Jeff Johnston
18 years ago
14 changed files with 6333 additions and 2561 deletions
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@ -0,0 +1,101 @@ |
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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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mkinstalldirs = $(SHELL) $(srcroot)/mkinstalldirs |
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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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program_transform_name = @program_transform_name@ |
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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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INSTALL = @INSTALL@ |
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INSTALL_PROGRAM = @INSTALL_PROGRAM@ |
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INSTALL_DATA = @INSTALL_DATA@ |
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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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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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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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OBJS = isatty.o scall.o |
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SCRIPTS = sim.ld |
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CRT0S = crt0.o |
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BSPS = libgloss.a |
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# Host specific makefile fragment comes in here.
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@host_makefile_frag@ |
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all: $(CRT0S) $(BSPS) |
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libgloss.a: $(OBJS) |
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${AR} ${ARFLAGS} $@ $(OBJS) |
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${RANLIB} $@ |
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#
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# Standard targets
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#
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clean mostlyclean: |
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rm -f a.out core *.i *.o *-test *.srec *.dis *.x |
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distclean maintainer-clean realclean: clean |
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rm -f Makefile config.status *~ |
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.PHONY: install info install-info clean-info |
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install: install-scripts # install-includes
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@for crt0 in ${CRT0S}; do\
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$(INSTALL_PROGRAM) $${crt0} $(tooldir)/lib${MULTISUBDIR}; \
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done |
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@for bsp in ${BSPS}; do\
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$(INSTALL_PROGRAM) $${bsp} $(tooldir)/lib${MULTISUBDIR}; \
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done |
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install-includes: |
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$(mkinstalldirs) $(DESTDIR)$(tooldir)/include/excess; \
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for i in $(srcdir)/*.h; do \
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$(INSTALL_DATA) $$i $(DESTDIR)$(tooldir)/include/excess/`basename $$i`; \
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done; |
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install-scripts: |
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@for script in ${SCRIPTS}; do\
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$(INSTALL_DATA) ${srcdir}/$${script} $(tooldir)/lib${MULTISUBDIR}; \
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done |
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doc: |
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info: |
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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 +1,344 @@ |
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# generated automatically by aclocal 1.9.6 -*- Autoconf -*- |
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# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
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# 2005 Free Software Foundation, Inc. |
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# This file is free software; the Free Software Foundation |
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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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# even the implied warranty of MERCHANTABILITY or FITNESS FOR A |
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# PARTICULAR PURPOSE. |
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# AM_CONDITIONAL -*- Autoconf -*- |
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# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005 |
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# Free Software Foundation, Inc. |
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# |
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# This file is free software; the Free Software Foundation |
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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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# serial 7 |
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# AM_CONDITIONAL(NAME, SHELL-CONDITION) |
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# ------------------------------------- |
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# Define a conditional. |
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AC_DEFUN([AM_CONDITIONAL], |
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[AC_PREREQ(2.52)dnl |
