Implement BlEfiGetSystemConfigurationTable() and move BlEfiGetSecureBootStatus() to desired place
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@ -14,6 +14,7 @@ list(APPEND XTLDR_SOURCE
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${XTLDR_SOURCE_DIR}/console.c
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${XTLDR_SOURCE_DIR}/efiutil.c
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${XTLDR_SOURCE_DIR}/string.c
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${XTLDR_SOURCE_DIR}/system.c
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${XTLDR_SOURCE_DIR}/volume.c
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${XTLDR_SOURCE_DIR}/xtldr.c)
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@ -162,38 +162,6 @@ BlDbgPrint(IN PUINT16 Format,
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}
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}
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/**
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* This routine checks whether SecureBoot is enabled or not.
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*
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* @return Numeric representation of SecureBoot status (0 = Disabled, >0 = Enabled, <0 SetupMode).
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*
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* @since XT 1.0
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*/
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INT_PTR
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BlEfiGetSecureBootStatus()
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{
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EFI_GUID VarGuid = EFI_GLOBAL_VARIABLE_GUID;
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INT_PTR SecureBootStatus = 0;
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UCHAR VarValue = 0;
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UINT_PTR Size;
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Size = sizeof(VarValue);
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if(EfiSystemTable->RuntimeServices->GetVariable(L"SecureBoot", &VarGuid,
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NULL, &Size, &VarValue) == STATUS_EFI_SUCCESS)
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{
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SecureBootStatus = (INT_PTR)VarValue;
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if((EfiSystemTable->RuntimeServices->GetVariable(L"SetupMode", &VarGuid,
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NULL, &Size, &VarValue) == STATUS_EFI_SUCCESS) && VarValue != 0)
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{
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SecureBootStatus = -1;
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}
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}
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/* Return SecureBoot status */
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return SecureBootStatus;
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}
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/**
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* This routine allocates a pool memory.
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*
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@ -0,0 +1,75 @@
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/**
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* PROJECT: ExectOS
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* COPYRIGHT: See COPYING.md in the top level directory
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* FILE: xtldr/system.c
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* DESCRIPTION: EFI system information
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* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
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*/
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#include <xtbl.h>
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/**
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* This routine checks whether SecureBoot is enabled or not.
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*
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* @return Numeric representation of SecureBoot status (0 = Disabled, >0 = Enabled, <0 SetupMode).
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*
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* @since XT 1.0
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*/
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INT_PTR
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BlEfiGetSecureBootStatus()
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{
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EFI_GUID VarGuid = EFI_GLOBAL_VARIABLE_GUID;
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INT_PTR SecureBootStatus = 0;
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UCHAR VarValue = 0;
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UINT_PTR Size;
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Size = sizeof(VarValue);
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if(EfiSystemTable->RuntimeServices->GetVariable(L"SecureBoot", &VarGuid,
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NULL, &Size, &VarValue) == STATUS_EFI_SUCCESS)
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{
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SecureBootStatus = (INT_PTR)VarValue;
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if((EfiSystemTable->RuntimeServices->GetVariable(L"SetupMode", &VarGuid,
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NULL, &Size, &VarValue) == STATUS_EFI_SUCCESS) && VarValue != 0)
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{
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SecureBootStatus = -1;
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}
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}
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/* Return SecureBoot status */
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return SecureBootStatus;
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}
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/**
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* Read system configuration from a specified table.
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*
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* @param TableGuid
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* Supplies a pointer to the GUID to search for.
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*
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* @param Table
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* Supplies a pointer that will point to the configuration table.
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*
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* @return This routine returns a status code.
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*
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* @since XT 1.0
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*/
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EFI_STATUS
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BlEfiGetSystemConfigurationTable(IN PEFI_GUID TableGuid,
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OUT PVOID *Table)
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{
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SIZE_T Size = sizeof(EFI_GUID);
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UINT_PTR Index;
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for(Index = 0; Index < EfiSystemTable->NumberOfTableEntries; Index++)
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{
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if(RtlCompareMemory((PVOID)&EfiSystemTable->ConfigurationTable[Index].VendorGuid, TableGuid, Size) == Size)
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{
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*Table = EfiSystemTable->ConfigurationTable[Index].VendorTable;
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return STATUS_EFI_SUCCESS;
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}
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}
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/* Table not found */
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return STATUS_EFI_NOT_FOUND;
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}
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