178 lines
3.4 KiB
C
178 lines
3.4 KiB
C
|
/*++
|
|||
|
|
|
|||
|
|
Copyright (c) 1992 Microsoft Corporation
|
|||
|
|
|
|||
|
|
Module Name:
|
|||
|
|
|
|||
|
|
initx86.c
|
|||
|
|
|
|||
|
|
Abstract:
|
|||
|
|
|
|||
|
|
Does any x86-specific initialization, then starts the common ARC osloader
|
|||
|
|
|
|||
|
|
Author:
|
|||
|
|
|
|||
|
|
John Vert (jvert) 4-Nov-1993
|
|||
|
|
|
|||
|
|
Revision History:
|
|||
|
|
|
|||
|
|
--*/
|
|||
|
|
#include "bldria64.h"
|
|||
|
|
#include "msg.h"
|
|||
|
|
#include "efi.h"
|
|||
|
|
#include "stdio.h"
|
|||
|
|
|
|||
|
|
extern EFI_SYSTEM_TABLE *EfiST;
|
|||
|
|
|
|||
|
|
VOID
|
|||
|
|
BlInitializeTerminal(
|
|||
|
|
VOID
|
|||
|
|
);
|
|||
|
|
|
|||
|
|
|
|||
|
|
UCHAR BootPartitionName[80];
|
|||
|
|
UCHAR KernelBootDevice[80];
|
|||
|
|
UCHAR OsLoadFilename[100];
|
|||
|
|
UCHAR OsLoaderFilename[100];
|
|||
|
|
UCHAR SystemPartition[100];
|
|||
|
|
UCHAR OsLoadPartition[100];
|
|||
|
|
UCHAR OsLoadOptions[100];
|
|||
|
|
UCHAR ConsoleInputName[50];
|
|||
|
|
UCHAR MyBuffer[SECTOR_SIZE+32];
|
|||
|
|
UCHAR ConsoleOutputName[50];
|
|||
|
|
UCHAR X86SystemPartition[sizeof("x86systempartition=") + sizeof(BootPartitionName)];
|
|||
|
|
|
|||
|
|
|
|||
|
|
VOID
|
|||
|
|
BlStartup(
|
|||
|
|
IN PCHAR PartitionName
|
|||
|
|
)
|
|||
|
|
|
|||
|
|
/*++
|
|||
|
|
|
|||
|
|
Routine Description:
|
|||
|
|
|
|||
|
|
Does x86-specific initialization, particularly presenting the boot.ini
|
|||
|
|
menu and running NTDETECT, then calls to the common osloader.
|
|||
|
|
|
|||
|
|
Arguments:
|
|||
|
|
|
|||
|
|
PartitionName - Supplies the ARC name of the partition (or floppy) that
|
|||
|
|
setupldr was loaded from.
|
|||
|
|
|
|||
|
|
Return Value:
|
|||
|
|
|
|||
|
|
Does not return
|
|||
|
|
|
|||
|
|
--*/
|
|||
|
|
|
|||
|
|
{
|
|||
|
|
ULONG Argc = 0;
|
|||
|
|
PUCHAR Argv[10];
|
|||
|
|
ARC_STATUS Status;
|
|||
|
|
ULONG BootFileId;
|
|||
|
|
PCHAR BootFile;
|
|||
|
|
ULONG Read;
|
|||
|
|
PCHAR p;
|
|||
|
|
ULONG i;
|
|||
|
|
ULONG DriveId;
|
|||
|
|
ULONG FileSize;
|
|||
|
|
ULONG Count;
|
|||
|
|
LARGE_INTEGER SeekPosition;
|
|||
|
|
PCHAR LoadOptions = NULL;
|
|||
|
|
BOOLEAN UseTimeOut=TRUE;
|
|||
|
|
BOOLEAN AlreadyInitialized = FALSE;
|
|||
|
|
extern BOOLEAN FwDescriptorsValid;
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Initialize ARC StdIo functionality
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
strcpy(ConsoleInputName,"consolein=multi(0)key(0)keyboard(0)");
|
|||
|
|
strcpy(ConsoleOutputName,"consoleout=multi(0)video(0)monitor(0)");
|
|||
|
|
Argv[0]=ConsoleInputName;
|
|||
|
|
Argv[1]=ConsoleOutputName;
|
|||
|
|
BlInitStdio (2, Argv);
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Initialize any dumb terminal that may be connected.
|
|||
|
|
//
|
|||
|
|
BlInitializeTerminal();
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// The main functionality of the OS chooser.
|
|||
|
|
//
|
|||
|
|
BlOsLoader( Argc, Argv, NULL );
|
|||
|
|
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// If we ever come back here, just wait to reboot.
|
|||
|
|
//
|
|||
|
|
if (BlIsTerminalConnected()) {
|
|||
|
|
if (BlTerminalHandleLoaderFailure()) {
|
|||
|
|
ArcRestart();
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
REBOOT(0);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
VOID
|
|||
|
|
BlInitializeTerminal(
|
|||
|
|
VOID
|
|||
|
|
)
|
|||
|
|
|
|||
|
|
/*++
|
|||
|
|
|
|||
|
|
Routine Description:
|
|||
|
|
|
|||
|
|
Does initialization of a dumb terminal connected to a serial port.
|
|||
|
|
|
|||
|
|
Arguments:
|
|||
|
|
|
|||
|
|
None.
|
|||
|
|
|
|||
|
|
Return Value:
|
|||
|
|
|
|||
|
|
None.
|
|||
|
|
|
|||
|
|
--*/
|
|||
|
|
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Try to initialize the headless port.
|
|||
|
|
//
|
|||
|
|
BlInitializeHeadlessPort();
|
|||
|
|
|
|||
|
|
if( LoaderRedirectionInformation.PortNumber == 0 ) {
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// we didn't get anything from the BIOS. See if StartROM
|
|||
|
|
// was redirecting.
|
|||
|
|
//
|
|||
|
|
#if 0
|
|||
|
|
if( (BOOLEAN)(BIOS_REDIRECT_SERVICE(1) != -1) ) {
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// He is. Pick up his settings.
|
|||
|
|
//
|
|||
|
|
RtlZeroMemory( LoaderRedirectionInformation, sizeof(HEADLESS_LOADER_BLOCK) );
|
|||
|
|
|
|||
|
|
LoaderRedirectionInformation.PortNumber = (ULONG)BIOS_REDIRECT_SERVICE(1);
|
|||
|
|
LoaderRedirectionInformation.BaudRate = (ULONG)BIOS_REDIRECT_SERVICE(2);
|
|||
|
|
LoaderRedirectionInformation.Parity = (BOOLEAN)BIOS_REDIRECT_SERVICE(3);
|
|||
|
|
LoaderRedirectionInformation.StopBits = (UCHAR)BIOS_REDIRECT_SERVICE(4);
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Now try again, this time with feeling...
|
|||
|
|
//
|
|||
|
|
BlInitializeHeadlessPort();
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
#endif
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|