jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
target/cris: Reindent op_helper.c
Fix all of the coding style errors in this file at once.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
+398
-419
+398
-419
target/cris/op_helper.c
+398
-419
target/cris/op_helper.c
···
48
48
void helper_tlb_flush_pid(CPUCRISState *env, uint32_t pid)
49
49
{
50
50
#if !defined(CONFIG_USER_ONLY)
51
-
pid &= 0xff;
52
-
if (pid != (env->pregs[PR_PID] & 0xff))
53
-
cris_mmu_flush_pid(env, env->pregs[PR_PID]);
51
+
pid &= 0xff;
52
+
if (pid != (env->pregs[PR_PID] & 0xff)) {
53
+
cris_mmu_flush_pid(env, env->pregs[PR_PID]);
54
+
}
54
55
#endif
55
56
}
56
57
···
66
67
}
67
68
68
69
/* Used by the tlb decoder. */
69
-
#define EXTRACT_FIELD(src, start, end) \
70
-
(((src) >> start) & ((1 << (end - start + 1)) - 1))
70
+
#define EXTRACT_FIELD(src, start, end) \
71
+
(((src) >> start) & ((1 << (end - start + 1)) - 1))
71
72
72
73
void helper_movl_sreg_reg(CPUCRISState *env, uint32_t sreg, uint32_t reg)
73
74
{
74
75
#if !defined(CONFIG_USER_ONLY)
75
76
CRISCPU *cpu = cris_env_get_cpu(env);
76
77
#endif
77
-
uint32_t srs;
78
-
srs = env->pregs[PR_SRS];
79
-
srs &= 3;
80
-
env->sregs[srs][sreg] = env->regs[reg];
78
+
uint32_t srs;
79
+
srs = env->pregs[PR_SRS];
80
+
srs &= 3;
81
+
env->sregs[srs][sreg] = env->regs[reg];
81
82
82
83
#if !defined(CONFIG_USER_ONLY)
83
-
if (srs == 1 || srs == 2) {
84
-
if (sreg == 6) {
85
-
/* Writes to tlb-hi write to mm_cause as a side
86
-
effect. */
87
-
env->sregs[SFR_RW_MM_TLB_HI] = env->regs[reg];
88
-
env->sregs[SFR_R_MM_CAUSE] = env->regs[reg];
89
-
}
90
-
else if (sreg == 5) {
91
-
uint32_t set;
92
-
uint32_t idx;
93
-
uint32_t lo, hi;
94
-
uint32_t vaddr;
95
-
int tlb_v;
84
+
if (srs == 1 || srs == 2) {
85
+
if (sreg == 6) {
86
+
/* Writes to tlb-hi write to mm_cause as a side effect. */
87
+
env->sregs[SFR_RW_MM_TLB_HI] = env->regs[reg];
88
+
env->sregs[SFR_R_MM_CAUSE] = env->regs[reg];
89
+
} else if (sreg == 5) {
90
+
uint32_t set;
91
+
uint32_t idx;
92
+
uint32_t lo, hi;
93
+
uint32_t vaddr;
94
+
int tlb_v;
96
95
97
-
idx = set = env->sregs[SFR_RW_MM_TLB_SEL];
98
-
set >>= 4;
99
-
set &= 3;
96
+
idx = set = env->sregs[SFR_RW_MM_TLB_SEL];
97
+
set >>= 4;
98
+
set &= 3;
100
99
101
-
idx &= 15;
102
-
/* We've just made a write to tlb_lo. */
103
-
lo = env->sregs[SFR_RW_MM_TLB_LO];
104
-
/* Writes are done via r_mm_cause. */
105
-
hi = env->sregs[SFR_R_MM_CAUSE];
100
+
idx &= 15;
101
+
/* We've just made a write to tlb_lo. */
102
+
lo = env->sregs[SFR_RW_MM_TLB_LO];
103
+
/* Writes are done via r_mm_cause. */
104
+
hi = env->sregs[SFR_R_MM_CAUSE];
106
105
107
-
vaddr = EXTRACT_FIELD(env->tlbsets[srs-1][set][idx].hi,
108
-
13, 31);
109
-
vaddr <<= TARGET_PAGE_BITS;
110
-
tlb_v = EXTRACT_FIELD(env->tlbsets[srs-1][set][idx].lo,
111
-
3, 3);
112
-
env->tlbsets[srs - 1][set][idx].lo = lo;
113
-
env->tlbsets[srs - 1][set][idx].hi = hi;
106
+
vaddr = EXTRACT_FIELD(env->tlbsets[srs - 1][set][idx].hi, 13, 31);
107
+
vaddr <<= TARGET_PAGE_BITS;
108
+
tlb_v = EXTRACT_FIELD(env->tlbsets[srs - 1][set][idx].lo, 3, 3);
109
+
env->tlbsets[srs - 1][set][idx].lo = lo;
110
+
env->tlbsets[srs - 1][set][idx].hi = hi;
114
111
115
-
D_LOG("tlb flush vaddr=%x v=%d pc=%x\n",
116
-
vaddr, tlb_v, env->pc);
117
-
if (tlb_v) {
112
+
