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-rw-r--r--arch/arm64/kvm/hyp/fpsimd.S27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm64/kvm/hyp/fpsimd.S b/arch/arm64/kvm/hyp/fpsimd.S
new file mode 100644
index 000000000..61e6f3ba7
--- /dev/null
+++ b/arch/arm64/kvm/hyp/fpsimd.S
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2015 - ARM Ltd
+ * Author: Marc Zyngier <marc.zyngier@arm.com>
+ */
+
+#include <linux/linkage.h>
+
+#include <asm/fpsimdmacros.h>
+
+ .text
+
+SYM_FUNC_START(__fpsimd_save_state)
+ fpsimd_save x0, 1
+ ret
+SYM_FUNC_END(__fpsimd_save_state)
+
+SYM_FUNC_START(__fpsimd_restore_state)
+ fpsimd_restore x0, 1
+ ret
+SYM_FUNC_END(__fpsimd_restore_state)
+
+SYM_FUNC_START(__sve_restore_state)
+ mov x2, #1
+ sve_load 0, x1, x2, 3
+ ret
+SYM_FUNC_END(__sve_restore_state)