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Diffstat (limited to 'target-mips/op_helper.c')
-rw-r--r--target-mips/op_helper.c254
1 files changed, 141 insertions, 113 deletions
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c
index 94de1087ef..6739fff216 100644
--- a/target-mips/op_helper.c
+++ b/target-mips/op_helper.c
@@ -30,42 +30,23 @@ static inline void cpu_mips_tlb_flush (CPUMIPSState *env, int flush_global);
/*****************************************************************************/
/* Exceptions processing helpers */
-static inline void QEMU_NORETURN do_raise_exception_err(CPUMIPSState *env,
- uint32_t exception,
- int error_code,
- uintptr_t pc)
+void helper_raise_exception_err(CPUMIPSState *env, uint32_t exception,
+ int error_code)
{
- CPUState *cs = CPU(mips_env_get_cpu(env));
-
- if (exception < EXCP_SC) {
- qemu_log_mask(CPU_LOG_INT, "%s: %d %d\n",
- __func__, exception, error_code);
- }
- cs->exception_index = exception;
- env->error_code = error_code;
-
- if (pc) {
- /* now we have a real cpu fault */
- cpu_restore_state(cs, pc);
- }
-
- cpu_loop_exit(cs);
+ do_raise_exception_err(env, exception, error_code, 0);
}
-static inline void QEMU_NORETURN do_raise_exception(CPUMIPSState *env,
- uint32_t exception,
- uintptr_t pc)
+void helper_raise_exception(CPUMIPSState *env, uint32_t exception)
{
- do_raise_exception_err(env, exception, 0, pc);
+ do_raise_exception(env, exception, GETPC());
}
-void helper_raise_exception_err(CPUMIPSState *env, uint32_t exception,
- int error_code)
+void helper_raise_exception_debug(CPUMIPSState *env)
{
- do_raise_exception_err(env, exception, error_code, 0);
+ do_raise_exception(env, EXCP_DEBUG, 0);
}
-void helper_raise_exception(CPUMIPSState *env, uint32_t exception)
+static void raise_exception(CPUMIPSState *env, uint32_t exception)
{
do_raise_exception(env, exception, 0);
}
@@ -73,21 +54,21 @@ void helper_raise_exception(CPUMIPSState *env, uint32_t exception)
#if defined(CONFIG_USER_ONLY)
#define HELPER_LD(name, insn, type) \
static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
- int mem_idx) \
+ int mem_idx, uintptr_t retaddr) \
{ \
- return (type) cpu_##insn##_data(env, addr); \
+ return (type) cpu_##insn##_data_ra(env, addr, retaddr); \
}
#else
#define HELPER_LD(name, insn, type) \
static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
- int mem_idx) \
+ int mem_idx, uintptr_t retaddr) \
{ \
switch (mem_idx) \
{ \
- case 0: return (type) cpu_##insn##_kernel(env, addr); break; \
- case 1: return (type) cpu_##insn##_super(env, addr); break; \
+ case 0: return (type) cpu_##insn##_kernel_ra(env, addr, retaddr); \
+ case 1: return (type) cpu_##insn##_super_ra(env, addr, retaddr); \
default: \
- case 2: return (type) cpu_##insn##_user(env, addr); break; \
+ case 2: return (type) cpu_##insn##_user_ra(env, addr, retaddr); \
} \
}
#endif
@@ -100,21 +81,21 @@ HELPER_LD(ld, ldq, int64_t)
#if defined(CONFIG_USER_ONLY)
#define HELPER_ST(name, insn, type) \
static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
- type val, int mem_idx) \
+ type val, int mem_idx, uintptr_t retaddr) \
{ \
