original_kernel/arch/arm/mach-rpc/fiq.S

19 lines
437 B
ArmAsm

/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <mach/hardware.h>
.equ ioc_base_high, IOC_BASE & 0xff000000
.equ ioc_base_low, IOC_BASE & 0x00ff0000
.text
.global rpc_default_fiq_end
ENTRY(rpc_default_fiq_start)
mov r12, #ioc_base_high
.if ioc_base_low
orr r12, r12, #ioc_base_low
.endif
strb r12, [r12, #0x38] @ Disable FIQ register
subs pc, lr, #4
rpc_default_fiq_end: