diff options
Diffstat (limited to 'Core/EM/CSM/thunk/BlockIo/CsmBlkIoComponentName.c')
| -rw-r--r-- | Core/EM/CSM/thunk/BlockIo/CsmBlkIoComponentName.c | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/Core/EM/CSM/thunk/BlockIo/CsmBlkIoComponentName.c b/Core/EM/CSM/thunk/BlockIo/CsmBlkIoComponentName.c new file mode 100644 index 0000000..6807d3e --- /dev/null +++ b/Core/EM/CSM/thunk/BlockIo/CsmBlkIoComponentName.c @@ -0,0 +1,260 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2010, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** + +//********************************************************************** +// $Header: /Alaska/SOURCE/Modules/CSM/Generic/Thunk/INT13/CsmBlkIoComponentName.c 6 12/23/13 3:38p Olegi $ +// +// $Revision: 6 $ +// +// $Date: 12/23/13 3:38p $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/CSM/Generic/Thunk/INT13/CsmBlkIoComponentName.c $ +// +// 6 12/23/13 3:38p Olegi +// EIP128504: implement EFI_COMPONENT2_NAME_PROTOCOL for CsmBlockIo driver +// +// 5 1/12/10 11:50a Olegi +// Copyright message updated. +// +// 4 10/03/07 4:41p Yakovlevs +// Removed Component Name Protocol and its Strings in NO DEBUG mode to +// save some space. +// +// 3 4/27/07 5:14p Olegi +// CSM.CHM file preparation. +// +// 2 3/04/05 1:43p Mandal +// +// 1 2/15/05 10:59a Olegi +// Initial VSS check-in. +// +//********************************************************************** +//<AMI_FHDR_START> +// +// Name: CsmBlkIoComponentName.c +// +// Description: Set of functions that implement Component Name protocol +// for the CSM BlockIO driver. +// +//<AMI_FHDR_END> +//********************************************************************** + +#include "CsmBlockIo.h" + +#ifndef EFI_COMPONENT_NAME2_PROTOCOL_GUID //old Core +#define LANGUAGE_CODE_ENGLISH "eng" +#define EFI_COMPONENT_NAME2_PROTOCOL EFI_COMPONENT_NAME_PROTOCOL +#endif + +// +// EFI Component Name Functions +// +EFI_STATUS +CsmBlockIoComponentNameGetDriverName ( + IN EFI_COMPONENT_NAME2_PROTOCOL *This, + IN CHAR8 *Language, + OUT CHAR16 **DriverName + ); + +EFI_STATUS +CsmBlockIoComponentNameGetControllerName ( + IN EFI_COMPONENT_NAME2_PROTOCOL *This, + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE ChildHandle OPTIONAL, + IN CHAR8 *Language, + OUT CHAR16 **ControllerName + ); + +CHAR16 *gCsmBlockIoDriverName = L"AMI CSM Block I/O Driver"; +CHAR16 gCsmBlockIoControllerName[256]; + +EFI_COMPONENT_NAME2_PROTOCOL gCsmBlockIoComponentName = { + CsmBlockIoComponentNameGetDriverName, + CsmBlockIoComponentNameGetControllerName, + LANGUAGE_CODE_ENGLISH +}; + +static BOOLEAN LanguageCodesEqual( + CONST CHAR8* LangCode1, CONST CHAR8* LangCode2 +){ + return LangCode1[0]==LangCode2[0] + && LangCode1[1]==LangCode2[1] + && LangCode1[2]==LangCode2[2]; +} + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// FUNCTION: CsmBlockIoComponentNameGetDriverName +// +// DESCRIPTION: Retrieves a Unicode string that is the user readable name of +// the EFI Driver. +// +// +// PARAMETERS: +// This - A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance. +// Language - A pointer to a three character ISO 639-2 language identifier. +// This is the language of the driver name that that the caller +// is requesting, and it must match one of the languages specified +// in SupportedLanguages. The number of languages supported by a +// driver is up to the driver writer. +// DriverName - A pointer to the Unicode string to return. This Unicode string +// is the name of the driver specified by This in the language +// specified by Language. +// +// RETURN: +// EFI_SUCCES - The Unicode string for the Driver specified by This +// and the language specified by Language was returned +// in DriverName. +// EFI_INVALID_PARAMETER - Language is NULL. +// EFI_INVALID_PARAMETER - DriverName is NULL. +// EFI_UNSUPPORTED - The driver specified by This does not support the +// language specified by Language. +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS +CsmBlockIoComponentNameGetDriverName ( + IN EFI_COMPONENT_NAME2_PROTOCOL *This, + IN CHAR8 *Language, + OUT CHAR16 **DriverName + ) +{ + // + //Supports only English + // + if (!Language || !DriverName) return EFI_INVALID_PARAMETER; + if (!LanguageCodesEqual( Language, LANGUAGE_CODE_ENGLISH)) return EFI_UNSUPPORTED; + *DriverName = gCsmBlockIoDriverName; + return EFI_SUCCESS; +} + +//--------------------------------------------------------------------------- +//<AMI_PHDR_START> +// +// FUNCTION: CsmBlockIoComponentNameGetControllerName +// +// DESCRIPTION: Retrieves a Unicode string that is the user readable name of +// the controller that is being managed by an EFI Driver. +// +// PARAMETERS: +// This - A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance. +// ControllerHandle - The handle of a controller that the driver specified by +// This is managing. This handle specifies the controller +// whose name is to be returned. +// ChildHandle - The handle of the child controller to retrieve the name +// of. This is an optional parameter that may be NULL. It +// will be NULL for device drivers. It will also be NULL +// for a bus drivers that wish to retrieve the name of the +// bus controller. It will not be NULL for a bus driver +// that wishes to retrieve the name of a child controller. +// Language - A pointer to a three character ISO 639-2 language +// identifier. This is the language of the controller name +// that that the caller is requesting, and it must match one +// of the languages specified in SupportedLanguages. The +// number of languages supported by a driver is up to the +// driver writer. +// ControllerName - A pointer to the Unicode string to return. This Unicode +// string is the name of the controller specified by +// ControllerHandle and ChildHandle in the language +// specified by Language from the point of view of the +// driver specified by This. +// +// RETURNS: +// EFI_SUCCESS - The Unicode string for the user readable name in the +// language specified by Language for the driver +// specified by This was returned in DriverName. +// EFI_INVALID_PARAMETER - ControllerHandle is not a valid EFI_HANDLE. +// EFI_INVALID_PARAMETER - ChildHandle is not NULL and it is not a valid +// EFI_HANDLE. +// EFI_INVALID_PARAMETER - Language is NULL. +// EFI_INVALID_PARAMETER - ControllerName is NULL. +// EFI_UNSUPPORTED - The driver specified by This is not currently +// managing the controller specified by +// ControllerHandle and ChildHandle. +// EFI_UNSUPPORTED - The driver specified by This does not support the +// language specified by Language. +// +//<AMI_PHDR_END> +//--------------------------------------------------------------------------- + +EFI_STATUS +CsmBlockIoComponentNameGetControllerName ( + IN EFI_COMPONENT_NAME2_PROTOCOL *This, + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE ChildHandle OPTIONAL, + IN CHAR8 *Language, + OUT CHAR16 **ControllerName + ) +{ + EFI_STATUS Status; + EFI_LEGACY_BIOS_EXT_PROTOCOL *LegacyBiosExt; + UINT8 BbsCount; + BBS_TABLE *BbsEntry; + UINT32 i; + EFI_HANDLE Handle; + CHAR8 *Str; + UINT8 Index = 0; + + // + //Supports only "eng" + // + if (!Language || !ControllerName) return EFI_INVALID_PARAMETER; + if (!LanguageCodesEqual( Language, LANGUAGE_CODE_ENGLISH)) return EFI_UNSUPPORTED; + if (ChildHandle == NULL) return EFI_UNSUPPORTED; + + Status = pBS->LocateProtocol(&gEfiLegacyBiosExtProtocolGuid, NULL, (VOID**)&LegacyBiosExt); + if (EFI_ERROR(Status)) return Status; + + Status = LegacyBiosExt->GetBbsTable(&BbsEntry, &BbsCount); + if (EFI_ERROR(Status)) return Status; + + ZeroMemory(gCsmBlockIoControllerName, sizeof(gCsmBlockIoControllerName)); + + for (i = 0; i < MAX_BBS_ENTRIES_NO; i++, BbsEntry++) { + Handle = *(VOID**)(&BbsEntry->IBV1); + if (Handle == ChildHandle) { + Str = (CHAR8*)(UINTN)((BbsEntry->DescStringSegment<<4) + BbsEntry->DescStringOffset); + if (Str == NULL) return EFI_UNSUPPORTED; + // + // Transfer Ascii code to Unicode + // + while (Str[Index] != 0) { + gCsmBlockIoControllerName[Index] = (CHAR16)Str[Index]; + Index++; + } + + *ControllerName = gCsmBlockIoControllerName; + return EFI_SUCCESS; + } + } + return EFI_UNSUPPORTED; +} + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2010, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** |