aboutsummaryrefslogtreecommitdiff
path: root/target
diff options
context:
space:
mode:
Diffstat (limited to 'target')
-rw-r--r--target/microblaze/op_helper.c37
1 files changed, 20 insertions, 17 deletions
diff --git a/target/microblaze/op_helper.c b/target/microblaze/op_helper.c
index d99d98051a..2c59d4492d 100644
--- a/target/microblaze/op_helper.c
+++ b/target/microblaze/op_helper.c
@@ -104,13 +104,16 @@ uint32_t helper_divu(CPUMBState *env, uint32_t a, uint32_t b)
}
/* raise FPU exception. */
-static void raise_fpu_exception(CPUMBState *env)
+static void raise_fpu_exception(CPUMBState *env, uintptr_t ra)
{
+ CPUState *cs = env_cpu(env);
+
env->esr = ESR_EC_FPU;
- helper_raise_exception(env, EXCP_HW_EXCP);
+ cs->exception_index = EXCP_HW_EXCP;
+ cpu_loop_exit_restore(cs, ra);
}
-static void update_fpu_flags(CPUMBState *env, int flags)
+static void update_fpu_flags(CPUMBState *env, int flags, uintptr_t ra)
{
int raise = 0;
@@ -133,7 +136,7 @@ static void update_fpu_flags(CPUMBState *env, int flags)
if (raise
&& (env->pvr.regs[2] & PVR2_FPU_EXC_MASK)
&& (env->msr & MSR_EE)) {
- raise_fpu_exception(env);
+ raise_fpu_exception(env, ra);
}
}
@@ -148,7 +151,7 @@ uint32_t helper_fadd(CPUMBState *env, uint32_t a, uint32_t b)
fd.f = float32_add(fa.f, fb.f, &env->fp_status);
flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags);
+ update_fpu_flags(env, flags, GETPC());
return fd.l;
}
@@ -162,7 +165,7 @@ uint32_t helper_frsub(CPUMBState *env, uint32_t a, uint32_t b)
fb.l = b;
fd.f = float32_sub(fb.f, fa.f, &env->fp_status);
flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags);
+ update_fpu_flags(env, flags, GETPC());
return fd.l;
}
@@ -176,7 +179,7 @@ uint32_t helper_fmul(CPUMBState *env, uint32_t a, uint32_t b)
fb.l = b;
fd.f = float32_mul(fa.f, fb.f, &env->fp_status);
flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags);
+ update_fpu_flags(env, flags, GETPC());
return fd.l;
}
@@ -191,7 +194,7 @@ uint32_t helper_fdiv(CPUMBState *env, uint32_t a, uint32_t b)
fb.l = b;
fd.f = float32_div(fb.f, fa.f, &env->fp_status);
flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags);
+ update_fpu_flags(env, flags, GETPC());
return fd.l;
}
@@ -206,7 +209,7 @@ uint32_t helper_fcmp_un(CPUMBState *env, uint32_t a, uint32_t b)
if (float32_is_signaling_nan(fa.f, &env->fp_status) ||
float32_is_signaling_nan(fb.f, &env->fp_status)) {
- update_fpu_flags(env, float_flag_invalid);
+ update_fpu_flags(env, float_flag_invalid, GETPC());
r = 1;
}
@@ -229,7 +232,7 @@ uint32_t helper_fcmp_lt(CPUMBState *env, uint32_t a, uint32_t b)
fb.l = b;
r = float32_lt(fb.f, fa.f, &env->fp_status);
flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags & float_flag_invalid);
+ update_fpu_flags(env, flags & float_flag_invalid, GETPC());
return r;
}
@@ -245,7 +248,7 @@ uint32_t helper_fcmp_eq(CPUMBState *env, uint32_t a, uint32_t b)
fb.l = b;
r = float32_eq_quiet(fa.f, fb.f, &env->fp_status);
flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags & float_flag_invalid);
+ update_fpu_flags(env, flags & float_flag_invalid, GETPC());
return r;
}
@@ -261,7 +264,7 @@ uint32_t helper_fcmp_le(CPUMBState *env, uint32_t a, uint32_t b)
set_float_exception_flags(0, &env->fp_status);
r = float32_le(fa.f, fb.f, &env->fp_status);
flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags & float_flag_invalid);
+ update_fpu_flags(env, flags & float_flag_invalid, GETPC());
return r;
@@ -277,7 +280,7 @@ uint32_t helper_fcmp_gt(CPUMBState *env, uint32_t a, uint32_t b)
set_float_exception_flags(0, &env->fp_status);
r = float32_lt(fa.f, fb.f, &env->fp_status);
flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags & float_flag_invalid);
+ update_fpu_flags(env, flags & float_flag_invalid, GETPC());
return r;
}
@@ -291,7 +294,7 @@ uint32_t helper_fcmp_ne(CPUMBState *env, uint32_t a, uint32_t b)
set_float_exception_flags(0, &env->fp_status);
r = !float32_eq_quiet(fa.f, fb.f, &env->fp_status);
flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags & float_flag_invalid);
+ update_fpu_flags(env, flags & float_flag_invalid, GETPC());
return r;
}
@@ -306,7 +309,7 @@ uint32_t helper_fcmp_ge(CPUMBState *env, uint32_t a, uint32_t b)
set_float_exception_flags(0, &env->fp_status);
r = !float32_lt(fa.f, fb.f, &env->fp_status);
flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags & float_flag_invalid);
+ update_fpu_flags(env, flags & float_flag_invalid, GETPC());
return r;
}
@@ -330,7 +333,7 @@ uint32_t helper_fint(CPUMBState *env, uint32_t a)
fa.l = a;
r = float32_to_int32(fa.f, &env->fp_status);
flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags);
+ update_fpu_flags(env, flags, GETPC());
return r;
}
@@ -344,7 +347,7 @@ uint32_t helper_fsqrt(CPUMBState *env, uint32_t a)
fa.l = a;
fd.l = float32_sqrt(fa.f, &env->fp_status);
flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags);
+ update_fpu_flags(env, flags, GETPC());
return fd.l;
}