#include "exec.h"
#include "host-utils.h"
#include "helper.h"
-#if !defined(CONFIG_USER_ONLY)
-#include "softmmu_exec.h"
-#endif /* !defined(CONFIG_USER_ONLY) */
+#include "sysemu.h"
//#define DEBUG_MMU
//#define DEBUG_MXCC
//#define DEBUG_UNASSIGNED
//#define DEBUG_ASI
//#define DEBUG_PCALL
+//#define DEBUG_PSTATE
+//#define DEBUG_CACHE_CONTROL
#ifdef DEBUG_MMU
#define DPRINTF_MMU(fmt, ...) \
do { printf("ASI: " fmt , ## __VA_ARGS__); } while (0)
#endif
+#ifdef DEBUG_PSTATE
+#define DPRINTF_PSTATE(fmt, ...) \
+ do { printf("PSTATE: " fmt , ## __VA_ARGS__); } while (0)
+#else
+#define DPRINTF_PSTATE(fmt, ...) do {} while (0)
+#endif
+
+#ifdef DEBUG_CACHE_CONTROL
+#define DPRINTF_CACHE_CONTROL(fmt, ...) \
+ do { printf("CACHE_CONTROL: " fmt , ## __VA_ARGS__); } while (0)
+#else
+#define DPRINTF_CACHE_CONTROL(fmt, ...) do {} while (0)
+#endif
+
#ifdef TARGET_SPARC64
#ifndef TARGET_ABI32
#define AM_CHECK(env1) ((env1)->pstate & PS_AM)
#endif
#endif
+#define DT0 (env->dt0)
+#define DT1 (env->dt1)
+#define QT0 (env->qt0)
+#define QT1 (env->qt1)
+
+/* Leon3 cache control */
+
+/* Cache control: emulate the behavior of cache control registers but without
+ any effect on the emulated */
+
+#define CACHE_STATE_MASK 0x3
+#define CACHE_DISABLED 0x0
+#define CACHE_FROZEN 0x1
+#define CACHE_ENABLED 0x3
+
+/* Cache Control register fields */
+
+#define CACHE_CTRL_IF (1 << 4) /* Instruction Cache Freeze on Interrupt */
+#define CACHE_CTRL_DF (1 << 5) /* Data Cache Freeze on Interrupt */
+#define CACHE_CTRL_DP (1 << 14) /* Data cache flush pending */
+#define CACHE_CTRL_IP (1 << 15) /* Instruction cache flush pending */
+#define CACHE_CTRL_IB (1 << 16) /* Instruction burst fetch */
+#define CACHE_CTRL_FI (1 << 21) /* Flush Instruction cache (Write only) */
+#define CACHE_CTRL_FD (1 << 22) /* Flush Data cache (Write only) */
+#define CACHE_CTRL_DS (1 << 23) /* Data cache snoop enable */
+
+#if defined(CONFIG_USER_ONLY) && defined(TARGET_SPARC64)
+static void do_unassigned_access(target_ulong addr, int is_write, int is_exec,
+ int is_asi, int size);
+#endif
+
#if defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
// Calculates TSB pointer value for fault page size 8k or 64k
static uint64_t ultrasparc_tsb_pointer(uint64_t tsb_register,
int page_size)
{
uint64_t tsb_base = tsb_register & ~0x1fffULL;
- int tsb_split = (env->dmmuregs[5] & 0x1000ULL) ? 1 : 0;
- int tsb_size = env->dmmuregs[5] & 0xf;
+ int tsb_split = (tsb_register & 0x1000ULL) ? 1 : 0;
+ int tsb_size = tsb_register & 0xf;
// discard lower 13 bits which hold tag access context
uint64_t tag_access_va = tag_access_register & ~0x1fffULL;
return ((tag_access_register & 0x1fff) << 48) | (tag_access_register >> 22);
}
+static void replace_tlb_entry(SparcTLBEntry *tlb,
+ uint64_t tlb_tag, uint64_t tlb_tte,
+ CPUState *env1)
+{
+ target_ulong mask, size, va, offset;
+
+ // flush page range if translation is valid
+ if (TTE_IS_VALID(tlb->tte)) {
+
+ mask = 0xffffffffffffe000ULL;
+ mask <<= 3 * ((tlb->tte >> 61) & 3);
+ size = ~mask + 1;
+
+ va = tlb->tag & mask;
+
+ for (offset = 0; offset < size; offset += TARGET_PAGE_SIZE) {
+ tlb_flush_page(env1, va + offset);
+ }
+ }
+
+ tlb->tag = tlb_tag;
+ tlb->tte = tlb_tte;
+}
+
+static void demap_tlb(SparcTLBEntry *tlb, target_ulong demap_addr,
+ const char* strmmu, CPUState *env1)
+{
+ unsigned int i;
+ target_ulong mask;
+ uint64_t context;
+
+ int is_demap_context = (demap_addr >> 6) & 1;
+
+ // demap context
+ switch ((demap_addr >> 4) & 3) {
+ case 0: // primary
+ context = env1->dmmu.mmu_primary_context;
+ break;
+ case 1: // secondary
+ context = env1->dmmu.mmu_secondary_context;
+ break;
+ case 2: // nucleus
+ context = 0;
+ break;
+ case 3: // reserved
+ default:
+ return;
+ }
+
+ for (i = 0; i < 64; i++) {
+ if (TTE_IS_VALID(tlb[i].tte)) {
+
+ if (is_demap_context) {
+ // will remove non-global entries matching context value
+ if (TTE_IS_GLOBAL(tlb[i].tte) ||
+ !tlb_compare_context(&tlb[i], context)) {
+ continue;
+ }
+ } else {
+ // demap page
+ // will remove any entry matching VA
+ mask = 0xffffffffffffe000ULL;
+ mask <<= 3 * ((tlb[i].tte >> 61) & 3);
+
+ if (!compare_masked(demap_addr, tlb[i].tag, mask)) {
+ continue;
+ }
+
+ // entry should be global or matching context value
+ if (!TTE_IS_GLOBAL(tlb[i].tte) &&
+ !tlb_compare_context(&tlb[i], context)) {
+ continue;
+ }
+ }
+
+ replace_tlb_entry(&tlb[i], 0, 0, env1);
+#ifdef DEBUG_MMU
+ DPRINTF_MMU("%s demap invalidated entry [%02u]\n", strmmu, i);
+ dump_mmu(stdout, fprintf, env1);
+#endif
+ }
+ }
+}
+
+static void replace_tlb_1bit_lru(SparcTLBEntry *tlb,
+ uint64_t tlb_tag, uint64_t tlb_tte,
+ const char* strmmu, CPUState *env1)
+{
+ unsigned int i, replace_used;
+
+ // Try replacing invalid entry
+ for (i = 0; i < 64; i++) {
+ if (!TTE_IS_VALID(tlb[i].tte)) {
+ replace_tlb_entry(&tlb[i], tlb_tag, tlb_tte, env1);
+#ifdef DEBUG_MMU
+ DPRINTF_MMU("%s lru replaced invalid entry [%i]\n", strmmu, i);
+ dump_mmu(stdout, fprintf, env1);
+#endif
+ return;
+ }
+ }
+
+ // All entries are valid, try replacing unlocked entry
+
+ for (replace_used = 0; replace_used < 2; ++replace_used) {
+
+ // Used entries are not replaced on first pass
+
+ for (i = 0; i < 64; i++) {
+ if (!TTE_IS_LOCKED(tlb[i].tte) && !TTE_IS_USED(tlb[i].tte)) {
+
+ replace_tlb_entry(&tlb[i], tlb_tag, tlb_tte, env1);
+#ifdef DEBUG_MMU
+ DPRINTF_MMU("%s lru replaced unlocked %s entry [%i]\n",
+ strmmu, (replace_used?"used":"unused"), i);
+ dump_mmu(stdout, fprintf, env1);
+#endif
+ return;
+ }
+ }
+
+ // Now reset used bit and search for unused entries again
+
+ for (i = 0; i < 64; i++) {
+ TTE_SET_UNUSED(tlb[i].tte);
+ }
+ }
+
+#ifdef DEBUG_MMU
+ DPRINTF_MMU("%s lru replacement failed: no entries available\n", strmmu);
+#endif
+ // error state?
