diff --git a/target-arm/helper.c b/target-arm/helper.c index 021d121df9c117215cff6e287bd78b4b8bdce8f8..5e10533f1c82c909638f1cca4ecb74a4697390f9 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -234,7 +234,7 @@ static int vfp_gdb_set_reg(CPUState *env, uint8_t *buf, int reg) switch (reg - nregs) { case 0: env->vfp.xregs[ARM_VFP_FPSID] = ldl_p(buf); return 4; case 1: env->vfp.xregs[ARM_VFP_FPSCR] = ldl_p(buf); return 4; - case 2: env->vfp.xregs[ARM_VFP_FPEXC] = ldl_p(buf); return 4; + case 2: env->vfp.xregs[ARM_VFP_FPEXC] = ldl_p(buf) & (1 << 30); return 4; } return 0; } diff --git a/target-arm/translate.c b/target-arm/translate.c index f0ebf4fad60c7b2b9a1d3059511b931a38e15cf5..70cf1b268afc96e69fdcdd5221f1c8beba98ff75 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -2788,6 +2788,9 @@ static int disas_vfp_insn(CPUState * env, DisasContext *s, uint32_t insn) case ARM_VFP_FPEXC: if (IS_USER(s)) return 1; + /* TODO: VFP subarchitecture support. + * For now, keep the EN bit only */ + tcg_gen_andi_i32(tmp, tmp, 1 << 30); store_cpu_field(tmp, vfp.xregs[rn]); gen_lookup_tb(s); break;