root / target-sparc / op_helper.c @ 6c78ea32
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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, args...) \
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do { printf("MMU: " fmt , ##args); } while (0) |
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#else
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#define DPRINTF_MMU(fmt, args...) do {} while (0) |
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#endif
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|
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#ifdef DEBUG_MXCC
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#define DPRINTF_MXCC(fmt, args...) \
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do { printf("MXCC: " fmt , ##args); } while (0) |
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#else
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#define DPRINTF_MXCC(fmt, args...) do {} while (0) |
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#endif
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|
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#ifdef DEBUG_ASI
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#define DPRINTF_ASI(fmt, args...) \
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do { printf("ASI: " fmt , ##args); } while (0) |
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#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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if (tsb_size) {
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tsb_base_mask <<= tsb_size; |
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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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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 |
{ |
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vis64 s, d; |
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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);
|
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#undef PMUL
|
382 |
|
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DT0 = d.d; |
384 |
} |
385 |
|
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void helper_fmul8x16au(void) |
387 |
{ |
388 |
vis64 s, d; |
389 |
uint32_t tmp; |
390 |
|
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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);
|
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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: %016llx %016llx %016llx %016llx\n",
|
1216 |
env->mxccdata[0], env->mxccdata[1], |
1217 |
env->mxccdata[2], env->mxccdata[3]); |
1218 |
printf("mxccregs: %016llx %016llx %016llx %016llx\n"
|
1219 |
" %016llx %016llx %016llx %016llx\n",
|
1220 |
env->mxccregs[0], env->mxccregs[1], |
1221 |
env->mxccregs[2], env->mxccregs[3], |
1222 |
env->mxccregs[4], env->mxccregs[5], |
1223 |
env->mxccregs[6], env->mxccregs[7]); |
1224 |
} |
1225 |
#endif
|
1226 |
|
1227 |
#if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
|
1228 |
&& defined(DEBUG_ASI) |
1229 |
static void dump_asi(const char *txt, target_ulong addr, int asi, int size, |
1230 |
uint64_t r1) |
1231 |
{ |
1232 |
switch (size)
|
1233 |
{ |
1234 |
case 1: |
1235 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt, |
1236 |
addr, asi, r1 & 0xff);
|
1237 |
break;
|
1238 |
case 2: |
1239 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt, |
1240 |
addr, asi, r1 & 0xffff);
|
1241 |
break;
|
1242 |
case 4: |
1243 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt, |
1244 |
addr, asi, r1 & 0xffffffff);
|
1245 |
break;
|
1246 |
case 8: |
1247 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt, |
1248 |
addr, asi, r1); |
1249 |
break;
|
1250 |
} |
1251 |
} |
1252 |
#endif
|
1253 |
|
1254 |
#ifndef TARGET_SPARC64
|
1255 |
#ifndef CONFIG_USER_ONLY
|
1256 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
1257 |
{ |
1258 |
uint64_t ret = 0;
|
1259 |
#if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
|
1260 |
uint32_t last_addr = addr; |
1261 |
#endif
|
1262 |
|
1263 |
helper_check_align(addr, size - 1);
|
1264 |
switch (asi) {
|
1265 |
case 2: /* SuperSparc MXCC registers */ |
1266 |
switch (addr) {
|
1267 |
case 0x01c00a00: /* MXCC control register */ |
1268 |
if (size == 8) |
1269 |
ret = env->mxccregs[3];
|
1270 |
else
|
1271 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1272 |
size); |
1273 |
break;
|
1274 |
case 0x01c00a04: /* MXCC control register */ |
1275 |
if (size == 4) |
1276 |
ret = env->mxccregs[3];
|
1277 |
else
|
1278 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1279 |
size); |
1280 |
break;
|
1281 |
case 0x01c00c00: /* Module reset register */ |
1282 |
if (size == 8) { |
1283 |
ret = env->mxccregs[5];
|
1284 |
// should we do something here?
|
1285 |
} else
|
1286 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1287 |
size); |
1288 |
break;
|
1289 |
case 0x01c00f00: /* MBus port address register */ |
1290 |
if (size == 8) |
1291 |
ret = env->mxccregs[7];
|
1292 |
else
|
1293 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1294 |
size); |
1295 |
break;
|
1296 |
default:
|
1297 |
DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
|
1298 |
size); |
1299 |
break;
|
1300 |
} |
1301 |
DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
|
1302 |
"addr = %08x -> ret = %" PRIx64 "," |
1303 |
"addr = %08x\n", asi, size, sign, last_addr, ret, addr);
|
1304 |
#ifdef DEBUG_MXCC
|
1305 |
dump_mxcc(env); |
1306 |
#endif
|
1307 |
break;
|
1308 |
case 3: /* MMU probe */ |
1309 |
{ |
1310 |
int mmulev;
|
1311 |
|
1312 |
mmulev = (addr >> 8) & 15; |
1313 |
if (mmulev > 4) |
1314 |
ret = 0;
|
1315 |
else
|
1316 |
ret = mmu_probe(env, addr, mmulev); |
1317 |
DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n", |
1318 |
addr, mmulev, ret); |
1319 |
} |
1320 |
break;
|
1321 |
case 4: /* read MMU regs */ |
1322 |
{ |
1323 |
int reg = (addr >> 8) & 0x1f; |
1324 |
|
1325 |
ret = env->mmuregs[reg]; |
1326 |
if (reg == 3) /* Fault status cleared on read */ |
1327 |
env->mmuregs[3] = 0; |
1328 |
else if (reg == 0x13) /* Fault status read */ |
1329 |
ret = env->mmuregs[3];
|
1330 |
else if (reg == 0x14) /* Fault address read */ |
1331 |
ret = env->mmuregs[4];
|
1332 |
DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret); |
1333 |
} |
1334 |
break;
|
1335 |
case 5: // Turbosparc ITLB Diagnostic |
1336 |
case 6: // Turbosparc DTLB Diagnostic |
1337 |
case 7: // Turbosparc IOTLB Diagnostic |
1338 |
break;
|
1339 |
case 9: /* Supervisor code access */ |
1340 |
switch(size) {
|
1341 |
case 1: |
1342 |
ret = ldub_code(addr); |
1343 |
break;
|
1344 |
case 2: |
1345 |
ret = lduw_code(addr); |
1346 |
break;
|
1347 |
default:
|
1348 |
case 4: |
1349 |
ret = ldl_code(addr); |
1350 |
break;
|
1351 |
case 8: |
1352 |
ret = ldq_code(addr); |
1353 |
break;
|
1354 |
} |
1355 |
break;
|
1356 |
case 0xa: /* User data access */ |
1357 |
switch(size) {
|
1358 |
case 1: |
1359 |
ret = ldub_user(addr); |
1360 |
break;
|
1361 |
case 2: |
1362 |
ret = lduw_user(addr); |
1363 |
break;
|
1364 |
default:
|
1365 |
case 4: |
1366 |
ret = ldl_user(addr); |
1367 |
break;
|
1368 |
case 8: |
1369 |
ret = ldq_user(addr); |
1370 |
break;
|
1371 |
} |
1372 |
break;
|
1373 |
case 0xb: /* Supervisor data access */ |
1374 |
switch(size) {
|
1375 |
case 1: |
1376 |
ret = ldub_kernel(addr); |
1377 |
break;
|
1378 |
case 2: |
1379 |
ret = lduw_kernel(addr); |
1380 |
break;
|
1381 |
default:
|
1382 |
case 4: |
1383 |
ret = ldl_kernel(addr); |
1384 |
break;
|
1385 |
case 8: |
1386 |
ret = ldq_kernel(addr); |
1387 |
break;
|
1388 |
} |
1389 |
break;
|
1390 |
case 0xc: /* I-cache tag */ |
1391 |
case 0xd: /* I-cache data */ |
1392 |
case 0xe: /* D-cache tag */ |
1393 |
case 0xf: /* D-cache data */ |
1394 |
break;
|
1395 |
case 0x20: /* MMU passthrough */ |
1396 |
switch(size) {
|
1397 |
case 1: |
1398 |
ret = ldub_phys(addr); |
1399 |
break;
|
1400 |
case 2: |
1401 |
ret = lduw_phys(addr); |
1402 |
break;
|
1403 |
default:
|
1404 |
case 4: |
1405 |
ret = ldl_phys(addr); |
1406 |
break;
|
1407 |
case 8: |
1408 |
ret = ldq_phys(addr); |
1409 |
break;
|
1410 |
} |
1411 |
break;
|
1412 |
case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */ |
1413 |
switch(size) {
|
1414 |
case 1: |
1415 |
ret = ldub_phys((target_phys_addr_t)addr |
1416 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
1417 |
break;
|
1418 |
case 2: |
1419 |
ret = lduw_phys((target_phys_addr_t)addr |
1420 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
1421 |
break;
|
1422 |
default:
|
1423 |
case 4: |
1424 |
ret = ldl_phys((target_phys_addr_t)addr |
1425 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
1426 |
break;
|
1427 |
case 8: |
1428 |
ret = ldq_phys((target_phys_addr_t)addr |
1429 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
1430 |
break;
|
1431 |
} |
1432 |
break;
|
1433 |
case 0x30: // Turbosparc secondary cache diagnostic |
1434 |
case 0x31: // Turbosparc RAM snoop |
1435 |
case 0x32: // Turbosparc page table descriptor diagnostic |
1436 |
case 0x39: /* data cache diagnostic register */ |
1437 |
ret = 0;
|
1438 |
break;
|
1439 |
case 0x38: /* SuperSPARC MMU Breakpoint Control Registers */ |
1440 |
{ |
1441 |
int reg = (addr >> 8) & 3; |
1442 |
|
1443 |
switch(reg) {
|
1444 |
case 0: /* Breakpoint Value (Addr) */ |
1445 |
ret = env->mmubpregs[reg]; |
1446 |
break;
|
1447 |
case 1: /* Breakpoint Mask */ |
1448 |
ret = env->mmubpregs[reg]; |
1449 |
break;
|
1450 |
case 2: /* Breakpoint Control */ |
1451 |
ret = env->mmubpregs[reg]; |
1452 |
break;
|
1453 |
case 3: /* Breakpoint Status */ |
1454 |
ret = env->mmubpregs[reg]; |
1455 |
env->mmubpregs[reg] = 0ULL;
|
1456 |
break;
|
1457 |
} |
1458 |
DPRINTF_MMU("read breakpoint reg[%d] 0x%016llx\n", reg, ret);
|
1459 |
