mirror of https://github.com/acidanthera/audk.git
702 lines
16 KiB
C
702 lines
16 KiB
C
/** @file
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Simple Console that sits on a SerialLib.
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Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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/*
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Symbols used in table below
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===========================
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ESC = 0x1B
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CSI = 0x9B
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DEL = 0x7f
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^ = CTRL
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+=========+======+===========+==========+==========+
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| | EFI | UEFI 2.0 | | |
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| | Scan | | VT100+ | |
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| KEY | Code | PC ANSI | VTUTF8 | VT100 |
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+=========+======+===========+==========+==========+
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| NULL | 0x00 | | | |
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| UP | 0x01 | ESC [ A | ESC [ A | ESC [ A |
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| DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B |
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| RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C |
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| LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D |
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| HOME | 0x05 | ESC [ H | ESC h | ESC [ H |
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| END | 0x06 | ESC [ F | ESC k | ESC [ K |
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| INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ |
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| | | ESC [ L | | ESC [ L |
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| DELETE | 0x08 | ESC [ X | ESC - | ESC [ P |
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| PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V |
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| | | | | ESC [ ? |
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| PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U |
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| | | | | ESC [ / |
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| F1 | 0x0B | ESC [ M | ESC 1 | ESC O P |
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| F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q |
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| F3 | 0x0D | ESC [ O | ESC 3 | ESC O w |
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| F4 | 0x0E | ESC [ P | ESC 4 | ESC O x |
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| F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t |
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| F6 | 0x10 | ESC [ R | ESC 6 | ESC O u |
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| F7 | 0x11 | ESC [ S | ESC 7 | ESC O q |
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| F8 | 0x12 | ESC [ T | ESC 8 | ESC O r |
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| F9 | 0x13 | ESC [ U | ESC 9 | ESC O p |
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| F10 | 0x14 | ESC [ V | ESC 0 | ESC O M |
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| Escape | 0x17 | ESC | ESC | ESC |
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| F11 | 0x15 | | ESC ! | |
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| F12 | 0x16 | | ESC @ | |
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+=========+======+===========+==========+==========+
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*/
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#include <PiDxe.h>
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#include <Library/UefiLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/BaseLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/DebugLib.h>
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#include <Library/SerialPortLib.h>
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#include <Library/PcdLib.h>
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#include <Protocol/SerialIo.h>
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#include <Protocol/SimpleTextIn.h>
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#include <Protocol/SimpleTextOut.h>
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#include <Protocol/DevicePath.h>
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#define MODE0_COLUMN_COUNT 80
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#define MODE0_ROW_COUNT 25
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EFI_STATUS
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EFIAPI
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TextInReset(
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IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
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IN BOOLEAN ExtendedVerification
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);
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EFI_STATUS
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EFIAPI
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ReadKeyStroke(
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IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
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OUT EFI_INPUT_KEY *Key
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);
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EFI_STATUS
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EFIAPI
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TextOutReset(
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN BOOLEAN ExtendedVerification
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);
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CHAR8 *
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EFIAPI
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SafeUnicodeStrToAsciiStr (
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IN CONST CHAR16 *Source,
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OUT CHAR8 *Destination
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);
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EFI_STATUS
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EFIAPI
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OutputString (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN CHAR16 *String
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);
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EFI_STATUS
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EFIAPI
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TestString (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN CHAR16 *String
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);
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EFI_STATUS
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EFIAPI
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QueryMode (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN UINTN ModeNumber,
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OUT UINTN *Columns,
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OUT UINTN *Rows
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);
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EFI_STATUS
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EFIAPI
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SetMode(
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN UINTN ModeNumber
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);
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EFI_STATUS
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EFIAPI
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SetAttribute(
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN UINTN Attribute
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);
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EFI_STATUS
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EFIAPI
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ClearScreen (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This
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);
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EFI_STATUS
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EFIAPI
