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2009-09-28 Michael Eager <eager@eagercon.com> 

* configure.host: Add microblaze.
        * libc/include/machine/ieeefp.h [MICROBLAZE]: Define __IEEE_BIG_ENDIAN.
        * libc/include/machine/setjmp.h [MICROBLAZE]: Define _JBLEN, _JBTYPE.
        * libc/include/sys/config.h [MICROBLAZE]: Define _REENT_SMALL,
        _UNIX98_THREAD_MUTEX_ATTRIBUTES.
        * libc/include/sys/types.h: Treat XMK like rtems, define
        PTHREAD_MUTEX_NORMAL, PTHREAD_MUTEX_ERRORCHECK, PTHREAD_MUTEX_RECURSIVE,
        PTHREAD_MUTEX_DEFAULT, PTHREAD_STACK_MIN, define stuct pthread_attr_s.
        * libc/machine/configure.in: Add microblaze.
        * libc/machine/configure: Add microblaze (not regenerated).
        * libc/machine/microblaze/configure.in: NEW.
        * libc/machine/microblaze/configure: Generate.
        * libc/machine/microblaze/Makefile.am: NEW.
        * libc/machine/microblaze/Makefile.in: Generate.
        * libc/machine/microblaze/{abort.c, strcmp.c, strcpy.c, strlen.c,
        mallocr.c, longjmp.S, setjmp.S}: NEW.
        * libc/stdlib/mallocr.c [MICROBLAZE]: Don't declare sbrk prototype,
        mALLOc(): return malloc value.
This commit is contained in:
Jeff Johnston 2009-09-28 16:42:21 +00:00
parent 587b75f7bd
commit 6c249577fb
20 changed files with 7326 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
newlib/ChangeLog
View File

@ -1,3 +1,24 @@
2009-09-28 Michael Eager <eager@eagercon.com>
* configure.host: Add microblaze.
* libc/include/machine/ieeefp.h [MICROBLAZE]: Define __IEEE_BIG_ENDIAN.
* libc/include/machine/setjmp.h [MICROBLAZE]: Define _JBLEN, _JBTYPE.
* libc/include/sys/config.h [MICROBLAZE]: Define _REENT_SMALL,
_UNIX98_THREAD_MUTEX_ATTRIBUTES.
* libc/include/sys/types.h: Treat XMK like rtems, define
PTHREAD_MUTEX_NORMAL, PTHREAD_MUTEX_ERRORCHECK, PTHREAD_MUTEX_RECURSIVE,
PTHREAD_MUTEX_DEFAULT, PTHREAD_STACK_MIN, define stuct pthread_attr_s.
* libc/machine/configure.in: Add microblaze.
* libc/machine/configure: Add microblaze (not regenerated).
* libc/machine/microblaze/configure.in: NEW.
* libc/machine/microblaze/configure: Generate.
* libc/machine/microblaze/Makefile.am: NEW.
* libc/machine/microblaze/Makefile.in: Generate.
* libc/machine/microblaze/{abort.c, strcmp.c, strcpy.c, strlen.c,
mallocr.c, longjmp.S, setjmp.S}: NEW.
* libc/stdlib/mallocr.c [MICROBLAZE]: Don't declare sbrk prototype,
mALLOc(): return malloc value.
2009-09-27 Corinna Vinschen <corinna@vinschen.de>
* libc/locale/locale.c (lc_ctype_charset): Set to "UTF-8" on Cygwin.

10
newlib/configure.host
View File

@ -193,6 +193,9 @@ case "${host_cpu}" in
;;
mcore)
;;
microblaze)
machine_dir=microblaze
;;
mep)
machine_dir=mep
;;
@ -446,6 +449,9 @@ case "${host}" in
default_newlib_io_long_long="yes"
newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
;;
microblaze-*-*)
machine_dir=microblaze
;;
mips*-dec-*)
sys_dir=decstation
;;
@ -669,6 +675,10 @@ case "${host}" in
mcore-*-*)
syscall_dir=syscalls
;;
microblaze-*-*)
default_newlib_io_long_long="yes"
newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES -DSMALL_MEMORY -D_REENT_SMALL"
;;
mips64vr*-*-*)
default_newlib_io_long_long="yes"
newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"

4
newlib/libc/include/machine/ieeefp.h
View File

@ -322,6 +322,10 @@
#endif
#endif
#ifdef __MICROBLAZE__
#define __IEEE_BIG_ENDIAN
#endif
#ifndef __IEEE_BIG_ENDIAN
#ifndef __IEEE_LITTLE_ENDIAN
#error Endianess not declared!!

