include/asm-arm26/proc-fns.h

   1 /*
   2  *  linux/include/asm-arm26/proc-fns.h
   3  *
   4  *  Copyright (C) 2000 Russell King
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10 #ifndef __ASSEMBLY__
  11
  12 #include <asm/page.h>
  13
  14 /*
  15  * Don't change this structure - ASM code
  16  * relies on it.
  17  */
  18 extern struct processor {
  19         /* check for any bugs */
  20         void (*_check_bugs)(void);
  21         /* Set up any processor specifics */
  22         void (*_proc_init)(void);
  23         /* Disable any processor specifics */
  24         void (*_proc_fin)(void);
  25         /* set the MEMC hardware mappings */
  26         void (*_set_pgd)(pgd_t *pgd);
  27         /* XCHG */
  28         unsigned long (*_xchg_1)(unsigned long x, volatile void *ptr);
  29         unsigned long (*_xchg_4)(unsigned long x, volatile void *ptr);
  30 } processor;
  31
  32 extern const struct processor arm2_processor_functions;
  33 extern const struct processor arm250_processor_functions;
  34 extern const struct processor arm3_processor_functions;
  35
  36 #define cpu_check_bugs()                        processor._check_bugs()
  37 #define cpu_proc_init()                         processor._proc_init()
  38 #define cpu_proc_fin()                          processor._proc_fin()
  39 #define cpu_do_idle()                           do { } while (0)
  40 #define cpu_switch_mm(pgd,mm)                   processor._set_pgd(pgd)
  41 #define cpu_xchg_1(x,ptr)                       processor._xchg_1(x,ptr)
  42 #define cpu_xchg_4(x,ptr)                       processor._xchg_4(x,ptr)
  43
  44
  45 //FIXME - these shouldnt be in proc-fn.h
  46 extern void cpu_memc_update_all(pgd_t *pgd);
  47 extern void cpu_memc_update_entry(pgd_t *pgd, unsigned long phys_pte, unsigned long log_addr);
  48
  49 #endif