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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _CRIS_ARCH_PAGE_H
#define _CRIS_ARCH_PAGE_H


#ifdef __KERNEL__

/* This handles the memory map.. */
#ifdef CONFIG_CRIS_LOW_MAP
#define PAGE_OFFSET		KSEG_6   /* kseg_6 is mapped to physical ram */
#else
#define PAGE_OFFSET		KSEG_C   /* kseg_c is mapped to physical ram */
#endif

/* macros to convert between really physical and virtual addresses
 * by stripping a selected bit, we can convert between KSEG_x and
 * 0x40000000 where the DRAM really resides
 */

#ifdef CONFIG_CRIS_LOW_MAP
/* we have DRAM virtually at 0x6 */
#define __pa(x)                 ((unsigned long)(x) & 0xdfffffff)
#define __va(x)                 ((void *)((unsigned long)(x) | 0x20000000))
#else
/* we have DRAM virtually at 0xc */
#define __pa(x)                 ((unsigned long)(x) & 0x7fffffff)
#define __va(x)                 ((void *)((unsigned long)(x) | 0x80000000))
#endif

#endif
#endif

Filemanager

Name Type Size Permission Actions
bitops.h File 1.81 KB 0644
bug.h File 2.07 KB 0644
cache.h File 219 B 0644
checksum.h File 726 B 0644
delay.h File 394 B 0644
dma.h File 1.74 KB 0644
io.h File 6.46 KB 0644
io_interface_mux.h File 2.02 KB 0644
irq.h File 5.95 KB 0644
irqflags.h File 994 B 0644
memmap.h File 680 B 0644
mmu.h File 3.4 KB 0644
offset.h File 1.19 KB 0644
page.h File 920 B 0644
pgtable.h File 324 B 0644
processor.h File 2 KB 0644
swab.h File 672 B 0644
system.h File 809 B 0644
thread_info.h File 335 B 0644
timex.h File 982 B 0644
tlb.h File 394 B 0644
uaccess.h File 17.7 KB 0644
unistd.h File 4.38 KB 0644