | { | |
703 | case 4: | |
b41f7df0 | 704 | tcg_gen_helper_0_0(helper_evaluate_flags_move_4); |
8170028d TS |
705 | break; |
706 | case 2: | |
b41f7df0 | 707 | tcg_gen_helper_0_0(helper_evaluate_flags_move_2); |
8170028d TS |
708 | break; |
709 | default: | |
b41f7df0 | 710 | tcg_gen_helper_0_0(helper_evaluate_flags); |
8170028d TS |
711 | break; |
712 | } | |
713 | break; | |
b41f7df0 EI |
714 | case CC_OP_FLAGS: |
715 | /* live. */ | |
716 | break; | |
8170028d TS |
717 | default: |
718 | { | |
719 | switch (dc->cc_size) | |
720 | { | |
721 | case 4: | |
b41f7df0 | 722 | tcg_gen_helper_0_0(helper_evaluate_flags_alu_4); |
8170028d TS |
723 | break; |
724 | default: | |
b41f7df0 | 725 | tcg_gen_helper_0_0(helper_evaluate_flags); |
8170028d TS |
726 | break; |
727 | } | |
728 | } | |
729 | break; | |
730 | } | |
2a44f7f1 EI |
731 | if (dc->flagx_known) { |
732 | if (dc->flags_x) | |
733 | tcg_gen_ori_tl(cpu_PR[PR_CCS], | |
734 | cpu_PR[PR_CCS], X_FLAG); | |
735 | else | |
736 | tcg_gen_andi_tl(cpu_PR[PR_CCS], | |
737 | cpu_PR[PR_CCS], ~X_FLAG); | |
a7cfbba0 | 738 | } |
2a44f7f1 | 739 | |
30abcfc7 | 740 | dc->flags_uptodate = 1; |
8170028d TS |
741 | } |
742 | } | |
743 | ||
744 | static void cris_cc_mask(DisasContext *dc, unsigned int mask) | |
745 | { | |
746 | uint32_t ovl; | |
747 | ||
2a44f7f1 EI |
748 | if (!mask) { |
749 | dc->update_cc = 0; | |
750 | return; | |
751 | } | |
752 | ||
fd56059f AZ |
753 | /* Check if we need to evaluate the condition codes due to |
754 | CC overlaying. */ | |
8170028d TS |
755 | ovl = (dc->cc_mask ^ mask) & ~mask; |
756 | if (ovl) { | |
757 | /* TODO: optimize this case. It trigs all the time. */ | |
758 | cris_evaluate_flags (dc); | |
759 | } | |
760 | dc->cc_mask = mask; | |
8170028d | 761 | dc->update_cc = 1; |
8170028d TS |
762 | } |
763 | ||
b41f7df0 | 764 | static void cris_update_cc_op(DisasContext *dc, int op, int size) |
8170028d TS |
765 | { |
766 | dc->cc_op = op; | |
8170028d | 767 | dc->cc_size = size; |
30abcfc7 | 768 | dc->flags_uptodate = 0; |
8170028d TS |
769 | } |
770 | ||
30abcfc7 EI |
771 | static inline void cris_update_cc_x(DisasContext *dc) |
772 | { | |
773 | /* Save the x flag state at the time of the cc snapshot. */ | |
774 | if (dc->flagx_known) { | |
775 | if (dc->cc_x_uptodate == (2 | dc->flags_x)) | |
776 | return; | |
777 | tcg_gen_movi_tl(cc_x, dc->flags_x); | |
778 | dc->cc_x_uptodate = 2 | dc->flags_x; | |
779 | } | |
780 | else { | |
781 | tcg_gen_andi_tl(cc_x, cpu_PR[PR_CCS], X_FLAG); | |
782 | dc->cc_x_uptodate = 1; | |
783 | } | |
784 | } | |
785 | ||
786 | /* Update cc prior to executing ALU op. Needs source operands untouched. */ | |
787 | static void cris_pre_alu_update_cc(DisasContext *dc, int op, | |
788 | TCGv dst, TCGv src, int size) | |
8170028d | 789 | { |
8170028d | 790 | if (dc->update_cc) { |
b41f7df0 | 791 | cris_update_cc_op(dc, op, size); |
30abcfc7 EI |
792 | tcg_gen_mov_tl(cc_src, src); |
793 | ||
794 | if (op != CC_OP_MOVE | |
795 | && op != CC_OP_AND | |
796 | && op != CC_OP_OR | |
797 | && op != CC_OP_XOR | |
798 | && op != CC_OP_ASR | |
799 | && op != CC_OP_LSR | |
800 | && op != CC_OP_LSL) | |
801 | tcg_gen_mov_tl(cc_dest, dst); | |
802 | ||
803 | cris_update_cc_x(dc); | |
804 | } | |
805 | } | |
3157a0a9 | 806 | |
30abcfc7 EI |
807 | /* Update cc after executing ALU op. needs the result. */ |
808 | static inline void cris_update_result(DisasContext *dc, TCGv res) | |
809 | { | |
810 | if (dc->update_cc) { | |
811 | if (dc->cc_size == 4 && | |
812 | (dc->cc_op == CC_OP_SUB | |
813 | || dc->cc_op == CC_OP_ADD)) | |
814 | return; | |
815 | tcg_gen_mov_tl(cc_result, res); | |
8170028d | 816 | } |
30abcfc7 | 817 | } |
8170028d | 818 | |
30abcfc7 EI |
819 | /* Returns one if the write back stage should execute. */ |
820 | static void cris_alu_op_exec(DisasContext *dc, int op, | |
821 | TCGv dst, TCGv a, TCGv b, int size) | |
822 | { | |
8170028d TS |
823 | /* Emit the ALU insns. */ |
824 | switch (op) | |
825 | { | |
826 | case CC_OP_ADD: | |
30abcfc7 | 827 | tcg_gen_add_tl(dst, a, b); |
8170028d | 828 | /* Extended arithmetics. */ |
30abcfc7 | 829 | t_gen_addx_carry(dc, dst); |
8170028d TS |
830 | break; |
831 | case CC_OP_ADDC: | |
30abcfc7 EI |
832 | tcg_gen_add_tl(dst, a, b); |
833 | t_gen_add_flag(dst, 0); /* C_FLAG. */ | |
8170028d TS |
834 | break; |
835 | case CC_OP_MCP: | |
30abcfc7 EI |
836 | tcg_gen_add_tl(dst, a, b); |
837 | t_gen_add_flag(dst, 8); /* R_FLAG. */ | |
8170028d TS |
838 | break; |
839 | case CC_OP_SUB: | |
30abcfc7 | 840 | tcg_gen_sub_tl(dst, a, b); |
8170028d | 841 | /* Extended arithmetics. */ |
30abcfc7 | 842 | t_gen_subx_carry(dc, dst); |
8170028d TS |
843 | break; |
844 | case CC_OP_MOVE: | |
30abcfc7 | 845 | tcg_gen_mov_tl(dst, b); |
8170028d TS |
846 | break; |
847 | case CC_OP_OR: | |
30abcfc7 | 848 | tcg_gen_or_tl(dst, a, b); |
8170028d TS |
849 | break; |
850 | case CC_OP_AND: | |
30abcfc7 | 851 | tcg_gen_and_tl(dst, a, b); |
8170028d TS |
852 | break; |
853 | case CC_OP_XOR: | |
30abcfc7 | 854 | tcg_gen_xor_tl(dst, a, b); |
8170028d TS |
855 | break; |
856 | case CC_OP_LSL: | |
30abcfc7 | 857 | t_gen_lsl(dst, a, b); |
8170028d TS |
858 | break; |
859 | case CC_OP_LSR: | |
30abcfc7 | 860 | t_gen_lsr(dst, a, b); |
8170028d TS |
861 | break; |
862 | case CC_OP_ASR: | |
30abcfc7 | 863 | t_gen_asr(dst, a, b); |
8170028d TS |
864 | break; |
865 | case CC_OP_NEG: | |
30abcfc7 | 866 | tcg_gen_neg_tl(dst, b); |
8170028d | 867 | /* Extended arithmetics. */ |
30abcfc7 | 868 | t_gen_subx_carry(dc, dst); |
8170028d TS |
869 | break; |
870 | case CC_OP_LZ: | |
30abcfc7 | 871 | t_gen_lz_i32(dst, b); |
8170028d TS |
872 | break; |
873 | case CC_OP_BTST: | |
30abcfc7 | 874 | t_gen_btst(dst, a, b); |
8170028d TS |
875 | break; |
876 | case CC_OP_MULS: | |
30abcfc7 EI |
877 | t_gen_muls(dst, cpu_PR[PR_MOF], a, b); |
878 | break; | |
8170028d | 879 | case CC_OP_MULU: |
30abcfc7 EI |
880 | t_gen_mulu(dst, cpu_PR[PR_MOF], a, b); |
881 | break; | |
8170028d | 882 | case CC_OP_DSTEP: |
30abcfc7 | 883 | t_gen_cris_dstep(dst, a, b); |
8170028d TS |
884 | break; |
885 | case CC_OP_BOUND: | |
3157a0a9 EI |
886 | { |
887 | int l1; | |
888 | l1 = gen_new_label(); | |
30abcfc7 EI |
889 | tcg_gen_mov_tl(dst, a); |
890 | tcg_gen_brcond_tl(TCG_COND_LEU, a, b, l1); | |
891 | tcg_gen_mov_tl(dst, b); | |
3157a0a9 EI |
892 | gen_set_label(l1); |
893 | } | |
894 | break; | |
8170028d | 895 | case CC_OP_CMP: |
30abcfc7 | 896 | tcg_gen_sub_tl(dst, a, b); |
8170028d | 897 | /* Extended arithmetics. */ |
30abcfc7 | 898 | t_gen_subx_carry(dc, dst); |
8170028d TS |
899 | break; |
900 | default: | |
901 | fprintf (logfile, "illegal ALU op.\n"); | |
902 | BUG(); | |
903 | break; | |
904 | } | |
905 | ||
8170028d | 906 | if (size == 1) |
30abcfc7 | 907 | tcg_gen_andi_tl(dst, dst, 0xff); |
8170028d | 908 | else if (size == 2) |
30abcfc7 EI |
909 | tcg_gen_andi_tl(dst, dst, 0xffff); |
910 | } | |
911 | ||
912 | static void cris_alu(DisasContext *dc, int op, | |
913 | TCGv d, TCGv op_a, TCGv op_b, int size) | |
914 | { | |
915 | TCGv tmp; | |
916 | int writeback; | |
917 | ||
918 | writeback = 1; | |
919 | tmp = cpu_T[0]; | |
920 | if (op == CC_OP_CMP) | |
921 | writeback = 0; | |
922 | else if (size == 4) { | |
923 | tmp = d; | |
924 | writeback = 0; | |
925 | } | |
926 | ||
927 | cris_pre_alu_update_cc(dc, op, op_a, op_b, size); | |
928 | cris_alu_op_exec(dc, op, tmp, op_a, op_b, size); | |
929 | cris_update_result(dc, tmp); | |
05ba7d5f | 930 | |
8170028d TS |
931 | /* Writeback. */ |
932 | if (writeback) { | |
30abcfc7 EI |
933 | if (size == 1) |
934 | tcg_gen_andi_tl(d, d, ~0xff); | |
935 | else | |
936 | tcg_gen_andi_tl(d, d, ~0xffff); | |
937 | tcg_gen_or_tl(d, d, tmp); | |
8170028d | 938 | } |
8170028d TS |
939 | } |
940 | ||
941 | static int arith_cc(DisasContext *dc) | |
942 | { | |
943 | if (dc->update_cc) { | |
944 | switch (dc->cc_op) { | |
30abcfc7 | 945 | case CC_OP_ADDC: return 1; |
8170028d TS |
946 | case CC_OP_ADD: return 1; |
947 | case CC_OP_SUB: return 1; | |
30abcfc7 | 948 | case CC_OP_DSTEP: return 1; |
8170028d TS |
949 | case CC_OP_LSL: return 1; |
950 | case CC_OP_LSR: return 1; | |
951 | case CC_OP_ASR: return 1; | |
952 | case CC_OP_CMP: return 1; | |
30abcfc7 EI |
953 | case CC_OP_NEG: return 1; |
954 | case CC_OP_OR: return 1; | |
955 | case CC_OP_XOR: return 1; | |
956 | case CC_OP_MULU: return 1; | |
957 | case CC_OP_MULS: return 1; | |
8170028d TS |
958 | default: |
959 | return 0; | |
960 | } | |
961 | } | |
962 | return 0; | |
963 | } | |
964 | ||
965 | static void gen_tst_cc (DisasContext *dc, int cond) | |
966 | { | |
2a44f7f1 | 967 | int arith_opt, move_opt; |
8170028d TS |
968 | |
969 | /* TODO: optimize more condition codes. */ | |
dceaf394 EI |
970 | |
971 | /* | |
972 | * If the flags are live, we've gotta look into the bits of CCS. | |
973 | * Otherwise, if we just did an arithmetic operation we try to | |
974 | * evaluate the condition code faster. | |
975 | * | |
976 | * When this function is done, T0 should be non-zero if the condition | |
977 | * code is true. | |
978 | */ | |
30abcfc7 | 979 | arith_opt = arith_cc(dc) && !dc->flags_uptodate; |
89cc7382 | 980 | move_opt = (dc->cc_op == CC_OP_MOVE) && dc->flags_uptodate; |
8170028d TS |
981 | switch (cond) { |
982 | case CC_EQ: | |
2a44f7f1 | 983 | if (arith_opt || move_opt) { |
dceaf394 EI |
984 | /* If cc_result is zero, T0 should be |
985 | non-zero otherwise T0 should be zero. */ | |
986 | int l1; | |
987 | l1 = gen_new_label(); | |
988 | tcg_gen_movi_tl(cpu_T[0], 0); | |
cb63669a PB |
989 | tcg_gen_brcondi_tl(TCG_COND_NE, cc_result, |
990 | 0, l1); | |
dceaf394 EI |
991 | tcg_gen_movi_tl(cpu_T[0], 1); |
992 | gen_set_label(l1); | |
993 | } | |
8170028d TS |
994 | else { |
995 | cris_evaluate_flags(dc); | |
dceaf394 EI |
996 | tcg_gen_andi_tl(cpu_T[0], |
997 | cpu_PR[PR_CCS], Z_FLAG); | |
8170028d TS |
998 | } |
999 | break; | |
1000 | case CC_NE: | |
2a44f7f1 | 1001 | if (arith_opt || move_opt) |
dceaf394 | 1002 | tcg_gen_mov_tl(cpu_T[0], cc_result); |
8170028d TS |
1003 | else { |
1004 | cris_evaluate_flags(dc); | |
dceaf394 EI |
1005 | tcg_gen_xori_tl(cpu_T[0], cpu_PR[PR_CCS], |
1006 | Z_FLAG); | |
1007 | tcg_gen_andi_tl(cpu_T[0], cpu_T[0], Z_FLAG); | |
8170028d TS |
1008 | } |
1009 | break; | |
1010 | case CC_CS: | |
1011 | cris_evaluate_flags(dc); | |
dceaf394 | 1012 | tcg_gen_andi_tl(cpu_T[0], cpu_PR[PR_CCS], C_FLAG); |
8170028d TS |
1013 | break; |
1014 | case CC_CC: | |
1015 | cris_evaluate_flags(dc); | |
2a44f7f1 | 1016 | tcg_gen_xori_tl(cpu_T[0], cpu_PR[PR_CCS], C_FLAG); |
dceaf394 | 1017 | tcg_gen_andi_tl(cpu_T[0], cpu_T[0], C_FLAG); |
8170028d TS |
1018 | break; |
1019 | case CC_VS: | |
1020 | cris_evaluate_flags(dc); | |
dceaf394 | 1021 | tcg_gen_andi_tl(cpu_T[0], cpu_PR[PR_CCS], V_FLAG); |
8170028d TS |
1022 | break; |
1023 | case CC_VC: | |
1024 | cris_evaluate_flags(dc); | |
dceaf394 EI |
1025 | tcg_gen_xori_tl(cpu_T[0], cpu_PR[PR_CCS], |
1026 | V_FLAG); | |
1027 | tcg_gen_andi_tl(cpu_T[0], cpu_T[0], V_FLAG); | |
8170028d TS |
1028 | break; |
1029 | case CC_PL: | |
2a44f7f1 EI |
1030 | if (arith_opt || move_opt) { |
1031 | int bits = 31; | |
1032 | ||
1033 | if (dc->cc_size == 1) | |
1034 | bits = 7; | |
1035 | else if (dc->cc_size == 2) | |
1036 | bits = 15; | |
1037 | ||
1038 | tcg_gen_shri_tl(cpu_T[0], cc_result, bits); | |
1039 | tcg_gen_xori_tl(cpu_T[0], cpu_T[0], 1); | |
1040 | } else { | |
8170028d | 1041 | cris_evaluate_flags(dc); |
dceaf394 EI |
1042 | tcg_gen_xori_tl(cpu_T[0], cpu_PR[PR_CCS], |
1043 | N_FLAG); | |
1044 | tcg_gen_andi_tl(cpu_T[0], cpu_T[0], N_FLAG); | |
8170028d TS |
1045 | } |
1046 | break; | |
1047 | case CC_MI: | |
2a44f7f1 EI |
1048 | if (arith_opt || move_opt) { |
1049 | int bits = 31; | |
1050 | ||
1051 | if (dc->cc_size == 1) | |
1052 | bits = 7; | |
1053 | else if (dc->cc_size == 2) | |
1054 | bits = 15; | |
1055 | ||
1056 | tcg_gen_shri_tl(cpu_T[0], cc_result, 31); | |
dceaf394 | 1057 | } |
8170028d TS |
1058 | else { |
1059 | cris_evaluate_flags(dc); | |
dceaf394 EI |
1060 | tcg_gen_andi_tl(cpu_T[0], cpu_PR[PR_CCS], |
1061 | N_FLAG); | |
8170028d TS |
1062 | } |
1063 | break; | |
1064 | case CC_LS: | |
1065 | cris_evaluate_flags(dc); | |
dceaf394 EI |
1066 | tcg_gen_andi_tl(cpu_T[0], cpu_PR[PR_CCS], |
1067 | C_FLAG | Z_FLAG); | |
8170028d TS |
1068 | break; |
1069 | case CC_HI: | |
1070 | cris_evaluate_flags(dc); | |
dceaf394 EI |
1071 | { |
1072 | TCGv tmp; | |
1073 | ||
1074 | tmp = tcg_temp_new(TCG_TYPE_TL); | |
1075 | tcg_gen_xori_tl(tmp, cpu_PR[PR_CCS], | |
1076 | C_FLAG | Z_FLAG); | |
1077 | /* Overlay the C flag on top of the Z. */ | |
