diff options
| -rw-r--r-- | bsd-user/bsd-file.h | 52 | ||||
| -rw-r--r-- | bsd-user/freebsd/os-syscall.c | 13 |
2 files changed, 65 insertions, 0 deletions
diff --git a/bsd-user/bsd-file.h b/bsd-user/bsd-file.h index b2dca58612..a0f0310263 100644 --- a/bsd-user/bsd-file.h +++ b/bsd-user/bsd-file.h @@ -549,4 +549,56 @@ static abi_long do_bsd_sync(void) return 0; } +/* mount(2) */ +static abi_long do_bsd_mount(abi_long arg1, abi_long arg2, abi_long arg3, + abi_long arg4) +{ + abi_long ret; + void *p1, *p2; + + LOCK_PATH2(p1, arg1, p2, arg2); + /* + * XXX arg4 should be locked, but it isn't clear how to do that since it may + * be not be a NULL-terminated string. + */ + if (arg4 == 0) { + ret = get_errno(mount(p1, p2, arg3, NULL)); /* XXX path(p2)? */ + } else { + ret = get_errno(mount(p1, p2, arg3, g2h_untagged(arg4))); /* XXX path(p2)? */ + } + UNLOCK_PATH2(p1, arg1, p2, arg2); + + return ret; +} + +/* unmount(2) */ +static abi_long do_bsd_unmount(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(unmount(p, arg2)); /* XXX path(p)? */ + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* nmount(2) */ +static abi_long do_bsd_nmount(abi_long arg1, abi_long count, + abi_long flags) +{ + abi_long ret; + struct iovec *vec = lock_iovec(VERIFY_READ, arg1, count, 1); + + if (vec != NULL) { + ret = get_errno(nmount(vec, count, flags)); + unlock_iovec(vec, arg1, count, 0); + } else { + return -TARGET_EFAULT; + } + + return ret; +} + #endif /* BSD_FILE_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 2623caf800..bd4dfa6ddc 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -33,6 +33,7 @@ #include "qemu/path.h" #include <sys/syscall.h> #include <sys/param.h> +#include <sys/mount.h> #include <sys/sysctl.h> #include <utime.h> @@ -373,6 +374,18 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1, ret = do_bsd_sync(); break; + case TARGET_FREEBSD_NR_mount: /* mount(2) */ + ret = do_bsd_mount(arg1, arg2, arg3, arg4); + break; + + case TARGET_FREEBSD_NR_unmount: /* unmount(2) */ + ret = do_bsd_unmount(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_nmount: /* nmount(2) */ + ret = do_bsd_nmount(arg1, arg2, arg3); + break; + default: qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); ret = -TARGET_ENOSYS; |