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abb_inth.c: check all interrupt causes, not just one The original code used if - else if - else if etc constructs, thus the first detected interrupt was the only one handled. However, Iota ITSTATREG is a clear-on-read register, thus if we only handle the first detected interrupt and skip checking the others, then the other interrupts will be lost, if more than one interrupt happened to occur in one ABB interrupt handling cycle - a form of rare race condition. Change the code to check all interrupts that were read in this cycle.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 13 Jun 2021 18:17:53 +0000
parents 08ecd0bd517d
children
line wrap: on
line source

#!/bin/sh

if [ $# -lt 1 -o $# -gt 2 ]
then
	echo "usage: $0 component-lib [flavor]" 1>&2
	exit 1
fi

LIBNAME="$1"

if [ -n "$2" ]
then
	recipe_file="components/$1-$2"
else
	recipe_file="components/$1"
fi

if [ ! -f "$recipe_file" ]
then
	echo "Error: $recipe_file not found" 1>&2
	exit 1
fi

if [ -z "$BUILD_DIR" ]
then
	echo "Error: BUILD_DIR= must be passed via environment" 1>&2
	exit 1
fi

set -e

mkdir -p $BUILD_DIR/$LIBNAME

# beginning of the Makefile
echo "all:	$LIBNAME.lib" > $BUILD_DIR/$LIBNAME/Makefile
echo >> $BUILD_DIR/$LIBNAME/Makefile

# shell functions to be used in the recipes

make_version() {
	case $# in
	    1)
		echo "$1_version.c:" >> $BUILD_DIR/$LIBNAME/Makefile
		echo "	../../scripts/make-version.sh $1 > $1_version.c" \
			>> $BUILD_DIR/$LIBNAME/Makefile
		;;
	    2)
		echo "$2_version.c:" >> $BUILD_DIR/$LIBNAME/Makefile
		echo "	../../scripts/make-version.sh $1 > $2_version.c" \
			>> $BUILD_DIR/$LIBNAME/Makefile
		;;
	    *)
		echo "Error: make_version takes 1 or 2 arguments" 1>&2
		exit 1
		;;
	esac
	echo >> $BUILD_DIR/$LIBNAME/Makefile
}

asm_file() {
	if [ $# != 1 ]
	then
		echo "Error: asm_file takes 1 argument" 1>&2
		exit 1
	fi
	objname=`basename "$1" .s`.obj
	helpers/makeline dep $objname "$1" >> $BUILD_DIR/$LIBNAME/Makefile
	helpers/makeline cmd ../../toolwrap/asm470 ${ASMFLAGS} "$1" '$@' \
		>> $BUILD_DIR/$LIBNAME/Makefile
	echo >> $BUILD_DIR/$LIBNAME/Makefile
	OBJS="$OBJS $objname"
}

cfile_plain() {
	if [ $# != 1 ]
	then
		echo "Error: cfile_plain takes 1 argument" 1>&2
		exit 1
	fi
	objname=`basename "$1" .c`.obj
	helpers/makeline dep $objname "$1" >> $BUILD_DIR/$LIBNAME/Makefile
	case "$objname" in
		*[A-Z]*)
			helpers/makeline cmd rm -f '$@' \
				>> $BUILD_DIR/$LIBNAME/Makefile
			;;
	esac
	helpers/makeline cmd ../../toolwrap/cl470 -q -c ${CFLAGS} ${CPPFLAGS} \
		"$1" >> $BUILD_DIR/$LIBNAME/Makefile
	case "$objname" in
		*[A-Z]*)
			objname_lc=`echo $objname | tr A-Z a-z`
			helpers/makeline cmd mv $objname_lc $objname \
				>> $BUILD_DIR/$LIBNAME/Makefile
			;;
	esac
	echo >> $BUILD_DIR/$LIBNAME/Makefile
	OBJS="$OBJS $objname"
}

cfile_str2ind() {
	if [ $# != 1 ]
	then
		echo "Error: cfile_str2ind takes 1 argument" 1>&2
		exit 1
	fi
	if [ "$USE_STR2IND" = 1 ]
	then
		objname=`basename "$1" .c`.obj
		pp_name=`echo $1 | sed -e 's/\.c$/.pp/' | tr A-Z a-z`
		pp__name=`echo $1 | sed -e 's/\.c$/.pp_/' | tr A-Z a-z`
		helpers/makeline dep $objname "$1" \
			>> $BUILD_DIR/$LIBNAME/Makefile
		case "$objname" in
			*[A-Z]*)
				helpers/makeline cmd rm -f '$@' \
					>> $BUILD_DIR/$LIBNAME/Makefile
				;;
		esac
		helpers/makeline cmd ../../toolwrap/cl470 -q -po -p? -x \
			${CPPFLAGS} "$1" >> $BUILD_DIR/$LIBNAME/Makefile
		helpers/makeline cmd ../../toolwrap/str2ind -a \
			-t ../str2ind.tab -l ../str2ind.log \
			-f "$pp_name" >> $BUILD_DIR/$LIBNAME/Makefile
		helpers/makeline cmd ../../toolwrap/cl470 -q -c ${CFLAGS} \
			"$pp__name" >> $BUILD_DIR/$LIBNAME/Makefile
		helpers/makeline cmd @rm -f "$pp_name" \
			>> $BUILD_DIR/$LIBNAME/Makefile
		helpers/makeline cmd @rm -f "$pp__name" \
			>> $BUILD_DIR/$LIBNAME/Makefile
		case "$objname" in
			*[A-Z]*)
				objname_lc=`echo $objname | tr A-Z a-z`
				helpers/makeline cmd mv $objname_lc $objname \
					>> $BUILD_DIR/$LIBNAME/Makefile
				;;
		esac
		echo >> $BUILD_DIR/$LIBNAME/Makefile
		OBJS="$OBJS $objname"
	else
		cfile_plain "$1"
	fi
}

cfile_symlink() {
	if [ $# != 1 ]
	then
		echo "Error: cfile_symlink takes 1 argument" 1>&2
		exit 1
	fi
	localcopy=`basename "$1"`
	echo "$localcopy:" >> $BUILD_DIR/$LIBNAME/Makefile
	echo "	ln -s $1 ." >> $BUILD_DIR/$LIBNAME/Makefile
	echo >> $BUILD_DIR/$LIBNAME/Makefile
	cfile_plain $localcopy
}

# invoke the recipe

SRC=../../src
OBJS=
. "$recipe_file"

# finish the Makefile

helpers/makeline dep $LIBNAME.lib ${OBJS} >> $BUILD_DIR/$LIBNAME/Makefile
echo '	../../toolwrap/ar470 r $@ $^' >> $BUILD_DIR/$LIBNAME/Makefile
echo >> $BUILD_DIR/$LIBNAME/Makefile
echo 'clean:' >> $BUILD_DIR/$LIBNAME/Makefile
echo '	rm -f *.obj *.lib *.c' >> $BUILD_DIR/$LIBNAME/Makefile