root / target-sparc / op_helper.c @ 06057e6f
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#include "exec.h" |
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#include "host-utils.h" |
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#include "helper.h" |
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#if !defined(CONFIG_USER_ONLY)
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#include "softmmu_exec.h" |
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#endif /* !defined(CONFIG_USER_ONLY) */ |
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|
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//#define DEBUG_MMU
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//#define DEBUG_MXCC
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//#define DEBUG_UNALIGNED
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//#define DEBUG_UNASSIGNED
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//#define DEBUG_ASI
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|
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#ifdef DEBUG_MMU
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#define DPRINTF_MMU(fmt, args...) \
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do { printf("MMU: " fmt , ##args); } while (0) |
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#else
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#define DPRINTF_MMU(fmt, args...) do {} while (0) |
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#endif
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|
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#ifdef DEBUG_MXCC
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#define DPRINTF_MXCC(fmt, args...) \
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do { printf("MXCC: " fmt , ##args); } while (0) |
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#else
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#define DPRINTF_MXCC(fmt, args...) do {} while (0) |
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#endif
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|
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#ifdef DEBUG_ASI
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#define DPRINTF_ASI(fmt, args...) \
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do { printf("ASI: " fmt , ##args); } while (0) |
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#else
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#define DPRINTF_ASI(fmt, args...) do {} while (0) |
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#endif
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#ifdef TARGET_SPARC64
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#ifndef TARGET_ABI32
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#define AM_CHECK(env1) ((env1)->pstate & PS_AM)
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#else
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#define AM_CHECK(env1) (1) |
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#endif
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#endif
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|
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static inline void address_mask(CPUState *env1, target_ulong *addr) |
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{
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#ifdef TARGET_SPARC64
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if (AM_CHECK(env1))
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*addr &= 0xffffffffULL;
|
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#endif
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} |
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|
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void raise_exception(int tt) |
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{
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env->exception_index = tt; |
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cpu_loop_exit(); |
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} |
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|
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void helper_trap(target_ulong nb_trap)
|
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{
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env->exception_index = TT_TRAP + (nb_trap & 0x7f);
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cpu_loop_exit(); |
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} |
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|
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void helper_trapcc(target_ulong nb_trap, target_ulong do_trap)
|
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{
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if (do_trap) {
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env->exception_index = TT_TRAP + (nb_trap & 0x7f);
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cpu_loop_exit(); |
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} |
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} |
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|
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void helper_check_align(target_ulong addr, uint32_t align)
|
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{
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if (addr & align) {
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#ifdef DEBUG_UNALIGNED
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printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx |
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"\n", addr, env->pc);
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#endif
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raise_exception(TT_UNALIGNED); |
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} |
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} |
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|
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#define F_HELPER(name, p) void helper_f##name##p(void) |
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|
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#define F_BINOP(name) \
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F_HELPER(name, s) \ |
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{ \
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FT0 = float32_ ## name (FT0, FT1, &env->fp_status); \ |
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} \ |
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F_HELPER(name, d) \ |
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{ \
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DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \ |
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} \ |
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F_HELPER(name, q) \ |
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{ \
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QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \ |
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} |
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F_BINOP(add); |
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F_BINOP(sub); |
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F_BINOP(mul); |
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F_BINOP(div); |
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#undef F_BINOP
|
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|
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void helper_fsmuld(void) |
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{
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DT0 = float64_mul(float32_to_float64(FT0, &env->fp_status), |
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float32_to_float64(FT1, &env->fp_status), |
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&env->fp_status); |
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} |
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|
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void helper_fdmulq(void) |
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{
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QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status), |
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float64_to_float128(DT1, &env->fp_status), |
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&env->fp_status); |
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} |
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|
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F_HELPER(neg, s) |
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{
|
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FT0 = float32_chs(FT1); |
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} |
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#ifdef TARGET_SPARC64
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F_HELPER(neg, d) |
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{
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DT0 = float64_chs(DT1); |
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} |
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F_HELPER(neg, q) |
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{
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QT0 = float128_chs(QT1); |
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} |
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#endif
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|
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/* Integer to float conversion. */
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F_HELPER(ito, s) |
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{
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FT0 = int32_to_float32(*((int32_t *)&FT1), &env->fp_status); |
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} |
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F_HELPER(ito, d) |
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{
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DT0 = int32_to_float64(*((int32_t *)&FT1), &env->fp_status); |
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} |
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|
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F_HELPER(ito, q) |
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{
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QT0 = int32_to_float128(*((int32_t *)&FT1), &env->fp_status); |
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} |
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#ifdef TARGET_SPARC64
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F_HELPER(xto, s) |
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{
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FT0 = int64_to_float32(*((int64_t *)&DT1), &env->fp_status); |
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} |
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F_HELPER(xto, d) |
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{
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DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status); |
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} |
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F_HELPER(xto, q) |
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{
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QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status); |
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} |
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#endif
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#undef F_HELPER
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|
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/* floating point conversion */
|
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void helper_fdtos(void) |
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{
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FT0 = float64_to_float32(DT1, &env->fp_status); |
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} |
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|
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void helper_fstod(void) |
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{
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DT0 = float32_to_float64(FT1, &env->fp_status); |
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} |
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|
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void helper_fqtos(void) |
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{
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FT0 = float128_to_float32(QT1, &env->fp_status); |
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} |
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|
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void helper_fstoq(void) |
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{
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QT0 = float32_to_float128(FT1, &env->fp_status); |
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} |
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void helper_fqtod(void) |
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{
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DT0 = float128_to_float64(QT1, &env->fp_status); |
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} |
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|
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void helper_fdtoq(void) |
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{
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QT0 = float64_to_float128(DT1, &env->fp_status); |
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} |
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|
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/* Float to integer conversion. */
|
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void helper_fstoi(void) |
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{
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*((int32_t *)&FT0) = float32_to_int32_round_to_zero(FT1, &env->fp_status); |
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} |
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|
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void helper_fdtoi(void) |
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{
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*((int32_t *)&FT0) = float64_to_int32_round_to_zero(DT1, &env->fp_status); |
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} |
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void helper_fqtoi(void) |
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{
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*((int32_t *)&FT0) = float128_to_int32_round_to_zero(QT1, &env->fp_status); |
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} |
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|
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#ifdef TARGET_SPARC64
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void helper_fstox(void) |
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{
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*((int64_t *)&DT0) = float32_to_int64_round_to_zero(FT1, &env->fp_status); |
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} |
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|
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void helper_fdtox(void) |
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{
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*((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status); |
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} |
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|
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void helper_fqtox(void) |
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{
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*((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status); |
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} |
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|
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void helper_faligndata(void) |
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{
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uint64_t tmp; |
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|
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tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8); |
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/* on many architectures a shift of 64 does nothing */
|
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if ((env->gsr & 7) != 0) { |
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tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8); |
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} |
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*((uint64_t *)&DT0) = tmp; |
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} |
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|
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void helper_movl_FT0_0(void) |
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{
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*((uint32_t *)&FT0) = 0;
|
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} |
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|
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void helper_movl_DT0_0(void) |
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{
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*((uint64_t *)&DT0) = 0;
|
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} |
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|
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void helper_movl_FT0_1(void) |
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{
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*((uint32_t *)&FT0) = 0xffffffff;
|
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} |
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|
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void helper_movl_DT0_1(void) |
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{
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*((uint64_t *)&DT0) = 0xffffffffffffffffULL;
|
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} |
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|
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void helper_fnot(void) |
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{
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*(uint64_t *)&DT0 = ~*(uint64_t *)&DT1; |
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} |
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|
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void helper_fnots(void) |
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{
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*(uint32_t *)&FT0 = ~*(uint32_t *)&FT1; |
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} |
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|
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void helper_fnor(void) |
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{
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*(uint64_t *)&DT0 = ~(*(uint64_t *)&DT0 | *(uint64_t *)&DT1); |
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} |
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|
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void helper_fnors(void) |
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{
|
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*(uint32_t *)&FT0 = ~(*(uint32_t *)&FT0 | *(uint32_t *)&FT1); |
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} |
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|
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void helper_for(void) |
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{
|
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*(uint64_t *)&DT0 |= *(uint64_t *)&DT1; |
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} |
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|
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void helper_fors(void) |
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{
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*(uint32_t *)&FT0 |= *(uint32_t *)&FT1; |
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} |
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|
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void helper_fxor(void) |
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{
