root / target-sparc / op_helper.c @ 0bf9e31a
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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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//#define DEBUG_PCALL
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|
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#ifdef DEBUG_MMU
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#define DPRINTF_MMU(fmt, ...) \
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do { printf("MMU: " fmt , ## __VA_ARGS__); } while (0) |
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#else
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#define DPRINTF_MMU(fmt, ...) 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, ...) \
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do { printf("MXCC: " fmt , ## __VA_ARGS__); } while (0) |
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#else
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#define DPRINTF_MXCC(fmt, ...) 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, ...) \
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do { printf("ASI: " fmt , ## __VA_ARGS__); } while (0) |
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#endif
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|
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#ifdef TARGET_SPARC64
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#ifndef TARGET_ABI32
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#define AM_CHECK(env1) ((env1)->pstate & PS_AM)
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#else
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#define AM_CHECK(env1) (1) |
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#endif
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#endif
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|
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#if defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
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// Calculates TSB pointer value for fault page size 8k or 64k
|
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static uint64_t ultrasparc_tsb_pointer(uint64_t tsb_register,
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uint64_t tag_access_register, |
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int page_size)
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{ |
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uint64_t tsb_base = tsb_register & ~0x1fffULL;
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int tsb_split = (env->dmmuregs[5] & 0x1000ULL) ? 1 : 0; |
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int tsb_size = env->dmmuregs[5] & 0xf; |
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|
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// discard lower 13 bits which hold tag access context
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uint64_t tag_access_va = tag_access_register & ~0x1fffULL;
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|
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// now reorder bits
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uint64_t tsb_base_mask = ~0x1fffULL;
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uint64_t va = tag_access_va; |
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|
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// move va bits to correct position
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if (page_size == 8*1024) { |
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va >>= 9;
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} else if (page_size == 64*1024) { |
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va >>= 12;
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} |
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|
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if (tsb_size) {
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tsb_base_mask <<= tsb_size; |
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} |
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|
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// calculate tsb_base mask and adjust va if split is in use
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if (tsb_split) {
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if (page_size == 8*1024) { |
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va &= ~(1ULL << (13 + tsb_size)); |
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} else if (page_size == 64*1024) { |
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va |= (1ULL << (13 + tsb_size)); |
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} |
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tsb_base_mask <<= 1;
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} |
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|
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return ((tsb_base & tsb_base_mask) | (va & ~tsb_base_mask)) & ~0xfULL; |
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} |
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|
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// Calculates tag target register value by reordering bits
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// in tag access register
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static uint64_t ultrasparc_tag_target(uint64_t tag_access_register)
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{ |
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return ((tag_access_register & 0x1fff) << 48) | (tag_access_register >> 22); |
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} |
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|
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#endif
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|
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static inline void address_mask(CPUState *env1, target_ulong *addr) |
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{ |
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#ifdef TARGET_SPARC64
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if (AM_CHECK(env1))
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*addr &= 0xffffffffULL;
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#endif
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} |
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|
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static 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(raise_exception)(int tt) |
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{ |
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raise_exception(tt); |
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} |
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|
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static inline void set_cwp(int new_cwp) |
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{ |
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cpu_set_cwp(env, new_cwp); |
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} |
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|
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void helper_check_align(target_ulong addr, uint32_t align)
|
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{ |
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if (addr & align) {
|
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#ifdef DEBUG_UNALIGNED
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printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx |
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"\n", addr, env->pc);
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#endif
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raise_exception(TT_UNALIGNED); |
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} |
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} |
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|
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#define F_HELPER(name, p) void helper_f##name##p(void) |
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|
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#define F_BINOP(name) \
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float32 helper_f ## name ## s (float32 src1, float32 src2) \ |
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{ \ |
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return float32_ ## name (src1, src2, &env->fp_status); \ |
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} \ |
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F_HELPER(name, d) \ |
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{ \ |
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DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \ |
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} \ |
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F_HELPER(name, q) \ |
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{ \ |
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QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \ |
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} |
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|
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F_BINOP(add); |
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F_BINOP(sub); |
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F_BINOP(mul); |
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F_BINOP(div); |
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#undef F_BINOP
|
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|
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void helper_fsmuld(float32 src1, float32 src2)
|
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{ |
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DT0 = float64_mul(float32_to_float64(src1, &env->fp_status), |
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float32_to_float64(src2, &env->fp_status), |
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&env->fp_status); |
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} |
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|
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void helper_fdmulq(void) |
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{ |
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QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status), |
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float64_to_float128(DT1, &env->fp_status), |
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&env->fp_status); |
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} |
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|
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float32 helper_fnegs(float32 src) |
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{ |
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return float32_chs(src);
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} |
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|
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#ifdef TARGET_SPARC64
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F_HELPER(neg, d) |
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{ |
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DT0 = float64_chs(DT1); |
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} |
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|
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F_HELPER(neg, q) |
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{ |
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QT0 = float128_chs(QT1); |
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} |
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#endif
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|
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/* Integer to float conversion. */
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float32 helper_fitos(int32_t src) |
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{ |
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return int32_to_float32(src, &env->fp_status);
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} |
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|
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void helper_fitod(int32_t src)
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{ |
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DT0 = int32_to_float64(src, &env->fp_status); |
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} |
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|
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void helper_fitoq(int32_t src)
|
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{ |
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QT0 = int32_to_float128(src, &env->fp_status); |
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} |
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|
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#ifdef TARGET_SPARC64
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float32 helper_fxtos(void)
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{ |
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return 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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float32 helper_fdtos(void)
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{ |
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return float64_to_float32(DT1, &env->fp_status);
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} |
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|
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void helper_fstod(float32 src)
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{ |
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DT0 = float32_to_float64(src, &env->fp_status); |
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} |
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|
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float32 helper_fqtos(void)
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{ |
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return float128_to_float32(QT1, &env->fp_status);
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} |
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|
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void helper_fstoq(float32 src)
|
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{ |
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QT0 = float32_to_float128(src, &env->fp_status); |
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} |
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|
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void helper_fqtod(void) |
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{ |
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DT0 = float128_to_float64(QT1, &env->fp_status); |
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} |
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|
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void helper_fdtoq(void) |
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{ |
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QT0 = float64_to_float128(DT1, &env->fp_status); |
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} |
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|
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/* Float to integer conversion. */
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int32_t helper_fstoi(float32 src) |
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{ |
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return float32_to_int32_round_to_zero(src, &env->fp_status);
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} |
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|
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int32_t helper_fdtoi(void)
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{ |
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return float64_to_int32_round_to_zero(DT1, &env->fp_status);
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} |
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|
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int32_t helper_fqtoi(void)
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{ |
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return 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(float32 src)
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{ |
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*((int64_t *)&DT0) = float32_to_int64_round_to_zero(src, &env->fp_status); |
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} |
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|
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void helper_fdtox(void) |
