sections.h 1.4 KB

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