3 files changed, 37 insertions, 0 deletions
diff --git a/linux/src/include/asm-i386/atomic.h b/linux/src/include/asm-i386/atomic.h
index 1b9d99f7..7e5dd06d 100644
--- a/linux/src/include/asm-i386/atomic.h
+++ b/linux/src/include/asm-i386/atomic.h
@@ -21,6 +21,8 @@
 
 typedef int atomic_t;
 
+#define atomic_read(v) (*v)
+
 static __inline__ void atomic_add(atomic_t i, atomic_t *v)
 {
 	__asm__ __volatile__(
diff --git a/linux/src/include/asm-i386/bitops.h b/linux/src/include/asm-i386/bitops.h
index d3ed1fb9..fc4cf192 100644
--- a/linux/src/include/asm-i386/bitops.h
+++ b/linux/src/include/asm-i386/bitops.h
@@ -61,6 +61,40 @@ extern __inline__ int change_bit(int nr, SMPVOL void * addr)
 	return oldbit;
 }
 
+extern __inline__ int test_and_set_bit(int nr, volatile void * addr)
+{
+	int oldbit;
+
+	__asm__ __volatile__( LOCK_PREFIX
+		"btsl %2,%1\n\tsbbl %0,%0"
+		:"=r" (oldbit),"=m" (ADDR)
+		:"Ir" (nr));
+	return oldbit;
+}
+
+extern __inline__ int test_and_clear_bit(int nr, volatile void * addr)
+{
+	int oldbit;
+
+	__asm__ __volatile__( LOCK_PREFIX
+		"btrl %2,%1\n\tsbbl %0,%0"
+		:"=r" (oldbit),"=m" (ADDR)
+		:"Ir" (nr));
+	return oldbit;
+}
+
+extern __inline__ int test_and_change_bit(int nr, volatile void * addr)
+{
+	int oldbit;
+
+	__asm__ __volatile__( LOCK_PREFIX
+		"btcl %2,%1\n\tsbbl %0,%0"
+		:"=r" (oldbit),"=m" (ADDR)
+		:"Ir" (nr));
+	return oldbit;
+}
+
+
 /*
  * This routine doesn't need to be atomic.
  */
diff --git a/linux/src/include/asm-i386/hardirq.h b/linux/src/include/asm-i386/hardirq.h
index 53396134..10dae416 100644
--- a/linux/src/include/asm-i386/hardirq.h
+++ b/linux/src/include/asm-i386/hardirq.h
@@ -4,6 +4,7 @@
 #include <linux/tasks.h>
 
 extern unsigned int local_irq_count[NR_CPUS];
+extern unsigned int local_bh_count[NR_CPUS];
 
 /*
  * Are we in an interrupt context? Either doing bottom half