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, args...) \
17 do { printf("MMU: " fmt , ##args); } while (0)
19 #define DPRINTF_MMU(fmt, args...) do {} while (0)
23 #define DPRINTF_MXCC(fmt, args...) \
24 do { printf("MXCC: " fmt , ##args); } while (0)
26 #define DPRINTF_MXCC(fmt, args...) do {} while (0)
30 #define DPRINTF_ASI(fmt, args...) \
31 do { printf("ASI: " fmt , ##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 = (env->dmmuregs[5] & 0x1000ULL) ? 1 : 0;
50 int tsb_size = env->dmmuregs[5] & 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);
92 static inline void address_mask(CPUState *env1, target_ulong *addr)
96 *addr &= 0xffffffffULL;
100 static void raise_exception(int tt)
102 env->exception_index = tt;
106 void HELPER(raise_exception)(int tt)
111 static inline void set_cwp(int new_cwp)
113 cpu_set_cwp(env, new_cwp);
116 void helper_check_align(target_ulong addr, uint32_t align)
119 #ifdef DEBUG_UNALIGNED
120 printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
121 "\n", addr, env->pc);
123 raise_exception(TT_UNALIGNED);
127 #define F_HELPER(name, p) void helper_f##name##p(void)
129 #define F_BINOP(name) \
130 float32 helper_f ## name ## s (float32 src1, float32 src2) \
132 return float32_ ## name (src1, src2, &env->fp_status); \
136 DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \
140 QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \
149 void helper_fsmuld(float32 src1, float32 src2)
151 DT0 = float64_mul(float32_to_float64(src1, &env->fp_status),
152 float32_to_float64(src2, &env->fp_status),
156 void helper_fdmulq(void)
158 QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status),
159 float64_to_float128(DT1, &env->fp_status),
163 float32 helper_fnegs(float32 src)
165 return float32_chs(src);
168 #ifdef TARGET_SPARC64
171 DT0 = float64_chs(DT1);
176 QT0 = float128_chs(QT1);
180 /* Integer to float conversion. */
181 float32 helper_fitos(int32_t src)
183 return int32_to_float32(src, &env->fp_status);
186 void helper_fitod(int32_t src)
188 DT0 = int32_to_float64(src, &env->fp_status);
191 void helper_fitoq(int32_t src)
193 QT0 = int32_to_float128(src, &env->fp_status);
196 #ifdef TARGET_SPARC64
197 float32 helper_fxtos(void)
199 return int64_to_float32(*((int64_t *)&DT1), &env->fp_status);
204 DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status);
209 QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status);
214 /* floating point conversion */
215 float32 helper_fdtos(void)
217 return float64_to_float32(DT1, &env->fp_status);
220 void helper_fstod(float32 src)
222 DT0 = float32_to_float64(src, &env->fp_status);
225 float32 helper_fqtos(void)
227 return float128_to_float32(QT1, &env->fp_status);
230 void helper_fstoq(float32 src)
232 QT0 = float32_to_float128(src, &env->fp_status);
235 void helper_fqtod(void)
237 DT0 = float128_to_float64(QT1, &env->fp_status);
240 void helper_fdtoq(void)
242 QT0 = float64_to_float128(DT1, &env->fp_status);
245 /* Float to integer conversion. */
246 int32_t helper_fstoi(float32 src)
248 return float32_to_int32_round_to_zero(src, &env->fp_status);
251 int32_t helper_fdtoi(void)
253 return float64_to_int32_round_to_zero(DT1, &env->fp_status);
256 int32_t helper_fqtoi(void)
258 return float128_to_int32_round_to_zero(QT1, &env->fp_status);
261 #ifdef TARGET_SPARC64
262 void helper_fstox(float32 src)
264 *((int64_t *)&DT0) = float32_to_int64_round_to_zero(src, &env->fp_status);
267 void helper_fdtox(void)
269 *((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status);
272 void helper_fqtox(void)
274 *((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status);
277 void helper_faligndata(void)
281 tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8);
282 /* on many architectures a shift of 64 does nothing */
283 if ((env->gsr & 7) != 0) {
284 tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8);
286 *((uint64_t *)&DT0) = tmp;
289 #ifdef WORDS_BIGENDIAN
290 #define VIS_B64(n) b[7 - (n)]
291 #define VIS_W64(n) w[3 - (n)]
292 #define VIS_SW64(n) sw[3 - (n)]
293 #define VIS_L64(n) l[1 - (n)]
294 #define VIS_B32(n) b[3 - (n)]
295 #define VIS_W32(n) w[1 - (n)]
297 #define VIS_B64(n) b[n]
298 #define VIS_W64(n) w[n]
299 #define VIS_SW64(n) sw[n]
300 #define VIS_L64(n) l[n]
301 #define VIS_B32(n) b[n]
302 #define VIS_W32(n) w[n]
320 void helper_fpmerge(void)
327 // Reverse calculation order to handle overlap
328 d.VIS_B64(7) = s.VIS_B64(3);
329 d.VIS_B64(6) = d.VIS_B64(3);
330 d.VIS_B64(5) = s.VIS_B64(2);
331 d.VIS_B64(4) = d.VIS_B64(2);
332 d.VIS_B64(3) = s.VIS_B64(1);
333 d.VIS_B64(2) = d.VIS_B64(1);
334 d.VIS_B64(1) = s.VIS_B64(0);
335 //d.VIS_B64(0) = d.VIS_B64(0);
340 void helper_fmul8x16(void)
349 tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \
350 if ((tmp & 0xff) > 0x7f) \
352 d.VIS_W64(r) = tmp >> 8;
363 void helper_fmul8x16al(void)
372 tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \
373 if ((tmp & 0xff) > 0x7f) \
375 d.VIS_W64(r) = tmp >> 8;
386 void helper_fmul8x16au(void)
395 tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
396 if ((tmp & 0xff) > 0x7f) \
398 d.VIS_W64(r) = tmp >> 8;
409 void helper_fmul8sux16(void)
418 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
419 if ((tmp & 0xff) > 0x7f) \
421 d.VIS_W64(r) = tmp >> 8;
432 void helper_fmul8ulx16(void)
441 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
442 if ((tmp & 0xff) > 0x7f) \
444 d.VIS_W64(r) = tmp >> 8;
455 void helper_fmuld8sux16(void)
464 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
465 if ((tmp & 0xff) > 0x7f) \
469 // Reverse calculation order to handle overlap
477 void helper_fmuld8ulx16(void)
486 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
487 if ((tmp & 0xff) > 0x7f) \
491 // Reverse calculation order to handle overlap
499 void helper_fexpand(void)
504 s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
506 d.VIS_W64(0) = s.VIS_B32(0) << 4;
507 d.VIS_W64(1) = s.VIS_B32(1) << 4;
508 d.VIS_W64(2) = s.VIS_B32(2) << 4;
509 d.VIS_W64(3) = s.VIS_B32(3) << 4;
514 #define VIS_HELPER(name, F) \
515 void name##16(void) \
522 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \
523 d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \
524 d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \
525 d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \
530 uint32_t name##16s(uint32_t src1, uint32_t src2) \
537 d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \
538 d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \
543 void name##32(void) \
550 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \
551 d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \
556 uint32_t name##32s(uint32_t src1, uint32_t src2) \
568 #define FADD(a, b) ((a) + (b))
569 #define FSUB(a, b) ((a) - (b))
570 VIS_HELPER(helper_fpadd, FADD)
571 VIS_HELPER(helper_fpsub, FSUB)
573 #define VIS_CMPHELPER(name, F) \
574 void name##16(void) \
581 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0))? 1: 0; \
582 d.VIS_W64(0) |= F(d.VIS_W64(1), s.VIS_W64(1))? 2: 0; \
583 d.VIS_W64(0) |= F(d.VIS_W64(2), s.VIS_W64(2))? 4: 0; \
584 d.VIS_W64(0) |= F(d.VIS_W64(3), s.VIS_W64(3))? 8: 0; \
589 void name##32(void) \
596 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0))? 1: 0; \
597 d.VIS_L64(0) |= F(d.VIS_L64(1), s.VIS_L64(1))? 2: 0; \
602 #define FCMPGT(a, b) ((a) > (b))
603 #define FCMPEQ(a, b) ((a) == (b))
604 #define FCMPLE(a, b) ((a) <= (b))
605 #define FCMPNE(a, b) ((a) != (b))
607 VIS_CMPHELPER(helper_fcmpgt, FCMPGT)
608 VIS_CMPHELPER(helper_fcmpeq, FCMPEQ)
609 VIS_CMPHELPER(helper_fcmple, FCMPLE)
610 VIS_CMPHELPER(helper_fcmpne, FCMPNE)
613 void helper_check_ieee_exceptions(void)
617 status = get_float_exception_flags(&env->fp_status);
619 /* Copy IEEE 754 flags into FSR */
620 if (status & float_flag_invalid)
622 if (status & float_flag_overflow)
