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2013-07-09 Sabrina Ni <sabrina@andestech.com> 

* configure.host (machine_dir, syscall_dir, newlib_cflags):
        Add settings for nds32*.
        * libc/include/machine/ieeefp.h (IEEE_BIG_ENDIAN, IEEE_LITTLE_ENDIAN):
        Ditto.
        * libc/include/machine/setjmp.h (JBLEN): Ditto.
        * libc/machine/configure.in: Add nds32 subdir.
        * libc/machine/configure: Regenerated.
        * libc/machine/nds32/Makefile.am: New.
        * libc/machine/nds32/Makefile.in: New (autogenerated).
        * libc/machine/nds32/aclocal.m4: New (autogenerated).
        * libc/machine/nds32/configure.in: New.
        * libc/machine/nds32/configure: New (autogenerated).
        * libc/machine/nds32/setjmp.S: New.
This commit is contained in:
Jeff Johnston 2013-07-09 19:06:47 +00:00
parent 9b51cd8c6b
commit dc0cb474bb
12 changed files with 6364 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
newlib/ChangeLog
View File

@ -1,3 +1,19 @@
2013-07-09 Sabrina Ni <sabrina@andestech.com>
* configure.host (machine_dir, syscall_dir, newlib_cflags):
Add settings for nds32*.
* libc/include/machine/ieeefp.h (IEEE_BIG_ENDIAN, IEEE_LITTLE_ENDIAN):
Ditto.
* libc/include/machine/setjmp.h (JBLEN): Ditto.
* libc/machine/configure.in: Add nds32 subdir.
* libc/machine/configure: Regenerated.
* libc/machine/nds32/Makefile.am: New.
* libc/machine/nds32/Makefile.in: New (autogenerated).
* libc/machine/nds32/aclocal.m4: New (autogenerated).
* libc/machine/nds32/configure.in: New.
* libc/machine/nds32/configure: New (autogenerated).
* libc/machine/nds32/setjmp.S: New.
2013-07-09 Sebastian Huber <sebastian.huber@embedded-brains.de>
* libc/include/sys/config.h (__DYNAMIC_REENT__): Define for RTEMS.

11
newlib/configure.host
View File

@ -79,7 +79,7 @@ case "${target_optspace}:${host}" in
yes:*)
newlib_cflags="${newlib_cflags} -Os"
;;
:m32r-* | :d10v-* | :d30v-* | :avr-* | :m32c-* | :msp430*-* )
:m32r-* | :d10v-* | :d30v-* | :avr-* | :m32c-* | :msp430*-* | :nds32* )
newlib_cflags="${newlib_cflags} -Os"
;;
no:* | :*)
@ -233,6 +233,12 @@ case "${host_cpu}" in
mt*)
machine_dir=mt
;;
nds32*)
machine_dir=nds32
newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED "
newlib_cflags="${newlib_cflags} -DSMALL_MEMORY "
newlib_cflags="${newlib_cflags} -ffunction-sections -fdata-sections"
;;
nios2*)
machine_dir=nios2
;;
@ -719,6 +725,9 @@ case "${host}" in
syscall_dir=
newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DHAVE_SYSTEM -DMISSING_SYSCALL_NAMES"
;;
nds32*)
syscall_dir=syscalls
;;
powerpc*-*-eabialtivec*)
default_newlib_io_long_long="yes"
newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"

8
newlib/libc/include/machine/ieeefp.h
View File

@ -86,6 +86,14 @@
#define __IEEE_BIG_ENDIAN
#endif
#ifdef __nds32__
#ifdef __big_endian__
#define __IEEE_BIG_ENDIAN
#else
#define __IEEE_LITTLE_ENDIAN
#endif
#endif
#ifdef __SPU__
#define __IEEE_BIG_ENDIAN

7
newlib/libc/include/machine/setjmp.h
View File

@ -55,6 +55,13 @@ _BEGIN_STD_C
#define _JBLEN 32
#endif
#ifdef __nds32__
/* Only 17 words are currently needed.
Preserve one word slot if we need to expand.
Check newlib/libc/machine/nds32/setjmp.S for more information. */
#define _JBLEN 18
#endif
#if defined(__Z8001__) || defined(__Z8002__)
/* 16 regs + pc */
#define _JBLEN 20

