rockbox/firmware/start.s

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!----------------------------------------------------------------------------
! __________ __ ___.
! Open \______ \ ____ ____ | | _\_ |__ _______ ___
! Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
! Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
! Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
! \/ \/ \/ \/ \/
! $Id$
!
! Copyright (C) 2002 by Bj<EFBFBD>rn Stenberg
!
! All files in this archive are subject to the GNU General Public License.
! See the file COPYING in the source tree root for full license agreement.
!
! This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
! KIND, either express or implied.
!----------------------------------------------------------------------------
!
! note: sh-1 has a "delay cycle" after every branch where you can
! execute another instruction "for free".
.file "start.s"
.section .text.start
.extern _main
.extern _vectors
.extern _stack
.global _start
.align 2
_start:
mov.l 1f, r1
mov.l 3f, r3
mov.l 2f, r15
jmp @r3
ldc r1, vbr
nop
1: .long _vectors
2: .long _stack
3: .long _main
.type _start,@function