xllp_checksum.h

Intel PXA270底层设备驱动代码

#ifndef _XLLP_CHECKSUM_INCLUDED
#define _XLLP_CHECKSUM_INCLUDED 1
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// Calculate a simple checksum on a buffer.
// Note this function will destroy r0-r4 if SP is zero when called.
// It will probably crash if SP is not zero but does not contain a valid address.
// If SP is non-zero and valid all registers (except r0) are preserved.
extern unsigned long Xllp_SimpleChecksum(unsigned long *pBuffer, unsigned long words);

#endif // _XLLP_CHECKSUM_INCLUDED