root / target-sparc / op_helper.c @ e00c1e71
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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_ABI32
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#define ABI32_MASK(addr) do { (addr) &= 0xffffffffULL; } while (0) |
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#else
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#define ABI32_MASK(addr) do {} while (0) |
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#endif
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|
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void raise_exception(int tt) |
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{ |
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env->exception_index = tt; |
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cpu_loop_exit(); |
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} |
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|
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void helper_trap(target_ulong nb_trap)
|
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{ |
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env->exception_index = TT_TRAP + (nb_trap & 0x7f);
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cpu_loop_exit(); |
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} |
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|
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void helper_trapcc(target_ulong nb_trap, target_ulong do_trap)
|
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{ |
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if (do_trap) {
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env->exception_index = TT_TRAP + (nb_trap & 0x7f);
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cpu_loop_exit(); |
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} |
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} |
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|
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void helper_check_align(target_ulong addr, uint32_t align)
|
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{ |
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if (addr & align) {
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#ifdef DEBUG_UNALIGNED
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printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx |
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"\n", addr, env->pc);
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#endif
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raise_exception(TT_UNALIGNED); |
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} |
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} |
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|
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#define F_HELPER(name, p) void helper_f##name##p(void) |
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|
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#define F_BINOP(name) \
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F_HELPER(name, s) \ |
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{ \ |
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FT0 = float32_ ## name (FT0, FT1, &env->fp_status); \ |
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} \ |
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F_HELPER(name, d) \ |
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{ \ |
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DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \ |
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} \ |
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F_HELPER(name, q) \ |
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{ \ |
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QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \ |
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} |
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|
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F_BINOP(add); |
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F_BINOP(sub); |
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F_BINOP(mul); |
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F_BINOP(div); |
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#undef F_BINOP
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|
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void helper_fsmuld(void) |
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{ |
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DT0 = float64_mul(float32_to_float64(FT0, &env->fp_status), |
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float32_to_float64(FT1, &env->fp_status), |
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&env->fp_status); |
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} |
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|
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void helper_fdmulq(void) |
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{ |
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QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status), |
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float64_to_float128(DT1, &env->fp_status), |
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&env->fp_status); |
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} |
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|
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F_HELPER(neg, s) |
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{ |
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FT0 = float32_chs(FT1); |
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} |
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|
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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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F_HELPER(ito, s) |
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{ |
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FT0 = int32_to_float32(*((int32_t *)&FT1), &env->fp_status); |
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} |
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|
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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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void helper_fstoi(void) |
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{ |
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*((int32_t *)&FT0) = float32_to_int32_round_to_zero(FT1, &env->fp_status); |
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} |
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|
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void helper_fdtoi(void) |
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{ |
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*((int32_t *)&FT0) = float64_to_int32_round_to_zero(DT1, &env->fp_status); |
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} |
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|
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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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tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8); |
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*((uint64_t *)&DT0) = tmp; |
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} |
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|
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void helper_movl_FT0_0(void) |
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{ |
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*((uint32_t *)&FT0) = 0;
|
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} |
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|
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void helper_movl_DT0_0(void) |
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{ |
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*((uint64_t *)&DT0) = 0;
|
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} |
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|
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void helper_movl_FT0_1(void) |
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{ |
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*((uint32_t *)&FT0) = 0xffffffff;
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} |
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|
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void helper_movl_DT0_1(void) |
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{ |
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*((uint64_t *)&DT0) = 0xffffffffffffffffULL;
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} |
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|
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void helper_fnot(void) |
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{ |
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*(uint64_t *)&DT0 = ~*(uint64_t *)&DT1; |
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} |
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|
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void helper_fnots(void) |
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{ |
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*(uint32_t *)&FT0 = ~*(uint32_t *)&FT1; |
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} |
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|
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void helper_fnor(void) |
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{ |
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*(uint64_t *)&DT0 = ~(*(uint64_t *)&DT0 | *(uint64_t *)&DT1); |
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} |
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|
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void helper_fnors(void) |
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{ |
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*(uint32_t *)&FT0 = ~(*(uint32_t *)&FT0 | *(uint32_t *)&FT1); |
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} |
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|
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void helper_for(void) |
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{ |
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*(uint64_t *)&DT0 |= *(uint64_t *)&DT1; |
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} |
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|
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void helper_fors(void) |
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{ |
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*(uint32_t *)&FT0 |= *(uint32_t *)&FT1; |
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} |
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|
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void helper_fxor(void) |
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{ |
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*(uint64_t *)&DT0 ^= *(uint64_t *)&DT1; |
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} |
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|
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void helper_fxors(void) |
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{ |
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*(uint32_t *)&FT0 ^= *(uint32_t *)&FT1; |
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} |
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|
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void helper_fand(void) |
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{ |
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*(uint64_t *)&DT0 &= *(uint64_t *)&DT1; |
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} |
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|
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void helper_fands(void) |
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{ |
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*(uint32_t *)&FT0 &= *(uint32_t *)&FT1; |
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} |
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|
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void helper_fornot(void) |
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{ |
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*(uint64_t *)&DT0 = *(uint64_t *)&DT0 | ~*(uint64_t *)&DT1; |
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} |
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|
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void helper_fornots(void) |
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{ |
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*(uint32_t *)&FT0 = *(uint32_t *)&FT0 | ~*(uint32_t *)&FT1; |
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} |
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|
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void helper_fandnot(void) |
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{ |
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*(uint64_t *)&DT0 = *(uint64_t *)&DT0 & ~*(uint64_t *)&DT1; |
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} |
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|
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void helper_fandnots(void) |
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{ |
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*(uint32_t *)&FT0 = *(uint32_t *)&FT0 & ~*(uint32_t *)&FT1; |
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} |
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|
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void helper_fnand(void) |
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{ |
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*(uint64_t *)&DT0 = ~(*(uint64_t *)&DT0 & *(uint64_t *)&DT1); |
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} |
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|
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void helper_fnands(void) |
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{ |
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*(uint32_t *)&FT0 = ~(*(uint32_t *)&FT0 & *(uint32_t *)&FT1); |
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} |
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|
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void helper_fxnor(void) |
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{ |
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*(uint64_t *)&DT0 ^= ~*(uint64_t *)&DT1; |
