2 #include "host-utils.h"
4 #if !defined(CONFIG_USER_ONLY)
5 #include "softmmu_exec.h"
6 #endif /* !defined(CONFIG_USER_ONLY) */
10 //#define DEBUG_UNALIGNED
11 //#define DEBUG_UNASSIGNED
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)
36 #define AM_CHECK(env1) ((env1)->pstate & PS_AM)
38 #define AM_CHECK(env1) (1)
42 #if defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
43 // Calculates TSB pointer value for fault page size 8k or 64k
44 static uint64_t ultrasparc_tsb_pointer(uint64_t tsb_register,
45 uint64_t tag_access_register,
48 uint64_t tsb_base = tsb_register & ~0x1fffULL;
49 int tsb_split = (tsb_register & 0x1000ULL) ? 1 : 0;
50 int tsb_size = tsb_register & 0xf;
52 // discard lower 13 bits which hold tag access context
53 uint64_t tag_access_va = tag_access_register & ~0x1fffULL;
56 uint64_t tsb_base_mask = ~0x1fffULL;
57 uint64_t va = tag_access_va;
59 // move va bits to correct position
60 if (page_size == 8*1024) {
62 } else if (page_size == 64*1024) {
67 tsb_base_mask <<= tsb_size;
70 // calculate tsb_base mask and adjust va if split is in use
72 if (page_size == 8*1024) {
73 va &= ~(1ULL << (13 + tsb_size));
74 } else if (page_size == 64*1024) {
75 va |= (1ULL << (13 + tsb_size));
80 return ((tsb_base & tsb_base_mask) | (va & ~tsb_base_mask)) & ~0xfULL;
83 // Calculates tag target register value by reordering bits
84 // in tag access register
85 static uint64_t ultrasparc_tag_target(uint64_t tag_access_register)
87 return ((tag_access_register & 0x1fff) << 48) | (tag_access_register >> 22);
90 static void replace_tlb_entry(SparcTLBEntry *tlb,
91 uint64_t tlb_tag, uint64_t tlb_tte,
94 target_ulong mask, size, va, offset;
96 // flush page range if translation is valid
97 if (TTE_IS_VALID(tlb->tte)) {
99 mask = 0xffffffffffffe000ULL;
100 mask <<= 3 * ((tlb->tte >> 61) & 3);
103 va = tlb->tag & mask;
105 for (offset = 0; offset < size; offset += TARGET_PAGE_SIZE) {
106 tlb_flush_page(env1, va + offset);
114 static void demap_tlb(SparcTLBEntry *tlb, target_ulong demap_addr,
115 const char* strmmu, CPUState *env1)
120 for (i = 0; i < 64; i++) {
121 if (TTE_IS_VALID(tlb[i].tte)) {
123 mask = 0xffffffffffffe000ULL;
124 mask <<= 3 * ((tlb[i].tte >> 61) & 3);
126 if ((demap_addr & mask) == (tlb[i].tag & mask)) {
127 replace_tlb_entry(&tlb[i], 0, 0, env1);
129 DPRINTF_MMU("%s demap invalidated entry [%02u]\n", strmmu, i);
139 static void replace_tlb_1bit_lru(SparcTLBEntry *tlb,
140 uint64_t tlb_tag, uint64_t tlb_tte,
141 const char* strmmu, CPUState *env1)
143 unsigned int i, replace_used;
145 // Try replacing invalid entry
146 for (i = 0; i < 64; i++) {
147 if (!TTE_IS_VALID(tlb[i].tte)) {
148 replace_tlb_entry(&tlb[i], tlb_tag, tlb_tte, env1);
150 DPRINTF_MMU("%s lru replaced invalid entry [%i]\n", strmmu, i);
157 // All entries are valid, try replacing unlocked entry
159 for (replace_used = 0; replace_used < 2; ++replace_used) {
161 // Used entries are not replaced on first pass
163 for (i = 0; i < 64; i++) {
164 if (!TTE_IS_LOCKED(tlb[i].tte) && !TTE_IS_USED(tlb[i].tte)) {
166 replace_tlb_entry(&tlb[i], tlb_tag, tlb_tte, env1);
168 DPRINTF_MMU("%s lru replaced unlocked %s entry [%i]\n",
169 strmmu, (replace_used?"used":"unused"), i);
176 // Now reset used bit and search for unused entries again
178 for (i = 0; i < 64; i++) {
179 TTE_SET_UNUSED(tlb[i].tte);
184 DPRINTF_MMU("%s lru replacement failed: no entries available\n", strmmu);
191 static inline void address_mask(CPUState *env1, target_ulong *addr)
193 #ifdef TARGET_SPARC64
195 *addr &= 0xffffffffULL;
199 static void raise_exception(int tt)
201 env->exception_index = tt;
205 void HELPER(raise_exception)(int tt)
210 static inline void set_cwp(int new_cwp)
212 cpu_set_cwp(env, new_cwp);
215 void helper_check_align(target_ulong addr, uint32_t align)
218 #ifdef DEBUG_UNALIGNED
219 printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
220 "\n", addr, env->pc);
222 raise_exception(TT_UNALIGNED);
226 #define F_HELPER(name, p) void helper_f##name##p(void)
228 #define F_BINOP(name) \
229 float32 helper_f ## name ## s (float32 src1, float32 src2) \
231 return float32_ ## name (src1, src2, &env->fp_status); \
235 DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \
239 QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \
248 void helper_fsmuld(float32 src1, float32 src2)
250 DT0 = float64_mul(float32_to_float64(src1, &env->fp_status),
251 float32_to_float64(src2, &env->fp_status),
255 void helper_fdmulq(void)
257 QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status),
258 float64_to_float128(DT1, &env->fp_status),
262 float32 helper_fnegs(float32 src)
264 return float32_chs(src);
267 #ifdef TARGET_SPARC64
270 DT0 = float64_chs(DT1);
275 QT0 = float128_chs(QT1);
279 /* Integer to float conversion. */
280 float32 helper_fitos(int32_t src)
282 return int32_to_float32(src, &env->fp_status);
285 void helper_fitod(int32_t src)
287 DT0 = int32_to_float64(src, &env->fp_status);
290 void helper_fitoq(int32_t src)
292 QT0 = int32_to_float128(src, &env->fp_status);
295 #ifdef TARGET_SPARC64
296 float32 helper_fxtos(void)
298 return int64_to_float32(*((int64_t *)&DT1), &env->fp_status);
303 DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status);
308 QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status);
313 /* floating point conversion */
314 float32 helper_fdtos(void)
316 return float64_to_float32(DT1, &env->fp_status);
319 void helper_fstod(float32 src)
321 DT0 = float32_to_float64(src, &env->fp_status);
324 float32 helper_fqtos(void)
326 return float128_to_float32(QT1, &env->fp_status);
329 void helper_fstoq(float32 src)
331 QT0 = float32_to_float128(src, &env->fp_status);
334 void helper_fqtod(void)
336 DT0 = float128_to_float64(QT1, &env->fp_status);
339 void helper_fdtoq(void)
341 QT0 = float64_to_float128(DT1, &env->fp_status);
344 /* Float to integer conversion. */
345 int32_t helper_fstoi(float32 src)
347 return float32_to_int32_round_to_zero(src, &env->fp_status);
350 int32_t helper_fdtoi(void)
352 return float64_to_int32_round_to_zero(DT1, &env->fp_status);
355 int32_t helper_fqtoi(void)
357 return float128_to_int32_round_to_zero(QT1, &env->fp_status);
360 #ifdef TARGET_SPARC64
361 void helper_fstox(float32 src)
363 *((int64_t *)&DT0) = float32_to_int64_round_to_zero(src, &env->fp_status);
366 void helper_fdtox(void)
368 *((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status);
371 void helper_fqtox(void)
373 *((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status);
376 void helper_faligndata(void)
380 tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8);
381 /* on many architectures a shift of 64 does nothing */
382 if ((env->gsr & 7) != 0) {
383 tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8);
385 *((uint64_t *)&DT0) = tmp;
388 #ifdef HOST_WORDS_BIGENDIAN
389 #define VIS_B64(n) b[7 - (n)]
390 #define VIS_W64(n) w[3 - (n)]
391 #define VIS_SW64(n) sw[3 - (n)]
392 #define VIS_L64(n) l[1 - (n)]
393 #define VIS_B32(n) b[3 - (n)]
394 #define VIS_W32(n) w[1 - (n)]
396 #define VIS_B64(n) b[n]
397 #define VIS_W64(n) w[n]
398 #define VIS_SW64(n) sw[n]
399 #define VIS_L64(n) l[n]
400 #define VIS_B32(n) b[n]
401 #define VIS_W32(n) w[n]
419 void helper_fpmerge(void)
426 // Reverse calculation order to handle overlap
427 d.VIS_B64(7) = s.VIS_B64(3);
428 d.VIS_B64(6) = d.VIS_B64(3);
429 d.VIS_B64(5) = s.VIS_B64(2);
430 d.VIS_B64(4) = d.VIS_B64(2);
431 d.VIS_B64(3) = s.VIS_B64(1);
432 d.VIS_B64(2) = d.VIS_B64(1);
433 d.VIS_B64(1) = s.VIS_B64(0);
434 //d.VIS_B64(0) = d.VIS_B64(0);
439 void helper_fmul8x16(void)
448 tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \
449 if ((tmp & 0xff) > 0x7f) \
451 d.VIS_W64(r) = tmp >> 8;
462 void helper_fmul8x16al(void)
471 tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \
472 if ((tmp & 0xff) > 0x7f) \
474 d.VIS_W64(r) = tmp >> 8;
485 void helper_fmul8x16au(void)
494 tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
495 if ((tmp & 0xff) > 0x7f) \
497 d.VIS_W64(r) = tmp >> 8;
