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Chapter 3 — Configuring the Computer
751G Color Mobile Computer User’s Manual 73
Return Values
Returns TRUE if function succeeds. Returns FALSE if the function fails.
GetLastError() may be used to get the extended error value.
IOCTL_HAL_GET_BOOTLOADER_VERINFO
Returns the HAL version information of the OS image.
Usage
#include “oemioctl.h”
Syntax
BOOL KernelIoControl( IOCTL_HAL_GET_OAL_VERINFO,LPVOID
lpInBuf, DWORD nInBufSize,LPVOID lpOutBuf,DWORD
nOutBufSize,LPDWORD lpBytesReturned );
Parameters
Return Values
Returns TRUE if function succeeds. Returns FALSE if the function fails.
GetLastError() may be used to get the extended error value.
IOCTL_HAL_WARMBOOT
Causes the system to perform a warm-boot. The object store is retained.
Usage
#include “oemioctl.h”
Syntax
BOOL KernelIoControl( IOCTL_HAL_WARMBOOT,LPVOID
lpInBuf,DWORD nInBufSize,LPVOID lpOutBuf,DWORD
nOutBufSize,LPDWORD lpBytesReturned );
lpInBuf Should be set to NULL.
nInBufSize Should be set to zero.
lpOutBuf Must point to a VERSIONINFO structure as defined by
OEMIOCTL.H. The fields should have these values:
• cboemverinfo Sizeof (tagOemVerInfo);
• verinfover 1
• sig; “ITC\0”
• id; ‘B’
• tgtcustomer “”
• tgtplat SeaRay
• tgtplatversion Current build version # of bootstrap loader
• tgtcputype[8]; “Intel\0”;
• tgtcpu “PXA255\0”
• tgtcoreversion “”
• date Build time
• time Build date
nOutBufSize The size of VERSIONINFO in bytes.
lpBytesReturned The number of bytes returned to lpOutBuf.