From b827c3ed30e4777ab9bd91cb240252a4815b3322 Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Fri, 12 Jan 2018 09:14:35 +0100 Subject: [PATCH] linux-user: Add getcpu() support Signed-off-by: Samuel Thibault Reviewed-by: Laurent Vivier Message-Id: <20180112081435.21299-1-samuel.thibault@ens-lyon.org> Signed-off-by: Laurent Vivier --- linux-user/syscall.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) 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; -- 2.11.0