49 lines
1.1 KiB
ArmAsm
49 lines
1.1 KiB
ArmAsm
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/* linux/arch/arm/mach-s5p6442/include/mach/entry-macro.S
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*
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* Copyright (c) 2010 Samsung Electronics Co., Ltd.
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* http://www.samsung.com/
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*
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* Low-level IRQ helper macros for the Samsung S5P6442
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <asm/hardware/vic.h>
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#include <mach/map.h>
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#include <plat/irqs.h>
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.macro disable_fiq
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.endm
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.macro get_irqnr_preamble, base, tmp
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ldr \base, =VA_VIC0
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.endm
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.macro arch_ret_to_user, tmp1, tmp2
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.endm
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.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
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@ check the vic0
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mov \irqnr, # S5P_IRQ_OFFSET + 31
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ldr \irqstat, [ \base, # VIC_IRQ_STATUS ]
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teq \irqstat, #0
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@ otherwise try vic1
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addeq \tmp, \base, #(VA_VIC1 - VA_VIC0)
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addeq \irqnr, \irqnr, #32
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ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ]
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teqeq \irqstat, #0
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@ otherwise try vic2
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addeq \tmp, \base, #(VA_VIC2 - VA_VIC0)
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addeq \irqnr, \irqnr, #32
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ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ]
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teqeq \irqstat, #0
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clzne \irqstat, \irqstat
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subne \irqnr, \irqnr, \irqstat
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.endm
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