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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/riscv/include/uapi/asm/hwcap.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | arch/riscv/include/uapi/asm/hwcap.h | 25 |
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 */ |