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75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: ntoskrnl/hal/isa.c
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* PURPOSE: Interfaces to the ISA bus
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* PROGRAMMER: David Welch (welch@mcmail.com)
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* UPDATE HISTORY:
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* 05/06/98: Created
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*/
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/* INCLUDES ***************************************************************/
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#include <hal.h>
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS *****************************************************************/
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BOOLEAN HalIsaProbe(VOID)
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/*
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* FUNCTION: Probes for an ISA bus
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* RETURNS: True if detected
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* NOTE: Since ISA is the default we are called last and always return
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* true
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*/
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{
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DbgPrint("Assuming ISA bus\n");
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/*
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* Probe for plug and play support
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*/
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return(TRUE);
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}
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BOOLEAN NTAPI
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HalpTranslateIsaBusAddress(PBUS_HANDLER BusHandler,
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ULONG BusNumber,
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PHYSICAL_ADDRESS BusAddress,
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PULONG AddressSpace,
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PPHYSICAL_ADDRESS TranslatedAddress)
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{
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BOOLEAN Result;
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Result = HalTranslateBusAddress(PCIBus,
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BusNumber,
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BusAddress,
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AddressSpace,
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TranslatedAddress);
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if (Result != FALSE)
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return Result;
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Result = HalTranslateBusAddress(Internal,
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BusNumber,
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BusAddress,
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AddressSpace,
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TranslatedAddress);
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return Result;
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}
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ULONG NTAPI
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HalpGetIsaInterruptVector(PVOID BusHandler,
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ULONG BusNumber,
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ULONG BusInterruptLevel,
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ULONG BusInterruptVector,
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PKIRQL Irql,
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PKAFFINITY Affinity)
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{
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ULONG Vector = IRQ2VECTOR(BusInterruptVector);
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*Irql = VECTOR2IRQL(Vector);
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*Affinity = 0xFFFFFFFF;
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return Vector;
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}
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/* EOF */
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