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ifelse([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])], |
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[$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl |
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AC_SUBST([$1_TRUE]) |
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AC_SUBST([$1_FALSE]) |
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if $2; then |
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$1_TRUE= |
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$1_FALSE='#' |
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else |
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$1_TRUE='#' |
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$1_FALSE= |
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fi |
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AC_CONFIG_COMMANDS_PRE( |
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[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then |
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AC_MSG_ERROR([[conditional "$1" was never defined. |
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Usually this means the macro was only invoked conditionally.]]) |
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fi])]) |
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# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 |
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# Free Software Foundation, Inc. |
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# |
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# This file is free software; the Free Software Foundation |
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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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# serial 8 |
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# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be |
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# written in clear, in which case automake, when reading aclocal.m4, |
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# will think it sees a *use*, and therefore will trigger all it's |
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# C support machinery. Also note that it means that autoscan, seeing |
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# CC etc. in the Makefile, will ask for an AC_PROG_CC use... |
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# _AM_DEPENDENCIES(NAME) |
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# ---------------------- |
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# See how the compiler implements dependency checking. |
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# NAME is "CC", "CXX", "GCJ", or "OBJC". |
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# We try a few techniques and use that to set a single cache variable. |
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# |
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# We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was |
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# modified to invoke _AM_DEPENDENCIES(CC); we would have a circular |
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# dependency, and given that the user is not expected to run this macro, |
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# just rely on AC_PROG_CC. |
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AC_DEFUN([_AM_DEPENDENCIES], |
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[AC_REQUIRE([AM_SET_DEPDIR])dnl |
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AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl |
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AC_REQUIRE([AM_MAKE_INCLUDE])dnl |
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AC_REQUIRE([AM_DEP_TRACK])dnl |
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ifelse([$1], CC, [depcc="$CC" am_compiler_list=], |
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[$1], CXX, [depcc="$CXX" am_compiler_list=], |
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[$1], OBJC, [depcc="$OBJC" am_compiler_list='gcc3 gcc'], |
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[$1], GCJ, [depcc="$GCJ" am_compiler_list='gcc3 gcc'], |
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[depcc="$$1" am_compiler_list=]) |
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AC_CACHE_CHECK([dependency style of $depcc], |
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[am_cv_$1_dependencies_compiler_type], |
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[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then |
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# We make a subdir and do the tests there. Otherwise we can end up |
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# making bogus files that we don't know about and never remove. For |
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# instance it was reported that on HP-UX the gcc test will end up |
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# making a dummy file named `D' -- because `-MD' means `put the output |
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# in D'. |
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mkdir conftest.dir |
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# Copy depcomp to subdir because otherwise we won't find it if we're |
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# using a relative directory. |
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cp "$am_depcomp" conftest.dir |
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cd conftest.dir |
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# We will build objects and dependencies in a subdirectory because |
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# it helps to detect inapplicable dependency modes. For instance |
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# both Tru64's cc and ICC support -MD to output dependencies as a |
