2
#include "host-utils.h"
8
//#define DEBUG_UNALIGNED
9
//#define DEBUG_UNASSIGNED
12
//#define DEBUG_PSTATE
13
//#define DEBUG_CACHE_CONTROL
16
#define DPRINTF_MMU(fmt, ...) \
17
do { printf("MMU: " fmt , ## __VA_ARGS__); } while (0)
19
#define DPRINTF_MMU(fmt, ...) do {} while (0)
23
#define DPRINTF_MXCC(fmt, ...) \
24
do { printf("MXCC: " fmt , ## __VA_ARGS__); } while (0)
26
#define DPRINTF_MXCC(fmt, ...) do {} while (0)
30
#define DPRINTF_ASI(fmt, ...) \
31
do { printf("ASI: " fmt , ## __VA_ARGS__); } while (0)
35
#define DPRINTF_PSTATE(fmt, ...) \
36
do { printf("PSTATE: " fmt , ## __VA_ARGS__); } while (0)
38
#define DPRINTF_PSTATE(fmt, ...) do {} while (0)
41
#ifdef DEBUG_CACHE_CONTROL
42
#define DPRINTF_CACHE_CONTROL(fmt, ...) \
43
do { printf("CACHE_CONTROL: " fmt , ## __VA_ARGS__); } while (0)
45
#define DPRINTF_CACHE_CONTROL(fmt, ...) do {} while (0)
50
#define AM_CHECK(env1) ((env1)->pstate & PS_AM)
52
#define AM_CHECK(env1) (1)
56
#define DT0 (env->dt0)
57
#define DT1 (env->dt1)
58
#define QT0 (env->qt0)
59
#define QT1 (env->qt1)
61
/* Leon3 cache control */
63
/* Cache control: emulate the behavior of cache control registers but without
64
any effect on the emulated */
66
#define CACHE_STATE_MASK 0x3
67
#define CACHE_DISABLED 0x0
68
#define CACHE_FROZEN 0x1
69
#define CACHE_ENABLED 0x3
71
/* Cache Control register fields */
73
#define CACHE_CTRL_IF (1 << 4) /* Instruction Cache Freeze on Interrupt */
74
#define CACHE_CTRL_DF (1 << 5) /* Data Cache Freeze on Interrupt */
75
#define CACHE_CTRL_DP (1 << 14) /* Data cache flush pending */
76
#define CACHE_CTRL_IP (1 << 15) /* Instruction cache flush pending */
77
#define CACHE_CTRL_IB (1 << 16) /* Instruction burst fetch */
78
#define CACHE_CTRL_FI (1 << 21) /* Flush Instruction cache (Write only) */
79
#define CACHE_CTRL_FD (1 << 22) /* Flush Data cache (Write only) */
80
#define CACHE_CTRL_DS (1 << 23) /* Data cache snoop enable */
82
#if !defined(CONFIG_USER_ONLY)
83
static void do_unassigned_access(target_phys_addr_t addr, int is_write,
84
int is_exec, int is_asi, int size);
87
static void do_unassigned_access(target_ulong addr, int is_write, int is_exec,
88
int is_asi, int size);
92
#if defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
93
// Calculates TSB pointer value for fault page size 8k or 64k
94
static uint64_t ultrasparc_tsb_pointer(uint64_t tsb_register,
95
uint64_t tag_access_register,
98
uint64_t tsb_base = tsb_register & ~0x1fffULL;
99
int tsb_split = (tsb_register & 0x1000ULL) ? 1 : 0;
100
int tsb_size = tsb_register & 0xf;
102
// discard lower 13 bits which hold tag access context
103
uint64_t tag_access_va = tag_access_register & ~0x1fffULL;
106
uint64_t tsb_base_mask = ~0x1fffULL;
107
uint64_t va = tag_access_va;
109
// move va bits to correct position
110
if (page_size == 8*1024) {
112
} else if (page_size == 64*1024) {
117
tsb_base_mask <<= tsb_size;
120
// calculate tsb_base mask and adjust va if split is in use
122
if (page_size == 8*1024) {
123
va &= ~(1ULL << (13 + tsb_size));
124
} else if (page_size == 64*1024) {
125
va |= (1ULL << (13 + tsb_size));
130
return ((tsb_base & tsb_base_mask) | (va & ~tsb_base_mask)) & ~0xfULL;
133
// Calculates tag target register value by reordering bits
134
// in tag access register
135
static uint64_t ultrasparc_tag_target(uint64_t tag_access_register)
137
return ((tag_access_register & 0x1fff) << 48) | (tag_access_register >> 22);
140
static void replace_tlb_entry(SparcTLBEntry *tlb,
141
uint64_t tlb_tag, uint64_t tlb_tte,
144
target_ulong mask, size, va, offset;
146
// flush page range if translation is valid
147
if (TTE_IS_VALID(tlb->tte)) {
149
mask = 0xffffffffffffe000ULL;
150
mask <<= 3 * ((tlb->tte >> 61) & 3);
153
va = tlb->tag & mask;
155
for (offset = 0; offset < size; offset += TARGET_PAGE_SIZE) {
156
tlb_flush_page(env1, va + offset);
164
static void demap_tlb(SparcTLBEntry *tlb, target_ulong demap_addr,
165
const char* strmmu, CPUState *env1)
171
int is_demap_context = (demap_addr >> 6) & 1;
174
switch ((demap_addr >> 4) & 3) {
176
context = env1->dmmu.mmu_primary_context;
179
context = env1->dmmu.mmu_secondary_context;
189
for (i = 0; i < 64; i++) {
190
if (TTE_IS_VALID(tlb[i].tte)) {
192
if (is_demap_context) {
193
// will remove non-global entries matching context value
194
if (TTE_IS_GLOBAL(tlb[i].tte) ||
195
!tlb_compare_context(&tlb[i], context)) {
200
// will remove any entry matching VA
201
mask = 0xffffffffffffe000ULL;
202
mask <<= 3 * ((tlb[i].tte >> 61) & 3);
204
if (!compare_masked(demap_addr, tlb[i].tag, mask)) {
208
// entry should be global or matching context value
209
if (!TTE_IS_GLOBAL(tlb[i].tte) &&
210
!tlb_compare_context(&tlb[i], context)) {
215
replace_tlb_entry(&tlb[i], 0, 0, env1);
217
DPRINTF_MMU("%s demap invalidated entry [%02u]\n", strmmu, i);
218
dump_mmu(stdout, fprintf, env1);
224
static void replace_tlb_1bit_lru(SparcTLBEntry *tlb,
225
uint64_t tlb_tag, uint64_t tlb_tte,
226
const char* strmmu, CPUState *env1)
228
unsigned int i, replace_used;
230
// Try replacing invalid entry
231
for (i = 0; i < 64; i++) {
232
if (!TTE_IS_VALID(tlb[i].tte)) {
233
replace_tlb_entry(&tlb[i], tlb_tag, tlb_tte, env1);
235
DPRINTF_MMU("%s lru replaced invalid entry [%i]\n", strmmu, i);
236
dump_mmu(stdout, fprintf, env1);
242
// All entries are valid, try replacing unlocked entry
244
for (replace_used = 0; replace_used < 2; ++replace_used) {
246
// Used entries are not replaced on first pass
248
for (i = 0; i < 64; i++) {
249
if (!TTE_IS_LOCKED(tlb[i].tte) && !TTE_IS_USED(tlb[i].tte)) {
251
replace_tlb_entry(&tlb[i], tlb_tag, tlb_tte, env1);
253
DPRINTF_MMU("%s lru replaced unlocked %s entry [%i]\n",
254
strmmu, (replace_used?"used":"unused"), i);
255
dump_mmu(stdout, fprintf, env1);
261
// Now reset used bit and search for unused entries again
263
for (i = 0; i < 64; i++) {
264
TTE_SET_UNUSED(tlb[i].tte);
269
DPRINTF_MMU("%s lru replacement failed: no entries available\n", strmmu);
276
static inline target_ulong address_mask(CPUState *env1, target_ulong addr)
278
#ifdef TARGET_SPARC64
280
addr &= 0xffffffffULL;
285
/* returns true if access using this ASI is to have address translated by MMU
286
otherwise access is to raw physical address */
287
static inline int is_translating_asi(int asi)
289
#ifdef TARGET_SPARC64
290
/* Ultrasparc IIi translating asi
291
- note this list is defined by cpu implementation
307
/* TODO: check sparc32 bits */
312
static inline target_ulong asi_address_mask(CPUState *env1,
313
int asi, target_ulong addr)
315
if (is_translating_asi(asi)) {
316
return address_mask(env, addr);
322
static void raise_exception(int tt)
324
env->exception_index = tt;
328
void HELPER(raise_exception)(int tt)
333
void helper_shutdown(void)
335
#if !defined(CONFIG_USER_ONLY)
336
qemu_system_shutdown_request();
340
void helper_check_align(target_ulong addr, uint32_t align)
343
#ifdef DEBUG_UNALIGNED
344
printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
345
"\n", addr, env->pc);
347
raise_exception(TT_UNALIGNED);
351
#define F_HELPER(name, p) void helper_f##name##p(void)
353
#define F_BINOP(name) \
354
float32 helper_f ## name ## s (float32 src1, float32 src2) \
356
return float32_ ## name (src1, src2, &env->fp_status); \
360
DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \
364
QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \
373
void helper_fsmuld(float32 src1, float32 src2)
375
DT0 = float64_mul(float32_to_float64(src1, &env->fp_status),
376
float32_to_float64(src2, &env->fp_status),
380
void helper_fdmulq(void)
382
QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status),
383
float64_to_float128(DT1, &env->fp_status),
387
float32 helper_fnegs(float32 src)
389
return float32_chs(src);
392
#ifdef TARGET_SPARC64
395
DT0 = float64_chs(DT1);
400
QT0 = float128_chs(QT1);
404
/* Integer to float conversion. */
405
float32 helper_fitos(int32_t src)
407
return int32_to_float32(src, &env->fp_status);
410
void helper_fitod(int32_t src)
412
DT0 = int32_to_float64(src, &env->fp_status);
415
void helper_fitoq(int32_t src)
417
QT0 = int32_to_float128(src, &env->fp_status);
420
#ifdef TARGET_SPARC64
421
float32 helper_fxtos(void)
423
return int64_to_float32(*((int64_t *)&DT1), &env->fp_status);
428
DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status);
433
QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status);
438
/* floating point conversion */
439
float32 helper_fdtos(void)
441
return float64_to_float32(DT1, &env->fp_status);
444
void helper_fstod(float32 src)
446
DT0 = float32_to_float64(src, &env->fp_status);
449
float32 helper_fqtos(void)
451
return float128_to_float32(QT1, &env->fp_status);
454
void helper_fstoq(float32 src)
456
QT0 = float32_to_float128(src, &env->fp_status);
459
void helper_fqtod(void)
461
DT0 = float128_to_float64(QT1, &env->fp_status);
464
void helper_fdtoq(void)
466
QT0 = float64_to_float128(DT1, &env->fp_status);
469
/* Float to integer conversion. */
470
int32_t helper_fstoi(float32 src)
472
return float32_to_int32_round_to_zero(src, &env->fp_status);
475
int32_t helper_fdtoi(void)
477
return float64_to_int32_round_to_zero(DT1, &env->fp_status);
480
int32_t helper_fqtoi(void)
482
return float128_to_int32_round_to_zero(QT1, &env->fp_status);
485
#ifdef TARGET_SPARC64
486
void helper_fstox(float32 src)
488
*((int64_t *)&DT0) = float32_to_int64_round_to_zero(src, &env->fp_status);
491
void helper_fdtox(void)
493
*((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status);
496
void helper_fqtox(void)
498
*((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status);
501
void helper_faligndata(void)
505
tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8);
506
/* on many architectures a shift of 64 does nothing */
507
if ((env->gsr & 7) != 0) {
508
tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8);
510
*((uint64_t *)&DT0) = tmp;
513
#ifdef HOST_WORDS_BIGENDIAN
514
#define VIS_B64(n) b[7 - (n)]
515
#define VIS_W64(n) w[3 - (n)]
516
#define VIS_SW64(n) sw[3 - (n)]
517
#define VIS_L64(n) l[1 - (n)]
518
#define VIS_B32(n) b[3 - (n)]
519
#define VIS_W32(n) w[1 - (n)]
521
#define VIS_B64(n) b[n]
522
#define VIS_W64(n) w[n]
523
#define VIS_SW64(n) sw[n]
524
#define VIS_L64(n) l[n]
525
#define VIS_B32(n) b[n]
526
#define VIS_W32(n) w[n]
545
void helper_fpmerge(void)
552
// Reverse calculation order to handle overlap
553
d.VIS_B64(7) = s.VIS_B64(3);
554
d.VIS_B64(6) = d.VIS_B64(3);
555
d.VIS_B64(5) = s.VIS_B64(2);
556
d.VIS_B64(4) = d.VIS_B64(2);
557
d.VIS_B64(3) = s.VIS_B64(1);
558
d.VIS_B64(2) = d.VIS_B64(1);
559
