Add support for FT32 platform.
This commit is contained in:
Jeff Johnston
parent
82d7069a5e
commit
dc09f27aaa
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@ -1,3 +1,27 @@
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2015-09-04 James Bowman <james.bowman@ftdichip.com>
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* configure.in: Add ft32 support.
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* ft32/sbrk.c: New file.
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* ft32/sim-close.S: Ditto.
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* ft32/sim-exit.S: Ditto.
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* ft32/sim-inbyte.c: Ditto.
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* ft32/sim.ld: Ditto.
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* ft32/sim-lseek.c: Ditto.
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* ft32/sim-lseek.S: Ditto.
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* ft32/sim-open.S: Ditto.
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* ft32/sim-read.S: Ditto.
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* ft32/sim-time.c: Ditto.
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* ft32/sim-unlink.S: Ditto.
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* ft32/sim-write.S: Ditto.
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* ft32/stat.c: Ditto.
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* ft32/configure.in: Ditto.
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* ft32/crt0.S: Ditto.
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* ft32/fstat.c: Ditto.
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* ft32/getpid.c: Ditto.
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* ft32/isatty.c: Ditto.
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* ft32/kill.c: Ditto.
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* ft32/Makefile.in: Ditto.
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2015-08-20 Nick Clifton <nickc@redhat.com>
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PR libgloss/18786
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@ -105,6 +105,9 @@ case "${target}" in
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frv*-*-*)
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AC_CONFIG_SUBDIRS([frv])
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;;
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ft32*-*-*)
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AC_CONFIG_SUBDIRS([ft32])
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;;
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lm32*-*-*)
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AC_CONFIG_SUBDIRS([lm32])
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;;
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@ -0,0 +1,129 @@
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# Copyright (C) 2015 FTDI (support@ftdichip.com)
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#
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# The authors hereby grant permission to use, copy, modify, distribute,
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# and license this software and its documentation for any purpose, provided
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# that existing copyright notices are retained in all copies and that this
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# notice is included verbatim in any distributions. No written agreement,
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# license, or royalty fee is required for any of the authorized uses.
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# Modifications to this software may be copyrighted by their authors
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# and need not follow the licensing terms described here, provided that
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# the new terms are clearly indicated on the first page of each file where
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# they apply.
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# Makefile for libgloss/spro. This is the board support code for the
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# ft32 target.
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DESTDIR =
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VPATH = @srcdir@ @srcdir@/..
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srcdir = @srcdir@
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objdir = .
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srcroot = $(srcdir)/../..
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objroot = $(objdir)/../..
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prefix = @prefix@
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exec_prefix = @exec_prefix@
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host_alias = @host_alias@
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target_alias = @target_alias@
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bindir = @bindir@
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libdir = @libdir@
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tooldir = $(exec_prefix)/$(target_alias)
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# Multilib support variables.
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# TOP is used instead of MULTI{BUILD,SRC}TOP.
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MULTIDIRS =
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MULTISUBDIR =
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MULTIDO = true
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MULTICLEAN = true
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INSTALL = @INSTALL@
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INSTALL_PROGRAM = @INSTALL_PROGRAM@
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INSTALL_DATA = @INSTALL_DATA@
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SHELL = /bin/sh
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CC = @CC@
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AS = @AS@
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AR = @AR@
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LD = @LD@
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RANLIB = @RANLIB@
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AR_FLAGS = rc
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OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \
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then echo ${objroot}/../binutils/objdump ; \
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else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi`
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OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \
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then echo ${objroot}/../binutils/objcopy ; \
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else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi`
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LD_SCRIPTS = ft32-elf-common.ld sim.ld
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CRT0 = crt0.o
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SIM_BSP = libsim.a
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SIM_OBJS = fstat.o \
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getpid.o \
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isatty.o \
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kill.o \
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sbrk.o \
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sim-close.o \
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sim-exit.o \
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sim-inbyte.o \
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sim-lseek.o \
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sim-open.o \
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sim-read.o \
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sim-time.o \
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sim-unlink.o \
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sim-write.o \
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stat.o
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#### Host specific Makefile fragment comes in here.
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@host_makefile_frag@
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all: $(CRT0) $(SIM_BSP)
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$(SIM_BSP): $(SIM_OBJS)
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$(AR) $(ARFLAGS) $@ $?
