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[efi] Also try original ComponentName protocol for retrieving driver names 

The ComponentName and ComponentName2 protocols differ only in the
standard which is used for language name codes.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/20/merge
Michael Brown 2014-08-01 10:36:25 +01:00
parent f207176987
commit 102008f648
1 changed files with 34 additions and 1 deletions
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35
src/interface/efi/efi_debug.c
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@ -348,7 +348,37 @@ const char * efi_devpath_text ( EFI_DEVICE_PATH_PROTOCOL *path ) {
* @v wtf Component name protocol
* @ret name Driver name, or NULL
*/
static const char * efi_driver_name ( EFI_COMPONENT_NAME2_PROTOCOL *wtf ) {
static const char * efi_driver_name ( EFI_COMPONENT_NAME_PROTOCOL *wtf ) {
static char name[64];
CHAR16 *driver_name;
EFI_STATUS efirc;
/* Sanity check */
if ( ! wtf ) {
DBG ( "[NULL ComponentName]" );
return NULL;
}
/* Try "eng" first; if that fails then try the first language */
if ( ( ( efirc = wtf->GetDriverName ( wtf, "eng",
&driver_name ) ) != 0 ) &&
( ( efirc = wtf->GetDriverName ( wtf, wtf->SupportedLanguages,
&driver_name ) ) != 0 ) ) {
return NULL;
}
/* Convert name from CHAR16 to char */
snprintf ( name, sizeof ( name ), "%ls", driver_name );
return name;
}
/**
* Get driver name
*
* @v wtf Component name protocol
* @ret name Driver name, or NULL
*/
static const char * efi_driver_name2 ( EFI_COMPONENT_NAME2_PROTOCOL *wtf ) {
static char name[64];
CHAR16 *driver_name;
EFI_STATUS efirc;
@ -559,6 +589,9 @@ static struct efi_handle_name_type efi_handle_name_types[] = {
efi_devpath_text ),
/* Driver name (for driver image handles) */
EFI_HANDLE_NAME_TYPE ( &efi_component_name2_protocol_guid,
efi_driver_name2 ),
/* Driver name (via obsolete original ComponentName protocol) */
EFI_HANDLE_NAME_TYPE ( &efi_component_name_protocol_guid,
efi_driver_name ),
/* PE/COFF debug filename (for image handles) */
EFI_HANDLE_NAME_TYPE ( &efi_loaded_image_protocol_guid,