diff options
| author | Pixel <pixel@nobis-crew.org> | 2011-01-27 01:09:21 -0800 |
|---|---|---|
| committer | Pixel <pixel@nobis-crew.org> | 2011-01-27 01:09:21 -0800 |
| commit | bcb852cbc842433576945044590b8716932acbd4 (patch) | |
| tree | 5843e100015010b03b5fe5b4641b19bf0323d86c /arch/arm | |
| parent | e1122d5200cec30e239b18278e2bb5c7ec97a72b (diff) | |
Blah. I can't code with stack anymore it seems. Fixing the crash handler so that SP, and R4-R11 are properly displayed.
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/lpc17xx/handlers.c | 9 | ||||
| -rw-r--r-- | arch/arm/lpc17xx/startup.s | 1 |
2 files changed, 5 insertions, 5 deletions
diff --git a/arch/arm/lpc17xx/handlers.c b/arch/arm/lpc17xx/handlers.c index 59a297b..faee7f9 100644 --- a/arch/arm/lpc17xx/handlers.c +++ b/arch/arm/lpc17xx/handlers.c @@ -6,18 +6,17 @@ enum FaultType { }; struct fault_data_t { - uint32_t r0, r1, r2, r3, r12, lr, pc, xPSR, r4, r5, r6, r7, r8, r9, r10, r11; + uint32_t r4, r5, r6, r7, r8, r9, r10, r11, r0, r1, r2, r3, r12, lr, pc, xPSR; }; static void print_fault_data(struct fault_data_t * fault_data) { // These ones are saved naturally by the CPU DBGOUT("pc: %p\r\n", fault_data->pc); - DBGOUT("sp = %p - lr = %p - r12 = %p -xPSR = %p\r\n", fault_data, fault_data->lr, fault_data->r12, fault_data->xPSR); + DBGOUT("sp = %p - lr = %p - r12 = %p -xPSR = %p\r\n", fault_data + 1, fault_data->lr, fault_data->r12, fault_data->xPSR); DBGOUT("r0 = %p - r1 = %p - r2 = %p - r3 = %p\r\n", fault_data->r0, fault_data->r1, fault_data->r2, fault_data->r3); - // These ones are saved by the ASM handler; not sure if they are proper + // These ones are saved by the ASM handler; hence the reason they are before in memory. DBGOUT("r4 = %p - r5 = %p - r6 = %p - r7 = %p\r\n", fault_data->r4, fault_data->r5, fault_data->r6, fault_data->r7); - // Huh ? This read crashes the CPU... (cf previous comment) -// DBGOUT("r8 = %p - r9 = %p - r10 = %p - r11 = %p\r\n", fault_data->r8, fault_data->r9, fault_data->r10, fault_data->r11); + DBGOUT("r8 = %p - r9 = %p - r10 = %p - r11 = %p\r\n", fault_data->r8, fault_data->r9, fault_data->r10, fault_data->r11); } void general_C_handler(enum FaultType fault, struct fault_data_t * fault_data) { diff --git a/arch/arm/lpc17xx/startup.s b/arch/arm/lpc17xx/startup.s index 7537531..e7c5311 100644 --- a/arch/arm/lpc17xx/startup.s +++ b/arch/arm/lpc17xx/startup.s @@ -146,6 +146,7 @@ UsageFault_Handler: .type general_handler, %function general_handler: MOV R1, SP + SUB R1, #32 PUSH {R4-R11} B general_C_handler |