2 #include "host-utils.h"
4 #if !defined(CONFIG_USER_ONLY)
5 #include "softmmu_exec.h"
6 #endif /* !defined(CONFIG_USER_ONLY) */
11 //#define DEBUG_UNALIGNED
12 //#define DEBUG_UNASSIGNED
16 #define DPRINTF_MMU(fmt, args...) \
17 do { printf("MMU: " fmt , ##args); } while (0)
19 #define DPRINTF_MMU(fmt, args...)
23 #define DPRINTF_MXCC(fmt, args...) \
24 do { printf("MXCC: " fmt , ##args); } while (0)
26 #define DPRINTF_MXCC(fmt, args...)
30 #define DPRINTF_ASI(fmt, args...) \
31 do { printf("ASI: " fmt , ##args); } while (0)
33 #define DPRINTF_ASI(fmt, args...)
36 void raise_exception(int tt)
38 env->exception_index = tt;
42 void helper_trap(target_ulong nb_trap)
44 env->exception_index = TT_TRAP + (nb_trap & 0x7f);
48 void helper_trapcc(target_ulong nb_trap, target_ulong do_trap)
51 env->exception_index = TT_TRAP + (nb_trap & 0x7f);
56 void helper_check_align(target_ulong addr, uint32_t align)
59 raise_exception(TT_UNALIGNED);
62 #define F_HELPER(name, p) void helper_f##name##p(void)
64 #if defined(CONFIG_USER_ONLY)
65 #define F_BINOP(name) \
68 FT0 = float32_ ## name (FT0, FT1, &env->fp_status); \
72 DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \
76 QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \
79 #define F_BINOP(name) \
82 FT0 = float32_ ## name (FT0, FT1, &env->fp_status); \
86 DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \
96 void helper_fsmuld(void)
98 DT0 = float64_mul(float32_to_float64(FT0, &env->fp_status),
99 float32_to_float64(FT1, &env->fp_status),
103 #if defined(CONFIG_USER_ONLY)
104 void helper_fdmulq(void)
106 QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status),
107 float64_to_float128(DT1, &env->fp_status),
114 FT0 = float32_chs(FT1);
117 #ifdef TARGET_SPARC64
120 DT0 = float64_chs(DT1);
123 #if defined(CONFIG_USER_ONLY)
126 QT0 = float128_chs(QT1);
131 /* Integer to float conversion. */
134 FT0 = int32_to_float32(*((int32_t *)&FT1), &env->fp_status);
139 DT0 = int32_to_float64(*((int32_t *)&FT1), &env->fp_status);
142 #if defined(CONFIG_USER_ONLY)
145 QT0 = int32_to_float128(*((int32_t *)&FT1), &env->fp_status);
149 #ifdef TARGET_SPARC64
152 FT0 = int64_to_float32(*((int64_t *)&DT1), &env->fp_status);
157 DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status);
159 #if defined(CONFIG_USER_ONLY)
162 QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status);
168 /* floating point conversion */
169 void helper_fdtos(void)
171 FT0 = float64_to_float32(DT1, &env->fp_status);
174 void helper_fstod(void)
176 DT0 = float32_to_float64(FT1, &env->fp_status);
179 #if defined(CONFIG_USER_ONLY)
180 void helper_fqtos(void)
182 FT0 = float128_to_float32(QT1, &env->fp_status);
185 void helper_fstoq(void)
187 QT0 = float32_to_float128(FT1, &env->fp_status);
190 void helper_fqtod(void)
192 DT0 = float128_to_float64(QT1, &env->fp_status);
195 void helper_fdtoq(void)
197 QT0 = float64_to_float128(DT1, &env->fp_status);
201 /* Float to integer conversion. */
202 void helper_fstoi(void)
204 *((int32_t *)&FT0) = float32_to_int32_round_to_zero(FT1, &env->fp_status);
207 void helper_fdtoi(void)
209 *((int32_t *)&FT0) = float64_to_int32_round_to_zero(DT1, &env->fp_status);
212 #if defined(CONFIG_USER_ONLY)
213 void helper_fqtoi(void)
215 *((int32_t *)&FT0) = float128_to_int32_round_to_zero(QT1, &env->fp_status);
219 #ifdef TARGET_SPARC64
220 void helper_fstox(void)
222 *((int64_t *)&DT0) = float32_to_int64_round_to_zero(FT1, &env->fp_status);
225 void helper_fdtox(void)
227 *((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status);
230 #if defined(CONFIG_USER_ONLY)
231 void helper_fqtox(void)
233 *((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 tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8);
243 *((uint64_t *)&DT0) = tmp;
246 void helper_movl_FT0_0(void)
248 *((uint32_t *)&FT0) = 0;
251 void helper_movl_DT0_0(void)
253 *((uint64_t *)&DT0) = 0;
256 void helper_movl_FT0_1(void)
258 *((uint32_t *)&FT0) = 0xffffffff;
261 void helper_movl_DT0_1(void)
263 *((uint64_t *)&DT0) = 0xffffffffffffffffULL;
266 void helper_fnot(void)
268 *(uint64_t *)&DT0 = ~*(uint64_t *)&DT1;
271 void helper_fnots(void)
273 *(uint32_t *)&FT0 = ~*(uint32_t *)&FT1;
276 void helper_fnor(void)
278 *(uint64_t *)&DT0 = ~(*(uint64_t *)&DT0 | *(uint64_t *)&DT1);
281 void helper_fnors(void)
283 *(uint32_t *)&FT0 = ~(*(uint32_t *)&FT0 | *(uint32_t *)&FT1);
286 void helper_for(void)
288 *(uint64_t *)&DT0 |= *(uint64_t *)&DT1;
291 void helper_fors(void)
293 *(uint32_t *)&FT0 |= *(uint32_t *)&FT1;
296 void helper_fxor(void)
298 *(uint64_t *)&DT0 ^= *(uint64_t *)&DT1;
301 void helper_fxors(void)
303 *(uint32_t *)&FT0 ^= *(uint32_t *)&FT1;
306 void helper_fand(void)
308 *(uint64_t *)&DT0 &= *(uint64_t *)&DT1;
311 void helper_fands(void)
313 *(uint32_t *)&FT0 &= *(uint32_t *)&FT1;
316 void helper_fornot(void)
318 *(uint64_t *)&DT0 = *(uint64_t *)&DT0 | ~*(uint64_t *)&DT1;
321 void helper_fornots(void)
323 *(uint32_t *)&FT0 = *(uint32_t *)&FT0 | ~*(uint32_t *)&FT1;
326 void helper_fandnot(void)
328 *(uint64_t *)&DT0 = *(uint64_t *)&DT0 & ~*(uint64_t *)&DT1;
331 void helper_fandnots(void)
333 *(uint32_t *)&FT0 = *(uint32_t *)&FT0 & ~*(uint32_t *)&FT1;
336 void helper_fnand(void)
338 *(uint64_t *)&DT0 = ~(*(uint64_t *)&DT0 & *(uint64_t *)&DT1);
341 void helper_fnands(void)
343 *(uint32_t *)&FT0 = ~(*(uint32_t *)&FT0 & *(uint32_t *)&FT1);
346 void helper_fxnor(void)
348 *(uint64_t *)&DT0 ^= ~*(uint64_t *)&DT1;
351 void helper_fxnors(void)
353 *(uint32_t *)&FT0 ^= ~*(uint32_t *)&FT1;
356 #ifdef WORDS_BIGENDIAN
357 #define VIS_B64(n) b[7 - (n)]
358 #define VIS_W64(n) w[3 - (n)]
359 #define VIS_SW64(n) sw[3 - (n)]
360 #define VIS_L64(n) l[1 - (n)]
361 #define VIS_B32(n) b[3 - (n)]
362 #define VIS_W32(n) w[1 - (n)]
364 #define VIS_B64(n) b[n]
365 #define VIS_W64(n) w[n]
366 #define VIS_SW64(n) sw[n]
367 #define VIS_L64(n) l[n]
368 #define VIS_B32(n) b[n]
369 #define VIS_W32(n) w[n]
387 void helper_fpmerge(void)
394 // Reverse calculation order to handle overlap
395 d.VIS_B64(7) = s.VIS_B64(3);
396 d.VIS_B64(6) = d.VIS_B64(3);
397 d.VIS_B64(5) = s.VIS_B64(2);
398 d.VIS_B64(4) = d.VIS_B64(2);
399 d.VIS_B64(3) = s.VIS_B64(1);
400 d.VIS_B64(2) = d.VIS_B64(1);
401 d.VIS_B64(1) = s.VIS_B64(0);
402 //d.VIS_B64(0) = d.VIS_B64(0);
407 void helper_fmul8x16(void)
416 tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \
417 if ((tmp & 0xff) > 0x7f) \
419 d.VIS_W64(r) = tmp >> 8;
430 void helper_fmul8x16al(void)
439 tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \
440 if ((tmp & 0xff) > 0x7f) \
442 d.VIS_W64(r) = tmp >> 8;
453 void helper_fmul8x16au(void)
462 tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
463 if ((tmp & 0xff) > 0x7f) \
465 d.VIS_W64(r) = tmp >> 8;
476 void helper_fmul8sux16(void)
485 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
486 if ((tmp & 0xff) > 0x7f) \
488 d.VIS_W64(r) = tmp >> 8;
499 void helper_fmul8ulx16(void)
508 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
509 if ((tmp & 0xff) > 0x7f) \
511 d.VIS_W64(r) = tmp >> 8;
522 void helper_fmuld8sux16(void)
