kernel-ark/include/asm-blackfin/mmu.h
Bernd Schmidt b97b8a9983 [Blackfin] arch: Initial checkin of the memory protection support.
Enable it with CONFIG_MPU.

Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2008-01-27 18:39:16 +08:00

33 lines
666 B
C

#ifndef __MMU_H
#define __MMU_H
/* Copyright (C) 2002, David McCullough <davidm@snapgear.com> */
struct sram_list_struct {
struct sram_list_struct *next;
void *addr;
size_t length;
};
typedef struct {
struct vm_list_struct *vmlist;
unsigned long end_brk;
unsigned long stack_start;
/* Points to the location in SDRAM where the L1 stack is normally
saved, or NULL if the stack is always in SDRAM. */
void *l1_stack_save;
struct sram_list_struct *sram_list;
#ifdef CONFIG_BINFMT_ELF_FDPIC
unsigned long exec_fdpic_loadmap;
unsigned long interp_fdpic_loadmap;
#endif
#ifdef CONFIG_MPU
unsigned long *page_rwx_mask;
#endif
} mm_context_t;
#endif