diff options
Diffstat (limited to 'target-arm/helper.c')
| -rw-r--r-- | target-arm/helper.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index e2428eb7b2..97af4d0bba 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -193,7 +193,7 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) set_feature(env, ARM_FEATURE_THUMB2); set_feature(env, ARM_FEATURE_V7); set_feature(env, ARM_FEATURE_M); - set_feature(env, ARM_FEATURE_DIV); + set_feature(env, ARM_FEATURE_THUMB_DIV); break; case ARM_CPUID_ANY: /* For userspace emulation. */ set_feature(env, ARM_FEATURE_V4T); @@ -204,10 +204,11 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) set_feature(env, ARM_FEATURE_THUMB2); set_feature(env, ARM_FEATURE_VFP); set_feature(env, ARM_FEATURE_VFP3); + set_feature(env, ARM_FEATURE_VFP4); set_feature(env, ARM_FEATURE_VFP_FP16); set_feature(env, ARM_FEATURE_NEON); set_feature(env, ARM_FEATURE_THUMB2EE); - set_feature(env, ARM_FEATURE_DIV); + set_feature(env, ARM_FEATURE_ARM_DIV); set_feature(env, ARM_FEATURE_V7MP); break; case ARM_CPUID_TI915T: @@ -261,6 +262,9 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) if (arm_feature(env, ARM_FEATURE_V7)) { set_feature(env, ARM_FEATURE_VAPA); } + if (arm_feature(env, ARM_FEATURE_ARM_DIV)) { + set_feature(env, ARM_FEATURE_THUMB_DIV); + } } void cpu_reset(CPUARMState *env) @@ -471,7 +475,7 @@ static uint32_t cpu_arm_find_by_name(const char *name) void cpu_arm_close(CPUARMState *env) { - free(env); + g_free(env); } uint32_t cpsr_read(CPUARMState *env) @@ -3039,8 +3043,7 @@ float32 HELPER(rsqrte_f32)(float32 a, CPUState *env) val64 = float64_val(f64); - val = ((val64 >> 63) & 0x80000000) - | ((result_exp & 0xff) << 23) + val = ((result_exp & 0xff) << 23) | ((val64 >> 29) & 0x7fffff); return make_float32(val); } @@ -3082,6 +3085,19 @@ uint32_t HELPER(rsqrte_u32)(uint32_t a, CPUState *env) return 0x80000000 | ((float64_val(f64) >> 21) & 0x7fffffff); } +/* VFPv4 fused multiply-accumulate */ +float32 VFP_HELPER(muladd, s)(float32 a, float32 b, float32 c, void *fpstp) +{ + float_status *fpst = fpstp; + return float32_muladd(a, b, c, 0, fpst); +} + +float64 VFP_HELPER(muladd, d)(float64 a, float64 b, float64 c, void *fpstp) +{ + float_status *fpst = fpstp; + return float64_muladd(a, b, c, 0, fpst); +} + void HELPER(set_teecr)(CPUState *env, uint32_t val) { val &= 1; |