/* * 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[]; #ifdef CONFIG_ROMKERNEL extern char _data_lma[], _data_len[], _sinitdata[], _einitdata[], _init_data_lma[], _init_data_len[]; #endif 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