2 #include "host-utils.h"
8 //#define DEBUG_UNALIGNED
9 //#define DEBUG_UNASSIGNED
13 #define DPRINTF_MMU(fmt, args...) \
14 do { printf("MMU: " fmt , ##args); } while (0)
16 #define DPRINTF_MMU(fmt, args...)
20 #define DPRINTF_MXCC(fmt, args...) \
21 do { printf("MXCC: " fmt , ##args); } while (0)
23 #define DPRINTF_MXCC(fmt, args...)
27 #define DPRINTF_ASI(fmt, args...) \
28 do { printf("ASI: " fmt , ##args); } while (0)
30 #define DPRINTF_ASI(fmt, args...)
33 void raise_exception(int tt)
35 env->exception_index = tt;
39 void helper_trap(target_ulong nb_trap)
41 env->exception_index = TT_TRAP + (nb_trap & 0x7f);
45 void helper_trapcc(target_ulong nb_trap, target_ulong do_trap)
48 env->exception_index = TT_TRAP + (nb_trap & 0x7f);
53 void helper_check_align(target_ulong addr, uint32_t align)
56 raise_exception(TT_UNALIGNED);
59 #define F_HELPER(name, p) void helper_f##name##p(void)
61 #if defined(CONFIG_USER_ONLY)
62 #define F_BINOP(name) \
65 FT0 = float32_ ## name (FT0, FT1, &env->fp_status); \
69 DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \
73 QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \
76 #define F_BINOP(name) \
79 FT0 = float32_ ## name (FT0, FT1, &env->fp_status); \
83 DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \
93 void helper_fsmuld(void)
95 DT0 = float64_mul(float32_to_float64(FT0, &env->fp_status),
96 float32_to_float64(FT1, &env->fp_status),
100 #if defined(CONFIG_USER_ONLY)
101 void helper_fdmulq(void)
103 QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status),
104 float64_to_float128(DT1, &env->fp_status),
111 FT0 = float32_chs(FT1);
114 #ifdef TARGET_SPARC64
117 DT0 = float64_chs(DT1);
120 #if defined(CONFIG_USER_ONLY)
123 QT0 = float128_chs(QT1);
128 /* Integer to float conversion. */
131 FT0 = int32_to_float32(*((int32_t *)&FT1), &env->fp_status);
136 DT0 = int32_to_float64(*((int32_t *)&FT1), &env->fp_status);
139 #if defined(CONFIG_USER_ONLY)
142 QT0 = int32_to_float128(*((int32_t *)&FT1), &env->fp_status);
146 #ifdef TARGET_SPARC64
149 FT0 = int64_to_float32(*((int64_t *)&DT1), &env->fp_status);
154 DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status);
156 #if defined(CONFIG_USER_ONLY)
159 QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status);
165 /* floating point conversion */
166 void helper_fdtos(void)
168 FT0 = float64_to_float32(DT1, &env->fp_status);
171 void helper_fstod(void)
173 DT0 = float32_to_float64(FT1, &env->fp_status);
176 #if defined(CONFIG_USER_ONLY)
177 void helper_fqtos(void)
179 FT0 = float128_to_float32(QT1, &env->fp_status);
182 void helper_fstoq(void)
184 QT0 = float32_to_float128(FT1, &env->fp_status);
187 void helper_fqtod(void)
189 DT0 = float128_to_float64(QT1, &env->fp_status);
192 void helper_fdtoq(void)
194 QT0 = float64_to_float128(DT1, &env->fp_status);
198 /* Float to integer conversion. */
199 void helper_fstoi(void)
201 *((int32_t *)&FT0) = float32_to_int32_round_to_zero(FT1, &env->fp_status);
204 void helper_fdtoi(void)
206 *((int32_t *)&FT0) = float64_to_int32_round_to_zero(DT1, &env->fp_status);
209 #if defined(CONFIG_USER_ONLY)
210 void helper_fqtoi(void)
212 *((int32_t *)&FT0) = float128_to_int32_round_to_zero(QT1, &env->fp_status);
216 #ifdef TARGET_SPARC64
217 void helper_fstox(void)
219 *((int64_t *)&DT0) = float32_to_int64_round_to_zero(FT1, &env->fp_status);
222 void helper_fdtox(void)
224 *((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status);
227 #if defined(CONFIG_USER_ONLY)
228 void helper_fqtox(void)
230 *((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status);
234 void helper_faligndata(void)
238 tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8);
239 tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8);
240 *((uint64_t *)&DT0) = tmp;
243 void helper_movl_FT0_0(void)
245 *((uint32_t *)&FT0) = 0;
248 void helper_movl_DT0_0(void)
250 *((uint64_t *)&DT0) = 0;
253 void helper_movl_FT0_1(void)
255 *((uint32_t *)&FT0) = 0xffffffff;
258 void helper_movl_DT0_1(void)
260 *((uint64_t *)&DT0) = 0xffffffffffffffffULL;
263 void helper_fnot(void)
265 *(uint64_t *)&DT0 = ~*(uint64_t *)&DT1;
268 void helper_fnots(void)
270 *(uint32_t *)&FT0 = ~*(uint32_t *)&FT1;
273 void helper_fnor(void)
275 *(uint64_t *)&DT0 = ~(*(uint64_t *)&DT0 | *(uint64_t *)&DT1);
278 void helper_fnors(void)
280 *(uint32_t *)&FT0 = ~(*(uint32_t *)&FT0 | *(uint32_t *)&FT1);
283 void helper_for(void)
285 *(uint64_t *)&DT0 |= *(uint64_t *)&DT1;
288 void helper_fors(void)
290 *(uint32_t *)&FT0 |= *(uint32_t *)&FT1;
293 void helper_fxor(void)
295 *(uint64_t *)&DT0 ^= *(uint64_t *)&DT1;
298 void helper_fxors(void)
300 *(uint32_t *)&FT0 ^= *(uint32_t *)&FT1;
303 void helper_fand(void)
305 *(uint64_t *)&DT0 &= *(uint64_t *)&DT1;
308 void helper_fands(void)
310 *(uint32_t *)&FT0 &= *(uint32_t *)&FT1;
313 void helper_fornot(void)
315 *(uint64_t *)&DT0 = *(uint64_t *)&DT0 | ~*(uint64_t *)&DT1;
318 void helper_fornots(void)
320 *(uint32_t *)&FT0 = *(uint32_t *)&FT0 | ~*(uint32_t *)&FT1;
323 void helper_fandnot(void)
325 *(uint64_t *)&DT0 = *(uint64_t *)&DT0 & ~*(uint64_t *)&DT1;
328 void helper_fandnots(void)
330 *(uint32_t *)&FT0 = *(uint32_t *)&FT0 & ~*(uint32_t *)&FT1;
333 void helper_fnand(void)
335 *(uint64_t *)&DT0 = ~(*(uint64_t *)&DT0 & *(uint64_t *)&DT1);
338 void helper_fnands(void)
340 *(uint32_t *)&FT0 = ~(*(uint32_t *)&FT0 & *(uint32_t *)&FT1);
343 void helper_fxnor(void)
345 *(uint64_t *)&DT0 ^= ~*(uint64_t *)&DT1;
348 void helper_fxnors(void)
350 *(uint32_t *)&FT0 ^= ~*(uint32_t *)&FT1;
353 #ifdef WORDS_BIGENDIAN
354 #define VIS_B64(n) b[7 - (n)]
355 #define VIS_W64(n) w[3 - (n)]
356 #define VIS_SW64(n) sw[3 - (n)]
357 #define VIS_L64(n) l[1 - (n)]
358 #define VIS_B32(n) b[3 - (n)]
359 #define VIS_W32(n) w[1 - (n)]
361 #define VIS_B64(n) b[n]
362 #define VIS_W64(n) w[n]
363 #define VIS_SW64(n) sw[n]
364 #define VIS_L64(n) l[n]
365 #define VIS_B32(n) b[n]
366 #define VIS_W32(n) w[n]
384 void helper_fpmerge(void)
391 // Reverse calculation order to handle overlap
392 d.VIS_B64(7) = s.VIS_B64(3);
393 d.VIS_B64(6) = d.VIS_B64(3);
394 d.VIS_B64(5) = s.VIS_B64(2);
395 d.VIS_B64(4) = d.VIS_B64(2);
396 d.VIS_B64(3) = s.VIS_B64(1);
397 d.VIS_B64(2) = d.VIS_B64(1);
398 d.VIS_B64(1) = s.VIS_B64(0);
399 //d.VIS_B64(0) = d.VIS_B64(0);
404 void helper_fmul8x16(void)
413 tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \
414 if ((tmp & 0xff) > 0x7f) \
416 d.VIS_W64(r) = tmp >> 8;
427 void helper_fmul8x16al(void)
436 tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \
437 if ((tmp & 0xff) > 0x7f) \
439 d.VIS_W64(r) = tmp >> 8;
450 void helper_fmul8x16au(void)
459 tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
460 if ((tmp & 0xff) > 0x7f) \
462 d.VIS_W64(r) = tmp >> 8;
473 void helper_fmul8sux16(void)
482 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
483 if ((tmp & 0xff) > 0x7f) \
485 d.VIS_W64(r) = tmp >> 8;
496 void helper_fmul8ulx16(void)
505 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
506 if ((tmp & 0xff) > 0x7f) \
508 d.VIS_W64(r) = tmp >> 8;
519 void helper_fmuld8sux16(void)