531 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
532 if ((tmp & 0xff) > 0x7f) \
536 // Reverse calculation order to handle overlap
544 void helper_fmuld8ulx16(void)
553 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
554 if ((tmp & 0xff) > 0x7f) \
558 // Reverse calculation order to handle overlap
566 void helper_fexpand(void)
571 s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
573 d.VIS_L64(0) = s.VIS_W32(0) << 4;
574 d.VIS_L64(1) = s.VIS_W32(1) << 4;
575 d.VIS_L64(2) = s.VIS_W32(2) << 4;
576 d.VIS_L64(3) = s.VIS_W32(3) << 4;
581 #define VIS_HELPER(name, F) \
582 void name##16(void) \
589 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \
590 d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \
591 d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \
592 d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \
597 void name##16s(void) \
604 d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \
605 d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \
610 void name##32(void) \
617 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \
618 d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \
623 void name##32s(void) \
635 #define FADD(a, b) ((a) + (b))
636 #define FSUB(a, b) ((a) - (b))
637 VIS_HELPER(helper_fpadd, FADD)
638 VIS_HELPER(helper_fpsub, FSUB)
640 #define VIS_CMPHELPER(name, F) \
641 void name##16(void) \
648 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0))? 1: 0; \
649 d.VIS_W64(0) |= F(d.VIS_W64(1), s.VIS_W64(1))? 2: 0; \
650 d.VIS_W64(0) |= F(d.VIS_W64(2), s.VIS_W64(2))? 4: 0; \
651 d.VIS_W64(0) |= F(d.VIS_W64(3), s.VIS_W64(3))? 8: 0; \
656 void name##32(void) \
663 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0))? 1: 0; \
664 d.VIS_L64(0) |= F(d.VIS_L64(1), s.VIS_L64(1))? 2: 0; \
669 #define FCMPGT(a, b) ((a) > (b))
670 #define FCMPEQ(a, b) ((a) == (b))
671 #define FCMPLE(a, b) ((a) <= (b))
672 #define FCMPNE(a, b) ((a) != (b))
674 VIS_CMPHELPER(helper_fcmpgt, FCMPGT)
675 VIS_CMPHELPER(helper_fcmpeq, FCMPEQ)
676 VIS_CMPHELPER(helper_fcmple, FCMPLE)
677 VIS_CMPHELPER(helper_fcmpne, FCMPNE)
680 void helper_check_ieee_exceptions(void)
684 status = get_float_exception_flags(&env->fp_status);
686 /* Copy IEEE 754 flags into FSR */
687 if (status & float_flag_invalid)
689 if (status & float_flag_overflow)
691 if (status & float_flag_underflow)
693 if (status & float_flag_divbyzero)
695 if (status & float_flag_inexact)
698 if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) {
699 /* Unmasked exception, generate a trap */
700 env->fsr |= FSR_FTT_IEEE_EXCP;
701 raise_exception(TT_FP_EXCP);
703 /* Accumulate exceptions */
704 env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5;
709 void helper_clear_float_exceptions(void)
711 set_float_exception_flags(0, &env->fp_status);
714 void helper_fabss(void)
716 FT0 = float32_abs(FT1);
719 #ifdef TARGET_SPARC64
720 void helper_fabsd(void)
722 DT0 = float64_abs(DT1);
725 #if defined(CONFIG_USER_ONLY)
726 void helper_fabsq(void)
728 QT0 = float128_abs(QT1);
733 void helper_fsqrts(void)
735 FT0 = float32_sqrt(FT1, &env->fp_status);
738 void helper_fsqrtd(void)
740 DT0 = float64_sqrt(DT1, &env->fp_status);
743 #if defined(CONFIG_USER_ONLY)
744 void helper_fsqrtq(void)
746 QT0 = float128_sqrt(QT1, &env->fp_status);
750 #define GEN_FCMP(name, size, reg1, reg2, FS, TRAP) \
751 void glue(helper_, name) (void) \
753 target_ulong new_fsr; \
755 env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
756 switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
757 case float_relation_unordered: \
758 new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \
759 if ((env->fsr & FSR_NVM) || TRAP) { \
760 env->fsr |= new_fsr; \
761 env->fsr |= FSR_NVC; \
762 env->fsr |= FSR_FTT_IEEE_EXCP; \
763 raise_exception(TT_FP_EXCP); \
765 env->fsr |= FSR_NVA; \
768 case float_relation_less: \
769 new_fsr = FSR_FCC0 << FS; \
771 case float_relation_greater: \
772 new_fsr = FSR_FCC1 << FS; \
778 env->fsr |= new_fsr; \
781 GEN_FCMP(fcmps, float32, FT0, FT1, 0, 0);
782 GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0);
784 GEN_FCMP(fcmpes, float32, FT0, FT1, 0, 1);
785 GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1);
787 #ifdef CONFIG_USER_ONLY
788 GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0);
789 GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1);
792 #ifdef TARGET_SPARC64
793 GEN_FCMP(fcmps_fcc1, float32, FT0, FT1, 22, 0);
794 GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
796 GEN_FCMP(fcmps_fcc2, float32, FT0, FT1, 24, 0);
797 GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
799 GEN_FCMP(fcmps_fcc3, float32, FT0, FT1, 26, 0);
800 GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
802 GEN_FCMP(fcmpes_fcc1, float32, FT0, FT1, 22, 1);
803 GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
805 GEN_FCMP(fcmpes_fcc2, float32, FT0, FT1, 24, 1);
806 GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
808 GEN_FCMP(fcmpes_fcc3, float32, FT0, FT1, 26, 1);
809 GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
810 #ifdef CONFIG_USER_ONLY
811 GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
812 GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
813 GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
814 GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
815 GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
816 GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
820 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && defined(DEBUG_MXCC)
821 static void dump_mxcc(CPUState *env)
823 printf("mxccdata: %016llx %016llx %016llx %016llx\n",
824 env->mxccdata[0], env->mxccdata[1], env->mxccdata[2], env->mxccdata[3]);
825 printf("mxccregs: %016llx %016llx %016llx %016llx\n"
826 " %016llx %016llx %016llx %016llx\n",
827 env->mxccregs[0], env->mxccregs[1], env->mxccregs[2], env->mxccregs[3],
828 env->mxccregs[4], env->mxccregs[5], env->mxccregs[6], env->mxccregs[7]);
832 #if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
833 && defined(DEBUG_ASI)
834 static void dump_asi(const char *txt, target_ulong addr, int asi, int size,
840 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt,
841 addr, asi, r1 & 0xff);
844 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt,
845 addr, asi, r1 & 0xffff);
848 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt,
849 addr, asi, r1 & 0xffffffff);
852 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt,
859 #ifndef TARGET_SPARC64
860 #ifndef CONFIG_USER_ONLY
861 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
864 #if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
865 uint32_t last_addr = addr;
869 case 2: /* SuperSparc MXCC registers */
871 case 0x01c00a00: /* MXCC control register */
873 ret = env->mxccregs[3];
875 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
877 case 0x01c00a04: /* MXCC control register */
879 ret = env->mxccregs[3];
881 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
883 case 0x01c00c00: /* Module reset register */
885 ret = env->mxccregs[5];
886 // should we do something here?
