2 #include "host-utils.h"
4 #if !defined(CONFIG_USER_ONLY)
5 #include "softmmu_exec.h"
6 #endif /* !defined(CONFIG_USER_ONLY) */
10 //#define DEBUG_UNALIGNED
11 //#define DEBUG_UNASSIGNED
16 #define DPRINTF_MMU(fmt, ...) \
17 do { printf("MMU: " fmt , ## __VA_ARGS__); } while (0)
19 #define DPRINTF_MMU(fmt, ...) do {} while (0)
23 #define DPRINTF_MXCC(fmt, ...) \
24 do { printf("MXCC: " fmt , ## __VA_ARGS__); } while (0)
26 #define DPRINTF_MXCC(fmt, ...) do {} while (0)
30 #define DPRINTF_ASI(fmt, ...) \
31 do { printf("ASI: " fmt , ## __VA_ARGS__); } while (0)
36 #define AM_CHECK(env1) ((env1)->pstate & PS_AM)
38 #define AM_CHECK(env1) (1)
42 #if defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
43 // Calculates TSB pointer value for fault page size 8k or 64k
44 static uint64_t ultrasparc_tsb_pointer(uint64_t tsb_register,
45 uint64_t tag_access_register,
48 uint64_t tsb_base = tsb_register & ~0x1fffULL;
49 int tsb_split = (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_V_div_icc(target_ulong src2)
802 static uint32_t compute_all_div(void)
806 ret = get_NZ_icc(CC_DST);
807 ret |= get_V_div_icc(CC_SRC2);
811 static uint32_t compute_C_div(void)
816 static inline uint32_t get_C_add_icc(target_ulong dst, target_ulong src1)
820 if ((dst & 0xffffffffULL) < (src1 & 0xffffffffULL))
825 static inline uint32_t get_V_add_icc(target_ulong dst, target_ulong src1,
830 if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 31))
835 static uint32_t compute_all_add(void)
839 ret = get_NZ_icc(CC_DST);
840 ret |= get_C_add_icc(CC_DST, CC_SRC);
841 ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2);
845 static uint32_t compute_C_add(void)
847 return get_C_add_icc(CC_DST, CC_SRC);
850 #ifdef TARGET_SPARC64
851 static inline uint32_t get_C_add_xcc(target_ulong dst, target_ulong src1)
860 static inline uint32_t get_V_add_xcc(target_ulong dst, target_ulong src1,
865 if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 63))
870 static uint32_t compute_all_add_xcc(void)
874 ret = get_NZ_xcc(CC_DST);
875 ret |= get_C_add_xcc(CC_DST, CC_SRC);
876 ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2);
880 static uint32_t compute_C_add_xcc(void)
882 return get_C_add_xcc(CC_DST, CC_SRC);
886 static uint32_t compute_all_addx(void)
890 ret = get_NZ_icc(CC_DST);
891 ret |= get_C_add_icc(CC_DST - CC_SRC2, CC_SRC);
892 ret |= get_C_add_icc(CC_DST, CC_SRC);
893 ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2);
897 static uint32_t compute_C_addx(void)
901 ret = get_C_add_icc(CC_DST - CC_SRC2, CC_SRC);
902 ret |= get_C_add_icc(CC_DST, CC_SRC);
906 #ifdef TARGET_SPARC64
907 static uint32_t compute_all_addx_xcc(void)
911 ret = get_NZ_xcc(CC_DST);
912 ret |= get_C_add_xcc(CC_DST - CC_SRC2, CC_SRC);
913 ret |= get_C_add_xcc(CC_DST, CC_SRC);
914 ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2);
918 static uint32_t compute_C_addx_xcc(void)
922 ret = get_C_add_xcc(CC_DST - CC_SRC2, CC_SRC);
923 ret |= get_C_add_xcc(CC_DST, CC_SRC);
928 static inline uint32_t get_V_tag_icc(target_ulong src1, target_ulong src2)
932 if ((src1 | src2) & 0x3)
937 static uint32_t compute_all_tadd(void)
941 ret = get_NZ_icc(CC_DST);
942 ret |= get_C_add_icc(CC_DST, CC_SRC);
943 ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2);
944 ret |= get_V_tag_icc(CC_SRC, CC_SRC2);
948 static uint32_t compute_C_tadd(void)
950 return get_C_add_icc(CC_DST, CC_SRC);
953 static uint32_t compute_all_taddtv(void)
957 ret = get_NZ_icc(CC_DST);
958 ret |= get_C_add_icc(CC_DST, CC_SRC);
962 static uint32_t compute_C_taddtv(void)
964 return get_C_add_icc(CC_DST, CC_SRC);
967 static inline uint32_t get_C_sub_icc(target_ulong src1, target_ulong src2)
971 if ((src1 & 0xffffffffULL) < (src2 & 0xffffffffULL))
976 static inline uint32_t get_V_sub_icc(target_ulong dst, target_ulong src1,
981 if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 31))
986 static uint32_t compute_all_sub(void)
990 ret = get_NZ_icc(CC_DST);
991 ret |= get_C_sub_icc(CC_SRC, CC_SRC2);
992 ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
996 static uint32_t compute_C_sub(void)
998 return get_C_sub_icc(CC_SRC, CC_SRC2);
1001 #ifdef TARGET_SPARC64
1002 static inline uint32_t get_C_sub_xcc(target_ulong src1, target_ulong src2)
1011 static inline uint32_t get_V_sub_xcc(target_ulong dst, target_ulong src1,
1016 if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 63))
1021 static uint32_t compute_all_sub_xcc(void)
1025 ret = get_NZ_xcc(CC_DST);
1026 ret |= get_C_sub_xcc(CC_SRC, CC_SRC2);
1027 ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2);
1031 static uint32_t compute_C_sub_xcc(void)
1033 return get_C_sub_xcc(CC_SRC, CC_SRC2);
1037 static uint32_t compute_all_subx(void)
1041 ret = get_NZ_icc(CC_DST);
1042 ret |= get_C_sub_icc(CC_DST - CC_SRC2, CC_SRC);
1043 ret |= get_C_sub_icc(CC_DST, CC_SRC2);
1044 ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
1048 static uint32_t compute_C_subx(void)
1052 ret = get_C_sub_icc(CC_DST - CC_SRC2, CC_SRC);
1053 ret |= get_C_sub_icc(CC_DST, CC_SRC2);
1057 #ifdef TARGET_SPARC64
1058 static uint32_t compute_all_subx_xcc(void)
1062 ret = get_NZ_xcc(CC_DST);
1063 ret |= get_C_sub_xcc(CC_DST - CC_SRC2, CC_SRC);
1064 ret |= get_C_sub_xcc(CC_DST, CC_SRC2);
1065 ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2);
1069 static uint32_t compute_C_subx_xcc(void)
1073 ret = get_C_sub_xcc(CC_DST - CC_SRC2, CC_SRC);
1074 ret |= get_C_sub_xcc(CC_DST, CC_SRC2);
1079 static uint32_t compute_all_tsub(void)
1083 ret = get_NZ_icc(CC_DST);
1084 ret |= get_C_sub_icc(CC_DST, CC_SRC);
1085 ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
1086 ret |= get_V_tag_icc(CC_SRC, CC_SRC2);
1090 static uint32_t compute_C_tsub(void)
1092 return get_C_sub_icc(CC_DST, CC_SRC);
1095 static uint32_t compute_all_tsubtv(void)
1099 ret = get_NZ_icc(CC_DST);
1100 ret |= get_C_sub_icc(CC_DST, CC_SRC);
1104 static uint32_t compute_C_tsubtv(void)
1106 return get_C_sub_icc(CC_DST, CC_SRC);
1109 static uint32_t compute_all_logic(void)
1111 return get_NZ_icc(CC_DST);
1114 static uint32_t compute_C_logic(void)
1119 #ifdef TARGET_SPARC64
1120 static uint32_t compute_all_logic_xcc(void)
1122 return get_NZ_xcc(CC_DST);
1126 typedef struct CCTable {
1127 uint32_t (*compute_all)(void); /* return all the flags */
1128 uint32_t (*compute_c)(void); /* return the C flag */
1131 static const CCTable icc_table[CC_OP_NB] = {
1132 /* CC_OP_DYNAMIC should never happen */
1133 [CC_OP_FLAGS] = { compute_all_flags, compute_C_flags },
1134 [CC_OP_DIV] = { compute_all_div, compute_C_div },
1135 [CC_OP_ADD] = { compute_all_add, compute_C_add },
1136 [CC_OP_ADDX] = { compute_all_addx, compute_C_addx },
1137 [CC_OP_TADD] = { compute_all_tadd, compute_C_tadd },
1138 [CC_OP_TADDTV] = { compute_all_taddtv, compute_C_taddtv },
