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_V_tag_icc(target_ulong src1, target_ulong src2)
909 if ((src1 | src2) & 0x3)
914 static uint32_t compute_all_tadd(void)
918 ret = get_NZ_icc(CC_DST);
919 ret |= get_C_add_icc(CC_DST, CC_SRC);
920 ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2);
921 ret |= get_V_tag_icc(CC_SRC, CC_SRC2);
925 static uint32_t compute_C_tadd(void)
927 return get_C_add_icc(CC_DST, CC_SRC);
930 static uint32_t compute_all_taddtv(void)
934 ret = get_NZ_icc(CC_DST);
935 ret |= get_C_add_icc(CC_DST, CC_SRC);
939 static uint32_t compute_C_taddtv(void)
941 return get_C_add_icc(CC_DST, CC_SRC);
944 static inline uint32_t get_C_sub_icc(target_ulong src1, target_ulong src2)
948 if ((src1 & 0xffffffffULL) < (src2 & 0xffffffffULL))
953 static inline uint32_t get_V_sub_icc(target_ulong dst, target_ulong src1,
958 if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 31))
963 static uint32_t compute_all_sub(void)
967 ret = get_NZ_icc(CC_DST);
968 ret |= get_C_sub_icc(CC_SRC, CC_SRC2);
969 ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
973 static uint32_t compute_C_sub(void)
975 return get_C_sub_icc(CC_SRC, CC_SRC2);
978 #ifdef TARGET_SPARC64
979 static inline uint32_t get_C_sub_xcc(target_ulong src1, target_ulong src2)
988 static inline uint32_t get_V_sub_xcc(target_ulong dst, target_ulong src1,
993 if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 63))
998 static uint32_t compute_all_sub_xcc(void)
1002 ret = get_NZ_xcc(CC_DST);
1003 ret |= get_C_sub_xcc(CC_SRC, CC_SRC2);
1004 ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2);
1008 static uint32_t compute_C_sub_xcc(void)
1010 return get_C_sub_xcc(CC_SRC, CC_SRC2);
1014 static uint32_t compute_all_subx(void)
1018 ret = get_NZ_icc(CC_DST);
1019 ret |= get_C_sub_icc(CC_DST - CC_SRC2, CC_SRC);
1020 ret |= get_C_sub_icc(CC_DST, CC_SRC2);
1021 ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
1025 static uint32_t compute_C_subx(void)
1029 ret = get_C_sub_icc(CC_DST - CC_SRC2, CC_SRC);
1030 ret |= get_C_sub_icc(CC_DST, CC_SRC2);
1034 #ifdef TARGET_SPARC64
1035 static uint32_t compute_all_subx_xcc(void)
1039 ret = get_NZ_xcc(CC_DST);
1040 ret |= get_C_sub_xcc(CC_DST - CC_SRC2, CC_SRC);
1041 ret |= get_C_sub_xcc(CC_DST, CC_SRC2);
1042 ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2);
1046 static uint32_t compute_C_subx_xcc(void)
1050 ret = get_C_sub_xcc(CC_DST - CC_SRC2, CC_SRC);
1051 ret |= get_C_sub_xcc(CC_DST, CC_SRC2);
1056 static uint32_t compute_all_tsub(void)
1060 ret = get_NZ_icc(CC_DST);
1061 ret |= get_C_sub_icc(CC_DST, CC_SRC);
1062 ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
1063 ret |= get_V_tag_icc(CC_SRC, CC_SRC2);
1067 static uint32_t compute_C_tsub(void)
1069 return get_C_sub_icc(CC_DST, CC_SRC);
1072 static uint32_t compute_all_tsubtv(void)
1076 ret = get_NZ_icc(CC_DST);
1077 ret |= get_C_sub_icc(CC_DST, CC_SRC);
1081 static uint32_t compute_C_tsubtv(void)
1083 return get_C_sub_icc(CC_DST, CC_SRC);
1086 static uint32_t compute_all_logic(void)
1088 return get_NZ_icc(CC_DST);
1091 static uint32_t compute_C_logic(void)
1096 #ifdef TARGET_SPARC64
1097 static uint32_t compute_all_logic_xcc(void)
1099 return get_NZ_xcc(CC_DST);
1103 typedef struct CCTable {
1104 uint32_t (*compute_all)(void); /* return all the flags */
1105 uint32_t (*compute_c)(void); /* return the C flag */
1108 static const CCTable icc_table[CC_OP_NB] = {
1109 /* CC_OP_DYNAMIC should never happen */
1110 [CC_OP_FLAGS] = { compute_all_flags, compute_C_flags },
1111 [CC_OP_ADD] = { compute_all_add, compute_C_add },
1112 [CC_OP_ADDX] = { compute_all_addx, compute_C_addx },
1113 [CC_OP_TADD] = { compute_all_tadd, compute_C_tadd },
1114 [CC_OP_TADDTV] = { compute_all_taddtv, compute_C_taddtv },
1115 [CC_OP_SUB] = { compute_all_sub, compute_C_sub },
1116 [CC_OP_SUBX] = { compute_all_subx, compute_C_subx },
1117 [CC_OP_TSUB] = { compute_all_tsub, compute_C_tsub },
1118 [CC_OP_TSUBTV] = { compute_all_tsubtv, compute_C_tsubtv },
1119 [CC_OP_LOGIC] = { compute_all_logic, compute_C_logic },
1122 #ifdef TARGET_SPARC64
1123 static const CCTable xcc_table[CC_OP_NB] = {
1124 /* CC_OP_DYNAMIC should never happen */
1125 [CC_OP_FLAGS] = { compute_all_flags_xcc, compute_C_flags_xcc },
1126 [CC_OP_ADD] = { compute_all_add_xcc, compute_C_add_xcc },
1127 [CC_OP_ADDX] = { compute_all_addx_xcc, compute_C_addx_xcc },
1128 [CC_OP_TADD] = { compute_all_add_xcc, compute_C_add_xcc },
1129 [CC_OP_TADDTV] = { compute_all_add_xcc, compute_C_add_xcc },
1130 [CC_OP_SUB] = { compute_all_sub_xcc, compute_C_sub_xcc },
1131 [CC_OP_SUBX] = { compute_all_subx_xcc, compute_C_subx_xcc },
1132 [CC_OP_TSUB] = { compute_all_sub_xcc, compute_C_sub_xcc },
1133 [CC_OP_TSUBTV] = { compute_all_sub_xcc, compute_C_sub_xcc },
1134 [CC_OP_LOGIC] = { compute_all_logic_xcc, compute_C_logic },
1138 void helper_compute_psr(void)
1142 new_psr = icc_table[CC_OP].compute_all();
1144 #ifdef TARGET_SPARC64
1145 new_psr = xcc_table[CC_OP].compute_all();
1148 CC_OP = CC_OP_FLAGS;
1151 uint32_t helper_compute_C_icc(void)
1155 ret = icc_table[CC_OP].compute_c() >> PSR_CARRY_SHIFT;
1159 #ifdef TARGET_SPARC64
1160 GEN_FCMPS(fcmps_fcc1, float32, 22, 0);
1161 GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
1162 GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
1164 GEN_FCMPS(fcmps_fcc2, float32, 24, 0);
1165 GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
1166 GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
1168 GEN_FCMPS(fcmps_fcc3, float32, 26, 0);
1169 GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
1170 GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
1172 GEN_FCMPS(fcmpes_fcc1, float32, 22, 1);
1173 GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
1174 GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
1176 GEN_FCMPS(fcmpes_fcc2, float32, 24, 1);
1177 GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
1178 GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
1180 GEN_FCMPS(fcmpes_fcc3, float32, 26, 1);
1181 GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
1182 GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
1186 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
1188 static void dump_mxcc(CPUState *env)
1190 printf("mxccdata: %016llx %016llx %016llx %016llx\n",
1191 env->mxccdata[0], env->mxccdata[1],
1192 env->mxccdata[2], env->mxccdata[3]);
1193 printf("mxccregs: %016llx %016llx %016llx %016llx\n"
1194 " %016llx %016llx %016llx %016llx\n",
1195 env->mxccregs[0], env->mxccregs[1],
1196 env->mxccregs[2], env->mxccregs[3],
1197 env->mxccregs[4], env->mxccregs[5],
1198 env->mxccregs[6], env->mxccregs[7]);
1202 #if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
1203 && defined(DEBUG_ASI)
1204 static void dump_asi(const char *txt, target_ulong addr, int asi, int size,
1210 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt,
1211 addr, asi, r1 & 0xff);
1214 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt,
1215 addr, asi, r1 & 0xffff);
1218 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt,
1219 addr, asi, r1 & 0xffffffff);
1222 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt,
1229 #ifndef TARGET_SPARC64
1230 #ifndef CONFIG_USER_ONLY
1231 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1234 #if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
1235 uint32_t last_addr = addr;
1238 helper_check_align(addr, size - 1);
1240 case 2: /* SuperSparc MXCC registers */
1242 case 0x01c00a00: /* MXCC control register */
1244 ret = env->mxccregs[3];
1246 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1249 case 0x01c00a04: /* MXCC control register */
1251 ret = env->mxccregs[3];
1253 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1256 case 0x01c00c00: /* Module reset register */
1258 ret = env->mxccregs[5];
1259 // should we do something here?
