diff options
Diffstat (limited to 'Core/ShellPkg/Library/UefiShellDriver1CommandsLib/Unload.c')
| -rw-r--r-- | Core/ShellPkg/Library/UefiShellDriver1CommandsLib/Unload.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/Core/ShellPkg/Library/UefiShellDriver1CommandsLib/Unload.c b/Core/ShellPkg/Library/UefiShellDriver1CommandsLib/Unload.c new file mode 100644 index 0000000000..0d48f9d5d7 --- /dev/null +++ b/Core/ShellPkg/Library/UefiShellDriver1CommandsLib/Unload.c @@ -0,0 +1,149 @@ +/** @file
+ Main file for Unload shell Driver1 function.
+
+ (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
+ Copyright (c) 2010 - 2014, 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 "UefiShellDriver1CommandsLib.h"
+
+/**
+ Function to dump LoadedImage info from TheHandle.
+
+ @param[in] TheHandle The handle to dump info from.
+
+ @retval EFI_SUCCESS The info was dumped.
+ @retval EFI_INVALID_PARAMETER The handle did not have LoadedImage
+**/
+EFI_STATUS
+EFIAPI
+DumpLoadedImageProtocolInfo (
+ IN EFI_HANDLE TheHandle
+ )
+{
+ CHAR16 *TheString;
+
+ TheString = GetProtocolInformationDump(TheHandle, &gEfiLoadedImageProtocolGuid, TRUE);
+
+ ShellPrintEx(-1, -1, L"%s", TheString);
+
+ SHELL_FREE_NON_NULL(TheString);
+
+ return (EFI_SUCCESS);
+}
+
+STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
+ {L"-n", TypeFlag},
+ {L"-v", TypeFlag},
+ {L"-verbose", TypeFlag},
+ {NULL, TypeMax}
+ };
+
+/**
+ Function for 'unload' command.
+
+ @param[in] ImageHandle Handle to the Image (NULL if Internal).
+ @param[in] SystemTable Pointer to the System Table (NULL if Internal).
+**/
+SHELL_STATUS
+EFIAPI
+ShellCommandRunUnload (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ LIST_ENTRY *Package;
+ CHAR16 *ProblemParam;
+ SHELL_STATUS ShellStatus;
+ EFI_HANDLE TheHandle;
+ CONST CHAR16 *Param1;
+ SHELL_PROMPT_RESPONSE *Resp;
+ UINT64 Value;
+
+ ShellStatus = SHELL_SUCCESS;
+ Package = NULL;
+ Resp = NULL;
+ Value = 0;
+ TheHandle = NULL;
+
+ //
+ // initialize the shell lib (we must be in non-auto-init...)
+ //
+ Status = ShellInitialize();
+ ASSERT_EFI_ERROR(Status);
+
+ //
+ // parse the command line
+ //
+ Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
+ if (EFI_ERROR(Status)) {
+ if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDriver1HiiHandle,L"unload", ProblemParam);
+ FreePool(ProblemParam);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ ASSERT(FALSE);
+ }
+ } else {
+ if (ShellCommandLineGetCount(Package) > 2){
+ //
+ // error for too many parameters
+ //
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDriver1HiiHandle, L"unload");
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else if (ShellCommandLineGetCount(Package) < 2) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDriver1HiiHandle, L"unload");
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ Param1 = ShellCommandLineGetRawValue(Package, 1);
+ if (Param1 != NULL) {
+ Status = ShellConvertStringToUint64(Param1, &Value, TRUE, FALSE);
+ TheHandle = ConvertHandleIndexToHandle((UINTN)Value);
+ }
+
+ if (EFI_ERROR(Status) || Param1 == NULL || TheHandle == NULL){
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"unload", Param1);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ ASSERT(TheHandle != NULL);
+ if (ShellCommandLineGetFlag(Package, L"-v") || ShellCommandLineGetFlag(Package, L"-verbose")) {
+ DumpLoadedImageProtocolInfo(TheHandle);
+ }
+
+ if (!ShellCommandLineGetFlag(Package, L"-n")) {
+ Status = ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_UNLOAD_CONF), gShellDriver1HiiHandle, (UINTN)TheHandle);
+ Status = ShellPromptForResponse(ShellPromptResponseTypeYesNo, NULL, (VOID**)&Resp);
+ }
+ if (ShellCommandLineGetFlag(Package, L"-n") || (Resp != NULL && *Resp == ShellPromptResponseYes)) {
+ Status = gBS->UnloadImage(TheHandle);
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HANDLE_RESULT), gShellDriver1HiiHandle, L"Unload", (UINTN)TheHandle, Status);
+ }
+ SHELL_FREE_NON_NULL(Resp);
+ }
+ }
+ }
+ if (ShellStatus == SHELL_SUCCESS) {
+ if (Status == EFI_SECURITY_VIOLATION) {
+ ShellStatus = SHELL_SECURITY_VIOLATION;
+ } else if (Status == EFI_INVALID_PARAMETER) {
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else if (EFI_ERROR(Status)) {
+ ShellStatus = SHELL_NOT_FOUND;
+ }
+ }
+
+ if (Package != NULL) {
+ ShellCommandLineFreeVarList(Package);
+ }
+
+ return (ShellStatus);
+}
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