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SetCursorPosition (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN UINTN Column,
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IN UINTN Row
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);
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EFI_STATUS
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EFIAPI
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EnableCursor (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN BOOLEAN Enable
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);
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EFI_SIMPLE_TEXT_INPUT_PROTOCOL mSimpleTextIn = {
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TextInReset,
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ReadKeyStroke,
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NULL
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};
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EFI_SIMPLE_TEXT_OUTPUT_MODE mSimpleTextOutMode = {
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1,
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0,
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EFI_TEXT_ATTR( EFI_LIGHTGRAY, EFI_BLACK ),
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0,
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0,
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TRUE
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};
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EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL mSimpleTextOut = {
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TextOutReset,
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OutputString,
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TestString,
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QueryMode,
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SetMode,
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SetAttribute,
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ClearScreen,
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SetCursorPosition,
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EnableCursor,
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&mSimpleTextOutMode
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};
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EFI_HANDLE mInstallHandle = NULL;
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typedef struct {
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VENDOR_DEVICE_PATH Guid;
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UART_DEVICE_PATH Uart;
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EFI_DEVICE_PATH_PROTOCOL End;
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} SIMPLE_TEXT_OUT_DEVICE_PATH;
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SIMPLE_TEXT_OUT_DEVICE_PATH mDevicePath = {
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{
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{ HARDWARE_DEVICE_PATH, HW_VENDOR_DP, sizeof (VENDOR_DEVICE_PATH), 0},
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EFI_CALLER_ID_GUID
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},
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{
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{ END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, sizeof (UART_DEVICE_PATH), 0},
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0, // Reserved
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FixedPcdGet64 (PcdUartDefaultBaudRate), // BaudRate
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FixedPcdGet8 (PcdUartDefaultDataBits), // DataBits
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FixedPcdGet8 (PcdUartDefaultParity), // Parity (N)
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FixedPcdGet8 (PcdUartDefaultStopBits) // StopBits
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},
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{ END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, sizeof (EFI_DEVICE_PATH_PROTOCOL), 0}
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};
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BOOLEAN
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TextOutIsValidAscii (
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IN CHAR16 Ascii
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)
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{
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//
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// valid ASCII code lies in the extent of 0x20 - 0x7F
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//
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if ((Ascii >= 0x20) && (Ascii <= 0x7F)) {
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return TRUE;
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}
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return FALSE;
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}
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BOOLEAN
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TextOutIsValidEfiCntlChar (
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IN CHAR16 Char
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)
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{
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//
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// only support four control characters.
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//
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if (Char == CHAR_NULL ||
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Char == CHAR_BACKSPACE ||
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Char == CHAR_LINEFEED ||
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Char == CHAR_CARRIAGE_RETURN ||
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Char == CHAR_TAB ) {
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return TRUE;
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}
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return FALSE;
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}
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VOID
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EFIAPI
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WaitForKeyEvent (
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IN EFI_EVENT Event,
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IN VOID *Context
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)
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{
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if (SerialPortPoll ()) {
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gBS->SignalEvent (Event);
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}
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}
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EFI_STATUS
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EFIAPI
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TextInReset (
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IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
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IN BOOLEAN ExtendedVerification
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)
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{
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return EFI_SUCCESS;
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}
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EFI_STATUS
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EFIAPI
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ReadKeyStroke (
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IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
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OUT EFI_INPUT_KEY *Key
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)
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{
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CHAR8 Char;
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if (!SerialPortPoll ()) {
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return EFI_NOT_READY;
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}
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SerialPortRead ((UINT8 *)&Char, 1);
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//
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// Check for ESC sequence. This code is not techincally correct VT100 code.
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// An illegal ESC sequence represents an ESC and the characters that follow.
