[efi] Show original filenames in debug messages

Show the original filename as used by the consumer when calling our
EFI_SIMPLE_FILE_SYSTEM_PROTOCOL's Open() method.

Signed-off-by: Michael Brown <mcb30@ipxe.org>

diff --git a/src/interface/efi/efi_file.c b/src/interface/efi/efi_file.c
index 2ac6e2b20642ae0b96c3cd252ba8af63fb3744b8..fd0bcc6ce672f954a63d888338989193c59949ff 100644 (file)
--- a/src/interface/efi/efi_file.c
+++ b/src/interface/efi/efi_file.c
@@ -291,10 +291,12 @@ static size_t efi_file_read_initrd ( struct efi_file_reader *reader ) {
  * Open fixed file
  *
  * @v file             EFI file
+ * @v wname            Filename
  * @v new              New EFI file
  * @ret efirc          EFI status code
  */
 static EFI_STATUS efi_file_open_fixed ( struct efi_file *file,
+                                       const wchar_t *wname,
                                        EFI_FILE_PROTOCOL **new ) {
 
        /* Increment reference count */
@@ -303,7 +305,8 @@ static EFI_STATUS efi_file_open_fixed ( struct efi_file *file,
        /* Return opened file */
        *new = &file->file;
 
-       DBGC ( file, "EFIFILE %s opened\n", efi_file_name ( file ) );
+       DBGC ( file, "EFIFILE %s opened via %ls\n",
+              efi_file_name ( file ), wname );
        return 0;
 }
 
@@ -324,10 +327,12 @@ static void efi_file_image ( struct efi_file *file, struct image *image ) {
  * Open image-backed file
  *
  * @v image            Image
+ * @v wname            Filename
  * @v new              New EFI file
  * @ret efirc          EFI status code
  */
 static EFI_STATUS efi_file_open_image ( struct image *image,
+                                       const wchar_t *wname,
                                        EFI_FILE_PROTOCOL **new ) {
        struct efi_file *file;
 
@@ -343,7 +348,8 @@ static EFI_STATUS efi_file_open_image ( struct image *image,
        /* Return opened file */
        *new = &file->file;
 
-       DBGC ( file, "EFIFILE %s opened\n", efi_file_name ( file ) );
+       DBGC ( file, "EFIFILE %s opened via %ls\n",
+              efi_file_name ( file ), wname );
        return 0;
 }
 
@@ -377,7 +383,7 @@ efi_file_open ( EFI_FILE_PROTOCOL *this, EFI_FILE_PROTOCOL **new,
 
        /* Allow root directory itself to be opened */
        if ( ( name[0] == '\0' ) || ( name[0] == '.' ) )
-               return efi_file_open_fixed ( &efi_file_root, new );
+               return efi_file_open_fixed ( &efi_file_root, wname, new );
 
        /* Fail unless opening from the root */
        if ( file != &efi_file_root ) {
@@ -395,13 +401,15 @@ efi_file_open ( EFI_FILE_PROTOCOL *this, EFI_FILE_PROTOCOL **new,
 
        /* Allow registered images to be opened */
        if ( ( image = efi_file_find ( name ) ) != NULL )
-               return efi_file_open_image ( image, new );
+               return efi_file_open_image ( image, wname, new );
 
        /* Allow magic initrd to be opened */
-       if ( strcasecmp ( name, efi_file_initrd.file.name ) == 0 )
-               return efi_file_open_fixed ( &efi_file_initrd.file, new );
+       if ( strcasecmp ( name, efi_file_initrd.file.name ) == 0 ) {
+               return efi_file_open_fixed ( &efi_file_initrd.file, wname,
+                                            new );
+       }
 
-       DBGC ( file, "EFIFILE %s does not exist\n", name );
+       DBGC ( file, "EFIFILE %ls does not exist\n", wname );
        return EFI_NOT_FOUND;
 }
 
@@ -832,7 +840,7 @@ efi_file_open_volume ( EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *filesystem __unused,
                       EFI_FILE_PROTOCOL **file ) {
 
        DBGC ( &efi_file_root, "EFIFILE open volume\n" );
-       return efi_file_open_fixed ( &efi_file_root, file );
+       return efi_file_open_fixed ( &efi_file_root, L"<volume>", file );
 }
 
 /** EFI simple file system protocol */