diff options
Diffstat (limited to 'sys/boot/arm/at91/boot0/arm_init.s')
| -rw-r--r-- | sys/boot/arm/at91/boot0/arm_init.s | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/sys/boot/arm/at91/boot0/arm_init.s b/sys/boot/arm/at91/boot0/arm_init.s deleted file mode 100644 index 58c9099b5e106..0000000000000 --- a/sys/boot/arm/at91/boot0/arm_init.s +++ /dev/null @@ -1,105 +0,0 @@ -/*- - * Copyright (c) 2006 M. Warner Losh. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * This software is derived from code provided by Kwikbyte with the - * following information: - * - * Initialization for C-environment and basic operation. Adapted from - * ATMEL cstartup.s. - * - * No warranty, expressed or implied, is included with this software. It is - * provided "AS IS" and no warranty of any kind including statutory or aspects - * relating to merchantability or fitness for any purpose is provided. All - * intellectual property rights of others is maintained with the respective - * owners. This software is not copyrighted and is intended for reference - * only. - * - * $FreeBSD$ - */ - - .equ ARM_MODE_USER, 0x10 - .equ ARM_MODE_FIQ, 0x11 - .equ ARM_MODE_IRQ, 0x12 - .equ ARM_MODE_SVC, 0x13 - .equ ARM_MODE_ABORT, 0x17 - .equ ARM_MODE_UNDEF, 0x1B - .equ ARM_MODE_SYS, 0x1F - - .equ I_BIT, 0x80 - .equ F_BIT, 0x40 - .equ T_BIT, 0x20 - -/* - * Stack definitions - * - * Start near top of internal RAM. - */ - - .equ END_INT_SRAM, 0x4000 - .equ SVC_STACK_START, (END_INT_SRAM - 0x4) - .equ SVC_STACK_USE, 0x21800000 - -start: - -/* vectors - must reside at address 0 */ -/* the format of this table is defined in the datasheet */ - B InitReset @; reset -undefvec: - B undefvec @; Undefined Instruction -swivec: - B swivec @; Software Interrupt -pabtvec: - B pabtvec @; Prefetch Abort -dabtvec: - B dabtvec @; Data Abort -rsvdvec: - B rsvdvec -irqvec: - ldr pc, [pc,#-0xF20] @; IRQ : read the AIC -fiqvec: - B fiqvec @; FIQ - - -InitReset: - -/* Set stack and init for SVC */ - ldr r1, = SVC_STACK_START - mov sp, r1 @; Init stack SYS - - msr cpsr_c, #(ARM_MODE_SVC | I_BIT | F_BIT) - mov sp, r1 @ ; Init stack SYS - -/* Perform system initialization */ - - .extern _init - bl _init - -/* Start execution at main */ - - .extern main - bl main - -/* main should not return. If it does, spin forever */ - -infiniteLoop: - b infiniteLoop |