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authorWaldemar Brodkorb <wbx@openadk.org>2015-10-08 18:28:39 (GMT)
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2015-10-09 03:34:32 (GMT)
commit4d8e5484afb4978f672a8568ddd12e628fb02724 (patch)
tree58be2b52d5afb90974cee8303c6966fb0298f7a0 /libc/sysdeps/linux/or1k
parente78a0f58f23347c822c182d1c01f6eb9b9866d60 (diff)
add new architecture support for or1k
Information about Openrisc: http://opencores.org/or1k/Main_Page Integrated from: https://github.com/openrisc/uClibc-or1k
Diffstat (limited to 'libc/sysdeps/linux/or1k')
-rw-r--r--libc/sysdeps/linux/or1k/Makefile13
-rw-r--r--libc/sysdeps/linux/or1k/Makefile.arch9
-rw-r--r--libc/sysdeps/linux/or1k/__init_brk.c28
-rw-r--r--libc/sysdeps/linux/or1k/__longjmp.S81
-rw-r--r--libc/sysdeps/linux/or1k/__syscall_error.c30
-rw-r--r--libc/sysdeps/linux/or1k/bits/endian.h25
-rw-r--r--libc/sysdeps/linux/or1k/bits/fcntl.h236
-rw-r--r--libc/sysdeps/linux/or1k/bits/kernel_stat.h59
-rw-r--r--libc/sysdeps/linux/or1k/bits/kernel_types.h1
-rw-r--r--libc/sysdeps/linux/or1k/bits/machine-gmon.h31
-rw-r--r--libc/sysdeps/linux/or1k/bits/setjmp.h32
-rw-r--r--libc/sysdeps/linux/or1k/bits/sigcontextinfo.h24
-rw-r--r--libc/sysdeps/linux/or1k/bits/stackinfo.h28
-rw-r--r--libc/sysdeps/linux/or1k/bits/syscalls.h101
-rw-r--r--libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h44
-rw-r--r--libc/sysdeps/linux/or1k/bits/uClibc_page.h35
-rw-r--r--libc/sysdeps/linux/or1k/bits/wordsize.h19
-rw-r--r--libc/sysdeps/linux/or1k/brk.c23
-rw-r--r--libc/sysdeps/linux/or1k/clone.c88
-rw-r--r--libc/sysdeps/linux/or1k/crt1.S144
-rw-r--r--libc/sysdeps/linux/or1k/crti.S11
-rw-r--r--libc/sysdeps/linux/or1k/crtn.S9
-rw-r--r--libc/sysdeps/linux/or1k/jmpbuf-offsets.h8
-rw-r--r--libc/sysdeps/linux/or1k/jmpbuf-unwind.h24
-rw-r--r--libc/sysdeps/linux/or1k/sbrk.c27
-rw-r--r--libc/sysdeps/linux/or1k/setjmp.S96
-rw-r--r--libc/sysdeps/linux/or1k/spr_defs.h429
-rw-r--r--libc/sysdeps/linux/or1k/sys/procfs.h116
-rw-r--r--libc/sysdeps/linux/or1k/sys/ucontext.h26
29 files changed, 1797 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/or1k/Makefile b/libc/sysdeps/linux/or1k/Makefile
new file mode 100644
index 0000000..633c91f
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/Makefile
@@ -0,0 +1,13 @@
+# Makefile for uClibc
+#
+# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+top_srcdir=../../../../
+top_builddir=../../../../
+all: objs
+include $(top_builddir)Rules.mak
+include Makefile.arch
+include $(top_srcdir)Makerules
diff --git a/libc/sysdeps/linux/or1k/Makefile.arch b/libc/sysdeps/linux/or1k/Makefile.arch
new file mode 100644
index 0000000..53d4ed5
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/Makefile.arch
@@ -0,0 +1,9 @@
+# Makefile for uClibc
+#
+# Copyright (C) 2010 Jonas Bonn <jonas@southpole.se>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+CSRC-y := __syscall_error.c __init_brk.c brk.c sbrk.c clone.c
+SSRC-y := __longjmp.S setjmp.S
diff --git a/libc/sysdeps/linux/or1k/__init_brk.c b/libc/sysdeps/linux/or1k/__init_brk.c
new file mode 100644
index 0000000..4c6763f
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/__init_brk.c
@@ -0,0 +1,28 @@
+/* From libc-5.3.12 */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+
+void * ___brk_addr = 0;
+
+int __init_brk (void);
+void *_brk(void *ptr);
+
+#define __NR__brk __NR_brk
+_syscall1(void *, _brk, void *, ptr);
+
+int
+__init_brk (void)
+{
+ if (___brk_addr == 0)
+ {
+ ___brk_addr = _brk(0);
+ if (___brk_addr == 0)
+ {
+ __set_errno(ENOMEM);
+ return -1;
+ }
+ }
+ return 0;
+}
diff --git a/libc/sysdeps/linux/or1k/__longjmp.S b/libc/sysdeps/linux/or1k/__longjmp.S
new file mode 100644
index 0000000..1eb5bb4
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/__longjmp.S
@@ -0,0 +1,81 @@
+/* longjmp for or1k
+
+ Based on:
+ longjmp for PowerPC.
+ Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <jmpbuf-offsets.h>
+
+#ifdef __UCLIBC_HAS_FLOATS__
+#define FP(x...) x
+#else
+#define FP(x...)
+#endif
+
+.globl __longjmp;
+.type __longjmp,@function;
+.align 2;
+
+__longjmp:
+# l.lwz r11,(JB_SR*4)(r3)
+# l.mtspr r0,r11,SPR_SR
+ l.lwz r1,((JB_GPRS+0)*4)(r3)
+ l.lwz r2,((JB_GPRS+1)*4)(r3)
+ /* pass through "value" to r11, then restore r4, for what it's worth" */
+#if 1
+ /* if r4 is 0, something wrong, so set it to 1 */
+ l.sfeqi r4, 0x0
+ l.bnf 1f /* r4 != 0, longjmp value sensible */
+ l.nop
+ l.ori r4, r0, 0x1 /* make nonzero */
+1:
+#endif
+ l.addi r11, r4, 0
+ l.lwz r4,((JB_GPRS+3)*4)(r3)
+ l.lwz r5,((JB_GPRS+4)*4)(r3)
+ l.lwz r6,((JB_GPRS+5)*4)(r3)
+ l.lwz r7,((JB_GPRS+6)*4)(r3)
+ l.lwz r8,((JB_GPRS+7)*4)(r3)
+ l.lwz r9,((JB_GPRS+8)*4)(r3)
+ l.lwz r10,((JB_GPRS+9)*4)(r3)
+ l.lwz r12,((JB_GPRS+11)*4)(r3)
+ l.lwz r13,((JB_GPRS+12)*4)(r3)
+ l.lwz r14,((JB_GPRS+13)*4)(r3)
+ l.lwz r15,((JB_GPRS+14)*4)(r3)
+ l.lwz r16,((JB_GPRS+15)*4)(r3)
+ l.lwz r17,((JB_GPRS+16)*4)(r3)
+ l.lwz r18,((JB_GPRS+17)*4)(r3)
+ l.lwz r19,((JB_GPRS+18)*4)(r3)
+ l.lwz r20,((JB_GPRS+19)*4)(r3)
+ l.lwz r21,((JB_GPRS+20)*4)(r3)
+ l.lwz r22,((JB_GPRS+21)*4)(r3)
+ l.lwz r23,((JB_GPRS+22)*4)(r3)
+ l.lwz r24,((JB_GPRS+23)*4)(r3)
+ l.lwz r25,((JB_GPRS+24)*4)(r3)
+ l.lwz r26,((JB_GPRS+25)*4)(r3)
+ l.lwz r27,((JB_GPRS+26)*4)(r3)
+ l.lwz r28,((JB_GPRS+27)*4)(r3)
+ l.lwz r29,((JB_GPRS+28)*4)(r3)
+ l.lwz r30,((JB_GPRS+29)*4)(r3)
+ l.lwz r31,((JB_GPRS+30)*4)(r3)
+ l.jr r9
+ l.nop
+.size __longjmp,.-__longjmp
+
+libc_hidden_def(__longjmp)
diff --git a/libc/sysdeps/linux/or1k/__syscall_error.c b/libc/sysdeps/linux/or1k/__syscall_error.c
new file mode 100644
index 0000000..ef83078
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/__syscall_error.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+
+int __syscall_error (int err_no);
+
+/* This routine is jumped to by all the syscall handlers, to stash
+ * an error number into errno. */
+int __syscall_error (int err_no)
+{
+ __set_errno (err_no);
+ return -1;
+}
+
diff --git a/libc/sysdeps/linux/or1k/bits/endian.h b/libc/sysdeps/linux/or1k/bits/endian.h
new file mode 100644
index 0000000..799e27a
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/endian.h
@@ -0,0 +1,25 @@
+/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* or1k can be little or big endian. Hopefully gcc will know... */
+
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+#define __BYTE_ORDER __BIG_ENDIAN
diff --git a/libc/sysdeps/linux/or1k/bits/fcntl.h b/libc/sysdeps/linux/or1k/bits/fcntl.h
new file mode 100644
index 0000000..b081300
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/fcntl.h
@@ -0,0 +1,236 @@
+/* O_*, F_*, FD_* bit values for Linux.