888 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
890 case 0x01c00f00: /* MBus port address register */
892 ret = env->mxccregs[7];
894 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
897 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr, size);
900 DPRINTF_MXCC("asi = %d, size = %d, sign = %d, addr = %08x -> ret = %08x,"
901 "addr = %08x\n", asi, size, sign, last_addr, ret, addr);
906 case 3: /* MMU probe */
910 mmulev = (addr >> 8) & 15;
914 ret = mmu_probe(env, addr, mmulev);
915 DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n",
919 case 4: /* read MMU regs */
921 int reg = (addr >> 8) & 0x1f;
923 ret = env->mmuregs[reg];
924 if (reg == 3) /* Fault status cleared on read */
926 else if (reg == 0x13) /* Fault status read */
927 ret = env->mmuregs[3];
928 else if (reg == 0x14) /* Fault address read */
929 ret = env->mmuregs[4];
930 DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret);
933 case 5: // Turbosparc ITLB Diagnostic
934 case 6: // Turbosparc DTLB Diagnostic
935 case 7: // Turbosparc IOTLB Diagnostic
937 case 9: /* Supervisor code access */
940 ret = ldub_code(addr);
943 ret = lduw_code(addr & ~1);
947 ret = ldl_code(addr & ~3);
950 ret = ldq_code(addr & ~7);
954 case 0xa: /* User data access */
957 ret = ldub_user(addr);
960 ret = lduw_user(addr & ~1);
964 ret = ldl_user(addr & ~3);
967 ret = ldq_user(addr & ~7);
971 case 0xb: /* Supervisor data access */
974 ret = ldub_kernel(addr);
977 ret = lduw_kernel(addr & ~1);
981 ret = ldl_kernel(addr & ~3);
984 ret = ldq_kernel(addr & ~7);
988 case 0xc: /* I-cache tag */
989 case 0xd: /* I-cache data */
990 case 0xe: /* D-cache tag */
991 case 0xf: /* D-cache data */
993 case 0x20: /* MMU passthrough */
996 ret = ldub_phys(addr);
999 ret = lduw_phys(addr & ~1);
1003 ret = ldl_phys(addr & ~3);
1006 ret = ldq_phys(addr & ~7);
1010 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1013 ret = ldub_phys((target_phys_addr_t)addr
1014 | ((target_phys_addr_t)(asi & 0xf) << 32));
1017 ret = lduw_phys((target_phys_addr_t)(addr & ~1)
1018 | ((target_phys_addr_t)(asi & 0xf) << 32));
1022 ret = ldl_phys((target_phys_addr_t)(addr & ~3)
1023 | ((target_phys_addr_t)(asi & 0xf) << 32));
1026 ret = ldq_phys((target_phys_addr_t)(addr & ~7)
1027 | ((target_phys_addr_t)(asi & 0xf) << 32));
1031 case 0x30: // Turbosparc secondary cache diagnostic
1032 case 0x31: // Turbosparc RAM snoop
1033 case 0x32: // Turbosparc page table descriptor diagnostic
1034 case 0x39: /* data cache diagnostic register */
1037 case 8: /* User code access, XXX */
1039 do_unassigned_access(addr, 0, 0, asi);
1049 ret = (int16_t) ret;
1052 ret = (int32_t) ret;
1059 dump_asi("read ", last_addr, asi, size, ret);
1064 void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size)
1067 case 2: /* SuperSparc MXCC registers */
1069 case 0x01c00000: /* MXCC stream data register 0 */
1071 env->mxccdata[0] = val;
1073 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1075 case 0x01c00008: /* MXCC stream data register 1 */
1077 env->mxccdata[1] = val;
1079 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1081 case 0x01c00010: /* MXCC stream data register 2 */
1083 env->mxccdata[2] = val;
1085 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1087 case 0x01c00018: /* MXCC stream data register 3 */
1089 env->mxccdata[3] = val;
1091 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1093 case 0x01c00100: /* MXCC stream source */
1095 env->mxccregs[0] = val;
1097 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1098 env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + 0);
1099 env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + 8);
1100 env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + 16);
1101 env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + 24);
1103 case 0x01c00200: /* MXCC stream destination */
1105 env->mxccregs[1] = val;
1107 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1108 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0, env->mxccdata[0]);
1109 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8, env->mxccdata[1]);
1110 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16, env->mxccdata[2]);
1111 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24, env->mxccdata[3]);
1113 case 0x01c00a00: /* MXCC control register */
1115 env->mxccregs[3] = val;
1117 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1119 case 0x01c00a04: /* MXCC control register */
1121 env->mxccregs[3] = (env->mxccregs[0xa] & 0xffffffff00000000ULL) | val;
1123 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1125 case 0x01c00e00: /* MXCC error register */
1126 // writing a 1 bit clears the error
1128 env->mxccregs[6] &= ~val;
1130 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1132 case 0x01c00f00: /* MBus port address register */
1134 env->mxccregs[7] = val;
1136 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, size);
1139 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr, size);
1142 DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %08x\n", asi, size, addr, val);
1147 case 3: /* MMU flush */
1151 mmulev = (addr >> 8) & 15;
1152 DPRINTF_MMU("mmu flush level %d\n", mmulev);
1154 case 0: // flush page
1155 tlb_flush_page(env, addr & 0xfffff000);
1157 case 1: // flush segment (256k)
1158 case 2: // flush region (16M)
1159 case 3: // flush context (4G)
1160 case 4: // flush entire
1171 case 4: /* write MMU regs */
1173 int reg = (addr >> 8) & 0x1f;
1176 oldreg = env->mmuregs[reg];
1178 case 0: // Control Register
1179 env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
1181 // Mappings generated during no-fault mode or MMU
1182 // disabled mode are invalid in normal mode
1183 if ((oldreg & (MMU_E | MMU_NF | env->mmu_bm)) !=
1184 (env->mmuregs[reg] & (MMU_E | MMU_NF | env->mmu_bm)))
1187 case 1: // Context Table Pointer Register
1188 env->mmuregs[reg] = val & env->mmu_ctpr_mask;
1190 case 2: // Context Register
1191 env->mmuregs[reg] = val & env->mmu_cxr_mask;
1192 if (oldreg != env->mmuregs[reg]) {
1193 /* we flush when the MMU context changes because
1194 QEMU has no MMU context support */
