libpayload: Implement new CBFS access API
This commit adds new CBFS API, which is based on the one available in the main coreboot source tree. Libpayload implementation supports RO/RW file lookups and file contents verification. Change-Id: I00da0658dbac0cddf92ad55611def947932d23c7 Signed-off-by: Jakub Czapiga <jacz@semihalf.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/59497 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
parent
1fa3da4d9b
commit
63e54275f6
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@ -208,11 +208,7 @@ config PDCURSES
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endchoice
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config CBFS
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bool "CBFS support"
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default y
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help
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CBFS is the archive format of coreboot
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source "libcbfs/Kconfig"
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config LZMA
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bool "LZMA decoder"
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@ -62,6 +62,7 @@ subdirs-$(CONFIG_LP_VBOOT_LIB) += vboot
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INCLUDES := -Iinclude -Iinclude/$(ARCHDIR-y) -I$(obj)
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INCLUDES += -include include/kconfig.h -include include/compiler.h
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INCLUDES += -I$(coreboottop)/src/commonlib/bsd/include
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INCLUDES += -I$(coreboottop)/3rdparty/vboot/firmware/include
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CFLAGS += $(INCLUDES) -Os -pipe -nostdinc -ggdb3
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CFLAGS += -nostdlib -fno-builtin -ffreestanding -fomit-frame-pointer
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@ -1,82 +1,124 @@
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/*
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*
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* Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net>
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* Copyright (C) 2013 Google, Inc.
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*
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* This file is dual-licensed. You can choose between:
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* - The GNU GPL, version 2, as published by the Free Software Foundation
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* - The revised BSD license (without advertising clause)
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*
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* ---------------------------------------------------------------------------
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* ---------------------------------------------------------------------------
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ---------------------------------------------------------------------------
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*/
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/* SPDX-License-Identifier: BSD-3-Clause */
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#ifndef _CBFS_H_
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#define _CBFS_H_
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#include <cbfs_core.h>
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#include <commonlib/bsd/cb_err.h>
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#include <commonlib/bsd/cbfs_mdata.h>
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#include <endian.h>
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#include <stdbool.h>
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/* legacy APIs */
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const struct cbfs_header *get_cbfs_header(void);
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struct cbfs_file *cbfs_find(const char *name);
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void *cbfs_find_file(const char *name, int type);
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int cbfs_execute_stage(struct cbfs_media *media, const char *name);
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void *cbfs_load_optionrom(struct cbfs_media *media, uint16_t vendor,
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uint16_t device);
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void *cbfs_load_payload(struct cbfs_media *media, const char *name);
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void *cbfs_load_stage(struct cbfs_media *media, const char *name);
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/**********************************************************************************************
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* CBFS FILE ACCESS APIs *
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**********************************************************************************************/
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/* Simple buffer for streaming media. */
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struct cbfs_simple_buffer {
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char *buffer;
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size_t allocated;
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size_t size;
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size_t last_allocate;
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};
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/* For documentation look in src/include/cbfs.h file in the main coreboot source tree. */
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void *cbfs_simple_buffer_map(struct cbfs_simple_buffer *buffer,
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struct cbfs_media *media,
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size_t offset, size_t count);
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static inline size_t cbfs_load(const char *name, void *buf, size_t size);
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static inline size_t cbfs_ro_load(const char *name, void *buf, size_t size);
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void *cbfs_simple_buffer_unmap(struct cbfs_simple_buffer *buffer,
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const void *address);
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static inline void *cbfs_map(const char *name, size_t *size_out);
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static inline void *cbfs_ro_map(const char *name, size_t *size_out);
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// Utility functions
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int run_address(void *f);
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void cbfs_unmap(void *mapping);
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/* Defined in individual arch / board implementation. */
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int init_default_cbfs_media(struct cbfs_media *media);
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static inline size_t cbfs_get_size(const char *name);
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static inline size_t cbfs_ro_get_size(const char *name);
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static inline enum cbfs_type cbfs_get_type(const char *name);
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static inline enum cbfs_type cbfs_ro_get_type(const char *name);
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static inline bool cbfs_file_exists(const char *name);
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static inline bool cbfs_ro_file_exists(const char *name);
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/**********************************************************************************************
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* INTERNAL HELPERS FOR INLINES, DO NOT USE. *
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**********************************************************************************************/
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ssize_t _cbfs_boot_lookup(const char *name, bool force_ro, union cbfs_mdata *mdata);
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void *_cbfs_load(const char *name, void *buf, size_t *size_inout, bool force_ro);
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/**********************************************************************************************
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* INLINE IMPLEMENTATIONS *
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**********************************************************************************************/
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static inline void *cbfs_map(const char *name, size_t *size_out)
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{
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return _cbfs_load(name, NULL, size_out, false);
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}
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static inline void *cbfs_ro_map(const char *name, size_t *size_out)
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{
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return _cbfs_load(name, NULL, size_out, true);
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}
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static inline size_t cbfs_load(const char *name, void *buf, size_t size)
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{
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if (_cbfs_load(name, buf, &size, false))
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return size;
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else
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return 0;
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}
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static inline size_t cbfs_ro_load(const char *name, void *buf, size_t size)
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{
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if (_cbfs_load(name, buf, &size, true))
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return size;
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else
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return 0;
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}
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static inline size_t cbfs_get_size(const char *name)
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{
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union cbfs_mdata mdata;
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if (_cbfs_boot_lookup(name, false, &mdata) < 0)
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return 0;
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else
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return be32toh(mdata.h.len);
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}
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static inline size_t cbfs_ro_get_size(const char *name)
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{
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union cbfs_mdata mdata;
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if (_cbfs_boot_lookup(name, true, &mdata) < 0)
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return 0;
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else
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return be32toh(mdata.h.len);
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}
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static inline enum cbfs_type cbfs_get_type(const char *name)
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{
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union cbfs_mdata mdata;
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if (_cbfs_boot_lookup(name, false, &mdata) < 0)
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return CBFS_TYPE_NULL;
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else
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return be32toh(mdata.h.type);
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}
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static inline enum cbfs_type cbfs_ro_get_type(const char *name)
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{
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union cbfs_mdata mdata;
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if (_cbfs_boot_lookup(name, true, &mdata) < 0)
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return CBFS_TYPE_NULL;
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else
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return be32toh(mdata.h.type);
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}
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static inline bool cbfs_file_exists(const char *name)
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{
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union cbfs_mdata mdata;
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return _cbfs_boot_lookup(name, false, &mdata) >= 0;
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}
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static inline bool cbfs_ro_file_exists(const char *name)
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{
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union cbfs_mdata mdata;
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return _cbfs_boot_lookup(name, true, &mdata) >= 0;
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}
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/* Legacy API. Designated for removal in the future. */
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#include <cbfs_legacy.h>
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#endif
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@ -45,139 +45,14 @@
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#ifndef _CBFS_CORE_H_
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#define _CBFS_CORE_H_
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#include <commonlib/bsd/cbfs_serialized.h>
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#include <endian.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdlib.h>
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/** These are standard values for the known compression
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alogrithms that coreboot knows about for stages and
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payloads. Of course, other CBFS users can use whatever
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values they want, as long as they understand them. */
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#define CBFS_COMPRESS_NONE 0
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#define CBFS_COMPRESS_LZMA 1
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#define CBFS_COMPRESS_LZ4 2
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/** These are standard component types for well known
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components (i.e - those that coreboot needs to consume.
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Users are welcome to use any other value for their
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components */
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#define CBFS_TYPE_STAGE 0x10
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#define CBFS_TYPE_SELF 0x20
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#define CBFS_TYPE_FIT 0x21
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#define CBFS_TYPE_OPTIONROM 0x30
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#define CBFS_TYPE_BOOTSPLASH 0x40
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#define CBFS_TYPE_RAW 0x50
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#define CBFS_TYPE_VSA 0x51
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#define CBFS_TYPE_MBI 0x52
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#define CBFS_TYPE_MICROCODE 0x53
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#define CBFS_TYPE_STRUCT 0x70
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#define CBFS_COMPONENT_CMOS_DEFAULT 0xaa
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#define CBFS_COMPONENT_CMOS_LAYOUT 0x01aa
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#define CBFS_HEADER_MAGIC 0x4F524243
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#define CBFS_HEADER_VERSION1 0x31313131
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#define CBFS_HEADER_VERSION2 0x31313132
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#define CBFS_HEADER_VERSION CBFS_HEADER_VERSION2
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#define CBFS_HEADER_INVALID_ADDRESS ((void*)(0xffffffff))
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/* this is the master cbfs header - it must be located somewhere available
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* to bootblock (to load romstage). The last 4 bytes in the image contain its
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* relative offset from the end of the image (as a 32-bit signed integer). */
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struct cbfs_header {
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uint32_t magic;
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uint32_t version;
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uint32_t romsize;
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uint32_t bootblocksize;
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uint32_t align; /* fixed to 64 bytes */
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uint32_t offset;
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uint32_t architecture;
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uint32_t pad[1];
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} __packed;
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/* this used to be flexible, but wasn't ever set to something different. */
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#define CBFS_ALIGNMENT 64
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/* "Unknown" refers to CBFS headers version 1,
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* before the architecture was defined (i.e., x86 only).
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*/
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#define CBFS_ARCHITECTURE_UNKNOWN 0xFFFFFFFF
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#define CBFS_ARCHITECTURE_X86 0x00000001
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#define CBFS_ARCHITECTURE_ARM 0x00000010
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#define CBFS_ARCHITECTURE_ARM64 0x00000011
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/** This is a component header - every entry in the CBFS
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will have this header.
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This is how the component is arranged in the ROM:
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-------------- <- 0
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component header
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-------------- <- sizeof(struct component)
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component name
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-------------- <- offset
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data
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...
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-------------- <- offset + len
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*/
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#define CBFS_FILE_MAGIC "LARCHIVE"
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struct cbfs_file {
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char magic[8];
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uint32_t len;
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uint32_t type;
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uint32_t attributes_offset;
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uint32_t offset;
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char filename[];
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} __packed;
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/* Depending on how the header was initialized, it may be backed with 0x00 or
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* 0xff. Support both. */
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#define CBFS_FILE_ATTR_TAG_UNUSED 0
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#define CBFS_FILE_ATTR_TAG_UNUSED2 0xffffffff
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#define CBFS_FILE_ATTR_TAG_COMPRESSION 0x42435a4c
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#define CBFS_FILE_ATTR_TAG_HASH 0x68736148
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#define CBFS_FILE_ATTR_TAG_IBB 0x32494242 /* Initial BootBlock */
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/* The common fields of extended cbfs file attributes.
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Attributes are expected to start with tag/len, then append their
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specific fields. */
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struct cbfs_file_attribute {
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uint32_t tag;
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/* len covers the whole structure, incl. tag and len */
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uint32_t len;
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uint8_t data[0];
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} __packed;
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struct cbfs_file_attr_compression {
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uint32_t tag;
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uint32_t len;
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/* whole file compression format. 0 if no compression. */
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uint32_t compression;
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uint32_t decompressed_size;
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} __packed;
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struct cbfs_file_attr_hash {
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uint32_t tag;
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uint32_t len;
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uint32_t hash_type;
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/* hash_data is len - sizeof(struct) bytes */
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uint8_t hash_data[];
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} __packed;
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/*** Component sub-headers ***/
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/* Following are component sub-headers for the "standard"
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component types */
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/** This is the sub-header for stage components. Stages are
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loaded by coreboot during the normal boot process */
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struct cbfs_stage {
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uint32_t compression; /** Compression type */
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uint64_t entry; /** entry point */
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@ -186,33 +61,6 @@ struct cbfs_stage {
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uint32_t memlen; /** total length of object in memory */
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} __packed;
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/** this is the sub-header for payload components. Payloads
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are loaded by coreboot at the end of the boot process */
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struct cbfs_payload_segment {
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uint32_t type;
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uint32_t compression;
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uint32_t offset;
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uint64_t load_addr;
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uint32_t len;
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uint32_t mem_len;
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} __packed;
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struct cbfs_payload {
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struct cbfs_payload_segment segments;
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};
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#define PAYLOAD_SEGMENT_CODE 0x45444F43
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#define PAYLOAD_SEGMENT_DATA 0x41544144
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#define PAYLOAD_SEGMENT_BSS 0x20535342
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#define PAYLOAD_SEGMENT_PARAMS 0x41524150
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#define PAYLOAD_SEGMENT_ENTRY 0x52544E45
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struct cbfs_optionrom {
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uint32_t compression;
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uint32_t len;
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} __packed;
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#define CBFS_MEDIA_INVALID_MAP_ADDRESS ((void*)(0xffffffff))
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#define CBFS_DEFAULT_MEDIA ((void*)(0x0))
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@ -0,0 +1,46 @@
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/* SPDX-License-Identifier: BSD-3-Clause */
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#ifndef _CBFS_CBFS_GLUE_H
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#define _CBFS_CBFS_GLUE_H
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#include <libpayload-config.h>
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#include <boot_device.h>
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#include <stdio.h>
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#define CBFS_ENABLE_HASHING CONFIG(LP_CBFS_VERIFICATION)
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#define ERROR(...) printf("CBFS ERROR: " __VA_ARGS__)
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#define LOG(...) printf("CBFS: " __VA_ARGS__)
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#define DEBUG(...) \
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do { \
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if (CONFIG(LP_DEBUG_CBFS)) \
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printf("CBFS DEBUG: " __VA_ARGS__); \
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} while (0)
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struct cbfs_dev {
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size_t offset;
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size_t size;
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};
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struct cbfs_boot_device {
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struct cbfs_dev dev;
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void *mcache;
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size_t mcache_size;
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};
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typedef const struct cbfs_dev *cbfs_dev_t;
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static inline ssize_t cbfs_dev_read(cbfs_dev_t dev, void *buffer, size_t offset, size_t size)
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{
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if (offset + size < offset || offset + size > dev->size)
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return CB_ERR_ARG;
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return boot_device_read(buffer, dev->offset + offset, size);
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}
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static inline size_t cbfs_dev_size(cbfs_dev_t dev)
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{
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return dev->size;
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}
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#endif /* _CBFS_CBFS_GLUE_H */
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@ -0,0 +1,83 @@
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/*
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*
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* Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net>
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* Copyright (C) 2013 Google, Inc.