528 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
529 if ((tmp & 0xff) > 0x7f) \
533 // Reverse calculation order to handle overlap
541 void helper_fmuld8ulx16(void)
550 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
551 if ((tmp & 0xff) > 0x7f) \
555 // Reverse calculation order to handle overlap
563 void helper_fexpand(void)
568 s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
570 d.VIS_L64(0) = s.VIS_W32(0) << 4;
571 d.VIS_L64(1) = s.VIS_W32(1) << 4;
572 d.VIS_L64(2) = s.VIS_W32(2) << 4;
573 d.VIS_L64(3) = s.VIS_W32(3) << 4;
578 #define VIS_HELPER(name, F) \
579 void name##16(void) \
586 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \
587 d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \
588 d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \
589 d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \
594 void name##16s(void) \
601 d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \
602 d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \
607 void name##32(void) \
614 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \
615 d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \
620 void name##32s(void) \
632 #define FADD(a, b) ((a) + (b))
633 #define FSUB(a, b) ((a) - (b))
634 VIS_HELPER(helper_fpadd, FADD)
635 VIS_HELPER(helper_fpsub, FSUB)
637 #define VIS_CMPHELPER(name, F) \
638 void name##16(void) \
645 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0))? 1: 0; \
646 d.VIS_W64(0) |= F(d.VIS_W64(1), s.VIS_W64(1))? 2: 0; \
647 d.VIS_W64(0) |= F(d.VIS_W64(2), s.VIS_W64(2))? 4: 0; \
648 d.VIS_W64(0) |= F(d.VIS_W64(3), s.VIS_W64(3))? 8: 0; \
653 void name##32(void) \
660 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0))? 1: 0; \
661 d.VIS_L64(0) |= F(d.VIS_L64(1), s.VIS_L64(1))? 2: 0; \
666 #define FCMPGT(a, b) ((a) > (b))
667 #define FCMPEQ(a, b) ((a) == (b))
668 #define FCMPLE(a, b) ((a) <= (b))
669 #define FCMPNE(a, b) ((a) != (b))
671 VIS_CMPHELPER(helper_fcmpgt, FCMPGT)
672 VIS_CMPHELPER(helper_fcmpeq, FCMPEQ)
673 VIS_CMPHELPER(helper_fcmple, FCMPLE)
674 VIS_CMPHELPER(helper_fcmpne, FCMPNE)
677 void helper_check_ieee_exceptions(void)
681 status = get_float_exception_flags(&env->fp_status);
683 /* Copy IEEE 754 flags into FSR */
684 if (status & float_flag_invalid)
686 if (status & float_flag_overflow)
688 if (status & float_flag_underflow)
690 if (status & float_flag_divbyzero)
692 if (status & float_flag_inexact)
695 if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) {
696 /* Unmasked exception, generate a trap */
697 env->fsr |= FSR_FTT_IEEE_EXCP;
698 raise_exception(TT_FP_EXCP);
700 /* Accumulate exceptions */
701 env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5;
706 void helper_clear_float_exceptions(void)
708 set_float_exception_flags(0, &env->fp_status);
711 void helper_fabss(void)
713 FT0 = float32_abs(FT1);
716 #ifdef TARGET_SPARC64
717 void helper_fabsd(void)
719 DT0 = float64_abs(DT1);
722 #if defined(CONFIG_USER_ONLY)
723 void helper_fabsq(void)
725 QT0 = float128_abs(QT1);
730 void helper_fsqrts(void)
732 FT0 = float32_sqrt(FT1, &env->fp_status);
735 void helper_fsqrtd(void)
737 DT0 = float64_sqrt(DT1, &env->fp_status);
740 #if defined(CONFIG_USER_ONLY)
741 void helper_fsqrtq(void)
743 QT0 = float128_sqrt(QT1, &env->fp_status);
747 #define GEN_FCMP(name, size, reg1, reg2, FS, TRAP) \
748 void glue(helper_, name) (void) \
750 target_ulong new_fsr; \
752 env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
753 switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
754 case float_relation_unordered: \
755 new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \
756 if ((env->fsr & FSR_NVM) || TRAP) { \
757 env->fsr |= new_fsr; \
758 env->fsr |= FSR_NVC; \
759 env->fsr |= FSR_FTT_IEEE_EXCP; \
760 raise_exception(TT_FP_EXCP); \
762 env->fsr |= FSR_NVA; \
765 case float_relation_less: \
766 new_fsr = FSR_FCC0 << FS; \
768 case float_relation_greater: \
769 new_fsr = FSR_FCC1 << FS; \
775 env->fsr |= new_fsr; \
778 GEN_FCMP(fcmps, float32, FT0, FT1, 0, 0);
779 GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0);
781 GEN_FCMP(fcmpes, float32, FT0, FT1, 0, 1);
782 GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1);
784 #ifdef CONFIG_USER_ONLY
785 GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0);
786 GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1);
789 #ifdef TARGET_SPARC64
790 GEN_FCMP(fcmps_fcc1, float32, FT0, FT1, 22, 0);
791 GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
793 GEN_FCMP(fcmps_fcc2, float32, FT0, FT1, 24, 0);
794 GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
796 GEN_FCMP(fcmps_fcc3, float32, FT0, FT1, 26, 0);
797 GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
799 GEN_FCMP(fcmpes_fcc1, float32, FT0, FT1, 22, 1);
800 GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
802 GEN_FCMP(fcmpes_fcc2, float32, FT0, FT1, 24, 1);
803 GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
805 GEN_FCMP(fcmpes_fcc3, float32, FT0, FT1, 26, 1);
806 GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
807 #ifdef CONFIG_USER_ONLY
808 GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
809 GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
810 GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
811 GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
812 GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
813 GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
817 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && defined(DEBUG_MXCC)
818 static void dump_mxcc(CPUState *env)
820 printf("mxccdata: %016llx %016llx %016llx %016llx\n",
821 env->mxccdata[0], env->mxccdata[1], env->mxccdata[2], env->mxccdata[3]);
822 printf("mxccregs: %016llx %016llx %016llx %016llx\n"
823 " %016llx %016llx %016llx %016llx\n",
824 env->mxccregs[0], env->mxccregs[1], env->mxccregs[2], env->mxccregs[3],
825 env->mxccregs[4], env->mxccregs[5], env->mxccregs[6], env->mxccregs[7]);
829 #if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
830 && defined(DEBUG_ASI)
831 static void dump_asi(const char *txt, target_ulong addr, int asi, int size,
837 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt,
838 addr, asi, r1 & 0xff);
841 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt,
842 addr, asi, r1 & 0xffff);
845 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt,
846 addr, asi, r1 & 0xffffffff);
849 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt,
856 #ifndef TARGET_SPARC64
857 #ifndef CONFIG_USER_ONLY
858 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
861 #if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
862 uint32_t last_addr = addr;
866 case 2: /* SuperSparc MXCC registers */
868 case 0x01c00a00: /* MXCC control register */
870 ret = env->mxccregs[3];
872 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
874 case 0x01c00a04: /* MXCC control register */
876 ret = env->mxccregs[3];
878 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
880 case 0x01c00c00: /* Module reset register */
882 ret = env->mxccregs[5];
883 // should we do something here?
