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Diffstat (limited to 'target-mips')
-rw-r--r--target-mips/machine.c6
-rw-r--r--target-mips/op_helper.c10
-rw-r--r--target-mips/translate.c11
-rw-r--r--target-mips/translate_init.c4
4 files changed, 20 insertions, 11 deletions
diff --git a/target-mips/machine.c b/target-mips/machine.c
index 0ba7d736db..6c76dfbe03 100644
--- a/target-mips/machine.c
+++ b/target-mips/machine.c
@@ -285,6 +285,10 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
qemu_get_sbe32s(f, &env->CP0_SRSConf4);
qemu_get_sbe32s(f, &env->CP0_HWREna);
qemu_get_betls(f, &env->CP0_BadVAddr);
+ if (version_id >= 5) {
+ qemu_get_be32s(f, &env->CP0_BadInstr);
+ qemu_get_be32s(f, &env->CP0_BadInstrP);
+ }
qemu_get_sbe32s(f, &env->CP0_Count);
qemu_get_betls(f, &env->CP0_EntryHi);
qemu_get_sbe32s(f, &env->CP0_Compare);
@@ -319,8 +323,6 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
qemu_get_betls(f, &env->CP0_ErrorEPC);
qemu_get_sbe32s(f, &env->CP0_DESAVE);
if (version_id >= 5) {
- qemu_get_be32s(f, &env->CP0_BadInstr);
- qemu_get_be32s(f, &env->CP0_BadInstrP);
for (i = 0; i < MIPS_KSCRATCH_NUM; i++) {
qemu_get_betls(f, &env->CP0_KScratch[i]);
}
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c
index ea7d95f36c..73a8e458fc 100644
--- a/target-mips/op_helper.c
+++ b/target-mips/op_helper.c
@@ -304,16 +304,20 @@ static inline hwaddr do_translate_address(CPUMIPSState *env,
}
}
-#define HELPER_LD_ATOMIC(name, insn) \
+#define HELPER_LD_ATOMIC(name, insn, almask) \
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); \
+ } \
env->lladdr = do_translate_address(env, arg, 0); \
env->llval = do_##insn(env, arg, mem_idx); \
return env->llval; \
}
-HELPER_LD_ATOMIC(ll, lw)
+HELPER_LD_ATOMIC(ll, lw, 0x3)
#ifdef TARGET_MIPS64
-HELPER_LD_ATOMIC(lld, ld)
+HELPER_LD_ATOMIC(lld, ld, 0x7)
#endif
#undef HELPER_LD_ATOMIC
diff --git a/target-mips/translate.c b/target-mips/translate.c
index 881e7fb6d6..ca51149872 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -4947,7 +4947,7 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
#if defined(TARGET_MIPS64)
if (ctx->rxi) {
TCGv tmp = tcg_temp_new();
- tcg_gen_andi_tl(tmp, arg, (3ull << 62));
+ tcg_gen_andi_tl(tmp, arg, (3ull << CP0EnLo_XI));
tcg_gen_shri_tl(tmp, tmp, 32);
tcg_gen_or_tl(arg, arg, tmp);
tcg_temp_free(tmp);
@@ -5002,7 +5002,7 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
#if defined(TARGET_MIPS64)
if (ctx->rxi) {
TCGv tmp = tcg_temp_new();
- tcg_gen_andi_tl(tmp, arg, (3ull << 62));
+ tcg_gen_andi_tl(tmp, arg, (3ull << CP0EnLo_XI));
tcg_gen_shri_tl(tmp, tmp, 32);
tcg_gen_or_tl(arg, arg, tmp);
tcg_temp_free(tmp);
@@ -13653,7 +13653,7 @@ static void decode_micromips32_opc (CPUMIPSState *env, DisasContext *ctx,
target. */
break;
case LUI:
- gen_logic_imm(ctx, OPC_LUI, rs, -1, imm);
+ gen_logic_imm(ctx, OPC_LUI, rs, 0, imm);
break;
case SYNCI:
/* Break the TB to be able to sync copied instructions
@@ -19095,6 +19095,7 @@ gen_intermediate_code_internal(MIPSCPU *cpu, TranslationBlock *tb,
CPUMIPSState *env = &cpu->env;
DisasContext ctx;
target_ulong pc_start;
+ target_ulong next_page_start;
CPUBreakpoint *bp;
int j, lj = -1;
int num_insns;
@@ -19106,6 +19107,7 @@ gen_intermediate_code_internal(MIPSCPU *cpu, TranslationBlock *tb,
qemu_log("search pc %d\n", search_pc);
pc_start = tb->pc;
+ next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
ctx.pc = pc_start;
ctx.saved_pc = -1;
ctx.singlestep_enabled = cs->singlestep_enabled;
@@ -19204,8 +19206,9 @@ gen_intermediate_code_internal(MIPSCPU *cpu, TranslationBlock *tb,
break;
}
- if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
+ if (ctx.pc >= next_page_start) {
break;
+ }
if (tcg_op_buf_full()) {
break;
diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c
index 1543f6c388..9e8433a919 100644
--- a/target-mips/translate_init.c
+++ b/target-mips/translate_init.c
@@ -474,7 +474,7 @@ static const mips_def_t mips_defs[] =
.CP0_LLAddr_shift = 4,
.SYNCI_Step = 32,
.CCRes = 2,
- .CP0_Status_rw_bitmask = 0x32F8FFFF,
+ .CP0_Status_rw_bitmask = 0x12F8FFFF,
.SEGBITS = 42,
.PABITS = 36,
.insn_flags = CPU_MIPS64,
@@ -575,7 +575,7 @@ static const mips_def_t mips_defs[] =
.CP0_LLAddr_shift = 4,
.SYNCI_Step = 32,
.CCRes = 2,
- .CP0_Status_rw_bitmask = 0x32F8FFFF,
+ .CP0_Status_rw_bitmask = 0x12F8FFFF,
.SEGBITS = 42,
.PABITS = 36,
.insn_flags = CPU_MIPS64R2,