diff options
Diffstat (limited to 'StdLib/LibC/Uefi/Devices/UefiShell/daShell.c')
| -rw-r--r-- | StdLib/LibC/Uefi/Devices/UefiShell/daShell.c | 856 |
1 files changed, 0 insertions, 856 deletions
diff --git a/StdLib/LibC/Uefi/Devices/UefiShell/daShell.c b/StdLib/LibC/Uefi/Devices/UefiShell/daShell.c deleted file mode 100644 index 861765e6bc..0000000000 --- a/StdLib/LibC/Uefi/Devices/UefiShell/daShell.c +++ /dev/null @@ -1,856 +0,0 @@ -/** @file
- Abstract device driver for the UEFI Shell-hosted environment.
-
- In a Shell-hosted environment, this is the driver that is called
- when no other driver matches.
-
- Copyright (c) 2011, 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 that accompanies this distribution.
- The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.
-
- 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 <Uefi.h>
-#include <Library/BaseLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/ShellLib.h>
-
-#include <LibConfig.h>
-
-#include <errno.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <wctype.h>
-#include <wchar.h>
-#include <sys/fcntl.h>
-#include <sys/filio.h>
-#include <sys/syslimits.h>
-#include <unistd.h>
-#include <kfile.h>
-#include <Device/Device.h>
-#include <MainData.h>
-#include <Efi/SysEfi.h>
-
-/** EFI Shell specific operations for close().
-
- @param[in] Fp Pointer to a file descriptor structure.
-
- @retval 0 Successful completion.
- @retval -1 Operation failed. Further information is specified by errno.
-**/
-static
-int
-EFIAPI
-da_ShellClose(
- IN struct __filedes *Fp
-)
-{
- EFIerrno = ShellCloseFile( (SHELL_FILE_HANDLE *)&Fp->devdata);
- if(RETURN_ERROR(EFIerrno)) {
- return -1;
- }
- return 0;
-}
-
-/** EFI Shell specific operations for deleting a file or directory.
-
- @param[in] filp Pointer to a file descriptor structure.
-
- @retval 0 Successful completion.
- @retval -1 Operation failed. Further information is specified by errno.
-**/
-static
-int
-EFIAPI
-da_ShellDelete(
- struct __filedes *filp
- )
-{
- RETURN_STATUS Status;
-
- Status = ShellDeleteFile( (SHELL_FILE_HANDLE *)&filp->devdata);
- if(Status != RETURN_SUCCESS) {
- errno = EFI2errno(Status);
- EFIerrno = Status;
- return -1;
- }
- return 0;
-}
-
-/** EFI Shell specific operations for setting the position within a file.
-
- @param[in] filp Pointer to a file descriptor structure.
- @param[in] offset Relative position to move to.
- @param[in] whence Specifies the location offset is relative to: Beginning, Current, End.
-
- @return Returns the new file position or EOF if the seek failed.
-**/
-static
-off_t
-EFIAPI
-da_ShellSeek(
- struct __filedes *filp,
- off_t offset,
- int whence
-)
-{
- __off_t CurPos = -1;
- RETURN_STATUS Status = RETURN_SUCCESS;
- SHELL_FILE_HANDLE FileHandle;
-
- FileHandle = (SHELL_FILE_HANDLE)filp->devdata;
-
- if(whence != SEEK_SET) {
- // We are doing a relative seek
- if(whence == SEEK_END) {
- // seeking relative to EOF, so position there first.
- Status = ShellSetFilePosition( FileHandle, 0xFFFFFFFFFFFFFFFFULL);
- }
- if(Status == RETURN_SUCCESS) {
- // Now, determine our current position.
- Status = ShellGetFilePosition( FileHandle, (UINT64 *)&CurPos);
- }
- }
- else {
- CurPos = 0; // offset is an absolute position for SEEK_SET
- if(offset < 0) {
- Status = RETURN_INVALID_PARAMETER;
- }
- }
- if(Status == RETURN_SUCCESS) {
- /* CurPos now indicates the point we are seeking from, so seek... */
- Status = ShellSetFilePosition( FileHandle, (UINT64)(CurPos + offset));
- if(Status == RETURN_SUCCESS) {
- // Now, determine our final position.
