diff options
author | Warner Losh <imp@bsdimp.com> | 2022-06-14 14:56:30 -0600 |
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committer | Warner Losh <imp@bsdimp.com> | 2022-07-02 07:52:48 -0600 |
commit | 79cfae0c1bbe6bbf49f4e7c9130bf04a6e55495e (patch) | |
tree | 8701805fb9e1302aad31068210055ff6a65d965d /bsd-user | |
parent | 0db0db8f23c578fff16ee438867bff87d2540f52 (diff) | |
download | qemu-79cfae0c1bbe6bbf49f4e7c9130bf04a6e55495e.zip qemu-79cfae0c1bbe6bbf49f4e7c9130bf04a6e55495e.tar.gz qemu-79cfae0c1bbe6bbf49f4e7c9130bf04a6e55495e.tar.bz2 |
bsd-user: Implement freebsd11_mknod, freebsd11_mknodat and mknodat
These implement both the old-pre INO64 mknod variations, as well as the
now current INO64 variant. Make direct syscall calls for these older
syscalls to avloid too many dependencies.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Michal Meloun <mmel@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'bsd-user')
-rw-r--r-- | bsd-user/bsd-file.h | 47 | ||||
-rw-r--r-- | bsd-user/freebsd/os-syscall.c | 13 |
2 files changed, 60 insertions, 0 deletions
diff --git a/bsd-user/bsd-file.h b/bsd-user/bsd-file.h index 1af7986..b05d3cbb 100644 --- a/bsd-user/bsd-file.h +++ b/bsd-user/bsd-file.h @@ -721,4 +721,51 @@ static abi_long do_bsd_fchmodat(abi_long arg1, abi_long arg2, return ret; } +/* pre-ino64 mknod(2) */ +static abi_long do_bsd_freebsd11_mknod(abi_long arg1, abi_long arg2, abi_long arg3) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + ret = get_errno(syscall(SYS_freebsd11_mknod, p, arg2, arg3)); + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* pre-ino64 mknodat(2) */ +static abi_long do_bsd_freebsd11_mknodat(abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg2); + ret = get_errno(syscall(SYS_freebsd11_mknodat, arg1, p, arg3, arg4)); + UNLOCK_PATH(p, arg2); + + return ret; +} + +/* post-ino64 mknodat(2) */ +static abi_long do_bsd_mknodat(void *cpu_env, abi_long arg1, + abi_long arg2, abi_long arg3, abi_long arg4, abi_long arg5, + abi_long arg6) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg2); + /* 32-bit arch's use two 32 registers for 64 bit return value */ + if (regpairs_aligned(cpu_env) != 0) { + ret = get_errno(mknodat(arg1, p, arg3, target_arg64(arg5, arg6))); + } else { + ret = get_errno(mknodat(arg1, p, arg3, target_arg64(arg4, arg5))); + } + UNLOCK_PATH(p, arg2); + + return ret; +} + #endif /* BSD_FILE_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index b33d548..d3125f3 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -32,6 +32,7 @@ #include "qemu/cutils.h" #include "qemu/path.h" #include <sys/syscall.h> +#include <sys/cdefs.h> #include <sys/param.h> #include <sys/mount.h> #include <sys/sysctl.h> @@ -418,6 +419,18 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1, ret = do_bsd_fchmodat(arg1, arg2, arg3, arg4); break; + case TARGET_FREEBSD_NR_freebsd11_mknod: /* mknod(2) */ + ret = do_bsd_freebsd11_mknod(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_freebsd11_mknodat: /* mknodat(2) */ + ret = do_bsd_freebsd11_mknodat(arg1, arg2, arg3, arg4); + break; + + case TARGET_FREEBSD_NR_mknodat: /* mknodat(2) */ + ret = do_bsd_mknodat(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); + break; + default: qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); ret = -TARGET_ENOSYS; |