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# side effect of compilation, but ICC will put the dependencies in |
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# the current directory while Tru64 will put them in the object |
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# directory. |
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mkdir sub |
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am_cv_$1_dependencies_compiler_type=none |
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if test "$am_compiler_list" = ""; then |
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am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp` |
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fi |
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for depmode in $am_compiler_list; do |
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# Setup a source with many dependencies, because some compilers |
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# like to wrap large dependency lists on column 80 (with \), and |
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# we should not choose a depcomp mode which is confused by this. |
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# |
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# We need to recreate these files for each test, as the compiler may |
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# overwrite some of them when testing with obscure command lines. |
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# This happens at least with the AIX C compiler. |
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: > sub/conftest.c |
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for i in 1 2 3 4 5 6; do |
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echo '#include "conftst'$i'.h"' >> sub/conftest.c |
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# Using `: > sub/conftst$i.h' creates only sub/conftst1.h with |
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# Solaris 8's {/usr,}/bin/sh. |
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touch sub/conftst$i.h |
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done |
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echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf |
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case $depmode in |
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nosideeffect) |
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# after this tag, mechanisms are not by side-effect, so they'll |
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# only be used when explicitly requested |
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if test "x$enable_dependency_tracking" = xyes; then |
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continue |
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else |
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break |
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fi |
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;; |
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none) break ;; |
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esac |
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# We check with `-c' and `-o' for the sake of the "dashmstdout" |
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# mode. It turns out that the SunPro C++ compiler does not properly |
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# handle `-M -o', and we need to detect this. |
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if depmode=$depmode \ |
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source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \ |
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depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ |
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$SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \ |
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>/dev/null 2>conftest.err && |
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grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && |
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grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 && |
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${MAKE-make} -s -f confmf > /dev/null 2>&1; then |
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# icc doesn't choke on unknown options, it will just issue warnings |
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# or remarks (even with -Werror). So we grep stderr for any message |
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# that says an option was ignored or not supported. |
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# When given -MP, icc 7.0 and 7.1 complain thusly: |
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# icc: Command line warning: ignoring option '-M'; no argument required |
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# The diagnosis changed in icc 8.0: |
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# icc: Command line remark: option '-MP' not supported |
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if (grep 'ignoring option' conftest.err || |
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grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else |
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am_cv_$1_dependencies_compiler_type=$depmode |
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break |
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fi |
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fi |
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done |
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cd .. |
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rm -rf conftest.dir |
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else |
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am_cv_$1_dependencies_compiler_type=none |
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fi |