508 void helper_fmul8sux16(void)
517 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
518 if ((tmp & 0xff) > 0x7f) \
520 d.VIS_W64(r) = tmp >> 8;
531 void helper_fmul8ulx16(void)
540 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
541 if ((tmp & 0xff) > 0x7f) \
543 d.VIS_W64(r) = tmp >> 8;
554 void helper_fmuld8sux16(void)
563 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
564 if ((tmp & 0xff) > 0x7f) \
568 // Reverse calculation order to handle overlap
576 void helper_fmuld8ulx16(void)
585 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
586 if ((tmp & 0xff) > 0x7f) \
590 // Reverse calculation order to handle overlap
598 void helper_fexpand(void)
603 s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
605 d.VIS_W64(0) = s.VIS_B32(0) << 4;
606 d.VIS_W64(1) = s.VIS_B32(1) << 4;
607 d.VIS_W64(2) = s.VIS_B32(2) << 4;
608 d.VIS_W64(3) = s.VIS_B32(3) << 4;
613 #define VIS_HELPER(name, F) \
614 void name##16(void) \
621 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \
622 d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \
623 d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \
624 d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \
629 uint32_t name##16s(uint32_t src1, uint32_t src2) \
636 d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \
637 d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \
642 void name##32(void) \
649 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \
650 d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \
655 uint32_t name##32s(uint32_t src1, uint32_t src2) \
667 #define FADD(a, b) ((a) + (b))
668 #define FSUB(a, b) ((a) - (b))
669 VIS_HELPER(helper_fpadd, FADD)
670 VIS_HELPER(helper_fpsub, FSUB)
672 #define VIS_CMPHELPER(name, F) \
673 void name##16(void) \
680 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0))? 1: 0; \
681 d.VIS_W64(0) |= F(d.VIS_W64(1), s.VIS_W64(1))? 2: 0; \
682 d.VIS_W64(0) |= F(d.VIS_W64(2), s.VIS_W64(2))? 4: 0; \
683 d.VIS_W64(0) |= F(d.VIS_W64(3), s.VIS_W64(3))? 8: 0; \
688 void name##32(void) \
695 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0))? 1: 0; \
696 d.VIS_L64(0) |= F(d.VIS_L64(1), s.VIS_L64(1))? 2: 0; \
701 #define FCMPGT(a, b) ((a) > (b))
702 #define FCMPEQ(a, b) ((a) == (b))
703 #define FCMPLE(a, b) ((a) <= (b))
704 #define FCMPNE(a, b) ((a) != (b))
706 VIS_CMPHELPER(helper_fcmpgt, FCMPGT)
707 VIS_CMPHELPER(helper_fcmpeq, FCMPEQ)
708 VIS_CMPHELPER(helper_fcmple, FCMPLE)
709 VIS_CMPHELPER(helper_fcmpne, FCMPNE)
712 void helper_check_ieee_exceptions(void)
716 status = get_float_exception_flags(&env->fp_status);
718 /* Copy IEEE 754 flags into FSR */
719 if (status & float_flag_invalid)
721 if (status & float_flag_overflow)
723 if (status & float_flag_underflow)
725 if (status & float_flag_divbyzero)
727 if (status & float_flag_inexact)
730 if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) {
731 /* Unmasked exception, generate a trap */
732 env->fsr |= FSR_FTT_IEEE_EXCP;
733 raise_exception(TT_FP_EXCP);
735 /* Accumulate exceptions */
736 env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5;
741 void helper_clear_float_exceptions(void)
743 set_float_exception_flags(0, &env->fp_status);
746 float32 helper_fabss(float32 src)
748 return float32_abs(src);
751 #ifdef TARGET_SPARC64
752 void helper_fabsd(void)
754 DT0 = float64_abs(DT1);
757 void helper_fabsq(void)
759 QT0 = float128_abs(QT1);
763 float32 helper_fsqrts(float32 src)
765 return float32_sqrt(src, &env->fp_status);
768 void helper_fsqrtd(void)
770 DT0 = float64_sqrt(DT1, &env->fp_status);
773 void helper_fsqrtq(void)
775 QT0 = float128_sqrt(QT1, &env->fp_status);
778 #define GEN_FCMP(name, size, reg1, reg2, FS, TRAP) \
779 void glue(helper_, name) (void) \
781 target_ulong new_fsr; \
783 env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
784 switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
785 case float_relation_unordered: \
786 new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \
787 if ((env->fsr & FSR_NVM) || TRAP) { \
788 env->fsr |= new_fsr; \
789 env->fsr |= FSR_NVC; \
790 env->fsr |= FSR_FTT_IEEE_EXCP; \
791 raise_exception(TT_FP_EXCP); \
793 env->fsr |= FSR_NVA; \
796 case float_relation_less: \
797 new_fsr = FSR_FCC0 << FS; \
799 case float_relation_greater: \
800 new_fsr = FSR_FCC1 << FS; \
806 env->fsr |= new_fsr; \
808 #define GEN_FCMPS(name, size, FS, TRAP) \
809 void glue(helper_, name)(float32 src1, float32 src2) \
811 target_ulong new_fsr; \
813 env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
814 switch (glue(size, _compare) (src1, src2, &env->fp_status)) { \
815 case float_relation_unordered: \
816 new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \
817 if ((env->fsr & FSR_NVM) || TRAP) { \
818 env->fsr |= new_fsr; \
819 env->fsr |= FSR_NVC; \
820 env->fsr |= FSR_FTT_IEEE_EXCP; \
821 raise_exception(TT_FP_EXCP); \
823 env->fsr |= FSR_NVA; \
826 case float_relation_less: \
827 new_fsr = FSR_FCC0 << FS; \
829 case float_relation_greater: \
830 new_fsr = FSR_FCC1 << FS; \
836 env->fsr |= new_fsr; \
839 GEN_FCMPS(fcmps, float32, 0, 0);
840 GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0);
842 GEN_FCMPS(fcmpes, float32, 0, 1);
843 GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1);
845 GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0);
846 GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1);
848 static uint32_t compute_all_flags(void)
850 return env->psr & PSR_ICC;
853 static uint32_t compute_C_flags(void)
855 return env->psr & PSR_CARRY;
858 static inline uint32_t get_NZ_icc(target_ulong dst)
862 if (!(dst & 0xffffffffULL))
864 if ((int32_t) (dst & 0xffffffffULL) < 0)
869 #ifdef TARGET_SPARC64
870 static uint32_t compute_all_flags_xcc(void)
872 return env->xcc & PSR_ICC;
875 static uint32_t compute_C_flags_xcc(void)
877 return env->xcc & PSR_CARRY;
880 static inline uint32_t get_NZ_xcc(target_ulong dst)
886 if ((int64_t)dst < 0)
892 static inline uint32_t get_V_div_icc(target_ulong src2)
901 static uint32_t compute_all_div(void)
905 ret = get_NZ_icc(CC_DST);
906 ret |= get_V_div_icc(CC_SRC2);
910 static uint32_t compute_C_div(void)
915 static inline uint32_t get_C_add_icc(target_ulong dst, target_ulong src1)
919 if ((dst & 0xffffffffULL) < (src1 & 0xffffffffULL))
924 static inline uint32_t get_V_add_icc(target_ulong dst, target_ulong src1,
929 if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 31))
934 static uint32_t compute_all_add(void)
938 ret = get_NZ_icc(CC_DST);
939 ret |= get_C_add_icc(CC_DST, CC_SRC);
940 ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2);
944 static uint32_t compute_C_add(void)
946 return get_C_add_icc(CC_DST, CC_SRC);
949 #ifdef TARGET_SPARC64
950 static inline uint32_t get_C_add_xcc(target_ulong dst, target_ulong src1)
959 static inline uint32_t get_V_add_xcc(target_ulong dst, target_ulong src1,
964 if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 63))
969 static uint32_t compute_all_add_xcc(void)
973 ret = get_NZ_xcc(CC_DST);
974 ret |= get_C_add_xcc(CC_DST, CC_SRC);
975 ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2);
979 static uint32_t compute_C_add_xcc(void)
981 return get_C_add_xcc(CC_DST, CC_SRC);
985 static uint32_t compute_all_addx(void)
989 ret = get_NZ_icc(CC_DST);
990 ret |= get_C_add_icc(CC_DST - CC_SRC2, CC_SRC);
991 ret |= get_C_add_icc(CC_DST, CC_SRC);
992 ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2);
996 static uint32_t compute_C_addx(void)
1000 ret = get_C_add_icc(CC_DST - CC_SRC2, CC_SRC);
1001 ret |= get_C_add_icc(CC_DST, CC_SRC);
1005 #ifdef TARGET_SPARC64
1006 static uint32_t compute_all_addx_xcc(void)
1010 ret = get_NZ_xcc(CC_DST);
1011 ret |= get_C_add_xcc(CC_DST - CC_SRC2, CC_SRC);
1012 ret |= get_C_add_xcc(CC_DST, CC_SRC);
1013 ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2);
1017 static uint32_t compute_C_addx_xcc(void)
1021 ret = get_C_add_xcc(CC_DST - CC_SRC2, CC_SRC);
1022 ret |= get_C_add_xcc(CC_DST, CC_SRC);
