13 files changed, 61 insertions, 201 deletions

diff --git a/include/asm-ppc/msgbuf.h b/include/asm-powerpc/msgbuf.h
index 1053452a9376..dd76743c7537 100644
--- a/include/asm-ppc/msgbuf.h
+++ b/include/asm-powerpc/msgbuf.h
@@ -1,17 +1,25 @@
-#ifndef _PPC_MSGBUF_H
-#define _PPC_MSGBUF_H
+#ifndef _ASM_POWERPC_MSGBUF_H
+#define _ASM_POWERPC_MSGBUF_H
 
 /*
- * The msqid64_ds structure for the PPC architecture.
+ * The msqid64_ds structure for the PowerPC architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
  */
 
 struct msqid64_ds {
         struct ipc64_perm msg_perm;
+#ifndef __powerpc64__
         unsigned int    __unused1;
+#endif
         __kernel_time_t msg_stime;      /* last msgsnd time */
+#ifndef __powerpc64__
         unsigned int    __unused2;
+#endif
         __kernel_time_t msg_rtime;      /* last msgrcv time */
+#ifndef __powerpc64__
         unsigned int    __unused3;
+#endif
         __kernel_time_t msg_ctime;      /* last change time */
         unsigned long  msg_cbytes;      /* current number of bytes on queue */
         unsigned long  msg_qnum;        /* number of messages in queue */
@@ -22,4 +30,4 @@ struct msqid64_ds {
         unsigned long  __unused5;
 };
 
-#endif /* _PPC_MSGBUF_H */
+#endif  /* _ASM_POWERPC_MSGBUF_H */
diff --git a/include/asm-ppc/param.h b/include/asm-powerpc/param.h
index 6198b1657a45..bdc724f70884 100644
--- a/include/asm-ppc/param.h
+++ b/include/asm-powerpc/param.h
@@ -1,10 +1,10 @@
-#ifndef _ASM_PPC_PARAM_H
-#define _ASM_PPC_PARAM_H
+#ifndef _ASM_POWERPC_PARAM_H
+#define _ASM_POWERPC_PARAM_H
 
 #include <linux/config.h>
 
 #ifdef __KERNEL__
-#define HZ              CONFIG_HZ       /* internal timer frequency */
+#define HZ              CONFIG_HZ       /* internal kernel timer frequency */
 #define USER_HZ         100             /* for user interfaces in "ticks" */
 #define CLOCKS_PER_SEC  (USER_HZ)       /* frequency at which times() counts */
 #endif /* __KERNEL__ */
@@ -21,4 +21,4 @@
 
 #define MAXHOSTNAMELEN  64      /* max length of hostname */
 
-#endif
+#endif  /* _ASM_POWERPC_PARAM_H */
diff --git a/include/asm-powerpc/setup.h b/include/asm-powerpc/setup.h
new file mode 100644
index 000000000000..3d9740aae018
--- /dev/null
+++ b/include/asm-powerpc/setup.h
@@ -0,0 +1,9 @@
+#ifndef _ASM_POWERPC_SETUP_H
+#define _ASM_POWERPC_SETUP_H
+
+#ifdef __KERNEL__
+
+#define COMMAND_LINE_SIZE       512
+
+#endif  /* __KERNEL__ */
+#endif  /* _ASM_POWERPC_SETUP_H */
diff --git a/include/asm-ppc/timex.h b/include/asm-powerpc/timex.h
index cffc8712077c..51c5b316be55 100644
--- a/include/asm-ppc/timex.h
+++ b/include/asm-powerpc/timex.h
@@ -1,11 +1,11 @@
+#ifndef _ASM_POWERPC_TIMEX_H
+#define _ASM_POWERPC_TIMEX_H
+
+#ifdef __KERNEL__
+
 /*
- * include/asm-ppc/timex.h
- *
- * ppc architecture timex specifications
+ * PowerPC architecture timex specifications
  */
-#ifdef __KERNEL__
-#ifndef _ASMppc_TIMEX_H
-#define _ASMppc_TIMEX_H
 
 #include <linux/config.h>
 #include <asm/cputable.h>
@@ -14,14 +14,21 @@
 
 typedef unsigned long cycles_t;
 
-/*
- * For the "cycle" counter we use the timebase lower half.
- * Currently only used on SMP.
- */
-
 static inline cycles_t get_cycles(void)
 {
-        cycles_t ret = 0;
+        cycles_t ret;
+
+#ifdef __powerpc64__
+
+        __asm__ __volatile__("mftb %0" : "=r" (ret) : );
+
+#else
+        /*
+         * For the "cycle" counter we use the timebase lower half.
+         * Currently only used on SMP.
+         */
+
+        ret = 0;
 
         __asm__ __volatile__(
                 "98:    mftb %0\n"
@@ -33,8 +40,10 @@ static inline cycles_t get_cycles(void)
                 "       .long 99b\n"
                 ".previous"
                 : "=r" (ret) : "i" (CPU_FTR_601));
+#endif
+
         return ret;
 }
 