1198 case 3: // Synchronous Fault Status Register with Clear
1199 case 4: // Synchronous Fault Address Register
1201 case 0x10: // TLB Replacement Control Register
1202 env->mmuregs[reg] = val & env->mmu_trcr_mask;
1204 case 0x13: // Synchronous Fault Status Register with Read and Clear
1205 env->mmuregs[3] = val & env->mmu_sfsr_mask;
1207 case 0x14: // Synchronous Fault Address Register
1208 env->mmuregs[4] = val;
1211 env->mmuregs[reg] = val;
1214 if (oldreg != env->mmuregs[reg]) {
1215 DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n", reg, oldreg, env->mmuregs[reg]);
1222 case 5: // Turbosparc ITLB Diagnostic
1223 case 6: // Turbosparc DTLB Diagnostic
1224 case 7: // Turbosparc IOTLB Diagnostic
1226 case 0xa: /* User data access */
1229 stb_user(addr, val);
1232 stw_user(addr & ~1, val);
1236 stl_user(addr & ~3, val);
1239 stq_user(addr & ~7, val);
1243 case 0xb: /* Supervisor data access */
1246 stb_kernel(addr, val);
1249 stw_kernel(addr & ~1, val);
1253 stl_kernel(addr & ~3, val);
1256 stq_kernel(addr & ~7, val);
1260 case 0xc: /* I-cache tag */
1261 case 0xd: /* I-cache data */
1262 case 0xe: /* D-cache tag */
1263 case 0xf: /* D-cache data */
1264 case 0x10: /* I/D-cache flush page */
1265 case 0x11: /* I/D-cache flush segment */
1266 case 0x12: /* I/D-cache flush region */
1267 case 0x13: /* I/D-cache flush context */
1268 case 0x14: /* I/D-cache flush user */
1270 case 0x17: /* Block copy, sta access */
1276 uint32_t src = val & ~3, dst = addr & ~3, temp;
1278 for (i = 0; i < 32; i += 4, src += 4, dst += 4) {
1279 temp = ldl_kernel(src);
1280 stl_kernel(dst, temp);
1284 case 0x1f: /* Block fill, stda access */
1287 // fill 32 bytes with val
1289 uint32_t dst = addr & 7;
1291 for (i = 0; i < 32; i += 8, dst += 8)
1292 stq_kernel(dst, val);
1295 case 0x20: /* MMU passthrough */
1299 stb_phys(addr, val);
1302 stw_phys(addr & ~1, val);
1306 stl_phys(addr & ~3, val);
1309 stq_phys(addr & ~7, val);
1314 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1318 stb_phys((target_phys_addr_t)addr
1319 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1322 stw_phys((target_phys_addr_t)(addr & ~1)
1323 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1327 stl_phys((target_phys_addr_t)(addr & ~3)
1328 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1331 stq_phys((target_phys_addr_t)(addr & ~7)
1332 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1337 case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic
1338 case 0x31: // store buffer data, Ross RT620 I-cache flush or
1339 // Turbosparc snoop RAM
1340 case 0x32: // store buffer control or Turbosparc page table descriptor diagnostic
1341 case 0x36: /* I-cache flash clear */
1342 case 0x37: /* D-cache flash clear */
1343 case 0x38: /* breakpoint diagnostics */
1344 case 0x4c: /* breakpoint action */
1346 case 8: /* User code access, XXX */
1347 case 9: /* Supervisor code access, XXX */
1349 do_unassigned_access(addr, 1, 0, asi);
1353 dump_asi("write", addr, asi, size, val);
1357 #endif /* CONFIG_USER_ONLY */
1358 #else /* TARGET_SPARC64 */
1360 #ifdef CONFIG_USER_ONLY
1361 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1364 #if defined(DEBUG_ASI)
1365 target_ulong last_addr = addr;
1369 raise_exception(TT_PRIV_ACT);
1372 case 0x80: // Primary
1373 case 0x82: // Primary no-fault
1374 case 0x88: // Primary LE
1375 case 0x8a: // Primary no-fault LE
1379 ret = ldub_raw(addr);
1382 ret = lduw_raw(addr & ~1);
1385 ret = ldl_raw(addr & ~3);
1389 ret = ldq_raw(addr & ~7);
1394 case 0x81: // Secondary
1395 case 0x83: // Secondary no-fault
1396 case 0x89: // Secondary LE
1397 case 0x8b: // Secondary no-fault LE
1404 /* Convert from little endian */
1406 case 0x88: // Primary LE
1407 case 0x89: // Secondary LE
1408 case 0x8a: // Primary no-fault LE
1409 case 0x8b: // Secondary no-fault LE
1427 /* Convert to signed number */
1434 ret = (int16_t) ret;
1437 ret = (int32_t) ret;
1444 dump_asi("read ", last_addr, asi, size, ret);
1449 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1452 dump_asi("write", addr, asi, size, val);
1455 raise_exception(TT_PRIV_ACT);
1457 /* Convert to little endian */
1459 case 0x88: // Primary LE
1460 case 0x89: // Secondary LE
1463 addr = bswap16(addr);
1466 addr = bswap32(addr);
1469 addr = bswap64(addr);
1479 case 0x80: // Primary
1480 case 0x88: // Primary LE
1487 stw_raw(addr & ~1, val);
1490 stl_raw(addr & ~3, val);
1494 stq_raw(addr & ~7, val);
1499 case 0x81: // Secondary
1500 case 0x89: // Secondary LE
1504 case 0x82: // Primary no-fault, RO
1505 case 0x83: // Secondary no-fault, RO
1506 case 0x8a: // Primary no-fault LE, RO
1507 case 0x8b: // Secondary no-fault LE, RO
1509 do_unassigned_access(addr, 1, 0, 1);
1514 #else /* CONFIG_USER_ONLY */
1516 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1519 #if defined(DEBUG_ASI)
1520 target_ulong last_addr = addr;
1523 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1524 || (asi >= 0x30 && asi < 0x80 && !(env->hpstate & HS_PRIV)))
1525 raise_exception(TT_PRIV_ACT);
1528 case 0x10: // As if user primary
1529 case 0x18: // As if user primary LE
1530 case 0x80: // Primary
1531 case 0x82: // Primary no-fault
1532 case 0x88: // Primary LE
1533 case 0x8a: // Primary no-fault LE
1534 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1535 if (env->hpstate & HS_PRIV) {
1538 ret = ldub_hypv(addr);
1541 ret = lduw_hypv(addr & ~1);
1544 ret = ldl_hypv(addr & ~3);
1548 ret = ldq_hypv(addr & ~7);
1554 ret = ldub_kernel(addr);
1557 ret = lduw_kernel(addr & ~1);
1560 ret = ldl_kernel(addr & ~3);
1564 ret = ldq_kernel(addr & ~7);
1571 ret = ldub_user(addr);
1574 ret = lduw_user(addr & ~1);
1577 ret = ldl_user(addr & ~3);
1581 ret = ldq_user(addr & ~7);
1586 case 0x14: // Bypass
1587 case 0x15: // Bypass, non-cacheable
1588 case 0x1c: // Bypass LE
1589 case 0x1d: // Bypass, non-cacheable LE
1593 ret = ldub_phys(addr);
1596 ret = lduw_phys(addr & ~1);
1599 ret = ldl_phys(addr & ~3);
1603 ret = ldq_phys(addr & ~7);
1608 case 0x04: // Nucleus
1609 case 0x0c: // Nucleus Little Endian (LE)
1610 case 0x11: // As if user secondary
1611 case 0x19: // As if user secondary LE