1027 static inline uint32_t get_V_tag_icc(target_ulong src1, target_ulong src2)
1031 if ((src1 | src2) & 0x3)
1036 static uint32_t compute_all_tadd(void)
1040 ret = get_NZ_icc(CC_DST);
1041 ret |= get_C_add_icc(CC_DST, CC_SRC);
1042 ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2);
1043 ret |= get_V_tag_icc(CC_SRC, CC_SRC2);
1047 static uint32_t compute_C_tadd(void)
1049 return get_C_add_icc(CC_DST, CC_SRC);
1052 static uint32_t compute_all_taddtv(void)
1056 ret = get_NZ_icc(CC_DST);
1057 ret |= get_C_add_icc(CC_DST, CC_SRC);
1061 static uint32_t compute_C_taddtv(void)
1063 return get_C_add_icc(CC_DST, CC_SRC);
1066 static inline uint32_t get_C_sub_icc(target_ulong src1, target_ulong src2)
1070 if ((src1 & 0xffffffffULL) < (src2 & 0xffffffffULL))
1075 static inline uint32_t get_V_sub_icc(target_ulong dst, target_ulong src1,
1080 if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 31))
1085 static uint32_t compute_all_sub(void)
1089 ret = get_NZ_icc(CC_DST);
1090 ret |= get_C_sub_icc(CC_SRC, CC_SRC2);
1091 ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
1095 static uint32_t compute_C_sub(void)
1097 return get_C_sub_icc(CC_SRC, CC_SRC2);
1100 #ifdef TARGET_SPARC64
1101 static inline uint32_t get_C_sub_xcc(target_ulong src1, target_ulong src2)
1110 static inline uint32_t get_V_sub_xcc(target_ulong dst, target_ulong src1,
1115 if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 63))
1120 static uint32_t compute_all_sub_xcc(void)
1124 ret = get_NZ_xcc(CC_DST);
1125 ret |= get_C_sub_xcc(CC_SRC, CC_SRC2);
1126 ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2);
1130 static uint32_t compute_C_sub_xcc(void)
1132 return get_C_sub_xcc(CC_SRC, CC_SRC2);
1136 static uint32_t compute_all_subx(void)
1140 ret = get_NZ_icc(CC_DST);
1141 ret |= get_C_sub_icc(CC_DST - CC_SRC2, CC_SRC);
1142 ret |= get_C_sub_icc(CC_DST, CC_SRC2);
1143 ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
1147 static uint32_t compute_C_subx(void)
1151 ret = get_C_sub_icc(CC_DST - CC_SRC2, CC_SRC);
1152 ret |= get_C_sub_icc(CC_DST, CC_SRC2);
1156 #ifdef TARGET_SPARC64
1157 static uint32_t compute_all_subx_xcc(void)
1161 ret = get_NZ_xcc(CC_DST);
1162 ret |= get_C_sub_xcc(CC_DST - CC_SRC2, CC_SRC);
1163 ret |= get_C_sub_xcc(CC_DST, CC_SRC2);
1164 ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2);
1168 static uint32_t compute_C_subx_xcc(void)
1172 ret = get_C_sub_xcc(CC_DST - CC_SRC2, CC_SRC);
1173 ret |= get_C_sub_xcc(CC_DST, CC_SRC2);
1178 static uint32_t compute_all_tsub(void)
1182 ret = get_NZ_icc(CC_DST);
1183 ret |= get_C_sub_icc(CC_DST, CC_SRC);
1184 ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
1185 ret |= get_V_tag_icc(CC_SRC, CC_SRC2);
1189 static uint32_t compute_C_tsub(void)
1191 return get_C_sub_icc(CC_DST, CC_SRC);
1194 static uint32_t compute_all_tsubtv(void)
1198 ret = get_NZ_icc(CC_DST);
1199 ret |= get_C_sub_icc(CC_DST, CC_SRC);
1203 static uint32_t compute_C_tsubtv(void)
1205 return get_C_sub_icc(CC_DST, CC_SRC);
1208 static uint32_t compute_all_logic(void)
1210 return get_NZ_icc(CC_DST);
1213 static uint32_t compute_C_logic(void)
1218 #ifdef TARGET_SPARC64
1219 static uint32_t compute_all_logic_xcc(void)
1221 return get_NZ_xcc(CC_DST);
1225 typedef struct CCTable {
1226 uint32_t (*compute_all)(void); /* return all the flags */
1227 uint32_t (*compute_c)(void); /* return the C flag */
1230 static const CCTable icc_table[CC_OP_NB] = {
1231 /* CC_OP_DYNAMIC should never happen */
1232 [CC_OP_FLAGS] = { compute_all_flags, compute_C_flags },
1233 [CC_OP_DIV] = { compute_all_div, compute_C_div },
1234 [CC_OP_ADD] = { compute_all_add, compute_C_add },
1235 [CC_OP_ADDX] = { compute_all_addx, compute_C_addx },
1236 [CC_OP_TADD] = { compute_all_tadd, compute_C_tadd },
1237 [CC_OP_TADDTV] = { compute_all_taddtv, compute_C_taddtv },
1238 [CC_OP_SUB] = { compute_all_sub, compute_C_sub },
1239 [CC_OP_SUBX] = { compute_all_subx, compute_C_subx },
1240 [CC_OP_TSUB] = { compute_all_tsub, compute_C_tsub },
1241 [CC_OP_TSUBTV] = { compute_all_tsubtv, compute_C_tsubtv },
1242 [CC_OP_LOGIC] = { compute_all_logic, compute_C_logic },
1245 #ifdef TARGET_SPARC64
1246 static const CCTable xcc_table[CC_OP_NB] = {
1247 /* CC_OP_DYNAMIC should never happen */
1248 [CC_OP_FLAGS] = { compute_all_flags_xcc, compute_C_flags_xcc },
1249 [CC_OP_DIV] = { compute_all_logic_xcc, compute_C_logic },
1250 [CC_OP_ADD] = { compute_all_add_xcc, compute_C_add_xcc },
1251 [CC_OP_ADDX] = { compute_all_addx_xcc, compute_C_addx_xcc },
1252 [CC_OP_TADD] = { compute_all_add_xcc, compute_C_add_xcc },
1253 [CC_OP_TADDTV] = { compute_all_add_xcc, compute_C_add_xcc },
1254 [CC_OP_SUB] = { compute_all_sub_xcc, compute_C_sub_xcc },
1255 [CC_OP_SUBX] = { compute_all_subx_xcc, compute_C_subx_xcc },
1256 [CC_OP_TSUB] = { compute_all_sub_xcc, compute_C_sub_xcc },
1257 [CC_OP_TSUBTV] = { compute_all_sub_xcc, compute_C_sub_xcc },
1258 [CC_OP_LOGIC] = { compute_all_logic_xcc, compute_C_logic },
1262 void helper_compute_psr(void)
1266 new_psr = icc_table[CC_OP].compute_all();
1268 #ifdef TARGET_SPARC64
1269 new_psr = xcc_table[CC_OP].compute_all();
1272 CC_OP = CC_OP_FLAGS;
1275 uint32_t helper_compute_C_icc(void)
1279 ret = icc_table[CC_OP].compute_c() >> PSR_CARRY_SHIFT;
1283 #ifdef TARGET_SPARC64
1284 GEN_FCMPS(fcmps_fcc1, float32, 22, 0);
1285 GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
1286 GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
1288 GEN_FCMPS(fcmps_fcc2, float32, 24, 0);
1289 GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
1290 GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
1292 GEN_FCMPS(fcmps_fcc3, float32, 26, 0);
1293 GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
1294 GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
1296 GEN_FCMPS(fcmpes_fcc1, float32, 22, 1);
1297 GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
1298 GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
1300 GEN_FCMPS(fcmpes_fcc2, float32, 24, 1);
1301 GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
1302 GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
1304 GEN_FCMPS(fcmpes_fcc3, float32, 26, 1);
1305 GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
1306 GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
1310 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
1312 static void dump_mxcc(CPUState *env)
1314 printf("mxccdata: %016" PRIx64 " %016" PRIx64 " %016" PRIx64 " %016" PRIx64
1316 env->mxccdata[0], env->mxccdata[1],
1317 env->mxccdata[2], env->mxccdata[3]);
1318 printf("mxccregs: %016" PRIx64 " %016" PRIx64 " %016" PRIx64 " %016" PRIx64
1320 " %016" PRIx64 " %016" PRIx64 " %016" PRIx64 " %016" PRIx64
1322 env->mxccregs[0], env->mxccregs[1],
1323 env->mxccregs[2], env->mxccregs[3],
1324 env->mxccregs[4], env->mxccregs[5],
1325 env->mxccregs[6], env->mxccregs[7]);
1329 #if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
1330 && defined(DEBUG_ASI)
1331 static void dump_asi(const char *txt, target_ulong addr, int asi, int size,
1337 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt,
1338 addr, asi, r1 & 0xff);
1341 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt,
1342 addr, asi, r1 & 0xffff);
1345 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt,
1346 addr, asi, r1 & 0xffffffff);
1349 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt,
1356 #ifndef TARGET_SPARC64
1357 #ifndef CONFIG_USER_ONLY
1358 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1361 #if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
1362 uint32_t last_addr = addr;
1365 helper_check_align(addr, size - 1);
1367 case 2: /* SuperSparc MXCC registers */
1369 case 0x01c00a00: /* MXCC control register */
1371 ret = env->mxccregs[3];
1373 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1376 case 0x01c00a04: /* MXCC control register */
1378 ret = env->mxccregs[3];
1380 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1383 case 0x01c00c00: /* Module reset register */
1385 ret = env->mxccregs[5];
1386 // should we do something here?
