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Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
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zephyr/cmake/linker_script/common/common-rom.cmake

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# SPDX-License-Identifier: Apache-2.0
# The contents of this file is based on include/zephyr/linker/common-rom.ld
# and som of include/zephyr/linker/common-rom/*.ld
# Please keep in sync
zephyr_linker_section(NAME init KVMA RAM_REGION GROUP RODATA_REGION)
zephyr_linker_section_obj_level(SECTION init LEVEL EARLY)
zephyr_linker_section_obj_level(SECTION init LEVEL PRE_KERNEL_1)
zephyr_linker_section_obj_level(SECTION init LEVEL PRE_KERNEL_2)
zephyr_linker_section_obj_level(SECTION init LEVEL POST_KERNEL)
zephyr_linker_section_obj_level(SECTION init LEVEL APPLICATION)
zephyr_linker_section_obj_level(SECTION init LEVEL SMP)
zephyr_iterable_section(NAME device NUMERIC KVMA RAM_REGION GROUP RODATA_REGION)
zephyr_iterable_section(NAME service NUMERIC KVMA RAM_REGION GROUP RODATA_REGION)
if(CONFIG_GEN_SW_ISR_TABLE AND NOT CONFIG_DYNAMIC_INTERRUPTS)
# ld align has been changed to subalign to provide identical behavior scatter vs. ld.
zephyr_linker_section(NAME sw_isr_table KVMA FLASH GROUP RODATA_REGION SUBALIGN ${CONFIG_ARCH_SW_ISR_TABLE_ALIGN} NOINPUT)
zephyr_linker_section_configure(
SECTION sw_isr_table
INPUT ".gnu.linkonce.sw_isr_table*"
)
if(CONFIG_SHARED_INTERRUPTS)
zephyr_linker_section_configure(
SECTION sw_isr_table
INPUT ".gnu.linkonce.shared_sw_isr_table*"
)
endif()
endif()
zephyr_linker_section(NAME initlevel_error KVMA RAM_REGION GROUP RODATA_REGION NOINPUT)
zephyr_linker_section_configure(SECTION initlevel_error INPUT ".z_init_*" KEEP SORT NAME)
# How to do cross linker ?
# ASSERT(SIZEOF(initlevel_error) == 0, "Undefined initialization levels used.")
if(CONFIG_CPP)
zephyr_linker_section(NAME ctors KVMA RAM_REGION GROUP RODATA_REGION NOINPUT)
#
# The compiler fills the constructor pointers table below,
# hence symbol __CTOR_LIST__ must be aligned on word
# boundary. To align with the C++ standard, the first element
# of the array contains the number of actual constructors. The
# last element is NULL.
#
# ToDo: Checkup on scatter loading. How to manage ?
# https://www.keil.com/support/man/docs/armlink/armlink_pge1362066006368.htm
# https://developer.arm.com/documentation/dui0378/g/The-ARM-C-and-C---Libraries
# if(CONFIG_64BIT)
# . = ALIGN(8);
# __CTOR_LIST__ = .;
# QUAD((__CTOR_END__ - __CTOR_LIST__) / 8 - 2)
# KEEP(*(SORT_BY_NAME(".ctors*")))
# QUAD(0)
# __CTOR_END__ = .;
# else()
# . = ALIGN(4);
# __CTOR_LIST__ = .;
# LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)
# KEEP(*(SORT_BY_NAME(".ctors*")))
# LONG(0)
# __CTOR_END__ = .;
# endif()
# } GROUP_ROM_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
#
# SECTION_PROLOGUE(init_array,,)
# {
# . = ALIGN(4);
# __init_array_start = .;
# KEEP(*(SORT_BY_NAME(".init_array*")))
# __init_array_end = .;
# } GROUP_ROM_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
endif()
if(CONFIG_USERSPACE)
# Build-time assignment of permissions to kernel objects to
# threads declared with K_THREAD_DEFINE()
zephyr_iterable_section(NAME k_object_assignment VMA FLASH)
