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ARM: move cache/processor/fault glue to separate include files

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This allows the cache/processor/fault glue to be more easily used
from assembler code.  Tested on Assabet and Tegra 2.

Tested-by: Colin Cross <ccross@android.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2011-02-06 15:32:24 +00:00
parent 292ec42af7
commit 753790e713
11 changed files with 646 additions and 620 deletions
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133
arch/arm/include/asm/cacheflush.h
View File

@ -12,130 +12,13 @@
#include <linux/mm.h>
#include <asm/glue.h>
#include <asm/glue-cache.h>
#include <asm/shmparam.h>
#include <asm/cachetype.h>
#include <asm/outercache.h>
#define CACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT)
/*
* Cache Model
* ===========
*/
#undef _CACHE
#undef MULTI_CACHE
#if defined(CONFIG_CPU_CACHE_V3)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE v3
# endif
#endif
#if defined(CONFIG_CPU_CACHE_V4)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE v4
# endif
#endif
#if defined(CONFIG_CPU_ARM920T) || defined(CONFIG_CPU_ARM922T) || \
defined(CONFIG_CPU_ARM925T) || defined(CONFIG_CPU_ARM1020) || \
defined(CONFIG_CPU_ARM1026)
# define MULTI_CACHE 1
#endif
#if defined(CONFIG_CPU_FA526)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE fa
# endif
#endif
#if defined(CONFIG_CPU_ARM926T)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE arm926
# endif
#endif
#if defined(CONFIG_CPU_ARM940T)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE arm940
# endif
#endif
#if defined(CONFIG_CPU_ARM946E)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE arm946
# endif
#endif
#if defined(CONFIG_CPU_CACHE_V4WB)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE v4wb
# endif
#endif
#if defined(CONFIG_CPU_XSCALE)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE xscale
# endif
#endif
#if defined(CONFIG_CPU_XSC3)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE xsc3
# endif
#endif
#if defined(CONFIG_CPU_MOHAWK)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE mohawk
# endif
#endif
#if defined(CONFIG_CPU_FEROCEON)
# define MULTI_CACHE 1
#endif
#if defined(CONFIG_CPU_V6)
//# ifdef _CACHE
# define MULTI_CACHE 1
//# else
//# define _CACHE v6
//# endif
#endif
#if defined(CONFIG_CPU_V7)
//# ifdef _CACHE
# define MULTI_CACHE 1
//# else
//# define _CACHE v7
//# endif
#endif
#if !defined(_CACHE) && !defined(MULTI_CACHE)
#error Unknown cache maintainence model
#endif
/*
* This flag is used to indicate that the page pointed to by a pte is clean
* and does not require cleaning before returning it to the user.
@ -249,19 +132,11 @@ extern struct cpu_cache_fns cpu_cache;
* visible to the CPU.
*/
#define dmac_map_area cpu_cache.dma_map_area
#define dmac_unmap_area cpu_cache.dma_unmap_area
#define dmac_unmap_area cpu_cache.dma_unmap_area
#define dmac_flush_range cpu_cache.dma_flush_range
#else
#define __cpuc_flush_icache_all __glue(_CACHE,_flush_icache_all)
#define __cpuc_flush_kern_all __glue(_CACHE,_flush_kern_cache_all)
#define __cpuc_flush_user_all __glue(_CACHE,_flush_user_cache_all)
#define __cpuc_flush_user_range __glue(_CACHE,_flush_user_cache_range)
#define __cpuc_coherent_kern_range __glue(_CACHE,_coherent_kern_range)
#define __cpuc_coherent_user_range __glue(_CACHE,_coherent_user_range)
#define __cpuc_flush_dcache_area __glue(_CACHE,_flush_kern_dcache_area)
extern void __cpuc_flush_icache_all(void);
extern void __cpuc_flush_kern_all(void);
extern void __cpuc_flush_user_all(void);
@ -276,10 +151,6 @@ extern void __cpuc_flush_dcache_area(void *, size_t);
* is visible to DMA, or data written by DMA to system memory is
* visible to the CPU.
*/
#define dmac_map_area __glue(_CACHE,_dma_map_area)
#define dmac_unmap_area __glue(_CACHE,_dma_unmap_area)
#define dmac_flush_range __glue(_CACHE,_dma_flush_range)
extern void dmac_map_area(const void *, size_t, int);
extern void dmac_unmap_area(const void *, size_t, int);
extern void dmac_flush_range(const void *, const void *);