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]) |
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AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type]) |
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AM_CONDITIONAL([am__fastdep$1], [ |
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test "x$enable_dependency_tracking" != xno \ |
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&& test "$am_cv_$1_dependencies_compiler_type" = gcc3]) |
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]) |
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# AM_SET_DEPDIR |
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# ------------- |
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# Choose a directory name for dependency files. |
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# This macro is AC_REQUIREd in _AM_DEPENDENCIES |
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AC_DEFUN([AM_SET_DEPDIR], |
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[AC_REQUIRE([AM_SET_LEADING_DOT])dnl |
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AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl |
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]) |
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# AM_DEP_TRACK |
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# ------------ |
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AC_DEFUN([AM_DEP_TRACK], |
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[AC_ARG_ENABLE(dependency-tracking, |
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[ --disable-dependency-tracking speeds up one-time build |
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--enable-dependency-tracking do not reject slow dependency extractors]) |
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if test "x$enable_dependency_tracking" != xno; then |
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am_depcomp="$ac_aux_dir/depcomp" |
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AMDEPBACKSLASH='\' |
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fi |
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AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno]) |
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AC_SUBST([AMDEPBACKSLASH]) |
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]) |
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# Generate code to set up dependency tracking. -*- Autoconf -*- |
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# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 |
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# Free Software Foundation, Inc. |
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# |
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# This file is free software; the Free Software Foundation |
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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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#serial 3 |
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# _AM_OUTPUT_DEPENDENCY_COMMANDS |
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# ------------------------------ |
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AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS], |
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[for mf in $CONFIG_FILES; do |
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# Strip MF so we end up with the name of the file. |
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mf=`echo "$mf" | sed -e 's/:.*$//'` |
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# Check whether this is an Automake generated Makefile or not. |
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# We used to match only the files named `Makefile.in', but |
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# some people rename them; so instead we look at the file content. |
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# Grep'ing the first line is not enough: some people post-process |
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# each Makefile.in and add a new line on top of each file to say so. |
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# So let's grep whole file. |
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if grep '^#.*generated by automake' $mf > /dev/null 2>&1; then |
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dirpart=`AS_DIRNAME("$mf")` |
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else |
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continue |
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fi |
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# Extract the definition of DEPDIR, am__include, and am__quote |
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# from the Makefile without running `make'. |
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DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"` |
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test -z "$DEPDIR" && continue |
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am__include=`sed -n 's/^am__include = //p' < "$mf"` |
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test -z "am__include" && continue |
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am__quote=`sed -n 's/^am__quote = //p' < "$mf"` |
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# When using ansi2knr, U may be empty or an underscore; expand it |
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U=`sed -n 's/^U = //p' < "$mf"` |
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# Find all dependency output files, they are included files with |
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# $(DEPDIR) in their names. We invoke sed twice because it is the |
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# simplest approach to changing $(DEPDIR) to its actual value in the |
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# expansion. |
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for file in `sed -n " |