1078 | tcg_gen_shli_tl(cpu_T[0], tmp, 2); | |
1079 | tcg_gen_and_tl(cpu_T[0], tmp, cpu_T[0]); | |
1080 | tcg_gen_andi_tl(cpu_T[0], cpu_T[0], Z_FLAG); | |
1081 | ||
30abcfc7 | 1082 | tcg_temp_free(tmp); |
dceaf394 | 1083 | } |
8170028d TS |
1084 | break; |
1085 | case CC_GE: | |
1086 | cris_evaluate_flags(dc); | |
dceaf394 EI |
1087 | /* Overlay the V flag on top of the N. */ |
1088 | tcg_gen_shli_tl(cpu_T[0], cpu_PR[PR_CCS], 2); | |
1089 | tcg_gen_xor_tl(cpu_T[0], | |
1090 | cpu_PR[PR_CCS], cpu_T[0]); | |
1091 | tcg_gen_andi_tl(cpu_T[0], cpu_T[0], N_FLAG); | |
1092 | tcg_gen_xori_tl(cpu_T[0], cpu_T[0], N_FLAG); | |
8170028d TS |
1093 | break; |
1094 | case CC_LT: | |
1095 | cris_evaluate_flags(dc); | |
dceaf394 EI |
1096 | /* Overlay the V flag on top of the N. */ |
1097 | tcg_gen_shli_tl(cpu_T[0], cpu_PR[PR_CCS], 2); | |
1098 | tcg_gen_xor_tl(cpu_T[0], | |
1099 | cpu_PR[PR_CCS], cpu_T[0]); | |
1100 | tcg_gen_andi_tl(cpu_T[0], cpu_T[0], N_FLAG); | |
8170028d TS |
1101 | break; |
1102 | case CC_GT: | |
1103 | cris_evaluate_flags(dc); | |
dceaf394 EI |
1104 | { |
1105 | TCGv n, z; | |
1106 | ||
1107 | n = tcg_temp_new(TCG_TYPE_TL); | |
1108 | z = tcg_temp_new(TCG_TYPE_TL); | |
1109 | ||
1110 | /* To avoid a shift we overlay everything on | |
1111 | the V flag. */ | |
1112 | tcg_gen_shri_tl(n, cpu_PR[PR_CCS], 2); | |
1113 | tcg_gen_shri_tl(z, cpu_PR[PR_CCS], 1); | |
1114 | /* invert Z. */ | |
1115 | tcg_gen_xori_tl(z, z, 2); | |
1116 | ||
1117 | tcg_gen_xor_tl(n, n, cpu_PR[PR_CCS]); | |
1118 | tcg_gen_xori_tl(n, n, 2); | |
1119 | tcg_gen_and_tl(cpu_T[0], z, n); | |
1120 | tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 2); | |
1121 | ||
30abcfc7 EI |
1122 | tcg_temp_free(n); |
1123 | tcg_temp_free(z); | |
dceaf394 | 1124 | } |
8170028d TS |
1125 | break; |
1126 | case CC_LE: | |
1127 | cris_evaluate_flags(dc); | |
dceaf394 EI |
1128 | { |
1129 | TCGv n, z; | |
1130 | ||
1131 | n = tcg_temp_new(TCG_TYPE_TL); | |
1132 | z = tcg_temp_new(TCG_TYPE_TL); | |
1133 | ||
1134 | /* To avoid a shift we overlay everything on | |
1135 | the V flag. */ | |
1136 | tcg_gen_shri_tl(n, cpu_PR[PR_CCS], 2); | |
1137 | tcg_gen_shri_tl(z, cpu_PR[PR_CCS], 1); | |
1138 | ||
1139 | tcg_gen_xor_tl(n, n, cpu_PR[PR_CCS]); | |
1140 | tcg_gen_or_tl(cpu_T[0], z, n); | |
1141 | tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 2); | |
1142 | ||
30abcfc7 EI |
1143 | tcg_temp_free(n); |
1144 | tcg_temp_free(z); | |
dceaf394 | 1145 | } |
8170028d TS |
1146 | break; |
1147 | case CC_P: | |
1148 | cris_evaluate_flags(dc); | |
dceaf394 | 1149 | tcg_gen_andi_tl(cpu_T[0], cpu_PR[PR_CCS], P_FLAG); |
8170028d TS |
1150 | break; |
1151 | case CC_A: | |
17ac9754 | 1152 | tcg_gen_movi_tl(cpu_T[0], 1); |
8170028d TS |
1153 | break; |
1154 | default: | |
1155 | BUG(); | |
1156 | break; | |
1157 | }; | |
1158 | } | |
1159 | ||
2a44f7f1 EI |
1160 | static void cris_store_direct_jmp(DisasContext *dc) |
1161 | { | |
1162 | /* Store the direct jmp state into the cpu-state. */ | |
1163 | if (dc->jmp == JMP_DIRECT) { | |
1164 | tcg_gen_movi_tl(env_btarget, dc->jmp_pc); | |
1165 | tcg_gen_movi_tl(env_btaken, 1); | |
1166 | } | |
1167 | } | |
1168 | ||
1169 | static void cris_prepare_cc_branch (DisasContext *dc, | |
1170 | int offset, int cond) | |
8170028d TS |
1171 | { |
1172 | /* This helps us re-schedule the micro-code to insns in delay-slots | |
1173 | before the actual jump. */ | |
1174 | dc->delayed_branch = 2; | |
2a44f7f1 EI |
1175 | dc->jmp_pc = dc->pc + offset; |
1176 | ||
8170028d TS |
1177 | if (cond != CC_A) |
1178 | { | |
2a44f7f1 | 1179 | dc->jmp = JMP_INDIRECT; |
8170028d | 1180 | gen_tst_cc (dc, cond); |
2a44f7f1 EI |
1181 | tcg_gen_mov_tl(env_btaken, cpu_T[0]); |
1182 | tcg_gen_movi_tl(env_btarget, dc->jmp_pc); | |
1183 | } else { | |
1184 | /* Allow chaining. */ | |
1185 | dc->jmp = JMP_DIRECT; | |
1186 | } | |
8170028d TS |
1187 | } |
1188 | ||
b41f7df0 | 1189 | |
2a44f7f1 EI |
1190 | /* jumps, when the dest is in a live reg for example. Direct should be set |
1191 | when the dest addr is constant to allow tb chaining. */ | |
1192 | static inline void cris_prepare_jmp (DisasContext *dc, unsigned int type) | |
8170028d TS |
1193 | { |
1194 | /* This helps us re-schedule the micro-code to insns in delay-slots | |
1195 | before the actual jump. */ | |
1196 | dc->delayed_branch = 2; | |
2a44f7f1 EI |
1197 | dc->jmp = type; |
1198 | if (type == JMP_INDIRECT) | |
1199 | tcg_gen_movi_tl(env_btaken, 1); | |
8170028d TS |
1200 | } |
1201 | ||
9b32fbf8 EI |
1202 | static void gen_load(DisasContext *dc, TCGv dst, TCGv addr, |
1203 | unsigned int size, int sign) | |
8170028d | 1204 | { |
b41f7df0 EI |
1205 | int mem_index = cpu_mmu_index(dc->env); |
1206 | ||
2a44f7f1 EI |
1207 | /* If we get a fault on a delayslot we must keep the jmp state in |
1208 | the cpu-state to be able to re-execute the jmp. */ | |
1209 | if (dc->delayed_branch == 1) | |
1210 | cris_store_direct_jmp(dc); | |
1211 | ||
8170028d TS |
1212 | if (size == 1) { |
1213 | if (sign) | |
b41f7df0 | 1214 | tcg_gen_qemu_ld8s(dst, addr, mem_index); |
8170028d | 1215 | else |
b41f7df0 | 1216 | tcg_gen_qemu_ld8u(dst, addr, mem_index); |
8170028d TS |
1217 | } |
1218 | else if (size == 2) { | |
1219 | if (sign) | |
b41f7df0 | 1220 | tcg_gen_qemu_ld16s(dst, addr, mem_index); |
8170028d | 1221 | else |
b41f7df0 | 1222 | tcg_gen_qemu_ld16u(dst, addr, mem_index); |
8170028d | 1223 | } |
28de16da | 1224 | else if (size == 4) { |
30abcfc7 | 1225 | tcg_gen_qemu_ld32u(dst, addr, mem_index); |
8170028d | 1226 | } |
28de16da EI |
1227 | else if (size == 8) { |
1228 | tcg_gen_qemu_ld64(dst, addr, mem_index); | |
1229 | } | |
8170028d TS |
1230 | } |
1231 | ||
9b32fbf8 EI |
1232 | static void gen_store (DisasContext *dc, TCGv addr, TCGv val, |
1233 | unsigned int size) | |
8170028d | 1234 | { |
b41f7df0 EI |
1235 | int mem_index = cpu_mmu_index(dc->env); |
1236 | ||
2a44f7f1 EI |
1237 | /* If we get a fault on a delayslot we must keep the jmp state in |
1238 | the cpu-state to be able to re-execute the jmp. */ | |
1239 | if (dc->delayed_branch == 1) | |
1240 | cris_store_direct_jmp(dc); | |
1241 | ||
1242 | ||
1243 | /* Conditional writes. We only support the kind were X and P are known | |
1244 | at translation time. */ | |
1245 | if (dc->flagx_known && dc->flags_x && (dc->tb_flags & P_FLAG)) { | |
1246 | dc->postinc = 0; | |
1247 | cris_evaluate_flags(dc); | |
1248 | tcg_gen_ori_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], C_FLAG); | |
1249 | return; | |
1250 | } | |
1251 | ||
b41f7df0 | 1252 | if (size == 1) |
17ac9754 | 1253 | tcg_gen_qemu_st8(val, addr, mem_index); |
b41f7df0 | 1254 | else if (size == 2) |
17ac9754 | 1255 | tcg_gen_qemu_st16(val, addr, mem_index); |
8170028d | 1256 | else |
17ac9754 | 1257 | tcg_gen_qemu_st32(val, addr, mem_index); |
2a44f7f1 EI |
1258 | |
1259 | if (dc->flagx_known && dc->flags_x) { | |
1260 | cris_evaluate_flags(dc); | |
1261 | tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~C_FLAG); | |
1262 | } | |
8170028d TS |
1263 | } |
1264 | ||
05ba7d5f | 1265 | static inline void t_gen_sext(TCGv d, TCGv s, int size) |
8170028d TS |
1266 | { |
1267 | if (size == 1) | |
05ba7d5f | 1268 | tcg_gen_ext8s_i32(d, s); |
8170028d | 1269 | else if (size == 2) |
05ba7d5f | 1270 | tcg_gen_ext16s_i32(d, s); |
cdcf4e51 | 1271 | else if(GET_TCGV(d) != GET_TCGV(s)) |
50cfa95c | 1272 | tcg_gen_mov_tl(d, s); |
8170028d TS |
1273 | } |
1274 | ||
05ba7d5f | 1275 | static inline void t_gen_zext(TCGv d, TCGv s, int size) |
8170028d TS |
1276 | { |
1277 | if (size == 1) | |
86831435 | 1278 | tcg_gen_ext8u_i32(d, s); |
8170028d | 1279 | else if (size == 2) |
86831435 | 1280 | tcg_gen_ext16u_i32(d, s); |
cdcf4e51 | 1281 | else if (GET_TCGV(d) != GET_TCGV(s)) |
50cfa95c | 1282 | tcg_gen_mov_tl(d, s); |
8170028d TS |
1283 | } |
1284 | ||
1285 | #if DISAS_CRIS | |
1286 | static char memsize_char(int size) | |
1287 | { | |
1288 | switch (size) | |
1289 | { | |
1290 | case 1: return 'b'; break; | |
1291 | case 2: return 'w'; break; | |
1292 | case 4: return 'd'; break; | |
1293 | default: | |
1294 | return 'x'; | |
1295 | break; | |
1296 | } | |
1297 | } | |
1298 | #endif | |
1299 | ||
30abcfc7 | 1300 | static inline unsigned int memsize_z(DisasContext *dc) |
8170028d TS |
1301 | { |
1302 | return dc->zsize + 1; | |
1303 | } | |
1304 | ||
30abcfc7 | 1305 | static inline unsigned int memsize_zz(DisasContext *dc) |
8170028d TS |
1306 | { |
1307 | switch (dc->zzsize) | |
1308 | { | |
1309 | case 0: return 1; | |
1310 | case 1: return 2; | |
1311 | default: | |
1312 | return 4; | |
1313 | } | |
1314 | } | |
1315 | ||
c7d05695 | 1316 | static inline void do_postinc (DisasContext *dc, int size) |
8170028d | 1317 | { |
c7d05695 EI |
1318 | if (dc->postinc) |
1319 | tcg_gen_addi_tl(cpu_R[dc->op1], cpu_R[dc->op1], size); | |
8170028d TS |
1320 | } |
1321 | ||
30abcfc7 EI |
1322 | static inline void dec_prep_move_r(DisasContext *dc, int rs, int rd, |
1323 | int size, int s_ext, TCGv dst) | |
8170028d | 1324 | { |
8170028d | 1325 | if (s_ext) |
30abcfc7 | 1326 | t_gen_sext(dst, cpu_R[rs], size); |
8170028d | 1327 | else |
30abcfc7 | 1328 | t_gen_zext(dst, cpu_R[rs], size); |
8170028d TS |
1329 | } |
1330 | ||
1331 | /* Prepare T0 and T1 for a register alu operation. | |
1332 | s_ext decides if the operand1 should be sign-extended or zero-extended when | |
1333 | needed. */ | |
1334 | static void dec_prep_alu_r(DisasContext *dc, int rs, int rd, | |
1335 | int size, int s_ext) | |
1336 | { | |
30abcfc7 | 1337 | dec_prep_move_r(dc, rs, rd, size, s_ext, cpu_T[1]); |
8170028d | 1338 | |
8170028d | 1339 | if (s_ext) |
50cfa95c | 1340 | t_gen_sext(cpu_T[0], cpu_R[rd], size); |
8170028d | 1341 | else |
50cfa95c | 1342 | t_gen_zext(cpu_T[0], cpu_R[rd], size); |
8170028d TS |
1343 | } |
1344 | ||
30abcfc7 EI |
1345 | static int dec_prep_move_m(DisasContext *dc, int s_ext, int memsize, |
1346 | TCGv dst) | |
8170028d TS |
1347 | { |
1348 | unsigned int rs, rd; | |
1349 | uint32_t imm; | |
1350 | int is_imm; | |
1351 | int insn_len = 2; | |
1352 | ||
1353 | rs = dc->op1; | |
1354 | rd = dc->op2; | |
1355 | is_imm = rs == 15 && dc->postinc; | |
1356 | ||
1357 | /* Load [$rs] onto T1. */ | |
1358 | if (is_imm) { | |
1359 | insn_len = 2 + memsize; | |
1360 | if (memsize == 1) | |
1361 | insn_len++; | |
1362 | ||
8170028d TS |
1363 | if (memsize != 4) { |
1364 | if (s_ext) { | |
17ac9754 EI |
1365 | if (memsize == 1) |
1366 | imm = ldsb_code(dc->pc + 2); | |
1367 | else | |
1368 | imm = ldsw_code(dc->pc + 2); | |
8170028d TS |
1369 | } else { |
1370 | if (memsize == 1) | |
17ac9754 | 1371 | imm = ldub_code(dc->pc + 2); |
8170028d | 1372 | else |
17ac9754 | 1373 | imm = lduw_code(dc->pc + 2); |
8170028d | 1374 | } |
17ac9754 EI |
1375 | } else |
1376 | imm = ldl_code(dc->pc + 2); | |
1377 | ||
30abcfc7 | 1378 | tcg_gen_movi_tl(dst, imm); |
8170028d TS |
1379 | dc->postinc = 0; |
1380 | } else { | |
30abcfc7 EI |
1381 | cris_flush_cc_state(dc); |
1382 | gen_load(dc, dst, cpu_R[rs], memsize, 0); | |
8170028d | 1383 | if (s_ext) |
30abcfc7 | 1384 | t_gen_sext(dst, dst, memsize); |
8170028d | 1385 | else |
30abcfc7 | 1386 | t_gen_zext(dst, dst, memsize); |
8170028d | 1387 | } |
cf1d97f0 EI |
1388 | return insn_len; |
1389 | } | |
1390 | ||
1391 | /* Prepare T0 and T1 for a memory + alu operation. | |
1392 | s_ext decides if the operand1 should be sign-extended or zero-extended when | |
1393 | needed. */ | |
1394 | static int dec_prep_alu_m(DisasContext *dc, int s_ext, int memsize) | |
1395 | { | |
1396 | int insn_len; | |
1397 | ||
30abcfc7 | 1398 | insn_len = dec_prep_move_m(dc, s_ext, memsize, cpu_T[1]); |
8170028d TS |
1399 | |
1400 | /* put dest in T0. */ | |
cf1d97f0 | 1401 | tcg_gen_mov_tl(cpu_T[0], cpu_R[dc->op2]); |
8170028d TS |
1402 | return insn_len; |
1403 | } | |
1404 | ||
1405 | #if DISAS_CRIS | |
1406 | static const char *cc_name(int cc) | |
1407 | { | |
9b32fbf8 | 1408 | static const char *cc_names[16] = { |
8170028d TS |
1409 | "cc", "cs", "ne", "eq", "vc", "vs", "pl", "mi", |
1410 | "ls", "hi", "ge", "lt", "gt", "le", "a", "p" | |
1411 | }; | |
1412 | assert(cc < 16); | |
1413 | return cc_names[cc]; | |
1414 | } | |
1415 | #endif | |
1416 | ||
b41f7df0 EI |
1417 | /* Start of insn decoders. */ |
1418 | ||
8170028d TS |
1419 | static unsigned int dec_bccq(DisasContext *dc) |
1420 | { | |
1421 | int32_t offset; | |
1422 | int sign; | |
1423 | uint32_t cond = dc->op2; | |
1424 | int tmp; | |
1425 | ||
1426 | offset = EXTRACT_FIELD (dc->ir, 1, 7); | |
1427 | sign = EXTRACT_FIELD(dc->ir, 0, 0); | |
1428 | ||
1429 | offset *= 2; | |