7
newlib/libc/machine/configure vendored
View File

@ -816,6 +816,7 @@ mn10300
moxie
msp430
mt
nds32
necv70
nios2
powerpc
@ -11471,7 +11472,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11473 "configure"
#line 11475 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11577,7 +11578,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11579 "configure"
#line 11581 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11883,6 +11884,8 @@ subdirs="$subdirs a29k"
msp430) subdirs="$subdirs msp430"
;;
mt) subdirs="$subdirs mt"
;;
nds32) subdirs="$subdirs nds32"
;;
necv70) subdirs="$subdirs necv70"
;;

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

@ -55,6 +55,7 @@ if test -n "${machine_dir}"; then
moxie) AC_CONFIG_SUBDIRS(moxie) ;;
msp430) AC_CONFIG_SUBDIRS(msp430) ;;
mt) AC_CONFIG_SUBDIRS(mt) ;;
nds32) AC_CONFIG_SUBDIRS(nds32) ;;
necv70) AC_CONFIG_SUBDIRS(necv70) ;;
nios2) AC_CONFIG_SUBDIRS(nios2) ;;
powerpc) AC_CONFIG_SUBDIRS(powerpc) ;;

16
newlib/libc/machine/nds32/Makefile.am Normal file
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@ -0,0 +1,16 @@
## Process this file with automake to generate Makefile.in
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lib_a_CFLAGS = $(AM_CFLAGS)
ACLOCAL_AMFLAGS = -I ../../.. -I ../../../..
CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host

440
newlib/libc/machine/nds32/Makefile.in Normal file
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@ -0,0 +1,440 @@
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1012
newlib/libc/machine/nds32/aclocal.m4 vendored Normal file
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4748
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14
newlib/libc/machine/nds32/configure.in Normal file
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@ -0,0 +1,14 @@
dnl This is the newlib/libc/machine/nds32 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

87
newlib/libc/machine/nds32/setjmp.S Normal file
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@ -0,0 +1,87 @@
/*
Copyright (c) 2013 Andes Technology Corporation.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of the company may not be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
The setjmp/longjmp for nds32.
The usage of thirty-two 32-bit General Purpose Registers (GPR):
$r28 : $fp
$r29 : $gp
$r30 : $lp
$r31 : $sp
caller-save registers: $r0 ~ $r5, $r16 ~ $r23
callee-save registers: $r6 ~ $r10, $r11 ~ $r14
reserved for assembler : $r15
reserved for other use : $r24, $r25, $r26, $r27
Save all callee-save registers and $fp, $gp, $lp and $sp.
*/
/* int setjmp(jmp_buf env); */
.text
.align 2
.global setjmp
.type setjmp, @function
setjmp:
#ifdef __NDS32_REDUCED_REGS__
/* This case, save 10 words. */
smw.bim $r6, [$r0], $r10, 0x0
smw.bim $r31, [$r0], $r31, 0xf
#else
/* This case, save 17 words. */
smw.bim $r6, [$r0], $r14, 0x0
smw.bim $r16, [$r0], $r19, 0xf
#endif
/* Set return value to zero. */
movi $r0, 0
ret
.size setjmp, .-setjmp
/* void longjmp(jmp_buf env, int val); */
.text
.align 2
.global longjmp
.type longjmp, @function
longjmp:
#ifdef __NDS32_REDUCED_REGS__
lmw.bim $r6, [$r0], $r10, 0x0
lmw.bim $r31, [$r0], $r31, 0xf
#else
lmw.bim $r6, [$r0], $r14, 0x0
lmw.bim $r16, [$r0], $r19, 0xf
#endif
/* If the value val is 0, 1 will be returned instead. */
bnez $r1, 1f
movi $r1, 1
1:
move $r0, $r1
ret
.size longjmp, .-longjmp