root / target-sparc / op_helper.c @ bdf9f35d
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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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|
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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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#define F_HELPER(name, p) void helper_f##name##p(void) |
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|
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#define F_BINOP(name) \
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float32 helper_f ## name ## s (float32 src1, float32 src2) \ |
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{ \
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return float32_ ## name (src1, src2, &env->fp_status); \ |
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} \ |
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F_HELPER(name, d) \ |
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{ \
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DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \ |
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} \ |
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F_HELPER(name, q) \ |
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{ \
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QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \ |
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} |
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|
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F_BINOP(add); |
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F_BINOP(sub); |
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F_BINOP(mul); |
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F_BINOP(div); |
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#undef F_BINOP
|
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|
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void helper_fsmuld(float32 src1, float32 src2)
|
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{
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DT0 = float64_mul(float32_to_float64(src1, &env->fp_status), |
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float32_to_float64(src2, &env->fp_status), |
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&env->fp_status); |
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} |
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|
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void helper_fdmulq(void) |
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{
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QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status), |
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float64_to_float128(DT1, &env->fp_status), |
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&env->fp_status); |
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} |
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|
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float32 helper_fnegs(float32 src) |
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{
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return float32_chs(src);
|
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} |
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|
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#ifdef TARGET_SPARC64
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F_HELPER(neg, d) |
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{
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DT0 = float64_chs(DT1); |
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} |
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|
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F_HELPER(neg, q) |
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{
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QT0 = float128_chs(QT1); |
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} |
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#endif
|
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|
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/* Integer to float conversion. */
|
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float32 helper_fitos(int32_t src) |
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{
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return int32_to_float32(src, &env->fp_status);
|
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} |
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|
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void helper_fitod(int32_t src)
|
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{
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DT0 = int32_to_float64(src, &env->fp_status); |
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} |
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|
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void helper_fitoq(int32_t src)
|
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{
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QT0 = int32_to_float128(src, &env->fp_status); |
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} |
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|
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#ifdef TARGET_SPARC64
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float32 helper_fxtos(void)
|
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{
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return int64_to_float32(*((int64_t *)&DT1), &env->fp_status);
|
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} |
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|
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F_HELPER(xto, d) |
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{
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DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status); |
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} |
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|
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F_HELPER(xto, q) |
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{
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QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status); |
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} |
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#endif
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#undef F_HELPER
|
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|
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/* floating point conversion */
|
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float32 helper_fdtos(void)
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{
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return float64_to_float32(DT1, &env->fp_status);
|
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} |
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|
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void helper_fstod(float32 src)
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{
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DT0 = float32_to_float64(src, &env->fp_status); |
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} |
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|
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float32 helper_fqtos(void)
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{
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return float128_to_float32(QT1, &env->fp_status);
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} |
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|
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void helper_fstoq(float32 src)
|
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{
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QT0 = float32_to_float128(src, &env->fp_status); |
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} |
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|
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void helper_fqtod(void) |
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{
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DT0 = float128_to_float64(QT1, &env->fp_status); |
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} |
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|
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void helper_fdtoq(void) |
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{
|
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QT0 = float64_to_float128(DT1, &env->fp_status); |
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} |
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|
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/* Float to integer conversion. */
|
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int32_t helper_fstoi(float32 src) |
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{
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return float32_to_int32_round_to_zero(src, &env->fp_status);
|
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} |
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|
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int32_t helper_fdtoi(void)
|
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{
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return float64_to_int32_round_to_zero(DT1, &env->fp_status);
|
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} |
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|
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int32_t helper_fqtoi(void)
|
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{
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return float128_to_int32_round_to_zero(QT1, &env->fp_status);
|
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} |
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|
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#ifdef TARGET_SPARC64
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void helper_fstox(float32 src)
|
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{
|
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*((int64_t *)&DT0) = float32_to_int64_round_to_zero(src, &env->fp_status); |
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} |
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|
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void helper_fdtox(void) |
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{
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*((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status); |
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} |
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|
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void helper_fqtox(void) |
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{
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*((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status); |
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} |
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|
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void helper_faligndata(void) |
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{
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uint64_t tmp; |
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|
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tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8); |
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/* on many architectures a shift of 64 does nothing */
|
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if ((env->gsr & 7) != 0) { |
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tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8); |
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} |
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*((uint64_t *)&DT0) = tmp; |
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} |
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|
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#ifdef WORDS_BIGENDIAN
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#define VIS_B64(n) b[7 - (n)] |
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#define VIS_W64(n) w[3 - (n)] |
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#define VIS_SW64(n) sw[3 - (n)] |
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#define VIS_L64(n) l[1 - (n)] |
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#define VIS_B32(n) b[3 - (n)] |
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#define VIS_W32(n) w[1 - (n)] |
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#else
|
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#define VIS_B64(n) b[n]
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#define VIS_W64(n) w[n]
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#define VIS_SW64(n) sw[n]
|
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#define VIS_L64(n) l[n]
|
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#define VIS_B32(n) b[n]
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#define VIS_W32(n) w[n]
|
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#endif
|
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|
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typedef union { |
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uint8_t b[8];
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uint16_t w[4];
|
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int16_t sw[4];
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uint32_t l[2];
|
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float64 d; |
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} vis64; |
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|
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typedef union { |
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uint8_t b[4];
|
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uint16_t w[2];
|
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uint32_t l; |
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float32 f; |
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} vis32; |
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|
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void helper_fpmerge(void) |
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{
|
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vis64 s, d; |
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|
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s.d = DT0; |
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d.d = DT1; |
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|
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// Reverse calculation order to handle overlap
|
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d.VIS_B64(7) = s.VIS_B64(3); |
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d.VIS_B64(6) = d.VIS_B64(3); |
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d.VIS_B64(5) = s.VIS_B64(2); |
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d.VIS_B64(4) = d.VIS_B64(2); |
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d.VIS_B64(3) = s.VIS_B64(1); |
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d.VIS_B64(2) = d.VIS_B64(1); |
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d.VIS_B64(1) = s.VIS_B64(0); |
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//d.VIS_B64(0) = d.VIS_B64(0);
|
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|
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DT0 = d.d; |
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} |
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|
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void helper_fmul8x16(void) |
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{
|
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vis64 s, d; |
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uint32_t tmp; |
| 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; |
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} |
| 362 |
|
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void helper_fmul8x16al(void) |
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{
|
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vis64 s, d; |
| 366 |
uint32_t tmp; |
| 367 |
|
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s.d = DT0; |
| 369 |
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 |
|
| 386 |
void helper_fmul8x16au(void) |
| 387 |
{
|
| 388 |
vis64 s, d; |
| 389 |
uint32_t tmp; |
| 390 |
|
| 391 |
s.d = DT0; |
| 392 |
d.d = DT1; |
| 393 |
|
| 394 |
#define PMUL(r) \
|
| 395 |
tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \
|
| 396 |
if ((tmp & 0xff) > 0x7f) \ |
| 397 |
tmp += 0x100; \
|
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d.VIS_W64(r) = tmp >> 8;
|
| 399 |
|
| 400 |
PMUL(0);
|
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PMUL(1);
|
| 402 |
PMUL(2);
|
| 403 |
PMUL(3);
|
| 404 |
#undef PMUL
|
| 405 |
|
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DT0 = d.d; |
| 407 |
} |
| 408 |
|
| 409 |
void helper_fmul8sux16(void) |
| 410 |
{
|
| 411 |
vis64 s, d; |
| 412 |
uint32_t tmp; |
| 413 |
|
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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; \
|
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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_C_add_icc(target_ulong dst, target_ulong src1) |
| 794 |
{
|
| 795 |
uint32_t ret = 0;
|
| 796 |
|
| 797 |
if ((dst & 0xffffffffULL) < (src1 & 0xffffffffULL)) |
| 798 |
ret |= PSR_CARRY; |
| 799 |
return ret;
|
| 800 |
} |
| 801 |
|
| 802 |
static inline uint32_t get_V_add_icc(target_ulong dst, target_ulong src1, |
| 803 |
target_ulong src2) |
| 804 |
{
|
| 805 |
uint32_t ret = 0;
|
| 806 |
|
| 807 |
if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 31)) |
| 808 |
ret |= PSR_OVF; |
| 809 |
return ret;
|
| 810 |
} |
| 811 |
|
| 812 |
static uint32_t compute_all_add(void) |
| 813 |
{
|
| 814 |
uint32_t ret; |
| 815 |
|
| 816 |
ret = get_NZ_icc(CC_DST); |
| 817 |
ret |= get_C_add_icc(CC_DST, CC_SRC); |
| 818 |
ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2); |
| 819 |
return ret;
|
| 820 |
} |
| 821 |
|
| 822 |
static uint32_t compute_C_add(void) |
| 823 |
{
|
| 824 |
return get_C_add_icc(CC_DST, CC_SRC);
|
| 825 |
} |
| 826 |
|
| 827 |
#ifdef TARGET_SPARC64
|
| 828 |
static inline uint32_t get_C_add_xcc(target_ulong dst, target_ulong src1) |
| 829 |
{
|
| 830 |
uint32_t ret = 0;
|
| 831 |
|
| 832 |
if (dst < src1)
|
| 833 |
ret |= PSR_CARRY; |
| 834 |
return ret;
|
| 835 |
} |
| 836 |
|
| 837 |
static inline uint32_t get_V_add_xcc(target_ulong dst, target_ulong src1, |
| 838 |
target_ulong src2) |
| 839 |
{
|
| 840 |
uint32_t ret = 0;
|
| 841 |
|
| 842 |
if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 63)) |
| 843 |
ret |= PSR_OVF; |
| 844 |
return ret;
|
| 845 |
} |
| 846 |
|
| 847 |
static uint32_t compute_all_add_xcc(void) |
| 848 |
{
|
| 849 |
uint32_t ret; |
| 850 |
|
| 851 |
ret = get_NZ_xcc(CC_DST); |
| 852 |
ret |= get_C_add_xcc(CC_DST, CC_SRC); |
| 853 |
ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2); |
| 854 |
return ret;
|
| 855 |
} |
| 856 |
|
| 857 |
static uint32_t compute_C_add_xcc(void) |
| 858 |
{
|
| 859 |
return get_C_add_xcc(CC_DST, CC_SRC);
|
| 860 |
} |
| 861 |
#endif
|
| 862 |
|
| 863 |
typedef struct CCTable { |
| 864 |
uint32_t (*compute_all)(void); /* return all the flags */ |
| 865 |
uint32_t (*compute_c)(void); /* return the C flag */ |
| 866 |
} CCTable; |
| 867 |
|
| 868 |
static const CCTable icc_table[CC_OP_NB] = { |
| 869 |
/* CC_OP_DYNAMIC should never happen */
|
| 870 |
[CC_OP_FLAGS] = { compute_all_flags, compute_C_flags },
|
| 871 |
[CC_OP_ADD] = { compute_all_add, compute_C_add },
|
| 872 |
}; |
| 873 |
|
| 874 |
#ifdef TARGET_SPARC64
|
| 875 |
static const CCTable xcc_table[CC_OP_NB] = { |
| 876 |
/* CC_OP_DYNAMIC should never happen */
|
| 877 |
[CC_OP_FLAGS] = { compute_all_flags_xcc, compute_C_flags_xcc },
|
| 878 |
[CC_OP_ADD] = { compute_all_add_xcc, compute_C_add_xcc },
|
| 879 |
}; |
| 880 |
#endif
|
| 881 |
|
| 882 |
void helper_compute_psr(void) |
| 883 |
{
|
| 884 |
uint32_t new_psr; |
| 885 |
|
| 886 |
new_psr = icc_table[CC_OP].compute_all(); |
| 887 |
env->psr = new_psr; |
| 888 |
#ifdef TARGET_SPARC64
|
| 889 |
new_psr = xcc_table[CC_OP].compute_all(); |
| 890 |
env->xcc = new_psr; |
| 891 |
#endif
|
| 892 |
CC_OP = CC_OP_FLAGS; |
| 893 |
} |
| 894 |
|
| 895 |
uint32_t helper_compute_C_icc(void)
|
| 896 |
{
|
| 897 |
uint32_t ret; |
| 898 |
|
| 899 |
ret = icc_table[CC_OP].compute_c() >> PSR_CARRY_SHIFT; |
| 900 |
return ret;
|
| 901 |
} |
| 902 |
|
| 903 |
#ifdef TARGET_SPARC64
|
| 904 |
GEN_FCMPS(fcmps_fcc1, float32, 22, 0); |
| 905 |
GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0); |
| 906 |
GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0); |
| 907 |
|
| 908 |
GEN_FCMPS(fcmps_fcc2, float32, 24, 0); |
| 909 |
GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0); |
| 910 |
GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0); |
| 911 |
|
| 912 |
GEN_FCMPS(fcmps_fcc3, float32, 26, 0); |
| 913 |
GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0); |
| 914 |
GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0); |
| 915 |
|
| 916 |
GEN_FCMPS(fcmpes_fcc1, float32, 22, 1); |
| 917 |
GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1); |
| 918 |
GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1); |
| 919 |
|
| 920 |
GEN_FCMPS(fcmpes_fcc2, float32, 24, 1); |
| 921 |
GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1); |
| 922 |
GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1); |
| 923 |
|
| 924 |
GEN_FCMPS(fcmpes_fcc3, float32, 26, 1); |
| 925 |
GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1); |
| 926 |
GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1); |
| 927 |
#endif
|
| 928 |
#undef GEN_FCMPS
|
| 929 |
|
| 930 |
#if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
|
| 931 |
defined(DEBUG_MXCC) |
| 932 |
static void dump_mxcc(CPUState *env) |
| 933 |
{
|
| 934 |
printf("mxccdata: %016llx %016llx %016llx %016llx\n",
|
| 935 |
env->mxccdata[0], env->mxccdata[1], |
| 936 |
env->mxccdata[2], env->mxccdata[3]); |
| 937 |
printf("mxccregs: %016llx %016llx %016llx %016llx\n"
|
| 938 |
" %016llx %016llx %016llx %016llx\n",
|
| 939 |
env->mxccregs[0], env->mxccregs[1], |
| 940 |
env->mxccregs[2], env->mxccregs[3], |
| 941 |
env->mxccregs[4], env->mxccregs[5], |
| 942 |
env->mxccregs[6], env->mxccregs[7]); |
| 943 |
} |
| 944 |
#endif
|
| 945 |
|
| 946 |
#if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
|
| 947 |
&& defined(DEBUG_ASI) |
| 948 |
static void dump_asi(const char *txt, target_ulong addr, int asi, int size, |
| 949 |
uint64_t r1) |
| 950 |
{
|
| 951 |
switch (size)
|
| 952 |
{
|
| 953 |
case 1: |
| 954 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt, |
| 955 |
addr, asi, r1 & 0xff);
|
| 956 |
break;
|
| 957 |
case 2: |
| 958 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt, |
| 959 |
addr, asi, r1 & 0xffff);
|
| 960 |
break;
|
| 961 |
case 4: |
| 962 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt, |
| 963 |
addr, asi, r1 & 0xffffffff);
|
| 964 |
break;
|
| 965 |
case 8: |
| 966 |
DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt, |
| 967 |
addr, asi, r1); |
| 968 |
break;
|
| 969 |
} |
| 970 |
} |
| 971 |
#endif
|
| 972 |
|
| 973 |
#ifndef TARGET_SPARC64
|
| 974 |
#ifndef CONFIG_USER_ONLY
|
| 975 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
| 976 |
{
|
| 977 |
uint64_t ret = 0;
|
| 978 |
#if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
|
| 979 |
uint32_t last_addr = addr; |
| 980 |
#endif
|
| 981 |
|
| 982 |
helper_check_align(addr, size - 1);
|
| 983 |
switch (asi) {
|
| 984 |
case 2: /* SuperSparc MXCC registers */ |
| 985 |
switch (addr) {
|
| 986 |
case 0x01c00a00: /* MXCC control register */ |
| 987 |
if (size == 8) |
| 988 |
ret = env->mxccregs[3];
|
| 989 |
else
|
| 990 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 991 |
size); |
| 992 |
break;
|
| 993 |
case 0x01c00a04: /* MXCC control register */ |
| 994 |
if (size == 4) |
| 995 |
ret = env->mxccregs[3];
|
| 996 |
else
|
| 997 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 998 |
size); |
| 999 |
break;
|
| 1000 |
case 0x01c00c00: /* Module reset register */ |
| 1001 |
if (size == 8) { |
| 1002 |
ret = env->mxccregs[5];
|
| 1003 |
// should we do something here?