d.VIS_B64(1) = s.VIS_B64(0);
560
//d.VIS_B64(0) = d.VIS_B64(0);
565
void helper_fmul8x16(void)
574
tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \
575
if ((tmp & 0xff) > 0x7f) \
577
d.VIS_W64(r) = tmp >> 8;
588
void helper_fmul8x16al(void)
597
tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \
598
if ((tmp & 0xff) > 0x7f) \
600
d.VIS_W64(r) = tmp >> 8;
611
void helper_fmul8x16au(void)
620
tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
621
if ((tmp & 0xff) > 0x7f) \
623
d.VIS_W64(r) = tmp >> 8;
634
void helper_fmul8sux16(void)
643
tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
644
if ((tmp & 0xff) > 0x7f) \
646
d.VIS_W64(r) = tmp >> 8;
657
void helper_fmul8ulx16(void)
666
tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
667
if ((tmp & 0xff) > 0x7f) \
669
d.VIS_W64(r) = tmp >> 8;
680
void helper_fmuld8sux16(void)
689
tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
690
if ((tmp & 0xff) > 0x7f) \
694
// Reverse calculation order to handle overlap
702
void helper_fmuld8ulx16(void)
711
tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
712
if ((tmp & 0xff) > 0x7f) \
716
// Reverse calculation order to handle overlap
724
void helper_fexpand(void)
729
s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
731
d.VIS_W64(0) = s.VIS_B32(0) << 4;
732
d.VIS_W64(1) = s.VIS_B32(1) << 4;
733
d.VIS_W64(2) = s.VIS_B32(2) << 4;
734
d.VIS_W64(3) = s.VIS_B32(3) << 4;
739
#define VIS_HELPER(name, F) \
740
void name##16(void) \
747
d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \
748
d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \
749
d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \
750
d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \
755
uint32_t name##16s(uint32_t src1, uint32_t src2) \
762
d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \
763
d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \
768
void name##32(void) \
775
d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \
776
d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \
781
uint32_t name##32s(uint32_t src1, uint32_t src2) \
793
#define FADD(a, b) ((a) + (b))
794
#define FSUB(a, b) ((a) - (b))
795
VIS_HELPER(helper_fpadd, FADD)
796
VIS_HELPER(helper_fpsub, FSUB)
798
#define VIS_CMPHELPER(name, F) \
799
uint64_t name##16(void) \
806
d.VIS_W64(0) = F(s.VIS_W64(0), d.VIS_W64(0)) ? 1 : 0; \
807
d.VIS_W64(0) |= F(s.VIS_W64(1), d.VIS_W64(1)) ? 2 : 0; \
808
d.VIS_W64(0) |= F(s.VIS_W64(2), d.VIS_W64(2)) ? 4 : 0; \
809
d.VIS_W64(0) |= F(s.VIS_W64(3), d.VIS_W64(3)) ? 8 : 0; \
810
d.VIS_W64(1) = d.VIS_W64(2) = d.VIS_W64(3) = 0; \
815
uint64_t name##32(void) \
822
d.VIS_L64(0) = F(s.VIS_L64(0), d.VIS_L64(0)) ? 1 : 0; \
823
d.VIS_L64(0) |= F(s.VIS_L64(1), d.VIS_L64(1)) ? 2 : 0; \
829
#define FCMPGT(a, b) ((a) > (b))
830
#define FCMPEQ(a, b) ((a) == (b))
831
#define FCMPLE(a, b) ((a) <= (b))
832
#define FCMPNE(a, b) ((a) != (b))
834
VIS_CMPHELPER(helper_fcmpgt, FCMPGT)
835
VIS_CMPHELPER(helper_fcmpeq, FCMPEQ)
836
VIS_CMPHELPER(helper_fcmple, FCMPLE)
837
VIS_CMPHELPER(helper_fcmpne, FCMPNE)
840
void helper_check_ieee_exceptions(void)
844
status = get_float_exception_flags(&env->fp_status);
846
/* Copy IEEE 754 flags into FSR */
847
if (status & float_flag_invalid)
849
if (status & float_flag_overflow)
851
if (status & float_flag_underflow)
853
if (status & float_flag_divbyzero)
855
if (status & float_flag_inexact)
858
if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) {
859
/* Unmasked exception, generate a trap */
860
env->fsr |= FSR_FTT_IEEE_EXCP;
861
raise_exception(TT_FP_EXCP);
863
/* Accumulate exceptions */
864
env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5;
869
void helper_clear_float_exceptions(void)
871
set_float_exception_flags(0, &env->fp_status);
874
float32 helper_fabss(float32 src)
876
return float32_abs(src);
879
#ifdef TARGET_SPARC64
880
void helper_fabsd(void)
882
DT0 = float64_abs(DT1);
885
void helper_fabsq(void)
887
QT0 = float128_abs(QT1);
891
float32 helper_fsqrts(float32 src)
893
return float32_sqrt(src, &env->fp_status);
896
void helper_fsqrtd(void)
898
DT0 = float64_sqrt(DT1, &env->fp_status);
901
void helper_fsqrtq(void)
903
QT0 = float128_sqrt(QT1, &env->fp_status);
906
#define GEN_FCMP(name, size, reg1, reg2, FS, E) \
907
void glue(helper_, name) (void) \
909
env->fsr &= FSR_FTT_NMASK; \
910
if (E && (glue(size, _is_any_nan)(reg1) || \
911
glue(size, _is_any_nan)(reg2)) && \
912
(env->fsr & FSR_NVM)) { \
913
env->fsr |= FSR_NVC; \
914
env->fsr |= FSR_FTT_IEEE_EXCP; \
915
raise_exception(TT_FP_EXCP); \
917
switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
918
case float_relation_unordered: \
919
if ((env->fsr & FSR_NVM)) { \
920
env->fsr |= FSR_NVC; \
921
env->fsr |= FSR_FTT_IEEE_EXCP; \
922
raise_exception(TT_FP_EXCP); \
924
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
925
env->fsr |= (FSR_FCC1 | FSR_FCC0) << FS; \
926
env->fsr |= FSR_NVA; \
929
case float_relation_less: \
930
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
931
env->fsr |= FSR_FCC0 << FS; \
933
case float_relation_greater: \
934
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
935
env->fsr |= FSR_FCC1 << FS; \
938
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
942
#define GEN_FCMPS(name, size, FS, E) \
943
void glue(helper_, name)(float32 src1, float32 src2) \
945
env->fsr &= FSR_FTT_NMASK; \
946
if (E && (glue(size, _is_any_nan)(src1) || \
947
glue(size, _is_any_nan)(src2)) && \
948
(env->fsr & FSR_NVM)) { \
949
env->fsr |= FSR_NVC; \
950
env->fsr |= FSR_FTT_IEEE_EXCP; \
951
raise_exception(TT_FP_EXCP); \
953
switch (glue(size, _compare) (src1, src2, &env->fp_status)) { \
954
case float_relation_unordered: \
955
if ((env->fsr & FSR_NVM)) { \
956
env->fsr |= FSR_NVC; \
957
env->fsr |= FSR_FTT_IEEE_EXCP; \
958
raise_exception(TT_FP_EXCP); \
960
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
961
env->fsr |= (FSR_FCC1 | FSR_FCC0) << FS; \
962
env->fsr |= FSR_NVA; \
965
case float_relation_less: \
966
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
967
env->fsr |= FSR_FCC0 << FS; \
969
case float_relation_greater: \
970
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
971
env->fsr |= FSR_FCC1 << FS; \
974
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
979
GEN_FCMPS(fcmps, float32, 0, 0);
980
GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0);
982
GEN_FCMPS(fcmpes, float32, 0, 1);
983
GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1);
985
GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0);
986
GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1);
988
static uint32_t compute_all_flags(void)
990
return env->psr & PSR_ICC;
993
static uint32_t compute_C_flags(void)
995
return env->psr & PSR_CARRY;
998
static inline uint32_t get_NZ_icc(int32_t dst)
1004
} else if (dst < 0) {
1010
#ifdef TARGET_SPARC64
1011
static uint32_t compute_all_flags_xcc(void)
1013
return env->xcc & PSR_ICC;
1016
static uint32_t compute_C_flags_xcc(void)
1018
return env->xcc & PSR_CARRY;
1021
static inline uint32_t get_NZ_xcc(target_long dst)
1027
} else if (dst < 0) {
1034
static inline uint32_t get_V_div_icc(target_ulong src2)
1044
static uint32_t compute_all_div(void)
1048
ret = get_NZ_icc(CC_DST);
1049
ret |= get_V_div_icc(CC_SRC2);
1053
static uint32_t compute_C_div(void)
1058
static inline uint32_t get_C_add_icc(uint32_t dst, uint32_t src1)
1068
static inline uint32_t get_C_addx_icc(uint32_t dst, uint32_t src1,
1073
if (((src1 & src2) | (~dst & (src1 | src2))) & (1U << 31)) {
1079
static inline uint32_t get_V_add_icc(uint32_t dst, uint32_t src1,
1084
if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1U << 31)) {
1090
#ifdef TARGET_SPARC64
1091
static inline uint32_t get_C_add_xcc(target_ulong dst, target_ulong src1)
1101
static inline uint32_t get_C_addx_xcc(target_ulong dst, target_ulong src1,
1106
if (((src1 & src2) | (~dst & (src1 | src2))) & (1ULL << 63)) {
1112
static inline uint32_t get_V_add_xcc(target_ulong dst, target_ulong src1,
1117
if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 63)) {
1123
static uint32_t compute_all_add_xcc(void)
1127
ret = get_NZ_xcc(CC_DST);
1128
ret |= get_C_add_xcc(CC_DST, CC_SRC);
1129
ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2);
1133
static uint32_t compute_C_add_xcc(void)
1135
return get_C_add_xcc(CC_DST, CC_SRC);
1139
static uint32_t compute_all_add(void)
1143
ret = get_NZ_icc(CC_DST);
1144
ret |= get_C_add_icc(CC_DST, CC_SRC);
1145
ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2);
1149
static uint32_t compute_C_add(void)
1151
return get_C_add_icc(CC_DST, CC_SRC);
1154
#ifdef TARGET_SPARC64
1155
static uint32_t compute_all_addx_xcc(void)
1159
ret = get_NZ_xcc(CC_DST);
1160
ret |= get_C_addx_xcc(CC_DST, CC_SRC, CC_SRC2);
1161
ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2);
1165
static uint32_t compute_C_addx_xcc(void)
1169
ret = get_C_addx_xcc(CC_DST, CC_SRC, CC_SRC2);
1174
static uint32_t compute_all_addx(void)
1178
ret = get_NZ_icc(CC_DST);
1179
ret |= get_C_addx_icc(CC_DST, CC_SRC, CC_SRC2);
1180
ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2);
1184
static uint32_t compute_C_addx(void)
1188
ret = get_C_addx_icc(CC_DST, CC_SRC, CC_SRC2);
1192
static inline uint32_t get_V_tag_icc(target_ulong src1, target_ulong src2)
1196
if ((src1 | src2) & 0x3) {
1202
static uint32_t compute_all_tadd(void)
1206
ret = get_NZ_icc(CC_DST);
1207
ret |= get_C_add_icc(CC_DST, CC_SRC);
1208
ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2);
1209
ret |= get_V_tag_icc(CC_SRC, CC_SRC2);
1213
static uint32_t compute_all_taddtv(void)
1217
ret = get_NZ_icc(CC_DST);
1218
ret |= get_C_add_icc(CC_DST, CC_SRC);
1222
static inline uint32_t get_C_sub_icc(uint32_t src1, uint32_t src2)
1232
static inline uint32_t get_C_subx_icc(uint32_t dst, uint32_t src1,
1237
if (((~src1 & src2) | (dst & (~src1 | src2))) & (1U << 31)) {
1243
static inline uint32_t get_V_sub_icc(uint32_t dst, uint32_t src1,
1248
if (((src1 ^ src2) & (src1 ^ dst)) & (1U << 31)) {
1255
#ifdef TARGET_SPARC64
1256
static inline uint32_t get_C_sub_xcc(target_ulong src1, target_ulong src2)
1266
static inline uint32_t get_C_subx_xcc(target_ulong dst, target_ulong src1,
1271
if (((~src1 & src2) | (dst & (~src1 | src2))) & (1ULL << 63)) {
1277
static inline uint32_t get_V_sub_xcc(target_ulong dst, target_ulong src1,
1282
if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 63)) {
1288
static uint32_t compute_all_sub_xcc(void)
1292
ret = get_NZ_xcc(CC_DST);
1293
ret |= get_C_sub_xcc(CC_SRC, CC_SRC2);
1294
ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2);
