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//*****************************************************************//
//*****************************************************************//
//*****************************************************************//
//** **//
//** (C)Copyright 2009, American Megatrends, Inc. **//
//** **//
//** All Rights Reserved. **//
//** **//
//** 5555 Oakbrook Pkwy, Building 200,Norcross, Georgia 30093 **//
//** **//
//** Phone (770)-246-8600 **//
//** **//
//*****************************************************************//
//*****************************************************************//
//*****************************************************************//
// $Header: /Alaska/BIN/Modules/AMIDebugRx/binaries/LIBS/StatusCodeLib/DbgrHelp.c 5 3/17/11 7:54a Sudhirv $
//
// $Revision: 5 $
//
// $Date: 3/17/11 7:54a $
//*****************************************************************
//*****************************************************************
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/BIN/Modules/AMIDebugRx/binaries/LIBS/StatusCodeLib/DbgrHelp.c $
//
// 5 3/17/11 7:54a Sudhirv
// Support to Boot with S3 Resume in Core_4.6.5.0
//
// 4 3/11/11 8:41a Sudhirv
// Added support to return Database Address correctly with Cores older
// than 4.6.4x
//
// 3 3/09/11 8:18a Sudhirv
// EIP 53658 - AMIDebugRx\Debugger support for PI 1.1
//
// 2 7/17/09 7:15p Madhans
// DebugRx 1.30.0022
//
// 4 7/16/09 3:07p Madhans
// To fix the Serial Debugger issuel and To do cleanup.
//
// 3 7/15/09 5:56p Madhans
// Release mode binaries. With S3 resume Off.
//
// 2 7/13/09 2:46p Sudhirv
// Update with Coding Standards
//
// 1 7/07/09 4:46p Sudhirv
// Restructure Binaries Created
//
// 1 5/01/09 7:48p Madhans
// AMIDebug Rx Module. Intial Checkin.
//
// 1 4/29/09 7:51a Sudhirv
// AMI Debug Rx module created
//
// 13 12/12/08 5:14p Madhans
// USB Redirecion Module.
//
// 11 6/26/08 3:09p Sudhirv
// Uploaded after checking coding standards
//
// 10 8/29/07 3:49p Madhans
// To resolve AMD Platfrom issues.
//
// 9 8/29/07 12:44p Madhans
// Common code for 4.x and 3.x
//
// 8 6/13/07 3:16p Madhans
// Copyright Year updated.
//
// 7 3/12/07 6:19p Madhans
// !!!coding standards!!!!
//
// 6 3/10/07 2:22p Madhans
// For non PEI debuggers it should return 0.
//
// 5 3/01/07 10:44a Madhans
// token.h included
//
// 4 1/22/07 11:36a Madhans
// Modification made for Binary Release 1.04.0003.
//
// 3 1/05/07 1:05p Ashrafj
// Latest version 1.04.0001 Beta
// Known issues from previous 1.04.000 Beta release has been fixed.
//
//*****************************************************************
//**********************************************************************
//<AMI_FHDR_START>
//
// Name: DbgrHelp.c
//
// Description: File containing the globals for CAR base address & size.
