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(float32 src1, float32 src2)
111 DT0 = float64_mul(float32_to_float64(src1, &env->fp_status),
112 float32_to_float64(src2, &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);
146 void helper_fitod(int32_t src)
148 DT0 = int32_to_float64(src, &env->fp_status);
151 void helper_fitoq(int32_t src)
153 QT0 = int32_to_float128(src, &env->fp_status);
156 #ifdef TARGET_SPARC64
157 float32 helper_fxtos(void)
159 return 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 float32 helper_fdtos(void)
177 return float64_to_float32(DT1, &env->fp_status);
180 void helper_fstod(float32 src)
182 DT0 = float32_to_float64(src, &env->fp_status);
185 float32 helper_fqtos(void)
187 return float128_to_float32(QT1, &env->fp_status);
190 void helper_fstoq(float32 src)
192 QT0 = float32_to_float128(src, &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 int32_t helper_fdtoi(void)
213 return float64_to_int32_round_to_zero(DT1, &env->fp_status);
216 int32_t helper_fqtoi(void)
218 return float128_to_int32_round_to_zero(QT1, &env->fp_status);
221 #ifdef TARGET_SPARC64
222 void helper_fstox(float32 src)
224 *((int64_t *)&DT0) = float32_to_int64_round_to_zero(src, &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 #ifdef WORDS_BIGENDIAN
250 #define VIS_B64(n) b[7 - (n)]
251 #define VIS_W64(n) w[3 - (n)]
252 #define VIS_SW64(n) sw[3 - (n)]
253 #define VIS_L64(n) l[1 - (n)]
254 #define VIS_B32(n) b[3 - (n)]
255 #define VIS_W32(n) w[1 - (n)]
257 #define VIS_B64(n) b[n]
258 #define VIS_W64(n) w[n]
259 #define VIS_SW64(n) sw[n]
260 #define VIS_L64(n) l[n]
261 #define VIS_B32(n) b[n]
262 #define VIS_W32(n) w[n]
280 void helper_fpmerge(void)
287 // Reverse calculation order to handle overlap
288 d.VIS_B64(7) = s.VIS_B64(3);
289 d.VIS_B64(6) = d.VIS_B64(3);
290 d.VIS_B64(5) = s.VIS_B64(2);
291 d.VIS_B64(4) = d.VIS_B64(2);
292 d.VIS_B64(3) = s.VIS_B64(1);
293 d.VIS_B64(2) = d.VIS_B64(1);
294 d.VIS_B64(1) = s.VIS_B64(0);
295 //d.VIS_B64(0) = d.VIS_B64(0);
300 void helper_fmul8x16(void)
309 tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \
310 if ((tmp & 0xff) > 0x7f) \
312 d.VIS_W64(r) = tmp >> 8;
323 void helper_fmul8x16al(void)
332 tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \
333 if ((tmp & 0xff) > 0x7f) \
335 d.VIS_W64(r) = tmp >> 8;
346 void helper_fmul8x16au(void)
355 tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
356 if ((tmp & 0xff) > 0x7f) \
358 d.VIS_W64(r) = tmp >> 8;
369 void helper_fmul8sux16(void)
378 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
379 if ((tmp & 0xff) > 0x7f) \
381 d.VIS_W64(r) = tmp >> 8;
392 void helper_fmul8ulx16(void)
401 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
402 if ((tmp & 0xff) > 0x7f) \
404 d.VIS_W64(r) = tmp >> 8;
415 void helper_fmuld8sux16(void)
424 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
425 if ((tmp & 0xff) > 0x7f) \
429 // Reverse calculation order to handle overlap
437 void helper_fmuld8ulx16(void)
446 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
447 if ((tmp & 0xff) > 0x7f) \
451 // Reverse calculation order to handle overlap
459 void helper_fexpand(void)
464 s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
466 d.VIS_L64(0) = s.VIS_W32(0) << 4;
467 d.VIS_L64(1) = s.VIS_W32(1) << 4;
468 d.VIS_L64(2) = s.VIS_W32(2) << 4;
469 d.VIS_L64(3) = s.VIS_W32(3) << 4;
474 #define VIS_HELPER(name, F) \
475 void name##16(void) \
482 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \
483 d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \
484 d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \
485 d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \
490 uint32_t name##16s(uint32_t src1, uint32_t src2) \
497 d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \
498 d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \
503 void name##32(void) \
510 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \
511 d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \
516 uint32_t name##32s(uint32_t src1, uint32_t src2) \
528 #define FADD(a, b) ((a) + (b))
529 #define FSUB(a, b) ((a) - (b))
530 VIS_HELPER(helper_fpadd, FADD)
531 VIS_HELPER(helper_fpsub, FSUB)
533 #define VIS_CMPHELPER(name, F) \
534 void name##16(void) \
541 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0))? 1: 0; \
542 d.VIS_W64(0) |= F(d.VIS_W64(1), s.VIS_W64(1))? 2: 0; \
543 d.VIS_W64(0) |= F(d.VIS_W64(2), s.VIS_W64(2))? 4: 0; \
544 d.VIS_W64(0) |= F(d.VIS_W64(3), s.VIS_W64(3))? 8: 0; \
549 void name##32(void) \
556 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0))? 1: 0; \
557 d.VIS_L64(0) |= F(d.VIS_L64(1), s.VIS_L64(1))? 2: 0; \
562 #define FCMPGT(a, b) ((a) > (b))
563 #define FCMPEQ(a, b) ((a) == (b))
564 #define FCMPLE(a, b) ((a) <= (b))
565 #define FCMPNE(a, b) ((a) != (b))
567 VIS_CMPHELPER(helper_fcmpgt, FCMPGT)
568 VIS_CMPHELPER(helper_fcmpeq, FCMPEQ)
569 VIS_CMPHELPER(helper_fcmple, FCMPLE)
570 VIS_CMPHELPER(helper_fcmpne, FCMPNE)
573 void helper_check_ieee_exceptions(void)
577 status = get_float_exception_flags(&env->fp_status);
579 /* Copy IEEE 754 flags into FSR */
580 if (status & float_flag_invalid)
582 if (status & float_flag_overflow)
584 if (status & float_flag_underflow)
586 if (status & float_flag_divbyzero)
588 if (status & float_flag_inexact)
591 if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) {
592 /* Unmasked exception, generate a trap */
593 env->fsr |= FSR_FTT_IEEE_EXCP;
594 raise_exception(TT_FP_EXCP);
596 /* Accumulate exceptions */
597 env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5;
602 void helper_clear_float_exceptions(void)
604 set_float_exception_flags(0, &env->fp_status);
607 float32 helper_fabss(float32 src)
609 return float32_abs(src);
612 #ifdef TARGET_SPARC64
613 void helper_fabsd(void)
615 DT0 = float64_abs(DT1);
618 void helper_fabsq(void)
620 QT0 = float128_abs(QT1);
624 float32 helper_fsqrts(float32 src)
626 return float32_sqrt(src, &env->fp_status);
629 void helper_fsqrtd(void)
631 DT0 = float64_sqrt(DT1, &env->fp_status);
634 void helper_fsqrtq(void)
636 QT0 = float128_sqrt(QT1, &env->fp_status);
