2002-06-18 Dave Brolley <brolley@redhat.com>
From Catherine Moore, Michael Meissner, Richard Sandiford: * configure.in: Support frv*-*-*. * frv/Makefile.in: New file. * frv/configure: New file. * frv/configure.in: New file. * frv/crt0.S: New file. * frv/fstat.c: New file. * frv/getpid.c: New file. * frv/isatty.c: New file. * frv/kill.c: New file. * frv/print.c: New file. * frv/putnum.c: New file. * frv/sbrk.c: New file. * frv/sim-close.S: New file. * frv/sim-exit.S: New file. * frv/sim-inbyte.c: New file. * frv/sim-lseek.S: New file. * frv/sim-open.S: New file. * frv/sim-read.S: New file. * frv/sim-time.c: New file. * frv/sim-unlink.S: New file. * frv/sim-write.S: New file. * frv/stat.c: New file.
This commit is contained in:
Dave Brolley
parent
7ed77745fc
commit
c2b0dec2dc
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@ -1,3 +1,29 @@
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2002-06-18 Dave Brolley <brolley@redhat.com>
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From Catherine Moore, Michael Meissner, Richard Sandiford:
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* configure.in: Support frv*-*-*.
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* frv/Makefile.in: New file.
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* frv/configure: New file.
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* frv/configure.in: New file.
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* frv/crt0.S: New file.
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* frv/fstat.c: New file.
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* frv/getpid.c: New file.
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* frv/isatty.c: New file.
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* frv/kill.c: New file.
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* frv/print.c: New file.
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* frv/putnum.c: New file.
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* frv/sbrk.c: New file.
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* frv/sim-close.S: New file.
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* frv/sim-exit.S: New file.
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* frv/sim-inbyte.c: New file.
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* frv/sim-lseek.S: New file.
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* frv/sim-open.S: New file.
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* frv/sim-read.S: New file.
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* frv/sim-time.c: New file.
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* frv/sim-unlink.S: New file.
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* frv/sim-write.S: New file.
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* frv/stat.c: New file.
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2002-05-11 Thomas Fitzsimmons <fitzsim@redhat.com>
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* libnosys/acconfig.h (HAVE_SECTION_ATTRIBUTES): New macro.
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@ -774,6 +774,8 @@ case "${target}" in
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fr30-*-*)
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configdirs="${configdirs} fr30 testsuite"
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;;
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frv*-*-*)
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configdirs="${configdirs} frv testsuite";;
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mcore-*-*)
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configdirs="${configdirs} mcore testsuite"
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;;
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@ -85,6 +85,8 @@ case "${target}" in
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fr30-*-*)
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configdirs="${configdirs} fr30 testsuite"
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;;
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frv*-*-*)
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configdirs="${configdirs} frv testsuite";;
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mcore-*-*)
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configdirs="${configdirs} mcore testsuite"
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;;
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@ -0,0 +1,124 @@
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# Copyright (c) 2002 Red Hat, Inc
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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/frv. This is the board support
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# code for the various frv targets.
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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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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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putnum.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.S
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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) $(tooldir)/lib${MULTISUBDIR}/$(CRT0)
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$(INSTALL_DATA) $(SIM_BSP) $(tooldir)/lib${MULTISUBDIR}/$(SIM_BSP)
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clean mostlyclean:
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rm -f *.o *.a
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distclean maintainer-clean realclean: clean
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rm -f Makefile config.cache config.log config.status
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.PHONY: info dvi doc install-info clean-info
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info doc dvi:
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install-info:
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clean-info:
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Makefile: Makefile.in config.status @host_makefile_frag_path@
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$(SHELL) config.status
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config.status: configure
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$(SHELL) config.status --recheck
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,90 @@
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dnl Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.5)dnl
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AC_INIT(crt0.S)
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if test "${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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# FIXME: We temporarily define our own version of AC_PROG_CC. This is
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# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
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# are probably using a cross compiler, which will not be able to fully
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# link an executable. This should really be fixed in autoconf
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# itself.