1261 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1264 case 0x01c00f00: /* MBus port address register */
1266 ret = env->mxccregs[7];
1268 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1272 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1276 DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
1277 "addr = %08x -> ret = %" PRIx64 ","
1278 "addr = %08x\n", asi, size, sign, last_addr, ret, addr);
1283 case 3: /* MMU probe */
1287 mmulev = (addr >> 8) & 15;
1291 ret = mmu_probe(env, addr, mmulev);
1292 DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n",
1296 case 4: /* read MMU regs */
1298 int reg = (addr >> 8) & 0x1f;
1300 ret = env->mmuregs[reg];
1301 if (reg == 3) /* Fault status cleared on read */
1302 env->mmuregs[3] = 0;
1303 else if (reg == 0x13) /* Fault status read */
1304 ret = env->mmuregs[3];
1305 else if (reg == 0x14) /* Fault address read */
1306 ret = env->mmuregs[4];
1307 DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret);
1310 case 5: // Turbosparc ITLB Diagnostic
1311 case 6: // Turbosparc DTLB Diagnostic
1312 case 7: // Turbosparc IOTLB Diagnostic
1314 case 9: /* Supervisor code access */
1317 ret = ldub_code(addr);
1320 ret = lduw_code(addr);
1324 ret = ldl_code(addr);
1327 ret = ldq_code(addr);
1331 case 0xa: /* User data access */
1334 ret = ldub_user(addr);
1337 ret = lduw_user(addr);
1341 ret = ldl_user(addr);
1344 ret = ldq_user(addr);
1348 case 0xb: /* Supervisor data access */
1351 ret = ldub_kernel(addr);
1354 ret = lduw_kernel(addr);
1358 ret = ldl_kernel(addr);
1361 ret = ldq_kernel(addr);
1365 case 0xc: /* I-cache tag */
1366 case 0xd: /* I-cache data */
1367 case 0xe: /* D-cache tag */
1368 case 0xf: /* D-cache data */
1370 case 0x20: /* MMU passthrough */
1373 ret = ldub_phys(addr);
1376 ret = lduw_phys(addr);
1380 ret = ldl_phys(addr);
1383 ret = ldq_phys(addr);
1387 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1390 ret = ldub_phys((target_phys_addr_t)addr
1391 | ((target_phys_addr_t)(asi & 0xf) << 32));
1394 ret = lduw_phys((target_phys_addr_t)addr
1395 | ((target_phys_addr_t)(asi & 0xf) << 32));
1399 ret = ldl_phys((target_phys_addr_t)addr
1400 | ((target_phys_addr_t)(asi & 0xf) << 32));
1403 ret = ldq_phys((target_phys_addr_t)addr
1404 | ((target_phys_addr_t)(asi & 0xf) << 32));
1408 case 0x30: // Turbosparc secondary cache diagnostic
1409 case 0x31: // Turbosparc RAM snoop
1410 case 0x32: // Turbosparc page table descriptor diagnostic
1411 case 0x39: /* data cache diagnostic register */
1414 case 0x38: /* SuperSPARC MMU Breakpoint Control Registers */
1416 int reg = (addr >> 8) & 3;
1419 case 0: /* Breakpoint Value (Addr) */
1420 ret = env->mmubpregs[reg];
1422 case 1: /* Breakpoint Mask */
1423 ret = env->mmubpregs[reg];
1425 case 2: /* Breakpoint Control */
1426 ret = env->mmubpregs[reg];
1428 case 3: /* Breakpoint Status */
1429 ret = env->mmubpregs[reg];
1430 env->mmubpregs[reg] = 0ULL;
1433 DPRINTF_MMU("read breakpoint reg[%d] 0x%016llx\n", reg, ret);
1436 case 8: /* User code access, XXX */
1438 do_unassigned_access(addr, 0, 0, asi, size);
1448 ret = (int16_t) ret;
1451 ret = (int32_t) ret;
1458 dump_asi("read ", last_addr, asi, size, ret);
1463 void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size)
1465 helper_check_align(addr, size - 1);
1467 case 2: /* SuperSparc MXCC registers */
1469 case 0x01c00000: /* MXCC stream data register 0 */
1471 env->mxccdata[0] = val;
1473 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1476 case 0x01c00008: /* MXCC stream data register 1 */
1478 env->mxccdata[1] = val;
1480 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1483 case 0x01c00010: /* MXCC stream data register 2 */
1485 env->mxccdata[2] = val;
1487 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1490 case 0x01c00018: /* MXCC stream data register 3 */
1492 env->mxccdata[3] = val;
1494 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1497 case 0x01c00100: /* MXCC stream source */
1499 env->mxccregs[0] = val;
1501 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1503 env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1505 env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1507 env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1509 env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1512 case 0x01c00200: /* MXCC stream destination */
1514 env->mxccregs[1] = val;
1516 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1518 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0,
1520 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8,
1522 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16,
1524 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24,
1527 case 0x01c00a00: /* MXCC control register */
1529 env->mxccregs[3] = val;
1531 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1534 case 0x01c00a04: /* MXCC control register */
1536 env->mxccregs[3] = (env->mxccregs[3] & 0xffffffff00000000ULL)
1539 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1542 case 0x01c00e00: /* MXCC error register */
1543 // writing a 1 bit clears the error
1545 env->mxccregs[6] &= ~val;
1547 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1550 case 0x01c00f00: /* MBus port address register */
1552 env->mxccregs[7] = val;
1554 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1558 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1562 DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %" PRIx64 "\n",
1563 asi, size, addr, val);
1568 case 3: /* MMU flush */
1572 mmulev = (addr >> 8) & 15;
1573 DPRINTF_MMU("mmu flush level %d\n", mmulev);
1575 case 0: // flush page
1576 tlb_flush_page(env, addr & 0xfffff000);
1578 case 1: // flush segment (256k)
