The function below illustrates how to print long-long values within a driver
or module using printk() which doesn't support the 64-bit data format.
Norm Dresner
Fellow Systems Engineer
Radar Systems Engineering Department
Electronic Systems and Sensors Segment
Northrop Grumman Corporation
MS 520
Box 746
Baltimore MD 21203
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/********************************************************
*********************************************************
*
*
* Function to format a long-long datum as %016X *
* This function is designed for small-endian CPUs *
* like the Intel x86 series *
*
*
* ENTRY
*
* char *FormatLongLongHex( llv ) *
* long long llv;
*
*
*
* RETURN
*
* Address of string containing formatted value *
*
*
* NOTE
*
* Since this function uses two static buffers, *
* no more than 2 calls to this function can be made *
* within any one printk() call *
*
*
*********************************************************
********************************************************/
char* FormatLongLongHex( long long llv )
{
static char Buffer[34];
static int phase = 0;
ulong *pul = (ulong*)&llv;
char *buf = Buffer + (phase++ & 1 ? 17 : 0);
sprintf( buf , "%08lX%08lX" , pul[1] , pul[0] );
return( buf );
}
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