31 lines
		
	
	
		
			733 B
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			733 B
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
| /*
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|  * arch/arm/mach-loki/include/mach/entry-macro.S
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|  *
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|  * Low-level IRQ helper macros for Marvell Loki (88RC8480) platforms
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|  *
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|  * This file is licensed under the terms of the GNU General Public
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|  * License version 2.  This program is licensed "as is" without any
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|  * warranty of any kind, whether express or implied.
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|  */
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| 
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| #include <mach/bridge-regs.h>
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| 
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| 	.macro  disable_fiq
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| 	.endm
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| 
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| 	.macro  arch_ret_to_user, tmp1, tmp2
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| 	.endm
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| 
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| 	.macro  get_irqnr_preamble, base, tmp
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| 	ldr	\base, =IRQ_VIRT_BASE
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| 	.endm
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| 
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| 	.macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
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| 	ldr	\irqstat, [\base, #IRQ_CAUSE_OFF]
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| 	ldr	\tmp, [\base, #IRQ_MASK_OFF]
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| 	mov	\irqnr, #0
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| 	ands	\irqstat, \irqstat, \tmp
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| 	clzne	\irqnr, \irqstat
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| 	rsbne	\irqnr, \irqnr, #31
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| 	.endm
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