-#endif
-#endif /* __KERNEL__ */
+#endif  /* __KERNEL__ */
+#endif  /* _ASM_POWERPC_TIMEX_H */
diff --git a/include/asm-ppc64/topology.h b/include/asm-powerpc/topology.h
index 1e9b19073230..2512e3836bf4 100644
--- a/include/asm-ppc64/topology.h
+++ b/include/asm-powerpc/topology.h
@@ -1,11 +1,12 @@
-#ifndef _ASM_PPC64_TOPOLOGY_H
-#define _ASM_PPC64_TOPOLOGY_H
+#ifndef _ASM_POWERPC_TOPOLOGY_H
+#define _ASM_POWERPC_TOPOLOGY_H
 
 #include <linux/config.h>
-#include <asm/mmzone.h>
 
 #ifdef CONFIG_NUMA
 
+#include <asm/mmzone.h>
+
 static inline int cpu_to_node(int cpu)
 {
         int node;
@@ -66,4 +67,4 @@ static inline int node_to_first_cpu(int node)
 
 #endif /* CONFIG_NUMA */
 
-#endif /* _ASM_PPC64_TOPOLOGY_H */
+#endif  /* _ASM_POWERPC_TOPOLOGY_H */
diff --git a/include/asm-ppc/user.h b/include/asm-powerpc/user.h
index d662b2151370..e59ade4b3dfb 100644
--- a/include/asm-ppc/user.h
+++ b/include/asm-powerpc/user.h
@@ -1,13 +1,14 @@
-#ifdef __KERNEL__
-#ifndef _PPC_USER_H
-#define _PPC_USER_H
+#ifndef _ASM_POWERPC_USER_H
+#define _ASM_POWERPC_USER_H
 
-/* Adapted from <asm-alpha/user.h> */
+#ifdef __KERNEL__
 
-#include <linux/ptrace.h>
+#include <asm/ptrace.h>
 #include <asm/page.h>
 
 /*
+ * Adapted from <asm-alpha/user.h>
+ *
  * Core file format: The core file is written in such a way that gdb
  * can understand it and provide useful information to the user (under
  * linux we use the `trad-core' bfd, NOT the osf-core).  The file contents
@@ -50,5 +51,5 @@ struct user {
 #define HOST_DATA_START_ADDR    (u.start_data)
 #define HOST_STACK_END_ADDR     (u.start_stack + u.u_ssize * NBPG)
 