- cpu_##insn##_data(env, addr, val); \
+ cpu_##insn##_data_ra(env, addr, val, retaddr); \
}
#else
#define HELPER_ST(name, insn, type) \
static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
- type val, int mem_idx) \
+ type val, int mem_idx, uintptr_t retaddr) \
{ \
switch (mem_idx) \
{ \
- case 0: cpu_##insn##_kernel(env, addr, val); break; \
- case 1: cpu_##insn##_super(env, addr, val); break; \
+ case 0: cpu_##insn##_kernel_ra(env, addr, val, retaddr); break; \
+ case 1: cpu_##insn##_super_ra(env, addr, val, retaddr); break; \
default: \
- case 2: cpu_##insn##_user(env, addr, val); break; \
+ case 2: cpu_##insn##_user_ra(env, addr, val, retaddr); break; \
} \
}
#endif
@@ -293,14 +274,15 @@ target_ulong helper_bitswap(target_ulong rt)
static inline hwaddr do_translate_address(CPUMIPSState *env,
target_ulong address,
- int rw)
+ int rw, uintptr_t retaddr)
{
hwaddr lladdr;
+ CPUState *cs = CPU(mips_env_get_cpu(env));
lladdr = cpu_mips_translate_address(env, address, rw);
if (lladdr == -1LL) {
- cpu_loop_exit(CPU(mips_env_get_cpu(env)));
+ cpu_loop_exit_restore(cs, retaddr);
} else {
return lladdr;
}
@@ -311,10 +293,10 @@ target_ulong helper_##name(CPUMIPSState *env, target_ulong arg, int mem_idx) \
{ \
if (arg & almask) { \
env->CP0_BadVAddr = arg; \
- helper_raise_exception(env, EXCP_AdEL); \
+ do_raise_exception(env, EXCP_AdEL, GETPC()); \
} \
- env->lladdr = do_translate_address(env, arg, 0); \
- env->llval = do_##insn(env, arg, mem_idx); \
+ env->lladdr = do_translate_address(env, arg, 0, GETPC()); \
+ env->llval = do_##insn(env, arg, mem_idx, GETPC()); \
return env->llval; \
}
HELPER_LD_ATOMIC(ll, lw, 0x3)
@@ -331,12 +313,12 @@ target_ulong helper_##name(CPUMIPSState *env, target_ulong arg1, \
\
if (arg2 & almask) { \
env->CP0_BadVAddr = arg2; \
- helper_raise_exception(env, EXCP_AdES); \
+ do_raise_exception(env, EXCP_AdES, GETPC()); \
} \
- if (do_translate_address(env, arg2, 1) == env->lladdr) { \
- tmp = do_##ld_insn(env, arg2, mem_idx); \
+ if (do_translate_address(env, arg2, 1, GETPC()) == env->lladdr) { \
+ tmp = do_##ld_insn(env, arg2, mem_idx, GETPC()); \
if (tmp == env->llval) { \
- do_##st_insn(env, arg2, arg1, mem_idx); \
+ do_##st_insn(env, arg2, arg1, mem_idx, GETPC()); \
return 1; \
} \
} \
@@ -360,31 +342,43 @@ HELPER_ST_ATOMIC(scd, ld, sd, 0x7)
void helper_swl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
int mem_idx)
{
- do_sb(env, arg2, (uint8_t)(arg1 >> 24), mem_idx);
+ do_sb(env, arg2, (uint8_t)(arg1 >> 24), mem_idx, GETPC());
- if (GET_LMASK(arg2) <= 2)
- do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 16), mem_idx);
+ if (GET_LMASK(arg2) <= 2) {
+ do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 16), mem_idx,
+ GETPC());
+ }
- if (GET_LMASK(arg2) <= 1)
- do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 8), mem_idx);
+ if (GET_LMASK(arg2) <= 1) {
+ do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 8), mem_idx,
+ GETPC());
+ }
- if (GET_LMASK(arg2) == 0)
- do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)arg1, mem_idx);
+ if (GET_LMASK(arg2) == 0) {
+ do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)arg1, mem_idx,
