root / target-sparc / op_helper.c @ e2ea21b3
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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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|
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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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static inline void set_cwp(int new_cwp) |
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{ |
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cpu_set_cwp(env, new_cwp); |
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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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float32 helper_f ## name ## s (float32 src1, float32 src2) \ |
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{ \ |
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return float32_ ## name (src1, src2, &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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|
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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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float32 helper_fnegs(float32 src) |
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{ |
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return float32_chs(src);
|
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} |
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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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|
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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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float32 helper_fitos(int32_t src) |
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{ |
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return int32_to_float32(src, &env->fp_status);
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} |
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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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|
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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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|
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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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|
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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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|
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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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int32_t helper_fstoi(float32 src) |
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{ |
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return float32_to_int32_round_to_zero(src, &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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|
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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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#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)] |
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#define VIS_SW64(n) sw[3 - (n)] |
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#define VIS_L64(n) l[1 - (n)] |
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#define VIS_B32(n) b[3 - (n)] |
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#define VIS_W32(n) w[1 - (n)] |
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#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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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; |
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|
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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; |
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float32 f; |
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} vis32; |
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|
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void helper_fpmerge(void) |
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{ |
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vis64 s, d; |
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s.d = DT0; |
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d.d = DT1; |
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// Reverse calculation order to handle overlap
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d.VIS_B64(7) = s.VIS_B64(3); |
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d.VIS_B64(6) = d.VIS_B64(3); |
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d.VIS_B64(5) = s.VIS_B64(2); |
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d.VIS_B64(4) = d.VIS_B64(2); |
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d.VIS_B64(3) = s.VIS_B64(1); |
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d.VIS_B64(2) = d.VIS_B64(1); |
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d.VIS_B64(1) = s.VIS_B64(0); |
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//d.VIS_B64(0) = d.VIS_B64(0);
|
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DT0 = d.d; |
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} |
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|
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void helper_fmul8x16(void) |
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{ |
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vis64 s, d; |
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uint32_t tmp; |
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|
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s.d = DT0; |
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d.d = DT1; |
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|
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#define PMUL(r) \
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tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \ |
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if ((tmp & 0xff) > 0x7f) \ |
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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);
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PMUL(3);
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#undef PMUL
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|
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DT0 = d.d; |
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} |
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|
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void helper_fmul8x16al(void) |
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{ |
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vis64 s, d; |
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uint32_t tmp; |
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|
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s.d = DT0; |
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d.d = DT1; |
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|
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#define PMUL(r) \
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tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \
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if ((tmp & 0xff) > 0x7f) \ |
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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);
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PMUL(3);
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#undef PMUL
|
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|
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DT0 = d.d; |
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} |
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|
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void helper_fmul8x16au(void) |
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{ |
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vis64 s, d; |
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uint32_t tmp; |
350 |
|
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s.d = DT0; |
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d.d = DT1; |
353 |
|
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#define PMUL(r) \
|
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tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
|
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if ((tmp & 0xff) > 0x7f) \ |
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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);
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PMUL(3);
|
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#undef PMUL
|
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|
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DT0 = d.d; |
367 |
} |
368 |
|
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void helper_fmul8sux16(void) |
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{ |
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vis64 s, d; |
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uint32_t tmp; |
373 |
|
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s.d = DT0; |
375 |
d.d = DT1; |
376 |
|
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#define PMUL(r) \
|
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tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
|
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if ((tmp & 0xff) > 0x7f) \ |
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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);
|
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PMUL(3);
|
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#undef PMUL
|
388 |
|
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DT0 = d.d; |
390 |
} |
391 |
|
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void helper_fmul8ulx16(void) |
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{ |
394 |
vis64 s, d; |
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uint32_t tmp; |
396 |
|
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s.d = DT0; |
398 |
d.d = DT1; |
399 |
|
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#define PMUL(r) \
|
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tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
|
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if ((tmp & 0xff) > 0x7f) \ |
403 |
tmp += 0x100; \
|
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d.VIS_W64(r) = tmp >> 8;
|
405 |
|
406 |
PMUL(0);
|
407 |
PMUL(1);
|
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PMUL(2);
|
409 |
PMUL(3);
|
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#undef PMUL
|
411 |
|
412 |
DT0 = d.d; |
413 |
} |
414 |
|
415 |
void helper_fmuld8sux16(void) |
416 |
{ |
417 |
vis64 s, d; |
418 |
uint32_t tmp; |
419 |
|
420 |
s.d = DT0; |
421 |
d.d = DT1; |
422 |
|
423 |
#define PMUL(r) \
|
424 |
tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
|
425 |
if ((tmp & 0xff) > 0x7f) \ |
426 |
tmp += 0x100; \
|
427 |
d.VIS_L64(r) = tmp; |
428 |
|
429 |
// Reverse calculation order to handle overlap
|
430 |
PMUL(1);
|
431 |
PMUL(0);
|
432 |
#undef PMUL
|
433 |
|
434 |
DT0 = d.d; |
435 |
} |
436 |
|
437 |
void helper_fmuld8ulx16(void) |
438 |
{ |
439 |
vis64 s, d; |
440 |
uint32_t tmp; |
441 |
|
442 |
s.d = DT0; |
443 |
d.d = DT1; |
444 |
|
445 |
#define PMUL(r) \
|
446 |
tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
|
447 |
if ((tmp & 0xff) > 0x7f) \ |
448 |
tmp += 0x100; \
|
449 |
d.VIS_L64(r) = tmp; |
450 |
|
451 |
// Reverse calculation order to handle overlap
|
452 |
PMUL(1);
|
453 |
PMUL(0);
|
454 |
#undef PMUL
|
455 |
|
456 |
DT0 = d.d; |
457 |
} |
458 |
|
459 |
void helper_fexpand(void) |
460 |
{ |
461 |
vis32 s; |
462 |
vis64 d; |
463 |
|
464 |
s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
|
465 |
d.d = DT1; |
466 |
d.VIS_L64(0) = s.VIS_W32(0) << 4; |
467 |
d.VIS_L64(1) = s.VIS_W32(1) << 4; |
468 |
d.VIS_L64(2) = s.VIS_W32(2) << 4; |
469 |
d.VIS_L64(3) = s.VIS_W32(3) << 4; |
470 |
|
471 |
DT0 = d.d; |
472 |
} |
473 |
|
474 |
#define VIS_HELPER(name, F) \
|
475 |
void name##16(void) \ |
476 |
{ \ |
477 |
vis64 s, d; \ |
478 |
\ |
479 |
s.d = DT0; \ |
480 |
d.d = DT1; \ |
481 |
\ |
482 |
d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \ |
483 |
d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \ |
484 |
d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \ |
485 |
d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \ |
486 |
\ |
487 |
DT0 = d.d; \ |
488 |
} \ |
489 |
\ |
490 |
uint32_t name##16s(uint32_t src1, uint32_t src2) \ |
491 |
{ \ |
492 |
vis32 s, d; \ |
493 |
\ |
494 |
s.l = src1; \ |
495 |
d.l = src2; \ |
496 |
\ |
497 |
d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \ |
498 |
d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \ |
499 |
\ |
500 |
return d.l; \
|
501 |
} \ |
502 |
\ |
503 |
void name##32(void) \ |
504 |
{ \ |
505 |
vis64 s, d; \ |
506 |
\ |
507 |
s.d = DT0; \ |
508 |
d.d = DT1; \ |
509 |
\ |
510 |
d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \ |
511 |
d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \ |
512 |
\ |
513 |
DT0 = d.d; \ |
514 |
} \ |
515 |
\ |
516 |
uint32_t name##32s(uint32_t src1, uint32_t src2) \ |
517 |
{ \ |
518 |
vis32 s, d; \ |
519 |
\ |
520 |
s.l = src1; \ |
521 |
d.l = src2; \ |
522 |
\ |
523 |
d.l = F(d.l, s.l); \ |
524 |
\ |
525 |
return d.l; \
|
526 |
} |
527 |
|
528 |
#define FADD(a, b) ((a) + (b))
|
529 |
#define FSUB(a, b) ((a) - (b))
|
530 |
VIS_HELPER(helper_fpadd, FADD) |
531 |
VIS_HELPER(helper_fpsub, FSUB) |
532 |
|
533 |
#define VIS_CMPHELPER(name, F) \
|
534 |
void name##16(void) \ |
535 |
{ \ |
536 |
vis64 s, d; \ |
537 |
\ |
538 |
s.d = DT0; \ |
539 |
d.d = DT1; \ |
540 |
\ |
541 |
d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0))? 1: 0; \ |
542 |
d.VIS_W64(0) |= F(d.VIS_W64(1), s.VIS_W64(1))? 2: 0; \ |
543 |
d.VIS_W64(0) |= F(d.VIS_W64(2), s.VIS_W64(2))? 4: 0; \ |
544 |
d.VIS_W64(0) |= F(d.VIS_W64(3), s.VIS_W64(3))? 8: 0; \ |
545 |
\ |
546 |
DT0 = d.d; \ |
547 |
} \ |
548 |
\ |
549 |
void name##32(void) \ |
550 |
{ \ |
551 |
vis64 s, d; \ |
552 |
\ |
553 |
s.d = DT0; \ |
554 |
d.d = DT1; \ |
555 |
\ |
556 |
d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0))? 1: 0; \ |
557 |
d.VIS_L64(0) |= F(d.VIS_L64(1), s.VIS_L64(1))? 2: 0; \ |
558 |
\ |
559 |
DT0 = d.d; \ |
560 |
} |
561 |
|
562 |
#define FCMPGT(a, b) ((a) > (b))
|
563 |
#define FCMPEQ(a, b) ((a) == (b))
|
564 |
#define FCMPLE(a, b) ((a) <= (b))
|
565 |
#define FCMPNE(a, b) ((a) != (b))
|
566 |
|
567 |
VIS_CMPHELPER(helper_fcmpgt, FCMPGT) |
568 |
VIS_CMPHELPER(helper_fcmpeq, FCMPEQ) |
569 |
VIS_CMPHELPER(helper_fcmple, FCMPLE) |
570 |
VIS_CMPHELPER(helper_fcmpne, FCMPNE) |
571 |
#endif
|
572 |
|
573 |
void helper_check_ieee_exceptions(void) |
574 |
{ |
575 |
target_ulong status; |
576 |
|
577 |
status = get_float_exception_flags(&env->fp_status); |
578 |
if (status) {
|
579 |
/* Copy IEEE 754 flags into FSR */
|
580 |
if (status & float_flag_invalid)
|
581 |
env->fsr |= FSR_NVC; |
582 |
if (status & float_flag_overflow)
|
583 |
env->fsr |= FSR_OFC; |
584 |
if (status & float_flag_underflow)
|
585 |
env->fsr |= FSR_UFC; |
586 |
if (status & float_flag_divbyzero)
|
587 |
env->fsr |= FSR_DZC; |
588 |
if (status & float_flag_inexact)
|
589 |
env->fsr |= FSR_NXC; |
590 |
|
591 |
if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) { |
592 |
/* Unmasked exception, generate a trap */
|
593 |
env->fsr |= FSR_FTT_IEEE_EXCP; |
594 |
raise_exception(TT_FP_EXCP); |
595 |
} else {
|
596 |
/* Accumulate exceptions */
|
597 |
env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5;
|
598 |
} |
599 |
} |
600 |
} |
601 |
|
602 |
void helper_clear_float_exceptions(void) |
603 |
{ |
604 |
set_float_exception_flags(0, &env->fp_status);
|
605 |
} |
606 |
|
607 |
float32 helper_fabss(float32 src) |
608 |
{ |
609 |
return float32_abs(src);
|
610 |
} |
611 |
|
612 |
#ifdef TARGET_SPARC64
|
613 |
void helper_fabsd(void) |
614 |
{ |
615 |
DT0 = float64_abs(DT1); |
616 |
} |
617 |
|
618 |
void helper_fabsq(void) |
619 |
{ |
620 |
QT0 = float128_abs(QT1); |
621 |
} |
622 |
#endif
|
623 |
|
624 |
float32 helper_fsqrts(float32 src) |
625 |
{ |
626 |
return float32_sqrt(src, &env->fp_status);
|
627 |
} |
628 |
|
629 |
void helper_fsqrtd(void) |
630 |
{ |
631 |
DT0 = float64_sqrt(DT1, &env->fp_status); |
632 |
} |
633 |
|
634 |
void helper_fsqrtq(void) |
635 |
{ |
636 |
QT0 = float128_sqrt(QT1, &env->fp_status); |
637 |
} |
638 |
|
639 |
#define GEN_FCMP(name, size, reg1, reg2, FS, TRAP) \
|
640 |
void glue(helper_, name) (void) \ |
641 |
{ \ |
642 |
target_ulong new_fsr; \ |
643 |
\ |
644 |
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \ |
645 |
switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
|
646 |
case float_relation_unordered: \
|
647 |
new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \ |
648 |
if ((env->fsr & FSR_NVM) || TRAP) { \
|
649 |
env->fsr |= new_fsr; \ |
650 |
env->fsr |= FSR_NVC; \ |
651 |
env->fsr |= FSR_FTT_IEEE_EXCP; \ |
652 |
raise_exception(TT_FP_EXCP); \ |
653 |
} else { \
|
654 |
env->fsr |= FSR_NVA; \ |
655 |
} \ |
656 |
break; \
|
657 |
case float_relation_less: \
|
658 |
new_fsr = FSR_FCC0 << FS; \ |
659 |
break; \
|
660 |
case float_relation_greater: \
|
661 |
new_fsr = FSR_FCC1 << FS; \ |
662 |
break; \
|
663 |
default: \
|
664 |
new_fsr = 0; \
|
665 |
break; \
|
666 |
} \ |
667 |
env->fsr |= new_fsr; \ |
668 |
} |
669 |
#define GEN_FCMPS(name, size, FS, TRAP) \
|
670 |
void glue(helper_, name)(float32 src1, float32 src2) \
|
671 |
{ \ |
672 |
target_ulong new_fsr; \ |
673 |
\ |
674 |
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \ |
675 |
switch (glue(size, _compare) (src1, src2, &env->fp_status)) { \
|
676 |
case float_relation_unordered: \
|
677 |
new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \ |
678 |
if ((env->fsr & FSR_NVM) || TRAP) { \
|
679 |
env->fsr |= new_fsr; \ |
680 |
env->fsr |= FSR_NVC; \ |
681 |
env->fsr |= FSR_FTT_IEEE_EXCP; \ |
682 |
raise_exception(TT_FP_EXCP); \ |
683 |
} else { \
|
684 |
env->fsr |= FSR_NVA; \ |
685 |
} \ |
686 |
break; \
|
687 |
case float_relation_less: \
|
688 |
new_fsr = FSR_FCC0 << FS; \ |
689 |
break; \
|
690 |
case float_relation_greater: \
|
691 |
new_fsr = FSR_FCC1 << FS; \ |
692 |
break; \
|
693 |
default: \
|
694 |
new_fsr = 0; \
|
695 |
break; \
|
696 |
} \ |
697 |
env->fsr |= new_fsr; \ |
698 |
} |
699 |
|
700 |
GEN_FCMPS(fcmps, float32, 0, 0); |
701 |
GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0); |
702 |
|
703 |
GEN_FCMPS(fcmpes, float32, 0, 1); |
704 |
GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1); |
705 |
|
706 |
GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0); |
707 |
GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1); |
708 |
|
709 |
#ifdef TARGET_SPARC64
|
710 |
GEN_FCMPS(fcmps_fcc1, float32, 22, 0); |
711 |
GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0); |
712 |
GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0); |
713 |
|
714 |
GEN_FCMPS(fcmps_fcc2, float32, 24, 0); |
715 |
GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0); |
716 |
GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0); |
717 |
|
718 |
GEN_FCMPS(fcmps_fcc3, float32, 26, 0); |
719 |
GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0); |
720 |
GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0); |
721 |
|
722 |
GEN_FCMPS(fcmpes_fcc1, float32, 22, 1); |
723 |
GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1); |
724 |
GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1); |
725 |
|
726 |
GEN_FCMPS(fcmpes_fcc2, float32, 24, 1); |
727 |
GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1); |
728 |
GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1); |
729 |
|
730 |
GEN_FCMPS(fcmpes_fcc3, float32, 26, 1); |
731 |
GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1); |
732 |
GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1); |
733 |
#endif
|
734 |
#undef GEN_FCMPS
|
735 |
|
736 |
#if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
|
737 |
defined(DEBUG_MXCC) |
738 |
static void dump_mxcc(CPUState *env) |
739 |
{ |
740 |
printf("mxccdata: %016llx %016llx %016llx %016llx\n",
|
741 |
env->mxccdata[0], env->mxccdata[1], |
742 |
env->mxccdata[2], env->mxccdata[3]); |
743 |
printf("mxccregs: %016llx %016llx %016llx %016llx\n"
|
744 |
" %016llx %016llx %016llx %016llx\n",
|
745 |
env->mxccregs[0], env->mxccregs[1], |
746 |
env->mxccregs[2], env->mxccregs[3], |
747 |
env->mxccregs[4], env->mxccregs[5], |
748 |
env->mxccregs[6], env->mxccregs[7]); |
749 |
} |
750 |
#endif
|
751 |
|
752 |
#if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
|
753 |
&& defined(DEBUG_ASI) |
754 |
static void dump_asi(const char *txt, target_ulong addr, int asi, int size, |
755 |
uint64_t r1) |
756 |
{ |
757 |
switch (size)
|
758 |
{ |
759 |
case 1: |
760 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt, |
761 |
addr, asi, r1 & 0xff);
|
762 |
break;
|
763 |
case 2: |
764 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt, |
765 |
addr, asi, r1 & 0xffff);
|
766 |
break;
|
767 |
case 4: |
768 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt, |
769 |
addr, asi, r1 & 0xffffffff);
|
770 |
break;
|
771 |
case 8: |
772 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt, |
773 |
addr, asi, r1); |
774 |
break;
|
775 |
} |
776 |
} |
777 |
#endif
|
778 |
|
779 |
#ifndef TARGET_SPARC64
|
780 |
#ifndef CONFIG_USER_ONLY
|
781 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
782 |
{ |
783 |
uint64_t ret = 0;
|
784 |
#if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
|
785 |
uint32_t last_addr = addr; |
786 |
#endif
|
787 |
|
788 |
helper_check_align(addr, size - 1);
|
789 |
switch (asi) {
|
790 |
case 2: /* SuperSparc MXCC registers */ |
791 |
switch (addr) {
|
792 |
case 0x01c00a00: /* MXCC control register */ |
793 |
if (size == 8) |
794 |
ret = env->mxccregs[3];
|
795 |
else
|
796 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
797 |
size); |
798 |
break;
|
799 |
case 0x01c00a04: /* MXCC control register */ |
800 |