1579 case 2: // flush region (16M)
1580 case 3: // flush context (4G)
1581 case 4: // flush entire
1592 case 4: /* write MMU regs */
1594 int reg = (addr >> 8) & 0x1f;
1597 oldreg = env->mmuregs[reg];
1599 case 0: // Control Register
1600 env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
1602 // Mappings generated during no-fault mode or MMU
1603 // disabled mode are invalid in normal mode
1604 if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) !=
1605 (env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm)))
1608 case 1: // Context Table Pointer Register
1609 env->mmuregs[reg] = val & env->def->mmu_ctpr_mask;
1611 case 2: // Context Register
1612 env->mmuregs[reg] = val & env->def->mmu_cxr_mask;
1613 if (oldreg != env->mmuregs[reg]) {
1614 /* we flush when the MMU context changes because
1615 QEMU has no MMU context support */
1619 case 3: // Synchronous Fault Status Register with Clear
1620 case 4: // Synchronous Fault Address Register
1622 case 0x10: // TLB Replacement Control Register
1623 env->mmuregs[reg] = val & env->def->mmu_trcr_mask;
1625 case 0x13: // Synchronous Fault Status Register with Read and Clear
1626 env->mmuregs[3] = val & env->def->mmu_sfsr_mask;
1628 case 0x14: // Synchronous Fault Address Register
1629 env->mmuregs[4] = val;
1632 env->mmuregs[reg] = val;
1635 if (oldreg != env->mmuregs[reg]) {
1636 DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
1637 reg, oldreg, env->mmuregs[reg]);
1644 case 5: // Turbosparc ITLB Diagnostic
1645 case 6: // Turbosparc DTLB Diagnostic
1646 case 7: // Turbosparc IOTLB Diagnostic
1648 case 0xa: /* User data access */
1651 stb_user(addr, val);
1654 stw_user(addr, val);
1658 stl_user(addr, val);
1661 stq_user(addr, val);
1665 case 0xb: /* Supervisor data access */
1668 stb_kernel(addr, val);
1671 stw_kernel(addr, val);
1675 stl_kernel(addr, val);
1678 stq_kernel(addr, val);
1682 case 0xc: /* I-cache tag */
1683 case 0xd: /* I-cache data */
1684 case 0xe: /* D-cache tag */
1685 case 0xf: /* D-cache data */
1686 case 0x10: /* I/D-cache flush page */
1687 case 0x11: /* I/D-cache flush segment */
1688 case 0x12: /* I/D-cache flush region */
1689 case 0x13: /* I/D-cache flush context */
1690 case 0x14: /* I/D-cache flush user */
1692 case 0x17: /* Block copy, sta access */
1698 uint32_t src = val & ~3, dst = addr & ~3, temp;
1700 for (i = 0; i < 32; i += 4, src += 4, dst += 4) {
1701 temp = ldl_kernel(src);
1702 stl_kernel(dst, temp);
1706 case 0x1f: /* Block fill, stda access */
1709 // fill 32 bytes with val
1711 uint32_t dst = addr & 7;
1713 for (i = 0; i < 32; i += 8, dst += 8)
1714 stq_kernel(dst, val);
1717 case 0x20: /* MMU passthrough */
1721 stb_phys(addr, val);
1724 stw_phys(addr, val);
1728 stl_phys(addr, val);
1731 stq_phys(addr, val);
1736 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1740 stb_phys((target_phys_addr_t)addr
1741 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1744 stw_phys((target_phys_addr_t)addr
1745 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1749 stl_phys((target_phys_addr_t)addr
1750 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1753 stq_phys((target_phys_addr_t)addr
1754 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1759 case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic
1760 case 0x31: // store buffer data, Ross RT620 I-cache flush or
1761 // Turbosparc snoop RAM
1762 case 0x32: // store buffer control or Turbosparc page table
1763 // descriptor diagnostic
1764 case 0x36: /* I-cache flash clear */
1765 case 0x37: /* D-cache flash clear */
1766 case 0x4c: /* breakpoint action */
1768 case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/
1770 int reg = (addr >> 8) & 3;
1773 case 0: /* Breakpoint Value (Addr) */
1774 env->mmubpregs[reg] = (val & 0xfffffffffULL);
1776 case 1: /* Breakpoint Mask */
1777 env->mmubpregs[reg] = (val & 0xfffffffffULL);
1779 case 2: /* Breakpoint Control */
1780 env->mmubpregs[reg] = (val & 0x7fULL);
1782 case 3: /* Breakpoint Status */
1783 env->mmubpregs[reg] = (val & 0xfULL);
1786 DPRINTF_MMU("write breakpoint reg[%d] 0x%016llx\n", reg,
1790 case 8: /* User code access, XXX */
1791 case 9: /* Supervisor code access, XXX */
1793 do_unassigned_access(addr, 1, 0, asi, size);
1797 dump_asi("write", addr, asi, size, val);
1801 #endif /* CONFIG_USER_ONLY */
1802 #else /* TARGET_SPARC64 */
1804 #ifdef CONFIG_USER_ONLY
1805 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1808 #if defined(DEBUG_ASI)
1809 target_ulong last_addr = addr;
1813 raise_exception(TT_PRIV_ACT);
1815 helper_check_align(addr, size - 1);
1816 address_mask(env, &addr);
1819 case 0x82: // Primary no-fault
1820 case 0x8a: // Primary no-fault LE
1821 if (page_check_range(addr, size, PAGE_READ) == -1) {
1823 dump_asi("read ", last_addr, asi, size, ret);
1828 case 0x80: // Primary
1829 case 0x88: // Primary LE
1833 ret = ldub_raw(addr);
1836 ret = lduw_raw(addr);
1839 ret = ldl_raw(addr);
1843 ret = ldq_raw(addr);
1848 case 0x83: // Secondary no-fault
1849 case 0x8b: // Secondary no-fault LE
1850 if (page_check_range(addr, size, PAGE_READ) == -1) {
1852 dump_asi("read ", last_addr, asi, size, ret);
1857 case 0x81: // Secondary
1858 case 0x89: // Secondary LE
1865 /* Convert from little endian */
1867 case 0x88: // Primary LE
1868 case 0x89: // Secondary LE
1869 case 0x8a: // Primary no-fault LE
1870 case 0x8b: // Secondary no-fault LE
1888 /* Convert to signed number */
1895 ret = (int16_t) ret;
1898 ret = (int32_t) ret;
1905 dump_asi("read ", last_addr, asi, size, ret);
1910 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1913 dump_asi("write", addr, asi, size, val);
1916 raise_exception(TT_PRIV_ACT);
