diff options
Diffstat (limited to 'EmbeddedPkg/Drivers/FdtPlatformDxe/FdtPlatform.c')
| -rw-r--r-- | EmbeddedPkg/Drivers/FdtPlatformDxe/FdtPlatform.c | 506 |
1 files changed, 4 insertions, 502 deletions
diff --git a/EmbeddedPkg/Drivers/FdtPlatformDxe/FdtPlatform.c b/EmbeddedPkg/Drivers/FdtPlatformDxe/FdtPlatform.c index 35a5fbacc2..38f31005f3 100644 --- a/EmbeddedPkg/Drivers/FdtPlatformDxe/FdtPlatform.c +++ b/EmbeddedPkg/Drivers/FdtPlatformDxe/FdtPlatform.c @@ -11,59 +11,18 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
-#include <Uefi.h>
-#include <Library/UefiLib.h>
-#include <Library/DebugLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/UefiRuntimeServicesTableLib.h>
+#include "FdtPlatform.h"
+
#include <Library/PcdLib.h>
#include <Library/DevicePathLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/HiiLib.h>
#include <Library/BdsLib.h>
-#include <Library/ShellLib.h>
-#include <Protocol/DevicePathToText.h>
-#include <Protocol/DevicePathFromText.h>
#include <Protocol/DevicePath.h>
-#include <Protocol/EfiShell.h>
-#include <Protocol/EfiShellDynamicCommand.h>
-
-#include <Guid/Fdt.h>
#include <libfdt.h>
//
-// Internal types
-//
-
-STATIC SHELL_STATUS EFIAPI ShellDynCmdSetFdtHandler (
- IN EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL *This,
- IN EFI_SYSTEM_TABLE *SystemTable,
- IN EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,
- IN EFI_SHELL_PROTOCOL *Shell
- );
-
-STATIC CHAR16* EFIAPI ShellDynCmdSetFdtGetHelp (
- IN EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL *This,
- IN CONST CHAR8 *Language
- );
-
-STATIC VOID DisplayFdtDevicePaths (
- VOID
- );
-
-STATIC SHELL_STATUS UpdateFdtTextDevicePath (
- IN EFI_SHELL_PROTOCOL *Shell,
- IN CONST CHAR16 *FilePath
- );
-
-STATIC SHELL_STATUS EfiCodeToShellCode (
- IN EFI_STATUS Status
- );
-
-//
// Internal variables
//
@@ -77,12 +36,8 @@ STATIC CONST EFI_GUID mFdtPlatformDxeHiiGuid = { 0x8afa7610, 0x62b1, 0x46aa,
{0xb5, 0x34, 0xc3, 0xde, 0xff, 0x39, 0x77, 0x8c}
};
-STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
- {L"-i", TypeFlag },
- {NULL , TypeMax }
-};
-STATIC EFI_HANDLE mFdtPlatformDxeHiiHandle;
+EFI_HANDLE mFdtPlatformDxeHiiHandle;
/**
Install the FDT specified by its device path in text form.
@@ -225,7 +180,7 @@ FdtPlatformEntryPoint ( // Register the strings for the user interface in the HII Database.
// This shows the way to the multi-language support, even if
// only the English language is actually supported. The strings to register
- // are stored in the "FdtPlatformDxeStrings[]" array. This array is
+ // are stored in the "ShellSetFdtStrings[]" array. This array is
// built by the building process from the "*.uni" file associated to
// the present driver (cf. FdtPlatfromDxe.inf). Examine your Build
// folder under your package's DEBUG folder and you will find the array
@@ -285,7 +240,6 @@ FdtPlatformEntryPoint ( @retval EFI_OUT_OF_RESOURCES An allocation failed.
**/
-STATIC
EFI_STATUS
RunFdtInstallation (
OUT CHAR16 **SuccessfullDevicePath
@@ -421,457 +375,6 @@ Done: }
/**
- This is the shell command "setfdt" handler function. 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 UEFI 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 SHELL_SUCCESS The operation was successful.
- @return SHELL_ABORTED Operation aborted due to internal error.
- @return SHELL_INVALID_PARAMETER The parameters of the command are not valid.
- @return SHELL_INVALID_PARAMETER The EFI Shell file path is not valid.
- @return SHELL_NOT_FOUND Failed to locate a protocol or a file.
- @return SHELL_UNSUPPORTED Device path not supported.
- @return SHELL_OUT_OF_RESOURCES A memory allocation failed.
- @return SHELL_DEVICE_ERROR The "Fdt" variable could not be saved due to a hardware failure.
- @return SHELL_ACCESS_DENIED The "Fdt" variable is read-only.
- @return SHELL_ACCESS_DENIED The "Fdt" variable cannot be deleted.
