from netbsd; Hand-code softintr()

diff --git a/sys/arch/i386/include/psl.h b/sys/arch/i386/include/psl.h
index 5274789..3d527e1 100644 (file)
--- a/sys/arch/i386/include/psl.h
+++ b/sys/arch/i386/include/psl.h
@@ -1,4 +1,4 @@
-/*     $NetBSD: psl.h,v 1.25 1996/01/07 03:59:32 mycroft Exp $ */
+/*     $NetBSD: psl.h,v 1.26 1996/01/07 21:48:35 mycroft Exp $ */
 
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
@@ -175,12 +175,21 @@ spllower(ncpl)
 
 /*
  * Software interrupt registration
+ *
+ * We hand-code this to ensure that it's atomic.
  */
-#define        softintr(n)     (ipending |= (1 << (n)))
+static __inline void
+softintr(mask)
+       register int mask;
+{
+
+       __asm __volatile("orl %0,_ipending" : : "ir" (mask));
+}
+
 #define        setsoftast()    (astpending = 1)
-#define        setsoftclock()  softintr(SIR_CLOCK)
-#define        setsoftnet()    softintr(SIR_NET)
-#define        setsofttty()    softintr(SIR_TTY)
+#define        setsoftclock()  softintr(1 << SIR_CLOCK)
+#define        setsoftnet()    softintr(1 << SIR_NET)
+#define        setsofttty()    softintr(1 << SIR_TTY)
 
 #endif /* !LOCORE */
 #endif /* _KERNEL */