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||||
*
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||||
* This file is dual-licensed. You can choose between:
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||||
* - The GNU GPL, version 2, as published by the Free Software Foundation
|
||||
* - The revised BSD license (without advertising clause)
|
||||
*
|
||||
* ---------------------------------------------------------------------------
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||||
* 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.
|
||||
*
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* 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.
|
||||
* ---------------------------------------------------------------------------
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
* ---------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
#ifndef _CBFS_LEGACY_H_
|
||||
#define _CBFS_LEGACY_H_
|
||||
|
||||
#include <cbfs_core.h>
|
||||
#include <libpayload.h>
|
||||
|
||||
/* legacy APIs */
|
||||
const struct cbfs_header *get_cbfs_header(void);
|
||||
struct cbfs_file *cbfs_find(const char *name);
|
||||
void *cbfs_find_file(const char *name, int type);
|
||||
|
||||
int cbfs_execute_stage(struct cbfs_media *media, const char *name);
|
||||
void *cbfs_load_optionrom(struct cbfs_media *media, uint16_t vendor,
|
||||
uint16_t device);
|
||||
void *cbfs_load_payload(struct cbfs_media *media, const char *name);
|
||||
void *cbfs_load_stage(struct cbfs_media *media, const char *name);
|
||||
|
||||
/* Simple buffer for streaming media. */
|
||||
struct cbfs_simple_buffer {
|
||||
char *buffer;
|
||||
size_t allocated;
|
||||
size_t size;
|
||||
size_t last_allocate;
|
||||
};
|
||||
|
||||
void *cbfs_simple_buffer_map(struct cbfs_simple_buffer *buffer,
|
||||
struct cbfs_media *media,
|
||||
size_t offset, size_t count);
|
||||
|
||||
void *cbfs_simple_buffer_unmap(struct cbfs_simple_buffer *buffer,
|
||||
const void *address);
|
||||
|
||||
// Utility functions
|
||||
int run_address(void *f);
|
||||
|
||||
/* Defined in individual arch / board implementation. */
|
||||
int init_default_cbfs_media(struct cbfs_media *media);
|
||||
|
||||
#endif
|
|
@ -0,0 +1,31 @@
|
|||
## SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later
|
||||
|
||||
config CBFS
|
||||
bool "CBFS support"
|
||||
default y
|
||||
help
|
||||
CBFS is the archive format of coreboot
|
||||
|
||||
if CBFS
|
||||
|
||||
config DEBUG_CBFS
|
||||
bool "Output verbose CBFS debug messages"
|
||||
default n
|
||||
help
|
||||
This option enables additional CBFS related debug messages.
|
||||
|
||||
config ENABLE_CBFS_FALLBACK
|
||||
bool "Fallback to RO (COREBOOT) region"
|
||||
default n
|
||||
help
|
||||
When this option is enabled, the CBFS code will look for a file in the
|
||||
RO (COREBOOT) region, if it isn't available in the active RW region.
|
||||
This option makes sense only if CONFIG_VBOOT was enabled in the coreboot.
|
||||
|
||||
config CBFS_VERIFICATION
|
||||
bool "Enable CBFS verification"
|
||||
depends on VBOOT
|
||||
help
|
||||
This option enables hash verification of CBFS files in RO (COREBOOT) and RW regions.
|
||||
|
||||
endif
|
|
@ -28,3 +28,9 @@
|
|||
|
||||
libcbfs-$(CONFIG_LP_CBFS) += cbfs.c
|
||||
libcbfs-$(CONFIG_LP_CBFS) += ram_media.c
|
||||
libcbfs-$(CONFIG_LP_CBFS) += cbfs_legacy.c
|
||||
|
||||
ifeq ($(CONFIG_LP_CBFS),y)
|
||||
libcbfs-srcs += $(coreboottop)/src/commonlib/bsd/cbfs_private.c
|
||||
libcbfs-srcs += $(coreboottop)/src/commonlib/bsd/cbfs_mcache.c
|
||||
endif
|
||||
|
|
|
@ -1,243 +1,198 @@
|
|||
/*
|
||||
*
|
||||
* Copyright (C) 2011 secunet Security Networks AG
|
||||
* Copyright (C) 2013 Google, Inc.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
#define LIBPAYLOAD
|
||||
|
||||
#ifdef LIBPAYLOAD
|
||||
# include <libpayload-config.h>
|
||||
# if CONFIG(LP_LZMA)
|
||||
# include <lzma.h>
|
||||
# define CBFS_CORE_WITH_LZMA
|
||||
# endif
|
||||
# if CONFIG(LP_LZ4)
|
||||
# include <lz4.h>
|
||||
# define CBFS_CORE_WITH_LZ4
|
||||
# endif
|
||||
# define CBFS_MINI_BUILD
|
||||
#elif defined(__SMM__)
|
||||
# define CBFS_MINI_BUILD
|
||||
#else
|
||||
# define CBFS_CORE_WITH_LZMA
|
||||
# define CBFS_CORE_WITH_LZ4
|
||||
# include <lib.h>
|
||||
#endif
|
||||
/* SPDX-License-Identifier: BSD-3-Clause */
|
||||
|
||||
#include <libpayload-config.h>
|
||||
#include <arch/virtual.h>
|
||||
#include <assert.h>
|
||||
#include <cbfs.h>
|
||||
#include <commonlib/bsd/cbfs_private.h>
|
||||
#include <commonlib/bsd/fmap_serialized.h>
|
||||
#include <libpayload.h>
|
||||
#include <lz4.h>
|
||||
#include <lzma.h>
|
||||
#include <string.h>
|
||||
#include <sysinfo.h>
|
||||
|
||||
#ifdef LIBPAYLOAD
|
||||
# include <stdio.h>
|
||||
# define DEBUG(x...)
|
||||
# define LOG(x...)
|
||||
# define ERROR(x...) printf(x)
|
||||
#else
|
||||
# include <console/console.h>
|
||||
# define ERROR(x...) printk(BIOS_ERR, "CBFS: " x)
|
||||
# define LOG(x...) printk(BIOS_INFO, "CBFS: " x)
|
||||
# if CONFIG_LP_DEBUG_CBFS
|
||||
# define DEBUG(x...) printk(BIOS_SPEW, "CBFS: " x)
|
||||
# else
|
||||
# define DEBUG(x...)
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#include "cbfs_core.c"
|
||||
|
||||
#ifndef __SMM__
|
||||
static inline int tohex4(unsigned int c)
|
||||
static const struct cbfs_boot_device *cbfs_get_boot_device(bool force_ro)
|
||||
{
|
||||
return (c <= 9) ? (c + '0') : (c - 10 + 'a');
|
||||
static struct cbfs_boot_device ro;
|
||||
static struct cbfs_boot_device rw;
|
||||
|
||||
if (!force_ro) {
|
||||
if (!rw.dev.size) {
|
||||
rw.dev.offset = lib_sysinfo.cbfs_offset;
|
||||
rw.dev.size = lib_sysinfo.cbfs_size;
|
||||
rw.mcache = phys_to_virt(lib_sysinfo.cbfs_rw_mcache_offset);
|
||||
rw.mcache_size = lib_sysinfo.cbfs_rw_mcache_size;
|
||||
}
|
||||
return &rw;
|
||||
}
|
||||
|
||||
if (ro.dev.size)
|
||||
return &ro;
|
||||
|
||||
if (fmap_locate_area("COREBOOT", &ro.dev.offset, &ro.dev.size))
|
||||
return NULL;
|
||||
|
||||
ro.mcache = phys_to_virt(lib_sysinfo.cbfs_ro_mcache_offset);
|
||||
ro.mcache_size = lib_sysinfo.cbfs_ro_mcache_size;
|
||||
|
||||
return &ro;
|
||||
}
|
||||
|
||||
static void tohex16(unsigned int val, char* dest)
|
||||
ssize_t _cbfs_boot_lookup(const char *name, bool force_ro, union cbfs_mdata *mdata)
|
||||
{
|
||||
dest[0] = tohex4(val>>12);
|
||||
dest[1] = tohex4((val>>8) & 0xf);
|
||||
dest[2] = tohex4((val>>4) & 0xf);
|
||||
dest[3] = tohex4(val & 0xf);
|
||||
const struct cbfs_boot_device *cbd = cbfs_get_boot_device(force_ro);
|
||||
if (!cbd)
|
||||
return CB_ERR;
|
||||
|
||||
size_t data_offset;
|
||||
cb_err_t err = CB_CBFS_CACHE_FULL;
|
||||
if (cbd->mcache_size)
|
||||
err = cbfs_mcache_lookup(cbd->mcache, cbd->mcache_size, name, mdata,
|
||||
&data_offset);
|
||||
|
||||
if (err == CB_CBFS_CACHE_FULL)
|
||||
err = cbfs_lookup(&cbd->dev, name, mdata, &data_offset, NULL);
|
||||
|
||||
/* Fallback to RO if possible. */
|
||||
if (CONFIG(LP_ENABLE_CBFS_FALLBACK) && !force_ro && err == CB_CBFS_NOT_FOUND) {
|
||||
LOG("Fall back to RO region for '%s'\n", name);
|
||||
return _cbfs_boot_lookup(name, true, mdata);
|
||||
}
|
||||
|
||||
if (err) {
|
||||
if (err == CB_CBFS_NOT_FOUND)
|
||||
LOG("'%s' not found.\n", name);
|
||||
else
|
||||
ERROR("Error %d when looking up '%s'\n", err, name);
|
||||
return err;
|
||||
}
|
||||
|
||||
return cbd->dev.offset + data_offset;
|
||||
}
|
||||
|
||||
void *cbfs_load_optionrom(struct cbfs_media *media, uint16_t vendor,
|
||||
uint16_t device)
|
||||
void cbfs_unmap(void *mapping)
|
||||
{
|
||||
char name[17] = "pciXXXX,XXXX.rom";
|
||||
|
||||
tohex16(vendor, name+3);
|
||||
tohex16(device, name+8);
|
||||
|
||||
return cbfs_get_file_content(media, name, CBFS_TYPE_OPTIONROM, NULL);
|
||||
free(mapping);
|
||||
}
|
||||
|
||||
void * cbfs_load_stage(struct cbfs_media *media, const char *name)
|
||||
static bool cbfs_file_hash_mismatch(const void *buffer, size_t size,
|
||||
const union cbfs_mdata *mdata)
|
||||
{
|
||||
struct cbfs_stage *stage = (struct cbfs_stage *)
|
||||
cbfs_get_file_content(media, name, CBFS_TYPE_STAGE, NULL);
|
||||
/* this is a mess. There is no ntohll. */
|
||||
/* for now, assume compatible byte order until we solve this. */
|
||||
uintptr_t entry;
|
||||
uint32_t final_size;
|
||||
if (!CONFIG(LP_CBFS_VERIFICATION))
|
||||
return false;
|
||||
|
||||
if (stage == NULL)
|
||||
return (void *) -1;
|
||||
const struct vb2_hash *hash = cbfs_file_hash(mdata);
|
||||
if (!hash) {
|
||||
ERROR("'%s' does not have a file hash!\n", mdata->h.filename);
|
||||
return true;
|
||||
}
|
||||
if (vb2_hash_verify(buffer, size, hash) != VB2_SUCCESS) {
|
||||
ERROR("'%s' file hash mismatch!\n", mdata->h.filename);
|
||||
return true;
|
||||
}
|
||||
|
||||
LOG("loading stage %s @ %p (%d bytes), entry @ 0x%llx\n",
|
||||
name,
|
||||
(void*)(uintptr_t) stage->load, stage->memlen,
|
||||
stage->entry);
|
||||
return false;
|
||||
}
|
||||
|
||||
final_size = cbfs_decompress(stage->compression,
|
||||
((unsigned char *) stage) +
|
||||
sizeof(struct cbfs_stage),
|
||||
stage->len,
|
||||
(void *) (uintptr_t) stage->load,
|
||||
stage->memlen);
|
||||
if (!final_size) {
|
||||
entry = -1;
|
||||
static size_t cbfs_load_and_decompress(size_t offset, size_t in_size, void *buffer,
|
||||
size_t buffer_size, uint32_t compression,
|
||||
const union cbfs_mdata *mdata)
|
||||
{
|
||||
void *load = buffer;
|
||||
size_t out_size = 0;
|
||||
|
||||
DEBUG("Decompressing %zu bytes from '%s' to %p with algo %d\n", in_size,
|
||||
mdata->h.filename, buffer, compression);
|
||||
|
||||
if (compression != CBFS_COMPRESS_NONE) {
|
||||
load = malloc(in_size);
|
||||
if (!load) {
|
||||
ERROR("'%s' buffer allocation failed\n", mdata->h.filename);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
if (boot_device_read(load, offset, in_size) != in_size) {
|
||||
ERROR("'%s' failed to read contents of file\n", mdata->h.filename);
|
||||
goto out;
|
||||
}
|
||||
|
||||
memset((void *)((uintptr_t)stage->load + final_size), 0,
|
||||
stage->memlen - final_size);
|
||||
|
||||
DEBUG("stage loaded.\n");
|
||||
|
||||
entry = stage->entry;
|
||||
// entry = ntohll(stage->entry);
|
||||
if (cbfs_file_hash_mismatch(buffer, in_size, mdata))
|
||||
goto out;
|
||||
|
||||
switch (compression) {
|
||||
case CBFS_COMPRESS_NONE:
|
||||
out_size = in_size;
|
||||
break;
|
||||
case CBFS_COMPRESS_LZ4:
|
||||
if (!CONFIG(LP_LZ4))
|
||||
goto out;
|
||||
out_size = ulz4fn(load, in_size, buffer, buffer_size);
|
||||
break;
|
||||
case CBFS_COMPRESS_LZMA:
|
||||
if (!CONFIG(LP_LZMA))
|
||||
goto out;
|
||||
out_size = ulzman(load, in_size, buffer, buffer_size);
|
||||
break;
|
||||
default:
|
||||
ERROR("'%s' decompression algo %d not supported\n", mdata->h.filename,
|
||||
compression);
|
||||
}
|
||||
out:
|
||||
free(stage);
|
||||
return (void *) entry;
|
||||
if (load != buffer)
|
||||
free(load);
|
||||
return out_size;
|
||||
}
|
||||
|
||||
int cbfs_execute_stage(struct cbfs_media *media, const char *name)
|
||||
void *_cbfs_load(const char *name, void *buf, size_t *size_inout, bool force_ro)
|
||||
{
|
||||
struct cbfs_stage *stage = (struct cbfs_stage *)
|
||||
cbfs_get_file_content(media, name, CBFS_TYPE_STAGE, NULL);
|
||||
ssize_t offset;
|
||||
size_t out_size;
|
||||
union cbfs_mdata mdata;
|
||||
bool malloced = false;
|
||||
|
||||
if (stage == NULL)
|
||||
return 1;
|
||||
DEBUG("%s(name='%s', buf=%p, force_ro=%s)\n", __func__, name, buf,
|
||||
force_ro ? "true" : "false");
|
||||
|
||||
if (ntohl(stage->compression) != CBFS_COMPRESS_NONE) {
|
||||
LOG("Unable to run %s: Compressed file"
|
||||
"Not supported for in-place execution\n", name);
|
||||
free(stage);
|
||||
return 1;
|
||||
}
|
||||
|
||||
LOG("run @ %p\n", (void *) (uintptr_t)ntohll(stage->entry));
|
||||
int result = run_address((void *)(uintptr_t)ntohll(stage->entry));
|
||||
free(stage);
|
||||
return result;
|
||||
}
|
||||
|
||||
void *cbfs_load_payload(struct cbfs_media *media, const char *name)
|
||||
{
|
||||
return (struct cbfs_payload *)cbfs_get_file_content(
|
||||
media, name, CBFS_TYPE_SELF, NULL);
|
||||
}
|
||||
|
||||
struct cbfs_file *cbfs_find(const char *name) {
|
||||
struct cbfs_handle *handle = cbfs_get_handle(CBFS_DEFAULT_MEDIA, name);
|
||||
struct cbfs_media *m = &handle->media;
|
||||
void *ret;
|
||||
|
||||
if (!handle)
|
||||
offset = _cbfs_boot_lookup(name, force_ro, &mdata);
|
||||
if (offset < 0)
|
||||
return NULL;
|
||||
|
||||
ret = m->map(m, handle->media_offset,
|
||||
handle->content_offset + handle->content_size);
|
||||
if (ret == CBFS_MEDIA_INVALID_MAP_ADDRESS) {
|
||||
free(handle);
|
||||
uint32_t compression = CBFS_COMPRESS_NONE;
|
||||
const struct cbfs_file_attr_compression *cattr =
|
||||
cbfs_find_attr(&mdata, CBFS_FILE_ATTR_TAG_COMPRESSION, sizeof(*cattr));
|
||||
if (cattr) {
|
||||
compression = be32toh(cattr->compression);
|
||||
out_size = be32toh(cattr->decompressed_size);
|
||||
} else {
|
||||
out_size = be32toh(mdata.h.len);
|
||||
}
|
||||
|
||||
if (buf) {
|
||||
if (!size_inout || *size_inout < out_size) {
|
||||
ERROR("'%s' buffer too small", mdata.h.filename);
|
||||
return NULL;
|
||||
}
|
||||
} else {
|
||||
buf = malloc(out_size);
|
||||
if (!buf) {
|
||||
ERROR("'%s' allocation failure", mdata.h.filename);
|
||||
return NULL;
|
||||
}
|
||||
malloced = true;
|
||||
}
|
||||
|
||||
if (cbfs_load_and_decompress(offset, be32toh(mdata.h.len), buf, out_size, compression,
|
||||
&mdata)
|
||||
!= out_size) {
|
||||
if (malloced)
|
||||
free(buf);
|
||||
return NULL;
|
||||
}
|
||||
if (size_inout)
|
||||
*size_inout = out_size;
|
||||
|
||||
free(handle);
|
||||
return ret;
|
||||
return buf;
|
||||
}
|
||||
|
||||
void *cbfs_find_file(const char *name, int type) {
|
||||
return cbfs_get_file_content(CBFS_DEFAULT_MEDIA, name, type, NULL);
|
||||
}
|
||||
|
||||
const struct cbfs_header *get_cbfs_header(void) {
|
||||
return cbfs_get_header(CBFS_DEFAULT_MEDIA);
|
||||
}
|
||||
|
||||
/* Simple buffer */
|
||||
|
||||
void *cbfs_simple_buffer_map(struct cbfs_simple_buffer *buffer,
|
||||
struct cbfs_media *media,
|
||||
size_t offset, size_t count) {
|
||||
void *address = buffer->buffer + buffer->allocated;
|
||||
DEBUG("simple_buffer_map(offset=%zu, count=%zu): "
|
||||
"allocated=%zu, size=%zu, last_allocate=%zu\n",
|
||||
offset, count, buffer->allocated, buffer->size,
|
||||
buffer->last_allocate);
|
||||
if (buffer->allocated + count >= buffer->size)
|
||||
return CBFS_MEDIA_INVALID_MAP_ADDRESS;
|
||||
if (media->read(media, address, offset, count) != count) {
|
||||
ERROR("simple_buffer: fail to read %zd bytes from 0x%zx\n",
|
||||
count, offset);
|
||||
return CBFS_MEDIA_INVALID_MAP_ADDRESS;
|
||||
}
|
||||
buffer->allocated += count;
|
||||
buffer->last_allocate = count;
|
||||
return address;
|
||||
}
|
||||
|
||||
void *cbfs_simple_buffer_unmap(struct cbfs_simple_buffer *buffer,
|
||||
const void *address) {
|
||||
// TODO Add simple buffer management so we can free more than last
|
||||
// allocated one.
|
||||
DEBUG("simple_buffer_unmap(address=%p): "
|
||||
"allocated=%zu, size=%zu, last_allocate=%zu\n",
|
||||
address, buffer->allocated, buffer->size,
|
||||
buffer->last_allocate);
|
||||
if ((buffer->buffer + buffer->allocated - buffer->last_allocate) ==
|
||||
address) {
|
||||
buffer->allocated -= buffer->last_allocate;
|
||||
buffer->last_allocate = 0;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/**
|
||||
* run_address is passed the address of a function taking no parameters and
|
||||
* jumps to it, returning the result.
|
||||
* @param f the address to call as a function.
|
||||
* @return value returned by the function.
|
||||
*/
|
||||
|
||||
int run_address(void *f)
|
||||
{
|
||||
int (*v) (void);
|
||||
v = f;
|
||||
return v();
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
@ -242,7 +242,6 @@ void *cbfs_get_contents(struct cbfs_handle *handle, size_t *size, size_t limit)
|
|||
cbfs_get_attr(handle, CBFS_FILE_ATTR_TAG_COMPRESSION);
|
||||
if (comp) {
|
||||
algo = ntohl(comp->compression);
|
||||
DEBUG("File '%s' is compressed (alg=%d)\n", name, algo);
|
||||
*size = ntohl(comp->decompressed_size);
|
||||
/* TODO: Implement partial decompression with |limit| */
|
||||
}
|
||||
|
|
|
@ -0,0 +1,223 @@
|
|||
/*
|
||||
*
|
||||
* Copyright (C) 2011 secunet Security Networks AG
|
||||
* Copyright (C) 2013 Google, Inc.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <libpayload-config.h>
|
||||
#if CONFIG(LP_LZMA)
|
||||
# include <lzma.h>
|
||||
# define CB_CBFS_CORE_WITH_LZMA
|
||||
#endif
|
||||
#if CONFIG(LP_LZ4)
|
||||
# include <lz4.h>
|
||||
# define CB_CBFS_CORE_WITH_LZ4
|
||||
#endif
|
||||
|
||||
#include <cbfs_legacy.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#define DEBUG(x...)
|
||||
#define LOG(x...)
|
||||
#define ERROR(x...) printf(x)
|
||||
|
||||
#ifndef __SMM__
|
||||
|
||||
#include "cbfs_core.c"
|
||||
|
||||
static inline int tohex4(unsigned int c)
|
||||
{
|
||||
return (c <= 9) ? (c + '0') : (c - 10 + 'a');
|
||||
}
|
||||
|
||||
static void tohex16(unsigned int val, char *dest)
|
||||
{
|
||||
dest[0] = tohex4(val>>12);
|
||||
dest[1] = tohex4((val>>8) & 0xf);
|
||||
dest[2] = tohex4((val>>4) & 0xf);
|
||||
dest[3] = tohex4(val & 0xf);
|
||||
}
|
||||
|
||||
void *cbfs_load_optionrom(struct cbfs_media *media, uint16_t vendor,
|
||||
uint16_t device)
|
||||
{
|
||||
char name[17] = "pciXXXX,XXXX.rom";
|
||||
|
||||
tohex16(vendor, name+3);
|
||||
tohex16(device, name+8);
|
||||
|
||||
return cbfs_get_file_content(media, name, CBFS_TYPE_OPTIONROM, NULL);
|
||||
}
|
||||
|
||||
void *cbfs_load_stage(struct cbfs_media *media, const char *name)
|
||||
{
|
||||
struct cbfs_stage *stage = (struct cbfs_stage *)
|
||||
cbfs_get_file_content(media, name, CBFS_TYPE_STAGE, NULL);
|
||||
/* this is a mess. There is no ntohll. */
|
||||
/* for now, assume compatible byte order until we solve this. */
|
||||
uintptr_t entry;
|
||||
uint32_t final_size;
|
||||
|
||||
if (stage == NULL)
|
||||
return (void *) -1;
|
||||
|
||||
LOG("loading stage %s @ %p (%d bytes), entry @ 0x%llx\n", name,
|
||||
(void *)(uintptr_t)stage->load, stage->memlen, stage->entry);
|
||||
|
||||
final_size = cbfs_decompress(stage->compression,
|
||||
((unsigned char *) stage) +
|
||||
sizeof(struct cbfs_stage),
|
||||
stage->len,
|
||||
(void *) (uintptr_t) stage->load,
|
||||
stage->memlen);
|
||||
if (!final_size) {
|
||||
entry = -1;
|
||||
goto out;
|
||||
}
|
||||
|
||||
memset((void *)((uintptr_t)stage->load + final_size), 0,
|
||||
stage->memlen - final_size);
|
||||
|
||||
DEBUG("stage loaded.\n");
|
||||
|
||||
entry = stage->entry;
|
||||
// entry = ntohll(stage->entry);
|
||||
|
||||
out:
|
||||
free(stage);
|
||||
return (void *) entry;
|
||||
}
|
||||
|
||||
int cbfs_execute_stage(struct cbfs_media *media, const char *name)
|
||||
{
|
||||
struct cbfs_stage *stage = (struct cbfs_stage *)
|
||||
cbfs_get_file_content(media, name, CBFS_TYPE_STAGE, NULL);
|
||||
|
||||
if (stage == NULL)
|
||||
return 1;
|
||||
|
||||
if (ntohl(stage->compression) != CBFS_COMPRESS_NONE) {
|
||||
LOG("Unable to run %s: Compressed file"
|
||||
"Not supported for in-place execution\n", name);
|
||||
free(stage);
|
||||
return 1;
|
||||
}
|
||||
|
||||
LOG("run @ %p\n", (void *) (uintptr_t)ntohll(stage->entry));
|
||||
int result = run_address((void *)(uintptr_t)ntohll(stage->entry));
|
||||
free(stage);
|
||||
return result;
|
||||
}
|
||||
|
||||
void *cbfs_load_payload(struct cbfs_media *media, const char *name)
|
||||
{
|
||||
return (struct cbfs_payload *)cbfs_get_file_content(
|
||||
media, name, CBFS_TYPE_SELF, NULL);
|
||||
}
|
||||
|
||||
struct cbfs_file *cbfs_find(const char *name)
|
||||
{
|
||||
struct cbfs_handle *handle = cbfs_get_handle(CBFS_DEFAULT_MEDIA, name);
|
||||
struct cbfs_media *m = &handle->media;
|
||||
void *ret;
|
||||
|
||||
if (!handle)
|
||||
return NULL;
|
||||
|
||||
ret = m->map(m, handle->media_offset,
|
||||
handle->content_offset + handle->content_size);
|
||||
if (ret == CBFS_MEDIA_INVALID_MAP_ADDRESS) {
|
||||
free(handle);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
free(handle);
|
||||
return ret;
|
||||
}
|
||||
|
||||
void *cbfs_find_file(const char *name, int type)
|
||||
{
|
||||
return cbfs_get_file_content(CBFS_DEFAULT_MEDIA, name, type, NULL);
|
||||
}
|
||||
|
||||
const struct cbfs_header *get_cbfs_header(void)
|
||||
{
|
||||
return cbfs_get_header(CBFS_DEFAULT_MEDIA);
|
||||
}
|
||||
|
||||
/* Simple buffer */
|
||||
|
||||
void *cbfs_simple_buffer_map(struct cbfs_simple_buffer *buffer, struct cbfs_media *media,
|
||||
size_t offset, size_t count)
|
||||
{
|
||||
void *address = buffer->buffer + buffer->allocated;
|
||||
DEBUG("simple_buffer_map(offset=%zu, count=%zu): "
|
||||
"allocated=%zu, size=%zu, last_allocate=%zu\n",
|
||||
offset, count, buffer->allocated, buffer->size,
|
||||
buffer->last_allocate);
|
||||
if (buffer->allocated + count >= buffer->size)
|
||||
return CBFS_MEDIA_INVALID_MAP_ADDRESS;
|
||||
if (media->read(media, address, offset, count) != count) {
|
||||
ERROR("simple_buffer: fail to read %zd bytes from 0x%zx\n",
|
||||
count, offset);
|
||||
return CBFS_MEDIA_INVALID_MAP_ADDRESS;
|
||||
}
|
||||
buffer->allocated += count;
|
||||
buffer->last_allocate = count;
|
||||
return address;
|
||||
}
|
||||
|
||||
void *cbfs_simple_buffer_unmap(struct cbfs_simple_buffer *buffer, const void *address)
|
||||
{
|
||||
// TODO Add simple buffer management so we can free more than last
|
||||
// allocated one.