885 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
887 case 0x01c00f00: /* MBus port address register */
889 ret = env->mxccregs[7];
891 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
894 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr, size);
897 DPRINTF_MXCC("asi = %d, size = %d, sign = %d, addr = %08x -> ret = %08x,"
898 "addr = %08x\n", asi, size, sign, last_addr, ret, addr);
903 case 3: /* MMU probe */
907 mmulev = (addr >> 8) & 15;
911 ret = mmu_probe(env, addr, mmulev);
912 DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n",
916 case 4: /* read MMU regs */
918 int reg = (addr >> 8) & 0x1f;
920 ret = env->mmuregs[reg];
921 if (reg == 3) /* Fault status cleared on read */
923 else if (reg == 0x13) /* Fault status read */
924 ret = env->mmuregs[3];
925 else if (reg == 0x14) /* Fault address read */
926 ret = env->mmuregs[4];
927 DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret);
930 case 5: // Turbosparc ITLB Diagnostic
931 case 6: // Turbosparc DTLB Diagnostic
932 case 7: // Turbosparc IOTLB Diagnostic
934 case 9: /* Supervisor code access */
937 ret = ldub_code(addr);
940 ret = lduw_code(addr & ~1);
944 ret = ldl_code(addr & ~3);
947 ret = ldq_code(addr & ~7);
951 case 0xa: /* User data access */
954 ret = ldub_user(addr);
957 ret = lduw_user(addr & ~1);
961 ret = ldl_user(addr & ~3);
964 ret = ldq_user(addr & ~7);
968 case 0xb: /* Supervisor data access */
971 ret = ldub_kernel(addr);
974 ret = lduw_kernel(addr & ~1);
978 ret = ldl_kernel(addr & ~3);
981 ret = ldq_kernel(addr & ~7);
985 case 0xc: /* I-cache tag */
986 case 0xd: /* I-cache data */
987 case 0xe: /* D-cache tag */
988 case 0xf: /* D-cache data */
990 case 0x20: /* MMU passthrough */
993 ret = ldub_phys(addr);
996 ret = lduw_phys(addr & ~1);
1000 ret = ldl_phys(addr & ~3);
1003 ret = ldq_phys(addr & ~7);
1007 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1010 ret = ldub_phys((target_phys_addr_t)addr
1011 | ((target_phys_addr_t)(asi & 0xf) << 32));
1014 ret = lduw_phys((target_phys_addr_t)(addr & ~1)
1015 | ((target_phys_addr_t)(asi & 0xf) << 32));
1019 ret = ldl_phys((target_phys_addr_t)(addr & ~3)
1020 | ((target_phys_addr_t)(asi & 0xf) << 32));
1023 ret = ldq_phys((target_phys_addr_t)(addr & ~7)
1024 | ((target_phys_addr_t)(asi & 0xf) << 32));
1028 case 0x30: // Turbosparc secondary cache diagnostic
1029 case 0x31: // Turbosparc RAM snoop
1030 case 0x32: // Turbosparc page table descriptor diagnostic
1031 case 0x39: /* data cache diagnostic register */
1034 case 8: /* User code access, XXX */
1036 do_unassigned_access(addr, 0, 0, asi);
1046 ret = (int16_t) ret;
1049 ret = (int32_t) ret;
1056 dump_asi("read ", last_addr, asi, size, ret);
1061 void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size)
1064 case 2: /* SuperSparc MXCC registers */
1066 case 0x01c00000: /* MXCC stream data register 0 */
1068 env->mxccdata[0] = val;
1070 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1072 case 0x01c00008: /* MXCC stream data register 1 */
1074 env->mxccdata[1] = val;
1076 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1078 case 0x01c00010: /* MXCC stream data register 2 */
1080 env->mxccdata[2] = val;
1082 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1084 case 0x01c00018: /* MXCC stream data register 3 */
1086 env->mxccdata[3] = val;
1088 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1090 case 0x01c00100: /* MXCC stream source */
1092 env->mxccregs[0] = val;
1094 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1095 env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + 0);
1096 env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + 8);
1097 env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + 16);
1098 env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + 24);
1100 case 0x01c00200: /* MXCC stream destination */
1102 env->mxccregs[1] = val;
1104 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1105 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0, env->mxccdata[0]);
1106 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8, env->mxccdata[1]);
1107 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16, env->mxccdata[2]);
1108 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24, env->mxccdata[3]);
1110 case 0x01c00a00: /* MXCC control register */
1112 env->mxccregs[3] = val;
1114 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1116 case 0x01c00a04: /* MXCC control register */
1118 env->mxccregs[3] = (env->mxccregs[0xa] & 0xffffffff00000000ULL) | val;
1120 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1122 case 0x01c00e00: /* MXCC error register */
1123 // writing a 1 bit clears the error
1125 env->mxccregs[6] &= ~val;
1127 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1129 case 0x01c00f00: /* MBus port address register */
1131 env->mxccregs[7] = val;
1133 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1136 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr, size);
1139 DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %08x\n", asi, size, addr, val);
1144 case 3: /* MMU flush */
1148 mmulev = (addr >> 8) & 15;
1149 DPRINTF_MMU("mmu flush level %d\n", mmulev);
1151 case 0: // flush page
1152 tlb_flush_page(env, addr & 0xfffff000);
1154 case 1: // flush segment (256k)
1155 case 2: // flush region (16M)
1156 case 3: // flush context (4G)
1157 case 4: // flush entire
1168 case 4: /* write MMU regs */
1170 int reg = (addr >> 8) & 0x1f;
1173 oldreg = env->mmuregs[reg];
1175 case 0: // Control Register
1176 env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
1178 // Mappings generated during no-fault mode or MMU
1179 // disabled mode are invalid in normal mode
1180 if ((oldreg & (MMU_E | MMU_NF | env->mmu_bm)) !=
1181 (env->mmuregs[reg] & (MMU_E | MMU_NF | env->mmu_bm)))
1184 case 1: // Context Table Pointer Register
1185 env->mmuregs[reg] = val & env->mmu_ctpr_mask;
1187 case 2: // Context Register
1188 env->mmuregs[reg] = val & env->mmu_cxr_mask;
1189 if (oldreg != env->mmuregs[reg]) {
1190 /* we flush when the MMU context changes because
1191 QEMU has no MMU context support */