D_LOG("tlb flush vaddr=%x v=%d pc=%x\n",
113
+
vaddr, tlb_v, env->pc);
114
+
if (tlb_v) {
118
115
tlb_flush_page(CPU(cpu), vaddr);
119
-
}
120
-
}
121
-
}
116
+
}
117
+
}
118
+
}
122
119
#endif
123
120
}
124
121
125
122
void helper_movl_reg_sreg(CPUCRISState *env, uint32_t reg, uint32_t sreg)
126
123
{
127
-
uint32_t srs;
128
-
env->pregs[PR_SRS] &= 3;
129
-
srs = env->pregs[PR_SRS];
130
-
124
+
uint32_t srs;
125
+
env->pregs[PR_SRS] &= 3;
126
+
srs = env->pregs[PR_SRS];
127
+
131
128
#if !defined(CONFIG_USER_ONLY)
132
-
if (srs == 1 || srs == 2)
133
-
{
134
-
uint32_t set;
135
-
uint32_t idx;
136
-
uint32_t lo, hi;
129
+
if (srs == 1 || srs == 2) {
130
+
uint32_t set;
131
+
uint32_t idx;
132
+
uint32_t lo, hi;
137
133
138
-
idx = set = env->sregs[SFR_RW_MM_TLB_SEL];
139
-
set >>= 4;
140
-
set &= 3;
141
-
idx &= 15;
134
+
idx = set = env->sregs[SFR_RW_MM_TLB_SEL];
135
+
set >>= 4;
136
+
set &= 3;
137
+
idx &= 15;
142
138
143
-
/* Update the mirror regs. */
144
-
hi = env->tlbsets[srs - 1][set][idx].hi;
145
-
lo = env->tlbsets[srs - 1][set][idx].lo;
146
-
env->sregs[SFR_RW_MM_TLB_HI] = hi;
147
-
env->sregs[SFR_RW_MM_TLB_LO] = lo;
148
-
}
139
+
/* Update the mirror regs. */
140
+
hi = env->tlbsets[srs - 1][set][idx].hi;
141
+
lo = env->tlbsets[srs - 1][set][idx].lo;
142
+
env->sregs[SFR_RW_MM_TLB_HI] = hi;
143
+
env->sregs[SFR_RW_MM_TLB_LO] = lo;
144
+
}
149
145
#endif
150
-
env->regs[reg] = env->sregs[srs][sreg];
146
+
env->regs[reg] = env->sregs[srs][sreg];
151
147
}
152
148
153
149
static void cris_ccs_rshift(CPUCRISState *env)
154
150
{
155
-
uint32_t ccs;
151
+
uint32_t ccs;
156
152
157
-
/* Apply the ccs shift. */
158
-
ccs = env->pregs[PR_CCS];
159
-
ccs = (ccs & 0xc0000000) | ((ccs & 0x0fffffff) >> 10);
160
-
if (ccs & U_FLAG)
161
-
{
162
-
/* Enter user mode. */
163
-
env->ksp = env->regs[R_SP];
164
-
env->regs[R_SP] = env->pregs[PR_USP];
165
-
}
153
+
/* Apply the ccs shift. */
154
+
ccs = env->pregs[PR_CCS];
155
+
ccs = (ccs & 0xc0000000) | ((ccs & 0x0fffffff) >> 10);
156
+
if (ccs & U_FLAG) {
157
+
/* Enter user mode. */
158
+
env->ksp = env->regs[R_SP];
159
+
env->regs[R_SP] = env->pregs[PR_USP];
160
+
}
166
161
167
-
env->pregs[PR_CCS] = ccs;
162
+
env->pregs[PR_CCS] = ccs;
168
163
}
169
164
170
165
void helper_rfe(CPUCRISState *env)
171
166
{
172
-
int rflag = env->pregs[PR_CCS] & R_FLAG;
167
+
int rflag = env->pregs[PR_CCS] & R_FLAG;
173
168
174
-
D_LOG("rfe: erp=%x pid=%x ccs=%x btarget=%x\n",
175
-
env->pregs[PR_ERP], env->pregs[PR_PID],
176
-
env->pregs[PR_CCS],
177
-
env->btarget);
169
+
D_LOG("rfe: erp=%x pid=%x ccs=%x btarget=%x\n",
170
+
env->pregs[PR_ERP], env->pregs[PR_PID],
171
+
env->pregs[PR_CCS],
172
+
env->btarget);
178
173
179
-
cris_ccs_rshift(env);
174
+
cris_ccs_rshift(env);
180
175
181
-
/* RFE sets the P_FLAG only if the R_FLAG is not set. */
182
-
if (!rflag)
183
-
env->pregs[PR_CCS] |= P_FLAG;
176
+
/* RFE sets the P_FLAG only if the R_FLAG is not set. */
177
+
if (!rflag) {
178
+
env->pregs[PR_CCS] |= P_FLAG;
179
+
}
184
180
}
185
181
186
182
void helper_rfn(CPUCRISState *env)
187
183
{
188
-
int rflag = env->pregs[PR_CCS] & R_FLAG;
184
+
int rflag = env->pregs[PR_CCS] & R_FLAG;
189
185
190
-
D_LOG("rfn: erp=%x pid=%x ccs=%x btarget=%x\n",
191
-
env->pregs[PR_ERP], env->pregs[PR_PID],
192
-
env->pregs[PR_CCS],
