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)
37 #define AM_CHECK(env1) ((env1)->pstate & PS_AM)
39 #define AM_CHECK(env1) (1)
43 static inline void address_mask(CPUState *env1, target_ulong *addr)
47 *addr &= 0xffffffffULL;
51 void raise_exception(int tt)
53 env->exception_index = tt;
57 void helper_trap(target_ulong nb_trap)
59 env->exception_index = TT_TRAP + (nb_trap & 0x7f);
63 void helper_trapcc(target_ulong nb_trap, target_ulong do_trap)
66 env->exception_index = TT_TRAP + (nb_trap & 0x7f);
71 static inline void set_cwp(int new_cwp)
73 cpu_set_cwp(env, new_cwp);
76 void helper_check_align(target_ulong addr, uint32_t align)
79 #ifdef DEBUG_UNALIGNED
80 printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
83 raise_exception(TT_UNALIGNED);
87 #define F_HELPER(name, p) void helper_f##name##p(void)
89 #define F_BINOP(name) \
90 float32 helper_f ## name ## s (float32 src1, float32 src2) \
92 return float32_ ## name (src1, src2, &env->fp_status); \
96 DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \
100 QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \
109 void helper_fsmuld(void)
111 DT0 = float64_mul(float32_to_float64(FT0, &env->fp_status),
112 float32_to_float64(FT1, &env->fp_status),
116 void helper_fdmulq(void)
118 QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status),
119 float64_to_float128(DT1, &env->fp_status),
123 float32 helper_fnegs(float32 src)
125 return float32_chs(src);
128 #ifdef TARGET_SPARC64
131 DT0 = float64_chs(DT1);
136 QT0 = float128_chs(QT1);
140 /* Integer to float conversion. */
141 float32 helper_fitos(int32_t src)
143 return int32_to_float32(src, &env->fp_status);
148 DT0 = int32_to_float64(*((int32_t *)&FT1), &env->fp_status);
153 QT0 = int32_to_float128(*((int32_t *)&FT1), &env->fp_status);
156 #ifdef TARGET_SPARC64
159 FT0 = int64_to_float32(*((int64_t *)&DT1), &env->fp_status);
164 DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status);
169 QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status);
174 /* floating point conversion */
175 void helper_fdtos(void)
177 FT0 = float64_to_float32(DT1, &env->fp_status);
180 void helper_fstod(void)
182 DT0 = float32_to_float64(FT1, &env->fp_status);
185 void helper_fqtos(void)
187 FT0 = float128_to_float32(QT1, &env->fp_status);
190 void helper_fstoq(void)
192 QT0 = float32_to_float128(FT1, &env->fp_status);
195 void helper_fqtod(void)
197 DT0 = float128_to_float64(QT1, &env->fp_status);
200 void helper_fdtoq(void)
202 QT0 = float64_to_float128(DT1, &env->fp_status);
205 /* Float to integer conversion. */
206 int32_t helper_fstoi(float32 src)
208 return float32_to_int32_round_to_zero(src, &env->fp_status);
211 void helper_fdtoi(void)
213 *((int32_t *)&FT0) = float64_to_int32_round_to_zero(DT1, &env->fp_status);
216 void helper_fqtoi(void)
218 *((int32_t *)&FT0) = float128_to_int32_round_to_zero(QT1, &env->fp_status);
221 #ifdef TARGET_SPARC64
222 void helper_fstox(void)
224 *((int64_t *)&DT0) = float32_to_int64_round_to_zero(FT1, &env->fp_status);
227 void helper_fdtox(void)
229 *((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status);
232 void helper_fqtox(void)
234 *((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status);
237 void helper_faligndata(void)
241 tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8);
242 /* on many architectures a shift of 64 does nothing */
243 if ((env->gsr & 7) != 0) {
244 tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8);
246 *((uint64_t *)&DT0) = tmp;
249 void helper_fnot(void)
251 *(uint64_t *)&DT0 = ~*(uint64_t *)&DT1;
254 void helper_fnor(void)
256 *(uint64_t *)&DT0 = ~(*(uint64_t *)&DT0 | *(uint64_t *)&DT1);
259 void helper_for(void)
261 *(uint64_t *)&DT0 |= *(uint64_t *)&DT1;
264 void helper_fxor(void)
266 *(uint64_t *)&DT0 ^= *(uint64_t *)&DT1;
269 void helper_fand(void)
271 *(uint64_t *)&DT0 &= *(uint64_t *)&DT1;
274 void helper_fornot(void)
276 *(uint64_t *)&DT0 = *(uint64_t *)&DT0 | ~*(uint64_t *)&DT1;
279 void helper_fandnot(void)
281 *(uint64_t *)&DT0 = *(uint64_t *)&DT0 & ~*(uint64_t *)&DT1;
284 void helper_fnand(void)
286 *(uint64_t *)&DT0 = ~(*(uint64_t *)&DT0 & *(uint64_t *)&DT1);
289 void helper_fxnor(void)
291 *(uint64_t *)&DT0 ^= ~*(uint64_t *)&DT1;
294 #ifdef WORDS_BIGENDIAN
295 #define VIS_B64(n) b[7 - (n)]
296 #define VIS_W64(n) w[3 - (n)]
297 #define VIS_SW64(n) sw[3 - (n)]
298 #define VIS_L64(n) l[1 - (n)]
299 #define VIS_B32(n) b[3 - (n)]
300 #define VIS_W32(n) w[1 - (n)]
302 #define VIS_B64(n) b[n]
303 #define VIS_W64(n) w[n]
304 #define VIS_SW64(n) sw[n]
305 #define VIS_L64(n) l[n]
306 #define VIS_B32(n) b[n]
307 #define VIS_W32(n) w[n]
325 void helper_fpmerge(void)
332 // Reverse calculation order to handle overlap
333 d.VIS_B64(7) = s.VIS_B64(3);
334 d.VIS_B64(6) = d.VIS_B64(3);
335 d.VIS_B64(5) = s.VIS_B64(2);
336 d.VIS_B64(4) = d.VIS_B64(2);
337 d.VIS_B64(3) = s.VIS_B64(1);
338 d.VIS_B64(2) = d.VIS_B64(1);
339 d.VIS_B64(1) = s.VIS_B64(0);
340 //d.VIS_B64(0) = d.VIS_B64(0);
345 void helper_fmul8x16(void)
354 tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \
355 if ((tmp & 0xff) > 0x7f) \
357 d.VIS_W64(r) = tmp >> 8;
368 void helper_fmul8x16al(void)
377 tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \
378 if ((tmp & 0xff) > 0x7f) \
380 d.VIS_W64(r) = tmp >> 8;
391 void helper_fmul8x16au(void)
400 tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
401 if ((tmp & 0xff) > 0x7f) \
403 d.VIS_W64(r) = tmp >> 8;
414 void helper_fmul8sux16(void)
423 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
424 if ((tmp & 0xff) > 0x7f) \
426 d.VIS_W64(r) = tmp >> 8;
437 void helper_fmul8ulx16(void)
446 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
447 if ((tmp & 0xff) > 0x7f) \
449 d.VIS_W64(r) = tmp >> 8;
460 void helper_fmuld8sux16(void)
469 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
470 if ((tmp & 0xff) > 0x7f) \
474 // Reverse calculation order to handle overlap
482 void helper_fmuld8ulx16(void)
491 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
492 if ((tmp & 0xff) > 0x7f) \
496 // Reverse calculation order to handle overlap
504 void helper_fexpand(void)
509 s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
511 d.VIS_L64(0) = s.VIS_W32(0) << 4;
512 d.VIS_L64(1) = s.VIS_W32(1) << 4;
513 d.VIS_L64(2) = s.VIS_W32(2) << 4;
514 d.VIS_L64(3) = s.VIS_W32(3) << 4;
519 #define VIS_HELPER(name, F) \
520 void name##16(void) \
527 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \
528 d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \
529 d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \
530 d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \
535 uint32_t name##16s(uint32_t src1, uint32_t src2) \
542 d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \
543 d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \
548 void name##32(void) \
555 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \
556 d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \
561 uint32_t name##32s(uint32_t src1, uint32_t src2) \
573 #define FADD(a, b) ((a) + (b))
574 #define FSUB(a, b) ((a) - (b))
575 VIS_HELPER(helper_fpadd, FADD)
576 VIS_HELPER(helper_fpsub, FSUB)
578 #define VIS_CMPHELPER(name, F) \
579 void name##16(void) \
586 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0))? 1: 0; \
587 d.VIS_W64(0) |= F(d.VIS_W64(1), s.VIS_W64(1))? 2: 0; \
588 d.VIS_W64(0) |= F(d.VIS_W64(2), s.VIS_W64(2))? 4: 0; \
589 d.VIS_W64(0) |= F(d.VIS_W64(3), s.VIS_W64(3))? 8: 0; \
594 void name##32(void) \
601 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0))? 1: 0; \
602 d.VIS_L64(0) |= F(d.VIS_L64(1), s.VIS_L64(1))? 2: 0; \
607 #define FCMPGT(a, b) ((a) > (b))
608 #define FCMPEQ(a, b) ((a) == (b))
609 #define FCMPLE(a, b) ((a) <= (b))
610 #define FCMPNE(a, b) ((a) != (b))
612 VIS_CMPHELPER(helper_fcmpgt, FCMPGT)
613 VIS_CMPHELPER(helper_fcmpeq, FCMPEQ)
614 VIS_CMPHELPER(helper_fcmple, FCMPLE)
615 VIS_CMPHELPER(helper_fcmpne, FCMPNE)
618 void helper_check_ieee_exceptions(void)
622 status = get_float_exception_flags(&env->fp_status);
624 /* Copy IEEE 754 flags into FSR */
625 if (status & float_flag_invalid)
627 if (status & float_flag_overflow)
629 if (status & float_flag_underflow)
631 if (status & float_flag_divbyzero)
633 if (status & float_flag_inexact)
636 if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) {
637 /* Unmasked exception, generate a trap */
638 env->fsr |= FSR_FTT_IEEE_EXCP;
639 raise_exception(TT_FP_EXCP);
641 /* Accumulate exceptions */
642 env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5;
647 void helper_clear_float_exceptions(void)
649 set_float_exception_flags(0, &env->fp_status);
652 float32 helper_fabss(float32 src)
654 return float32_abs(src);
657 #ifdef TARGET_SPARC64
658 void helper_fabsd(void)
660 DT0 = float64_abs(DT1);
663 void helper_fabsq(void)
665 QT0 = float128_abs(QT1);
669 float32 helper_fsqrts(float32 src)
671 return float32_sqrt(src, &env->fp_status);
674 void helper_fsqrtd(void)
676 DT0 = float64_sqrt(DT1, &env->fp_status);
679 void helper_fsqrtq(void)
681 QT0 = float128_sqrt(QT1, &env->fp_status);
684 #define GEN_FCMP(name, size, reg1, reg2, FS, TRAP) \
685 void glue(helper_, name) (void) \
687 target_ulong new_fsr; \
689 env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
690 switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
691 case float_relation_unordered: \
692 new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \
693 if ((env->fsr & FSR_NVM) || TRAP) { \
694 env->fsr |= new_fsr; \
695 env->fsr |= FSR_NVC; \
696 env->fsr |= FSR_FTT_IEEE_EXCP; \
697 raise_exception(TT_FP_EXCP); \
699 env->fsr |= FSR_NVA; \
702 case float_relation_less: \
703 new_fsr = FSR_FCC0 << FS; \
705 case float_relation_greater: \
706 new_fsr = FSR_FCC1 << FS; \
712 env->fsr |= new_fsr; \
714 #define GEN_FCMPS(name, size, FS, TRAP) \
715 void glue(helper_, name)(float32 src1, float32 src2) \
717 target_ulong new_fsr; \
719 env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
720 switch (glue(size, _compare) (src1, src2, &env->fp_status)) { \
721 case float_relation_unordered: \
722 new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \
723 if ((env->fsr & FSR_NVM) || TRAP) { \
724 env->fsr |= new_fsr; \
725 env->fsr |= FSR_NVC; \
726 env->fsr |= FSR_FTT_IEEE_EXCP; \
727 raise_exception(TT_FP_EXCP); \
729 env->fsr |= FSR_NVA; \
732 case float_relation_less: \
733 new_fsr = FSR_FCC0 << FS; \
735 case float_relation_greater: \
736 new_fsr = FSR_FCC1 << FS; \
742 env->fsr |= new_fsr; \
745 GEN_FCMPS(fcmps, float32, 0, 0);
746 GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0);
748 GEN_FCMPS(fcmpes, float32, 0, 1);
749 GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1);
751 GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0);
752 GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1);
754 #ifdef TARGET_SPARC64
755 GEN_FCMPS(fcmps_fcc1, float32, 22, 0);
756 GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
757 GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
759 GEN_FCMPS(fcmps_fcc2, float32, 24, 0);
760 GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
761 GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
763 GEN_FCMPS(fcmps_fcc3, float32, 26, 0);
764 GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
765 GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
767 GEN_FCMPS(fcmpes_fcc1, float32, 22, 1);
768 GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
769 GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
771 GEN_FCMPS(fcmpes_fcc2, float32, 24, 1);
772 GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
773 GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
775 GEN_FCMPS(fcmpes_fcc3, float32, 26, 1);
776 GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
777 GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
781 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
783 static void dump_mxcc(CPUState *env)
785 printf("mxccdata: %016llx %016llx %016llx %016llx\n",
786 env->mxccdata[0], env->mxccdata[1],
787 env->mxccdata[2], env->mxccdata[3]);
788 printf("mxccregs: %016llx %016llx %016llx %016llx\n"
789 " %016llx %016llx %016llx %016llx\n",
790 env->mxccregs[0], env->mxccregs[1],
791 env->mxccregs[2], env->mxccregs[3],
792 env->mxccregs[4], env->mxccregs[5],
793 env->mxccregs[6], env->mxccregs[7]);
797 #if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
798 && defined(DEBUG_ASI)
799 static void dump_asi(const char *txt, target_ulong addr, int asi, int size,
805 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt,
806 addr, asi, r1 & 0xff);
809 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt,
810 addr, asi, r1 & 0xffff);
813 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt,
814 addr, asi, r1 & 0xffffffff);
817 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt,
824 #ifndef TARGET_SPARC64
825 #ifndef CONFIG_USER_ONLY
826 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
829 #if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
830 uint32_t last_addr = addr;
833 helper_check_align(addr, size - 1);
835 case 2: /* SuperSparc MXCC registers */
837 case 0x01c00a00: /* MXCC control register */
839 ret = env->mxccregs[3];
841 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
844 case 0x01c00a04: /* MXCC control register */
846 ret = env->mxccregs[3];
848 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
851 case 0x01c00c00: /* Module reset register */
853 ret = env->mxccregs[5];
854 // should we do something here?
