From 74a4d8c26dd3c1e9febcb717cfd6cb6512991a7a Mon Sep 17 00:00:00 2001
From: "Charles.Forsyth" <devnull@localhost>
Date: Fri, 22 Dec 2006 21:39:35 +0000
Subject: 20060303

---
 os/cerf405/compile.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 os/cerf405/compile.c

(limited to 'os/cerf405/compile.c')

diff --git a/os/cerf405/compile.c b/os/cerf405/compile.c
new file mode 100644
index 00000000..da9976f2
--- /dev/null
+++ b/os/cerf405/compile.c
@@ -0,0 +1,34 @@
+#include	"u.h"
+#include	"../port/lib.h"
+#include	"mem.h"
+#include	"dat.h"
+#include	"fns.h"
+#include	"io.h"
+
+#define	MAXDCR	0x220
+
+#define	DCRF(n)	((((n)>>5)&0x1F)|(((n)&0x1F)<<5))
+#define	MTDCR(s,n)	((31<<26)|((s)<<21)|(DCRF(n)<<11)|(451<<1))
+#define	MFDCR(n,t)	((31<<26)|((t)<<21)|(DCRF(n)<<11)|(323<<1))
+#define	RETURN	0x4e800020
+ulong	_getdcr[MAXDCR][2];
+ulong	_putdcr[MAXDCR][2];
+
+void
+compiledcr(void)
+{
+	ulong *p;
+	int i;
+
+	for(i=0; i<MAXDCR; i++){
+		p = _getdcr[i];
+		p[0] = MFDCR(i, 3);
+		p[1] = RETURN;
+		p = _putdcr[i];
+		p[0] = MTDCR(3, i);
+		p[1] = RETURN;
+	}
+	dcflush(_getdcr, sizeof(_getdcr));
+	dcflush(_putdcr, sizeof(_putdcr));
+	/* no need to flush icache since they won't be there */
+}
-- 
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