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*(uint64_t *)&DT0 ^= *(uint64_t *)&DT1; |
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} |
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|
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void helper_fxors(void) |
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{
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*(uint32_t *)&FT0 ^= *(uint32_t *)&FT1; |
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} |
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|
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void helper_fand(void) |
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{
|
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*(uint64_t *)&DT0 &= *(uint64_t *)&DT1; |
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} |
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|
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void helper_fands(void) |
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{
|
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*(uint32_t *)&FT0 &= *(uint32_t *)&FT1; |
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} |
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|
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void helper_fornot(void) |
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{
|
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*(uint64_t *)&DT0 = *(uint64_t *)&DT0 | ~*(uint64_t *)&DT1; |
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} |
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|
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void helper_fornots(void) |
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{
|
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*(uint32_t *)&FT0 = *(uint32_t *)&FT0 | ~*(uint32_t *)&FT1; |
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} |
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|
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void helper_fandnot(void) |
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{
|
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*(uint64_t *)&DT0 = *(uint64_t *)&DT0 & ~*(uint64_t *)&DT1; |
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} |
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|
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void helper_fandnots(void) |
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{
|
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*(uint32_t *)&FT0 = *(uint32_t *)&FT0 & ~*(uint32_t *)&FT1; |
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} |
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|
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void helper_fnand(void) |
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{
|
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*(uint64_t *)&DT0 = ~(*(uint64_t *)&DT0 & *(uint64_t *)&DT1); |
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} |
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|
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void helper_fnands(void) |
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{
|
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*(uint32_t *)&FT0 = ~(*(uint32_t *)&FT0 & *(uint32_t *)&FT1); |
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} |
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|
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void helper_fxnor(void) |
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{
|
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*(uint64_t *)&DT0 ^= ~*(uint64_t *)&DT1; |
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} |
| 348 |
|
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void helper_fxnors(void) |
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{
|
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*(uint32_t *)&FT0 ^= ~*(uint32_t *)&FT1; |
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} |
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|
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#ifdef WORDS_BIGENDIAN
|
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#define VIS_B64(n) b[7 - (n)] |
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#define VIS_W64(n) w[3 - (n)] |
| 357 |
#define VIS_SW64(n) sw[3 - (n)] |
| 358 |
#define VIS_L64(n) l[1 - (n)] |
| 359 |
#define VIS_B32(n) b[3 - (n)] |
| 360 |
#define VIS_W32(n) w[1 - (n)] |
| 361 |
#else
|
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#define VIS_B64(n) b[n]
|
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#define VIS_W64(n) w[n]
|
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#define VIS_SW64(n) sw[n]
|
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#define VIS_L64(n) l[n]
|
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#define VIS_B32(n) b[n]
|
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#define VIS_W32(n) w[n]
|
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#endif
|
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|
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typedef union { |
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uint8_t b[8];
|
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uint16_t w[4];
|
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int16_t sw[4];
|
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uint32_t l[2];
|
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float64 d; |
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} vis64; |
| 377 |
|
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typedef union { |
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uint8_t b[4];
|
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uint16_t w[2];
|
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uint32_t l; |
| 382 |
float32 f; |
| 383 |
} vis32; |
| 384 |
|
| 385 |
void helper_fpmerge(void) |
| 386 |
{
|
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vis64 s, d; |
| 388 |
|
| 389 |
s.d = DT0; |
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d.d = DT1; |
| 391 |
|
| 392 |
// Reverse calculation order to handle overlap
|
| 393 |
d.VIS_B64(7) = s.VIS_B64(3); |
| 394 |
d.VIS_B64(6) = d.VIS_B64(3); |
| 395 |
d.VIS_B64(5) = s.VIS_B64(2); |
| 396 |
d.VIS_B64(4) = d.VIS_B64(2); |
| 397 |
d.VIS_B64(3) = s.VIS_B64(1); |
| 398 |
d.VIS_B64(2) = d.VIS_B64(1); |
| 399 |
d.VIS_B64(1) = s.VIS_B64(0); |
| 400 |
//d.VIS_B64(0) = d.VIS_B64(0);
|
| 401 |
|
| 402 |
DT0 = d.d; |
| 403 |
} |
| 404 |
|
| 405 |
void helper_fmul8x16(void) |
| 406 |
{
|
| 407 |
vis64 s, d; |
| 408 |
uint32_t tmp; |
| 409 |
|
| 410 |
s.d = DT0; |
| 411 |
d.d = DT1; |
| 412 |
|
| 413 |
#define PMUL(r) \
|
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tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \ |
| 415 |
if ((tmp & 0xff) > 0x7f) \ |
| 416 |
tmp += 0x100; \
|
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d.VIS_W64(r) = tmp >> 8;
|
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|
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PMUL(0);
|
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PMUL(1);
|
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PMUL(2);
|
| 422 |
PMUL(3);
|
| 423 |
#undef PMUL
|
| 424 |
|
| 425 |
DT0 = d.d; |
| 426 |
} |
| 427 |
|
| 428 |
void helper_fmul8x16al(void) |
| 429 |
{
|
| 430 |
vis64 s, d; |
| 431 |
uint32_t tmp; |
| 432 |
|
| 433 |
s.d = DT0; |
| 434 |
d.d = DT1; |
| 435 |
|
| 436 |
#define PMUL(r) \
|
| 437 |
tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \
|
| 438 |
if ((tmp & 0xff) > 0x7f) \ |
| 439 |
tmp += 0x100; \
|
| 440 |
d.VIS_W64(r) = tmp >> 8;
|
| 441 |
|
| 442 |
PMUL(0);
|
| 443 |
PMUL(1);
|
| 444 |
PMUL(2);
|
| 445 |
PMUL(3);
|
| 446 |
#undef PMUL
|
| 447 |
|
| 448 |
DT0 = d.d; |
| 449 |
} |
| 450 |
|
| 451 |
void helper_fmul8x16au(void) |
| 452 |
{
|
| 453 |
vis64 s, d; |
| 454 |
uint32_t tmp; |
| 455 |
|
| 456 |
s.d = DT0; |
| 457 |
d.d = DT1; |
| 458 |
|
| 459 |
#define PMUL(r) \
|
| 460 |
tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
|
| 461 |
if ((tmp & 0xff) > 0x7f) \ |
| 462 |
tmp += 0x100; \
|
| 463 |
d.VIS_W64(r) = tmp >> 8;
|
| 464 |
|
| 465 |
PMUL(0);
|
| 466 |
PMUL(1);
|
| 467 |
PMUL(2);
|
| 468 |
PMUL(3);
|
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#undef PMUL
|
| 470 |
|
| 471 |
DT0 = d.d; |
| 472 |
} |
| 473 |
|
| 474 |
void helper_fmul8sux16(void) |
| 475 |
{
|
| 476 |
vis64 s, d; |
| 477 |
uint32_t tmp; |
| 478 |
|
| 479 |
s.d = DT0; |
| 480 |
d.d = DT1; |
| 481 |
|
| 482 |
#define PMUL(r) \
|
| 483 |
tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
|
| 484 |
if ((tmp & 0xff) > 0x7f) \ |
| 485 |
tmp += 0x100; \
|
| 486 |
d.VIS_W64(r) = tmp >> 8;
|
| 487 |
|
| 488 |
PMUL(0);
|
| 489 |
PMUL(1);
|
| 490 |
PMUL(2);
|
| 491 |
PMUL(3);
|
| 492 |
#undef PMUL
|
| 493 |
|
| 494 |
DT0 = d.d; |
| 495 |
} |
| 496 |
|
| 497 |
void helper_fmul8ulx16(void) |
| 498 |
{
|
| 499 |
vis64 s, d; |
| 500 |
uint32_t tmp; |
| 501 |
|
| 502 |
s.d = DT0; |
| 503 |
d.d = DT1; |
| 504 |
|
| 505 |
#define PMUL(r) \
|
| 506 |
tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
|
| 507 |
if ((tmp & 0xff) > 0x7f) \ |
| 508 |
tmp += 0x100; \
|
| 509 |
d.VIS_W64(r) = tmp >> 8;
|
| 510 |
|
| 511 |
PMUL(0);
|
| 512 |
PMUL(1);
|
| 513 |
PMUL(2);
|
| 514 |
PMUL(3);
|
| 515 |
#undef PMUL
|
| 516 |
|
| 517 |
DT0 = d.d; |
| 518 |
} |
| 519 |
|
| 520 |
void helper_fmuld8sux16(void) |
| 521 |
{
|
| 522 |
vis64 s, d; |
| 523 |
uint32_t tmp; |
| 524 |
|
| 525 |
s.d = DT0; |
| 526 |
d.d = DT1; |
| 527 |
|
| 528 |
#define PMUL(r) \
|
| 529 |
tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
|
| 530 |
if ((tmp & 0xff) > 0x7f) \ |
| 531 |
tmp += 0x100; \
|
| 532 |
d.VIS_L64(r) = tmp; |
| 533 |
|
| 534 |
// Reverse calculation order to handle overlap
|
| 535 |
PMUL(1);
|
| 536 |
PMUL(0);
|
| 537 |
#undef PMUL
|
| 538 |
|
| 539 |
DT0 = d.d; |
| 540 |
} |
| 541 |
|
| 542 |
void helper_fmuld8ulx16(void) |
| 543 |
{
|
| 544 |
vis64 s, d; |
| 545 |
uint32_t tmp; |
| 546 |
|
| 547 |
s.d = DT0; |
| 548 |
d.d = DT1; |
| 549 |
|
| 550 |
#define PMUL(r) \
|
| 551 |
tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
|
| 552 |
if ((tmp & 0xff) > 0x7f) \ |
| 553 |
tmp += 0x100; \
|
| 554 |
d.VIS_L64(r) = tmp; |
| 555 |
|
| 556 |
// Reverse calculation order to handle overlap
|
| 557 |
PMUL(1);
|
| 558 |
PMUL(0);
|
| 559 |
#undef PMUL
|
| 560 |
|
| 561 |
DT0 = d.d; |
| 562 |
} |
| 563 |
|
| 564 |
void helper_fexpand(void) |
| 565 |
{
|
| 566 |
vis32 s; |
| 567 |
vis64 d; |
| 568 |
|
| 569 |
s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
|
| 570 |
d.d = DT1; |
| 571 |
d.VIS_L64(0) = s.VIS_W32(0) << 4; |
| 572 |
d.VIS_L64(1) = s.VIS_W32(1) << 4; |
| 573 |
d.VIS_L64(2) = s.VIS_W32(2) << 4; |
| 574 |
d.VIS_L64(3) = s.VIS_W32(3) << 4; |
| 575 |
|
| 576 |
DT0 = d.d; |
| 577 |
} |
| 578 |
|
| 579 |
#define VIS_HELPER(name, F) \
|
| 580 |
void name##16(void) \ |
| 581 |
{ \
|
| 582 |
vis64 s, d; \ |
| 583 |
\ |
| 584 |
s.d = DT0; \ |
| 585 |
d.d = DT1; \ |
| 586 |
\ |
| 587 |
d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \ |
| 588 |
d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \ |
| 589 |
d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \ |
| 590 |
d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \ |
| 591 |
\ |
| 592 |
DT0 = d.d; \ |
| 593 |
} \ |
| 594 |
\ |
| 595 |
void name##16s(void) \ |
| 596 |
{ \
|
| 597 |
vis32 s, d; \ |
| 598 |
\ |
| 599 |
s.f = FT0; \ |
| 600 |
d.f = FT1; \ |
| 601 |
\ |
| 602 |
d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \ |
| 603 |
d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \ |
| 604 |
\ |
| 605 |
FT0 = d.f; \ |
| 606 |
} \ |
| 607 |
\ |
| 608 |
void name##32(void) \ |
| 609 |
{ \
|
| 610 |
vis64 s, d; \ |
| 611 |
\ |
| 612 |
s.d = DT0; \ |
| 613 |
d.d = DT1; \ |
| 614 |
\ |
| 615 |
d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \ |
| 616 |
d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \ |
| 617 |
\ |
| 618 |
DT0 = d.d; \ |
| 619 |
} \ |
| 620 |
\ |
| 621 |
void name##32s(void) \ |
| 622 |
{ \
|
| 623 |
vis32 s, d; \ |
| 624 |
\ |
| 625 |
s.f = FT0; \ |
| 626 |
d.f = FT1; \ |
| 627 |
\ |
| 628 |
d.l = F(d.l, s.l); \ |
| 629 |
\ |
| 630 |
FT0 = d.f; \ |
| 631 |
} |
| 632 |
|
| 633 |
#define FADD(a, b) ((a) + (b))
|
| 634 |
#define FSUB(a, b) ((a) - (b))
|
| 635 |
VIS_HELPER(helper_fpadd, FADD) |
| 636 |
VIS_HELPER(helper_fpsub, FSUB) |
| 637 |
|
| 638 |
#define VIS_CMPHELPER(name, F) \
|
| 639 |
void name##16(void) \ |
| 640 |
{ \
|
| 641 |
vis64 s, d; \ |
| 642 |
\ |
| 643 |
s.d = DT0; \ |
| 644 |
d.d = DT1; \ |
| 645 |
\ |
| 646 |
d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0))? 1: 0; \ |
| 647 |
d.VIS_W64(0) |= F(d.VIS_W64(1), s.VIS_W64(1))? 2: 0; \ |
| 648 |
d.VIS_W64(0) |= F(d.VIS_W64(2), s.VIS_W64(2))? 4: 0; \ |
| 649 |
d.VIS_W64(0) |= F(d.VIS_W64(3), s.VIS_W64(3))? 8: 0; \ |
| 650 |
\ |
| 651 |
DT0 = d.d; \ |
| 652 |
} \ |
| 653 |
\ |
| 654 |
void name##32(void) \ |
| 655 |
{ \
|
| 656 |
vis64 s, d; \ |
| 657 |
\ |
| 658 |
s.d = DT0; \ |
| 659 |
d.d = DT1; \ |
| 660 |
\ |
| 661 |
d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0))? 1: 0; \ |
| 662 |
d.VIS_L64(0) |= F(d.VIS_L64(1), s.VIS_L64(1))? 2: 0; \ |
| 663 |
\ |
| 664 |
DT0 = d.d; \ |
| 665 |
} |
| 666 |
|
| 667 |
#define FCMPGT(a, b) ((a) > (b))
|
| 668 |
#define FCMPEQ(a, b) ((a) == (b))
|
| 669 |
#define FCMPLE(a, b) ((a) <= (b))
|
| 670 |
#define FCMPNE(a, b) ((a) != (b))
|
| 671 |
|
| 672 |
VIS_CMPHELPER(helper_fcmpgt, FCMPGT) |
| 673 |
VIS_CMPHELPER(helper_fcmpeq, FCMPEQ) |
| 674 |
VIS_CMPHELPER(helper_fcmple, FCMPLE) |
| 675 |
VIS_CMPHELPER(helper_fcmpne, FCMPNE) |
| 676 |
#endif
|
| 677 |
|
| 678 |
void helper_check_ieee_exceptions(void) |
| 679 |
{
|
| 680 |
target_ulong status; |
| 681 |
|
| 682 |
status = get_float_exception_flags(&env->fp_status); |
| 683 |
if (status) {
|
| 684 |
/* Copy IEEE 754 flags into FSR */
|
| 685 |
if (status & float_flag_invalid)
|
| 686 |
env->fsr |= FSR_NVC; |
| 687 |
if (status & float_flag_overflow)
|
| 688 |
env->fsr |= FSR_OFC; |
| 689 |
if (status & float_flag_underflow)
|
| 690 |
env->fsr |= FSR_UFC; |
| 691 |
if (status & float_flag_divbyzero)
|
| 692 |
env->fsr |= FSR_DZC; |
| 693 |
if (status & float_flag_inexact)
|
| 694 |
env->fsr |= FSR_NXC; |
| 695 |
|
| 696 |
if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) { |
| 697 |
/* Unmasked exception, generate a trap */
|
| 698 |
env->fsr |= FSR_FTT_IEEE_EXCP; |
| 699 |
raise_exception(TT_FP_EXCP); |
| 700 |
} else {
|
| 701 |
/* Accumulate exceptions */
|
| 702 |
env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5;
|
| 703 |
} |
| 704 |
} |
| 705 |
} |
| 706 |
|
| 707 |
void helper_clear_float_exceptions(void) |
| 708 |
{
|
| 709 |
set_float_exception_flags(0, &env->fp_status);
|
| 710 |
} |
| 711 |
|
| 712 |
void helper_fabss(void) |
| 713 |
{
|
| 714 |
FT0 = float32_abs(FT1); |
| 715 |
} |
| 716 |
|
| 717 |
#ifdef TARGET_SPARC64
|
| 718 |
void helper_fabsd(void) |
| 719 |
{
|
| 720 |
DT0 = float64_abs(DT1); |
| 721 |
} |
| 722 |
|
| 723 |
void helper_fabsq(void) |
| 724 |
{
|
| 725 |
QT0 = float128_abs(QT1); |
| 726 |
} |
| 727 |
#endif
|
| 728 |
|
| 729 |
void helper_fsqrts(void) |
| 730 |
{
|
| 731 |
FT0 = float32_sqrt(FT1, &env->fp_status); |
| 732 |
} |
| 733 |
|
| 734 |
void helper_fsqrtd(void) |
| 735 |
{
|
| 736 |
DT0 = float64_sqrt(DT1, &env->fp_status); |
| 737 |
} |
| 738 |
|
| 739 |
void helper_fsqrtq(void) |
| 740 |
{
|
| 741 |
QT0 = float128_sqrt(QT1, &env->fp_status); |
| 742 |
} |
| 743 |
|
| 744 |
#define GEN_FCMP(name, size, reg1, reg2, FS, TRAP) \
|
| 745 |
void glue(helper_, name) (void) \ |
| 746 |
{ \
|
| 747 |
target_ulong new_fsr; \ |
| 748 |
\ |
| 749 |
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \ |
| 750 |
switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
|
| 751 |
case float_relation_unordered: \
|
| 752 |
new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \ |
| 753 |
if ((env->fsr & FSR_NVM) || TRAP) { \
|
| 754 |
env->fsr |= new_fsr; \ |
| 755 |
env->fsr |= FSR_NVC; \ |
| 756 |
env->fsr |= FSR_FTT_IEEE_EXCP; \ |
| 757 |
raise_exception(TT_FP_EXCP); \ |
| 758 |
} else { \
|
| 759 |
env->fsr |= FSR_NVA; \ |
| 760 |
} \ |
| 761 |
break; \
|
| 762 |
case float_relation_less: \
|
| 763 |
new_fsr = FSR_FCC0 << FS; \ |
| 764 |
break; \
|
| 765 |
case float_relation_greater: \
|
| 766 |
new_fsr = FSR_FCC1 << FS; \ |
| 767 |
break; \
|
| 768 |
default: \
|
| 769 |
new_fsr = 0; \
|
| 770 |
break; \
|
| 771 |
} \ |
| 772 |
env->fsr |= new_fsr; \ |
| 773 |
} |
| 774 |
|
| 775 |
GEN_FCMP(fcmps, float32, FT0, FT1, 0, 0); |
| 776 |
GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0); |
| 777 |
|
| 778 |
GEN_FCMP(fcmpes, float32, FT0, FT1, 0, 1); |
| 779 |
GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1); |
| 780 |
|
| 781 |
GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0); |
| 782 |
GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1); |
| 783 |
|
| 784 |
#ifdef TARGET_SPARC64
|
| 785 |
GEN_FCMP(fcmps_fcc1, float32, FT0, FT1, 22, 0); |
| 786 |
GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0); |
| 787 |
GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0); |
| 788 |
|
| 789 |
GEN_FCMP(fcmps_fcc2, float32, FT0, FT1, 24, 0); |
| 790 |
GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0); |
| 791 |
GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0); |
| 792 |
|
| 793 |
GEN_FCMP(fcmps_fcc3, float32, FT0, FT1, 26, 0); |
| 794 |
GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0); |
| 795 |
GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0); |
| 796 |
|
| 797 |
GEN_FCMP(fcmpes_fcc1, float32, FT0, FT1, 22, 1); |
| 798 |
GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1); |
| 799 |
GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1); |
| 800 |
|
| 801 |
GEN_FCMP(fcmpes_fcc2, float32, FT0, FT1, 24, 1); |
| 802 |
GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1); |
| 803 |
GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1); |
| 804 |
|
| 805 |
GEN_FCMP(fcmpes_fcc3, float32, FT0, FT1, 26, 1); |
| 806 |
GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1); |
| 807 |
GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1); |
| 808 |
#endif
|
| 809 |
|
| 810 |
#if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
|
| 811 |
defined(DEBUG_MXCC) |
| 812 |
static void dump_mxcc(CPUState *env) |
| 813 |
{
|
| 814 |
printf("mxccdata: %016llx %016llx %016llx %016llx\n",
|
| 815 |
env->mxccdata[0], env->mxccdata[1], |
| 816 |
env->mxccdata[2], env->mxccdata[3]); |
| 817 |
printf("mxccregs: %016llx %016llx %016llx %016llx\n"
|
| 818 |
" %016llx %016llx %016llx %016llx\n",
|
| 819 |
env->mxccregs[0], env->mxccregs[1], |
| 820 |
env->mxccregs[2], env->mxccregs[3], |
| 821 |
env->mxccregs[4], env->mxccregs[5], |
| 822 |
env->mxccregs[6], env->mxccregs[7]); |
| 823 |
} |
| 824 |
#endif
|
| 825 |
|
| 826 |
#if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
|
| 827 |
&& defined(DEBUG_ASI) |
| 828 |
static void dump_asi(const char *txt, target_ulong addr, int asi, int size, |
| 829 |
uint64_t r1) |
| 830 |
{
|
| 831 |
switch (size)
|
| 832 |
{
|
| 833 |
case 1: |
| 834 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt, |
| 835 |
addr, asi, r1 & 0xff);
|
| 836 |
break;
|
| 837 |
case 2: |
| 838 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt, |
| 839 |
addr, asi, r1 & 0xffff);
|
| 840 |
break;
|
| 841 |
case 4: |
| 842 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt, |
| 843 |
addr, asi, r1 & 0xffffffff);
|
| 844 |
break;
|
| 845 |
case 8: |
| 846 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt, |
| 847 |
addr, asi, r1); |
| 848 |
break;
|
| 849 |
} |
| 850 |
} |
| 851 |
#endif
|
| 852 |
|
| 853 |
#ifndef TARGET_SPARC64
|
| 854 |
#ifndef CONFIG_USER_ONLY
|
| 855 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
| 856 |
{
|
| 857 |
uint64_t ret = 0;
|
| 858 |
#if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
|
| 859 |
uint32_t last_addr = addr; |
| 860 |
#endif
|
| 861 |
|
| 862 |
helper_check_align(addr, size - 1);
|
| 863 |
switch (asi) {
|
| 864 |
case 2: /* SuperSparc MXCC registers */ |
| 865 |
switch (addr) {
|
| 866 |
case 0x01c00a00: /* MXCC control register */ |
| 867 |
if (size == 8) |
| 868 |
ret = env->mxccregs[3];
|
| 869 |
else
|
| 870 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 871 |
size); |
| 872 |
break;
|
| 873 |
case 0x01c00a04: /* MXCC control register */ |
| 874 |
if (size == 4) |
| 875 |
ret = env->mxccregs[3];
|
| 876 |
else
|
| 877 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 878 |
size); |
| 879 |
break;
|
| 880 |
case 0x01c00c00: /* Module reset register */ |
| 881 |
if (size == 8) { |
| 882 |
ret = env->mxccregs[5];
|
| 883 |
// should we do something here?
