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
15 #define DPRINTF_MMU(fmt, args...) \
16 do { printf("MMU: " fmt , ##args); } while (0)
18 #define DPRINTF_MMU(fmt, args...) do {} while (0)
22 #define DPRINTF_MXCC(fmt, args...) \
23 do { printf("MXCC: " fmt , ##args); } while (0)
25 #define DPRINTF_MXCC(fmt, args...) do {} while (0)
29 #define DPRINTF_ASI(fmt, args...) \
30 do { printf("ASI: " fmt , ##args); } while (0)
32 #define DPRINTF_ASI(fmt, args...) do {} while (0)
36 #define ABI32_MASK(addr) do { (addr) &= 0xffffffffULL; } while (0)
38 #define ABI32_MASK(addr) do {} while (0)
41 void raise_exception(int tt)
43 env->exception_index = tt;
47 void helper_trap(target_ulong nb_trap)
49 env->exception_index = TT_TRAP + (nb_trap & 0x7f);
53 void helper_trapcc(target_ulong nb_trap, target_ulong do_trap)
56 env->exception_index = TT_TRAP + (nb_trap & 0x7f);
61 void helper_check_align(target_ulong addr, uint32_t align)
64 #ifdef DEBUG_UNALIGNED
65 printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
68 raise_exception(TT_UNALIGNED);
72 #define F_HELPER(name, p) void helper_f##name##p(void)
74 #define F_BINOP(name) \
77 FT0 = float32_ ## name (FT0, FT1, &env->fp_status); \
81 DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \
85 QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \
94 void helper_fsmuld(void)
96 DT0 = float64_mul(float32_to_float64(FT0, &env->fp_status),
97 float32_to_float64(FT1, &env->fp_status),
101 void helper_fdmulq(void)
103 QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status),
104 float64_to_float128(DT1, &env->fp_status),
110 FT0 = float32_chs(FT1);
113 #ifdef TARGET_SPARC64
116 DT0 = float64_chs(DT1);
121 QT0 = float128_chs(QT1);
125 /* Integer to float conversion. */
128 FT0 = int32_to_float32(*((int32_t *)&FT1), &env->fp_status);
133 DT0 = int32_to_float64(*((int32_t *)&FT1), &env->fp_status);
138 QT0 = int32_to_float128(*((int32_t *)&FT1), &env->fp_status);
141 #ifdef TARGET_SPARC64
144 FT0 = int64_to_float32(*((int64_t *)&DT1), &env->fp_status);
149 DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status);
154 QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status);
159 /* floating point conversion */
160 void helper_fdtos(void)
162 FT0 = float64_to_float32(DT1, &env->fp_status);
165 void helper_fstod(void)
167 DT0 = float32_to_float64(FT1, &env->fp_status);
170 void helper_fqtos(void)
172 FT0 = float128_to_float32(QT1, &env->fp_status);
175 void helper_fstoq(void)
177 QT0 = float32_to_float128(FT1, &env->fp_status);
180 void helper_fqtod(void)
182 DT0 = float128_to_float64(QT1, &env->fp_status);
185 void helper_fdtoq(void)
187 QT0 = float64_to_float128(DT1, &env->fp_status);
190 /* Float to integer conversion. */
191 void helper_fstoi(void)
193 *((int32_t *)&FT0) = float32_to_int32_round_to_zero(FT1, &env->fp_status);
196 void helper_fdtoi(void)
198 *((int32_t *)&FT0) = float64_to_int32_round_to_zero(DT1, &env->fp_status);
201 void helper_fqtoi(void)
203 *((int32_t *)&FT0) = float128_to_int32_round_to_zero(QT1, &env->fp_status);
206 #ifdef TARGET_SPARC64
207 void helper_fstox(void)
209 *((int64_t *)&DT0) = float32_to_int64_round_to_zero(FT1, &env->fp_status);
212 void helper_fdtox(void)
214 *((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status);
217 void helper_fqtox(void)
219 *((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status);
222 void helper_faligndata(void)
226 tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8);
227 tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8);
228 *((uint64_t *)&DT0) = tmp;
231 void helper_movl_FT0_0(void)
233 *((uint32_t *)&FT0) = 0;
236 void helper_movl_DT0_0(void)
238 *((uint64_t *)&DT0) = 0;
241 void helper_movl_FT0_1(void)
243 *((uint32_t *)&FT0) = 0xffffffff;
246 void helper_movl_DT0_1(void)
248 *((uint64_t *)&DT0) = 0xffffffffffffffffULL;
251 void helper_fnot(void)
253 *(uint64_t *)&DT0 = ~*(uint64_t *)&DT1;
256 void helper_fnots(void)
258 *(uint32_t *)&FT0 = ~*(uint32_t *)&FT1;
261 void helper_fnor(void)
263 *(uint64_t *)&DT0 = ~(*(uint64_t *)&DT0 | *(uint64_t *)&DT1);
266 void helper_fnors(void)
268 *(uint32_t *)&FT0 = ~(*(uint32_t *)&FT0 | *(uint32_t *)&FT1);
271 void helper_for(void)
273 *(uint64_t *)&DT0 |= *(uint64_t *)&DT1;
276 void helper_fors(void)
278 *(uint32_t *)&FT0 |= *(uint32_t *)&FT1;
281 void helper_fxor(void)
283 *(uint64_t *)&DT0 ^= *(uint64_t *)&DT1;
286 void helper_fxors(void)
288 *(uint32_t *)&FT0 ^= *(uint32_t *)&FT1;
291 void helper_fand(void)
293 *(uint64_t *)&DT0 &= *(uint64_t *)&DT1;
296 void helper_fands(void)
298 *(uint32_t *)&FT0 &= *(uint32_t *)&FT1;
301 void helper_fornot(void)
303 *(uint64_t *)&DT0 = *(uint64_t *)&DT0 | ~*(uint64_t *)&DT1;
306 void helper_fornots(void)
308 *(uint32_t *)&FT0 = *(uint32_t *)&FT0 | ~*(uint32_t *)&FT1;
311 void helper_fandnot(void)
313 *(uint64_t *)&DT0 = *(uint64_t *)&DT0 & ~*(uint64_t *)&DT1;
316 void helper_fandnots(void)
318 *(uint32_t *)&FT0 = *(uint32_t *)&FT0 & ~*(uint32_t *)&FT1;
321 void helper_fnand(void)
323 *(uint64_t *)&DT0 = ~(*(uint64_t *)&DT0 & *(uint64_t *)&DT1);
326 void helper_fnands(void)
328 *(uint32_t *)&FT0 = ~(*(uint32_t *)&FT0 & *(uint32_t *)&FT1);
331 void helper_fxnor(void)
333 *(uint64_t *)&DT0 ^= ~*(uint64_t *)&DT1;
336 void helper_fxnors(void)
338 *(uint32_t *)&FT0 ^= ~*(uint32_t *)&FT1;
341 #ifdef WORDS_BIGENDIAN
342 #define VIS_B64(n) b[7 - (n)]
343 #define VIS_W64(n) w[3 - (n)]
344 #define VIS_SW64(n) sw[3 - (n)]
345 #define VIS_L64(n) l[1 - (n)]