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AC_DEFUN(LIB_AC_PROG_CC,
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[AC_BEFORE([$0], [AC_PROG_CPP])dnl
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AC_CHECK_PROG(CC, gcc, gcc)
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if test -z "$CC"; then
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AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
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test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
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fi
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AC_PROG_CC_GNU
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if test $ac_cv_prog_gcc = yes; then
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GCC=yes
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dnl Check whether -g works, even if CFLAGS is set, in case the package
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dnl plays around with CFLAGS (such as to build both debugging and
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dnl normal versions of a library), tasteless as that idea is.
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS=
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AC_PROG_CC_G
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if test "$ac_test_CFLAGS" = set; then
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CFLAGS="$ac_save_CFLAGS"
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elif test $ac_cv_prog_cc_g = yes; then
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CFLAGS="-g -O2"
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else
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CFLAGS="-O2"
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fi
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else
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GCC=
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test "${CFLAGS+set}" = set || CFLAGS="-g"
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fi
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])
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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=${LD-ld}
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AC_SUBST(LD)
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AC_PROG_RANLIB
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host_makefile_frag=${srcdir}/../config/default.mh
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dnl We have to assign the same value to other variables because autoconf
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dnl doesn't provide a mechanism to substitute a replacement keyword with
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dnl arbitrary data or pathnames.
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dnl
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host_makefile_frag_path=$host_makefile_frag
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AC_SUBST(host_makefile_frag_path)
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AC_SUBST_FILE(host_makefile_frag)
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AC_OUTPUT(Makefile,
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. ${libgloss_topdir}/config-ml.in,
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srcdir=${srcdir}
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target=${target}
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ac_configure_args="${ac_configure_args} --enable-multilib"
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CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
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libgloss_topdir=${libgloss_topdir}
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)
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@ -0,0 +1,231 @@
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/* crt0.S -- startup file for frv.
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*
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* Copyright (c) 2002 Red Hat, Inc
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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
|
||||
* 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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*/
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#include <frv-asm.h>
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/* statically store .Lcall's address so we can see if we are running
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at the location we were linked for or a different location. */
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.data