1139 [CC_OP_SUB] = { compute_all_sub, compute_C_sub },
1140 [CC_OP_SUBX] = { compute_all_subx, compute_C_subx },
1141 [CC_OP_TSUB] = { compute_all_tsub, compute_C_tsub },
1142 [CC_OP_TSUBTV] = { compute_all_tsubtv, compute_C_tsubtv },
1143 [CC_OP_LOGIC] = { compute_all_logic, compute_C_logic },
1146 #ifdef TARGET_SPARC64
1147 static const CCTable xcc_table[CC_OP_NB] = {
1148 /* CC_OP_DYNAMIC should never happen */
1149 [CC_OP_FLAGS] = { compute_all_flags_xcc, compute_C_flags_xcc },
1150 [CC_OP_DIV] = { compute_all_logic_xcc, compute_C_logic },
1151 [CC_OP_ADD] = { compute_all_add_xcc, compute_C_add_xcc },
1152 [CC_OP_ADDX] = { compute_all_addx_xcc, compute_C_addx_xcc },
1153 [CC_OP_TADD] = { compute_all_add_xcc, compute_C_add_xcc },
1154 [CC_OP_TADDTV] = { compute_all_add_xcc, compute_C_add_xcc },
1155 [CC_OP_SUB] = { compute_all_sub_xcc, compute_C_sub_xcc },
1156 [CC_OP_SUBX] = { compute_all_subx_xcc, compute_C_subx_xcc },
1157 [CC_OP_TSUB] = { compute_all_sub_xcc, compute_C_sub_xcc },
1158 [CC_OP_TSUBTV] = { compute_all_sub_xcc, compute_C_sub_xcc },
1159 [CC_OP_LOGIC] = { compute_all_logic_xcc, compute_C_logic },
1163 void helper_compute_psr(void)
1167 new_psr = icc_table[CC_OP].compute_all();
1169 #ifdef TARGET_SPARC64
1170 new_psr = xcc_table[CC_OP].compute_all();
1173 CC_OP = CC_OP_FLAGS;
1176 uint32_t helper_compute_C_icc(void)
1180 ret = icc_table[CC_OP].compute_c() >> PSR_CARRY_SHIFT;
1184 #ifdef TARGET_SPARC64
1185 GEN_FCMPS(fcmps_fcc1, float32, 22, 0);
1186 GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
1187 GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
1189 GEN_FCMPS(fcmps_fcc2, float32, 24, 0);
1190 GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
1191 GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
1193 GEN_FCMPS(fcmps_fcc3, float32, 26, 0);
1194 GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
1195 GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
1197 GEN_FCMPS(fcmpes_fcc1, float32, 22, 1);
1198 GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
1199 GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
1201 GEN_FCMPS(fcmpes_fcc2, float32, 24, 1);
1202 GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
1203 GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
1205 GEN_FCMPS(fcmpes_fcc3, float32, 26, 1);
1206 GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
1207 GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
1211 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
1213 static void dump_mxcc(CPUState *env)
1215 printf("mxccdata: %016llx %016llx %016llx %016llx\n",
1216 env->mxccdata[0], env->mxccdata[1],
1217 env->mxccdata[2], env->mxccdata[3]);
1218 printf("mxccregs: %016llx %016llx %016llx %016llx\n"
1219 " %016llx %016llx %016llx %016llx\n",
1220 env->mxccregs[0], env->mxccregs[1],
1221 env->mxccregs[2], env->mxccregs[3],
1222 env->mxccregs[4], env->mxccregs[5],
1223 env->mxccregs[6], env->mxccregs[7]);
1227 #if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
1228 && defined(DEBUG_ASI)
1229 static void dump_asi(const char *txt, target_ulong addr, int asi, int size,
1235 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt,
1236 addr, asi, r1 & 0xff);
1239 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt,
1240 addr, asi, r1 & 0xffff);
1243 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt,
1244 addr, asi, r1 & 0xffffffff);
1247 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt,
1254 #ifndef TARGET_SPARC64
1255 #ifndef CONFIG_USER_ONLY
1256 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1259 #if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
1260 uint32_t last_addr = addr;
1263 helper_check_align(addr, size - 1);
1265 case 2: /* SuperSparc MXCC registers */
1267 case 0x01c00a00: /* MXCC control register */
1269 ret = env->mxccregs[3];
1271 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1274 case 0x01c00a04: /* MXCC control register */
1276 ret = env->mxccregs[3];
1278 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1281 case 0x01c00c00: /* Module reset register */
1283 ret = env->mxccregs[5];
1284 // should we do something here?
1286 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1289 case 0x01c00f00: /* MBus port address register */
1291 ret = env->mxccregs[7];
1293 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1297 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1301 DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
1302 "addr = %08x -> ret = %" PRIx64 ","
1303 "addr = %08x\n", asi, size, sign, last_addr, ret, addr);
1308 case 3: /* MMU probe */
1312 mmulev = (addr >> 8) & 15;
1316 ret = mmu_probe(env, addr, mmulev);
1317 DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n",
1321 case 4: /* read MMU regs */
1323 int reg = (addr >> 8) & 0x1f;
1325 ret = env->mmuregs[reg];
1326 if (reg == 3) /* Fault status cleared on read */
1327 env->mmuregs[3] = 0;
1328 else if (reg == 0x13) /* Fault status read */
1329 ret = env->mmuregs[3];
1330 else if (reg == 0x14) /* Fault address read */
1331 ret = env->mmuregs[4];
1332 DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret);
1335 case 5: // Turbosparc ITLB Diagnostic
1336 case 6: // Turbosparc DTLB Diagnostic
1337 case 7: // Turbosparc IOTLB Diagnostic
1339 case 9: /* Supervisor code access */
1342 ret = ldub_code(addr);
1345 ret = lduw_code(addr);
1349 ret = ldl_code(addr);
1352 ret = ldq_code(addr);
1356 case 0xa: /* User data access */
1359 ret = ldub_user(addr);
1362 ret = lduw_user(addr);
1366 ret = ldl_user(addr);
1369 ret = ldq_user(addr);
1373 case 0xb: /* Supervisor data access */
1376 ret = ldub_kernel(addr);
1379 ret = lduw_kernel(addr);
1383 ret = ldl_kernel(addr);
1386 ret = ldq_kernel(addr);
1390 case 0xc: /* I-cache tag */
1391 case 0xd: /* I-cache data */
1392 case 0xe: /* D-cache tag */
1393 case 0xf: /* D-cache data */
1395 case 0x20: /* MMU passthrough */
1398 ret = ldub_phys(addr);
1401 ret = lduw_phys(addr);
1405 ret = ldl_phys(addr);
1408 ret = ldq_phys(addr);
1412 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1415 ret = ldub_phys((target_phys_addr_t)addr
1416 | ((target_phys_addr_t)(asi & 0xf) << 32));
1419 ret = lduw_phys((target_phys_addr_t)addr
1420 | ((target_phys_addr_t)(asi & 0xf) << 32));
1424 ret = ldl_phys((target_phys_addr_t)addr
1425 | ((target_phys_addr_t)(asi & 0xf) << 32));
1428 ret = ldq_phys((target_phys_addr_t)addr
1429 | ((target_phys_addr_t)(asi & 0xf) << 32));
1433 case 0x30: // Turbosparc secondary cache diagnostic
1434 case 0x31: // Turbosparc RAM snoop
1435 case 0x32: // Turbosparc page table descriptor diagnostic
1436 case 0x39: /* data cache diagnostic register */
1439 case 0x38: /* SuperSPARC MMU Breakpoint Control Registers */
1441 int reg = (addr >> 8) & 3;
