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 static uint32_t compute_all_addx(void)
867 ret = get_NZ_icc(CC_DST);
868 ret |= get_C_add_icc(CC_DST - CC_SRC2, CC_SRC);
869 ret |= get_C_add_icc(CC_DST, CC_SRC);
870 ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2);
874 static uint32_t compute_C_addx(void)
878 ret = get_C_add_icc(CC_DST - CC_SRC2, CC_SRC);
879 ret |= get_C_add_icc(CC_DST, CC_SRC);
883 #ifdef TARGET_SPARC64
884 static uint32_t compute_all_addx_xcc(void)
888 ret = get_NZ_xcc(CC_DST);
889 ret |= get_C_add_xcc(CC_DST - CC_SRC2, CC_SRC);
890 ret |= get_C_add_xcc(CC_DST, CC_SRC);
891 ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2);
895 static uint32_t compute_C_addx_xcc(void)
899 ret = get_C_add_xcc(CC_DST - CC_SRC2, CC_SRC);
900 ret |= get_C_add_xcc(CC_DST, CC_SRC);
905 static inline uint32_t get_C_sub_icc(target_ulong src1, target_ulong src2)
909 if ((src1 & 0xffffffffULL) < (src2 & 0xffffffffULL))
914 static inline uint32_t get_V_sub_icc(target_ulong dst, target_ulong src1,
919 if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 31))
924 static uint32_t compute_all_sub(void)
928 ret = get_NZ_icc(CC_DST);
929 ret |= get_C_sub_icc(CC_SRC, CC_SRC2);
930 ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
934 static uint32_t compute_C_sub(void)
936 return get_C_sub_icc(CC_SRC, CC_SRC2);
939 #ifdef TARGET_SPARC64
940 static inline uint32_t get_C_sub_xcc(target_ulong src1, target_ulong src2)
949 static inline uint32_t get_V_sub_xcc(target_ulong dst, target_ulong src1,
954 if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 63))
959 static uint32_t compute_all_sub_xcc(void)
963 ret = get_NZ_xcc(CC_DST);
964 ret |= get_C_sub_xcc(CC_SRC, CC_SRC2);
965 ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2);
969 static uint32_t compute_C_sub_xcc(void)
971 return get_C_sub_xcc(CC_SRC, CC_SRC2);
975 static uint32_t compute_all_subx(void)
979 ret = get_NZ_icc(CC_DST);
980 ret |= get_C_sub_icc(CC_DST - CC_SRC2, CC_SRC);
981 ret |= get_C_sub_icc(CC_DST, CC_SRC2);
982 ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
986 static uint32_t compute_C_subx(void)
990 ret = get_C_sub_icc(CC_DST - CC_SRC2, CC_SRC);
991 ret |= get_C_sub_icc(CC_DST, CC_SRC2);
995 #ifdef TARGET_SPARC64
996 static uint32_t compute_all_subx_xcc(void)
1000 ret = get_NZ_xcc(CC_DST);
1001 ret |= get_C_sub_xcc(CC_DST - CC_SRC2, CC_SRC);
1002 ret |= get_C_sub_xcc(CC_DST, CC_SRC2);
1003 ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2);
1007 static uint32_t compute_C_subx_xcc(void)
1011 ret = get_C_sub_xcc(CC_DST - CC_SRC2, CC_SRC);
1012 ret |= get_C_sub_xcc(CC_DST, CC_SRC2);
1017 static uint32_t compute_all_logic(void)
1019 return get_NZ_icc(CC_DST);
1022 static uint32_t compute_C_logic(void)
1027 #ifdef TARGET_SPARC64
1028 static uint32_t compute_all_logic_xcc(void)
1030 return get_NZ_xcc(CC_DST);
1034 typedef struct CCTable {
1035 uint32_t (*compute_all)(void); /* return all the flags */
1036 uint32_t (*compute_c)(void); /* return the C flag */
1039 static const CCTable icc_table[CC_OP_NB] = {
1040 /* CC_OP_DYNAMIC should never happen */
1041 [CC_OP_FLAGS] = { compute_all_flags, compute_C_flags },
1042 [CC_OP_ADD] = { compute_all_add, compute_C_add },
1043 [CC_OP_ADDX] = { compute_all_addx, compute_C_addx },
1044 [CC_OP_SUB] = { compute_all_sub, compute_C_sub },
1045 [CC_OP_SUBX] = { compute_all_subx, compute_C_subx },
1046 [CC_OP_LOGIC] = { compute_all_logic, compute_C_logic },
1049 #ifdef TARGET_SPARC64
1050 static const CCTable xcc_table[CC_OP_NB] = {
1051 /* CC_OP_DYNAMIC should never happen */
1052 [CC_OP_FLAGS] = { compute_all_flags_xcc, compute_C_flags_xcc },
1053 [CC_OP_ADD] = { compute_all_add_xcc, compute_C_add_xcc },
1054 [CC_OP_ADDX] = { compute_all_addx_xcc, compute_C_addx_xcc },
1055 [CC_OP_SUB] = { compute_all_sub_xcc, compute_C_sub_xcc },
1056 [CC_OP_SUBX] = { compute_all_subx_xcc, compute_C_subx_xcc },
1057 [CC_OP_LOGIC] = { compute_all_logic_xcc, compute_C_logic },
1061 void helper_compute_psr(void)
1065 new_psr = icc_table[CC_OP].compute_all();
1067 #ifdef TARGET_SPARC64
1068 new_psr = xcc_table[CC_OP].compute_all();
1071 CC_OP = CC_OP_FLAGS;
1074 uint32_t helper_compute_C_icc(void)
1078 ret = icc_table[CC_OP].compute_c() >> PSR_CARRY_SHIFT;
1082 #ifdef TARGET_SPARC64
1083 GEN_FCMPS(fcmps_fcc1, float32, 22, 0);
1084 GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
1085 GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
1087 GEN_FCMPS(fcmps_fcc2, float32, 24, 0);
1088 GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
1089 GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
1091 GEN_FCMPS(fcmps_fcc3, float32, 26, 0);
1092 GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
1093 GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
1095 GEN_FCMPS(fcmpes_fcc1, float32, 22, 1);
1096 GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
1097 GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
1099 GEN_FCMPS(fcmpes_fcc2, float32, 24, 1);
1100 GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
1101 GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
1103 GEN_FCMPS(fcmpes_fcc3, float32, 26, 1);
1104 GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
1105 GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
1109 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
1111 static void dump_mxcc(CPUState *env)
1113 printf("mxccdata: %016llx %016llx %016llx %016llx\n",
1114 env->mxccdata[0], env->mxccdata[1],
1115 env->mxccdata[2], env->mxccdata[3]);
1116 printf("mxccregs: %016llx %016llx %016llx %016llx\n"
1117 " %016llx %016llx %016llx %016llx\n",
1118 env->mxccregs[0], env->mxccregs[1],
1119 env->mxccregs[2], env->mxccregs[3],
1120 env->mxccregs[4], env->mxccregs[5],
1121 env->mxccregs[6], env->mxccregs[7]);
1125 #if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
1126 && defined(DEBUG_ASI)
1127 static void dump_asi(const char *txt, target_ulong addr, int asi, int size,
1133 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt,
1134 addr, asi, r1 & 0xff);
1137 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt,
1138 addr, asi, r1 & 0xffff);
1141 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt,
1142 addr, asi, r1 & 0xffffffff);
1145 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt,
1152 #ifndef TARGET_SPARC64
1153 #ifndef CONFIG_USER_ONLY
1154 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1157 #if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
1158 uint32_t last_addr = addr;
1161 helper_check_align(addr, size - 1);
1163 case 2: /* SuperSparc MXCC registers */
1165 case 0x01c00a00: /* MXCC control register */
1167 ret = env->mxccregs[3];
1169 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1172 case 0x01c00a04: /* MXCC control register */
1174 ret = env->mxccregs[3];
1176 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1179 case 0x01c00c00: /* Module reset register */
1181 ret = env->mxccregs[5];
1182 // should we do something here?