|
| 1004 |
} else
|
| 1005 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1006 |
size); |
| 1007 |
break;
|
| 1008 |
case 0x01c00f00: /* MBus port address register */ |
| 1009 |
if (size == 8) |
| 1010 |
ret = env->mxccregs[7];
|
| 1011 |
else
|
| 1012 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1013 |
size); |
| 1014 |
break;
|
| 1015 |
default:
|
| 1016 |
DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
|
| 1017 |
size); |
| 1018 |
break;
|
| 1019 |
} |
| 1020 |
DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
|
| 1021 |
"addr = %08x -> ret = %" PRIx64 "," |
| 1022 |
"addr = %08x\n", asi, size, sign, last_addr, ret, addr);
|
| 1023 |
#ifdef DEBUG_MXCC
|
| 1024 |
dump_mxcc(env); |
| 1025 |
#endif
|
| 1026 |
break;
|
| 1027 |
case 3: /* MMU probe */ |
| 1028 |
{
|
| 1029 |
int mmulev;
|
| 1030 |
|
| 1031 |
mmulev = (addr >> 8) & 15; |
| 1032 |
if (mmulev > 4) |
| 1033 |
ret = 0;
|
| 1034 |
else
|
| 1035 |
ret = mmu_probe(env, addr, mmulev); |
| 1036 |
DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n", |
| 1037 |
addr, mmulev, ret); |
| 1038 |
} |
| 1039 |
break;
|
| 1040 |
case 4: /* read MMU regs */ |
| 1041 |
{
|
| 1042 |
int reg = (addr >> 8) & 0x1f; |
| 1043 |
|
| 1044 |
ret = env->mmuregs[reg]; |
| 1045 |
if (reg == 3) /* Fault status cleared on read */ |
| 1046 |
env->mmuregs[3] = 0; |
| 1047 |
else if (reg == 0x13) /* Fault status read */ |
| 1048 |
ret = env->mmuregs[3];
|
| 1049 |
else if (reg == 0x14) /* Fault address read */ |
| 1050 |
ret = env->mmuregs[4];
|
| 1051 |
DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret); |
| 1052 |
} |
| 1053 |
break;
|
| 1054 |
case 5: // Turbosparc ITLB Diagnostic |
| 1055 |
case 6: // Turbosparc DTLB Diagnostic |
| 1056 |
case 7: // Turbosparc IOTLB Diagnostic |
| 1057 |
break;
|
| 1058 |
case 9: /* Supervisor code access */ |
| 1059 |
switch(size) {
|
| 1060 |
case 1: |
| 1061 |
ret = ldub_code(addr); |
| 1062 |
break;
|
| 1063 |
case 2: |
| 1064 |
ret = lduw_code(addr); |
| 1065 |
break;
|
| 1066 |
default:
|
| 1067 |
case 4: |
| 1068 |
ret = ldl_code(addr); |
| 1069 |
break;
|
| 1070 |
case 8: |
| 1071 |
ret = ldq_code(addr); |
| 1072 |
break;
|
| 1073 |
} |
| 1074 |
break;
|
| 1075 |
case 0xa: /* User data access */ |
| 1076 |
switch(size) {
|
| 1077 |
case 1: |
| 1078 |
ret = ldub_user(addr); |
| 1079 |
break;
|
| 1080 |
case 2: |
| 1081 |
ret = lduw_user(addr); |
| 1082 |
break;
|
| 1083 |
default:
|
| 1084 |
case 4: |
| 1085 |
ret = ldl_user(addr); |
| 1086 |
break;
|
| 1087 |
case 8: |
| 1088 |
ret = ldq_user(addr); |
| 1089 |
break;
|
| 1090 |
} |
| 1091 |
break;
|
| 1092 |
case 0xb: /* Supervisor data access */ |
| 1093 |
switch(size) {
|
| 1094 |
case 1: |
| 1095 |
ret = ldub_kernel(addr); |
| 1096 |
break;
|
| 1097 |
case 2: |
| 1098 |
ret = lduw_kernel(addr); |
| 1099 |
break;
|
| 1100 |
default:
|
| 1101 |
case 4: |
| 1102 |
ret = ldl_kernel(addr); |
| 1103 |
break;
|
| 1104 |
case 8: |
| 1105 |
ret = ldq_kernel(addr); |
| 1106 |
break;
|
| 1107 |
} |
| 1108 |
break;
|
| 1109 |
case 0xc: /* I-cache tag */ |
| 1110 |
case 0xd: /* I-cache data */ |
| 1111 |
case 0xe: /* D-cache tag */ |
| 1112 |
case 0xf: /* D-cache data */ |
| 1113 |
break;
|
| 1114 |
case 0x20: /* MMU passthrough */ |
| 1115 |
switch(size) {
|
| 1116 |
case 1: |
| 1117 |
ret = ldub_phys(addr); |
| 1118 |
break;
|
| 1119 |
case 2: |
| 1120 |
ret = lduw_phys(addr); |
| 1121 |
break;
|
| 1122 |
default:
|
| 1123 |
case 4: |
| 1124 |
ret = ldl_phys(addr); |
| 1125 |
break;
|
| 1126 |
case 8: |
| 1127 |
ret = ldq_phys(addr); |
| 1128 |
break;
|
| 1129 |
} |
| 1130 |
break;
|
| 1131 |
case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */ |
| 1132 |
switch(size) {
|
| 1133 |
case 1: |
| 1134 |
ret = ldub_phys((target_phys_addr_t)addr |
| 1135 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
| 1136 |
break;
|
| 1137 |
case 2: |
| 1138 |
ret = lduw_phys((target_phys_addr_t)addr |
| 1139 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
| 1140 |
break;
|
| 1141 |
default:
|
| 1142 |
case 4: |
| 1143 |
ret = ldl_phys((target_phys_addr_t)addr |
| 1144 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
| 1145 |
break;
|
| 1146 |
case 8: |
| 1147 |
ret = ldq_phys((target_phys_addr_t)addr |
| 1148 |
| ((target_phys_addr_t)(asi & 0xf) << 32)); |
| 1149 |
break;
|
| 1150 |
} |
| 1151 |
break;
|
| 1152 |
case 0x30: // Turbosparc secondary cache diagnostic |
| 1153 |
case 0x31: // Turbosparc RAM snoop |
| 1154 |
case 0x32: // Turbosparc page table descriptor diagnostic |
| 1155 |
case 0x39: /* data cache diagnostic register */ |
| 1156 |
ret = 0;
|
| 1157 |
break;
|
| 1158 |
case 0x38: /* SuperSPARC MMU Breakpoint Control Registers */ |
| 1159 |
{
|
| 1160 |
int reg = (addr >> 8) & 3; |
| 1161 |
|
| 1162 |
switch(reg) {
|
| 1163 |
case 0: /* Breakpoint Value (Addr) */ |
| 1164 |
ret = env->mmubpregs[reg]; |
| 1165 |
break;
|
| 1166 |
case 1: /* Breakpoint Mask */ |
| 1167 |
ret = env->mmubpregs[reg]; |
| 1168 |
break;
|
| 1169 |
case 2: /* Breakpoint Control */ |
| 1170 |
ret = env->mmubpregs[reg]; |
| 1171 |
break;
|
| 1172 |
case 3: /* Breakpoint Status */ |
| 1173 |
ret = env->mmubpregs[reg]; |
| 1174 |
env->mmubpregs[reg] = 0ULL;
|
| 1175 |
break;
|
| 1176 |
} |
| 1177 |
DPRINTF_MMU("read breakpoint reg[%d] 0x%016llx\n", reg, ret);
|
| 1178 |
} |
| 1179 |
break;
|
| 1180 |
case 8: /* User code access, XXX */ |
| 1181 |
default:
|
| 1182 |
do_unassigned_access(addr, 0, 0, asi, size); |
| 1183 |
ret = 0;
|
| 1184 |
break;
|
| 1185 |
} |
| 1186 |
if (sign) {
|
| 1187 |
switch(size) {
|
| 1188 |
case 1: |
| 1189 |
ret = (int8_t) ret; |
| 1190 |
break;
|
| 1191 |
case 2: |
| 1192 |
ret = (int16_t) ret; |
| 1193 |
break;
|
| 1194 |
case 4: |
| 1195 |
ret = (int32_t) ret; |
| 1196 |
break;
|
| 1197 |
default:
|
| 1198 |
break;
|
| 1199 |
} |
| 1200 |
} |
| 1201 |
#ifdef DEBUG_ASI
|
| 1202 |
dump_asi("read ", last_addr, asi, size, ret);
|
| 1203 |
#endif
|
| 1204 |
return ret;
|
| 1205 |
} |
| 1206 |
|
| 1207 |
void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size) |
| 1208 |
{
|
| 1209 |
helper_check_align(addr, size - 1);
|
| 1210 |
switch(asi) {
|
| 1211 |
case 2: /* SuperSparc MXCC registers */ |
| 1212 |
switch (addr) {
|
| 1213 |
case 0x01c00000: /* MXCC stream data register 0 */ |
| 1214 |
if (size == 8) |
| 1215 |
env->mxccdata[0] = val;
|
| 1216 |
else
|
| 1217 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1218 |
size); |
| 1219 |
break;
|
| 1220 |
case 0x01c00008: /* MXCC stream data register 1 */ |
| 1221 |
if (size == 8) |
| 1222 |
env->mxccdata[1] = val;
|
| 1223 |
else
|
| 1224 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1225 |
size); |
| 1226 |
break;
|
| 1227 |
case 0x01c00010: /* MXCC stream data register 2 */ |
| 1228 |
if (size == 8) |
| 1229 |
env->mxccdata[2] = val;
|
| 1230 |
else
|
| 1231 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1232 |
size); |
| 1233 |
break;
|
| 1234 |
case 0x01c00018: /* MXCC stream data register 3 */ |
| 1235 |
if (size == 8) |
| 1236 |
env->mxccdata[3] = val;
|
| 1237 |
else
|
| 1238 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1239 |
size); |
| 1240 |
break;
|
| 1241 |
case 0x01c00100: /* MXCC stream source */ |
| 1242 |
if (size == 8) |
| 1243 |
env->mxccregs[0] = val;
|
| 1244 |
else
|
| 1245 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1246 |
size); |
| 1247 |
env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
| 1248 |
0);
|
| 1249 |
env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
| 1250 |
8);
|
| 1251 |
env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
| 1252 |
16);
|
| 1253 |
env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + |
| 1254 |
24);
|
| 1255 |
break;
|
| 1256 |
case 0x01c00200: /* MXCC stream destination */ |
| 1257 |
if (size == 8) |
| 1258 |
env->mxccregs[1] = val;
|
| 1259 |
else
|
| 1260 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1261 |
size); |
| 1262 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0, |
| 1263 |
env->mxccdata[0]);
|
| 1264 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8, |
| 1265 |
env->mxccdata[1]);
|
| 1266 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16, |
| 1267 |
env->mxccdata[2]);
|
| 1268 |
stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24, |
| 1269 |
env->mxccdata[3]);
|
| 1270 |
break;
|
| 1271 |
case 0x01c00a00: /* MXCC control register */ |
| 1272 |
if (size == 8) |
| 1273 |
env->mxccregs[3] = val;
|
| 1274 |
else
|
| 1275 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1276 |
size); |
| 1277 |
break;
|
| 1278 |
case 0x01c00a04: /* MXCC control register */ |
| 1279 |
if (size == 4) |
| 1280 |
env->mxccregs[3] = (env->mxccregs[3] & 0xffffffff00000000ULL) |
| 1281 |
| val; |
| 1282 |
else
|
| 1283 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1284 |
size); |
| 1285 |
break;
|
| 1286 |
case 0x01c00e00: /* MXCC error register */ |
| 1287 |
// writing a 1 bit clears the error
|
| 1288 |
if (size == 8) |
| 1289 |
env->mxccregs[6] &= ~val;
|
| 1290 |
else
|
| 1291 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1292 |
size); |
| 1293 |
break;
|
| 1294 |
case 0x01c00f00: /* MBus port address register */ |
| 1295 |
if (size == 8) |
| 1296 |
env->mxccregs[7] = val;
|
| 1297 |
else
|
| 1298 |
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
|
| 1299 |
size); |
| 1300 |
break;
|
| 1301 |
default:
|
| 1302 |
DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
|
| 1303 |
size); |
| 1304 |
break;
|
| 1305 |
} |
| 1306 |
DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %" PRIx64 "\n", |
| 1307 |
asi, size, addr, val); |
| 1308 |
#ifdef DEBUG_MXCC
|
| 1309 |
dump_mxcc(env); |
| 1310 |
#endif
|
| 1311 |
break;
|
| 1312 |
case 3: /* MMU flush */ |
| 1313 |
{
|
| 1314 |
int mmulev;
|
| 1315 |
|
| 1316 |
mmulev = (addr >> 8) & 15; |
| 1317 |
DPRINTF_MMU("mmu flush level %d\n", mmulev);
|
| 1318 |
switch (mmulev) {
|
| 1319 |
case 0: // flush page |
| 1320 |
tlb_flush_page(env, addr & 0xfffff000);
|
| 1321 |
break;
|
| 1322 |
case 1: // flush segment (256k) |
| 1323 |
case 2: // flush region (16M) |
| 1324 |
case 3: // flush context (4G) |
| 1325 |
case 4: // flush entire |
| 1326 |
tlb_flush(env, 1);
|
| 1327 |
break;
|
| 1328 |
default:
|
| 1329 |
break;
|
| 1330 |
} |
| 1331 |
#ifdef DEBUG_MMU
|
| 1332 |
dump_mmu(env); |
| 1333 |
#endif
|
| 1334 |
} |
| 1335 |
break;
|
| 1336 |
case 4: /* write MMU regs */ |
| 1337 |
{
|
| 1338 |
int reg = (addr >> 8) & 0x1f; |
| 1339 |
uint32_t oldreg; |
| 1340 |
|
| 1341 |
oldreg = env->mmuregs[reg]; |
| 1342 |
switch(reg) {
|
| 1343 |
case 0: // Control Register |
| 1344 |
env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
|
| 1345 |
(val & 0x00ffffff);
|
| 1346 |
// Mappings generated during no-fault mode or MMU
|
| 1347 |
// disabled mode are invalid in normal mode
|
| 1348 |
