diff options
Diffstat (limited to 'sys/arch/hppa/stand/boot/srt0.S')
-rw-r--r-- | sys/arch/hppa/stand/boot/srt0.S | 50 |
1 files changed, 39 insertions, 11 deletions
diff --git a/sys/arch/hppa/stand/boot/srt0.S b/sys/arch/hppa/stand/boot/srt0.S index a374eafd9d5..a42298f99f4 100644 --- a/sys/arch/hppa/stand/boot/srt0.S +++ b/sys/arch/hppa/stand/boot/srt0.S @@ -1,6 +1,35 @@ -/* $OpenBSD: srt0.S,v 1.3 1998/08/29 01:54:25 mickey Exp $ */ +/* $OpenBSD: srt0.S,v 1.4 1999/01/25 21:53:31 mickey Exp $ */ /* + * Copyright (c) 1998 Michael Shalayeff + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Michael Shalayeff. + * 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 1996 1995 by Open Software Foundation, Inc. * All Rights Reserved * @@ -36,12 +65,12 @@ #define _LOCORE #include <machine/iomod.h> - #include <machine/asm.h> /* + * This is the ending of the begin */ - ENTRY(begin) +ENTRY(begin) blr %r0,%r5 ; Get address of 'boff' into 'r5', ldo begin-boff(%r5),%r5 ; and subtract to get 'begin'. @@ -60,7 +89,7 @@ copyloop ; do stwm %r1,4(%r4) ; here we zero the .bss - ldil L%end, %r3 ; the end af all + ldil L%end, %r3 ; the end of all ldil L%__bss_start, %r4 ; .bss is here sub %r3,%r4,%r3 zeroloop @@ -100,31 +129,30 @@ loop addib,>,n -16,%r21,loop ; Decrement by cache line size (16). nop nop nop - EXIT(begin) /* jump to relocated code */ +EXIT(begin) /* jump to relocated code */ start ldil L%stack_base,%sp ldo R%stack_base(%sp),%sp dep %r0,31,6,%sp ; and ensure maximum alignment. + b boot ; Call boot(), copy %r0, arg0 ; use default boot device - b,n boot ; Call boot(), /* * rtt - restart the box */ - ENTRY(_rtt) - ldi CMD_RESET, %r26 +ENTRY(_rtt) ldil L%LBCAST_ADDR, %r25 - stw %r26,R%48(%r25) ; iomod->io_command + ldi CMD_RESET, %r26 + stw %r26,R%iomod_command(%r25) forever ; Loop until bus reset takes effect. b,n forever ldo -48(sp),sp - EXIT(_rtt) +EXIT(_rtt) .SPACE $PRIVATE$ -; .SUBSPA $GLOBAL$ .EXPORT $global$ $global$ .WORD 0 |