diff options
| -rw-r--r-- | src/Boot/Windows/BootConsoleIo.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/Boot/Windows/BootConsoleIo.cpp b/src/Boot/Windows/BootConsoleIo.cpp index 2fee84fc..60305ea1 100644 --- a/src/Boot/Windows/BootConsoleIo.cpp +++ b/src/Boot/Windows/BootConsoleIo.cpp @@ -299,6 +299,12 @@ void ClearBiosKeystrokeBuffer () mov cx, 32 cld rep stosb + + // reset position pointers at 0x41A and 0x41C to the begining + // of keyboard buffer to avoid revealing password/PIM length + mov ax, 0x001e + mov es:[0x41a], ax + mov es:[0x41c], ax pop es } } |