|
||||
DEBUG("simple_buffer_unmap(address=%p): "
|
||||
"allocated=%zu, size=%zu, last_allocate=%zu\n",
|
||||
address, buffer->allocated, buffer->size,
|
||||
buffer->last_allocate);
|
||||
if ((buffer->buffer + buffer->allocated - buffer->last_allocate) ==
|
||||
address) {
|
||||
buffer->allocated -= buffer->last_allocate;
|
||||
buffer->last_allocate = 0;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/**
|
||||
* run_address is passed the address of a function taking no parameters and
|
||||
* jumps to it, returning the result.
|
||||
* @param f the address to call as a function.
|
||||
* @return value returned by the function.
|
||||
*/
|
||||
|
||||
int run_address(void *f)
|
||||
{
|
||||
int (*v)(void);
|
||||
v = f;
|
||||
return v();
|
||||
}
|
||||
|
||||
#endif /* __SMM__ */
|
|
@ -34,6 +34,7 @@ TEST_CFLAGS := -include include/kconfig.h -include include/compiler.h
|
|||
TEST_CFLAGS += -Iinclude -Iinclude/mock
|
||||
TEST_CFLAGS += -I$(coreboottop)/src/commonlib/bsd/include
|
||||
TEST_CFLAGS += -I$(dir $(TEST_KCONFIG_AUTOHEADER))
|
||||
TEST_CFLAGS += -I$(coreboottop)/3rdparty/vboot/firmware/include
|
||||
|
||||
# Test specific includes
|
||||
TEST_CFLAGS += -I$(testsrc)/include
|
||||
|
|
|
@ -0,0 +1,114 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
#ifndef MOCKS_CBFS_UTIL_H
|
||||
#define MOCKS_CBFS_UTIL_H
|
||||
|
||||
#include <cbfs.h>
|
||||
#include <stddef.h>
|
||||
#include <tests/test.h>
|
||||
|
||||
#define BE32(be32) EMPTY_WRAP(\
|
||||
((be32) >> 24) & 0xff, ((be32) >> 16) & 0xff, \
|
||||
((be32) >> 8) & 0xff, ((be32) >> 0) & 0xff)
|
||||
|
||||
#define BE64(be64) EMPTY_WRAP( \
|
||||
BE32(((be64) >> 32) & 0xFFFFFFFF), \
|
||||
BE32(((be64) >> 0) & 0xFFFFFFFF))
|
||||
|
||||
#define LE32(val32) EMPTY_WRAP(\
|
||||
((val32) >> 0) & 0xff, ((val32) >> 8) & 0xff, \
|
||||
((val32) >> 16) & 0xff, ((val32) >> 24) & 0xff)
|
||||
|
||||
#define LE64(val64) EMPTY_WRAP( \
|
||||
BE32(((val64) >> 0) & 0xFFFFFFFF), \
|
||||
BE32(((val64) >> 32) & 0xFFFFFFFF))
|
||||
|
||||
#define FILENAME_SIZE 16
|
||||
|
||||
struct cbfs_test_file {
|
||||
struct cbfs_file header;
|
||||
u8 filename[FILENAME_SIZE];
|
||||
u8 attrs_and_data[200];
|
||||
};
|
||||
|
||||
#define TEST_MCACHE_SIZE (2 * MiB)
|
||||
|
||||
#define HEADER_INITIALIZER(ftype, attr_len, file_len) { \
|
||||
.magic = CBFS_FILE_MAGIC, \
|
||||
.len = htobe32(file_len), \
|
||||
.type = htobe32(ftype), \
|
||||
.attributes_offset = \
|
||||
htobe32(attr_len ? sizeof(struct cbfs_file) + FILENAME_SIZE : 0), \
|
||||
.offset = htobe32(sizeof(struct cbfs_file) + FILENAME_SIZE + attr_len), \
|
||||
}
|
||||
|
||||
#define HASH_ATTR_SIZE (offsetof(struct cbfs_file_attr_hash, hash.raw) + VB2_SHA256_DIGEST_SIZE)
|
||||
|
||||
/* This macro basically does nothing but suppresses linter messages */
|
||||
#define EMPTY_WRAP(...) __VA_ARGS__
|
||||
|
||||
#define TEST_DATA_1_FILENAME "test/data/1"
|
||||
#define TEST_DATA_1_SIZE sizeof((u8[]){TEST_DATA_1})
|
||||
#define TEST_DATA_1 EMPTY_WRAP( \
|
||||
'!', '"', '#', '$', '%', '&', '\'', '(', ')', '*', '+', ',', '-', '.', '/', \
|
||||
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?', '@', \
|
||||
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', \
|
||||
'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', \
|
||||
'[', '\\', ']', '^', '_', '`', \
|
||||
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', \
|
||||
'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z')
|
||||
|
||||
#define TEST_DATA_2_FILENAME "test/data/2"
|
||||
#define TEST_DATA_2_SIZE sizeof((u8[]){TEST_DATA_2})
|
||||
#define TEST_DATA_2 EMPTY_WRAP( \
|
||||
0x9d, 0xa9, 0x91, 0xac, 0x5d, 0xb2, 0x70, 0x76, 0x37, 0x94, 0x94, 0xa8, 0x8b, 0x78, \
|
||||
0xb9, 0xaa, 0x1a, 0x8e, 0x9a, 0x16, 0xbe, 0xdc, 0x29, 0x42, 0x46, 0x58, 0xd4, 0x37, \
|
||||
0x94, 0xca, 0x05, 0xdb, 0x54, 0xfa, 0xd8, 0x6e, 0x54, 0xd8, 0x30, 0x46, 0x5d, 0x62, \
|
||||
0xc2, 0xce, 0xd8, 0x74, 0x60, 0xaf, 0x83, 0x8f, 0xfa, 0x97, 0xdd, 0x6e, 0xcb, 0x60, \
|
||||
0xfa, 0xed, 0x8b, 0x55, 0x9e, 0xc1, 0xc2, 0x18, 0x4f, 0xe2, 0x28, 0x7e, 0xd7, 0x2f, \
|
||||
0xa2, 0x86, 0xfb, 0x4d, 0x3e, 0x00, 0x5a, 0xf7, 0xc2, 0xad, 0x0e, 0xa7, 0xa2, 0xf7, \
|
||||
0x38, 0x66, 0xe6, 0x5c, 0x76, 0x98, 0x89, 0x63, 0xeb, 0xc5, 0xf5, 0xb7, 0xa7, 0x58, \
|
||||
0xe0, 0xf0, 0x2e, 0x2f, 0xb0, 0x95, 0xb7, 0x43, 0x28, 0x19, 0x2d, 0xef, 0x1a, 0xb3, \
|
||||
0x42, 0x31, 0x55, 0x0f, 0xbc, 0xcd, 0x01, 0xe5, 0x39, 0x18, 0x88, 0x83, 0xb2, 0xc5, \
|
||||
0x4b, 0x3b, 0x38, 0xe7)
|
||||
|
||||
#define TEST_DATA_INT_1_FILENAME "test-int-1"
|
||||
#define TEST_DATA_INT_1_SIZE 8
|
||||
#define TEST_DATA_INT_1 0xFEDCBA9876543210ULL
|
||||
|
||||
#define TEST_DATA_INT_2_FILENAME "test-int-2"
|
||||
#define TEST_DATA_INT_2_SIZE 8
|
||||
#define TEST_DATA_INT_2 0x10FE32DC54A97698ULL
|
||||
|
||||
#define TEST_DATA_INT_3_FILENAME "test-int-3"
|
||||
#define TEST_DATA_INT_3_SIZE 8
|
||||
#define TEST_DATA_INT_3 0xFA57F003B0036667ULL
|
||||
|
||||
#define TEST_SHA256 \
|
||||
EMPTY_WRAP(0xef, 0xc7, 0xb1, 0x0a, 0xbf, 0x54, 0x2f, 0xaa, 0x12, 0xa6, 0xeb, 0xf, \
|
||||
0xff, 0xf4, 0x19, 0xc1, 0x63, 0xf4, 0x60, 0x50, 0xc5, 0xb0, 0xbe, 0x37, \
|
||||
0x32, 0x11, 0x19, 0x63, 0x61, 0xe0, 0x53, 0xe0)
|
||||
|
||||
#define INVALID_SHA256 \
|
||||
EMPTY_WRAP('T', 'h', 'i', 's', ' ', 'i', 's', ' ', 'n', 'o', 't', ' ', 'a', ' ', 'v', \
|
||||
'a', 'l', 'i', 'd', ' ', 'S', 'H', 'A', '2', '5', '6', '!', '!', '!', '!', \
|
||||
'!', '!')
