2 #include "host-utils.h"
4 #if !defined(CONFIG_USER_ONLY)
5 #include "softmmu_exec.h"
6 #endif /* !defined(CONFIG_USER_ONLY) */
10 //#define DEBUG_UNALIGNED
11 //#define DEBUG_UNASSIGNED
15 #define DPRINTF_MMU(fmt, args...) \
16 do { printf("MMU: " fmt , ##args); } while (0)
18 #define DPRINTF_MMU(fmt, args...) do {} while (0)
22 #define DPRINTF_MXCC(fmt, args...) \
23 do { printf("MXCC: " fmt , ##args); } while (0)
25 #define DPRINTF_MXCC(fmt, args...) do {} while (0)
29 #define DPRINTF_ASI(fmt, args...) \
30 do { printf("ASI: " fmt , ##args); } while (0)
32 #define DPRINTF_ASI(fmt, args...) do {} while (0)
37 #define AM_CHECK(env1) ((env1)->pstate & PS_AM)
39 #define AM_CHECK(env1) (1)
43 static inline void address_mask(CPUState *env1, target_ulong *addr)
47 *addr &= 0xffffffffULL;
51 void raise_exception(int tt)
53 env->exception_index = tt;
57 void helper_trap(target_ulong nb_trap)
59 env->exception_index = TT_TRAP + (nb_trap & 0x7f);
63 void helper_trapcc(target_ulong nb_trap, target_ulong do_trap)
66 env->exception_index = TT_TRAP + (nb_trap & 0x7f);
71 static inline void set_cwp(int new_cwp)
73 cpu_set_cwp(env, new_cwp);
76 void helper_check_align(target_ulong addr, uint32_t align)
79 #ifdef DEBUG_UNALIGNED
80 printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
83 raise_exception(TT_UNALIGNED);
87 #define F_HELPER(name, p) void helper_f##name##p(void)
89 #define F_BINOP(name) \
92 FT0 = float32_ ## name (FT0, FT1, &env->fp_status); \
96 DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \
100 QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \
109 void helper_fsmuld(void)
111 DT0 = float64_mul(float32_to_float64(FT0, &env->fp_status),
112 float32_to_float64(FT1, &env->fp_status),
116 void helper_fdmulq(void)
118 QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status),
119 float64_to_float128(DT1, &env->fp_status),
125 FT0 = float32_chs(FT1);
128 #ifdef TARGET_SPARC64
131 DT0 = float64_chs(DT1);
136 QT0 = float128_chs(QT1);
140 /* Integer to float conversion. */
143 FT0 = int32_to_float32(*((int32_t *)&FT1), &env->fp_status);
148 DT0 = int32_to_float64(*((int32_t *)&FT1), &env->fp_status);
153 QT0 = int32_to_float128(*((int32_t *)&FT1), &env->fp_status);
156 #ifdef TARGET_SPARC64
159 FT0 = int64_to_float32(*((int64_t *)&DT1), &env->fp_status);
164 DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status);
169 QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status);
174 /* floating point conversion */
175 void helper_fdtos(void)
177 FT0 = float64_to_float32(DT1, &env->fp_status);
180 void helper_fstod(void)
182 DT0 = float32_to_float64(FT1, &env->fp_status);
185 void helper_fqtos(void)
187 FT0 = float128_to_float32(QT1, &env->fp_status);
190 void helper_fstoq(void)
192 QT0 = float32_to_float128(FT1, &env->fp_status);
195 void helper_fqtod(void)
197 DT0 = float128_to_float64(QT1, &env->fp_status);
200 void helper_fdtoq(void)
202 QT0 = float64_to_float128(DT1, &env->fp_status);
205 /* Float to integer conversion. */
206 void helper_fstoi(void)
208 *((int32_t *)&FT0) = float32_to_int32_round_to_zero(FT1, &env->fp_status);
211 void helper_fdtoi(void)
213 *((int32_t *)&FT0) = float64_to_int32_round_to_zero(DT1, &env->fp_status);
216 void helper_fqtoi(void)
218 *((int32_t *)&FT0) = float128_to_int32_round_to_zero(QT1, &env->fp_status);
221 #ifdef TARGET_SPARC64
222 void helper_fstox(void)
224 *((int64_t *)&DT0) = float32_to_int64_round_to_zero(FT1, &env->fp_status);
227 void helper_fdtox(void)
229 *((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status);
232 void helper_fqtox(void)
234 *((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status);
237 void helper_faligndata(void)
241 tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8);
242 /* on many architectures a shift of 64 does nothing */
243 if ((env->gsr & 7) != 0) {
244 tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8);
246 *((uint64_t *)&DT0) = tmp;
249 void helper_movl_FT0_0(void)
251 *((uint32_t *)&FT0) = 0;
254 void helper_movl_DT0_0(void)
256 *((uint64_t *)&DT0) = 0;
259 void helper_movl_FT0_1(void)
261 *((uint32_t *)&FT0) = 0xffffffff;
264 void helper_movl_DT0_1(void)
266 *((uint64_t *)&DT0) = 0xffffffffffffffffULL;
269 void helper_fnot(void)
271 *(uint64_t *)&DT0 = ~*(uint64_t *)&DT1;
274 void helper_fnots(void)
276 *(uint32_t *)&FT0 = ~*(uint32_t *)&FT1;
279 void helper_fnor(void)
281 *(uint64_t *)&DT0 = ~(*(uint64_t *)&DT0 | *(uint64_t *)&DT1);
284 void helper_fnors(void)
286 *(uint32_t *)&FT0 = ~(*(uint32_t *)&FT0 | *(uint32_t *)&FT1);
289 void helper_for(void)
291 *(uint64_t *)&DT0 |= *(uint64_t *)&DT1;
294 void helper_fors(void)
296 *(uint32_t *)&FT0 |= *(uint32_t *)&FT1;
299 void helper_fxor(void)
301 *(uint64_t *)&DT0 ^= *(uint64_t *)&DT1;
304 void helper_fxors(void)
306 *(uint32_t *)&FT0 ^= *(uint32_t *)&FT1;
309 void helper_fand(void)
311 *(uint64_t *)&DT0 &= *(uint64_t *)&DT1;
314 void helper_fands(void)
316 *(uint32_t *)&FT0 &= *(uint32_t *)&FT1;
319 void helper_fornot(void)
321 *(uint64_t *)&DT0 = *(uint64_t *)&DT0 | ~*(uint64_t *)&DT1;
324 void helper_fornots(void)
326 *(uint32_t *)&FT0 = *(uint32_t *)&FT0 | ~*(uint32_t *)&FT1;
329 void helper_fandnot(void)
331 *(uint64_t *)&DT0 = *(uint64_t *)&DT0 & ~*(uint64_t *)&DT1;
334 void helper_fandnots(void)
336 *(uint32_t *)&FT0 = *(uint32_t *)&FT0 & ~*(uint32_t *)&FT1;
339 void helper_fnand(void)
341 *(uint64_t *)&DT0 = ~(*(uint64_t *)&DT0 & *(uint64_t *)&DT1);
344 void helper_fnands(void)
346 *(uint32_t *)&FT0 = ~(*(uint32_t *)&FT0 & *(uint32_t *)&FT1);
349 void helper_fxnor(void)
351 *(uint64_t *)&DT0 ^= ~*(uint64_t *)&DT1;
354 void helper_fxnors(void)
356 *(uint32_t *)&FT0 ^= ~*(uint32_t *)&FT1;
359 #ifdef WORDS_BIGENDIAN
360 #define VIS_B64(n) b[7 - (n)]
361 #define VIS_W64(n) w[3 - (n)]
362 #define VIS_SW64(n) sw[3 - (n)]
363 #define VIS_L64(n) l[1 - (n)]
364 #define VIS_B32(n) b[3 - (n)]
365 #define VIS_W32(n) w[1 - (n)]
367 #define VIS_B64(n) b[n]
368 #define VIS_W64(n) w[n]
369 #define VIS_SW64(n) sw[n]
370 #define VIS_L64(n) l[n]
371 #define VIS_B32(n) b[n]
372 #define VIS_W32(n) w[n]
390 void helper_fpmerge(void)
397 // Reverse calculation order to handle overlap
398 d.VIS_B64(7) = s.VIS_B64(3);
399 d.VIS_B64(6) = d.VIS_B64(3);
400 d.VIS_B64(5) = s.VIS_B64(2);
401 d.VIS_B64(4) = d.VIS_B64(2);
402 d.VIS_B64(3) = s.VIS_B64(1);
403 d.VIS_B64(2) = d.VIS_B64(1);
404 d.VIS_B64(1) = s.VIS_B64(0);
405 //d.VIS_B64(0) = d.VIS_B64(0);
410 void helper_fmul8x16(void)
419 tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \
420 if ((tmp & 0xff) > 0x7f) \
422 d.VIS_W64(r) = tmp >> 8;
433 void helper_fmul8x16al(void)
442 tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \
443 if ((tmp & 0xff) > 0x7f) \
445 d.VIS_W64(r) = tmp >> 8;
456 void helper_fmul8x16au(void)
465 tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
466 if ((tmp & 0xff) > 0x7f) \
468 d.VIS_W64(r) = tmp >> 8;
479 void helper_fmul8sux16(void)
