diff mbox series

[PULL,5/5] target/loongarch/kvm: fpu save the vreg registers high 192bit

Message ID 20240516091120.1021435-6-gaosong@loongson.cn (mailing list archive)
State New
Headers show
Series [PULL,1/5] hw/loongarch: Add compat machine for 9.1 | expand

Commit Message

gaosong May 16, 2024, 9:11 a.m. UTC 
On kvm side, get_fpu/set_fpu save the vreg registers high 192bits,
but QEMU missing.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Message-Id: <20240514110752.989572-1-gaosong@loongson.cn>
---
 target/loongarch/kvm/kvm.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

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++) {