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

@ -140,6 +140,11 @@ _BEGIN_STD_C
#define _JBTYPE double
#endif
#ifdef __MICROBLAZE__
#define _JBLEN 20
#define _JBTYPE unsigned int
#endif
#ifdef __hppa__
/* %r30, %r2-%r18, %r27, pad, %fr12-%fr15.
Note space exists for the FP registers, but they are not

11
newlib/libc/include/sys/config.h
View File

@ -94,6 +94,17 @@
#endif
#endif
/* Configure small REENT structure for Xilinx MicroBlaze platforms */
#if defined (__MICROBLAZE__)
#ifndef _REENT_SMALL
#define _REENT_SMALL
#endif
/* Xilinx XMK uses Unix98 mutex */
#ifdef __XMK__
#define _UNIX98_THREAD_MUTEX_ATTRIBUTES
#endif
#endif
#if defined(__mips__) && !defined(__rtems__)
#define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__section__(".sdata")))
#endif

59
newlib/libc/include/sys/types.h
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@ -24,7 +24,7 @@
#include <machine/_types.h>
#if defined(__rtems__)
#if defined(__rtems__) || defined(__XMK__)
/*
* The following section is RTEMS specific and is needed to more
* closely match the types defined in the BSD sys/types.h.
@ -392,6 +392,63 @@ typedef struct {
#if defined(__XMK__)
typedef unsigned int pthread_mutex_t; /* identify a mutex */
typedef struct {
int type;
} pthread_mutexattr_t;
#if defined(__XMK__)
/* The following defines are part of the X/Open System Interface (XSI). */
/* This type of mutex does not detect deadlock. A thread attempting to
* relock this mutex without first unlocking it shall deadlock. Attempting
* to unlock a mutex locked by a different thread results in undefined
* behavior. Attempting to unlock an unlocked mutex results in undefined
* behavior.
*/
#define PTHREAD_MUTEX_NORMAL 1
/*
* This type of mutex provides error checking. A thread attempting to
* relock this mutex without first unlocking it shall return with an error.
* A thread attempting to unlock a mutex which another thread has locked
* shall return with an error. A thread attempting to unlock an unlocked
* mutex shall return with an error.
*/
#define PTHREAD_MUTEX_ERRORCHECK 2
/* A thread attempting to relock this mutex without first unlocking it
* shall succeed in locking the mutex. The relocking deadlock which can
* occur with mutexes of type PTHREAD_MUTEX_NORMAL cannot occur with this
* type of mutex. Multiple locks of this mutex shall require the same
* number of unlocks to release the mutex before another thread can
* acquire the mutex. A thread attempting to unlock a mutex which another
* thread has locked shall return with an error. A thread attempting to
* unlock an unlocked mutex shall return with an error.
*/
#define PTHREAD_MUTEX_RECURSIVE 3
/* Attempting to recursively lock a mutex of this type results in
* undefined behavior. Attempting to unlock a mutex of this type which was
* not locked by the calling thread results in undefined behavior.
* Attempting to unlock a mutex of this type which is not locked results
* in undefined behavior. An implementation may map this mutex to one of
* the other mutex types.
*/
#define PTHREAD_MUTEX_DEFAULT 4
typedef struct pthread_attr_s {
int contentionscope;
struct sched_param schedparam;
int detachstate;
void *stackaddr;
size_t stacksize;
} pthread_attr_t;
#define PTHREAD_STACK_MIN 200
#endif /* defined(__XMK__) */
typedef struct {
int type;
} pthread_mutexattr_t;

