# Copyright (c) 2026 Eclipse ThreadX contributors
# SPDX-License-Identifier: MIT
# Portions of this file were generated with AI assistance.

target_sources(${PROJECT_NAME}
    PRIVATE
    # {{BEGIN_TARGET_SOURCES}}
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_context_restore.S
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_context_save.S
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_fiq_context_restore.S
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_fiq_context_save.S
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_fiq_nesting_end.S
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_fiq_nesting_start.S
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_control.S
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_disable.S
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_restore.S
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_irq_nesting_end.S
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_irq_nesting_start.S
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_schedule.S
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_stack_build.S
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_system_return.S
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_vectored_context_save.S
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_timer_interrupt.S
    ${CMAKE_CURRENT_LIST_DIR}/src/tx_port_offset_check.c
    # {{END_TARGET_SOURCES}}
)

target_include_directories(${PROJECT_NAME}
    SYSTEM
    PUBLIC
    ${CMAKE_CURRENT_LIST_DIR}/inc
)

# Lazy floating-point context save and restore.  PUBLIC because the assembly
# in the library and the application must agree: the flag changes which
# registers the context switch saves, so a mismatched application would either
# lose floating-point state or misread the thread control block.  Requires a
# floating-point ABI, so pair it with -DTX_R52_FLOAT_ABI=hard.
option(TX_R52_ENABLE_VFP "Build with lazy VFP context save/restore" OFF)

# FIQ support and interrupt nesting.  These change which registers the
# assembly saves and what tx_port.h reports in TX_PORT_SPECIFIC_BUILD_OPTIONS,
# so like the VFP flag they must be PUBLIC: library and application have to
# agree.  FIQ nesting additionally requires FIQ support.
option(TX_R52_ENABLE_FIQ "Build with FIQ support" OFF)
option(TX_R52_ENABLE_IRQ_NESTING "Build with nested IRQ support" OFF)
option(TX_R52_ENABLE_FIQ_NESTING "Build with nested FIQ support" OFF)

if(TX_R52_ENABLE_FIQ)
    target_compile_definitions(${PROJECT_NAME} PUBLIC TX_ENABLE_FIQ_SUPPORT)
endif()
if(TX_R52_ENABLE_IRQ_NESTING)
    target_compile_definitions(${PROJECT_NAME} PUBLIC TX_ENABLE_IRQ_NESTING)
endif()
if(TX_R52_ENABLE_FIQ_NESTING)
    if(NOT TX_R52_ENABLE_FIQ)
        message(FATAL_ERROR
            "TX_R52_ENABLE_FIQ_NESTING requires TX_R52_ENABLE_FIQ: nested FIQ "
            "handling is meaningless without FIQ support compiled in.")
    endif()
    target_compile_definitions(${PROJECT_NAME} PUBLIC TX_ENABLE_FIQ_NESTING)
endif()
if(TX_R52_ENABLE_VFP)
    if(NOT TX_R52_FLOAT_ABI STREQUAL "hard")
        message(FATAL_ERROR
            "TX_R52_ENABLE_VFP requires TX_R52_FLOAT_ABI=hard, but it is "
            "'${TX_R52_FLOAT_ABI}'. TX_ENABLE_VFP_SUPPORT enables the VMRS, "
            "VSTMDB and VLDMIA blocks in the port assembly, and a soft float "
            "ABI leaves the assembler with no FPU to accept them, so this "
            "combination fails to assemble. Use -DTX_R52_FLOAT_ABI=hard.")
    endif()
    target_compile_definitions(${PROJECT_NAME} PUBLIC TX_ENABLE_VFP_SUPPORT)
endif()

# Armv8-R AEM FVP example builds (boot check now, kernel demo from AR1/M2).
# Off by default so the default build stays a pure static-library build.
option(TX_R52_BUILD_FVP_EXAMPLE "Build the Armv8-R AEM FVP example targets" OFF)
if(TX_R52_BUILD_FVP_EXAMPLE)
    add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/example_build/fvp_baser_aemv8r)
endif()

# NXP S32Z280-594EVB example build.  Separate option from the FVP example so
# that FVP regression stays green while silicon bring-up is in progress, and so
# neither build can perturb the other: the two boards differ in reset state,
# memory map and instruction set at reset.
option(TX_R52_BUILD_S32Z280_EXAMPLE "Build the NXP S32Z280-594EVB example targets" OFF)
if(TX_R52_BUILD_S32Z280_EXAMPLE)
    add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/example_build/s32z280_evb)
endif()