forked from Minki/linux
51 lines
1.2 KiB
ArmAsm
51 lines
1.2 KiB
ArmAsm
|
/* arch/arm/mach-s5pc100/include/mach/entry-macro.S
|
||
|
*
|
||
|
* Copyright 2009 Samsung Electronics Co.
|
||
|
* Byungho Min <bhmin@samsung.com>
|
||
|
*
|
||
|
* Based on mach-s3c6400/include/mach/entry-macro.S
|
||
|
*
|
||
|
* Low-level IRQ helper macros for the Samsung S5PC1XX series
|
||
|
*
|
||
|
* This file is licensed under the terms of the GNU General Public
|
||
|
* License version 2. This program is licensed "as is" without any
|
||
|
* warranty of any kind, whether express or implied.
|
||
|
*/
|
||
|
|
||
|
#include <asm/hardware/vic.h>
|
||
|
#include <mach/map.h>
|
||
|
#include <plat/irqs.h>
|
||
|
|
||
|
.macro disable_fiq
|
||
|
.endm
|
||
|
|
||
|
.macro get_irqnr_preamble, base, tmp
|
||
|
ldr \base, =S3C_VA_VIC0
|
||
|
.endm
|
||
|
|
||
|
.macro arch_ret_to_user, tmp1, tmp2
|
||
|
.endm
|
||
|
|
||
|
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
|
||
|
|
||
|
@ check the vic0
|
||
|
mov \irqnr, # S3C_IRQ_OFFSET + 31
|
||
|
ldr \irqstat, [ \base, # VIC_IRQ_STATUS ]
|
||
|
teq \irqstat, #0
|
||
|
|
||
|
@ otherwise try vic1
|
||
|
addeq \tmp, \base, #(S3C_VA_VIC1 - S3C_VA_VIC0)
|
||
|
addeq \irqnr, \irqnr, #32
|
||
|
ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ]
|
||
|
teqeq \irqstat, #0
|
||
|
|
||
|
@ otherwise try vic2
|
||
|
addeq \tmp, \base, #(S3C_VA_VIC2 - S3C_VA_VIC0)
|
||
|
addeq \irqnr, \irqnr, #32
|
||
|
ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ]
|
||
|
teqeq \irqstat, #0
|
||
|
|
||
|
clzne \irqstat, \irqstat
|
||
|
subne \irqnr, \irqnr, \irqstat
|
||
|
.endm
|