- @return SHELL_ACCESS_DENIED The "Fdt" variable could not be written due to security violation.
-
-**/
-STATIC
-SHELL_STATUS
-EFIAPI
-ShellDynCmdSetFdtHandler (
- IN EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL *This,
- IN EFI_SYSTEM_TABLE *SystemTable,
- IN EFI_SHELL_PARAMETERS_PROTOCOL *ShellParameters,
- IN EFI_SHELL_PROTOCOL *Shell
- )
-{
- SHELL_STATUS ShellStatus;
- EFI_STATUS Status;
- LIST_ENTRY *ParamPackage;
- BOOLEAN FilePath;
- CONST CHAR16 *ValueStr;
- CHAR16 *TextDevicePath;
-
- ShellStatus = SHELL_SUCCESS;
- ParamPackage = NULL;
- FilePath = FALSE;
-
- //
- // Install the Shell and Shell Parameters Protocols on the driver
- // image. This is necessary for the initialisation of the Shell
- // Library to succeed in the next step.
- //
- Status = gBS->InstallMultipleProtocolInterfaces (
- &gImageHandle,
- &gEfiShellProtocolGuid, Shell,
- &gEfiShellParametersProtocolGuid, ShellParameters,
- NULL
- );
- if (EFI_ERROR (Status)) {
- return SHELL_ABORTED;
- }
-
- //
- // Initialise the Shell Library as we are going to use it.
- // Assert that the return code is EFI_SUCCESS as it should.
- // To anticipate any change is the codes returned by
- // ShellInitialize(), leave in case of error.
- //
- Status = ShellInitialize ();
- if (EFI_ERROR (Status)) {
- ASSERT_EFI_ERROR (Status);
- return SHELL_ABORTED;
- }
-
- Status = ShellCommandLineParse (ParamList, &ParamPackage, NULL, TRUE);
- if (!EFI_ERROR (Status)) {
- switch (ShellCommandLineGetCount (ParamPackage)) {
- case 1:
- //
- // Case "setfdt" or "setfdt -i"
- //
- if (!ShellCommandLineGetFlag (ParamPackage, L"-i")) {
- DisplayFdtDevicePaths ();
- }
- break;
-
- case 2:
- //
- // Case "setfdt file_path" or
- // "setfdt -i file_path" or
- // "setfdt file_path -i"
- //
- FilePath = TRUE;
- break;
-
- default:
- Status = EFI_INVALID_PARAMETER;
- }
- }
- if (EFI_ERROR (Status)) {
- ShellStatus = EfiCodeToShellCode (Status);
- ShellPrintHiiEx (
- -1, -1, NULL,
- STRING_TOKEN (STR_SETFDT_ERROR),
- mFdtPlatformDxeHiiHandle,
- Status
- );
- goto Error;
- }
-
- //
- // Update the preferred device path for the FDT if asked for.
- //
- if (FilePath) {
- ValueStr = ShellCommandLineGetRawValue (ParamPackage, 1);
- ShellPrintHiiEx (
- -1, -1, NULL,
- STRING_TOKEN (STR_SETFDT_UPDATING),
- mFdtPlatformDxeHiiHandle
- );
- ShellStatus = UpdateFdtTextDevicePath (Shell, ValueStr);
- if (ShellStatus != SHELL_SUCCESS) {
- goto Error;
- }
- }
-
- //
- // Run the FDT installation process if asked for.
- //
- if (ShellCommandLineGetFlag (ParamPackage, L"-i")) {
- ShellPrintHiiEx (
- -1, -1, NULL,
- STRING_TOKEN (STR_SETFDT_INSTALLING),
- mFdtPlatformDxeHiiHandle
- );
- Status = RunFdtInstallation (&TextDevicePath);
- ShellStatus = EfiCodeToShellCode (Status);
- if (!EFI_ERROR (Status)) {
- ShellPrintHiiEx (
- -1, -1, NULL,
- STRING_TOKEN (STR_SETFDT_INSTALL_SUCCEEDED),
- mFdtPlatformDxeHiiHandle,
- TextDevicePath
- );
- FreePool (TextDevicePath);
- } else {
- if (Status == EFI_INVALID_PARAMETER) {
- ShellPrintHiiEx (
- -1, -1, NULL,
- STRING_TOKEN (STR_SETFDT_INVALID_DEVICE_PATH),
- mFdtPlatformDxeHiiHandle
- );
- } else {
- ShellPrintHiiEx (
- -1, -1, NULL,
- STRING_TOKEN (STR_SETFDT_ERROR),
- mFdtPlatformDxeHiiHandle,
- Status
- );
- }
- DisplayFdtDevicePaths ();
- }
- }
-
-Error:
- gBS->UninstallMultipleProtocolInterfaces (
- gImageHandle,
- &gEfiShellProtocolGuid, Shell,
- &gEfiShellParametersProtocolGuid, ShellParameters,
- NULL
- );
- ShellCommandLineFreeVarList (ParamPackage);
-
- return ShellStatus;
-}
-
-/**
- This is the shell command "setfdt" help handler function. This
- function returns the formatted help for the "setfdt" command.
