Add the basic build infrastructure and architectural support
required to build for targets using the MIPS architecture.
This will require the addition of cache maintenance.
BUG=chrome-os-partner:31438
TEST=tested on Pistachio FPGA with Depthcharge as payload;
     successfully executed payload.
BRANCH=none
Change-Id: I75cfd0536860b6d84b53a567940fe6668d9b2cbb
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 758c8cb9a6846e6ca32be409ec5f7a888ac9c888
Original-Signed-off-by: Ionela Voinescu <ionela.voinescu@imgtec.com>
Original-Change-Id: I0b9af983bf5032335a519ce2510a0b3aca082edf
Original-Reviewed-on: https://chromium-review.googlesource.com/219740
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8741
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
		
	
		
			
				
	
	
		
			45 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef _SWAB_H
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| #define _SWAB_H
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| 
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| /*
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|  * linux/byteorder/swab.h
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|  * Byte-swapping, independently from CPU endianness
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|  *	swabXX[ps]?(foo)
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|  *
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|  * Francois-Rene Rideau <fare@tunes.org> 19971205
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|  *    separated swab functions from cpu_to_XX,
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|  *    to clean up support for bizarre-endian architectures.
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|  *
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|  * See asm-i386/byteorder.h and suches for examples of how to provide
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|  * architecture-dependent optimized versions
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|  *
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|  */
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| 
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| /* casts are necessary for constants, because we never know for sure
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|  * how U/UL/ULL map to __u16, __u32, __u64. At least not in a portable way.
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|  */
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| #define swab16(x) \
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| 	((unsigned short)( \
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| 		(((unsigned short)(x) & (unsigned short)0x00ffU) << 8) | \
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| 		(((unsigned short)(x) & (unsigned short)0xff00U) >> 8)))
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| 
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| #define swab32(x) \
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| 	((unsigned int)( \
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| 		(((unsigned int)(x) & (unsigned int)0x000000ffUL) << 24) | \
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| 		(((unsigned int)(x) & (unsigned int)0x0000ff00UL) <<  8) | \
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| 		(((unsigned int)(x) & (unsigned int)0x00ff0000UL) >>  8) | \
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| 		(((unsigned int)(x) & (unsigned int)0xff000000UL) >> 24)))
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| 
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| #define swab64(x) \
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| 	((uint64_t)( \
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| 		(((uint64_t)(x) & (uint64_t)0x00000000000000ffULL) << 56) | \
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| 		(((uint64_t)(x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
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| 		(((uint64_t)(x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
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| 		(((uint64_t)(x) & (uint64_t)0x00000000ff000000ULL) <<  8) | \
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| 		(((uint64_t)(x) & (uint64_t)0x000000ff00000000ULL) >>  8) | \
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| 		(((uint64_t)(x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \
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| 		(((uint64_t)(x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
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| 		(((uint64_t)(x) & (uint64_t)0xff00000000000000ULL) >> 56)))
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| 
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| #endif /* _SWAB_H */
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