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s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \ |
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sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do |
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# Make sure the directory exists. |
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test -f "$dirpart/$file" && continue |
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fdir=`AS_DIRNAME(["$file"])` |
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AS_MKDIR_P([$dirpart/$fdir]) |
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# echo "creating $dirpart/$file" |
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echo '# dummy' > "$dirpart/$file" |
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done |
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done |
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])# _AM_OUTPUT_DEPENDENCY_COMMANDS |
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# AM_OUTPUT_DEPENDENCY_COMMANDS |
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# ----------------------------- |
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# This macro should only be invoked once -- use via AC_REQUIRE. |
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# |
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# This code is only required when automatic dependency tracking |
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# is enabled. FIXME. This creates each `.P' file that we will |
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# need in order to bootstrap the dependency handling code. |
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AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS], |
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[AC_CONFIG_COMMANDS([depfiles], |
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[test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS], |
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[AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"]) |
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]) |
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# Copyright (C) 2003, 2005 Free Software Foundation, Inc. |
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# |
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# This file is free software; the Free Software Foundation |
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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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|
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# serial 2 |
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# Check whether the underlying file-system supports filenames |
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# with a leading dot. For instance MS-DOS doesn't. |
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AC_DEFUN([AM_SET_LEADING_DOT], |
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[rm -rf .tst 2>/dev/null |
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mkdir .tst 2>/dev/null |
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if test -d .tst; then |
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am__leading_dot=. |
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else |
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am__leading_dot=_ |
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fi |
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rmdir .tst 2>/dev/null |
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AC_SUBST([am__leading_dot])]) |
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# Check to see how 'make' treats includes. -*- Autoconf -*- |
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# Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc. |
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# |
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# This file is free software; the Free Software Foundation |
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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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# serial 3 |
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# AM_MAKE_INCLUDE() |
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# ----------------- |
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# Check to see how make treats includes. |
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AC_DEFUN([AM_MAKE_INCLUDE], |
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[am_make=${MAKE-make} |
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cat > confinc << 'END' |
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am__doit: |
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@echo done |
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.PHONY: am__doit |
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END |
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# If we don't find an include directive, just comment out the code. |
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AC_MSG_CHECKING([for style of include used by $am_make]) |
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am__include="#" |
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am__quote= |
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_am_result=none |
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# First try GNU make style include. |
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echo "include confinc" > confmf |
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# We grep out `Entering directory' and `Leaving directory' |
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# messages which can occur if `w' ends up in MAKEFLAGS. |
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# In particular we don't look at `^make:' because GNU make might |
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# be invoked under some other name (usually "gmake"), in which |