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} |
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|
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void helper_fxnors(void) |
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{ |
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*(uint32_t *)&FT0 ^= ~*(uint32_t *)&FT1; |
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} |
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|
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#ifdef WORDS_BIGENDIAN
|
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#define VIS_B64(n) b[7 - (n)] |
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#define VIS_W64(n) w[3 - (n)] |
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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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|
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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; |
364 |
|
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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; |
371 |
|
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void helper_fpmerge(void) |
373 |
{ |
374 |
vis64 s, d; |
375 |
|
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s.d = DT0; |
377 |
d.d = DT1; |
378 |
|
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// Reverse calculation order to handle overlap
|
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d.VIS_B64(7) = s.VIS_B64(3); |
381 |
d.VIS_B64(6) = d.VIS_B64(3); |
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d.VIS_B64(5) = s.VIS_B64(2); |
383 |
d.VIS_B64(4) = d.VIS_B64(2); |
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d.VIS_B64(3) = s.VIS_B64(1); |
385 |
d.VIS_B64(2) = d.VIS_B64(1); |
386 |
d.VIS_B64(1) = s.VIS_B64(0); |
387 |
//d.VIS_B64(0) = d.VIS_B64(0);
|
388 |
|
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DT0 = d.d; |
390 |
} |
391 |
|
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void helper_fmul8x16(void) |
393 |
{ |
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) * (int32_t)s.VIS_B64(r); \ |
402 |
if ((tmp & 0xff) > 0x7f) \ |
403 |
tmp += 0x100; \
|
404 |
d.VIS_W64(r) = tmp >> 8;
|
405 |
|
406 |
PMUL(0);
|
407 |
PMUL(1);
|
408 |
PMUL(2);
|
409 |
PMUL(3);
|
410 |
#undef PMUL
|
411 |
|
412 |
DT0 = d.d; |
413 |
} |
414 |
|
415 |
void helper_fmul8x16al(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(1) * (int32_t)s.VIS_B64(r); \
|
425 |
if ((tmp & 0xff) > 0x7f) \ |
426 |
tmp += 0x100; \
|
427 |
d.VIS_W64(r) = tmp >> 8;
|
428 |
|
429 |
PMUL(0);
|
430 |
PMUL(1);
|
431 |
PMUL(2);
|
432 |
PMUL(3);
|
433 |
#undef PMUL
|
434 |
|
435 |
DT0 = d.d; |
436 |
} |
437 |
|
438 |
void helper_fmul8x16au(void) |
439 |
{ |
440 |
vis64 s, d; |
441 |
uint32_t tmp; |
442 |
|
443 |
s.d = DT0; |
444 |
d.d = DT1; |
445 |
|
446 |
#define PMUL(r) \
|
447 |
tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
|
448 |
if ((tmp & 0xff) > 0x7f) \ |
449 |
tmp += 0x100; \
|
450 |
d.VIS_W64(r) = tmp >> 8;
|
451 |
|
452 |
PMUL(0);
|
453 |
PMUL(1);
|
454 |
PMUL(2);
|
455 |
PMUL(3);
|
456 |
#undef PMUL
|
457 |
|
458 |
DT0 = d.d; |
459 |
} |
460 |
|
461 |
void helper_fmul8sux16(void) |
462 |
{ |
463 |
vis64 s, d; |
464 |
uint32_t tmp; |
465 |
|
466 |
s.d = DT0; |
467 |
d.d = DT1; |
468 |
|
469 |
#define PMUL(r) \
|
470 |
tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
|
471 |
if ((tmp & 0xff) > 0x7f) \ |
472 |
tmp += 0x100; \
|
473 |
d.VIS_W64(r) = tmp >> 8;
|
474 |
|
475 |
PMUL(0);
|
476 |
PMUL(1);
|
477 |
PMUL(2);
|
478 |
PMUL(3);
|
479 |
#undef PMUL
|
480 |
|
481 |
DT0 = d.d; |
482 |
} |
483 |
|
484 |
void helper_fmul8ulx16(void) |
485 |
{ |
486 |
vis64 s, d; |
487 |
uint32_t tmp; |
488 |
|
489 |
s.d = DT0; |
490 |
d.d = DT1; |
491 |
|
492 |
#define PMUL(r) \
|
493 |
tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
|
494 |
if ((tmp & 0xff) > 0x7f) \ |
495 |
tmp += 0x100; \
|
496 |
d.VIS_W64(r) = tmp >> 8;
|
497 |
|
498 |
PMUL(0);
|
499 |
PMUL(1);
|
500 |
PMUL(2);
|
501 |
PMUL(3);
|
502 |
#undef PMUL
|
503 |
|
504 |
DT0 = d.d; |
505 |
} |
506 |
|
507 |
void helper_fmuld8sux16(void) |
508 |
{ |
509 |
vis64 s, d; |
510 |
uint32_t tmp; |
511 |
|
512 |
s.d = DT0; |
513 |
d.d = DT1; |
514 |
|
515 |
#define PMUL(r) \
|
516 |
tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
|
517 |
if ((tmp & 0xff) > 0x7f) \ |
518 |
tmp += 0x100; \
|
519 |
d.VIS_L64(r) = tmp; |
520 |
|
521 |
// Reverse calculation order to handle overlap
|
522 |
PMUL(1);
|
523 |
PMUL(0);
|
524 |
#undef PMUL
|
525 |
|
526 |
DT0 = d.d; |
527 |
} |
528 |
|
529 |
void helper_fmuld8ulx16(void) |
530 |
{ |
531 |
vis64 s, d; |
532 |
uint32_t tmp; |
533 |
|
534 |
s.d = DT0; |
535 |
d.d = DT1; |
536 |
|
537 |
#define PMUL(r) \
|
538 |
tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
|
539 |
if ((tmp & 0xff) > 0x7f) \ |
540 |
tmp += 0x100; \
|
541 |
d.VIS_L64(r) = tmp; |
542 |
|
543 |
// Reverse calculation order to handle overlap
|
544 |
PMUL(1);
|
545 |
PMUL(0);
|
546 |
#undef PMUL
|
547 |
|
548 |
DT0 = d.d; |
549 |
} |
550 |
|
551 |
void helper_fexpand(void) |
552 |
{ |
553 |
vis32 s; |
554 |
vis64 d; |
555 |
|
556 |
s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
|
557 |
d.d = DT1; |
558 |
d.VIS_L64(0) = s.VIS_W32(0) << 4; |
559 |
d.VIS_L64(1) = s.VIS_W32(1) << 4; |
560 |
d.VIS_L64(2) = s.VIS_W32(2) << 4; |
561 |
d.VIS_L64(3) = s.VIS_W32(3) << 4; |
562 |
|
563 |
DT0 = d.d; |
564 |
} |
565 |
|
566 |
#define VIS_HELPER(name, F) \
|
567 |
void name##16(void) \ |
568 |
{ \ |
569 |
vis64 s, d; \ |
570 |
\ |
571 |
s.d = DT0; \ |
572 |
d.d = DT1; \ |
573 |
\ |
574 |
d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \ |
575 |
d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \ |
576 |
d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \ |
577 |
d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \ |
578 |
\ |
579 |
DT0 = d.d; \ |
580 |
} \ |
581 |
\ |
582 |
void name##16s(void) \ |
583 |
{ \ |
584 |
vis32 s, d; \ |
585 |
\ |
586 |
s.f = FT0; \ |
587 |
d.f = FT1; \ |
588 |
\ |
589 |
d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \ |
590 |
d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \ |
591 |
\ |
592 |
FT0 = d.f; \ |
593 |
} \ |
594 |
\ |
595 |
void name##32(void) \ |
596 |
{ \ |
597 |
vis64 s, d; \ |
598 |
\ |
599 |
s.d = DT0; \ |
600 |
d.d = DT1; \ |
601 |
\ |
602 |
d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \ |
603 |
d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \ |
604 |
\ |
605 |
DT0 = d.d; \ |
606 |
} \ |
607 |
\ |
608 |
void name##32s(void) \ |
609 |
{ \ |
610 |
vis32 s, d; \ |
611 |
\ |
612 |
s.f = FT0; \ |
613 |
d.f = FT1; \ |
614 |
\ |
615 |
d.l = F(d.l, s.l); \ |
616 |
\ |
617 |
FT0 = d.f; \ |
618 |
} |
619 |
|
620 |
#define FADD(a, b) ((a) + (b))
|
621 |
#define FSUB(a, b) ((a) - (b))
|
622 |
VIS_HELPER(helper_fpadd, FADD) |
623 |
VIS_HELPER(helper_fpsub, FSUB) |
624 |
|
625 |
#define VIS_CMPHELPER(name, F) \
|
626 |
void name##16(void) \ |
627 |
{ \ |
628 |
vis64 s, d; \ |
629 |
\ |
630 |
s.d = DT0; \ |
631 |
d.d = DT1; \ |
632 |
\ |
633 |
d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0))? 1: 0; \ |
634 |
d.VIS_W64(0) |= F(d.VIS_W64(1), s.VIS_W64(1))? 2: 0; \ |
635 |
d.VIS_W64(0) |= F(d.VIS_W64(2), s.VIS_W64(2))? 4: 0; \ |
636 |
d.VIS_W64(0) |= F(d.VIS_W64(3), s.VIS_W64(3))? 8: 0; \ |
637 |
\ |
638 |
DT0 = d.d; \ |
639 |
} \ |
640 |
\ |
641 |
void name##32(void) \ |
642 |
{ \ |
643 |
vis64 s, d; \ |
644 |
\ |
645 |
s.d = DT0; \ |
646 |
d.d = DT1; \ |
647 |
\ |
648 |
d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0))? 1: 0; \ |
649 |
d.VIS_L64(0) |= F(d.VIS_L64(1), s.VIS_L64(1))? 2: 0; \ |
650 |
\ |
651 |
DT0 = d.d; \ |
652 |
} |
653 |
|
654 |
#define FCMPGT(a, b) ((a) > (b))
|
655 |
#define FCMPEQ(a, b) ((a) == (b))
|
656 |
#define FCMPLE(a, b) ((a) <= (b))
|
657 |
#define FCMPNE(a, b) ((a) != (b))
|
658 |
|
659 |
VIS_CMPHELPER(helper_fcmpgt, FCMPGT) |
660 |
VIS_CMPHELPER(helper_fcmpeq, FCMPEQ) |
661 |
VIS_CMPHELPER(helper_fcmple, FCMPLE) |
662 |
VIS_CMPHELPER(helper_fcmpne, FCMPNE) |
663 |
#endif
|
664 |
|
665 |
void helper_check_ieee_exceptions(void) |
666 |
{ |
667 |
target_ulong status; |
668 |
|
669 |
status = get_float_exception_flags(&env->fp_status); |
670 |
if (status) {
|
671 |
/* Copy IEEE 754 flags into FSR */
|
672 |
if (status & float_flag_invalid)
|
673 |
env->fsr |= FSR_NVC; |
674 |
if (status & float_flag_overflow)
|
675 |
env->fsr |= FSR_OFC; |
676 |
if (status & float_flag_underflow)
|
677 |
env->fsr |= FSR_UFC; |
678 |
if (status & float_flag_divbyzero)
|
679 |
env->fsr |= FSR_DZC; |
680 |
if (status & float_flag_inexact)
|
681 |
env->fsr |= FSR_NXC; |
682 |
|
683 |
if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) { |
684 |
/* Unmasked exception, generate a trap */
|
685 |
env->fsr |= FSR_FTT_IEEE_EXCP; |
686 |
raise_exception(TT_FP_EXCP); |
687 |
} else {
|
688 |
/* Accumulate exceptions */
|
689 |
env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5;
|
690 |
} |
691 |
} |
692 |
} |
693 |
|
694 |
void helper_clear_float_exceptions(void) |
695 |
{ |
696 |
set_float_exception_flags(0, &env->fp_status);
|
697 |
} |
698 |
|
699 |
void helper_fabss(void) |
700 |
{ |
701 |
FT0 = float32_abs(FT1); |
702 |
} |
703 |
|
704 |
#ifdef TARGET_SPARC64
|
705 |
void helper_fabsd(void) |
706 |
{ |
707 |
DT0 = float64_abs(DT1); |
708 |
} |
709 |
|
710 |
void helper_fabsq(void) |
711 |
{ |
712 |
QT0 = float128_abs(QT1); |
713 |
} |
714 |
#endif
|
715 |
|
716 |
void helper_fsqrts(void) |
717 |
{ |
718 |
FT0 = float32_sqrt(FT1, &env->fp_status); |
719 |
} |
720 |
|
721 |
void helper_fsqrtd(void) |
722 |
{ |
723 |
DT0 = float64_sqrt(DT1, &env->fp_status); |
724 |
} |
725 |
|
726 |
void helper_fsqrtq(void) |
727 |
{ |
728 |
QT0 = float128_sqrt(QT1, &env->fp_status); |
729 |
} |
730 |
|
731 |
#define GEN_FCMP(name, size, reg1, reg2, FS, TRAP) \
|
732 |
void glue(helper_, name) (void) \ |
733 |
{ \ |
734 |
target_ulong new_fsr; \ |
735 |
\ |
736 |
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \ |
737 |
switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
|
738 |
case float_relation_unordered: \
|
739 |
new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \ |
740 |
if ((env->fsr & FSR_NVM) || TRAP) { \
|
741 |
env->fsr |= new_fsr; \ |
742 |
env->fsr |= FSR_NVC; \ |
743 |
env->fsr |= FSR_FTT_IEEE_EXCP; \ |
744 |
raise_exception(TT_FP_EXCP); \ |
745 |
} else { \
|
746 |
env->fsr |= FSR_NVA; \ |
747 |
} \ |
748 |
break; \
|
749 |
case float_relation_less: \
|
750 |
new_fsr = FSR_FCC0 << FS; \ |
751 |
break; \
|
752 |
case float_relation_greater: \
|
753 |
new_fsr = FSR_FCC1 << FS; \ |
754 |
break; \
|
755 |
default: \
|
756 |
new_fsr = 0; \
|
757 |
break; \
|
758 |
} \ |
759 |
env->fsr |= new_fsr; \ |
760 |
} |
761 |
|
762 |
GEN_FCMP(fcmps, float32, FT0, FT1, 0, 0); |
763 |
GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0); |
764 |
|
765 |
GEN_FCMP(fcmpes, float32, FT0, FT1, 0, 1); |
766 |
GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1); |
767 |
|
768 |
GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0); |
769 |
GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1); |
770 |
|
771 |
#ifdef TARGET_SPARC64
|
772 |
GEN_FCMP(fcmps_fcc1, float32, FT0, FT1, 22, 0); |
773 |
GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0); |
774 |
GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0); |
775 |
|
776 |
GEN_FCMP(fcmps_fcc2, float32, FT0, FT1, 24, 0); |
777 |
GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0); |
778 |
GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0); |
779 |
|
780 |
GEN_FCMP(fcmps_fcc3, float32, FT0, FT1, 26, 0); |
781 |
GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0); |
782 |
GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0); |
783 |
|
784 |
GEN_FCMP(fcmpes_fcc1, float32, FT0, FT1, 22, 1); |
785 |
GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1); |
786 |
GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1); |
787 |
|
788 |
GEN_FCMP(fcmpes_fcc2, float32, FT0, FT1, 24, 1); |
789 |
GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1); |
790 |
GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1); |
791 |
|
792 |
GEN_FCMP(fcmpes_fcc3, float32, FT0, FT1, 26, 1); |
793 |
GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1); |
794 |
GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1); |
795 |
#endif
|
796 |
|
797 |
#if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
|
798 |
defined(DEBUG_MXCC) |
799 |
static void dump_mxcc(CPUState *env) |
800 |
{ |
801 |
printf("mxccdata: %016llx %016llx %016llx %016llx\n",
|
802 |
env->mxccdata[0], env->mxccdata[1], |
803 |
env->mxccdata[2], env->mxccdata[3]); |
804 |
printf("mxccregs: %016llx %016llx %016llx %016llx\n"
|
805 |
" %016llx %016llx %016llx %016llx\n",
|
806 |
env->mxccregs[0], env->mxccregs[1], |
807 |
env->mxccregs[2], env->mxccregs[3], |
808 |
env->mxccregs[4], env->mxccregs[5], |
809 |
env->mxccregs[6], env->mxccregs[7]); |
810 |
} |
811 |
#endif
|
812 |
|
813 |
#if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
|
814 |
&& defined(DEBUG_ASI) |
815 |
static void dump_asi(const char *txt, target_ulong addr, int asi, int size, |
816 |
uint64_t r1) |
817 |
{ |
818 |
switch (size)
|
819 |
{ |
820 |
case 1: |
821 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt, |
822 |
addr, asi, r1 & 0xff);
|
823 |
break;
|
824 |
case 2: |
825 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt, |
826 |
addr, asi, r1 & 0xffff);
|
827 |
break;
|
828 |
case 4: |
829 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt, |
830 |
addr, asi, r1 & 0xffffffff);
|
831 |
break;
|
832 |
case 8: |
833 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt, |
834 |
addr, asi, r1); |
835 |
break;
|
836 |
} |
837 |
} |
838 |
#endif
|
839 |
|
840 |
#ifndef TARGET_SPARC64
|
841 |
#ifndef CONFIG_USER_ONLY
|
842 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
843 |
{ |
844 |
uint64_t ret = 0;
|
845 |
#if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
|
846 |
uint32_t last_addr = addr; |
847 |
#endif
|
848 |
|
849 |
helper_check_align(addr, size - 1);
|
850 |
switch (asi) {
|
851 |
case 2: /* SuperSparc MXCC registers */ |
852 |
switch (addr) {
|
853 |
case 0x01c00a00: /* MXCC control register */ |
854 |
if (size == 8) |
855 |
ret = env->mxccregs[3];
|
856 |
else
|
857 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
858 |
size); |
859 |
break;
|
860 |
case 0x01c00a04: /* MXCC control register */ |
861 |
if (size == 4) |
862 |
ret = env->mxccregs[3];
|
863 |
else
|
864 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
865 |
size); |
866 |
break;
|
867 |
case 0x01c00c00: /* Module reset register */ |
868 |
if (size == 8) { |
869 |
ret = env->mxccregs[5];
|
870 |
// should we do something here?
