2 #include "host-utils.h"
4 #if !defined(CONFIG_USER_ONLY)
5 #include "softmmu_exec.h"
6 #endif /* !defined(CONFIG_USER_ONLY) */
10 //#define DEBUG_UNALIGNED
11 //#define DEBUG_UNASSIGNED
16 #define DPRINTF_MMU(fmt, args...) \
17 do { printf("MMU: " fmt , ##args); } while (0)
19 #define DPRINTF_MMU(fmt, args...) do {} while (0)
23 #define DPRINTF_MXCC(fmt, args...) \
24 do { printf("MXCC: " fmt , ##args); } while (0)
26 #define DPRINTF_MXCC(fmt, args...) do {} while (0)
30 #define DPRINTF_ASI(fmt, args...) \
31 do { printf("ASI: " fmt , ##args); } while (0)
33 #define DPRINTF_ASI(fmt, args...) do {} while (0)
38 #define AM_CHECK(env1) ((env1)->pstate & PS_AM)
40 #define AM_CHECK(env1) (1)
44 static inline void address_mask(CPUState *env1, target_ulong *addr)
48 *addr &= 0xffffffffULL;
52 void raise_exception(int tt)
54 env->exception_index = tt;
58 static inline void set_cwp(int new_cwp)
60 cpu_set_cwp(env, new_cwp);
63 void helper_check_align(target_ulong addr, uint32_t align)
66 #ifdef DEBUG_UNALIGNED
67 printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
70 raise_exception(TT_UNALIGNED);
74 #define F_HELPER(name, p) void helper_f##name##p(void)
76 #define F_BINOP(name) \
77 float32 helper_f ## name ## s (float32 src1, float32 src2) \
79 return float32_ ## name (src1, src2, &env->fp_status); \
83 DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \
87 QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \
96 void helper_fsmuld(float32 src1, float32 src2)
98 DT0 = float64_mul(float32_to_float64(src1, &env->fp_status),
99 float32_to_float64(src2, &env->fp_status),
103 void helper_fdmulq(void)
105 QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status),
106 float64_to_float128(DT1, &env->fp_status),
110 float32 helper_fnegs(float32 src)
112 return float32_chs(src);
115 #ifdef TARGET_SPARC64
118 DT0 = float64_chs(DT1);
123 QT0 = float128_chs(QT1);
127 /* Integer to float conversion. */
128 float32 helper_fitos(int32_t src)
130 return int32_to_float32(src, &env->fp_status);
133 void helper_fitod(int32_t src)
135 DT0 = int32_to_float64(src, &env->fp_status);
138 void helper_fitoq(int32_t src)
140 QT0 = int32_to_float128(src, &env->fp_status);
143 #ifdef TARGET_SPARC64
144 float32 helper_fxtos(void)
146 return int64_to_float32(*((int64_t *)&DT1), &env->fp_status);
151 DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status);
156 QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status);
161 /* floating point conversion */
162 float32 helper_fdtos(void)
164 return float64_to_float32(DT1, &env->fp_status);
167 void helper_fstod(float32 src)
169 DT0 = float32_to_float64(src, &env->fp_status);
172 float32 helper_fqtos(void)
174 return float128_to_float32(QT1, &env->fp_status);
177 void helper_fstoq(float32 src)
179 QT0 = float32_to_float128(src, &env->fp_status);
182 void helper_fqtod(void)
184 DT0 = float128_to_float64(QT1, &env->fp_status);
187 void helper_fdtoq(void)
189 QT0 = float64_to_float128(DT1, &env->fp_status);
192 /* Float to integer conversion. */
193 int32_t helper_fstoi(float32 src)
195 return float32_to_int32_round_to_zero(src, &env->fp_status);
198 int32_t helper_fdtoi(void)
200 return float64_to_int32_round_to_zero(DT1, &env->fp_status);
203 int32_t helper_fqtoi(void)
205 return float128_to_int32_round_to_zero(QT1, &env->fp_status);
208 #ifdef TARGET_SPARC64
209 void helper_fstox(float32 src)
211 *((int64_t *)&DT0) = float32_to_int64_round_to_zero(src, &env->fp_status);
214 void helper_fdtox(void)
216 *((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status);
219 void helper_fqtox(void)
221 *((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status);
224 void helper_faligndata(void)
228 tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8);
229 /* on many architectures a shift of 64 does nothing */
230 if ((env->gsr & 7) != 0) {
231 tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8);
233 *((uint64_t *)&DT0) = tmp;
236 #ifdef WORDS_BIGENDIAN
237 #define VIS_B64(n) b[7 - (n)]
238 #define VIS_W64(n) w[3 - (n)]
239 #define VIS_SW64(n) sw[3 - (n)]
240 #define VIS_L64(n) l[1 - (n)]
241 #define VIS_B32(n) b[3 - (n)]
242 #define VIS_W32(n) w[1 - (n)]
244 #define VIS_B64(n) b[n]
245 #define VIS_W64(n) w[n]
246 #define VIS_SW64(n) sw[n]
247 #define VIS_L64(n) l[n]
248 #define VIS_B32(n) b[n]
249 #define VIS_W32(n) w[n]
267 void helper_fpmerge(void)
274 // Reverse calculation order to handle overlap
275 d.VIS_B64(7) = s.VIS_B64(3);
276 d.VIS_B64(6) = d.VIS_B64(3);
277 d.VIS_B64(5) = s.VIS_B64(2);
278 d.VIS_B64(4) = d.VIS_B64(2);
279 d.VIS_B64(3) = s.VIS_B64(1);
280 d.VIS_B64(2) = d.VIS_B64(1);
281 d.VIS_B64(1) = s.VIS_B64(0);
282 //d.VIS_B64(0) = d.VIS_B64(0);
287 void helper_fmul8x16(void)
296 tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \
297 if ((tmp & 0xff) > 0x7f) \
299 d.VIS_W64(r) = tmp >> 8;
310 void helper_fmul8x16al(void)
319 tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \
320 if ((tmp & 0xff) > 0x7f) \
322 d.VIS_W64(r) = tmp >> 8;
333 void helper_fmul8x16au(void)
342 tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
343 if ((tmp & 0xff) > 0x7f) \
345 d.VIS_W64(r) = tmp >> 8;
356 void helper_fmul8sux16(void)
365 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
366 if ((tmp & 0xff) > 0x7f) \
368 d.VIS_W64(r) = tmp >> 8;
379 void helper_fmul8ulx16(void)
388 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
389 if ((tmp & 0xff) > 0x7f) \
391 d.VIS_W64(r) = tmp >> 8;
402 void helper_fmuld8sux16(void)
411 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
412 if ((tmp & 0xff) > 0x7f) \
416 // Reverse calculation order to handle overlap
424 void helper_fmuld8ulx16(void)
433 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
434 if ((tmp & 0xff) > 0x7f) \
438 // Reverse calculation order to handle overlap
446 void helper_fexpand(void)
451 s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
453 d.VIS_L64(0) = s.VIS_W32(0) << 4;
454 d.VIS_L64(1) = s.VIS_W32(1) << 4;
455 d.VIS_L64(2) = s.VIS_W32(2) << 4;
456 d.VIS_L64(3) = s.VIS_W32(3) << 4;
461 #define VIS_HELPER(name, F) \
462 void name##16(void) \
469 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \
470 d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \
471 d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \
472 d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \
477 uint32_t name##16s(uint32_t src1, uint32_t src2) \
484 d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \
485 d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \
490 void name##32(void) \
497 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \
498 d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \
503 uint32_t name##32s(uint32_t src1, uint32_t src2) \
515 #define FADD(a, b) ((a) + (b))
516 #define FSUB(a, b) ((a) - (b))
517 VIS_HELPER(helper_fpadd, FADD)
518 VIS_HELPER(helper_fpsub, FSUB)
520 #define VIS_CMPHELPER(name, F) \
521 void name##16(void) \
528 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0))? 1: 0; \
529 d.VIS_W64(0) |= F(d.VIS_W64(1), s.VIS_W64(1))? 2: 0; \
530 d.VIS_W64(0) |= F(d.VIS_W64(2), s.VIS_W64(2))? 4: 0; \
531 d.VIS_W64(0) |= F(d.VIS_W64(3), s.VIS_W64(3))? 8: 0; \
536 void name##32(void) \
543 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0))? 1: 0; \
544 d.VIS_L64(0) |= F(d.VIS_L64(1), s.VIS_L64(1))? 2: 0; \
549 #define FCMPGT(a, b) ((a) > (b))
550 #define FCMPEQ(a, b) ((a) == (b))
551 #define FCMPLE(a, b) ((a) <= (b))
552 #define FCMPNE(a, b) ((a) != (b))
554 VIS_CMPHELPER(helper_fcmpgt, FCMPGT)
555 VIS_CMPHELPER(helper_fcmpeq, FCMPEQ)
556 VIS_CMPHELPER(helper_fcmple, FCMPLE)
557 VIS_CMPHELPER(helper_fcmpne, FCMPNE)
560 void helper_check_ieee_exceptions(void)
564 status = get_float_exception_flags(&env->fp_status);
566 /* Copy IEEE 754 flags into FSR */
567 if (status & float_flag_invalid)
569 if (status & float_flag_overflow)
571 if (status & float_flag_underflow)
573 if (status & float_flag_divbyzero)
575 if (status & float_flag_inexact)
578 if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) {
579 /* Unmasked exception, generate a trap */
580 env->fsr |= FSR_FTT_IEEE_EXCP;
581 raise_exception(TT_FP_EXCP);
583 /* Accumulate exceptions */
584 env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5;
589 void helper_clear_float_exceptions(void)
591 set_float_exception_flags(0, &env->fp_status);
594 float32 helper_fabss(float32 src)
596 return float32_abs(src);
599 #ifdef TARGET_SPARC64
600 void helper_fabsd(void)
602 DT0 = float64_abs(DT1);
605 void helper_fabsq(void)
607 QT0 = float128_abs(QT1);
611 float32 helper_fsqrts(float32 src)
613 return float32_sqrt(src, &env->fp_status);
616 void helper_fsqrtd(void)
618 DT0 = float64_sqrt(DT1, &env->fp_status);
621 void helper_fsqrtq(void)
623 QT0 = float128_sqrt(QT1, &env->fp_status);
626 #define GEN_FCMP(name, size, reg1, reg2, FS, TRAP) \
627 void glue(helper_, name) (void) \
629 target_ulong new_fsr; \
631 env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
632 switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
633 case float_relation_unordered: \
634 new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \
635 if ((env->fsr & FSR_NVM) || TRAP) { \
636 env->fsr |= new_fsr; \
637 env->fsr |= FSR_NVC; \
638 env->fsr |= FSR_FTT_IEEE_EXCP; \
639 raise_exception(TT_FP_EXCP); \
641 env->fsr |= FSR_NVA; \
644 case float_relation_less: \
645 new_fsr = FSR_FCC0 << FS; \
647 case float_relation_greater: \
648 new_fsr = FSR_FCC1 << FS; \
654 env->fsr |= new_fsr; \
656 #define GEN_FCMPS(name, size, FS, TRAP) \
657 void glue(helper_, name)(float32 src1, float32 src2) \
659 target_ulong new_fsr; \
661 env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
662 switch (glue(size, _compare) (src1, src2, &env->fp_status)) { \
663 case float_relation_unordered: \
664 new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \
665 if ((env->fsr & FSR_NVM) || TRAP) { \
666 env->fsr |= new_fsr; \
667 env->fsr |= FSR_NVC; \
668 env->fsr |= FSR_FTT_IEEE_EXCP; \
669 raise_exception(TT_FP_EXCP); \
671 env->fsr |= FSR_NVA; \
674 case float_relation_less: \
675 new_fsr = FSR_FCC0 << FS; \
677 case float_relation_greater: \
678 new_fsr = FSR_FCC1 << FS; \
684 env->fsr |= new_fsr; \
687 GEN_FCMPS(fcmps, float32, 0, 0);
688 GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0);
690 GEN_FCMPS(fcmpes, float32, 0, 1);
691 GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1);
693 GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0);
694 GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1);
696 #ifdef TARGET_SPARC64
697 GEN_FCMPS(fcmps_fcc1, float32, 22, 0);
698 GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
699 GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
701 GEN_FCMPS(fcmps_fcc2, float32, 24, 0);
702 GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
703 GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
705 GEN_FCMPS(fcmps_fcc3, float32, 26, 0);
706 GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
707 GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
709 GEN_FCMPS(fcmpes_fcc1, float32, 22, 1);
710 GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
711 GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
713 GEN_FCMPS(fcmpes_fcc2, float32, 24, 1);
714 GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
715 GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
717 GEN_FCMPS(fcmpes_fcc3, float32, 26, 1);
718 GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
719 GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
723 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
725 static void dump_mxcc(CPUState *env)
727 printf("mxccdata: %016llx %016llx %016llx %016llx\n",
728 env->mxccdata[0], env->mxccdata[1],
729 env->mxccdata[2], env->mxccdata[3]);
730 printf("mxccregs: %016llx %016llx %016llx %016llx\n"
731 " %016llx %016llx %016llx %016llx\n",
732 env->mxccregs[0], env->mxccregs[1],
733 env->mxccregs[2], env->mxccregs[3],
734 env->mxccregs[4], env->mxccregs[5],
735 env->mxccregs[6], env->mxccregs[7]);
739 #if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
740 && defined(DEBUG_ASI)
741 static void dump_asi(const char *txt, target_ulong addr, int asi, int size,
747 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt,
748 addr, asi, r1 & 0xff);
751 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt,
752 addr, asi, r1 & 0xffff);
755 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt,
756 addr, asi, r1 & 0xffffffff);
759 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt,
766 #ifndef TARGET_SPARC64
767 #ifndef CONFIG_USER_ONLY
768 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
771 #if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
772 uint32_t last_addr = addr;
775 helper_check_align(addr, size - 1);
777 case 2: /* SuperSparc MXCC registers */
779 case 0x01c00a00: /* MXCC control register */
781 ret = env->mxccregs[3];
783 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
786 case 0x01c00a04: /* MXCC control register */
788 ret = env->mxccregs[3];
790 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
793 case 0x01c00c00: /* Module reset register */
795 ret = env->mxccregs[5];
796 // should we do something here?