+}
+
#endif
-static inline void address_mask(CPUState *env1, target_ulong *addr)
+static inline target_ulong address_mask(CPUState *env1, target_ulong addr)
{
#ifdef TARGET_SPARC64
if (AM_CHECK(env1))
- *addr &= 0xffffffffULL;
+ addr &= 0xffffffffULL;
+#endif
+ return addr;
+}
+
+/* returns true if access using this ASI is to have address translated by MMU
+ otherwise access is to raw physical address */
+static inline int is_translating_asi(int asi)
+{
+#ifdef TARGET_SPARC64
+ /* Ultrasparc IIi translating asi
+ - note this list is defined by cpu implementation
+ */
+ switch (asi) {
+ case 0x04 ... 0x11:
+ case 0x18 ... 0x19:
+ case 0x24 ... 0x2C:
+ case 0x70 ... 0x73:
+ case 0x78 ... 0x79:
+ case 0x80 ... 0xFF:
+ return 1;
+
+ default:
+ return 0;
+ }
+#else
+ /* TODO: check sparc32 bits */
+ return 0;
#endif
}
+static inline target_ulong asi_address_mask(CPUState *env1,
+ int asi, target_ulong addr)
+{
+ if (is_translating_asi(asi)) {
+ return address_mask(env, addr);
+ } else {
+ return addr;
+ }
+}
+
static void raise_exception(int tt)
{
env->exception_index = tt;
- cpu_loop_exit();
+ cpu_loop_exit(env);
}
void HELPER(raise_exception)(int tt)
raise_exception(tt);
}
-static inline void set_cwp(int new_cwp)
+void helper_shutdown(void)
{
- cpu_set_cwp(env, new_cwp);
+#if !defined(CONFIG_USER_ONLY)
+ qemu_system_shutdown_request();
+#endif
}
void helper_check_align(target_ulong addr, uint32_t align)
*((uint64_t *)&DT0) = tmp;
}
-#ifdef WORDS_BIGENDIAN
+#ifdef HOST_WORDS_BIGENDIAN
#define VIS_B64(n) b[7 - (n)]
#define VIS_W64(n) w[3 - (n)]
#define VIS_SW64(n) sw[3 - (n)]
QT0 = float128_sqrt(QT1, &env->fp_status);
}
-#define GEN_FCMP(name, size, reg1, reg2, FS, TRAP) \
+#define GEN_FCMP(name, size, reg1, reg2, FS, E) \
void glue(helper_, name) (void) \
{ \
- target_ulong new_fsr; \
- \
- env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
+ env->fsr &= FSR_FTT_NMASK; \
+ if (E && (glue(size, _is_any_nan)(reg1) || \
+ glue(size, _is_any_nan)(reg2)) && \
+ (env->fsr & FSR_NVM)) { \
+ env->fsr |= FSR_NVC; \
+ env->fsr |= FSR_FTT_IEEE_EXCP; \
+ raise_exception(TT_FP_EXCP); \
+ } \
switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
case float_relation_unordered: \
- new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \
- if ((env->fsr & FSR_NVM) || TRAP) { \
- env->fsr |= new_fsr; \
+ if ((env->fsr & FSR_NVM)) { \
env->fsr |= FSR_NVC; \
env->fsr |= FSR_FTT_IEEE_EXCP; \
raise_exception(TT_FP_EXCP); \
} else { \
+ env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
+ env->fsr |= (FSR_FCC1 | FSR_FCC0) << FS; \
env->fsr |= FSR_NVA; \
} \
break; \
case float_relation_less: \
- new_fsr = FSR_FCC0 << FS; \
+ env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
+ env->fsr |= FSR_FCC0 << FS; \
break; \
case float_relation_greater: \
- new_fsr = FSR_FCC1 << FS; \
+ env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
+ env->fsr |= FSR_FCC1 << FS; \
break; \
default: \
- new_fsr = 0; \
+ env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
break; \
} \
- env->fsr |= new_fsr; \
}
-#define GEN_FCMPS(name, size, FS, TRAP) \
+#define GEN_FCMPS(name, size, FS, E) \
void glue(helper_, name)(float32 src1, float32 src2) \
{ \
- target_ulong new_fsr; \
- \
- env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
+ env->fsr &= FSR_FTT_NMASK; \
+ if (E && (glue(size, _is_any_nan)(src1) || \
+ glue(size, _is_any_nan)(src2)) && \
+ (env->fsr & FSR_NVM)) { \
+ env->fsr |= FSR_NVC; \
+ env->fsr |= FSR_FTT_IEEE_EXCP; \
+ raise_exception(TT_FP_EXCP); \
+ } \
switch (glue(size, _compare) (src1, src2, &env->fp_status)) { \
case float_relation_unordered: \
- new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \
- if ((env->fsr & FSR_NVM) || TRAP) { \
- env->fsr |= new_fsr; \
+ if ((env->fsr & FSR_NVM)) { \
env->fsr |= FSR_NVC; \
env->fsr |= FSR_FTT_IEEE_EXCP; \
raise_exception(TT_FP_EXCP); \
} else { \
+ env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
+ env->fsr |= (FSR_FCC1 | FSR_FCC0) << FS; \
env->fsr |= FSR_NVA; \
} \
break; \
case float_relation_less: \
- new_fsr = FSR_FCC0 << FS; \
+ env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
+ env->fsr |= FSR_FCC0 << FS; \
break; \
case float_relation_greater: \
- new_fsr = FSR_FCC1 << FS; \
+ env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
+ env->fsr |= FSR_FCC1 << FS; \
break; \
default: \
- new_fsr = 0; \
+ env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \
break; \
} \
- env->fsr |= new_fsr; \
}
GEN_FCMPS(fcmps, float32, 0, 0);
return env->psr & PSR_CARRY;
}
-static inline uint32_t get_NZ_icc(target_ulong dst)
+static inline uint32_t get_NZ_icc(int32_t dst)
{
uint32_t ret = 0;
- if (!(dst & 0xffffffffULL))
- ret |= PSR_ZERO;
- if ((int32_t) (dst & 0xffffffffULL) < 0)
- ret |= PSR_NEG;
+ if (dst == 0) {
+ ret = PSR_ZERO;
+ } else if (dst < 0) {
+ ret = PSR_NEG;
+ }
return ret;
}
return env->xcc & PSR_CARRY;
}
-static inline uint32_t get_NZ_xcc(target_ulong dst)
+static inline uint32_t get_NZ_xcc(target_long dst)
{
uint32_t ret = 0;
- if (!dst)
- ret |= PSR_ZERO;
- if ((int64_t)dst < 0)
- ret |= PSR_NEG;
+ if (!dst) {
+ ret = PSR_ZERO;
+ } else if (dst < 0) {
+ ret = PSR_NEG;
+ }
return ret;
}
#endif
{
uint32_t ret = 0;
- if (src2 != 0)
- ret |= PSR_OVF;
+ if (src2 != 0) {
+ ret = PSR_OVF;
+ }
return ret;
}
return 0;
}
-static inline uint32_t get_C_add_icc(target_ulong dst, target_ulong src1)
+static inline uint32_t get_C_add_icc(uint32_t dst, uint32_t src1)
{
uint32_t ret = 0;
- if ((dst & 0xffffffffULL) < (src1 & 0xffffffffULL))
- ret |= PSR_CARRY;
+ if (dst < src1) {
+ ret = PSR_CARRY;
+ }
return ret;
}
-static inline uint32_t get_V_add_icc(target_ulong dst, target_ulong src1,
- target_ulong src2)
+static inline uint32_t get_C_addx_icc(uint32_t dst, uint32_t src1,
+ uint32_t src2)
{
uint32_t ret = 0;
- if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 31))
- ret |= PSR_OVF;
+ if (((src1 & src2) | (~dst & (src1 | src2))) & (1U << 31)) {
+ ret = PSR_CARRY;
+ }
return ret;
}
-static uint32_t compute_all_add(void)
+static inline uint32_t get_V_add_icc(uint32_t dst, uint32_t src1,
+ uint32_t src2)
{
- uint32_t ret;
+ uint32_t ret = 0;
- ret = get_NZ_icc(CC_DST);
- ret |= get_C_add_icc(CC_DST, CC_SRC);
- ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2);
+ if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1U << 31)) {
+ ret = PSR_OVF;
+ }
return ret;
}
-static uint32_t compute_C_add(void)
+#ifdef TARGET_SPARC64
+static inline uint32_t get_C_add_xcc(target_ulong dst, target_ulong src1)
{
- return get_C_add_icc(CC_DST, CC_SRC);
+ uint32_t ret = 0;
+
+ if (dst < src1) {
+ ret = PSR_CARRY;
+ }
+ return ret;
}
-#ifdef TARGET_SPARC64
-static inline uint32_t get_C_add_xcc(target_ulong dst, target_ulong src1)
+static inline uint32_t get_C_addx_xcc(target_ulong dst, target_ulong src1,
+ target_ulong src2)
{
uint32_t ret = 0;
- if (dst < src1)
- ret |= PSR_CARRY;
+ if (((src1 & src2) | (~dst & (src1 | src2))) & (1ULL << 63)) {
+ ret = PSR_CARRY;
+ }
return ret;
}
{
uint32_t ret = 0;
- if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 63))
- ret |= PSR_OVF;
+ if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 63)) {
+ ret = PSR_OVF;
+ }
return ret;
}
}
#endif
-static uint32_t compute_all_addx(void)
+static uint32_t compute_all_add(void)
{
uint32_t ret;
ret = get_NZ_icc(CC_DST);
- ret |= get_C_add_icc(CC_DST - CC_SRC2, CC_SRC);
ret |= get_C_add_icc(CC_DST, CC_SRC);
ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2);
return ret;
}
-static uint32_t compute_C_addx(void)
+static uint32_t compute_C_add(void)
{
- uint32_t ret;
-
- ret = get_C_add_icc(CC_DST - CC_SRC2, CC_SRC);
- ret |= get_C_add_icc(CC_DST, CC_SRC);
- return ret;
+ return get_C_add_icc(CC_DST, CC_SRC);
}
#ifdef TARGET_SPARC64
uint32_t ret;
ret = get_NZ_xcc(CC_DST);
- ret |= get_C_add_xcc(CC_DST - CC_SRC2, CC_SRC);
- ret |= get_C_add_xcc(CC_DST, CC_SRC);
+ ret |= get_C_addx_xcc(CC_DST, CC_SRC, CC_SRC2);
ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2);
return ret;
}
{
uint32_t ret;
- ret = get_C_add_xcc(CC_DST - CC_SRC2, CC_SRC);
- ret |= get_C_add_xcc(CC_DST, CC_SRC);
+ ret = get_C_addx_xcc(CC_DST, CC_SRC, CC_SRC2);
return ret;
}
#endif
+static uint32_t compute_all_addx(void)
+{
+ uint32_t ret;
+
+ ret = get_NZ_icc(CC_DST);
+ ret |= get_C_addx_icc(CC_DST, CC_SRC, CC_SRC2);
+ ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2);
+ return ret;
+}
+
+static uint32_t compute_C_addx(void)
+{
+ uint32_t ret;
+
+ ret = get_C_addx_icc(CC_DST, CC_SRC, CC_SRC2);
+ return ret;
+}
+
static inline uint32_t get_V_tag_icc(target_ulong src1, target_ulong src2)
{
uint32_t ret = 0;
- if ((src1 | src2) & 0x3)
- ret |= PSR_OVF;
+ if ((src1 | src2) & 0x3) {
+ ret = PSR_OVF;
+ }
return ret;
}
return ret;
}
-static uint32_t compute_C_tadd(void)
