12ece8009b
- target/loongarch: Fix qemu-system-loongarch64 assert - target/loongarch: Fix qemu-loongarch64 hang when executing 'll.d , , 0' - target/loongarch: Fix tlb huge page loading issue - target/loongarch/kvm: Add software breakpoint support - target/loongarch/kvm: sync kernel header files - hw/intc/loongarch_extioi: Add virt extension support - target/loongarch/kvm: Add pmu support - target/loongarch/kvm: Fix vm restore failed - target/loongarch/kvm: Add pv steal time support - target/loongarch/kvm: fpu save the vreg registers high Signed-off-by: Song Gao <gaosong@loongson.cn>
44 lines
1.5 KiB
Diff
44 lines
1.5 KiB
Diff
From 7a3573ce009afa271168829da86e2c70c63fa58a Mon Sep 17 00:00:00 2001
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From: Song Gao <gaosong@loongson.cn>
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Date: Tue, 14 May 2024 19:07:52 +0800
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Subject: [PATCH] target/loongarch/kvm: fpu save the vreg registers high
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192bit
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On kvm side, get_fpu/set_fpu save the vreg registers high 192bits,
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but QEMU missing.
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Signed-off-by: Song Gao <gaosong@loongson.cn>
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Reviewed-by: Bibo Mao <maobibo@loongson.cn>
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Message-Id: <20240514110752.989572-1-gaosong@loongson.cn>
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---
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target/loongarch/kvm/kvm.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c
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index e1d521a1de..5c88270132 100644
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--- a/target/loongarch/kvm/kvm.c
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+++ b/target/loongarch/kvm/kvm.c
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@@ -444,6 +444,9 @@ static int kvm_loongarch_get_regs_fp(CPUState *cs)
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env->fcsr0 = fpu.fcsr;
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for (i = 0; i < 32; i++) {
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env->fpr[i].vreg.UD[0] = fpu.fpr[i].val64[0];
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+ env->fpr[i].vreg.UD[1] = fpu.fpr[i].val64[1];
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+ env->fpr[i].vreg.UD[2] = fpu.fpr[i].val64[2];
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+ env->fpr[i].vreg.UD[3] = fpu.fpr[i].val64[3];
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}
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for (i = 0; i < 8; i++) {
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env->cf[i] = fpu.fcc & 0xFF;
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@@ -465,6 +468,9 @@ static int kvm_loongarch_put_regs_fp(CPUState *cs)
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fpu.fcc = 0;
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for (i = 0; i < 32; i++) {
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fpu.fpr[i].val64[0] = env->fpr[i].vreg.UD[0];
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+ fpu.fpr[i].val64[1] = env->fpr[i].vreg.UD[1];
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+ fpu.fpr[i].val64[2] = env->fpr[i].vreg.UD[2];
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+ fpu.fpr[i].val64[3] = env->fpr[i].vreg.UD[3];
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}
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for (i = 0; i < 8; i++) {
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--
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2.33.0
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