488 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
489 if ((tmp & 0xff) > 0x7f) \
491 d.VIS_W64(r) = tmp >> 8;
502 void helper_fmul8ulx16(void)
511 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
512 if ((tmp & 0xff) > 0x7f) \
514 d.VIS_W64(r) = tmp >> 8;
525 void helper_fmuld8sux16(void)
534 tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
535 if ((tmp & 0xff) > 0x7f) \
539 // Reverse calculation order to handle overlap
547 void helper_fmuld8ulx16(void)
556 tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
557 if ((tmp & 0xff) > 0x7f) \
561 // Reverse calculation order to handle overlap
569 void helper_fexpand(void)
574 s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
576 d.VIS_L64(0) = s.VIS_W32(0) << 4;
577 d.VIS_L64(1) = s.VIS_W32(1) << 4;
578 d.VIS_L64(2) = s.VIS_W32(2) << 4;
579 d.VIS_L64(3) = s.VIS_W32(3) << 4;
584 #define VIS_HELPER(name, F) \
585 void name##16(void) \
592 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \
593 d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \
594 d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \
595 d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \
600 void name##16s(void) \
607 d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \
608 d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \
613 void name##32(void) \
620 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \
621 d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \
626 void name##32s(void) \
638 #define FADD(a, b) ((a) + (b))
639 #define FSUB(a, b) ((a) - (b))
640 VIS_HELPER(helper_fpadd, FADD)
641 VIS_HELPER(helper_fpsub, FSUB)
643 #define VIS_CMPHELPER(name, F) \
644 void name##16(void) \
651 d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0))? 1: 0; \
652 d.VIS_W64(0) |= F(d.VIS_W64(1), s.VIS_W64(1))? 2: 0; \
653 d.VIS_W64(0) |= F(d.VIS_W64(2), s.VIS_W64(2))? 4: 0; \
654 d.VIS_W64(0) |= F(d.VIS_W64(3), s.VIS_W64(3))? 8: 0; \
659 void name##32(void) \
666 d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0))? 1: 0; \
667 d.VIS_L64(0) |= F(d.VIS_L64(1), s.VIS_L64(1))? 2: 0; \
672 #define FCMPGT(a, b) ((a) > (b))
673 #define FCMPEQ(a, b) ((a) == (b))
674 #define FCMPLE(a, b) ((a) <= (b))
675 #define FCMPNE(a, b) ((a) != (b))
677 VIS_CMPHELPER(helper_fcmpgt, FCMPGT)
678 VIS_CMPHELPER(helper_fcmpeq, FCMPEQ)
679 VIS_CMPHELPER(helper_fcmple, FCMPLE)
680 VIS_CMPHELPER(helper_fcmpne, FCMPNE)
683 void helper_check_ieee_exceptions(void)
687 status = get_float_exception_flags(&env->fp_status);
689 /* Copy IEEE 754 flags into FSR */
690 if (status & float_flag_invalid)
692 if (status & float_flag_overflow)
694 if (status & float_flag_underflow)
696 if (status & float_flag_divbyzero)
698 if (status & float_flag_inexact)
701 if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) {
702 /* Unmasked exception, generate a trap */
703 env->fsr |= FSR_FTT_IEEE_EXCP;
704 raise_exception(TT_FP_EXCP);
706 /* Accumulate exceptions */
707 env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5;
712 void helper_clear_float_exceptions(void)
714 set_float_exception_flags(0, &env->fp_status);
717 void helper_fabss(void)
719 FT0 = float32_abs(FT1);
722 #ifdef TARGET_SPARC64
723 void helper_fabsd(void)
725 DT0 = float64_abs(DT1);
728 void helper_fabsq(void)
730 QT0 = float128_abs(QT1);
734 void helper_fsqrts(void)
736 FT0 = float32_sqrt(FT1, &env->fp_status);
739 void helper_fsqrtd(void)
741 DT0 = float64_sqrt(DT1, &env->fp_status);
744 void helper_fsqrtq(void)
746 QT0 = float128_sqrt(QT1, &env->fp_status);
749 #define GEN_FCMP(name, size, reg1, reg2, FS, TRAP) \
750 void glue(helper_, name) (void) \
752 target_ulong new_fsr; \
754 env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
755 switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
756 case float_relation_unordered: \
757 new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \
758 if ((env->fsr & FSR_NVM) || TRAP) { \
759 env->fsr |= new_fsr; \
760 env->fsr |= FSR_NVC; \
761 env->fsr |= FSR_FTT_IEEE_EXCP; \
762 raise_exception(TT_FP_EXCP); \
764 env->fsr |= FSR_NVA; \
767 case float_relation_less: \
768 new_fsr = FSR_FCC0 << FS; \
770 case float_relation_greater: \
771 new_fsr = FSR_FCC1 << FS; \
777 env->fsr |= new_fsr; \
780 GEN_FCMP(fcmps, float32, FT0, FT1, 0, 0);
781 GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0);
783 GEN_FCMP(fcmpes, float32, FT0, FT1, 0, 1);
784 GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1);
786 GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0);
787 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);
792 GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
794 GEN_FCMP(fcmps_fcc2, float32, FT0, FT1, 24, 0);
795 GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
796 GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
798 GEN_FCMP(fcmps_fcc3, float32, FT0, FT1, 26, 0);
799 GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
800 GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
802 GEN_FCMP(fcmpes_fcc1, float32, FT0, FT1, 22, 1);
803 GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
804 GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
806 GEN_FCMP(fcmpes_fcc2, float32, FT0, FT1, 24, 1);
807 GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
808 GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
810 GEN_FCMP(fcmpes_fcc3, float32, FT0, FT1, 26, 1);
811 GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
812 GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
815 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
817 static void dump_mxcc(CPUState *env)
819 printf("mxccdata: %016llx %016llx %016llx %016llx\n",
820 env->mxccdata[0], env->mxccdata[1],
821 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],
825 env->mxccregs[2], env->mxccregs[3],
826 env->mxccregs[4], env->mxccregs[5],
827 env->mxccregs[6], env->mxccregs[7]);
831 #if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
832 && defined(DEBUG_ASI)
833 static void dump_asi(const char *txt, target_ulong addr, int asi, int size,
839 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt,
840 addr, asi, r1 & 0xff);
843 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt,
844 addr, asi, r1 & 0xffff);
847 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt,
848 addr, asi, r1 & 0xffffffff);
851 DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt,
858 #ifndef TARGET_SPARC64
859 #ifndef CONFIG_USER_ONLY
860 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
863 #if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
864 uint32_t last_addr = addr;
867 helper_check_align(addr, size - 1);
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,
878 case 0x01c00a04: /* MXCC control register */
880 ret = env->mxccregs[3];
882 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
885 case 0x01c00c00: /* Module reset register */
887 ret = env->mxccregs[5];
888 // should we do something here?