1430 | offset |= sign << 8; | |
1431 | tmp = offset; | |
1432 | offset = sign_extend(offset, 8); | |
1433 | ||
2a44f7f1 EI |
1434 | DIS(fprintf (logfile, "b%s %x\n", cc_name(cond), dc->pc + offset)); |
1435 | ||
8170028d TS |
1436 | /* op2 holds the condition-code. */ |
1437 | cris_cc_mask(dc, 0); | |
1438 | cris_prepare_cc_branch (dc, offset, cond); | |
1439 | return 2; | |
1440 | } | |
1441 | static unsigned int dec_addoq(DisasContext *dc) | |
1442 | { | |
b41f7df0 | 1443 | int32_t imm; |
8170028d TS |
1444 | |
1445 | dc->op1 = EXTRACT_FIELD(dc->ir, 0, 7); | |
1446 | imm = sign_extend(dc->op1, 7); | |
1447 | ||
1448 | DIS(fprintf (logfile, "addoq %d, $r%u\n", imm, dc->op2)); | |
1449 | cris_cc_mask(dc, 0); | |
1450 | /* Fetch register operand, */ | |
b41f7df0 | 1451 | tcg_gen_addi_tl(cpu_R[R_ACR], cpu_R[dc->op2], imm); |
8170028d TS |
1452 | return 2; |
1453 | } | |
1454 | static unsigned int dec_addq(DisasContext *dc) | |
1455 | { | |
1456 | DIS(fprintf (logfile, "addq %u, $r%u\n", dc->op1, dc->op2)); | |
1457 | ||
1458 | dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); | |
1459 | ||
1460 | cris_cc_mask(dc, CC_MASK_NZVC); | |
30abcfc7 EI |
1461 | |
1462 | cris_alu(dc, CC_OP_ADD, | |
1463 | cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(dc->op1), 4); | |
8170028d TS |
1464 | return 2; |
1465 | } | |
1466 | static unsigned int dec_moveq(DisasContext *dc) | |
1467 | { | |
1468 | uint32_t imm; | |
1469 | ||
1470 | dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); | |
1471 | imm = sign_extend(dc->op1, 5); | |
1472 | DIS(fprintf (logfile, "moveq %d, $r%u\n", imm, dc->op2)); | |
1473 | ||
a39f8f3a | 1474 | tcg_gen_mov_tl(cpu_R[dc->op2], tcg_const_tl(imm)); |
8170028d TS |
1475 | return 2; |
1476 | } | |
1477 | static unsigned int dec_subq(DisasContext *dc) | |
1478 | { | |
1479 | dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); | |
1480 | ||
1481 | DIS(fprintf (logfile, "subq %u, $r%u\n", dc->op1, dc->op2)); | |
1482 | ||
1483 | cris_cc_mask(dc, CC_MASK_NZVC); | |
30abcfc7 EI |
1484 | cris_alu(dc, CC_OP_SUB, |
1485 | cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(dc->op1), 4); | |
8170028d TS |
1486 | return 2; |
1487 | } | |
1488 | static unsigned int dec_cmpq(DisasContext *dc) | |
1489 | { | |
1490 | uint32_t imm; | |
1491 | dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); | |
1492 | imm = sign_extend(dc->op1, 5); | |
1493 | ||
1494 | DIS(fprintf (logfile, "cmpq %d, $r%d\n", imm, dc->op2)); | |
1495 | cris_cc_mask(dc, CC_MASK_NZVC); | |
30abcfc7 EI |
1496 | |
1497 | cris_alu(dc, CC_OP_CMP, | |
1498 | cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(imm), 4); | |
8170028d TS |
1499 | return 2; |
1500 | } | |
1501 | static unsigned int dec_andq(DisasContext *dc) | |
1502 | { | |
1503 | uint32_t imm; | |
1504 | dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); | |
1505 | imm = sign_extend(dc->op1, 5); | |
1506 | ||
1507 | DIS(fprintf (logfile, "andq %d, $r%d\n", imm, dc->op2)); | |
1508 | cris_cc_mask(dc, CC_MASK_NZ); | |
30abcfc7 EI |
1509 | |
1510 | cris_alu(dc, CC_OP_AND, | |
1511 | cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(imm), 4); | |
8170028d TS |
1512 | return 2; |
1513 | } | |
1514 | static unsigned int dec_orq(DisasContext *dc) | |
1515 | { | |
1516 | uint32_t imm; | |
1517 | dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); | |
1518 | imm = sign_extend(dc->op1, 5); | |
1519 | DIS(fprintf (logfile, "orq %d, $r%d\n", imm, dc->op2)); | |
1520 | cris_cc_mask(dc, CC_MASK_NZ); | |
30abcfc7 EI |
1521 | |
1522 | cris_alu(dc, CC_OP_OR, | |
1523 | cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(imm), 4); | |
8170028d TS |
1524 | return 2; |
1525 | } | |
1526 | static unsigned int dec_btstq(DisasContext *dc) | |
1527 | { | |
1528 | dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4); | |
1529 | DIS(fprintf (logfile, "btstq %u, $r%d\n", dc->op1, dc->op2)); | |
17ac9754 | 1530 | |
8170028d | 1531 | cris_cc_mask(dc, CC_MASK_NZ); |
8170028d | 1532 | |
30abcfc7 EI |
1533 | cris_alu(dc, CC_OP_BTST, |
1534 | cpu_T[0], cpu_R[dc->op2], tcg_const_tl(dc->op1), 4); | |
b41f7df0 | 1535 | cris_update_cc_op(dc, CC_OP_FLAGS, 4); |
cf1d97f0 | 1536 | t_gen_mov_preg_TN(dc, PR_CCS, cpu_T[0]); |
30abcfc7 | 1537 | dc->flags_uptodate = 1; |
8170028d TS |
1538 | return 2; |
1539 | } | |
1540 | static unsigned int dec_asrq(DisasContext *dc) | |
1541 | { | |
1542 | dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4); | |
1543 | DIS(fprintf (logfile, "asrq %u, $r%d\n", dc->op1, dc->op2)); | |
1544 | cris_cc_mask(dc, CC_MASK_NZ); | |
30abcfc7 | 1545 | |
2a44f7f1 EI |
1546 | tcg_gen_sari_tl(cpu_R[dc->op2], cpu_R[dc->op2], dc->op1); |
1547 | cris_alu(dc, CC_OP_MOVE, | |
30abcfc7 | 1548 | cpu_R[dc->op2], |
2a44f7f1 | 1549 | cpu_R[dc->op2], cpu_R[dc->op2], 4); |
8170028d TS |
1550 | return 2; |
1551 | } | |
1552 | static unsigned int dec_lslq(DisasContext *dc) | |
1553 | { | |
1554 | dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4); | |
1555 | DIS(fprintf (logfile, "lslq %u, $r%d\n", dc->op1, dc->op2)); | |
1556 | ||
1557 | cris_cc_mask(dc, CC_MASK_NZ); | |
30abcfc7 | 1558 | |
2a44f7f1 EI |
1559 | tcg_gen_shli_tl(cpu_R[dc->op2], cpu_R[dc->op2], dc->op1); |
1560 | ||
1561 | cris_alu(dc, CC_OP_MOVE, | |
30abcfc7 | 1562 | cpu_R[dc->op2], |
2a44f7f1 | 1563 | cpu_R[dc->op2], cpu_R[dc->op2], 4); |
8170028d TS |
1564 | return 2; |
1565 | } | |
1566 | static unsigned int dec_lsrq(DisasContext *dc) | |
1567 | { | |
1568 | dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4); | |
1569 | DIS(fprintf (logfile, "lsrq %u, $r%d\n", dc->op1, dc->op2)); | |
1570 | ||
1571 | cris_cc_mask(dc, CC_MASK_NZ); | |
30abcfc7 | 1572 | |
2a44f7f1 EI |
1573 | tcg_gen_shri_tl(cpu_R[dc->op2], cpu_R[dc->op2], dc->op1); |
1574 | cris_alu(dc, CC_OP_MOVE, | |
30abcfc7 | 1575 | cpu_R[dc->op2], |
2a44f7f1 | 1576 | cpu_R[dc->op2], cpu_R[dc->op2], 4); |
8170028d TS |
1577 | return 2; |
1578 | } | |
1579 | ||
1580 | static unsigned int dec_move_r(DisasContext *dc) | |
1581 | { | |
1582 | int size = memsize_zz(dc); | |
1583 | ||
1584 | DIS(fprintf (logfile, "move.%c $r%u, $r%u\n", | |
1585 | memsize_char(size), dc->op1, dc->op2)); | |
1586 | ||
1587 | cris_cc_mask(dc, CC_MASK_NZ); | |
30abcfc7 EI |
1588 | if (size == 4) { |
1589 | dec_prep_move_r(dc, dc->op1, dc->op2, size, 0, cpu_R[dc->op2]); | |
1590 | cris_cc_mask(dc, CC_MASK_NZ); | |
1591 | cris_update_cc_op(dc, CC_OP_MOVE, 4); | |
1592 | cris_update_cc_x(dc); | |
1593 | cris_update_result(dc, cpu_R[dc->op2]); | |
1594 | } | |
1595 | else { | |
1596 | dec_prep_move_r(dc, dc->op1, dc->op2, size, 0, cpu_T[1]); | |
1597 | cris_alu(dc, CC_OP_MOVE, | |
1598 | cpu_R[dc->op2], | |
1599 | cpu_R[dc->op2], cpu_T[1], size); | |
1600 | } | |
8170028d TS |
1601 | return 2; |
1602 | } | |
1603 | ||
1604 | static unsigned int dec_scc_r(DisasContext *dc) | |
1605 | { | |
1606 | int cond = dc->op2; | |
1607 | ||
1608 | DIS(fprintf (logfile, "s%s $r%u\n", | |
1609 | cc_name(cond), dc->op1)); | |
1610 | ||
1611 | if (cond != CC_A) | |
1612 | { | |
dceaf394 EI |
1613 | int l1; |
1614 | ||
8170028d | 1615 | gen_tst_cc (dc, cond); |
dceaf394 EI |
1616 | |
1617 | l1 = gen_new_label(); | |
1618 | tcg_gen_movi_tl(cpu_R[dc->op1], 0); | |
cb63669a | 1619 | tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[0], 0, l1); |
dceaf394 EI |
1620 | tcg_gen_movi_tl(cpu_R[dc->op1], 1); |
1621 | gen_set_label(l1); | |
8170028d TS |
1622 | } |
1623 | else | |
dceaf394 | 1624 | tcg_gen_movi_tl(cpu_R[dc->op1], 1); |
8170028d TS |
1625 | |
1626 | cris_cc_mask(dc, 0); | |
8170028d TS |
1627 | return 2; |
1628 | } | |
1629 | ||
1630 | static unsigned int dec_and_r(DisasContext *dc) | |
1631 | { | |
1632 | int size = memsize_zz(dc); | |
1633 | ||
1634 | DIS(fprintf (logfile, "and.%c $r%u, $r%u\n", | |
1635 | memsize_char(size), dc->op1, dc->op2)); | |
1636 | cris_cc_mask(dc, CC_MASK_NZ); | |
1637 | dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0); | |
30abcfc7 EI |
1638 | |
1639 | cris_alu(dc, CC_OP_AND, | |
1640 | cpu_R[dc->op2], | |
1641 | cpu_R[dc->op2], cpu_T[1], size); | |
8170028d TS |
1642 | return 2; |
1643 | } | |
1644 | ||
1645 | static unsigned int dec_lz_r(DisasContext *dc) | |
1646 | { | |
1647 | DIS(fprintf (logfile, "lz $r%u, $r%u\n", | |
1648 | dc->op1, dc->op2)); | |
1649 | cris_cc_mask(dc, CC_MASK_NZ); | |
1650 | dec_prep_alu_r(dc, dc->op1, dc->op2, 4, 0); | |
30abcfc7 EI |
1651 | cris_alu(dc, CC_OP_LZ, |
1652 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4); | |
8170028d TS |
1653 | return 2; |
1654 | } | |
1655 | ||
1656 | static unsigned int dec_lsl_r(DisasContext *dc) | |
1657 | { | |
1658 | int size = memsize_zz(dc); | |
1659 | ||
1660 | DIS(fprintf (logfile, "lsl.%c $r%u, $r%u\n", | |
1661 | memsize_char(size), dc->op1, dc->op2)); | |
1662 | cris_cc_mask(dc, CC_MASK_NZ); | |
1663 | dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0); | |
05ba7d5f | 1664 | tcg_gen_andi_tl(cpu_T[1], cpu_T[1], 63); |
30abcfc7 EI |
1665 | |
1666 | cris_alu(dc, CC_OP_LSL, | |
1667 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], size); | |
8170028d TS |
1668 | return 2; |
1669 | } | |
1670 | ||
1671 | static unsigned int dec_lsr_r(DisasContext *dc) | |
1672 | { | |
1673 | int size = memsize_zz(dc); | |
1674 | ||
1675 | DIS(fprintf (logfile, "lsr.%c $r%u, $r%u\n", | |
1676 | memsize_char(size), dc->op1, dc->op2)); | |
1677 | cris_cc_mask(dc, CC_MASK_NZ); | |
1678 | dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0); | |
05ba7d5f | 1679 | tcg_gen_andi_tl(cpu_T[1], cpu_T[1], 63); |
30abcfc7 EI |
1680 | |
1681 | cris_alu(dc, CC_OP_LSR, | |
1682 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], size); | |
8170028d TS |
1683 | return 2; |
1684 | } | |
1685 | ||
1686 | static unsigned int dec_asr_r(DisasContext *dc) | |
1687 | { | |
1688 | int size = memsize_zz(dc); | |
1689 | ||
1690 | DIS(fprintf (logfile, "asr.%c $r%u, $r%u\n", | |
1691 | memsize_char(size), dc->op1, dc->op2)); | |
1692 | cris_cc_mask(dc, CC_MASK_NZ); | |
1693 | dec_prep_alu_r(dc, dc->op1, dc->op2, size, 1); | |
05ba7d5f | 1694 | tcg_gen_andi_tl(cpu_T[1], cpu_T[1], 63); |
30abcfc7 EI |
1695 | |
1696 | cris_alu(dc, CC_OP_ASR, | |
1697 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], size); | |
8170028d TS |
1698 | return 2; |
1699 | } | |
1700 | ||
1701 | static unsigned int dec_muls_r(DisasContext *dc) | |
1702 | { | |
1703 | int size = memsize_zz(dc); | |
1704 | ||
1705 | DIS(fprintf (logfile, "muls.%c $r%u, $r%u\n", | |
1706 | memsize_char(size), dc->op1, dc->op2)); | |
1707 | cris_cc_mask(dc, CC_MASK_NZV); | |
1708 | dec_prep_alu_r(dc, dc->op1, dc->op2, size, 1); | |
30abcfc7 EI |
1709 | |
1710 | cris_alu(dc, CC_OP_MULS, | |
1711 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], 4); | |
8170028d TS |
1712 | return 2; |
1713 | } | |
1714 | ||
1715 | static unsigned int dec_mulu_r(DisasContext *dc) | |
1716 | { | |
1717 | int size = memsize_zz(dc); | |
1718 | ||
1719 | DIS(fprintf (logfile, "mulu.%c $r%u, $r%u\n", | |
1720 | memsize_char(size), dc->op1, dc->op2)); | |
1721 | cris_cc_mask(dc, CC_MASK_NZV); | |
1722 | dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0); | |
30abcfc7 EI |
1723 | |
1724 | cris_alu(dc, CC_OP_MULU, | |
1725 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], 4); | |
8170028d TS |
1726 | return 2; |
1727 | } | |
1728 | ||
1729 | ||
1730 | static unsigned int dec_dstep_r(DisasContext *dc) | |
1731 | { | |
1732 | DIS(fprintf (logfile, "dstep $r%u, $r%u\n", dc->op1, dc->op2)); | |
1733 | cris_cc_mask(dc, CC_MASK_NZ); | |
30abcfc7 EI |
1734 | cris_alu(dc, CC_OP_DSTEP, |
1735 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_R[dc->op1], 4); | |
8170028d TS |
1736 | return 2; |
1737 | } | |
1738 | ||
1739 | static unsigned int dec_xor_r(DisasContext *dc) | |
1740 | { | |
1741 | int size = memsize_zz(dc); | |
1742 | DIS(fprintf (logfile, "xor.%c $r%u, $r%u\n", | |
1743 | memsize_char(size), dc->op1, dc->op2)); | |
1744 | BUG_ON(size != 4); /* xor is dword. */ | |
1745 | cris_cc_mask(dc, CC_MASK_NZ); | |
1746 | dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0); | |
30abcfc7 EI |
1747 | |
1748 | cris_alu(dc, CC_OP_XOR, | |
1749 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], 4); | |
8170028d TS |
1750 | return 2; |
1751 | } | |
1752 | ||
1753 | static unsigned int dec_bound_r(DisasContext *dc) | |
1754 | { | |
1755 | int size = memsize_zz(dc); | |
1756 | DIS(fprintf (logfile, "bound.%c $r%u, $r%u\n", | |
1757 | memsize_char(size), dc->op1, dc->op2)); | |
1758 | cris_cc_mask(dc, CC_MASK_NZ); | |
30abcfc7 EI |
1759 | dec_prep_move_r(dc, dc->op1, dc->op2, size, 0, cpu_T[1]); |