|
| 884 |
} else
|
| 885 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 886 |
size); |
| 887 |
break;
|
| 888 |
case 0x01c00f00: /* MBus port address register */ |
| 889 |
if (size == 8) |
| 890 |
ret = env->mxccregs[7];
|
| 891 |
else
|
| 892 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 893 |
size); |
| 894 |
break;
|
| 895 |
default:
|
| 896 |
DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
|
| 897 |
size); |
| 898 |
break;
|
| 899 |
} |
| 900 |
DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
|
| 901 |
"addr = %08x -> ret = %08x,"
|
| 902 |
"addr = %08x\n", asi, size, sign, last_addr, ret, addr);
|
| 903 |
#ifdef DEBUG_MXCC
|
| 904 |
dump_mxcc(env); |
| 905 |
#endif
|
| 906 |
break;
|
| 907 |
case 3: /* MMU probe */ |
| 908 |
{
|
| 909 |
int mmulev;
|
| 910 |
|
| 911 |
mmulev = (addr >> 8) & 15; |
| 912 |
if (mmulev > 4) |
| 913 |
ret = 0;
|
| 914 |
else
|
| 915 |
ret = mmu_probe(env, addr, mmulev); |
| 916 |
DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n", |
| 917 |
addr, mmulev, ret); |
| 918 |
} |
| 919 |
break;
|
| 920 |
case 4: /* read MMU regs */ |
| 921 |
{
|
| 922 |
int reg = (addr >> 8) & 0x1f; |
| 923 |
|
| 924 |
ret = env->mmuregs[reg]; |
| 925 |
if (reg == 3) /* Fault status cleared on read */ |
| 926 |
env->mmuregs[3] = 0; |
| 927 |
else if (reg == 0x13) /* Fault status read */ |
| 928 |
ret = env->mmuregs[3];
|
| 929 |
else if (reg == 0x14) /* Fault address read */ |
| 930 |
ret = env->mmuregs[4];
|
| 931 |
DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret); |
| 932 |
} |
| 933 |
break;
|
| 934 |
case 5: // Turbosparc ITLB Diagnostic |
| 935 |
case 6: // Turbosparc DTLB Diagnostic |
| 936 |
case 7: // Turbosparc IOTLB Diagnostic |
| 937 |
break;
|
| 938 |
case 9: /* Supervisor code access */ |
| 939 |
switch(size) {
|
| 940 |
case 1: |
| 941 |
ret = ldub_code(addr); |
| 942 |
break;
|
| 943 |
case 2: |
| 944 |
ret = lduw_code(addr); |
| 945 |
break;
|
| 946 |
default:
|
| 947 |
case 4: |
| 948 |
ret = ldl_code(addr); |
| 949 |
break;
|
| 950 |
case 8: |
| 951 |
ret = ldq_code(addr); |
| 952 |
break;
|
| 953 |
} |
| 954 |
break;
|
| 955 |
case 0xa: /* User data access */ |
| 956 |
switch(size) {
|
| 957 |
case 1: |
| 958 |
ret = ldub_user(addr); |
| 959 |
break;
|
| 960 |
case 2: |
| 961 |
ret = lduw_user(addr); |
| 962 |
break;
|
| 963 |
default:
|
| 964 |
case 4: |
| 965 |
ret = ldl_user(addr); |
| 966 |
break;
|
| 967 |
case 8: |
| 968 |
ret = ldq_user(addr); |
| 969 |
break;
|
| 970 |
} |
| 971 |
break;
|
| 972 |
case 0xb: /* Supervisor data access */ |
| 973 |
switch(size) {
|
| 974 |
case 1: |
| 975 |
ret = ldub_kernel(addr); |
| 976 |
break;
|
| 977 |
case 2: |
| 978 |
ret = lduw_kernel(addr); |
| 979 |
break;
|
| 980 |
default:
|
| 981 |
case 4: |
| 982 |
ret = ldl_kernel(addr); |
| 983 |
break;
|
| 984 |
case 8: |
| 985 |
ret = ldq_kernel(addr); |
| 986 |
break;
|
| 987 |
} |
| 988 |
break;
|
| 989 |
case 0xc: /* I-cache tag */ |
| 990 |
case 0xd: /* I-cache data */ |
| 991 |
case 0xe: /* D-cache tag */ |
| 992 |
case 0xf: /* D-cache data */ |
| 993 |
break;
|
| 994 |
case 0x20: /* MMU passthrough */ |
| 995 |
switch(size) {
|
| 996 |
case 1: |
| 997 |
ret = ldub_phys(addr); |
| 998 |
break;
|
| 999 |
case 2: |
| 1000 |
ret = lduw_phys(addr); |
| 1001 |
break;
|
| 1002 |
default:
|
| 1003 |
case 4: |
| 1004 |
ret = ldl_phys(addr); |
| 1005 |
break;
|
| 1006 |
case 8: |
| 1007 |
ret = ldq_phys(addr); |
| 1008 |
break;
|
| 1009 |
} |
| 1010 |
break;
|
| 1011 |
case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */ |
| 1012 |
switch(size) {
|
| 1013 |
case 1: |
| 1014 |
ret = ldub_phys((target_phys_addr_t)addr |
| 1015 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
| 1016 |
break;
|
| 1017 |
case 2: |
| 1018 |
ret = lduw_phys((target_phys_addr_t)addr |
| 1019 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
| 1020 |
break;
|
| 1021 |
default:
|
| 1022 |
case 4: |
| 1023 |
ret = ldl_phys((target_phys_addr_t)addr |
| 1024 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
| 1025 |
break;
|
| 1026 |
case 8: |
| 1027 |
ret = ldq_phys((target_phys_addr_t)addr |
| 1028 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
| 1029 |
break;
|
| 1030 |
} |
| 1031 |
break;
|
| 1032 |
case 0x30: // Turbosparc secondary cache diagnostic |
| 1033 |
case 0x31: // Turbosparc RAM snoop |
| 1034 |
case 0x32: // Turbosparc page table descriptor diagnostic |
| 1035 |
case 0x39: /* data cache diagnostic register */ |
| 1036 |
ret = 0;
|
| 1037 |
break;
|
| 1038 |
case 8: /* User code access, XXX */ |
| 1039 |
default:
|
| 1040 |
do_unassigned_access(addr, 0, 0, asi); |
| 1041 |
ret = 0;
|
| 1042 |
break;
|
| 1043 |
} |
| 1044 |
if (sign) {
|
| 1045 |
switch(size) {
|
| 1046 |
case 1: |
| 1047 |
ret = (int8_t) ret; |
| 1048 |
break;
|
| 1049 |
case 2: |
| 1050 |
ret = (int16_t) ret; |
| 1051 |
break;
|
| 1052 |
case 4: |
| 1053 |
ret = (int32_t) ret; |
| 1054 |
break;
|
| 1055 |
default:
|
| 1056 |
break;
|
| 1057 |
} |
| 1058 |
} |
| 1059 |
#ifdef DEBUG_ASI
|
| 1060 |
dump_asi("read ", last_addr, asi, size, ret);
|
| 1061 |
#endif
|
| 1062 |
return ret;
|
| 1063 |
} |
| 1064 |
|
| 1065 |
void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size) |
| 1066 |
{
|
| 1067 |
helper_check_align(addr, size - 1);
|
| 1068 |
switch(asi) {
|
| 1069 |
case 2: /* SuperSparc MXCC registers */ |
| 1070 |
switch (addr) {
|
| 1071 |
case 0x01c00000: /* MXCC stream data register 0 */ |
| 1072 |
if (size == 8) |
| 1073 |
env->mxccdata[0] = val;
|
| 1074 |
else
|
| 1075 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1076 |
size); |
| 1077 |
break;
|
| 1078 |
case 0x01c00008: /* MXCC stream data register 1 */ |
| 1079 |
if (size == 8) |
| 1080 |
env->mxccdata[1] = val;
|
| 1081 |
else
|
| 1082 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1083 |
size); |
| 1084 |
break;
|
| 1085 |
case 0x01c00010: /* MXCC stream data register 2 */ |
| 1086 |
if (size == 8) |
| 1087 |
env->mxccdata[2] = val;
|
| 1088 |
else
|
| 1089 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1090 |
size); |
| 1091 |
break;
|
| 1092 |
case 0x01c00018: /* MXCC stream data register 3 */ |
| 1093 |
if (size == 8) |
| 1094 |
env->mxccdata[3] = val;
|
| 1095 |
else
|
| 1096 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1097 |
size); |
| 1098 |
break;
|
| 1099 |
case 0x01c00100: /* MXCC stream source */ |
| 1100 |
if (size == 8) |
| 1101 |
env->mxccregs[0] = val;
|
| 1102 |
else
|
| 1103 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1104 |
size); |
| 1105 |
env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
| 1106 |
0);
|
| 1107 |
env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
| 1108 |
8);
|
| 1109 |
env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
| 1110 |
16);
|
| 1111 |
env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
| 1112 |
24);
|
| 1113 |
break;
|
| 1114 |
case 0x01c00200: /* MXCC stream destination */ |
| 1115 |
if (size == 8) |
| 1116 |
env->mxccregs[1] = val;
|
| 1117 |
else
|
| 1118 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1119 |
size); |
| 1120 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0, |
| 1121 |
env->mxccdata[0]);
|
| 1122 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8, |
| 1123 |
env->mxccdata[1]);
|
| 1124 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16, |
| 1125 |
env->mxccdata[2]);
|
| 1126 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24, |
| 1127 |
env->mxccdata[3]);
|
| 1128 |
break;
|
| 1129 |
case 0x01c00a00: /* MXCC control register */ |
| 1130 |
if (size == 8) |
| 1131 |
env->mxccregs[3] = val;
|
| 1132 |
else
|
| 1133 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1134 |
size); |
| 1135 |
break;
|
| 1136 |
case 0x01c00a04: /* MXCC control register */ |
| 1137 |
if (size == 4) |
| 1138 |
env->mxccregs[3] = (env->mxccregs[0xa] & 0xffffffff00000000ULL) |
| 1139 |
| val; |
| 1140 |
else
|
| 1141 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1142 |
size); |
| 1143 |
break;
|
| 1144 |
case 0x01c00e00: /* MXCC error register */ |
| 1145 |
// writing a 1 bit clears the error
|
| 1146 |
if (size == 8) |
| 1147 |
env->mxccregs[6] &= ~val;
|
| 1148 |
else
|
| 1149 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1150 |
size); |
| 1151 |
break;
|
| 1152 |
case 0x01c00f00: /* MBus port address register */ |
| 1153 |
if (size == 8) |
| 1154 |
env->mxccregs[7] = val;
|
| 1155 |
else
|
| 1156 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1157 |
size); |
| 1158 |
break;
|
| 1159 |
default:
|
| 1160 |
DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
|
| 1161 |
size); |
| 1162 |
break;
|
| 1163 |
} |
| 1164 |
DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %08x\n", asi,
|
| 1165 |
size, addr, val); |
| 1166 |
#ifdef DEBUG_MXCC
|
| 1167 |
dump_mxcc(env); |
| 1168 |
#endif
|
| 1169 |
break;
|
| 1170 |
case 3: /* MMU flush */ |
| 1171 |
{
|
| 1172 |
int mmulev;
|
| 1173 |
|
| 1174 |
mmulev = (addr >> 8) & 15; |
| 1175 |
DPRINTF_MMU("mmu flush level %d\n", mmulev);
|
| 1176 |
switch (mmulev) {
|
| 1177 |
case 0: // flush page |
| 1178 |
tlb_flush_page(env, addr & 0xfffff000);
|
| 1179 |
break;
|
| 1180 |
case 1: // flush segment (256k) |
| 1181 |
case 2: // flush region (16M) |
| 1182 |
case 3: // flush context (4G) |
| 1183 |
case 4: // flush entire |
| 1184 |
tlb_flush(env, 1);
|
| 1185 |
break;
|
| 1186 |
default:
|
| 1187 |
break;
|
| 1188 |
} |
| 1189 |
#ifdef DEBUG_MMU
|
| 1190 |
dump_mmu(env); |
| 1191 |
#endif
|
| 1192 |
} |
| 1193 |
break;
|
| 1194 |
case 4: /* write MMU regs */ |
| 1195 |
{
|
| 1196 |
int reg = (addr >> 8) & 0x1f; |
| 1197 |
uint32_t oldreg; |
| 1198 |
|
| 1199 |
oldreg = env->mmuregs[reg]; |
| 1200 |
switch(reg) {
|
| 1201 |
case 0: // Control Register |
| 1202 |
env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
|
| 1203 |
(val & 0x00ffffff);
|
| 1204 |
// Mappings generated during no-fault mode or MMU
|
| 1205 |
// disabled mode are invalid in normal mode
|
| 1206 |
if ((oldreg & (MMU_E | MMU_NF | env->mmu_bm)) !=
|
| 1207 |
(env->mmuregs[reg] & (MMU_E | MMU_NF | env->mmu_bm))) |
| 1208 |
tlb_flush(env, 1);
|
| 1209 |
break;
|
| 1210 |
case 1: // Context Table Pointer Register |
| 1211 |
env->mmuregs[reg] = val & env->mmu_ctpr_mask; |
| 1212 |
break;
|
| 1213 |
case 2: // Context Register |
| 1214 |
env->mmuregs[reg] = val & env->mmu_cxr_mask; |
| 1215 |
if (oldreg != env->mmuregs[reg]) {
|
| 1216 |
/* we flush when the MMU context changes because
|
| 1217 |
QEMU has no MMU context support */
|
| 1218 |
tlb_flush(env, 1);
|
| 1219 |
} |
| 1220 |
break;
|
| 1221 |
case 3: // Synchronous Fault Status Register with Clear |
| 1222 |
case 4: // Synchronous Fault Address Register |
| 1223 |
break;
|
| 1224 |
case 0x10: // TLB Replacement Control Register |
| 1225 |
env->mmuregs[reg] = val & env->mmu_trcr_mask; |
| 1226 |
break;
|
| 1227 |
