bfin_l1layout.h 601 B

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  1. #define L1_SCRATCH_START 0xFFB00000
  2. /* Data that is "mapped" into the process VM at the start of the L1 scratch
  3. memory, so that each process can access it at a fixed address. Used for
  4. stack checking. */
  5. struct l1_scratch_task_info
  6. {
  7. /* Points to the start of the stack. */
  8. void *stack_start;
  9. /* Not updated by the kernel; a user process can modify this to
  10. keep track of the lowest address of the stack pointer during its
  11. runtime. */
  12. void *lowest_sp;
  13. };
  14. /* A pointer to the structure in memory. */
  15. #define L1_SCRATCH_TASK_INFO ((struct l1_scratch_task_info *)L1_SCRATCH_START)