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authorPaul Mackerras <paulus@samba.org>2005-11-14 17:22:01 +1100
committerPaul Mackerras <paulus@samba.org>2005-11-14 17:22:01 +1100
commitc55377ee73f6efeb373ae06f6e918d87660b4852 (patch)
tree8085472005f758e73d996d2b3e0e91064524d533 /include
parent821077b2617ef70662a861393c929d7e47609512 (diff)
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powerpc: Move a bunch of ppc64 headers to include/asm-powerpc
... and also delete some that are no longer used because we already had an include/asm-powerpc version of the header. Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-powerpc/btext.h (renamed from include/asm-ppc64/btext.h)0
-rw-r--r--include/asm-powerpc/delay.h (renamed from include/asm-ppc64/delay.h)19
-rw-r--r--include/asm-powerpc/eeh.h (renamed from include/asm-ppc64/eeh.h)0
-rw-r--r--include/asm-powerpc/floppy.h (renamed from include/asm-ppc64/floppy.h)25
-rw-r--r--include/asm-powerpc/hvconsole.h (renamed from include/asm-ppc64/hvconsole.h)0
-rw-r--r--include/asm-powerpc/hvcserver.h (renamed from include/asm-ppc64/hvcserver.h)0
-rw-r--r--include/asm-powerpc/nvram.h (renamed from include/asm-ppc64/nvram.h)16
-rw-r--r--include/asm-powerpc/serial.h (renamed from include/asm-ppc64/serial.h)19
-rw-r--r--include/asm-ppc/nvram.h73
-rw-r--r--include/asm-ppc64/prom.h220
-rw-r--r--include/asm-ppc64/system.h310
11 files changed, 42 insertions, 640 deletions
diff --git a/include/asm-ppc64/btext.h b/include/asm-powerpc/btext.h
index 71cce36..71cce36 100644
--- a/include/asm-ppc64/btext.h
+++ b/include/asm-powerpc/btext.h
diff --git a/include/asm-ppc64/delay.h b/include/asm-powerpc/delay.h
index 05f198c..1492aa9 100644
--- a/include/asm-ppc64/delay.h
+++ b/include/asm-powerpc/delay.h
@@ -1,5 +1,5 @@
-#ifndef _PPC64_DELAY_H
-#define _PPC64_DELAY_H
+#ifndef _ASM_POWERPC_DELAY_H
+#define _ASM_POWERPC_DELAY_H
/*
* Copyright 1996, Paul Mackerras.
@@ -15,10 +15,17 @@
extern unsigned long tb_ticks_per_usec;
-/* define these here to prevent circular dependencies */
+#ifdef CONFIG_PPC64
+/* define these here to prevent circular dependencies */
+/* these instructions control the thread priority on multi-threaded cpus */
#define __HMT_low() asm volatile("or 1,1,1")
#define __HMT_medium() asm volatile("or 2,2,2")
-#define __barrier() asm volatile("":::"memory")
+#else
+#define __HMT_low()
+#define __HMT_medium()
+#endif
+
+#define __barrier() asm volatile("" ::: "memory")
static inline unsigned long __get_tb(void)
{
@@ -32,7 +39,7 @@ static inline void __delay(unsigned long loops)
{
unsigned long start = __get_tb();
- while((__get_tb()-start) < loops)
+ while((__get_tb() - start) < loops)
__HMT_low();
__HMT_medium();
__barrier();
@@ -45,4 +52,4 @@ static inline void udelay(unsigned long usecs)
__delay(loops);
}
-#endif /* _PPC64_DELAY_H */
+#endif /* _ASM_POWERPC_DELAY_H */
diff --git a/include/asm-ppc64/eeh.h b/include/asm-powerpc/eeh.h
index 89f26ab..89f26ab 100644
--- a/include/asm-ppc64/eeh.h