624 if (status & float_flag_underflow)
626 if (status & float_flag_divbyzero)
628 if (status & float_flag_inexact)
631 if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) {
632 /* Unmasked exception, generate a trap */
633 env->fsr |= FSR_FTT_IEEE_EXCP;
634 raise_exception(TT_FP_EXCP);
636 /* Accumulate exceptions */
637 env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5;
642 void helper_clear_float_exceptions(void)
644 set_float_exception_flags(0, &env->fp_status);
647 float32 helper_fabss(float32 src)
649 return float32_abs(src);
652 #ifdef TARGET_SPARC64
653 void helper_fabsd(void)
655 DT0 = float64_abs(DT1);
658 void helper_fabsq(void)
660 QT0 = float128_abs(QT1);
664 float32 helper_fsqrts(float32 src)
666 return float32_sqrt(src, &env->fp_status);
669 void helper_fsqrtd(void)
671 DT0 = float64_sqrt(DT1, &env->fp_status);
674 void helper_fsqrtq(void)
676 QT0 = float128_sqrt(QT1, &env->fp_status);
679 #define GEN_FCMP(name, size, reg1, reg2, FS, TRAP) \
680 void glue(helper_, name) (void) \
682 target_ulong new_fsr; \
684 env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
685 switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
686 case float_relation_unordered: \
687 new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \
688 if ((env->fsr & FSR_NVM) || TRAP) { \
689 env->fsr |= new_fsr; \
690 env->fsr |= FSR_NVC; \
691 env->fsr |= FSR_FTT_IEEE_EXCP; \
692 raise_exception(TT_FP_EXCP); \
694 env->fsr |= FSR_NVA; \
697 case float_relation_less: \
698 new_fsr = FSR_FCC0 << FS; \
700 case float_relation_greater: \
701 new_fsr = FSR_FCC1 << FS; \
707 env->fsr |= new_fsr; \
709 #define GEN_FCMPS(name, size, FS, TRAP) \
710 void glue(helper_, name)(float32 src1, float32 src2) \
712 target_ulong new_fsr; \
714 env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
715 switch (glue(size, _compare) (src1, src2, &env->fp_status)) { \
716 case float_relation_unordered: \
717 new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \
718 if ((env->fsr & FSR_NVM) || TRAP) { \
719 env->fsr |= new_fsr; \
720 env->fsr |= FSR_NVC; \
721 env->fsr |= FSR_FTT_IEEE_EXCP; \
722 raise_exception(TT_FP_EXCP); \
724 env->fsr |= FSR_NVA; \
727 case float_relation_less: \
728 new_fsr = FSR_FCC0 << FS; \
730 case float_relation_greater: \
731 new_fsr = FSR_FCC1 << FS; \
737 env->fsr |= new_fsr; \
740 GEN_FCMPS(fcmps, float32, 0, 0);
741 GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0);
743 GEN_FCMPS(fcmpes, float32, 0, 1);
744 GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1);
746 GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0);
747 GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1);
749 static uint32_t compute_all_flags(void)
751 return env->psr & PSR_ICC;
754 static uint32_t compute_C_flags(void)
756 return env->psr & PSR_CARRY;
759 static inline uint32_t get_NZ_icc(target_ulong dst)
763 if (!(dst & 0xffffffffULL))
765 if ((int32_t) (dst & 0xffffffffULL) < 0)
770 #ifdef TARGET_SPARC64
771 static uint32_t compute_all_flags_xcc(void)
773 return env->xcc & PSR_ICC;
776 static uint32_t compute_C_flags_xcc(void)
778 return env->xcc & PSR_CARRY;
781 static inline uint32_t get_NZ_xcc(target_ulong dst)
787 if ((int64_t)dst < 0)
793 static inline uint32_t get_C_add_icc(target_ulong dst, target_ulong src1)
797 if ((dst & 0xffffffffULL) < (src1 & 0xffffffffULL))
802 static inline uint32_t get_V_add_icc(target_ulong dst, target_ulong src1,
807 if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 31))
812 static uint32_t compute_all_add(void)
816 ret = get_NZ_icc(CC_DST);
817 ret |= get_C_add_icc(CC_DST, CC_SRC);
818 ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2);
822 static uint32_t compute_C_add(void)
824 return get_C_add_icc(CC_DST, CC_SRC);
827 #ifdef TARGET_SPARC64
828 static inline uint32_t get_C_add_xcc(target_ulong dst, target_ulong src1)
837 static inline uint32_t get_V_add_xcc(target_ulong dst, target_ulong src1,
842 if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 63))
847 static uint32_t compute_all_add_xcc(void)
851 ret = get_NZ_xcc(CC_DST);
852 ret |= get_C_add_xcc(CC_DST, CC_SRC);
853 ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2);
857 static uint32_t compute_C_add_xcc(void)
859 return get_C_add_xcc(CC_DST, CC_SRC);
863 typedef struct CCTable {
864 uint32_t (*compute_all)(void); /* return all the flags */
865 uint32_t (*compute_c)(void); /* return the C flag */
868 static const CCTable icc_table[CC_OP_NB] = {
869 /* CC_OP_DYNAMIC should never happen */
870 [CC_OP_FLAGS] = { compute_all_flags, compute_C_flags },
871 [CC_OP_ADD] = { compute_all_add, compute_C_add },
874 #ifdef TARGET_SPARC64
875 static const CCTable xcc_table[CC_OP_NB] = {
876 /* CC_OP_DYNAMIC should never happen */
877 [CC_OP_FLAGS] = { compute_all_flags_xcc, compute_C_flags_xcc },
878 [CC_OP_ADD] = { compute_all_add_xcc, compute_C_add_xcc },
882 void helper_compute_psr(void)
886 new_psr = icc_table[CC_OP].compute_all();
888 #ifdef TARGET_SPARC64
889 new_psr = xcc_table[CC_OP].compute_all();
895 uint32_t helper_compute_C_icc(void)
899 ret = icc_table[CC_OP].compute_c() >> PSR_CARRY_SHIFT;
903 #ifdef TARGET_SPARC64
904 GEN_FCMPS(fcmps_fcc1, float32, 22, 0);
905 GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
906 GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
908 GEN_FCMPS(fcmps_fcc2, float32, 24, 0);
909 GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
910 GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
912 GEN_FCMPS(fcmps_fcc3, float32, 26, 0);
913 GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
914 GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
916 GEN_FCMPS(fcmpes_fcc1, float32, 22, 1);
917 GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
918 GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
920 GEN_FCMPS(fcmpes_fcc2, float32, 24, 1);
921 GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
922 GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
924 GEN_FCMPS(fcmpes_fcc3, float32, 26, 1);
925 GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
926 GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
930 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
932 static void dump_mxcc(CPUState *env)
934 printf("mxccdata: %016llx %016llx %016llx %016llx\n",
935 env->mxccdata[0], env->mxccdata[1],
936 env->mxccdata[2], env->mxccdata[3]);
937 printf("mxccregs: %016llx %016llx %016llx %016llx\n"
938 " %016llx %016llx %016llx %016llx\n",
939 env->mxccregs[0], env->mxccregs[1],
940 env->mxccregs[2], env->mxccregs[3],
941 env->mxccregs[4], env->mxccregs[5],
942 env->mxccregs[6], env->mxccregs[7]);
946 #if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
947 && defined(DEBUG_ASI)
948 static void dump_asi(const char *txt, target_ulong addr, int asi, int size,
954 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt,
955 addr, asi, r1 & 0xff);
958 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt,
959 addr, asi, r1 & 0xffff);
962 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt,
963 addr, asi, r1 & 0xffffffff);
966 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt,
973 #ifndef TARGET_SPARC64
974 #ifndef CONFIG_USER_ONLY
975 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
978 #if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
979 uint32_t last_addr = addr;
982 helper_check_align(addr, size - 1);
984 case 2: /* SuperSparc MXCC registers */
986 case 0x01c00a00: /* MXCC control register */
988 ret = env->mxccregs[3];
990 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
993 case 0x01c00a04: /* MXCC control register */
995 ret = env->mxccregs[3];
997 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1000 case 0x01c00c00: /* Module reset register */
1002 ret = env->mxccregs[5];
1003 // should we do something here?