798 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
801 case 0x01c00f00: /* MBus port address register */
803 ret = env->mxccregs[7];
805 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
809 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
813 DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
814 "addr = %08x -> ret = %08x,"
815 "addr = %08x\n", asi, size, sign, last_addr, ret, addr);
820 case 3: /* MMU probe */
824 mmulev = (addr >> 8) & 15;
828 ret = mmu_probe(env, addr, mmulev);
829 DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n",
833 case 4: /* read MMU regs */
835 int reg = (addr >> 8) & 0x1f;
837 ret = env->mmuregs[reg];
838 if (reg == 3) /* Fault status cleared on read */
840 else if (reg == 0x13) /* Fault status read */
841 ret = env->mmuregs[3];
842 else if (reg == 0x14) /* Fault address read */
843 ret = env->mmuregs[4];
844 DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret);
847 case 5: // Turbosparc ITLB Diagnostic
848 case 6: // Turbosparc DTLB Diagnostic
849 case 7: // Turbosparc IOTLB Diagnostic
851 case 9: /* Supervisor code access */
854 ret = ldub_code(addr);
857 ret = lduw_code(addr);
861 ret = ldl_code(addr);
864 ret = ldq_code(addr);
868 case 0xa: /* User data access */
871 ret = ldub_user(addr);
874 ret = lduw_user(addr);
878 ret = ldl_user(addr);
881 ret = ldq_user(addr);
885 case 0xb: /* Supervisor data access */
888 ret = ldub_kernel(addr);
891 ret = lduw_kernel(addr);
895 ret = ldl_kernel(addr);
898 ret = ldq_kernel(addr);
902 case 0xc: /* I-cache tag */
903 case 0xd: /* I-cache data */
904 case 0xe: /* D-cache tag */
905 case 0xf: /* D-cache data */
907 case 0x20: /* MMU passthrough */
910 ret = ldub_phys(addr);
913 ret = lduw_phys(addr);
917 ret = ldl_phys(addr);
920 ret = ldq_phys(addr);
924 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
927 ret = ldub_phys((target_phys_addr_t)addr
928 | ((target_phys_addr_t)(asi & 0xf) << 32));
931 ret = lduw_phys((target_phys_addr_t)addr
932 | ((target_phys_addr_t)(asi & 0xf) << 32));
936 ret = ldl_phys((target_phys_addr_t)addr
937 | ((target_phys_addr_t)(asi & 0xf) << 32));
940 ret = ldq_phys((target_phys_addr_t)addr
941 | ((target_phys_addr_t)(asi & 0xf) << 32));
945 case 0x30: // Turbosparc secondary cache diagnostic
946 case 0x31: // Turbosparc RAM snoop
947 case 0x32: // Turbosparc page table descriptor diagnostic
948 case 0x39: /* data cache diagnostic register */
951 case 8: /* User code access, XXX */
953 do_unassigned_access(addr, 0, 0, asi);
973 dump_asi("read ", last_addr, asi, size, ret);
978 void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size)
980 helper_check_align(addr, size - 1);
982 case 2: /* SuperSparc MXCC registers */
984 case 0x01c00000: /* MXCC stream data register 0 */
986 env->mxccdata[0] = val;
988 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
991 case 0x01c00008: /* MXCC stream data register 1 */
993 env->mxccdata[1] = val;
995 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
998 case 0x01c00010: /* MXCC stream data register 2 */
1000 env->mxccdata[2] = val;
1002 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1005 case 0x01c00018: /* MXCC stream data register 3 */
1007 env->mxccdata[3] = val;
1009 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1012 case 0x01c00100: /* MXCC stream source */
1014 env->mxccregs[0] = val;
1016 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1018 env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1020 env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1022 env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1024 env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1027 case 0x01c00200: /* MXCC stream destination */
1029 env->mxccregs[1] = val;
1031 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1033 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0,
1035 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8,
1037 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16,
1039 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24,
1042 case 0x01c00a00: /* MXCC control register */
1044 env->mxccregs[3] = val;
1046 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1049 case 0x01c00a04: /* MXCC control register */
1051 env->mxccregs[3] = (env->mxccregs[3] & 0xffffffff00000000ULL)
1054 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1057 case 0x01c00e00: /* MXCC error register */
1058 // writing a 1 bit clears the error
1060 env->mxccregs[6] &= ~val;
1062 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1065 case 0x01c00f00: /* MBus port address register */
1067 env->mxccregs[7] = val;
1069 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1073 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1077 DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %08x\n", asi,
1083 case 3: /* MMU flush */
1087 mmulev = (addr >> 8) & 15;
1088 DPRINTF_MMU("mmu flush level %d\n", mmulev);
1090 case 0: // flush page
1091 tlb_flush_page(env, addr & 0xfffff000);
1093 case 1: // flush segment (256k)
1094 case 2: // flush region (16M)
1095 case 3: // flush context (4G)
1096 case 4: // flush entire
1107 case 4: /* write MMU regs */
1109 int reg = (addr >> 8) & 0x1f;
1112 oldreg = env->mmuregs[reg];
1114 case 0: // Control Register
1115 env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
1117 // Mappings generated during no-fault mode or MMU
1118 // disabled mode are invalid in normal mode
1119 if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) !=
1120 (env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm)))
1123 case 1: // Context Table Pointer Register
1124 env->mmuregs[reg] = val & env->def->mmu_ctpr_mask;
1126 case 2: // Context Register
1127 env->mmuregs[reg] = val & env->def->mmu_cxr_mask;
1128 if (oldreg != env->mmuregs[reg]) {
1129 /* we flush when the MMU context changes because
1130 QEMU has no MMU context support */
1134 case 3: // Synchronous Fault Status Register with Clear
1135 case 4: // Synchronous Fault Address Register
1137 case 0x10: // TLB Replacement Control Register
1138 env->mmuregs[reg] = val & env->def->mmu_trcr_mask;
1140 case 0x13: // Synchronous Fault Status Register with Read and Clear
1141 env->mmuregs[3] = val & env->def->mmu_sfsr_mask;
1143 case 0x14: // Synchronous Fault Address Register
1144 env->mmuregs[4] = val;
1147 env->mmuregs[reg] = val;
1150 if (oldreg != env->mmuregs[reg]) {
1151 DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
1152 reg, oldreg, env->mmuregs[reg]);
1159 case 5: // Turbosparc ITLB Diagnostic
1160 case 6: // Turbosparc DTLB Diagnostic
1161 case 7: // Turbosparc IOTLB Diagnostic
1163 case 0xa: /* User data access */
1166 stb_user(addr, val);
1169 stw_user(addr, val);
1173 stl_user(addr, val);
1176 stq_user(addr, val);
1180 case 0xb: /* Supervisor data access */
1183 stb_kernel(addr, val);
1186 stw_kernel(addr, val);
1190 stl_kernel(addr, val);
1193 stq_kernel(addr, val);
1197 case 0xc: /* I-cache tag */
1198 case 0xd: /* I-cache data */
1199 case 0xe: /* D-cache tag */
1200 case 0xf: /* D-cache data */