1760 | cris_alu(dc, CC_OP_BOUND, | |
1761 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4); | |
8170028d TS |
1762 | return 2; |
1763 | } | |
1764 | ||
1765 | static unsigned int dec_cmp_r(DisasContext *dc) | |
1766 | { | |
1767 | int size = memsize_zz(dc); | |
1768 | DIS(fprintf (logfile, "cmp.%c $r%u, $r%u\n", | |
1769 | memsize_char(size), dc->op1, dc->op2)); | |
1770 | cris_cc_mask(dc, CC_MASK_NZVC); | |
1771 | dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0); | |
30abcfc7 EI |
1772 | |
1773 | cris_alu(dc, CC_OP_CMP, | |
1774 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], size); | |
8170028d TS |
1775 | return 2; |
1776 | } | |
1777 | ||
1778 | static unsigned int dec_abs_r(DisasContext *dc) | |
1779 | { | |
3157a0a9 EI |
1780 | int l1; |
1781 | ||
8170028d TS |
1782 | DIS(fprintf (logfile, "abs $r%u, $r%u\n", |
1783 | dc->op1, dc->op2)); | |
1784 | cris_cc_mask(dc, CC_MASK_NZ); | |
30abcfc7 | 1785 | dec_prep_move_r(dc, dc->op1, dc->op2, 4, 0, cpu_T[1]); |
3157a0a9 EI |
1786 | |
1787 | /* TODO: consider a branch free approach. */ | |
1788 | l1 = gen_new_label(); | |
cb63669a | 1789 | tcg_gen_brcondi_tl(TCG_COND_GE, cpu_T[1], 0, l1); |
390efc54 | 1790 | tcg_gen_neg_tl(cpu_T[1], cpu_T[1]); |
3157a0a9 | 1791 | gen_set_label(l1); |
30abcfc7 EI |
1792 | cris_alu(dc, CC_OP_MOVE, |
1793 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4); | |
8170028d TS |
1794 | return 2; |
1795 | } | |
1796 | ||
1797 | static unsigned int dec_add_r(DisasContext *dc) | |
1798 | { | |
1799 | int size = memsize_zz(dc); | |
1800 | DIS(fprintf (logfile, "add.%c $r%u, $r%u\n", | |
1801 | memsize_char(size), dc->op1, dc->op2)); | |
1802 | cris_cc_mask(dc, CC_MASK_NZVC); | |
1803 | dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0); | |
30abcfc7 EI |
1804 | |
1805 | cris_alu(dc, CC_OP_ADD, | |
1806 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], size); | |
8170028d TS |
1807 | return 2; |
1808 | } | |
1809 | ||
1810 | static unsigned int dec_addc_r(DisasContext *dc) | |
1811 | { | |
1812 | DIS(fprintf (logfile, "addc $r%u, $r%u\n", | |
1813 | dc->op1, dc->op2)); | |
1814 | cris_evaluate_flags(dc); | |
1815 | cris_cc_mask(dc, CC_MASK_NZVC); | |
1816 | dec_prep_alu_r(dc, dc->op1, dc->op2, 4, 0); | |
30abcfc7 EI |
1817 | cris_alu(dc, CC_OP_ADDC, |
1818 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], 4); | |
8170028d TS |
1819 | return 2; |
1820 | } | |
1821 | ||
1822 | static unsigned int dec_mcp_r(DisasContext *dc) | |
1823 | { | |
1824 | DIS(fprintf (logfile, "mcp $p%u, $r%u\n", | |
1825 | dc->op2, dc->op1)); | |
1826 | cris_evaluate_flags(dc); | |
1827 | cris_cc_mask(dc, CC_MASK_RNZV); | |
30abcfc7 EI |
1828 | cris_alu(dc, CC_OP_MCP, |
1829 | cpu_R[dc->op1], cpu_R[dc->op1], cpu_PR[dc->op2], 4); | |
8170028d TS |
1830 | return 2; |
1831 | } | |
1832 | ||
1833 | #if DISAS_CRIS | |
1834 | static char * swapmode_name(int mode, char *modename) { | |
1835 | int i = 0; | |
1836 | if (mode & 8) | |
1837 | modename[i++] = 'n'; | |
1838 | if (mode & 4) | |
1839 | modename[i++] = 'w'; | |
1840 | if (mode & 2) | |
1841 | modename[i++] = 'b'; | |
1842 | if (mode & 1) | |
1843 | modename[i++] = 'r'; | |
1844 | modename[i++] = 0; | |
1845 | return modename; | |
1846 | } | |
1847 | #endif | |
1848 | ||
1849 | static unsigned int dec_swap_r(DisasContext *dc) | |
1850 | { | |
cf1d97f0 EI |
1851 | #if DISAS_CRIS |
1852 | char modename[4]; | |
1853 | #endif | |
8170028d TS |
1854 | DIS(fprintf (logfile, "swap%s $r%u\n", |
1855 | swapmode_name(dc->op2, modename), dc->op1)); | |
1856 | ||
1857 | cris_cc_mask(dc, CC_MASK_NZ); | |
05ba7d5f | 1858 | t_gen_mov_TN_reg(cpu_T[0], dc->op1); |
8170028d | 1859 | if (dc->op2 & 8) |
d1896336 | 1860 | tcg_gen_not_tl(cpu_T[0], cpu_T[0]); |
8170028d | 1861 | if (dc->op2 & 4) |
3157a0a9 | 1862 | t_gen_swapw(cpu_T[0], cpu_T[0]); |
8170028d | 1863 | if (dc->op2 & 2) |
3157a0a9 | 1864 | t_gen_swapb(cpu_T[0], cpu_T[0]); |
8170028d | 1865 | if (dc->op2 & 1) |
3157a0a9 | 1866 | t_gen_swapr(cpu_T[0], cpu_T[0]); |
30abcfc7 EI |
1867 | cris_alu(dc, CC_OP_MOVE, |
1868 | cpu_R[dc->op1], cpu_R[dc->op1], cpu_T[0], 4); | |
1869 | ||
8170028d TS |
1870 | return 2; |
1871 | } | |
1872 | ||
1873 | static unsigned int dec_or_r(DisasContext *dc) | |
1874 | { | |
1875 | int size = memsize_zz(dc); | |
1876 | DIS(fprintf (logfile, "or.%c $r%u, $r%u\n", | |
1877 | memsize_char(size), dc->op1, dc->op2)); | |
1878 | cris_cc_mask(dc, CC_MASK_NZ); | |
1879 | dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0); | |
30abcfc7 EI |
1880 | |
1881 | cris_alu(dc, CC_OP_OR, | |
1882 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], size); | |
8170028d TS |
1883 | return 2; |
1884 | } | |
1885 | ||
1886 | static unsigned int dec_addi_r(DisasContext *dc) | |
1887 | { | |
1888 | DIS(fprintf (logfile, "addi.%c $r%u, $r%u\n", | |
1889 | memsize_char(memsize_zz(dc)), dc->op2, dc->op1)); | |
1890 | cris_cc_mask(dc, 0); | |
30abcfc7 EI |
1891 | tcg_gen_shl_tl(cpu_T[0], cpu_R[dc->op2], tcg_const_tl(dc->zzsize)); |
1892 | tcg_gen_add_tl(cpu_R[dc->op1], cpu_R[dc->op1], cpu_T[0]); | |
8170028d TS |
1893 | return 2; |
1894 | } | |
1895 | ||
1896 | static unsigned int dec_addi_acr(DisasContext *dc) | |
1897 | { | |
1898 | DIS(fprintf (logfile, "addi.%c $r%u, $r%u, $acr\n", | |
b41f7df0 | 1899 | memsize_char(memsize_zz(dc)), dc->op2, dc->op1)); |
8170028d | 1900 | cris_cc_mask(dc, 0); |
30abcfc7 EI |
1901 | tcg_gen_shl_tl(cpu_T[0], cpu_R[dc->op2], tcg_const_tl(dc->zzsize)); |
1902 | tcg_gen_add_tl(cpu_R[R_ACR], cpu_R[dc->op1], cpu_T[0]); | |
8170028d TS |
1903 | return 2; |
1904 | } | |
1905 | ||
1906 | static unsigned int dec_neg_r(DisasContext *dc) | |
1907 | { | |
1908 | int size = memsize_zz(dc); | |
1909 | DIS(fprintf (logfile, "neg.%c $r%u, $r%u\n", | |
1910 | memsize_char(size), dc->op1, dc->op2)); | |
1911 | cris_cc_mask(dc, CC_MASK_NZVC); | |
1912 | dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0); | |
30abcfc7 EI |
1913 | |
1914 | cris_alu(dc, CC_OP_NEG, | |
1915 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], size); | |
8170028d TS |
1916 | return 2; |
1917 | } | |
1918 | ||
1919 | static unsigned int dec_btst_r(DisasContext *dc) | |
1920 | { | |
1921 | DIS(fprintf (logfile, "btst $r%u, $r%u\n", | |
1922 | dc->op1, dc->op2)); | |
8170028d TS |
1923 | cris_cc_mask(dc, CC_MASK_NZ); |
1924 | dec_prep_alu_r(dc, dc->op1, dc->op2, 4, 0); | |
8170028d | 1925 | |
30abcfc7 EI |
1926 | cris_alu(dc, CC_OP_BTST, |
1927 | cpu_T[0], cpu_T[0], cpu_T[1], 4); | |
b41f7df0 | 1928 | cris_update_cc_op(dc, CC_OP_FLAGS, 4); |
cf1d97f0 | 1929 | t_gen_mov_preg_TN(dc, PR_CCS, cpu_T[0]); |
30abcfc7 | 1930 | dc->flags_uptodate = 1; |
8170028d TS |
1931 | return 2; |
1932 | } | |
1933 | ||
1934 | static unsigned int dec_sub_r(DisasContext *dc) | |
1935 | { | |
1936 | int size = memsize_zz(dc); | |
1937 | DIS(fprintf (logfile, "sub.%c $r%u, $r%u\n", | |
1938 | memsize_char(size), dc->op1, dc->op2)); | |
1939 | cris_cc_mask(dc, CC_MASK_NZVC); | |
1940 | dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0); | |
30abcfc7 EI |
1941 | cris_alu(dc, CC_OP_SUB, |
1942 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], size); | |
8170028d TS |
1943 | return 2; |
1944 | } | |
1945 | ||
1946 | /* Zero extension. From size to dword. */ | |
1947 | static unsigned int dec_movu_r(DisasContext *dc) | |
1948 | { | |
1949 | int size = memsize_z(dc); | |
1950 | DIS(fprintf (logfile, "movu.%c $r%u, $r%u\n", | |
1951 | memsize_char(size), | |
1952 | dc->op1, dc->op2)); | |
1953 | ||
1954 | cris_cc_mask(dc, CC_MASK_NZ); | |
30abcfc7 EI |
1955 | dec_prep_move_r(dc, dc->op1, dc->op2, size, 0, cpu_T[1]); |
1956 | cris_alu(dc, CC_OP_MOVE, | |
1957 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], 4); | |
8170028d TS |
1958 | return 2; |
1959 | } | |
1960 | ||
1961 | /* Sign extension. From size to dword. */ | |
1962 | static unsigned int dec_movs_r(DisasContext *dc) | |
1963 | { | |
1964 | int size = memsize_z(dc); | |
1965 | DIS(fprintf (logfile, "movs.%c $r%u, $r%u\n", | |
1966 | memsize_char(size), | |
1967 | dc->op1, dc->op2)); | |
1968 | ||
1969 | cris_cc_mask(dc, CC_MASK_NZ); | |
8170028d | 1970 | /* Size can only be qi or hi. */ |
30abcfc7 EI |
1971 | t_gen_sext(cpu_T[1], cpu_R[dc->op1], size); |
1972 | cris_alu(dc, CC_OP_MOVE, | |
a7cfbba0 | 1973 | cpu_R[dc->op2], cpu_R[dc->op1], cpu_T[1], 4); |
8170028d TS |
1974 | return 2; |
1975 | } | |
1976 | ||
1977 | /* zero extension. From size to dword. */ | |
1978 | static unsigned int dec_addu_r(DisasContext *dc) | |
1979 | { | |
1980 | int size = memsize_z(dc); | |
1981 | DIS(fprintf (logfile, "addu.%c $r%u, $r%u\n", | |
1982 | memsize_char(size), | |
1983 | dc->op1, dc->op2)); | |
1984 | ||
1985 | cris_cc_mask(dc, CC_MASK_NZVC); | |
8170028d | 1986 | /* Size can only be qi or hi. */ |
30abcfc7 EI |
1987 | t_gen_zext(cpu_T[1], cpu_R[dc->op1], size); |
1988 | cris_alu(dc, CC_OP_ADD, | |
1989 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4); | |
8170028d TS |
1990 | return 2; |
1991 | } | |
05ba7d5f | 1992 | |
8170028d TS |
1993 | /* Sign extension. From size to dword. */ |
1994 | static unsigned int dec_adds_r(DisasContext *dc) | |
1995 | { | |
1996 | int size = memsize_z(dc); | |
1997 | DIS(fprintf (logfile, "adds.%c $r%u, $r%u\n", | |
1998 | memsize_char(size), | |
1999 | dc->op1, dc->op2)); | |
2000 | ||
2001 | cris_cc_mask(dc, CC_MASK_NZVC); | |
8170028d | 2002 | /* Size can only be qi or hi. */ |
30abcfc7 EI |
2003 | t_gen_sext(cpu_T[1], cpu_R[dc->op1], size); |
2004 | cris_alu(dc, CC_OP_ADD, | |
2005 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4); | |
8170028d TS |
2006 | return 2; |
2007 | } | |
2008 | ||
2009 | /* Zero extension. From size to dword. */ | |
2010 | static unsigned int dec_subu_r(DisasContext *dc) | |
2011 | { | |
2012 | int size = memsize_z(dc); | |
2013 | DIS(fprintf (logfile, "subu.%c $r%u, $r%u\n", | |
2014 | memsize_char(size), | |
2015 | dc->op1, dc->op2)); | |
2016 | ||
2017 | cris_cc_mask(dc, CC_MASK_NZVC); | |
8170028d | 2018 | /* Size can only be qi or hi. */ |
30abcfc7 EI |
2019 | t_gen_zext(cpu_T[1], cpu_R[dc->op1], size); |
2020 | cris_alu(dc, CC_OP_SUB, | |
2021 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4); | |
8170028d TS |
2022 | return 2; |
2023 | } | |
2024 | ||
2025 | /* Sign extension. From size to dword. */ | |
2026 | static unsigned int dec_subs_r(DisasContext *dc) | |
2027 | { | |
2028 | int size = memsize_z(dc); | |
2029 | DIS(fprintf (logfile, "subs.%c $r%u, $r%u\n", | |
2030 | memsize_char(size), | |
2031 | dc->op1, dc->op2)); | |
2032 | ||
2033 | cris_cc_mask(dc, CC_MASK_NZVC); | |
8170028d | 2034 | /* Size can only be qi or hi. */ |
30abcfc7 EI |
2035 | t_gen_sext(cpu_T[1], cpu_R[dc->op1], size); |
2036 | cris_alu(dc, CC_OP_SUB, | |
2037 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4); | |
8170028d TS |
2038 | return 2; |
2039 | } | |
2040 | ||
2041 | static unsigned int dec_setclrf(DisasContext *dc) | |
2042 | { | |
2043 | uint32_t flags; | |
2044 | int set = (~dc->opcode >> 2) & 1; | |
2045 | ||
2046 | flags = (EXTRACT_FIELD(dc->ir, 12, 15) << 4) | |
2047 | | EXTRACT_FIELD(dc->ir, 0, 3); | |
cf1d97f0 | 2048 | if (set && flags == 0) { |
8170028d | 2049 | DIS(fprintf (logfile, "nop\n")); |
30abcfc7 | 2050 | return 2; |
cf1d97f0 | 2051 | } else if (!set && (flags & 0x20)) { |
8170028d | 2052 | DIS(fprintf (logfile, "di\n")); |
cf1d97f0 EI |
2053 | } |
2054 | else { | |
8170028d | 2055 | DIS(fprintf (logfile, "%sf %x\n", |
cf1d97f0 | 2056 | set ? "set" : "clr", |
8170028d | 2057 | flags)); |
cf1d97f0 | 2058 | } |
8170028d | 2059 | |
2a44f7f1 EI |
2060 | /* User space is not allowed to touch these. Silently ignore. */ |
2061 | if (dc->tb_flags & U_FLAG) { | |
a1aebcb8 | 2062 | flags &= ~(S_FLAG | I_FLAG | U_FLAG); |
2a44f7f1 EI |
2063 | } |
2064 | ||
2065 | if (flags & X_FLAG) { | |
30abcfc7 | 2066 | dc->flagx_known = 1; |
2a44f7f1 EI |
2067 | if (set) |
2068 | dc->flags_x = X_FLAG; | |
2069 | else | |
2070 | dc->flags_x = 0; | |
8170028d TS |
2071 | } |
2072 | ||
2a44f7f1 EI |
2073 | /* Break the TB if the P flag changes. */ |
2074 | if (flags & P_FLAG) { | |
2075 | if ((set && !(dc->tb_flags & P_FLAG)) | |
2076 | || (!set && (dc->tb_flags & P_FLAG))) { | |
2077 | tcg_gen_movi_tl(env_pc, dc->pc + 2); | |
2078 | dc->is_jmp = DISAS_UPDATE; | |
2079 | dc->cpustate_changed = 1; | |
2080 | } | |
2081 | } | |
a1aebcb8 EI |
2082 | if (flags & S_FLAG) { |
2083 | dc->cpustate_changed = 1; | |
2084 | } | |
2a44f7f1 EI |
2085 | |
2086 | ||
8170028d TS |
2087 | /* Simply decode the flags. */ |
2088 | cris_evaluate_flags (dc); | |
