95 lines
1.3 KiB
C
95 lines
1.3 KiB
C
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/*++
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Copyright (c) 1995 Digital Equipment Corporation
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Module Name:
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icic.c
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Abstract:
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This module implements functions specific to the Interrupt
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Controller IC (ICIC).
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Author:
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Dave Richards 26-May-1995
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Environment:
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Kernel mode
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Revision History:
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--*/
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#include "halp.h"
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#include "t2.h"
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#include "icic.h"
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ULONGLONG
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READ_ICIC_REGISTER(
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IN PVOID TxQva,
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IN ICIC_REGISTER IcIcRegister
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)
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/*++
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Routine Description:
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Read a 64-bit value from an ICIC register.
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Arguments:
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TxQva - The QVA of the T3/T4 CSR space.
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IcIcRegister - The register number to read.
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Return Value:
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The 64-bit value read.
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--*/
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{
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WRITE_T2_REGISTER( &((PT2_CSRS)TxQva)->Air, IcIcRegister );
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return READ_T2_REGISTER( &((PT2_CSRS)TxQva)->Dir );
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}
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VOID
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WRITE_ICIC_REGISTER(
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IN PVOID TxQva,
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IN ICIC_REGISTER IcIcRegister,
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IN ULONGLONG Value
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)
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/*++
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Routine Description:
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Write a 64-bit value to an ICIC register.
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Arguments:
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TxQva - The QVA of the T3/T4 CSR space.
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IcIcRegister - The register number to write.
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Value - The 64-bit value to write.
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Return Value:
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None.
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--*/
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{
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WRITE_T2_REGISTER( &((PT2_CSRS)TxQva)->Air, IcIcRegister );
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WRITE_T2_REGISTER( &((PT2_CSRS)TxQva)->Dir, Value );
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(VOID)READ_T2_REGISTER( &((PT2_CSRS)TxQva)->Dir );
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}
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