- Status = ShellGetFilePosition( FileHandle, (UINT64 *)&CurPos);
- }
- }
- if(Status != RETURN_SUCCESS) {
- if(Status == EFI_UNSUPPORTED) {
- errno = EISDIR;
- }
- else {
- errno = EFI2errno(Status);
- }
- EFIerrno = Status;
- CurPos = EOF;
- }
- return CurPos;
-}
-
-/** The directory path is created with the access permissions specified by
- perms.
-
- The directory is closed after it is created.
-
- @param[in] path The directory to be created.
- @param[in] perms Access permissions for the new directory.
-
- @retval 0 The directory was created successfully.
- @retval -1 An error occurred and an error code is stored in errno.
-**/
-static
-int
-EFIAPI
-da_ShellMkdir(
- const char *path,
- __mode_t perms
- )
-{
- UINT64 TempAttr;
- SHELL_FILE_HANDLE FileHandle;
- RETURN_STATUS Status;
- EFI_FILE_INFO *FileInfo;
- wchar_t *NewPath;
- int retval = -1;
-
- // Convert name from MBCS to WCS and change '/' to '\\'
- NewPath = NormalizePath( path);
-
- if(NewPath != NULL) {
- Status = ShellCreateDirectory( NewPath, &FileHandle);
- if(Status == RETURN_SUCCESS) {
- FileInfo = ShellGetFileInfo( FileHandle);
- Status = RETURN_ABORTED; // In case ShellGetFileInfo() failed
- if(FileInfo != NULL) {
- TempAttr = FileInfo->Attribute & (EFI_FILE_RESERVED | EFI_FILE_DIRECTORY);
- FileInfo->Attribute = TempAttr | Omode2EFI(perms);
- Status = ShellSetFileInfo( FileHandle, FileInfo);
- FreePool(FileInfo);
- if(Status == RETURN_SUCCESS) {
- (void)ShellCloseFile(&FileHandle);
- retval = 0;
- }
- }
- }
- errno = EFI2errno(Status);
- EFIerrno = Status;
- free(NewPath);
- }
- return retval;
-}
-
-/** EFI Shell specific operations for reading from a file.
-
- @param[in] filp Pointer to a file descriptor structure.
- @param[in] offset Offset into the file to begin reading at, or NULL.
- @param[in] BufferSize Number of bytes in Buffer. Max number of bytes to read.
- @param[in] Buffer Pointer to a buffer to receive the read data.
-
- @return Returns the number of bytes successfully read,
- or -1 if the operation failed. Further information is specified by errno.
-**/
-static
-ssize_t
-EFIAPI
-da_ShellRead(
- IN OUT struct __filedes *filp,
- IN OUT off_t *offset,
- IN size_t BufferSize,
- OUT VOID *Buffer
-)
-{
- ssize_t BufSize;
- SHELL_FILE_HANDLE FileHandle;
- RETURN_STATUS Status;
-
- if(offset != NULL) {
- BufSize = (ssize_t)da_ShellSeek(filp, *offset, SEEK_SET);
- if(BufSize >= 0) {
- filp->f_offset = BufSize;
- }
- }
-
- BufSize = (ssize_t)BufferSize;
- FileHandle = (SHELL_FILE_HANDLE)filp->devdata;
-
- Status = ShellReadFile( FileHandle, (UINTN *)&BufSize, Buffer);
- if(Status != RETURN_SUCCESS) {
- EFIerrno = Status;
- errno = EFI2errno(Status);
- if(Status == RETURN_BUFFER_TOO_SMALL) {
- BufSize = -BufSize;
- }
- else {
- BufSize = -1;
- }
- }
- else {
- filp->f_offset += BufSize; // Advance to where we want to read next.
- }
- return BufSize;
-}
-
-/** EFI Shell specific operations for writing to a file.