b41f7df0 | 2089 | cris_update_cc_op(dc, CC_OP_FLAGS, 4); |
30abcfc7 | 2090 | cris_update_cc_x(dc); |
b41f7df0 EI |
2091 | tcg_gen_movi_tl(cc_op, dc->cc_op); |
2092 | ||
dceaf394 | 2093 | if (set) { |
2a44f7f1 | 2094 | if (!(dc->tb_flags & U_FLAG) && (flags & U_FLAG)) { |
dceaf394 EI |
2095 | /* Enter user mode. */ |
2096 | t_gen_mov_env_TN(ksp, cpu_R[R_SP]); | |
2097 | tcg_gen_mov_tl(cpu_R[R_SP], cpu_PR[PR_USP]); | |
2a44f7f1 | 2098 | dc->cpustate_changed = 1; |
dceaf394 EI |
2099 | } |
2100 | tcg_gen_ori_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], flags); | |
2101 | } | |
8170028d | 2102 | else |
dceaf394 EI |
2103 | tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~flags); |
2104 | ||
30abcfc7 | 2105 | dc->flags_uptodate = 1; |
b41f7df0 | 2106 | dc->clear_x = 0; |
8170028d TS |
2107 | return 2; |
2108 | } | |
2109 | ||
2110 | static unsigned int dec_move_rs(DisasContext *dc) | |
2111 | { | |
2112 | DIS(fprintf (logfile, "move $r%u, $s%u\n", dc->op1, dc->op2)); | |
2113 | cris_cc_mask(dc, 0); | |
dceaf394 EI |
2114 | tcg_gen_helper_0_2(helper_movl_sreg_reg, |
2115 | tcg_const_tl(dc->op2), tcg_const_tl(dc->op1)); | |
8170028d TS |
2116 | return 2; |
2117 | } | |
2118 | static unsigned int dec_move_sr(DisasContext *dc) | |
2119 | { | |
05ba7d5f | 2120 | DIS(fprintf (logfile, "move $s%u, $r%u\n", dc->op2, dc->op1)); |
8170028d | 2121 | cris_cc_mask(dc, 0); |
dceaf394 EI |
2122 | tcg_gen_helper_0_2(helper_movl_reg_sreg, |
2123 | tcg_const_tl(dc->op1), tcg_const_tl(dc->op2)); | |
8170028d TS |
2124 | return 2; |
2125 | } | |
dceaf394 | 2126 | |
8170028d TS |
2127 | static unsigned int dec_move_rp(DisasContext *dc) |
2128 | { | |
2129 | DIS(fprintf (logfile, "move $r%u, $p%u\n", dc->op1, dc->op2)); | |
2130 | cris_cc_mask(dc, 0); | |
b41f7df0 EI |
2131 | |
2132 | if (dc->op2 == PR_CCS) { | |
2133 | cris_evaluate_flags(dc); | |
2134 | t_gen_mov_TN_reg(cpu_T[0], dc->op1); | |
2a44f7f1 | 2135 | if (dc->tb_flags & U_FLAG) { |
b41f7df0 EI |
2136 | /* User space is not allowed to touch all flags. */ |
2137 | tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x39f); | |
2138 | tcg_gen_andi_tl(cpu_T[1], cpu_PR[PR_CCS], ~0x39f); | |
2139 | tcg_gen_or_tl(cpu_T[0], cpu_T[1], cpu_T[0]); | |
2140 | } | |
2141 | } | |
2142 | else | |
2143 | t_gen_mov_TN_reg(cpu_T[0], dc->op1); | |
2144 | ||
cf1d97f0 | 2145 | t_gen_mov_preg_TN(dc, dc->op2, cpu_T[0]); |
b41f7df0 EI |
2146 | if (dc->op2 == PR_CCS) { |
2147 | cris_update_cc_op(dc, CC_OP_FLAGS, 4); | |
30abcfc7 | 2148 | dc->flags_uptodate = 1; |
b41f7df0 | 2149 | } |
8170028d TS |
2150 | return 2; |
2151 | } | |
2152 | static unsigned int dec_move_pr(DisasContext *dc) | |
2153 | { | |
2154 | DIS(fprintf (logfile, "move $p%u, $r%u\n", dc->op1, dc->op2)); | |
2155 | cris_cc_mask(dc, 0); | |
2a44f7f1 EI |
2156 | |
2157 | if (dc->op2 == PR_CCS) | |
b41f7df0 | 2158 | cris_evaluate_flags(dc); |
2a44f7f1 EI |
2159 | |
2160 | t_gen_mov_TN_preg(cpu_T[1], dc->op2); | |
2161 | cris_alu(dc, CC_OP_MOVE, | |
30abcfc7 EI |
2162 | cpu_R[dc->op1], cpu_R[dc->op1], cpu_T[1], |
2163 | preg_sizes[dc->op2]); | |
8170028d TS |
2164 | return 2; |
2165 | } | |
2166 | ||
2167 | static unsigned int dec_move_mr(DisasContext *dc) | |
2168 | { | |
2169 | int memsize = memsize_zz(dc); | |
2170 | int insn_len; | |
2171 | DIS(fprintf (logfile, "move.%c [$r%u%s, $r%u\n", | |
2172 | memsize_char(memsize), | |
2173 | dc->op1, dc->postinc ? "+]" : "]", | |
2174 | dc->op2)); | |
2175 | ||
30abcfc7 EI |
2176 | if (memsize == 4) { |
2177 | insn_len = dec_prep_move_m(dc, 0, 4, cpu_R[dc->op2]); | |
2178 | cris_cc_mask(dc, CC_MASK_NZ); | |
2179 | cris_update_cc_op(dc, CC_OP_MOVE, 4); | |
2180 | cris_update_cc_x(dc); | |
2181 | cris_update_result(dc, cpu_R[dc->op2]); | |
2182 | } | |
2183 | else { | |
2184 | insn_len = dec_prep_move_m(dc, 0, memsize, cpu_T[1]); | |
2185 | cris_cc_mask(dc, CC_MASK_NZ); | |
2186 | cris_alu(dc, CC_OP_MOVE, | |
2187 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], memsize); | |
2188 | } | |
8170028d TS |
2189 | do_postinc(dc, memsize); |
2190 | return insn_len; | |
2191 | } | |
2192 | ||
2193 | static unsigned int dec_movs_m(DisasContext *dc) | |
2194 | { | |
2195 | int memsize = memsize_z(dc); | |
2196 | int insn_len; | |
2197 | DIS(fprintf (logfile, "movs.%c [$r%u%s, $r%u\n", | |
2198 | memsize_char(memsize), | |
2199 | dc->op1, dc->postinc ? "+]" : "]", | |
2200 | dc->op2)); | |
2201 | ||
2202 | /* sign extend. */ | |
8170028d | 2203 | insn_len = dec_prep_alu_m(dc, 1, memsize); |
b41f7df0 | 2204 | cris_cc_mask(dc, CC_MASK_NZ); |
30abcfc7 EI |
2205 | cris_alu(dc, CC_OP_MOVE, |
2206 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4); | |
8170028d TS |
2207 | do_postinc(dc, memsize); |
2208 | return insn_len; | |
2209 | } | |
2210 | ||
2211 | static unsigned int dec_addu_m(DisasContext *dc) | |
2212 | { | |
2213 | int memsize = memsize_z(dc); | |
2214 | int insn_len; | |
2215 | DIS(fprintf (logfile, "addu.%c [$r%u%s, $r%u\n", | |
2216 | memsize_char(memsize), | |
2217 | dc->op1, dc->postinc ? "+]" : "]", | |
2218 | dc->op2)); | |
2219 | ||
2220 | /* sign extend. */ | |
8170028d | 2221 | insn_len = dec_prep_alu_m(dc, 0, memsize); |
b41f7df0 | 2222 | cris_cc_mask(dc, CC_MASK_NZVC); |
30abcfc7 EI |
2223 | cris_alu(dc, CC_OP_ADD, |
2224 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4); | |
8170028d TS |
2225 | do_postinc(dc, memsize); |
2226 | return insn_len; | |
2227 | } | |
2228 | ||
2229 | static unsigned int dec_adds_m(DisasContext *dc) | |
2230 | { | |
2231 | int memsize = memsize_z(dc); | |
2232 | int insn_len; | |
2233 | DIS(fprintf (logfile, "adds.%c [$r%u%s, $r%u\n", | |
2234 | memsize_char(memsize), | |
2235 | dc->op1, dc->postinc ? "+]" : "]", | |
2236 | dc->op2)); | |
2237 | ||
2238 | /* sign extend. */ | |
8170028d | 2239 | insn_len = dec_prep_alu_m(dc, 1, memsize); |
b41f7df0 | 2240 | cris_cc_mask(dc, CC_MASK_NZVC); |
30abcfc7 EI |
2241 | cris_alu(dc, CC_OP_ADD, |
2242 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4); | |
8170028d TS |
2243 | do_postinc(dc, memsize); |
2244 | return insn_len; | |
2245 | } | |
2246 | ||
2247 | static unsigned int dec_subu_m(DisasContext *dc) | |
2248 | { | |
2249 | int memsize = memsize_z(dc); | |
2250 | int insn_len; | |
2251 | DIS(fprintf (logfile, "subu.%c [$r%u%s, $r%u\n", | |
2252 | memsize_char(memsize), | |
2253 | dc->op1, dc->postinc ? "+]" : "]", | |
2254 | dc->op2)); | |
2255 | ||
2256 | /* sign extend. */ | |
8170028d | 2257 | insn_len = dec_prep_alu_m(dc, 0, memsize); |
b41f7df0 | 2258 | cris_cc_mask(dc, CC_MASK_NZVC); |
30abcfc7 EI |
2259 | cris_alu(dc, CC_OP_SUB, |
2260 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4); | |
8170028d TS |
2261 | do_postinc(dc, memsize); |
2262 | return insn_len; | |
2263 | } | |
2264 | ||
2265 | static unsigned int dec_subs_m(DisasContext *dc) | |
2266 | { | |
2267 | int memsize = memsize_z(dc); | |
2268 | int insn_len; | |
2269 | DIS(fprintf (logfile, "subs.%c [$r%u%s, $r%u\n", | |
2270 | memsize_char(memsize), | |
2271 | dc->op1, dc->postinc ? "+]" : "]", | |
2272 | dc->op2)); | |
2273 | ||
2274 | /* sign extend. */ | |
8170028d | 2275 | insn_len = dec_prep_alu_m(dc, 1, memsize); |
b41f7df0 | 2276 | cris_cc_mask(dc, CC_MASK_NZVC); |
30abcfc7 EI |
2277 | cris_alu(dc, CC_OP_SUB, |
2278 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4); | |
8170028d TS |
2279 | do_postinc(dc, memsize); |
2280 | return insn_len; | |
2281 | } | |
2282 | ||
2283 | static unsigned int dec_movu_m(DisasContext *dc) | |
2284 | { | |
2285 | int memsize = memsize_z(dc); | |
2286 | int insn_len; | |
2287 | ||
2288 | DIS(fprintf (logfile, "movu.%c [$r%u%s, $r%u\n", | |
2289 | memsize_char(memsize), | |
2290 | dc->op1, dc->postinc ? "+]" : "]", | |
2291 | dc->op2)); | |
2292 | ||
8170028d | 2293 | insn_len = dec_prep_alu_m(dc, 0, memsize); |
b41f7df0 | 2294 | cris_cc_mask(dc, CC_MASK_NZ); |
30abcfc7 EI |
2295 | cris_alu(dc, CC_OP_MOVE, |
2296 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4); | |
8170028d TS |
2297 | do_postinc(dc, memsize); |
2298 | return insn_len; | |
2299 | } | |
2300 | ||
2301 | static unsigned int dec_cmpu_m(DisasContext *dc) | |
2302 | { | |
2303 | int memsize = memsize_z(dc); | |
2304 | int insn_len; | |
2305 | DIS(fprintf (logfile, "cmpu.%c [$r%u%s, $r%u\n", | |
2306 | memsize_char(memsize), | |
2307 | dc->op1, dc->postinc ? "+]" : "]", | |
2308 | dc->op2)); | |
2309 | ||
8170028d | 2310 | insn_len = dec_prep_alu_m(dc, 0, memsize); |
b41f7df0 | 2311 | cris_cc_mask(dc, CC_MASK_NZVC); |
30abcfc7 EI |
2312 | cris_alu(dc, CC_OP_CMP, |
2313 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4); | |
8170028d TS |
2314 | do_postinc(dc, memsize); |
2315 | return insn_len; | |
2316 | } | |
2317 | ||
2318 | static unsigned int dec_cmps_m(DisasContext *dc) | |
2319 | { | |
2320 | int memsize = memsize_z(dc); | |
2321 | int insn_len; | |
2322 | DIS(fprintf (logfile, "cmps.%c [$r%u%s, $r%u\n", | |
2323 | memsize_char(memsize), | |
2324 | dc->op1, dc->postinc ? "+]" : "]", | |
2325 | dc->op2)); | |
2326 | ||
8170028d | 2327 | insn_len = dec_prep_alu_m(dc, 1, memsize); |
b41f7df0 | 2328 | cris_cc_mask(dc, CC_MASK_NZVC); |
30abcfc7 EI |
2329 | cris_alu(dc, CC_OP_CMP, |
2330 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], | |
2331 | memsize_zz(dc)); | |
8170028d TS |
2332 | do_postinc(dc, memsize); |
2333 | return insn_len; | |
2334 | } | |
2335 | ||
2336 | static unsigned int dec_cmp_m(DisasContext *dc) | |
2337 | { | |
2338 | int memsize = memsize_zz(dc); | |
2339 | int insn_len; | |
2340 | DIS(fprintf (logfile, "cmp.%c [$r%u%s, $r%u\n", | |
2341 | memsize_char(memsize), | |
2342 | dc->op1, dc->postinc ? "+]" : "]", | |
2343 | dc->op2)); | |
2344 | ||
8170028d | 2345 | insn_len = dec_prep_alu_m(dc, 0, memsize); |
b41f7df0 | 2346 | cris_cc_mask(dc, CC_MASK_NZVC); |
30abcfc7 EI |
2347 | cris_alu(dc, CC_OP_CMP, |
2348 | cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], | |
2349 | memsize_zz(dc)); | |
8170028d TS |
2350 | do_postinc(dc, memsize); |
2351 | return insn_len; | |
2352 | } | |
2353 | ||
2354 | static unsigned int dec_test_m(DisasContext *dc) | |
2355 | { | |
2356 | int memsize = memsize_zz(dc); | |
2357 | int insn_len; | |
2358 | DIS(fprintf (logfile, "test.%d [$r%u%s] op2=%x\n", | |
2359 | memsize_char(memsize), | |
2360 | dc->op1, dc->postinc ? "+]" : "]", | |
2361 | dc->op2)); | |
2362 | ||
dceaf394 EI |
2363 | cris_evaluate_flags(dc); |
2364 | ||
b41f7df0 | 2365 | insn_len = dec_prep_alu_m(dc, 0, memsize); |
8170028d | 2366 | cris_cc_mask(dc, CC_MASK_NZ); |
dceaf394 | 2367 | tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~3); |
b41f7df0 | 2368 | |
30abcfc7 EI |
2369 | cris_alu(dc, CC_OP_CMP, |
2370 | cpu_R[dc->op2], cpu_T[1], tcg_const_tl(0), | |
2371 | memsize_zz(dc)); | |
8170028d TS |
2372 | do_postinc(dc, memsize); |
2373 | return insn_len; | |
2374 | } | |
2375 | ||
2376 | static unsigned int dec_and_m(DisasContext *dc) | |
2377 | { | |
2378 | int memsize = memsize_zz(dc); | |
2379 | int insn_len; | |
2380 | DIS(fprintf (logfile, "and.%d [$r%u%s, $r%u\n", | |
2381 | memsize_char(memsize), | |
2382 | dc->op1, dc->postinc ? "+]" : "]", | |
2383 | dc->op2)); | |
2384 | ||
8170028d | 2385 | insn_len = dec_prep_alu_m(dc, 0, memsize); |
b41f7df0 | 2386 | cris_cc_mask(dc, CC_MASK_NZ); |
30abcfc7 EI |
2387 | cris_alu(dc, CC_OP_AND, |
2388 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], | |
2389 | memsize_zz(dc)); | |
8170028d TS |
2390 | do_postinc(dc, memsize); |
2391 | return insn_len; | |
2392 | } | |
2393 | ||
2394 | static unsigned int dec_add_m(DisasContext *dc) | |
2395 | { | |
2396 | int memsize = memsize_zz(dc); | |
2397 | int insn_len; | |
2398 | DIS(fprintf (logfile, "add.%d [$r%u%s, $r%u\n", | |
2399 | memsize_char(memsize), | |
2400 | dc->op1, dc->postinc ? "+]" : "]", | |
2401 | dc->op2)); | |
2402 | ||
8170028d | 2403 | insn_len = dec_prep_alu_m(dc, 0, memsize); |
b41f7df0 | 2404 | cris_cc_mask(dc, CC_MASK_NZVC); |
30abcfc7 EI |
2405 | cris_alu(dc, CC_OP_ADD, |
2406 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], | |
2407 | memsize_zz(dc)); | |
8170028d TS |
2408 | do_postinc(dc, memsize); |
2409 | return insn_len; | |
2410 | } | |
2411 | ||
2412 | static unsigned int dec_addo_m(DisasContext *dc) | |
2413 | { | |
2414 | int memsize = memsize_zz(dc); | |
2415 | int insn_len; | |
2416 | DIS(fprintf (logfile, "add.%d [$r%u%s, $r%u\n", | |
2417 | memsize_char(memsize), | |
2418 | dc->op1, dc->postinc ? "+]" : "]", | |
2419 | dc->op2)); | |
2420 | ||
8170028d | 2421 | insn_len = dec_prep_alu_m(dc, 1, memsize); |
b41f7df0 | 2422 | cris_cc_mask(dc, 0); |
30abcfc7 EI |