+ GETPC());
+ }
}
void helper_swr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
int mem_idx)
{
- do_sb(env, arg2, (uint8_t)arg1, mem_idx);
+ do_sb(env, arg2, (uint8_t)arg1, mem_idx, GETPC());
- if (GET_LMASK(arg2) >= 1)
- do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
+ if (GET_LMASK(arg2) >= 1) {
+ do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx,
+ GETPC());
+ }
- if (GET_LMASK(arg2) >= 2)
- do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
+ if (GET_LMASK(arg2) >= 2) {
+ do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx,
+ GETPC());
+ }
- if (GET_LMASK(arg2) == 3)
- do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
+ if (GET_LMASK(arg2) == 3) {
+ do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx,
+ GETPC());
+ }
}
#if defined(TARGET_MIPS64)
@@ -400,55 +394,83 @@ void helper_swr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
void helper_sdl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
int mem_idx)
{
- do_sb(env, arg2, (uint8_t)(arg1 >> 56), mem_idx);
+ do_sb(env, arg2, (uint8_t)(arg1 >> 56), mem_idx, GETPC());
- if (GET_LMASK64(arg2) <= 6)
- do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 48), mem_idx);
+ if (GET_LMASK64(arg2) <= 6) {
+ do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 48), mem_idx,
+ GETPC());
+ }
- if (GET_LMASK64(arg2) <= 5)
- do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 40), mem_idx);
+ if (GET_LMASK64(arg2) <= 5) {
+ do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 40), mem_idx,
+ GETPC());
+ }
- if (GET_LMASK64(arg2) <= 4)
- do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)(arg1 >> 32), mem_idx);
+ if (GET_LMASK64(arg2) <= 4) {
+ do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)(arg1 >> 32), mem_idx,
+ GETPC());
+ }
- if (GET_LMASK64(arg2) <= 3)
- do_sb(env, GET_OFFSET(arg2, 4), (uint8_t)(arg1 >> 24), mem_idx);
+ if (GET_LMASK64(arg2) <= 3) {
+ do_sb(env, GET_OFFSET(arg2, 4), (uint8_t)(arg1 >> 24), mem_idx,
+ GETPC());
+ }
- if (GET_LMASK64(arg2) <= 2)
- do_sb(env, GET_OFFSET(arg2, 5), (uint8_t)(arg1 >> 16), mem_idx);
+ if (GET_LMASK64(arg2) <= 2) {
+ do_sb(env, GET_OFFSET(arg2, 5), (uint8_t)(arg1 >> 16), mem_idx,
+ GETPC());
+ }
- if (GET_LMASK64(arg2) <= 1)
- do_sb(env, GET_OFFSET(arg2, 6), (uint8_t)(arg1 >> 8), mem_idx);
+ if (GET_LMASK64(arg2) <= 1) {
+ do_sb(env, GET_OFFSET(arg2, 6), (uint8_t)(arg1 >> 8), mem_idx,
+ GETPC());
+ }
- if (GET_LMASK64(arg2) <= 0)
- do_sb(env, GET_OFFSET(arg2, 7), (uint8_t)arg1, mem_idx);
+ if (GET_LMASK64(arg2) <= 0) {
+ do_sb(env, GET_OFFSET(arg2, 7), (uint8_t)arg1, mem_idx,
+ GETPC());
+ }
}
void helper_sdr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
int mem_idx)
{
- do_sb(env, arg2, (uint8_t)arg1, mem_idx);
+ do_sb(env, arg2, (uint8_t)arg1, mem_idx, GETPC());
- if (GET_LMASK64(arg2) >= 1)
- do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
+ if (GET_LMASK64(arg2) >= 1) {
+ do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx,
+ GETPC());
+ }
- if (GET_LMASK64(arg2) >= 2)
- do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
+ if (GET_LMASK64(arg2) >= 2) {