1201 case 0x10: /* I/D-cache flush page */
1202 case 0x11: /* I/D-cache flush segment */
1203 case 0x12: /* I/D-cache flush region */
1204 case 0x13: /* I/D-cache flush context */
1205 case 0x14: /* I/D-cache flush user */
1207 case 0x17: /* Block copy, sta access */
1213 uint32_t src = val & ~3, dst = addr & ~3, temp;
1215 for (i = 0; i < 32; i += 4, src += 4, dst += 4) {
1216 temp = ldl_kernel(src);
1217 stl_kernel(dst, temp);
1221 case 0x1f: /* Block fill, stda access */
1224 // fill 32 bytes with val
1226 uint32_t dst = addr & 7;
1228 for (i = 0; i < 32; i += 8, dst += 8)
1229 stq_kernel(dst, val);
1232 case 0x20: /* MMU passthrough */
1236 stb_phys(addr, val);
1239 stw_phys(addr, val);
1243 stl_phys(addr, val);
1246 stq_phys(addr, val);
1251 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1255 stb_phys((target_phys_addr_t)addr
1256 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1259 stw_phys((target_phys_addr_t)addr
1260 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1264 stl_phys((target_phys_addr_t)addr
1265 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1268 stq_phys((target_phys_addr_t)addr
1269 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1274 case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic
1275 case 0x31: // store buffer data, Ross RT620 I-cache flush or
1276 // Turbosparc snoop RAM
1277 case 0x32: // store buffer control or Turbosparc page table
1278 // descriptor diagnostic
1279 case 0x36: /* I-cache flash clear */
1280 case 0x37: /* D-cache flash clear */
1281 case 0x38: /* breakpoint diagnostics */
1282 case 0x4c: /* breakpoint action */
1284 case 8: /* User code access, XXX */
1285 case 9: /* Supervisor code access, XXX */
1287 do_unassigned_access(addr, 1, 0, asi);
1291 dump_asi("write", addr, asi, size, val);
1295 #endif /* CONFIG_USER_ONLY */
1296 #else /* TARGET_SPARC64 */
1298 #ifdef CONFIG_USER_ONLY
1299 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1302 #if defined(DEBUG_ASI)
1303 target_ulong last_addr = addr;
1307 raise_exception(TT_PRIV_ACT);
1309 helper_check_align(addr, size - 1);
1310 address_mask(env, &addr);
1313 case 0x82: // Primary no-fault
1314 case 0x8a: // Primary no-fault LE
1315 if (page_check_range(addr, size, PAGE_READ) == -1) {
1317 dump_asi("read ", last_addr, asi, size, ret);
1322 case 0x80: // Primary
1323 case 0x88: // Primary LE
1327 ret = ldub_raw(addr);
1330 ret = lduw_raw(addr);
1333 ret = ldl_raw(addr);
1337 ret = ldq_raw(addr);
1342 case 0x83: // Secondary no-fault
1343 case 0x8b: // Secondary no-fault LE
1344 if (page_check_range(addr, size, PAGE_READ) == -1) {
1346 dump_asi("read ", last_addr, asi, size, ret);
1351 case 0x81: // Secondary
1352 case 0x89: // Secondary LE
1359 /* Convert from little endian */
1361 case 0x88: // Primary LE
1362 case 0x89: // Secondary LE
1363 case 0x8a: // Primary no-fault LE
1364 case 0x8b: // Secondary no-fault LE
1382 /* Convert to signed number */
1389 ret = (int16_t) ret;
1392 ret = (int32_t) ret;
1399 dump_asi("read ", last_addr, asi, size, ret);
1404 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1407 dump_asi("write", addr, asi, size, val);
1410 raise_exception(TT_PRIV_ACT);
1412 helper_check_align(addr, size - 1);
1413 address_mask(env, &addr);
1415 /* Convert to little endian */
1417 case 0x88: // Primary LE
1418 case 0x89: // Secondary LE
1421 addr = bswap16(addr);
1424 addr = bswap32(addr);
1427 addr = bswap64(addr);
1437 case 0x80: // Primary
1438 case 0x88: // Primary LE
1457 case 0x81: // Secondary
1458 case 0x89: // Secondary LE
1462 case 0x82: // Primary no-fault, RO
1463 case 0x83: // Secondary no-fault, RO
1464 case 0x8a: // Primary no-fault LE, RO
1465 case 0x8b: // Secondary no-fault LE, RO
1467 do_unassigned_access(addr, 1, 0, 1);
1472 #else /* CONFIG_USER_ONLY */
1474 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1477 #if defined(DEBUG_ASI)
1478 target_ulong last_addr = addr;
1481 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1482 || ((env->def->features & CPU_FEATURE_HYPV)
1483 && asi >= 0x30 && asi < 0x80
1484 && !(env->hpstate & HS_PRIV)))
1485 raise_exception(TT_PRIV_ACT);
1487 helper_check_align(addr, size - 1);
1489 case 0x82: // Primary no-fault
1490 case 0x8a: // Primary no-fault LE
1491 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
1493 dump_asi("read ", last_addr, asi, size, ret);
1498 case 0x10: // As if user primary
1499 case 0x18: // As if user primary LE
1500 case 0x80: // Primary
1501 case 0x88: // Primary LE
1502 case 0xe2: // UA2007 Primary block init
1503 case 0xe3: // UA2007 Secondary block init
1504 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1505 if ((env->def->features & CPU_FEATURE_HYPV)
1506 && env->hpstate & HS_PRIV) {
1509 ret = ldub_hypv(addr);
1512 ret = lduw_hypv(addr);
1515 ret = ldl_hypv(addr);
1519 ret = ldq_hypv(addr);
1525 ret = ldub_kernel(addr);
1528 ret = lduw_kernel(addr);
1531 ret = ldl_kernel(addr);
1535 ret = ldq_kernel(addr);
1542 ret = ldub_user(addr);
1545 ret = lduw_user(addr);
1548 ret = ldl_user(addr);
1552 ret = ldq_user(addr);
1557 case 0x14: // Bypass
1558 case 0x15: // Bypass, non-cacheable
1559 case 0x1c: // Bypass LE
1560 case 0x1d: // Bypass, non-cacheable LE
1564 ret = ldub_phys(addr);
1567 ret = lduw_phys(addr);
1570 ret = ldl_phys(addr);
1574 ret = ldq_phys(addr);
1579 case 0x24: // Nucleus quad LDD 128 bit atomic
1580 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
1581 // Only ldda allowed
1582 raise_exception(TT_ILL_INSN);
1584 case 0x83: // Secondary no-fault
1585 case 0x8b: // Secondary no-fault LE
1586 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
1588 dump_asi("read ", last_addr, asi, size, ret);
1593 case 0x04: // Nucleus
1594 case 0x0c: // Nucleus Little Endian (LE)
1595 case 0x11: // As if user secondary
1596 case 0x19: // As if user secondary LE
1597 case 0x4a: // UPA config
1598 case 0x81: // Secondary
1599 case 0x89: // Secondary LE
1605 case 0x50: // I-MMU regs
1607 int reg = (addr >> 3) & 0xf;
1609 ret = env->immuregs[reg];
1612 case 0x51: // I-MMU 8k TSB pointer
1613 case 0x52: // I-MMU 64k TSB pointer
1616 case 0x55: // I-MMU data access
1618 int reg = (addr >> 3) & 0x3f;
1620 ret = env->itlb_tte[reg];
1623 case 0x56: // I-MMU tag read
1625 int reg = (addr >> 3) & 0x3f;
1627 ret = env->itlb_tag[reg];
1630 case 0x58: // D-MMU regs
1632 int reg = (addr >> 3) & 0xf;
1634 ret = env->dmmuregs[reg];
1637 case 0x5d: // D-MMU data access
1639 int reg = (addr >> 3) & 0x3f;
1641 ret = env->dtlb_tte[reg];
1644 case 0x5e: // D-MMU tag read
1646 int reg = (addr >> 3) & 0x3f;
1648 ret = env->dtlb_tag[reg];
1651 case 0x46: // D-cache data
1652 case 0x47: // D-cache tag access
1653 case 0x4b: // E-cache error enable
1654 case 0x4c: // E-cache asynchronous fault status
1655 case 0x4d: // E-cache asynchronous fault address
1656 case 0x4e: // E-cache tag data
1657 case 0x66: // I-cache instruction access
1658 case 0x67: // I-cache tag access
1659 case 0x6e: // I-cache predecode
1660 case 0x6f: // I-cache LRU etc.