639 #define GEN_FCMP(name, size, reg1, reg2, FS, TRAP) \
640 void glue(helper_, name) (void) \
642 target_ulong new_fsr; \
644 env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
645 switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
646 case float_relation_unordered: \
647 new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \
648 if ((env->fsr & FSR_NVM) || TRAP) { \
649 env->fsr |= new_fsr; \
650 env->fsr |= FSR_NVC; \
651 env->fsr |= FSR_FTT_IEEE_EXCP; \
652 raise_exception(TT_FP_EXCP); \
654 env->fsr |= FSR_NVA; \
657 case float_relation_less: \
658 new_fsr = FSR_FCC0 << FS; \
660 case float_relation_greater: \
661 new_fsr = FSR_FCC1 << FS; \
667 env->fsr |= new_fsr; \
669 #define GEN_FCMPS(name, size, FS, TRAP) \
670 void glue(helper_, name)(float32 src1, float32 src2) \
672 target_ulong new_fsr; \
674 env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
675 switch (glue(size, _compare) (src1, src2, &env->fp_status)) { \
676 case float_relation_unordered: \
677 new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \
678 if ((env->fsr & FSR_NVM) || TRAP) { \
679 env->fsr |= new_fsr; \
680 env->fsr |= FSR_NVC; \
681 env->fsr |= FSR_FTT_IEEE_EXCP; \
682 raise_exception(TT_FP_EXCP); \
684 env->fsr |= FSR_NVA; \
687 case float_relation_less: \
688 new_fsr = FSR_FCC0 << FS; \
690 case float_relation_greater: \
691 new_fsr = FSR_FCC1 << FS; \
697 env->fsr |= new_fsr; \
700 GEN_FCMPS(fcmps, float32, 0, 0);
701 GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0);
703 GEN_FCMPS(fcmpes, float32, 0, 1);
704 GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1);
706 GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0);
707 GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1);
709 #ifdef TARGET_SPARC64
710 GEN_FCMPS(fcmps_fcc1, float32, 22, 0);
711 GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
712 GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
714 GEN_FCMPS(fcmps_fcc2, float32, 24, 0);
715 GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
716 GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
718 GEN_FCMPS(fcmps_fcc3, float32, 26, 0);
719 GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
720 GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
722 GEN_FCMPS(fcmpes_fcc1, float32, 22, 1);
723 GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
724 GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
726 GEN_FCMPS(fcmpes_fcc2, float32, 24, 1);
727 GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
728 GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
730 GEN_FCMPS(fcmpes_fcc3, float32, 26, 1);
731 GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
732 GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
736 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
738 static void dump_mxcc(CPUState *env)
740 printf("mxccdata: %016llx %016llx %016llx %016llx\n",
741 env->mxccdata[0], env->mxccdata[1],
742 env->mxccdata[2], env->mxccdata[3]);
743 printf("mxccregs: %016llx %016llx %016llx %016llx\n"
744 " %016llx %016llx %016llx %016llx\n",
745 env->mxccregs[0], env->mxccregs[1],
746 env->mxccregs[2], env->mxccregs[3],
747 env->mxccregs[4], env->mxccregs[5],
748 env->mxccregs[6], env->mxccregs[7]);
752 #if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
753 && defined(DEBUG_ASI)
754 static void dump_asi(const char *txt, target_ulong addr, int asi, int size,
760 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt,
761 addr, asi, r1 & 0xff);
764 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt,
765 addr, asi, r1 & 0xffff);
768 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt,
769 addr, asi, r1 & 0xffffffff);
772 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt,
779 #ifndef TARGET_SPARC64
780 #ifndef CONFIG_USER_ONLY
781 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
784 #if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
785 uint32_t last_addr = addr;
788 helper_check_align(addr, size - 1);
790 case 2: /* SuperSparc MXCC registers */
792 case 0x01c00a00: /* MXCC control register */
794 ret = env->mxccregs[3];
796 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
799 case 0x01c00a04: /* MXCC control register */
801 ret = env->mxccregs[3];
803 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
806 case 0x01c00c00: /* Module reset register */
808 ret = env->mxccregs[5];
809 // should we do something here?
811 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
814 case 0x01c00f00: /* MBus port address register */
816 ret = env->mxccregs[7];
818 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
822 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
826 DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
827 "addr = %08x -> ret = %08x,"
828 "addr = %08x\n", asi, size, sign, last_addr, ret, addr);
833 case 3: /* MMU probe */
837 mmulev = (addr >> 8) & 15;
841 ret = mmu_probe(env, addr, mmulev);
842 DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n",
846 case 4: /* read MMU regs */
848 int reg = (addr >> 8) & 0x1f;
850 ret = env->mmuregs[reg];
851 if (reg == 3) /* Fault status cleared on read */
853 else if (reg == 0x13) /* Fault status read */
854 ret = env->mmuregs[3];
855 else if (reg == 0x14) /* Fault address read */
856 ret = env->mmuregs[4];
857 DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret);
860 case 5: // Turbosparc ITLB Diagnostic
861 case 6: // Turbosparc DTLB Diagnostic
862 case 7: // Turbosparc IOTLB Diagnostic
864 case 9: /* Supervisor code access */
867 ret = ldub_code(addr);
870 ret = lduw_code(addr);
874 ret = ldl_code(addr);
877 ret = ldq_code(addr);
881 case 0xa: /* User data access */
884 ret = ldub_user(addr);
887 ret = lduw_user(addr);
891 ret = ldl_user(addr);
894 ret = ldq_user(addr);
898 case 0xb: /* Supervisor data access */
901 ret = ldub_kernel(addr);
904 ret = lduw_kernel(addr);
908 ret = ldl_kernel(addr);
911 ret = ldq_kernel(addr);
915 case 0xc: /* I-cache tag */
916 case 0xd: /* I-cache data */
917 case 0xe: /* D-cache tag */
918 case 0xf: /* D-cache data */
920 case 0x20: /* MMU passthrough */