if (size == 4) |
801 |
ret = env->mxccregs[3];
|
802 |
else
|
803 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
804 |
size); |
805 |
break;
|
806 |
case 0x01c00c00: /* Module reset register */ |
807 |
if (size == 8) { |
808 |
ret = env->mxccregs[5];
|
809 |
// should we do something here?
|
810 |
} else
|
811 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
812 |
size); |
813 |
break;
|
814 |
case 0x01c00f00: /* MBus port address register */ |
815 |
if (size == 8) |
816 |
ret = env->mxccregs[7];
|
817 |
else
|
818 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
819 |
size); |
820 |
break;
|
821 |
default:
|
822 |
DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
|
823 |
size); |
824 |
break;
|
825 |
} |
826 |
DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
|
827 |
"addr = %08x -> ret = %08x,"
|
828 |
"addr = %08x\n", asi, size, sign, last_addr, ret, addr);
|
829 |
#ifdef DEBUG_MXCC
|
830 |
dump_mxcc(env); |
831 |
#endif
|
832 |
break;
|
833 |
case 3: /* MMU probe */ |
834 |
{ |
835 |
int mmulev;
|
836 |
|
837 |
mmulev = (addr >> 8) & 15; |
838 |
if (mmulev > 4) |
839 |
ret = 0;
|
840 |
else
|
841 |
ret = mmu_probe(env, addr, mmulev); |
842 |
DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n", |
843 |
addr, mmulev, ret); |
844 |
} |
845 |
break;
|
846 |
case 4: /* read MMU regs */ |
847 |
{ |
848 |
int reg = (addr >> 8) & 0x1f; |
849 |
|
850 |
ret = env->mmuregs[reg]; |
851 |
if (reg == 3) /* Fault status cleared on read */ |
852 |
env->mmuregs[3] = 0; |
853 |
else if (reg == 0x13) /* Fault status read */ |
854 |
ret = env->mmuregs[3];
|
855 |
else if (reg == 0x14) /* Fault address read */ |
856 |
ret = env->mmuregs[4];
|
857 |
DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret); |
858 |
} |
859 |
break;
|
860 |
case 5: // Turbosparc ITLB Diagnostic |
861 |
case 6: // Turbosparc DTLB Diagnostic |
862 |
case 7: // Turbosparc IOTLB Diagnostic |
863 |
break;
|
864 |
case 9: /* Supervisor code access */ |
865 |
switch(size) {
|
866 |
case 1: |
867 |
ret = ldub_code(addr); |
868 |
break;
|
869 |
case 2: |
870 |
ret = lduw_code(addr); |
871 |
break;
|
872 |
default:
|
873 |
case 4: |
874 |
ret = ldl_code(addr); |
875 |
break;
|
876 |
case 8: |
877 |
ret = ldq_code(addr); |
878 |
break;
|
879 |
} |
880 |
break;
|
881 |
case 0xa: /* User data access */ |
882 |
switch(size) {
|
883 |
case 1: |
884 |
ret = ldub_user(addr); |
885 |
break;
|
886 |
case 2: |
887 |
ret = lduw_user(addr); |
888 |
break;
|
889 |
default:
|
890 |
case 4: |
891 |
ret = ldl_user(addr); |
892 |
break;
|
893 |
case 8: |
894 |
ret = ldq_user(addr); |
895 |
break;
|
896 |
} |
897 |
break;
|
898 |
case 0xb: /* Supervisor data access */ |
899 |
switch(size) {
|
900 |
case 1: |
901 |
ret = ldub_kernel(addr); |
902 |
break;
|
903 |
case 2: |
904 |
ret = lduw_kernel(addr); |
905 |
break;
|
906 |
default:
|
907 |
case 4: |
908 |
ret = ldl_kernel(addr); |
909 |
break;
|
910 |
case 8: |
911 |
ret = ldq_kernel(addr); |
912 |
break;
|
913 |
} |
914 |
break;
|
915 |
case 0xc: /* I-cache tag */ |
916 |
case 0xd: /* I-cache data */ |
917 |
case 0xe: /* D-cache tag */ |
918 |
case 0xf: /* D-cache data */ |
919 |
break;
|
920 |
case 0x20: /* MMU passthrough */ |
921 |
switch(size) {
|
922 |
case 1: |
923 |
ret = ldub_phys(addr); |
924 |
break;
|
925 |
case 2: |
926 |
ret = lduw_phys(addr); |
927 |
break;
|
928 |
default:
|
929 |
case 4: |
930 |
ret = ldl_phys(addr); |
931 |
break;
|
932 |
case 8: |
933 |
ret = ldq_phys(addr); |
934 |
break;
|
935 |
} |
936 |
break;
|
937 |
case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */ |
938 |
switch(size) {
|
939 |
case 1: |
940 |
ret = ldub_phys((target_phys_addr_t)addr |
941 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
942 |
break;
|
943 |
case 2: |
944 |
ret = lduw_phys((target_phys_addr_t)addr |
945 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
946 |
break;
|
947 |
default:
|
948 |
case 4: |
949 |
ret = ldl_phys((target_phys_addr_t)addr |
950 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
951 |
break;
|
952 |
case 8: |
953 |
ret = ldq_phys((target_phys_addr_t)addr |
954 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
955 |
break;
|
956 |
} |
957 |
break;
|
958 |
case 0x30: // Turbosparc secondary cache diagnostic |
959 |
case 0x31: // Turbosparc RAM snoop |
960 |
case 0x32: // Turbosparc page table descriptor diagnostic |
961 |
case 0x39: /* data cache diagnostic register */ |
962 |
ret = 0;
|
963 |
break;
|
964 |
case 8: /* User code access, XXX */ |
965 |
default:
|
966 |
do_unassigned_access(addr, 0, 0, asi); |
967 |
ret = 0;
|
968 |
break;
|
969 |
} |
970 |
if (sign) {
|
971 |
switch(size) {
|
972 |
case 1: |
973 |
ret = (int8_t) ret; |
974 |
break;
|
975 |
case 2: |
976 |
ret = (int16_t) ret; |
977 |
break;
|
978 |
case 4: |
979 |
ret = (int32_t) ret; |
980 |
break;
|
981 |
default:
|
982 |
break;
|
983 |
} |
984 |
} |
985 |
#ifdef DEBUG_ASI
|
986 |
dump_asi("read ", last_addr, asi, size, ret);
|
987 |
#endif
|
988 |
return ret;
|
989 |
} |
990 |
|
991 |
void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size) |
992 |
{ |
993 |
helper_check_align(addr, size - 1);
|
994 |
switch(asi) {
|
995 |
case 2: /* SuperSparc MXCC registers */ |
996 |
switch (addr) {
|
997 |
case 0x01c00000: /* MXCC stream data register 0 */ |
998 |
if (size == 8) |
999 |
env->mxccdata[0] = val;
|
1000 |
else
|
1001 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1002 |
size); |
1003 |
break;
|
1004 |
case 0x01c00008: /* MXCC stream data register 1 */ |
1005 |
if (size == 8) |
1006 |
env->mxccdata[1] = val;
|
1007 |
else
|
1008 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1009 |
size); |
1010 |
break;
|
1011 |
case 0x01c00010: /* MXCC stream data register 2 */ |
1012 |
if (size == 8) |
1013 |
env->mxccdata[2] = val;
|
1014 |
else
|
1015 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1016 |
size); |
1017 |
break;
|
1018 |
case 0x01c00018: /* MXCC stream data register 3 */ |
1019 |
if (size == 8) |
1020 |
env->mxccdata[3] = val;
|
1021 |
else
|
1022 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1023 |
size); |
1024 |
break;
|
1025 |
case 0x01c00100: /* MXCC stream source */ |
1026 |
if (size == 8) |
1027 |
env->mxccregs[0] = val;
|
1028 |
else
|
1029 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1030 |
size); |
1031 |
env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
1032 |
0);
|
1033 |
env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
1034 |
8);
|
1035 |
env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
1036 |
16);
|
1037 |
env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
1038 |
24);
|
1039 |
break;
|
1040 |
case 0x01c00200: /* MXCC stream destination */ |
1041 |
if (size == 8) |
1042 |
env->mxccregs[1] = val;
|
1043 |
else
|
1044 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1045 |
size); |
1046 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0, |
1047 |
env->mxccdata[0]);
|
1048 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8, |
1049 |
env->mxccdata[1]);
|
1050 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16, |
1051 |
env->mxccdata[2]);
|
1052 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24, |
1053 |
env->mxccdata[3]);
|
1054 |
break;
|
1055 |
case 0x01c00a00: /* MXCC control register */ |
1056 |
if (size == 8) |
1057 |
env->mxccregs[3] = val;
|
1058 |
else
|
1059 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1060 |
size); |
1061 |
break;
|
1062 |
case 0x01c00a04: /* MXCC control register */ |
1063 |
if (size == 4) |
1064 |
env->mxccregs[3] = (env->mxccregs[0xa] & 0xffffffff00000000ULL) |
1065 |
| val; |
1066 |
else
|
1067 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1068 |
size); |
1069 |
break;
|
1070 |
case 0x01c00e00: /* MXCC error register */ |
1071 |
// writing a 1 bit clears the error
|
1072 |
if (size == 8) |
1073 |
env->mxccregs[6] &= ~val;
|
1074 |
else
|
1075 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1076 |
size); |
1077 |
break;
|
1078 |
case 0x01c00f00: /* MBus port address register */ |
1079 |
if (size == 8) |
1080 |
env->mxccregs[7] = val;
|
1081 |
else
|
1082 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1083 |
size); |
1084 |
break;
|
1085 |
default:
|
1086 |
DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
|
1087 |
size); |
1088 |
break;
|
1089 |
} |
1090 |
DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %08x\n", asi,
|
1091 |
size, addr, val); |
1092 |
#ifdef DEBUG_MXCC
|
1093 |
dump_mxcc(env); |
1094 |
#endif
|
1095 |
break;
|
1096 |
case 3: /* MMU flush */ |
1097 |
{ |
1098 |
int mmulev;
|
1099 |
|
1100 |
mmulev = (addr >> 8) & 15; |
1101 |
DPRINTF_MMU("mmu flush level %d\n", mmulev);
|
1102 |
switch (mmulev) {
|
1103 |
case 0: // flush page |
1104 |
tlb_flush_page(env, addr & 0xfffff000);
|
1105 |
break;
|
1106 |
case 1: // flush segment (256k) |
1107 |
case 2: // flush region (16M) |
1108 |
case 3: // flush context (4G) |
1109 |
case 4: // flush entire |
1110 |
tlb_flush(env, 1);
|
1111 |
break;
|
1112 |
default:
|
1113 |
break;
|
1114 |
} |
1115 |
#ifdef DEBUG_MMU
|
1116 |
dump_mmu(env); |
1117 |
#endif
|
1118 |
} |
1119 |
break;
|
1120 |
case 4: /* write MMU regs */ |
1121 |
{ |
1122 |
int reg = (addr >> 8) & 0x1f; |
1123 |
uint32_t oldreg; |
1124 |
|
1125 |
oldreg = env->mmuregs[reg]; |
1126 |
switch(reg) {
|
1127 |
case 0: // Control Register |
1128 |
env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
|
1129 |
(val & 0x00ffffff);
|
1130 |
// Mappings generated during no-fault mode or MMU
|
1131 |
// disabled mode are invalid in normal mode
|
1132 |
if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) !=
|
1133 |
(env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm))) |
1134 |
tlb_flush(env, 1);
|
1135 |
break;
|
1136 |
case 1: // Context Table Pointer Register |
1137 |
env->mmuregs[reg] = val & env->def->mmu_ctpr_mask; |
1138 |
break;
|
1139 |
case 2: // Context Register |
1140 |
env->mmuregs[reg] = val & env->def->mmu_cxr_mask; |
1141 |
if (oldreg != env->mmuregs[reg]) {
|
1142 |
/* we flush when the MMU context changes because
|
1143 |
QEMU has no MMU context support */
|
1144 |
tlb_flush(env, 1);
|
1145 |
} |
1146 |
break;
|
1147 |
case 3: // Synchronous Fault Status Register with Clear |
1148 |
case 4: // Synchronous Fault Address Register |
1149 |
break;
|
1150 |
case 0x10: // TLB Replacement Control Register |
1151 |
env->mmuregs[reg] = val & env->def->mmu_trcr_mask; |
1152 |
break;
|
1153 |
case 0x13: // Synchronous Fault Status Register with Read and Clear |
1154 |
env->mmuregs[3] = val & env->def->mmu_sfsr_mask;
|
1155 |
break;
|
1156 |
case 0x14: // Synchronous Fault Address Register |
1157 |
env->mmuregs[4] = val;
|
1158 |
break;
|
1159 |
default:
|
1160 |
env->mmuregs[reg] = val; |
1161 |
break;
|
1162 |
} |
1163 |
if (oldreg != env->mmuregs[reg]) {
|
1164 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
|
1165 |
reg, oldreg, env->mmuregs[reg]); |
1166 |
} |
1167 |
#ifdef DEBUG_MMU
|
1168 |
dump_mmu(env); |
1169 |
#endif
|
1170 |
} |
1171 |
break;
|
1172 |
case 5: // Turbosparc ITLB Diagnostic |
1173 |
case 6: // Turbosparc DTLB Diagnostic |
1174 |
case 7: // Turbosparc IOTLB Diagnostic |
1175 |
break;
|
1176 |
