diff options
Diffstat (limited to 'src/vendorcode/google/chromeos')
| -rw-r--r-- | src/vendorcode/google/chromeos/vboot_helper.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/src/vendorcode/google/chromeos/vboot_helper.c b/src/vendorcode/google/chromeos/vboot_helper.c deleted file mode 100644 index be1f296ff7..0000000000 --- a/src/vendorcode/google/chromeos/vboot_helper.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * 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 <stddef.h> -#include <string.h> -#include "chromeos.h" -#include <boot/coreboot_tables.h> -#include <cbfs.h> -#include <cbmem.h> -#include <console/console.h> -#include <program_loading.h> -#include "vboot_handoff.h" - -int vboot_enable_developer(void) -{ - struct vboot_handoff *vbho; - - vbho = cbmem_find(CBMEM_ID_VBOOT_HANDOFF); - - if (vbho == NULL) { - printk(BIOS_ERR, "%s: Couldn't find vboot_handoff structure!\n", - __func__); - return 0; - } - - return !!(vbho->init_params.out_flags & VB_INIT_OUT_ENABLE_DEVELOPER); -} - -int vboot_enable_recovery(void) -{ - struct vboot_handoff *vbho; - - vbho = cbmem_find(CBMEM_ID_VBOOT_HANDOFF); - - if (vbho == NULL) - return 0; - - return !!(vbho->init_params.out_flags & VB_INIT_OUT_ENABLE_RECOVERY); -} - -int __attribute__((weak)) clear_recovery_mode_switch(void) -{ - // Can be implemented by a mainboard - return 0; -} - -int vboot_skip_display_init(void) -{ - struct vboot_handoff *vbho; - - vbho = cbmem_find(CBMEM_ID_VBOOT_HANDOFF); - - if (vbho == NULL) - return 0; - - return !(vbho->init_params.out_flags & VB_INIT_OUT_ENABLE_DISPLAY); -} - -void *vboot_get_region(uintptr_t offset_addr, size_t size, void *dest) -{ - if (IS_ENABLED(CONFIG_SPI_FLASH_MEMORY_MAPPED)) { - if (dest != NULL) - return memcpy(dest, (void *)offset_addr, size); - else - return (void *)offset_addr; - } else { - struct cbfs_media default_media, *media = &default_media; - void *cache; - - init_default_cbfs_media(media); - media->open(media); - if (dest != NULL) { - cache = dest; - if (media->read(media, dest, offset_addr, size) != size) - cache = NULL; - } else { - cache = media->map(media, offset_addr, size); - if (cache == CBFS_MEDIA_INVALID_MAP_ADDRESS) - cache = NULL; - } - media->close(media); - return cache; - } -} - -int __attribute((weak)) vboot_get_sw_write_protect(void) -{ - // Can be implemented by a platform / mainboard - return 0; -} - -static void *vboot_get_payload(size_t *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; -} - -static int vboot_locate_payload(struct payload *payload) -{ - void *buffer; - size_t size; - - buffer = vboot_get_payload(&size); - - if (buffer == NULL) - return -1; - - payload->backing_store.data = buffer; - payload->backing_store.size = size; - - return 0; -} - -const struct payload_loader_ops vboot_payload_loader = { - .name = "VBOOT", - .locate = vboot_locate_payload, -}; - -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; -} |