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Roll back check in r15180 which caused the shell always returns EFI_ABORTED no matter what exit-code is specified for "exit" command. 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Carsey Jaben <jaben.carsey@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16127 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Ruiyu Ni 2014-09-18 01:58:03 +00:00 committed by niruiyu
parent 4b6b543e77
commit a308e0588b
4 changed files with 59 additions and 242 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

194
ShellPkg/Application/Shell/Shell.c
View File

@ -244,9 +244,6 @@ UefiMain (
UINTN Size;
EFI_HANDLE ConInHandle;
EFI_SIMPLE_TEXT_INPUT_PROTOCOL *OldConIn;
UINTN ExitDataSize;
CHAR16 *ExitData;
SHELL_STATUS ExitStatus;
if (PcdGet8(PcdShellSupportLevel) > 3) {
return (EFI_UNSUPPORTED);
@ -300,12 +297,6 @@ UefiMain (
// install our console logger. This will keep a log of the output for back-browsing
//
Status = ConsoleLoggerInstall(ShellInfoObject.LogScreenCount, &ShellInfoObject.ConsoleInfo);
if(EFI_ERROR (Status)) {
ExitStatus = (SHELL_STATUS) (Status & (~MAX_BIT));
} else {
ExitStatus = SHELL_SUCCESS;
}
if (!EFI_ERROR(Status)) {
//
// Enable the cursor to be visible
@ -419,7 +410,7 @@ UefiMain (
// Display the mapping
//
if (PcdGet8(PcdShellSupportLevel) >= 2 && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoMap) {
Status = RunCommand(L"map", NULL);
Status = RunCommand(L"map");
ASSERT_EFI_ERROR(Status);
}
@ -485,11 +476,7 @@ UefiMain (
//
// process the startup script or launch the called app.
//
Status = DoStartupScript(
ShellInfoObject.ImageDevPath,
ShellInfoObject.FileDevPath,
&ExitStatus
);
Status = DoStartupScript(ShellInfoObject.ImageDevPath, ShellInfoObject.FileDevPath);
}
if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.Exit && !ShellCommandGetExit() && (PcdGet8(PcdShellSupportLevel) >= 3 || PcdGetBool(PcdShellForceConsole)) && !EFI_ERROR(Status) && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {
@ -523,7 +510,6 @@ UefiMain (
//
Status = DoShellPrompt();
} while (!ShellCommandGetExit());
ExitStatus = (SHELL_STATUS) ShellCommandGetExitCode();
}
if (OldConIn != NULL && ConInHandle != NULL) {
CloseSimpleTextInOnFile (gST->ConIn);
@ -595,33 +581,10 @@ FreeResources:
DEBUG_CODE(ShellInfoObject.ConsoleInfo = NULL;);
}
if (!EFI_ERROR (Status)) {
// If the command exited with an error, we pass this error out in the ExitData
// so that it can be retrieved by the EfiShellExecute function (which may
// start the shell with gBS->StartImage)
if (ExitStatus != SHELL_SUCCESS) {
// Allocate a buffer for exit data to pass to gBS->Exit().
// This buffer will contain the empty string immediately followed by
// the shell's exit status. (The empty string is required by the UEFI spec)
ExitDataSize = (sizeof (CHAR16) + sizeof (SHELL_STATUS));
ExitData = AllocatePool (ExitDataSize);
if (ExitData == NULL) {
return EFI_OUT_OF_RESOURCES;
}
ExitData[0] = '\0';
// Use CopyMem to avoid alignment faults
CopyMem ((ExitData + 1), &ExitStatus, sizeof (ExitStatus));
gBS->Exit (ImageHandle, EFI_ABORTED, ExitDataSize, ExitData);
ASSERT (FALSE);
return EFI_SUCCESS;
} else {
return EFI_SUCCESS;
}
} else {
return Status;
if (ShellCommandGetExit()) {
return ((EFI_STATUS)ShellCommandGetExitCode());
}
return (Status);
}
/**
@ -986,16 +949,13 @@ ProcessCommandLine(
@param ImagePath the path to the image for shell. first place to look for the startup script
@param FilePath the path to the file for shell. second place to look for the startup script.
@param[out] ExitStatus The exit code of the script. Ignored if NULL.
@retval EFI_SUCCESS the variable is initialized.
