diff options
Diffstat (limited to 'arch/arm/mm/pv-fixup-asm.S')
| -rw-r--r-- | arch/arm/mm/pv-fixup-asm.S | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/arch/arm/mm/pv-fixup-asm.S b/arch/arm/mm/pv-fixup-asm.S index 1867f3e43016..1d9f52c71ad0 100644 --- a/arch/arm/mm/pv-fixup-asm.S +++ b/arch/arm/mm/pv-fixup-asm.S @@ -1,18 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2015 Russell King * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * This assembly is required to safely remap the physical address space * for Keystone 2 */ #include <linux/linkage.h> +#include <linux/pgtable.h> #include <asm/asm-offsets.h> #include <asm/cp15.h> -#include <asm/memory.h> -#include <asm/pgtable.h> +#include <asm/page.h> .section ".idmap.text", "ax" @@ -32,34 +29,34 @@ ENTRY(lpae_pgtables_remap_asm) ldr r6, =(_end - 1) add r7, r2, #0x1000 add r6, r7, r6, lsr #SECTION_SHIFT - L2_ORDER - add r7, r7, #PAGE_OFFSET >> (SECTION_SHIFT - L2_ORDER) -1: ldrd r4, [r7] + add r7, r7, #KERNEL_OFFSET >> (SECTION_SHIFT - L2_ORDER) +1: ldrd r4, r5, [r7] adds r4, r4, r0 adc r5, r5, r1 - strd r4, [r7], #1 << L2_ORDER + strd r4, r5, [r7], #1 << L2_ORDER cmp r7, r6 bls 1b /* Update level 2 entries for the boot data */ add r7, r2, #0x1000 - add r7, r7, r3, lsr #SECTION_SHIFT - L2_ORDER - bic r7, r7, #(1 << L2_ORDER) - 1 - ldrd r4, [r7] + movw r3, #FDT_FIXED_BASE >> (SECTION_SHIFT - L2_ORDER) + add r7, r7, r3 + ldrd r4, r5, [r7] adds r4, r4, r0 adc r5, r5, r1 - strd r4, [r7], #1 << L2_ORDER - ldrd r4, [r7] + strd r4, r5, [r7], #1 << L2_ORDER + ldrd r4, r5, [r7] adds r4, r4, r0 adc r5, r5, r1 - strd r4, [r7] + strd r4, r5, [r7] /* Update level 1 entries */ mov r6, #4 mov r7, r2 -2: ldrd r4, [r7] +2: ldrd r4, r5, [r7] adds r4, r4, r0 adc r5, r5, r1 - strd r4, [r7], #1 << L1_ORDER + strd r4, r5, [r7], #1 << L1_ORDER subs r6, r6, #1 bne 2b |