-{
- return get_C_add_icc(CC_DST, CC_SRC);
-}
-
static uint32_t compute_all_taddtv(void)
{
uint32_t ret;
return ret;
}
-static uint32_t compute_C_taddtv(void)
-{
- return get_C_add_icc(CC_DST, CC_SRC);
-}
-
-static inline uint32_t get_C_sub_icc(target_ulong src1, target_ulong src2)
+static inline uint32_t get_C_sub_icc(uint32_t src1, uint32_t src2)
{
uint32_t ret = 0;
- if ((src1 & 0xffffffffULL) < (src2 & 0xffffffffULL))
- ret |= PSR_CARRY;
+ if (src1 < src2) {
+ ret = PSR_CARRY;
+ }
return ret;
}
-static inline uint32_t get_V_sub_icc(target_ulong dst, target_ulong src1,
- target_ulong src2)
+static inline uint32_t get_C_subx_icc(uint32_t dst, uint32_t src1,
+ uint32_t src2)
{
uint32_t ret = 0;
- if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 31))
- ret |= PSR_OVF;
+ if (((~src1 & src2) | (dst & (~src1 | src2))) & (1U << 31)) {
+ ret = PSR_CARRY;
+ }
return ret;
}
-static uint32_t compute_all_sub(void)
+static inline uint32_t get_V_sub_icc(uint32_t dst, uint32_t src1,
+ uint32_t src2)
{
- uint32_t ret;
+ uint32_t ret = 0;
- ret = get_NZ_icc(CC_DST);
- ret |= get_C_sub_icc(CC_SRC, CC_SRC2);
- ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
+ if (((src1 ^ src2) & (src1 ^ dst)) & (1U << 31)) {
+ ret = PSR_OVF;
+ }
return ret;
}
-static uint32_t compute_C_sub(void)
-{
- return get_C_sub_icc(CC_SRC, CC_SRC2);
-}
#ifdef TARGET_SPARC64
static inline uint32_t get_C_sub_xcc(target_ulong src1, target_ulong src2)
{
uint32_t ret = 0;
- if (src1 < src2)
- ret |= PSR_CARRY;
+ if (src1 < src2) {
+ ret = PSR_CARRY;
+ }
+ return ret;
+}
+
+static inline uint32_t get_C_subx_xcc(target_ulong dst, target_ulong src1,
+ target_ulong src2)
+{
+ uint32_t ret = 0;
+
+ if (((~src1 & src2) | (dst & (~src1 | src2))) & (1ULL << 63)) {
+ ret = PSR_CARRY;
+ }
return ret;
}
{
uint32_t ret = 0;
- if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 63))
- ret |= PSR_OVF;
+ if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 63)) {
+ ret = PSR_OVF;
+ }
return ret;
}
}
#endif
-static uint32_t compute_all_subx(void)
+static uint32_t compute_all_sub(void)
{
uint32_t ret;
ret = get_NZ_icc(CC_DST);
- ret |= get_C_sub_icc(CC_DST - CC_SRC2, CC_SRC);
- ret |= get_C_sub_icc(CC_DST, CC_SRC2);
+ ret |= get_C_sub_icc(CC_SRC, CC_SRC2);
ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
return ret;
}
-static uint32_t compute_C_subx(void)
+static uint32_t compute_C_sub(void)
{
- uint32_t ret;
-
- ret = get_C_sub_icc(CC_DST - CC_SRC2, CC_SRC);
- ret |= get_C_sub_icc(CC_DST, CC_SRC2);
- return ret;
+ return get_C_sub_icc(CC_SRC, CC_SRC2);
}
#ifdef TARGET_SPARC64
uint32_t ret;
ret = get_NZ_xcc(CC_DST);
- ret |= get_C_sub_xcc(CC_DST - CC_SRC2, CC_SRC);
- ret |= get_C_sub_xcc(CC_DST, CC_SRC2);
+ ret |= get_C_subx_xcc(CC_DST, CC_SRC, CC_SRC2);
ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2);
return ret;
}
{
uint32_t ret;
- ret = get_C_sub_xcc(CC_DST - CC_SRC2, CC_SRC);
- ret |= get_C_sub_xcc(CC_DST, CC_SRC2);
+ ret = get_C_subx_xcc(CC_DST, CC_SRC, CC_SRC2);
return ret;
}
#endif
-static uint32_t compute_all_tsub(void)
+static uint32_t compute_all_subx(void)
{
uint32_t ret;
ret = get_NZ_icc(CC_DST);
- ret |= get_C_sub_icc(CC_DST, CC_SRC);
+ ret |= get_C_subx_icc(CC_DST, CC_SRC, CC_SRC2);
ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
- ret |= get_V_tag_icc(CC_SRC, CC_SRC2);
return ret;
}
-static uint32_t compute_C_tsub(void)
+static uint32_t compute_C_subx(void)
{
- return get_C_sub_icc(CC_DST, CC_SRC);
+ uint32_t ret;
+
+ ret = get_C_subx_icc(CC_DST, CC_SRC, CC_SRC2);
+ return ret;
}
-static uint32_t compute_all_tsubtv(void)
+static uint32_t compute_all_tsub(void)
{
uint32_t ret;
ret = get_NZ_icc(CC_DST);
- ret |= get_C_sub_icc(CC_DST, CC_SRC);
+ ret |= get_C_sub_icc(CC_SRC, CC_SRC2);
+ ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2);
+ ret |= get_V_tag_icc(CC_SRC, CC_SRC2);
return ret;
}
-static uint32_t compute_C_tsubtv(void)
+static uint32_t compute_all_tsubtv(void)
{
- return get_C_sub_icc(CC_DST, CC_SRC);
+ uint32_t ret;
+
+ ret = get_NZ_icc(CC_DST);
+ ret |= get_C_sub_icc(CC_SRC, CC_SRC2);
+ return ret;
}
static uint32_t compute_all_logic(void)
[CC_OP_DIV] = { compute_all_div, compute_C_div },
[CC_OP_ADD] = { compute_all_add, compute_C_add },
[CC_OP_ADDX] = { compute_all_addx, compute_C_addx },
- [CC_OP_TADD] = { compute_all_tadd, compute_C_tadd },
- [CC_OP_TADDTV] = { compute_all_taddtv, compute_C_taddtv },
+ [CC_OP_TADD] = { compute_all_tadd, compute_C_add },
+ [CC_OP_TADDTV] = { compute_all_taddtv, compute_C_add },
[CC_OP_SUB] = { compute_all_sub, compute_C_sub },
[CC_OP_SUBX] = { compute_all_subx, compute_C_subx },
- [CC_OP_TSUB] = { compute_all_tsub, compute_C_tsub },
- [CC_OP_TSUBTV] = { compute_all_tsubtv, compute_C_tsubtv },
+ [CC_OP_TSUB] = { compute_all_tsub, compute_C_sub },
+ [CC_OP_TSUBTV] = { compute_all_tsubtv, compute_C_sub },
[CC_OP_LOGIC] = { compute_all_logic, compute_C_logic },
};
return ret;
}
-#ifdef TARGET_SPARC64
-GEN_FCMPS(fcmps_fcc1, float32, 22, 0);
-GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
-GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
-
-GEN_FCMPS(fcmps_fcc2, float32, 24, 0);
-GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
-GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
+static inline void memcpy32(target_ulong *dst, const target_ulong *src)
+{
+ dst[0] = src[0];
+ dst[1] = src[1];
+ dst[2] = src[2];
+ dst[3] = src[3];
+ dst[4] = src[4];
+ dst[5] = src[5];
+ dst[6] = src[6];
+ dst[7] = src[7];
+}
-GEN_FCMPS(fcmps_fcc3, float32, 26, 0);
-GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
-GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
+static void set_cwp(int new_cwp)
+{
+ /* put the modified wrap registers at their proper location */
+ if (env->cwp == env->nwindows - 1) {
+ memcpy32(env->regbase, env->regbase + env->nwindows * 16);
+ }
+ env->cwp = new_cwp;
-GEN_FCMPS(fcmpes_fcc1, float32, 22, 1);
-GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
-GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
+ /* put the wrap registers at their temporary location */
+ if (new_cwp == env->nwindows - 1) {
+ memcpy32(env->regbase + env->nwindows * 16, env->regbase);
+ }
+ env->regwptr = env->regbase + (new_cwp * 16);
+}
-GEN_FCMPS(fcmpes_fcc2, float32, 24, 1);
-GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
-GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
+void cpu_set_cwp(CPUState *env1, int new_cwp)
+{
+ CPUState *saved_env;
-GEN_FCMPS(fcmpes_fcc3, float32, 26, 1);
-GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
-GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
-#endif
-#undef GEN_FCMPS
+ saved_env = env;
+ env = env1;
+ set_cwp(new_cwp);
+ env = saved_env;
+}
-#if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
- defined(DEBUG_MXCC)
-static void dump_mxcc(CPUState *env)
+static target_ulong get_psr(void)
{
- printf("mxccdata: %016llx %016llx %016llx %016llx\n",
- env->mxccdata[0], env->mxccdata[1],
- env->mxccdata[2], env->mxccdata[3]);
- printf("mxccregs: %016llx %016llx %016llx %016llx\n"
- " %016llx %016llx %016llx %016llx\n",
- env->mxccregs[0], env->mxccregs[1],
- env->mxccregs[2], env->mxccregs[3],
- env->mxccregs[4], env->mxccregs[5],
- env->mxccregs[6], env->mxccregs[7]);
-}
+ helper_compute_psr();
+
+#if !defined (TARGET_SPARC64)
+ return env->version | (env->psr & PSR_ICC) |
+ (env->psref? PSR_EF : 0) |
+ (env->psrpil << 8) |
+ (env->psrs? PSR_S : 0) |
+ (env->psrps? PSR_PS : 0) |
+ (env->psret? PSR_ET : 0) | env->cwp;
+#else
+ return env->psr & PSR_ICC;
+#endif
+}
+
+target_ulong cpu_get_psr(CPUState *env1)
+{
+ CPUState *saved_env;
+ target_ulong ret;
+
+ saved_env = env;
+ env = env1;
+ ret = get_psr();
+ env = saved_env;
+ return ret;
+}
+
+static void put_psr(target_ulong val)
+{
+ env->psr = val & PSR_ICC;
+#if !defined (TARGET_SPARC64)
+ env->psref = (val & PSR_EF)? 1 : 0;
+ env->psrpil = (val & PSR_PIL) >> 8;
+#endif
+#if ((!defined (TARGET_SPARC64)) && !defined(CONFIG_USER_ONLY))
+ cpu_check_irqs(env);
+#endif
+#if !defined (TARGET_SPARC64)
+ env->psrs = (val & PSR_S)? 1 : 0;
+ env->psrps = (val & PSR_PS)? 1 : 0;
+ env->psret = (val & PSR_ET)? 1 : 0;
+ set_cwp(val & PSR_CWP);
+#endif
+ env->cc_op = CC_OP_FLAGS;
+}
+
+void cpu_put_psr(CPUState *env1, target_ulong val)
+{
+ CPUState *saved_env;
+
+ saved_env = env;
+ env = env1;
+ put_psr(val);
+ env = saved_env;
+}
+
+static int cwp_inc(int cwp)
+{
+ if (unlikely(cwp >= env->nwindows)) {
+ cwp -= env->nwindows;
+ }
+ return cwp;
+}
+
+int cpu_cwp_inc(CPUState *env1, int cwp)
+{
+ CPUState *saved_env;
+ target_ulong ret;
+
+ saved_env = env;
+ env = env1;
+ ret = cwp_inc(cwp);
+ env = saved_env;
+ return ret;
+}
+
+static int cwp_dec(int cwp)
+{
+ if (unlikely(cwp < 0)) {
+ cwp += env->nwindows;