|
871 |
} else
|
872 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
873 |
size); |
874 |
break;
|
875 |
case 0x01c00f00: /* MBus port address register */ |
876 |
if (size == 8) |
877 |
ret = env->mxccregs[7];
|
878 |
else
|
879 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
880 |
size); |
881 |
break;
|
882 |
default:
|
883 |
DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
|
884 |
size); |
885 |
break;
|
886 |
} |
887 |
DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
|
888 |
"addr = %08x -> ret = %08x,"
|
889 |
"addr = %08x\n", asi, size, sign, last_addr, ret, addr);
|
890 |
#ifdef DEBUG_MXCC
|
891 |
dump_mxcc(env); |
892 |
#endif
|
893 |
break;
|
894 |
case 3: /* MMU probe */ |
895 |
{ |
896 |
int mmulev;
|
897 |
|
898 |
mmulev = (addr >> 8) & 15; |
899 |
if (mmulev > 4) |
900 |
ret = 0;
|
901 |
else
|
902 |
ret = mmu_probe(env, addr, mmulev); |
903 |
DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n", |
904 |
addr, mmulev, ret); |
905 |
} |
906 |
break;
|
907 |
case 4: /* read MMU regs */ |
908 |
{ |
909 |
int reg = (addr >> 8) & 0x1f; |
910 |
|
911 |
ret = env->mmuregs[reg]; |
912 |
if (reg == 3) /* Fault status cleared on read */ |
913 |
env->mmuregs[3] = 0; |
914 |
else if (reg == 0x13) /* Fault status read */ |
915 |
ret = env->mmuregs[3];
|
916 |
else if (reg == 0x14) /* Fault address read */ |
917 |
ret = env->mmuregs[4];
|
918 |
DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret); |
919 |
} |
920 |
break;
|
921 |
case 5: // Turbosparc ITLB Diagnostic |
922 |
case 6: // Turbosparc DTLB Diagnostic |
923 |
case 7: // Turbosparc IOTLB Diagnostic |
924 |
break;
|
925 |
case 9: /* Supervisor code access */ |
926 |
switch(size) {
|
927 |
case 1: |
928 |
ret = ldub_code(addr); |
929 |
break;
|
930 |
case 2: |
931 |
ret = lduw_code(addr); |
932 |
break;
|
933 |
default:
|
934 |
case 4: |
935 |
ret = ldl_code(addr); |
936 |
break;
|
937 |
case 8: |
938 |
ret = ldq_code(addr); |
939 |
break;
|
940 |
} |
941 |
break;
|
942 |
case 0xa: /* User data access */ |
943 |
switch(size) {
|
944 |
case 1: |
945 |
ret = ldub_user(addr); |
946 |
break;
|
947 |
case 2: |
948 |
ret = lduw_user(addr); |
949 |
break;
|
950 |
default:
|
951 |
case 4: |
952 |
ret = ldl_user(addr); |
953 |
break;
|
954 |
case 8: |
955 |
ret = ldq_user(addr); |
956 |
break;
|
957 |
} |
958 |
break;
|
959 |
case 0xb: /* Supervisor data access */ |
960 |
switch(size) {
|
961 |
case 1: |
962 |
ret = ldub_kernel(addr); |
963 |
break;
|
964 |
case 2: |
965 |
ret = lduw_kernel(addr); |
966 |
break;
|
967 |
default:
|
968 |
case 4: |
969 |
ret = ldl_kernel(addr); |
970 |
break;
|
971 |
case 8: |
972 |
ret = ldq_kernel(addr); |
973 |
break;
|
974 |
} |
975 |
break;
|
976 |
case 0xc: /* I-cache tag */ |
977 |
case 0xd: /* I-cache data */ |
978 |
case 0xe: /* D-cache tag */ |
979 |
case 0xf: /* D-cache data */ |
980 |
break;
|
981 |
case 0x20: /* MMU passthrough */ |
982 |
switch(size) {
|
983 |
case 1: |
984 |
ret = ldub_phys(addr); |
985 |
break;
|
986 |
case 2: |
987 |
ret = lduw_phys(addr); |
988 |
break;
|
989 |
default:
|
990 |
case 4: |
991 |
ret = ldl_phys(addr); |
992 |
break;
|
993 |
case 8: |
994 |
ret = ldq_phys(addr); |
995 |
break;
|
996 |
} |
997 |
break;
|
998 |
case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */ |
999 |
switch(size) {
|
1000 |
case 1: |
1001 |
ret = ldub_phys((target_phys_addr_t)addr |
1002 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
1003 |
break;
|
1004 |
case 2: |
1005 |
ret = lduw_phys((target_phys_addr_t)addr |
1006 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
1007 |
break;
|
1008 |
default:
|
1009 |
case 4: |
1010 |
ret = ldl_phys((target_phys_addr_t)addr |
1011 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
1012 |
break;
|
1013 |
case 8: |
1014 |
ret = ldq_phys((target_phys_addr_t)addr |
1015 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
1016 |
break;
|
1017 |
} |
1018 |
break;
|
1019 |
case 0x30: // Turbosparc secondary cache diagnostic |
1020 |
case 0x31: // Turbosparc RAM snoop |
1021 |
case 0x32: // Turbosparc page table descriptor diagnostic |
1022 |
case 0x39: /* data cache diagnostic register */ |
1023 |
ret = 0;
|
1024 |
break;
|
1025 |
case 8: /* User code access, XXX */ |
1026 |
default:
|
1027 |
do_unassigned_access(addr, 0, 0, asi); |
1028 |
ret = 0;
|
1029 |
break;
|
1030 |
} |
1031 |
if (sign) {
|
1032 |
switch(size) {
|
1033 |
case 1: |
1034 |
ret = (int8_t) ret; |
1035 |
break;
|
1036 |
case 2: |
1037 |
ret = (int16_t) ret; |
1038 |
break;
|
1039 |
case 4: |
1040 |
ret = (int32_t) ret; |
1041 |
break;
|
1042 |
default:
|
1043 |
break;
|
1044 |
} |
1045 |
} |
1046 |
#ifdef DEBUG_ASI
|
1047 |
dump_asi("read ", last_addr, asi, size, ret);
|
1048 |
#endif
|
1049 |
return ret;
|
1050 |
} |
1051 |
|
1052 |
void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size) |
1053 |
{ |
1054 |
helper_check_align(addr, size - 1);
|
1055 |
switch(asi) {
|
1056 |
case 2: /* SuperSparc MXCC registers */ |
1057 |
switch (addr) {
|
1058 |
case 0x01c00000: /* MXCC stream data register 0 */ |
1059 |
if (size == 8) |
1060 |
env->mxccdata[0] = val;
|
1061 |
else
|
1062 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1063 |
size); |
1064 |
break;
|
1065 |
case 0x01c00008: /* MXCC stream data register 1 */ |
1066 |
if (size == 8) |
1067 |
env->mxccdata[1] = val;
|
1068 |
else
|
1069 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1070 |
size); |
1071 |
break;
|
1072 |
case 0x01c00010: /* MXCC stream data register 2 */ |
1073 |
if (size == 8) |
1074 |
env->mxccdata[2] = val;
|
1075 |
else
|
1076 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1077 |
size); |
1078 |
break;
|
1079 |
case 0x01c00018: /* MXCC stream data register 3 */ |
1080 |
if (size == 8) |
1081 |
env->mxccdata[3] = val;
|
1082 |
else
|
1083 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1084 |
size); |
1085 |
break;
|
1086 |
case 0x01c00100: /* MXCC stream source */ |
1087 |
if (size == 8) |
1088 |
env->mxccregs[0] = val;
|
1089 |
else
|
1090 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1091 |
size); |
1092 |
env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
1093 |
0);
|
1094 |
env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
1095 |
8);
|
1096 |
env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
1097 |
16);
|
1098 |
env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
1099 |
24);
|
1100 |
break;
|
1101 |
case 0x01c00200: /* MXCC stream destination */ |
1102 |
if (size == 8) |
1103 |
env->mxccregs[1] = val;
|
1104 |
else
|
1105 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1106 |
size); |
1107 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0, |
1108 |
env->mxccdata[0]);
|
1109 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8, |
1110 |
env->mxccdata[1]);
|
1111 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16, |
1112 |
env->mxccdata[2]);
|
1113 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24, |
1114 |
env->mxccdata[3]);
|
1115 |
break;
|
1116 |
case 0x01c00a00: /* MXCC control register */ |
1117 |
if (size == 8) |
1118 |
env->mxccregs[3] = val;
|
1119 |
else
|
1120 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1121 |
size); |
1122 |
break;
|
1123 |
case 0x01c00a04: /* MXCC control register */ |
1124 |
if (size == 4) |
1125 |
env->mxccregs[3] = (env->mxccregs[0xa] & 0xffffffff00000000ULL) |
1126 |
| val; |
1127 |
else
|
1128 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1129 |
size); |
1130 |
break;
|
1131 |
case 0x01c00e00: /* MXCC error register */ |
1132 |
// writing a 1 bit clears the error
|
1133 |
if (size == 8) |
1134 |
env->mxccregs[6] &= ~val;
|
1135 |
else
|
1136 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1137 |
size); |
1138 |
break;
|
1139 |
case 0x01c00f00: /* MBus port address register */ |
1140 |
if (size == 8) |
1141 |
env->mxccregs[7] = val;
|
1142 |
else
|
1143 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1144 |
size); |
1145 |
break;
|
1146 |
default:
|
1147 |
DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
|
1148 |
size); |
1149 |
break;
|
1150 |
} |
1151 |
DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %08x\n", asi,
|
1152 |
size, addr, val); |
1153 |
#ifdef DEBUG_MXCC
|
1154 |
dump_mxcc(env); |
1155 |
#endif
|
1156 |
break;
|
1157 |
case 3: /* MMU flush */ |
1158 |
{ |
1159 |
int mmulev;
|
1160 |
|
1161 |
mmulev = (addr >> 8) & 15; |
1162 |
DPRINTF_MMU("mmu flush level %d\n", mmulev);
|
1163 |
switch (mmulev) {
|
1164 |
case 0: // flush page |
1165 |
tlb_flush_page(env, addr & 0xfffff000);
|
1166 |
break;
|
1167 |
case 1: // flush segment (256k) |
1168 |
case 2: // flush region (16M) |
1169 |
case 3: // flush context (4G) |
1170 |
case 4: // flush entire |
1171 |
tlb_flush(env, 1);
|
1172 |
break;
|
1173 |
default:
|
1174 |
break;
|
1175 |
} |
1176 |
#ifdef DEBUG_MMU
|
1177 |
dump_mmu(env); |
1178 |
#endif
|
1179 |
} |
1180 |
break;
|
1181 |
case 4: /* write MMU regs */ |
1182 |
{ |
1183 |
int reg = (addr >> 8) & 0x1f; |
1184 |
uint32_t oldreg; |
1185 |
|
1186 |
oldreg = env->mmuregs[reg]; |
1187 |
switch(reg) {
|
1188 |
case 0: // Control Register |
1189 |
env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
|
1190 |
(val & 0x00ffffff);
|
1191 |
// Mappings generated during no-fault mode or MMU
|
1192 |
// disabled mode are invalid in normal mode
|
1193 |
if ((oldreg & (MMU_E | MMU_NF | env->mmu_bm)) !=
|
1194 |
(env->mmuregs[reg] & (MMU_E | MMU_NF | env->mmu_bm))) |
1195 |
tlb_flush(env, 1);
|
1196 |
break;
|
1197 |
case 1: // Context Table Pointer Register |
1198 |
env->mmuregs[reg] = val & env->mmu_ctpr_mask; |
1199 |
break;
|
1200 |
case 2: // Context Register |
1201 |
env->mmuregs[reg] = val & env->mmu_cxr_mask; |
1202 |
if (oldreg != env->mmuregs[reg]) {
|
1203 |
/* we flush when the MMU context changes because
|
1204 |
QEMU has no MMU context support */
|
1205 |
tlb_flush(env, 1);
|
1206 |
} |
1207 |
break;
