 8dfe7ac96f
			
		
	
	
	8dfe7ac96f
	
	
	
		
			
			Tail-call the main C prefetch abort handler code from the per-CPU helper code. Also note that the helper function becomes ABI compliant in terms of the registers preserved. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
		
			
				
	
	
		
			21 lines
		
	
	
	
		
			417 B
			
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			21 lines
		
	
	
	
		
			417 B
			
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
| #include <linux/linkage.h>
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| #include <asm/assembler.h>
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| 
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| /*
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|  * Function: v6_pabort
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|  *
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|  * Params  : r2 = pt_regs
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|  *	   : r4 = address of aborted instruction
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|  *	   : r5 = psr for parent context
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|  *
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|  * Returns : r4 - r11, r13 preserved
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|  *
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|  * Purpose : obtain information about current prefetch abort.
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|  */
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| 
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| 	.align	5
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| ENTRY(v6_pabort)
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| 	mov	r0, r4
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| 	mrc	p15, 0, r1, c5, c0, 1		@ get IFSR
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| 	b	do_PrefetchAbort
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| ENDPROC(v6_pabort)
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