summaryrefslogtreecommitdiffstats
path: root/private/mvdm/softpc.new/base/ccpu386/xchg.c
diff options
context:
space:
mode:
Diffstat (limited to 'private/mvdm/softpc.new/base/ccpu386/xchg.c')
-rw-r--r--private/mvdm/softpc.new/base/ccpu386/xchg.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/private/mvdm/softpc.new/base/ccpu386/xchg.c b/private/mvdm/softpc.new/base/ccpu386/xchg.c
new file mode 100644
index 000000000..15c27842a
--- /dev/null
+++ b/private/mvdm/softpc.new/base/ccpu386/xchg.c
@@ -0,0 +1,53 @@
+/*[
+
+xchg.c
+
+LOCAL CHAR SccsID[]="@(#)xchg.c 1.5 02/09/94";
+
+XCHG CPU Functions.
+-------------------
+
+]*/
+
+
+#include <insignia.h>
+
+#include <host_def.h>
+#include <xt.h>
+#include <c_main.h>
+#include <c_addr.h>
+#include <c_bsic.h>
+#include <c_prot.h>
+#include <c_seg.h>
+#include <c_stack.h>
+#include <c_xcptn.h>
+#include <c_reg.h>
+#include <xchg.h>
+
+
+/*
+ =====================================================================
+ EXTERNAL ROUTINES START HERE
+ =====================================================================
+ */
+
+
+/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
+/* Generic - one size fits all 'xchg'. */
+/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
+GLOBAL VOID
+XCHG
+
+IFN2(
+ IU32 *, pop1, /* pntr to dst/lsrc operand */
+ IU32 *, pop2 /* pntr to dst/rsrc operand */
+ )
+
+
+ {
+ IU32 temp;
+
+ temp = *pop1;
+ *pop1 = *pop2;
+ *pop2 = temp;
+ }