| 1 | /* |
| 2 | * Copyright 2004-2009 Analog Devices Inc. |
| 3 | * |
| 4 | * Licensed under the GPL-2 or later. |
| 5 | */ |
| 6 | |
| 7 | #ifndef _BLACKFIN_SECTIONS_H |
| 8 | #define _BLACKFIN_SECTIONS_H |
| 9 | |
| 10 | /* only used when MTD_UCLINUX */ |
| 11 | extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size; |
| 12 | |
| 13 | extern unsigned long _ramstart, _ramend, _rambase; |
| 14 | extern unsigned long memory_start, memory_end, physical_mem_end; |
| 15 | |
| 16 | extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[], |
| 17 | _ebss_l1[], _l1_lma_start[], _sdata_b_l1[], _sbss_b_l1[], _ebss_b_l1[], |
| 18 | _stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[], _sbss_l2[], |
| 19 | _ebss_l2[], _l2_lma_start[]; |
| 20 | |
| 21 | #include <asm/mem_map.h> |
| 22 | |
| 23 | /* Blackfin systems have discontinuous memory map and no virtualized memory */ |
| 24 | static inline int arch_is_kernel_text(unsigned long addr) |
| 25 | { |
| 26 | return |
| 27 | (L1_CODE_LENGTH && |
| 28 | addr >= (unsigned long)_stext_l1 && |
| 29 | addr < (unsigned long)_etext_l1) |
| 30 | || |
| 31 | (L2_LENGTH && |
| 32 | addr >= (unsigned long)_stext_l2 && |
| 33 | addr < (unsigned long)_etext_l2); |
| 34 | } |
| 35 | #define arch_is_kernel_text(addr) arch_is_kernel_text(addr) |
| 36 | |
| 37 | static inline int arch_is_kernel_data(unsigned long addr) |
| 38 | { |
| 39 | return |
| 40 | (L1_DATA_A_LENGTH && |
| 41 | addr >= (unsigned long)_sdata_l1 && |
| 42 | addr < (unsigned long)_ebss_l1) |
| 43 | || |
| 44 | (L1_DATA_B_LENGTH && |
| 45 | addr >= (unsigned long)_sdata_b_l1 && |
| 46 | addr < (unsigned long)_ebss_b_l1) |
| 47 | || |
| 48 | (L2_LENGTH && |
| 49 | addr >= (unsigned long)_sdata_l2 && |
| 50 | addr < (unsigned long)_ebss_l2); |
| 51 | } |
| 52 | #define arch_is_kernel_data(addr) arch_is_kernel_data(addr) |
| 53 | |
| 54 | #include <asm-generic/sections.h> |
| 55 | |
| 56 | #endif |