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.type EXT(__start_cmp),@object
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.size EXT(__start_cmp),4
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.p2align 2
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EXT(__start_cmp):
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.picptr .Lcall
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.globl __start
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.weak _start
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.text
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.type __start,@function
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__start:
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_start:
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call .Lcall /* set up _gp in a pic-friendly manor */
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.Lcall: movsg lr, gr4
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P(sethi) #gprelhi(.Lcall), gr5
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setlo #gprello(.Lcall), gr5
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P(sub) gr4, gr5, gr16
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sethi #gprelhi(EXT(_stack)), sp /* load up stack pointer */
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P(setlo) #gprello(EXT(_stack)), sp
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setlos #0, fp /* zero fp to allow unwinders to stop */
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P(add) sp, gr16, sp
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sethi #gprelhi(EXT(__start_cmp)), gr5
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setlo #gprello(EXT(__start_cmp)), gr5
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ld @(gr5,gr16), gr6
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subcc gr4, gr6, gr8, icc0
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beq icc0, 0, .Lfixed
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P(st) gr4, @(gr5, gr16) /* update so if we restart no need to fixup */
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|
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/* fixup the .ctors list */
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sethi #gprelhi(EXT(__CTOR_LIST__)), gr9
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P(sethi) #gprelhi(EXT(__CTOR_END__)), gr10
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setlo #gprello(EXT(__CTOR_LIST__)), gr9
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P(setlo) #gprello(EXT(__CTOR_END__)), gr10
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add gr9, gr16, gr9
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P(add) gr10, gr16, gr10
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addi gr9, 4, gr9
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P(subi) gr10, 4, gr10
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setlos 4, gr11
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call EXT(__frv_fixptrs)
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|
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/* fixup the .dtors list */
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P(sethi) #gprelhi(EXT(__DTOR_LIST__)), gr9
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sethi #gprelhi(EXT(__DTOR_END__)), gr10
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P(setlo) #gprello(EXT(__DTOR_LIST__)), gr9
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setlo #gprello(EXT(__DTOR_END__)), gr10
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P(add) gr9, gr16, gr9
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add gr10, gr16, gr10
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P(addi) gr9, 4, gr9
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subi gr10, 4, gr10
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call EXT(__frv_fixptrs)
|
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|
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/* fixup the .dtors list */
|
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P(sethi) #gprelhi(EXT(__ROFIXUP_LIST__)), gr9
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sethi #gprelhi(EXT(__ROFIXUP_END__)), gr10
|
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P(setlo) #gprello(EXT(__ROFIXUP_LIST__)), gr9
|
||||
setlo #gprello(EXT(__ROFIXUP_END__)), gr10
|
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P(add) gr9, gr16, gr9
|
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add gr10, gr16, gr10
|
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call EXT(__frv_fix_usrptrs)
|
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|
||||
.Lfixed:
|
||||
|
||||
/* HSR flags */
|
||||