+ do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx,
+ GETPC());
+ }
- if (GET_LMASK64(arg2) >= 3)
- do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
+ if (GET_LMASK64(arg2) >= 3) {
+ do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx,
+ GETPC());
+ }
- if (GET_LMASK64(arg2) >= 4)
- do_sb(env, GET_OFFSET(arg2, -4), (uint8_t)(arg1 >> 32), mem_idx);
+ if (GET_LMASK64(arg2) >= 4) {
+ do_sb(env, GET_OFFSET(arg2, -4), (uint8_t)(arg1 >> 32), mem_idx,
+ GETPC());
+ }
- if (GET_LMASK64(arg2) >= 5)
- do_sb(env, GET_OFFSET(arg2, -5), (uint8_t)(arg1 >> 40), mem_idx);
+ if (GET_LMASK64(arg2) >= 5) {
+ do_sb(env, GET_OFFSET(arg2, -5), (uint8_t)(arg1 >> 40), mem_idx,
+ GETPC());
+ }
- if (GET_LMASK64(arg2) >= 6)
- do_sb(env, GET_OFFSET(arg2, -6), (uint8_t)(arg1 >> 48), mem_idx);
+ if (GET_LMASK64(arg2) >= 6) {
+ do_sb(env, GET_OFFSET(arg2, -6), (uint8_t)(arg1 >> 48), mem_idx,
+ GETPC());
+ }
- if (GET_LMASK64(arg2) == 7)
- do_sb(env, GET_OFFSET(arg2, -7), (uint8_t)(arg1 >> 56), mem_idx);
+ if (GET_LMASK64(arg2) == 7) {
+ do_sb(env, GET_OFFSET(arg2, -7), (uint8_t)(arg1 >> 56), mem_idx,
+ GETPC());
+ }
}
#endif /* TARGET_MIPS64 */
@@ -465,13 +487,14 @@ void helper_lwm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
for (i = 0; i < base_reglist; i++) {
env->active_tc.gpr[multiple_regs[i]] =
- (target_long)do_lw(env, addr, mem_idx);
+ (target_long)do_lw(env, addr, mem_idx, GETPC());
addr += 4;
}
}
if (do_r31) {
- env->active_tc.gpr[31] = (target_long)do_lw(env, addr, mem_idx);
+ env->active_tc.gpr[31] = (target_long)do_lw(env, addr, mem_idx,
+ GETPC());
}
}
@@ -485,13 +508,14 @@ void helper_swm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
target_ulong i;
for (i = 0; i < base_reglist; i++) {
- do_sw(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx);
+ do_sw(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx,
+ GETPC());
addr += 4;
}
}
if (do_r31) {
- do_sw(env, addr, env->active_tc.gpr[31], mem_idx);
+ do_sw(env, addr, env->active_tc.gpr[31], mem_idx, GETPC());
}
}
@@ -506,13 +530,14 @@ void helper_ldm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
target_ulong i;
for (i = 0; i < base_reglist; i++) {
- env->active_tc.gpr[multiple_regs[i]] = do_ld(env, addr, mem_idx);
+ env->active_tc.gpr[multiple_regs[i]] = do_ld(env, addr, mem_idx,
+ GETPC());
addr += 8;
}
}
if (do_r31) {
- env->active_tc.gpr[31] = do_ld(env, addr, mem_idx);
+ env->active_tc.gpr[31] = do_ld(env, addr, mem_idx, GETPC());
}
}
@@ -526,13 +551,14 @@ void helper_sdm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
target_ulong i;
for (i = 0; i < base_reglist; i++) {
- do_sd(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx);
+ do_sd(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx,
+ GETPC());
addr += 8;
}
}
if (do_r31) {
- do_sd(env, addr, env->active_tc.gpr[31], mem_idx);
+ do_sd(env, addr, env->active_tc.gpr[31], mem_idx, GETPC());
}
}
#endif
@@ -1792,13 +1818,13 @@ target_ulong helper_yield(CPUMIPSState *env, target_ulong arg)
env->active_tc.CP0_TCStatus & (1 << CP0TCSt_DT)) {
env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
