11b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin/*
21b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin * This file is subject to the terms and conditions of the GNU General Public
31b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin * License.  See the file "COPYING" in the main directory of this archive
41b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin * for more details.
51b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin *
61b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin * Copyright (C) 1994, 1995 Waldorf Electronics
71b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin * Written by Ralf Baechle and Andreas Busse
81b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin * Copyright (C) 1995 - 1999 Ralf Baechle
91b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin * Copyright (C) 1996 Paul M. Antoine
101b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin * Modified for DECStation and hence R3000 support by Paul M. Antoine
111b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin * Further modifications by David S. Miller and Harald Koerfgen
121b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin * Copyright (C) 1999 Silicon Graphics, Inc.
131b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin */
141b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin
151b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin#include <asm/asm.h>
161b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin#include <asm/regdef.h>
171b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin
181b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	.set noreorder
191b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	.cprestore
201b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	LEAF(start)
211b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjinstart:
221b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	/* Save boot rom start args */
231b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	move	s0, a0
241b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	move	s1, a1
251b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	move	s2, a2
261b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	move	s3, a3
271b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin
281b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	/* Clear BSS */
291b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	PTR_LA	a0, _edata
301b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	PTR_LA	a2, _end
311b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin1:	sw	zero, 0(a0)
321b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	bne	a2, a0, 1b
331b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	 addiu	a0, a0, 4
341b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin
351b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	PTR_LA	a0, (.heap)          /* heap address */
361b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	PTR_LA  sp, (.stack + 8192)  /* stack address */
371b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin
381b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	PTR_LA	ra, 2f
391b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	PTR_LA	k0, decompress_kernel
401b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	jr	k0
411b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	 nop
421b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin2:
431b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	move	a0, s0
441b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	move	a1, s1
451b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	move	a2, s2
461b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	move	a3, s3
471b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	PTR_LI	k0, KERNEL_ENTRY
481b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	jr	k0
491b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	 nop
501b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin3:
511b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	b	3b
521b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	 nop
531b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	END(start)
541b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin
551b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	.comm .heap,BOOT_HEAP_SIZE,4
561b93b3c3e94be2605759735a89fc935ba5f58dcfWu Zhangjin	.comm .stack,4096*2,4
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