fix comment, Name server is two words

[unix-history] / usr / src / sys / vax / stand / srt0.c

diff --git a/usr/src/sys/vax/stand/srt0.c b/usr/src/sys/vax/stand/srt0.c
index 0bf8aa2..045d8f0 100644 (file)
--- a/usr/src/sys/vax/stand/srt0.c
+++ b/usr/src/sys/vax/stand/srt0.c
@@ -1,32 +1,118 @@
-#      srt0.c  1.1     %G%
+/*
+ * Copyright (c) 1982 Regents of the University of California.
+ * All rights reserved.  The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ *
+ *     @(#)srt0.c      6.4 (Berkeley) %G%
+ */

 
 

-# Startup code for standalone system
-# Non-relocating version -- for programs which are loaded by boot
+#include "../vax/mtpr.h"
+#define        LOCORE
+#include "../vax/cpu.h"
+
+/*
+ * Startup code for standalone system
+ * Non-relocating version -- for programs which are loaded by boot
+ * Relocating version for boot*
+ */

 
        .globl  _end
 
        .globl  _end

+       .globl  _edata

        .globl  _main
        .globl  __rtt
        .globl  _main
        .globl  __rtt

-       .globl  _edata
-
-       .set    PHYSUBA,0x20006000      # uba 0
-       .set    PHYSMBA0,0x20010000     # mba 0
-       .set    PHYSMBA1,0x20012000     # mba 1
-       .set    PHYSUMEM,0x2013e000     # unibus memory
+       .globl  _configure
+       .globl  _cpu
+       .globl  _openfirst

 
        .set    HIGH,31         # mask for total disable
 
 
        .set    HIGH,31         # mask for total disable
 

+entry: .globl  entry

        .word   0x0
        mtpr    $HIGH,$IPL              # just in case
        .word   0x0
        mtpr    $HIGH,$IPL              # just in case

-       movl    $1,PHYSMBA0+4           # init
-       movl    $1,PHYSMBA1+4           # init
-       movl    $1,PHYSUBA+4            # init
-       subl3   $_edata,$RELOC-0x2000,r0
-       movc5   $0,(sp),$0,r0,_edata
+#ifdef REL
+       movl    $RELOC,sp
+#else
+       movl    $RELOC-0x2400,sp
+#endif

 start:
 start:

-       movl    $RELOC-0x2000,sp
+       movl    aedata,r0
+clr:
+       clrl    (r0)+
+       cmpl    r0,sp
+       jlss    clr
+#ifdef REL
+       movc3   aedata,*$0,(sp)
+/*
+ * Reclear bss segment separately from text and data
+ * since movc3 can't move more than 64K bytes
+ */
+dclr:
+       clrl    (r3)+
+       cmpl    r3,$_end
+       jlss    dclr
+/* this loop shouldn't be necessary, but is when booting from an ra81 */
+xclr:  
+       clrl    (r3)+
+       cmpl    r3,$0x100000
+       jlss    xclr
+       jmp     *abegin
+begin:
+#endif
+       mtpr    $0,$SCBB
+       calls   $0,_configure
+       movl    $1,_openfirst

        calls   $0,_main
        calls   $0,_main

+#ifndef TP

        jmp     start
        jmp     start

+#else
+       ret
+#endif
+
+       .data
+#ifdef REL
+abegin:        .long   begin
+aedata:        .long   _edata-RELOC
+#else
+aedata:        .long   _edata
+#endif

 
 __rtt:
        .word   0x0
 
 __rtt:
        .word   0x0

+#ifdef REL
+       halt
+#else

        jmp     start
        jmp     start

+#endif
+
+       .globl  _badloc
+_badloc:
+       .word   0
+       movl    $1,r0
+       movl    4(ap),r3
+       movl    $4,r2
+       movab   9f,(r2)
+       tstl    (r3)
+1:     clrl    r0                      # made it w/o machine checks
+2:     movl    $4,r2
+       clrl    (r2)
+       ret
+       .align  2
+9:
+       casel   _cpu,$1,$VAX_MAX
+0:
+       .word   8f-0b           # 1 is 780
+       .word   5f-0b           # 2 is 750
+       .word   5f-0b           # 3 is 730
+       .word   6f-0b           # 4 is 8600
+5:
+       mtpr    $0xf,$MCESR
+       brb     1f
+6:
+       mtpr    $0,$EHSR
+       brb     1f
+8:
+       mtpr    $0,$SBIFS
+1:
+       addl2   (sp)+,sp                # discard mchchk trash
+       movab   2b,(sp)
+       rei