-
Notifications
You must be signed in to change notification settings - Fork 3
/
toolchain-arm-none-eabi-rpi.cmake
67 lines (50 loc) · 2.97 KB
/
toolchain-arm-none-eabi-rpi.cmake
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
# Part of the Raspberry-Pi Bare Metal Tutorials
# Copyright (c) 2013-2015, Brian Sidebotham
# All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# A CMake toolchain file so we can cross-compile for the Rapsberry-Pi bare-metal
include(CMakeForceCompiler)
# usage
# cmake -DCMAKE_TOOLCHAIN_FILE=../toolchain-arm-none-eabi.cmake ../
# The Generic system name is used for embedded targets (targets without OS) in
# CMake
set( CMAKE_SYSTEM_NAME Generic )
set( CMAKE_SYSTEM_PROCESSOR BCM2835 )
# Set a toolchain path. You only need to set this if the toolchain isn't in
# your system path. Don't forget a trailing path separator!
set( TC_PATH "" )
# The toolchain prefix for all toolchain executables
set( CROSS_COMPILE arm-none-eabi- )
# specify the cross compiler. We force the compiler so that CMake doesn't
# attempt to build a simple test program as this will fail without us using
# the -nostartfiles option on the command line
CMAKE_FORCE_C_COMPILER( ${TC_PATH}${CROSS_COMPILE}gcc GNU )
# We must set the OBJCOPY setting into cache so that it's available to the
# whole project. Otherwise, this does not get set into the CACHE and therefore
# the build doesn't know what the OBJCOPY filepath is
set( CMAKE_OBJCOPY ${TC_PATH}${CROSS_COMPILE}objcopy
CACHE FILEPATH "The toolchain objcopy command " FORCE )
# Set the CMAKE C flags (which should also be used by the assembler!
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp" )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfloat-abi=hard" )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=armv6zk" )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mtune=arm1176jzf-s" )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "" )
set( CMAKE_ASM_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "" )