1195 case 3: // Synchronous Fault Status Register with Clear
1196 case 4: // Synchronous Fault Address Register
1198 case 0x10: // TLB Replacement Control Register
1199 env->mmuregs[reg] = val & env->mmu_trcr_mask;
1201 case 0x13: // Synchronous Fault Status Register with Read and Clear
1202 env->mmuregs[3] = val & env->mmu_sfsr_mask;
1204 case 0x14: // Synchronous Fault Address Register
1205 env->mmuregs[4] = val;
1208 env->mmuregs[reg] = val;
1211 if (oldreg != env->mmuregs[reg]) {
1212 DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n", reg, oldreg, env->mmuregs[reg]);
1219 case 5: // Turbosparc ITLB Diagnostic
1220 case 6: // Turbosparc DTLB Diagnostic
1221 case 7: // Turbosparc IOTLB Diagnostic
1223 case 0xa: /* User data access */
1226 stb_user(addr, val);
1229 stw_user(addr & ~1, val);
1233 stl_user(addr & ~3, val);
1236 stq_user(addr & ~7, val);
1240 case 0xb: /* Supervisor data access */
1243 stb_kernel(addr, val);
1246 stw_kernel(addr & ~1, val);
1250 stl_kernel(addr & ~3, val);
1253 stq_kernel(addr & ~7, val);
1257 case 0xc: /* I-cache tag */
1258 case 0xd: /* I-cache data */
1259 case 0xe: /* D-cache tag */
1260 case 0xf: /* D-cache data */
1261 case 0x10: /* I/D-cache flush page */
1262 case 0x11: /* I/D-cache flush segment */
1263 case 0x12: /* I/D-cache flush region */
1264 case 0x13: /* I/D-cache flush context */
1265 case 0x14: /* I/D-cache flush user */
1267 case 0x17: /* Block copy, sta access */
1273 uint32_t src = val & ~3, dst = addr & ~3, temp;
1275 for (i = 0; i < 32; i += 4, src += 4, dst += 4) {
1276 temp = ldl_kernel(src);
1277 stl_kernel(dst, temp);
1281 case 0x1f: /* Block fill, stda access */
1284 // fill 32 bytes with val
1286 uint32_t dst = addr & 7;
1288 for (i = 0; i < 32; i += 8, dst += 8)
1289 stq_kernel(dst, val);
1292 case 0x20: /* MMU passthrough */
1296 stb_phys(addr, val);
1299 stw_phys(addr & ~1, val);
1303 stl_phys(addr & ~3, val);
1306 stq_phys(addr & ~7, val);
1311 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1315 stb_phys((target_phys_addr_t)addr
1316 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1319 stw_phys((target_phys_addr_t)(addr & ~1)
1320 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1324 stl_phys((target_phys_addr_t)(addr & ~3)
1325 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1328 stq_phys((target_phys_addr_t)(addr & ~7)
1329 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1334 case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic
1335 case 0x31: // store buffer data, Ross RT620 I-cache flush or
1336 // Turbosparc snoop RAM
1337 case 0x32: // store buffer control or Turbosparc page table descriptor diagnostic
1338 case 0x36: /* I-cache flash clear */
1339 case 0x37: /* D-cache flash clear */
1340 case 0x38: /* breakpoint diagnostics */
1341 case 0x4c: /* breakpoint action */
1343 case 8: /* User code access, XXX */
1344 case 9: /* Supervisor code access, XXX */
1346 do_unassigned_access(addr, 1, 0, asi);
1350 dump_asi("write", addr, asi, size, val);
1354 #endif /* CONFIG_USER_ONLY */
1355 #else /* TARGET_SPARC64 */
1357 #ifdef CONFIG_USER_ONLY
1358 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1361 #if defined(DEBUG_ASI)
1362 target_ulong last_addr = addr;
1366 raise_exception(TT_PRIV_ACT);
1369 case 0x80: // Primary
1370 case 0x82: // Primary no-fault
1371 case 0x88: // Primary LE
1372 case 0x8a: // Primary no-fault LE
1376 ret = ldub_raw(addr);
1379 ret = lduw_raw(addr & ~1);
1382 ret = ldl_raw(addr & ~3);
1386 ret = ldq_raw(addr & ~7);
1391 case 0x81: // Secondary
1392 case 0x83: // Secondary no-fault
1393 case 0x89: // Secondary LE
1394 case 0x8b: // Secondary no-fault LE
1401 /* Convert from little endian */
1403 case 0x88: // Primary LE
1404 case 0x89: // Secondary LE
1405 case 0x8a: // Primary no-fault LE
1406 case 0x8b: // Secondary no-fault LE
1424 /* Convert to signed number */
1431 ret = (int16_t) ret;
1434 ret = (int32_t) ret;
1441 dump_asi("read ", last_addr, asi, size, ret);
1446 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1449 dump_asi("write", addr, asi, size, val);
1452 raise_exception(TT_PRIV_ACT);
1454 /* Convert to little endian */
1456 case 0x88: // Primary LE
1457 case 0x89: // Secondary LE
1460 addr = bswap16(addr);
1463 addr = bswap32(addr);
1466 addr = bswap64(addr);
1476 case 0x80: // Primary
1477 case 0x88: // Primary LE
1484 stw_raw(addr & ~1, val);
1487 stl_raw(addr & ~3, val);
1491 stq_raw(addr & ~7, val);
1496 case 0x81: // Secondary
1497 case 0x89: // Secondary LE
1501 case 0x82: // Primary no-fault, RO
1502 case 0x83: // Secondary no-fault, RO
1503 case 0x8a: // Primary no-fault LE, RO
1504 case 0x8b: // Secondary no-fault LE, RO
1506 do_unassigned_access(addr, 1, 0, 1);
1511 #else /* CONFIG_USER_ONLY */
1513 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1516 #if defined(DEBUG_ASI)
1517 target_ulong last_addr = addr;
1520 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1521 || (asi >= 0x30 && asi < 0x80 && !(env->hpstate & HS_PRIV)))
1522 raise_exception(TT_PRIV_ACT);
1525 case 0x10: // As if user primary
1526 case 0x18: // As if user primary LE
1527 case 0x80: // Primary
1528 case 0x82: // Primary no-fault
1529 case 0x88: // Primary LE
1530 case 0x8a: // Primary no-fault LE
1531 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1532 if (env->hpstate & HS_PRIV) {
1535 ret = ldub_hypv(addr);
1538 ret = lduw_hypv(addr & ~1);
1541 ret = ldl_hypv(addr & ~3);
1545 ret = ldq_hypv(addr & ~7);
1551 ret = ldub_kernel(addr);
1554 ret = lduw_kernel(addr & ~1);
1557 ret = ldl_kernel(addr & ~3);
1561 ret = ldq_kernel(addr & ~7);
1568 ret = ldub_user(addr);
1571 ret = lduw_user(addr & ~1);
1574 ret = ldl_user(addr & ~3);
1578 ret = ldq_user(addr & ~7);
1583 case 0x14: // Bypass
1584 case 0x15: // Bypass, non-cacheable
1585 case 0x1c: // Bypass LE
1586 case 0x1d: // Bypass, non-cacheable LE
1590 ret = ldub_phys(addr);
1593 ret = lduw_phys(addr & ~1);
1596 ret = ldl_phys(addr & ~3);
1600 ret = ldq_phys(addr & ~7);
1605 case 0x04: // Nucleus
1606 case 0x0c: // Nucleus Little Endian (LE)
1607 case 0x11: // As if user secondary
1608 case 0x19: // As if user secondary LE
