Fixed ALPHA_FS by moving the remnants of isa_fullsys_traits.hh into arch/alpha/pagetable.hh and fixing up some includes

--HG--
extra : convert_revision : 02a47fa62b17245763314890beb68339c789d18f

1 files changed, 112 insertions, 0 deletions

diff --git a/src/arch/alpha/pagetable.hh b/src/arch/alpha/pagetable.hh
new file mode 100644
index 000000000..3108c0a3e
--- /dev/null
+++ b/src/arch/alpha/pagetable.hh
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2002-2005 The Regents of The University of Michigan
+ * 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: Nathan Binkert
+ *          Steve Reinhardt
+ */
+
+#ifndef __ARCH_ALPHA_PAGETABLE_H__
+#define __ARCH_ALPHA_PAGETABLE_H__
+
+#include "arch/alpha/isa_traits.hh"
+#include "arch/alpha/utility.hh"
+#include "config/full_system.hh"
+
+namespace AlphaISA {
+
+#if FULL_SYSTEM
+    struct VAddr
+    {
+        static const int ImplBits = 43;
+        static const Addr ImplMask = (ULL(1) << ImplBits) - 1;
+        static const Addr UnImplMask = ~ImplMask;
+
+        VAddr(Addr a) : addr(a) {}
+        Addr addr;
+        operator Addr() const { return addr; }
+        const VAddr &operator=(Addr a) { addr = a; return *this; }
+
+        Addr vpn() const { return (addr & ImplMask) >> PageShift; }
+        Addr page() const { return addr & PageMask; }
+        Addr offset() const { return addr & PageOffset; }
+
+        Addr level3() const
+        { return AlphaISA::PteAddr(addr >> PageShift); }
+        Addr level2() const
+        { return AlphaISA::PteAddr(addr >> NPtePageShift + PageShift); }
+        Addr level1() const
+        { return AlphaISA::PteAddr(addr >> 2 * NPtePageShift + PageShift); }
+    };
+
+    struct PageTableEntry
+    {
+        PageTableEntry(uint64_t e) : entry(e) {}
+        uint64_t entry;
+        operator uint64_t() const { return entry; }
+        const PageTableEntry &operator=(uint64_t e) { entry = e; return *this; }
+        const PageTableEntry &operator=(const PageTableEntry &e)
+        { entry = e.entry; return *this; }
+
+        Addr _pfn()  const { return (entry >> 32) & 0xffffffff; }
+        Addr _sw()   const { return (entry >> 16) & 0xffff; }
+        int  _rsv0() const { return (entry >> 14) & 0x3; }
+        bool _uwe()  const { return (entry >> 13) & 0x1; }
+        bool _kwe()  const { return (entry >> 12) & 0x1; }
+        int  _rsv1() const { return (entry >> 10) & 0x3; }
+        bool _ure()  const { return (entry >>  9) & 0x1; }
+        bool _kre()  const { return (entry >>  8) & 0x1; }
+        bool _nomb() const { return (entry >>  7) & 0x1; }
+        int  _gh()   const { return (entry >>  5) & 0x3; }
+        bool _asm()  const { return (entry >>  4) & 0x1; }
+        bool _foe()  const { return (entry >>  3) & 0x1; }
+        bool _fow()  const { return (entry >>  2) & 0x1; }
+        bool _for()  const { return (entry >>  1) & 0x1; }
+        bool valid() const { return (entry >>  0) & 0x1; }
+
+        Addr paddr() const { return _pfn() << PageShift; }
+    };
+
+    // ITB/DTB page table entry
+    struct PTE
+    {
+        Addr tag;			// virtual page number tag
+        Addr ppn;			// physical page number
+        uint8_t xre;		// read permissions - VMEM_PERM_* mask
+        uint8_t xwe;		// write permissions - VMEM_PERM_* mask
+        uint8_t asn;		// address space number
+        bool asma;			// address space match
+        bool fonr;			// fault on read
+        bool fonw;			// fault on write
+        bool valid;			// valid page table entry
+
+        void serialize(std::ostream &os);
+        void unserialize(Checkpoint *cp, const std::string &section);
+    };
+#endif
+};
+#endif // __ARCH_ALPHA_PAGETABLE_H__
+