|
||||
|
||||
extern const u8 test_data_1[TEST_DATA_1_SIZE];
|
||||
extern const u8 test_data_2[TEST_DATA_2_SIZE];
|
||||
extern const u8 test_data_int_1[TEST_DATA_INT_1_SIZE];
|
||||
extern const u8 test_data_int_2[TEST_DATA_INT_2_SIZE];
|
||||
extern const u8 test_data_int_3[TEST_DATA_INT_3_SIZE];
|
||||
|
||||
extern const u8 good_hash[VB2_SHA256_DIGEST_SIZE];
|
||||
extern const u8 bad_hash[VB2_SHA256_DIGEST_SIZE];
|
||||
|
||||
extern const struct cbfs_test_file file_no_hash;
|
||||
extern const struct cbfs_test_file file_valid_hash;
|
||||
extern const struct cbfs_test_file file_broken_hash;
|
||||
extern const struct cbfs_test_file test_file_1;
|
||||
extern const struct cbfs_test_file test_file_2;
|
||||
extern const struct cbfs_test_file test_file_int_1;
|
||||
extern const struct cbfs_test_file test_file_int_2;
|
||||
extern const struct cbfs_test_file test_file_int_3;
|
||||
|
||||
#endif /* MOCKS_CBFS_UTIL_H */
|
|
@ -0,0 +1,33 @@
|
|||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
|
||||
tests-y += cbfs-lookup-no-fallback-test
|
||||
tests-y += cbfs-lookup-has-fallback-test
|
||||
tests-y += cbfs-verification-no-sha512-test
|
||||
tests-y += cbfs-verification-has-sha512-test
|
||||
tests-y += cbfs-no-verification-no-sha512-test
|
||||
tests-y += cbfs-no-verification-has-sha512-test
|
||||
|
||||
|
||||
cbfs-lookup-no-fallback-test-srcs += tests/libcbfs/cbfs-lookup-test.c
|
||||
cbfs-lookup-no-fallback-test-srcs += tests/mocks/cbfs_file_mock.c
|
||||
cbfs-lookup-no-fallback-test-config += CONFIG_LP_ENABLE_CBFS_FALLBACK=0
|
||||
cbfs-lookup-no-fallback-test-config += CONFIG_LP_LZ4=1
|
||||
cbfs-lookup-no-fallback-test-config += CONFIG_LP_LZMA=1
|
||||
|
||||
$(call copy-test,cbfs-lookup-no-fallback-test,cbfs-lookup-has-fallback-test)
|
||||
cbfs-lookup-has-fallback-test-config += CONFIG_LP_ENABLE_CBFS_FALLBACK=1
|
||||
|
||||
cbfs-verification-no-sha512-test-srcs += tests/libcbfs/cbfs-verification-test.c
|
||||
cbfs-verification-no-sha512-test-srcs += tests/mocks/cbfs_file_mock.c
|
||||
cbfs-verification-no-sha512-test-config += CONFIG_LP_CBFS_VERIFICATION=1
|
||||
cbfs-verification-no-sha512-test-config += VB2_SUPPORT_SHA512=0
|
||||
|
||||
$(call copy-test,cbfs-verification-no-sha512-test,cbfs-verification-has-sha512-test)
|
||||
cbfs-verification-has-sha512-test-config += VB2_SUPPORT_SHA512=1
|
||||
|
||||
$(call copy-test,cbfs-verification-no-sha512-test,cbfs-no-verification-no-sha512-test)
|
||||
cbfs-verification-has-sha512-test-config += CONFIG_LP_CBFS_VERIFICATION=0
|
||||
|
||||
$(call copy-test,cbfs-verification-no-sha512-test,cbfs-no-verification-has-sha512-test)
|
||||
cbfs-verification-has-sha512-test-config += CONFIG_LP_CBFS_VERIFICATION=0
|
||||
cbfs-verification-has-sha512-test-config += VB2_SUPPORT_SHA512=1
|
|
@ -0,0 +1,642 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0.-only */
|
||||
|
||||
#include <libpayload-config.h>
|
||||
#include <cbfs.h>
|
||||
#include <cbfs_glue.h>
|
||||
#include <commonlib/bsd/cb_err.h>
|
||||
#include <commonlib/bsd/cbfs_mdata.h>
|
||||
#include <endian.h>
|
||||
#include <mocks/cbfs_util.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <sysinfo.h>
|
||||
#include <tests/test.h>
|
||||
|
||||
#include "../libcbfs/cbfs.c"
|
||||
|
||||
/* Mocks */
|
||||
|
||||
unsigned long virtual_offset = 0;
|
||||
struct sysinfo_t lib_sysinfo;
|
||||
|
||||
unsigned long ulzman(const unsigned char *src, unsigned long srcn, unsigned char *dst,
|
||||
unsigned long dstn)
|
||||
{
|
||||
assert_true(dstn != 0);
|
||||
check_expected(srcn);
|
||||
check_expected(dstn);
|
||||
memcpy(dst, src, dstn);
|
||||
return dstn;
|
||||
}
|
||||
|
||||
size_t ulz4fn(const void *src, size_t srcn, void *dst, size_t dstn)
|
||||
{
|
||||
assert_non_null(dstn);
|
||||
check_expected(srcn);
|
||||
check_expected(dstn);
|
||||
memcpy(dst, src, dstn);
|
||||
return dstn;
|
||||
}
|
||||
|
||||
static size_t test_fmap_offset = 0;
|
||||
static size_t test_fmap_size = 0;
|
||||
static cb_err_t test_fmap_result = CB_SUCCESS;
|
||||
|
||||
static void set_fmap_locate_area_results(size_t offset, size_t size, size_t result)
|
||||
{
|
||||
test_fmap_offset = offset;
|
||||
test_fmap_size = size;
|
||||
test_fmap_result = result;
|
||||
}
|
||||
|
||||
cb_err_t fmap_locate_area(const char *name, size_t *offset, size_t *size)
|
||||
{
|
||||
*offset = test_fmap_offset;
|
||||
*size = test_fmap_size;
|
||||
return test_fmap_result;
|
||||
}
|
||||
|
||||
cb_err_t cbfs_mcache_lookup(const void *mcache, size_t mcache_size, const char *name,
|
||||
union cbfs_mdata *mdata_out, size_t *data_offset_out)
|
||||
{
|
||||
assert_non_null(mcache);
|
||||
assert_true(mcache_size > 0 && mcache_size % CBFS_MCACHE_ALIGNMENT == 0);
|
||||
assert_non_null(mdata_out);
|
||||
assert_non_null(data_offset_out);
|
||||
|
||||
check_expected(name);
|
||||
|
||||
cb_err_t ret = mock_type(cb_err_t);
|
||||
if (ret != CB_SUCCESS)
|
||||
return ret;
|
||||
|
||||
memcpy(mdata_out, mock_ptr_type(const union cbfs_mdata *), sizeof(union cbfs_mdata));
|
||||
*data_offset_out = mock_type(size_t);
|
||||
return CB_SUCCESS;
|
||||
}
|
||||
|
||||
static void expect_cbfs_mcache_lookup(const char *name, cb_err_t err,
|
||||
const union cbfs_mdata *mdata, size_t data_offset_out)
|
||||
{
|
||||
expect_string(cbfs_mcache_lookup, name, name);
|
||||
will_return(cbfs_mcache_lookup, err);
|
||||
|
||||
if (err == CB_SUCCESS) {
|
||||
will_return(cbfs_mcache_lookup, mdata);
|
||||
will_return(cbfs_mcache_lookup, data_offset_out);
|
||||
}
|
||||
}
|
||||
|
||||
cb_err_t cbfs_lookup(cbfs_dev_t dev, const char *name, union cbfs_mdata *mdata_out,
|
||||
size_t *data_offset_out, struct vb2_hash *metadata_hash)
|
||||
{
|
||||
assert_non_null(dev);
|
||||
check_expected(name);
|
||||
|
||||
cb_err_t ret = mock_type(cb_err_t);
|
||||
if (ret != CB_SUCCESS)
|
||||
return ret;
|
||||
|
||||
memcpy(mdata_out, mock_ptr_type(const union cbfS_mdata *), sizeof(union cbfs_mdata));
|
||||
*data_offset_out = mock_type(size_t);
|
||||
return CB_SUCCESS;
|
||||
}
|
||||
|
||||
static void expect_cbfs_lookup(const char *name, cb_err_t err, const union cbfs_mdata *mdata,
|
||||
size_t data_offset_out)
|
||||
{
|
||||
expect_string(cbfs_lookup, name, name);
|
||||
will_return(cbfs_lookup, err);
|
||||
|
||||
if (err == CB_SUCCESS) {
|
||||
will_return(cbfs_lookup, mdata);
|
||||
will_return(cbfs_lookup, data_offset_out);
|
||||
}
|
||||
}
|
||||
|
||||
const void *cbfs_find_attr(const union cbfs_mdata *mdata, uint32_t attr_tag, size_t size_check)
|
||||
{
|
||||
return mock_ptr_type(void *);
|
||||
}
|
||||
|
||||
static bool force_single_boot_device_size_failure = false;
|
||||
|
||||
ssize_t boot_device_read(void *buf, size_t offset, size_t size)
|
||||
{
|
||||
memcpy(buf, (void *)offset, size);
|
||||
if (force_single_boot_device_size_failure) {
|
||||
force_single_boot_device_size_failure = false;
|
||||
return CB_ERR;
|
||||
}
|
||||
return size;
|
||||
}
|
||||
|
||||
/* Utils */
|
||||
|
||||
static size_t get_cbfs_file_size(const void *file_ptr)
|
||||
{
|
||||
const struct cbfs_file *f = file_ptr;
|
||||
return be32toh(f->offset) + be32toh(f->len);
|
||||
}
|
||||
|
||||
static void create_cbfs(const struct cbfs_test_file *files[], const size_t nfiles,
|
||||
uint8_t *buffer, const size_t buffer_size)
|
||||
{
|
||||
uint8_t *data_ptr = buffer;
|
||||
size_t file_size = 0;
|
||||
memset(buffer, 0, buffer_size);
|
||||
for (size_t i = 0; i < nfiles; ++i) {
|
||||
if (files[i] == NULL) {
|
||||
file_size = CBFS_ALIGNMENT;
|
||||
assert_true(&data_ptr[file_size] < &buffer[buffer_size]);
|
||||
} else {
|
||||
file_size = get_cbfs_file_size(files[i]);
|
||||
assert_true(&data_ptr[file_size] < &buffer[buffer_size]);
|
||||
memcpy(data_ptr, files[i], file_size);
|
||||
}
|
||||
data_ptr = &data_ptr[file_size];
|
||||
data_ptr = &buffer[ALIGN_UP((uintptr_t)data_ptr - (uintptr_t)buffer,
|
||||
CBFS_ALIGNMENT)];
|
||||
}
|
||||
}
|
||||
|
||||
static size_t get_created_cbfs_file_start_offset(const struct cbfs_test_file *files[],
|
||||
const size_t nfile)
|
||||
{
|
||||
size_t offset_out = 0;
|
||||
size_t offset = 0;
|
||||
for (size_t i = 0; i < nfile; ++i) {
|
||||
offset = files[i] ? get_cbfs_file_size(files[i]) : CBFS_ALIGNMENT;
|
||||
offset_out = ALIGN_UP(offset_out + offset, CBFS_ALIGNMENT);
|
||||
}
|
||||
return offset_out;
|
||||
}
|
||||
|
||||
/* Setup */
|
||||
|
||||
static uint8_t
|
||||
aligned_cbfs_ro_buffer[(sizeof(struct cbfs_test_file) + CBFS_ALIGNMENT * 50)] __aligned(
|
||||
CBFS_ALIGNMENT);
|
||||
static const size_t aligned_cbfs_ro_buffer_size = sizeof(aligned_cbfs_ro_buffer);
|
||||
static uint8_t
|
||||
aligned_cbfs_rw_buffer[(sizeof(struct cbfs_test_file) + CBFS_ALIGNMENT * 50)] __aligned(
|
||||
CBFS_ALIGNMENT);
|
||||
static const size_t aligned_cbfs_rw_buffer_size = sizeof(aligned_cbfs_rw_buffer);
|
||||
|
||||
static uint8_t *unaligned_cbfs_ro_buffer = &aligned_cbfs_ro_buffer[5];
|
||||
static const size_t unaligned_cbfs_ro_buffer_size = aligned_cbfs_ro_buffer_size - 5;
|
||||
static uint8_t *unaligned_cbfs_rw_buffer = &aligned_cbfs_rw_buffer[5];
|
||||
static const size_t unaligned_cbfs_rw_buffer_size = aligned_cbfs_rw_buffer_size - 5;
|
||||
|
||||
struct cbfs_test_state {
|
||||
uint8_t *cbfs_ro_buf;
|
||||
uint64_t cbfs_ro_size;
|
||||
uint8_t *cbfs_rw_buf;
|
||||
uint64_t cbfs_rw_size;
|
||||
|
||||
size_t mcache_ro_offset;
|
||||
size_t mcache_ro_size;
|
||||
size_t mcache_rw_offset;
|
||||
size_t mcache_rw_size;
|
||||
|
||||
struct cbfs_test_setup {
|
||||
bool unaligned;
|
||||
bool init_ro;
|
||||
bool init_rw;
|
||||
} ex;
|
||||
};
|
||||
|
||||
|
||||
/* Because of how CMocka works, it should be called in the test function, or in the setup
|
||||
