diff options
| -rw-r--r-- | arch/m68k/mac/macints.c | 67 |
1 files changed, 8 insertions, 59 deletions
diff --git a/arch/m68k/mac/macints.c b/arch/m68k/mac/macints.c index 9f98c0871901..f9672bbd566f 100644 --- a/arch/m68k/mac/macints.c +++ b/arch/m68k/mac/macints.c @@ -127,12 +127,9 @@ #define SHUTUP_SONIC -/* - * console_loglevel determines NMI handler function - */ +extern void show_registers(struct pt_regs *); irqreturn_t mac_nmi_handler(int, void *); -irqreturn_t mac_debug_handler(int, void *); /* #define DEBUG_MACINTS */ @@ -276,65 +273,17 @@ static void mac_irq_shutdown(struct irq_data *data) mac_irq_disable(data); } -static int num_debug[8]; - -irqreturn_t mac_debug_handler(int irq, void *dev_id) -{ - if (num_debug[irq] < 10) { - printk("DEBUG: Unexpected IRQ %d\n", irq); - num_debug[irq]++; - } - return IRQ_HANDLED; -} - -static int in_nmi; -static volatile int nmi_hold; +static volatile int in_nmi; irqreturn_t mac_nmi_handler(int irq, void *dev_id) { - int i; - /* - * generate debug output on NMI switch if 'debug' kernel option given - * (only works with Penguin!) - */ - - in_nmi++; - for (i=0; i<100; i++) - udelay(1000); - - if (in_nmi == 1) { - nmi_hold = 1; - printk("... pausing, press NMI to resume ..."); - } else { - printk(" ok!\n"); - nmi_hold = 0; - } + if (in_nmi) + return IRQ_HANDLED; + in_nmi = 1; - barrier(); + pr_info("Non-Maskable Interrupt\n"); + show_registers(get_irq_regs()); - while (nmi_hold == 1) - udelay(1000); - - if (console_loglevel >= 8) { -#if 0 - struct pt_regs *fp = get_irq_regs(); - show_state(); - printk("PC: %08lx\nSR: %04x SP: %p\n", fp->pc, fp->sr, fp); - printk("d0: %08lx d1: %08lx d2: %08lx d3: %08lx\n", - fp->d0, fp->d1, fp->d2, fp->d3); - printk("d4: %08lx d5: %08lx a0: %08lx a1: %08lx\n", - fp->d4, fp->d5, fp->a0, fp->a1); - - if (STACK_MAGIC != *(unsigned long *)current->kernel_stack_page) - printk("Corrupted stack page\n"); - printk("Process %s (pid: %d, stackpage=%08lx)\n", - current->comm, current->pid, current->kernel_stack_page); - if (intr_count == 1) - dump_stack((struct frame *)fp); -#else - /* printk("NMI "); */ -#endif - } - in_nmi--; + in_nmi = 0; return IRQ_HANDLED; } |