#define HSR_ICE 0x80000000 /* Instruction cache enable */
|
||||
#define HSR_DCE 0x40000000 /* Data cache enable */
|
||||
#define HSR_CBM 0x08000000 /* Cache copy back mode */
|
||||
#define HSR_EIMM 0x04000000 /* Enable Instruction MMU */
|
||||
#define HSR_EDMM 0x02000000 /* Enable Data MMU */
|
||||
#define HSR_EMEM 0x00800000 /* Enable MMU miss exception mask */
|
||||
#define HSR_RME 0x00400000 /* Ram mode enable */
|
||||
#define HSR_SA 0x00001000 /* Start address */
|
||||
#define HSR_FRN 0x00000800 /* Number of FPRs */
|
||||
#define HSR_GRN 0x00000400 /* Number of GPRs */
|
||||
#define HSR_FRHE 0x00000200 /* FR Higher Enable */
|
||||
#define HSR_FRLE 0x00000100 /* FR Lower Enable */
|
||||
#define HSR_GRHE 0x00000080 /* GR Higher Enable */
|
||||
#define HSR_GRLE 0x00000040 /* GR Lower Enable */
|
||||
|
||||
#ifndef HSR_CLEAR
|
||||
#define HSR_CLEAR 0
|
||||
#endif
|
||||
|
||||
#ifndef HSR_SET
|
||||
#ifndef FRV_NO_CACHE
|
||||
#define HSR_SET (HSR_ICE|HSR_DCE|HSR_FRHE|HSR_FRLE|HSR_GRHE|HSR_GRLE)
|
||||
#else
|
||||
#define HSR_SET (HSR_FRHE|HSR_FRLE|HSR_GRHE|HSR_GRLE)
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* PSR flags */
|
||||
#define PSR_ICE 0x00010000 /* In circuit emulation mode */
|
||||
#define PSR_NEM 0x00004000 /* Non-exception mode */
|
||||
#define PSR_CM 0x00002000 /* Conditional mode */
|
||||
#define PSR_BE 0x00001000 /* Big endian mode */
|
||||
#define PSR_EF 0x00000100 /* Enable floating point */
|
||||
#define PSR_EM 0x00000080 /* Enable media instructions */
|
||||
#define PSR_S 0x00000004 /* Enable supervisor mode */
|
||||
#define PSR_PS 0x00000002 /* Previous supervisor mode */
|
||||
#define PSR_ET 0x00000001 /* Enable interrupts */
|
||||
|
||||
#ifndef PSR_CLEAR
|
||||
#if __FRV_FPR__
|
||||
#define PSR_CLEAR 0
|
||||
#else
|
||||
#define PSR_CLEAR (PSR_EF|PSR_EM)
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifndef PSR_SET
|
||||
#if __FRV_FPR__
|
||||
#define PSR_SET (PSR_NEM|PSR_CM|PSR_EF|PSR_EM)
|
||||
#else
|
||||
#define PSR_SET (PSR_NEM|PSR_CM)
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* Enable floating point */
|
||||
movsg hsr0, gr4
|
||||
P(sethi) #hi(HSR_SET), gr5
|
||||
setlo #lo(HSR_SET), gr5
|
||||
P(sethi) #hi(~HSR_CLEAR), gr6
|
||||
setlo #lo(~HSR_CLEAR), gr6
|
||||
or gr4, gr5, gr4
|
||||
and gr4, gr6, gr4
|
||||
movgs gr4, hsr0
|
||||
|
||||
movsg psr, gr4
|
||||
P(sethi) #hi(PSR_SET), gr5
|
||||
setlo #lo(PSR_SET), gr5
|
||||
P(sethi) #hi(~PSR_CLEAR), gr6
|
||||
setlo #lo(~PSR_CLEAR), gr6
|
||||
or gr4, gr5, gr4
|
||||
and gr4, gr6, gr4
|
||||
movgs gr4, psr
|
||||
|
||||
/* zero the bss area */
|
||||
P(sethi) #gprelhi(__bss_start), gr8
|
||||
sethi #gprelhi(__end), gr4
|
||||
P(setlo) #gprello(__bss_start), gr8
|
||||
setlo #gprello(__end), gr4
|
||||
P(add) gr8, gr16, gr8
|
||||
add gr4, gr16, gr4
|
||||
P(setlos) #0, gr9
|
||||
sub gr4, gr8, gr10
|
||||
call EXT(memset)
|
||||
|
||||
P(setlos) #0, gr8 /* zero argc, argv, envp */
|
||||
setlos #0, gr9
|
||||
P(setlos) #0, gr10
|
||||
|
||||
call EXT(main)
|
||||
call EXT(exit)
|
||||
.Lend:
|
||||
.size __start,(.Lend-__start)
|
||||
|
||||
/* Routine to adjust pointers
|
||||
gr8 = difference to adjust by
|
||||
gr9 = starting address
|
||||
gr10 = ending address + 4
|
||||
gr11 = amount to add to the pointer each iteration. */
|
||||
.globl EXT(__frv_fixptrs)
|
||||
.type EXT(__frv_fixptrs),@function
|
||||
EXT(__frv_fixptrs):
|
||||
P(sub) gr9, gr11, gr9
|
||||
sub gr10, gr11, gr10
|
||||
.Lloop2:
|
||||
cmp gr10, gr9, icc0
|
||||
bls icc0, 0, .Lret2
|
||||
|
||||
ldu @(gr9,gr11), gr5
|
||||
add gr8, gr5, gr5
|
||||
P(st) gr5, @(gr9,gr0)
|
||||
bra .Lloop2
|
||||
|
||||
.Lret2: ret
|
||||
.Lend2:
|
||||
.size EXT(__frv_fixptrs),.Lend2-EXT(__frv_fixptrs)
|
||||
|
||||
/* Routine to adjust statically initialized pointers
|
||||
Note since these are pointers to pointers, they
|
||||
need to be adjusted themsevles.
|
||||
|
||||
gr8 = difference to adjust by
|
||||
gr9 = starting address
|
||||
gr10 = ending address + 4
|
||||
gr11 = amount to add to the pointer each iteration. */
|
||||
.globl EXT(__frv_fix_usrptrs)
|
||||
.type EXT(__frv_fix_usrptrs),@function
|
||||
EXT(__frv_fix_usrptrs):
|
||||
P(sub) gr9, gr11, gr9
|
||||
sub gr10, gr11, gr10
|
||||
.Lloop3:
|
||||
cmp gr10, gr9, icc0
|
||||
bls icc0, 0, .Lret3
|
||||
|
||||
ldu @(gr9,gr11), gr5
|
||||
ld @(gr5, gr8), gr6
|
||||
cmp gr6, gr0, icc0 /* skip pointers initialized to 0 */
|
||||
beq icc0, 0, .Lloop3
|
||||
|
||||
add gr8, gr6, gr6
|
||||
P(st) gr6, @(gr5,gr8)
|
||||
bra .Lloop3
|
||||
|
||||
.Lret3: ret
|
||||
.Lend3:
|
||||
.size EXT(__frv_fix_usrptrs),.Lend2-EXT(__frv_fix_usrptrs)
|
||||
|
|
@ -0,0 +1,30 @@
|
|||
/* fstat.c -- get status of a file.