case 0x13: // Synchronous Fault Status Register with Read and Clear |
| 1228 |
env->mmuregs[3] = val & env->mmu_sfsr_mask;
|
| 1229 |
break;
|
| 1230 |
case 0x14: // Synchronous Fault Address Register |
| 1231 |
env->mmuregs[4] = val;
|
| 1232 |
break;
|
| 1233 |
default:
|
| 1234 |
env->mmuregs[reg] = val; |
| 1235 |
break;
|
| 1236 |
} |
| 1237 |
if (oldreg != env->mmuregs[reg]) {
|
| 1238 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
|
| 1239 |
reg, oldreg, env->mmuregs[reg]); |
| 1240 |
} |
| 1241 |
#ifdef DEBUG_MMU
|
| 1242 |
dump_mmu(env); |
| 1243 |
#endif
|
| 1244 |
} |
| 1245 |
break;
|
| 1246 |
case 5: // Turbosparc ITLB Diagnostic |
| 1247 |
case 6: // Turbosparc DTLB Diagnostic |
| 1248 |
case 7: // Turbosparc IOTLB Diagnostic |
| 1249 |
break;
|
| 1250 |
case 0xa: /* User data access */ |
| 1251 |
switch(size) {
|
| 1252 |
case 1: |
| 1253 |
stb_user(addr, val); |
| 1254 |
break;
|
| 1255 |
case 2: |
| 1256 |
stw_user(addr, val); |
| 1257 |
break;
|
| 1258 |
default:
|
| 1259 |
case 4: |
| 1260 |
stl_user(addr, val); |
| 1261 |
break;
|
| 1262 |
case 8: |
| 1263 |
stq_user(addr, val); |
| 1264 |
break;
|
| 1265 |
} |
| 1266 |
break;
|
| 1267 |
case 0xb: /* Supervisor data access */ |
| 1268 |
switch(size) {
|
| 1269 |
case 1: |
| 1270 |
stb_kernel(addr, val); |
| 1271 |
break;
|
| 1272 |
case 2: |
| 1273 |
stw_kernel(addr, val); |
| 1274 |
break;
|
| 1275 |
default:
|
| 1276 |
case 4: |
| 1277 |
stl_kernel(addr, val); |
| 1278 |
break;
|
| 1279 |
case 8: |
| 1280 |
stq_kernel(addr, val); |
| 1281 |
break;
|
| 1282 |
} |
| 1283 |
break;
|
| 1284 |
case 0xc: /* I-cache tag */ |
| 1285 |
case 0xd: /* I-cache data */ |
| 1286 |
case 0xe: /* D-cache tag */ |
| 1287 |
case 0xf: /* D-cache data */ |
| 1288 |
case 0x10: /* I/D-cache flush page */ |
| 1289 |
case 0x11: /* I/D-cache flush segment */ |
| 1290 |
case 0x12: /* I/D-cache flush region */ |
| 1291 |
case 0x13: /* I/D-cache flush context */ |
| 1292 |
case 0x14: /* I/D-cache flush user */ |
| 1293 |
break;
|
| 1294 |
case 0x17: /* Block copy, sta access */ |
| 1295 |
{
|
| 1296 |
// val = src
|
| 1297 |
// addr = dst
|
| 1298 |
// copy 32 bytes
|
| 1299 |
unsigned int i; |
| 1300 |
uint32_t src = val & ~3, dst = addr & ~3, temp; |
| 1301 |
|
| 1302 |
for (i = 0; i < 32; i += 4, src += 4, dst += 4) { |
| 1303 |
temp = ldl_kernel(src); |
| 1304 |
stl_kernel(dst, temp); |
| 1305 |
} |
| 1306 |
} |
| 1307 |
break;
|
| 1308 |
case 0x1f: /* Block fill, stda access */ |
| 1309 |
{
|
| 1310 |
// addr = dst
|
| 1311 |
// fill 32 bytes with val
|
| 1312 |
unsigned int i; |
| 1313 |
uint32_t dst = addr & 7;
|
| 1314 |
|
| 1315 |
for (i = 0; i < 32; i += 8, dst += 8) |
| 1316 |
stq_kernel(dst, val); |
| 1317 |
} |
| 1318 |
break;
|
| 1319 |
case 0x20: /* MMU passthrough */ |
| 1320 |
{
|
| 1321 |
switch(size) {
|
| 1322 |
case 1: |
| 1323 |
stb_phys(addr, val); |
| 1324 |
break;
|
| 1325 |
case 2: |
| 1326 |
stw_phys(addr, val); |
| 1327 |
break;
|
| 1328 |
case 4: |
| 1329 |
default:
|
| 1330 |
stl_phys(addr, val); |
| 1331 |
break;
|
| 1332 |
case 8: |
| 1333 |
stq_phys(addr, val); |
| 1334 |
break;
|
| 1335 |
} |
| 1336 |
} |
| 1337 |
break;
|
| 1338 |
case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */ |
| 1339 |
{
|
| 1340 |
switch(size) {
|
| 1341 |
case 1: |
| 1342 |
stb_phys((target_phys_addr_t)addr |
| 1343 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
| 1344 |
break;
|
| 1345 |
case 2: |
| 1346 |
stw_phys((target_phys_addr_t)addr |
| 1347 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
| 1348 |
break;
|
| 1349 |
case 4: |
| 1350 |
default:
|
| 1351 |
stl_phys((target_phys_addr_t)addr |
| 1352 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
| 1353 |
break;
|
| 1354 |
case 8: |
| 1355 |
stq_phys((target_phys_addr_t)addr |
| 1356 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
| 1357 |
break;
|
| 1358 |
} |
| 1359 |
} |
| 1360 |
break;
|
| 1361 |
case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic |
| 1362 |
case 0x31: // store buffer data, Ross RT620 I-cache flush or |
| 1363 |
// Turbosparc snoop RAM
|
| 1364 |
case 0x32: // store buffer control or Turbosparc page table |
| 1365 |
// descriptor diagnostic
|
| 1366 |
case 0x36: /* I-cache flash clear */ |
| 1367 |
case 0x37: /* D-cache flash clear */ |
| 1368 |
case 0x38: /* breakpoint diagnostics */ |
| 1369 |
case 0x4c: /* breakpoint action */ |
| 1370 |
break;
|
| 1371 |
case 8: /* User code access, XXX */ |
| 1372 |
case 9: /* Supervisor code access, XXX */ |
| 1373 |
default:
|
| 1374 |
do_unassigned_access(addr, 1, 0, asi); |
| 1375 |
break;
|
| 1376 |
} |
| 1377 |
#ifdef DEBUG_ASI
|
| 1378 |
dump_asi("write", addr, asi, size, val);
|
| 1379 |
#endif
|
| 1380 |
} |
| 1381 |
|
| 1382 |
#endif /* CONFIG_USER_ONLY */ |
| 1383 |
#else /* TARGET_SPARC64 */ |
| 1384 |
|
| 1385 |
#ifdef CONFIG_USER_ONLY
|
| 1386 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
| 1387 |
{
|
| 1388 |
uint64_t ret = 0;
|
| 1389 |
#if defined(DEBUG_ASI)
|
| 1390 |
target_ulong last_addr = addr; |
| 1391 |
#endif
|
| 1392 |
|
| 1393 |
if (asi < 0x80) |
| 1394 |
raise_exception(TT_PRIV_ACT); |
| 1395 |
|
| 1396 |
helper_check_align(addr, size - 1);
|
| 1397 |
address_mask(env, &addr); |
| 1398 |
|
| 1399 |
switch (asi) {
|
| 1400 |
case 0x80: // Primary |
| 1401 |
case 0x82: // Primary no-fault |
| 1402 |
case 0x88: // Primary LE |
| 1403 |
case 0x8a: // Primary no-fault LE |
| 1404 |
{
|
| 1405 |
switch(size) {
|
| 1406 |
case 1: |
| 1407 |
ret = ldub_raw(addr); |
| 1408 |
break;
|
| 1409 |
case 2: |
| 1410 |
ret = lduw_raw(addr); |
| 1411 |
break;
|
| 1412 |
case 4: |
| 1413 |
ret = ldl_raw(addr); |
| 1414 |
break;
|
| 1415 |
default:
|
| 1416 |
case 8: |
| 1417 |
ret = ldq_raw(addr); |
| 1418 |
break;
|
| 1419 |
} |
| 1420 |
} |
| 1421 |
break;
|
| 1422 |
case 0x81: // Secondary |
| 1423 |
case 0x83: // Secondary no-fault |
| 1424 |
case 0x89: // Secondary LE |
| 1425 |
case 0x8b: // Secondary no-fault LE |
| 1426 |
// XXX
|
| 1427 |
break;
|
| 1428 |
default:
|
| 1429 |
break;
|
| 1430 |
} |
| 1431 |
|
| 1432 |
/* Convert from little endian */
|
| 1433 |
switch (asi) {
|
| 1434 |
case 0x88: // Primary LE |
| 1435 |
case 0x89: // Secondary LE |
| 1436 |
case 0x8a: // Primary no-fault LE |
| 1437 |
case 0x8b: // Secondary no-fault LE |
| 1438 |
switch(size) {
|
| 1439 |
case 2: |
| 1440 |
ret = bswap16(ret); |
| 1441 |
break;
|
| 1442 |
case 4: |
| 1443 |
ret = bswap32(ret); |
| 1444 |
break;
|
| 1445 |
case 8: |
| 1446 |
ret = bswap64(ret); |
| 1447 |
break;
|
| 1448 |
default:
|
| 1449 |
break;
|
| 1450 |
} |
| 1451 |
default:
|
| 1452 |
break;
|
| 1453 |
} |
| 1454 |
|
| 1455 |
/* Convert to signed number */
|
| 1456 |
if (sign) {
|
| 1457 |
switch(size) {
|
| 1458 |
case 1: |
| 1459 |
ret = (int8_t) ret; |
| 1460 |
break;
|
| 1461 |
case 2: |
| 1462 |
ret = (int16_t) ret; |
| 1463 |
break;
|
| 1464 |
case 4: |
| 1465 |
ret = (int32_t) ret; |
| 1466 |
break;
|
| 1467 |
default:
|
| 1468 |
break;
|
| 1469 |
} |
| 1470 |
} |
| 1471 |
#ifdef DEBUG_ASI
|
| 1472 |
dump_asi("read ", last_addr, asi, size, ret);
|
| 1473 |
#endif
|
| 1474 |
return ret;
|
| 1475 |
} |
| 1476 |
|
| 1477 |
void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size) |
| 1478 |
{
|
| 1479 |
#ifdef DEBUG_ASI
|
| 1480 |
dump_asi("write", addr, asi, size, val);
|
| 1481 |
#endif
|
| 1482 |
if (asi < 0x80) |
| 1483 |
raise_exception(TT_PRIV_ACT); |
| 1484 |
|
| 1485 |
helper_check_align(addr, size - 1);
|
| 1486 |
address_mask(env, &addr); |
| 1487 |
|
| 1488 |
/* Convert to little endian */
|
| 1489 |
switch (asi) {
|
| 1490 |
case 0x88: // Primary LE |
| 1491 |
case 0x89: // Secondary LE |
| 1492 |
switch(size) {
|
| 1493 |
case 2: |
| 1494 |
addr = bswap16(addr); |
| 1495 |
break;
|
| 1496 |
case 4: |
| 1497 |
addr = bswap32(addr); |
| 1498 |
break;
|
| 1499 |
case 8: |
| 1500 |
addr = bswap64(addr); |
| 1501 |
break;
|
| 1502 |
default:
|
| 1503 |
break;
|
| 1504 |
} |
| 1505 |
default:
|
| 1506 |
break;
|
| 1507 |
} |
| 1508 |
|
| 1509 |
switch(asi) {
|
| 1510 |
case 0x80: // Primary |
| 1511 |
case 0x88: // Primary LE |
| 1512 |
{
|
| 1513 |
switch(size) {
|
| 1514 |
case 1: |
| 1515 |
stb_raw(addr, val); |
| 1516 |
break;
|
| 1517 |
case 2: |
| 1518 |
stw_raw(addr, val); |
| 1519 |
break;
|
| 1520 |
case 4: |
| 1521 |
stl_raw(addr, val); |
| 1522 |
break;
|
| 1523 |
case 8: |
| 1524 |
default:
|
| 1525 |
stq_raw(addr, val); |
| 1526 |
break;
|
| 1527 |
} |
| 1528 |
} |
| 1529 |
break;
|
| 1530 |
case 0x81: // Secondary |
| 1531 |
case 0x89: // Secondary LE |
| 1532 |
// XXX
|
| 1533 |
return;
|
| 1534 |
|
| 1535 |
case 0x82: // Primary no-fault, RO |
| 1536 |
case 0x83: // Secondary no-fault, RO |
| 1537 |
case 0x8a: // Primary no-fault LE, RO |
| 1538 |
case 0x8b: // Secondary no-fault LE, RO |
| 1539 |
default:
|
| 1540 |
do_unassigned_access(addr, 1, 0, 1); |
| 1541 |
return;
|
| 1542 |
} |
| 1543 |
} |
| 1544 |
|
| 1545 |
#else /* CONFIG_USER_ONLY */ |
| 1546 |
|
| 1547 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
| 1548 |
{
|
| 1549 |
uint64_t ret = 0;
|
| 1550 |
#if defined(DEBUG_ASI)
|
| 1551 |
target_ulong last_addr = addr; |
| 1552 |
#endif
|
| 1553 |
|
| 1554 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
| 1555 |
|| ((env->features & CPU_FEATURE_HYPV) && asi >= 0x30 && asi < 0x80 |
| 1556 |
&& !(env->hpstate & HS_PRIV))) |
| 1557 |
raise_exception(TT_PRIV_ACT); |
| 1558 |
|
| 1559 |
helper_check_align(addr, size - 1);
|
| 1560 |
switch (asi) {
|
| 1561 |
case 0x10: // As if user primary |
| 1562 |
case 0x18: // As if user primary LE |
| 1563 |
case 0x80: // Primary |
| 1564 |
case 0x82: // Primary no-fault |
| 1565 |
case 0x88: // Primary LE |
| 1566 |
case 0x8a: // Primary no-fault LE |
| 1567 |
if ((asi & 0x80) && (env->pstate & PS_PRIV)) { |
| 1568 |
if ((env->features & CPU_FEATURE_HYPV) && env->hpstate & HS_PRIV) {
|
| 1569 |
switch(size) {
|
| 1570 |
case 1: |
| 1571 |
ret = ldub_hypv(addr); |
| 1572 |
break;
|
| 1573 |
case 2: |
| 1574 |
ret = lduw_hypv(addr); |
| 1575 |
break;
|
| 1576 |
case 4: |
| 1577 |
ret = ldl_hypv(addr); |
| 1578 |
break;
|
| 1579 |
default:
|
| 1580 |
case 8: |
| 1581 |
ret = ldq_hypv(addr); |
| 1582 |
break;
|
| 1583 |
} |
| 1584 |
} else {
|
| 1585 |
switch(size) {
|
| 1586 |
case 1: |
| 1587 |
ret = ldub_kernel(addr); |
| 1588 |
break;
|
| 1589 |
case 2: |
| 1590 |
ret = lduw_kernel(addr); |
| 1591 |
break;
|
| 1592 |
case 4: |
| 1593 |
ret = ldl_kernel(addr); |
| 1594 |
break;
|
| 1595 |
default:
|
| 1596 |
case 8: |
| 1597 |
ret = ldq_kernel(addr); |
| 1598 |
break;
|
| 1599 |
} |
| 1600 |
} |
| 1601 |
} else {
|
| 1602 |
switch(size) {
|
| 1603 |
case 1: |
| 1604 |
ret = ldub_user(addr); |
| 1605 |
break;
|
| 1606 |
case 2: |
| 1607 |
ret = lduw_user(addr); |
| 1608 |
break;
|
| 1609 |
case 4: |
| 1610 |
ret = ldl_user(addr); |
| 1611 |
break;
|
| 1612 |
default:
|
| 1613 |
case 8: |
| 1614 |