+++ b/include/asm-powerpc/eeh.h
diff --git a/include/asm-ppc64/floppy.h b/include/asm-powerpc/floppy.h
index 5c497b5..64276a3 100644
--- a/include/asm-ppc64/floppy.h
+++ b/include/asm-powerpc/floppy.h
@@ -7,22 +7,22 @@
*
* Copyright (C) 1995
*/
-#ifndef __ASM_PPC64_FLOPPY_H
-#define __ASM_PPC64_FLOPPY_H
+#ifndef __ASM_POWERPC_FLOPPY_H
+#define __ASM_POWERPC_FLOPPY_H
#include <linux/config.h>
#include <asm/machdep.h>
-#define fd_inb(port) inb_p(port)
-#define fd_outb(value,port) outb_p(value,port)
+#define fd_inb(port) inb_p(port)
+#define fd_outb(value,port) outb_p(value,port)
#define fd_enable_dma() enable_dma(FLOPPY_DMA)
#define fd_disable_dma() disable_dma(FLOPPY_DMA)
-#define fd_request_dma() request_dma(FLOPPY_DMA,"floppy")
+#define fd_request_dma() request_dma(FLOPPY_DMA, "floppy")
#define fd_free_dma() free_dma(FLOPPY_DMA)
#define fd_clear_dma_ff() clear_dma_ff(FLOPPY_DMA)
-#define fd_set_dma_mode(mode) set_dma_mode(FLOPPY_DMA,mode)
-#define fd_set_dma_count(count) set_dma_count(FLOPPY_DMA,count)
+#define fd_set_dma_mode(mode) set_dma_mode(FLOPPY_DMA, mode)
+#define fd_set_dma_count(count) set_dma_count(FLOPPY_DMA, count)
#define fd_enable_irq() enable_irq(FLOPPY_IRQ)
#define fd_disable_irq() disable_irq(FLOPPY_IRQ)
#define fd_cacheflush(addr,size) /* nothing */
@@ -35,10 +35,10 @@
#include <linux/pci.h>
-#define fd_dma_setup(addr,size,mode,io) ppc64_fd_dma_setup(addr,size,mode,io)
+#define fd_dma_setup(addr,size,mode,io) powerpc_fd_dma_setup(addr,size,mode,io)
-static __inline__ int
-ppc64_fd_dma_setup(char *addr, unsigned long size, int mode, int io)
+static __inline__ int powerpc_fd_dma_setup(char *addr, unsigned long size,
+ int mode, int io)
{
static unsigned long prev_size;
static dma_addr_t bus_addr = 0;
@@ -55,9 +55,8 @@ ppc64_fd_dma_setup(char *addr, unsigned long size, int mode, int io)
bus_addr = 0;
}
- if (!bus_addr) /* need to map it */ {
+ if (!bus_addr) /* need to map it */
bus_addr = pci_map_single(NULL, addr, size, dir);
- }
/* remember this one as prev */
prev_addr = addr;
@@ -103,4 +102,4 @@ static int FDC2 = -1;
#define EXTRA_FLOPPY_PARAMS
-#endif /* __ASM_PPC64_FLOPPY_H */
+#endif /* __ASM_POWERPC_FLOPPY_H */
diff --git a/include/asm-ppc64/hvconsole.h b/include/asm-powerpc/hvconsole.h
index 6da93ce..6da93ce 100644
--- a/include/asm-ppc64/hvconsole.h
+++ b/include/asm-powerpc/hvconsole.h
diff --git a/include/asm-ppc64/hvcserver.h b/include/asm-powerpc/hvcserver.h
index aecba96..aecba96 100644
--- a/include/asm-ppc64/hvcserver.h
+++ b/include/asm-powerpc/hvcserver.h
diff --git a/include/asm-ppc64/nvram.h b/include/asm-powerpc/nvram.h
index def47d7..1858244 100644
--- a/include/asm-ppc64/nvram.h
+++ b/include/asm-powerpc/nvram.h
@@ -1,6 +1,5 @@
/*
- * PreP compliant NVRAM access
- * This needs to be updated for PPC64
+ * NVRAM definitions and access functions.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -8,8 +7,8 @@
* 2 of the License, or (at your option) any later version.