**/
EFI_STATUS
EFIAPI
DoStartupScript(
IN EFI_DEVICE_PATH_PROTOCOL *ImagePath,
IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
OUT SHELL_STATUS *ExitStatus
IN EFI_DEVICE_PATH_PROTOCOL *FilePath
)
{
EFI_STATUS Status;
@ -1030,7 +990,7 @@ DoStartupScript(
StrnCat(FileStringPath, L" ", NewSize/sizeof(CHAR16) - StrLen(FileStringPath) -1);
StrnCat(FileStringPath, ShellInfoObject.ShellInitSettings.FileOptions, NewSize/sizeof(CHAR16) - StrLen(FileStringPath) -1);
}
Status = RunCommand(FileStringPath, ExitStatus);
Status = RunCommand(FileStringPath);
FreePool(FileStringPath);
return (Status);
@ -1107,13 +1067,7 @@ DoStartupScript(
// If we got a file, run it
//
if (!EFI_ERROR(Status) && FileHandle != NULL) {
Status = RunScriptFile (
mStartupScript,
FileHandle,
L"",
ShellInfoObject.NewShellParametersProtocol,
ExitStatus
);
Status = RunScriptFile (mStartupScript, FileHandle, L"", ShellInfoObject.NewShellParametersProtocol);
ShellInfoObject.NewEfiShellProtocol->CloseFile(FileHandle);
} else {
FileStringPath = ShellFindFilePath(mStartupScript);
@ -1124,13 +1078,7 @@ DoStartupScript(
Status = EFI_SUCCESS;
ASSERT(FileHandle == NULL);
} else {
Status = RunScriptFile(
FileStringPath,
NULL,
L"",
ShellInfoObject.NewShellParametersProtocol,
ExitStatus
);
Status = RunScriptFile(FileStringPath, NULL, L"", ShellInfoObject.NewShellParametersProtocol);
FreePool(FileStringPath);
}
}
@ -1195,7 +1143,7 @@ DoShellPrompt (
//
if (!EFI_ERROR (Status)) {
CmdLine[BufferSize / sizeof (CHAR16)] = CHAR_NULL;
Status = RunCommand(CmdLine, NULL);
Status = RunCommand(CmdLine);
}
//
@ -1526,9 +1474,6 @@ ShellConvertVariables (
@param[in] StdIn The pointer to the Standard input.
@param[in] StdOut The pointer to the Standard output.
@param[out] ExitStatus The exit code of the last command in the pipeline.
Ignored if NULL.
@retval EFI_SUCCESS The split command is executed successfully.
@retval other Some error occurs when executing the split command.
**/
@ -1537,8 +1482,7 @@ EFIAPI
RunSplitCommand(
IN CONST CHAR16 *CmdLine,
IN SHELL_FILE_HANDLE *StdIn,
IN SHELL_FILE_HANDLE *StdOut,
OUT SHELL_STATUS *ExitStatus
IN SHELL_FILE_HANDLE *StdOut
)
{
EFI_STATUS Status;
@ -1592,7 +1536,7 @@ RunSplitCommand(
ASSERT(Split->SplitStdOut != NULL);
InsertHeadList(&ShellInfoObject.SplitList.Link, &Split->Link);
Status = RunCommand(OurCommandLine, NULL);
Status = RunCommand(OurCommandLine);
//
// move the output from the first to the in to the second.
@ -1607,7 +1551,7 @@ RunSplitCommand(
ShellInfoObject.NewEfiShellProtocol->SetFilePosition(ConvertShellHandleToEfiFileProtocol(Split->SplitStdIn), 0);
if (!EFI_ERROR(Status)) {
Status = RunCommand(NextCommandLine, ExitStatus);
Status = RunCommand(NextCommandLine);
}
//
@ -1901,9 +1845,7 @@ VerifySplit(
/**
Process a split based operation.
@param[in] CmdLine Pointer to the command line to process
@param[out] ExitStatus The exit status of the command. Ignored if NULL.
Invalid if this function returns an error.
@param[in] CmdLine pointer to the command line to process
@retval EFI_SUCCESS The operation was successful
@return an error occured.