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$(RANLIB) $@
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fstat.o: $(srcdir)/fstat.c
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getpid.o: $(srcdir)/getpid.c
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isatty.o: $(srcdir)/isatty.c
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kill.o: $(srcdir)/kill.c
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putnum.o: $(srcdir)/putnum.c
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sbrk.o: $(srcdir)/sbrk.c
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sim-close.o: $(srcdir)/sim-close.S
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sim-exit.o: $(srcdir)/sim-exit.S
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sim-inbyte.o: $(srcdir)/sim-inbyte.c
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sim-lseek.o: $(srcdir)/sim-lseek.c
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sim-open.o: $(srcdir)/sim-open.S
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sim-read.o: $(srcdir)/sim-read.S
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sim-time.o: $(srcdir)/sim-time.c
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sim-unlink.o: $(srcdir)/sim-unlink.S
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sim-write.o: $(srcdir)/sim-write.S
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stat.o: $(srcdir)/stat.c
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install: $($(CPU)_INSTALL)
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$(INSTALL_DATA) $(CRT0) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(CRT0)
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$(INSTALL_DATA) $(SIM_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(SIM_BSP)
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for x in ${LD_SCRIPTS}; do \
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${INSTALL_DATA} ${srcdir}/$$x $(DESTDIR)${tooldir}/lib/$$x; \
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done;
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clean mostlyclean:
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rm -f *.o *.a
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distclean maintainer-clean realclean: clean
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rm -f Makefile config.cache config.log config.status
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.PHONY: info dvi doc install-info clean-info
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info doc dvi:
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install-info:
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clean-info:
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Makefile: Makefile.in config.status @host_makefile_frag_path@
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$(SHELL) config.status
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config.status: configure
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$(SHELL) config.status --recheck
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@ -0,0 +1,404 @@
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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|
||||
# some people rename them; so instead we look at the file content.
|
||||
# Grep'ing the first line is not enough: some people post-process
|
||||
# each Makefile.in and add a new line on top of each file to say so.
|
||||
# Grep'ing the whole file is not good either: AIX grep has a line
|
||||
# limit of 2048, but all sed's we know have understand at least 4000.
|
||||
if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
|
||||
dirpart=`AS_DIRNAME("$mf")`
|
||||
else
|
||||
continue
|
||||
fi
|
||||
# Extract the definition of DEPDIR, am__include, and am__quote
|
||||
# from the Makefile without running `make'.
|
||||
DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
|
||||
test -z "$DEPDIR" && continue
|
||||
am__include=`sed -n 's/^am__include = //p' < "$mf"`
|
||||
test -z "am__include" && continue
|
||||
am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
|
||||
# When using ansi2knr, U may be empty or an underscore; expand it
|
||||
U=`sed -n 's/^U = //p' < "$mf"`
|
||||
# Find all dependency output files, they are included files with
|
||||
# $(DEPDIR) in their names. We invoke sed twice because it is the
|
||||
# simplest approach to changing $(DEPDIR) to its actual value in the
|
||||
# expansion.
|
||||
for file in `sed -n "
|
||||
s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
|
||||
sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
|
||||
# Make sure the directory exists.
|
||||
test -f "$dirpart/$file" && continue
|
||||
fdir=`AS_DIRNAME(["$file"])`
|
||||
AS_MKDIR_P([$dirpart/$fdir])
|
||||
# echo "creating $dirpart/$file"
|
||||
echo '# dummy' > "$dirpart/$file"
|
||||
done
|
||||
done
|
||||
}
|
||||
])# _AM_OUTPUT_DEPENDENCY_COMMANDS
|
||||
|
||||
|
||||
# AM_OUTPUT_DEPENDENCY_COMMANDS
|
||||
# -----------------------------
|
||||
# This macro should only be invoked once -- use via AC_REQUIRE.
|
||||
#
|
||||
# This code is only required when automatic dependency tracking
|
||||
# is enabled. FIXME. This creates each `.P' file that we will
|
||||
# need in order to bootstrap the dependency handling code.
|
||||
AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
|
||||
[AC_CONFIG_COMMANDS([depfiles],
|
||||
[test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
|
||||
[AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
|
||||
])
|
||||
|
||||
# Copyright (C) 2003, 2005 Free Software Foundation, Inc.
|
||||
#
|
||||
# This file is free software; the Free Software Foundation
|
||||
# gives unlimited permission to copy and/or distribute it,
|
||||
# with or without modifications, as long as this notice is preserved.
|
||||
|
||||
# serial 2
|
||||
|
||||
# Check whether the underlying file-system supports filenames
|
||||
# with a leading dot. For instance MS-DOS doesn't.
|
||||
AC_DEFUN([AM_SET_LEADING_DOT],
|
||||
[rm -rf .tst 2>/dev/null
|
||||
mkdir .tst 2>/dev/null
|
||||
if test -d .tst; then
|
||||
am__leading_dot=.