1005 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1008 case 0x01c00f00: /* MBus port address register */
1010 ret = env->mxccregs[7];
1012 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1016 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1020 DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
1021 "addr = %08x -> ret = %" PRIx64 ","
1022 "addr = %08x\n", asi, size, sign, last_addr, ret, addr);
1027 case 3: /* MMU probe */
1031 mmulev = (addr >> 8) & 15;
1035 ret = mmu_probe(env, addr, mmulev);
1036 DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n",
1040 case 4: /* read MMU regs */
1042 int reg = (addr >> 8) & 0x1f;
1044 ret = env->mmuregs[reg];
1045 if (reg == 3) /* Fault status cleared on read */
1046 env->mmuregs[3] = 0;
1047 else if (reg == 0x13) /* Fault status read */
1048 ret = env->mmuregs[3];
1049 else if (reg == 0x14) /* Fault address read */
1050 ret = env->mmuregs[4];
1051 DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret);
1054 case 5: // Turbosparc ITLB Diagnostic
1055 case 6: // Turbosparc DTLB Diagnostic
1056 case 7: // Turbosparc IOTLB Diagnostic
1058 case 9: /* Supervisor code access */
1061 ret = ldub_code(addr);
1064 ret = lduw_code(addr);
1068 ret = ldl_code(addr);
1071 ret = ldq_code(addr);
1075 case 0xa: /* User data access */
1078 ret = ldub_user(addr);
1081 ret = lduw_user(addr);
1085 ret = ldl_user(addr);
1088 ret = ldq_user(addr);
1092 case 0xb: /* Supervisor data access */
1095 ret = ldub_kernel(addr);
1098 ret = lduw_kernel(addr);
1102 ret = ldl_kernel(addr);
1105 ret = ldq_kernel(addr);
1109 case 0xc: /* I-cache tag */
1110 case 0xd: /* I-cache data */
1111 case 0xe: /* D-cache tag */
1112 case 0xf: /* D-cache data */
1114 case 0x20: /* MMU passthrough */
1117 ret = ldub_phys(addr);
1120 ret = lduw_phys(addr);
1124 ret = ldl_phys(addr);
1127 ret = ldq_phys(addr);
1131 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1134 ret = ldub_phys((target_phys_addr_t)addr
1135 | ((target_phys_addr_t)(asi & 0xf) << 32));
1138 ret = lduw_phys((target_phys_addr_t)addr
1139 | ((target_phys_addr_t)(asi & 0xf) << 32));
1143 ret = ldl_phys((target_phys_addr_t)addr
1144 | ((target_phys_addr_t)(asi & 0xf) << 32));
1147 ret = ldq_phys((target_phys_addr_t)addr
1148 | ((target_phys_addr_t)(asi & 0xf) << 32));
1152 case 0x30: // Turbosparc secondary cache diagnostic
1153 case 0x31: // Turbosparc RAM snoop
1154 case 0x32: // Turbosparc page table descriptor diagnostic
1155 case 0x39: /* data cache diagnostic register */
1158 case 0x38: /* SuperSPARC MMU Breakpoint Control Registers */
1160 int reg = (addr >> 8) & 3;
1163 case 0: /* Breakpoint Value (Addr) */
1164 ret = env->mmubpregs[reg];
1166 case 1: /* Breakpoint Mask */
1167 ret = env->mmubpregs[reg];
1169 case 2: /* Breakpoint Control */
1170 ret = env->mmubpregs[reg];
1172 case 3: /* Breakpoint Status */
1173 ret = env->mmubpregs[reg];
1174 env->mmubpregs[reg] = 0ULL;
1177 DPRINTF_MMU("read breakpoint reg[%d] 0x%016llx\n", reg, ret);
1180 case 8: /* User code access, XXX */
1182 do_unassigned_access(addr, 0, 0, asi, size);
1192 ret = (int16_t) ret;
1195 ret = (int32_t) ret;
1202 dump_asi("read ", last_addr, asi, size, ret);
1207 void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size)
1209 helper_check_align(addr, size - 1);
1211 case 2: /* SuperSparc MXCC registers */
1213 case 0x01c00000: /* MXCC stream data register 0 */
1215 env->mxccdata[0] = val;
1217 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1220 case 0x01c00008: /* MXCC stream data register 1 */
1222 env->mxccdata[1] = val;
1224 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1227 case 0x01c00010: /* MXCC stream data register 2 */
1229 env->mxccdata[2] = val;
1231 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1234 case 0x01c00018: /* MXCC stream data register 3 */
1236 env->mxccdata[3] = val;
1238 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1241 case 0x01c00100: /* MXCC stream source */
1243 env->mxccregs[0] = val;
1245 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1247 env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1249 env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1251 env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1253 env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1256 case 0x01c00200: /* MXCC stream destination */
1258 env->mxccregs[1] = val;
1260 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1262 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0,
1264 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8,
1266 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16,
1268 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24,
1271 case 0x01c00a00: /* MXCC control register */
1273 env->mxccregs[3] = val;
1275 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1278 case 0x01c00a04: /* MXCC control register */
1280 env->mxccregs[3] = (env->mxccregs[3] & 0xffffffff00000000ULL)
1283 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1286 case 0x01c00e00: /* MXCC error register */
1287 // writing a 1 bit clears the error
1289 env->mxccregs[6] &= ~val;
1291 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1294 case 0x01c00f00: /* MBus port address register */
1296 env->mxccregs[7] = val;
1298 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1302 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1306 DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %" PRIx64 "\n",
1307 asi, size, addr, val);
1312 case 3: /* MMU flush */
1316 mmulev = (addr >> 8) & 15;
1317 DPRINTF_MMU("mmu flush level %d\n", mmulev);
1319 case 0: // flush page
1320 tlb_flush_page(env, addr & 0xfffff000);
1322 case 1: // flush segment (256k)
1323 case 2: // flush region (16M)
1324 case 3: // flush context (4G)
1325 case 4: // flush entire
1336 case 4: /* write MMU regs */
1338 int reg = (addr >> 8) & 0x1f;
1341 oldreg = env->mmuregs[reg];
1343 case 0: // Control Register
1344 env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
1346 // Mappings generated during no-fault mode or MMU
1347 // disabled mode are invalid in normal mode
1348 if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) !=
1349 (env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm)))
1352 case 1: // Context Table Pointer Register
1353 env->mmuregs[reg] = val & env->def->mmu_ctpr_mask;
1355 case 2: // Context Register
1356 env->mmuregs[reg] = val & env->def->mmu_cxr_mask;
1357 if (oldreg != env->mmuregs[reg]) {
1358 /* we flush when the MMU context changes because
1359 QEMU has no MMU context support */
1363 case 3: // Synchronous Fault Status Register with Clear
1364 case 4: // Synchronous Fault Address Register
1366 case 0x10: // TLB Replacement Control Register
1367 env->mmuregs[reg] = val & env->def->mmu_trcr_mask;
1369 case 0x13: // Synchronous Fault Status Register with Read and Clear
1370 env->mmuregs[3] = val & env->def->mmu_sfsr_mask;
1372 case 0x14: // Synchronous Fault Address Register
1373 env->mmuregs[4] = val;
1376 env->mmuregs[reg] = val;
1379 if (oldreg != env->mmuregs[reg]) {
1380 DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
1381 reg, oldreg, env->mmuregs[reg]);
1388 case 5: // Turbosparc ITLB Diagnostic
1389 case 6: // Turbosparc DTLB Diagnostic
1390 case 7: // Turbosparc IOTLB Diagnostic
1392 case 0xa: /* User data access */
1395 stb_user(addr, val);
1398 stw_user(addr, val);
1402 stl_user(addr, val);
1405 stq_user(addr, val);
1409 case 0xb: /* Supervisor data access */
1412 stb_kernel(addr, val);
1415 stw_kernel(addr, val);
1419 stl_kernel(addr, val);
1422 stq_kernel(addr, val);
1426 case 0xc: /* I-cache tag */
1427 case 0xd: /* I-cache data */
1428 case 0xe: /* D-cache tag */
1429 case 0xf: /* D-cache data */
1430 case 0x10: /* I/D-cache flush page */
1431 case 0x11: /* I/D-cache flush segment */
1432 case 0x12: /* I/D-cache flush region */
1433 case 0x13: /* I/D-cache flush context */
1434 case 0x14: /* I/D-cache flush user */
1436 case 0x17: /* Block copy, sta access */
1442 uint32_t src = val & ~3, dst = addr & ~3, temp;
1444 for (i = 0; i < 32; i += 4, src += 4, dst += 4) {
