Programming—Chapter 7
265700Series Color Mobile Computer User’sManual
IOCTL_GET_CPU_ID
Returns Xscale processor ID.
Usage
#include “oemioctl.h”
Syntax
BOOL KernelIoControl( IOCTL_GET_CPU_ID,LPVOID lpInBuf,
DWORD nInBufSize,LPVOID lpOutBuf,DWORD nOutBufSize,LPDWORD
lpBytesReturned );
Parameters
lpInBuf ShouldpointtoaCPUIdInfostructuredefinedinOEMIOCTL.H.
lpInBufSize Should be sizeof(CPUIdInfo).
lpOutBuf Should be NULL.
nOutBufSize Should be set to 0.
lpBytesReturned Returnssizeof(PROCESSOR_INFO);
ReturnValues
Returns TRUE if function succeeds. Returns FALSE if the function fails.
GetLastError() may be used to get the extende d error value.