1661 case 0x76: // E-cache tag
1662 case 0x7e: // E-cache tag
1664 case 0x59: // D-MMU 8k TSB pointer
1665 case 0x5a: // D-MMU 64k TSB pointer
1666 case 0x5b: // D-MMU data pointer
1667 case 0x48: // Interrupt dispatch, RO
1668 case 0x49: // Interrupt data receive
1669 case 0x7f: // Incoming interrupt vector, RO
1672 case 0x54: // I-MMU data in, WO
1673 case 0x57: // I-MMU demap, WO
1674 case 0x5c: // D-MMU data in, WO
1675 case 0x5f: // D-MMU demap, WO
1676 case 0x77: // Interrupt vector, WO
1678 do_unassigned_access(addr, 0, 0, 1);
1683 /* Convert from little endian */
1685 case 0x0c: // Nucleus Little Endian (LE)
1686 case 0x18: // As if user primary LE
1687 case 0x19: // As if user secondary LE
1688 case 0x1c: // Bypass LE
1689 case 0x1d: // Bypass, non-cacheable LE
1690 case 0x88: // Primary LE
1691 case 0x89: // Secondary LE
1692 case 0x8a: // Primary no-fault LE
1693 case 0x8b: // Secondary no-fault LE
1711 /* Convert to signed number */
1718 ret = (int16_t) ret;
1721 ret = (int32_t) ret;
1728 dump_asi("read ", last_addr, asi, size, ret);
1733 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1736 dump_asi("write", addr, asi, size, val);
1738 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1739 || ((env->def->features & CPU_FEATURE_HYPV)
1740 && asi >= 0x30 && asi < 0x80
1741 && !(env->hpstate & HS_PRIV)))
1742 raise_exception(TT_PRIV_ACT);
1744 helper_check_align(addr, size - 1);
1745 /* Convert to little endian */
1747 case 0x0c: // Nucleus Little Endian (LE)
1748 case 0x18: // As if user primary LE
1749 case 0x19: // As if user secondary LE
1750 case 0x1c: // Bypass LE
1751 case 0x1d: // Bypass, non-cacheable LE
1752 case 0x88: // Primary LE
1753 case 0x89: // Secondary LE
1756 addr = bswap16(addr);
1759 addr = bswap32(addr);
1762 addr = bswap64(addr);
1772 case 0x10: // As if user primary
1773 case 0x18: // As if user primary LE
1774 case 0x80: // Primary
1775 case 0x88: // Primary LE
1776 case 0xe2: // UA2007 Primary block init
1777 case 0xe3: // UA2007 Secondary block init
1778 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1779 if ((env->def->features & CPU_FEATURE_HYPV)
1780 && env->hpstate & HS_PRIV) {
1783 stb_hypv(addr, val);
1786 stw_hypv(addr, val);
1789 stl_hypv(addr, val);
1793 stq_hypv(addr, val);
1799 stb_kernel(addr, val);
1802 stw_kernel(addr, val);
1805 stl_kernel(addr, val);
1809 stq_kernel(addr, val);
1816 stb_user(addr, val);
1819 stw_user(addr, val);
1822 stl_user(addr, val);
1826 stq_user(addr, val);
1831 case 0x14: // Bypass
1832 case 0x15: // Bypass, non-cacheable
1833 case 0x1c: // Bypass LE
1834 case 0x1d: // Bypass, non-cacheable LE
1838 stb_phys(addr, val);
1841 stw_phys(addr, val);
1844 stl_phys(addr, val);
1848 stq_phys(addr, val);
1853 case 0x24: // Nucleus quad LDD 128 bit atomic
1854 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
1855 // Only ldda allowed
1856 raise_exception(TT_ILL_INSN);
1858 case 0x04: // Nucleus
1859 case 0x0c: // Nucleus Little Endian (LE)
1860 case 0x11: // As if user secondary
1861 case 0x19: // As if user secondary LE
1862 case 0x4a: // UPA config
1863 case 0x81: // Secondary
1864 case 0x89: // Secondary LE
1872 env->lsu = val & (DMMU_E | IMMU_E);
1873 // Mappings generated during D/I MMU disabled mode are
1874 // invalid in normal mode
1875 if (oldreg != env->lsu) {
1876 DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n",
1885 case 0x50: // I-MMU regs
1887 int reg = (addr >> 3) & 0xf;
1890 oldreg = env->immuregs[reg];
1895 case 1: // Not in I-MMU
1902 val = 0; // Clear SFSR
1904 case 5: // TSB access
1905 case 6: // Tag access
1909 env->immuregs[reg] = val;
1910 if (oldreg != env->immuregs[reg]) {
1911 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
1912 PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
1919 case 0x54: // I-MMU data in
1923 // Try finding an invalid entry
1924 for (i = 0; i < 64; i++) {
1925 if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) {
1926 env->itlb_tag[i] = env->immuregs[6];
1927 env->itlb_tte[i] = val;
1931 // Try finding an unlocked entry
1932 for (i = 0; i < 64; i++) {
1933 if ((env->itlb_tte[i] & 0x40) == 0) {
1934 env->itlb_tag[i] = env->immuregs[6];
1935 env->itlb_tte[i] = val;
1942 case 0x55: // I-MMU data access
1944 unsigned int i = (addr >> 3) & 0x3f;
1946 env->itlb_tag[i] = env->immuregs[6];
1947 env->itlb_tte[i] = val;
1950 case 0x57: // I-MMU demap
1953 case 0x58: // D-MMU regs
1955 int reg = (addr >> 3) & 0xf;
1958 oldreg = env->dmmuregs[reg];
1964 if ((val & 1) == 0) {
1965 val = 0; // Clear SFSR, Fault address
1966 env->dmmuregs[4] = 0;
1968 env->dmmuregs[reg] = val;
1970 case 1: // Primary context
1971 case 2: // Secondary context
1972 case 5: // TSB access
1973 case 6: // Tag access
1974 case 7: // Virtual Watchpoint
1975 case 8: // Physical Watchpoint
1979 env->dmmuregs[reg] = val;
1980 if (oldreg != env->dmmuregs[reg]) {
1981 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
1982 PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
1989 case 0x5c: // D-MMU data in
1993 // Try finding an invalid entry
1994 for (i = 0; i < 64; i++) {
1995 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) {
1996 env->dtlb_tag[i] = env->dmmuregs[6];
1997 env->dtlb_tte[i] = val;
2001 // Try finding an unlocked entry
2002 for (i = 0; i < 64; i++) {
2003 if ((env->dtlb_tte[i] & 0x40) == 0) {
2004 env->dtlb_tag[i] = env->dmmuregs[6];
2005 env->dtlb_tte[i] = val;
2012 case 0x5d: // D-MMU data access
2014 unsigned int i = (addr >> 3) & 0x3f;
2016 env->dtlb_tag[i] = env->dmmuregs[6];
2017 env->dtlb_tte[i] = val;
2020 case 0x5f: // D-MMU demap
2021 case 0x49: // Interrupt data receive
2024 case 0x46: // D-cache data
2025 case 0x47: // D-cache tag access
2026 case 0x4b: // E-cache error enable
2027 case 0x4c: // E-cache asynchronous fault status
2028 case 0x4d: // E-cache asynchronous fault address
2029 case 0x4e: // E-cache tag data
2030 case 0x66: // I-cache instruction access
2031 case 0x67: // I-cache tag access
2032 case 0x6e: // I-cache predecode
2033 case 0x6f: // I-cache LRU etc.