-#endif /* _PPC_USER_H */
-#endif /* __KERNEL__ */
+#endif  /* __KERNEL__ */
+#endif  /* _ASM_POWERPC_USER_H */
diff --git a/include/asm-ppc/setup.h b/include/asm-ppc/setup.h
deleted file mode 100644
index d2d19ee103df..000000000000
--- a/include/asm-ppc/setup.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#ifdef __KERNEL__
-#ifndef _PPC_SETUP_H
-#define _PPC_SETUP_H
-
-#define m68k_num_memory num_memory
-#define m68k_memory memory
-
-#include <asm-m68k/setup.h>
-/* We have a bigger command line buffer. */
-#undef COMMAND_LINE_SIZE
-#define COMMAND_LINE_SIZE       512
-
-#endif /* _PPC_SETUP_H */
-#endif /* __KERNEL__ */
diff --git a/include/asm-ppc/topology.h b/include/asm-ppc/topology.h
deleted file mode 100644
index 6a029bbba6e1..000000000000
--- a/include/asm-ppc/topology.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _ASM_PPC_TOPOLOGY_H
-#define _ASM_PPC_TOPOLOGY_H
-
-#include <asm-generic/topology.h>
-
-#endif /* _ASM_PPC_TOPOLOGY_H */
diff --git a/include/asm-ppc64/msgbuf.h b/include/asm-ppc64/msgbuf.h
deleted file mode 100644
index 31c1cbf133cc..000000000000
--- a/include/asm-ppc64/msgbuf.h
+++ /dev/null
@@ -1,27 +0,0 @@
-#ifndef _PPC64_MSGBUF_H
-#define _PPC64_MSGBUF_H
-
-/* 
- * The msqid64_ds structure for the PPC architecture.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-struct msqid64_ds {
-        struct ipc64_perm msg_perm;
-        __kernel_time_t msg_stime;      /* last msgsnd time */
-        __kernel_time_t msg_rtime;      /* last msgrcv time */
-        __kernel_time_t msg_ctime;      /* last change time */
-        unsigned long  msg_cbytes;      /* current number of bytes on queue */
-        unsigned long  msg_qnum;        /* number of messages in queue */
-        unsigned long  msg_qbytes;      /* max number of bytes on queue */
-        __kernel_pid_t msg_lspid;       /* pid of last msgsnd */
-        __kernel_pid_t msg_lrpid;       /* last receive pid */
-        unsigned long  __unused1;
-        unsigned long  __unused2;
-};
-
-#endif /* _PPC64_MSGBUF_H */
diff --git a/include/asm-ppc64/param.h b/include/asm-ppc64/param.h
deleted file mode 100644
index 76c212d475b3..000000000000
--- a/include/asm-ppc64/param.h
+++ /dev/null
@@ -1,31 +0,0 @@
-#ifndef _ASM_PPC64_PARAM_H
-#define _ASM_PPC64_PARAM_H
-
-#include <linux/config.h>
-
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#ifdef __KERNEL__
-# define HZ             CONFIG_HZ       /* Internal kernel timer frequency */
-# define USER_HZ        100             /* .. some user interfaces are in "ticks" */
-# define CLOCKS_PER_SEC (USER_HZ)       /* like times() */
-#endif
-
-#ifndef HZ
-#define HZ 100
-#endif
-
-#define EXEC_PAGESIZE   4096
-
-#ifndef NOGROUP
-#define NOGROUP         (-1)
-#endif
-
-#define MAXHOSTNAMELEN  64      /* max length of hostname */
-
-#endif /* _ASM_PPC64_PARAM_H */
diff --git a/include/asm-ppc64/setup.h b/include/asm-ppc64/setup.h
deleted file mode 100644
index b257b8348c73..000000000000
--- a/include/asm-ppc64/setup.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _PPC_SETUP_H
-#define _PPC_SETUP_H
-
-#define COMMAND_LINE_SIZE 512
-
-#endif /* _PPC_SETUP_H */
diff --git a/include/asm-ppc64/timex.h b/include/asm-ppc64/timex.h
deleted file mode 100644
index 8db4da4064cd..000000000000
--- a/include/asm-ppc64/timex.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * linux/include/asm-ppc/timex.h
- *
- * PPC64 architecture timex specifications
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#ifndef _ASMPPC64_TIMEX_H
-#define _ASMPPC64_TIMEX_H
-
-#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */
-
-typedef unsigned long cycles_t;
-
-static inline cycles_t get_cycles(void)
-{
-        cycles_t ret;
-
-        __asm__ __volatile__("mftb %0" : "=r" (ret) : );
-        return ret;
-}
-
-#endif
diff --git a/include/asm-ppc64/user.h b/include/asm-ppc64/user.h
deleted file mode 100644
index d7d6554a421f..000000000000
--- a/include/asm-ppc64/user.h
+++ /dev/null
@@ -1,58 +0,0 @@
-#ifndef _PPC_USER_H
-#define _PPC_USER_H
-
-/* Adapted from <asm-alpha/user.h> 
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <asm/ptrace.h>
-#include <asm/page.h>
-
-/*
- * Core file format: The core file is written in such a way that gdb
- * can understand it and provide useful information to the user (under
- * linux we use the `trad-core' bfd, NOT the osf-core).  The file contents
- * are as follows:
- *
- *  upage: 1 page consisting of a user struct that tells gdb
- *      what is present in the file.  Directly after this is a
- *      copy of the task_struct, which is currently not used by gdb,
- *      but it may come in handy at some point.  All of the registers
- *      are stored as part of the upage.  The upage should always be
- *      only one page long.
- *  data: The data segment follows next.  We use current->end_text to
- *      current->brk to pick up all of the user variables, plus any memory
- *      that may have been sbrk'ed.  No attempt is made to determine if a
- *      page is demand-zero or if a page is totally unused, we just cover
- *      the entire range.  All of the addresses are rounded in such a way
- *      that an integral number of pages is written.
- *  stack: We need the stack information in order to get a meaningful
- *      backtrace.  We need to write the data from usp to
- *      current->start_stack, so we round each of these in order to be able
- *      to write an integer number of pages.
- */
-struct user {
-        struct pt_regs  regs;                   /* entire machine state */
-        size_t          u_tsize;                /* text size (pages) */
-        size_t          u_dsize;                /* data size (pages) */
-        size_t          u_ssize;                /* stack size (pages) */
-        unsigned long   start_code;             /* text starting address */
-        unsigned long   start_data;             /* data starting address */
-        unsigned long   start_stack;            /* stack starting address */
-        long int        signal;                 /* signal causing core dump */
-        struct regs *   u_ar0;                  /* help gdb find registers */
-        unsigned long   magic;                  /* identifies a core file */
-        char            u_comm[32];             /* user command name */
-};
-
-#define NBPG                    PAGE_SIZE
-#define UPAGES                  1
-#define HOST_TEXT_START_ADDR    (u.start_code)
-#define HOST_DATA_START_ADDR    (u.start_data)
-#define HOST_STACK_END_ADDR     (u.start_stack + u.u_ssize * NBPG)
-
-#endif /* _PPC_USER_H */