diff options
Diffstat (limited to 'private/ntos/nthals/halx86/i386/ixbusdat.c')
| -rw-r--r-- | private/ntos/nthals/halx86/i386/ixbusdat.c | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/private/ntos/nthals/halx86/i386/ixbusdat.c b/private/ntos/nthals/halx86/i386/ixbusdat.c new file mode 100644 index 000000000..ca7205c68 --- /dev/null +++ b/private/ntos/nthals/halx86/i386/ixbusdat.c @@ -0,0 +1,373 @@ +/*++ + + +Copyright (c) 1989 Microsoft Corporation + +Module Name: + + ixhwsup.c + +Abstract: + + This module contains the IoXxx routines for the NT I/O system that + are hardware dependent. Were these routines not hardware dependent, + they would reside in the iosubs.c module. + +Author: + + Ken Reneris (kenr) July-28-1994 + +Environment: + + Kernel mode + +Revision History: + + +--*/ + +#include "halp.h" + + +VOID HalpInitOtherBuses (VOID); + + +ULONG +HalpNoBusData ( + IN PVOID BusHandler, + IN PVOID RootHandler, + IN ULONG SlotNumber, + IN PVOID Buffer, + IN ULONG Offset, + IN ULONG Length + ); + +ULONG HalpcGetCmosData ( + IN PVOID BusHandler, + IN PVOID RootHandler, + IN ULONG SlotNumber, + IN PVOID Buffer, + IN ULONG Offset, + IN ULONG Length + ); + +ULONG HalpcSetCmosData ( + IN PVOID BusHandler, + IN PVOID RootHandler, + IN ULONG SlotNumber, + IN PVOID Buffer, + IN ULONG Offset, + IN ULONG Length + ); + +ULONG HalpGetCmosData ( + IN ULONG BusNumber, + IN ULONG SlotNumber, + IN PVOID Buffer, + IN ULONG Length + ); + +ULONG HalpSetCmosData ( + IN ULONG BusNumber, + IN ULONG SlotNumber, + IN PVOID Buffer, + IN ULONG Length + ); + +HalpGetEisaData ( + IN PVOID BusHandler, + IN PVOID RootHandler, + IN ULONG SlotNumber, + IN PVOID Buffer, + IN ULONG Offset, + IN ULONG Length + ); + + +// +// Prototype for system bus handlers +// + +NTSTATUS +HalpAdjustEisaResourceList ( + IN PVOID BusHandler, + IN PVOID RootHandler, + IN OUT PIO_RESOURCE_REQUIREMENTS_LIST *pResourceList + ); + +ULONG +HalpGetSystemInterruptVector ( + IN PVOID BusHandler, + IN PVOID RootHandler, + IN ULONG BusInterruptLevel, + IN ULONG BusInterruptVector, + OUT PKIRQL Irql, + OUT PKAFFINITY Affinity + ); + +ULONG +HalpGetEisaInterruptVector ( + IN PVOID BusHandler, + IN PVOID RootHandler, + IN ULONG BusInterruptLevel, + IN ULONG BusInterruptVector, + OUT PKIRQL Irql, + OUT PKAFFINITY Affinity + ); + +BOOLEAN +HalpTranslateSystemBusAddress ( + IN PVOID BusHandler, + IN PVOID RootHandler, + IN PHYSICAL_ADDRESS BusAddress, + IN OUT PULONG AddressSpace, + OUT PPHYSICAL_ADDRESS TranslatedAddress + ); + +BOOLEAN +HalpTranslateIsaBusAddress ( + IN PVOID BusHandler, + IN PVOID RootHandler, + IN PHYSICAL_ADDRESS BusAddress, + IN OUT PULONG AddressSpace, + OUT PPHYSICAL_ADDRESS TranslatedAddress + ); + +BOOLEAN +HalpTranslateEisaBusAddress ( + IN PVOID BusHandler, + IN PVOID RootHandler, + IN PHYSICAL_ADDRESS BusAddress, + IN OUT PULONG AddressSpace, + OUT PPHYSICAL_ADDRESS TranslatedAddress + ); + +VOID +HalpRegisterInternalBusHandlers ( + VOID + ); + +NTSTATUS +HalpHibernateHal ( + IN PBUS_HANDLER BusHandler, + IN PBUS_HANDLER RootHandler + ); + +NTSTATUS +HalpResumeHal ( + IN PBUS_HANDLER BusHandler, + IN PBUS_HANDLER RootHandler + ); + +#ifdef MCA +// +// Default functionality of MCA handlers is the same as the Eisa handlers, +// just use them +// + +#define HalpGetMCAInterruptVector HalpGetEisaInterruptVector +#define HalpAdjustMCAResourceList HalpAdjustEisaResourceList; + +HalpGetPosData ( + IN PVOID BusHandler, + IN PVOID RootHandler, + IN ULONG SlotNumber, + IN PVOID Buffer, + IN ULONG Offset, + IN ULONG Length + ); + + +#endif + + +#ifdef ALLOC_PRAGMA +#pragma alloc_text(INIT,HalpRegisterInternalBusHandlers) +#pragma