2034 case 0x76: // E-cache tag
2035 case 0x7e: // E-cache tag
2037 case 0x51: // I-MMU 8k TSB pointer, RO
2038 case 0x52: // I-MMU 64k TSB pointer, RO
2039 case 0x56: // I-MMU tag read, RO
2040 case 0x59: // D-MMU 8k TSB pointer, RO
2041 case 0x5a: // D-MMU 64k TSB pointer, RO
2042 case 0x5b: // D-MMU data pointer, RO
2043 case 0x5e: // D-MMU tag read, RO
2044 case 0x48: // Interrupt dispatch, RO
2045 case 0x7f: // Incoming interrupt vector, RO
2046 case 0x82: // Primary no-fault, RO
2047 case 0x83: // Secondary no-fault, RO
2048 case 0x8a: // Primary no-fault LE, RO
2049 case 0x8b: // Secondary no-fault LE, RO
2051 do_unassigned_access(addr, 1, 0, 1);
2055 #endif /* CONFIG_USER_ONLY */
2057 void helper_ldda_asi(target_ulong addr, int asi, int rd)
2059 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2060 || ((env->def->features & CPU_FEATURE_HYPV)
2061 && asi >= 0x30 && asi < 0x80
2062 && !(env->hpstate & HS_PRIV)))
2063 raise_exception(TT_PRIV_ACT);
2066 case 0x24: // Nucleus quad LDD 128 bit atomic
2067 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2068 helper_check_align(addr, 0xf);
2070 env->gregs[1] = ldq_kernel(addr + 8);
2072 bswap64s(&env->gregs[1]);
2073 } else if (rd < 8) {
2074 env->gregs[rd] = ldq_kernel(addr);
2075 env->gregs[rd + 1] = ldq_kernel(addr + 8);
2077 bswap64s(&env->gregs[rd]);
2078 bswap64s(&env->gregs[rd + 1]);
2081 env->regwptr[rd] = ldq_kernel(addr);
2082 env->regwptr[rd + 1] = ldq_kernel(addr + 8);
2084 bswap64s(&env->regwptr[rd]);
2085 bswap64s(&env->regwptr[rd + 1]);
2090 helper_check_align(addr, 0x3);
2092 env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0);
2094 env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0);
2095 env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2097 env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0);
2098 env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2104 void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
2109 helper_check_align(addr, 3);
2111 case 0xf0: // Block load primary
2112 case 0xf1: // Block load secondary
2113 case 0xf8: // Block load primary LE
2114 case 0xf9: // Block load secondary LE
2116 raise_exception(TT_ILL_INSN);
2119 helper_check_align(addr, 0x3f);
2120 for (i = 0; i < 16; i++) {
2121 *(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4,
2131 val = helper_ld_asi(addr, asi, size, 0);
2135 *((uint32_t *)&env->fpr[rd]) = val;
2138 *((int64_t *)&DT0) = val;
2146 void helper_stf_asi(target_ulong addr, int asi, int size, int rd)
2149 target_ulong val = 0;
2151 helper_check_align(addr, 3);
2153 case 0xe0: // UA2007 Block commit store primary (cache flush)
2154 case 0xe1: // UA2007 Block commit store secondary (cache flush)
2155 case 0xf0: // Block store primary
2156 case 0xf1: // Block store secondary
2157 case 0xf8: // Block store primary LE
2158 case 0xf9: // Block store secondary LE
2160 raise_exception(TT_ILL_INSN);
2163 helper_check_align(addr, 0x3f);
2164 for (i = 0; i < 16; i++) {
2165 val = *(uint32_t *)&env->fpr[rd++];
2166 helper_st_asi(addr, val, asi & 0x8f, 4);
2178 val = *((uint32_t *)&env->fpr[rd]);
2181 val = *((int64_t *)&DT0);
2187 helper_st_asi(addr, val, asi, size);
2190 target_ulong helper_cas_asi(target_ulong addr, target_ulong val1,
2191 target_ulong val2, uint32_t asi)
2195 val2 &= 0xffffffffUL;
2196 ret = helper_ld_asi(addr, asi, 4, 0);
2197 ret &= 0xffffffffUL;
2199 helper_st_asi(addr, val1 & 0xffffffffUL, asi, 4);
2203 target_ulong helper_casx_asi(target_ulong addr, target_ulong val1,
2204 target_ulong val2, uint32_t asi)
2208 ret = helper_ld_asi(addr, asi, 8, 0);
2210 helper_st_asi(addr, val1, asi, 8);
2213 #endif /* TARGET_SPARC64 */
2215 #ifndef TARGET_SPARC64
2216 void helper_rett(void)
2220 if (env->psret == 1)
2221 raise_exception(TT_ILL_INSN);
2224 cwp = cpu_cwp_inc(env, env->cwp + 1) ;
2225 if (env->wim & (1 << cwp)) {
2226 raise_exception(TT_WIN_UNF);
2229 env->psrs = env->psrps;
2233 target_ulong helper_udiv(target_ulong a, target_ulong b)
2238 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2242 raise_exception(TT_DIV_ZERO);
2246 if (x0 > 0xffffffff) {
2255 target_ulong helper_sdiv(target_ulong a, target_ulong b)
2260 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2264 raise_exception(TT_DIV_ZERO);
2268 if ((int32_t) x0 != x0) {
2270 return x0 < 0? 0x80000000: 0x7fffffff;
2277 void helper_stdf(target_ulong addr, int mem_idx)
2279 helper_check_align(addr, 7);
2280 #if !defined(CONFIG_USER_ONLY)
2283 stfq_user(addr, DT0);
2286 stfq_kernel(addr, DT0);
2288 #ifdef TARGET_SPARC64
2290 stfq_hypv(addr, DT0);
2297 address_mask(env, &addr);
2298 stfq_raw(addr, DT0);
2302 void helper_lddf(target_ulong addr, int mem_idx)
2304 helper_check_align(addr, 7);
2305 #if !defined(CONFIG_USER_ONLY)
2308 DT0 = ldfq_user(addr);
2311 DT0 = ldfq_kernel(addr);
2313 #ifdef TARGET_SPARC64
2315 DT0 = ldfq_hypv(addr);
2322 address_mask(env, &addr);
2323 DT0 = ldfq_raw(addr);
2327 void helper_ldqf(target_ulong addr, int mem_idx)
2329 // XXX add 128 bit load
2332 helper_check_align(addr, 7);
2333 #if !defined(CONFIG_USER_ONLY)
2336 u.ll.upper = ldq_user(addr);
2337 u.ll.lower = ldq_user(addr + 8);
2341 u.ll.upper = ldq_kernel(addr);
2342 u.ll.lower = ldq_kernel(addr + 8);
2345 #ifdef TARGET_SPARC64
2347 u.ll.upper = ldq_hypv(addr);
2348 u.ll.lower = ldq_hypv(addr + 8);
2356 address_mask(env, &addr);
2357 u.ll.upper = ldq_raw(addr);
2358 u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL);
2363 void helper_stqf(target_ulong addr, int mem_idx)
2365 // XXX add 128 bit store
2368 helper_check_align(addr, 7);
2369 #if !defined(CONFIG_USER_ONLY)
2373 stq_user(addr, u.ll.upper);
2374 stq_user(addr + 8, u.ll.lower);
2378 stq_kernel(addr, u.ll.upper);
2379 stq_kernel(addr + 8, u.ll.lower);
2381 #ifdef TARGET_SPARC64
2384 stq_hypv(addr, u.ll.upper);
2385 stq_hypv(addr + 8, u.ll.lower);
2393 address_mask(env, &addr);
2394 stq_raw(addr, u.ll.upper);
2395 stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower);
2399 static inline void set_fsr(void)
2403 switch (env->fsr & FSR_RD_MASK) {
2404 case FSR_RD_NEAREST:
2405 rnd_mode = float_round_nearest_even;
2409 rnd_mode = float_round_to_zero;
2412 rnd_mode = float_round_up;
2415 rnd_mode = float_round_down;
2418 set_float_rounding_mode(rnd_mode, &env->fp_status);
2421 void helper_ldfsr(uint32_t new_fsr)
2423 env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK);
2427 #ifdef TARGET_SPARC64
2428 void helper_ldxfsr(uint64_t new_fsr)
2430 env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK);
2435 void helper_debug(void)
2437 env->exception_index = EXCP_DEBUG;
2441 #ifndef TARGET_SPARC64
2442 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2444 void helper_save(void)
2448 cwp = cpu_cwp_dec(env, env->cwp - 1);
2449 if (env->wim & (1 << cwp)) {
2450 raise_exception(TT_WIN_OVF);
2455 void helper_restore(void)
2459 cwp = cpu_cwp_inc(env, env->cwp + 1);
2460 if (env->wim & (1 << cwp)) {
2461 raise_exception(TT_WIN_UNF);
2466 void helper_wrpsr(target_ulong new_psr)
2468 if ((new_psr & PSR_CWP) >= env->nwindows)
2469 raise_exception(TT_ILL_INSN);
2471 PUT_PSR(env, new_psr);
2474 target_ulong helper_rdpsr(void)
2476 return GET_PSR(env);
2480 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2482 void helper_save(void)
2486 cwp = cpu_cwp_dec(env, env->cwp - 1);
2487 if (env->cansave == 0) {
2488 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2489 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2490 ((env->wstate & 0x7) << 2)));
2492 if (env->cleanwin - env->canrestore == 0) {
2493 // XXX Clean windows without trap
2494 raise_exception(TT_CLRWIN);
2503 void helper_restore(void)
2507 cwp = cpu_cwp_inc(env, env->cwp + 1);
2508 if (env->canrestore == 0) {
2509 raise_exception(TT_FILL | (env->otherwin != 0 ?
