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Diffstat (limited to 'include/asm-v850/system.h')
-rw-r--r--include/asm-v850/system.h123
1 files changed, 0 insertions, 123 deletions
diff --git a/include/asm-v850/system.h b/include/asm-v850/system.h
deleted file mode 100644
index 7daf1fdee11..00000000000
--- a/include/asm-v850/system.h
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * include/asm-v850/system.h -- Low-level interrupt/thread ops
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 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>
- */
-
-#ifndef __V850_SYSTEM_H__
-#define __V850_SYSTEM_H__
-
-#include <linux/linkage.h>
-#include <asm/ptrace.h>
-
-
-/*
- * 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 local_irq_enable() __asm__ __volatile__ ("ei")
-#define local_irq_disable() __asm__ __volatile__ ("di")
-
-#define local_save_flags(flags) \
- __asm__ __volatile__ ("stsr %1, %0" : "=r" (flags) : "i" (SR_PSW))
-#define local_restore_flags(flags) \
- __asm__ __volatile__ ("ldsr %0, %1" :: "r" (flags), "i" (SR_PSW))
-
-/* For spinlocks etc */
-#define local_irq_save(flags) \
- do { local_save_flags (flags); local_irq_disable (); } while (0)
-#define local_irq_restore(flags) \
- local_restore_flags (flags);
-
-
-static inline int irqs_disabled (void)
-{
- unsigned flags;
- local_save_flags (flags);
- return !!(flags & 0x20);
-}
-
-
-/*
- * Force strict CPU ordering.
- * Not really required on v850...
- */
-#define nop() __asm__ __volatile__ ("nop")
-#define mb() __asm__ __volatile__ ("" ::: "memory")
-#define rmb() mb ()
-#define wmb() mb ()
-#define read_barrier_depends() ((void)0)
-#define set_mb(var, value) do { xchg (&var, value); } while (0)
-
-#define smp_mb() mb ()
-#define smp_rmb() rmb ()
-#define smp_wmb() wmb ()
-#define smp_read_barrier_depends() read_barrier_depends()
-
-#define xchg(ptr, with) \
- ((__typeof__ (*(ptr)))__xchg ((unsigned long)(with), (ptr), sizeof (*(ptr))))
-
-static inline unsigned long __xchg (unsigned long with,
- __volatile__ void *ptr, int size)
-{
- unsigned long tmp, flags;
-
- local_irq_save (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;
- }
-
- local_irq_restore (flags);
-
- return tmp;
-}
-
-#include <asm-generic/cmpxchg-local.h>
-
-/*
- * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
- * them available.
- */
-#define cmpxchg_local(ptr, o, n) \
- ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\
- (unsigned long)(n), sizeof(*(ptr))))
-#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
-
-#ifndef CONFIG_SMP
-#include <asm-generic/cmpxchg.h>
-#endif
-
-#define arch_align_stack(x) (x)
-
-#endif /* __V850_SYSTEM_H__ */