| Message ID | 20171218173022.18418-10-richard.henderson@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | target/arm: Prepatory work for SVE | expand |
On 18 December 2017 at 17:30, Richard Henderson <richard.henderson@linaro.org> wrote: > Enable it for the "any" CPU used by aarch64-linux-user. > > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> > --- > target/arm/cpu.h | 1 + > target/arm/cpu64.c | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/target/arm/cpu.h b/target/arm/cpu.h > index 37b8cef2e2..652e00d957 100644 > --- a/target/arm/cpu.h > +++ b/target/arm/cpu.h > @@ -1386,6 +1386,7 @@ enum arm_features { > ARM_FEATURE_V8_1_SIMD, /* has ARMv8.1-SIMD */ > ARM_FEATURE_V8_FP16, /* implements v8.2 half-precision float */ > ARM_FEATURE_V8_FCMA, /* has complex number part of v8.3 extensions. */ > + ARM_FEATURE_SVE, /* has SVE extension */ > }; > > static inline int arm_feature(CPUARMState *env, int feature) > diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c > index 43b42f95fd..366ab2eeee 100644 > --- a/target/arm/cpu64.c > +++ b/target/arm/cpu64.c > @@ -229,6 +229,7 @@ static void aarch64_any_initfn(Object *obj) > set_feature(&cpu->env, ARM_FEATURE_V8_1_SIMD); > set_feature(&cpu->env, ARM_FEATURE_V8_FP16); > set_feature(&cpu->env, ARM_FEATURE_V8_FCMA); > + set_feature(&cpu->env, ARM_FEATURE_SVE); > cpu->ctr = 0x80038003; /* 32 byte I and D cacheline size, VIPT icache */ > cpu->dcz_blocksize = 7; /* 512 bytes */ > } We shouldn't turn this on until it actually works, I think. thanks -- PMM
On 01/11/2018 10:42 AM, Peter Maydell wrote: > On 18 December 2017 at 17:30, Richard Henderson > <richard.henderson@linaro.org> wrote: >> Enable it for the "any" CPU used by aarch64-linux-user. >> >> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> >> --- >> target/arm/cpu.h | 1 + >> target/arm/cpu64.c | 1 + >> 2 files changed, 2 insertions(+) >> >> diff --git a/target/arm/cpu.h b/target/arm/cpu.h >> index 37b8cef2e2..652e00d957 100644 >> --- a/target/arm/cpu.h >> +++ b/target/arm/cpu.h >> @@ -1386,6 +1386,7 @@ enum arm_features { >> ARM_FEATURE_V8_1_SIMD, /* has ARMv8.1-SIMD */ >> ARM_FEATURE_V8_FP16, /* implements v8.2 half-precision float */ >> ARM_FEATURE_V8_FCMA, /* has complex number part of v8.3 extensions. */ >> + ARM_FEATURE_SVE, /* has SVE extension */ >> }; >> >> static inline int arm_feature(CPUARMState *env, int feature) >> diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c >> index 43b42f95fd..366ab2eeee 100644 >> --- a/target/arm/cpu64.c >> +++ b/target/arm/cpu64.c >> @@ -229,6 +229,7 @@ static void aarch64_any_initfn(Object *obj) >> set_feature(&cpu->env, ARM_FEATURE_V8_1_SIMD); >> set_feature(&cpu->env, ARM_FEATURE_V8_FP16); >> set_feature(&cpu->env, ARM_FEATURE_V8_FCMA); >> + set_feature(&cpu->env, ARM_FEATURE_SVE); >> cpu->ctr = 0x80038003; /* 32 byte I and D cacheline size, VIPT icache */ >> cpu->dcz_blocksize = 7; /* 512 bytes */ >> } > > We shouldn't turn this on until it actually works, I think. Yes, probably. One of those things where you need it on early for development but for final commit you need to sort the fragment to the end. r~
diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 37b8cef2e2..652e00d957 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -1386,6 +1386,7 @@ enum arm_features { ARM_FEATURE_V8_1_SIMD, /* has ARMv8.1-SIMD */ ARM_FEATURE_V8_FP16, /* implements v8.2 half-precision float */ ARM_FEATURE_V8_FCMA, /* has complex number part of v8.3 extensions. */ + ARM_FEATURE_SVE, /* has SVE extension */ }; static inline int arm_feature(CPUARMState *env, int feature) diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index 43b42f95fd..366ab2eeee 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -229,6 +229,7 @@ static void aarch64_any_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_V8_1_SIMD); set_feature(&cpu->env, ARM_FEATURE_V8_FP16); set_feature(&cpu->env, ARM_FEATURE_V8_FCMA); + set_feature(&cpu->env, ARM_FEATURE_SVE); cpu->ctr = 0x80038003; /* 32 byte I and D cacheline size, VIPT icache */ cpu->dcz_blocksize = 7; /* 512 bytes */ }
Enable it for the "any" CPU used by aarch64-linux-user. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- target/arm/cpu.h | 1 + target/arm/cpu64.c | 1 + 2 files changed, 2 insertions(+) -- 2.14.3