1 ###| CMAKE Kiibohd Controller Bootloader |###
3 # Jacob Alexander 2011-2014
4 # Due to this file's usefulness:
6 # Released into the Public Domain
8 # This bootloader is based upon the MCHCK dfu-usb bootloader.
9 # DO NOT USE with Teensy based microcontrollers.
19 #| You _MUST_ set this to match the microcontroller you are trying to compile for
20 #| You _MUST_ clean the build directory if you change this value
23 "mk20dx128vlf5" # McHCK mk20dx128vlf5
24 # "mk20dx256vlh7" # Kiibohd-dfu mk20dx256vlh7
33 #| *** EXPERIMENTAL ***
34 #| Stick with gcc unless you know what you're doing
35 #| Currently only arm is supported with clang
37 "gcc" # arm-none-eabi-gcc / avr-gcc - Default
38 # "clang" # arm-none-eabi
39 CACHE STRING "Compiler Type" )
44 # Bootloader Configuration
51 # Compiler Intialization
53 set ( CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/../Lib/CMake )
70 message( STATUS "Bootloader Source Files:" )
73 #| Add Lib sources to main list
74 foreach( SRC_FILE ${COMPILER_SRCS} )
75 set( SRCS ${SRCS} ${CMAKE_SOURCE_DIR}/../${SRC_FILE} )
84 include_directories( ${CMAKE_SOURCE_DIR}/../Lib )
93 project( kiibohd_bootloader )
95 #| Target Name (output name)
96 set( TARGET kiibohd_bootloader )
99 cmake_minimum_required( VERSION 2.8 )
104 # Generate Header Files
106 configure_file( _buildvars.h buildvars.h )
107 include_directories( ${CMAKE_BINARY_DIR} )
112 # CMake Module Checking
114 find_package( Git REQUIRED )
115 find_package( Ctags ) # Optional
122 if( CTAGS_EXECUTABLE )
124 execute_process( COMMAND ctags ${SRCS}
125 WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
132 # Disable -Wl,-search_paths_first for OSX (not supported by arm-none-eabi-gcc)
136 string ( REPLACE "-Wl,-search_paths_first" "" CMAKE_C_LINK_FLAGS ${CMAKE_C_LINK_FLAGS} )
137 string ( REPLACE "-Wl,-search_paths_first" "" CMAKE_CXX_LINK_FLAGS ${CMAKE_CXX_LINK_FLAGS} )
139 message ( AUTHOR_WARNING "Bootloader binary may not fit on device (must be less than 4096 bytes). Macports arm-none-eabi-gcc 4.7.3 doesn't seem to work properly with -flto. However, even disabling it doesn't shrink the binary enough... 4.9.1 is known to work on Arch Linux." )
148 #| Create the .ELF file
149 set( TARGET_ELF ${TARGET}.elf )
150 add_executable( ${TARGET_ELF} ${SRCS} )
154 set_target_properties( ${TARGET_ELF} PROPERTIES
155 LINK_FLAGS ${LINKER_FLAGS}
156 SUFFIX "" # XXX Force Windows to keep the .exe off
160 #| Convert the .ELF into a .bin to load onto the McHCK
161 set( TARGET_BIN ${TARGET}.bin )
162 add_custom_command( TARGET ${TARGET_ELF} POST_BUILD
163 COMMAND ${CMAKE_OBJCOPY} ${BIN_FLAGS} ${TARGET_ELF} ${TARGET_BIN}
164 COMMENT "Creating binary file to load: ${TARGET_BIN}"
168 #| Generate the Extended .LSS
169 set( TARGET_LSS ${TARGET}.lss )
170 add_custom_command( TARGET ${TARGET_ELF} POST_BUILD
171 COMMAND ${CMAKE_OBJDUMP} ${LSS_FLAGS} ${TARGET_ELF} > ${TARGET_LSS}
172 COMMENT "Creating Extended Listing: ${TARGET_LSS}"
176 #| Generate the Symbol Table .SYM
177 set( TARGET_SYM ${TARGET}.sym )
178 add_custom_command( TARGET ${TARGET_ELF} POST_BUILD
179 COMMAND ${CMAKE_NM} -n ${TARGET_ELF} > ${TARGET_SYM}
180 COMMENT "Creating Symbol Table: ${TARGET_SYM}"
184 #| Compiler Selection Record
185 add_custom_command( TARGET ${TARGET_ELF} POST_BUILD
186 COMMAND ${CMAKE_SOURCE_DIR}/../Lib/CMake/writer compiler ${COMPILER_FAMILY}
195 #| After Changes Size Information
196 add_custom_target( SizeAfter ALL
197 COMMAND ${CMAKE_SOURCE_DIR}/../Lib/CMake/sizeCalculator ${CMAKE_SIZE} ram ${TARGET_ELF} ${SIZE_RAM} " SRAM"
198 COMMAND ${CMAKE_SOURCE_DIR}/../Lib/CMake/sizeCalculator ${CMAKE_SIZE} flash ${TARGET_ELF} ${SIZE_FLASH} "Flash"
199 DEPENDS ${TARGET_ELF}
200 COMMENT "Chip usage for ${CHIP}"