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-rw-r--r--include/asm-microblaze/system.h161
1 files changed, 0 insertions, 161 deletions
diff --git a/include/asm-microblaze/system.h b/include/asm-microblaze/system.h
deleted file mode 100644
index 0297a11..0000000
--- a/include/asm-microblaze/system.h
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * include/asm-microblaze/system.h -- Low-level interrupt/thread ops
- *
- * Copyright (C) 2003 John Williams (jwilliams@itee.uq.edu.au)
- * based upon microblaze version
- * Copyright (C) 2001 NEC Corporation
- * Copyright (C) 2001 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- * Microblaze port by John Williams
- * Microblaze port by John Williams
- */
-
-#ifndef __MICROBLAZE_SYSTEM_H__
-#define __MICROBLAZE_SYSTEM_H__
-
-#if 0
-#include <linux/linkage.h>
-#endif
-#include <asm/ptrace.h>
-
-#define prepare_to_switch() do { } while (0)
-
-/*
- * switch_to(n) should switch tasks to task ptr, first checking that
- * ptr isn't the current task, in which case it does nothing.
- */
-struct thread_struct;
-extern void *switch_thread (struct thread_struct *last,
- struct thread_struct *next);
-#define switch_to(prev,next,last) do { \
- if (prev != next) { \
- (last) = switch_thread (&prev->thread, &next->thread); \
- } \
-} while (0)
-
-
-/* Enable/disable interrupts. */
-#define __sti() \
-{ \
- register unsigned tmp; \
- __asm__ __volatile__ (" \
- mfs %0, rmsr; \
- ori %0, %0, 2; \
- mts rmsr, %0" \
- : "=r" (tmp) \
- : \
- : "memory"); \
-}
-
-#define __cli() \
-{ \
- register unsigned tmp; \
- __asm__ __volatile__ (" \
- mfs %0, rmsr; \
- andi %0, %0, ~2; \
- mts rmsr, %0" \
- : "=r" (tmp) \
- : \
- : "memory"); \
-}
-
-#define __save_flags(flags) \
- __asm__ __volatile__ ("mfs %0, rmsr" : "=r" (flags))
-#define __restore_flags(flags) \
- __asm__ __volatile__ ("mts rmsr, %0" :: "r" (flags))
-
-#define __save_flags_cli(flags) \
-{ \
- register unsigned tmp; \
- __asm__ __volatile__ (" \
- mfs %0, rmsr; \
- andi %1, %0, ~2; \
- mts rmsr, %1;" \
- : "=r" (flags), "=r" (tmp) \
- : \
- : "memory"); \
-}
-
-#define __save_flags_sti(flags) \
-{ \
- register unsigned tmp; \
- __asm__ __volatile__ (" \
- mfs %0, rmsr; \
- ori %1, %0, 2; \
- mts rmsr, %1;" \
- : "=r" (flags) ,"=r" (tmp) \
- : \
- : "memory"); \
-}
-
-/* For spinlocks etc */
-#define local_irq_save(flags) __save_flags_cli (flags)
-#define local_irq_set(flags) __save_flags_sti (flags)
-#define local_irq_restore(flags) __restore_flags (flags)
-#define local_irq_disable() __cli ()
-#define local_irq_enable() __sti ()
-
-#define cli() __cli ()
-#define sti() __sti ()
-#define save_flags(flags) __save_flags (flags)
-#define restore_flags(flags) __restore_flags (flags)
-#define save_flags_cli(flags) __save_flags_cli (flags)
-
-/*
- * Force strict CPU ordering.
- * Not really required on microblaze...
- */
-#define nop() __asm__ __volatile__ ("nop")
-#define mb() __asm__ __volatile__ ("nop" ::: "memory")
-#define rmb() mb ()
-#define wmb() mb ()
-#define set_mb(var, value) do { var = value; mb(); } while (0)
-#define set_wmb(var, value) do { var = value; wmb (); } while (0)
-
-#ifdef CONFIG_SMP
-#define smp_mb() mb ()
-#define smp_rmb() rmb ()
-#define smp_wmb() wmb ()
-#else
-#define smp_mb() barrier ()
-#define smp_rmb() barrier ()
-#define smp_wmb() barrier ()
-#endif
-
-#define xchg(ptr, with) \
- ((__typeof__ (*(ptr)))__xchg ((unsigned long)(with), (ptr), sizeof (*(ptr))))
-#define tas(ptr) (xchg ((ptr), 1))
-
-extern inline unsigned long __xchg (unsigned long with,
- __volatile__ void *ptr, int size)
-{
- unsigned long tmp, flags;
-
- save_flags_cli (flags);
-
- switch (size) {
- case 1:
- tmp = *(unsigned char *)ptr;
- *(unsigned char *)ptr = with;
- break;
- case 2:
- tmp = *(unsigned short *)ptr;
- *(unsigned short *)ptr = with;
- break;
- case 4:
- tmp = *(unsigned long *)ptr;
- *(unsigned long *)ptr = with;
- break;
- }
-
- restore_flags (flags);
-
- return tmp;
-}
-
-#endif /* __MICROBLAZE_SYSTEM_H__ */