alloc_text(INIT,HalpAllocateBusHandler) +#endif + + +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; + +#if 0 + // + // Hibernate and resume the hal by getting notifications + // for when this bus is hibernated or resumed. Since it's + // the first bus to be added, it will be the last to hibernate + // and the first to resume + // + + Bus->HibernateBus = HalpHibernateHal; + Bus->ResumeBus = HalpResumeHal; +#endif + + // + // Add handlers for Cmos config space. + // + + Bus = HalpAllocateBusHandler (InterfaceTypeUndefined, Cmos, 0, -1, 0, 0); + Bus->GetBusData = HalpcGetCmosData; + Bus->SetBusData = HalpcSetCmosData; + + Bus = HalpAllocateBusHandler (InterfaceTypeUndefined, Cmos, 1, -1, 0, 0); + Bus->GetBusData = HalpcGetCmosData; + Bus->SetBusData = HalpcSetCmosData; + +#ifndef MCA + // + // Build Isa/Eisa bus #0 + // + + Bus = HalpAllocateBusHandler (Eisa, EisaConfiguration, 0, Internal, 0, 0); + Bus->GetBusData = HalpGetEisaData; + Bus->GetInterruptVector = HalpGetEisaInterruptVector; + Bus->AdjustResourceList = HalpAdjustEisaResourceList; + Bus->TranslateBusAddress = HalpTranslateEisaBusAddress; + + Bus = HalpAllocateBusHandler (Isa, ConfigurationSpaceUndefined, 0, Eisa, 0, 0); + Bus->GetBusData = HalpNoBusData; + Bus->BusAddresses->Memory.Limit = 0xFFFFFF; + Bus->TranslateBusAddress = HalpTranslateIsaBusAddress; + +#else + + // + // Build MCA bus #0 + // + + Bus = HalpAllocateBusHandler (MicroChannel, Pos, 0, Internal, 0, 0); + Bus->GetBusData = HalpGetPosData; + Bus->GetInterruptVector = HalpGetMCAInterruptVector; + Bus->AdjustResourceList = HalpAdjustMCAResourceList; + +#endif + + HalpInitOtherBuses (); +} + + + +PBUS_HANDLER +HalpAllocateBusHandler ( + IN INTERFACE_TYPE InterfaceType, + IN BUS_DATA_TYPE BusDataType, + IN ULONG BusNumber, + IN INTERFACE_TYPE ParentBusInterfaceType, + IN ULONG ParentBusNumber, + IN ULONG BusSpecificData + ) +/*++ + +Routine Description: + + Stub function to map old style code into new HalRegisterBusHandler code. + + Note we can add our specific bus handler functions after this bus + handler structure has been added since this is being done during + hal initialization. + +--*/ +{ + PBUS_HANDLER Bus; + + + // + // Create bus handler - new style + // + + HaliRegisterBusHandler ( + InterfaceType, + BusDataType, + BusNumber, + ParentBusInterfaceType, + ParentBusNumber, + BusSpecificData, + NULL, + &Bus + ); + + if (InterfaceType != InterfaceTypeUndefined) { + Bus->BusAddresses = ExAllocatePool (SPRANGEPOOL, sizeof (SUPPORTED_RANGES)); + RtlZeroMemory (Bus->BusAddresses, sizeof (SUPPORTED_RANGES)); + Bus->BusAddresses->Version = BUS_SUPPORTED_RANGE_VERSION; + Bus->BusAddresses->Dma.Limit = 7; + Bus->BusAddresses->Memory.Limit = 0xFFFFFFFF; + Bus->BusAddresses->IO.Limit = 0xFFFF; + Bus->BusAddresses->IO.SystemAddressSpace = 1; + Bus->BusAddresses->PrefetchMemory.Base = 1; + } + + return Bus; +} + + +// +// C to Asm thunks for CMos +// + +ULONG HalpcGetCmosData ( + IN PBUS_HANDLER BusHandler, + IN PVOID RootHandler, + IN ULONG SlotNumber, + IN PVOID Buffer, + IN ULONG Offset, + IN ULONG Length + ) +{ + // bugbug: this interface should be rev'ed to support non-zero offsets + if (Offset != 0) { + return 0; + } + + return HalpGetCmosData (BusHandler->BusNumber, SlotNumber, Buffer, Length); +} + + +ULONG HalpcSetCmosData ( + IN PBUS_HANDLER BusHandler, + IN PVOID RootHandler, + IN ULONG SlotNumber, + IN PVOID Buffer, + IN ULONG Offset, + IN ULONG Length + ) +{ + // bugbug: this interface should be rev'ed to support non-zero offsets + if (Offset != 0) { + return 0; + } + + return HalpSetCmosData (BusHandler->BusNumber, SlotNumber, Buffer, Length); +} |