5
newlib/libc/machine/configure vendored
View File

@ -480,6 +480,7 @@ ac_subdirs_all="$ac_subdirs_all m68hc11"
ac_subdirs_all="$ac_subdirs_all m68k"
ac_subdirs_all="$ac_subdirs_all m88k"
ac_subdirs_all="$ac_subdirs_all mep"
ac_subdirs_all="$ac_subdirs_all microblaze"
ac_subdirs_all="$ac_subdirs_all mips"
ac_subdirs_all="$ac_subdirs_all mn10200"
ac_subdirs_all="$ac_subdirs_all mn10300"
@ -11458,6 +11459,10 @@ subdirs="$subdirs m88k"
mep )
subdirs="$subdirs mep"
;;
microblaze)
subdirs="$subdirs microblaze"
;;
mips)

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

@ -44,6 +44,7 @@ if test -n "${machine_dir}"; then
m68k) AC_CONFIG_SUBDIRS(m68k) ;;
m88k) AC_CONFIG_SUBDIRS(m88k) ;;
mep ) AC_CONFIG_SUBDIRS(mep) ;;
microblaze ) AC_CONFIG_SUBDIRS(microblaze) ;;
mips) AC_CONFIG_SUBDIRS(mips) ;;
mn10200) AC_CONFIG_SUBDIRS(mn10200) ;;
mn10300) AC_CONFIG_SUBDIRS(mn10300) ;;

16
newlib/libc/machine/microblaze/Makefile.am Normal file
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@ -0,0 +1,16 @@
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lib_a_CFLAGS=$(AM_CFLAGS)
ACLOCAL_AMFLAGS = -I ../../.. -I ../../../..
CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host

443
newlib/libc/machine/microblaze/Makefile.in Normal file
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@ -0,0 +1,443 @@
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64
newlib/libc/machine/microblaze/abort.c Normal file
View File

@ -0,0 +1,64 @@
/* NetWare can not use this implementation of abort. It provides its
own version of abort in clib.nlm. If we can not use clib.nlm, then
we must write abort in sys/netware. */
#ifdef ABORT_PROVIDED
int _dummy_abort = 1;
#else
/*
FUNCTION
<<abort>>---abnormal termination of a program
INDEX
abort
ANSI_SYNOPSIS
#include <stdlib.h>
void abort(void);
TRAD_SYNOPSIS
#include <stdlib.h>
void abort();
DESCRIPTION
Use <<abort>> to signal that your program has detected a condition it
cannot deal with. Normally, <<abort>> ends your program's execution.
Before terminating your program, <<abort>> raises the exception <<SIGABRT>>
(using `<<raise(SIGABRT)>>'). If you have used <<signal>> to register
an exception handler for this condition, that handler has the
opportunity to retain control, thereby avoiding program termination.
In this implementation, <<abort>> does not perform any stream- or
file-related cleanup (the host environment may do so; if not, you can
arrange for your program to do its own cleanup with a <<SIGABRT>>
exception handler).
RETURNS
<<abort>> does not return to its caller.
PORTABILITY
ANSI C requires <<abort>>.
Supporting OS subroutines required: <<_exit>> and optionally, <<write>>.
*/
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
_VOID
_DEFUN_VOID (abort)
{
#ifdef ABORT_MESSAGE
write (2, "Abort called\n", sizeof ("Abort called\n")-1);
#endif
while (1)
{
exit(1);
}
}

992
newlib/libc/machine/microblaze/aclocal.m4 vendored Normal file
View File

@ -0,0 +1,992 @@
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m4_include([../../../acinclude.m4])

4991
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14
newlib/libc/machine/microblaze/configure.in Normal file
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dnl This is the newlib/libc/machine/microblaze 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([strcmp.c])
dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake.
AC_CONFIG_AUX_DIR(../../../..)
NEWLIB_CONFIGURE(../../..)
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