1918 helper_check_align(addr, size - 1);
1919 address_mask(env, &addr);
1921 /* Convert to little endian */
1923 case 0x88: // Primary LE
1924 case 0x89: // Secondary LE
1927 addr = bswap16(addr);
1930 addr = bswap32(addr);
1933 addr = bswap64(addr);
1943 case 0x80: // Primary
1944 case 0x88: // Primary LE
1963 case 0x81: // Secondary
1964 case 0x89: // Secondary LE
1968 case 0x82: // Primary no-fault, RO
1969 case 0x83: // Secondary no-fault, RO
1970 case 0x8a: // Primary no-fault LE, RO
1971 case 0x8b: // Secondary no-fault LE, RO
1973 do_unassigned_access(addr, 1, 0, 1, size);
1978 #else /* CONFIG_USER_ONLY */
1980 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1983 #if defined(DEBUG_ASI)
1984 target_ulong last_addr = addr;
1987 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1988 || ((env->def->features & CPU_FEATURE_HYPV)
1989 && asi >= 0x30 && asi < 0x80
1990 && !(env->hpstate & HS_PRIV)))
1991 raise_exception(TT_PRIV_ACT);
1993 helper_check_align(addr, size - 1);
1995 case 0x82: // Primary no-fault
1996 case 0x8a: // Primary no-fault LE
1997 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
1999 dump_asi("read ", last_addr, asi, size, ret);
2004 case 0x10: // As if user primary
2005 case 0x18: // As if user primary LE
2006 case 0x80: // Primary
2007 case 0x88: // Primary LE
2008 case 0xe2: // UA2007 Primary block init
2009 case 0xe3: // UA2007 Secondary block init
2010 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
2011 if ((env->def->features & CPU_FEATURE_HYPV)
2012 && env->hpstate & HS_PRIV) {
2015 ret = ldub_hypv(addr);
2018 ret = lduw_hypv(addr);
2021 ret = ldl_hypv(addr);
2025 ret = ldq_hypv(addr);
2031 ret = ldub_kernel(addr);
2034 ret = lduw_kernel(addr);
2037 ret = ldl_kernel(addr);
2041 ret = ldq_kernel(addr);
2048 ret = ldub_user(addr);
2051 ret = lduw_user(addr);
2054 ret = ldl_user(addr);
2058 ret = ldq_user(addr);
2063 case 0x14: // Bypass
2064 case 0x15: // Bypass, non-cacheable
2065 case 0x1c: // Bypass LE
2066 case 0x1d: // Bypass, non-cacheable LE
2070 ret = ldub_phys(addr);
2073 ret = lduw_phys(addr);
2076 ret = ldl_phys(addr);
2080 ret = ldq_phys(addr);
2085 case 0x24: // Nucleus quad LDD 128 bit atomic
2086 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2087 // Only ldda allowed
2088 raise_exception(TT_ILL_INSN);
2090 case 0x83: // Secondary no-fault
2091 case 0x8b: // Secondary no-fault LE
2092 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
2094 dump_asi("read ", last_addr, asi, size, ret);
2099 case 0x04: // Nucleus
2100 case 0x0c: // Nucleus Little Endian (LE)
2101 case 0x11: // As if user secondary
2102 case 0x19: // As if user secondary LE
2103 case 0x4a: // UPA config
2104 case 0x81: // Secondary
2105 case 0x89: // Secondary LE
2111 case 0x50: // I-MMU regs
2113 int reg = (addr >> 3) & 0xf;
2116 // I-TSB Tag Target register
2117 ret = ultrasparc_tag_target(env->immuregs[6]);
2119 ret = env->immuregs[reg];
2124 case 0x51: // I-MMU 8k TSB pointer
2126 // env->immuregs[5] holds I-MMU TSB register value
2127 // env->immuregs[6] holds I-MMU Tag Access register value
2128 ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6],
2132 case 0x52: // I-MMU 64k TSB pointer
2134 // env->immuregs[5] holds I-MMU TSB register value
2135 // env->immuregs[6] holds I-MMU Tag Access register value
2136 ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6],
2140 case 0x55: // I-MMU data access
2142 int reg = (addr >> 3) & 0x3f;
2144 ret = env->itlb_tte[reg];
2147 case 0x56: // I-MMU tag read
2149 int reg = (addr >> 3) & 0x3f;
2151 ret = env->itlb_tag[reg];
2154 case 0x58: // D-MMU regs
2156 int reg = (addr >> 3) & 0xf;
2159 // D-TSB Tag Target register
2160 ret = ultrasparc_tag_target(env->dmmuregs[6]);
2162 ret = env->dmmuregs[reg];
2166 case 0x59: // D-MMU 8k TSB pointer
2168 // env->dmmuregs[5] holds D-MMU TSB register value
2169 // env->dmmuregs[6] holds D-MMU Tag Access register value
2170 ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6],
2174 case 0x5a: // D-MMU 64k TSB pointer
2176 // env->dmmuregs[5] holds D-MMU TSB register value
2177 // env->dmmuregs[6] holds D-MMU Tag Access register value
2178 ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6],
2182 case 0x5d: // D-MMU data access
2184 int reg = (addr >> 3) & 0x3f;
2186 ret = env->dtlb_tte[reg];
2189 case 0x5e: // D-MMU tag read
2191 int reg = (addr >> 3) & 0x3f;
2193 ret = env->dtlb_tag[reg];
2196 case 0x46: // D-cache data
2197 case 0x47: // D-cache tag access
2198 case 0x4b: // E-cache error enable
2199 case 0x4c: // E-cache asynchronous fault status
2200 case 0x4d: // E-cache asynchronous fault address
2201 case 0x4e: // E-cache tag data
2202 case 0x66: // I-cache instruction access
2203 case 0x67: // I-cache tag access
2204 case 0x6e: // I-cache predecode
2205 case 0x6f: // I-cache LRU etc.
2206 case 0x76: // E-cache tag
2207 case 0x7e: // E-cache tag
2209 case 0x5b: // D-MMU data pointer
2210 case 0x48: // Interrupt dispatch, RO
2211 case 0x49: // Interrupt data receive
2212 case 0x7f: // Incoming interrupt vector, RO
2215 case 0x54: // I-MMU data in, WO
2216 case 0x57: // I-MMU demap, WO
2217 case 0x5c: // D-MMU data in, WO
2218 case 0x5f: // D-MMU demap, WO
2219 case 0x77: // Interrupt vector, WO
2221 do_unassigned_access(addr, 0, 0, 1, size);
2226 /* Convert from little endian */
2228 case 0x0c: // Nucleus Little Endian (LE)
2229 case 0x18: // As if user primary LE
2230 case 0x19: // As if user secondary LE
2231 case 0x1c: // Bypass LE
2232 case 0x1d: // Bypass, non-cacheable LE
2233 case 0x88: // Primary LE
2234 case 0x89: // Secondary LE
2235 case 0x8a: // Primary no-fault LE
2236 case 0x8b: // Secondary no-fault LE
2254 /* Convert to signed number */