2423 | cris_alu(dc, CC_OP_ADD, |
2424 | cpu_R[R_ACR], cpu_T[0], cpu_T[1], 4); | |
8170028d TS |
2425 | do_postinc(dc, memsize); |
2426 | return insn_len; | |
2427 | } | |
2428 | ||
2429 | static unsigned int dec_bound_m(DisasContext *dc) | |
2430 | { | |
2431 | int memsize = memsize_zz(dc); | |
2432 | int insn_len; | |
2433 | DIS(fprintf (logfile, "bound.%d [$r%u%s, $r%u\n", | |
2434 | memsize_char(memsize), | |
2435 | dc->op1, dc->postinc ? "+]" : "]", | |
2436 | dc->op2)); | |
2437 | ||
8170028d | 2438 | insn_len = dec_prep_alu_m(dc, 0, memsize); |
b41f7df0 | 2439 | cris_cc_mask(dc, CC_MASK_NZ); |
30abcfc7 EI |
2440 | cris_alu(dc, CC_OP_BOUND, |
2441 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], 4); | |
8170028d TS |
2442 | do_postinc(dc, memsize); |
2443 | return insn_len; | |
2444 | } | |
2445 | ||
2446 | static unsigned int dec_addc_mr(DisasContext *dc) | |
2447 | { | |
2448 | int insn_len = 2; | |
2449 | DIS(fprintf (logfile, "addc [$r%u%s, $r%u\n", | |
2450 | dc->op1, dc->postinc ? "+]" : "]", | |
2451 | dc->op2)); | |
2452 | ||
2453 | cris_evaluate_flags(dc); | |
8170028d | 2454 | insn_len = dec_prep_alu_m(dc, 0, 4); |
b41f7df0 | 2455 | cris_cc_mask(dc, CC_MASK_NZVC); |
30abcfc7 EI |
2456 | cris_alu(dc, CC_OP_ADDC, |
2457 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], 4); | |
8170028d TS |
2458 | do_postinc(dc, 4); |
2459 | return insn_len; | |
2460 | } | |
2461 | ||
2462 | static unsigned int dec_sub_m(DisasContext *dc) | |
2463 | { | |
2464 | int memsize = memsize_zz(dc); | |
2465 | int insn_len; | |
2466 | DIS(fprintf (logfile, "sub.%c [$r%u%s, $r%u ir=%x zz=%x\n", | |
2467 | memsize_char(memsize), | |
2468 | dc->op1, dc->postinc ? "+]" : "]", | |
2469 | dc->op2, dc->ir, dc->zzsize)); | |
2470 | ||
8170028d | 2471 | insn_len = dec_prep_alu_m(dc, 0, memsize); |
b41f7df0 | 2472 | cris_cc_mask(dc, CC_MASK_NZVC); |
30abcfc7 EI |
2473 | cris_alu(dc, CC_OP_SUB, |
2474 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], memsize); | |
8170028d TS |
2475 | do_postinc(dc, memsize); |
2476 | return insn_len; | |
2477 | } | |
2478 | ||
2479 | static unsigned int dec_or_m(DisasContext *dc) | |
2480 | { | |
2481 | int memsize = memsize_zz(dc); | |
2482 | int insn_len; | |
2483 | DIS(fprintf (logfile, "or.%d [$r%u%s, $r%u pc=%x\n", | |
2484 | memsize_char(memsize), | |
2485 | dc->op1, dc->postinc ? "+]" : "]", | |
2486 | dc->op2, dc->pc)); | |
2487 | ||
8170028d | 2488 | insn_len = dec_prep_alu_m(dc, 0, memsize); |
b41f7df0 | 2489 | cris_cc_mask(dc, CC_MASK_NZ); |
30abcfc7 EI |
2490 | cris_alu(dc, CC_OP_OR, |
2491 | cpu_R[dc->op2], cpu_T[0], cpu_T[1], memsize_zz(dc)); | |
8170028d TS |
2492 | do_postinc(dc, memsize); |
2493 | return insn_len; | |
2494 | } | |
2495 | ||
2496 | static unsigned int dec_move_mp(DisasContext *dc) | |
2497 | { | |
2498 | int memsize = memsize_zz(dc); | |
2499 | int insn_len = 2; | |
2500 | ||
2501 | DIS(fprintf (logfile, "move.%c [$r%u%s, $p%u\n", | |
2502 | memsize_char(memsize), | |
2503 | dc->op1, | |
2504 | dc->postinc ? "+]" : "]", | |
2505 | dc->op2)); | |
2506 | ||
8170028d | 2507 | insn_len = dec_prep_alu_m(dc, 0, memsize); |
b41f7df0 EI |
2508 | cris_cc_mask(dc, 0); |
2509 | if (dc->op2 == PR_CCS) { | |
2510 | cris_evaluate_flags(dc); | |
2a44f7f1 | 2511 | if (dc->tb_flags & U_FLAG) { |
b41f7df0 EI |
2512 | /* User space is not allowed to touch all flags. */ |
2513 | tcg_gen_andi_tl(cpu_T[1], cpu_T[1], 0x39f); | |
2514 | tcg_gen_andi_tl(cpu_T[0], cpu_PR[PR_CCS], ~0x39f); | |
2515 | tcg_gen_or_tl(cpu_T[1], cpu_T[0], cpu_T[1]); | |
2516 | } | |
2517 | } | |
2518 | ||
cf1d97f0 | 2519 | t_gen_mov_preg_TN(dc, dc->op2, cpu_T[1]); |
8170028d TS |
2520 | |
2521 | do_postinc(dc, memsize); | |
2522 | return insn_len; | |
2523 | } | |
2524 | ||
2525 | static unsigned int dec_move_pm(DisasContext *dc) | |
2526 | { | |
2527 | int memsize; | |
2528 | ||
2529 | memsize = preg_sizes[dc->op2]; | |
2530 | ||
fd56059f AZ |
2531 | DIS(fprintf (logfile, "move.%c $p%u, [$r%u%s\n", |
2532 | memsize_char(memsize), | |
2533 | dc->op2, dc->op1, dc->postinc ? "+]" : "]")); | |
8170028d | 2534 | |
fd56059f | 2535 | /* prepare store. Address in T0, value in T1. */ |
17ac9754 EI |
2536 | if (dc->op2 == PR_CCS) |
2537 | cris_evaluate_flags(dc); | |
05ba7d5f | 2538 | t_gen_mov_TN_preg(cpu_T[1], dc->op2); |
30abcfc7 | 2539 | cris_flush_cc_state(dc); |
17ac9754 EI |
2540 | gen_store(dc, cpu_R[dc->op1], cpu_T[1], memsize); |
2541 | ||
b41f7df0 | 2542 | cris_cc_mask(dc, 0); |
8170028d | 2543 | if (dc->postinc) |
17ac9754 | 2544 | tcg_gen_addi_tl(cpu_R[dc->op1], cpu_R[dc->op1], memsize); |
8170028d TS |
2545 | return 2; |
2546 | } | |
2547 | ||
2548 | static unsigned int dec_movem_mr(DisasContext *dc) | |
2549 | { | |
17ac9754 | 2550 | TCGv tmp[16]; |
8170028d | 2551 | int i; |
28de16da | 2552 | int nr = dc->op2 + 1; |
8170028d TS |
2553 | |
2554 | DIS(fprintf (logfile, "movem [$r%u%s, $r%u\n", dc->op1, | |
2555 | dc->postinc ? "+]" : "]", dc->op2)); | |
2556 | ||
28de16da | 2557 | /* There are probably better ways of doing this. */ |
30abcfc7 | 2558 | cris_flush_cc_state(dc); |
28de16da EI |
2559 | for (i = 0; i < (nr >> 1); i++) { |
2560 | tmp[i] = tcg_temp_new(TCG_TYPE_I64); | |
2561 | tcg_gen_addi_tl(cpu_T[0], cpu_R[dc->op1], i * 8); | |
2562 | gen_load(dc, tmp[i], cpu_T[0], 8, 0); | |
2563 | } | |
2564 | if (nr & 1) { | |
2565 | tmp[i] = tcg_temp_new(TCG_TYPE_I32); | |
2566 | tcg_gen_addi_tl(cpu_T[0], cpu_R[dc->op1], i * 8); | |
17ac9754 | 2567 | gen_load(dc, tmp[i], cpu_T[0], 4, 0); |
8170028d | 2568 | } |
17ac9754 | 2569 | |
28de16da EI |
2570 | for (i = 0; i < (nr >> 1); i++) { |
2571 | tcg_gen_trunc_i64_i32(cpu_R[i * 2], tmp[i]); | |
2572 | tcg_gen_shri_i64(tmp[i], tmp[i], 32); | |
2573 | tcg_gen_trunc_i64_i32(cpu_R[i * 2 + 1], tmp[i]); | |
2574 | tcg_temp_free(tmp[i]); | |
2575 | } | |
2576 | if (nr & 1) { | |
2577 | tcg_gen_mov_tl(cpu_R[dc->op2], tmp[i]); | |
30abcfc7 | 2578 | tcg_temp_free(tmp[i]); |
17ac9754 EI |
2579 | } |
2580 | ||
05ba7d5f EI |
2581 | /* writeback the updated pointer value. */ |
2582 | if (dc->postinc) | |
28de16da | 2583 | tcg_gen_addi_tl(cpu_R[dc->op1], cpu_R[dc->op1], nr * 4); |
b41f7df0 EI |
2584 | |
2585 | /* gen_load might want to evaluate the previous insns flags. */ | |
2586 | cris_cc_mask(dc, 0); | |
8170028d TS |
2587 | return 2; |
2588 | } | |
2589 | ||
2590 | static unsigned int dec_movem_rm(DisasContext *dc) | |
2591 | { | |
30abcfc7 | 2592 | TCGv tmp; |
8170028d TS |
2593 | int i; |
2594 | ||
2595 | DIS(fprintf (logfile, "movem $r%u, [$r%u%s\n", dc->op2, dc->op1, | |
2596 | dc->postinc ? "+]" : "]")); | |
2597 | ||
30abcfc7 EI |
2598 | cris_flush_cc_state(dc); |
2599 | ||
2600 | tmp = tcg_temp_new(TCG_TYPE_TL); | |
2601 | tcg_gen_movi_tl(tmp, 4); | |
2602 | tcg_gen_mov_tl(cpu_T[0], cpu_R[dc->op1]); | |
8170028d | 2603 | for (i = 0; i <= dc->op2; i++) { |
17ac9754 | 2604 | /* Displace addr. */ |
8170028d | 2605 | /* Perform the store. */ |
17ac9754 | 2606 | gen_store(dc, cpu_T[0], cpu_R[i], 4); |
30abcfc7 | 2607 | tcg_gen_add_tl(cpu_T[0], cpu_T[0], tmp); |
8170028d | 2608 | } |
17ac9754 | 2609 | if (dc->postinc) |
30abcfc7 | 2610 | tcg_gen_mov_tl(cpu_R[dc->op1], cpu_T[0]); |
b41f7df0 | 2611 | cris_cc_mask(dc, 0); |
30abcfc7 | 2612 | tcg_temp_free(tmp); |
8170028d TS |
2613 | return 2; |
2614 | } | |
2615 | ||
2616 | static unsigned int dec_move_rm(DisasContext *dc) | |
2617 | { | |
2618 | int memsize; | |
2619 | ||
2620 | memsize = memsize_zz(dc); | |
2621 | ||
2622 | DIS(fprintf (logfile, "move.%d $r%u, [$r%u]\n", | |
2623 | memsize, dc->op2, dc->op1)); | |
2624 | ||
8170028d | 2625 | /* prepare store. */ |
30abcfc7 | 2626 | cris_flush_cc_state(dc); |
17ac9754 EI |
2627 | gen_store(dc, cpu_R[dc->op1], cpu_R[dc->op2], memsize); |
2628 | ||
8170028d | 2629 | if (dc->postinc) |
17ac9754 | 2630 | tcg_gen_addi_tl(cpu_R[dc->op1], cpu_R[dc->op1], memsize); |
b41f7df0 | 2631 | cris_cc_mask(dc, 0); |
8170028d TS |
2632 | return 2; |
2633 | } | |
2634 | ||
8170028d TS |
2635 | static unsigned int dec_lapcq(DisasContext *dc) |
2636 | { | |
2637 | DIS(fprintf (logfile, "lapcq %x, $r%u\n", | |
2638 | dc->pc + dc->op1*2, dc->op2)); | |
2639 | cris_cc_mask(dc, 0); | |
30abcfc7 | 2640 | tcg_gen_movi_tl(cpu_R[dc->op2], dc->pc + dc->op1 * 2); |
8170028d TS |
2641 | return 2; |
2642 | } | |
2643 | ||
2644 | static unsigned int dec_lapc_im(DisasContext *dc) | |
2645 | { | |
2646 | unsigned int rd; | |
2647 | int32_t imm; | |
b41f7df0 | 2648 | int32_t pc; |
8170028d TS |
2649 | |
2650 | rd = dc->op2; | |
2651 | ||
2652 | cris_cc_mask(dc, 0); | |
2653 | imm = ldl_code(dc->pc + 2); | |
2654 | DIS(fprintf (logfile, "lapc 0x%x, $r%u\n", imm + dc->pc, dc->op2)); | |
b41f7df0 EI |
2655 | |
2656 | pc = dc->pc; | |
2657 | pc += imm; | |
2658 | t_gen_mov_reg_TN(rd, tcg_const_tl(pc)); | |
05ba7d5f | 2659 | return 6; |
8170028d TS |
2660 | } |
2661 | ||
2662 | /* Jump to special reg. */ | |
2663 | static unsigned int dec_jump_p(DisasContext *dc) | |
2664 | { | |
2665 | DIS(fprintf (logfile, "jump $p%u\n", dc->op2)); | |
b41f7df0 | 2666 | |
17ac9754 EI |
2667 | if (dc->op2 == PR_CCS) |
2668 | cris_evaluate_flags(dc); | |
05ba7d5f | 2669 | t_gen_mov_TN_preg(cpu_T[0], dc->op2); |
b41f7df0 EI |
2670 | /* rete will often have low bit set to indicate delayslot. */ |
2671 | tcg_gen_andi_tl(env_btarget, cpu_T[0], ~1); | |
17ac9754 | 2672 | cris_cc_mask(dc, 0); |
2a44f7f1 | 2673 | cris_prepare_jmp(dc, JMP_INDIRECT); |
8170028d TS |
2674 | return 2; |
2675 | } | |
2676 | ||
2677 | /* Jump and save. */ | |
2678 | static unsigned int dec_jas_r(DisasContext *dc) | |
2679 | { | |
2680 | DIS(fprintf (logfile, "jas $r%u, $p%u\n", dc->op1, dc->op2)); | |
2681 | cris_cc_mask(dc, 0); | |
b41f7df0 EI |
2682 | /* Store the return address in Pd. */ |
2683 | tcg_gen_mov_tl(env_btarget, cpu_R[dc->op1]); | |
2684 | if (dc->op2 > 15) | |
2685 | abort(); | |
30abcfc7 | 2686 | t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 4)); |
b41f7df0 | 2687 | |
2a44f7f1 | 2688 | cris_prepare_jmp(dc, JMP_INDIRECT); |
8170028d TS |
2689 | return 2; |
2690 | } | |
2691 | ||
2692 | static unsigned int dec_jas_im(DisasContext *dc) | |
2693 | { | |
2694 | uint32_t imm; | |
2695 | ||
2696 | imm = ldl_code(dc->pc + 2); | |
2697 | ||
2698 | DIS(fprintf (logfile, "jas 0x%x\n", imm)); | |
2699 | cris_cc_mask(dc, 0); | |
17ac9754 | 2700 | /* Store the return address in Pd. */ |
cf1d97f0 | 2701 | t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 8)); |
2a44f7f1 EI |
2702 | |
2703 | dc->jmp_pc = imm; | |
2704 | cris_prepare_jmp(dc, JMP_DIRECT); | |
8170028d TS |
2705 | return 6; |
2706 | } | |
2707 | ||
2708 | static unsigned int dec_jasc_im(DisasContext *dc) | |
2709 | { | |
2710 | uint32_t imm; | |
2711 | ||
2712 | imm = ldl_code(dc->pc + 2); | |
2713 | ||
2714 | DIS(fprintf (logfile, "jasc 0x%x\n", imm)); | |
2715 | cris_cc_mask(dc, 0); | |
17ac9754 | 2716 | /* Store the return address in Pd. */ |
2a44f7f1 EI |
2717 | t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 8 + 4)); |
2718 | ||
2719 | dc->jmp_pc = imm; | |
2720 | cris_prepare_jmp(dc, JMP_DIRECT); | |
8170028d TS |
2721 | return 6; |
2722 | } | |
2723 | ||
2724 | static unsigned int dec_jasc_r(DisasContext *dc) | |
2725 | { | |
2726 | DIS(fprintf (logfile, "jasc_r $r%u, $p%u\n", dc->op1, dc->op2)); | |
2727 | cris_cc_mask(dc, 0); | |
17ac9754 | 2728 | /* Store the return address in Pd. */ |
2a44f7f1 EI |
2729 | tcg_gen_mov_tl(env_btarget, cpu_R[dc->op1]); |
2730 | t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 4 + 4)); | |
2731 | cris_prepare_jmp(dc, JMP_INDIRECT); | |
8170028d TS |
2732 | return 2; |
2733 | } | |
2734 | ||
2735 | static unsigned int dec_bcc_im(DisasContext *dc) | |
2736 | { | |
2737 | int32_t offset; | |
2738 | uint32_t cond = dc->op2; | |
2739 | ||
17ac9754 | 2740 | offset = ldsw_code(dc->pc + 2); |
8170028d TS |
2741 | |
2742 | DIS(fprintf (logfile, "b%s %d pc=%x dst=%x\n", | |
2743 | cc_name(cond), offset, | |
2744 | dc->pc, dc->pc + offset)); | |
2745 | ||
2746 | cris_cc_mask(dc, 0); | |
2747 | /* op2 holds the condition-code. */ | |
2748 | cris_prepare_cc_branch (dc, offset, cond); | |
2749 | return 4; | |
2750 | } | |
2751 | ||
2752 | static unsigned int dec_bas_im(DisasContext *dc) | |
2753 | { | |
2754 | int32_t simm; | |
2755 | ||
2756 | ||
2757 | simm = ldl_code(dc->pc + 2); | |
2758 | ||
2759 | DIS(fprintf (logfile, "bas 0x%x, $p%u\n", dc->pc + simm, dc->op2)); | |
2760 | cris_cc_mask(dc, 0); | |
2a44f7f1 EI |
2761 | /* Store the return address in Pd. */ |
2762 | t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 8)); | |
2763 | ||
2764 | dc->jmp_pc = dc->pc + simm; | |
