| /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; |
| /branches/arm/kernel/arch/arm32/src/exception.c |
|---|
| 60,21 → 60,6 |
| #define EXC_VECTORS_SIZE (EXC_VECTORS * 4) |
| /** 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; |
| /** Switches to kernel stack and saves all registers there. |
| * |
| * Temporary exception stack is used to save a few registers |
| /branches/arm/kernel/arch/arm32/src/arm32.c |
|---|
| 53,14 → 53,7 |
| /** Information about loaded tasks. */ |
| bootinfo_t bootinfo; |
| /** Temporary exception stack pointer. |
| * |
| * Temporary stack is used in exceptions handling routines |
| * before switching to thread's kernel stack. |
| */ |
| extern uintptr_t supervisor_sp; |
| /** Performs arm32 specific initialization before main_bsp() is called. */ |
| void arch_pre_main(void) |
| { |