Last change
on this file was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
581 bytes
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Rev | Line | |
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[444] | 1 | #ifndef _MB_ENDIAN_H |
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| 2 | #define _MB_ENDIAN_H |
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| 3 | |
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| 4 | /* Convenience macros for loading and store 4 bytes in a byte invariant way with |
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| 5 | * a singe instruction. Endianess affects this and we rely on MicroBlaze |
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| 6 | * load/store reverse instructions to do the trick on little-endian systems. |
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| 7 | */ |
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| 8 | #ifdef __LITTLE_ENDIAN__ |
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| 9 | #define LOAD4BYTES(rD,rA,rB) "\tlwr\t" rD ", " rA ", " rB "\n" |
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| 10 | #define STORE4BYTES(rD,rA,rB) "\tswr\t" rD ", " rA ", " rB "\n" |
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| 11 | #else |
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| 12 | #define LOAD4BYTES(rD,rA,rB) "\tlw\t" rD ", " rA ", " rB "\n" |
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| 13 | #define STORE4BYTES(rD,rA,rB) "\tsw\t" rD ", " rA ", " rB "\n" |
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| 14 | #endif |
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| 15 | #endif |
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