2765 | cris_prepare_jmp(dc, JMP_DIRECT); | |
8170028d TS |
2766 | return 6; |
2767 | } | |
2768 | ||
2769 | static unsigned int dec_basc_im(DisasContext *dc) | |
2770 | { | |
2771 | int32_t simm; | |
2772 | simm = ldl_code(dc->pc + 2); | |
2773 | ||
2774 | DIS(fprintf (logfile, "basc 0x%x, $p%u\n", dc->pc + simm, dc->op2)); | |
2775 | cris_cc_mask(dc, 0); | |
2a44f7f1 EI |
2776 | /* Store the return address in Pd. */ |
2777 | t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 12)); | |
2778 | ||
2779 | dc->jmp_pc = dc->pc + simm; | |
2780 | cris_prepare_jmp(dc, JMP_DIRECT); | |
8170028d TS |
2781 | return 6; |
2782 | } | |
2783 | ||
2784 | static unsigned int dec_rfe_etc(DisasContext *dc) | |
2785 | { | |
8170028d TS |
2786 | cris_cc_mask(dc, 0); |
2787 | ||
2788 | if (dc->op2 == 15) /* ignore halt. */ | |
05ba7d5f | 2789 | return 2; |
8170028d TS |
2790 | |
2791 | switch (dc->op2 & 7) { | |
2792 | case 2: | |
2793 | /* rfe. */ | |
a1aebcb8 | 2794 | DIS(fprintf(logfile, "rfe\n")); |
8170028d | 2795 | cris_evaluate_flags(dc); |
b41f7df0 EI |
2796 | tcg_gen_helper_0_0(helper_rfe); |
2797 | dc->is_jmp = DISAS_UPDATE; | |
8170028d TS |
2798 | break; |
2799 | case 5: | |
2800 | /* rfn. */ | |
a1aebcb8 | 2801 | DIS(fprintf(logfile, "rfn\n")); |
a7cfbba0 EI |
2802 | cris_evaluate_flags(dc); |
2803 | tcg_gen_helper_0_0(helper_rfn); | |
2804 | dc->is_jmp = DISAS_UPDATE; | |
8170028d TS |
2805 | break; |
2806 | case 6: | |
a1aebcb8 EI |
2807 | DIS(fprintf(logfile, "break %d\n", dc->op1)); |
2808 | cris_evaluate_flags (dc); | |
8170028d | 2809 | /* break. */ |
cddffe37 | 2810 | tcg_gen_movi_tl(env_pc, dc->pc + 2); |
a1aebcb8 | 2811 | |
8170028d | 2812 | /* Breaks start at 16 in the exception vector. */ |
dceaf394 EI |
2813 | t_gen_mov_env_TN(trap_vector, |
2814 | tcg_const_tl(dc->op1 + 16)); | |
2815 | t_gen_raise_exception(EXCP_BREAK); | |
b41f7df0 | 2816 | dc->is_jmp = DISAS_UPDATE; |
8170028d TS |
2817 | break; |
2818 | default: | |
2819 | printf ("op2=%x\n", dc->op2); | |
2820 | BUG(); | |
2821 | break; | |
2822 | ||
2823 | } | |
8170028d TS |
2824 | return 2; |
2825 | } | |
2826 | ||
5d4a534d EI |
2827 | static unsigned int dec_ftag_fidx_d_m(DisasContext *dc) |
2828 | { | |
2829 | /* Ignore D-cache flushes. */ | |
2830 | return 2; | |
2831 | } | |
2832 | ||
2833 | static unsigned int dec_ftag_fidx_i_m(DisasContext *dc) | |
2834 | { | |
2835 | /* Ignore I-cache flushes. */ | |
2836 | return 2; | |
2837 | } | |
2838 | ||
8170028d TS |
2839 | static unsigned int dec_null(DisasContext *dc) |
2840 | { | |
2841 | printf ("unknown insn pc=%x opc=%x op1=%x op2=%x\n", | |
2842 | dc->pc, dc->opcode, dc->op1, dc->op2); | |
2843 | fflush(NULL); | |
2844 | BUG(); | |
2845 | return 2; | |
2846 | } | |
2847 | ||
9b32fbf8 | 2848 | static struct decoder_info { |
8170028d TS |
2849 | struct { |
2850 | uint32_t bits; | |
2851 | uint32_t mask; | |
2852 | }; | |
2853 | unsigned int (*dec)(DisasContext *dc); | |
2854 | } decinfo[] = { | |
2855 | /* Order matters here. */ | |
2856 | {DEC_MOVEQ, dec_moveq}, | |
2857 | {DEC_BTSTQ, dec_btstq}, | |
2858 | {DEC_CMPQ, dec_cmpq}, | |
2859 | {DEC_ADDOQ, dec_addoq}, | |
2860 | {DEC_ADDQ, dec_addq}, | |
2861 | {DEC_SUBQ, dec_subq}, | |
2862 | {DEC_ANDQ, dec_andq}, | |
2863 | {DEC_ORQ, dec_orq}, | |
2864 | {DEC_ASRQ, dec_asrq}, | |
2865 | {DEC_LSLQ, dec_lslq}, | |
2866 | {DEC_LSRQ, dec_lsrq}, | |
2867 | {DEC_BCCQ, dec_bccq}, | |
2868 | ||
2869 | {DEC_BCC_IM, dec_bcc_im}, | |
2870 | {DEC_JAS_IM, dec_jas_im}, | |
2871 | {DEC_JAS_R, dec_jas_r}, | |
2872 | {DEC_JASC_IM, dec_jasc_im}, | |
2873 | {DEC_JASC_R, dec_jasc_r}, | |
2874 | {DEC_BAS_IM, dec_bas_im}, | |
2875 | {DEC_BASC_IM, dec_basc_im}, | |
2876 | {DEC_JUMP_P, dec_jump_p}, | |
2877 | {DEC_LAPC_IM, dec_lapc_im}, | |
2878 | {DEC_LAPCQ, dec_lapcq}, | |
2879 | ||
2880 | {DEC_RFE_ETC, dec_rfe_etc}, | |
2881 | {DEC_ADDC_MR, dec_addc_mr}, | |
2882 | ||
2883 | {DEC_MOVE_MP, dec_move_mp}, | |
2884 | {DEC_MOVE_PM, dec_move_pm}, | |
2885 | {DEC_MOVEM_MR, dec_movem_mr}, | |
2886 | {DEC_MOVEM_RM, dec_movem_rm}, | |
2887 | {DEC_MOVE_PR, dec_move_pr}, | |
2888 | {DEC_SCC_R, dec_scc_r}, | |
2889 | {DEC_SETF, dec_setclrf}, | |
2890 | {DEC_CLEARF, dec_setclrf}, | |
2891 | ||
2892 | {DEC_MOVE_SR, dec_move_sr}, | |
2893 | {DEC_MOVE_RP, dec_move_rp}, | |
2894 | {DEC_SWAP_R, dec_swap_r}, | |
2895 | {DEC_ABS_R, dec_abs_r}, | |
2896 | {DEC_LZ_R, dec_lz_r}, | |
2897 | {DEC_MOVE_RS, dec_move_rs}, | |
2898 | {DEC_BTST_R, dec_btst_r}, | |
2899 | {DEC_ADDC_R, dec_addc_r}, | |
2900 | ||
2901 | {DEC_DSTEP_R, dec_dstep_r}, | |
2902 | {DEC_XOR_R, dec_xor_r}, | |
2903 | {DEC_MCP_R, dec_mcp_r}, | |
2904 | {DEC_CMP_R, dec_cmp_r}, | |
2905 | ||
2906 | {DEC_ADDI_R, dec_addi_r}, | |
2907 | {DEC_ADDI_ACR, dec_addi_acr}, | |
2908 | ||
2909 | {DEC_ADD_R, dec_add_r}, | |
2910 | {DEC_SUB_R, dec_sub_r}, | |
2911 | ||
2912 | {DEC_ADDU_R, dec_addu_r}, | |
2913 | {DEC_ADDS_R, dec_adds_r}, | |
2914 | {DEC_SUBU_R, dec_subu_r}, | |
2915 | {DEC_SUBS_R, dec_subs_r}, | |
2916 | {DEC_LSL_R, dec_lsl_r}, | |
2917 | ||
2918 | {DEC_AND_R, dec_and_r}, | |
2919 | {DEC_OR_R, dec_or_r}, | |
2920 | {DEC_BOUND_R, dec_bound_r}, | |
2921 | {DEC_ASR_R, dec_asr_r}, | |
2922 | {DEC_LSR_R, dec_lsr_r}, | |
2923 | ||
2924 | {DEC_MOVU_R, dec_movu_r}, | |
2925 | {DEC_MOVS_R, dec_movs_r}, | |
2926 | {DEC_NEG_R, dec_neg_r}, | |
2927 | {DEC_MOVE_R, dec_move_r}, | |
2928 | ||
5d4a534d EI |
2929 | {DEC_FTAG_FIDX_I_M, dec_ftag_fidx_i_m}, |
2930 | {DEC_FTAG_FIDX_D_M, dec_ftag_fidx_d_m}, | |
8170028d TS |
2931 | |
2932 | {DEC_MULS_R, dec_muls_r}, | |
2933 | {DEC_MULU_R, dec_mulu_r}, | |
2934 | ||
2935 | {DEC_ADDU_M, dec_addu_m}, | |
2936 | {DEC_ADDS_M, dec_adds_m}, | |
2937 | {DEC_SUBU_M, dec_subu_m}, | |
2938 | {DEC_SUBS_M, dec_subs_m}, | |
2939 | ||
2940 | {DEC_CMPU_M, dec_cmpu_m}, | |
2941 | {DEC_CMPS_M, dec_cmps_m}, | |
2942 | {DEC_MOVU_M, dec_movu_m}, | |
2943 | {DEC_MOVS_M, dec_movs_m}, | |
2944 | ||
2945 | {DEC_CMP_M, dec_cmp_m}, | |
2946 | {DEC_ADDO_M, dec_addo_m}, | |
2947 | {DEC_BOUND_M, dec_bound_m}, | |
2948 | {DEC_ADD_M, dec_add_m}, | |
2949 | {DEC_SUB_M, dec_sub_m}, | |
2950 | {DEC_AND_M, dec_and_m}, | |
2951 | {DEC_OR_M, dec_or_m}, | |
2952 | {DEC_MOVE_RM, dec_move_rm}, | |
2953 | {DEC_TEST_M, dec_test_m}, | |
2954 | {DEC_MOVE_MR, dec_move_mr}, | |
2955 | ||
2956 | {{0, 0}, dec_null} | |
2957 | }; | |
2958 | ||
2959 | static inline unsigned int | |
2960 | cris_decoder(DisasContext *dc) | |
2961 | { | |
2962 | unsigned int insn_len = 2; | |
8170028d TS |
2963 | int i; |
2964 | ||
28de16da EI |
2965 | if (unlikely(loglevel & CPU_LOG_TB_OP)) |
2966 | tcg_gen_debug_insn_start(dc->pc); | |
2967 | ||
8170028d | 2968 | /* Load a halfword onto the instruction register. */ |
17ac9754 | 2969 | dc->ir = lduw_code(dc->pc); |
8170028d TS |
2970 | |
2971 | /* Now decode it. */ | |
2972 | dc->opcode = EXTRACT_FIELD(dc->ir, 4, 11); | |
2973 | dc->op1 = EXTRACT_FIELD(dc->ir, 0, 3); | |
2974 | dc->op2 = EXTRACT_FIELD(dc->ir, 12, 15); | |
2975 | dc->zsize = EXTRACT_FIELD(dc->ir, 4, 4); | |
2976 | dc->zzsize = EXTRACT_FIELD(dc->ir, 4, 5); | |
2977 | dc->postinc = EXTRACT_FIELD(dc->ir, 10, 10); | |
2978 | ||
2979 | /* Large switch for all insns. */ | |
2980 | for (i = 0; i < sizeof decinfo / sizeof decinfo[0]; i++) { | |
2981 | if ((dc->opcode & decinfo[i].mask) == decinfo[i].bits) | |
2982 | { | |
2983 | insn_len = decinfo[i].dec(dc); | |
2984 | break; | |
2985 | } | |
2986 | } | |
2987 | ||
dd20fcd0 | 2988 | #if !defined(CONFIG_USER_ONLY) |
a1aebcb8 EI |
2989 | /* Single-stepping ? */ |
2990 | if (dc->tb_flags & S_FLAG) { | |
2991 | int l1; | |
2992 | ||
2993 | l1 = gen_new_label(); | |
dd20fcd0 | 2994 | tcg_gen_brcondi_tl(TCG_COND_NE, cpu_PR[PR_SPC], dc->pc, l1); |
a1aebcb8 EI |
2995 | /* We treat SPC as a break with an odd trap vector. */ |
2996 | cris_evaluate_flags (dc); | |
2997 | t_gen_mov_env_TN(trap_vector, tcg_const_tl(3)); | |
2998 | tcg_gen_movi_tl(env_pc, dc->pc + insn_len); | |
cddffe37 | 2999 | tcg_gen_movi_tl(cpu_PR[PR_SPC], dc->pc + insn_len); |
a1aebcb8 EI |
3000 | t_gen_raise_exception(EXCP_BREAK); |
3001 | gen_set_label(l1); | |
3002 | } | |
3003 | #endif | |
8170028d TS |
3004 | return insn_len; |
3005 | } | |
3006 | ||
3007 | static void check_breakpoint(CPUState *env, DisasContext *dc) | |
3008 | { | |
3009 | int j; | |
3010 | if (env->nb_breakpoints > 0) { | |
3011 | for(j = 0; j < env->nb_breakpoints; j++) { | |
3012 | if (env->breakpoints[j] == dc->pc) { | |
3013 | cris_evaluate_flags (dc); | |
2a44f7f1 | 3014 | tcg_gen_movi_tl(env_pc, dc->pc); |
dceaf394 | 3015 | t_gen_raise_exception(EXCP_DEBUG); |
8170028d TS |
3016 | dc->is_jmp = DISAS_UPDATE; |
3017 | } | |
3018 | } | |
3019 | } | |
3020 | } | |
3021 | ||
cf1d97f0 EI |
3022 | |
3023 | /* | |
3024 | * Delay slots on QEMU/CRIS. | |
3025 | * | |
3026 | * If an exception hits on a delayslot, the core will let ERP (the Exception | |
3027 | * Return Pointer) point to the branch (the previous) insn and set the lsb to | |
3028 | * to give SW a hint that the exception actually hit on the dslot. | |
3029 | * | |
3030 | * CRIS expects all PC addresses to be 16-bit aligned. The lsb is ignored by | |
3031 | * the core and any jmp to an odd addresses will mask off that lsb. It is | |
3032 | * simply there to let sw know there was an exception on a dslot. | |
3033 | * | |
3034 | * When the software returns from an exception, the branch will re-execute. | |
3035 | * On QEMU care needs to be taken when a branch+delayslot sequence is broken | |
3036 | * and the branch and delayslot dont share pages. | |
3037 | * | |
3038 | * The TB contaning the branch insn will set up env->btarget and evaluate | |
3039 | * env->btaken. When the translation loop exits we will note that the branch | |
3040 | * sequence is broken and let env->dslot be the size of the branch insn (those | |
3041 | * vary in length). | |
3042 | * | |
3043 | * The TB contaning the delayslot will have the PC of its real insn (i.e no lsb | |
3044 | * set). It will also expect to have env->dslot setup with the size of the | |
3045 | * delay slot so that env->pc - env->dslot point to the branch insn. This TB | |
3046 | * will execute the dslot and take the branch, either to btarget or just one | |
3047 | * insn ahead. | |
3048 | * | |
3049 | * When exceptions occur, we check for env->dslot in do_interrupt to detect | |
3050 | * broken branch sequences and setup $erp accordingly (i.e let it point to the | |
3051 | * branch and set lsb). Then env->dslot gets cleared so that the exception | |
3052 | * handler can enter. When returning from exceptions (jump $erp) the lsb gets | |
3053 | * masked off and we will reexecute the branch insn. | |
3054 | * | |
3055 | */ | |
3056 | ||
8170028d | 3057 | /* generate intermediate code for basic block 'tb'. */ |
2cfc5f17 | 3058 | static void |
8170028d TS |
3059 | gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb, |
3060 | int search_pc) | |
3061 | { | |
3062 | uint16_t *gen_opc_end; | |
3063 | uint32_t pc_start; | |
3064 | unsigned int insn_len; | |
3065 | int j, lj; | |
cf1d97f0 | 3066 | struct DisasContext ctx; |
8170028d TS |
3067 | struct DisasContext *dc = &ctx; |
3068 | uint32_t next_page_start; | |
2a44f7f1 | 3069 | target_ulong npc; |
2e70f6ef PB |
3070 | int num_insns; |
3071 | int max_insns; | |
8170028d | 3072 | |
a825e703 EI |
3073 | if (!logfile) |
3074 | logfile = stderr; | |
3075 | ||
73e51723 EI |
3076 | /* Odd PC indicates that branch is rexecuting due to exception in the |
3077 | * delayslot, like in real hw. | |
73e51723 EI |
3078 | */ |
3079 | pc_start = tb->pc & ~1; | |
8170028d TS |
3080 | dc->env = env; |
3081 | dc->tb = tb; | |
3082 | ||
8170028d | 3083 | gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
8170028d TS |
3084 | |
3085 | dc->is_jmp = DISAS_NEXT; | |
b41f7df0 | 3086 | dc->ppc = pc_start; |
8170028d TS |
3087 | dc->pc = pc_start; |
3088 | dc->singlestep_enabled = env->singlestep_enabled; | |
30abcfc7 EI |
3089 | dc->flags_uptodate = 1; |
3090 | dc->flagx_known = 1; | |
3091 | dc->flags_x = tb->flags & X_FLAG; | |
3092 | dc->cc_x_uptodate = 0; | |
b41f7df0 | 3093 | dc->cc_mask = 0; |
cf1d97f0 | 3094 | dc->update_cc = 0; |
30abcfc7 | 3095 | |
b41f7df0 | 3096 | cris_update_cc_op(dc, CC_OP_FLAGS, 4); |
30abcfc7 | 3097 | dc->cc_size_uptodate = -1; |
b41f7df0 | 3098 | |
cf1d97f0 | 3099 | /* Decode TB flags. */ |
a1aebcb8 | 3100 | dc->tb_flags = tb->flags & (S_FLAG | P_FLAG | U_FLAG | X_FLAG); |
cf1d97f0 | 3101 | dc->delayed_branch = !!(tb->flags & 7); |
2a44f7f1 EI |
3102 | if (dc->delayed_branch) |
3103 | dc->jmp = JMP_INDIRECT; | |
3104 | else | |
3105 | dc->jmp = JMP_NOJMP; | |