*/
-#ifndef _PPC64_NVRAM_H
-#define _PPC64_NVRAM_H
+#ifndef _ASM_POWERPC_NVRAM_H
+#define _ASM_POWERPC_NVRAM_H
#define NVRW_CNT 0x20
#define NVRAM_HEADER_LEN 16 /* sizeof(struct nvram_header) */
@@ -88,7 +87,11 @@ extern u8 pmac_xpram_read(int xpaddr);
extern void pmac_xpram_write(int xpaddr, u8 data);
/* Synchronize NVRAM */
-extern int nvram_sync(void);
+extern void nvram_sync(void);
+
+/* Normal access to NVRAM */
+extern unsigned char nvram_read_byte(int i);
+extern void nvram_write_byte(unsigned char c, int i);
/* Some offsets in XPRAM */
#define PMAC_XPRAM_MACHINE_LOC 0xe4
@@ -112,5 +115,6 @@ struct pmac_machine_location {
_IOWR('p', 0x40, int)
#define IOC_NVRAM_GET_OFFSET _IOWR('p', 0x42, int) /* Get NVRAM partition offset */
+#define IOC_NVRAM_SYNC _IO('p', 0x43) /* Sync NVRAM image */
-#endif /* _PPC64_NVRAM_H */
+#endif /* _ASM_POWERPC_NVRAM_H */
diff --git a/include/asm-ppc64/serial.h b/include/asm-powerpc/serial.h
index d6bcb79..b273d63 100644
--- a/include/asm-ppc64/serial.h
+++ b/include/asm-powerpc/serial.h
@@ -1,21 +1,16 @@
/*
- * include/asm-ppc64/serial.h
- */
-#ifndef _PPC64_SERIAL_H
-#define _PPC64_SERIAL_H
-
-/*
- * This assumes you have a 1.8432 MHz clock for your UART.
- *
- * It'd be nice if someone built a serial card with a 24.576 MHz
- * clock, since the 16550A is capable of handling a top speed of 1.5
- * megabits/second; but this requires the faster clock.
- *
* 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 _ASM_POWERPC_SERIAL_H
+#define _ASM_POWERPC_SERIAL_H
+
+/*
+ * Serial ports are not listed here, because they are discovered
+ * through the device tree.
+ */
/* Default baud base if not found in device-tree */
#define BASE_BAUD ( 1843200 / 16 )
diff --git a/include/asm-ppc/nvram.h b/include/asm-ppc/nvram.h
deleted file mode 100644
index 31ef16e..0000000
--- a/include/asm-ppc/nvram.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * PreP compliant NVRAM access
- */
-
-#ifdef __KERNEL__
-#ifndef _PPC_NVRAM_H
-#define _PPC_NVRAM_H
-
-#define NVRAM_AS0 0x74
-#define NVRAM_AS1 0x75
-#define NVRAM_DATA 0x77
-
-
-/* RTC Offsets */
-
-#define MOTO_RTC_SECONDS 0x1FF9
-#define MOTO_RTC_MINUTES 0x1FFA
-#define MOTO_RTC_HOURS 0x1FFB
-#define MOTO_RTC_DAY_OF_WEEK 0x1FFC
-#define MOTO_RTC_DAY_OF_MONTH 0x1FFD
-#define MOTO_RTC_MONTH 0x1FFE
-#define MOTO_RTC_YEAR 0x1FFF
-#define MOTO_RTC_CONTROLA 0x1FF8
-#define MOTO_RTC_CONTROLB 0x1FF9
-
-/* PowerMac specific nvram stuffs */
-
-enum {
- pmac_nvram_OF, /* Open Firmware partition */
- pmac_nvram_XPRAM, /* MacOS XPRAM partition */
- pmac_nvram_NR /* MacOS Name Registry partition */
-};
-
-/* Return partition offset in nvram */
-extern int pmac_get_partition(int partition);
-
-/* Direct access to XPRAM on PowerMacs */
-extern u8 pmac_xpram_read(int xpaddr);
-extern void pmac_xpram_write(int xpaddr, u8 data);
-
-/* Synchronize NVRAM */
-extern void nvram_sync(void);
-
-/* Normal access to NVRAM */
-extern unsigned char nvram_read_byte(int i);
-extern void nvram_write_byte(unsigned char c, int i);
-
-/* Some offsets in XPRAM */
-#define PMAC_XPRAM_MACHINE_LOC 0xe4
-#define PMAC_XPRAM_SOUND_VOLUME 0x08
-
-/* Machine location structure in PowerMac XPRAM */
-struct pmac_machine_location {
- unsigned int latitude; /* 2+30 bit Fractional number */
- unsigned int longitude; /* 2+30 bit Fractional number */