ret = ldq_user(addr); |
| 1615 |
break;
|
| 1616 |
} |
| 1617 |
} |
| 1618 |
break;
|
| 1619 |
case 0x14: // Bypass |
| 1620 |
case 0x15: // Bypass, non-cacheable |
| 1621 |
case 0x1c: // Bypass LE |
| 1622 |
case 0x1d: // Bypass, non-cacheable LE |
| 1623 |
{
|
| 1624 |
switch(size) {
|
| 1625 |
case 1: |
| 1626 |
ret = ldub_phys(addr); |
| 1627 |
break;
|
| 1628 |
case 2: |
| 1629 |
ret = lduw_phys(addr); |
| 1630 |
break;
|
| 1631 |
case 4: |
| 1632 |
ret = ldl_phys(addr); |
| 1633 |
break;
|
| 1634 |
default:
|
| 1635 |
case 8: |
| 1636 |
ret = ldq_phys(addr); |
| 1637 |
break;
|
| 1638 |
} |
| 1639 |
break;
|
| 1640 |
} |
| 1641 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
| 1642 |
case 0x2c: // Nucleus quad LDD 128 bit atomic LE |
| 1643 |
// Only ldda allowed
|
| 1644 |
raise_exception(TT_ILL_INSN); |
| 1645 |
return 0; |
| 1646 |
case 0x04: // Nucleus |
| 1647 |
case 0x0c: // Nucleus Little Endian (LE) |
| 1648 |
case 0x11: // As if user secondary |
| 1649 |
case 0x19: // As if user secondary LE |
| 1650 |
case 0x4a: // UPA config |
| 1651 |
case 0x81: // Secondary |
| 1652 |
case 0x83: // Secondary no-fault |
| 1653 |
case 0x89: // Secondary LE |
| 1654 |
case 0x8b: // Secondary no-fault LE |
| 1655 |
// XXX
|
| 1656 |
break;
|
| 1657 |
case 0x45: // LSU |
| 1658 |
ret = env->lsu; |
| 1659 |
break;
|
| 1660 |
case 0x50: // I-MMU regs |
| 1661 |
{
|
| 1662 |
int reg = (addr >> 3) & 0xf; |
| 1663 |
|
| 1664 |
ret = env->immuregs[reg]; |
| 1665 |
break;
|
| 1666 |
} |
| 1667 |
case 0x51: // I-MMU 8k TSB pointer |
| 1668 |
case 0x52: // I-MMU 64k TSB pointer |
| 1669 |
// XXX
|
| 1670 |
break;
|
| 1671 |
case 0x55: // I-MMU data access |
| 1672 |
{
|
| 1673 |
int reg = (addr >> 3) & 0x3f; |
| 1674 |
|
| 1675 |
ret = env->itlb_tte[reg]; |
| 1676 |
break;
|
| 1677 |
} |
| 1678 |
case 0x56: // I-MMU tag read |
| 1679 |
{
|
| 1680 |
int reg = (addr >> 3) & 0x3f; |
| 1681 |
|
| 1682 |
ret = env->itlb_tag[reg]; |
| 1683 |
break;
|
| 1684 |
} |
| 1685 |
case 0x58: // D-MMU regs |
| 1686 |
{
|
| 1687 |
int reg = (addr >> 3) & 0xf; |
| 1688 |
|
| 1689 |
ret = env->dmmuregs[reg]; |
| 1690 |
break;
|
| 1691 |
} |
| 1692 |
case 0x5d: // D-MMU data access |
| 1693 |
{
|
| 1694 |
int reg = (addr >> 3) & 0x3f; |
| 1695 |
|
| 1696 |
ret = env->dtlb_tte[reg]; |
| 1697 |
break;
|
| 1698 |
} |
| 1699 |
case 0x5e: // D-MMU tag read |
| 1700 |
{
|
| 1701 |
int reg = (addr >> 3) & 0x3f; |
| 1702 |
|
| 1703 |
ret = env->dtlb_tag[reg]; |
| 1704 |
break;
|
| 1705 |
} |
| 1706 |
case 0x46: // D-cache data |
| 1707 |
case 0x47: // D-cache tag access |
| 1708 |
case 0x4b: // E-cache error enable |
| 1709 |
case 0x4c: // E-cache asynchronous fault status |
| 1710 |
case 0x4d: // E-cache asynchronous fault address |
| 1711 |
case 0x4e: // E-cache tag data |
| 1712 |
case 0x66: // I-cache instruction access |
| 1713 |
case 0x67: // I-cache tag access |
| 1714 |
case 0x6e: // I-cache predecode |
| 1715 |
case 0x6f: // I-cache LRU etc. |
| 1716 |
case 0x76: // E-cache tag |
| 1717 |
case 0x7e: // E-cache tag |
| 1718 |
break;
|
| 1719 |
case 0x59: // D-MMU 8k TSB pointer |
| 1720 |
case 0x5a: // D-MMU 64k TSB pointer |
| 1721 |
case 0x5b: // D-MMU data pointer |
| 1722 |
case 0x48: // Interrupt dispatch, RO |
| 1723 |
case 0x49: // Interrupt data receive |
| 1724 |
case 0x7f: // Incoming interrupt vector, RO |
| 1725 |
// XXX
|
| 1726 |
break;
|
| 1727 |
case 0x54: // I-MMU data in, WO |
| 1728 |
case 0x57: // I-MMU demap, WO |
| 1729 |
case 0x5c: // D-MMU data in, WO |
| 1730 |
case 0x5f: // D-MMU demap, WO |
| 1731 |
case 0x77: // Interrupt vector, WO |
| 1732 |
default:
|
| 1733 |
do_unassigned_access(addr, 0, 0, 1); |
| 1734 |
ret = 0;
|
| 1735 |
break;
|
| 1736 |
} |
| 1737 |
|
| 1738 |
/* Convert from little endian */
|
| 1739 |
switch (asi) {
|
| 1740 |
case 0x0c: // Nucleus Little Endian (LE) |
| 1741 |
case 0x18: // As if user primary LE |
| 1742 |
case 0x19: // As if user secondary LE |
| 1743 |
case 0x1c: // Bypass LE |
| 1744 |
case 0x1d: // Bypass, non-cacheable LE |
| 1745 |
case 0x88: // Primary LE |
| 1746 |
case 0x89: // Secondary LE |
| 1747 |
case 0x8a: // Primary no-fault LE |
| 1748 |
case 0x8b: // Secondary no-fault LE |
| 1749 |
switch(size) {
|
| 1750 |
case 2: |
| 1751 |
ret = bswap16(ret); |
| 1752 |
break;
|
| 1753 |
case 4: |
| 1754 |
ret = bswap32(ret); |
| 1755 |
break;
|
| 1756 |
case 8: |
| 1757 |
ret = bswap64(ret); |
| 1758 |
break;
|
| 1759 |
default:
|
| 1760 |
break;
|
| 1761 |
} |
| 1762 |
default:
|
| 1763 |
break;
|
| 1764 |
} |
| 1765 |
|
| 1766 |
/* Convert to signed number */
|
| 1767 |
if (sign) {
|
| 1768 |
switch(size) {
|
| 1769 |
case 1: |
| 1770 |
ret = (int8_t) ret; |
| 1771 |
break;
|
| 1772 |
case 2: |
| 1773 |
ret = (int16_t) ret; |
| 1774 |
break;
|
| 1775 |
case 4: |
| 1776 |
ret = (int32_t) ret; |
| 1777 |
break;
|
| 1778 |
default:
|
| 1779 |
break;
|
| 1780 |
} |
| 1781 |
} |
| 1782 |
#ifdef DEBUG_ASI
|
| 1783 |
dump_asi("read ", last_addr, asi, size, ret);
|
| 1784 |
#endif
|
| 1785 |
return ret;
|
| 1786 |
} |
| 1787 |
|
| 1788 |
void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size) |
| 1789 |
{
|
| 1790 |
#ifdef DEBUG_ASI
|
| 1791 |
dump_asi("write", addr, asi, size, val);
|
| 1792 |
#endif
|
| 1793 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
| 1794 |
|| ((env->features & CPU_FEATURE_HYPV) && asi >= 0x30 && asi < 0x80 |
| 1795 |
&& !(env->hpstate & HS_PRIV))) |
| 1796 |
raise_exception(TT_PRIV_ACT); |
| 1797 |
|
| 1798 |
helper_check_align(addr, size - 1);
|
| 1799 |
/* Convert to little endian */
|
| 1800 |
switch (asi) {
|
| 1801 |
case 0x0c: // Nucleus Little Endian (LE) |
| 1802 |
case 0x18: // As if user primary LE |
| 1803 |
case 0x19: // As if user secondary LE |
| 1804 |
case 0x1c: // Bypass LE |
| 1805 |
case 0x1d: // Bypass, non-cacheable LE |
| 1806 |
case 0x88: // Primary LE |
| 1807 |
case 0x89: // Secondary LE |
| 1808 |
switch(size) {
|
| 1809 |
case 2: |
| 1810 |
addr = bswap16(addr); |
| 1811 |
break;
|
| 1812 |
case 4: |
| 1813 |
addr = bswap32(addr); |
| 1814 |
break;
|
| 1815 |
case 8: |
| 1816 |
addr = bswap64(addr); |
| 1817 |
break;
|
| 1818 |
default:
|
| 1819 |
break;
|
| 1820 |
} |
| 1821 |
default:
|
| 1822 |
break;
|
| 1823 |
} |
| 1824 |
|
| 1825 |
switch(asi) {
|
| 1826 |
case 0x10: // As if user primary |
| 1827 |
case 0x18: // As if user primary LE |
| 1828 |
case 0x80: // Primary |
| 1829 |
case 0x88: // Primary LE |
| 1830 |
if ((asi & 0x80) && (env->pstate & PS_PRIV)) { |
| 1831 |
if ((env->features & CPU_FEATURE_HYPV) && env->hpstate & HS_PRIV) {
|
| 1832 |
switch(size) {
|
| 1833 |
case 1: |
| 1834 |
stb_hypv(addr, val); |
| 1835 |
break;
|
| 1836 |
case 2: |
| 1837 |
stw_hypv(addr, val); |
| 1838 |
break;
|
| 1839 |
case 4: |
| 1840 |
stl_hypv(addr, val); |
| 1841 |
break;
|
| 1842 |
case 8: |
| 1843 |
default:
|
| 1844 |
stq_hypv(addr, val); |
| 1845 |
break;
|
| 1846 |
} |
| 1847 |
} else {
|
| 1848 |
switch(size) {
|
| 1849 |
case 1: |
| 1850 |
stb_kernel(addr, val); |
| 1851 |
break;
|
| 1852 |
case 2: |
| 1853 |
stw_kernel(addr, val); |
| 1854 |
break;
|
| 1855 |
case 4: |
| 1856 |
stl_kernel(addr, val); |
| 1857 |
break;
|
| 1858 |
case 8: |
| 1859 |
default:
|
| 1860 |
stq_kernel(addr, val); |
| 1861 |
break;
|
| 1862 |
} |
| 1863 |
} |
| 1864 |
} else {
|
| 1865 |
switch(size) {
|
| 1866 |
case 1: |
| 1867 |
stb_user(addr, val); |
| 1868 |
break;
|
| 1869 |
case 2: |
| 1870 |
stw_user(addr, val); |
| 1871 |
break;
|
| 1872 |
case 4: |
| 1873 |
stl_user(addr, val); |
| 1874 |
break;
|
| 1875 |
case 8: |
| 1876 |
default:
|
| 1877 |
stq_user(addr, val); |
| 1878 |
break;
|
| 1879 |
} |
| 1880 |
} |
| 1881 |
break;
|
| 1882 |
case 0x14: // Bypass |
| 1883 |
case 0x15: // Bypass, non-cacheable |
| 1884 |
case 0x1c: // Bypass LE |
| 1885 |
case 0x1d: // Bypass, non-cacheable LE |
| 1886 |
{
|
| 1887 |
switch(size) {
|
| 1888 |
case 1: |
| 1889 |
stb_phys(addr, val); |
| 1890 |
break;
|
| 1891 |
case 2: |
| 1892 |
stw_phys(addr, val); |
| 1893 |
break;
|
| 1894 |
case 4: |
| 1895 |
stl_phys(addr, val); |
| 1896 |
break;
|
| 1897 |
case 8: |
| 1898 |
default:
|
| 1899 |
stq_phys(addr, val); |
| 1900 |
break;
|
| 1901 |
} |
| 1902 |
} |
| 1903 |
return;
|
| 1904 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
| 1905 |
case 0x2c: // Nucleus quad LDD 128 bit atomic LE |
| 1906 |
// Only ldda allowed
|
| 1907 |
raise_exception(TT_ILL_INSN); |
| 1908 |
return;
|
| 1909 |
case 0x04: // Nucleus |
| 1910 |
case 0x0c: // Nucleus Little Endian (LE) |
| 1911 |
case 0x11: // As if user secondary |
| 1912 |
case 0x19: // As if user secondary LE |
| 1913 |
case 0x4a: // UPA config |
| 1914 |
case 0x81: // Secondary |
| 1915 |
case 0x89: // Secondary LE |
| 1916 |
// XXX
|
| 1917 |
return;
|
| 1918 |
case 0x45: // LSU |
| 1919 |
{
|
| 1920 |
uint64_t oldreg; |
| 1921 |
|
| 1922 |
oldreg = env->lsu; |
| 1923 |
env->lsu = val & (DMMU_E | IMMU_E); |
| 1924 |
// Mappings generated during D/I MMU disabled mode are
|
| 1925 |
// invalid in normal mode
|
| 1926 |
if (oldreg != env->lsu) {
|
| 1927 |
DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n", |
| 1928 |
oldreg, env->lsu); |
| 1929 |
#ifdef DEBUG_MMU
|
| 1930 |
dump_mmu(env); |
| 1931 |
#endif
|
| 1932 |
tlb_flush(env, 1);
|
| 1933 |
} |
| 1934 |
return;
|
| 1935 |
} |
| 1936 |
case 0x50: // I-MMU regs |
| 1937 |
{
|
| 1938 |
int reg = (addr >> 3) & 0xf; |
| 1939 |
uint64_t oldreg; |
| 1940 |
|
| 1941 |
oldreg = env->immuregs[reg]; |
| 1942 |
switch(reg) {
|
| 1943 |
case 0: // RO |
| 1944 |
case 4: |
| 1945 |
return;
|
| 1946 |
case 1: // Not in I-MMU |
| 1947 |
case 2: |
| 1948 |
case 7: |
| 1949 |
case 8: |
| 1950 |
return;
|
| 1951 |
case 3: // SFSR |
| 1952 |
if ((val & 1) == 0) |
| 1953 |
val = 0; // Clear SFSR |
| 1954 |
break;
|
| 1955 |
case 5: // TSB access |
| 1956 |
case 6: // Tag access |
| 1957 |
default:
|
| 1958 |
break;
|
| 1959 |
} |
| 1960 |
env->immuregs[reg] = val; |
| 1961 |
if (oldreg != env->immuregs[reg]) {
|
| 1962 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" |
| 1963 |
PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
|
| 1964 |
} |
| 1965 |
#ifdef DEBUG_MMU
|
| 1966 |
dump_mmu(env); |
| 1967 |
#endif
|
| 1968 |
return;
|
| 1969 |
} |
| 1970 |
case 0x54: // I-MMU data in |
| 1971 |
{
|
| 1972 |
unsigned int i; |
| 1973 |
|
| 1974 |
// Try finding an invalid entry
|
| 1975 |
for (i = 0; i < 64; i++) { |
| 1976 |
if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) { |
| 1977 |
env->itlb_tag[i] = env->immuregs[6];
|
| 1978 |
env->itlb_tte[i] = val; |
| 1979 |
return;
|
| 1980 |
} |
| 1981 |
} |
| 1982 |
// Try finding an unlocked entry
|
| 1983 |
for (i = 0; i < 64; i++) { |
| 1984 |
if ((env->itlb_tte[i] & 0x40) == 0) { |
| 1985 |
env->itlb_tag[i] = env->immuregs[6];
|
| 1986 |
env->itlb_tte[i] = val; |
| 1987 |
return;
|
| 1988 |
} |
| 1989 |
} |
| 1990 |
// error state?
