Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/arch/riscv/include/uapi/asm/hwcap.h b/arch/riscv/include/uapi/asm/hwcap.h
new file mode 100644
index 000000000..46dc3f5ee
--- /dev/null
+++ b/arch/riscv/include/uapi/asm/hwcap.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
+/*
+ * Copied from arch/arm64/include/asm/hwcap.h
+ *
+ * Copyright (C) 2012 ARM Ltd.
+ * Copyright (C) 2017 SiFive
+ */
+#ifndef _UAPI_ASM_RISCV_HWCAP_H
+#define _UAPI_ASM_RISCV_HWCAP_H
+
+/*
+ * Linux saves the floating-point registers according to the ISA Linux is
+ * executing on, as opposed to the ISA the user program is compiled for.  This
+ * is necessary for a handful of esoteric use cases: for example, userspace
+ * threading libraries must be able to examine the actual machine state in
+ * order to fully reconstruct the state of a thread.
+ */
+#define COMPAT_HWCAP_ISA_I	(1 << ('I' - 'A'))
+#define COMPAT_HWCAP_ISA_M	(1 << ('M' - 'A'))
+#define COMPAT_HWCAP_ISA_A	(1 << ('A' - 'A'))
+#define COMPAT_HWCAP_ISA_F	(1 << ('F' - 'A'))
+#define COMPAT_HWCAP_ISA_D	(1 << ('D' - 'A'))
+#define COMPAT_HWCAP_ISA_C	(1 << ('C' - 'A'))
+
+#endif /* _UAPI_ASM_RISCV_HWCAP_H */