1388 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1391 case 0x01c00f00: /* MBus port address register */
1393 ret = env->mxccregs[7];
1395 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1399 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1403 DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
1404 "addr = %08x -> ret = %" PRIx64 ","
1405 "addr = %08x\n", asi, size, sign, last_addr, ret, addr);
1410 case 3: /* MMU probe */
1414 mmulev = (addr >> 8) & 15;
1418 ret = mmu_probe(env, addr, mmulev);
1419 DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n",
1423 case 4: /* read MMU regs */
1425 int reg = (addr >> 8) & 0x1f;
1427 ret = env->mmuregs[reg];
1428 if (reg == 3) /* Fault status cleared on read */
1429 env->mmuregs[3] = 0;
1430 else if (reg == 0x13) /* Fault status read */
1431 ret = env->mmuregs[3];
1432 else if (reg == 0x14) /* Fault address read */
1433 ret = env->mmuregs[4];
1434 DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret);
1437 case 5: // Turbosparc ITLB Diagnostic
1438 case 6: // Turbosparc DTLB Diagnostic
1439 case 7: // Turbosparc IOTLB Diagnostic
1441 case 9: /* Supervisor code access */
1444 ret = ldub_code(addr);
1447 ret = lduw_code(addr);
1451 ret = ldl_code(addr);
1454 ret = ldq_code(addr);
1458 case 0xa: /* User data access */
1461 ret = ldub_user(addr);
1464 ret = lduw_user(addr);
1468 ret = ldl_user(addr);
1471 ret = ldq_user(addr);
1475 case 0xb: /* Supervisor data access */
1478 ret = ldub_kernel(addr);
1481 ret = lduw_kernel(addr);
1485 ret = ldl_kernel(addr);
1488 ret = ldq_kernel(addr);
1492 case 0xc: /* I-cache tag */
1493 case 0xd: /* I-cache data */
1494 case 0xe: /* D-cache tag */
1495 case 0xf: /* D-cache data */
1497 case 0x20: /* MMU passthrough */
1500 ret = ldub_phys(addr);
1503 ret = lduw_phys(addr);
1507 ret = ldl_phys(addr);
1510 ret = ldq_phys(addr);
1514 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1517 ret = ldub_phys((target_phys_addr_t)addr
1518 | ((target_phys_addr_t)(asi & 0xf) << 32));
1521 ret = lduw_phys((target_phys_addr_t)addr
1522 | ((target_phys_addr_t)(asi & 0xf) << 32));
1526 ret = ldl_phys((target_phys_addr_t)addr
1527 | ((target_phys_addr_t)(asi & 0xf) << 32));
1530 ret = ldq_phys((target_phys_addr_t)addr
1531 | ((target_phys_addr_t)(asi & 0xf) << 32));
1535 case 0x30: // Turbosparc secondary cache diagnostic
1536 case 0x31: // Turbosparc RAM snoop
1537 case 0x32: // Turbosparc page table descriptor diagnostic
1538 case 0x39: /* data cache diagnostic register */
1541 case 0x38: /* SuperSPARC MMU Breakpoint Control Registers */
1543 int reg = (addr >> 8) & 3;
1546 case 0: /* Breakpoint Value (Addr) */
1547 ret = env->mmubpregs[reg];
1549 case 1: /* Breakpoint Mask */
1550 ret = env->mmubpregs[reg];
1552 case 2: /* Breakpoint Control */
1553 ret = env->mmubpregs[reg];
1555 case 3: /* Breakpoint Status */
1556 ret = env->mmubpregs[reg];
1557 env->mmubpregs[reg] = 0ULL;
1560 DPRINTF_MMU("read breakpoint reg[%d] 0x%016" PRIx64 "\n", reg,
1564 case 8: /* User code access, XXX */
1566 do_unassigned_access(addr, 0, 0, asi, size);
1576 ret = (int16_t) ret;
1579 ret = (int32_t) ret;
1586 dump_asi("read ", last_addr, asi, size, ret);
1591 void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size)
1593 helper_check_align(addr, size - 1);
1595 case 2: /* SuperSparc MXCC registers */
1597 case 0x01c00000: /* MXCC stream data register 0 */
1599 env->mxccdata[0] = val;
1601 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1604 case 0x01c00008: /* MXCC stream data register 1 */
1606 env->mxccdata[1] = val;
1608 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1611 case 0x01c00010: /* MXCC stream data register 2 */
1613 env->mxccdata[2] = val;
1615 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1618 case 0x01c00018: /* MXCC stream data register 3 */
1620 env->mxccdata[3] = val;
1622 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1625 case 0x01c00100: /* MXCC stream source */
1627 env->mxccregs[0] = val;
1629 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1631 env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1633 env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1635 env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1637 env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1640 case 0x01c00200: /* MXCC stream destination */
1642 env->mxccregs[1] = val;
1644 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1646 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0,
1648 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8,
1650 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16,
1652 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24,
1655 case 0x01c00a00: /* MXCC control register */
1657 env->mxccregs[3] = val;
1659 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1662 case 0x01c00a04: /* MXCC control register */
1664 env->mxccregs[3] = (env->mxccregs[3] & 0xffffffff00000000ULL)
1667 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1670 case 0x01c00e00: /* MXCC error register */
1671 // writing a 1 bit clears the error
1673 env->mxccregs[6] &= ~val;
1675 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1678 case 0x01c00f00: /* MBus port address register */
1680 env->mxccregs[7] = val;
1682 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1686 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1690 DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %" PRIx64 "\n",
1691 asi, size, addr, val);
1696 case 3: /* MMU flush */
1700 mmulev = (addr >> 8) & 15;
1701 DPRINTF_MMU("mmu flush level %d\n", mmulev);
1703 case 0: // flush page
1704 tlb_flush_page(env, addr & 0xfffff000);
1706 case 1: // flush segment (256k)
1707 case 2: // flush region (16M)
1708 case 3: // flush context (4G)
1709 case 4: // flush entire
1720 case 4: /* write MMU regs */
1722 int reg = (addr >> 8) & 0x1f;
1725 oldreg = env->mmuregs[reg];
1727 case 0: // Control Register
1728 env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
1730 // Mappings generated during no-fault mode or MMU
1731 // disabled mode are invalid in normal mode
1732 if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) !=
1733 (env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm)))
1736 case 1: // Context Table Pointer Register
1737 env->mmuregs[reg] = val & env->def->mmu_ctpr_mask;
1739 case 2: // Context Register
1740 env->mmuregs[reg] = val & env->def->mmu_cxr_mask;
1741 if (oldreg != env->mmuregs[reg]) {
1742 /* we flush when the MMU context changes because
1743 QEMU has no MMU context support */
1747 case 3: // Synchronous Fault Status Register with Clear
1748 case 4: // Synchronous Fault Address Register
1750 case 0x10: // TLB Replacement Control Register
1751 env->mmuregs[reg] = val & env->def->mmu_trcr_mask;
1753 case 0x13: // Synchronous Fault Status Register with Read and Clear
1754 env->mmuregs[3] = val & env->def->mmu_sfsr_mask;
1756 case 0x14: // Synchronous Fault Address Register
1757 env->mmuregs[4] = val;
1760 env->mmuregs[reg] = val;
1763 if (oldreg != env->mmuregs[reg]) {
1764 DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
1765 reg, oldreg, env->mmuregs[reg]);
1772 case 5: // Turbosparc ITLB Diagnostic
1773 case 6: // Turbosparc DTLB Diagnostic
1774 case 7: // Turbosparc IOTLB Diagnostic
1776 case 0xa: /* User data access */
1779 stb_user(addr, val);
1782 stw_user(addr, val);
1786 stl_user(addr, val);
1789 stq_user(addr, val);
1793 case 0xb: /* Supervisor data access */
1796 stb_kernel(addr, val);
1799 stw_kernel(addr, val);
1803 stl_kernel(addr, val);
1806 stq_kernel(addr, val);
1810 case 0xc: /* I-cache tag */
1811 case 0xd: /* I-cache data */
1812 case 0xe: /* D-cache tag */
1813 case 0xf: /* D-cache data */
1814 case 0x10: /* I/D-cache flush page */
1815 case 0x11: /* I/D-cache flush segment */
1816 case 0x12: /* I/D-cache flush region */
1817 case 0x13: /* I/D-cache flush context */
1818 case 0x14: /* I/D-cache flush user */
1820 case 0x17: /* Block copy, sta access */
1826 uint32_t src = val & ~3, dst = addr & ~3, temp;
1828 for (i = 0; i < 32; i += 4, src += 4, dst += 4) {
