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Atmosphere/exosphere/rebootstub/src/start.s

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/*
* Copyright (c) 2018 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
.section .text.start
.align 4
.global _start
_start:
b crt0
.global crt0
.type crt0, %function
crt0:
@ clear all registers
ldr r0, =0x52425430 @ RBT0
mov r1, #0x0
mov r2, #0x0
mov r3, #0x0
mov r4, #0x0
mov r5, #0x0
mov r6, #0x0
mov r7, #0x0
mov r8, #0x0
mov r9, #0x0
mov r10, #0x0
mov r11, #0x0
mov r12, #0x0
mov lr, #0x0
ldr sp, =0x40010000
ldr pc, =0x40010000