if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) !=
|
| 1349 |
(env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm))) |
| 1350 |
tlb_flush(env, 1);
|
| 1351 |
break;
|
| 1352 |
case 1: // Context Table Pointer Register |
| 1353 |
env->mmuregs[reg] = val & env->def->mmu_ctpr_mask; |
| 1354 |
break;
|
| 1355 |
case 2: // Context Register |
| 1356 |
env->mmuregs[reg] = val & env->def->mmu_cxr_mask; |
| 1357 |
if (oldreg != env->mmuregs[reg]) {
|
| 1358 |
/* we flush when the MMU context changes because
|
| 1359 |
QEMU has no MMU context support */
|
| 1360 |
tlb_flush(env, 1);
|
| 1361 |
} |
| 1362 |
break;
|
| 1363 |
case 3: // Synchronous Fault Status Register with Clear |
| 1364 |
case 4: // Synchronous Fault Address Register |
| 1365 |
break;
|
| 1366 |
case 0x10: // TLB Replacement Control Register |
| 1367 |
env->mmuregs[reg] = val & env->def->mmu_trcr_mask; |
| 1368 |
break;
|
| 1369 |
case 0x13: // Synchronous Fault Status Register with Read and Clear |
| 1370 |
env->mmuregs[3] = val & env->def->mmu_sfsr_mask;
|
| 1371 |
break;
|
| 1372 |
case 0x14: // Synchronous Fault Address Register |
| 1373 |
env->mmuregs[4] = val;
|
| 1374 |
break;
|
| 1375 |
default:
|
| 1376 |
env->mmuregs[reg] = val; |
| 1377 |
break;
|
| 1378 |
} |
| 1379 |
if (oldreg != env->mmuregs[reg]) {
|
| 1380 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
|
| 1381 |
reg, oldreg, env->mmuregs[reg]); |
| 1382 |
} |
| 1383 |
#ifdef DEBUG_MMU
|
| 1384 |
dump_mmu(env); |
| 1385 |
#endif
|
| 1386 |
} |
| 1387 |
break;
|
| 1388 |
case 5: // Turbosparc ITLB Diagnostic |
| 1389 |
case 6: // Turbosparc DTLB Diagnostic |
| 1390 |
case 7: // Turbosparc IOTLB Diagnostic |
| 1391 |
break;
|
| 1392 |
case 0xa: /* User data access */ |
| 1393 |
switch(size) {
|
| 1394 |
case 1: |
| 1395 |
stb_user(addr, val); |
| 1396 |
break;
|
| 1397 |
case 2: |
| 1398 |
stw_user(addr, val); |
| 1399 |
break;
|
| 1400 |
default:
|
| 1401 |
case 4: |
| 1402 |
stl_user(addr, val); |
| 1403 |
break;
|
| 1404 |
case 8: |
| 1405 |
stq_user(addr, val); |
| 1406 |
break;
|
| 1407 |
} |
| 1408 |
break;
|
| 1409 |
case 0xb: /* Supervisor data access */ |
| 1410 |
switch(size) {
|
| 1411 |
case 1: |
| 1412 |
stb_kernel(addr, val); |
| 1413 |
break;
|
| 1414 |
case 2: |
| 1415 |
stw_kernel(addr, val); |
| 1416 |
break;
|
| 1417 |
default:
|
| 1418 |
case 4: |
| 1419 |
stl_kernel(addr, val); |
| 1420 |
break;
|
| 1421 |
case 8: |
| 1422 |
stq_kernel(addr, val); |
| 1423 |
break;
|
| 1424 |
} |
| 1425 |
break;
|
| 1426 |
case 0xc: /* I-cache tag */ |
| 1427 |
case 0xd: /* I-cache data */ |
| 1428 |
case 0xe: /* D-cache tag */ |
| 1429 |
case 0xf: /* D-cache data */ |
| 1430 |
case 0x10: /* I/D-cache flush page */ |
| 1431 |
case 0x11: /* I/D-cache flush segment */ |
| 1432 |
case 0x12: /* I/D-cache flush region */ |
| 1433 |
case 0x13: /* I/D-cache flush context */ |
| 1434 |
case 0x14: /* I/D-cache flush user */ |
| 1435 |
break;
|
| 1436 |
case 0x17: /* Block copy, sta access */ |
| 1437 |
{
|
| 1438 |
// val = src
|
| 1439 |
// addr = dst
|
| 1440 |
// copy 32 bytes
|
| 1441 |
unsigned int i; |
| 1442 |
uint32_t src = val & ~3, dst = addr & ~3, temp; |
| 1443 |
|
| 1444 |
for (i = 0; i < 32; i += 4, src += 4, dst += 4) { |
| 1445 |
temp = ldl_kernel(src); |
| 1446 |
stl_kernel(dst, temp); |
| 1447 |
} |
| 1448 |
} |
| 1449 |
break;
|
| 1450 |
case 0x1f: /* Block fill, stda access */ |
| 1451 |
{
|
| 1452 |
// addr = dst
|
| 1453 |
// fill 32 bytes with val
|
| 1454 |
unsigned int i; |
| 1455 |
uint32_t dst = addr & 7;
|
| 1456 |
|
| 1457 |
for (i = 0; i < 32; i += 8, dst += 8) |
| 1458 |
stq_kernel(dst, val); |
| 1459 |
} |
| 1460 |
break;
|
| 1461 |
case 0x20: /* MMU passthrough */ |
| 1462 |
{
|
| 1463 |
switch(size) {
|
| 1464 |
case 1: |
| 1465 |
stb_phys(addr, val); |
| 1466 |
break;
|
| 1467 |
case 2: |
| 1468 |
stw_phys(addr, val); |
| 1469 |
break;
|
| 1470 |
case 4: |
| 1471 |
default:
|
| 1472 |
stl_phys(addr, val); |
| 1473 |
break;
|
| 1474 |
case 8: |
| 1475 |
stq_phys(addr, val); |
| 1476 |
break;
|
| 1477 |
} |
| 1478 |
} |
| 1479 |
break;
|
| 1480 |
case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */ |
| 1481 |
{
|
| 1482 |
switch(size) {
|
| 1483 |
case 1: |
| 1484 |
stb_phys((target_phys_addr_t)addr |
| 1485 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
| 1486 |
break;
|
| 1487 |
case 2: |
| 1488 |
stw_phys((target_phys_addr_t)addr |
| 1489 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
| 1490 |
break;
|
| 1491 |
case 4: |
| 1492 |
default:
|
| 1493 |
stl_phys((target_phys_addr_t)addr |
| 1494 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
| 1495 |
break;
|
| 1496 |
case 8: |
| 1497 |
stq_phys((target_phys_addr_t)addr |
| 1498 |
| ((target_phys_addr_t)(asi & 0xf) << 32), val); |
| 1499 |
break;
|
| 1500 |
} |
| 1501 |
} |
| 1502 |
break;
|
| 1503 |
case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic |
| 1504 |
case 0x31: // store buffer data, Ross RT620 I-cache flush or |
| 1505 |
// Turbosparc snoop RAM
|
| 1506 |
case 0x32: // store buffer control or Turbosparc page table |
| 1507 |
// descriptor diagnostic
|
| 1508 |
case 0x36: /* I-cache flash clear */ |
| 1509 |
case 0x37: /* D-cache flash clear */ |
| 1510 |
case 0x4c: /* breakpoint action */ |
| 1511 |
break;
|
| 1512 |
case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/ |
| 1513 |
{
|
| 1514 |
int reg = (addr >> 8) & 3; |
| 1515 |
|
| 1516 |
switch(reg) {
|
| 1517 |
case 0: /* Breakpoint Value (Addr) */ |
| 1518 |
env->mmubpregs[reg] = (val & 0xfffffffffULL);
|
| 1519 |
break;
|
| 1520 |
case 1: /* Breakpoint Mask */ |
| 1521 |
env->mmubpregs[reg] = (val & 0xfffffffffULL);
|
| 1522 |
break;
|
| 1523 |
case 2: /* Breakpoint Control */ |
| 1524 |
env->mmubpregs[reg] = (val & 0x7fULL);
|
| 1525 |
break;
|
| 1526 |
case 3: /* Breakpoint Status */ |
| 1527 |
env->mmubpregs[reg] = (val & 0xfULL);
|
| 1528 |
break;
|
| 1529 |
} |
| 1530 |
DPRINTF_MMU("write breakpoint reg[%d] 0x%016llx\n", reg,
|
| 1531 |
env->mmuregs[reg]); |
| 1532 |
} |
| 1533 |
break;
|
| 1534 |
case 8: /* User code access, XXX */ |
| 1535 |
case 9: /* Supervisor code access, XXX */ |
| 1536 |
default:
|
| 1537 |
do_unassigned_access(addr, 1, 0, asi, size); |
| 1538 |
break;
|
| 1539 |
} |
| 1540 |
#ifdef DEBUG_ASI
|
| 1541 |
dump_asi("write", addr, asi, size, val);
|
| 1542 |
#endif
|
| 1543 |
} |
| 1544 |
|
| 1545 |
#endif /* CONFIG_USER_ONLY */ |
| 1546 |
#else /* TARGET_SPARC64 */ |
| 1547 |
|
| 1548 |
#ifdef CONFIG_USER_ONLY
|
| 1549 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
| 1550 |
{
|
| 1551 |
uint64_t ret = 0;
|
| 1552 |
#if defined(DEBUG_ASI)
|
| 1553 |
target_ulong last_addr = addr; |
| 1554 |
#endif
|
| 1555 |
|
| 1556 |
if (asi < 0x80) |
| 1557 |
raise_exception(TT_PRIV_ACT); |
| 1558 |
|
| 1559 |
helper_check_align(addr, size - 1);
|
| 1560 |
address_mask(env, &addr); |
| 1561 |
|
| 1562 |
switch (asi) {
|
| 1563 |
case 0x82: // Primary no-fault |
| 1564 |
case 0x8a: // Primary no-fault LE |
| 1565 |
if (page_check_range(addr, size, PAGE_READ) == -1) { |
| 1566 |
#ifdef DEBUG_ASI
|
| 1567 |
dump_asi("read ", last_addr, asi, size, ret);
|
| 1568 |
#endif
|
| 1569 |
return 0; |
| 1570 |
} |
| 1571 |
// Fall through
|
| 1572 |
case 0x80: // Primary |
| 1573 |
case 0x88: // Primary LE |
| 1574 |
{
|
| 1575 |
switch(size) {
|
| 1576 |
case 1: |
| 1577 |
ret = ldub_raw(addr); |
| 1578 |
break;
|
| 1579 |
case 2: |
| 1580 |
ret = lduw_raw(addr); |
| 1581 |
break;
|
| 1582 |
case 4: |
| 1583 |
ret = ldl_raw(addr); |
| 1584 |
break;
|
| 1585 |
default:
|
| 1586 |
case 8: |
| 1587 |
ret = ldq_raw(addr); |
| 1588 |
break;
|
| 1589 |
} |
| 1590 |
} |
| 1591 |
break;
|
| 1592 |
case 0x83: // Secondary no-fault |
| 1593 |
case 0x8b: // Secondary no-fault LE |
| 1594 |
if (page_check_range(addr, size, PAGE_READ) == -1) { |
| 1595 |
#ifdef DEBUG_ASI
|
| 1596 |
dump_asi("read ", last_addr, asi, size, ret);
|
| 1597 |
#endif
|
| 1598 |
return 0; |
| 1599 |
} |
| 1600 |
// Fall through
|
| 1601 |
case 0x81: // Secondary |
| 1602 |
case 0x89: // Secondary LE |
| 1603 |
// XXX
|
| 1604 |
break;
|
| 1605 |
default:
|
| 1606 |
break;
|
| 1607 |
} |
| 1608 |
|
| 1609 |
/* Convert from little endian */
|
| 1610 |
switch (asi) {
|
| 1611 |
case 0x88: // Primary LE |
| 1612 |
case 0x89: // Secondary LE |
| 1613 |
case 0x8a: // Primary no-fault LE |
| 1614 |
case 0x8b: // Secondary no-fault LE |
| 1615 |
switch(size) {
|
| 1616 |
case 2: |
| 1617 |
ret = bswap16(ret); |
| 1618 |
break;
|
| 1619 |
case 4: |
| 1620 |
ret = bswap32(ret); |
| 1621 |
break;
|
| 1622 |
case 8: |
| 1623 |
ret = bswap64(ret); |
| 1624 |
break;
|
| 1625 |
default:
|
| 1626 |
break;
|
| 1627 |
} |
| 1628 |
default:
|
| 1629 |
break;
|
| 1630 |
} |
| 1631 |
|
| 1632 |
/* Convert to signed number */
|
| 1633 |
if (sign) {
|
| 1634 |
switch(size) {
|
| 1635 |
case 1: |
| 1636 |
ret = (int8_t) ret; |
| 1637 |
break;
|
| 1638 |
case 2: |
| 1639 |
ret = (int16_t) ret; |
| 1640 |
break;
|
| 1641 |
case 4: |
| 1642 |
ret = (int32_t) ret; |
| 1643 |
break;
|
| 1644 |
default:
|
| 1645 |
break;
|
| 1646 |
} |
| 1647 |
} |
| 1648 |
#ifdef DEBUG_ASI
|
| 1649 |
dump_asi("read ", last_addr, asi, size, ret);
|
| 1650 |
#endif
|
| 1651 |
return ret;
|
| 1652 |
} |
| 1653 |
|
| 1654 |
void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size) |
| 1655 |
{
|
| 1656 |
#ifdef DEBUG_ASI
|
| 1657 |
dump_asi("write", addr, asi, size, val);
|
| 1658 |
#endif
|
| 1659 |
if (asi < 0x80) |
| 1660 |
raise_exception(TT_PRIV_ACT); |
| 1661 |
|
| 1662 |
helper_check_align(addr, size - 1);
|
| 1663 |
address_mask(env, &addr); |
| 1664 |
|
| 1665 |
/* Convert to little endian */
|
| 1666 |
switch (asi) {
|
| 1667 |
case 0x88: // Primary LE |
| 1668 |
case 0x89: // Secondary LE |
| 1669 |
switch(size) {
|
| 1670 |
case 2: |
| 1671 |
addr = bswap16(addr); |
| 1672 |
break;
|
| 1673 |
case 4: |
| 1674 |
addr = bswap32(addr); |
| 1675 |
break;
|
| 1676 |
case 8: |
| 1677 |
addr = bswap64(addr); |
| 1678 |
break;
|
| 1679 |
default:
|
| 1680 |
break;
|
| 1681 |
} |
| 1682 |
default:
|
| 1683 |
break;
|
| 1684 |
} |
| 1685 |
|
| 1686 |
switch(asi) {
|
| 1687 |
case 0x80: // Primary |
| 1688 |
case 0x88: // Primary LE |
| 1689 |
{
|
| 1690 |
switch(size) {
|
| 1691 |
case 1: |
| 1692 |
stb_raw(addr, val); |
| 1693 |
break;
|
| 1694 |
case 2: |
| 1695 |
stw_raw(addr, val); |
| 1696 |
break;
|
| 1697 |
case 4: |
| 1698 |
stl_raw(addr, val); |
| 1699 |
break;
|
| 1700 |
case 8: |
| 1701 |
default:
|
| 1702 |
stq_raw(addr, val); |
| 1703 |
break;
|
| 1704 |
} |
| 1705 |
} |
| 1706 |
break;
|
| 1707 |
case 0x81: // Secondary |
| 1708 |
case 0x89: // Secondary LE |
| 1709 |
// XXX
|
| 1710 |
return;
|
| 1711 |
|
| 1712 |
case 0x82: // Primary no-fault, RO |
| 1713 |
case 0x83: // Secondary no-fault, RO |
| 1714 |
case 0x8a: // Primary no-fault LE, RO |
