[src/trunk]: src/sys/arch/arm/arm32 Make sure the start stacks are covered by...

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/5c5ee81744f1
branches:  trunk
changeset: 448659:5c5ee81744f1
user:      skrll <skrll%NetBSD.org@localhost>
date:      Wed Feb 06 13:28:08 2019 +0000

description:
Make sure the start stacks are covered by the new translation tables.
They *might* get placed after ARM_BOOTSTRAP_LxPT by the linker.

AP startup uses VA sp in cpu_init_secondary_processor

diffstat:

 sys/arch/arm/arm32/arm32_kvminit.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (33 lines):

diff -r 35390c3fa879 -r 5c5ee81744f1 sys/arch/arm/arm32/arm32_kvminit.c
--- a/sys/arch/arm/arm32/arm32_kvminit.c        Wed Feb 06 13:22:54 2019 +0000
+++ b/sys/arch/arm/arm32/arm32_kvminit.c        Wed Feb 06 13:28:08 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: arm32_kvminit.c,v 1.51 2019/02/06 13:22:54 skrll Exp $ */
+/*     $NetBSD: arm32_kvminit.c,v 1.52 2019/02/06 13:28:08 skrll Exp $ */
 
 /*
  * Copyright (c) 2002, 2003, 2005  Genetec Corporation.  All rights reserved.
@@ -127,7 +127,7 @@
 #include "opt_multiprocessor.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: arm32_kvminit.c,v 1.51 2019/02/06 13:22:54 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: arm32_kvminit.c,v 1.52 2019/02/06 13:28:08 skrll Exp $");
 
 #include <sys/param.h>
 #include <sys/device.h>
@@ -190,12 +190,12 @@
         */
 #if defined(__HAVE_GENERIC_START)
        extern char KERNEL_BASE_virt[];
-       extern char ARM_BOOTSTRAP_LxPT[];
+       extern char const __stop__init_memory[];
 
        VPRINTF("%s: kern_vtopdiff=%#lx\n", __func__, kern_vtopdiff);
 
        vaddr_t kstartva = trunc_page((vaddr_t)KERNEL_BASE_virt);
-       vaddr_t kendva = round_page((vaddr_t)ARM_BOOTSTRAP_LxPT + L1_TABLE_SIZE);
+       vaddr_t kendva = round_page((vaddr_t)__stop__init_memory);
 
        kernelstart = KERN_VTOPHYS(kstartva);