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{ |
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*((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status); |
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} |
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|
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void helper_fqtox(void) |
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{ |
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*((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status); |
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} |
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|
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void helper_faligndata(void) |
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{ |
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uint64_t tmp; |
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|
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tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8); |
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/* on many architectures a shift of 64 does nothing */
|
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if ((env->gsr & 7) != 0) { |
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tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8); |
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} |
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*((uint64_t *)&DT0) = tmp; |
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} |
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|
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#ifdef WORDS_BIGENDIAN
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#define VIS_B64(n) b[7 - (n)] |
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#define VIS_W64(n) w[3 - (n)] |
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#define VIS_SW64(n) sw[3 - (n)] |
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#define VIS_L64(n) l[1 - (n)] |
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#define VIS_B32(n) b[3 - (n)] |
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#define VIS_W32(n) w[1 - (n)] |
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#else
|
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#define VIS_B64(n) b[n]
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#define VIS_W64(n) w[n]
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#define VIS_SW64(n) sw[n]
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#define VIS_L64(n) l[n]
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#define VIS_B32(n) b[n]
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#define VIS_W32(n) w[n]
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#endif
|
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|
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typedef union { |
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uint8_t b[8];
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uint16_t w[4];
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int16_t sw[4];
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uint32_t l[2];
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float64 d; |
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} vis64; |
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|
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typedef union { |
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uint8_t b[4];
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uint16_t w[2];
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uint32_t l; |
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float32 f; |
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} vis32; |
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|
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void helper_fpmerge(void) |
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{ |
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vis64 s, d; |
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|
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s.d = DT0; |
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d.d = DT1; |
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|
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// Reverse calculation order to handle overlap
|
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d.VIS_B64(7) = s.VIS_B64(3); |
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d.VIS_B64(6) = d.VIS_B64(3); |
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d.VIS_B64(5) = s.VIS_B64(2); |
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d.VIS_B64(4) = d.VIS_B64(2); |
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d.VIS_B64(3) = s.VIS_B64(1); |
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d.VIS_B64(2) = d.VIS_B64(1); |
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d.VIS_B64(1) = s.VIS_B64(0); |
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//d.VIS_B64(0) = d.VIS_B64(0);
|
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|
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DT0 = d.d; |
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} |
339 |
|
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void helper_fmul8x16(void) |
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{ |
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vis64 s, d; |
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uint32_t tmp; |
344 |
|
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s.d = DT0; |
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d.d = DT1; |
347 |
|
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#define PMUL(r) \
|
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tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \ |
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if ((tmp & 0xff) > 0x7f) \ |
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tmp += 0x100; \
|
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d.VIS_W64(r) = tmp >> 8;
|
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|
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PMUL(0);
|
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PMUL(1);
|
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PMUL(2);
|
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PMUL(3);
|
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#undef PMUL
|
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|
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DT0 = d.d; |
361 |
} |
362 |
|
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void helper_fmul8x16al(void) |
364 |
{ |
365 |
vis64 s, d; |
366 |
uint32_t tmp; |
367 |
|
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s.d = DT0; |
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d.d = DT1; |
370 |
|
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#define PMUL(r) \
|
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tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \
|
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if ((tmp & 0xff) > 0x7f) \ |
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tmp += 0x100; \
|
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d.VIS_W64(r) = tmp >> 8;
|
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|
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PMUL(0);
|
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PMUL(1);
|
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PMUL(2);
|
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PMUL(3);
|
381 |
#undef PMUL
|
382 |
|
383 |
DT0 = d.d; |
384 |
} |
385 |
|
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void helper_fmul8x16au(void) |
387 |
{ |
388 |
vis64 s, d; |
389 |
uint32_t tmp; |
390 |
|
391 |
s.d = DT0; |
392 |
d.d = DT1; |
393 |
|
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#define PMUL(r) \
|
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tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
|
396 |
if ((tmp & 0xff) > 0x7f) \ |
397 |
tmp += 0x100; \
|
398 |
d.VIS_W64(r) = tmp >> 8;
|
399 |
|
400 |
PMUL(0);
|
401 |
PMUL(1);
|
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PMUL(2);
|
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PMUL(3);
|
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#undef PMUL
|
405 |
|
406 |
DT0 = d.d; |
407 |
} |
408 |
|
409 |
void helper_fmul8sux16(void) |
410 |
{ |
411 |
vis64 s, d; |
412 |
uint32_t tmp; |
413 |
|
414 |
s.d = DT0; |
415 |
d.d = DT1; |
416 |
|
417 |
#define PMUL(r) \
|
418 |
tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
|
419 |
if ((tmp & 0xff) > 0x7f) \ |
420 |
tmp += 0x100; \
|
421 |
d.VIS_W64(r) = tmp >> 8;
|
422 |
|
423 |
PMUL(0);
|
424 |
PMUL(1);
|
425 |
PMUL(2);
|
426 |
PMUL(3);
|
427 |
#undef PMUL
|
428 |
|
429 |
DT0 = d.d; |
430 |
} |
431 |
|
432 |
void helper_fmul8ulx16(void) |
433 |
{ |
434 |
vis64 s, d; |
435 |
uint32_t tmp; |
436 |
|
437 |
s.d = DT0; |
438 |
d.d = DT1; |
439 |
|
440 |
#define PMUL(r) \
|
441 |
tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
|
442 |
if ((tmp & 0xff) > 0x7f) \ |
443 |
tmp += 0x100; \
|
444 |
d.VIS_W64(r) = tmp >> 8;
|
445 |
|
446 |
PMUL(0);
|
447 |
PMUL(1);
|
448 |
PMUL(2);
|
449 |
PMUL(3);
|
450 |
#undef PMUL
|
451 |
|
452 |
DT0 = d.d; |
453 |
} |
454 |
|
455 |
void helper_fmuld8sux16(void) |
456 |
{ |
457 |
vis64 s, d; |
458 |
uint32_t tmp; |
459 |
|
460 |
s.d = DT0; |
461 |
d.d = DT1; |
462 |
|
463 |
#define PMUL(r) \
|
464 |
tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \
|
465 |
if ((tmp & 0xff) > 0x7f) \ |
466 |
tmp += 0x100; \
|
467 |
d.VIS_L64(r) = tmp; |
468 |
|
469 |
// Reverse calculation order to handle overlap
|
470 |
PMUL(1);
|
471 |
PMUL(0);
|
472 |
#undef PMUL
|
473 |
|
474 |
DT0 = d.d; |
475 |
} |
476 |
|
477 |
void helper_fmuld8ulx16(void) |
478 |
{ |
479 |
vis64 s, d; |
480 |
uint32_t tmp; |
481 |
|
482 |
s.d = DT0; |
483 |
d.d = DT1; |
484 |
|
485 |
#define PMUL(r) \
|
486 |
tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \
|
487 |
if ((tmp & 0xff) > 0x7f) \ |
488 |
tmp += 0x100; \
|
489 |
d.VIS_L64(r) = tmp; |
490 |
|
491 |
// Reverse calculation order to handle overlap
|
492 |
PMUL(1);
|
493 |
PMUL(0);
|
494 |
#undef PMUL
|
495 |
|
496 |
DT0 = d.d; |
497 |
} |
498 |
|
499 |
void helper_fexpand(void) |
500 |
{ |
501 |
vis32 s; |
502 |
vis64 d; |
503 |
|
504 |
s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
|
505 |
d.d = DT1; |
506 |
d.VIS_W64(0) = s.VIS_B32(0) << 4; |
507 |
d.VIS_W64(1) = s.VIS_B32(1) << 4; |
508 |
d.VIS_W64(2) = s.VIS_B32(2) << 4; |
509 |
d.VIS_W64(3) = s.VIS_B32(3) << 4; |
510 |
|
511 |
DT0 = d.d; |
512 |
} |
513 |
|
514 |
#define VIS_HELPER(name, F) \
|
515 |
void name##16(void) \ |
516 |
{ \ |
517 |
vis64 s, d; \ |
518 |
\ |
519 |
s.d = DT0; \ |
520 |
d.d = DT1; \ |
521 |
\ |
522 |
d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \ |
523 |
d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \ |
524 |
d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \ |
525 |
d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \ |
526 |
\ |
527 |
DT0 = d.d; \ |
528 |
} \ |
529 |
\ |
530 |
uint32_t name##16s(uint32_t src1, uint32_t src2) \ |
531 |
{ \ |
532 |
vis32 s, d; \ |
533 |
\ |
534 |
s.l = src1; \ |
535 |
d.l = src2; \ |
536 |
\ |
537 |
d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \ |
538 |
d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \ |
539 |
\ |
540 |
return d.l; \
|
541 |
} \ |
542 |
\ |
543 |
void name##32(void) \ |
544 |
{ \ |
545 |
vis64 s, d; \ |
546 |
\ |
547 |
s.d = DT0; \ |
548 |
d.d = DT1; \ |
549 |
\ |
550 |
d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \ |
551 |
d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \ |
552 |
\ |
553 |
DT0 = d.d; \ |
554 |
} \ |
555 |
\ |
556 |
uint32_t name##32s(uint32_t src1, uint32_t src2) \ |
557 |
{ \ |
558 |
vis32 s, d; \ |
559 |
\ |
560 |
s.l = src1; \ |
561 |
d.l = src2; \ |
562 |
\ |
563 |
d.l = F(d.l, s.l); \ |
564 |
\ |
565 |
return d.l; \
|
566 |
} |
567 |
|
568 |
#define FADD(a, b) ((a) + (b))
|
569 |
#define FSUB(a, b) ((a) - (b))
|
570 |
VIS_HELPER(helper_fpadd, FADD) |
571 |
VIS_HELPER(helper_fpsub, FSUB) |
572 |
|
573 |
#define VIS_CMPHELPER(name, F) \
|
574 |
void name##16(void) \ |
575 |
{ \ |
576 |
vis64 s, d; \ |
577 |
\ |
578 |
s.d = DT0; \ |
579 |
d.d = DT1; \ |
580 |
\ |
581 |
d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0))? 1: 0; \ |
582 |
d.VIS_W64(0) |= F(d.VIS_W64(1), s.VIS_W64(1))? 2: 0; \ |
583 |
d.VIS_W64(0) |= F(d.VIS_W64(2), s.VIS_W64(2))? 4: 0; \ |
584 |
d.VIS_W64(0) |= F(d.VIS_W64(3), s.VIS_W64(3))? 8: 0; \ |
585 |
\ |
586 |
DT0 = d.d; \ |
587 |
} \ |
588 |
\ |
589 |
void name##32(void) \ |
590 |
{ \ |
591 |
vis64 s, d; \ |
592 |
\ |
593 |
s.d = DT0; \ |
594 |
d.d = DT1; \ |
595 |
\ |
596 |
d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0))? 1: 0; \ |
597 |
d.VIS_L64(0) |= F(d.VIS_L64(1), s.VIS_L64(1))? 2: 0; \ |
598 |
\ |
599 |
DT0 = d.d; \ |
600 |
} |
601 |
|
602 |
#define FCMPGT(a, b) ((a) > (b))
|
603 |
#define FCMPEQ(a, b) ((a) == (b))
|
604 |
#define FCMPLE(a, b) ((a) <= (b))
|
605 |
#define FCMPNE(a, b) ((a) != (b))
|
606 |
|
607 |
VIS_CMPHELPER(helper_fcmpgt, FCMPGT) |
608 |
VIS_CMPHELPER(helper_fcmpeq, FCMPEQ) |
609 |
VIS_CMPHELPER(helper_fcmple, FCMPLE) |
610 |
VIS_CMPHELPER(helper_fcmpne, FCMPNE) |
611 |
#endif
|
612 |
|
613 |
void helper_check_ieee_exceptions(void) |
614 |
{ |
615 |
target_ulong status; |
616 |
|
617 |
status = get_float_exception_flags(&env->fp_status); |
618 |
if (status) {
|
619 |
/* Copy IEEE 754 flags into FSR */
|
620 |
if (status & float_flag_invalid)
|
621 |
env->fsr |= FSR_NVC; |
622 |
if (status & float_flag_overflow)
|
623 |
env->fsr |= FSR_OFC; |
624 |
if (status & float_flag_underflow)
|
625 |
env->fsr |= FSR_UFC; |
626 |
if (status & float_flag_divbyzero)
|
627 |
env->fsr |= FSR_DZC; |
628 |
if (status & float_flag_inexact)
|
629 |
env->fsr |= FSR_NXC; |
630 |
|
631 |
if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) { |
632 |
/* Unmasked exception, generate a trap */
|
633 |
env->fsr |= FSR_FTT_IEEE_EXCP; |
634 |
raise_exception(TT_FP_EXCP); |
635 |
} else {
|
636 |
/* Accumulate exceptions */
|
637 |
env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5;
|
638 |
} |
639 |
} |
640 |
} |
641 |
|
642 |
void helper_clear_float_exceptions(void) |
643 |
{ |
644 |
set_float_exception_flags(0, &env->fp_status);
|
645 |
} |
646 |
|
647 |
float32 helper_fabss(float32 src) |
648 |
{ |
649 |
return float32_abs(src);
|
650 |
} |
651 |
|
652 |
#ifdef TARGET_SPARC64
|
653 |
void helper_fabsd(void) |
654 |
{ |
655 |
DT0 = float64_abs(DT1); |
656 |
} |
657 |
|
658 |
void helper_fabsq(void) |
659 |
{ |
660 |
QT0 = float128_abs(QT1); |
661 |
} |
662 |
#endif
|
663 |
|
664 |
float32 helper_fsqrts(float32 src) |
665 |
{ |
666 |
return float32_sqrt(src, &env->fp_status);
|
667 |
} |
668 |
|
669 |
void helper_fsqrtd(void) |
670 |
{ |
671 |
DT0 = float64_sqrt(DT1, &env->fp_status); |
672 |
} |
673 |
|
674 |
void helper_fsqrtq(void) |
675 |
{ |
676 |
QT0 = float128_sqrt(QT1, &env->fp_status); |
677 |
} |
678 |
|
679 |
#define GEN_FCMP(name, size, reg1, reg2, FS, TRAP) \
|
680 |
void glue(helper_, name) (void) \ |
681 |
{ \ |
682 |
target_ulong new_fsr; \ |
683 |
\ |
684 |
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \ |
685 |
switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
|
686 |
case float_relation_unordered: \
|
687 |
new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \ |
688 |
if ((env->fsr & FSR_NVM) || TRAP) { \
|
689 |
env->fsr |= new_fsr; \ |
690 |
env->fsr |= FSR_NVC; \ |
691 |
env->fsr |= FSR_FTT_IEEE_EXCP; \ |
692 |
raise_exception(TT_FP_EXCP); \ |
693 |
} else { \
|
694 |
env->fsr |= FSR_NVA; \ |
695 |
} \ |
696 |
break; \
|
697 |
case float_relation_less: \
|
698 |
new_fsr = FSR_FCC0 << FS; \ |
699 |
break; \
|
700 |
case float_relation_greater: \
|
701 |
new_fsr = FSR_FCC1 << FS; \ |
702 |
break; \
|
703 |
default: \
|
704 |
new_fsr = 0; \
|
705 |
break; \
|
706 |
} \ |
707 |
env->fsr |= new_fsr; \ |
708 |
} |
709 |
#define GEN_FCMPS(name, size, FS, TRAP) \
|
710 |
void glue(helper_, name)(float32 src1, float32 src2) \
|
711 |
{ \ |
712 |
target_ulong new_fsr; \ |
713 |
\ |
714 |
env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \ |
715 |
switch (glue(size, _compare) (src1, src2, &env->fp_status)) { \
|
716 |
case float_relation_unordered: \
|
717 |
new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \ |
718 |
if ((env->fsr & FSR_NVM) || TRAP) { \
|
719 |
env->fsr |= new_fsr; \ |
720 |
env->fsr |= FSR_NVC; \ |
721 |
env->fsr |= FSR_FTT_IEEE_EXCP; \ |
722 |
raise_exception(TT_FP_EXCP); \ |
723 |
} else { \
|
724 |
env->fsr |= FSR_NVA; \ |
725 |
} \ |
726 |
break; \
|
727 |
case float_relation_less: \
|
728 |
new_fsr = FSR_FCC0 << FS; \ |
729 |
break; \
|
730 |
case float_relation_greater: \
|
731 |
new_fsr = FSR_FCC1 << FS; \ |
732 |
break; \
|
733 |
default: \
|
734 |