|
||||
else
|
||||
am__leading_dot=_
|
||||
fi
|
||||
rmdir .tst 2>/dev/null
|
||||
AC_SUBST([am__leading_dot])])
|
||||
|
||||
# Check to see how 'make' treats includes. -*- Autoconf -*-
|
||||
|
||||
# Copyright (C) 2001, 2002, 2003, 2005, 2009 Free Software Foundation, Inc.
|
||||
#
|
||||
# This file is free software; the Free Software Foundation
|
||||
# gives unlimited permission to copy and/or distribute it,
|
||||
# with or without modifications, as long as this notice is preserved.
|
||||
|
||||
# serial 4
|
||||
|
||||
# AM_MAKE_INCLUDE()
|
||||
# -----------------
|
||||
# Check to see how make treats includes.
|
||||
AC_DEFUN([AM_MAKE_INCLUDE],
|
||||
[am_make=${MAKE-make}
|
||||
cat > confinc << 'END'
|
||||
am__doit:
|
||||
@echo this is the am__doit target
|
||||
.PHONY: am__doit
|
||||
END
|
||||
# If we don't find an include directive, just comment out the code.
|
||||
AC_MSG_CHECKING([for style of include used by $am_make])
|
||||
am__include="#"
|
||||
am__quote=
|
||||
_am_result=none
|
||||
# First try GNU make style include.
|
||||
echo "include confinc" > confmf
|
||||
# Ignore all kinds of additional output from `make'.
|
||||
case `$am_make -s -f confmf 2> /dev/null` in #(
|
||||
*the\ am__doit\ target*)
|
||||
am__include=include
|
||||
am__quote=
|
||||
_am_result=GNU
|
||||
;;
|
||||
esac
|
||||
# Now try BSD make style include.
|
||||
if test "$am__include" = "#"; then
|
||||
echo '.include "confinc"' > confmf
|
||||
case `$am_make -s -f confmf 2> /dev/null` in #(
|
||||
*the\ am__doit\ target*)
|
||||
am__include=.include
|
||||
am__quote="\""
|
||||
_am_result=BSD
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
AC_SUBST([am__include])
|
||||
AC_SUBST([am__quote])
|
||||
AC_MSG_RESULT([$_am_result])
|
||||
rm -f confinc confmf
|
||||
])
|
||||
|
||||
# Copyright (C) 2006, 2008 Free Software Foundation, Inc.
|
||||
#
|
||||
# This file is free software; the Free Software Foundation
|
||||
# gives unlimited permission to copy and/or distribute it,
|
||||
# with or without modifications, as long as this notice is preserved.
|
||||
|
||||
# serial 2
|
||||
|
||||
# _AM_SUBST_NOTMAKE(VARIABLE)
|
||||
# ---------------------------
|
||||
# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
|
||||
# This macro is traced by Automake.
|
||||
AC_DEFUN([_AM_SUBST_NOTMAKE])
|
||||
|
||||
# AM_SUBST_NOTMAKE(VARIABLE)
|
||||
# ---------------------------
|
||||
# Public sister of _AM_SUBST_NOTMAKE.
|
||||
AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
|
||||
|
||||
m4_include([../acinclude.m4])
|
||||
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,55 @@
|
|||
dnl Process this file with autoconf to produce a configure script.
|
||||
AC_PREREQ(2.59)
|
||||
AC_INIT(crt0.S)
|
||||
|
||||
if test "${enable_shared}" = "yes" ; then
|
||||
echo "Shared libraries not supported for cross compiling, ignored"
|
||||
fi
|
||||
|
||||
if test "$srcdir" = "." ; then
|
||||
if test "${with_target_subdir}" != "." ; then
|
||||
libgloss_topdir="${srcdir}/${with_multisrctop}../../.."
|
||||
else
|
||||
libgloss_topdir="${srcdir}/${with_multisrctop}../.."
|
||||
fi
|
||||
else
|
||||
libgloss_topdir="${srcdir}/../.."