1298
static uint32_t compute_C_sub_xcc(void)
1300
return get_C_sub_xcc(CC_SRC, CC_SRC2);
1304
static uint32_t compute_all_sub(void)
1308
ret = get_NZ_icc(CC_DST);
1309
ret |= get_C_sub_icc(CC_SRC, CC_SRC2);
1310
ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
1314
static uint32_t compute_C_sub(void)
1316
return get_C_sub_icc(CC_SRC, CC_SRC2);
1319
#ifdef TARGET_SPARC64
1320
static uint32_t compute_all_subx_xcc(void)
1324
ret = get_NZ_xcc(CC_DST);
1325
ret |= get_C_subx_xcc(CC_DST, CC_SRC, CC_SRC2);
1326
ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2);
1330
static uint32_t compute_C_subx_xcc(void)
1334
ret = get_C_subx_xcc(CC_DST, CC_SRC, CC_SRC2);
1339
static uint32_t compute_all_subx(void)
1343
ret = get_NZ_icc(CC_DST);
1344
ret |= get_C_subx_icc(CC_DST, CC_SRC, CC_SRC2);
1345
ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
1349
static uint32_t compute_C_subx(void)
1353
ret = get_C_subx_icc(CC_DST, CC_SRC, CC_SRC2);
1357
static uint32_t compute_all_tsub(void)
1361
ret = get_NZ_icc(CC_DST);
1362
ret |= get_C_sub_icc(CC_SRC, CC_SRC2);
1363
ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
1364
ret |= get_V_tag_icc(CC_SRC, CC_SRC2);
1368
static uint32_t compute_all_tsubtv(void)
1372
ret = get_NZ_icc(CC_DST);
1373
ret |= get_C_sub_icc(CC_SRC, CC_SRC2);
1377
static uint32_t compute_all_logic(void)
1379
return get_NZ_icc(CC_DST);
1382
static uint32_t compute_C_logic(void)
1387
#ifdef TARGET_SPARC64
1388
static uint32_t compute_all_logic_xcc(void)
1390
return get_NZ_xcc(CC_DST);
1394
typedef struct CCTable {
1395
uint32_t (*compute_all)(void); /* return all the flags */
1396
uint32_t (*compute_c)(void); /* return the C flag */
1399
static const CCTable icc_table[CC_OP_NB] = {
1400
/* CC_OP_DYNAMIC should never happen */
1401
[CC_OP_FLAGS] = { compute_all_flags, compute_C_flags },
1402
[CC_OP_DIV] = { compute_all_div, compute_C_div },
1403
[CC_OP_ADD] = { compute_all_add, compute_C_add },
1404
[CC_OP_ADDX] = { compute_all_addx, compute_C_addx },
1405
[CC_OP_TADD] = { compute_all_tadd, compute_C_add },
1406
[CC_OP_TADDTV] = { compute_all_taddtv, compute_C_add },
1407
[CC_OP_SUB] = { compute_all_sub, compute_C_sub },
1408
[CC_OP_SUBX] = { compute_all_subx, compute_C_subx },
1409
[CC_OP_TSUB] = { compute_all_tsub, compute_C_sub },
1410
[CC_OP_TSUBTV] = { compute_all_tsubtv, compute_C_sub },
1411
[CC_OP_LOGIC] = { compute_all_logic, compute_C_logic },
1414
#ifdef TARGET_SPARC64
1415
static const CCTable xcc_table[CC_OP_NB] = {
1416
/* CC_OP_DYNAMIC should never happen */
1417
[CC_OP_FLAGS] = { compute_all_flags_xcc, compute_C_flags_xcc },
1418
[CC_OP_DIV] = { compute_all_logic_xcc, compute_C_logic },
1419
[CC_OP_ADD] = { compute_all_add_xcc, compute_C_add_xcc },
1420
[CC_OP_ADDX] = { compute_all_addx_xcc, compute_C_addx_xcc },
1421
[CC_OP_TADD] = { compute_all_add_xcc, compute_C_add_xcc },
1422
[CC_OP_TADDTV] = { compute_all_add_xcc, compute_C_add_xcc },
1423
[CC_OP_SUB] = { compute_all_sub_xcc, compute_C_sub_xcc },
1424
[CC_OP_SUBX] = { compute_all_subx_xcc, compute_C_subx_xcc },
1425
[CC_OP_TSUB] = { compute_all_sub_xcc, compute_C_sub_xcc },
1426
[CC_OP_TSUBTV] = { compute_all_sub_xcc, compute_C_sub_xcc },
1427
[CC_OP_LOGIC] = { compute_all_logic_xcc, compute_C_logic },
1431
void helper_compute_psr(void)
1435
new_psr = icc_table[CC_OP].compute_all();
1437
#ifdef TARGET_SPARC64
1438
new_psr = xcc_table[CC_OP].compute_all();
1441
CC_OP = CC_OP_FLAGS;
1444
uint32_t helper_compute_C_icc(void)
1448
ret = icc_table[CC_OP].compute_c() >> PSR_CARRY_SHIFT;
1452
static inline void memcpy32(target_ulong *dst, const target_ulong *src)
1464
static void set_cwp(int new_cwp)
1466
/* put the modified wrap registers at their proper location */
1467
if (env->cwp == env->nwindows - 1) {
1468
memcpy32(env->regbase, env->regbase + env->nwindows * 16);
1472
/* put the wrap registers at their temporary location */
1473
if (new_cwp == env->nwindows - 1) {
1474
memcpy32(env->regbase + env->nwindows * 16, env->regbase);
1476
env->regwptr = env->regbase + (new_cwp * 16);
1479
void cpu_set_cwp(CPUState *env1, int new_cwp)
1481
CPUState *saved_env;
1489
static target_ulong get_psr(void)
1491
helper_compute_psr();
1493
#if !defined (TARGET_SPARC64)
1494
return env->version | (env->psr & PSR_ICC) |
1495
(env->psref? PSR_EF : 0) |
1496
(env->psrpil << 8) |
1497
(env->psrs? PSR_S : 0) |
1498
(env->psrps? PSR_PS : 0) |
1499
(env->psret? PSR_ET : 0) | env->cwp;
1501
return env->psr & PSR_ICC;
1505
target_ulong cpu_get_psr(CPUState *env1)
1507
CPUState *saved_env;
1517
static void put_psr(target_ulong val)
1519
env->psr = val & PSR_ICC;
1520
#if !defined (TARGET_SPARC64)
1521
env->psref = (val & PSR_EF)? 1 : 0;
1522
env->psrpil = (val & PSR_PIL) >> 8;
1524
#if ((!defined (TARGET_SPARC64)) && !defined(CONFIG_USER_ONLY))
1525
cpu_check_irqs(env);
1527
#if !defined (TARGET_SPARC64)
1528
env->psrs = (val & PSR_S)? 1 : 0;
1529
env->psrps = (val & PSR_PS)? 1 : 0;
1530
env->psret = (val & PSR_ET)? 1 : 0;
1531
set_cwp(val & PSR_CWP);
1533
env->cc_op = CC_OP_FLAGS;
1536
void cpu_put_psr(CPUState *env1, target_ulong val)
1538
CPUState *saved_env;
1546
static int cwp_inc(int cwp)
1548
if (unlikely(cwp >= env->nwindows)) {
1549
cwp -= env->nwindows;
1554
int cpu_cwp_inc(CPUState *env1, int cwp)
1556
CPUState *saved_env;
1566
static int cwp_dec(int cwp)
1568
if (unlikely(cwp < 0)) {
1569
cwp += env->nwindows;
1574
int cpu_cwp_dec(CPUState *env1, int cwp)
1576
CPUState *saved_env;
1586
#ifdef TARGET_SPARC64
1587
GEN_FCMPS(fcmps_fcc1, float32, 22, 0);
1588
GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
1589
GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
1591
GEN_FCMPS(fcmps_fcc2, float32, 24, 0);
1592
GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
1593
GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
1595
GEN_FCMPS(fcmps_fcc3, float32, 26, 0);
1596
GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
1597
GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
1599
GEN_FCMPS(fcmpes_fcc1, float32, 22, 1);
1600
GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
1601
GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
1603
GEN_FCMPS(fcmpes_fcc2, float32, 24, 1);
1604
GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
1605
GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
1607
GEN_FCMPS(fcmpes_fcc3, float32, 26, 1);
1608
GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
1609
GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
1613
#if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
1615
static void dump_mxcc(CPUState *env)
1617
printf("mxccdata: %016" PRIx64 " %016" PRIx64 " %016" PRIx64 " %016" PRIx64
1619
env->mxccdata[0], env->mxccdata[1],
1620
env->mxccdata[2], env->mxccdata[3]);
1621
printf("mxccregs: %016" PRIx64 " %016" PRIx64 " %016" PRIx64 " %016" PRIx64
1623
" %016" PRIx64 " %016" PRIx64 " %016" PRIx64 " %016" PRIx64
1625
env->mxccregs[0], env->mxccregs[1],
1626
env->mxccregs[2], env->mxccregs[3],
1627
env->mxccregs[4], env->mxccregs[5],
1628
env->mxccregs[6], env->mxccregs[7]);
1632
#if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
1633
&& defined(DEBUG_ASI)
1634
static void dump_asi(const char *txt, target_ulong addr, int asi, int size,
1640
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt,
1641
addr, asi, r1 & 0xff);
1644
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt,
1645
addr, asi, r1 & 0xffff);
1648
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt,
1649
addr, asi, r1 & 0xffffffff);
1652
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt,
1659
#ifndef TARGET_SPARC64
1660
#ifndef CONFIG_USER_ONLY
1663
/* Leon3 cache control */
1665
static void leon3_cache_control_int(void)
1669
if (env->cache_control & CACHE_CTRL_IF) {
1670
/* Instruction cache state */
1671
state = env->cache_control & CACHE_STATE_MASK;
1672
if (state == CACHE_ENABLED) {
1673
state = CACHE_FROZEN;
1674
DPRINTF_CACHE_CONTROL("Instruction cache: freeze\n");
1677
env->cache_control &= ~CACHE_STATE_MASK;
1678
env->cache_control |= state;
1681
if (env->cache_control & CACHE_CTRL_DF) {
1682
/* Data cache state */
1683
state = (env->cache_control >> 2) & CACHE_STATE_MASK;
1684
if (state == CACHE_ENABLED) {
1685
state = CACHE_FROZEN;
1686
DPRINTF_CACHE_CONTROL("Data cache: freeze\n");
1689
env->cache_control &= ~(CACHE_STATE_MASK << 2);
1690
env->cache_control |= (state << 2);
1694
static void leon3_cache_control_st(target_ulong addr, uint64_t val, int size)
1696
DPRINTF_CACHE_CONTROL("st addr:%08x, val:%" PRIx64 ", size:%d\n",
1700
DPRINTF_CACHE_CONTROL("32bits only\n");
1705
case 0x00: /* Cache control */
1707
/* These values must always be read as zeros */
1708
val &= ~CACHE_CTRL_FD;
1709
val &= ~CACHE_CTRL_FI;
1710
val &= ~CACHE_CTRL_IB;
1711
val &= ~CACHE_CTRL_IP;
1712
val &= ~CACHE_CTRL_DP;
1714
env->cache_control = val;
1716
case 0x04: /* Instruction cache configuration */
1717
case 0x08: /* Data cache configuration */
1721
DPRINTF_CACHE_CONTROL("write unknown register %08x\n", addr);
1726
static uint64_t leon3_cache_control_ld(target_ulong addr, int size)
1731
DPRINTF_CACHE_CONTROL("32bits only\n");
1736
case 0x00: /* Cache control */
1737
ret = env->cache_control;
1740
/* Configuration registers are read and only always keep those
1741
predefined values */
1743
case 0x04: /* Instruction cache configuration */
1746
case 0x08: /* Data cache configuration */
1750
DPRINTF_CACHE_CONTROL("read unknown register %08x\n", addr);
1753
DPRINTF_CACHE_CONTROL("ld addr:%08x, ret:0x%" PRIx64 ", size:%d\n",
1758
void leon3_irq_manager(void *irq_manager, int intno)
1760
leon3_irq_ack(irq_manager, intno);
1761
leon3_cache_control_int();
1764
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1767
#if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
1768
uint32_t last_addr = addr;
1771
helper_check_align(addr, size - 1);
1773
case 2: /* SuperSparc MXCC registers and Leon3 cache control */
1775
case 0x00: /* Leon3 Cache Control */
1776
case 0x08: /* Leon3 Instruction Cache config */
1777
case 0x0C: /* Leon3 Date Cache config */
1778
if (env->def->features & CPU_FEATURE_CACHE_CTRL) {
1779
ret = leon3_cache_control_ld(addr, size);
1782
case 0x01c00a00: /* MXCC control register */
1784
ret = env->mxccregs[3];
1786
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1789
case 0x01c00a04: /* MXCC control register */
1791
ret = env->mxccregs[3];
1793
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1796
case 0x01c00c00: /* Module reset register */
1798
ret = env->mxccregs[5];
1799
// should we do something here?