@ -1911,8 +1853,7 @@ VerifySplit(
EFI_STATUS
EFIAPI
ProcessNewSplitCommandLine(
IN CONST CHAR16 *CmdLine,
OUT SHELL_STATUS *ExitStatus
IN CONST CHAR16 *CmdLine
)
{
SPLIT_LIST *Split;
@ -1933,14 +1874,9 @@ ProcessNewSplitCommandLine(
}
if (Split == NULL) {
Status = RunSplitCommand(CmdLine, NULL, NULL, ExitStatus);
Status = RunSplitCommand(CmdLine, NULL, NULL);
} else {
Status = RunSplitCommand(
CmdLine,
Split->SplitStdIn,
Split->SplitStdOut,
ExitStatus
);
Status = RunSplitCommand(CmdLine, Split->SplitStdIn, Split->SplitStdOut);
}
if (EFI_ERROR(Status)) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_SPLIT), ShellInfoObject.HiiHandle, CmdLine);
@ -2120,8 +2056,6 @@ ProcessCommandLineToFinal(
@param[in] FirstParameter the first parameter on the command line
@param[in] ParamProtocol the shell parameters protocol pointer
@param[out] ExitStatus The exit code of the command. Ignored if NULL.
@retval EFI_SUCCESS The command was completed.
@retval EFI_ABORTED The command's operation was aborted.
**/
@ -2130,8 +2064,7 @@ EFIAPI
RunInternalCommand(
IN CONST CHAR16 *CmdLine,
IN CHAR16 *FirstParameter,
IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol,
OUT SHELL_STATUS *ExitStatus OPTIONAL
IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol
)
{
EFI_STATUS Status;
@ -2171,9 +2104,6 @@ RunInternalCommand(
if (LastError) {
SetLastError(CommandReturnedStatus);
}
if (ExitStatus != NULL) {
*ExitStatus = CommandReturnedStatus;
}
//
// Pass thru the exitcode from the app.
@ -2229,9 +2159,6 @@ RunInternalCommand(
@param[in] FirstParameter the first parameter on the command line
@param[in] ParamProtocol the shell parameters protocol pointer
@param[out] ExitStatus The exit code of the command or file.
Ignored if NULL.
@retval EFI_SUCCESS The command was completed.
@retval EFI_ABORTED The command's operation was aborted.
**/
@ -2241,8 +2168,7 @@ RunCommandOrFile(
IN SHELL_OPERATION_TYPES Type,
IN CONST CHAR16 *CmdLine,
IN CHAR16 *FirstParameter,
IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol,
OUT SHELL_STATUS *ExitStatus
IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol
)
{
EFI_STATUS Status;
@ -2258,12 +2184,7 @@ RunCommandOrFile(
switch (Type) {
case Internal_Command:
Status = RunInternalCommand(
CmdLine,
FirstParameter,
ParamProtocol,
&CalleeExitStatus
);
Status = RunInternalCommand(CmdLine, FirstParameter, ParamProtocol);
break;
case Script_File_Name:
case Efi_Application:
@ -2298,13 +2219,7 @@ RunCommandOrFile(
}
switch (Type) {
case Script_File_Name:
Status = RunScriptFile (
CommandWithPath,
NULL,
CmdLine,
ParamProtocol,
&CalleeExitStatus
);
Status = RunScriptFile (CommandWithPath, NULL, CmdLine, ParamProtocol);
break;
case Efi_Application:
//
@ -2324,9 +2239,7 @@ RunCommandOrFile(
DevPath,
CmdLine,
NULL,
&StartStatus,
NULL,
NULL
&StartStatus
);
SHELL_FREE_NON_NULL(DevPath);
@ -2359,10 +2272,6 @@ RunCommandOrFile(
SHELL_FREE_NON_NULL(CommandWithPath);
if (ExitStatus != NULL) {
*ExitStatus = CalleeExitStatus;
}
return (Status);
}
@ -2374,9 +2283,6 @@ RunCommandOrFile(
@param[in] FirstParameter the first parameter on the command line.
@param[in] ParamProtocol the shell parameters protocol pointer
@param[out] ExitStatus The exit code of the command or file.
Ignored if NULL.
@retval EFI_SUCCESS The command was completed.
@retval EFI_ABORTED The command's operation was aborted.
**/
@ -2386,8 +2292,7 @@ SetupAndRunCommandOrFile(
IN SHELL_OPERATION_TYPES Type,
IN CHAR16 *CmdLine,
IN CHAR16 *FirstParameter,
IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol,
OUT SHELL_STATUS *ExitStatus
IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol
)
{
EFI_STATUS Status;
@ -2407,13 +2312,7 @@ SetupAndRunCommandOrFile(
//
if (!EFI_ERROR(Status)) {
TrimSpaces(&CmdLine);
Status = RunCommandOrFile(
Type,
CmdLine,
FirstParameter,
ParamProtocol,
ExitStatus
);
Status = RunCommandOrFile(Type, CmdLine, FirstParameter, ParamProtocol);
}
//
@ -2438,7 +2337,6 @@ SetupAndRunCommandOrFile(
command or dispatch an external application.