856 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
859 case 0x01c00f00: /* MBus port address register */
861 ret = env->mxccregs[7];
863 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
867 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
871 DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
872 "addr = %08x -> ret = %08x,"
873 "addr = %08x\n", asi, size, sign, last_addr, ret, addr);
878 case 3: /* MMU probe */
882 mmulev = (addr >> 8) & 15;
886 ret = mmu_probe(env, addr, mmulev);
887 DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n",
891 case 4: /* read MMU regs */
893 int reg = (addr >> 8) & 0x1f;
895 ret = env->mmuregs[reg];
896 if (reg == 3) /* Fault status cleared on read */
898 else if (reg == 0x13) /* Fault status read */
899 ret = env->mmuregs[3];
900 else if (reg == 0x14) /* Fault address read */
901 ret = env->mmuregs[4];
902 DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret);
905 case 5: // Turbosparc ITLB Diagnostic
906 case 6: // Turbosparc DTLB Diagnostic
907 case 7: // Turbosparc IOTLB Diagnostic
909 case 9: /* Supervisor code access */
912 ret = ldub_code(addr);
915 ret = lduw_code(addr);
919 ret = ldl_code(addr);
922 ret = ldq_code(addr);
926 case 0xa: /* User data access */
929 ret = ldub_user(addr);
932 ret = lduw_user(addr);
936 ret = ldl_user(addr);
939 ret = ldq_user(addr);
943 case 0xb: /* Supervisor data access */
946 ret = ldub_kernel(addr);
949 ret = lduw_kernel(addr);
953 ret = ldl_kernel(addr);
956 ret = ldq_kernel(addr);
960 case 0xc: /* I-cache tag */
961 case 0xd: /* I-cache data */
962 case 0xe: /* D-cache tag */
963 case 0xf: /* D-cache data */
965 case 0x20: /* MMU passthrough */
968 ret = ldub_phys(addr);
971 ret = lduw_phys(addr);
975 ret = ldl_phys(addr);
978 ret = ldq_phys(addr);
982 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
985 ret = ldub_phys((target_phys_addr_t)addr
986 | ((target_phys_addr_t)(asi & 0xf) << 32));
989 ret = lduw_phys((target_phys_addr_t)addr
990 | ((target_phys_addr_t)(asi & 0xf) << 32));
994 ret = ldl_phys((target_phys_addr_t)addr
995 | ((target_phys_addr_t)(asi & 0xf) << 32));
998 ret = ldq_phys((target_phys_addr_t)addr
999 | ((target_phys_addr_t)(asi & 0xf) << 32));
1003 case 0x30: // Turbosparc secondary cache diagnostic
1004 case 0x31: // Turbosparc RAM snoop
1005 case 0x32: // Turbosparc page table descriptor diagnostic
1006 case 0x39: /* data cache diagnostic register */
1009 case 8: /* User code access, XXX */
1011 do_unassigned_access(addr, 0, 0, asi);
1021 ret = (int16_t) ret;
1024 ret = (int32_t) ret;
1031 dump_asi("read ", last_addr, asi, size, ret);
1036 void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size)
1038 helper_check_align(addr, size - 1);
1040 case 2: /* SuperSparc MXCC registers */
1042 case 0x01c00000: /* MXCC stream data register 0 */
1044 env->mxccdata[0] = val;
1046 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1049 case 0x01c00008: /* MXCC stream data register 1 */
1051 env->mxccdata[1] = val;
1053 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1056 case 0x01c00010: /* MXCC stream data register 2 */
1058 env->mxccdata[2] = val;
1060 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1063 case 0x01c00018: /* MXCC stream data register 3 */
1065 env->mxccdata[3] = val;
1067 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1070 case 0x01c00100: /* MXCC stream source */
1072 env->mxccregs[0] = val;
1074 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1076 env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1078 env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1080 env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1082 env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1085 case 0x01c00200: /* MXCC stream destination */
1087 env->mxccregs[1] = val;
1089 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1091 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0,
1093 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8,
1095 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16,
1097 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24,
1100 case 0x01c00a00: /* MXCC control register */
1102 env->mxccregs[3] = val;
1104 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1107 case 0x01c00a04: /* MXCC control register */
1109 env->mxccregs[3] = (env->mxccregs[0xa] & 0xffffffff00000000ULL)
1112 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1115 case 0x01c00e00: /* MXCC error register */
1116 // writing a 1 bit clears the error
1118 env->mxccregs[6] &= ~val;
1120 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1123 case 0x01c00f00: /* MBus port address register */
1125 env->mxccregs[7] = val;
1127 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1131 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1135 DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %08x\n", asi,
1141 case 3: /* MMU flush */
1145 mmulev = (addr >> 8) & 15;
1146 DPRINTF_MMU("mmu flush level %d\n", mmulev);
1148 case 0: // flush page
1149 tlb_flush_page(env, addr & 0xfffff000);
1151 case 1: // flush segment (256k)
1152 case 2: // flush region (16M)
1153 case 3: // flush context (4G)
1154 case 4: // flush entire
1165 case 4: /* write MMU regs */
1167 int reg = (addr >> 8) & 0x1f;
1170 oldreg = env->mmuregs[reg];
1172 case 0: // Control Register
1173 env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
1175 // Mappings generated during no-fault mode or MMU
1176 // disabled mode are invalid in normal mode
1177 if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) !=
1178 (env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm)))
1181 case 1: // Context Table Pointer Register
1182 env->mmuregs[reg] = val & env->def->mmu_ctpr_mask;
1184 case 2: // Context Register
1185 env->mmuregs[reg] = val & env->def->mmu_cxr_mask;
1186 if (oldreg != env->mmuregs[reg]) {
1187 /* we flush when the MMU context changes because
1188 QEMU has no MMU context support */
1192 case 3: // Synchronous Fault Status Register with Clear
1193 case 4: // Synchronous Fault Address Register
1195 case 0x10: // TLB Replacement Control Register
1196 env->mmuregs[reg] = val & env->def->mmu_trcr_mask;
1198 case 0x13: // Synchronous Fault Status Register with Read and Clear
1199 env->mmuregs[3] = val & env->def->mmu_sfsr_mask;
1201 case 0x14: // Synchronous Fault Address Register
1202 env->mmuregs[4] = val;
1205 env->mmuregs[reg] = val;
1208 if (oldreg != env->mmuregs[reg]) {
1209 DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
1210 reg, oldreg, env->mmuregs[reg]);
1217 case 5: // Turbosparc ITLB Diagnostic
1218 case 6: // Turbosparc DTLB Diagnostic
1219 case 7: // Turbosparc IOTLB Diagnostic
1221 case 0xa: /* User data access */
1224 stb_user(addr, val);
1227 stw_user(addr, val);
1231 stl_user(addr, val);
1234 stq_user(addr, val);
1238 case 0xb: /* Supervisor data access */
1241 stb_kernel(addr, val);
1244 stw_kernel(addr, val);
1248 stl_kernel(addr, val);
1251 stq_kernel(addr, val);
1255 case 0xc: /* I-cache tag */