case 0xa: /* User data access */ |
1177 |
switch(size) {
|
1178 |
case 1: |
1179 |
stb_user(addr, val); |
1180 |
break;
|
1181 |
case 2: |
1182 |
stw_user(addr, val); |
1183 |
break;
|
1184 |
default:
|
1185 |
case 4: |
1186 |
stl_user(addr, val); |
1187 |
break;
|
1188 |
case 8: |
1189 |
stq_user(addr, val); |
1190 |
break;
|
1191 |
} |
1192 |
break;
|
1193 |
case 0xb: /* Supervisor data access */ |
1194 |
switch(size) {
|
1195 |
case 1: |
1196 |
stb_kernel(addr, val); |
1197 |
break;
|
1198 |
case 2: |
1199 |
stw_kernel(addr, val); |
1200 |
break;
|
1201 |
default:
|
1202 |
case 4: |
1203 |
stl_kernel(addr, val); |
1204 |
break;
|
1205 |
case 8: |
1206 |
stq_kernel(addr, val); |
1207 |
break;
|
1208 |
} |
1209 |
break;
|
1210 |
case 0xc: /* I-cache tag */ |
1211 |
case 0xd: /* I-cache data */ |
1212 |
case 0xe: /* D-cache tag */ |
1213 |
case 0xf: /* D-cache data */ |
1214 |
case 0x10: /* I/D-cache flush page */ |
1215 |
case 0x11: /* I/D-cache flush segment */ |
1216 |
case 0x12: /* I/D-cache flush region */ |
1217 |
case 0x13: /* I/D-cache flush context */ |
1218 |
case 0x14: /* I/D-cache flush user */ |
1219 |
break;
|
1220 |
case 0x17: /* Block copy, sta access */ |
1221 |
{ |
1222 |
// val = src
|
1223 |
// addr = dst
|
1224 |
// copy 32 bytes
|
1225 |
unsigned int i; |
1226 |
uint32_t src = val & ~3, dst = addr & ~3, temp; |
1227 |
|
1228 |
for (i = 0; i < 32; i += 4, src += 4, dst += 4) { |
1229 |
temp = ldl_kernel(src); |
1230 |
stl_kernel(dst, temp); |
1231 |
} |
1232 |
} |
1233 |
break;
|
1234 |
case 0x1f: /* Block fill, stda access */ |
1235 |
{ |
1236 |
// addr = dst
|
1237 |
// fill 32 bytes with val
|
1238 |
unsigned int i; |
1239 |
uint32_t dst = addr & 7;
|
1240 |
|
1241 |
for (i = 0; i < 32; i += 8, dst += 8) |
1242 |
stq_kernel(dst, val); |
1243 |
} |
1244 |
break;
|
1245 |
case 0x20: /* MMU passthrough */ |
1246 |
{ |
1247 |
switch(size) {
|
1248 |
case 1: |
1249 |
stb_phys(addr, val); |
1250 |
break;
|
1251 |
case 2: |
1252 |
stw_phys(addr, val); |
1253 |
break;
|
1254 |
case 4: |
1255 |
default:
|
1256 |
stl_phys(addr, val); |
1257 |
break;
|
1258 |
case 8: |
1259 |
stq_phys(addr, val); |
1260 |
break;
|
1261 |
} |
1262 |
} |
1263 |
break;
|
1264 |
case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */ |
1265 |
{ |
1266 |
switch(size) {
|
1267 |
case 1: |
1268 |
stb_phys((target_phys_addr_t)addr |
1269 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
1270 |
break;
|
1271 |
case 2: |
1272 |
stw_phys((target_phys_addr_t)addr |
1273 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
1274 |
break;
|
1275 |
case 4: |
1276 |
default:
|
1277 |
stl_phys((target_phys_addr_t)addr |
1278 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
1279 |
break;
|
1280 |
case 8: |
1281 |
stq_phys((target_phys_addr_t)addr |
1282 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
1283 |
break;
|
1284 |
} |
1285 |
} |
1286 |
break;
|
1287 |
case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic |
1288 |
case 0x31: // store buffer data, Ross RT620 I-cache flush or |
1289 |
// Turbosparc snoop RAM
|
1290 |
case 0x32: // store buffer control or Turbosparc page table |
1291 |
// descriptor diagnostic
|
1292 |
case 0x36: /* I-cache flash clear */ |
1293 |
case 0x37: /* D-cache flash clear */ |
1294 |
case 0x38: /* breakpoint diagnostics */ |
1295 |
case 0x4c: /* breakpoint action */ |
1296 |
break;
|
1297 |
case 8: /* User code access, XXX */ |
1298 |
case 9: /* Supervisor code access, XXX */ |
1299 |
default:
|
1300 |
do_unassigned_access(addr, 1, 0, asi); |
1301 |
break;
|
1302 |
} |
1303 |
#ifdef DEBUG_ASI
|
1304 |
dump_asi("write", addr, asi, size, val);
|
1305 |
#endif
|
1306 |
} |
1307 |
|
1308 |
#endif /* CONFIG_USER_ONLY */ |
1309 |
#else /* TARGET_SPARC64 */ |
1310 |
|
1311 |
#ifdef CONFIG_USER_ONLY
|
1312 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
1313 |
{ |
1314 |
uint64_t ret = 0;
|
1315 |
#if defined(DEBUG_ASI)
|
1316 |
target_ulong last_addr = addr; |
1317 |
#endif
|
1318 |
|
1319 |
if (asi < 0x80) |
1320 |
raise_exception(TT_PRIV_ACT); |
1321 |
|
1322 |
helper_check_align(addr, size - 1);
|
1323 |
address_mask(env, &addr); |
1324 |
|
1325 |
switch (asi) {
|
1326 |
case 0x82: // Primary no-fault |
1327 |
case 0x8a: // Primary no-fault LE |
1328 |
if (page_check_range(addr, size, PAGE_READ) == -1) { |
1329 |
#ifdef DEBUG_ASI
|
1330 |
dump_asi("read ", last_addr, asi, size, ret);
|
1331 |
#endif
|
1332 |
return 0; |
1333 |
} |
1334 |
// Fall through
|
1335 |
case 0x80: // Primary |
1336 |
case 0x88: // Primary LE |
1337 |
{ |
1338 |
switch(size) {
|
1339 |
case 1: |
1340 |
ret = ldub_raw(addr); |
1341 |
break;
|
1342 |
case 2: |
1343 |
ret = lduw_raw(addr); |
1344 |
break;
|
1345 |
case 4: |
1346 |
ret = ldl_raw(addr); |
1347 |
break;
|
1348 |
default:
|
1349 |
case 8: |
1350 |
ret = ldq_raw(addr); |
1351 |
break;
|
1352 |
} |
1353 |
} |
1354 |
break;
|
1355 |
case 0x83: // Secondary no-fault |
1356 |
case 0x8b: // Secondary no-fault LE |
1357 |
if (page_check_range(addr, size, PAGE_READ) == -1) { |
1358 |
#ifdef DEBUG_ASI
|
1359 |
dump_asi("read ", last_addr, asi, size, ret);
|
1360 |
#endif
|
1361 |
return 0; |
1362 |
} |
1363 |
// Fall through
|
1364 |
case 0x81: // Secondary |
1365 |
case 0x89: // Secondary LE |
1366 |
// XXX
|
1367 |
break;
|
1368 |
default:
|
1369 |
break;
|
1370 |
} |
1371 |
|
1372 |
/* Convert from little endian */
|
1373 |
switch (asi) {
|
1374 |
case 0x88: // Primary LE |
1375 |
case 0x89: // Secondary LE |
1376 |
case 0x8a: // Primary no-fault LE |
1377 |
case 0x8b: // Secondary no-fault LE |
1378 |
switch(size) {
|
1379 |
case 2: |
1380 |
ret = bswap16(ret); |
1381 |
break;
|
1382 |
case 4: |
1383 |
ret = bswap32(ret); |
1384 |
break;
|
1385 |
case 8: |
1386 |
ret = bswap64(ret); |
1387 |
break;
|
1388 |
default:
|
1389 |
break;
|
1390 |
} |
1391 |
default:
|
1392 |
break;
|
1393 |
} |
1394 |
|
1395 |
/* Convert to signed number */
|
1396 |
if (sign) {
|
1397 |
switch(size) {
|
1398 |
case 1: |
1399 |
ret = (int8_t) ret; |
1400 |
break;
|
1401 |
case 2: |
1402 |
ret = (int16_t) ret; |
1403 |
break;
|
1404 |
case 4: |
1405 |
ret = (int32_t) ret; |
1406 |
break;
|
1407 |
default:
|
1408 |
break;
|
1409 |
} |
1410 |
} |
1411 |
#ifdef DEBUG_ASI
|
1412 |
dump_asi("read ", last_addr, asi, size, ret);
|
1413 |
#endif
|
1414 |
return ret;
|
1415 |
} |
1416 |
|
1417 |
void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size) |
1418 |
{ |
1419 |
#ifdef DEBUG_ASI
|
1420 |
dump_asi("write", addr, asi, size, val);
|
1421 |
#endif
|
1422 |
if (asi < 0x80) |
1423 |
raise_exception(TT_PRIV_ACT); |
1424 |
|
1425 |
helper_check_align(addr, size - 1);
|
1426 |
address_mask(env, &addr); |
1427 |
|
1428 |
/* Convert to little endian */
|
1429 |
switch (asi) {
|
1430 |
case 0x88: // Primary LE |
1431 |
case 0x89: // Secondary LE |
1432 |
switch(size) {
|
1433 |
case 2: |
1434 |
addr = bswap16(addr); |
1435 |
break;
|
1436 |
case 4: |
1437 |
addr = bswap32(addr); |
1438 |
break;
|
1439 |
case 8: |
1440 |
addr = bswap64(addr); |
1441 |
break;
|
1442 |
default:
|
1443 |
break;
|
1444 |
} |
1445 |
default:
|
1446 |
break;
|
1447 |
} |
1448 |
|
1449 |
switch(asi) {
|
1450 |
case 0x80: // Primary |
1451 |
case 0x88: // Primary LE |
1452 |
{ |
1453 |
switch(size) {
|
1454 |
case 1: |
1455 |
stb_raw(addr, val); |
1456 |
break;
|
1457 |
case 2: |
1458 |
stw_raw(addr, val); |
1459 |
break;
|
1460 |
case 4: |
1461 |
stl_raw(addr, val); |
1462 |
break;
|
1463 |
case 8: |
1464 |
default:
|
1465 |
stq_raw(addr, val); |
1466 |
break;
|
1467 |
} |
1468 |
} |
1469 |
break;
|
1470 |
case 0x81: // Secondary |
1471 |
case 0x89: // Secondary LE |
1472 |
// XXX
|
1473 |
return;
|
1474 |
|
1475 |
case 0x82: // Primary no-fault, RO |
1476 |
case 0x83: // Secondary no-fault, RO |
1477 |
case 0x8a: // Primary no-fault LE, RO |
1478 |
case 0x8b: // Secondary no-fault LE, RO |
1479 |
default:
|
1480 |
do_unassigned_access(addr, 1, 0, 1); |
1481 |
return;
|
1482 |
} |
1483 |
} |
1484 |
|
1485 |
#else /* CONFIG_USER_ONLY */ |
1486 |
|
1487 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
1488 |
{ |
1489 |
uint64_t ret = 0;
|
1490 |
#if defined(DEBUG_ASI)
|
1491 |
target_ulong last_addr = addr; |
1492 |
#endif
|
1493 |
|
1494 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
1495 |
|| ((env->def->features & CPU_FEATURE_HYPV) |
1496 |
&& asi >= 0x30 && asi < 0x80 |
1497 |
&& !(env->hpstate & HS_PRIV))) |
1498 |
raise_exception(TT_PRIV_ACT); |
1499 |
|
1500 |
helper_check_align(addr, size - 1);
|
1501 |
switch (asi) {
|
1502 |
case 0x82: // Primary no-fault |
1503 |
case 0x8a: // Primary no-fault LE |
1504 |
if (cpu_get_phys_page_debug(env, addr) == -1ULL) { |
1505 |
#ifdef DEBUG_ASI
|
1506 |
dump_asi("read ", last_addr, asi, size, ret);
|
1507 |
#endif
|
1508 |
return 0; |
1509 |
} |
1510 |
// Fall through
|
1511 |
case 0x10: // As if user primary |
1512 |
case 0x18: // As if user primary LE |
1513 |
case 0x80: // Primary |
1514 |
case 0x88: // Primary LE |
1515 |
if ((asi & 0x80) && (env->pstate & PS_PRIV)) { |
1516 |
if ((env->def->features & CPU_FEATURE_HYPV)
|
1517 |
&& env->hpstate & HS_PRIV) { |
1518 |
switch(size) {
|
1519 |
case 1: |
1520 |
ret = ldub_hypv(addr); |
1521 |
break;
|
1522 |
case 2: |
1523 |
ret = lduw_hypv(addr); |
1524 |
break;
|
1525 |
case 4: |
1526 |
ret = ldl_hypv(addr); |
1527 |
break;
|
1528 |
default:
|
1529 |
case 8: |
1530 |
ret = ldq_hypv(addr); |
1531 |
break;
|
1532 |
} |
1533 |
} else {
|
1534 |
switch(size) {
|
1535 |
case 1: |
1536 |
ret = ldub_kernel(addr); |
1537 |
break;
|
1538 |
case 2: |
1539 |
ret = lduw_kernel(addr); |
1540 |
break;
|
1541 |
case 4: |
1542 |
ret = ldl_kernel(addr); |
1543 |
break;
|
1544 |
default:
|
1545 |
case 8: |
1546 |
ret = ldq_kernel(addr); |
1547 |
break;
|
1548 |
} |
1549 |
} |
1550 |
} else {
|
1551 |
switch(size) {
|
1552 |
case 1: |
1553 |
ret = ldub_user(addr); |
1554 |
break;
|
1555 |
case 2: |
1556 |
ret = lduw_user(addr); |
1557 |
break;
|
1558 |
case 4: |
1559 |
ret = ldl_user(addr); |
1560 |
break;
|
1561 |
default:
|
1562 |
case 8: |
1563 |
ret = ldq_user(addr); |
1564 |
break;
|
1565 |
} |
1566 |
} |
1567 |
break;
|
1568 |
case 0x14: // Bypass |
1569 |
case 0x15: // Bypass, non-cacheable |
1570 |
case 0x1c: // Bypass LE |
1571 |
case 0x1d: // Bypass, non-cacheable LE |
1572 |
{ |
1573 |
switch(size) {
|
1574 |
case 1: |
1575 |
ret = ldub_phys(addr); |
1576 |
break;
|
1577 |
case 2: |
1578 |
ret = lduw_phys(addr); |
1579 |
break;
|
1580 |
case 4: |
1581 |
ret = ldl_phys(addr); |
1582 |
break;
|
1583 |
default:
|
1584 |
case 8: |
1585 |
ret = ldq_phys(addr); |
1586 |
break;
|
1587 |
} |
1588 |
break;
|
1589 |
} |
1590 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
1591 |
case 0x2c: // Nucleus quad LDD 128 bit atomic LE |
1592 |
// Only ldda allowed
|
1593 |
raise_exception(TT_ILL_INSN); |
1594 |
return 0; |
1595 |
case 0x83: // Secondary no-fault |
1596 |
case 0x8b: // Secondary no-fault LE |
1597 |
if (cpu_get_phys_page_debug(env, addr) == -1ULL) { |
1598 |
#ifdef DEBUG_ASI
|
1599 |
dump_asi("read ", last_addr, asi, size, ret);
|
1600 |
#endif
|
1601 |
return 0; |
1602 |
} |
1603 |
// Fall through
|
1604 |
case 0x04: // Nucleus |
1605 |