| 1715 |
case 0x8b: // Secondary no-fault LE, RO |
| 1716 |
default:
|
| 1717 |
do_unassigned_access(addr, 1, 0, 1, size); |
| 1718 |
return;
|
| 1719 |
} |
| 1720 |
} |
| 1721 |
|
| 1722 |
#else /* CONFIG_USER_ONLY */ |
| 1723 |
|
| 1724 |
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) |
| 1725 |
{
|
| 1726 |
uint64_t ret = 0;
|
| 1727 |
#if defined(DEBUG_ASI)
|
| 1728 |
target_ulong last_addr = addr; |
| 1729 |
#endif
|
| 1730 |
|
| 1731 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
| 1732 |
|| ((env->def->features & CPU_FEATURE_HYPV) |
| 1733 |
&& asi >= 0x30 && asi < 0x80 |
| 1734 |
&& !(env->hpstate & HS_PRIV))) |
| 1735 |
raise_exception(TT_PRIV_ACT); |
| 1736 |
|
| 1737 |
helper_check_align(addr, size - 1);
|
| 1738 |
switch (asi) {
|
| 1739 |
case 0x82: // Primary no-fault |
| 1740 |
case 0x8a: // Primary no-fault LE |
| 1741 |
if (cpu_get_phys_page_debug(env, addr) == -1ULL) { |
| 1742 |
#ifdef DEBUG_ASI
|
| 1743 |
dump_asi("read ", last_addr, asi, size, ret);
|
| 1744 |
#endif
|
| 1745 |
return 0; |
| 1746 |
} |
| 1747 |
// Fall through
|
| 1748 |
case 0x10: // As if user primary |
| 1749 |
case 0x18: // As if user primary LE |
| 1750 |
case 0x80: // Primary |
| 1751 |
case 0x88: // Primary LE |
| 1752 |
case 0xe2: // UA2007 Primary block init |
| 1753 |
case 0xe3: // UA2007 Secondary block init |
| 1754 |
if ((asi & 0x80) && (env->pstate & PS_PRIV)) { |
| 1755 |
if ((env->def->features & CPU_FEATURE_HYPV)
|
| 1756 |
&& env->hpstate & HS_PRIV) {
|
| 1757 |
switch(size) {
|
| 1758 |
case 1: |
| 1759 |
ret = ldub_hypv(addr); |
| 1760 |
break;
|
| 1761 |
case 2: |
| 1762 |
ret = lduw_hypv(addr); |
| 1763 |
break;
|
| 1764 |
case 4: |
| 1765 |
ret = ldl_hypv(addr); |
| 1766 |
break;
|
| 1767 |
default:
|
| 1768 |
case 8: |
| 1769 |
ret = ldq_hypv(addr); |
| 1770 |
break;
|
| 1771 |
} |
| 1772 |
} else {
|
| 1773 |
switch(size) {
|
| 1774 |
case 1: |
| 1775 |
ret = ldub_kernel(addr); |
| 1776 |
break;
|
| 1777 |
case 2: |
| 1778 |
ret = lduw_kernel(addr); |
| 1779 |
break;
|
| 1780 |
case 4: |
| 1781 |
ret = ldl_kernel(addr); |
| 1782 |
break;
|
| 1783 |
default:
|
| 1784 |
case 8: |
| 1785 |
ret = ldq_kernel(addr); |
| 1786 |
break;
|
| 1787 |
} |
| 1788 |
} |
| 1789 |
} else {
|
| 1790 |
switch(size) {
|
| 1791 |
case 1: |
| 1792 |
ret = ldub_user(addr); |
| 1793 |
break;
|
| 1794 |
case 2: |
| 1795 |
ret = lduw_user(addr); |
| 1796 |
break;
|
| 1797 |
case 4: |
| 1798 |
ret = ldl_user(addr); |
| 1799 |
break;
|
| 1800 |
default:
|
| 1801 |
case 8: |
| 1802 |
ret = ldq_user(addr); |
| 1803 |
break;
|
| 1804 |
} |
| 1805 |
} |
| 1806 |
break;
|
| 1807 |
case 0x14: // Bypass |
| 1808 |
case 0x15: // Bypass, non-cacheable |
| 1809 |
case 0x1c: // Bypass LE |
| 1810 |
case 0x1d: // Bypass, non-cacheable LE |
| 1811 |
{
|
| 1812 |
switch(size) {
|
| 1813 |
case 1: |
| 1814 |
ret = ldub_phys(addr); |
| 1815 |
break;
|
| 1816 |
case 2: |
| 1817 |
ret = lduw_phys(addr); |
| 1818 |
break;
|
| 1819 |
case 4: |
| 1820 |
ret = ldl_phys(addr); |
| 1821 |
break;
|
| 1822 |
default:
|
| 1823 |
case 8: |
| 1824 |
ret = ldq_phys(addr); |
| 1825 |
break;
|
| 1826 |
} |
| 1827 |
break;
|
| 1828 |
} |
| 1829 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
| 1830 |
case 0x2c: // Nucleus quad LDD 128 bit atomic LE |
| 1831 |
// Only ldda allowed
|
| 1832 |
raise_exception(TT_ILL_INSN); |
| 1833 |
return 0; |
| 1834 |
case 0x83: // Secondary no-fault |
| 1835 |
case 0x8b: // Secondary no-fault LE |
| 1836 |
if (cpu_get_phys_page_debug(env, addr) == -1ULL) { |
| 1837 |
#ifdef DEBUG_ASI
|
| 1838 |
dump_asi("read ", last_addr, asi, size, ret);
|
| 1839 |
#endif
|
| 1840 |
return 0; |
| 1841 |
} |
| 1842 |
// Fall through
|
| 1843 |
case 0x04: // Nucleus |
| 1844 |
case 0x0c: // Nucleus Little Endian (LE) |
| 1845 |
case 0x11: // As if user secondary |
| 1846 |
case 0x19: // As if user secondary LE |
| 1847 |
case 0x4a: // UPA config |
| 1848 |
case 0x81: // Secondary |
| 1849 |
case 0x89: // Secondary LE |
| 1850 |
// XXX
|
| 1851 |
break;
|
| 1852 |
case 0x45: // LSU |
| 1853 |
ret = env->lsu; |
| 1854 |
break;
|
| 1855 |
case 0x50: // I-MMU regs |
| 1856 |
{
|
| 1857 |
int reg = (addr >> 3) & 0xf; |
| 1858 |
|
| 1859 |
if (reg == 0) { |
| 1860 |
// I-TSB Tag Target register
|
| 1861 |
ret = ultrasparc_tag_target(env->immuregs[6]);
|
| 1862 |
} else {
|
| 1863 |
ret = env->immuregs[reg]; |
| 1864 |
} |
| 1865 |
|
| 1866 |
break;
|
| 1867 |
} |
| 1868 |
case 0x51: // I-MMU 8k TSB pointer |
| 1869 |
{
|
| 1870 |
// env->immuregs[5] holds I-MMU TSB register value
|
| 1871 |
// env->immuregs[6] holds I-MMU Tag Access register value
|
| 1872 |
ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6], |
| 1873 |
8*1024); |
| 1874 |
break;
|
| 1875 |
} |
| 1876 |
case 0x52: // I-MMU 64k TSB pointer |
| 1877 |
{
|
| 1878 |
// env->immuregs[5] holds I-MMU TSB register value
|
| 1879 |
// env->immuregs[6] holds I-MMU Tag Access register value
|
| 1880 |
ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6], |
| 1881 |
64*1024); |
| 1882 |
break;
|
| 1883 |
} |
| 1884 |
case 0x55: // I-MMU data access |
| 1885 |
{
|
| 1886 |
int reg = (addr >> 3) & 0x3f; |
| 1887 |
|
| 1888 |
ret = env->itlb_tte[reg]; |
| 1889 |
break;
|
| 1890 |
} |
| 1891 |
case 0x56: // I-MMU tag read |
| 1892 |
{
|
| 1893 |
int reg = (addr >> 3) & 0x3f; |
| 1894 |
|
| 1895 |
ret = env->itlb_tag[reg]; |
| 1896 |
break;
|
| 1897 |
} |
| 1898 |
case 0x58: // D-MMU regs |
| 1899 |
{
|
| 1900 |
int reg = (addr >> 3) & 0xf; |
| 1901 |
|
| 1902 |
if (reg == 0) { |
| 1903 |
// D-TSB Tag Target register
|
| 1904 |
ret = ultrasparc_tag_target(env->dmmuregs[6]);
|
| 1905 |
} else {
|
| 1906 |
ret = env->dmmuregs[reg]; |
| 1907 |
} |
| 1908 |
break;
|
| 1909 |
} |
| 1910 |
case 0x59: // D-MMU 8k TSB pointer |
| 1911 |
{
|
| 1912 |
// env->dmmuregs[5] holds D-MMU TSB register value
|
| 1913 |
// env->dmmuregs[6] holds D-MMU Tag Access register value
|
| 1914 |
ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6], |
| 1915 |
8*1024); |
| 1916 |
break;
|
| 1917 |
} |
| 1918 |
case 0x5a: // D-MMU 64k TSB pointer |
| 1919 |
{
|
| 1920 |
// env->dmmuregs[5] holds D-MMU TSB register value
|
| 1921 |
// env->dmmuregs[6] holds D-MMU Tag Access register value
|
| 1922 |
ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6], |
| 1923 |
64*1024); |
| 1924 |
break;
|
| 1925 |
} |
| 1926 |
case 0x5d: // D-MMU data access |
| 1927 |
{
|
| 1928 |
int reg = (addr >> 3) & 0x3f; |
| 1929 |
|
| 1930 |
ret = env->dtlb_tte[reg]; |
| 1931 |
break;
|
| 1932 |
} |
| 1933 |
case 0x5e: // D-MMU tag read |
| 1934 |
{
|
| 1935 |
int reg = (addr >> 3) & 0x3f; |
| 1936 |
|
| 1937 |
ret = env->dtlb_tag[reg]; |
| 1938 |
break;
|
| 1939 |
} |
| 1940 |
case 0x46: // D-cache data |
| 1941 |
case 0x47: // D-cache tag access |
| 1942 |
case 0x4b: // E-cache error enable |
| 1943 |
case 0x4c: // E-cache asynchronous fault status |
| 1944 |
case 0x4d: // E-cache asynchronous fault address |
| 1945 |
case 0x4e: // E-cache tag data |
| 1946 |
case 0x66: // I-cache instruction access |
| 1947 |
case 0x67: // I-cache tag access |
| 1948 |
case 0x6e: // I-cache predecode |
| 1949 |
case 0x6f: // I-cache LRU etc. |
| 1950 |
case 0x76: // E-cache tag |
| 1951 |
case 0x7e: // E-cache tag |
| 1952 |
break;
|
| 1953 |
case 0x5b: // D-MMU data pointer |
| 1954 |
case 0x48: // Interrupt dispatch, RO |
| 1955 |
case 0x49: // Interrupt data receive |
| 1956 |
case 0x7f: // Incoming interrupt vector, RO |
| 1957 |
// XXX
|
| 1958 |
break;
|
| 1959 |
case 0x54: // I-MMU data in, WO |
| 1960 |
case 0x57: // I-MMU demap, WO |
| 1961 |
case 0x5c: // D-MMU data in, WO |
| 1962 |
case 0x5f: // D-MMU demap, WO |
| 1963 |
case 0x77: // Interrupt vector, WO |
| 1964 |
default:
|
| 1965 |
do_unassigned_access(addr, 0, 0, 1, size); |
| 1966 |
ret = 0;
|
| 1967 |
break;
|
| 1968 |
} |
| 1969 |
|
| 1970 |
/* Convert from little endian */
|
| 1971 |
switch (asi) {
|
| 1972 |
case 0x0c: // Nucleus Little Endian (LE) |
| 1973 |
case 0x18: // As if user primary LE |
| 1974 |
case 0x19: // As if user secondary LE |
| 1975 |
case 0x1c: // Bypass LE |
| 1976 |
case 0x1d: // Bypass, non-cacheable LE |
| 1977 |
case 0x88: // Primary LE |
| 1978 |
case 0x89: // Secondary LE |
| 1979 |
case 0x8a: // Primary no-fault LE |
| 1980 |
case 0x8b: // Secondary no-fault LE |
| 1981 |
switch(size) {
|
| 1982 |
case 2: |
| 1983 |
ret = bswap16(ret); |
| 1984 |
break;
|
| 1985 |
case 4: |
| 1986 |
ret = bswap32(ret); |
| 1987 |
break;
|
| 1988 |
case 8: |
| 1989 |
ret = bswap64(ret); |
| 1990 |
break;
|
| 1991 |
default:
|
| 1992 |
break;
|
| 1993 |
} |
| 1994 |
default:
|
| 1995 |
break;
|
| 1996 |
} |
| 1997 |
|
| 1998 |
/* Convert to signed number */
|
| 1999 |
if (sign) {
|
| 2000 |
switch(size) {
|
| 2001 |
case 1: |
| 2002 |
ret = (int8_t) ret; |
| 2003 |
break;
|
| 2004 |
case 2: |
| 2005 |
ret = (int16_t) ret; |
| 2006 |
break;
|
| 2007 |
case 4: |
| 2008 |
ret = (int32_t) ret; |
| 2009 |
break;
|
| 2010 |
default:
|
| 2011 |
break;
|
| 2012 |
} |
| 2013 |
} |
| 2014 |
#ifdef DEBUG_ASI
|
| 2015 |
dump_asi("read ", last_addr, asi, size, ret);
|
| 2016 |
#endif
|
| 2017 |
return ret;
|
| 2018 |
} |
| 2019 |
|
| 2020 |
void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size) |
| 2021 |
{
|
| 2022 |
#ifdef DEBUG_ASI
|
| 2023 |
dump_asi("write", addr, asi, size, val);
|
| 2024 |
#endif
|
| 2025 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
| 2026 |
|| ((env->def->features & CPU_FEATURE_HYPV) |
| 2027 |
&& asi >= 0x30 && asi < 0x80 |
| 2028 |
&& !(env->hpstate & HS_PRIV))) |
| 2029 |
raise_exception(TT_PRIV_ACT); |
| 2030 |
|
| 2031 |
helper_check_align(addr, size - 1);
|
| 2032 |
/* Convert to little endian */
|
| 2033 |
switch (asi) {
|
| 2034 |
case 0x0c: // Nucleus Little Endian (LE) |
| 2035 |
case 0x18: // As if user primary LE |
| 2036 |
case 0x19: // As if user secondary LE |
| 2037 |
case 0x1c: // Bypass LE |
| 2038 |
case 0x1d: // Bypass, non-cacheable LE |
| 2039 |
case 0x88: // Primary LE |
| 2040 |
case 0x89: // Secondary LE |
| 2041 |
switch(size) {
|
| 2042 |
case 2: |
| 2043 |
addr = bswap16(addr); |
| 2044 |
break;
|
| 2045 |
case 4: |
| 2046 |
addr = bswap32(addr); |
| 2047 |
break;
|
| 2048 |
case 8: |
| 2049 |
addr = bswap64(addr); |
| 2050 |
break;
|
| 2051 |
default:
|
| 2052 |
break;
|
| 2053 |
} |
| 2054 |
default:
|
| 2055 |
break;
|
| 2056 |
} |
| 2057 |
|
| 2058 |
switch(asi) {
|
| 2059 |
case 0x10: // As if user primary |
| 2060 |
case 0x18: // As if user primary LE |
| 2061 |
case 0x80: // Primary |
| 2062 |
case 0x88: // Primary LE |
| 2063 |
case 0xe2: // UA2007 Primary block init |
| 2064 |
case 0xe3: // UA2007 Secondary block init |
| 2065 |
if ((asi & 0x80) && (env->pstate & PS_PRIV)) { |
| 2066 |
if ((env->def->features & CPU_FEATURE_HYPV)
|
| 2067 |
&& env->hpstate & HS_PRIV) {
|
| 2068 |