2261 ret = (int16_t) ret;
2264 ret = (int32_t) ret;
2271 dump_asi("read ", last_addr, asi, size, ret);
2276 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
2279 dump_asi("write", addr, asi, size, val);
2281 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2282 || ((env->def->features & CPU_FEATURE_HYPV)
2283 && asi >= 0x30 && asi < 0x80
2284 && !(env->hpstate & HS_PRIV)))
2285 raise_exception(TT_PRIV_ACT);
2287 helper_check_align(addr, size - 1);
2288 /* Convert to little endian */
2290 case 0x0c: // Nucleus Little Endian (LE)
2291 case 0x18: // As if user primary LE
2292 case 0x19: // As if user secondary LE
2293 case 0x1c: // Bypass LE
2294 case 0x1d: // Bypass, non-cacheable LE
2295 case 0x88: // Primary LE
2296 case 0x89: // Secondary LE
2299 addr = bswap16(addr);
2302 addr = bswap32(addr);
2305 addr = bswap64(addr);
2315 case 0x10: // As if user primary
2316 case 0x18: // As if user primary LE
2317 case 0x80: // Primary
2318 case 0x88: // Primary LE
2319 case 0xe2: // UA2007 Primary block init
2320 case 0xe3: // UA2007 Secondary block init
2321 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
2322 if ((env->def->features & CPU_FEATURE_HYPV)
2323 && env->hpstate & HS_PRIV) {
2326 stb_hypv(addr, val);
2329 stw_hypv(addr, val);
2332 stl_hypv(addr, val);
2336 stq_hypv(addr, val);
2342 stb_kernel(addr, val);
2345 stw_kernel(addr, val);
2348 stl_kernel(addr, val);
2352 stq_kernel(addr, val);
2359 stb_user(addr, val);
2362 stw_user(addr, val);
2365 stl_user(addr, val);
2369 stq_user(addr, val);
2374 case 0x14: // Bypass
2375 case 0x15: // Bypass, non-cacheable
2376 case 0x1c: // Bypass LE
2377 case 0x1d: // Bypass, non-cacheable LE
2381 stb_phys(addr, val);
2384 stw_phys(addr, val);
2387 stl_phys(addr, val);
2391 stq_phys(addr, val);
2396 case 0x24: // Nucleus quad LDD 128 bit atomic
2397 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2398 // Only ldda allowed
2399 raise_exception(TT_ILL_INSN);
2401 case 0x04: // Nucleus
2402 case 0x0c: // Nucleus Little Endian (LE)
2403 case 0x11: // As if user secondary
2404 case 0x19: // As if user secondary LE
2405 case 0x4a: // UPA config
2406 case 0x81: // Secondary
2407 case 0x89: // Secondary LE
2415 env->lsu = val & (DMMU_E | IMMU_E);
2416 // Mappings generated during D/I MMU disabled mode are
2417 // invalid in normal mode
2418 if (oldreg != env->lsu) {
2419 DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n",
2428 case 0x50: // I-MMU regs
2430 int reg = (addr >> 3) & 0xf;
2433 oldreg = env->immuregs[reg];
2438 case 1: // Not in I-MMU
2445 val = 0; // Clear SFSR
2447 case 5: // TSB access
2448 case 6: // Tag access
2452 env->immuregs[reg] = val;
2453 if (oldreg != env->immuregs[reg]) {
2454 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
2455 PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
2462 case 0x54: // I-MMU data in
2466 // Try finding an invalid entry
2467 for (i = 0; i < 64; i++) {
2468 if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) {
2469 env->itlb_tag[i] = env->immuregs[6];
2470 env->itlb_tte[i] = val;
2474 // Try finding an unlocked entry
2475 for (i = 0; i < 64; i++) {
2476 if ((env->itlb_tte[i] & 0x40) == 0) {
2477 env->itlb_tag[i] = env->immuregs[6];
2478 env->itlb_tte[i] = val;
2485 case 0x55: // I-MMU data access
2489 unsigned int i = (addr >> 3) & 0x3f;
2491 env->itlb_tag[i] = env->immuregs[6];
2492 env->itlb_tte[i] = val;
2495 case 0x57: // I-MMU demap
2499 for (i = 0; i < 64; i++) {
2500 if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0) {
2501 target_ulong mask = 0xffffffffffffe000ULL;
2503 mask <<= 3 * ((env->itlb_tte[i] >> 61) & 3);
2504 if ((val & mask) == (env->itlb_tag[i] & mask)) {
2505 env->itlb_tag[i] = 0;
2506 env->itlb_tte[i] = 0;
2513 case 0x58: // D-MMU regs
2515 int reg = (addr >> 3) & 0xf;
2518 oldreg = env->dmmuregs[reg];
2524 if ((val & 1) == 0) {
2525 val = 0; // Clear SFSR, Fault address
2526 env->dmmuregs[4] = 0;
2528 env->dmmuregs[reg] = val;
2530 case 1: // Primary context
2531 case 2: // Secondary context
2532 case 5: // TSB access
2533 case 6: // Tag access
2534 case 7: // Virtual Watchpoint
2535 case 8: // Physical Watchpoint
2539 env->dmmuregs[reg] = val;
2540 if (oldreg != env->dmmuregs[reg]) {
2541 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
2542 PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
2549 case 0x5c: // D-MMU data in
2553 // Try finding an invalid entry
2554 for (i = 0; i < 64; i++) {
2555 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) {
2556 env->dtlb_tag[i] = env->dmmuregs[6];
2557 env->dtlb_tte[i] = val;
2561 // Try finding an unlocked entry
2562 for (i = 0; i < 64; i++) {
2563 if ((env->dtlb_tte[i] & 0x40) == 0) {
2564 env->dtlb_tag[i] = env->dmmuregs[6];
2565 env->dtlb_tte[i] = val;
2572 case 0x5d: // D-MMU data access
2574 unsigned int i = (addr >> 3) & 0x3f;
2576 env->dtlb_tag[i] = env->dmmuregs[6];
2577 env->dtlb_tte[i] = val;
2580 case 0x5f: // D-MMU demap
2584 for (i = 0; i < 64; i++) {
2585 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0) {
2586 target_ulong mask = 0xffffffffffffe000ULL;
2588 mask <<= 3 * ((env->dtlb_tte[i] >> 61) & 3);
2589 if ((val & mask) == (env->dtlb_tag[i] & mask)) {
2590 env->dtlb_tag[i] = 0;
2591 env->dtlb_tte[i] = 0;
2598 case 0x49: // Interrupt data receive
2601 case 0x46: // D-cache data
2602 case 0x47: // D-cache tag access
2603 case 0x4b: // E-cache error enable
2604 case 0x4c: // E-cache asynchronous fault status
2605 case 0x4d: // E-cache asynchronous fault address
2606 case 0x4e: // E-cache tag data
2607 case 0x66: // I-cache instruction access
2608 case 0x67: // I-cache tag access
2609 case 0x6e: // I-cache predecode
2610 case 0x6f: // I-cache LRU etc.