1445 temp = ldl_kernel(src);
1446 stl_kernel(dst, temp);
1450 case 0x1f: /* Block fill, stda access */
1453 // fill 32 bytes with val
1455 uint32_t dst = addr & 7;
1457 for (i = 0; i < 32; i += 8, dst += 8)
1458 stq_kernel(dst, val);
1461 case 0x20: /* MMU passthrough */
1465 stb_phys(addr, val);
1468 stw_phys(addr, val);
1472 stl_phys(addr, val);
1475 stq_phys(addr, val);
1480 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1484 stb_phys((target_phys_addr_t)addr
1485 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1488 stw_phys((target_phys_addr_t)addr
1489 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1493 stl_phys((target_phys_addr_t)addr
1494 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1497 stq_phys((target_phys_addr_t)addr
1498 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1503 case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic
1504 case 0x31: // store buffer data, Ross RT620 I-cache flush or
1505 // Turbosparc snoop RAM
1506 case 0x32: // store buffer control or Turbosparc page table
1507 // descriptor diagnostic
1508 case 0x36: /* I-cache flash clear */
1509 case 0x37: /* D-cache flash clear */
1510 case 0x4c: /* breakpoint action */
1512 case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/
1514 int reg = (addr >> 8) & 3;
1517 case 0: /* Breakpoint Value (Addr) */
1518 env->mmubpregs[reg] = (val & 0xfffffffffULL);
1520 case 1: /* Breakpoint Mask */
1521 env->mmubpregs[reg] = (val & 0xfffffffffULL);
1523 case 2: /* Breakpoint Control */
1524 env->mmubpregs[reg] = (val & 0x7fULL);
1526 case 3: /* Breakpoint Status */
1527 env->mmubpregs[reg] = (val & 0xfULL);
1530 DPRINTF_MMU("write breakpoint reg[%d] 0x%016llx\n", reg,
1534 case 8: /* User code access, XXX */
1535 case 9: /* Supervisor code access, XXX */
1537 do_unassigned_access(addr, 1, 0, asi, size);
1541 dump_asi("write", addr, asi, size, val);
1545 #endif /* CONFIG_USER_ONLY */
1546 #else /* TARGET_SPARC64 */
1548 #ifdef CONFIG_USER_ONLY
1549 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1552 #if defined(DEBUG_ASI)
1553 target_ulong last_addr = addr;
1557 raise_exception(TT_PRIV_ACT);
1559 helper_check_align(addr, size - 1);
1560 address_mask(env, &addr);
1563 case 0x82: // Primary no-fault
1564 case 0x8a: // Primary no-fault LE
1565 if (page_check_range(addr, size, PAGE_READ) == -1) {
1567 dump_asi("read ", last_addr, asi, size, ret);
1572 case 0x80: // Primary
1573 case 0x88: // Primary LE
1577 ret = ldub_raw(addr);
1580 ret = lduw_raw(addr);
1583 ret = ldl_raw(addr);
1587 ret = ldq_raw(addr);
1592 case 0x83: // Secondary no-fault
1593 case 0x8b: // Secondary no-fault LE
1594 if (page_check_range(addr, size, PAGE_READ) == -1) {
1596 dump_asi("read ", last_addr, asi, size, ret);
1601 case 0x81: // Secondary
1602 case 0x89: // Secondary LE
1609 /* Convert from little endian */
1611 case 0x88: // Primary LE
1612 case 0x89: // Secondary LE
1613 case 0x8a: // Primary no-fault LE
1614 case 0x8b: // Secondary no-fault LE
1632 /* Convert to signed number */
1639 ret = (int16_t) ret;
1642 ret = (int32_t) ret;
1649 dump_asi("read ", last_addr, asi, size, ret);
1654 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1657 dump_asi("write", addr, asi, size, val);
1660 raise_exception(TT_PRIV_ACT);
1662 helper_check_align(addr, size - 1);
1663 address_mask(env, &addr);
1665 /* Convert to little endian */
1667 case 0x88: // Primary LE
1668 case 0x89: // Secondary LE
1671 addr = bswap16(addr);
1674 addr = bswap32(addr);
1677 addr = bswap64(addr);
1687 case 0x80: // Primary
1688 case 0x88: // Primary LE
1707 case 0x81: // Secondary
1708 case 0x89: // Secondary LE
1712 case 0x82: // Primary no-fault, RO
1713 case 0x83: // Secondary no-fault, RO
1714 case 0x8a: // Primary no-fault LE, RO
1715 case 0x8b: // Secondary no-fault LE, RO
1717 do_unassigned_access(addr, 1, 0, 1, size);
1722 #else /* CONFIG_USER_ONLY */
1724 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1727 #if defined(DEBUG_ASI)
1728 target_ulong last_addr = addr;
1731 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1732 || ((env->def->features & CPU_FEATURE_HYPV)
1733 && asi >= 0x30 && asi < 0x80
1734 && !(env->hpstate & HS_PRIV)))
1735 raise_exception(TT_PRIV_ACT);
1737 helper_check_align(addr, size - 1);
1739 case 0x82: // Primary no-fault
1740 case 0x8a: // Primary no-fault LE
1741 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
1743 dump_asi("read ", last_addr, asi, size, ret);
1748 case 0x10: // As if user primary
1749 case 0x18: // As if user primary LE
1750 case 0x80: // Primary
1751 case 0x88: // Primary LE
1752 case 0xe2: // UA2007 Primary block init
1753 case 0xe3: // UA2007 Secondary block init
1754 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1755 if ((env->def->features & CPU_FEATURE_HYPV)
1756 && env->hpstate & HS_PRIV) {
1759 ret = ldub_hypv(addr);
1762 ret = lduw_hypv(addr);
1765 ret = ldl_hypv(addr);
1769 ret = ldq_hypv(addr);
1775 ret = ldub_kernel(addr);
1778 ret = lduw_kernel(addr);
1781 ret = ldl_kernel(addr);
1785 ret = ldq_kernel(addr);
1792 ret = ldub_user(addr);
1795 ret = lduw_user(addr);
1798 ret = ldl_user(addr);
1802 ret = ldq_user(addr);
1807 case 0x14: // Bypass
1808 case 0x15: // Bypass, non-cacheable
1809 case 0x1c: // Bypass LE
1810 case 0x1d: // Bypass, non-cacheable LE
1814 ret = ldub_phys(addr);
1817 ret = lduw_phys(addr);
1820 ret = ldl_phys(addr);
1824 ret = ldq_phys(addr);
1829 case 0x24: // Nucleus quad LDD 128 bit atomic
1830 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
1831 // Only ldda allowed
1832 raise_exception(TT_ILL_INSN);
1834 case 0x83: // Secondary no-fault
1835 case 0x8b: // Secondary no-fault LE
1836 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
1838 dump_asi("read ", last_addr, asi, size, ret);
1843 case 0x04: // Nucleus
1844 case 0x0c: // Nucleus Little Endian (LE)
1845 case 0x11: // As if user secondary
1846 case 0x19: // As if user secondary LE
1847 case 0x4a: // UPA config
1848 case 0x81: // Secondary
1849 case 0x89: // Secondary LE
1855 case 0x50: // I-MMU regs
1857 int reg = (addr >> 3) & 0xf;
1860 // I-TSB Tag Target register
1861 ret = ultrasparc_tag_target(env->immuregs[6]);
1863 ret = env->immuregs[reg];
1868 case 0x51: // I-MMU 8k TSB pointer
1870 // env->immuregs[5] holds I-MMU TSB register value
1871 // env->immuregs[6] holds I-MMU Tag Access register value
1872 ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6],
1876 case 0x52: // I-MMU 64k TSB pointer
1878 // env->immuregs[5] holds I-MMU TSB register value
1879 // env->immuregs[6] holds I-MMU Tag Access register value
1880 ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6],
1884 case 0x55: // I-MMU data access
1886 int reg = (addr >> 3) & 0x3f;
1888 ret = env->itlb_tte[reg];
1891 case 0x56: // I-MMU tag read
1893 int reg = (addr >> 3) & 0x3f;
1895 ret = env->itlb_tag[reg];
1898 case 0x58: // D-MMU regs
1900 int reg = (addr >> 3) & 0xf;
1903 // D-TSB Tag Target register
1904 ret = ultrasparc_tag_target(env->dmmuregs[6]);
1906 ret = env->dmmuregs[reg];
1910 case 0x59: // D-MMU 8k TSB pointer
1912 // env->dmmuregs[5] holds D-MMU TSB register value
1913 // env->dmmuregs[6] holds D-MMU Tag Access register value
1914 ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6],
1918 case 0x5a: // D-MMU 64k TSB pointer
1920 // env->dmmuregs[5] holds D-MMU TSB register value
1921 // env->dmmuregs[6] holds D-MMU Tag Access register value
1922 ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6],
1926 case 0x5d: // D-MMU data access
1928 int reg = (addr >> 3) & 0x3f;
1930 ret = env->dtlb_tte[reg];
1933 case 0x5e: // D-MMU tag read
1935 int reg = (addr >> 3) & 0x3f;
1937 ret = env->dtlb_tag[reg];
1940 case 0x46: // D-cache data
1941 case 0x47: // D-cache tag access
1942 case 0x4b: // E-cache error enable
1943 case 0x4c: // E-cache asynchronous fault status
1944 case 0x4d: // E-cache asynchronous fault address
1945 case 0x4e: // E-cache tag data
1946 case 0x66: // I-cache instruction access
1947 case 0x67: // I-cache tag access
1948 case 0x6e: // I-cache predecode
1949 case 0x6f: // I-cache LRU etc.
