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controller/Lib/CMake/arm.cmake
Jacob Alexander dcb3fb560f Small cleanup
2016-08-07 12:51:13 -07:00

261 lines
7.7 KiB
CMake

###| CMAKE Kiibohd Controller |###
#
# Jacob Alexander 2011-2016
# Due to this file's usefulness:
#
# Released into the Public Domain
#
# Freescale ARM CMake Build Configuration
#
###
###
# Compiler Check
#
#|
#| In CMake 3.6 a new feature to configure try_compile to work with cross-compilers
#| https://cmake.org/cmake/help/v3.6/variable/CMAKE_TRY_COMPILE_TARGET_TYPE.html#variable:CMAKE_TRY_COMPILE_TARGET_TYPE
#| If we detect CMake 3.6 or higher, use the new method
#|
if ( NOT CMAKE_VERSION VERSION_LESS "3.6" )
# Prepare for cross-compilation
set( CMAKE_TRY_COMPILE_TARGET_TYPE "STATIC_LIBRARY" )
set( CMAKE_SYSTEM_NAME "Generic" )
message( STATUS "Compiler Selected:" )
if ( "${COMPILER}" MATCHES "gcc" )
set( CMAKE_C_COMPILER arm-none-eabi-gcc )
set( _CMAKE_TOOLCHAIN_PREFIX arm-none-eabi- )
message( "gcc" )
elseif ( "${COMPILER}" MATCHES "clang" )
set( CMAKE_C_COMPILER clang )
set( CMAKE_C_COMPILER_ID ARMCCompiler )
set( _CMAKE_TOOLCHAIN_PREFIX llvm- )
message( "clang" )
else ()
message( AUTHOR_WARNING "COMPILER: ${COMPILER} - Unknown compiler selection" )
endif ()
#|
#| Before CMake 3.6 the cmake_force_c_compiler command was necessary to select cross-compilers
#| and other problemmatic compilers.
#|
else ()
# Set the Compilers (must be set first)
include( CMakeForceCompiler )
message( STATUS "Compiler Selected:" )
if ( "${COMPILER}" MATCHES "gcc" )
cmake_force_c_compiler( arm-none-eabi-gcc ARMCCompiler )
set( _CMAKE_TOOLCHAIN_PREFIX arm-none-eabi- )
message( "gcc" )
elseif ( "${COMPILER}" MATCHES "clang" )
cmake_force_c_compiler( clang ARMCCompiler )
set( _CMAKE_TOOLCHAIN_PREFIX llvm- )
message( "clang" )
else ()
message( AUTHOR_WARNING "COMPILER: ${COMPILER} - Unknown compiler selection" )
endif ()
endif ()
###
# ARM Defines and Linker Options
#
#| Chip Name (Linker)
#|
#| "mk20dx128vlf5" # McHCK / Kiibohd-dfu
#| "mk20dx256vlh7" # Kiibohd-dfu
#| "mk20dx128" # Teensy 3.0
#| "mk20dx256" # Teensy 3.1
message( STATUS "Chip Selected:" )
message( "${CHIP}" )
set( MCU "${CHIP}" ) # For loading script compatibility
#| Chip Size and CPU Frequency Database
#| Processor frequency.
#| Normally the first thing your program should do is set the clock prescaler,
#| so your program will run at the correct speed. You should also set this
#| variable to same clock speed. The _delay_ms() macro uses this, and many
#| examples use this variable to calculate timings. Do not add a "UL" here.
#| MCHCK Based / Kiibohd-dfu
if ( "${CHIP}" MATCHES "mk20dx128vlf5" )
set( SIZE_RAM 16384 )
set( SIZE_FLASH 126976 )
set( F_CPU "48000000" )
#| Kiibohd-dfu
elseif ( "${CHIP}" MATCHES "mk20dx256vlh7" )
set( SIZE_RAM 65536 )
set( SIZE_FLASH 253952 )
set( F_CPU "72000000" )
#| Teensy 3.0
elseif ( "${CHIP}" MATCHES "mk20dx128" )
set( SIZE_RAM 16384 )
set( SIZE_FLASH 131072 )
set( F_CPU "48000000" )
#| Teensy 3.1
elseif ( "${CHIP}" MATCHES "mk20dx256" )
set( SIZE_RAM 65536 )
set( SIZE_FLASH 262144 )
set( F_CPU "48000000" ) # XXX Also supports 72 MHz, but may requires code changes
#| Unknown ARM
else ()
message( AUTHOR_WARNING "CHIP: ${CHIP} - Unknown ARM microcontroller" )
endif ()
#| Chip Base Type
#| Automatically chosed based on the chip name.
