diff options
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/nios/pt-machine.h')
-rw-r--r-- | libpthread/linuxthreads/sysdeps/nios/pt-machine.h | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/libpthread/linuxthreads/sysdeps/nios/pt-machine.h b/libpthread/linuxthreads/sysdeps/nios/pt-machine.h deleted file mode 100644 index 91bbf8fea..000000000 --- a/libpthread/linuxthreads/sysdeps/nios/pt-machine.h +++ /dev/null @@ -1,67 +0,0 @@ -/* Machine-dependent pthreads configuration and inline functions. - ARM version. - Copyright (C) 1997, 1998 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Philip Blundell <philb@gnu.org>. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - see <http://www.gnu.org/licenses/>. */ - -#ifndef _PT_MACHINE_H -#define _PT_MACHINE_H 1 - -#include <features.h> - -#ifndef PT_EI -# define PT_EI __extern_always_inline -#endif - -/* Spinlock implementation; required. */ -/* it is weird and dangerous to disable interrupt in userspace, but for nios - what else we can do before we have a swap like instruction? This is better - than nothing - */ -PT_EI long int -testandset (int *spinlock) -{ - unsigned int ret; - - __asm__ __volatile__("pfx 8\n\t" - "wrctl %1 ; disable interrupt\n\t" - "nop\n\t" - "nop\n\t" - "ld %0, [%2]\n\t" - "st [%2], %1\n\t" - "pfx 9\n\t" - "wrctl %1 ; enable interrupt\n\t" - "nop\n\t" - "nop\n\t" - : "=&r"(ret) - : "r"(1), "r"(spinlock) - : "memory"); - - 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"); - -/* nios needs more because of reg windows */ -#define THREAD_MANAGER_STACK_SIZE (32*1024) -#define STACK_SIZE (32*1024) - -#endif /* pt-machine.h */ |