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Zero bss in start, not in initppc.

This commit is contained in:
matt 2003-02-24 08:06:42 +00:00
parent 7a7dfd71a7
commit 4f493fc42d
2 changed files with 13 additions and 18 deletions
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10
sys/arch/evbppc/walnut/machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.5 2003/02/02 20:43:19 matt Exp $ */
/* $NetBSD: machdep.c,v 1.6 2003/02/24 08:06:42 matt Exp $ */
/*
* Copyright 2001, 2002 Wasabi Systems, Inc.
@ -171,11 +171,7 @@ initppc(u_int startkernel, u_int endkernel, char *args, void *info_block)
extern int ipkdblow, ipkdbsize;
#endif
int exc;
extern char _edata, _end;
struct cpu_info * const ci = &cpu_info[0];
/* Set the curcpu() pointer */
mtspr(SPR_SPRG0, ci);
struct cpu_info * const ci = curcpu();
/* Disable all external interrupts */
mtdcr(DCR_UIC0_ER, 0);
@ -183,8 +179,6 @@ initppc(u_int startkernel, u_int endkernel, char *args, void *info_block)
/* Initialize cache info for memcpy, etc. */
cpu_probe_cache();
memset(&_edata, 0, &_end-&_edata); /* Clear BSS area */
/* Save info block */
if (info_block == NULL)
/* XXX why isn't r3 set correctly?!?!? */

21
sys/arch/evbppc/walnut/walnut_start.S
View File

@ -1,4 +1,4 @@
/* $NetBSD: walnut_start.S,v 1.4 2003/02/02 20:43:19 matt Exp $ */
/* $NetBSD: walnut_start.S,v 1.5 2003/02/24 08:06:43 matt Exp $ */
/* $OpenBSD: locore.S,v 1.4 1997/01/26 09:06:38 rahnds Exp $ */
/*
@ -117,13 +117,6 @@ GLOBAL(intrcnt)
.long 0
GLOBAL(eintrcnt)
/*
* File-scope for locore.S
*/
.data
idle_u:
.long 0 /* fake uarea during idle after exit */
/*
* This symbol is here for the benefit of kvm_mkdb, and is supposed to
* mark the start of kernel text.
@ -183,10 +176,18 @@ __start_cpu0:
tlbia
sync
isync
/* compute end of kernel memory */
/* get start of bss */
lis 3,_C_LABEL(_edata)-4@ha
addi 3,3,_C_LABEL(_edata)-4@l
/* get end of kernel memory */
lis 8,_C_LABEL(end)@ha
addi 8,8,_C_LABEL(end)@l
/* zero bss */
li 4,0
2: stwu 4,4(3)
cmpw 3,8
bne+ 2b
#if defined(DDB)
/* If we had symbol table location we'd store it here and would've adjusted r8 here */
lis 7,_C_LABEL(startsym)@ha