346 #define VIS_B32(n) b[3 - (n)]
347 #define VIS_W32(n) w[1 - (n)]
349 #define VIS_B64(n) b[n]
350 #define VIS_W64(n) w[n]
351 #define VIS_SW64(n) sw[n]
352 #define VIS_L64(n) l[n]
353 #define VIS_B32(n) b[n]
354 #define VIS_W32(n) w[n]
372 void helper_fpmerge(void)
379 // Reverse calculation order to handle overlap
380 d.VIS_B64(7) = s.VIS_B64(3);
381 d.VIS_B64(6) = d.VIS_B64(3);
382 d.VIS_B64(5) = s.VIS_B64(2);
383 d.VIS_B64(4) = d.VIS_B64(2);
384 d.VIS_B64(3) = s.VIS_B64(1);
385 d.VIS_B64(2) = d.VIS_B64(1);
386 d.VIS_B64(1) = s.VIS_B64(0);
387 //d.VIS_B64(0) = d.VIS_B64(0);
392 void helper_fmul8x16(void)
401 tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \
402 if ((tmp & 0xff) > 0x7f) \
404 d.VIS_W64(r) = tmp >> 8;
415 void helper_fmul8x16al(void)
424 tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \
425 if ((tmp & 0xff) > 0x7f) \
427 d.VIS_W64(r) = tmp >> 8;
438 void helper_fmul8x16au(void)
447 tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
448 if ((tmp & 0xff) > 0x7f) \
450 d.VIS_W64(r) = tmp >> 8;
461 void helper_fmul8sux16(void)
470 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
471 if ((tmp & 0xff) > 0x7f) \
473 d.VIS_W64(r) = tmp >> 8;
484 void helper_fmul8ulx16(void)
493 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
494 if ((tmp & 0xff) > 0x7f) \
496 d.VIS_W64(r) = tmp >> 8;
507 void helper_fmuld8sux16(void)
516 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
517 if ((tmp & 0xff) > 0x7f) \
521 // Reverse calculation order to handle overlap
529 void helper_fmuld8ulx16(void)
538 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
539 if ((tmp & 0xff) > 0x7f) \
543 // Reverse calculation order to handle overlap
551 void helper_fexpand(void)
556 s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
558 d.VIS_L64(0) = s.VIS_W32(0) << 4;
559 d.VIS_L64(1) = s.VIS_W32(1) << 4;
560 d.VIS_L64(2) = s.VIS_W32(2) << 4;
561 d.VIS_L64(3) = s.VIS_W32(3) << 4;
566 #define VIS_HELPER(name, F) \
567 void name##16(void) \
574 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \
575 d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \
576 d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \
577 d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \
582 void name##16s(void) \
589 d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \
590 d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \
595 void name##32(void) \
602 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \
603 d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \
608 void name##32s(void) \
620 #define FADD(a, b) ((a) + (b))
621 #define FSUB(a, b) ((a) - (b))
622 VIS_HELPER(helper_fpadd, FADD)
623 VIS_HELPER(helper_fpsub, FSUB)
625 #define VIS_CMPHELPER(name, F) \
626 void name##16(void) \
633 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0))? 1: 0; \
634 d.VIS_W64(0) |= F(d.VIS_W64(1), s.VIS_W64(1))? 2: 0; \
635 d.VIS_W64(0) |= F(d.VIS_W64(2), s.VIS_W64(2))? 4: 0; \
636 d.VIS_W64(0) |= F(d.VIS_W64(3), s.VIS_W64(3))? 8: 0; \
641 void name##32(void) \
648 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0))? 1: 0; \
649 d.VIS_L64(0) |= F(d.VIS_L64(1), s.VIS_L64(1))? 2: 0; \
654 #define FCMPGT(a, b) ((a) > (b))
655 #define FCMPEQ(a, b) ((a) == (b))
656 #define FCMPLE(a, b) ((a) <= (b))
657 #define FCMPNE(a, b) ((a) != (b))
659 VIS_CMPHELPER(helper_fcmpgt, FCMPGT)
660 VIS_CMPHELPER(helper_fcmpeq, FCMPEQ)
661 VIS_CMPHELPER(helper_fcmple, FCMPLE)
662 VIS_CMPHELPER(helper_fcmpne, FCMPNE)
665 void helper_check_ieee_exceptions(void)
669 status = get_float_exception_flags(&env->fp_status);
671 /* Copy IEEE 754 flags into FSR */
672 if (status & float_flag_invalid)
674 if (status & float_flag_overflow)
676 if (status & float_flag_underflow)
678 if (status & float_flag_divbyzero)
680 if (status & float_flag_inexact)
683 if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) {
684 /* Unmasked exception, generate a trap */
685 env->fsr |= FSR_FTT_IEEE_EXCP;
686 raise_exception(TT_FP_EXCP);
688 /* Accumulate exceptions */
689 env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5;
694 void helper_clear_float_exceptions(void)
696 set_float_exception_flags(0, &env->fp_status);
699 void helper_fabss(void)
701 FT0 = float32_abs(FT1);
704 #ifdef TARGET_SPARC64
705 void helper_fabsd(void)
707 DT0 = float64_abs(DT1);
710 void helper_fabsq(void)
712 QT0 = float128_abs(QT1);
716 void helper_fsqrts(void)
718 FT0 = float32_sqrt(FT1, &env->fp_status);
721 void helper_fsqrtd(void)
723 DT0 = float64_sqrt(DT1, &env->fp_status);
726 void helper_fsqrtq(void)
728 QT0 = float128_sqrt(QT1, &env->fp_status);
731 #define GEN_FCMP(name, size, reg1, reg2, FS, TRAP) \
732 void glue(helper_, name) (void) \
734 target_ulong new_fsr; \
736 env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
737 switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
738 case float_relation_unordered: \
739 new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \
740 if ((env->fsr & FSR_NVM) || TRAP) { \
741 env->fsr |= new_fsr; \
742 env->fsr |= FSR_NVC; \
743 env->fsr |= FSR_FTT_IEEE_EXCP; \
744 raise_exception(TT_FP_EXCP); \
746 env->fsr |= FSR_NVA; \
749 case float_relation_less: \
750 new_fsr = FSR_FCC0 << FS; \
752 case float_relation_greater: \
753 new_fsr = FSR_FCC1 << FS; \
759 env->fsr |= new_fsr; \
762 GEN_FCMP(fcmps, float32, FT0, FT1, 0, 0);
763 GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0);
765 GEN_FCMP(fcmpes, float32, FT0, FT1, 0, 1);
766 GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1);
