You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1.5 KiB
46 lines
1.5 KiB
/*
|
|
* Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
|
|
* Licensed under the GPL
|
|
*/
|
|
|
|
#ifndef __TT_UACCESS_H
|
|
#define __TT_UACCESS_H
|
|
|
|
#include "linux/string.h"
|
|
#include "linux/sched.h"
|
|
#include "asm/processor.h"
|
|
#include "asm/errno.h"
|
|
#include "asm/current.h"
|
|
#include "asm/a.out.h"
|
|
#include "uml_uaccess.h"
|
|
|
|
#define ABOVE_KMEM (16 * 1024 * 1024)
|
|
|
|
extern unsigned long end_vm;
|
|
extern unsigned long uml_physmem;
|
|
|
|
#define is_stack(addr, size) \
|
|
(((unsigned long) (addr) < STACK_TOP) && \
|
|
((unsigned long) (addr) >= STACK_TOP - ABOVE_KMEM) && \
|
|
(((unsigned long) (addr) + (size)) <= STACK_TOP))
|
|
|
|
#define access_ok_tt(type, addr, size) \
|
|
(is_stack(addr, size))
|
|
|
|
extern int __do_copy_from_user(void *to, const void *from, int n,
|
|
void **fault_addr, void **fault_catcher);
|
|
extern int __do_strncpy_from_user(char *dst, const char *src, size_t n,
|
|
void **fault_addr, void **fault_catcher);
|
|
extern int __do_clear_user(void *mem, size_t len, void **fault_addr,
|
|
void **fault_catcher);
|
|
extern int __do_strnlen_user(const char *str, unsigned long n,
|
|
void **fault_addr, void **fault_catcher);
|
|
|
|
extern int copy_from_user_tt(void *to, const void __user *from, int n);
|
|
extern int copy_to_user_tt(void __user *to, const void *from, int n);
|
|
extern int strncpy_from_user_tt(char *dst, const char __user *src, int count);
|
|
extern int __clear_user_tt(void __user *mem, int len);
|
|
extern int clear_user_tt(void __user *mem, int len);
|
|
extern int strnlen_user_tt(const void __user *str, int len);
|
|
|
|
#endif
|
|
|