1801
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1804
case 0x01c00f00: /* MBus port address register */
1806
ret = env->mxccregs[7];
1808
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1812
DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1816
DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
1817
"addr = %08x -> ret = %" PRIx64 ","
1818
"addr = %08x\n", asi, size, sign, last_addr, ret, addr);
1823
case 3: /* MMU probe */
1827
mmulev = (addr >> 8) & 15;
1831
ret = mmu_probe(env, addr, mmulev);
1832
DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n",
1836
case 4: /* read MMU regs */
1838
int reg = (addr >> 8) & 0x1f;
1840
ret = env->mmuregs[reg];
1841
if (reg == 3) /* Fault status cleared on read */
1842
env->mmuregs[3] = 0;
1843
else if (reg == 0x13) /* Fault status read */
1844
ret = env->mmuregs[3];
1845
else if (reg == 0x14) /* Fault address read */
1846
ret = env->mmuregs[4];
1847
DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret);
1850
case 5: // Turbosparc ITLB Diagnostic
1851
case 6: // Turbosparc DTLB Diagnostic
1852
case 7: // Turbosparc IOTLB Diagnostic
1854
case 9: /* Supervisor code access */
1857
ret = ldub_code(addr);
1860
ret = lduw_code(addr);
1864
ret = ldl_code(addr);
1867
ret = ldq_code(addr);
1871
case 0xa: /* User data access */
1874
ret = ldub_user(addr);
1877
ret = lduw_user(addr);
1881
ret = ldl_user(addr);
1884
ret = ldq_user(addr);
1888
case 0xb: /* Supervisor data access */
1891
ret = ldub_kernel(addr);
1894
ret = lduw_kernel(addr);
1898
ret = ldl_kernel(addr);
1901
ret = ldq_kernel(addr);
1905
case 0xc: /* I-cache tag */
1906
case 0xd: /* I-cache data */
1907
case 0xe: /* D-cache tag */
1908
case 0xf: /* D-cache data */
1910
case 0x20: /* MMU passthrough */
1913
ret = ldub_phys(addr);
1916
ret = lduw_phys(addr);
1920
ret = ldl_phys(addr);
1923
ret = ldq_phys(addr);
1927
case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1930
ret = ldub_phys((target_phys_addr_t)addr
1931
| ((target_phys_addr_t)(asi & 0xf) << 32));
1934
ret = lduw_phys((target_phys_addr_t)addr
1935
| ((target_phys_addr_t)(asi & 0xf) << 32));
1939
ret = ldl_phys((target_phys_addr_t)addr
1940
| ((target_phys_addr_t)(asi & 0xf) << 32));
1943
ret = ldq_phys((target_phys_addr_t)addr
1944
| ((target_phys_addr_t)(asi & 0xf) << 32));
1948
case 0x30: // Turbosparc secondary cache diagnostic
1949
case 0x31: // Turbosparc RAM snoop
1950
case 0x32: // Turbosparc page table descriptor diagnostic
1951
case 0x39: /* data cache diagnostic register */
1954
case 0x38: /* SuperSPARC MMU Breakpoint Control Registers */
1956
int reg = (addr >> 8) & 3;
1959
case 0: /* Breakpoint Value (Addr) */
1960
ret = env->mmubpregs[reg];
1962
case 1: /* Breakpoint Mask */
1963
ret = env->mmubpregs[reg];
1965
case 2: /* Breakpoint Control */
1966
ret = env->mmubpregs[reg];
1968
case 3: /* Breakpoint Status */
1969
ret = env->mmubpregs[reg];
1970
env->mmubpregs[reg] = 0ULL;
1973
DPRINTF_MMU("read breakpoint reg[%d] 0x%016" PRIx64 "\n", reg,
1977
case 0x49: /* SuperSPARC MMU Counter Breakpoint Value */
1978
ret = env->mmubpctrv;
1980
case 0x4a: /* SuperSPARC MMU Counter Breakpoint Control */
1981
ret = env->mmubpctrc;
1983
case 0x4b: /* SuperSPARC MMU Counter Breakpoint Status */
1984
ret = env->mmubpctrs;
1986
case 0x4c: /* SuperSPARC MMU Breakpoint Action */
1987
ret = env->mmubpaction;
1989
case 8: /* User code access, XXX */
1991
do_unassigned_access(addr, 0, 0, asi, size);
2001
ret = (int16_t) ret;
2004
ret = (int32_t) ret;
2011
dump_asi("read ", last_addr, asi, size, ret);
2016
void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size)
2018
helper_check_align(addr, size - 1);
2020
case 2: /* SuperSparc MXCC registers and Leon3 cache control */
2022
case 0x00: /* Leon3 Cache Control */
2023
case 0x08: /* Leon3 Instruction Cache config */
2024
case 0x0C: /* Leon3 Date Cache config */
2025
if (env->def->features & CPU_FEATURE_CACHE_CTRL) {
2026
leon3_cache_control_st(addr, val, size);
2030
case 0x01c00000: /* MXCC stream data register 0 */
2032
env->mxccdata[0] = val;
2034
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
2037
case 0x01c00008: /* MXCC stream data register 1 */
2039
env->mxccdata[1] = val;
2041
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
2044
case 0x01c00010: /* MXCC stream data register 2 */
2046
env->mxccdata[2] = val;
2048
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
2051
case 0x01c00018: /* MXCC stream data register 3 */
2053
env->mxccdata[3] = val;
2055
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
2058
case 0x01c00100: /* MXCC stream source */
2060
env->mxccregs[0] = val;
2062
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
2064
env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
2066
env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
2068
env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
2070
env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
2073
case 0x01c00200: /* MXCC stream destination */
2075
env->mxccregs[1] = val;
2077
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
2079
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0,
2081
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8,
2083
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16,
2085
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24,
2088
case 0x01c00a00: /* MXCC control register */
2090
env->mxccregs[3] = val;
2092
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
2095
case 0x01c00a04: /* MXCC control register */
2097
env->mxccregs[3] = (env->mxccregs[3] & 0xffffffff00000000ULL)
2100
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
2103
case 0x01c00e00: /* MXCC error register */
2104
// writing a 1 bit clears the error
2106
env->mxccregs[6] &= ~val;
2108
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
2111
case 0x01c00f00: /* MBus port address register */
2113
env->mxccregs[7] = val;
2115
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
2119
DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
2123
DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %" PRIx64 "\n",
2124
asi, size, addr, val);
2129
case 3: /* MMU flush */
2133
mmulev = (addr >> 8) & 15;
2134
DPRINTF_MMU("mmu flush level %d\n", mmulev);
2136
case 0: // flush page
2137
tlb_flush_page(env, addr & 0xfffff000);
2139
case 1: // flush segment (256k)
2140
case 2: // flush region (16M)
2141
case 3: // flush context (4G)
2142
case 4: // flush entire
2149
dump_mmu(stdout, fprintf, env);
2153
case 4: /* write MMU regs */
2155
int reg = (addr >> 8) & 0x1f;
2158
oldreg = env->mmuregs[reg];
2160
case 0: // Control Register
2161
env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
2163
// Mappings generated during no-fault mode or MMU
2164
// disabled mode are invalid in normal mode
2165
if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) !=
2166
(env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm)))
2169
case 1: // Context Table Pointer Register
2170
env->mmuregs[reg] = val & env->def->mmu_ctpr_mask;
2172
case 2: // Context Register
2173
env->mmuregs[reg] = val & env->def->mmu_cxr_mask;
2174
if (oldreg != env->mmuregs[reg]) {
2175
/* we flush when the MMU context changes because
2176
QEMU has no MMU context support */
2180
case 3: // Synchronous Fault Status Register with Clear
2181
case 4: // Synchronous Fault Address Register
2183
case 0x10: // TLB Replacement Control Register
2184
env->mmuregs[reg] = val & env->def->mmu_trcr_mask;
2186
case 0x13: // Synchronous Fault Status Register with Read and Clear
2187
env->mmuregs[3] = val & env->def->mmu_sfsr_mask;
2189
case 0x14: // Synchronous Fault Address Register
2190
env->mmuregs[4] = val;
2193
env->mmuregs[reg] = val;
2196
if (oldreg != env->mmuregs[reg]) {
2197
DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
2198
reg, oldreg, env->mmuregs[reg]);
2201
dump_mmu(stdout, fprintf, env);
2205
case 5: // Turbosparc ITLB Diagnostic
2206
case 6: // Turbosparc DTLB Diagnostic
2207
case 7: // Turbosparc IOTLB Diagnostic
2209
case 0xa: /* User data access */
2212
stb_user(addr, val);
2215
stw_user(addr, val);
2219
stl_user(addr, val);
2222
stq_user(addr, val);
2226
case 0xb: /* Supervisor data access */
2229
stb_kernel(addr, val);
2232
stw_kernel(addr, val);
2236
stl_kernel(addr, val);
2239
stq_kernel(addr, val);
2243
case 0xc: /* I-cache tag */
2244
case 0xd: /* I-cache data */
2245
case 0xe: /* D-cache tag */
2246
case 0xf: /* D-cache data */
2247
case 0x10: /* I/D-cache flush page */
2248
case 0x11: /* I/D-cache flush segment */
2249
case 0x12: /* I/D-cache flush region */
2250
case 0x13: /* I/D-cache flush context */
2251
case 0x14: /* I/D-cache flush user */
2253
case 0x17: /* Block copy, sta access */
2259
uint32_t src = val & ~3, dst = addr & ~3, temp;
2261
for (i = 0; i < 32; i += 4, src += 4, dst += 4) {
2262
temp = ldl_kernel(src);
2263
stl_kernel(dst, temp);
2267
case 0x1f: /* Block fill, stda access */
2270
// fill 32 bytes with val
2272
uint32_t dst = addr & 7;
2274
for (i = 0; i < 32; i += 8, dst += 8)
