Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

#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 */