1612 case 0x24: // Nucleus quad LDD 128 bit atomic
1613 case 0x2c: // Nucleus quad LDD 128 bit atomic
1614 case 0x4a: // UPA config
1615 case 0x81: // Secondary
1616 case 0x83: // Secondary no-fault
1617 case 0x89: // Secondary LE
1618 case 0x8b: // Secondary no-fault LE
1624 case 0x50: // I-MMU regs
1626 int reg = (addr >> 3) & 0xf;
1628 ret = env->immuregs[reg];
1631 case 0x51: // I-MMU 8k TSB pointer
1632 case 0x52: // I-MMU 64k TSB pointer
1633 case 0x55: // I-MMU data access
1636 case 0x56: // I-MMU tag read
1640 for (i = 0; i < 64; i++) {
1641 // Valid, ctx match, vaddr match
1642 if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0 &&
1643 env->itlb_tag[i] == addr) {
1644 ret = env->itlb_tag[i];
1650 case 0x58: // D-MMU regs
1652 int reg = (addr >> 3) & 0xf;
1654 ret = env->dmmuregs[reg];
1657 case 0x5e: // D-MMU tag read
1661 for (i = 0; i < 64; i++) {
1662 // Valid, ctx match, vaddr match
1663 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0 &&
1664 env->dtlb_tag[i] == addr) {
1665 ret = env->dtlb_tag[i];
1671 case 0x59: // D-MMU 8k TSB pointer
1672 case 0x5a: // D-MMU 64k TSB pointer
1673 case 0x5b: // D-MMU data pointer
1674 case 0x5d: // D-MMU data access
1675 case 0x48: // Interrupt dispatch, RO
1676 case 0x49: // Interrupt data receive
1677 case 0x7f: // Incoming interrupt vector, RO
1680 case 0x54: // I-MMU data in, WO
1681 case 0x57: // I-MMU demap, WO
1682 case 0x5c: // D-MMU data in, WO
1683 case 0x5f: // D-MMU demap, WO
1684 case 0x77: // Interrupt vector, WO
1686 do_unassigned_access(addr, 0, 0, 1);
1691 /* Convert from little endian */
1693 case 0x0c: // Nucleus Little Endian (LE)
1694 case 0x18: // As if user primary LE
1695 case 0x19: // As if user secondary LE
1696 case 0x1c: // Bypass LE
1697 case 0x1d: // Bypass, non-cacheable LE
1698 case 0x88: // Primary LE
1699 case 0x89: // Secondary LE
1700 case 0x8a: // Primary no-fault LE
1701 case 0x8b: // Secondary no-fault LE
1719 /* Convert to signed number */
1726 ret = (int16_t) ret;
1729 ret = (int32_t) ret;
1736 dump_asi("read ", last_addr, asi, size, ret);
1741 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1744 dump_asi("write", addr, asi, size, val);
1746 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1747 || (asi >= 0x30 && asi < 0x80 && !(env->hpstate & HS_PRIV)))
1748 raise_exception(TT_PRIV_ACT);
1750 /* Convert to little endian */
1752 case 0x0c: // Nucleus Little Endian (LE)
1753 case 0x18: // As if user primary LE
1754 case 0x19: // As if user secondary LE
1755 case 0x1c: // Bypass LE
1756 case 0x1d: // Bypass, non-cacheable LE
1757 case 0x88: // Primary LE
1758 case 0x89: // Secondary LE
1761 addr = bswap16(addr);
1764 addr = bswap32(addr);
1767 addr = bswap64(addr);
1777 case 0x10: // As if user primary
1778 case 0x18: // As if user primary LE
1779 case 0x80: // Primary
1780 case 0x88: // Primary LE
1781 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1782 if (env->hpstate & HS_PRIV) {
1785 stb_hypv(addr, val);
1788 stw_hypv(addr & ~1, val);
1791 stl_hypv(addr & ~3, val);
1795 stq_hypv(addr & ~7, val);
1801 stb_kernel(addr, val);
1804 stw_kernel(addr & ~1, val);
1807 stl_kernel(addr & ~3, val);
1811 stq_kernel(addr & ~7, val);
1818 stb_user(addr, val);
1821 stw_user(addr & ~1, val);
1824 stl_user(addr & ~3, val);
1828 stq_user(addr & ~7, val);
1833 case 0x14: // Bypass
1834 case 0x15: // Bypass, non-cacheable
1835 case 0x1c: // Bypass LE
1836 case 0x1d: // Bypass, non-cacheable LE
1840 stb_phys(addr, val);
1843 stw_phys(addr & ~1, val);
1846 stl_phys(addr & ~3, val);
1850 stq_phys(addr & ~7, val);
1855 case 0x04: // Nucleus
1856 case 0x0c: // Nucleus Little Endian (LE)
1857 case 0x11: // As if user secondary
1858 case 0x19: // As if user secondary LE
1859 case 0x24: // Nucleus quad LDD 128 bit atomic
1860 case 0x2c: // Nucleus quad LDD 128 bit atomic
1861 case 0x4a: // UPA config
1862 case 0x81: // Secondary
1863 case 0x89: // Secondary LE
1871 env->lsu = val & (DMMU_E | IMMU_E);
1872 // Mappings generated during D/I MMU disabled mode are
1873 // invalid in normal mode
1874 if (oldreg != env->lsu) {
1875 DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n", oldreg, env->lsu);
1883 case 0x50: // I-MMU regs
1885 int reg = (addr >> 3) & 0xf;
1888 oldreg = env->immuregs[reg];
1893 case 1: // Not in I-MMU
1900 val = 0; // Clear SFSR
1902 case 5: // TSB access
1903 case 6: // Tag access
1907 env->immuregs[reg] = val;
1908 if (oldreg != env->immuregs[reg]) {
1909 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
1916 case 0x54: // I-MMU data in
1920 // Try finding an invalid entry
1921 for (i = 0; i < 64; i++) {
1922 if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) {
1923 env->itlb_tag[i] = env->immuregs[6];
1924 env->itlb_tte[i] = val;
1928 // Try finding an unlocked entry
1929 for (i = 0; i < 64; i++) {
1930 if ((env->itlb_tte[i] & 0x40) == 0) {
1931 env->itlb_tag[i] = env->immuregs[6];
1932 env->itlb_tte[i] = val;
1939 case 0x55: // I-MMU data access
1941 unsigned int i = (addr >> 3) & 0x3f;
1943 env->itlb_tag[i] = env->immuregs[6];
1944 env->itlb_tte[i] = val;
1947 case 0x57: // I-MMU demap
1950 case 0x58: // D-MMU regs
1952 int reg = (addr >> 3) & 0xf;
1955 oldreg = env->dmmuregs[reg];
1961 if ((val & 1) == 0) {
1962 val = 0; // Clear SFSR, Fault address
1963 env->dmmuregs[4] = 0;
1965 env->dmmuregs[reg] = val;
1967 case 1: // Primary context
1968 case 2: // Secondary context
1969 case 5: // TSB access
1970 case 6: // Tag access
1971 case 7: // Virtual Watchpoint
1972 case 8: // Physical Watchpoint
1976 env->dmmuregs[reg] = val;
1977 if (oldreg != env->dmmuregs[reg]) {
1978 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
1985 case 0x5c: // D-MMU data in
1989 // Try finding an invalid entry
1990 for (i = 0; i < 64; i++) {
1991 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) {
1992 env->dtlb_tag[i] = env->dmmuregs[6];
1993 env->dtlb_tte[i] = val;
1997 // Try finding an unlocked entry
1998 for (i = 0; i < 64; i++) {
1999 if ((env->dtlb_tte[i] & 0x40) == 0) {
2000 env->dtlb_tag[i] = env->dmmuregs[6];
2001 env->dtlb_tte[i] = val;
2008 case 0x5d: // D-MMU data access
