EmulatorPkg/Win: Enable native OS console as firmware console

The patch implements Stdin/Stdout/Stderr access so that
the native OS console (cmd.exe) can be used as the firmware
console and debug message can also be routed to it.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
Cc: Andrew Fish <afish@apple.com>
This commit is contained in:
Ruiyu Ni 2018-08-23 13:13:21 +08:00
parent 0d9b5c461a
commit 5601e90d5c
1 changed files with 105 additions and 4 deletions

View File

@ -42,7 +42,19 @@ SecWriteStdErr (
IN UINTN NumberOfBytes
)
{
return 0;
BOOL Success;
DWORD CharCount;
CharCount = (DWORD)NumberOfBytes;
Success = WriteFile (
GetStdHandle (STD_ERROR_HANDLE),
Buffer,
CharCount,
&CharCount,
NULL
);
return Success ? CharCount : 0;
}
@ -51,7 +63,32 @@ SecConfigStdIn (
VOID
)
{
return EFI_SUCCESS;
BOOL Success;
DWORD Mode;
Success = GetConsoleMode (GetStdHandle (STD_INPUT_HANDLE), &Mode);
if (Success) {
//
// Disable buffer (line input), echo, mouse, window
//
Success = SetConsoleMode (
GetStdHandle (STD_INPUT_HANDLE),
Mode | ENABLE_VIRTUAL_TERMINAL_INPUT & ~(ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT | ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT)
);
}
if (Success) {
//
// Enable terminal mode
//
Success = GetConsoleMode (GetStdHandle (STD_OUTPUT_HANDLE), &Mode);
if (Success) {
Success = SetConsoleMode (
GetStdHandle (STD_OUTPUT_HANDLE),
Mode | ENABLE_VIRTUAL_TERMINAL_PROCESSING | DISABLE_NEWLINE_AUTO_RETURN
);
}
}
return Success ? EFI_SUCCESS : EFI_DEVICE_ERROR;
}
UINTN
@ -60,7 +97,19 @@ SecWriteStdOut (
IN UINTN NumberOfBytes
)
{
return 0;
BOOL Success;
DWORD CharCount;
CharCount = (DWORD)NumberOfBytes;
Success = WriteFile (
GetStdHandle (STD_OUTPUT_HANDLE),
Buffer,
CharCount,
&CharCount,
NULL
);
return Success ? CharCount : 0;
}
BOOLEAN
@ -68,6 +117,38 @@ SecPollStdIn (
VOID
)
{
BOOL Success;
INPUT_RECORD Record;
DWORD RecordNum;
do {
Success = GetNumberOfConsoleInputEvents (GetStdHandle (STD_INPUT_HANDLE), &RecordNum);
if (!Success || (RecordNum == 0)) {
break;
}
Success = PeekConsoleInput (
GetStdHandle (STD_INPUT_HANDLE),
&Record,
1,
&RecordNum
);
if (Success && (RecordNum == 1)) {
if (Record.EventType == KEY_EVENT && Record.Event.KeyEvent.bKeyDown) {
return TRUE;
} else {
//
// Consume the non-key event.
//
Success = ReadConsoleInput (
GetStdHandle (STD_INPUT_HANDLE),
&Record,
1,
&RecordNum
);
}
}
} while (Success);
return FALSE;
}
@ -77,7 +158,27 @@ SecReadStdIn (
IN UINTN NumberOfBytes
)
{
BOOL Success;
INPUT_RECORD Record;
DWORD RecordNum;
UINTN BytesReturn;
if (!SecPollStdIn ()) {
return 0;
}
Success = ReadConsoleInput (
GetStdHandle (STD_INPUT_HANDLE),
&Record,
1,
&RecordNum
);
ASSERT (Success && (RecordNum == 1) && (Record.EventType == KEY_EVENT) && (Record.Event.KeyEvent.bKeyDown));
NumberOfBytes = MIN (Record.Event.KeyEvent.wRepeatCount, NumberOfBytes);
BytesReturn = NumberOfBytes;
while (NumberOfBytes-- != 0) {
Buffer[NumberOfBytes] = Record.Event.KeyEvent.uChar.AsciiChar;
}
return BytesReturn;
}