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[newlib]

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* configure.host (msp430): Add.
* libc/include/machine/ieeefp.h: Add MSP430 support.
* libc/include/machine/setjmp.h: Likewise.
* libc/include/sys/config.h: Likewise.
* libc/machine/configure.in (msp430): Add.
* libc/machine/configure: Regenerate.
* libc/machine/msp430: New directory.

[libgloss]
* configure.in (msp430*-*-elf): Add.
* configure: Regenerate.
* msp430: New directory.
This commit is contained in:
DJ Delorie 2013-05-13 21:39:51 +00:00
parent e4ab61a8ab
commit 2f2a304234
35 changed files with 11830 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
libgloss/ChangeLog
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@ -1,3 +1,10 @@
2013-05-14 DJ Delorie <dj@redhat.com>
Nick Clifton <nickc@redhat.com>
* configure.in (msp430*-*-elf): Add.
* configure: Regenerate.
* msp430: New directory.
2013-04-19 Steve Ellcey <sellcey@imgtec.com> 2013-04-19 Steve Ellcey <sellcey@imgtec.com>
* mips/cfe_api.h (int64_t): Remove define. * mips/cfe_api.h (int64_t): Remove define.

6
libgloss/configure vendored
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@ -697,6 +697,7 @@ v850
xc16x xc16x
xstormy16 xstormy16
m32c m32c
msp430
rl78 rl78
rx rx
arm arm
@ -2521,6 +2522,11 @@ case "${target}" in
m32c-*-*) m32c-*-*)
subdirs="$subdirs m32c" subdirs="$subdirs m32c"
;;
msp430*-*-elf)
subdirs="$subdirs msp430"
config_libnosys=false
;; ;;
rl78*-*-elf) rl78*-*-elf)
subdirs="$subdirs rl78" subdirs="$subdirs rl78"

4
libgloss/configure.in
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@ -132,6 +132,10 @@ case "${target}" in
m32c-*-*) m32c-*-*)
AC_CONFIG_SUBDIRS([m32c]) AC_CONFIG_SUBDIRS([m32c])
;; ;;
msp430*-*-elf)
AC_CONFIG_SUBDIRS([msp430])
config_libnosys=false
;;
rl78*-*-elf) rl78*-*-elf)
AC_CONFIG_SUBDIRS([rl78]) AC_CONFIG_SUBDIRS([rl78])
;; ;;

153
libgloss/msp430/Makefile.in Normal file
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@ -0,0 +1,153 @@
# Copyright (c) 2008, 2009, 2011, 2013 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing to use, modify,
# copy, or redistribute it subject to the terms and conditions of the BSD
# License. This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
# is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
# are incorporated in the source code or documentation are not subject to the BSD
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
# Makefile for libgloss/msp430.
VPATH = @srcdir@
srcdir = @srcdir@
objdir = .
srcroot = $(srcdir)/../..
objroot = $(objdir)/../..
prefix = @prefix@
exec_prefix = @exec_prefix@
host_alias = @host_alias@
target_alias = @target_alias@
bindir = @bindir@
libdir = @libdir@
tooldir = $(exec_prefix)/$(target_alias)
# Multilib support variables.
# TOP is used instead of MULTI{BUILD,SRC}TOP.
MULTIDIRS =
MULTISUBDIR =
MULTIDO = true
MULTICLEAN = true
INSTALL = @INSTALL@
INSTALL_PROGRAM = @INSTALL_PROGRAM@
INSTALL_DATA = @INSTALL_DATA@
SHELL = /bin/sh
CC = @CC@
AS = @AS@
AR = @AR@
LD = @LD@
RANLIB = @RANLIB@
AR_FLAGS = rc
OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \
then echo ${objroot}/../binutils/objdump ; \
else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi`
OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \
then echo ${objroot}/../binutils/objcopy ; \
else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi`
SCRIPTS = $(srcdir)/msp430.ld $(srcdir)/msp430-sim.ld
SCRIPTS += $(srcdir)/msp430xl-sim.ld
SCRIPTS += $(srcdir)/msp430F5438A-s.ld
SCRIPTS += $(srcdir)/msp430F5438A-l.ld
CRT = gcrt0.o crt0.o crtn.o
SIM_BSP = libsim.a
LIBNOSYS = libnosys.a
SIM_OBJS = syscalls.o \
cio.o \
write.o \
sbrk.o
NOSYS_OBJS = nosyscalls.o \
cio.o \
write.o \
sbrk.o
#### Host specific Makefile fragment comes in here.
@host_makefile_frag@
# Override .S.o rule to pass assembler debugging flags
.S.o:
$(CC) -Wa,-gdwarf2 -Wa,-I$(srcdir) $(CFLAGS_FOR_TARGET) $(INCLUDES) $(CFLAGS) -c $<
all: $(CRT) $(SIM_BSP) $(LIBNOSYS) copy_scripts_to_objdir
$(SIM_BSP): $(SIM_OBJS)
$(AR) $(ARFLAGS) $@ $?
$(RANLIB) $@
$(LIBNOSYS): $(NOSYS_OBJS)
$(AR) $(ARFLAGS) $@ $?
$(RANLIB) $@
copy_scripts_to_objdir: $(SCRIPTS)
cp $(SCRIPTS) $(objdir)
# Dependencies
SDEPS = $(srcdir)/cio.h
abort.o : $(SDEPS)
argv.o : $(SDEPS)
argvlen.o : $(SDEPS)
chdir.o : $(SDEPS)
chmod.o : $(SDEPS)
close.o : $(SDEPS)
exit.o : $(SDEPS)
fstat.o : $(SDEPS)
getpid.o : $(SDEPS)
gettimeofday.o : $(SDEPS)
gcrt0.o: gcrt0.S crt0.S
kill.o : $(SDEPS)
link.o : $(SDEPS)
lseek.o : $(SDEPS)
mcount.o : $(SDEPS)
open.o : $(SDEPS)
read.o : $(SDEPS)
sigprocmask.o : $(SDEPS)
sleep.o : $(SDEPS)
stat.o : $(SDEPS)
time.o : $(SDEPS)
times.o : $(SDEPS)
unlink.o : $(SDEPS)
utime.o : $(SDEPS)
write.o : $(SDEPS)
install: $(CRT) $(SIM_BSP) $(LIBNOSYS) $(SCRIPTS)
for c in $(CRT) $(SIM_BSP) $(LIBNOSYS); do \
$(INSTALL_DATA) $$c $(tooldir)/lib${MULTISUBDIR}/$$c ;\
done
for c in $(SCRIPTS); do \
b=`basename $$c`; \
$(INSTALL_DATA) $$c $(tooldir)/lib${MULTISUBDIR}/$$b ;\
done
clean mostlyclean:
rm -f *.o *.a
distclean maintainer-clean realclean: clean
rm -f Makefile config.cache config.log config.status
.PHONY: info dvi doc install-info clean-info
info doc dvi:
install-info:
clean-info:
Makefile: Makefile.in config.status @host_makefile_frag_path@
$(SHELL) config.status
config.status: configure
$(SHELL) config.status --recheck