2510 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2511 ((env->wstate & 0x7) << 2)));
2519 void helper_flushw(void)
2521 if (env->cansave != env->nwindows - 2) {
2522 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2523 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2524 ((env->wstate & 0x7) << 2)));
2528 void helper_saved(void)
2531 if (env->otherwin == 0)
2537 void helper_restored(void)
2540 if (env->cleanwin < env->nwindows - 1)
2542 if (env->otherwin == 0)
2548 target_ulong helper_rdccr(void)
2550 return GET_CCR(env);
2553 void helper_wrccr(target_ulong new_ccr)
2555 PUT_CCR(env, new_ccr);
2558 // CWP handling is reversed in V9, but we still use the V8 register
2560 target_ulong helper_rdcwp(void)
2562 return GET_CWP64(env);
2565 void helper_wrcwp(target_ulong new_cwp)
2567 PUT_CWP64(env, new_cwp);
2570 // This function uses non-native bit order
2571 #define GET_FIELD(X, FROM, TO) \
2572 ((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
2574 // This function uses the order in the manuals, i.e. bit 0 is 2^0
2575 #define GET_FIELD_SP(X, FROM, TO) \
2576 GET_FIELD(X, 63 - (TO), 63 - (FROM))
2578 target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
2580 return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
2581 (GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
2582 (GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
2583 (GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
2584 (GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
2585 (GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
2586 (((pixel_addr >> 55) & 1) << 4) |
2587 (GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
2588 GET_FIELD_SP(pixel_addr, 11, 12);
2591 target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
2595 tmp = addr + offset;
2597 env->gsr |= tmp & 7ULL;
2601 target_ulong helper_popc(target_ulong val)
2603 return ctpop64(val);
2606 static inline uint64_t *get_gregset(uint64_t pstate)
2621 static inline void change_pstate(uint64_t new_pstate)
2623 uint64_t pstate_regs, new_pstate_regs;
2624 uint64_t *src, *dst;
2626 pstate_regs = env->pstate & 0xc01;
2627 new_pstate_regs = new_pstate & 0xc01;
2628 if (new_pstate_regs != pstate_regs) {
2629 // Switch global register bank
2630 src = get_gregset(new_pstate_regs);
2631 dst = get_gregset(pstate_regs);
2632 memcpy32(dst, env->gregs);
2633 memcpy32(env->gregs, src);
2635 env->pstate = new_pstate;
2638 void helper_wrpstate(target_ulong new_state)
2640 if (!(env->def->features & CPU_FEATURE_GL))
2641 change_pstate(new_state & 0xf3f);
2644 void helper_done(void)
2646 env->pc = env->tsptr->tpc;
2647 env->npc = env->tsptr->tnpc + 4;
2648 PUT_CCR(env, env->tsptr->tstate >> 32);
2649 env->asi = (env->tsptr->tstate >> 24) & 0xff;
2650 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2651 PUT_CWP64(env, env->tsptr->tstate & 0xff);
2653 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2656 void helper_retry(void)
2658 env->pc = env->tsptr->tpc;
2659 env->npc = env->tsptr->tnpc;
2660 PUT_CCR(env, env->tsptr->tstate >> 32);
2661 env->asi = (env->tsptr->tstate >> 24) & 0xff;
2662 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2663 PUT_CWP64(env, env->tsptr->tstate & 0xff);
2665 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2668 void helper_set_softint(uint64_t value)
2670 env->softint |= (uint32_t)value;
2673 void helper_clear_softint(uint64_t value)
2675 env->softint &= (uint32_t)~value;
2678 void helper_write_softint(uint64_t value)
2680 env->softint = (uint32_t)value;
2684 void helper_flush(target_ulong addr)
2687 tb_invalidate_page_range(addr, addr + 8);
2690 #ifdef TARGET_SPARC64
2692 static const char * const excp_names[0x80] = {
2693 [TT_TFAULT] = "Instruction Access Fault",
2694 [TT_TMISS] = "Instruction Access MMU Miss",
2695 [TT_CODE_ACCESS] = "Instruction Access Error",
2696 [TT_ILL_INSN] = "Illegal Instruction",
2697 [TT_PRIV_INSN] = "Privileged Instruction",
2698 [TT_NFPU_INSN] = "FPU Disabled",
2699 [TT_FP_EXCP] = "FPU Exception",
2700 [TT_TOVF] = "Tag Overflow",
2701 [TT_CLRWIN] = "Clean Windows",
2702 [TT_DIV_ZERO] = "Division By Zero",
2703 [TT_DFAULT] = "Data Access Fault",
2704 [TT_DMISS] = "Data Access MMU Miss",
2705 [TT_DATA_ACCESS] = "Data Access Error",
2706 [TT_DPROT] = "Data Protection Error",
2707 [TT_UNALIGNED] = "Unaligned Memory Access",
2708 [TT_PRIV_ACT] = "Privileged Action",
2709 [TT_EXTINT | 0x1] = "External Interrupt 1",
2710 [TT_EXTINT | 0x2] = "External Interrupt 2",
2711 [TT_EXTINT | 0x3] = "External Interrupt 3",
2712 [TT_EXTINT | 0x4] = "External Interrupt 4",
2713 [TT_EXTINT | 0x5] = "External Interrupt 5",
2714 [TT_EXTINT | 0x6] = "External Interrupt 6",
2715 [TT_EXTINT | 0x7] = "External Interrupt 7",
2716 [TT_EXTINT | 0x8] = "External Interrupt 8",
2717 [TT_EXTINT | 0x9] = "External Interrupt 9",
2718 [TT_EXTINT | 0xa] = "External Interrupt 10",
2719 [TT_EXTINT | 0xb] = "External Interrupt 11",
2720 [TT_EXTINT | 0xc] = "External Interrupt 12",
2721 [TT_EXTINT | 0xd] = "External Interrupt 13",
2722 [TT_EXTINT | 0xe] = "External Interrupt 14",
2723 [TT_EXTINT | 0xf] = "External Interrupt 15",
2727 void do_interrupt(CPUState *env)
2729 int intno = env->exception_index;
2732 if (loglevel & CPU_LOG_INT) {
2736 if (intno < 0 || intno >= 0x180)
2738 else if (intno >= 0x100)
2739 name = "Trap Instruction";
2740 else if (intno >= 0xc0)
2741 name = "Window Fill";
2742 else if (intno >= 0x80)
2743 name = "Window Spill";
2745 name = excp_names[intno];
2750 fprintf(logfile, "%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
2751 " SP=%016" PRIx64 "\n",
2754 env->npc, env->regwptr[6]);
2755 cpu_dump_state(env, logfile, fprintf, 0);
2761 fprintf(logfile, " code=");
2762 ptr = (uint8_t *)env->pc;
2763 for(i = 0; i < 16; i++) {
2764 fprintf(logfile, " %02x", ldub(ptr + i));
2766 fprintf(logfile, "\n");
2772 #if !defined(CONFIG_USER_ONLY)
2773 if (env->tl >= env->maxtl) {
2774 cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
2775 " Error state", env->exception_index, env->tl, env->maxtl);
2779 if (env->tl < env->maxtl - 1) {
2782 env->pstate |= PS_RED;
2783 if (env->tl < env->maxtl)