-
- @param[in] filp Pointer to a file descriptor structure.
- @param[in] offset Offset into the file to begin writing at, or NULL.
- @param[in] BufferSize Number of bytes in Buffer. Max number of bytes to write.
- @param[in] Buffer Pointer to a buffer containing the data to be written.
-
- @return Returns the number of bytes successfully written,
- or -1 if the operation failed. Further information is specified by errno.
-**/
-static
-ssize_t
-EFIAPI
-da_ShellWrite(
- IN struct __filedes *filp,
- IN off_t *offset,
- IN size_t BufferSize,
- IN const void *Buffer
- )
-{
- ssize_t BufSize;
- SHELL_FILE_HANDLE FileHandle;
- RETURN_STATUS Status;
- off_t Position = 0;
- int How = SEEK_SET;
-
-
- if((offset != NULL) || (filp->Oflags & O_APPEND)) {
- if(filp->Oflags & O_APPEND) {
- Position = 0;
- How = SEEK_END;
- }
- else {
- Position = *offset;
- How = SEEK_SET;
- }
- BufSize = (ssize_t)da_ShellSeek(filp, Position, How);
- if(BufSize >= 0) {
- filp->f_offset = BufSize;
- }
- }
-
- BufSize = (ssize_t)BufferSize;
- FileHandle = (SHELL_FILE_HANDLE)filp->devdata;
-
- Status = ShellWriteFile( FileHandle, (UINTN *)&BufSize, (void *)Buffer);
-
- if(Status != RETURN_SUCCESS) {
- EFIerrno = Status;
- errno = EFI2errno(Status);
- if(Status == EFI_UNSUPPORTED) {
- errno = EISDIR;
- }
- BufSize = -1;
- }
- else {
- filp->f_offset += BufSize; // Advance to where we want to write next.
- }
-
- return BufSize;
-}
-
-/** EFI Shell specific operations for getting information about an open file.
-
- @param[in] filp Pointer to a file descriptor structure.
- @param[out] statbuf Buffer in which to store the file status.
- @param[in] Something This parameter is not used by this device.
-
- @retval 0 Successful completion.
- @retval -1 Operation failed. Further information is specified by errno.
-**/
-static
-int
-EFIAPI
-da_ShellStat(
- struct __filedes *filp,
- struct stat *statbuf,
- void *Something
- )
-{
- SHELL_FILE_HANDLE FileHandle;
- EFI_FILE_INFO *FileInfo = NULL;
- UINT64 Attributes;
- RETURN_STATUS Status;
- mode_t newmode;
-
- FileHandle = (SHELL_FILE_HANDLE)filp->devdata;
-
- FileInfo = ShellGetFileInfo( FileHandle);
-
- if(FileInfo != NULL) {
- // Got the info, now populate statbuf with it
- statbuf->st_blksize = S_BLKSIZE;
- statbuf->st_size = FileInfo->FileSize;
- statbuf->st_physsize = FileInfo->PhysicalSize;
- statbuf->st_birthtime = Efi2Time( &FileInfo->CreateTime);
- statbuf->st_atime = Efi2Time( &FileInfo->LastAccessTime);
- statbuf->st_mtime = Efi2Time( &FileInfo->ModificationTime);
- Attributes = FileInfo->Attribute;
- newmode = (mode_t)(Attributes << S_EFISHIFT) | S_ACC_READ;
- if((Attributes & EFI_FILE_DIRECTORY) == 0) {
- newmode |= _S_IFREG;
- if((Attributes & EFI_FILE_READ_ONLY) == 0) {
- newmode |= S_ACC_WRITE;
- }
- }
- else {
- newmode |= _S_IFDIR;
- }
- statbuf->st_mode = newmode;
- Status = RETURN_SUCCESS;
- }
- else {
- Status = RETURN_DEVICE_ERROR;
- errno = EIO;
- }
- EFIerrno = Status;
-
- if(FileInfo != NULL) {
- FreePool(FileInfo); // Release the buffer allocated by the GetInfo function
- }
- return (Status == RETURN_SUCCESS)? 0 : -1;
-}
-
-/** EFI Shell specific operations for low-level control of a file or device.
