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target/loongarch/kvm: fpu save the vreg registers high 192bit

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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 <gaosong@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Message-Id: <20240514110752.989572-1-gaosong@loongson.cn>
(cherry picked from commit 07c0866103)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Song Gao 2024-05-14 19:07:52 +08:00 • committed by Michael Tokarev
parent 41558f42b3
commit d27df7187b
1 changed files with 6 additions and 0 deletions
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6
target/loongarch/kvm/kvm.c
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@ -436,6 +436,9 @@ static int kvm_loongarch_get_regs_fp(CPUState *cs)
env->fcsr0 = fpu.fcsr; env->fcsr0 = fpu.fcsr;
for (i = 0; i < 32; i++) { for (i = 0; i < 32; i++) {
env->fpr[i].vreg.UD[0] = fpu.fpr[i].val64[0]; 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++) { for (i = 0; i < 8; i++) {
env->cf[i] = fpu.fcc & 0xFF; env->cf[i] = fpu.fcc & 0xFF;
@ -455,6 +458,9 @@ static int kvm_loongarch_put_regs_fp(CPUState *cs)
fpu.fcc = 0; fpu.fcc = 0;
for (i = 0; i < 32; i++) { for (i = 0; i < 32; i++) {
fpu.fpr[i].val64[0] = env->fpr[i].vreg.UD[0]; 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++) { for (i = 0; i < 8; i++) {