1829 temp = ldl_kernel(src);
1830 stl_kernel(dst, temp);
1834 case 0x1f: /* Block fill, stda access */
1837 // fill 32 bytes with val
1839 uint32_t dst = addr & 7;
1841 for (i = 0; i < 32; i += 8, dst += 8)
1842 stq_kernel(dst, val);
1845 case 0x20: /* MMU passthrough */
1849 stb_phys(addr, val);
1852 stw_phys(addr, val);
1856 stl_phys(addr, val);
1859 stq_phys(addr, val);
1864 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1868 stb_phys((target_phys_addr_t)addr
1869 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1872 stw_phys((target_phys_addr_t)addr
1873 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1877 stl_phys((target_phys_addr_t)addr
1878 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1881 stq_phys((target_phys_addr_t)addr
1882 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1887 case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic
1888 case 0x31: // store buffer data, Ross RT620 I-cache flush or
1889 // Turbosparc snoop RAM
1890 case 0x32: // store buffer control or Turbosparc page table
1891 // descriptor diagnostic
1892 case 0x36: /* I-cache flash clear */
1893 case 0x37: /* D-cache flash clear */
1894 case 0x4c: /* breakpoint action */
1896 case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/
1898 int reg = (addr >> 8) & 3;
1901 case 0: /* Breakpoint Value (Addr) */
1902 env->mmubpregs[reg] = (val & 0xfffffffffULL);
1904 case 1: /* Breakpoint Mask */
1905 env->mmubpregs[reg] = (val & 0xfffffffffULL);
1907 case 2: /* Breakpoint Control */
1908 env->mmubpregs[reg] = (val & 0x7fULL);
1910 case 3: /* Breakpoint Status */
1911 env->mmubpregs[reg] = (val & 0xfULL);
1914 DPRINTF_MMU("write breakpoint reg[%d] 0x%016x\n", reg,
1918 case 8: /* User code access, XXX */
1919 case 9: /* Supervisor code access, XXX */
1921 do_unassigned_access(addr, 1, 0, asi, size);
1925 dump_asi("write", addr, asi, size, val);
1929 #endif /* CONFIG_USER_ONLY */
1930 #else /* TARGET_SPARC64 */
1932 #ifdef CONFIG_USER_ONLY
1933 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1936 #if defined(DEBUG_ASI)
1937 target_ulong last_addr = addr;
1941 raise_exception(TT_PRIV_ACT);
1943 helper_check_align(addr, size - 1);
1944 address_mask(env, &addr);
1947 case 0x82: // Primary no-fault
1948 case 0x8a: // Primary no-fault LE
1949 if (page_check_range(addr, size, PAGE_READ) == -1) {
1951 dump_asi("read ", last_addr, asi, size, ret);
1956 case 0x80: // Primary
1957 case 0x88: // Primary LE
1961 ret = ldub_raw(addr);
1964 ret = lduw_raw(addr);
1967 ret = ldl_raw(addr);
1971 ret = ldq_raw(addr);
1976 case 0x83: // Secondary no-fault
1977 case 0x8b: // Secondary no-fault LE
1978 if (page_check_range(addr, size, PAGE_READ) == -1) {
1980 dump_asi("read ", last_addr, asi, size, ret);
1985 case 0x81: // Secondary
1986 case 0x89: // Secondary LE
1993 /* Convert from little endian */
1995 case 0x88: // Primary LE
1996 case 0x89: // Secondary LE
1997 case 0x8a: // Primary no-fault LE
1998 case 0x8b: // Secondary no-fault LE
2016 /* Convert to signed number */
2023 ret = (int16_t) ret;
2026 ret = (int32_t) ret;
2033 dump_asi("read ", last_addr, asi, size, ret);
2038 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
2041 dump_asi("write", addr, asi, size, val);
2044 raise_exception(TT_PRIV_ACT);
2046 helper_check_align(addr, size - 1);
2047 address_mask(env, &addr);
2049 /* Convert to little endian */
2051 case 0x88: // Primary LE
2052 case 0x89: // Secondary LE
2071 case 0x80: // Primary
2072 case 0x88: // Primary LE
2091 case 0x81: // Secondary
2092 case 0x89: // Secondary LE
2096 case 0x82: // Primary no-fault, RO
2097 case 0x83: // Secondary no-fault, RO
2098 case 0x8a: // Primary no-fault LE, RO
2099 case 0x8b: // Secondary no-fault LE, RO
2101 do_unassigned_access(addr, 1, 0, 1, size);
2106 #else /* CONFIG_USER_ONLY */
2108 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
2111 #if defined(DEBUG_ASI)
2112 target_ulong last_addr = addr;
2115 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2116 || ((env->def->features & CPU_FEATURE_HYPV)
2117 && asi >= 0x30 && asi < 0x80
2118 && !(env->hpstate & HS_PRIV)))
2119 raise_exception(TT_PRIV_ACT);
2121 helper_check_align(addr, size - 1);
2123 case 0x82: // Primary no-fault
2124 case 0x8a: // Primary no-fault LE
2125 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
2127 dump_asi("read ", last_addr, asi, size, ret);
2132 case 0x10: // As if user primary
2133 case 0x18: // As if user primary LE
2134 case 0x80: // Primary
2135 case 0x88: // Primary LE
2136 case 0xe2: // UA2007 Primary block init
2137 case 0xe3: // UA2007 Secondary block init
2138 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
2139 if ((env->def->features & CPU_FEATURE_HYPV)
2140 && env->hpstate & HS_PRIV) {
2143 ret = ldub_hypv(addr);
2146 ret = lduw_hypv(addr);
2149 ret = ldl_hypv(addr);
2153 ret = ldq_hypv(addr);
2159 ret = ldub_kernel(addr);
2162 ret = lduw_kernel(addr);
2165 ret = ldl_kernel(addr);
2169 ret = ldq_kernel(addr);
2176 ret = ldub_user(addr);
2179 ret = lduw_user(addr);
2182 ret = ldl_user(addr);
2186 ret = ldq_user(addr);
2191 case 0x14: // Bypass
2192 case 0x15: // Bypass, non-cacheable
2193 case 0x1c: // Bypass LE
2194 case 0x1d: // Bypass, non-cacheable LE
2198 ret = ldub_phys(addr);
2201 ret = lduw_phys(addr);
2204 ret = ldl_phys(addr);
2208 ret = ldq_phys(addr);
2213 case 0x24: // Nucleus quad LDD 128 bit atomic
2214 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2215 // Only ldda allowed
2216 raise_exception(TT_ILL_INSN);
2218 case 0x83: // Secondary no-fault
2219 case 0x8b: // Secondary no-fault LE
2220 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
2222 dump_asi("read ", last_addr, asi, size, ret);
2227 case 0x04: // Nucleus
2228 case 0x0c: // Nucleus Little Endian (LE)
2229 case 0x11: // As if user secondary
2230 case 0x19: // As if user secondary LE
2231 case 0x4a: // UPA config
2232 case 0x81: // Secondary
2233 case 0x89: // Secondary LE
2239 case 0x50: // I-MMU regs
2241 int reg = (addr >> 3) & 0xf;
2244 // I-TSB Tag Target register
2245 ret = ultrasparc_tag_target(env->immu.tag_access);
2247 ret = env->immuregs[reg];
2252 case 0x51: // I-MMU 8k TSB pointer
2254 // env->immuregs[5] holds I-MMU TSB register value
2255 // env->immuregs[6] holds I-MMU Tag Access register value
2256 ret = ultrasparc_tsb_pointer(env->immu.tsb, env->immu.tag_access,
2260 case 0x52: // I-MMU 64k TSB pointer
2262 // env->immuregs[5] holds I-MMU TSB register value
2263 // env->immuregs[6] holds I-MMU Tag Access register value
2264 ret = ultrasparc_tsb_pointer(env->immu.tsb, env->immu.tag_access,
2268 case 0x55: // I-MMU data access
2270 int reg = (addr >> 3) & 0x3f;
2272 ret = env->itlb[reg].tte;
2275 case 0x56: // I-MMU tag read
2277 int reg = (addr >> 3) & 0x3f;
2279 ret = env->itlb[reg].tag;
2282 case 0x58: // D-MMU regs
2284 int reg = (addr >> 3) & 0xf;
2287 // D-TSB Tag Target register
2288 ret = ultrasparc_tag_target(env->dmmu.tag_access);
2290 ret = env->dmmuregs[reg];
2294 case 0x59: // D-MMU 8k TSB pointer
2296 // env->dmmuregs[5] holds D-MMU TSB register value
2297 // env->dmmuregs[6] holds D-MMU Tag Access register value
2298 ret = ultrasparc_tsb_pointer(env->dmmu.tsb, env->dmmu.tag_access,
2302 case 0x5a: // D-MMU 64k TSB pointer
2304 // env->dmmuregs[5] holds D-MMU TSB register value
2305 // env->dmmuregs[6] holds D-MMU Tag Access register value
2306 ret = ultrasparc_tsb_pointer(env->dmmu.tsb, env->dmmu.tag_access,
2310 case 0x5d: // D-MMU data access
2312 int reg = (addr >> 3) & 0x3f;
2314 ret = env->dtlb[reg].tte;
2317 case 0x5e: // D-MMU tag read
2319 int reg = (addr >> 3) & 0x3f;
2321 ret = env->dtlb[reg].tag;
2324 case 0x46: // D-cache data
2325 case 0x47: // D-cache tag access
2326 case 0x4b: // E-cache error enable
2327 case 0x4c: // E-cache asynchronous fault status
2328 case 0x4d: // E-cache asynchronous fault address
2329 case 0x4e: // E-cache tag data
2330 case 0x66: // I-cache instruction access
2331 case 0x67: // I-cache tag access
2332 case 0x6e: // I-cache predecode
2333 case 0x6f: // I-cache LRU etc.