- unsigned int delta; /* mix of GMT delta and DLS */
-};
-
-/*
- * /dev/nvram ioctls
- *
- * Note that PMAC_NVRAM_GET_OFFSET is still supported, but is
- * definitely obsolete. Do not use it if you can avoid it
- */
-
-#define OBSOLETE_PMAC_NVRAM_GET_OFFSET \
- _IOWR('p', 0x40, int)
-
-#define IOC_NVRAM_GET_OFFSET _IOWR('p', 0x42, int) /* Get NVRAM partition offset */
-#define IOC_NVRAM_SYNC _IO('p', 0x43) /* Sync NVRAM image */
-
-#endif
-#endif /* __KERNEL__ */
diff --git a/include/asm-ppc64/prom.h b/include/asm-ppc64/prom.h
deleted file mode 100644
index ddfe186..0000000
--- a/include/asm-ppc64/prom.h
+++ /dev/null
@@ -1,220 +0,0 @@
-#ifndef _PPC64_PROM_H
-#define _PPC64_PROM_H
-
-/*
- * Definitions for talking to the Open Firmware PROM on
- * Power Macintosh computers.
- *
- * Copyright (C) 1996 Paul Mackerras.
- *
- * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
- *
- * 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 <linux/config.h>
-#include <linux/proc_fs.h>
-#include <asm/atomic.h>
-
-#define PTRRELOC(x) ((typeof(x))((unsigned long)(x) - offset))
-#define PTRUNRELOC(x) ((typeof(x))((unsigned long)(x) + offset))
-#define RELOC(x) (*PTRRELOC(&(x)))
-
-/* Definitions used by the flattened device tree */
-#define OF_DT_HEADER 0xd00dfeed /* marker */
-#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */
-#define OF_DT_END_NODE 0x2 /* End node */
-#define OF_DT_PROP 0x3 /* Property: name off, size,
- * content */
-#define OF_DT_NOP 0x4 /* nop */
-#define OF_DT_END 0x9
-
-#define OF_DT_VERSION 0x10
-
-/*
- * This is what gets passed to the kernel by prom_init or kexec
- *
- * The dt struct contains the device tree structure, full pathes and
- * property contents. The dt strings contain a separate block with just
- * the strings for the property names, and is fully page aligned and
- * self contained in a page, so that it can be kept around by the kernel,
- * each property name appears only once in this page (cheap compression)
- *
- * the mem_rsvmap contains a map of reserved ranges of physical memory,
- * passing it here instead of in the device-tree itself greatly simplifies
- * the job of everybody. It's just a list of u64 pairs (base/size) that
- * ends when size is 0
- */
-struct boot_param_header
-{
- u32 magic; /* magic word OF_DT_HEADER */
- u32 totalsize; /* total size of DT block */
- u32 off_dt_struct; /* offset to structure */
- u32 off_dt_strings; /* offset to strings */
- u32 off_mem_rsvmap; /* offset to memory reserve map */
- u32 version; /* format version */
- u32 last_comp_version; /* last compatible version */
- /* version 2 fields below */
- u32 boot_cpuid_phys; /* Physical CPU id we're booting on */
- /* version 3 fields below */
- u32 dt_strings_size; /* size of the DT strings block */
-};
-
-
-
-typedef u32 phandle;
-typedef u32 ihandle;
-
-struct address_range {
- unsigned long space;
- unsigned long address;
- unsigned long size;
-};
-
-struct interrupt_info {
- int line;
- int sense; /* +ve/-ve logic, edge or level, etc. */
-};
-
-struct pci_address {
- u32 a_hi;
- u32 a_mid;
- u32 a_lo;
-};
-
-struct isa_address {
- u32 a_hi;
- u32 a_lo;
-};
-
-struct isa_range {
- struct isa_address isa_addr;
- struct pci_address pci_addr;
- unsigned int size;
-};
-
-struct reg_property {