3106 | ||
3107 | dc->cpustate_changed = 0; | |
b41f7df0 EI |
3108 | |
3109 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
3110 | fprintf(logfile, | |
d297f464 | 3111 | "srch=%d pc=%x %x flg=%llx bt=%x ds=%u ccs=%x\n" |
30abcfc7 | 3112 | "pid=%x usp=%x\n" |
b41f7df0 EI |
3113 | "%x.%x.%x.%x\n" |
3114 | "%x.%x.%x.%x\n" | |
3115 | "%x.%x.%x.%x\n" | |
3116 | "%x.%x.%x.%x\n", | |
d297f464 EI |
3117 | search_pc, dc->pc, dc->ppc, |
3118 | (unsigned long long)tb->flags, | |
3119 | env->btarget, (unsigned)tb->flags & 7, | |
cf1d97f0 | 3120 | env->pregs[PR_CCS], |
b41f7df0 EI |
3121 | env->pregs[PR_PID], env->pregs[PR_USP], |
3122 | env->regs[0], env->regs[1], env->regs[2], env->regs[3], | |
3123 | env->regs[4], env->regs[5], env->regs[6], env->regs[7], | |
3124 | env->regs[8], env->regs[9], | |
3125 | env->regs[10], env->regs[11], | |
3126 | env->regs[12], env->regs[13], | |
3127 | env->regs[14], env->regs[15]); | |
a1aebcb8 EI |
3128 | fprintf(logfile, "--------------\n"); |
3129 | fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start)); | |
b41f7df0 | 3130 | } |
3157a0a9 | 3131 | |
8170028d TS |
3132 | next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; |
3133 | lj = -1; | |
2e70f6ef PB |
3134 | num_insns = 0; |
3135 | max_insns = tb->cflags & CF_COUNT_MASK; | |
3136 | if (max_insns == 0) | |
3137 | max_insns = CF_COUNT_MASK; | |
3138 | ||
3139 | gen_icount_start(); | |
8170028d TS |
3140 | do |
3141 | { | |
3142 | check_breakpoint(env, dc); | |
8170028d TS |
3143 | |
3144 | if (search_pc) { | |
3145 | j = gen_opc_ptr - gen_opc_buf; | |
3146 | if (lj < j) { | |
3147 | lj++; | |
3148 | while (lj < j) | |
3149 | gen_opc_instr_start[lj++] = 0; | |
3150 | } | |
cf1d97f0 | 3151 | if (dc->delayed_branch == 1) |
b41f7df0 | 3152 | gen_opc_pc[lj] = dc->ppc | 1; |
cf1d97f0 | 3153 | else |
b41f7df0 | 3154 | gen_opc_pc[lj] = dc->pc; |
cf1d97f0 | 3155 | gen_opc_instr_start[lj] = 1; |
2e70f6ef | 3156 | gen_opc_icount[lj] = num_insns; |
cf1d97f0 EI |
3157 | } |
3158 | ||
3159 | /* Pretty disas. */ | |
a1aebcb8 | 3160 | DIS(fprintf(logfile, "%8.8x:\t", dc->pc)); |
8170028d | 3161 | |
2e70f6ef PB |
3162 | if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) |
3163 | gen_io_start(); | |
b41f7df0 | 3164 | dc->clear_x = 1; |
28de16da EI |
3165 | |
3166 | insn_len = cris_decoder(dc); | |
b41f7df0 | 3167 | dc->ppc = dc->pc; |
8170028d | 3168 | dc->pc += insn_len; |
b41f7df0 EI |
3169 | if (dc->clear_x) |
3170 | cris_clear_x_flag(dc); | |
8170028d | 3171 | |
2e70f6ef | 3172 | num_insns++; |
8170028d | 3173 | /* Check for delayed branches here. If we do it before |
bf20dc07 | 3174 | actually generating any host code, the simulator will just |
8170028d TS |
3175 | loop doing nothing for on this program location. */ |
3176 | if (dc->delayed_branch) { | |
3177 | dc->delayed_branch--; | |
3178 | if (dc->delayed_branch == 0) | |
3179 | { | |
2a44f7f1 EI |
3180 | if (tb->flags & 7) |
3181 | t_gen_mov_env_TN(dslot, | |
3182 | tcg_const_tl(0)); | |
3183 | if (dc->jmp == JMP_DIRECT) { | |
3184 | dc->is_jmp = DISAS_NEXT; | |
3185 | } else { | |
3186 | t_gen_cc_jmp(env_btarget, | |
3187 | tcg_const_tl(dc->pc)); | |
3188 | dc->is_jmp = DISAS_JUMP; | |
3189 | } | |
3190 | break; | |
8170028d TS |
3191 | } |
3192 | } | |
3193 | ||
73e51723 EI |
3194 | /* If we are rexecuting a branch due to exceptions on |
3195 | delay slots dont break. */ | |
3196 | if (!(tb->pc & 1) && env->singlestep_enabled) | |
8170028d TS |
3197 | break; |
3198 | } while (!dc->is_jmp && gen_opc_ptr < gen_opc_end | |
2e70f6ef PB |
3199 | && (dc->pc < next_page_start) |
3200 | && num_insns < max_insns); | |
b41f7df0 | 3201 | |
2a44f7f1 EI |
3202 | npc = dc->pc; |
3203 | if (dc->jmp == JMP_DIRECT && !dc->delayed_branch) | |
3204 | npc = dc->jmp_pc; | |
3205 | ||
2e70f6ef PB |
3206 | if (tb->cflags & CF_LAST_IO) |
3207 | gen_io_end(); | |
2a44f7f1 EI |
3208 | /* Force an update if the per-tb cpu state has changed. */ |
3209 | if (dc->is_jmp == DISAS_NEXT | |
3210 | && (dc->cpustate_changed || !dc->flagx_known | |
3211 | || (dc->flags_x != (tb->flags & X_FLAG)))) { | |
3212 | dc->is_jmp = DISAS_UPDATE; | |
3213 | tcg_gen_movi_tl(env_pc, npc); | |
3214 | } | |
cf1d97f0 | 3215 | /* Broken branch+delayslot sequence. */ |
b41f7df0 | 3216 | if (dc->delayed_branch == 1) { |
cf1d97f0 EI |
3217 | /* Set env->dslot to the size of the branch insn. */ |
3218 | t_gen_mov_env_TN(dslot, tcg_const_tl(dc->pc - dc->ppc)); | |
2a44f7f1 | 3219 | cris_store_direct_jmp(dc); |
8170028d TS |
3220 | } |
3221 | ||
3222 | cris_evaluate_flags (dc); | |
2a44f7f1 | 3223 | |
551bd27f | 3224 | if (unlikely(env->singlestep_enabled)) { |
89cc7382 EI |
3225 | if (dc->is_jmp == DISAS_NEXT) |
3226 | tcg_gen_movi_tl(env_pc, npc); | |
dceaf394 | 3227 | t_gen_raise_exception(EXCP_DEBUG); |
8170028d TS |
3228 | } else { |
3229 | switch(dc->is_jmp) { | |
3230 | case DISAS_NEXT: | |
2a44f7f1 | 3231 | gen_goto_tb(dc, 1, npc); |
8170028d TS |
3232 | break; |
3233 | default: | |
3234 | case DISAS_JUMP: | |
3235 | case DISAS_UPDATE: | |
3236 | /* indicate that the hash table must be used | |
3237 | to find the next TB */ | |
57fec1fe | 3238 | tcg_gen_exit_tb(0); |
8170028d | 3239 | break; |
4f400ab5 | 3240 | case DISAS_SWI: |
8170028d TS |
3241 | case DISAS_TB_JUMP: |
3242 | /* nothing more to generate */ | |
3243 | break; | |
3244 | } | |
3245 | } | |
2e70f6ef | 3246 | gen_icount_end(tb, num_insns); |
8170028d TS |
3247 | *gen_opc_ptr = INDEX_op_end; |
3248 | if (search_pc) { | |
3249 | j = gen_opc_ptr - gen_opc_buf; | |
3250 | lj++; | |
3251 | while (lj <= j) | |
3252 | gen_opc_instr_start[lj++] = 0; | |
3253 | } else { | |
3254 | tb->size = dc->pc - pc_start; | |
2e70f6ef | 3255 | tb->icount = num_insns; |
8170028d TS |
3256 | } |
3257 | ||
3258 | #ifdef DEBUG_DISAS | |
a1aebcb8 | 3259 | #if !DISAS_CRIS |
8170028d | 3260 | if (loglevel & CPU_LOG_TB_IN_ASM) { |
17ac9754 | 3261 | target_disas(logfile, pc_start, dc->pc - pc_start, 0); |
d297f464 | 3262 | fprintf(logfile, "\nisize=%d osize=%zd\n", |
b41f7df0 | 3263 | dc->pc - pc_start, gen_opc_ptr - gen_opc_buf); |
8170028d TS |
3264 | } |
3265 | #endif | |
a1aebcb8 | 3266 | #endif |
8170028d TS |
3267 | } |
3268 | ||
2cfc5f17 | 3269 | void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
8170028d | 3270 | { |
2cfc5f17 | 3271 | gen_intermediate_code_internal(env, tb, 0); |
8170028d TS |
3272 | } |
3273 | ||
2cfc5f17 | 3274 | void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
8170028d | 3275 | { |
2cfc5f17 | 3276 | gen_intermediate_code_internal(env, tb, 1); |
8170028d TS |
3277 | } |
3278 | ||
3279 | void cpu_dump_state (CPUState *env, FILE *f, | |
3280 | int (*cpu_fprintf)(FILE *f, const char *fmt, ...), | |
3281 | int flags) | |
3282 | { | |
3283 | int i; | |
3284 | uint32_t srs; | |
3285 | ||
3286 | if (!env || !f) | |
3287 | return; | |
3288 | ||
3289 | cpu_fprintf(f, "PC=%x CCS=%x btaken=%d btarget=%x\n" | |
30abcfc7 | 3290 | "cc_op=%d cc_src=%d cc_dest=%d cc_result=%x cc_mask=%x\n", |
9004627f | 3291 | env->pc, env->pregs[PR_CCS], env->btaken, env->btarget, |
8170028d | 3292 | env->cc_op, |
30abcfc7 EI |
3293 | env->cc_src, env->cc_dest, env->cc_result, env->cc_mask); |
3294 | ||
8170028d TS |
3295 | |
3296 | for (i = 0; i < 16; i++) { | |
3297 | cpu_fprintf(f, "r%2.2d=%8.8x ", i, env->regs[i]); | |
3298 | if ((i + 1) % 4 == 0) | |
3299 | cpu_fprintf(f, "\n"); | |
3300 | } | |
3301 | cpu_fprintf(f, "\nspecial regs:\n"); | |
3302 | for (i = 0; i < 16; i++) { | |
3303 | cpu_fprintf(f, "p%2.2d=%8.8x ", i, env->pregs[i]); | |
3304 | if ((i + 1) % 4 == 0) | |
3305 | cpu_fprintf(f, "\n"); | |
3306 | } | |
9004627f | 3307 | srs = env->pregs[PR_SRS]; |
b41f7df0 | 3308 | cpu_fprintf(f, "\nsupport function regs bank %x:\n", srs); |
8170028d TS |
3309 | if (srs < 256) { |
3310 | for (i = 0; i < 16; i++) { | |
3311 | cpu_fprintf(f, "s%2.2d=%8.8x ", | |
3312 | i, env->sregs[srs][i]); | |
3313 | if ((i + 1) % 4 == 0) | |
3314 | cpu_fprintf(f, "\n"); | |
3315 | } | |
3316 | } | |
3317 | cpu_fprintf(f, "\n\n"); | |
3318 | ||
3319 | } | |
3320 | ||
aaed909a | 3321 | CPUCRISState *cpu_cris_init (const char *cpu_model) |
8170028d TS |
3322 | { |
3323 | CPUCRISState *env; | |
a7cfbba0 | 3324 | static int tcg_initialized = 0; |
a825e703 | 3325 | int i; |
8170028d TS |
3326 | |
3327 | env = qemu_mallocz(sizeof(CPUCRISState)); | |
3328 | if (!env) | |
3329 | return NULL; | |
a7cfbba0 | 3330 | |
8170028d | 3331 | cpu_exec_init(env); |
a7cfbba0 EI |
3332 | cpu_reset(env); |
3333 | ||
3334 | if (tcg_initialized) | |
3335 | return env; | |
3336 | ||
3337 | tcg_initialized = 1; | |
05ba7d5f | 3338 | |
05ba7d5f EI |
3339 | cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env"); |
3340 | #if TARGET_LONG_BITS > HOST_LONG_BITS | |
3341 | cpu_T[0] = tcg_global_mem_new(TCG_TYPE_TL, | |
3342 | TCG_AREG0, offsetof(CPUState, t0), "T0"); | |
3343 | cpu_T[1] = tcg_global_mem_new(TCG_TYPE_TL, | |
3344 | TCG_AREG0, offsetof(CPUState, t1), "T1"); | |
3345 | #else | |
3346 | cpu_T[0] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG1, "T0"); | |
3347 | cpu_T[1] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG2, "T1"); | |
3348 | #endif | |
3349 | ||
30abcfc7 EI |
3350 | cc_x = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
3351 | offsetof(CPUState, cc_x), "cc_x"); | |
3352 | cc_src = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, | |
a825e703 | 3353 | offsetof(CPUState, cc_src), "cc_src"); |
30abcfc7 EI |
3354 | cc_dest = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
3355 | offsetof(CPUState, cc_dest), | |
a825e703 | 3356 | "cc_dest"); |
30abcfc7 EI |
3357 | cc_result = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
3358 | offsetof(CPUState, cc_result), | |
a825e703 | 3359 | "cc_result"); |
30abcfc7 | 3360 | cc_op = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
a825e703 | 3361 | offsetof(CPUState, cc_op), "cc_op"); |
30abcfc7 EI |
3362 | cc_size = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
3363 | offsetof(CPUState, cc_size), | |
a825e703 | 3364 | "cc_size"); |
30abcfc7 | 3365 | cc_mask = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
a825e703 EI |
3366 | offsetof(CPUState, cc_mask), |
3367 | "cc_mask"); | |
3368 | ||
b41f7df0 | 3369 | env_pc = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
30abcfc7 EI |
3370 | offsetof(CPUState, pc), |
3371 | "pc"); | |
3372 | env_btarget = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, | |
3373 | offsetof(CPUState, btarget), | |
3374 | "btarget"); | |
2a44f7f1 EI |
3375 | env_btaken = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
3376 | offsetof(CPUState, btaken), | |
3377 | "btaken"); | |
a825e703 | 3378 | for (i = 0; i < 16; i++) { |
30abcfc7 EI |
3379 | cpu_R[i] = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
3380 | offsetof(CPUState, regs[i]), | |
a825e703 EI |
3381 | regnames[i]); |
3382 | } | |
3383 | for (i = 0; i < 16; i++) { | |
30abcfc7 EI |
3384 | cpu_PR[i] = tcg_global_mem_new(TCG_TYPE_PTR, TCG_AREG0, |
3385 | offsetof(CPUState, pregs[i]), | |
a825e703 EI |
3386 | pregnames[i]); |
3387 | } | |
3388 | ||
dceaf394 | 3389 | TCG_HELPER(helper_raise_exception); |
b41f7df0 | 3390 | TCG_HELPER(helper_dump); |
b41f7df0 | 3391 | |
cf1d97f0 | 3392 | TCG_HELPER(helper_tlb_flush_pid); |
dceaf394 EI |
3393 | TCG_HELPER(helper_movl_sreg_reg); |
3394 | TCG_HELPER(helper_movl_reg_sreg); | |
3395 | TCG_HELPER(helper_rfe); | |
a7cfbba0 | 3396 | TCG_HELPER(helper_rfn); |
dceaf394 | 3397 | |
b41f7df0 EI |
3398 | TCG_HELPER(helper_evaluate_flags_muls); |
3399 | TCG_HELPER(helper_evaluate_flags_mulu); | |
3400 | TCG_HELPER(helper_evaluate_flags_mcp); | |
3401 | TCG_HELPER(helper_evaluate_flags_alu_4); | |
3402 | TCG_HELPER(helper_evaluate_flags_move_4); | |
3403 | TCG_HELPER(helper_evaluate_flags_move_2); | |
3404 | TCG_HELPER(helper_evaluate_flags); | |
30abcfc7 | 3405 | TCG_HELPER(helper_top_evaluate_flags); |
8170028d TS |
3406 | return env; |
3407 | } | |
3408 | ||
3409 | void cpu_reset (CPUCRISState *env) | |
3410 | { | |
3411 | memset(env, 0, offsetof(CPUCRISState, breakpoints)); | |
3412 | tlb_flush(env, 1); | |
b41f7df0 EI |
3413 | |
3414 | #if defined(CONFIG_USER_ONLY) | |
3415 | /* start in user mode with interrupts enabled. */ | |
3416 | env->pregs[PR_CCS] |= U_FLAG | I_FLAG; | |
3417 | #else | |
3418 | env->pregs[PR_CCS] = 0; | |
3419 | #endif | |
8170028d | 3420 | } |
d2856f1a AJ |
3421 | |
3422 | void gen_pc_load(CPUState *env, struct TranslationBlock *tb, | |
3423 | unsigned long searched_pc, int pc_pos, void *puc) | |
3424 | { | |
17ac9754 | 3425 | env->pc = gen_opc_pc[pc_pos]; |
d2856f1a | 3426 | } |