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