+ Copyright (C) 1995-1998, 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _FCNTL_H
+# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+
+#include <sys/types.h>
+#ifdef __USE_GNU
+# include <bits/uio.h>
+#endif
+
+/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
+ located on an ext2 file system */
+#define O_ACCMODE 0003
+#define O_RDONLY 00
+#define O_WRONLY 01
+#define O_RDWR 02
+#define O_CREAT 0100 /* not fcntl */
+#define O_EXCL 0200 /* not fcntl */
+#define O_NOCTTY 0400 /* not fcntl */
+#define O_TRUNC 01000 /* not fcntl */
+#define O_APPEND 02000
+#define O_NONBLOCK 04000
+#define O_NDELAY O_NONBLOCK
+#define O_SYNC 010000
+#define O_FSYNC O_SYNC
+#define O_ASYNC 020000
+
+#ifdef __USE_GNU
+# define O_DIRECT 040000 /* Direct disk access. */
+# define O_DIRECTORY 0200000 /* Must be a directory. */
+# define O_NOFOLLOW 0400000 /* Do not follow links. */
+# define O_NOATIME 01000000 /* Do not set atime. */
+# define O_CLOEXEC 02000000 /* Set close_on_exec. */
+#endif
+
+#ifdef __USE_LARGEFILE64
+# define O_LARGEFILE 0100000
+#endif
+
+/* For now Linux has synchronisity options for data and read operations.
+ We define the symbols here but let them do the same as O_SYNC since
+ this is a superset. */
+#if defined __USE_POSIX199309 || defined __USE_UNIX98
+# define O_DSYNC O_SYNC /* Synchronize data. */
+# define O_RSYNC O_SYNC /* Synchronize read operations. */
+#endif
+
+/* Values for the second argument to `fcntl'. */
+#define F_DUPFD 0 /* Duplicate file descriptor. */
+#define F_GETFD 1 /* Get file descriptor flags. */
+#define F_SETFD 2 /* Set file descriptor flags. */
+#define F_GETFL 3 /* Get file status flags. */
+#define F_SETFL 4 /* Set file status flags. */
+
+#ifndef __USE_FILE_OFFSET64
+# define F_GETLK 5 /* Get record locking info. */
+# define F_SETLK 6 /* Set record locking info (non-blocking). */
+# define F_SETLKW 7 /* Set record locking info (blocking). */
+#else
+# define F_GETLK F_GETLK64 /* Get record locking info. */
+# define F_SETLK F_SETLK64 /* Set record locking info (non-blocking).*/
+# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */
+#endif
+
+#define F_GETLK64 12 /* Get record locking info. */
+#define F_SETLK64 13 /* Set record locking info (non-blocking). */
+#define F_SETLKW64 14 /* Set record locking info (blocking). */
+
+#if defined __USE_BSD || defined __USE_XOPEN2K
+# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */
+# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */
+#endif
+
+#ifdef __USE_GNU
+# define F_SETSIG 10 /* Set number of signal to be sent. */
+# define F_GETSIG 11 /* Get number of signal to be sent. */
+#endif
+
+#ifdef __USE_GNU
+# define F_SETLEASE 1024 /* Set a lease. */
+# define F_GETLEASE 1025 /* Enquire what lease is active. */
+# define F_NOTIFY 1026 /* Request notfications on a directory. */
+#endif
+
+/* For F_[GET|SET]FL. */
+#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
+
+/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
+#define F_RDLCK 0 /* Read lock. */
+#define F_WRLCK 1 /* Write lock. */
+#define F_UNLCK 2 /* Remove lock. */
+
+/* for old implementation of bsd flock () */
+#define F_EXLCK 4 /* or 3 */
+#define F_SHLCK 8 /* or 4 */
+
+#ifdef __USE_BSD
+/* Operations for bsd flock(), also used by the kernel implementation */
+# define LOCK_SH 1 /* shared lock */
+# define LOCK_EX 2 /* exclusive lock */
+# define LOCK_NB 4 /* or'd with one of the above to prevent
+ blocking */
+# define LOCK_UN 8 /* remove lock */
+#endif
+
+#ifdef __USE_GNU
+# define LOCK_MAND 32 /* This is a mandatory flock: */
+# define LOCK_READ 64 /* ... which allows concurrent read operations. */
+# define LOCK_WRITE 128 /* ... which allows concurrent write operations. */
+# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */
+#endif
+
+#ifdef __USE_GNU
+/* Types of directory notifications that may be requested with F_NOTIFY. */
+# define DN_ACCESS 0x00000001 /* File accessed. */
+# define DN_MODIFY 0x00000002 /* File modified. */
+# define DN_CREATE 0x00000004 /* File created. */
+# define DN_DELETE 0x00000008 /* File removed. */
+# define DN_RENAME 0x00000010 /* File renamed. */
+# define DN_ATTRIB 0x00000020 /* File changed attibutes. */
+# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */
+#endif
+
+struct flock
+ {
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
+#ifndef __USE_FILE_OFFSET64
+ __off_t l_start; /* Offset where the lock begins. */
+ __off_t l_len; /* Size of the locked area; zero means until EOF. */
+#else
+ __off64_t l_start; /* Offset where the lock begins. */
+ __off64_t l_len; /* Size of the locked area; zero means until EOF. */
+#endif
+ __pid_t l_pid; /* Process holding the lock. */
+ };
+
+#ifdef __USE_LARGEFILE64
+struct flock64
+ {
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
+ __off64_t l_start; /* Offset where the lock begins. */
+ __off64_t l_len; /* Size of the locked area; zero means until EOF. */
+ __pid_t l_pid; /* Process holding the lock. */
+ };
+#endif
+
+/* Define some more compatibility macros to be backward compatible with
+ BSD systems which did not managed to hide these kernel macros. */
+#ifdef __USE_BSD
+# define FAPPEND O_APPEND
+# define FFSYNC O_FSYNC
+# define FASYNC O_ASYNC
+# define FNONBLOCK O_NONBLOCK
+# define FNDELAY O_NDELAY
+#endif /* Use BSD. */
+
+/* Advise to `posix_fadvise'. */
+#ifdef __USE_XOPEN2K
+# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
+# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
+# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
+# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
+# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
+# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
+#endif
+
+#if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__
+/* Flags for SYNC_FILE_RANGE. */
+# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages
+ in the range before performing the
+ write. */
+# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those
+ dirty pages in the range which are
+ not presently under writeback. */
+# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
+ the range after performing the
+ write. */
+
+/* Flags for SPLICE and VMSPLICE. */
+# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */
+# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing
+ (but we may still block on the fd
+ we splice from/to). */
+# define SPLICE_F_MORE 4 /* Expect more data. */
+# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
+#endif
+
+__BEGIN_DECLS
+
+#if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__
+
+/* Provide kernel hint to read ahead. */
+extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
+ __THROW;
+
+
+/* Selective file content synch'ing. */
+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
+ unsigned int __flags);
+
+/* Splice address range into a pipe. */
+extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
+ size_t __count, unsigned int __flags);
+
+/* Splice two files together. */
+extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
+ __off64_t *__offout, size_t __len,
+ unsigned int __flags);
+
+/* In-kernel implementation of tee for pipe buffers. */
+extern ssize_t tee (int __fdin, int __fdout, size_t __len,
+ unsigned int __flags);
+
+#endif
+__END_DECLS
diff --git a/libc/sysdeps/linux/or1k/bits/kernel_stat.h b/libc/sysdeps/linux/or1k/bits/kernel_stat.h
new file mode 100644
index 0000000..9c8abf6
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/kernel_stat.h
@@ -0,0 +1,59 @@
+/* taken from linux/include/asm-or1k/stat.h */
+
+#ifndef _BITS_STAT_STRUCT_H
+#define _BITS_STAT_STRUCT_H
+
+#ifndef _LIBC
+#error bits/kernel_stat.h is for internal uClibc use only!
+#endif
+
+struct kernel_stat {
+ unsigned long st_dev; /* Device. */
+ unsigned long st_ino; /* File serial number. */
+ unsigned int st_mode; /* File mode. */
+ unsigned int st_nlink; /* Link count. */
+ unsigned int st_uid; /* User ID of the file's owner. */
+ unsigned int st_gid; /* Group ID of the file's group. */
+ unsigned long st_rdev; /* Device number, if device. */
+ unsigned long __pad1;
+ long st_size; /* Size of file, in bytes. */
+ int st_blksize; /* Optimal block size for I/O. */
+ int __pad2;
+ long st_blocks; /* Number 512-byte blocks allocated. */
+ struct timespec st_atim;
+ struct timespec st_mtim;
+ struct timespec st_ctim;
+ /*
+ unsigned long st_atime;
+ unsigned long __unused1;
+ unsigned long st_mtime;
+ unsigned long __unused2;
+ unsigned long st_ctime;
+ unsigned long __unused3;
+ */
+ unsigned int __unused4;
+ unsigned int __unused5;
+};
+
+/* This matches struct stat64 in glibc2.1.
