diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-01-12 09:14:35 +0100 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2018-01-23 14:20:52 +0100 |
| commit | b827c3ed30e4777ab9bd91cb240252a4815b3322 (patch) | |
| tree | 8957d3cb661e59cca17601d9996af07cda398cba /linux-user/syscall.c | |
| parent | 444cd5c3aeb2acffce302e354ad22d1bb37bbfae (diff) | |
| download | focaccia-qemu-b827c3ed30e4777ab9bd91cb240252a4815b3322.tar.gz focaccia-qemu-b827c3ed30e4777ab9bd91cb240252a4815b3322.zip | |
linux-user: Add getcpu() support
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20180112081435.21299-1-samuel.thibault@ens-lyon.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 143e4a959d..104408c050 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -296,6 +296,8 @@ _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len, #define __NR_sys_sched_setaffinity __NR_sched_setaffinity _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len, unsigned long *, user_mask_ptr); +#define __NR_sys_getcpu __NR_getcpu +_syscall3(int, sys_getcpu, unsigned *, cpu, unsigned *, node, void *, tcache); _syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd, void *, arg); _syscall2(int, capget, struct __user_cap_header_struct *, header, @@ -10491,6 +10493,23 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); } break; + case TARGET_NR_getcpu: + { + unsigned cpu, node; + ret = get_errno(sys_getcpu(arg1 ? &cpu : NULL, + arg2 ? &node : NULL, + NULL)); + if (is_error(ret)) { + goto fail; + } + if (arg1 && put_user_u32(cpu, arg1)) { + goto efault; + } + if (arg2 && put_user_u32(node, arg2)) { + goto efault; + } + } + break; case TARGET_NR_sched_setparam: { struct sched_param *target_schp; |