80
newlib/libc/machine/microblaze/longjmp.S Normal file
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@ -0,0 +1,80 @@
/* Copyright (c) 2001, 2009 Xilinx, Inc. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of Xilinx nor the names of its contributors may be
used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* longjmp - non-local jump to a saved stack context
* args - r5 - jmp_buf
* r6 - val
*
* jmpbuf frame structure
* ---------------------
*
* +-------------+ + 0
* | r1 |
* +-------------+ + 4
* | r13 |
* | . |
* | . |
* | . |
* | r31 |
* +-------------+ + 80
* | . |
* | . |
*/
.globl longjmp
.section .text
.align 2
.ent longjmp
longjmp:
lwi r1, r5, 0
lwi r13, r5, 4
lwi r14, r5, 8
lwi r15, r5, 12
lwi r16, r5, 16
lwi r17, r5, 20
lwi r18, r5, 24
lwi r19, r5, 28
lwi r20, r5, 32
lwi r21, r5, 36
lwi r22, r5, 40
lwi r23, r5, 44
lwi r24, r5, 48
lwi r25, r5, 52
lwi r26, r5, 56
lwi r27, r5, 60
lwi r28, r5, 64
lwi r29, r5, 68
lwi r30, r5, 72
lwi r31, r5, 76
rtsd r15, 8
or r3, r0, r6
.end longjmp

79
newlib/libc/machine/microblaze/setjmp.S Normal file
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/* Copyright (c) 2001, 2009 Xilinx, Inc. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of Xilinx nor the names of its contributors may be
used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* setjmp - save stack context for non-local goto
* args - r5 - jmp_buf
*
* jmpbuf frame structure
* ---------------------
*
* +-------------+ + 0
* | r1 |
* +-------------+ + 4
* | r13 |
* | . |
* | . |
* | . |
* | r31 |
* +-------------+ + 80
* | . |
* | . |
*/
.globl setjmp
.section .text
.align 2
.ent setjmp
setjmp:
swi r1, r5, 0
swi r13, r5, 4
swi r14, r5, 8
swi r15, r5, 12
swi r16, r5, 16
swi r17, r5, 20
swi r18, r5, 24
swi r19, r5, 28
swi r20, r5, 32
swi r21, r5, 36
swi r22, r5, 40
swi r23, r5, 44
swi r24, r5, 48
swi r25, r5, 52
swi r26, r5, 56
swi r27, r5, 60
swi r28, r5, 64
swi r29, r5, 68
swi r30, r5, 72
swi r31, r5, 76
rtsd r15, 8
or r3, r0, r0
.end setjmp

