diff options
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/microblaze')
| -rw-r--r-- | libpthread/linuxthreads/sysdeps/microblaze/pt-machine.h | 106 | ||||
| -rw-r--r-- | libpthread/linuxthreads/sysdeps/microblaze/sigcontextinfo.h | 17 |
2 files changed, 0 insertions, 123 deletions
diff --git a/libpthread/linuxthreads/sysdeps/microblaze/pt-machine.h b/libpthread/linuxthreads/sysdeps/microblaze/pt-machine.h deleted file mode 100644 index e8c03f9e5..000000000 --- a/libpthread/linuxthreads/sysdeps/microblaze/pt-machine.h +++ /dev/null @@ -1,106 +0,0 @@ -/* - * sysdeps/microblaze/pt-machine.h -- microblaze-specific pthread definitions - * - * Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au> - * Copyright (C) 2002 NEC Electronics Corporation - * Copyright (C) 2002 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. - * - * Written by Miles Bader <miles@gnu.org> - */ - -#ifndef _PT_MACHINE_H -#define _PT_MACHINE_H 1 - -#include <features.h> - -#ifndef PT_EI -# define PT_EI extern inline -#endif - -extern long int testandset (int *spinlock); -extern int __compare_and_swap (long *ptr, long old, long new); - -/* 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__ ("r1"); - -#define HAS_COMPARE_AND_SWAP -#define HAS_COMPARE_AND_SWAP_WITH_RELEASE_SEMANTICS -#define IMPLEMENT_TAS_WITH_CAS - -/* Atomically: If *PTR == OLD, set *PTR to NEW and return true, - otherwise do nothing and return false. */ -PT_EI int __compare_and_swap (long *ptr, long old, long new) -{ - unsigned long psw; - - /* disable interrupts */ - /* This is ugly ugly ugly! */ - __asm__ __volatile__ ("mfs %0, rmsr;" - "andi r3, %0, ~2;" - "mts rmsr, r3;" - : "=&r" (psw) - : - : "r3"); - - if (likely (*ptr == old)) - { - *ptr = new; - __asm__ __volatile__ ("mts rmsr, %0;" :: "r" (psw)); /* re-enable */ - return 1; - } - else - { - __asm__ __volatile__ ("mts rmsr, %0;" :: "r" (psw)); /* re-enable */ - return 0; - } -} - -/* like above's __compare_and_swap() but it first syncs the memory - (This is also the difference between both functions in e.g. - ../powerpc/pt-machine.h) - Doing this additional sync fixes a hang of __pthread_alt_unlock() - (Falk Brettschneider <fbrettschneider@baumeroptronic.de>) */ -PT_EI int -__compare_and_swap_with_release_semantics (long *p, - long oldval, long newval) -{ - __asm__ __volatile__ ("" : : : "memory"); /*MEMORY_BARRIER ();*/ - return __compare_and_swap (p, oldval, newval); -} - - -#ifndef IMPLEMENT_TAS_WITH_CAS -/* Spinlock implementation; required. */ -PT_EI long int testandset (int *spinlock) -{ - unsigned psw; - - /* disable interrupts */ - __asm__ __volatile__ ("mfs %0, rmsr;" - "andi r3, %0, ~2;" - "mts rmsr, r3;" - : "=&r" (psw) - : - : "r3"); - - if (*spinlock) - { - /* Enable ints */ - __asm__ __volatile__ ("mts rmsr, %0;" :: "r" (psw)); - return 1; - } else { - *spinlock=1; - /* Enable ints */ - __asm__ __volatile__ ("mts rmsr, %0;" :: "r" (psw)); - return 0; - } -} - -#endif -#endif /* pt-machine.h */ diff --git a/libpthread/linuxthreads/sysdeps/microblaze/sigcontextinfo.h b/libpthread/linuxthreads/sysdeps/microblaze/sigcontextinfo.h deleted file mode 100644 index de450ff8a..000000000 --- a/libpthread/linuxthreads/sysdeps/microblaze/sigcontextinfo.h +++ /dev/null @@ -1,17 +0,0 @@ -/* - * sysdeps/v850/sigcontextinfo.h -- v850-specific pthread signal definitions - * - * Copyright (C) 2002 NEC Electronics Corporation - * Copyright (C) 2002 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. - * - * Written by Miles Bader <miles@gnu.org> - */ - -#include <signal.h> - -#define SIGCONTEXT struct sigcontext * -#define SIGCONTEXT_EXTRA_ARGS |