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Diffstat (limited to 'target-mips/helper.c')
-rw-r--r--target-mips/helper.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/target-mips/helper.c b/target-mips/helper.c
index 3a93c206e4..c4b3658098 100644
--- a/target-mips/helper.c
+++ b/target-mips/helper.c
@@ -527,7 +527,10 @@ void mips_cpu_do_interrupt(CPUState *cs)
env->CP0_DEPC = exception_resume_pc(env);
env->hflags &= ~MIPS_HFLAG_BMASK;
enter_debug_mode:
- env->hflags |= MIPS_HFLAG_DM | MIPS_HFLAG_64 | MIPS_HFLAG_CP0;
+ if (env->insn_flags & ISA_MIPS3) {
+ env->hflags |= MIPS_HFLAG_64;
+ }
+ env->hflags |= MIPS_HFLAG_DM | MIPS_HFLAG_CP0;
env->hflags &= ~(MIPS_HFLAG_KSU);
/* EJTAG probe trap enable is not implemented... */
if (!(env->CP0_Status & (1 << CP0St_EXL)))
@@ -548,7 +551,10 @@ void mips_cpu_do_interrupt(CPUState *cs)
env->CP0_ErrorEPC = exception_resume_pc(env);
env->hflags &= ~MIPS_HFLAG_BMASK;
env->CP0_Status |= (1 << CP0St_ERL) | (1 << CP0St_BEV);
- env->hflags |= MIPS_HFLAG_64 | MIPS_HFLAG_CP0;
+ if (env->insn_flags & ISA_MIPS3) {
+ env->hflags |= MIPS_HFLAG_64;
+ }
+ env->hflags |= MIPS_HFLAG_CP0;
env->hflags &= ~(MIPS_HFLAG_KSU);
if (!(env->CP0_Status & (1 << CP0St_EXL)))
env->CP0_Cause &= ~(1U << CP0Ca_BD);
@@ -726,7 +732,10 @@ void mips_cpu_do_interrupt(CPUState *cs)
env->CP0_Cause &= ~(1U << CP0Ca_BD);
}
env->CP0_Status |= (1 << CP0St_EXL);
- env->hflags |= MIPS_HFLAG_64 | MIPS_HFLAG_CP0;
+ if (env->insn_flags & ISA_MIPS3) {
+ env->hflags |= MIPS_HFLAG_64;
+ }
+ env->hflags |= MIPS_HFLAG_CP0;
env->hflags &= ~(MIPS_HFLAG_KSU);
}
env->hflags &= ~MIPS_HFLAG_BMASK;