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278 lines
8.5 KiB
278 lines
8.5 KiB
4 years ago
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/** @file
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Main file for DevTree shell Driver1 function.
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(C) Copyright 2014-2015 Hewlett-Packard Development Company, L.P.<BR>
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Copyright (c) 2010 - 2018, 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 "UefiShellDriver1CommandsLib.h"
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STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
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{L"-d", TypeFlag},
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{L"-l", TypeValue},
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{NULL, TypeMax}
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};
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/**
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Display a tree starting from this handle.
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@param[in] TheHandle The handle to start with.
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@param[in] Lang Optionally, a UEFI defined language code.
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@param[in] UseDevPaths TRUE to display info from DevPath as identifiers.
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FALSE will use component name protocol instead.
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@param[in] IndentCharCount How many characters to indent (allows for recursion).
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@param[in] HiiString The string from HII to use for output.
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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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DoDevTreeForHandle(
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IN CONST EFI_HANDLE TheHandle,
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IN CONST CHAR8 *Lang OPTIONAL,
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IN CONST BOOLEAN UseDevPaths,
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IN CONST UINTN IndentCharCount,
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IN CONST CHAR16 *HiiString
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)
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{
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SHELL_STATUS ShellStatus;
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EFI_STATUS Status;
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CHAR16 *FormatString;
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CHAR16 *Name;
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EFI_HANDLE *ChildHandleBuffer;
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UINTN ChildCount;
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UINTN LoopVar;
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Status = EFI_SUCCESS;
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ShellStatus = SHELL_SUCCESS;
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Name = NULL;
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ChildHandleBuffer = NULL;
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ChildCount = 0;
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ASSERT (TheHandle != NULL);
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ASSERT (HiiString != NULL);
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if (ShellGetExecutionBreakFlag()) {
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ShellStatus = SHELL_ABORTED;
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return ShellStatus;
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}
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//
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// We want controller handles. they will not have LoadedImage or DriverBinding (or others...)
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//
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Status = gBS->OpenProtocol (
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TheHandle,
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&gEfiDriverBindingProtocolGuid,
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NULL,
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NULL,
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NULL,
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EFI_OPEN_PROTOCOL_TEST_PROTOCOL
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);
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if (!EFI_ERROR (Status)) {
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return SHELL_SUCCESS;
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}
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Status = gBS->OpenProtocol (
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TheHandle,
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&gEfiLoadedImageProtocolGuid,
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NULL,
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NULL,
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NULL,
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EFI_OPEN_PROTOCOL_TEST_PROTOCOL
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);
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if (!EFI_ERROR (Status)) {
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return SHELL_SUCCESS;
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}
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FormatString = AllocateZeroPool(StrSize(HiiString) + (10)*sizeof(FormatString[0]));
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if (FormatString == NULL) {
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return SHELL_OUT_OF_RESOURCES;
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}
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//
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// we generate the format string on the fly so that we can control the
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// number of space characters that the first (empty) string has. this
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// handles the indenting.
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//
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UnicodeSPrint(FormatString, StrSize(HiiString) + (10)*sizeof(FormatString[0]), L"%%%ds %s", IndentCharCount, HiiString);
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gEfiShellProtocol->GetDeviceName((EFI_HANDLE)TheHandle, !UseDevPaths?EFI_DEVICE_NAME_USE_COMPONENT_NAME|EFI_DEVICE_NAME_USE_DEVICE_PATH:EFI_DEVICE_NAME_USE_DEVICE_PATH, (CHAR8*)Lang, &Name);
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//
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// print out the information for ourselves
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//
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ShellPrintEx(
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-1,
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-1,
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FormatString,
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L"",
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ConvertHandleToHandleIndex(TheHandle),
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Name==NULL?L"Unknown":Name);
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FreePool(FormatString);
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if (Name != NULL) {
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FreePool(Name);
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}
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//
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// recurse on each child handle with IndentCharCount + 2
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//
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ParseHandleDatabaseForChildControllers(TheHandle, &ChildCount, &ChildHandleBuffer);
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for (LoopVar = 0 ; LoopVar < ChildCount && ShellStatus == SHELL_SUCCESS; LoopVar++){
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ShellStatus = DoDevTreeForHandle(ChildHandleBuffer[LoopVar], Lang, UseDevPaths, IndentCharCount+2, HiiString);
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if (ShellStatus == SHELL_ABORTED) {
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break;
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}
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}
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if (ChildHandleBuffer != NULL) {
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FreePool(ChildHandleBuffer);
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}
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return (ShellStatus);
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}
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/**
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Function for 'devtree' 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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ShellCommandRunDevTree (
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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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LIST_ENTRY *Package;
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CHAR16 *ProblemParam;
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SHELL_STATUS ShellStatus;
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CHAR8 *Language;
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CONST CHAR16 *Lang;
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CHAR16 *HiiString;
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UINTN LoopVar;
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EFI_HANDLE TheHandle;
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BOOLEAN FlagD;
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UINT64 Intermediate;
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UINTN ParentControllerHandleCount;
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EFI_HANDLE *ParentControllerHandleBuffer;
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ShellStatus = SHELL_SUCCESS;
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Status = EFI_SUCCESS;
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Language = NULL;
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//
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// initialize the shell lib (we must be in non-auto-init...)
