[MINIOS] A first step to re-architecture mini-os for a port to ia64.

Create architecture specific directories below mini-os for sources
and below mini-os/include for headers.

Signed-off-by: Dietmar Hahn <dietmar.hahn@fujitsu-siemens.com>

1 files changed, 0 insertions, 121 deletions

diff --git a/extras/mini-os/include/spinlock.h b/extras/mini-os/include/spinlock.h
deleted file mode 100644
index 4274cd2869..0000000000
--- a/extras/mini-os/include/spinlock.h
+++ /dev/null
@@ -1,121 +0,0 @@
-#ifndef __ASM_SPINLOCK_H
-#define __ASM_SPINLOCK_H
-
-#include <lib.h>
-
-/*
- * Your basic SMP spinlocks, allowing only a single CPU anywhere
- */
-
-typedef struct {
-	volatile unsigned int slock;
-} spinlock_t;
-
-#define SPINLOCK_MAGIC	0xdead4ead
-
-#define SPIN_LOCK_UNLOCKED (spinlock_t) { 1 }
-
-#define spin_lock_init(x)	do { *(x) = SPIN_LOCK_UNLOCKED; } while(0)
-
-/*
- * 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.
- */
-
-#define spin_is_locked(x)	(*(volatile signed char *)(&(x)->slock) <= 0)
-#define spin_unlock_wait(x)	do { barrier(); } while(spin_is_locked(x))
-
-#define spin_lock_string \
-        "1:\n" \
-	LOCK \
-	"decb %0\n\t" \
-	"jns 3f\n" \
-	"2:\t" \
-	"rep;nop\n\t" \
-	"cmpb $0,%0\n\t" \
-	"jle 2b\n\t" \
-	"jmp 1b\n" \
-	"3:\n\t"
-
-#define spin_lock_string_flags \
-        "1:\n" \
-	LOCK \
-	"decb %0\n\t" \
-	"jns 4f\n\t" \
-	"2:\t" \
-	"testl $0x200, %1\n\t" \
-	"jz 3f\n\t" \
-	"#sti\n\t" \
-	"3:\t" \
-	"rep;nop\n\t" \
-	"cmpb $0, %0\n\t" \
-	"jle 3b\n\t" \
-	"#cli\n\t" \
-	"jmp 1b\n" \
-	"4:\n\t"
-
-/*
- * This works. Despite all the confusion.
- * (except on PPro SMP or if we are using OOSTORE)
- * (PPro errata 66, 92)
- */
-
-#define spin_unlock_string \
-	"xchgb %b0, %1" \
-		:"=q" (oldval), "=m" (lock->slock) \
-		:"0" (oldval) : "memory"
-
-static inline void _raw_spin_unlock(spinlock_t *lock)
-{
-	char oldval = 1;
-	__asm__ __volatile__(
-		spin_unlock_string
-	);
-}
-
-static inline int _raw_spin_trylock(spinlock_t *lock)
-{
-	char oldval;
-	__asm__ __volatile__(
-		"xchgb %b0,%1\n"
-		:"=q" (oldval), "=m" (lock->slock)
-		:"0" (0) : "memory");
-	return oldval > 0;
-}
-
-static inline void _raw_spin_lock(spinlock_t *lock)
-{
-	__asm__ __volatile__(
-		spin_lock_string
-		:"=m" (lock->slock) : : "memory");
-}
-
-static inline void _raw_spin_lock_flags (spinlock_t *lock, unsigned long flags)
-{
-	__asm__ __volatile__(
-		spin_lock_string_flags
-		:"=m" (lock->slock) : "r" (flags) : "memory");
-}
-
-#define _spin_trylock(lock)     ({_raw_spin_trylock(lock) ? \
-                                1 : ({ 0;});})
-
-#define _spin_lock(lock)        \
-do {                            \
-        _raw_spin_lock(lock);   \
-} while(0)
-
-#define _spin_unlock(lock)      \
-do {                            \
-        _raw_spin_unlock(lock); \
-} while (0)
-
-
-#define spin_lock(lock)       _spin_lock(lock)
-#define spin_unlock(lock)       _spin_unlock(lock)
-
-#define DEFINE_SPINLOCK(x) spinlock_t x = SPIN_LOCK_UNLOCKED
-
-#endif