arch/blackfin/include/asm/sections.h

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