|
||||
*
|
||||
* Copyright (c) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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 +1,27 @@
|
|||
/* print.c -- print a string on the output device.
|
||||
*
|
||||
* Copyright (c) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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"
|
||||
|
||||
/*
|
||||
* print -- do a raw print of a string
|
||||
*/
|
||||
void
|
||||
_DEFUN (_print, (ptr),
|
||||
char *ptr)
|
||||
{
|
||||
while (*ptr) {
|
||||
outbyte (*ptr++);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,41 @@
|
|||
/* putnum.c -- put a hex number on the output device.
|
||||
*
|
||||
* Copyright (c) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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"
|
||||
|
||||
/*
|
||||
* putnum -- print a 32 bit number in hex
|
||||
*/
|
||||
void
|
||||
_DEFUN (_putnum, (num),
|
||||
unsigned int num)
|
||||
{
|
||||
char buf[9];
|
||||
int cnt;
|
||||
char *ptr;
|
||||
int digit;
|
||||
|
||||
ptr = buf;
|
||||
for (cnt = 7 ; cnt >= 0 ; cnt--) {
|
||||
digit = (num >> (cnt * 4)) & 0xf;
|
||||
|
||||
if (digit <= 9)
|
||||
*ptr++ = (char) ('0' + digit);
|
||||
else
|
||||
*ptr++ = (char) ('a' - 10 + digit);
|
||||
}
|
||||
|
||||
*ptr = (char) 0;
|
||||
print (buf);
|
||||
}
|
||||
|
|
@ -0,0 +1,54 @@
|
|||
/* sbrk.c -- allocate memory dynamically.
|
||||
*
|
||||
* Copyright (c) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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"
|
||||
|
||||
/* just in case, most boards have at least some memory */
|
||||
#ifndef RAMSIZE
|
||||
# define RAMSIZE (caddr_t)0x100000
|
||||
#endif
|
||||
|
||||
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;
|
||||
|
||||
base = __heap_ptr;
|
||||
__heap_ptr += nbytes;
|
||||
|
||||
return base;
|
||||
/* FIXME: We really want to make sure we don't run out of RAM, but this
|
||||
* isn't very portable.
|
||||
*/
|
||||
#if 0
|
||||
if ((RAMSIZE - heap_ptr - nbytes) >= 0) {
|
||||
base = heap_ptr;
|
||||
heap_ptr += nbytes;
|
||||
return (base);
|
||||
} else {
|
||||
errno = ENOMEM;
|
||||
return ((char *)-1);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
|
@ -0,0 +1,40 @@
|
|||
/*
|
||||
* sim-close.S -- close interface for frv simulator
|
||||
*
|
||||
* Copyright (c) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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 <frv-asm.h>
|
||||
|
||||
#include "syscall.h"
|
||||
|
||||
/*
|
||||
* Input:
|
||||
* gr8 -- File descriptor to close.
|
||||
*
|
||||
* Output:
|
||||
* gr8 -- 0 or -1.