|
1208 |
case 3: // Synchronous Fault Status Register with Clear |
1209 |
case 4: // Synchronous Fault Address Register |
1210 |
break;
|
1211 |
case 0x10: // TLB Replacement Control Register |
1212 |
env->mmuregs[reg] = val & env->mmu_trcr_mask; |
1213 |
break;
|
1214 |
case 0x13: // Synchronous Fault Status Register with Read and Clear |
1215 |
env->mmuregs[3] = val & env->mmu_sfsr_mask;
|
1216 |
break;
|
1217 |
case 0x14: // Synchronous Fault Address Register |
1218 |
env->mmuregs[4] = val;
|
1219 |
break;
|
1220 |
default:
|
1221 |
env->mmuregs[reg] = val; |
1222 |
break;
|
1223 |
} |
1224 |
if (oldreg != env->mmuregs[reg]) {
|
1225 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
|
1226 |
reg, oldreg, env->mmuregs[reg]); |
1227 |
} |
1228 |
#ifdef DEBUG_MMU
|
1229 |
dump_mmu(env); |
1230 |
#endif
|
1231 |
} |
1232 |
break;
|
1233 |
case 5: // Turbosparc ITLB Diagnostic |
1234 |
case 6: // Turbosparc DTLB Diagnostic |
1235 |
case 7: // Turbosparc IOTLB Diagnostic |
1236 |
break;
|
1237 |
case 0xa: /* User data access */ |
1238 |
switch(size) {
|
1239 |
case 1: |
1240 |
stb_user(addr, val); |
1241 |
break;
|
1242 |
case 2: |
1243 |
stw_user(addr, val); |
1244 |
break;
|
1245 |
default:
|
1246 |
case 4: |
1247 |
stl_user(addr, val); |
1248 |
break;
|
1249 |
case 8: |
1250 |
stq_user(addr, val); |
1251 |
break;
|
1252 |
} |
1253 |
break;
|
1254 |
case 0xb: /* Supervisor data access */ |
1255 |
switch(size) {
|
1256 |
case 1: |
1257 |
stb_kernel(addr, val); |
1258 |
break;
|
1259 |
case 2: |
1260 |
stw_kernel(addr, val); |
1261 |
break;
|
1262 |
default:
|
1263 |
case 4: |
1264 |
stl_kernel(addr, val); |
1265 |
break;
|
1266 |
case 8: |
1267 |
stq_kernel(addr, val); |
1268 |
break;
|
1269 |
} |
1270 |
break;
|
1271 |
case 0xc: /* I-cache tag */ |
1272 |
case 0xd: /* I-cache data */ |
1273 |
case 0xe: /* D-cache tag */ |
1274 |
case 0xf: /* D-cache data */ |
1275 |
case 0x10: /* I/D-cache flush page */ |
1276 |
case 0x11: /* I/D-cache flush segment */ |
1277 |
case 0x12: /* I/D-cache flush region */ |
1278 |
case 0x13: /* I/D-cache flush context */ |
1279 |
case 0x14: /* I/D-cache flush user */ |
1280 |
break;
|
1281 |
case 0x17: /* Block copy, sta access */ |
1282 |
{ |
1283 |
// val = src
|
1284 |
// addr = dst
|
1285 |
// copy 32 bytes
|
1286 |
unsigned int i; |
1287 |
uint32_t src = val & ~3, dst = addr & ~3, temp; |
1288 |
|
1289 |
for (i = 0; i < 32; i += 4, src += 4, dst += 4) { |
1290 |
temp = ldl_kernel(src); |
1291 |
stl_kernel(dst, temp); |
1292 |
} |
1293 |
} |
1294 |
break;
|
1295 |
case 0x1f: /* Block fill, stda access */ |
1296 |
{ |
1297 |
// addr = dst
|
1298 |
// fill 32 bytes with val
|
1299 |
unsigned int i; |
1300 |
uint32_t dst = addr & 7;
|
1301 |
|
1302 |
for (i = 0; i < 32; i += 8, dst += 8) |
1303 |
stq_kernel(dst, val); |
1304 |
} |
1305 |
break;
|
1306 |
case 0x20: /* MMU passthrough */ |
1307 |
{ |
1308 |
switch(size) {
|
1309 |
case 1: |
1310 |
stb_phys(addr, val); |
1311 |
break;
|
1312 |
case 2: |
1313 |
stw_phys(addr, val); |
1314 |
break;
|
1315 |
case 4: |
1316 |
default:
|
1317 |
stl_phys(addr, val); |
1318 |
break;
|
1319 |
case 8: |
1320 |
stq_phys(addr, val); |
1321 |
break;
|
1322 |
} |
1323 |
} |
1324 |
break;
|
1325 |
case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */ |
1326 |
{ |
1327 |
switch(size) {
|
1328 |
case 1: |
1329 |
stb_phys((target_phys_addr_t)addr |
1330 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
1331 |
break;
|
1332 |
case 2: |
1333 |
stw_phys((target_phys_addr_t)addr |
1334 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
1335 |
break;
|
1336 |
case 4: |
1337 |
default:
|
1338 |
stl_phys((target_phys_addr_t)addr |
1339 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
1340 |
break;
|
1341 |
case 8: |
1342 |
stq_phys((target_phys_addr_t)addr |
1343 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
1344 |
break;
|
1345 |
} |
1346 |
} |
1347 |
break;
|
1348 |
case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic |
1349 |
case 0x31: // store buffer data, Ross RT620 I-cache flush or |
1350 |
// Turbosparc snoop RAM
|
1351 |
case 0x32: // store buffer control or Turbosparc page table |
1352 |
// descriptor diagnostic
|
1353 |
case 0x36: /* I-cache flash clear */ |
1354 |
case 0x37: /* D-cache flash clear */ |
1355 |
case 0x38: /* breakpoint diagnostics */ |
1356 |
case 0x4c: /* breakpoint action */ |
1357 |
break;
|
1358 |
case 8: /* User code access, XXX */ |
1359 |
case 9: /* Supervisor code access, XXX */ |
1360 |
default:
|
1361 |
do_unassigned_access(addr, 1, 0, asi); |
1362 |
break;
|
1363 |
} |
1364 |
#ifdef DEBUG_ASI
|
1365 |
dump_asi("write", addr, asi, size, val);
|
1366 |
#endif
|
1367 |
} |
1368 |
|
1369 |
#endif /* CONFIG_USER_ONLY */ |
1370 |
#else /* TARGET_SPARC64 */ |
1371 |
|
1372 |
#ifdef CONFIG_USER_ONLY
|
1373 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
1374 |
{ |
1375 |
uint64_t ret = 0;
|
1376 |
#if defined(DEBUG_ASI)
|
1377 |
target_ulong last_addr = addr; |
1378 |
#endif
|
1379 |
|
1380 |
if (asi < 0x80) |
1381 |
raise_exception(TT_PRIV_ACT); |
1382 |
|
1383 |
helper_check_align(addr, size - 1);
|
1384 |
ABI32_MASK(addr); |
1385 |
|
1386 |
switch (asi) {
|
1387 |
case 0x80: // Primary |
1388 |
case 0x82: // Primary no-fault |
1389 |
case 0x88: // Primary LE |
1390 |
case 0x8a: // Primary no-fault LE |
1391 |
{ |
1392 |
switch(size) {
|
1393 |
case 1: |
1394 |
ret = ldub_raw(addr); |
1395 |
break;
|
1396 |
case 2: |
1397 |
ret = lduw_raw(addr); |
1398 |
break;
|
1399 |
case 4: |
1400 |
ret = ldl_raw(addr); |
1401 |
break;
|
1402 |
default:
|
1403 |
case 8: |
1404 |
ret = ldq_raw(addr); |
1405 |
break;
|
1406 |
} |
1407 |
} |
1408 |
break;
|
1409 |
case 0x81: // Secondary |
1410 |
case 0x83: // Secondary no-fault |
1411 |
case 0x89: // Secondary LE |
1412 |
case 0x8b: // Secondary no-fault LE |
1413 |
// XXX
|
1414 |
break;
|
1415 |
default:
|
1416 |
break;
|
1417 |
} |
1418 |
|
1419 |
/* Convert from little endian */
|
1420 |
switch (asi) {
|
1421 |
case 0x88: // Primary LE |
1422 |
case 0x89: // Secondary LE |
1423 |
case 0x8a: // Primary no-fault LE |
1424 |
case 0x8b: // Secondary no-fault LE |
1425 |
switch(size) {
|
1426 |
case 2: |
1427 |
ret = bswap16(ret); |
1428 |
break;
|
1429 |
case 4: |
1430 |
ret = bswap32(ret); |
1431 |
break;
|
1432 |
case 8: |
1433 |
ret = bswap64(ret); |
1434 |
break;
|
1435 |
default:
|
1436 |
break;
|
1437 |
} |
1438 |
default:
|
1439 |
break;
|
1440 |
} |
1441 |
|
1442 |
/* Convert to signed number */
|
1443 |
if (sign) {
|
1444 |
switch(size) {
|
1445 |
case 1: |
1446 |
ret = (int8_t) ret; |
1447 |
break;
|
1448 |
case 2: |
1449 |
ret = (int16_t) ret; |
1450 |
break;
|
1451 |
case 4: |
1452 |
ret = (int32_t) ret; |
1453 |
break;
|
1454 |
default:
|
1455 |
break;
|
1456 |
} |
1457 |
} |
1458 |
#ifdef DEBUG_ASI
|
1459 |
dump_asi("read ", last_addr, asi, size, ret);
|
1460 |
#endif
|
1461 |
return ret;
|
1462 |
} |
1463 |
|
1464 |
void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size) |
1465 |
{ |
1466 |
#ifdef DEBUG_ASI
|
1467 |
dump_asi("write", addr, asi, size, val);
|
1468 |
#endif
|
1469 |
if (asi < 0x80) |
1470 |
raise_exception(TT_PRIV_ACT); |
1471 |
|
1472 |
helper_check_align(addr, size - 1);
|
1473 |
ABI32_MASK(addr); |
1474 |
|
1475 |
/* Convert to little endian */
|
1476 |
switch (asi) {
|
1477 |
case 0x88: // Primary LE |
1478 |
case 0x89: // Secondary LE |
1479 |
switch(size) {
|
1480 |
case 2: |
1481 |
addr = bswap16(addr); |
1482 |
break;
|
1483 |
case 4: |
1484 |
addr = bswap32(addr); |
1485 |
break;
|
1486 |
case 8: |
1487 |
addr = bswap64(addr); |
1488 |
break;
|
1489 |
default:
|
1490 |
break;
|
1491 |
} |
1492 |
default:
|
1493 |
break;
|
1494 |
} |
1495 |
|
1496 |
switch(asi) {
|
1497 |
case 0x80: // Primary |
1498 |
case 0x88: // Primary LE |
1499 |
{ |
1500 |
switch(size) {
|
1501 |
case 1: |
1502 |
stb_raw(addr, val); |
1503 |
break;
|
1504 |
case 2: |
1505 |
stw_raw(addr, val); |
1506 |
break;
|
1507 |
case 4: |
1508 |
stl_raw(addr, val); |
1509 |
break;
|
1510 |
case 8: |
1511 |
default:
|
1512 |
stq_raw(addr, val); |
1513 |
break;
|
1514 |
} |
1515 |
} |
1516 |
break;
|
1517 |
case 0x81: // Secondary |
1518 |
case 0x89: // Secondary LE |
1519 |
// XXX
|
1520 |
return;
|
1521 |
|
1522 |
case 0x82: // Primary no-fault, RO |
1523 |
case 0x83: // Secondary no-fault, RO |
1524 |
case 0x8a: // Primary no-fault LE, RO |
1525 |
case 0x8b: // Secondary no-fault LE, RO |
1526 |
default:
|
1527 |
do_unassigned_access(addr, 1, 0, 1); |
1528 |
return;
|
1529 |
} |
1530 |
} |
1531 |
|
1532 |
#else /* CONFIG_USER_ONLY */ |
1533 |
|
1534 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
1535 |
{ |
1536 |
uint64_t ret = 0;
|
1537 |
#if defined(DEBUG_ASI)
|
1538 |
target_ulong last_addr = addr; |
1539 |
#endif
|
1540 |
|
1541 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
1542 |
|| (asi >= 0x30 && asi < 0x80 && !(env->hpstate & HS_PRIV))) |
1543 |
raise_exception(TT_PRIV_ACT); |
1544 |
|
1545 |
helper_check_align(addr, size - 1);
|
1546 |
switch (asi) {
|
1547 |
case 0x10: // As if user primary |
1548 |
case 0x18: // As if user primary LE |
1549 |
case 0x80: // Primary |
1550 |
case 0x82: // Primary no-fault |
1551 |
case 0x88: // Primary LE |
1552 |
case 0x8a: // Primary no-fault LE |
1553 |
if ((asi & 0x80) && (env->pstate & PS_PRIV)) { |
1554 |
if (env->hpstate & HS_PRIV) {
|
1555 |
switch(size) {
|
1556 |
case 1: |
1557 |
ret = ldub_hypv(addr); |
1558 |
break;
|
1559 |
case 2: |
1560 |
ret = lduw_hypv(addr); |
1561 |
break;
|
1562 |
case 4: |
1563 |
ret = ldl_hypv(addr); |
1564 |
break;
|
1565 |
default:
|
1566 |
case 8: |
1567 |
ret = ldq_hypv(addr); |
1568 |
break;
|
1569 |
} |
1570 |
} else {
|
1571 |
switch(size) {
|
1572 |
case 1: |
1573 |
ret = ldub_kernel(addr); |
1574 |
break;
|
1575 |
case 2: |
1576 |
ret = lduw_kernel(addr); |
1577 |
break;
|
1578 |
case 4: |
1579 |
ret = ldl_kernel(addr); |
