From 3dbc359dd87d3c12c5a0ea58ae4f2106ba561f20 Mon Sep 17 00:00:00 2001 From: "Peter S. Mazinger" Date: Tue, 24 Jan 2006 15:46:20 +0000 Subject: Move threads header to proper location --- .../linuxthreads.old/sysdeps/h8300/pt-machine.h | 58 ++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 libpthread/linuxthreads.old/sysdeps/h8300/pt-machine.h (limited to 'libpthread') diff --git a/libpthread/linuxthreads.old/sysdeps/h8300/pt-machine.h b/libpthread/linuxthreads.old/sysdeps/h8300/pt-machine.h new file mode 100644 index 000000000..ad83147cb --- /dev/null +++ b/libpthread/linuxthreads.old/sysdeps/h8300/pt-machine.h @@ -0,0 +1,58 @@ +/* Machine-dependent pthreads configuration and inline functions. + H8/300 version. + Copyright (C) 1996, 1998, 2000, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson . + + 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; see the file COPYING.LIB. If + not, write to the Free Software Foundation, Inc., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#ifndef _PT_MACHINE_H +#define _PT_MACHINE_H 1 + +#ifndef PT_EI +# define PT_EI extern inline +#endif + +extern long int testandset (int *spinlock); + +/* Spinlock implementation; required. */ +PT_EI long int +testandset (int *spinlock) +{ + char ret; + + __asm__ __volatile__( + "sub.w %0,%0\n\t" + "stc ccr,@-sp\n\t" + "orc #0x80,ccr\n\t" + "bld #0,@%2\n\t" + "bset #0,@%2\n\t" + "rotxl.w %0\n\t" + "ldc @sp+,ccr\n\t" + :"=r"(ret),"=m"(*spinlock) + :"g"(spinlock) + :"cc"); + + return ret; +} + + +/* Get some notion of the current stack. Need not be exactly the top + of the stack, just something somewhere in the current frame. */ +#define CURRENT_STACK_FRAME stack_pointer +register char * stack_pointer __asm__ ("%sp"); + +#endif /* pt-machine.h */ -- cgit v1.2.3