- The format matchs that in Appendix B of the revision 2.1 of the
- UEFI Shell Specification.
-
- @param[in] This The instance of the EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL.
- @param[in] Language The pointer to the language string to use.
-
- @return CHAR16* Pool allocated help string, must be freed by caller.
-**/
-STATIC
-CHAR16*
-EFIAPI
-ShellDynCmdSetFdtGetHelp (
- IN EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL *This,
- IN CONST CHAR8 *Language
- )
-{
- //
- // This allocates memory. The caller has to free the allocated memory.
- //
- return HiiGetString (
- mFdtPlatformDxeHiiHandle,
- STRING_TOKEN (STR_GET_HELP_SETFDT),
- Language
- );
-}
-
-/**
- Display FDT device paths.
-
- Display in text form the device paths used to install the FDT from the
- highest to the lowest priority.
-
-**/
-STATIC
-VOID
-DisplayFdtDevicePaths (
- VOID
- )
-{
- EFI_STATUS Status;
- UINTN DataSize;
- CHAR16 *TextDevicePath;
- CHAR16 *TextDevicePaths;
- CHAR16 *TextDevicePathSeparator;
-
- ShellPrintHiiEx (
- -1, -1, NULL,
- STRING_TOKEN (STR_SETFDT_DEVICE_PATH_LIST),
- mFdtPlatformDxeHiiHandle
- );
-
- if (FeaturePcdGet (PcdOverridePlatformFdt)) {
- DataSize = 0;
- Status = gRT->GetVariable (
- L"Fdt",
- &gFdtVariableGuid,
- NULL,
- &DataSize,
- NULL
- );
-
- //
- // Keep going only if the "Fdt" variable is defined.
- //
-
- if (Status == EFI_BUFFER_TOO_SMALL) {
- TextDevicePath = AllocatePool (DataSize);
- if (TextDevicePath == NULL) {
- return;
- }
-
- Status = gRT->GetVariable (
- L"Fdt",
- &gFdtVariableGuid,
- NULL,
- &DataSize,
- TextDevicePath
- );
- if (!EFI_ERROR (Status)) {
- ShellPrintHiiEx (
- -1, -1, NULL,
- STRING_TOKEN (STR_SETFDT_DEVICE_PATH),
- mFdtPlatformDxeHiiHandle,
- TextDevicePath
- );
- }
-
- FreePool (TextDevicePath);
- }
- }
-
- //
- // Loop over the device path list provided by "PcdFdtDevicePaths". The device
- // paths are in text form and separated by a semi-colon.
- //
-
- TextDevicePaths = AllocateCopyPool (
- StrSize ((CHAR16*)PcdGetPtr (PcdFdtDevicePaths)),
- (CHAR16*)PcdGetPtr (PcdFdtDevicePaths)
- );
- if (TextDevicePaths == NULL) {
- return;
- }
-
- for (TextDevicePath = TextDevicePaths;
- *TextDevicePath != L'\0' ; ) {
- TextDevicePathSeparator = StrStr (TextDevicePath, L";");
-
- if (TextDevicePathSeparator != NULL) {
- *TextDevicePathSeparator = L'\0';
- }
-
- ShellPrintHiiEx (
- -1, -1, NULL,
- STRING_TOKEN (STR_SETFDT_DEVICE_PATH),
- mFdtPlatformDxeHiiHandle,
- TextDevicePath
- );
-
- if (TextDevicePathSeparator == NULL) {
- break;
- }
- TextDevicePath = TextDevicePathSeparator + 1;
- }
-
- FreePool (TextDevicePaths);
-
-}
-
-/**
- Update the text device path stored in the "Fdt" UEFI variable given
- an EFI Shell file path or a text device path.
-
- This function is a subroutine of the ShellDynCmdSetFdtHandler() function
- to make its code easier to read.
-
- @param[in] Shell The instance of the shell protocol used in the
- context of processing the "setfdt" command.
- @param[in] FilePath EFI Shell path or the device path to the FDT file.
-
- @return SHELL_SUCCESS The text device path was succesfully updated.
- @return SHELL_INVALID_PARAMETER The Shell file path is not valid.
- @return SHELL_OUT_OF_RESOURCES A memory allocation failed.
- @return SHELL_DEVICE_ERROR The "Fdt" variable could not be saved due to a hardware failure.
