VOID
HalpRegisterInternalBusHandlers (
VOID
)
{
PBUS_HANDLER Bus;
if (KeGetCurrentPrcb()->Number) {
// only need to do this once
return ;
}
//
// Initalize BusHandler data before registering any handlers
//
HalpInitBusHandler ();
//
// Build internal-bus 0, or system level bus
//
Bus = HalpAllocateBusHandler (
Internal,
ConfigurationSpaceUndefined,
0, // Internal BusNumber 0
InterfaceTypeUndefined, // no parent bus
0,
0 // no bus specfic data
);
Bus->GetInterruptVector = HalpGetSystemInterruptVector;
Bus->TranslateBusAddress = HalpTranslateSystemBusAddress;
//
// Build Isa bus 0
//
Bus = HalpAllocateBusHandler (Isa, -1, 0, Internal, 0, 0);
Bus->GetBusData = HalpNoBusData;
Bus->GetInterruptVector = HalpGetIsaInterruptVector;
Bus->AdjustResourceList = HalpAdjustIsaResourceList;
HalpInitOtherBuses ();
}
VOID BootMain(LPSTR CmdLine)
{
CmdLineParse(CmdLine);
MachInit(CmdLine);
FsInit();
DebugInit();
TRACE("BootMain() called.\n");
/* Check if the CPU is new enough */
FrLdrCheckCpuCompatiblity();
if (!UiInitialize(FALSE))
{
UiMessageBoxCritical("Unable to initialize UI.\n");
goto quit;
}
if (!MmInitializeMemoryManager())
{
UiMessageBoxCritical("Unable to initialize memory manager");
goto quit;
}
#ifdef _M_IX86
HalpInitializePciStubs();
HalpInitBusHandler();
#endif
RunLoader();
quit:
/* If we reach this point, something went wrong before, therefore reboot */
DiskStopFloppyMotor();
Reboot();
}
VOID
HalpRegisterInternalBusHandlers (
VOID
)
/*++
Routine Description:
This function registers the bushandlers for buses on the system
that will always be present on the system.
Arguments:
None.
Return Value:
None.
--*/
{
PBUS_HANDLER Bus;
//
// Initalize BusHandler data before registering any handlers
//
HalpInitBusHandler ();
//
// Build the processor internal bus 0
//
HaliRegisterBusHandler (ProcessorInternal, // Bus Type
-1, // No config space
0, // Bus Number
-1, // No parent bus type
0, // No parent bus number
0, // No extension data
NULL, // No install handler
&Bus); // Bushandler return
Bus->GetInterruptVector = HalpGetSystemInterruptVector;
//
// Build internal-bus 0, or system level bus
//
HaliRegisterBusHandler (Internal, // Bus Type
-1, // No config space
0, // Bus Number
-1, // No parent bus type
0, // No parent bus number
0, // No extension data
NULL, // No install handler
&Bus); // Bushandler return
Bus->GetInterruptVector = HalpGetSystemInterruptVector;
Bus->TranslateBusAddress = HalpTranslateSystemBusAddress;
//
// Build Isa bus #0
//
HaliRegisterBusHandler (Isa, // Bus Type
-1, // No config space
0, // Internal bus #0
Internal, // Parent bus type
0, // Parent bus number
0, // No extension data
NULL, // No install handler
&Bus); // Bushandler return
Bus->GetBusData = HalpNoBusData;
Bus->AdjustResourceList = HalpAdjustIsaResourceList;
}
INIT_FUNCTION
VOID
NTAPI
HalpRegisterInternalBusHandlers(VOID)
{
PBUS_HANDLER Bus;
/* Only do processor 1 */
if (KeGetCurrentPrcb()->Number) return;
/* Register root support */
HalpInitBusHandler();
/* Allocate the system bus */
Bus = HalpAllocateBusHandler(Internal,
ConfigurationSpaceUndefined,
0,
InterfaceTypeUndefined,
0,
0);
if (Bus)
{
/* Set it up */
Bus->GetInterruptVector = HalpGetSystemInterruptVector;
Bus->TranslateBusAddress = HalpTranslateSystemBusAddress;
}
/* Allocate the CMOS bus */
Bus = HalpAllocateBusHandler(InterfaceTypeUndefined,
Cmos,
0,
InterfaceTypeUndefined,
0,
0);
if (Bus)
{
/* Set it up */
Bus->GetBusData = HalpcGetCmosData;
Bus->SetBusData = HalpcSetCmosData;
}
/* Allocate the CMOS bus */
Bus = HalpAllocateBusHandler(InterfaceTypeUndefined,
Cmos,
1,
InterfaceTypeUndefined,
0,
0);
if (Bus)
{
/* Set it up */
Bus->GetBusData = HalpcGetCmosData;
Bus->SetBusData = HalpcSetCmosData;
}
/* Allocate ISA bus */
Bus = HalpAllocateBusHandler(Isa,
ConfigurationSpaceUndefined,
0,
Internal,
0,
0);
if (Bus)
{
/* Set it up */
Bus->GetBusData = HalpNoBusData;
Bus->BusAddresses->Memory.Limit = 0xFFFFFF;
Bus->TranslateBusAddress = HalpTranslateIsaBusAddress;
}
/* No support for EISA or MCA */
ASSERT(HalpBusType == MACHINE_TYPE_ISA);
}