1256 case 0xd: /* I-cache data */
1257 case 0xe: /* D-cache tag */
1258 case 0xf: /* D-cache data */
1259 case 0x10: /* I/D-cache flush page */
1260 case 0x11: /* I/D-cache flush segment */
1261 case 0x12: /* I/D-cache flush region */
1262 case 0x13: /* I/D-cache flush context */
1263 case 0x14: /* I/D-cache flush user */
1265 case 0x17: /* Block copy, sta access */
1271 uint32_t src = val & ~3, dst = addr & ~3, temp;
1273 for (i = 0; i < 32; i += 4, src += 4, dst += 4) {
1274 temp = ldl_kernel(src);
1275 stl_kernel(dst, temp);
1279 case 0x1f: /* Block fill, stda access */
1282 // fill 32 bytes with val
1284 uint32_t dst = addr & 7;
1286 for (i = 0; i < 32; i += 8, dst += 8)
1287 stq_kernel(dst, val);
1290 case 0x20: /* MMU passthrough */
1294 stb_phys(addr, val);
1297 stw_phys(addr, val);
1301 stl_phys(addr, val);
1304 stq_phys(addr, val);
1309 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1313 stb_phys((target_phys_addr_t)addr
1314 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1317 stw_phys((target_phys_addr_t)addr
1318 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1322 stl_phys((target_phys_addr_t)addr
1323 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1326 stq_phys((target_phys_addr_t)addr
1327 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1332 case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic
1333 case 0x31: // store buffer data, Ross RT620 I-cache flush or
1334 // Turbosparc snoop RAM
1335 case 0x32: // store buffer control or Turbosparc page table
1336 // descriptor diagnostic
1337 case 0x36: /* I-cache flash clear */
1338 case 0x37: /* D-cache flash clear */
1339 case 0x38: /* breakpoint diagnostics */
1340 case 0x4c: /* breakpoint action */
1342 case 8: /* User code access, XXX */
1343 case 9: /* Supervisor code access, XXX */
1345 do_unassigned_access(addr, 1, 0, asi);
1349 dump_asi("write", addr, asi, size, val);
1353 #endif /* CONFIG_USER_ONLY */
1354 #else /* TARGET_SPARC64 */
1356 #ifdef CONFIG_USER_ONLY
1357 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1360 #if defined(DEBUG_ASI)
1361 target_ulong last_addr = addr;
1365 raise_exception(TT_PRIV_ACT);
1367 helper_check_align(addr, size - 1);
1368 address_mask(env, &addr);
1371 case 0x82: // Primary no-fault
1372 case 0x8a: // Primary no-fault LE
1373 if (page_check_range(addr, size, PAGE_READ) == -1) {
1375 dump_asi("read ", last_addr, asi, size, ret);
1380 case 0x80: // Primary
1381 case 0x88: // Primary LE
1385 ret = ldub_raw(addr);
1388 ret = lduw_raw(addr);
1391 ret = ldl_raw(addr);
1395 ret = ldq_raw(addr);
1400 case 0x83: // Secondary no-fault
1401 case 0x8b: // Secondary no-fault LE
1402 if (page_check_range(addr, size, PAGE_READ) == -1) {
1404 dump_asi("read ", last_addr, asi, size, ret);
1409 case 0x81: // Secondary
1410 case 0x89: // Secondary LE
1417 /* Convert from little endian */
1419 case 0x88: // Primary LE
1420 case 0x89: // Secondary LE
1421 case 0x8a: // Primary no-fault LE
1422 case 0x8b: // Secondary no-fault LE
1440 /* Convert to signed number */
1447 ret = (int16_t) ret;
1450 ret = (int32_t) ret;
1457 dump_asi("read ", last_addr, asi, size, ret);
1462 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1465 dump_asi("write", addr, asi, size, val);
1468 raise_exception(TT_PRIV_ACT);
1470 helper_check_align(addr, size - 1);
1471 address_mask(env, &addr);
1473 /* Convert to little endian */
1475 case 0x88: // Primary LE
1476 case 0x89: // Secondary LE
1479 addr = bswap16(addr);
1482 addr = bswap32(addr);
1485 addr = bswap64(addr);
1495 case 0x80: // Primary
1496 case 0x88: // Primary LE
1515 case 0x81: // Secondary
1516 case 0x89: // Secondary LE
1520 case 0x82: // Primary no-fault, RO
1521 case 0x83: // Secondary no-fault, RO
1522 case 0x8a: // Primary no-fault LE, RO
1523 case 0x8b: // Secondary no-fault LE, RO
1525 do_unassigned_access(addr, 1, 0, 1);
1530 #else /* CONFIG_USER_ONLY */
1532 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1535 #if defined(DEBUG_ASI)
1536 target_ulong last_addr = addr;
1539 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1540 || ((env->def->features & CPU_FEATURE_HYPV)
1541 && asi >= 0x30 && asi < 0x80
1542 && !(env->hpstate & HS_PRIV)))
1543 raise_exception(TT_PRIV_ACT);
1545 helper_check_align(addr, size - 1);
1547 case 0x82: // Primary no-fault
1548 case 0x8a: // Primary no-fault LE
1549 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
1551 dump_asi("read ", last_addr, asi, size, ret);
1556 case 0x10: // As if user primary
1557 case 0x18: // As if user primary LE
1558 case 0x80: // Primary
1559 case 0x88: // Primary LE
1560 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1561 if ((env->def->features & CPU_FEATURE_HYPV)
1562 && env->hpstate & HS_PRIV) {
1565 ret = ldub_hypv(addr);
1568 ret = lduw_hypv(addr);
1571 ret = ldl_hypv(addr);
1575 ret = ldq_hypv(addr);
1581 ret = ldub_kernel(addr);
1584 ret = lduw_kernel(addr);
1587 ret = ldl_kernel(addr);
1591 ret = ldq_kernel(addr);
1598 ret = ldub_user(addr);
1601 ret = lduw_user(addr);
1604 ret = ldl_user(addr);
1608 ret = ldq_user(addr);
1613 case 0x14: // Bypass
1614 case 0x15: // Bypass, non-cacheable
1615 case 0x1c: // Bypass LE
1616 case 0x1d: // Bypass, non-cacheable LE
1620 ret = ldub_phys(addr);
1623 ret = lduw_phys(addr);
1626 ret = ldl_phys(addr);
1630 ret = ldq_phys(addr);
1635 case 0x24: // Nucleus quad LDD 128 bit atomic
1636 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
1637 // Only ldda allowed
1638 raise_exception(TT_ILL_INSN);
1640 case 0x83: // Secondary no-fault
1641 case 0x8b: // Secondary no-fault LE
1642 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
1644 dump_asi("read ", last_addr, asi, size, ret);
1649 case 0x04: // Nucleus
1650 case 0x0c: // Nucleus Little Endian (LE)
1651 case 0x11: // As if user secondary
1652 case 0x19: // As if user secondary LE
1653 case 0x4a: // UPA config
1654 case 0x81: // Secondary
1655 case 0x89: // Secondary LE
1661 case 0x50: // I-MMU regs
1663 int reg = (addr >> 3) & 0xf;
1665 ret = env->immuregs[reg];
1668 case 0x51: // I-MMU 8k TSB pointer
1669 case 0x52: // I-MMU 64k TSB pointer
1672 case 0x55: // I-MMU data access
1674 int reg = (addr >> 3) & 0x3f;
1676 ret = env->itlb_tte[reg];
1679 case 0x56: // I-MMU tag read
1681 int reg = (addr >> 3) & 0x3f;
1683 ret = env->itlb_tag[reg];
1686 case 0x58: // D-MMU regs
1688 int reg = (addr >> 3) & 0xf;
1690 ret = env->dmmuregs[reg];
1693 case 0x5d: // D-MMU data access
1695 int reg = (addr >> 3) & 0x3f;
1697 ret = env->dtlb_tte[reg];
1700 case 0x5e: // D-MMU tag read
1702 int reg = (addr >> 3) & 0x3f;
1704 ret = env->dtlb_tag[reg];
1707 case 0x46: // D-cache data
1708 case 0x47: // D-cache tag access
1709 case 0x4b: // E-cache error enable
1710 case 0x4c: // E-cache asynchronous fault status
1711 case 0x4d: // E-cache asynchronous fault address
1712 case 0x4e: // E-cache tag data
1713 case 0x66: // I-cache instruction access
1714 case 0x67: // I-cache tag access
1715 case 0x6e: // I-cache predecode
1716 case 0x6f: // I-cache LRU etc.
