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| author | Andreas Schwab <schwab@suse.de> | 2019-05-13 11:02:53 +0200 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2020-02-19 11:17:40 +0100 |
| commit | 8500476f3cc4d9e1f710290be9fcf86429dd8dda (patch) | |
| tree | 280071a5490cc4c098fcb0e6d8c743b945f540b3 | |
| parent | 6c599282f8ab382fe59f03a6cae755b89561a7b3 (diff) | |
| download | focaccia-qemu-8500476f3cc4d9e1f710290be9fcf86429dd8dda.tar.gz focaccia-qemu-8500476f3cc4d9e1f710290be9fcf86429dd8dda.zip | |
linux-user: Implement membarrier syscall
Signed-off-by: Andreas Schwab <schwab@suse.de> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <mvmpnomohfm.fsf@suse.de> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
| -rw-r--r-- | linux-user/syscall.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index c930577686..7aaa9d9639 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -334,6 +334,9 @@ _syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type, _syscall5(int, sys_statx, int, dirfd, const char *, pathname, int, flags, unsigned int, mask, struct target_statx *, statxbuf) #endif +#if defined(TARGET_NR_membarrier) && defined(__NR_membarrier) +_syscall2(int, membarrier, int, cmd, int, flags) +#endif static bitmask_transtbl fcntl_flags_tbl[] = { { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, @@ -12090,6 +12093,10 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg1, 0); return ret; #endif +#if defined TARGET_NR_membarrier && defined __NR_membarrier + case TARGET_NR_membarrier: + return get_errno(membarrier(arg1, arg2)); +#endif default: qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); |