/*
* This file is subject to the terms and conditions of the GNU General Public
* License . See the file " COPYING " in the main directory of this archive
* for more details .
*
* Copyright ( C ) 1994 - 1999 , 2000 , 03 , 04 Ralf Baechle
* Copyright ( C ) 2000 , 2002 Maciej W . Rozycki
* Copyright ( C ) 1990 , 1999 , 2000 Silicon Graphics , Inc .
*/
#ifndef _ASM_MACH_GENERIC_SPACES_H
#define _ASM_MACH_GENERIC_SPACES_H
#include <linux/const .h>
#include <asm /mipsregs.h>
#ifndef IO_SPACE_LIMIT
#define IO_SPACE_LIMIT 0 xffff
#endif
/*
* This gives the physical RAM offset .
*/
#ifndef __ASSEMBLY__
# if defined (CONFIG_MIPS_AUTO_PFN_OFFSET)
# define PHYS_OFFSET ((unsigned long )PFN_PHYS(ARCH_PFN_OFFSET))
# elif !defined (PHYS_OFFSET)
# define PHYS_OFFSET _AC(0 , UL)
# endif
#endif /* __ASSEMBLY__ */
#ifdef CONFIG_32BIT
#define CAC_BASE _AC(0 x80000000, UL)
#ifndef IO_BASE
#define IO_BASE _AC(0 xa0000000, UL)
#endif
#ifndef UNCAC_BASE
#define UNCAC_BASE _AC(0 xa0000000, UL)
#endif
#ifndef MAP_BASE
#define MAP_BASE _AC(0 xc0000000, UL)
#endif
/*
* Memory above this physical address will be considered highmem .
*/
#ifndef HIGHMEM_START
#define HIGHMEM_START _AC(0 x20000000, UL)
#endif
#define CKSEG0ADDR_OR_64BIT(x) CKSEG0ADDR(x)
#define CKSEG1ADDR_OR_64BIT(x) CKSEG1ADDR(x)
#endif /* CONFIG_32BIT */
#ifdef CONFIG_64BIT
#ifndef CAC_BASE
#define CAC_BASE PHYS_TO_XKPHYS(read_c0_config() & CONF_CM_CMASK, 0 )
#endif
#ifndef IO_BASE
#define IO_BASE _AC(0 x9000000000000000, UL)
#endif
#ifndef UNCAC_BASE
#define UNCAC_BASE _AC(0 x9000000000000000, UL)
#endif
#ifndef MAP_BASE
#define MAP_BASE _AC(0 xc000000000000000, UL)
#endif
/*
* Memory above this physical address will be considered highmem .
* Fixme : 59 bits is a fictive number and makes assumptions about processors
* in the distant future . Nobody will care for a few years : - )
*/
#ifndef HIGHMEM_START
#define HIGHMEM_START (_AC(1 , UL) << _AC(59 , UL))
#endif
#define TO_PHYS(x) ( ((x) & TO_PHYS_MASK))
#define TO_CAC(x) (CAC_BASE | ((x) & TO_PHYS_MASK))
#define TO_UNCAC(x) (UNCAC_BASE | ((x) & TO_PHYS_MASK))
#define CKSEG0ADDR_OR_64BIT(x) TO_CAC(x)
#define CKSEG1ADDR_OR_64BIT(x) TO_UNCAC(x)
#endif /* CONFIG_64BIT */
/*
* This handles the memory map .
*/
#ifndef PAGE_OFFSET
#define PAGE_OFFSET (CAC_BASE + PHYS_OFFSET)
#endif
#ifndef FIXADDR_TOP
#define FIXADDR_TOP ((unsigned long )(long )(int )0 xfffe0000)
#endif
#endif /* __ASM_MACH_GENERIC_SPACES_H */
Messung V0.5 in Prozent C=92 H=82 G=86
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-02)
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