- @return SHELL_ACCESS_DENIED The "Fdt" variable is read-only.
- @return SHELL_ACCESS_DENIED The "Fdt" variable cannot be deleted.
- @return SHELL_ACCESS_DENIED The "Fdt" variable could not be written due to security violation.
- @return SHELL_NOT_FOUND Device path to text protocol not found.
- @return SHELL_ABORTED Operation aborted.
-
-**/
-STATIC
-SHELL_STATUS
-UpdateFdtTextDevicePath (
- IN EFI_SHELL_PROTOCOL *Shell,
- IN CONST CHAR16 *FilePath
- )
-{
- EFI_STATUS Status;
- EFI_DEVICE_PATH *DevicePath;
- EFI_DEVICE_PATH_TO_TEXT_PROTOCOL *EfiDevicePathToTextProtocol;
- CHAR16 *TextDevicePath;
- CHAR16 *FdtVariableValue;
- EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL *EfiDevicePathFromTextProtocol;
- SHELL_STATUS ShellStatus;
-
- ASSERT (FilePath != NULL);
- DevicePath = NULL;
- TextDevicePath = NULL;
- FdtVariableValue = NULL;
-
- if (*FilePath != L'\0') {
- DevicePath = Shell->GetDevicePathFromFilePath (FilePath);
- if (DevicePath != NULL) {
- Status = gBS->LocateProtocol (
- &gEfiDevicePathToTextProtocolGuid,
- NULL,
- (VOID **)&EfiDevicePathToTextProtocol
- );
- if (EFI_ERROR (Status)) {
- goto Error;
- }
-
- TextDevicePath = EfiDevicePathToTextProtocol->ConvertDevicePathToText (
- DevicePath,
- FALSE,
- FALSE
- );
- if (TextDevicePath == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Error;
- }
- FdtVariableValue = TextDevicePath;
- } else {
- //
- // Try to convert back the EFI Device Path String into a EFI device Path
- // to ensure the format is valid
- //
- Status = gBS->LocateProtocol (
- &gEfiDevicePathFromTextProtocolGuid,
- NULL,
- (VOID **)&EfiDevicePathFromTextProtocol
- );
- if (EFI_ERROR (Status)) {
- goto Error;
- }
-
- DevicePath = EfiDevicePathFromTextProtocol->ConvertTextToDevicePath (
- FilePath
- );
- if (DevicePath == NULL) {
- Status = EFI_INVALID_PARAMETER;
- goto Error;
- }
- FdtVariableValue = (CHAR16*)FilePath;
- }
- }
-
- Status = gRT->SetVariable (
- (CHAR16*)L"Fdt",
- &gFdtVariableGuid,
- EFI_VARIABLE_RUNTIME_ACCESS |
- EFI_VARIABLE_NON_VOLATILE |
- EFI_VARIABLE_BOOTSERVICE_ACCESS ,
- (FdtVariableValue != NULL) ?
- StrSize (FdtVariableValue) : 0,
- FdtVariableValue
- );
-
-Error:
- ShellStatus = EfiCodeToShellCode (Status);
- if (!EFI_ERROR (Status)) {
- if (FdtVariableValue != NULL) {
- ShellPrintHiiEx (
- -1, -1, NULL,
- STRING_TOKEN (STR_SETFDT_UPDATE_SUCCEEDED),
- mFdtPlatformDxeHiiHandle,
- FdtVariableValue
- );
- } else {
- ShellPrintHiiEx (
- -1, -1, NULL,
- STRING_TOKEN (STR_SETFDT_UPDATE_DELETED),
- mFdtPlatformDxeHiiHandle
- );
- }
- } else {
- if (Status == EFI_INVALID_PARAMETER) {
- ShellPrintHiiEx (
- -1, -1, NULL,
- STRING_TOKEN (STR_SETFDT_INVALID_PATH),
- mFdtPlatformDxeHiiHandle,
- FilePath
- );
- } else {
- ShellPrintHiiEx (
- -1, -1, NULL,
- STRING_TOKEN (STR_SETFDT_ERROR),
- mFdtPlatformDxeHiiHandle,
- Status
- );
- }
- }
-
- if (DevicePath != NULL) {
- FreePool (DevicePath);
- }
- if (TextDevicePath != NULL) {
- FreePool (TextDevicePath);
- }
-
- return ShellStatus;
-}
-
-/**
Transcode one of the EFI return code used by the model into an EFI Shell return code.
@param[in] Status EFI return code.
@@ -879,7 +382,6 @@ Error: @return Transcoded EFI Shell return code.
**/
-STATIC
SHELL_STATUS
EfiCodeToShellCode (
IN EFI_STATUS Status
|