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| author | Evan Green <evan@rivosinc.com> | 2024-02-27 14:56:39 -0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2024-03-01 07:14:57 -0800 |
| commit | e7919e0db28837ae5e4315933a061a7c2eda442e (patch) | |
| tree | bb20cb963ffaebd3a4cb5e7960eb78e6e7127a26 /sysdeps/unix/sysv/linux/riscv | |
| parent | c6c33339b45281590f9db138ba6c9d79acb1da27 (diff) | |
| download | glibc-e7919e0db28837ae5e4315933a061a7c2eda442e.zip glibc-e7919e0db28837ae5e4315933a061a7c2eda442e.tar.gz glibc-e7919e0db28837ae5e4315933a061a7c2eda442e.tar.bz2 | |
riscv: Add hwprobe vdso call support
The new riscv_hwprobe syscall also comes with a vDSO for faster answers
to your most common questions. Call in today to speak with a kernel
representative near you!
Signed-off-by: Evan Green <evan@rivosinc.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'sysdeps/unix/sysv/linux/riscv')
| -rw-r--r-- | sysdeps/unix/sysv/linux/riscv/hwprobe.c | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/riscv/sysdep.h | 1 |
2 files changed, 3 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/riscv/hwprobe.c b/sysdeps/unix/sysv/linux/riscv/hwprobe.c index 28a4481..e64c159 100644 --- a/sysdeps/unix/sysv/linux/riscv/hwprobe.c +++ b/sysdeps/unix/sysv/linux/riscv/hwprobe.c @@ -28,8 +28,8 @@ int __riscv_hwprobe (struct riscv_hwprobe *pairs, size_t pair_count, { int r; - r = INTERNAL_SYSCALL_CALL (riscv_hwprobe, pairs, pair_count, - cpu_count, cpus, flags); + r = INTERNAL_VSYSCALL (riscv_hwprobe, 5, pairs, pair_count, + cpu_count, cpus, flags); /* Negate negative errno values to match pthreads API. */ return -r; diff --git a/sysdeps/unix/sysv/linux/riscv/sysdep.h b/sysdeps/unix/sysv/linux/riscv/sysdep.h index 5583b96..ee015df 100644 --- a/sysdeps/unix/sysv/linux/riscv/sysdep.h +++ b/sysdeps/unix/sysv/linux/riscv/sysdep.h @@ -156,6 +156,7 @@ /* List of system calls which are supported as vsyscalls (for RV32 and RV64). */ # define HAVE_GETCPU_VSYSCALL "__vdso_getcpu" +# define HAVE_RISCV_HWPROBE "__vdso_riscv_hwprobe" # undef HAVE_INTERNAL_BRK_ADDR_SYMBOL # define HAVE_INTERNAL_BRK_ADDR_SYMBOL 1 |