switch(size) {
|
| 2069 |
case 1: |
| 2070 |
stb_hypv(addr, val); |
| 2071 |
break;
|
| 2072 |
case 2: |
| 2073 |
stw_hypv(addr, val); |
| 2074 |
break;
|
| 2075 |
case 4: |
| 2076 |
stl_hypv(addr, val); |
| 2077 |
break;
|
| 2078 |
case 8: |
| 2079 |
default:
|
| 2080 |
stq_hypv(addr, val); |
| 2081 |
break;
|
| 2082 |
} |
| 2083 |
} else {
|
| 2084 |
switch(size) {
|
| 2085 |
case 1: |
| 2086 |
stb_kernel(addr, val); |
| 2087 |
break;
|
| 2088 |
case 2: |
| 2089 |
stw_kernel(addr, val); |
| 2090 |
break;
|
| 2091 |
case 4: |
| 2092 |
stl_kernel(addr, val); |
| 2093 |
break;
|
| 2094 |
case 8: |
| 2095 |
default:
|
| 2096 |
stq_kernel(addr, val); |
| 2097 |
break;
|
| 2098 |
} |
| 2099 |
} |
| 2100 |
} else {
|
| 2101 |
switch(size) {
|
| 2102 |
case 1: |
| 2103 |
stb_user(addr, val); |
| 2104 |
break;
|
| 2105 |
case 2: |
| 2106 |
stw_user(addr, val); |
| 2107 |
break;
|
| 2108 |
case 4: |
| 2109 |
stl_user(addr, val); |
| 2110 |
break;
|
| 2111 |
case 8: |
| 2112 |
default:
|
| 2113 |
stq_user(addr, val); |
| 2114 |
break;
|
| 2115 |
} |
| 2116 |
} |
| 2117 |
break;
|
| 2118 |
case 0x14: // Bypass |
| 2119 |
case 0x15: // Bypass, non-cacheable |
| 2120 |
case 0x1c: // Bypass LE |
| 2121 |
case 0x1d: // Bypass, non-cacheable LE |
| 2122 |
{
|
| 2123 |
switch(size) {
|
| 2124 |
case 1: |
| 2125 |
stb_phys(addr, val); |
| 2126 |
break;
|
| 2127 |
case 2: |
| 2128 |
stw_phys(addr, val); |
| 2129 |
break;
|
| 2130 |
case 4: |
| 2131 |
stl_phys(addr, val); |
| 2132 |
break;
|
| 2133 |
case 8: |
| 2134 |
default:
|
| 2135 |
stq_phys(addr, val); |
| 2136 |
break;
|
| 2137 |
} |
| 2138 |
} |
| 2139 |
return;
|
| 2140 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
| 2141 |
case 0x2c: // Nucleus quad LDD 128 bit atomic LE |
| 2142 |
// Only ldda allowed
|
| 2143 |
raise_exception(TT_ILL_INSN); |
| 2144 |
return;
|
| 2145 |
case 0x04: // Nucleus |
| 2146 |
case 0x0c: // Nucleus Little Endian (LE) |
| 2147 |
case 0x11: // As if user secondary |
| 2148 |
case 0x19: // As if user secondary LE |
| 2149 |
case 0x4a: // UPA config |
| 2150 |
case 0x81: // Secondary |
| 2151 |
case 0x89: // Secondary LE |
| 2152 |
// XXX
|
| 2153 |
return;
|
| 2154 |
case 0x45: // LSU |
| 2155 |
{
|
| 2156 |
uint64_t oldreg; |
| 2157 |
|
| 2158 |
oldreg = env->lsu; |
| 2159 |
env->lsu = val & (DMMU_E | IMMU_E); |
| 2160 |
// Mappings generated during D/I MMU disabled mode are
|
| 2161 |
// invalid in normal mode
|
| 2162 |
if (oldreg != env->lsu) {
|
| 2163 |
DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n", |
| 2164 |
oldreg, env->lsu); |
| 2165 |
#ifdef DEBUG_MMU
|
| 2166 |
dump_mmu(env); |
| 2167 |
#endif
|
| 2168 |
tlb_flush(env, 1);
|
| 2169 |
} |
| 2170 |
return;
|
| 2171 |
} |
| 2172 |
case 0x50: // I-MMU regs |
| 2173 |
{
|
| 2174 |
int reg = (addr >> 3) & 0xf; |
| 2175 |
uint64_t oldreg; |
| 2176 |
|
| 2177 |
oldreg = env->immuregs[reg]; |
| 2178 |
switch(reg) {
|
| 2179 |
case 0: // RO |
| 2180 |
case 4: |
| 2181 |
return;
|
| 2182 |
case 1: // Not in I-MMU |
| 2183 |
case 2: |
| 2184 |
case 7: |
| 2185 |
case 8: |
| 2186 |
return;
|
| 2187 |
case 3: // SFSR |
| 2188 |
if ((val & 1) == 0) |
| 2189 |
val = 0; // Clear SFSR |
| 2190 |
break;
|
| 2191 |
case 5: // TSB access |
| 2192 |
case 6: // Tag access |
| 2193 |
default:
|
| 2194 |
break;
|
| 2195 |
} |
| 2196 |
env->immuregs[reg] = val; |
| 2197 |
if (oldreg != env->immuregs[reg]) {
|
| 2198 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" |
| 2199 |
PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
|
| 2200 |
} |
| 2201 |
#ifdef DEBUG_MMU
|
| 2202 |
dump_mmu(env); |
| 2203 |
#endif
|
| 2204 |
return;
|
| 2205 |
} |
| 2206 |
case 0x54: // I-MMU data in |
| 2207 |
{
|
| 2208 |
unsigned int i; |
| 2209 |
|
| 2210 |
// Try finding an invalid entry
|
| 2211 |
for (i = 0; i < 64; i++) { |
| 2212 |
if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) { |
| 2213 |
env->itlb_tag[i] = env->immuregs[6];
|
| 2214 |
env->itlb_tte[i] = val; |
| 2215 |
return;
|
| 2216 |
} |
| 2217 |
} |
| 2218 |
// Try finding an unlocked entry
|
| 2219 |
for (i = 0; i < 64; i++) { |
| 2220 |
if ((env->itlb_tte[i] & 0x40) == 0) { |
| 2221 |
env->itlb_tag[i] = env->immuregs[6];
|
| 2222 |
env->itlb_tte[i] = val; |
| 2223 |
return;
|
| 2224 |
} |
| 2225 |
} |
| 2226 |
// error state?
|
| 2227 |
return;
|
| 2228 |
} |
| 2229 |
case 0x55: // I-MMU data access |
| 2230 |
{
|
| 2231 |
// TODO: auto demap
|
| 2232 |
|
| 2233 |
unsigned int i = (addr >> 3) & 0x3f; |
| 2234 |
|
| 2235 |
env->itlb_tag[i] = env->immuregs[6];
|
| 2236 |
env->itlb_tte[i] = val; |
| 2237 |
return;
|
| 2238 |
} |
| 2239 |
case 0x57: // I-MMU demap |
| 2240 |
{
|
| 2241 |
unsigned int i; |
| 2242 |
|
| 2243 |
for (i = 0; i < 64; i++) { |
| 2244 |
if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0) { |
| 2245 |
target_ulong mask = 0xffffffffffffe000ULL;
|
| 2246 |
|
| 2247 |
mask <<= 3 * ((env->itlb_tte[i] >> 61) & 3); |
| 2248 |
if ((val & mask) == (env->itlb_tag[i] & mask)) {
|
| 2249 |
env->itlb_tag[i] = 0;
|
| 2250 |
env->itlb_tte[i] = 0;
|
| 2251 |
} |
| 2252 |
return;
|
| 2253 |
} |
| 2254 |
} |
| 2255 |
} |
| 2256 |
return;
|
| 2257 |
case 0x58: // D-MMU regs |
| 2258 |
{
|
| 2259 |
int reg = (addr >> 3) & 0xf; |
| 2260 |
uint64_t oldreg; |
| 2261 |
|
| 2262 |
oldreg = env->dmmuregs[reg]; |
| 2263 |
switch(reg) {
|
| 2264 |
case 0: // RO |
| 2265 |
case 4: |
| 2266 |
return;
|
| 2267 |
case 3: // SFSR |
| 2268 |
if ((val & 1) == 0) { |
| 2269 |
val = 0; // Clear SFSR, Fault address |
| 2270 |
env->dmmuregs[4] = 0; |
| 2271 |
} |
| 2272 |
env->dmmuregs[reg] = val; |
| 2273 |
break;
|
| 2274 |
case 1: // Primary context |
| 2275 |
case 2: // Secondary context |
| 2276 |
case 5: // TSB access |
| 2277 |
case 6: // Tag access |
| 2278 |
case 7: // Virtual Watchpoint |
| 2279 |
case 8: // Physical Watchpoint |
| 2280 |
default:
|
| 2281 |
break;
|
| 2282 |
} |
| 2283 |
env->dmmuregs[reg] = val; |
| 2284 |
if (oldreg != env->dmmuregs[reg]) {
|
| 2285 |
DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" |
| 2286 |
PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
|
| 2287 |
} |
| 2288 |
#ifdef DEBUG_MMU
|
| 2289 |
dump_mmu(env); |
| 2290 |
#endif
|
| 2291 |
return;
|
| 2292 |
} |
| 2293 |
case 0x5c: // D-MMU data in |
| 2294 |
{
|
| 2295 |
unsigned int i; |
| 2296 |
|
| 2297 |
// Try finding an invalid entry
|
| 2298 |
for (i = 0; i < 64; i++) { |
| 2299 |
if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) { |
| 2300 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
| 2301 |
env->dtlb_tte[i] = val; |
| 2302 |
return;
|
| 2303 |
} |
| 2304 |
} |
| 2305 |
// Try finding an unlocked entry
|
| 2306 |
for (i = 0; i < 64; i++) { |
| 2307 |
if ((env->dtlb_tte[i] & 0x40) == 0) { |
| 2308 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
| 2309 |
env->dtlb_tte[i] = val; |
| 2310 |
return;
|
| 2311 |
} |
| 2312 |
} |
| 2313 |
// error state?
|
| 2314 |
return;
|
| 2315 |
} |
| 2316 |
case 0x5d: // D-MMU data access |
| 2317 |
{
|
| 2318 |
unsigned int i = (addr >> 3) & 0x3f; |
| 2319 |
|
| 2320 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
| 2321 |
env->dtlb_tte[i] = val; |
| 2322 |
return;
|
| 2323 |
} |
| 2324 |
case 0x5f: // D-MMU demap |
| 2325 |
{
|
| 2326 |
unsigned int i; |
| 2327 |
|
| 2328 |
for (i = 0; i < 64; i++) { |
| 2329 |
if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0) { |
| 2330 |
target_ulong mask = 0xffffffffffffe000ULL;
|
| 2331 |
|
| 2332 |
mask <<= 3 * ((env->dtlb_tte[i] >> 61) & 3); |
| 2333 |
if ((val & mask) == (env->dtlb_tag[i] & mask)) {
|
| 2334 |
env->dtlb_tag[i] = 0;
|
| 2335 |
env->dtlb_tte[i] = 0;
|
| 2336 |
} |
| 2337 |
return;
|
| 2338 |
} |
| 2339 |
} |
| 2340 |
} |
| 2341 |
return;
|
| 2342 |
case 0x49: // Interrupt data receive |
| 2343 |
// XXX
|
| 2344 |
return;
|
| 2345 |
case 0x46: // D-cache data |
| 2346 |
case 0x47: // D-cache tag access |
| 2347 |
case 0x4b: // E-cache error enable |
| 2348 |
case 0x4c: // E-cache asynchronous fault status |
| 2349 |
case 0x4d: // E-cache asynchronous fault address |
| 2350 |
case 0x4e: // E-cache tag data |
| 2351 |
case 0x66: // I-cache instruction access |
| 2352 |
case 0x67: // I-cache tag access |
| 2353 |
case 0x6e: // I-cache predecode |
| 2354 |
case 0x6f: // I-cache LRU etc. |
| 2355 |
case 0x76: // E-cache tag |
| 2356 |
case 0x7e: // E-cache tag |
| 2357 |
return;
|
| 2358 |
case 0x51: // I-MMU 8k TSB pointer, RO |
| 2359 |
case 0x52: // I-MMU 64k TSB pointer, RO |
| 2360 |
case 0x56: // I-MMU tag read, RO |
| 2361 |
case 0x59: // D-MMU 8k TSB pointer, RO |
| 2362 |
case 0x5a: // D-MMU 64k TSB pointer, RO |
| 2363 |
case 0x5b: // D-MMU data pointer, RO |
| 2364 |
case 0x5e: // D-MMU tag read, RO |
| 2365 |
case 0x48: // Interrupt dispatch, RO |
| 2366 |
case 0x7f: // Incoming interrupt vector, RO |
| 2367 |
case 0x82: // Primary no-fault, RO |
| 2368 |
case 0x83: // Secondary no-fault, RO |
| 2369 |
case 0x8a: // Primary no-fault LE, RO |
| 2370 |
case 0x8b: // Secondary no-fault LE, RO |
| 2371 |
default:
|
| 2372 |
do_unassigned_access(addr, 1, 0, 1, size); |
| 2373 |
return;
|
| 2374 |
} |
| 2375 |
} |
| 2376 |
#endif /* CONFIG_USER_ONLY */ |
| 2377 |
|
| 2378 |
void helper_ldda_asi(target_ulong addr, int asi, int rd) |
| 2379 |
{
|
| 2380 |
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
| 2381 |
|| ((env->def->features & CPU_FEATURE_HYPV) |
| 2382 |
&& asi >= 0x30 && asi < 0x80 |
| 2383 |
&& !(env->hpstate & HS_PRIV))) |
| 2384 |
raise_exception(TT_PRIV_ACT); |
| 2385 |
|
| 2386 |
switch (asi) {
|
| 2387 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
| 2388 |
case 0x2c: // Nucleus quad LDD 128 bit atomic LE |
| 2389 |
helper_check_align(addr, 0xf);
|
| 2390 |
if (rd == 0) { |
| 2391 |
env->gregs[1] = ldq_kernel(addr + 8); |
| 2392 |
if (asi == 0x2c) |
| 2393 |
bswap64s(&env->gregs[1]);
|
| 2394 |
} else if (rd < 8) { |
| 2395 |
env->gregs[rd] = ldq_kernel(addr); |
| 2396 |
env->gregs[rd + 1] = ldq_kernel(addr + 8); |
| 2397 |
if (asi == 0x2c) { |
| 2398 |
bswap64s(&env->gregs[rd]); |
| 2399 |
bswap64s(&env->gregs[rd + 1]);
|
| 2400 |
} |
| 2401 |
} else {
|
| 2402 |
env->regwptr[rd] = ldq_kernel(addr); |
| 2403 |
env->regwptr[rd + 1] = ldq_kernel(addr + 8); |
| 2404 |
if (asi == 0x2c) { |
| 2405 |
bswap64s(&env->regwptr[rd]); |
| 2406 |
bswap64s(&env->regwptr[rd + 1]);
|
| 2407 |
} |
| 2408 |
} |
| 2409 |
break;
|
| 2410 |
default:
|
| 2411 |
helper_check_align(addr, 0x3);
|
| 2412 |
if (rd == 0) |
| 2413 |
env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0); |
| 2414 |
else if (rd < 8) { |
| 2415 |
env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0); |
| 2416 |
env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0); |
| 2417 |
} else {
|
| 2418 |
env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0); |
| 2419 |
env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0); |