@param[in] CmdLine The command line to parse.
@param[out] ExitStatus The exit code of the command. Ignored if NULL.
@retval EFI_SUCCESS The command was completed.
@retval EFI_ABORTED The command's operation was aborted.
@ -2446,8 +2344,7 @@ SetupAndRunCommandOrFile(
EFI_STATUS
EFIAPI
RunCommand(
IN CONST CHAR16 *CmdLine,
OUT SHELL_STATUS *ExitStatus
IN CONST CHAR16 *CmdLine
)
{
EFI_STATUS Status;
@ -2507,7 +2404,7 @@ RunCommand(
// We dont do normal processing with a split command line (output from one command input to another)
//
if (ContainsSplit(CleanOriginal)) {
Status = ProcessNewSplitCommandLine(CleanOriginal, ExitStatus);
Status = ProcessNewSplitCommandLine(CleanOriginal);
SHELL_FREE_NON_NULL(CleanOriginal);
return (Status);
}
@ -2533,13 +2430,7 @@ RunCommand(
case Internal_Command:
case Script_File_Name:
case Efi_Application:
Status = SetupAndRunCommandOrFile(
Type,
CleanOriginal,
FirstParameter,
ShellInfoObject.NewShellParametersProtocol,
ExitStatus
);
Status = SetupAndRunCommandOrFile(Type, CleanOriginal, FirstParameter, ShellInfoObject.NewShellParametersProtocol);
break;
default:
//
@ -2594,16 +2485,13 @@ IsValidCommandName(
@param[in] Handle The handle to the already opened file.
@param[in] Name The name of the script file.
@param[out] ExitStatus The exit code of the script. Ignored if NULL.
@retval EFI_SUCCESS the script completed sucessfully
**/
EFI_STATUS
EFIAPI
RunScriptFileHandle (
IN SHELL_FILE_HANDLE Handle,
IN CONST CHAR16 *Name,
OUT SHELL_STATUS *ExitStatus
IN CONST CHAR16 *Name
)
{
EFI_STATUS Status;
@ -2619,12 +2507,9 @@ RunScriptFileHandle (
CONST CHAR16 *CurDir;
UINTN LineCount;
CHAR16 LeString[50];
SHELL_STATUS CalleeExitStatus;
ASSERT(!ShellCommandGetScriptExit());
CalleeExitStatus = SHELL_SUCCESS;
PreScriptEchoState = ShellCommandGetEchoState();
NewScriptFile = (SCRIPT_FILE*)AllocateZeroPool(sizeof(SCRIPT_FILE));
@ -2809,7 +2694,7 @@ RunScriptFileHandle (
//
PreCommandEchoState = ShellCommandGetEchoState();
ShellCommandSetEchoState(FALSE);
Status = RunCommand(CommandLine3+1, NULL);
Status = RunCommand(CommandLine3+1);
//
// If command was "@echo -off" or "@echo -on" then don't restore echo state
@ -2831,7 +2716,7 @@ RunScriptFileHandle (
}
ShellPrintEx(-1, -1, L"%s\r\n", CommandLine2);
}
Status = RunCommand(CommandLine3, NULL);
Status = RunCommand(CommandLine3);
}
}
@ -2839,8 +2724,7 @@ RunScriptFileHandle (
//
// ShellCommandGetExitCode() always returns a UINT64
//
CalleeExitStatus = (SHELL_STATUS) ShellCommandGetExitCode();
UnicodeSPrint(LeString, sizeof(LeString), L"0x%Lx", CalleeExitStatus);
UnicodeSPrint(LeString, sizeof(LeString), L"0x%Lx", ShellCommandGetExitCode());
DEBUG_CODE(InternalEfiShellSetEnv(L"debuglasterror", LeString, TRUE););
InternalEfiShellSetEnv(L"lasterror", LeString, TRUE);
@ -2852,11 +2736,9 @@ RunScriptFileHandle (
break;
}
if (EFI_ERROR(Status)) {
CalleeExitStatus = (SHELL_STATUS) Status;
break;
}
if (ShellCommandGetExit()) {
CalleeExitStatus = (SHELL_STATUS) ShellCommandGetExitCode();
break;
}
}
@ -2888,11 +2770,6 @@ RunScriptFileHandle (
if (ShellCommandGetCurrentScriptFile()==NULL) {
ShellCommandSetEchoState(PreScriptEchoState);
}
if (ExitStatus != NULL) {
*ExitStatus = CalleeExitStatus;
}
return (EFI_SUCCESS);
}
@ -2904,8 +2781,6 @@ RunScriptFileHandle (
@param[in] CmdLine the command line to run.