- unsigned long address;
- unsigned long size;
-};
-
-struct reg_property32 {
- unsigned int address;
- unsigned int size;
-};
-
-struct reg_property64 {
- unsigned long address;
- unsigned long size;
-};
-
-struct property {
- char *name;
- int length;
- unsigned char *value;
- struct property *next;
-};
-
-struct device_node {
- char *name;
- char *type;
- phandle node;
- phandle linux_phandle;
- int n_addrs;
- struct address_range *addrs;
- int n_intrs;
- struct interrupt_info *intrs;
- char *full_name;
-
- struct property *properties;
- struct device_node *parent;
- struct device_node *child;
- struct device_node *sibling;
- struct device_node *next; /* next device of same type */
- struct device_node *allnext; /* next in list of all nodes */
- struct proc_dir_entry *pde; /* this node's proc directory */
- struct kref kref;
- unsigned long _flags;
- void *data;
-#ifdef CONFIG_PPC_ISERIES
- struct list_head Device_List;
-#endif
-};
-
-extern struct device_node *of_chosen;
-
-/* flag descriptions */
-#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */
-
-#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
-#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
-
-/*
- * Until 32-bit ppc can add proc_dir_entries to its device_node
- * definition, we cannot refer to pde, name_link, and addr_link
- * in arch-independent code.
- */
-#define HAVE_ARCH_DEVTREE_FIXUPS
-
-static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de)
-{
- dn->pde = de;
-}
-
-
-/* OBSOLETE: Old stlye node lookup */
-extern struct device_node *find_devices(const char *name);
-extern struct device_node *find_type_devices(const char *type);
-extern struct device_node *find_path_device(const char *path);
-extern struct device_node *find_compatible_devices(const char *type,
- const char *compat);
-extern struct device_node *find_all_nodes(void);
-
-/* New style node lookup */
-extern struct device_node *of_find_node_by_name(struct device_node *from,
- const char *name);
-extern struct device_node *of_find_node_by_type(struct device_node *from,
- const char *type);
-extern struct device_node *of_find_compatible_node(struct device_node *from,
- const char *type, const char *compat);
-extern struct device_node *of_find_node_by_path(const char *path);
-extern struct device_node *of_find_node_by_phandle(phandle handle);
-extern struct device_node *of_find_all_nodes(struct device_node *prev);
-extern struct device_node *of_get_parent(const struct device_node *node);
-extern struct device_node *of_get_next_child(const struct device_node *node,
- struct device_node *prev);
-extern struct device_node *of_node_get(struct device_node *node);
-extern void of_node_put(struct device_node *node);
-
-/* For scanning the flat device-tree at boot time */
-int __init of_scan_flat_dt(int (*it)(unsigned long node,
- const char *uname, int depth,
- void *data),
- void *data);
-void* __init of_get_flat_dt_prop(unsigned long node, const char *name,
- unsigned long *size);
-
-/* For updating the device tree at runtime */
-extern void of_attach_node(struct device_node *);
-extern void of_detach_node(const struct device_node *);
-
-/* Other Prototypes */
-extern unsigned long prom_init(unsigned long, unsigned long, unsigned long,
- unsigned long, unsigned long);
-extern void finish_device_tree(void);
