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56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
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#ifndef __MOVS_H__
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#define __MOVS_H__
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/*
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** movs.h
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**
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** Inline assembly macros to generate movs & related instructions
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*/
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/* Set DFC register value */
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#define SET_DFC(x) \
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__asm__ __volatile__ (" movec %0,%/dfc" : : "d" (x));
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/* Get DFC register value */
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#define GET_DFC(x) \
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__asm__ __volatile__ (" movec %/dfc, %0" : "=d" (x) : );
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/* Set SFC register value */
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#define SET_SFC(x) \
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__asm__ __volatile__ (" movec %0,%/sfc" : : "d" (x));
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/* Get SFC register value */
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#define GET_SFC(x) \
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__asm__ __volatile__ (" movec %/sfc, %0" : "=d" (x) : );
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#define SET_VBR(x) \
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__asm__ __volatile__ (" movec %0,%/vbr" : : "r" (x));
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#define GET_VBR(x) \
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__asm__ __volatile__ (" movec %/vbr, %0" : "=g" (x) : );
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/* Set a byte using the "movs" instruction */
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#define SET_CONTROL_BYTE(addr,value) \
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__asm__ __volatile__ (" movsb %0, %1@" : : "d" (value), "a" (addr));
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/* Get a byte using the "movs" instruction */
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#define GET_CONTROL_BYTE(addr,value) \
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__asm__ __volatile__ (" movsb %1@, %0" : "=d" (value) : "a" (addr));
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/* Set a (long)word using the "movs" instruction */
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#define SET_CONTROL_WORD(addr,value) \
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__asm__ __volatile__ (" movsl %0, %1@" : : "d" (value), "a" (addr));
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/* Get a (long)word using the "movs" instruction */
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#define GET_CONTROL_WORD(addr,value) \
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__asm__ __volatile__ (" movsl %1@, %0" : "=d" (value) : "a" (addr));
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#endif
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