blob: 9bb16602c12d61312df66804e2e788b1a83fcfa4 [file] [log] [blame]
#******************************************************************************
#
# makedefs - Definitions common to all makefiles.
#
# Copyright (c) 2005-2012 Texas Instruments Incorporated. All rights reserved.
# Software License Agreement
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 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.
#
# Neither the name of Texas Instruments Incorporated nor the names of
# its contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# 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
# OWNER 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.
#
# This is part of revision 9453 of the Stellaris Firmware Development Package.
#
#******************************************************************************
#******************************************************************************
#
# Get the operating system name. If this is Cygwin, the .d files will be
# munged to convert c: into /cygdrive/c so that "make" will be happy with the
# auto-generated dependencies.
#
#******************************************************************************
os:=${shell uname -s}
#******************************************************************************
#
# The compiler to be used.
#
#******************************************************************************
ifndef COMPILER
COMPILER=gcc
endif
#******************************************************************************
#
# Definitions for using GCC.
#
#******************************************************************************
ifeq (${COMPILER}, gcc)
#
# Get the prefix for the tools to use. Use arm-stellaris-eabi if it exists,
# otherwise fall back to arm-none-eabi.
#
PREFIX=${shell type arm-stellaris-eabi-gcc > /dev/null 2>&1 && \
echo arm-stellaris-eabi || echo arm-none-eabi}
#
# The command for calling the compiler.
#
CC=${PREFIX}-gcc
#
# The location of the C compiler
# ARMGCC_ROOT is used by some makefiles that need to know where the compiler
# is installed. It is not used further for normal stellarisware apps
#
ARMGCC_ROOT:=${shell dirname '${shell sh -c "which ${CC}"}'}/..
#
# Determine the compiler CPU/FPU options based on the processor variant.
#
ifndef VARIANT
CPU=-mcpu=cortex-m3
FPU=
else
ifeq (${VARIANT}, cm3)
CPU=-mcpu=cortex-m3
FPU=
else
ifeq (${VARIANT}, cm4f)
CPU=-mcpu=cortex-m4
FPU=-mfpu=fpv4-sp-d16 -mfloat-abi=softfp
else
$(error Unknown processor variant ${VARIANT}!)
endif
endif
endif
#
# The flags passed to the assembler.
#
AFLAGS=-mthumb \
${CPU} \
${FPU} \
-MD
#
# The flags passed to the compiler.
#
CFLAGS=-mthumb \
${CPU} \
${FPU} \
-Os \
-ffunction-sections \
-fdata-sections \
-MD \
-std=c99 \
-Wall \
-pedantic \
-DPART_${PART} \
-c
#
# The command for calling the library archiver.
#
AR=${PREFIX}-ar
#
# The command for calling the linker.
#
LD=${PREFIX}-ld
#
# The flags passed to the linker.
#
LDFLAGS=--gc-sections
#
# Get the location of libgcc.a from the GCC front-end.
#
LIBGCC=${shell ${CC} ${CFLAGS} -print-libgcc-file-name}
#
# Get the location of libc.a from the GCC front-end.
#
LIBC=${shell ${CC} ${CFLAGS} -print-file-name=libc.a}
#
# Get the location of libm.a from the GCC front-end.
#
LIBM=${shell ${CC} ${CFLAGS} -print-file-name=libm.a}
#
# The command for extracting images from the linked executables.
#
OBJCOPY=${PREFIX}-objcopy
#
# Tell the compiler to include debugging information if the DEBUG environment
# variable is set.
#
ifdef DEBUG
CFLAGS+=-g -D DEBUG
endif
#
# Add the tool specific CFLAGS.
#
CFLAGS+=${CFLAGSgcc}
#
# Add the include file paths to AFLAGS and CFLAGS.
#
AFLAGS+=${patsubst %,-I%,${subst :, ,${IPATH}}}
CFLAGS+=${patsubst %,-I%,${subst :, ,${IPATH}}}
#
# The rule for building the object file from each C source file.
#
${COMPILER}${SUFFIX}/%.o: %.c
@if [ 'x${VERBOSE}' = x ]; \
then \
echo " CC ${<}"; \
else \
echo ${CC} ${CFLAGS} -D${COMPILER} -o ${@} ${<}; \
fi
@${CC} ${CFLAGS} -D${COMPILER} -o ${@} ${<}
ifneq ($(findstring CYGWIN, ${os}), )
@sed -i -r 's/ ([A-Za-z]):/ \/cygdrive\/\1/g' ${@:.o=.d}
endif
#
# The rule for building the object file from each assembly source file.
#
${COMPILER}${SUFFIX}/%.o: %.S
@if [ 'x${VERBOSE}' = x ]; \
then \
echo " AS ${<}"; \
else \
echo ${CC} ${AFLAGS} -D${COMPILER} -o ${@} -c ${<}; \
fi
@${CC} ${AFLAGS} -D${COMPILER} -o ${@} -c ${<}
ifneq ($(findstring CYGWIN, ${os}), )
@sed -i -r 's/ ([A-Za-z]):/ \/cygdrive\/\1/g' ${@:.o=.d}
endif
#
# The rule for creating an object library.
#
${COMPILER}${SUFFIX}/%.a:
@if [ 'x${VERBOSE}' = x ]; \
then \
echo " AR ${@}"; \
else \
echo ${AR} -cr ${@} ${^}; \
fi
@${AR} -cr ${@} ${^}
#
# The rule for linking the application.
#
${COMPILER}${SUFFIX}/%.axf:
@if [ 'x${SCATTERgcc_${notdir ${@:.axf=}}}' = x ]; \
then \
ldname="${ROOT}/gcc/standalone.ld"; \
else \
ldname="${SCATTERgcc_${notdir ${@:.axf=}}}"; \
fi; \
if [ 'x${VERBOSE}' = x ]; \
then \
echo " LD ${@} ${LNK_SCP}"; \
else \
echo ${LD} -T $${ldname} \
--entry ${ENTRY_${notdir ${@:.axf=}}} \
${LDFLAGSgcc_${notdir ${@:.axf=}}} \
${LDFLAGS} -o ${@} $(filter %.o %.a, ${^}) \
'${LIBM}' '${LIBC}' '${LIBGCC}'; \
fi; \
${LD} -T $${ldname} \
--entry ${ENTRY_${notdir ${@:.axf=}}} \
${LDFLAGSgcc_${notdir ${@:.axf=}}} \
${LDFLAGS} -o ${@} $(filter %.o %.a, ${^}) \
'${LIBM}' '${LIBC}' '${LIBGCC}'
@${OBJCOPY} -O binary ${@} ${@:.axf=.bin}
endif