-
- @param[in] filp Pointer to a file descriptor structure.
- @param[in] cmd The command this ioctl is to perform.
- @param[in,out] argp Zero or more arguments as needed by the command.
-
- @retval 0 Successful completion.
- @retval -1 Operation failed. Further information is specified by errno.
-**/
-static
-int
-EFIAPI
-da_ShellIoctl(
- struct __filedes *filp,
- ULONGN cmd,
- va_list argp
- )
-{
- EFI_FILE_INFO *FileInfo = NULL;
- SHELL_FILE_HANDLE FileHandle;
- RETURN_STATUS Status = RETURN_SUCCESS;
- int retval = 0;
-
- FileHandle = (SHELL_FILE_HANDLE)filp->devdata;
-
- FileInfo = ShellGetFileInfo( FileHandle);
-
- if(FileInfo != NULL) {
- if( cmd == (ULONGN)FIOSETIME) {
- struct timeval *TV;
- EFI_TIME *ET;
- int mod = 0;
-
- TV = va_arg(argp, struct timeval*);
- if(TV[0].tv_sec != 0) {
- ET = Time2Efi(TV[0].tv_sec);
- if(ET != NULL) {
- (void) memcpy(&FileInfo->LastAccessTime, ET, sizeof(EFI_TIME));
- FileInfo->LastAccessTime.Nanosecond = TV[0].tv_usec * 1000;
- free(ET);
- ++mod;
- }
- }
- if(TV[1].tv_sec != 0) {
- ET = Time2Efi(TV[1].tv_sec);
- if(ET != NULL) {
- (void) memcpy(&FileInfo->ModificationTime, ET, sizeof(EFI_TIME));
- FileInfo->ModificationTime.Nanosecond = TV[1].tv_usec * 1000;
- free(ET);
- ++mod;
- }
- }
- /* Set access and modification times */
- Status = ShellSetFileInfo(FileHandle, FileInfo);
- errno = EFI2errno(Status);
- }
- }
- else {
- Status = RETURN_DEVICE_ERROR;
- errno = EIO;
- }
- if(RETURN_ERROR(Status)) {
- retval = -1;
- }
- EFIerrno = Status;
-
- if(FileInfo != NULL) {
- FreePool(FileInfo); // Release the buffer allocated by the GetInfo function
- }
- return retval;
-}
-
-/** EFI Shell specific operations for opening a file or directory.
-
- @param[in] DevNode Pointer to a device descriptor
- @param[in] filp Pointer to a file descriptor structure.
- @param[in] DevInstance Not used by this device.
- @param[in] Path File-system path to the file or directory.
- @param[in] MPath Device or Map name on which Path resides.
-
- @return Returns a file descriptor for the newly opened file,
- or -1 if the Operation failed. Further information is specified by errno.
-**/
-int
-EFIAPI
-da_ShellOpen(
- DeviceNode *DevNode,
- struct __filedes *filp,
- int DevInstance, /* Not used by Shell */
- wchar_t *Path,
- wchar_t *MPath
- )
-{
- UINT64 OpenMode;
- UINT64 Attributes;
- SHELL_FILE_HANDLE FileHandle;
- GenericInstance *Gip;
- char *NPath;
- wchar_t *WPath;
- RETURN_STATUS Status;
- int oflags;
- int retval;
-
- EFIerrno = RETURN_SUCCESS;
-
- //Attributes = Omode2EFI(mode);
- Attributes = 0;
-
- // Convert oflags to Attributes
- oflags = filp->Oflags;
- OpenMode = Oflags2EFI(oflags);
- if(OpenMode == 0) {
- errno = EINVAL;
- return -1;
- }
-
- /* Re-create the full mapped path for the shell. */
- if(MPath != NULL) {
- WPath = AllocateZeroPool(PATH_MAX * sizeof(wchar_t) + 1);
- if(WPath == NULL) {
- errno = ENOMEM;
- EFIerrno = RETURN_OUT_OF_RESOURCES;
- return -1;
- }
- wcsncpy(WPath, MPath, NAME_MAX); /* Get the Map Name */
- wcsncat(WPath, Path, (PATH_MAX - NAME_MAX)); /* Append the path */
- }
- else {
- WPath = Path;
- }
-
- retval = -1; /* Initially assume failure. */
-
- /* Do we care if the file already exists?