2010 unsigned int i = (addr >> 3) & 0x3f;
2012 env->dtlb_tag[i] = env->dmmuregs[6];
2013 env->dtlb_tte[i] = val;
2016 case 0x5f: // D-MMU demap
2017 case 0x49: // Interrupt data receive
2020 case 0x51: // I-MMU 8k TSB pointer, RO
2021 case 0x52: // I-MMU 64k TSB pointer, RO
2022 case 0x56: // I-MMU tag read, RO
2023 case 0x59: // D-MMU 8k TSB pointer, RO
2024 case 0x5a: // D-MMU 64k TSB pointer, RO
2025 case 0x5b: // D-MMU data pointer, RO
2026 case 0x5e: // D-MMU tag read, RO
2027 case 0x48: // Interrupt dispatch, RO
2028 case 0x7f: // Incoming interrupt vector, RO
2029 case 0x82: // Primary no-fault, RO
2030 case 0x83: // Secondary no-fault, RO
2031 case 0x8a: // Primary no-fault LE, RO
2032 case 0x8b: // Secondary no-fault LE, RO
2034 do_unassigned_access(addr, 1, 0, 1);
2038 #endif /* CONFIG_USER_ONLY */
2040 void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
2046 case 0xf0: // Block load primary
2047 case 0xf1: // Block load secondary
2048 case 0xf8: // Block load primary LE
2049 case 0xf9: // Block load secondary LE
2051 raise_exception(TT_ILL_INSN);
2055 raise_exception(TT_UNALIGNED);
2058 for (i = 0; i < 16; i++) {
2059 *(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4, 0);
2068 val = helper_ld_asi(addr, asi, size, 0);
2072 *((uint32_t *)&FT0) = val;
2075 *((int64_t *)&DT0) = val;
2077 #if defined(CONFIG_USER_ONLY)
2085 void helper_stf_asi(target_ulong addr, int asi, int size, int rd)
2088 target_ulong val = 0;
2091 case 0xf0: // Block store primary
2092 case 0xf1: // Block store secondary
2093 case 0xf8: // Block store primary LE
2094 case 0xf9: // Block store secondary LE
2096 raise_exception(TT_ILL_INSN);
2100 raise_exception(TT_UNALIGNED);
2103 for (i = 0; i < 16; i++) {
2104 val = *(uint32_t *)&env->fpr[rd++];
2105 helper_st_asi(addr, val, asi & 0x8f, 4);
2117 val = *((uint32_t *)&FT0);
2120 val = *((int64_t *)&DT0);
2122 #if defined(CONFIG_USER_ONLY)
2128 helper_st_asi(addr, val, asi, size);
2131 target_ulong helper_cas_asi(target_ulong addr, target_ulong val1,
2132 target_ulong val2, uint32_t asi)
2136 val1 &= 0xffffffffUL;
2137 ret = helper_ld_asi(addr, asi, 4, 0);
2138 ret &= 0xffffffffUL;
2140 helper_st_asi(addr, val2 & 0xffffffffUL, asi, 4);
2144 target_ulong helper_casx_asi(target_ulong addr, target_ulong val1,
2145 target_ulong val2, uint32_t asi)
2149 ret = helper_ld_asi(addr, asi, 8, 0);
2151 helper_st_asi(addr, val2, asi, 8);
2154 #endif /* TARGET_SPARC64 */
2156 #ifndef TARGET_SPARC64
2157 void helper_rett(void)
2161 if (env->psret == 1)
2162 raise_exception(TT_ILL_INSN);
2165 cwp = (env->cwp + 1) & (NWINDOWS - 1);
2166 if (env->wim & (1 << cwp)) {
2167 raise_exception(TT_WIN_UNF);
2170 env->psrs = env->psrps;
2174 target_ulong helper_udiv(target_ulong a, target_ulong b)
2179 x0 = a | ((uint64_t) (env->y) << 32);
2183 raise_exception(TT_DIV_ZERO);
2187 if (x0 > 0xffffffff) {
2196 target_ulong helper_sdiv(target_ulong a, target_ulong b)
2201 x0 = a | ((int64_t) (env->y) << 32);
2205 raise_exception(TT_DIV_ZERO);
2209 if ((int32_t) x0 != x0) {
2211 return x0 < 0? 0x80000000: 0x7fffffff;
2218 uint64_t helper_pack64(target_ulong high, target_ulong low)
2220 return ((uint64_t)high << 32) | (uint64_t)(low & 0xffffffff);
2224 #define ADDR(x) ((x) & 0xffffffff)
2230 void helper_std_i386(target_ulong addr, int mem_idx)
2232 uint64_t tmp = ((uint64_t)env->t1 << 32) | (uint64_t)(env->t2 & 0xffffffff);
2234 #if !defined(CONFIG_USER_ONLY)
2237 stq_user(ADDR(addr), tmp);
2240 stq_kernel(ADDR(addr), tmp);
2242 #ifdef TARGET_SPARC64
2244 stq_hypv(ADDR(addr), tmp);
2251 stq_raw(ADDR(addr), tmp);
2254 #endif /* __i386__ */
2256 void helper_stdf(target_ulong addr, int mem_idx)
2258 #if !defined(CONFIG_USER_ONLY)
2261 stfq_user(ADDR(addr), DT0);
2264 stfq_kernel(ADDR(addr), DT0);
2266 #ifdef TARGET_SPARC64
2268 stfq_hypv(ADDR(addr), DT0);
2275 stfq_raw(ADDR(addr), DT0);
2279 void helper_lddf(target_ulong addr, int mem_idx)
2281 #if !defined(CONFIG_USER_ONLY)
2284 DT0 = ldfq_user(ADDR(addr));
2287 DT0 = ldfq_kernel(ADDR(addr));
2289 #ifdef TARGET_SPARC64
2291 DT0 = ldfq_hypv(ADDR(addr));
2298 DT0 = ldfq_raw(ADDR(addr));
2302 #if defined(CONFIG_USER_ONLY)
2303 void helper_ldqf(target_ulong addr)
2305 // XXX add 128 bit load
2308 u.ll.upper = ldq_raw(ADDR(addr));
2309 u.ll.lower = ldq_raw(ADDR(addr + 8));
2313 void helper_stqf(target_ulong addr)
2315 // XXX add 128 bit store
2319 stq_raw(ADDR(addr), u.ll.upper);
2320 stq_raw(ADDR(addr + 8), u.ll.lower);
2326 void helper_ldfsr(void)
2330 PUT_FSR32(env, *((uint32_t *) &FT0));
2331 switch (env->fsr & FSR_RD_MASK) {
2332 case FSR_RD_NEAREST:
2333 rnd_mode = float_round_nearest_even;
2337 rnd_mode = float_round_to_zero;
2340 rnd_mode = float_round_up;
2343 rnd_mode = float_round_down;
2346 set_float_rounding_mode(rnd_mode, &env->fp_status);
2349 void helper_stfsr(void)
2351 *((uint32_t *) &FT0) = GET_FSR32(env);
2354 void helper_debug(void)
2356 env->exception_index = EXCP_DEBUG;
2360 #ifndef TARGET_SPARC64
2361 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2363 void helper_save(void)
2367 cwp = (env->cwp - 1) & (NWINDOWS - 1);
2368 if (env->wim & (1 << cwp)) {
2369 raise_exception(TT_WIN_OVF);
2374 void helper_restore(void)
2378 cwp = (env->cwp + 1) & (NWINDOWS - 1);
2379 if (env->wim & (1 << cwp)) {
2380 raise_exception(TT_WIN_UNF);
2385 void helper_wrpsr(target_ulong new_psr)
2387 if ((new_psr & PSR_CWP) >= NWINDOWS)
2388 raise_exception(TT_ILL_INSN);
2390 PUT_PSR(env, new_psr);
2393 target_ulong helper_rdpsr(void)
2395 return GET_PSR(env);
2399 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2401 void helper_save(void)
2405 cwp = (env->cwp - 1) & (NWINDOWS - 1);
2406 if (env->cansave == 0) {
2407 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2408 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2409 ((env->wstate & 0x7) << 2)));
2411 if (env->cleanwin - env->canrestore == 0) {
2412 // XXX Clean windows without trap
2413 raise_exception(TT_CLRWIN);
2422 void helper_restore(void)
2426 cwp = (env->cwp + 1) & (NWINDOWS - 1);
2427 if (env->canrestore == 0) {
2428 raise_exception(TT_FILL | (env->otherwin != 0 ?