endif()
zephyr_linker_section(
NAME app_shmem_regions
KVMA RAM_REGION GROUP RODATA_REGION NOINPUT ${XIP_ALIGN_WITH_INPUT}
)
zephyr_linker_section_configure(
SECTION app_shmem_regions
INPUT ".app_regions.*"
KEEP SORT NAME
)
if(CONFIG_NETWORKING)
zephyr_iterable_section(NAME net_l3_register KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_NET_SOCKETS)
zephyr_iterable_section(NAME net_socket_register KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_NET_L2_PPP)
zephyr_iterable_section(NAME ppp_protocol_handler KVMA RAM_REGION GROUP RODATA_REGION)
endif()
zephyr_iterable_section(NAME bt_l2cap_fixed_chan KVMA RAM_REGION GROUP RODATA_REGION)
if(CONFIG_BT_CLASSIC)
zephyr_iterable_section(NAME bt_l2cap_br_fixed_chan KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_BT_CONN)
zephyr_iterable_section(NAME bt_conn_cb KVMA RAM_REGION GROUP RODATA_REGION)
endif()
zephyr_iterable_section(NAME bt_gatt_service_static KVMA RAM_REGION GROUP RODATA_REGION)
if(CONFIG_BT_MESH)
zephyr_iterable_section(NAME bt_mesh_subnet_cb KVMA RAM_REGION GROUP RODATA_REGION)
zephyr_iterable_section(NAME bt_mesh_app_key_cb KVMA RAM_REGION GROUP RODATA_REGION)
zephyr_iterable_section(NAME bt_mesh_hb_cb KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_BT_MESH_FRIEND)
zephyr_iterable_section(NAME bt_mesh_friend_cb KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_BT_MESH_LOW_POWER)
zephyr_iterable_section(NAME bt_mesh_lpn_cb KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_BT_MESH_PROXY)
zephyr_iterable_section(NAME bt_mesh_proxy_cb KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_EC_HOST_CMD)
zephyr_iterable_section(NAME ec_host_cmd_handler KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_SETTINGS)
zephyr_iterable_section(NAME settings_handler_static KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_SENSING)
zephyr_iterable_section(NAME sensing_sensor_info KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_SENSOR_INFO)
zephyr_iterable_section(NAME sensor_info KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_SENSOR_ASYNC_API)
zephyr_iterable_section(NAME sensor_decoder_api KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_MCUMGR)
zephyr_iterable_section(NAME mcumgr_handler KVMA RAM_REGION GROUP RODATA_REGION)
endif()
zephyr_iterable_section(NAME k_p4wq_initparam KVMA RAM_REGION GROUP RODATA_REGION)
if(CONFIG_EMUL)
zephyr_iterable_section(NAME emul KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_DNS_SD)
zephyr_iterable_section(NAME dns_sd_rec KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_PCIE)
zephyr_iterable_section(NAME irq_alloc KVMA RAM_REGION GROUP RODATA_REGION)
endif()
zephyr_iterable_section(NAME log_strings KVMA RAM_REGION GROUP RODATA_REGION)
zephyr_iterable_section(NAME log_const KVMA RAM_REGION GROUP RODATA_REGION)
zephyr_linker_section(NAME symbol_to_keep GROUP RODATA_REGION NOINPUT)
zephyr_linker_section_configure(SECTION symbol_to_keep INPUT ".symbol_to_keep*" KEEP SORT NAME)
zephyr_iterable_section(NAME shell KVMA RAM_REGION GROUP RODATA_REGION)
zephyr_iterable_section(NAME shell_root_cmds KVMA RAM_REGION GROUP RODATA_REGION)
