Initial import of mvmeppc.

1 files changed, 90 insertions, 0 deletions

diff --git a/sys/arch/mvmeppc/stand/libsa/SRT0.S b/sys/arch/mvmeppc/stand/libsa/SRT0.S
new file mode 100644
index 00000000000..82cf7c28ffd
--- /dev/null
+++ b/sys/arch/mvmeppc/stand/libsa/SRT0.S
@@ -0,0 +1,90 @@
+;	$OpenBSD: SRT0.S,v 1.1 2001/06/26 21:58:07 smurph Exp $
+
+; Copyright (c) 1996 Nivas Madhur
+; Copyright (c) 1995 Theo de Raadt
+; 
+; 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.
+; 3. All advertising materials mentioning features or use of this software
+;    must display the following acknowledgement:
+;	This product includes software developed under OpenBSD by
+;	Theo de Raadt for Willowglen Singapore.
+; 4. The name of the author may not be used to endorse or promote products
+;    derived from this software without specific prior written permission.
+;
+; THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+;
+; Copyright (c) 1995 Gordon W. Ross
+; 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.
+; 3. The name of the author may not be used to endorse or promote products
+;    derived from this software without specific prior written permission.
+; 4. All advertising materials mentioning features or use of this software
+;    must display the following acknowledgement:
+;      This product includes software developed by Gordon Ross
+;
+; THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+
+;	SRT0.S - Stand-alone Run-Time startup code, part 0
+		.file	"SRT0.S"
+		.text
+		.globl	_stack
+_stack:
+		.globl	_start
+_start:
+		.word	__estack
+		.word	_start
+
+		align	8
+		or.u	r10, r0, hi16(_devlun)
+		st	r2,  r0, lo16(_devlun)
+		or.u	r10, r0, hi16(_ctrlun)
+		st	r3,  r0, lo16(_ctrlun)
+		or.u	r10, r0, hi16(_oparg)
+		st	r8,  r0, lo16(_oparg)
+		or.u	r10, r0, hi16(_opargend)
+		st	r9,  r0, lo16(_opargend)
+;	enable SFU1 - 88k disables SFU1 on a reset
+		ldcr	r10, cr1
+		xor	r10, r10, 0x8
+		stcr	r10, cr1
+
+;	Call the run-time startup C code, which will:
+;	call main & call exit - exit passes control back to
+;	to the Bug.
+		bsr	__start
+
+; The end.