26
libgloss/msp430/cio.c Normal file
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/*
Copyright (c) 2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use, modify,
copy, or redistribute it subject to the terms and conditions of the BSD
License. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
are incorporated in the source code or documentation are not subject to the BSD
License and may only be used or replicated with the express permission of
Red Hat, Inc.
*/
#include "cio.h"
__CIOBUF__TYPE__ __CIOBUF__;
void
_libgloss_cio_hook (void)
{
__asm__ __volatile__ (" .global C$$IO$$");
__asm__ __volatile__ ("C$$IO$$: nop");
}

42
libgloss/msp430/cio.h Normal file
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@ -0,0 +1,42 @@
/*
Copyright (c) 2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use, modify,
copy, or redistribute it subject to the terms and conditions of the BSD
License. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
are incorporated in the source code or documentation are not subject to the BSD
License and may only be used or replicated with the express permission of
Red Hat, Inc.
*/
#ifndef CIO_BUF_SIZE
#define CIO_BUF_SIZE 64
#endif
typedef struct {
unsigned char length[2];
unsigned char parms[9];
unsigned char buf[CIO_BUF_SIZE];
} __CIOBUF__TYPE__;
extern __CIOBUF__TYPE__ __CIOBUF__;
extern void _libgloss_cio_hook (void);
#define CIO_OPEN (0xF0)
#define CIO_CLOSE (0xF1)
#define CIO_READ (0xF2)
#define CIO_WRITE (0xF3)
#define CIO_LSEEK (0xF4)
#define CIO_UNLINK (0xF5)
#define CIO_GETENV (0xF6)
#define CIO_RENAME (0xF7)
#define CIO_GETTIME (0xF8)
#define CIO_GETCLK (0xF9)
#define CIO_SYNC (0xFF)

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libgloss/msp430/configure vendored Normal file
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67
libgloss/msp430/configure.in Normal file
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@ -0,0 +1,67 @@
# Copyright (c) 2008, 2009, 2011, 2013 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing to use, modify,
# copy, or redistribute it subject to the terms and conditions of the BSD
# License. This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
# is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
# are incorporated in the source code or documentation are not subject to the BSD
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
AC_INIT(crt0.S)
if test "${enable_shared}" = "yes" ; then
echo "Shared libraries not supported for cross compiling, ignored"
fi
if test "$srcdir" = "." ; then
if test "${with_target_subdir}" != "." ; then
libgloss_topdir="${srcdir}/${with_multisrctop}../../.."
else
libgloss_topdir="${srcdir}/${with_multisrctop}../.."
fi
else
libgloss_topdir="${srcdir}/../.."
fi
AC_CONFIG_AUX_DIR($libgloss_topdir)
AC_CANONICAL_SYSTEM
AC_ARG_PROGRAM
AC_PROG_INSTALL
LIB_AC_PROG_CC
AS=${AS-as}
AC_SUBST(AS)
AR=${AR-ar}
AC_SUBST(AR)
LD=${LD-ld}
AC_SUBST(LD)
AC_PROG_RANLIB
LIB_AM_PROG_AS
host_makefile_frag=${srcdir}/../config/default.mh
dnl We have to assign the same value to other variables because autoconf
dnl doesn't provide a mechanism to substitute a replacement keyword with
dnl arbitrary data or pathnames.
dnl
host_makefile_frag_path=$host_makefile_frag
AC_SUBST(host_makefile_frag_path)
AC_SUBST_FILE(host_makefile_frag)
AC_CONFIG_FILES(Makefile,
. ${libgloss_topdir}/config-ml.in,
srcdir=${srcdir}
target=${target}
with_multisubdir=${with_multisubdir}
ac_configure_args="${ac_configure_args} --enable-multilib"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
libgloss_topdir=${libgloss_topdir}
)
AC_OUTPUT