|
| 1991 |
return;
|
| 1992 |
} |
| 1993 |
case 0x55: // I-MMU data access |
| 1994 |
{
|
| 1995 |
unsigned int i = (addr >> 3) & 0x3f; |
| 1996 |
|
| 1997 |
env->itlb_tag[i] = env->immuregs[6];
|
| 1998 |
env->itlb_tte[i] = val; |
| 1999 |
return;
|
| 2000 |
} |
| 2001 |
case 0x57: // I-MMU demap |
| 2002 |
// XXX
|
| 2003 |
return;
|
| 2004 |
case 0x58: // D-MMU regs |
| 2005 |
{
|
| 2006 |
int reg = (addr >> 3) & 0xf; |
| 2007 |
uint64_t oldreg; |
| 2008 |
|
| 2009 |
oldreg = env->dmmuregs[reg]; |
| 2010 |
switch(reg) {
|
| 2011 |
case 0: // RO |
| 2012 |
case 4: |
| 2013 |
return;
|
| 2014 |
case 3: // SFSR |
| 2015 |
if ((val & 1) == 0) { |
| 2016 |
val = 0; // Clear SFSR, Fault address |
| 2017 |
env->dmmuregs[4] = 0; |
| 2018 |
} |
| 2019 |
env->dmmuregs[reg] = val; |
| 2020 |
break;
|
| 2021 |
case 1: // Primary context |
| 2022 |
case 2: // Secondary context |
| 2023 |
case 5: // TSB access |
| 2024 |
case 6: // Tag access |
| 2025 |
case 7: // Virtual Watchpoint |
| 2026 |
case 8: // Physical Watchpoint |
| 2027 |
default:
|
| 2028 |
break;
|
| 2029 |
} |
| 2030 |
env->dmmuregs[reg] = val; |
| 2031 |
if (oldreg != env->dmmuregs[reg]) {
|
| 2032 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" |
| 2033 |
PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
|
| 2034 |
} |
| 2035 |
#ifdef DEBUG_MMU
|
| 2036 |
dump_mmu(env); |
| 2037 |
#endif
|
| 2038 |
return;
|
| 2039 |
} |
| 2040 |
case 0x5c: // D-MMU data in |
| 2041 |
{
|
| 2042 |
unsigned int i; |
| 2043 |
|
| 2044 |
// Try finding an invalid entry
|
| 2045 |
for (i = 0; i < 64; i++) { |
| 2046 |
if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) { |
| 2047 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
| 2048 |
env->dtlb_tte[i] = val; |
| 2049 |
return;
|
| 2050 |
} |
| 2051 |
} |
| 2052 |
// Try finding an unlocked entry
|
| 2053 |
for (i = 0; i < 64; i++) { |
| 2054 |
if ((env->dtlb_tte[i] & 0x40) == 0) { |
| 2055 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
| 2056 |
env->dtlb_tte[i] = val; |
| 2057 |
return;
|
| 2058 |
} |
| 2059 |
} |
| 2060 |
// error state?
|
| 2061 |
return;
|
| 2062 |
} |
| 2063 |
case 0x5d: // D-MMU data access |
| 2064 |
{
|
| 2065 |
unsigned int i = (addr >> 3) & 0x3f; |
| 2066 |
|
| 2067 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
| 2068 |
env->dtlb_tte[i] = val; |
| 2069 |
return;
|
| 2070 |
} |
| 2071 |
case 0x5f: // D-MMU demap |
| 2072 |
case 0x49: // Interrupt data receive |
| 2073 |
// XXX
|
| 2074 |
return;
|
| 2075 |
case 0x46: // D-cache data |
| 2076 |
case 0x47: // D-cache tag access |
| 2077 |
case 0x4b: // E-cache error enable |
| 2078 |
case 0x4c: // E-cache asynchronous fault status |
| 2079 |
case 0x4d: // E-cache asynchronous fault address |
| 2080 |
case 0x4e: // E-cache tag data |
| 2081 |
case 0x66: // I-cache instruction access |
| 2082 |
case 0x67: // I-cache tag access |
| 2083 |
case 0x6e: // I-cache predecode |
| 2084 |
case 0x6f: // I-cache LRU etc. |
| 2085 |
case 0x76: // E-cache tag |
| 2086 |
case 0x7e: // E-cache tag |
| 2087 |
return;
|
| 2088 |
case 0x51: // I-MMU 8k TSB pointer, RO |
| 2089 |
case 0x52: // I-MMU 64k TSB pointer, RO |
| 2090 |
case 0x56: // I-MMU tag read, RO |
| 2091 |
case 0x59: // D-MMU 8k TSB pointer, RO |
| 2092 |
case 0x5a: // D-MMU 64k TSB pointer, RO |
| 2093 |
case 0x5b: // D-MMU data pointer, RO |
| 2094 |
case 0x5e: // D-MMU tag read, RO |
| 2095 |
case 0x48: // Interrupt dispatch, RO |
| 2096 |
case 0x7f: // Incoming interrupt vector, RO |
| 2097 |
case 0x82: // Primary no-fault, RO |
| 2098 |
case 0x83: // Secondary no-fault, RO |
| 2099 |
case 0x8a: // Primary no-fault LE, RO |
| 2100 |
case 0x8b: // Secondary no-fault LE, RO |
| 2101 |
default:
|
| 2102 |
do_unassigned_access(addr, 1, 0, 1); |
| 2103 |
return;
|
| 2104 |
} |
| 2105 |
} |
| 2106 |
#endif /* CONFIG_USER_ONLY */ |
| 2107 |
|
| 2108 |
void helper_ldda_asi(target_ulong addr, int asi, int rd) |
| 2109 |
{
|
| 2110 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
| 2111 |
|| ((env->features & CPU_FEATURE_HYPV) && asi >= 0x30 && asi < 0x80 |
| 2112 |
&& !(env->hpstate & HS_PRIV))) |
| 2113 |
raise_exception(TT_PRIV_ACT); |
| 2114 |
|
| 2115 |
switch (asi) {
|
| 2116 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
| 2117 |
case 0x2c: // Nucleus quad LDD 128 bit atomic LE |
| 2118 |
helper_check_align(addr, 0xf);
|
| 2119 |
if (rd == 0) { |
| 2120 |
env->gregs[1] = ldq_kernel(addr + 8); |
| 2121 |
if (asi == 0x2c) |
| 2122 |
bswap64s(&env->gregs[1]);
|
| 2123 |
} else if (rd < 8) { |
| 2124 |
env->gregs[rd] = ldq_kernel(addr); |
| 2125 |
env->gregs[rd + 1] = ldq_kernel(addr + 8); |
| 2126 |
if (asi == 0x2c) { |
| 2127 |
bswap64s(&env->gregs[rd]); |
| 2128 |
bswap64s(&env->gregs[rd + 1]);
|
| 2129 |
} |
| 2130 |
} else {
|
| 2131 |
env->regwptr[rd] = ldq_kernel(addr); |
| 2132 |
env->regwptr[rd + 1] = ldq_kernel(addr + 8); |
| 2133 |
if (asi == 0x2c) { |
| 2134 |
bswap64s(&env->regwptr[rd]); |
| 2135 |
bswap64s(&env->regwptr[rd + 1]);
|
| 2136 |
} |
| 2137 |
} |
| 2138 |
break;
|
| 2139 |
default:
|
| 2140 |
helper_check_align(addr, 0x3);
|
| 2141 |
if (rd == 0) |
| 2142 |
env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0); |
| 2143 |
else if (rd < 8) { |
| 2144 |
env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0); |
| 2145 |
env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0); |
| 2146 |
} else {
|
| 2147 |
env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0); |
| 2148 |
env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0); |
| 2149 |
} |
| 2150 |
break;
|
| 2151 |
} |
| 2152 |
} |
| 2153 |
|
| 2154 |
void helper_ldf_asi(target_ulong addr, int asi, int size, int rd) |
| 2155 |
{
|
| 2156 |
unsigned int i; |
| 2157 |
target_ulong val; |
| 2158 |
|
| 2159 |
helper_check_align(addr, 3);
|
| 2160 |
switch (asi) {
|
| 2161 |
case 0xf0: // Block load primary |
| 2162 |
case 0xf1: // Block load secondary |
| 2163 |
case 0xf8: // Block load primary LE |
| 2164 |
case 0xf9: // Block load secondary LE |
| 2165 |
if (rd & 7) { |
| 2166 |
raise_exception(TT_ILL_INSN); |
| 2167 |
return;
|
| 2168 |
} |
| 2169 |
helper_check_align(addr, 0x3f);
|
| 2170 |
for (i = 0; i < 16; i++) { |
| 2171 |
*(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4, |
| 2172 |
0);
|
| 2173 |
addr += 4;
|
| 2174 |
} |
| 2175 |
|
| 2176 |
return;
|
| 2177 |
default:
|
| 2178 |
break;
|
| 2179 |
} |
| 2180 |
|
| 2181 |
val = helper_ld_asi(addr, asi, size, 0);
|
| 2182 |
switch(size) {
|
| 2183 |
default:
|
| 2184 |
case 4: |
| 2185 |
*((uint32_t *)&FT0) = val; |
| 2186 |
break;
|
| 2187 |
case 8: |
| 2188 |
*((int64_t *)&DT0) = val; |
| 2189 |
break;
|
| 2190 |
case 16: |
| 2191 |
// XXX
|
| 2192 |
break;
|
| 2193 |
} |
| 2194 |
} |
| 2195 |
|
| 2196 |
void helper_stf_asi(target_ulong addr, int asi, int size, int rd) |
| 2197 |
{
|
| 2198 |
unsigned int i; |
| 2199 |
target_ulong val = 0;
|
| 2200 |
|
| 2201 |
helper_check_align(addr, 3);
|
| 2202 |
switch (asi) {
|
| 2203 |
case 0xf0: // Block store primary |
| 2204 |
case 0xf1: // Block store secondary |
| 2205 |
case 0xf8: // Block store primary LE |
| 2206 |
case 0xf9: // Block store secondary LE |
| 2207 |
if (rd & 7) { |
| 2208 |
raise_exception(TT_ILL_INSN); |
| 2209 |
return;
|
| 2210 |
} |
| 2211 |
helper_check_align(addr, 0x3f);
|
| 2212 |
for (i = 0; i < 16; i++) { |
| 2213 |
val = *(uint32_t *)&env->fpr[rd++]; |
| 2214 |
helper_st_asi(addr, val, asi & 0x8f, 4); |
| 2215 |
addr += 4;
|
| 2216 |
} |
| 2217 |
|
| 2218 |
return;
|
| 2219 |
default:
|
| 2220 |
break;
|
| 2221 |
} |
| 2222 |
|
| 2223 |
switch(size) {
|
| 2224 |
default:
|
| 2225 |
case 4: |
| 2226 |
val = *((uint32_t *)&FT0); |
| 2227 |
break;
|
| 2228 |
case 8: |
| 2229 |
val = *((int64_t *)&DT0); |
| 2230 |
break;
|
| 2231 |
case 16: |
| 2232 |
// XXX
|
| 2233 |
break;
|
| 2234 |
} |
| 2235 |
helper_st_asi(addr, val, asi, size); |
| 2236 |
} |
| 2237 |
|
| 2238 |
target_ulong helper_cas_asi(target_ulong addr, target_ulong val1, |
| 2239 |
target_ulong val2, uint32_t asi) |
| 2240 |
{
|
| 2241 |
target_ulong ret; |
| 2242 |
|
| 2243 |
val1 &= 0xffffffffUL;
|
| 2244 |
ret = helper_ld_asi(addr, asi, 4, 0); |
| 2245 |
ret &= 0xffffffffUL;
|
| 2246 |
if (val1 == ret)
|
| 2247 |
helper_st_asi(addr, val2 & 0xffffffffUL, asi, 4); |
| 2248 |
return ret;
|
| 2249 |
} |
| 2250 |
|
| 2251 |