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// This code will eat one or two chars after an escape. This is done to
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// prevent some complex FIFOing of the data. It is good enough to get
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// the arrow and delete keys working
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//
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Key->UnicodeChar = 0;
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Key->ScanCode = SCAN_NULL;
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if (Char == 0x1b) {
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SerialPortRead ((UINT8 *)&Char, 1);
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if (Char == '[') {
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SerialPortRead ((UINT8 *)&Char, 1);
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switch (Char) {
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case 'A':
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Key->ScanCode = SCAN_UP;
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break;
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case 'B':
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Key->ScanCode = SCAN_DOWN;
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break;
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case 'C':
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Key->ScanCode = SCAN_RIGHT;
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break;
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case 'D':
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Key->ScanCode = SCAN_LEFT;
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break;
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case 'H':
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Key->ScanCode = SCAN_HOME;
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break;
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case 'K':
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case 'F': // PC ANSI
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Key->ScanCode = SCAN_END;
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break;
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case '@':
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case 'L':
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Key->ScanCode = SCAN_INSERT;
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break;
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case 'P':
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case 'X': // PC ANSI
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Key->ScanCode = SCAN_DELETE;
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break;
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case 'U':
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case '/':
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case 'G': // PC ANSI
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Key->ScanCode = SCAN_PAGE_DOWN;
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break;
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case 'V':
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case '?':
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case 'I': // PC ANSI
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Key->ScanCode = SCAN_PAGE_UP;
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break;
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// PCANSI that does not conflict with VT100
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case 'M':
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Key->ScanCode = SCAN_F1;
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break;
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case 'N':
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Key->ScanCode = SCAN_F2;
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break;
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case 'O':
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Key->ScanCode = SCAN_F3;
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break;
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case 'Q':
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Key->ScanCode = SCAN_F5;
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break;
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case 'R':
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Key->ScanCode = SCAN_F6;
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break;
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case 'S':
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Key->ScanCode = SCAN_F7;
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break;
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case 'T':
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Key->ScanCode = SCAN_F8;
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break;
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default:
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Key->UnicodeChar = Char;
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break;
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}
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} else if (Char == '0') {
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SerialPortRead ((UINT8 *)&Char, 1);
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switch (Char) {
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case 'P':
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Key->ScanCode = SCAN_F1;
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break;
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case 'Q':
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Key->ScanCode = SCAN_F2;
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break;
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case 'w':
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Key->ScanCode = SCAN_F3;
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break;
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case 'x':
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Key->ScanCode = SCAN_F4;
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break;
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case 't':
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Key->ScanCode = SCAN_F5;
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break;
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case 'u':
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Key->ScanCode = SCAN_F6;
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break;
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case 'q':
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Key->ScanCode = SCAN_F7;
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break;
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case 'r':
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Key->ScanCode = SCAN_F8;
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break;
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case 'p':
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Key->ScanCode = SCAN_F9;
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break;
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case 'm':
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Key->ScanCode = SCAN_F10;
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break;
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default :
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break;
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}
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}
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} else if (Char < ' ') {
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if ((Char == CHAR_BACKSPACE) ||
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(Char == CHAR_TAB) ||
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(Char == CHAR_LINEFEED) ||
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(Char == CHAR_CARRIAGE_RETURN)) {
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// Only let through EFI required control characters
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Key->UnicodeChar = (CHAR16)Char;
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}
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} else if (Char == 0x7f) {
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Key->ScanCode = SCAN_DELETE;
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} else {
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Key->UnicodeChar = (CHAR16)Char;
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}
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return EFI_SUCCESS;
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}
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EFI_STATUS
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EFIAPI
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TextOutReset (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN BOOLEAN ExtendedVerification
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)
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{
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EFI_STATUS Status;
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This->SetAttribute(
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This,
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EFI_TEXT_ATTR(This->Mode->Attribute & 0x0F, EFI_BACKGROUND_BLACK)
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);
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Status = This->SetMode (This, 0);
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return Status;
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}
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CHAR8 *
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EFIAPI
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SafeUnicodeStrToAsciiStr (
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IN CONST CHAR16 *Source,
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OUT CHAR8 *Destination
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)
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{
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CHAR8 *ReturnValue;
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ASSERT (Destination != NULL);
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//
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// ASSERT if Source is long than PcdMaximumUnicodeStringLength.
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// Length tests are performed inside StrLen().
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//
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ASSERT (StrSize (Source) != 0);
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//
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// Source and Destination should not overlap
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//
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ASSERT ((UINTN) ((CHAR16 *) Destination - Source) > StrLen (Source));
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ASSERT ((UINTN) ((CHAR8 *) Source - Destination) > StrLen (Source));
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ReturnValue = Destination;
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while (*Source != '\0') {
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//
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// If any non-ascii characters in Source then replace it with '?'.
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//
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if (*Source < 0x80) {
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*Destination = (CHAR8) *Source;
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} else {
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*Destination = '?';
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//Surrogate pair check.
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if ((*Source >= 0xD800) && (*Source <= 0xDFFF)) {
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Source++;
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}
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}
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Destination++;
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Source++;
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}
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*Destination = '\0';
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//
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// ASSERT Original Destination is less long than PcdMaximumAsciiStringLength.