1184 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1187 case 0x01c00f00: /* MBus port address register */
1189 ret = env->mxccregs[7];
1191 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1195 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1199 DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
1200 "addr = %08x -> ret = %" PRIx64 ","
1201 "addr = %08x\n", asi, size, sign, last_addr, ret, addr);
1206 case 3: /* MMU probe */
1210 mmulev = (addr >> 8) & 15;
1214 ret = mmu_probe(env, addr, mmulev);
1215 DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n",
1219 case 4: /* read MMU regs */
1221 int reg = (addr >> 8) & 0x1f;
1223 ret = env->mmuregs[reg];
1224 if (reg == 3) /* Fault status cleared on read */
1225 env->mmuregs[3] = 0;
1226 else if (reg == 0x13) /* Fault status read */
1227 ret = env->mmuregs[3];
1228 else if (reg == 0x14) /* Fault address read */
1229 ret = env->mmuregs[4];
1230 DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret);
1233 case 5: // Turbosparc ITLB Diagnostic
1234 case 6: // Turbosparc DTLB Diagnostic
1235 case 7: // Turbosparc IOTLB Diagnostic
1237 case 9: /* Supervisor code access */
1240 ret = ldub_code(addr);
1243 ret = lduw_code(addr);
1247 ret = ldl_code(addr);
1250 ret = ldq_code(addr);
1254 case 0xa: /* User data access */
1257 ret = ldub_user(addr);
1260 ret = lduw_user(addr);
1264 ret = ldl_user(addr);
1267 ret = ldq_user(addr);
1271 case 0xb: /* Supervisor data access */
1274 ret = ldub_kernel(addr);
1277 ret = lduw_kernel(addr);
1281 ret = ldl_kernel(addr);
1284 ret = ldq_kernel(addr);
1288 case 0xc: /* I-cache tag */
1289 case 0xd: /* I-cache data */
1290 case 0xe: /* D-cache tag */
1291 case 0xf: /* D-cache data */
1293 case 0x20: /* MMU passthrough */
1296 ret = ldub_phys(addr);
1299 ret = lduw_phys(addr);
1303 ret = ldl_phys(addr);
1306 ret = ldq_phys(addr);
1310 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1313 ret = ldub_phys((target_phys_addr_t)addr
1314 | ((target_phys_addr_t)(asi & 0xf) << 32));
1317 ret = lduw_phys((target_phys_addr_t)addr
1318 | ((target_phys_addr_t)(asi & 0xf) << 32));
1322 ret = ldl_phys((target_phys_addr_t)addr
1323 | ((target_phys_addr_t)(asi & 0xf) << 32));
1326 ret = ldq_phys((target_phys_addr_t)addr
1327 | ((target_phys_addr_t)(asi & 0xf) << 32));
1331 case 0x30: // Turbosparc secondary cache diagnostic
1332 case 0x31: // Turbosparc RAM snoop
1333 case 0x32: // Turbosparc page table descriptor diagnostic
1334 case 0x39: /* data cache diagnostic register */
1337 case 0x38: /* SuperSPARC MMU Breakpoint Control Registers */
1339 int reg = (addr >> 8) & 3;
1342 case 0: /* Breakpoint Value (Addr) */
1343 ret = env->mmubpregs[reg];
1345 case 1: /* Breakpoint Mask */
1346 ret = env->mmubpregs[reg];
1348 case 2: /* Breakpoint Control */
1349 ret = env->mmubpregs[reg];
1351 case 3: /* Breakpoint Status */
1352 ret = env->mmubpregs[reg];
1353 env->mmubpregs[reg] = 0ULL;
1356 DPRINTF_MMU("read breakpoint reg[%d] 0x%016llx\n", reg, ret);
1359 case 8: /* User code access, XXX */
1361 do_unassigned_access(addr, 0, 0, asi, size);
1371 ret = (int16_t) ret;
1374 ret = (int32_t) ret;
1381 dump_asi("read ", last_addr, asi, size, ret);
1386 void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size)
1388 helper_check_align(addr, size - 1);
1390 case 2: /* SuperSparc MXCC registers */
1392 case 0x01c00000: /* MXCC stream data register 0 */
1394 env->mxccdata[0] = val;
1396 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1399 case 0x01c00008: /* MXCC stream data register 1 */
1401 env->mxccdata[1] = val;
1403 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1406 case 0x01c00010: /* MXCC stream data register 2 */
1408 env->mxccdata[2] = val;
1410 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1413 case 0x01c00018: /* MXCC stream data register 3 */
1415 env->mxccdata[3] = val;
1417 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1420 case 0x01c00100: /* MXCC stream source */
1422 env->mxccregs[0] = val;
1424 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1426 env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1428 env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1430 env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1432 env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1435 case 0x01c00200: /* MXCC stream destination */
1437 env->mxccregs[1] = val;
1439 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1441 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0,
1443 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8,
1445 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16,
1447 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24,
1450 case 0x01c00a00: /* MXCC control register */
1452 env->mxccregs[3] = val;
1454 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1457 case 0x01c00a04: /* MXCC control register */
1459 env->mxccregs[3] = (env->mxccregs[3] & 0xffffffff00000000ULL)
1462 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1465 case 0x01c00e00: /* MXCC error register */
1466 // writing a 1 bit clears the error
1468 env->mxccregs[6] &= ~val;
1470 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1473 case 0x01c00f00: /* MBus port address register */
1475 env->mxccregs[7] = val;
1477 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1481 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1485 DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %" PRIx64 "\n",
1486 asi, size, addr, val);
1491 case 3: /* MMU flush */
1495 mmulev = (addr >> 8) & 15;
1496 DPRINTF_MMU("mmu flush level %d\n", mmulev);
1498 case 0: // flush page
1499 tlb_flush_page(env, addr & 0xfffff000);
1501 case 1: // flush segment (256k)
1502 case 2: // flush region (16M)
1503 case 3: // flush context (4G)
1504 case 4: // flush entire
1515 case 4: /* write MMU regs */
1517 int reg = (addr >> 8) & 0x1f;
1520 oldreg = env->mmuregs[reg];
1522 case 0: // Control Register
1523 env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
1525 // Mappings generated during no-fault mode or MMU
1526 // disabled mode are invalid in normal mode
1527 if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) !=
