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48d7927bdf
This patch adds a prefetch abort handler similar to the data abort one and renames the latter for consistency. Initial implementation by Paul Brook with some renaming by Catalin Marinas. Signed-off-by: Paul Brook <paul@codesourcery.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/*
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* linux/include/asm-arm/cpu-multi32.h
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*
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* Copyright (C) 2000 Russell King
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <asm/page.h>
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struct mm_struct;
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/*
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* Don't change this structure - ASM code
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* relies on it.
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*/
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extern struct processor {
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/* MISC
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* get data abort address/flags
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*/
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void (*_data_abort)(unsigned long pc);
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/*
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* Retrieve prefetch fault address
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*/
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unsigned long (*_prefetch_abort)(unsigned long lr);
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/*
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* Set up any processor specifics
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*/
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void (*_proc_init)(void);
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/*
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* Disable any processor specifics
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*/
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void (*_proc_fin)(void);
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/*
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* Special stuff for a reset
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*/
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void (*reset)(unsigned long addr) __attribute__((noreturn));
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/*
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* Idle the processor
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*/
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int (*_do_idle)(void);
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/*
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* Processor architecture specific
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*/
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/*
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* clean a virtual address range from the
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* D-cache without flushing the cache.
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*/
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void (*dcache_clean_area)(void *addr, int size);
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/*
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* Set the page table
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*/
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void (*switch_mm)(unsigned long pgd_phys, struct mm_struct *mm);
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/*
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* Set a possibly extended PTE. Non-extended PTEs should
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* ignore 'ext'.
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*/
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void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext);
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} processor;
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#define cpu_proc_init() processor._proc_init()
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#define cpu_proc_fin() processor._proc_fin()
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#define cpu_reset(addr) processor.reset(addr)
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#define cpu_do_idle() processor._do_idle()
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#define cpu_dcache_clean_area(addr,sz) processor.dcache_clean_area(addr,sz)
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#define cpu_set_pte_ext(ptep,pte,ext) processor.set_pte_ext(ptep,pte,ext)
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#define cpu_do_switch_mm(pgd,mm) processor.switch_mm(pgd,mm)
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