case 0x0c: // Nucleus Little Endian (LE) |
1606 |
case 0x11: // As if user secondary |
1607 |
case 0x19: // As if user secondary LE |
1608 |
case 0x4a: // UPA config |
1609 |
case 0x81: // Secondary |
1610 |
case 0x89: // Secondary LE |
1611 |
// XXX
|
1612 |
break;
|
1613 |
case 0x45: // LSU |
1614 |
ret = env->lsu; |
1615 |
break;
|
1616 |
case 0x50: // I-MMU regs |
1617 |
{ |
1618 |
int reg = (addr >> 3) & 0xf; |
1619 |
|
1620 |
ret = env->immuregs[reg]; |
1621 |
break;
|
1622 |
} |
1623 |
case 0x51: // I-MMU 8k TSB pointer |
1624 |
case 0x52: // I-MMU 64k TSB pointer |
1625 |
// XXX
|
1626 |
break;
|
1627 |
case 0x55: // I-MMU data access |
1628 |
{ |
1629 |
int reg = (addr >> 3) & 0x3f; |
1630 |
|
1631 |
ret = env->itlb_tte[reg]; |
1632 |
break;
|
1633 |
} |
1634 |
case 0x56: // I-MMU tag read |
1635 |
{ |
1636 |
int reg = (addr >> 3) & 0x3f; |
1637 |
|
1638 |
ret = env->itlb_tag[reg]; |
1639 |
break;
|
1640 |
} |
1641 |
case 0x58: // D-MMU regs |
1642 |
{ |
1643 |
int reg = (addr >> 3) & 0xf; |
1644 |
|
1645 |
ret = env->dmmuregs[reg]; |
1646 |
break;
|
1647 |
} |
1648 |
case 0x5d: // D-MMU data access |
1649 |
{ |
1650 |
int reg = (addr >> 3) & 0x3f; |
1651 |
|
1652 |
ret = env->dtlb_tte[reg]; |
1653 |
break;
|
1654 |
} |
1655 |
case 0x5e: // D-MMU tag read |
1656 |
{ |
1657 |
int reg = (addr >> 3) & 0x3f; |
1658 |
|
1659 |
ret = env->dtlb_tag[reg]; |
1660 |
break;
|
1661 |
} |
1662 |
case 0x46: // D-cache data |
1663 |
case 0x47: // D-cache tag access |
1664 |
case 0x4b: // E-cache error enable |
1665 |
case 0x4c: // E-cache asynchronous fault status |
1666 |
case 0x4d: // E-cache asynchronous fault address |
1667 |
case 0x4e: // E-cache tag data |
1668 |
case 0x66: // I-cache instruction access |
1669 |
case 0x67: // I-cache tag access |
1670 |
case 0x6e: // I-cache predecode |
1671 |
case 0x6f: // I-cache LRU etc. |
1672 |
case 0x76: // E-cache tag |
1673 |
case 0x7e: // E-cache tag |
1674 |
break;
|
1675 |
case 0x59: // D-MMU 8k TSB pointer |
1676 |
case 0x5a: // D-MMU 64k TSB pointer |
1677 |
case 0x5b: // D-MMU data pointer |
1678 |
case 0x48: // Interrupt dispatch, RO |
1679 |
case 0x49: // Interrupt data receive |
1680 |
case 0x7f: // Incoming interrupt vector, RO |
1681 |
// XXX
|
1682 |
break;
|
1683 |
case 0x54: // I-MMU data in, WO |
1684 |
case 0x57: // I-MMU demap, WO |
1685 |
case 0x5c: // D-MMU data in, WO |
1686 |
case 0x5f: // D-MMU demap, WO |
1687 |
case 0x77: // Interrupt vector, WO |
1688 |
default:
|
1689 |
do_unassigned_access(addr, 0, 0, 1); |
1690 |
ret = 0;
|
1691 |
break;
|
1692 |
} |
1693 |
|
1694 |
/* Convert from little endian */
|
1695 |
switch (asi) {
|
1696 |
case 0x0c: // Nucleus Little Endian (LE) |
1697 |
case 0x18: // As if user primary LE |
1698 |
case 0x19: // As if user secondary LE |
1699 |
case 0x1c: // Bypass LE |
1700 |
case 0x1d: // Bypass, non-cacheable LE |
1701 |
case 0x88: // Primary LE |
1702 |
case 0x89: // Secondary LE |
1703 |
case 0x8a: // Primary no-fault LE |
1704 |
case 0x8b: // Secondary no-fault LE |
1705 |
switch(size) {
|
1706 |
case 2: |
1707 |
ret = bswap16(ret); |
1708 |
break;
|
1709 |
case 4: |
1710 |
ret = bswap32(ret); |
1711 |
break;
|
1712 |
case 8: |
1713 |
ret = bswap64(ret); |
1714 |
break;
|
1715 |
default:
|
1716 |
break;
|
1717 |
} |
1718 |
default:
|
1719 |
break;
|
1720 |
} |
1721 |
|
1722 |
/* Convert to signed number */
|
1723 |
if (sign) {
|
1724 |
switch(size) {
|
1725 |
case 1: |
1726 |
ret = (int8_t) ret; |
1727 |
break;
|
1728 |
case 2: |
1729 |
ret = (int16_t) ret; |
1730 |
break;
|
1731 |
case 4: |
1732 |
ret = (int32_t) ret; |
1733 |
break;
|
1734 |
default:
|
1735 |
break;
|
1736 |
} |
1737 |
} |
1738 |
#ifdef DEBUG_ASI
|
1739 |
dump_asi("read ", last_addr, asi, size, ret);
|
1740 |
#endif
|
1741 |
return ret;
|
1742 |
} |
1743 |
|
1744 |
void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size) |
1745 |
{ |
1746 |
#ifdef DEBUG_ASI
|
1747 |
dump_asi("write", addr, asi, size, val);
|
1748 |
#endif
|
1749 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
1750 |
|| ((env->def->features & CPU_FEATURE_HYPV) |
1751 |
&& asi >= 0x30 && asi < 0x80 |
1752 |
&& !(env->hpstate & HS_PRIV))) |
1753 |
raise_exception(TT_PRIV_ACT); |
1754 |
|
1755 |
helper_check_align(addr, size - 1);
|
1756 |
/* Convert to little endian */
|
1757 |
switch (asi) {
|
1758 |
case 0x0c: // Nucleus Little Endian (LE) |
1759 |
case 0x18: // As if user primary LE |
1760 |
case 0x19: // As if user secondary LE |
1761 |
case 0x1c: // Bypass LE |
1762 |
case 0x1d: // Bypass, non-cacheable LE |
1763 |
case 0x88: // Primary LE |
1764 |
case 0x89: // Secondary LE |
1765 |
switch(size) {
|
1766 |
case 2: |
1767 |
addr = bswap16(addr); |
1768 |
break;
|
1769 |
case 4: |
1770 |
addr = bswap32(addr); |
1771 |
break;
|
1772 |
case 8: |
1773 |
addr = bswap64(addr); |
1774 |
break;
|
1775 |
default:
|
1776 |
break;
|
1777 |
} |
1778 |
default:
|
1779 |
break;
|
1780 |
} |
1781 |
|
1782 |
switch(asi) {
|
1783 |
case 0x10: // As if user primary |
1784 |
case 0x18: // As if user primary LE |
1785 |
case 0x80: // Primary |
1786 |
case 0x88: // Primary LE |
1787 |
if ((asi & 0x80) && (env->pstate & PS_PRIV)) { |
1788 |
if ((env->def->features & CPU_FEATURE_HYPV)
|
1789 |
&& env->hpstate & HS_PRIV) { |
1790 |
switch(size) {
|
1791 |
case 1: |
1792 |
stb_hypv(addr, val); |
1793 |
break;
|
1794 |
case 2: |
1795 |
stw_hypv(addr, val); |
1796 |
break;
|
1797 |
case 4: |
1798 |
stl_hypv(addr, val); |
1799 |
break;
|
1800 |
case 8: |
1801 |
default:
|
1802 |
stq_hypv(addr, val); |
1803 |
break;
|
1804 |
} |
1805 |
} else {
|
1806 |
switch(size) {
|
1807 |
case 1: |
1808 |
stb_kernel(addr, val); |
1809 |
break;
|
1810 |
case 2: |
1811 |
stw_kernel(addr, val); |
1812 |
break;
|
1813 |
case 4: |
1814 |
stl_kernel(addr, val); |
1815 |
break;
|
1816 |
case 8: |
1817 |
default:
|
1818 |
stq_kernel(addr, val); |
1819 |
break;
|
1820 |
} |
1821 |
} |
1822 |
} else {
|
1823 |
switch(size) {
|
1824 |
case 1: |
1825 |
stb_user(addr, val); |
1826 |
break;
|
1827 |
case 2: |
1828 |
stw_user(addr, val); |
1829 |
break;
|
1830 |
case 4: |
1831 |
stl_user(addr, val); |
1832 |
break;
|
1833 |
case 8: |
1834 |
default:
|
1835 |
stq_user(addr, val); |
1836 |
break;
|
1837 |
} |
1838 |
} |
1839 |
break;
|
1840 |
case 0x14: // Bypass |
1841 |
case 0x15: // Bypass, non-cacheable |
1842 |
case 0x1c: // Bypass LE |
1843 |
case 0x1d: // Bypass, non-cacheable LE |
1844 |
{ |
1845 |
switch(size) {
|
1846 |
case 1: |
1847 |
stb_phys(addr, val); |
1848 |
break;
|
1849 |
case 2: |
1850 |
stw_phys(addr, val); |
1851 |
break;
|
1852 |
case 4: |
1853 |
stl_phys(addr, val); |
1854 |
break;
|
1855 |
case 8: |
1856 |
default:
|
1857 |
stq_phys(addr, val); |
1858 |
break;
|
1859 |
} |
1860 |
} |
1861 |
return;
|
1862 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
1863 |
case 0x2c: // Nucleus quad LDD 128 bit atomic LE |
1864 |
// Only ldda allowed
|
1865 |
raise_exception(TT_ILL_INSN); |
1866 |
return;
|
1867 |
case 0x04: // Nucleus |
1868 |
case 0x0c: // Nucleus Little Endian (LE) |
1869 |
case 0x11: // As if user secondary |
1870 |
case 0x19: // As if user secondary LE |
1871 |
case 0x4a: // UPA config |
1872 |
case 0x81: // Secondary |
1873 |
case 0x89: // Secondary LE |
1874 |
// XXX
|
1875 |
return;
|
1876 |
case 0x45: // LSU |
1877 |
{ |
1878 |
uint64_t oldreg; |
1879 |
|
1880 |
oldreg = env->lsu; |
1881 |
env->lsu = val & (DMMU_E | IMMU_E); |
1882 |
// Mappings generated during D/I MMU disabled mode are
|
1883 |
// invalid in normal mode
|
1884 |
if (oldreg != env->lsu) {
|
1885 |
DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n", |
1886 |
oldreg, env->lsu); |
1887 |
#ifdef DEBUG_MMU
|
1888 |
dump_mmu(env); |
1889 |
#endif
|
1890 |
tlb_flush(env, 1);
|
1891 |
} |
1892 |
return;
|
1893 |
} |
1894 |
case 0x50: // I-MMU regs |
1895 |
{ |
1896 |
int reg = (addr >> 3) & 0xf; |
1897 |
uint64_t oldreg; |
1898 |
|
1899 |
oldreg = env->immuregs[reg]; |
1900 |
switch(reg) {
|
1901 |
case 0: // RO |
1902 |
case 4: |
1903 |
return;
|
1904 |
case 1: // Not in I-MMU |
1905 |
case 2: |
1906 |
case 7: |
1907 |
case 8: |
1908 |
return;
|
1909 |
case 3: // SFSR |
1910 |
if ((val & 1) == 0) |
1911 |
val = 0; // Clear SFSR |
1912 |
break;
|
1913 |
case 5: // TSB access |
1914 |
case 6: // Tag access |
1915 |
default:
|
1916 |
break;
|
1917 |
} |
1918 |
env->immuregs[reg] = val; |
1919 |
if (oldreg != env->immuregs[reg]) {
|
1920 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" |
1921 |
PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
|
1922 |
} |
1923 |
#ifdef DEBUG_MMU
|
1924 |
dump_mmu(env); |
1925 |
#endif
|
1926 |
return;
|
1927 |
} |
1928 |
case 0x54: // I-MMU data in |
1929 |
{ |
1930 |
unsigned int i; |
1931 |
|
1932 |
// Try finding an invalid entry
|
1933 |
for (i = 0; i < 64; i++) { |
1934 |
if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) { |
1935 |
env->itlb_tag[i] = env->immuregs[6];
|
1936 |
env->itlb_tte[i] = val; |
1937 |
return;
|
1938 |
} |
1939 |
} |
1940 |
// Try finding an unlocked entry
|
1941 |
for (i = 0; i < 64; i++) { |
1942 |
if ((env->itlb_tte[i] & 0x40) == 0) { |
1943 |
env->itlb_tag[i] = env->immuregs[6];
|
1944 |
env->itlb_tte[i] = val; |
1945 |
return;
|
1946 |
} |
1947 |
} |
1948 |
// error state?
|
1949 |
return;
|
1950 |
} |
1951 |
case 0x55: // I-MMU data access |
1952 |
{ |
1953 |
unsigned int i = (addr >> 3) & 0x3f; |
1954 |
|
1955 |
env->itlb_tag[i] = env->immuregs[6];
|
1956 |
env->itlb_tte[i] = val; |
1957 |
return;
|
1958 |
} |
1959 |
case 0x57: // I-MMU demap |
1960 |
// XXX
|
1961 |
return;
|
1962 |
case 0x58: // D-MMU regs |
1963 |
{ |
1964 |
int reg = (addr >> 3) & 0xf; |
1965 |
uint64_t oldreg; |
1966 |
|
1967 |
oldreg = env->dmmuregs[reg]; |
1968 |
switch(reg) {
|
1969 |
case 0: // RO |
1970 |
case 4: |
1971 |
return;
|
1972 |
case 3: // SFSR |
1973 |
if ((val & 1) == 0) { |
1974 |
val = 0; // Clear SFSR, Fault address |
1975 |
env->dmmuregs[4] = 0; |
1976 |
} |
1977 |
env->dmmuregs[reg] = val; |
1978 |
break;
|
1979 |
case 1: // Primary context |
1980 |
case 2: // Secondary context |
1981 |
case 5: // TSB access |
1982 |
case 6: // Tag access |
1983 |
case 7: // Virtual Watchpoint |
1984 |
case 8: // Physical Watchpoint |
1985 |
default:
|
1986 |
break;
|
1987 |
} |
1988 |
env->dmmuregs[reg] = val; |
1989 |
if (oldreg != env->dmmuregs[reg]) {
|
1990 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" |
1991 |
PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
|
1992 |
} |
1993 |
#ifdef DEBUG_MMU
|
1994 |
dump_mmu(env); |
1995 |
#endif
|
1996 |
return;
|
1997 |
} |
1998 |
case 0x5c: // D-MMU data in |
1999 |
{ |
2000 |
unsigned int i; |
2001 |
|
2002 |
// Try finding an invalid entry
|
2003 |
for (i = 0; i < 64; i++) { |
2004 |
if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) { |
2005 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
2006 |
env->dtlb_tte[i] = val; |
2007 |
return;
|
2008 |
} |
2009 |
} |
2010 |
// Try finding an unlocked entry
|
2011 |
for (i = 0; i < 64; i++) { |
2012 |
if ((env->dtlb_tte[i] & 0x40) == 0) { |
2013 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
2014 |
env->dtlb_tte[i] = val; |
2015 |
return;
|
2016 |
} |
2017 |
} |
2018 |
// error state?