923 ret = ldub_phys(addr);
926 ret = lduw_phys(addr);
930 ret = ldl_phys(addr);
933 ret = ldq_phys(addr);
937 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
940 ret = ldub_phys((target_phys_addr_t)addr
941 | ((target_phys_addr_t)(asi & 0xf) << 32));
944 ret = lduw_phys((target_phys_addr_t)addr
945 | ((target_phys_addr_t)(asi & 0xf) << 32));
949 ret = ldl_phys((target_phys_addr_t)addr
950 | ((target_phys_addr_t)(asi & 0xf) << 32));
953 ret = ldq_phys((target_phys_addr_t)addr
954 | ((target_phys_addr_t)(asi & 0xf) << 32));
958 case 0x30: // Turbosparc secondary cache diagnostic
959 case 0x31: // Turbosparc RAM snoop
960 case 0x32: // Turbosparc page table descriptor diagnostic
961 case 0x39: /* data cache diagnostic register */
964 case 8: /* User code access, XXX */
966 do_unassigned_access(addr, 0, 0, asi);
986 dump_asi("read ", last_addr, asi, size, ret);
991 void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size)
993 helper_check_align(addr, size - 1);
995 case 2: /* SuperSparc MXCC registers */
997 case 0x01c00000: /* MXCC stream data register 0 */
999 env->mxccdata[0] = val;
1001 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1004 case 0x01c00008: /* MXCC stream data register 1 */
1006 env->mxccdata[1] = val;
1008 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1011 case 0x01c00010: /* MXCC stream data register 2 */
1013 env->mxccdata[2] = val;
1015 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1018 case 0x01c00018: /* MXCC stream data register 3 */
1020 env->mxccdata[3] = val;
1022 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1025 case 0x01c00100: /* MXCC stream source */
1027 env->mxccregs[0] = val;
1029 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1031 env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1033 env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1035 env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1037 env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1040 case 0x01c00200: /* MXCC stream destination */
1042 env->mxccregs[1] = val;
1044 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1046 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0,
1048 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8,
1050 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16,
1052 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24,
1055 case 0x01c00a00: /* MXCC control register */
1057 env->mxccregs[3] = val;
1059 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1062 case 0x01c00a04: /* MXCC control register */
1064 env->mxccregs[3] = (env->mxccregs[3] & 0xffffffff00000000ULL)
1067 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1070 case 0x01c00e00: /* MXCC error register */
1071 // writing a 1 bit clears the error
1073 env->mxccregs[6] &= ~val;
1075 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1078 case 0x01c00f00: /* MBus port address register */
1080 env->mxccregs[7] = val;
1082 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1086 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1090 DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %08x\n", asi,
1096 case 3: /* MMU flush */
1100 mmulev = (addr >> 8) & 15;
1101 DPRINTF_MMU("mmu flush level %d\n", mmulev);
1103 case 0: // flush page
1104 tlb_flush_page(env, addr & 0xfffff000);
1106 case 1: // flush segment (256k)
1107 case 2: // flush region (16M)
1108 case 3: // flush context (4G)
1109 case 4: // flush entire
1120 case 4: /* write MMU regs */
1122 int reg = (addr >> 8) & 0x1f;
1125 oldreg = env->mmuregs[reg];
1127 case 0: // Control Register
1128 env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
1130 // Mappings generated during no-fault mode or MMU
1131 // disabled mode are invalid in normal mode
1132 if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) !=
1133 (env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm)))
1136 case 1: // Context Table Pointer Register
1137 env->mmuregs[reg] = val & env->def->mmu_ctpr_mask;
1139 case 2: // Context Register
1140 env->mmuregs[reg] = val & env->def->mmu_cxr_mask;
1141 if (oldreg != env->mmuregs[reg]) {
1142 /* we flush when the MMU context changes because
1143 QEMU has no MMU context support */
1147 case 3: // Synchronous Fault Status Register with Clear
1148 case 4: // Synchronous Fault Address Register
1150 case 0x10: // TLB Replacement Control Register
1151 env->mmuregs[reg] = val & env->def->mmu_trcr_mask;
1153 case 0x13: // Synchronous Fault Status Register with Read and Clear
1154 env->mmuregs[3] = val & env->def->mmu_sfsr_mask;
1156 case 0x14: // Synchronous Fault Address Register
1157 env->mmuregs[4] = val;
1160 env->mmuregs[reg] = val;
1163 if (oldreg != env->mmuregs[reg]) {
1164 DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
1165 reg, oldreg, env->mmuregs[reg]);
1172 case 5: // Turbosparc ITLB Diagnostic
1173 case 6: // Turbosparc DTLB Diagnostic
1174 case 7: // Turbosparc IOTLB Diagnostic
1176 case 0xa: /* User data access */
1179 stb_user(addr, val);
1182 stw_user(addr, val);
1186 stl_user(addr, val);
1189 stq_user(addr, val);
1193 case 0xb: /* Supervisor data access */
1196 stb_kernel(addr, val);
1199 stw_kernel(addr, val);
1203 stl_kernel(addr, val);
1206 stq_kernel(addr, val);
1210 case 0xc: /* I-cache tag */
1211 case 0xd: /* I-cache data */
1212 case 0xe: /* D-cache tag */
1213 case 0xf: /* D-cache data */
1214 case 0x10: /* I/D-cache flush page */
1215 case 0x11: /* I/D-cache flush segment */
1216 case 0x12: /* I/D-cache flush region */
1217 case 0x13: /* I/D-cache flush context */
1218 case 0x14: /* I/D-cache flush user */
1220 case 0x17: /* Block copy, sta access */
1226 uint32_t src = val & ~3, dst = addr & ~3, temp;
1228 for (i = 0; i < 32; i += 4, src += 4, dst += 4) {
1229 temp = ldl_kernel(src);
1230 stl_kernel(dst, temp);
1234 case 0x1f: /* Block fill, stda access */
1237 // fill 32 bytes with val
1239 uint32_t dst = addr & 7;
1241 for (i = 0; i < 32; i += 8, dst += 8)
1242 stq_kernel(dst, val);
1245 case 0x20: /* MMU passthrough */
1249 stb_phys(addr, val);
1252 stw_phys(addr, val);