|
||||
fi
|
||||
AC_CONFIG_AUX_DIR($libgloss_topdir)
|
||||
|
||||
AC_CANONICAL_SYSTEM
|
||||
AC_ARG_PROGRAM
|
||||
|
||||
AC_PROG_INSTALL
|
||||
|
||||
LIB_AC_PROG_CC
|
||||
|
||||
AS=${AS-as}
|
||||
AC_SUBST(AS)
|
||||
AR=${AR-ar}
|
||||
AC_SUBST(AR)
|
||||
LD=${LD-ld}
|
||||
AC_SUBST(LD)
|
||||
AC_PROG_RANLIB
|
||||
LIB_AM_PROG_AS
|
||||
|
||||
host_makefile_frag=${srcdir}/../config/default.mh
|
||||
|
||||
dnl We have to assign the same value to other variables because autoconf
|
||||
dnl doesn't provide a mechanism to substitute a replacement keyword with
|
||||
dnl arbitrary data or pathnames.
|
||||
dnl
|
||||
host_makefile_frag_path=$host_makefile_frag
|
||||
AC_SUBST(host_makefile_frag_path)
|
||||
AC_SUBST_FILE(host_makefile_frag)
|
||||
|
||||
AC_CONFIG_FILES(Makefile,
|
||||
. ${libgloss_topdir}/config-ml.in,
|
||||
srcdir=${srcdir}
|
||||
target=${target}
|
||||
with_multisubdir=${with_multisubdir}
|
||||
ac_configure_args="${ac_configure_args} --enable-multilib"
|
||||
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
|
||||
libgloss_topdir=${libgloss_topdir}
|
||||
)
|
||||
AC_OUTPUT
|
||||
|
|
@ -0,0 +1,73 @@
|
|||
/* crt0.S -- startup file for FT32
|
||||
*
|
||||
* Copyright (c) 2015 FTDI
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
.globl __start
|
||||
.weak _start
|
||||
.text
|
||||
.type __start,@function
|
||||
|
||||
__start:
|
||||
_start:
|
||||
|
||||
jmp truestart
|
||||
jmp truestart
|
||||
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
reti
|
||||
|
||||
truestart:
|
||||
ldk.l $sp, 0xfffc /* set the top of stack */
|
||||
ldk.l $fp,0 /* zero fp to allow unwinders to stop */
|
||||
|
||||
/* Set argc and argv to zero */
|
||||
ldk.l $r0, 0
|
||||
ldk.l $r1, 0
|
||||
|
||||
sub.l $sp,$sp,24 # room for the args to main
|
||||
call main
|
||||
call exit
|
||||
|
||||
.Lend:
|
||||
.size __start,(.Lend-__start)
|
||||
|
|
@ -0,0 +1,30 @@
|
|||
/* fstat.c -- get status of a file.
|
||||
*
|
||||
* Copyright (C) 2015 FTDI (support@ftdichip.com)
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
#include <sys/stat.h>
|
||||
#include "glue.h"
|
||||
|
||||
/*
|
||||
* fstat -- Since we have no file system, we just return an error.
|
||||
*/
|
||||
int
|
||||
_DEFUN (_fstat, (fd, buf),
|
||||
int fd _AND
|
||||
struct stat *buf)
|
||||
{
|
||||
buf->st_mode = S_IFCHR; /* Always pretend to be a tty */
|
||||
buf->st_blksize = 0;
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
|
@ -0,0 +1,25 @@
|
|||
/* getpid.c -- get the current process id.
|
||||
*
|
||||
* Copyright (C) 2015 FTDI (support@ftdichip.com)
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
#include "glue.h"
|
||||
|
||||
/*
|
||||
* getpid -- only one process, so just return 1.
|
||||
*/
|
||||
int
|
||||
_DEFUN (_getpid, (),
|
||||
)
|
||||
{
|
||||
return __MYPID;
|
||||
}
|
||||
|
|
@ -0,0 +1,27 @@
|
|||
/* isatty.c -- chek the terminal device.
|
||||
*
|
||||
* Copyright (C) 2015 FTDI (support@ftdichip.com)
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
#include "glue.h"
|
||||
|
||||
/*
|
||||
* isatty -- returns 1 if connected to a terminal device,
|
||||
* returns 0 if not. Since we're hooked up to a
|
||||
* serial port, we'll say yes _AND return a 1.