+ */
+struct kernel_stat64 {
+ unsigned long long st_dev; /* Device. */
+ unsigned long long st_ino; /* File serial number. */
+ unsigned int st_mode; /* File mode. */
+ unsigned int st_nlink; /* Link count. */
+ unsigned int st_uid; /* User ID of the file's owner. */
+ unsigned int st_gid; /* Group ID of the file's group. */
+ unsigned long long st_rdev; /* Device number, if device. */
+ unsigned long long __pad1;
+ long long st_size; /* Size of file, in bytes. */
+ int st_blksize; /* Optimal block size for I/O. */
+ int __pad2;
+ long long st_blocks; /* Number 512-byte blocks allocated. */
+ struct timespec st_atim;
+ struct timespec st_mtim;
+ struct timespec st_ctim;
+ unsigned int __unused4;
+ unsigned int __unused5;
+};
+#endif
diff --git a/libc/sysdeps/linux/or1k/bits/kernel_types.h b/libc/sysdeps/linux/or1k/bits/kernel_types.h
new file mode 100644
index 0000000..4c5fe3e
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/kernel_types.h
@@ -0,0 +1 @@
+#include <asm/posix_types.h>
diff --git a/libc/sysdeps/linux/or1k/bits/machine-gmon.h b/libc/sysdeps/linux/or1k/bits/machine-gmon.h
new file mode 100644
index 0000000..15a1773
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/machine-gmon.h
@@ -0,0 +1,31 @@
+/* or1k-specific implementation of profiling support.
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* We need a special version of the `mcount' function because it has
+ to preserve more registers than your usual function. */
+
+void __mcount_internal (unsigned long frompc, unsigned long selfpc);
+
+#define _MCOUNT_DECL(frompc, selfpc) \
+void __mcount_internal (unsigned long frompc, unsigned long selfpc)
+
+
+/* Define MCOUNT as empty since we have the implementation in another
+ file. */
+#define MCOUNT
diff --git a/libc/sysdeps/linux/or1k/bits/setjmp.h b/libc/sysdeps/linux/or1k/bits/setjmp.h
new file mode 100644
index 0000000..ad93b19
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/setjmp.h
@@ -0,0 +1,32 @@
+/* Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* Define the machine-dependent type `jmp_buf'. or1k version. */
+
+#ifndef _BITS_SETJMP_H
+#define _BITS_SETJMP_H 1
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#ifndef _ASM
+typedef long int __jmp_buf[32];
+#endif
+
+#endif
diff --git a/libc/sysdeps/linux/or1k/bits/sigcontextinfo.h b/libc/sysdeps/linux/or1k/bits/sigcontextinfo.h
new file mode 100644
index 0000000..369738a
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/sigcontextinfo.h
@@ -0,0 +1,24 @@
+/* Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <signal.h>
+
+#define SIGCONTEXT struct sigcontext *
+#define SIGCONTEXT_EXTRA_ARGS
+#define CALL_SIGHANDLER(handler, signo, ctx) \
+ (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))
diff --git a/libc/sysdeps/linux/or1k/bits/stackinfo.h b/libc/sysdeps/linux/or1k/bits/stackinfo.h
new file mode 100644
index 0000000..12d46a0
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/stackinfo.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* This file contains a bit of information about the stack allocation
+ of the processor. */
+
+#ifndef _STACKINFO_H
+#define _STACKINFO_H 1
+
+/* On or1k the stack grows down. */
+#define _STACK_GROWS_DOWN 1
+
+#endif /* stackinfo.h */
diff --git a/libc/sysdeps/linux/or1k/bits/syscalls.h b/libc/sysdeps/linux/or1k/bits/syscalls.h
new file mode 100644
index 0000000..6a08d3c
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/syscalls.h
@@ -0,0 +1,101 @@
+/*
+ * Based on arm/bits/syscalls.h
+ */
+
+#ifndef _BITS_SYSCALLS_H
+#define _BITS_SYSCALLS_H
+#ifndef _SYSCALL_H
+# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
+#endif
+
+/*
+ Some of the sneaky macros in the code were taken from
+ glibc-2.3.2/sysdeps/unix/sysv/linux/arm/sysdep.h
+*/
+
+#ifdef __ASSEMBLER__
+
+/* TODO: recheck this */
+
+/* Call a given syscall, with arguments loaded. Unlike the DO_CALL
+ macro in glibc, this macro does not load syscall arguments. */
+#undef DO_CALL
+#define DO_CALL(syscall_name) \
+ l.lwz r11, =SYS_ify (syscall_name); \
+ l.sys 1 \
+ l.nop
+
+#else
+
+#include <errno.h>
+
+#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \
+ ({ unsigned long __sys_result; \
+ { \
+ register long __sc_ret __asm__ ("r11") = name; \
+ LOAD_ARGS_##nr (args) \
+ __asm__ __volatile__ ("l.sys 1" \
+ : "=r" (__sc_ret) ASM_ARGS_OUT_##nr \
+ : "0" (__sc_ret) ASM_ARGS_IN_##nr \
+ : ASM_CLOBBERS_##nr \
+ "r12", "r13", "r15", "r17", "r19", \
+ "r21", "r23", "r25", "r27", "r29", \
+ "r31"); \
+ __asm__ __volatile__ ("l.nop"); \
+ __sys_result = __sc_ret; \
+ } \
+ (long) __sys_result; })
+
+/* : "0", "1", "2", "3", "4", "5", "6", \ */
+/* : ASM_CLOBBERS_##nr, \ */
+
+#define LOAD_ARGS_0()
+
+#define ASM_ARGS_OUT_0
+#define ASM_ARGS_IN_0
+#define ASM_CLOBBERS_0 "r3", ASM_CLOBBERS_1
+
+#define LOAD_ARGS_1(a) \
+ LOAD_ARGS_0 () \
+ register long __a __asm__ ("r3") = (long)(a);
+#define ASM_ARGS_OUT_1 ASM_ARGS_OUT_0, "=r" (__a)
+#define ASM_ARGS_IN_1 ASM_ARGS_IN_0, "1" (__a)
+#define ASM_CLOBBERS_1 "r4", ASM_CLOBBERS_2
+
+#define LOAD_ARGS_2(a, b) \
+ LOAD_ARGS_1 (a) \
+ register long __b __asm__ ("r4") = (long)(b);
+#define ASM_ARGS_OUT_2 ASM_ARGS_OUT_1, "=r" (__b)
+#define ASM_ARGS_IN_2 ASM_ARGS_IN_1, "2" (__b)
+#define ASM_CLOBBERS_2 "r5", ASM_CLOBBERS_3
+
+#define LOAD_ARGS_3(a, b, c) \
+ LOAD_ARGS_2 (a, b) \
+ register long __c __asm__ ("r5") = (long)(c);
+#define ASM_ARGS_OUT_3 ASM_ARGS_OUT_2, "=r" (__c)
+#define ASM_ARGS_IN_3 ASM_ARGS_IN_2, "3" (__c)
+#define ASM_CLOBBERS_3 "r6", ASM_CLOBBERS_4
+
+#define LOAD_ARGS_4(a, b, c, d) \
+ LOAD_ARGS_3 (a, b, c) \
+ register long __d __asm__ ("r6") = (long)(d);
+#define ASM_ARGS_OUT_4 ASM_ARGS_OUT_3, "=r" (__d)
+#define ASM_ARGS_IN_4 ASM_ARGS_IN_3, "4" (__d)
+#define ASM_CLOBBERS_4 "r7", ASM_CLOBBERS_5
+
+#define LOAD_ARGS_5(a, b, c, d, e) \
+ LOAD_ARGS_4 (a, b, c, d) \
+ register long __e __asm__ ("r7") = (long)(e);
+#define ASM_ARGS_OUT_5 ASM_ARGS_OUT_4, "=r" (__e)
+#define ASM_ARGS_IN_5 ASM_ARGS_IN_4, "5" (__e)
+#define ASM_CLOBBERS_5 "r8", ASM_CLOBBERS_6
+
+#define LOAD_ARGS_6(a, b, c, d, e, f) \
+ LOAD_ARGS_5 (a, b, c, d, e) \
+ register long __f __asm__ ("r8") = (long)(f);
+#define ASM_ARGS_OUT_6 ASM_ARGS_OUT_5, "=r" (__f)
+#define ASM_ARGS_IN_6 ASM_ARGS_IN_5, "6" (__f)
+#define ASM_CLOBBERS_6
+
+#endif /* __ASSEMBLER__ */
+#endif /* _BITS_SYSCALLS_H */
diff --git a/libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h b/libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h
new file mode 100644
index 0000000..30ae443
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h
@@ -0,0 +1,44 @@
+/*
+ * Track misc arch-specific features that aren't config options
+ */
+
+#ifndef _BITS_UCLIBC_ARCH_FEATURES_H
+#define _BITS_UCLIBC_ARCH_FEATURES_H
+
+#undef _ERRNO_H
+#undef EDEADLOCK /*Use Linux*/
+
+/* instruction used when calling abort() to kill yourself */
+#define __UCLIBC_ABORT_INSTRUCTION__ ".long 0xbfffffff"
+
+/* can your target use syscall6() for mmap ? */
+#define __UCLIBC_MMAP_HAS_6_ARGS__
+
+/* does your target use syscall4() for truncate64 ? (32bit arches only) */
+#undef __UCLIBC_TRUNCATE64_HAS_4_ARGS__
+
+/* does your target have a broken create_module() ? */
+#undef __UCLIBC_BROKEN_CREATE_MODULE__
+
+/* does your target have to worry about older [gs]etrlimit() ? */
+#undef __UCLIBC_HANDLE_OLDER_RLIMIT__
+
+/* does your target have an asm .set ? */
+#define __UCLIBC_HAVE_ASM_SET_DIRECTIVE__
+
+/* define if target doesn't like .global */
+#undef __UCLIBC_ASM_GLOBAL_DIRECTIVE__
+
+/* define if target supports .weak */
+#define __UCLIBC_HAVE_ASM_WEAK_DIRECTIVE__
+
+/* define if target supports .weakext */
+#undef __UCLIBC_HAVE_ASM_WEAKEXT_DIRECTIVE__
+
+/* needed probably only for ppc64 */
+#undef __UCLIBC_HAVE_ASM_GLOBAL_DOT_NAME__
+
+/* define if target supports IEEE signed zero floats */
+#define __UCLIBC_HAVE_SIGNED_ZERO__
+
+#endif /* _BITS_UCLIBC_ARCH_FEATURES_H */
diff --git a/libc/sysdeps/linux/or1k/bits/uClibc_page.h b/libc/sysdeps/linux/or1k/bits/uClibc_page.h
new file mode 100644
index 0000000..80c3bd9
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/uClibc_page.h
@@ -0,0 +1,35 @@
+/* Copyright (C) 2004 Erik Andersen
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * The GNU C Library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the GNU C Library; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 USA.
