diff options
Diffstat (limited to 'ArmPkg/Application/LinuxLoader/LinuxLoaderEfiApp.c')
| -rw-r--r-- | ArmPkg/Application/LinuxLoader/LinuxLoaderEfiApp.c | 303 |
1 files changed, 0 insertions, 303 deletions
diff --git a/ArmPkg/Application/LinuxLoader/LinuxLoaderEfiApp.c b/ArmPkg/Application/LinuxLoader/LinuxLoaderEfiApp.c deleted file mode 100644 index 57a9cd38cf..0000000000 --- a/ArmPkg/Application/LinuxLoader/LinuxLoaderEfiApp.c +++ /dev/null @@ -1,303 +0,0 @@ -/** @file
-*
-* Copyright (c) 2011-2015, ARM Limited. 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.
-*
-**/
-
-#include "LinuxLoader.h"
-
-/**
- Extract the next item from the command line.
-
- The items are separated by spaces. Quotation marks (") are used for argument
- grouping and the escaping character is "^" as for the EFI Shell command lines.
-
- @param[in out] CommandLine Command line pointer.
- @param[out] Item Pointer to the allocated buffer where the
- item is stored.
-
- @retval EFI_SUCCESS The token was found and extracted.
- @retval EFI_NOT_FOUND No item found.
- @retval EFI_OUT_OF_RESOURCES The memory allocation failed.
-
-**/
-STATIC
-EFI_STATUS
-ExtractNextItem (
- IN OUT CONST CHAR16 **CommandLine,
- OUT CHAR16 **Item
- )
-{
- CONST CHAR16 *Walker;
- VOID *Buffer;
- CHAR16 *WritePtr;
- BOOLEAN InQuotedString;
- BOOLEAN Interpret;
-
- for (Walker = *CommandLine; *Walker == L' '; Walker++) {
- ;
- }
-
- Buffer = AllocatePool (StrSize (Walker));
- if (Buffer == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- for (WritePtr = Buffer, Interpret = TRUE, InQuotedString = FALSE;
- ((*Walker != L' ') || InQuotedString) && (*Walker != L'\0');
- Walker++
- ) {
- if (Interpret) {
- if (*Walker == L'^') {
- Interpret = FALSE;
- continue;
- }
- if (*Walker == L'"') {
- InQuotedString = !InQuotedString;
- continue;
- }
- } else {
- Interpret = TRUE;
- }
- *(WritePtr++) = *Walker;
- }
-
- if (WritePtr == Buffer) {
- FreePool (Buffer);
- return EFI_NOT_FOUND;
- }
-
- *WritePtr = L'\0';
- *CommandLine = Walker;
- *Item = Buffer;
-
- return EFI_SUCCESS;
-}
-
-/**
- Check if an item of the command line is a flag or not.
-
- @param[in] Item Command line item.
-
- @retval TRUE The item is a flag.
- @retval FALSE The item is not a flag.
-
-**/
-STATIC
-BOOLEAN
-IsFlag (
- IN CONST CHAR16 *Item
- )
-{
- return ((Item[0] == L'-') && (Item[2] == L'\0'));
-}
-
-/**
- Process the application command line.
-
- @param[out] KernelTextDevicePath A pointer to the buffer where the device
- path to the Linux kernel is stored. The
- address of the buffer is NULL in case of
- an error. Otherwise, the returned address
- is the address of a buffer allocated with
- a call to AllocatePool() that has to be
- freed by the caller.
- @param[out] FdtTextDevicePath A pointer to the buffer where the device
- path to the FDT is stored. The address of
- the buffer is NULL in case of an error or
- if the device path to the FDT is not
- defined. Otherwise, the returned address
- is the address of a buffer allocated with
- a call to AllocatePool() that has to be
- freed by the caller.
- @param[out] InitrdTextDevicePath A pointer to the buffer where the device
- path to the RAM root file system is stored.
- The address of the buffer is NULL in case
- of an error or if the device path to the
- RAM root file system is not defined.
- Otherwise, the returned address is the
- address of a buffer allocated with a call
- to AllocatePool() that has to be freed by
- the caller.
- @param[out] LinuxCommandLine A pointer to the buffer where the Linux
- kernel command line is stored. The address
- of the buffer is NULL in case of an error
- or if the Linux command line is not
- defined. Otherwise, the returned address
- is the address of a buffer allocated with
- a call to AllocatePool() that has to be
- freed by the caller.
-
- @param[out] AtagMachineType Value of the ARM Machine Type
-
- @retval EFI_SUCCESS The processing was successfull.
- @retval EFI_NOT_FOUND EFI_LOADED_IMAGE_PROTOCOL not found.
- @retval EFI_NOT_FOUND Path to the Linux kernel not found.
- @retval EFI_INVALID_PARAMETER At least one parameter is not valid or there is a
- conflict between two parameters.