- If O_TRUNC, then delete the file. It will be created anew subsequently.
- If O_EXCL, then error if the file exists and O_CREAT is set.
-
- !!!!!!!!! Change this to use ShellSetFileInfo() to actually truncate the file
- !!!!!!!!! instead of deleting and re-creating it.
- */
- do { /* Do fake exception handling */
- if((oflags & O_TRUNC) || ((oflags & (O_EXCL | O_CREAT)) == (O_EXCL | O_CREAT))) {
- Status = ShellIsFile( WPath );
- if(Status == RETURN_SUCCESS) {
- // The file exists
- if(oflags & O_TRUNC) {
- NPath = AllocateZeroPool(PATH_MAX);
- if(NPath == NULL) {
- errno = ENOMEM;
- EFIerrno = RETURN_OUT_OF_RESOURCES;
- break;
- }
- wcstombs(NPath, WPath, PATH_MAX);
- // We do a truncate by deleting the existing file and creating a new one.
- if(unlink(NPath) != 0) {
- filp->f_iflags = 0; // Release our reservation on this FD
- FreePool(NPath);
- break;
- }
- FreePool(NPath);
- }
- else if((oflags & (O_EXCL | O_CREAT)) == (O_EXCL | O_CREAT)) {
- errno = EEXIST;
- EFIerrno = RETURN_ACCESS_DENIED;
- filp->f_iflags = 0; // Release our reservation on this FD
- break;
- }
- }
- }
-
- // Call the EFI Shell's Open function
- Status = ShellOpenFileByName( WPath, &FileHandle, OpenMode, Attributes);
- if(RETURN_ERROR(Status)) {
- filp->f_iflags = 0; // Release our reservation on this FD
- // Set errno based upon Status
- errno = EFI2errno(Status);
- EFIerrno = Status;
- break;
- }
- retval = 0;
- // Successfully got a regular File
- filp->f_iflags |= S_IFREG;
-
- // Update the info in the fd
- filp->devdata = (void *)FileHandle;
-
- Gip = (GenericInstance *)DevNode->InstanceList;
- filp->f_offset = 0;
- filp->f_ops = &Gip->Abstraction;
- // filp->devdata = FileHandle;
- } while(FALSE);
-
- /* If we get this far, WPath is not NULL.
- If MPath is not NULL, then WPath was allocated so we need to free it.
- */
- if(MPath != NULL) {
- FreePool(WPath);
- }
- return retval;
-}
-
-#include <sys/poll.h>
-/** Returns a bit mask describing which operations could be completed immediately.
-
- For now, assume the file system, via the shell, is always ready.
-
- (POLLIN | POLLRDNORM) The file system is ready to be read.
- (POLLOUT) The file system is ready for output.
-
- @param[in] filp Pointer to a file descriptor structure.
- @param[in] events Bit mask describing which operations to check.
-
- @return The returned value is a bit mask describing which operations
- could be completed immediately, without blocking.
-**/
-static
-short
-EFIAPI
-da_ShellPoll(
- struct __filedes *filp,
- short events
- )
-{
- UINT32 RdyMask;
- short retval = 0;
-
- RdyMask = (UINT32)filp->Oflags;
-
- switch(RdyMask & O_ACCMODE) {
- case O_RDONLY:
- retval = (POLLIN | POLLRDNORM);
- break;
-
- case O_WRONLY:
- retval = POLLOUT;
- break;
-
- case O_RDWR:
- retval = (POLLIN | POLLRDNORM | POLLOUT);
- break;
-
- default:
- retval = POLLERR;
- break;
- }
- return (retval & (events | POLL_RETONLY));
-}
-
-/** EFI Shell specific operations for renaming a file.