+ */
+
+/* Supply an architecture specific value for PAGE_SIZE and friends. */
+
+#ifndef _UCLIBC_PAGE_H
+#define _UCLIBC_PAGE_H
+
+/* PAGE_SHIFT determines the page size -- in this case 4096 */
+#define PAGE_SHIFT 13
+#define PAGE_SIZE (1UL << PAGE_SHIFT)
+#define PAGE_MASK (~(PAGE_SIZE-1))
+
+/* Some architectures always use 12 as page shift for mmap2() eventhough the
+ * real PAGE_SHIFT != 12. Other architectures use the same value as
+ * PAGE_SHIFT...
+ */
+#define MMAP2_PAGE_SHIFT PAGE_SHIFT
+
+#endif /* _UCLIBC_PAGE_H */
diff --git a/libc/sysdeps/linux/or1k/bits/wordsize.h b/libc/sysdeps/linux/or1k/bits/wordsize.h
new file mode 100644
index 0000000..ba643b6
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/bits/wordsize.h
@@ -0,0 +1,19 @@
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#define __WORDSIZE 32
diff --git a/libc/sysdeps/linux/or1k/brk.c b/libc/sysdeps/linux/or1k/brk.c
new file mode 100644
index 0000000..f8183db
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/brk.c
@@ -0,0 +1,23 @@
+/* From libc-5.3.12 */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+libc_hidden_proto(brk)
+extern void * ___brk_addr;
+
+extern int __init_brk (void);
+extern void *_brk(void *ptr);
+
+int brk(void * end_data_seg)
+{
+ if (__init_brk () == 0)
+ {
+ ___brk_addr = _brk(end_data_seg);
+ if (___brk_addr == end_data_seg)
+ return 0;
+ __set_errno(ENOMEM);
+ }
+ return -1;
+}
+libc_hidden_def(brk)
diff --git a/libc/sysdeps/linux/or1k/clone.c b/libc/sysdeps/linux/or1k/clone.c
new file mode 100644
index 0000000..ebb048a
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/clone.c
@@ -0,0 +1,88 @@
+/*
+ * clone syscall for OpenRISC
+ *
+ * Copyright (c) 2010 Jonas Bonn <jonas@southpole.se>
+ * Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au>
+ * Copyright (C) 2002,03 NEC Electronics Corporation
+ * Copyright (C) 2002,03 Miles Bader <miles@gnu.org>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License. See the file COPYING.LIB in the main
+ * directory of this archive for more details.
+ *
+ * OpenRISC port by Jonas Bonn <jonas@southpole.se>
+ */
+
+#include <errno.h>
+#include <sys/syscall.h>
+#include <sched.h>
+#include <unistd.h>
+
+/* The userland implementation is:
+ int clone (int (*fn)(void *arg), void *child_stack, int flags, void *arg, ...)
+ the kernel entry is:
+ int clone (long flags, void *child_stack)
+*/
+
+int
+clone (int (*fn)(void *arg), void *child_stack, int flags, void *arg, ...)
+{
+ int err;
+
+ /* OK, here's the skinny on this one...
+ * OR1K GCC does weird things with varargs functions... the last
+ * parameter is NEVER passed on the stack -- i.e. arg, in this case.
+ * So we need to push at least 'arg' onto the child stack so that
+ * the new thread can find it. Just to be totally safe, we'll
+ * push both 'fn' and 'arg'; that way we don't need to care what
+ * GCC does with parameters, whether they are passed in registers
+ * or on stack.
+ */
+
+ /* Put 'fn' and 'arg' on child stack */
+ __asm__ __volatile__ (
+ "l.sw -4(%0),%1;"
+ "l.sw -8(%0),%2;"
+ :
+ : "r" (child_stack), "r" (fn), "r" (arg)
+ );
+
+ /* Sanity check the arguments */
+ err = -EINVAL;
+ if (!fn)
+ goto syscall_error;
+ if (!child_stack)
+ goto syscall_error;
+
+ err = INLINE_SYSCALL(clone, 2, flags, child_stack);
+
+ /* NB: from here you are in child thread or parent thread.
+ *
+ * Do not use any functions here that may write data _up_
+ * onto the stack because they will overwrite the child's
+ * thread descriptor... i.e. don't use printf
+ */
+
+ if (err < 0)
+ goto syscall_error;
+ else if (err != 0) {
+ return err;
+ }
+
+ /* NB: from here you exclusively in child thread */
+
+ /* Grab 'fn' and 'arg' from child stack */
+ __asm__ __volatile__ (
+ "l.lwz %0,-4(%2);"
+ "l.lwz %1,-8(%2);"
+ : "=&r" (fn), "=r" (arg)
+ : "r" (child_stack)
+ : "0", "1"
+ );
+
+ _exit(fn(arg));
+
+syscall_error:
+ __set_errno (-err);
+ return -1;
+}
diff --git a/libc/sysdeps/linux/or1k/crt1.S b/libc/sysdeps/linux/or1k/crt1.S
new file mode 100644
index 0000000..c1926be
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/crt1.S
@@ -0,0 +1,144 @@
+/* Copyright (C) 1995, 1996, 1997, 1998, 2001, 2002, 2005
+ Free Software Foundation, Inc.
+
+ Copyright (C) 2010 Embecosm Limited
+
+ Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
+ Contributor Joern Rennecke <joern.rennecke@embecosm.com>
+ With other contributions from the OpenCores community.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file with other
+ programs, and to distribute those programs without any restriction
+ coming from the use of this file. (The GNU Lesser General Public
+ License restrictions do apply in other respects; for example, they
+ cover modification of the file, and distribution when not linked
+ into another program.)
+
+ Note that people who make modified versions of this file are not
+ obligated to grant this special exception for their modified
+ versions; it is their choice whether to do so. The GNU Lesser
+ General Public License gives permission to release a modified
+ version without this exception; this exception also makes it
+ possible to release a modified version which carries forward this
+ exception.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* Stick in a dummy reference to main(), so that if an application
+ * is linking when the main() function is in a static library (.a)
+ * we can be sure that main() actually gets linked in */
+.type main,%function
+
+/* This is the canonical entry point, usually the first thing in the text
+ segment.
+
+ sp The stack contains the arguments and environment:
+ 0(sp) argc
+ 4(sp) argv[0]
+ ...
+ (4*argc)(sp) NULL
+ (4*(argc+1))(sp) envp[0]
+ ...