|
2019 |
return;
|
2020 |
} |
2021 |
case 0x5d: // D-MMU data access |
2022 |
{ |
2023 |
unsigned int i = (addr >> 3) & 0x3f; |
2024 |
|
2025 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
2026 |
env->dtlb_tte[i] = val; |
2027 |
return;
|
2028 |
} |
2029 |
case 0x5f: // D-MMU demap |
2030 |
case 0x49: // Interrupt data receive |
2031 |
// XXX
|
2032 |
return;
|
2033 |
case 0x46: // D-cache data |
2034 |
case 0x47: // D-cache tag access |
2035 |
case 0x4b: // E-cache error enable |
2036 |
case 0x4c: // E-cache asynchronous fault status |
2037 |
case 0x4d: // E-cache asynchronous fault address |
2038 |
case 0x4e: // E-cache tag data |
2039 |
case 0x66: // I-cache instruction access |
2040 |
case 0x67: // I-cache tag access |
2041 |
case 0x6e: // I-cache predecode |
2042 |
case 0x6f: // I-cache LRU etc. |
2043 |
case 0x76: // E-cache tag |
2044 |
case 0x7e: // E-cache tag |
2045 |
return;
|
2046 |
case 0x51: // I-MMU 8k TSB pointer, RO |
2047 |
case 0x52: // I-MMU 64k TSB pointer, RO |
2048 |
case 0x56: // I-MMU tag read, RO |
2049 |
case 0x59: // D-MMU 8k TSB pointer, RO |
2050 |
case 0x5a: // D-MMU 64k TSB pointer, RO |
2051 |
case 0x5b: // D-MMU data pointer, RO |
2052 |
case 0x5e: // D-MMU tag read, RO |
2053 |
case 0x48: // Interrupt dispatch, RO |
2054 |
case 0x7f: // Incoming interrupt vector, RO |
2055 |
case 0x82: // Primary no-fault, RO |
2056 |
case 0x83: // Secondary no-fault, RO |
2057 |
case 0x8a: // Primary no-fault LE, RO |
2058 |
case 0x8b: // Secondary no-fault LE, RO |
2059 |
default:
|
2060 |
do_unassigned_access(addr, 1, 0, 1); |
2061 |
return;
|
2062 |
} |
2063 |
} |
2064 |
#endif /* CONFIG_USER_ONLY */ |
2065 |
|
2066 |
void helper_ldda_asi(target_ulong addr, int asi, int rd) |
2067 |
{ |
2068 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
2069 |
|| ((env->def->features & CPU_FEATURE_HYPV) |
2070 |
&& asi >= 0x30 && asi < 0x80 |
2071 |
&& !(env->hpstate & HS_PRIV))) |
2072 |
raise_exception(TT_PRIV_ACT); |
2073 |
|
2074 |
switch (asi) {
|
2075 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
2076 |
case 0x2c: // Nucleus quad LDD 128 bit atomic LE |
2077 |
helper_check_align(addr, 0xf);
|
2078 |
if (rd == 0) { |
2079 |
env->gregs[1] = ldq_kernel(addr + 8); |
2080 |
if (asi == 0x2c) |
2081 |
bswap64s(&env->gregs[1]);
|
2082 |
} else if (rd < 8) { |
2083 |
env->gregs[rd] = ldq_kernel(addr); |
2084 |
env->gregs[rd + 1] = ldq_kernel(addr + 8); |
2085 |
if (asi == 0x2c) { |
2086 |
bswap64s(&env->gregs[rd]); |
2087 |
bswap64s(&env->gregs[rd + 1]);
|
2088 |
} |
2089 |
} else {
|
2090 |
env->regwptr[rd] = ldq_kernel(addr); |
2091 |
env->regwptr[rd + 1] = ldq_kernel(addr + 8); |
2092 |
if (asi == 0x2c) { |
2093 |
bswap64s(&env->regwptr[rd]); |
2094 |
bswap64s(&env->regwptr[rd + 1]);
|
2095 |
} |
2096 |
} |
2097 |
break;
|
2098 |
default:
|
2099 |
helper_check_align(addr, 0x3);
|
2100 |
if (rd == 0) |
2101 |
env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0); |
2102 |
else if (rd < 8) { |
2103 |
env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0); |
2104 |
env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0); |
2105 |
} else {
|
2106 |
env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0); |
2107 |
env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0); |
2108 |
} |
2109 |
break;
|
2110 |
} |
2111 |
} |
2112 |
|
2113 |
void helper_ldf_asi(target_ulong addr, int asi, int size, int rd) |
2114 |
{ |
2115 |
unsigned int i; |
2116 |
target_ulong val; |
2117 |
|
2118 |
helper_check_align(addr, 3);
|
2119 |
switch (asi) {
|
2120 |
case 0xf0: // Block load primary |
2121 |
case 0xf1: // Block load secondary |
2122 |
case 0xf8: // Block load primary LE |
2123 |
case 0xf9: // Block load secondary LE |
2124 |
if (rd & 7) { |
2125 |
raise_exception(TT_ILL_INSN); |
2126 |
return;
|
2127 |
} |
2128 |
helper_check_align(addr, 0x3f);
|
2129 |
for (i = 0; i < 16; i++) { |
2130 |
*(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4, |
2131 |
0);
|
2132 |
addr += 4;
|
2133 |
} |
2134 |
|
2135 |
return;
|
2136 |
default:
|
2137 |
break;
|
2138 |
} |
2139 |
|
2140 |
val = helper_ld_asi(addr, asi, size, 0);
|
2141 |
switch(size) {
|
2142 |
default:
|
2143 |
case 4: |
2144 |
*((uint32_t *)&env->fpr[rd]) = val; |
2145 |
break;
|
2146 |
case 8: |
2147 |
*((int64_t *)&DT0) = val; |
2148 |
break;
|
2149 |
case 16: |
2150 |
// XXX
|
2151 |
break;
|
2152 |
} |
2153 |
} |
2154 |
|
2155 |
void helper_stf_asi(target_ulong addr, int asi, int size, int rd) |
2156 |
{ |
2157 |
unsigned int i; |
2158 |
target_ulong val = 0;
|
2159 |
|
2160 |
helper_check_align(addr, 3);
|
2161 |
switch (asi) {
|
2162 |
case 0xf0: // Block store primary |
2163 |
case 0xf1: // Block store secondary |
2164 |
case 0xf8: // Block store primary LE |
2165 |
case 0xf9: // Block store secondary LE |
2166 |
if (rd & 7) { |
2167 |
raise_exception(TT_ILL_INSN); |
2168 |
return;
|
2169 |
} |
2170 |
helper_check_align(addr, 0x3f);
|
2171 |
for (i = 0; i < 16; i++) { |
2172 |
val = *(uint32_t *)&env->fpr[rd++]; |
2173 |
helper_st_asi(addr, val, asi & 0x8f, 4); |
2174 |
addr += 4;
|
2175 |
} |
2176 |
|
2177 |
return;
|
2178 |
default:
|
2179 |
break;
|
2180 |
} |
2181 |
|
2182 |
switch(size) {
|
2183 |
default:
|
2184 |
case 4: |
2185 |
val = *((uint32_t *)&env->fpr[rd]); |
2186 |
break;
|
2187 |
case 8: |
2188 |
val = *((int64_t *)&DT0); |
2189 |
break;
|
2190 |
case 16: |
2191 |
// XXX
|
2192 |
break;
|
2193 |
} |
2194 |
helper_st_asi(addr, val, asi, size); |
2195 |
} |
2196 |
|
2197 |
target_ulong helper_cas_asi(target_ulong addr, target_ulong val1, |
2198 |
target_ulong val2, uint32_t asi) |
2199 |
{ |
2200 |
target_ulong ret; |
2201 |
|
2202 |
val1 &= 0xffffffffUL;
|
2203 |
ret = helper_ld_asi(addr, asi, 4, 0); |
2204 |
ret &= 0xffffffffUL;
|
2205 |
if (val1 == ret)
|
2206 |
helper_st_asi(addr, val2 & 0xffffffffUL, asi, 4); |
2207 |
return ret;
|
2208 |
} |
2209 |
|
2210 |
target_ulong helper_casx_asi(target_ulong addr, target_ulong val1, |
2211 |
target_ulong val2, uint32_t asi) |
2212 |
{ |
2213 |
target_ulong ret; |
2214 |
|
2215 |
ret = helper_ld_asi(addr, asi, 8, 0); |
2216 |
if (val1 == ret)
|
2217 |
helper_st_asi(addr, val2, asi, 8);
|
2218 |
return ret;
|
2219 |
} |
2220 |
#endif /* TARGET_SPARC64 */ |
2221 |
|
2222 |
#ifndef TARGET_SPARC64
|
2223 |
void helper_rett(void) |
2224 |
{ |
2225 |
unsigned int cwp; |
2226 |
|
2227 |
if (env->psret == 1) |
2228 |
raise_exception(TT_ILL_INSN); |
2229 |
|
2230 |
env->psret = 1;
|
2231 |
cwp = cpu_cwp_inc(env, env->cwp + 1) ;
|
2232 |
if (env->wim & (1 << cwp)) { |
2233 |
raise_exception(TT_WIN_UNF); |
2234 |
} |
2235 |
set_cwp(cwp); |
2236 |
env->psrs = env->psrps; |
2237 |
} |
2238 |
#endif
|
2239 |
|
2240 |
target_ulong helper_udiv(target_ulong a, target_ulong b) |
2241 |
{ |
2242 |
uint64_t x0; |
2243 |
uint32_t x1; |
2244 |
|
2245 |
x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32); |
2246 |
x1 = b; |
2247 |
|
2248 |
if (x1 == 0) { |
2249 |
raise_exception(TT_DIV_ZERO); |
2250 |
} |
2251 |
|
2252 |
x0 = x0 / x1; |
2253 |
if (x0 > 0xffffffff) { |
2254 |
env->cc_src2 = 1;
|
2255 |
return 0xffffffff; |
2256 |
} else {
|
2257 |
env->cc_src2 = 0;
|
2258 |
return x0;
|
2259 |
} |
2260 |
} |
2261 |
|
2262 |
target_ulong helper_sdiv(target_ulong a, target_ulong b) |
2263 |
{ |
2264 |
int64_t x0; |
2265 |
int32_t x1; |
2266 |
|
2267 |
x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32); |
2268 |
x1 = b; |
2269 |
|
2270 |
if (x1 == 0) { |
2271 |
raise_exception(TT_DIV_ZERO); |
2272 |
} |
2273 |
|
2274 |
x0 = x0 / x1; |
2275 |
if ((int32_t) x0 != x0) {
|
2276 |
env->cc_src2 = 1;
|
2277 |
return x0 < 0? 0x80000000: 0x7fffffff; |
2278 |
} else {
|
2279 |
env->cc_src2 = 0;
|
2280 |
return x0;
|
2281 |
} |
2282 |
} |
2283 |
|
2284 |
uint64_t helper_pack64(target_ulong high, target_ulong low) |
2285 |
{ |
2286 |
return ((uint64_t)high << 32) | (uint64_t)(low & 0xffffffff); |
2287 |
} |
2288 |
|
2289 |
void helper_stdf(target_ulong addr, int mem_idx) |
2290 |
{ |
2291 |
helper_check_align(addr, 7);
|
2292 |
#if !defined(CONFIG_USER_ONLY)
|
2293 |
switch (mem_idx) {
|
2294 |
case 0: |
2295 |
stfq_user(addr, DT0); |
2296 |
break;
|
2297 |
case 1: |
2298 |
stfq_kernel(addr, DT0); |
2299 |
break;
|
2300 |
#ifdef TARGET_SPARC64
|
2301 |
case 2: |
2302 |
stfq_hypv(addr, DT0); |
2303 |
break;
|
2304 |
#endif
|
2305 |
default:
|
2306 |
break;
|
2307 |
} |
2308 |
#else
|
2309 |
address_mask(env, &addr); |
2310 |
stfq_raw(addr, DT0); |
2311 |
#endif
|
2312 |
} |
2313 |
|
2314 |
void helper_lddf(target_ulong addr, int mem_idx) |
2315 |
{ |
2316 |
helper_check_align(addr, 7);
|
2317 |
#if !defined(CONFIG_USER_ONLY)
|
2318 |
switch (mem_idx) {
|
2319 |
case 0: |
2320 |
DT0 = ldfq_user(addr); |
2321 |
break;
|
2322 |
case 1: |
2323 |
DT0 = ldfq_kernel(addr); |
2324 |
break;
|
2325 |
#ifdef TARGET_SPARC64
|
2326 |
case 2: |
2327 |
DT0 = ldfq_hypv(addr); |
2328 |
break;
|
2329 |
#endif
|
2330 |
default:
|
2331 |
break;
|
2332 |
} |
2333 |
#else
|
2334 |
address_mask(env, &addr); |
2335 |
DT0 = ldfq_raw(addr); |
2336 |
#endif
|
2337 |
} |
2338 |
|
2339 |
void helper_ldqf(target_ulong addr, int mem_idx) |
2340 |
{ |
2341 |
// XXX add 128 bit load
|
2342 |
CPU_QuadU u; |
2343 |
|
2344 |
helper_check_align(addr, 7);
|
2345 |
#if !defined(CONFIG_USER_ONLY)
|
2346 |
switch (mem_idx) {
|
2347 |
case 0: |
2348 |
u.ll.upper = ldq_user(addr); |
2349 |
u.ll.lower = ldq_user(addr + 8);
|
2350 |
QT0 = u.q; |
2351 |
break;
|
2352 |
case 1: |
2353 |
u.ll.upper = ldq_kernel(addr); |
2354 |
u.ll.lower = ldq_kernel(addr + 8);
|
2355 |
QT0 = u.q; |
2356 |
break;
|
2357 |
#ifdef TARGET_SPARC64
|
2358 |
case 2: |
2359 |
u.ll.upper = ldq_hypv(addr); |
2360 |
u.ll.lower = ldq_hypv(addr + 8);
|
2361 |
QT0 = u.q; |
2362 |
break;
|
2363 |
#endif
|
2364 |
default:
|
2365 |
break;
|
2366 |
} |
2367 |
#else
|
2368 |
address_mask(env, &addr); |
2369 |
u.ll.upper = ldq_raw(addr); |
2370 |
u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL); |
2371 |
QT0 = u.q; |
2372 |
#endif
|
2373 |
} |
2374 |
|
2375 |
void helper_stqf(target_ulong addr, int mem_idx) |
2376 |
{ |
2377 |
// XXX add 128 bit store
|
2378 |
CPU_QuadU u; |
2379 |
|
2380 |
helper_check_align(addr, 7);
|
2381 |
#if !defined(CONFIG_USER_ONLY)
|
2382 |
switch (mem_idx) {
|
2383 |
case 0: |
2384 |
u.q = QT0; |
2385 |
stq_user(addr, u.ll.upper); |
2386 |
stq_user(addr + 8, u.ll.lower);
|
2387 |
break;
|
2388 |
case 1: |
2389 |
u.q = QT0; |
2390 |
stq_kernel(addr, u.ll.upper); |
2391 |
stq_kernel(addr + 8, u.ll.lower);
|
2392 |
break;
|
2393 |
#ifdef TARGET_SPARC64
|
2394 |
case 2: |
2395 |
u.q = QT0; |
2396 |
stq_hypv(addr, u.ll.upper); |
2397 |
stq_hypv(addr + 8, u.ll.lower);
|
2398 |
break;
|
2399 |
#endif
|
2400 |
default:
|
2401 |
break;
|
2402 |
} |
2403 |
#else
|
2404 |
u.q = QT0; |
2405 |
address_mask(env, &addr); |
2406 |
stq_raw(addr, u.ll.upper); |
2407 |
stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower); |
2408 |
#endif
|
2409 |
} |
2410 |
|
2411 |
static inline void set_fsr(void) |
2412 |
{ |
2413 |
int rnd_mode;
|
2414 |
|
2415 |
switch (env->fsr & FSR_RD_MASK) {
|
2416 |
case FSR_RD_NEAREST:
|
2417 |
rnd_mode = float_round_nearest_even; |
2418 |
break;
|
2419 |
default:
|
2420 |
case FSR_RD_ZERO:
|
2421 |
rnd_mode = float_round_to_zero; |
2422 |
break;
|
2423 |
case FSR_RD_POS:
|
2424 |
rnd_mode = float_round_up; |
2425 |
break;
|
2426 |
case FSR_RD_NEG:
|
2427 |
rnd_mode = float_round_down; |
2428 |
break;
|
2429 |
} |
2430 |
set_float_rounding_mode(rnd_mode, &env->fp_status); |
2431 |
} |
2432 |
|
2433 |
void helper_ldfsr(uint32_t new_fsr)
|
2434 |
{ |
2435 |
env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK); |
2436 |
set_fsr(); |
2437 |
} |
2438 |
|
2439 |
#ifdef TARGET_SPARC64
|
2440 |
void helper_ldxfsr(uint64_t new_fsr)
|
2441 |
{ |
2442 |
env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK); |
2443 |
set_fsr(); |
2444 |
} |
2445 |
#endif
|
2446 |
|
2447 |
void helper_debug(void) |
2448 |
{ |
2449 |
env->exception_index = EXCP_DEBUG; |
2450 |
cpu_loop_exit(); |
2451 |
} |
2452 |
|
2453 |
#ifndef TARGET_SPARC64
|
2454 |
/* XXX: use another pointer for %iN registers to avoid slow wrapping
|
2455 |
handling ? */
|
2456 |
void helper_save(void) |
2457 |
{ |
2458 |
uint32_t cwp; |
2459 |
|
2460 |
cwp = cpu_cwp_dec(env, env->cwp - 1);
|
2461 |
if (env->wim & (1 << cwp)) { |
2462 |
raise_exception(TT_WIN_OVF); |
2463 |
} |
2464 |
set_cwp(cwp); |
2465 |
} |
2466 |
|
2467 |
void helper_restore(void) |
2468 |
{ |
2469 |
uint32_t cwp; |
2470 |
|
2471 |
cwp = cpu_cwp_inc(env, env->cwp + 1);
|
2472 |
if (env->wim & (1 << cwp)) { |
2473 |
raise_exception(TT_WIN_UNF); |
2474 |
} |
2475 |
set_cwp(cwp); |
2476 |
} |
2477 |
|
2478 |
void helper_wrpsr(target_ulong new_psr)
|
2479 |
{ |
2480 |
if ((new_psr & PSR_CWP) >= env->nwindows)
|
2481 |
raise_exception(TT_ILL_INSN); |
2482 |
else
|
2483 |
PUT_PSR(env, new_psr); |
2484 |
} |
2485 |
|
2486 |
target_ulong helper_rdpsr(void)
|
2487 |
{ |
2488 |
return GET_PSR(env);
|
2489 |
} |
2490 |
|
2491 |
#else
|
2492 |
/* XXX: use another pointer for %iN registers to avoid slow wrapping
|
2493 |
handling ? */
|
2494 |
void helper_save(void) |
2495 |
{ |
2496 |
uint32_t cwp; |
2497 |
|
2498 |
cwp = cpu_cwp_dec(env, env->cwp - 1);
|
2499 |
if (env->cansave == 0) { |
2500 |
raise_exception(TT_SPILL | (env->otherwin != 0 ?
|
2501 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
2502 |
((env->wstate & 0x7) << 2))); |
2503 |
} else {
|
2504 |
if (env->cleanwin - env->canrestore == 0) { |
2505 |
// XXX Clean windows without trap
|
2506 |
raise_exception(TT_CLRWIN); |
2507 |
} else {
|
2508 |
env->cansave--; |
2509 |
env->canrestore++; |
2510 |
set_cwp(cwp); |
2511 |
} |
2512 |
} |
2513 |
} |
2514 |
|
2515 |
void helper_restore(void) |
2516 |
{ |
2517 |
uint32_t cwp; |
2518 |
|
2519 |
cwp = cpu_cwp_inc(env, env->cwp + 1);
|
2520 |
if (env->canrestore == 0) { |
2521 |
raise_exception(TT_FILL | (env->otherwin != 0 ?
|
2522 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
2523 |
((env->wstate & 0x7) << 2))); |
2524 |
} else {
|
2525 |
env->cansave++; |
2526 |
env->canrestore--; |
2527 |
set_cwp(cwp); |
2528 |
} |
2529 |
} |
2530 |
|
2531 |
void helper_flushw(void) |
2532 |
{ |
2533 |
if (env->cansave != env->nwindows - 2) { |
2534 |
raise_exception(TT_SPILL | (env->otherwin != 0 ?
|
2535 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
2536 |
((env->wstate & 0x7) << 2))); |
2537 |
} |
2538 |
} |
2539 |
|
2540 |
void helper_saved(void) |
2541 |
{ |
2542 |
env->cansave++; |
2543 |
if (env->otherwin == 0) |
2544 |
env->canrestore--; |
2545 |
else
|
2546 |
env->otherwin--; |
2547 |
} |
2548 |
|
2549 |
void helper_restored(void) |
2550 |
{ |
2551 |
env->canrestore++; |
2552 |
if (env->cleanwin < env->nwindows - 1) |
2553 |
env->cleanwin++; |
2554 |
if (env->otherwin == 0) |
2555 |
env->cansave--; |
2556 |
else
|
2557 |
env->otherwin--; |
2558 |
} |
2559 |
|
2560 |
target_ulong helper_rdccr(void)
|
2561 |
{ |
2562 |
return GET_CCR(env);
|
2563 |
} |
2564 |
|
2565 |
void helper_wrccr(target_ulong new_ccr)
|
2566 |
{ |
2567 |
PUT_CCR(env, new_ccr); |
2568 |
} |
2569 |
|
2570 |
// CWP handling is reversed in V9, but we still use the V8 register
|
2571 |
// order.
|
2572 |
target_ulong helper_rdcwp(void)
|
2573 |
{ |
2574 |
return GET_CWP64(env);
|
2575 |
} |
2576 |
|
2577 |
void helper_wrcwp(target_ulong new_cwp)
|
2578 |
{ |
2579 |
PUT_CWP64(env, new_cwp); |
2580 |
} |
2581 |
|
2582 |
// This function uses non-native bit order
|
2583 |
#define GET_FIELD(X, FROM, TO) \
|
2584 |
((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1)) |
2585 |
|
2586 |
// This function uses the order in the manuals, i.e. bit 0 is 2^0
|
2587 |
#define GET_FIELD_SP(X, FROM, TO) \
|
2588 |
GET_FIELD(X, 63 - (TO), 63 - (FROM)) |
2589 |
|
2590 |
target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize) |
2591 |
{ |
2592 |
return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) | |
2593 |
(GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) | |
2594 |
(GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) | |
2595 |
(GET_FIELD_SP(pixel_addr, 56, 59) << 13) | |
2596 |
(GET_FIELD_SP(pixel_addr, 35, 38) << 9) | |
2597 |
(GET_FIELD_SP(pixel_addr, 13, 16) << 5) | |
2598 |
(((pixel_addr >> 55) & 1) << 4) | |
2599 |
(GET_FIELD_SP(pixel_addr, 33, 34) << 2) | |
2600 |
GET_FIELD_SP(pixel_addr, 11, 12); |
2601 |
} |
2602 |
|
2603 |
target_ulong helper_alignaddr(target_ulong addr, target_ulong offset) |
2604 |
{ |
2605 |
uint64_t tmp; |
2606 |
|
2607 |
tmp = addr + offset; |
2608 |
env->gsr &= ~7ULL;
|
2609 |
env->gsr |= tmp & 7ULL;
|
2610 |
return tmp & ~7ULL; |
2611 |
} |
2612 |
|
2613 |
target_ulong helper_popc(target_ulong val) |
2614 |
{ |
2615 |
return ctpop64(val);
|
2616 |
} |
2617 |
|
2618 |
static inline uint64_t *get_gregset(uint64_t pstate) |
2619 |
{ |
2620 |
switch (pstate) {
|
2621 |
default:
|
2622 |
case 0: |
2623 |
return env->bgregs;
|
2624 |
case PS_AG:
|
2625 |
return env->agregs;
|
2626 |
case PS_MG:
|
2627 |
return env->mgregs;
|
2628 |
case PS_IG:
|
2629 |
return env->igregs;
|
2630 |
} |
2631 |
} |
2632 |
|
2633 |
static inline void change_pstate(uint64_t new_pstate) |
2634 |
{ |
2635 |
uint64_t pstate_regs, new_pstate_regs; |
2636 |
uint64_t *src, *dst; |
2637 |
|
2638 |
pstate_regs = env->pstate & 0xc01;
|
2639 |
new_pstate_regs = new_pstate & 0xc01;
|
2640 |
if (new_pstate_regs != pstate_regs) {
|
2641 |
// Switch global register bank
|
2642 |
src = get_gregset(new_pstate_regs); |
2643 |
dst = get_gregset(pstate_regs); |
2644 |
memcpy32(dst, env->gregs); |
2645 |
memcpy32(env->gregs, src); |
2646 |
} |
2647 |
env->pstate = new_pstate; |
2648 |
} |
2649 |
|
2650 |
void helper_wrpstate(target_ulong new_state)
|
2651 |
{ |
2652 |
if (!(env->def->features & CPU_FEATURE_GL))
|
2653 |
change_pstate(new_state & 0xf3f);
|
2654 |
} |
2655 |
|
2656 |
void helper_done(void) |
2657 |
{ |
2658 |
env->pc = env->tsptr->tpc; |
2659 |
env->npc = env->tsptr->tnpc + 4;
|
2660 |
PUT_CCR(env, env->tsptr->tstate >> 32);
|
2661 |
env->asi = (env->tsptr->tstate >> 24) & 0xff; |
2662 |
change_pstate((env->tsptr->tstate >> 8) & 0xf3f); |
2663 |
PUT_CWP64(env, env->tsptr->tstate & 0xff);
|
2664 |
env->tl--; |
2665 |
env->tsptr = &env->ts[env->tl & MAXTL_MASK]; |
2666 |
} |
2667 |
|
2668 |
void helper_retry(void) |
2669 |
{ |
2670 |
env->pc = env->tsptr->tpc; |
2671 |
env->npc = env->tsptr->tnpc; |
2672 |
PUT_CCR(env, env->tsptr->tstate >> 32);
|
2673 |
env->asi = (env->tsptr->tstate >> 24) & 0xff; |
2674 |
change_pstate((env->tsptr->tstate >> 8) & 0xf3f); |
2675 |
PUT_CWP64(env, env->tsptr->tstate & 0xff);
|
2676 |
env->tl--; |
2677 |
env->tsptr = &env->ts[env->tl & MAXTL_MASK]; |
2678 |
} |
2679 |
#endif
|
2680 |
|
2681 |
void helper_flush(target_ulong addr)
|
2682 |
{ |
2683 |
addr &= ~7;
|
2684 |
tb_invalidate_page_range(addr, addr + 8);
|
2685 |
} |
2686 |
|
2687 |
#ifdef TARGET_SPARC64
|
2688 |
#ifdef DEBUG_PCALL
|
2689 |
static const char * const excp_names[0x80] = { |
2690 |
[TT_TFAULT] = "Instruction Access Fault",
|
2691 |
[TT_TMISS] = "Instruction Access MMU Miss",
|
2692 |
[TT_CODE_ACCESS] = "Instruction Access Error",
|
2693 |
[TT_ILL_INSN] = "Illegal Instruction",
|
2694 |
[TT_PRIV_INSN] = "Privileged Instruction",
|
2695 |
[TT_NFPU_INSN] = "FPU Disabled",
|
2696 |
[TT_FP_EXCP] = "FPU Exception",
|
2697 |
[TT_TOVF] = "Tag Overflow",
|
2698 |
[TT_CLRWIN] = "Clean Windows",
|
2699 |
[TT_DIV_ZERO] = "Division By Zero",
|
2700 |
[TT_DFAULT] = "Data Access Fault",
|
2701 |
[TT_DMISS] = "Data Access MMU Miss",
|
2702 |
[TT_DATA_ACCESS] = "Data Access Error",
|
2703 |
[TT_DPROT] = "Data Protection Error",
|
2704 |
[TT_UNALIGNED] = "Unaligned Memory Access",
|
2705 |
[TT_PRIV_ACT] = "Privileged Action",
|
2706 |
[TT_EXTINT | 0x1] = "External Interrupt 1", |
2707 |
[TT_EXTINT | 0x2] = "External Interrupt 2", |
2708 |
[TT_EXTINT | 0x3] = "External Interrupt 3", |
2709 |
[TT_EXTINT | 0x4] = "External Interrupt 4", |
2710 |
[TT_EXTINT | 0x5] = "External Interrupt 5", |
2711 |
[TT_EXTINT | 0x6] = "External Interrupt 6", |
2712 |
[TT_EXTINT | 0x7] = "External Interrupt 7", |
2713 |
[TT_EXTINT | 0x8] = "External Interrupt 8", |
2714 |
[TT_EXTINT | 0x9] = "External Interrupt 9", |
2715 |
[TT_EXTINT | 0xa] = "External Interrupt 10", |
2716 |
[TT_EXTINT | 0xb] = "External Interrupt 11", |
2717 |
[TT_EXTINT | 0xc] = "External Interrupt 12", |
2718 |
[TT_EXTINT | 0xd] = "External Interrupt 13", |
2719 |
[TT_EXTINT | 0xe] = "External Interrupt 14", |
2720 |
[TT_EXTINT | 0xf] = "External Interrupt 15", |
2721 |
}; |
2722 |
#endif
|
2723 |
|
2724 |
void do_interrupt(CPUState *env)
|
2725 |
{ |
2726 |
int intno = env->exception_index;
|
2727 |
|
2728 |
#ifdef DEBUG_PCALL
|
2729 |
if (loglevel & CPU_LOG_INT) {
|
2730 |
static int count; |
2731 |
const char *name; |
2732 |
|
2733 |
if (intno < 0 || intno >= 0x180) |
2734 |
name = "Unknown";
|
2735 |
else if (intno >= 0x100) |
2736 |
name = "Trap Instruction";
|
2737 |
else if (intno >= 0xc0) |
2738 |
name = "Window Fill";
|
2739 |
else if (intno >= 0x80) |
2740 |
name = "Window Spill";
|
2741 |
else {
|
2742 |
name = excp_names[intno]; |
2743 |
if (!name)
|
2744 |
name = "Unknown";
|
2745 |
} |
2746 |
|
2747 |
fprintf(logfile, "%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64 |
2748 |
" SP=%016" PRIx64 "\n", |
2749 |
count, name, intno, |
2750 |
env->pc, |
2751 |
env->npc, env->regwptr[6]);
|
2752 |
cpu_dump_state(env, logfile, fprintf, 0);
|
2753 |
#if 0
|
2754 |
{
|
2755 |
int i;
|
2756 |
uint8_t *ptr;
|
2757 |
|
2758 |
fprintf(logfile, " code=");
|
2759 |
ptr = (uint8_t *)env->pc;
|
2760 |
for(i = 0; i < 16; i++) {
|
2761 |
fprintf(logfile, " %02x", ldub(ptr + i));
|
2762 |
}
|
2763 |
fprintf(logfile, "\n");
|
2764 |
}
|
2765 |
#endif
|
2766 |
count++; |
2767 |
} |
2768 |
#endif
|
2769 |
#if !defined(CONFIG_USER_ONLY)
|
2770 |
if (env->tl >= env->maxtl) {
|
2771 |
cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
|
2772 |
" Error state", env->exception_index, env->tl, env->maxtl);
|
2773 |
return;
|
2774 |
} |
2775 |
#endif
|
2776 |
if (env->tl < env->maxtl - 1) { |
2777 |
env->tl++; |
2778 |
} else {
|
2779 |
env->pstate |= PS_RED; |
2780 |
if (env->tl < env->maxtl)
|
2781 |
env->tl++; |
2782 |
} |
2783 |
env->tsptr = &env->ts[env->tl & MAXTL_MASK]; |
