diff options
Diffstat (limited to 'EmbeddedPkg/Ebl/Dir.c')
| -rw-r--r-- | EmbeddedPkg/Ebl/Dir.c | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/EmbeddedPkg/Ebl/Dir.c b/EmbeddedPkg/Ebl/Dir.c new file mode 100644 index 0000000000..4e9f7b98b2 --- /dev/null +++ b/EmbeddedPkg/Ebl/Dir.c @@ -0,0 +1,305 @@ +/** @file
+ Dir for EBL (Embedded Boot Loader)
+
+ Copyright (c) 2007, Intel Corporation<BR>
+ Portions copyright (c) 2008-2009, Apple Inc. All rights reserved.
+
+
+ All rights reserved. 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.
+
+ Module Name: CmdTemplate.c
+
+ Search/Replace Dir with the name of your new command
+
+**/
+
+#include "Ebl.h"
+
+
+GLOBAL_REMOVE_IF_UNREFERENCED CHAR8 *gFvFileType[] = {
+ "All",
+ "Raw",
+ "Freeform",
+ "SEC",
+ "PeiCore",
+ "DxeCore",
+ "PEIM",
+ "Driver",
+ "Combo Driver",
+ "Application",
+ "NULL",
+ "FV"
+};
+
+
+/**
+ Perform a dir on a device. The device must support Simple File System Protocol
+ or the FV protocol.
+
+ Argv[0] - "dir"
+ Argv[1] - Device Name:path. Path is optional
+ Argv[2] - Optional filename to match on. A leading * means match substring
+ Argv[3] - Optional FV file type
+
+ dir fs1:\efi ; perform a dir on fs1: device in the efi directory
+ dir fs1:\efi *.efi; perform a dir on fs1: device in the efi directory but
+ only print out files that contain the string *.efi
+ dir fv1:\ ; perform a dir on fv1: device in the efi directory
+ NOTE: fv devices do not contian subdirs
+ dir fv1:\ * PEIM ; will match all files of type SEC
+
+ @param Argc Number of command arguments in Argv
+ @param Argv Array of strings that represent the parsed command line.
+ Argv[0] is the comamnd name
+
+ @return EFI_SUCCESS
+
+**/
+EFI_STATUS
+EblDirCmd (
+ IN UINTN Argc,
+ IN CHAR8 **Argv
+ )
+{
+ EFI_STATUS Status;
+ EFI_OPEN_FILE *File;
+ EFI_FILE_INFO *DirInfo;
+ UINTN ReadSize;
+ UINTN CurrentRow;
+ CHAR16 *MatchSubString;
+ EFI_STATUS GetNextFileStatus;
+ UINTN Key;
+ EFI_FV_FILETYPE SearchType;
+ EFI_FV_FILETYPE Type;
+ EFI_FV_FILE_ATTRIBUTES Attributes;
+ UINTN Size;
+ EFI_GUID NameGuid;
+ EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;
+ UINT32 AuthenticationStatus;
+ VOID *Section;
+ UINTN SectionSize;
+ EFI_FV_FILETYPE Index;
+ UINTN Length;
+ UINTN BestMatchCount;
+ CHAR16 UnicodeFileName[MAX_CMD_LINE];
+
+
+ if (Argc <= 1) {
+ // CWD not currently supported
+ return EFI_SUCCESS;
+ }
+
+ File = EfiOpen (Argv[1], EFI_FILE_MODE_READ, 0);
+ if (File == NULL) {
+ return EFI_SUCCESS;
+ }
+
+ if (File->Type == EfiOpenFirmwareVolume) {
+ // FV Dir
+
+ SearchType = EFI_FV_FILETYPE_ALL;
+ UnicodeFileName[0] = '\0';
+ MatchSubString = &UnicodeFileName[0];
+ if (Argc > 2) {
+ AsciiStrToUnicodeStr (Argv[2], UnicodeFileName);
+ if (UnicodeFileName[0] == '*') {
+ // Handle *Name substring matching
+ MatchSubString = &UnicodeFileName[1];
+ }
+
+ // Handle file type matchs
+ if (Argc > 3) {
+ // match a specific file type, always last argument
+ Length = AsciiStrLen (Argv[3]);
+ for (Index = 1, BestMatchCount = 0; Index < sizeof (gFvFileType)/sizeof (CHAR8 *); Index++) {
+ if (AsciiStriCmp (gFvFileType[Index], Argv[3]) == 0) {
+ // exact match
+ SearchType = Index;
+ break;
+ }
+
+ if (AsciiStrniCmp (Argv[3], gFvFileType[Index], Length) == 0) {
+ // partial match, so keep looking to make sure there is only one partial match
+ BestMatchCount++;
+ SearchType = Index;
+ }
+ }
+
+ if (BestMatchCount > 1) {
+ SearchType = EFI_FV_FILETYPE_ALL;
+ }
+ }
+ }
+
+ Fv = File->Fv;
+ Key = 0;
+ CurrentRow = 0;
+ do {
+ Type = SearchType;
+ GetNextFileStatus = Fv->GetNextFile (
+ Fv,
+ &Key,
+ &Type,
+ &NameGuid,
+ &Attributes,
+ &Size
+ );
+ if (!EFI_ERROR (GetNextFileStatus)) {
+ // Calculate size of entire file
+ Section = NULL;
+ Size = 0;
+ Status = Fv->ReadFile (
+ Fv,
+ &NameGuid,
+ Section,
+ &Size,
+ &Type,
+ &Attributes,
+ &AuthenticationStatus
+ );
+ if (!((Status == EFI_BUFFER_TOO_SMALL) || !EFI_ERROR (Status))) {
+ // EFI_SUCCESS or EFI_BUFFER_TOO_SMALL mean size is valid
+ Size = 0;
+ }
+
+ // read the UI seciton to do a name match.