890 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
893 case 0x01c00f00: /* MBus port address register */
895 ret = env->mxccregs[7];
897 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
901 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
905 DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
906 "addr = %08x -> ret = %08x,"
907 "addr = %08x\n", asi, size, sign, last_addr, ret, addr);
912 case 3: /* MMU probe */
916 mmulev = (addr >> 8) & 15;
920 ret = mmu_probe(env, addr, mmulev);
921 DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n",
925 case 4: /* read MMU regs */
927 int reg = (addr >> 8) & 0x1f;
929 ret = env->mmuregs[reg];
930 if (reg == 3) /* Fault status cleared on read */
932 else if (reg == 0x13) /* Fault status read */
933 ret = env->mmuregs[3];
934 else if (reg == 0x14) /* Fault address read */
935 ret = env->mmuregs[4];
936 DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret);
939 case 5: // Turbosparc ITLB Diagnostic
940 case 6: // Turbosparc DTLB Diagnostic
941 case 7: // Turbosparc IOTLB Diagnostic
943 case 9: /* Supervisor code access */
946 ret = ldub_code(addr);
949 ret = lduw_code(addr);
953 ret = ldl_code(addr);
956 ret = ldq_code(addr);
960 case 0xa: /* User data access */
963 ret = ldub_user(addr);
966 ret = lduw_user(addr);
970 ret = ldl_user(addr);
973 ret = ldq_user(addr);
977 case 0xb: /* Supervisor data access */
980 ret = ldub_kernel(addr);
983 ret = lduw_kernel(addr);
987 ret = ldl_kernel(addr);
990 ret = ldq_kernel(addr);
994 case 0xc: /* I-cache tag */
995 case 0xd: /* I-cache data */
996 case 0xe: /* D-cache tag */
997 case 0xf: /* D-cache data */
999 case 0x20: /* MMU passthrough */
1002 ret = ldub_phys(addr);
1005 ret = lduw_phys(addr);
1009 ret = ldl_phys(addr);
1012 ret = ldq_phys(addr);
1016 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1019 ret = ldub_phys((target_phys_addr_t)addr
1020 | ((target_phys_addr_t)(asi & 0xf) << 32));
1023 ret = lduw_phys((target_phys_addr_t)addr
1024 | ((target_phys_addr_t)(asi & 0xf) << 32));
1028 ret = ldl_phys((target_phys_addr_t)addr
1029 | ((target_phys_addr_t)(asi & 0xf) << 32));
1032 ret = ldq_phys((target_phys_addr_t)addr
1033 | ((target_phys_addr_t)(asi & 0xf) << 32));
1037 case 0x30: // Turbosparc secondary cache diagnostic
1038 case 0x31: // Turbosparc RAM snoop
1039 case 0x32: // Turbosparc page table descriptor diagnostic
1040 case 0x39: /* data cache diagnostic register */
1043 case 8: /* User code access, XXX */
1045 do_unassigned_access(addr, 0, 0, asi);
1055 ret = (int16_t) ret;
1058 ret = (int32_t) ret;
1065 dump_asi("read ", last_addr, asi, size, ret);
1070 void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size)
1072 helper_check_align(addr, size - 1);
1074 case 2: /* SuperSparc MXCC registers */
1076 case 0x01c00000: /* MXCC stream data register 0 */
1078 env->mxccdata[0] = val;
1080 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1083 case 0x01c00008: /* MXCC stream data register 1 */
1085 env->mxccdata[1] = val;
1087 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1090 case 0x01c00010: /* MXCC stream data register 2 */
1092 env->mxccdata[2] = val;
1094 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1097 case 0x01c00018: /* MXCC stream data register 3 */
1099 env->mxccdata[3] = val;
1101 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1104 case 0x01c00100: /* MXCC stream source */
1106 env->mxccregs[0] = val;
1108 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1110 env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1112 env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1114 env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1116 env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1119 case 0x01c00200: /* MXCC stream destination */
1121 env->mxccregs[1] = val;
1123 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1125 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0,
1127 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8,
1129 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16,
1131 stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24,
1134 case 0x01c00a00: /* MXCC control register */
1136 env->mxccregs[3] = val;
1138 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1141 case 0x01c00a04: /* MXCC control register */
1143 env->mxccregs[3] = (env->mxccregs[0xa] & 0xffffffff00000000ULL)
1146 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1149 case 0x01c00e00: /* MXCC error register */
1150 // writing a 1 bit clears the error
1152 env->mxccregs[6] &= ~val;
1154 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1157 case 0x01c00f00: /* MBus port address register */
1159 env->mxccregs[7] = val;
1161 DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1165 DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1169 DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %08x\n", asi,
1175 case 3: /* MMU flush */
1179 mmulev = (addr >> 8) & 15;
1180 DPRINTF_MMU("mmu flush level %d\n", mmulev);
1182 case 0: // flush page
1183 tlb_flush_page(env, addr & 0xfffff000);
1185 case 1: // flush segment (256k)
1186 case 2: // flush region (16M)
1187 case 3: // flush context (4G)
1188 case 4: // flush entire
1199 case 4: /* write MMU regs */
1201 int reg = (addr >> 8) & 0x1f;
1204 oldreg = env->mmuregs[reg];
1206 case 0: // Control Register
1207 env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
1209 // Mappings generated during no-fault mode or MMU
1210 // disabled mode are invalid in normal mode
1211 if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) !=
1212 (env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm)))
1215 case 1: // Context Table Pointer Register
1216 env->mmuregs[reg] = val & env->def->mmu_ctpr_mask;
1218 case 2: // Context Register
1219 env->mmuregs[reg] = val & env->def->mmu_cxr_mask;
1220 if (oldreg != env->mmuregs[reg]) {
1221 /* we flush when the MMU context changes because
1222 QEMU has no MMU context support */
1226 case 3: // Synchronous Fault Status Register with Clear
1227 case 4: // Synchronous Fault Address Register
1229 case 0x10: // TLB Replacement Control Register
1230 env->mmuregs[reg] = val & env->def->mmu_trcr_mask;
1232 case 0x13: // Synchronous Fault Status Register with Read and Clear
1233 env->mmuregs[3] = val & env->def->mmu_sfsr_mask;
1235 case 0x14: // Synchronous Fault Address Register
1236 env->mmuregs[4] = val;
1239 env->mmuregs[reg] = val;
1242 if (oldreg != env->mmuregs[reg]) {
1243 DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
1244 reg, oldreg, env->mmuregs[reg]);
1251 case 5: // Turbosparc ITLB Diagnostic
1252 case 6: // Turbosparc DTLB Diagnostic
1253 case 7: // Turbosparc IOTLB Diagnostic
1255 case 0xa: /* User data access */
1258 stb_user(addr, val);
1261 stw_user(addr, val);
1265 stl_user(addr, val);
1268 stq_user(addr, val);
1272 case 0xb: /* Supervisor data access */
1275 stb_kernel(addr, val);
1278 stw_kernel(addr, val);
1282 stl_kernel(addr, val);
1285 stq_kernel(addr, val);
1289 case 0xc: /* I-cache tag */
