| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. |
| * |
| * 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 |
| */ |
| |
| #include "chromeos.h" |
| #if CONFIG_VBOOT_VERIFY_FIRMWARE |
| #include "vboot_handoff.h" |
| #endif |
| #include <arch/coreboot_tables.h> |
| #include <cbmem.h> |
| #include <console/console.h> |
| |
| int developer_mode_enabled(void) |
| { |
| return get_developer_mode_switch(); |
| } |
| |
| int recovery_mode_enabled(void) |
| { |
| /* TODO(reinauer): get information from VbInit. |
| * the recovery mode switch is not the only reason to go |
| * to recovery mode. |
| */ |
| return get_recovery_mode_switch() || get_recovery_mode_from_vbnv(); |
| } |
| |
| #if CONFIG_VBOOT_VERIFY_FIRMWARE |
| void *vboot_get_payload(int *len) |
| { |
| struct vboot_handoff *vboot_handoff; |
| struct firmware_component *fwc; |
| |
| vboot_handoff = cbmem_find(CBMEM_ID_VBOOT_HANDOFF); |
| |
| if (vboot_handoff == NULL) |
| return NULL; |
| |
| if (CONFIG_VBOOT_BOOT_LOADER_INDEX >= MAX_PARSED_FW_COMPONENTS) { |
| printk(BIOS_ERR, "Invalid boot loader index: %d\n", |
| CONFIG_VBOOT_BOOT_LOADER_INDEX); |
| return NULL; |
| } |
| |
| fwc = &vboot_handoff->components[CONFIG_VBOOT_BOOT_LOADER_INDEX]; |
| |
| if (len != NULL) |
| *len = fwc->size; |
| |
| printk(BIOS_DEBUG, "Booting 0x%x byte payload at 0x%08x.\n", |
| fwc->size, fwc->address); |
| |
| return (void *)fwc->address; |
| } |
| |
| int vboot_get_handoff_info(void **addr, uint32_t *size) |
| { |
| struct vboot_handoff *vboot_handoff; |
| |
| vboot_handoff = cbmem_find(CBMEM_ID_VBOOT_HANDOFF); |
| |
| if (vboot_handoff == NULL) |
| return -1; |
| |
| *addr = vboot_handoff; |
| *size = sizeof(*vboot_handoff); |
| return 0; |
| } |
| #endif |