//
//<AMI_FHDR_END>
//**********************************************************************
#include <EFI.h>
#include <AmiPeiLib.h>
#include "misc.h"
#include "AMIPeiDebug.h"
#ifdef ALASKA_SUPPORT
#include "token.h"
#else
#include "tokens.h"
#endif
//**********************************************************************
#if defined (PI_SPECIFICATION_VERSION) && (PI_SPECIFICATION_VERSION >= 0x00010000)
UINTN AMI_PEIDEBUGGER_DS_BASEADDRESS = 0;
UINTN AMI_PEIDEBUGGER_DS_SIZE = 0x2048;
#else
const UINTN AMI_PEIDEBUGGER_DS_BASEADDRESS = PEI_DEBUG_DATASECTION_BASEADDRESS;
const UINTN AMI_PEIDEBUGGER_DS_SIZE = PEI_DEBUG_DATASECTION_SIZE;
#endif
volatile UINT16 gS3ResumeSupport = AMI_DEBUG_RX_IN_S3_SUPPORT;
VOID CPULib_SaveIdt(DESCRIPTOR_TABLE);
UINTN GetCARBaseAddress()
{
#if defined (PI_SPECIFICATION_VERSION) && (PI_SPECIFICATION_VERSION >= 0x00010000)
EFI_PEI_SERVICES **PeiServices;
VOID *PeiDbgData;
EFI_GUID mPeiDbgBasePpiGuid = EFI_PEI_DBG_BASEADDRESS_PPI_GUID;
EFI_STATUS Status;
IDTBASE Idtr;
#ifndef EFIx64
_asm{
sidt fword ptr Idtr
}
#else
CPULib_SaveIdt(&Idtr);
#endif
PeiServices = (EFI_PEI_SERVICES **) (*(UINTN*)(Idtr.IDTBaseAddr - sizeof (UINTN)));
if (PeiServices == NULL)
return (Idtr.IDTBaseAddr); //Point to the area after PEI Services
else
{
Status = (**PeiServices).LocatePpi(
PeiServices,
&mPeiDbgBasePpiGuid, // GUID
0, // INSTANCE
NULL, // EFI_PEI_PPI_DESCRIPTOR
&PeiDbgData // PPI
);
if (!EFI_ERROR(Status))
return *((UINTN*)PeiDbgData);
else
return (Idtr.IDTBaseAddr);
}
#else
return AMI_PEIDEBUGGER_DS_BASEADDRESS;
#endif
}
//<AMI_PHDR_START>
//--------------------------------------------------------------------
// Procedure: IsAmiDbgrBaseValid
//
// Description: It is a function that helps to behave the status
// code redirection through debugger differently
// based in SDL tokens in different cases.
//
// Input: void
//
// Output: UINT8
//
//--------------------------------------------------------------------
//<AMI_PHDR_END>
UINT8 IsAmiDbgrBaseValid(void)
{
#if REDIRECTION_ONLY_MODE
return 1;
#else
#ifndef AMI_PEI_DEBUG_SUPPORT
return 0;
#else
// if PEI Debugger is enabled
#ifdef EFIx64
return 0;
#else
IDTBASE Idtr;
_asm{
sidt fword ptr Idtr
}
#if defined (PI_SPECIFICATION_VERSION) && (PI_SPECIFICATION_VERSION >= 0x00010000)
// Doubtful code recheck again
if(Idtr.IDTBaseAddr != NULL)
#else
if(Idtr.IDTBaseAddr == AMI_PEIDEBUGGER_DS_BASEADDRESS)
#endif
return 1;
else
return 0;
#endif
#endif
#endif
}
//<AMI_PHDR_START>
//--------------------------------------------------------------------
// Procedure: IsBsp()
//
// Description:
//
// Input: void
//
// Output: UINT8
//
//--------------------------------------------------------------------
//<AMI_PHDR_END>
UINT8 IsBsp(void)
{
#ifdef EFIx64
return 1;
#else
UINT8 IsBsp = 1;
#define MSR_XAPIC_BASE 0x1B
#define XAPIC_BASE_BSP_BIT 8
#define XAPIC_BASE_BSP_BIT_MASK (1 << XAPIC_BASE_BSP_BIT)
_asm
{
mov ecx,MSR_XAPIC_BASE
rdmsr
and eax,0x100
cmp eax,0x100
je BSP
mov IsBsp,0
BSP:
}
return IsBsp;
#endif
}
//*****************************************************************//
//*****************************************************************//
//*****************************************************************//
//** **//
//** (C)Copyright 2009, American Megatrends, Inc. **//
//** **//
//** All Rights Reserved. **//
//** **//
//** 5555 Oakbrook Pkwy, Building 200,Norcross, Georgia 30093 **//
//** **//
//** Phone (770)-246-8600 **//
//** **//
//*****************************************************************//
//*****************************************************************//
//*****************************************************************//
|