193
-
env->btarget);
186
+
D_LOG("rfn: erp=%x pid=%x ccs=%x btarget=%x\n",
187
+
env->pregs[PR_ERP], env->pregs[PR_PID],
188
+
env->pregs[PR_CCS],
189
+
env->btarget);
194
190
195
-
cris_ccs_rshift(env);
191
+
cris_ccs_rshift(env);
196
192
197
-
/* Set the P_FLAG only if the R_FLAG is not set. */
198
-
if (!rflag)
199
-
env->pregs[PR_CCS] |= P_FLAG;
193
+
/* Set the P_FLAG only if the R_FLAG is not set. */
194
+
if (!rflag) {
195
+
env->pregs[PR_CCS] |= P_FLAG;
196
+
}
200
197
201
-
/* Always set the M flag. */
202
-
env->pregs[PR_CCS] |= M_FLAG_V32;
198
+
/* Always set the M flag. */
199
+
env->pregs[PR_CCS] |= M_FLAG_V32;
203
200
}
204
201
205
202
uint32_t helper_btst(CPUCRISState *env, uint32_t t0, uint32_t t1, uint32_t ccs)
206
203
{
207
-
/* FIXME: clean this up. */
204
+
/* FIXME: clean this up. */
208
205
209
-
/* des ref:
210
-
The N flag is set according to the selected bit in the dest reg.
211
-
The Z flag is set if the selected bit and all bits to the right are
212
-
zero.
213
-
The X flag is cleared.
214
-
Other flags are left untouched.
215
-
The destination reg is not affected.*/
216
-
unsigned int fz, sbit, bset, mask, masked_t0;
206
+
/*
207
+
* des ref:
208
+
* The N flag is set according to the selected bit in the dest reg.
209
+
* The Z flag is set if the selected bit and all bits to the right are
210
+
* zero.
211
+
* The X flag is cleared.
212
+
* Other flags are left untouched.
213
+
* The destination reg is not affected.
214
+
*/
215
+
unsigned int fz, sbit, bset, mask, masked_t0;
217
216
218
-
sbit = t1 & 31;
219
-
bset = !!(t0 & (1 << sbit));
220
-
mask = sbit == 31 ? -1 : (1 << (sbit + 1)) - 1;
221
-
masked_t0 = t0 & mask;
222
-
fz = !(masked_t0 | bset);
217
+
sbit = t1 & 31;
218
+
bset = !!(t0 & (1 << sbit));
219
+
mask = sbit == 31 ? -1 : (1 << (sbit + 1)) - 1;
220
+
masked_t0 = t0 & mask;
221
+
fz = !(masked_t0 | bset);
223
222
224
-
/* Clear the X, N and Z flags. */
225
-
ccs = ccs & ~(X_FLAG | N_FLAG | Z_FLAG);
226
-
if (env->pregs[PR_VR] < 32)
227
-
ccs &= ~(V_FLAG | C_FLAG);
228
-
/* Set the N and Z flags accordingly. */
229
-
ccs |= (bset << 3) | (fz << 2);
230
-
return ccs;
223
+
/* Clear the X, N and Z flags. */
224
+
ccs = ccs & ~(X_FLAG | N_FLAG | Z_FLAG);
225
+
if (env->pregs[PR_VR] < 32) {
226
+
ccs &= ~(V_FLAG | C_FLAG);
227
+
}
228
+
/* Set the N and Z flags accordingly. */
229
+
ccs |= (bset << 3) | (fz << 2);
230
+
return ccs;
231
231
}
232
232
233
233
static inline uint32_t evaluate_flags_writeback(CPUCRISState *env,
234
234
uint32_t flags, uint32_t ccs)
235
235
{
236
-
unsigned int x, z, mask;
236
+
unsigned int x, z, mask;
237
237
238
-
/* Extended arithmetics, leave the z flag alone. */
239
-
x = env->cc_x;
240
-
mask = env->cc_mask | X_FLAG;
241
-
if (x) {
242
-
z = flags & Z_FLAG;
243
-
mask = mask & ~z;
244
-
}
245
-
flags &= mask;
238
+
/* Extended arithmetics, leave the z flag alone. */
239
+
x = env->cc_x;
240
+
mask = env->cc_mask | X_FLAG;
241
+
if (x) {
242
+
z = flags & Z_FLAG;
243
+
mask = mask & ~z;
244
+
}
245
+
flags &= mask;
246
246
247
-
/* all insn clear the x-flag except setf or clrf. */
248
-
ccs &= ~mask;
249
-
ccs |= flags;
250
-
return ccs;
247
+
/* all insn clear the x-flag except setf or clrf. */
248
+
ccs &= ~mask;
249
+
ccs |= flags;
250
+
return ccs;