new_fsr = 0; \
|
735 |
break; \
|
736 |
} \ |
737 |
env->fsr |= new_fsr; \ |
738 |
} |
739 |
|
740 |
GEN_FCMPS(fcmps, float32, 0, 0); |
741 |
GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0); |
742 |
|
743 |
GEN_FCMPS(fcmpes, float32, 0, 1); |
744 |
GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1); |
745 |
|
746 |
GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0); |
747 |
GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1); |
748 |
|
749 |
static uint32_t compute_all_flags(void) |
750 |
{ |
751 |
return env->psr & PSR_ICC;
|
752 |
} |
753 |
|
754 |
static uint32_t compute_C_flags(void) |
755 |
{ |
756 |
return env->psr & PSR_CARRY;
|
757 |
} |
758 |
|
759 |
static inline uint32_t get_NZ_icc(target_ulong dst) |
760 |
{ |
761 |
uint32_t ret = 0;
|
762 |
|
763 |
if (!(dst & 0xffffffffULL)) |
764 |
ret |= PSR_ZERO; |
765 |
if ((int32_t) (dst & 0xffffffffULL) < 0) |
766 |
ret |= PSR_NEG; |
767 |
return ret;
|
768 |
} |
769 |
|
770 |
#ifdef TARGET_SPARC64
|
771 |
static uint32_t compute_all_flags_xcc(void) |
772 |
{ |
773 |
return env->xcc & PSR_ICC;
|
774 |
} |
775 |
|
776 |
static uint32_t compute_C_flags_xcc(void) |
777 |
{ |
778 |
return env->xcc & PSR_CARRY;
|
779 |
} |
780 |
|
781 |
static inline uint32_t get_NZ_xcc(target_ulong dst) |
782 |
{ |
783 |
uint32_t ret = 0;
|
784 |
|
785 |
if (!dst)
|
786 |
ret |= PSR_ZERO; |
787 |
if ((int64_t)dst < 0) |
788 |
ret |= PSR_NEG; |
789 |
return ret;
|
790 |
} |
791 |
#endif
|
792 |
|
793 |
static inline uint32_t get_V_div_icc(target_ulong src2) |
794 |
{ |
795 |
uint32_t ret = 0;
|
796 |
|
797 |
if (src2 != 0) |
798 |
ret |= PSR_OVF; |
799 |
return ret;
|
800 |
} |
801 |
|
802 |
static uint32_t compute_all_div(void) |
803 |
{ |
804 |
uint32_t ret; |
805 |
|
806 |
ret = get_NZ_icc(CC_DST); |
807 |
ret |= get_V_div_icc(CC_SRC2); |
808 |
return ret;
|
809 |
} |
810 |
|
811 |
static uint32_t compute_C_div(void) |
812 |
{ |
813 |
return 0; |
814 |
} |
815 |
|
816 |
static inline uint32_t get_C_add_icc(target_ulong dst, target_ulong src1) |
817 |
{ |
818 |
uint32_t ret = 0;
|
819 |
|
820 |
if ((dst & 0xffffffffULL) < (src1 & 0xffffffffULL)) |
821 |
ret |= PSR_CARRY; |
822 |
return ret;
|
823 |
} |
824 |
|
825 |
static inline uint32_t get_V_add_icc(target_ulong dst, target_ulong src1, |
826 |
target_ulong src2) |
827 |
{ |
828 |
uint32_t ret = 0;
|
829 |
|
830 |
if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 31)) |
831 |
ret |= PSR_OVF; |
832 |
return ret;
|
833 |
} |
834 |
|
835 |
static uint32_t compute_all_add(void) |
836 |
{ |
837 |
uint32_t ret; |
838 |
|
839 |
ret = get_NZ_icc(CC_DST); |
840 |
ret |= get_C_add_icc(CC_DST, CC_SRC); |
841 |
ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2); |
842 |
return ret;
|
843 |
} |
844 |
|
845 |
static uint32_t compute_C_add(void) |
846 |
{ |
847 |
return get_C_add_icc(CC_DST, CC_SRC);
|
848 |
} |
849 |
|
850 |
#ifdef TARGET_SPARC64
|
851 |
static inline uint32_t get_C_add_xcc(target_ulong dst, target_ulong src1) |
852 |
{ |
853 |
uint32_t ret = 0;
|
854 |
|
855 |
if (dst < src1)
|
856 |
ret |= PSR_CARRY; |
857 |
return ret;
|
858 |
} |
859 |
|
860 |
static inline uint32_t get_V_add_xcc(target_ulong dst, target_ulong src1, |
861 |
target_ulong src2) |
862 |
{ |
863 |
uint32_t ret = 0;
|
864 |
|
865 |
if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 63)) |
866 |
ret |= PSR_OVF; |
867 |
return ret;
|
868 |
} |
869 |
|
870 |
static uint32_t compute_all_add_xcc(void) |
871 |
{ |
872 |
uint32_t ret; |
873 |
|
874 |
ret = get_NZ_xcc(CC_DST); |
875 |
ret |= get_C_add_xcc(CC_DST, CC_SRC); |
876 |
ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2); |
877 |
return ret;
|
878 |
} |
879 |
|
880 |
static uint32_t compute_C_add_xcc(void) |
881 |
{ |
882 |
return get_C_add_xcc(CC_DST, CC_SRC);
|
883 |
} |
884 |
#endif
|
885 |
|
886 |
static uint32_t compute_all_addx(void) |
887 |
{ |
888 |
uint32_t ret; |
889 |
|
890 |
ret = get_NZ_icc(CC_DST); |
891 |
ret |= get_C_add_icc(CC_DST - CC_SRC2, CC_SRC); |
892 |
ret |= get_C_add_icc(CC_DST, CC_SRC); |
893 |
ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2); |
894 |
return ret;
|
895 |
} |
896 |
|
897 |
static uint32_t compute_C_addx(void) |
898 |
{ |
899 |
uint32_t ret; |
900 |
|
901 |
ret = get_C_add_icc(CC_DST - CC_SRC2, CC_SRC); |
902 |
ret |= get_C_add_icc(CC_DST, CC_SRC); |
903 |
return ret;
|
904 |
} |
905 |
|
906 |
#ifdef TARGET_SPARC64
|
907 |
static uint32_t compute_all_addx_xcc(void) |
908 |
{ |
909 |
uint32_t ret; |
910 |
|
911 |
ret = get_NZ_xcc(CC_DST); |
912 |
ret |= get_C_add_xcc(CC_DST - CC_SRC2, CC_SRC); |
913 |
ret |= get_C_add_xcc(CC_DST, CC_SRC); |
914 |
ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2); |
915 |
return ret;
|
916 |
} |
917 |
|
918 |
static uint32_t compute_C_addx_xcc(void) |
919 |
{ |
920 |
uint32_t ret; |
921 |
|
922 |
ret = get_C_add_xcc(CC_DST - CC_SRC2, CC_SRC); |
923 |
ret |= get_C_add_xcc(CC_DST, CC_SRC); |
924 |
return ret;
|
925 |
} |
926 |
#endif
|
927 |
|
928 |
static inline uint32_t get_V_tag_icc(target_ulong src1, target_ulong src2) |
929 |
{ |
930 |
uint32_t ret = 0;
|
931 |
|
932 |
if ((src1 | src2) & 0x3) |
933 |
ret |= PSR_OVF; |
934 |
return ret;
|
935 |
} |
936 |
|
937 |
static uint32_t compute_all_tadd(void) |
938 |
{ |
939 |
uint32_t ret; |
940 |
|
941 |
ret = get_NZ_icc(CC_DST); |
942 |
ret |= get_C_add_icc(CC_DST, CC_SRC); |
943 |
ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2); |
944 |
ret |= get_V_tag_icc(CC_SRC, CC_SRC2); |
945 |
return ret;
|
946 |
} |
947 |
|
948 |
static uint32_t compute_C_tadd(void) |
949 |
{ |
950 |
return get_C_add_icc(CC_DST, CC_SRC);
|
951 |
} |
952 |
|
953 |
static uint32_t compute_all_taddtv(void) |
954 |
{ |
955 |
uint32_t ret; |
956 |
|
957 |
ret = get_NZ_icc(CC_DST); |
958 |
ret |= get_C_add_icc(CC_DST, CC_SRC); |
959 |
return ret;
|
960 |
} |
961 |
|
962 |
static uint32_t compute_C_taddtv(void) |
963 |
{ |
964 |
return get_C_add_icc(CC_DST, CC_SRC);
|
965 |
} |
966 |
|
967 |
static inline uint32_t get_C_sub_icc(target_ulong src1, target_ulong src2) |
968 |
{ |
969 |
uint32_t ret = 0;
|
970 |
|
971 |
if ((src1 & 0xffffffffULL) < (src2 & 0xffffffffULL)) |
972 |
ret |= PSR_CARRY; |
973 |
return ret;
|
974 |
} |
975 |
|
976 |
static inline uint32_t get_V_sub_icc(target_ulong dst, target_ulong src1, |
977 |
target_ulong src2) |
978 |
{ |
979 |
uint32_t ret = 0;
|
980 |
|
981 |
if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 31)) |
982 |
ret |= PSR_OVF; |
983 |
return ret;
|
984 |
} |
985 |
|
986 |
static uint32_t compute_all_sub(void) |
987 |
{ |
988 |
uint32_t ret; |
989 |
|
990 |
ret = get_NZ_icc(CC_DST); |
991 |
ret |= get_C_sub_icc(CC_SRC, CC_SRC2); |
992 |
ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2); |
993 |
return ret;
|
994 |
} |
995 |
|
996 |
static uint32_t compute_C_sub(void) |
997 |
{ |
998 |
return get_C_sub_icc(CC_SRC, CC_SRC2);
|
999 |
} |
1000 |
|
1001 |
#ifdef TARGET_SPARC64
|
1002 |
static inline uint32_t get_C_sub_xcc(target_ulong src1, target_ulong src2) |
1003 |
{ |
1004 |
uint32_t ret = 0;
|
1005 |
|
1006 |
if (src1 < src2)
|
1007 |
ret |= PSR_CARRY; |
1008 |
return ret;
|
1009 |
} |
1010 |
|
1011 |
static inline uint32_t get_V_sub_xcc(target_ulong dst, target_ulong src1, |
1012 |
target_ulong src2) |
1013 |
{ |
1014 |
uint32_t ret = 0;
|
1015 |
|
1016 |
if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 63)) |
1017 |
ret |= PSR_OVF; |
1018 |
return ret;
|
1019 |
} |
1020 |
|
1021 |
static uint32_t compute_all_sub_xcc(void) |
1022 |
{ |
1023 |
uint32_t ret; |
1024 |
|
1025 |
ret = get_NZ_xcc(CC_DST); |
1026 |
ret |= get_C_sub_xcc(CC_SRC, CC_SRC2); |
1027 |
ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2); |
1028 |
return ret;
|
1029 |
} |
1030 |
|
1031 |
static uint32_t compute_C_sub_xcc(void) |
1032 |
{ |
1033 |
return get_C_sub_xcc(CC_SRC, CC_SRC2);
|
1034 |
} |
1035 |
#endif
|
1036 |
|
1037 |
static uint32_t compute_all_subx(void) |
1038 |
{ |
1039 |
uint32_t ret; |
1040 |
|
1041 |
ret = get_NZ_icc(CC_DST); |
1042 |
ret |= get_C_sub_icc(CC_DST - CC_SRC2, CC_SRC); |
1043 |
ret |= get_C_sub_icc(CC_DST, CC_SRC2); |
1044 |
ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2); |
1045 |
return ret;
|
1046 |
} |
1047 |
|
1048 |
static uint32_t compute_C_subx(void) |
1049 |
{ |
1050 |
uint32_t ret; |
1051 |
|
1052 |
ret = get_C_sub_icc(CC_DST - CC_SRC2, CC_SRC); |
1053 |
ret |= get_C_sub_icc(CC_DST, CC_SRC2); |
1054 |
return ret;
|
1055 |
} |
1056 |
|
1057 |
#ifdef TARGET_SPARC64
|
1058 |
static uint32_t compute_all_subx_xcc(void) |
1059 |
{ |
1060 |
uint32_t ret; |
1061 |
|
1062 |
ret = get_NZ_xcc(CC_DST); |
1063 |
ret |= get_C_sub_xcc(CC_DST - CC_SRC2, CC_SRC); |
1064 |
ret |= get_C_sub_xcc(CC_DST, CC_SRC2); |
1065 |
ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2); |
1066 |
return ret;
|
1067 |
} |
1068 |
|
1069 |
static uint32_t compute_C_subx_xcc(void) |
1070 |
{ |
1071 |
uint32_t ret; |
1072 |
|
1073 |
ret = get_C_sub_xcc(CC_DST - CC_SRC2, CC_SRC); |
1074 |
ret |= get_C_sub_xcc(CC_DST, CC_SRC2); |
1075 |
return ret;
|
1076 |
} |
1077 |
#endif
|
1078 |
|
1079 |
static uint32_t compute_all_tsub(void) |
1080 |
{ |
1081 |
uint32_t ret; |
1082 |
|
1083 |
ret = get_NZ_icc(CC_DST); |
1084 |
ret |= get_C_sub_icc(CC_DST, CC_SRC); |
1085 |
ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2); |
1086 |
ret |= get_V_tag_icc(CC_SRC, CC_SRC2); |
1087 |
return ret;
|
1088 |
} |
1089 |
|
1090 |
static uint32_t compute_C_tsub(void) |
1091 |
{ |
1092 |
return get_C_sub_icc(CC_DST, CC_SRC);
|
1093 |
} |
1094 |
|
1095 |
static uint32_t compute_all_tsubtv(void) |
1096 |
{ |
1097 |
uint32_t ret; |
1098 |
|
1099 |
ret = get_NZ_icc(CC_DST); |
1100 |
ret |= get_C_sub_icc(CC_DST, CC_SRC); |
1101 |
return ret;
|
1102 |
} |
1103 |
|
1104 |
static uint32_t compute_C_tsubtv(void) |
1105 |
{ |
1106 |
return get_C_sub_icc(CC_DST, CC_SRC);
|
1107 |
} |
1108 |
|
1109 |
static uint32_t compute_all_logic(void) |
1110 |
{ |
1111 |
return get_NZ_icc(CC_DST);
|
1112 |
} |
1113 |
|
1114 |
static uint32_t compute_C_logic(void) |
1115 |
{ |
1116 |
return 0; |
1117 |
} |
1118 |
|
1119 |
#ifdef TARGET_SPARC64
|
1120 |
static uint32_t compute_all_logic_xcc(void) |
1121 |
{ |
1122 |
return get_NZ_xcc(CC_DST);
|
1123 |
} |
1124 |
#endif
|
1125 |
|
1126 |
typedef struct CCTable { |
1127 |
uint32_t (*compute_all)(void); /* return all the flags */ |
1128 |
uint32_t (*compute_c)(void); /* return the C flag */ |
1129 |
} CCTable; |
1130 |
|
1131 |
static const CCTable icc_table[CC_OP_NB] = { |
1132 |
/* CC_OP_DYNAMIC should never happen */
|
1133 |
[CC_OP_FLAGS] = { compute_all_flags, compute_C_flags }, |
1134 |
[CC_OP_DIV] = { compute_all_div, compute_C_div }, |
1135 |
[CC_OP_ADD] = { compute_all_add, compute_C_add }, |
1136 |
[CC_OP_ADDX] = { compute_all_addx, compute_C_addx }, |
1137 |
[CC_OP_TADD] = { compute_all_tadd, compute_C_tadd }, |
1138 |
[CC_OP_TADDTV] = { compute_all_taddtv, compute_C_taddtv }, |
1139 |
[CC_OP_SUB] = { compute_all_sub, compute_C_sub }, |
1140 |
[CC_OP_SUBX] = { compute_all_subx, compute_C_subx }, |
1141 |
[CC_OP_TSUB] = { compute_all_tsub, compute_C_tsub }, |
1142 |
[CC_OP_TSUBTV] = { compute_all_tsubtv, compute_C_tsubtv }, |
1143 |
[CC_OP_LOGIC] = { compute_all_logic, compute_C_logic }, |
1144 |
}; |
1145 |
|
1146 |
#ifdef TARGET_SPARC64
|
1147 |
static const CCTable xcc_table[CC_OP_NB] = { |
1148 |
/* CC_OP_DYNAMIC should never happen */
|
1149 |
[CC_OP_FLAGS] = { compute_all_flags_xcc, compute_C_flags_xcc }, |
1150 |
[CC_OP_DIV] = { compute_all_logic_xcc, compute_C_logic }, |
1151 |
[CC_OP_ADD] = { compute_all_add_xcc, compute_C_add_xcc }, |
1152 |
[CC_OP_ADDX] = { compute_all_addx_xcc, compute_C_addx_xcc }, |
1153 |
[CC_OP_TADD] = { compute_all_add_xcc, compute_C_add_xcc }, |
1154 |
[CC_OP_TADDTV] = { compute_all_add_xcc, compute_C_add_xcc }, |
1155 |
[CC_OP_SUB] = { compute_all_sub_xcc, compute_C_sub_xcc }, |
1156 |
[CC_OP_SUBX] = { compute_all_subx_xcc, compute_C_subx_xcc }, |
1157 |
[CC_OP_TSUB] = { compute_all_sub_xcc, compute_C_sub_xcc }, |
1158 |
[CC_OP_TSUBTV] = { compute_all_sub_xcc, compute_C_sub_xcc }, |
1159 |
[CC_OP_LOGIC] = { compute_all_logic_xcc, compute_C_logic }, |
1160 |
}; |
1161 |
#endif
|
1162 |
|
1163 |
void helper_compute_psr(void) |
1164 |
{ |
1165 |
uint32_t new_psr; |
1166 |
|
1167 |
new_psr = icc_table[CC_OP].compute_all(); |
1168 |
env->psr = new_psr; |
1169 |
#ifdef TARGET_SPARC64
|
1170 |
new_psr = xcc_table[CC_OP].compute_all(); |
1171 |
env->xcc = new_psr; |
1172 |
#endif
|
1173 |
CC_OP = CC_OP_FLAGS; |
1174 |
} |
1175 |
|
1176 |
uint32_t helper_compute_C_icc(void)
|
1177 |
{ |
1178 |
uint32_t ret; |
1179 |
|
1180 |
ret = icc_table[CC_OP].compute_c() >> PSR_CARRY_SHIFT; |
1181 |
return ret;
|
1182 |
} |
1183 |
|
1184 |
#ifdef TARGET_SPARC64
|
1185 |
GEN_FCMPS(fcmps_fcc1, float32, 22, 0); |
1186 |
GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0); |
1187 |
GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0); |
1188 |
|
1189 |
GEN_FCMPS(fcmps_fcc2, float32, 24, 0); |
1190 |
GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0); |
1191 |
GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0); |
1192 |
|
1193 |
GEN_FCMPS(fcmps_fcc3, float32, 26, 0); |
1194 |
GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0); |
1195 |
GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0); |
1196 |
|
1197 |
GEN_FCMPS(fcmpes_fcc1, float32, 22, 1); |
1198 |
GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1); |
1199 |
GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1); |
1200 |
|
1201 |
GEN_FCMPS(fcmpes_fcc2, float32, 24, 1); |
1202 |
GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1); |
1203 |
GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1); |
1204 |
|
1205 |
GEN_FCMPS(fcmpes_fcc3, float32, 26, 1); |
1206 |
GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1); |
1207 |
GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1); |
1208 |
#endif
|
1209 |
#undef GEN_FCMPS
|
1210 |
|
1211 |
#if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
|
1212 |
defined(DEBUG_MXCC) |
1213 |
static void dump_mxcc(CPUState *env) |
1214 |
{ |
1215 |
printf("mxccdata: %016" PRIx64 " %016" PRIx64 " %016" PRIx64 " %016" PRIx64 |
1216 |
"\n",
|
1217 |
env->mxccdata[0], env->mxccdata[1], |
1218 |
env->mxccdata[2], env->mxccdata[3]); |
1219 |
printf("mxccregs: %016" PRIx64 " %016" PRIx64 " %016" PRIx64 " %016" PRIx64 |
1220 |
"\n"
|
1221 |
" %016" PRIx64 " %016" PRIx64 " %016" PRIx64 " %016" PRIx64 |
1222 |
"\n",
|
1223 |
env->mxccregs[0], env->mxccregs[1], |
1224 |
env->mxccregs[2], env->mxccregs[3], |
1225 |
env->mxccregs[4], env->mxccregs[5], |
1226 |
env->mxccregs[6], env->mxccregs[7]); |
1227 |
} |
1228 |
#endif
|
1229 |
|
1230 |
#if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
|
1231 |
&& defined(DEBUG_ASI) |
1232 |
static void dump_asi(const char *txt, target_ulong addr, int asi, int size, |
1233 |
uint64_t r1) |
1234 |
{ |
1235 |
switch (size)
|
1236 |
{ |
1237 |
case 1: |
1238 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt, |
1239 |
addr, asi, r1 & 0xff);
|
1240 |
break;
|
1241 |
case 2: |
1242 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt, |
1243 |
addr, asi, r1 & 0xffff);
|
1244 |
break;
|
1245 |
case 4: |
1246 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt, |
1247 |
addr, asi, r1 & 0xffffffff);
|
1248 |
break;
|
1249 |
case 8: |
1250 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt, |
1251 |
addr, asi, r1); |
1252 |
break;
|
1253 |
} |
1254 |
} |
1255 |
#endif
|
1256 |
|
1257 |
#ifndef TARGET_SPARC64
|
1258 |
#ifndef CONFIG_USER_ONLY
|
1259 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
1260 |
{ |
1261 |
uint64_t ret = 0;
|
1262 |
#if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
|
1263 |
uint32_t last_addr = addr; |
1264 |
#endif
|
1265 |
|
1266 |
helper_check_align(addr, size - 1);
|
1267 |
switch (asi) {
|
1268 |
case 2: /* SuperSparc MXCC registers */ |
1269 |
switch (addr) {
|
1270 |
case 0x01c00a00: /* MXCC control register */ |
1271 |
if (size == 8) |
1272 |
ret = env->mxccregs[3];
|
1273 |
else
|
1274 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1275 |
size); |
1276 |
break;
|
1277 |
case 0x01c00a04: /* MXCC control register */ |
1278 |
if (size == 4) |
1279 |
ret = env->mxccregs[3];
|
1280 |
else
|
1281 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1282 |
size); |
1283 |
break;
|
1284 |
case 0x01c00c00: /* Module reset register */ |
1285 |
if (size == 8) { |
1286 |
ret = env->mxccregs[5];
|
1287 |
// should we do something here?
|
1288 |
} else
|
1289 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1290 |
size); |
1291 |
break;
|
1292 |
case 0x01c00f00: /* MBus port address register */ |
1293 |
if (size == 8) |
1294 |
ret = env->mxccregs[7];
|
1295 |
else
|
1296 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1297 |
size); |
1298 |
break;
|
1299 |
default:
|
1300 |
DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
|
1301 |
size); |
1302 |
break;
|
