diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2019-04-29 17:36:03 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2019-04-29 17:36:03 +0100 |
| commit | 14fd0c31e26b88a2189b3f459b864d5e1faf302a (patch) | |
| tree | 33f6479bba527d7ee6b67b19c2d25b2c2a68858b /target/arm/cpu.c | |
| parent | 956fe143b4f254356496a0a1c479fa632376dfec (diff) | |
target/arm: Enable FPU for Cortex-M4 and Cortex-M33
Enable the FPU by default for the Cortex-M4 and Cortex-M33.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190416125744.27770-27-peter.maydell@linaro.org
Diffstat (limited to 'target/arm/cpu.c')
| -rw-r--r-- | target/arm/cpu.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/target/arm/cpu.c b/target/arm/cpu.c index 7deccda240..a181fa8dc1 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -1493,8 +1493,12 @@ static void cortex_m4_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_M); set_feature(&cpu->env, ARM_FEATURE_M_MAIN); set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP); + set_feature(&cpu->env, ARM_FEATURE_VFP4); cpu->midr = 0x410fc240; /* r0p0 */ cpu->pmsav7_dregion = 8; + cpu->isar.mvfr0 = 0x10110021; + cpu->isar.mvfr1 = 0x11000011; + cpu->isar.mvfr2 = 0x00000000; cpu->id_pfr0 = 0x00000030; cpu->id_pfr1 = 0x00000200; cpu->id_dfr0 = 0x00100000; @@ -1521,9 +1525,13 @@ static void cortex_m33_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_M_MAIN); set_feature(&cpu->env, ARM_FEATURE_M_SECURITY); set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP); + set_feature(&cpu->env, ARM_FEATURE_VFP4); cpu->midr = 0x410fd213; /* r0p3 */ cpu->pmsav7_dregion = 16; cpu->sau_sregion = 8; + cpu->isar.mvfr0 = 0x10110021; + cpu->isar.mvfr1 = 0x11000011; + cpu->isar.mvfr2 = 0x00000040; cpu->id_pfr0 = 0x00000030; cpu->id_pfr1 = 0x00000210; cpu->id_dfr0 = 0x00200000; |