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libgloss/msp430/crt0.S Normal file
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/* Copyright (c) 2012-2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use, modify,
copy, or redistribute it subject to the terms and conditions of the BSD
License. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
are incorporated in the source code or documentation are not subject to the BSD
License and may only be used or replicated with the express permission of
Red Hat, Inc.
*/
#include "memmodel.h"
.section ".resetvec", "a"
__msp430_resetvec_hook:
.word __start
.section ".lowtext", "ax", @progbits
.global __start
__start:
mov_ #__stack, R1
;; Disable watchdog timer.
MOV #0x5a80, &0x15C
mov_ #__bssstart, R12
clr.w R13
mov.w #__bsssize, R14
#ifdef __MSP430X_LARGE__
clr.w R15 ; We assume that __bsssize is never > 64M
#endif
call_ #memset
mov_ #__datastart, R12
mov_ #__romdatastart, R13
;; memmove and memcpy do not currently work when src == dst
cmp_ R12, R13
jeq 1f
mov.w #__romdatacopysize, R14
#ifdef __MSP430X_LARGE__
clr.w R15 ; We assume that __romdatacopysize is never > 64M
#endif
call_ #memmove
1:
call_ #__msp430_init
clr.w R12 ; Set argc == 0
call_ #main
call_ #_exit
.word __msp430_resetvec_hook
;----------------------------------------
.global _msp430_run_init_array
.type _msp430_run_init_array,@function
_msp430_run_init_array:
mov_ #__init_array_start, R4
mov_ #__init_array_end, R5
mov_ #PTRsz, R6
br_ #_msp430_run_array
.global _msp430_run_preinit_array
.type _msp430_run_preinit_array,@function
_msp430_run_preinit_array:
mov_ #__preinit_array_start, R4
mov_ #__preinit_array_end, R5
mov_ #PTRsz, R6
br_ #_msp430_run_array
.global _msp430_run_fini_array
.type _msp430_run_fini_array,@function
_msp430_run_fini_array:
mov_ #__fini_array_start, R4
mov_ #__fini_array_end, R5
mov_ #-PTRsz, R6
br_ #_msp430_run_array
_msp430_run_array:
cmp_ R4, R5
jeq _msp430_run_done
mov_ @R4, R7
add_ R6, R4
call_ @R7
br_ _msp430_run_array
_msp430_run_done:
ret_
;----------------------------------------
.section .init,"ax"
.global __msp430_init
__msp430_init:
.section .fini,"ax"
.global __msp430_fini
__msp430_fini:
call_ #_msp430_run_fini_array

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libgloss/msp430/crtn.S Normal file
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@ -0,0 +1,30 @@
/* Copyright (c) 2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use, modify,
copy, or redistribute it subject to the terms and conditions of the BSD
License. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
are incorporated in the source code or documentation are not subject to the BSD
License and may only be used or replicated with the express permission of
Red Hat, Inc.
*/
#include "memmodel.h"
.section .init,"ax"
call_ #_msp430_run_preinit_array
call_ #_msp430_run_init_array
ret_
.global __msp430_init_end
__msp430_init_end:
.section .fini,"ax"
ret_
.global __msp430_fini_end
__msp430_fini_end:
.text

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@ -0,0 +1,17 @@
/* Copyright (c) 2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use, modify,
copy, or redistribute it subject to the terms and conditions of the BSD
License. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
are incorporated in the source code or documentation are not subject to the BSD
License and may only be used or replicated with the express permission of
Red Hat, Inc.
*/
.text
.global _mcount
_mcount:
ret

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libgloss/msp430/memmodel.h Normal file
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@ -0,0 +1,41 @@
/* Copyright (c) 2012-2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use, modify,
copy, or redistribute it subject to the terms and conditions of the BSD
License. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
are incorporated in the source code or documentation are not subject to the BSD
License and may only be used or replicated with the express permission of
Red Hat, Inc.
*/
/* This file provides macros for various MSP430 instructions
which have similar, but not identical, versions when assembling
for the LARGE memory model. */
#ifdef __MSP430X_LARGE__
#define call_ CALLA
#define ret_ RETA
#define mov_ MOVA
#define movx_ MOVX
#define br_ BRA
#define cmp_ CMPA
#define add_ ADDA
#define PTRsz 4
#else
#define call_ CALL
#define ret_ RET
#define mov_ MOV
#define movx_ MOV
#define br_ BR
#define cmp_ CMP
#define add_ ADD
#define PTRsz 2
#endif

