u-boot/arch/arm/include/asm/arm11.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright (C) 2023 Marek Vasut <marex@denx.de>
 */
#ifndef ARM11_H
#define ARM11_H

#ifndef __ASSEMBLY__
void arm11_arch_cp15_allow_unaligned(void);
#endif /* ! __ASSEMBLY__ */

#endif	/* ARM11_H */
ARM: arm11: Add C wrapper for allow_unaligned() Rename current assembler implementation of allow_unaligned() to arm11_arch_cp15_allow_unaligned() and add it into arm11.h header, then add C wrapper of allow_unaligned(). This fixes misbehavior when linking U-Boot, where the CPU specific allow_unaligned() implementation was ignored and instead the __weak allow_unaligned() implementation from lib/efi_loader/efi_setup.c was used, which led to "data abort" just before booting Linux via tftp, in efi_dp_from_file() -> path_to_uefi() -> utf16_put() . The problem is triggerd by c7c0ca37673 ("efi_loader: fix efi_dp_from_file()") . Adding the wrapper fixes the problem. Fixes: d47a774680d ("arm: arm11: allow unaligned memory access") Signed-off-by: Marek Vasut <marex@denx.de> 2023-07-01 15:26:19 +00:00			`/* SPDX-License-Identifier: GPL-2.0+ */`
			`/*`
			`* Copyright (C) 2023 Marek Vasut <marex@denx.de>`
			`*/`
			`#ifndef ARM11_H`
			`#define ARM11_H`

			`#ifndef __ASSEMBLY__`
			`void arm11_arch_cp15_allow_unaligned(void);`
			`#endif /* ! __ASSEMBLY__ */`

			`#endif /* ARM11_H */`