From 51533b615e605d86154ec1b4e585c8ca1b0b15b7 Mon Sep 17 00:00:00 2001
From: Mikael Starvik <mikael.starvik@axis.com>
Date: Wed, 27 Jul 2005 11:44:44 -0700
Subject: [PATCH] CRIS update: new subarchitecture v32

New CRIS sub architecture named v32.

From: Dave Jones <davej@redhat.com>

	Fix swapped kmalloc args

Signed-off-by: Mikael Starvik <starvik@axis.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 include/asm-cris/arch-v32/atomic.h | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 include/asm-cris/arch-v32/atomic.h

(limited to 'include/asm-cris/arch-v32/atomic.h')

diff --git a/include/asm-cris/arch-v32/atomic.h b/include/asm-cris/arch-v32/atomic.h
new file mode 100644
index 00000000000..bbfb7a5ae31
--- /dev/null
+++ b/include/asm-cris/arch-v32/atomic.h
@@ -0,0 +1,36 @@
+#ifndef __ASM_CRIS_ARCH_ATOMIC__
+#define __ASM_CRIS_ARCH_ATOMIC__
+
+#include <asm/system.h>
+
+extern void cris_spin_unlock(void *l, int val);
+extern void cris_spin_lock(void *l);
+extern int cris_spin_trylock(void* l);
+
+#ifndef CONFIG_SMP
+#define cris_atomic_save(addr, flags) local_irq_save(flags);
+#define cris_atomic_restore(addr, flags) local_irq_restore(flags);
+#else
+
+extern spinlock_t cris_atomic_locks[];
+#define LOCK_COUNT 128
+#define HASH_ADDR(a) (((int)a) & 127)
+
+#define cris_atomic_save(addr, flags) \
+  local_irq_save(flags); \
+  cris_spin_lock((void*)&cris_atomic_locks[HASH_ADDR(addr)].lock);
+
+#define cris_atomic_restore(addr, flags) \
+  { \
+    spinlock_t *lock = (void*)&cris_atomic_locks[HASH_ADDR(addr)]; \
+    __asm__ volatile ("move.d %1,%0" \
+	                  : "=m" (lock->lock) \
+			  : "r" (1) \
+			  : "memory"); \
+    local_irq_restore(flags); \
+  }
+
+#endif
+
+#endif
+
-- 
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