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https://github.com/Maschell/libutils.git
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47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
#ifndef __UTILS_H_
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#define __UTILS_H_
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#include <malloc.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define FlushBlock(addr) asm volatile("dcbf %0, %1\n" \
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"icbi %0, %1\n" \
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"sync\n" \
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"eieio\n" \
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"isync\n" \
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: \
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:"r"(0), "r"(((addr) & ~31)) \
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:"memory", "ctr", "lr", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12" \
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);
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#define LIMIT(x, min, max) \
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({ \
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typeof( x ) _x = x; \
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typeof( min ) _min = min; \
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typeof( max ) _max = max; \
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( ( ( _x ) < ( _min ) ) ? ( _min ) : ( ( _x ) > ( _max ) ) ? ( _max) : ( _x ) ); \
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})
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#define DegToRad(a) ( (a) * 0.01745329252f )
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#define RadToDeg(a) ( (a) * 57.29577951f )
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#define ALIGN4(x) (((x) + 3) & ~3)
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#define ALIGN32(x) (((x) + 31) & ~31)
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// those work only in powers of 2
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#define ROUNDDOWN(val, align) ((val) & ~(align-1))
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#define ROUNDUP(val, align) ROUNDDOWN(((val) + (align-1)), align)
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#define le16(i) ((((u16) ((i) & 0xFF)) << 8) | ((u16) (((i) & 0xFF00) >> 8)))
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#define le32(i) ((((u32)le16((i) & 0xFFFF)) << 16) | ((u32)le16(((i) & 0xFFFF0000) >> 16)))
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#define le64(i) ((((u64)le32((i) & 0xFFFFFFFFLL)) << 32) | ((u64)le32(((i) & 0xFFFFFFFF00000000LL) >> 32)))
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#ifdef __cplusplus
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}
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#endif
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#endif // __UTILS_H_
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