From: Song Gao <gaos...@loongson.cn> On kvm side, get_fpu/set_fpu save the vreg registers high 192bits, but QEMU missing.
Cc: qemu-sta...@nongnu.org Signed-off-by: Song Gao <gaos...@loongson.cn> Reviewed-by: Bibo Mao <maob...@loongson.cn> Message-Id: <20240514110752.989572-1-gaos...@loongson.cn> (cherry picked from commit 07c0866103d4aa2dd83c7c3e7898843e28e3893a) Signed-off-by: Michael Tokarev <m...@tls.msk.ru> diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c index d630cc39cb..e2dff2b795 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++) { -- 2.39.2