Fake PAL Code for SKI.

1 files changed, 58 insertions, 0 deletions

diff --git a/sys/ia64/ia64/pal_stub.s b/sys/ia64/ia64/pal_stub.s
new file mode 100644
index 0000000..dcaf3b3
--- /dev/null
+++ b/sys/ia64/ia64/pal_stub.s
@@ -0,0 +1,58 @@
+/*-
+ * Copyright (c) 2001 Doug Rabson
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	$FreeBSD$
+ */
+
+#include <machine/asm.h>
+#include <assym.s>
+
+/*
+ * Stub for running in simulation. Fakes the values from an SDV.
+ */
+ENTRY(ski_fake_pal, 0)
+
+	mov	r8=-3			// default to return error
+
+	cmp.eq	p6,p0=PAL_PTCE_INFO,r28
+	;;
+(p6)	mov	r8=0
+(p6)	movl	r9=0
+(p6)	movl	r10=0x100000001
+(p6)	movl	r11=0
+	;;
+	cmp.eq	p6,p0=PAL_FREQ_RATIOS,r28
+	;;
+(p6)	mov	r8=0
+(p6)	movl	r9=0xb00000002		// proc 11/1
+(p6)	movl	r10=0x100000001		// bus 1/1
+(p6)	movl	r11=0xb00000002		// itc 11/1
+	;;
+	tbit.nz	p6,p7=r28,8		// static or stacked?
+	;;
+(p6)	br.ret.sptk.few rp
+(p7)	br.cond.sptk.few rp
+
+END(ski_fake_pal)