1444 case 0: /* Breakpoint Value (Addr) */
1445 ret = env->mmubpregs[reg];
1447 case 1: /* Breakpoint Mask */
1448 ret = env->mmubpregs[reg];
1450 case 2: /* Breakpoint Control */
1451 ret = env->mmubpregs[reg];
1453 case 3: /* Breakpoint Status */
1454 ret = env->mmubpregs[reg];
1455 env->mmubpregs[reg] = 0ULL;
1458 DPRINTF_MMU("read breakpoint reg[%d] 0x%016llx\n", reg, ret);
1461 case 8: /* User code access, XXX */
1463 do_unassigned_access(addr, 0, 0, asi, size);
1473 ret = (int16_t) ret;
1476 ret = (int32_t) ret;
1483 dump_asi("read ", last_addr, asi, size, ret);
1488 void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size)
1490 helper_check_align(addr, size - 1);
1492 case 2: /* SuperSparc MXCC registers */
1494 case 0x01c00000: /* MXCC stream data register 0 */
1496 env->mxccdata[0] = val;
1498 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1501 case 0x01c00008: /* MXCC stream data register 1 */
1503 env->mxccdata[1] = val;
1505 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1508 case 0x01c00010: /* MXCC stream data register 2 */
1510 env->mxccdata[2] = val;
1512 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1515 case 0x01c00018: /* MXCC stream data register 3 */
1517 env->mxccdata[3] = val;
1519 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1522 case 0x01c00100: /* MXCC stream source */
1524 env->mxccregs[0] = val;
1526 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1528 env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1530 env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1532 env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1534 env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1537 case 0x01c00200: /* MXCC stream destination */
1539 env->mxccregs[1] = val;
1541 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1543 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0,
1545 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8,
1547 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16,
1549 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24,
1552 case 0x01c00a00: /* MXCC control register */
1554 env->mxccregs[3] = val;
1556 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1559 case 0x01c00a04: /* MXCC control register */
1561 env->mxccregs[3] = (env->mxccregs[3] & 0xffffffff00000000ULL)
1564 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1567 case 0x01c00e00: /* MXCC error register */
1568 // writing a 1 bit clears the error
1570 env->mxccregs[6] &= ~val;
1572 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1575 case 0x01c00f00: /* MBus port address register */
1577 env->mxccregs[7] = val;
1579 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1583 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1587 DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %" PRIx64 "\n",
1588 asi, size, addr, val);
1593 case 3: /* MMU flush */
1597 mmulev = (addr >> 8) & 15;
1598 DPRINTF_MMU("mmu flush level %d\n", mmulev);
1600 case 0: // flush page
1601 tlb_flush_page(env, addr & 0xfffff000);
1603 case 1: // flush segment (256k)
1604 case 2: // flush region (16M)
1605 case 3: // flush context (4G)
1606 case 4: // flush entire
1617 case 4: /* write MMU regs */
1619 int reg = (addr >> 8) & 0x1f;
1622 oldreg = env->mmuregs[reg];
1624 case 0: // Control Register
1625 env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
1627 // Mappings generated during no-fault mode or MMU
1628 // disabled mode are invalid in normal mode
1629 if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) !=
1630 (env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm)))
1633 case 1: // Context Table Pointer Register
1634 env->mmuregs[reg] = val & env->def->mmu_ctpr_mask;
1636 case 2: // Context Register
1637 env->mmuregs[reg] = val & env->def->mmu_cxr_mask;
1638 if (oldreg != env->mmuregs[reg]) {
1639 /* we flush when the MMU context changes because
1640 QEMU has no MMU context support */
1644 case 3: // Synchronous Fault Status Register with Clear
1645 case 4: // Synchronous Fault Address Register
1647 case 0x10: // TLB Replacement Control Register
1648 env->mmuregs[reg] = val & env->def->mmu_trcr_mask;
1650 case 0x13: // Synchronous Fault Status Register with Read and Clear
1651 env->mmuregs[3] = val & env->def->mmu_sfsr_mask;
1653 case 0x14: // Synchronous Fault Address Register
1654 env->mmuregs[4] = val;
1657 env->mmuregs[reg] = val;
1660 if (oldreg != env->mmuregs[reg]) {
1661 DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
1662 reg, oldreg, env->mmuregs[reg]);
1669 case 5: // Turbosparc ITLB Diagnostic
1670 case 6: // Turbosparc DTLB Diagnostic
1671 case 7: // Turbosparc IOTLB Diagnostic
1673 case 0xa: /* User data access */
1676 stb_user(addr, val);
1679 stw_user(addr, val);
1683 stl_user(addr, val);
1686 stq_user(addr, val);
1690 case 0xb: /* Supervisor data access */
1693 stb_kernel(addr, val);
1696 stw_kernel(addr, val);
1700 stl_kernel(addr, val);
1703 stq_kernel(addr, val);
1707 case 0xc: /* I-cache tag */
1708 case 0xd: /* I-cache data */
1709 case 0xe: /* D-cache tag */
1710 case 0xf: /* D-cache data */
1711 case 0x10: /* I/D-cache flush page */
1712 case 0x11: /* I/D-cache flush segment */
1713 case 0x12: /* I/D-cache flush region */
1714 case 0x13: /* I/D-cache flush context */
1715 case 0x14: /* I/D-cache flush user */
1717 case 0x17: /* Block copy, sta access */
1723 uint32_t src = val & ~3, dst = addr & ~3, temp;
1725 for (i = 0; i < 32; i += 4, src += 4, dst += 4) {
1726 temp = ldl_kernel(src);
1727 stl_kernel(dst, temp);
1731 case 0x1f: /* Block fill, stda access */
1734 // fill 32 bytes with val
1736 uint32_t dst = addr & 7;
1738 for (i = 0; i < 32; i += 8, dst += 8)
1739 stq_kernel(dst, val);
1742 case 0x20: /* MMU passthrough */
1746 stb_phys(addr, val);
1749 stw_phys(addr, val);
1753 stl_phys(addr, val);
1756 stq_phys(addr, val);
1761 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1765 stb_phys((target_phys_addr_t)addr
1766 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1769 stw_phys((target_phys_addr_t)addr
1770 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1774 stl_phys((target_phys_addr_t)addr
1775 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1778 stq_phys((target_phys_addr_t)addr
1779 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1784 case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic
1785 case 0x31: // store buffer data, Ross RT620 I-cache flush or
1786 // Turbosparc snoop RAM
1787 case 0x32: // store buffer control or Turbosparc page table
1788 // descriptor diagnostic
1789 case 0x36: /* I-cache flash clear */
1790 case 0x37: /* D-cache flash clear */
1791 case 0x4c: /* breakpoint action */
1793 case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/
1795 int reg = (addr >> 8) & 3;