2611 case 0x76: // E-cache tag
2612 case 0x7e: // E-cache tag
2614 case 0x51: // I-MMU 8k TSB pointer, RO
2615 case 0x52: // I-MMU 64k TSB pointer, RO
2616 case 0x56: // I-MMU tag read, RO
2617 case 0x59: // D-MMU 8k TSB pointer, RO
2618 case 0x5a: // D-MMU 64k TSB pointer, RO
2619 case 0x5b: // D-MMU data pointer, RO
2620 case 0x5e: // D-MMU tag read, RO
2621 case 0x48: // Interrupt dispatch, RO
2622 case 0x7f: // Incoming interrupt vector, RO
2623 case 0x82: // Primary no-fault, RO
2624 case 0x83: // Secondary no-fault, RO
2625 case 0x8a: // Primary no-fault LE, RO
2626 case 0x8b: // Secondary no-fault LE, RO
2628 do_unassigned_access(addr, 1, 0, 1, size);
2632 #endif /* CONFIG_USER_ONLY */
2634 void helper_ldda_asi(target_ulong addr, int asi, int rd)
2636 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2637 || ((env->def->features & CPU_FEATURE_HYPV)
2638 && asi >= 0x30 && asi < 0x80
2639 && !(env->hpstate & HS_PRIV)))
2640 raise_exception(TT_PRIV_ACT);
2643 case 0x24: // Nucleus quad LDD 128 bit atomic
2644 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2645 helper_check_align(addr, 0xf);
2647 env->gregs[1] = ldq_kernel(addr + 8);
2649 bswap64s(&env->gregs[1]);
2650 } else if (rd < 8) {
2651 env->gregs[rd] = ldq_kernel(addr);
2652 env->gregs[rd + 1] = ldq_kernel(addr + 8);
2654 bswap64s(&env->gregs[rd]);
2655 bswap64s(&env->gregs[rd + 1]);
2658 env->regwptr[rd] = ldq_kernel(addr);
2659 env->regwptr[rd + 1] = ldq_kernel(addr + 8);
2661 bswap64s(&env->regwptr[rd]);
2662 bswap64s(&env->regwptr[rd + 1]);
2667 helper_check_align(addr, 0x3);
2669 env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0);
2671 env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0);
2672 env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2674 env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0);
2675 env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2681 void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
2686 helper_check_align(addr, 3);
2688 case 0xf0: // Block load primary
2689 case 0xf1: // Block load secondary
2690 case 0xf8: // Block load primary LE
2691 case 0xf9: // Block load secondary LE
2693 raise_exception(TT_ILL_INSN);
2696 helper_check_align(addr, 0x3f);
2697 for (i = 0; i < 16; i++) {
2698 *(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4,
2708 val = helper_ld_asi(addr, asi, size, 0);
2712 *((uint32_t *)&env->fpr[rd]) = val;
2715 *((int64_t *)&DT0) = val;
2723 void helper_stf_asi(target_ulong addr, int asi, int size, int rd)
2726 target_ulong val = 0;
2728 helper_check_align(addr, 3);
2730 case 0xe0: // UA2007 Block commit store primary (cache flush)
2731 case 0xe1: // UA2007 Block commit store secondary (cache flush)
2732 case 0xf0: // Block store primary
2733 case 0xf1: // Block store secondary
2734 case 0xf8: // Block store primary LE
2735 case 0xf9: // Block store secondary LE
2737 raise_exception(TT_ILL_INSN);
2740 helper_check_align(addr, 0x3f);
2741 for (i = 0; i < 16; i++) {
2742 val = *(uint32_t *)&env->fpr[rd++];
2743 helper_st_asi(addr, val, asi & 0x8f, 4);
2755 val = *((uint32_t *)&env->fpr[rd]);
2758 val = *((int64_t *)&DT0);
2764 helper_st_asi(addr, val, asi, size);
2767 target_ulong helper_cas_asi(target_ulong addr, target_ulong val1,
2768 target_ulong val2, uint32_t asi)
2772 val2 &= 0xffffffffUL;
2773 ret = helper_ld_asi(addr, asi, 4, 0);
2774 ret &= 0xffffffffUL;
2776 helper_st_asi(addr, val1 & 0xffffffffUL, asi, 4);
2780 target_ulong helper_casx_asi(target_ulong addr, target_ulong val1,
2781 target_ulong val2, uint32_t asi)
2785 ret = helper_ld_asi(addr, asi, 8, 0);
2787 helper_st_asi(addr, val1, asi, 8);
2790 #endif /* TARGET_SPARC64 */
2792 #ifndef TARGET_SPARC64
2793 void helper_rett(void)
2797 if (env->psret == 1)
2798 raise_exception(TT_ILL_INSN);
2801 cwp = cpu_cwp_inc(env, env->cwp + 1) ;
2802 if (env->wim & (1 << cwp)) {
2803 raise_exception(TT_WIN_UNF);
2806 env->psrs = env->psrps;
2810 target_ulong helper_udiv(target_ulong a, target_ulong b)
2815 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2819 raise_exception(TT_DIV_ZERO);
2823 if (x0 > 0xffffffff) {
2832 target_ulong helper_sdiv(target_ulong a, target_ulong b)
2837 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2841 raise_exception(TT_DIV_ZERO);
2845 if ((int32_t) x0 != x0) {
2847 return x0 < 0? 0x80000000: 0x7fffffff;
2854 void helper_stdf(target_ulong addr, int mem_idx)
2856 helper_check_align(addr, 7);
2857 #if !defined(CONFIG_USER_ONLY)
2860 stfq_user(addr, DT0);
2863 stfq_kernel(addr, DT0);
2865 #ifdef TARGET_SPARC64
2867 stfq_hypv(addr, DT0);
2874 address_mask(env, &addr);
2875 stfq_raw(addr, DT0);
2879 void helper_lddf(target_ulong addr, int mem_idx)
2881 helper_check_align(addr, 7);
2882 #if !defined(CONFIG_USER_ONLY)
2885 DT0 = ldfq_user(addr);
2888 DT0 = ldfq_kernel(addr);
2890 #ifdef TARGET_SPARC64
2892 DT0 = ldfq_hypv(addr);
2899 address_mask(env, &addr);
2900 DT0 = ldfq_raw(addr);
2904 void helper_ldqf(target_ulong addr, int mem_idx)
2906 // XXX add 128 bit load
2909 helper_check_align(addr, 7);
2910 #if !defined(CONFIG_USER_ONLY)
2913 u.ll.upper = ldq_user(addr);
2914 u.ll.lower = ldq_user(addr + 8);
2918 u.ll.upper = ldq_kernel(addr);
2919 u.ll.lower = ldq_kernel(addr + 8);
2922 #ifdef TARGET_SPARC64
2924 u.ll.upper = ldq_hypv(addr);
2925 u.ll.lower = ldq_hypv(addr + 8);
2933 address_mask(env, &addr);
2934 u.ll.upper = ldq_raw(addr);
2935 u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL);
2940 void helper_stqf(target_ulong addr, int mem_idx)
2942 // XXX add 128 bit store
2945 helper_check_align(addr, 7);
2946 #if !defined(CONFIG_USER_ONLY)
2950 stq_user(addr, u.ll.upper);
2951 stq_user(addr + 8, u.ll.lower);
2955 stq_kernel(addr, u.ll.upper);
2956 stq_kernel(addr + 8, u.ll.lower);
2958 #ifdef TARGET_SPARC64
2961 stq_hypv(addr, u.ll.upper);
2962 stq_hypv(addr + 8, u.ll.lower);
2970 address_mask(env, &addr);
2971 stq_raw(addr, u.ll.upper);
2972 stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower);
2976 static inline void set_fsr(void)
2980 switch (env->fsr & FSR_RD_MASK) {
2981 case FSR_RD_NEAREST:
2982 rnd_mode = float_round_nearest_even;
2986 rnd_mode = float_round_to_zero;
2989 rnd_mode = float_round_up;
2992 rnd_mode = float_round_down;
2995 set_float_rounding_mode(rnd_mode, &env->fp_status);
2998 void helper_ldfsr(uint32_t new_fsr)
3000 env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK);
3004 #ifdef TARGET_SPARC64
3005 void helper_ldxfsr(uint64_t new_fsr)
3007 env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK);
3012 void helper_debug(void)
3014 env->exception_index = EXCP_DEBUG;
3018 #ifndef TARGET_SPARC64
3019 /* XXX: use another pointer for %iN registers to avoid slow wrapping
3021 void helper_save(void)
3025 cwp = cpu_cwp_dec(env, env->cwp - 1);
3026 if (env->wim & (1 << cwp)) {
3027 raise_exception(TT_WIN_OVF);
3032 void helper_restore(void)
3036 cwp = cpu_cwp_inc(env, env->cwp + 1);
3037 if (env->wim & (1 << cwp)) {
3038 raise_exception(TT_WIN_UNF);
3043 void helper_wrpsr(target_ulong new_psr)
3045 if ((new_psr & PSR_CWP) >= env->nwindows)
3046 raise_exception(TT_ILL_INSN);
3048 PUT_PSR(env, new_psr);
3051 target_ulong helper_rdpsr(void)
3053 return GET_PSR(env);
3057 /* XXX: use another pointer for %iN registers to avoid slow wrapping
3059 void helper_save(void)
3063 cwp = cpu_cwp_dec(env, env->cwp - 1);
3064 if (env->cansave == 0) {
3065 raise_exception(TT_SPILL | (env->otherwin != 0 ?
3066 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
3067 ((env->wstate & 0x7) << 2)));
3069 if (env->cleanwin - env->canrestore == 0) {
3070 // XXX Clean windows without trap
3071 raise_exception(TT_CLRWIN);
3080 void helper_restore(void)
3084 cwp = cpu_cwp_inc(env, env->cwp + 1);
3085 if (env->canrestore == 0) {
3086 raise_exception(TT_FILL | (env->otherwin != 0 ?
