| Message ID | 20240514110752.989572-1-gaosong@loongson.cn |
|---|---|
| State | New |
| Headers | show |
| Series | target/loongarch/kvm: fpu save the vreg registers high 192bit | expand |
Reviewed-by: Bibo Mao <maobibo@loongson.cn> On 2024/5/14 下午7:07, Song Gao wrote: > On kvm side, get_fpu/set_fpu save the vreg registers high 192bits, > but QEMU missing. > > Signed-off-by: Song Gao <gaosong@loongson.cn> > --- > target/loongarch/kvm/kvm.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c > index a9f9020071..0b5dbb7ed8 100644 > --- a/target/loongarch/kvm/kvm.c > +++ b/target/loongarch/kvm/kvm.c > @@ -436,6 +436,9 @@ static int kvm_loongarch_get_regs_fp(CPUState *cs) > env->fcsr0 = fpu.fcsr; > for (i = 0; i < 32; i++) { > env->fpr[i].vreg.UD[0] = fpu.fpr[i].val64[0]; > + env->fpr[i].vreg.UD[1] = fpu.fpr[i].val64[1]; > + env->fpr[i].vreg.UD[2] = fpu.fpr[i].val64[2]; > + env->fpr[i].vreg.UD[3] = fpu.fpr[i].val64[3]; > } > for (i = 0; i < 8; i++) { > env->cf[i] = fpu.fcc & 0xFF; > @@ -455,6 +458,9 @@ static int kvm_loongarch_put_regs_fp(CPUState *cs) > fpu.fcc = 0; > for (i = 0; i < 32; i++) { > fpu.fpr[i].val64[0] = env->fpr[i].vreg.UD[0]; > + fpu.fpr[i].val64[1] = env->fpr[i].vreg.UD[1]; > + fpu.fpr[i].val64[2] = env->fpr[i].vreg.UD[2]; > + fpu.fpr[i].val64[3] = env->fpr[i].vreg.UD[3]; > } > > for (i = 0; i < 8; i++) { >
diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c index a9f9020071..0b5dbb7ed8 100644 --- a/target/loongarch/kvm/kvm.c +++ b/target/loongarch/kvm/kvm.c @@ -436,6 +436,9 @@ static int kvm_loongarch_get_regs_fp(CPUState *cs) env->fcsr0 = fpu.fcsr; for (i = 0; i < 32; i++) { env->fpr[i].vreg.UD[0] = fpu.fpr[i].val64[0]; + env->fpr[i].vreg.UD[1] = fpu.fpr[i].val64[1]; + env->fpr[i].vreg.UD[2] = fpu.fpr[i].val64[2]; + env->fpr[i].vreg.UD[3] = fpu.fpr[i].val64[3]; } for (i = 0; i < 8; i++) { env->cf[i] = fpu.fcc & 0xFF; @@ -455,6 +458,9 @@ static int kvm_loongarch_put_regs_fp(CPUState *cs) fpu.fcc = 0; for (i = 0; i < 32; i++) { fpu.fpr[i].val64[0] = env->fpr[i].vreg.UD[0]; + fpu.fpr[i].val64[1] = env->fpr[i].vreg.UD[1]; + fpu.fpr[i].val64[2] = env->fpr[i].vreg.UD[2]; + fpu.fpr[i].val64[3] = env->fpr[i].vreg.UD[3]; } for (i = 0; i < 8; i++) {
On kvm side, get_fpu/set_fpu save the vreg registers high 192bits, but QEMU missing. Signed-off-by: Song Gao <gaosong@loongson.cn> --- target/loongarch/kvm/kvm.c | 6 ++++++ 1 file changed, 6 insertions(+)