env->CP0_VPEControl |= 4 << CP0VPECo_EXCPT;
- helper_raise_exception(env, EXCP_THREAD);
+ do_raise_exception(env, EXCP_THREAD, GETPC());
}
}
} else if (arg1 == 0) {
if (0 /* TODO: TC underflow */) {
env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
- helper_raise_exception(env, EXCP_THREAD);
+ do_raise_exception(env, EXCP_THREAD, GETPC());
} else {
// TODO: Deallocate TC
}
@@ -1806,7 +1832,7 @@ target_ulong helper_yield(CPUMIPSState *env, target_ulong arg)
/* Yield qualifier inputs not implemented. */
env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
env->CP0_VPEControl |= 2 << CP0VPECo_EXCPT;
- helper_raise_exception(env, EXCP_THREAD);
+ do_raise_exception(env, EXCP_THREAD, GETPC());
}
return env->CP0_YQMask;
}
@@ -2165,7 +2191,7 @@ target_ulong helper_rdhwr_cpunum(CPUMIPSState *env)
(env->CP0_HWREna & (1 << 0)))
return env->CP0_EBase & 0x3ff;
else
- helper_raise_exception(env, EXCP_RI);
+ do_raise_exception(env, EXCP_RI, GETPC());
return 0;
}
@@ -2176,7 +2202,7 @@ target_ulong helper_rdhwr_synci_step(CPUMIPSState *env)
(env->CP0_HWREna & (1 << 1)))
return env->SYNCI_Step;
else
- helper_raise_exception(env, EXCP_RI);
+ do_raise_exception(env, EXCP_RI, GETPC());
return 0;
}
@@ -2191,7 +2217,7 @@ target_ulong helper_rdhwr_cc(CPUMIPSState *env)
return (int32_t)cpu_mips_get_count(env);
#endif
} else {
- helper_raise_exception(env, EXCP_RI);
+ do_raise_exception(env, EXCP_RI, GETPC());
}
return 0;
@@ -2203,7 +2229,7 @@ target_ulong helper_rdhwr_ccres(CPUMIPSState *env)
(env->CP0_HWREna & (1 << 3)))
return env->CCRes;
else
- helper_raise_exception(env, EXCP_RI);
+ do_raise_exception(env, EXCP_RI, GETPC());
return 0;
}
@@ -2240,7 +2266,9 @@ void helper_wait(CPUMIPSState *env)
cs->halted = 1;
cpu_reset_interrupt(cs, CPU_INTERRUPT_WAKE);
- helper_raise_exception(env, EXCP_HLT);
+ /* Last instruction in the block, PC was updated before
+ - no need to recover PC and icount */
+ raise_exception(env, EXCP_HLT);
}
#if !defined(CONFIG_USER_ONLY)
@@ -2301,9 +2329,9 @@ void mips_cpu_unassigned_access(CPUState *cs, hwaddr addr,
}
if (is_exec) {
- helper_raise_exception(env, EXCP_IBE);
+ raise_exception(env, EXCP_IBE);
} else {
- helper_raise_exception(env, EXCP_DBE);
+ raise_exception(env, EXCP_DBE);
}
}
#endif /* !CONFIG_USER_ONLY */
@@ -2338,7 +2366,7 @@ target_ulong helper_cfc1(CPUMIPSState *env, uint32_t reg)
arg1 = (int32_t)
((env->CP0_Status & (1 << CP0St_FR)) >> CP0St_FR);
} else {
- helper_raise_exception(env, EXCP_RI);
+ do_raise_exception(env, EXCP_RI, GETPC());
}
}
break;
@@ -2381,7 +2409,7 @@ void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t fs, uint32_t rt)
env->CP0_Status &= ~(1 << CP0St_FR);
compute_hflags(env);
} else {
- helper_raise_exception(env, EXCP_RI);
+ do_raise_exception(env, EXCP_RI, GETPC());
}
break;
case 4:
@@ -2393,7 +2421,7 @@ void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t fs, uint32_t rt)
env->CP0_Status |= (1 << CP0St_FR);
compute_hflags(env);
} else {
- helper_raise_exception(env, EXCP_RI);
+ do_raise_exception(env, EXCP_RI, GETPC());
}
break;
case 5:
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-10 11:18:54 +0000