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/* Copyright (c) 2005,2008,2009,2011,2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use, modify,
copy, or redistribute it subject to the terms and conditions of the BSD
License. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
are incorporated in the source code or documentation are not subject to the BSD
License and may only be used or replicated with the express permission of
Red Hat, Inc.
*/
/* Default linker script, for normal executables */
OUTPUT_ARCH(msp430)
ENTRY(_start)
/* Do we need any of these for elf?
__DYNAMIC = 0; */
MEMORY {
RAM (w) : ORIGIN = 0x00200, LENGTH = 0x0ee00
RESETVEC (w) : ORIGIN = 0x0fffe, LENGTH = 0x00002
}
SECTIONS
{
.resetvec :
{
*(.resetvec)
} > RESETVEC
.rodata : {
. = ALIGN(2);
*(.plt)
*(.rodata .rodata.* .gnu.linkonce.r.* .const .const:*)
*(.rodata1)
*(.eh_frame_hdr)
KEEP (*(.eh_frame))
KEEP (*(.gcc_except_table)) *(.gcc_except_table.*)
PROVIDE (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE (__preinit_array_end = .);
PROVIDE (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE (__init_array_end = .);
PROVIDE (__fini_array_start = .);
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
PROVIDE (__fini_array_end = .);
LONG(0); /* Sentinel. */
/* gcc uses crtbegin.o to find the start of the constructors, so
we make sure it is first. Because this is a wildcard, it
doesn't matter if the user does not actually link against
crtbegin.o; the linker won't look for a file to match a
wildcard. The wildcard also means that it doesn't matter which
directory crtbegin.o is in. */
KEEP (*crtbegin*.o(.ctors))
/* We don't want to include the .ctor section from from the
crtend.o file until after the sorted ctors. The .ctor section
from the crtend file contains the end of ctors marker and it
must be last */
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))
} > RAM
.text :
{
. = ALIGN(2);
PROVIDE (_start = .);
*(.lowtext .text .stub .text.* .gnu.linkonce.t.* .text:*)
KEEP (*(.text.*personality*))
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.interp .hash .dynsym .dynstr .gnu.version*)
PROVIDE (__etext = .);
PROVIDE (_etext = .);
PROVIDE (etext = .);
. = ALIGN(2);
KEEP (*(.init))
KEEP (*(.fini))
} > RAM
.data : {
. = ALIGN(2);
PROVIDE (__datastart = .);
KEEP (*(.jcr))
*(.data.rel.ro.local) *(.data.rel.ro*)
*(.dynamic)
*(.data .data.* .gnu.linkonce.d.*)
KEEP (*(.gnu.linkonce.d.*personality*))
SORT(CONSTRUCTORS)
*(.data1)
*(.got.plt) *(.got)
/* We want the small data sections together, so single-instruction offsets
can access them all, and initialized data all before uninitialized, so
we can shorten the on-disk segment size. */
. = ALIGN(2);
*(.sdata .sdata.* .gnu.linkonce.s.* D_2 D_1)
. = ALIGN(2);
_edata = .;
PROVIDE (edata = .);
PROVIDE (__dataend = .);
} > RAM
/* Note that crt0 assumes this is a multiple of two; all the
start/stop symbols are also assumed word-aligned. */
PROVIDE(__romdatastart = LOADADDR(.data));
PROVIDE (__romdatacopysize = SIZEOF(.data));
.bss : {
. = ALIGN(2);
PROVIDE (__bssstart = .);
*(.dynbss)
*(.sbss .sbss.*)
*(.bss .bss.* .gnu.linkonce.b.*)
. = ALIGN(2);
*(COMMON)
. = ALIGN(2);
PROVIDE (__bssend = .);
_end = .;
PROVIDE (end = .);
} > RAM
PROVIDE (__bsssize = SIZEOF(.bss));
.stack (ORIGIN (RAM) + LENGTH(RAM)) :
{
PROVIDE (__stack = .);
*(.stack)
}
/* The rest are all not normally part of the runtime image. */
.MP430.attributes 0 :
{
KEEP (*(.MSP430.attributes))
KEEP (*(.gnu.attributes))
KEEP (*(__TI_build_attributes))
}
/* 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) }
/* DWARF 3 */
.debug_pubtypes 0 : { *(.debug_pubtypes) }
.debug_ranges 0 : { *(.debug_ranges) }
/* DWARF Extension. */
.debug_macro 0 : { *(.debug_macro) }
/DISCARD/ : { *(.note.GNU-stack) }
}

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/* Copyright (c) 2005,2008,2009,2011,2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use, modify,
copy, or redistribute it subject to the terms and conditions of the BSD
License. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
are incorporated in the source code or documentation are not subject to the BSD
License and may only be used or replicated with the express permission of
Red Hat, Inc.
*/
/* Default linker script, for normal executables */
OUTPUT_ARCH(msp430)
ENTRY(_start)
/* Do we need any of these for elf?
__DYNAMIC = 0; */
MEMORY {
RAM (w) : ORIGIN = 0x00200, LENGTH = 0x0ee00
RESETVEC (w) : ORIGIN = 0x0fffe, LENGTH = 0x00002
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SECTIONS
{
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*(.resetvec)
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.rodata : {
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*(.rodata .rodata.* .gnu.linkonce.r.* .const .const:*)
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KEEP (*(.eh_frame))
KEEP (*(.gcc_except_table)) *(.gcc_except_table.*)
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KEEP (*(.preinit_array))
PROVIDE (__preinit_array_end = .);
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KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
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PROVIDE (__fini_array_start = .);
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KEEP (*crtbegin*.o(.ctors))
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KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
KEEP (*crtbegin*.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
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.text :
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PROVIDE (_start = .);
*(.lowtext .text .stub .text.* .gnu.linkonce.t.* .text:*)
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/* .gnu.warning sections are handled specially by elf32.em. */
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PROVIDE (_etext = .);
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PROVIDE (edata = .);
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/* Note that crt0 assumes this is a multiple of two; all the
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PROVIDE(__romdatastart = LOADADDR(.data));
PROVIDE (__romdatacopysize = SIZEOF(.data));
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PROVIDE (__bsssize = SIZEOF(.bss));
.stack (ORIGIN (RAM) + LENGTH(RAM)) :
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PROVIDE (__stack = .);
*(.stack)
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.MP430.attributes 0 :
{
KEEP (*(.MSP430.attributes))
KEEP (*(.gnu.attributes))
KEEP (*(__TI_build_attributes))
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/DISCARD/ : { *(.note.GNU-stack) }
}