1717 case 0x76: // E-cache tag
1718 case 0x7e: // E-cache tag
1720 case 0x59: // D-MMU 8k TSB pointer
1721 case 0x5a: // D-MMU 64k TSB pointer
1722 case 0x5b: // D-MMU data pointer
1723 case 0x48: // Interrupt dispatch, RO
1724 case 0x49: // Interrupt data receive
1725 case 0x7f: // Incoming interrupt vector, RO
1728 case 0x54: // I-MMU data in, WO
1729 case 0x57: // I-MMU demap, WO
1730 case 0x5c: // D-MMU data in, WO
1731 case 0x5f: // D-MMU demap, WO
1732 case 0x77: // Interrupt vector, WO
1734 do_unassigned_access(addr, 0, 0, 1);
1739 /* Convert from little endian */
1741 case 0x0c: // Nucleus Little Endian (LE)
1742 case 0x18: // As if user primary LE
1743 case 0x19: // As if user secondary LE
1744 case 0x1c: // Bypass LE
1745 case 0x1d: // Bypass, non-cacheable LE
1746 case 0x88: // Primary LE
1747 case 0x89: // Secondary LE
1748 case 0x8a: // Primary no-fault LE
1749 case 0x8b: // Secondary no-fault LE
1767 /* Convert to signed number */
1774 ret = (int16_t) ret;
1777 ret = (int32_t) ret;
1784 dump_asi("read ", last_addr, asi, size, ret);
1789 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1792 dump_asi("write", addr, asi, size, val);
1794 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1795 || ((env->def->features & CPU_FEATURE_HYPV)
1796 && asi >= 0x30 && asi < 0x80
1797 && !(env->hpstate & HS_PRIV)))
1798 raise_exception(TT_PRIV_ACT);
1800 helper_check_align(addr, size - 1);
1801 /* Convert to little endian */
1803 case 0x0c: // Nucleus Little Endian (LE)
1804 case 0x18: // As if user primary LE
1805 case 0x19: // As if user secondary LE
1806 case 0x1c: // Bypass LE
1807 case 0x1d: // Bypass, non-cacheable LE
1808 case 0x88: // Primary LE
1809 case 0x89: // Secondary LE
1812 addr = bswap16(addr);
1815 addr = bswap32(addr);
1818 addr = bswap64(addr);
1828 case 0x10: // As if user primary
1829 case 0x18: // As if user primary LE
1830 case 0x80: // Primary
1831 case 0x88: // Primary LE
1832 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1833 if ((env->def->features & CPU_FEATURE_HYPV)
1834 && env->hpstate & HS_PRIV) {
1837 stb_hypv(addr, val);
1840 stw_hypv(addr, val);
1843 stl_hypv(addr, val);
1847 stq_hypv(addr, val);
1853 stb_kernel(addr, val);
1856 stw_kernel(addr, val);
1859 stl_kernel(addr, val);
1863 stq_kernel(addr, val);
1870 stb_user(addr, val);
1873 stw_user(addr, val);
1876 stl_user(addr, val);
1880 stq_user(addr, val);
1885 case 0x14: // Bypass
1886 case 0x15: // Bypass, non-cacheable
1887 case 0x1c: // Bypass LE
1888 case 0x1d: // Bypass, non-cacheable LE
1892 stb_phys(addr, val);
1895 stw_phys(addr, val);
1898 stl_phys(addr, val);
1902 stq_phys(addr, val);
1907 case 0x24: // Nucleus quad LDD 128 bit atomic
1908 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
1909 // Only ldda allowed
1910 raise_exception(TT_ILL_INSN);
1912 case 0x04: // Nucleus
1913 case 0x0c: // Nucleus Little Endian (LE)
1914 case 0x11: // As if user secondary
1915 case 0x19: // As if user secondary LE
1916 case 0x4a: // UPA config
1917 case 0x81: // Secondary
1918 case 0x89: // Secondary LE
1926 env->lsu = val & (DMMU_E | IMMU_E);
1927 // Mappings generated during D/I MMU disabled mode are
1928 // invalid in normal mode
1929 if (oldreg != env->lsu) {
1930 DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n",
1939 case 0x50: // I-MMU regs
1941 int reg = (addr >> 3) & 0xf;
1944 oldreg = env->immuregs[reg];
1949 case 1: // Not in I-MMU
1956 val = 0; // Clear SFSR
1958 case 5: // TSB access
1959 case 6: // Tag access
1963 env->immuregs[reg] = val;
1964 if (oldreg != env->immuregs[reg]) {
1965 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
1966 PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
1973 case 0x54: // I-MMU data in
1977 // Try finding an invalid entry
1978 for (i = 0; i < 64; i++) {
1979 if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) {
1980 env->itlb_tag[i] = env->immuregs[6];
1981 env->itlb_tte[i] = val;
1985 // Try finding an unlocked entry
1986 for (i = 0; i < 64; i++) {
1987 if ((env->itlb_tte[i] & 0x40) == 0) {
1988 env->itlb_tag[i] = env->immuregs[6];
1989 env->itlb_tte[i] = val;
1996 case 0x55: // I-MMU data access
1998 unsigned int i = (addr >> 3) & 0x3f;
2000 env->itlb_tag[i] = env->immuregs[6];
2001 env->itlb_tte[i] = val;
2004 case 0x57: // I-MMU demap
2007 case 0x58: // D-MMU regs
2009 int reg = (addr >> 3) & 0xf;
2012 oldreg = env->dmmuregs[reg];
2018 if ((val & 1) == 0) {
2019 val = 0; // Clear SFSR, Fault address
2020 env->dmmuregs[4] = 0;
2022 env->dmmuregs[reg] = val;
2024 case 1: // Primary context
2025 case 2: // Secondary context
2026 case 5: // TSB access
2027 case 6: // Tag access
2028 case 7: // Virtual Watchpoint
2029 case 8: // Physical Watchpoint
2033 env->dmmuregs[reg] = val;
2034 if (oldreg != env->dmmuregs[reg]) {
2035 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
2036 PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
2043 case 0x5c: // D-MMU data in
2047 // Try finding an invalid entry
2048 for (i = 0; i < 64; i++) {
2049 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) {
2050 env->dtlb_tag[i] = env->dmmuregs[6];
2051 env->dtlb_tte[i] = val;
2055 // Try finding an unlocked entry
2056 for (i = 0; i < 64; i++) {
2057 if ((env->dtlb_tte[i] & 0x40) == 0) {
2058 env->dtlb_tag[i] = env->dmmuregs[6];
2059 env->dtlb_tte[i] = val;
2066 case 0x5d: // D-MMU data access
2068 unsigned int i = (addr >> 3) & 0x3f;
2070 env->dtlb_tag[i] = env->dmmuregs[6];
2071 env->dtlb_tte[i] = val;
2074 case 0x5f: // D-MMU demap
2075 case 0x49: // Interrupt data receive
2078 case 0x46: // D-cache data
2079 case 0x47: // D-cache tag access
2080 case 0x4b: // E-cache error enable
2081 case 0x4c: // E-cache asynchronous fault status
2082 case 0x4d: // E-cache asynchronous fault address
2083 case 0x4e: // E-cache tag data
2084 case 0x66: // I-cache instruction access
2085 case 0x67: // I-cache tag access
2086 case 0x6e: // I-cache predecode
2087 case 0x6f: // I-cache LRU etc.
