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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ioport.c (869B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * arch/sh/kernel/ioport.c
      4 *
      5 * Copyright (C) 2000  Niibe Yutaka
      6 * Copyright (C) 2005 - 2007 Paul Mundt
      7 */
      8#include <linux/module.h>
      9#include <linux/io.h>
     10#include <asm/io_trapped.h>
     11
     12unsigned long sh_io_port_base __read_mostly = -1;
     13EXPORT_SYMBOL(sh_io_port_base);
     14
     15void __iomem *__ioport_map(unsigned long addr, unsigned int size)
     16{
     17	if (sh_mv.mv_ioport_map)
     18		return sh_mv.mv_ioport_map(addr, size);
     19
     20	return (void __iomem *)(addr + sh_io_port_base);
     21}
     22EXPORT_SYMBOL(__ioport_map);
     23
     24void __iomem *ioport_map(unsigned long port, unsigned int nr)
     25{
     26	void __iomem *ret;
     27
     28	ret = __ioport_map_trapped(port, nr);
     29	if (ret)
     30		return ret;
     31
     32	return __ioport_map(port, nr);
     33}
     34EXPORT_SYMBOL(ioport_map);
     35
     36void ioport_unmap(void __iomem *addr)
     37{
     38	if (sh_mv.mv_ioport_unmap)
     39		sh_mv.mv_ioport_unmap(addr);
     40}
     41EXPORT_SYMBOL(ioport_unmap);