203
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View File

@ -0,0 +1,203 @@
/* Copyright (c) 2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use, modify,
copy, or redistribute it subject to the terms and conditions of the BSD
License. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
are incorporated in the source code or documentation are not subject to the BSD
License and may only be used or replicated with the express permission of
Red Hat, Inc.
*/
/* Default linker script, for normal executables */
OUTPUT_ARCH(msp430)
ENTRY(_start)
/* Do we need any of these for elf?
__DYNAMIC = 0; */
MEMORY {
RAM (w) : ORIGIN = 0x01c00, LENGTH = 0x04000
LOWROM (w) : ORIGIN = 0x05c00, LENGTH = 0x0a3fe
RESETVEC (w) : ORIGIN = 0x0fffe, LENGTH = 0x00002
ROM (w) : ORIGIN = 0x10000, LENGTH = 0x35c00
}
SECTIONS
{
.resetvec :
{
*(.resetvec)
} > RESETVEC
.rodata : {
. = ALIGN(2);
*(.plt)
*(.rodata .rodata.* .gnu.linkonce.r.* .const .const:*)
*(.rodata1)
*(.eh_frame_hdr)
KEEP (*(.eh_frame))
KEEP (*(.gcc_except_table)) *(.gcc_except_table.*)
PROVIDE (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE (__preinit_array_end = .);
PROVIDE (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE (__init_array_end = .);
PROVIDE (__fini_array_start = .);
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
PROVIDE (__fini_array_end = .);
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/* gcc uses crtbegin.o to find the start of the constructors, so
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KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
KEEP (*crtbegin*.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
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} > ROM
.data : {
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*(.stack)
}
/* This is just for crt0.S */
.lowtext :
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PROVIDE (_start = .);
. = ALIGN(2);
*(.lowtext)
} > LOWROM
.text :
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. = ALIGN(2);
*(.text .stub .text.* .gnu.linkonce.t.* .text:*)
KEEP (*(.text.*personality*))
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*(.gnu.warning)
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PROVIDE (__etext = .);
PROVIDE (_etext = .);
PROVIDE (etext = .);
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KEEP (*(.init))
KEEP (*(.fini))
} > ROM
/* The rest are all not normally part of the runtime image. */
.MP430.attributes 0 :
{
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KEEP (*(__TI_build_attributes))
}
/* Stabs debugging sections. */
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/* DWARF debug sections.
Symbols in the DWARF debugging sections are relative to the beginning
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/* DWARF 2 */
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}

189
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View File

@ -0,0 +1,189 @@
/* Copyright (c) 2005,2008,2009,2011,2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use, modify,
copy, or redistribute it subject to the terms and conditions of the BSD
License. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
are incorporated in the source code or documentation are not subject to the BSD
License and may only be used or replicated with the express permission of
Red Hat, Inc.
*/
/* Default linker script, for normal executables */
OUTPUT_ARCH(msp430)
ENTRY(_start)
/* Do we need any of these for elf?
__DYNAMIC = 0; */
MEMORY {
RAM (w) : ORIGIN = 0x01c00, LENGTH = 0x04000
ROM (w) : ORIGIN = 0x05c00, LENGTH = 0x0a3fe
RESETVEC (w) : ORIGIN = 0x0fffe, LENGTH = 0x00002
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SECTIONS
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203
libgloss/msp430/msp430xl-sim.ld Normal file
View File

@ -0,0 +1,203 @@
/* Copyright (c) 2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use, modify,
copy, or redistribute it subject to the terms and conditions of the BSD
License. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
are incorporated in the source code or documentation are not subject to the BSD
License and may only be used or replicated with the express permission of
Red Hat, Inc.
*/
/* Default linker script, for normal executables */
OUTPUT_ARCH(msp430)
ENTRY(_start)
/* Do we need any of these for elf?
__DYNAMIC = 0; */
MEMORY {
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KEEP (*(.fini))
} > ROM
/* The rest are all not normally part of the runtime image. */
.MP430.attributes 0 :
{
KEEP (*(.MSP430.attributes))
KEEP (*(.gnu.attributes))
KEEP (*(__TI_build_attributes))
}
/* 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) }
/* DWARF 3 */
.debug_pubtypes 0 : { *(.debug_pubtypes) }
.debug_ranges 0 : { *(.debug_ranges) }
/* DWARF Extension. */
.debug_macro 0 : { *(.debug_macro) }
/DISCARD/ : { *(.note.GNU-stack) }
}