@param[in] ParamProtocol the shell parameters protocol pointer
@param[out] ExitStatus The exit code of the script. Ignored if NULL.
@retval EFI_SUCCESS the script completed sucessfully
**/
EFI_STATUS
@ -2914,8 +2789,7 @@ RunScriptFile (
IN CONST CHAR16 *ScriptPath,
IN SHELL_FILE_HANDLE Handle OPTIONAL,
IN CONST CHAR16 *CmdLine,
IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol,
OUT SHELL_STATUS *ExitStatus
IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol
)
{
EFI_STATUS Status;
@ -2942,7 +2816,7 @@ RunScriptFile (
//
// run it
//
Status = RunScriptFileHandle(FileHandle, ScriptPath, ExitStatus);
Status = RunScriptFileHandle(FileHandle, ScriptPath);
//
// now close the file
@ -2950,7 +2824,7 @@ RunScriptFile (
ShellCloseFile(&FileHandle);
}
} else {
Status = RunScriptFileHandle(Handle, ScriptPath, ExitStatus);
Status = RunScriptFileHandle(Handle, ScriptPath);
}
}

22
ShellPkg/Application/Shell/Shell.h
View File

@ -231,8 +231,6 @@ ProcessCommandLine(
@param[in] ImagePath The path to the image for shell. The first place to look for the startup script.
@param[in] FilePath The path to the file for shell. The second place to look for the startup script.
@param[out] ExitStatus The exit code of the script. Ignored if NULL.
Invalid when this function returns an error.
@retval EFI_SUCCESS The variable is initialized.
**/
@ -240,8 +238,7 @@ EFI_STATUS
EFIAPI
DoStartupScript(
IN EFI_DEVICE_PATH_PROTOCOL *ImagePath,
IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
OUT SHELL_STATUS *ExitStatus
IN EFI_DEVICE_PATH_PROTOCOL *FilePath
);
/**
@ -287,7 +284,6 @@ AddLineToCommandHistory(
This will determine if the command line represents an internal shell command or dispatch an external application.
@param[in] CmdLine the command line to parse
@param[out] ExitStatus The exit status of the command. Ignored if NULL.
@retval EFI_SUCCESS the command was completed
@retval EFI_ABORTED the command's operation was aborted
@ -295,8 +291,7 @@ AddLineToCommandHistory(
EFI_STATUS
EFIAPI
RunCommand(
IN CONST CHAR16 *CmdLine,
OUT SHELL_STATUS *ExitStatus
IN CONST CHAR16 *CmdLine
);
/**
@ -320,17 +315,13 @@ IsValidCommandName(
@param[in] Handle The handle to the already opened file.
@param[in] Name The name of the script file.
@param[out] ExitStatus The exit code of the script. Ignored if NULL.
Invalid when this function returns an error.
@retval EFI_SUCCESS the script completed sucessfully
**/
EFI_STATUS
EFIAPI
RunScriptFileHandle (
IN SHELL_FILE_HANDLE Handle,
IN CONST CHAR16 *Name,
OUT SHELL_STATUS *ExitStatus
IN CONST CHAR16 *Name
);
/**
@ -341,9 +332,6 @@ RunScriptFileHandle (
@param[in] CmdLine the command line to run.
@param[in] ParamProtocol the shell parameters protocol pointer
@param[out] ExitStatus The exit code of the script. Ignored if NULL.
Invalid when this function returns an error.
@retval EFI_SUCCESS the script completed sucessfully
**/
EFI_STATUS
@ -352,9 +340,9 @@ RunScriptFile (
IN CONST CHAR16 *ScriptPath,
IN SHELL_FILE_HANDLE Handle OPTIONAL,
IN CONST CHAR16 *CmdLine,
IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol,
OUT SHELL_STATUS *ExitStatus
IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol
);
#endif //_SHELL_INTERNAL_HEADER_

51
ShellPkg/Application/Shell/ShellProtocol.c
View File

@ -1401,8 +1401,6 @@ EfiShellEnablePageBreak (
is NULL, then the current shell environment is used.
@param[out] StartImageStatus Returned status from gBS->StartImage.
@param[out] ExitDataSize ExitDataSize as returned from gBS->StartImage
@param[out] ExitData ExitData as returned from gBS->StartImage
@retval EFI_SUCCESS The command executed successfully. The status code
returned by the command is pointed to by StatusCode.