+ }
+ return cwp;
+}
+
+int cpu_cwp_dec(CPUState *env1, int cwp)
+{
+ CPUState *saved_env;
+ target_ulong ret;
+
+ saved_env = env;
+ env = env1;
+ ret = cwp_dec(cwp);
+ env = saved_env;
+ return ret;
+}
+
+#ifdef TARGET_SPARC64
+GEN_FCMPS(fcmps_fcc1, float32, 22, 0);
+GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
+GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
+
+GEN_FCMPS(fcmps_fcc2, float32, 24, 0);
+GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
+GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
+
+GEN_FCMPS(fcmps_fcc3, float32, 26, 0);
+GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
+GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
+
+GEN_FCMPS(fcmpes_fcc1, float32, 22, 1);
+GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
+GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
+
+GEN_FCMPS(fcmpes_fcc2, float32, 24, 1);
+GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
+GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
+
+GEN_FCMPS(fcmpes_fcc3, float32, 26, 1);
+GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
+GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
+#endif
+#undef GEN_FCMPS
+
+#if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
+ defined(DEBUG_MXCC)
+static void dump_mxcc(CPUState *env)
+{
+ printf("mxccdata: %016" PRIx64 " %016" PRIx64 " %016" PRIx64 " %016" PRIx64
+ "\n",
+ env->mxccdata[0], env->mxccdata[1],
+ env->mxccdata[2], env->mxccdata[3]);
+ printf("mxccregs: %016" PRIx64 " %016" PRIx64 " %016" PRIx64 " %016" PRIx64
+ "\n"
+ " %016" PRIx64 " %016" PRIx64 " %016" PRIx64 " %016" PRIx64
+ "\n",
+ env->mxccregs[0], env->mxccregs[1],
+ env->mxccregs[2], env->mxccregs[3],
+ env->mxccregs[4], env->mxccregs[5],
+ env->mxccregs[6], env->mxccregs[7]);
+}
#endif
#if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
#ifndef TARGET_SPARC64
#ifndef CONFIG_USER_ONLY
+
+
+/* Leon3 cache control */
+
+static void leon3_cache_control_int(void)
+{
+ uint32_t state = 0;
+
+ if (env->cache_control & CACHE_CTRL_IF) {
+ /* Instruction cache state */
+ state = env->cache_control & CACHE_STATE_MASK;
+ if (state == CACHE_ENABLED) {
+ state = CACHE_FROZEN;
+ DPRINTF_CACHE_CONTROL("Instruction cache: freeze\n");
+ }
+
+ env->cache_control &= ~CACHE_STATE_MASK;
+ env->cache_control |= state;
+ }
+
+ if (env->cache_control & CACHE_CTRL_DF) {
+ /* Data cache state */
+ state = (env->cache_control >> 2) & CACHE_STATE_MASK;
+ if (state == CACHE_ENABLED) {
+ state = CACHE_FROZEN;
+ DPRINTF_CACHE_CONTROL("Data cache: freeze\n");
+ }
+
+ env->cache_control &= ~(CACHE_STATE_MASK << 2);
+ env->cache_control |= (state << 2);
+ }
+}
+
+static void leon3_cache_control_st(target_ulong addr, uint64_t val, int size)
+{
+ DPRINTF_CACHE_CONTROL("st addr:%08x, val:%" PRIx64 ", size:%d\n",
+ addr, val, size);
+
+ if (size != 4) {
+ DPRINTF_CACHE_CONTROL("32bits only\n");
+ return;
+ }
+
+ switch (addr) {
+ case 0x00: /* Cache control */
+
+ /* These values must always be read as zeros */
+ val &= ~CACHE_CTRL_FD;
+ val &= ~CACHE_CTRL_FI;
+ val &= ~CACHE_CTRL_IB;
+ val &= ~CACHE_CTRL_IP;
+ val &= ~CACHE_CTRL_DP;
+
+ env->cache_control = val;
+ break;
+ case 0x04: /* Instruction cache configuration */
+ case 0x08: /* Data cache configuration */
+ /* Read Only */
+ break;
+ default:
+ DPRINTF_CACHE_CONTROL("write unknown register %08x\n", addr);
+ break;
+ };
+}
+
+static uint64_t leon3_cache_control_ld(target_ulong addr, int size)
+{
+ uint64_t ret = 0;
+
+ if (size != 4) {
+ DPRINTF_CACHE_CONTROL("32bits only\n");
+ return 0;
+ }
+
+ switch (addr) {
+ case 0x00: /* Cache control */
+ ret = env->cache_control;
+ break;
+
+ /* Configuration registers are read and only always keep those
+ predefined values */
+
+ case 0x04: /* Instruction cache configuration */
+ ret = 0x10220000;
+ break;
+ case 0x08: /* Data cache configuration */
+ ret = 0x18220000;
+ break;
+ default:
+ DPRINTF_CACHE_CONTROL("read unknown register %08x\n", addr);
+ break;
+ };
+ DPRINTF_CACHE_CONTROL("ld addr:%08x, ret:0x%" PRIx64 ", size:%d\n",
+ addr, ret, size);
+ return ret;
+}
+
+void leon3_irq_manager(void *irq_manager, int intno)
+{
+ leon3_irq_ack(irq_manager, intno);
+ leon3_cache_control_int();
+}
+
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
{
uint64_t ret = 0;
helper_check_align(addr, size - 1);
switch (asi) {
- case 2: /* SuperSparc MXCC registers */
+ case 2: /* SuperSparc MXCC registers and Leon3 cache control */
switch (addr) {
+ case 0x00: /* Leon3 Cache Control */
+ case 0x08: /* Leon3 Instruction Cache config */
+ case 0x0C: /* Leon3 Date Cache config */
+ if (env->def->features & CPU_FEATURE_CACHE_CTRL) {
+ ret = leon3_cache_control_ld(addr, size);
+ }
+ break;
case 0x01c00a00: /* MXCC control register */
if (size == 8)
ret = env->mxccregs[3];
env->mmubpregs[reg] = 0ULL;
break;
}
- DPRINTF_MMU("read breakpoint reg[%d] 0x%016llx\n", reg, ret);
+ DPRINTF_MMU("read breakpoint reg[%d] 0x%016" PRIx64 "\n", reg,
+ ret);
}
break;
+ case 0x49: /* SuperSPARC MMU Counter Breakpoint Value */
+ ret = env->mmubpctrv;
+ break;
+ case 0x4a: /* SuperSPARC MMU Counter Breakpoint Control */
+ ret = env->mmubpctrc;
+ break;
+ case 0x4b: /* SuperSPARC MMU Counter Breakpoint Status */
+ ret = env->mmubpctrs;
+ break;
+ case 0x4c: /* SuperSPARC MMU Breakpoint Action */
+ ret = env->mmubpaction;
+ break;
case 8: /* User code access, XXX */
default:
do_unassigned_access(addr, 0, 0, asi, size);
{
helper_check_align(addr, size - 1);
switch(asi) {
- case 2: /* SuperSparc MXCC registers */
+ case 2: /* SuperSparc MXCC registers and Leon3 cache control */
switch (addr) {
+ case 0x00: /* Leon3 Cache Control */
+ case 0x08: /* Leon3 Instruction Cache config */
+ case 0x0C: /* Leon3 Date Cache config */
+ if (env->def->features & CPU_FEATURE_CACHE_CTRL) {
+ leon3_cache_control_st(addr, val, size);
+ }
+ break;
+
case 0x01c00000: /* MXCC stream data register 0 */
if (size == 8)
env->mxccdata[0] = val;
break;
}
#ifdef DEBUG_MMU
- dump_mmu(env);
+ dump_mmu(stdout, fprintf, env);
#endif
}
break;
reg, oldreg, env->mmuregs[reg]);
}
#ifdef DEBUG_MMU
- dump_mmu(env);
+ dump_mmu(stdout, fprintf, env);
#endif
}
break;
// descriptor diagnostic
case 0x36: /* I-cache flash clear */
case 0x37: /* D-cache flash clear */
- case 0x4c: /* breakpoint action */
break;
case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/
{
env->mmubpregs[reg] = (val & 0xfULL);
break;
}
- DPRINTF_MMU("write breakpoint reg[%d] 0x%016llx\n", reg,
+ DPRINTF_MMU("write breakpoint reg[%d] 0x%016x\n", reg,
env->mmuregs[reg]);
}
break;
+ case 0x49: /* SuperSPARC MMU Counter Breakpoint Value */
+ env->mmubpctrv = val & 0xffffffff;
+ break;
+ case 0x4a: /* SuperSPARC MMU Counter Breakpoint Control */
+ env->mmubpctrc = val & 0x3;
+ break;
+ case 0x4b: /* SuperSPARC MMU Counter Breakpoint Status */
+ env->mmubpctrs = val & 0x3;
+ break;
+ case 0x4c: /* SuperSPARC MMU Breakpoint Action */
+ env->mmubpaction = val & 0x1fff;
+ break;
case 8: /* User code access, XXX */
case 9: /* Supervisor code access, XXX */
default:
raise_exception(TT_PRIV_ACT);
helper_check_align(addr, size - 1);
- address_mask(env, &addr);
+ addr = asi_address_mask(env, asi, addr);
switch (asi) {
case 0x82: // Primary no-fault
raise_exception(TT_PRIV_ACT);
helper_check_align(addr, size - 1);
- address_mask(env, &addr);
+ addr = asi_address_mask(env, asi, addr);
/* Convert to little endian */
switch (asi) {
target_ulong last_addr = addr;
#endif
+ asi &= 0xff;
+
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
- || ((env->def->features & CPU_FEATURE_HYPV)
+ || (cpu_has_hypervisor(env)
&& asi >= 0x30 && asi < 0x80
&& !(env->hpstate & HS_PRIV)))
raise_exception(TT_PRIV_ACT);
helper_check_align(addr, size - 1);
+ addr = asi_address_mask(env, asi, addr);
+
switch (asi) {
case 0x82: // Primary no-fault
case 0x8a: // Primary no-fault LE
- if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
+ case 0x83: // Secondary no-fault
+ case 0x8b: // Secondary no-fault LE
+ {
+ /* secondary space access has lowest asi bit equal to 1 */
+ int access_mmu_idx = ( asi & 1 ) ? MMU_KERNEL_IDX
+ : MMU_KERNEL_SECONDARY_IDX;
+
+ if (cpu_get_phys_page_nofault(env, addr, access_mmu_idx) == -1ULL) {
#ifdef DEBUG_ASI
- dump_asi("read ", last_addr, asi, size, ret);
+ dump_asi("read ", last_addr, asi, size, ret);
#endif
- return 0;
+ return 0;
+ }
}
// Fall through
case 0x10: // As if user primary
+ case 0x11: // As if user secondary
case 0x18: // As if user primary LE
+ case 0x19: // As if user secondary LE
case 0x80: // Primary
+ case 0x81: // Secondary
case 0x88: // Primary LE
+ case 0x89: // Secondary LE
case 0xe2: // UA2007 Primary block init
case 0xe3: // UA2007 Secondary block init
if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
