cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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io.h (1318B)

      1/*
      2 * Copyright (C) 2014 Altera Corporation
      3 * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
      4 * Copyright (C) 2004 Microtronix Datacom Ltd.
      5 *
      6 * This file is subject to the terms and conditions of the GNU General Public
      7 * License. See the file "COPYING" in the main directory of this archive
      8 * for more details.
      9 */
     10
     11#ifndef _ASM_NIOS2_IO_H
     12#define _ASM_NIOS2_IO_H
     13
     14#include <linux/types.h>
     15#include <asm/pgtable-bits.h>
     16
     17/* PCI is not supported in nios2, set this to 0. */
     18#define IO_SPACE_LIMIT 0
     19
     20#define readb_relaxed(addr)	readb(addr)
     21#define readw_relaxed(addr)	readw(addr)
     22#define readl_relaxed(addr)	readl(addr)
     23
     24#define writeb_relaxed(x, addr)	writeb(x, addr)
     25#define writew_relaxed(x, addr)	writew(x, addr)
     26#define writel_relaxed(x, addr)	writel(x, addr)
     27
     28void __iomem *ioremap(unsigned long physaddr, unsigned long size);
     29void iounmap(void __iomem *addr);
     30
     31/* Pages to physical address... */
     32#define page_to_phys(page)	virt_to_phys(page_to_virt(page))
     33
     34/* Macros used for converting between virtual and physical mappings. */
     35#define phys_to_virt(vaddr)	\
     36	((void *)((unsigned long)(vaddr) | CONFIG_NIOS2_KERNEL_REGION_BASE))
     37/* Clear top 3 bits */
     38#define virt_to_phys(vaddr)	\
     39	((unsigned long)((unsigned long)(vaddr) & ~0xE0000000))
     40
     41#include <asm-generic/io.h>
     42
     43#endif /* _ASM_NIOS2_IO_H */