MIPS: Move headfiles to new location below arch/mips/include

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 0 insertions, 376 deletions

diff --git a/include/asm-mips/spinlock.h b/include/asm-mips/spinlock.h
deleted file mode 100644
index bb897016c491..000000000000
--- a/include/asm-mips/spinlock.h
+++ /dev/null
@@ -1,376 +0,0 @@
-/*
- * 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.
- *
- * Copyright (C) 1999, 2000, 06 Ralf Baechle (ralf@linux-mips.org)
- * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
- */
-#ifndef _ASM_SPINLOCK_H
-#define _ASM_SPINLOCK_H
-
-#include <asm/barrier.h>
-#include <asm/war.h>
-
-/*
- * Your basic SMP spinlocks, allowing only a single CPU anywhere
- */
-
-#define __raw_spin_is_locked(x)       ((x)->lock != 0)
-#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
-#define __raw_spin_unlock_wait(x) \
-	do { cpu_relax(); } while ((x)->lock)
-
-/*
- * Simple spin lock operations.  There are two variants, one clears IRQ's
- * on the local processor, one does not.
- *
- * We make no fairness assumptions.  They have a cost.
- */
-
-static inline void __raw_spin_lock(raw_spinlock_t *lock)
-{
-	unsigned int tmp;
-
-	if (R10000_LLSC_WAR) {
-		__asm__ __volatile__(
-		"	.set	noreorder	# __raw_spin_lock	\n"
-		"1:	ll	%1, %2					\n"
-		"	bnez	%1, 1b					\n"
-		"	 li	%1, 1					\n"
-		"	sc	%1, %0					\n"
-		"	beqzl	%1, 1b					\n"
-		"	 nop						\n"
-		"	.set	reorder					\n"
-		: "=m" (lock->lock), "=&r" (tmp)
-		: "m" (lock->lock)
-		: "memory");
-	} else {
-		__asm__ __volatile__(
-		"	.set	noreorder	# __raw_spin_lock	\n"
-		"1:	ll	%1, %2					\n"
-		"	bnez	%1, 2f					\n"
-		"	 li	%1, 1					\n"
-		"	sc	%1, %0					\n"
-		"	beqz	%1, 2f					\n"
-		"	 nop						\n"
-		"	.subsection 2					\n"
-		"2:	ll	%1, %2					\n"
-		"	bnez	%1, 2b					\n"
-		"	 li	%1, 1					\n"
-		"	b	1b					\n"
-		"	 nop						\n"
-		"	.previous					\n"
-		"	.set	reorder					\n"
-		: "=m" (lock->lock), "=&r" (tmp)
-		: "m" (lock->lock)
-		: "memory");
-	}
-
-	smp_llsc_mb();
-}
-
-static inline void __raw_spin_unlock(raw_spinlock_t *lock)
-{
-	smp_mb();
-
-	__asm__ __volatile__(
-	"	.set	noreorder	# __raw_spin_unlock	\n"
-	"	sw	$0, %0					\n"
-	"	.set\treorder					\n"
-	: "=m" (lock->lock)
-	: "m" (lock->lock)
-	: "memory");
-}
-
-static inline unsigned int __raw_spin_trylock(raw_spinlock_t *lock)
-{
-	unsigned int temp, res;
-
-	if (R10000_LLSC_WAR) {
-		__asm__ __volatile__(
-		"	.set	noreorder	# __raw_spin_trylock	\n"
-		"1:	ll	%0, %3					\n"
-		"	ori	%2, %0, 1				\n"
-		"	sc	%2, %1					\n"
-		"	beqzl	%2, 1b					\n"
-		"	 nop						\n"
-		"	andi	%2, %0, 1				\n"
-		"	.set	reorder"
-		: "=&r" (temp), "=m" (lock->lock), "=&r" (res)
-		: "m" (lock->lock)
-		: "memory");
-	} else {
-		__asm__ __volatile__(
-		"	.set	noreorder	# __raw_spin_trylock	\n"
-		"1:	ll	%0, %3					\n"
-		"	ori	%2, %0, 1				\n"
-		"	sc	%2, %1					\n"
-		"	beqz	%2, 2f					\n"
-		"	 andi	%2, %0, 1				\n"
-		"	.subsection 2					\n"
-		"2:	b	1b					\n"
-		"	 nop						\n"
-		"	.previous					\n"
-		"	.set	reorder"
-		: "=&r" (temp), "=m" (lock->lock), "=&r" (res)
-		: "m" (lock->lock)
-		: "memory");
-	}
-
-	smp_llsc_mb();
-
-	return res == 0;
-}
-
-/*
- * Read-write spinlocks, allowing multiple readers but only one writer.