251
251
}
252
252
253
253
uint32_t helper_evaluate_flags_muls(CPUCRISState *env,
254
254
uint32_t ccs, uint32_t res, uint32_t mof)
255
255
{
256
-
uint32_t flags = 0;
257
-
int64_t tmp;
258
-
int dneg;
256
+
uint32_t flags = 0;
257
+
int64_t tmp;
258
+
int dneg;
259
259
260
-
dneg = ((int32_t)res) < 0;
260
+
dneg = ((int32_t)res) < 0;
261
261
262
-
tmp = mof;
263
-
tmp <<= 32;
264
-
tmp |= res;
265
-
if (tmp == 0)
266
-
flags |= Z_FLAG;
267
-
else if (tmp < 0)
268
-
flags |= N_FLAG;
269
-
if ((dneg && mof != -1)
270
-
|| (!dneg && mof != 0))
271
-
flags |= V_FLAG;
272
-
return evaluate_flags_writeback(env, flags, ccs);
262
+
tmp = mof;
263
+
tmp <<= 32;
264
+
tmp |= res;
265
+
if (tmp == 0) {
266
+
flags |= Z_FLAG;
267
+
} else if (tmp < 0) {
268
+
flags |= N_FLAG;
269
+
}
270
+
if ((dneg && mof != -1) || (!dneg && mof != 0)) {
271
+
flags |= V_FLAG;
272
+
}
273
+
return evaluate_flags_writeback(env, flags, ccs);
273
274
}
274
275
275
276
uint32_t helper_evaluate_flags_mulu(CPUCRISState *env,
276
277
uint32_t ccs, uint32_t res, uint32_t mof)
277
278
{
278
-
uint32_t flags = 0;
279
-
uint64_t tmp;
279
+
uint32_t flags = 0;
280
+
uint64_t tmp;
280
281
281
-
tmp = mof;
282
-
tmp <<= 32;
283
-
tmp |= res;
284
-
if (tmp == 0)
285
-
flags |= Z_FLAG;
286
-
else if (tmp >> 63)
287
-
flags |= N_FLAG;
288
-
if (mof)
289
-
flags |= V_FLAG;
282
+
tmp = mof;
283
+
tmp <<= 32;
284
+
tmp |= res;
285
+
if (tmp == 0) {
286
+
flags |= Z_FLAG;
287
+
} else if (tmp >> 63) {
288
+
flags |= N_FLAG;
289
+
}
290
+
if (mof) {
291
+
flags |= V_FLAG;
292
+
}
290
293
291
-
return evaluate_flags_writeback(env, flags, ccs);
294
+
return evaluate_flags_writeback(env, flags, ccs);
292
295
}
293
296
294
297
uint32_t helper_evaluate_flags_mcp(CPUCRISState *env, uint32_t ccs,
295
298
uint32_t src, uint32_t dst, uint32_t res)
296
299
{
297
-
uint32_t flags = 0;
300
+
uint32_t flags = 0;
298
301
299
-
src = src & 0x80000000;
300
-
dst = dst & 0x80000000;
302
+
src = src & 0x80000000;
303
+
dst = dst & 0x80000000;
301
304
302
-
if ((res & 0x80000000L) != 0L)
303
-
{
304
-
flags |= N_FLAG;
305
-
if (!src && !dst)
306
-
flags |= V_FLAG;
307
-
else if (src & dst)
308
-
flags |= R_FLAG;
309
-
}
310
-
else
311
-
{
312
-
if (res == 0L)
313
-
flags |= Z_FLAG;
314
-
if (src & dst)
315
-
flags |= V_FLAG;
316
-
if (dst | src)
317
-
flags |= R_FLAG;
318
-
}
305
+
if ((res & 0x80000000L) != 0L) {
306
+
flags |= N_FLAG;
307
+
if (!src && !dst) {
308
+
flags |= V_FLAG;
309
+
} else if (src & dst) {
310
+
flags |= R_FLAG;
311
+
}
312
+
} else {
313
+
if (res == 0L) {
314
+
flags |= Z_FLAG;
315
+
}
316
+
if (src & dst) {
317
+
flags |= V_FLAG;
318
+
}
319
+
if (dst | src) {
320
+
flags |= R_FLAG;
321
+
}
322
+
}
319
323
320
-
return evaluate_flags_writeback(env, flags, ccs);
324
+
return evaluate_flags_writeback(env, flags, ccs);
321
325
}
322
326
323
327
uint32_t helper_evaluate_flags_alu_4(CPUCRISState *env, uint32_t ccs,
324
328
uint32_t src, uint32_t dst, uint32_t res)
325
329
{
326
-
uint32_t flags = 0;
330
+
uint32_t flags = 0;
327
331
328
-
src = src & 0x80000000;
329
-
dst = dst & 0x80000000;
332
+
src = src & 0x80000000;
333
+
dst = dst & 0x80000000;
330
334
331
-
if ((res & 0x80000000L) != 0L)
332
-
{
333
-
flags |= N_FLAG;
334
-
if (!src && !dst)
335
-
flags |= V_FLAG;
336
-