768 GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0);
769 GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1);
771 #ifdef TARGET_SPARC64
772 GEN_FCMP(fcmps_fcc1, float32, FT0, FT1, 22, 0);
773 GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
774 GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
776 GEN_FCMP(fcmps_fcc2, float32, FT0, FT1, 24, 0);
777 GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
778 GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
780 GEN_FCMP(fcmps_fcc3, float32, FT0, FT1, 26, 0);
781 GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
782 GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
784 GEN_FCMP(fcmpes_fcc1, float32, FT0, FT1, 22, 1);
785 GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
786 GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
788 GEN_FCMP(fcmpes_fcc2, float32, FT0, FT1, 24, 1);
789 GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
790 GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
792 GEN_FCMP(fcmpes_fcc3, float32, FT0, FT1, 26, 1);
793 GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
794 GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
797 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
799 static void dump_mxcc(CPUState *env)
801 printf("mxccdata: %016llx %016llx %016llx %016llx\n",
802 env->mxccdata[0], env->mxccdata[1],
803 env->mxccdata[2], env->mxccdata[3]);
804 printf("mxccregs: %016llx %016llx %016llx %016llx\n"
805 " %016llx %016llx %016llx %016llx\n",
806 env->mxccregs[0], env->mxccregs[1],
807 env->mxccregs[2], env->mxccregs[3],
808 env->mxccregs[4], env->mxccregs[5],
809 env->mxccregs[6], env->mxccregs[7]);
813 #if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
814 && defined(DEBUG_ASI)
815 static void dump_asi(const char *txt, target_ulong addr, int asi, int size,
821 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt,
822 addr, asi, r1 & 0xff);
825 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt,
826 addr, asi, r1 & 0xffff);
829 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt,
830 addr, asi, r1 & 0xffffffff);
833 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt,
840 #ifndef TARGET_SPARC64
841 #ifndef CONFIG_USER_ONLY
842 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
845 #if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
846 uint32_t last_addr = addr;
849 helper_check_align(addr, size - 1);
851 case 2: /* SuperSparc MXCC registers */
853 case 0x01c00a00: /* MXCC control register */
855 ret = env->mxccregs[3];
857 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
860 case 0x01c00a04: /* MXCC control register */
862 ret = env->mxccregs[3];
864 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
867 case 0x01c00c00: /* Module reset register */
869 ret = env->mxccregs[5];
870 // should we do something here?
872 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
875 case 0x01c00f00: /* MBus port address register */
877 ret = env->mxccregs[7];
879 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
883 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
887 DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
888 "addr = %08x -> ret = %08x,"
889 "addr = %08x\n", asi, size, sign, last_addr, ret, addr);
894 case 3: /* MMU probe */
898 mmulev = (addr >> 8) & 15;
902 ret = mmu_probe(env, addr, mmulev);
903 DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n",
907 case 4: /* read MMU regs */
909 int reg = (addr >> 8) & 0x1f;
911 ret = env->mmuregs[reg];
912 if (reg == 3) /* Fault status cleared on read */
914 else if (reg == 0x13) /* Fault status read */
915 ret = env->mmuregs[3];
916 else if (reg == 0x14) /* Fault address read */
917 ret = env->mmuregs[4];
918 DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret);
921 case 5: // Turbosparc ITLB Diagnostic
922 case 6: // Turbosparc DTLB Diagnostic
923 case 7: // Turbosparc IOTLB Diagnostic
925 case 9: /* Supervisor code access */
928 ret = ldub_code(addr);
931 ret = lduw_code(addr);
935 ret = ldl_code(addr);
938 ret = ldq_code(addr);
942 case 0xa: /* User data access */
945 ret = ldub_user(addr);
948 ret = lduw_user(addr);
952 ret = ldl_user(addr);
955 ret = ldq_user(addr);
959 case 0xb: /* Supervisor data access */
962 ret = ldub_kernel(addr);
965 ret = lduw_kernel(addr);
969 ret = ldl_kernel(addr);
972 ret = ldq_kernel(addr);
976 case 0xc: /* I-cache tag */
977 case 0xd: /* I-cache data */
978 case 0xe: /* D-cache tag */
979 case 0xf: /* D-cache data */
981 case 0x20: /* MMU passthrough */
984 ret = ldub_phys(addr);
987 ret = lduw_phys(addr);
991 ret = ldl_phys(addr);
994 ret = ldq_phys(addr);
998 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1001 ret = ldub_phys((target_phys_addr_t)addr
1002 | ((target_phys_addr_t)(asi & 0xf) << 32));
1005 ret = lduw_phys((target_phys_addr_t)addr
1006 | ((target_phys_addr_t)(asi & 0xf) << 32));
1010 ret = ldl_phys((target_phys_addr_t)addr
1011 | ((target_phys_addr_t)(asi & 0xf) << 32));
1014 ret = ldq_phys((target_phys_addr_t)addr
1015 | ((target_phys_addr_t)(asi & 0xf) << 32));
1019 case 0x30: // Turbosparc secondary cache diagnostic
1020 case 0x31: // Turbosparc RAM snoop
1021 case 0x32: // Turbosparc page table descriptor diagnostic
1022 case 0x39: /* data cache diagnostic register */
1025 case 8: /* User code access, XXX */
1027 do_unassigned_access(addr, 0, 0, asi);
1037 ret = (int16_t) ret;
1040 ret = (int32_t) ret;
1047 dump_asi("read ", last_addr, asi, size, ret);