1528 (env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm)))
1531 case 1: // Context Table Pointer Register
1532 env->mmuregs[reg] = val & env->def->mmu_ctpr_mask;
1534 case 2: // Context Register
1535 env->mmuregs[reg] = val & env->def->mmu_cxr_mask;
1536 if (oldreg != env->mmuregs[reg]) {
1537 /* we flush when the MMU context changes because
1538 QEMU has no MMU context support */
1542 case 3: // Synchronous Fault Status Register with Clear
1543 case 4: // Synchronous Fault Address Register
1545 case 0x10: // TLB Replacement Control Register
1546 env->mmuregs[reg] = val & env->def->mmu_trcr_mask;
1548 case 0x13: // Synchronous Fault Status Register with Read and Clear
1549 env->mmuregs[3] = val & env->def->mmu_sfsr_mask;
1551 case 0x14: // Synchronous Fault Address Register
1552 env->mmuregs[4] = val;
1555 env->mmuregs[reg] = val;
1558 if (oldreg != env->mmuregs[reg]) {
1559 DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
1560 reg, oldreg, env->mmuregs[reg]);
1567 case 5: // Turbosparc ITLB Diagnostic
1568 case 6: // Turbosparc DTLB Diagnostic
1569 case 7: // Turbosparc IOTLB Diagnostic
1571 case 0xa: /* User data access */
1574 stb_user(addr, val);
1577 stw_user(addr, val);
1581 stl_user(addr, val);
1584 stq_user(addr, val);
1588 case 0xb: /* Supervisor data access */
1591 stb_kernel(addr, val);
1594 stw_kernel(addr, val);
1598 stl_kernel(addr, val);
1601 stq_kernel(addr, val);
1605 case 0xc: /* I-cache tag */
1606 case 0xd: /* I-cache data */
1607 case 0xe: /* D-cache tag */
1608 case 0xf: /* D-cache data */
1609 case 0x10: /* I/D-cache flush page */
1610 case 0x11: /* I/D-cache flush segment */
1611 case 0x12: /* I/D-cache flush region */
1612 case 0x13: /* I/D-cache flush context */
1613 case 0x14: /* I/D-cache flush user */
1615 case 0x17: /* Block copy, sta access */
1621 uint32_t src = val & ~3, dst = addr & ~3, temp;
1623 for (i = 0; i < 32; i += 4, src += 4, dst += 4) {
1624 temp = ldl_kernel(src);
1625 stl_kernel(dst, temp);
1629 case 0x1f: /* Block fill, stda access */
1632 // fill 32 bytes with val
1634 uint32_t dst = addr & 7;
1636 for (i = 0; i < 32; i += 8, dst += 8)
1637 stq_kernel(dst, val);
1640 case 0x20: /* MMU passthrough */
1644 stb_phys(addr, val);
1647 stw_phys(addr, val);
1651 stl_phys(addr, val);
1654 stq_phys(addr, val);
1659 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1663 stb_phys((target_phys_addr_t)addr
1664 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1667 stw_phys((target_phys_addr_t)addr
1668 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1672 stl_phys((target_phys_addr_t)addr
1673 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1676 stq_phys((target_phys_addr_t)addr
1677 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1682 case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic
1683 case 0x31: // store buffer data, Ross RT620 I-cache flush or
1684 // Turbosparc snoop RAM
1685 case 0x32: // store buffer control or Turbosparc page table
1686 // descriptor diagnostic
1687 case 0x36: /* I-cache flash clear */
1688 case 0x37: /* D-cache flash clear */
1689 case 0x4c: /* breakpoint action */
1691 case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/
1693 int reg = (addr >> 8) & 3;
1696 case 0: /* Breakpoint Value (Addr) */
1697 env->mmubpregs[reg] = (val & 0xfffffffffULL);
1699 case 1: /* Breakpoint Mask */
1700 env->mmubpregs[reg] = (val & 0xfffffffffULL);
1702 case 2: /* Breakpoint Control */
1703 env->mmubpregs[reg] = (val & 0x7fULL);
1705 case 3: /* Breakpoint Status */
1706 env->mmubpregs[reg] = (val & 0xfULL);
1709 DPRINTF_MMU("write breakpoint reg[%d] 0x%016llx\n", reg,
1713 case 8: /* User code access, XXX */
1714 case 9: /* Supervisor code access, XXX */
1716 do_unassigned_access(addr, 1, 0, asi, size);
1720 dump_asi("write", addr, asi, size, val);
1724 #endif /* CONFIG_USER_ONLY */
1725 #else /* TARGET_SPARC64 */
1727 #ifdef CONFIG_USER_ONLY
1728 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1731 #if defined(DEBUG_ASI)
1732 target_ulong last_addr = addr;
1736 raise_exception(TT_PRIV_ACT);
1738 helper_check_align(addr, size - 1);
1739 address_mask(env, &addr);
1742 case 0x82: // Primary no-fault
1743 case 0x8a: // Primary no-fault LE
1744 if (page_check_range(addr, size, PAGE_READ) == -1) {
1746 dump_asi("read ", last_addr, asi, size, ret);
1751 case 0x80: // Primary
1752 case 0x88: // Primary LE
1756 ret = ldub_raw(addr);
1759 ret = lduw_raw(addr);
1762 ret = ldl_raw(addr);
1766 ret = ldq_raw(addr);
1771 case 0x83: // Secondary no-fault
1772 case 0x8b: // Secondary no-fault LE
1773 if (page_check_range(addr, size, PAGE_READ) == -1) {
1775 dump_asi("read ", last_addr, asi, size, ret);
1780 case 0x81: // Secondary
1781 case 0x89: // Secondary LE
1788 /* Convert from little endian */
1790 case 0x88: // Primary LE
1791 case 0x89: // Secondary LE
1792 case 0x8a: // Primary no-fault LE
1793 case 0x8b: // Secondary no-fault LE
1811 /* Convert to signed number */
1818 ret = (int16_t) ret;
1821 ret = (int32_t) ret;
1828 dump_asi("read ", last_addr, asi, size, ret);
1833 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1836 dump_asi("write", addr, asi, size, val);
1839 raise_exception(TT_PRIV_ACT);
1841 helper_check_align(addr, size - 1);
1842 address_mask(env, &addr);
1844 /* Convert to little endian */
1846 case 0x88: // Primary LE
1847 case 0x89: // Secondary LE
1850 addr = bswap16(addr);
1853 addr = bswap32(addr);
1856 addr = bswap64(addr);
1866 case 0x80: // Primary
1867 case 0x88: // Primary LE
1886 case 0x81: // Secondary
1887 case 0x89: // Secondary LE
1891 case 0x82: // Primary no-fault, RO
1892 case 0x83: // Secondary no-fault, RO
1893 case 0x8a: // Primary no-fault LE, RO
1894 case 0x8b: // Secondary no-fault LE, RO
1896 do_unassigned_access(addr, 1, 0, 1, size);
1901 #else /* CONFIG_USER_ONLY */
1903 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1906 #if defined(DEBUG_ASI)
1907 target_ulong last_addr = addr;
1910 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1911 || ((env->def->features & CPU_FEATURE_HYPV)
1912 && asi >= 0x30 && asi < 0x80
1913 && !(env->hpstate & HS_PRIV)))
1914 raise_exception(TT_PRIV_ACT);