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//
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Status = ShellInitialize();
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ASSERT_EFI_ERROR(Status);
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Status = CommandInit();
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ASSERT_EFI_ERROR(Status);
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//
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// parse the command line
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//
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Status = ShellCommandLineParse (ParamList, &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), gShellDriver1HiiHandle, L"devtree", 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) > 2) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDriver1HiiHandle, L"devtree");
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ShellCommandLineFreeVarList (Package);
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return (SHELL_INVALID_PARAMETER);
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}
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Lang = ShellCommandLineGetValue(Package, L"-l");
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if (Lang != NULL) {
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Language = AllocateZeroPool(StrSize(Lang));
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AsciiSPrint(Language, StrSize(Lang), "%S", Lang);
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} else if (!ShellCommandLineGetFlag(Package, L"-l")){
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ASSERT(Language == NULL);
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// Language = AllocateZeroPool(10);
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// AsciiSPrint(Language, 10, "en-us");
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} else {
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ASSERT(Language == NULL);
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellDriver1HiiHandle, L"devtree", L"-l");
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ShellCommandLineFreeVarList (Package);
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return (SHELL_INVALID_PARAMETER);
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}
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FlagD = ShellCommandLineGetFlag(Package, L"-d");
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Lang = ShellCommandLineGetRawValue(Package, 1);
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HiiString = HiiGetString(gShellDriver1HiiHandle, STRING_TOKEN (STR_DEV_TREE_OUTPUT), Language);
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if (Lang == NULL) {
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for (LoopVar = 1 ; ; LoopVar++){
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TheHandle = ConvertHandleIndexToHandle(LoopVar);
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if (TheHandle == NULL){
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break;
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}
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//
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// Skip handles that do not have device path protocol
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//
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Status = gBS->OpenProtocol (
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TheHandle,
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&gEfiDevicePathProtocolGuid,
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NULL,
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NULL,
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NULL,
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EFI_OPEN_PROTOCOL_TEST_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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continue;
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}
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//
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// Skip handles that do have parents
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//
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ParentControllerHandleBuffer = NULL;
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Status = PARSE_HANDLE_DATABASE_PARENTS (
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TheHandle,
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&ParentControllerHandleCount,
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&ParentControllerHandleBuffer
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);
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SHELL_FREE_NON_NULL (ParentControllerHandleBuffer);
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if (ParentControllerHandleCount > 0) {
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continue;
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}
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//
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// Start a devtree from TheHandle that has a device path and no parents
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//
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ShellStatus = DoDevTreeForHandle(TheHandle, Language, FlagD, 0, HiiString);
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}
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} else {
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Status = ShellConvertStringToUint64(Lang, &Intermediate, TRUE, FALSE);
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if (EFI_ERROR(Status) || ConvertHandleIndexToHandle((UINTN)Intermediate) == NULL) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"devtree", Lang);
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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ShellStatus = DoDevTreeForHandle(ConvertHandleIndexToHandle((UINTN)Intermediate), Language, FlagD, 0, HiiString);
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}
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}
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if (HiiString != NULL) {
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FreePool(HiiString);
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}
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SHELL_FREE_NON_NULL(Language);
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ShellCommandLineFreeVarList (Package);
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}
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return (ShellStatus);
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}
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