@ -1417,9 +1415,7 @@ InternalShellExecuteDevicePath(
IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath,
IN CONST CHAR16 *CommandLine OPTIONAL,
IN CONST CHAR16 **Environment OPTIONAL,
OUT EFI_STATUS *StartImageStatus OPTIONAL,
OUT UINTN *ExitDataSize OPTIONAL,
OUT CHAR16 **ExitData OPTIONAL
OUT EFI_STATUS *StartImageStatus OPTIONAL
)
{
EFI_STATUS Status;
@ -1429,21 +1425,11 @@ InternalShellExecuteDevicePath(
EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
LIST_ENTRY OrigEnvs;
EFI_SHELL_PARAMETERS_PROTOCOL ShellParamsProtocol;
UINTN InternalExitDataSize;
UINTN *ExitDataSizePtr;
CHAR16 *ImagePath;
UINTN Index;
CHAR16 *Walker;
CHAR16 *NewCmdLine;
// ExitDataSize is not OPTIONAL for gBS->BootServices, provide somewhere for
// it to be dumped if the caller doesn't want it.
if (ExitData == NULL) {
ExitDataSizePtr = &InternalExitDataSize;
} else {
ExitDataSizePtr = ExitDataSize;
}
if (ParentImageHandle == NULL) {
return (EFI_INVALID_PARAMETER);
}
@ -1547,13 +1533,13 @@ InternalShellExecuteDevicePath(
///@todo initialize and install ShellInterface protocol on the new image for compatibility if - PcdGetBool(PcdShellSupportOldProtocols)
//
// now start the image, passing up exit data if the caller requested it
// now start the image and if the caller wanted the return code pass it to them...
//
if (!EFI_ERROR(Status)) {
StartStatus = gBS->StartImage(
NewHandle,
ExitDataSizePtr,
ExitData
0,
NULL
);
if (StartImageStatus != NULL) {
*StartImageStatus = StartStatus;
@ -1642,8 +1628,6 @@ EfiShellExecute(
CHAR16 *Temp;
EFI_DEVICE_PATH_PROTOCOL *DevPath;
UINTN Size;
UINTN ExitDataSize;
CHAR16 *ExitData;
if ((PcdGet8(PcdShellSupportLevel) < 1)) {
return (EFI_UNSUPPORTED);
@ -1671,32 +1655,7 @@ EfiShellExecute(
DevPath,
Temp,
(CONST CHAR16**)Environment,
StatusCode,
&ExitDataSize,
&ExitData);
if (Status == EFI_ABORTED) {
// If the command exited with an error, the shell should put the exit
// status in ExitData, preceded by a null-terminated string.
ASSERT (ExitDataSize == StrSize (ExitData) + sizeof (SHELL_STATUS));
if (StatusCode != NULL) {
// Skip the null-terminated string
ExitData += StrLen (ExitData) + 1;
// Use CopyMem to avoid alignment faults
CopyMem (StatusCode, ExitData, sizeof (SHELL_STATUS));
// Convert from SHELL_STATUS to EFI_STATUS
// EFI_STATUSes have top bit set when they are errors.
// (See UEFI Spec Appendix D)
if (*StatusCode != SHELL_SUCCESS) {
*StatusCode = (EFI_STATUS) *StatusCode | MAX_BIT;
}
}
FreePool (ExitData);
Status = EFI_SUCCESS;
}
StatusCode);
//
// de-allocate and return

6
ShellPkg/Application/Shell/ShellProtocol.h
View File

@ -445,8 +445,6 @@ EfiShellEnablePageBreak (
environment variable name and y is the value. If this
is NULL, then the current shell environment is used.
@param[out] StartImageStatus Returned status from gBS->StartImage.
@param[out] ExitDataSize ExitDataSize as returned from gBS->StartImage
@param[out] ExitData ExitData as returned from gBS->StartImage
@retval EFI_SUCCESS The command executed successfully. The status code
returned by the command is pointed to by StatusCode.
@ -461,9 +459,7 @@ InternalShellExecuteDevicePath(
IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath,
IN CONST CHAR16 *CommandLine OPTIONAL,
IN CONST CHAR16 **Environment OPTIONAL,
OUT EFI_STATUS *StartImageStatus OPTIONAL,
OUT UINTN *ExitDataSize OPTIONAL,
OUT CHAR16 **ExitData OPTIONAL
OUT EFI_STATUS *StartImageStatus OPTIONAL
);
/**