2275
stq_kernel(dst, val);
2278
case 0x20: /* MMU passthrough */
2282
stb_phys(addr, val);
2285
stw_phys(addr, val);
2289
stl_phys(addr, val);
2292
stq_phys(addr, val);
2297
case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
2301
stb_phys((target_phys_addr_t)addr
2302
| ((target_phys_addr_t)(asi & 0xf) << 32), val);
2305
stw_phys((target_phys_addr_t)addr
2306
| ((target_phys_addr_t)(asi & 0xf) << 32), val);
2310
stl_phys((target_phys_addr_t)addr
2311
| ((target_phys_addr_t)(asi & 0xf) << 32), val);
2314
stq_phys((target_phys_addr_t)addr
2315
| ((target_phys_addr_t)(asi & 0xf) << 32), val);
2320
case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic
2321
case 0x31: // store buffer data, Ross RT620 I-cache flush or
2322
// Turbosparc snoop RAM
2323
case 0x32: // store buffer control or Turbosparc page table
2324
// descriptor diagnostic
2325
case 0x36: /* I-cache flash clear */
2326
case 0x37: /* D-cache flash clear */
2328
case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/
2330
int reg = (addr >> 8) & 3;
2333
case 0: /* Breakpoint Value (Addr) */
2334
env->mmubpregs[reg] = (val & 0xfffffffffULL);
2336
case 1: /* Breakpoint Mask */
2337
env->mmubpregs[reg] = (val & 0xfffffffffULL);
2339
case 2: /* Breakpoint Control */
2340
env->mmubpregs[reg] = (val & 0x7fULL);
2342
case 3: /* Breakpoint Status */
2343
env->mmubpregs[reg] = (val & 0xfULL);
2346
DPRINTF_MMU("write breakpoint reg[%d] 0x%016x\n", reg,
2350
case 0x49: /* SuperSPARC MMU Counter Breakpoint Value */
2351
env->mmubpctrv = val & 0xffffffff;
2353
case 0x4a: /* SuperSPARC MMU Counter Breakpoint Control */
2354
env->mmubpctrc = val & 0x3;
2356
case 0x4b: /* SuperSPARC MMU Counter Breakpoint Status */
2357
env->mmubpctrs = val & 0x3;
2359
case 0x4c: /* SuperSPARC MMU Breakpoint Action */
2360
env->mmubpaction = val & 0x1fff;
2362
case 8: /* User code access, XXX */
2363
case 9: /* Supervisor code access, XXX */
2365
do_unassigned_access(addr, 1, 0, asi, size);
2369
dump_asi("write", addr, asi, size, val);
2373
#endif /* CONFIG_USER_ONLY */
2374
#else /* TARGET_SPARC64 */
2376
#ifdef CONFIG_USER_ONLY
2377
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
2380
#if defined(DEBUG_ASI)
2381
target_ulong last_addr = addr;
2385
raise_exception(TT_PRIV_ACT);
2387
helper_check_align(addr, size - 1);
2388
addr = asi_address_mask(env, asi, addr);
2391
case 0x82: // Primary no-fault
2392
case 0x8a: // Primary no-fault LE
2393
if (page_check_range(addr, size, PAGE_READ) == -1) {
2395
dump_asi("read ", last_addr, asi, size, ret);
2400
case 0x80: // Primary
2401
case 0x88: // Primary LE
2405
ret = ldub_raw(addr);
2408
ret = lduw_raw(addr);
2411
ret = ldl_raw(addr);
2415
ret = ldq_raw(addr);
2420
case 0x83: // Secondary no-fault
2421
case 0x8b: // Secondary no-fault LE
2422
if (page_check_range(addr, size, PAGE_READ) == -1) {
2424
dump_asi("read ", last_addr, asi, size, ret);
2429
case 0x81: // Secondary
2430
case 0x89: // Secondary LE
2437
/* Convert from little endian */
2439
case 0x88: // Primary LE
2440
case 0x89: // Secondary LE
2441
case 0x8a: // Primary no-fault LE
2442
case 0x8b: // Secondary no-fault LE
2460
/* Convert to signed number */
2467
ret = (int16_t) ret;
2470
ret = (int32_t) ret;
2477
dump_asi("read ", last_addr, asi, size, ret);
2482
void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
2485
dump_asi("write", addr, asi, size, val);
2488
raise_exception(TT_PRIV_ACT);
2490
helper_check_align(addr, size - 1);
2491
addr = asi_address_mask(env, asi, addr);
2493
/* Convert to little endian */
2495
case 0x88: // Primary LE
2496
case 0x89: // Secondary LE
2515
case 0x80: // Primary
2516
case 0x88: // Primary LE
2535
case 0x81: // Secondary
2536
case 0x89: // Secondary LE
2540
case 0x82: // Primary no-fault, RO
2541
case 0x83: // Secondary no-fault, RO
2542
case 0x8a: // Primary no-fault LE, RO
2543
case 0x8b: // Secondary no-fault LE, RO
2545
do_unassigned_access(addr, 1, 0, 1, size);
2550
#else /* CONFIG_USER_ONLY */
2552
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
2555
#if defined(DEBUG_ASI)
2556
target_ulong last_addr = addr;
2561
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2562
|| (cpu_has_hypervisor(env)
2563
&& asi >= 0x30 && asi < 0x80
2564
&& !(env->hpstate & HS_PRIV)))
2565
raise_exception(TT_PRIV_ACT);
2567
helper_check_align(addr, size - 1);
2568
addr = asi_address_mask(env, asi, addr);
2570
/* process nonfaulting loads first */
2571
if ((asi & 0xf6) == 0x82) {
2574
/* secondary space access has lowest asi bit equal to 1 */
2575
if (env->pstate & PS_PRIV) {
2576
mmu_idx = (asi & 1) ? MMU_KERNEL_SECONDARY_IDX : MMU_KERNEL_IDX;
2578
mmu_idx = (asi & 1) ? MMU_USER_SECONDARY_IDX : MMU_USER_IDX;
2581
if (cpu_get_phys_page_nofault(env, addr, mmu_idx) == -1ULL) {
2583
dump_asi("read ", last_addr, asi, size, ret);
2585
/* env->exception_index is set in get_physical_address_data(). */
2586
raise_exception(env->exception_index);
2589
/* convert nonfaulting load ASIs to normal load ASIs */
2594
case 0x10: // As if user primary
2595
case 0x11: // As if user secondary
2596
case 0x18: // As if user primary LE
2597
case 0x19: // As if user secondary LE
2598
case 0x80: // Primary
2599
case 0x81: // Secondary
2600
case 0x88: // Primary LE
2601
case 0x89: // Secondary LE
2602
case 0xe2: // UA2007 Primary block init
2603
case 0xe3: // UA2007 Secondary block init
2604
if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
2605
if (cpu_hypervisor_mode(env)) {
2608
ret = ldub_hypv(addr);
2611
ret = lduw_hypv(addr);
2614
ret = ldl_hypv(addr);
2618
ret = ldq_hypv(addr);
2622
/* secondary space access has lowest asi bit equal to 1 */
2626
ret = ldub_kernel_secondary(addr);
2629
ret = lduw_kernel_secondary(addr);
2632
ret = ldl_kernel_secondary(addr);
2636
ret = ldq_kernel_secondary(addr);
2642
ret = ldub_kernel(addr);
2645
ret = lduw_kernel(addr);
2648
ret = ldl_kernel(addr);
2652
ret = ldq_kernel(addr);
2658
/* secondary space access has lowest asi bit equal to 1 */
2662
ret = ldub_user_secondary(addr);
2665
ret = lduw_user_secondary(addr);
2668
ret = ldl_user_secondary(addr);
2672
ret = ldq_user_secondary(addr);
2678
ret = ldub_user(addr);
2681
ret = lduw_user(addr);
2684
ret = ldl_user(addr);
2688
ret = ldq_user(addr);
2694
case 0x14: // Bypass
2695
case 0x15: // Bypass, non-cacheable
2696
case 0x1c: // Bypass LE
2697
case 0x1d: // Bypass, non-cacheable LE
2701
ret = ldub_phys(addr);
2704
ret = lduw_phys(addr);
2707
ret = ldl_phys(addr);
2711
ret = ldq_phys(addr);
2716
case 0x24: // Nucleus quad LDD 128 bit atomic
2717
case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2718
// Only ldda allowed
2719
raise_exception(TT_ILL_INSN);
2721
case 0x04: // Nucleus
2722
case 0x0c: // Nucleus Little Endian (LE)
2726
ret = ldub_nucleus(addr);
2729
ret = lduw_nucleus(addr);
2732
ret = ldl_nucleus(addr);
2736
ret = ldq_nucleus(addr);
2741
case 0x4a: // UPA config
2747
case 0x50: // I-MMU regs
2749
int reg = (addr >> 3) & 0xf;
2752
// I-TSB Tag Target register
2753
ret = ultrasparc_tag_target(env->immu.tag_access);
2755
ret = env->immuregs[reg];
2760
case 0x51: // I-MMU 8k TSB pointer
2762
// env->immuregs[5] holds I-MMU TSB register value
2763
// env->immuregs[6] holds I-MMU Tag Access register value
2764
ret = ultrasparc_tsb_pointer(env->immu.tsb, env->immu.tag_access,
2768
case 0x52: // I-MMU 64k TSB pointer
2770
// env->immuregs[5] holds I-MMU TSB register value
2771
// env->immuregs[6] holds I-MMU Tag Access register value
2772
ret = ultrasparc_tsb_pointer(env->immu.tsb, env->immu.tag_access,
2776
case 0x55: // I-MMU data access
2778
int reg = (addr >> 3) & 0x3f;
2780
ret = env->itlb[reg].tte;
2783
case 0x56: // I-MMU tag read
2785
int reg = (addr >> 3) & 0x3f;
2787
ret = env->itlb[reg].tag;
2790
case 0x58: // D-MMU regs
2792
int reg = (addr >> 3) & 0xf;
2795
// D-TSB Tag Target register
2796
ret = ultrasparc_tag_target(env->dmmu.tag_access);
2798
ret = env->dmmuregs[reg];
2802
case 0x59: // D-MMU 8k TSB pointer
2804
// env->dmmuregs[5] holds D-MMU TSB register value
2805
// env->dmmuregs[6] holds D-MMU Tag Access register value
2806
ret = ultrasparc_tsb_pointer(env->dmmu.tsb, env->dmmu.tag_access,
2810
case 0x5a: // D-MMU 64k TSB pointer
2812
// env->dmmuregs[5] holds D-MMU TSB register value
2813
// env->dmmuregs[6] holds D-MMU Tag Access register value
2814
ret = ultrasparc_tsb_pointer(env->dmmu.tsb, env->dmmu.tag_access,
2818
case 0x5d: // D-MMU data access
2820
int reg = (addr >> 3) & 0x3f;
2822
ret = env->dtlb[reg].tte;
2825
case 0x5e: // D-MMU tag read
2827
int reg = (addr >> 3) & 0x3f;
2829
ret = env->dtlb[reg].tag;
2832
case 0x46: // D-cache data
2833
case 0x47: // D-cache tag access
2834
case 0x4b: // E-cache error enable
2835
case 0x4c: // E-cache asynchronous fault status
2836
case 0x4d: // E-cache asynchronous fault address
2837
case 0x4e: // E-cache tag data
2838
case 0x66: // I-cache instruction access
2839
case 0x67: // I-cache tag access
2840
case 0x6e: // I-cache predecode
2841
case 0x6f: // I-cache LRU etc.