2088 case 0x76: // E-cache tag
2089 case 0x7e: // E-cache tag
2091 case 0x51: // I-MMU 8k TSB pointer, RO
2092 case 0x52: // I-MMU 64k TSB pointer, RO
2093 case 0x56: // I-MMU tag read, RO
2094 case 0x59: // D-MMU 8k TSB pointer, RO
2095 case 0x5a: // D-MMU 64k TSB pointer, RO
2096 case 0x5b: // D-MMU data pointer, RO
2097 case 0x5e: // D-MMU tag read, RO
2098 case 0x48: // Interrupt dispatch, RO
2099 case 0x7f: // Incoming interrupt vector, RO
2100 case 0x82: // Primary no-fault, RO
2101 case 0x83: // Secondary no-fault, RO
2102 case 0x8a: // Primary no-fault LE, RO
2103 case 0x8b: // Secondary no-fault LE, RO
2105 do_unassigned_access(addr, 1, 0, 1);
2109 #endif /* CONFIG_USER_ONLY */
2111 void helper_ldda_asi(target_ulong addr, int asi, int rd)
2113 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2114 || ((env->def->features & CPU_FEATURE_HYPV)
2115 && asi >= 0x30 && asi < 0x80
2116 && !(env->hpstate & HS_PRIV)))
2117 raise_exception(TT_PRIV_ACT);
2120 case 0x24: // Nucleus quad LDD 128 bit atomic
2121 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2122 helper_check_align(addr, 0xf);
2124 env->gregs[1] = ldq_kernel(addr + 8);
2126 bswap64s(&env->gregs[1]);
2127 } else if (rd < 8) {
2128 env->gregs[rd] = ldq_kernel(addr);
2129 env->gregs[rd + 1] = ldq_kernel(addr + 8);
2131 bswap64s(&env->gregs[rd]);
2132 bswap64s(&env->gregs[rd + 1]);
2135 env->regwptr[rd] = ldq_kernel(addr);
2136 env->regwptr[rd + 1] = ldq_kernel(addr + 8);
2138 bswap64s(&env->regwptr[rd]);
2139 bswap64s(&env->regwptr[rd + 1]);
2144 helper_check_align(addr, 0x3);
2146 env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0);
2148 env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0);
2149 env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2151 env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0);
2152 env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2158 void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
2163 helper_check_align(addr, 3);
2165 case 0xf0: // Block load primary
2166 case 0xf1: // Block load secondary
2167 case 0xf8: // Block load primary LE
2168 case 0xf9: // Block load secondary LE
2170 raise_exception(TT_ILL_INSN);
2173 helper_check_align(addr, 0x3f);
2174 for (i = 0; i < 16; i++) {
2175 *(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4,
2185 val = helper_ld_asi(addr, asi, size, 0);
2189 *((uint32_t *)&env->fpr[rd]) = val;
2192 *((int64_t *)&DT0) = val;
2200 void helper_stf_asi(target_ulong addr, int asi, int size, int rd)
2203 target_ulong val = 0;
2205 helper_check_align(addr, 3);
2207 case 0xf0: // Block store primary
2208 case 0xf1: // Block store secondary
2209 case 0xf8: // Block store primary LE
2210 case 0xf9: // Block store secondary LE
2212 raise_exception(TT_ILL_INSN);
2215 helper_check_align(addr, 0x3f);
2216 for (i = 0; i < 16; i++) {
2217 val = *(uint32_t *)&env->fpr[rd++];
2218 helper_st_asi(addr, val, asi & 0x8f, 4);
2230 val = *((uint32_t *)&env->fpr[rd]);
2233 val = *((int64_t *)&DT0);
2239 helper_st_asi(addr, val, asi, size);
2242 target_ulong helper_cas_asi(target_ulong addr, target_ulong val1,
2243 target_ulong val2, uint32_t asi)
2247 val1 &= 0xffffffffUL;
2248 ret = helper_ld_asi(addr, asi, 4, 0);
2249 ret &= 0xffffffffUL;
2251 helper_st_asi(addr, val2 & 0xffffffffUL, asi, 4);
2255 target_ulong helper_casx_asi(target_ulong addr, target_ulong val1,
2256 target_ulong val2, uint32_t asi)
2260 ret = helper_ld_asi(addr, asi, 8, 0);
2262 helper_st_asi(addr, val2, asi, 8);
2265 #endif /* TARGET_SPARC64 */
2267 #ifndef TARGET_SPARC64
2268 void helper_rett(void)
2272 if (env->psret == 1)
2273 raise_exception(TT_ILL_INSN);
2276 cwp = cpu_cwp_inc(env, env->cwp + 1) ;
2277 if (env->wim & (1 << cwp)) {
2278 raise_exception(TT_WIN_UNF);
2281 env->psrs = env->psrps;
2285 target_ulong helper_udiv(target_ulong a, target_ulong b)
2290 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2294 raise_exception(TT_DIV_ZERO);
2298 if (x0 > 0xffffffff) {
2307 target_ulong helper_sdiv(target_ulong a, target_ulong b)
2312 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2316 raise_exception(TT_DIV_ZERO);
2320 if ((int32_t) x0 != x0) {
2322 return x0 < 0? 0x80000000: 0x7fffffff;
2329 uint64_t helper_pack64(target_ulong high, target_ulong low)
2331 return ((uint64_t)high << 32) | (uint64_t)(low & 0xffffffff);
2334 void helper_stdf(target_ulong addr, int mem_idx)
2336 helper_check_align(addr, 7);
2337 #if !defined(CONFIG_USER_ONLY)
2340 stfq_user(addr, DT0);
2343 stfq_kernel(addr, DT0);
2345 #ifdef TARGET_SPARC64
2347 stfq_hypv(addr, DT0);
2354 address_mask(env, &addr);
2355 stfq_raw(addr, DT0);
2359 void helper_lddf(target_ulong addr, int mem_idx)
2361 helper_check_align(addr, 7);
2362 #if !defined(CONFIG_USER_ONLY)
2365 DT0 = ldfq_user(addr);
2368 DT0 = ldfq_kernel(addr);
2370 #ifdef TARGET_SPARC64
2372 DT0 = ldfq_hypv(addr);
2379 address_mask(env, &addr);
2380 DT0 = ldfq_raw(addr);
2384 void helper_ldqf(target_ulong addr, int mem_idx)
2386 // XXX add 128 bit load
2389 helper_check_align(addr, 7);
2390 #if !defined(CONFIG_USER_ONLY)
2393 u.ll.upper = ldq_user(addr);
2394 u.ll.lower = ldq_user(addr + 8);
2398 u.ll.upper = ldq_kernel(addr);
2399 u.ll.lower = ldq_kernel(addr + 8);
2402 #ifdef TARGET_SPARC64
2404 u.ll.upper = ldq_hypv(addr);
2405 u.ll.lower = ldq_hypv(addr + 8);
2413 address_mask(env, &addr);
2414 u.ll.upper = ldq_raw(addr);
2415 u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL);
2420 void helper_stqf(target_ulong addr, int mem_idx)
2422 // XXX add 128 bit store
2425 helper_check_align(addr, 7);
2426 #if !defined(CONFIG_USER_ONLY)
2430 stq_user(addr, u.ll.upper);
2431 stq_user(addr + 8, u.ll.lower);
2435 stq_kernel(addr, u.ll.upper);
2436 stq_kernel(addr + 8, u.ll.lower);
2438 #ifdef TARGET_SPARC64
2441 stq_hypv(addr, u.ll.upper);
2442 stq_hypv(addr + 8, u.ll.lower);
2450 address_mask(env, &addr);
2451 stq_raw(addr, u.ll.upper);
2452 stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower);
2456 static inline void set_fsr(void)
2460 switch (env->fsr & FSR_RD_MASK) {
2461 case FSR_RD_NEAREST:
2462 rnd_mode = float_round_nearest_even;
2466 rnd_mode = float_round_to_zero;
2469 rnd_mode = float_round_up;
2472 rnd_mode = float_round_down;
2475 set_float_rounding_mode(rnd_mode, &env->fp_status);
2478 void helper_ldfsr(uint32_t new_fsr)
2480 env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK);
2484 #ifdef TARGET_SPARC64
2485 void helper_ldxfsr(uint64_t new_fsr)
2487 env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK);
2492 void helper_debug(void)
2494 env->exception_index = EXCP_DEBUG;
2498 #ifndef TARGET_SPARC64
2499 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2501 void helper_save(void)
2505 cwp = cpu_cwp_dec(env, env->cwp - 1);
2506 if (env->wim & (1 << cwp)) {
2507 raise_exception(TT_WIN_OVF);
2512 void helper_restore(void)
2516 cwp = cpu_cwp_inc(env, env->cwp + 1);
2517 if (env->wim & (1 << cwp)) {
2518 raise_exception(TT_WIN_UNF);
2523 void helper_wrpsr(target_ulong new_psr)
2525 if ((new_psr & PSR_CWP) >= env->nwindows)
2526 raise_exception(TT_ILL_INSN);
2528 PUT_PSR(env, new_psr);
2531 target_ulong helper_rdpsr(void)
2533 return GET_PSR(env);
2537 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2539 void helper_save(void)
2543 cwp = cpu_cwp_dec(env, env->cwp - 1);
2544 if (env->cansave == 0) {
2545 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2546 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2547 ((env->wstate & 0x7) << 2)));
2549 if (env->cleanwin - env->canrestore == 0) {
2550 // XXX Clean windows without trap
2551 raise_exception(TT_CLRWIN);
2560 void helper_restore(void)
2564 cwp = cpu_cwp_inc(env, env->cwp + 1);
2565 if (env->canrestore == 0) {
2566 raise_exception(TT_FILL | (env->otherwin != 0 ?
