diff options
Diffstat (limited to 'roms/edk2/EmulatorPkg/Library/DevicePathTextLib/DevicePathTextLib.c')
| -rw-r--r-- | roms/edk2/EmulatorPkg/Library/DevicePathTextLib/DevicePathTextLib.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/roms/edk2/EmulatorPkg/Library/DevicePathTextLib/DevicePathTextLib.c b/roms/edk2/EmulatorPkg/Library/DevicePathTextLib/DevicePathTextLib.c new file mode 100644 index 000000000..e636207a0 --- /dev/null +++ b/roms/edk2/EmulatorPkg/Library/DevicePathTextLib/DevicePathTextLib.c @@ -0,0 +1,177 @@ +/** @file
+ Null Platform Hook Library instance.
+
+ Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Base.h>
+
+#include <Protocol/EmuThunk.h>
+#include <Protocol/EmuGraphicsWindow.h>
+#include <Protocol/EmuBlockIo.h>
+#include <Protocol/SimpleFileSystem.h>
+#include <Protocol/EmuThread.h>
+
+#include <Library/BaseLib.h>
+#include <Library/DevicePathToTextLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DevicePathLib.h>
+
+
+/**
+ Converts a Vendor device path structure to its string representative.
+
+ @param Str The string representative of input device.
+ @param DevPath The input device path structure.
+ @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
+ of the display node is used, where applicable. If DisplayOnly
+ is FALSE, then the longer text representation of the display node
+ is used.
+ @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
+ representation for a device node can be used, where applicable.
+
+ @return EFI_NOT_FOUND if no string representation exists.
+ @return EFI_SUCCESS a string representation was created.
+**/
+EFI_STATUS
+EFIAPI
+DevPathToTextVendorLib (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath,
+ IN BOOLEAN DisplayOnly,
+ IN BOOLEAN AllowShortcuts
+ )
+{
+ EMU_VENDOR_DEVICE_PATH_NODE *Vendor;
+ CHAR16 *Type;
+
+ Vendor = (EMU_VENDOR_DEVICE_PATH_NODE *)DevPath;
+ if (CompareGuid (&Vendor->VendorDevicePath.Guid, &gEmuThunkProtocolGuid)) {
+ CatPrint (Str, L"EmuThunk()");
+ return EFI_SUCCESS;
+ }
+ if (CompareGuid (&Vendor->VendorDevicePath.Guid, &gEmuGraphicsWindowProtocolGuid)) {
+ CatPrint (Str, L"EmuGraphics(%d)", Vendor->Instance);
+ return EFI_SUCCESS;
+ }
+ if (CompareGuid (&Vendor->VendorDevicePath.Guid, &gEfiSimpleFileSystemProtocolGuid)) {
+ CatPrint (Str, L"EmuFs(%d)", Vendor->Instance);
+ return EFI_SUCCESS;
+ }
+ if (CompareGuid (&Vendor->VendorDevicePath.Guid, &gEmuBlockIoProtocolGuid)) {
+ CatPrint (Str, L"EmuBlk(%d)", Vendor->Instance);
+ return EFI_SUCCESS;
+ }
+ if (CompareGuid (&Vendor->VendorDevicePath.Guid, &gEmuThreadThunkProtocolGuid)) {
+ CatPrint (Str, L"EmuThread()");
+ return EFI_SUCCESS;
+ }
+
+ return EFI_NOT_FOUND;
+}
+
+/**
+ Converts a text device path node to Hardware Vendor device path structure.
+
+ @param TextDeviceNode The input Text device path node.
+
+ @return A pointer to the newly-created Hardware Vendor device path structure.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+DevPathFromTextEmuThunk (
+ IN CHAR16 *TextDeviceNode
+ )
+{
+ CHAR16 *Str;
+ VENDOR_DEVICE_PATH *Vendor;
+
+ Str = GetNextParamStr (&TextDeviceNode);
+ Vendor = (VENDOR_DEVICE_PATH *) CreateDeviceNode (
+ HARDWARE_DEVICE_PATH,
+ HW_VENDOR_DP,
+ (UINT16) sizeof (VENDOR_DEVICE_PATH)
+ );
+ CopyGuid (&Vendor->Guid, &gEmuThunkProtocolGuid);
+ return (EFI_DEVICE_PATH_PROTOCOL *) Vendor;
+}
+
+/**
+ Converts a text device path node to Hardware Vendor device path structure.
+
+ @param TextDeviceNode The input Text device path node.
+
+ @return A pointer to the newly-created Hardware Vendor device path structure.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+DevPathFromTextEmuThread (
+ IN CHAR16 *TextDeviceNode
+ )
+{
+ CHAR16 *Str;
+ VENDOR_DEVICE_PATH *Vendor;
+
+ Str = GetNextParamStr (&TextDeviceNode);
+ Vendor = (VENDOR_DEVICE_PATH *) CreateDeviceNode (
+ HARDWARE_DEVICE_PATH,
+ HW_VENDOR_DP,
+ (UINT16) sizeof (VENDOR_DEVICE_PATH)
+ );
+ CopyGuid (&Vendor->Guid, &gEmuThreadThunkProtocolGuid);
+ return (EFI_DEVICE_PATH_PROTOCOL *) Vendor;
+}
+
+/**
+ Converts a text device path node to Hardware Vendor device path structure.
+
+ @param TextDeviceNode The input Text device path node.
+
+ @return A pointer to the newly-created Hardware Vendor device path structure.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+DevPathFromTextEmuFs (
+ IN CHAR16 *TextDeviceNode
+ )
+{
+ CHAR16 *Str;
+ EMU_VENDOR_DEVICE_PATH_NODE *Vendor;
+
+ Str = GetNextParamStr (&TextDeviceNode);
+ Vendor = (EMU_VENDOR_DEVICE_PATH_NODE *) CreateDeviceNode (
+ HARDWARE_DEVICE_PATH,
+ HW_VENDOR_DP,
+ (UINT16) sizeof (EMU_VENDOR_DEVICE_PATH_NODE)
+ );
+ CopyGuid (&Vendor->VendorDevicePath.Guid, &gEfiSimpleFileSystemProtocolGuid);
+ Vendor->Instance = (UINT32) StrDecimalToUintn (Str);
+
+ return (EFI_DEVICE_PATH_PROTOCOL *) Vendor;
+}
+
+/**
+ Register the Filter function
+
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The constructor executed correctly.
+
+**/
+EFI_STATUS
+EFIAPI
+DevicePathToTextLibConstructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+
+{
+ DevPathToTextSetVendorDevicePathFilter (DevPathToTextVendorLib);
+ DevicePathFromTextAddFilter (L"EmuThunk", DevPathFromTextEmuThunk);
+ DevicePathFromTextAddFilter (L"EmuThread", DevPathFromTextEmuThread);
+ DevicePathFromTextAddFilter (L"EmuFs", DevPathFromTextEmuFs);
+ return EFI_SUCCESS;
+}
|