diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/OvmfPkg/Csm/Include/Guid/LegacyBios.h | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/OvmfPkg/Csm/Include/Guid/LegacyBios.h')
| -rw-r--r-- | roms/edk2/OvmfPkg/Csm/Include/Guid/LegacyBios.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/roms/edk2/OvmfPkg/Csm/Include/Guid/LegacyBios.h b/roms/edk2/OvmfPkg/Csm/Include/Guid/LegacyBios.h new file mode 100644 index 000000000..e35fbff8d --- /dev/null +++ b/roms/edk2/OvmfPkg/Csm/Include/Guid/LegacyBios.h @@ -0,0 +1,29 @@ +/** @file
+ Defines a Tag GUID used to mark a UEFI legacy BIOS thunk driver based
+ on legacy BIOS services and legacy option ROM. This Tag GUID must be installed on
+ the ImageHandle of any module that follows the EFI Driver Model and uses
+ the Int86() or FarCall() services of the Legacy Bios Protocol to produce
+ a standard UEFI I/O Protocol.
+
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _LEGACY_BIOS_H_
+#define _LEGACY_BIOS_H_
+
+///
+/// The Global ID for the Legacy BIOS GUID that must be installed onto the ImageHandle
+/// of any module follows the EFI Driver Model and uses the Int86() or FarCall()
+/// services of the Legacy BIOS Protocol to produce a standard UEFI I/O Protocol.
+///
+#define EFI_LEGACY_BIOS_GUID \
+ { \
+ 0x2e3044ac, 0x879f, 0x490f, {0x97, 0x60, 0xbb, 0xdf, 0xaf, 0x69, 0x5f, 0x50 } \
+ }
+
+extern EFI_GUID gEfiLegacyBiosGuid;
+
+#endif
|