69
libgloss/msp430/nosyscalls.S Normal file
View File

@ -0,0 +1,69 @@
/* Copyright (c) 2012, 2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use, modify,
copy, or redistribute it subject to the terms and conditions of the BSD
License. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
are incorporated in the source code or documentation are not subject to the BSD
License and may only be used or replicated with the express permission of
Red Hat, Inc.
*/
/* Empty syscall definitions for when we run on real hardware. */
#include "../syscall.h"
#include "memmodel.h"
#define ENOSYS 88
.macro sc,a
sc2 \a,\a
.endm
.macro sc2,name,num
.weak \name
.global \name
\name:
call_ #__errno
movx_ #ENOSYS, @R12
MOV.W #-1,R12
ret_
.endm
.weak exit
.weak _exit
.global exit
.global _exit
exit:
_exit:
/* For some reason, the board fails to stop at a breakpoint
placed on top of a software breakpoint instruction. */
/* MOV.B #0,R3 ; this is a software breakpoint instruction */
1: br_ #1b
#define SC(n) sc2 n,SYS_##n
SC (open)
SC (close)
SC (read)
/* SC (write)*/
SC (fstat)
SC (lseek)
SC (kill)
.weak isatty
.global isatty
isatty:
.weak _isatty
.global _isatty
_isatty:
MOV #1,R12
ret_
.weak getpid
.global getpid
getpid:
MOV #42,R12
ret_

33
libgloss/msp430/sbrk.c Normal file
View File

@ -0,0 +1,33 @@
/* Copyright (c) 2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use, modify,
copy, or redistribute it subject to the terms and conditions of the BSD
License. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
are incorporated in the source code or documentation are not subject to the BSD
License and may only be used or replicated with the express permission of
Red Hat, Inc.
*/
char *
_sbrk (int adj)
{
extern char end[]; /* Defined in the linker script. */
static char * heap = end;
char * rv = heap;
char * sp = (char *) & sp; /* Stack grows down, heap grows up... */
if (heap + adj > sp)
{
#define MESSAGE "Heap and stack collision\n"
write (1, MESSAGE, sizeof MESSAGE);
abort ();
}
heap += adj;
return rv;
}
char * sbrk (int) __attribute__((weak, alias ("_sbrk")));

66
libgloss/msp430/syscalls.S Normal file
View File

@ -0,0 +1,66 @@
/* Copyright (c) 2012, 2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use, modify,
copy, or redistribute it subject to the terms and conditions of the BSD
License. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
are incorporated in the source code or documentation are not subject to the BSD
License and may only be used or replicated with the express permission of
Red Hat, Inc.
*/
/* Be wary: the lower N bits of the *address* of the function
determines the syscall used by the simulator. Thus, the addresses
listed here depend on the syscall numbers in ../syscalls.h. */
/* As per the MSP430x200 Family Users Guide, section 1.5, "An
instruction fetch from the address range 0x0000 - 0x01FF will reset
the device." We take advantage of that to do syscalls in the
simulator, by trying to execute specific addresses in that range
and letting the simulator catch them while simulating the CALL
instruction. In theory, this is an operation that the physical
hardware will never attempt to do, so it won't interfere with the
simulation's accuracy (i.e. we aren't abusing holes in the opcode
map, for example). */
#include "../syscall.h"
#include "memmodel.h"
.macro sc,a
sc2 \a,\a
.endm
.macro sc2,name,num
.weak \name
.global \name
\name = 0x180 + \num
.endm
#define SC(n) sc2 n,SYS_##n
sc2 _exit,SYS_exit
SC (exit)
SC (open)
SC (close)
SC (read)
/* SC (write)*/
SC (fstat)
SC (lseek)
SC (kill)
.weak isatty
.global isatty
isatty:
.weak _isatty
.global _isatty
_isatty:
MOV #1,R12
ret_
.weak getpid
.global getpid
getpid:
MOV #42,R12
ret_

59
libgloss/msp430/write.c Normal file
View File

@ -0,0 +1,59 @@
/* Copyright (c) 2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use, modify,
copy, or redistribute it subject to the terms and conditions of the BSD
License. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
are incorporated in the source code or documentation are not subject to the BSD
License and may only be used or replicated with the express permission of
Red Hat, Inc.
*/
#include <string.h>
#include "cio.h"
static int
write_chunk (int fd, char *buf, int len)
{
__CIOBUF__.length[0] = len;
__CIOBUF__.length[1] = len >> 8;
__CIOBUF__.parms[0] = CIO_WRITE;
__CIOBUF__.parms[1] = fd;
__CIOBUF__.parms[2] = fd >> 8;
__CIOBUF__.parms[3] = len;
__CIOBUF__.parms[4] = len >> 8;
memcpy (__CIOBUF__.buf, buf, len);
_libgloss_cio_hook ();
return __CIOBUF__.parms[0] + __CIOBUF__.parms[1] * 256;
}
#include <stdio.h>
int
write (int fd, char *buf, int len)
{
int rv = 0;
int c;
#if 0
if (fd == 2)
fprintf (stderr, "%.*s", buf, len);
else if (fd == 1)
printf ("%.*s", buf, len);
#endif
while (len > 0)
{
int l = (len > CIO_BUF_SIZE) ? CIO_BUF_SIZE : len;
c = write_chunk (fd, buf, l);
if (c < 0)
return c;
rv += l;
len -= l;
buf += l;
}
return c;
}

11
newlib/ChangeLog
View File

@ -1,3 +1,14 @@
2013-05-13 DJ Delorie <dj@delorie.com>
Nick Clifton <nickc@redhat.com>
* configure.host (msp430): Add.
* libc/include/machine/ieeefp.h: Add MSP430 support.
* libc/include/machine/setjmp.h: Likewise.
* libc/include/sys/config.h: Likewise.
* libc/machine/configure.in (msp430): Add.
* libc/machine/configure: Regenerate.
* libc/machine/msp430: New directory.
2013-05-10 Freddie Chopin <freddie_chopin@op.pl> 2013-05-10 Freddie Chopin <freddie_chopin@op.pl>
* configure.in: Fix help text for disable-newlib-atexit-dynamic-alloc option. * configure.in: Fix help text for disable-newlib-atexit-dynamic-alloc option.