195
newlib/libc/machine/microblaze/strcmp.c Normal file
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@ -0,0 +1,195 @@
/* Copyright (c) 2009 Xilinx, Inc. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of Xilinx nor the names of its contributors may be
used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
FUNCTION
<<strcmp>>---character string compare
INDEX
strcmp
ANSI_SYNOPSIS
#include <string.h>
int strcmp(const char *<[a]>, const char *<[b]>);
TRAD_SYNOPSIS
#include <string.h>
int strcmp(<[a]>, <[b]>)
char *<[a]>;
char *<[b]>;
DESCRIPTION
<<strcmp>> compares the string at <[a]> to
the string at <[b]>.
RETURNS
If <<*<[a]>>> sorts lexicographically after <<*<[b]>>>,
<<strcmp>> returns a number greater than zero. If the two
strings match, <<strcmp>> returns zero. If <<*<[a]>>>
sorts lexicographically before <<*<[b]>>>, <<strcmp>> returns a
number less than zero.
PORTABILITY
<<strcmp>> is ANSI C.
<<strcmp>> requires no supporting OS subroutines.
QUICKREF
strcmp ansi pure
*/
#include <string.h>
#include <limits.h>
/* Nonzero if either X or Y is not aligned on a "long" boundary. */
#define UNALIGNED(X, Y) \
(((long)X & (sizeof (long) - 1)) | ((long)Y & (sizeof (long) - 1)))
/* DETECTNULL returns nonzero if (long)X contains a NULL byte. */
#if LONG_MAX == 2147483647L
#define DETECTNULL(X) (((X) - 0x01010101) & ~(X) & 0x80808080)
#else
#if LONG_MAX == 9223372036854775807L
#define DETECTNULL(X) (((X) - 0x0101010101010101) & ~(X) & 0x8080808080808080)
#else
#error long int is not a 32bit or 64bit type.
#endif
#endif
#ifndef DETECTNULL
#error long int is not a 32bit or 64bit byte
#endif
int
_DEFUN (strcmp, (s1, s2),
_CONST char *s1 _AND
_CONST char *s2)
{
#ifndef HAVE_HW_PCMP
#if defined(PREFER_SIZE_OVER_SPEED) || defined(__OPTIMIZE_SIZE__)
while (*s1 != '\0' && *s1 == *s2)
{
s1++;
s2++;
}
return (*(unsigned char *) s1) - (*(unsigned char *) s2);
#else
unsigned long *a1;
unsigned long *a2;
/* If s1 or s2 are unaligned, then compare bytes. */
if (!UNALIGNED (s1, s2))
{
/* If s1 and s2 are word-aligned, compare them a word at a time. */
a1 = (unsigned long*)s1;
a2 = (unsigned long*)s2;
while (*a1 == *a2)
{
/* To get here, *a1 == *a2, thus if we find a null in *a1,
then the strings must be equal, so return zero. */
if (DETECTNULL (*a1))
return 0;
a1++;
a2++;
}
/* A difference was detected in last few bytes of s1, so search bytewise */
s1 = (char*)a1;
s2 = (char*)a2;
}
while (*s1 != '\0' && *s1 == *s2)
{
s1++;
s2++;
}
return (*(unsigned char *) s1) - (*(unsigned char *) s2);
#endif /* not PREFER_SIZE_OVER_SPEED */
#else
asm volatile (" \n\
or r9, r0, r0 /* Index register */ \n\
check_alignment: \n\
andi r3, r5, 3 \n\
andi r4, r6, 3 \n\
bnei r3, try_align_args \n\
bnei r4, regular_strcmp /* At this point we don't have a choice */ \n\
cmp_loop: \n\
lw r3, r5, r9 \n\
lw r4, r6, r9 \n\
pcmpbf r7, r3, r0 /* See if there is Null byte */ \n\
bnei r7, end_cmp_loop /* IF yes (r7 > 0) use byte compares in end_cmp_loop */ \n\
cmpu r7, r4, r3 /* ELSE compare whole word */ \n\
bnei r7, end_cmp \n\
brid cmp_loop \n\
addik r9, r9, 4 /* delay slot */ \n\
end_cmp_loop: \n\
lbu r3, r5, r9 /* byte compare loop */ \n\
lbu r4, r6, r9 \n\
cmpu r7, r4, r3 /* Compare bytes */ \n\
bnei r7, end_cmp_early \n\
bneid r3, end_cmp_loop /* If reached null on one string, terminate */ \n\
addik r9, r9, 1 /* delay slot */ \n\
end_cmp_early: \n\
rtsd r15, 8 \n\
or r3, r0, r7 \n\
try_align_args: \n\
xor r7, r4, r3 \n\
bnei r7, regular_strcmp /* cannot align args */ \n\
rsubik r10, r3, 4 /* Number of initial bytes to align */ \n\
align_loop: \n\
lbu r3, r5, r9 \n\
lbu r4, r6, r9 \n\
cmpu r7, r4, r3 \n\
bnei r7, end_cmp \n\
beqi r3, end_cmp \n\
addik r10, r10, -1 \n\
beqid r10, cmp_loop \n\
addik r9, r9, 1 \n\
bri align_loop \n\
regular_strcmp: \n\
lbu r3, r5, r9 \n\
lbu r4, r6, r9 \n\
cmpu r7, r4, r3 \n\
bnei r7, end_cmp \n\
beqi r3, end_cmp \n\
brid regular_strcmp \n\
addik r9, r9, 1 \n\
end_cmp: \n\
rtsd r15, 8 \n\
or r3, r0, r7 /* Return strcmp result */");
#endif /* ! HAVE_HW_PCMP */
}