+ Section = NULL;
+ Status = Fv->ReadSection (
+ Fv,
+ &NameGuid,
+ EFI_SECTION_USER_INTERFACE,
+ 0,
+ &Section,
+ &SectionSize,
+ &AuthenticationStatus
+ );
+ if (!EFI_ERROR (Status)) {
+ if (StrStr (Section, MatchSubString) != NULL) {
+ AsciiPrint (" %g %s %a %,d\n", &NameGuid, Section, gFvFileType[Type], Size);
+ if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {
+ break;
+ }
+ }
+ FreePool (Section);
+ } else {
+ if (*MatchSubString == '\0') {
+ AsciiPrint (" %g %a %,d\n", &NameGuid, gFvFileType[Type], Size);
+ if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {
+ break;
+ }
+ }
+ }
+ }
+ } while (!EFI_ERROR (GetNextFileStatus));
+
+ } else if ((File->Type == EfiOpenFileSystem) || (File->Type == EfiOpenBlockIo)) {
+ // Simple File System DIR
+
+ if (File->FsFileInfo == NULL) {
+ return EFI_SUCCESS;
+ }
+
+ if (!(File->FsFileInfo->Attribute & EFI_FILE_DIRECTORY)) {
+ return EFI_SUCCESS;
+ }
+
+ // Handle *Name substring matching
+ MatchSubString = NULL;
+ UnicodeFileName[0] = '\0';
+ if (Argc > 2) {
+ AsciiStrToUnicodeStr (Argv[2], UnicodeFileName);
+ if (UnicodeFileName[0] == '*') {
+ MatchSubString = &UnicodeFileName[1];
+ }
+ }
+
+ File->FsFileHandle->SetPosition (File->FsFileHandle, 0);
+ for (CurrentRow = 0;;) {
+ // First read gets the size
+ DirInfo = NULL;
+ ReadSize = 0;
+ Status = File->FsFileHandle->Read (File->FsFileHandle, &ReadSize, DirInfo);
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ // Allocate the buffer for the real read
+ DirInfo = AllocatePool (ReadSize);
+ if (DirInfo == NULL) {
+ goto Done;
+ }
+
+ // Read the data
+ Status = File->FsFileHandle->Read (File->FsFileHandle, &ReadSize, DirInfo);
+ if ((EFI_ERROR (Status)) || (ReadSize == 0)) {
+ break;
+ }
+ } else {
+ break;
+ }
+
+ if (MatchSubString != NULL) {
+ if (StrStr (&DirInfo->FileName[0], MatchSubString) == NULL) {
+ // does not match *name argument, so skip
+ continue;
+ }
+ } else if (UnicodeFileName[0] != '\0') {
+ // is not an exact match for name argument, so skip
+ if (StrCmp (&DirInfo->FileName[0], UnicodeFileName) != 0) {
+ continue;
+ }
+ }
+
+ if (DirInfo->Attribute & EFI_FILE_DIRECTORY) {
+ AsciiPrint (" <DIR> %s\n", &DirInfo->FileName[0]);
+ } else {
+ AsciiPrint ("%,14ld %s\n", DirInfo->FileSize, &DirInfo->FileName[0]);
+ }
+
+ if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {
+ break;
+ }
+
+ FreePool (DirInfo);
+ }
+
+Done:
+ if (DirInfo != NULL) {
+ FreePool (DirInfo);
+ }
+ }
+
+ EfiClose (File);
+
+ return EFI_SUCCESS;
+}
+
+
+
+GLOBAL_REMOVE_IF_UNREFERENCED const EBL_COMMAND_TABLE mCmdDirTemplate[] =
+{
+ {
+ "dir",
+ " dirdev [*match]; directory listing of dirdev. opt match a substring",
+ NULL,
+ EblDirCmd
+ }
+};
+
+
+/**
+ Initialize the commands in this in this file
+**/
+VOID
+EblInitializeDirCmd (
+ VOID
+ )
+{
+ if (FeaturePcdGet (PcdEmbeddedDirCmd)) {
+ EblAddCommands (mCmdDirTemplate, sizeof (mCmdDirTemplate)/sizeof (EBL_COMMAND_TABLE));
+ }
+}
+
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