1916 helper_check_align(addr, size - 1);
1918 case 0x82: // Primary no-fault
1919 case 0x8a: // Primary no-fault LE
1920 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
1922 dump_asi("read ", last_addr, asi, size, ret);
1927 case 0x10: // As if user primary
1928 case 0x18: // As if user primary LE
1929 case 0x80: // Primary
1930 case 0x88: // Primary LE
1931 case 0xe2: // UA2007 Primary block init
1932 case 0xe3: // UA2007 Secondary block init
1933 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1934 if ((env->def->features & CPU_FEATURE_HYPV)
1935 && env->hpstate & HS_PRIV) {
1938 ret = ldub_hypv(addr);
1941 ret = lduw_hypv(addr);
1944 ret = ldl_hypv(addr);
1948 ret = ldq_hypv(addr);
1954 ret = ldub_kernel(addr);
1957 ret = lduw_kernel(addr);
1960 ret = ldl_kernel(addr);
1964 ret = ldq_kernel(addr);
1971 ret = ldub_user(addr);
1974 ret = lduw_user(addr);
1977 ret = ldl_user(addr);
1981 ret = ldq_user(addr);
1986 case 0x14: // Bypass
1987 case 0x15: // Bypass, non-cacheable
1988 case 0x1c: // Bypass LE
1989 case 0x1d: // Bypass, non-cacheable LE
1993 ret = ldub_phys(addr);
1996 ret = lduw_phys(addr);
1999 ret = ldl_phys(addr);
2003 ret = ldq_phys(addr);
2008 case 0x24: // Nucleus quad LDD 128 bit atomic
2009 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2010 // Only ldda allowed
2011 raise_exception(TT_ILL_INSN);
2013 case 0x83: // Secondary no-fault
2014 case 0x8b: // Secondary no-fault LE
2015 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
2017 dump_asi("read ", last_addr, asi, size, ret);
2022 case 0x04: // Nucleus
2023 case 0x0c: // Nucleus Little Endian (LE)
2024 case 0x11: // As if user secondary
2025 case 0x19: // As if user secondary LE
2026 case 0x4a: // UPA config
2027 case 0x81: // Secondary
2028 case 0x89: // Secondary LE
2034 case 0x50: // I-MMU regs
2036 int reg = (addr >> 3) & 0xf;
2039 // I-TSB Tag Target register
2040 ret = ultrasparc_tag_target(env->immuregs[6]);
2042 ret = env->immuregs[reg];
2047 case 0x51: // I-MMU 8k TSB pointer
2049 // env->immuregs[5] holds I-MMU TSB register value
2050 // env->immuregs[6] holds I-MMU Tag Access register value
2051 ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6],
2055 case 0x52: // I-MMU 64k TSB pointer
2057 // env->immuregs[5] holds I-MMU TSB register value
2058 // env->immuregs[6] holds I-MMU Tag Access register value
2059 ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6],
2063 case 0x55: // I-MMU data access
2065 int reg = (addr >> 3) & 0x3f;
2067 ret = env->itlb_tte[reg];
2070 case 0x56: // I-MMU tag read
2072 int reg = (addr >> 3) & 0x3f;
2074 ret = env->itlb_tag[reg];
2077 case 0x58: // D-MMU regs
2079 int reg = (addr >> 3) & 0xf;
2082 // D-TSB Tag Target register
2083 ret = ultrasparc_tag_target(env->dmmuregs[6]);
2085 ret = env->dmmuregs[reg];
2089 case 0x59: // D-MMU 8k TSB pointer
2091 // env->dmmuregs[5] holds D-MMU TSB register value
2092 // env->dmmuregs[6] holds D-MMU Tag Access register value
2093 ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6],
2097 case 0x5a: // D-MMU 64k TSB pointer
2099 // env->dmmuregs[5] holds D-MMU TSB register value
2100 // env->dmmuregs[6] holds D-MMU Tag Access register value
2101 ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6],
2105 case 0x5d: // D-MMU data access
2107 int reg = (addr >> 3) & 0x3f;
2109 ret = env->dtlb_tte[reg];
2112 case 0x5e: // D-MMU tag read
2114 int reg = (addr >> 3) & 0x3f;
2116 ret = env->dtlb_tag[reg];
2119 case 0x46: // D-cache data
2120 case 0x47: // D-cache tag access
2121 case 0x4b: // E-cache error enable
2122 case 0x4c: // E-cache asynchronous fault status
2123 case 0x4d: // E-cache asynchronous fault address
2124 case 0x4e: // E-cache tag data
2125 case 0x66: // I-cache instruction access
2126 case 0x67: // I-cache tag access
2127 case 0x6e: // I-cache predecode
2128 case 0x6f: // I-cache LRU etc.
2129 case 0x76: // E-cache tag
2130 case 0x7e: // E-cache tag
2132 case 0x5b: // D-MMU data pointer
2133 case 0x48: // Interrupt dispatch, RO
2134 case 0x49: // Interrupt data receive
2135 case 0x7f: // Incoming interrupt vector, RO
2138 case 0x54: // I-MMU data in, WO
2139 case 0x57: // I-MMU demap, WO
2140 case 0x5c: // D-MMU data in, WO
2141 case 0x5f: // D-MMU demap, WO
2142 case 0x77: // Interrupt vector, WO
2144 do_unassigned_access(addr, 0, 0, 1, size);
2149 /* Convert from little endian */
2151 case 0x0c: // Nucleus Little Endian (LE)
2152 case 0x18: // As if user primary LE
2153 case 0x19: // As if user secondary LE
2154 case 0x1c: // Bypass LE
2155 case 0x1d: // Bypass, non-cacheable LE
2156 case 0x88: // Primary LE
2157 case 0x89: // Secondary LE
2158 case 0x8a: // Primary no-fault LE
2159 case 0x8b: // Secondary no-fault LE
2177 /* Convert to signed number */
2184 ret = (int16_t) ret;
2187 ret = (int32_t) ret;
2194 dump_asi("read ", last_addr, asi, size, ret);
2199 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
2202 dump_asi("write", addr, asi, size, val);
2204 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2205 || ((env->def->features & CPU_FEATURE_HYPV)
2206 && asi >= 0x30 && asi < 0x80
2207 && !(env->hpstate & HS_PRIV)))
2208 raise_exception(TT_PRIV_ACT);
2210 helper_check_align(addr, size - 1);
2211 /* Convert to little endian */
2213 case 0x0c: // Nucleus Little Endian (LE)
2214 case 0x18: // As if user primary LE
2215 case 0x19: // As if user secondary LE
2216 case 0x1c: // Bypass LE
2217 case 0x1d: // Bypass, non-cacheable LE
2218 case 0x88: // Primary LE
2219 case 0x89: // Secondary LE
2222 addr = bswap16(addr);
2225 addr = bswap32(addr);
2228 addr = bswap64(addr);
2238 case 0x10: // As if user primary
2239 case 0x18: // As if user primary LE
2240 case 0x80: // Primary
2241 case 0x88: // Primary LE
2242 case 0xe2: // UA2007 Primary block init
2243 case 0xe3: // UA2007 Secondary block init
2244 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
2245 if ((env->def->features & CPU_FEATURE_HYPV)
2246 && env->hpstate & HS_PRIV) {
2249 stb_hypv(addr, val);
2252 stw_hypv(addr, val);
2255 stl_hypv(addr, val);
2259 stq_hypv(addr, val);
2265 stb_kernel(addr, val);
2268 stw_kernel(addr, val);
2271 stl_kernel(addr, val);