1950 case 0x76: // E-cache tag
1951 case 0x7e: // E-cache tag
1953 case 0x5b: // D-MMU data pointer
1954 case 0x48: // Interrupt dispatch, RO
1955 case 0x49: // Interrupt data receive
1956 case 0x7f: // Incoming interrupt vector, RO
1959 case 0x54: // I-MMU data in, WO
1960 case 0x57: // I-MMU demap, WO
1961 case 0x5c: // D-MMU data in, WO
1962 case 0x5f: // D-MMU demap, WO
1963 case 0x77: // Interrupt vector, WO
1965 do_unassigned_access(addr, 0, 0, 1, size);
1970 /* Convert from little endian */
1972 case 0x0c: // Nucleus Little Endian (LE)
1973 case 0x18: // As if user primary LE
1974 case 0x19: // As if user secondary LE
1975 case 0x1c: // Bypass LE
1976 case 0x1d: // Bypass, non-cacheable LE
1977 case 0x88: // Primary LE
1978 case 0x89: // Secondary LE
1979 case 0x8a: // Primary no-fault LE
1980 case 0x8b: // Secondary no-fault LE
1998 /* Convert to signed number */
2005 ret = (int16_t) ret;
2008 ret = (int32_t) ret;
2015 dump_asi("read ", last_addr, asi, size, ret);
2020 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
2023 dump_asi("write", addr, asi, size, val);
2025 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2026 || ((env->def->features & CPU_FEATURE_HYPV)
2027 && asi >= 0x30 && asi < 0x80
2028 && !(env->hpstate & HS_PRIV)))
2029 raise_exception(TT_PRIV_ACT);
2031 helper_check_align(addr, size - 1);
2032 /* Convert to little endian */
2034 case 0x0c: // Nucleus Little Endian (LE)
2035 case 0x18: // As if user primary LE
2036 case 0x19: // As if user secondary LE
2037 case 0x1c: // Bypass LE
2038 case 0x1d: // Bypass, non-cacheable LE
2039 case 0x88: // Primary LE
2040 case 0x89: // Secondary LE
2043 addr = bswap16(addr);
2046 addr = bswap32(addr);
2049 addr = bswap64(addr);
2059 case 0x10: // As if user primary
2060 case 0x18: // As if user primary LE
2061 case 0x80: // Primary
2062 case 0x88: // Primary LE
2063 case 0xe2: // UA2007 Primary block init
2064 case 0xe3: // UA2007 Secondary block init
2065 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
2066 if ((env->def->features & CPU_FEATURE_HYPV)
2067 && env->hpstate & HS_PRIV) {
2070 stb_hypv(addr, val);
2073 stw_hypv(addr, val);
2076 stl_hypv(addr, val);
2080 stq_hypv(addr, val);
2086 stb_kernel(addr, val);
2089 stw_kernel(addr, val);
2092 stl_kernel(addr, val);
2096 stq_kernel(addr, val);
2103 stb_user(addr, val);
2106 stw_user(addr, val);
2109 stl_user(addr, val);
2113 stq_user(addr, val);
2118 case 0x14: // Bypass
2119 case 0x15: // Bypass, non-cacheable
2120 case 0x1c: // Bypass LE
2121 case 0x1d: // Bypass, non-cacheable LE
2125 stb_phys(addr, val);
2128 stw_phys(addr, val);
2131 stl_phys(addr, val);
2135 stq_phys(addr, val);
2140 case 0x24: // Nucleus quad LDD 128 bit atomic
2141 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2142 // Only ldda allowed
2143 raise_exception(TT_ILL_INSN);
2145 case 0x04: // Nucleus
2146 case 0x0c: // Nucleus Little Endian (LE)
2147 case 0x11: // As if user secondary
2148 case 0x19: // As if user secondary LE
2149 case 0x4a: // UPA config
2150 case 0x81: // Secondary
2151 case 0x89: // Secondary LE
2159 env->lsu = val & (DMMU_E | IMMU_E);
2160 // Mappings generated during D/I MMU disabled mode are
2161 // invalid in normal mode
2162 if (oldreg != env->lsu) {
2163 DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n",
2172 case 0x50: // I-MMU regs
2174 int reg = (addr >> 3) & 0xf;
2177 oldreg = env->immuregs[reg];
2182 case 1: // Not in I-MMU
2189 val = 0; // Clear SFSR
2191 case 5: // TSB access
2192 case 6: // Tag access
2196 env->immuregs[reg] = val;
2197 if (oldreg != env->immuregs[reg]) {
2198 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
2199 PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
2206 case 0x54: // I-MMU data in
2210 // Try finding an invalid entry
2211 for (i = 0; i < 64; i++) {
2212 if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) {
2213 env->itlb_tag[i] = env->immuregs[6];
2214 env->itlb_tte[i] = val;
2218 // Try finding an unlocked entry
2219 for (i = 0; i < 64; i++) {
2220 if ((env->itlb_tte[i] & 0x40) == 0) {
2221 env->itlb_tag[i] = env->immuregs[6];
2222 env->itlb_tte[i] = val;
2229 case 0x55: // I-MMU data access
2233 unsigned int i = (addr >> 3) & 0x3f;
2235 env->itlb_tag[i] = env->immuregs[6];
2236 env->itlb_tte[i] = val;
2239 case 0x57: // I-MMU demap
2243 for (i = 0; i < 64; i++) {
2244 if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0) {
2245 target_ulong mask = 0xffffffffffffe000ULL;
2247 mask <<= 3 * ((env->itlb_tte[i] >> 61) & 3);
2248 if ((val & mask) == (env->itlb_tag[i] & mask)) {
2249 env->itlb_tag[i] = 0;
2250 env->itlb_tte[i] = 0;
2257 case 0x58: // D-MMU regs
2259 int reg = (addr >> 3) & 0xf;
2262 oldreg = env->dmmuregs[reg];
2268 if ((val & 1) == 0) {
2269 val = 0; // Clear SFSR, Fault address
2270 env->dmmuregs[4] = 0;
2272 env->dmmuregs[reg] = val;
2274 case 1: // Primary context
2275 case 2: // Secondary context
2276 case 5: // TSB access
2277 case 6: // Tag access
2278 case 7: // Virtual Watchpoint
2279 case 8: // Physical Watchpoint
2283 env->dmmuregs[reg] = val;
2284 if (oldreg != env->dmmuregs[reg]) {
2285 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
2286 PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
2293 case 0x5c: // D-MMU data in
2297 // Try finding an invalid entry
2298 for (i = 0; i < 64; i++) {
2299 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) {
2300 env->dtlb_tag[i] = env->dmmuregs[6];
2301 env->dtlb_tte[i] = val;
2305 // Try finding an unlocked entry
2306 for (i = 0; i < 64; i++) {
2307 if ((env->dtlb_tte[i] & 0x40) == 0) {
2308 env->dtlb_tag[i] = env->dmmuregs[6];
2309 env->dtlb_tte[i] = val;
2316 case 0x5d: // D-MMU data access
2318 unsigned int i = (addr >> 3) & 0x3f;
2320 env->dtlb_tag[i] = env->dmmuregs[6];
2321 env->dtlb_tte[i] = val;
2324 case 0x5f: // D-MMU demap
2328 for (i = 0; i < 64; i++) {
2329 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0) {
2330 target_ulong mask = 0xffffffffffffe000ULL;
2332 mask <<= 3 * ((env->dtlb_tte[i] >> 61) & 3);
2333 if ((val & mask) == (env->dtlb_tag[i] & mask)) {
2334 env->dtlb_tag[i] = 0;
2335 env->dtlb_tte[i] = 0;
2342 case 0x49: // Interrupt data receive
2345 case 0x46: // D-cache data
2346 case 0x47: // D-cache tag access
2347 case 0x4b: // E-cache error enable
2348 case 0x4c: // E-cache asynchronous fault status
2349 case 0x4d: // E-cache asynchronous fault address
2350 case 0x4e: // E-cache tag data
2351 case 0x66: // I-cache instruction access
2352 case 0x67: // I-cache tag access
2353 case 0x6e: // I-cache predecode
2354 case 0x6f: // I-cache LRU etc.
