diff options
author | Daisuke Nojiri <dnojiri@chromium.org> | 2014-10-10 10:51:06 -0700 |
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committer | Aaron Durbin <adurbin@chromium.org> | 2015-04-10 16:46:55 +0200 |
commit | 742fc8d768829eaa3ff1048a4b101f7fad8c8ab7 (patch) | |
tree | f69c92a7f9585525a661498c3eb8e9ab1febf1cd /src/vendorcode/google/chromeos/vboot_common.c | |
parent | b952f6b68b025bbb9d13deffd3bd621a236537c7 (diff) | |
download | coreboot-742fc8d768829eaa3ff1048a4b101f7fad8c8ab7.tar.xz |
vboot: move vboot files to designated directory
This moves vboot1 and vboot2 files to their designated directory. Common
code stays in vendorcode/google/chromeos.
BUG=none
BRANCH=none
TEST=built cosmos, veyron_pinky, rush_ryu, nyan_blaze, samus, parrot,
lumpy, daisy_spring, and storm.
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Change-Id: Ia9fb41ba30930b79b222269acfade7ef44b23626
Original-Reviewed-on: https://chromium-review.googlesource.com/222874
Original-Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Commit-Queue: Daisuke Nojiri <dnojiri@chromium.org>
Original-Tested-by: Daisuke Nojiri <dnojiri@chromium.org>
(cherry picked from commit cbfef9ad40776d890e2149b9db788fe0b387d210)
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Change-Id: Ia73696accfd93cc14ca83516fa77f87331faef51
Reviewed-on: http://review.coreboot.org/9433
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/vendorcode/google/chromeos/vboot_common.c')
-rw-r--r-- | src/vendorcode/google/chromeos/vboot_common.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/vendorcode/google/chromeos/vboot_common.c b/src/vendorcode/google/chromeos/vboot_common.c new file mode 100644 index 0000000000..b2893d9fa9 --- /dev/null +++ b/src/vendorcode/google/chromeos/vboot_common.c @@ -0,0 +1,122 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 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 <boot/coreboot_tables.h> +#include <cbfs.h> +#include <cbmem.h> +#include <console/console.h> +#include "chromeos.h" +#include "vboot_common.h" + +void vboot_locate_region(const char *name, struct vboot_region *region) +{ + region->size = find_fmap_entry(name, (void **)®ion->offset_addr); +} + +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 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; +} + +/* This will leak a mapping of a fw region */ +struct vboot_components *vboot_locate_components(struct vboot_region *region) +{ + size_t req_size; + struct vboot_components *vbc; + + req_size = sizeof(*vbc); + req_size += sizeof(struct vboot_component_entry) * + MAX_PARSED_FW_COMPONENTS; + + vbc = vboot_get_region(region->offset_addr, req_size, NULL); + if (vbc && vbc->num_components > MAX_PARSED_FW_COMPONENTS) + vbc = NULL; + + return vbc; +} + +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 payload size is zero fall back to cbfs path. */ + if (fwc->size == 0) + return NULL; + + if (len != NULL) + *len = fwc->size; + + printk(BIOS_DEBUG, "Booting 0x%x byte verified payload at 0x%08x.\n", + fwc->size, fwc->address); + + /* This will leak a mapping. */ + return vboot_get_region(fwc->address, fwc->size, NULL); +} |