} |
1460 |
break;
|
1461 |
case 8: /* User code access, XXX */ |
1462 |
default:
|
1463 |
do_unassigned_access(addr, 0, 0, asi, size); |
1464 |
ret = 0;
|
1465 |
break;
|
1466 |
} |
1467 |
if (sign) {
|
1468 |
switch(size) {
|
1469 |
case 1: |
1470 |
ret = (int8_t) ret; |
1471 |
break;
|
1472 |
case 2: |
1473 |
ret = (int16_t) ret; |
1474 |
break;
|
1475 |
case 4: |
1476 |
ret = (int32_t) ret; |
1477 |
break;
|
1478 |
default:
|
1479 |
break;
|
1480 |
} |
1481 |
} |
1482 |
#ifdef DEBUG_ASI
|
1483 |
dump_asi("read ", last_addr, asi, size, ret);
|
1484 |
#endif
|
1485 |
return ret;
|
1486 |
} |
1487 |
|
1488 |
void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size) |
1489 |
{ |
1490 |
helper_check_align(addr, size - 1);
|
1491 |
switch(asi) {
|
1492 |
case 2: /* SuperSparc MXCC registers */ |
1493 |
switch (addr) {
|
1494 |
case 0x01c00000: /* MXCC stream data register 0 */ |
1495 |
if (size == 8) |
1496 |
env->mxccdata[0] = val;
|
1497 |
else
|
1498 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1499 |
size); |
1500 |
break;
|
1501 |
case 0x01c00008: /* MXCC stream data register 1 */ |
1502 |
if (size == 8) |
1503 |
env->mxccdata[1] = val;
|
1504 |
else
|
1505 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1506 |
size); |
1507 |
break;
|
1508 |
case 0x01c00010: /* MXCC stream data register 2 */ |
1509 |
if (size == 8) |
1510 |
env->mxccdata[2] = val;
|
1511 |
else
|
1512 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1513 |
size); |
1514 |
break;
|
1515 |
case 0x01c00018: /* MXCC stream data register 3 */ |
1516 |
if (size == 8) |
1517 |
env->mxccdata[3] = val;
|
1518 |
else
|
1519 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1520 |
size); |
1521 |
break;
|
1522 |
case 0x01c00100: /* MXCC stream source */ |
1523 |
if (size == 8) |
1524 |
env->mxccregs[0] = val;
|
1525 |
else
|
1526 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1527 |
size); |
1528 |
env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
1529 |
0);
|
1530 |
env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
1531 |
8);
|
1532 |
env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
1533 |
16);
|
1534 |
env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
1535 |
24);
|
1536 |
break;
|
1537 |
case 0x01c00200: /* MXCC stream destination */ |
1538 |
if (size == 8) |
1539 |
env->mxccregs[1] = val;
|
1540 |
else
|
1541 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1542 |
size); |
1543 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0, |
1544 |
env->mxccdata[0]);
|
1545 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8, |
1546 |
env->mxccdata[1]);
|
1547 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16, |
1548 |
env->mxccdata[2]);
|
1549 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24, |
1550 |
env->mxccdata[3]);
|
1551 |
break;
|
1552 |
case 0x01c00a00: /* MXCC control register */ |
1553 |
if (size == 8) |
1554 |
env->mxccregs[3] = val;
|
1555 |
else
|
1556 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1557 |
size); |
1558 |
break;
|
1559 |
case 0x01c00a04: /* MXCC control register */ |
1560 |
if (size == 4) |
1561 |
env->mxccregs[3] = (env->mxccregs[3] & 0xffffffff00000000ULL) |
1562 |
| val; |
1563 |
else
|
1564 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1565 |
size); |
1566 |
break;
|
1567 |
case 0x01c00e00: /* MXCC error register */ |
1568 |
// writing a 1 bit clears the error
|
1569 |
if (size == 8) |
1570 |
env->mxccregs[6] &= ~val;
|
1571 |
else
|
1572 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1573 |
size); |
1574 |
break;
|
1575 |
case 0x01c00f00: /* MBus port address register */ |
1576 |
if (size == 8) |
1577 |
env->mxccregs[7] = val;
|
1578 |
else
|
1579 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
1580 |
size); |
1581 |
break;
|
1582 |
default:
|
1583 |
DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
|
1584 |
size); |
1585 |
break;
|
1586 |
} |
1587 |
DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %" PRIx64 "\n", |
1588 |
asi, size, addr, val); |
1589 |
#ifdef DEBUG_MXCC
|
1590 |
dump_mxcc(env); |
1591 |
#endif
|
1592 |
break;
|
1593 |
case 3: /* MMU flush */ |
1594 |
{ |
1595 |
int mmulev;
|
1596 |
|
1597 |
mmulev = (addr >> 8) & 15; |
1598 |
DPRINTF_MMU("mmu flush level %d\n", mmulev);
|
1599 |
switch (mmulev) {
|
1600 |
case 0: // flush page |
1601 |
tlb_flush_page(env, addr & 0xfffff000);
|
1602 |
break;
|
1603 |
case 1: // flush segment (256k) |
1604 |
case 2: // flush region (16M) |
1605 |
case 3: // flush context (4G) |
1606 |
case 4: // flush entire |
1607 |
tlb_flush(env, 1);
|
1608 |
break;
|
1609 |
default:
|
1610 |
break;
|
1611 |
} |
1612 |
#ifdef DEBUG_MMU
|
1613 |
dump_mmu(env); |
1614 |
#endif
|
1615 |
} |
1616 |
break;
|
1617 |
case 4: /* write MMU regs */ |
1618 |
{ |
1619 |
int reg = (addr >> 8) & 0x1f; |
1620 |
uint32_t oldreg; |
1621 |
|
1622 |
oldreg = env->mmuregs[reg]; |
1623 |
switch(reg) {
|
1624 |
case 0: // Control Register |
1625 |
env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
|
1626 |
(val & 0x00ffffff);
|
1627 |
// Mappings generated during no-fault mode or MMU
|
1628 |
// disabled mode are invalid in normal mode
|
1629 |
if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) !=
|
1630 |
(env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm))) |
1631 |
tlb_flush(env, 1);
|
1632 |
break;
|
1633 |
case 1: // Context Table Pointer Register |
1634 |
env->mmuregs[reg] = val & env->def->mmu_ctpr_mask; |
1635 |
break;
|
1636 |
case 2: // Context Register |
1637 |
env->mmuregs[reg] = val & env->def->mmu_cxr_mask; |
1638 |
if (oldreg != env->mmuregs[reg]) {
|
1639 |
/* we flush when the MMU context changes because
|
1640 |
QEMU has no MMU context support */
|
1641 |
tlb_flush(env, 1);
|
1642 |
} |
1643 |
break;
|
1644 |
case 3: // Synchronous Fault Status Register with Clear |
1645 |
case 4: // Synchronous Fault Address Register |
1646 |
break;
|
1647 |
case 0x10: // TLB Replacement Control Register |
1648 |
env->mmuregs[reg] = val & env->def->mmu_trcr_mask; |
1649 |
break;
|
1650 |
case 0x13: // Synchronous Fault Status Register with Read and Clear |
1651 |
env->mmuregs[3] = val & env->def->mmu_sfsr_mask;
|
1652 |
break;
|
1653 |
case 0x14: // Synchronous Fault Address Register |
1654 |
env->mmuregs[4] = val;
|
1655 |
break;
|
1656 |
default:
|
1657 |
env->mmuregs[reg] = val; |
1658 |
break;
|
1659 |
} |
1660 |
if (oldreg != env->mmuregs[reg]) {
|
1661 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
|
1662 |
reg, oldreg, env->mmuregs[reg]); |
1663 |
} |
1664 |
#ifdef DEBUG_MMU
|
1665 |
dump_mmu(env); |
1666 |
#endif
|
1667 |
} |
1668 |
break;
|
1669 |
case 5: // Turbosparc ITLB Diagnostic |
1670 |
case 6: // Turbosparc DTLB Diagnostic |
1671 |
case 7: // Turbosparc IOTLB Diagnostic |
1672 |
break;
|
1673 |
case 0xa: /* User data access */ |
1674 |
switch(size) {
|
1675 |
case 1: |
1676 |
stb_user(addr, val); |
1677 |
break;
|
1678 |
case 2: |
1679 |
stw_user(addr, val); |
1680 |
break;
|
1681 |
default:
|
1682 |
case 4: |
1683 |
stl_user(addr, val); |
1684 |
break;
|
1685 |
case 8: |
1686 |
stq_user(addr, val); |
1687 |
break;
|
1688 |
} |
1689 |
break;
|
1690 |
case 0xb: /* Supervisor data access */ |
1691 |
switch(size) {
|
1692 |
case 1: |
1693 |
stb_kernel(addr, val); |
1694 |
break;
|
1695 |
case 2: |
1696 |
stw_kernel(addr, val); |
1697 |
break;
|
1698 |
default:
|
1699 |
case 4: |
1700 |
stl_kernel(addr, val); |
1701 |
break;
|
1702 |
case 8: |
1703 |
stq_kernel(addr, val); |
1704 |
break;
|
1705 |
} |
1706 |
break;
|
1707 |
case 0xc: /* I-cache tag */ |
1708 |
case 0xd: /* I-cache data */ |
1709 |
case 0xe: /* D-cache tag */ |
1710 |
case 0xf: /* D-cache data */ |
1711 |
case 0x10: /* I/D-cache flush page */ |
1712 |
case 0x11: /* I/D-cache flush segment */ |
1713 |
case 0x12: /* I/D-cache flush region */ |
1714 |
case 0x13: /* I/D-cache flush context */ |
1715 |
case 0x14: /* I/D-cache flush user */ |
1716 |
break;
|
1717 |
case 0x17: /* Block copy, sta access */ |
1718 |
{ |
1719 |
// val = src
|
1720 |
// addr = dst
|
1721 |
// copy 32 bytes
|
1722 |
unsigned int i; |
1723 |
uint32_t src = val & ~3, dst = addr & ~3, temp; |
1724 |
|
1725 |
for (i = 0; i < 32; i += 4, src += 4, dst += 4) { |
1726 |
temp = ldl_kernel(src); |
1727 |
stl_kernel(dst, temp); |
1728 |
} |
1729 |
} |
1730 |
break;
|
1731 |
case 0x1f: /* Block fill, stda access */ |
1732 |
{ |
1733 |
// addr = dst
|
1734 |
// fill 32 bytes with val
|
1735 |
unsigned int i; |
1736 |
uint32_t dst = addr & 7;
|
1737 |
|
1738 |
for (i = 0; i < 32; i += 8, dst += 8) |
1739 |
stq_kernel(dst, val); |
1740 |
} |
1741 |
break;
|
1742 |
case 0x20: /* MMU passthrough */ |
1743 |
{ |
1744 |
switch(size) {
|
1745 |
case 1: |
1746 |
stb_phys(addr, val); |
1747 |
break;
|
1748 |
case 2: |
1749 |
stw_phys(addr, val); |
1750 |
break;
|
1751 |
case 4: |
1752 |
default:
|
1753 |
stl_phys(addr, val); |
1754 |
break;
|
1755 |
case 8: |
1756 |
stq_phys(addr, val); |
1757 |
break;
|
1758 |
} |
1759 |
} |
1760 |
break;
|
1761 |
case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */ |
1762 |
{ |
1763 |
switch(size) {
|
1764 |
case 1: |
1765 |
stb_phys((target_phys_addr_t)addr |
1766 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
1767 |
break;
|
1768 |
case 2: |
1769 |
stw_phys((target_phys_addr_t)addr |
1770 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
1771 |
break;
|
1772 |
case 4: |
1773 |
default:
|
1774 |
stl_phys((target_phys_addr_t)addr |
1775 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
1776 |
break;
|
1777 |
case 8: |
1778 |
stq_phys((target_phys_addr_t)addr |
1779 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
1780 |
break;
|
1781 |
} |
1782 |
} |
1783 |
break;
|
1784 |
case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic |
1785 |