3087 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
3088 ((env->wstate & 0x7) << 2)));
3096 void helper_flushw(void)
3098 if (env->cansave != env->nwindows - 2) {
3099 raise_exception(TT_SPILL | (env->otherwin != 0 ?
3100 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
3101 ((env->wstate & 0x7) << 2)));
3105 void helper_saved(void)
3108 if (env->otherwin == 0)
3114 void helper_restored(void)
3117 if (env->cleanwin < env->nwindows - 1)
3119 if (env->otherwin == 0)
3125 target_ulong helper_rdccr(void)
3127 return GET_CCR(env);
3130 void helper_wrccr(target_ulong new_ccr)
3132 PUT_CCR(env, new_ccr);
3135 // CWP handling is reversed in V9, but we still use the V8 register
3137 target_ulong helper_rdcwp(void)
3139 return GET_CWP64(env);
3142 void helper_wrcwp(target_ulong new_cwp)
3144 PUT_CWP64(env, new_cwp);
3147 // This function uses non-native bit order
3148 #define GET_FIELD(X, FROM, TO) \
3149 ((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
3151 // This function uses the order in the manuals, i.e. bit 0 is 2^0
3152 #define GET_FIELD_SP(X, FROM, TO) \
3153 GET_FIELD(X, 63 - (TO), 63 - (FROM))
3155 target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
3157 return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
3158 (GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
3159 (GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
3160 (GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
3161 (GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
3162 (GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
3163 (((pixel_addr >> 55) & 1) << 4) |
3164 (GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
3165 GET_FIELD_SP(pixel_addr, 11, 12);
3168 target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
3172 tmp = addr + offset;
3174 env->gsr |= tmp & 7ULL;
3178 target_ulong helper_popc(target_ulong val)
3180 return ctpop64(val);
3183 static inline uint64_t *get_gregset(uint64_t pstate)
3198 static inline void change_pstate(uint64_t new_pstate)
3200 uint64_t pstate_regs, new_pstate_regs;
3201 uint64_t *src, *dst;
3203 pstate_regs = env->pstate & 0xc01;
3204 new_pstate_regs = new_pstate & 0xc01;
3205 if (new_pstate_regs != pstate_regs) {
3206 // Switch global register bank
3207 src = get_gregset(new_pstate_regs);
3208 dst = get_gregset(pstate_regs);
3209 memcpy32(dst, env->gregs);
3210 memcpy32(env->gregs, src);
3212 env->pstate = new_pstate;
3215 void helper_wrpstate(target_ulong new_state)
3217 if (!(env->def->features & CPU_FEATURE_GL))
3218 change_pstate(new_state & 0xf3f);
3221 void helper_done(void)
3223 env->pc = env->tsptr->tpc;
3224 env->npc = env->tsptr->tnpc + 4;
3225 PUT_CCR(env, env->tsptr->tstate >> 32);
3226 env->asi = (env->tsptr->tstate >> 24) & 0xff;
3227 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
3228 PUT_CWP64(env, env->tsptr->tstate & 0xff);
3230 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
3233 void helper_retry(void)
3235 env->pc = env->tsptr->tpc;
3236 env->npc = env->tsptr->tnpc;
3237 PUT_CCR(env, env->tsptr->tstate >> 32);
3238 env->asi = (env->tsptr->tstate >> 24) & 0xff;
3239 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
3240 PUT_CWP64(env, env->tsptr->tstate & 0xff);
3242 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
3245 void helper_set_softint(uint64_t value)
3247 env->softint |= (uint32_t)value;
3250 void helper_clear_softint(uint64_t value)
3252 env->softint &= (uint32_t)~value;
3255 void helper_write_softint(uint64_t value)
3257 env->softint = (uint32_t)value;
3261 void helper_flush(target_ulong addr)
3264 tb_invalidate_page_range(addr, addr + 8);
3267 #ifdef TARGET_SPARC64
3269 static const char * const excp_names[0x80] = {
3270 [TT_TFAULT] = "Instruction Access Fault",
3271 [TT_TMISS] = "Instruction Access MMU Miss",
3272 [TT_CODE_ACCESS] = "Instruction Access Error",
3273 [TT_ILL_INSN] = "Illegal Instruction",
3274 [TT_PRIV_INSN] = "Privileged Instruction",
3275 [TT_NFPU_INSN] = "FPU Disabled",
3276 [TT_FP_EXCP] = "FPU Exception",
3277 [TT_TOVF] = "Tag Overflow",
3278 [TT_CLRWIN] = "Clean Windows",
3279 [TT_DIV_ZERO] = "Division By Zero",
3280 [TT_DFAULT] = "Data Access Fault",
3281 [TT_DMISS] = "Data Access MMU Miss",
3282 [TT_DATA_ACCESS] = "Data Access Error",
3283 [TT_DPROT] = "Data Protection Error",
3284 [TT_UNALIGNED] = "Unaligned Memory Access",
3285 [TT_PRIV_ACT] = "Privileged Action",
3286 [TT_EXTINT | 0x1] = "External Interrupt 1",
3287 [TT_EXTINT | 0x2] = "External Interrupt 2",
3288 [TT_EXTINT | 0x3] = "External Interrupt 3",
3289 [TT_EXTINT | 0x4] = "External Interrupt 4",
3290 [TT_EXTINT | 0x5] = "External Interrupt 5",
3291 [TT_EXTINT | 0x6] = "External Interrupt 6",
3292 [TT_EXTINT | 0x7] = "External Interrupt 7",
3293 [TT_EXTINT | 0x8] = "External Interrupt 8",
3294 [TT_EXTINT | 0x9] = "External Interrupt 9",
3295 [TT_EXTINT | 0xa] = "External Interrupt 10",
3296 [TT_EXTINT | 0xb] = "External Interrupt 11",
3297 [TT_EXTINT | 0xc] = "External Interrupt 12",
3298 [TT_EXTINT | 0xd] = "External Interrupt 13",
3299 [TT_EXTINT | 0xe] = "External Interrupt 14",
3300 [TT_EXTINT | 0xf] = "External Interrupt 15",
3304 void do_interrupt(CPUState *env)
3306 int intno = env->exception_index;
3309 if (qemu_loglevel_mask(CPU_LOG_INT)) {
3313 if (intno < 0 || intno >= 0x180)
3315 else if (intno >= 0x100)
3316 name = "Trap Instruction";
3317 else if (intno >= 0xc0)
3318 name = "Window Fill";
3319 else if (intno >= 0x80)
3320 name = "Window Spill";
3322 name = excp_names[intno];
3327 qemu_log("%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
3328 " SP=%016" PRIx64 "\n",
3331 env->npc, env->regwptr[6]);
3332 log_cpu_state(env, 0);
3339 ptr = (uint8_t *)env->pc;
3340 for(i = 0; i < 16; i++) {
3341 qemu_log(" %02x", ldub(ptr + i));
3349 #if !defined(CONFIG_USER_ONLY)
3350 if (env->tl >= env->maxtl) {
3351 cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
3352 " Error state", env->exception_index, env->tl, env->maxtl);
3356 if (env->tl < env->maxtl - 1) {
3359 env->pstate |= PS_RED;
3360 if (env->tl < env->maxtl)
3363 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
3364 env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
3365 ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
3367 env->tsptr->tpc = env->pc;
3368 env->tsptr->tnpc = env->npc;
3369 env->tsptr->tt = intno;
3370 if (!(env->def->features & CPU_FEATURE_GL)) {
