diff options
Diffstat (limited to 'src/interface/efi/efi_debug.c')
| -rw-r--r-- | src/interface/efi/efi_debug.c | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/src/interface/efi/efi_debug.c b/src/interface/efi/efi_debug.c index 1bec758fe..1372776fe 100644 --- a/src/interface/efi/efi_debug.c +++ b/src/interface/efi/efi_debug.c @@ -387,6 +387,34 @@ void dbg_efi_openers ( EFI_HANDLE handle, EFI_GUID *protocol ) { } /** + * Print protocol information on a given handle + * + * @v handle EFI handle + * @v protocol Protocol GUID + */ +void dbg_efi_protocol ( EFI_HANDLE handle, EFI_GUID *protocol ) { + EFI_BOOT_SERVICES *bs = efi_systab->BootServices; + VOID *interface; + EFI_STATUS efirc; + int rc; + + /* Get protocol instance */ + if ( ( efirc = bs->HandleProtocol ( handle, protocol, + &interface ) ) != 0 ) { + rc = -EEFI ( efirc ); + printf ( "HANDLE %s could not identify %s: %s\n", + efi_handle_name ( handle ), + efi_guid_ntoa ( protocol ), strerror ( rc ) ); + return; + } + printf ( "HANDLE %s %s at %p\n", efi_handle_name ( handle ), + efi_guid_ntoa ( protocol ), interface ); + + /* Dump list of openers */ + dbg_efi_openers ( handle, protocol ); +} + +/** * Print list of protocol handlers attached to a handle * * @v handle EFI handle @@ -394,7 +422,6 @@ void dbg_efi_openers ( EFI_HANDLE handle, EFI_GUID *protocol ) { void dbg_efi_protocols ( EFI_HANDLE handle ) { EFI_BOOT_SERVICES *bs = efi_systab->BootServices; EFI_GUID **protocols; - EFI_GUID *protocol; UINTN count; unsigned int i; EFI_STATUS efirc; @@ -417,10 +444,7 @@ void dbg_efi_protocols ( EFI_HANDLE handle ) { /* Dump list of protocols */ for ( i = 0 ; i < count ; i++ ) { - protocol = protocols[i]; - printf ( "HANDLE %s %s supported\n", efi_handle_name ( handle ), - efi_guid_ntoa ( protocol ) ); - dbg_efi_openers ( handle, protocol ); + dbg_efi_protocol ( handle, protocols[i] ); } /* Free list */ |