case 0x31: // store buffer data, Ross RT620 I-cache flush or |
1786 |
// Turbosparc snoop RAM
|
1787 |
case 0x32: // store buffer control or Turbosparc page table |
1788 |
// descriptor diagnostic
|
1789 |
case 0x36: /* I-cache flash clear */ |
1790 |
case 0x37: /* D-cache flash clear */ |
1791 |
case 0x4c: /* breakpoint action */ |
1792 |
break;
|
1793 |
case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/ |
1794 |
{ |
1795 |
int reg = (addr >> 8) & 3; |
1796 |
|
1797 |
switch(reg) {
|
1798 |
case 0: /* Breakpoint Value (Addr) */ |
1799 |
env->mmubpregs[reg] = (val & 0xfffffffffULL);
|
1800 |
break;
|
1801 |
case 1: /* Breakpoint Mask */ |
1802 |
env->mmubpregs[reg] = (val & 0xfffffffffULL);
|
1803 |
break;
|
1804 |
case 2: /* Breakpoint Control */ |
1805 |
env->mmubpregs[reg] = (val & 0x7fULL);
|
1806 |
break;
|
1807 |
case 3: /* Breakpoint Status */ |
1808 |
env->mmubpregs[reg] = (val & 0xfULL);
|
1809 |
break;
|
1810 |
} |
1811 |
DPRINTF_MMU("write breakpoint reg[%d] 0x%016llx\n", reg,
|
1812 |
env->mmuregs[reg]); |
1813 |
} |
1814 |
break;
|
1815 |
case 8: /* User code access, XXX */ |
1816 |
case 9: /* Supervisor code access, XXX */ |
1817 |
default:
|
1818 |
do_unassigned_access(addr, 1, 0, asi, size); |
1819 |
break;
|
1820 |
} |
1821 |
#ifdef DEBUG_ASI
|
1822 |
dump_asi("write", addr, asi, size, val);
|
1823 |
#endif
|
1824 |
} |
1825 |
|
1826 |
#endif /* CONFIG_USER_ONLY */ |
1827 |
#else /* TARGET_SPARC64 */ |
1828 |
|
1829 |
#ifdef CONFIG_USER_ONLY
|
1830 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
1831 |
{ |
1832 |
uint64_t ret = 0;
|
1833 |
#if defined(DEBUG_ASI)
|
1834 |
target_ulong last_addr = addr; |
1835 |
#endif
|
1836 |
|
1837 |
if (asi < 0x80) |
1838 |
raise_exception(TT_PRIV_ACT); |
1839 |
|
1840 |
helper_check_align(addr, size - 1);
|
1841 |
address_mask(env, &addr); |
1842 |
|
1843 |
switch (asi) {
|
1844 |
case 0x82: // Primary no-fault |
1845 |
case 0x8a: // Primary no-fault LE |
1846 |
if (page_check_range(addr, size, PAGE_READ) == -1) { |
1847 |
#ifdef DEBUG_ASI
|
1848 |
dump_asi("read ", last_addr, asi, size, ret);
|
1849 |
#endif
|
1850 |
return 0; |
1851 |
} |
1852 |
// Fall through
|
1853 |
case 0x80: // Primary |
1854 |
case 0x88: // Primary LE |
1855 |
{ |
1856 |
switch(size) {
|
1857 |
case 1: |
1858 |
ret = ldub_raw(addr); |
1859 |
break;
|
1860 |
case 2: |
1861 |
ret = lduw_raw(addr); |
1862 |
break;
|
1863 |
case 4: |
1864 |
ret = ldl_raw(addr); |
1865 |
break;
|
1866 |
default:
|
1867 |
case 8: |
1868 |
ret = ldq_raw(addr); |
1869 |
break;
|
1870 |
} |
1871 |
} |
1872 |
break;
|
1873 |
case 0x83: // Secondary no-fault |
1874 |
case 0x8b: // Secondary no-fault LE |
1875 |
if (page_check_range(addr, size, PAGE_READ) == -1) { |
1876 |
#ifdef DEBUG_ASI
|
1877 |
dump_asi("read ", last_addr, asi, size, ret);
|
1878 |
#endif
|
1879 |
return 0; |
1880 |
} |
1881 |
// Fall through
|
1882 |
case 0x81: // Secondary |
1883 |
case 0x89: // Secondary LE |
1884 |
// XXX
|
1885 |
break;
|
1886 |
default:
|
1887 |
break;
|
1888 |
} |
1889 |
|
1890 |
/* Convert from little endian */
|
1891 |
switch (asi) {
|
1892 |
case 0x88: // Primary LE |
1893 |
case 0x89: // Secondary LE |
1894 |
case 0x8a: // Primary no-fault LE |
1895 |
case 0x8b: // Secondary no-fault LE |
1896 |
switch(size) {
|
1897 |
case 2: |
1898 |
ret = bswap16(ret); |
1899 |
break;
|
1900 |
case 4: |
1901 |
ret = bswap32(ret); |
1902 |
break;
|
1903 |
case 8: |
1904 |
ret = bswap64(ret); |
1905 |
break;
|
1906 |
default:
|
1907 |
break;
|
1908 |
} |
1909 |
default:
|
1910 |
break;
|
1911 |
} |
1912 |
|
1913 |
/* Convert to signed number */
|
1914 |
if (sign) {
|
1915 |
switch(size) {
|
1916 |
case 1: |
1917 |
ret = (int8_t) ret; |
1918 |
break;
|
1919 |
case 2: |
1920 |
ret = (int16_t) ret; |
1921 |
break;
|
1922 |
case 4: |
1923 |
ret = (int32_t) ret; |
1924 |
break;
|
1925 |
default:
|
1926 |
break;
|
1927 |
} |
1928 |
} |
1929 |
#ifdef DEBUG_ASI
|
1930 |
dump_asi("read ", last_addr, asi, size, ret);
|
1931 |
#endif
|
1932 |
return ret;
|
1933 |
} |
1934 |
|
1935 |
void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size) |
1936 |
{ |
1937 |
#ifdef DEBUG_ASI
|
1938 |
dump_asi("write", addr, asi, size, val);
|
1939 |
#endif
|
1940 |
if (asi < 0x80) |
1941 |
raise_exception(TT_PRIV_ACT); |
1942 |
|
1943 |
helper_check_align(addr, size - 1);
|
1944 |
address_mask(env, &addr); |
1945 |
|
1946 |
/* Convert to little endian */
|
1947 |
switch (asi) {
|
1948 |
case 0x88: // Primary LE |
1949 |
case 0x89: // Secondary LE |
1950 |
switch(size) {
|
1951 |
case 2: |
1952 |
addr = bswap16(addr); |
1953 |
break;
|
1954 |
case 4: |
1955 |
addr = bswap32(addr); |
1956 |
break;
|
1957 |
case 8: |
1958 |
addr = bswap64(addr); |
1959 |
break;
|
1960 |
default:
|
1961 |
break;
|
1962 |
} |
1963 |
default:
|
1964 |
break;
|
1965 |
} |
1966 |
|
1967 |
switch(asi) {
|
1968 |
case 0x80: // Primary |
1969 |
case 0x88: // Primary LE |
1970 |
{ |
1971 |
switch(size) {
|
1972 |
case 1: |
1973 |
stb_raw(addr, val); |
1974 |
break;
|
1975 |
case 2: |
1976 |
stw_raw(addr, val); |
1977 |
break;
|
1978 |
case 4: |
1979 |
stl_raw(addr, val); |
1980 |
break;
|
1981 |
case 8: |
1982 |
default:
|
1983 |
stq_raw(addr, val); |
1984 |
break;
|
1985 |
} |
1986 |
} |
1987 |
break;
|
1988 |
case 0x81: // Secondary |
1989 |
case 0x89: // Secondary LE |
1990 |
// XXX
|
1991 |
return;
|
1992 |
|
1993 |
case 0x82: // Primary no-fault, RO |
1994 |
case 0x83: // Secondary no-fault, RO |
1995 |
case 0x8a: // Primary no-fault LE, RO |
1996 |
case 0x8b: // Secondary no-fault LE, RO |
1997 |
default:
|
1998 |
do_unassigned_access(addr, 1, 0, 1, size); |
1999 |
return;
|
2000 |
} |
2001 |
} |
2002 |
|
2003 |
#else /* CONFIG_USER_ONLY */ |
2004 |
|
2005 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
2006 |
{ |
2007 |
uint64_t ret = 0;
|
2008 |
#if defined(DEBUG_ASI)
|
2009 |
target_ulong last_addr = addr; |
2010 |
#endif
|
2011 |
|
2012 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
2013 |
|| ((env->def->features & CPU_FEATURE_HYPV) |
2014 |
&& asi >= 0x30 && asi < 0x80 |
2015 |
&& !(env->hpstate & HS_PRIV))) |
2016 |
raise_exception(TT_PRIV_ACT); |
2017 |
|
2018 |
helper_check_align(addr, size - 1);
|
2019 |
switch (asi) {
|
2020 |
case 0x82: // Primary no-fault |
2021 |
case 0x8a: // Primary no-fault LE |
2022 |
if (cpu_get_phys_page_debug(env, addr) == -1ULL) { |
2023 |
#ifdef DEBUG_ASI
|
2024 |
dump_asi("read ", last_addr, asi, size, ret);
|
2025 |
#endif
|
2026 |
return 0; |
2027 |
} |
2028 |
// Fall through
|
2029 |
case 0x10: // As if user primary |
2030 |
case 0x18: // As if user primary LE |
2031 |
case 0x80: // Primary |
2032 |
case 0x88: // Primary LE |
2033 |
case 0xe2: // UA2007 Primary block init |
2034 |
case 0xe3: // UA2007 Secondary block init |
2035 |
if ((asi & 0x80) && (env->pstate & PS_PRIV)) { |
2036 |
if ((env->def->features & CPU_FEATURE_HYPV)
|
2037 |
&& env->hpstate & HS_PRIV) { |
2038 |
switch(size) {
|
2039 |
case 1: |
2040 |
ret = ldub_hypv(addr); |
2041 |
break;
|
2042 |
case 2: |
2043 |
ret = lduw_hypv(addr); |
2044 |
break;
|
2045 |
case 4: |
2046 |
ret = ldl_hypv(addr); |
2047 |
break;
|
2048 |
default:
|
2049 |
case 8: |
2050 |
ret = ldq_hypv(addr); |
2051 |
break;
|
2052 |
} |
2053 |
} else {
|
2054 |
switch(size) {
|
2055 |
case 1: |
2056 |
ret = ldub_kernel(addr); |
2057 |
break;
|
2058 |
case 2: |
2059 |
ret = lduw_kernel(addr); |
2060 |
break;
|
2061 |
case 4: |
2062 |
ret = ldl_kernel(addr); |
2063 |
break;
|
2064 |
default:
|
2065 |
case 8: |
2066 |
ret = ldq_kernel(addr); |
2067 |
break;
|
2068 |
} |
2069 |
} |
2070 |
} else {
|
2071 |
switch(size) {
|
2072 |
case 1: |
2073 |
ret = ldub_user(addr); |
2074 |
break;
|
2075 |
case 2: |
2076 |
ret = lduw_user(addr); |
2077 |
break;
|
2078 |
case 4: |
2079 |
ret = ldl_user(addr); |
2080 |
break;
|
2081 |
default:
|
2082 |
case 8: |
2083 |
ret = ldq_user(addr); |
2084 |
break;
|
2085 |
} |
2086 |
} |
2087 |
break;
|
2088 |
case 0x14: // Bypass |
2089 |
case 0x15: // Bypass, non-cacheable |
2090 |
case 0x1c: // Bypass LE |
2091 |
case 0x1d: // Bypass, non-cacheable LE |
2092 |
{ |
2093 |
switch(size) {
|
2094 |
case 1: |
2095 |
ret = ldub_phys(addr); |
2096 |
break;
|
2097 |
case 2: |
2098 |
ret = lduw_phys(addr); |
2099 |
break;
|
2100 |
case 4: |
2101 |
ret = ldl_phys(addr); |
2102 |
break;
|
2103 |
default:
|
2104 |
case 8: |
2105 |
ret = ldq_phys(addr); |
2106 |
break;
|
2107 |
} |
2108 |
break;
|
2109 |
} |
2110 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
2111 |
case 0x2c: // Nucleus quad LDD 128 bit atomic LE |
2112 |
// Only ldda allowed
|
2113 |
raise_exception(TT_ILL_INSN); |
2114 |
return 0; |
2115 |
case 0x83: // Secondary no-fault |
2116 |
case 0x8b: // Secondary no-fault LE |
2117 |
if (cpu_get_phys_page_debug(env, addr) == -1ULL) { |
2118 |
#ifdef DEBUG_ASI
|
2119 |
dump_asi("read ", last_addr, asi, size, ret);
|
2120 |
#endif
|
2121 |
return 0; |
2122 |
} |
2123 |
// Fall through
|
2124 |
case 0x04: // Nucleus |
2125 |
case 0x0c: // Nucleus Little Endian (LE) |
2126 |
case 0x11: // As if user secondary |
2127 |
case 0x19: // As if user secondary LE |
2128 |
case 0x4a: // UPA config |
2129 |
case 0x81: // Secondary |
2130 |
case 0x89: // Secondary LE |
2131 |
// XXX
|
2132 |
break;
|
2133 |
case 0x45: // LSU |
2134 |
ret = env->lsu; |
2135 |
break;
|
2136 |
case 0x50: // I-MMU regs |
2137 |
{ |
2138 |
int reg = (addr >> 3) & 0xf; |
2139 |
|
2140 |
if (reg == 0) { |
2141 |
// I-TSB Tag Target register
|
2142 |
ret = ultrasparc_tag_target(env->immuregs[6]);
|
2143 |
} else {
|
2144 |
ret = env->immuregs[reg]; |
2145 |
} |
2146 |
|
2147 |
break;
|
2148 |
} |
2149 |
case 0x51: // I-MMU 8k TSB pointer |
2150 |
{ |
2151 |
// env->immuregs[5] holds I-MMU TSB register value
|
2152 |
// env->immuregs[6] holds I-MMU Tag Access register value
|