1052 void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size)
1054 helper_check_align(addr, size - 1);
1056 case 2: /* SuperSparc MXCC registers */
1058 case 0x01c00000: /* MXCC stream data register 0 */
1060 env->mxccdata[0] = val;
1062 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1065 case 0x01c00008: /* MXCC stream data register 1 */
1067 env->mxccdata[1] = val;
1069 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1072 case 0x01c00010: /* MXCC stream data register 2 */
1074 env->mxccdata[2] = val;
1076 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1079 case 0x01c00018: /* MXCC stream data register 3 */
1081 env->mxccdata[3] = val;
1083 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1086 case 0x01c00100: /* MXCC stream source */
1088 env->mxccregs[0] = val;
1090 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1092 env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1094 env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1096 env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1098 env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1101 case 0x01c00200: /* MXCC stream destination */
1103 env->mxccregs[1] = val;
1105 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1107 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0,
1109 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8,
1111 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16,
1113 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24,
1116 case 0x01c00a00: /* MXCC control register */
1118 env->mxccregs[3] = val;
1120 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1123 case 0x01c00a04: /* MXCC control register */
1125 env->mxccregs[3] = (env->mxccregs[0xa] & 0xffffffff00000000ULL)
1128 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1131 case 0x01c00e00: /* MXCC error register */
1132 // writing a 1 bit clears the error
1134 env->mxccregs[6] &= ~val;
1136 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1139 case 0x01c00f00: /* MBus port address register */
1141 env->mxccregs[7] = val;
1143 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1147 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1151 DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %08x\n", asi,
1157 case 3: /* MMU flush */
1161 mmulev = (addr >> 8) & 15;
1162 DPRINTF_MMU("mmu flush level %d\n", mmulev);
1164 case 0: // flush page
1165 tlb_flush_page(env, addr & 0xfffff000);
1167 case 1: // flush segment (256k)
1168 case 2: // flush region (16M)
1169 case 3: // flush context (4G)
1170 case 4: // flush entire
1181 case 4: /* write MMU regs */
1183 int reg = (addr >> 8) & 0x1f;
1186 oldreg = env->mmuregs[reg];
1188 case 0: // Control Register
1189 env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
1191 // Mappings generated during no-fault mode or MMU
1192 // disabled mode are invalid in normal mode
1193 if ((oldreg & (MMU_E | MMU_NF | env->mmu_bm)) !=
1194 (env->mmuregs[reg] & (MMU_E | MMU_NF | env->mmu_bm)))
1197 case 1: // Context Table Pointer Register
1198 env->mmuregs[reg] = val & env->mmu_ctpr_mask;
1200 case 2: // Context Register
1201 env->mmuregs[reg] = val & env->mmu_cxr_mask;
1202 if (oldreg != env->mmuregs[reg]) {
1203 /* we flush when the MMU context changes because
1204 QEMU has no MMU context support */
1208 case 3: // Synchronous Fault Status Register with Clear
1209 case 4: // Synchronous Fault Address Register
1211 case 0x10: // TLB Replacement Control Register
1212 env->mmuregs[reg] = val & env->mmu_trcr_mask;
1214 case 0x13: // Synchronous Fault Status Register with Read and Clear
1215 env->mmuregs[3] = val & env->mmu_sfsr_mask;
1217 case 0x14: // Synchronous Fault Address Register
1218 env->mmuregs[4] = val;
1221 env->mmuregs[reg] = val;
1224 if (oldreg != env->mmuregs[reg]) {
1225 DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
1226 reg, oldreg, env->mmuregs[reg]);
1233 case 5: // Turbosparc ITLB Diagnostic
1234 case 6: // Turbosparc DTLB Diagnostic
1235 case 7: // Turbosparc IOTLB Diagnostic
1237 case 0xa: /* User data access */
1240 stb_user(addr, val);
1243 stw_user(addr, val);
1247 stl_user(addr, val);
1250 stq_user(addr, val);
1254 case 0xb: /* Supervisor data access */
1257 stb_kernel(addr, val);
1260 stw_kernel(addr, val);
1264 stl_kernel(addr, val);
1267 stq_kernel(addr, val);
1271 case 0xc: /* I-cache tag */
1272 case 0xd: /* I-cache data */
1273 case 0xe: /* D-cache tag */
1274 case 0xf: /* D-cache data */
1275 case 0x10: /* I/D-cache flush page */
1276 case 0x11: /* I/D-cache flush segment */
1277 case 0x12: /* I/D-cache flush region */
1278 case 0x13: /* I/D-cache flush context */
1279 case 0x14: /* I/D-cache flush user */
1281 case 0x17: /* Block copy, sta access */
1287 uint32_t src = val & ~3, dst = addr & ~3, temp;
1289 for (i = 0; i < 32; i += 4, src += 4, dst += 4) {
1290 temp = ldl_kernel(src);
1291 stl_kernel(dst, temp);
1295 case 0x1f: /* Block fill, stda access */
1298 // fill 32 bytes with val
1300 uint32_t dst = addr & 7;
1302 for (i = 0; i < 32; i += 8, dst += 8)
1303 stq_kernel(dst, val);
1306 case 0x20: /* MMU passthrough */
1310 stb_phys(addr, val);
1313 stw_phys(addr, val);
1317 stl_phys(addr, val);
1320 stq_phys(addr, val);
1325 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1329 stb_phys((target_phys_addr_t)addr
1330 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1333 stw_phys((target_phys_addr_t)addr
1334 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1338 stl_phys((target_phys_addr_t)addr
