diff options
Diffstat (limited to 'cpu/ixp')
| -rw-r--r-- | cpu/ixp/interrupts.c | 132 |
1 files changed, 4 insertions, 128 deletions
diff --git a/cpu/ixp/interrupts.c b/cpu/ixp/interrupts.c index 2dd9561..84fe937 100644 --- a/cpu/ixp/interrupts.c +++ b/cpu/ixp/interrupts.c @@ -33,6 +33,8 @@ #include <asm/arch/ixp425.h> #ifdef CONFIG_USE_IRQ +#include <asm/proc-armv/ptrace.h> + /* * When interrupts are enabled, use timer 2 for time/delay generation... */ @@ -50,34 +52,6 @@ static struct _irq_handler IRQ_HANDLER[N_IRQS]; static volatile ulong timestamp; -/* enable IRQ/FIQ interrupts */ -void enable_interrupts(void) -{ - unsigned long temp; - __asm__ __volatile__("mrs %0, cpsr\n" - "bic %0, %0, #0x80\n" - "msr cpsr_c, %0" - : "=r" (temp) - : - : "memory"); -} - -/* - * disable IRQ/FIQ interrupts - * returns true if interrupts had been enabled before we disabled them - */ -int disable_interrupts(void) -{ - unsigned long old,temp; - __asm__ __volatile__("mrs %0, cpsr\n" - "orr %1, %0, #0x80\n" - "msr cpsr_c, %1" - : "=r" (old), "=r" (temp) - : - : "memory"); - return (old & 0x80) == 0; -} - static void default_isr(void *data) { printf("default_isr(): called for IRQ %d, Interrupt Status=%x PR=%x\n", @@ -111,114 +85,16 @@ void reset_timer (void) timestamp = 0; } -#else /* #ifdef CONFIG_USE_IRQ */ -void enable_interrupts (void) -{ - return; -} -int disable_interrupts (void) -{ - return 0; -} #endif /* #ifdef CONFIG_USE_IRQ */ -void bad_mode (void) -{ - panic ("Resetting CPU ...\n"); - reset_cpu (0); -} - -void show_regs (struct pt_regs *regs) -{ - unsigned long flags; - const char *processor_modes[] = { - "USER_26", "FIQ_26", "IRQ_26", "SVC_26", - "UK4_26", "UK5_26", "UK6_26", "UK7_26", - "UK8_26", "UK9_26", "UK10_26", "UK11_26", - "UK12_26", "UK13_26", "UK14_26", "UK15_26", - "USER_32", "FIQ_32", "IRQ_32", "SVC_32", - "UK4_32", "UK5_32", "UK6_32", "ABT_32", - "UK8_32", "UK9_32", "UK10_32", "UND_32", - "UK12_32", "UK13_32", "UK14_32", "SYS_32" - }; - - flags = condition_codes (regs); - - printf ("pc : [<%08lx>] lr : [<%08lx>]\n" - "sp : %08lx ip : %08lx fp : %08lx\n", - instruction_pointer (regs), - regs->ARM_lr, regs->ARM_sp, regs->ARM_ip, regs->ARM_fp); - printf ("r10: %08lx r9 : %08lx r8 : %08lx\n", - regs->ARM_r10, regs->ARM_r9, regs->ARM_r8); - printf ("r7 : %08lx r6 : %08lx r5 : %08lx r4 : %08lx\n", - regs->ARM_r7, regs->ARM_r6, regs->ARM_r5, regs->ARM_r4); - printf ("r3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n", - regs->ARM_r3, regs->ARM_r2, regs->ARM_r1, regs->ARM_r0); - printf ("Flags: %c%c%c%c", - flags & CC_N_BIT ? 'N' : 'n', - flags & CC_Z_BIT ? 'Z' : 'z', - flags & CC_C_BIT ? 'C' : 'c', flags & CC_V_BIT ? 'V' : 'v'); - printf (" IRQs %s FIQs %s Mode %s%s\n", - interrupts_enabled (regs) ? "on" : "off", - fast_interrupts_enabled (regs) ? "on" : "off", - processor_modes[processor_mode (regs)], - thumb_mode (regs) ? " (T)" : ""); -} - -void do_undefined_instruction (struct pt_regs *pt_regs) -{ - printf ("undefined instruction\n"); - show_regs (pt_regs); - bad_mode (); -} - -void do_software_interrupt (struct pt_regs *pt_regs) -{ - printf ("software interrupt\n"); - show_regs (pt_regs); - bad_mode (); -} - -void do_prefetch_abort (struct pt_regs *pt_regs) -{ - printf ("prefetch abort\n"); - show_regs (pt_regs); - bad_mode (); -} - -void do_data_abort (struct pt_regs *pt_regs) -{ - printf ("data abort\n"); - show_regs (pt_regs); - bad_mode (); -} - -void do_not_used (struct pt_regs *pt_regs) -{ - printf ("not used\n"); - show_regs (pt_regs); - bad_mode (); -} - -void do_fiq (struct pt_regs *pt_regs) -{ - printf ("fast interrupt request\n"); - show_regs (pt_regs); - printf("IRQ=%08lx FIQ=%08lx\n", *IXP425_ICIH, *IXP425_ICFH); -} - +#ifdef CONFIG_USE_IRQ void do_irq (struct pt_regs *pt_regs) { -#ifdef CONFIG_USE_IRQ int irq = next_irq(); IRQ_HANDLER[irq].m_func(IRQ_HANDLER[irq].m_data); -#else - printf ("interrupt request\n"); - show_regs (pt_regs); - bad_mode (); -#endif } +#endif int interrupt_init (void) { |