2842
case 0x76: // E-cache tag
2843
case 0x7e: // E-cache tag
2845
case 0x5b: // D-MMU data pointer
2846
case 0x48: // Interrupt dispatch, RO
2847
case 0x49: // Interrupt data receive
2848
case 0x7f: // Incoming interrupt vector, RO
2851
case 0x54: // I-MMU data in, WO
2852
case 0x57: // I-MMU demap, WO
2853
case 0x5c: // D-MMU data in, WO
2854
case 0x5f: // D-MMU demap, WO
2855
case 0x77: // Interrupt vector, WO
2857
do_unassigned_access(addr, 0, 0, 1, size);
2862
/* Convert from little endian */
2864
case 0x0c: // Nucleus Little Endian (LE)
2865
case 0x18: // As if user primary LE
2866
case 0x19: // As if user secondary LE
2867
case 0x1c: // Bypass LE
2868
case 0x1d: // Bypass, non-cacheable LE
2869
case 0x88: // Primary LE
2870
case 0x89: // Secondary LE
2888
/* Convert to signed number */
2895
ret = (int16_t) ret;
2898
ret = (int32_t) ret;
2905
dump_asi("read ", last_addr, asi, size, ret);
2910
void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
2913
dump_asi("write", addr, asi, size, val);
2918
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2919
|| (cpu_has_hypervisor(env)
2920
&& asi >= 0x30 && asi < 0x80
2921
&& !(env->hpstate & HS_PRIV)))
2922
raise_exception(TT_PRIV_ACT);
2924
helper_check_align(addr, size - 1);
2925
addr = asi_address_mask(env, asi, addr);
2927
/* Convert to little endian */
2929
case 0x0c: // Nucleus Little Endian (LE)
2930
case 0x18: // As if user primary LE
2931
case 0x19: // As if user secondary LE
2932
case 0x1c: // Bypass LE
2933
case 0x1d: // Bypass, non-cacheable LE
2934
case 0x88: // Primary LE
2935
case 0x89: // Secondary LE
2954
case 0x10: // As if user primary
2955
case 0x11: // As if user secondary
2956
case 0x18: // As if user primary LE
2957
case 0x19: // As if user secondary LE
2958
case 0x80: // Primary
2959
case 0x81: // Secondary
2960
case 0x88: // Primary LE
2961
case 0x89: // Secondary LE
2962
case 0xe2: // UA2007 Primary block init
2963
case 0xe3: // UA2007 Secondary block init
2964
if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
2965
if (cpu_hypervisor_mode(env)) {
2968
stb_hypv(addr, val);
2971
stw_hypv(addr, val);
2974
stl_hypv(addr, val);
2978
stq_hypv(addr, val);
2982
/* secondary space access has lowest asi bit equal to 1 */
2986
stb_kernel_secondary(addr, val);
2989
stw_kernel_secondary(addr, val);
2992
stl_kernel_secondary(addr, val);
2996
stq_kernel_secondary(addr, val);
3002
stb_kernel(addr, val);
3005
stw_kernel(addr, val);
3008
stl_kernel(addr, val);
3012
stq_kernel(addr, val);
3018
/* secondary space access has lowest asi bit equal to 1 */
3022
stb_user_secondary(addr, val);
3025
stw_user_secondary(addr, val);
3028
stl_user_secondary(addr, val);
3032
stq_user_secondary(addr, val);
3038
stb_user(addr, val);
3041
stw_user(addr, val);
3044
stl_user(addr, val);
3048
stq_user(addr, val);
3054
case 0x14: // Bypass
3055
case 0x15: // Bypass, non-cacheable
3056
case 0x1c: // Bypass LE
3057
case 0x1d: // Bypass, non-cacheable LE
3061
stb_phys(addr, val);
3064
stw_phys(addr, val);
3067
stl_phys(addr, val);
3071
stq_phys(addr, val);
3076
case 0x24: // Nucleus quad LDD 128 bit atomic
3077
case 0x2c: // Nucleus quad LDD 128 bit atomic LE
3078
// Only ldda allowed
3079
raise_exception(TT_ILL_INSN);
3081
case 0x04: // Nucleus
3082
case 0x0c: // Nucleus Little Endian (LE)
3086
stb_nucleus(addr, val);
3089
stw_nucleus(addr, val);
3092
stl_nucleus(addr, val);
3096
stq_nucleus(addr, val);
3102
case 0x4a: // UPA config
3110
env->lsu = val & (DMMU_E | IMMU_E);
3111
// Mappings generated during D/I MMU disabled mode are
3112
// invalid in normal mode
3113
if (oldreg != env->lsu) {
3114
DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n",
3117
dump_mmu(stdout, fprintf, env1);
3123
case 0x50: // I-MMU regs
3125
int reg = (addr >> 3) & 0xf;
3128
oldreg = env->immuregs[reg];
3132
case 1: // Not in I-MMU
3137
val = 0; // Clear SFSR
3138
env->immu.sfsr = val;
3142
case 5: // TSB access
3143
DPRINTF_MMU("immu TSB write: 0x%016" PRIx64 " -> 0x%016"
3144
PRIx64 "\n", env->immu.tsb, val);
3145
env->immu.tsb = val;
3147
case 6: // Tag access
3148
env->immu.tag_access = val;
3157
if (oldreg != env->immuregs[reg]) {
3158
DPRINTF_MMU("immu change reg[%d]: 0x%016" PRIx64 " -> 0x%016"
3159
PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
3162
dump_mmu(stdout, fprintf, env);
3166
case 0x54: // I-MMU data in
3167
replace_tlb_1bit_lru(env->itlb, env->immu.tag_access, val, "immu", env);
3169
case 0x55: // I-MMU data access
3173
unsigned int i = (addr >> 3) & 0x3f;
3175
replace_tlb_entry(&env->itlb[i], env->immu.tag_access, val, env);
3178
DPRINTF_MMU("immu data access replaced entry [%i]\n", i);
3179
dump_mmu(stdout, fprintf, env);
3183
case 0x57: // I-MMU demap
3184
demap_tlb(env->itlb, addr, "immu", env);
3186
case 0x58: // D-MMU regs
3188
int reg = (addr >> 3) & 0xf;
3191
oldreg = env->dmmuregs[reg];
3197
if ((val & 1) == 0) {
3198
val = 0; // Clear SFSR, Fault address
3201
env->dmmu.sfsr = val;
3203
case 1: // Primary context
3204
env->dmmu.mmu_primary_context = val;
3205
/* can be optimized to only flush MMU_USER_IDX
3206
and MMU_KERNEL_IDX entries */
3209
case 2: // Secondary context
3210
env->dmmu.mmu_secondary_context = val;
3211
/* can be optimized to only flush MMU_USER_SECONDARY_IDX
3212
and MMU_KERNEL_SECONDARY_IDX entries */
3215
case 5: // TSB access
3216
DPRINTF_MMU("dmmu TSB write: 0x%016" PRIx64 " -> 0x%016"
3217
PRIx64 "\n", env->dmmu.tsb, val);
3218
env->dmmu.tsb = val;
3220
case 6: // Tag access
3221
env->dmmu.tag_access = val;
3223
case 7: // Virtual Watchpoint
3224
case 8: // Physical Watchpoint
3226
env->dmmuregs[reg] = val;
3230
if (oldreg != env->dmmuregs[reg]) {
3231
DPRINTF_MMU("dmmu change reg[%d]: 0x%016" PRIx64 " -> 0x%016"
3232
PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
3235
dump_mmu(stdout, fprintf, env);
3239
case 0x5c: // D-MMU data in
3240
replace_tlb_1bit_lru(env->dtlb, env->dmmu.tag_access, val, "dmmu", env);
3242
case 0x5d: // D-MMU data access
3244
unsigned int i = (addr >> 3) & 0x3f;
3246
replace_tlb_entry(&env->dtlb[i], env->dmmu.tag_access, val, env);
3249
DPRINTF_MMU("dmmu data access replaced entry [%i]\n", i);
3250
dump_mmu(stdout, fprintf, env);
3254
case 0x5f: // D-MMU demap
3255
demap_tlb(env->dtlb, addr, "dmmu", env);
3257
case 0x49: // Interrupt data receive
3260
case 0x46: // D-cache data
3261
case 0x47: // D-cache tag access
3262
case 0x4b: // E-cache error enable
3263
case 0x4c: // E-cache asynchronous fault status
3264
case 0x4d: // E-cache asynchronous fault address
3265
case 0x4e: // E-cache tag data
3266
case 0x66: // I-cache instruction access
3267
case 0x67: // I-cache tag access
3268
case 0x6e: // I-cache predecode
3269
case 0x6f: // I-cache LRU etc.
