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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2022 Matthias Schiffer <mschiffer@universe-factory.net>
*
* Based on Linux arch/powerpc/boot/crt0.S, which is:
*
* Copyright (C) Paul Mackerras 1997.
*/
#include <ppc_asm.h>
.text
.global _start
_start:
/* Do a cache flush for our text, in case the loader didn't */
lis r3,_text_start@ha
addi r3,r3,_text_start@l
li r4,_text_len
bl flush_cache
/* Clear the BSS */
lis r3,_bss_start@ha
addi r3,r3,_bss_start@l
li r4,0
li r5,_bss_len
bl memset
/* Set up stack */
lis r1,_stack_top@ha
addi r1,r1,_stack_top@l
/* Establish a stack frame */
li r0,0
stwu r0,-16(r1)
/* Call start */
b start
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