diff --git a/sys/compat/linux/common/linux_exec.h b/sys/compat/linux/common/linux_exec.h
index 5f8ab7b54dda..7428b1a0c902 100644
--- a/sys/compat/linux/common/linux_exec.h
+++ b/sys/compat/linux/common/linux_exec.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: linux_exec.h,v 1.13 2000/11/21 00:37:54 jdolecek Exp $	*/
+/*	$NetBSD: linux_exec.h,v 1.14 2001/01/19 01:40:38 manu Exp $	*/
 
 /*-
  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
@@ -45,6 +45,8 @@
 #include <compat/linux/arch/m68k/linux_exec.h>
 #elif defined(__alpha__)
 #include <compat/linux/arch/alpha/linux_exec.h>
+#elif defined(__powerpc__)
+#include <compat/linux/arch/powerpc/linux_exec.h>
 #else
 #error Undefined linux_exec.h machine type.
 #endif
@@ -74,6 +76,17 @@
 
 #define LINUX_N_BSSADDR(x,m) (LINUX_N_DATADDR(x,m) + (x).a_data)
 
+/* 
+ * From Linux's include/linux/elf.h
+  */
+  #define LINUX_AT_UID    11 /* real uid */
+  #define LINUX_AT_EUID   12 /* effective uid */
+  #define LINUX_AT_GID    13 /* real gid */
+  #define LINUX_AT_EGID   14 /* effective gid */ 
+  #define LINUX_AT_PLATFORM 15  /* string identifying CPU for optimizations */
+  #define LINUX_AT_HWCAP  16    /* arch dependent hints at CPU capabilities */
+  #define LINUX_AT_CLKTCK 17 /* frequency at which times() increments */
+
 #ifdef _KERNEL
 __BEGIN_DECLS
 extern const struct emul emul_linux;
diff --git a/sys/compat/linux/common/linux_fcntl.h b/sys/compat/linux/common/linux_fcntl.h
index 9bc151a55b9a..cecb2e1ed7be 100644
--- a/sys/compat/linux/common/linux_fcntl.h
+++ b/sys/compat/linux/common/linux_fcntl.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: linux_fcntl.h,v 1.5 1998/12/15 19:31:39 itohy Exp $	*/
+/*	$NetBSD: linux_fcntl.h,v 1.6 2001/01/19 01:40:39 manu Exp $	*/
 
 /*-
  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
@@ -64,6 +64,8 @@ struct linux_flock {
 #include <compat/linux/arch/m68k/linux_fcntl.h>
 #elif defined(__alpha__)
 #include <compat/linux/arch/alpha/linux_fcntl.h>
+#elif defined(__powerpc__)
+#include <compat/linux/arch/powerpc/linux_fcntl.h>
 #else
 #error Undefined linux_fcntl.h machine type.
 #endif
diff --git a/sys/compat/linux/common/linux_ioctl.h b/sys/compat/linux/common/linux_ioctl.h
index 105e3bafa57c..4dfe4459f061 100644
--- a/sys/compat/linux/common/linux_ioctl.h
+++ b/sys/compat/linux/common/linux_ioctl.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: linux_ioctl.h,v 1.13 2001/01/10 02:28:38 fvdl Exp $	*/
+/*	$NetBSD: linux_ioctl.h,v 1.14 2001/01/19 01:40:39 manu Exp $	*/
 
 /*-
  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
@@ -65,6 +65,8 @@ __END_DECLS
 #include <compat/linux/arch/m68k/linux_ioctl.h>
 #elif defined(__alpha__)
 #include <compat/linux/arch/alpha/linux_ioctl.h>
+#elif defined(__powerpc__)
+#include <compat/linux/arch/powerpc/linux_ioctl.h>
 #else
 #error Undefined linux_ioctl.h machine type.
 #endif
diff --git a/sys/compat/linux/common/linux_machdep.h b/sys/compat/linux/common/linux_machdep.h
index 029d968b5b72..1c08f506588f 100644
--- a/sys/compat/linux/common/linux_machdep.h
+++ b/sys/compat/linux/common/linux_machdep.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: linux_machdep.h,v 1.2 1998/12/15 19:31:39 itohy Exp $	*/
+/*	$NetBSD: linux_machdep.h,v 1.3 2001/01/19 01:40:39 manu Exp $	*/
 
 /*-
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -45,6 +45,8 @@
 #include <compat/linux/arch/m68k/linux_machdep.h>
 #elif defined(__alpha__)
 #include <compat/linux/arch/alpha/linux_machdep.h>
+#elif defined(__powerpc__)
+#include <compat/linux/arch/powerpc/linux_machdep.h>
 #else
 #error Undefined linux_machdep.h machine type.
 #endif
diff --git a/sys/compat/linux/common/linux_siginfo.h b/sys/compat/linux/common/linux_siginfo.h
index 6506e6af4bcb..e2cf4267035c 100644
--- a/sys/compat/linux/common/linux_siginfo.h
+++ b/sys/compat/linux/common/linux_siginfo.h
@@ -1,4 +1,4 @@
-/* 	$NetBSD: linux_siginfo.h,v 1.2 1998/12/15 19:31:39 itohy Exp $	*/
+/* 	$NetBSD: linux_siginfo.h,v 1.3 2001/01/19 01:40:39 manu Exp $	*/
 
