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Diffstat (limited to 'src/arch/power/isa_traits.hh')
-rw-r--r-- | src/arch/power/isa_traits.hh | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/arch/power/isa_traits.hh b/src/arch/power/isa_traits.hh new file mode 100644 index 000000000..886c2cb0b --- /dev/null +++ b/src/arch/power/isa_traits.hh @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2003-2005 The Regents of The University of Michigan + * Copyright (c) 2007-2008 The Florida State University + * Copyright (c) 2009 The University of Edinburgh + * 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: Timothy M. Jones + * Gabe Black + * Stephen Hines + */ + +#ifndef __ARCH_POWER_ISA_TRAITS_HH__ +#define __ARCH_POWER_ISA_TRAITS_HH__ + +#include "arch/power/types.hh" +#include "base/types.hh" + +namespace BigEndianGuest {}; + +class StaticInstPtr; + +namespace PowerISA +{ + +using namespace BigEndianGuest; + +StaticInstPtr decodeInst(ExtMachInst); + +// POWER DOES NOT have a delay slot +#define ISA_HAS_DELAY_SLOT 0 + +const Addr PageShift = 12; +const Addr PageBytes = ULL(1) << PageShift; +const Addr Page_Mask = ~(PageBytes - 1); +const Addr PageOffset = PageBytes - 1; + +const Addr PteShift = 3; +const Addr NPtePageShift = PageShift - PteShift; +const Addr NPtePage = ULL(1) << NPtePageShift; +const Addr PteMask = NPtePage - 1; + +const int LogVMPageSize = 12; // 4K bytes +const int VMPageSize = (1 << LogVMPageSize); + +const int MachineBytes = 4; + +// This is ori 0, 0, 0 +const ExtMachInst NoopMachInst = 0x60000000; + +} // PowerISA namespace + +#endif // __ARCH_POWER_ISA_TRAITS_HH__ |