function only if CBFS API capable of initializing RO CBFS boot device is called. */
|
||||
static void setup_cbfs_boot_device(struct cbfs_test_state *s)
|
||||
{
|
||||
set_fmap_locate_area_results(0, 0, CB_SUCCESS);
|
||||
lib_sysinfo.cbfs_ro_mcache_offset = 0;
|
||||
lib_sysinfo.cbfs_ro_mcache_size = 0;
|
||||
memset((void *)cbfs_get_boot_device(true), 0, sizeof(struct cbfs_boot_device));
|
||||
if (s->ex.init_ro) {
|
||||
set_fmap_locate_area_results((size_t)s->cbfs_ro_buf, s->cbfs_ro_size,
|
||||
CB_SUCCESS);
|
||||
lib_sysinfo.cbfs_ro_mcache_offset = s->mcache_ro_offset;
|
||||
lib_sysinfo.cbfs_ro_mcache_size = s->mcache_ro_size;
|
||||
}
|
||||
|
||||
lib_sysinfo.cbfs_offset = 0;
|
||||
lib_sysinfo.cbfs_size = 0;
|
||||
lib_sysinfo.cbfs_rw_mcache_offset = 0;
|
||||
lib_sysinfo.cbfs_rw_mcache_size = 0;
|
||||
memset((void *)cbfs_get_boot_device(false), 0, sizeof(struct cbfs_boot_device));
|
||||
if (s->ex.init_rw) {
|
||||
lib_sysinfo.cbfs_offset = (uint64_t)s->cbfs_rw_buf;
|
||||
lib_sysinfo.cbfs_size = s->cbfs_rw_size;
|
||||
lib_sysinfo.cbfs_rw_mcache_offset = s->mcache_rw_offset;
|
||||
lib_sysinfo.cbfs_rw_mcache_size = s->mcache_rw_size;
|
||||
}
|
||||
}
|
||||
|
||||
static int setup_cbfs_test(void **state)
|
||||
{
|
||||
struct cbfs_test_state *s = calloc(1, sizeof(*s));
|
||||
|
||||
if (!s)
|
||||
return 1;
|
||||
|
||||
if (*state)
|
||||
memcpy(&s->ex, *state, sizeof(s->ex));
|
||||
|
||||
if (s->ex.init_ro) {
|
||||
if (s->ex.unaligned) {
|
||||
s->cbfs_ro_buf = unaligned_cbfs_ro_buffer;
|
||||
s->cbfs_ro_size = unaligned_cbfs_ro_buffer_size;
|
||||
} else {
|
||||
s->cbfs_ro_buf = aligned_cbfs_ro_buffer;
|
||||
s->cbfs_ro_size = aligned_cbfs_ro_buffer_size;
|
||||
}
|
||||
}
|
||||
|
||||
if (s->ex.init_rw) {
|
||||
if (s->ex.unaligned) {
|
||||
s->cbfs_rw_buf = unaligned_cbfs_rw_buffer;
|
||||
s->cbfs_rw_size = unaligned_cbfs_rw_buffer_size;
|
||||
} else {
|
||||
s->cbfs_rw_buf = aligned_cbfs_rw_buffer;
|
||||
s->cbfs_rw_size = aligned_cbfs_rw_buffer_size;
|
||||
}
|
||||
}
|
||||
|
||||
*state = s;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int teardown_cbfs_test(void **state)
|
||||
{
|
||||
if (*state)
|
||||
free(*state);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Tests */
|
||||
|
||||
static void test_cbfs_boot_device_init(void **state)
|
||||
{
|
||||
const struct cbfs_boot_device *cbd = NULL;
|
||||
|
||||
/* No valid RO, should fail */
|
||||
set_fmap_locate_area_results(0, 0, CB_ERR);
|
||||
lib_sysinfo.cbfs_offset = 0;
|
||||
lib_sysinfo.cbfs_size = 0;
|
||||
lib_sysinfo.cbfs_rw_mcache_size = 0;
|
||||
lib_sysinfo.cbfs_rw_mcache_offset = 0;
|
||||
lib_sysinfo.cbfs_ro_mcache_offset = 0;
|
||||
lib_sysinfo.cbfs_ro_mcache_size = 0;
|
||||
assert_int_equal(NULL, cbfs_get_boot_device(true));
|
||||
assert_null(cbfs_ro_map("file", NULL));
|
||||
|
||||
/* Valid RO */
|
||||
set_fmap_locate_area_results(0x12345678, 0x90ABCDEF, CB_SUCCESS);
|
||||
lib_sysinfo.cbfs_ro_mcache_offset = 0x600D41C3;
|
||||
lib_sysinfo.cbfs_ro_mcache_size = 0xBADBEEFF;
|
||||
cbd = cbfs_get_boot_device(true);
|
||||
assert_non_null(cbd);
|
||||
assert_int_equal(0x12345678, cbd->dev.offset);
|
||||
assert_int_equal(0x90ABCDEF, cbd->dev.size);
|
||||
assert_int_equal(0xBADBEEFF, cbd->mcache_size);
|
||||
assert_int_equal(0x600D41C3, cbd->mcache);
|
||||
|
||||
lib_sysinfo.cbfs_offset = 0xAABBCCDD;
|
||||
lib_sysinfo.cbfs_size = 0x1000;
|
||||
lib_sysinfo.cbfs_rw_mcache_offset = 0x8F8F8F8F;
|
||||
lib_sysinfo.cbfs_rw_mcache_size = 0x500;
|
||||
cbd = cbfs_get_boot_device(false);
|
||||
assert_non_null(cbd);
|
||||
assert_int_equal(0xAABBCCDD, cbd->dev.offset);
|
||||
assert_int_equal(0x1000, cbd->dev.size);
|
||||
assert_int_equal(0x8F8F8F8F, cbd->mcache);
|
||||
assert_int_equal(0x500, cbd->mcache_size);
|
||||
}
|
||||
|
||||
/* This test checks cbfs_map() basic cases and covers only RW CBFS. */
|
||||
void test_cbfs_map(void **state)
|
||||
{
|
||||
struct cbfs_test_state *s = *state;
|
||||
void *mapping = NULL;
|
||||
size_t size_out = 0;
|
||||
const struct cbfs_test_file *cbfs_files[] = {
|
||||
&test_file_int_1, &test_file_2, NULL, &test_file_int_3,
|
||||
&test_file_int_2, NULL, NULL, &test_file_1,
|
||||
};
|
||||
uint8_t *cbfs_buf = NULL;
|
||||
size_t foffset = 0;
|
||||
|
||||
setup_cbfs_boot_device(s);
|
||||
cbfs_buf = s->cbfs_rw_buf;
|
||||
create_cbfs(cbfs_files, ARRAY_SIZE(cbfs_files), s->cbfs_rw_buf, s->cbfs_rw_size);
|
||||
|
||||
size_out = 0;
|
||||
foffset = get_created_cbfs_file_start_offset(cbfs_files, 0);
|
||||
expect_cbfs_lookup(TEST_DATA_INT_1_FILENAME, CB_SUCCESS,
|
||||
(const union cbfs_mdata *)&cbfs_buf[foffset],
|
||||
foffset + be32toh(test_file_int_1.header.offset));
|
||||
will_return(cbfs_find_attr, NULL);
|
||||
mapping = cbfs_map(TEST_DATA_INT_1_FILENAME, &size_out);
|
||||
assert_non_null(mapping);
|
||||
assert_int_equal(TEST_DATA_INT_1_SIZE, size_out);
|
||||
assert_memory_equal(test_data_int_1, mapping, TEST_DATA_INT_1_SIZE);
|
||||
cbfs_unmap(mapping);
|
||||
|
||||
size_out = 0;
|
||||
foffset = get_created_cbfs_file_start_offset(cbfs_files, 1);
|
||||
expect_cbfs_lookup(TEST_DATA_2_FILENAME, CB_SUCCESS,
|
||||
(const union cbfs_mdata *)&cbfs_buf[foffset],
|
||||
foffset + be32toh(test_file_2.header.offset));
|
||||
will_return(cbfs_find_attr, &test_file_2.attrs_and_data);
|
||||
expect_value(ulzman, srcn, TEST_DATA_2_SIZE);
|
||||
expect_value(ulzman, dstn, TEST_DATA_2_SIZE);
|
||||
mapping = cbfs_map(TEST_DATA_2_FILENAME, &size_out);
|
||||
assert_non_null(mapping);
|
||||
assert_int_equal(TEST_DATA_2_SIZE, size_out);
|
||||
assert_memory_equal(test_data_2, mapping, TEST_DATA_2_SIZE);
|
||||
cbfs_unmap(mapping);
|
||||
|
||||
size_out = 0;
|
||||
foffset = get_created_cbfs_file_start_offset(cbfs_files, 3);
|
||||
expect_cbfs_lookup(TEST_DATA_INT_3_FILENAME, CB_SUCCESS,
|
||||
(const union cbfs_mdata *)&cbfs_buf[foffset],
|
||||
foffset + be32toh(test_file_int_3.header.offset));
|
||||
will_return(cbfs_find_attr, &test_file_int_3.attrs_and_data);
|
||||
expect_value(ulz4fn, srcn, TEST_DATA_INT_3_SIZE);
|
||||
expect_value(ulz4fn, dstn, TEST_DATA_INT_3_SIZE);
|
||||
mapping = cbfs_map(TEST_DATA_INT_3_FILENAME, &size_out);
|
||||
assert_non_null(mapping);
|
||||
assert_int_equal(TEST_DATA_INT_3_SIZE, size_out);
|
||||
assert_memory_equal(test_data_int_3, mapping, TEST_DATA_INT_3_SIZE);
|
||||
cbfs_unmap(mapping);
|
||||
|
||||
size_out = 0;
|
||||
foffset = get_created_cbfs_file_start_offset(cbfs_files, 4);
|
||||
expect_cbfs_lookup(TEST_DATA_INT_2_FILENAME, CB_SUCCESS,
|
||||
(const union cbfs_mdata *)&cbfs_buf[foffset],
|
||||
foffset + be32toh(test_file_int_2.header.offset));
|
||||
will_return(cbfs_find_attr, NULL);
|
||||
mapping = cbfs_map(TEST_DATA_INT_2_FILENAME, &size_out);
|
||||
assert_non_null(mapping);
|
||||
assert_int_equal(TEST_DATA_INT_2_SIZE, size_out);
|
||||
assert_memory_equal(test_data_int_2, mapping, TEST_DATA_INT_2_SIZE);
|
||||
cbfs_unmap(mapping);
|
||||
|
||||
size_out = 0;
|
||||
foffset = get_created_cbfs_file_start_offset(cbfs_files, 7);
|
||||
expect_cbfs_lookup(TEST_DATA_1_FILENAME, CB_SUCCESS,
|
||||
(const union cbfs_mdata *)&cbfs_buf[foffset],
|
||||
foffset + be32toh(test_file_1.header.offset));
|
||||
will_return(cbfs_find_attr, NULL);
|
||||
mapping = cbfs_map(TEST_DATA_1_FILENAME, &size_out);
|
||||
assert_non_null(mapping);
|
||||
assert_int_equal(TEST_DATA_1_SIZE, size_out);
|
||||
assert_memory_equal(test_data_1, mapping, TEST_DATA_1_SIZE);
|
||||
cbfs_unmap(mapping);
|
||||
|
||||
size_out = 0;
|
||||
expect_cbfs_lookup("invalid_file", CB_CBFS_NOT_FOUND, 0, 0);
|
||||
if (s->ex.init_rw && CONFIG(LP_ENABLE_CBFS_FALLBACK))
|
||||
expect_cbfs_lookup("invalid_file", CB_CBFS_NOT_FOUND, 0, 0);
|
||||
mapping = cbfs_map("invalid_file", &size_out);
|
||||
assert_null(mapping);
|
||||
}
|
||||
|
||||
static void test_cbfs_invalid_compression_algo(void **state)
|
||||
{
|
||||
struct cbfs_test_state *s = *state;
|
||||
void *mapping = NULL;
|
||||
size_t size_out = 0;
|
||||
uint8_t *cbfs_buf = NULL;
|
||||
struct cbfs_test_file *f;
|
||||
struct cbfs_file_attr_compression *comp;
|
||||
const struct cbfs_test_file *cbfs_files[] = {
|
||||
&test_file_2,
|
||||
};
|
||||
|
||||
setup_cbfs_boot_device(s);
|
||||
cbfs_buf = s->cbfs_rw_buf;
|
||||
create_cbfs(cbfs_files, ARRAY_SIZE(cbfs_files), s->cbfs_rw_buf, s->cbfs_rw_size);
|
||||
|
||||
f = (struct cbfs_test_file *)cbfs_buf;
|
||||
comp = (struct cbfs_file_attr_compression *)&f->attrs_and_data[0];
|
||||
comp->compression = 0xFFFFFFF0;
|
||||
|
||||
size_out = 0;
|
||||
expect_cbfs_lookup(TEST_DATA_2_FILENAME, CB_SUCCESS, (const union cbfs_mdata *)cbfs_buf,
|
||||
be32toh(test_file_1.header.offset));
|
||||
will_return(cbfs_find_attr, comp);
|
||||
mapping = cbfs_map(TEST_DATA_2_FILENAME, &size_out);
|
||||
assert_null(mapping);
|
||||
}
|
||||
|
||||
static void test_cbfs_io_error(void **state)
|
||||
{
|
||||
struct cbfs_test_state *s = *state;
|
||||
setup_cbfs_boot_device(s);
|
||||
|
||||
expect_cbfs_lookup(TEST_DATA_1_FILENAME, CB_CBFS_IO, 0, 0);
|
||||
assert_null(cbfs_map(TEST_DATA_1_FILENAME, NULL));
|
||||
}
|
||||
|
||||
static void test_cbfs_successful_fallback_to_ro(void **state)
|
||||
{
|
||||
struct cbfs_test_state *s = *state;
|
||||
void *mapping = NULL;
|
||||
size_t size_out = 0;
|
||||
const struct cbfs_test_file *cbfs_files[] = {
|
||||
&test_file_1, &test_file_2, &test_file_int_1,
|
||||
&test_file_int_1, &test_file_int_2, &test_file_int_3,
|
||||
};
|
||||
uint8_t *cbfs_buf = NULL;
|
||||
size_t foffset = 0;
|
||||
|
||||
if (!CONFIG(LP_ENABLE_CBFS_FALLBACK)) {
|
||||
print_message("Skipping test, because LP_ENABLE_CBFS_FALLBACK == 0\n");
|
||||
skip();
|
||||
}
|
||||
|
||||
setup_cbfs_boot_device(s);
|
||||
cbfs_buf = s->cbfs_ro_buf;
|
||||
