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-rw-r--r--arch/riscv/include/asm/vector.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/vector.h b/arch/riscv/include/asm/vector.h
new file mode 100644
index 000000000000..bdbb05b70151
--- /dev/null
+++ b/arch/riscv/include/asm/vector.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2020 SiFive
+ */
+
+#ifndef __ASM_RISCV_VECTOR_H
+#define __ASM_RISCV_VECTOR_H
+
+#include <linux/types.h>
+
+#ifdef CONFIG_RISCV_ISA_V
+
+#include <asm/hwcap.h>
+
+static __always_inline bool has_vector(void)
+{
+ return riscv_has_extension_unlikely(RISCV_ISA_EXT_v);
+}
+
+#else /* ! CONFIG_RISCV_ISA_V */
+
+static __always_inline bool has_vector(void) { return false; }
+
+#endif /* CONFIG_RISCV_ISA_V */
+
+#endif /* ! __ASM_RISCV_VECTOR_H */