+ NULL
+*/
+
+#include <features.h>
+
+.text
+ .globl _start
+ .type _start,%function
+
+.global _start
+_start:
+
+#ifdef __PIC__
+ /* Obtain a pointer to .got in r16 */
+ l.jal .LPC0
+#ifndef __OR1K_NODELAY__
+ l.nop
+#endif
+.LPC0:
+ l.movhi r16, gotpchi(_GLOBAL_OFFSET_TABLE_+(.-.LPC0))
+ l.ori r16, r16, gotpclo(_GLOBAL_OFFSET_TABLE_+(.-.LPC0))
+ l.add r16, r16, r9
+#endif
+
+ /* Push stack limit onto the stack */
+ /* Provides highest stack address to user code (as stack grows
+ * downwards
+ * This is the seventh argument to __uClibc_main and thus needs to
+ * be passed on the stack
+ */
+ l.sw -4(r1),r1
+
+ /* Take values for argc and argv off the stack.
+ * These will be passed as arguments two and three to __uClibc_main
+ * and thus go in registers r4 and r5, respectively
+ */
+ l.lwz r4,0(r1)
+ l.addi r5,r1,4
+
+#ifdef __PIC__
+ l.lwz r3,got(main)(r16)
+#else
+ l.movhi r3,hi(main)
+ l.ori r3,r3,lo(main)
+#endif
+
+ /* Put the constructor and destructor initialization as args four and
+ five into r6 and r7 */
+#ifdef __PIC__
+ l.lwz r6, got(_init)(r16)
+ l.lwz r7, got(_fini)(r16)
+#else
+ l.movhi r6,hi(_init)
+ l.ori r6,r6,lo(_init)
+ l.movhi r7,hi(_fini)
+ l.ori r7,r7,lo(_fini)
+#endif
+
+ /* rtld_fini = NULL */
+ l.movhi r8, 0
+
+ /* Adjust stack to account for a total of 7 args (i.e. the last one is
+ on the stack. */
+ l.addi r1,r1,-4
+
+ /* Clear the frame pointer and link register since this is the
+ * outermost frame.
+ */
+ l.add r2,r0,r0
+ l.add r9,r0,r0
+
+ /* Let the libc call main and exit with its return code. */
+#ifdef __PIC__
+ l.j plt(__uClibc_main)
+#else
+ l.j __uClibc_main
+#endif
+ l.nop
+
+/* Define a symbol for the first piece of initialized data. */
+ .data
+ .globl __data_start
+__data_start:
+ .long 0
+ .weak data_start
+ data_start = __data_start
diff --git a/libc/sysdeps/linux/or1k/crti.S b/libc/sysdeps/linux/or1k/crti.S
new file mode 100644
index 0000000..a96476b
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/crti.S
@@ -0,0 +1,11 @@
+ .section .init
+ .global _init
+_init:
+ l.addi r1,r1,-4
+ l.sw 0(r1),r9
+
+ .section .fini
+ .global _fini
+_fini:
+ l.addi r1,r1,-4
+ l.sw 0(r1),r9
diff --git a/libc/sysdeps/linux/or1k/crtn.S b/libc/sysdeps/linux/or1k/crtn.S
new file mode 100644
index 0000000..b3e8688
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/crtn.S
@@ -0,0 +1,9 @@
+ .section .init
+ l.lwz r9,0(r1)
+ l.jr r9
+ l.addi r1,r1,4
+
+ .section .fini
+ l.lwz r9,0(r1)
+ l.jr r9
+ l.addi r1,r1,4
diff --git a/libc/sysdeps/linux/or1k/jmpbuf-offsets.h b/libc/sysdeps/linux/or1k/jmpbuf-offsets.h
new file mode 100644
index 0000000..8cd82a1
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/jmpbuf-offsets.h
@@ -0,0 +1,8 @@
+#include <features.h>
+
+#define JB_SR 0
+#define JB_GPRS 1
+#define JB_SP 1
+#define JB_LR 9
+#define JB_RV 11
+#define JB_SIZE (32*4)
diff --git a/libc/sysdeps/linux/or1k/jmpbuf-unwind.h b/libc/sysdeps/linux/or1k/jmpbuf-unwind.h
new file mode 100644
index 0000000..436073b
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/jmpbuf-unwind.h
@@ -0,0 +1,24 @@
+/* Copyright (C) 2005,2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <setjmp.h>
+#include <jmpbuf-offsets.h>
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((void *) (address) < (void *) (jmpbuf)[JB_SP])
diff --git a/libc/sysdeps/linux/or1k/sbrk.c b/libc/sysdeps/linux/or1k/sbrk.c
new file mode 100644
index 0000000..bd0635f
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/sbrk.c
@@ -0,0 +1,27 @@
+/* From libc-5.3.12 */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+libc_hidden_proto(sbrk)
+
+extern void * ___brk_addr;
+
+extern int __init_brk (void);
+extern void *_brk(void *ptr);
+
+void *
+sbrk(intptr_t increment)
+{
+ if (__init_brk () == 0)
+ {
+ char * tmp = (char*)___brk_addr+increment;
+ ___brk_addr = _brk(tmp);
+ if (___brk_addr == tmp)
+ return tmp-increment;
+ __set_errno(ENOMEM);
+ return ((void *) -1);
+ }
+ return ((void *) -1);
+}
+libc_hidden_def(sbrk)
diff --git a/libc/sysdeps/linux/or1k/setjmp.S b/libc/sysdeps/linux/or1k/setjmp.S
new file mode 100644
index 0000000..2814f2f
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/setjmp.S
@@ -0,0 +1,96 @@
+/* setjmp for or1k
+
+ Based on:
+ setjmp for PowerPC.
+ Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include "spr_defs.h"
+#include <jmpbuf-offsets.h>
+
+#ifdef __UCLIBC_HAS_FLOATS__
+#define FP(x...) x
+#else
+#define FP(x...)
+#endif
+
+.globl _setjmp
+.type _setjmp, @function
+.align 2
+
+_setjmp:
+ l.addi r4,r0,0 /* Set second argument to 0. */
+ l.j .Local_sigsetjmp
+ l.nop
+.size _setjmp,.-_setjmp
+
+.globl __setjmp
+.type __setjmp, @function
+.align 2
+
+__setjmp:
+ l.addi r4,r0,1 /* Set second argument to 1. */
+ l.j .Local_sigsetjmp
+ l.nop
+.size __setjmp,.-__setjmp
+
+.globl setjmp
+.set setjmp,__setjmp
+
+.globl __sigsetjmp
+.type __sigsetjmp, @function
+.align 2
+
+__sigsetjmp:
+.Local_sigsetjmp:
+# l.mfspr r11,r0,SPR_SR
+# l.sw (JB_SR*4)(r3),r11
+ l.sw ((JB_GPRS+0)*4)(r3),r1
+ l.sw ((JB_GPRS+1)*4)(r3),r2
+/* l.sw ((JB_GPRS+2)*4)(r3),r3*/
+ l.sw ((JB_GPRS+3)*4)(r3),r4
+ l.sw ((JB_GPRS+4)*4)(r3),r5
+ l.sw ((JB_GPRS+5)*4)(r3),r6
+ l.sw ((JB_GPRS+6)*4)(r3),r7
+ l.sw ((JB_GPRS+7)*4)(r3),r8
+ l.sw ((JB_GPRS+8)*4)(r3),r9
+ l.sw ((JB_GPRS+9)*4)(r3),r10
+ l.sw ((JB_GPRS+10)*4)(r3),r11
+ l.sw ((JB_GPRS+11)*4)(r3),r12
+ l.sw ((JB_GPRS+12)*4)(r3),r13
+ l.sw ((JB_GPRS+13)*4)(r3),r14
+ l.sw ((JB_GPRS+14)*4)(r3),r15
+ l.sw ((JB_GPRS+15)*4)(r3),r16
+ l.sw ((JB_GPRS+16)*4)(r3),r17
+ l.sw ((JB_GPRS+17)*4)(r3),r18
+ l.sw ((JB_GPRS+18)*4)(r3),r19
+ l.sw ((JB_GPRS+19)*4)(r3),r20
+ l.sw ((JB_GPRS+20)*4)(r3),r21
+ l.sw ((JB_GPRS+21)*4)(r3),r22
+ l.sw ((JB_GPRS+22)*4)(r3),r23
+ l.sw ((JB_GPRS+23)*4)(r3),r24
+ l.sw ((JB_GPRS+24)*4)(r3),r25
+ l.sw ((JB_GPRS+25)*4)(r3),r26
+ l.sw ((JB_GPRS+26)*4)(r3),r27
+ l.sw ((JB_GPRS+27)*4)(r3),r28
+ l.sw ((JB_GPRS+28)*4)(r3),r29
+ l.sw ((JB_GPRS+29)*4)(r3),r30
+ l.sw ((JB_GPRS+30)*4)(r3),r31
+ l.j __sigjmp_save
+ l.nop
+.size __sigsetjmp,.-__sigsetjmp
diff --git a/libc/sysdeps/linux/or1k/spr_defs.h b/libc/sysdeps/linux/or1k/spr_defs.h
new file mode 100644
index 0000000..263d3e4
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/spr_defs.h
@@ -0,0 +1,429 @@
+/* spr_defs.h -- Defines OR1K architecture specific special-purpose registers
+ Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
+
+This file is part of OpenRISC 1000 Architectural Simulator.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* This file is also used by microkernel test bench. Among
