ubuntu-linux-kernel/arch/arm/boot/compressed/big-endian.S

15 lines
343 B
ArmAsm

/* SPDX-License-Identifier: GPL-2.0 */
/*
* linux/arch/arm/boot/compressed/big-endian.S
*
* Switch CPU into big endian mode.
* Author: Nicolas Pitre
*/
.section ".start", #alloc, #execinstr
mrc p15, 0, r0, c1, c0, 0 @ read control reg
orr r0, r0, #(1 << 7) @ enable big endian mode
mcr p15, 0, r0, c1, c0, 0 @ write control reg