else if (src & dst)
337
-
flags |= C_FLAG;
338
-
}
339
-
else
340
-
{
341
-
if (res == 0L)
342
-
flags |= Z_FLAG;
343
-
if (src & dst)
344
-
flags |= V_FLAG;
345
-
if (dst | src)
346
-
flags |= C_FLAG;
347
-
}
335
+
if ((res & 0x80000000L) != 0L) {
336
+
flags |= N_FLAG;
337
+
if (!src && !dst) {
338
+
flags |= V_FLAG;
339
+
} else if (src & dst) {
340
+
flags |= C_FLAG;
341
+
}
342
+
} else {
343
+
if (res == 0L) {
344
+
flags |= Z_FLAG;
345
+
}
346
+
if (src & dst) {
347
+
flags |= V_FLAG;
348
+
}
349
+
if (dst | src) {
350
+
flags |= C_FLAG;
351
+
}
352
+
}
348
353
349
-
return evaluate_flags_writeback(env, flags, ccs);
354
+
return evaluate_flags_writeback(env, flags, ccs);
350
355
}
351
356
352
357
uint32_t helper_evaluate_flags_sub_4(CPUCRISState *env, uint32_t ccs,
353
358
uint32_t src, uint32_t dst, uint32_t res)
354
359
{
355
-
uint32_t flags = 0;
360
+
uint32_t flags = 0;
356
361
357
-
src = (~src) & 0x80000000;
358
-
dst = dst & 0x80000000;
362
+
src = (~src) & 0x80000000;
363
+
dst = dst & 0x80000000;
359
364
360
-
if ((res & 0x80000000L) != 0L)
361
-
{
362
-
flags |= N_FLAG;
363
-
if (!src && !dst)
364
-
flags |= V_FLAG;
365
-
else if (src & dst)
366
-
flags |= C_FLAG;
367
-
}
368
-
else
369
-
{
370
-
if (res == 0L)
371
-
flags |= Z_FLAG;
372
-
if (src & dst)
373
-
flags |= V_FLAG;
374
-
if (dst | src)
375
-
flags |= C_FLAG;
376
-
}
365
+
if ((res & 0x80000000L) != 0L) {
366
+
flags |= N_FLAG;
367
+
if (!src && !dst) {
368
+
flags |= V_FLAG;
369
+
} else if (src & dst) {
370
+
flags |= C_FLAG;
371
+
}
372
+
} else {
373
+
if (res == 0L) {
374
+
flags |= Z_FLAG;
375
+
}
376
+
if (src & dst) {
377
+
flags |= V_FLAG;
378
+
}
379
+
if (dst | src) {
380
+
flags |= C_FLAG;
381
+
}
382
+
}
377
383
378
-
flags ^= C_FLAG;
379
-
return evaluate_flags_writeback(env, flags, ccs);
384
+
flags ^= C_FLAG;
385
+
return evaluate_flags_writeback(env, flags, ccs);
380
386
}
381
387
382
388
uint32_t helper_evaluate_flags_move_4(CPUCRISState *env,
383
389
uint32_t ccs, uint32_t res)
384
390
{
385
-
uint32_t flags = 0;
391
+
uint32_t flags = 0;
386
392
387
-
if ((int32_t)res < 0)
388
-
flags |= N_FLAG;
389
-
else if (res == 0L)
390
-
flags |= Z_FLAG;
393
+
if ((int32_t)res < 0) {
394
+
flags |= N_FLAG;
395
+
} else if (res == 0L) {
396
+
flags |= Z_FLAG;
397
+
}
391
398
392
-
return evaluate_flags_writeback(env, flags, ccs);
399
+
return evaluate_flags_writeback(env, flags, ccs);
393
400
}
401
+
394
402
uint32_t helper_evaluate_flags_move_2(CPUCRISState *env,
395
403
uint32_t ccs, uint32_t res)
396
404
{
397
-
uint32_t flags = 0;
405
+
uint32_t flags = 0;
398
406
399
-
if ((int16_t)res < 0L)
400
-
flags |= N_FLAG;
401
-
else if (res == 0)
402
-
flags |= Z_FLAG;
407
+
if ((int16_t)res < 0L) {
408
+
flags |= N_FLAG;
409
+
} else if (res == 0) {
410
+
flags |= Z_FLAG;
411
+
}
403
412
404
-
return evaluate_flags_writeback(env, flags, ccs);
413
+
return evaluate_flags_writeback(env, flags, ccs);
405
414
}
406
415
407
-
/* TODO: This is expensive. We could split things up and only evaluate part of
408
-
CCR on a need to know basis. For now, we simply re-evaluate everything. */
416
+
/*
417
+
* TODO: This is expensive. We could split things up and only evaluate part of
418
+
* CCR on a need to know basis. For now, we simply re-evaluate everything.