1303 |
} |
1304 |
DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
|
1305 |
"addr = %08x -> ret = %" PRIx64 "," |
1306 |
"addr = %08x\n", asi, size, sign, last_addr, ret, addr);
|
1307 |
#ifdef DEBUG_MXCC
|
1308 |
dump_mxcc(env); |
1309 |
#endif
|
1310 |
break;
|
1311 |
case 3: /* MMU probe */ |
1312 |
{ |
1313 |
int mmulev;
|
1314 |
|
1315 |
mmulev = (addr >> 8) & 15; |
1316 |
if (mmulev > 4) |
1317 |
ret = 0;
|
1318 |
else
|
1319 |
ret = mmu_probe(env, addr, mmulev); |
1320 |
DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n", |
1321 |
addr, mmulev, ret); |
1322 |
} |
1323 |
break;
|
1324 |
case 4: /* read MMU regs */ |
1325 |
{ |
1326 |
int reg = (addr >> 8) & 0x1f; |
1327 |
|
1328 |
ret = env->mmuregs[reg]; |
1329 |
if (reg == 3) /* Fault status cleared on read */ |
1330 |
env->mmuregs[3] = 0; |
1331 |
else if (reg == 0x13) /* Fault status read */ |
1332 |
ret = env->mmuregs[3];
|
1333 |
else if (reg == 0x14) /* Fault address read */ |
1334 |
ret = env->mmuregs[4];
|
1335 |
DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret); |
1336 |
} |
1337 |
break;
|
1338 |
case 5: // Turbosparc ITLB Diagnostic |
1339 |
case 6: // Turbosparc DTLB Diagnostic |
1340 |
case 7: // Turbosparc IOTLB Diagnostic |
1341 |
break;
|
1342 |
case 9: /* Supervisor code access */ |
1343 |
switch(size) {
|
1344 |
case 1: |
1345 |
ret = ldub_code(addr); |
1346 |
break;
|
1347 |
case 2: |
1348 |
ret = lduw_code(addr); |
1349 |
break;
|
1350 |
default:
|
1351 |
case 4: |
1352 |
ret = ldl_code(addr); |
1353 |
break;
|
1354 |
case 8: |
1355 |
ret = ldq_code(addr); |
1356 |
break;
|
1357 |
} |
1358 |
break;
|
1359 |
case 0xa: /* User data access */ |
1360 |
switch(size) {
|
1361 |
case 1: |
1362 |
ret = ldub_user(addr); |
1363 |
break;
|
1364 |
case 2: |
1365 |
ret = lduw_user(addr); |
1366 |
break;
|
1367 |
default:
|
1368 |
case 4: |
1369 |
ret = ldl_user(addr); |
1370 |
break;
|
1371 |
case 8: |
1372 |
ret = ldq_user(addr); |
1373 |
break;
|
1374 |
} |
1375 |
break;
|
1376 |
case 0xb: /* Supervisor data access */ |
1377 |
switch(size) {
|
1378 |
case 1: |
1379 |
ret = ldub_kernel(addr); |
1380 |
break;
|
1381 |
case 2: |
1382 |
ret = lduw_kernel(addr); |
1383 |
break;
|
1384 |
default:
|
1385 |
case 4: |
1386 |
ret = ldl_kernel(addr); |
1387 |
break;
|
1388 |
case 8: |
1389 |
ret = ldq_kernel(addr); |
1390 |
break;
|
1391 |
} |
1392 |
break;
|
1393 |
case 0xc: /* I-cache tag */ |
1394 |
case 0xd: /* I-cache data */ |
1395 |
case 0xe: /* D-cache tag */ |
1396 |
case 0xf: /* D-cache data */ |
1397 |
break;
|
1398 |
case 0x20: /* MMU passthrough */ |
1399 |
switch(size) {
|
1400 |
case 1: |
1401 |
ret = ldub_phys(addr); |
1402 |
break;
|
1403 |
case 2: |
1404 |
ret = lduw_phys(addr); |
1405 |
break;
|
1406 |
default:
|
1407 |
case 4: |
1408 |
ret = ldl_phys(addr); |
1409 |
break;
|
1410 |
case 8: |
1411 |
ret = ldq_phys(addr); |
1412 |
break;
|
1413 |
} |
1414 |
break;
|
1415 |
case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */ |
1416 |
switch(size) {
|
1417 |
case 1: |
1418 |
ret = ldub_phys((target_phys_addr_t)addr |
1419 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
1420 |
break;
|
1421 |
case 2: |
1422 |
ret = lduw_phys((target_phys_addr_t)addr |
1423 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
1424 |
break;
|
1425 |
default:
|
1426 |
case 4: |
1427 |
ret = ldl_phys((target_phys_addr_t)addr |
1428 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
1429 |
break;
|
1430 |
case 8: |
1431 |
ret = ldq_phys((target_phys_addr_t)addr |
1432 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
1433 |
break;
|
1434 |
} |
1435 |
break;
|
1436 |
case 0x30: // Turbosparc secondary cache diagnostic |
1437 |
case 0x31: // Turbosparc RAM snoop |
1438 |
case 0x32: // Turbosparc page table descriptor diagnostic |
1439 |
case 0x39: /* data cache diagnostic register */ |
1440 |
ret = 0;
|
1441 |
break;
|
1442 |
case 0x38: /* SuperSPARC MMU Breakpoint Control Registers */ |
1443 |
{ |
1444 |
int reg = (addr >> 8) & 3; |
1445 |
|
1446 |
switch(reg) {
|
1447 |
case 0: /* Breakpoint Value (Addr) */ |
1448 |
ret = env->mmubpregs[reg]; |
1449 |
break;
|
1450 |
case 1: /* Breakpoint Mask */ |
1451 |
ret = env->mmubpregs[reg]; |
1452 |
break;
|
1453 |
case 2: /* Breakpoint Control */ |
1454 |
ret = env->mmubpregs[reg]; |
1455 |
break;
|
1456 |
case 3: /* Breakpoint Status */ |
1457 |
ret = env->mmubpregs[reg]; |
1458 |
env->mmubpregs[reg] = 0ULL;
|
1459 |
break;
|
1460 |
} |
1461 |
DPRINTF_MMU("read breakpoint reg[%d] 0x%016" PRIx64 "\n", reg, |
1462 |
ret); |
1463 |
} |
1464 |
break;
|
1465 |
case 8: /* User code access, XXX */ |
1466 |
default:
|
1467 |
do_unassigned_access(addr, 0, 0, asi, size); |
1468 |
ret = 0;
|
1469 |
break;
|
1470 |
} |
1471 |
if (sign) {
|
1472 |
switch(size) {
|
1473 |
case 1: |
1474 |
ret = (int8_t) ret; |
1475 |
break;
|
1476 |
case 2: |
1477 |
ret = (int16_t) ret; |
1478 |
break;
|
1479 |
case 4: |
1480 |
ret = (int32_t) ret; |
1481 |
break;
|
1482 |
default:
|
1483 |
break;
|
1484 |
} |
1485 |
} |
1486 |
#ifdef DEBUG_ASI
|
1487 |
dump_asi("read ", last_addr, asi, size, ret);
|
1488 |
#endif
|
1489 |
return ret;
|
1490 |
} |
1491 |
|
1492 |
void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size) |
1493 |
{ |
1494 |
helper_check_align(addr, size - 1);
|
1495 |
switch(asi) {
|
1496 |
case 2: /* SuperSparc MXCC registers */ |
1497 |
switch (addr) {
|
1498 |
case 0x01c00000: /* MXCC stream data register 0 */ |
1499 |
if (size == 8) |
1500 |
env->mxccdata[0] = val;
|
1501 |
else
|
1502 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1503 |
size); |
1504 |
break;
|
1505 |
case 0x01c00008: /* MXCC stream data register 1 */ |
1506 |
if (size == 8) |
1507 |
env->mxccdata[1] = val;
|
1508 |
else
|
1509 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1510 |
size); |
1511 |
break;
|
1512 |
case 0x01c00010: /* MXCC stream data register 2 */ |
1513 |
if (size == 8) |
1514 |
env->mxccdata[2] = val;
|
1515 |
else
|
1516 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1517 |
size); |
1518 |
break;
|
1519 |
case 0x01c00018: /* MXCC stream data register 3 */ |
1520 |
if (size == 8) |
1521 |
env->mxccdata[3] = val;
|
1522 |
else
|
1523 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1524 |
size); |
1525 |
break;
|
1526 |
case 0x01c00100: /* MXCC stream source */ |
1527 |
if (size == 8) |
1528 |
env->mxccregs[0] = val;
|
1529 |
else
|
1530 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1531 |
size); |
1532 |
env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
1533 |
0);
|
1534 |
env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
1535 |
8);
|
1536 |
env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
1537 |
16);
|
1538 |
env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
1539 |
24);
|
1540 |
break;
|
1541 |
case 0x01c00200: /* MXCC stream destination */ |
1542 |
if (size == 8) |
1543 |
env->mxccregs[1] = val;
|
1544 |
else
|
1545 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1546 |
size); |
1547 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0, |
1548 |
env->mxccdata[0]);
|
1549 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8, |
1550 |
env->mxccdata[1]);
|
1551 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16, |
1552 |
env->mxccdata[2]);
|
1553 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24, |
1554 |
env->mxccdata[3]);
|
1555 |
break;
|
1556 |
case 0x01c00a00: /* MXCC control register */ |
1557 |
if (size == 8) |
1558 |
env->mxccregs[3] = val;
|
1559 |
else
|
1560 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1561 |
size); |
1562 |
break;
|
1563 |
case 0x01c00a04: /* MXCC control register */ |
1564 |
if (size == 4) |
1565 |
env->mxccregs[3] = (env->mxccregs[3] & 0xffffffff00000000ULL) |
1566 |
| val; |
1567 |
else
|
1568 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1569 |
size); |
1570 |
break;
|
1571 |
case 0x01c00e00: /* MXCC error register */ |
1572 |
// writing a 1 bit clears the error
|
1573 |
if (size == 8) |
1574 |
env->mxccregs[6] &= ~val;
|
1575 |
else
|
1576 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1577 |
size); |
1578 |
break;
|
1579 |
case 0x01c00f00: /* MBus port address register */ |
1580 |
if (size == 8) |
1581 |
env->mxccregs[7] = val;
|
1582 |
else
|
1583 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1584 |
size); |
1585 |
break;
|
1586 |
default:
|
1587 |
DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
|
1588 |
size); |
1589 |
break;
|
1590 |
} |
1591 |
DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %" PRIx64 "\n", |
1592 |
asi, size, addr, val); |
1593 |
#ifdef DEBUG_MXCC
|
1594 |
dump_mxcc(env); |
1595 |
#endif
|
1596 |
break;
|
1597 |
case 3: /* MMU flush */ |
1598 |
{ |
1599 |
int mmulev;
|
1600 |
|
1601 |
mmulev = (addr >> 8) & 15; |
1602 |
DPRINTF_MMU("mmu flush level %d\n", mmulev);
|
1603 |
switch (mmulev) {
|
1604 |
case 0: // flush page |
1605 |
tlb_flush_page(env, addr & 0xfffff000);
|
1606 |
break;
|
1607 |
case 1: // flush segment (256k) |
1608 |
case 2: // flush region (16M) |
1609 |
case 3: // flush context (4G) |
1610 |
case 4: // flush entire |
1611 |
tlb_flush(env, 1);
|
1612 |
break;
|
1613 |
default:
|
1614 |
break;
|
1615 |
} |
1616 |
#ifdef DEBUG_MMU
|
1617 |
dump_mmu(env); |
1618 |
#endif
|
1619 |
} |
1620 |
break;
|
1621 |
case 4: /* write MMU regs */ |
1622 |
{ |
1623 |
int reg = (addr >> 8) & 0x1f; |
1624 |
uint32_t oldreg; |
1625 |
|
1626 |
oldreg = env->mmuregs[reg]; |
1627 |
switch(reg) {
|
1628 |
case 0: // Control Register |
1629 |
env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
|
1630 |
(val & 0x00ffffff);
|
1631 |
// Mappings generated during no-fault mode or MMU
|
1632 |
// disabled mode are invalid in normal mode
|
1633 |
if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) !=
|
1634 |
(env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm))) |
1635 |
tlb_flush(env, 1);
|
1636 |
break;
|
1637 |
case 1: // Context Table Pointer Register |
1638 |
env->mmuregs[reg] = val & env->def->mmu_ctpr_mask; |
1639 |
break;
|
1640 |
case 2: // Context Register |
1641 |
env->mmuregs[reg] = val & env->def->mmu_cxr_mask; |
1642 |
if (oldreg != env->mmuregs[reg]) {
|
1643 |
/* we flush when the MMU context changes because
|
1644 |
QEMU has no MMU context support */
|
1645 |
tlb_flush(env, 1);
|
1646 |
} |
1647 |
break;
|
1648 |
case 3: // Synchronous Fault Status Register with Clear |
1649 |
case 4: // Synchronous Fault Address Register |
1650 |
break;
|
1651 |
case 0x10: // TLB Replacement Control Register |
1652 |
env->mmuregs[reg] = val & env->def->mmu_trcr_mask; |
1653 |
break;
|
1654 |
case 0x13: // Synchronous Fault Status Register with Read and Clear |
1655 |
env->mmuregs[3] = val & env->def->mmu_sfsr_mask;
|
1656 |
break;
|
1657 |
case 0x14: // Synchronous Fault Address Register |
1658 |
env->mmuregs[4] = val;
|
1659 |
break;
|
1660 |
default:
|
1661 |
env->mmuregs[reg] = val; |
1662 |
break;
|
1663 |
} |
1664 |
if (oldreg != env->mmuregs[reg]) {
|
1665 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
|
1666 |
reg, oldreg, env->mmuregs[reg]); |
1667 |
} |
1668 |
#ifdef DEBUG_MMU
|
1669 |
dump_mmu(env); |
1670 |
#endif
|
1671 |
} |
1672 |
break;
|
1673 |
case 5: // Turbosparc ITLB Diagnostic |
1674 |
case 6: // Turbosparc DTLB Diagnostic |
1675 |
case 7: // Turbosparc IOTLB Diagnostic |
1676 |
break;
|
1677 |
case 0xa: /* User data access */ |
1678 |
switch(size) {
|
1679 |
case 1: |
1680 |
stb_user(addr, val); |
1681 |
break;
|
1682 |
case 2: |
1683 |
stw_user(addr, val); |
1684 |
break;
|
1685 |
default:
|
1686 |
case 4: |
1687 |
stl_user(addr, val); |
1688 |
break;
|
1689 |
case 8: |
1690 |
stq_user(addr, val); |
1691 |
break;
|
1692 |
} |
1693 |
break;
|
1694 |
case 0xb: /* Supervisor data access */ |
1695 |
switch(size) {
|
1696 |
case 1: |
1697 |
stb_kernel(addr, val); |
1698 |
break;
|
1699 |
case 2: |
1700 |
stw_kernel(addr, val); |
1701 |
break;
|
1702 |
default:
|
1703 |
case 4: |
1704 |
stl_kernel(addr, val); |
1705 |
break;
|
1706 |
case 8: |
1707 |
stq_kernel(addr, val); |
1708 |
break;
|
1709 |
} |
1710 |
break;
|
1711 |
case 0xc: /* I-cache tag */ |
1712 |
case 0xd: /* I-cache data */ |
1713 |
case 0xe: /* D-cache tag */ |
1714 |
case 0xf: /* D-cache data */ |
1715 |
case 0x10: /* I/D-cache flush page */ |
1716 |
case 0x11: /* I/D-cache flush segment */ |
1717 |
case 0x12: /* I/D-cache flush region */ |
1718 |
case 0x13: /* I/D-cache flush context */ |
1719 |
case 0x14: /* I/D-cache flush user */ |
1720 |
break;
|
1721 |
case 0x17: /* Block copy, sta access */ |
1722 |
{ |
1723 |
// val = src
|
1724 |
// addr = dst
|
1725 |
// copy 32 bytes
|
1726 |
unsigned int i; |
1727 |
uint32_t src = val & ~3, dst = addr & ~3, temp; |
1728 |
|
1729 |
for (i = 0; i < 32; i += 4, src += 4, dst += 4) { |
1730 |
temp = ldl_kernel(src); |
1731 |
stl_kernel(dst, temp); |
1732 |
} |
1733 |
} |
1734 |
break;
|
1735 |
case 0x1f: /* Block fill, stda access */ |
1736 |
{ |
1737 |
// addr = dst
|
1738 |
// fill 32 bytes with val
|
1739 |
unsigned int i; |
1740 |
uint32_t dst = addr & 7;
|
1741 |
|
1742 |
for (i = 0; i < 32; i += 8, dst += 8) |
1743 |
stq_kernel(dst, val); |
1744 |
} |
1745 |
break;
|
1746 |
case 0x20: /* MMU passthrough */ |
1747 |
{ |
1748 |
switch(size) {
|
1749 |
case 1: |
1750 |
stb_phys(addr, val); |
1751 |
break;
|
1752 |
case 2: |
1753 |
stw_phys(addr, val); |
1754 |
break;
|
1755 |
case 4: |
1756 |
default:
|
1757 |
stl_phys(addr, val); |
1758 |
break;
|
1759 |
case 8: |
1760 |
stq_phys(addr, val); |
1761 |
break;
|
1762 |
} |
1763 |
} |
1764 |
break;
|
1765 |
case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */ |
1766 |
{ |
1767 |
switch(size) {
|
1768 |
case 1: |
1769 |
stb_phys((target_phys_addr_t)addr |
1770 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
1771 |
break;
|
1772 |
case 2: |
1773 |
stw_phys((target_phys_addr_t)addr |
1774 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
1775 |
break;
|
1776 |
case 4: |
1777 |
default:
|
1778 |
stl_phys((target_phys_addr_t)addr |
1779 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
1780 |
break;
|
1781 |
case 8: |
1782 |
stq_phys((target_phys_addr_t)addr |
1783 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
1784 |
break;
|
1785 |
} |
1786 |
} |
1787 |
break;
|
1788 |
case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic |
1789 |
case 0x31: // store buffer data, Ross RT620 I-cache flush or |
1790 |
// Turbosparc snoop RAM
|
1791 |
case 0x32: // store buffer control or Turbosparc page table |
1792 |
// descriptor diagnostic
|
1793 |
case 0x36: /* I-cache flash clear */ |
1794 |
case 0x37: /* D-cache flash clear */ |
1795 |
case 0x4c: /* breakpoint action */ |
1796 |
break;
|
1797 |
case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/ |
1798 |
{ |
1799 |
int reg = (addr >> 8) & 3; |
1800 |
|
1801 |
switch(reg) {
|
1802 |
case 0: /* Breakpoint Value (Addr) */ |
1803 |
env->mmubpregs[reg] = (val & 0xfffffffffULL);
|
1804 |
break;
|
1805 |
case 1: /* Breakpoint Mask */ |
1806 |
env->mmubpregs[reg] = (val & 0xfffffffffULL);
|
1807 |
break;
|
1808 |
case 2: /* Breakpoint Control */ |
1809 |
env->mmubpregs[reg] = (val & 0x7fULL);
|
1810 |
break;
|
1811 |
case 3: /* Breakpoint Status */ |
1812 |
env->mmubpregs[reg] = (val & 0xfULL);
|
1813 |
break;
|
1814 |
} |
1815 |
DPRINTF_MMU("write breakpoint reg[%d] 0x%016x\n", reg,
|
1816 |
env->mmuregs[reg]); |
1817 |
} |
1818 |
break;
|
1819 |
case 8: /* User code access, XXX */ |
1820 |
case 9: /* Supervisor code access, XXX */ |
1821 |
default:
|
1822 |
do_unassigned_access(addr, 1, 0, asi, size); |
1823 |
break;
|
1824 |
} |
1825 |
#ifdef DEBUG_ASI
|
1826 |
dump_asi("write", addr, asi, size, val);
|
1827 |
#endif
|
1828 |
} |
1829 |
|
1830 |
#endif /* CONFIG_USER_ONLY */ |
1831 |
#else /* TARGET_SPARC64 */ |
1832 |
|
1833 |
#ifdef CONFIG_USER_ONLY
|
1834 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
1835 |
{ |
1836 |
uint64_t ret = 0;
|
1837 |
#if defined(DEBUG_ASI)
|
1838 |
target_ulong last_addr = addr; |
1839 |
#endif
|
1840 |
|
1841 |
if (asi < 0x80) |
1842 |
raise_exception(TT_PRIV_ACT); |
1843 |
|
1844 |
helper_check_align(addr, size - 1);
|
1845 |
address_mask(env, &addr); |
1846 |
|
1847 |
switch (asi) {
|
1848 |
case 0x82: // Primary no-fault |
1849 |
case 0x8a: // Primary no-fault LE |
1850 |
if (page_check_range(addr, size, PAGE_READ) == -1) { |
1851 |
#ifdef DEBUG_ASI
|
1852 |
dump_asi("read ", last_addr, asi, size, ret);
|
1853 |
#endif
|
1854 |
return 0; |
1855 |
} |
1856 |
// Fall through
|
1857 |
case 0x80: // Primary |
1858 |
case 0x88: // Primary LE |
1859 |
{ |
1860 |
switch(size) {
|
1861 |
case 1: |
1862 |
ret = ldub_raw(addr); |
1863 |
break;
|
1864 |
case 2: |
1865 |
ret = lduw_raw(addr); |
1866 |
break;
|
1867 |
case 4: |
1868 |
ret = ldl_raw(addr); |
1869 |
break;
|
1870 |
default:
|
1871 |
case 8: |
1872 |
ret = ldq_raw(addr); |
1873 |
break;
|
1874 |
} |
1875 |
} |
1876 |
break;
|
1877 |
case 0x83: // Secondary no-fault |
1878 |