target_ulong helper_casx_asi(target_ulong addr, target_ulong val1, |
| 2252 |
target_ulong val2, uint32_t asi) |
| 2253 |
{
|
| 2254 |
target_ulong ret; |
| 2255 |
|
| 2256 |
ret = helper_ld_asi(addr, asi, 8, 0); |
| 2257 |
if (val1 == ret)
|
| 2258 |
helper_st_asi(addr, val2, asi, 8);
|
| 2259 |
return ret;
|
| 2260 |
} |
| 2261 |
#endif /* TARGET_SPARC64 */ |
| 2262 |
|
| 2263 |
#ifndef TARGET_SPARC64
|
| 2264 |
void helper_rett(void) |
| 2265 |
{
|
| 2266 |
unsigned int cwp; |
| 2267 |
|
| 2268 |
if (env->psret == 1) |
| 2269 |
raise_exception(TT_ILL_INSN); |
| 2270 |
|
| 2271 |
env->psret = 1;
|
| 2272 |
cwp = cpu_cwp_inc(env, env->cwp + 1) ;
|
| 2273 |
if (env->wim & (1 << cwp)) { |
| 2274 |
raise_exception(TT_WIN_UNF); |
| 2275 |
} |
| 2276 |
set_cwp(cwp); |
| 2277 |
env->psrs = env->psrps; |
| 2278 |
} |
| 2279 |
#endif
|
| 2280 |
|
| 2281 |
target_ulong helper_udiv(target_ulong a, target_ulong b) |
| 2282 |
{
|
| 2283 |
uint64_t x0; |
| 2284 |
uint32_t x1; |
| 2285 |
|
| 2286 |
x0 = a | ((uint64_t) (env->y) << 32);
|
| 2287 |
x1 = b; |
| 2288 |
|
| 2289 |
if (x1 == 0) { |
| 2290 |
raise_exception(TT_DIV_ZERO); |
| 2291 |
} |
| 2292 |
|
| 2293 |
x0 = x0 / x1; |
| 2294 |
if (x0 > 0xffffffff) { |
| 2295 |
env->cc_src2 = 1;
|
| 2296 |
return 0xffffffff; |
| 2297 |
} else {
|
| 2298 |
env->cc_src2 = 0;
|
| 2299 |
return x0;
|
| 2300 |
} |
| 2301 |
} |
| 2302 |
|
| 2303 |
target_ulong helper_sdiv(target_ulong a, target_ulong b) |
| 2304 |
{
|
| 2305 |
int64_t x0; |
| 2306 |
int32_t x1; |
| 2307 |
|
| 2308 |
x0 = a | ((int64_t) (env->y) << 32);
|
| 2309 |
x1 = b; |
| 2310 |
|
| 2311 |
if (x1 == 0) { |
| 2312 |
raise_exception(TT_DIV_ZERO); |
| 2313 |
} |
| 2314 |
|
| 2315 |
x0 = x0 / x1; |
| 2316 |
if ((int32_t) x0 != x0) {
|
| 2317 |
env->cc_src2 = 1;
|
| 2318 |
return x0 < 0? 0x80000000: 0x7fffffff; |
| 2319 |
} else {
|
| 2320 |
env->cc_src2 = 0;
|
| 2321 |
return x0;
|
| 2322 |
} |
| 2323 |
} |
| 2324 |
|
| 2325 |
uint64_t helper_pack64(target_ulong high, target_ulong low) |
| 2326 |
{
|
| 2327 |
return ((uint64_t)high << 32) | (uint64_t)(low & 0xffffffff); |
| 2328 |
} |
| 2329 |
|
| 2330 |
void helper_stdf(target_ulong addr, int mem_idx) |
| 2331 |
{
|
| 2332 |
helper_check_align(addr, 7);
|
| 2333 |
#if !defined(CONFIG_USER_ONLY)
|
| 2334 |
switch (mem_idx) {
|
| 2335 |
case 0: |
| 2336 |
stfq_user(addr, DT0); |
| 2337 |
break;
|
| 2338 |
case 1: |
| 2339 |
stfq_kernel(addr, DT0); |
| 2340 |
break;
|
| 2341 |
#ifdef TARGET_SPARC64
|
| 2342 |
case 2: |
| 2343 |
stfq_hypv(addr, DT0); |
| 2344 |
break;
|
| 2345 |
#endif
|
| 2346 |
default:
|
| 2347 |
break;
|
| 2348 |
} |
| 2349 |
#else
|
| 2350 |
address_mask(env, &addr); |
| 2351 |
stfq_raw(addr, DT0); |
| 2352 |
#endif
|
| 2353 |
} |
| 2354 |
|
| 2355 |
void helper_lddf(target_ulong addr, int mem_idx) |
| 2356 |
{
|
| 2357 |
helper_check_align(addr, 7);
|
| 2358 |
#if !defined(CONFIG_USER_ONLY)
|
| 2359 |
switch (mem_idx) {
|
| 2360 |
case 0: |
| 2361 |
DT0 = ldfq_user(addr); |
| 2362 |
break;
|
| 2363 |
case 1: |
| 2364 |
DT0 = ldfq_kernel(addr); |
| 2365 |
break;
|
| 2366 |
#ifdef TARGET_SPARC64
|
| 2367 |
case 2: |
| 2368 |
DT0 = ldfq_hypv(addr); |
| 2369 |
break;
|
| 2370 |
#endif
|
| 2371 |
default:
|
| 2372 |
break;
|
| 2373 |
} |
| 2374 |
#else
|
| 2375 |
address_mask(env, &addr); |
| 2376 |
DT0 = ldfq_raw(addr); |
| 2377 |
#endif
|
| 2378 |
} |
| 2379 |
|
| 2380 |
void helper_ldqf(target_ulong addr, int mem_idx) |
| 2381 |
{
|
| 2382 |
// XXX add 128 bit load
|
| 2383 |
CPU_QuadU u; |
| 2384 |
|
| 2385 |
helper_check_align(addr, 7);
|
| 2386 |
#if !defined(CONFIG_USER_ONLY)
|
| 2387 |
switch (mem_idx) {
|
| 2388 |
case 0: |
| 2389 |
u.ll.upper = ldq_user(addr); |
| 2390 |
u.ll.lower = ldq_user(addr + 8);
|
| 2391 |
QT0 = u.q; |
| 2392 |
break;
|
| 2393 |
case 1: |
| 2394 |
u.ll.upper = ldq_kernel(addr); |
| 2395 |
u.ll.lower = ldq_kernel(addr + 8);
|
| 2396 |
QT0 = u.q; |
| 2397 |
break;
|
| 2398 |
#ifdef TARGET_SPARC64
|
| 2399 |
case 2: |
| 2400 |
u.ll.upper = ldq_hypv(addr); |
| 2401 |
u.ll.lower = ldq_hypv(addr + 8);
|
| 2402 |
QT0 = u.q; |
| 2403 |
break;
|
| 2404 |
#endif
|
| 2405 |
default:
|
| 2406 |
break;
|
| 2407 |
} |
| 2408 |
#else
|
| 2409 |
address_mask(env, &addr); |
| 2410 |
u.ll.upper = ldq_raw(addr); |
| 2411 |
u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL); |
| 2412 |
QT0 = u.q; |
| 2413 |
#endif
|
| 2414 |
} |
| 2415 |
|
| 2416 |
void helper_stqf(target_ulong addr, int mem_idx) |
| 2417 |
{
|
| 2418 |
// XXX add 128 bit store
|
| 2419 |
CPU_QuadU u; |
| 2420 |
|
| 2421 |
helper_check_align(addr, 7);
|
| 2422 |
#if !defined(CONFIG_USER_ONLY)
|
| 2423 |
switch (mem_idx) {
|
| 2424 |
case 0: |
| 2425 |
u.q = QT0; |
| 2426 |
stq_user(addr, u.ll.upper); |
| 2427 |
stq_user(addr + 8, u.ll.lower);
|
| 2428 |
break;
|
| 2429 |
case 1: |
| 2430 |
u.q = QT0; |
| 2431 |
stq_kernel(addr, u.ll.upper); |
| 2432 |
stq_kernel(addr + 8, u.ll.lower);
|
| 2433 |
break;
|
| 2434 |
#ifdef TARGET_SPARC64
|
| 2435 |
case 2: |
| 2436 |
u.q = QT0; |
| 2437 |
stq_hypv(addr, u.ll.upper); |
| 2438 |
stq_hypv(addr + 8, u.ll.lower);
|
| 2439 |
break;
|
| 2440 |
#endif
|
| 2441 |
default:
|
| 2442 |
break;
|
| 2443 |
} |
| 2444 |
#else
|
| 2445 |
u.q = QT0; |
| 2446 |
address_mask(env, &addr); |
| 2447 |
stq_raw(addr, u.ll.upper); |
| 2448 |
stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower); |
| 2449 |
#endif
|
| 2450 |
} |
| 2451 |
|
| 2452 |
void helper_ldfsr(void) |
| 2453 |
{
|
| 2454 |
int rnd_mode;
|
| 2455 |
|
| 2456 |
PUT_FSR32(env, *((uint32_t *) &FT0)); |
| 2457 |
switch (env->fsr & FSR_RD_MASK) {
|
| 2458 |
case FSR_RD_NEAREST:
|
| 2459 |
rnd_mode = float_round_nearest_even; |
| 2460 |
break;
|
| 2461 |
default:
|
| 2462 |
case FSR_RD_ZERO:
|
| 2463 |
rnd_mode = float_round_to_zero; |
| 2464 |
break;
|
| 2465 |
case FSR_RD_POS:
|
| 2466 |
rnd_mode = float_round_up; |
| 2467 |
break;
|
| 2468 |
case FSR_RD_NEG:
|
| 2469 |
rnd_mode = float_round_down; |
| 2470 |
break;
|
| 2471 |
} |
| 2472 |
set_float_rounding_mode(rnd_mode, &env->fp_status); |
| 2473 |
} |
| 2474 |
|
| 2475 |
void helper_stfsr(void) |
| 2476 |
{
|
| 2477 |
*((uint32_t *) &FT0) = GET_FSR32(env); |
| 2478 |
} |
| 2479 |
|
| 2480 |
void helper_debug(void) |
| 2481 |
{
|
| 2482 |
env->exception_index = EXCP_DEBUG; |
| 2483 |
cpu_loop_exit(); |
| 2484 |
} |
| 2485 |
|
| 2486 |
#ifndef TARGET_SPARC64
|
| 2487 |
/* XXX: use another pointer for %iN registers to avoid slow wrapping
|
| 2488 |
handling ? */
|
| 2489 |
void helper_save(void) |
| 2490 |
{
|
| 2491 |
uint32_t cwp; |
| 2492 |
|
| 2493 |
cwp = cpu_cwp_dec(env, env->cwp - 1);
|
| 2494 |
if (env->wim & (1 << cwp)) { |
| 2495 |
raise_exception(TT_WIN_OVF); |
| 2496 |
} |
| 2497 |
set_cwp(cwp); |
| 2498 |
} |
| 2499 |
|
| 2500 |
void helper_restore(void) |
| 2501 |
{
|
| 2502 |
uint32_t cwp; |
| 2503 |
|
| 2504 |
cwp = cpu_cwp_inc(env, env->cwp + 1);
|
| 2505 |
if (env->wim & (1 << cwp)) { |
| 2506 |
raise_exception(TT_WIN_UNF); |
| 2507 |
} |
| 2508 |
set_cwp(cwp); |
| 2509 |
} |
| 2510 |
|
| 2511 |
void helper_wrpsr(target_ulong new_psr)
|
| 2512 |
{
|
| 2513 |
if ((new_psr & PSR_CWP) >= env->nwindows)
|
| 2514 |
raise_exception(TT_ILL_INSN); |
| 2515 |
else
|
| 2516 |
PUT_PSR(env, new_psr); |
| 2517 |
} |
| 2518 |
|
| 2519 |
target_ulong helper_rdpsr(void)
|
| 2520 |
{
|
| 2521 |
return GET_PSR(env);
|
| 2522 |
} |
| 2523 |
|
| 2524 |
#else
|
| 2525 |
/* XXX: use another pointer for %iN registers to avoid slow wrapping
|
| 2526 |
handling ? */
|
| 2527 |
void helper_save(void) |
| 2528 |
{
|
| 2529 |
uint32_t cwp; |
| 2530 |
|
| 2531 |
cwp = cpu_cwp_dec(env, env->cwp - 1);
|
| 2532 |
if (env->cansave == 0) { |
| 2533 |
raise_exception(TT_SPILL | (env->otherwin != 0 ?
|
| 2534 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
| 2535 |
((env->wstate & 0x7) << 2))); |
| 2536 |
} else {
|
| 2537 |
if (env->cleanwin - env->canrestore == 0) { |
| 2538 |
// XXX Clean windows without trap
|
| 2539 |
raise_exception(TT_CLRWIN); |
| 2540 |
} else {
|
| 2541 |
env->cansave--; |
| 2542 |
env->canrestore++; |
| 2543 |
set_cwp(cwp); |
| 2544 |
} |
| 2545 |
} |
| 2546 |
} |
| 2547 |
|
| 2548 |
void helper_restore(void) |
| 2549 |
{
|
| 2550 |
uint32_t cwp; |
| 2551 |
|
| 2552 |
cwp = cpu_cwp_inc(env, env->cwp + 1);
|
| 2553 |
if (env->canrestore == 0) { |
| 2554 |
raise_exception(TT_FILL | (env->otherwin != 0 ?
