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Pass bootargs like usual function calls.

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Initialize sp register to more useful value.
This commit is contained in:
toshii 2001-03-23 08:48:12 +00:00
parent 07b77f05ce
commit 59b3c088fe
2 changed files with 19 additions and 6 deletions
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21
sys/arch/hpc/stand/hpcboot/arm/arm.asm
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@ -1,4 +1,4 @@
; $NetBSD: arm.asm,v 1.1 2001/02/09 18:34:49 uch Exp $
; $NetBSD: arm.asm,v 1.2 2001/03/23 08:48:12 toshii Exp $
;
; Copyright (c) 2001 The NetBSD Foundation, Inc.
; All rights reserved.
@ -407,8 +407,11 @@
|page_memcpy4| ; memcpy (dst, src, sz) uncached.
ldr r0, [r3], #4
ldr r5, [r3], #4
str r0, [r4], #4
cmp r4, r6
strlt r5, [r4], #4
cmplt r4, r6
blt |page_memcpy4|
b |page_loop|
@ -423,9 +426,19 @@
; ldr r0, [r7]
; ldr r0, [r0]
; bl hexdump
ldr r0, [r7]
mov pc, r0
; set stack pointer
mov r5, #4096
add r6, r6, #8192
sub r5, r5, #1
bic sp, r6, r5
; set bootargs
ldr r4, [r7]
ldr r0, [r7, #4]
ldr r1, [r7, #8]
ldr r2, [r7, #12]
mov pc, r4
; NOTREACHED
|infinite_loop|

4
sys/arch/hpc/stand/hpcboot/arm/arm_arch.cpp
View File

@ -1,4 +1,4 @@
/* $NetBSD: arm_arch.cpp,v 1.1 2001/02/09 18:34:49 uch Exp $ */
/* $NetBSD: arm_arch.cpp,v 1.2 2001/03/23 08:48:12 toshii Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -128,7 +128,7 @@ ARMArchitecture::jump(paddr_t info, paddr_t pvec)
// stack for bootloader
_mem->getPage(v, p);
sp = ptokv(p);
sp = ptokv(p) + _mem->getPageSize();
// writeback whole D-cache
WritebackDCache();