|
||||
*/
|
||||
int
|
||||
_DEFUN (_isatty, (fd),
|
||||
int fd)
|
||||
{
|
||||
return (1);
|
||||
}
|
||||
|
|
@ -0,0 +1,30 @@
|
|||
/* kill.c -- remove a process.
|
||||
*
|
||||
* Copyright (C) 2015 FTDI (support@ftdichip.com)
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
#include "glue.h"
|
||||
|
||||
extern void _exit (int) __attribute__((__noreturn__));
|
||||
|
||||
/*
|
||||
* kill -- go out via exit...
|
||||
*/
|
||||
int
|
||||
_DEFUN (_kill, (pid, sig),
|
||||
int pid _AND
|
||||
int sig)
|
||||
{
|
||||
if(pid == __MYPID)
|
||||
_exit(sig);
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,45 @@
|
|||
/* sbrk.c -- allocate memory dynamically.
|
||||
*
|
||||
*
|
||||
* Copyright (C) 2015 FTDI (support@ftdichip.com)
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
#include <errno.h>
|
||||
#include "glue.h"
|
||||
|
||||
char *__heap_ptr = (char *)&_end;
|
||||
|
||||
/*
|
||||
* sbrk -- changes heap size size. Get nbytes more
|
||||
* RAM. We just increment a pointer in what's
|
||||
* left of memory on the board.
|
||||
*/
|
||||
char *
|
||||
_sbrk (nbytes)
|
||||
int nbytes;
|
||||
{
|
||||
char *base;
|
||||
char *sp;
|
||||
char canary;
|
||||
|
||||
if ((__heap_ptr + nbytes) < (&canary - 2000))
|
||||
{
|
||||
base = __heap_ptr;
|
||||
__heap_ptr += nbytes;
|
||||
return base;
|
||||
}
|
||||
else
|
||||
{
|
||||
errno = ENOMEM;
|
||||
return ((char *)-1);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
/*
|
||||
* sim-close.S -- close interface for FT32 simulator
|
||||
*
|
||||
* Copyright (C) 2015 FTDI (support@ftdichip.com)
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include "syscall.h"
|
||||
|
||||
/*
|
||||
* Input:
|
||||
* $r0 -- File descriptor to close.
|
||||
*
|
||||
* Output:
|
||||
* $r0 -- 0 or -1.
|
||||
* errno -- Set if an error
|
||||
*/
|
||||
|
||||
.globl _close
|
||||
.type _close,@function
|
||||
.weak close
|
||||
.text
|
||||
_close:
|
||||
close:
|
||||
# swi SYS_close
|
||||
return
|
||||
.Lend:
|
||||
.size _close,.Lend-_close
|
||||
|
|
@ -0,0 +1,34 @@
|
|||
/*
|
||||
* sim-exit.S -- _exit interface for FT32 simulator
|
||||
*
|
||||
* Copyright (C) 2015 FTDI (support@ftdichip.com)
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include "syscall.h"
|
||||
|
||||
/*
|
||||
* Input:
|
||||
* $r0 -- exit value
|
||||
*
|
||||
* Output:
|
||||
* none
|
||||
*/
|
||||
|
||||
.globl _exit
|
||||
.type _exit,@function
|
||||
.text
|
||||
_exit:
|
||||
# swi SYS_exit
|
||||
sta.l 0x1fffc,$r0
|
||||
.Lend:
|
||||
.size _exit,.Lend-_exit
|
||||
|
|
@ -0,0 +1,26 @@
|
|||
/*
|
||||
* sim-inbyte.c -- read a character from standard input.
|
||||
*
|
||||
* Copyright (C) 2015 FTDI (support@ftdichip.com)
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
int
|
||||
inbyte ()
|
||||
{
|
||||
char c;
|
||||
|
||||
if (read (0, &c, 1) <= 0)
|
||||
return -1;
|
||||
|
||||
return c;
|
||||
}
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
/*
|
||||
* sim-lseek.S -- write interface for FT32 simulator
|
||||
*
|
||||
* Copyright (C) 2015 FTDI (support@ftdichip.com)
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <errno.h>
|
||||
|
||||
/*
|
||||
* lseek -- Since a simulated serial port is non-seekable, we return
|
||||
* an error.