+others it is also used in assembly file(s). */
+
+/* Definition of special-purpose registers (SPRs) */
+
+#define MAX_GRPS (32)
+#define MAX_SPRS_PER_GRP_BITS (11)
+#define MAX_SPRS_PER_GRP (1 << MAX_SPRS_PER_GRP_BITS)
+#define MAX_SPRS (0x10000)
+
+/* Base addresses for the groups */
+#define SPRGROUP_SYS (0<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_DMMU (1<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_IMMU (2<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_DC (3<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_IC (4<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_MAC (5<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_D (6<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_PC (7<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_PM (8<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_PIC (9<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_TT (10<< MAX_SPRS_PER_GRP_BITS)
+
+/* System control and status group */
+#define SPR_VR (SPRGROUP_SYS + 0)
+#define SPR_UPR (SPRGROUP_SYS + 1)
+#define SPR_CPUCFGR (SPRGROUP_SYS + 2)
+#define SPR_DMMUCFGR (SPRGROUP_SYS + 3)
+#define SPR_IMMUCFGR (SPRGROUP_SYS + 4)
+#define SPR_DCCFGR (SPRGROUP_SYS + 5)
+#define SPR_ICCFGR (SPRGROUP_SYS + 6)
+#define SPR_DCFGR (SPRGROUP_SYS + 7)
+#define SPR_PCCFGR (SPRGROUP_SYS + 8)
+#define SPR_NPC (SPRGROUP_SYS + 16) /* CZ 21/06/01 */
+#define SPR_SR (SPRGROUP_SYS + 17) /* CZ 21/06/01 */
+#define SPR_PPC (SPRGROUP_SYS + 18) /* CZ 21/06/01 */
+#define SPR_EPCR_BASE (SPRGROUP_SYS + 32) /* CZ 21/06/01 */
+#define SPR_EPCR_LAST (SPRGROUP_SYS + 47) /* CZ 21/06/01 */
+#define SPR_EEAR_BASE (SPRGROUP_SYS + 48)
+#define SPR_EEAR_LAST (SPRGROUP_SYS + 63)
+#define SPR_ESR_BASE (SPRGROUP_SYS + 64)
+#define SPR_ESR_LAST (SPRGROUP_SYS + 79)
+
+/* Data MMU group */
+#define SPR_DMMUCR (SPRGROUP_DMMU + 0)
+#define SPR_DTLBMR_BASE(WAY) (SPRGROUP_DMMU + 0x200 + (WAY) * 0x100)
+#define SPR_DTLBMR_LAST(WAY) (SPRGROUP_DMMU + 0x27f + (WAY) * 0x100)
+#define SPR_DTLBTR_BASE(WAY) (SPRGROUP_DMMU + 0x280 + (WAY) * 0x100)
+#define SPR_DTLBTR_LAST(WAY) (SPRGROUP_DMMU + 0x2ff + (WAY) * 0x100)
+
+/* Instruction MMU group */
+#define SPR_IMMUCR (SPRGROUP_IMMU + 0)
+#define SPR_ITLBMR_BASE(WAY) (SPRGROUP_IMMU + 0x200 + (WAY) * 0x100)
+#define SPR_ITLBMR_LAST(WAY) (SPRGROUP_IMMU + 0x27f + (WAY) * 0x100)
+#define SPR_ITLBTR_BASE(WAY) (SPRGROUP_IMMU + 0x280 + (WAY) * 0x100)
+#define SPR_ITLBTR_LAST(WAY) (SPRGROUP_IMMU + 0x2ff + (WAY) * 0x100)
+
+/* Data cache group */
+#define SPR_DCCR (SPRGROUP_DC + 0)
+#define SPR_DCBPR (SPRGROUP_DC + 1)
+#define SPR_DCBFR (SPRGROUP_DC + 2)
+#define SPR_DCBIR (SPRGROUP_DC + 3)
+#define SPR_DCBWR (SPRGROUP_DC + 4)
+#define SPR_DCBLR (SPRGROUP_DC + 5)
+#define SPR_DCR_BASE(WAY) (SPRGROUP_DC + 0x200 + (WAY) * 0x200)
+#define SPR_DCR_LAST(WAY) (SPRGROUP_DC + 0x3ff + (WAY) * 0x200)
+
+/* Instruction cache group */
+#define SPR_ICCR (SPRGROUP_IC + 0)
+#define SPR_ICBPR (SPRGROUP_IC + 1)
+#define SPR_ICBIR (SPRGROUP_IC + 2)
+#define SPR_ICBLR (SPRGROUP_IC + 3)
+#define SPR_ICR_BASE(WAY) (SPRGROUP_IC + 0x200 + (WAY) * 0x200)
+#define SPR_ICR_LAST(WAY) (SPRGROUP_IC + 0x3ff + (WAY) * 0x200)
+
+/* MAC group */
+#define SPR_MACLO (SPRGROUP_MAC + 1)
+#define SPR_MACHI (SPRGROUP_MAC + 2)
+
+/* Debug group */
+#define SPR_DVR(N) (SPRGROUP_D + (N))
+#define SPR_DCR(N) (SPRGROUP_D + 8 + (N))
+#define SPR_DMR1 (SPRGROUP_D + 16)
+#define SPR_DMR2 (SPRGROUP_D + 17)
+#define SPR_DWCR0 (SPRGROUP_D + 18)
+#define SPR_DWCR1 (SPRGROUP_D + 19)
+#define SPR_DSR (SPRGROUP_D + 20)
+#define SPR_DRR (SPRGROUP_D + 21)
+
+/* Performance counters group */
+#define SPR_PCCR(N) (SPRGROUP_PC + (N))
+#define SPR_PCMR(N) (SPRGROUP_PC + 8 + (N))
+
+/* Power management group */
+#define SPR_PMR (SPRGROUP_PM + 0)
+
+/* PIC group */
+#define SPR_PICMR (SPRGROUP_PIC + 0)
+#define SPR_PICPR (SPRGROUP_PIC + 1)
+#define SPR_PICSR (SPRGROUP_PIC + 2)
+
+/* Tick Timer group */
+#define SPR_TTMR (SPRGROUP_TT + 0)
+#define SPR_TTCR (SPRGROUP_TT + 1)
+
+/*
+ * Bit definitions for the Version Register
+ *
+ */
+#define SPR_VR_VER 0xffff0000 /* Processor version */
+#define SPR_VR_REV 0x0000003f /* Processor revision */
+
+/*
+ * Bit definitions for the Unit Present Register
+ *
+ */
+#define SPR_UPR_UP 0x00000001 /* UPR present */
+#define SPR_UPR_DCP 0x00000002 /* Data cache present */
+#define SPR_UPR_ICP 0x00000004 /* Instruction cache present */
+#define SPR_UPR_DMP 0x00000008 /* Data MMU present */
+#define SPR_UPR_IMP 0x00000010 /* Instruction MMU present */
+#define SPR_UPR_OB32P 0x00000020 /* ORBIS32 present */
+#define SPR_UPR_OB64P 0x00000040 /* ORBIS64 present */
+#define SPR_UPR_OF32P 0x00000080 /* ORFPX32 present */
+#define SPR_UPR_OF64P 0x00000100 /* ORFPX64 present */
+#define SPR_UPR_OV32P 0x00000200 /* ORVDX32 present */
+#define SPR_UPR_OV64P 0x00000400 /* ORVDX64 present */
+#define SPR_UPR_DUP 0x00000800 /* Debug unit present */
+#define SPR_UPR_PCUP 0x00001000 /* Performance counters unit present */
+#define SPR_UPR_PMP 0x00002000 /* Power management present */
+#define SPR_UPR_PICP 0x00004000 /* PIC present */
+#define SPR_UPR_TTP 0x00008000 /* Tick timer present */
+#define SPR_UPR_SRP 0x00010000 /* Shadow registers present */
+#define SPR_UPR_RES 0x00fe0000 /* ORVDX32 present */
+#define SPR_UPR_CUST 0xff000000 /* Custom units */
+
+/*
+ * Bit definitions for the Supervision Register
+ *
+ */
+#define SPR_SR_CID 0xf0000000 /* Context ID */
+#define SPR_SR_SUMRA 0x00010000 /* Supervisor SPR read access */
+#define SPR_SR_FO 0x00008000 /* Fixed one */
+#define SPR_SR_EPH 0x00004000 /* Exception Prefix High */
+#define SPR_SR_DSX 0x00002000 /* Delay Slot Exception */
+#define SPR_SR_OVE 0x00001000 /* Overflow flag Exception */
+#define SPR_SR_OV 0x00000800 /* Overflow flag */
+#define SPR_SR_CY 0x00000400 /* Carry flag */
+#define SPR_SR_F 0x00000200 /* Condition Flag */
+#define SPR_SR_CE 0x00000100 /* CID Enable */
+#define SPR_SR_LEE 0x00000080 /* Little Endian Enable */
+#define SPR_SR_IME 0x00000040 /* Instruction MMU Enable */
+#define SPR_SR_DME 0x00000020 /* Data MMU Enable */
+#define SPR_SR_ICE 0x00000010 /* Instruction Cache Enable */
+#define SPR_SR_DCE 0x00000008 /* Data Cache Enable */
+#define SPR_SR_IEE 0x00000004 /* Interrupt Exception Enable */
+#define SPR_SR_TEE 0x00000002 /* Tick timer Exception Enable */
+#define SPR_SR_SM 0x00000001 /* Supervisor Mode */