1339 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1342 stq_phys((target_phys_addr_t)addr
1343 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1348 case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic
1349 case 0x31: // store buffer data, Ross RT620 I-cache flush or
1350 // Turbosparc snoop RAM
1351 case 0x32: // store buffer control or Turbosparc page table
1352 // descriptor diagnostic
1353 case 0x36: /* I-cache flash clear */
1354 case 0x37: /* D-cache flash clear */
1355 case 0x38: /* breakpoint diagnostics */
1356 case 0x4c: /* breakpoint action */
1358 case 8: /* User code access, XXX */
1359 case 9: /* Supervisor code access, XXX */
1361 do_unassigned_access(addr, 1, 0, asi);
1365 dump_asi("write", addr, asi, size, val);
1369 #endif /* CONFIG_USER_ONLY */
1370 #else /* TARGET_SPARC64 */
1372 #ifdef CONFIG_USER_ONLY
1373 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1376 #if defined(DEBUG_ASI)
1377 target_ulong last_addr = addr;
1381 raise_exception(TT_PRIV_ACT);
1383 helper_check_align(addr, size - 1);
1387 case 0x80: // Primary
1388 case 0x82: // Primary no-fault
1389 case 0x88: // Primary LE
1390 case 0x8a: // Primary no-fault LE
1394 ret = ldub_raw(addr);
1397 ret = lduw_raw(addr);
1400 ret = ldl_raw(addr);
1404 ret = ldq_raw(addr);
1409 case 0x81: // Secondary
1410 case 0x83: // Secondary no-fault
1411 case 0x89: // Secondary LE
1412 case 0x8b: // Secondary no-fault LE
1419 /* Convert from little endian */
1421 case 0x88: // Primary LE
1422 case 0x89: // Secondary LE
1423 case 0x8a: // Primary no-fault LE
1424 case 0x8b: // Secondary no-fault LE
1442 /* Convert to signed number */
1449 ret = (int16_t) ret;
1452 ret = (int32_t) ret;
1459 dump_asi("read ", last_addr, asi, size, ret);
1464 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1467 dump_asi("write", addr, asi, size, val);
1470 raise_exception(TT_PRIV_ACT);
1472 helper_check_align(addr, size - 1);
1475 /* Convert to little endian */
1477 case 0x88: // Primary LE
1478 case 0x89: // Secondary LE
1481 addr = bswap16(addr);
1484 addr = bswap32(addr);
1487 addr = bswap64(addr);
1497 case 0x80: // Primary
1498 case 0x88: // Primary LE
1517 case 0x81: // Secondary
1518 case 0x89: // Secondary LE
1522 case 0x82: // Primary no-fault, RO
1523 case 0x83: // Secondary no-fault, RO
1524 case 0x8a: // Primary no-fault LE, RO
1525 case 0x8b: // Secondary no-fault LE, RO
1527 do_unassigned_access(addr, 1, 0, 1);
1532 #else /* CONFIG_USER_ONLY */
1534 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1537 #if defined(DEBUG_ASI)
1538 target_ulong last_addr = addr;
1541 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1542 || (asi >= 0x30 && asi < 0x80 && !(env->hpstate & HS_PRIV)))
1543 raise_exception(TT_PRIV_ACT);
1545 helper_check_align(addr, size - 1);
1547 case 0x10: // As if user primary
1548 case 0x18: // As if user primary LE
1549 case 0x80: // Primary
1550 case 0x82: // Primary no-fault
1551 case 0x88: // Primary LE
1552 case 0x8a: // Primary no-fault LE
1553 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1554 if (env->hpstate & HS_PRIV) {
1557 ret = ldub_hypv(addr);
1560 ret = lduw_hypv(addr);
1563 ret = ldl_hypv(addr);
1567 ret = ldq_hypv(addr);
1573 ret = ldub_kernel(addr);
1576 ret = lduw_kernel(addr);
1579 ret = ldl_kernel(addr);
1583 ret = ldq_kernel(addr);
1590 ret = ldub_user(addr);
1593 ret = lduw_user(addr);
1596 ret = ldl_user(addr);
1600 ret = ldq_user(addr);
1605 case 0x14: // Bypass
1606 case 0x15: // Bypass, non-cacheable
1607 case 0x1c: // Bypass LE
1608 case 0x1d: // Bypass, non-cacheable LE
1612 ret = ldub_phys(addr);
1615 ret = lduw_phys(addr);
1618 ret = ldl_phys(addr);
1622 ret = ldq_phys(addr);
1627 case 0x04: // Nucleus
1628 case 0x0c: // Nucleus Little Endian (LE)
1629 case 0x11: // As if user secondary
1630 case 0x19: // As if user secondary LE
1631 case 0x24: // Nucleus quad LDD 128 bit atomic
1632 case 0x2c: // Nucleus quad LDD 128 bit atomic
1633 case 0x4a: // UPA config
1634 case 0x81: // Secondary
1635 case 0x83: // Secondary no-fault
1636 case 0x89: // Secondary LE
1637 case 0x8b: // Secondary no-fault LE
1643 case 0x50: // I-MMU regs
1645 int reg = (addr >> 3) & 0xf;
1647 ret = env->immuregs[reg];
1650 case 0x51: // I-MMU 8k TSB pointer
1651 case 0x52: // I-MMU 64k TSB pointer
1652 case 0x55: // I-MMU data access
1655 case 0x56: // I-MMU tag read
1659 for (i = 0; i < 64; i++) {
1660 // Valid, ctx match, vaddr match
1661 if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0 &&
1662 env->itlb_tag[i] == addr) {
1663 ret = env->itlb_tag[i];
1669 case 0x58: // D-MMU regs
1671 int reg = (addr >> 3) & 0xf;
1673 ret = env->dmmuregs[reg];
1676 case 0x5e: // D-MMU tag read
1680 for (i = 0; i < 64; i++) {
1681 // Valid, ctx match, vaddr match
1682 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0 &&
1683 env->dtlb_tag[i] == addr) {
1684 ret = env->dtlb_tag[i];
1690 case 0x59: // D-MMU 8k TSB pointer
1691 case 0x5a: // D-MMU 64k TSB pointer
1692 case 0x5b: // D-MMU data pointer
1693 case 0x5d: // D-MMU data access
1694 case 0x48: // Interrupt dispatch, RO
1695 case 0x49: // Interrupt data receive
1696 case 0x7f: // Incoming interrupt vector, RO
1699 case 0x54: // I-MMU data in, WO
1700 case 0x57: // I-MMU demap, WO
1701 case 0x5c: // D-MMU data in, WO
1702 case 0x5f: // D-MMU demap, WO
1703 case 0x77: // Interrupt vector, WO
1705 do_unassigned_access(addr, 0, 0, 1);
1710 /* Convert from little endian */
1712 case 0x0c: // Nucleus Little Endian (LE)
