169 lines
2.6 KiB
C
169 lines
2.6 KiB
C
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/*++
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Copyright (c) 1991 Microsoft Corporation
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Copyright (c) 1993 Digital Equipment Corporation
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Module Name:
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jxsysid.c
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Abstract:
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This module implements the ARC firmware System ID Query functions as
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described in the Advanced Risc Computing Specification (Revision 1.00),
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section 3.3.3.5, for a MIPS R3000 or R4000 Jazz system.
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Author:
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David M. Robinson (davidro) 11-July-1991
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Revision History:
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26-May-1992 John DeRosa [DEC]
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Added Alpha/Jensen hooks.
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31-March-1993 Bruce Butts [DEC]
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Added Alpha/Morgan hooks.
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--*/
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#include "fwp.h"
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//
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// Define the system identifier.
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//
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SYSTEM_ID SystemId;
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extern ULONG SystemRevisionId;
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VOID
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FwSystemIdInitialize (
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VOID
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)
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/*++
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Routine Description:
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This routine initializes the system identifer routine address.
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Arguments:
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None.
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Return Value:
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None.
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--*/
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{
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//
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// Initialize the system identifier routine address in the system
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// parameter block.
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//
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(PARC_GET_SYSTEM_ID_ROUTINE)SYSTEM_BLOCK->FirmwareVector[GetSystemIdRoutine] =
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FwGetSystemId;
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(PARC_FLUSH_ALL_CACHES_ROUTINE)SYSTEM_BLOCK->FirmwareVector[FlushAllCachesRoutine] =
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FwFlushAllCaches;
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return;
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}
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PSYSTEM_ID
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FwGetSystemId (
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VOID
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)
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/*++
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Routine Description:
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This function returns the system ID, which consists of an eight byte
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VendorId and an eight byte ProductId.
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Arguments:
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None.
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Return Value:
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Returns a pointer to a buffer containing the system id structure.
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--*/
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{
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UCHAR TempString[10];
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//
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// There is no unique identification of each Jensen, so we can
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// load up the SystemId variable directly.
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//
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strncpy((PCHAR)&SystemId.VendorId, "Digital", 8);
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#ifdef JENSEN
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sprintf(TempString, "%d0Jensen", SystemRevisionId);
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#endif // JENSEN
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#ifdef MORGAN
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sprintf(TempString, "%d0Morgan", SystemRevisionId);
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#endif // MORGAN
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strncpy((PCHAR)&SystemId.ProductId, TempString, 8);
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return &SystemId;
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}
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VOID
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FwFlushAllCaches (
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VOID
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)
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/*++
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Routine Description:
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TEMPTEMP Fix this up soon!!
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Arguments:
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None.
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Return Value:
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--*/
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{
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#ifndef _ALPHA_
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HalSweepIcache();
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HalSweepDcache();
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#else
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// Alpha code
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//
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// The functional definition of this function is nowhere to be found. For
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// safety, we issue two MB's (so the EV4 write buffers are purged,
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// and not just serialized) and one IMB.
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//
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AlphaInstIMB();
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AlphaInstMB();
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AlphaInstMB();
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#endif
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return;
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}
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