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Diffstat (limited to 'kexec/arch/ppc/include/page.h')
| -rw-r--r-- | kexec/arch/ppc/include/page.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/kexec/arch/ppc/include/page.h b/kexec/arch/ppc/include/page.h new file mode 100644 index 0000000..65877bc --- /dev/null +++ b/kexec/arch/ppc/include/page.h @@ -0,0 +1,27 @@ +#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)) + +/* to align the pointer to the (next) page boundary */ +#define PAGE_ALIGN(addr) (((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1))) + +#endif /* _PPC_BOOT_PAGE_H */ |