Kernel/arch/x86/include/mp.h

   1 /*
   2  */
   3 #ifndef _MP_H
   4 #define _MP_H
   5
   6 #define MPPTR_IDENT     ('_'|('M'<<8)|('P'<<16)|('_'<<24))
   7 #define MPTABLE_IDENT   ('P'|('C'<<8)|('M'<<16)|('P'<<24))
   8
   9 typedef struct sMPInfo {
  10         Uint32  Sig;    // '_MP_'
  11         Uint32  MPConfig;
  12         Uint8   Length;
  13         Uint8   Version;
  14         Uint8   Checksum;
  15         Uint8   Features[5];    // 2-4 are unused
  16 } tMPInfo;
  17
  18 typedef struct sMPTable {
  19         Uint32  Sig;
  20         Uint16  BaseTableLength;
  21         Uint8   SpecRev;
  22         Uint8   Checksum;
  23
  24         char    OemID[8];
  25         char    ProductID[12];
  26
  27         Uint32  OEMTablePtr;
  28         Uint16  OEMTableSize;
  29         Uint16  EntryCount;
  30
  31         Uint32  LocalAPICMemMap;        //!< Address used to access the local APIC
  32         Uint16  ExtendedTableLen;
  33         Uint8   ExtendedTableChecksum;
  34         Uint8   Reserved;
  35 } tMPTable;
  36
  37 typedef struct sMPTable_Proc {
  38         Uint8   Type;   // 0x00
  39         Uint8   APICID;
  40         Uint8   APICVer;
  41         Uint8   CPUFlags;       // bit 0: Disabled, bit 1: Boot Processor
  42         Uint32  CPUSignature;   // Stepping, Model, Family
  43         Uint32  FeatureFlags;
  44         Uint32  Reserved[2];
  45 } tMPTable_Proc;
  46
  47 #endif