1/* 2 * Copyright (c) 2002-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 19 unchanged lines hidden (view full) --- 28 * Authors: Steve Reinhardt 29 * Nathan Binkert 30 * Ali Saidi 31 */ 32 33#ifndef __ARCH_ALPHA_EV5_HH__ 34#define __ARCH_ALPHA_EV5_HH__ 35 |
36#include "arch/alpha/isa_traits.hh" 37 38namespace AlphaISA { 39 |
40const uint64_t AsnMask = ULL(0xff); |
41const int VAddrImplBits = 43; 42const Addr VAddrImplMask = (ULL(1) << VAddrImplBits) - 1; 43const Addr VAddrUnImplMask = ~VAddrImplMask; 44inline Addr VAddrImpl(Addr a) { return a & VAddrImplMask; } 45inline Addr VAddrVPN(Addr a) { return a >> PageShift; } 46inline Addr VAddrOffset(Addr a) { return a & PageOffset; } 47inline Addr VAddrSpaceEV5(Addr a) { return a >> 41 & 0x3; } 48inline Addr VAddrSpaceEV6(Addr a) { return a >> 41 & 0x7f; } 49 |
50inline bool PAddrIprSpace(Addr a) { return a >= ULL(0xFFFFFF00000); } 51const int PAddrImplBits = 44; // for Tsunami |
52const Addr PAddrImplMask = (ULL(1) << PAddrImplBits) - 1; 53const Addr PAddrUncachedBit39 = ULL(0x8000000000); 54const Addr PAddrUncachedBit40 = ULL(0x10000000000); 55const Addr PAddrUncachedBit43 = ULL(0x80000000000); 56const Addr PAddrUncachedMask = ULL(0x807ffffffff); // Clear PA<42:35> 57 58inline Addr 59Phys2K0Seg(Addr addr) 60{ |
61 if (addr & PAddrUncachedBit43) { 62 addr &= PAddrUncachedMask; 63 addr |= PAddrUncachedBit40; 64 } |
65 return addr | K0SegBase; 66} 67 68inline int DTB_ASN_ASN(uint64_t reg) { return reg >> 57 & AsnMask; } 69inline Addr DTB_PTE_PPN(uint64_t reg) 70{ return reg >> 32 & ((ULL(1) << (PAddrImplBits - PageShift)) - 1); } 71inline int DTB_PTE_XRE(uint64_t reg) { return reg >> 8 & 0xf; } 72inline int DTB_PTE_XWE(uint64_t reg) { return reg >> 12 & 0xf; } --- 39 unchanged lines hidden --- |