# flashimg/cpu/CMakeLists.txt - Build script for main cpu.uf2 firmware file
#
# Copyright (C) 2024-2025  Luke T. Shumaker <lukeshu@lukeshu.com>
# SPDX-License-Identifier: AGPL-3.0-or-later

if (PICO_PLATFORM STREQUAL "rp2040")

# Compile ######################################################################

add_library(cpu_objs OBJECT
	main.c
	usb_keyboard.c

	fs_harness_flash_bin.c

	flash_static.c
	flashio.c
	ihex.c
)
target_include_directories(cpu_objs PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/config)
target_include_directories(cpu_objs PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
target_include_directories(cpu_objs PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
target_link_libraries(cpu_objs
	pico_runtime

	hardware_flash
	hardware_uart
	hardware_watchdog

	libmisc
	libusb
	libdhcp
	libhw_cr
	lib9p_srv
	lib9p_util
)
pico_minimize_runtime(cpu_objs
	INCLUDE PANIC
)
target_compile_definitions(cpu_objs PRIVATE
	PICO_RUNTIME_NO_INIT_CLOCKS=1
	PICO_MEM_IN_RAM=1 # for ab_flash_finalize()
	"PICO_FLASH_SIZE_BYTES=(${PICO_FLASH_SIZE_BYTES})"
)

suppress_tinyusb_warnings()
set_source_files_properties(
	${PICO_SDK_PATH}/src/rp2_common/pico_clib_interface/newlib_interface.c
	PROPERTIES
	COMPILE_OPTIONS "-Wno-unused-parameter")

# Analyze the stack ############################################################

add_stack_analysis(stack.c cpu_objs)

# Link #########################################################################

add_executable(cpu)
target_include_directories(cpu PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/config)
target_sources(cpu PRIVATE
	stack.c
	"$<TARGET_OBJECTS:cpu_objs>"
)
target_link_libraries(cpu
	pico_standard_link
)
target_link_options(cpu PRIVATE "$<TARGET_PROPERTY:cpu_objs,LINK_OPTIONS>")
pico_add_extra_outputs(cpu) # create .map/.bin/.hex/.uf2 files in addition to .elf
pico_set_program_url(cpu "https://git.lukeshu.com/sbc-harness-firmware")

# Embed ########################################################################

target_embed_sources(cpu_objs cpu static.h
	static/Documentation/YOUR_RIGHTS_AND_OBLIGATIONS.md
	static/Documentation/YOUR_RIGHTS_AND_OBLIGATIONS/agpl-3.0.txt
	static/Documentation/YOUR_RIGHTS_AND_OBLIGATIONS/dhcp.bsd3-mit.txt
	static/Documentation/YOUR_RIGHTS_AND_OBLIGATIONS/newlib.txt
	static/Documentation/YOUR_RIGHTS_AND_OBLIGATIONS/pico-sdk.bsd3.txt
	static/Documentation/YOUR_RIGHTS_AND_OBLIGATIONS/tinyusb.mit.txt
	static/Documentation/harness_rom.bin.txt
	static/Documentation/harness_flash.bin.txt
	static/Documentation/harness_uptime.txt.txt
	static/Documentation/dut_dvi-video.nut.txt
)

add_custom_command(
	OUTPUT  vpu.bin
	COMMAND cp -T -- $<PATH:REPLACE_EXTENSION,$<TARGET_FILE:vpu>,bin> vpu.bin
	DEPENDS vpu
)
set_source_files_properties(vpu.bin PROPERTIES
	GENERATED true
)
target_embed_binaries(cpu_objs cpu vpu.h
	vpu.bin
)

endif()

# Tests ########################################################################
if ((PICO_PLATFORM STREQUAL "host") AND (ENABLE_TESTS))
	add_executable(test_ihex "tests/test_ihex.c" "ihex.c")
	target_include_directories(test_ihex PRIVATE ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/tests)
	target_link_libraries(test_ihex
		libhw_generic
	)
	add_test(
		NAME    "flashimg/cpu/test_ihex"
		COMMAND "${CMAKE_SOURCE_DIR}/build-aux/valgrind" "./test_ihex"
	)
endif()