2153 |
ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6], |
2154 |
8*1024); |
2155 |
break;
|
2156 |
} |
2157 |
case 0x52: // I-MMU 64k TSB pointer |
2158 |
{ |
2159 |
// env->immuregs[5] holds I-MMU TSB register value
|
2160 |
// env->immuregs[6] holds I-MMU Tag Access register value
|
2161 |
ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6], |
2162 |
64*1024); |
2163 |
break;
|
2164 |
} |
2165 |
case 0x55: // I-MMU data access |
2166 |
{ |
2167 |
int reg = (addr >> 3) & 0x3f; |
2168 |
|
2169 |
ret = env->itlb_tte[reg]; |
2170 |
break;
|
2171 |
} |
2172 |
case 0x56: // I-MMU tag read |
2173 |
{ |
2174 |
int reg = (addr >> 3) & 0x3f; |
2175 |
|
2176 |
ret = env->itlb_tag[reg]; |
2177 |
break;
|
2178 |
} |
2179 |
case 0x58: // D-MMU regs |
2180 |
{ |
2181 |
int reg = (addr >> 3) & 0xf; |
2182 |
|
2183 |
if (reg == 0) { |
2184 |
// D-TSB Tag Target register
|
2185 |
ret = ultrasparc_tag_target(env->dmmuregs[6]);
|
2186 |
} else {
|
2187 |
ret = env->dmmuregs[reg]; |
2188 |
} |
2189 |
break;
|
2190 |
} |
2191 |
case 0x59: // D-MMU 8k TSB pointer |
2192 |
{ |
2193 |
// env->dmmuregs[5] holds D-MMU TSB register value
|
2194 |
// env->dmmuregs[6] holds D-MMU Tag Access register value
|
2195 |
ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6], |
2196 |
8*1024); |
2197 |
break;
|
2198 |
} |
2199 |
case 0x5a: // D-MMU 64k TSB pointer |
2200 |
{ |
2201 |
// env->dmmuregs[5] holds D-MMU TSB register value
|
2202 |
// env->dmmuregs[6] holds D-MMU Tag Access register value
|
2203 |
ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6], |
2204 |
64*1024); |
2205 |
break;
|
2206 |
} |
2207 |
case 0x5d: // D-MMU data access |
2208 |
{ |
2209 |
int reg = (addr >> 3) & 0x3f; |
2210 |
|
2211 |
ret = env->dtlb_tte[reg]; |
2212 |
break;
|
2213 |
} |
2214 |
case 0x5e: // D-MMU tag read |
2215 |
{ |
2216 |
int reg = (addr >> 3) & 0x3f; |
2217 |
|
2218 |
ret = env->dtlb_tag[reg]; |
2219 |
break;
|
2220 |
} |
2221 |
case 0x46: // D-cache data |
2222 |
case 0x47: // D-cache tag access |
2223 |
case 0x4b: // E-cache error enable |
2224 |
case 0x4c: // E-cache asynchronous fault status |
2225 |
case 0x4d: // E-cache asynchronous fault address |
2226 |
case 0x4e: // E-cache tag data |
2227 |
case 0x66: // I-cache instruction access |
2228 |
case 0x67: // I-cache tag access |
2229 |
case 0x6e: // I-cache predecode |
2230 |
case 0x6f: // I-cache LRU etc. |
2231 |
case 0x76: // E-cache tag |
2232 |
case 0x7e: // E-cache tag |
2233 |
break;
|
2234 |
case 0x5b: // D-MMU data pointer |
2235 |
case 0x48: // Interrupt dispatch, RO |
2236 |
case 0x49: // Interrupt data receive |
2237 |
case 0x7f: // Incoming interrupt vector, RO |
2238 |
// XXX
|
2239 |
break;
|
2240 |
case 0x54: // I-MMU data in, WO |
2241 |
case 0x57: // I-MMU demap, WO |
2242 |
case 0x5c: // D-MMU data in, WO |
2243 |
case 0x5f: // D-MMU demap, WO |
2244 |
case 0x77: // Interrupt vector, WO |
2245 |
default:
|
2246 |
do_unassigned_access(addr, 0, 0, 1, size); |
2247 |
ret = 0;
|
2248 |
break;
|
2249 |
} |
2250 |
|
2251 |
/* Convert from little endian */
|
2252 |
switch (asi) {
|
2253 |
case 0x0c: // Nucleus Little Endian (LE) |
2254 |
case 0x18: // As if user primary LE |
2255 |
case 0x19: // As if user secondary LE |
2256 |
case 0x1c: // Bypass LE |
2257 |
case 0x1d: // Bypass, non-cacheable LE |
2258 |
case 0x88: // Primary LE |
2259 |
case 0x89: // Secondary LE |
2260 |
case 0x8a: // Primary no-fault LE |
2261 |
case 0x8b: // Secondary no-fault LE |
2262 |
switch(size) {
|
2263 |
case 2: |
2264 |
ret = bswap16(ret); |
2265 |
break;
|
2266 |
case 4: |
2267 |
ret = bswap32(ret); |
2268 |
break;
|
2269 |
case 8: |
2270 |
ret = bswap64(ret); |
2271 |
break;
|
2272 |
default:
|
2273 |
break;
|
2274 |
} |
2275 |
default:
|
2276 |
break;
|
2277 |
} |
2278 |
|
2279 |
/* Convert to signed number */
|
2280 |
if (sign) {
|
2281 |
switch(size) {
|
2282 |
case 1: |
2283 |
ret = (int8_t) ret; |
2284 |
break;
|
2285 |
case 2: |
2286 |
ret = (int16_t) ret; |
2287 |
break;
|
2288 |
case 4: |
2289 |
ret = (int32_t) ret; |
2290 |
break;
|
2291 |
default:
|
2292 |
break;
|
2293 |
} |
2294 |
} |
2295 |
#ifdef DEBUG_ASI
|
2296 |
dump_asi("read ", last_addr, asi, size, ret);
|
2297 |
#endif
|
2298 |
return ret;
|
2299 |
} |
2300 |
|
2301 |
void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size) |
2302 |
{ |
2303 |
#ifdef DEBUG_ASI
|
2304 |
dump_asi("write", addr, asi, size, val);
|
2305 |
#endif
|
2306 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
2307 |
|| ((env->def->features & CPU_FEATURE_HYPV) |
2308 |
&& asi >= 0x30 && asi < 0x80 |
2309 |
&& !(env->hpstate & HS_PRIV))) |
2310 |
raise_exception(TT_PRIV_ACT); |
2311 |
|
2312 |
helper_check_align(addr, size - 1);
|
2313 |
/* Convert to little endian */
|
2314 |
switch (asi) {
|
2315 |
case 0x0c: // Nucleus Little Endian (LE) |
2316 |
case 0x18: // As if user primary LE |
2317 |
case 0x19: // As if user secondary LE |
2318 |
case 0x1c: // Bypass LE |
2319 |
case 0x1d: // Bypass, non-cacheable LE |
2320 |
case 0x88: // Primary LE |
2321 |
case 0x89: // Secondary LE |
2322 |
switch(size) {
|
2323 |
case 2: |
2324 |
addr = bswap16(addr); |
2325 |
break;
|
2326 |
case 4: |
2327 |
addr = bswap32(addr); |
2328 |
break;
|
2329 |
case 8: |
2330 |
addr = bswap64(addr); |
2331 |
break;
|
2332 |
default:
|
2333 |
break;
|
2334 |
} |
2335 |
default:
|
2336 |
break;
|
2337 |
} |
2338 |
|
2339 |
switch(asi) {
|
2340 |
case 0x10: // As if user primary |
2341 |
case 0x18: // As if user primary LE |
2342 |
case 0x80: // Primary |
2343 |
case 0x88: // Primary LE |
2344 |
case 0xe2: // UA2007 Primary block init |
2345 |
case 0xe3: // UA2007 Secondary block init |
2346 |
if ((asi & 0x80) && (env->pstate & PS_PRIV)) { |
2347 |
if ((env->def->features & CPU_FEATURE_HYPV)
|
2348 |
&& env->hpstate & HS_PRIV) { |
2349 |
switch(size) {
|
2350 |
case 1: |
2351 |
stb_hypv(addr, val); |
2352 |
break;
|
2353 |
case 2: |
2354 |
stw_hypv(addr, val); |
2355 |
break;
|
2356 |
case 4: |
2357 |
stl_hypv(addr, val); |
2358 |
break;
|
2359 |
case 8: |
2360 |
default:
|
2361 |
stq_hypv(addr, val); |
2362 |
break;
|
2363 |
} |
2364 |
} else {
|
2365 |
switch(size) {
|
2366 |
case 1: |
2367 |
stb_kernel(addr, val); |
2368 |
break;
|
2369 |
case 2: |
2370 |
stw_kernel(addr, val); |
2371 |
break;
|
2372 |
case 4: |
2373 |
stl_kernel(addr, val); |
2374 |
break;
|
2375 |
case 8: |
2376 |
default:
|
2377 |
stq_kernel(addr, val); |
2378 |
break;
|
2379 |
} |
2380 |
} |
2381 |
} else {
|
2382 |
switch(size) {
|
2383 |
case 1: |
2384 |
stb_user(addr, val); |
2385 |
break;
|
2386 |
case 2: |
2387 |
stw_user(addr, val); |
2388 |
break;
|
2389 |
case 4: |
2390 |
stl_user(addr, val); |
2391 |
break;
|
2392 |
case 8: |
2393 |
default:
|
2394 |
stq_user(addr, val); |
2395 |
break;
|
2396 |
} |
2397 |
} |
2398 |
break;
|
2399 |
case 0x14: // Bypass |
2400 |
case 0x15: // Bypass, non-cacheable |
2401 |
case 0x1c: // Bypass LE |
2402 |
case 0x1d: // Bypass, non-cacheable LE |
2403 |
{ |
2404 |
switch(size) {
|
2405 |
case 1: |
2406 |
stb_phys(addr, val); |
2407 |
break;
|
2408 |
case 2: |
2409 |
stw_phys(addr, val); |
2410 |
break;
|
2411 |
case 4: |
2412 |
stl_phys(addr, val); |
2413 |
break;
|
2414 |
case 8: |
2415 |
default:
|
2416 |
stq_phys(addr, val); |
2417 |
break;
|
2418 |
} |
2419 |
} |
2420 |
return;
|
2421 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
2422 |
case 0x2c: // Nucleus quad LDD 128 bit atomic LE |
2423 |
// Only ldda allowed
|
2424 |
raise_exception(TT_ILL_INSN); |
2425 |
return;
|
2426 |
case 0x04: // Nucleus |
2427 |
case 0x0c: // Nucleus Little Endian (LE) |
2428 |
case 0x11: // As if user secondary |
2429 |
case 0x19: // As if user secondary LE |
2430 |
case 0x4a: // UPA config |
2431 |
case 0x81: // Secondary |
2432 |
case 0x89: // Secondary LE |
2433 |
// XXX
|
2434 |
return;
|
2435 |
case 0x45: // LSU |
2436 |
{ |
2437 |
uint64_t oldreg; |
2438 |
|
2439 |
oldreg = env->lsu; |
2440 |
env->lsu = val & (DMMU_E | IMMU_E); |
2441 |
// Mappings generated during D/I MMU disabled mode are
|
2442 |
// invalid in normal mode
|
2443 |
if (oldreg != env->lsu) {
|
2444 |
DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n", |
2445 |
oldreg, env->lsu); |
2446 |
#ifdef DEBUG_MMU
|
2447 |
dump_mmu(env); |
2448 |
#endif
|
2449 |
tlb_flush(env, 1);
|
2450 |
} |
2451 |
return;
|
2452 |
} |
2453 |
case 0x50: // I-MMU regs |
2454 |
{ |
2455 |
int reg = (addr >> 3) & 0xf; |
2456 |
uint64_t oldreg; |
2457 |
|
2458 |
oldreg = env->immuregs[reg]; |
2459 |
switch(reg) {
|
2460 |
case 0: // RO |
2461 |
case 4: |
2462 |
return;
|
2463 |
case 1: // Not in I-MMU |
2464 |
case 2: |
2465 |
case 7: |
2466 |
case 8: |
2467 |
return;
|
2468 |
case 3: // SFSR |
2469 |
if ((val & 1) == 0) |
2470 |
val = 0; // Clear SFSR |
2471 |
break;
|
2472 |
case 5: // TSB access |
2473 |
case 6: // Tag access |
2474 |
default:
|
2475 |
break;
|
2476 |
} |
2477 |
env->immuregs[reg] = val; |
2478 |
if (oldreg != env->immuregs[reg]) {
|
2479 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" |
2480 |
PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
|
2481 |
} |
2482 |
#ifdef DEBUG_MMU
|
2483 |
dump_mmu(env); |
2484 |
#endif
|
2485 |
return;
|
2486 |
} |
2487 |
case 0x54: // I-MMU data in |
2488 |
{ |
2489 |
unsigned int i; |
2490 |
|
2491 |
// Try finding an invalid entry
|
2492 |
for (i = 0; i < 64; i++) { |
2493 |
if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) { |
2494 |
env->itlb_tag[i] = env->immuregs[6];
|
2495 |
env->itlb_tte[i] = val; |
2496 |
return;
|
2497 |
} |
2498 |
} |
2499 |
// Try finding an unlocked entry
|
2500 |
for (i = 0; i < 64; i++) { |
2501 |
if ((env->itlb_tte[i] & 0x40) == 0) { |
2502 |
env->itlb_tag[i] = env->immuregs[6];
|
2503 |
env->itlb_tte[i] = val; |
2504 |
return;
|
2505 |
} |
2506 |
} |
2507 |
// error state?
