motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-01 23:03:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

bsd-user: Implement open, openat and close

Browse source 
Add the open, openat and close system calls. We need to lock paths, so
implmenent that as well.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Jung-uk Kim <jkim@FreeBSD.org>
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Warner Losh 2022-06-11 21:32:19 -06:00
parent dcb40541eb
commit 77d3522b3f
3 changed files with 69 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

16
bsd-user/freebsd/os-syscall.c
View file

@ -44,6 +44,10 @@
#include "bsd-proc.h"
/* I/O */
safe_syscall3(int, open, const char *, path, int, flags, mode_t, mode);
safe_syscall4(int, openat, int, fd, const char *, path, int, flags, mode_t,
mode);
safe_syscall3(ssize_t, read, int, fd, void *, buf, size_t, nbytes);
safe_syscall4(ssize_t, pread, int, fd, void *, buf, size_t, nbytes, off_t,
offset);
@ -257,6 +261,18 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
ret = do_bsd_pwritev(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
break;
case TARGET_FREEBSD_NR_open: /* open(2) */
ret = do_bsd_open(arg1, arg2, arg3);
break;
case TARGET_FREEBSD_NR_openat: /* openat(2) */
ret = do_bsd_openat(arg1, arg2, arg3, arg4);
break;
case TARGET_FREEBSD_NR_close: /* close(2) */
ret = do_bsd_close(arg1);
break;
default:
qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
ret = -TARGET_ENOSYS;