+
+/*
+ * Bit definitions for the Data MMU Control Register
+ *
+ */
+#define SPR_DMMUCR_P2S 0x0000003e /* Level 2 Page Size */
+#define SPR_DMMUCR_P1S 0x000007c0 /* Level 1 Page Size */
+#define SPR_DMMUCR_VADDR_WIDTH 0x0000f800 /* Virtual ADDR Width */
+#define SPR_DMMUCR_PADDR_WIDTH 0x000f0000 /* Physical ADDR Width */
+
+/*
+ * Bit definitions for the Instruction MMU Control Register
+ *
+ */
+#define SPR_IMMUCR_P2S 0x0000003e /* Level 2 Page Size */
+#define SPR_IMMUCR_P1S 0x000007c0 /* Level 1 Page Size */
+#define SPR_IMMUCR_VADDR_WIDTH 0x0000f800 /* Virtual ADDR Width */
+#define SPR_IMMUCR_PADDR_WIDTH 0x000f0000 /* Physical ADDR Width */
+
+/*
+ * Bit definitions for the Data TLB Match Register
+ *
+ */
+#define SPR_DTLBMR_V 0x00000001 /* Valid */
+#define SPR_DTLBMR_PL1 0x00000002 /* Page Level 1 (if 0 then PL2) */
+#define SPR_DTLBMR_CID 0x0000003c /* Context ID */
+#define SPR_DTLBMR_LRU 0x000000c0 /* Least Recently Used */
+#define SPR_DTLBMR_VPN 0xfffff000 /* Virtual Page Number */
+
+/*
+ * Bit definitions for the Data TLB Translate Register
+ *
+ */
+#define SPR_DTLBTR_CC 0x00000001 /* Cache Coherency */
+#define SPR_DTLBTR_CI 0x00000002 /* Cache Inhibit */
+#define SPR_DTLBTR_WBC 0x00000004 /* Write-Back Cache */
+#define SPR_DTLBTR_WOM 0x00000008 /* Weakly-Ordered Memory */
+#define SPR_DTLBTR_A 0x00000010 /* Accessed */
+#define SPR_DTLBTR_D 0x00000020 /* Dirty */
+#define SPR_DTLBTR_URE 0x00000040 /* User Read Enable */
+#define SPR_DTLBTR_UWE 0x00000080 /* User Write Enable */
+#define SPR_DTLBTR_SRE 0x00000100 /* Supervisor Read Enable */
+#define SPR_DTLBTR_SWE 0x00000200 /* Supervisor Write Enable */
+#define SPR_DTLBTR_PPN 0xfffff000 /* Physical Page Number */
+
+/*
+ * Bit definitions for the Instruction TLB Match Register
+ *
+ */
+#define SPR_ITLBMR_V 0x00000001 /* Valid */
+#define SPR_ITLBMR_PL1 0x00000002 /* Page Level 1 (if 0 then PL2) */
+#define SPR_ITLBMR_CID 0x0000003c /* Context ID */
+#define SPR_ITLBMR_LRU 0x000000c0 /* Least Recently Used */
+#define SPR_ITLBMR_VPN 0xfffff000 /* Virtual Page Number */
+
+/*
+ * Bit definitions for the Instruction TLB Translate Register
+ *
+ */
+#define SPR_ITLBTR_CC 0x00000001 /* Cache Coherency */
+#define SPR_ITLBTR_CI 0x00000002 /* Cache Inhibit */
+#define SPR_ITLBTR_WBC 0x00000004 /* Write-Back Cache */
+#define SPR_ITLBTR_WOM 0x00000008 /* Weakly-Ordered Memory */
+#define SPR_ITLBTR_A 0x00000010 /* Accessed */
+#define SPR_ITLBTR_D 0x00000020 /* Dirty */
+#define SPR_ITLBTR_SXE 0x00000040 /* User Read Enable */
+#define SPR_ITLBTR_UXE 0x00000080 /* User Write Enable */
+#define SPR_ITLBTR_PPN 0xfffff000 /* Physical Page Number */
+
+/*
+ * Bit definitions for Data Cache Control register
+ *
+ */
+#define SPR_DCCR_EW 0x000000ff /* Enable ways */
+
+/*
+ * Bit definitions for Insn Cache Control register
+ *
+ */
+#define SPR_ICCR_EW 0x000000ff /* Enable ways */
+
+/*
+ * Bit definitions for Debug Control registers
+ *
+ */
+#define SPR_DCR_DP 0x00000001 /* DVR/DCR present */
+#define SPR_DCR_CC 0x0000000e /* Compare condition */
+#define SPR_DCR_SC 0x00000010 /* Signed compare */
+#define SPR_DCR_CT 0x000000e0 /* Compare to */
+
+/* Bit results with SPR_DCR_CC mask */
+#define SPR_DCR_CC_MASKED 0x00000000
+#define SPR_DCR_CC_EQUAL 0x00000001
+#define SPR_DCR_CC_LESS 0x00000002
+#define SPR_DCR_CC_LESSE 0x00000003
+#define SPR_DCR_CC_GREAT 0x00000004
+#define SPR_DCR_CC_GREATE 0x00000005
+#define SPR_DCR_CC_NEQUAL 0x00000006
+
+/* Bit results with SPR_DCR_CT mask */
+#define SPR_DCR_CT_DISABLED 0x00000000
+#define SPR_DCR_CT_IFEA 0x00000020
+#define SPR_DCR_CT_LEA 0x00000040
+#define SPR_DCR_CT_SEA 0x00000060
+#define SPR_DCR_CT_LD 0x00000080
+#define SPR_DCR_CT_SD 0x000000a0
+#define SPR_DCR_CT_LSEA 0x000000c0
+
+/*
+ * Bit definitions for Debug Mode 1 register
+ *
+ */
+#define SPR_DMR1_CW0 0x00000003 /* Chain watchpoint 0 */
+#define SPR_DMR1_CW1 0x0000000c /* Chain watchpoint 1 */
+#define SPR_DMR1_CW2 0x00000030 /* Chain watchpoint 2 */
+#define SPR_DMR1_CW3 0x000000c0 /* Chain watchpoint 3 */
+#define SPR_DMR1_CW4 0x00000300 /* Chain watchpoint 4 */
+#define SPR_DMR1_CW5 0x00000c00 /* Chain watchpoint 5 */
+#define SPR_DMR1_CW6 0x00003000 /* Chain watchpoint 6 */
+#define SPR_DMR1_CW7 0x0000c000 /* Chain watchpoint 7 */
+#define SPR_DMR1_CW8 0x00030000 /* Chain watchpoint 8 */
+#define SPR_DMR1_CW9 0x000c0000 /* Chain watchpoint 9 */
+#define SPR_DMR1_CW10 0x00300000 /* Chain watchpoint 10 */
+#define SPR_DMR1_ST 0x00400000 /* Single-step trace*/
+#define SPR_DMR1_BT 0x00800000 /* Branch trace */
+#define SPR_DMR1_DXFW 0x01000000 /* Disable external force watchpoint */
+
+/*
+ * Bit definitions for Debug Mode 2 register
+ *
+ */
+#define SPR_DMR2_WCE0 0x00000001 /* Watchpoint counter 0 enable */
+#define SPR_DMR2_WCE1 0x00000002 /* Watchpoint counter 0 enable */
+#define SPR_DMR2_AWTC 0x00001ffc /* Assign watchpoints to counters */
+#define SPR_DMR2_WGB 0x00ffe000 /* Watchpoints generating breakpoint */
+
+/*
+ * Bit definitions for Debug watchpoint counter registers
+ *
+ */
+#define SPR_DWCR_COUNT 0x0000ffff /* Count */
+#define SPR_DWCR_MATCH 0xffff0000 /* Match */
+
+/*
+ * Bit definitions for Debug stop register
+ *
+ */
+#define SPR_DSR_RSTE 0x00000001 /* Reset exception */
+#define SPR_DSR_BUSEE 0x00000002 /* Bus error exception */
+#define SPR_DSR_DPFE 0x00000004 /* Data Page Fault exception */
+#define SPR_DSR_IPFE 0x00000008 /* Insn Page Fault exception */
+#define SPR_DSR_TTE 0x00000010 /* iTick Timer exception */
+#define SPR_DSR_AE 0x00000020 /* Alignment exception */
+#define SPR_DSR_IIE 0x00000040 /* Illegal Instruction exception */
+#define SPR_DSR_IE 0x00000080 /* Interrupt exception */
+#define SPR_DSR_DME 0x00000100 /* DTLB miss exception */
+#define SPR_DSR_IME 0x00000200 /* ITLB miss exception */
+#define SPR_DSR_RE 0x00000400 /* Range exception */
+#define SPR_DSR_SCE 0x00000800 /* System call exception */
+#define SPR_DSR_SSE 0x00001000 /* Single Step Exception */
+#define SPR_DSR_TE 0x00002000 /* Trap exception */
+
+/*
+ * Bit definitions for Debug reason register
+ *
+ */
+#define SPR_DRR_RSTE 0x00000001 /* Reset exception */
+#define SPR_DRR_BUSEE 0x00000002 /* Bus error exception */
+#define SPR_DRR_DPFE 0x00000004 /* Data Page Fault exception */
+#define SPR_DRR_IPFE 0x00000008 /* Insn Page Fault exception */
+#define SPR_DRR_TTE 0x00000010 /* Tick Timer exception */
+#define SPR_DRR_AE 0x00000020 /* Alignment exception */