2334 case 0x76: // E-cache tag
2335 case 0x7e: // E-cache tag
2337 case 0x5b: // D-MMU data pointer
2338 case 0x48: // Interrupt dispatch, RO
2339 case 0x49: // Interrupt data receive
2340 case 0x7f: // Incoming interrupt vector, RO
2343 case 0x54: // I-MMU data in, WO
2344 case 0x57: // I-MMU demap, WO
2345 case 0x5c: // D-MMU data in, WO
2346 case 0x5f: // D-MMU demap, WO
2347 case 0x77: // Interrupt vector, WO
2349 do_unassigned_access(addr, 0, 0, 1, size);
2354 /* Convert from little endian */
2356 case 0x0c: // Nucleus Little Endian (LE)
2357 case 0x18: // As if user primary LE
2358 case 0x19: // As if user secondary LE
2359 case 0x1c: // Bypass LE
2360 case 0x1d: // Bypass, non-cacheable LE
2361 case 0x88: // Primary LE
2362 case 0x89: // Secondary LE
2363 case 0x8a: // Primary no-fault LE
2364 case 0x8b: // Secondary no-fault LE
2382 /* Convert to signed number */
2389 ret = (int16_t) ret;
2392 ret = (int32_t) ret;
2399 dump_asi("read ", last_addr, asi, size, ret);
2404 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
2407 dump_asi("write", addr, asi, size, val);
2409 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2410 || ((env->def->features & CPU_FEATURE_HYPV)
2411 && asi >= 0x30 && asi < 0x80
2412 && !(env->hpstate & HS_PRIV)))
2413 raise_exception(TT_PRIV_ACT);
2415 helper_check_align(addr, size - 1);
2416 /* Convert to little endian */
2418 case 0x0c: // Nucleus Little Endian (LE)
2419 case 0x18: // As if user primary LE
2420 case 0x19: // As if user secondary LE
2421 case 0x1c: // Bypass LE
2422 case 0x1d: // Bypass, non-cacheable LE
2423 case 0x88: // Primary LE
2424 case 0x89: // Secondary LE
2443 case 0x10: // As if user primary
2444 case 0x18: // As if user primary LE
2445 case 0x80: // Primary
2446 case 0x88: // Primary LE
2447 case 0xe2: // UA2007 Primary block init
2448 case 0xe3: // UA2007 Secondary block init
2449 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
2450 if ((env->def->features & CPU_FEATURE_HYPV)
2451 && env->hpstate & HS_PRIV) {
2454 stb_hypv(addr, val);
2457 stw_hypv(addr, val);
2460 stl_hypv(addr, val);
2464 stq_hypv(addr, val);
2470 stb_kernel(addr, val);
2473 stw_kernel(addr, val);
2476 stl_kernel(addr, val);
2480 stq_kernel(addr, val);
2487 stb_user(addr, val);
2490 stw_user(addr, val);
2493 stl_user(addr, val);
2497 stq_user(addr, val);
2502 case 0x14: // Bypass
2503 case 0x15: // Bypass, non-cacheable
2504 case 0x1c: // Bypass LE
2505 case 0x1d: // Bypass, non-cacheable LE
2509 stb_phys(addr, val);
2512 stw_phys(addr, val);
2515 stl_phys(addr, val);
2519 stq_phys(addr, val);
2524 case 0x24: // Nucleus quad LDD 128 bit atomic
2525 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2526 // Only ldda allowed
2527 raise_exception(TT_ILL_INSN);
2529 case 0x04: // Nucleus
2530 case 0x0c: // Nucleus Little Endian (LE)
2531 case 0x11: // As if user secondary
2532 case 0x19: // As if user secondary LE
2533 case 0x4a: // UPA config
2534 case 0x81: // Secondary
2535 case 0x89: // Secondary LE
2543 env->lsu = val & (DMMU_E | IMMU_E);
2544 // Mappings generated during D/I MMU disabled mode are
2545 // invalid in normal mode
2546 if (oldreg != env->lsu) {
2547 DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n",
2556 case 0x50: // I-MMU regs
2558 int reg = (addr >> 3) & 0xf;
2561 oldreg = env->immuregs[reg];
2565 case 1: // Not in I-MMU
2570 val = 0; // Clear SFSR
2571 env->immu.sfsr = val;
2575 case 5: // TSB access
2576 DPRINTF_MMU("immu TSB write: 0x%016" PRIx64 " -> 0x%016"
2577 PRIx64 "\n", env->immu.tsb, val);
2578 env->immu.tsb = val;
2580 case 6: // Tag access
2581 env->immu.tag_access = val;
2590 if (oldreg != env->immuregs[reg]) {
2591 DPRINTF_MMU("immu change reg[%d]: 0x%016" PRIx64 " -> 0x%016"
2592 PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
2599 case 0x54: // I-MMU data in
2600 replace_tlb_1bit_lru(env->itlb, env->immu.tag_access, val, "immu", env);
2602 case 0x55: // I-MMU data access
2606 unsigned int i = (addr >> 3) & 0x3f;
2608 replace_tlb_entry(&env->itlb[i], env->immu.tag_access, val, env);
2611 DPRINTF_MMU("immu data access replaced entry [%i]\n", i);
2616 case 0x57: // I-MMU demap
2617 demap_tlb(env->itlb, val, "immu", env);
2619 case 0x58: // D-MMU regs
2621 int reg = (addr >> 3) & 0xf;
2624 oldreg = env->dmmuregs[reg];
2630 if ((val & 1) == 0) {
2631 val = 0; // Clear SFSR, Fault address
2634 env->dmmu.sfsr = val;
2636 case 1: // Primary context
2637 env->dmmu.mmu_primary_context = val;
2639 case 2: // Secondary context
2640 env->dmmu.mmu_secondary_context = val;
2642 case 5: // TSB access
2643 DPRINTF_MMU("dmmu TSB write: 0x%016" PRIx64 " -> 0x%016"
2644 PRIx64 "\n", env->dmmu.tsb, val);
2645 env->dmmu.tsb = val;
2647 case 6: // Tag access
2648 env->dmmu.tag_access = val;
2650 case 7: // Virtual Watchpoint
2651 case 8: // Physical Watchpoint
2653 env->dmmuregs[reg] = val;
2657 if (oldreg != env->dmmuregs[reg]) {
2658 DPRINTF_MMU("dmmu change reg[%d]: 0x%016" PRIx64 " -> 0x%016"
2659 PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
2666 case 0x5c: // D-MMU data in
2667 replace_tlb_1bit_lru(env->dtlb, env->dmmu.tag_access, val, "dmmu", env);
2669 case 0x5d: // D-MMU data access
2671 unsigned int i = (addr >> 3) & 0x3f;
2673 replace_tlb_entry(&env->dtlb[i], env->dmmu.tag_access, val, env);
2676 DPRINTF_MMU("dmmu data access replaced entry [%i]\n", i);
2681 case 0x5f: // D-MMU demap
2682 demap_tlb(env->dtlb, val, "dmmu", env);
2684 case 0x49: // Interrupt data receive
2687 case 0x46: // D-cache data
2688 case 0x47: // D-cache tag access
2689 case 0x4b: // E-cache error enable
2690 case 0x4c: // E-cache asynchronous fault status
2691 case 0x4d: // E-cache asynchronous fault address
2692 case 0x4e: // E-cache tag data
2693 case 0x66: // I-cache instruction access
2694 case 0x67: // I-cache tag access
2695 case 0x6e: // I-cache predecode
2696 case 0x6f: // I-cache LRU etc.
2697 case 0x76: // E-cache tag
2698 case 0x7e: // E-cache tag
2700 case 0x51: // I-MMU 8k TSB pointer, RO
2701 case 0x52: // I-MMU 64k TSB pointer, RO
2702 case 0x56: // I-MMU tag read, RO
2703 case 0x59: // D-MMU 8k TSB pointer, RO
2704 case 0x5a: // D-MMU 64k TSB pointer, RO
2705 case 0x5b: // D-MMU data pointer, RO
2706 case 0x5e: // D-MMU tag read, RO
2707 case 0x48: // Interrupt dispatch, RO
2708 case 0x7f: // Incoming interrupt vector, RO
2709 case 0x82: // Primary no-fault, RO
2710 case 0x83: // Secondary no-fault, RO
2711 case 0x8a: // Primary no-fault LE, RO
2712 case 0x8b: // Secondary no-fault LE, RO
2714 do_unassigned_access(addr, 1, 0, 1, size);
2718 #endif /* CONFIG_USER_ONLY */
2720 void helper_ldda_asi(target_ulong addr, int asi, int rd)
2722 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2723 || ((env->def->features & CPU_FEATURE_HYPV)
2724 && asi >= 0x30 && asi < 0x80
2725 && !(env->hpstate & HS_PRIV)))
2726 raise_exception(TT_PRIV_ACT);
2729 case 0x24: // Nucleus quad LDD 128 bit atomic
2730 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2731 helper_check_align(addr, 0xf);
2733 env->gregs[1] = ldq_kernel(addr + 8);
2735 bswap64s(&env->gregs[1]);
2736 } else if (rd < 8) {
2737 env->gregs[rd] = ldq_kernel(addr);
2738 env->gregs[rd + 1] = ldq_kernel(addr + 8);
2740 bswap64s(&env->gregs[rd]);
2741 bswap64s(&env->gregs[rd + 1]);
2744 env->regwptr[rd] = ldq_kernel(addr);
2745 env->regwptr[rd + 1] = ldq_kernel(addr + 8);
2747 bswap64s(&env->regwptr[rd]);
2748 bswap64s(&env->regwptr[rd + 1]);
2753 helper_check_align(addr, 0x3);
2755 env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0);
2757 env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0);
2758 env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2760 env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0);
2761 env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2767 void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
2772 helper_check_align(addr, 3);
2774 case 0xf0: // Block load primary
2775 case 0xf1: // Block load secondary
2776 case 0xf8: // Block load primary LE
2777 case 0xf9: // Block load secondary LE
2779 raise_exception(TT_ILL_INSN);
2782 helper_check_align(addr, 0x3f);
2783 for (i = 0; i < 16; i++) {
2784 *(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4,
2794 val = helper_ld_asi(addr, asi, size, 0);
2798 *((uint32_t *)&env->fpr[rd]) = val;
2801 *((int64_t *)&DT0) = val;
2809 void helper_stf_asi(target_ulong addr, int asi, int size, int rd)
2812 target_ulong val = 0;
2814 helper_check_align(addr, 3);
2816 case 0xe0: // UA2007 Block commit store primary (cache flush)
2817 case 0xe1: // UA2007 Block commit store secondary (cache flush)
2818 case 0xf0: // Block store primary
2819 case 0xf1: // Block store secondary
2820 case 0xf8: // Block store primary LE
2821 case 0xf9: // Block store secondary LE
2823 raise_exception(TT_ILL_INSN);
