diff options
Diffstat (limited to 'arch/powerpc/lib/copypage_64.S')
| -rw-r--r-- | arch/powerpc/lib/copypage_64.S | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/arch/powerpc/lib/copypage_64.S b/arch/powerpc/lib/copypage_64.S index 4bcc9e76fb55..f33a2e6088e5 100644 --- a/arch/powerpc/lib/copypage_64.S +++ b/arch/powerpc/lib/copypage_64.S @@ -1,31 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2008 Mark Nelson, IBM Corp. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ +#include <linux/export.h> #include <asm/page.h> #include <asm/processor.h> #include <asm/ppc_asm.h> #include <asm/asm-offsets.h> -#include <asm/export.h> - - .section ".toc","aw" -PPC64_CACHES: - .tc ppc64_caches[TC],ppc64_caches - .section ".text" +#include <asm/feature-fixups.h> _GLOBAL_TOC(copy_page) BEGIN_FTR_SECTION lis r5,PAGE_SIZE@h FTR_SECTION_ELSE +#ifdef CONFIG_PPC_BOOK3S_64 b copypage_power7 +#endif ALT_FTR_SECTION_END_IFCLR(CPU_FTR_VMX_COPY) ori r5,r5,PAGE_SIZE@l +#ifdef CONFIG_PPC_KERNEL_PCREL + /* + * Hack for toolchain - prefixed instructions cause label difference to + * be non-constant even if 8 byte alignment is known, so they can not + * be put in FTR sections. + */ + LOAD_REG_ADDR(r10, ppc64_caches) +BEGIN_FTR_SECTION +#else BEGIN_FTR_SECTION - ld r10,PPC64_CACHES@toc(r2) + LOAD_REG_ADDR(r10, ppc64_caches) +#endif lwz r11,DCACHEL1LOGBLOCKSIZE(r10) /* log2 of cache block size */ lwz r12,DCACHEL1BLOCKSIZE(r10) /* get cache block size */ li r9,0 |