1580 |
break;
|
1581 |
default:
|
1582 |
case 8: |
1583 |
ret = ldq_kernel(addr); |
1584 |
break;
|
1585 |
} |
1586 |
} |
1587 |
} else {
|
1588 |
switch(size) {
|
1589 |
case 1: |
1590 |
ret = ldub_user(addr); |
1591 |
break;
|
1592 |
case 2: |
1593 |
ret = lduw_user(addr); |
1594 |
break;
|
1595 |
case 4: |
1596 |
ret = ldl_user(addr); |
1597 |
break;
|
1598 |
default:
|
1599 |
case 8: |
1600 |
ret = ldq_user(addr); |
1601 |
break;
|
1602 |
} |
1603 |
} |
1604 |
break;
|
1605 |
case 0x14: // Bypass |
1606 |
case 0x15: // Bypass, non-cacheable |
1607 |
case 0x1c: // Bypass LE |
1608 |
case 0x1d: // Bypass, non-cacheable LE |
1609 |
{ |
1610 |
switch(size) {
|
1611 |
case 1: |
1612 |
ret = ldub_phys(addr); |
1613 |
break;
|
1614 |
case 2: |
1615 |
ret = lduw_phys(addr); |
1616 |
break;
|
1617 |
case 4: |
1618 |
ret = ldl_phys(addr); |
1619 |
break;
|
1620 |
default:
|
1621 |
case 8: |
1622 |
ret = ldq_phys(addr); |
1623 |
break;
|
1624 |
} |
1625 |
break;
|
1626 |
} |
1627 |
case 0x04: // Nucleus |
1628 |
case 0x0c: // Nucleus Little Endian (LE) |
1629 |
case 0x11: // As if user secondary |
1630 |
case 0x19: // As if user secondary LE |
1631 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
1632 |
case 0x2c: // Nucleus quad LDD 128 bit atomic |
1633 |
case 0x4a: // UPA config |
1634 |
case 0x81: // Secondary |
1635 |
case 0x83: // Secondary no-fault |
1636 |
case 0x89: // Secondary LE |
1637 |
case 0x8b: // Secondary no-fault LE |
1638 |
// XXX
|
1639 |
break;
|
1640 |
case 0x45: // LSU |
1641 |
ret = env->lsu; |
1642 |
break;
|
1643 |
case 0x50: // I-MMU regs |
1644 |
{ |
1645 |
int reg = (addr >> 3) & 0xf; |
1646 |
|
1647 |
ret = env->immuregs[reg]; |
1648 |
break;
|
1649 |
} |
1650 |
case 0x51: // I-MMU 8k TSB pointer |
1651 |
case 0x52: // I-MMU 64k TSB pointer |
1652 |
case 0x55: // I-MMU data access |
1653 |
// XXX
|
1654 |
break;
|
1655 |
case 0x56: // I-MMU tag read |
1656 |
{ |
1657 |
unsigned int i; |
1658 |
|
1659 |
for (i = 0; i < 64; i++) { |
1660 |
// Valid, ctx match, vaddr match
|
1661 |
if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0 && |
1662 |
env->itlb_tag[i] == addr) { |
1663 |
ret = env->itlb_tag[i]; |
1664 |
break;
|
1665 |
} |
1666 |
} |
1667 |
break;
|
1668 |
} |
1669 |
case 0x58: // D-MMU regs |
1670 |
{ |
1671 |
int reg = (addr >> 3) & 0xf; |
1672 |
|
1673 |
ret = env->dmmuregs[reg]; |
1674 |
break;
|
1675 |
} |
1676 |
case 0x5e: // D-MMU tag read |
1677 |
{ |
1678 |
unsigned int i; |
1679 |
|
1680 |
for (i = 0; i < 64; i++) { |
1681 |
// Valid, ctx match, vaddr match
|
1682 |
if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0 && |
1683 |
env->dtlb_tag[i] == addr) { |
1684 |
ret = env->dtlb_tag[i]; |
1685 |
break;
|
1686 |
} |
1687 |
} |
1688 |
break;
|
1689 |
} |
1690 |
case 0x59: // D-MMU 8k TSB pointer |
1691 |
case 0x5a: // D-MMU 64k TSB pointer |
1692 |
case 0x5b: // D-MMU data pointer |
1693 |
case 0x5d: // D-MMU data access |
1694 |
case 0x48: // Interrupt dispatch, RO |
1695 |
case 0x49: // Interrupt data receive |
1696 |
case 0x7f: // Incoming interrupt vector, RO |
1697 |
// XXX
|
1698 |
break;
|
1699 |
case 0x54: // I-MMU data in, WO |
1700 |
case 0x57: // I-MMU demap, WO |
1701 |
case 0x5c: // D-MMU data in, WO |
1702 |
case 0x5f: // D-MMU demap, WO |
1703 |
case 0x77: // Interrupt vector, WO |
1704 |
default:
|
1705 |
do_unassigned_access(addr, 0, 0, 1); |
1706 |
ret = 0;
|
1707 |
break;
|
1708 |
} |
1709 |
|
1710 |
/* Convert from little endian */
|
1711 |
switch (asi) {
|
1712 |
case 0x0c: // Nucleus Little Endian (LE) |
1713 |
case 0x18: // As if user primary LE |
1714 |
case 0x19: // As if user secondary LE |
1715 |
case 0x1c: // Bypass LE |
1716 |
case 0x1d: // Bypass, non-cacheable LE |
1717 |
case 0x88: // Primary LE |
1718 |
case 0x89: // Secondary LE |
1719 |
case 0x8a: // Primary no-fault LE |
1720 |
case 0x8b: // Secondary no-fault LE |
1721 |
switch(size) {
|
1722 |
case 2: |
1723 |
ret = bswap16(ret); |
1724 |
break;
|
1725 |
case 4: |
1726 |
ret = bswap32(ret); |
1727 |
break;
|
1728 |
case 8: |
1729 |
ret = bswap64(ret); |
1730 |
break;
|
1731 |
default:
|
1732 |
break;
|
1733 |
} |
1734 |
default:
|
1735 |
break;
|
1736 |
} |
1737 |
|
1738 |
/* Convert to signed number */
|
1739 |
if (sign) {
|
1740 |
switch(size) {
|
1741 |
case 1: |
1742 |
ret = (int8_t) ret; |
1743 |
break;
|
1744 |
case 2: |
1745 |
ret = (int16_t) ret; |
1746 |
break;
|
1747 |
case 4: |
1748 |
ret = (int32_t) ret; |
1749 |
break;
|
1750 |
default:
|
1751 |
break;
|
1752 |
} |
1753 |
} |
1754 |
#ifdef DEBUG_ASI
|
1755 |
dump_asi("read ", last_addr, asi, size, ret);
|
1756 |
#endif
|
1757 |
return ret;
|
1758 |
} |
1759 |
|
1760 |
void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size) |
1761 |
{ |
1762 |
#ifdef DEBUG_ASI
|
1763 |
dump_asi("write", addr, asi, size, val);
|
1764 |
#endif
|
1765 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
1766 |
|| (asi >= 0x30 && asi < 0x80 && !(env->hpstate & HS_PRIV))) |
1767 |
raise_exception(TT_PRIV_ACT); |
1768 |
|
1769 |
helper_check_align(addr, size - 1);
|
1770 |
/* Convert to little endian */
|
1771 |
switch (asi) {
|
1772 |
case 0x0c: // Nucleus Little Endian (LE) |
1773 |
case 0x18: // As if user primary LE |
1774 |
case 0x19: // As if user secondary LE |
1775 |
case 0x1c: // Bypass LE |
1776 |
case 0x1d: // Bypass, non-cacheable LE |
1777 |
case 0x88: // Primary LE |
1778 |
case 0x89: // Secondary LE |
1779 |
switch(size) {
|
1780 |
case 2: |
1781 |
addr = bswap16(addr); |
1782 |
break;
|
1783 |
case 4: |
1784 |
addr = bswap32(addr); |
1785 |
break;
|
1786 |
case 8: |
1787 |
addr = bswap64(addr); |
1788 |
break;
|
1789 |
default:
|
1790 |
break;
|
1791 |
} |
1792 |
default:
|
1793 |
break;
|
1794 |
} |
1795 |
|
1796 |
switch(asi) {
|
1797 |
case 0x10: // As if user primary |
1798 |
case 0x18: // As if user primary LE |
1799 |
case 0x80: // Primary |
1800 |
case 0x88: // Primary LE |
1801 |
if ((asi & 0x80) && (env->pstate & PS_PRIV)) { |
1802 |
if (env->hpstate & HS_PRIV) {
|
1803 |
switch(size) {
|
1804 |
case 1: |
1805 |
stb_hypv(addr, val); |
1806 |
break;
|
1807 |
case 2: |
1808 |
stw_hypv(addr, val); |
1809 |
break;
|
1810 |
case 4: |
1811 |
stl_hypv(addr, val); |
1812 |
break;
|
1813 |
case 8: |
1814 |
default:
|
1815 |
stq_hypv(addr, val); |
1816 |
break;
|
1817 |
} |
1818 |
} else {
|
1819 |
switch(size) {
|
1820 |
case 1: |
1821 |
stb_kernel(addr, val); |
1822 |
break;
|
1823 |
case 2: |
1824 |
stw_kernel(addr, val); |
1825 |
break;
|
1826 |
case 4: |
1827 |
stl_kernel(addr, val); |
1828 |
break;
|
1829 |
case 8: |
1830 |
default:
|
1831 |
stq_kernel(addr, val); |
1832 |
break;
|
1833 |
} |
1834 |
} |
1835 |
} else {
|
1836 |
switch(size) {
|
1837 |
case 1: |
1838 |
stb_user(addr, val); |
1839 |
break;
|
1840 |
case 2: |
1841 |
stw_user(addr, val); |
1842 |
break;
|
1843 |
case 4: |
1844 |
stl_user(addr, val); |
1845 |
break;
|
1846 |
case 8: |
1847 |
default:
|
1848 |
stq_user(addr, val); |
1849 |
break;
|
1850 |
} |
1851 |
} |
1852 |
break;
|
1853 |
case 0x14: // Bypass |
1854 |
case 0x15: // Bypass, non-cacheable |
1855 |
case 0x1c: // Bypass LE |
1856 |
case 0x1d: // Bypass, non-cacheable LE |
1857 |
{ |
1858 |
switch(size) {
|
1859 |
case 1: |
1860 |
stb_phys(addr, val); |
1861 |
break;
|
1862 |
case 2: |
1863 |
stw_phys(addr, val); |
1864 |
break;
|
1865 |
case 4: |
1866 |
stl_phys(addr, val); |
1867 |
break;
|
1868 |
case 8: |
1869 |
default:
|
1870 |
stq_phys(addr, val); |
1871 |
break;
|
1872 |
} |
1873 |
} |
1874 |
return;
|
1875 |
case 0x04: // Nucleus |
1876 |
case 0x0c: // Nucleus Little Endian (LE) |
1877 |
case 0x11: // As if user secondary |
1878 |
case 0x19: // As if user secondary LE |
1879 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
1880 |
case 0x2c: // Nucleus quad LDD 128 bit atomic |
1881 |
case 0x4a: // UPA config |
1882 |
case 0x81: // Secondary |
1883 |
case 0x89: // Secondary LE |
1884 |
// XXX
|
1885 |
return;
|
1886 |
case 0x45: // LSU |
1887 |
{ |
1888 |
uint64_t oldreg; |
1889 |
|
1890 |
oldreg = env->lsu; |
1891 |
env->lsu = val & (DMMU_E | IMMU_E); |
1892 |
// Mappings generated during D/I MMU disabled mode are
|
1893 |
// invalid in normal mode
|
1894 |
if (oldreg != env->lsu) {
|
1895 |
DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n", |
1896 |
oldreg, env->lsu); |
1897 |
#ifdef DEBUG_MMU
|
1898 |
dump_mmu(env); |
1899 |
#endif
|
1900 |
tlb_flush(env, 1);
|
1901 |
} |
1902 |
return;
|
1903 |
} |
1904 |
case 0x50: // I-MMU regs |
1905 |
{ |
1906 |
int reg = (addr >> 3) & 0xf; |
1907 |
uint64_t oldreg; |
1908 |
|
1909 |
oldreg = env->immuregs[reg]; |
1910 |
switch(reg) {
|
1911 |
case 0: // RO |
1912 |
case 4: |
1913 |
return;
|
1914 |
case 1: // Not in I-MMU |
1915 |
case 2: |
1916 |
case 7: |
1917 |
case 8: |
1918 |
return;
|
1919 |
case 3: // SFSR |
1920 |
if ((val & 1) == 0) |
1921 |
val = 0; // Clear SFSR |
1922 |
break;
|
1923 |
case 5: // TSB access |
1924 |
case 6: // Tag access |
1925 |
default:
|
1926 |
break;
|
1927 |
} |
1928 |
env->immuregs[reg] = val; |
1929 |
if (oldreg != env->immuregs[reg]) {
|
1930 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" |
1931 |
PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
|
1932 |
} |
1933 |
#ifdef DEBUG_MMU
|
1934 |
dump_mmu(env); |
1935 |
#endif
|
1936 |
return;
|
1937 |
} |
1938 |
case 0x54: // I-MMU data in |
1939 |
{ |
1940 |
unsigned int i; |
1941 |
|
1942 |
// Try finding an invalid entry
|
1943 |
for (i = 0; i < 64; i++) { |
1944 |
if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) { |
1945 |
env->itlb_tag[i] = env->immuregs[6];
|
1946 |
env->itlb_tte[i] = val; |
1947 |
return;
|
1948 |
} |
1949 |
} |
1950 |
// Try finding an unlocked entry
|
1951 |
for (i = 0; i < 64; i++) { |
1952 |
if ((env->itlb_tte[i] & 0x40) == 0) { |
1953 |
env->itlb_tag[i] = env->immuregs[6];
|
1954 |
env->itlb_tte[i] = val; |
1955 |
return;
|
1956 |
} |
1957 |
} |
1958 |
// error state?