1609 case 0x24: // Nucleus quad LDD 128 bit atomic
1610 case 0x2c: // Nucleus quad LDD 128 bit atomic
1611 case 0x4a: // UPA config
1612 case 0x81: // Secondary
1613 case 0x83: // Secondary no-fault
1614 case 0x89: // Secondary LE
1615 case 0x8b: // Secondary no-fault LE
1621 case 0x50: // I-MMU regs
1623 int reg = (addr >> 3) & 0xf;
1625 ret = env->immuregs[reg];
1628 case 0x51: // I-MMU 8k TSB pointer
1629 case 0x52: // I-MMU 64k TSB pointer
1630 case 0x55: // I-MMU data access
1633 case 0x56: // I-MMU tag read
1637 for (i = 0; i < 64; i++) {
1638 // Valid, ctx match, vaddr match
1639 if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0 &&
1640 env->itlb_tag[i] == addr) {
1641 ret = env->itlb_tag[i];
1647 case 0x58: // D-MMU regs
1649 int reg = (addr >> 3) & 0xf;
1651 ret = env->dmmuregs[reg];
1654 case 0x5e: // D-MMU tag read
1658 for (i = 0; i < 64; i++) {
1659 // Valid, ctx match, vaddr match
1660 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0 &&
1661 env->dtlb_tag[i] == addr) {
1662 ret = env->dtlb_tag[i];
1668 case 0x59: // D-MMU 8k TSB pointer
1669 case 0x5a: // D-MMU 64k TSB pointer
1670 case 0x5b: // D-MMU data pointer
1671 case 0x5d: // D-MMU data access
1672 case 0x48: // Interrupt dispatch, RO
1673 case 0x49: // Interrupt data receive
1674 case 0x7f: // Incoming interrupt vector, RO
1677 case 0x54: // I-MMU data in, WO
1678 case 0x57: // I-MMU demap, WO
1679 case 0x5c: // D-MMU data in, WO
1680 case 0x5f: // D-MMU demap, WO
1681 case 0x77: // Interrupt vector, WO
1683 do_unassigned_access(addr, 0, 0, 1);
1688 /* Convert from little endian */
1690 case 0x0c: // Nucleus Little Endian (LE)
1691 case 0x18: // As if user primary LE
1692 case 0x19: // As if user secondary LE
1693 case 0x1c: // Bypass LE
1694 case 0x1d: // Bypass, non-cacheable LE
1695 case 0x88: // Primary LE
1696 case 0x89: // Secondary LE
1697 case 0x8a: // Primary no-fault LE
1698 case 0x8b: // Secondary no-fault LE
1716 /* Convert to signed number */
1723 ret = (int16_t) ret;
1726 ret = (int32_t) ret;
1733 dump_asi("read ", last_addr, asi, size, ret);
1738 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1741 dump_asi("write", addr, asi, size, val);
1743 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1744 || (asi >= 0x30 && asi < 0x80 && !(env->hpstate & HS_PRIV)))
1745 raise_exception(TT_PRIV_ACT);
1747 /* Convert to little endian */
1749 case 0x0c: // Nucleus Little Endian (LE)
1750 case 0x18: // As if user primary LE
1751 case 0x19: // As if user secondary LE
1752 case 0x1c: // Bypass LE
1753 case 0x1d: // Bypass, non-cacheable LE
1754 case 0x88: // Primary LE
1755 case 0x89: // Secondary LE
1758 addr = bswap16(addr);
1761 addr = bswap32(addr);
1764 addr = bswap64(addr);
1774 case 0x10: // As if user primary
1775 case 0x18: // As if user primary LE
1776 case 0x80: // Primary
1777 case 0x88: // Primary LE
1778 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1779 if (env->hpstate & HS_PRIV) {
1782 stb_hypv(addr, val);
1785 stw_hypv(addr & ~1, val);
1788 stl_hypv(addr & ~3, val);
1792 stq_hypv(addr & ~7, val);
1798 stb_kernel(addr, val);
1801 stw_kernel(addr & ~1, val);
1804 stl_kernel(addr & ~3, val);
1808 stq_kernel(addr & ~7, val);
1815 stb_user(addr, val);
1818 stw_user(addr & ~1, val);
1821 stl_user(addr & ~3, val);
1825 stq_user(addr & ~7, val);
1830 case 0x14: // Bypass
1831 case 0x15: // Bypass, non-cacheable
1832 case 0x1c: // Bypass LE
1833 case 0x1d: // Bypass, non-cacheable LE
1837 stb_phys(addr, val);
1840 stw_phys(addr & ~1, val);
1843 stl_phys(addr & ~3, val);
1847 stq_phys(addr & ~7, val);
1852 case 0x04: // Nucleus
1853 case 0x0c: // Nucleus Little Endian (LE)
1854 case 0x11: // As if user secondary
1855 case 0x19: // As if user secondary LE
1856 case 0x24: // Nucleus quad LDD 128 bit atomic
1857 case 0x2c: // Nucleus quad LDD 128 bit atomic
1858 case 0x4a: // UPA config
1859 case 0x81: // Secondary
1860 case 0x89: // Secondary LE
1868 env->lsu = val & (DMMU_E | IMMU_E);
1869 // Mappings generated during D/I MMU disabled mode are
1870 // invalid in normal mode
1871 if (oldreg != env->lsu) {
1872 DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n", oldreg, env->lsu);
1880 case 0x50: // I-MMU regs
1882 int reg = (addr >> 3) & 0xf;
1885 oldreg = env->immuregs[reg];
1890 case 1: // Not in I-MMU
1897 val = 0; // Clear SFSR
1899 case 5: // TSB access
1900 case 6: // Tag access
1904 env->immuregs[reg] = val;
1905 if (oldreg != env->immuregs[reg]) {
1906 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
1913 case 0x54: // I-MMU data in
1917 // Try finding an invalid entry
1918 for (i = 0; i < 64; i++) {
1919 if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) {
1920 env->itlb_tag[i] = env->immuregs[6];
1921 env->itlb_tte[i] = val;
1925 // Try finding an unlocked entry
1926 for (i = 0; i < 64; i++) {
1927 if ((env->itlb_tte[i] & 0x40) == 0) {
1928 env->itlb_tag[i] = env->immuregs[6];
1929 env->itlb_tte[i] = val;
1936 case 0x55: // I-MMU data access
1938 unsigned int i = (addr >> 3) & 0x3f;
1940 env->itlb_tag[i] = env->immuregs[6];
1941 env->itlb_tte[i] = val;
1944 case 0x57: // I-MMU demap
1947 case 0x58: // D-MMU regs
1949 int reg = (addr >> 3) & 0xf;
1952 oldreg = env->dmmuregs[reg];
1958 if ((val & 1) == 0) {
1959 val = 0; // Clear SFSR, Fault address
1960 env->dmmuregs[4] = 0;
1962 env->dmmuregs[reg] = val;
1964 case 1: // Primary context
1965 case 2: // Secondary context
1966 case 5: // TSB access
1967 case 6: // Tag access
1968 case 7: // Virtual Watchpoint
1969 case 8: // Physical Watchpoint
1973 env->dmmuregs[reg] = val;
1974 if (oldreg != env->dmmuregs[reg]) {
1975 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
1982 case 0x5c: // D-MMU data in
1986 // Try finding an invalid entry
1987 for (i = 0; i < 64; i++) {
1988 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) {
1989 env->dtlb_tag[i] = env->dmmuregs[6];
1990 env->dtlb_tte[i] = val;
1994 // Try finding an unlocked entry
1995 for (i = 0; i < 64; i++) {
1996 if ((env->dtlb_tte[i] & 0x40) == 0) {
1997 env->dtlb_tag[i] = env->dmmuregs[6];
1998 env->dtlb_tte[i] = val;
2005 case 0x5d: // D-MMU data access