-
- @param[in] from Name of the file to be renamed.
- @param[in] to New name for the file.
-
- @retval 0 Successful completion.
- @retval -1 Operation failed. Further information is specified by errno.
-**/
-static
-int
-EFIAPI
-da_ShellRename(
- const char *from,
- const char *to
- )
-{
- RETURN_STATUS Status;
- EFI_FILE_INFO *NewFileInfo;
- EFI_FILE_INFO *OldFileInfo;
- wchar_t *NewFn;
- int OldFd;
- SHELL_FILE_HANDLE FileHandle;
- wchar_t *NormalizedPath;
-
- // Open old file
- OldFd = open(from, O_RDWR, 0);
- if(OldFd >= 0) {
- FileHandle = (SHELL_FILE_HANDLE)gMD->fdarray[OldFd].devdata;
-
- NewFileInfo = malloc(sizeof(EFI_FILE_INFO) + PATH_MAX);
- if(NewFileInfo != NULL) {
- OldFileInfo = ShellGetFileInfo( FileHandle);
- if(OldFileInfo != NULL) {
- // Copy the Old file info into our new buffer, and free the old.
- memcpy(NewFileInfo, OldFileInfo, sizeof(EFI_FILE_INFO));
- FreePool(OldFileInfo);
- // Normalize path and convert to WCS.
- NormalizedPath = NormalizePath(to);
- if (NormalizedPath != NULL) {
- // Strip off all but the file name portion of new
- NewFn = GetFileNameFromPath(NormalizedPath);
- // Copy the new file name into our new file info buffer
- wcsncpy(NewFileInfo->FileName, NewFn, wcslen(NewFn) + 1);
- // Update the size of the structure.
- NewFileInfo->Size = sizeof(EFI_FILE_INFO) + StrSize(NewFn);
- // Apply the new file name
- Status = ShellSetFileInfo(FileHandle, NewFileInfo);
- free(NormalizedPath);
- free(NewFileInfo);
- if(Status == EFI_SUCCESS) {
- // File has been successfully renamed. We are DONE!
- return 0;
- }
- errno = EFI2errno( Status );
- EFIerrno = Status;
- }
- else {
- free(NewFileInfo);
- errno = ENOMEM;
- }
- }
- else {
- free(NewFileInfo);
- errno = EIO;
- }
- }
- else {
- errno = ENOMEM;
- }
- }
- return -1;
-}
-
-/** EFI Shell specific operations for deleting directories.
-
- @param[in] filp Pointer to a file descriptor structure.
-
- @retval 0 Successful completion.
- @retval -1 Operation failed. Further information is specified by errno.
-**/
-static
-int
-EFIAPI
-da_ShellRmdir(
- struct __filedes *filp
- )
-{
- SHELL_FILE_HANDLE FileHandle;
- RETURN_STATUS Status = RETURN_SUCCESS;
- EFI_FILE_INFO *FileInfo;
- int OldErrno;
- int Count = 0;
- BOOLEAN NoFile = FALSE;
-
- OldErrno = errno; // Save the original value
- errno = 0; // Make it easier to see if we have an error later
-
- FileHandle = (SHELL_FILE_HANDLE)filp->devdata;
-
- FileInfo = ShellGetFileInfo(FileHandle);
- if(FileInfo != NULL) {
- if((FileInfo->Attribute & EFI_FILE_DIRECTORY) == 0) {
- errno = ENOTDIR;
- }
- else {
- FreePool(FileInfo); // Free up the buffer from ShellGetFileInfo()
- // See if the directory has any entries other than ".." and ".".
- Status = ShellFindFirstFile( FileHandle, &FileInfo);
- if(Status == RETURN_SUCCESS) {
- ++Count;
- while(Count < 3) {
- Status = ShellFindNextFile( FileHandle, FileInfo, &NoFile);
- if(Status == RETURN_SUCCESS) {
- if(NoFile) {
- break;
- }
- ++Count;
- }
- else {
- Count = 99;
- }
- }
- /* Count == 99 and FileInfo is allocated if ShellFindNextFile failed.
