arch/blackfin/include/asm/mmu.h

   1 /*
   2  * Copyright 2004-2009 Analog Devices Inc.
   3  *                2002 David McCullough <davidm@snapgear.com>
   4  *
   5  * Licensed under the GPL-2.
   6  */
   7
   8 #ifndef __MMU_H
   9 #define __MMU_H
  10
  11 struct sram_list_struct {
  12         struct sram_list_struct *next;
  13         void *addr;
  14         size_t length;
  15 };
  16
  17 typedef struct {
  18         unsigned long end_brk;
  19         unsigned long stack_start;
  20
  21         /* Points to the location in SDRAM where the L1 stack is normally
  22            saved, or NULL if the stack is always in SDRAM.  */
  23         void *l1_stack_save;
  24
  25         struct sram_list_struct *sram_list;
  26
  27 #ifdef CONFIG_BINFMT_ELF_FDPIC
  28         unsigned long   exec_fdpic_loadmap;
  29         unsigned long   interp_fdpic_loadmap;
  30 #endif
  31 #ifdef CONFIG_MPU
  32         unsigned long *page_rwx_mask;
  33 #endif
  34 } mm_context_t;
  35
  36 #endif