| 2420 |
} |
| 2421 |
break;
|
| 2422 |
} |
| 2423 |
} |
| 2424 |
|
| 2425 |
void helper_ldf_asi(target_ulong addr, int asi, int size, int rd) |
| 2426 |
{
|
| 2427 |
unsigned int i; |
| 2428 |
target_ulong val; |
| 2429 |
|
| 2430 |
helper_check_align(addr, 3);
|
| 2431 |
switch (asi) {
|
| 2432 |
case 0xf0: // Block load primary |
| 2433 |
case 0xf1: // Block load secondary |
| 2434 |
case 0xf8: // Block load primary LE |
| 2435 |
case 0xf9: // Block load secondary LE |
| 2436 |
if (rd & 7) { |
| 2437 |
raise_exception(TT_ILL_INSN); |
| 2438 |
return;
|
| 2439 |
} |
| 2440 |
helper_check_align(addr, 0x3f);
|
| 2441 |
for (i = 0; i < 16; i++) { |
| 2442 |
*(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4, |
| 2443 |
0);
|
| 2444 |
addr += 4;
|
| 2445 |
} |
| 2446 |
|
| 2447 |
return;
|
| 2448 |
default:
|
| 2449 |
break;
|
| 2450 |
} |
| 2451 |
|
| 2452 |
val = helper_ld_asi(addr, asi, size, 0);
|
| 2453 |
switch(size) {
|
| 2454 |
default:
|
| 2455 |
case 4: |
| 2456 |
*((uint32_t *)&env->fpr[rd]) = val; |
| 2457 |
break;
|
| 2458 |
case 8: |
| 2459 |
*((int64_t *)&DT0) = val; |
| 2460 |
break;
|
| 2461 |
case 16: |
| 2462 |
// XXX
|
| 2463 |
break;
|
| 2464 |
} |
| 2465 |
} |
| 2466 |
|
| 2467 |
void helper_stf_asi(target_ulong addr, int asi, int size, int rd) |
| 2468 |
{
|
| 2469 |
unsigned int i; |
| 2470 |
target_ulong val = 0;
|
| 2471 |
|
| 2472 |
helper_check_align(addr, 3);
|
| 2473 |
switch (asi) {
|
| 2474 |
case 0xe0: // UA2007 Block commit store primary (cache flush) |
| 2475 |
case 0xe1: // UA2007 Block commit store secondary (cache flush) |
| 2476 |
case 0xf0: // Block store primary |
| 2477 |
case 0xf1: // Block store secondary |
| 2478 |
case 0xf8: // Block store primary LE |
| 2479 |
case 0xf9: // Block store secondary LE |
| 2480 |
if (rd & 7) { |
| 2481 |
raise_exception(TT_ILL_INSN); |
| 2482 |
return;
|
| 2483 |
} |
| 2484 |
helper_check_align(addr, 0x3f);
|
| 2485 |
for (i = 0; i < 16; i++) { |
| 2486 |
val = *(uint32_t *)&env->fpr[rd++]; |
| 2487 |
helper_st_asi(addr, val, asi & 0x8f, 4); |
| 2488 |
addr += 4;
|
| 2489 |
} |
| 2490 |
|
| 2491 |
return;
|
| 2492 |
default:
|
| 2493 |
break;
|
| 2494 |
} |
| 2495 |
|
| 2496 |
switch(size) {
|
| 2497 |
default:
|
| 2498 |
case 4: |
| 2499 |
val = *((uint32_t *)&env->fpr[rd]); |
| 2500 |
break;
|
| 2501 |
case 8: |
| 2502 |
val = *((int64_t *)&DT0); |
| 2503 |
break;
|
| 2504 |
case 16: |
| 2505 |
// XXX
|
| 2506 |
break;
|
| 2507 |
} |
| 2508 |
helper_st_asi(addr, val, asi, size); |
| 2509 |
} |
| 2510 |
|
| 2511 |
target_ulong helper_cas_asi(target_ulong addr, target_ulong val1, |
| 2512 |
target_ulong val2, uint32_t asi) |
| 2513 |
{
|
| 2514 |
target_ulong ret; |
| 2515 |
|
| 2516 |
val2 &= 0xffffffffUL;
|
| 2517 |
ret = helper_ld_asi(addr, asi, 4, 0); |
| 2518 |
ret &= 0xffffffffUL;
|
| 2519 |
if (val2 == ret)
|
| 2520 |
helper_st_asi(addr, val1 & 0xffffffffUL, asi, 4); |
| 2521 |
return ret;
|
| 2522 |
} |
| 2523 |
|
| 2524 |
target_ulong helper_casx_asi(target_ulong addr, target_ulong val1, |
| 2525 |
target_ulong val2, uint32_t asi) |
| 2526 |
{
|
| 2527 |
target_ulong ret; |
| 2528 |
|
| 2529 |
ret = helper_ld_asi(addr, asi, 8, 0); |
| 2530 |
if (val2 == ret)
|
| 2531 |
helper_st_asi(addr, val1, asi, 8);
|
| 2532 |
return ret;
|
| 2533 |
} |
| 2534 |
#endif /* TARGET_SPARC64 */ |
| 2535 |
|
| 2536 |
#ifndef TARGET_SPARC64
|
| 2537 |
void helper_rett(void) |
| 2538 |
{
|
| 2539 |
unsigned int cwp; |
| 2540 |
|
| 2541 |
if (env->psret == 1) |
| 2542 |
raise_exception(TT_ILL_INSN); |
| 2543 |
|
| 2544 |
env->psret = 1;
|
| 2545 |
cwp = cpu_cwp_inc(env, env->cwp + 1) ;
|
| 2546 |
if (env->wim & (1 << cwp)) { |
| 2547 |
raise_exception(TT_WIN_UNF); |
| 2548 |
} |
| 2549 |
set_cwp(cwp); |
| 2550 |
env->psrs = env->psrps; |
| 2551 |
} |
| 2552 |
#endif
|
| 2553 |
|
| 2554 |
target_ulong helper_udiv(target_ulong a, target_ulong b) |
| 2555 |
{
|
| 2556 |
uint64_t x0; |
| 2557 |
uint32_t x1; |
| 2558 |
|
| 2559 |
x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32); |
| 2560 |
x1 = b; |
| 2561 |
|
| 2562 |
if (x1 == 0) { |
| 2563 |
raise_exception(TT_DIV_ZERO); |
| 2564 |
} |
| 2565 |
|
| 2566 |
x0 = x0 / x1; |
| 2567 |
if (x0 > 0xffffffff) { |
| 2568 |
env->cc_src2 = 1;
|
| 2569 |
return 0xffffffff; |
| 2570 |
} else {
|
| 2571 |
env->cc_src2 = 0;
|
| 2572 |
return x0;
|
| 2573 |
} |
| 2574 |
} |
| 2575 |
|
| 2576 |
target_ulong helper_sdiv(target_ulong a, target_ulong b) |
| 2577 |
{
|
| 2578 |
int64_t x0; |
| 2579 |
int32_t x1; |
| 2580 |
|
| 2581 |
x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32); |
| 2582 |
x1 = b; |
| 2583 |
|
| 2584 |
if (x1 == 0) { |
| 2585 |
raise_exception(TT_DIV_ZERO); |
| 2586 |
} |
| 2587 |
|
| 2588 |
x0 = x0 / x1; |
| 2589 |
if ((int32_t) x0 != x0) {
|
| 2590 |
env->cc_src2 = 1;
|
| 2591 |
return x0 < 0? 0x80000000: 0x7fffffff; |
| 2592 |
} else {
|
| 2593 |
env->cc_src2 = 0;
|
| 2594 |
return x0;
|
| 2595 |
} |
| 2596 |
} |
| 2597 |
|
| 2598 |
void helper_stdf(target_ulong addr, int mem_idx) |
| 2599 |
{
|
| 2600 |
helper_check_align(addr, 7);
|
| 2601 |
#if !defined(CONFIG_USER_ONLY)
|
| 2602 |
switch (mem_idx) {
|
| 2603 |
case 0: |
| 2604 |
stfq_user(addr, DT0); |
| 2605 |
break;
|
| 2606 |
case 1: |
| 2607 |
stfq_kernel(addr, DT0); |
| 2608 |
break;
|
| 2609 |
#ifdef TARGET_SPARC64
|
| 2610 |
case 2: |
| 2611 |
stfq_hypv(addr, DT0); |
| 2612 |
break;
|
| 2613 |
#endif
|
| 2614 |
default:
|
| 2615 |
break;
|
| 2616 |
} |
| 2617 |
#else
|
| 2618 |
address_mask(env, &addr); |
| 2619 |
stfq_raw(addr, DT0); |
| 2620 |
#endif
|
| 2621 |
} |
| 2622 |
|
| 2623 |
void helper_lddf(target_ulong addr, int mem_idx) |
| 2624 |
{
|
| 2625 |
helper_check_align(addr, 7);
|
| 2626 |
#if !defined(CONFIG_USER_ONLY)
|
| 2627 |
switch (mem_idx) {
|
| 2628 |
case 0: |
| 2629 |
DT0 = ldfq_user(addr); |
| 2630 |
break;
|
| 2631 |
case 1: |
| 2632 |
DT0 = ldfq_kernel(addr); |
| 2633 |
break;
|
| 2634 |
#ifdef TARGET_SPARC64
|
| 2635 |
case 2: |
| 2636 |
DT0 = ldfq_hypv(addr); |
| 2637 |
break;
|
| 2638 |
#endif
|
| 2639 |
default:
|
| 2640 |
break;
|
| 2641 |
} |
| 2642 |
#else
|
| 2643 |
address_mask(env, &addr); |
| 2644 |
DT0 = ldfq_raw(addr); |
| 2645 |
#endif
|
| 2646 |
} |
| 2647 |
|
| 2648 |
void helper_ldqf(target_ulong addr, int mem_idx) |
| 2649 |
{
|
| 2650 |
// XXX add 128 bit load
|
| 2651 |
CPU_QuadU u; |
| 2652 |
|
| 2653 |
helper_check_align(addr, 7);
|
| 2654 |
#if !defined(CONFIG_USER_ONLY)
|
| 2655 |
switch (mem_idx) {
|
| 2656 |
case 0: |
| 2657 |
u.ll.upper = ldq_user(addr); |
| 2658 |
u.ll.lower = ldq_user(addr + 8);
|
| 2659 |
QT0 = u.q; |
| 2660 |
break;
|
| 2661 |
case 1: |
| 2662 |
u.ll.upper = ldq_kernel(addr); |
| 2663 |
u.ll.lower = ldq_kernel(addr + 8);
|
| 2664 |
QT0 = u.q; |
| 2665 |
break;
|
| 2666 |
#ifdef TARGET_SPARC64
|
| 2667 |
case 2: |
| 2668 |
u.ll.upper = ldq_hypv(addr); |
| 2669 |
u.ll.lower = ldq_hypv(addr + 8);
|
| 2670 |
QT0 = u.q; |
| 2671 |
break;
|
| 2672 |
#endif
|
| 2673 |
default:
|
| 2674 |
break;
|
| 2675 |
} |
| 2676 |
#else
|
| 2677 |
address_mask(env, &addr); |
| 2678 |
u.ll.upper = ldq_raw(addr); |
| 2679 |
u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL); |
| 2680 |
QT0 = u.q; |
| 2681 |
#endif
|
| 2682 |
} |
| 2683 |
|
| 2684 |
void helper_stqf(target_ulong addr, int mem_idx) |
| 2685 |
{
|
| 2686 |
// XXX add 128 bit store
|
| 2687 |
CPU_QuadU u; |
| 2688 |
|
| 2689 |
helper_check_align(addr, 7);
|
| 2690 |
#if !defined(CONFIG_USER_ONLY)
|
| 2691 |
switch (mem_idx) {
|
| 2692 |
case 0: |
| 2693 |
u.q = QT0; |
| 2694 |
stq_user(addr, u.ll.upper); |
| 2695 |
stq_user(addr + 8, u.ll.lower);
|
| 2696 |
break;
|
| 2697 |
case 1: |
| 2698 |
u.q = QT0; |
| 2699 |
stq_kernel(addr, u.ll.upper); |
| 2700 |
stq_kernel(addr + 8, u.ll.lower);
|
| 2701 |
break;
|
| 2702 |
#ifdef TARGET_SPARC64
|
| 2703 |
case 2: |
| 2704 |
u.q = QT0; |
| 2705 |
stq_hypv(addr, u.ll.upper); |
| 2706 |
stq_hypv(addr + 8, u.ll.lower);
|
| 2707 |
break;
|
| 2708 |
#endif
|
| 2709 |
default:
|
| 2710 |
break;
|
| 2711 |
} |
| 2712 |
#else
|
| 2713 |
u.q = QT0; |
| 2714 |
address_mask(env, &addr); |
| 2715 |
stq_raw(addr, u.ll.upper); |
| 2716 |
stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower); |
| 2717 |
#endif
|
| 2718 |
} |
| 2719 |
|
| 2720 |
static inline void set_fsr(void) |
| 2721 |
{
|
| 2722 |
int rnd_mode;
|
| 2723 |
|
| 2724 |
switch (env->fsr & FSR_RD_MASK) {
|
| 2725 |
case FSR_RD_NEAREST:
|
| 2726 |
rnd_mode = float_round_nearest_even; |
| 2727 |
break;
|
| 2728 |
default:
|
| 2729 |
case FSR_RD_ZERO:
|
| 2730 |
rnd_mode = float_round_to_zero; |
| 2731 |
break;
|
| 2732 |
case FSR_RD_POS:
|
| 2733 |
rnd_mode = float_round_up; |
| 2734 |
break;
|
| 2735 |
case FSR_RD_NEG:
|
| 2736 |
rnd_mode = float_round_down; |
| 2737 |
break;
|
| 2738 |
} |
| 2739 |
set_float_rounding_mode(rnd_mode, &env->fp_status); |
| 2740 |
} |
| 2741 |
|
| 2742 |
void helper_ldfsr(uint32_t new_fsr)
|
| 2743 |
{
|
| 2744 |
env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK); |
| 2745 |
set_fsr(); |
| 2746 |
} |
| 2747 |
|
| 2748 |
#ifdef TARGET_SPARC64
|
| 2749 |
void helper_ldxfsr(uint64_t new_fsr)
|
| 2750 |
{
|
| 2751 |
env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK); |
| 2752 |
set_fsr(); |
| 2753 |
} |
| 2754 |
#endif
|
| 2755 |
|
| 2756 |
void helper_debug(void) |
| 2757 |
{
|
| 2758 |
env->exception_index = EXCP_DEBUG; |
| 2759 |
cpu_loop_exit(); |
| 2760 |
} |
| 2761 |
|
| 2762 |
#ifndef TARGET_SPARC64
|
| 2763 |
/* XXX: use another pointer for %iN registers to avoid slow wrapping
|
| 2764 |
handling ? */
|
| 2765 |
void helper_save(void) |
| 2766 |
{
|
| 2767 |
uint32_t cwp; |
| 2768 |
|
| 2769 |
cwp = cpu_cwp_dec(env, env->cwp - 1);
|
| 2770 |
if (env->wim & (1 << cwp)) { |
| 2771 |
raise_exception(TT_WIN_OVF); |
| 2772 |
} |
| 2773 |
set_cwp(cwp); |
| 2774 |
} |
| 2775 |
|
| 2776 |
void helper_restore(void) |
| 2777 |
{
|
| 2778 |
uint32_t cwp; |
| 2779 |
|
| 2780 |
cwp = cpu_cwp_inc(env, env->cwp + 1);
|
| 2781 |
if (env->wim & (1 << cwp)) { |
| 2782 |
raise_exception(TT_WIN_UNF); |
| 2783 |
} |
| 2784 |
set_cwp(cwp); |
| 2785 |
} |
| 2786 |
|
| 2787 |
void helper_wrpsr(target_ulong new_psr)
|
| 2788 |
{
|
| 2789 |
if ((new_psr & PSR_CWP) >= env->nwindows)
|
| 2790 |
raise_exception(TT_ILL_INSN); |
| 2791 |
else
|
| 2792 |
PUT_PSR(env, new_psr); |
| 2793 |
} |
| 2794 |
|
| 2795 |
target_ulong helper_rdpsr(void)
|
| 2796 |
{
|
| 2797 |
return GET_PSR(env);
|
| 2798 |
} |
| 2799 |
|
| 2800 |
#else
|
| 2801 |
/* XXX: use another pointer for %iN registers to avoid slow wrapping
|
| 2802 |
handling ? */
|
| 2803 |
void helper_save(void) |
| 2804 |
{
|
| 2805 |
uint32_t cwp; |
| 2806 |
|
| 2807 |
cwp = cpu_cwp_dec(env, env->cwp - 1);
|
| 2808 |
if (env->cansave == 0) { |
| 2809 |
raise_exception(TT_SPILL | (env->otherwin != 0 ?