2429 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2430 ((env->wstate & 0x7) << 2)));
2438 void helper_flushw(void)
2440 if (env->cansave != NWINDOWS - 2) {
2441 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2442 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2443 ((env->wstate & 0x7) << 2)));
2447 void helper_saved(void)
2450 if (env->otherwin == 0)
2456 void helper_restored(void)
2459 if (env->cleanwin < NWINDOWS - 1)
2461 if (env->otherwin == 0)
2467 target_ulong helper_rdccr(void)
2469 return GET_CCR(env);
2472 void helper_wrccr(target_ulong new_ccr)
2474 PUT_CCR(env, new_ccr);
2477 // CWP handling is reversed in V9, but we still use the V8 register
2479 target_ulong helper_rdcwp(void)
2481 return GET_CWP64(env);
2484 void helper_wrcwp(target_ulong new_cwp)
2486 PUT_CWP64(env, new_cwp);
2489 // This function uses non-native bit order
2490 #define GET_FIELD(X, FROM, TO) \
2491 ((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
2493 // This function uses the order in the manuals, i.e. bit 0 is 2^0
2494 #define GET_FIELD_SP(X, FROM, TO) \
2495 GET_FIELD(X, 63 - (TO), 63 - (FROM))
2497 target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
2499 return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
2500 (GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
2501 (GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
2502 (GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
2503 (GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
2504 (GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
2505 (((pixel_addr >> 55) & 1) << 4) |
2506 (GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
2507 GET_FIELD_SP(pixel_addr, 11, 12);
2510 target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
2514 tmp = addr + offset;
2516 env->gsr |= tmp & 7ULL;
2520 target_ulong helper_popc(target_ulong val)
2522 return ctpop64(val);
2525 static inline uint64_t *get_gregset(uint64_t pstate)
2540 static inline void change_pstate(uint64_t new_pstate)
2542 uint64_t pstate_regs, new_pstate_regs;
2543 uint64_t *src, *dst;
2545 pstate_regs = env->pstate & 0xc01;
2546 new_pstate_regs = new_pstate & 0xc01;
2547 if (new_pstate_regs != pstate_regs) {
2548 // Switch global register bank
2549 src = get_gregset(new_pstate_regs);
2550 dst = get_gregset(pstate_regs);
2551 memcpy32(dst, env->gregs);
2552 memcpy32(env->gregs, src);
2554 env->pstate = new_pstate;
2557 void helper_wrpstate(target_ulong new_state)
2559 change_pstate(new_state & 0xf3f);
2562 void helper_done(void)
2565 env->tsptr = &env->ts[env->tl];
2566 env->pc = env->tsptr->tpc;
2567 env->npc = env->tsptr->tnpc + 4;
2568 PUT_CCR(env, env->tsptr->tstate >> 32);
2569 env->asi = (env->tsptr->tstate >> 24) & 0xff;
2570 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2571 PUT_CWP64(env, env->tsptr->tstate & 0xff);
2574 void helper_retry(void)
2577 env->tsptr = &env->ts[env->tl];
2578 env->pc = env->tsptr->tpc;
2579 env->npc = env->tsptr->tnpc;
2580 PUT_CCR(env, env->tsptr->tstate >> 32);
2581 env->asi = (env->tsptr->tstate >> 24) & 0xff;
2582 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2583 PUT_CWP64(env, env->tsptr->tstate & 0xff);
2587 void set_cwp(int new_cwp)
2589 /* put the modified wrap registers at their proper location */
2590 if (env->cwp == (NWINDOWS - 1))
2591 memcpy32(env->regbase, env->regbase + NWINDOWS * 16);
2593 /* put the wrap registers at their temporary location */
2594 if (new_cwp == (NWINDOWS - 1))
2595 memcpy32(env->regbase + NWINDOWS * 16, env->regbase);
2596 env->regwptr = env->regbase + (new_cwp * 16);
2597 REGWPTR = env->regwptr;
2600 void cpu_set_cwp(CPUState *env1, int new_cwp)
2602 CPUState *saved_env;
2604 target_ulong *saved_regwptr;
2609 saved_regwptr = REGWPTR;
2615 REGWPTR = saved_regwptr;
2619 #ifdef TARGET_SPARC64
2621 static const char * const excp_names[0x50] = {
2622 [TT_TFAULT] = "Instruction Access Fault",
2623 [TT_TMISS] = "Instruction Access MMU Miss",
2624 [TT_CODE_ACCESS] = "Instruction Access Error",
2625 [TT_ILL_INSN] = "Illegal Instruction",
2626 [TT_PRIV_INSN] = "Privileged Instruction",
2627 [TT_NFPU_INSN] = "FPU Disabled",
2628 [TT_FP_EXCP] = "FPU Exception",
2629 [TT_TOVF] = "Tag Overflow",
2630 [TT_CLRWIN] = "Clean Windows",
2631 [TT_DIV_ZERO] = "Division By Zero",
2632 [TT_DFAULT] = "Data Access Fault",
2633 [TT_DMISS] = "Data Access MMU Miss",
2634 [TT_DATA_ACCESS] = "Data Access Error",
2635 [TT_DPROT] = "Data Protection Error",
2636 [TT_UNALIGNED] = "Unaligned Memory Access",
2637 [TT_PRIV_ACT] = "Privileged Action",
2638 [TT_EXTINT | 0x1] = "External Interrupt 1",
2639 [TT_EXTINT | 0x2] = "External Interrupt 2",
2640 [TT_EXTINT | 0x3] = "External Interrupt 3",
2641 [TT_EXTINT | 0x4] = "External Interrupt 4",
2642 [TT_EXTINT | 0x5] = "External Interrupt 5",
2643 [TT_EXTINT | 0x6] = "External Interrupt 6",
2644 [TT_EXTINT | 0x7] = "External Interrupt 7",
2645 [TT_EXTINT | 0x8] = "External Interrupt 8",
2646 [TT_EXTINT | 0x9] = "External Interrupt 9",
2647 [TT_EXTINT | 0xa] = "External Interrupt 10",
2648 [TT_EXTINT | 0xb] = "External Interrupt 11",
2649 [TT_EXTINT | 0xc] = "External Interrupt 12",
2650 [TT_EXTINT | 0xd] = "External Interrupt 13",
2651 [TT_EXTINT | 0xe] = "External Interrupt 14",
2652 [TT_EXTINT | 0xf] = "External Interrupt 15",
2656 void do_interrupt(int intno)
2659 if (loglevel & CPU_LOG_INT) {
2663 if (intno < 0 || intno >= 0x180 || (intno > 0x4f && intno < 0x80))
2665 else if (intno >= 0x100)
2666 name = "Trap Instruction";
2667 else if (intno >= 0xc0)
2668 name = "Window Fill";
2669 else if (intno >= 0x80)
2670 name = "Window Spill";
2672 name = excp_names[intno];
2677 fprintf(logfile, "%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
2678 " SP=%016" PRIx64 "\n",
2681 env->npc, env->regwptr[6]);
2682 cpu_dump_state(env, logfile, fprintf, 0);
2688 fprintf(logfile, " code=");
2689 ptr = (uint8_t *)env->pc;
2690 for(i = 0; i < 16; i++) {
2691 fprintf(logfile, " %02x", ldub(ptr + i));
2693 fprintf(logfile, "\n");
2699 #if !defined(CONFIG_USER_ONLY)