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# case it prints its new name instead of `make'. |
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if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then |
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am__include=include |
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am__quote= |
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_am_result=GNU |
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fi |
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# Now try BSD make style include. |
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if test "$am__include" = "#"; then |
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echo '.include "confinc"' > confmf |
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if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then |
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am__include=.include |
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am__quote="\"" |
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_am_result=BSD |
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fi |
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fi |
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AC_SUBST([am__include]) |
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AC_SUBST([am__quote]) |
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AC_MSG_RESULT([$_am_result]) |
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rm -f confinc confmf |
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]) |
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m4_include([../acinclude.m4]) |
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@ -0,0 +1,55 @@ |
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dnl Process this file with autoconf to produce a configure script. |
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AC_PREREQ(2.59)dnl |
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AC_INIT(crt0.S) |
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|
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if test "${enable_shared}" = "yes" ; then |
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echo "Shared libraries not supported for cross compiling, ignored" |
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fi |
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if test "$srcdir" = "." ; then |
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if test "${with_target_subdir}" != "." ; then |
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libgloss_topdir="${srcdir}/${with_multisrctop}../../.." |
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else |
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libgloss_topdir="${srcdir}/${with_multisrctop}../.." |
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fi |
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else |
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libgloss_topdir="${srcdir}/../.." |
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fi |
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AC_CONFIG_AUX_DIR($libgloss_topdir) |
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AC_CANONICAL_SYSTEM |
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AC_ARG_PROGRAM |
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AC_PROG_INSTALL |
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LIB_AC_PROG_CC |
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AS=${AS-as} |
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AC_SUBST(AS) |
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AR=${AR-ar} |
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AC_SUBST(AR) |
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LD=${LD-ld} |
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AC_SUBST(LD) |
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AC_PROG_RANLIB |
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LIB_AM_PROG_AS |
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host_makefile_frag=${srcdir}/../config/default.mh |
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|
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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 +1,64 @@ |
|||
/* |
|||
* Lattice Mico32 C startup code. |
|||
* Contributed by Jon Beniston <jon@beniston.com> |
|||
* |
|||
* 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 AUTHOR 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 AUTHOR 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. |
|||
*/ |
|||
|
|||
.section .boot, "ax", @progbits |
|||
|
|||
/* Program starts here */ |
|||
|
|||
.global _start |
|||
_start: |
|||
|
|||
/* Setup stack and global pointer */ |
|||
mvhi sp, hi(_fstack) |
|||
ori sp, sp, lo(_fstack) |
|||
mvhi gp, hi(_gp) |
|||
ori gp, gp, lo(_gp) |
|||
|
|||
/* Clear BSS */ |
|||
mvhi r1, hi(_fbss) |
|||
ori r1, r1, lo(_fbss) |
|||
mvi r2, 0 |
|||
mvhi r3, hi(_ebss) |
|||
ori r3, r3, lo(_ebss) |
|||
sub r3, r3, r1 |
|||
calli memset |
|||
|
|||
/* Call C++ constructors */ |
|||
calli _init |
|||
|
|||
/* Call C++ destructors on exit */ |
|||
mvhi r1, hi(_fini) |
|||
ori r1, r1, lo(_fini) |
|||
calli atexit |
|||
|
|||
/* Call main program */ |
|||
mvi r1, 0 |
|||
mvi r2, 0 |
|||
mvi r3, 0 |
|||
calli main |
|||
|
|||
/* Call exit, which doesn't return, to perform any clean up */ |
|||
calli exit |
|||
@ -0,0 +1,43 @@ |
|||
/*
|
|||
* Lattice Mico32 implementation of isatty system call. |
|||
* Contributed by Jon Beniston <jon@beniston.com> |
|||
* |
|||
* 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 AUTHOR 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 AUTHOR 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. |
|||
*/ |
|||
|
|||
#include "glue.h" |
|||
|
|||
/*
|
|||
* isatty -- returns 1 if connected to a terminal device, |
|||
* returns 0 if not. |
|||
* stdin, stdout and sterrr are assumed to be serial ports, |
|||
* other files are not. |
|||
*/ |
|||
int |
|||
_DEFUN (_isatty, (fd), |
|||
int fd) |
|||
{ |
|||
if ((fd == 0) || (fd == 1) || (fd == 2)) |
|||
return 1; |
|||
else |