1290 case 0xd: /* I-cache data */
1291 case 0xe: /* D-cache tag */
1292 case 0xf: /* D-cache data */
1293 case 0x10: /* I/D-cache flush page */
1294 case 0x11: /* I/D-cache flush segment */
1295 case 0x12: /* I/D-cache flush region */
1296 case 0x13: /* I/D-cache flush context */
1297 case 0x14: /* I/D-cache flush user */
1299 case 0x17: /* Block copy, sta access */
1305 uint32_t src = val & ~3, dst = addr & ~3, temp;
1307 for (i = 0; i < 32; i += 4, src += 4, dst += 4) {
1308 temp = ldl_kernel(src);
1309 stl_kernel(dst, temp);
1313 case 0x1f: /* Block fill, stda access */
1316 // fill 32 bytes with val
1318 uint32_t dst = addr & 7;
1320 for (i = 0; i < 32; i += 8, dst += 8)
1321 stq_kernel(dst, val);
1324 case 0x20: /* MMU passthrough */
1328 stb_phys(addr, val);
1331 stw_phys(addr, val);
1335 stl_phys(addr, val);
1338 stq_phys(addr, val);
1343 case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1347 stb_phys((target_phys_addr_t)addr
1348 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1351 stw_phys((target_phys_addr_t)addr
1352 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1356 stl_phys((target_phys_addr_t)addr
1357 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1360 stq_phys((target_phys_addr_t)addr
1361 | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1366 case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic
1367 case 0x31: // store buffer data, Ross RT620 I-cache flush or
1368 // Turbosparc snoop RAM
1369 case 0x32: // store buffer control or Turbosparc page table
1370 // descriptor diagnostic
1371 case 0x36: /* I-cache flash clear */
1372 case 0x37: /* D-cache flash clear */
1373 case 0x38: /* breakpoint diagnostics */
1374 case 0x4c: /* breakpoint action */
1376 case 8: /* User code access, XXX */
1377 case 9: /* Supervisor code access, XXX */
1379 do_unassigned_access(addr, 1, 0, asi);
1383 dump_asi("write", addr, asi, size, val);
1387 #endif /* CONFIG_USER_ONLY */
1388 #else /* TARGET_SPARC64 */
1390 #ifdef CONFIG_USER_ONLY
1391 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1394 #if defined(DEBUG_ASI)
1395 target_ulong last_addr = addr;
1399 raise_exception(TT_PRIV_ACT);
1401 helper_check_align(addr, size - 1);
1402 address_mask(env, &addr);
1405 case 0x82: // Primary no-fault
1406 case 0x8a: // Primary no-fault LE
1407 if (page_check_range(addr, size, PAGE_READ) == -1) {
1409 dump_asi("read ", last_addr, asi, size, ret);
1414 case 0x80: // Primary
1415 case 0x88: // Primary LE
1419 ret = ldub_raw(addr);
1422 ret = lduw_raw(addr);
1425 ret = ldl_raw(addr);
1429 ret = ldq_raw(addr);
1434 case 0x83: // Secondary no-fault
1435 case 0x8b: // Secondary no-fault LE
1436 if (page_check_range(addr, size, PAGE_READ) == -1) {
1438 dump_asi("read ", last_addr, asi, size, ret);
1443 case 0x81: // Secondary
1444 case 0x89: // Secondary LE
1451 /* Convert from little endian */
1453 case 0x88: // Primary LE
1454 case 0x89: // Secondary LE
1455 case 0x8a: // Primary no-fault LE
1456 case 0x8b: // Secondary no-fault LE
1474 /* Convert to signed number */
1481 ret = (int16_t) ret;
1484 ret = (int32_t) ret;
1491 dump_asi("read ", last_addr, asi, size, ret);
1496 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1499 dump_asi("write", addr, asi, size, val);
1502 raise_exception(TT_PRIV_ACT);
1504 helper_check_align(addr, size - 1);
1505 address_mask(env, &addr);
1507 /* Convert to little endian */
1509 case 0x88: // Primary LE
1510 case 0x89: // Secondary LE
1513 addr = bswap16(addr);
1516 addr = bswap32(addr);
1519 addr = bswap64(addr);
1529 case 0x80: // Primary
1530 case 0x88: // Primary LE
1549 case 0x81: // Secondary
1550 case 0x89: // Secondary LE
1554 case 0x82: // Primary no-fault, RO
1555 case 0x83: // Secondary no-fault, RO
1556 case 0x8a: // Primary no-fault LE, RO
1557 case 0x8b: // Secondary no-fault LE, RO
1559 do_unassigned_access(addr, 1, 0, 1);
1564 #else /* CONFIG_USER_ONLY */
1566 uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1569 #if defined(DEBUG_ASI)
1570 target_ulong last_addr = addr;
1573 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1574 || ((env->def->features & CPU_FEATURE_HYPV)
1575 && asi >= 0x30 && asi < 0x80
1576 && !(env->hpstate & HS_PRIV)))
1577 raise_exception(TT_PRIV_ACT);
1579 helper_check_align(addr, size - 1);
1581 case 0x82: // Primary no-fault
1582 case 0x8a: // Primary no-fault LE
1583 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
1585 dump_asi("read ", last_addr, asi, size, ret);
1590 case 0x10: // As if user primary
1591 case 0x18: // As if user primary LE
1592 case 0x80: // Primary
1593 case 0x88: // Primary LE
1594 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1595 if ((env->def->features & CPU_FEATURE_HYPV)
1596 && env->hpstate & HS_PRIV) {
1599 ret = ldub_hypv(addr);
1602 ret = lduw_hypv(addr);
1605 ret = ldl_hypv(addr);
1609 ret = ldq_hypv(addr);
1615 ret = ldub_kernel(addr);
1618 ret = lduw_kernel(addr);
1621 ret = ldl_kernel(addr);
1625 ret = ldq_kernel(addr);
1632 ret = ldub_user(addr);
1635 ret = lduw_user(addr);
1638 ret = ldl_user(addr);
1642 ret = ldq_user(addr);
1647 case 0x14: // Bypass
1648 case 0x15: // Bypass, non-cacheable
1649 case 0x1c: // Bypass LE
1650 case 0x1d: // Bypass, non-cacheable LE
1654 ret = ldub_phys(addr);
1657 ret = lduw_phys(addr);
1660 ret = ldl_phys(addr);
1664 ret = ldq_phys(addr);
1669 case 0x24: // Nucleus quad LDD 128 bit atomic
1670 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
1671 // Only ldda allowed
1672 raise_exception(TT_ILL_INSN);
1674 case 0x83: // Secondary no-fault
1675 case 0x8b: // Secondary no-fault LE
1676 if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
1678 dump_asi("read ", last_addr, asi, size, ret);
1683 case 0x04: // Nucleus
1684 case 0x0c: // Nucleus Little Endian (LE)
1685 case 0x11: // As if user secondary
1686 case 0x19: // As if user secondary LE
1687 case 0x4a: // UPA config
1688 case 0x81: // Secondary
1689 case 0x89: // Secondary LE
1695 case 0x50: // I-MMU regs
1697 int reg = (addr >> 3) & 0xf;
1699 ret = env->immuregs[reg];
1702 case 0x51: // I-MMU 8k TSB pointer
1703 case 0x52: // I-MMU 64k TSB pointer
1706 case 0x55: // I-MMU data access
1708 int reg = (addr >> 3) & 0x3f;
1710 ret = env->itlb_tte[reg];
1713 case 0x56: // I-MMU tag read
1715 int reg = (addr >> 3) & 0x3f;
1717 ret = env->itlb_tag[reg];
1720 case 0x58: // D-MMU regs
1722 int reg = (addr >> 3) & 0xf;
1724 ret = env->dmmuregs[reg];
1727 case 0x5d: // D-MMU data access
1729 int reg = (addr >> 3) & 0x3f;
1731 ret = env->dtlb_tte[reg];
1734 case 0x5e: // D-MMU tag read
1736 int reg = (addr >> 3) & 0x3f;
1738 ret = env->dtlb_tag[reg];
1741 case 0x46: // D-cache data
1742 case 0x47: // D-cache tag access
1743 case 0x4b: // E-cache error enable
1744 case 0x4c: // E-cache asynchronous fault status
1745 case 0x4d: // E-cache asynchronous fault address
1746 case 0x4e: // E-cache tag data
1747 case 0x66: // I-cache instruction access
1748 case 0x67: // I-cache tag access
1749 case 0x6e: // I-cache predecode
1750 case 0x6f: // I-cache LRU etc.
