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Diffstat (limited to 'src/arch/arm/vtophys.hh')
-rw-r--r-- | src/arch/arm/vtophys.hh | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/arch/arm/vtophys.hh b/src/arch/arm/vtophys.hh new file mode 100644 index 000000000..edd21558f --- /dev/null +++ b/src/arch/arm/vtophys.hh @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2002-2005 The Regents of The University of Michigan + * Copyright (c) 2007-2008 The Florida State University + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Ali Saidi + * Nathan Binkert + * Stephen Hines + */ + +#ifndef __ARCH_ARM_VTOPHYS_H__ +#define __ARCH_ARM_VTOPHYS_H__ + +#include "arch/arm/isa_traits.hh" +#include "arch/arm/utility.hh" + + +class ThreadContext; +class FunctionalPort; + +namespace ArmISA { + inline Addr PteAddr(Addr a) { return (a & PteMask) << PteShift; } + + // User Virtual + inline bool IsUSeg(Addr a) { return USegBase <= a && a <= USegEnd; } + + inline bool IsKSeg0(Addr a) { return KSeg0Base <= a && a <= KSeg0End; } + + inline Addr KSeg02Phys(Addr addr) { return addr & KSeg0Mask; } + + Addr vtophys(Addr vaddr); + Addr vtophys(ThreadContext *tc, Addr vaddr); +}; + +#endif // __ARCH_ARM_VTOPHYS_H__ + |