1256 stl_phys(addr, val);
1259 stq_phys(addr, val);
1264 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1268 stb_phys((target_phys_addr_t)addr
1269 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1272 stw_phys((target_phys_addr_t)addr
1273 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1277 stl_phys((target_phys_addr_t)addr
1278 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1281 stq_phys((target_phys_addr_t)addr
1282 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1287 case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic
1288 case 0x31: // store buffer data, Ross RT620 I-cache flush or
1289 // Turbosparc snoop RAM
1290 case 0x32: // store buffer control or Turbosparc page table
1291 // descriptor diagnostic
1292 case 0x36: /* I-cache flash clear */
1293 case 0x37: /* D-cache flash clear */
1294 case 0x38: /* breakpoint diagnostics */
1295 case 0x4c: /* breakpoint action */
1297 case 8: /* User code access, XXX */
1298 case 9: /* Supervisor code access, XXX */
1300 do_unassigned_access(addr, 1, 0, asi);
1304 dump_asi("write", addr, asi, size, val);
1308 #endif /* CONFIG_USER_ONLY */
1309 #else /* TARGET_SPARC64 */
1311 #ifdef CONFIG_USER_ONLY
1312 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1315 #if defined(DEBUG_ASI)
1316 target_ulong last_addr = addr;
1320 raise_exception(TT_PRIV_ACT);
1322 helper_check_align(addr, size - 1);
1323 address_mask(env, &addr);
1326 case 0x82: // Primary no-fault
1327 case 0x8a: // Primary no-fault LE
1328 if (page_check_range(addr, size, PAGE_READ) == -1) {
1330 dump_asi("read ", last_addr, asi, size, ret);
1335 case 0x80: // Primary
1336 case 0x88: // Primary LE
1340 ret = ldub_raw(addr);
1343 ret = lduw_raw(addr);
1346 ret = ldl_raw(addr);
1350 ret = ldq_raw(addr);
1355 case 0x83: // Secondary no-fault
1356 case 0x8b: // Secondary no-fault LE
1357 if (page_check_range(addr, size, PAGE_READ) == -1) {
1359 dump_asi("read ", last_addr, asi, size, ret);
1364 case 0x81: // Secondary
1365 case 0x89: // Secondary LE
1372 /* Convert from little endian */
1374 case 0x88: // Primary LE
1375 case 0x89: // Secondary LE
1376 case 0x8a: // Primary no-fault LE
1377 case 0x8b: // Secondary no-fault LE
1395 /* Convert to signed number */
1402 ret = (int16_t) ret;
1405 ret = (int32_t) ret;
1412 dump_asi("read ", last_addr, asi, size, ret);
1417 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1420 dump_asi("write", addr, asi, size, val);
1423 raise_exception(TT_PRIV_ACT);
1425 helper_check_align(addr, size - 1);
1426 address_mask(env, &addr);
1428 /* Convert to little endian */
1430 case 0x88: // Primary LE
1431 case 0x89: // Secondary LE
1434 addr = bswap16(addr);
1437 addr = bswap32(addr);
1440 addr = bswap64(addr);
1450 case 0x80: // Primary
1451 case 0x88: // Primary LE
1470 case 0x81: // Secondary
1471 case 0x89: // Secondary LE
1475 case 0x82: // Primary no-fault, RO
1476 case 0x83: // Secondary no-fault, RO
1477 case 0x8a: // Primary no-fault LE, RO
1478 case 0x8b: // Secondary no-fault LE, RO
1480 do_unassigned_access(addr, 1, 0, 1);
1485 #else /* CONFIG_USER_ONLY */
1487 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1490 #if defined(DEBUG_ASI)
1491 target_ulong last_addr = addr;
1494 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1495 || ((env->def->features & CPU_FEATURE_HYPV)
1496 && asi >= 0x30 && asi < 0x80
1497 && !(env->hpstate & HS_PRIV)))
1498 raise_exception(TT_PRIV_ACT);
1500 helper_check_align(addr, size - 1);
1502 case 0x82: // Primary no-fault
1503 case 0x8a: // Primary no-fault LE
1504 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
1506 dump_asi("read ", last_addr, asi, size, ret);
1511 case 0x10: // As if user primary
1512 case 0x18: // As if user primary LE
1513 case 0x80: // Primary
1514 case 0x88: // Primary LE
1515 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1516 if ((env->def->features & CPU_FEATURE_HYPV)
1517 && env->hpstate & HS_PRIV) {
1520 ret = ldub_hypv(addr);
1523 ret = lduw_hypv(addr);
1526 ret = ldl_hypv(addr);
1530 ret = ldq_hypv(addr);
1536 ret = ldub_kernel(addr);
1539 ret = lduw_kernel(addr);
1542 ret = ldl_kernel(addr);
1546 ret = ldq_kernel(addr);
1553 ret = ldub_user(addr);
1556 ret = lduw_user(addr);
1559 ret = ldl_user(addr);
1563 ret = ldq_user(addr);
1568 case 0x14: // Bypass
1569 case 0x15: // Bypass, non-cacheable
1570 case 0x1c: // Bypass LE
1571 case 0x1d: // Bypass, non-cacheable LE
1575 ret = ldub_phys(addr);
1578 ret = lduw_phys(addr);
1581 ret = ldl_phys(addr);
1585 ret = ldq_phys(addr);
1590 case 0x24: // Nucleus quad LDD 128 bit atomic
1591 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
1592 // Only ldda allowed
1593 raise_exception(TT_ILL_INSN);
1595 case 0x83: // Secondary no-fault
1596 case 0x8b: // Secondary no-fault LE
1597 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
1599 dump_asi("read ", last_addr, asi, size, ret);
1604 case 0x04: // Nucleus
1605 case 0x0c: // Nucleus Little Endian (LE)
1606 case 0x11: // As if user secondary
1607 case 0x19: // As if user secondary LE
1608 case 0x4a: // UPA config
1609 case 0x81: // Secondary
1610 case 0x89: // Secondary LE
1616 case 0x50: // I-MMU regs
1618 int reg = (addr >> 3) & 0xf;
1620 ret = env->immuregs[reg];
1623 case 0x51: // I-MMU 8k TSB pointer
1624 case 0x52: // I-MMU 64k TSB pointer
1627 case 0x55: // I-MMU data access
1629 int reg = (addr >> 3) & 0x3f;
1631 ret = env->itlb_tte[reg];
1634 case 0x56: // I-MMU tag read
1636 int reg = (addr >> 3) & 0x3f;
1638 ret = env->itlb_tag[reg];
1641 case 0x58: // D-MMU regs
1643 int reg = (addr >> 3) & 0xf;
1645 ret = env->dmmuregs[reg];
1648 case 0x5d: // D-MMU data access
1650 int reg = (addr >> 3) & 0x3f;
1652 ret = env->dtlb_tte[reg];
1655 case 0x5e: // D-MMU tag read
1657 int reg = (addr >> 3) & 0x3f;
1659 ret = env->dtlb_tag[reg];
1662 case 0x46: // D-cache data
1663 case 0x47: // D-cache tag access
1664 case 0x4b: // E-cache error enable
1665 case 0x4c: // E-cache asynchronous fault status
1666 case 0x4d: // E-cache asynchronous fault address
1667 case 0x4e: // E-cache tag data
1668 case 0x66: // I-cache instruction access