case 0x8b: // Secondary no-fault LE |
1879 |
if (page_check_range(addr, size, PAGE_READ) == -1) { |
1880 |
#ifdef DEBUG_ASI
|
1881 |
dump_asi("read ", last_addr, asi, size, ret);
|
1882 |
#endif
|
1883 |
return 0; |
1884 |
} |
1885 |
// Fall through
|
1886 |
case 0x81: // Secondary |
1887 |
case 0x89: // Secondary LE |
1888 |
// XXX
|
1889 |
break;
|
1890 |
default:
|
1891 |
break;
|
1892 |
} |
1893 |
|
1894 |
/* Convert from little endian */
|
1895 |
switch (asi) {
|
1896 |
case 0x88: // Primary LE |
1897 |
case 0x89: // Secondary LE |
1898 |
case 0x8a: // Primary no-fault LE |
1899 |
case 0x8b: // Secondary no-fault LE |
1900 |
switch(size) {
|
1901 |
case 2: |
1902 |
ret = bswap16(ret); |
1903 |
break;
|
1904 |
case 4: |
1905 |
ret = bswap32(ret); |
1906 |
break;
|
1907 |
case 8: |
1908 |
ret = bswap64(ret); |
1909 |
break;
|
1910 |
default:
|
1911 |
break;
|
1912 |
} |
1913 |
default:
|
1914 |
break;
|
1915 |
} |
1916 |
|
1917 |
/* Convert to signed number */
|
1918 |
if (sign) {
|
1919 |
switch(size) {
|
1920 |
case 1: |
1921 |
ret = (int8_t) ret; |
1922 |
break;
|
1923 |
case 2: |
1924 |
ret = (int16_t) ret; |
1925 |
break;
|
1926 |
case 4: |
1927 |
ret = (int32_t) ret; |
1928 |
break;
|
1929 |
default:
|
1930 |
break;
|
1931 |
} |
1932 |
} |
1933 |
#ifdef DEBUG_ASI
|
1934 |
dump_asi("read ", last_addr, asi, size, ret);
|
1935 |
#endif
|
1936 |
return ret;
|
1937 |
} |
1938 |
|
1939 |
void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size) |
1940 |
{ |
1941 |
#ifdef DEBUG_ASI
|
1942 |
dump_asi("write", addr, asi, size, val);
|
1943 |
#endif
|
1944 |
if (asi < 0x80) |
1945 |
raise_exception(TT_PRIV_ACT); |
1946 |
|
1947 |
helper_check_align(addr, size - 1);
|
1948 |
address_mask(env, &addr); |
1949 |
|
1950 |
/* Convert to little endian */
|
1951 |
switch (asi) {
|
1952 |
case 0x88: // Primary LE |
1953 |
case 0x89: // Secondary LE |
1954 |
switch(size) {
|
1955 |
case 2: |
1956 |
val = bswap16(val); |
1957 |
break;
|
1958 |
case 4: |
1959 |
val = bswap32(val); |
1960 |
break;
|
1961 |
case 8: |
1962 |
val = bswap64(val); |
1963 |
break;
|
1964 |
default:
|
1965 |
break;
|
1966 |
} |
1967 |
default:
|
1968 |
break;
|
1969 |
} |
1970 |
|
1971 |
switch(asi) {
|
1972 |
case 0x80: // Primary |
1973 |
case 0x88: // Primary LE |
1974 |
{ |
1975 |
switch(size) {
|
1976 |
case 1: |
1977 |
stb_raw(addr, val); |
1978 |
break;
|
1979 |
case 2: |
1980 |
stw_raw(addr, val); |
1981 |
break;
|
1982 |
case 4: |
1983 |
stl_raw(addr, val); |
1984 |
break;
|
1985 |
case 8: |
1986 |
default:
|
1987 |
stq_raw(addr, val); |
1988 |
break;
|
1989 |
} |
1990 |
} |
1991 |
break;
|
1992 |
case 0x81: // Secondary |
1993 |
case 0x89: // Secondary LE |
1994 |
// XXX
|
1995 |
return;
|
1996 |
|
1997 |
case 0x82: // Primary no-fault, RO |
1998 |
case 0x83: // Secondary no-fault, RO |
1999 |
case 0x8a: // Primary no-fault LE, RO |
2000 |
case 0x8b: // Secondary no-fault LE, RO |
2001 |
default:
|
2002 |
do_unassigned_access(addr, 1, 0, 1, size); |
2003 |
return;
|
2004 |
} |
2005 |
} |
2006 |
|
2007 |
#else /* CONFIG_USER_ONLY */ |
2008 |
|
2009 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
2010 |
{ |
2011 |
uint64_t ret = 0;
|
2012 |
#if defined(DEBUG_ASI)
|
2013 |
target_ulong last_addr = addr; |
2014 |
#endif
|
2015 |
|
2016 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
2017 |
|| ((env->def->features & CPU_FEATURE_HYPV) |
2018 |
&& asi >= 0x30 && asi < 0x80 |
2019 |
&& !(env->hpstate & HS_PRIV))) |
2020 |
raise_exception(TT_PRIV_ACT); |
2021 |
|
2022 |
helper_check_align(addr, size - 1);
|
2023 |
switch (asi) {
|
2024 |
case 0x82: // Primary no-fault |
2025 |
case 0x8a: // Primary no-fault LE |
2026 |
if (cpu_get_phys_page_debug(env, addr) == -1ULL) { |
2027 |
#ifdef DEBUG_ASI
|
2028 |
dump_asi("read ", last_addr, asi, size, ret);
|
2029 |
#endif
|
2030 |
return 0; |
2031 |
} |
2032 |
// Fall through
|
2033 |
case 0x10: // As if user primary |
2034 |
case 0x18: // As if user primary LE |
2035 |
case 0x80: // Primary |
2036 |
case 0x88: // Primary LE |
2037 |
case 0xe2: // UA2007 Primary block init |
2038 |
case 0xe3: // UA2007 Secondary block init |
2039 |
if ((asi & 0x80) && (env->pstate & PS_PRIV)) { |
2040 |
if ((env->def->features & CPU_FEATURE_HYPV)
|
2041 |
&& env->hpstate & HS_PRIV) { |
2042 |
switch(size) {
|
2043 |
case 1: |
2044 |
ret = ldub_hypv(addr); |
2045 |
break;
|
2046 |
case 2: |
2047 |
ret = lduw_hypv(addr); |
2048 |
break;
|
2049 |
case 4: |
2050 |
ret = ldl_hypv(addr); |
2051 |
break;
|
2052 |
default:
|
2053 |
case 8: |
2054 |
ret = ldq_hypv(addr); |
2055 |
break;
|
2056 |
} |
2057 |
} else {
|
2058 |
switch(size) {
|
2059 |
case 1: |
2060 |
ret = ldub_kernel(addr); |
2061 |
break;
|
2062 |
case 2: |
2063 |
ret = lduw_kernel(addr); |
2064 |
break;
|
2065 |
case 4: |
2066 |
ret = ldl_kernel(addr); |
2067 |
break;
|
2068 |
default:
|
2069 |
case 8: |
2070 |
ret = ldq_kernel(addr); |
2071 |
break;
|
2072 |
} |
2073 |
} |
2074 |
} else {
|
2075 |
switch(size) {
|
2076 |
case 1: |
2077 |
ret = ldub_user(addr); |
2078 |
break;
|
2079 |
case 2: |
2080 |
ret = lduw_user(addr); |
2081 |
break;
|
2082 |
case 4: |
2083 |
ret = ldl_user(addr); |
2084 |
break;
|
2085 |
default:
|
2086 |
case 8: |
2087 |
ret = ldq_user(addr); |
2088 |
break;
|
2089 |
} |
2090 |
} |
2091 |
break;
|
2092 |
case 0x14: // Bypass |
2093 |
case 0x15: // Bypass, non-cacheable |
2094 |
case 0x1c: // Bypass LE |
2095 |
case 0x1d: // Bypass, non-cacheable LE |
2096 |
{ |
2097 |
switch(size) {
|
2098 |
case 1: |
2099 |
ret = ldub_phys(addr); |
2100 |
break;
|
2101 |
case 2: |
2102 |
ret = lduw_phys(addr); |
2103 |
break;
|
2104 |
case 4: |
2105 |
ret = ldl_phys(addr); |
2106 |
break;
|
2107 |
default:
|
2108 |
case 8: |
2109 |
ret = ldq_phys(addr); |
2110 |
break;
|
2111 |
} |
2112 |
break;
|
2113 |
} |
2114 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
2115 |
case 0x2c: // Nucleus quad LDD 128 bit atomic LE |
2116 |
// Only ldda allowed
|
2117 |
raise_exception(TT_ILL_INSN); |
2118 |
return 0; |
2119 |
case 0x83: // Secondary no-fault |
2120 |
case 0x8b: // Secondary no-fault LE |
2121 |
if (cpu_get_phys_page_debug(env, addr) == -1ULL) { |
2122 |
#ifdef DEBUG_ASI
|
2123 |
dump_asi("read ", last_addr, asi, size, ret);
|
2124 |
#endif
|
2125 |
return 0; |
2126 |
} |
2127 |
// Fall through
|
2128 |
case 0x04: // Nucleus |
2129 |
case 0x0c: // Nucleus Little Endian (LE) |
2130 |
case 0x11: // As if user secondary |
2131 |
case 0x19: // As if user secondary LE |
2132 |
case 0x4a: // UPA config |
2133 |
case 0x81: // Secondary |
2134 |
case 0x89: // Secondary LE |
2135 |
// XXX
|
2136 |
break;
|
2137 |
case 0x45: // LSU |
2138 |
ret = env->lsu; |
2139 |
break;
|
2140 |
case 0x50: // I-MMU regs |
2141 |
{ |
2142 |
int reg = (addr >> 3) & 0xf; |
2143 |
|
2144 |
if (reg == 0) { |
2145 |
// I-TSB Tag Target register
|
2146 |
ret = ultrasparc_tag_target(env->immuregs[6]);
|
2147 |
} else {
|
2148 |
ret = env->immuregs[reg]; |
2149 |
} |
2150 |
|
2151 |
break;
|
2152 |
} |
2153 |
case 0x51: // I-MMU 8k TSB pointer |
2154 |
{ |
2155 |
// env->immuregs[5] holds I-MMU TSB register value
|
2156 |
// env->immuregs[6] holds I-MMU Tag Access register value
|
2157 |
ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6], |
2158 |
8*1024); |
2159 |
break;
|
2160 |
} |
2161 |
case 0x52: // I-MMU 64k TSB pointer |
2162 |
{ |
2163 |
// env->immuregs[5] holds I-MMU TSB register value
|
2164 |
// env->immuregs[6] holds I-MMU Tag Access register value
|
2165 |
ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6], |
2166 |
64*1024); |
2167 |
break;
|
2168 |
} |
2169 |
case 0x55: // I-MMU data access |
2170 |
{ |
2171 |
int reg = (addr >> 3) & 0x3f; |
2172 |
|
2173 |
ret = env->itlb_tte[reg]; |
2174 |
break;
|
2175 |
} |
2176 |
case 0x56: // I-MMU tag read |
2177 |
{ |
2178 |
int reg = (addr >> 3) & 0x3f; |
2179 |
|
2180 |
ret = env->itlb_tag[reg]; |
2181 |
break;
|
2182 |
} |
2183 |
case 0x58: // D-MMU regs |
2184 |
{ |
2185 |
int reg = (addr >> 3) & 0xf; |
2186 |
|
2187 |
if (reg == 0) { |
2188 |
// D-TSB Tag Target register
|
2189 |
ret = ultrasparc_tag_target(env->dmmuregs[6]);
|
2190 |
} else {
|
2191 |
ret = env->dmmuregs[reg]; |
2192 |
} |
2193 |
break;
|
2194 |
} |
2195 |
case 0x59: // D-MMU 8k TSB pointer |
2196 |
{ |
2197 |
// env->dmmuregs[5] holds D-MMU TSB register value
|
2198 |
// env->dmmuregs[6] holds D-MMU Tag Access register value
|
2199 |
ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6], |
2200 |
8*1024); |
2201 |
break;
|
2202 |
} |
2203 |
case 0x5a: // D-MMU 64k TSB pointer |
2204 |
{ |
2205 |
// env->dmmuregs[5] holds D-MMU TSB register value
|
2206 |
// env->dmmuregs[6] holds D-MMU Tag Access register value
|
2207 |
ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6], |
2208 |
64*1024); |
2209 |
break;
|
2210 |
} |
2211 |
case 0x5d: // D-MMU data access |
2212 |
{ |
2213 |
int reg = (addr >> 3) & 0x3f; |
2214 |
|
2215 |
ret = env->dtlb_tte[reg]; |
2216 |
break;
|
2217 |
} |
2218 |
case 0x5e: // D-MMU tag read |
2219 |
{ |
2220 |
int reg = (addr >> 3) & 0x3f; |
2221 |
|
2222 |
ret = env->dtlb_tag[reg]; |
2223 |
break;
|
2224 |
} |
2225 |
case 0x46: // D-cache data |
2226 |
case 0x47: // D-cache tag access |
2227 |
case 0x4b: // E-cache error enable |
2228 |
case 0x4c: // E-cache asynchronous fault status |
2229 |
case 0x4d: // E-cache asynchronous fault address |
2230 |
case 0x4e: // E-cache tag data |
2231 |
case 0x66: // I-cache instruction access |
2232 |
case 0x67: // I-cache tag access |
2233 |
case 0x6e: // I-cache predecode |
2234 |
case 0x6f: // I-cache LRU etc. |
2235 |
case 0x76: // E-cache tag |
2236 |
case 0x7e: // E-cache tag |
2237 |
break;
|
2238 |
case 0x5b: // D-MMU data pointer |
2239 |
case 0x48: // Interrupt dispatch, RO |
2240 |
case 0x49: // Interrupt data receive |
2241 |
case 0x7f: // Incoming interrupt vector, RO |
2242 |
// XXX
|
2243 |
break;
|
2244 |
case 0x54: // I-MMU data in, WO |
2245 |
case 0x57: // I-MMU demap, WO |
2246 |
case 0x5c: // D-MMU data in, WO |
2247 |
case 0x5f: // D-MMU demap, WO |
2248 |
case 0x77: // Interrupt vector, WO |
2249 |
default:
|
2250 |
do_unassigned_access(addr, 0, 0, 1, size); |
2251 |
ret = 0;
|
2252 |
break;
|
2253 |
} |
2254 |
|
2255 |
/* Convert from little endian */
|
2256 |
switch (asi) {
|
2257 |
case 0x0c: // Nucleus Little Endian (LE) |
2258 |
case 0x18: // As if user primary LE |
2259 |
case 0x19: // As if user secondary LE |
2260 |
case 0x1c: // Bypass LE |
2261 |
case 0x1d: // Bypass, non-cacheable LE |
2262 |
case 0x88: // Primary LE |
2263 |
case 0x89: // Secondary LE |
2264 |
case 0x8a: // Primary no-fault LE |
2265 |
case 0x8b: // Secondary no-fault LE |
2266 |
switch(size) {
|
2267 |
case 2: |
2268 |
ret = bswap16(ret); |
2269 |
break;
|
2270 |
case 4: |
2271 |
ret = bswap32(ret); |
2272 |
break;
|
2273 |
case 8: |
2274 |
ret = bswap64(ret); |
2275 |
break;
|
2276 |
default:
|
2277 |
break;
|
2278 |
} |
2279 |
default:
|
2280 |
break;
|
2281 |
} |
2282 |
|
2283 |
/* Convert to signed number */
|
2284 |
if (sign) {
|
2285 |
switch(size) {
|
2286 |
case 1: |
2287 |
ret = (int8_t) ret; |
2288 |
break;
|
2289 |
case 2: |
2290 |
ret = (int16_t) ret; |
2291 |
break;
|
2292 |
case 4: |
2293 |
ret = (int32_t) ret; |
2294 |
break;
|
2295 |
default:
|
2296 |
break;
|
2297 |
} |
2298 |
} |
2299 |
#ifdef DEBUG_ASI
|
2300 |
dump_asi("read ", last_addr, asi, size, ret);
|
2301 |
#endif
|
2302 |
return ret;
|
2303 |
} |
2304 |
|
2305 |
void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size) |
2306 |
{ |
2307 |
#ifdef DEBUG_ASI
|
2308 |
dump_asi("write", addr, asi, size, val);
|
2309 |
#endif
|
2310 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
2311 |
|| ((env->def->features & CPU_FEATURE_HYPV) |
2312 |
&& asi >= 0x30 && asi < 0x80 |
2313 |
&& !(env->hpstate & HS_PRIV))) |
2314 |
raise_exception(TT_PRIV_ACT); |
2315 |
|
2316 |
helper_check_align(addr, size - 1);
|
2317 |
/* Convert to little endian */
|
2318 |
switch (asi) {
|
2319 |
case 0x0c: // Nucleus Little Endian (LE) |
2320 |
case 0x18: // As if user primary LE |
2321 |
case 0x19: // As if user secondary LE |
2322 |
case 0x1c: // Bypass LE |
2323 |
case 0x1d: // Bypass, non-cacheable LE |
2324 |
case 0x88: // Primary LE |
2325 |
case 0x89: // Secondary LE |
2326 |
switch(size) {
|
2327 |
case 2: |
2328 |
val = bswap16(val); |
2329 |
break;
|
2330 |
case 4: |
2331 |
val = bswap32(val); |
2332 |
break;
|
2333 |
case 8: |
2334 |
val = bswap64(val); |
2335 |
break;
|
2336 |
default:
|
2337 |
break;
|
2338 |
} |
2339 |
default:
|
2340 |
break;
|
2341 |
} |
2342 |
|
2343 |
switch(asi) {
|
2344 |
case 0x10: // As if user primary |
2345 |
case 0x18: // As if user primary LE |
2346 |
case 0x80: // Primary |
2347 |
case 0x88: // Primary LE |
2348 |
case 0xe2: // UA2007 Primary block init |
2349 |
case 0xe3: // UA2007 Secondary block init |
2350 |
if ((asi & 0x80) && (env->pstate & PS_PRIV)) { |
2351 |
if ((env->def->features & CPU_FEATURE_HYPV)
|
2352 |
&& env->hpstate & HS_PRIV) { |
2353 |
switch(size) {
|
2354 |
case 1: |
2355 |
stb_hypv(addr, val); |
2356 |
break;
|
2357 |
case 2: |
2358 |
stw_hypv(addr, val); |
2359 |
break;
|
2360 |
case 4: |
2361 |
stl_hypv(addr, val); |
2362 |
break;
|
2363 |
case 8: |
2364 |
default:
|
2365 |
stq_hypv(addr, val); |
2366 |
break;
|
2367 |
} |
2368 |
} else {
|
2369 |
switch(size) {
|
2370 |
case 1: |
2371 |
stb_kernel(addr, val); |
2372 |
break;
|
2373 |
case 2: |
2374 |
stw_kernel(addr, val); |
2375 |
break;
|
2376 |
case 4: |
2377 |
stl_kernel(addr, val); |
2378 |
break;
|
2379 |
case 8: |
2380 |
default:
|
2381 |
stq_kernel(addr, val); |
2382 |
break;
|
2383 |
} |
2384 |
} |
2385 |
} else {
|
2386 |
switch(size) {
|
2387 |
case 1: |
2388 |
stb_user(addr, val); |
2389 |
break;
|
2390 |
case 2: |
2391 |
stw_user(addr, val); |
2392 |
break;
|
2393 |
case 4: |
2394 |
stl_user(addr, val); |
2395 |
break;
|
2396 |
case 8: |
2397 |
default:
|
2398 |
stq_user(addr, val); |
2399 |
break;
|
2400 |
} |
2401 |
} |
2402 |
break;
|
2403 |
case 0x14: // Bypass |
2404 |
case 0x15: // Bypass, non-cacheable |
2405 |
case 0x1c: // Bypass LE |
2406 |
case 0x1d: // Bypass, non-cacheable LE |
2407 |
{ |
2408 |
switch(size) {
|
2409 |
case 1: |
2410 |
stb_phys(addr, val); |
2411 |
break;
|
2412 |
case 2: |
2413 |
stw_phys(addr, val); |
2414 |
break;
|
2415 |
case 4: |
2416 |
stl_phys(addr, val); |
2417 |
break;
|
2418 |
case 8: |
2419 |
default:
|
2420 |
stq_phys(addr, val); |
2421 |
break;
|
2422 |
} |
2423 |
} |
2424 |
return;
|
2425 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
2426 |
case 0x2c: // Nucleus quad LDD 128 bit atomic LE |
2427 |
// Only ldda allowed
|
2428 |
raise_exception(TT_ILL_INSN); |
2429 |
return;
|
2430 |
case 0x04: // Nucleus |
2431 |
case 0x0c: // Nucleus Little Endian (LE) |
2432 |
case 0x11: // As if user secondary |
2433 |
case 0x19: // As if user secondary LE |
2434 |
case 0x4a: // UPA config |
2435 |
case 0x81: // Secondary |
2436 |
case 0x89: // Secondary LE |
2437 |
// XXX
|
2438 |
return;
|
2439 |
case 0x45: // LSU |
2440 |
{ |
2441 |
uint64_t oldreg; |
2442 |
|
2443 |
oldreg = env->lsu; |
2444 |
env->lsu = val & (DMMU_E | IMMU_E); |
2445 |
// Mappings generated during D/I MMU disabled mode are
|
2446 |
// invalid in normal mode
|
2447 |
if (oldreg != env->lsu) {
|
2448 |
DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n", |
2449 |
oldreg, env->lsu); |
2450 |
#ifdef DEBUG_MMU
|
2451 |
dump_mmu(env); |
2452 |
#endif
|
2453 |
tlb_flush(env, 1);
|
2454 |
} |
2455 |
return;
|
2456 |
} |
2457 |
case 0x50: // I-MMU regs |
2458 |
{ |
2459 |
int reg = (addr >> 3) & 0xf; |
2460 |
uint64_t oldreg; |
2461 |
|
2462 |
oldreg = env->immuregs[reg]; |
2463 |
switch(reg) {
|
2464 |
case 0: // RO |
2465 |
case 4: |
2466 |
return;
|
2467 |
case 1: // Not in I-MMU |
2468 |
case 2: |
2469 |
case 7: |
2470 |
case 8: |
2471 |
return;
|
2472 |
case 3: // SFSR |
2473 |
if ((val & 1) == 0) |
2474 |
val = 0; // Clear SFSR |
2475 |
break;
|
2476 |
case 5: // TSB access |
2477 |
case 6: // Tag access |
2478 |
default:
|
2479 |
break;
|
2480 |
} |
2481 |
env->immuregs[reg] = val; |
2482 |
if (oldreg != env->immuregs[reg]) {
|
2483 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" |
2484 |
PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
|
2485 |
} |
2486 |
#ifdef DEBUG_MMU
|
2487 |
dump_mmu(env); |
2488 |
#endif
|
2489 |
return;
|
2490 |
} |
2491 |
case 0x54: // I-MMU data in |
2492 |
{ |
2493 |
unsigned int i; |
2494 |
|
2495 |
// Try finding an invalid entry
|
2496 |
for (i = 0; i < 64; i++) { |
2497 |
if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) { |
2498 |
env->itlb_tag[i] = env->immuregs[6];
|
2499 |
env->itlb_tte[i] = val; |
2500 |
return;
|
2501 |
} |
2502 |
} |
2503 |
// Try finding an unlocked entry
|
2504 |
for (i = 0; i < 64; i++) { |
2505 |
if ((env->itlb_tte[i] & 0x40) == 0) { |
2506 |
env->itlb_tag[i] = env->immuregs[6];
|
2507 |
env->itlb_tte[i] = val; |
2508 |
return;
|
2509 |
} |
2510 |
} |
2511 |
// error state?