-extern void unflatten_device_tree(void);
-extern void early_init_devtree(void *);
-extern int device_is_compatible(struct device_node *device, const char *);
-extern int machine_is_compatible(const char *compat);
-extern unsigned char *get_property(struct device_node *node, const char *name,
- int *lenp);
-extern void print_properties(struct device_node *node);
-extern int prom_n_addr_cells(struct device_node* np);
-extern int prom_n_size_cells(struct device_node* np);
-extern int prom_n_intr_cells(struct device_node* np);
-extern void prom_get_irq_senses(unsigned char *senses, int off, int max);
-extern int prom_add_property(struct device_node* np, struct property* prop);
-
-#endif /* _PPC64_PROM_H */
diff --git a/include/asm-ppc64/system.h b/include/asm-ppc64/system.h
deleted file mode 100644
index bf9a6ab..0000000
--- a/include/asm-ppc64/system.h
+++ /dev/null
@@ -1,310 +0,0 @@
-#ifndef __PPC64_SYSTEM_H
-#define __PPC64_SYSTEM_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 <linux/config.h>
-#include <linux/compiler.h>
-#include <asm/page.h>
-#include <asm/processor.h>
-#include <asm/hw_irq.h>
-#include <asm/synch.h>
-
-/*
- * Memory barrier.
- * The sync instruction guarantees that all memory accesses initiated
- * by this processor have been performed (with respect to all other
- * mechanisms that access memory). The eieio instruction is a barrier
- * providing an ordering (separately) for (a) cacheable stores and (b)
- * loads and stores to non-cacheable memory (e.g. I/O devices).
- *
- * mb() prevents loads and stores being reordered across this point.
- * rmb() prevents loads being reordered across this point.
- * wmb() prevents stores being reordered across this point.
- * read_barrier_depends() prevents data-dependent loads being reordered
- * across this point (nop on PPC).
- *
- * We have to use the sync instructions for mb(), since lwsync doesn't
- * order loads with respect to previous stores. Lwsync is fine for
- * rmb(), though.
- * For wmb(), we use sync since wmb is used in drivers to order
- * stores to system memory with respect to writes to the device.
- * However, smp_wmb() can be a lighter-weight eieio barrier on
- * SMP since it is only used to order updates to system memory.
- */
-#define mb() __asm__ __volatile__ ("sync" : : : "memory")
-#define rmb() __asm__ __volatile__ ("lwsync" : : : "memory")
-#define wmb() __asm__ __volatile__ ("sync" : : : "memory")
-#define read_barrier_depends() do { } while(0)
-
-#define set_mb(var, value) do { var = value; smp_mb(); } while (0)
-#define set_wmb(var, value) do { var = value; smp_wmb(); } while (0)
-
-#ifdef CONFIG_SMP
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() eieio()
-#define smp_read_barrier_depends() read_barrier_depends()
-#else
-#define smp_mb() __asm__ __volatile__("": : :"memory")
-#define smp_rmb() __asm__ __volatile__("": : :"memory")
-#define smp_wmb() __asm__ __volatile__("": : :"memory")
-#define smp_read_barrier_depends() do { } while(0)
-#endif /* CONFIG_SMP */
-
-#ifdef __KERNEL__
-struct task_struct;
-struct pt_regs;
-
-#ifdef CONFIG_DEBUGGER
-
-extern int (*__debugger)(struct pt_regs *regs);
-extern int (*__debugger_ipi)(struct pt_regs *regs);
-extern int (*__debugger_bpt)(struct pt_regs *regs);
-extern int (*__debugger_sstep)(struct pt_regs *regs);