1798 case 0: /* Breakpoint Value (Addr) */
1799 env->mmubpregs[reg] = (val & 0xfffffffffULL);
1801 case 1: /* Breakpoint Mask */
1802 env->mmubpregs[reg] = (val & 0xfffffffffULL);
1804 case 2: /* Breakpoint Control */
1805 env->mmubpregs[reg] = (val & 0x7fULL);
1807 case 3: /* Breakpoint Status */
1808 env->mmubpregs[reg] = (val & 0xfULL);
1811 DPRINTF_MMU("write breakpoint reg[%d] 0x%016llx\n", reg,
1815 case 8: /* User code access, XXX */
1816 case 9: /* Supervisor code access, XXX */
1818 do_unassigned_access(addr, 1, 0, asi, size);
1822 dump_asi("write", addr, asi, size, val);
1826 #endif /* CONFIG_USER_ONLY */
1827 #else /* TARGET_SPARC64 */
1829 #ifdef CONFIG_USER_ONLY
1830 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1833 #if defined(DEBUG_ASI)
1834 target_ulong last_addr = addr;
1838 raise_exception(TT_PRIV_ACT);
1840 helper_check_align(addr, size - 1);
1841 address_mask(env, &addr);
1844 case 0x82: // Primary no-fault
1845 case 0x8a: // Primary no-fault LE
1846 if (page_check_range(addr, size, PAGE_READ) == -1) {
1848 dump_asi("read ", last_addr, asi, size, ret);
1853 case 0x80: // Primary
1854 case 0x88: // Primary LE
1858 ret = ldub_raw(addr);
1861 ret = lduw_raw(addr);
1864 ret = ldl_raw(addr);
1868 ret = ldq_raw(addr);
1873 case 0x83: // Secondary no-fault
1874 case 0x8b: // Secondary no-fault LE
1875 if (page_check_range(addr, size, PAGE_READ) == -1) {
1877 dump_asi("read ", last_addr, asi, size, ret);
1882 case 0x81: // Secondary
1883 case 0x89: // Secondary LE
1890 /* Convert from little endian */
1892 case 0x88: // Primary LE
1893 case 0x89: // Secondary LE
1894 case 0x8a: // Primary no-fault LE
1895 case 0x8b: // Secondary no-fault LE
1913 /* Convert to signed number */
1920 ret = (int16_t) ret;
1923 ret = (int32_t) ret;
1930 dump_asi("read ", last_addr, asi, size, ret);
1935 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1938 dump_asi("write", addr, asi, size, val);
1941 raise_exception(TT_PRIV_ACT);
1943 helper_check_align(addr, size - 1);
1944 address_mask(env, &addr);
1946 /* Convert to little endian */
1948 case 0x88: // Primary LE
1949 case 0x89: // Secondary LE
1952 addr = bswap16(addr);
1955 addr = bswap32(addr);
1958 addr = bswap64(addr);
1968 case 0x80: // Primary
1969 case 0x88: // Primary LE
1988 case 0x81: // Secondary
1989 case 0x89: // Secondary LE
1993 case 0x82: // Primary no-fault, RO
1994 case 0x83: // Secondary no-fault, RO
1995 case 0x8a: // Primary no-fault LE, RO
1996 case 0x8b: // Secondary no-fault LE, RO
1998 do_unassigned_access(addr, 1, 0, 1, size);
2003 #else /* CONFIG_USER_ONLY */
2005 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
2008 #if defined(DEBUG_ASI)
2009 target_ulong last_addr = addr;
2012 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2013 || ((env->def->features & CPU_FEATURE_HYPV)
2014 && asi >= 0x30 && asi < 0x80
2015 && !(env->hpstate & HS_PRIV)))
2016 raise_exception(TT_PRIV_ACT);
2018 helper_check_align(addr, size - 1);
2020 case 0x82: // Primary no-fault
2021 case 0x8a: // Primary no-fault LE
2022 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
2024 dump_asi("read ", last_addr, asi, size, ret);
2029 case 0x10: // As if user primary
2030 case 0x18: // As if user primary LE
2031 case 0x80: // Primary
2032 case 0x88: // Primary LE
2033 case 0xe2: // UA2007 Primary block init
2034 case 0xe3: // UA2007 Secondary block init
2035 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
2036 if ((env->def->features & CPU_FEATURE_HYPV)
2037 && env->hpstate & HS_PRIV) {
2040 ret = ldub_hypv(addr);
2043 ret = lduw_hypv(addr);
2046 ret = ldl_hypv(addr);
2050 ret = ldq_hypv(addr);
2056 ret = ldub_kernel(addr);
2059 ret = lduw_kernel(addr);
2062 ret = ldl_kernel(addr);
2066 ret = ldq_kernel(addr);
2073 ret = ldub_user(addr);
2076 ret = lduw_user(addr);
2079 ret = ldl_user(addr);
2083 ret = ldq_user(addr);
2088 case 0x14: // Bypass
2089 case 0x15: // Bypass, non-cacheable
2090 case 0x1c: // Bypass LE
2091 case 0x1d: // Bypass, non-cacheable LE
2095 ret = ldub_phys(addr);
2098 ret = lduw_phys(addr);
2101 ret = ldl_phys(addr);
2105 ret = ldq_phys(addr);
2110 case 0x24: // Nucleus quad LDD 128 bit atomic
2111 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2112 // Only ldda allowed
2113 raise_exception(TT_ILL_INSN);
2115 case 0x83: // Secondary no-fault
2116 case 0x8b: // Secondary no-fault LE
2117 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
2119 dump_asi("read ", last_addr, asi, size, ret);
2124 case 0x04: // Nucleus
2125 case 0x0c: // Nucleus Little Endian (LE)
2126 case 0x11: // As if user secondary
2127 case 0x19: // As if user secondary LE
2128 case 0x4a: // UPA config
2129 case 0x81: // Secondary
2130 case 0x89: // Secondary LE
2136 case 0x50: // I-MMU regs
2138 int reg = (addr >> 3) & 0xf;
2141 // I-TSB Tag Target register
2142 ret = ultrasparc_tag_target(env->immuregs[6]);
2144 ret = env->immuregs[reg];
2149 case 0x51: // I-MMU 8k TSB pointer
2151 // env->immuregs[5] holds I-MMU TSB register value
2152 // env->immuregs[6] holds I-MMU Tag Access register value
2153 ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6],
2157 case 0x52: // I-MMU 64k TSB pointer
2159 // env->immuregs[5] holds I-MMU TSB register value
2160 // env->immuregs[6] holds I-MMU Tag Access register value
2161 ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6],
2165 case 0x55: // I-MMU data access
2167 int reg = (addr >> 3) & 0x3f;
2169 ret = env->itlb_tte[reg];
2172 case 0x56: // I-MMU tag read
2174 int reg = (addr >> 3) & 0x3f;
2176 ret = env->itlb_tag[reg];
2179 case 0x58: // D-MMU regs
2181 int reg = (addr >> 3) & 0xf;
2184 // D-TSB Tag Target register
2185 ret = ultrasparc_tag_target(env->dmmuregs[6]);
2187 ret = env->dmmuregs[reg];
2191 case 0x59: // D-MMU 8k TSB pointer
2193 // env->dmmuregs[5] holds D-MMU TSB register value
2194 // env->dmmuregs[6] holds D-MMU Tag Access register value
2195 ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6],
2199 case 0x5a: // D-MMU 64k TSB pointer
2201 // env->dmmuregs[5] holds D-MMU TSB register value
2202 // env->dmmuregs[6] holds D-MMU Tag Access register value
2203 ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6],
2207 case 0x5d: // D-MMU data access
2209 int reg = (addr >> 3) & 0x3f;
2211 ret = env->dtlb_tte[reg];
2214 case 0x5e: // D-MMU tag read
2216 int reg = (addr >> 3) & 0x3f;
2218 ret = env->dtlb_tag[reg];
2221 case 0x46: // D-cache data
2222 case 0x47: // D-cache tag access
2223 case 0x4b: // E-cache error enable
2224 case 0x4c: // E-cache asynchronous fault status
2225 case 0x4d: // E-cache asynchronous fault address
2226 case 0x4e: // E-cache tag data
2227 case 0x66: // I-cache instruction access
2228 case 0x67: // I-cache tag access
2229 case 0x6e: // I-cache predecode
2230 case 0x6f: // I-cache LRU etc.