419
+
*/
409
420
void helper_evaluate_flags(CPUCRISState *env)
410
421
{
411
-
uint32_t src, dst, res;
412
-
uint32_t flags = 0;
422
+
uint32_t src, dst, res;
423
+
uint32_t flags = 0;
413
424
414
-
src = env->cc_src;
415
-
dst = env->cc_dest;
416
-
res = env->cc_result;
425
+
src = env->cc_src;
426
+
dst = env->cc_dest;
427
+
res = env->cc_result;
417
428
418
-
if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP)
419
-
src = ~src;
429
+
if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP) {
430
+
src = ~src;
431
+
}
420
432
421
-
/* Now, evaluate the flags. This stuff is based on
422
-
Per Zander's CRISv10 simulator. */
423
-
switch (env->cc_size)
424
-
{
425
-
case 1:
426
-
if ((res & 0x80L) != 0L)
427
-
{
428
-
flags |= N_FLAG;
429
-
if (((src & 0x80L) == 0L)
430
-
&& ((dst & 0x80L) == 0L))
431
-
{
432
-
flags |= V_FLAG;
433
-
}
434
-
else if (((src & 0x80L) != 0L)
435
-
&& ((dst & 0x80L) != 0L))
436
-
{
437
-
flags |= C_FLAG;
438
-
}
439
-
}
440
-
else
441
-
{
442
-
if ((res & 0xFFL) == 0L)
443
-
{
444
-
flags |= Z_FLAG;
445
-
}
446
-
if (((src & 0x80L) != 0L)
447
-
&& ((dst & 0x80L) != 0L))
448
-
{
449
-
flags |= V_FLAG;
450
-
}
451
-
if ((dst & 0x80L) != 0L
452
-
|| (src & 0x80L) != 0L)
453
-
{
454
-
flags |= C_FLAG;
455
-
}
456
-
}
457
-
break;
458
-
case 2:
459
-
if ((res & 0x8000L) != 0L)
460
-
{
461
-
flags |= N_FLAG;
462
-
if (((src & 0x8000L) == 0L)
463
-
&& ((dst & 0x8000L) == 0L))
464
-
{
465
-
flags |= V_FLAG;
466
-
}
467
-
else if (((src & 0x8000L) != 0L)
468
-
&& ((dst & 0x8000L) != 0L))
469
-
{
470
-
flags |= C_FLAG;
471
-
}
472
-
}
473
-
else
474
-
{
475
-
if ((res & 0xFFFFL) == 0L)
476
-
{
477
-
flags |= Z_FLAG;
478
-
}
479
-
if (((src & 0x8000L) != 0L)
480
-
&& ((dst & 0x8000L) != 0L))
481
-
{
482
-
flags |= V_FLAG;
483
-
}
484
-
if ((dst & 0x8000L) != 0L
485
-
|| (src & 0x8000L) != 0L)
486
-
{
487
-
flags |= C_FLAG;
488
-
}
489
-
}
490
-
break;
491
-
case 4:
492
-
if ((res & 0x80000000L) != 0L)
493
-
{
494
-
flags |= N_FLAG;
495
-
if (((src & 0x80000000L) == 0L)
496
-
&& ((dst & 0x80000000L) == 0L))
497
-
{
498
-
flags |= V_FLAG;
499
-
}
500
-
else if (((src & 0x80000000L) != 0L) &&
501
-
((dst & 0x80000000L) != 0L))
502
-
{
503
-
flags |= C_FLAG;
504
-
}
505
-
}
506
-
else
507
-
{
508
-
if (res == 0L)
509
-
flags |= Z_FLAG;
510
-
if (((src & 0x80000000L) != 0L)
511
-
&& ((dst & 0x80000000L) != 0L))
512
-
flags |= V_FLAG;
513
-
if ((dst & 0x80000000L) != 0L
514
-
|| (src & 0x80000000L) != 0L)
515
-
flags |= C_FLAG;
516
-
}
517
-
break;
518
-
default:
519
-
break;
520
-
}
433
+
/*
434
+
* Now, evaluate the flags. This stuff is based on
435
+
* Per Zander's CRISv10 simulator.