|
||||
* errno -- Set if an error
|
||||
*/
|
||||
|
||||
.globl EXT(_close)
|
||||
.type EXT(_close),@function
|
||||
.weak EXT(close)
|
||||
.text
|
||||
EXT(_close):
|
||||
EXT(close):
|
||||
setlos #SYS_close,gr7
|
||||
tira gr0,#0
|
||||
ret
|
||||
.Lend:
|
||||
.size EXT(_close),.Lend-EXT(_close)
|
||||
|
|
@ -0,0 +1,36 @@
|
|||
/*
|
||||
* sim-exit.S -- _exit interface for frv simulator
|
||||
*
|
||||
* Copyright (c) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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 <frv-asm.h>
|
||||
|
||||
#include "syscall.h"
|
||||
|
||||
/*
|
||||
* Input:
|
||||
* gr8 -- exit value
|
||||
*
|
||||
* Output:
|
||||
* none
|
||||
*/
|
||||
|
||||
.globl EXT(_exit)
|
||||
.type EXT(_exit),@function
|
||||
.text
|
||||
EXT(_exit):
|
||||
setlos #SYS_exit,gr7
|
||||
tira gr0,#0
|
||||
.Lend:
|
||||
.size EXT(_exit),.Lend-EXT(_exit)
|
||||
|
|
@ -0,0 +1,26 @@
|
|||
/*
|
||||
* sim-inbyte.c -- read a character from standard input.
|
||||
*
|
||||
* Copyright (c) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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 +1,42 @@
|
|||
/*
|
||||
* sim-lseek.S -- write interface for frv simulator
|
||||
*
|
||||
* Copyright (c) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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 <frv-asm.h>
|
||||
|
||||
#include "syscall.h"
|
||||
|
||||
/*
|
||||
* Input:
|
||||
* gr8 -- File descriptor
|
||||
* gr9 -- Offset
|
||||
* gr10 -- Base from which offset should be taken
|
||||
*
|
||||
* Output:
|
||||
* gr8 -- Zero on success, -1 on failure.
|
||||
* errno -- Set if an error
|
||||
*/
|
||||
|
||||
.globl EXT(_lseek)
|
||||
.type EXT(_lseek),@function
|
||||
.weak EXT(lseek)
|
||||
.text
|
||||
EXT(_lseek):
|
||||
EXT(lseek):
|
||||
setlos #SYS_lseek,gr7
|
||||
tira gr0,#0
|
||||
ret
|
||||
.Lend:
|
||||
.size EXT(_lseek),.Lend-EXT(_lseek)
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
/*
|
||||
* sim-open.S -- open interface for frv simulator
|
||||
*
|
||||
* Copyright (c) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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 <frv-asm.h>
|
||||
|
||||
#include "syscall.h"
|
||||
|
||||
/*
|
||||
* Input:
|
||||
* gr8 -- File name to open.
|
||||
* gr9 -- open mode.
|
||||
* gr10 -- optionally, the permission bits to set the file to.
|
||||
*
|
||||
* Output:
|
||||
* gr8 -- file descriptor or -1.
|
||||
* errno -- Set if an error
|
||||
*/
|
||||
|
||||
.globl EXT(_open)
|
||||
.type EXT(_open),@function
|
||||
.weak EXT(open)
|
||||
.text
|
||||
EXT(_open):
|
||||
EXT(open):
|
||||
setlos #SYS_open,gr7
|
||||
tira gr0,#0
|
||||
ret
|
||||
.Lend:
|
||||
.size EXT(_open),.Lend-EXT(_open)
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
/*
|
||||
* sim-read.S -- read interface for frv simulator
|
||||
*
|
||||
* Copyright (c) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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 <frv-asm.h>
|
||||
|
||||
#include "syscall.h"
|
||||
|
||||
/*
|
||||
* Input:
|
||||
* gr8 -- File descriptor.
|
||||
* gr9 -- Buffer to be read into.
|
||||
* gr10 -- Length of the buffer.
|
||||
*
|
||||
* Output:
|
||||
* gr8 -- Length read or -1.
