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Merge changes from topic "gpt-crc" into integration

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* changes:
  feat(partition): verify crc while loading gpt header
  build(hikey): platform changes for verifying gpt header crc
  build(agilex): platform changes for verifying gpt header crc
  build(stratix10): platform changes for verifying gpt header crc
  build(stm32mp1): platform changes for verifying gpt header crc
This commit is contained in:
Madhukar Pappireddy 2022-05-19 16:04:39 +02:00 • committed by TrustedFirmware Code Review
commit be1d3a1a85
7 changed files with 46 additions and 7 deletions
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23
drivers/partition/partition.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2016-2022, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -10,6 +10,7 @@
#include <string.h>
#include <common/debug.h>
#include <common/tf_crc32.h>
#include <drivers/io/io_storage.h>
#include <drivers/partition/efi.h>
#include <drivers/partition/partition.h>
@ -76,7 +77,7 @@ static int load_mbr_header(uintptr_t image_handle, mbr_entry_t *mbr_entry)
}
/*
* Load GPT header and check the GPT signature.
* Load GPT header and check the GPT signature and header CRC.
* If partition numbers could be found, check & update it.
*/
static int load_gpt_header(uintptr_t image_handle)
@ -84,6 +85,7 @@ static int load_gpt_header(uintptr_t image_handle)
gpt_header_t header;
size_t bytes_read;
int result;
uint32_t header_crc, calc_crc;
result = io_seek(image_handle, IO_SEEK_SET, GPT_HEADER_OFFSET);
if (result != 0) {
@ -99,6 +101,23 @@ static int load_gpt_header(uintptr_t image_handle)
return -EINVAL;
}
/*
* UEFI Spec 2.8 March 2019 Page 119: HeaderCRC32 value is
* computed by setting this field to 0, and computing the
* 32-bit CRC for HeaderSize bytes.
*/
header_crc = header.header_crc;
header.header_crc = 0U;
calc_crc = tf_crc32(0U, (uint8_t *)&header, DEFAULT_GPT_HEADER_SIZE);
if (header_crc != calc_crc) {
ERROR("Invalid GPT Header CRC: Expected 0x%x but got 0x%x.\n",
header_crc, calc_crc);
return -EINVAL;
}
header.header_crc = header_crc;
/* partition numbers can't exceed PLAT_PARTITION_MAX_ENTRIES */
list.entry_count = header.list_num;
if (list.entry_count > PLAT_PARTITION_MAX_ENTRIES) {

4
include/drivers/partition/partition.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2016-2022, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -29,6 +29,8 @@ CASSERT((PLAT_PARTITION_BLOCK_SIZE == 512) ||
#define LEGACY_PARTITION_BLOCK_SIZE 512
#define DEFAULT_GPT_HEADER_SIZE 92
typedef struct partition_entry {
uint64_t start;
uint64_t length;

6
plat/hisilicon/hikey/platform.mk
View file

@ -1,5 +1,5 @@
#
# Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
# Copyright (c) 2017-2022, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
@ -95,6 +95,10 @@ ifeq (${SPD},opteed)
BL2_SOURCES += lib/optee/optee_utils.c
endif
include lib/zlib/zlib.mk
PLAT_INCLUDES += -Ilib/zlib
BL2_SOURCES += $(ZLIB_SOURCES)
HIKEY_GIC_SOURCES := drivers/arm/gic/common/gic_common.c \
drivers/arm/gic/v2/gicv2_main.c \
drivers/arm/gic/v2/gicv2_helpers.c \

6
plat/hisilicon/hikey960/platform.mk
View file

@ -1,5 +1,5 @@
#
# Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
# Copyright (c) 2017-2022, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
@ -94,6 +94,10 @@ ifeq (${SPD},opteed)
BL2_SOURCES += lib/optee/optee_utils.c
endif
include lib/zlib/zlib.mk
PLAT_INCLUDES += -Ilib/zlib
BL2_SOURCES += $(ZLIB_SOURCES)
BL31_SOURCES += drivers/arm/cci/cci.c \
drivers/arm/pl061/pl061_gpio.c \
drivers/gpio/gpio.c \

4
plat/intel/soc/agilex/platform.mk
View file

@ -56,6 +56,10 @@ BL2_SOURCES += \
plat/intel/soc/common/drivers/qspi/cadence_qspi.c \
plat/intel/soc/common/drivers/wdt/watchdog.c
include lib/zlib/zlib.mk
PLAT_INCLUDES += -Ilib/zlib
BL2_SOURCES += $(ZLIB_SOURCES)
BL31_SOURCES += \
drivers/arm/cci/cci.c \
lib/cpus/aarch64/aem_generic.S \

4
plat/intel/soc/stratix10/platform.mk
View file

@ -55,6 +55,10 @@ BL2_SOURCES += \
plat/intel/soc/common/drivers/qspi/cadence_qspi.c \
plat/intel/soc/common/drivers/wdt/watchdog.c
include lib/zlib/zlib.mk
PLAT_INCLUDES += -Ilib/zlib
BL2_SOURCES += $(ZLIB_SOURCES)
BL31_SOURCES += \
drivers/arm/cci/cci.c \
lib/cpus/aarch64/aem_generic.S \

6
plat/st/stm32mp1/platform.mk
View file

@ -320,12 +320,14 @@ BL2_SOURCES += drivers/io/io_dummy.c \
plat/st/stm32mp1/stm32mp1_security.c
endif
ifeq (${PSA_FWU_SUPPORT},1)
include lib/zlib/zlib.mk
ifeq (${PSA_FWU_SUPPORT},1)
include drivers/fwu/fwu.mk
endif
BL2_SOURCES += $(ZLIB_SOURCES)
endif
BL2_SOURCES += drivers/io/io_block.c \
drivers/io/io_mtd.c \