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// Length tests are performed inside AsciiStrLen().
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//
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ASSERT (AsciiStrSize (ReturnValue) != 0);
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return ReturnValue;
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}
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EFI_STATUS
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EFIAPI
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OutputString (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN CHAR16 *String
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)
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{
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UINTN Size = StrLen(String) + 1;
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CHAR8 *OutputString = AllocatePool(Size);
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//If there is any non-ascii characters in String buffer then replace it with '?'
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//Eventually, UnicodeStrToAsciiStr API should be fixed.
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SafeUnicodeStrToAsciiStr(String, OutputString);
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SerialPortWrite ((UINT8 *)OutputString, Size - 1);
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FreePool(OutputString);
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return EFI_SUCCESS;
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}
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EFI_STATUS
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EFIAPI
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TestString (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN CHAR16 *String
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)
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{
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CHAR8 Character;
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for ( ; *String != CHAR_NULL; String++) {
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Character = (CHAR8)*String;
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if (!(TextOutIsValidAscii (Character) || TextOutIsValidEfiCntlChar (Character))) {
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return EFI_UNSUPPORTED;
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}
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}
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return EFI_SUCCESS;
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}
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EFI_STATUS
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EFIAPI
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QueryMode (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN UINTN ModeNumber,
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OUT UINTN *Columns,
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OUT UINTN *Rows
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)
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{
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if (This->Mode->MaxMode > 1) {
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return EFI_DEVICE_ERROR;
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}
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if (ModeNumber == 0) {
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*Columns = MODE0_COLUMN_COUNT;
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*Rows = MODE0_ROW_COUNT;
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return EFI_SUCCESS;
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}
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return EFI_UNSUPPORTED;
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}
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EFI_STATUS
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EFIAPI
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SetMode (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN UINTN ModeNumber
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)
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{
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if (ModeNumber != 0) {
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return EFI_UNSUPPORTED;
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}
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This->Mode->Mode = 0;
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This->ClearScreen (This);
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return EFI_SUCCESS;
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}
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EFI_STATUS
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EFIAPI
|
|
SetAttribute(
|
|
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
|
|
IN UINTN Attribute
|
|
)
|
|
{
|
|
This->Mode->Attribute = (INT32)Attribute;
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
ClearScreen (
|
|
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
Status = This->SetCursorPosition (This, 0, 0);
|
|
return Status;
|
|
}
|
|
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
SetCursorPosition (
|
|
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
|
|
IN UINTN Column,
|
|
IN UINTN Row
|
|
)
|
|
{
|
|
EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;
|
|
EFI_STATUS Status;
|
|
UINTN MaxColumn;
|
|
UINTN MaxRow;
|
|
|
|
Mode = This->Mode;
|
|
|
|
Status = This->QueryMode(
|
|
This,
|
|
Mode->Mode,
|
|
&MaxColumn,
|
|
&MaxRow
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
if ((Column >= MaxColumn) || (Row >= MaxRow)) {
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
Mode->CursorColumn = (INT32)Column;
|
|
Mode->CursorRow = (INT32)Row;
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EnableCursor (
|
|
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
|
|
IN BOOLEAN Enable
|
|
)
|
|
{
|
|
if (!Enable) {
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
SimpleTextInOutEntryPoint (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
Status = gBS->CreateEvent (
|
|
EVT_NOTIFY_WAIT,
|
|
TPL_NOTIFY,
|
|
WaitForKeyEvent,
|
|
NULL,
|
|
&mSimpleTextIn.WaitForKey
|
|
);
|
|
ASSERT_EFI_ERROR (Status);
|
|
|
|
Status = gBS->InstallMultipleProtocolInterfaces(
|
|
&mInstallHandle,
|
|
&gEfiSimpleTextInProtocolGuid, &mSimpleTextIn,
|
|
&gEfiSimpleTextOutProtocolGuid, &mSimpleTextOut,
|
|
&gEfiDevicePathProtocolGuid, &mDevicePath,
|
|
NULL
|
|
);
|
|
if (!EFI_ERROR (Status)) {
|
|
gST->ConOut = &mSimpleTextOut;
|
|
gST->ConIn = &mSimpleTextIn;
|
|
}
|
|
|
|
return Status;
|
|
}
|