makedefs

#******************************************************************************
#
# makedefs - Definitions common to all makefiles.
#
# Copyright (c) 2005-2008 Luminary Micro, Inc.  All rights reserved.
# 
# Software License Agreement
# 
# Luminary Micro, Inc. (LMI) is supplying this software for use solely and
# exclusively on LMI's microcontroller products.
# 
# The software is owned by LMI and/or its suppliers, and is protected under
# applicable copyright laws.  All rights are reserved.  You may not combine
# this software with "viral" open-source software in order to form a larger
# program.  Any use in violation of the foregoing restrictions may subject
# the user to criminal sanctions under applicable laws, as well as to civil
# liability for the breach of the terms and conditions of this license.
# 
# THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
# OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
# LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
# CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
# 
# This is part of revision 3416 of the Stellaris Peripheral Driver Library.
#
#******************************************************************************

#******************************************************************************
#
# 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
#COMPILER=sourcerygxx
endif

#******************************************************************************
#
# The debugger to be used.
#
#******************************************************************************
ifndef DEBUGGER
ifeq (${COMPILER}, gcc)
DEBUGGER=gdb
else
ifeq (${COMPILER}, sourcerygxx)
DEBUGGER=gdb
else
DEBUGGER=gdb
endif
endif
endif

#******************************************************************************
#
# Definitions for using GCC.
#
#******************************************************************************
ifeq (${COMPILER}, gcc)

#
# Get the prefix for the tools to use.  Use arm-none-eabi if it exists,
# otherwise fall back to arm-stellaris-eabi.
#
PREFIX=${shell type arm-stellaris-eabi-gcc > /dev/null 2>&1 && \
         echo arm-stellaris-eabi || echo arm-none-eabi}
#PREFIX=arm-cortexm3-eabi

#
# The command for calling the compiler.
#
CC=${PREFIX}-gcc

#
# The flags passed to the assembler.
#
AFLAGS=-mthumb         \
       -mcpu=cortex-m3 \
       -MD             \
	   -lc
#AFLAGS=-mthumb         \
#	   -march=armv7    \
#	   -mfix-cortex-m3-ldrd \
#       -MD
#


#
# The flags passed to the compiler.
#
CFLAGS=-mthumb         \
       -mcpu=cortex-m3 \
       -MD             \
       -std=c99        \
       -Wall           \
       -pedantic       \
       -DPART_${PART}  \
       -c	\
       -I./include     


#-O2             \
#CFLAGS=-mthumb         \
#	   -march=armv7    \
#	   -mfix-cortex-m3-ldrd \
#       -MD             \
#       -std=c99        \
#       -Wall           \
#       -c	\
#       -I./include     


#
# 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
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}
LIBC=./lib/libc.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.
#
${COMPILER}/%.o: %.c
	@if [ 'x${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.
#
${COMPILER}/%.o: %.S
	@if [ 'x${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.
#
${COMPILER}/%.a:
	@if [ 'x${VERBOSE}' = x ];     \
	 then                          \
	     echo "  AR    ${@}";      \
	 else                          \
	     echo ${AR} -cr ${@} ${^}; \
	 fi
	@${AR} -cr ${@} ${^}

#
# The rule for linking the application.
#
${COMPILER}/%.axf:
	@if [ 'x${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 $${ldname}                                         \
	          --entry ${ENTRY_${notdir ${@:.axf=}}}                       \
	          ${LDFLAGSgcc_${notdir ${@:.axf=}}}                          \
	          ${LDFLAGS} -o ${@} $(filter %.o %.a, ${^})                  \
	          '${LIBC}' '${LIBGCC}';                                      \
	 fi;                                                                  \
	${LD} -T $${ldname}                                                   \
	      --entry ${ENTRY_${notdir ${@:.axf=}}}                           \
	      ${LDFLAGSgcc_${notdir ${@:.axf=}}}                              \
	      ${LDFLAGS} -o ${@} $(filter %.o %.a, ${^})                      \
	      '${LIBC}' '${LIBGCC}'
	@${OBJCOPY} -O binary ${@} ${@:.axf=.bin}
#for gdb
	cp ${@}${LNK_SCP} ../gdb
endif