2700 if (env->tl == MAXTL) {
2701 cpu_abort(env, "Trap 0x%04x while trap level is MAXTL, Error state", env->exception_index);
2705 env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
2706 ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
2708 env->tsptr->tpc = env->pc;
2709 env->tsptr->tnpc = env->npc;
2710 env->tsptr->tt = intno;
2711 change_pstate(PS_PEF | PS_PRIV | PS_AG);
2713 if (intno == TT_CLRWIN)
2714 set_cwp((env->cwp - 1) & (NWINDOWS - 1));
2715 else if ((intno & 0x1c0) == TT_SPILL)
2716 set_cwp((env->cwp - env->cansave - 2) & (NWINDOWS - 1));
2717 else if ((intno & 0x1c0) == TT_FILL)
2718 set_cwp((env->cwp + 1) & (NWINDOWS - 1));
2719 env->tbr &= ~0x7fffULL;
2720 env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
2721 if (env->tl < MAXTL - 1) {
2724 env->pstate |= PS_RED;
2725 if (env->tl != MAXTL)
2728 env->tsptr = &env->ts[env->tl];
2730 env->npc = env->pc + 4;
2731 env->exception_index = 0;
2735 static const char * const excp_names[0x80] = {
2736 [TT_TFAULT] = "Instruction Access Fault",
2737 [TT_ILL_INSN] = "Illegal Instruction",
2738 [TT_PRIV_INSN] = "Privileged Instruction",
2739 [TT_NFPU_INSN] = "FPU Disabled",
2740 [TT_WIN_OVF] = "Window Overflow",
2741 [TT_WIN_UNF] = "Window Underflow",
2742 [TT_UNALIGNED] = "Unaligned Memory Access",
2743 [TT_FP_EXCP] = "FPU Exception",
2744 [TT_DFAULT] = "Data Access Fault",
2745 [TT_TOVF] = "Tag Overflow",
2746 [TT_EXTINT | 0x1] = "External Interrupt 1",
2747 [TT_EXTINT | 0x2] = "External Interrupt 2",
2748 [TT_EXTINT | 0x3] = "External Interrupt 3",
2749 [TT_EXTINT | 0x4] = "External Interrupt 4",
2750 [TT_EXTINT | 0x5] = "External Interrupt 5",
2751 [TT_EXTINT | 0x6] = "External Interrupt 6",
2752 [TT_EXTINT | 0x7] = "External Interrupt 7",
2753 [TT_EXTINT | 0x8] = "External Interrupt 8",
2754 [TT_EXTINT | 0x9] = "External Interrupt 9",
2755 [TT_EXTINT | 0xa] = "External Interrupt 10",
2756 [TT_EXTINT | 0xb] = "External Interrupt 11",
2757 [TT_EXTINT | 0xc] = "External Interrupt 12",
2758 [TT_EXTINT | 0xd] = "External Interrupt 13",
2759 [TT_EXTINT | 0xe] = "External Interrupt 14",
2760 [TT_EXTINT | 0xf] = "External Interrupt 15",
2761 [TT_TOVF] = "Tag Overflow",
2762 [TT_CODE_ACCESS] = "Instruction Access Error",
2763 [TT_DATA_ACCESS] = "Data Access Error",
2764 [TT_DIV_ZERO] = "Division By Zero",
2765 [TT_NCP_INSN] = "Coprocessor Disabled",
2769 void do_interrupt(int intno)
2774 if (loglevel & CPU_LOG_INT) {
2778 if (intno < 0 || intno >= 0x100)
2780 else if (intno >= 0x80)
2781 name = "Trap Instruction";
2783 name = excp_names[intno];
2788 fprintf(logfile, "%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
2791 env->npc, env->regwptr[6]);
2792 cpu_dump_state(env, logfile, fprintf, 0);
2798 fprintf(logfile, " code=");
2799 ptr = (uint8_t *)env->pc;
2800 for(i = 0; i < 16; i++) {
2801 fprintf(logfile, " %02x", ldub(ptr + i));
2803 fprintf(logfile, "\n");
2809 #if !defined(CONFIG_USER_ONLY)
2810 if (env->psret == 0) {
2811 cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state", env->exception_index);
2816 cwp = (env->cwp - 1) & (NWINDOWS - 1);
2818 env->regwptr[9] = env->pc;
2819 env->regwptr[10] = env->npc;
2820 env->psrps = env->psrs;
2822 env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
2824 env->npc = env->pc + 4;
2825 env->exception_index = 0;
2829 #if !defined(CONFIG_USER_ONLY)
2831 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
2834 #define MMUSUFFIX _mmu
2835 #define ALIGNED_ONLY
2837 # define GETPC() ((void*)((unsigned long)__builtin_return_address(0) & 0x7fffffffUL))
2839 # define GETPC() (__builtin_return_address(0))
2843 #include "softmmu_template.h"
2846 #include "softmmu_template.h"
2849 #include "softmmu_template.h"
2852 #include "softmmu_template.h"
2854 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
2857 #ifdef DEBUG_UNALIGNED
2858 printf("Unaligned access to 0x%x from 0x%x\n", addr, env->pc);
2860 raise_exception(TT_UNALIGNED);
2863 /* try to fill the TLB and return an exception if error. If retaddr is
2864 NULL, it means that the function was called in C code (i.e. not
2865 from generated code or from helper.c) */
2866 /* XXX: fix it to restore all registers */
2867 void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
2869 TranslationBlock *tb;
2872 CPUState *saved_env;
2874 /* XXX: hack to restore env in all cases, even if not called from
2877 env = cpu_single_env;
2879 ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
2882 /* now we have a real cpu fault */
2883 pc = (unsigned long)retaddr;
2884 tb = tb_find_pc(pc);
2886 /* the PC is inside the translated code. It means that we have
2887 a virtual CPU fault */
2888 cpu_restore_state(tb, env, pc, (void *)T2);
2898 #ifndef TARGET_SPARC64
2899 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
2902 CPUState *saved_env;
2904 /* XXX: hack to restore env in all cases, even if not called from
2907 env = cpu_single_env;
2908 #ifdef DEBUG_UNASSIGNED
2910 printf("Unassigned mem %s access to " TARGET_FMT_plx " asi 0x%02x from "
2912 is_exec ? "exec" : is_write ? "write" : "read", addr, is_asi,
2915 printf("Unassigned mem %s access to " TARGET_FMT_plx " from "
2917 is_exec ? "exec" : is_write ? "write" : "read", addr, env->pc);
2919 if (env->mmuregs[3]) /* Fault status register */
2920 env->mmuregs[3] = 1; /* overflow (not read before another fault) */
2922 env->mmuregs[3] |= 1 << 16;
2924 env->mmuregs[3] |= 1 << 5;
2926 env->mmuregs[3] |= 1 << 6;
2928 env->mmuregs[3] |= 1 << 7;
2929 env->mmuregs[3] |= (5 << 2) | 2;
2930 env->mmuregs[4] = addr; /* Fault address register */
2931 if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) {
2933 raise_exception(TT_CODE_ACCESS);
2935 raise_exception(TT_DATA_ACCESS);
2940 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
2943 #ifdef DEBUG_UNASSIGNED
2944 CPUState *saved_env;
2946 /* XXX: hack to restore env in all cases, even if not called from
2949 env = cpu_single_env;
2950 printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx "\n",
2955 raise_exception(TT_CODE_ACCESS);
2957 raise_exception(TT_DATA_ACCESS);