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//*****************************************************************//
//*****************************************************************//
//*****************************************************************//
//** **//
//** (C)Copyright 2010, 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/HostConStatus.c 2 4/15/11 7:09p Madhans $
//
// $Revision: 2 $
//
// $Date: 4/15/11 7:09p $
//
//*********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/BIN/Modules/AMIDebugRx/binaries/LIBS/StatusCodeLib/HostConStatus.c $
//
// 2 4/15/11 7:09p Madhans
// [TAG] EIP58122
// [Category] Bug Fix
// [Severity] Minor
// [Symptom] IsAMIDebugRxConnected() CSPLIB function used in PEI gives
// build issues.
// [RootCause] IsAMIDebugRxConnected in PEI case code is incomplete.
// [Solution] IsAMIDebugRxConnected fixed.
// [Files] HostConStatus.c
//
// 1 3/14/11 9:13p Madhans
// To contribute CSPLib tO check if DebugRx is connected or Not.
//
//*********************************************************************
//<AMI_FHDR_START>
//----------------------------------------------------------------------------
//
// Name: HostConStatus.C
//
// Description: Checks whether the target is connected with host or not.
//
//----------------------------------------------------------------------------
//<AMI_FHDR_END>
#include "efi.h"
#include "pei.h"
#include "amidxelib.h"
#include "Hob.h"
#ifndef EFIx64
#include "AMIPeiDebug.h"
#else
#include "AMIPeiDebugX64.h"
#endif
BOOLEAN CheckForHostConnectedinPEI (EFI_PEI_SERVICES **PeiServices);
#define PEI_DBGSUPPORT_DATA_GUID \
{0x41cac730, 0xe64e, 0x463b, 0x89, 0x72, 0x25, 0x5e, 0xec, 0x55, 0x55, 0xc2}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: GetEfiConfigurationTableLocal
//
// Description: Gets the efi configuration table
//
// Input: EFI_SYSTEM_TABLE *, EFI_GUID *
//
// Output: void *
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
VOID * GetEfiConfigurationTableLocal(
IN EFI_SYSTEM_TABLE *SystemTable,
IN EFI_GUID *Guid
)
{
EFI_CONFIGURATION_TABLE *Table = SystemTable->ConfigurationTable;
UINTN i = SystemTable->NumberOfTableEntries;
for (;i;--i,++Table)
{
if (guidcmp(&Table->VendorGuid,Guid)==0) return Table->VendorTable;
}
return 0;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: IsAMIDebugRxConnected
//
// Description: checks whether the target is connected with host or not.
//
// Input: EFI_PEI_SERVICES **, EFI_SYSTEM_TABLE *
//
// Output: BOOLEAN
// TRUE: If host is connected
// FALSE : If host is not connected
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
BOOLEAN IsAMIDebugRxConnected (EFI_PEI_SERVICES **PeiServices, EFI_SYSTEM_TABLE *ST)
{
EFI_STATUS Status = EFI_NOT_FOUND;
BOOLEAN RetStatus = FALSE;
EFI_GUID HobListGuid = HOB_LIST_GUID;
EFI_GUID mPeiDebugDataGuid = PEI_DBGSUPPORT_DATA_GUID;
EFI_HOB_MEMORY_ALLOCATION *MemoryHob = NULL;
PEIDebugData_T *pPeiDbgDataSection;
EFI_PHYSICAL_ADDRESS DSMemoryBaseAddress = 0;
SerXPortGblData_T *pSerXPortGblData_T = NULL;
if (PeiServices == NULL) //For DXE check
{
MemoryHob = (EFI_HOB_MEMORY_ALLOCATION*)GetEfiConfigurationTableLocal (ST,&HobListGuid);
if (MemoryHob)
{
//Status = FindNextHobByGuid(&mPeiDebugDataGuid,(VOID**)&MemoryHob);
for(;;){
Status = FindNextHobByType (EFI_HOB_TYPE_MEMORY_ALLOCATION,&MemoryHob);
if (EFI_ERROR(Status)) break;
if (!guidcmp(&MemoryHob->AllocDescriptor.Name,&mPeiDebugDataGuid)) {
DSMemoryBaseAddress = MemoryHob->AllocDescriptor.MemoryBaseAddress;
pPeiDbgDataSection = (PEIDebugData_T*) DSMemoryBaseAddress;
pSerXPortGblData_T = (SerXPortGblData_T *)pPeiDbgDataSection->XportLocalVar;
if (pSerXPortGblData_T->m_IsHostConnected)
{
RetStatus = TRUE;
break;
}
}
}
}
}
else //For PEI Check
{
RetStatus = CheckForHostConnectedinPEI (PeiServices);
}
return RetStatus;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: CheckForHostConnectedinPEI
//
// Description: checks whether the target is connected with host in PEI
//
// Input: void
//
// Output: BOOLEAN
// TRUE: If host is connected
// FALSE : If host is not connected
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
BOOLEAN CheckForHostConnectedinPEI (EFI_PEI_SERVICES **PeiServices)
{
PEIDebugData_T *pData;
SerXPortGblData_T *SerData;
VOID *FirstHob = NULL;
EFI_HOB_MEMORY_ALLOCATION *Hob = NULL;
EFI_GUID mPeiDebugDataGuid = PEI_DBGSUPPORT_DATA_GUID;
//Find PEI Debugger Data section by HOB
for((*PeiServices)->GetHobList(PeiServices,&FirstHob);
!EFI_ERROR(FindNextHobByType(EFI_HOB_TYPE_MEMORY_ALLOCATION,&FirstHob));
)
{
Hob = (EFI_HOB_MEMORY_ALLOCATION *) FirstHob;
if (guidcmp (&mPeiDebugDataGuid, &Hob->AllocDescriptor.Name) == 0) {
pData = (PEIDebugData_T *)Hob->AllocDescriptor.MemoryBaseAddress;
break;
}
}
if(pData == NULL)
return FALSE;
SerData = (SerXPortGblData_T *)(pData->XportLocalVar);
if(SerData->m_IsHostConnected)
{
return TRUE;
}
else
{
return FALSE;
}
}
//*****************************************************************//
//*****************************************************************//
//*****************************************************************//
//** **//
//** (C)Copyright 2010, American Megatrends, Inc. **//
//** **//
//** All Rights Reserved. **//
//** **//
//** 5555 Oakbrook Pkwy, Building 200,Norcross, Georgia 30093 **//
//** **//
//** Phone (770)-246-8600 **//
//** **//
//*****************************************************************//
//*****************************************************************//
//*****************************************************************//
|
