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cpu-multi32.h

/*
 *  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.
 */
00018 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)

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