-extern int (*__debugger_iabr_match)(struct pt_regs *regs);
-extern int (*__debugger_dabr_match)(struct pt_regs *regs);
-extern int (*__debugger_fault_handler)(struct pt_regs *regs);
-
-#define DEBUGGER_BOILERPLATE(__NAME) \
-static inline int __NAME(struct pt_regs *regs) \
-{ \
- if (unlikely(__ ## __NAME)) \
- return __ ## __NAME(regs); \
- return 0; \
-}
-
-DEBUGGER_BOILERPLATE(debugger)
-DEBUGGER_BOILERPLATE(debugger_ipi)
-DEBUGGER_BOILERPLATE(debugger_bpt)
-DEBUGGER_BOILERPLATE(debugger_sstep)
-DEBUGGER_BOILERPLATE(debugger_iabr_match)
-DEBUGGER_BOILERPLATE(debugger_dabr_match)
-DEBUGGER_BOILERPLATE(debugger_fault_handler)
-
-#ifdef CONFIG_XMON
-extern void xmon_init(int enable);
-#endif
-
-#else
-static inline int debugger(struct pt_regs *regs) { return 0; }
-static inline int debugger_ipi(struct pt_regs *regs) { return 0; }
-static inline int debugger_bpt(struct pt_regs *regs) { return 0; }
-static inline int debugger_sstep(struct pt_regs *regs) { return 0; }
-static inline int debugger_iabr_match(struct pt_regs *regs) { return 0; }
-static inline int debugger_dabr_match(struct pt_regs *regs) { return 0; }
-static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; }
-#endif
-
-extern int set_dabr(unsigned long dabr);
-extern void _exception(int signr, struct pt_regs *regs, int code,
- unsigned long addr);
-extern int fix_alignment(struct pt_regs *regs);
-extern void bad_page_fault(struct pt_regs *regs, unsigned long address,
- int sig);
-extern void show_regs(struct pt_regs * regs);
-extern void low_hash_fault(struct pt_regs *regs, unsigned long address);
-extern int die(const char *str, struct pt_regs *regs, long err);
-
-extern int _get_PVR(void);
-extern void giveup_fpu(struct task_struct *);
-extern void disable_kernel_fp(void);
-extern void flush_fp_to_thread(struct task_struct *);
-extern void enable_kernel_fp(void);
-extern void giveup_altivec(struct task_struct *);
-extern void disable_kernel_altivec(void);
-extern void enable_kernel_altivec(void);
-extern int emulate_altivec(struct pt_regs *);
-extern void cvt_fd(float *from, double *to, struct thread_struct *thread);
-extern void cvt_df(double *from, float *to, struct thread_struct *thread);
-
-#ifdef CONFIG_ALTIVEC
-extern void flush_altivec_to_thread(struct task_struct *);
-#else
-static inline void flush_altivec_to_thread(struct task_struct *t)
-{
-}
-#endif
-
-static inline void flush_spe_to_thread(struct task_struct *t)
-{
-}
-
-extern int mem_init_done; /* set on boot once kmalloc can be called */
-extern unsigned long memory_limit;
-
-/* EBCDIC -> ASCII conversion for [0-9A-Z] on iSeries */
-extern unsigned char e2a(unsigned char);
-
-extern struct task_struct *__switch_to(struct task_struct *,
- struct task_struct *);
-#define switch_to(prev, next, last) ((last) = __switch_to((prev), (next)))
-
-struct thread_struct;
-extern struct task_struct * _switch(struct thread_struct *prev,
- struct thread_struct *next);
-
-extern unsigned long klimit;
-
-extern int powersave_nap; /* set if nap mode can be used in idle loop */
-
-/*
- * Atomic exchange
- *
- * Changes the memory location '*ptr' to be val and returns
- * the previous value stored there.
- *
- * Inline asm pulled from arch/ppc/kernel/misc.S so ppc64
- * is more like most of the other architectures.
