blob: cd9f39c9558ca1fbf2e8b9c0a96dc2b85633aafd [file] [log] [blame]
# SPDX-License-Identifier: Apache-2.0
# kernel is a normal CMake library and not a zephyr_library because it
# should not be --whole-archive'd
zephyr_syscall_header(
${ZEPHYR_BASE}/include/zephyr/device.h
${ZEPHYR_BASE}/include/zephyr/kernel.h
${ZEPHYR_BASE}/include/zephyr/sys/kobject.h
${ZEPHYR_BASE}/include/zephyr/sys/time_units.h
)
if(NOT CONFIG_ERRNO_IN_TLS AND NOT CONFIG_LIBC_ERRNO)
zephyr_syscall_header(${ZEPHYR_BASE}/include/zephyr/sys/errno_private.h)
endif()
zephyr_syscall_header_ifdef(
CONFIG_ATOMIC_OPERATIONS_C
${ZEPHYR_BASE}/include/zephyr/sys/atomic_c.h
)
zephyr_syscall_header_ifdef(
CONFIG_MMU
${ZEPHYR_BASE}/include/zephyr/kernel/mm.h
${ZEPHYR_BASE}/include/zephyr/sys/mem_manage.h
)
zephyr_syscall_header_ifdef(
CONFIG_DEMAND_PAGING
${ZEPHYR_BASE}/include/zephyr/kernel/mm/demand_paging.h
)
# If a pre-built static library containing kernel code exists in
# this directory, libkernel.a, link it with the application code
# instead of building from source.
zephyr_library_get_current_dir_lib_name(${ZEPHYR_BASE} libkernel_stem)
set(libkernel ${CMAKE_CURRENT_SOURCE_DIR}/lib${libkernel_stem}${CMAKE_STATIC_LIBRARY_SUFFIX})
unset(libkernel_stem)
if(EXISTS ${libkernel})
add_library(kernel INTERFACE)
target_link_libraries(kernel INTERFACE ${libkernel})
else()
# FIXME: SHADOW_VARS: Remove this once we have enabled -Wshadow globally.
add_compile_options($<TARGET_PROPERTY:compiler,warning_shadow_variables>)
list(APPEND kernel_files
main_weak.c
banner.c
busy_wait.c
device.c
errno.c
fatal.c
init.c
kheap.c
mem_slab.c
thread.c
version.c
sched.c
)
if(CONFIG_MULTITHREADING)
list(APPEND kernel_files
idle.c
mailbox.c
msg_q.c
mutex.c
queue.c
sem.c
stack.c
system_work_q.c
work.c
condvar.c
)
if(CONFIG_SMP)
list(APPEND kernel_files
smp.c)
endif()
endif()
if(CONFIG_XIP)
list(APPEND kernel_files
xip.c)
endif()
if(CONFIG_DEMAND_PAGING_STATS)
list(APPEND kernel_files
paging/statistics.c)
endif()
add_library(kernel ${kernel_files})
# Kernel files has the macro __ZEPHYR_SUPERVISOR__ set so that it
# optimizes the code when userspace is enabled.
set_target_properties(
kernel
PROPERTIES
COMPILE_DEFINITIONS
__ZEPHYR_SUPERVISOR__
)
target_sources_ifdef(CONFIG_STACK_CANARIES kernel PRIVATE compiler_stack_protect.c)
target_sources_ifdef(CONFIG_SYS_CLOCK_EXISTS kernel PRIVATE timeout.c timer.c)
target_sources_ifdef(CONFIG_ATOMIC_OPERATIONS_C kernel PRIVATE atomic_c.c)
target_sources_ifdef(CONFIG_MMU kernel PRIVATE mmu.c)
target_sources_ifdef(CONFIG_POLL kernel PRIVATE poll.c)
target_sources_ifdef(CONFIG_EVENTS kernel PRIVATE events.c)
target_sources_ifdef(CONFIG_PIPES kernel PRIVATE pipes.c)
target_sources_ifdef(CONFIG_SCHED_THREAD_USAGE kernel PRIVATE usage.c)
target_sources_ifdef(CONFIG_OBJ_CORE kernel PRIVATE obj_core.c)
if(${CONFIG_KERNEL_MEM_POOL})
target_sources(kernel PRIVATE mempool.c)
if(CONFIG_HEAP_MEM_POOL_IGNORE_MIN)
set(final_heap_size ${CONFIG_HEAP_MEM_POOL_SIZE})
else()
# Import all custom HEAP_MEM_POOL size requirements
import_kconfig(CONFIG_HEAP_MEM_POOL_ADD_SIZE_ ${DOTCONFIG} add_size_keys)
# Calculate the sum of all "ADD_SIZE" requirements
set(add_size_sum 0)
foreach(add_size ${add_size_keys})
math(EXPR add_size_sum "${add_size_sum} + ${${add_size}}")
endforeach()
if(CONFIG_HEAP_MEM_POOL_SIZE LESS "${add_size_sum}")
# Only warn if default value 0 has been modified
if(NOT CONFIG_HEAP_MEM_POOL_SIZE EQUAL 0)
message(WARNING "
CONFIG_HEAP_MEM_POOL_SIZE is less than requested minimum:
${CONFIG_HEAP_MEM_POOL_SIZE} < ${add_size_sum}
Setting the system heap size to ${add_size_sum}")
endif()
set(final_heap_size ${add_size_sum})
else()
# CONFIG_HEAP_MEM_POOL_SIZE was greater than the sum of the requirements
set(final_heap_size ${CONFIG_HEAP_MEM_POOL_SIZE})
endif()
endif()
zephyr_compile_definitions(K_HEAP_MEM_POOL_SIZE=${final_heap_size})
endif()
# The last 2 files inside the target_sources_ifdef should be
# userspace_handler.c and userspace.c. If not the linker would complain.
# This order has to be maintained. Any new file should be placed
# above these 2 files.
target_sources_ifdef(
CONFIG_USERSPACE
kernel PRIVATE
futex.c
mem_domain.c
userspace_handler.c
userspace.c
)
if(${CONFIG_DYNAMIC_THREAD})
target_sources(kernel PRIVATE dynamic.c)
else()
target_sources(kernel PRIVATE dynamic_disabled.c)
endif()
target_include_directories(kernel PRIVATE
${ZEPHYR_BASE}/kernel/include
${ARCH_DIR}/${ARCH}/include
)
target_link_libraries(kernel zephyr_interface)
endif()
add_dependencies(kernel zephyr_generated_headers)
unset(libkernel)