2355 case 0x76: // E-cache tag
2356 case 0x7e: // E-cache tag
2358 case 0x51: // I-MMU 8k TSB pointer, RO
2359 case 0x52: // I-MMU 64k TSB pointer, RO
2360 case 0x56: // I-MMU tag read, RO
2361 case 0x59: // D-MMU 8k TSB pointer, RO
2362 case 0x5a: // D-MMU 64k TSB pointer, RO
2363 case 0x5b: // D-MMU data pointer, RO
2364 case 0x5e: // D-MMU tag read, RO
2365 case 0x48: // Interrupt dispatch, RO
2366 case 0x7f: // Incoming interrupt vector, RO
2367 case 0x82: // Primary no-fault, RO
2368 case 0x83: // Secondary no-fault, RO
2369 case 0x8a: // Primary no-fault LE, RO
2370 case 0x8b: // Secondary no-fault LE, RO
2372 do_unassigned_access(addr, 1, 0, 1, size);
2376 #endif /* CONFIG_USER_ONLY */
2378 void helper_ldda_asi(target_ulong addr, int asi, int rd)
2380 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2381 || ((env->def->features & CPU_FEATURE_HYPV)
2382 && asi >= 0x30 && asi < 0x80
2383 && !(env->hpstate & HS_PRIV)))
2384 raise_exception(TT_PRIV_ACT);
2387 case 0x24: // Nucleus quad LDD 128 bit atomic
2388 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2389 helper_check_align(addr, 0xf);
2391 env->gregs[1] = ldq_kernel(addr + 8);
2393 bswap64s(&env->gregs[1]);
2394 } else if (rd < 8) {
2395 env->gregs[rd] = ldq_kernel(addr);
2396 env->gregs[rd + 1] = ldq_kernel(addr + 8);
2398 bswap64s(&env->gregs[rd]);
2399 bswap64s(&env->gregs[rd + 1]);
2402 env->regwptr[rd] = ldq_kernel(addr);
2403 env->regwptr[rd + 1] = ldq_kernel(addr + 8);
2405 bswap64s(&env->regwptr[rd]);
2406 bswap64s(&env->regwptr[rd + 1]);
2411 helper_check_align(addr, 0x3);
2413 env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0);
2415 env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0);
2416 env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2418 env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0);
2419 env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2425 void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
2430 helper_check_align(addr, 3);
2432 case 0xf0: // Block load primary
2433 case 0xf1: // Block load secondary
2434 case 0xf8: // Block load primary LE
2435 case 0xf9: // Block load secondary LE
2437 raise_exception(TT_ILL_INSN);
2440 helper_check_align(addr, 0x3f);
2441 for (i = 0; i < 16; i++) {
2442 *(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4,
2452 val = helper_ld_asi(addr, asi, size, 0);
2456 *((uint32_t *)&env->fpr[rd]) = val;
2459 *((int64_t *)&DT0) = val;
2467 void helper_stf_asi(target_ulong addr, int asi, int size, int rd)
2470 target_ulong val = 0;
2472 helper_check_align(addr, 3);
2474 case 0xe0: // UA2007 Block commit store primary (cache flush)
2475 case 0xe1: // UA2007 Block commit store secondary (cache flush)
2476 case 0xf0: // Block store primary
2477 case 0xf1: // Block store secondary
2478 case 0xf8: // Block store primary LE
2479 case 0xf9: // Block store secondary LE
2481 raise_exception(TT_ILL_INSN);
2484 helper_check_align(addr, 0x3f);
2485 for (i = 0; i < 16; i++) {
2486 val = *(uint32_t *)&env->fpr[rd++];
2487 helper_st_asi(addr, val, asi & 0x8f, 4);
2499 val = *((uint32_t *)&env->fpr[rd]);
2502 val = *((int64_t *)&DT0);
2508 helper_st_asi(addr, val, asi, size);
2511 target_ulong helper_cas_asi(target_ulong addr, target_ulong val1,
2512 target_ulong val2, uint32_t asi)
2516 val2 &= 0xffffffffUL;
2517 ret = helper_ld_asi(addr, asi, 4, 0);
2518 ret &= 0xffffffffUL;
2520 helper_st_asi(addr, val1 & 0xffffffffUL, asi, 4);
2524 target_ulong helper_casx_asi(target_ulong addr, target_ulong val1,
2525 target_ulong val2, uint32_t asi)
2529 ret = helper_ld_asi(addr, asi, 8, 0);
2531 helper_st_asi(addr, val1, asi, 8);
2534 #endif /* TARGET_SPARC64 */
2536 #ifndef TARGET_SPARC64
2537 void helper_rett(void)
2541 if (env->psret == 1)
2542 raise_exception(TT_ILL_INSN);
2545 cwp = cpu_cwp_inc(env, env->cwp + 1) ;
2546 if (env->wim & (1 << cwp)) {
2547 raise_exception(TT_WIN_UNF);
2550 env->psrs = env->psrps;
2554 target_ulong helper_udiv(target_ulong a, target_ulong b)
2559 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2563 raise_exception(TT_DIV_ZERO);
2567 if (x0 > 0xffffffff) {
2576 target_ulong helper_sdiv(target_ulong a, target_ulong b)
2581 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2585 raise_exception(TT_DIV_ZERO);
2589 if ((int32_t) x0 != x0) {
2591 return x0 < 0? 0x80000000: 0x7fffffff;
2598 void helper_stdf(target_ulong addr, int mem_idx)
2600 helper_check_align(addr, 7);
2601 #if !defined(CONFIG_USER_ONLY)
2604 stfq_user(addr, DT0);
2607 stfq_kernel(addr, DT0);
2609 #ifdef TARGET_SPARC64
2611 stfq_hypv(addr, DT0);
2618 address_mask(env, &addr);
2619 stfq_raw(addr, DT0);
2623 void helper_lddf(target_ulong addr, int mem_idx)
2625 helper_check_align(addr, 7);
2626 #if !defined(CONFIG_USER_ONLY)
2629 DT0 = ldfq_user(addr);
2632 DT0 = ldfq_kernel(addr);
2634 #ifdef TARGET_SPARC64
2636 DT0 = ldfq_hypv(addr);
2643 address_mask(env, &addr);
2644 DT0 = ldfq_raw(addr);
2648 void helper_ldqf(target_ulong addr, int mem_idx)
2650 // XXX add 128 bit load
2653 helper_check_align(addr, 7);
2654 #if !defined(CONFIG_USER_ONLY)
2657 u.ll.upper = ldq_user(addr);
2658 u.ll.lower = ldq_user(addr + 8);
2662 u.ll.upper = ldq_kernel(addr);
2663 u.ll.lower = ldq_kernel(addr + 8);
2666 #ifdef TARGET_SPARC64
2668 u.ll.upper = ldq_hypv(addr);
2669 u.ll.lower = ldq_hypv(addr + 8);
2677 address_mask(env, &addr);
2678 u.ll.upper = ldq_raw(addr);
2679 u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL);
2684 void helper_stqf(target_ulong addr, int mem_idx)
2686 // XXX add 128 bit store
2689 helper_check_align(addr, 7);
2690 #if !defined(CONFIG_USER_ONLY)
2694 stq_user(addr, u.ll.upper);
2695 stq_user(addr + 8, u.ll.lower);
2699 stq_kernel(addr, u.ll.upper);
2700 stq_kernel(addr + 8, u.ll.lower);
2702 #ifdef TARGET_SPARC64
2705 stq_hypv(addr, u.ll.upper);
2706 stq_hypv(addr + 8, u.ll.lower);
2714 address_mask(env, &addr);
2715 stq_raw(addr, u.ll.upper);
2716 stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower);
2720 static inline void set_fsr(void)
2724 switch (env->fsr & FSR_RD_MASK) {
2725 case FSR_RD_NEAREST:
2726 rnd_mode = float_round_nearest_even;
2730 rnd_mode = float_round_to_zero;
2733 rnd_mode = float_round_up;
2736 rnd_mode = float_round_down;
2739 set_float_rounding_mode(rnd_mode, &env->fp_status);
2742 void helper_ldfsr(uint32_t new_fsr)
2744 env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK);
2748 #ifdef TARGET_SPARC64
2749 void helper_ldxfsr(uint64_t new_fsr)
2751 env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK);
2756 void helper_debug(void)
2758 env->exception_index = EXCP_DEBUG;
2762 #ifndef TARGET_SPARC64
2763 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2765 void helper_save(void)
2769 cwp = cpu_cwp_dec(env, env->cwp - 1);
2770 if (env->wim & (1 << cwp)) {
2771 raise_exception(TT_WIN_OVF);
2776 void helper_restore(void)
2780 cwp = cpu_cwp_inc(env, env->cwp + 1);
2781 if (env->wim & (1 << cwp)) {
2782 raise_exception(TT_WIN_UNF);
2787 void helper_wrpsr(target_ulong new_psr)
2789 if ((new_psr & PSR_CWP) >= env->nwindows)
2790 raise_exception(TT_ILL_INSN);
2792 PUT_PSR(env, new_psr);
2795 target_ulong helper_rdpsr(void)
2797 return GET_PSR(env);
2801 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2803 void helper_save(void)
2807 cwp = cpu_cwp_dec(env, env->cwp - 1);
2808 if (env->cansave == 0) {
2809 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2810 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2811 ((env->wstate & 0x7) << 2)));
2813 if (env->cleanwin - env->canrestore == 0) {
2814 // XXX Clean windows without trap
2815 raise_exception(TT_CLRWIN);
2824 void helper_restore(void)
2828 cwp = cpu_cwp_inc(env, env->cwp + 1);
2829 if (env->canrestore == 0) {
2830 raise_exception(TT_FILL | (env->otherwin != 0 ?