2567 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2568 ((env->wstate & 0x7) << 2)));
2576 void helper_flushw(void)
2578 if (env->cansave != env->nwindows - 2) {
2579 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2580 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2581 ((env->wstate & 0x7) << 2)));
2585 void helper_saved(void)
2588 if (env->otherwin == 0)
2594 void helper_restored(void)
2597 if (env->cleanwin < env->nwindows - 1)
2599 if (env->otherwin == 0)
2605 target_ulong helper_rdccr(void)
2607 return GET_CCR(env);
2610 void helper_wrccr(target_ulong new_ccr)
2612 PUT_CCR(env, new_ccr);
2615 // CWP handling is reversed in V9, but we still use the V8 register
2617 target_ulong helper_rdcwp(void)
2619 return GET_CWP64(env);
2622 void helper_wrcwp(target_ulong new_cwp)
2624 PUT_CWP64(env, new_cwp);
2627 // This function uses non-native bit order
2628 #define GET_FIELD(X, FROM, TO) \
2629 ((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
2631 // This function uses the order in the manuals, i.e. bit 0 is 2^0
2632 #define GET_FIELD_SP(X, FROM, TO) \
2633 GET_FIELD(X, 63 - (TO), 63 - (FROM))
2635 target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
2637 return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
2638 (GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
2639 (GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
2640 (GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
2641 (GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
2642 (GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
2643 (((pixel_addr >> 55) & 1) << 4) |
2644 (GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
2645 GET_FIELD_SP(pixel_addr, 11, 12);
2648 target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
2652 tmp = addr + offset;
2654 env->gsr |= tmp & 7ULL;
2658 target_ulong helper_popc(target_ulong val)
2660 return ctpop64(val);
2663 static inline uint64_t *get_gregset(uint64_t pstate)
2678 static inline void change_pstate(uint64_t new_pstate)
2680 uint64_t pstate_regs, new_pstate_regs;
2681 uint64_t *src, *dst;
2683 pstate_regs = env->pstate & 0xc01;
2684 new_pstate_regs = new_pstate & 0xc01;
2685 if (new_pstate_regs != pstate_regs) {
2686 // Switch global register bank
2687 src = get_gregset(new_pstate_regs);
2688 dst = get_gregset(pstate_regs);
2689 memcpy32(dst, env->gregs);
2690 memcpy32(env->gregs, src);
2692 env->pstate = new_pstate;
2695 void helper_wrpstate(target_ulong new_state)
2697 if (!(env->def->features & CPU_FEATURE_GL))
2698 change_pstate(new_state & 0xf3f);
2701 void helper_done(void)
2703 env->pc = env->tsptr->tpc;
2704 env->npc = env->tsptr->tnpc + 4;
2705 PUT_CCR(env, env->tsptr->tstate >> 32);
2706 env->asi = (env->tsptr->tstate >> 24) & 0xff;
2707 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2708 PUT_CWP64(env, env->tsptr->tstate & 0xff);
2710 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2713 void helper_retry(void)
2715 env->pc = env->tsptr->tpc;
2716 env->npc = env->tsptr->tnpc;
2717 PUT_CCR(env, env->tsptr->tstate >> 32);
2718 env->asi = (env->tsptr->tstate >> 24) & 0xff;
2719 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2720 PUT_CWP64(env, env->tsptr->tstate & 0xff);
2722 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2726 void helper_flush(target_ulong addr)
2729 tb_invalidate_page_range(addr, addr + 8);
2732 #ifdef TARGET_SPARC64
2734 static const char * const excp_names[0x80] = {
2735 [TT_TFAULT] = "Instruction Access Fault",
2736 [TT_TMISS] = "Instruction Access MMU Miss",
2737 [TT_CODE_ACCESS] = "Instruction Access Error",
2738 [TT_ILL_INSN] = "Illegal Instruction",
2739 [TT_PRIV_INSN] = "Privileged Instruction",
2740 [TT_NFPU_INSN] = "FPU Disabled",
2741 [TT_FP_EXCP] = "FPU Exception",
2742 [TT_TOVF] = "Tag Overflow",
2743 [TT_CLRWIN] = "Clean Windows",
2744 [TT_DIV_ZERO] = "Division By Zero",
2745 [TT_DFAULT] = "Data Access Fault",
2746 [TT_DMISS] = "Data Access MMU Miss",
2747 [TT_DATA_ACCESS] = "Data Access Error",
2748 [TT_DPROT] = "Data Protection Error",
2749 [TT_UNALIGNED] = "Unaligned Memory Access",
2750 [TT_PRIV_ACT] = "Privileged Action",
2751 [TT_EXTINT | 0x1] = "External Interrupt 1",
2752 [TT_EXTINT | 0x2] = "External Interrupt 2",
2753 [TT_EXTINT | 0x3] = "External Interrupt 3",
2754 [TT_EXTINT | 0x4] = "External Interrupt 4",
2755 [TT_EXTINT | 0x5] = "External Interrupt 5",
2756 [TT_EXTINT | 0x6] = "External Interrupt 6",
2757 [TT_EXTINT | 0x7] = "External Interrupt 7",
2758 [TT_EXTINT | 0x8] = "External Interrupt 8",
2759 [TT_EXTINT | 0x9] = "External Interrupt 9",
2760 [TT_EXTINT | 0xa] = "External Interrupt 10",
2761 [TT_EXTINT | 0xb] = "External Interrupt 11",
2762 [TT_EXTINT | 0xc] = "External Interrupt 12",
2763 [TT_EXTINT | 0xd] = "External Interrupt 13",
2764 [TT_EXTINT | 0xe] = "External Interrupt 14",
2765 [TT_EXTINT | 0xf] = "External Interrupt 15",
2769 void do_interrupt(CPUState *env)
2771 int intno = env->exception_index;
2774 if (loglevel & CPU_LOG_INT) {
2778 if (intno < 0 || intno >= 0x180)
2780 else if (intno >= 0x100)
2781 name = "Trap Instruction";
2782 else if (intno >= 0xc0)
2783 name = "Window Fill";
2784 else if (intno >= 0x80)
2785 name = "Window Spill";
2787 name = excp_names[intno];
2792 fprintf(logfile, "%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
2793 " SP=%016" PRIx64 "\n",
2796 env->npc, env->regwptr[6]);
2797 cpu_dump_state(env, logfile, fprintf, 0);
2803 fprintf(logfile, " code=");
2804 ptr = (uint8_t *)env->pc;
2805 for(i = 0; i < 16; i++) {
2806 fprintf(logfile, " %02x", ldub(ptr + i));
2808 fprintf(logfile, "\n");
2814 #if !defined(CONFIG_USER_ONLY)
2815 if (env->tl >= env->maxtl) {
2816 cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
2817 " Error state", env->exception_index, env->tl, env->maxtl);
2821 if (env->tl < env->maxtl - 1) {
2824 env->pstate |= PS_RED;
2825 if (env->tl < env->maxtl)
2828 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2829 env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
2830 ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