2007 unsigned int i = (addr >> 3) & 0x3f;
2009 env->dtlb_tag[i] = env->dmmuregs[6];
2010 env->dtlb_tte[i] = val;
2013 case 0x5f: // D-MMU demap
2014 case 0x49: // Interrupt data receive
2017 case 0x51: // I-MMU 8k TSB pointer, RO
2018 case 0x52: // I-MMU 64k TSB pointer, RO
2019 case 0x56: // I-MMU tag read, RO
2020 case 0x59: // D-MMU 8k TSB pointer, RO
2021 case 0x5a: // D-MMU 64k TSB pointer, RO
2022 case 0x5b: // D-MMU data pointer, RO
2023 case 0x5e: // D-MMU tag read, RO
2024 case 0x48: // Interrupt dispatch, RO
2025 case 0x7f: // Incoming interrupt vector, RO
2026 case 0x82: // Primary no-fault, RO
2027 case 0x83: // Secondary no-fault, RO
2028 case 0x8a: // Primary no-fault LE, RO
2029 case 0x8b: // Secondary no-fault LE, RO
2031 do_unassigned_access(addr, 1, 0, 1);
2035 #endif /* CONFIG_USER_ONLY */
2037 void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
2043 case 0xf0: // Block load primary
2044 case 0xf1: // Block load secondary
2045 case 0xf8: // Block load primary LE
2046 case 0xf9: // Block load secondary LE
2048 raise_exception(TT_ILL_INSN);
2052 raise_exception(TT_UNALIGNED);
2055 for (i = 0; i < 16; i++) {
2056 *(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4, 0);
2065 val = helper_ld_asi(addr, asi, size, 0);
2069 *((uint32_t *)&FT0) = val;
2072 *((int64_t *)&DT0) = val;
2074 #if defined(CONFIG_USER_ONLY)
2082 void helper_stf_asi(target_ulong addr, int asi, int size, int rd)
2085 target_ulong val = 0;
2088 case 0xf0: // Block store primary
2089 case 0xf1: // Block store secondary
2090 case 0xf8: // Block store primary LE
2091 case 0xf9: // Block store secondary LE
2093 raise_exception(TT_ILL_INSN);
2097 raise_exception(TT_UNALIGNED);
2100 for (i = 0; i < 16; i++) {
2101 val = *(uint32_t *)&env->fpr[rd++];
2102 helper_st_asi(addr, val, asi & 0x8f, 4);
2114 val = *((uint32_t *)&FT0);
2117 val = *((int64_t *)&DT0);
2119 #if defined(CONFIG_USER_ONLY)
2125 helper_st_asi(addr, val, asi, size);
2128 target_ulong helper_cas_asi(target_ulong addr, target_ulong val1,
2129 target_ulong val2, uint32_t asi)
2133 val1 &= 0xffffffffUL;
2134 ret = helper_ld_asi(addr, asi, 4, 0);
2135 ret &= 0xffffffffUL;
2137 helper_st_asi(addr, val2 & 0xffffffffUL, asi, 4);
2141 target_ulong helper_casx_asi(target_ulong addr, target_ulong val1,
2142 target_ulong val2, uint32_t asi)
2146 ret = helper_ld_asi(addr, asi, 8, 0);
2148 helper_st_asi(addr, val2, asi, 8);
2151 #endif /* TARGET_SPARC64 */
2153 #ifndef TARGET_SPARC64
2154 void helper_rett(void)
2158 if (env->psret == 1)
2159 raise_exception(TT_ILL_INSN);
2162 cwp = (env->cwp + 1) & (NWINDOWS - 1);
2163 if (env->wim & (1 << cwp)) {
2164 raise_exception(TT_WIN_UNF);
2167 env->psrs = env->psrps;
2171 target_ulong helper_udiv(target_ulong a, target_ulong b)
2176 x0 = a | ((uint64_t) (env->y) << 32);
2180 raise_exception(TT_DIV_ZERO);
2184 if (x0 > 0xffffffff) {
2193 target_ulong helper_sdiv(target_ulong a, target_ulong b)
2198 x0 = a | ((int64_t) (env->y) << 32);
2202 raise_exception(TT_DIV_ZERO);
2206 if ((int32_t) x0 != x0) {
2208 return x0 < 0? 0x80000000: 0x7fffffff;
2215 uint64_t helper_pack64(target_ulong high, target_ulong low)
2217 return ((uint64_t)high << 32) | (uint64_t)(low & 0xffffffff);
2221 #define ADDR(x) ((x) & 0xffffffff)
2227 void helper_std_i386(target_ulong addr, int mem_idx)
2229 uint64_t tmp = ((uint64_t)env->t1 << 32) | (uint64_t)(env->t2 & 0xffffffff);
2231 #if !defined(CONFIG_USER_ONLY)
2234 stq_user(ADDR(addr), tmp);
2237 stq_kernel(ADDR(addr), tmp);
2239 #ifdef TARGET_SPARC64
2241 stq_hypv(ADDR(addr), tmp);
2248 stq_raw(ADDR(addr), tmp);
2251 #endif /* __i386__ */
2253 void helper_stdf(target_ulong addr, int mem_idx)
2255 #if !defined(CONFIG_USER_ONLY)
2258 stfq_user(ADDR(addr), DT0);
2261 stfq_kernel(ADDR(addr), DT0);
2263 #ifdef TARGET_SPARC64
2265 stfq_hypv(ADDR(addr), DT0);
2272 stfq_raw(ADDR(addr), DT0);
2276 void helper_lddf(target_ulong addr, int mem_idx)
2278 #if !defined(CONFIG_USER_ONLY)
2281 DT0 = ldfq_user(ADDR(addr));
2284 DT0 = ldfq_kernel(ADDR(addr));
2286 #ifdef TARGET_SPARC64
2288 DT0 = ldfq_hypv(ADDR(addr));
2295 DT0 = ldfq_raw(ADDR(addr));
2299 #if defined(CONFIG_USER_ONLY)
2300 void helper_ldqf(target_ulong addr)
2302 // XXX add 128 bit load
2305 u.ll.upper = ldq_raw(ADDR(addr));
2306 u.ll.lower = ldq_raw(ADDR(addr + 8));
2310 void helper_stqf(target_ulong addr)
2312 // XXX add 128 bit store
2316 stq_raw(ADDR(addr), u.ll.upper);
2317 stq_raw(ADDR(addr + 8), u.ll.lower);
2323 void helper_ldfsr(void)
2327 PUT_FSR32(env, *((uint32_t *) &FT0));
2328 switch (env->fsr & FSR_RD_MASK) {
2329 case FSR_RD_NEAREST:
2330 rnd_mode = float_round_nearest_even;
2334 rnd_mode = float_round_to_zero;
2337 rnd_mode = float_round_up;
2340 rnd_mode = float_round_down;
2343 set_float_rounding_mode(rnd_mode, &env->fp_status);
2346 void helper_stfsr(void)
2348 *((uint32_t *) &FT0) = GET_FSR32(env);
2351 void helper_debug(void)
2353 env->exception_index = EXCP_DEBUG;
2357 #ifndef TARGET_SPARC64
2358 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2360 void helper_save(void)
2364 cwp = (env->cwp - 1) & (NWINDOWS - 1);
2365 if (env->wim & (1 << cwp)) {
2366 raise_exception(TT_WIN_OVF);
2371 void helper_restore(void)
2375 cwp = (env->cwp + 1) & (NWINDOWS - 1);
2376 if (env->wim & (1 << cwp)) {
2377 raise_exception(TT_WIN_UNF);
2382 void helper_wrpsr(target_ulong new_psr)
2384 if ((new_psr & PSR_CWP) >= NWINDOWS)
2385 raise_exception(TT_ILL_INSN);
2387 PUT_PSR(env, new_psr);
2390 target_ulong helper_rdpsr(void)
2392 return GET_PSR(env);
2396 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2398 void helper_save(void)
2402 cwp = (env->cwp - 1) & (NWINDOWS - 1);
2403 if (env->cansave == 0) {
2404 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2405 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2406 ((env->wstate & 0x7) << 2)));
2408 if (env->cleanwin - env->canrestore == 0) {
2409 // XXX Clean windows without trap
2410 raise_exception(TT_CLRWIN);
2419 void helper_restore(void)
2423 cwp = (env->cwp + 1) & (NWINDOWS - 1);
2424 if (env->canrestore == 0) {
2425 raise_exception(TT_FILL | (env->otherwin != 0 ?
