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