create_cbfs(cbfs_files, ARRAY_SIZE(cbfs_files), s->cbfs_ro_buf, s->cbfs_ro_size);
|
||||
if (s->ex.init_rw)
|
||||
create_cbfs(cbfs_files, ARRAY_SIZE(cbfs_files) - 2, s->cbfs_rw_buf,
|
||||
s->cbfs_rw_size);
|
||||
|
||||
size_out = 0;
|
||||
foffset = get_created_cbfs_file_start_offset(cbfs_files, 1);
|
||||
expect_cbfs_lookup(TEST_DATA_2_FILENAME, CB_CBFS_NOT_FOUND, 0, 0);
|
||||
expect_cbfs_lookup(TEST_DATA_2_FILENAME, CB_SUCCESS,
|
||||
(const union cbfs_mdata *)&cbfs_buf[foffset],
|
||||
foffset + be32toh(test_file_2.header.offset));
|
||||
will_return(cbfs_find_attr, &test_file_2.attrs_and_data);
|
||||
expect_value(ulzman, srcn, TEST_DATA_2_SIZE);
|
||||
expect_value(ulzman, dstn, TEST_DATA_2_SIZE);
|
||||
mapping = cbfs_map(TEST_DATA_2_FILENAME, &size_out);
|
||||
assert_non_null(mapping);
|
||||
assert_int_equal(TEST_DATA_2_SIZE, size_out);
|
||||
assert_memory_equal(test_data_2, mapping, TEST_DATA_2_SIZE);
|
||||
cbfs_unmap(mapping);
|
||||
|
||||
size_out = 0;
|
||||
foffset = get_created_cbfs_file_start_offset(cbfs_files, 5);
|
||||
expect_cbfs_lookup(TEST_DATA_INT_3_FILENAME, CB_CBFS_NOT_FOUND, 0, 0);
|
||||
expect_cbfs_lookup(TEST_DATA_INT_3_FILENAME, CB_SUCCESS,
|
||||
(const union cbfs_mdata *)&cbfs_buf[foffset],
|
||||
foffset + be32toh(test_file_int_3.header.offset));
|
||||
will_return(cbfs_find_attr, &test_file_int_3.attrs_and_data);
|
||||
expect_value(ulz4fn, srcn, TEST_DATA_INT_3_SIZE);
|
||||
expect_value(ulz4fn, dstn, TEST_DATA_INT_3_SIZE);
|
||||
mapping = cbfs_map(TEST_DATA_INT_3_FILENAME, &size_out);
|
||||
assert_non_null(mapping);
|
||||
assert_int_equal(TEST_DATA_INT_3_SIZE, size_out);
|
||||
assert_memory_equal(test_data_int_3, mapping, TEST_DATA_INT_3_SIZE);
|
||||
cbfs_unmap(mapping);
|
||||
}
|
||||
|
||||
static void test_cbfs_load(void **state)
|
||||
{
|
||||
struct cbfs_test_state *s = *state;
|
||||
size_t size_out = 0;
|
||||
const struct cbfs_test_file *cbfs_files[] = {
|
||||
&test_file_int_1, &test_file_2, NULL, &test_file_int_3,
|
||||
&test_file_int_2, NULL, NULL, &test_file_1,
|
||||
};
|
||||
uint8_t *cbfs_buf = NULL;
|
||||
uint8_t load_buf[1 * KiB];
|
||||
size_t foffset = 0;
|
||||
|
||||
setup_cbfs_boot_device(s);
|
||||
cbfs_buf = s->cbfs_rw_buf;
|
||||
create_cbfs(cbfs_files, ARRAY_SIZE(cbfs_files), s->cbfs_rw_buf, s->cbfs_rw_size);
|
||||
|
||||
/* Successful load */
|
||||
size_out = 0;
|
||||
foffset = get_created_cbfs_file_start_offset(cbfs_files, 0);
|
||||
expect_cbfs_lookup(TEST_DATA_INT_1_FILENAME, CB_SUCCESS,
|
||||
(const union cbfs_mdata *)&cbfs_buf[foffset],
|
||||
foffset + be32toh(test_file_int_1.header.offset));
|
||||
will_return(cbfs_find_attr, NULL);
|
||||
size_out = cbfs_load(TEST_DATA_INT_1_FILENAME, load_buf, sizeof(load_buf));
|
||||
assert_int_equal(TEST_DATA_INT_1_SIZE, size_out);
|
||||
assert_memory_equal(test_data_int_1, load_buf, TEST_DATA_INT_1_SIZE);
|
||||
|
||||
/* Buffer too small */
|
||||
size_out = 0;
|
||||
foffset = get_created_cbfs_file_start_offset(cbfs_files, 7);
|
||||
expect_cbfs_lookup(TEST_DATA_1_FILENAME, CB_SUCCESS,
|
||||
(const union cbfs_mdata *)&cbfs_buf[foffset],
|
||||
foffset + be32toh(test_file_1.header.offset));
|
||||
will_return(cbfs_find_attr, NULL);
|
||||
size_out = cbfs_load(TEST_DATA_1_FILENAME, load_buf, TEST_DATA_1_SIZE / 2);
|
||||
assert_int_equal(0, size_out);
|
||||
}
|
||||
|
||||
static void test_cbfs_map_with_mcache(void **state)
|
||||
{
|
||||
struct cbfs_test_state *s = *state;
|
||||
void *mapping = NULL;
|
||||
size_t size_out = 0;
|
||||
const struct cbfs_test_file *cbfs_files[] = {
|
||||
&test_file_int_2, &test_file_1, NULL,
|
||||
&test_file_int_3, &test_file_int_1, &test_file_2,
|
||||
};
|
||||
uint8_t *cbfs_buf = NULL;
|
||||
size_t foffset = 0;
|
||||
|
||||
/* Will not be accessed, just needs to be valid. */
|
||||
s->mcache_ro_offset = ALIGN_UP(0x1000, CBFS_MCACHE_ALIGNMENT);
|
||||
s->mcache_ro_size = ALIGN_UP(0x500, CBFS_MCACHE_ALIGNMENT);
|
||||
s->mcache_rw_offset = ALIGN_UP(0x3000, CBFS_MCACHE_ALIGNMENT);
|
||||
s->mcache_rw_size = ALIGN_UP(0x600, CBFS_MCACHE_ALIGNMENT);
|
||||
setup_cbfs_boot_device(s);
|
||||
cbfs_buf = s->cbfs_rw_buf;
|
||||
create_cbfs(cbfs_files, ARRAY_SIZE(cbfs_files), s->cbfs_rw_buf, s->cbfs_rw_size);
|
||||
|
||||
size_out = 0;
|
||||
foffset = get_created_cbfs_file_start_offset(cbfs_files, 4);
|
||||
expect_cbfs_mcache_lookup(TEST_DATA_INT_1_FILENAME, CB_SUCCESS,
|
||||
(const union cbfs_mdata *)&cbfs_buf[foffset],
|
||||
foffset + be32toh(test_file_int_1.header.offset));
|
||||
will_return(cbfs_find_attr, NULL);
|
||||
mapping = cbfs_map(TEST_DATA_INT_1_FILENAME, &size_out);
|
||||
assert_non_null(mapping);
|
||||
assert_int_equal(TEST_DATA_INT_1_SIZE, size_out);
|
||||
assert_memory_equal(test_data_int_1, mapping, TEST_DATA_INT_1_SIZE);
|
||||
cbfs_unmap(mapping);
|
||||
}
|
||||
|
||||
static void test_cbfs_boot_device_read_failure(void **state)
|
||||
{
|
||||
struct cbfs_test_state *s = *state;
|
||||
void *mapping = NULL;
|
||||
size_t size_out = 0;
|
||||
const struct cbfs_test_file *cbfs_files[] = {
|
||||
&test_file_int_3, &test_file_1, NULL,
|
||||
&test_file_int_3, &test_file_int_1, &test_file_2,
|
||||
};
|
||||
uint8_t *cbfs_buf = NULL;
|
||||
size_t foffset = 0;
|
||||
|
||||
setup_cbfs_boot_device(s);
|
||||
cbfs_buf = s->cbfs_rw_buf;
|
||||
create_cbfs(cbfs_files, ARRAY_SIZE(cbfs_files), s->cbfs_rw_buf, s->cbfs_rw_size);
|
||||
|
||||
size_out = 0;
|
||||
foffset = get_created_cbfs_file_start_offset(cbfs_files, 1);
|
||||
expect_cbfs_lookup(TEST_DATA_1_FILENAME, CB_SUCCESS,
|
||||
(const union cbfs_mdata *)&cbfs_buf[foffset],
|
||||
foffset + be32toh(test_file_1.header.offset));
|
||||
will_return(cbfs_find_attr, NULL);
|
||||
force_single_boot_device_size_failure = true;
|
||||
mapping = cbfs_map(TEST_DATA_1_FILENAME, &size_out);
|
||||
assert_null(mapping);
|
||||
}
|
||||
|
||||
|
||||
#define TEST_CBFS_NAME_ALIGN_RO_RW(fn, test_name, enable_unaligned, enable_init_ro, \
|
||||
enable_init_rw) \
|
||||
((struct CMUnitTest){ \
|
||||
.name = (test_name), \
|
||||
.test_func = (fn), \
|
||||
.setup_func = setup_cbfs_test, \
|
||||
.teardown_func = teardown_cbfs_test, \
|
||||
.initial_state = \
|
||||
&(struct cbfs_test_setup){ \
|
||||
.unaligned = enable_unaligned, \
|
||||
.init_ro = enable_init_ro, \
|
||||
.init_rw = enable_init_rw, \
|
||||
}, \
|
||||
})
|
||||
|
||||
#define TEST_CBFS_LOOKUP(fn) \
|
||||
EMPTY_WRAP(TEST_CBFS_NAME_ALIGN_RO_RW(fn, #fn ", RW, aligned", false, false, true), \
|
||||
TEST_CBFS_NAME_ALIGN_RO_RW(fn, #fn ", RW, unaligned", true, false, true))
|
||||
|
||||
#define TEST_CBFS_RO_FALLBACK(fn) \
|
||||
EMPTY_WRAP(TEST_CBFS_NAME_ALIGN_RO_RW(fn, #fn ", RW+RO, aligned", false, true, true), \
|
||||
TEST_CBFS_NAME_ALIGN_RO_RW(fn, #fn ", RW+RO, unaligned", true, true, true), \
|
||||
TEST_CBFS_NAME_ALIGN_RO_RW(fn, #fn ", RO, aligned", false, true, false), \
|
||||
TEST_CBFS_NAME_ALIGN_RO_RW(fn, #fn ", RO, unaligned", true, true, false))
|
||||
|
||||
|
||||
int main(void)
|
||||
{
|
||||
const struct CMUnitTest tests[] = {
|
||||
cmocka_unit_test(test_cbfs_boot_device_init),
|
||||
TEST_CBFS_LOOKUP(test_cbfs_map),
|
||||
TEST_CBFS_LOOKUP(test_cbfs_invalid_compression_algo),
|
||||
TEST_CBFS_LOOKUP(test_cbfs_io_error),
|
||||
TEST_CBFS_RO_FALLBACK(test_cbfs_successful_fallback_to_ro),
|
||||
TEST_CBFS_LOOKUP(test_cbfs_load),
|
||||
TEST_CBFS_LOOKUP(test_cbfs_map_with_mcache),
|
||||
TEST_CBFS_LOOKUP(test_cbfs_boot_device_read_failure),
|
||||
};
|
||||
|
||||
return lp_run_group_tests(tests, NULL, NULL);
|
||||
}
|
|
@ -0,0 +1,247 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
|
||||
#include <cbfs.h>
|
||||
#include <cbfs_glue.h>
|
||||
#include <string.h>
|
||||
#include <mocks/cbfs_util.h>
|
||||
#include <tests/test.h>
|
||||
|
||||
#include "../libcbfs/cbfs.c"
|
||||
|
||||
/* Mocks */
|
||||
|
||||
unsigned long virtual_offset = 0;
|
||||
struct sysinfo_t lib_sysinfo;
|
||||
|
||||
size_t vb2_digest_size(enum vb2_hash_algorithm hash_alg)
|
||||
{
|
||||
if (hash_alg != VB2_HASH_SHA256) {
|
||||
fail_msg("Unsupported hash algorithm: %d\n", hash_alg);
|
||||
return 0;
|
||||
}
|
||||
|
||||
return VB2_SHA256_DIGEST_SIZE;
|
||||
}
|
||||
|
||||
vb2_error_t vb2_hash_verify(const void *buf, uint32_t size, const struct vb2_hash *hash)
|
||||
{
|
||||
check_expected_ptr(buf);
|
||||
check_expected(size);
|
||||
|
||||
assert_int_equal(hash->algo, VB2_HASH_SHA256);
|
||||
|
||||
if (!memcmp(hash->sha256, good_hash, sizeof(good_hash)))
|
||||
return VB2_SUCCESS;
|
||||
|
||||
if (!memcmp(hash->sha256, bad_hash, sizeof(bad_hash)))
|
||||
return VB2_ERROR_SHA_MISMATCH;
|
||||
|
||||
fail_msg("%s called with bad hash", __func__);
|
||||
return VB2_ERROR_SHA_MISMATCH;
|
||||
}
|
||||
|
||||
unsigned long ulzman(const unsigned char *src, unsigned long srcn, unsigned char *dst,
|
||||
unsigned long dstn)
|
||||
{
|
||||
fail_msg("Unexpected call to %s", __func__);
|
||||
return 0;
|
||||
}
|
||||
|
||||
size_t ulz4fn(const void *src, size_t srcn, void *dst, size_t dstn)
|
||||
{
|
||||
fail_msg("Unexpected call to %s", __func__);
|
||||
return 0;
|
||||
}
|
||||
|
||||
cb_err_t cbfs_mcache_lookup(const void *mcache, size_t mcache_size, const char *name,
|
||||
union cbfs_mdata *mdata_out, size_t *data_offset_out)
|
||||
{
|
||||
return CB_CBFS_CACHE_FULL;
|
||||
}
|
||||
|
||||
cb_err_t cbfs_lookup(cbfs_dev_t dev, const char *name, union cbfs_mdata *mdata_out,
|
||||
size_t *data_offset_out, struct vb2_hash *metadata_hash)
|
||||
{
|
||||
assert_non_null(dev);
|
||||
check_expected(name);
|
||||
|
||||
cb_err_t ret = mock_type(cb_err_t);
|
||||
if (ret != CB_SUCCESS)
|
||||
return ret;
|
||||
|
||||
memcpy(mdata_out, mock_ptr_type(const union cbfs_mdata *), sizeof(union cbfs_mdata));
|
||||
*data_offset_out = mock_type(size_t);
|
||||
