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/*
* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
.globl rom_lib_init
.extern __DATA_RAM_START__, __DATA_ROM_START__, __DATA_RAM_END__
.extern memset, memcpy
rom_lib_init:
cmp w0, #1
mov w0, #0
b.le 1f
ret
1: stp x29, x30, [sp, #-16]!
adrp x0, __DATA_RAM_START__
adrp x1, __DATA_ROM_START__
add x1, x1, :lo12:__DATA_ROM_START__
adrp x2, __DATA_RAM_END__
add x2, x2, :lo12:__DATA_RAM_END__
sub x2, x2, x0
bl memcpy
adrp x0,__BSS_START__
add x0, x0, :lo12:__BSS_START__
mov x1, #0
adrp x2, __BSS_END__
add x2, x2, :lo12:__BSS_END__
sub x2, x2, x0
bl memset
ldp x29, x30, [sp], #16
mov w0, #1
ret
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