| Message ID | 20190603090635.10631-22-david@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | s390x/tcg: Vector Instruction Support Part 4 | expand |
Le 03/06/2019 à 11:06, David Hildenbrand a écrit : > Once we unlock S390_FEAT_VECTOR for TCG, we want linux-user to be > able to make use of it. > > Reviewed-by: Richard Henderson <richard.henderson@linaro.org> > Signed-off-by: David Hildenbrand <david@redhat.com> > --- > target/s390x/cpu.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c > index b1df63d82c..6af1a1530f 100644 > --- a/target/s390x/cpu.c > +++ b/target/s390x/cpu.c > @@ -145,6 +145,9 @@ static void s390_cpu_full_reset(CPUState *s) > #if defined(CONFIG_USER_ONLY) > /* user mode should always be allowed to use the full FPU */ > env->cregs[0] |= CR0_AFP; > + if (s390_has_feat(S390_FEAT_VECTOR)) { > + env->cregs[0] |= CR0_VECTOR; > + } > #endif > > /* architectured initial value for Breaking-Event-Address register */ > Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Le 03/06/2019 à 11:06, David Hildenbrand a écrit : > Once we unlock S390_FEAT_VECTOR for TCG, we want linux-user to be > able to make use of it. > > Reviewed-by: Richard Henderson <richard.henderson@linaro.org> > Signed-off-by: David Hildenbrand <david@redhat.com> > --- > target/s390x/cpu.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c > index b1df63d82c..6af1a1530f 100644 > --- a/target/s390x/cpu.c > +++ b/target/s390x/cpu.c > @@ -145,6 +145,9 @@ static void s390_cpu_full_reset(CPUState *s) > #if defined(CONFIG_USER_ONLY) > /* user mode should always be allowed to use the full FPU */ > env->cregs[0] |= CR0_AFP; > + if (s390_has_feat(S390_FEAT_VECTOR)) { > + env->cregs[0] |= CR0_VECTOR; > + } > #endif > > /* architectured initial value for Breaking-Event-Address register */ > Do we need to add some hwcaps in linux-user/elfload.c (HWCAP_S390_VXRS, HWCAP_S390_VXRS_EXT,...)? Thanks, Laurent
On 04.06.19 10:50, Laurent Vivier wrote: > Le 03/06/2019 à 11:06, David Hildenbrand a écrit : >> Once we unlock S390_FEAT_VECTOR for TCG, we want linux-user to be >> able to make use of it. >> >> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> >> Signed-off-by: David Hildenbrand <david@redhat.com> >> --- >> target/s390x/cpu.c | 3 +++ >> 1 file changed, 3 insertions(+) >> >> diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c >> index b1df63d82c..6af1a1530f 100644 >> --- a/target/s390x/cpu.c >> +++ b/target/s390x/cpu.c >> @@ -145,6 +145,9 @@ static void s390_cpu_full_reset(CPUState *s) >> #if defined(CONFIG_USER_ONLY) >> /* user mode should always be allowed to use the full FPU */ >> env->cregs[0] |= CR0_AFP; >> + if (s390_has_feat(S390_FEAT_VECTOR)) { >> + env->cregs[0] |= CR0_VECTOR; >> + } >> #endif >> >> /* architectured initial value for Breaking-Event-Address register */ >> > > Do we need to add some hwcaps in linux-user/elfload.c (HWCAP_S390_VXRS, > HWCAP_S390_VXRS_EXT,...)? Good point, I will look into this. Thanks! > > Thanks, > Laurent >
diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c index b1df63d82c..6af1a1530f 100644 --- a/target/s390x/cpu.c +++ b/target/s390x/cpu.c @@ -145,6 +145,9 @@ static void s390_cpu_full_reset(CPUState *s) #if defined(CONFIG_USER_ONLY) /* user mode should always be allowed to use the full FPU */ env->cregs[0] |= CR0_AFP; + if (s390_has_feat(S390_FEAT_VECTOR)) { + env->cregs[0] |= CR0_VECTOR; + } #endif /* architectured initial value for Breaking-Event-Address register */