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https://github.com/CloverHackyColor/CloverBootloader.git
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372 lines
11 KiB
C
372 lines
11 KiB
C
/** @file
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Main file for SerMode shell Debug1 function.
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(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
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Copyright (c) 2005 - 2011, Intel Corporation. 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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#include "UefiShellDebug1CommandsLib.h"
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#include <Library/ShellLib.h>
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#include <Protocol/SerialIo.h>
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/**
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Display information about a serial device by it's handle.
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If HandleValid is FALSE, do all devices.
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@param[in] HandleIdx The handle index for the device.
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@param[in] HandleValid TRUE if HandleIdx is valid.
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@retval SHELL_INVALID_PARAMETER A parameter was invalid.
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@retval SHELL_SUCCESS The operation was successful.
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**/
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SHELL_STATUS
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DisplaySettings (
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IN UINTN HandleIdx,
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IN BOOLEAN HandleValid
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)
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{
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EFI_SERIAL_IO_PROTOCOL *SerialIo;
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UINTN NoHandles;
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EFI_HANDLE *Handles;
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EFI_STATUS Status;
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UINTN Index;
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CHAR16 *StopBits;
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CHAR16 Parity;
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SHELL_STATUS ShellStatus;
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Handles = NULL;
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StopBits = NULL;
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ShellStatus = SHELL_SUCCESS;
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Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiSerialIoProtocolGuid, NULL, &NoHandles, &Handles);
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if (EFI_ERROR (Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SERMODE_NO_FOUND), gShellDebug1HiiHandle, L"sermode");
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return SHELL_INVALID_PARAMETER;
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}
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for (Index = 0; Index < NoHandles; Index++) {
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if (HandleValid) {
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if (ConvertHandleIndexToHandle(HandleIdx) != Handles[Index]) {
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continue;
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}
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}
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Status = gBS->HandleProtocol (Handles[Index], &gEfiSerialIoProtocolGuid, (VOID**)&SerialIo);
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if (!EFI_ERROR (Status)) {
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switch (SerialIo->Mode->Parity) {
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case DefaultParity:
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Parity = 'D';
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break;
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case NoParity:
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Parity = 'N';
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break;
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case EvenParity:
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Parity = 'E';
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break;
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case OddParity:
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Parity = 'O';
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break;
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case MarkParity:
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Parity = 'M';
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break;
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case SpaceParity:
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Parity = 'S';
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break;
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default:
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Parity = 'U';
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}
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switch (SerialIo->Mode->StopBits) {
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case DefaultStopBits:
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StopBits = L"Default";
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break;
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case OneStopBit:
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StopBits = L"1";
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break;
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case TwoStopBits:
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StopBits = L"2";
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break;
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case OneFiveStopBits:
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StopBits = L"1.5";
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break;
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default:
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StopBits = L"Unknown";
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}
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ShellPrintHiiEx(
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-1,
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-1,
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NULL,
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STRING_TOKEN (STR_SERMODE_DISPLAY),
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gShellDebug1HiiHandle,
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ConvertHandleToHandleIndex (Handles[Index]),
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Handles[Index],
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SerialIo->Mode->BaudRate,
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Parity,
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SerialIo->Mode->DataBits,
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StopBits
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);
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} else {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SERMODE_NO_FOUND), gShellDebug1HiiHandle, L"sermode");
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ShellStatus = SHELL_NOT_FOUND;
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break;
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}
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if (HandleValid) {
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break;
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}
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}
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if (Index == NoHandles) {
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if ((NoHandles != 0 && HandleValid) || 0 == NoHandles) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SERMODE_NOT_FOUND), gShellDebug1HiiHandle, L"sermode");
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ShellStatus = SHELL_NOT_FOUND;
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}
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}
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return ShellStatus;
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}
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/**
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Function for 'sermode' command.
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@param[in] ImageHandle Handle to the Image (NULL if Internal).
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@param[in] SystemTable Pointer to the System Table (NULL if Internal).