3373 change_pstate(PS_PEF | PS_PRIV | PS_IG);
3380 change_pstate(PS_PEF | PS_PRIV | PS_MG);
3383 change_pstate(PS_PEF | PS_PRIV | PS_AG);
3387 if (intno == TT_CLRWIN)
3388 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
3389 else if ((intno & 0x1c0) == TT_SPILL)
3390 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
3391 else if ((intno & 0x1c0) == TT_FILL)
3392 cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
3393 env->tbr &= ~0x7fffULL;
3394 env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
3396 env->npc = env->pc + 4;
3397 env->exception_index = 0;
3401 static const char * const excp_names[0x80] = {
3402 [TT_TFAULT] = "Instruction Access Fault",
3403 [TT_ILL_INSN] = "Illegal Instruction",
3404 [TT_PRIV_INSN] = "Privileged Instruction",
3405 [TT_NFPU_INSN] = "FPU Disabled",
3406 [TT_WIN_OVF] = "Window Overflow",
3407 [TT_WIN_UNF] = "Window Underflow",
3408 [TT_UNALIGNED] = "Unaligned Memory Access",
3409 [TT_FP_EXCP] = "FPU Exception",
3410 [TT_DFAULT] = "Data Access Fault",
3411 [TT_TOVF] = "Tag Overflow",
3412 [TT_EXTINT | 0x1] = "External Interrupt 1",
3413 [TT_EXTINT | 0x2] = "External Interrupt 2",
3414 [TT_EXTINT | 0x3] = "External Interrupt 3",
3415 [TT_EXTINT | 0x4] = "External Interrupt 4",
3416 [TT_EXTINT | 0x5] = "External Interrupt 5",
3417 [TT_EXTINT | 0x6] = "External Interrupt 6",
3418 [TT_EXTINT | 0x7] = "External Interrupt 7",
3419 [TT_EXTINT | 0x8] = "External Interrupt 8",
3420 [TT_EXTINT | 0x9] = "External Interrupt 9",
3421 [TT_EXTINT | 0xa] = "External Interrupt 10",
3422 [TT_EXTINT | 0xb] = "External Interrupt 11",
3423 [TT_EXTINT | 0xc] = "External Interrupt 12",
3424 [TT_EXTINT | 0xd] = "External Interrupt 13",
3425 [TT_EXTINT | 0xe] = "External Interrupt 14",
3426 [TT_EXTINT | 0xf] = "External Interrupt 15",
3427 [TT_TOVF] = "Tag Overflow",
3428 [TT_CODE_ACCESS] = "Instruction Access Error",
3429 [TT_DATA_ACCESS] = "Data Access Error",
3430 [TT_DIV_ZERO] = "Division By Zero",
3431 [TT_NCP_INSN] = "Coprocessor Disabled",
3435 void do_interrupt(CPUState *env)
3437 int cwp, intno = env->exception_index;
3440 if (qemu_loglevel_mask(CPU_LOG_INT)) {
3444 if (intno < 0 || intno >= 0x100)
3446 else if (intno >= 0x80)
3447 name = "Trap Instruction";
3449 name = excp_names[intno];
3454 qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
3457 env->npc, env->regwptr[6]);
3458 log_cpu_state(env, 0);
3465 ptr = (uint8_t *)env->pc;
3466 for(i = 0; i < 16; i++) {
3467 qemu_log(" %02x", ldub(ptr + i));
3475 #if !defined(CONFIG_USER_ONLY)
3476 if (env->psret == 0) {
3477 cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
3478 env->exception_index);
3483 cwp = cpu_cwp_dec(env, env->cwp - 1);
3484 cpu_set_cwp(env, cwp);
3485 env->regwptr[9] = env->pc;
3486 env->regwptr[10] = env->npc;
3487 env->psrps = env->psrs;
3489 env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
3491 env->npc = env->pc + 4;
3492 env->exception_index = 0;
3496 #if !defined(CONFIG_USER_ONLY)
3498 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
3501 #define MMUSUFFIX _mmu
3502 #define ALIGNED_ONLY
3505 #include "softmmu_template.h"
3508 #include "softmmu_template.h"
3511 #include "softmmu_template.h"
3514 #include "softmmu_template.h"
3516 /* XXX: make it generic ? */
3517 static void cpu_restore_state2(void *retaddr)
3519 TranslationBlock *tb;
3523 /* now we have a real cpu fault */
3524 pc = (unsigned long)retaddr;
3525 tb = tb_find_pc(pc);
3527 /* the PC is inside the translated code. It means that we have
3528 a virtual CPU fault */
3529 cpu_restore_state(tb, env, pc, (void *)(long)env->cond);
3534 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
3537 #ifdef DEBUG_UNALIGNED
3538 printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
3539 "\n", addr, env->pc);
3541 cpu_restore_state2(retaddr);
3542 raise_exception(TT_UNALIGNED);
3545 /* try to fill the TLB and return an exception if error. If retaddr is
3546 NULL, it means that the function was called in C code (i.e. not
3547 from generated code or from helper.c) */
3548 /* XXX: fix it to restore all registers */
3549 void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
3552 CPUState *saved_env;
3554 /* XXX: hack to restore env in all cases, even if not called from
3557 env = cpu_single_env;
3559 ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
3561 cpu_restore_state2(retaddr);
3569 #ifndef TARGET_SPARC64
3570 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3571 int is_asi, int size)
3573 CPUState *saved_env;
3575 /* XXX: hack to restore env in all cases, even if not called from
3578 env = cpu_single_env;
3579 #ifdef DEBUG_UNASSIGNED
3581 printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
3582 " asi 0x%02x from " TARGET_FMT_lx "\n",
3583 is_exec ? "exec" : is_write ? "write" : "read", size,
3584 size == 1 ? "" : "s", addr, is_asi, env->pc);
3586 printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
3587 " from " TARGET_FMT_lx "\n",
3588 is_exec ? "exec" : is_write ? "write" : "read", size,
3589 size == 1 ? "" : "s", addr, env->pc);
3591 if (env->mmuregs[3]) /* Fault status register */
3592 env->mmuregs[3] = 1; /* overflow (not read before another fault) */
3594 env->mmuregs[3] |= 1 << 16;
3596 env->mmuregs[3] |= 1 << 5;
3598 env->mmuregs[3] |= 1 << 6;
3600 env->mmuregs[3] |= 1 << 7;
3601 env->mmuregs[3] |= (5 << 2) | 2;
3602 env->mmuregs[4] = addr; /* Fault address register */
3603 if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) {
3605 raise_exception(TT_CODE_ACCESS);
3607 raise_exception(TT_DATA_ACCESS);
3612 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3613 int is_asi, int size)
3615 #ifdef DEBUG_UNASSIGNED
3616 CPUState *saved_env;
3618 /* XXX: hack to restore env in all cases, even if not called from
3621 env = cpu_single_env;
3622 printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx
3623 "\n", addr, env->pc);
3627 raise_exception(TT_CODE_ACCESS);
3629 raise_exception(TT_DATA_ACCESS);
3633 #ifdef TARGET_SPARC64
3634 void helper_tick_set_count(void *opaque, uint64_t count)
3636 #if !defined(CONFIG_USER_ONLY)
3637 cpu_tick_set_count(opaque, count);
3641 uint64_t helper_tick_get_count(void *opaque)
3643 #if !defined(CONFIG_USER_ONLY)
3644 return cpu_tick_get_count(opaque);
3650 void helper_tick_set_limit(void *opaque, uint64_t limit)
3652 #if !defined(CONFIG_USER_ONLY)
3653 cpu_tick_set_limit(opaque, limit);