1751 case 0x76: // E-cache tag
1752 case 0x7e: // E-cache tag
1754 case 0x59: // D-MMU 8k TSB pointer
1755 case 0x5a: // D-MMU 64k TSB pointer
1756 case 0x5b: // D-MMU data pointer
1757 case 0x48: // Interrupt dispatch, RO
1758 case 0x49: // Interrupt data receive
1759 case 0x7f: // Incoming interrupt vector, RO
1762 case 0x54: // I-MMU data in, WO
1763 case 0x57: // I-MMU demap, WO
1764 case 0x5c: // D-MMU data in, WO
1765 case 0x5f: // D-MMU demap, WO
1766 case 0x77: // Interrupt vector, WO
1768 do_unassigned_access(addr, 0, 0, 1);
1773 /* Convert from little endian */
1775 case 0x0c: // Nucleus Little Endian (LE)
1776 case 0x18: // As if user primary LE
1777 case 0x19: // As if user secondary LE
1778 case 0x1c: // Bypass LE
1779 case 0x1d: // Bypass, non-cacheable LE
1780 case 0x88: // Primary LE
1781 case 0x89: // Secondary LE
1782 case 0x8a: // Primary no-fault LE
1783 case 0x8b: // Secondary no-fault LE
1801 /* Convert to signed number */
1808 ret = (int16_t) ret;
1811 ret = (int32_t) ret;
1818 dump_asi("read ", last_addr, asi, size, ret);
1823 void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1826 dump_asi("write", addr, asi, size, val);
1828 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1829 || ((env->def->features & CPU_FEATURE_HYPV)
1830 && asi >= 0x30 && asi < 0x80
1831 && !(env->hpstate & HS_PRIV)))
1832 raise_exception(TT_PRIV_ACT);
1834 helper_check_align(addr, size - 1);
1835 /* Convert to little endian */
1837 case 0x0c: // Nucleus Little Endian (LE)
1838 case 0x18: // As if user primary LE
1839 case 0x19: // As if user secondary LE
1840 case 0x1c: // Bypass LE
1841 case 0x1d: // Bypass, non-cacheable LE
1842 case 0x88: // Primary LE
1843 case 0x89: // Secondary LE
1846 addr = bswap16(addr);
1849 addr = bswap32(addr);
1852 addr = bswap64(addr);
1862 case 0x10: // As if user primary
1863 case 0x18: // As if user primary LE
1864 case 0x80: // Primary
1865 case 0x88: // Primary LE
1866 if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1867 if ((env->def->features & CPU_FEATURE_HYPV)
1868 && env->hpstate & HS_PRIV) {
1871 stb_hypv(addr, val);
1874 stw_hypv(addr, val);
1877 stl_hypv(addr, val);
1881 stq_hypv(addr, val);
1887 stb_kernel(addr, val);
1890 stw_kernel(addr, val);
1893 stl_kernel(addr, val);
1897 stq_kernel(addr, val);
1904 stb_user(addr, val);
1907 stw_user(addr, val);
1910 stl_user(addr, val);
1914 stq_user(addr, val);
1919 case 0x14: // Bypass
1920 case 0x15: // Bypass, non-cacheable
1921 case 0x1c: // Bypass LE
1922 case 0x1d: // Bypass, non-cacheable LE
1926 stb_phys(addr, val);
1929 stw_phys(addr, val);
1932 stl_phys(addr, val);
1936 stq_phys(addr, val);
1941 case 0x24: // Nucleus quad LDD 128 bit atomic
1942 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
1943 // Only ldda allowed
1944 raise_exception(TT_ILL_INSN);
1946 case 0x04: // Nucleus
1947 case 0x0c: // Nucleus Little Endian (LE)
1948 case 0x11: // As if user secondary
1949 case 0x19: // As if user secondary LE
1950 case 0x4a: // UPA config
1951 case 0x81: // Secondary
1952 case 0x89: // Secondary LE
1960 env->lsu = val & (DMMU_E | IMMU_E);
1961 // Mappings generated during D/I MMU disabled mode are
1962 // invalid in normal mode
1963 if (oldreg != env->lsu) {
1964 DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n",
1973 case 0x50: // I-MMU regs
1975 int reg = (addr >> 3) & 0xf;
1978 oldreg = env->immuregs[reg];
1983 case 1: // Not in I-MMU
1990 val = 0; // Clear SFSR
1992 case 5: // TSB access
1993 case 6: // Tag access
1997 env->immuregs[reg] = val;
1998 if (oldreg != env->immuregs[reg]) {
1999 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
2000 PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
2007 case 0x54: // I-MMU data in
2011 // Try finding an invalid entry
2012 for (i = 0; i < 64; i++) {
2013 if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) {
2014 env->itlb_tag[i] = env->immuregs[6];
2015 env->itlb_tte[i] = val;
2019 // Try finding an unlocked entry
2020 for (i = 0; i < 64; i++) {
2021 if ((env->itlb_tte[i] & 0x40) == 0) {
2022 env->itlb_tag[i] = env->immuregs[6];
2023 env->itlb_tte[i] = val;
2030 case 0x55: // I-MMU data access
2032 unsigned int i = (addr >> 3) & 0x3f;
2034 env->itlb_tag[i] = env->immuregs[6];
2035 env->itlb_tte[i] = val;
2038 case 0x57: // I-MMU demap
2041 case 0x58: // D-MMU regs
2043 int reg = (addr >> 3) & 0xf;
2046 oldreg = env->dmmuregs[reg];
2052 if ((val & 1) == 0) {
2053 val = 0; // Clear SFSR, Fault address
2054 env->dmmuregs[4] = 0;
2056 env->dmmuregs[reg] = val;
2058 case 1: // Primary context
2059 case 2: // Secondary context
2060 case 5: // TSB access
2061 case 6: // Tag access
2062 case 7: // Virtual Watchpoint
2063 case 8: // Physical Watchpoint
2067 env->dmmuregs[reg] = val;
2068 if (oldreg != env->dmmuregs[reg]) {
2069 DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
2070 PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
2077 case 0x5c: // D-MMU data in
2081 // Try finding an invalid entry
2082 for (i = 0; i < 64; i++) {
2083 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) {
2084 env->dtlb_tag[i] = env->dmmuregs[6];
2085 env->dtlb_tte[i] = val;
2089 // Try finding an unlocked entry
2090 for (i = 0; i < 64; i++) {
2091 if ((env->dtlb_tte[i] & 0x40) == 0) {
2092 env->dtlb_tag[i] = env->dmmuregs[6];
2093 env->dtlb_tte[i] = val;
2100 case 0x5d: // D-MMU data access
2102 unsigned int i = (addr >> 3) & 0x3f;
2104 env->dtlb_tag[i] = env->dmmuregs[6];
2105 env->dtlb_tte[i] = val;
2108 case 0x5f: // D-MMU demap
2109 case 0x49: // Interrupt data receive
2112 case 0x46: // D-cache data
2113 case 0x47: // D-cache tag access
2114 case 0x4b: // E-cache error enable
2115 case 0x4c: // E-cache asynchronous fault status
2116 case 0x4d: // E-cache asynchronous fault address
2117 case 0x4e: // E-cache tag data
2118 case 0x66: // I-cache instruction access
2119 case 0x67: // I-cache tag access
2120 case 0x6e: // I-cache predecode
2121 case 0x6f: // I-cache LRU etc.
