windows-nt/Source/XPSP1/NT/base/hals/halia64/ia64/i64bus.c
2020-09-26 16:20:57 +08:00

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/*++
Copyright (c) 1995 Intel Corporation
Module Name:
i64bus.c
Abstract:
This module implements the routines to support the management
of bus resources and translation of bus addresses.
Author:
14-Apr-1995
Environment:
Kernel mode
Revision History:
Based on simbus.c
--*/
#include "halp.h"
#include "hal.h"
UCHAR HalName[] = "ACPI 1.0 - APIC platform";
extern WCHAR HalHardwareIdString[];
VOID
HalpInitializePciBus (
VOID
);
VOID
HalpInheritBusAddressMapInfo (
VOID
);
VOID
HalpInitBusAddressMapInfo (
VOID
);
BOOLEAN
HalpTranslateSystemBusAddress (
IN PVOID BusHandler,
IN PVOID RootHandler,
IN PHYSICAL_ADDRESS BusAddress,
IN OUT PULONG AddressSpace,
OUT PPHYSICAL_ADDRESS TranslatedAddress
);
VOID
KeFlushWriteBuffer(
VOID
)
/*++
Routine Description:
KeFlushWriteBuffer
Flushes all write buffers and/or other data storing or reordering
hardware on the current processor. This ensures that all previous
writes will occur before any new reads or writes are completed.
In the simulation environment, there is no write buffer and nothing
needs to be done.
Arguments:
None
Return Value:
None.
--*/
{
__mf();
return;
}
VOID
HalReportResourceUsage (
VOID
)
/*++
Routine Description:
The registery is now enabled - time to report resources which are
used by the HAL.
Arguments:
Return Value:
--*/
{
ANSI_STRING AHalName;
UNICODE_STRING UHalName;
INTERFACE_TYPE interfacetype;
//
// Set type
//
switch (HalpBusType) {
case MACHINE_TYPE_ISA: interfacetype = Isa; break;
case MACHINE_TYPE_EISA: interfacetype = Eisa; break;
case MACHINE_TYPE_MCA: interfacetype = MicroChannel; break;
default: interfacetype = Internal; break;
}
//
// Report HALs resource usage
//
RtlInitAnsiString (&AHalName, HalName);
RtlAnsiStringToUnicodeString (&UHalName, &AHalName, TRUE);
HalpReportResourceUsage (
&UHalName, // descriptive name
interfacetype
);
RtlFreeUnicodeString (&UHalName);
//
// Turn on MCA support if present
//
HalpMcaInit();
//
// Registry is now intialized, see if there are any PCI buses
//
HalpInitializePciBus ();
#ifdef notyet
//
// Update supported address info with MPS bus address map
//
HalpInitBusAddressMapInfo ();
//
// Inherit any bus address mappings from MPS hierarchy descriptors
//
HalpInheritBusAddressMapInfo ();
#endif // notyet
HalpRegisterPciDebuggingDeviceInfo();
}