|
1959 |
return;
|
1960 |
} |
1961 |
case 0x55: // I-MMU data access |
1962 |
{ |
1963 |
unsigned int i = (addr >> 3) & 0x3f; |
1964 |
|
1965 |
env->itlb_tag[i] = env->immuregs[6];
|
1966 |
env->itlb_tte[i] = val; |
1967 |
return;
|
1968 |
} |
1969 |
case 0x57: // I-MMU demap |
1970 |
// XXX
|
1971 |
return;
|
1972 |
case 0x58: // D-MMU regs |
1973 |
{ |
1974 |
int reg = (addr >> 3) & 0xf; |
1975 |
uint64_t oldreg; |
1976 |
|
1977 |
oldreg = env->dmmuregs[reg]; |
1978 |
switch(reg) {
|
1979 |
case 0: // RO |
1980 |
case 4: |
1981 |
return;
|
1982 |
case 3: // SFSR |
1983 |
if ((val & 1) == 0) { |
1984 |
val = 0; // Clear SFSR, Fault address |
1985 |
env->dmmuregs[4] = 0; |
1986 |
} |
1987 |
env->dmmuregs[reg] = val; |
1988 |
break;
|
1989 |
case 1: // Primary context |
1990 |
case 2: // Secondary context |
1991 |
case 5: // TSB access |
1992 |
case 6: // Tag access |
1993 |
case 7: // Virtual Watchpoint |
1994 |
case 8: // Physical Watchpoint |
1995 |
default:
|
1996 |
break;
|
1997 |
} |
1998 |
env->dmmuregs[reg] = val; |
1999 |
if (oldreg != env->dmmuregs[reg]) {
|
2000 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" |
2001 |
PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
|
2002 |
} |
2003 |
#ifdef DEBUG_MMU
|
2004 |
dump_mmu(env); |
2005 |
#endif
|
2006 |
return;
|
2007 |
} |
2008 |
case 0x5c: // D-MMU data in |
2009 |
{ |
2010 |
unsigned int i; |
2011 |
|
2012 |
// Try finding an invalid entry
|
2013 |
for (i = 0; i < 64; i++) { |
2014 |
if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) { |
2015 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
2016 |
env->dtlb_tte[i] = val; |
2017 |
return;
|
2018 |
} |
2019 |
} |
2020 |
// Try finding an unlocked entry
|
2021 |
for (i = 0; i < 64; i++) { |
2022 |
if ((env->dtlb_tte[i] & 0x40) == 0) { |
2023 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
2024 |
env->dtlb_tte[i] = val; |
2025 |
return;
|
2026 |
} |
2027 |
} |
2028 |
// error state?
|
2029 |
return;
|
2030 |
} |
2031 |
case 0x5d: // D-MMU data access |
2032 |
{ |
2033 |
unsigned int i = (addr >> 3) & 0x3f; |
2034 |
|
2035 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
2036 |
env->dtlb_tte[i] = val; |
2037 |
return;
|
2038 |
} |
2039 |
case 0x5f: // D-MMU demap |
2040 |
case 0x49: // Interrupt data receive |
2041 |
// XXX
|
2042 |
return;
|
2043 |
case 0x51: // I-MMU 8k TSB pointer, RO |
2044 |
case 0x52: // I-MMU 64k TSB pointer, RO |
2045 |
case 0x56: // I-MMU tag read, RO |
2046 |
case 0x59: // D-MMU 8k TSB pointer, RO |
2047 |
case 0x5a: // D-MMU 64k TSB pointer, RO |
2048 |
case 0x5b: // D-MMU data pointer, RO |
2049 |
case 0x5e: // D-MMU tag read, RO |
2050 |
case 0x48: // Interrupt dispatch, RO |
2051 |
case 0x7f: // Incoming interrupt vector, RO |
2052 |
case 0x82: // Primary no-fault, RO |
2053 |
case 0x83: // Secondary no-fault, RO |
2054 |
case 0x8a: // Primary no-fault LE, RO |
2055 |
case 0x8b: // Secondary no-fault LE, RO |
2056 |
default:
|
2057 |
do_unassigned_access(addr, 1, 0, 1); |
2058 |
return;
|
2059 |
} |
2060 |
} |
2061 |
#endif /* CONFIG_USER_ONLY */ |
2062 |
|
2063 |
void helper_ldf_asi(target_ulong addr, int asi, int size, int rd) |
2064 |
{ |
2065 |
unsigned int i; |
2066 |
target_ulong val; |
2067 |
|
2068 |
helper_check_align(addr, 3);
|
2069 |
switch (asi) {
|
2070 |
case 0xf0: // Block load primary |
2071 |
case 0xf1: // Block load secondary |
2072 |
case 0xf8: // Block load primary LE |
2073 |
case 0xf9: // Block load secondary LE |
2074 |
if (rd & 7) { |
2075 |
raise_exception(TT_ILL_INSN); |
2076 |
return;
|
2077 |
} |
2078 |
helper_check_align(addr, 0x3f);
|
2079 |
for (i = 0; i < 16; i++) { |
2080 |
*(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4, |
2081 |
0);
|
2082 |
addr += 4;
|
2083 |
} |
2084 |
|
2085 |
return;
|
2086 |
default:
|
2087 |
break;
|
2088 |
} |
2089 |
|
2090 |
val = helper_ld_asi(addr, asi, size, 0);
|
2091 |
switch(size) {
|
2092 |
default:
|
2093 |
case 4: |
2094 |
*((uint32_t *)&FT0) = val; |
2095 |
break;
|
2096 |
case 8: |
2097 |
*((int64_t *)&DT0) = val; |
2098 |
break;
|
2099 |
case 16: |
2100 |
// XXX
|
2101 |
break;
|
2102 |
} |
2103 |
} |
2104 |
|
2105 |
void helper_stf_asi(target_ulong addr, int asi, int size, int rd) |
2106 |
{ |
2107 |
unsigned int i; |
2108 |
target_ulong val = 0;
|
2109 |
|
2110 |
helper_check_align(addr, 3);
|
2111 |
switch (asi) {
|
2112 |
case 0xf0: // Block store primary |
2113 |
case 0xf1: // Block store secondary |
2114 |
case 0xf8: // Block store primary LE |
2115 |
case 0xf9: // Block store secondary LE |
2116 |
if (rd & 7) { |
2117 |
raise_exception(TT_ILL_INSN); |
2118 |
return;
|
2119 |
} |
2120 |
helper_check_align(addr, 0x3f);
|
2121 |
for (i = 0; i < 16; i++) { |
2122 |
val = *(uint32_t *)&env->fpr[rd++]; |
2123 |
helper_st_asi(addr, val, asi & 0x8f, 4); |
2124 |
addr += 4;
|
2125 |
} |
2126 |
|
2127 |
return;
|
2128 |
default:
|
2129 |
break;
|
2130 |
} |
2131 |
|
2132 |
switch(size) {
|
2133 |
default:
|
2134 |
case 4: |
2135 |
val = *((uint32_t *)&FT0); |
2136 |
break;
|
2137 |
case 8: |
2138 |
val = *((int64_t *)&DT0); |
2139 |
break;
|
2140 |
case 16: |
2141 |
// XXX
|
2142 |
break;
|
2143 |
} |
2144 |
helper_st_asi(addr, val, asi, size); |
2145 |
} |
2146 |
|
2147 |
target_ulong helper_cas_asi(target_ulong addr, target_ulong val1, |
2148 |
target_ulong val2, uint32_t asi) |
2149 |
{ |
2150 |
target_ulong ret; |
2151 |
|
2152 |
val1 &= 0xffffffffUL;
|
2153 |
ret = helper_ld_asi(addr, asi, 4, 0); |
2154 |
ret &= 0xffffffffUL;
|
2155 |
if (val1 == ret)
|
2156 |
helper_st_asi(addr, val2 & 0xffffffffUL, asi, 4); |
2157 |
return ret;
|
2158 |
} |
2159 |
|
2160 |
target_ulong helper_casx_asi(target_ulong addr, target_ulong val1, |
2161 |
target_ulong val2, uint32_t asi) |
2162 |
{ |
2163 |
target_ulong ret; |
2164 |
|
2165 |
ret = helper_ld_asi(addr, asi, 8, 0); |
2166 |
if (val1 == ret)
|
2167 |
helper_st_asi(addr, val2, asi, 8);
|
2168 |
return ret;
|
2169 |
} |
2170 |
#endif /* TARGET_SPARC64 */ |
2171 |
|
2172 |
#ifndef TARGET_SPARC64
|
2173 |
void helper_rett(void) |
2174 |
{ |
2175 |
unsigned int cwp; |
2176 |
|
2177 |
if (env->psret == 1) |
2178 |
raise_exception(TT_ILL_INSN); |
2179 |
|
2180 |
env->psret = 1;
|
2181 |
cwp = (env->cwp + 1) & (NWINDOWS - 1); |
2182 |
if (env->wim & (1 << cwp)) { |
2183 |
raise_exception(TT_WIN_UNF); |
2184 |
} |
2185 |
set_cwp(cwp); |
2186 |
env->psrs = env->psrps; |
2187 |
} |
2188 |
#endif
|
2189 |
|
2190 |
target_ulong helper_udiv(target_ulong a, target_ulong b) |
2191 |
{ |
2192 |
uint64_t x0; |
2193 |
uint32_t x1; |
2194 |
|
2195 |
x0 = a | ((uint64_t) (env->y) << 32);
|
2196 |
x1 = b; |
2197 |
|
2198 |
if (x1 == 0) { |
2199 |
raise_exception(TT_DIV_ZERO); |
2200 |
} |
2201 |
|
2202 |
x0 = x0 / x1; |
2203 |
if (x0 > 0xffffffff) { |
2204 |
env->cc_src2 = 1;
|
2205 |
return 0xffffffff; |
2206 |
} else {
|
2207 |
env->cc_src2 = 0;
|
2208 |
return x0;
|
2209 |
} |
2210 |
} |
2211 |
|
2212 |
target_ulong helper_sdiv(target_ulong a, target_ulong b) |
2213 |
{ |
2214 |
int64_t x0; |
2215 |
int32_t x1; |
2216 |
|
2217 |
x0 = a | ((int64_t) (env->y) << 32);
|
2218 |
x1 = b; |
2219 |
|
2220 |
if (x1 == 0) { |
2221 |
raise_exception(TT_DIV_ZERO); |
2222 |
} |
2223 |
|
2224 |
x0 = x0 / x1; |
2225 |
if ((int32_t) x0 != x0) {
|
2226 |
env->cc_src2 = 1;
|
2227 |
return x0 < 0? 0x80000000: 0x7fffffff; |
