From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- arch/powerpc/boot/page.h | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 arch/powerpc/boot/page.h (limited to 'arch/powerpc/boot/page.h') diff --git a/arch/powerpc/boot/page.h b/arch/powerpc/boot/page.h new file mode 100644 index 00000000..14eca30f --- /dev/null +++ b/arch/powerpc/boot/page.h @@ -0,0 +1,34 @@ +#ifndef _PPC_BOOT_PAGE_H +#define _PPC_BOOT_PAGE_H +/* + * Copyright (C) 2001 PPC64 Team, 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. + */ + +#ifdef __ASSEMBLY__ +#define ASM_CONST(x) x +#else +#define __ASM_CONST(x) x##UL +#define ASM_CONST(x) __ASM_CONST(x) +#endif + +/* PAGE_SHIFT determines the page size */ +#define PAGE_SHIFT 12 +#define PAGE_SIZE (ASM_CONST(1) << PAGE_SHIFT) +#define PAGE_MASK (~(PAGE_SIZE-1)) + +/* align addr on a size boundary - adjust address up/down if needed */ +#define _ALIGN_UP(addr,size) (((addr)+((size)-1))&(~((size)-1))) +#define _ALIGN_DOWN(addr,size) ((addr)&(~((size)-1))) + +/* align addr on a size boundary - adjust address up if needed */ +#define _ALIGN(addr,size) _ALIGN_UP(addr,size) + +/* to align the pointer to the (next) page boundary */ +#define PAGE_ALIGN(addr) _ALIGN(addr, PAGE_SIZE) + +#endif /* _PPC_BOOT_PAGE_H */ -- cgit