# flashimg/cpu_main/CMakeLists.txt - Build script for main cpu_main.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_main_objs OBJECT
	main.c
	usb_keyboard.c
	tusb_log.c

	fs_harness_flash_bin.c
	fs_harness_uptime_txt.c

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

	hardware_flash
	hardware_uart
	hardware_watchdog

	libmisc
	libusb
	libdhcp
	libhw_cr
	lib9p_srv
	lib9p_util
)
pico_minimize_runtime(cpu_main_objs
	INCLUDE PANIC
)
target_compile_definitions(cpu_main_objs PRIVATE
	PICO_PANIC_FUNCTION=assert_panic

	#PICO_USE_FASTEST_SUPPORTED_CLOCK=1

	# Calculated by `./3rd-party/pico-sdk/src/rp2_common/hardware_clocks/scripts/vcocalc.py --cmake-only 170`
	PLL_SYS_REFDIV=2
	PLL_SYS_VCO_FREQ_HZ=1530000000
	PLL_SYS_POSTDIV1=3
	PLL_SYS_POSTDIV2=3
	SYS_CLK_HZ=170000000
)

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_main_objs)

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

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

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

target_embed_sources(cpu_main_objs cpu_main 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
)

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} ${CMAKE_CURRENT_SOURCE_DIR}/tests)
	target_link_libraries(test_ihex
		libhw_generic
	)
	add_test(
		NAME    "flashimg/cpu_main/test_ihex"
		COMMAND "${CMAKE_SOURCE_DIR}/build-aux/valgrind" "./test_ihex"
	)
endif()