OpenCloudOS-Kernel/arch/arm/mach-rpc/include/mach/entry-macro.S

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#include <mach/hardware.h>
#include <asm/hardware/entry-macro-iomd.S>
.equ ioc_base_high, IOC_BASE & 0xff000000
.equ ioc_base_low, IOC_BASE & 0x00ff0000
.macro get_irqnr_preamble, base, tmp
mov \base, #ioc_base_high @ point at IOC
.if ioc_base_low
orr \base, \base, #ioc_base_low
.endif
.endm
.macro arch_ret_to_user, tmp1, tmp2
.endm