- ShellFindNextFile has freed FileInfo itself if it sets NoFile TRUE.
- */
- if((! NoFile) || (Count == 99)) {
- free(FileInfo); // Free buffer from ShellFindFirstFile()
- }
- if(Count < 3) {
- // Directory is empty
- Status = ShellDeleteFile( &FileHandle);
- if(Status == RETURN_SUCCESS) {
- EFIerrno = RETURN_SUCCESS;
- errno = OldErrno; // Restore the original value
- return 0;
- /* ######## SUCCESSFUL RETURN ######## */
- }
- /* FileInfo is freed and FileHandle closed. */
- }
- else {
- if(Count == 99) {
- errno = EIO;
- }
- else {
- errno = ENOTEMPTY;
- }
- }
- }
- }
- }
- else {
- errno = EIO;
- }
- ShellCloseFile( &FileHandle);
- EFIerrno = Status;
- if(errno == 0) {
- errno = EFI2errno( Status );
- }
- return -1;
-}
-
-/** Construct an instance of the abstract Shell device.
-
- Allocate the instance structure and populate it with the information for
- the device.
-
- @param[in] ImageHandle This application's image handle.
- @param[in] SystemTable Pointer to the UEFI System Table.
-
- @retval RETURN_SUCCESS Successful completion.
- @retval RETURN_OUT_OF_RESOURCES Failed to allocate memory for new device.
- @retval RETURN_INVALID_PARAMETER A default device has already been created.
-**/
-RETURN_STATUS
-EFIAPI
-__ctor_DevShell(
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
-)
-{
- GenericInstance *Stream;
- DeviceNode *Node;
- RETURN_STATUS Status;
-
- Stream = (GenericInstance *)AllocateZeroPool(sizeof(GenericInstance));
- if(Stream == NULL) {
- return RETURN_OUT_OF_RESOURCES;
- }
-
- Stream->Cookie = CON_COOKIE;
- Stream->InstanceNum = 1;
- Stream->Dev = NULL;
- Stream->Abstraction.fo_close = &da_ShellClose;
- Stream->Abstraction.fo_read = &da_ShellRead;
- Stream->Abstraction.fo_write = &da_ShellWrite;
- Stream->Abstraction.fo_fcntl = &fnullop_fcntl;
- Stream->Abstraction.fo_poll = &da_ShellPoll;
- Stream->Abstraction.fo_flush = &fnullop_flush;
- Stream->Abstraction.fo_stat = &da_ShellStat;
- Stream->Abstraction.fo_ioctl = &da_ShellIoctl;
- Stream->Abstraction.fo_delete = &da_ShellDelete;
- Stream->Abstraction.fo_rmdir = &da_ShellRmdir;
- Stream->Abstraction.fo_mkdir = &da_ShellMkdir;
- Stream->Abstraction.fo_rename = &da_ShellRename;
- Stream->Abstraction.fo_lseek = &da_ShellSeek;
-
- Node = __DevRegister(NULL, NULL, &da_ShellOpen, Stream, 1, sizeof(GenericInstance), O_RDWR);
- Status = EFIerrno;
- Stream->Parent = Node;
-
- return Status;
-}
-
-/** Destructor for previously constructed EFI Shell device instances.
-
- @param[in] ImageHandle This application's image handle.
- @param[in] SystemTable Pointer to the UEFI System Table.
-
- @retval 0 Successful completion is always returned.
-**/
-RETURN_STATUS
-EFIAPI
-__dtor_DevShell(
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
-)
-{
- if(daDefaultDevice != NULL) {
- if(daDefaultDevice->InstanceList != NULL) {
- FreePool(daDefaultDevice->InstanceList);
- }
- FreePool(daDefaultDevice);
- }
- return RETURN_SUCCESS;
-}
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