1 /* RISC-V hardware feature probing support on Linux
2 Copyright (C) 2024 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public License as
8 published by the Free Software Foundation; either version 2.1 of the
9 License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
20 #include <sys/syscall.h>
21 #include <sys/hwprobe.h>
23 #include <sysdep-vdso.h>
25 int __riscv_hwprobe (struct riscv_hwprobe
*pairs
, size_t pair_count
,
26 size_t cpu_count
, unsigned long int *cpus
,
31 r
= INTERNAL_VSYSCALL (riscv_hwprobe
, 5, pairs
, pair_count
,
32 cpu_count
, cpus
, flags
);
34 /* Negate negative errno values to match pthreads API. */
37 libc_hidden_def (__riscv_hwprobe
)