2426 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2427 ((env->wstate & 0x7) << 2)));
2435 void helper_flushw(void)
2437 if (env->cansave != NWINDOWS - 2) {
2438 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2439 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2440 ((env->wstate & 0x7) << 2)));
2444 void helper_saved(void)
2447 if (env->otherwin == 0)
2453 void helper_restored(void)
2456 if (env->cleanwin < NWINDOWS - 1)
2458 if (env->otherwin == 0)
2464 target_ulong helper_rdccr(void)
2466 return GET_CCR(env);
2469 void helper_wrccr(target_ulong new_ccr)
2471 PUT_CCR(env, new_ccr);
2474 // CWP handling is reversed in V9, but we still use the V8 register
2476 target_ulong helper_rdcwp(void)
2478 return GET_CWP64(env);
2481 void helper_wrcwp(target_ulong new_cwp)
2483 PUT_CWP64(env, new_cwp);
2486 // This function uses non-native bit order
2487 #define GET_FIELD(X, FROM, TO) \
2488 ((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
2490 // This function uses the order in the manuals, i.e. bit 0 is 2^0
2491 #define GET_FIELD_SP(X, FROM, TO) \
2492 GET_FIELD(X, 63 - (TO), 63 - (FROM))
2494 target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
2496 return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
2497 (GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
2498 (GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
2499 (GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
2500 (GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
2501 (GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
2502 (((pixel_addr >> 55) & 1) << 4) |
2503 (GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
2504 GET_FIELD_SP(pixel_addr, 11, 12);
2507 target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
2511 tmp = addr + offset;
2513 env->gsr |= tmp & 7ULL;
2517 target_ulong helper_popc(target_ulong val)
2519 return ctpop64(val);
2522 static inline uint64_t *get_gregset(uint64_t pstate)
2537 static inline void change_pstate(uint64_t new_pstate)
2539 uint64_t pstate_regs, new_pstate_regs;
2540 uint64_t *src, *dst;
2542 pstate_regs = env->pstate & 0xc01;
2543 new_pstate_regs = new_pstate & 0xc01;
2544 if (new_pstate_regs != pstate_regs) {
2545 // Switch global register bank
2546 src = get_gregset(new_pstate_regs);
2547 dst = get_gregset(pstate_regs);
2548 memcpy32(dst, env->gregs);
2549 memcpy32(env->gregs, src);
2551 env->pstate = new_pstate;
2554 void helper_wrpstate(target_ulong new_state)
2556 change_pstate(new_state & 0xf3f);
2559 void helper_done(void)
2562 env->tsptr = &env->ts[env->tl];
2563 env->pc = env->tsptr->tpc;
2564 env->npc = env->tsptr->tnpc + 4;
2565 PUT_CCR(env, env->tsptr->tstate >> 32);
2566 env->asi = (env->tsptr->tstate >> 24) & 0xff;
2567 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2568 PUT_CWP64(env, env->tsptr->tstate & 0xff);
2571 void helper_retry(void)
2574 env->tsptr = &env->ts[env->tl];
2575 env->pc = env->tsptr->tpc;
2576 env->npc = env->tsptr->tnpc;
2577 PUT_CCR(env, env->tsptr->tstate >> 32);
2578 env->asi = (env->tsptr->tstate >> 24) & 0xff;
2579 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2580 PUT_CWP64(env, env->tsptr->tstate & 0xff);
2584 void set_cwp(int new_cwp)
2586 /* put the modified wrap registers at their proper location */
2587 if (env->cwp == (NWINDOWS - 1))
2588 memcpy32(env->regbase, env->regbase + NWINDOWS * 16);
2590 /* put the wrap registers at their temporary location */
2591 if (new_cwp == (NWINDOWS - 1))
2592 memcpy32(env->regbase + NWINDOWS * 16, env->regbase);
2593 env->regwptr = env->regbase + (new_cwp * 16);
2594 REGWPTR = env->regwptr;
2597 void cpu_set_cwp(CPUState *env1, int new_cwp)
2599 CPUState *saved_env;
2601 target_ulong *saved_regwptr;
2606 saved_regwptr = REGWPTR;
2612 REGWPTR = saved_regwptr;
2616 #ifdef TARGET_SPARC64
2618 static const char * const excp_names[0x50] = {
2619 [TT_TFAULT] = "Instruction Access Fault",
2620 [TT_TMISS] = "Instruction Access MMU Miss",
2621 [TT_CODE_ACCESS] = "Instruction Access Error",
2622 [TT_ILL_INSN] = "Illegal Instruction",
2623 [TT_PRIV_INSN] = "Privileged Instruction",
2624 [TT_NFPU_INSN] = "FPU Disabled",
2625 [TT_FP_EXCP] = "FPU Exception",
2626 [TT_TOVF] = "Tag Overflow",
2627 [TT_CLRWIN] = "Clean Windows",
2628 [TT_DIV_ZERO] = "Division By Zero",
2629 [TT_DFAULT] = "Data Access Fault",
2630 [TT_DMISS] = "Data Access MMU Miss",
2631 [TT_DATA_ACCESS] = "Data Access Error",
2632 [TT_DPROT] = "Data Protection Error",
2633 [TT_UNALIGNED] = "Unaligned Memory Access",
2634 [TT_PRIV_ACT] = "Privileged Action",
2635 [TT_EXTINT | 0x1] = "External Interrupt 1",
2636 [TT_EXTINT | 0x2] = "External Interrupt 2",
2637 [TT_EXTINT | 0x3] = "External Interrupt 3",
2638 [TT_EXTINT | 0x4] = "External Interrupt 4",
2639 [TT_EXTINT | 0x5] = "External Interrupt 5",
2640 [TT_EXTINT | 0x6] = "External Interrupt 6",
2641 [TT_EXTINT | 0x7] = "External Interrupt 7",
2642 [TT_EXTINT | 0x8] = "External Interrupt 8",
2643 [TT_EXTINT | 0x9] = "External Interrupt 9",
2644 [TT_EXTINT | 0xa] = "External Interrupt 10",
2645 [TT_EXTINT | 0xb] = "External Interrupt 11",
2646 [TT_EXTINT | 0xc] = "External Interrupt 12",
2647 [TT_EXTINT | 0xd] = "External Interrupt 13",
2648 [TT_EXTINT | 0xe] = "External Interrupt 14",
2649 [TT_EXTINT | 0xf] = "External Interrupt 15",
2653 void do_interrupt(int intno)
2656 if (loglevel & CPU_LOG_INT) {
2660 if (intno < 0 || intno >= 0x180 || (intno > 0x4f && intno < 0x80))
2662 else if (intno >= 0x100)
2663 name = "Trap Instruction";
2664 else if (intno >= 0xc0)
2665 name = "Window Fill";
2666 else if (intno >= 0x80)
2667 name = "Window Spill";
2669 name = excp_names[intno];
2674 fprintf(logfile, "%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
2675 " SP=%016" PRIx64 "\n",
2678 env->npc, env->regwptr[6]);
2679 cpu_dump_state(env, logfile, fprintf, 0);
2685 fprintf(logfile, " code=");
2686 ptr = (uint8_t *)env->pc;
2687 for(i = 0; i < 16; i++) {
2688 fprintf(logfile, " %02x", ldub(ptr + i));
2690 fprintf(logfile, "\n");
2696 #if !defined(CONFIG_USER_ONLY)