2832 env->tsptr->tpc = env->pc;
2833 env->tsptr->tnpc = env->npc;
2834 env->tsptr->tt = intno;
2835 if (!(env->def->features & CPU_FEATURE_GL)) {
2838 change_pstate(PS_PEF | PS_PRIV | PS_IG);
2845 change_pstate(PS_PEF | PS_PRIV | PS_MG);
2848 change_pstate(PS_PEF | PS_PRIV | PS_AG);
2852 if (intno == TT_CLRWIN)
2853 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
2854 else if ((intno & 0x1c0) == TT_SPILL)
2855 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
2856 else if ((intno & 0x1c0) == TT_FILL)
2857 cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
2858 env->tbr &= ~0x7fffULL;
2859 env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
2861 env->npc = env->pc + 4;
2862 env->exception_index = 0;
2866 static const char * const excp_names[0x80] = {
2867 [TT_TFAULT] = "Instruction Access Fault",
2868 [TT_ILL_INSN] = "Illegal Instruction",
2869 [TT_PRIV_INSN] = "Privileged Instruction",
2870 [TT_NFPU_INSN] = "FPU Disabled",
2871 [TT_WIN_OVF] = "Window Overflow",
2872 [TT_WIN_UNF] = "Window Underflow",
2873 [TT_UNALIGNED] = "Unaligned Memory Access",
2874 [TT_FP_EXCP] = "FPU Exception",
2875 [TT_DFAULT] = "Data Access Fault",
2876 [TT_TOVF] = "Tag Overflow",
2877 [TT_EXTINT | 0x1] = "External Interrupt 1",
2878 [TT_EXTINT | 0x2] = "External Interrupt 2",
2879 [TT_EXTINT | 0x3] = "External Interrupt 3",
2880 [TT_EXTINT | 0x4] = "External Interrupt 4",
2881 [TT_EXTINT | 0x5] = "External Interrupt 5",
2882 [TT_EXTINT | 0x6] = "External Interrupt 6",
2883 [TT_EXTINT | 0x7] = "External Interrupt 7",
2884 [TT_EXTINT | 0x8] = "External Interrupt 8",
2885 [TT_EXTINT | 0x9] = "External Interrupt 9",
2886 [TT_EXTINT | 0xa] = "External Interrupt 10",
2887 [TT_EXTINT | 0xb] = "External Interrupt 11",
2888 [TT_EXTINT | 0xc] = "External Interrupt 12",
2889 [TT_EXTINT | 0xd] = "External Interrupt 13",
2890 [TT_EXTINT | 0xe] = "External Interrupt 14",
2891 [TT_EXTINT | 0xf] = "External Interrupt 15",
2892 [TT_TOVF] = "Tag Overflow",
2893 [TT_CODE_ACCESS] = "Instruction Access Error",
2894 [TT_DATA_ACCESS] = "Data Access Error",
2895 [TT_DIV_ZERO] = "Division By Zero",
2896 [TT_NCP_INSN] = "Coprocessor Disabled",
2900 void do_interrupt(CPUState *env)
2902 int cwp, intno = env->exception_index;
2905 if (loglevel & CPU_LOG_INT) {
2909 if (intno < 0 || intno >= 0x100)
2911 else if (intno >= 0x80)
2912 name = "Trap Instruction";
2914 name = excp_names[intno];
2919 fprintf(logfile, "%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
2922 env->npc, env->regwptr[6]);
2923 cpu_dump_state(env, logfile, fprintf, 0);
2929 fprintf(logfile, " code=");
2930 ptr = (uint8_t *)env->pc;
2931 for(i = 0; i < 16; i++) {
2932 fprintf(logfile, " %02x", ldub(ptr + i));
2934 fprintf(logfile, "\n");
2940 #if !defined(CONFIG_USER_ONLY)
2941 if (env->psret == 0) {
2942 cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
2943 env->exception_index);
2948 cwp = cpu_cwp_dec(env, env->cwp - 1);
2949 cpu_set_cwp(env, cwp);
2950 env->regwptr[9] = env->pc;
2951 env->regwptr[10] = env->npc;
2952 env->psrps = env->psrs;
2954 env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
2956 env->npc = env->pc + 4;
2957 env->exception_index = 0;
2961 #if !defined(CONFIG_USER_ONLY)
2963 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
2966 #define MMUSUFFIX _mmu
2967 #define ALIGNED_ONLY
2970 #include "softmmu_template.h"
2973 #include "softmmu_template.h"
2976 #include "softmmu_template.h"
2979 #include "softmmu_template.h"
2981 /* XXX: make it generic ? */
2982 static void cpu_restore_state2(void *retaddr)
2984 TranslationBlock *tb;
2988 /* now we have a real cpu fault */
2989 pc = (unsigned long)retaddr;
2990 tb = tb_find_pc(pc);
2992 /* the PC is inside the translated code. It means that we have
2993 a virtual CPU fault */
2994 cpu_restore_state(tb, env, pc, (void *)(long)env->cond);
2999 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
3002 #ifdef DEBUG_UNALIGNED
3003 printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
3004 "\n", addr, env->pc);
3006 cpu_restore_state2(retaddr);
3007 raise_exception(TT_UNALIGNED);
3010 /* try to fill the TLB and return an exception if error. If retaddr is
3011 NULL, it means that the function was called in C code (i.e. not
3012 from generated code or from helper.c) */
3013 /* XXX: fix it to restore all registers */
3014 void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
3017 CPUState *saved_env;
3019 /* XXX: hack to restore env in all cases, even if not called from
3022 env = cpu_single_env;
3024 ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
3026 cpu_restore_state2(retaddr);
3034 #ifndef TARGET_SPARC64
3035 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3038 CPUState *saved_env;
3040 /* XXX: hack to restore env in all cases, even if not called from
3043 env = cpu_single_env;
3044 #ifdef DEBUG_UNASSIGNED
3046 printf("Unassigned mem %s access to " TARGET_FMT_plx
3047 " asi 0x%02x from " TARGET_FMT_lx "\n",
3048 is_exec ? "exec" : is_write ? "write" : "read", addr, is_asi,
3051 printf("Unassigned mem %s access to " TARGET_FMT_plx " from "
3053 is_exec ? "exec" : is_write ? "write" : "read", addr, env->pc);
3055 if (env->mmuregs[3]) /* Fault status register */
3056 env->mmuregs[3] = 1; /* overflow (not read before another fault) */
3058 env->mmuregs[3] |= 1 << 16;
3060 env->mmuregs[3] |= 1 << 5;
3062 env->mmuregs[3] |= 1 << 6;
3064 env->mmuregs[3] |= 1 << 7;
3065 env->mmuregs[3] |= (5 << 2) | 2;
3066 env->mmuregs[4] = addr; /* Fault address register */
3067 if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) {
3069 raise_exception(TT_CODE_ACCESS);
3071 raise_exception(TT_DATA_ACCESS);
3076 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3079 #ifdef DEBUG_UNASSIGNED
3080 CPUState *saved_env;
3082 /* XXX: hack to restore env in all cases, even if not called from
3085 env = cpu_single_env;
3086 printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx
3087 "\n", addr, env->pc);
3091 raise_exception(TT_CODE_ACCESS);
3093 raise_exception(TT_DATA_ACCESS);