| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2013 Google, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| #ifndef VBOOT_HANDOFF_H |
| #define VBOOT_HANDOFF_H |
| |
| #include <vboot_api.h> |
| |
| /* |
| * The vboot handoff structure keeps track of a maximum number of firmware |
| * components in the verfieid RW area of flash. This is not a restriction on |
| * the number of components packed in a firmware block. It's only the maximum |
| * number of parsed firmware components (address and size) included in the |
| * handoff structure. |
| */ |
| |
| #define MAX_PARSED_FW_COMPONENTS 5 |
| |
| struct firmware_component { |
| uint32_t address; |
| uint32_t size; |
| } __attribute__((packed)); |
| |
| /* |
| * The vboot_handoff structure contains the data to be consumed by downstream |
| * firmware after firmware selection has been completed. Namely it provides |
| * vboot shared data as well as the flags from VbInit. As noted above a finite |
| * number of components are parsed from the verfieid firmare region. |
| */ |
| struct vboot_handoff { |
| VbInitParams init_params; |
| uint32_t selected_firmware; |
| struct firmware_component components[MAX_PARSED_FW_COMPONENTS]; |
| char shared_data[VB_SHARED_DATA_MIN_SIZE]; |
| } __attribute__((packed)); |
| |
| |
| #endif /* VBOOT_HANDOFF_H */ |