+#define SPR_DRR_IIE 0x00000040 /* Illegal Instruction exception */
+#define SPR_DRR_IE 0x00000080 /* Interrupt exception */
+#define SPR_DRR_DME 0x00000100 /* DTLB miss exception */
+#define SPR_DRR_IME 0x00000200 /* ITLB miss exception */
+#define SPR_DRR_RE 0x00000400 /* Range exception */
+#define SPR_DRR_SCE 0x00000800 /* System call exception */
+#define SPR_DRR_TE 0x00001000 /* Trap exception */
+
+/*
+ * Bit definitions for Performance counters mode registers
+ *
+ */
+#define SPR_PCMR_CP 0x00000001 /* Counter present */
+#define SPR_PCMR_UMRA 0x00000002 /* User mode read access */
+#define SPR_PCMR_CISM 0x00000004 /* Count in supervisor mode */
+#define SPR_PCMR_CIUM 0x00000008 /* Count in user mode */
+#define SPR_PCMR_LA 0x00000010 /* Load access event */
+#define SPR_PCMR_SA 0x00000020 /* Store access event */
+#define SPR_PCMR_IF 0x00000040 /* Instruction fetch event*/
+#define SPR_PCMR_DCM 0x00000080 /* Data cache miss event */
+#define SPR_PCMR_ICM 0x00000100 /* Insn cache miss event */
+#define SPR_PCMR_IFS 0x00000200 /* Insn fetch stall event */
+#define SPR_PCMR_LSUS 0x00000400 /* LSU stall event */
+#define SPR_PCMR_BS 0x00000800 /* Branch stall event */
+#define SPR_PCMR_DTLBM 0x00001000 /* DTLB miss event */
+#define SPR_PCMR_ITLBM 0x00002000 /* ITLB miss event */
+#define SPR_PCMR_DDS 0x00004000 /* Data dependency stall event */
+#define SPR_PCMR_WPE 0x03ff8000 /* Watchpoint events */
+
+/*
+ * Bit definitions for the Power management register
+ *
+ */
+#define SPR_PMR_SDF 0x0000000f /* Slow down factor */
+#define SPR_PMR_DME 0x00000010 /* Doze mode enable */
+#define SPR_PMR_SME 0x00000020 /* Sleep mode enable */
+#define SPR_PMR_DCGE 0x00000040 /* Dynamic clock gating enable */
+#define SPR_PMR_SUME 0x00000080 /* Suspend mode enable */
+
+/*
+ * Bit definitions for PICMR
+ *
+ */
+#define SPR_PICMR_IUM 0xfffffffc /* Interrupt unmask */
+
+/*
+ * Bit definitions for PICPR
+ *
+ */
+#define SPR_PICPR_IPRIO 0xfffffffc /* Interrupt priority */
+
+/*
+ * Bit definitions for PICSR
+ *
+ */
+#define SPR_PICSR_IS 0xffffffff /* Interrupt status */
+
+/*
+ * Bit definitions for Tick Timer Control Register
+ *
+ */
+#define SPR_TTCR_PERIOD 0x0fffffff /* Time Period */
+#define SPR_TTMR_PERIOD SPR_TTCR_PERIOD
+#define SPR_TTMR_IP 0x10000000 /* Interrupt Pending */
+#define SPR_TTMR_IE 0x20000000 /* Interrupt Enable */
+#define SPR_TTMR_RT 0x40000000 /* Restart tick */
+#define SPR_TTMR_SR 0x80000000 /* Single run */
+#define SPR_TTMR_CR 0xc0000000 /* Continuous run */
+#define SPR_TTMR_M 0xc0000000 /* Tick mode */
+
+/*
+ * l.nop constants
+ *
+ */
+#define NOP_NOP 0x0000 /* Normal nop instruction */
+#define NOP_EXIT 0x0001 /* End of simulation */
+#define NOP_REPORT 0x0002 /* Simple report */
+#define NOP_PRINTF 0x0003 /* Simprintf instruction */
+#define NOP_REPORT_FIRST 0x0400 /* Report with number */
+#define NOP_REPORT_LAST 0x03ff /* Report with number */
diff --git a/libc/sysdeps/linux/or1k/sys/procfs.h b/libc/sysdeps/linux/or1k/sys/procfs.h
new file mode 100644
index 0000000..9d4c68f
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/sys/procfs.h
@@ -0,0 +1,116 @@
+/* Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _SYS_PROCFS_H
+#define _SYS_PROCFS_H 1
+
+/* This is somehow modelled after the file of the same name on SysVr4
+ systems. It provides a definition of the core file format for ELF
+ used on Linux. */
+
+#include <features.h>
+#include <signal.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/ucontext.h>
+
+#include <asm/elf.h>
+
+__BEGIN_DECLS
+
+struct elf_siginfo
+ {
+ int si_signo; /* Signal number. */
+ int si_code; /* Extra code. */
+ int si_errno; /* Errno. */
+ };
+
+
+/* Definitions to generate Intel SVR4-like core files. These mostly
+ have the same names as the SVR4 types with "elf_" tacked on the
+ front to prevent clashes with linux definitions, and the typedef
+ forms have been avoided. This is mostly like the SVR4 structure,
+ but more Linuxy, with things that Linux does not support and which
+ gdb doesn't really use excluded. Fields present but not used are
+ marked with "XXX". */
+struct elf_prstatus
+ {
+#if 0
+ long int pr_flags; /* XXX Process flags. */
+ short int pr_why; /* XXX Reason for process halt. */
+ short int pr_what; /* XXX More detailed reason. */
+#endif
+ struct elf_siginfo pr_info; /* Info associated with signal. */
+ short int pr_cursig; /* Current signal. */
+ unsigned long int pr_sigpend; /* Set of pending signals. */
+ unsigned long int pr_sighold; /* Set of held signals. */
+#if 0
+ struct sigaltstack pr_altstack; /* Alternate stack info. */
+ struct sigaction pr_action; /* Signal action for current sig. */
+#endif
+ __pid_t pr_pid;
+ __pid_t pr_ppid;
+ __pid_t pr_pgrp;
+ __pid_t pr_sid;
+ struct timeval pr_utime; /* User time. */
+ struct timeval pr_stime; /* System time. */
+ struct timeval pr_cutime; /* Cumulative user time. */
+ struct timeval pr_cstime; /* Cumulative system time. */
+#if 0
+ long int pr_instr; /* Current instruction. */
+#endif
+ elf_gregset_t pr_reg; /* GP registers. */
+ int pr_fpvalid; /* True if math copro being used. */
+ };
+
+
+#define ELF_PRARGSZ (80) /* Number of chars for args */
+
+struct elf_prpsinfo
+ {
+ char pr_state; /* Numeric process state. */
+ char pr_sname; /* Char for pr_state. */
+ char pr_zomb; /* Zombie. */
+ char pr_nice; /* Nice val. */
+ unsigned long int pr_flag; /* Flags. */
+ __uid_t pr_uid;
+ __gid_t pr_gid;
+ __pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid;
+ /* Lots missing */
+ char pr_fname[16]; /* Filename of executable. */
+ char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */
+ };
+
+/* Addresses. */
+typedef void *psaddr_t;
+
+/* Register sets. Linux has different names. */
+typedef elf_gregset_t prgregset_t;
+typedef elf_fpregset_t prfpregset_t;
+
+/* We don't have any differences between processes and threads,
+ therefore habe only ine PID type. */
+typedef __pid_t lwpid_t;
+
+
+typedef struct elf_prstatus prstatus_t;
+typedef struct elf_prpsinfo prpsinfo_t;
+
+__END_DECLS
+
+#endif /* sys/procfs.h */
diff --git a/libc/sysdeps/linux/or1k/sys/ucontext.h b/libc/sysdeps/linux/or1k/sys/ucontext.h
new file mode 100644
index 0000000..0d82cdb
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/sys/ucontext.h
@@ -0,0 +1,26 @@
+/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H 1
+
+#include <features.h>
+#include <signal.h>
+#include <asm/ucontext.h>
+
+#endif /* sys/ucontext.h */