1713 case 0x18: // As if user primary LE
1714 case 0x19: // As if user secondary LE
1715 case 0x1c: // Bypass LE
1716 case 0x1d: // Bypass, non-cacheable LE
1717 case 0x88: // Primary LE
1718 case 0x89: // Secondary LE
1719 case 0x8a: // Primary no-fault LE
1720 case 0x8b: // Secondary no-fault LE
1738 /* Convert to signed number */
1745 ret = (int16_t) ret;
1748 ret = (int32_t) ret;
1755 dump_asi("read ", last_addr, asi, size, ret);
1760 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1763 dump_asi("write", addr, asi, size, val);
1765 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1766 || (asi >= 0x30 && asi < 0x80 && !(env->hpstate & HS_PRIV)))
1767 raise_exception(TT_PRIV_ACT);
1769 helper_check_align(addr, size - 1);
1770 /* Convert to little endian */
1772 case 0x0c: // Nucleus Little Endian (LE)
1773 case 0x18: // As if user primary LE
1774 case 0x19: // As if user secondary LE
1775 case 0x1c: // Bypass LE
1776 case 0x1d: // Bypass, non-cacheable LE
1777 case 0x88: // Primary LE
1778 case 0x89: // Secondary LE
1781 addr = bswap16(addr);
1784 addr = bswap32(addr);
1787 addr = bswap64(addr);
1797 case 0x10: // As if user primary
1798 case 0x18: // As if user primary LE
1799 case 0x80: // Primary
1800 case 0x88: // Primary LE
1801 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1802 if (env->hpstate & HS_PRIV) {
1805 stb_hypv(addr, val);
1808 stw_hypv(addr, val);
1811 stl_hypv(addr, val);
1815 stq_hypv(addr, val);
1821 stb_kernel(addr, val);
1824 stw_kernel(addr, val);
1827 stl_kernel(addr, val);
1831 stq_kernel(addr, val);
1838 stb_user(addr, val);
1841 stw_user(addr, val);
1844 stl_user(addr, val);
1848 stq_user(addr, val);
1853 case 0x14: // Bypass
1854 case 0x15: // Bypass, non-cacheable
1855 case 0x1c: // Bypass LE
1856 case 0x1d: // Bypass, non-cacheable LE
1860 stb_phys(addr, val);
1863 stw_phys(addr, val);
1866 stl_phys(addr, val);
1870 stq_phys(addr, val);
1875 case 0x04: // Nucleus
1876 case 0x0c: // Nucleus Little Endian (LE)
1877 case 0x11: // As if user secondary
1878 case 0x19: // As if user secondary LE
1879 case 0x24: // Nucleus quad LDD 128 bit atomic
1880 case 0x2c: // Nucleus quad LDD 128 bit atomic
1881 case 0x4a: // UPA config
1882 case 0x81: // Secondary
1883 case 0x89: // Secondary LE
1891 env->lsu = val & (DMMU_E | IMMU_E);
1892 // Mappings generated during D/I MMU disabled mode are
1893 // invalid in normal mode
1894 if (oldreg != env->lsu) {
1895 DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n",
1904 case 0x50: // I-MMU regs
1906 int reg = (addr >> 3) & 0xf;
1909 oldreg = env->immuregs[reg];
1914 case 1: // Not in I-MMU
1921 val = 0; // Clear SFSR
1923 case 5: // TSB access
1924 case 6: // Tag access
1928 env->immuregs[reg] = val;
1929 if (oldreg != env->immuregs[reg]) {
1930 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
1931 PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
1938 case 0x54: // I-MMU data in
1942 // Try finding an invalid entry
1943 for (i = 0; i < 64; i++) {
1944 if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) {
1945 env->itlb_tag[i] = env->immuregs[6];
1946 env->itlb_tte[i] = val;
1950 // Try finding an unlocked entry
1951 for (i = 0; i < 64; i++) {
1952 if ((env->itlb_tte[i] & 0x40) == 0) {
1953 env->itlb_tag[i] = env->immuregs[6];
1954 env->itlb_tte[i] = val;
1961 case 0x55: // I-MMU data access
1963 unsigned int i = (addr >> 3) & 0x3f;
1965 env->itlb_tag[i] = env->immuregs[6];
1966 env->itlb_tte[i] = val;
1969 case 0x57: // I-MMU demap
1972 case 0x58: // D-MMU regs
1974 int reg = (addr >> 3) & 0xf;
1977 oldreg = env->dmmuregs[reg];
1983 if ((val & 1) == 0) {
1984 val = 0; // Clear SFSR, Fault address
1985 env->dmmuregs[4] = 0;
1987 env->dmmuregs[reg] = val;
1989 case 1: // Primary context
1990 case 2: // Secondary context
1991 case 5: // TSB access
1992 case 6: // Tag access
1993 case 7: // Virtual Watchpoint
1994 case 8: // Physical Watchpoint
1998 env->dmmuregs[reg] = val;
1999 if (oldreg != env->dmmuregs[reg]) {
2000 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
2001 PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
2008 case 0x5c: // D-MMU data in
2012 // Try finding an invalid entry
2013 for (i = 0; i < 64; i++) {
2014 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) {
2015 env->dtlb_tag[i] = env->dmmuregs[6];
2016 env->dtlb_tte[i] = val;
2020 // Try finding an unlocked entry
2021 for (i = 0; i < 64; i++) {
2022 if ((env->dtlb_tte[i] & 0x40) == 0) {
2023 env->dtlb_tag[i] = env->dmmuregs[6];
2024 env->dtlb_tte[i] = val;
2031 case 0x5d: // D-MMU data access
2033 unsigned int i = (addr >> 3) & 0x3f;
2035 env->dtlb_tag[i] = env->dmmuregs[6];
2036 env->dtlb_tte[i] = val;
2039 case 0x5f: // D-MMU demap
2040 case 0x49: // Interrupt data receive
2043 case 0x51: // I-MMU 8k TSB pointer, RO
2044 case 0x52: // I-MMU 64k TSB pointer, RO
2045 case 0x56: // I-MMU tag read, RO
2046 case 0x59: // D-MMU 8k TSB pointer, RO
2047 case 0x5a: // D-MMU 64k TSB pointer, RO
2048 case 0x5b: // D-MMU data pointer, RO
2049 case 0x5e: // D-MMU tag read, RO
2050 case 0x48: // Interrupt dispatch, RO
2051 case 0x7f: // Incoming interrupt vector, RO
2052 case 0x82: // Primary no-fault, RO
2053 case 0x83: // Secondary no-fault, RO
2054 case 0x8a: // Primary no-fault LE, RO
2055 case 0x8b: // Secondary no-fault LE, RO
2057 do_unassigned_access(addr, 1, 0, 1);
2061 #endif /* CONFIG_USER_ONLY */
2063 void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