183
newlib/libc/machine/microblaze/strcpy.c Normal file
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@ -0,0 +1,183 @@
/* Copyright (c) 2009 Xilinx, Inc. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of Xilinx nor the names of its contributors may be
used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
FUNCTION
<<strcpy>>---copy string
INDEX
strcpy
ANSI_SYNOPSIS
#include <string.h>
char *strcpy(char *<[dst]>, const char *<[src]>);
TRAD_SYNOPSIS
#include <string.h>
char *strcpy(<[dst]>, <[src]>)
char *<[dst]>;
char *<[src]>;
DESCRIPTION
<<strcpy>> copies the string pointed to by <[src]>
(including the terminating null character) to the array
pointed to by <[dst]>.
RETURNS
This function returns the initial value of <[dst]>.
PORTABILITY
<<strcpy>> is ANSI C.
<<strcpy>> requires no supporting OS subroutines.
QUICKREF
strcpy ansi pure
*/
#include <string.h>
#include <limits.h>
/*SUPPRESS 560*/
/*SUPPRESS 530*/
/* Nonzero if either X or Y is not aligned on a "long" boundary. */
#define UNALIGNED(X, Y) \
(((long)X & (sizeof (long) - 1)) | ((long)Y & (sizeof (long) - 1)))
#if LONG_MAX == 2147483647L
#define DETECTNULL(X) (((X) - 0x01010101) & ~(X) & 0x80808080)
#else
#if LONG_MAX == 9223372036854775807L
/* Nonzero if X (a long int) contains a NULL byte. */
#define DETECTNULL(X) (((X) - 0x0101010101010101) & ~(X) & 0x8080808080808080)
#else
#error long int is not a 32bit or 64bit type.
#endif
#endif
#ifndef DETECTNULL
#error long int is not a 32bit or 64bit byte
#endif
char*
_DEFUN (strcpy, (dst0, src0),
char *dst0 _AND
_CONST char *src0)
{
#ifndef HAVE_HW_PCMP
#if defined(PREFER_SIZE_OVER_SPEED) || defined(__OPTIMIZE_SIZE__)
char *s = dst0;
while (*dst0++ = *src0++)
;
return s;
#else
char *dst = dst0;
_CONST char *src = src0;
long *aligned_dst;
_CONST long *aligned_src;
/* If SRC or DEST is unaligned, then copy bytes. */
if (!UNALIGNED (src, dst))
{
aligned_dst = (long*)dst;
aligned_src = (long*)src;
/* SRC and DEST are both "long int" aligned, try to do "long int"
sized copies. */
while (!DETECTNULL(*aligned_src))
{
*aligned_dst++ = *aligned_src++;
}
dst = (char*)aligned_dst;
src = (char*)aligned_src;
}
while (*dst++ = *src++)
;
return dst0;
#endif /* not PREFER_SIZE_OVER_SPEED */
#else
asm volatile (" \
or r9, r0, r0 /* Index register */ \n\
check_alignment: \n\
andi r3, r5, 3 \n\
andi r4, r6, 3 \n\
bnei r3, try_align_args \n\
bnei r4, regular_strcpy /* At this point we dont have a choice */ \n\
cpy_loop: \n\
lw r3, r6, r9 \n\
pcmpbf r4, r0, r3 \n\
bnei r4, cpy_bytes /* If r4 != 0, then null present within string */\n\
sw r3, r5, r9 \n\
brid cpy_loop \n\
addik r9, r9, 4 \n\
cpy_bytes: \n\
lbu r3, r6, r9 \n\
sb r3, r5, r9 \n\
addik r4, r4, -1 \n\
bneid r4, cpy_bytes \n\
addik r9, r9, 1 /* delay slot */\n\
cpy_null: \n\
rtsd r15, 8 \n\
or r3, r0, r5 /* Return strcpy result */\n\
try_align_args: \n\
xor r7, r4, r3 \n\
bnei r7, regular_strcpy /* cannot align args */\n\
rsubik r10, r3, 4 /* Number of initial bytes to align */\n\
align_loop: \n\
lbu r3, r6, r9 \n\
sb r3, r5, r9 \n\
beqid r3, end_cpy /* Break if we have seen null character */\n\
addik r10, r10, -1 \n\
bneid r10, align_loop \n\
addik r9, r9, 1 \n\
bri cpy_loop \n\
regular_strcpy: \n\
lbu r3, r6, r9 \n\
sb r3, r5, r9 \n\
bneid r3, regular_strcpy \n\
addik r9, r9, 1 \n\
end_cpy: \n\
rtsd r15, 8 \n\
or r3, r0, r5 /* Return strcpy result */");
#endif /* ! HAVE_HW_PCMP */
}

