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[efi] Print well-known GUIDs by name in debug messages

Signed-off-by: Michael Brown <mcb30@ipxe.org>
tags/v1.20.1
Michael Brown 10 anni fa
parent
commit
d4a7cbfb64
1 ha cambiato i file con 32 aggiunte e 0 eliminazioni
  1. 32
    0
      src/interface/efi/efi_debug.c

+ 32
- 0
src/interface/efi/efi_debug.c Vedi File

@@ -34,6 +34,10 @@ FILE_LICENCE ( GPL2_OR_LATER );
34 34
 #include <ipxe/efi/efi_driver.h>
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 #include <ipxe/efi/Protocol/DevicePath.h>
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 #include <ipxe/efi/Protocol/DevicePathToText.h>
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+#include <ipxe/efi/Protocol/BlockIo.h>
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+#include <ipxe/efi/Protocol/DiskIo.h>
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+#include <ipxe/efi/Protocol/SimpleFileSystem.h>
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+#include <ipxe/efi/Protocol/SimpleNetwork.h>
37 41
 
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 /** Device path protocol GUID */
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 static EFI_GUID efi_device_path_protocol_guid
@@ -43,6 +47,24 @@ static EFI_GUID efi_device_path_protocol_guid
43 47
 static EFI_DEVICE_PATH_TO_TEXT_PROTOCOL *efidpt;
44 48
 EFI_REQUEST_PROTOCOL ( EFI_DEVICE_PATH_TO_TEXT_PROTOCOL, &efidpt );
45 49
 
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+/** A well-known GUID */
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+struct efi_well_known_guid {
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+	/** GUID */
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+	EFI_GUID guid;
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+	/** Name */
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+	const char *name;
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+};
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+
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+/** Well-known GUIDs */
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+static struct efi_well_known_guid efi_well_known_guids[] = {
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+	{ EFI_BLOCK_IO_PROTOCOL_GUID,		"BlockIo" },
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+	{ EFI_DISK_IO_PROTOCOL_GUID,		"DiskIo" },
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+	{ EFI_DEVICE_PATH_PROTOCOL_GUID,	"DevicePath" },
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+	{ EFI_LOADED_IMAGE_PROTOCOL_GUID,	"LoadedImage" },
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+	{ EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID,	"SimpleFileSystem" },
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+	{ EFI_SIMPLE_NETWORK_PROTOCOL_GUID,	"SimpleNetwork" },
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+};
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+
46 68
 /**
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  * Convert GUID to a printable string
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  *
@@ -54,6 +76,16 @@ const char * efi_guid_ntoa ( EFI_GUID *guid ) {
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 		union uuid uuid;
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 		EFI_GUID guid;
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 	} u;
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+	unsigned int i;
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+
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+	/* Check for a match against well-known GUIDs */
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+	for ( i = 0 ; i < ( sizeof ( efi_well_known_guids ) /
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+			    sizeof ( efi_well_known_guids[0] ) ) ; i++ ) {
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+		if ( memcmp ( guid, &efi_well_known_guids[i].guid,
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+			      sizeof ( *guid ) ) == 0 ) {
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+			return efi_well_known_guids[i].name;
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+		}
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+	}
57 89
 
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 	/* Convert GUID to standard endianness */
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 	memcpy ( &u.guid, guid, sizeof ( u.guid ) );

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