diff options
Diffstat (limited to 'EmbeddedPkg/Ebl/EfiDevice.c')
| -rw-r--r-- | EmbeddedPkg/Ebl/EfiDevice.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/EmbeddedPkg/Ebl/EfiDevice.c b/EmbeddedPkg/Ebl/EfiDevice.c index 70ba70383c..80dcfcb5cc 100644 --- a/EmbeddedPkg/Ebl/EfiDevice.c +++ b/EmbeddedPkg/Ebl/EfiDevice.c @@ -207,13 +207,14 @@ EblDeviceCmd ( IN CHAR8 **Argv
)
{
+ EFI_STATUS Status;
UINTN Index;
UINTN CurrentRow;
UINTN Max;
EFI_OPEN_FILE *File;
CurrentRow = 0;
-
+
// Need to call here to make sure Device Counts are valid
EblUpdateDeviceLists ();
@@ -227,9 +228,15 @@ EblDeviceCmd ( if (File != NULL) {
if (File->FsBlockIoMedia->RemovableMedia) {
if (File->FsBlockIoMedia->MediaPresent) {
- gBS->DisconnectController (File->EfiHandle, NULL, NULL);
+ // Probe to see if media is present
+ Status = File->FsBlockIo->ReadBlocks (File->FsBlockIo, File->FsBlockIo->Media->MediaId, (EFI_LBA)0, 0, NULL);
+ if (Status == EFI_NO_MEDIA) {
+ gBS->DisconnectController (File->EfiHandle, NULL, NULL);
+ }
+ } else {
+ // Probe for media insertion and connect partition and filesystem drivers if needed
+ gBS->ConnectController (File->EfiHandle, NULL, NULL, TRUE);
}
- gBS->ConnectController (File->EfiHandle, NULL, NULL, TRUE);
}
EfiClose (File);
}
|