2275 stq_kernel(addr, val);
2282 stb_user(addr, val);
2285 stw_user(addr, val);
2288 stl_user(addr, val);
2292 stq_user(addr, val);
2297 case 0x14: // Bypass
2298 case 0x15: // Bypass, non-cacheable
2299 case 0x1c: // Bypass LE
2300 case 0x1d: // Bypass, non-cacheable LE
2304 stb_phys(addr, val);
2307 stw_phys(addr, val);
2310 stl_phys(addr, val);
2314 stq_phys(addr, val);
2319 case 0x24: // Nucleus quad LDD 128 bit atomic
2320 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2321 // Only ldda allowed
2322 raise_exception(TT_ILL_INSN);
2324 case 0x04: // Nucleus
2325 case 0x0c: // Nucleus Little Endian (LE)
2326 case 0x11: // As if user secondary
2327 case 0x19: // As if user secondary LE
2328 case 0x4a: // UPA config
2329 case 0x81: // Secondary
2330 case 0x89: // Secondary LE
2338 env->lsu = val & (DMMU_E | IMMU_E);
2339 // Mappings generated during D/I MMU disabled mode are
2340 // invalid in normal mode
2341 if (oldreg != env->lsu) {
2342 DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n",
2351 case 0x50: // I-MMU regs
2353 int reg = (addr >> 3) & 0xf;
2356 oldreg = env->immuregs[reg];
2361 case 1: // Not in I-MMU
2368 val = 0; // Clear SFSR
2370 case 5: // TSB access
2371 case 6: // Tag access
2375 env->immuregs[reg] = val;
2376 if (oldreg != env->immuregs[reg]) {
2377 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
2378 PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
2385 case 0x54: // I-MMU data in
2389 // Try finding an invalid entry
2390 for (i = 0; i < 64; i++) {
2391 if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) {
2392 env->itlb_tag[i] = env->immuregs[6];
2393 env->itlb_tte[i] = val;
2397 // Try finding an unlocked entry
2398 for (i = 0; i < 64; i++) {
2399 if ((env->itlb_tte[i] & 0x40) == 0) {
2400 env->itlb_tag[i] = env->immuregs[6];
2401 env->itlb_tte[i] = val;
2408 case 0x55: // I-MMU data access
2412 unsigned int i = (addr >> 3) & 0x3f;
2414 env->itlb_tag[i] = env->immuregs[6];
2415 env->itlb_tte[i] = val;
2418 case 0x57: // I-MMU demap
2422 for (i = 0; i < 64; i++) {
2423 if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0) {
2424 target_ulong mask = 0xffffffffffffe000ULL;
2426 mask <<= 3 * ((env->itlb_tte[i] >> 61) & 3);
2427 if ((val & mask) == (env->itlb_tag[i] & mask)) {
2428 env->itlb_tag[i] = 0;
2429 env->itlb_tte[i] = 0;
2436 case 0x58: // D-MMU regs
2438 int reg = (addr >> 3) & 0xf;
2441 oldreg = env->dmmuregs[reg];
2447 if ((val & 1) == 0) {
2448 val = 0; // Clear SFSR, Fault address
2449 env->dmmuregs[4] = 0;
2451 env->dmmuregs[reg] = val;
2453 case 1: // Primary context
2454 case 2: // Secondary context
2455 case 5: // TSB access
2456 case 6: // Tag access
2457 case 7: // Virtual Watchpoint
2458 case 8: // Physical Watchpoint
2462 env->dmmuregs[reg] = val;
2463 if (oldreg != env->dmmuregs[reg]) {
2464 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
2465 PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
2472 case 0x5c: // D-MMU data in
2476 // Try finding an invalid entry
2477 for (i = 0; i < 64; i++) {
2478 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) {
2479 env->dtlb_tag[i] = env->dmmuregs[6];
2480 env->dtlb_tte[i] = val;
2484 // Try finding an unlocked entry
2485 for (i = 0; i < 64; i++) {
2486 if ((env->dtlb_tte[i] & 0x40) == 0) {
2487 env->dtlb_tag[i] = env->dmmuregs[6];
2488 env->dtlb_tte[i] = val;
2495 case 0x5d: // D-MMU data access
2497 unsigned int i = (addr >> 3) & 0x3f;
2499 env->dtlb_tag[i] = env->dmmuregs[6];
2500 env->dtlb_tte[i] = val;
2503 case 0x5f: // D-MMU demap
2507 for (i = 0; i < 64; i++) {
2508 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0) {
2509 target_ulong mask = 0xffffffffffffe000ULL;
2511 mask <<= 3 * ((env->dtlb_tte[i] >> 61) & 3);
2512 if ((val & mask) == (env->dtlb_tag[i] & mask)) {
2513 env->dtlb_tag[i] = 0;
2514 env->dtlb_tte[i] = 0;
2521 case 0x49: // Interrupt data receive
2524 case 0x46: // D-cache data
2525 case 0x47: // D-cache tag access
2526 case 0x4b: // E-cache error enable
2527 case 0x4c: // E-cache asynchronous fault status
2528 case 0x4d: // E-cache asynchronous fault address
2529 case 0x4e: // E-cache tag data
2530 case 0x66: // I-cache instruction access
2531 case 0x67: // I-cache tag access
2532 case 0x6e: // I-cache predecode
2533 case 0x6f: // I-cache LRU etc.
2534 case 0x76: // E-cache tag
2535 case 0x7e: // E-cache tag
2537 case 0x51: // I-MMU 8k TSB pointer, RO
2538 case 0x52: // I-MMU 64k TSB pointer, RO
2539 case 0x56: // I-MMU tag read, RO
2540 case 0x59: // D-MMU 8k TSB pointer, RO
2541 case 0x5a: // D-MMU 64k TSB pointer, RO
2542 case 0x5b: // D-MMU data pointer, RO
2543 case 0x5e: // D-MMU tag read, RO
2544 case 0x48: // Interrupt dispatch, RO
2545 case 0x7f: // Incoming interrupt vector, RO
2546 case 0x82: // Primary no-fault, RO
2547 case 0x83: // Secondary no-fault, RO
2548 case 0x8a: // Primary no-fault LE, RO
2549 case 0x8b: // Secondary no-fault LE, RO
2551 do_unassigned_access(addr, 1, 0, 1, size);
2555 #endif /* CONFIG_USER_ONLY */
2557 void helper_ldda_asi(target_ulong addr, int asi, int rd)
2559 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2560 || ((env->def->features & CPU_FEATURE_HYPV)
2561 && asi >= 0x30 && asi < 0x80
2562 && !(env->hpstate & HS_PRIV)))
2563 raise_exception(TT_PRIV_ACT);
2566 case 0x24: // Nucleus quad LDD 128 bit atomic
2567 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2568 helper_check_align(addr, 0xf);
2570 env->gregs[1] = ldq_kernel(addr + 8);
2572 bswap64s(&env->gregs[1]);
2573 } else if (rd < 8) {
2574 env->gregs[rd] = ldq_kernel(addr);
2575 env->gregs[rd + 1] = ldq_kernel(addr + 8);
2577 bswap64s(&env->gregs[rd]);
2578 bswap64s(&env->gregs[rd + 1]);
2581 env->regwptr[rd] = ldq_kernel(addr);
2582 env->regwptr[rd + 1] = ldq_kernel(addr + 8);
2584 bswap64s(&env->regwptr[rd]);
2585 bswap64s(&env->regwptr[rd + 1]);
2590 helper_check_align(addr, 0x3);
2592 env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0);
2594 env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0);
2595 env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2597 env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0);
