| /branches/arm/kernel/arch/arm32/include/exception.h |
|---|
| 68,6 → 68,22 |
| #define EXC_FIQ 6 |
| /** Kernel stack pointer. |
| * |
| * It is set when thread switches to user mode, |
| * and then used for exception handling. |
| */ |
| extern uintptr_t supervisor_sp; |
| /** Temporary exception stack pointer. |
| * |
| * Temporary stack is used in exceptions handling routines |
| * before switching to thread's kernel stack. |
| */ |
| extern uintptr_t exc_stack; |
| /** Structure representing CPU state saved when an exception occurs. */ |
| typedef struct { |
| uint32_t spsr; |