2 * Copyright 2004-2009 Analog Devices Inc.
4 * Licensed under the GPL-2 or later.
7 #ifndef _BLACKFIN_SECTIONS_H
8 #define _BLACKFIN_SECTIONS_H
10 /* only used when MTD_UCLINUX */
11 extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size;
13 extern unsigned long _ramstart, _ramend, _rambase;
14 extern unsigned long memory_start, memory_end, physical_mem_end;
17 * The weak markings on the lengths might seem weird, but this is required
18 * in order to make gcc accept the fact that these may actually have a value
19 * of 0 (since they aren't actually addresses, but sizes of sections).
21 extern char _stext_l1[], _etext_l1[], _text_l1_lma[], __weak _text_l1_len[];
22 extern char _sdata_l1[], _edata_l1[], _sbss_l1[], _ebss_l1[],
23 _data_l1_lma[], __weak _data_l1_len[];
24 extern char _sdata_b_l1[], _edata_b_l1[], _sbss_b_l1[], _ebss_b_l1[],
25 _data_b_l1_lma[], __weak _data_b_l1_len[];
26 extern char _stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[],
27 _sbss_l2[], _ebss_l2[], _l2_lma[], __weak _l2_len[];
29 #include <asm/mem_map.h>
31 /* Blackfin systems have discontinuous memory map and no virtualized memory */
32 static inline int arch_is_kernel_text(unsigned long addr)
36 addr >= (unsigned long)_stext_l1 &&
37 addr < (unsigned long)_etext_l1)
40 addr >= (unsigned long)_stext_l2 &&
41 addr < (unsigned long)_etext_l2);
43 #define arch_is_kernel_text(addr) arch_is_kernel_text(addr)
45 static inline int arch_is_kernel_data(unsigned long addr)
49 addr >= (unsigned long)_sdata_l1 &&
50 addr < (unsigned long)_ebss_l1)
53 addr >= (unsigned long)_sdata_b_l1 &&
54 addr < (unsigned long)_ebss_b_l1)
57 addr >= (unsigned long)_sdata_l2 &&
58 addr < (unsigned long)_ebss_l2);
60 #define arch_is_kernel_data(addr) arch_is_kernel_data(addr)
62 #include <asm-generic/sections.h>