2231 case 0x76: // E-cache tag
2232 case 0x7e: // E-cache tag
2234 case 0x5b: // D-MMU data pointer
2235 case 0x48: // Interrupt dispatch, RO
2236 case 0x49: // Interrupt data receive
2237 case 0x7f: // Incoming interrupt vector, RO
2240 case 0x54: // I-MMU data in, WO
2241 case 0x57: // I-MMU demap, WO
2242 case 0x5c: // D-MMU data in, WO
2243 case 0x5f: // D-MMU demap, WO
2244 case 0x77: // Interrupt vector, WO
2246 do_unassigned_access(addr, 0, 0, 1, size);
2251 /* Convert from little endian */
2253 case 0x0c: // Nucleus Little Endian (LE)
2254 case 0x18: // As if user primary LE
2255 case 0x19: // As if user secondary LE
2256 case 0x1c: // Bypass LE
2257 case 0x1d: // Bypass, non-cacheable LE
2258 case 0x88: // Primary LE
2259 case 0x89: // Secondary LE
2260 case 0x8a: // Primary no-fault LE
2261 case 0x8b: // Secondary no-fault LE
2279 /* Convert to signed number */
2286 ret = (int16_t) ret;
2289 ret = (int32_t) ret;
2296 dump_asi("read ", last_addr, asi, size, ret);
2301 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
2304 dump_asi("write", addr, asi, size, val);
2306 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2307 || ((env->def->features & CPU_FEATURE_HYPV)
2308 && asi >= 0x30 && asi < 0x80
2309 && !(env->hpstate & HS_PRIV)))
2310 raise_exception(TT_PRIV_ACT);
2312 helper_check_align(addr, size - 1);
2313 /* Convert to little endian */
2315 case 0x0c: // Nucleus Little Endian (LE)
2316 case 0x18: // As if user primary LE
2317 case 0x19: // As if user secondary LE
2318 case 0x1c: // Bypass LE
2319 case 0x1d: // Bypass, non-cacheable LE
2320 case 0x88: // Primary LE
2321 case 0x89: // Secondary LE
2324 addr = bswap16(addr);
2327 addr = bswap32(addr);
2330 addr = bswap64(addr);
2340 case 0x10: // As if user primary
2341 case 0x18: // As if user primary LE
2342 case 0x80: // Primary
2343 case 0x88: // Primary LE
2344 case 0xe2: // UA2007 Primary block init
2345 case 0xe3: // UA2007 Secondary block init
2346 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
2347 if ((env->def->features & CPU_FEATURE_HYPV)
2348 && env->hpstate & HS_PRIV) {
2351 stb_hypv(addr, val);
2354 stw_hypv(addr, val);
2357 stl_hypv(addr, val);
2361 stq_hypv(addr, val);
2367 stb_kernel(addr, val);
2370 stw_kernel(addr, val);
2373 stl_kernel(addr, val);
2377 stq_kernel(addr, val);
2384 stb_user(addr, val);
2387 stw_user(addr, val);
2390 stl_user(addr, val);
2394 stq_user(addr, val);
2399 case 0x14: // Bypass
2400 case 0x15: // Bypass, non-cacheable
2401 case 0x1c: // Bypass LE
2402 case 0x1d: // Bypass, non-cacheable LE
2406 stb_phys(addr, val);
2409 stw_phys(addr, val);
2412 stl_phys(addr, val);
2416 stq_phys(addr, val);
2421 case 0x24: // Nucleus quad LDD 128 bit atomic
2422 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2423 // Only ldda allowed
2424 raise_exception(TT_ILL_INSN);
2426 case 0x04: // Nucleus
2427 case 0x0c: // Nucleus Little Endian (LE)
2428 case 0x11: // As if user secondary
2429 case 0x19: // As if user secondary LE
2430 case 0x4a: // UPA config
2431 case 0x81: // Secondary
2432 case 0x89: // Secondary LE
2440 env->lsu = val & (DMMU_E | IMMU_E);
2441 // Mappings generated during D/I MMU disabled mode are
2442 // invalid in normal mode
2443 if (oldreg != env->lsu) {
2444 DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n",
2453 case 0x50: // I-MMU regs
2455 int reg = (addr >> 3) & 0xf;
2458 oldreg = env->immuregs[reg];
2463 case 1: // Not in I-MMU
2470 val = 0; // Clear SFSR
2472 case 5: // TSB access
2473 case 6: // Tag access
2477 env->immuregs[reg] = val;
2478 if (oldreg != env->immuregs[reg]) {
2479 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
2480 PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
2487 case 0x54: // I-MMU data in
2491 // Try finding an invalid entry
2492 for (i = 0; i < 64; i++) {
2493 if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) {
2494 env->itlb_tag[i] = env->immuregs[6];
2495 env->itlb_tte[i] = val;
2499 // Try finding an unlocked entry
2500 for (i = 0; i < 64; i++) {
2501 if ((env->itlb_tte[i] & 0x40) == 0) {
2502 env->itlb_tag[i] = env->immuregs[6];
2503 env->itlb_tte[i] = val;
2510 case 0x55: // I-MMU data access
2514 unsigned int i = (addr >> 3) & 0x3f;
2516 env->itlb_tag[i] = env->immuregs[6];
2517 env->itlb_tte[i] = val;
2520 case 0x57: // I-MMU demap
2524 for (i = 0; i < 64; i++) {
2525 if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0) {
2526 target_ulong mask = 0xffffffffffffe000ULL;
2528 mask <<= 3 * ((env->itlb_tte[i] >> 61) & 3);
2529 if ((val & mask) == (env->itlb_tag[i] & mask)) {
2530 env->itlb_tag[i] = 0;
2531 env->itlb_tte[i] = 0;
2538 case 0x58: // D-MMU regs
2540 int reg = (addr >> 3) & 0xf;
2543 oldreg = env->dmmuregs[reg];
2549 if ((val & 1) == 0) {
2550 val = 0; // Clear SFSR, Fault address
2551 env->dmmuregs[4] = 0;
2553 env->dmmuregs[reg] = val;
2555 case 1: // Primary context
2556 case 2: // Secondary context
2557 case 5: // TSB access
2558 case 6: // Tag access
2559 case 7: // Virtual Watchpoint
2560 case 8: // Physical Watchpoint
2564 env->dmmuregs[reg] = val;
2565 if (oldreg != env->dmmuregs[reg]) {
2566 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
2567 PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
2574 case 0x5c: // D-MMU data in
2578 // Try finding an invalid entry
2579 for (i = 0; i < 64; i++) {
2580 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) {
2581 env->dtlb_tag[i] = env->dmmuregs[6];
2582 env->dtlb_tte[i] = val;
2586 // Try finding an unlocked entry
2587 for (i = 0; i < 64; i++) {
2588 if ((env->dtlb_tte[i] & 0x40) == 0) {
2589 env->dtlb_tag[i] = env->dmmuregs[6];
2590 env->dtlb_tte[i] = val;
2597 case 0x5d: // D-MMU data access
2599 unsigned int i = (addr >> 3) & 0x3f;
2601 env->dtlb_tag[i] = env->dmmuregs[6];
2602 env->dtlb_tte[i] = val;
2605 case 0x5f: // D-MMU demap
2609 for (i = 0; i < 64; i++) {
2610 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0) {
2611 target_ulong mask = 0xffffffffffffe000ULL;
2613 mask <<= 3 * ((env->dtlb_tte[i] >> 61) & 3);
2614 if ((val & mask) == (env->dtlb_tag[i] & mask)) {
2615 env->dtlb_tag[i] = 0;
2616 env->dtlb_tte[i] = 0;
2623 case 0x49: // Interrupt data receive
2626 case 0x46: // D-cache data
2627 case 0x47: // D-cache tag access
2628 case 0x4b: // E-cache error enable
2629 case 0x4c: // E-cache asynchronous fault status
2630 case 0x4d: // E-cache asynchronous fault address
2631 case 0x4e: // E-cache tag data
2632 case 0x66: // I-cache instruction access
2633 case 0x67: // I-cache tag access
2634 case 0x6e: // I-cache predecode
2635 case 0x6f: // I-cache LRU etc.