69
arch/arm/include/asm/cpu-multi32.h
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@ -1,69 +0,0 @@
/*
* arch/arm/include/asm/cpu-multi32.h
*
* Copyright (C) 2000 Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <asm/page.h>
struct mm_struct;
/*
* Don't change this structure - ASM code
* relies on it.
*/
extern struct processor {
/* MISC
* get data abort address/flags
*/
void (*_data_abort)(unsigned long pc);
/*
* Retrieve prefetch fault address
*/
unsigned long (*_prefetch_abort)(unsigned long lr);
/*
* Set up any processor specifics
*/
void (*_proc_init)(void);
/*
* Disable any processor specifics
*/
void (*_proc_fin)(void);
/*
* Special stuff for a reset
*/
void (*reset)(unsigned long addr) __attribute__((noreturn));
/*
* Idle the processor
*/
int (*_do_idle)(void);
/*
* Processor architecture specific
*/
/*
* clean a virtual address range from the
* D-cache without flushing the cache.
*/
void (*dcache_clean_area)(void *addr, int size);
/*
* Set the page table
*/
void (*switch_mm)(unsigned long pgd_phys, struct mm_struct *mm);
/*
* Set a possibly extended PTE. Non-extended PTEs should
* ignore 'ext'.
*/
void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext);
} processor;
#define cpu_proc_init() processor._proc_init()
#define cpu_proc_fin() processor._proc_fin()
#define cpu_reset(addr) processor.reset(addr)
#define cpu_do_idle() processor._do_idle()
#define cpu_dcache_clean_area(addr,sz) processor.dcache_clean_area(addr,sz)
#define cpu_set_pte_ext(ptep,pte,ext) processor.set_pte_ext(ptep,pte,ext)
#define cpu_do_switch_mm(pgd,mm) processor.switch_mm(pgd,mm)

44
arch/arm/include/asm/cpu-single.h
View File

@ -1,44 +0,0 @@
/*
* arch/arm/include/asm/cpu-single.h
*
* Copyright (C) 2000 Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
* Single CPU
*/
#ifdef __STDC__
#define __catify_fn(name,x) name##x
#else
#define __catify_fn(name,x) name/**/x
#endif
#define __cpu_fn(name,x) __catify_fn(name,x)
/*
* If we are supporting multiple CPUs, then we must use a table of
* function pointers for this lot. Otherwise, we can optimise the
* table away.
*/
#define cpu_proc_init __cpu_fn(CPU_NAME,_proc_init)
#define cpu_proc_fin __cpu_fn(CPU_NAME,_proc_fin)
#define cpu_reset __cpu_fn(CPU_NAME,_reset)
#define cpu_do_idle __cpu_fn(CPU_NAME,_do_idle)
#define cpu_dcache_clean_area __cpu_fn(CPU_NAME,_dcache_clean_area)
#define cpu_do_switch_mm __cpu_fn(CPU_NAME,_switch_mm)
#define cpu_set_pte_ext __cpu_fn(CPU_NAME,_set_pte_ext)
#include <asm/page.h>
struct mm_struct;
/* declare all the functions as extern */
extern void cpu_proc_init(void);
extern void cpu_proc_fin(void);
extern int cpu_do_idle(void);
extern void cpu_dcache_clean_area(void *, int);
extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm);
extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext);
extern void cpu_reset(unsigned long addr) __attribute__((noreturn));

146
arch/arm/include/asm/glue-cache.h Normal file
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@ -0,0 +1,146 @@
/*
* arch/arm/include/asm/glue-cache.h
*
* Copyright (C) 1999-2002 Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef ASM_GLUE_CACHE_H
#define ASM_GLUE_CACHE_H
#include <asm/glue.h>
/*
* Cache Model
* ===========
*/
#undef _CACHE
#undef MULTI_CACHE
#if defined(CONFIG_CPU_CACHE_V3)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE v3
# endif
#endif
#if defined(CONFIG_CPU_CACHE_V4)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE v4
# endif
#endif
#if defined(CONFIG_CPU_ARM920T) || defined(CONFIG_CPU_ARM922T) || \
defined(CONFIG_CPU_ARM925T) || defined(CONFIG_CPU_ARM1020) || \
defined(CONFIG_CPU_ARM1026)
# define MULTI_CACHE 1
#endif
#if defined(CONFIG_CPU_FA526)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE fa
# endif
#endif
#if defined(CONFIG_CPU_ARM926T)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE arm926
# endif
#endif
#if defined(CONFIG_CPU_ARM940T)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE arm940
# endif
#endif
#if defined(CONFIG_CPU_ARM946E)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE arm946
# endif
#endif
#if defined(CONFIG_CPU_CACHE_V4WB)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE v4wb
# endif
#endif
#if defined(CONFIG_CPU_XSCALE)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE xscale
# endif
#endif
#if defined(CONFIG_CPU_XSC3)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE xsc3
# endif
#endif
#if defined(CONFIG_CPU_MOHAWK)
# ifdef _CACHE
# define MULTI_CACHE 1
# else
# define _CACHE mohawk
# endif
#endif
#if defined(CONFIG_CPU_FEROCEON)
# define MULTI_CACHE 1
#endif
#if defined(CONFIG_CPU_V6)
//# ifdef _CACHE
# define MULTI_CACHE 1
//# else
//# define _CACHE v6
//# endif
#endif
#if defined(CONFIG_CPU_V7)
//# ifdef _CACHE
# define MULTI_CACHE 1
//# else
//# define _CACHE v7
//# endif
#endif
#if !defined(_CACHE) && !defined(MULTI_CACHE)
#error Unknown cache maintainence model
#endif
#ifndef MULTI_CACHE
#define __cpuc_flush_icache_all __glue(_CACHE,_flush_icache_all)
#define __cpuc_flush_kern_all __glue(_CACHE,_flush_kern_cache_all)
#define __cpuc_flush_user_all __glue(_CACHE,_flush_user_cache_all)
#define __cpuc_flush_user_range __glue(_CACHE,_flush_user_cache_range)
#define __cpuc_coherent_kern_range __glue(_CACHE,_coherent_kern_range)
#define __cpuc_coherent_user_range __glue(_CACHE,_coherent_user_range)
#define __cpuc_flush_dcache_area __glue(_CACHE,_flush_kern_dcache_area)
#define dmac_map_area __glue(_CACHE,_dma_map_area)
#define dmac_unmap_area __glue(_CACHE,_dma_unmap_area)
#define dmac_flush_range __glue(_CACHE,_dma_flush_range)
#endif
#endif

110
arch/arm/include/asm/glue-df.h Normal file
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@ -0,0 +1,110 @@
/*
* arch/arm/include/asm/glue-df.h
*
* Copyright (C) 1997-1999 Russell King
* Copyright (C) 2000-2002 Deep Blue Solutions Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef ASM_GLUE_DF_H
#define ASM_GLUE_DF_H
#include <asm/glue.h>
/*
* Data Abort Model
* ================
*
* We have the following to choose from:
* arm6 - ARM6 style
* arm7 - ARM7 style
* v4_early - ARMv4 without Thumb early abort handler
* v4t_late - ARMv4 with Thumb late abort handler
* v4t_early - ARMv4 with Thumb early abort handler
* v5tej_early - ARMv5 with Thumb and Java early abort handler
* xscale - ARMv5 with Thumb with Xscale extensions
* v6_early - ARMv6 generic early abort handler
* v7_early - ARMv7 generic early abort handler
*/
#undef CPU_DABORT_HANDLER
#undef MULTI_DABORT
#if defined(CONFIG_CPU_ARM610)
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER cpu_arm6_data_abort
# endif
#endif
#if defined(CONFIG_CPU_ARM710)
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER cpu_arm7_data_abort
# endif
#endif
#ifdef CONFIG_CPU_ABRT_LV4T
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER v4t_late_abort
# endif
#endif
#ifdef CONFIG_CPU_ABRT_EV4
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER v4_early_abort
# endif
#endif
#ifdef CONFIG_CPU_ABRT_EV4T
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER v4t_early_abort
# endif
#endif
#ifdef CONFIG_CPU_ABRT_EV5TJ
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER v5tj_early_abort
# endif
#endif
#ifdef CONFIG_CPU_ABRT_EV5T
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER v5t_early_abort
# endif
#endif
#ifdef CONFIG_CPU_ABRT_EV6
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER v6_early_abort
# endif
#endif
#ifdef CONFIG_CPU_ABRT_EV7
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER v7_early_abort
# endif
#endif
#ifndef CPU_DABORT_HANDLER
#error Unknown data abort handler type
#endif
#endif

57
arch/arm/include/asm/glue-pf.h Normal file
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@ -0,0 +1,57 @@
/*
* arch/arm/include/asm/glue-pf.h
*
* Copyright (C) 1997-1999 Russell King
* Copyright (C) 2000-2002 Deep Blue Solutions Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef ASM_GLUE_PF_H
#define ASM_GLUE_PF_H
#include <asm/glue.h>
/*
* Prefetch Abort Model
* ================
*
* We have the following to choose from:
* legacy - no IFSR, no IFAR
* v6 - ARMv6: IFSR, no IFAR
* v7 - ARMv7: IFSR and IFAR
*/
#undef CPU_PABORT_HANDLER
#undef MULTI_PABORT
#ifdef CONFIG_CPU_PABRT_LEGACY
# ifdef CPU_PABORT_HANDLER
# define MULTI_PABORT 1
# else
# define CPU_PABORT_HANDLER legacy_pabort
# endif
#endif
#ifdef CONFIG_CPU_PABRT_V6
# ifdef CPU_PABORT_HANDLER
# define MULTI_PABORT 1
# else
# define CPU_PABORT_HANDLER v6_pabort
# endif
#endif
#ifdef CONFIG_CPU_PABRT_V7
# ifdef CPU_PABORT_HANDLER
# define MULTI_PABORT 1
# else
# define CPU_PABORT_HANDLER v7_pabort
# endif
#endif
#ifndef CPU_PABORT_HANDLER
#error Unknown prefetch abort handler type
#endif
#endif

261
arch/arm/include/asm/glue-proc.h Normal file
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@ -0,0 +1,261 @@
/*
* arch/arm/include/asm/glue-proc.h
*
* Copyright (C) 1997-1999 Russell King
* Copyright (C) 2000 Deep Blue Solutions Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef ASM_GLUE_PROC_H
#define ASM_GLUE_PROC_H
#include <asm/glue.h>
/*
* Work out if we need multiple CPU support
*/
#undef MULTI_CPU
#undef CPU_NAME
/*
* CPU_NAME - the prefix for CPU related functions
*/
#ifdef CONFIG_CPU_ARM610
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm6
# endif
#endif
#ifdef CONFIG_CPU_ARM7TDMI
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm7tdmi
# endif
#endif
#ifdef CONFIG_CPU_ARM710
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm7
# endif
#endif
#ifdef CONFIG_CPU_ARM720T
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm720
# endif
#endif
#ifdef CONFIG_CPU_ARM740T
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm740
# endif
#endif
#ifdef CONFIG_CPU_ARM9TDMI
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm9tdmi
# endif
#endif
#ifdef CONFIG_CPU_ARM920T
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm920
# endif
#endif
#ifdef CONFIG_CPU_ARM922T
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm922
# endif
#endif
#ifdef CONFIG_CPU_FA526
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_fa526
# endif
#endif
#ifdef CONFIG_CPU_ARM925T
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm925
# endif
#endif
#ifdef CONFIG_CPU_ARM926T
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm926
# endif
#endif
#ifdef CONFIG_CPU_ARM940T
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm940
# endif
#endif
#ifdef CONFIG_CPU_ARM946E
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm946
# endif
#endif
#ifdef CONFIG_CPU_SA110
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_sa110
# endif
#endif
#ifdef CONFIG_CPU_SA1100
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_sa1100
# endif
#endif
#ifdef CONFIG_CPU_ARM1020
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm1020
# endif
#endif
#ifdef CONFIG_CPU_ARM1020E
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm1020e
# endif
#endif
#ifdef CONFIG_CPU_ARM1022
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm1022
# endif
#endif
#ifdef CONFIG_CPU_ARM1026
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm1026
# endif
#endif
#ifdef CONFIG_CPU_XSCALE
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_xscale
# endif
#endif
#ifdef CONFIG_CPU_XSC3
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_xsc3
# endif
#endif
#ifdef CONFIG_CPU_MOHAWK
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_mohawk
# endif
#endif
#ifdef CONFIG_CPU_FEROCEON
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_feroceon
# endif
#endif
#ifdef CONFIG_CPU_V6
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_v6
# endif
#endif
#ifdef CONFIG_CPU_V7
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_v7
# endif
#endif
#ifndef MULTI_CPU
#define cpu_proc_init __glue(CPU_NAME,_proc_init)
#define cpu_proc_fin __glue(CPU_NAME,_proc_fin)
#define cpu_reset __glue(CPU_NAME,_reset)
#define cpu_do_idle __glue(CPU_NAME,_do_idle)
#define cpu_dcache_clean_area __glue(CPU_NAME,_dcache_clean_area)
#define cpu_do_switch_mm __glue(CPU_NAME,_switch_mm)
#define cpu_set_pte_ext __glue(CPU_NAME,_set_pte_ext)
#endif
#endif