|
2512 |
return;
|
2513 |
} |
2514 |
case 0x55: // I-MMU data access |
2515 |
{ |
2516 |
// TODO: auto demap
|
2517 |
|
2518 |
unsigned int i = (addr >> 3) & 0x3f; |
2519 |
|
2520 |
env->itlb_tag[i] = env->immuregs[6];
|
2521 |
env->itlb_tte[i] = val; |
2522 |
return;
|
2523 |
} |
2524 |
case 0x57: // I-MMU demap |
2525 |
{ |
2526 |
unsigned int i; |
2527 |
|
2528 |
for (i = 0; i < 64; i++) { |
2529 |
if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0) { |
2530 |
target_ulong mask = 0xffffffffffffe000ULL;
|
2531 |
|
2532 |
mask <<= 3 * ((env->itlb_tte[i] >> 61) & 3); |
2533 |
if ((val & mask) == (env->itlb_tag[i] & mask)) {
|
2534 |
env->itlb_tag[i] = 0;
|
2535 |
env->itlb_tte[i] = 0;
|
2536 |
} |
2537 |
return;
|
2538 |
} |
2539 |
} |
2540 |
} |
2541 |
return;
|
2542 |
case 0x58: // D-MMU regs |
2543 |
{ |
2544 |
int reg = (addr >> 3) & 0xf; |
2545 |
uint64_t oldreg; |
2546 |
|
2547 |
oldreg = env->dmmuregs[reg]; |
2548 |
switch(reg) {
|
2549 |
case 0: // RO |
2550 |
case 4: |
2551 |
return;
|
2552 |
case 3: // SFSR |
2553 |
if ((val & 1) == 0) { |
2554 |
val = 0; // Clear SFSR, Fault address |
2555 |
env->dmmuregs[4] = 0; |
2556 |
} |
2557 |
env->dmmuregs[reg] = val; |
2558 |
break;
|
2559 |
case 1: // Primary context |
2560 |
case 2: // Secondary context |
2561 |
case 5: // TSB access |
2562 |
case 6: // Tag access |
2563 |
case 7: // Virtual Watchpoint |
2564 |
case 8: // Physical Watchpoint |
2565 |
default:
|
2566 |
break;
|
2567 |
} |
2568 |
env->dmmuregs[reg] = val; |
2569 |
if (oldreg != env->dmmuregs[reg]) {
|
2570 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" |
2571 |
PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
|
2572 |
} |
2573 |
#ifdef DEBUG_MMU
|
2574 |
dump_mmu(env); |
2575 |
#endif
|
2576 |
return;
|
2577 |
} |
2578 |
case 0x5c: // D-MMU data in |
2579 |
{ |
2580 |
unsigned int i; |
2581 |
|
2582 |
// Try finding an invalid entry
|
2583 |
for (i = 0; i < 64; i++) { |
2584 |
if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) { |
2585 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
2586 |
env->dtlb_tte[i] = val; |
2587 |
return;
|
2588 |
} |
2589 |
} |
2590 |
// Try finding an unlocked entry
|
2591 |
for (i = 0; i < 64; i++) { |
2592 |
if ((env->dtlb_tte[i] & 0x40) == 0) { |
2593 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
2594 |
env->dtlb_tte[i] = val; |
2595 |
return;
|
2596 |
} |
2597 |
} |
2598 |
// error state?
|
2599 |
return;
|
2600 |
} |
2601 |
case 0x5d: // D-MMU data access |
2602 |
{ |
2603 |
unsigned int i = (addr >> 3) & 0x3f; |
2604 |
|
2605 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
2606 |
env->dtlb_tte[i] = val; |
2607 |
return;
|
2608 |
} |
2609 |
case 0x5f: // D-MMU demap |
2610 |
{ |
2611 |
unsigned int i; |
2612 |
|
2613 |
for (i = 0; i < 64; i++) { |
2614 |
if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0) { |
2615 |
target_ulong mask = 0xffffffffffffe000ULL;
|
2616 |
|
2617 |
mask <<= 3 * ((env->dtlb_tte[i] >> 61) & 3); |
2618 |
if ((val & mask) == (env->dtlb_tag[i] & mask)) {
|
2619 |
env->dtlb_tag[i] = 0;
|
2620 |
env->dtlb_tte[i] = 0;
|
2621 |
} |
2622 |
return;
|
2623 |
} |
2624 |
} |
2625 |
} |
2626 |
return;
|
2627 |
case 0x49: // Interrupt data receive |
2628 |
// XXX
|
2629 |
return;
|
2630 |
case 0x46: // D-cache data |
2631 |
case 0x47: // D-cache tag access |
2632 |
case 0x4b: // E-cache error enable |
2633 |
case 0x4c: // E-cache asynchronous fault status |
2634 |
case 0x4d: // E-cache asynchronous fault address |
2635 |
case 0x4e: // E-cache tag data |
2636 |
case 0x66: // I-cache instruction access |
2637 |
case 0x67: // I-cache tag access |
2638 |
case 0x6e: // I-cache predecode |
2639 |
case 0x6f: // I-cache LRU etc. |
2640 |
case 0x76: // E-cache tag |
2641 |
case 0x7e: // E-cache tag |
2642 |
return;
|
2643 |
case 0x51: // I-MMU 8k TSB pointer, RO |
2644 |
case 0x52: // I-MMU 64k TSB pointer, RO |
2645 |
case 0x56: // I-MMU tag read, RO |
2646 |
case 0x59: // D-MMU 8k TSB pointer, RO |
2647 |
case 0x5a: // D-MMU 64k TSB pointer, RO |
2648 |
case 0x5b: // D-MMU data pointer, RO |
2649 |
case 0x5e: // D-MMU tag read, RO |
2650 |
case 0x48: // Interrupt dispatch, RO |
2651 |
case 0x7f: // Incoming interrupt vector, RO |
2652 |
case 0x82: // Primary no-fault, RO |
2653 |
case 0x83: // Secondary no-fault, RO |
2654 |
case 0x8a: // Primary no-fault LE, RO |
2655 |
case 0x8b: // Secondary no-fault LE, RO |
2656 |
default:
|
2657 |
do_unassigned_access(addr, 1, 0, 1, size); |
2658 |
return;
|
2659 |
} |
2660 |
} |
2661 |
#endif /* CONFIG_USER_ONLY */ |
2662 |
|
2663 |
void helper_ldda_asi(target_ulong addr, int asi, int rd) |
2664 |
{ |
2665 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
2666 |
|| ((env->def->features & CPU_FEATURE_HYPV) |
2667 |
&& asi >= 0x30 && asi < 0x80 |
2668 |
&& !(env->hpstate & HS_PRIV))) |
2669 |
raise_exception(TT_PRIV_ACT); |
2670 |
|
2671 |
switch (asi) {
|
2672 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
2673 |
case 0x2c: // Nucleus quad LDD 128 bit atomic LE |
2674 |
helper_check_align(addr, 0xf);
|
2675 |
if (rd == 0) { |
2676 |
env->gregs[1] = ldq_kernel(addr + 8); |
2677 |
if (asi == 0x2c) |
2678 |
bswap64s(&env->gregs[1]);
|
2679 |
} else if (rd < 8) { |
2680 |
env->gregs[rd] = ldq_kernel(addr); |
2681 |
env->gregs[rd + 1] = ldq_kernel(addr + 8); |
2682 |
if (asi == 0x2c) { |
2683 |
bswap64s(&env->gregs[rd]); |
2684 |
bswap64s(&env->gregs[rd + 1]);
|
2685 |
} |
2686 |
} else {
|
2687 |
env->regwptr[rd] = ldq_kernel(addr); |
2688 |
env->regwptr[rd + 1] = ldq_kernel(addr + 8); |
2689 |
if (asi == 0x2c) { |
2690 |
bswap64s(&env->regwptr[rd]); |
2691 |
bswap64s(&env->regwptr[rd + 1]);
|
2692 |
} |
2693 |
} |
2694 |
break;
|
2695 |
default:
|
2696 |
helper_check_align(addr, 0x3);
|
2697 |
if (rd == 0) |
2698 |
env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0); |
2699 |
else if (rd < 8) { |
2700 |
env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0); |
2701 |
env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0); |
2702 |
} else {
|
2703 |
env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0); |
2704 |
env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0); |
2705 |
} |
2706 |
break;
|
2707 |
} |
2708 |
} |
2709 |
|
2710 |
void helper_ldf_asi(target_ulong addr, int asi, int size, int rd) |
2711 |
{ |
2712 |
unsigned int i; |
2713 |
target_ulong val; |
2714 |
|
2715 |
helper_check_align(addr, 3);
|
2716 |
switch (asi) {
|
2717 |
case 0xf0: // Block load primary |
2718 |
case 0xf1: // Block load secondary |
2719 |
case 0xf8: // Block load primary LE |
2720 |
case 0xf9: // Block load secondary LE |
2721 |
if (rd & 7) { |
2722 |
raise_exception(TT_ILL_INSN); |
2723 |
return;
|
2724 |
} |
2725 |
helper_check_align(addr, 0x3f);
|
2726 |
for (i = 0; i < 16; i++) { |
2727 |
*(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4, |
2728 |
0);
|
2729 |
addr += 4;
|
2730 |
} |
2731 |
|
2732 |
return;
|
2733 |
default:
|
2734 |
break;
|
2735 |
} |
2736 |
|
2737 |
val = helper_ld_asi(addr, asi, size, 0);
|
2738 |
switch(size) {
|
2739 |
default:
|
2740 |
case 4: |
2741 |
*((uint32_t *)&env->fpr[rd]) = val; |
2742 |
break;
|
2743 |
case 8: |
2744 |
*((int64_t *)&DT0) = val; |
2745 |
break;
|
2746 |
case 16: |
2747 |
// XXX
|
2748 |
break;
|
2749 |
} |
2750 |
} |
2751 |
|
2752 |
void helper_stf_asi(target_ulong addr, int asi, int size, int rd) |
2753 |
{ |
2754 |
unsigned int i; |
2755 |
target_ulong val = 0;
|
2756 |
|
2757 |
helper_check_align(addr, 3);
|
2758 |
switch (asi) {
|
2759 |
case 0xe0: // UA2007 Block commit store primary (cache flush) |
2760 |
case 0xe1: // UA2007 Block commit store secondary (cache flush) |
2761 |
case 0xf0: // Block store primary |
2762 |
case 0xf1: // Block store secondary |
2763 |
case 0xf8: // Block store primary LE |
2764 |
case 0xf9: // Block store secondary LE |
2765 |
if (rd & 7) { |
2766 |
raise_exception(TT_ILL_INSN); |
2767 |
return;
|
2768 |
} |
2769 |
helper_check_align(addr, 0x3f);
|
2770 |
for (i = 0; i < 16; i++) { |
2771 |
val = *(uint32_t *)&env->fpr[rd++]; |
2772 |
helper_st_asi(addr, val, asi & 0x8f, 4); |
2773 |
addr += 4;
|
2774 |
} |
2775 |
|
2776 |
return;
|
2777 |
default:
|
2778 |
break;
|
2779 |
} |
2780 |
|
2781 |
switch(size) {
|
2782 |
default:
|
2783 |
case 4: |
2784 |
val = *((uint32_t *)&env->fpr[rd]); |
2785 |
break;
|
2786 |
case 8: |
2787 |
val = *((int64_t *)&DT0); |
2788 |
break;
|
2789 |
case 16: |
2790 |
// XXX
|
2791 |
break;
|
2792 |
} |
2793 |
helper_st_asi(addr, val, asi, size); |
2794 |
} |
2795 |
|
2796 |
target_ulong helper_cas_asi(target_ulong addr, target_ulong val1, |
2797 |
target_ulong val2, uint32_t asi) |
2798 |
{ |
2799 |
target_ulong ret; |
2800 |
|
2801 |
val2 &= 0xffffffffUL;
|
2802 |
ret = helper_ld_asi(addr, asi, 4, 0); |
2803 |
ret &= 0xffffffffUL;
|
2804 |
if (val2 == ret)
|
2805 |
helper_st_asi(addr, val1 & 0xffffffffUL, asi, 4); |
2806 |
return ret;
|
2807 |
} |
2808 |
|
2809 |
target_ulong helper_casx_asi(target_ulong addr, target_ulong val1, |
2810 |
target_ulong val2, uint32_t asi) |
2811 |
{ |
2812 |
target_ulong ret; |
2813 |
|
2814 |
ret = helper_ld_asi(addr, asi, 8, 0); |
2815 |
if (val2 == ret)
|
2816 |
helper_st_asi(addr, val1, asi, 8);
|
2817 |
return ret;
|
2818 |
} |
2819 |
#endif /* TARGET_SPARC64 */ |
2820 |
|
2821 |
#ifndef TARGET_SPARC64
|
2822 |
void helper_rett(void) |
2823 |
{ |
2824 |
unsigned int cwp; |
2825 |
|
2826 |
if (env->psret == 1) |
2827 |
raise_exception(TT_ILL_INSN); |
2828 |
|
2829 |
env->psret = 1;
|
2830 |
cwp = cpu_cwp_inc(env, env->cwp + 1) ;
|
2831 |
if (env->wim & (1 << cwp)) { |
2832 |
raise_exception(TT_WIN_UNF); |
2833 |
} |
2834 |
set_cwp(cwp); |
2835 |
env->psrs = env->psrps; |
2836 |
} |
2837 |
#endif
|
2838 |
|
2839 |
target_ulong helper_udiv(target_ulong a, target_ulong b) |
2840 |
{ |
2841 |
uint64_t x0; |
2842 |
uint32_t x1; |
2843 |
|
2844 |
x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32); |
2845 |
x1 = b; |
2846 |
|
2847 |
if (x1 == 0) { |
2848 |
raise_exception(TT_DIV_ZERO); |
2849 |
} |
2850 |
|
2851 |
x0 = x0 / x1; |
2852 |
if (x0 > 0xffffffff) { |
2853 |
env->cc_src2 = 1;
|
2854 |
return 0xffffffff; |
2855 |
} else {
|
2856 |
env->cc_src2 = 0;
|
2857 |
return x0;
|
2858 |
} |
2859 |
} |
2860 |
|
2861 |
target_ulong helper_sdiv(target_ulong a, target_ulong b) |
2862 |
{ |
2863 |
int64_t x0; |
2864 |
int32_t x1; |
2865 |
|
2866 |
x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32); |
2867 |
x1 = b; |
2868 |
|
2869 |
if (x1 == 0) { |
2870 |
raise_exception(TT_DIV_ZERO); |
2871 |
} |
2872 |
|
2873 |
x0 = x0 / x1; |
2874 |
if ((int32_t) x0 != x0) {
|
2875 |
env->cc_src2 = 1;
|
2876 |
return x0 < 0? 0x80000000: 0x7fffffff; |
2877 |
} else {
|
2878 |
env->cc_src2 = 0;
|
2879 |
return x0;
|
2880 |
} |
2881 |
} |
2882 |
|
2883 |
void helper_stdf(target_ulong addr, int mem_idx) |
2884 |
{ |
2885 |
helper_check_align(addr, 7);
|
2886 |
#if !defined(CONFIG_USER_ONLY)
|
2887 |
switch (mem_idx) {
|
2888 |
case 0: |
2889 |
stfq_user(addr, DT0); |
2890 |
break;
|
2891 |
case 1: |
2892 |
stfq_kernel(addr, DT0); |
2893 |
break;
|
2894 |
#ifdef TARGET_SPARC64
|
2895 |
case 2: |
2896 |
stfq_hypv(addr, DT0); |
2897 |
break;
|
2898 |
#endif
|
2899 |
default:
|
2900 |
break;
|
2901 |
} |
2902 |
#else
|
2903 |
address_mask(env, &addr); |
2904 |
stfq_raw(addr, DT0); |
2905 |
#endif
|
2906 |
} |
2907 |
|
2908 |
void helper_lddf(target_ulong addr, int mem_idx) |
2909 |
{ |
2910 |
helper_check_align(addr, 7);
|
2911 |
#if !defined(CONFIG_USER_ONLY)
|
2912 |
switch (mem_idx) {
|
2913 |
case 0: |
2914 |
DT0 = ldfq_user(addr); |
2915 |
break;
|
2916 |
case 1: |
2917 |
DT0 = ldfq_kernel(addr); |
2918 |
break;
|
2919 |
#ifdef TARGET_SPARC64
|
2920 |
case 2: |
2921 |
DT0 = ldfq_hypv(addr); |
