1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * linux/arch/arm/boot/compressed/head-xscale.
4 *
5 * XScale specific tweaks. This is merged int
6 *
7 */
8
9 #include <linux/linkage.h>
10
11 .section ".start", "ax"
12
13 __XScale_start:
14
15 @ Preserve r8/r7 i.e. kernel e
16
17 @ Data cache might be active.
18 @ Be sure to flush kernel bina
19 @ whatever state it is, before
20 @ This is done by fetching thr
21 @ memory to be sure we hit the
22 bic r2, pc, #0x1f
23 add r3, r2, #0x10000
24 1: ldr r0, [r2], #32
25 teq r2, r3
26 bne 1b
27 mcr p15, 0, r0, c7, c10, 4
28 mcr p15, 0, r0, c7, c7, 0
29
30 @ disabling MMU and caches
31 mrc p15, 0, r0, c1, c0, 0
32 bic r0, r0, #0x05
33 bic r0, r0, #0x1000
34 mcr p15, 0, r0, c1, c0, 0
35
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.