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**/
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SHELL_STATUS
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EFIAPI
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ShellCommandRunSerMode (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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SHELL_STATUS ShellStatus;
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UINTN Index;
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UINTN NoHandles;
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EFI_HANDLE *Handles;
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EFI_PARITY_TYPE Parity;
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EFI_STOP_BITS_TYPE StopBits;
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UINTN HandleIdx;
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UINTN BaudRate;
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UINTN DataBits;
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UINTN Value;
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EFI_SERIAL_IO_PROTOCOL *SerialIo;
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LIST_ENTRY *Package;
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CHAR16 *ProblemParam;
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CONST CHAR16 *Temp;
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UINT64 Intermediate;
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ShellStatus = SHELL_SUCCESS;
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HandleIdx = 0;
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Parity = DefaultParity;
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Handles = NULL;
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NoHandles = 0;
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Index = 0;
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Package = NULL;
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Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
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if (EFI_ERROR(Status)) {
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if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"sermode", ProblemParam);
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FreePool(ProblemParam);
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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ASSERT(FALSE);
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}
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} else {
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if (ShellCommandLineGetCount(Package) < 6 && ShellCommandLineGetCount(Package) > 2) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"sermode");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else if (ShellCommandLineGetCount(Package) > 6) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"sermode");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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Temp = ShellCommandLineGetRawValue(Package, 1);
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if (Temp != NULL) {
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Status = ShellConvertStringToUint64(Temp, &Intermediate, TRUE, FALSE);
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HandleIdx = (UINTN)Intermediate;
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Temp = ShellCommandLineGetRawValue(Package, 2);
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if (Temp == NULL) {
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ShellStatus = DisplaySettings (HandleIdx, TRUE);
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goto Done;
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}
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} else {
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ShellStatus = DisplaySettings (0, FALSE);
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goto Done;
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}
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Temp = ShellCommandLineGetRawValue(Package, 2);
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if (Temp != NULL) {
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BaudRate = ShellStrToUintn(Temp);
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} else {
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ASSERT(FALSE);
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BaudRate = 0;
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}
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Temp = ShellCommandLineGetRawValue(Package, 3);
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if (Temp == NULL || StrLen(Temp)>1) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"sermode", Temp);
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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switch(Temp[0]){
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case 'd':
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case 'D':
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Parity = DefaultParity;
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break;
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case 'n':
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case 'N':
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Parity = NoParity;
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break;
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case 'e':
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case 'E':
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Parity = EvenParity;
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break;
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case 'o':
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case 'O':
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Parity = OddParity;
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break;
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case 'm':
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case 'M':
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Parity = MarkParity;
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break;
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case 's':
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case 'S':
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Parity = SpaceParity;
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break;
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default:
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"sermode", Temp);
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ShellStatus = SHELL_INVALID_PARAMETER;
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goto Done;
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}
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}
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Temp = ShellCommandLineGetRawValue(Package, 4);
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if (Temp != NULL) {
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DataBits = ShellStrToUintn(Temp);
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} else {
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//
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// make sure this is some number not in the list below.
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//
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DataBits = 0;
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}
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switch (DataBits) {
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case 4:
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case 7:
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case 8:
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break;
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default:
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"sermode", Temp);
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ShellStatus = SHELL_INVALID_PARAMETER;
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goto Done;
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}
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Temp = ShellCommandLineGetRawValue(Package, 5);
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Value = ShellStrToUintn(Temp);
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switch (Value) {
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case 0:
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StopBits = DefaultStopBits;
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break;
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case 1:
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StopBits = OneStopBit;
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break;
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case 2:
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StopBits = TwoStopBits;
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break;
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case 15:
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StopBits = OneFiveStopBits;
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break;
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default:
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"sermode", Temp);
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ShellStatus = SHELL_INVALID_PARAMETER;
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goto Done;
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}
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Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiSerialIoProtocolGuid, NULL, &NoHandles, &Handles);
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if (EFI_ERROR (Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SERMODE_NO_FOUND), gShellDebug1HiiHandle, L"sermode");
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ShellStatus = SHELL_INVALID_PARAMETER;
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goto Done;
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}
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for (Index = 0; Index < NoHandles; Index++) {
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if (ConvertHandleIndexToHandle (HandleIdx) != Handles[Index]) {
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continue;
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}
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Status = gBS->HandleProtocol (Handles[Index], &gEfiSerialIoProtocolGuid, (VOID**)&SerialIo);
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if (!EFI_ERROR (Status)) {
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Status = SerialIo->SetAttributes (
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SerialIo,
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(UINT64) BaudRate,
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SerialIo->Mode->ReceiveFifoDepth,
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SerialIo->Mode->Timeout,
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Parity,
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(UINT8) DataBits,
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StopBits
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);
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if (EFI_ERROR (Status)) {
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if (Status == EFI_INVALID_PARAMETER) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SERMODE_SET_UNSUPPORTED), gShellDebug1HiiHandle, L"sermode", ConvertHandleToHandleIndex(Handles[Index]));
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ShellStatus = SHELL_UNSUPPORTED;
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} else if (Status == EFI_DEVICE_ERROR) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SERMODE_SET_DEV_ERROR), gShellDebug1HiiHandle, L"sermode", ConvertHandleToHandleIndex(Handles[Index]));
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ShellStatus = SHELL_ACCESS_DENIED;
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} else {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SERMODE_SET_FAIL), gShellDebug1HiiHandle, L"sermode", ConvertHandleToHandleIndex(Handles[Index]));
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ShellStatus = SHELL_ACCESS_DENIED;
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}
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} else {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SERMODE_SET_HANDLE), gShellDebug1HiiHandle, ConvertHandleToHandleIndex(Handles[Index]));
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}
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break;
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}
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}
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}
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}
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if (ShellStatus == SHELL_SUCCESS && Index == NoHandles) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SERMODE_BAD_HANDLE), gShellDebug1HiiHandle, L"sermode", HandleIdx);
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ShellStatus = SHELL_INVALID_PARAMETER;
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}
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Done:
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if (Package != NULL) {
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ShellCommandLineFreeVarList (Package);
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}
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if (Handles != NULL) {
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FreePool (Handles);
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}
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return ShellStatus;
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}
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