diff options
Diffstat (limited to 'arch/arm/kernel')
| -rw-r--r-- | arch/arm/kernel/entry-armv.S | 17 | ||||
| -rw-r--r-- | arch/arm/kernel/setup.c | 3 |
2 files changed, 18 insertions, 2 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 35f3f20..caa6c39 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -30,6 +30,14 @@ * Interrupt handling. Preserves r7, r8, r9 */ .macro irq_handler +#ifdef CONFIG_MULTI_IRQ_HANDLER + ldr r5, =handle_arch_irq + mov r0, sp + ldr r5, [r5] + adr lr, BSYM(9997f) + teq r5, #0 + movne pc, r5 +#endif get_irqnr_preamble r5, lr 1: get_irqnr_and_base r0, r6, r5, lr movne r1, sp @@ -58,9 +66,8 @@ adrne lr, BSYM(1b) bne do_local_timer #endif -9997: #endif - +9997: .endm #ifdef CONFIG_KPROBES @@ -1245,3 +1252,9 @@ cr_alignment: .space 4 cr_no_alignment: .space 4 + +#ifdef CONFIG_MULTI_IRQ_HANDLER + .globl handle_arch_irq +handle_arch_irq: + .space 4 +#endif diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 8075e59..0826f36 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -875,6 +875,9 @@ void __init setup_arch(char **cmdline_p) init_arch_irq = mdesc->init_irq; system_timer = mdesc->timer; init_machine = mdesc->init_machine; +#ifdef CONFIG_MULTI_IRQ_HANDLER + handle_arch_irq = mdesc->handle_irq; +#endif #ifdef CONFIG_VT #if defined(CONFIG_VGA_CONSOLE) |