From 07c0866103d4aa2dd83c7c3e7898843e28e3893a Mon Sep 17 00:00:00 2001 From: Song Gao Date: Tue, 14 May 2024 19:07:52 +0800 Subject: [PATCH] target/loongarch/kvm: fpu save the vreg registers high 192bit On kvm side, get_fpu/set_fpu save the vreg registers high 192bits, but QEMU missing. Cc: qemu-stable@nongnu.org Signed-off-by: Song Gao Reviewed-by: Bibo Mao Message-Id: <20240514110752.989572-1-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 bc75552d0f..8e6e27c8bf 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++) {