- if ((env->def->features & CPU_FEATURE_HYPV)
- && env->hpstate & HS_PRIV) {
+ if (cpu_hypervisor_mode(env)) {
switch(size) {
case 1:
ret = ldub_hypv(addr);
break;
}
} else {
+ /* secondary space access has lowest asi bit equal to 1 */
+ if (asi & 1) {
+ switch(size) {
+ case 1:
+ ret = ldub_kernel_secondary(addr);
+ break;
+ case 2:
+ ret = lduw_kernel_secondary(addr);
+ break;
+ case 4:
+ ret = ldl_kernel_secondary(addr);
+ break;
+ default:
+ case 8:
+ ret = ldq_kernel_secondary(addr);
+ break;
+ }
+ } else {
+ switch(size) {
+ case 1:
+ ret = ldub_kernel(addr);
+ break;
+ case 2:
+ ret = lduw_kernel(addr);
+ break;
+ case 4:
+ ret = ldl_kernel(addr);
+ break;
+ default:
+ case 8:
+ ret = ldq_kernel(addr);
+ break;
+ }
+ }
+ }
+ } else {
+ /* secondary space access has lowest asi bit equal to 1 */
+ if (asi & 1) {
switch(size) {
case 1:
- ret = ldub_kernel(addr);
+ ret = ldub_user_secondary(addr);
break;
case 2:
- ret = lduw_kernel(addr);
+ ret = lduw_user_secondary(addr);
break;
case 4:
- ret = ldl_kernel(addr);
+ ret = ldl_user_secondary(addr);
break;
default:
case 8:
- ret = ldq_kernel(addr);
+ ret = ldq_user_secondary(addr);
+ break;
+ }
+ } else {
+ switch(size) {
+ case 1:
+ ret = ldub_user(addr);
+ break;
+ case 2:
+ ret = lduw_user(addr);
+ break;
+ case 4:
+ ret = ldl_user(addr);
+ break;
+ default:
+ case 8:
+ ret = ldq_user(addr);
break;
}
- }
- } else {
- switch(size) {
- case 1:
- ret = ldub_user(addr);
- break;
- case 2:
- ret = lduw_user(addr);
- break;
- case 4:
- ret = ldl_user(addr);
- break;
- default:
- case 8:
- ret = ldq_user(addr);
- break;
}
}
break;
// Only ldda allowed
raise_exception(TT_ILL_INSN);
return 0;
- case 0x83: // Secondary no-fault
- case 0x8b: // Secondary no-fault LE
- if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
-#ifdef DEBUG_ASI
- dump_asi("read ", last_addr, asi, size, ret);
-#endif
- return 0;
- }
- // Fall through
case 0x04: // Nucleus
case 0x0c: // Nucleus Little Endian (LE)
- case 0x11: // As if user secondary
- case 0x19: // As if user secondary LE
+ {
+ switch(size) {
+ case 1:
+ ret = ldub_nucleus(addr);
+ break;
+ case 2:
+ ret = lduw_nucleus(addr);
+ break;
+ case 4:
+ ret = ldl_nucleus(addr);
+ break;
+ default:
+ case 8:
+ ret = ldq_nucleus(addr);
+ break;
+ }
+ break;
+ }
case 0x4a: // UPA config
- case 0x81: // Secondary
- case 0x89: // Secondary LE
// XXX
break;
case 0x45: // LSU
if (reg == 0) {
// I-TSB Tag Target register
- ret = ultrasparc_tag_target(env->immuregs[6]);
+ ret = ultrasparc_tag_target(env->immu.tag_access);
} else {
ret = env->immuregs[reg];
}
{
// env->immuregs[5] holds I-MMU TSB register value
// env->immuregs[6] holds I-MMU Tag Access register value
- ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6],
+ ret = ultrasparc_tsb_pointer(env->immu.tsb, env->immu.tag_access,
8*1024);
break;
}
{
// env->immuregs[5] holds I-MMU TSB register value
// env->immuregs[6] holds I-MMU Tag Access register value
- ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6],
+ ret = ultrasparc_tsb_pointer(env->immu.tsb, env->immu.tag_access,
64*1024);
break;
}
{
int reg = (addr >> 3) & 0x3f;
- ret = env->itlb_tte[reg];
+ ret = env->itlb[reg].tte;
break;
}
case 0x56: // I-MMU tag read
{
int reg = (addr >> 3) & 0x3f;
- ret = env->itlb_tag[reg];
+ ret = env->itlb[reg].tag;
break;
}
case 0x58: // D-MMU regs
if (reg == 0) {
// D-TSB Tag Target register
- ret = ultrasparc_tag_target(env->dmmuregs[6]);
+ ret = ultrasparc_tag_target(env->dmmu.tag_access);
} else {
ret = env->dmmuregs[reg];
}
{
// env->dmmuregs[5] holds D-MMU TSB register value
// env->dmmuregs[6] holds D-MMU Tag Access register value
- ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6],
+ ret = ultrasparc_tsb_pointer(env->dmmu.tsb, env->dmmu.tag_access,
8*1024);
break;
}
{
// env->dmmuregs[5] holds D-MMU TSB register value
// env->dmmuregs[6] holds D-MMU Tag Access register value
- ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6],
+ ret = ultrasparc_tsb_pointer(env->dmmu.tsb, env->dmmu.tag_access,
64*1024);
break;
}
{
int reg = (addr >> 3) & 0x3f;
- ret = env->dtlb_tte[reg];
+ ret = env->dtlb[reg].tte;
break;
}
case 0x5e: // D-MMU tag read
{
int reg = (addr >> 3) & 0x3f;
- ret = env->dtlb_tag[reg];
+ ret = env->dtlb[reg].tag;
break;
}
case 0x46: // D-cache data
#ifdef DEBUG_ASI
dump_asi("write", addr, asi, size, val);
#endif
+
+ asi &= 0xff;
+
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
- || ((env->def->features & CPU_FEATURE_HYPV)
+ || (cpu_has_hypervisor(env)
&& asi >= 0x30 && asi < 0x80
&& !(env->hpstate & HS_PRIV)))
raise_exception(TT_PRIV_ACT);
helper_check_align(addr, size - 1);
+ addr = asi_address_mask(env, asi, addr);
+
/* Convert to little endian */
switch (asi) {
case 0x0c: // Nucleus Little Endian (LE)
switch(asi) {
case 0x10: // As if user primary
+ case 0x11: // As if user secondary
case 0x18: // As if user primary LE
+ case 0x19: // As if user secondary LE
case 0x80: // Primary
+ case 0x81: // Secondary
case 0x88: // Primary LE
+ case 0x89: // Secondary LE
case 0xe2: // UA2007 Primary block init
case 0xe3: // UA2007 Secondary block init
if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
- if ((env->def->features & CPU_FEATURE_HYPV)
- && env->hpstate & HS_PRIV) {
+ if (cpu_hypervisor_mode(env)) {
switch(size) {
case 1:
stb_hypv(addr, val);
stq_hypv(addr, val);
break;
}
+ } else {
+ /* secondary space access has lowest asi bit equal to 1 */
+ if (asi & 1) {
+ switch(size) {
+ case 1:
+ stb_kernel_secondary(addr, val);
+ break;
+ case 2:
+ stw_kernel_secondary(addr, val);
+ break;
+ case 4:
+ stl_kernel_secondary(addr, val);
+ break;
+ case 8:
+ default:
+ stq_kernel_secondary(addr, val);
+ break;
+ }
+ } else {
+ switch(size) {
+ case 1:
+ stb_kernel(addr, val);
+ break;
+ case 2:
+ stw_kernel(addr, val);
+ break;
+ case 4:
+ stl_kernel(addr, val);
+ break;
+ case 8:
+ default:
+ stq_kernel(addr, val);
+ break;
+ }
+ }
+ }
+ } else {
+ /* secondary space access has lowest asi bit equal to 1 */
+ if (asi & 1) {
+ switch(size) {
+ case 1:
+ stb_user_secondary(addr, val);
+ break;
+ case 2:
+ stw_user_secondary(addr, val);
+ break;
+ case 4:
+ stl_user_secondary(addr, val);
+ break;
+ case 8:
+ default:
+ stq_user_secondary(addr, val);
+ break;
+ }
} else {
switch(size) {
case 1:
- stb_kernel(addr, val);
+ stb_user(addr, val);
break;
case 2:
- stw_kernel(addr, val);
+ stw_user(addr, val);
break;
case 4:
- stl_kernel(addr, val);
+ stl_user(addr, val);
break;
case 8:
default:
- stq_kernel(addr, val);
+ stq_user(addr, val);
break;
}
}
- } else {
- switch(size) {
- case 1:
- stb_user(addr, val);
- break;
- case 2:
- stw_user(addr, val);
- break;
- case 4:
- stl_user(addr, val);
- break;
- case 8:
- default:
- stq_user(addr, val);
- break;
- }
}
break;
case 0x14: // Bypass
return;
case 0x04: // Nucleus
case 0x0c: // Nucleus Little Endian (LE)
- case 0x11: // As if user secondary
- case 0x19: // As if user secondary LE
- case 0x4a: // UPA config
- case 0x81: // Secondary
- case 0x89: // Secondary LE
+ {
+ switch(size) {
+ case 1:
+ stb_nucleus(addr, val);
+ break;
+ case 2:
+ stw_nucleus(addr, val);
+ break;
+ case 4:
+ stl_nucleus(addr, val);
+ break;
+ default:
+ case 8:
+ stq_nucleus(addr, val);
+ break;
+ }
+ break;
+ }
+
+ case 0x4a: // UPA config
// XXX
return;
case 0x45: // LSU
DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n",
oldreg, env->lsu);
#ifdef DEBUG_MMU
- dump_mmu(env);
+ dump_mmu(stdout, fprintf, env1);
#endif
tlb_flush(env, 1);
}
oldreg = env->immuregs[reg];
switch(reg) {
case 0: // RO
- case 4:
return;
case 1: // Not in I-MMU
case 2:
- case 7:
- case 8:
return;
case 3: // SFSR
if ((val & 1) == 0)
val = 0; // Clear SFSR
+ env->immu.sfsr = val;
break;
+ case 4: // RO
+ return;
case 5: // TSB access
+ DPRINTF_MMU("immu TSB write: 0x%016" PRIx64 " -> 0x%016"
+ PRIx64 "\n", env->immu.tsb, val);
+ env->immu.tsb = val;
+ break;
case 6: // Tag access
+ env->immu.tag_access = val;
+ break;
+ case 7:
+ case 8:
+ return;
default:
break;
}
- env->immuregs[reg] = val;
+
if (oldreg != env->immuregs[reg]) {
- DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
+ DPRINTF_MMU("immu change reg[%d]: 0x%016" PRIx64 " -> 0x%016"
PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
}
#ifdef DEBUG_MMU
- dump_mmu(env);
+ dump_mmu(stdout, fprintf, env);
#endif
return;
}
case 0x54: // I-MMU data in
- {
- unsigned int i;
-
- // Try finding an invalid entry
- for (i = 0; i < 64; i++) {
- if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) {
- env->itlb_tag[i] = env->immuregs[6];
- env->itlb_tte[i] = val;
- return;
- }
- }
- // Try finding an unlocked entry
- for (i = 0; i < 64; i++) {
- if ((env->itlb_tte[i] & 0x40) == 0) {
- env->itlb_tag[i] = env->immuregs[6];
- env->itlb_tte[i] = val;
- return;
- }
- }
- // error state?