|
| 2810 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
| 2811 |
((env->wstate & 0x7) << 2))); |
| 2812 |
} else {
|
| 2813 |
if (env->cleanwin - env->canrestore == 0) { |
| 2814 |
// XXX Clean windows without trap
|
| 2815 |
raise_exception(TT_CLRWIN); |
| 2816 |
} else {
|
| 2817 |
env->cansave--; |
| 2818 |
env->canrestore++; |
| 2819 |
set_cwp(cwp); |
| 2820 |
} |
| 2821 |
} |
| 2822 |
} |
| 2823 |
|
| 2824 |
void helper_restore(void) |
| 2825 |
{
|
| 2826 |
uint32_t cwp; |
| 2827 |
|
| 2828 |
cwp = cpu_cwp_inc(env, env->cwp + 1);
|
| 2829 |
if (env->canrestore == 0) { |
| 2830 |
raise_exception(TT_FILL | (env->otherwin != 0 ?
|
| 2831 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
| 2832 |
((env->wstate & 0x7) << 2))); |
| 2833 |
} else {
|
| 2834 |
env->cansave++; |
| 2835 |
env->canrestore--; |
| 2836 |
set_cwp(cwp); |
| 2837 |
} |
| 2838 |
} |
| 2839 |
|
| 2840 |
void helper_flushw(void) |
| 2841 |
{
|
| 2842 |
if (env->cansave != env->nwindows - 2) { |
| 2843 |
raise_exception(TT_SPILL | (env->otherwin != 0 ?
|
| 2844 |
(TT_WOTHER | ((env->wstate & 0x38) >> 1)): |
| 2845 |
((env->wstate & 0x7) << 2))); |
| 2846 |
} |
| 2847 |
} |
| 2848 |
|
| 2849 |
void helper_saved(void) |
| 2850 |
{
|
| 2851 |
env->cansave++; |
| 2852 |
if (env->otherwin == 0) |
| 2853 |
env->canrestore--; |
| 2854 |
else
|
| 2855 |
env->otherwin--; |
| 2856 |
} |
| 2857 |
|
| 2858 |
void helper_restored(void) |
| 2859 |
{
|
| 2860 |
env->canrestore++; |
| 2861 |
if (env->cleanwin < env->nwindows - 1) |
| 2862 |
env->cleanwin++; |
| 2863 |
if (env->otherwin == 0) |
| 2864 |
env->cansave--; |
| 2865 |
else
|
| 2866 |
env->otherwin--; |
| 2867 |
} |
| 2868 |
|
| 2869 |
target_ulong helper_rdccr(void)
|
| 2870 |
{
|
| 2871 |
return GET_CCR(env);
|
| 2872 |
} |
| 2873 |
|
| 2874 |
void helper_wrccr(target_ulong new_ccr)
|
| 2875 |
{
|
| 2876 |
PUT_CCR(env, new_ccr); |
| 2877 |
} |
| 2878 |
|
| 2879 |
// CWP handling is reversed in V9, but we still use the V8 register
|
| 2880 |
// order.
|
| 2881 |
target_ulong helper_rdcwp(void)
|
| 2882 |
{
|
| 2883 |
return GET_CWP64(env);
|
| 2884 |
} |
| 2885 |
|
| 2886 |
void helper_wrcwp(target_ulong new_cwp)
|
| 2887 |
{
|
| 2888 |
PUT_CWP64(env, new_cwp); |
| 2889 |
} |
| 2890 |
|
| 2891 |
// This function uses non-native bit order
|
| 2892 |
#define GET_FIELD(X, FROM, TO) \
|
| 2893 |
((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1)) |
| 2894 |
|
| 2895 |
// This function uses the order in the manuals, i.e. bit 0 is 2^0
|
| 2896 |
#define GET_FIELD_SP(X, FROM, TO) \
|
| 2897 |
GET_FIELD(X, 63 - (TO), 63 - (FROM)) |
| 2898 |
|
| 2899 |
target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize) |
| 2900 |
{
|
| 2901 |
return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) | |
| 2902 |
(GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) | |
| 2903 |
(GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) | |
| 2904 |
(GET_FIELD_SP(pixel_addr, 56, 59) << 13) | |
| 2905 |
(GET_FIELD_SP(pixel_addr, 35, 38) << 9) | |
| 2906 |
(GET_FIELD_SP(pixel_addr, 13, 16) << 5) | |
| 2907 |
(((pixel_addr >> 55) & 1) << 4) | |
| 2908 |
(GET_FIELD_SP(pixel_addr, 33, 34) << 2) | |
| 2909 |
GET_FIELD_SP(pixel_addr, 11, 12); |
| 2910 |
} |
| 2911 |
|
| 2912 |
target_ulong helper_alignaddr(target_ulong addr, target_ulong offset) |
| 2913 |
{
|
| 2914 |
uint64_t tmp; |
| 2915 |
|
| 2916 |
tmp = addr + offset; |
| 2917 |
env->gsr &= ~7ULL;
|
| 2918 |
env->gsr |= tmp & 7ULL;
|
| 2919 |
return tmp & ~7ULL; |
| 2920 |
} |
| 2921 |
|
| 2922 |
target_ulong helper_popc(target_ulong val) |
| 2923 |
{
|
| 2924 |
return ctpop64(val);
|
| 2925 |
} |
| 2926 |
|
| 2927 |
static inline uint64_t *get_gregset(uint64_t pstate) |
| 2928 |
{
|
| 2929 |
switch (pstate) {
|
| 2930 |
default:
|
| 2931 |
case 0: |
| 2932 |
return env->bgregs;
|
| 2933 |
case PS_AG:
|
| 2934 |
return env->agregs;
|
| 2935 |
case PS_MG:
|
| 2936 |
return env->mgregs;
|
| 2937 |
case PS_IG:
|
| 2938 |
return env->igregs;
|
| 2939 |
} |
| 2940 |
} |
| 2941 |
|
| 2942 |
static inline void change_pstate(uint64_t new_pstate) |
| 2943 |
{
|
| 2944 |
uint64_t pstate_regs, new_pstate_regs; |
| 2945 |
uint64_t *src, *dst; |
| 2946 |
|
| 2947 |
pstate_regs = env->pstate & 0xc01;
|
| 2948 |
new_pstate_regs = new_pstate & 0xc01;
|
| 2949 |
if (new_pstate_regs != pstate_regs) {
|
| 2950 |
// Switch global register bank
|
| 2951 |
src = get_gregset(new_pstate_regs); |
| 2952 |
dst = get_gregset(pstate_regs); |
| 2953 |
memcpy32(dst, env->gregs); |
| 2954 |
memcpy32(env->gregs, src); |
| 2955 |
} |
| 2956 |
env->pstate = new_pstate; |
| 2957 |
} |
| 2958 |
|
| 2959 |
void helper_wrpstate(target_ulong new_state)
|
| 2960 |
{
|
| 2961 |
if (!(env->def->features & CPU_FEATURE_GL))
|
| 2962 |
change_pstate(new_state & 0xf3f);
|
| 2963 |
} |
| 2964 |
|
| 2965 |
void helper_done(void) |
| 2966 |
{
|
| 2967 |
env->pc = env->tsptr->tpc; |
| 2968 |
env->npc = env->tsptr->tnpc + 4;
|
| 2969 |
PUT_CCR(env, env->tsptr->tstate >> 32);
|
| 2970 |
env->asi = (env->tsptr->tstate >> 24) & 0xff; |
| 2971 |
change_pstate((env->tsptr->tstate >> 8) & 0xf3f); |
| 2972 |
PUT_CWP64(env, env->tsptr->tstate & 0xff);
|
| 2973 |
env->tl--; |
| 2974 |
env->tsptr = &env->ts[env->tl & MAXTL_MASK]; |
| 2975 |
} |
| 2976 |
|
| 2977 |
void helper_retry(void) |
| 2978 |
{
|
| 2979 |
env->pc = env->tsptr->tpc; |
| 2980 |
env->npc = env->tsptr->tnpc; |
| 2981 |
PUT_CCR(env, env->tsptr->tstate >> 32);
|
| 2982 |
env->asi = (env->tsptr->tstate >> 24) & 0xff; |
| 2983 |
change_pstate((env->tsptr->tstate >> 8) & 0xf3f); |
| 2984 |
PUT_CWP64(env, env->tsptr->tstate & 0xff);
|
| 2985 |
env->tl--; |
| 2986 |
env->tsptr = &env->ts[env->tl & MAXTL_MASK]; |
| 2987 |
} |
| 2988 |
|
| 2989 |
void helper_set_softint(uint64_t value)
|
| 2990 |
{
|
| 2991 |
env->softint |= (uint32_t)value; |
| 2992 |
} |
| 2993 |
|
| 2994 |
void helper_clear_softint(uint64_t value)
|
| 2995 |
{
|
| 2996 |
env->softint &= (uint32_t)~value; |
| 2997 |
} |
| 2998 |
|
| 2999 |
void helper_write_softint(uint64_t value)
|
| 3000 |
{
|
| 3001 |
env->softint = (uint32_t)value; |
| 3002 |
} |
| 3003 |
#endif
|
| 3004 |
|
| 3005 |
void helper_flush(target_ulong addr)
|
| 3006 |
{
|
| 3007 |
addr &= ~7;
|
| 3008 |
tb_invalidate_page_range(addr, addr + 8);
|
| 3009 |
} |
| 3010 |
|
| 3011 |
#ifdef TARGET_SPARC64
|
| 3012 |
#ifdef DEBUG_PCALL
|
| 3013 |
static const char * const excp_names[0x80] = { |
| 3014 |
[TT_TFAULT] = "Instruction Access Fault",
|
| 3015 |
[TT_TMISS] = "Instruction Access MMU Miss",
|
| 3016 |
[TT_CODE_ACCESS] = "Instruction Access Error",
|
| 3017 |
[TT_ILL_INSN] = "Illegal Instruction",
|
| 3018 |
[TT_PRIV_INSN] = "Privileged Instruction",
|
| 3019 |
[TT_NFPU_INSN] = "FPU Disabled",
|
| 3020 |
[TT_FP_EXCP] = "FPU Exception",
|
| 3021 |
[TT_TOVF] = "Tag Overflow",
|
| 3022 |
[TT_CLRWIN] = "Clean Windows",
|
| 3023 |
[TT_DIV_ZERO] = "Division By Zero",
|
| 3024 |
[TT_DFAULT] = "Data Access Fault",
|
| 3025 |
[TT_DMISS] = "Data Access MMU Miss",
|
| 3026 |
[TT_DATA_ACCESS] = "Data Access Error",
|
| 3027 |
[TT_DPROT] = "Data Protection Error",
|
| 3028 |
[TT_UNALIGNED] = "Unaligned Memory Access",
|
| 3029 |
[TT_PRIV_ACT] = "Privileged Action",
|
| 3030 |
[TT_EXTINT | 0x1] = "External Interrupt 1", |
| 3031 |
[TT_EXTINT | 0x2] = "External Interrupt 2", |
| 3032 |
[TT_EXTINT | 0x3] = "External Interrupt 3", |
| 3033 |
[TT_EXTINT | 0x4] = "External Interrupt 4", |
| 3034 |
[TT_EXTINT | 0x5] = "External Interrupt 5", |
| 3035 |
[TT_EXTINT | 0x6] = "External Interrupt 6", |
| 3036 |
[TT_EXTINT | 0x7] = "External Interrupt 7", |
| 3037 |
[TT_EXTINT | 0x8] = "External Interrupt 8", |
| 3038 |
[TT_EXTINT | 0x9] = "External Interrupt 9", |
| 3039 |
[TT_EXTINT | 0xa] = "External Interrupt 10", |
| 3040 |
[TT_EXTINT | 0xb] = "External Interrupt 11", |
| 3041 |
[TT_EXTINT | 0xc] = "External Interrupt 12", |
| 3042 |
[TT_EXTINT | 0xd] = "External Interrupt 13", |
| 3043 |
[TT_EXTINT | 0xe] = "External Interrupt 14", |
| 3044 |
[TT_EXTINT | 0xf] = "External Interrupt 15", |
| 3045 |
}; |
| 3046 |
#endif
|
| 3047 |
|
| 3048 |
void do_interrupt(CPUState *env)
|
| 3049 |
{
|
| 3050 |
int intno = env->exception_index;
|
| 3051 |
|
| 3052 |
#ifdef DEBUG_PCALL
|
| 3053 |
if (qemu_loglevel_mask(CPU_LOG_INT)) {
|
| 3054 |
static int count; |
| 3055 |
const char *name; |
| 3056 |
|
| 3057 |
if (intno < 0 || intno >= 0x180) |
| 3058 |
name = "Unknown";
|
| 3059 |
else if (intno >= 0x100) |
| 3060 |
name = "Trap Instruction";
|
| 3061 |
else if (intno >= 0xc0) |
| 3062 |
name = "Window Fill";
|
| 3063 |
else if (intno >= 0x80) |
| 3064 |
name = "Window Spill";
|
| 3065 |
else {
|
| 3066 |
name = excp_names[intno]; |
| 3067 |
if (!name)
|
| 3068 |
name = "Unknown";
|
| 3069 |
} |
| 3070 |
|
| 3071 |
qemu_log("%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64 |
| 3072 |
" SP=%016" PRIx64 "\n", |
| 3073 |
count, name, intno, |
| 3074 |
env->pc, |
| 3075 |
env->npc, env->regwptr[6]);
|
| 3076 |
log_cpu_state(env, 0);
|
| 3077 |
#if 0
|
| 3078 |
{
|
| 3079 |
int i;
|
| 3080 |
uint8_t *ptr;
|
| 3081 |
|
| 3082 |
qemu_log(" code=");
|
| 3083 |
ptr = (uint8_t *)env->pc;
|
| 3084 |
for(i = 0; i < 16; i++) {
|
| 3085 |
qemu_log(" %02x", ldub(ptr + i));
|
| 3086 |
}
|
| 3087 |
qemu_log("\n");
|
| 3088 |
}
|
| 3089 |
#endif
|
| 3090 |
count++; |
| 3091 |
} |
| 3092 |
#endif
|
| 3093 |
#if !defined(CONFIG_USER_ONLY)
|
| 3094 |
if (env->tl >= env->maxtl) {
|
| 3095 |
cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
|
| 3096 |
" Error state", env->exception_index, env->tl, env->maxtl);
|
| 3097 |
return;
|
| 3098 |
} |
| 3099 |
#endif
|
| 3100 |
if (env->tl < env->maxtl - 1) { |
| 3101 |
env->tl++; |
| 3102 |
} else {
|
| 3103 |
env->pstate |= PS_RED; |
| 3104 |
if (env->tl < env->maxtl)
|
| 3105 |
env->tl++; |
| 3106 |
} |
| 3107 |
env->tsptr = &env->ts[env->tl & MAXTL_MASK]; |
| 3108 |
env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
|
| 3109 |
((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) | |
| 3110 |
GET_CWP64(env); |
| 3111 |