return CB_SUCCESS;
|
||||
}
|
||||
|
||||
static void expect_cbfs_lookup(const char *name, cb_err_t err, const union cbfs_mdata *mdata,
|
||||
size_t data_offset_out)
|
||||
{
|
||||
expect_string(cbfs_lookup, name, name);
|
||||
will_return(cbfs_lookup, err);
|
||||
|
||||
if (err == CB_SUCCESS) {
|
||||
will_return(cbfs_lookup, mdata);
|
||||
will_return(cbfs_lookup, data_offset_out);
|
||||
}
|
||||
}
|
||||
|
||||
const void *cbfs_find_attr(const union cbfs_mdata *mdata, uint32_t attr_tag, size_t size_check)
|
||||
{
|
||||
return mock_ptr_type(void *);
|
||||
}
|
||||
|
||||
cb_err_t fmap_locate_area(const char *name, size_t *offset, size_t *size)
|
||||
{
|
||||
*offset = 0;
|
||||
*size = 0;
|
||||
return CB_SUCCESS;
|
||||
}
|
||||
|
||||
ssize_t boot_device_read(void *buf, size_t offset, size_t size)
|
||||
{
|
||||
/* Offset should be based on an address from lib_sysinfo.cbfs_offset */
|
||||
memcpy(buf, (void *)offset, size);
|
||||
|
||||
return size;
|
||||
}
|
||||
|
||||
const struct vb2_hash *cbfs_file_hash(const union cbfs_mdata *mdata)
|
||||
{
|
||||
return mock_ptr_type(const struct vb2_hash *);
|
||||
}
|
||||
|
||||
/* Utils */
|
||||
|
||||
static void clear_cbfs_boot_devices(void)
|
||||
{
|
||||
lib_sysinfo.cbfs_ro_mcache_offset = 0;
|
||||
lib_sysinfo.cbfs_ro_mcache_size = 0;
|
||||
lib_sysinfo.cbfs_offset = 0;
|
||||
lib_sysinfo.cbfs_size = 0;
|
||||
lib_sysinfo.cbfs_rw_mcache_offset = 0;
|
||||
lib_sysinfo.cbfs_rw_mcache_size = 0;
|
||||
memset((void *)cbfs_get_boot_device(true), 0, sizeof(struct cbfs_boot_device));
|
||||
memset((void *)cbfs_get_boot_device(false), 0, sizeof(struct cbfs_boot_device));
|
||||
}
|
||||
|
||||
void set_cbfs(uint64_t offset, size_t size)
|
||||
{
|
||||
clear_cbfs_boot_devices();
|
||||
lib_sysinfo.cbfs_offset = offset;
|
||||
lib_sysinfo.cbfs_size = size;
|
||||
}
|
||||
|
||||
/* Tests */
|
||||
|
||||
static int setup_test_cbfs(void **state)
|
||||
{
|
||||
clear_cbfs_boot_devices();
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void test_cbfs_map_no_hash(void **state)
|
||||
{
|
||||
void *mapping = NULL;
|
||||
size_t size = 0;
|
||||
|
||||
set_cbfs((uint64_t)&file_no_hash, sizeof(file_no_hash));
|
||||
|
||||
expect_cbfs_lookup(TEST_DATA_1_FILENAME, CB_SUCCESS,
|
||||
(const union cbfs_mdata *)&file_no_hash,
|
||||
be32toh(file_no_hash.header.offset));
|
||||
will_return(cbfs_find_attr, NULL);
|
||||
|
||||
if (CONFIG(LP_CBFS_VERIFICATION)) {
|
||||
/* File with no hash. No hash causes hash mismatch by default,
|
||||
so mapping will not be completed successfully. */
|
||||
will_return(cbfs_file_hash, NULL);
|
||||
mapping = cbfs_map(TEST_DATA_1_FILENAME, NULL);
|
||||
assert_null(mapping);
|
||||
} else {
|
||||
mapping = cbfs_map(TEST_DATA_1_FILENAME, &size);
|
||||
assert_non_null(mapping);
|
||||
assert_int_equal(TEST_DATA_1_SIZE, size);
|
||||
assert_memory_equal(test_data_1, mapping, size);
|
||||
cbfs_unmap(mapping);
|
||||
}
|
||||
}
|
||||
|
||||
static void test_cbfs_map_valid_hash(void **state)
|
||||
{
|
||||
void *mapping = NULL;
|
||||
size_t size = 0;
|
||||
struct vb2_hash hash = {
|
||||
.algo = VB2_HASH_SHA256,
|
||||
};
|
||||
memcpy(&hash.sha256, good_hash, VB2_SHA256_DIGEST_SIZE);
|
||||
|
||||
set_cbfs((uint64_t)&file_valid_hash, sizeof(file_valid_hash));
|
||||
|
||||
expect_cbfs_lookup(TEST_DATA_1_FILENAME, CB_SUCCESS,
|
||||
(const union cbfs_mdata *)&file_valid_hash,
|
||||
be32toh(file_valid_hash.header.offset));
|
||||
will_return(cbfs_find_attr, NULL);
|
||||
|
||||
|
||||
if (CONFIG(LP_CBFS_VERIFICATION)) {
|
||||
will_return(cbfs_file_hash, &hash);
|
||||
expect_memory(vb2_hash_verify, buf,
|
||||
&file_valid_hash.attrs_and_data[HASH_ATTR_SIZE], HASH_ATTR_SIZE);
|
||||
expect_value(vb2_hash_verify, size, TEST_DATA_1_SIZE);
|
||||
mapping = cbfs_map(TEST_DATA_1_FILENAME, &size);
|
||||
assert_non_null(mapping);
|
||||
assert_int_equal(TEST_DATA_1_SIZE, size);
|
||||
assert_memory_equal(mapping, &file_valid_hash.attrs_and_data[HASH_ATTR_SIZE],
|
||||
size);
|
||||
} else {
|
||||
mapping = cbfs_map(TEST_DATA_1_FILENAME, &size);
|
||||
assert_non_null(mapping);
|
||||
assert_int_equal(TEST_DATA_1_SIZE, size);
|
||||
assert_memory_equal(test_data_1, mapping, size);
|
||||
cbfs_unmap(mapping);
|
||||
}
|
||||
}
|
||||
|
||||
static void test_cbfs_map_invalid_hash(void **state)
|
||||
{
|
||||
void *mapping = NULL;
|
||||
size_t size = 0;
|
||||
struct vb2_hash hash = {
|
||||
.algo = VB2_HASH_SHA256,
|
||||
};
|
||||
memcpy(&hash.sha256, bad_hash, VB2_SHA256_DIGEST_SIZE);
|
||||
|
||||
set_cbfs((uint64_t)&file_broken_hash, sizeof(file_broken_hash));
|
||||
|
||||
expect_cbfs_lookup(TEST_DATA_1_FILENAME, CB_SUCCESS,
|
||||
(const union cbfs_mdata *)&file_broken_hash,
|
||||
be32toh(file_broken_hash.header.offset));
|
||||
will_return(cbfs_find_attr, NULL);
|
||||
|
||||
if (CONFIG(LP_CBFS_VERIFICATION)) {
|
||||
will_return(cbfs_file_hash, &hash);
|
||||
expect_memory(vb2_hash_verify, buf,
|
||||
&file_broken_hash.attrs_and_data[HASH_ATTR_SIZE], HASH_ATTR_SIZE);
|
||||
expect_value(vb2_hash_verify, size, TEST_DATA_1_SIZE);
|
||||
mapping = cbfs_map(TEST_DATA_1_FILENAME, NULL);
|
||||
assert_null(mapping);
|
||||
} else {
|
||||
mapping = cbfs_map(TEST_DATA_1_FILENAME, &size);
|
||||
assert_non_null(mapping);
|
||||
assert_int_equal(TEST_DATA_1_SIZE, size);
|
||||
assert_memory_equal(test_data_1, mapping, size);
|
||||
cbfs_unmap(mapping);
|
||||
}
|
||||
}
|
||||
|
||||
int main(void)
|
||||
{
|
||||
const struct CMUnitTest tests[] = {
|
||||
cmocka_unit_test_setup(test_cbfs_map_no_hash, setup_test_cbfs),
|
||||
cmocka_unit_test_setup(test_cbfs_map_valid_hash, setup_test_cbfs),
|
||||
cmocka_unit_test_setup(test_cbfs_map_invalid_hash, setup_test_cbfs),
|
||||
};
|
||||
|
||||
return lp_run_group_tests(tests, NULL, NULL);
|
||||
}
|
|
@ -0,0 +1,95 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
|
||||
#include <mocks/cbfs_util.h>
|
||||
|
||||
|
||||
const u8 test_data_1[TEST_DATA_1_SIZE] = { TEST_DATA_1 };
|
||||
const u8 test_data_2[TEST_DATA_2_SIZE] = { TEST_DATA_2 };
|
||||
const u8 test_data_int_1[TEST_DATA_INT_1_SIZE] = { LE64(TEST_DATA_INT_1) };
|
||||
const u8 test_data_int_2[TEST_DATA_INT_2_SIZE] = { LE64(TEST_DATA_INT_2) };
|
||||
const u8 test_data_int_3[TEST_DATA_INT_3_SIZE] = { LE64(TEST_DATA_INT_3) };
|
||||
|
||||
const u8 good_hash[VB2_SHA256_DIGEST_SIZE] = { TEST_SHA256 };
|
||||
const u8 bad_hash[VB2_SHA256_DIGEST_SIZE] = { INVALID_SHA256 };
|
||||
|
||||
const struct cbfs_test_file file_no_hash = {
|
||||
.header = HEADER_INITIALIZER(CBFS_TYPE_RAW, 0, TEST_DATA_1_SIZE),
|
||||
.filename = TEST_DATA_1_FILENAME,
|
||||
.attrs_and_data = {
|
||||
TEST_DATA_1,
|
||||
},
|
||||
};
|
||||
|
||||
const struct cbfs_test_file file_valid_hash = {
|
||||
.header = HEADER_INITIALIZER(CBFS_TYPE_RAW, HASH_ATTR_SIZE, TEST_DATA_1_SIZE),
|
||||
.filename = TEST_DATA_1_FILENAME,
|
||||
.attrs_and_data = {
|
||||
BE32(CBFS_FILE_ATTR_TAG_HASH),
|
||||
BE32(HASH_ATTR_SIZE),
|
||||
BE32(VB2_HASH_SHA256),
|
||||
TEST_SHA256,
|
||||
TEST_DATA_1,
|
||||
},
|
||||
};
|
||||
|
||||
const struct cbfs_test_file file_broken_hash = {
|
||||
.header = HEADER_INITIALIZER(CBFS_TYPE_RAW, HASH_ATTR_SIZE, TEST_DATA_1_SIZE),
|
||||
.filename = TEST_DATA_1_FILENAME,
|
||||
.attrs_and_data = {
|
||||
BE32(CBFS_FILE_ATTR_TAG_HASH),
|
||||
BE32(HASH_ATTR_SIZE),
|
||||
BE32(VB2_HASH_SHA256),
|
||||
INVALID_SHA256,
|
||||
TEST_DATA_1,
|
||||
},
|
||||
};
|
||||
|
||||
const struct cbfs_test_file test_file_1 = {
|
||||
.header = HEADER_INITIALIZER(CBFS_TYPE_RAW, 0, TEST_DATA_1_SIZE),
|
||||
.filename = TEST_DATA_1_FILENAME,
|
||||
.attrs_and_data = {
|
||||
TEST_DATA_1,
|
||||
},
|
||||
};
|
||||
|
||||
const struct cbfs_test_file test_file_2 = {
|
||||
.header = HEADER_INITIALIZER(CBFS_TYPE_RAW, sizeof(struct cbfs_file_attr_compression),
|
||||
TEST_DATA_2_SIZE),
|
||||
.filename = TEST_DATA_2_FILENAME,
|
||||
.attrs_and_data = {
|
||||
BE32(CBFS_FILE_ATTR_TAG_COMPRESSION),
|
||||
BE32(sizeof(struct cbfs_file_attr_compression)),
|
||||
BE32(CBFS_COMPRESS_LZMA),
|
||||
BE32(TEST_DATA_2_SIZE),
|
||||
TEST_DATA_2,
|
||||
},
|
||||
};
|
||||
|
||||
const struct cbfs_test_file test_file_int_1 = {
|
||||
.header = HEADER_INITIALIZER(CBFS_TYPE_RAW, 0, TEST_DATA_INT_1_SIZE),
|
||||
.filename = TEST_DATA_INT_1_FILENAME,
|
||||
.attrs_and_data = {
|
||||
LE64(TEST_DATA_INT_1),
|
||||
},
|
||||
};
|
||||
|
||||
const struct cbfs_test_file test_file_int_2 = {
|
||||
.header = HEADER_INITIALIZER(CBFS_TYPE_RAW, 0, TEST_DATA_INT_2_SIZE),
|
||||
.filename = TEST_DATA_INT_2_FILENAME,
|
||||
.attrs_and_data = {
|
||||
LE64(TEST_DATA_INT_2),
|
||||
},
|
||||
};
|
||||
|
||||
const struct cbfs_test_file test_file_int_3 = {
|
||||
.header = HEADER_INITIALIZER(CBFS_TYPE_RAW, sizeof(struct cbfs_file_attr_compression),
|
||||
TEST_DATA_INT_3_SIZE),
|
||||
.filename = TEST_DATA_INT_3_FILENAME,
|
||||
.attrs_and_data = {
|
||||
BE32(CBFS_FILE_ATTR_TAG_COMPRESSION),
|
||||
BE32(sizeof(struct cbfs_file_attr_compression)),
|
||||
BE32(CBFS_COMPRESS_LZ4),
|
||||
BE32(TEST_DATA_INT_3_SIZE),
|
||||
LE64(TEST_DATA_INT_3),
|
||||
},
|
||||
};
|
|
@ -0,0 +1,16 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
|
||||
#include <tests/test.h>
|
||||
#include <stdbool.h>
|
||||
|
||||
void die_work(const char *file, const char *func, int line, const char *fmt, ...)
|
||||
{
|
||||
/* Failing asserts are jumping to the user code (test) if expect_assert_failed() was
|
||||
previously called. Otherwise it jumps to the cmocka code and fails the test. */
|
||||
mock_assert(false, "Mock assetion called", file, line);
|
||||
|
||||
/* Should never be reached */
|
||||
print_error("%s() called...\n", __func__);
|
||||
while (1)
|
||||
;
|
||||
}
|
Loading…
Reference in New Issue