65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*
|
||
* Copyright 2004-2009 Analog Devices Inc.
|
||
*
|
||
* Licensed under the GPL-2 or later.
|
||
*/
|
||
|
||
#ifndef _BLACKFIN_SECTIONS_H
|
||
#define _BLACKFIN_SECTIONS_H
|
||
|
||
/* only used when MTD_UCLINUX */
|
||
extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size;
|
||
|
||
extern unsigned long _ramstart, _ramend, _rambase;
|
||
extern unsigned long memory_start, memory_end, physical_mem_end;
|
||
|
||
/*
|
||
* The weak markings on the lengths might seem weird, but this is required
|
||
* in order to make gcc accept the fact that these may actually have a value
|
||
* of 0 (since they aren't actually addresses, but sizes of sections).
|
||
*/
|
||
extern char _stext_l1[], _etext_l1[], _text_l1_lma[], __weak _text_l1_len[];
|
||
extern char _sdata_l1[], _edata_l1[], _sbss_l1[], _ebss_l1[],
|
||
_data_l1_lma[], __weak _data_l1_len[];
|
||
extern char _sdata_b_l1[], _edata_b_l1[], _sbss_b_l1[], _ebss_b_l1[],
|
||
_data_b_l1_lma[], __weak _data_b_l1_len[];
|
||
extern char _stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[],
|
||
_sbss_l2[], _ebss_l2[], _l2_lma[], __weak _l2_len[];
|
||
|
||
#include <asm/mem_map.h>
|
||
|
||
/* Blackfin systems have discontinuous memory map and no virtualized memory */
|
||
static inline int arch_is_kernel_text(unsigned long addr)
|
||
{
|
||
return
|
||
(L1_CODE_LENGTH &&
|
||
addr >= (unsigned long)_stext_l1 &&
|
||
addr < (unsigned long)_etext_l1)
|
||
||
|
||
(L2_LENGTH &&
|
||
addr >= (unsigned long)_stext_l2 &&
|
||
addr < (unsigned long)_etext_l2);
|
||
}
|
||
#define arch_is_kernel_text(addr) arch_is_kernel_text(addr)
|
||
|
||
static inline int arch_is_kernel_data(unsigned long addr)
|
||
{
|
||
return
|
||
(L1_DATA_A_LENGTH &&
|
||
addr >= (unsigned long)_sdata_l1 &&
|
||
addr < (unsigned long)_ebss_l1)
|
||
||
|
||
(L1_DATA_B_LENGTH &&
|
||
addr >= (unsigned long)_sdata_b_l1 &&
|
||
addr < (unsigned long)_ebss_b_l1)
|
||
||
|
||
(L2_LENGTH &&
|
||
addr >= (unsigned long)_sdata_l2 &&
|
||
addr < (unsigned long)_ebss_l2);
|
||
}
|
||
#define arch_is_kernel_data(addr) arch_is_kernel_data(addr)
|
||
|
||
#include <asm-generic/sections.h>
|
||
|
||
#endif
|