1669 case 0x67: // I-cache tag access
1670 case 0x6e: // I-cache predecode
1671 case 0x6f: // I-cache LRU etc.
1672 case 0x76: // E-cache tag
1673 case 0x7e: // E-cache tag
1675 case 0x59: // D-MMU 8k TSB pointer
1676 case 0x5a: // D-MMU 64k TSB pointer
1677 case 0x5b: // D-MMU data pointer
1678 case 0x48: // Interrupt dispatch, RO
1679 case 0x49: // Interrupt data receive
1680 case 0x7f: // Incoming interrupt vector, RO
1683 case 0x54: // I-MMU data in, WO
1684 case 0x57: // I-MMU demap, WO
1685 case 0x5c: // D-MMU data in, WO
1686 case 0x5f: // D-MMU demap, WO
1687 case 0x77: // Interrupt vector, WO
1689 do_unassigned_access(addr, 0, 0, 1);
1694 /* Convert from little endian */
1696 case 0x0c: // Nucleus Little Endian (LE)
1697 case 0x18: // As if user primary LE
1698 case 0x19: // As if user secondary LE
1699 case 0x1c: // Bypass LE
1700 case 0x1d: // Bypass, non-cacheable LE
1701 case 0x88: // Primary LE
1702 case 0x89: // Secondary LE
1703 case 0x8a: // Primary no-fault LE
1704 case 0x8b: // Secondary no-fault LE
1722 /* Convert to signed number */
1729 ret = (int16_t) ret;
1732 ret = (int32_t) ret;
1739 dump_asi("read ", last_addr, asi, size, ret);
1744 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1747 dump_asi("write", addr, asi, size, val);
1749 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1750 || ((env->def->features & CPU_FEATURE_HYPV)
1751 && asi >= 0x30 && asi < 0x80
1752 && !(env->hpstate & HS_PRIV)))
1753 raise_exception(TT_PRIV_ACT);
1755 helper_check_align(addr, size - 1);
1756 /* Convert to little endian */
1758 case 0x0c: // Nucleus Little Endian (LE)
1759 case 0x18: // As if user primary LE
1760 case 0x19: // As if user secondary LE
1761 case 0x1c: // Bypass LE
1762 case 0x1d: // Bypass, non-cacheable LE
1763 case 0x88: // Primary LE
1764 case 0x89: // Secondary LE
1767 addr = bswap16(addr);
1770 addr = bswap32(addr);
1773 addr = bswap64(addr);
1783 case 0x10: // As if user primary
1784 case 0x18: // As if user primary LE
1785 case 0x80: // Primary
1786 case 0x88: // Primary LE
1787 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1788 if ((env->def->features & CPU_FEATURE_HYPV)
1789 && env->hpstate & HS_PRIV) {
1792 stb_hypv(addr, val);
1795 stw_hypv(addr, val);
1798 stl_hypv(addr, val);
1802 stq_hypv(addr, val);
1808 stb_kernel(addr, val);
1811 stw_kernel(addr, val);
1814 stl_kernel(addr, val);
1818 stq_kernel(addr, val);
1825 stb_user(addr, val);
1828 stw_user(addr, val);
1831 stl_user(addr, val);
1835 stq_user(addr, val);
1840 case 0x14: // Bypass
1841 case 0x15: // Bypass, non-cacheable
1842 case 0x1c: // Bypass LE
1843 case 0x1d: // Bypass, non-cacheable LE
1847 stb_phys(addr, val);
1850 stw_phys(addr, val);
1853 stl_phys(addr, val);
1857 stq_phys(addr, val);
1862 case 0x24: // Nucleus quad LDD 128 bit atomic
1863 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
1864 // Only ldda allowed
1865 raise_exception(TT_ILL_INSN);
1867 case 0x04: // Nucleus
1868 case 0x0c: // Nucleus Little Endian (LE)
1869 case 0x11: // As if user secondary
1870 case 0x19: // As if user secondary LE
1871 case 0x4a: // UPA config
1872 case 0x81: // Secondary
1873 case 0x89: // Secondary LE
1881 env->lsu = val & (DMMU_E | IMMU_E);
1882 // Mappings generated during D/I MMU disabled mode are
1883 // invalid in normal mode
1884 if (oldreg != env->lsu) {
1885 DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n",
1894 case 0x50: // I-MMU regs
1896 int reg = (addr >> 3) & 0xf;
1899 oldreg = env->immuregs[reg];
1904 case 1: // Not in I-MMU
1911 val = 0; // Clear SFSR
1913 case 5: // TSB access
1914 case 6: // Tag access
1918 env->immuregs[reg] = val;
1919 if (oldreg != env->immuregs[reg]) {
1920 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
1921 PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
1928 case 0x54: // I-MMU data in
1932 // Try finding an invalid entry
1933 for (i = 0; i < 64; i++) {
1934 if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) {
1935 env->itlb_tag[i] = env->immuregs[6];
1936 env->itlb_tte[i] = val;
1940 // Try finding an unlocked entry
1941 for (i = 0; i < 64; i++) {
1942 if ((env->itlb_tte[i] & 0x40) == 0) {
1943 env->itlb_tag[i] = env->immuregs[6];
1944 env->itlb_tte[i] = val;
1951 case 0x55: // I-MMU data access
1953 unsigned int i = (addr >> 3) & 0x3f;
1955 env->itlb_tag[i] = env->immuregs[6];
1956 env->itlb_tte[i] = val;
1959 case 0x57: // I-MMU demap
1962 case 0x58: // D-MMU regs
1964 int reg = (addr >> 3) & 0xf;
1967 oldreg = env->dmmuregs[reg];
1973 if ((val & 1) == 0) {
1974 val = 0; // Clear SFSR, Fault address
1975 env->dmmuregs[4] = 0;
1977 env->dmmuregs[reg] = val;
1979 case 1: // Primary context
1980 case 2: // Secondary context
1981 case 5: // TSB access
1982 case 6: // Tag access
1983 case 7: // Virtual Watchpoint
1984 case 8: // Physical Watchpoint
1988 env->dmmuregs[reg] = val;
1989 if (oldreg != env->dmmuregs[reg]) {
1990 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
1991 PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
1998 case 0x5c: // D-MMU data in
2002 // Try finding an invalid entry
2003 for (i = 0; i < 64; i++) {
2004 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) {
2005 env->dtlb_tag[i] = env->dmmuregs[6];
2006 env->dtlb_tte[i] = val;
2010 // Try finding an unlocked entry
2011 for (i = 0; i < 64; i++) {
2012 if ((env->dtlb_tte[i] & 0x40) == 0) {
2013 env->dtlb_tag[i] = env->dmmuregs[6];
2014 env->dtlb_tte[i] = val;
2021 case 0x5d: // D-MMU data access
2023 unsigned int i = (addr >> 3) & 0x3f;
2025 env->dtlb_tag[i] = env->dmmuregs[6];
2026 env->dtlb_tte[i] = val;
2029 case 0x5f: // D-MMU demap
2030 case 0x49: // Interrupt data receive
2033 case 0x46: // D-cache data
2034 case 0x47: // D-cache tag access
2035 case 0x4b: // E-cache error enable
2036 case 0x4c: // E-cache asynchronous fault status
2037 case 0x4d: // E-cache asynchronous fault address
2038 case 0x4e: // E-cache tag data
2039 case 0x66: // I-cache instruction access
2040 case 0x67: // I-cache tag access
2041 case 0x6e: // I-cache predecode
2042 case 0x6f: // I-cache LRU etc.