3270
case 0x76: // E-cache tag
3271
case 0x7e: // E-cache tag
3273
case 0x51: // I-MMU 8k TSB pointer, RO
3274
case 0x52: // I-MMU 64k TSB pointer, RO
3275
case 0x56: // I-MMU tag read, RO
3276
case 0x59: // D-MMU 8k TSB pointer, RO
3277
case 0x5a: // D-MMU 64k TSB pointer, RO
3278
case 0x5b: // D-MMU data pointer, RO
3279
case 0x5e: // D-MMU tag read, RO
3280
case 0x48: // Interrupt dispatch, RO
3281
case 0x7f: // Incoming interrupt vector, RO
3282
case 0x82: // Primary no-fault, RO
3283
case 0x83: // Secondary no-fault, RO
3284
case 0x8a: // Primary no-fault LE, RO
3285
case 0x8b: // Secondary no-fault LE, RO
3287
do_unassigned_access(addr, 1, 0, 1, size);
3291
#endif /* CONFIG_USER_ONLY */
3293
void helper_ldda_asi(target_ulong addr, int asi, int rd)
3295
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
3296
|| (cpu_has_hypervisor(env)
3297
&& asi >= 0x30 && asi < 0x80
3298
&& !(env->hpstate & HS_PRIV)))
3299
raise_exception(TT_PRIV_ACT);
3301
addr = asi_address_mask(env, asi, addr);
3304
#if !defined(CONFIG_USER_ONLY)
3305
case 0x24: // Nucleus quad LDD 128 bit atomic
3306
case 0x2c: // Nucleus quad LDD 128 bit atomic LE
3307
helper_check_align(addr, 0xf);
3309
env->gregs[1] = ldq_nucleus(addr + 8);
3311
bswap64s(&env->gregs[1]);
3312
} else if (rd < 8) {
3313
env->gregs[rd] = ldq_nucleus(addr);
3314
env->gregs[rd + 1] = ldq_nucleus(addr + 8);
3316
bswap64s(&env->gregs[rd]);
3317
bswap64s(&env->gregs[rd + 1]);
3320
env->regwptr[rd] = ldq_nucleus(addr);
3321
env->regwptr[rd + 1] = ldq_nucleus(addr + 8);
3323
bswap64s(&env->regwptr[rd]);
3324
bswap64s(&env->regwptr[rd + 1]);
3330
helper_check_align(addr, 0x3);
3332
env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0);
3334
env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0);
3335
env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
3337
env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0);
3338
env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
3344
void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
3349
helper_check_align(addr, 3);
3350
addr = asi_address_mask(env, asi, addr);
3353
case 0xf0: /* UA2007/JPS1 Block load primary */
3354
case 0xf1: /* UA2007/JPS1 Block load secondary */
3355
case 0xf8: /* UA2007/JPS1 Block load primary LE */
3356
case 0xf9: /* UA2007/JPS1 Block load secondary LE */
3358
raise_exception(TT_ILL_INSN);
3361
helper_check_align(addr, 0x3f);
3362
for (i = 0; i < 16; i++) {
3363
*(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4,
3369
case 0x16: /* UA2007 Block load primary, user privilege */
3370
case 0x17: /* UA2007 Block load secondary, user privilege */
3371
case 0x1e: /* UA2007 Block load primary LE, user privilege */
3372
case 0x1f: /* UA2007 Block load secondary LE, user privilege */
3373
case 0x70: /* JPS1 Block load primary, user privilege */
3374
case 0x71: /* JPS1 Block load secondary, user privilege */
3375
case 0x78: /* JPS1 Block load primary LE, user privilege */
3376
case 0x79: /* JPS1 Block load secondary LE, user privilege */
3378
raise_exception(TT_ILL_INSN);
3381
helper_check_align(addr, 0x3f);
3382
for (i = 0; i < 16; i++) {
3383
*(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x19, 4,
3396
*((uint32_t *)&env->fpr[rd]) = helper_ld_asi(addr, asi, size, 0);
3399
u.ll = helper_ld_asi(addr, asi, size, 0);
3400
*((uint32_t *)&env->fpr[rd++]) = u.l.upper;
3401
*((uint32_t *)&env->fpr[rd++]) = u.l.lower;
3404
u.ll = helper_ld_asi(addr, asi, 8, 0);
3405
*((uint32_t *)&env->fpr[rd++]) = u.l.upper;
3406
*((uint32_t *)&env->fpr[rd++]) = u.l.lower;
3407
u.ll = helper_ld_asi(addr + 8, asi, 8, 0);
3408
*((uint32_t *)&env->fpr[rd++]) = u.l.upper;
3409
*((uint32_t *)&env->fpr[rd++]) = u.l.lower;
3414
void helper_stf_asi(target_ulong addr, int asi, int size, int rd)
3417
target_ulong val = 0;
3420
helper_check_align(addr, 3);
3421
addr = asi_address_mask(env, asi, addr);
3424
case 0xe0: /* UA2007/JPS1 Block commit store primary (cache flush) */
3425
case 0xe1: /* UA2007/JPS1 Block commit store secondary (cache flush) */
3426
case 0xf0: /* UA2007/JPS1 Block store primary */
3427
case 0xf1: /* UA2007/JPS1 Block store secondary */
3428
case 0xf8: /* UA2007/JPS1 Block store primary LE */
3429
case 0xf9: /* UA2007/JPS1 Block store secondary LE */
3431
raise_exception(TT_ILL_INSN);
3434
helper_check_align(addr, 0x3f);
3435
for (i = 0; i < 16; i++) {
3436
val = *(uint32_t *)&env->fpr[rd++];
3437
helper_st_asi(addr, val, asi & 0x8f, 4);
3442
case 0x16: /* UA2007 Block load primary, user privilege */
3443
case 0x17: /* UA2007 Block load secondary, user privilege */
3444
case 0x1e: /* UA2007 Block load primary LE, user privilege */
3445
case 0x1f: /* UA2007 Block load secondary LE, user privilege */
3446
case 0x70: /* JPS1 Block store primary, user privilege */
3447
case 0x71: /* JPS1 Block store secondary, user privilege */
3448
case 0x78: /* JPS1 Block load primary LE, user privilege */
3449
case 0x79: /* JPS1 Block load secondary LE, user privilege */
3451
raise_exception(TT_ILL_INSN);
3454
helper_check_align(addr, 0x3f);
3455
for (i = 0; i < 16; i++) {
3456
val = *(uint32_t *)&env->fpr[rd++];
3457
helper_st_asi(addr, val, asi & 0x19, 4);
3469
helper_st_asi(addr, *(uint32_t *)&env->fpr[rd], asi, size);
3472
u.l.upper = *(uint32_t *)&env->fpr[rd++];
3473
u.l.lower = *(uint32_t *)&env->fpr[rd++];
3474
helper_st_asi(addr, u.ll, asi, size);
3477
u.l.upper = *(uint32_t *)&env->fpr[rd++];
3478
u.l.lower = *(uint32_t *)&env->fpr[rd++];
3479
helper_st_asi(addr, u.ll, asi, 8);
3480
u.l.upper = *(uint32_t *)&env->fpr[rd++];
3481
u.l.lower = *(uint32_t *)&env->fpr[rd++];
3482
helper_st_asi(addr + 8, u.ll, asi, 8);
3487
target_ulong helper_cas_asi(target_ulong addr, target_ulong val1,
3488
target_ulong val2, uint32_t asi)
3492
val2 &= 0xffffffffUL;
3493
ret = helper_ld_asi(addr, asi, 4, 0);
3494
ret &= 0xffffffffUL;
3496
helper_st_asi(addr, val1 & 0xffffffffUL, asi, 4);
3500
target_ulong helper_casx_asi(target_ulong addr, target_ulong val1,
3501
target_ulong val2, uint32_t asi)
3505
ret = helper_ld_asi(addr, asi, 8, 0);
3507
helper_st_asi(addr, val1, asi, 8);
3510
#endif /* TARGET_SPARC64 */
3512
#ifndef TARGET_SPARC64
3513
void helper_rett(void)
3517
if (env->psret == 1)
3518
raise_exception(TT_ILL_INSN);
3521
cwp = cwp_inc(env->cwp + 1) ;
3522
if (env->wim & (1 << cwp)) {
3523
raise_exception(TT_WIN_UNF);
3526
env->psrs = env->psrps;
3530
static target_ulong helper_udiv_common(target_ulong a, target_ulong b, int cc)
3536
x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
3537
x1 = (b & 0xffffffff);
3540
raise_exception(TT_DIV_ZERO);
3544
if (x0 > 0xffffffff) {
3551
env->cc_src2 = overflow;
3552
env->cc_op = CC_OP_DIV;
3557
target_ulong helper_udiv(target_ulong a, target_ulong b)
3559
return helper_udiv_common(a, b, 0);
3562
target_ulong helper_udiv_cc(target_ulong a, target_ulong b)
3564
return helper_udiv_common(a, b, 1);
3567
static target_ulong helper_sdiv_common(target_ulong a, target_ulong b, int cc)
3573
x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
3574
x1 = (b & 0xffffffff);
3577
raise_exception(TT_DIV_ZERO);
3581
if ((int32_t) x0 != x0) {
3582
x0 = x0 < 0 ? 0x80000000: 0x7fffffff;
3588
env->cc_src2 = overflow;
3589
env->cc_op = CC_OP_DIV;
3594
target_ulong helper_sdiv(target_ulong a, target_ulong b)
3596
return helper_sdiv_common(a, b, 0);
3599
target_ulong helper_sdiv_cc(target_ulong a, target_ulong b)
3601
return helper_sdiv_common(a, b, 1);
3604
void helper_stdf(target_ulong addr, int mem_idx)
3606
helper_check_align(addr, 7);
3607
#if !defined(CONFIG_USER_ONLY)
3610
stfq_user(addr, DT0);
3612
case MMU_KERNEL_IDX:
3613
stfq_kernel(addr, DT0);
3615
#ifdef TARGET_SPARC64
3617
stfq_hypv(addr, DT0);
3621
DPRINTF_MMU("helper_stdf: need to check MMU idx %d\n", mem_idx);
3625
stfq_raw(address_mask(env, addr), DT0);
3629
void helper_lddf(target_ulong addr, int mem_idx)
3631
helper_check_align(addr, 7);
3632
#if !defined(CONFIG_USER_ONLY)
3635
DT0 = ldfq_user(addr);
3637
case MMU_KERNEL_IDX:
3638
DT0 = ldfq_kernel(addr);
3640
#ifdef TARGET_SPARC64
3642
DT0 = ldfq_hypv(addr);
3646
DPRINTF_MMU("helper_lddf: need to check MMU idx %d\n", mem_idx);
3650
DT0 = ldfq_raw(address_mask(env, addr));
3654
void helper_ldqf(target_ulong addr, int mem_idx)
3656
// XXX add 128 bit load
3659
helper_check_align(addr, 7);
3660
#if !defined(CONFIG_USER_ONLY)
3663
u.ll.upper = ldq_user(addr);
3664
u.ll.lower = ldq_user(addr + 8);
3667
case MMU_KERNEL_IDX:
3668
u.ll.upper = ldq_kernel(addr);
3669
u.ll.lower = ldq_kernel(addr + 8);
3672
#ifdef TARGET_SPARC64
3674
u.ll.upper = ldq_hypv(addr);
3675
u.ll.lower = ldq_hypv(addr + 8);
3680
DPRINTF_MMU("helper_ldqf: need to check MMU idx %d\n", mem_idx);
3684
u.ll.upper = ldq_raw(address_mask(env, addr));
3685
u.ll.lower = ldq_raw(address_mask(env, addr + 8));
3690
void helper_stqf(target_ulong addr, int mem_idx)
3692
// XXX add 128 bit store
3695
helper_check_align(addr, 7);
3696
#if !defined(CONFIG_USER_ONLY)
3700
stq_user(addr, u.ll.upper);
3701
stq_user(addr + 8, u.ll.lower);
3703
case MMU_KERNEL_IDX:
3705
stq_kernel(addr, u.ll.upper);
3706
stq_kernel(addr + 8, u.ll.lower);
3708
#ifdef TARGET_SPARC64
3711
stq_hypv(addr, u.ll.upper);
3712
stq_hypv(addr + 8, u.ll.lower);
3716
DPRINTF_MMU("helper_stqf: need to check MMU idx %d\n", mem_idx);
3721
stq_raw(address_mask(env, addr), u.ll.upper);
3722
stq_raw(address_mask(env, addr + 8), u.ll.lower);
3726
static inline void set_fsr(void)
3730
switch (env->fsr & FSR_RD_MASK) {
3731
case FSR_RD_NEAREST:
3732
rnd_mode = float_round_nearest_even;
3736
rnd_mode = float_round_to_zero;
3739
rnd_mode = float_round_up;
3742
rnd_mode = float_round_down;
3745
set_float_rounding_mode(rnd_mode, &env->fp_status);
3748
void helper_ldfsr(uint32_t new_fsr)
3750
env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK);
3754
#ifdef TARGET_SPARC64
3755
void helper_ldxfsr(uint64_t new_fsr)
3757
env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK);
3762
void helper_debug(void)
3764
env->exception_index = EXCP_DEBUG;
3768
#ifndef TARGET_SPARC64
3769
/* XXX: use another pointer for %iN registers to avoid slow wrapping
3771
void helper_save(void)
3775
cwp = cwp_dec(env->cwp - 1);
3776
if (env->wim & (1 << cwp)) {
3777
raise_exception(TT_WIN_OVF);
3782
void helper_restore(void)
3786
cwp = cwp_inc(env->cwp + 1);
3787
if (env->wim & (1 << cwp)) {
3788
raise_exception(TT_WIN_UNF);
3793
void helper_wrpsr(target_ulong new_psr)
3795
if ((new_psr & PSR_CWP) >= env->nwindows) {
3796
raise_exception(TT_ILL_INSN);
3798
cpu_put_psr(env, new_psr);
3802
target_ulong helper_rdpsr(void)
3808
/* XXX: use another pointer for %iN registers to avoid slow wrapping
3810
void helper_save(void)
3814
cwp = cwp_dec(env->cwp - 1);
3815
if (env->cansave == 0) {
3816
raise_exception(TT_SPILL | (env->otherwin != 0 ?
3817
(TT_WOTHER | ((env->wstate & 0x38) >> 1)):
3818
((env->wstate & 0x7) << 2)));
3820
if (env->cleanwin - env->canrestore == 0) {
3821
// XXX Clean windows without trap
3822
raise_exception(TT_CLRWIN);
3831
void helper_restore(void)
3835
cwp = cwp_inc(env->cwp + 1);
3836
if (env->canrestore == 0) {
3837
raise_exception(TT_FILL | (env->otherwin != 0 ?
3838
(TT_WOTHER | ((env->wstate & 0x38) >> 1)):
3839
((env->wstate & 0x7) << 2)));
3847
void helper_flushw(void)
3849
if (env->cansave != env->nwindows - 2) {
3850
raise_exception(TT_SPILL | (env->otherwin != 0 ?