|
||||
* errno -- Set if an error
|
||||
*/
|
||||
|
||||
.globl EXT(_read)
|
||||
.type EXT(_read),@function
|
||||
.weak EXT(read)
|
||||
.text
|
||||
EXT(_read):
|
||||
EXT(read):
|
||||
setlos #SYS_read,gr7
|
||||
tira gr0,#0
|
||||
ret
|
||||
.Lend:
|
||||
.size EXT(_read),.Lend-EXT(_read)
|
||||
|
|
@ -0,0 +1,78 @@
|
|||
/* sim-time.c -- stubs so clock can be linked in.
|
||||
*
|
||||
* Copyright (c) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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"
|
||||
|
||||
/*
|
||||
* time -- simulator interface to return current time in seconds.
|
||||
*/
|
||||
__asm__ ("\
|
||||
.text\n\
|
||||
.globl _sim_time\n\
|
||||
.type _sim_time,@function\n\
|
||||
_sim_time:\n\
|
||||
setlos #18, gr7\n\
|
||||
tira gr0, #0\n\
|
||||
ret\n\
|
||||
.Lsim:\n\
|
||||
.size _sim_time,.Lsim-_sim_time");
|
||||
|
||||
extern time_t _sim_time (void) __asm__("_sim_time");
|
||||
|
||||
|
||||
/*
|
||||
* time -- return current time in seconds.
|
||||
*/
|
||||
time_t
|
||||
_DEFUN (time, time (t),
|
||||
time_t *t)
|
||||
{
|
||||
time_t ret = _sim_time ();
|
||||
|
||||
if (t)
|
||||
*t = ret;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* _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
|
||||
struct timezone *tz)
|
||||
{
|
||||
if (tz)
|
||||
tz->tz_minuteswest = tz->tz_dsttime = 0;
|
||||
|
||||
tv->tv_usec = 0;
|
||||
tv->tv_sec = _sim_time ();
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,40 @@
|
|||
/*
|
||||
* sim-unlink.S -- write interface for frv simulator
|
||||
*
|
||||
* Copyright (c) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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 <frv-asm.h>
|
||||
|
||||
#include "syscall.h"
|
||||
|
||||
/*
|
||||
* Input:
|
||||
* gr8 -- Filename
|
||||
*
|
||||
* Output:
|
||||
* gr8 -- Zero on success, -1 on failure.
|
||||
* errno -- Set if an error
|
||||
*/
|
||||
|
||||
.globl EXT(_unlink)
|
||||
.type EXT(_unlink),@function
|
||||
.weak EXT(unlink)
|
||||
.text
|
||||
EXT(_unlink):
|
||||
EXT(unlink):
|
||||
setlos #SYS_unlink,gr7
|
||||
tira gr0,#0
|
||||
ret
|
||||
.Lend:
|
||||
.size EXT(_unlink),.Lend-EXT(_unlink)
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
/*
|
||||
* sim-write.S -- write interface for frv simulator
|
||||
*
|
||||
* Copyright (c) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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 <frv-asm.h>
|
||||
|
||||
#include "syscall.h"
|
||||
|
||||
/*
|
||||
* Input:
|
||||
* gr8 -- File descriptor.
|
||||
* gr9 -- String to be printed.
|
||||
* gr10 -- Length of the string.
|
||||
*
|
||||
* Output:
|
||||
* gr8 -- Length written or -1.
|
||||
* errno -- Set if an error
|
||||
*/
|
||||
|
||||
.globl EXT(_write)
|
||||
.type EXT(_write),@function
|
||||
.weak EXT(write)
|
||||
.text
|
||||
EXT(_write):
|
||||
EXT(write):
|
||||
setlos #SYS_write,gr7
|
||||
tira gr0,#0
|
||||
ret
|
||||
.Lend:
|
||||
.size EXT(_write),.Lend-EXT(_write)
|
||||
|
|
@ -0,0 +1,30 @@
|
|||
/* stat.c -- Get the status of a file.
|
||||
*
|
||||
* Copyright (c) 2002 Red Hat, Inc
|
||||
*
|
||||
* 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