zephyr_iterable_section(NAME shell_subcmds KVMA RAM_REGION GROUP RODATA_REGION)
zephyr_iterable_section(NAME shell_dynamic_subcmds KVMA RAM_REGION GROUP RODATA_REGION)
zephyr_iterable_section(NAME cfb_font KVMA RAM_REGION GROUP RODATA_REGION)
zephyr_iterable_section(NAME tracing_backend KVMA RAM_REGION GROUP RODATA_REGION)
zephyr_linker_section(NAME zephyr_dbg_info KVMA RAM_REGION GROUP RODATA_REGION NOINPUT ${XIP_ALIGN_WITH_INPUT})
zephyr_linker_section_configure(SECTION zephyr_dbg_info INPUT ".dbg_thread_info" KEEP)
if(CONFIG_SYMTAB)
zephyr_linker_section(NAME symtab KVMA FLASH GROUP RODATA_REGION SUBALIGN 4 NOINPUT)
zephyr_linker_section_configure(SECTION symtab INPUT ".gnu.linkonce.symtab*")
endif()
if (CONFIG_DEVICE_DEPS)
zephyr_linker_section(NAME device_deps KVMA RAM_REGION GROUP RODATA_REGION NOINPUT ${XIP_ALIGN_WITH_INPUT} ENDALIGN 16)
zephyr_linker_section_configure(SECTION device_deps INPUT .__device_deps_pass1* KEEP SORT NAME PASS LINKER_DEVICE_DEPS_PASS1)
zephyr_linker_section_configure(SECTION device_deps INPUT .__device_deps_pass2* KEEP SORT NAME PASS NOT LINKER_DEVICE_DEPS_PASS1)
endif()
zephyr_iterable_section(NAME _static_thread_data KVMA RAM_REGION GROUP RODATA_REGION)
if (CONFIG_BT_IAS)
zephyr_iterable_section(NAME bt_ias_cb KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if (CONFIG_LOG)
zephyr_iterable_section(NAME log_link KVMA RAM_REGION GROUP RODATA_REGION)
zephyr_iterable_section(NAME log_backend KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if (CONFIG_MULTI_LEVEL_INTERRUPTS)
zephyr_iterable_section(NAME intc_table KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if (CONFIG_HTTP_SERVER)
zephyr_iterable_section(NAME http_service_desc KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if (CONFIG_COAP_SERVER)
zephyr_iterable_section(NAME coap_service KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if (CONFIG_NET_MGMT)
zephyr_iterable_section(NAME net_mgmt_event_static_handler KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_INPUT)
zephyr_iterable_section(NAME input_callback KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_USBD_MSC_CLASS)
zephyr_iterable_section(NAME usbd_msc_lun KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_ZTEST)
zephyr_iterable_section(NAME ztest_expected_result_entry KVMA RAM_REGION GROUP RODATA_REGION ${XIP_ALIGN_WITH_INPUT})
zephyr_iterable_section(NAME ztest_suite_node KVMA RAM_REGION GROUP RODATA_REGION ${XIP_ALIGN_WITH_INPUT})
zephyr_iterable_section(NAME ztest_unit_test KVMA RAM_REGION GROUP RODATA_REGION ${XIP_ALIGN_WITH_INPUT})
zephyr_iterable_section(NAME ztest_test_rule KVMA RAM_REGION GROUP RODATA_REGION ${XIP_ALIGN_WITH_INPUT})
endif()
if(CONFIG_ZBUS)
zephyr_iterable_section(NAME zbus_channel KVMA RAM_REGION GROUP RODATA_REGION)
zephyr_iterable_section(NAME zbus_observer KVMA RAM_REGION GROUP RODATA_REGION)
zephyr_iterable_section(NAME zbus_channel_observation KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_GNSS)
zephyr_iterable_section(NAME gnss_data_callback KVMA RAM_REGION GROUP RODATA_REGION)
endif()
if(CONFIG_GNSS_SATELLITES)
zephyr_iterable_section(NAME gnss_satellites_callback KVMA RAM_REGION GROUP RODATA_REGION)
endif()