3851
(TT_WOTHER | ((env->wstate & 0x38) >> 1)):
3852
((env->wstate & 0x7) << 2)));
3856
void helper_saved(void)
3859
if (env->otherwin == 0)
3865
void helper_restored(void)
3868
if (env->cleanwin < env->nwindows - 1)
3870
if (env->otherwin == 0)
3876
static target_ulong get_ccr(void)
3882
return ((env->xcc >> 20) << 4) | ((psr & PSR_ICC) >> 20);
3885
target_ulong cpu_get_ccr(CPUState *env1)
3887
CPUState *saved_env;
3897
static void put_ccr(target_ulong val)
3899
target_ulong tmp = val;
3901
env->xcc = (tmp >> 4) << 20;
3902
env->psr = (tmp & 0xf) << 20;
3903
CC_OP = CC_OP_FLAGS;
3906
void cpu_put_ccr(CPUState *env1, target_ulong val)
3908
CPUState *saved_env;
3916
static target_ulong get_cwp64(void)
3918
return env->nwindows - 1 - env->cwp;
3921
target_ulong cpu_get_cwp64(CPUState *env1)
3923
CPUState *saved_env;
3933
static void put_cwp64(int cwp)
3935
if (unlikely(cwp >= env->nwindows || cwp < 0)) {
3936
cwp %= env->nwindows;
3938
set_cwp(env->nwindows - 1 - cwp);
3941
void cpu_put_cwp64(CPUState *env1, int cwp)
3943
CPUState *saved_env;
3951
target_ulong helper_rdccr(void)
3956
void helper_wrccr(target_ulong new_ccr)
3961
// CWP handling is reversed in V9, but we still use the V8 register
3963
target_ulong helper_rdcwp(void)
3968
void helper_wrcwp(target_ulong new_cwp)
3973
// This function uses non-native bit order
3974
#define GET_FIELD(X, FROM, TO) \
3975
((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
3977
// This function uses the order in the manuals, i.e. bit 0 is 2^0
3978
#define GET_FIELD_SP(X, FROM, TO) \
3979
GET_FIELD(X, 63 - (TO), 63 - (FROM))
3981
target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
3983
return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
3984
(GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
3985
(GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
3986
(GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
3987
(GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
3988
(GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
3989
(((pixel_addr >> 55) & 1) << 4) |
3990
(GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
3991
GET_FIELD_SP(pixel_addr, 11, 12);
3994
target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
3998
tmp = addr + offset;
4000
env->gsr |= tmp & 7ULL;
4004
target_ulong helper_popc(target_ulong val)
4006
return ctpop64(val);
4009
static inline uint64_t *get_gregset(uint32_t pstate)
4013
DPRINTF_PSTATE("ERROR in get_gregset: active pstate bits=%x%s%s%s\n",
4015
(pstate & PS_IG) ? " IG" : "",
4016
(pstate & PS_MG) ? " MG" : "",
4017
(pstate & PS_AG) ? " AG" : "");
4018
/* pass through to normal set of global registers */
4030
static inline void change_pstate(uint32_t new_pstate)
4032
uint32_t pstate_regs, new_pstate_regs;
4033
uint64_t *src, *dst;
4035
if (env->def->features & CPU_FEATURE_GL) {
4036
// PS_AG is not implemented in this case
4037
new_pstate &= ~PS_AG;
4040
pstate_regs = env->pstate & 0xc01;
4041
new_pstate_regs = new_pstate & 0xc01;
4043
if (new_pstate_regs != pstate_regs) {
4044
DPRINTF_PSTATE("change_pstate: switching regs old=%x new=%x\n",
4045
pstate_regs, new_pstate_regs);
4046
// Switch global register bank
4047
src = get_gregset(new_pstate_regs);
4048
dst = get_gregset(pstate_regs);
4049
memcpy32(dst, env->gregs);
4050
memcpy32(env->gregs, src);
4053
DPRINTF_PSTATE("change_pstate: regs new=%x (unchanged)\n",
4056
env->pstate = new_pstate;
4059
void helper_wrpstate(target_ulong new_state)
4061
change_pstate(new_state & 0xf3f);
4063
#if !defined(CONFIG_USER_ONLY)
4064
if (cpu_interrupts_enabled(env)) {
4065
cpu_check_irqs(env);
4070
void cpu_change_pstate(CPUState *env1, uint32_t new_pstate)
4072
CPUState *saved_env;
4076
change_pstate(new_pstate);
4080
void helper_wrpil(target_ulong new_pil)
4082
#if !defined(CONFIG_USER_ONLY)
4083
DPRINTF_PSTATE("helper_wrpil old=%x new=%x\n",
4084
env->psrpil, (uint32_t)new_pil);
4086
env->psrpil = new_pil;
4088
if (cpu_interrupts_enabled(env)) {
4089
cpu_check_irqs(env);
4094
void helper_done(void)
4096
trap_state* tsptr = cpu_tsptr(env);
4098
env->pc = tsptr->tnpc;
4099
env->npc = tsptr->tnpc + 4;
4100
put_ccr(tsptr->tstate >> 32);
4101
env->asi = (tsptr->tstate >> 24) & 0xff;
4102
change_pstate((tsptr->tstate >> 8) & 0xf3f);
4103
put_cwp64(tsptr->tstate & 0xff);
4106
DPRINTF_PSTATE("... helper_done tl=%d\n", env->tl);
4108
#if !defined(CONFIG_USER_ONLY)
4109
if (cpu_interrupts_enabled(env)) {
4110
cpu_check_irqs(env);
4115
void helper_retry(void)
4117
trap_state* tsptr = cpu_tsptr(env);
4119
env->pc = tsptr->tpc;
4120
env->npc = tsptr->tnpc;
4121
put_ccr(tsptr->tstate >> 32);
4122
env->asi = (tsptr->tstate >> 24) & 0xff;
4123
change_pstate((tsptr->tstate >> 8) & 0xf3f);
4124
put_cwp64(tsptr->tstate & 0xff);
4127
DPRINTF_PSTATE("... helper_retry tl=%d\n", env->tl);
4129
#if !defined(CONFIG_USER_ONLY)
4130
if (cpu_interrupts_enabled(env)) {
4131
cpu_check_irqs(env);
4136
static void do_modify_softint(const char* operation, uint32_t value)
4138
if (env->softint != value) {
4139
env->softint = value;
4140
DPRINTF_PSTATE(": %s new %08x\n", operation, env->softint);
4141
#if !defined(CONFIG_USER_ONLY)
4142
if (cpu_interrupts_enabled(env)) {
4143
cpu_check_irqs(env);
4149
void helper_set_softint(uint64_t value)
4151
do_modify_softint("helper_set_softint", env->softint | (uint32_t)value);
4154
void helper_clear_softint(uint64_t value)
4156
do_modify_softint("helper_clear_softint", env->softint & (uint32_t)~value);
4159
void helper_write_softint(uint64_t value)
4161
do_modify_softint("helper_write_softint", (uint32_t)value);
4165
#ifdef TARGET_SPARC64
4166
trap_state* cpu_tsptr(CPUState* env)
4168
return &env->ts[env->tl & MAXTL_MASK];
4172
#if !defined(CONFIG_USER_ONLY)
4174
static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
4177
#define MMUSUFFIX _mmu
4178
#define ALIGNED_ONLY
4181
#include "softmmu_template.h"
4184
#include "softmmu_template.h"
4187
#include "softmmu_template.h"
4190
#include "softmmu_template.h"
4192
/* XXX: make it generic ? */
4193
static void cpu_restore_state2(void *retaddr)
4195
TranslationBlock *tb;
4199
/* now we have a real cpu fault */
4200
pc = (unsigned long)retaddr;
4201
tb = tb_find_pc(pc);
4203
/* the PC is inside the translated code. It means that we have
4204
a virtual CPU fault */
4205
cpu_restore_state(tb, env, pc);
4210
static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
4213
#ifdef DEBUG_UNALIGNED
4214
printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
4215
"\n", addr, env->pc);
4217
cpu_restore_state2(retaddr);
4218
raise_exception(TT_UNALIGNED);
4221
/* try to fill the TLB and return an exception if error. If retaddr is
4222
NULL, it means that the function was called in C code (i.e. not
4223
from generated code or from helper.c) */
4224
/* XXX: fix it to restore all registers */
4225
void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
4228
CPUState *saved_env;
4230
/* XXX: hack to restore env in all cases, even if not called from
4233
env = cpu_single_env;
4235
ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
4237
cpu_restore_state2(retaddr);
4243
#endif /* !CONFIG_USER_ONLY */
4245
#ifndef TARGET_SPARC64
4246
#if !defined(CONFIG_USER_ONLY)
4247
static void do_unassigned_access(target_phys_addr_t addr, int is_write,
4248
int is_exec, int is_asi, int size)
4250
CPUState *saved_env;
4253
/* XXX: hack to restore env in all cases, even if not called from
4256
env = cpu_single_env;
4257
#ifdef DEBUG_UNASSIGNED
4259
printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
4260
" asi 0x%02x from " TARGET_FMT_lx "\n",
4261
is_exec ? "exec" : is_write ? "write" : "read", size,
4262
size == 1 ? "" : "s", addr, is_asi, env->pc);
4264
printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
4265
" from " TARGET_FMT_lx "\n",
4266
is_exec ? "exec" : is_write ? "write" : "read", size,
4267
size == 1 ? "" : "s", addr, env->pc);
4269
/* Don't overwrite translation and access faults */
4270
fault_type = (env->mmuregs[3] & 0x1c) >> 2;
4271
if ((fault_type > 4) || (fault_type == 0)) {
4272
env->mmuregs[3] = 0; /* Fault status register */
4274
env->mmuregs[3] |= 1 << 16;
4276
env->mmuregs[3] |= 1 << 5;
4278
env->mmuregs[3] |= 1 << 6;
4280
env->mmuregs[3] |= 1 << 7;
4281
env->mmuregs[3] |= (5 << 2) | 2;
4282
/* SuperSPARC will never place instruction fault addresses in the FAR */
4284
env->mmuregs[4] = addr; /* Fault address register */
4287
/* overflow (same type fault was not read before another fault) */
4288
if (fault_type == ((env->mmuregs[3] & 0x1c)) >> 2) {
4289
env->mmuregs[3] |= 1;
4292
if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) {
4294
raise_exception(TT_CODE_ACCESS);
4296
raise_exception(TT_DATA_ACCESS);
4299
/* flush neverland mappings created during no-fault mode,
4300
so the sequential MMU faults report proper fault types */
4301
if (env->mmuregs[0] & MMU_NF) {
4309
#if defined(CONFIG_USER_ONLY)
4310
static void do_unassigned_access(target_ulong addr, int is_write, int is_exec,
4311
int is_asi, int size)
4313
static void do_unassigned_access(target_phys_addr_t addr, int is_write,
4314
int is_exec, int is_asi, int size)
4317
CPUState *saved_env;
4319
/* XXX: hack to restore env in all cases, even if not called from
4322
env = cpu_single_env;
4324
#ifdef DEBUG_UNASSIGNED
4325
printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx
4326
"\n", addr, env->pc);
4330
raise_exception(TT_CODE_ACCESS);
4332
raise_exception(TT_DATA_ACCESS);
4339
#ifdef TARGET_SPARC64
4340
void helper_tick_set_count(void *opaque, uint64_t count)
4342
#if !defined(CONFIG_USER_ONLY)
4343
cpu_tick_set_count(opaque, count);
4347
uint64_t helper_tick_get_count(void *opaque)
4349
#if !defined(CONFIG_USER_ONLY)
4350
return cpu_tick_get_count(opaque);
4356
void helper_tick_set_limit(void *opaque, uint64_t limit)
4358
#if !defined(CONFIG_USER_ONLY)
4359
cpu_tick_set_limit(opaque, limit);
4364
#if !defined(CONFIG_USER_ONLY)
4365
void cpu_unassigned_access(CPUState *env1, target_phys_addr_t addr,
4366
int is_write, int is_exec, int is_asi, int size)
4369
do_unassigned_access(addr, is_write, is_exec, is_asi, size);