2784 |
env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
|
2785 |
((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) | |
2786 |
GET_CWP64(env); |
2787 |
env->tsptr->tpc = env->pc; |
2788 |
env->tsptr->tnpc = env->npc; |
2789 |
env->tsptr->tt = intno; |
2790 |
if (!(env->def->features & CPU_FEATURE_GL)) {
|
2791 |
switch (intno) {
|
2792 |
case TT_IVEC:
|
2793 |
change_pstate(PS_PEF | PS_PRIV | PS_IG); |
2794 |
break;
|
2795 |
case TT_TFAULT:
|
2796 |
case TT_TMISS:
|
2797 |
case TT_DFAULT:
|
2798 |
case TT_DMISS:
|
2799 |
case TT_DPROT:
|
2800 |
change_pstate(PS_PEF | PS_PRIV | PS_MG); |
2801 |
break;
|
2802 |
default:
|
2803 |
change_pstate(PS_PEF | PS_PRIV | PS_AG); |
2804 |
break;
|
2805 |
} |
2806 |
} |
2807 |
if (intno == TT_CLRWIN)
|
2808 |
cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
|
2809 |
else if ((intno & 0x1c0) == TT_SPILL) |
2810 |
cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
|
2811 |
else if ((intno & 0x1c0) == TT_FILL) |
2812 |
cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
|
2813 |
env->tbr &= ~0x7fffULL;
|
2814 |
env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5); |
2815 |
env->pc = env->tbr; |
2816 |
env->npc = env->pc + 4;
|
2817 |
env->exception_index = 0;
|
2818 |
} |
2819 |
#else
|
2820 |
#ifdef DEBUG_PCALL
|
2821 |
static const char * const excp_names[0x80] = { |
2822 |
[TT_TFAULT] = "Instruction Access Fault",
|
2823 |
[TT_ILL_INSN] = "Illegal Instruction",
|
2824 |
[TT_PRIV_INSN] = "Privileged Instruction",
|
2825 |
[TT_NFPU_INSN] = "FPU Disabled",
|
2826 |
[TT_WIN_OVF] = "Window Overflow",
|
2827 |
[TT_WIN_UNF] = "Window Underflow",
|
2828 |
[TT_UNALIGNED] = "Unaligned Memory Access",
|
2829 |
[TT_FP_EXCP] = "FPU Exception",
|
2830 |
[TT_DFAULT] = "Data Access Fault",
|
2831 |
[TT_TOVF] = "Tag Overflow",
|
2832 |
[TT_EXTINT | 0x1] = "External Interrupt 1", |
2833 |
[TT_EXTINT | 0x2] = "External Interrupt 2", |
2834 |
[TT_EXTINT | 0x3] = "External Interrupt 3", |
2835 |
[TT_EXTINT | 0x4] = "External Interrupt 4", |
2836 |
[TT_EXTINT | 0x5] = "External Interrupt 5", |
2837 |
[TT_EXTINT | 0x6] = "External Interrupt 6", |
2838 |
[TT_EXTINT | 0x7] = "External Interrupt 7", |
2839 |
[TT_EXTINT | 0x8] = "External Interrupt 8", |
2840 |
[TT_EXTINT | 0x9] = "External Interrupt 9", |
2841 |
[TT_EXTINT | 0xa] = "External Interrupt 10", |
2842 |
[TT_EXTINT | 0xb] = "External Interrupt 11", |
2843 |
[TT_EXTINT | 0xc] = "External Interrupt 12", |
2844 |
[TT_EXTINT | 0xd] = "External Interrupt 13", |
2845 |
[TT_EXTINT | 0xe] = "External Interrupt 14", |
2846 |
[TT_EXTINT | 0xf] = "External Interrupt 15", |
2847 |
[TT_TOVF] = "Tag Overflow",
|
2848 |
[TT_CODE_ACCESS] = "Instruction Access Error",
|
2849 |
[TT_DATA_ACCESS] = "Data Access Error",
|
2850 |
[TT_DIV_ZERO] = "Division By Zero",
|
2851 |
[TT_NCP_INSN] = "Coprocessor Disabled",
|
2852 |
}; |
2853 |
#endif
|
2854 |
|
2855 |
void do_interrupt(CPUState *env)
|
2856 |
{ |
2857 |
int cwp, intno = env->exception_index;
|
2858 |
|
2859 |
#ifdef DEBUG_PCALL
|
2860 |
if (loglevel & CPU_LOG_INT) {
|
2861 |
static int count; |
2862 |
const char *name; |
2863 |
|
2864 |
if (intno < 0 || intno >= 0x100) |
2865 |
name = "Unknown";
|
2866 |
else if (intno >= 0x80) |
2867 |
name = "Trap Instruction";
|
2868 |
else {
|
2869 |
name = excp_names[intno]; |
2870 |
if (!name)
|
2871 |
name = "Unknown";
|
2872 |
} |
2873 |
|
2874 |
fprintf(logfile, "%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
|
2875 |
count, name, intno, |
2876 |
env->pc, |
2877 |
env->npc, env->regwptr[6]);
|
2878 |
cpu_dump_state(env, logfile, fprintf, 0);
|
2879 |
#if 0
|
2880 |
{
|
2881 |
int i;
|
2882 |
uint8_t *ptr;
|
2883 |
|
2884 |
fprintf(logfile, " code=");
|
2885 |
ptr = (uint8_t *)env->pc;
|
2886 |
for(i = 0; i < 16; i++) {
|
2887 |
fprintf(logfile, " %02x", ldub(ptr + i));
|
2888 |
}
|
2889 |
fprintf(logfile, "\n");
|
2890 |
}
|
2891 |
#endif
|
2892 |
count++; |
2893 |
} |
2894 |
#endif
|
2895 |
#if !defined(CONFIG_USER_ONLY)
|
2896 |
if (env->psret == 0) { |
2897 |
cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
|
2898 |
env->exception_index); |
2899 |
return;
|
2900 |
} |
2901 |
#endif
|
2902 |
env->psret = 0;
|
2903 |
cwp = cpu_cwp_dec(env, env->cwp - 1);
|
2904 |
cpu_set_cwp(env, cwp); |
2905 |
env->regwptr[9] = env->pc;
|
2906 |
env->regwptr[10] = env->npc;
|
2907 |
env->psrps = env->psrs; |
2908 |
env->psrs = 1;
|
2909 |
env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
|
2910 |
env->pc = env->tbr; |
2911 |
env->npc = env->pc + 4;
|
2912 |
env->exception_index = 0;
|
2913 |
} |
2914 |
#endif
|
2915 |
|
2916 |
#if !defined(CONFIG_USER_ONLY)
|
2917 |
|
2918 |
static void do_unaligned_access(target_ulong addr, int is_write, int is_user, |
2919 |
void *retaddr);
|
2920 |
|
2921 |
#define MMUSUFFIX _mmu
|
2922 |
#define ALIGNED_ONLY
|
2923 |
|
2924 |
#define SHIFT 0 |
2925 |
#include "softmmu_template.h" |
2926 |
|
2927 |
#define SHIFT 1 |
2928 |
#include "softmmu_template.h" |
2929 |
|
2930 |
#define SHIFT 2 |
2931 |
#include "softmmu_template.h" |
2932 |
|
2933 |
#define SHIFT 3 |
2934 |
#include "softmmu_template.h" |
2935 |
|
2936 |
/* XXX: make it generic ? */
|
2937 |
static void cpu_restore_state2(void *retaddr) |
2938 |
{ |
2939 |
TranslationBlock *tb; |
2940 |
unsigned long pc; |
2941 |
|
2942 |
if (retaddr) {
|
2943 |
/* now we have a real cpu fault */
|
2944 |
pc = (unsigned long)retaddr; |
2945 |
tb = tb_find_pc(pc); |
2946 |
if (tb) {
|
2947 |
/* the PC is inside the translated code. It means that we have
|
2948 |
a virtual CPU fault */
|
2949 |
cpu_restore_state(tb, env, pc, (void *)(long)env->cond); |
2950 |
} |
2951 |
} |
2952 |
} |
2953 |
|
2954 |
static void do_unaligned_access(target_ulong addr, int is_write, int is_user, |
2955 |
void *retaddr)
|
2956 |
{ |
2957 |
#ifdef DEBUG_UNALIGNED
|
2958 |
printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx |
2959 |
"\n", addr, env->pc);
|
2960 |
#endif
|
2961 |
cpu_restore_state2(retaddr); |
2962 |
raise_exception(TT_UNALIGNED); |
2963 |
} |
2964 |
|
2965 |
/* try to fill the TLB and return an exception if error. If retaddr is
|
2966 |
NULL, it means that the function was called in C code (i.e. not
|
2967 |
from generated code or from helper.c) */
|
2968 |
/* XXX: fix it to restore all registers */
|
2969 |
void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr) |
2970 |
{ |
2971 |
int ret;
|
2972 |
CPUState *saved_env; |
2973 |
|
2974 |
/* XXX: hack to restore env in all cases, even if not called from
|
2975 |
generated code */
|
2976 |
saved_env = env; |
2977 |
env = cpu_single_env; |
2978 |
|
2979 |
ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
|
2980 |
if (ret) {
|
2981 |
cpu_restore_state2(retaddr); |
2982 |
cpu_loop_exit(); |
2983 |
} |
2984 |
env = saved_env; |
2985 |
} |
2986 |
|
2987 |
#endif
|
2988 |
|
2989 |
#ifndef TARGET_SPARC64
|
2990 |
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
2991 |
int is_asi)
|
2992 |
{ |
2993 |
CPUState *saved_env; |
2994 |
|
2995 |
/* XXX: hack to restore env in all cases, even if not called from
|
2996 |
generated code */
|
2997 |
saved_env = env; |
2998 |
env = cpu_single_env; |
2999 |
#ifdef DEBUG_UNASSIGNED
|
3000 |
if (is_asi)
|
3001 |
printf("Unassigned mem %s access to " TARGET_FMT_plx
|
3002 |
" asi 0x%02x from " TARGET_FMT_lx "\n", |
3003 |
is_exec ? "exec" : is_write ? "write" : "read", addr, is_asi, |
3004 |
env->pc); |
3005 |
else
|
3006 |
printf("Unassigned mem %s access to " TARGET_FMT_plx " from " |
3007 |
TARGET_FMT_lx "\n",
|
3008 |
is_exec ? "exec" : is_write ? "write" : "read", addr, env->pc); |
3009 |
#endif
|
3010 |
if (env->mmuregs[3]) /* Fault status register */ |
3011 |
env->mmuregs[3] = 1; /* overflow (not read before another fault) */ |
3012 |
if (is_asi)
|
3013 |
env->mmuregs[3] |= 1 << 16; |
3014 |
if (env->psrs)
|
3015 |
env->mmuregs[3] |= 1 << 5; |
3016 |
if (is_exec)
|
3017 |
env->mmuregs[3] |= 1 << 6; |
3018 |
if (is_write)
|
3019 |
env->mmuregs[3] |= 1 << 7; |
3020 |
env->mmuregs[3] |= (5 << 2) | 2; |
3021 |
env->mmuregs[4] = addr; /* Fault address register */ |
3022 |
if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) { |
3023 |
if (is_exec)
|
3024 |
raise_exception(TT_CODE_ACCESS); |
3025 |
else
|
3026 |
raise_exception(TT_DATA_ACCESS); |
3027 |
} |
3028 |
env = saved_env; |
3029 |
} |
3030 |
#else
|
3031 |
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
3032 |
int is_asi)
|
3033 |
{ |
3034 |
#ifdef DEBUG_UNASSIGNED
|
3035 |
CPUState *saved_env; |
3036 |
|
3037 |
/* XXX: hack to restore env in all cases, even if not called from
|
3038 |
generated code */
|
3039 |
saved_env = env; |
3040 |
env = cpu_single_env; |
3041 |
printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx |
3042 |
"\n", addr, env->pc);
|
3043 |
env = saved_env; |
3044 |
#endif
|
3045 |
if (is_exec)
|
3046 |
raise_exception(TT_CODE_ACCESS); |
3047 |
else
|
3048 |
raise_exception(TT_DATA_ACCESS); |
3049 |
} |
3050 |
#endif
|
3051 |
|