[ubicom32] remove target

[openwrt/svn-archive/archive.git] / target / linux / ubicom32 / files / arch / ubicom32 / include / asm / system.h

diff --git a/target/linux/ubicom32/files/arch/ubicom32/include/asm/system.h b/target/linux/ubicom32/files/arch/ubicom32/include/asm/system.h
deleted file mode 100644 (file)
index c3ec608..0000000
--- a/target/linux/ubicom32/files/arch/ubicom32/include/asm/system.h
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * arch/ubicom32/include/asm/system.h
- *   Low level switching definitions.
- *
- * (C) Copyright 2009, Ubicom, Inc.
- *
- * This file is part of the Ubicom32 Linux Kernel Port.
- *
- * The Ubicom32 Linux Kernel Port is free software: you can redistribute
- * it and/or modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 2 of the
- * License, or (at your option) any later version.
- *
- * The Ubicom32 Linux Kernel Port 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Ubicom32 Linux Kernel Port.  If not,
- * see <http://www.gnu.org/licenses/>.
- *
- * Ubicom32 implementation derived from (with many thanks):
- *   arch/m68knommu
- *   arch/blackfin
- *   arch/parisc
- */
-#ifndef _ASM_UBICOM32_SYSTEM_H
-#define _ASM_UBICOM32_SYSTEM_H
-
-#include <linux/irqflags.h>
-#include <linux/linkage.h>
-#include <asm/segment.h>
-#include <asm/entry.h>
-#include <asm/ldsr.h>
-#include <asm/irq.h>
-#include <asm/percpu.h>
-#include <asm/ubicom32-common.h>
-#include <asm/processor.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.
- */
-asmlinkage void resume(void);
-extern void *__switch_to(struct task_struct *prev,
-               struct thread_struct *prev_switch,
-               struct thread_struct *next_switch);
-
-/*
- * We will need a per linux thread sw_ksp for the switch_to macro to
- * track the kernel stack pointer for the current thread on that linux thread.
- */
-#define switch_to(prev,next,last)                                      \
-({                                                                     \
-       void *_last;                                                    \
-       _last = (void *)                                                \
-               __switch_to(prev, &prev->thread, &next->thread);        \
-       (last) = _last;                                                 \
-})
-
-/*
- * Force strict CPU ordering.
- * Not really required on ubicom32...
- */
-#define nop()  asm volatile ("nop"::)
-#define mb()   asm volatile (""   : : :"memory")
-#define rmb()  asm volatile (""   : : :"memory")
-#define wmb()  asm volatile (""   : : :"memory")
-#define set_mb(var, value)     ({ (var) = (value); wmb(); })
-
-#ifdef CONFIG_SMP
-#define smp_mb()       mb()
-#define smp_rmb()      rmb()
-#define smp_wmb()      wmb()
-#define smp_read_barrier_depends()     read_barrier_depends()
-#else
-#define smp_mb()       mb()
-#define smp_rmb()      rmb()
-#define smp_wmb()      wmb()
-#define smp_read_barrier_depends()     do { } while(0)
-#endif
-
-#define read_barrier_depends()  ((void)0)
-
-/*
- * The following defines change how the scheduler calls the switch_to()
- * macro.
- *
- * 1) The first causes the runqueue to be unlocked on entry to
- * switch_to().  Since our ctx code does not play with the runqueue
- * we do not need it unlocked.
- *
- * 2) The later turns interrupts on during a ctxsw to reduce the latency of
- * interrupts during ctx.  At this point in the port, we believe that this
- * latency is not a problem since we have very little code to perform a ctxsw.
- */
-// #define __ARCH_WANT_UNLOCKED_CTXSW
-// #define __ARCH_WANT_INTERRUPTS_ON_CTXSW
-
-#endif /* _ASM_UBICOM32_SYSTEM_H */