env->tsptr->tpc = env->pc; |
| 3112 |
env->tsptr->tnpc = env->npc; |
| 3113 |
env->tsptr->tt = intno; |
| 3114 |
if (!(env->def->features & CPU_FEATURE_GL)) {
|
| 3115 |
switch (intno) {
|
| 3116 |
case TT_IVEC:
|
| 3117 |
change_pstate(PS_PEF | PS_PRIV | PS_IG); |
| 3118 |
break;
|
| 3119 |
case TT_TFAULT:
|
| 3120 |
case TT_TMISS:
|
| 3121 |
case TT_DFAULT:
|
| 3122 |
case TT_DMISS:
|
| 3123 |
case TT_DPROT:
|
| 3124 |
change_pstate(PS_PEF | PS_PRIV | PS_MG); |
| 3125 |
break;
|
| 3126 |
default:
|
| 3127 |
change_pstate(PS_PEF | PS_PRIV | PS_AG); |
| 3128 |
break;
|
| 3129 |
} |
| 3130 |
} |
| 3131 |
if (intno == TT_CLRWIN)
|
| 3132 |
cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
|
| 3133 |
else if ((intno & 0x1c0) == TT_SPILL) |
| 3134 |
cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
|
| 3135 |
else if ((intno & 0x1c0) == TT_FILL) |
| 3136 |
cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
|
| 3137 |
env->tbr &= ~0x7fffULL;
|
| 3138 |
env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5); |
| 3139 |
env->pc = env->tbr; |
| 3140 |
env->npc = env->pc + 4;
|
| 3141 |
env->exception_index = 0;
|
| 3142 |
} |
| 3143 |
#else
|
| 3144 |
#ifdef DEBUG_PCALL
|
| 3145 |
static const char * const excp_names[0x80] = { |
| 3146 |
[TT_TFAULT] = "Instruction Access Fault",
|
| 3147 |
[TT_ILL_INSN] = "Illegal Instruction",
|
| 3148 |
[TT_PRIV_INSN] = "Privileged Instruction",
|
| 3149 |
[TT_NFPU_INSN] = "FPU Disabled",
|
| 3150 |
[TT_WIN_OVF] = "Window Overflow",
|
| 3151 |
[TT_WIN_UNF] = "Window Underflow",
|
| 3152 |
[TT_UNALIGNED] = "Unaligned Memory Access",
|
| 3153 |
[TT_FP_EXCP] = "FPU Exception",
|
| 3154 |
[TT_DFAULT] = "Data Access Fault",
|
| 3155 |
[TT_TOVF] = "Tag Overflow",
|
| 3156 |
[TT_EXTINT | 0x1] = "External Interrupt 1", |
| 3157 |
[TT_EXTINT | 0x2] = "External Interrupt 2", |
| 3158 |
[TT_EXTINT | 0x3] = "External Interrupt 3", |
| 3159 |
[TT_EXTINT | 0x4] = "External Interrupt 4", |
| 3160 |
[TT_EXTINT | 0x5] = "External Interrupt 5", |
| 3161 |
[TT_EXTINT | 0x6] = "External Interrupt 6", |
| 3162 |
[TT_EXTINT | 0x7] = "External Interrupt 7", |
| 3163 |
[TT_EXTINT | 0x8] = "External Interrupt 8", |
| 3164 |
[TT_EXTINT | 0x9] = "External Interrupt 9", |
| 3165 |
[TT_EXTINT | 0xa] = "External Interrupt 10", |
| 3166 |
[TT_EXTINT | 0xb] = "External Interrupt 11", |
| 3167 |
[TT_EXTINT | 0xc] = "External Interrupt 12", |
| 3168 |
[TT_EXTINT | 0xd] = "External Interrupt 13", |
| 3169 |
[TT_EXTINT | 0xe] = "External Interrupt 14", |
| 3170 |
[TT_EXTINT | 0xf] = "External Interrupt 15", |
| 3171 |
[TT_TOVF] = "Tag Overflow",
|
| 3172 |
[TT_CODE_ACCESS] = "Instruction Access Error",
|
| 3173 |
[TT_DATA_ACCESS] = "Data Access Error",
|
| 3174 |
[TT_DIV_ZERO] = "Division By Zero",
|
| 3175 |
[TT_NCP_INSN] = "Coprocessor Disabled",
|
| 3176 |
}; |
| 3177 |
#endif
|
| 3178 |
|
| 3179 |
void do_interrupt(CPUState *env)
|
| 3180 |
{
|
| 3181 |
int cwp, intno = env->exception_index;
|
| 3182 |
|
| 3183 |
#ifdef DEBUG_PCALL
|
| 3184 |
if (qemu_loglevel_mask(CPU_LOG_INT)) {
|
| 3185 |
static int count; |
| 3186 |
const char *name; |
| 3187 |
|
| 3188 |
if (intno < 0 || intno >= 0x100) |
| 3189 |
name = "Unknown";
|
| 3190 |
else if (intno >= 0x80) |
| 3191 |
name = "Trap Instruction";
|
| 3192 |
else {
|
| 3193 |
name = excp_names[intno]; |
| 3194 |
if (!name)
|
| 3195 |
name = "Unknown";
|
| 3196 |
} |
| 3197 |
|
| 3198 |
qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
|
| 3199 |
count, name, intno, |
| 3200 |
env->pc, |
| 3201 |
env->npc, env->regwptr[6]);
|
| 3202 |
log_cpu_state(env, 0);
|
| 3203 |
#if 0
|
| 3204 |
{
|
| 3205 |
int i;
|
| 3206 |
uint8_t *ptr;
|
| 3207 |
|
| 3208 |
qemu_log(" code=");
|
| 3209 |
ptr = (uint8_t *)env->pc;
|
| 3210 |
for(i = 0; i < 16; i++) {
|
| 3211 |
qemu_log(" %02x", ldub(ptr + i));
|
| 3212 |
}
|
| 3213 |
qemu_log("\n");
|
| 3214 |
}
|
| 3215 |
#endif
|
| 3216 |
count++; |
| 3217 |
} |
| 3218 |
#endif
|
| 3219 |
#if !defined(CONFIG_USER_ONLY)
|
| 3220 |
if (env->psret == 0) { |
| 3221 |
cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
|
| 3222 |
env->exception_index); |
| 3223 |
return;
|
| 3224 |
} |
| 3225 |
#endif
|
| 3226 |
env->psret = 0;
|
| 3227 |
cwp = cpu_cwp_dec(env, env->cwp - 1);
|
| 3228 |
cpu_set_cwp(env, cwp); |
| 3229 |
env->regwptr[9] = env->pc;
|
| 3230 |
env->regwptr[10] = env->npc;
|
| 3231 |
env->psrps = env->psrs; |
| 3232 |
env->psrs = 1;
|
| 3233 |
env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
|
| 3234 |
env->pc = env->tbr; |
| 3235 |
env->npc = env->pc + 4;
|
| 3236 |
env->exception_index = 0;
|
| 3237 |
} |
| 3238 |
#endif
|
| 3239 |
|
| 3240 |
#if !defined(CONFIG_USER_ONLY)
|
| 3241 |
|
| 3242 |
static void do_unaligned_access(target_ulong addr, int is_write, int is_user, |
| 3243 |
void *retaddr);
|
| 3244 |
|
| 3245 |
#define MMUSUFFIX _mmu
|
| 3246 |
#define ALIGNED_ONLY
|
| 3247 |
|
| 3248 |
#define SHIFT 0 |
| 3249 |
#include "softmmu_template.h" |
| 3250 |
|
| 3251 |
#define SHIFT 1 |
| 3252 |
#include "softmmu_template.h" |
| 3253 |
|
| 3254 |
#define SHIFT 2 |
| 3255 |
#include "softmmu_template.h" |
| 3256 |
|
| 3257 |
#define SHIFT 3 |
| 3258 |
#include "softmmu_template.h" |
| 3259 |
|
| 3260 |
/* XXX: make it generic ? */
|
| 3261 |
static void cpu_restore_state2(void *retaddr) |
| 3262 |
{
|
| 3263 |
TranslationBlock *tb; |
| 3264 |
unsigned long pc; |
| 3265 |
|
| 3266 |
if (retaddr) {
|
| 3267 |
/* now we have a real cpu fault */
|
| 3268 |
pc = (unsigned long)retaddr; |
| 3269 |
tb = tb_find_pc(pc); |
| 3270 |
if (tb) {
|
| 3271 |
/* the PC is inside the translated code. It means that we have
|
| 3272 |
a virtual CPU fault */
|
| 3273 |
cpu_restore_state(tb, env, pc, (void *)(long)env->cond); |
| 3274 |
} |
| 3275 |
} |
| 3276 |
} |
| 3277 |
|
| 3278 |
static void do_unaligned_access(target_ulong addr, int is_write, int is_user, |
| 3279 |
void *retaddr)
|
| 3280 |
{
|
| 3281 |
#ifdef DEBUG_UNALIGNED
|
| 3282 |
printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx |
| 3283 |
"\n", addr, env->pc);
|
| 3284 |
#endif
|
| 3285 |
cpu_restore_state2(retaddr); |
| 3286 |
raise_exception(TT_UNALIGNED); |
| 3287 |
} |
| 3288 |
|
| 3289 |
/* try to fill the TLB and return an exception if error. If retaddr is
|
| 3290 |
NULL, it means that the function was called in C code (i.e. not
|
| 3291 |
from generated code or from helper.c) */
|
| 3292 |
/* XXX: fix it to restore all registers */
|
| 3293 |
void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr) |
| 3294 |
{
|
| 3295 |
int ret;
|
| 3296 |
CPUState *saved_env; |
| 3297 |
|
| 3298 |
/* XXX: hack to restore env in all cases, even if not called from
|
| 3299 |
generated code */
|
| 3300 |
saved_env = env; |
| 3301 |
env = cpu_single_env; |
| 3302 |
|
| 3303 |
ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
|
| 3304 |
if (ret) {
|
| 3305 |
cpu_restore_state2(retaddr); |
| 3306 |
cpu_loop_exit(); |
| 3307 |
} |
| 3308 |
env = saved_env; |
| 3309 |
} |
| 3310 |
|
| 3311 |
#endif
|
| 3312 |
|
| 3313 |
#ifndef TARGET_SPARC64
|
| 3314 |
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
| 3315 |
int is_asi, int size) |
| 3316 |
{
|
| 3317 |
CPUState *saved_env; |
| 3318 |
|
| 3319 |
/* XXX: hack to restore env in all cases, even if not called from
|
| 3320 |
generated code */
|
| 3321 |
saved_env = env; |
| 3322 |
env = cpu_single_env; |
| 3323 |
#ifdef DEBUG_UNASSIGNED
|
| 3324 |
if (is_asi)
|
| 3325 |
printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
|
| 3326 |
" asi 0x%02x from " TARGET_FMT_lx "\n", |
| 3327 |
is_exec ? "exec" : is_write ? "write" : "read", size, |
| 3328 |
size == 1 ? "" : "s", addr, is_asi, env->pc); |
| 3329 |
else
|
| 3330 |
printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
|
| 3331 |
" from " TARGET_FMT_lx "\n", |
| 3332 |
is_exec ? "exec" : is_write ? "write" : "read", size, |
| 3333 |
size == 1 ? "" : "s", addr, env->pc); |
| 3334 |
#endif
|
| 3335 |
if (env->mmuregs[3]) /* Fault status register */ |
| 3336 |
env->mmuregs[3] = 1; /* overflow (not read before another fault) */ |
| 3337 |
if (is_asi)
|
| 3338 |
env->mmuregs[3] |= 1 << 16; |
| 3339 |
if (env->psrs)
|
| 3340 |
env->mmuregs[3] |= 1 << 5; |
| 3341 |
if (is_exec)
|
| 3342 |
env->mmuregs[3] |= 1 << 6; |
| 3343 |
if (is_write)
|
| 3344 |
env->mmuregs[3] |= 1 << 7; |
| 3345 |
env->mmuregs[3] |= (5 << 2) | 2; |
| 3346 |
env->mmuregs[4] = addr; /* Fault address register */ |
| 3347 |
if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) { |
| 3348 |
if (is_exec)
|
| 3349 |
raise_exception(TT_CODE_ACCESS); |
| 3350 |
else
|
| 3351 |
raise_exception(TT_DATA_ACCESS); |
| 3352 |
} |
| 3353 |
env = saved_env; |
| 3354 |
} |
| 3355 |
#else
|
| 3356 |
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
| 3357 |
int is_asi, int size) |
| 3358 |
{
|
| 3359 |
#ifdef DEBUG_UNASSIGNED
|
| 3360 |
CPUState *saved_env; |
| 3361 |
|
| 3362 |
/* XXX: hack to restore env in all cases, even if not called from
|
| 3363 |
generated code */
|
| 3364 |
saved_env = env; |
| 3365 |
env = cpu_single_env; |
| 3366 |
printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx |
| 3367 |
"\n", addr, env->pc);
|
| 3368 |
env = saved_env; |
| 3369 |
#endif
|
| 3370 |
if (is_exec)
|
| 3371 |
raise_exception(TT_CODE_ACCESS); |
| 3372 |
else
|
| 3373 |
raise_exception(TT_DATA_ACCESS); |
| 3374 |
} |
| 3375 |
#endif
|
| 3376 |
|
| 3377 |
#ifdef TARGET_SPARC64
|
| 3378 |
void helper_tick_set_count(void *opaque, uint64_t count) |
| 3379 |
{
|
| 3380 |
#if !defined(CONFIG_USER_ONLY)
|
| 3381 |
cpu_tick_set_count(opaque, count); |
| 3382 |
#endif
|
| 3383 |
} |
| 3384 |
|
| 3385 |
uint64_t helper_tick_get_count(void *opaque)
|
| 3386 |
{
|
| 3387 |
#if !defined(CONFIG_USER_ONLY)
|
| 3388 |
return cpu_tick_get_count(opaque);
|
| 3389 |
#else
|
| 3390 |
return 0; |
| 3391 |
#endif
|
| 3392 |
} |
| 3393 |
|
| 3394 |
void helper_tick_set_limit(void *opaque, uint64_t limit) |
| 3395 |
{
|
| 3396 |
#if !defined(CONFIG_USER_ONLY)
|
| 3397 |
cpu_tick_set_limit(opaque, limit); |
| 3398 |
#endif
|
| 3399 |
} |
| 3400 |
#endif
|