2922 |
break;
|
2923 |
#endif
|
2924 |
default:
|
2925 |
break;
|
2926 |
} |
2927 |
#else
|
2928 |
address_mask(env, &addr); |
2929 |
DT0 = ldfq_raw(addr); |
2930 |
#endif
|
2931 |
} |
2932 |
|
2933 |
void helper_ldqf(target_ulong addr, int mem_idx) |
2934 |
{ |
2935 |
// XXX add 128 bit load
|
2936 |
CPU_QuadU u; |
2937 |
|
2938 |
helper_check_align(addr, 7);
|
2939 |
#if !defined(CONFIG_USER_ONLY)
|
2940 |
switch (mem_idx) {
|
2941 |
case 0: |
2942 |
u.ll.upper = ldq_user(addr); |
2943 |
u.ll.lower = ldq_user(addr + 8);
|
2944 |
QT0 = u.q; |
2945 |
break;
|
2946 |
case 1: |
2947 |
u.ll.upper = ldq_kernel(addr); |
2948 |
u.ll.lower = ldq_kernel(addr + 8);
|
2949 |
QT0 = u.q; |
2950 |
break;
|
2951 |
#ifdef TARGET_SPARC64
|
2952 |
case 2: |
2953 |
u.ll.upper = ldq_hypv(addr); |
2954 |
u.ll.lower = ldq_hypv(addr + 8);
|
2955 |
QT0 = u.q; |
2956 |
break;
|
2957 |
#endif
|
2958 |
default:
|
2959 |
break;
|
2960 |
} |
2961 |
#else
|
2962 |
address_mask(env, &addr); |
2963 |
u.ll.upper = ldq_raw(addr); |
2964 |
u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL); |
2965 |
QT0 = u.q; |
2966 |
#endif
|
2967 |
} |
2968 |
|
2969 |
void helper_stqf(target_ulong addr, int mem_idx) |
2970 |
{ |
2971 |
// XXX add 128 bit store
|
2972 |
CPU_QuadU u; |
2973 |
|
2974 |
helper_check_align(addr, 7);
|
2975 |
#if !defined(CONFIG_USER_ONLY)
|
2976 |
switch (mem_idx) {
|
2977 |
case 0: |
2978 |
u.q = QT0; |
2979 |
stq_user(addr, u.ll.upper); |
2980 |
stq_user(addr + 8, u.ll.lower);
|
2981 |
break;
|
2982 |
case 1: |
2983 |
u.q = QT0; |
2984 |
stq_kernel(addr, u.ll.upper); |
2985 |
stq_kernel(addr + 8, u.ll.lower);
|
2986 |
break;
|
2987 |
#ifdef TARGET_SPARC64
|
2988 |
case 2: |
2989 |
u.q = QT0; |
2990 |
stq_hypv(addr, u.ll.upper); |
2991 |
stq_hypv(addr + 8, u.ll.lower);
|
2992 |
break;
|
2993 |
#endif
|
2994 |
default:
|
2995 |
break;
|
2996 |
} |
2997 |
#else
|
2998 |
u.q = QT0; |
2999 |
address_mask(env, &addr); |
3000 |
stq_raw(addr, u.ll.upper); |
3001 |
stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower); |
3002 |
#endif
|
3003 |
} |
3004 |
|
3005 |
static inline void set_fsr(void) |
3006 |
{ |
3007 |
int rnd_mode;
|
3008 |
|
3009 |
switch (env->fsr & FSR_RD_MASK) {
|
3010 |
case FSR_RD_NEAREST:
|
3011 |
rnd_mode = float_round_nearest_even; |
3012 |
break;
|
3013 |
default:
|
3014 |
case FSR_RD_ZERO:
|
3015 |
rnd_mode = float_round_to_zero; |
3016 |
break;
|
3017 |
case FSR_RD_POS:
|
3018 |
rnd_mode = float_round_up; |
3019 |
break;
|
3020 |
case FSR_RD_NEG:
|
3021 |
rnd_mode = float_round_down; |
3022 |
break;
|
3023 |
} |
3024 |
set_float_rounding_mode(rnd_mode, &env->fp_status); |
3025 |
} |
3026 |
|
3027 |
void helper_ldfsr(uint32_t new_fsr)
|
3028 |
{ |
3029 |
env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK); |
3030 |
set_fsr(); |
3031 |
} |
3032 |
|
3033 |
#ifdef TARGET_SPARC64
|
3034 |
void helper_ldxfsr(uint64_t new_fsr)
|
3035 |
{ |
3036 |
env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK); |
3037 |
set_fsr(); |
3038 |
} |
3039 |
#endif
|
3040 |
|
3041 |
void helper_debug(void) |
3042 |
{ |
3043 |
env->exception_index = EXCP_DEBUG; |
3044 |
cpu_loop_exit(); |
3045 |
} |
3046 |
|
3047 |
#ifndef TARGET_SPARC64
|
3048 |
/* XXX: use another pointer for %iN registers to avoid slow wrapping
|
3049 |
handling ? */
|
3050 |
void helper_save(void) |
3051 |
{ |
3052 |
uint32_t cwp; |
3053 |
|
3054 |
cwp = cpu_cwp_dec(env, env->cwp - 1);
|
3055 |
if (env->wim & (1 << cwp)) { |
3056 |
raise_exception(TT_WIN_OVF); |
3057 |
} |
3058 |
set_cwp(cwp); |
3059 |
} |
3060 |
|
3061 |
void helper_restore(void) |
3062 |
{ |
3063 |
uint32_t cwp; |
3064 |
|
3065 |
cwp = cpu_cwp_inc(env, env->cwp + 1);
|
3066 |
if (env->wim & (1 << cwp)) { |
3067 |
raise_exception(TT_WIN_UNF); |
3068 |
} |
3069 |
set_cwp(cwp); |
3070 |
} |
3071 |
|
3072 |
void helper_wrpsr(target_ulong new_psr)
|
3073 |
{ |
3074 |
if ((new_psr & PSR_CWP) >= env->nwindows)
|
3075 |
raise_exception(TT_ILL_INSN); |
3076 |
else
|
3077 |
PUT_PSR(env, new_psr); |
3078 |
} |
3079 |
|
3080 |
target_ulong helper_rdpsr(void)
|
3081 |
{ |
3082 |
return GET_PSR(env);
|
3083 |
} |
3084 |
|
3085 |
#else
|
3086 |
/* XXX: use another pointer for %iN registers to avoid slow wrapping
|
3087 |
handling ? */
|
3088 |
void helper_save(void) |
3089 |
{ |
3090 |
uint32_t cwp; |
3091 |
|
3092 |
cwp = cpu_cwp_dec(env, env->cwp - 1);
|
3093 |
if (env->cansave == 0) { |
3094 |
raise_exception(TT_SPILL | (env->otherwin != 0 ?
|
3095 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
3096 |
((env->wstate & 0x7) << 2))); |
3097 |
} else {
|
3098 |
if (env->cleanwin - env->canrestore == 0) { |
3099 |
// XXX Clean windows without trap
|
3100 |
raise_exception(TT_CLRWIN); |
3101 |
} else {
|
3102 |
env->cansave--; |
3103 |
env->canrestore++; |
3104 |
set_cwp(cwp); |
3105 |
} |
3106 |
} |
3107 |
} |
3108 |
|
3109 |
void helper_restore(void) |
3110 |
{ |
3111 |
uint32_t cwp; |
3112 |
|
3113 |
cwp = cpu_cwp_inc(env, env->cwp + 1);
|
3114 |
if (env->canrestore == 0) { |
3115 |
raise_exception(TT_FILL | (env->otherwin != 0 ?
|
3116 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
3117 |
((env->wstate & 0x7) << 2))); |
3118 |
} else {
|
3119 |
env->cansave++; |
3120 |
env->canrestore--; |
3121 |
set_cwp(cwp); |
3122 |
} |
3123 |
} |
3124 |
|
3125 |
void helper_flushw(void) |
3126 |
{ |
3127 |
if (env->cansave != env->nwindows - 2) { |
3128 |
raise_exception(TT_SPILL | (env->otherwin != 0 ?
|
3129 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
3130 |
((env->wstate & 0x7) << 2))); |
3131 |
} |
3132 |
} |
3133 |
|
3134 |
void helper_saved(void) |
3135 |
{ |
3136 |
env->cansave++; |
3137 |
if (env->otherwin == 0) |
3138 |
env->canrestore--; |
3139 |
else
|
3140 |
env->otherwin--; |
3141 |
} |
3142 |
|
3143 |
void helper_restored(void) |
3144 |
{ |
3145 |
env->canrestore++; |
3146 |
if (env->cleanwin < env->nwindows - 1) |
3147 |
env->cleanwin++; |
3148 |
if (env->otherwin == 0) |
3149 |
env->cansave--; |
3150 |
else
|
3151 |
env->otherwin--; |
3152 |
} |
3153 |
|
3154 |
target_ulong helper_rdccr(void)
|
3155 |
{ |
3156 |
return GET_CCR(env);
|
3157 |
} |
3158 |
|
3159 |
void helper_wrccr(target_ulong new_ccr)
|
3160 |
{ |
3161 |
PUT_CCR(env, new_ccr); |
3162 |
} |
3163 |
|
3164 |
// CWP handling is reversed in V9, but we still use the V8 register
|
3165 |
// order.
|
3166 |
target_ulong helper_rdcwp(void)
|
3167 |
{ |
3168 |
return GET_CWP64(env);
|
3169 |
} |
3170 |
|
3171 |
void helper_wrcwp(target_ulong new_cwp)
|
3172 |
{ |
3173 |
PUT_CWP64(env, new_cwp); |
3174 |
} |
3175 |
|
3176 |
// This function uses non-native bit order
|
3177 |
#define GET_FIELD(X, FROM, TO) \
|
3178 |
((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1)) |
3179 |
|
3180 |
// This function uses the order in the manuals, i.e. bit 0 is 2^0
|
3181 |
#define GET_FIELD_SP(X, FROM, TO) \
|
3182 |
GET_FIELD(X, 63 - (TO), 63 - (FROM)) |
3183 |
|
3184 |
target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize) |
3185 |
{ |
3186 |
return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) | |
3187 |
(GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) | |
3188 |
(GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) | |
3189 |
(GET_FIELD_SP(pixel_addr, 56, 59) << 13) | |
3190 |
(GET_FIELD_SP(pixel_addr, 35, 38) << 9) | |
3191 |
(GET_FIELD_SP(pixel_addr, 13, 16) << 5) | |
3192 |
(((pixel_addr >> 55) & 1) << 4) | |
3193 |
(GET_FIELD_SP(pixel_addr, 33, 34) << 2) | |
3194 |
GET_FIELD_SP(pixel_addr, 11, 12); |
3195 |
} |
3196 |
|
3197 |
target_ulong helper_alignaddr(target_ulong addr, target_ulong offset) |
3198 |
{ |
3199 |
uint64_t tmp; |
3200 |
|
3201 |
tmp = addr + offset; |
3202 |
env->gsr &= ~7ULL;
|
3203 |
env->gsr |= tmp & 7ULL;
|
3204 |
return tmp & ~7ULL; |
3205 |
} |
3206 |
|
3207 |
target_ulong helper_popc(target_ulong val) |
3208 |
{ |
3209 |
return ctpop64(val);
|
3210 |
} |
3211 |
|
3212 |
static inline uint64_t *get_gregset(uint64_t pstate) |
3213 |
{ |
3214 |
switch (pstate) {
|
3215 |
default:
|
3216 |
case 0: |
3217 |
return env->bgregs;
|
3218 |
case PS_AG:
|
3219 |
return env->agregs;
|
3220 |
case PS_MG:
|
3221 |
return env->mgregs;
|
3222 |
case PS_IG:
|
3223 |
return env->igregs;
|
3224 |
} |
3225 |
} |
3226 |
|
3227 |
static inline void change_pstate(uint64_t new_pstate) |
3228 |
{ |
3229 |
uint64_t pstate_regs, new_pstate_regs; |
3230 |
uint64_t *src, *dst; |
3231 |
|
3232 |
if (env->def->features & CPU_FEATURE_GL) {
|
3233 |
// PS_AG is not implemented in this case
|
3234 |
new_pstate &= ~PS_AG; |
3235 |
} |
3236 |
|
3237 |
pstate_regs = env->pstate & 0xc01;
|
3238 |
new_pstate_regs = new_pstate & 0xc01;
|
3239 |
|
3240 |
if (new_pstate_regs != pstate_regs) {
|
3241 |
// Switch global register bank
|
3242 |
src = get_gregset(new_pstate_regs); |
3243 |
dst = get_gregset(pstate_regs); |
3244 |
memcpy32(dst, env->gregs); |
3245 |
memcpy32(env->gregs, src); |
3246 |
} |
3247 |
env->pstate = new_pstate; |
3248 |
} |
3249 |
|
3250 |
void helper_wrpstate(target_ulong new_state)
|
3251 |
{ |
3252 |
change_pstate(new_state & 0xf3f);
|
3253 |
} |
3254 |
|
3255 |
void helper_done(void) |
3256 |
{ |
3257 |
env->pc = env->tsptr->tpc; |
3258 |
env->npc = env->tsptr->tnpc + 4;
|
3259 |
PUT_CCR(env, env->tsptr->tstate >> 32);
|
3260 |
env->asi = (env->tsptr->tstate >> 24) & 0xff; |
3261 |
change_pstate((env->tsptr->tstate >> 8) & 0xf3f); |
3262 |
PUT_CWP64(env, env->tsptr->tstate & 0xff);
|
3263 |
env->tl--; |
3264 |
env->tsptr = &env->ts[env->tl & MAXTL_MASK]; |
3265 |
} |
3266 |
|
3267 |
void helper_retry(void) |
3268 |
{ |
3269 |
env->pc = env->tsptr->tpc; |
3270 |
env->npc = env->tsptr->tnpc; |
3271 |
PUT_CCR(env, env->tsptr->tstate >> 32);
|
3272 |
env->asi = (env->tsptr->tstate >> 24) & 0xff; |
3273 |
change_pstate((env->tsptr->tstate >> 8) & 0xf3f); |
3274 |
PUT_CWP64(env, env->tsptr->tstate & 0xff);
|
3275 |
env->tl--; |
3276 |
env->tsptr = &env->ts[env->tl & MAXTL_MASK]; |
3277 |
} |
3278 |
|
3279 |
void helper_set_softint(uint64_t value)
|
3280 |
{ |
3281 |
env->softint |= (uint32_t)value; |
3282 |
} |
3283 |
|
3284 |
void helper_clear_softint(uint64_t value)
|
3285 |
{ |
3286 |
env->softint &= (uint32_t)~value; |
3287 |
} |
3288 |
|
3289 |
void helper_write_softint(uint64_t value)
|
3290 |
{ |
3291 |
env->softint = (uint32_t)value; |
3292 |
} |
3293 |
#endif
|
3294 |
|
3295 |
void helper_flush(target_ulong addr)
|
3296 |
{ |
3297 |
addr &= ~7;
|
3298 |
tb_invalidate_page_range(addr, addr + 8);
|
3299 |
} |
3300 |
|
3301 |
#ifdef TARGET_SPARC64
|
3302 |
#ifdef DEBUG_PCALL
|
3303 |
static const char * const excp_names[0x80] = { |
3304 |
[TT_TFAULT] = "Instruction Access Fault",
|
3305 |
[TT_TMISS] = "Instruction Access MMU Miss",
|
3306 |
[TT_CODE_ACCESS] = "Instruction Access Error",
|
3307 |
[TT_ILL_INSN] = "Illegal Instruction",
|
3308 |
[TT_PRIV_INSN] = "Privileged Instruction",
|
3309 |
[TT_NFPU_INSN] = "FPU Disabled",
|
3310 |
[TT_FP_EXCP] = "FPU Exception",
|
3311 |
[TT_TOVF] = "Tag Overflow",
|
3312 |
[TT_CLRWIN] = "Clean Windows",
|
3313 |
[TT_DIV_ZERO] = "Division By Zero",
|
3314 |
[TT_DFAULT] = "Data Access Fault",
|
3315 |
[TT_DMISS] = "Data Access MMU Miss",
|
3316 |
[TT_DATA_ACCESS] = "Data Access Error",
|
3317 |
[TT_DPROT] = "Data Protection Error",
|
3318 |
[TT_UNALIGNED] = "Unaligned Memory Access",
|
3319 |
[TT_PRIV_ACT] = "Privileged Action",
|
3320 |
[TT_EXTINT | 0x1] = "External Interrupt 1", |
3321 |
[TT_EXTINT | 0x2] = "External Interrupt 2", |
3322 |
[TT_EXTINT | 0x3] = "External Interrupt 3", |
3323 |
[TT_EXTINT | 0x4] = "External Interrupt 4", |
3324 |
[TT_EXTINT | 0x5] = "External Interrupt 5", |
3325 |
[TT_EXTINT | 0x6] = "External Interrupt 6", |
3326 |
[TT_EXTINT | 0x7] = "External Interrupt 7", |
3327 |