|
2508 |
return;
|
2509 |
} |
2510 |
case 0x55: // I-MMU data access |
2511 |
{ |
2512 |
// TODO: auto demap
|
2513 |
|
2514 |
unsigned int i = (addr >> 3) & 0x3f; |
2515 |
|
2516 |
env->itlb_tag[i] = env->immuregs[6];
|
2517 |
env->itlb_tte[i] = val; |
2518 |
return;
|
2519 |
} |
2520 |
case 0x57: // I-MMU demap |
2521 |
{ |
2522 |
unsigned int i; |
2523 |
|
2524 |
for (i = 0; i < 64; i++) { |
2525 |
if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0) { |
2526 |
target_ulong mask = 0xffffffffffffe000ULL;
|
2527 |
|
2528 |
mask <<= 3 * ((env->itlb_tte[i] >> 61) & 3); |
2529 |
if ((val & mask) == (env->itlb_tag[i] & mask)) {
|
2530 |
env->itlb_tag[i] = 0;
|
2531 |
env->itlb_tte[i] = 0;
|
2532 |
} |
2533 |
return;
|
2534 |
} |
2535 |
} |
2536 |
} |
2537 |
return;
|
2538 |
case 0x58: // D-MMU regs |
2539 |
{ |
2540 |
int reg = (addr >> 3) & 0xf; |
2541 |
uint64_t oldreg; |
2542 |
|
2543 |
oldreg = env->dmmuregs[reg]; |
2544 |
switch(reg) {
|
2545 |
case 0: // RO |
2546 |
case 4: |
2547 |
return;
|
2548 |
case 3: // SFSR |
2549 |
if ((val & 1) == 0) { |
2550 |
val = 0; // Clear SFSR, Fault address |
2551 |
env->dmmuregs[4] = 0; |
2552 |
} |
2553 |
env->dmmuregs[reg] = val; |
2554 |
break;
|
2555 |
case 1: // Primary context |
2556 |
case 2: // Secondary context |
2557 |
case 5: // TSB access |
2558 |
case 6: // Tag access |
2559 |
case 7: // Virtual Watchpoint |
2560 |
case 8: // Physical Watchpoint |
2561 |
default:
|
2562 |
break;
|
2563 |
} |
2564 |
env->dmmuregs[reg] = val; |
2565 |
if (oldreg != env->dmmuregs[reg]) {
|
2566 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" |
2567 |
PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
|
2568 |
} |
2569 |
#ifdef DEBUG_MMU
|
2570 |
dump_mmu(env); |
2571 |
#endif
|
2572 |
return;
|
2573 |
} |
2574 |
case 0x5c: // D-MMU data in |
2575 |
{ |
2576 |
unsigned int i; |
2577 |
|
2578 |
// Try finding an invalid entry
|
2579 |
for (i = 0; i < 64; i++) { |
2580 |
if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) { |
2581 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
2582 |
env->dtlb_tte[i] = val; |
2583 |
return;
|
2584 |
} |
2585 |
} |
2586 |
// Try finding an unlocked entry
|
2587 |
for (i = 0; i < 64; i++) { |
2588 |
if ((env->dtlb_tte[i] & 0x40) == 0) { |
2589 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
2590 |
env->dtlb_tte[i] = val; |
2591 |
return;
|
2592 |
} |
2593 |
} |
2594 |
// error state?
|
2595 |
return;
|
2596 |
} |
2597 |
case 0x5d: // D-MMU data access |
2598 |
{ |
2599 |
unsigned int i = (addr >> 3) & 0x3f; |
2600 |
|
2601 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
2602 |
env->dtlb_tte[i] = val; |
2603 |
return;
|
2604 |
} |
2605 |
case 0x5f: // D-MMU demap |
2606 |
{ |
2607 |
unsigned int i; |
2608 |
|
2609 |
for (i = 0; i < 64; i++) { |
2610 |
if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0) { |
2611 |
target_ulong mask = 0xffffffffffffe000ULL;
|
2612 |
|
2613 |
mask <<= 3 * ((env->dtlb_tte[i] >> 61) & 3); |
2614 |
if ((val & mask) == (env->dtlb_tag[i] & mask)) {
|
2615 |
env->dtlb_tag[i] = 0;
|
2616 |
env->dtlb_tte[i] = 0;
|
2617 |
} |
2618 |
return;
|
2619 |
} |
2620 |
} |
2621 |
} |
2622 |
return;
|
2623 |
case 0x49: // Interrupt data receive |
2624 |
// XXX
|
2625 |
return;
|
2626 |
case 0x46: // D-cache data |
2627 |
case 0x47: // D-cache tag access |
2628 |
case 0x4b: // E-cache error enable |
2629 |
case 0x4c: // E-cache asynchronous fault status |
2630 |
case 0x4d: // E-cache asynchronous fault address |
2631 |
case 0x4e: // E-cache tag data |
2632 |
case 0x66: // I-cache instruction access |
2633 |
case 0x67: // I-cache tag access |
2634 |
case 0x6e: // I-cache predecode |
2635 |
case 0x6f: // I-cache LRU etc. |
2636 |
case 0x76: // E-cache tag |
2637 |
case 0x7e: // E-cache tag |
2638 |
return;
|
2639 |
case 0x51: // I-MMU 8k TSB pointer, RO |
2640 |
case 0x52: // I-MMU 64k TSB pointer, RO |
2641 |
case 0x56: // I-MMU tag read, RO |
2642 |
case 0x59: // D-MMU 8k TSB pointer, RO |
2643 |
case 0x5a: // D-MMU 64k TSB pointer, RO |
2644 |
case 0x5b: // D-MMU data pointer, RO |
2645 |
case 0x5e: // D-MMU tag read, RO |
2646 |
case 0x48: // Interrupt dispatch, RO |
2647 |
case 0x7f: // Incoming interrupt vector, RO |
2648 |
case 0x82: // Primary no-fault, RO |
2649 |
case 0x83: // Secondary no-fault, RO |
2650 |
case 0x8a: // Primary no-fault LE, RO |
2651 |
case 0x8b: // Secondary no-fault LE, RO |
2652 |
default:
|
2653 |
do_unassigned_access(addr, 1, 0, 1, size); |
2654 |
return;
|
2655 |
} |
2656 |
} |
2657 |
#endif /* CONFIG_USER_ONLY */ |
2658 |
|
2659 |
void helper_ldda_asi(target_ulong addr, int asi, int rd) |
2660 |
{ |
2661 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
2662 |
|| ((env->def->features & CPU_FEATURE_HYPV) |
2663 |
&& asi >= 0x30 && asi < 0x80 |
2664 |
&& !(env->hpstate & HS_PRIV))) |
2665 |
raise_exception(TT_PRIV_ACT); |
2666 |
|
2667 |
switch (asi) {
|
2668 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
2669 |
case 0x2c: // Nucleus quad LDD 128 bit atomic LE |
2670 |
helper_check_align(addr, 0xf);
|
2671 |
if (rd == 0) { |
2672 |
env->gregs[1] = ldq_kernel(addr + 8); |
2673 |
if (asi == 0x2c) |
2674 |
bswap64s(&env->gregs[1]);
|
2675 |
} else if (rd < 8) { |
2676 |
env->gregs[rd] = ldq_kernel(addr); |
2677 |
env->gregs[rd + 1] = ldq_kernel(addr + 8); |
2678 |
if (asi == 0x2c) { |
2679 |
bswap64s(&env->gregs[rd]); |
2680 |
bswap64s(&env->gregs[rd + 1]);
|
2681 |
} |
2682 |
} else {
|
2683 |
env->regwptr[rd] = ldq_kernel(addr); |
2684 |
env->regwptr[rd + 1] = ldq_kernel(addr + 8); |
2685 |
if (asi == 0x2c) { |
2686 |
bswap64s(&env->regwptr[rd]); |
2687 |
bswap64s(&env->regwptr[rd + 1]);
|
2688 |
} |
2689 |
} |
2690 |
break;
|
2691 |
default:
|
2692 |
helper_check_align(addr, 0x3);
|
2693 |
if (rd == 0) |
2694 |
env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0); |
2695 |
else if (rd < 8) { |
2696 |
env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0); |
2697 |
env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0); |
2698 |
} else {
|
2699 |
env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0); |
2700 |
env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0); |
2701 |
} |
2702 |
break;
|
2703 |
} |
2704 |
} |
2705 |
|
2706 |
void helper_ldf_asi(target_ulong addr, int asi, int size, int rd) |
2707 |
{ |
2708 |
unsigned int i; |
2709 |
target_ulong val; |
2710 |
|
2711 |
helper_check_align(addr, 3);
|
2712 |
switch (asi) {
|
2713 |
case 0xf0: // Block load primary |
2714 |
case 0xf1: // Block load secondary |
2715 |
case 0xf8: // Block load primary LE |
2716 |
case 0xf9: // Block load secondary LE |
2717 |
if (rd & 7) { |
2718 |
raise_exception(TT_ILL_INSN); |
2719 |
return;
|
2720 |
} |
2721 |
helper_check_align(addr, 0x3f);
|
2722 |
for (i = 0; i < 16; i++) { |
2723 |
*(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4, |
2724 |
0);
|
2725 |
addr += 4;
|
2726 |
} |
2727 |
|
2728 |
return;
|
2729 |
default:
|
2730 |
break;
|
2731 |
} |
2732 |
|
2733 |
val = helper_ld_asi(addr, asi, size, 0);
|
2734 |
switch(size) {
|
2735 |
default:
|
2736 |
case 4: |
2737 |
*((uint32_t *)&env->fpr[rd]) = val; |
2738 |
break;
|
2739 |
case 8: |
2740 |
*((int64_t *)&DT0) = val; |
2741 |
break;
|
2742 |
case 16: |
2743 |
// XXX
|
2744 |
break;
|
2745 |
} |
2746 |
} |
2747 |
|
2748 |
void helper_stf_asi(target_ulong addr, int asi, int size, int rd) |
2749 |
{ |
2750 |
unsigned int i; |
2751 |
target_ulong val = 0;
|
2752 |
|
2753 |
helper_check_align(addr, 3);
|
2754 |
switch (asi) {
|
2755 |
case 0xe0: // UA2007 Block commit store primary (cache flush) |
2756 |
case 0xe1: // UA2007 Block commit store secondary (cache flush) |
2757 |
case 0xf0: // Block store primary |
2758 |
case 0xf1: // Block store secondary |
2759 |
case 0xf8: // Block store primary LE |
2760 |
case 0xf9: // Block store secondary LE |
2761 |
if (rd & 7) { |
2762 |
raise_exception(TT_ILL_INSN); |
2763 |
return;
|
2764 |
} |
2765 |
helper_check_align(addr, 0x3f);
|
2766 |
for (i = 0; i < 16; i++) { |
2767 |
val = *(uint32_t *)&env->fpr[rd++]; |
2768 |
helper_st_asi(addr, val, asi & 0x8f, 4); |
2769 |
addr += 4;
|
2770 |
} |
2771 |
|
2772 |
return;
|
2773 |
default:
|
2774 |
break;
|
2775 |
} |
2776 |
|
2777 |
switch(size) {
|
2778 |
default:
|
2779 |
case 4: |
2780 |
val = *((uint32_t *)&env->fpr[rd]); |
2781 |
break;
|
2782 |
case 8: |
2783 |
val = *((int64_t *)&DT0); |
2784 |
break;
|
2785 |
case 16: |
2786 |
// XXX
|
2787 |
break;
|
2788 |
} |
2789 |
helper_st_asi(addr, val, asi, size); |
2790 |
} |
2791 |
|
2792 |
target_ulong helper_cas_asi(target_ulong addr, target_ulong val1, |