436
+
*/
437
+
switch (env->cc_size) {
438
+
case 1:
439
+
if ((res & 0x80L) != 0L) {
440
+
flags |= N_FLAG;
441
+
if (((src & 0x80L) == 0L) && ((dst & 0x80L) == 0L)) {
442
+
flags |= V_FLAG;
443
+
} else if (((src & 0x80L) != 0L) && ((dst & 0x80L) != 0L)) {
444
+
flags |= C_FLAG;
445
+
}
446
+
} else {
447
+
if ((res & 0xFFL) == 0L) {
448
+
flags |= Z_FLAG;
449
+
}
450
+
if (((src & 0x80L) != 0L) && ((dst & 0x80L) != 0L)) {
451
+
flags |= V_FLAG;
452
+
}
453
+
if ((dst & 0x80L) != 0L || (src & 0x80L) != 0L) {
454
+
flags |= C_FLAG;
455
+
}
456
+
}
457
+
break;
458
+
case 2:
459
+
if ((res & 0x8000L) != 0L) {
460
+
flags |= N_FLAG;
461
+
if (((src & 0x8000L) == 0L) && ((dst & 0x8000L) == 0L)) {
462
+
flags |= V_FLAG;
463
+
} else if (((src & 0x8000L) != 0L) && ((dst & 0x8000L) != 0L)) {
464
+
flags |= C_FLAG;
465
+
}
466
+
} else {
467
+
if ((res & 0xFFFFL) == 0L) {
468
+
flags |= Z_FLAG;
469
+
}
470
+
if (((src & 0x8000L) != 0L) && ((dst & 0x8000L) != 0L)) {
471
+
flags |= V_FLAG;
472
+
}
473
+
if ((dst & 0x8000L) != 0L || (src & 0x8000L) != 0L) {
474
+
flags |= C_FLAG;
475
+
}
476
+
}
477
+
break;
478
+
case 4:
479
+
if ((res & 0x80000000L) != 0L) {
480
+
flags |= N_FLAG;
481
+
if (((src & 0x80000000L) == 0L) && ((dst & 0x80000000L) == 0L)) {
482
+
flags |= V_FLAG;
483
+
} else if (((src & 0x80000000L) != 0L) &&
484
+
((dst & 0x80000000L) != 0L)) {
485
+
flags |= C_FLAG;
486
+
}
487
+
} else {
488
+
if (res == 0L) {
489
+
flags |= Z_FLAG;
490
+
}
491
+
if (((src & 0x80000000L) != 0L) && ((dst & 0x80000000L) != 0L)) {
492
+
flags |= V_FLAG;
493
+
}
494
+
if ((dst & 0x80000000L) != 0L || (src & 0x80000000L) != 0L) {
495
+
flags |= C_FLAG;
496
+
}
497
+
}
498
+
break;
499
+
default:
500
+
break;
501
+
}
521
502
522
-
if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP)
523
-
flags ^= C_FLAG;
503
+
if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP) {
504
+
flags ^= C_FLAG;
505
+
}
524
506
525
-
env->pregs[PR_CCS] = evaluate_flags_writeback(env, flags,
526
-
env->pregs[PR_CCS]);
507
+
env->pregs[PR_CCS] = evaluate_flags_writeback(env, flags,
508
+
env->pregs[PR_CCS]);
527
509
}
528
510
529
511
void helper_top_evaluate_flags(CPUCRISState *env)
530
512
{
531
-
switch (env->cc_op)
532
-
{
533
-
case CC_OP_MCP:
534
-
env->pregs[PR_CCS] = helper_evaluate_flags_mcp(env,
535
-
env->pregs[PR_CCS], env->cc_src,
536
-
env->cc_dest, env->cc_result);
537
-
break;
538
-
case CC_OP_MULS:
539
-
env->pregs[PR_CCS] = helper_evaluate_flags_muls(env,
540
-
env->pregs[PR_CCS], env->cc_result,
541
-
env->pregs[PR_MOF]);
542
-
break;
543
-
case CC_OP_MULU:
544
-
env->pregs[PR_CCS] = helper_evaluate_flags_mulu(env,
545
-
env->pregs[PR_CCS], env->cc_result,
546
-
env->pregs[PR_MOF]);
547
-
break;
548
-
case CC_OP_MOVE:
549
-
case CC_OP_AND:
550
-
case CC_OP_OR:
551
-
case CC_OP_XOR:
552
-
case CC_OP_ASR:
553
-
