diff options
Diffstat (limited to 'ShellPkg/Library/UefiShellDebug1CommandsLib/SerMode.c')
| -rw-r--r-- | ShellPkg/Library/UefiShellDebug1CommandsLib/SerMode.c | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/SerMode.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/SerMode.c new file mode 100644 index 0000000000..f86e8ba968 --- /dev/null +++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/SerMode.c @@ -0,0 +1,344 @@ +/** @file
+ Main file for SerMode shell Debug1 function.
+
+ Copyright (c) 20052010, Intel Corporation. All rights reserved.<BR>
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "UefiShellDebug1CommandsLib.h"
+#include <Library/ShellLib.h>
+#include <Protocol/SerialIo.h>
+
+SHELL_STATUS
+EFIAPI
+iDisplaySettings (
+ IN UINTN HandleIdx,
+ IN BOOLEAN HandleValid
+ )
+{
+ EFI_SERIAL_IO_PROTOCOL *SerialIo;
+ UINTN NoHandles;
+ EFI_HANDLE *Handles;
+ EFI_STATUS Status;
+ UINTN Index;
+ CHAR16 *StopBits;
+ CHAR16 Parity;
+ SHELL_STATUS ShellStatus;
+
+ Handles = NULL;
+ StopBits = NULL;
+
+ ShellStatus = SHELL_SUCCESS;
+
+ Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiSerialIoProtocolGuid, NULL, &NoHandles, &Handles);
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SERMODE_NO_FOUND), gShellDebug1HiiHandle);
+ return SHELL_INVALID_PARAMETER;
+ }
+
+ for (Index = 0; Index < NoHandles; Index++) {
+ if (HandleValid) {
+ if (ConvertHandleIndexToHandle(HandleIdx) != Handles[Index]) {
+ continue;
+ }
+ }
+
+ Status = gBS->HandleProtocol (Handles[Index], &gEfiSerialIoProtocolGuid, (VOID**)&SerialIo);
+ if (!EFI_ERROR (Status)) {
+ switch (SerialIo->Mode->Parity) {
+ case DefaultParity:
+
+ Parity = 'D';
+ break;
+
+ case NoParity:
+
+ Parity = 'N';
+ break;
+
+ case EvenParity:
+
+ Parity = 'E';
+ break;
+
+ case OddParity:
+
+ Parity = 'O';
+ break;
+
+ case MarkParity:
+
+ Parity = 'M';
+ break;
+
+ case SpaceParity:
+
+ Parity = 'S';
+ break;
+
+ default:
+
+ Parity = 'U';
+ }
+
+ switch (SerialIo->Mode->StopBits) {
+ case DefaultStopBits:
+
+ StopBits = L"Default";
+ break;
+
+ case OneStopBit:
+
+ StopBits = L"1";
+ break;
+
+ case TwoStopBits:
+
+ StopBits = L"2";
+ break;
+
+ case OneFiveStopBits:
+
+ StopBits = L"1.5";
+ break;
+
+ default:
+
+ StopBits = L"Unknown";
+ }
+ ShellPrintHiiEx(
+ -1,
+ -1,
+ NULL,
+ STRING_TOKEN (STR_SERMODE_DISPLAY),
+ gShellDebug1HiiHandle,
+ ConvertHandleToHandleIndex (Handles[Index]),
+ Handles[Index],
+ SerialIo->Mode->BaudRate,
+ Parity,
+ SerialIo->Mode->DataBits,
+ StopBits
+ );
+ } else {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SERMODE_NO_FOUND), gShellDebug1HiiHandle);
+ ShellStatus = SHELL_NOT_FOUND;
+ break;
+ }
+
+ if (HandleValid) {
+ break;
+ }
+ }
+
+ if (Index == NoHandles) {
+ if ((NoHandles != 0 && HandleValid) || 0 == NoHandles) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SERMODE_NOT_FOUND), gShellDebug1HiiHandle);
+ ShellStatus = SHELL_NOT_FOUND;
+ }
+ }
+
+ return ShellStatus;
+}
+
+SHELL_STATUS
+EFIAPI
+ShellCommandRunSerMode (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ SHELL_STATUS ShellStatus;
+ UINTN Index;
+ UINTN NoHandles;
+ EFI_HANDLE *Handles;
+ EFI_PARITY_TYPE Parity;
+ EFI_STOP_BITS_TYPE StopBits;
+ UINTN HandleIdx;
+ UINTN BaudRate;
+ UINTN DataBits;
+ UINTN Value;
+ EFI_SERIAL_IO_PROTOCOL *SerialIo;
+ LIST_ENTRY *Package;
+ CHAR16 *ProblemParam;
+ CONST CHAR16 *Temp;
+
+ ShellStatus = SHELL_SUCCESS;
+ HandleIdx = 0;
+ Parity = DefaultParity;
+ Handles = NULL;
+ NoHandles = 0;
+ Index = 0;
+ Package = NULL;
+
+ Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
+ if (EFI_ERROR(Status)) {
+ if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, ProblemParam);
+ FreePool(ProblemParam);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ ASSERT(FALSE);