2793 |
target_ulong val2, uint32_t asi) |
2794 |
{ |
2795 |
target_ulong ret; |
2796 |
|
2797 |
val2 &= 0xffffffffUL;
|
2798 |
ret = helper_ld_asi(addr, asi, 4, 0); |
2799 |
ret &= 0xffffffffUL;
|
2800 |
if (val2 == ret)
|
2801 |
helper_st_asi(addr, val1 & 0xffffffffUL, asi, 4); |
2802 |
return ret;
|
2803 |
} |
2804 |
|
2805 |
target_ulong helper_casx_asi(target_ulong addr, target_ulong val1, |
2806 |
target_ulong val2, uint32_t asi) |
2807 |
{ |
2808 |
target_ulong ret; |
2809 |
|
2810 |
ret = helper_ld_asi(addr, asi, 8, 0); |
2811 |
if (val2 == ret)
|
2812 |
helper_st_asi(addr, val1, asi, 8);
|
2813 |
return ret;
|
2814 |
} |
2815 |
#endif /* TARGET_SPARC64 */ |
2816 |
|
2817 |
#ifndef TARGET_SPARC64
|
2818 |
void helper_rett(void) |
2819 |
{ |
2820 |
unsigned int cwp; |
2821 |
|
2822 |
if (env->psret == 1) |
2823 |
raise_exception(TT_ILL_INSN); |
2824 |
|
2825 |
env->psret = 1;
|
2826 |
cwp = cpu_cwp_inc(env, env->cwp + 1) ;
|
2827 |
if (env->wim & (1 << cwp)) { |
2828 |
raise_exception(TT_WIN_UNF); |
2829 |
} |
2830 |
set_cwp(cwp); |
2831 |
env->psrs = env->psrps; |
2832 |
} |
2833 |
#endif
|
2834 |
|
2835 |
target_ulong helper_udiv(target_ulong a, target_ulong b) |
2836 |
{ |
2837 |
uint64_t x0; |
2838 |
uint32_t x1; |
2839 |
|
2840 |
x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32); |
2841 |
x1 = b; |
2842 |
|
2843 |
if (x1 == 0) { |
2844 |
raise_exception(TT_DIV_ZERO); |
2845 |
} |
2846 |
|
2847 |
x0 = x0 / x1; |
2848 |
if (x0 > 0xffffffff) { |
2849 |
env->cc_src2 = 1;
|
2850 |
return 0xffffffff; |
2851 |
} else {
|
2852 |
env->cc_src2 = 0;
|
2853 |
return x0;
|
2854 |
} |
2855 |
} |
2856 |
|
2857 |
target_ulong helper_sdiv(target_ulong a, target_ulong b) |
2858 |
{ |
2859 |
int64_t x0; |
2860 |
int32_t x1; |
2861 |
|
2862 |
x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32); |
2863 |
x1 = b; |
2864 |
|
2865 |
if (x1 == 0) { |
2866 |
raise_exception(TT_DIV_ZERO); |
2867 |
} |
2868 |
|
2869 |
x0 = x0 / x1; |
2870 |
if ((int32_t) x0 != x0) {
|
2871 |
env->cc_src2 = 1;
|
2872 |
return x0 < 0? 0x80000000: 0x7fffffff; |
2873 |
} else {
|
2874 |
env->cc_src2 = 0;
|
2875 |
return x0;
|
2876 |
} |
2877 |
} |
2878 |
|
2879 |
void helper_stdf(target_ulong addr, int mem_idx) |
2880 |
{ |
2881 |
helper_check_align(addr, 7);
|
2882 |
#if !defined(CONFIG_USER_ONLY)
|
2883 |
switch (mem_idx) {
|
2884 |
case 0: |
2885 |
stfq_user(addr, DT0); |
2886 |
break;
|
2887 |
case 1: |
2888 |
stfq_kernel(addr, DT0); |
2889 |
break;
|
2890 |
#ifdef TARGET_SPARC64
|
2891 |
case 2: |
2892 |
stfq_hypv(addr, DT0); |
2893 |
break;
|
2894 |
#endif
|
2895 |
default:
|
2896 |
break;
|
2897 |
} |
2898 |
#else
|
2899 |
address_mask(env, &addr); |
2900 |
stfq_raw(addr, DT0); |
2901 |
#endif
|
2902 |
} |
2903 |
|
2904 |
void helper_lddf(target_ulong addr, int mem_idx) |
2905 |
{ |
2906 |
helper_check_align(addr, 7);
|
2907 |
#if !defined(CONFIG_USER_ONLY)
|
2908 |
switch (mem_idx) {
|
2909 |
case 0: |
2910 |
DT0 = ldfq_user(addr); |
2911 |
break;
|
2912 |
case 1: |
2913 |
DT0 = ldfq_kernel(addr); |
2914 |
break;
|
2915 |
#ifdef TARGET_SPARC64
|
2916 |
case 2: |
2917 |
DT0 = ldfq_hypv(addr); |
2918 |
break;
|
2919 |
#endif
|
2920 |
default:
|
2921 |
break;
|
2922 |
} |
2923 |
#else
|
2924 |
address_mask(env, &addr); |
2925 |
DT0 = ldfq_raw(addr); |
2926 |
#endif
|
2927 |
} |
2928 |
|
2929 |
void helper_ldqf(target_ulong addr, int mem_idx) |
2930 |
{ |
2931 |
// XXX add 128 bit load
|
2932 |
CPU_QuadU u; |
2933 |
|
2934 |
helper_check_align(addr, 7);
|
2935 |
#if !defined(CONFIG_USER_ONLY)
|
2936 |
switch (mem_idx) {
|
2937 |
case 0: |
2938 |
u.ll.upper = ldq_user(addr); |
2939 |
u.ll.lower = ldq_user(addr + 8);
|
2940 |
QT0 = u.q; |
2941 |
break;
|
2942 |
case 1: |
2943 |
u.ll.upper = ldq_kernel(addr); |
2944 |
u.ll.lower = ldq_kernel(addr + 8);
|
2945 |
QT0 = u.q; |
2946 |
break;
|
2947 |
#ifdef TARGET_SPARC64
|
2948 |
case 2: |
2949 |
u.ll.upper = ldq_hypv(addr); |
2950 |
u.ll.lower = ldq_hypv(addr + 8);
|
2951 |
QT0 = u.q; |
2952 |
break;
|
2953 |
#endif
|
2954 |
default:
|
2955 |
break;
|
2956 |
} |
2957 |
#else
|
2958 |
address_mask(env, &addr); |
2959 |
u.ll.upper = ldq_raw(addr); |
2960 |
u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL); |
2961 |
QT0 = u.q; |
2962 |
#endif
|
2963 |
} |
2964 |
|
2965 |
void helper_stqf(target_ulong addr, int mem_idx) |
2966 |
{ |
2967 |
// XXX add 128 bit store
|
2968 |
CPU_QuadU u; |
2969 |
|
2970 |
helper_check_align(addr, 7);
|
2971 |
#if !defined(CONFIG_USER_ONLY)
|
2972 |
switch (mem_idx) {
|
2973 |
case 0: |
2974 |
u.q = QT0; |
2975 |
stq_user(addr, u.ll.upper); |
2976 |
stq_user(addr + 8, u.ll.lower);
|
2977 |
break;
|
2978 |
case 1: |
2979 |
u.q = QT0; |
2980 |
stq_kernel(addr, u.ll.upper); |
2981 |
stq_kernel(addr + 8, u.ll.lower);
|
2982 |
break;
|
2983 |
#ifdef TARGET_SPARC64
|
2984 |
case 2: |
2985 |
u.q = QT0; |
2986 |
stq_hypv(addr, u.ll.upper); |
2987 |
stq_hypv(addr + 8, u.ll.lower);
|
2988 |
break;
|
2989 |
#endif
|
2990 |
default:
|
2991 |
break;
|
2992 |
} |
2993 |
#else
|
2994 |
u.q = QT0; |
2995 |
address_mask(env, &addr); |
2996 |
stq_raw(addr, u.ll.upper); |
2997 |
stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower); |
2998 |
#endif
|
2999 |
} |
3000 |
|
3001 |
static inline void set_fsr(void) |
3002 |
{ |
3003 |
int rnd_mode;
|
3004 |
|
3005 |
switch (env->fsr & FSR_RD_MASK) {
|
3006 |
case FSR_RD_NEAREST:
|
3007 |
rnd_mode = float_round_nearest_even; |
3008 |
break;
|
3009 |
default:
|
3010 |
case FSR_RD_ZERO:
|
3011 |
rnd_mode = float_round_to_zero; |
3012 |
break;
|
3013 |
case FSR_RD_POS:
|
3014 |
rnd_mode = float_round_up; |
3015 |
break;
|
3016 |
case FSR_RD_NEG:
|
3017 |
rnd_mode = float_round_down; |
3018 |
break;
|
3019 |
} |
3020 |
set_float_rounding_mode(rnd_mode, &env->fp_status); |
3021 |
} |
3022 |
|
3023 |
void helper_ldfsr(uint32_t new_fsr)
|
3024 |
{ |
3025 |
env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK); |
3026 |
set_fsr(); |
3027 |
} |
3028 |
|
3029 |
#ifdef TARGET_SPARC64
|
3030 |
void helper_ldxfsr(uint64_t new_fsr)
|
3031 |
{ |
3032 |
env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK); |
3033 |
set_fsr(); |
3034 |
} |
3035 |
#endif
|
3036 |
|
3037 |
void helper_debug(void) |
3038 |
{ |
3039 |
env->exception_index = EXCP_DEBUG; |
3040 |
cpu_loop_exit(); |
3041 |
} |
3042 |
|
3043 |
#ifndef TARGET_SPARC64
|
3044 |
/* XXX: use another pointer for %iN registers to avoid slow wrapping
|
3045 |
handling ? */
|
3046 |
void helper_save(void) |
3047 |
{ |
3048 |
uint32_t cwp; |
3049 |
|
3050 |
cwp = cpu_cwp_dec(env, env->cwp - 1);
|
3051 |
if (env->wim & (1 << cwp)) { |
3052 |
raise_exception(TT_WIN_OVF); |
3053 |
} |
3054 |
set_cwp(cwp); |
3055 |
} |
3056 |
|
3057 |
void helper_restore(void) |
3058 |
{ |
3059 |
uint32_t cwp; |
3060 |
|
3061 |
cwp = cpu_cwp_inc(env, env->cwp + 1);
|
3062 |
if (env->wim & (1 << cwp)) { |
3063 |
raise_exception(TT_WIN_UNF); |
3064 |
} |
3065 |
set_cwp(cwp); |
3066 |
} |
3067 |
|
3068 |
void helper_wrpsr(target_ulong new_psr)
|
3069 |
{ |
3070 |
if ((new_psr & PSR_CWP) >= env->nwindows)
|
3071 |
raise_exception(TT_ILL_INSN); |
3072 |
else
|
3073 |
PUT_PSR(env, new_psr); |
3074 |
} |
3075 |
|
3076 |
target_ulong helper_rdpsr(void)
|
3077 |
{ |
3078 |
return GET_PSR(env);
|
3079 |
} |
3080 |
|
3081 |
#else
|
3082 |
/* XXX: use another pointer for %iN registers to avoid slow wrapping
|
3083 |
handling ? */
|
3084 |
void helper_save(void) |
3085 |
{ |
3086 |
uint32_t cwp; |
3087 |
|
3088 |
cwp = cpu_cwp_dec(env, env->cwp - 1);
|
3089 |
if (env->cansave == 0) { |
3090 |
raise_exception(TT_SPILL | (env->otherwin != 0 ?
|
3091 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
3092 |
((env->wstate & 0x7) << 2))); |
3093 |
} else {
|
3094 |
if (env->cleanwin - env->canrestore == 0) { |
3095 |
// XXX Clean windows without trap
|
3096 |
raise_exception(TT_CLRWIN); |
3097 |
} else {
|
3098 |
env->cansave--; |
3099 |
env->canrestore++; |
3100 |
set_cwp(cwp); |
3101 |
} |
3102 |
} |
3103 |
} |
3104 |
|
3105 |
void helper_restore(void) |
3106 |
{ |
3107 |
uint32_t cwp; |
3108 |
|
3109 |
cwp = cpu_cwp_inc(env, env->cwp + 1);
|
3110 |
if (env->canrestore == 0) { |
3111 |
raise_exception(TT_FILL | (env->otherwin != 0 ?
|
3112 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
3113 |
((env->wstate & 0x7) << 2))); |
3114 |
} else {
|
3115 |
env->cansave++; |
3116 |
env->canrestore--; |
3117 |
set_cwp(cwp); |
3118 |
} |
3119 |
} |
3120 |
|
3121 |
void helper_flushw(void) |
3122 |
{ |
3123 |
if (env->cansave != env->nwindows - 2) { |
3124 |
raise_exception(TT_SPILL | (env->otherwin != 0 ?