2598 env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2604 void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
2609 helper_check_align(addr, 3);
2611 case 0xf0: // Block load primary
2612 case 0xf1: // Block load secondary
2613 case 0xf8: // Block load primary LE
2614 case 0xf9: // Block load secondary LE
2616 raise_exception(TT_ILL_INSN);
2619 helper_check_align(addr, 0x3f);
2620 for (i = 0; i < 16; i++) {
2621 *(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4,
2631 val = helper_ld_asi(addr, asi, size, 0);
2635 *((uint32_t *)&env->fpr[rd]) = val;
2638 *((int64_t *)&DT0) = val;
2646 void helper_stf_asi(target_ulong addr, int asi, int size, int rd)
2649 target_ulong val = 0;
2651 helper_check_align(addr, 3);
2653 case 0xe0: // UA2007 Block commit store primary (cache flush)
2654 case 0xe1: // UA2007 Block commit store secondary (cache flush)
2655 case 0xf0: // Block store primary
2656 case 0xf1: // Block store secondary
2657 case 0xf8: // Block store primary LE
2658 case 0xf9: // Block store secondary LE
2660 raise_exception(TT_ILL_INSN);
2663 helper_check_align(addr, 0x3f);
2664 for (i = 0; i < 16; i++) {
2665 val = *(uint32_t *)&env->fpr[rd++];
2666 helper_st_asi(addr, val, asi & 0x8f, 4);
2678 val = *((uint32_t *)&env->fpr[rd]);
2681 val = *((int64_t *)&DT0);
2687 helper_st_asi(addr, val, asi, size);
2690 target_ulong helper_cas_asi(target_ulong addr, target_ulong val1,
2691 target_ulong val2, uint32_t asi)
2695 val2 &= 0xffffffffUL;
2696 ret = helper_ld_asi(addr, asi, 4, 0);
2697 ret &= 0xffffffffUL;
2699 helper_st_asi(addr, val1 & 0xffffffffUL, asi, 4);
2703 target_ulong helper_casx_asi(target_ulong addr, target_ulong val1,
2704 target_ulong val2, uint32_t asi)
2708 ret = helper_ld_asi(addr, asi, 8, 0);
2710 helper_st_asi(addr, val1, asi, 8);
2713 #endif /* TARGET_SPARC64 */
2715 #ifndef TARGET_SPARC64
2716 void helper_rett(void)
2720 if (env->psret == 1)
2721 raise_exception(TT_ILL_INSN);
2724 cwp = cpu_cwp_inc(env, env->cwp + 1) ;
2725 if (env->wim & (1 << cwp)) {
2726 raise_exception(TT_WIN_UNF);
2729 env->psrs = env->psrps;
2733 target_ulong helper_udiv(target_ulong a, target_ulong b)
2738 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2742 raise_exception(TT_DIV_ZERO);
2746 if (x0 > 0xffffffff) {
2755 target_ulong helper_sdiv(target_ulong a, target_ulong b)
2760 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2764 raise_exception(TT_DIV_ZERO);
2768 if ((int32_t) x0 != x0) {
2770 return x0 < 0? 0x80000000: 0x7fffffff;
2777 void helper_stdf(target_ulong addr, int mem_idx)
2779 helper_check_align(addr, 7);
2780 #if !defined(CONFIG_USER_ONLY)
2783 stfq_user(addr, DT0);
2786 stfq_kernel(addr, DT0);
2788 #ifdef TARGET_SPARC64
2790 stfq_hypv(addr, DT0);
2797 address_mask(env, &addr);
2798 stfq_raw(addr, DT0);
2802 void helper_lddf(target_ulong addr, int mem_idx)
2804 helper_check_align(addr, 7);
2805 #if !defined(CONFIG_USER_ONLY)
2808 DT0 = ldfq_user(addr);
2811 DT0 = ldfq_kernel(addr);
2813 #ifdef TARGET_SPARC64
2815 DT0 = ldfq_hypv(addr);
2822 address_mask(env, &addr);
2823 DT0 = ldfq_raw(addr);
2827 void helper_ldqf(target_ulong addr, int mem_idx)
2829 // XXX add 128 bit load
2832 helper_check_align(addr, 7);
2833 #if !defined(CONFIG_USER_ONLY)
2836 u.ll.upper = ldq_user(addr);
2837 u.ll.lower = ldq_user(addr + 8);
2841 u.ll.upper = ldq_kernel(addr);
2842 u.ll.lower = ldq_kernel(addr + 8);
2845 #ifdef TARGET_SPARC64
2847 u.ll.upper = ldq_hypv(addr);
2848 u.ll.lower = ldq_hypv(addr + 8);
2856 address_mask(env, &addr);
2857 u.ll.upper = ldq_raw(addr);
2858 u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL);
2863 void helper_stqf(target_ulong addr, int mem_idx)
2865 // XXX add 128 bit store
2868 helper_check_align(addr, 7);
2869 #if !defined(CONFIG_USER_ONLY)
2873 stq_user(addr, u.ll.upper);
2874 stq_user(addr + 8, u.ll.lower);
2878 stq_kernel(addr, u.ll.upper);
2879 stq_kernel(addr + 8, u.ll.lower);
2881 #ifdef TARGET_SPARC64
2884 stq_hypv(addr, u.ll.upper);
2885 stq_hypv(addr + 8, u.ll.lower);
2893 address_mask(env, &addr);
2894 stq_raw(addr, u.ll.upper);
2895 stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower);
2899 static inline void set_fsr(void)
2903 switch (env->fsr & FSR_RD_MASK) {
2904 case FSR_RD_NEAREST:
2905 rnd_mode = float_round_nearest_even;
2909 rnd_mode = float_round_to_zero;
2912 rnd_mode = float_round_up;
2915 rnd_mode = float_round_down;
2918 set_float_rounding_mode(rnd_mode, &env->fp_status);
2921 void helper_ldfsr(uint32_t new_fsr)
2923 env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK);
2927 #ifdef TARGET_SPARC64
2928 void helper_ldxfsr(uint64_t new_fsr)
2930 env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK);
2935 void helper_debug(void)
2937 env->exception_index = EXCP_DEBUG;
2941 #ifndef TARGET_SPARC64
2942 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2944 void helper_save(void)
2948 cwp = cpu_cwp_dec(env, env->cwp - 1);
2949 if (env->wim & (1 << cwp)) {
2950 raise_exception(TT_WIN_OVF);
2955 void helper_restore(void)
2959 cwp = cpu_cwp_inc(env, env->cwp + 1);
2960 if (env->wim & (1 << cwp)) {
2961 raise_exception(TT_WIN_UNF);
2966 void helper_wrpsr(target_ulong new_psr)
2968 if ((new_psr & PSR_CWP) >= env->nwindows)
2969 raise_exception(TT_ILL_INSN);
2971 PUT_PSR(env, new_psr);
2974 target_ulong helper_rdpsr(void)
2976 return GET_PSR(env);
2980 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2982 void helper_save(void)
2986 cwp = cpu_cwp_dec(env, env->cwp - 1);
2987 if (env->cansave == 0) {
2988 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2989 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2990 ((env->wstate & 0x7) << 2)));
2992 if (env->cleanwin - env->canrestore == 0) {
2993 // XXX Clean windows without trap
2994 raise_exception(TT_CLRWIN);
3003 void helper_restore(void)
3007 cwp = cpu_cwp_inc(env, env->cwp + 1);
3008 if (env->canrestore == 0) {
3009 raise_exception(TT_FILL | (env->otherwin != 0 ?
3010 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
3011 ((env->wstate & 0x7) << 2)));
3019 void helper_flushw(void)
3021 if (env->cansave != env->nwindows - 2) {
3022 raise_exception(TT_SPILL | (env->otherwin != 0 ?