2636 case 0x76: // E-cache tag
2637 case 0x7e: // E-cache tag
2639 case 0x51: // I-MMU 8k TSB pointer, RO
2640 case 0x52: // I-MMU 64k TSB pointer, RO
2641 case 0x56: // I-MMU tag read, RO
2642 case 0x59: // D-MMU 8k TSB pointer, RO
2643 case 0x5a: // D-MMU 64k TSB pointer, RO
2644 case 0x5b: // D-MMU data pointer, RO
2645 case 0x5e: // D-MMU tag read, RO
2646 case 0x48: // Interrupt dispatch, RO
2647 case 0x7f: // Incoming interrupt vector, RO
2648 case 0x82: // Primary no-fault, RO
2649 case 0x83: // Secondary no-fault, RO
2650 case 0x8a: // Primary no-fault LE, RO
2651 case 0x8b: // Secondary no-fault LE, RO
2653 do_unassigned_access(addr, 1, 0, 1, size);
2657 #endif /* CONFIG_USER_ONLY */
2659 void helper_ldda_asi(target_ulong addr, int asi, int rd)
2661 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2662 || ((env->def->features & CPU_FEATURE_HYPV)
2663 && asi >= 0x30 && asi < 0x80
2664 && !(env->hpstate & HS_PRIV)))
2665 raise_exception(TT_PRIV_ACT);
2668 case 0x24: // Nucleus quad LDD 128 bit atomic
2669 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2670 helper_check_align(addr, 0xf);
2672 env->gregs[1] = ldq_kernel(addr + 8);
2674 bswap64s(&env->gregs[1]);
2675 } else if (rd < 8) {
2676 env->gregs[rd] = ldq_kernel(addr);
2677 env->gregs[rd + 1] = ldq_kernel(addr + 8);
2679 bswap64s(&env->gregs[rd]);
2680 bswap64s(&env->gregs[rd + 1]);
2683 env->regwptr[rd] = ldq_kernel(addr);
2684 env->regwptr[rd + 1] = ldq_kernel(addr + 8);
2686 bswap64s(&env->regwptr[rd]);
2687 bswap64s(&env->regwptr[rd + 1]);
2692 helper_check_align(addr, 0x3);
2694 env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0);
2696 env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0);
2697 env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2699 env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0);
2700 env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2706 void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
2711 helper_check_align(addr, 3);
2713 case 0xf0: // Block load primary
2714 case 0xf1: // Block load secondary
2715 case 0xf8: // Block load primary LE
2716 case 0xf9: // Block load secondary LE
2718 raise_exception(TT_ILL_INSN);
2721 helper_check_align(addr, 0x3f);
2722 for (i = 0; i < 16; i++) {
2723 *(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4,
2733 val = helper_ld_asi(addr, asi, size, 0);
2737 *((uint32_t *)&env->fpr[rd]) = val;
2740 *((int64_t *)&DT0) = val;
2748 void helper_stf_asi(target_ulong addr, int asi, int size, int rd)
2751 target_ulong val = 0;
2753 helper_check_align(addr, 3);
2755 case 0xe0: // UA2007 Block commit store primary (cache flush)
2756 case 0xe1: // UA2007 Block commit store secondary (cache flush)
2757 case 0xf0: // Block store primary
2758 case 0xf1: // Block store secondary
2759 case 0xf8: // Block store primary LE
2760 case 0xf9: // Block store secondary LE
2762 raise_exception(TT_ILL_INSN);
2765 helper_check_align(addr, 0x3f);
2766 for (i = 0; i < 16; i++) {
2767 val = *(uint32_t *)&env->fpr[rd++];
2768 helper_st_asi(addr, val, asi & 0x8f, 4);
2780 val = *((uint32_t *)&env->fpr[rd]);
2783 val = *((int64_t *)&DT0);
2789 helper_st_asi(addr, val, asi, size);
2792 target_ulong helper_cas_asi(target_ulong addr, target_ulong val1,
2793 target_ulong val2, uint32_t asi)
2797 val2 &= 0xffffffffUL;
2798 ret = helper_ld_asi(addr, asi, 4, 0);
2799 ret &= 0xffffffffUL;
2801 helper_st_asi(addr, val1 & 0xffffffffUL, asi, 4);
2805 target_ulong helper_casx_asi(target_ulong addr, target_ulong val1,
2806 target_ulong val2, uint32_t asi)
2810 ret = helper_ld_asi(addr, asi, 8, 0);
2812 helper_st_asi(addr, val1, asi, 8);
2815 #endif /* TARGET_SPARC64 */
2817 #ifndef TARGET_SPARC64
2818 void helper_rett(void)
2822 if (env->psret == 1)
2823 raise_exception(TT_ILL_INSN);
2826 cwp = cpu_cwp_inc(env, env->cwp + 1) ;
2827 if (env->wim & (1 << cwp)) {
2828 raise_exception(TT_WIN_UNF);
2831 env->psrs = env->psrps;
2835 target_ulong helper_udiv(target_ulong a, target_ulong b)
2840 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2844 raise_exception(TT_DIV_ZERO);
2848 if (x0 > 0xffffffff) {
2857 target_ulong helper_sdiv(target_ulong a, target_ulong b)
2862 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2866 raise_exception(TT_DIV_ZERO);
2870 if ((int32_t) x0 != x0) {
2872 return x0 < 0? 0x80000000: 0x7fffffff;
2879 void helper_stdf(target_ulong addr, int mem_idx)
2881 helper_check_align(addr, 7);
2882 #if !defined(CONFIG_USER_ONLY)
2885 stfq_user(addr, DT0);
2888 stfq_kernel(addr, DT0);
2890 #ifdef TARGET_SPARC64
2892 stfq_hypv(addr, DT0);
2899 address_mask(env, &addr);
2900 stfq_raw(addr, DT0);
2904 void helper_lddf(target_ulong addr, int mem_idx)
2906 helper_check_align(addr, 7);
2907 #if !defined(CONFIG_USER_ONLY)
2910 DT0 = ldfq_user(addr);
2913 DT0 = ldfq_kernel(addr);
2915 #ifdef TARGET_SPARC64
2917 DT0 = ldfq_hypv(addr);
2924 address_mask(env, &addr);
2925 DT0 = ldfq_raw(addr);
2929 void helper_ldqf(target_ulong addr, int mem_idx)
2931 // XXX add 128 bit load
2934 helper_check_align(addr, 7);
2935 #if !defined(CONFIG_USER_ONLY)
2938 u.ll.upper = ldq_user(addr);
2939 u.ll.lower = ldq_user(addr + 8);
2943 u.ll.upper = ldq_kernel(addr);
2944 u.ll.lower = ldq_kernel(addr + 8);
2947 #ifdef TARGET_SPARC64
2949 u.ll.upper = ldq_hypv(addr);
2950 u.ll.lower = ldq_hypv(addr + 8);
2958 address_mask(env, &addr);
2959 u.ll.upper = ldq_raw(addr);
2960 u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL);
2965 void helper_stqf(target_ulong addr, int mem_idx)
2967 // XXX add 128 bit store
2970 helper_check_align(addr, 7);
2971 #if !defined(CONFIG_USER_ONLY)
2975 stq_user(addr, u.ll.upper);
2976 stq_user(addr + 8, u.ll.lower);
2980 stq_kernel(addr, u.ll.upper);
2981 stq_kernel(addr + 8, u.ll.lower);
2983 #ifdef TARGET_SPARC64
2986 stq_hypv(addr, u.ll.upper);
2987 stq_hypv(addr + 8, u.ll.lower);
2995 address_mask(env, &addr);
2996 stq_raw(addr, u.ll.upper);
2997 stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower);
3001 static inline void set_fsr(void)
3005 switch (env->fsr & FSR_RD_MASK) {
3006 case FSR_RD_NEAREST:
3007 rnd_mode = float_round_nearest_even;
3011 rnd_mode = float_round_to_zero;
3014 rnd_mode = float_round_up;
3017 rnd_mode = float_round_down;
3020 set_float_rounding_mode(rnd_mode, &env->fp_status);
3023 void helper_ldfsr(uint32_t new_fsr)
3025 env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK);
3029 #ifdef TARGET_SPARC64
3030 void helper_ldxfsr(uint64_t new_fsr)
3032 env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK);
3037 void helper_debug(void)
3039 env->exception_index = EXCP_DEBUG;
3043 #ifndef TARGET_SPARC64
3044 /* XXX: use another pointer for %iN registers to avoid slow wrapping
3046 void helper_save(void)
3050 cwp = cpu_cwp_dec(env, env->cwp - 1);
3051 if (env->wim & (1 << cwp)) {
3052 raise_exception(TT_WIN_OVF);
3057 void helper_restore(void)
3061 cwp = cpu_cwp_inc(env, env->cwp + 1);
3062 if (env->wim & (1 << cwp)) {
3063 raise_exception(TT_WIN_UNF);
3068 void helper_wrpsr(target_ulong new_psr)
3070 if ((new_psr & PSR_CWP) >= env->nwindows)
3071 raise_exception(TT_ILL_INSN);
3073 PUT_PSR(env, new_psr);
3076 target_ulong helper_rdpsr(void)
3078 return GET_PSR(env);
3082 /* XXX: use another pointer for %iN registers to avoid slow wrapping
3084 void helper_save(void)
3088 cwp = cpu_cwp_dec(env, env->cwp - 1);
3089 if (env->cansave == 0) {
3090 raise_exception(TT_SPILL | (env->otherwin != 0 ?
