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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/arm/mach-lpc32xx/include/mach/entry-macro.S
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/*

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 * arch/arm/mach-lpc32xx/include/mach/entry-macro.S

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 *

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 * Author: Kevin Wells <[email protected]>

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 *

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 * Copyright (C) 2010 NXP Semiconductors

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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 as published by

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 * the Free Software Foundation; either version 2 of the License, or

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 * (at your option) any later version.

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 *

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 * This program is distributed in the hope that it will be useful,

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 * but WITHOUT ANY WARRANTY; without even the implied warranty of

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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 * GNU General Public License for more details.

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 */

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#include <mach/hardware.h>

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#include <mach/platform.h>

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#define LPC32XX_INTC_MASKED_STATUS_OFS	0x8

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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, =IO_ADDRESS(LPC32XX_MIC_BASE)

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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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/*

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 * Return IRQ number in irqnr. Also return processor Z flag status in CPSR

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 * as set if an interrupt is pending.

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 */

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	.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp

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	ldr	\irqstat, [\base, #LPC32XX_INTC_MASKED_STATUS_OFS]

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	clz	\irqnr, \irqstat

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	rsb	\irqnr, \irqnr, #31

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	teq	\irqstat, #0

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	.endm

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	.macro	irq_prio_table

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	.endm

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