2826 helper_check_align(addr, 0x3f);
2827 for (i = 0; i < 16; i++) {
2828 val = *(uint32_t *)&env->fpr[rd++];
2829 helper_st_asi(addr, val, asi & 0x8f, 4);
2841 val = *((uint32_t *)&env->fpr[rd]);
2844 val = *((int64_t *)&DT0);
2850 helper_st_asi(addr, val, asi, size);
2853 target_ulong helper_cas_asi(target_ulong addr, target_ulong val1,
2854 target_ulong val2, uint32_t asi)
2858 val2 &= 0xffffffffUL;
2859 ret = helper_ld_asi(addr, asi, 4, 0);
2860 ret &= 0xffffffffUL;
2862 helper_st_asi(addr, val1 & 0xffffffffUL, asi, 4);
2866 target_ulong helper_casx_asi(target_ulong addr, target_ulong val1,
2867 target_ulong val2, uint32_t asi)
2871 ret = helper_ld_asi(addr, asi, 8, 0);
2873 helper_st_asi(addr, val1, asi, 8);
2876 #endif /* TARGET_SPARC64 */
2878 #ifndef TARGET_SPARC64
2879 void helper_rett(void)
2883 if (env->psret == 1)
2884 raise_exception(TT_ILL_INSN);
2887 cwp = cpu_cwp_inc(env, env->cwp + 1) ;
2888 if (env->wim & (1 << cwp)) {
2889 raise_exception(TT_WIN_UNF);
2892 env->psrs = env->psrps;
2896 target_ulong helper_udiv(target_ulong a, target_ulong b)
2901 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2905 raise_exception(TT_DIV_ZERO);
2909 if (x0 > 0xffffffff) {
2918 target_ulong helper_sdiv(target_ulong a, target_ulong b)
2923 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2927 raise_exception(TT_DIV_ZERO);
2931 if ((int32_t) x0 != x0) {
2933 return x0 < 0? 0x80000000: 0x7fffffff;
2940 void helper_stdf(target_ulong addr, int mem_idx)
2942 helper_check_align(addr, 7);
2943 #if !defined(CONFIG_USER_ONLY)
2946 stfq_user(addr, DT0);
2949 stfq_kernel(addr, DT0);
2951 #ifdef TARGET_SPARC64
2953 stfq_hypv(addr, DT0);
2960 address_mask(env, &addr);
2961 stfq_raw(addr, DT0);
2965 void helper_lddf(target_ulong addr, int mem_idx)
2967 helper_check_align(addr, 7);
2968 #if !defined(CONFIG_USER_ONLY)
2971 DT0 = ldfq_user(addr);
2974 DT0 = ldfq_kernel(addr);
2976 #ifdef TARGET_SPARC64
2978 DT0 = ldfq_hypv(addr);
2985 address_mask(env, &addr);
2986 DT0 = ldfq_raw(addr);
2990 void helper_ldqf(target_ulong addr, int mem_idx)
2992 // XXX add 128 bit load
2995 helper_check_align(addr, 7);
2996 #if !defined(CONFIG_USER_ONLY)
2999 u.ll.upper = ldq_user(addr);
3000 u.ll.lower = ldq_user(addr + 8);
3004 u.ll.upper = ldq_kernel(addr);
3005 u.ll.lower = ldq_kernel(addr + 8);
3008 #ifdef TARGET_SPARC64
3010 u.ll.upper = ldq_hypv(addr);
3011 u.ll.lower = ldq_hypv(addr + 8);
3019 address_mask(env, &addr);
3020 u.ll.upper = ldq_raw(addr);
3021 u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL);
3026 void helper_stqf(target_ulong addr, int mem_idx)
3028 // XXX add 128 bit store
3031 helper_check_align(addr, 7);
3032 #if !defined(CONFIG_USER_ONLY)
3036 stq_user(addr, u.ll.upper);
3037 stq_user(addr + 8, u.ll.lower);
3041 stq_kernel(addr, u.ll.upper);
3042 stq_kernel(addr + 8, u.ll.lower);
3044 #ifdef TARGET_SPARC64
3047 stq_hypv(addr, u.ll.upper);
3048 stq_hypv(addr + 8, u.ll.lower);
3056 address_mask(env, &addr);
3057 stq_raw(addr, u.ll.upper);
3058 stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower);
3062 static inline void set_fsr(void)
3066 switch (env->fsr & FSR_RD_MASK) {
3067 case FSR_RD_NEAREST:
3068 rnd_mode = float_round_nearest_even;
3072 rnd_mode = float_round_to_zero;
3075 rnd_mode = float_round_up;
3078 rnd_mode = float_round_down;
3081 set_float_rounding_mode(rnd_mode, &env->fp_status);
3084 void helper_ldfsr(uint32_t new_fsr)
3086 env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK);
3090 #ifdef TARGET_SPARC64
3091 void helper_ldxfsr(uint64_t new_fsr)
3093 env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK);
3098 void helper_debug(void)
3100 env->exception_index = EXCP_DEBUG;
3104 #ifndef TARGET_SPARC64
3105 /* XXX: use another pointer for %iN registers to avoid slow wrapping
3107 void helper_save(void)
3111 cwp = cpu_cwp_dec(env, env->cwp - 1);
3112 if (env->wim & (1 << cwp)) {
3113 raise_exception(TT_WIN_OVF);
3118 void helper_restore(void)
3122 cwp = cpu_cwp_inc(env, env->cwp + 1);
3123 if (env->wim & (1 << cwp)) {
3124 raise_exception(TT_WIN_UNF);
3129 void helper_wrpsr(target_ulong new_psr)
3131 if ((new_psr & PSR_CWP) >= env->nwindows)
3132 raise_exception(TT_ILL_INSN);
3134 PUT_PSR(env, new_psr);
3137 target_ulong helper_rdpsr(void)
3139 return GET_PSR(env);
3143 /* XXX: use another pointer for %iN registers to avoid slow wrapping
3145 void helper_save(void)
3149 cwp = cpu_cwp_dec(env, env->cwp - 1);
3150 if (env->cansave == 0) {
3151 raise_exception(TT_SPILL | (env->otherwin != 0 ?
3152 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
3153 ((env->wstate & 0x7) << 2)));
3155 if (env->cleanwin - env->canrestore == 0) {
3156 // XXX Clean windows without trap
3157 raise_exception(TT_CLRWIN);
3166 void helper_restore(void)
3170 cwp = cpu_cwp_inc(env, env->cwp + 1);
3171 if (env->canrestore == 0) {
3172 raise_exception(TT_FILL | (env->otherwin != 0 ?
3173 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
3174 ((env->wstate & 0x7) << 2)));
3182 void helper_flushw(void)
3184 if (env->cansave != env->nwindows - 2) {
3185 raise_exception(TT_SPILL | (env->otherwin != 0 ?
3186 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
3187 ((env->wstate & 0x7) << 2)));
3191 void helper_saved(void)
3194 if (env->otherwin == 0)
3200 void helper_restored(void)
3203 if (env->cleanwin < env->nwindows - 1)
3205 if (env->otherwin == 0)
3211 target_ulong helper_rdccr(void)
3213 return GET_CCR(env);
3216 void helper_wrccr(target_ulong new_ccr)
3218 PUT_CCR(env, new_ccr);
3221 // CWP handling is reversed in V9, but we still use the V8 register
3223 target_ulong helper_rdcwp(void)
3225 return GET_CWP64(env);
3228 void helper_wrcwp(target_ulong new_cwp)
3230 PUT_CWP64(env, new_cwp);
3233 // This function uses non-native bit order
3234 #define GET_FIELD(X, FROM, TO) \
3235 ((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
3237 // This function uses the order in the manuals, i.e. bit 0 is 2^0
3238 #define GET_FIELD_SP(X, FROM, TO) \
3239 GET_FIELD(X, 63 - (TO), 63 - (FROM))
3241 target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
3243 return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
3244 (GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
3245 (GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
3246 (GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
3247 (GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
3248 (GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
3249 (((pixel_addr >> 55) & 1) << 4) |
3250 (GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
3251 GET_FIELD_SP(pixel_addr, 11, 12);
3254 target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
3258 tmp = addr + offset;
3260 env->gsr |= tmp & 7ULL;
3264 target_ulong helper_popc(target_ulong val)
3266 return ctpop64(val);
3269 static inline uint64_t *get_gregset(uint64_t pstate)
3284 static inline void change_pstate(uint64_t new_pstate)
3286 uint64_t pstate_regs, new_pstate_regs;
3287 uint64_t *src, *dst;
3289 if (env->def->features & CPU_FEATURE_GL) {
3290 // PS_AG is not implemented in this case
3291 new_pstate &= ~PS_AG;
3294 pstate_regs = env->pstate & 0xc01;
3295 new_pstate_regs = new_pstate & 0xc01;
3297 if (new_pstate_regs != pstate_regs) {
3298 // Switch global register bank
3299 src = get_gregset(new_pstate_regs);
3300 dst = get_gregset(pstate_regs);
3301 memcpy32(dst, env->gregs);
3302 memcpy32(env->gregs, src);
3304 env->pstate = new_pstate;
3307 void helper_wrpstate(target_ulong new_state)
3309 change_pstate(new_state & 0xf3f);
3312 void helper_done(void)
3314 trap_state* tsptr = cpu_tsptr(env);
3316 env->pc = tsptr->tpc;
3317 env->npc = tsptr->tnpc + 4;
3318 PUT_CCR(env, tsptr->tstate >> 32);
3319 env->asi = (tsptr->tstate >> 24) & 0xff;
3320 change_pstate((tsptr->tstate >> 8) & 0xf3f);
3321 PUT_CWP64(env, tsptr->tstate & 0xff);
3325 void helper_retry(void)
3327 trap_state* tsptr = cpu_tsptr(env);
3329 env->pc = tsptr->tpc;
3330 env->npc = tsptr->tnpc;
3331 PUT_CCR(env, tsptr->tstate >> 32);
3332 env->asi = (tsptr->tstate >> 24) & 0xff;
3333 change_pstate((tsptr->tstate >> 8) & 0xf3f);
3334 PUT_CWP64(env, tsptr->tstate & 0xff);
3338 void helper_set_softint(uint64_t value)
3340 env->softint |= (uint32_t)value;
3343 void helper_clear_softint(uint64_t value)
3345 env->softint &= (uint32_t)~value;
3348 void helper_write_softint(uint64_t value)
3350 env->softint = (uint32_t)value;
3354 void helper_flush(target_ulong addr)
3357 tb_invalidate_page_range(addr, addr + 8);
3360 #ifdef TARGET_SPARC64
3362 static const char * const excp_names[0x80] = {
3363 [TT_TFAULT] = "Instruction Access Fault",
3364 [TT_TMISS] = "Instruction Access MMU Miss",
3365 [TT_CODE_ACCESS] = "Instruction Access Error",
3366 [TT_ILL_INSN] = "Illegal Instruction",
3367 [TT_PRIV_INSN] = "Privileged Instruction",
3368 [TT_NFPU_INSN] = "FPU Disabled",
3369 [TT_FP_EXCP] = "FPU Exception",
3370 [TT_TOVF] = "Tag Overflow",
3371 [TT_CLRWIN] = "Clean Windows",
3372 [TT_DIV_ZERO] = "Division By Zero",
3373 [TT_DFAULT] = "Data Access Fault",
3374 [TT_DMISS] = "Data Access MMU Miss",
3375 [TT_DATA_ACCESS] = "Data Access Error",
3376 [TT_DPROT] = "Data Protection Error",
3377 [TT_UNALIGNED] = "Unaligned Memory Access",
3378 [TT_PRIV_ACT] = "Privileged Action",
3379 [TT_EXTINT | 0x1] = "External Interrupt 1",
3380 [TT_EXTINT | 0x2] = "External Interrupt 2",
3381 [TT_EXTINT | 0x3] = "External Interrupt 3",
3382 [TT_EXTINT | 0x4] = "External Interrupt 4",
3383 [TT_EXTINT | 0x5] = "External Interrupt 5",
3384 [TT_EXTINT | 0x6] = "External Interrupt 6",
3385 [TT_EXTINT | 0x7] = "External Interrupt 7",
3386 [TT_EXTINT | 0x8] = "External Interrupt 8",
3387 [TT_EXTINT | 0x9] = "External Interrupt 9",
3388 [TT_EXTINT | 0xa] = "External Interrupt 10",
3389 [TT_EXTINT | 0xb] = "External Interrupt 11",
3390 [TT_EXTINT | 0xc] = "External Interrupt 12",
3391 [TT_EXTINT | 0xd] = "External Interrupt 13",
3392 [TT_EXTINT | 0xe] = "External Interrupt 14",
3393 [TT_EXTINT | 0xf] = "External Interrupt 15",
3397 trap_state* cpu_tsptr(CPUState* env)
3399 return &env->ts[env->tl & MAXTL_MASK];
3402 void do_interrupt(CPUState *env)
3404 int intno = env->exception_index;
3408 if (qemu_loglevel_mask(CPU_LOG_INT)) {
3412 if (intno < 0 || intno >= 0x180)
3414 else if (intno >= 0x100)
3415 name = "Trap Instruction";
3416 else if (intno >= 0xc0)
3417 name = "Window Fill";
3418 else if (intno >= 0x80)
3419 name = "Window Spill";
3421 name = excp_names[intno];
3426 qemu_log("%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
3427 " SP=%016" PRIx64 "\n",
3430 env->npc, env->regwptr[6]);
3431 log_cpu_state(env, 0);
3438 ptr = (uint8_t *)env->pc;
3439 for(i = 0; i < 16; i++) {
3440 qemu_log(" %02x", ldub(ptr + i));
3448 #if !defined(CONFIG_USER_ONLY)
3449 if (env->tl >= env->maxtl) {
3450 cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
3451 " Error state", env->exception_index, env->tl, env->maxtl);
3455 if (env->tl < env->maxtl - 1) {
3458 env->pstate |= PS_RED;
3459 if (env->tl < env->maxtl)
3462 tsptr = cpu_tsptr(env);
3464 tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
3465 ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
3467 tsptr->tpc = env->pc;
3468 tsptr->tnpc = env->npc;
3473 change_pstate(PS_PEF | PS_PRIV | PS_IG);
3480 change_pstate(PS_PEF | PS_PRIV | PS_MG);
3483 change_pstate(PS_PEF | PS_PRIV | PS_AG);
3487 if (intno == TT_CLRWIN)
3488 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
3489 else if ((intno & 0x1c0) == TT_SPILL)
3490 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
3491 else if ((intno & 0x1c0) == TT_FILL)
3492 cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
3493 env->tbr &= ~0x7fffULL;
3494 env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
3496 env->npc = env->pc + 4;
3497 env->exception_index = 0;
3501 static const char * const excp_names[0x80] = {
3502 [TT_TFAULT] = "Instruction Access Fault",
3503 [TT_ILL_INSN] = "Illegal Instruction",
3504 [TT_PRIV_INSN] = "Privileged Instruction",
3505 [TT_NFPU_INSN] = "FPU Disabled",
3506 [TT_WIN_OVF] = "Window Overflow",
3507 [TT_WIN_UNF] = "Window Underflow",
3508 [TT_UNALIGNED] = "Unaligned Memory Access",
3509 [TT_FP_EXCP] = "FPU Exception",
3510 [TT_DFAULT] = "Data Access Fault",
3511 [TT_TOVF] = "Tag Overflow",
3512 [TT_EXTINT | 0x1] = "External Interrupt 1",
3513 [TT_EXTINT | 0x2] = "External Interrupt 2",
3514 [TT_EXTINT | 0x3] = "External Interrupt 3",
3515 [TT_EXTINT | 0x4] = "External Interrupt 4",
3516 [TT_EXTINT | 0x5] = "External Interrupt 5",
3517 [TT_EXTINT | 0x6] = "External Interrupt 6",
3518 [TT_EXTINT | 0x7] = "External Interrupt 7",
3519 [TT_EXTINT | 0x8] = "External Interrupt 8",
3520 [TT_EXTINT | 0x9] = "External Interrupt 9",
3521 [TT_EXTINT | 0xa] = "External Interrupt 10",
3522 [TT_EXTINT | 0xb] = "External Interrupt 11",
3523 [TT_EXTINT | 0xc] = "External Interrupt 12",
3524 [TT_EXTINT | 0xd] = "External Interrupt 13",
3525 [TT_EXTINT | 0xe] = "External Interrupt 14",
3526 [TT_EXTINT | 0xf] = "External Interrupt 15",
3527 [TT_TOVF] = "Tag Overflow",
3528 [TT_CODE_ACCESS] = "Instruction Access Error",
3529 [TT_DATA_ACCESS] = "Data Access Error",
3530 [TT_DIV_ZERO] = "Division By Zero",
3531 [TT_NCP_INSN] = "Coprocessor Disabled",
3535 void do_interrupt(CPUState *env)
3537 int cwp, intno = env->exception_index;
3540 if (qemu_loglevel_mask(CPU_LOG_INT)) {
3544 if (intno < 0 || intno >= 0x100)
3546 else if (intno >= 0x80)
3547 name = "Trap Instruction";
3549 name = excp_names[intno];
3554 qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
3557 env->npc, env->regwptr[6]);
3558 log_cpu_state(env, 0);
3565 ptr = (uint8_t *)env->pc;
3566 for(i = 0; i < 16; i++) {
3567 qemu_log(" %02x", ldub(ptr + i));
3575 #if !defined(CONFIG_USER_ONLY)
3576 if (env->psret == 0) {
3577 cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
3578 env->exception_index);
3583 cwp = cpu_cwp_dec(env, env->cwp - 1);
3584 cpu_set_cwp(env, cwp);
3585 env->regwptr[9] = env->pc;
3586 env->regwptr[10] = env->npc;
3587 env->psrps = env->psrs;
3589 env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
3591 env->npc = env->pc + 4;
3592 env->exception_index = 0;
3596 #if !defined(CONFIG_USER_ONLY)
3598 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
3601 #define MMUSUFFIX _mmu
3602 #define ALIGNED_ONLY
3605 #include "softmmu_template.h"
3608 #include "softmmu_template.h"
3611 #include "softmmu_template.h"
3614 #include "softmmu_template.h"
3616 /* XXX: make it generic ? */
3617 static void cpu_restore_state2(void *retaddr)
3619 TranslationBlock *tb;
3623 /* now we have a real cpu fault */
3624 pc = (unsigned long)retaddr;
3625 tb = tb_find_pc(pc);
3627 /* the PC is inside the translated code. It means that we have
3628 a virtual CPU fault */
3629 cpu_restore_state(tb, env, pc, (void *)(long)env->cond);
3634 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
3637 #ifdef DEBUG_UNALIGNED
3638 printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
3639 "\n", addr, env->pc);
3641 cpu_restore_state2(retaddr);
3642 raise_exception(TT_UNALIGNED);
3645 /* try to fill the TLB and return an exception if error. If retaddr is
3646 NULL, it means that the function was called in C code (i.e. not
3647 from generated code or from helper.c) */
3648 /* XXX: fix it to restore all registers */
3649 void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
3652 CPUState *saved_env;
3654 /* XXX: hack to restore env in all cases, even if not called from
3657 env = cpu_single_env;
3659 ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
3661 cpu_restore_state2(retaddr);
3669 #ifndef TARGET_SPARC64
3670 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3671 int is_asi, int size)
3673 CPUState *saved_env;
3675 /* XXX: hack to restore env in all cases, even if not called from
3678 env = cpu_single_env;
3679 #ifdef DEBUG_UNASSIGNED
3681 printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
3682 " asi 0x%02x from " TARGET_FMT_lx "\n",
3683 is_exec ? "exec" : is_write ? "write" : "read", size,
3684 size == 1 ? "" : "s", addr, is_asi, env->pc);
3686 printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
3687 " from " TARGET_FMT_lx "\n",
3688 is_exec ? "exec" : is_write ? "write" : "read", size,
3689 size == 1 ? "" : "s", addr, env->pc);
3691 if (env->mmuregs[3]) /* Fault status register */
3692 env->mmuregs[3] = 1; /* overflow (not read before another fault) */
3694 env->mmuregs[3] |= 1 << 16;
3696 env->mmuregs[3] |= 1 << 5;
3698 env->mmuregs[3] |= 1 << 6;
3700 env->mmuregs[3] |= 1 << 7;
3701 env->mmuregs[3] |= (5 << 2) | 2;
3702 env->mmuregs[4] = addr; /* Fault address register */
3703 if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) {
3705 raise_exception(TT_CODE_ACCESS);
3707 raise_exception(TT_DATA_ACCESS);
3712 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3713 int is_asi, int size)
3715 #ifdef DEBUG_UNASSIGNED
3716 CPUState *saved_env;
3718 /* XXX: hack to restore env in all cases, even if not called from
3721 env = cpu_single_env;
3722 printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx
3723 "\n", addr, env->pc);
3727 raise_exception(TT_CODE_ACCESS);
3729 raise_exception(TT_DATA_ACCESS);
3733 #ifdef TARGET_SPARC64
3734 void helper_tick_set_count(void *opaque, uint64_t count)
3736 #if !defined(CONFIG_USER_ONLY)
3737 cpu_tick_set_count(opaque, count);
3741 uint64_t helper_tick_get_count(void *opaque)
3743 #if !defined(CONFIG_USER_ONLY)
3744 return cpu_tick_get_count(opaque);
3750 void helper_tick_set_limit(void *opaque, uint64_t limit)
3752 #if !defined(CONFIG_USER_ONLY)
3753 cpu_tick_set_limit(opaque, limit);