|||
return 0; |
|||
} |
|||
@ -0,0 +1,123 @@ |
|||
/* |
|||
* Lattice Mico32 system calls. |
|||
* Contributed by Jon Beniston <jon@beniston.com> |
|||
* |
|||
* 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 AUTHOR 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 AUTHOR 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. |
|||
*/ |
|||
|
|||
#include <syscall.h> |
|||
|
|||
/* |
|||
* System call convention (as implemented in simulator: |
|||
* - System call number in register r8 |
|||
* - Return value in r1 and r2 (only if 64-bit value) |
|||
* - errno in r3 |
|||
*/ |
|||
|
|||
.extern errno |
|||
|
|||
.global _write |
|||
_write: |
|||
mvi r8, SYS_write |
|||
scall |
|||
mvhi r4, hi(errno) |
|||
ori r4, r4, lo(errno) |
|||
sw (r4+0), r3 |
|||
ret |
|||
|
|||
.global _read |
|||
_read: |
|||
mvi r8, SYS_read |
|||
scall |
|||
mvhi r4, hi(errno) |
|||
ori r4, r4, lo(errno) |
|||
sw (r4+0), r3 |
|||
ret |
|||
|
|||
.global _open |
|||
_open: |
|||
mvi r8, SYS_open |
|||
scall |
|||
mvhi r4, hi(errno) |
|||
ori r4, r4, lo(errno) |
|||
sw (r4+0), r3 |
|||
ret |
|||
|
|||
.global _close |
|||
_close: |
|||
mvi r8, SYS_close |
|||
scall |
|||
mvhi r4, hi(errno) |
|||
ori r4, r4, lo(errno) |
|||
sw (r4+0), r3 |
|||
ret |
|||
|
|||
.global _lseek |
|||
_lseek: |
|||
mvi r8, SYS_lseek |
|||
scall |
|||
mvhi r4, hi(errno) |
|||
ori r4, r4, lo(errno) |
|||
sw (r4+0), r3 |
|||
ret |
|||
|
|||
.global _fstat |
|||
_fstat: |
|||
mvi r8, SYS_fstat |
|||
scall |
|||
mvhi r4, hi(errno) |
|||
ori r4, r4, lo(errno) |
|||
sw (r4+0), r3 |
|||
ret |
|||
|
|||
.global _stat |
|||
_stat: |
|||
mvi r8, SYS_stat |
|||
scall |
|||
mvhi r4, hi(errno) |
|||
ori r4, r4, lo(errno) |
|||
sw (r4+0), r3 |
|||
ret |
|||
|
|||
.global _link |
|||
_link: |
|||
mvi r8, SYS_link |
|||
scall |
|||
mvhi r4, hi(errno) |
|||
ori r4, r4, lo(errno) |
|||
sw (r4+0), r3 |
|||
ret |
|||
|
|||
.global _unlink |
|||
_unlink: |
|||
mvi r8, SYS_unlink |
|||
scall |
|||
mvhi r4, hi(errno) |
|||
ori r4, r4, lo(errno) |
|||
sw (r4+0), r3 |
|||
ret |
|||
|
|||
.global _exit |
|||
_exit: |
|||
/* This call doesn't return */ |
|||
mvi r8, SYS_exit |
|||
scall |
|||
@ -0,0 +1,149 @@ |
|||
/* |
|||
* Simulator Link script for Lattice Mico32. |
|||
* Contributed by Jon Beniston <jon@beniston.com> |
|||
* |
|||
* 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 AUTHOR 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 AUTHOR 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. |
|||
*/ |
|||
|
|||
OUTPUT_FORMAT("elf32-lm32") |
|||
ENTRY(_start) |
|||
INPUT(crti.o crtbegin.o crt0.o crtend.o crtn.o) |
|||
GROUP(-lgloss -lnosys -lc -lgcc) |
|||
|
|||
MEMORY |
|||
{ |
|||
ram : ORIGIN = 0x00000000, LENGTH = 0x100000 |
|||
} |
|||
|
|||
SECTIONS |
|||
{ |
|||
|
|||
.boot : { *(.boot) } > ram |
|||
|
|||
/* Code */ |
|||
.text : |
|||
{ |
|||
. = ALIGN(4); |
|||
_ftext = .; |
|||
_ftext_rom = LOADADDR(.text); |
|||
*(.text .stub .text.* .gnu.linkonce.t.*) |
|||
*(.gnu.warning) |
|||
KEEP (*(.init)) |
|||
KEEP (*(.fini)) |
|||
/* Constructors and destructors */ |
|||
KEEP (*crtbegin*.o(.ctors)) |
|||
KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors)) |
|||
KEEP (*(SORT(.ctors.*))) |
|||
KEEP (*(.ctors)) |
|||
KEEP (*crtbegin*.o(.dtors)) |
|||
KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors)) |
|||
KEEP (*(SORT(.dtors.*))) |
|||
KEEP (*(.dtors)) |
|||
KEEP (*(.jcr)) |
|||
_etext = .; |
|||
} > ram =0 |
|||
|
|||
/* Exception handlers */ |
|||
.eh_frame_hdr : { *(.eh_frame_hdr) } > ram |
|||
.eh_frame : { KEEP (*(.eh_frame)) } > ram |
|||
.gcc_except_table : { *(.gcc_except_table) *(.gcc_except_table.*) } > ram |
|||
|
|||
/* Read-only data */ |
|||
.rodata : |
|||
{ |
|||
. = ALIGN(4); |
|||
_frodata = .; |
|||
_frodata_rom = LOADADDR(.rodata); |
|||
*(.rodata .rodata.* .gnu.linkonce.r.*) |
|||
*(.rodata1) |
|||
_erodata = .; |
|||
} > ram |
|||
|
|||
/* Data */ |
|||
.data : |
|||
{ |
|||
. = ALIGN(4); |
|||
_fdata = .; |
|||
_fdata_rom = LOADADDR(.data); |
|||
*(.data .data.* .gnu.linkonce.d.*) |
|||
*(.data1) |
|||
SORT(CONSTRUCTORS) |
|||
_gp = ALIGN(16) + 0x7ff0; |
|||
*(.sdata .sdata.* .gnu.linkonce.s.*) |
|||
_edata = .; |
|||
} > ram |
|||
|
|||
/* BSS */ |
|||
.bss : |
|||
{ |
|||
. = ALIGN(4); |
|||
_fbss = .; |
|||
*(.dynsbss) |
|||
*(.sbss .sbss.* .gnu.linkonce.sb.*) |
|||
*(.scommon) |
|||
*(.dynbss) |
|||
*(.bss .bss.* .gnu.linkonce.b.*) |
|||
*(COMMON) |
|||
. = ALIGN(4); |
|||
_ebss = .; |
|||
_end = .; |
|||
PROVIDE (end = .); |
|||
} > ram |
|||
|
|||
/* First location in stack is highest address in RAM */ |
|||
PROVIDE(_fstack = ORIGIN(ram) + LENGTH(ram) - 4); |
|||
|
|||
/* Stabs debugging sections. */ |
|||
.stab 0 : { *(.stab) } |
|||
.stabstr 0 : { *(.stabstr) } |
|||
.stab.excl 0 : { *(.stab.excl) } |
|||
.stab.exclstr 0 : { *(.stab.exclstr) } |
|||
.stab.index 0 : { *(.stab.index) } |
|||
.stab.indexstr 0 : { *(.stab.indexstr) } |
|||
.comment 0 : { *(.comment) } |
|||
|
|||
/* DWARF debug sections. |
|||
Symbols in the DWARF debugging sections are relative to the beginning |
|||
of the section so we begin them at 0. */ |
|||
/* DWARF 1 */ |
|||
.debug 0 : { *(.debug) } |
|||
.line 0 : { *(.line) } |
|||
/* GNU DWARF 1 extensions */ |
|||
.debug_srcinfo 0 : { *(.debug_srcinfo) } |
|||
.debug_sfnames 0 : { *(.debug_sfnames) } |
|||
/* DWARF 1.1 and DWARF 2 */ |
|||
.debug_aranges 0 : { *(.debug_aranges) } |
|||
.debug_pubnames 0 : { *(.debug_pubnames) } |
|||
/* DWARF 2 */ |
|||
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } |
|||
.debug_abbrev 0 : { *(.debug_abbrev) } |
|||
.debug_line 0 : { *(.debug_line) } |
|||
.debug_frame 0 : { *(.debug_frame) } |
|||
.debug_str 0 : { *(.debug_str) } |
|||
.debug_loc 0 : { *(.debug_loc) } |
|||
.debug_macinfo 0 : { *(.debug_macinfo) } |
|||
/* SGI/MIPS DWARF 2 extensions */ |
|||
.debug_weaknames 0 : { *(.debug_weaknames) } |
|||
.debug_funcnames 0 : { *(.debug_funcnames) } |
|||
.debug_typenames 0 : { *(.debug_typenames) } |
|||
.debug_varnames 0 : { *(.debug_varnames) } |
|||
} |
|||
Loading…
Reference in new issue