include/asm-arm/cpu-multi32.h

   1 /*
   2  *  linux/include/asm-arm/cpu-multi32.h
   3  *
   4  *  Copyright (C) 2000 Russell King
   5  *  Modified by Hyok S. Choi, 2004
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11 #include <asm/page.h>
  12
  13 struct mm_struct;
  14
  15 /*
  16  * Don't change this structure - ASM code
  17  * relies on it.
  18  */
  19 extern struct processor {
  20         /* MISC
  21          * get data abort address/flags
  22          */
  23         void (*_data_abort)(unsigned long pc);
  24         /*
  25          * Set up any processor specifics
  26          */
  27         void (*_proc_init)(void);
  28         /*
  29          * Disable any processor specifics
  30          */
  31         void (*_proc_fin)(void);
  32         /*
  33          * Special stuff for a reset
  34          */
  35         void (*reset)(unsigned long addr) __attribute__((noreturn));
  36         /*
  37          * Idle the processor
  38          */
  39         int (*_do_idle)(void);
  40         /*
  41          * Processor architecture specific
  42          */
  43         /*
  44          * clean a virtual address range from the
  45          * D-cache without flushing the cache.
  46          */
  47         void (*dcache_clean_area)(void *addr, int size);
  48
  49         /*
  50          * Set the page table
  51          */
  52         void (*switch_mm)(unsigned long pgd_phys, struct mm_struct *mm);
  53 #ifdef CONFIG_MMU
  54         /*
  55          * Set a PTE
  56          */
  57         void (*set_pte)(pte_t *ptep, pte_t pte);
  58 #endif
  59 } processor;
  60
  61 #define cpu_proc_init()                 processor._proc_init()
  62 #define cpu_proc_fin()                  processor._proc_fin()
  63 #define cpu_reset(addr)                 processor.reset(addr)
  64 #define cpu_do_idle()                   processor._do_idle()
  65 #define cpu_dcache_clean_area(addr,sz)  processor.dcache_clean_area(addr,sz)
  66 #ifdef CONFIG_MMU
  67 #define cpu_set_pte(ptep, pte)          processor.set_pte(ptep, pte)
  68 #endif
  69 #define cpu_do_switch_mm(pgd,mm)        processor.switch_mm(pgd,mm)