3091 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
3092 ((env->wstate & 0x7) << 2)));
3094 if (env->cleanwin - env->canrestore == 0) {
3095 // XXX Clean windows without trap
3096 raise_exception(TT_CLRWIN);
3105 void helper_restore(void)
3109 cwp = cpu_cwp_inc(env, env->cwp + 1);
3110 if (env->canrestore == 0) {
3111 raise_exception(TT_FILL | (env->otherwin != 0 ?
3112 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
3113 ((env->wstate & 0x7) << 2)));
3121 void helper_flushw(void)
3123 if (env->cansave != env->nwindows - 2) {
3124 raise_exception(TT_SPILL | (env->otherwin != 0 ?
3125 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
3126 ((env->wstate & 0x7) << 2)));
3130 void helper_saved(void)
3133 if (env->otherwin == 0)
3139 void helper_restored(void)
3142 if (env->cleanwin < env->nwindows - 1)
3144 if (env->otherwin == 0)
3150 target_ulong helper_rdccr(void)
3152 return GET_CCR(env);
3155 void helper_wrccr(target_ulong new_ccr)
3157 PUT_CCR(env, new_ccr);
3160 // CWP handling is reversed in V9, but we still use the V8 register
3162 target_ulong helper_rdcwp(void)
3164 return GET_CWP64(env);
3167 void helper_wrcwp(target_ulong new_cwp)
3169 PUT_CWP64(env, new_cwp);
3172 // This function uses non-native bit order
3173 #define GET_FIELD(X, FROM, TO) \
3174 ((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
3176 // This function uses the order in the manuals, i.e. bit 0 is 2^0
3177 #define GET_FIELD_SP(X, FROM, TO) \
3178 GET_FIELD(X, 63 - (TO), 63 - (FROM))
3180 target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
3182 return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
3183 (GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
3184 (GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
3185 (GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
3186 (GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
3187 (GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
3188 (((pixel_addr >> 55) & 1) << 4) |
3189 (GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
3190 GET_FIELD_SP(pixel_addr, 11, 12);
3193 target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
3197 tmp = addr + offset;
3199 env->gsr |= tmp & 7ULL;
3203 target_ulong helper_popc(target_ulong val)
3205 return ctpop64(val);
3208 static inline uint64_t *get_gregset(uint64_t pstate)
3223 static inline void change_pstate(uint64_t new_pstate)
3225 uint64_t pstate_regs, new_pstate_regs;
3226 uint64_t *src, *dst;
3228 pstate_regs = env->pstate & 0xc01;
3229 new_pstate_regs = new_pstate & 0xc01;
3230 if (new_pstate_regs != pstate_regs) {
3231 // Switch global register bank
3232 src = get_gregset(new_pstate_regs);
3233 dst = get_gregset(pstate_regs);
3234 memcpy32(dst, env->gregs);
3235 memcpy32(env->gregs, src);
3237 env->pstate = new_pstate;
3240 void helper_wrpstate(target_ulong new_state)
3242 if (!(env->def->features & CPU_FEATURE_GL))
3243 change_pstate(new_state & 0xf3f);
3246 void helper_done(void)
3248 env->pc = env->tsptr->tpc;
3249 env->npc = env->tsptr->tnpc + 4;
3250 PUT_CCR(env, env->tsptr->tstate >> 32);
3251 env->asi = (env->tsptr->tstate >> 24) & 0xff;
3252 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
3253 PUT_CWP64(env, env->tsptr->tstate & 0xff);
3255 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
3258 void helper_retry(void)
3260 env->pc = env->tsptr->tpc;
3261 env->npc = env->tsptr->tnpc;
3262 PUT_CCR(env, env->tsptr->tstate >> 32);
3263 env->asi = (env->tsptr->tstate >> 24) & 0xff;
3264 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
3265 PUT_CWP64(env, env->tsptr->tstate & 0xff);
3267 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
3270 void helper_set_softint(uint64_t value)
3272 env->softint |= (uint32_t)value;
3275 void helper_clear_softint(uint64_t value)
3277 env->softint &= (uint32_t)~value;
3280 void helper_write_softint(uint64_t value)
3282 env->softint = (uint32_t)value;
3286 void helper_flush(target_ulong addr)
3289 tb_invalidate_page_range(addr, addr + 8);
3292 #ifdef TARGET_SPARC64
3294 static const char * const excp_names[0x80] = {
3295 [TT_TFAULT] = "Instruction Access Fault",
3296 [TT_TMISS] = "Instruction Access MMU Miss",
3297 [TT_CODE_ACCESS] = "Instruction Access Error",
3298 [TT_ILL_INSN] = "Illegal Instruction",
3299 [TT_PRIV_INSN] = "Privileged Instruction",
3300 [TT_NFPU_INSN] = "FPU Disabled",
3301 [TT_FP_EXCP] = "FPU Exception",
3302 [TT_TOVF] = "Tag Overflow",
3303 [TT_CLRWIN] = "Clean Windows",
3304 [TT_DIV_ZERO] = "Division By Zero",
3305 [TT_DFAULT] = "Data Access Fault",
3306 [TT_DMISS] = "Data Access MMU Miss",
3307 [TT_DATA_ACCESS] = "Data Access Error",
3308 [TT_DPROT] = "Data Protection Error",
3309 [TT_UNALIGNED] = "Unaligned Memory Access",
3310 [TT_PRIV_ACT] = "Privileged Action",
3311 [TT_EXTINT | 0x1] = "External Interrupt 1",
3312 [TT_EXTINT | 0x2] = "External Interrupt 2",
3313 [TT_EXTINT | 0x3] = "External Interrupt 3",
3314 [TT_EXTINT | 0x4] = "External Interrupt 4",
3315 [TT_EXTINT | 0x5] = "External Interrupt 5",
3316 [TT_EXTINT | 0x6] = "External Interrupt 6",
3317 [TT_EXTINT | 0x7] = "External Interrupt 7",
3318 [TT_EXTINT | 0x8] = "External Interrupt 8",
3319 [TT_EXTINT | 0x9] = "External Interrupt 9",
3320 [TT_EXTINT | 0xa] = "External Interrupt 10",
3321 [TT_EXTINT | 0xb] = "External Interrupt 11",
3322 [TT_EXTINT | 0xc] = "External Interrupt 12",
3323 [TT_EXTINT | 0xd] = "External Interrupt 13",
3324 [TT_EXTINT | 0xe] = "External Interrupt 14",
3325 [TT_EXTINT | 0xf] = "External Interrupt 15",
3329 void do_interrupt(CPUState *env)
3331 int intno = env->exception_index;
3334 if (qemu_loglevel_mask(CPU_LOG_INT)) {
3338 if (intno < 0 || intno >= 0x180)
3340 else if (intno >= 0x100)
3341 name = "Trap Instruction";
3342 else if (intno >= 0xc0)
3343 name = "Window Fill";
3344 else if (intno >= 0x80)
3345 name = "Window Spill";
3347 name = excp_names[intno];
3352 qemu_log("%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
3353 " SP=%016" PRIx64 "\n",
3356 env->npc, env->regwptr[6]);
3357 log_cpu_state(env, 0);
3364 ptr = (uint8_t *)env->pc;
3365 for(i = 0; i < 16; i++) {
3366 qemu_log(" %02x", ldub(ptr + i));
3374 #if !defined(CONFIG_USER_ONLY)
3375 if (env->tl >= env->maxtl) {
3376 cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
3377 " Error state", env->exception_index, env->tl, env->maxtl);
3381 if (env->tl < env->maxtl - 1) {
3384 env->pstate |= PS_RED;
3385 if (env->tl < env->maxtl)
3388 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
3389 env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