|
||||
*/
|
||||
off_t
|
||||
_DEFUN (_lseek, (fd, offset, whence),
|
||||
int fd _AND
|
||||
off_t offset _AND
|
||||
int whence)
|
||||
{
|
||||
errno = ESPIPE;
|
||||
return ((off_t)-1);
|
||||
}
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
/*
|
||||
* sim-lseek.S -- write interface for FT32 simulator
|
||||
*
|
||||
* Copyright (C) 2015 FTDI (support@ftdichip.com)
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <errno.h>
|
||||
|
||||
/*
|
||||
* lseek -- Since a simulated serial port is non-seekable, we return
|
||||
* an error.
|
||||
*/
|
||||
off_t
|
||||
_DEFUN (_lseek, (fd, offset, whence),
|
||||
int fd _AND
|
||||
off_t offset _AND
|
||||
int whence)
|
||||
{
|
||||
/* errno = ESPIPE; */
|
||||
return ((off_t)-1);
|
||||
}
|
||||
|
|
@ -0,0 +1,39 @@
|
|||
/*
|
||||
* sim-open.S -- open interface for FT32 simulator
|
||||
*
|
||||
* Copyright (C) 2015 FTDI (support@ftdichip.com)
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include "syscall.h"
|
||||
|
||||
/*
|
||||
* Input:
|
||||
* $r0 -- File name to open.
|
||||
* $r1 -- open mode.
|
||||
* -0x12($fp) -- optionally, the permission bits to set the file to.
|
||||
*
|
||||
* Output:
|
||||
* $r0 -- file descriptor or -1.
|
||||
* errno -- Set if an error
|
||||
*/
|
||||
|
||||
.globl _open
|
||||
.type _open,@function
|
||||
.weak open
|
||||
.text
|
||||
_open:
|
||||
open:
|
||||
# swi SYS_open
|
||||
return
|
||||
.Lend:
|
||||
.size _open,.Lend-_open
|
||||
|
|
@ -0,0 +1,39 @@
|
|||
/*
|
||||
* sim-read.S -- read interface for FT32 simulator
|
||||
*
|
||||
* Copyright (C) 2015 FTDI (support@ftdichip.com)
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include "syscall.h"
|
||||
|
||||
/*
|
||||
* Input:
|
||||
* $r0 -- File descriptor.
|
||||
* $r1 -- Buffer to be read into.
|
||||
* -0x12($fp) -- Length of the buffer.
|
||||
*
|
||||
* Output:
|
||||
* $r0 -- Length read or -1.
|
||||
* errno -- Set if an error
|
||||
*/
|
||||
|
||||
.globl _read
|
||||
.type _read,@function
|
||||
.weak read
|
||||
.text
|
||||
_read:
|
||||
read:
|
||||
# swi SYS_read
|
||||
return
|
||||
.Lend:
|
||||
.size _read,.Lend-_read
|
||||
|
|
@ -0,0 +1,47 @@
|
|||
/* sim-time.c -- stubs so clock can be linked in.
|
||||
*
|
||||
* Copyright (C) 2015 FTDI (support@ftdichip.com)
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
#include <errno.h>
|
||||
#include <sys/time.h>
|
||||
#include <sys/times.h>
|
||||
#include "glue.h"
|
||||
|
||||
/*
|
||||
* _times -- no clock, so return an error.
|
||||
*/
|
||||
int
|
||||
_DEFUN (_times, _times (buf),
|
||||
struct tms *buf)
|
||||
{
|
||||
errno = EINVAL;
|
||||
return (-1);
|
||||
}
|
||||
|
||||
/*
|
||||
* _gettimeofday -- implement in terms of time, which means we can't return the
|
||||
* microseconds.
|
||||
*/
|
||||
int
|
||||
_DEFUN (_gettimeofday, _gettimeofday (tv, tz),
|
||||
struct timeval *tv _AND
|
||||
void *tzvp)
|
||||
{
|
||||
struct timezone *tz = tzvp;
|
||||
if (tz)
|
||||
tz->tz_minuteswest = tz->tz_dsttime = 0;
|
||||
|
||||
tv->tv_usec = 0;
|
||||
tv->tv_sec = 0;
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
/*
|
||||
* sim-unlink.S -- write interface for FT32 simulator
|
||||
*
|
||||
* Copyright (C) 2015 FTDI (support@ftdichip.com)
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include "syscall.h"
|
||||
|
||||
.globl _unlink
|
||||
.type _unlink,@function
|
||||
.weak unlink
|
||||
.text
|
||||
_unlink:
|
||||
unlink:
|
||||
return
|
||||
.Lend:
|
||||
.size _unlink,.Lend-_unlink
|
||||
|
||||
.globl _link
|
||||
.type _link,@function
|
||||
.weak link
|
||||
.text
|
||||
_link:
|
||||
link:
|
||||
return
|
||||
.Lend1:
|
||||
.size _link,.Lend1-_link
|
||||
|
|
@ -0,0 +1,56 @@
|
|||
/*
|
||||
* sim-write.S -- write interface for FT32 simulator
|
||||
*
|
||||
* Copyright (C) 2015 FTDI (support@ftdichip.com)
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include "syscall.h"
|
||||
|
||||
/*
|
||||
* Input:
|
||||
* $r0 -- File descriptor.
