linux-sg2042/arch/arm/mach-prima2/include/mach/entry-macro.S

23 lines
553 B
ArmAsm

/*
* arch/arm/mach-prima2/include/mach/entry-macro.S
*
* Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
*
* Licensed under GPLv2 or later.
*/
#include <mach/hardware.h>
#define SIRFSOC_INT_ID 0x38
.macro get_irqnr_preamble, base, tmp
ldr \base, =sirfsoc_intc_base
ldr \base, [\base]
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
ldr \irqnr, [\base, #SIRFSOC_INT_ID] @ Get the highest priority irq
cmp \irqnr, #0x40 @ the irq num can't be larger than 0x3f
movges \irqnr, #0
.endm