2122 case 0x76: // E-cache tag
2123 case 0x7e: // E-cache tag
2125 case 0x51: // I-MMU 8k TSB pointer, RO
2126 case 0x52: // I-MMU 64k TSB pointer, RO
2127 case 0x56: // I-MMU tag read, RO
2128 case 0x59: // D-MMU 8k TSB pointer, RO
2129 case 0x5a: // D-MMU 64k TSB pointer, RO
2130 case 0x5b: // D-MMU data pointer, RO
2131 case 0x5e: // D-MMU tag read, RO
2132 case 0x48: // Interrupt dispatch, RO
2133 case 0x7f: // Incoming interrupt vector, RO
2134 case 0x82: // Primary no-fault, RO
2135 case 0x83: // Secondary no-fault, RO
2136 case 0x8a: // Primary no-fault LE, RO
2137 case 0x8b: // Secondary no-fault LE, RO
2139 do_unassigned_access(addr, 1, 0, 1);
2143 #endif /* CONFIG_USER_ONLY */
2145 void helper_ldda_asi(target_ulong addr, int asi, int rd)
2147 if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2148 || ((env->def->features & CPU_FEATURE_HYPV)
2149 && asi >= 0x30 && asi < 0x80
2150 && !(env->hpstate & HS_PRIV)))
2151 raise_exception(TT_PRIV_ACT);
2154 case 0x24: // Nucleus quad LDD 128 bit atomic
2155 case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2156 helper_check_align(addr, 0xf);
2158 env->gregs[1] = ldq_kernel(addr + 8);
2160 bswap64s(&env->gregs[1]);
2161 } else if (rd < 8) {
2162 env->gregs[rd] = ldq_kernel(addr);
2163 env->gregs[rd + 1] = ldq_kernel(addr + 8);
2165 bswap64s(&env->gregs[rd]);
2166 bswap64s(&env->gregs[rd + 1]);
2169 env->regwptr[rd] = ldq_kernel(addr);
2170 env->regwptr[rd + 1] = ldq_kernel(addr + 8);
2172 bswap64s(&env->regwptr[rd]);
2173 bswap64s(&env->regwptr[rd + 1]);
2178 helper_check_align(addr, 0x3);
2180 env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0);
2182 env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0);
2183 env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2185 env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0);
2186 env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2192 void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
2197 helper_check_align(addr, 3);
2199 case 0xf0: // Block load primary
2200 case 0xf1: // Block load secondary
2201 case 0xf8: // Block load primary LE
2202 case 0xf9: // Block load secondary LE
2204 raise_exception(TT_ILL_INSN);
2207 helper_check_align(addr, 0x3f);
2208 for (i = 0; i < 16; i++) {
2209 *(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4,
2219 val = helper_ld_asi(addr, asi, size, 0);
2223 *((uint32_t *)&FT0) = val;
2226 *((int64_t *)&DT0) = val;
2234 void helper_stf_asi(target_ulong addr, int asi, int size, int rd)
2237 target_ulong val = 0;
2239 helper_check_align(addr, 3);
2241 case 0xf0: // Block store primary
2242 case 0xf1: // Block store secondary
2243 case 0xf8: // Block store primary LE
2244 case 0xf9: // Block store secondary LE
2246 raise_exception(TT_ILL_INSN);
2249 helper_check_align(addr, 0x3f);
2250 for (i = 0; i < 16; i++) {
2251 val = *(uint32_t *)&env->fpr[rd++];
2252 helper_st_asi(addr, val, asi & 0x8f, 4);
2264 val = *((uint32_t *)&FT0);
2267 val = *((int64_t *)&DT0);
2273 helper_st_asi(addr, val, asi, size);
2276 target_ulong helper_cas_asi(target_ulong addr, target_ulong val1,
2277 target_ulong val2, uint32_t asi)
2281 val1 &= 0xffffffffUL;
2282 ret = helper_ld_asi(addr, asi, 4, 0);
2283 ret &= 0xffffffffUL;
2285 helper_st_asi(addr, val2 & 0xffffffffUL, asi, 4);
2289 target_ulong helper_casx_asi(target_ulong addr, target_ulong val1,
2290 target_ulong val2, uint32_t asi)
2294 ret = helper_ld_asi(addr, asi, 8, 0);
2296 helper_st_asi(addr, val2, asi, 8);
2299 #endif /* TARGET_SPARC64 */
2301 #ifndef TARGET_SPARC64
2302 void helper_rett(void)
2306 if (env->psret == 1)
2307 raise_exception(TT_ILL_INSN);
2310 cwp = cpu_cwp_inc(env, env->cwp + 1) ;
2311 if (env->wim & (1 << cwp)) {
2312 raise_exception(TT_WIN_UNF);
2315 env->psrs = env->psrps;
2319 target_ulong helper_udiv(target_ulong a, target_ulong b)
2324 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2328 raise_exception(TT_DIV_ZERO);
2332 if (x0 > 0xffffffff) {
2341 target_ulong helper_sdiv(target_ulong a, target_ulong b)
2346 x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2350 raise_exception(TT_DIV_ZERO);
2354 if ((int32_t) x0 != x0) {
2356 return x0 < 0? 0x80000000: 0x7fffffff;
2363 uint64_t helper_pack64(target_ulong high, target_ulong low)
2365 return ((uint64_t)high << 32) | (uint64_t)(low & 0xffffffff);
2368 void helper_stdf(target_ulong addr, int mem_idx)
2370 helper_check_align(addr, 7);
2371 #if !defined(CONFIG_USER_ONLY)
2374 stfq_user(addr, DT0);
2377 stfq_kernel(addr, DT0);
2379 #ifdef TARGET_SPARC64
2381 stfq_hypv(addr, DT0);
2388 address_mask(env, &addr);
2389 stfq_raw(addr, DT0);
2393 void helper_lddf(target_ulong addr, int mem_idx)
2395 helper_check_align(addr, 7);
2396 #if !defined(CONFIG_USER_ONLY)
2399 DT0 = ldfq_user(addr);
2402 DT0 = ldfq_kernel(addr);
2404 #ifdef TARGET_SPARC64
2406 DT0 = ldfq_hypv(addr);
2413 address_mask(env, &addr);
2414 DT0 = ldfq_raw(addr);
2418 void helper_ldqf(target_ulong addr, int mem_idx)
2420 // XXX add 128 bit load
2423 helper_check_align(addr, 7);
2424 #if !defined(CONFIG_USER_ONLY)
2427 u.ll.upper = ldq_user(addr);
2428 u.ll.lower = ldq_user(addr + 8);
2432 u.ll.upper = ldq_kernel(addr);
2433 u.ll.lower = ldq_kernel(addr + 8);
2436 #ifdef TARGET_SPARC64
2438 u.ll.upper = ldq_hypv(addr);
2439 u.ll.lower = ldq_hypv(addr + 8);
2447 address_mask(env, &addr);
2448 u.ll.upper = ldq_raw(addr);
2449 u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL);
2454 void helper_stqf(target_ulong addr, int mem_idx)
2456 // XXX add 128 bit store
2459 helper_check_align(addr, 7);
2460 #if !defined(CONFIG_USER_ONLY)
2464 stq_user(addr, u.ll.upper);
2465 stq_user(addr + 8, u.ll.lower);
2469 stq_kernel(addr, u.ll.upper);
2470 stq_kernel(addr + 8, u.ll.lower);
2472 #ifdef TARGET_SPARC64
2475 stq_hypv(addr, u.ll.upper);
2476 stq_hypv(addr + 8, u.ll.lower);
2484 address_mask(env, &addr);
2485 stq_raw(addr, u.ll.upper);
2486 stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower);
2490 static inline void set_fsr(void)
2494 switch (env->fsr & FSR_RD_MASK) {
2495 case FSR_RD_NEAREST:
2496 rnd_mode = float_round_nearest_even;
2500 rnd_mode = float_round_to_zero;
2503 rnd_mode = float_round_up;
2506 rnd_mode = float_round_down;
2509 set_float_rounding_mode(rnd_mode, &env->fp_status);
2512 void helper_ldfsr(uint32_t new_fsr)
2514 env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK);
2518 #ifdef TARGET_SPARC64
2519 void helper_ldxfsr(uint64_t new_fsr)
2521 env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK);
2526 void helper_debug(void)
2528 env->exception_index = EXCP_DEBUG;
2532 #ifndef TARGET_SPARC64
2533 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2535 void helper_save(void)
2539 cwp = cpu_cwp_dec(env, env->cwp - 1);
2540 if (env->wim & (1 << cwp)) {
2541 raise_exception(TT_WIN_OVF);
2546 void helper_restore(void)
2550 cwp = cpu_cwp_inc(env, env->cwp + 1);
2551 if (env->wim & (1 << cwp)) {
2552 raise_exception(TT_WIN_UNF);
2557 void helper_wrpsr(target_ulong new_psr)
2559 if ((new_psr & PSR_CWP) >= env->nwindows)
2560 raise_exception(TT_ILL_INSN);
2562 PUT_PSR(env, new_psr);
2565 target_ulong helper_rdpsr(void)
2567 return GET_PSR(env);
2571 /* XXX: use another pointer for %iN registers to avoid slow wrapping
2573 void helper_save(void)
2577 cwp = cpu_cwp_dec(env, env->cwp - 1);
2578 if (env->cansave == 0) {
2579 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2580 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2581 ((env->wstate & 0x7) << 2)));
2583 if (env->cleanwin - env->canrestore == 0) {
2584 // XXX Clean windows without trap
2585 raise_exception(TT_CLRWIN);
2594 void helper_restore(void)
2598 cwp = cpu_cwp_inc(env, env->cwp + 1);
2599 if (env->canrestore == 0) {
2600 raise_exception(TT_FILL | (env->otherwin != 0 ?