- *
- * NOTE! it is quite common to have readers in interrupts but no interrupt
- * writers. For those circumstances we can "mix" irq-safe locks - any writer
- * needs to get a irq-safe write-lock, but readers can get non-irqsafe
- * read-locks.
- */
-
-/*
- * read_can_lock - would read_trylock() succeed?
- * @lock: the rwlock in question.
- */
-#define __raw_read_can_lock(rw)	((rw)->lock >= 0)
-
-/*
- * write_can_lock - would write_trylock() succeed?
- * @lock: the rwlock in question.
- */
-#define __raw_write_can_lock(rw)	(!(rw)->lock)
-
-static inline void __raw_read_lock(raw_rwlock_t *rw)
-{
-	unsigned int tmp;
-
-	if (R10000_LLSC_WAR) {
-		__asm__ __volatile__(
-		"	.set	noreorder	# __raw_read_lock	\n"
-		"1:	ll	%1, %2					\n"
-		"	bltz	%1, 1b					\n"
-		"	 addu	%1, 1					\n"
-		"	sc	%1, %0					\n"
-		"	beqzl	%1, 1b					\n"
-		"	 nop						\n"
-		"	.set	reorder					\n"
-		: "=m" (rw->lock), "=&r" (tmp)
-		: "m" (rw->lock)
-		: "memory");
-	} else {
-		__asm__ __volatile__(
-		"	.set	noreorder	# __raw_read_lock	\n"
-		"1:	ll	%1, %2					\n"
-		"	bltz	%1, 2f					\n"
-		"	 addu	%1, 1					\n"
-		"	sc	%1, %0					\n"
-		"	beqz	%1, 1b					\n"
-		"	 nop						\n"
-		"	.subsection 2					\n"
-		"2:	ll	%1, %2					\n"
-		"	bltz	%1, 2b					\n"
-		"	 addu	%1, 1					\n"
-		"	b	1b					\n"
-		"	 nop						\n"
-		"	.previous					\n"
-		"	.set	reorder					\n"
-		: "=m" (rw->lock), "=&r" (tmp)
-		: "m" (rw->lock)
-		: "memory");
-	}
-
-	smp_llsc_mb();
-}
-
-/* Note the use of sub, not subu which will make the kernel die with an
-   overflow exception if we ever try to unlock an rwlock that is already
-   unlocked or is being held by a writer.  */
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
-{
-	unsigned int tmp;
-
-	smp_llsc_mb();
-
-	if (R10000_LLSC_WAR) {
-		__asm__ __volatile__(
-		"1:	ll	%1, %2		# __raw_read_unlock	\n"
-		"	sub	%1, 1					\n"
-		"	sc	%1, %0					\n"
-		"	beqzl	%1, 1b					\n"
-		: "=m" (rw->lock), "=&r" (tmp)
-		: "m" (rw->lock)
-		: "memory");
-	} else {
-		__asm__ __volatile__(
-		"	.set	noreorder	# __raw_read_unlock	\n"
-		"1:	ll	%1, %2					\n"
-		"	sub	%1, 1					\n"
-		"	sc	%1, %0					\n"
-		"	beqz	%1, 2f					\n"
-		"	 nop						\n"
-		"	.subsection 2					\n"
-		"2:	b	1b					\n"
-		"	 nop						\n"
-		"	.previous					\n"
-		"	.set	reorder					\n"
-		: "=m" (rw->lock), "=&r" (tmp)
-		: "m" (rw->lock)
-		: "memory");
-	}
-}
-
-static inline void __raw_write_lock(raw_rwlock_t *rw)
-{
-	unsigned int tmp;
-
-	if (R10000_LLSC_WAR) {
-		__asm__ __volatile__(
-		"	.set	noreorder	# __raw_write_lock	\n"
-		"1:	ll	%1, %2					\n"
-		"	bnez	%1, 1b					\n"
-		"	 lui	%1, 0x8000				\n"
-		"	sc	%1, %0					\n"
-		"	beqzl	%1, 1b					\n"
-		"	 nop						\n"
-		"	.set	reorder					\n"
-		: "=m" (rw->lock), "=&r" (tmp)
-		: "m" (rw->lock)
-		: "memory");
-	} else {
-		__asm__ __volatile__(
