diff options
Diffstat (limited to 'arch/arm/lib/interrupts.c')
-rw-r--r-- | arch/arm/lib/interrupts.c | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/arch/arm/lib/interrupts.c b/arch/arm/lib/interrupts.c index ed83043abb..066c172bb3 100644 --- a/arch/arm/lib/interrupts.c +++ b/arch/arm/lib/interrupts.c @@ -26,75 +26,6 @@ DECLARE_GLOBAL_DATA_PTR; -#ifdef CONFIG_USE_IRQ -int interrupt_init (void) -{ - unsigned long cpsr; - - /* - * setup up stacks if necessary - */ - IRQ_STACK_START = gd->irq_sp - 4; - IRQ_STACK_START_IN = gd->irq_sp + 8; - FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ; - - - __asm__ __volatile__("mrs %0, cpsr\n" - : "=r" (cpsr) - : - : "memory"); - - __asm__ __volatile__("msr cpsr_c, %0\n" - "mov sp, %1\n" - : - : "r" (IRQ_MODE | I_BIT | F_BIT | (cpsr & ~FIQ_MODE)), - "r" (IRQ_STACK_START) - : "memory"); - - __asm__ __volatile__("msr cpsr_c, %0\n" - "mov sp, %1\n" - : - : "r" (FIQ_MODE | I_BIT | F_BIT | (cpsr & ~IRQ_MODE)), - "r" (FIQ_STACK_START) - : "memory"); - - __asm__ __volatile__("msr cpsr_c, %0" - : - : "r" (cpsr) - : "memory"); - - return arch_interrupt_init(); -} - -/* enable IRQ 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, #0xc0\n" - "msr cpsr_c, %1" - : "=r" (old), "=r" (temp) - : - : "memory"); - return (old & 0x80) == 0; -} -#else int interrupt_init (void) { /* @@ -113,8 +44,6 @@ int disable_interrupts (void) { return 0; } -#endif - void bad_mode (void) { @@ -212,7 +141,6 @@ void do_fiq (struct pt_regs *pt_regs) bad_mode (); } -#ifndef CONFIG_USE_IRQ void do_irq (struct pt_regs *pt_regs) { efi_restore_gd(); @@ -220,4 +148,3 @@ void do_irq (struct pt_regs *pt_regs) show_regs (pt_regs); bad_mode (); } -#endif |