2068 helper_check_align(addr, 3);
2070 case 0xf0: // Block load primary
2071 case 0xf1: // Block load secondary
2072 case 0xf8: // Block load primary LE
2073 case 0xf9: // Block load secondary LE
2075 raise_exception(TT_ILL_INSN);
2078 helper_check_align(addr, 0x3f);
2079 for (i = 0; i < 16; i++) {
2080 *(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4,
2090 val = helper_ld_asi(addr, asi, size, 0);
2094 *((uint32_t *)&FT0) = val;
2097 *((int64_t *)&DT0) = val;
2105 void helper_stf_asi(target_ulong addr, int asi, int size, int rd)
2108 target_ulong val = 0;
2110 helper_check_align(addr, 3);
2112 case 0xf0: // Block store primary
2113 case 0xf1: // Block store secondary
2114 case 0xf8: // Block store primary LE
2115 case 0xf9: // Block store secondary LE
2117 raise_exception(TT_ILL_INSN);
2120 helper_check_align(addr, 0x3f);
2121 for (i = 0; i < 16; i++) {
2122 val = *(uint32_t *)&env->fpr[rd++];
2123 helper_st_asi(addr, val, asi & 0x8f, 4);
2135 val = *((uint32_t *)&FT0);
2138 val = *((int64_t *)&DT0);
2144 helper_st_asi(addr, val, asi, size);
2147 target_ulong helper_cas_asi(target_ulong addr, target_ulong val1,
2148 target_ulong val2, uint32_t asi)
2152 val1 &= 0xffffffffUL;
2153 ret = helper_ld_asi(addr, asi, 4, 0);
2154 ret &= 0xffffffffUL;
2156 helper_st_asi(addr, val2 & 0xffffffffUL, asi, 4);
2160 target_ulong helper_casx_asi(target_ulong addr, target_ulong val1,
2161 target_ulong val2, uint32_t asi)
2165 ret = helper_ld_asi(addr, asi, 8, 0);
2167 helper_st_asi(addr, val2, asi, 8);
2170 #endif /* TARGET_SPARC64 */
2172 #ifndef TARGET_SPARC64
2173 void helper_rett(void)
2177 if (env->psret == 1)
2178 raise_exception(TT_ILL_INSN);
2181 cwp = (env->cwp + 1) & (NWINDOWS - 1);
2182 if (env->wim & (1 << cwp)) {
2183 raise_exception(TT_WIN_UNF);
2186 env->psrs = env->psrps;
2190 target_ulong helper_udiv(target_ulong a, target_ulong b)
2195 x0 = a | ((uint64_t) (env->y) << 32);
2199 raise_exception(TT_DIV_ZERO);
2203 if (x0 > 0xffffffff) {
2212 target_ulong helper_sdiv(target_ulong a, target_ulong b)
2217 x0 = a | ((int64_t) (env->y) << 32);
2221 raise_exception(TT_DIV_ZERO);
2225 if ((int32_t) x0 != x0) {
2227 return x0 < 0? 0x80000000: 0x7fffffff;
2234 uint64_t helper_pack64(target_ulong high, target_ulong low)
2236 return ((uint64_t)high << 32) | (uint64_t)(low & 0xffffffff);
2239 void helper_stdf(target_ulong addr, int mem_idx)
2241 helper_check_align(addr, 7);
2242 #if !defined(CONFIG_USER_ONLY)
2245 stfq_user(addr, DT0);
2248 stfq_kernel(addr, DT0);
2250 #ifdef TARGET_SPARC64
2252 stfq_hypv(addr, DT0);
2260 stfq_raw(addr, DT0);
2264 void helper_lddf(target_ulong addr, int mem_idx)
2266 helper_check_align(addr, 7);
2267 #if !defined(CONFIG_USER_ONLY)
2270 DT0 = ldfq_user(addr);
2273 DT0 = ldfq_kernel(addr);
2275 #ifdef TARGET_SPARC64
2277 DT0 = ldfq_hypv(addr);
2285 DT0 = ldfq_raw(addr);
2289 void helper_ldqf(target_ulong addr, int mem_idx)
2291 // XXX add 128 bit load
2294 helper_check_align(addr, 7);
2295 #if !defined(CONFIG_USER_ONLY)
2298 u.ll.upper = ldq_user(addr);
2299 u.ll.lower = ldq_user(addr + 8);
2303 u.ll.upper = ldq_kernel(addr);
2304 u.ll.lower = ldq_kernel(addr + 8);
2307 #ifdef TARGET_SPARC64
2309 u.ll.upper = ldq_hypv(addr);
2310 u.ll.lower = ldq_hypv(addr + 8);
2319 u.ll.upper = ldq_raw(addr);
2320 u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL);
2325 void helper_stqf(target_ulong addr, int mem_idx)
2327 // XXX add 128 bit store
2330 helper_check_align(addr, 7);
2331 #if !defined(CONFIG_USER_ONLY)
2335 stq_user(addr, u.ll.upper);
2336 stq_user(addr + 8, u.ll.lower);
2340 stq_kernel(addr, u.ll.upper);
2341 stq_kernel(addr + 8, u.ll.lower);
2343 #ifdef TARGET_SPARC64
2346 stq_hypv(addr, u.ll.upper);
2347 stq_hypv(addr + 8, u.ll.lower);
2356 stq_raw(addr, u.ll.upper);
2357 stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower);
2361 void helper_ldfsr(void)
2365 PUT_FSR32(env, *((uint32_t *) &FT0));
2366 switch (env->fsr & FSR_RD_MASK) {
2367 case FSR_RD_NEAREST:
2368 rnd_mode = float_round_nearest_even;
2372 rnd_mode = float_round_to_zero;
2375 rnd_mode = float_round_up;
2378 rnd_mode = float_round_down;
2381 set_float_rounding_mode(rnd_mode, &env->fp_status);
2384 void helper_stfsr(void)
2386 *((uint32_t *) &FT0) = GET_FSR32(env);
2389 void helper_debug(void)
2391 env->exception_index = EXCP_DEBUG;
2395 #ifndef TARGET_SPARC64
2396 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2398 void helper_save(void)
2402 cwp = (env->cwp - 1) & (NWINDOWS - 1);
2403 if (env->wim & (1 << cwp)) {
2404 raise_exception(TT_WIN_OVF);
2409 void helper_restore(void)
2413 cwp = (env->cwp + 1) & (NWINDOWS - 1);
2414 if (env->wim & (1 << cwp)) {
2415 raise_exception(TT_WIN_UNF);
2420 void helper_wrpsr(target_ulong new_psr)
2422 if ((new_psr & PSR_CWP) >= NWINDOWS)
2423 raise_exception(TT_ILL_INSN);
2425 PUT_PSR(env, new_psr);
2428 target_ulong helper_rdpsr(void)
2430 return GET_PSR(env);
2434 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2436 void helper_save(void)
2440 cwp = (env->cwp - 1) & (NWINDOWS - 1);
2441 if (env->cansave == 0) {
2442 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2443 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2444 ((env->wstate & 0x7) << 2)));
2446 if (env->cleanwin - env->canrestore == 0) {
2447 // XXX Clean windows without trap
2448 raise_exception(TT_CLRWIN);
2457 void helper_restore(void)
2461 cwp = (env->cwp + 1) & (NWINDOWS - 1);
2462 if (env->canrestore == 0) {
2463 raise_exception(TT_FILL | (env->otherwin != 0 ?