138
arch/arm/include/asm/glue.h
View File

@ -15,7 +15,6 @@
*/
#ifdef __KERNEL__
#ifdef __STDC__
#define ____glue(name,fn) name##fn
#else
@ -23,141 +22,4 @@
#endif
#define __glue(name,fn) ____glue(name,fn)
/*
* Data Abort Model
* ================
*
* We have the following to choose from:
* arm6 - ARM6 style
* arm7 - ARM7 style
* v4_early - ARMv4 without Thumb early abort handler
* v4t_late - ARMv4 with Thumb late abort handler
* v4t_early - ARMv4 with Thumb early abort handler
* v5tej_early - ARMv5 with Thumb and Java early abort handler
* xscale - ARMv5 with Thumb with Xscale extensions
* v6_early - ARMv6 generic early abort handler
* v7_early - ARMv7 generic early abort handler
*/
#undef CPU_DABORT_HANDLER
#undef MULTI_DABORT
#if defined(CONFIG_CPU_ARM610)
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER cpu_arm6_data_abort
# endif
#endif
#if defined(CONFIG_CPU_ARM710)
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER cpu_arm7_data_abort
# endif
#endif
#ifdef CONFIG_CPU_ABRT_LV4T
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER v4t_late_abort
# endif
#endif
#ifdef CONFIG_CPU_ABRT_EV4
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER v4_early_abort
# endif
#endif
#ifdef CONFIG_CPU_ABRT_EV4T
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER v4t_early_abort
# endif
#endif
#ifdef CONFIG_CPU_ABRT_EV5TJ
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER v5tj_early_abort
# endif
#endif
#ifdef CONFIG_CPU_ABRT_EV5T
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER v5t_early_abort
# endif
#endif
#ifdef CONFIG_CPU_ABRT_EV6
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER v6_early_abort
# endif
#endif
#ifdef CONFIG_CPU_ABRT_EV7
# ifdef CPU_DABORT_HANDLER
# define MULTI_DABORT 1
# else
# define CPU_DABORT_HANDLER v7_early_abort
# endif
#endif
#ifndef CPU_DABORT_HANDLER
#error Unknown data abort handler type
#endif
/*
* Prefetch Abort Model
* ================
*
* We have the following to choose from:
* legacy - no IFSR, no IFAR
* v6 - ARMv6: IFSR, no IFAR
* v7 - ARMv7: IFSR and IFAR
*/
#undef CPU_PABORT_HANDLER
#undef MULTI_PABORT
#ifdef CONFIG_CPU_PABRT_LEGACY
# ifdef CPU_PABORT_HANDLER
# define MULTI_PABORT 1
# else
# define CPU_PABORT_HANDLER legacy_pabort
# endif
#endif
#ifdef CONFIG_CPU_PABRT_V6
# ifdef CPU_PABORT_HANDLER
# define MULTI_PABORT 1
# else
# define CPU_PABORT_HANDLER v6_pabort
# endif
#endif
#ifdef CONFIG_CPU_PABRT_V7
# ifdef CPU_PABORT_HANDLER
# define MULTI_PABORT 1
# else
# define CPU_PABORT_HANDLER v7_pabort
# endif
#endif
#ifndef CPU_PABORT_HANDLER
#error Unknown prefetch abort handler type
#endif
#endif

303
arch/arm/include/asm/proc-fns.h
View File

@ -13,248 +13,77 @@
#ifdef __KERNEL__
/*
* Work out if we need multiple CPU support
*/
#undef MULTI_CPU
#undef CPU_NAME
/*
* CPU_NAME - the prefix for CPU related functions
*/
#ifdef CONFIG_CPU_ARM610
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm6
# endif
#endif
#ifdef CONFIG_CPU_ARM7TDMI
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm7tdmi
# endif
#endif
#ifdef CONFIG_CPU_ARM710
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm7
# endif
#endif
#ifdef CONFIG_CPU_ARM720T
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm720
# endif
#endif
#ifdef CONFIG_CPU_ARM740T
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm740
# endif
#endif
#ifdef CONFIG_CPU_ARM9TDMI
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm9tdmi
# endif
#endif
#ifdef CONFIG_CPU_ARM920T
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm920
# endif
#endif
#ifdef CONFIG_CPU_ARM922T
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm922
# endif
#endif
#ifdef CONFIG_CPU_FA526
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_fa526
# endif
#endif
#ifdef CONFIG_CPU_ARM925T
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm925
# endif
#endif
#ifdef CONFIG_CPU_ARM926T
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm926
# endif
#endif
#ifdef CONFIG_CPU_ARM940T
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm940
# endif
#endif
#ifdef CONFIG_CPU_ARM946E
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm946
# endif
#endif
#ifdef CONFIG_CPU_SA110
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_sa110
# endif
#endif
#ifdef CONFIG_CPU_SA1100
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_sa1100
# endif
#endif
#ifdef CONFIG_CPU_ARM1020
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm1020
# endif
#endif
#ifdef CONFIG_CPU_ARM1020E
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm1020e
# endif
#endif
#ifdef CONFIG_CPU_ARM1022
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm1022
# endif
#endif
#ifdef CONFIG_CPU_ARM1026
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_arm1026
# endif
#endif
#ifdef CONFIG_CPU_XSCALE
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_xscale
# endif
#endif
#ifdef CONFIG_CPU_XSC3
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_xsc3
# endif
#endif
#ifdef CONFIG_CPU_MOHAWK
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_mohawk
# endif
#endif
#ifdef CONFIG_CPU_FEROCEON
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_feroceon
# endif
#endif
#ifdef CONFIG_CPU_V6
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_v6
# endif
#endif
#ifdef CONFIG_CPU_V7
# ifdef CPU_NAME
# undef MULTI_CPU
# define MULTI_CPU
# else
# define CPU_NAME cpu_v7
# endif
#endif
#include <asm/glue-proc.h>
#include <asm/page.h>
#ifndef __ASSEMBLY__
struct mm_struct;
/*
* Don't change this structure - ASM code relies on it.
*/
extern struct processor {
/* MISC
* get data abort address/flags
*/
void (*_data_abort)(unsigned long pc);
/*
* Retrieve prefetch fault address
*/
unsigned long (*_prefetch_abort)(unsigned long lr);
/*
* Set up any processor specifics
*/
void (*_proc_init)(void);
/*
* Disable any processor specifics
*/
void (*_proc_fin)(void);
/*
* Special stuff for a reset
*/
void (*reset)(unsigned long addr) __attribute__((noreturn));
/*
* Idle the processor
*/
int (*_do_idle)(void);
/*
* Processor architecture specific
*/
/*
* clean a virtual address range from the
* D-cache without flushing the cache.
*/
void (*dcache_clean_area)(void *addr, int size);
/*
* Set the page table
*/
void (*switch_mm)(unsigned long pgd_phys, struct mm_struct *mm);
/*
* Set a possibly extended PTE. Non-extended PTEs should
* ignore 'ext'.
*/
void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext);
} processor;
#ifndef MULTI_CPU
#include <asm/cpu-single.h>
extern void cpu_proc_init(void);
extern void cpu_proc_fin(void);
extern int cpu_do_idle(void);
extern void cpu_dcache_clean_area(void *, int);
extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm);
extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext);
extern void cpu_reset(unsigned long addr) __attribute__((noreturn));
#else
#include <asm/cpu-multi32.h>
#define cpu_proc_init() processor._proc_init()
#define cpu_proc_fin() processor._proc_fin()
#define cpu_reset(addr) processor.reset(addr)
#define cpu_do_idle() processor._do_idle()
#define cpu_dcache_clean_area(addr,sz) processor.dcache_clean_area(addr,sz)
#define cpu_set_pte_ext(ptep,pte,ext) processor.set_pte_ext(ptep,pte,ext)
#define cpu_do_switch_mm(pgd,mm) processor.switch_mm(pgd,mm)
#endif
#include <asm/memory.h>

2
arch/arm/kernel/asm-offsets.c
View File

@ -13,6 +13,8 @@
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/dma-mapping.h>
#include <asm/glue-df.h>
#include <asm/glue-pf.h>
#include <asm/mach/arch.h>
#include <asm/thread_info.h>
#include <asm/memory.h>

3
arch/arm/kernel/entry-armv.S
View File

@ -16,7 +16,8 @@
*/
#include <asm/memory.h>
#include <asm/glue.h>
#include <asm/glue-df.h>
#include <asm/glue-pf.h>
#include <asm/vfpmacros.h>
#include <mach/entry-macro.S>
#include <asm/thread_notify.h>