includes from ../h

[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 3852383..0951bf6 100644 (file)
--- a/usr/src/sys/vax/stand/srt0.c
+++ b/usr/src/sys/vax/stand/srt0.c
@@ -1,4 +1,4 @@
-/*     srt0.c  4.10    82/11/13        */
+/*     srt0.c  6.1     83/07/29        */

 
 #include "../vax/mtpr.h"
 #define        LOCORE
 
 #include "../vax/mtpr.h"
 #define        LOCORE


@@ -34,7 +34,20 @@ clr:
        cmpl    r0,sp
        jlss    clr
 #ifdef REL
        cmpl    r0,sp
        jlss    clr
 #ifdef REL

-       movc3   aend,*$0,(sp)
+       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
        jmp     *abegin
 begin:
 #endif


@@ -51,7 +64,6 @@ begin:
        .data
 #ifdef REL
 abegin:        .long   begin
        .data
 #ifdef REL
 abegin:        .long   begin

-aend:  .long   _end-RELOC

 aedata:        .long   _edata-RELOC
 #else
 aedata:        .long   _edata
 aedata:        .long   _edata-RELOC
 #else
 aedata:        .long   _edata