2786 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2787 env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
2788 ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
2790 env->tsptr->tpc = env->pc;
2791 env->tsptr->tnpc = env->npc;
2792 env->tsptr->tt = intno;
2793 if (!(env->def->features & CPU_FEATURE_GL)) {
2796 change_pstate(PS_PEF | PS_PRIV | PS_IG);
2803 change_pstate(PS_PEF | PS_PRIV | PS_MG);
2806 change_pstate(PS_PEF | PS_PRIV | PS_AG);
2810 if (intno == TT_CLRWIN)
2811 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
2812 else if ((intno & 0x1c0) == TT_SPILL)
2813 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
2814 else if ((intno & 0x1c0) == TT_FILL)
2815 cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
2816 env->tbr &= ~0x7fffULL;
2817 env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
2819 env->npc = env->pc + 4;
2820 env->exception_index = 0;
2824 static const char * const excp_names[0x80] = {
2825 [TT_TFAULT] = "Instruction Access Fault",
2826 [TT_ILL_INSN] = "Illegal Instruction",
2827 [TT_PRIV_INSN] = "Privileged Instruction",
2828 [TT_NFPU_INSN] = "FPU Disabled",
2829 [TT_WIN_OVF] = "Window Overflow",
2830 [TT_WIN_UNF] = "Window Underflow",
2831 [TT_UNALIGNED] = "Unaligned Memory Access",
2832 [TT_FP_EXCP] = "FPU Exception",
2833 [TT_DFAULT] = "Data Access Fault",
2834 [TT_TOVF] = "Tag Overflow",
2835 [TT_EXTINT | 0x1] = "External Interrupt 1",
2836 [TT_EXTINT | 0x2] = "External Interrupt 2",
2837 [TT_EXTINT | 0x3] = "External Interrupt 3",
2838 [TT_EXTINT | 0x4] = "External Interrupt 4",
2839 [TT_EXTINT | 0x5] = "External Interrupt 5",
2840 [TT_EXTINT | 0x6] = "External Interrupt 6",
2841 [TT_EXTINT | 0x7] = "External Interrupt 7",
2842 [TT_EXTINT | 0x8] = "External Interrupt 8",
2843 [TT_EXTINT | 0x9] = "External Interrupt 9",
2844 [TT_EXTINT | 0xa] = "External Interrupt 10",
2845 [TT_EXTINT | 0xb] = "External Interrupt 11",
2846 [TT_EXTINT | 0xc] = "External Interrupt 12",
2847 [TT_EXTINT | 0xd] = "External Interrupt 13",
2848 [TT_EXTINT | 0xe] = "External Interrupt 14",
2849 [TT_EXTINT | 0xf] = "External Interrupt 15",
2850 [TT_TOVF] = "Tag Overflow",
2851 [TT_CODE_ACCESS] = "Instruction Access Error",
2852 [TT_DATA_ACCESS] = "Data Access Error",
2853 [TT_DIV_ZERO] = "Division By Zero",
2854 [TT_NCP_INSN] = "Coprocessor Disabled",
2858 void do_interrupt(CPUState *env)
2860 int cwp, intno = env->exception_index;
2863 if (loglevel & CPU_LOG_INT) {
2867 if (intno < 0 || intno >= 0x100)
2869 else if (intno >= 0x80)
2870 name = "Trap Instruction";
2872 name = excp_names[intno];
2877 fprintf(logfile, "%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
2880 env->npc, env->regwptr[6]);
2881 cpu_dump_state(env, logfile, fprintf, 0);
2887 fprintf(logfile, " code=");
2888 ptr = (uint8_t *)env->pc;
2889 for(i = 0; i < 16; i++) {
2890 fprintf(logfile, " %02x", ldub(ptr + i));
2892 fprintf(logfile, "\n");
2898 #if !defined(CONFIG_USER_ONLY)
2899 if (env->psret == 0) {
2900 cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
2901 env->exception_index);
2906 cwp = cpu_cwp_dec(env, env->cwp - 1);
2907 cpu_set_cwp(env, cwp);
2908 env->regwptr[9] = env->pc;
2909 env->regwptr[10] = env->npc;
2910 env->psrps = env->psrs;
2912 env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
2914 env->npc = env->pc + 4;
2915 env->exception_index = 0;
2919 #if !defined(CONFIG_USER_ONLY)
2921 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
2924 #define MMUSUFFIX _mmu
2925 #define ALIGNED_ONLY
2928 #include "softmmu_template.h"
2931 #include "softmmu_template.h"
2934 #include "softmmu_template.h"
2937 #include "softmmu_template.h"
2939 /* XXX: make it generic ? */
2940 static void cpu_restore_state2(void *retaddr)
2942 TranslationBlock *tb;
2946 /* now we have a real cpu fault */
2947 pc = (unsigned long)retaddr;
2948 tb = tb_find_pc(pc);
2950 /* the PC is inside the translated code. It means that we have
2951 a virtual CPU fault */
2952 cpu_restore_state(tb, env, pc, (void *)(long)env->cond);
2957 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
2960 #ifdef DEBUG_UNALIGNED
2961 printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
2962 "\n", addr, env->pc);
2964 cpu_restore_state2(retaddr);
2965 raise_exception(TT_UNALIGNED);
2968 /* try to fill the TLB and return an exception if error. If retaddr is
2969 NULL, it means that the function was called in C code (i.e. not
2970 from generated code or from helper.c) */
2971 /* XXX: fix it to restore all registers */
2972 void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
2975 CPUState *saved_env;
2977 /* XXX: hack to restore env in all cases, even if not called from
2980 env = cpu_single_env;
2982 ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
2984 cpu_restore_state2(retaddr);
2992 #ifndef TARGET_SPARC64
2993 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
2996 CPUState *saved_env;
2998 /* XXX: hack to restore env in all cases, even if not called from
3001 env = cpu_single_env;
3002 #ifdef DEBUG_UNASSIGNED
3004 printf("Unassigned mem %s access to " TARGET_FMT_plx
3005 " asi 0x%02x from " TARGET_FMT_lx "\n",
3006 is_exec ? "exec" : is_write ? "write" : "read", addr, is_asi,
3009 printf("Unassigned mem %s access to " TARGET_FMT_plx " from "
3011 is_exec ? "exec" : is_write ? "write" : "read", addr, env->pc);
3013 if (env->mmuregs[3]) /* Fault status register */
3014 env->mmuregs[3] = 1; /* overflow (not read before another fault) */
3016 env->mmuregs[3] |= 1 << 16;
3018 env->mmuregs[3] |= 1 << 5;
3020 env->mmuregs[3] |= 1 << 6;
3022 env->mmuregs[3] |= 1 << 7;
3023 env->mmuregs[3] |= (5 << 2) | 2;
3024 env->mmuregs[4] = addr; /* Fault address register */
3025 if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) {
3027 raise_exception(TT_CODE_ACCESS);
3029 raise_exception(TT_DATA_ACCESS);
3034 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3037 #ifdef DEBUG_UNASSIGNED
3038 CPUState *saved_env;
3040 /* XXX: hack to restore env in all cases, even if not called from
3043 env = cpu_single_env;
3044 printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx
3045 "\n", addr, env->pc);
3049 raise_exception(TT_CODE_ACCESS);
3051 raise_exception(TT_DATA_ACCESS);