bootloader_compress_lzma.conf

#
#   Copyright (c) 2024 Project CHIP Authors
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
#

# Enable overwrite the primary slot with the upgrade image instead of swapping them.
# This prevents the fallback recovery.
CONFIG_BOOT_UPGRADE_ONLY=y

# Enable this option in case if the whole slot0 image need to be validated
# With disabled option the only image magic is validated
CONFIG_BOOT_VALIDATE_SLOT0=y

# Required for Zephyr 3.3 and replased with CONFIG_BOOT_MAX_IMG_SECTORS_AUTO in new versions
# Maximum number of image sectors supported by the bootloader.
# Maximum signed image size: 512 * 4096 = 2M Bytes
CONFIG_BOOT_MAX_IMG_SECTORS=512

# MCUBOOT log levels are:
#  - OFF, LOG_LEVEL_ERR_OFF
#  - ERROR,  LOG_LEVEL_ERR
#  - WARNING,  LOG_LEVEL_WRN
#  - INFO,  LOG_LEVEL_INF
#  - DEBUG, LOG_LEVEL_DBG
CONFIG_MCUBOOT_LOG_LEVEL_INF=y

# LZMA used sys_heap based allocators
CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=78000

# Enable build size optimizations
CONFIG_SIZE_OPTIMIZATIONS=y

# Enable support LZMA compression
CONFIG_COMPRESS_LZMA=y

CONFIG_PICOLIBC=y