2228 |
} else {
|
2229 |
env->cc_src2 = 0;
|
2230 |
return x0;
|
2231 |
} |
2232 |
} |
2233 |
|
2234 |
uint64_t helper_pack64(target_ulong high, target_ulong low) |
2235 |
{ |
2236 |
return ((uint64_t)high << 32) | (uint64_t)(low & 0xffffffff); |
2237 |
} |
2238 |
|
2239 |
void helper_stdf(target_ulong addr, int mem_idx) |
2240 |
{ |
2241 |
helper_check_align(addr, 7);
|
2242 |
#if !defined(CONFIG_USER_ONLY)
|
2243 |
switch (mem_idx) {
|
2244 |
case 0: |
2245 |
stfq_user(addr, DT0); |
2246 |
break;
|
2247 |
case 1: |
2248 |
stfq_kernel(addr, DT0); |
2249 |
break;
|
2250 |
#ifdef TARGET_SPARC64
|
2251 |
case 2: |
2252 |
stfq_hypv(addr, DT0); |
2253 |
break;
|
2254 |
#endif
|
2255 |
default:
|
2256 |
break;
|
2257 |
} |
2258 |
#else
|
2259 |
ABI32_MASK(addr); |
2260 |
stfq_raw(addr, DT0); |
2261 |
#endif
|
2262 |
} |
2263 |
|
2264 |
void helper_lddf(target_ulong addr, int mem_idx) |
2265 |
{ |
2266 |
helper_check_align(addr, 7);
|
2267 |
#if !defined(CONFIG_USER_ONLY)
|
2268 |
switch (mem_idx) {
|
2269 |
case 0: |
2270 |
DT0 = ldfq_user(addr); |
2271 |
break;
|
2272 |
case 1: |
2273 |
DT0 = ldfq_kernel(addr); |
2274 |
break;
|
2275 |
#ifdef TARGET_SPARC64
|
2276 |
case 2: |
2277 |
DT0 = ldfq_hypv(addr); |
2278 |
break;
|
2279 |
#endif
|
2280 |
default:
|
2281 |
break;
|
2282 |
} |
2283 |
#else
|
2284 |
ABI32_MASK(addr); |
2285 |
DT0 = ldfq_raw(addr); |
2286 |
#endif
|
2287 |
} |
2288 |
|
2289 |
void helper_ldqf(target_ulong addr, int mem_idx) |
2290 |
{ |
2291 |
// XXX add 128 bit load
|
2292 |
CPU_QuadU u; |
2293 |
|
2294 |
helper_check_align(addr, 7);
|
2295 |
#if !defined(CONFIG_USER_ONLY)
|
2296 |
switch (mem_idx) {
|
2297 |
case 0: |
2298 |
u.ll.upper = ldq_user(addr); |
2299 |
u.ll.lower = ldq_user(addr + 8);
|
2300 |
QT0 = u.q; |
2301 |
break;
|
2302 |
case 1: |
2303 |
u.ll.upper = ldq_kernel(addr); |
2304 |
u.ll.lower = ldq_kernel(addr + 8);
|
2305 |
QT0 = u.q; |
2306 |
break;
|
2307 |
#ifdef TARGET_SPARC64
|
2308 |
case 2: |
2309 |
u.ll.upper = ldq_hypv(addr); |
2310 |
u.ll.lower = ldq_hypv(addr + 8);
|
2311 |
QT0 = u.q; |
2312 |
break;
|
2313 |
#endif
|
2314 |
default:
|
2315 |
break;
|
2316 |
} |
2317 |
#else
|
2318 |
ABI32_MASK(addr); |
2319 |
u.ll.upper = ldq_raw(addr); |
2320 |
u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL); |
2321 |
QT0 = u.q; |
2322 |
#endif
|
2323 |
} |
2324 |
|
2325 |
void helper_stqf(target_ulong addr, int mem_idx) |
2326 |
{ |
2327 |
// XXX add 128 bit store
|
2328 |
CPU_QuadU u; |
2329 |
|
2330 |
helper_check_align(addr, 7);
|
2331 |
#if !defined(CONFIG_USER_ONLY)
|
2332 |
switch (mem_idx) {
|
2333 |
case 0: |
2334 |
u.q = QT0; |
2335 |
stq_user(addr, u.ll.upper); |
2336 |
stq_user(addr + 8, u.ll.lower);
|
2337 |
break;
|
2338 |
case 1: |
2339 |
u.q = QT0; |
2340 |
stq_kernel(addr, u.ll.upper); |
2341 |
stq_kernel(addr + 8, u.ll.lower);
|
2342 |
break;
|
2343 |
#ifdef TARGET_SPARC64
|
2344 |
case 2: |
2345 |
u.q = QT0; |
2346 |
stq_hypv(addr, u.ll.upper); |
2347 |
stq_hypv(addr + 8, u.ll.lower);
|
2348 |
break;
|
2349 |
#endif
|
2350 |
default:
|
2351 |
break;
|
2352 |
} |
2353 |
#else
|
2354 |
u.q = QT0; |
2355 |
ABI32_MASK(addr); |
2356 |
stq_raw(addr, u.ll.upper); |
2357 |
stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower); |
2358 |
#endif
|
2359 |
} |
2360 |
|
2361 |
void helper_ldfsr(void) |
2362 |
{ |
2363 |
int rnd_mode;
|
2364 |
|
2365 |
PUT_FSR32(env, *((uint32_t *) &FT0)); |
2366 |
switch (env->fsr & FSR_RD_MASK) {
|
2367 |
case FSR_RD_NEAREST:
|
2368 |
rnd_mode = float_round_nearest_even; |
2369 |
break;
|
2370 |
default:
|
2371 |
case FSR_RD_ZERO:
|
2372 |
rnd_mode = float_round_to_zero; |
2373 |
break;
|
2374 |
case FSR_RD_POS:
|
2375 |
rnd_mode = float_round_up; |
2376 |
break;
|
2377 |
case FSR_RD_NEG:
|
2378 |
rnd_mode = float_round_down; |
2379 |
break;
|
2380 |
} |
2381 |
set_float_rounding_mode(rnd_mode, &env->fp_status); |
2382 |
} |
2383 |
|
2384 |
void helper_stfsr(void) |
2385 |
{ |
2386 |
*((uint32_t *) &FT0) = GET_FSR32(env); |
2387 |
} |
2388 |
|
2389 |
void helper_debug(void) |
2390 |
{ |
2391 |
env->exception_index = EXCP_DEBUG; |
2392 |
cpu_loop_exit(); |
2393 |
} |
2394 |
|
2395 |
#ifndef TARGET_SPARC64
|
2396 |
/* XXX: use another pointer for %iN registers to avoid slow wrapping
|
2397 |
handling ? */
|
2398 |
void helper_save(void) |
2399 |
{ |
2400 |
uint32_t cwp; |
2401 |
|
2402 |
cwp = (env->cwp - 1) & (NWINDOWS - 1); |
2403 |
if (env->wim & (1 << cwp)) { |
2404 |
raise_exception(TT_WIN_OVF); |
2405 |
} |
2406 |
set_cwp(cwp); |
2407 |
} |
2408 |
|
2409 |
void helper_restore(void) |
2410 |
{ |
2411 |
uint32_t cwp; |
2412 |
|
2413 |
cwp = (env->cwp + 1) & (NWINDOWS - 1); |
2414 |
if (env->wim & (1 << cwp)) { |
2415 |
raise_exception(TT_WIN_UNF); |
2416 |
} |
2417 |
set_cwp(cwp); |
2418 |
} |
2419 |
|
2420 |
void helper_wrpsr(target_ulong new_psr)
|
2421 |
{ |
2422 |
if ((new_psr & PSR_CWP) >= NWINDOWS)
|
2423 |
raise_exception(TT_ILL_INSN); |
2424 |
else
|
2425 |
PUT_PSR(env, new_psr); |
2426 |
} |
2427 |
|
2428 |
target_ulong helper_rdpsr(void)
|
2429 |
{ |
2430 |
return GET_PSR(env);
|
2431 |
} |
2432 |
|
2433 |
#else
|
2434 |
/* XXX: use another pointer for %iN registers to avoid slow wrapping
|
2435 |
handling ? */
|
2436 |
void helper_save(void) |
2437 |
{ |
2438 |
uint32_t cwp; |
2439 |
|
2440 |
cwp = (env->cwp - 1) & (NWINDOWS - 1); |
2441 |
if (env->cansave == 0) { |
2442 |
raise_exception(TT_SPILL | (env->otherwin != 0 ?
|
2443 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
2444 |
((env->wstate & 0x7) << 2))); |
2445 |
} else {
|
2446 |
if (env->cleanwin - env->canrestore == 0) { |
2447 |
// XXX Clean windows without trap
|
2448 |
raise_exception(TT_CLRWIN); |
2449 |
} else {
|
2450 |
env->cansave--; |
2451 |
env->canrestore++; |
2452 |
set_cwp(cwp); |
2453 |
} |
2454 |
} |
2455 |
} |
2456 |
|
2457 |
void helper_restore(void) |
2458 |
{ |
2459 |
uint32_t cwp; |
2460 |
|
2461 |
cwp = (env->cwp + 1) & (NWINDOWS - 1); |
2462 |
if (env->canrestore == 0) { |
2463 |
raise_exception(TT_FILL | (env->otherwin != 0 ?
|
2464 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
2465 |
((env->wstate & 0x7) << 2))); |
2466 |
} else {
|
2467 |
env->cansave++; |
2468 |
env->canrestore--; |
2469 |
set_cwp(cwp); |
2470 |
} |
2471 |
} |
2472 |
|
2473 |
void helper_flushw(void) |
2474 |
{ |
2475 |
if (env->cansave != NWINDOWS - 2) { |
2476 |
raise_exception(TT_SPILL | (env->otherwin != 0 ?
|
2477 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
2478 |
((env->wstate & 0x7) << 2))); |
2479 |
} |
2480 |
} |
2481 |
|
2482 |
void helper_saved(void) |
2483 |
{ |
2484 |
env->cansave++; |
2485 |
if (env->otherwin == 0) |
2486 |
env->canrestore--; |
2487 |
else
|
2488 |
env->otherwin--; |
2489 |
} |
2490 |
|
2491 |
void helper_restored(void) |
2492 |
{ |
2493 |
env->canrestore++; |
2494 |
if (env->cleanwin < NWINDOWS - 1) |
2495 |
env->cleanwin++; |
2496 |
if (env->otherwin == 0) |
2497 |
env->cansave--; |
2498 |
else
|
2499 |
env->otherwin--; |
2500 |
} |
2501 |
|
2502 |
target_ulong helper_rdccr(void)
|
2503 |
{ |
2504 |
return GET_CCR(env);
|
2505 |
} |
2506 |
|
2507 |
void helper_wrccr(target_ulong new_ccr)
|
2508 |
{ |
2509 |
PUT_CCR(env, new_ccr); |
2510 |
} |
2511 |
|
2512 |
// CWP handling is reversed in V9, but we still use the V8 register
|
2513 |
// order.