3023 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
3024 ((env->wstate & 0x7) << 2)));
3028 void helper_saved(void)
3031 if (env->otherwin == 0)
3037 void helper_restored(void)
3040 if (env->cleanwin < env->nwindows - 1)
3042 if (env->otherwin == 0)
3048 target_ulong helper_rdccr(void)
3050 return GET_CCR(env);
3053 void helper_wrccr(target_ulong new_ccr)
3055 PUT_CCR(env, new_ccr);
3058 // CWP handling is reversed in V9, but we still use the V8 register
3060 target_ulong helper_rdcwp(void)
3062 return GET_CWP64(env);
3065 void helper_wrcwp(target_ulong new_cwp)
3067 PUT_CWP64(env, new_cwp);
3070 // This function uses non-native bit order
3071 #define GET_FIELD(X, FROM, TO) \
3072 ((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
3074 // This function uses the order in the manuals, i.e. bit 0 is 2^0
3075 #define GET_FIELD_SP(X, FROM, TO) \
3076 GET_FIELD(X, 63 - (TO), 63 - (FROM))
3078 target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
3080 return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
3081 (GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
3082 (GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
3083 (GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
3084 (GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
3085 (GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
3086 (((pixel_addr >> 55) & 1) << 4) |
3087 (GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
3088 GET_FIELD_SP(pixel_addr, 11, 12);
3091 target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
3095 tmp = addr + offset;
3097 env->gsr |= tmp & 7ULL;
3101 target_ulong helper_popc(target_ulong val)
3103 return ctpop64(val);
3106 static inline uint64_t *get_gregset(uint64_t pstate)
3121 static inline void change_pstate(uint64_t new_pstate)
3123 uint64_t pstate_regs, new_pstate_regs;
3124 uint64_t *src, *dst;
3126 pstate_regs = env->pstate & 0xc01;
3127 new_pstate_regs = new_pstate & 0xc01;
3128 if (new_pstate_regs != pstate_regs) {
3129 // Switch global register bank
3130 src = get_gregset(new_pstate_regs);
3131 dst = get_gregset(pstate_regs);
3132 memcpy32(dst, env->gregs);
3133 memcpy32(env->gregs, src);
3135 env->pstate = new_pstate;
3138 void helper_wrpstate(target_ulong new_state)
3140 if (!(env->def->features & CPU_FEATURE_GL))
3141 change_pstate(new_state & 0xf3f);
3144 void helper_done(void)
3146 env->pc = env->tsptr->tpc;
3147 env->npc = env->tsptr->tnpc + 4;
3148 PUT_CCR(env, env->tsptr->tstate >> 32);
3149 env->asi = (env->tsptr->tstate >> 24) & 0xff;
3150 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
3151 PUT_CWP64(env, env->tsptr->tstate & 0xff);
3153 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
3156 void helper_retry(void)
3158 env->pc = env->tsptr->tpc;
3159 env->npc = env->tsptr->tnpc;
3160 PUT_CCR(env, env->tsptr->tstate >> 32);
3161 env->asi = (env->tsptr->tstate >> 24) & 0xff;
3162 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
3163 PUT_CWP64(env, env->tsptr->tstate & 0xff);
3165 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
3168 void helper_set_softint(uint64_t value)
3170 env->softint |= (uint32_t)value;
3173 void helper_clear_softint(uint64_t value)
3175 env->softint &= (uint32_t)~value;
3178 void helper_write_softint(uint64_t value)
3180 env->softint = (uint32_t)value;
3184 void helper_flush(target_ulong addr)
3187 tb_invalidate_page_range(addr, addr + 8);
3190 #ifdef TARGET_SPARC64
3192 static const char * const excp_names[0x80] = {
3193 [TT_TFAULT] = "Instruction Access Fault",
3194 [TT_TMISS] = "Instruction Access MMU Miss",
3195 [TT_CODE_ACCESS] = "Instruction Access Error",
3196 [TT_ILL_INSN] = "Illegal Instruction",
3197 [TT_PRIV_INSN] = "Privileged Instruction",
3198 [TT_NFPU_INSN] = "FPU Disabled",
3199 [TT_FP_EXCP] = "FPU Exception",
3200 [TT_TOVF] = "Tag Overflow",
3201 [TT_CLRWIN] = "Clean Windows",
3202 [TT_DIV_ZERO] = "Division By Zero",
3203 [TT_DFAULT] = "Data Access Fault",
3204 [TT_DMISS] = "Data Access MMU Miss",
3205 [TT_DATA_ACCESS] = "Data Access Error",
3206 [TT_DPROT] = "Data Protection Error",
3207 [TT_UNALIGNED] = "Unaligned Memory Access",
3208 [TT_PRIV_ACT] = "Privileged Action",
3209 [TT_EXTINT | 0x1] = "External Interrupt 1",
3210 [TT_EXTINT | 0x2] = "External Interrupt 2",
3211 [TT_EXTINT | 0x3] = "External Interrupt 3",
3212 [TT_EXTINT | 0x4] = "External Interrupt 4",
3213 [TT_EXTINT | 0x5] = "External Interrupt 5",
3214 [TT_EXTINT | 0x6] = "External Interrupt 6",
3215 [TT_EXTINT | 0x7] = "External Interrupt 7",
3216 [TT_EXTINT | 0x8] = "External Interrupt 8",
3217 [TT_EXTINT | 0x9] = "External Interrupt 9",
3218 [TT_EXTINT | 0xa] = "External Interrupt 10",
3219 [TT_EXTINT | 0xb] = "External Interrupt 11",
3220 [TT_EXTINT | 0xc] = "External Interrupt 12",
3221 [TT_EXTINT | 0xd] = "External Interrupt 13",
3222 [TT_EXTINT | 0xe] = "External Interrupt 14",
3223 [TT_EXTINT | 0xf] = "External Interrupt 15",
3227 void do_interrupt(CPUState *env)
3229 int intno = env->exception_index;
3232 if (qemu_loglevel_mask(CPU_LOG_INT)) {
3236 if (intno < 0 || intno >= 0x180)
3238 else if (intno >= 0x100)
3239 name = "Trap Instruction";
3240 else if (intno >= 0xc0)
3241 name = "Window Fill";
3242 else if (intno >= 0x80)
3243 name = "Window Spill";
3245 name = excp_names[intno];
3250 qemu_log("%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
3251 " SP=%016" PRIx64 "\n",
3254 env->npc, env->regwptr[6]);
3255 log_cpu_state(env, 0);
3262 ptr = (uint8_t *)env->pc;
3263 for(i = 0; i < 16; i++) {
3264 qemu_log(" %02x", ldub(ptr + i));
3272 #if !defined(CONFIG_USER_ONLY)
3273 if (env->tl >= env->maxtl) {
3274 cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
3275 " Error state", env->exception_index, env->tl, env->maxtl);
3279 if (env->tl < env->maxtl - 1) {
3282 env->pstate |= PS_RED;
3283 if (env->tl < env->maxtl)
3286 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
3287 env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
3288 ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
3290 env->tsptr->tpc = env->pc;
3291 env->tsptr->tnpc = env->npc;
3292 env->tsptr->tt = intno;
3293 if (!(env->def->features & CPU_FEATURE_GL)) {
3296 change_pstate(PS_PEF | PS_PRIV | PS_IG);
3303 change_pstate(PS_PEF | PS_PRIV | PS_MG);