|
| 2555 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
| 2556 |
((env->wstate & 0x7) << 2))); |
| 2557 |
} else {
|
| 2558 |
env->cansave++; |
| 2559 |
env->canrestore--; |
| 2560 |
set_cwp(cwp); |
| 2561 |
} |
| 2562 |
} |
| 2563 |
|
| 2564 |
void helper_flushw(void) |
| 2565 |
{
|
| 2566 |
if (env->cansave != env->nwindows - 2) { |
| 2567 |
raise_exception(TT_SPILL | (env->otherwin != 0 ?
|
| 2568 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
| 2569 |
((env->wstate & 0x7) << 2))); |
| 2570 |
} |
| 2571 |
} |
| 2572 |
|
| 2573 |
void helper_saved(void) |
| 2574 |
{
|
| 2575 |
env->cansave++; |
| 2576 |
if (env->otherwin == 0) |
| 2577 |
env->canrestore--; |
| 2578 |
else
|
| 2579 |
env->otherwin--; |
| 2580 |
} |
| 2581 |
|
| 2582 |
void helper_restored(void) |
| 2583 |
{
|
| 2584 |
env->canrestore++; |
| 2585 |
if (env->cleanwin < env->nwindows - 1) |
| 2586 |
env->cleanwin++; |
| 2587 |
if (env->otherwin == 0) |
| 2588 |
env->cansave--; |
| 2589 |
else
|
| 2590 |
env->otherwin--; |
| 2591 |
} |
| 2592 |
|
| 2593 |
target_ulong helper_rdccr(void)
|
| 2594 |
{
|
| 2595 |
return GET_CCR(env);
|
| 2596 |
} |
| 2597 |
|
| 2598 |
void helper_wrccr(target_ulong new_ccr)
|
| 2599 |
{
|
| 2600 |
PUT_CCR(env, new_ccr); |
| 2601 |
} |
| 2602 |
|
| 2603 |
// CWP handling is reversed in V9, but we still use the V8 register
|
| 2604 |
// order.
|
| 2605 |
target_ulong helper_rdcwp(void)
|
| 2606 |
{
|
| 2607 |
return GET_CWP64(env);
|
| 2608 |
} |
| 2609 |
|
| 2610 |
void helper_wrcwp(target_ulong new_cwp)
|
| 2611 |
{
|
| 2612 |
PUT_CWP64(env, new_cwp); |
| 2613 |
} |
| 2614 |
|
| 2615 |
// This function uses non-native bit order
|
| 2616 |
#define GET_FIELD(X, FROM, TO) \
|
| 2617 |
((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1)) |
| 2618 |
|
| 2619 |
// This function uses the order in the manuals, i.e. bit 0 is 2^0
|
| 2620 |
#define GET_FIELD_SP(X, FROM, TO) \
|
| 2621 |
GET_FIELD(X, 63 - (TO), 63 - (FROM)) |
| 2622 |
|
| 2623 |
target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize) |
| 2624 |
{
|
| 2625 |
return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) | |
| 2626 |
(GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) | |
| 2627 |
(GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) | |
| 2628 |
(GET_FIELD_SP(pixel_addr, 56, 59) << 13) | |
| 2629 |
(GET_FIELD_SP(pixel_addr, 35, 38) << 9) | |
| 2630 |
(GET_FIELD_SP(pixel_addr, 13, 16) << 5) | |
| 2631 |
(((pixel_addr >> 55) & 1) << 4) | |
| 2632 |
(GET_FIELD_SP(pixel_addr, 33, 34) << 2) | |
| 2633 |
GET_FIELD_SP(pixel_addr, 11, 12); |
| 2634 |
} |
| 2635 |
|
| 2636 |
target_ulong helper_alignaddr(target_ulong addr, target_ulong offset) |
| 2637 |
{
|
| 2638 |
uint64_t tmp; |
| 2639 |
|
| 2640 |
tmp = addr + offset; |
| 2641 |
env->gsr &= ~7ULL;
|
| 2642 |
env->gsr |= tmp & 7ULL;
|
| 2643 |
return tmp & ~7ULL; |
| 2644 |
} |
| 2645 |
|
| 2646 |
target_ulong helper_popc(target_ulong val) |
| 2647 |
{
|
| 2648 |
return ctpop64(val);
|
| 2649 |
} |
| 2650 |
|
| 2651 |
static inline uint64_t *get_gregset(uint64_t pstate) |
| 2652 |
{
|
| 2653 |
switch (pstate) {
|
| 2654 |
default:
|
| 2655 |
case 0: |
| 2656 |
return env->bgregs;
|
| 2657 |
case PS_AG:
|
| 2658 |
return env->agregs;
|
| 2659 |
case PS_MG:
|
| 2660 |
return env->mgregs;
|
| 2661 |
case PS_IG:
|
| 2662 |
return env->igregs;
|
| 2663 |
} |
| 2664 |
} |
| 2665 |
|
| 2666 |
void change_pstate(uint64_t new_pstate)
|
| 2667 |
{
|
| 2668 |
uint64_t pstate_regs, new_pstate_regs; |
| 2669 |
uint64_t *src, *dst; |
| 2670 |
|
| 2671 |
pstate_regs = env->pstate & 0xc01;
|
| 2672 |
new_pstate_regs = new_pstate & 0xc01;
|
| 2673 |
if (new_pstate_regs != pstate_regs) {
|
| 2674 |
// Switch global register bank
|
| 2675 |
src = get_gregset(new_pstate_regs); |
| 2676 |
dst = get_gregset(pstate_regs); |
| 2677 |
memcpy32(dst, env->gregs); |
| 2678 |
memcpy32(env->gregs, src); |
| 2679 |
} |
| 2680 |
env->pstate = new_pstate; |
| 2681 |
} |
| 2682 |
|
| 2683 |
void helper_wrpstate(target_ulong new_state)
|
| 2684 |
{
|
| 2685 |
if (!(env->features & CPU_FEATURE_GL))
|
| 2686 |
change_pstate(new_state & 0xf3f);
|
| 2687 |
} |
| 2688 |
|
| 2689 |
void helper_done(void) |
| 2690 |
{
|
| 2691 |
env->pc = env->tsptr->tpc; |
| 2692 |
env->npc = env->tsptr->tnpc + 4;
|
| 2693 |
PUT_CCR(env, env->tsptr->tstate >> 32);
|
| 2694 |
env->asi = (env->tsptr->tstate >> 24) & 0xff; |
| 2695 |
change_pstate((env->tsptr->tstate >> 8) & 0xf3f); |
| 2696 |
PUT_CWP64(env, env->tsptr->tstate & 0xff);
|
| 2697 |
env->tl--; |
| 2698 |
env->tsptr = &env->ts[env->tl & MAXTL_MASK]; |
| 2699 |
} |
| 2700 |
|
| 2701 |
void helper_retry(void) |
| 2702 |
{
|
| 2703 |
env->pc = env->tsptr->tpc; |
| 2704 |
env->npc = env->tsptr->tnpc; |
| 2705 |
PUT_CCR(env, env->tsptr->tstate >> 32);
|
| 2706 |
env->asi = (env->tsptr->tstate >> 24) & 0xff; |
| 2707 |
change_pstate((env->tsptr->tstate >> 8) & 0xf3f); |
| 2708 |
PUT_CWP64(env, env->tsptr->tstate & 0xff);
|
| 2709 |
env->tl--; |
| 2710 |
env->tsptr = &env->ts[env->tl & MAXTL_MASK]; |
| 2711 |
} |
| 2712 |
#endif
|
| 2713 |
|
| 2714 |
void cpu_set_cwp(CPUState *env1, int new_cwp) |
| 2715 |
{
|
| 2716 |
/* put the modified wrap registers at their proper location */
|
| 2717 |
if (env1->cwp == env1->nwindows - 1) |
| 2718 |
memcpy32(env1->regbase, env1->regbase + env1->nwindows * 16);
|
| 2719 |
env1->cwp = new_cwp; |
| 2720 |
/* put the wrap registers at their temporary location */
|
| 2721 |
if (new_cwp == env1->nwindows - 1) |
| 2722 |
memcpy32(env1->regbase + env1->nwindows * 16, env1->regbase);
|
| 2723 |
env1->regwptr = env1->regbase + (new_cwp * 16);
|
| 2724 |
} |
| 2725 |
|
| 2726 |
void set_cwp(int new_cwp) |
| 2727 |
{
|
| 2728 |
cpu_set_cwp(env, new_cwp); |
| 2729 |
} |
| 2730 |
|
| 2731 |
void helper_flush(target_ulong addr)
|
| 2732 |
{
|
| 2733 |
addr &= ~7;
|
| 2734 |
tb_invalidate_page_range(addr, addr + 8);
|
| 2735 |
} |
| 2736 |
|
| 2737 |
#if !defined(CONFIG_USER_ONLY)
|
| 2738 |
|
| 2739 |
static void do_unaligned_access(target_ulong addr, int is_write, int is_user, |
| 2740 |
void *retaddr);
|
| 2741 |
|
| 2742 |
#define MMUSUFFIX _mmu
|
| 2743 |
#define ALIGNED_ONLY
|
| 2744 |
|
| 2745 |
#define SHIFT 0 |
| 2746 |
#include "softmmu_template.h" |
| 2747 |
|
| 2748 |
#define SHIFT 1 |
| 2749 |
#include "softmmu_template.h" |
| 2750 |
|
| 2751 |
#define SHIFT 2 |
| 2752 |
#include "softmmu_template.h" |
| 2753 |
|
| 2754 |
#define SHIFT 3 |
| 2755 |
#include "softmmu_template.h" |
| 2756 |
|
| 2757 |
/* XXX: make it generic ? */
|
| 2758 |
static void cpu_restore_state2(void *retaddr) |
| 2759 |
{
|
| 2760 |
TranslationBlock *tb; |
| 2761 |
unsigned long pc; |
| 2762 |
|
| 2763 |
if (retaddr) {
|
| 2764 |
/* now we have a real cpu fault */
|
| 2765 |
pc = (unsigned long)retaddr; |
| 2766 |
tb = tb_find_pc(pc); |
| 2767 |
if (tb) {
|
| 2768 |
/* the PC is inside the translated code. It means that we have
|
| 2769 |
a virtual CPU fault */
|
| 2770 |
cpu_restore_state(tb, env, pc, (void *)(long)env->cond); |
| 2771 |
} |
| 2772 |
} |
| 2773 |
} |
| 2774 |
|
| 2775 |
static void do_unaligned_access(target_ulong addr, int is_write, int is_user, |
| 2776 |
void *retaddr)
|
| 2777 |
{
|
| 2778 |
#ifdef DEBUG_UNALIGNED
|
| 2779 |
printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx |
| 2780 |
"\n", addr, env->pc);
|
| 2781 |
#endif
|
| 2782 |
cpu_restore_state2(retaddr); |
| 2783 |
raise_exception(TT_UNALIGNED); |
| 2784 |
} |
| 2785 |
|
| 2786 |
/* try to fill the TLB and return an exception if error. If retaddr is
|
| 2787 |
NULL, it means that the function was called in C code (i.e. not
|
| 2788 |
from generated code or from helper.c) */
|
| 2789 |
/* XXX: fix it to restore all registers */
|
| 2790 |
void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr) |
| 2791 |
{
|
| 2792 |
int ret;
|
| 2793 |
CPUState *saved_env; |
| 2794 |
|
| 2795 |
/* XXX: hack to restore env in all cases, even if not called from
|
| 2796 |
generated code */
|
| 2797 |
saved_env = env; |
| 2798 |
env = cpu_single_env; |
| 2799 |
|
| 2800 |
ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
|
| 2801 |
if (ret) {
|
| 2802 |
cpu_restore_state2(retaddr); |
| 2803 |
cpu_loop_exit(); |
| 2804 |
} |
| 2805 |
env = saved_env; |
| 2806 |
} |
| 2807 |
|
| 2808 |
#endif
|
| 2809 |
|
| 2810 |
#ifndef TARGET_SPARC64
|
| 2811 |
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
| 2812 |
int is_asi)
|
| 2813 |
{
|
| 2814 |
CPUState *saved_env; |
| 2815 |
|
| 2816 |
/* XXX: hack to restore env in all cases, even if not called from
|
| 2817 |
generated code */
|
| 2818 |
saved_env = env; |
| 2819 |
env = cpu_single_env; |
| 2820 |
#ifdef DEBUG_UNASSIGNED
|
| 2821 |
if (is_asi)
|
| 2822 |
printf("Unassigned mem %s access to " TARGET_FMT_plx
|
| 2823 |
" asi 0x%02x from " TARGET_FMT_lx "\n", |
| 2824 |
is_exec ? "exec" : is_write ? "write" : "read", addr, is_asi, |
| 2825 |
env->pc); |
| 2826 |
else
|
| 2827 |
printf("Unassigned mem %s access to " TARGET_FMT_plx " from " |
| 2828 |
TARGET_FMT_lx "\n",
|
| 2829 |
is_exec ? "exec" : is_write ? "write" : "read", addr, env->pc); |
| 2830 |
#endif
|
| 2831 |
if (env->mmuregs[3]) /* Fault status register */ |
| 2832 |
env->mmuregs[3] = 1; /* overflow (not read before another fault) */ |
| 2833 |
if (is_asi)
|
| 2834 |
env->mmuregs[3] |= 1 << 16; |
| 2835 |
if (env->psrs)
|
| 2836 |
env->mmuregs[3] |= 1 << 5; |
| 2837 |
if (is_exec)
|
| 2838 |
env->mmuregs[3] |= 1 << 6; |
| 2839 |
if (is_write)
|
| 2840 |
env->mmuregs[3] |= 1 << 7; |
| 2841 |
env->mmuregs[3] |= (5 << 2) | 2; |
| 2842 |
env->mmuregs[4] = addr; /* Fault address register */ |
| 2843 |
if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) { |
| 2844 |
if (is_exec)
|
| 2845 |
raise_exception(TT_CODE_ACCESS); |
| 2846 |
else
|
| 2847 |
raise_exception(TT_DATA_ACCESS); |
| 2848 |
} |
| 2849 |
env = saved_env; |
| 2850 |
} |
| 2851 |
#else
|
| 2852 |
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
| 2853 |
int is_asi)
|
| 2854 |
{
|
| 2855 |
#ifdef DEBUG_UNASSIGNED
|
| 2856 |
CPUState *saved_env; |
| 2857 |
|
| 2858 |
/* XXX: hack to restore env in all cases, even if not called from
|
| 2859 |
generated code */
|
| 2860 |
saved_env = env; |
| 2861 |
env = cpu_single_env; |
| 2862 |
printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx |
| 2863 |
"\n", addr, env->pc);
|
| 2864 |
env = saved_env; |
| 2865 |
#endif
|
| 2866 |
if (is_exec)
|
| 2867 |
raise_exception(TT_CODE_ACCESS); |
| 2868 |
else
|
| 2869 |
raise_exception(TT_DATA_ACCESS); |
| 2870 |
} |
| 2871 |
#endif
|
| 2872 |
|