[TT_EXTINT | 0x8] = "External Interrupt 8", |
3328 |
[TT_EXTINT | 0x9] = "External Interrupt 9", |
3329 |
[TT_EXTINT | 0xa] = "External Interrupt 10", |
3330 |
[TT_EXTINT | 0xb] = "External Interrupt 11", |
3331 |
[TT_EXTINT | 0xc] = "External Interrupt 12", |
3332 |
[TT_EXTINT | 0xd] = "External Interrupt 13", |
3333 |
[TT_EXTINT | 0xe] = "External Interrupt 14", |
3334 |
[TT_EXTINT | 0xf] = "External Interrupt 15", |
3335 |
}; |
3336 |
#endif
|
3337 |
|
3338 |
void do_interrupt(CPUState *env)
|
3339 |
{ |
3340 |
int intno = env->exception_index;
|
3341 |
|
3342 |
#ifdef DEBUG_PCALL
|
3343 |
if (qemu_loglevel_mask(CPU_LOG_INT)) {
|
3344 |
static int count; |
3345 |
const char *name; |
3346 |
|
3347 |
if (intno < 0 || intno >= 0x180) |
3348 |
name = "Unknown";
|
3349 |
else if (intno >= 0x100) |
3350 |
name = "Trap Instruction";
|
3351 |
else if (intno >= 0xc0) |
3352 |
name = "Window Fill";
|
3353 |
else if (intno >= 0x80) |
3354 |
name = "Window Spill";
|
3355 |
else {
|
3356 |
name = excp_names[intno]; |
3357 |
if (!name)
|
3358 |
name = "Unknown";
|
3359 |
} |
3360 |
|
3361 |
qemu_log("%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64 |
3362 |
" SP=%016" PRIx64 "\n", |
3363 |
count, name, intno, |
3364 |
env->pc, |
3365 |
env->npc, env->regwptr[6]);
|
3366 |
log_cpu_state(env, 0);
|
3367 |
#if 0
|
3368 |
{
|
3369 |
int i;
|
3370 |
uint8_t *ptr;
|
3371 |
|
3372 |
qemu_log(" code=");
|
3373 |
ptr = (uint8_t *)env->pc;
|
3374 |
for(i = 0; i < 16; i++) {
|
3375 |
qemu_log(" %02x", ldub(ptr + i));
|
3376 |
}
|
3377 |
qemu_log("\n");
|
3378 |
}
|
3379 |
#endif
|
3380 |
count++; |
3381 |
} |
3382 |
#endif
|
3383 |
#if !defined(CONFIG_USER_ONLY)
|
3384 |
if (env->tl >= env->maxtl) {
|
3385 |
cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
|
3386 |
" Error state", env->exception_index, env->tl, env->maxtl);
|
3387 |
return;
|
3388 |
} |
3389 |
#endif
|
3390 |
if (env->tl < env->maxtl - 1) { |
3391 |
env->tl++; |
3392 |
} else {
|
3393 |
env->pstate |= PS_RED; |
3394 |
if (env->tl < env->maxtl)
|
3395 |
env->tl++; |
3396 |
} |
3397 |
env->tsptr = &env->ts[env->tl & MAXTL_MASK]; |
3398 |
env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
|
3399 |
((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) | |
3400 |
GET_CWP64(env); |
3401 |
env->tsptr->tpc = env->pc; |
3402 |
env->tsptr->tnpc = env->npc; |
3403 |
env->tsptr->tt = intno; |
3404 |
|
3405 |
switch (intno) {
|
3406 |
case TT_IVEC:
|
3407 |
change_pstate(PS_PEF | PS_PRIV | PS_IG); |
3408 |
break;
|
3409 |
case TT_TFAULT:
|
3410 |
case TT_TMISS:
|
3411 |
case TT_DFAULT:
|
3412 |
case TT_DMISS:
|
3413 |
case TT_DPROT:
|
3414 |
change_pstate(PS_PEF | PS_PRIV | PS_MG); |
3415 |
break;
|
3416 |
default:
|
3417 |
change_pstate(PS_PEF | PS_PRIV | PS_AG); |
3418 |
break;
|
3419 |
} |
3420 |
|
3421 |
if (intno == TT_CLRWIN)
|
3422 |
cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
|
3423 |
else if ((intno & 0x1c0) == TT_SPILL) |
3424 |
cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
|
3425 |
else if ((intno & 0x1c0) == TT_FILL) |
3426 |
cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
|
3427 |
env->tbr &= ~0x7fffULL;
|
3428 |
env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5); |
3429 |
env->pc = env->tbr; |
3430 |
env->npc = env->pc + 4;
|
3431 |
env->exception_index = 0;
|
3432 |
} |
3433 |
#else
|
3434 |
#ifdef DEBUG_PCALL
|
3435 |
static const char * const excp_names[0x80] = { |
3436 |
[TT_TFAULT] = "Instruction Access Fault",
|
3437 |
[TT_ILL_INSN] = "Illegal Instruction",
|
3438 |
[TT_PRIV_INSN] = "Privileged Instruction",
|
3439 |
[TT_NFPU_INSN] = "FPU Disabled",
|
3440 |
[TT_WIN_OVF] = "Window Overflow",
|
3441 |
[TT_WIN_UNF] = "Window Underflow",
|
3442 |
[TT_UNALIGNED] = "Unaligned Memory Access",
|
3443 |
[TT_FP_EXCP] = "FPU Exception",
|
3444 |
[TT_DFAULT] = "Data Access Fault",
|
3445 |
[TT_TOVF] = "Tag Overflow",
|
3446 |
[TT_EXTINT | 0x1] = "External Interrupt 1", |
3447 |
[TT_EXTINT | 0x2] = "External Interrupt 2", |
3448 |
[TT_EXTINT | 0x3] = "External Interrupt 3", |
3449 |
[TT_EXTINT | 0x4] = "External Interrupt 4", |
3450 |
[TT_EXTINT | 0x5] = "External Interrupt 5", |
3451 |
[TT_EXTINT | 0x6] = "External Interrupt 6", |
3452 |
[TT_EXTINT | 0x7] = "External Interrupt 7", |
3453 |
[TT_EXTINT | 0x8] = "External Interrupt 8", |
3454 |
[TT_EXTINT | 0x9] = "External Interrupt 9", |
3455 |
[TT_EXTINT | 0xa] = "External Interrupt 10", |
3456 |
[TT_EXTINT | 0xb] = "External Interrupt 11", |
3457 |
[TT_EXTINT | 0xc] = "External Interrupt 12", |
3458 |
[TT_EXTINT | 0xd] = "External Interrupt 13", |
3459 |
[TT_EXTINT | 0xe] = "External Interrupt 14", |
3460 |
[TT_EXTINT | 0xf] = "External Interrupt 15", |
3461 |
[TT_TOVF] = "Tag Overflow",
|
3462 |
[TT_CODE_ACCESS] = "Instruction Access Error",
|
3463 |
[TT_DATA_ACCESS] = "Data Access Error",
|
3464 |
[TT_DIV_ZERO] = "Division By Zero",
|
3465 |
[TT_NCP_INSN] = "Coprocessor Disabled",
|
3466 |
}; |
3467 |
#endif
|
3468 |
|
3469 |
void do_interrupt(CPUState *env)
|
3470 |
{ |
3471 |
int cwp, intno = env->exception_index;
|
3472 |
|
3473 |
#ifdef DEBUG_PCALL
|
3474 |
if (qemu_loglevel_mask(CPU_LOG_INT)) {
|
3475 |
static int count; |
3476 |
const char *name; |
3477 |
|
3478 |
if (intno < 0 || intno >= 0x100) |
3479 |
name = "Unknown";
|
3480 |
else if (intno >= 0x80) |
3481 |
name = "Trap Instruction";
|
3482 |
else {
|
3483 |
name = excp_names[intno]; |
3484 |
if (!name)
|
3485 |
name = "Unknown";
|
3486 |
} |
3487 |
|
3488 |
qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
|
3489 |
count, name, intno, |
3490 |
env->pc, |
3491 |
env->npc, env->regwptr[6]);
|
3492 |
log_cpu_state(env, 0);
|
3493 |
#if 0
|
3494 |
{
|
3495 |
int i;
|
3496 |
uint8_t *ptr;
|
3497 |
|
3498 |
qemu_log(" code=");
|
3499 |
ptr = (uint8_t *)env->pc;
|
3500 |
for(i = 0; i < 16; i++) {
|
3501 |
qemu_log(" %02x", ldub(ptr + i));
|
3502 |
}
|
3503 |
qemu_log("\n");
|
3504 |
}
|
3505 |
#endif
|
3506 |
count++; |
3507 |
} |
3508 |
#endif
|
3509 |
#if !defined(CONFIG_USER_ONLY)
|
3510 |
if (env->psret == 0) { |
3511 |
cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
|
3512 |
env->exception_index); |
3513 |
return;
|
3514 |
} |
3515 |
#endif
|
3516 |
env->psret = 0;
|
3517 |
cwp = cpu_cwp_dec(env, env->cwp - 1);
|
3518 |
cpu_set_cwp(env, cwp); |
3519 |
env->regwptr[9] = env->pc;
|
3520 |
env->regwptr[10] = env->npc;
|
3521 |
env->psrps = env->psrs; |
3522 |
env->psrs = 1;
|
3523 |
env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
|
3524 |
env->pc = env->tbr; |
3525 |
env->npc = env->pc + 4;
|
3526 |
env->exception_index = 0;
|
3527 |
} |
3528 |
#endif
|
3529 |
|
3530 |
#if !defined(CONFIG_USER_ONLY)
|
3531 |
|
3532 |
static void do_unaligned_access(target_ulong addr, int is_write, int is_user, |
3533 |
void *retaddr);
|
3534 |
|
3535 |
#define MMUSUFFIX _mmu
|
3536 |
#define ALIGNED_ONLY
|
3537 |
|
3538 |
#define SHIFT 0 |
3539 |
#include "softmmu_template.h" |
3540 |
|
3541 |
#define SHIFT 1 |
3542 |
#include "softmmu_template.h" |
3543 |
|
3544 |
#define SHIFT 2 |
3545 |
#include "softmmu_template.h" |
3546 |
|
3547 |
#define SHIFT 3 |
3548 |
#include "softmmu_template.h" |
3549 |
|
3550 |
/* XXX: make it generic ? */
|
3551 |
static void cpu_restore_state2(void *retaddr) |
3552 |
{ |
3553 |
TranslationBlock *tb; |
3554 |
unsigned long pc; |
3555 |
|
3556 |
if (retaddr) {
|
3557 |
/* now we have a real cpu fault */
|
3558 |
pc = (unsigned long)retaddr; |
3559 |
tb = tb_find_pc(pc); |
3560 |
if (tb) {
|
3561 |
/* the PC is inside the translated code. It means that we have
|
3562 |
a virtual CPU fault */
|
3563 |
cpu_restore_state(tb, env, pc, (void *)(long)env->cond); |
3564 |
} |
3565 |
} |
3566 |
} |
3567 |
|
3568 |
static void do_unaligned_access(target_ulong addr, int is_write, int is_user, |
3569 |
void *retaddr)
|
3570 |
{ |
3571 |
#ifdef DEBUG_UNALIGNED
|
3572 |
printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx |
3573 |
"\n", addr, env->pc);
|
3574 |
#endif
|
3575 |
cpu_restore_state2(retaddr); |
3576 |
raise_exception(TT_UNALIGNED); |
3577 |
} |
3578 |
|
3579 |
/* try to fill the TLB and return an exception if error. If retaddr is
|
3580 |
NULL, it means that the function was called in C code (i.e. not
|
3581 |
from generated code or from helper.c) */
|
3582 |
/* XXX: fix it to restore all registers */
|
3583 |
void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr) |
3584 |
{ |
3585 |
int ret;
|
3586 |
CPUState *saved_env; |
3587 |
|
3588 |
/* XXX: hack to restore env in all cases, even if not called from
|
3589 |
generated code */
|
3590 |
saved_env = env; |
3591 |
env = cpu_single_env; |
3592 |
|
3593 |
ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
|
3594 |
if (ret) {
|
3595 |
cpu_restore_state2(retaddr); |
3596 |
cpu_loop_exit(); |
3597 |
} |
3598 |
env = saved_env; |
3599 |
} |
3600 |
|
3601 |
#endif
|
3602 |
|
3603 |
#ifndef TARGET_SPARC64
|
3604 |
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
3605 |
int is_asi, int size) |
3606 |
{ |
3607 |
CPUState *saved_env; |
3608 |
|
3609 |
/* XXX: hack to restore env in all cases, even if not called from
|
3610 |
generated code */
|
3611 |
saved_env = env; |
3612 |
env = cpu_single_env; |
3613 |
#ifdef DEBUG_UNASSIGNED
|
3614 |
if (is_asi)
|
3615 |
printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
|
3616 |
" asi 0x%02x from " TARGET_FMT_lx "\n", |
3617 |
is_exec ? "exec" : is_write ? "write" : "read", size, |
3618 |
size == 1 ? "" : "s", addr, is_asi, env->pc); |
3619 |
else
|
3620 |
printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
|
3621 |
" from " TARGET_FMT_lx "\n", |
3622 |
is_exec ? "exec" : is_write ? "write" : "read", size, |
3623 |
size == 1 ? "" : "s", addr, env->pc); |
3624 |
#endif
|
3625 |
if (env->mmuregs[3]) /* Fault status register */ |
3626 |
env->mmuregs[3] = 1; /* overflow (not read before another fault) */ |
3627 |
if (is_asi)
|
3628 |
env->mmuregs[3] |= 1 << 16; |
3629 |
if (env->psrs)
|
3630 |
env->mmuregs[3] |= 1 << 5; |
3631 |
if (is_exec)
|
3632 |
env->mmuregs[3] |= 1 << 6; |
3633 |
if (is_write)
|
3634 |
env->mmuregs[3] |= 1 << 7; |
3635 |
env->mmuregs[3] |= (5 << 2) | 2; |
3636 |
env->mmuregs[4] = addr; /* Fault address register */ |
3637 |
if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) { |
3638 |
if (is_exec)
|
3639 |
raise_exception(TT_CODE_ACCESS); |
3640 |
else
|
3641 |
raise_exception(TT_DATA_ACCESS); |
3642 |
} |
3643 |
env = saved_env; |
3644 |
} |
3645 |
#else
|
3646 |
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
3647 |
int is_asi, int size) |
3648 |
{ |
3649 |
#ifdef DEBUG_UNASSIGNED
|
3650 |
CPUState *saved_env; |
3651 |
|
3652 |
/* XXX: hack to restore env in all cases, even if not called from
|
3653 |
generated code */
|
3654 |
saved_env = env; |
3655 |
env = cpu_single_env; |
3656 |
printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx |
3657 |
"\n", addr, env->pc);
|
3658 |
env = saved_env; |
3659 |
#endif
|
3660 |
if (is_exec)
|
3661 |
raise_exception(TT_CODE_ACCESS); |
3662 |
else
|
3663 |
raise_exception(TT_DATA_ACCESS); |
3664 |
} |
3665 |
#endif
|
3666 |
|
3667 |
#ifdef TARGET_SPARC64
|
3668 |
void helper_tick_set_count(void *opaque, uint64_t count) |
3669 |
{ |
3670 |
#if !defined(CONFIG_USER_ONLY)
|
3671 |
cpu_tick_set_count(opaque, count); |
3672 |
#endif
|
3673 |
} |
3674 |
|
3675 |
uint64_t helper_tick_get_count(void *opaque)
|
3676 |
{ |
3677 |
#if !defined(CONFIG_USER_ONLY)
|
3678 |
return cpu_tick_get_count(opaque);
|
3679 |
#else
|
3680 |
return 0; |
3681 |
#endif
|
3682 |
} |
3683 |
|
3684 |
void helper_tick_set_limit(void *opaque, uint64_t limit) |
3685 |
{ |
3686 |
#if !defined(CONFIG_USER_ONLY)
|
3687 |
cpu_tick_set_limit(opaque, limit); |
3688 |
#endif
|
3689 |
} |
3690 |
#endif
|