3390 ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
3392 env->tsptr->tpc = env->pc;
3393 env->tsptr->tnpc = env->npc;
3394 env->tsptr->tt = intno;
3395 if (!(env->def->features & CPU_FEATURE_GL)) {
3398 change_pstate(PS_PEF | PS_PRIV | PS_IG);
3405 change_pstate(PS_PEF | PS_PRIV | PS_MG);
3408 change_pstate(PS_PEF | PS_PRIV | PS_AG);
3412 if (intno == TT_CLRWIN)
3413 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
3414 else if ((intno & 0x1c0) == TT_SPILL)
3415 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
3416 else if ((intno & 0x1c0) == TT_FILL)
3417 cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
3418 env->tbr &= ~0x7fffULL;
3419 env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
3421 env->npc = env->pc + 4;
3422 env->exception_index = 0;
3426 static const char * const excp_names[0x80] = {
3427 [TT_TFAULT] = "Instruction Access Fault",
3428 [TT_ILL_INSN] = "Illegal Instruction",
3429 [TT_PRIV_INSN] = "Privileged Instruction",
3430 [TT_NFPU_INSN] = "FPU Disabled",
3431 [TT_WIN_OVF] = "Window Overflow",
3432 [TT_WIN_UNF] = "Window Underflow",
3433 [TT_UNALIGNED] = "Unaligned Memory Access",
3434 [TT_FP_EXCP] = "FPU Exception",
3435 [TT_DFAULT] = "Data Access Fault",
3436 [TT_TOVF] = "Tag Overflow",
3437 [TT_EXTINT | 0x1] = "External Interrupt 1",
3438 [TT_EXTINT | 0x2] = "External Interrupt 2",
3439 [TT_EXTINT | 0x3] = "External Interrupt 3",
3440 [TT_EXTINT | 0x4] = "External Interrupt 4",
3441 [TT_EXTINT | 0x5] = "External Interrupt 5",
3442 [TT_EXTINT | 0x6] = "External Interrupt 6",
3443 [TT_EXTINT | 0x7] = "External Interrupt 7",
3444 [TT_EXTINT | 0x8] = "External Interrupt 8",
3445 [TT_EXTINT | 0x9] = "External Interrupt 9",
3446 [TT_EXTINT | 0xa] = "External Interrupt 10",
3447 [TT_EXTINT | 0xb] = "External Interrupt 11",
3448 [TT_EXTINT | 0xc] = "External Interrupt 12",
3449 [TT_EXTINT | 0xd] = "External Interrupt 13",
3450 [TT_EXTINT | 0xe] = "External Interrupt 14",
3451 [TT_EXTINT | 0xf] = "External Interrupt 15",
3452 [TT_TOVF] = "Tag Overflow",
3453 [TT_CODE_ACCESS] = "Instruction Access Error",
3454 [TT_DATA_ACCESS] = "Data Access Error",
3455 [TT_DIV_ZERO] = "Division By Zero",
3456 [TT_NCP_INSN] = "Coprocessor Disabled",
3460 void do_interrupt(CPUState *env)
3462 int cwp, intno = env->exception_index;
3465 if (qemu_loglevel_mask(CPU_LOG_INT)) {
3469 if (intno < 0 || intno >= 0x100)
3471 else if (intno >= 0x80)
3472 name = "Trap Instruction";
3474 name = excp_names[intno];
3479 qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
3482 env->npc, env->regwptr[6]);
3483 log_cpu_state(env, 0);
3490 ptr = (uint8_t *)env->pc;
3491 for(i = 0; i < 16; i++) {
3492 qemu_log(" %02x", ldub(ptr + i));
3500 #if !defined(CONFIG_USER_ONLY)
3501 if (env->psret == 0) {
3502 cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
3503 env->exception_index);
3508 cwp = cpu_cwp_dec(env, env->cwp - 1);
3509 cpu_set_cwp(env, cwp);
3510 env->regwptr[9] = env->pc;
3511 env->regwptr[10] = env->npc;
3512 env->psrps = env->psrs;
3514 env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
3516 env->npc = env->pc + 4;
3517 env->exception_index = 0;
3521 #if !defined(CONFIG_USER_ONLY)
3523 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
3526 #define MMUSUFFIX _mmu
3527 #define ALIGNED_ONLY
3530 #include "softmmu_template.h"
3533 #include "softmmu_template.h"
3536 #include "softmmu_template.h"
3539 #include "softmmu_template.h"
3541 /* XXX: make it generic ? */
3542 static void cpu_restore_state2(void *retaddr)
3544 TranslationBlock *tb;
3548 /* now we have a real cpu fault */
3549 pc = (unsigned long)retaddr;
3550 tb = tb_find_pc(pc);
3552 /* the PC is inside the translated code. It means that we have
3553 a virtual CPU fault */
3554 cpu_restore_state(tb, env, pc, (void *)(long)env->cond);
3559 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
3562 #ifdef DEBUG_UNALIGNED
3563 printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
3564 "\n", addr, env->pc);
3566 cpu_restore_state2(retaddr);
3567 raise_exception(TT_UNALIGNED);
3570 /* try to fill the TLB and return an exception if error. If retaddr is
3571 NULL, it means that the function was called in C code (i.e. not
3572 from generated code or from helper.c) */
3573 /* XXX: fix it to restore all registers */
3574 void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
3577 CPUState *saved_env;
3579 /* XXX: hack to restore env in all cases, even if not called from
3582 env = cpu_single_env;
3584 ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
3586 cpu_restore_state2(retaddr);
3594 #ifndef TARGET_SPARC64
3595 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3596 int is_asi, int size)
3598 CPUState *saved_env;
3600 /* XXX: hack to restore env in all cases, even if not called from
3603 env = cpu_single_env;
3604 #ifdef DEBUG_UNASSIGNED
3606 printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
3607 " asi 0x%02x from " TARGET_FMT_lx "\n",
3608 is_exec ? "exec" : is_write ? "write" : "read", size,
3609 size == 1 ? "" : "s", addr, is_asi, env->pc);
3611 printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
3612 " from " TARGET_FMT_lx "\n",
3613 is_exec ? "exec" : is_write ? "write" : "read", size,
3614 size == 1 ? "" : "s", addr, env->pc);
3616 if (env->mmuregs[3]) /* Fault status register */
3617 env->mmuregs[3] = 1; /* overflow (not read before another fault) */
3619 env->mmuregs[3] |= 1 << 16;
3621 env->mmuregs[3] |= 1 << 5;
3623 env->mmuregs[3] |= 1 << 6;
3625 env->mmuregs[3] |= 1 << 7;
3626 env->mmuregs[3] |= (5 << 2) | 2;
3627 env->mmuregs[4] = addr; /* Fault address register */
3628 if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) {
3630 raise_exception(TT_CODE_ACCESS);
3632 raise_exception(TT_DATA_ACCESS);
3637 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3638 int is_asi, int size)
3640 #ifdef DEBUG_UNASSIGNED
3641 CPUState *saved_env;
3643 /* XXX: hack to restore env in all cases, even if not called from
3646 env = cpu_single_env;
3647 printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx
3648 "\n", addr, env->pc);
3652 raise_exception(TT_CODE_ACCESS);
3654 raise_exception(TT_DATA_ACCESS);
3658 #ifdef TARGET_SPARC64
3659 void helper_tick_set_count(void *opaque, uint64_t count)
3661 #if !defined(CONFIG_USER_ONLY)
3662 cpu_tick_set_count(opaque, count);
3666 uint64_t helper_tick_get_count(void *opaque)
3668 #if !defined(CONFIG_USER_ONLY)
3669 return cpu_tick_get_count(opaque);
3675 void helper_tick_set_limit(void *opaque, uint64_t limit)
3677 #if !defined(CONFIG_USER_ONLY)
3678 cpu_tick_set_limit(opaque, limit);