2
newlib/MAINTAINERS
View File

@ -42,6 +42,8 @@ moxie Anthony Green green@moxielogic.com
rl78 DJ Delorie dj@redhat.com rl78 DJ Delorie dj@redhat.com
aarch64 Richard Earnshaw richard.earnshaw@arm.com aarch64 Richard Earnshaw richard.earnshaw@arm.com
Marcus Shawcroft marcus.shawcroft@arm.com Marcus Shawcroft marcus.shawcroft@arm.com
msp430 DJ Delorie dj@redhat.com
Nick Clifton nickc@redhat.com
Write After Approval Write After Approval

8
newlib/configure.host
View File

@ -79,7 +79,7 @@ case "${target_optspace}:${host}" in
yes:*) yes:*)
newlib_cflags="${newlib_cflags} -Os" newlib_cflags="${newlib_cflags} -Os"
;; ;;
:m32r-* | :d10v-* | :d30v-* | :avr-* | :m32c-* ) :m32r-* | :d10v-* | :d30v-* | :avr-* | :m32c-* | :msp430*-* )
newlib_cflags="${newlib_cflags} -Os" newlib_cflags="${newlib_cflags} -Os"
;; ;;
no:* | :*) no:* | :*)
@ -224,6 +224,12 @@ case "${host_cpu}" in
moxie) moxie)
machine_dir=moxie machine_dir=moxie
;; ;;
msp430*)
newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -DSMALL_MEMORY"
newlib_cflags="${newlib_cflags} -ffunction-sections -fdata-sections "
newlib_cflags="${newlib_cflags} -mOs "
machine_dir=msp430
;;
mt*) mt*)
machine_dir=mt machine_dir=mt
;; ;;

5
newlib/libc/include/machine/ieeefp.h
View File

@ -359,6 +359,11 @@
#define __IEEE_BIG_ENDIAN #define __IEEE_BIG_ENDIAN
#endif #endif
#ifdef __MSP430__
#define __IEEE_LITTLE_ENDIAN
#define __SMALL_BITFIELDS /* 16 Bit INT */
#endif
#ifdef __RL78__ #ifdef __RL78__
#define __IEEE_LITTLE_ENDIAN #define __IEEE_LITTLE_ENDIAN
#define __SMALL_BITFIELDS /* 16 Bit INT */ #define __SMALL_BITFIELDS /* 16 Bit INT */

10
newlib/libc/include/machine/setjmp.h
View File

@ -281,6 +281,16 @@ _BEGIN_STD_C
#define _JBTYPE unsigned short #define _JBTYPE unsigned short
#endif /* __m32c__ */ #endif /* __m32c__ */
#ifdef __MSP430__
#define _JBLEN 9
#ifdef __MSP430X_LARGE__
#define _JBTYPE unsigned long
#else
#define _JBTYPE unsigned short
#endif
#endif
#ifdef __RL78__ #ifdef __RL78__
/* Three banks of registers, SP, CS, ES, PC */ /* Three banks of registers, SP, CS, ES, PC */
#define _JBLEN (8*3+8) #define _JBLEN (8*3+8)

15
newlib/libc/include/sys/config.h
View File

@ -145,6 +145,21 @@
#define __BUFSIZ__ 16 #define __BUFSIZ__ 16
#define _REENT_SMALL #define _REENT_SMALL
#endif #endif
#if defined __MSP430__
#ifndef _REENT_SMALL
#define _REENT_SMALL
#endif
#define __SMALL_BITFIELDS
#ifdef __MSP430X_LARGE__
#define _POINTER_INT long
#else
#define _POINTER_INT int
#endif
#endif
#ifdef __m32c__ #ifdef __m32c__
#define __SMALL_BITFIELDS #define __SMALL_BITFIELDS
#undef INT_MAX #undef INT_MAX

3
newlib/libc/machine/configure vendored
View File

@ -814,6 +814,7 @@ mips
mn10200 mn10200
mn10300 mn10300
moxie moxie
msp430
mt mt
necv70 necv70
nios2 nios2
@ -11878,6 +11879,8 @@ subdirs="$subdirs a29k"
mn10300) subdirs="$subdirs mn10300" mn10300) subdirs="$subdirs mn10300"
;; ;;
moxie) subdirs="$subdirs moxie" moxie) subdirs="$subdirs moxie"
;;
msp430) subdirs="$subdirs msp430"
;; ;;
mt) subdirs="$subdirs mt" mt) subdirs="$subdirs mt"
;; ;;

1
newlib/libc/machine/configure.in
View File

@ -53,6 +53,7 @@ if test -n "${machine_dir}"; then
mn10200) AC_CONFIG_SUBDIRS(mn10200) ;; mn10200) AC_CONFIG_SUBDIRS(mn10200) ;;
mn10300) AC_CONFIG_SUBDIRS(mn10300) ;; mn10300) AC_CONFIG_SUBDIRS(mn10300) ;;
moxie) AC_CONFIG_SUBDIRS(moxie) ;; moxie) AC_CONFIG_SUBDIRS(moxie) ;;
msp430) AC_CONFIG_SUBDIRS(msp430) ;;
mt) AC_CONFIG_SUBDIRS(mt) ;; mt) AC_CONFIG_SUBDIRS(mt) ;;
necv70) AC_CONFIG_SUBDIRS(necv70) ;; necv70) AC_CONFIG_SUBDIRS(necv70) ;;
nios2) AC_CONFIG_SUBDIRS(nios2) ;; nios2) AC_CONFIG_SUBDIRS(nios2) ;;

