diff options
Diffstat (limited to 'arch/microblaze/kernel')
| -rw-r--r-- | arch/microblaze/kernel/hw_exception_handler.S | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S index 782680d..ec5e99d 100644 --- a/arch/microblaze/kernel/hw_exception_handler.S +++ b/arch/microblaze/kernel/hw_exception_handler.S @@ -77,6 +77,8 @@ #include <asm/signal.h> #include <asm/asm-offsets.h> +#undef DEBUG + /* Helpful Macros */ #define NUM_TO_REG(num) r ## num @@ -228,6 +230,16 @@ /* wrappers to restore state before coming to entry.S */ #ifdef CONFIG_MMU +#ifdef DEBUG +/* Create space for exception counting. */ +.section .data +.global exception_debug_table +.align 4 +exception_debug_table: + /* Look at exception vector table. There is 32 exceptions * word size */ + .space (32 * 4) +#endif /* DEBUG */ + .section .rodata .align 4 _MB_HW_ExceptionVectorTable: @@ -329,12 +341,12 @@ not_in_delay_slot: #ifdef DEBUG /* counting which exception happen */ - lwi r5, r0, 0x200 + TOPHYS(r0_ram) + lwi r5, r0, TOPHYS(exception_debug_table) addi r5, r5, 1 - swi r5, r0, 0x200 + TOPHYS(r0_ram) - lwi r5, r6, 0x200 + TOPHYS(r0_ram) + swi r5, r0, TOPHYS(exception_debug_table) + lwi r5, r6, TOPHYS(exception_debug_table) addi r5, r5, 1 - swi r5, r6, 0x200 + TOPHYS(r0_ram) + swi r5, r6, TOPHYS(exception_debug_table) #endif /* end */ /* Load the HW Exception vector */ |