- */
-static __inline__ unsigned long
-__xchg_u32(volatile unsigned int *m, unsigned long val)
-{
- unsigned long dummy;
-
- __asm__ __volatile__(
- EIEIO_ON_SMP
-"1: lwarx %0,0,%3 # __xchg_u32\n\
- stwcx. %2,0,%3\n\
-2: bne- 1b"
- ISYNC_ON_SMP
- : "=&r" (dummy), "=m" (*m)
- : "r" (val), "r" (m)
- : "cc", "memory");
-
- return (dummy);
-}
-
-static __inline__ unsigned long
-__xchg_u64(volatile long *m, unsigned long val)
-{
- unsigned long dummy;
-
- __asm__ __volatile__(
- EIEIO_ON_SMP
-"1: ldarx %0,0,%3 # __xchg_u64\n\
- stdcx. %2,0,%3\n\
-2: bne- 1b"
- ISYNC_ON_SMP
- : "=&r" (dummy), "=m" (*m)
- : "r" (val), "r" (m)
- : "cc", "memory");
-
- return (dummy);
-}
-
-/*
- * This function doesn't exist, so you'll get a linker error
- * if something tries to do an invalid xchg().
- */
-extern void __xchg_called_with_bad_pointer(void);
-
-static __inline__ unsigned long
-__xchg(volatile void *ptr, unsigned long x, unsigned int size)
-{
- switch (size) {
- case 4:
- return __xchg_u32(ptr, x);
- case 8:
- return __xchg_u64(ptr, x);
- }
- __xchg_called_with_bad_pointer();
- return x;
-}
-
-#define xchg(ptr,x) \
- ({ \
- __typeof__(*(ptr)) _x_ = (x); \
- (__typeof__(*(ptr))) __xchg((ptr), (unsigned long)_x_, sizeof(*(ptr))); \
- })
-
-#define tas(ptr) (xchg((ptr),1))
-
-#define __HAVE_ARCH_CMPXCHG 1
-
-static __inline__ unsigned long
-__cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new)
-{
- unsigned int prev;
-
- __asm__ __volatile__ (
- EIEIO_ON_SMP
-"1: lwarx %0,0,%2 # __cmpxchg_u32\n\
- cmpw 0,%0,%3\n\
- bne- 2f\n\
- stwcx. %4,0,%2\n\
- bne- 1b"
- ISYNC_ON_SMP
- "\n\
-2:"
- : "=&r" (prev), "=m" (*p)
- : "r" (p), "r" (old), "r" (new), "m" (*p)
- : "cc", "memory");
-
- return prev;
-}
-
-static __inline__ unsigned long
-__cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new)
-{
- unsigned long prev;
-
- __asm__ __volatile__ (
- EIEIO_ON_SMP
-"1: ldarx %0,0,%2 # __cmpxchg_u64\n\
- cmpd 0,%0,%3\n\
- bne- 2f\n\
- stdcx. %4,0,%2\n\
- bne- 1b"
- ISYNC_ON_SMP
- "\n\
-2:"
- : "=&r" (prev), "=m" (*p)
- : "r" (p), "r" (old), "r" (new), "m" (*p)
- : "cc", "memory");
-
- return prev;
-}
-
-/* This function doesn't exist, so you'll get a linker error
- if something tries to do an invalid cmpxchg(). */
-extern void __cmpxchg_called_with_bad_pointer(void);
-
-static __inline__ unsigned long
-__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new,
- unsigned int size)
-{
- switch (size) {
- case 4:
- return __cmpxchg_u32(ptr, old, new);
- case 8:
- return __cmpxchg_u64(ptr, old, new);
- }
- __cmpxchg_called_with_bad_pointer();
- return old;
-}
-
-#define cmpxchg(ptr,o,n)\
- ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\
- (unsigned long)(n),sizeof(*(ptr))))
-
-/*
- * We handle most unaligned accesses in hardware. On the other hand
- * unaligned DMA can be very expensive on some ppc64 IO chips (it does
- * powers of 2 writes until it reaches sufficient alignment).
- *
- * Based on this we disable the IP header alignment in network drivers.
- */
-#define NET_IP_ALIGN 0
-
-#define arch_align_stack(x) (x)
-
-extern unsigned long reloc_offset(void);
-
-#endif /* __KERNEL__ */
-#endif