 6a4110c2b3
			
		
	
	
	6a4110c2b3
	
	
	
		
			
			The current BUG opcode includes the bit that flags the insn as a 32bit opcode, but it wasn't declaring it as 32bits. So pick an unused 16bit. URL: http://blackfin.uclinux.org/gf/tracker/5973 Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
		
			
				
	
	
		
			73 lines
		
	
	
	
		
			1.5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
	
		
			1.5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright 2004-2009 Analog Devices Inc.
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|  *
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|  * Licensed under the GPL-2 or later.
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|  */
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| 
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| #ifndef _BLACKFIN_BUG_H
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| #define _BLACKFIN_BUG_H
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| 
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| #ifdef CONFIG_BUG
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| 
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| /*
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|  * This can be any undefined 16-bit opcode, meaning
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|  * ((opcode & 0xc000) != 0xc000)
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|  * Anything from 0x0001 to 0x000A (inclusive) will work
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|  */
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| #define BFIN_BUG_OPCODE	0x0001
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| 
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| #ifdef CONFIG_DEBUG_BUGVERBOSE
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| 
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| #define _BUG_OR_WARN(flags)						\
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| 	asm volatile(							\
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| 		"1:	.hword	%0\n"					\
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| 		"	.section __bug_table,\"a\",@progbits\n"		\
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| 		"2:	.long	1b\n"					\
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| 		"	.long	%1\n"					\
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| 		"	.short	%2\n"					\
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| 		"	.short	%3\n"					\
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| 		"	.org	2b + %4\n"				\
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| 		"	.previous"					\
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| 		:							\
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| 		: "i"(BFIN_BUG_OPCODE), "i"(__FILE__),			\
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| 		  "i"(__LINE__), "i"(flags),				\
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| 		  "i"(sizeof(struct bug_entry)))
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| 
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| #else
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| 
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| #define _BUG_OR_WARN(flags)						\
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| 	asm volatile(							\
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| 		"1:	.hword	%0\n"					\
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| 		"	.section __bug_table,\"a\",@progbits\n"		\
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| 		"2:	.long	1b\n"					\
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| 		"	.short	%1\n"					\
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| 		"	.org	2b + %2\n"				\
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| 		"	.previous"					\
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| 		:							\
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| 		: "i"(BFIN_BUG_OPCODE), "i"(flags),			\
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| 		  "i"(sizeof(struct bug_entry)))
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| 
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| #endif /* CONFIG_DEBUG_BUGVERBOSE */
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| 
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| #define BUG()								\
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| 	do {								\
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| 		_BUG_OR_WARN(0);					\
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| 		unreachable();						\
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| 	} while (0)
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| 
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| #define WARN_ON(condition)							\
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| 	({								\
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| 		int __ret_warn_on = !!(condition);			\
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| 		if (unlikely(__ret_warn_on))				\
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| 			_BUG_OR_WARN(BUGFLAG_WARNING);			\
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| 		unlikely(__ret_warn_on);				\
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| 	})
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| 
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| #define HAVE_ARCH_BUG
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| #define HAVE_ARCH_WARN_ON
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| 
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| #endif
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| 
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| #include <asm-generic/bug.h>
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| 
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| #endif
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