|
3125 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
3126 |
((env->wstate & 0x7) << 2))); |
3127 |
} |
3128 |
} |
3129 |
|
3130 |
void helper_saved(void) |
3131 |
{ |
3132 |
env->cansave++; |
3133 |
if (env->otherwin == 0) |
3134 |
env->canrestore--; |
3135 |
else
|
3136 |
env->otherwin--; |
3137 |
} |
3138 |
|
3139 |
void helper_restored(void) |
3140 |
{ |
3141 |
env->canrestore++; |
3142 |
if (env->cleanwin < env->nwindows - 1) |
3143 |
env->cleanwin++; |
3144 |
if (env->otherwin == 0) |
3145 |
env->cansave--; |
3146 |
else
|
3147 |
env->otherwin--; |
3148 |
} |
3149 |
|
3150 |
target_ulong helper_rdccr(void)
|
3151 |
{ |
3152 |
return GET_CCR(env);
|
3153 |
} |
3154 |
|
3155 |
void helper_wrccr(target_ulong new_ccr)
|
3156 |
{ |
3157 |
PUT_CCR(env, new_ccr); |
3158 |
} |
3159 |
|
3160 |
// CWP handling is reversed in V9, but we still use the V8 register
|
3161 |
// order.
|
3162 |
target_ulong helper_rdcwp(void)
|
3163 |
{ |
3164 |
return GET_CWP64(env);
|
3165 |
} |
3166 |
|
3167 |
void helper_wrcwp(target_ulong new_cwp)
|
3168 |
{ |
3169 |
PUT_CWP64(env, new_cwp); |
3170 |
} |
3171 |
|
3172 |
// This function uses non-native bit order
|
3173 |
#define GET_FIELD(X, FROM, TO) \
|
3174 |
((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1)) |
3175 |
|
3176 |
// This function uses the order in the manuals, i.e. bit 0 is 2^0
|
3177 |
#define GET_FIELD_SP(X, FROM, TO) \
|
3178 |
GET_FIELD(X, 63 - (TO), 63 - (FROM)) |
3179 |
|
3180 |
target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize) |
3181 |
{ |
3182 |
return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) | |
3183 |
(GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) | |
3184 |
(GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) | |
3185 |
(GET_FIELD_SP(pixel_addr, 56, 59) << 13) | |
3186 |
(GET_FIELD_SP(pixel_addr, 35, 38) << 9) | |
3187 |
(GET_FIELD_SP(pixel_addr, 13, 16) << 5) | |
3188 |
(((pixel_addr >> 55) & 1) << 4) | |
3189 |
(GET_FIELD_SP(pixel_addr, 33, 34) << 2) | |
3190 |
GET_FIELD_SP(pixel_addr, 11, 12); |
3191 |
} |
3192 |
|
3193 |
target_ulong helper_alignaddr(target_ulong addr, target_ulong offset) |
3194 |
{ |
3195 |
uint64_t tmp; |
3196 |
|
3197 |
tmp = addr + offset; |
3198 |
env->gsr &= ~7ULL;
|
3199 |
env->gsr |= tmp & 7ULL;
|
3200 |
return tmp & ~7ULL; |
3201 |
} |
3202 |
|
3203 |
target_ulong helper_popc(target_ulong val) |
3204 |
{ |
3205 |
return ctpop64(val);
|
3206 |
} |
3207 |
|
3208 |
static inline uint64_t *get_gregset(uint64_t pstate) |
3209 |
{ |
3210 |
switch (pstate) {
|
3211 |
default:
|
3212 |
case 0: |
3213 |
return env->bgregs;
|
3214 |
case PS_AG:
|
3215 |
return env->agregs;
|
3216 |
case PS_MG:
|
3217 |
return env->mgregs;
|
3218 |
case PS_IG:
|
3219 |
return env->igregs;
|
3220 |
} |
3221 |
} |
3222 |
|
3223 |
static inline void change_pstate(uint64_t new_pstate) |
3224 |
{ |
3225 |
uint64_t pstate_regs, new_pstate_regs; |
3226 |
uint64_t *src, *dst; |
3227 |
|
3228 |
pstate_regs = env->pstate & 0xc01;
|
3229 |
new_pstate_regs = new_pstate & 0xc01;
|
3230 |
if (new_pstate_regs != pstate_regs) {
|
3231 |
// Switch global register bank
|
3232 |
src = get_gregset(new_pstate_regs); |
3233 |
dst = get_gregset(pstate_regs); |
3234 |
memcpy32(dst, env->gregs); |
3235 |
memcpy32(env->gregs, src); |
3236 |
} |
3237 |
env->pstate = new_pstate; |
3238 |
} |
3239 |
|
3240 |
void helper_wrpstate(target_ulong new_state)
|
3241 |
{ |
3242 |
if (!(env->def->features & CPU_FEATURE_GL))
|
3243 |
change_pstate(new_state & 0xf3f);
|
3244 |
} |
3245 |
|
3246 |
void helper_done(void) |
3247 |
{ |
3248 |
env->pc = env->tsptr->tpc; |
3249 |
env->npc = env->tsptr->tnpc + 4;
|
3250 |
PUT_CCR(env, env->tsptr->tstate >> 32);
|
3251 |
env->asi = (env->tsptr->tstate >> 24) & 0xff; |
3252 |
change_pstate((env->tsptr->tstate >> 8) & 0xf3f); |
3253 |
PUT_CWP64(env, env->tsptr->tstate & 0xff);
|
3254 |
env->tl--; |
3255 |
env->tsptr = &env->ts[env->tl & MAXTL_MASK]; |
3256 |
} |
3257 |
|
3258 |
void helper_retry(void) |
3259 |
{ |
3260 |
env->pc = env->tsptr->tpc; |
3261 |
env->npc = env->tsptr->tnpc; |
3262 |
PUT_CCR(env, env->tsptr->tstate >> 32);
|
3263 |
env->asi = (env->tsptr->tstate >> 24) & 0xff; |
3264 |
change_pstate((env->tsptr->tstate >> 8) & 0xf3f); |
3265 |
PUT_CWP64(env, env->tsptr->tstate & 0xff);
|
3266 |
env->tl--; |
3267 |
env->tsptr = &env->ts[env->tl & MAXTL_MASK]; |
3268 |
} |
3269 |
|
3270 |
void helper_set_softint(uint64_t value)
|
3271 |
{ |
3272 |
env->softint |= (uint32_t)value; |
3273 |
} |
3274 |
|
3275 |
void helper_clear_softint(uint64_t value)
|
3276 |
{ |
3277 |
env->softint &= (uint32_t)~value; |
3278 |
} |
3279 |
|
3280 |
void helper_write_softint(uint64_t value)
|
3281 |
{ |
3282 |
env->softint = (uint32_t)value; |
3283 |
} |
3284 |
#endif
|
3285 |
|
3286 |
void helper_flush(target_ulong addr)
|
3287 |
{ |
3288 |
addr &= ~7;
|
3289 |
tb_invalidate_page_range(addr, addr + 8);
|
3290 |
} |
3291 |
|
3292 |
#ifdef TARGET_SPARC64
|
3293 |
#ifdef DEBUG_PCALL
|
3294 |
static const char * const excp_names[0x80] = { |
3295 |
[TT_TFAULT] = "Instruction Access Fault",
|
3296 |
[TT_TMISS] = "Instruction Access MMU Miss",
|
3297 |
[TT_CODE_ACCESS] = "Instruction Access Error",
|
3298 |
[TT_ILL_INSN] = "Illegal Instruction",
|
3299 |
[TT_PRIV_INSN] = "Privileged Instruction",
|
3300 |
[TT_NFPU_INSN] = "FPU Disabled",
|
3301 |
[TT_FP_EXCP] = "FPU Exception",
|
3302 |
[TT_TOVF] = "Tag Overflow",
|
3303 |
[TT_CLRWIN] = "Clean Windows",
|
3304 |
[TT_DIV_ZERO] = "Division By Zero",
|
3305 |
[TT_DFAULT] = "Data Access Fault",
|
3306 |
[TT_DMISS] = "Data Access MMU Miss",
|
3307 |
[TT_DATA_ACCESS] = "Data Access Error",
|
3308 |
[TT_DPROT] = "Data Protection Error",
|
3309 |
[TT_UNALIGNED] = "Unaligned Memory Access",
|
3310 |
[TT_PRIV_ACT] = "Privileged Action",
|
3311 |
[TT_EXTINT | 0x1] = "External Interrupt 1", |
3312 |
[TT_EXTINT | 0x2] = "External Interrupt 2", |
3313 |
[TT_EXTINT | 0x3] = "External Interrupt 3", |
3314 |
[TT_EXTINT | 0x4] = "External Interrupt 4", |
3315 |
[TT_EXTINT | 0x5] = "External Interrupt 5", |
3316 |
[TT_EXTINT | 0x6] = "External Interrupt 6", |
3317 |
[TT_EXTINT | 0x7] = "External Interrupt 7", |
3318 |
[TT_EXTINT | 0x8] = "External Interrupt 8", |
3319 |
[TT_EXTINT | 0x9] = "External Interrupt 9", |
3320 |
[TT_EXTINT | 0xa] = "External Interrupt 10", |
3321 |
[TT_EXTINT | 0xb] = "External Interrupt 11", |
3322 |
[TT_EXTINT | 0xc] = "External Interrupt 12", |
3323 |
[TT_EXTINT | 0xd] = "External Interrupt 13", |
3324 |
[TT_EXTINT | 0xe] = "External Interrupt 14", |
3325 |
[TT_EXTINT | 0xf] = "External Interrupt 15", |
3326 |
}; |
3327 |
#endif
|
3328 |
|
3329 |
void do_interrupt(CPUState *env)
|
3330 |
{ |
3331 |
int intno = env->exception_index;
|
3332 |
|
3333 |
#ifdef DEBUG_PCALL
|
3334 |
if (qemu_loglevel_mask(CPU_LOG_INT)) {
|
3335 |
static int count; |
3336 |
const char *name; |
3337 |
|
3338 |
if (intno < 0 || intno >= 0x180) |
3339 |
name = "Unknown";
|
3340 |
else if (intno >= 0x100) |
3341 |
name = "Trap Instruction";
|
3342 |
else if (intno >= 0xc0) |
3343 |
name = "Window Fill";
|
3344 |
else if (intno >= 0x80) |
3345 |
name = "Window Spill";
|
3346 |
else {
|
3347 |
name = excp_names[intno]; |
3348 |
if (!name)
|
3349 |
name = "Unknown";
|
3350 |
} |
3351 |
|
3352 |
qemu_log("%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64 |
3353 |
" SP=%016" PRIx64 "\n", |
3354 |
count, name, intno, |
3355 |
env->pc, |
3356 |
env->npc, env->regwptr[6]);
|
3357 |
log_cpu_state(env, 0);
|
3358 |
#if 0
|
3359 |
{
|
3360 |
int i;
|
3361 |
uint8_t *ptr;
|
3362 |
|
3363 |
qemu_log(" code=");
|
3364 |
ptr = (uint8_t *)env->pc;
|
3365 |
for(i = 0; i < 16; i++) {
|
3366 |
qemu_log(" %02x", ldub(ptr + i));
|
3367 |
}
|
3368 |
qemu_log("\n");
|
3369 |
}
|
3370 |
#endif
|
3371 |
count++; |
3372 |
} |
3373 |
#endif
|
3374 |
#if !defined(CONFIG_USER_ONLY)
|
3375 |
if (env->tl >= env->maxtl) {
|
3376 |
cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
|
3377 |
" Error state", env->exception_index, env->tl, env->maxtl);
|
3378 |
return;
|
3379 |
} |
3380 |
#endif
|
3381 |
if (env->tl < env->maxtl - 1) { |
3382 |
env->tl++; |
3383 |
} else {
|
3384 |
env->pstate |= PS_RED; |
3385 |
if (env->tl < env->maxtl)
|
3386 |
env->tl++; |
3387 |
} |
3388 |
env->tsptr = &env->ts[env->tl & MAXTL_MASK]; |
3389 |
env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
|
3390 |
((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) | |
3391 |
GET_CWP64(env); |
3392 |
env->tsptr->tpc = env->pc; |
3393 |
env->tsptr->tnpc = env->npc; |
3394 |
env->tsptr->tt = intno; |
3395 |
if (!(env->def->features & CPU_FEATURE_GL)) {
|
3396 |
switch (intno) {
|
3397 |
case TT_IVEC:
|
3398 |
change_pstate(PS_PEF | PS_PRIV | PS_IG); |
3399 |
break;
|
3400 |
case TT_TFAULT:
|
3401 |
case TT_TMISS:
|
3402 |
case TT_DFAULT:
|
3403 |
case TT_DMISS:
|
3404 |
case TT_DPROT:
|
3405 |
change_pstate(PS_PEF | PS_PRIV | PS_MG); |
3406 |
break;
|
3407 |
default:
|
3408 |
change_pstate(PS_PEF | PS_PRIV | PS_AG); |
