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-rw-r--r--MdeModulePkg/Universal/Console/TerminalDxe/Terminal.c55
1 files changed, 29 insertions, 26 deletions
diff --git a/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.c b/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.c
index cf7f4e6ebc..fe09f01d59 100644
--- a/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.c
+++ b/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.c
@@ -29,7 +29,7 @@ EFI_DRIVER_BINDING_PROTOCOL gTerminalDriverBinding = {
};
-EFI_GUID *gTerminalType[] = {
+EFI_GUID *mTerminalType[] = {
&gEfiPcAnsiGuid,
&gEfiVT100Guid,
&gEfiVT100PlusGuid,
@@ -112,6 +112,28 @@ TERMINAL_CONSOLE_MODE_DATA mTerminalConsoleModeData[] = {
};
/**
+ Convert the GUID representation of terminal type to enum type.
+
+ @param Guid The GUID representation of terminal type.
+
+ @return The terminal type in enum type.
+**/
+TERMINAL_TYPE
+TerminalTypeFromGuid (
+ IN EFI_GUID *Guid
+)
+{
+ TERMINAL_TYPE Type;
+
+ for (Type = 0; Type < ARRAY_SIZE (mTerminalType); Type++) {
+ if (CompareGuid (Guid, mTerminalType[Type])) {
+ break;
+ }
+ }
+ return Type;
+}
+
+/**
Test to see if this driver supports Controller.
@param This Protocol instance pointer.
@@ -163,12 +185,7 @@ TerminalDriverBindingSupported (
//
// only supports PC ANSI, VT100, VT100+, VT-UTF8, and TtyTerm terminal types
//
- if (!CompareGuid (&Node->Guid, &gEfiPcAnsiGuid) &&
- !CompareGuid (&Node->Guid, &gEfiVT100Guid) &&
- !CompareGuid (&Node->Guid, &gEfiVT100PlusGuid) &&
- !CompareGuid (&Node->Guid, &gEfiVTUTF8Guid) &&
- !CompareGuid (&Node->Guid, &gEfiTtyTermGuid)) {
-
+ if (TerminalTypeFromGuid (&Node->Guid) == ARRAY_SIZE (mTerminalType)) {
return EFI_UNSUPPORTED;
}
}
@@ -712,29 +729,13 @@ TerminalDriverBindingStart (
//
if (RemainingDevicePath == NULL) {
TerminalType = PcdGet8 (PcdDefaultTerminalType);
- //
- // Must be between TerminalTypePcAnsi (0) and TerminalTypeTtyTerm (4)
- //
- ASSERT (TerminalType <= TerminalTypeTtyTerm);
} else if (!IsDevicePathEnd (RemainingDevicePath)) {
//
// If RemainingDevicePath isn't the End of Device Path Node,
// Use the RemainingDevicePath to determine the terminal type
//
Node = (VENDOR_DEVICE_PATH *)RemainingDevicePath;
- if (CompareGuid (&Node->Guid, &gEfiPcAnsiGuid)) {
- TerminalType = TerminalTypePcAnsi;
- } else if (CompareGuid (&Node->Guid, &gEfiVT100Guid)) {
- TerminalType = TerminalTypeVt100;
- } else if (CompareGuid (&Node->Guid, &gEfiVT100PlusGuid)) {
- TerminalType = TerminalTypeVt100Plus;
- } else if (CompareGuid (&Node->Guid, &gEfiVTUTF8Guid)) {
- TerminalType = TerminalTypeVtUtf8;
- } else if (CompareGuid (&Node->Guid, &gEfiTtyTermGuid)) {
- TerminalType = TerminalTypeTtyTerm;
- } else {
- goto Error;
- }
+ TerminalType = TerminalTypeFromGuid (&Node->Guid);
} else {
//
// If RemainingDevicePath is the End of Device Path Node,
@@ -743,6 +744,8 @@ TerminalDriverBindingStart (
return EFI_SUCCESS;
}
+ ASSERT (TerminalType < ARRAY_SIZE (mTerminalType));
+
//
// Initialize the Terminal Dev
//
@@ -1473,7 +1476,7 @@ TerminalUpdateConsoleDevVariable (
//
// Append terminal device path onto the variable.
//
- for (TerminalType = TerminalTypePcAnsi; TerminalType <= TerminalTypeTtyTerm; TerminalType++) {
+ for (TerminalType = 0; TerminalType < ARRAY_SIZE (mTerminalType); TerminalType++) {
SetTerminalDevicePath (TerminalType, ParentDevicePath, &TempDevicePath);
NewVariable = AppendDevicePathInstance (Variable, TempDevicePath);
ASSERT (NewVariable != NULL);
@@ -1586,7 +1589,7 @@ TerminalRemoveConsoleDevVariable (
// Loop through all the terminal types that this driver supports
//
Match = FALSE;
- for (TerminalType = TerminalTypePcAnsi; TerminalType <= TerminalTypeTtyTerm; TerminalType++) {
+ for (TerminalType = 0; TerminalType < ARRAY_SIZE (mTerminalType); TerminalType++) {
SetTerminalDevicePath (TerminalType, ParentDevicePath, &TempDevicePath);