diff options
Diffstat (limited to 'ArmPlatformPkg/Library/ArmShellCmdRunAxf/RunAxf.c')
| -rw-r--r-- | ArmPlatformPkg/Library/ArmShellCmdRunAxf/RunAxf.c | 395 |
1 files changed, 0 insertions, 395 deletions
diff --git a/ArmPlatformPkg/Library/ArmShellCmdRunAxf/RunAxf.c b/ArmPlatformPkg/Library/ArmShellCmdRunAxf/RunAxf.c deleted file mode 100644 index 9f4fc78030..0000000000 --- a/ArmPlatformPkg/Library/ArmShellCmdRunAxf/RunAxf.c +++ /dev/null @@ -1,395 +0,0 @@ -/** @file
-*
-* Shell command for launching AXF files.
-*
-* Copyright (c) 2014, 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 <Guid/GlobalVariable.h>
-
-#include <Library/PrintLib.h>
-#include <Library/HandleParsingLib.h>
-#include <Library/DevicePathLib.h>
-#include <Library/BaseLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/DebugLib.h>
-
-#include <Library/ArmLib.h>
-
-#include "ArmShellCmdRunAxf.h"
-#include "ElfLoader.h"
-#include "BootMonFsLoader.h"
-
-// Provide arguments to AXF?
-typedef VOID (*ELF_ENTRYPOINT)(UINTN arg0, UINTN arg1,
- UINTN arg2, UINTN arg3);
-
-STATIC
-EFI_STATUS
-ShutdownUefiBootServices (
- VOID
- )
-{
- EFI_STATUS Status;
- UINTN MemoryMapSize;
- EFI_MEMORY_DESCRIPTOR *MemoryMap;
- UINTN MapKey;
- UINTN DescriptorSize;
- UINT32 DescriptorVersion;
- UINTN Pages;
-
- MemoryMap = NULL;
- MemoryMapSize = 0;
- Pages = 0;
-
- do {
- Status = gBS->GetMemoryMap (
- &MemoryMapSize,
- MemoryMap,
- &MapKey,
- &DescriptorSize,
- &DescriptorVersion
- );
- if (Status == EFI_BUFFER_TOO_SMALL) {
-
- Pages = EFI_SIZE_TO_PAGES (MemoryMapSize) + 1;
- MemoryMap = AllocatePages (Pages);
-
- //
- // Get System MemoryMap
- //
- Status = gBS->GetMemoryMap (
- &MemoryMapSize,
- MemoryMap,
- &MapKey,
- &DescriptorSize,
- &DescriptorVersion
- );
- }
-
- // Don't do anything between the GetMemoryMap() and ExitBootServices()
- if (!EFI_ERROR(Status)) {
- Status = gBS->ExitBootServices (gImageHandle, MapKey);
- if (EFI_ERROR(Status)) {
- FreePages (MemoryMap, Pages);
- MemoryMap = NULL;
- MemoryMapSize = 0;
- }
- }
- } while (EFI_ERROR(Status));
-
- return Status;
-}
-
-
-STATIC
-EFI_STATUS
-PreparePlatformHardware (
- VOID
- )
-{
- //Note: Interrupts will be disabled by the GIC driver when ExitBootServices() will be called.
-
- // Clean before Disable else the Stack gets corrupted with old data.
- ArmCleanDataCache ();
- ArmDisableDataCache ();
- // Invalidate all the entries that might have snuck in.
- ArmInvalidateDataCache ();
-
- // Disable and invalidate the instruction cache
- ArmDisableInstructionCache ();
- ArmInvalidateInstructionCache ();
-
- // Turn off MMU
- ArmDisableMmu();
-
- return EFI_SUCCESS;
-}
-
-// Process arguments to pass to AXF?
-STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
- {NULL, TypeMax}
-};
-
-
-/**
- This is the shell command handler function pointer callback type. This
- function handles the command when it is invoked in the shell.
-
- @param[in] This The instance of the
- EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL.
- @param[in] SystemTable The pointer to the system table.
- @param[in] ShellParameters The parameters associated with the command.
- @param[in] Shell The instance of the shell protocol used in the
- context of processing this command.
-
- @return EFI_SUCCESS The operation was successful.
- @return other The operation failed.
-**/
-SHELL_STATUS
-EFIAPI
-ShellDynCmdRunAxfHandler (
- IN EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL *This,
- IN EFI_SYSTEM_TABLE *SystemTable,
- IN EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,
- IN EFI_SHELL_PROTOCOL *Shell
- )
-{
- LIST_ENTRY *ParamPackage;
- EFI_STATUS Status;
- SHELL_STATUS ShellStatus;
- SHELL_FILE_HANDLE FileHandle;
- ELF_ENTRYPOINT StartElf;
- CONST CHAR16 *FileName;
- EFI_FILE_INFO *Info;
- UINTN FileSize;
- VOID *FileData;
- VOID *Entrypoint;
- LIST_ENTRY LoadList;
- LIST_ENTRY *Node;
- LIST_ENTRY *NextNode;
- RUNAXF_LOAD_LIST *LoadNode;
- CHAR16 *TmpFileName;
- CHAR16 *TmpChar16;
-
-
- ShellStatus = SHELL_SUCCESS;
- FileHandle = NULL;
- FileData = NULL;
- InitializeListHead (&LoadList);
-
- // Only install if they are not there yet? First time or every time?
- // These can change if the shell exits and start again.
- Status = gBS->InstallMultipleProtocolInterfaces (&gImageHandle,
- &gEfiShellProtocolGuid, Shell,
- &gEfiShellParametersProtocolGuid, ShellParameters,
- NULL);
-
- if (EFI_ERROR (Status)) {
- return SHELL_DEVICE_ERROR;
- }
-
- // Update the protocols for the application library
- Status = ShellInitialize ();
- ASSERT_EFI_ERROR (Status);
- // Add support to load AXF with optipnal args?
-
- //
- // Process Command Line arguments
- //
- Status = ShellCommandLineParse (ParamList, &ParamPackage, NULL, TRUE);
- if (EFI_ERROR (Status)) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_RUNAXF_INVALID_ARG), gRunAxfHiiHandle);
- ShellStatus = SHELL_INVALID_PARAMETER;
- } else {
- //
- // Check for "-?"
- //
- if ((ShellCommandLineGetFlag (ParamPackage, L"-?")) ||
- (ShellCommandLineGetRawValue (ParamPackage, 1) == NULL)) {
- //
- // We didn't get a file to load
- //
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_RUNAXF_INVALID_ARG), gRunAxfHiiHandle);
- ShellStatus = SHELL_INVALID_PARAMETER;
- } else {
- // For the moment we assume we only ever get one file to load with no arguments.
- FileName = ShellCommandLineGetRawValue (ParamPackage, 1);
- Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ, 0);
- if (EFI_ERROR (Status)) {
- // BootMonFS supports file extensions, but they are stripped by default
- // when the NOR is programmed.
- // Remove the file extension and try to open again.
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_RUNAXF_FILE_NOT_FOUND),
- gRunAxfHiiHandle, FileName);
- // Go through the filename and remove file extension. Preserve the
- // original name.
- TmpFileName = AllocateCopyPool (StrSize (FileName), (VOID *)FileName);
- if (TmpFileName != NULL) {
- TmpChar16 = StrStr (TmpFileName, L".");
- if (TmpChar16 != NULL) {
- *TmpChar16 = '\0';
- DEBUG((EFI_D_ERROR, "Trying to open file: %s\n", TmpFileName));
- Status = ShellOpenFileByName (TmpFileName, &FileHandle,
- EFI_FILE_MODE_READ, 0);
- }
- FreePool (TmpFileName);
- }
- // Do we now have an open file after trying again?
- if (EFI_ERROR (Status)) {
- ShellStatus = SHELL_INVALID_PARAMETER;
- FileHandle = NULL;
- }
- }
-
- if (FileHandle != NULL) {
- Info = ShellGetFileInfo (FileHandle);
- FileSize = (UINTN) Info->FileSize;
- FreePool (Info);
-
- //
- // Allocate buffer to read file. 'Runtime' so we can access it after
- // ExitBootServices().
- //
- FileData = AllocateRuntimeZeroPool (FileSize);
- if (FileData == NULL) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_RUNAXF_NO_MEM), gRunAxfHiiHandle);
- ShellStatus = SHELL_OUT_OF_RESOURCES;
- } else {
- //
- // Read file into Buffer
- //
- Status = ShellReadFile (FileHandle, &FileSize, FileData);
- if (EFI_ERROR (Status)) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_RUNAXF_READ_FAIL), gRunAxfHiiHandle);
- SHELL_FREE_NON_NULL (FileData);
- FileData = NULL;
- ShellStatus = SHELL_DEVICE_ERROR;
- }
- }
- }
- }
-
- //
- // Free the command line package
- //
- ShellCommandLineFreeVarList (ParamPackage);
- }
-
- // We have a file in memory. Try to work out if we can use it.
- // It can either be in ELF format or BootMonFS format.
