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$NetBSD: patch-af,v 1.6 2001/06/25 19:28:42 jtb Exp $
--- /dev/null Sat Jun 23 16:44:55 2001
+++ config/unix/netbsd/rswitch.c.i386
@@ -0,0 +1,28 @@
+/*
+ * This is the co-expression context switch for the Intel 80386
+ * under Microport Unix System V/386
+ */
+
+/*
+ * coswitch
+ */
+
+coswitch(old_cs, new_cs, first)
+int *old_cs, *new_cs;
+int first;
+ {
+ asm(" movl 8(%ebp),%eax");
+ asm(" movl %esp,0(%eax)");
+ asm(" movl %ebp,4(%eax)");
+ asm(" movl 12(%ebp),%eax");
+ if (first == 0) { /* this is the first activation */
+ asm(" movl 0(%eax),%esp");
+ asm(" movl $0,%ebp");
+ new_context(0, 0);
+ syserr("interp() returned in coswitch");
+ }
+ else {
+ asm(" movl 0(%eax),%esp");
+ asm(" movl 4(%eax),%ebp");
+ }
+ }
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