- return;
- }
+ replace_tlb_1bit_lru(env->itlb, env->immu.tag_access, val, "immu", env);
+ return;
case 0x55: // I-MMU data access
{
// TODO: auto demap
unsigned int i = (addr >> 3) & 0x3f;
- env->itlb_tag[i] = env->immuregs[6];
- env->itlb_tte[i] = val;
+ replace_tlb_entry(&env->itlb[i], env->immu.tag_access, val, env);
+
+#ifdef DEBUG_MMU
+ DPRINTF_MMU("immu data access replaced entry [%i]\n", i);
+ dump_mmu(stdout, fprintf, env);
+#endif
return;
}
case 0x57: // I-MMU demap
- {
- unsigned int i;
-
- for (i = 0; i < 64; i++) {
- if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0) {
- target_ulong mask = 0xffffffffffffe000ULL;
-
- mask <<= 3 * ((env->itlb_tte[i] >> 61) & 3);
- if ((val & mask) == (env->itlb_tag[i] & mask)) {
- env->itlb_tag[i] = 0;
- env->itlb_tte[i] = 0;
- }
- return;
- }
- }
- }
+ demap_tlb(env->itlb, addr, "immu", env);
return;
case 0x58: // D-MMU regs
{
case 3: // SFSR
if ((val & 1) == 0) {
val = 0; // Clear SFSR, Fault address
- env->dmmuregs[4] = 0;
+ env->dmmu.sfar = 0;
}
- env->dmmuregs[reg] = val;
+ env->dmmu.sfsr = val;
break;
case 1: // Primary context
+ env->dmmu.mmu_primary_context = val;
+ /* can be optimized to only flush MMU_USER_IDX
+ and MMU_KERNEL_IDX entries */
+ tlb_flush(env, 1);
+ break;
case 2: // Secondary context
+ env->dmmu.mmu_secondary_context = val;
+ /* can be optimized to only flush MMU_USER_SECONDARY_IDX
+ and MMU_KERNEL_SECONDARY_IDX entries */
+ tlb_flush(env, 1);
+ break;
case 5: // TSB access
+ DPRINTF_MMU("dmmu TSB write: 0x%016" PRIx64 " -> 0x%016"
+ PRIx64 "\n", env->dmmu.tsb, val);
+ env->dmmu.tsb = val;
+ break;
case 6: // Tag access
+ env->dmmu.tag_access = val;
+ break;
case 7: // Virtual Watchpoint
case 8: // Physical Watchpoint
default:
+ env->dmmuregs[reg] = val;
break;
}
- env->dmmuregs[reg] = val;
+
if (oldreg != env->dmmuregs[reg]) {
- DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
+ DPRINTF_MMU("dmmu change reg[%d]: 0x%016" PRIx64 " -> 0x%016"
PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
}
#ifdef DEBUG_MMU
- dump_mmu(env);
+ dump_mmu(stdout, fprintf, env);
#endif
return;
}
case 0x5c: // D-MMU data in
- {
- unsigned int i;
-
- // Try finding an invalid entry
- for (i = 0; i < 64; i++) {
- if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) {
- env->dtlb_tag[i] = env->dmmuregs[6];
- env->dtlb_tte[i] = val;
- return;
- }
- }
- // Try finding an unlocked entry
- for (i = 0; i < 64; i++) {
- if ((env->dtlb_tte[i] & 0x40) == 0) {
- env->dtlb_tag[i] = env->dmmuregs[6];
- env->dtlb_tte[i] = val;
- return;
- }
- }
- // error state?
- return;
- }
+ replace_tlb_1bit_lru(env->dtlb, env->dmmu.tag_access, val, "dmmu", env);
+ return;
case 0x5d: // D-MMU data access
{
unsigned int i = (addr >> 3) & 0x3f;
- env->dtlb_tag[i] = env->dmmuregs[6];
- env->dtlb_tte[i] = val;
+ replace_tlb_entry(&env->dtlb[i], env->dmmu.tag_access, val, env);
+
+#ifdef DEBUG_MMU
+ DPRINTF_MMU("dmmu data access replaced entry [%i]\n", i);
+ dump_mmu(stdout, fprintf, env);
+#endif
return;
}
case 0x5f: // D-MMU demap
- {
- unsigned int i;
-
- for (i = 0; i < 64; i++) {
- if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0) {
- target_ulong mask = 0xffffffffffffe000ULL;
-
- mask <<= 3 * ((env->dtlb_tte[i] >> 61) & 3);
- if ((val & mask) == (env->dtlb_tag[i] & mask)) {
- env->dtlb_tag[i] = 0;
- env->dtlb_tte[i] = 0;
- }
- return;
- }
- }
- }
+ demap_tlb(env->dtlb, addr, "dmmu", env);
return;
case 0x49: // Interrupt data receive
// XXX
void helper_ldda_asi(target_ulong addr, int asi, int rd)
{
if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
- || ((env->def->features & CPU_FEATURE_HYPV)
+ || (cpu_has_hypervisor(env)
&& asi >= 0x30 && asi < 0x80
&& !(env->hpstate & HS_PRIV)))
raise_exception(TT_PRIV_ACT);
+ addr = asi_address_mask(env, asi, addr);
+
switch (asi) {
+#if !defined(CONFIG_USER_ONLY)
case 0x24: // Nucleus quad LDD 128 bit atomic
case 0x2c: // Nucleus quad LDD 128 bit atomic LE
helper_check_align(addr, 0xf);
if (rd == 0) {
- env->gregs[1] = ldq_kernel(addr + 8);
+ env->gregs[1] = ldq_nucleus(addr + 8);
if (asi == 0x2c)
bswap64s(&env->gregs[1]);
} else if (rd < 8) {
- env->gregs[rd] = ldq_kernel(addr);
- env->gregs[rd + 1] = ldq_kernel(addr + 8);
+ env->gregs[rd] = ldq_nucleus(addr);
+ env->gregs[rd + 1] = ldq_nucleus(addr + 8);
if (asi == 0x2c) {
bswap64s(&env->gregs[rd]);
bswap64s(&env->gregs[rd + 1]);
}
} else {
- env->regwptr[rd] = ldq_kernel(addr);
- env->regwptr[rd + 1] = ldq_kernel(addr + 8);
+ env->regwptr[rd] = ldq_nucleus(addr);
+ env->regwptr[rd + 1] = ldq_nucleus(addr + 8);
if (asi == 0x2c) {
bswap64s(&env->regwptr[rd]);
bswap64s(&env->regwptr[rd + 1]);
}
}
break;
+#endif
default:
helper_check_align(addr, 0x3);
if (rd == 0)
target_ulong val;
helper_check_align(addr, 3);
+ addr = asi_address_mask(env, asi, addr);
+
switch (asi) {
case 0xf0: // Block load primary
case 0xf1: // Block load secondary
addr += 4;
}
+ return;
+ case 0x70: // Block load primary, user privilege
+ case 0x71: // Block load secondary, user privilege
+ if (rd & 7) {
+ raise_exception(TT_ILL_INSN);
+ return;
+ }
+ helper_check_align(addr, 0x3f);
+ for (i = 0; i < 16; i++) {
+ *(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x1f, 4,
+ 0);
+ addr += 4;
+ }
+
return;
default:
break;
target_ulong val = 0;
helper_check_align(addr, 3);
+ addr = asi_address_mask(env, asi, addr);
+
switch (asi) {
case 0xe0: // UA2007 Block commit store primary (cache flush)
case 0xe1: // UA2007 Block commit store secondary (cache flush)
addr += 4;
}
+ return;
+ case 0x70: // Block store primary, user privilege
+ case 0x71: // Block store secondary, user privilege
+ if (rd & 7) {
+ raise_exception(TT_ILL_INSN);
+ return;
+ }
+ helper_check_align(addr, 0x3f);
+ for (i = 0; i < 16; i++) {
+ val = *(uint32_t *)&env->fpr[rd++];
+ helper_st_asi(addr, val, asi & 0x1f, 4);
+ addr += 4;
+ }
+
return;
default:
break;
raise_exception(TT_ILL_INSN);
env->psret = 1;
- cwp = cpu_cwp_inc(env, env->cwp + 1) ;
+ cwp = cwp_inc(env->cwp + 1) ;
if (env->wim & (1 << cwp)) {
raise_exception(TT_WIN_UNF);
}
}
#endif
-target_ulong helper_udiv(target_ulong a, target_ulong b)
+static target_ulong helper_udiv_common(target_ulong a, target_ulong b, int cc)
{
+ int overflow = 0;
uint64_t x0;
uint32_t x1;
x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
- x1 = b;
+ x1 = (b & 0xffffffff);
if (x1 == 0) {
raise_exception(TT_DIV_ZERO);
x0 = x0 / x1;
if (x0 > 0xffffffff) {
- env->cc_src2 = 1;
- return 0xffffffff;
- } else {
- env->cc_src2 = 0;
- return x0;
+ x0 = 0xffffffff;
+ overflow = 1;
}
+
+ if (cc) {
+ env->cc_dst = x0;
+ env->cc_src2 = overflow;
+ env->cc_op = CC_OP_DIV;
+ }
+ return x0;
}
-target_ulong helper_sdiv(target_ulong a, target_ulong b)
+target_ulong helper_udiv(target_ulong a, target_ulong b)
+{
+ return helper_udiv_common(a, b, 0);
+}
+
+target_ulong helper_udiv_cc(target_ulong a, target_ulong b)
{
+ return helper_udiv_common(a, b, 1);
+}
+
+static target_ulong helper_sdiv_common(target_ulong a, target_ulong b, int cc)
+{
+ int overflow = 0;
int64_t x0;
int32_t x1;
x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
- x1 = b;
+ x1 = (b & 0xffffffff);
if (x1 == 0) {
raise_exception(TT_DIV_ZERO);
x0 = x0 / x1;
if ((int32_t) x0 != x0) {
- env->cc_src2 = 1;
- return x0 < 0? 0x80000000: 0x7fffffff;
- } else {
- env->cc_src2 = 0;
- return x0;
+ x0 = x0 < 0 ? 0x80000000: 0x7fffffff;
+ overflow = 1;
}
+
+ if (cc) {
+ env->cc_dst = x0;
+ env->cc_src2 = overflow;
+ env->cc_op = CC_OP_DIV;
+ }
+ return x0;
+}
+
+target_ulong helper_sdiv(target_ulong a, target_ulong b)
+{
+ return helper_sdiv_common(a, b, 0);
+}
+
+target_ulong helper_sdiv_cc(target_ulong a, target_ulong b)
+{
+ return helper_sdiv_common(a, b, 1);
}
void helper_stdf(target_ulong addr, int mem_idx)
helper_check_align(addr, 7);
#if !defined(CONFIG_USER_ONLY)
switch (mem_idx) {
- case 0:
+ case MMU_USER_IDX:
stfq_user(addr, DT0);
break;
- case 1:
+ case MMU_KERNEL_IDX:
stfq_kernel(addr, DT0);
break;
#ifdef TARGET_SPARC64
- case 2:
+ case MMU_HYPV_IDX:
stfq_hypv(addr, DT0);
break;
#endif
default:
+ DPRINTF_MMU("helper_stdf: need to check MMU idx %d\n", mem_idx);