|
2514 |
target_ulong helper_rdcwp(void)
|
2515 |
{ |
2516 |
return GET_CWP64(env);
|
2517 |
} |
2518 |
|
2519 |
void helper_wrcwp(target_ulong new_cwp)
|
2520 |
{ |
2521 |
PUT_CWP64(env, new_cwp); |
2522 |
} |
2523 |
|
2524 |
// This function uses non-native bit order
|
2525 |
#define GET_FIELD(X, FROM, TO) \
|
2526 |
((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1)) |
2527 |
|
2528 |
// This function uses the order in the manuals, i.e. bit 0 is 2^0
|
2529 |
#define GET_FIELD_SP(X, FROM, TO) \
|
2530 |
GET_FIELD(X, 63 - (TO), 63 - (FROM)) |
2531 |
|
2532 |
target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize) |
2533 |
{ |
2534 |
return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) | |
2535 |
(GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) | |
2536 |
(GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) | |
2537 |
(GET_FIELD_SP(pixel_addr, 56, 59) << 13) | |
2538 |
(GET_FIELD_SP(pixel_addr, 35, 38) << 9) | |
2539 |
(GET_FIELD_SP(pixel_addr, 13, 16) << 5) | |
2540 |
(((pixel_addr >> 55) & 1) << 4) | |
2541 |
(GET_FIELD_SP(pixel_addr, 33, 34) << 2) | |
2542 |
GET_FIELD_SP(pixel_addr, 11, 12); |
2543 |
} |
2544 |
|
2545 |
target_ulong helper_alignaddr(target_ulong addr, target_ulong offset) |
2546 |
{ |
2547 |
uint64_t tmp; |
2548 |
|
2549 |
tmp = addr + offset; |
2550 |
env->gsr &= ~7ULL;
|
2551 |
env->gsr |= tmp & 7ULL;
|
2552 |
return tmp & ~7ULL; |
2553 |
} |
2554 |
|
2555 |
target_ulong helper_popc(target_ulong val) |
2556 |
{ |
2557 |
return ctpop64(val);
|
2558 |
} |
2559 |
|
2560 |
static inline uint64_t *get_gregset(uint64_t pstate) |
2561 |
{ |
2562 |
switch (pstate) {
|
2563 |
default:
|
2564 |
case 0: |
2565 |
return env->bgregs;
|
2566 |
case PS_AG:
|
2567 |
return env->agregs;
|
2568 |
case PS_MG:
|
2569 |
return env->mgregs;
|
2570 |
case PS_IG:
|
2571 |
return env->igregs;
|
2572 |
} |
2573 |
} |
2574 |
|
2575 |
void change_pstate(uint64_t new_pstate)
|
2576 |
{ |
2577 |
uint64_t pstate_regs, new_pstate_regs; |
2578 |
uint64_t *src, *dst; |
2579 |
|
2580 |
pstate_regs = env->pstate & 0xc01;
|
2581 |
new_pstate_regs = new_pstate & 0xc01;
|
2582 |
if (new_pstate_regs != pstate_regs) {
|
2583 |
// Switch global register bank
|
2584 |
src = get_gregset(new_pstate_regs); |
2585 |
dst = get_gregset(pstate_regs); |
2586 |
memcpy32(dst, env->gregs); |
2587 |
memcpy32(env->gregs, src); |
2588 |
} |
2589 |
env->pstate = new_pstate; |
2590 |
} |
2591 |
|
2592 |
void helper_wrpstate(target_ulong new_state)
|
2593 |
{ |
2594 |
change_pstate(new_state & 0xf3f);
|
2595 |
} |
2596 |
|
2597 |
void helper_done(void) |
2598 |
{ |
2599 |
env->tl--; |
2600 |
env->tsptr = &env->ts[env->tl]; |
2601 |
env->pc = env->tsptr->tpc; |
2602 |
env->npc = env->tsptr->tnpc + 4;
|
2603 |
PUT_CCR(env, env->tsptr->tstate >> 32);
|
2604 |
env->asi = (env->tsptr->tstate >> 24) & 0xff; |
2605 |
change_pstate((env->tsptr->tstate >> 8) & 0xf3f); |
2606 |
PUT_CWP64(env, env->tsptr->tstate & 0xff);
|
2607 |
} |
2608 |
|
2609 |
void helper_retry(void) |
2610 |
{ |
2611 |
env->tl--; |
2612 |
env->tsptr = &env->ts[env->tl]; |
2613 |
env->pc = env->tsptr->tpc; |
2614 |
env->npc = env->tsptr->tnpc; |
2615 |
PUT_CCR(env, env->tsptr->tstate >> 32);
|
2616 |
env->asi = (env->tsptr->tstate >> 24) & 0xff; |
2617 |
change_pstate((env->tsptr->tstate >> 8) & 0xf3f); |
2618 |
PUT_CWP64(env, env->tsptr->tstate & 0xff);
|
2619 |
} |
2620 |
#endif
|
2621 |
|
2622 |
void cpu_set_cwp(CPUState *env1, int new_cwp) |
2623 |
{ |
2624 |
/* put the modified wrap registers at their proper location */
|
2625 |
if (env1->cwp == (NWINDOWS - 1)) |
2626 |
memcpy32(env1->regbase, env1->regbase + NWINDOWS * 16);
|
2627 |
env1->cwp = new_cwp; |
2628 |
/* put the wrap registers at their temporary location */
|
2629 |
if (new_cwp == (NWINDOWS - 1)) |
2630 |
memcpy32(env1->regbase + NWINDOWS * 16, env1->regbase);
|
2631 |
env1->regwptr = env1->regbase + (new_cwp * 16);
|
2632 |
REGWPTR = env1->regwptr; |
2633 |
} |
2634 |
|
2635 |
void set_cwp(int new_cwp) |
2636 |
{ |
2637 |
cpu_set_cwp(env, new_cwp); |
2638 |
} |
2639 |
|
2640 |
void helper_flush(target_ulong addr)
|
2641 |
{ |
2642 |
addr &= ~7;
|
2643 |
tb_invalidate_page_range(addr, addr + 8);
|
2644 |
} |
2645 |
|
2646 |
#if !defined(CONFIG_USER_ONLY)
|
2647 |
|
2648 |
static void do_unaligned_access(target_ulong addr, int is_write, int is_user, |
2649 |
void *retaddr);
|
2650 |
|
2651 |
#define MMUSUFFIX _mmu
|
2652 |
#define ALIGNED_ONLY
|
2653 |
|
2654 |
#define SHIFT 0 |
2655 |
#include "softmmu_template.h" |
2656 |
|
2657 |
#define SHIFT 1 |
2658 |
#include "softmmu_template.h" |
2659 |
|
2660 |
#define SHIFT 2 |
2661 |
#include "softmmu_template.h" |
2662 |
|
2663 |
#define SHIFT 3 |
2664 |
#include "softmmu_template.h" |
2665 |
|
2666 |
/* XXX: make it generic ? */
|
2667 |
static void cpu_restore_state2(void *retaddr) |
2668 |
{ |
2669 |
TranslationBlock *tb; |
2670 |
unsigned long pc; |
2671 |
|
2672 |
if (retaddr) {
|
2673 |
/* now we have a real cpu fault */
|
2674 |
pc = (unsigned long)retaddr; |
2675 |
tb = tb_find_pc(pc); |
2676 |
if (tb) {
|
2677 |
/* the PC is inside the translated code. It means that we have
|
2678 |
a virtual CPU fault */
|
2679 |
cpu_restore_state(tb, env, pc, (void *)(long)env->cond); |
2680 |
} |
2681 |
} |
2682 |
} |
2683 |
|
2684 |
static void do_unaligned_access(target_ulong addr, int is_write, int is_user, |
2685 |
void *retaddr)
|
2686 |
{ |
2687 |
#ifdef DEBUG_UNALIGNED
|
2688 |
printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx |
2689 |
"\n", addr, env->pc);
|
2690 |
#endif
|
2691 |
cpu_restore_state2(retaddr); |
2692 |
raise_exception(TT_UNALIGNED); |
2693 |
} |
2694 |
|
2695 |
/* try to fill the TLB and return an exception if error. If retaddr is
|
2696 |
NULL, it means that the function was called in C code (i.e. not
|
2697 |
from generated code or from helper.c) */
|
2698 |
/* XXX: fix it to restore all registers */
|
2699 |
void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr) |
2700 |
{ |
2701 |
int ret;
|
2702 |
CPUState *saved_env; |
2703 |
|
2704 |
/* XXX: hack to restore env in all cases, even if not called from
|
2705 |
generated code */
|
2706 |
saved_env = env; |
2707 |
env = cpu_single_env; |
2708 |
|
2709 |
ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
|
2710 |
if (ret) {
|
2711 |
cpu_restore_state2(retaddr); |
2712 |
cpu_loop_exit(); |
2713 |
} |
2714 |
env = saved_env; |
2715 |
} |
2716 |
|
2717 |
#endif
|
2718 |
|
2719 |
#ifndef TARGET_SPARC64
|
2720 |
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
2721 |
int is_asi)
|
2722 |
{ |
2723 |
CPUState *saved_env; |
2724 |
|
2725 |
/* XXX: hack to restore env in all cases, even if not called from
|
2726 |
generated code */
|
2727 |
saved_env = env; |
2728 |
env = cpu_single_env; |
2729 |
#ifdef DEBUG_UNASSIGNED
|
2730 |
if (is_asi)
|
2731 |
printf("Unassigned mem %s access to " TARGET_FMT_plx
|
2732 |
" asi 0x%02x from " TARGET_FMT_lx "\n", |
2733 |
is_exec ? "exec" : is_write ? "write" : "read", addr, is_asi, |
2734 |
env->pc); |
2735 |
else
|
2736 |
printf("Unassigned mem %s access to " TARGET_FMT_plx " from " |
2737 |
TARGET_FMT_lx "\n",
|
2738 |
is_exec ? "exec" : is_write ? "write" : "read", addr, env->pc); |
2739 |
#endif
|
2740 |
if (env->mmuregs[3]) /* Fault status register */ |
2741 |
env->mmuregs[3] = 1; /* overflow (not read before another fault) */ |
2742 |
if (is_asi)
|
2743 |
env->mmuregs[3] |= 1 << 16; |
2744 |
if (env->psrs)
|
2745 |
env->mmuregs[3] |= 1 << 5; |
2746 |
if (is_exec)
|
2747 |
env->mmuregs[3] |= 1 << 6; |
2748 |
if (is_write)
|
2749 |
env->mmuregs[3] |= 1 << 7; |
2750 |
env->mmuregs[3] |= (5 << 2) | 2; |
2751 |
env->mmuregs[4] = addr; /* Fault address register */ |
2752 |
if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) { |
2753 |
if (is_exec)
|
2754 |
raise_exception(TT_CODE_ACCESS); |
2755 |
else
|
2756 |
raise_exception(TT_DATA_ACCESS); |
2757 |
} |
2758 |
env = saved_env; |
2759 |
} |
2760 |
#else
|
2761 |
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
2762 |
int is_asi)
|
2763 |
{ |
2764 |
#ifdef DEBUG_UNASSIGNED
|
2765 |
CPUState *saved_env; |
2766 |
|
2767 |
/* XXX: hack to restore env in all cases, even if not called from
|
2768 |
generated code */
|
2769 |
saved_env = env; |
2770 |
env = cpu_single_env; |
2771 |
printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx |
2772 |
"\n", addr, env->pc);
|
2773 |
env = saved_env; |
2774 |
#endif
|
2775 |
if (is_exec)
|
2776 |
raise_exception(TT_CODE_ACCESS); |
2777 |
else
|
2778 |
raise_exception(TT_DATA_ACCESS); |
2779 |
} |
2780 |
#endif
|
2781 |
|