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141 lines
2.3 KiB
141 lines
2.3 KiB
/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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legacy.h
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Author:
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Todd Carpenter (4/16/01) - create file
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Environment:
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Kernel mode
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Notes:
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Revision History:
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--*/
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#ifndef _AMDK7_LEGACY_H
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#define _AMDK7_LEGACY_H
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#include <pshpack1.h>
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#define PST_BLOCK_SIGNATURE 0x4b444d41 // "AMDK"
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#define PST_BLOCK_SIGNATURE_STRING "AMDK7PNOW!" // 41 4d 44 4b 37 50 4e 4f 57 21
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#define PST_BLOCK_SIGNATURE_STRING_LEN 10
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#define PST_SEARCH_RANGE_BEGIN 0xC0000
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#define PST_SEARCH_RANGE_END 0xFFFF0
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#define PST_SEARCH_RANGE_LENGTH (PST_SEARCH_RANGE_END-PST_SEARCH_RANGE_BEGIN+1)
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#define PST_SEARCH_INTERVAL 16 // search on 16 byte boundaries
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#pragma pack (push, 1)
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typedef struct _PST_SIGNATURE {
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ULONG CpuId;
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UCHAR FSBSpeed;
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UCHAR MaxFid;
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UCHAR StartVid;
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} PST_SIGNATURE, *PPST_SIGNATURE;
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typedef struct _PST_DATA {
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UCHAR Fid;
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UCHAR Vid;
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} PST_DATA, *PPST_DATA;
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typedef struct _PST_ENTRY {
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ULONG CpuId;
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UCHAR FSBSpeed;
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UCHAR MaxFid;
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UCHAR StartVid;
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UCHAR NumPStates; // total number of vid-fid pairs (must be >= 1)
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PST_DATA States[1];
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} PST_ENTRY, *PPST_ENTRY, **PPPST_ENTRY;
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typedef struct _PST_BLOCK_HEADER {
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UCHAR Signature[10]; // "AMDK7PNOW!"
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UCHAR TableVersion;
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UCHAR Flags;
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USHORT SettlingTime;
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UCHAR Reserved1;
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UCHAR NumPST;
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PST_ENTRY PstState;
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} PST_BLOCK_HEADER, *PPST_BLOCK_HEADER, **PPPST_BLOCK_HEADER;
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#pragma pack (pop)
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//
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// Functions
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//
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NTSTATUS
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FindPSTBlock (
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OUT PPPST_BLOCK_HEADER PstBlock
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);
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NTSTATUS
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FindMatchingPSTEntry(
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IN PPST_BLOCK_HEADER PstBlock,
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IN PPST_SIGNATURE Signature,
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OUT PPPST_ENTRY PstStates
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);
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NTSTATUS
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CreateSystemSignature(
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PPST_SIGNATURE Signature
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);
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UCHAR
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GetFSBSpeed(
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VOID
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);
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NTSTATUS
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ConvertPstToPss (
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IN PFDO_DATA DevExt,
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IN PPST_ENTRY PstEntry,
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OUT PACPI_PSS_PACKAGE *PssPackage
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);
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ULONG
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GetPSTSize(
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IN PPST_BLOCK_HEADER PstBlock
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);
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#if DBG
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VOID
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DumpPSTBlock(
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PPST_BLOCK_HEADER PstBlock
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);
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VOID
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DumpPSTEntry(
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PPST_ENTRY PstEntry
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);
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VOID
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DumpPSTSignature(
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PPST_SIGNATURE PstSig
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);
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#else
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#define DumpPSTBlock(_x_)
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#define DumpPSTEntry(_x_)
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#define DumpPSTSignature(_x_)
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#endif
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#endif
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