+ }
+ } else {
+ if (ShellCommandLineGetCount(Package) < 5 && ShellCommandLineGetCount(Package) > 1) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else if (ShellCommandLineGetCount(Package) > 5) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ Temp = ShellCommandLineGetRawValue(Package, 1);
+ if (Temp != NULL) {
+ HandleIdx = StrHexToUintn(Temp);
+ Temp = ShellCommandLineGetRawValue(Package, 2);
+ if (Temp == NULL) {
+ ShellStatus = iDisplaySettings (HandleIdx, TRUE);
+ goto Done;
+ }
+ } else {
+ ShellStatus = iDisplaySettings (0, FALSE);
+ goto Done;
+ }
+ Temp = ShellCommandLineGetRawValue(Package, 2);
+ if (Temp != NULL) {
+ BaudRate = StrHexToUintn(Temp);
+ } else {
+ ASSERT(FALSE);
+ BaudRate = 0;
+ }
+ Temp = ShellCommandLineGetRawValue(Package, 3);
+ if (Temp == NULL || StrLen(Temp)>1) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, Temp);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ switch(Temp[0]){
+ case 'd':
+ case 'D':
+ Parity = DefaultParity;
+ break;
+ case 'n':
+ case 'N':
+ Parity = NoParity;
+ break;
+ case 'e':
+ case 'E':
+ Parity = EvenParity;
+ break;
+ case 'o':
+ case 'O':
+ Parity = OddParity;
+ break;
+ case 'm':
+ case 'M':
+ Parity = MarkParity;
+ break;
+ case 's':
+ case 'S':
+ Parity = SpaceParity;
+ break;
+ default:
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, Temp);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ goto Done;
+ }
+ }
+ Temp = ShellCommandLineGetRawValue(Package, 4);
+ if (Temp != NULL) {
+ DataBits = StrHexToUintn(Temp);
+ } else {
+ //
+ // make sure this is some number not in the list below.
+ //
+ DataBits = 0;
+ }
+ switch (DataBits) {
+ case 4:
+ case 7:
+ case 8:
+ break;
+ default:
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, Temp);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ goto Done;
+ }
+ Temp = ShellCommandLineGetRawValue(Package, 5);
+ Value = StrHexToUintn(Temp);
+ switch (Value) {
+ case 0:
+ StopBits = DefaultStopBits;
+ break;
+
+ case 1:
+ StopBits = OneStopBit;
+ break;
+
+ case 2:
+ StopBits = TwoStopBits;
+ break;
+
+ case 15:
+ StopBits = OneFiveStopBits;
+ break;
+
+ default:
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, Temp);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ goto Done;
+ }
+ Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiSerialIoProtocolGuid, NULL, &NoHandles, &Handles);
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SERMODE_NO_FOUND), gShellDebug1HiiHandle);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ goto Done;
+ }
+
+ for (Index = 0; Index < NoHandles; Index++) {
+ if (ConvertHandleIndexToHandle (HandleIdx) != Handles[Index]) {
+ continue;
+ }
+
+ Status = gBS->HandleProtocol (Handles[Index], &gEfiSerialIoProtocolGuid, (VOID**)&SerialIo);
+ if (!EFI_ERROR (Status)) {
+ Status = SerialIo->SetAttributes (
+ SerialIo,
+ (UINT64) BaudRate,
+ SerialIo->Mode->ReceiveFifoDepth,
+ SerialIo->Mode->Timeout,
+ Parity,
+ (UINT8) DataBits,
+ StopBits
+ );
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SERMODE_SET_FAIL), gShellDebug1HiiHandle, ConvertHandleToHandleIndex(Handles[Index]), Status);
+ ShellStatus = SHELL_ACCESS_DENIED;
+ } else {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SERMODE_SET_HANDLE), gShellDebug1HiiHandle, ConvertHandleToHandleIndex(Handles[Index]));
+ }
+ break;
+ }
+ }
+ }
+ }
+
+ if (Index == NoHandles) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SERMODE_BAD_HANDLE), gShellDebug1HiiHandle, HandleIdx);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ }
+
+Done:
+ if (Package != NULL) {
+ ShellCommandLineFreeVarList (Package);
+ }
+ if (Handles != NULL) {
+ FreePool (Handles);
+ }
+ return ShellStatus;
+}
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