- if (FileData != NULL) {
- // Do some validation on the file before we try to load it. The file can
- // either be an proper ELF file or one processed by the FlashLoader.
- // Since the data might need to go to various locations in memory we cannot
- // load the data directly while UEFI is running. We use the file loaders to
- // populate a linked list of data and load addresses. This is processed and
- // data copied to where it needs to go after calling ExitBootServices. At
- // that stage we've reached the point of no return, so overwriting UEFI code
- // does not make a difference.
- Status = ElfCheckFile (FileData);
- if (!EFI_ERROR (Status)) {
- // Load program into memory
- Status = ElfLoadFile ((VOID*)FileData, &Entrypoint, &LoadList);
- } else {
- // Try to see if it is a BootMonFs executable
- Status = BootMonFsCheckFile ((EFI_FILE_HANDLE)FileHandle);
- if (!EFI_ERROR (Status)) {
- // Load program into memory
- Status = BootMonFsLoadFile ((EFI_FILE_HANDLE)FileHandle,
- (VOID*)FileData, &Entrypoint, &LoadList);
- } else {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_RUNAXF_BAD_FILE),
- gRunAxfHiiHandle);
- SHELL_FREE_NON_NULL (FileData);
- ShellStatus = SHELL_UNSUPPORTED;
- }
- }
- }
-
- // Program load list created.
- // Shutdown UEFI, copy and jump to code.
- if (!IsListEmpty (&LoadList) && !EFI_ERROR (Status)) {
- // Exit boot services here. This means we cannot return and cannot assume to
- // have access to UEFI functions.
- Status = ShutdownUefiBootServices ();
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR,"Can not shutdown UEFI boot services. Status=0x%X\n",
- Status));
- } else {
- // Process linked list. Copy data to Memory.
- Node = GetFirstNode (&LoadList);
- while (!IsNull (&LoadList, Node)) {
- LoadNode = (RUNAXF_LOAD_LIST *)Node;
- // Do we have data to copy or do we need to set Zeroes (.bss)?
- if (LoadNode->Zeroes) {
- ZeroMem ((VOID*)LoadNode->MemOffset, LoadNode->Length);
- } else {
- CopyMem ((VOID *)LoadNode->MemOffset, (VOID *)LoadNode->FileOffset,
- LoadNode->Length);
- }
- Node = GetNextNode (&LoadList, Node);
- }
-
- //
- // Switch off interrupts, caches, mmu, etc
- //
- Status = PreparePlatformHardware ();
- ASSERT_EFI_ERROR (Status);
-
- StartElf = (ELF_ENTRYPOINT)Entrypoint;
- StartElf (0,0,0,0);
-
- // We should never get here.. But if we do, spin..
- ASSERT (FALSE);
- while (1);
- }
- }
-
- // Free file related information as we are returning to UEFI.
- Node = GetFirstNode (&LoadList);
- while (!IsNull (&LoadList, Node)) {
- NextNode = RemoveEntryList (Node);
- FreePool (Node);
- Node = NextNode;
- }
- SHELL_FREE_NON_NULL (FileData);
- if (FileHandle != NULL) {
- ShellCloseFile (&FileHandle);
- }
-
- // Uninstall protocols as we don't know if they will change.
- // If the shell exits and come in again these mappings may be different
- // and cause a crash.
- Status = gBS->UninstallMultipleProtocolInterfaces (gImageHandle,
- &gEfiShellProtocolGuid, Shell,
- &gEfiShellParametersProtocolGuid, ShellParameters,
- NULL);
-
- if (EFI_ERROR (Status) && ShellStatus == SHELL_SUCCESS) {
- ShellStatus = SHELL_DEVICE_ERROR;
- }
-
- return ShellStatus;
-}
-
-
-/**
- This is the command help handler function pointer callback type. This
- function is responsible for displaying help information for the associated
- command.
-
- @param[in] This The instance of the
- EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL.
- @param[in] Language The pointer to the language string to use.
-
- @return string Pool allocated help string, must be freed by
- caller.
-**/
-CHAR16*
-EFIAPI
-ShellDynCmdRunAxfGetHelp (
- IN EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL *This,
- IN CONST CHAR8 *Language
- )
-{
- CHAR16 *HelpText;
-
- ASSERT (gRunAxfHiiHandle != NULL);
-
- // This allocates memory. The caller is responsoible to free.
- HelpText = HiiGetString (gRunAxfHiiHandle, STRING_TOKEN (STR_GET_HELP_RUNAXF),
- Language);
-
- return HelpText;
-}
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