case CC_OP_LSR:
554
-
case CC_OP_LSL:
555
-
switch (env->cc_size)
556
-
{
557
-
case 4:
558
-
env->pregs[PR_CCS] =
559
-
helper_evaluate_flags_move_4(env,
560
-
env->pregs[PR_CCS],
561
-
env->cc_result);
562
-
break;
563
-
case 2:
564
-
env->pregs[PR_CCS] =
565
-
helper_evaluate_flags_move_2(env,
566
-
env->pregs[PR_CCS],
567
-
env->cc_result);
568
-
break;
569
-
default:
570
-
helper_evaluate_flags(env);
571
-
break;
572
-
}
573
-
break;
574
-
case CC_OP_FLAGS:
575
-
/* live. */
576
-
break;
577
-
case CC_OP_SUB:
578
-
case CC_OP_CMP:
579
-
if (env->cc_size == 4)
580
-
env->pregs[PR_CCS] =
581
-
helper_evaluate_flags_sub_4(env,
582
-
env->pregs[PR_CCS],
583
-
env->cc_src, env->cc_dest,
584
-
env->cc_result);
585
-
else
586
-
helper_evaluate_flags(env);
587
-
break;
588
-
default:
589
-
{
590
-
switch (env->cc_size)
591
-
{
592
-
case 4:
593
-
env->pregs[PR_CCS] =
594
-
helper_evaluate_flags_alu_4(env,
595
-
env->pregs[PR_CCS],
596
-
env->cc_src, env->cc_dest,
597
-
env->cc_result);
598
-
break;
599
-
default:
600
-
helper_evaluate_flags(env);
601
-
break;
602
-
}
603
-
}
604
-
break;
605
-
}
513
+
switch (env->cc_op) {
514
+
case CC_OP_MCP:
515
+
env->pregs[PR_CCS]
516
+
= helper_evaluate_flags_mcp(env, env->pregs[PR_CCS],
517
+
env->cc_src, env->cc_dest,
518
+
env->cc_result);
519
+
break;
520
+
case CC_OP_MULS:
521
+
env->pregs[PR_CCS]
522
+
= helper_evaluate_flags_muls(env, env->pregs[PR_CCS],
523
+
env->cc_result, env->pregs[PR_MOF]);
524
+
break;
525
+
case CC_OP_MULU:
526
+
env->pregs[PR_CCS]
527
+
= helper_evaluate_flags_mulu(env, env->pregs[PR_CCS],
528
+
env->cc_result, env->pregs[PR_MOF]);
529
+
break;
530
+
case CC_OP_MOVE:
531
+
case CC_OP_AND:
532
+
case CC_OP_OR:
533
+
case CC_OP_XOR:
534
+
case CC_OP_ASR:
535
+
case CC_OP_LSR:
536
+
case CC_OP_LSL:
537
+
switch (env->cc_size) {
538
+
case 4:
539
+
env->pregs[PR_CCS] =
540
+
helper_evaluate_flags_move_4(env,
541
+
env->pregs[PR_CCS],
542
+
env->cc_result);
543
+
break;
544
+
case 2:
545
+
env->pregs[PR_CCS] =
546
+
helper_evaluate_flags_move_2(env,
547
+
env->pregs[PR_CCS],
548
+
env->cc_result);
549
+
break;
550
+
default:
551
+
helper_evaluate_flags(env);
552
+
break;
553
+
}
554
+
break;
555
+
case CC_OP_FLAGS:
556
+
/* live. */
557
+
break;
558
+
case CC_OP_SUB:
559
+
case CC_OP_CMP:
560
+
if (env->cc_size == 4) {
561
+
env->pregs[PR_CCS] =
562
+
helper_evaluate_flags_sub_4(env,
563
+
env->pregs[PR_CCS],
564
+
env->cc_src, env->cc_dest,
565
+
env->cc_result);
566
+
} else {
567
+
helper_evaluate_flags(env);
568
+
}
569
+
break;
570
+
default:
571
+
switch (env->cc_size) {
572
+
case 4:
573
+
env->pregs[PR_CCS] =
574
+
helper_evaluate_flags_alu_4(env,
575
+
env->pregs[PR_CCS],
576
+
env->cc_src, env->cc_dest,
577
+
env->cc_result);
578
+
break;
579
+
default:
580
+
helper_evaluate_flags(env);
581
+
break;
582
+
}
583
+
break;
584
+
}
606
585
}