 /*-
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -46,6 +46,8 @@
 #include <compat/linux/arch/m68k/linux_siginfo.h>
 #elif defined(__alpha__)
 #include <compat/linux/arch/alpha/linux_siginfo.h>
+#elif defined(__powerpc__)
+#include <compat/linux/arch/powerpc/linux_siginfo.h>
 #else
 #error Undefined linux_siginfo.h machine type.
 #endif
diff --git a/sys/compat/linux/common/linux_signal.h b/sys/compat/linux/common/linux_signal.h
index 229991eb05f9..02309e7ad6a4 100644
--- a/sys/compat/linux/common/linux_signal.h
+++ b/sys/compat/linux/common/linux_signal.h
@@ -1,4 +1,4 @@
-/* 	$NetBSD: linux_signal.h,v 1.12 2001/01/18 20:28:26 jdolecek Exp $	*/
+/* 	$NetBSD: linux_signal.h,v 1.13 2001/01/19 01:40:39 manu Exp $	*/
 
 /*-
  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
@@ -45,6 +45,8 @@
 #include <compat/linux/arch/m68k/linux_signal.h>
 #elif defined(__alpha__)
 #include <compat/linux/arch/alpha/linux_signal.h>
+#elif defined(__powerpc__)
+#include <compat/linux/arch/powerpc/linux_signal.h>
 #else
 #error Undefined linux_signal.h machine type.
 #endif
diff --git a/sys/compat/linux/common/linux_socket.h b/sys/compat/linux/common/linux_socket.h
index 2b2cc7b7b2e7..f4a8b13b56ef 100644
--- a/sys/compat/linux/common/linux_socket.h
+++ b/sys/compat/linux/common/linux_socket.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: linux_socket.h,v 1.7 1998/12/15 19:31:40 itohy Exp $	*/
+/*	$NetBSD: linux_socket.h,v 1.8 2001/01/19 01:40:39 manu Exp $	*/
 
 /*-
  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
@@ -129,6 +129,8 @@
 #include <compat/linux/arch/m68k/linux_socket.h>
 #elif defined(__alpha__)
 #include <compat/linux/arch/alpha/linux_socket.h>
+#elif defined(__powerpc__)
+#include <compat/linux/arch/powerpc/linux_socket.h>
 #else
 #error Undefined linux_socket.h machine type.
 #endif
diff --git a/sys/compat/linux/common/linux_termios.h b/sys/compat/linux/common/linux_termios.h
index 10d952306c85..ea95c39d1a68 100644
--- a/sys/compat/linux/common/linux_termios.h
+++ b/sys/compat/linux/common/linux_termios.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: linux_termios.h,v 1.6 2000/12/10 14:12:17 fvdl Exp $	*/
+/*	$NetBSD: linux_termios.h,v 1.7 2001/01/19 01:40:39 manu Exp $	*/
 
 /*-
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -126,6 +126,8 @@ struct linux_termios {
 #include <compat/linux/arch/m68k/linux_termios.h>
 #elif defined(__alpha__)
 #include <compat/linux/arch/alpha/linux_termios.h>
+#elif defined(__powerpc__)
+#include <compat/linux/arch/powerpc/linux_termios.h>
 #else
 #error Undefined linux_termios.h machine type.
 #endif
diff --git a/sys/compat/linux/common/linux_types.h b/sys/compat/linux/common/linux_types.h
index 560e78d435b3..ea90ee75480a 100644
--- a/sys/compat/linux/common/linux_types.h
+++ b/sys/compat/linux/common/linux_types.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: linux_types.h,v 1.10 2000/12/29 21:07:17 fvdl Exp $	*/
+/*	$NetBSD: linux_types.h,v 1.11 2001/01/19 01:40:40 manu Exp $	*/
 
 /*-
  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
@@ -43,6 +43,8 @@
 #include <compat/linux/arch/i386/linux_types.h>
 #elif defined(__alpha__)
 #include <compat/linux/arch/alpha/linux_types.h>
+#elif defined(__powerpc__)
+#include <compat/linux/arch/powerpc/linux_types.h>
 /*
  * The rest are not written yet:
  */
@@ -52,8 +54,6 @@
 #include <compat/linux/arch/m68k/linux_types.h>
 #elif defined(__mips__)
 #include <compat/linux/arch/mips/linux_types.h>
-#elif defined(__powerpc__)
-#include <compat/linux/arch/power/linux_types.h>
 #endif
 
 /*