29
newlib/libc/machine/msp430/Makefile.am Normal file
View File

@ -0,0 +1,29 @@
# Copyright (c) 2013 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the BSD License. This program is distributed in the hope that
# it will be useful, but WITHOUT ANY WARRANTY expressed or implied,
# including the implied warranties of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. A copy of this license is available at
# http://www.opensource.org/licenses. Any Red Hat trademarks that are
# incorporated in the source code or documentation are not subject to
# the BSD License and may only be used or replicated with the express
# permission of Red Hat, Inc.
## Process this file with automake to generate Makefile.in
AUTOMAKE_OPTIONS = cygnus
INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
AM_CCASFLAGS = $(INCLUDES)
noinst_LIBRARIES = lib.a
lib_a_SOURCES = setjmp.S
lib_a_CCASFLAGS=$(AM_CCASFLAGS)
lib_a_CFLAGS=$(AM_CFLAGS)
ACLOCAL_AMFLAGS = -I ../../.. -I ../../../..
CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host

413
newlib/libc/machine/msp430/Makefile.in Normal file
View File

@ -0,0 +1,413 @@
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# @configure_input@
# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
# Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
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m4_include([../../../acinclude.m4])

4692
newlib/libc/machine/msp430/configure vendored Executable file
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File diff suppressed because it is too large Load Diff

27
newlib/libc/machine/msp430/configure.in Normal file
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@ -0,0 +1,27 @@
# Copyright (c) 2013 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the BSD License. This program is distributed in the hope that
# it will be useful, but WITHOUT ANY WARRANTY expressed or implied,
# including the implied warranties of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. A copy of this license is available at
# http://www.opensource.org/licenses. Any Red Hat trademarks that are
# incorporated in the source code or documentation are not subject to
# the BSD License and may only be used or replicated with the express
# permission of Red Hat, Inc.
dnl This is the newlib/libc/machine/msp430 configure.in file.
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
AC_INIT([newlib],[NEWLIB_VERSION])
AC_CONFIG_SRCDIR([setjmp.S])
dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake.
AC_CONFIG_AUX_DIR(../../../..)
NEWLIB_CONFIGURE(../../..)
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

105
newlib/libc/machine/msp430/setjmp.S Normal file
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@ -0,0 +1,105 @@
/* Copyright (c) 2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use,
modify, copy, or redistribute it subject to the terms and conditions
of the BSD License. This program is distributed in the hope that
it will be useful, but WITHOUT ANY WARRANTY expressed or implied,
including the implied warranties of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. A copy of this license is available at
http://www.opensource.org/licenses. Any Red Hat trademarks that are
incorporated in the source code or documentation are not subject to
the BSD License and may only be used or replicated with the express
permission of Red Hat, Inc.
*/
# setjmp/longjmp for msp430. The jmpbuf looks like this:
#
# Register Jmpbuf offset
# small large
# r0 (pc) 0x00 0x00
# r1 (sp) 0x02 0x04
# r4 0x04 0x08
# r5 0x06 0x0c
# r6 0x08 0x10
# r7 0x0a 0x14
# r8 0x0c 0x18
# r9 0x0e 0x1c
# r10 0x10 0x20
.text
.global setjmp
setjmp:
; Upon entry r12 points to the jump buffer.
; Returns 0 to caller.
#if defined __MSP430X_LARGE__
mova @r1, r13
mova r13, 0(r12)
mova r1, 4(r12)
mova r4, 8(r12)
mova r5, 12(r12)
mova r6, 16(r12)
mova r7, 20(r12)
mova r8, 24(r12)
mova r9, 28(r12)
mova r10, 32(r12)
clr r12
reta
#else
;; Get the return address off the stack
mov.w @r1, r13
mov.w r13, 0(r12)
mov.w r1, 2(r12)
mov.w r4, 4(r12)
mov.w r5, 6(r12)
mov.w r6, 8(r12)
mov.w r7, 10(r12)
mov.w r8, 12(r12)
mov.w r9, 14(r12)
mov.w r10, 16(r12)
clr r12
ret
#endif
.global longjmp
longjmp:
; Upon entry r12 points to the jump buffer and
; r13 contains the value to be returned by setjmp.
#if defined __MSP430X_LARGE__
mova @r12+, r14
mova @r12+, r1
mova @r12+, r4
mova @r12+, r5
mova @r12+, r6
mova @r12+, r7
mova @r12+, r8
mova @r12+, r9
mova @r12+, r10
#else
mov.w @r12+, r14
mov.w @r12+, r1
mov.w @r12+, r4
mov.w @r12+, r5
mov.w @r12+, r6
mov.w @r12+, r7
mov.w @r12+, r8
mov.w @r12+, r9
mov.w @r12+, r10
#endif
; If caller attempts to return 0, return 1 instead.
cmp.w #0, r13
jne .Lnot_zero
mov.w #1, r13
.Lnot_zero:
mov.w r13, r12
#if defined __MSP430X_LARGE__
adda #4, r1
mova r14, r0
#else
add.w #2, r1
mov.w r14, r0
#endif