2831 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2832 ((env->wstate & 0x7) << 2)));
2840 void helper_flushw(void)
2842 if (env->cansave != env->nwindows - 2) {
2843 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2844 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2845 ((env->wstate & 0x7) << 2)));
2849 void helper_saved(void)
2852 if (env->otherwin == 0)
2858 void helper_restored(void)
2861 if (env->cleanwin < env->nwindows - 1)
2863 if (env->otherwin == 0)
2869 target_ulong helper_rdccr(void)
2871 return GET_CCR(env);
2874 void helper_wrccr(target_ulong new_ccr)
2876 PUT_CCR(env, new_ccr);
2879 // CWP handling is reversed in V9, but we still use the V8 register
2881 target_ulong helper_rdcwp(void)
2883 return GET_CWP64(env);
2886 void helper_wrcwp(target_ulong new_cwp)
2888 PUT_CWP64(env, new_cwp);
2891 // This function uses non-native bit order
2892 #define GET_FIELD(X, FROM, TO) \
2893 ((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
2895 // This function uses the order in the manuals, i.e. bit 0 is 2^0
2896 #define GET_FIELD_SP(X, FROM, TO) \
2897 GET_FIELD(X, 63 - (TO), 63 - (FROM))
2899 target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
2901 return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
2902 (GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
2903 (GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
2904 (GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
2905 (GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
2906 (GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
2907 (((pixel_addr >> 55) & 1) << 4) |
2908 (GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
2909 GET_FIELD_SP(pixel_addr, 11, 12);
2912 target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
2916 tmp = addr + offset;
2918 env->gsr |= tmp & 7ULL;
2922 target_ulong helper_popc(target_ulong val)
2924 return ctpop64(val);
2927 static inline uint64_t *get_gregset(uint64_t pstate)
2942 static inline void change_pstate(uint64_t new_pstate)
2944 uint64_t pstate_regs, new_pstate_regs;
2945 uint64_t *src, *dst;
2947 pstate_regs = env->pstate & 0xc01;
2948 new_pstate_regs = new_pstate & 0xc01;
2949 if (new_pstate_regs != pstate_regs) {
2950 // Switch global register bank
2951 src = get_gregset(new_pstate_regs);
2952 dst = get_gregset(pstate_regs);
2953 memcpy32(dst, env->gregs);
2954 memcpy32(env->gregs, src);
2956 env->pstate = new_pstate;
2959 void helper_wrpstate(target_ulong new_state)
2961 if (!(env->def->features & CPU_FEATURE_GL))
2962 change_pstate(new_state & 0xf3f);
2965 void helper_done(void)
2967 env->pc = env->tsptr->tpc;
2968 env->npc = env->tsptr->tnpc + 4;
2969 PUT_CCR(env, env->tsptr->tstate >> 32);
2970 env->asi = (env->tsptr->tstate >> 24) & 0xff;
2971 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2972 PUT_CWP64(env, env->tsptr->tstate & 0xff);
2974 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2977 void helper_retry(void)
2979 env->pc = env->tsptr->tpc;
2980 env->npc = env->tsptr->tnpc;
2981 PUT_CCR(env, env->tsptr->tstate >> 32);
2982 env->asi = (env->tsptr->tstate >> 24) & 0xff;
2983 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2984 PUT_CWP64(env, env->tsptr->tstate & 0xff);
2986 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2989 void helper_set_softint(uint64_t value)
2991 env->softint |= (uint32_t)value;
2994 void helper_clear_softint(uint64_t value)
2996 env->softint &= (uint32_t)~value;
2999 void helper_write_softint(uint64_t value)
3001 env->softint = (uint32_t)value;
3005 void helper_flush(target_ulong addr)
3008 tb_invalidate_page_range(addr, addr + 8);
3011 #ifdef TARGET_SPARC64
3013 static const char * const excp_names[0x80] = {
3014 [TT_TFAULT] = "Instruction Access Fault",
3015 [TT_TMISS] = "Instruction Access MMU Miss",
3016 [TT_CODE_ACCESS] = "Instruction Access Error",
3017 [TT_ILL_INSN] = "Illegal Instruction",
3018 [TT_PRIV_INSN] = "Privileged Instruction",
3019 [TT_NFPU_INSN] = "FPU Disabled",
3020 [TT_FP_EXCP] = "FPU Exception",
3021 [TT_TOVF] = "Tag Overflow",
3022 [TT_CLRWIN] = "Clean Windows",
3023 [TT_DIV_ZERO] = "Division By Zero",
3024 [TT_DFAULT] = "Data Access Fault",
3025 [TT_DMISS] = "Data Access MMU Miss",
3026 [TT_DATA_ACCESS] = "Data Access Error",
3027 [TT_DPROT] = "Data Protection Error",
3028 [TT_UNALIGNED] = "Unaligned Memory Access",
3029 [TT_PRIV_ACT] = "Privileged Action",
3030 [TT_EXTINT | 0x1] = "External Interrupt 1",
3031 [TT_EXTINT | 0x2] = "External Interrupt 2",
3032 [TT_EXTINT | 0x3] = "External Interrupt 3",
3033 [TT_EXTINT | 0x4] = "External Interrupt 4",
3034 [TT_EXTINT | 0x5] = "External Interrupt 5",
3035 [TT_EXTINT | 0x6] = "External Interrupt 6",
3036 [TT_EXTINT | 0x7] = "External Interrupt 7",
3037 [TT_EXTINT | 0x8] = "External Interrupt 8",
3038 [TT_EXTINT | 0x9] = "External Interrupt 9",
3039 [TT_EXTINT | 0xa] = "External Interrupt 10",
3040 [TT_EXTINT | 0xb] = "External Interrupt 11",
3041 [TT_EXTINT | 0xc] = "External Interrupt 12",
3042 [TT_EXTINT | 0xd] = "External Interrupt 13",
3043 [TT_EXTINT | 0xe] = "External Interrupt 14",
3044 [TT_EXTINT | 0xf] = "External Interrupt 15",
3048 void do_interrupt(CPUState *env)
3050 int intno = env->exception_index;
3053 if (qemu_loglevel_mask(CPU_LOG_INT)) {
3057 if (intno < 0 || intno >= 0x180)
3059 else if (intno >= 0x100)
3060 name = "Trap Instruction";
3061 else if (intno >= 0xc0)
3062 name = "Window Fill";
3063 else if (intno >= 0x80)
3064 name = "Window Spill";
3066 name = excp_names[intno];
3071 qemu_log("%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
3072 " SP=%016" PRIx64 "\n",
3075 env->npc, env->regwptr[6]);
3076 log_cpu_state(env, 0);
3083 ptr = (uint8_t *)env->pc;
3084 for(i = 0; i < 16; i++) {
3085 qemu_log(" %02x", ldub(ptr + i));
3093 #if !defined(CONFIG_USER_ONLY)
3094 if (env->tl >= env->maxtl) {
3095 cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
3096 " Error state", env->exception_index, env->tl, env->maxtl);
3100 if (env->tl < env->maxtl - 1) {
3103 env->pstate |= PS_RED;
3104 if (env->tl < env->maxtl)
3107 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
3108 env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
3109 ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
3111 env->tsptr->tpc = env->pc;
3112 env->tsptr->tnpc = env->npc;
3113 env->tsptr->tt = intno;
3114 if (!(env->def->features & CPU_FEATURE_GL)) {