3409 |
break;
|
3410 |
} |
3411 |
} |
3412 |
if (intno == TT_CLRWIN)
|
3413 |
cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
|
3414 |
else if ((intno & 0x1c0) == TT_SPILL) |
3415 |
cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
|
3416 |
else if ((intno & 0x1c0) == TT_FILL) |
3417 |
cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
|
3418 |
env->tbr &= ~0x7fffULL;
|
3419 |
env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5); |
3420 |
env->pc = env->tbr; |
3421 |
env->npc = env->pc + 4;
|
3422 |
env->exception_index = 0;
|
3423 |
} |
3424 |
#else
|
3425 |
#ifdef DEBUG_PCALL
|
3426 |
static const char * const excp_names[0x80] = { |
3427 |
[TT_TFAULT] = "Instruction Access Fault",
|
3428 |
[TT_ILL_INSN] = "Illegal Instruction",
|
3429 |
[TT_PRIV_INSN] = "Privileged Instruction",
|
3430 |
[TT_NFPU_INSN] = "FPU Disabled",
|
3431 |
[TT_WIN_OVF] = "Window Overflow",
|
3432 |
[TT_WIN_UNF] = "Window Underflow",
|
3433 |
[TT_UNALIGNED] = "Unaligned Memory Access",
|
3434 |
[TT_FP_EXCP] = "FPU Exception",
|
3435 |
[TT_DFAULT] = "Data Access Fault",
|
3436 |
[TT_TOVF] = "Tag Overflow",
|
3437 |
[TT_EXTINT | 0x1] = "External Interrupt 1", |
3438 |
[TT_EXTINT | 0x2] = "External Interrupt 2", |
3439 |
[TT_EXTINT | 0x3] = "External Interrupt 3", |
3440 |
[TT_EXTINT | 0x4] = "External Interrupt 4", |
3441 |
[TT_EXTINT | 0x5] = "External Interrupt 5", |
3442 |
[TT_EXTINT | 0x6] = "External Interrupt 6", |
3443 |
[TT_EXTINT | 0x7] = "External Interrupt 7", |
3444 |
[TT_EXTINT | 0x8] = "External Interrupt 8", |
3445 |
[TT_EXTINT | 0x9] = "External Interrupt 9", |
3446 |
[TT_EXTINT | 0xa] = "External Interrupt 10", |
3447 |
[TT_EXTINT | 0xb] = "External Interrupt 11", |
3448 |
[TT_EXTINT | 0xc] = "External Interrupt 12", |
3449 |
[TT_EXTINT | 0xd] = "External Interrupt 13", |
3450 |
[TT_EXTINT | 0xe] = "External Interrupt 14", |
3451 |
[TT_EXTINT | 0xf] = "External Interrupt 15", |
3452 |
[TT_TOVF] = "Tag Overflow",
|
3453 |
[TT_CODE_ACCESS] = "Instruction Access Error",
|
3454 |
[TT_DATA_ACCESS] = "Data Access Error",
|
3455 |
[TT_DIV_ZERO] = "Division By Zero",
|
3456 |
[TT_NCP_INSN] = "Coprocessor Disabled",
|
3457 |
}; |
3458 |
#endif
|
3459 |
|
3460 |
void do_interrupt(CPUState *env)
|
3461 |
{ |
3462 |
int cwp, intno = env->exception_index;
|
3463 |
|
3464 |
#ifdef DEBUG_PCALL
|
3465 |
if (qemu_loglevel_mask(CPU_LOG_INT)) {
|
3466 |
static int count; |
3467 |
const char *name; |
3468 |
|
3469 |
if (intno < 0 || intno >= 0x100) |
3470 |
name = "Unknown";
|
3471 |
else if (intno >= 0x80) |
3472 |
name = "Trap Instruction";
|
3473 |
else {
|
3474 |
name = excp_names[intno]; |
3475 |
if (!name)
|
3476 |
name = "Unknown";
|
3477 |
} |
3478 |
|
3479 |
qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
|
3480 |
count, name, intno, |
3481 |
env->pc, |
3482 |
env->npc, env->regwptr[6]);
|
3483 |
log_cpu_state(env, 0);
|
3484 |
#if 0
|
3485 |
{
|
3486 |
int i;
|
3487 |
uint8_t *ptr;
|
3488 |
|
3489 |
qemu_log(" code=");
|
3490 |
ptr = (uint8_t *)env->pc;
|
3491 |
for(i = 0; i < 16; i++) {
|
3492 |
qemu_log(" %02x", ldub(ptr + i));
|
3493 |
}
|
3494 |
qemu_log("\n");
|
3495 |
}
|
3496 |
#endif
|
3497 |
count++; |
3498 |
} |
3499 |
#endif
|
3500 |
#if !defined(CONFIG_USER_ONLY)
|
3501 |
if (env->psret == 0) { |
3502 |
cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
|
3503 |
env->exception_index); |
3504 |
return;
|
3505 |
} |
3506 |
#endif
|
3507 |
env->psret = 0;
|
3508 |
cwp = cpu_cwp_dec(env, env->cwp - 1);
|
3509 |
cpu_set_cwp(env, cwp); |
3510 |
env->regwptr[9] = env->pc;
|
3511 |
env->regwptr[10] = env->npc;
|
3512 |
env->psrps = env->psrs; |
3513 |
env->psrs = 1;
|
3514 |
env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
|
3515 |
env->pc = env->tbr; |
3516 |
env->npc = env->pc + 4;
|
3517 |
env->exception_index = 0;
|
3518 |
} |
3519 |
#endif
|
3520 |
|
3521 |
#if !defined(CONFIG_USER_ONLY)
|
3522 |
|
3523 |
static void do_unaligned_access(target_ulong addr, int is_write, int is_user, |
3524 |
void *retaddr);
|
3525 |
|
3526 |
#define MMUSUFFIX _mmu
|
3527 |
#define ALIGNED_ONLY
|
3528 |
|
3529 |
#define SHIFT 0 |
3530 |
#include "softmmu_template.h" |
3531 |
|
3532 |
#define SHIFT 1 |
3533 |
#include "softmmu_template.h" |
3534 |
|
3535 |
#define SHIFT 2 |
3536 |
#include "softmmu_template.h" |
3537 |
|
3538 |
#define SHIFT 3 |
3539 |
#include "softmmu_template.h" |
3540 |
|
3541 |
/* XXX: make it generic ? */
|
3542 |
static void cpu_restore_state2(void *retaddr) |
3543 |
{ |
3544 |
TranslationBlock *tb; |
3545 |
unsigned long pc; |
3546 |
|
3547 |
if (retaddr) {
|
3548 |
/* now we have a real cpu fault */
|
3549 |
pc = (unsigned long)retaddr; |
3550 |
tb = tb_find_pc(pc); |
3551 |
if (tb) {
|
3552 |
/* the PC is inside the translated code. It means that we have
|
3553 |
a virtual CPU fault */
|
3554 |
cpu_restore_state(tb, env, pc, (void *)(long)env->cond); |
3555 |
} |
3556 |
} |
3557 |
} |
3558 |
|
3559 |
static void do_unaligned_access(target_ulong addr, int is_write, int is_user, |
3560 |
void *retaddr)
|
3561 |
{ |
3562 |
#ifdef DEBUG_UNALIGNED
|
3563 |
printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx |
3564 |
"\n", addr, env->pc);
|
3565 |
#endif
|
3566 |
cpu_restore_state2(retaddr); |
3567 |
raise_exception(TT_UNALIGNED); |
3568 |
} |
3569 |
|
3570 |
/* try to fill the TLB and return an exception if error. If retaddr is
|
3571 |
NULL, it means that the function was called in C code (i.e. not
|
3572 |
from generated code or from helper.c) */
|
3573 |
/* XXX: fix it to restore all registers */
|
3574 |
void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr) |
3575 |
{ |
3576 |
int ret;
|
3577 |
CPUState *saved_env; |
3578 |
|
3579 |
/* XXX: hack to restore env in all cases, even if not called from
|
3580 |
generated code */
|
3581 |
saved_env = env; |
3582 |
env = cpu_single_env; |
3583 |
|
3584 |
ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
|
3585 |
if (ret) {
|
3586 |
cpu_restore_state2(retaddr); |
3587 |
cpu_loop_exit(); |
3588 |
} |
3589 |
env = saved_env; |
3590 |
} |
3591 |
|
3592 |
#endif
|
3593 |
|
3594 |
#ifndef TARGET_SPARC64
|
3595 |
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
3596 |
int is_asi, int size) |
3597 |
{ |
3598 |
CPUState *saved_env; |
3599 |
|
3600 |
/* XXX: hack to restore env in all cases, even if not called from
|
3601 |
generated code */
|
3602 |
saved_env = env; |
3603 |
env = cpu_single_env; |
3604 |
#ifdef DEBUG_UNASSIGNED
|
3605 |
if (is_asi)
|
3606 |
printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
|
3607 |
" asi 0x%02x from " TARGET_FMT_lx "\n", |
3608 |
is_exec ? "exec" : is_write ? "write" : "read", size, |
3609 |
size == 1 ? "" : "s", addr, is_asi, env->pc); |
3610 |
else
|
3611 |
printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
|
3612 |
" from " TARGET_FMT_lx "\n", |
3613 |
is_exec ? "exec" : is_write ? "write" : "read", size, |
3614 |
size == 1 ? "" : "s", addr, env->pc); |
3615 |
#endif
|
3616 |
if (env->mmuregs[3]) /* Fault status register */ |
3617 |
env->mmuregs[3] = 1; /* overflow (not read before another fault) */ |
3618 |
if (is_asi)
|
3619 |
env->mmuregs[3] |= 1 << 16; |
3620 |
if (env->psrs)
|
3621 |
env->mmuregs[3] |= 1 << 5; |
3622 |
if (is_exec)
|
3623 |
env->mmuregs[3] |= 1 << 6; |
3624 |
if (is_write)
|
3625 |
env->mmuregs[3] |= 1 << 7; |
3626 |
env->mmuregs[3] |= (5 << 2) | 2; |
3627 |
env->mmuregs[4] = addr; /* Fault address register */ |
3628 |
if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) { |
3629 |
if (is_exec)
|
3630 |
raise_exception(TT_CODE_ACCESS); |
3631 |
else
|
3632 |
raise_exception(TT_DATA_ACCESS); |
3633 |
} |
3634 |
env = saved_env; |
3635 |
} |
3636 |
#else
|
3637 |
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
3638 |
int is_asi, int size) |
3639 |
{ |
3640 |
#ifdef DEBUG_UNASSIGNED
|
3641 |
CPUState *saved_env; |
3642 |
|
3643 |
/* XXX: hack to restore env in all cases, even if not called from
|
3644 |
generated code */
|
3645 |
saved_env = env; |
3646 |
env = cpu_single_env; |
3647 |
printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx |
3648 |
"\n", addr, env->pc);
|
3649 |
env = saved_env; |
3650 |
#endif
|
3651 |
if (is_exec)
|
3652 |
raise_exception(TT_CODE_ACCESS); |
3653 |
else
|
3654 |
raise_exception(TT_DATA_ACCESS); |
3655 |
} |
3656 |
#endif
|
3657 |
|
3658 |
#ifdef TARGET_SPARC64
|
3659 |
void helper_tick_set_count(void *opaque, uint64_t count) |
3660 |
{ |
3661 |
#if !defined(CONFIG_USER_ONLY)
|
3662 |
cpu_tick_set_count(opaque, count); |
3663 |
#endif
|
3664 |
} |
3665 |
|
3666 |
uint64_t helper_tick_get_count(void *opaque)
|
3667 |
{ |
3668 |
#if !defined(CONFIG_USER_ONLY)
|
3669 |
return cpu_tick_get_count(opaque);
|
3670 |
#else
|
3671 |
return 0; |
3672 |
#endif
|
3673 |
} |
3674 |
|
3675 |
void helper_tick_set_limit(void *opaque, uint64_t limit) |
3676 |
{ |
3677 |
#if !defined(CONFIG_USER_ONLY)
|
3678 |
cpu_tick_set_limit(opaque, limit); |
3679 |
#endif
|
3680 |
} |
3681 |
#endif
|