2697 if (env->tl == MAXTL) {
2698 cpu_abort(env, "Trap 0x%04x while trap level is MAXTL, Error state", env->exception_index);
2702 env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
2703 ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
2705 env->tsptr->tpc = env->pc;
2706 env->tsptr->tnpc = env->npc;
2707 env->tsptr->tt = intno;
2708 change_pstate(PS_PEF | PS_PRIV | PS_AG);
2710 if (intno == TT_CLRWIN)
2711 set_cwp((env->cwp - 1) & (NWINDOWS - 1));
2712 else if ((intno & 0x1c0) == TT_SPILL)
2713 set_cwp((env->cwp - env->cansave - 2) & (NWINDOWS - 1));
2714 else if ((intno & 0x1c0) == TT_FILL)
2715 set_cwp((env->cwp + 1) & (NWINDOWS - 1));
2716 env->tbr &= ~0x7fffULL;
2717 env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
2718 if (env->tl < MAXTL - 1) {
2721 env->pstate |= PS_RED;
2722 if (env->tl != MAXTL)
2725 env->tsptr = &env->ts[env->tl];
2727 env->npc = env->pc + 4;
2728 env->exception_index = 0;
2732 static const char * const excp_names[0x80] = {
2733 [TT_TFAULT] = "Instruction Access Fault",
2734 [TT_ILL_INSN] = "Illegal Instruction",
2735 [TT_PRIV_INSN] = "Privileged Instruction",
2736 [TT_NFPU_INSN] = "FPU Disabled",
2737 [TT_WIN_OVF] = "Window Overflow",
2738 [TT_WIN_UNF] = "Window Underflow",
2739 [TT_UNALIGNED] = "Unaligned Memory Access",
2740 [TT_FP_EXCP] = "FPU Exception",
2741 [TT_DFAULT] = "Data Access Fault",
2742 [TT_TOVF] = "Tag Overflow",
2743 [TT_EXTINT | 0x1] = "External Interrupt 1",
2744 [TT_EXTINT | 0x2] = "External Interrupt 2",
2745 [TT_EXTINT | 0x3] = "External Interrupt 3",
2746 [TT_EXTINT | 0x4] = "External Interrupt 4",
2747 [TT_EXTINT | 0x5] = "External Interrupt 5",
2748 [TT_EXTINT | 0x6] = "External Interrupt 6",
2749 [TT_EXTINT | 0x7] = "External Interrupt 7",
2750 [TT_EXTINT | 0x8] = "External Interrupt 8",
2751 [TT_EXTINT | 0x9] = "External Interrupt 9",
2752 [TT_EXTINT | 0xa] = "External Interrupt 10",
2753 [TT_EXTINT | 0xb] = "External Interrupt 11",
2754 [TT_EXTINT | 0xc] = "External Interrupt 12",
2755 [TT_EXTINT | 0xd] = "External Interrupt 13",
2756 [TT_EXTINT | 0xe] = "External Interrupt 14",
2757 [TT_EXTINT | 0xf] = "External Interrupt 15",
2758 [TT_TOVF] = "Tag Overflow",
2759 [TT_CODE_ACCESS] = "Instruction Access Error",
2760 [TT_DATA_ACCESS] = "Data Access Error",
2761 [TT_DIV_ZERO] = "Division By Zero",
2762 [TT_NCP_INSN] = "Coprocessor Disabled",
2766 void do_interrupt(int intno)
2771 if (loglevel & CPU_LOG_INT) {
2775 if (intno < 0 || intno >= 0x100)
2777 else if (intno >= 0x80)
2778 name = "Trap Instruction";
2780 name = excp_names[intno];
2785 fprintf(logfile, "%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
2788 env->npc, env->regwptr[6]);
2789 cpu_dump_state(env, logfile, fprintf, 0);
2795 fprintf(logfile, " code=");
2796 ptr = (uint8_t *)env->pc;
2797 for(i = 0; i < 16; i++) {
2798 fprintf(logfile, " %02x", ldub(ptr + i));
2800 fprintf(logfile, "\n");
2806 #if !defined(CONFIG_USER_ONLY)
2807 if (env->psret == 0) {
2808 cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state", env->exception_index);
2813 cwp = (env->cwp - 1) & (NWINDOWS - 1);
2815 env->regwptr[9] = env->pc;
2816 env->regwptr[10] = env->npc;
2817 env->psrps = env->psrs;
2819 env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
2821 env->npc = env->pc + 4;
2822 env->exception_index = 0;
2826 #if !defined(CONFIG_USER_ONLY)
2828 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
2831 #define MMUSUFFIX _mmu
2832 #define ALIGNED_ONLY
2834 # define GETPC() ((void*)((unsigned long)__builtin_return_address(0) & 0x7fffffffUL))
2836 # define GETPC() (__builtin_return_address(0))
2840 #include "softmmu_template.h"
2843 #include "softmmu_template.h"
2846 #include "softmmu_template.h"
2849 #include "softmmu_template.h"
2851 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
2854 #ifdef DEBUG_UNALIGNED
2855 printf("Unaligned access to 0x%x from 0x%x\n", addr, env->pc);
2857 raise_exception(TT_UNALIGNED);
2860 /* try to fill the TLB and return an exception if error. If retaddr is
2861 NULL, it means that the function was called in C code (i.e. not
2862 from generated code or from helper.c) */
2863 /* XXX: fix it to restore all registers */
2864 void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
2866 TranslationBlock *tb;
2869 CPUState *saved_env;
2871 /* XXX: hack to restore env in all cases, even if not called from
2874 env = cpu_single_env;
2876 ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
2879 /* now we have a real cpu fault */
2880 pc = (unsigned long)retaddr;
2881 tb = tb_find_pc(pc);
2883 /* the PC is inside the translated code. It means that we have
2884 a virtual CPU fault */
2885 cpu_restore_state(tb, env, pc, (void *)T2);
2895 #ifndef TARGET_SPARC64
2896 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
2899 CPUState *saved_env;
2901 /* XXX: hack to restore env in all cases, even if not called from
2904 env = cpu_single_env;
2905 #ifdef DEBUG_UNASSIGNED
2907 printf("Unassigned mem %s access to " TARGET_FMT_plx " asi 0x%02x from "
2909 is_exec ? "exec" : is_write ? "write" : "read", addr, is_asi,
2912 printf("Unassigned mem %s access to " TARGET_FMT_plx " from "
2914 is_exec ? "exec" : is_write ? "write" : "read", addr, env->pc);
2916 if (env->mmuregs[3]) /* Fault status register */
2917 env->mmuregs[3] = 1; /* overflow (not read before another fault) */
2919 env->mmuregs[3] |= 1 << 16;
2921 env->mmuregs[3] |= 1 << 5;
2923 env->mmuregs[3] |= 1 << 6;
2925 env->mmuregs[3] |= 1 << 7;
2926 env->mmuregs[3] |= (5 << 2) | 2;
2927 env->mmuregs[4] = addr; /* Fault address register */
2928 if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) {
2930 raise_exception(TT_CODE_ACCESS);
2932 raise_exception(TT_DATA_ACCESS);
2937 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
2940 #ifdef DEBUG_UNASSIGNED
2941 CPUState *saved_env;
2943 /* XXX: hack to restore env in all cases, even if not called from
2946 env = cpu_single_env;
2947 printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx "\n",
2952 raise_exception(TT_CODE_ACCESS);
2954 raise_exception(TT_DATA_ACCESS);