/*
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/*
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* linux/include/asm-arm/proc-fns.h
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* linux/include/asm-arm/proc-fns.h
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*
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*
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* Copyright (C) 1997 Russell King
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* Copyright (C) 1997 Russell King
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*/
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*/
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#ifndef __ASM_PROCFNS_H
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#ifndef __ASM_PROCFNS_H
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#define __ASM_PROCFNS_H
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#define __ASM_PROCFNS_H
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#include <asm/page.h>
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#include <asm/page.h>
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#ifdef __KERNEL__
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#ifdef __KERNEL__
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/*
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/*
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* Don't change this structure
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* Don't change this structure
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*/
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*/
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extern struct processor {
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extern struct processor {
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const char *name;
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const char *name;
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/* MISC
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/* MISC
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*
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*
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* flush caches for task switch
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* flush caches for task switch
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*/
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*/
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void (*_switch_to)(void *prev, void *next);
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void (*_switch_to)(void *prev, void *next);
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/*
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/*
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* get data abort address/flags
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* get data abort address/flags
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*/
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*/
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void (*_data_abort)(unsigned long pc);
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void (*_data_abort)(unsigned long pc);
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/*
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/*
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* check for any bugs
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* check for any bugs
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*/
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*/
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void (*_check_bugs)(void);
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void (*_check_bugs)(void);
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/*
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/*
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* Set up any processor specifics
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* Set up any processor specifics
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*/
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*/
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void (*_proc_init)(void);
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void (*_proc_init)(void);
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/*
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/*
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* Disable any processor specifics
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* Disable any processor specifics
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*/
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*/
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void (*_proc_fin)(void);
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void (*_proc_fin)(void);
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/*
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/*
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* Processor architecture specific
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* Processor architecture specific
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*/
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*/
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union {
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union {
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struct {
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struct {
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/* CACHE
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/* CACHE
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*
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*
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* flush all caches
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* flush all caches
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*/
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*/
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void (*_flush_cache_all)(void);
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void (*_flush_cache_all)(void);
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/*
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/*
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* flush a specific page or pages
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* flush a specific page or pages
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*/
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*/
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void (*_flush_cache_area)(unsigned long address, unsigned long end, int flags);
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void (*_flush_cache_area)(unsigned long address, unsigned long end, int flags);
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/*
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/*
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* flush cache entry for an address
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* flush cache entry for an address
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*/
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*/
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void (*_flush_cache_entry)(unsigned long address);
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void (*_flush_cache_entry)(unsigned long address);
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/*
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/*
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* flush a virtual address used for a page table
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* flush a virtual address used for a page table
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* note D-cache only!
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* note D-cache only!
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*/
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*/
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void (*_flush_cache_pte)(unsigned long address);
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void (*_flush_cache_pte)(unsigned long address);
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/*
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/*
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* flush a page to RAM
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* flush a page to RAM
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*/
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*/
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void (*_flush_ram_page)(unsigned long page);
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void (*_flush_ram_page)(unsigned long page);
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/* TLB
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/* TLB
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*
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*
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* flush all TLBs
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* flush all TLBs
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*/
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*/
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void (*_flush_tlb_all)(void);
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void (*_flush_tlb_all)(void);
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/*
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/*
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* flush a specific TLB
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* flush a specific TLB
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*/
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*/
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void (*_flush_tlb_area)(unsigned long address, unsigned long end, int flags);
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void (*_flush_tlb_area)(unsigned long address, unsigned long end, int flags);
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/*
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/*
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* Set a PMD (handling IMP bit 4)
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* Set a PMD (handling IMP bit 4)
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*/
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*/
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void (*_set_pmd)(pmd_t *pmdp, pmd_t pmd);
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void (*_set_pmd)(pmd_t *pmdp, pmd_t pmd);
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/*
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/*
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* Special stuff for a reset
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* Special stuff for a reset
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*/
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*/
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unsigned long (*reset)(void);
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unsigned long (*reset)(void);
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} armv3v4;
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} armv3v4;
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struct {
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struct {
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/* MEMC
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/* MEMC
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*
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*
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* remap memc tables
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* remap memc tables
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*/
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*/
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void (*_remap_memc)(void *tsk);
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void (*_remap_memc)(void *tsk);
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/*
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/*
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* update task's idea of mmap
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* update task's idea of mmap
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*/
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*/
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void (*_update_map)(void *tsk);
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void (*_update_map)(void *tsk);
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/*
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/*
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* update task's idea after abort
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* update task's idea after abort
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*/
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*/
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void (*_update_mmu_cache)(void *vma, unsigned long addr, pte_t pte);
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void (*_update_mmu_cache)(void *vma, unsigned long addr, pte_t pte);
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/* XCHG
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/* XCHG
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*/
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*/
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unsigned long (*_xchg_1)(unsigned long x, volatile void *ptr);
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unsigned long (*_xchg_1)(unsigned long x, volatile void *ptr);
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unsigned long (*_xchg_2)(unsigned long x, volatile void *ptr);
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unsigned long (*_xchg_2)(unsigned long x, volatile void *ptr);
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unsigned long (*_xchg_4)(unsigned long x, volatile void *ptr);
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unsigned long (*_xchg_4)(unsigned long x, volatile void *ptr);
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} armv2;
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} armv2;
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} u;
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} u;
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} processor;
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} processor;
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#endif
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#endif
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#endif
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#endif
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