2043 case 0x76: // E-cache tag
2044 case 0x7e: // E-cache tag
2046 case 0x51: // I-MMU 8k TSB pointer, RO
2047 case 0x52: // I-MMU 64k TSB pointer, RO
2048 case 0x56: // I-MMU tag read, RO
2049 case 0x59: // D-MMU 8k TSB pointer, RO
2050 case 0x5a: // D-MMU 64k TSB pointer, RO
2051 case 0x5b: // D-MMU data pointer, RO
2052 case 0x5e: // D-MMU tag read, RO
2053 case 0x48: // Interrupt dispatch, RO
2054 case 0x7f: // Incoming interrupt vector, RO
2055 case 0x82: // Primary no-fault, RO
2056 case 0x83: // Secondary no-fault, RO
2057 case 0x8a: // Primary no-fault LE, RO
2058 case 0x8b: // Secondary no-fault LE, RO
2060 do_unassigned_access(addr, 1, 0, 1);
2064 #endif /* CONFIG_USER_ONLY */
2066 void helper_ldda_asi(target_ulong addr, int asi, int rd)
2068 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2069 || ((env->def->features & CPU_FEATURE_HYPV)
2070 && asi >= 0x30 && asi < 0x80
2071 && !(env->hpstate & HS_PRIV)))
2072 raise_exception(TT_PRIV_ACT);
2075 case 0x24: // Nucleus quad LDD 128 bit atomic
2076 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2077 helper_check_align(addr, 0xf);
2079 env->gregs[1] = ldq_kernel(addr + 8);
2081 bswap64s(&env->gregs[1]);
2082 } else if (rd < 8) {
2083 env->gregs[rd] = ldq_kernel(addr);
2084 env->gregs[rd + 1] = ldq_kernel(addr + 8);
2086 bswap64s(&env->gregs[rd]);
2087 bswap64s(&env->gregs[rd + 1]);
2090 env->regwptr[rd] = ldq_kernel(addr);
2091 env->regwptr[rd + 1] = ldq_kernel(addr + 8);
2093 bswap64s(&env->regwptr[rd]);
2094 bswap64s(&env->regwptr[rd + 1]);
2099 helper_check_align(addr, 0x3);
2101 env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0);
2103 env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0);
2104 env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2106 env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0);
2107 env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2113 void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
2118 helper_check_align(addr, 3);
2120 case 0xf0: // Block load primary
2121 case 0xf1: // Block load secondary
2122 case 0xf8: // Block load primary LE
2123 case 0xf9: // Block load secondary LE
2125 raise_exception(TT_ILL_INSN);
2128 helper_check_align(addr, 0x3f);
2129 for (i = 0; i < 16; i++) {
2130 *(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4,
2140 val = helper_ld_asi(addr, asi, size, 0);
2144 *((uint32_t *)&env->fpr[rd]) = val;
2147 *((int64_t *)&DT0) = val;
2155 void helper_stf_asi(target_ulong addr, int asi, int size, int rd)
2158 target_ulong val = 0;
2160 helper_check_align(addr, 3);
2162 case 0xf0: // Block store primary
2163 case 0xf1: // Block store secondary
2164 case 0xf8: // Block store primary LE
2165 case 0xf9: // Block store secondary LE
2167 raise_exception(TT_ILL_INSN);
2170 helper_check_align(addr, 0x3f);
2171 for (i = 0; i < 16; i++) {
2172 val = *(uint32_t *)&env->fpr[rd++];
2173 helper_st_asi(addr, val, asi & 0x8f, 4);
2185 val = *((uint32_t *)&env->fpr[rd]);
2188 val = *((int64_t *)&DT0);
2194 helper_st_asi(addr, val, asi, size);
2197 target_ulong helper_cas_asi(target_ulong addr, target_ulong val1,
2198 target_ulong val2, uint32_t asi)
2202 val1 &= 0xffffffffUL;
2203 ret = helper_ld_asi(addr, asi, 4, 0);
2204 ret &= 0xffffffffUL;
2206 helper_st_asi(addr, val2 & 0xffffffffUL, asi, 4);
2210 target_ulong helper_casx_asi(target_ulong addr, target_ulong val1,
2211 target_ulong val2, uint32_t asi)
2215 ret = helper_ld_asi(addr, asi, 8, 0);
2217 helper_st_asi(addr, val2, asi, 8);
2220 #endif /* TARGET_SPARC64 */
2222 #ifndef TARGET_SPARC64
2223 void helper_rett(void)
2227 if (env->psret == 1)
2228 raise_exception(TT_ILL_INSN);
2231 cwp = cpu_cwp_inc(env, env->cwp + 1) ;
2232 if (env->wim & (1 << cwp)) {
2233 raise_exception(TT_WIN_UNF);
2236 env->psrs = env->psrps;
2240 target_ulong helper_udiv(target_ulong a, target_ulong b)
2245 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2249 raise_exception(TT_DIV_ZERO);
2253 if (x0 > 0xffffffff) {
2262 target_ulong helper_sdiv(target_ulong a, target_ulong b)
2267 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2271 raise_exception(TT_DIV_ZERO);
2275 if ((int32_t) x0 != x0) {
2277 return x0 < 0? 0x80000000: 0x7fffffff;
2284 void helper_stdf(target_ulong addr, int mem_idx)
2286 helper_check_align(addr, 7);
2287 #if !defined(CONFIG_USER_ONLY)
2290 stfq_user(addr, DT0);
2293 stfq_kernel(addr, DT0);
2295 #ifdef TARGET_SPARC64
2297 stfq_hypv(addr, DT0);
2304 address_mask(env, &addr);
2305 stfq_raw(addr, DT0);
2309 void helper_lddf(target_ulong addr, int mem_idx)
2311 helper_check_align(addr, 7);
2312 #if !defined(CONFIG_USER_ONLY)
2315 DT0 = ldfq_user(addr);
2318 DT0 = ldfq_kernel(addr);
2320 #ifdef TARGET_SPARC64
2322 DT0 = ldfq_hypv(addr);
2329 address_mask(env, &addr);
2330 DT0 = ldfq_raw(addr);
2334 void helper_ldqf(target_ulong addr, int mem_idx)
2336 // XXX add 128 bit load
2339 helper_check_align(addr, 7);
2340 #if !defined(CONFIG_USER_ONLY)
2343 u.ll.upper = ldq_user(addr);
2344 u.ll.lower = ldq_user(addr + 8);
2348 u.ll.upper = ldq_kernel(addr);
2349 u.ll.lower = ldq_kernel(addr + 8);
2352 #ifdef TARGET_SPARC64
2354 u.ll.upper = ldq_hypv(addr);
2355 u.ll.lower = ldq_hypv(addr + 8);
2363 address_mask(env, &addr);
2364 u.ll.upper = ldq_raw(addr);
2365 u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL);
2370 void helper_stqf(target_ulong addr, int mem_idx)
2372 // XXX add 128 bit store
2375 helper_check_align(addr, 7);
2376 #if !defined(CONFIG_USER_ONLY)
2380 stq_user(addr, u.ll.upper);
2381 stq_user(addr + 8, u.ll.lower);
2385 stq_kernel(addr, u.ll.upper);
2386 stq_kernel(addr + 8, u.ll.lower);
2388 #ifdef TARGET_SPARC64
2391 stq_hypv(addr, u.ll.upper);
2392 stq_hypv(addr + 8, u.ll.lower);
2400 address_mask(env, &addr);
2401 stq_raw(addr, u.ll.upper);
2402 stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower);
2406 static inline void set_fsr(void)
2410 switch (env->fsr & FSR_RD_MASK) {
2411 case FSR_RD_NEAREST:
2412 rnd_mode = float_round_nearest_even;
2416 rnd_mode = float_round_to_zero;
2419 rnd_mode = float_round_up;
2422 rnd_mode = float_round_down;
2425 set_float_rounding_mode(rnd_mode, &env->fp_status);
2428 void helper_ldfsr(uint32_t new_fsr)
2430 env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK);
2434 #ifdef TARGET_SPARC64
2435 void helper_ldxfsr(uint64_t new_fsr)
2437 env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK);
2442 void helper_debug(void)
2444 env->exception_index = EXCP_DEBUG;
2448 #ifndef TARGET_SPARC64
2449 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2451 void helper_save(void)
2455 cwp = cpu_cwp_dec(env, env->cwp - 1);
2456 if (env->wim & (1 << cwp)) {
2457 raise_exception(TT_WIN_OVF);
2462 void helper_restore(void)
2466 cwp = cpu_cwp_inc(env, env->cwp + 1);
2467 if (env->wim & (1 << cwp)) {
2468 raise_exception(TT_WIN_UNF);
2473 void helper_wrpsr(target_ulong new_psr)
2475 if ((new_psr & PSR_CWP) >= env->nwindows)
2476 raise_exception(TT_ILL_INSN);
2478 PUT_PSR(env, new_psr);
2481 target_ulong helper_rdpsr(void)
2483 return GET_PSR(env);
2487 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2489 void helper_save(void)
2493 cwp = cpu_cwp_dec(env, env->cwp - 1);
2494 if (env->cansave == 0) {
2495 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2496 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2497 ((env->wstate & 0x7) << 2)));
2499 if (env->cleanwin - env->canrestore == 0) {
2500 // XXX Clean windows without trap
2501 raise_exception(TT_CLRWIN);
2510 void helper_restore(void)
2514 cwp = cpu_cwp_inc(env, env->cwp + 1);
2515 if (env->canrestore == 0) {
2516 raise_exception(TT_FILL | (env->otherwin != 0 ?
