Hi,
2024년 1월 26일 (금) 21:53, Stefan Bosch <stefa...@posteo.net>님이 작성: > The header (NSIH) used for the s5p4418-SoC is not loaded into RAM by the > 2nd-bootloader, see boot0.h. Therefore, use an adapted version of > relocate_vectors which relocates the vectors after the header (at _start) > instead of the 'dummy'-vectors at the start of the header (at > __image_copy_start). > > Signed-off-by: Stefan Bosch <stefa...@posteo.net> > --- > > (no changes since v1) > > arch/arm/cpu/armv7/s5p4418/Makefile | 3 +++ > arch/arm/cpu/armv7/s5p4418/relocate.S | 24 ++++++++++++++++++++++++ > 2 files changed, 27 insertions(+) > create mode 100644 arch/arm/cpu/armv7/s5p4418/relocate.S > > diff --git a/arch/arm/cpu/armv7/s5p4418/Makefile > b/arch/arm/cpu/armv7/s5p4418/Makefile > index 321b257b6d..58042581c4 100644 > --- a/arch/arm/cpu/armv7/s5p4418/Makefile > +++ b/arch/arm/cpu/armv7/s5p4418/Makefile > @@ -2,5 +2,8 @@ > # > # (C) Copyright 2016 Nexell > # Hyunseok, Jung <hsj...@nexell.co.kr> > +# > +# Copyright (C) 2023 Stefan Bosch <stefa...@posteo.net> > > obj-y += cpu.o > +obj-y += relocate.o > diff --git a/arch/arm/cpu/armv7/s5p4418/relocate.S > b/arch/arm/cpu/armv7/s5p4418/relocate.S > new file mode 100644 > index 0000000000..d6e76adceb > --- /dev/null > +++ b/arch/arm/cpu/armv7/s5p4418/relocate.S > @@ -0,0 +1,24 @@ > +/* SPDX-License-Identifier: GPL-2.0+ */ > +/* > + * relocate - S5P4418 specific relocation for ARM U-Boot > + * > + * Copyright (c) 2013 Albert ARIBAUD <albert.u.b...@aribaud.net> > + * Copyright (C) 2023 Stefan Bosch <stefa...@posteo.net> > + */ > + > +#include <asm-offsets.h> > +#include <asm/assembler.h> > +#include <linux/linkage.h> > + > +ENTRY(relocate_vectors) > + > + /* > + * The s5p4418 SoC has the security extensions, so use VBAR to > relocate > + * the exception vectors. > + */ > + ldr r0, [r9, #GD_RELOCADDR] /* r0 = gd->relocaddr */ > + add r0, #0x400 /* vectors are after NSIH > + 0x200 */ > + mcr p15, 0, r0, c12, c0, 0 /* Set VBAR */ > + ret lr > + > +ENDPROC(relocate_vectors) > -- > 2.17.1 > Reviewed-by: Minkyu Kang <mk7.k...@samsung.com> Thanks. Minkyu Kang.