-		"	.set	noreorder	# __raw_write_lock	\n"
-		"1:	ll	%1, %2					\n"
-		"	bnez	%1, 2f					\n"
-		"	 lui	%1, 0x8000				\n"
-		"	sc	%1, %0					\n"
-		"	beqz	%1, 2f					\n"
-		"	 nop						\n"
-		"	.subsection 2					\n"
-		"2:	ll	%1, %2					\n"
-		"	bnez	%1, 2b					\n"
-		"	 lui	%1, 0x8000				\n"
-		"	b	1b					\n"
-		"	 nop						\n"
-		"	.previous					\n"
-		"	.set	reorder					\n"
-		: "=m" (rw->lock), "=&r" (tmp)
-		: "m" (rw->lock)
-		: "memory");
-	}
-
-	smp_llsc_mb();
-}
-
-static inline void __raw_write_unlock(raw_rwlock_t *rw)
-{
-	smp_mb();
-
-	__asm__ __volatile__(
-	"				# __raw_write_unlock	\n"
-	"	sw	$0, %0					\n"
-	: "=m" (rw->lock)
-	: "m" (rw->lock)
-	: "memory");
-}
-
-static inline int __raw_read_trylock(raw_rwlock_t *rw)
-{
-	unsigned int tmp;
-	int ret;
-
-	if (R10000_LLSC_WAR) {
-		__asm__ __volatile__(
-		"	.set	noreorder	# __raw_read_trylock	\n"
-		"	li	%2, 0					\n"
-		"1:	ll	%1, %3					\n"
-		"	bltz	%1, 2f					\n"
-		"	 addu	%1, 1					\n"
-		"	sc	%1, %0					\n"
-		"	.set	reorder					\n"
-		"	beqzl	%1, 1b					\n"
-		"	 nop						\n"
-		__WEAK_LLSC_MB
-		"	li	%2, 1					\n"
-		"2:							\n"
-		: "=m" (rw->lock), "=&r" (tmp), "=&r" (ret)
-		: "m" (rw->lock)
-		: "memory");
-	} else {
-		__asm__ __volatile__(
-		"	.set	noreorder	# __raw_read_trylock	\n"
-		"	li	%2, 0					\n"
-		"1:	ll	%1, %3					\n"
-		"	bltz	%1, 2f					\n"
-		"	 addu	%1, 1					\n"
-		"	sc	%1, %0					\n"
-		"	beqz	%1, 1b					\n"
-		"	 nop						\n"
-		"	.set	reorder					\n"
-		__WEAK_LLSC_MB
-		"	li	%2, 1					\n"
-		"2:							\n"
-		: "=m" (rw->lock), "=&r" (tmp), "=&r" (ret)
-		: "m" (rw->lock)
-		: "memory");
-	}
-
-	return ret;
-}
-
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
-{
-	unsigned int tmp;
-	int ret;
-
-	if (R10000_LLSC_WAR) {
-		__asm__ __volatile__(
-		"	.set	noreorder	# __raw_write_trylock	\n"
-		"	li	%2, 0					\n"
-		"1:	ll	%1, %3					\n"
-		"	bnez	%1, 2f					\n"
-		"	 lui	%1, 0x8000				\n"
-		"	sc	%1, %0					\n"
-		"	beqzl	%1, 1b					\n"
-		"	 nop						\n"
-		__WEAK_LLSC_MB
-		"	li	%2, 1					\n"
-		"	.set	reorder					\n"
-		"2:							\n"
-		: "=m" (rw->lock), "=&r" (tmp), "=&r" (ret)
-		: "m" (rw->lock)
-		: "memory");
-	} else {
-		__asm__ __volatile__(
-		"	.set	noreorder	# __raw_write_trylock	\n"
-		"	li	%2, 0					\n"
-		"1:	ll	%1, %3					\n"
-		"	bnez	%1, 2f					\n"
-		"	lui	%1, 0x8000				\n"
-		"	sc	%1, %0					\n"
-		"	beqz	%1, 3f					\n"
-		"	 li	%2, 1					\n"
-		"2:							\n"
-		__WEAK_LLSC_MB
-		"	.subsection 2					\n"
-		"3:	b	1b					\n"
-		"	 li	%2, 0					\n"
-		"	.previous					\n"
-		"	.set	reorder					\n"
-		: "=m" (rw->lock), "=&r" (tmp), "=&r" (ret)
-		: "m" (rw->lock)
-		: "memory");
-	}
-
-	return ret;
-}
-
-
-#define _raw_spin_relax(lock)	cpu_relax()
-#define _raw_read_relax(lock)	cpu_relax()
-#define _raw_write_relax(lock)	cpu_relax()
-
-#endif /* _ASM_SPINLOCK_H */