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[efi] Add definitions for the UEFI shim lock protocol

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The UEFI shim includes a "shim lock protocol" that can be used by a
third party second stage loader such as GRUB to verify a kernel image.

Add definitions for the relevant portions of this protocol interface.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2023-05-22 14:07:26 +01:00
parent ce2200d5fb
commit 3c214f0465
4 changed files with 39 additions and 0 deletions
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31
src/include/ipxe/efi/Protocol/ShimLock.h Normal file
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@@ -0,0 +1,31 @@
#ifndef _IPXE_EFI_SHIM_LOCK_PROTOCOL_H
#define _IPXE_EFI_SHIM_LOCK_PROTOCOL_H
/** @file
*
* EFI "shim lock" protocol
*
*/
FILE_LICENCE ( BSD3 );
#define EFI_SHIM_LOCK_PROTOCOL_GUID \
{ 0x605dab50, 0xe046, 0x4300, \
{ 0xab, 0xb6, 0x3d, 0xd8, 0x10, 0xdd, 0x8b, 0x23 } }
#define SHIMAPI __asmcall
typedef
EFI_STATUS SHIMAPI
(*EFI_SHIM_LOCK_VERIFY) (
IN VOID *buffer,
IN UINT32 size
);
typedef struct _EFI_SHIM_LOCK_PROTOCOL {
EFI_SHIM_LOCK_VERIFY Verify;
VOID *Reserved1;
VOID *Reserved2;
} EFI_SHIM_LOCK_PROTOCOL;
#endif /*_IPXE_EFI_SHIM_LOCK_PROTOCOL_H */

1
src/include/ipxe/efi/efi.h
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@@ -197,6 +197,7 @@ extern EFI_GUID efi_pci_io_protocol_guid;
extern EFI_GUID efi_pci_root_bridge_io_protocol_guid;
extern EFI_GUID efi_pxe_base_code_protocol_guid;
extern EFI_GUID efi_serial_io_protocol_guid;
extern EFI_GUID efi_shim_lock_protocol_guid;
extern EFI_GUID efi_simple_file_system_protocol_guid;
extern EFI_GUID efi_simple_network_protocol_guid;
extern EFI_GUID efi_simple_pointer_protocol_guid;