u-boot/arch/arm/mach-imx/imx9/lowlevel_init.S

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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2022 NXP
*/
#include <config.h>
.align 8
.global rom_pointer
rom_pointer:
.space 256
/*
* Routine: save_boot_params (called after reset from start.S)
*/
.global save_boot_params
save_boot_params:
#ifndef CONFIG_SPL_BUILD
/* The firmware provided ATAG/FDT address can be found in r2/x0 */
adr x0, rom_pointer
stp x1, x2, [x0], #16
stp x3, x4, [x0], #16
#endif
/* Returns */
b save_boot_params_ret