3306 change_pstate(PS_PEF | PS_PRIV | PS_AG);
3310 if (intno == TT_CLRWIN)
3311 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
3312 else if ((intno & 0x1c0) == TT_SPILL)
3313 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
3314 else if ((intno & 0x1c0) == TT_FILL)
3315 cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
3316 env->tbr &= ~0x7fffULL;
3317 env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
3319 env->npc = env->pc + 4;
3320 env->exception_index = 0;
3324 static const char * const excp_names[0x80] = {
3325 [TT_TFAULT] = "Instruction Access Fault",
3326 [TT_ILL_INSN] = "Illegal Instruction",
3327 [TT_PRIV_INSN] = "Privileged Instruction",
3328 [TT_NFPU_INSN] = "FPU Disabled",
3329 [TT_WIN_OVF] = "Window Overflow",
3330 [TT_WIN_UNF] = "Window Underflow",
3331 [TT_UNALIGNED] = "Unaligned Memory Access",
3332 [TT_FP_EXCP] = "FPU Exception",
3333 [TT_DFAULT] = "Data Access Fault",
3334 [TT_TOVF] = "Tag Overflow",
3335 [TT_EXTINT | 0x1] = "External Interrupt 1",
3336 [TT_EXTINT | 0x2] = "External Interrupt 2",
3337 [TT_EXTINT | 0x3] = "External Interrupt 3",
3338 [TT_EXTINT | 0x4] = "External Interrupt 4",
3339 [TT_EXTINT | 0x5] = "External Interrupt 5",
3340 [TT_EXTINT | 0x6] = "External Interrupt 6",
3341 [TT_EXTINT | 0x7] = "External Interrupt 7",
3342 [TT_EXTINT | 0x8] = "External Interrupt 8",
3343 [TT_EXTINT | 0x9] = "External Interrupt 9",
3344 [TT_EXTINT | 0xa] = "External Interrupt 10",
3345 [TT_EXTINT | 0xb] = "External Interrupt 11",
3346 [TT_EXTINT | 0xc] = "External Interrupt 12",
3347 [TT_EXTINT | 0xd] = "External Interrupt 13",
3348 [TT_EXTINT | 0xe] = "External Interrupt 14",
3349 [TT_EXTINT | 0xf] = "External Interrupt 15",
3350 [TT_TOVF] = "Tag Overflow",
3351 [TT_CODE_ACCESS] = "Instruction Access Error",
3352 [TT_DATA_ACCESS] = "Data Access Error",
3353 [TT_DIV_ZERO] = "Division By Zero",
3354 [TT_NCP_INSN] = "Coprocessor Disabled",
3358 void do_interrupt(CPUState *env)
3360 int cwp, intno = env->exception_index;
3363 if (qemu_loglevel_mask(CPU_LOG_INT)) {
3367 if (intno < 0 || intno >= 0x100)
3369 else if (intno >= 0x80)
3370 name = "Trap Instruction";
3372 name = excp_names[intno];
3377 qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
3380 env->npc, env->regwptr[6]);
3381 log_cpu_state(env, 0);
3388 ptr = (uint8_t *)env->pc;
3389 for(i = 0; i < 16; i++) {
3390 qemu_log(" %02x", ldub(ptr + i));
3398 #if !defined(CONFIG_USER_ONLY)
3399 if (env->psret == 0) {
3400 cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
3401 env->exception_index);
3406 cwp = cpu_cwp_dec(env, env->cwp - 1);
3407 cpu_set_cwp(env, cwp);
3408 env->regwptr[9] = env->pc;
3409 env->regwptr[10] = env->npc;
3410 env->psrps = env->psrs;
3412 env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
3414 env->npc = env->pc + 4;
3415 env->exception_index = 0;
3419 #if !defined(CONFIG_USER_ONLY)
3421 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
3424 #define MMUSUFFIX _mmu
3425 #define ALIGNED_ONLY
3428 #include "softmmu_template.h"
3431 #include "softmmu_template.h"
3434 #include "softmmu_template.h"
3437 #include "softmmu_template.h"
3439 /* XXX: make it generic ? */
3440 static void cpu_restore_state2(void *retaddr)
3442 TranslationBlock *tb;
3446 /* now we have a real cpu fault */
3447 pc = (unsigned long)retaddr;
3448 tb = tb_find_pc(pc);
3450 /* the PC is inside the translated code. It means that we have
3451 a virtual CPU fault */
3452 cpu_restore_state(tb, env, pc, (void *)(long)env->cond);
3457 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
3460 #ifdef DEBUG_UNALIGNED
3461 printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
3462 "\n", addr, env->pc);
3464 cpu_restore_state2(retaddr);
3465 raise_exception(TT_UNALIGNED);
3468 /* try to fill the TLB and return an exception if error. If retaddr is
3469 NULL, it means that the function was called in C code (i.e. not
3470 from generated code or from helper.c) */
3471 /* XXX: fix it to restore all registers */
3472 void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
3475 CPUState *saved_env;
3477 /* XXX: hack to restore env in all cases, even if not called from
3480 env = cpu_single_env;
3482 ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
3484 cpu_restore_state2(retaddr);
3492 #ifndef TARGET_SPARC64
3493 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3494 int is_asi, int size)
3496 CPUState *saved_env;
3498 /* XXX: hack to restore env in all cases, even if not called from
3501 env = cpu_single_env;
3502 #ifdef DEBUG_UNASSIGNED
3504 printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
3505 " asi 0x%02x from " TARGET_FMT_lx "\n",
3506 is_exec ? "exec" : is_write ? "write" : "read", size,
3507 size == 1 ? "" : "s", addr, is_asi, env->pc);
3509 printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
3510 " from " TARGET_FMT_lx "\n",
3511 is_exec ? "exec" : is_write ? "write" : "read", size,
3512 size == 1 ? "" : "s", addr, env->pc);
3514 if (env->mmuregs[3]) /* Fault status register */
3515 env->mmuregs[3] = 1; /* overflow (not read before another fault) */
3517 env->mmuregs[3] |= 1 << 16;
3519 env->mmuregs[3] |= 1 << 5;
3521 env->mmuregs[3] |= 1 << 6;
3523 env->mmuregs[3] |= 1 << 7;
3524 env->mmuregs[3] |= (5 << 2) | 2;
3525 env->mmuregs[4] = addr; /* Fault address register */
3526 if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) {
3528 raise_exception(TT_CODE_ACCESS);
3530 raise_exception(TT_DATA_ACCESS);
3535 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3536 int is_asi, int size)
3538 #ifdef DEBUG_UNASSIGNED
3539 CPUState *saved_env;
3541 /* XXX: hack to restore env in all cases, even if not called from
3544 env = cpu_single_env;
3545 printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx
3546 "\n", addr, env->pc);
3550 raise_exception(TT_CODE_ACCESS);
3552 raise_exception(TT_DATA_ACCESS);
3556 #ifdef TARGET_SPARC64
3557 void helper_tick_set_count(void *opaque, uint64_t count)
3559 #if !defined(CONFIG_USER_ONLY)
3560 cpu_tick_set_count(opaque, count);
3564 uint64_t helper_tick_get_count(void *opaque)
3566 #if !defined(CONFIG_USER_ONLY)
3567 return cpu_tick_get_count(opaque);
3573 void helper_tick_set_limit(void *opaque, uint64_t limit)
3575 #if !defined(CONFIG_USER_ONLY)
3576 cpu_tick_set_limit(opaque, limit);