if ( "${CHIP}" MATCHES "^mk20dx.*$" )
set( CHIP_FAMILY "mk20dx" )
message( STATUS "Chip Family:" )
message( "${CHIP_FAMILY}" )
else ()
message( FATAL_ERROR "Unknown chip family: ${CHIP}" )
endif ()
#| CPU Type
#| You _MUST_ set this to match the board you are using
#| type "make clean" after changing this, so all files will be rebuilt
#|
#| "cortex-m4" # Teensy 3.0, 3.1, McHCK
set( CPU "cortex-m4" )
message( STATUS "CPU Selected:" )
message( "${CPU}" )
#| Extra Compiler Sources
#| Mostly for convenience functions like interrupt handlers
set( COMPILER_SRCS
Lib/${CHIP_FAMILY}.c
Lib/delay.c
)
#| Clang needs a few more functions for linking
if ( "${COMPILER}" MATCHES "clang" )
set( COMPILER_SRCS ${COMPILER_SRCS}
Lib/clang.c
)
endif ()
message( STATUS "Compiler Source Files:" )
message( "${COMPILER_SRCS}" )
#| USB Defines, this is how the loader programs detect which type of chip base is used
message( STATUS "Bootloader Type:" )
if ( "${CHIP}" MATCHES "mk20dx128vlf5" OR "${CHIP}" MATCHES "mk20dx256vlh7" )
set( VENDOR_ID "0x1C11" )
set( PRODUCT_ID "0xB04D" )
set( BOOT_VENDOR_ID "0x1C11" )
set( BOOT_PRODUCT_ID "0xB007" )
set( BOOT_DFU_ALTNAME "Kiibohd DFU" )
set( DFU 1 )
message( "dfu" )
elseif ( "${CHIP}" MATCHES "mk20dx128" OR "${CHIP}" MATCHES "mk20dx256" )
set( VENDOR_ID "0x1C11" )
set( PRODUCT_ID "0xB04D" )
set( BOOT_VENDOR_ID "0x16c0" ) # TODO Double check, this is likely incorrect
set( BOOT_PRODUCT_ID "0x0487" )
set( TEENSY 1 )
message( "Teensy" )
endif ()
#| Compiler flag to set the C Standard level.
#| c89 = "ANSI" C
#| gnu89 = c89 plus GCC extensions
#| c99 = ISO C99 standard (not yet fully implemented)
#| gnu99 = c99 plus GCC extensions
#| gnu11 = c11 plus GCC extensions
set( CSTANDARD "-std=gnu11" )
#| Warning Options
#| -Wall...: warning level
set( WARN "-Wall -ggdb3" )
#| Tuning Options
#| -f...: tuning, see GCC manual
#| NOTE: -fshort-wchar is specified to allow USB strings be passed conveniently
#| Bootloader Compiler Flags
if( BOOTLOADER )
## Clang Compiler
if ( "${COMPILER}" MATCHES "clang" )
# TODO Not currently working, clang doesn't support all the neccessary extensions
message ( AUTHOR_WARNING "clang doesn't support all the needed extensions, code may need rework to use clang" )
set ( TUNING "-D_bootloader_ -Wno-main -msoft-float -target arm-none-eabi -mthumb -nostdlib -fdata-sections -ffunction-sections -fshort-wchar -fno-builtin -fplan9-extensions -fstrict-volatile-bitfields -flto -fno-use-linker-plugin" )
## GCC Compiler
else ()
set ( TUNING "-D_bootloader_ -Wno-main -msoft-float -mthumb -fplan9-extensions -ffunction-sections -fdata-sections -fno-builtin -fstrict-volatile-bitfields -flto -fno-use-linker-plugin -nostdlib" )
#set( TUNING "-mthumb -fdata-sections -ffunction-sections -fno-builtin -msoft-float -fstrict-volatile-bitfields -flto -fno-use-linker-plugin -fwhole-program -Wno-main -nostartfiles -fplan9-extensions -D_bootloader_" )
endif ()
#| Firmware Compiler Flags
else ()
## Clang Compiler
if ( "${COMPILER}" MATCHES "clang" )
set ( TUNING "-target arm-none-eabi -mthumb -nostdlib -fdata-sections -ffunction-sections -fshort-wchar -fno-builtin" )
## GCC Compiler
else()
set( TUNING "-mthumb -nostdlib -fdata-sections -ffunction-sections -fshort-wchar -fno-builtin -nostartfiles" )
endif ()
endif()
#| Optimization level, can be [0, 1, 2, 3, s].
#| 0 = turn off optimization. s = optimize for size.
#| (Note: 3 is not always the best optimization level.)
set( OPT "s" )
#| Dependency Files
#| Compiler flags to generate dependency files.
set( GENDEPFLAGS "-MMD" )
#| Compiler Flags
add_definitions( "-mcpu=${CPU} -DF_CPU=${F_CPU} -D_${CHIP}_=1 -O${OPT} ${TUNING} ${WARN} ${CSTANDARD} ${GENDEPFLAGS}" )
#| Linker Flags
if( BOOTLOADER )
# Bootloader linker flags
set( LINKER_FLAGS "${TUNING} -Wl,--gc-sections -fwhole-program -T${CMAKE_CURRENT_SOURCE_DIR}/../Lib/${CHIP}.bootloader.ld -nostartfiles -Wl,-Map=link.map" )
else()
# Normal linker flags
set( LINKER_FLAGS "${TUNING} -Wl,-Map=link.map,--cref -Wl,--gc-sections -Wl,--no-wchar-size-warning -T${CMAKE_CURRENT_SOURCE_DIR}/Lib/${CHIP}.ld" )
endif()
#| Hex Flags (XXX, CMake seems to have issues if you quote the arguments for the custom commands...)
set( HEX_FLAGS -O ihex -R .eeprom )
#| Binary Flags
set( BIN_FLAGS -O binary )
#| Lss Flags
if ( "${COMPILER}" MATCHES "clang" )
set( LSS_FLAGS -section-headers -triple=arm-none-eabi )
else ()
set( LSS_FLAGS -h -S -z )
endif ()