2464 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2465 ((env->wstate & 0x7) << 2)));
2473 void helper_flushw(void)
2475 if (env->cansave != NWINDOWS - 2) {
2476 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2477 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2478 ((env->wstate & 0x7) << 2)));
2482 void helper_saved(void)
2485 if (env->otherwin == 0)
2491 void helper_restored(void)
2494 if (env->cleanwin < NWINDOWS - 1)
2496 if (env->otherwin == 0)
2502 target_ulong helper_rdccr(void)
2504 return GET_CCR(env);
2507 void helper_wrccr(target_ulong new_ccr)
2509 PUT_CCR(env, new_ccr);
2512 // CWP handling is reversed in V9, but we still use the V8 register
2514 target_ulong helper_rdcwp(void)
2516 return GET_CWP64(env);
2519 void helper_wrcwp(target_ulong new_cwp)
2521 PUT_CWP64(env, new_cwp);
2524 // This function uses non-native bit order
2525 #define GET_FIELD(X, FROM, TO) \
2526 ((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
2528 // This function uses the order in the manuals, i.e. bit 0 is 2^0
2529 #define GET_FIELD_SP(X, FROM, TO) \
2530 GET_FIELD(X, 63 - (TO), 63 - (FROM))
2532 target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
2534 return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
2535 (GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
2536 (GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
2537 (GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
2538 (GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
2539 (GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
2540 (((pixel_addr >> 55) & 1) << 4) |
2541 (GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
2542 GET_FIELD_SP(pixel_addr, 11, 12);
2545 target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
2549 tmp = addr + offset;
2551 env->gsr |= tmp & 7ULL;
2555 target_ulong helper_popc(target_ulong val)
2557 return ctpop64(val);
2560 static inline uint64_t *get_gregset(uint64_t pstate)
2575 void change_pstate(uint64_t new_pstate)
2577 uint64_t pstate_regs, new_pstate_regs;
2578 uint64_t *src, *dst;
2580 pstate_regs = env->pstate & 0xc01;
2581 new_pstate_regs = new_pstate & 0xc01;
2582 if (new_pstate_regs != pstate_regs) {
2583 // Switch global register bank
2584 src = get_gregset(new_pstate_regs);
2585 dst = get_gregset(pstate_regs);
2586 memcpy32(dst, env->gregs);
2587 memcpy32(env->gregs, src);
2589 env->pstate = new_pstate;
2592 void helper_wrpstate(target_ulong new_state)
2594 change_pstate(new_state & 0xf3f);
2597 void helper_done(void)
2600 env->tsptr = &env->ts[env->tl];
2601 env->pc = env->tsptr->tpc;
2602 env->npc = env->tsptr->tnpc + 4;
2603 PUT_CCR(env, env->tsptr->tstate >> 32);
2604 env->asi = (env->tsptr->tstate >> 24) & 0xff;
2605 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2606 PUT_CWP64(env, env->tsptr->tstate & 0xff);
2609 void helper_retry(void)
2612 env->tsptr = &env->ts[env->tl];
2613 env->pc = env->tsptr->tpc;
2614 env->npc = env->tsptr->tnpc;
2615 PUT_CCR(env, env->tsptr->tstate >> 32);
2616 env->asi = (env->tsptr->tstate >> 24) & 0xff;
2617 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2618 PUT_CWP64(env, env->tsptr->tstate & 0xff);
2622 void cpu_set_cwp(CPUState *env1, int new_cwp)
2624 /* put the modified wrap registers at their proper location */
2625 if (env1->cwp == (NWINDOWS - 1))
2626 memcpy32(env1->regbase, env1->regbase + NWINDOWS * 16);
2627 env1->cwp = new_cwp;
2628 /* put the wrap registers at their temporary location */
2629 if (new_cwp == (NWINDOWS - 1))
2630 memcpy32(env1->regbase + NWINDOWS * 16, env1->regbase);
2631 env1->regwptr = env1->regbase + (new_cwp * 16);
2632 REGWPTR = env1->regwptr;
2635 void set_cwp(int new_cwp)
2637 cpu_set_cwp(env, new_cwp);
2640 void helper_flush(target_ulong addr)
2643 tb_invalidate_page_range(addr, addr + 8);
2646 #if !defined(CONFIG_USER_ONLY)
2648 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
2651 #define MMUSUFFIX _mmu
2652 #define ALIGNED_ONLY
2655 #include "softmmu_template.h"
2658 #include "softmmu_template.h"
2661 #include "softmmu_template.h"
2664 #include "softmmu_template.h"
2666 /* XXX: make it generic ? */
2667 static void cpu_restore_state2(void *retaddr)
2669 TranslationBlock *tb;
2673 /* now we have a real cpu fault */
2674 pc = (unsigned long)retaddr;
2675 tb = tb_find_pc(pc);
2677 /* the PC is inside the translated code. It means that we have
2678 a virtual CPU fault */
2679 cpu_restore_state(tb, env, pc, (void *)(long)env->cond);
2684 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
2687 #ifdef DEBUG_UNALIGNED
2688 printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
2689 "\n", addr, env->pc);
2691 cpu_restore_state2(retaddr);
2692 raise_exception(TT_UNALIGNED);
2695 /* try to fill the TLB and return an exception if error. If retaddr is
2696 NULL, it means that the function was called in C code (i.e. not
2697 from generated code or from helper.c) */
2698 /* XXX: fix it to restore all registers */
2699 void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
2702 CPUState *saved_env;
2704 /* XXX: hack to restore env in all cases, even if not called from
2707 env = cpu_single_env;
2709 ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
2711 cpu_restore_state2(retaddr);
2719 #ifndef TARGET_SPARC64
2720 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
2723 CPUState *saved_env;
2725 /* XXX: hack to restore env in all cases, even if not called from
2728 env = cpu_single_env;
2729 #ifdef DEBUG_UNASSIGNED
2731 printf("Unassigned mem %s access to " TARGET_FMT_plx
2732 " asi 0x%02x from " TARGET_FMT_lx "\n",
2733 is_exec ? "exec" : is_write ? "write" : "read", addr, is_asi,
2736 printf("Unassigned mem %s access to " TARGET_FMT_plx " from "
2738 is_exec ? "exec" : is_write ? "write" : "read", addr, env->pc);
2740 if (env->mmuregs[3]) /* Fault status register */
2741 env->mmuregs[3] = 1; /* overflow (not read before another fault) */
2743 env->mmuregs[3] |= 1 << 16;
2745 env->mmuregs[3] |= 1 << 5;
2747 env->mmuregs[3] |= 1 << 6;
2749 env->mmuregs[3] |= 1 << 7;
2750 env->mmuregs[3] |= (5 << 2) | 2;
2751 env->mmuregs[4] = addr; /* Fault address register */
2752 if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) {
2754 raise_exception(TT_CODE_ACCESS);
2756 raise_exception(TT_DATA_ACCESS);
2761 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
2764 #ifdef DEBUG_UNASSIGNED
2765 CPUState *saved_env;
2767 /* XXX: hack to restore env in all cases, even if not called from
2770 env = cpu_single_env;
2771 printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx
2772 "\n", addr, env->pc);
2776 raise_exception(TT_CODE_ACCESS);
2778 raise_exception(TT_DATA_ACCESS);