|
||||
* $r1 -- String to be printed.
|
||||
* $r2 -- Length of the string.
|
||||
*
|
||||
* Output:
|
||||
* $r0 -- Length written or -1.
|
||||
* errno -- Set if an error
|
||||
*/
|
||||
|
||||
.globl _write
|
||||
.type _write,@function
|
||||
.weak write
|
||||
.text
|
||||
_write:
|
||||
write:
|
||||
|
||||
# LDI.l $r1,$r0,0
|
||||
# STA.l MAGIC,$r1
|
||||
# jmp .f
|
||||
#
|
||||
# .loop:
|
||||
# sta.l 0x10000,$r2
|
||||
# add.l $r0,$r0,1
|
||||
# .f:
|
||||
# ldi.b $r2,$r0,0
|
||||
# cmp.b $r2,0
|
||||
# jmpc nz,.loop
|
||||
|
||||
ldk.l $r3,0x10000
|
||||
streamout.b $r3,$r1,$r2
|
||||
move.l $r0,$r2
|
||||
|
||||
return
|
||||
|
||||
.Lend:
|
||||
.size _write,.Lend-_write
|
||||
|
|
@ -0,0 +1,56 @@
|
|||
OUTPUT_FORMAT("elf32-ft32")
|
||||
OUTPUT_ARCH(ft32)
|
||||
|
||||
SEARCH_DIR(.)
|
||||
GROUP(-lsim -lc -lgcc -lsim)
|
||||
|
||||
MEMORY
|
||||
{
|
||||
flash (rx) : ORIGIN = 0, LENGTH = 256K
|
||||
ram (rw!x) : ORIGIN = 0x800000, LENGTH = 64K
|
||||
}
|
||||
SECTIONS
|
||||
{
|
||||
.text :
|
||||
{
|
||||
*(.text*)
|
||||
*(.strings)
|
||||
*(._pm*)
|
||||
*(.init)
|
||||
*(.fini)
|
||||
_etext = . ;
|
||||
} > flash
|
||||
.tors :
|
||||
{
|
||||
___ctors = . ;
|
||||
*(.ctors)
|
||||
___ctors_end = . ;
|
||||
___dtors = . ;
|
||||
*(.dtors)
|
||||
___dtors_end = . ;
|
||||
} > ram
|
||||
.data : AT (ADDR (.text) + SIZEOF (.text))
|
||||
{
|
||||
*(.data)
|
||||
*(.rodata)
|
||||
*(.rodata*)
|
||||
_edata = . ;
|
||||
} > ram
|
||||
.bss SIZEOF(.data) + ADDR(.data) :
|
||||
{
|
||||
_bss_start = . ;
|
||||
*(.bss)
|
||||
*(COMMON)
|
||||
_end = . ;
|
||||
} > ram
|
||||
__data_load_start = LOADADDR(.data);
|
||||
__data_load_end = __data_load_start + SIZEOF(.data);
|
||||
.stab 0 (NOLOAD) :
|
||||
{
|
||||
*(.stab)
|
||||
}
|
||||
.stabstr 0 (NOLOAD) :
|
||||
{
|
||||
*(.stabstr)
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,30 @@
|
|||
/* stat.c -- Get the status of a file.
|
||||
*
|
||||
* Copyright (C) 2015 FTDI (support@ftdichip.com)
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
#include <sys/stat.h>
|
||||
#include <errno.h>
|
||||
#include "glue.h"
|
||||
|
||||
/*
|
||||
* stat -- Since we have no file system, we just return an error.
|
||||
*/
|
||||
int
|
||||
_DEFUN (_stat, (path, buf),
|
||||
const char *path _AND
|
||||
struct stat *buf)
|
||||
{
|
||||
errno = EIO;
|
||||
return (-1);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue