diff --git a/sys/compat/irix/irix_syscall.h b/sys/compat/irix/irix_syscall.h
index 3d1fe4240810..21555854d906 100644
--- a/sys/compat/irix/irix_syscall.h
+++ b/sys/compat/irix/irix_syscall.h
@@ -1,10 +1,10 @@
-/* $NetBSD: irix_syscall.h,v 1.38 2002/04/22 05:58:47 manu Exp $ */
+/* $NetBSD: irix_syscall.h,v 1.39 2002/04/23 05:47:38 manu Exp $ */
 
 /*
  * System call numbers.
  *
  * DO NOT EDIT-- this file is automatically generated.
- * created from	NetBSD: syscalls.master,v 1.36 2002/04/20 16:56:29 manu Exp 
+ * created from	NetBSD: syscalls.master,v 1.37 2002/04/22 05:58:49 manu Exp 
  */
 
 /* syscall: "syscall" ret: "int" args: */
@@ -310,6 +310,15 @@
 /* syscall: "fsync" ret: "int" args: "int" */
 #define	IRIX_SYS_fsync	146
 
+/* syscall: "fchdir" ret: "int" args: "int" */
+#define	IRIX_SYS_fchdir	147
+
+/* syscall: "fchown" ret: "int" args: "int" "int" "int" */
+#define	IRIX_SYS_fchown	152
+
+/* syscall: "fchmod" ret: "int" args: "int" "int" */
+#define	IRIX_SYS_fchmod	153
+
 /* syscall: "systeminfo" ret: "long" args: "int" "char *" "long" */
 #define	IRIX_SYS_systeminfo	156
 
diff --git a/sys/compat/irix/irix_syscallargs.h b/sys/compat/irix/irix_syscallargs.h
index da50cd2270ec..a80bd481637e 100644
--- a/sys/compat/irix/irix_syscallargs.h
+++ b/sys/compat/irix/irix_syscallargs.h
@@ -1,10 +1,10 @@
-/* $NetBSD: irix_syscallargs.h,v 1.38 2002/04/22 05:58:48 manu Exp $ */
+/* $NetBSD: irix_syscallargs.h,v 1.39 2002/04/23 05:47:38 manu Exp $ */
 
 /*
  * System call argument lists.
  *
  * DO NOT EDIT-- this file is automatically generated.
- * created from	NetBSD: syscalls.master,v 1.36 2002/04/20 16:56:29 manu Exp 
+ * created from	NetBSD: syscalls.master,v 1.37 2002/04/22 05:58:49 manu Exp 
  */
 
 #ifndef _IRIX_SYS__SYSCALLARGS_H_
@@ -304,6 +304,9 @@ int	sys___msync13(struct proc *, void *, register_t *);
 int	sys_getpgrp(struct proc *, void *, register_t *);
 int	irix_sys_setpgrp(struct proc *, void *, register_t *);
 int	sys_fsync(struct proc *, void *, register_t *);
+int	sys_fchdir(struct proc *, void *, register_t *);
+int	sys___posix_fchown(struct proc *, void *, register_t *);
+int	sys_fchmod(struct proc *, void *, register_t *);
 int	irix_sys_systeminfo(struct proc *, void *, register_t *);
 int	irix_sys_xstat(struct proc *, void *, register_t *);
 int	irix_sys_lxstat(struct proc *, void *, register_t *);
diff --git a/sys/compat/irix/irix_syscalls.c b/sys/compat/irix/irix_syscalls.c
index aa975e6af1dc..91c2d035357a 100644
--- a/sys/compat/irix/irix_syscalls.c
+++ b/sys/compat/irix/irix_syscalls.c
@@ -1,14 +1,14 @@
-/* $NetBSD: irix_syscalls.c,v 1.38 2002/04/22 05:58:48 manu Exp $ */
+/* $NetBSD: irix_syscalls.c,v 1.39 2002/04/23 05:47:38 manu Exp $ */
 
 /*
  * System call names.
  *
  * DO NOT EDIT-- this file is automatically generated.
- * created from	NetBSD: syscalls.master,v 1.36 2002/04/20 16:56:29 manu Exp 
+ * created from	NetBSD: syscalls.master,v 1.37 2002/04/22 05:58:49 manu Exp 
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: irix_syscalls.c,v 1.38 2002/04/22 05:58:48 manu Exp $");
+__KERNEL_RCSID(0, "$NetBSD: irix_syscalls.c,v 1.39 2002/04/23 05:47:38 manu Exp $");
 
 #if defined(_KERNEL_OPT)
 #if defined(_KERNEL_OPT)
@@ -194,13 +194,13 @@ const char *const irix_syscallnames[] = {
 	"setpgrp",			/* 144 = setpgrp */
 	"#145 (unimplemented vhangup)",		/* 145 = unimplemented vhangup */
 	"fsync",			/* 146 = fsync */
-	"#147 (unimplemented fchdir)",		/* 147 = unimplemented fchdir */
+	"fchdir",			/* 147 = fchdir */
 	"#148 (unimplemented getrlimit)",		/* 148 = unimplemented getrlimit */
 	"#149 (unimplemented setrlimit)",		/* 149 = unimplemented setrlimit */
 	"#150 (unimplemented cacheflush)",		/* 150 = unimplemented cacheflush */
 	"#151 (unimplemented cachectl)",		/* 151 = unimplemented cachectl */
-	"#152 (unimplemented fchown)",		/* 152 = unimplemented fchown */
-	"#153 (unimplemented fchmod)",		/* 153 = unimplemented fchmod */
+	"fchown",			/* 152 = fchown */
+	"fchmod",			/* 153 = fchmod */
 	"#154 (unimplemented wait3)",		/* 154 = unimplemented wait3 */
 	"#155 (unimplemented socketpair)",		/* 155 = unimplemented socketpair */
 	"systeminfo",			/* 156 = systeminfo */
diff --git a/sys/compat/irix/irix_sysent.c b/sys/compat/irix/irix_sysent.c
index b866706d5504..0b44014636de 100644
--- a/sys/compat/irix/irix_sysent.c
+++ b/sys/compat/irix/irix_sysent.c
@@ -1,14 +1,14 @@
-/* $NetBSD: irix_sysent.c,v 1.38 2002/04/22 05:58:48 manu Exp $ */
+/* $NetBSD: irix_sysent.c,v 1.39 2002/04/23 05:47:38 manu Exp $ */
 
 /*
  * System call switch table.
  *
  * DO NOT EDIT-- this file is automatically generated.
- * created from	NetBSD: syscalls.master,v 1.36 2002/04/20 16:56:29 manu Exp 
+ * created from	NetBSD: syscalls.master,v 1.37 2002/04/22 05:58:49 manu Exp 
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: irix_sysent.c,v 1.38 2002/04/22 05:58:48 manu Exp $");
+__KERNEL_RCSID(0, "$NetBSD: irix_sysent.c,v 1.39 2002/04/23 05:47:38 manu Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_ntp.h"
@@ -344,8 +344,8 @@ struct sysent irix_sysent[] = {
 	    sys_nosys },			/* 145 = unimplemented vhangup */
 	{ 1, s(struct sys_fsync_args), 0,
 	    sys_fsync },			/* 146 = fsync */
-	{ 0, 0, 0,
-	    sys_nosys },			/* 147 = unimplemented fchdir */
+	{ 1, s(struct sys_fchdir_args), 0,
+	    sys_fchdir },			/* 147 = fchdir */
 	{ 0, 0, 0,
 	    sys_nosys },			/* 148 = unimplemented getrlimit */
 	{ 0, 0, 0,
@@ -354,10 +354,10 @@ struct sysent irix_sysent[] = {
 	    sys_nosys },			/* 150 = unimplemented cacheflush */
 	{ 0, 0, 0,
 	    sys_nosys },			/* 151 = unimplemented cachectl */
-	{ 0, 0, 0,
-	    sys_nosys },			/* 152 = unimplemented fchown */
-	{ 0, 0, 0,
-	    sys_nosys },			/* 153 = unimplemented fchmod */
+	{ 3, s(struct sys___posix_fchown_args), 0,
+	    sys___posix_fchown },		/* 152 = fchown */
+	{ 2, s(struct sys_fchmod_args), 0,
+	    sys_fchmod },			/* 153 = fchmod */
 	{ 0, 0, 0,
 	    sys_nosys },			/* 154 = unimplemented wait3 */
 	{ 0, 0, 0,
diff --git a/sys/compat/irix/syscalls.master b/sys/compat/irix/syscalls.master
index 7a4d498b39f7..8e8760b74884 100644
--- a/sys/compat/irix/syscalls.master
+++ b/sys/compat/irix/syscalls.master
@@ -1,4 +1,4 @@
-	$NetBSD: syscalls.master,v 1.37 2002/04/22 05:58:49 manu Exp $
+	$NetBSD: syscalls.master,v 1.38 2002/04/23 05:47:38 manu Exp $
 
 ;	@(#)syscalls.master	8.1 (Berkeley) 7/19/93
 
@@ -265,13 +265,14 @@
 144	STD		{ int irix_sys_setpgrp(int pid, int pgid); } 
 145	UNIMPL		vhangup
 146	NOARGS		{ int sys_fsync(int fd); }
-147	UNIMPL		fchdir
+147	NOARGS		{ int sys_fchdir(int fd); }
 148	UNIMPL		getrlimit
 149	UNIMPL		setrlimit
 150	UNIMPL		cacheflush
 151	UNIMPL		cachectl
-152	UNIMPL		fchown
-153	UNIMPL		fchmod
+152	NOARGS		{ int sys___posix_fchown(int fd, int uid, int gid); } \
+			    fchown
+153	NOARGS		{ int sys_fchmod(int fd, int mode); }
 154	UNIMPL		wait3
 155	UNIMPL		socketpair
 156	STD		{ long irix_sys_systeminfo(int what, char *buf, \