3117 change_pstate(PS_PEF | PS_PRIV | PS_IG);
3124 change_pstate(PS_PEF | PS_PRIV | PS_MG);
3127 change_pstate(PS_PEF | PS_PRIV | PS_AG);
3131 if (intno == TT_CLRWIN)
3132 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
3133 else if ((intno & 0x1c0) == TT_SPILL)
3134 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
3135 else if ((intno & 0x1c0) == TT_FILL)
3136 cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
3137 env->tbr &= ~0x7fffULL;
3138 env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
3140 env->npc = env->pc + 4;
3141 env->exception_index = 0;
3145 static const char * const excp_names[0x80] = {
3146 [TT_TFAULT] = "Instruction Access Fault",
3147 [TT_ILL_INSN] = "Illegal Instruction",
3148 [TT_PRIV_INSN] = "Privileged Instruction",
3149 [TT_NFPU_INSN] = "FPU Disabled",
3150 [TT_WIN_OVF] = "Window Overflow",
3151 [TT_WIN_UNF] = "Window Underflow",
3152 [TT_UNALIGNED] = "Unaligned Memory Access",
3153 [TT_FP_EXCP] = "FPU Exception",
3154 [TT_DFAULT] = "Data Access Fault",
3155 [TT_TOVF] = "Tag Overflow",
3156 [TT_EXTINT | 0x1] = "External Interrupt 1",
3157 [TT_EXTINT | 0x2] = "External Interrupt 2",
3158 [TT_EXTINT | 0x3] = "External Interrupt 3",
3159 [TT_EXTINT | 0x4] = "External Interrupt 4",
3160 [TT_EXTINT | 0x5] = "External Interrupt 5",
3161 [TT_EXTINT | 0x6] = "External Interrupt 6",
3162 [TT_EXTINT | 0x7] = "External Interrupt 7",
3163 [TT_EXTINT | 0x8] = "External Interrupt 8",
3164 [TT_EXTINT | 0x9] = "External Interrupt 9",
3165 [TT_EXTINT | 0xa] = "External Interrupt 10",
3166 [TT_EXTINT | 0xb] = "External Interrupt 11",
3167 [TT_EXTINT | 0xc] = "External Interrupt 12",
3168 [TT_EXTINT | 0xd] = "External Interrupt 13",
3169 [TT_EXTINT | 0xe] = "External Interrupt 14",
3170 [TT_EXTINT | 0xf] = "External Interrupt 15",
3171 [TT_TOVF] = "Tag Overflow",
3172 [TT_CODE_ACCESS] = "Instruction Access Error",
3173 [TT_DATA_ACCESS] = "Data Access Error",
3174 [TT_DIV_ZERO] = "Division By Zero",
3175 [TT_NCP_INSN] = "Coprocessor Disabled",
3179 void do_interrupt(CPUState *env)
3181 int cwp, intno = env->exception_index;
3184 if (qemu_loglevel_mask(CPU_LOG_INT)) {
3188 if (intno < 0 || intno >= 0x100)
3190 else if (intno >= 0x80)
3191 name = "Trap Instruction";
3193 name = excp_names[intno];
3198 qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
3201 env->npc, env->regwptr[6]);
3202 log_cpu_state(env, 0);
3209 ptr = (uint8_t *)env->pc;
3210 for(i = 0; i < 16; i++) {
3211 qemu_log(" %02x", ldub(ptr + i));
3219 #if !defined(CONFIG_USER_ONLY)
3220 if (env->psret == 0) {
3221 cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
3222 env->exception_index);
3227 cwp = cpu_cwp_dec(env, env->cwp - 1);
3228 cpu_set_cwp(env, cwp);
3229 env->regwptr[9] = env->pc;
3230 env->regwptr[10] = env->npc;
3231 env->psrps = env->psrs;
3233 env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
3235 env->npc = env->pc + 4;
3236 env->exception_index = 0;
3240 #if !defined(CONFIG_USER_ONLY)
3242 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
3245 #define MMUSUFFIX _mmu
3246 #define ALIGNED_ONLY
3249 #include "softmmu_template.h"
3252 #include "softmmu_template.h"
3255 #include "softmmu_template.h"
3258 #include "softmmu_template.h"
3260 /* XXX: make it generic ? */
3261 static void cpu_restore_state2(void *retaddr)
3263 TranslationBlock *tb;
3267 /* now we have a real cpu fault */
3268 pc = (unsigned long)retaddr;
3269 tb = tb_find_pc(pc);
3271 /* the PC is inside the translated code. It means that we have
3272 a virtual CPU fault */
3273 cpu_restore_state(tb, env, pc, (void *)(long)env->cond);
3278 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
3281 #ifdef DEBUG_UNALIGNED
3282 printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
3283 "\n", addr, env->pc);
3285 cpu_restore_state2(retaddr);
3286 raise_exception(TT_UNALIGNED);
3289 /* try to fill the TLB and return an exception if error. If retaddr is
3290 NULL, it means that the function was called in C code (i.e. not
3291 from generated code or from helper.c) */
3292 /* XXX: fix it to restore all registers */
3293 void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
3296 CPUState *saved_env;
3298 /* XXX: hack to restore env in all cases, even if not called from
3301 env = cpu_single_env;
3303 ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
3305 cpu_restore_state2(retaddr);
3313 #ifndef TARGET_SPARC64
3314 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3315 int is_asi, int size)
3317 CPUState *saved_env;
3319 /* XXX: hack to restore env in all cases, even if not called from
3322 env = cpu_single_env;
3323 #ifdef DEBUG_UNASSIGNED
3325 printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
3326 " asi 0x%02x from " TARGET_FMT_lx "\n",
3327 is_exec ? "exec" : is_write ? "write" : "read", size,
3328 size == 1 ? "" : "s", addr, is_asi, env->pc);
3330 printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
3331 " from " TARGET_FMT_lx "\n",
3332 is_exec ? "exec" : is_write ? "write" : "read", size,
3333 size == 1 ? "" : "s", addr, env->pc);
3335 if (env->mmuregs[3]) /* Fault status register */
3336 env->mmuregs[3] = 1; /* overflow (not read before another fault) */
3338 env->mmuregs[3] |= 1 << 16;
3340 env->mmuregs[3] |= 1 << 5;
3342 env->mmuregs[3] |= 1 << 6;
3344 env->mmuregs[3] |= 1 << 7;
3345 env->mmuregs[3] |= (5 << 2) | 2;
3346 env->mmuregs[4] = addr; /* Fault address register */
3347 if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) {
3349 raise_exception(TT_CODE_ACCESS);
3351 raise_exception(TT_DATA_ACCESS);
3356 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3357 int is_asi, int size)
3359 #ifdef DEBUG_UNASSIGNED
3360 CPUState *saved_env;
3362 /* XXX: hack to restore env in all cases, even if not called from
3365 env = cpu_single_env;
3366 printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx
3367 "\n", addr, env->pc);
3371 raise_exception(TT_CODE_ACCESS);
3373 raise_exception(TT_DATA_ACCESS);
3377 #ifdef TARGET_SPARC64
3378 void helper_tick_set_count(void *opaque, uint64_t count)
3380 #if !defined(CONFIG_USER_ONLY)
3381 cpu_tick_set_count(opaque, count);
3385 uint64_t helper_tick_get_count(void *opaque)
3387 #if !defined(CONFIG_USER_ONLY)
3388 return cpu_tick_get_count(opaque);
3394 void helper_tick_set_limit(void *opaque, uint64_t limit)
3396 #if !defined(CONFIG_USER_ONLY)
3397 cpu_tick_set_limit(opaque, limit);