break;
}
#else
- address_mask(env, &addr);
- stfq_raw(addr, DT0);
+ stfq_raw(address_mask(env, addr), DT0);
#endif
}
helper_check_align(addr, 7);
#if !defined(CONFIG_USER_ONLY)
switch (mem_idx) {
- case 0:
+ case MMU_USER_IDX:
DT0 = ldfq_user(addr);
break;
- case 1:
+ case MMU_KERNEL_IDX:
DT0 = ldfq_kernel(addr);
break;
#ifdef TARGET_SPARC64
- case 2:
+ case MMU_HYPV_IDX:
DT0 = ldfq_hypv(addr);
break;
#endif
default:
+ DPRINTF_MMU("helper_lddf: need to check MMU idx %d\n", mem_idx);
break;
}
#else
- address_mask(env, &addr);
- DT0 = ldfq_raw(addr);
+ DT0 = ldfq_raw(address_mask(env, addr));
#endif
}
helper_check_align(addr, 7);
#if !defined(CONFIG_USER_ONLY)
switch (mem_idx) {
- case 0:
+ case MMU_USER_IDX:
u.ll.upper = ldq_user(addr);
u.ll.lower = ldq_user(addr + 8);
QT0 = u.q;
break;
- case 1:
+ case MMU_KERNEL_IDX:
u.ll.upper = ldq_kernel(addr);
u.ll.lower = ldq_kernel(addr + 8);
QT0 = u.q;
break;
#ifdef TARGET_SPARC64
- case 2:
+ case MMU_HYPV_IDX:
u.ll.upper = ldq_hypv(addr);
u.ll.lower = ldq_hypv(addr + 8);
QT0 = u.q;
break;
#endif
default:
+ DPRINTF_MMU("helper_ldqf: need to check MMU idx %d\n", mem_idx);
break;
}
#else
- address_mask(env, &addr);
- u.ll.upper = ldq_raw(addr);
- u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL);
+ u.ll.upper = ldq_raw(address_mask(env, addr));
+ u.ll.lower = ldq_raw(address_mask(env, addr + 8));
QT0 = u.q;
#endif
}
helper_check_align(addr, 7);
#if !defined(CONFIG_USER_ONLY)
switch (mem_idx) {
- case 0:
+ case MMU_USER_IDX:
u.q = QT0;
stq_user(addr, u.ll.upper);
stq_user(addr + 8, u.ll.lower);
break;
- case 1:
+ case MMU_KERNEL_IDX:
u.q = QT0;
stq_kernel(addr, u.ll.upper);
stq_kernel(addr + 8, u.ll.lower);
break;
#ifdef TARGET_SPARC64
- case 2:
+ case MMU_HYPV_IDX:
u.q = QT0;
stq_hypv(addr, u.ll.upper);
stq_hypv(addr + 8, u.ll.lower);
break;
#endif
default:
+ DPRINTF_MMU("helper_stqf: need to check MMU idx %d\n", mem_idx);
break;
}
#else
u.q = QT0;
- address_mask(env, &addr);
- stq_raw(addr, u.ll.upper);
- stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower);
+ stq_raw(address_mask(env, addr), u.ll.upper);
+ stq_raw(address_mask(env, addr + 8), u.ll.lower);
#endif
}
void helper_debug(void)
{
env->exception_index = EXCP_DEBUG;
- cpu_loop_exit();
+ cpu_loop_exit(env);
}
#ifndef TARGET_SPARC64
{
uint32_t cwp;
- cwp = cpu_cwp_dec(env, env->cwp - 1);
+ cwp = cwp_dec(env->cwp - 1);
if (env->wim & (1 << cwp)) {
raise_exception(TT_WIN_OVF);
}
{
uint32_t cwp;
- cwp = cpu_cwp_inc(env, env->cwp + 1);
+ cwp = cwp_inc(env->cwp + 1);
if (env->wim & (1 << cwp)) {
raise_exception(TT_WIN_UNF);
}
void helper_wrpsr(target_ulong new_psr)
{
- if ((new_psr & PSR_CWP) >= env->nwindows)
+ if ((new_psr & PSR_CWP) >= env->nwindows) {
raise_exception(TT_ILL_INSN);
- else
- PUT_PSR(env, new_psr);
+ } else {
+ cpu_put_psr(env, new_psr);
+ }
}
target_ulong helper_rdpsr(void)
{
- return GET_PSR(env);
+ return get_psr();
}
#else
{
uint32_t cwp;
- cwp = cpu_cwp_dec(env, env->cwp - 1);
+ cwp = cwp_dec(env->cwp - 1);
if (env->cansave == 0) {
raise_exception(TT_SPILL | (env->otherwin != 0 ?
(TT_WOTHER | ((env->wstate & 0x38) >> 1)):
{
uint32_t cwp;
- cwp = cpu_cwp_inc(env, env->cwp + 1);
+ cwp = cwp_inc(env->cwp + 1);
if (env->canrestore == 0) {
raise_exception(TT_FILL | (env->otherwin != 0 ?
(TT_WOTHER | ((env->wstate & 0x38) >> 1)):
env->otherwin--;
}
+static target_ulong get_ccr(void)
+{
+ target_ulong psr;
+
+ psr = get_psr();
+
+ return ((env->xcc >> 20) << 4) | ((psr & PSR_ICC) >> 20);
+}
+
+target_ulong cpu_get_ccr(CPUState *env1)
+{
+ CPUState *saved_env;
+ target_ulong ret;
+
+ saved_env = env;
+ env = env1;
+ ret = get_ccr();
+ env = saved_env;
+ return ret;
+}
+
+static void put_ccr(target_ulong val)
+{
+ target_ulong tmp = val;
+
+ env->xcc = (tmp >> 4) << 20;
+ env->psr = (tmp & 0xf) << 20;
+ CC_OP = CC_OP_FLAGS;
+}
+
+void cpu_put_ccr(CPUState *env1, target_ulong val)
+{
+ CPUState *saved_env;
+
+ saved_env = env;
+ env = env1;
+ put_ccr(val);
+ env = saved_env;
+}
+
+static target_ulong get_cwp64(void)
+{
+ return env->nwindows - 1 - env->cwp;
+}
+
+target_ulong cpu_get_cwp64(CPUState *env1)
+{
+ CPUState *saved_env;
+ target_ulong ret;
+
+ saved_env = env;
+ env = env1;
+ ret = get_cwp64();
+ env = saved_env;
+ return ret;
+}
+
+static void put_cwp64(int cwp)
+{
+ if (unlikely(cwp >= env->nwindows || cwp < 0)) {
+ cwp %= env->nwindows;
+ }
+ set_cwp(env->nwindows - 1 - cwp);
+}
+
+void cpu_put_cwp64(CPUState *env1, int cwp)
+{
+ CPUState *saved_env;
+
+ saved_env = env;
+ env = env1;
+ put_cwp64(cwp);
+ env = saved_env;
+}
+
target_ulong helper_rdccr(void)
{
- return GET_CCR(env);
+ return get_ccr();
}
void helper_wrccr(target_ulong new_ccr)
{
- PUT_CCR(env, new_ccr);
+ put_ccr(new_ccr);
}
// CWP handling is reversed in V9, but we still use the V8 register
// order.
target_ulong helper_rdcwp(void)
{
- return GET_CWP64(env);
+ return get_cwp64();
}
void helper_wrcwp(target_ulong new_cwp)
{
- PUT_CWP64(env, new_cwp);
+ put_cwp64(new_cwp);
}
// This function uses non-native bit order
return ctpop64(val);
}
-static inline uint64_t *get_gregset(uint64_t pstate)
+static inline uint64_t *get_gregset(uint32_t pstate)
{
switch (pstate) {
default:
+ DPRINTF_PSTATE("ERROR in get_gregset: active pstate bits=%x%s%s%s\n",
+ pstate,
+ (pstate & PS_IG) ? " IG" : "",
+ (pstate & PS_MG) ? " MG" : "",
+ (pstate & PS_AG) ? " AG" : "");
+ /* pass through to normal set of global registers */
case 0:
return env->bgregs;
case PS_AG:
}
}
-static inline void change_pstate(uint64_t new_pstate)
+static inline void change_pstate(uint32_t new_pstate)
{
- uint64_t pstate_regs, new_pstate_regs;
+ uint32_t pstate_regs, new_pstate_regs;
uint64_t *src, *dst;
+ if (env->def->features & CPU_FEATURE_GL) {
+ // PS_AG is not implemented in this case
+ new_pstate &= ~PS_AG;
+ }
+
pstate_regs = env->pstate & 0xc01;
new_pstate_regs = new_pstate & 0xc01;
+
if (new_pstate_regs != pstate_regs) {
+ DPRINTF_PSTATE("change_pstate: switching regs old=%x new=%x\n",
+ pstate_regs, new_pstate_regs);
// Switch global register bank
src = get_gregset(new_pstate_regs);
dst = get_gregset(pstate_regs);
memcpy32(dst, env->gregs);
memcpy32(env->gregs, src);
}
+ else {
+ DPRINTF_PSTATE("change_pstate: regs new=%x (unchanged)\n",
+ new_pstate_regs);
+ }
env->pstate = new_pstate;
}
void helper_wrpstate(target_ulong new_state)
{
- if (!(env->def->features & CPU_FEATURE_GL))
- change_pstate(new_state & 0xf3f);
+ change_pstate(new_state & 0xf3f);
+
+#if !defined(CONFIG_USER_ONLY)
+ if (cpu_interrupts_enabled(env)) {
+ cpu_check_irqs(env);
+ }
+#endif
+}
+
+void helper_wrpil(target_ulong new_pil)
+{
+#if !defined(CONFIG_USER_ONLY)
+ DPRINTF_PSTATE("helper_wrpil old=%x new=%x\n",
+ env->psrpil, (uint32_t)new_pil);
+
+ env->psrpil = new_pil;
+
+ if (cpu_interrupts_enabled(env)) {
+ cpu_check_irqs(env);
+ }
+#endif
}
void helper_done(void)
{
- env->pc = env->tsptr->tpc;
- env->npc = env->tsptr->tnpc + 4;
- PUT_CCR(env, env->tsptr->tstate >> 32);
- env->asi = (env->tsptr->tstate >> 24) & 0xff;
- change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
- PUT_CWP64(env, env->tsptr->tstate & 0xff);
+ trap_state* tsptr = cpu_tsptr(env);
+
+ env->pc = tsptr->tnpc;
+ env->npc = tsptr->tnpc + 4;
+ put_ccr(tsptr->tstate >> 32);
+ env->asi = (tsptr->tstate >> 24) & 0xff;
+ change_pstate((tsptr->tstate >> 8) & 0xf3f);
+ put_cwp64(tsptr->tstate & 0xff);
env->tl--;
- env->tsptr = &env->ts[env->tl & MAXTL_MASK];
+
+ DPRINTF_PSTATE("... helper_done tl=%d\n", env->tl);
+
+#if !defined(CONFIG_USER_ONLY)
+ if (cpu_interrupts_enabled(env)) {
+ cpu_check_irqs(env);
+ }
+#endif
}
void helper_retry(void)
{
- env->pc = env->tsptr->tpc;
- env->npc = env->tsptr->tnpc;
- PUT_CCR(env, env->tsptr->tstate >> 32);
- env->asi = (env->tsptr->tstate >> 24) & 0xff;
- change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
- PUT_CWP64(env, env->tsptr->tstate & 0xff);
+ trap_state* tsptr = cpu_tsptr(env);
+
+ env->pc = tsptr->tpc;
+ env->npc = tsptr->tnpc;
+ put_ccr(tsptr->tstate >> 32);
+ env->asi = (tsptr->tstate >> 24) & 0xff;
+ change_pstate((tsptr->tstate >> 8) & 0xf3f);
+ put_cwp64(tsptr->tstate & 0xff);