2517 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2518 ((env->wstate & 0x7) << 2)));
2526 void helper_flushw(void)
2528 if (env->cansave != env->nwindows - 2) {
2529 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2530 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2531 ((env->wstate & 0x7) << 2)));
2535 void helper_saved(void)
2538 if (env->otherwin == 0)
2544 void helper_restored(void)
2547 if (env->cleanwin < env->nwindows - 1)
2549 if (env->otherwin == 0)
2555 target_ulong helper_rdccr(void)
2557 return GET_CCR(env);
2560 void helper_wrccr(target_ulong new_ccr)
2562 PUT_CCR(env, new_ccr);
2565 // CWP handling is reversed in V9, but we still use the V8 register
2567 target_ulong helper_rdcwp(void)
2569 return GET_CWP64(env);
2572 void helper_wrcwp(target_ulong new_cwp)
2574 PUT_CWP64(env, new_cwp);
2577 // This function uses non-native bit order
2578 #define GET_FIELD(X, FROM, TO) \
2579 ((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
2581 // This function uses the order in the manuals, i.e. bit 0 is 2^0
2582 #define GET_FIELD_SP(X, FROM, TO) \
2583 GET_FIELD(X, 63 - (TO), 63 - (FROM))
2585 target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
2587 return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
2588 (GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
2589 (GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
2590 (GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
2591 (GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
2592 (GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
2593 (((pixel_addr >> 55) & 1) << 4) |
2594 (GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
2595 GET_FIELD_SP(pixel_addr, 11, 12);
2598 target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
2602 tmp = addr + offset;
2604 env->gsr |= tmp & 7ULL;
2608 target_ulong helper_popc(target_ulong val)
2610 return ctpop64(val);
2613 static inline uint64_t *get_gregset(uint64_t pstate)
2628 static inline void change_pstate(uint64_t new_pstate)
2630 uint64_t pstate_regs, new_pstate_regs;
2631 uint64_t *src, *dst;
2633 pstate_regs = env->pstate & 0xc01;
2634 new_pstate_regs = new_pstate & 0xc01;
2635 if (new_pstate_regs != pstate_regs) {
2636 // Switch global register bank
2637 src = get_gregset(new_pstate_regs);
2638 dst = get_gregset(pstate_regs);
2639 memcpy32(dst, env->gregs);
2640 memcpy32(env->gregs, src);
2642 env->pstate = new_pstate;
2645 void helper_wrpstate(target_ulong new_state)
2647 if (!(env->def->features & CPU_FEATURE_GL))
2648 change_pstate(new_state & 0xf3f);
2651 void helper_done(void)
2653 env->pc = env->tsptr->tpc;
2654 env->npc = env->tsptr->tnpc + 4;
2655 PUT_CCR(env, env->tsptr->tstate >> 32);
2656 env->asi = (env->tsptr->tstate >> 24) & 0xff;
2657 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2658 PUT_CWP64(env, env->tsptr->tstate & 0xff);
2660 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2663 void helper_retry(void)
2665 env->pc = env->tsptr->tpc;
2666 env->npc = env->tsptr->tnpc;
2667 PUT_CCR(env, env->tsptr->tstate >> 32);
2668 env->asi = (env->tsptr->tstate >> 24) & 0xff;
2669 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2670 PUT_CWP64(env, env->tsptr->tstate & 0xff);
2672 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2676 void helper_flush(target_ulong addr)
2679 tb_invalidate_page_range(addr, addr + 8);
2682 #ifdef TARGET_SPARC64
2684 static const char * const excp_names[0x80] = {
2685 [TT_TFAULT] = "Instruction Access Fault",
2686 [TT_TMISS] = "Instruction Access MMU Miss",
2687 [TT_CODE_ACCESS] = "Instruction Access Error",
2688 [TT_ILL_INSN] = "Illegal Instruction",
2689 [TT_PRIV_INSN] = "Privileged Instruction",
2690 [TT_NFPU_INSN] = "FPU Disabled",
2691 [TT_FP_EXCP] = "FPU Exception",
2692 [TT_TOVF] = "Tag Overflow",
2693 [TT_CLRWIN] = "Clean Windows",
2694 [TT_DIV_ZERO] = "Division By Zero",
2695 [TT_DFAULT] = "Data Access Fault",
2696 [TT_DMISS] = "Data Access MMU Miss",
2697 [TT_DATA_ACCESS] = "Data Access Error",
2698 [TT_DPROT] = "Data Protection Error",
2699 [TT_UNALIGNED] = "Unaligned Memory Access",
2700 [TT_PRIV_ACT] = "Privileged Action",
2701 [TT_EXTINT | 0x1] = "External Interrupt 1",
2702 [TT_EXTINT | 0x2] = "External Interrupt 2",
2703 [TT_EXTINT | 0x3] = "External Interrupt 3",
2704 [TT_EXTINT | 0x4] = "External Interrupt 4",
2705 [TT_EXTINT | 0x5] = "External Interrupt 5",
2706 [TT_EXTINT | 0x6] = "External Interrupt 6",
2707 [TT_EXTINT | 0x7] = "External Interrupt 7",
2708 [TT_EXTINT | 0x8] = "External Interrupt 8",
2709 [TT_EXTINT | 0x9] = "External Interrupt 9",
2710 [TT_EXTINT | 0xa] = "External Interrupt 10",
2711 [TT_EXTINT | 0xb] = "External Interrupt 11",
2712 [TT_EXTINT | 0xc] = "External Interrupt 12",
2713 [TT_EXTINT | 0xd] = "External Interrupt 13",
2714 [TT_EXTINT | 0xe] = "External Interrupt 14",
2715 [TT_EXTINT | 0xf] = "External Interrupt 15",
2719 void do_interrupt(CPUState *env)
2721 int intno = env->exception_index;
2724 if (loglevel & CPU_LOG_INT) {
2728 if (intno < 0 || intno >= 0x180)
2730 else if (intno >= 0x100)
2731 name = "Trap Instruction";
2732 else if (intno >= 0xc0)
2733 name = "Window Fill";
2734 else if (intno >= 0x80)
2735 name = "Window Spill";
2737 name = excp_names[intno];
2742 fprintf(logfile, "%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
2743 " SP=%016" PRIx64 "\n",
2746 env->npc, env->regwptr[6]);
2747 cpu_dump_state(env, logfile, fprintf, 0);
2753 fprintf(logfile, " code=");
2754 ptr = (uint8_t *)env->pc;
2755 for(i = 0; i < 16; i++) {
2756 fprintf(logfile, " %02x", ldub(ptr + i));
2758 fprintf(logfile, "\n");
2764 #if !defined(CONFIG_USER_ONLY)
2765 if (env->tl >= env->maxtl) {
2766 cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
2767 " Error state", env->exception_index, env->tl, env->maxtl);
2771 if (env->tl < env->maxtl - 1) {
2774 env->pstate |= PS_RED;
2775 if (env->tl < env->maxtl)
2778 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2779 env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
2780 ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