2601 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2602 ((env->wstate & 0x7) << 2)));
2610 void helper_flushw(void)
2612 if (env->cansave != env->nwindows - 2) {
2613 raise_exception(TT_SPILL | (env->otherwin != 0 ?
2614 (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2615 ((env->wstate & 0x7) << 2)));
2619 void helper_saved(void)
2622 if (env->otherwin == 0)
2628 void helper_restored(void)
2631 if (env->cleanwin < env->nwindows - 1)
2633 if (env->otherwin == 0)
2639 target_ulong helper_rdccr(void)
2641 return GET_CCR(env);
2644 void helper_wrccr(target_ulong new_ccr)
2646 PUT_CCR(env, new_ccr);
2649 // CWP handling is reversed in V9, but we still use the V8 register
2651 target_ulong helper_rdcwp(void)
2653 return GET_CWP64(env);
2656 void helper_wrcwp(target_ulong new_cwp)
2658 PUT_CWP64(env, new_cwp);
2661 // This function uses non-native bit order
2662 #define GET_FIELD(X, FROM, TO) \
2663 ((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
2665 // This function uses the order in the manuals, i.e. bit 0 is 2^0
2666 #define GET_FIELD_SP(X, FROM, TO) \
2667 GET_FIELD(X, 63 - (TO), 63 - (FROM))
2669 target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
2671 return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
2672 (GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
2673 (GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
2674 (GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
2675 (GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
2676 (GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
2677 (((pixel_addr >> 55) & 1) << 4) |
2678 (GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
2679 GET_FIELD_SP(pixel_addr, 11, 12);
2682 target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
2686 tmp = addr + offset;
2688 env->gsr |= tmp & 7ULL;
2692 target_ulong helper_popc(target_ulong val)
2694 return ctpop64(val);
2697 static inline uint64_t *get_gregset(uint64_t pstate)
2712 static inline void change_pstate(uint64_t new_pstate)
2714 uint64_t pstate_regs, new_pstate_regs;
2715 uint64_t *src, *dst;
2717 pstate_regs = env->pstate & 0xc01;
2718 new_pstate_regs = new_pstate & 0xc01;
2719 if (new_pstate_regs != pstate_regs) {
2720 // Switch global register bank
2721 src = get_gregset(new_pstate_regs);
2722 dst = get_gregset(pstate_regs);
2723 memcpy32(dst, env->gregs);
2724 memcpy32(env->gregs, src);
2726 env->pstate = new_pstate;
2729 void helper_wrpstate(target_ulong new_state)
2731 if (!(env->def->features & CPU_FEATURE_GL))
2732 change_pstate(new_state & 0xf3f);
2735 void helper_done(void)
2737 env->pc = env->tsptr->tpc;
2738 env->npc = env->tsptr->tnpc + 4;
2739 PUT_CCR(env, env->tsptr->tstate >> 32);
2740 env->asi = (env->tsptr->tstate >> 24) & 0xff;
2741 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2742 PUT_CWP64(env, env->tsptr->tstate & 0xff);
2744 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2747 void helper_retry(void)
2749 env->pc = env->tsptr->tpc;
2750 env->npc = env->tsptr->tnpc;
2751 PUT_CCR(env, env->tsptr->tstate >> 32);
2752 env->asi = (env->tsptr->tstate >> 24) & 0xff;
2753 change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2754 PUT_CWP64(env, env->tsptr->tstate & 0xff);
2756 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2760 void helper_flush(target_ulong addr)
2763 tb_invalidate_page_range(addr, addr + 8);
2766 #ifdef TARGET_SPARC64
2768 static const char * const excp_names[0x80] = {
2769 [TT_TFAULT] = "Instruction Access Fault",
2770 [TT_TMISS] = "Instruction Access MMU Miss",
2771 [TT_CODE_ACCESS] = "Instruction Access Error",
2772 [TT_ILL_INSN] = "Illegal Instruction",
2773 [TT_PRIV_INSN] = "Privileged Instruction",
2774 [TT_NFPU_INSN] = "FPU Disabled",
2775 [TT_FP_EXCP] = "FPU Exception",
2776 [TT_TOVF] = "Tag Overflow",
2777 [TT_CLRWIN] = "Clean Windows",
2778 [TT_DIV_ZERO] = "Division By Zero",
2779 [TT_DFAULT] = "Data Access Fault",
2780 [TT_DMISS] = "Data Access MMU Miss",
2781 [TT_DATA_ACCESS] = "Data Access Error",
2782 [TT_DPROT] = "Data Protection Error",
2783 [TT_UNALIGNED] = "Unaligned Memory Access",
2784 [TT_PRIV_ACT] = "Privileged Action",
2785 [TT_EXTINT | 0x1] = "External Interrupt 1",
2786 [TT_EXTINT | 0x2] = "External Interrupt 2",
2787 [TT_EXTINT | 0x3] = "External Interrupt 3",
2788 [TT_EXTINT | 0x4] = "External Interrupt 4",
2789 [TT_EXTINT | 0x5] = "External Interrupt 5",
2790 [TT_EXTINT | 0x6] = "External Interrupt 6",
2791 [TT_EXTINT | 0x7] = "External Interrupt 7",
2792 [TT_EXTINT | 0x8] = "External Interrupt 8",
2793 [TT_EXTINT | 0x9] = "External Interrupt 9",
2794 [TT_EXTINT | 0xa] = "External Interrupt 10",
2795 [TT_EXTINT | 0xb] = "External Interrupt 11",
2796 [TT_EXTINT | 0xc] = "External Interrupt 12",
2797 [TT_EXTINT | 0xd] = "External Interrupt 13",
2798 [TT_EXTINT | 0xe] = "External Interrupt 14",
2799 [TT_EXTINT | 0xf] = "External Interrupt 15",
2803 void do_interrupt(CPUState *env)
2805 int intno = env->exception_index;
2808 if (loglevel & CPU_LOG_INT) {
2812 if (intno < 0 || intno >= 0x180)
2814 else if (intno >= 0x100)
2815 name = "Trap Instruction";
2816 else if (intno >= 0xc0)
2817 name = "Window Fill";
2818 else if (intno >= 0x80)
2819 name = "Window Spill";
2821 name = excp_names[intno];
2826 fprintf(logfile, "%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
2827 " SP=%016" PRIx64 "\n",
2830 env->npc, env->regwptr[6]);
2831 cpu_dump_state(env, logfile, fprintf, 0);
2837 fprintf(logfile, " code=");
2838 ptr = (uint8_t *)env->pc;
2839 for(i = 0; i < 16; i++) {
2840 fprintf(logfile, " %02x", ldub(ptr + i));
2842 fprintf(logfile, "\n");
2848 #if !defined(CONFIG_USER_ONLY)
2849 if (env->tl >= env->maxtl) {
2850 cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
2851 " Error state", env->exception_index, env->tl, env->maxtl);
2855 if (env->tl < env->maxtl - 1) {
2858 env->pstate |= PS_RED;
2859 if (env->tl < env->maxtl)
2862 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2863 env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
2864 ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