- @retval EFI_OUT_OF_RESOURCES A memory allocation failed.
-
-**/
-EFI_STATUS
-ProcessAppCommandLine (
- OUT CHAR16 **KernelTextDevicePath,
- OUT CHAR16 **FdtTextDevicePath,
- OUT CHAR16 **InitrdTextDevicePath,
- OUT CHAR16 **LinuxCommandLine,
- OUT UINTN *AtagMachineType
- )
-{
- EFI_STATUS Status;
- EFI_STATUS Status2;
- EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
- CONST CHAR16 *Walker;
- CHAR16 *Item;
- CHAR16 Flag;
- BOOLEAN HasAtagSupport;
- BOOLEAN HasFdtSupport;
-
- *KernelTextDevicePath = NULL;
- *FdtTextDevicePath = NULL;
- *InitrdTextDevicePath = NULL;
- *LinuxCommandLine = NULL;
- *AtagMachineType = ARM_FDT_MACHINE_TYPE;
-
- HasAtagSupport = FALSE;
- HasFdtSupport = FALSE;
-
- Status = gBS->HandleProtocol (
- gImageHandle,
- &gEfiLoadedImageProtocolGuid,
- (VOID**)&LoadedImage
- );
- if (EFI_ERROR (Status)) {
- ASSERT_EFI_ERROR (Status);
- return Status;
- }
-
- Walker = (CHAR16*)LoadedImage->LoadOptions;
- if (Walker == NULL) {
- PrintHelp (NULL);
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // Get the device path to the Linux kernel.
- //
-
- Status = ExtractNextItem (&Walker, &Item);
- if (!EFI_ERROR (Status)) {
- if (!IsFlag (Item)) {
- *KernelTextDevicePath = Item;
- } else {
- PrintHii (NULL, STRING_TOKEN (STR_MISSING_KERNEL_PATH));
- FreePool (Item);
- return EFI_NOT_FOUND;
- }
- } else {
- if (Status != EFI_NOT_FOUND) {
- return Status;
- }
- PrintHelp (NULL);
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_INVALID_PARAMETER;
- while (*Walker != L'\0') {
- Status2 = ExtractNextItem (&Walker, &Item);
- if (Status2 == EFI_NOT_FOUND) {
- break;
- }
- if (EFI_ERROR (Status2)) {
- Status = Status2;
- goto Error;
- }
-
- if (!IsFlag (Item)) {
- PrintHii (NULL, STRING_TOKEN (STR_INVALID_FLAG), Item[0], Item[1]);
- FreePool (Item);
- goto Error;
- }
- Flag = Item[1];
- FreePool (Item);
-
- Status2 = ExtractNextItem (&Walker, &Item);
- if (Status2 == EFI_NOT_FOUND) {
- PrintHii (NULL, STRING_TOKEN (STR_MISSING_VALUE), Flag);
- goto Error;
- }
- if (EFI_ERROR (Status2)) {
- Status = Status2;
- goto Error;
- }
- if (IsFlag (Item)) {
- PrintHii (NULL, STRING_TOKEN (STR_MISSING_VALUE), Flag);
- FreePool (Item);
- goto Error;
- }
-
- switch (Flag) {
- case L'a':
- if (HasFdtSupport) {
- PrintHii (NULL, STRING_TOKEN (STR_ATAG_FDT_CONFLICT));
- goto Error;
- }
- *AtagMachineType = StrDecimalToUintn (Item);
- HasAtagSupport = TRUE;
- break;
- case L'd':
- *FdtTextDevicePath = Item;
- if (HasAtagSupport) {
- PrintHii (NULL, STRING_TOKEN (STR_ATAG_FDT_CONFLICT));
- goto Error;
- }
- HasFdtSupport = TRUE;
- break;
-
- case L'c':
- *LinuxCommandLine = Item;
- break;
-
- case L'f':
- *InitrdTextDevicePath = Item;
- break;
-
- default:
- PrintHii (NULL, STRING_TOKEN (STR_INVALID_FLAG), L'-', Flag);
- FreePool (Item);
- goto Error;
- }
- }
-
- Status = EFI_SUCCESS;
-
-Error:
- if (EFI_ERROR (Status)) {
- if (*KernelTextDevicePath != NULL) {
- FreePool (*KernelTextDevicePath);
- *KernelTextDevicePath = NULL;
- }
- if (*FdtTextDevicePath != NULL) {
- FreePool (*FdtTextDevicePath);
- *FdtTextDevicePath = NULL;
- }
- if (*InitrdTextDevicePath != NULL) {
- FreePool (*InitrdTextDevicePath);
- *InitrdTextDevicePath = NULL;
- }
- if (*LinuxCommandLine != NULL) {
- FreePool (*LinuxCommandLine);
- *LinuxCommandLine = NULL;
- }
- }
-
- return Status;
-}
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