env->tl--;
- env->tsptr = &env->ts[env->tl & MAXTL_MASK];
+
+ DPRINTF_PSTATE("... helper_retry tl=%d\n", env->tl);
+
+#if !defined(CONFIG_USER_ONLY)
+ if (cpu_interrupts_enabled(env)) {
+ cpu_check_irqs(env);
+ }
+#endif
+}
+
+static void do_modify_softint(const char* operation, uint32_t value)
+{
+ if (env->softint != value) {
+ env->softint = value;
+ DPRINTF_PSTATE(": %s new %08x\n", operation, env->softint);
+#if !defined(CONFIG_USER_ONLY)
+ if (cpu_interrupts_enabled(env)) {
+ cpu_check_irqs(env);
+ }
+#endif
+ }
}
void helper_set_softint(uint64_t value)
{
- env->softint |= (uint32_t)value;
+ do_modify_softint("helper_set_softint", env->softint | (uint32_t)value);
}
void helper_clear_softint(uint64_t value)
{
- env->softint &= (uint32_t)~value;
+ do_modify_softint("helper_clear_softint", env->softint & (uint32_t)~value);
}
void helper_write_softint(uint64_t value)
{
- env->softint = (uint32_t)value;
+ do_modify_softint("helper_write_softint", (uint32_t)value);
}
#endif
-void helper_flush(target_ulong addr)
-{
- addr &= ~7;
- tb_invalidate_page_range(addr, addr + 8);
-}
-
#ifdef TARGET_SPARC64
#ifdef DEBUG_PCALL
static const char * const excp_names[0x80] = {
};
#endif
+trap_state* cpu_tsptr(CPUState* env)
+{
+ return &env->ts[env->tl & MAXTL_MASK];
+}
+
void do_interrupt(CPUState *env)
{
int intno = env->exception_index;
+ trap_state *tsptr;
#ifdef DEBUG_PCALL
if (qemu_loglevel_mask(CPU_LOG_INT)) {
static int count;
const char *name;
- if (intno < 0 || intno >= 0x180)
+ if (intno < 0 || intno >= 0x180) {
name = "Unknown";
- else if (intno >= 0x100)
+ } else if (intno >= 0x100) {
name = "Trap Instruction";
- else if (intno >= 0xc0)
+ } else if (intno >= 0xc0) {
name = "Window Fill";
- else if (intno >= 0x80)
+ } else if (intno >= 0x80) {
name = "Window Spill";
- else {
+ } else {
name = excp_names[intno];
- if (!name)
+ if (!name) {
name = "Unknown";
+ }
}
qemu_log("%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
qemu_log(" code=");
ptr = (uint8_t *)env->pc;
- for(i = 0; i < 16; i++) {
+ for (i = 0; i < 16; i++) {
qemu_log(" %02x", ldub(ptr + i));
}
qemu_log("\n");
env->tl++;
} else {
env->pstate |= PS_RED;
- if (env->tl < env->maxtl)
+ if (env->tl < env->maxtl) {
env->tl++;
+ }
}
- env->tsptr = &env->ts[env->tl & MAXTL_MASK];
- env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
+ tsptr = cpu_tsptr(env);
+
+ tsptr->tstate = (get_ccr() << 32) |
((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
- GET_CWP64(env);
- env->tsptr->tpc = env->pc;
- env->tsptr->tnpc = env->npc;
- env->tsptr->tt = intno;
- if (!(env->def->features & CPU_FEATURE_GL)) {
- switch (intno) {
- case TT_IVEC:
- change_pstate(PS_PEF | PS_PRIV | PS_IG);
- break;
- case TT_TFAULT:
- case TT_TMISS:
- case TT_DFAULT:
- case TT_DMISS:
- case TT_DPROT:
- change_pstate(PS_PEF | PS_PRIV | PS_MG);
- break;
- default:
- change_pstate(PS_PEF | PS_PRIV | PS_AG);
- break;
- }
+ get_cwp64();
+ tsptr->tpc = env->pc;
+ tsptr->tnpc = env->npc;
+ tsptr->tt = intno;
+
+ switch (intno) {
+ case TT_IVEC:
+ change_pstate(PS_PEF | PS_PRIV | PS_IG);
+ break;
+ case TT_TFAULT:
+ case TT_DFAULT:
+ case TT_TMISS ... TT_TMISS + 3:
+ case TT_DMISS ... TT_DMISS + 3:
+ case TT_DPROT ... TT_DPROT + 3:
+ change_pstate(PS_PEF | PS_PRIV | PS_MG);
+ break;
+ default:
+ change_pstate(PS_PEF | PS_PRIV | PS_AG);
+ break;
+ }
+
+ if (intno == TT_CLRWIN) {
+ set_cwp(cwp_dec(env->cwp - 1));
+ } else if ((intno & 0x1c0) == TT_SPILL) {
+ set_cwp(cwp_dec(env->cwp - env->cansave - 2));
+ } else if ((intno & 0x1c0) == TT_FILL) {
+ set_cwp(cwp_inc(env->cwp + 1));
}
- if (intno == TT_CLRWIN)
- cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
- else if ((intno & 0x1c0) == TT_SPILL)
- cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
- else if ((intno & 0x1c0) == TT_FILL)
- cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
env->tbr &= ~0x7fffULL;
env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
env->pc = env->tbr;
env->npc = env->pc + 4;
- env->exception_index = 0;
+ env->exception_index = -1;
}
#else
#ifdef DEBUG_PCALL
static int count;
const char *name;
- if (intno < 0 || intno >= 0x100)
+ if (intno < 0 || intno >= 0x100) {
name = "Unknown";
- else if (intno >= 0x80)
+ } else if (intno >= 0x80) {
name = "Trap Instruction";
- else {
+ } else {
name = excp_names[intno];
- if (!name)
+ if (!name) {
name = "Unknown";
+ }
}
qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
qemu_log(" code=");
ptr = (uint8_t *)env->pc;
- for(i = 0; i < 16; i++) {
+ for (i = 0; i < 16; i++) {
qemu_log(" %02x", ldub(ptr + i));
}
qemu_log("\n");
}
#endif
env->psret = 0;
- cwp = cpu_cwp_dec(env, env->cwp - 1);
- cpu_set_cwp(env, cwp);
+ cwp = cwp_dec(env->cwp - 1);
+ set_cwp(cwp);
env->regwptr[9] = env->pc;
env->regwptr[10] = env->npc;
env->psrps = env->psrs;
env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
env->pc = env->tbr;
env->npc = env->pc + 4;
- env->exception_index = 0;
+ env->exception_index = -1;
+
+#if !defined(CONFIG_USER_ONLY)
+ /* IRQ acknowledgment */
+ if ((intno & ~15) == TT_EXTINT && env->qemu_irq_ack != NULL) {
+ env->qemu_irq_ack(env->irq_manager, intno);
+ }
+#endif
}
#endif
if (tb) {
/* the PC is inside the translated code. It means that we have
a virtual CPU fault */
- cpu_restore_state(tb, env, pc, (void *)(long)env->cond);
+ cpu_restore_state(tb, env, pc);
}
}
}
ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
if (ret) {
cpu_restore_state2(retaddr);
- cpu_loop_exit();
+ cpu_loop_exit(env);
}
env = saved_env;
}
-#endif
+#endif /* !CONFIG_USER_ONLY */
#ifndef TARGET_SPARC64
+#if !defined(CONFIG_USER_ONLY)
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
int is_asi, int size)
{
CPUState *saved_env;
+ int fault_type;
/* XXX: hack to restore env in all cases, even if not called from
generated code */
is_exec ? "exec" : is_write ? "write" : "read", size,
size == 1 ? "" : "s", addr, env->pc);
#endif
- if (env->mmuregs[3]) /* Fault status register */
- env->mmuregs[3] = 1; /* overflow (not read before another fault) */
- if (is_asi)
- env->mmuregs[3] |= 1 << 16;
- if (env->psrs)
- env->mmuregs[3] |= 1 << 5;
- if (is_exec)
- env->mmuregs[3] |= 1 << 6;
- if (is_write)
- env->mmuregs[3] |= 1 << 7;
- env->mmuregs[3] |= (5 << 2) | 2;
- env->mmuregs[4] = addr; /* Fault address register */
+ /* Don't overwrite translation and access faults */
+ fault_type = (env->mmuregs[3] & 0x1c) >> 2;
+ if ((fault_type > 4) || (fault_type == 0)) {
+ env->mmuregs[3] = 0; /* Fault status register */
+ if (is_asi)
+ env->mmuregs[3] |= 1 << 16;
+ if (env->psrs)
+ env->mmuregs[3] |= 1 << 5;
+ if (is_exec)
+ env->mmuregs[3] |= 1 << 6;
+ if (is_write)
+ env->mmuregs[3] |= 1 << 7;
+ env->mmuregs[3] |= (5 << 2) | 2;
+ /* SuperSPARC will never place instruction fault addresses in the FAR */
+ if (!is_exec) {
+ env->mmuregs[4] = addr; /* Fault address register */
+ }
+ }
+ /* overflow (same type fault was not read before another fault) */
+ if (fault_type == ((env->mmuregs[3] & 0x1c)) >> 2) {
+ env->mmuregs[3] |= 1;
+ }
+
if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) {
if (is_exec)
raise_exception(TT_CODE_ACCESS);
else
raise_exception(TT_DATA_ACCESS);
}
+
+ /* flush neverland mappings created during no-fault mode,
+ so the sequential MMU faults report proper fault types */
+ if (env->mmuregs[0] & MMU_NF) {
+ tlb_flush(env, 1);
+ }
+
env = saved_env;
}
+#endif
+#else
+#if defined(CONFIG_USER_ONLY)
+static void do_unassigned_access(target_ulong addr, int is_write, int is_exec,
+ int is_asi, int size)
#else
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
int is_asi, int size)
+#endif
{
-#ifdef DEBUG_UNASSIGNED
CPUState *saved_env;
/* XXX: hack to restore env in all cases, even if not called from
generated code */
saved_env = env;
env = cpu_single_env;
+
+#ifdef DEBUG_UNASSIGNED
printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx
"\n", addr, env->pc);
- env = saved_env;
#endif
+
if (is_exec)
raise_exception(TT_CODE_ACCESS);
else
raise_exception(TT_DATA_ACCESS);
+
+ env = saved_env;
}
#endif
+
#ifdef TARGET_SPARC64
void helper_tick_set_count(void *opaque, uint64_t count)
{