2866 env->tsptr->tpc = env->pc;
2867 env->tsptr->tnpc = env->npc;
2868 env->tsptr->tt = intno;
2869 if (!(env->def->features & CPU_FEATURE_GL)) {
2872 change_pstate(PS_PEF | PS_PRIV | PS_IG);
2879 change_pstate(PS_PEF | PS_PRIV | PS_MG);
2882 change_pstate(PS_PEF | PS_PRIV | PS_AG);
2886 if (intno == TT_CLRWIN)
2887 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
2888 else if ((intno & 0x1c0) == TT_SPILL)
2889 cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
2890 else if ((intno & 0x1c0) == TT_FILL)
2891 cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
2892 env->tbr &= ~0x7fffULL;
2893 env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
2895 env->npc = env->pc + 4;
2896 env->exception_index = 0;
2900 static const char * const excp_names[0x80] = {
2901 [TT_TFAULT] = "Instruction Access Fault",
2902 [TT_ILL_INSN] = "Illegal Instruction",
2903 [TT_PRIV_INSN] = "Privileged Instruction",
2904 [TT_NFPU_INSN] = "FPU Disabled",
2905 [TT_WIN_OVF] = "Window Overflow",
2906 [TT_WIN_UNF] = "Window Underflow",
2907 [TT_UNALIGNED] = "Unaligned Memory Access",
2908 [TT_FP_EXCP] = "FPU Exception",
2909 [TT_DFAULT] = "Data Access Fault",
2910 [TT_TOVF] = "Tag Overflow",
2911 [TT_EXTINT | 0x1] = "External Interrupt 1",
2912 [TT_EXTINT | 0x2] = "External Interrupt 2",
2913 [TT_EXTINT | 0x3] = "External Interrupt 3",
2914 [TT_EXTINT | 0x4] = "External Interrupt 4",
2915 [TT_EXTINT | 0x5] = "External Interrupt 5",
2916 [TT_EXTINT | 0x6] = "External Interrupt 6",
2917 [TT_EXTINT | 0x7] = "External Interrupt 7",
2918 [TT_EXTINT | 0x8] = "External Interrupt 8",
2919 [TT_EXTINT | 0x9] = "External Interrupt 9",
2920 [TT_EXTINT | 0xa] = "External Interrupt 10",
2921 [TT_EXTINT | 0xb] = "External Interrupt 11",
2922 [TT_EXTINT | 0xc] = "External Interrupt 12",
2923 [TT_EXTINT | 0xd] = "External Interrupt 13",
2924 [TT_EXTINT | 0xe] = "External Interrupt 14",
2925 [TT_EXTINT | 0xf] = "External Interrupt 15",
2926 [TT_TOVF] = "Tag Overflow",
2927 [TT_CODE_ACCESS] = "Instruction Access Error",
2928 [TT_DATA_ACCESS] = "Data Access Error",
2929 [TT_DIV_ZERO] = "Division By Zero",
2930 [TT_NCP_INSN] = "Coprocessor Disabled",
2934 void do_interrupt(CPUState *env)
2936 int cwp, intno = env->exception_index;
2939 if (loglevel & CPU_LOG_INT) {
2943 if (intno < 0 || intno >= 0x100)
2945 else if (intno >= 0x80)
2946 name = "Trap Instruction";
2948 name = excp_names[intno];
2953 fprintf(logfile, "%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
2956 env->npc, env->regwptr[6]);
2957 cpu_dump_state(env, logfile, fprintf, 0);
2963 fprintf(logfile, " code=");
2964 ptr = (uint8_t *)env->pc;
2965 for(i = 0; i < 16; i++) {
2966 fprintf(logfile, " %02x", ldub(ptr + i));
2968 fprintf(logfile, "\n");
2974 #if !defined(CONFIG_USER_ONLY)
2975 if (env->psret == 0) {
2976 cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
2977 env->exception_index);
2982 cwp = cpu_cwp_dec(env, env->cwp - 1);
2983 cpu_set_cwp(env, cwp);
2984 env->regwptr[9] = env->pc;
2985 env->regwptr[10] = env->npc;
2986 env->psrps = env->psrs;
2988 env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
2990 env->npc = env->pc + 4;
2991 env->exception_index = 0;
2995 #if !defined(CONFIG_USER_ONLY)
2997 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
3000 #define MMUSUFFIX _mmu
3001 #define ALIGNED_ONLY
3004 #include "softmmu_template.h"
3007 #include "softmmu_template.h"
3010 #include "softmmu_template.h"
3013 #include "softmmu_template.h"
3015 /* XXX: make it generic ? */
3016 static void cpu_restore_state2(void *retaddr)
3018 TranslationBlock *tb;
3022 /* now we have a real cpu fault */
3023 pc = (unsigned long)retaddr;
3024 tb = tb_find_pc(pc);
3026 /* the PC is inside the translated code. It means that we have
3027 a virtual CPU fault */
3028 cpu_restore_state(tb, env, pc, (void *)(long)env->cond);
3033 static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
3036 #ifdef DEBUG_UNALIGNED
3037 printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
3038 "\n", addr, env->pc);
3040 cpu_restore_state2(retaddr);
3041 raise_exception(TT_UNALIGNED);
3044 /* try to fill the TLB and return an exception if error. If retaddr is
3045 NULL, it means that the function was called in C code (i.e. not
3046 from generated code or from helper.c) */
3047 /* XXX: fix it to restore all registers */
3048 void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
3051 CPUState *saved_env;
3053 /* XXX: hack to restore env in all cases, even if not called from
3056 env = cpu_single_env;
3058 ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
3060 cpu_restore_state2(retaddr);
3068 #ifndef TARGET_SPARC64
3069 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3072 CPUState *saved_env;
3074 /* XXX: hack to restore env in all cases, even if not called from
3077 env = cpu_single_env;
3078 #ifdef DEBUG_UNASSIGNED
3080 printf("Unassigned mem %s access to " TARGET_FMT_plx
3081 " asi 0x%02x from " TARGET_FMT_lx "\n",
3082 is_exec ? "exec" : is_write ? "write" : "read", addr, is_asi,
3085 printf("Unassigned mem %s access to " TARGET_FMT_plx " from "
3087 is_exec ? "exec" : is_write ? "write" : "read", addr, env->pc);
3089 if (env->mmuregs[3]) /* Fault status register */
3090 env->mmuregs[3] = 1; /* overflow (not read before another fault) */
3092 env->mmuregs[3] |= 1 << 16;
3094 env->mmuregs[3] |= 1 << 5;
3096 env->mmuregs[3] |= 1 << 6;
3098 env->mmuregs[3] |= 1 << 7;
3099 env->mmuregs[3] |= (5 << 2) | 2;
3100 env->mmuregs[4] = addr; /* Fault address register */
3101 if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) {
3103 raise_exception(TT_CODE_ACCESS);
3105 raise_exception(TT_DATA_ACCESS);
3110 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3113 #ifdef DEBUG_UNASSIGNED
3114 CPUState *saved_env;
3116 /* XXX: hack to restore env in all cases, even if not called from
3119 env = cpu_single_env;
3120 printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx
3121 "\n", addr, env->pc);
3125 raise_exception(TT_CODE_ACCESS);
3127 raise_exception(TT_DATA_ACCESS);