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Atmosphere/exosphere/lp0fw/src/start.s

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2018-12-17 20:01:10 +00:00
/*
* 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
/* Warmboot header. */
/* Binary size */
.word __total_size__
.rept 3
.word 0x00000000
.endr
/* RSA modulus */
.rept 0x40
.word 0xFFFFFFFF
.endr
/* Padding */
.rept 4
.word 0x00000000
.endr
/* RSA signature */
.rept 0x40
.word 0xFFFFFFFF
.endr
/* Padding */
.rept 4
.word 0x00000000
.endr
/* Relocation meta */
.word __total_size__
.word _start
.word _start
.word __executable_size__
.global _start
_start:
b crt0
.global _metadata
_metadata:
.ascii "WBT0" /* Magic number */
.word 0x00000000 /* Target firmware. */
2018-12-17 20:01:10 +00:00
.word 0x00000000 /* Reserved */
.word 0x00000000 /* Reserved */
.global crt0
.type crt0, %function
crt0:
@ setup to call lp0_entry_main
ldr sp, =__stack_top__
ldr lr, =reboot
ldr r0, =_metadata
b lp0_entry_main