1 files changed, 104 insertions, 0 deletions
diff --git a/gnu-efi/gnu-efi-3.0/lib/console.c b/gnu-efi/gnu-efi-3.0/lib/console.c
new file mode 100644
index 0000000..5ca47ef
--- /dev/null
+++ b/gnu-efi/gnu-efi-3.0/lib/console.c
@@ -0,0 +1,104 @@
+/*++
+
+Copyright (c) 1998  Intel Corporation
+
+Module Name:
+
+    console.c
+
+Abstract:
+
+
+
+
+Revision History
+
+--*/
+
+#include "lib.h"
+
+
+
+VOID
+Output (
+    IN CHAR16   *Str
+    )
+// Write a string to the console at the current cursor location
+{
+    uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, Str);
+}
+
+
+VOID
+Input (
+    IN CHAR16    *Prompt OPTIONAL,
+    OUT CHAR16   *InStr,
+    IN UINTN     StrLen
+    )
+// Input a string at the current cursor location, for StrLen
+{
+    IInput (
+        ST->ConOut,
+        ST->ConIn,
+        Prompt,
+        InStr,
+        StrLen
+        );
+}
+
+VOID
+IInput (
+    IN SIMPLE_TEXT_OUTPUT_INTERFACE     *ConOut,
+    IN SIMPLE_INPUT_INTERFACE           *ConIn,
+    IN CHAR16                           *Prompt OPTIONAL,
+    OUT CHAR16                          *InStr,
+    IN UINTN                            StrLen
+    )
+// Input a string at the current cursor location, for StrLen
+{
+    EFI_INPUT_KEY                   Key;
+    EFI_STATUS                      Status;
+    UINTN                           Len;
+
+    if (Prompt) {
+        ConOut->OutputString (ConOut, Prompt);
+    }
+
+    Len = 0;
+    for (; ;) {
+        WaitForSingleEvent (ConIn->WaitForKey, 0);
+
+        Status = uefi_call_wrapper(ConIn->ReadKeyStroke, 2, ConIn, &Key);
+        if (EFI_ERROR(Status)) {
+            DEBUG((D_ERROR, "Input: error return from ReadKey %x\n", Status));
+            break;
+        }
+
+        if (Key.UnicodeChar == '\n' ||
+            Key.UnicodeChar == '\r') {
+            break;
+        }
+        
+        if (Key.UnicodeChar == '\b') {
+            if (Len) {
+                uefi_call_wrapper(ConOut->OutputString, 2, ConOut, L"\b \b");
+                Len -= 1;
+            }
+            continue;
+        }
+
+        if (Key.UnicodeChar >= ' ') {
+            if (Len < StrLen-1) {
+                InStr[Len] = Key.UnicodeChar;
+
+                InStr[Len+1] = 0;
+                uefi_call_wrapper(ConOut->OutputString, 2, ConOut, &InStr[Len]);
+
+                Len += 1;
+            }
+            continue;
+        }
+    }
+
+    InStr[Len] = 0;
+}