2782 env->tsptr->tpc = env->pc;
2783 env->tsptr->tnpc = env->npc;
2784 env->tsptr->tt = intno;
2785 if (!(env->def->features & CPU_FEATURE_GL)) {
2788 change_pstate(PS_PEF | PS_PRIV | PS_IG);
2795 change_pstate(PS_PEF | PS_PRIV | PS_MG);
2798 change_pstate(PS_PEF | PS_PRIV | PS_AG);
2802 if (intno == TT_CLRWIN)
2803 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
2804 else if ((intno & 0x1c0) == TT_SPILL)
2805 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
2806 else if ((intno & 0x1c0) == TT_FILL)
2807 cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
2808 env->tbr &= ~0x7fffULL;
2809 env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
2811 env->npc = env->pc + 4;
2812 env->exception_index = 0;
2816 static const char * const excp_names[0x80] = {
2817 [TT_TFAULT] = "Instruction Access Fault",
2818 [TT_ILL_INSN] = "Illegal Instruction",
2819 [TT_PRIV_INSN] = "Privileged Instruction",
2820 [TT_NFPU_INSN] = "FPU Disabled",
2821 [TT_WIN_OVF] = "Window Overflow",
2822 [TT_WIN_UNF] = "Window Underflow",
2823 [TT_UNALIGNED] = "Unaligned Memory Access",
2824 [TT_FP_EXCP] = "FPU Exception",
2825 [TT_DFAULT] = "Data Access Fault",
2826 [TT_TOVF] = "Tag Overflow",
2827 [TT_EXTINT | 0x1] = "External Interrupt 1",
2828 [TT_EXTINT | 0x2] = "External Interrupt 2",
2829 [TT_EXTINT | 0x3] = "External Interrupt 3",
2830 [TT_EXTINT | 0x4] = "External Interrupt 4",
2831 [TT_EXTINT | 0x5] = "External Interrupt 5",
2832 [TT_EXTINT | 0x6] = "External Interrupt 6",
2833 [TT_EXTINT | 0x7] = "External Interrupt 7",
2834 [TT_EXTINT | 0x8] = "External Interrupt 8",
2835 [TT_EXTINT | 0x9] = "External Interrupt 9",
2836 [TT_EXTINT | 0xa] = "External Interrupt 10",
2837 [TT_EXTINT | 0xb] = "External Interrupt 11",
2838 [TT_EXTINT | 0xc] = "External Interrupt 12",
2839 [TT_EXTINT | 0xd] = "External Interrupt 13",
2840 [TT_EXTINT | 0xe] = "External Interrupt 14",
2841 [TT_EXTINT | 0xf] = "External Interrupt 15",
2842 [TT_TOVF] = "Tag Overflow",
2843 [TT_CODE_ACCESS] = "Instruction Access Error",
2844 [TT_DATA_ACCESS] = "Data Access Error",
2845 [TT_DIV_ZERO] = "Division By Zero",
2846 [TT_NCP_INSN] = "Coprocessor Disabled",
2850 void do_interrupt(CPUState *env)
2852 int cwp, intno = env->exception_index;
2855 if (loglevel & CPU_LOG_INT) {
2859 if (intno < 0 || intno >= 0x100)
2861 else if (intno >= 0x80)
2862 name = "Trap Instruction";
2864 name = excp_names[intno];
2869 fprintf(logfile, "%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
2872 env->npc, env->regwptr[6]);
2873 cpu_dump_state(env, logfile, fprintf, 0);
2879 fprintf(logfile, " code=");
2880 ptr = (uint8_t *)env->pc;
2881 for(i = 0; i < 16; i++) {
2882 fprintf(logfile, " %02x", ldub(ptr + i));
2884 fprintf(logfile, "\n");
2890 #if !defined(CONFIG_USER_ONLY)
2891 if (env->psret == 0) {
2892 cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
2893 env->exception_index);
2898 cwp = cpu_cwp_dec(env, env->cwp - 1);
2899 cpu_set_cwp(env, cwp);
2900 env->regwptr[9] = env->pc;
2901 env->regwptr[10] = env->npc;
2902 env->psrps = env->psrs;
2904 env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
2906 env->npc = env->pc + 4;
2907 env->exception_index = 0;
2911 #if !defined(CONFIG_USER_ONLY)
2913 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
2916 #define MMUSUFFIX _mmu
2917 #define ALIGNED_ONLY
2920 #include "softmmu_template.h"
2923 #include "softmmu_template.h"
2926 #include "softmmu_template.h"
2929 #include "softmmu_template.h"
2931 /* XXX: make it generic ? */
2932 static void cpu_restore_state2(void *retaddr)
2934 TranslationBlock *tb;
2938 /* now we have a real cpu fault */
2939 pc = (unsigned long)retaddr;
2940 tb = tb_find_pc(pc);
2942 /* the PC is inside the translated code. It means that we have
2943 a virtual CPU fault */
2944 cpu_restore_state(tb, env, pc, (void *)(long)env->cond);
2949 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
2952 #ifdef DEBUG_UNALIGNED
2953 printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
2954 "\n", addr, env->pc);
2956 cpu_restore_state2(retaddr);
2957 raise_exception(TT_UNALIGNED);
2960 /* try to fill the TLB and return an exception if error. If retaddr is
2961 NULL, it means that the function was called in C code (i.e. not
2962 from generated code or from helper.c) */
2963 /* XXX: fix it to restore all registers */
2964 void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
2967 CPUState *saved_env;
2969 /* XXX: hack to restore env in all cases, even if not called from
2972 env = cpu_single_env;
2974 ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
2976 cpu_restore_state2(retaddr);
2984 #ifndef TARGET_SPARC64
2985 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
2988 CPUState *saved_env;
2990 /* XXX: hack to restore env in all cases, even if not called from
2993 env = cpu_single_env;
2994 #ifdef DEBUG_UNASSIGNED
2996 printf("Unassigned mem %s access to " TARGET_FMT_plx
2997 " asi 0x%02x from " TARGET_FMT_lx "\n",
2998 is_exec ? "exec" : is_write ? "write" : "read", addr, is_asi,
3001 printf("Unassigned mem %s access to " TARGET_FMT_plx " from "
3003 is_exec ? "exec" : is_write ? "write" : "read", addr, env->pc);
3005 if (env->mmuregs[3]) /* Fault status register */
3006 env->mmuregs[3] = 1; /* overflow (not read before another fault) */
3008 env->mmuregs[3] |= 1 << 16;
3010 env->mmuregs[3] |= 1 << 5;
3012 env->mmuregs[3] |= 1 << 6;
3014 env->mmuregs[3] |= 1 << 7;
3015 env->mmuregs[3] |= (5 << 2) | 2;
3016 env->mmuregs[4] = addr; /* Fault address register */
3017 if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) {
3019 raise_exception(TT_CODE_ACCESS);
3021 raise_exception(TT_DATA_ACCESS);
3026 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3029 #ifdef DEBUG_UNASSIGNED
3030 CPUState *saved_env;
3032 /* XXX: hack to restore env in all cases, even if not called from
3035 env = cpu_single_env;
3036 printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx
3037 "\n", addr, env->pc);
3041 raise_exception(TT_CODE_ACCESS);
3043 raise_exception(TT_DATA_ACCESS);