153
newlib/libc/machine/microblaze/strlen.c Normal file
View File

@ -0,0 +1,153 @@
/* Copyright (c) 2009 Xilinx, Inc. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of Xilinx nor the names of its contributors may be
used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
FUNCTION
<<strlen>>---character string length
INDEX
strlen
ANSI_SYNOPSIS
#include <string.h>
size_t strlen(const char *<[str]>);
TRAD_SYNOPSIS
#include <string.h>
size_t strlen(<[str]>)
char *<[src]>;
DESCRIPTION
The <<strlen>> function works out the length of the string
starting at <<*<[str]>>> by counting chararacters until it
reaches a <<NULL>> character.
RETURNS
<<strlen>> returns the character count.
PORTABILITY
<<strlen>> is ANSI C.
<<strlen>> requires no supporting OS subroutines.
QUICKREF
strlen ansi pure
*/
#include <_ansi.h>
#include <string.h>
#include <limits.h>
#define LBLOCKSIZE (sizeof (long))
#define UNALIGNED(X) ((long)X & (LBLOCKSIZE - 1))
#if LONG_MAX == 2147483647L
#define DETECTNULL(X) (((X) - 0x01010101) & ~(X) & 0x80808080)
#else
#if LONG_MAX == 9223372036854775807L
/* Nonzero if X (a long int) contains a NULL byte. */
#define DETECTNULL(X) (((X) - 0x0101010101010101) & ~(X) & 0x8080808080808080)
#else
#error long int is not a 32bit or 64bit type.
#endif
#endif
#ifndef DETECTNULL
#error long int is not a 32bit or 64bit byte
#endif
size_t
_DEFUN (strlen, (str),
_CONST char *str)
{
#ifndef HAVE_HW_PCMP
#if defined(PREFER_SIZE_OVER_SPEED) || defined(__OPTIMIZE_SIZE__)
_CONST char *start = str;
while (*str)
str++;
return str - start;
#else
_CONST char *start = str;
unsigned long *aligned_addr;
if (!UNALIGNED (str))
{
/* If the string is word-aligned, we can check for the presence of
a null in each word-sized block. */
aligned_addr = (unsigned long*)str;
while (!DETECTNULL (*aligned_addr))
aligned_addr++;
/* Once a null is detected, we check each byte in that block for a
precise position of the null. */
str = (char*)aligned_addr;
}
while (*str)
str++;
return str - start;
#endif /* not PREFER_SIZE_OVER_SPEED */
#else
asm volatile (" \n\
or r9, r0, r0 /* Index register */ \n\
check_alignment: \n\
andi r3, r5, 3 \n\
bnei r3, align_arg \n\
len_loop: \n\
lw r3, r5, r9 \n\
pcmpbf r4, r3, r0 \n\
bnei r4, end_len \n\
brid len_loop \n\
addik r9, r9, 4 \n\
end_len: \n\
lbu r3, r5, r9 \n\
beqi r3, done_len \n\
brid end_len \n\
addik r9, r9, 1 \n\
done_len: \n\
rtsd r15, 8 \n\
or r3, r0, r9 /* Return len */ \n\
align_arg: \n\
rsubik r10, r3, 4 \n\
align_loop: \n\
lbu r3, r5, r9 \n\
beqid r3, done_len \n\
addik r10, r10, -1 \n\
bneid r10, align_loop \n\
addik r9, r9, 1 \n\
bri len_loop");
#endif /* ! HAVE_HW_PCMP */
}

2
newlib/libc/stdlib/mallocr.c
View File

@ -2323,7 +2323,7 @@ Void_t* mALLOc(RARG bytes) RDECL size_t bytes;
{
#ifdef MALLOC_PROVIDED
malloc (bytes);
return malloc (bytes); // Make sure that the pointer returned by malloc is returned back.
#else