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31 #ifndef __ARCH_SPARC_PAGETABLE_HH__
32 #define __ARCH_SPARC_PAGETABLE_HH__
34 #include "arch/sparc/isa_traits.hh"
35 #include "base/misc.hh"
36 #include "config/full_system.hh"
44 VAddr(Addr a) { panic("not implemented yet."); }
64 PageTableEntry() : entry(0), type(invalid), populated(false) {}
66 PageTableEntry(uint64_t e, EntryType t = sun4u)
67 : entry(e), type(t), populated(true)
70 populate(entry, type);
73 void populate(uint64_t e, EntryType t = sun4u)
79 // If we get a sun4v format TTE, turn it into a sun4u
84 entry4u |= entry & ULL(0x8000000000000000); //valid
85 entry4u |= (entry & 0x3) << 61; //size[1:0]
86 entry4u |= (entry & ULL(0x4000000000000000)) >> 2; //nfo
87 entry4u |= (entry & 0x1000) << 47; //ie
88 //entry4u |= (entry & 0x3F00000000000000) >> 7; //soft2
89 entry4u |= (entry & 0x4) << 48; //size[2]
91 entry4u |= (entry & ULL(0x0000FFFFFFFFE000)); //paddr
92 entry4u |= (entry & 0x400) >> 5; //cp
93 entry4u |= (entry & 0x200) >> 5; //cv
94 entry4u |= (entry & 0x800) >> 8; //e
95 entry4u |= (entry & 0x100) >> 6; //p
96 entry4u |= (entry & 0x40) >> 5; //w
105 static int pageSizes[6];
108 uint64_t operator()() const { assert(populated); return entry4u; }
109 const PageTableEntry &operator=(uint64_t e) { populated = true;
110 entry4u = e; return *this; }
112 const PageTableEntry &operator=(const PageTableEntry &e)
113 { populated = true; entry4u = e.entry4u; return *this; }
115 bool valid() const { return entry4u & ULL(0x8000000000000000) && populated; }
116 uint8_t _size() const { assert(populated);
117 return ((entry4u & 0x6) >> 61) |
118 ((entry4u & ULL(0x000080000000000)) >> 46); }
119 Addr size() const { return pageSizes[_size()]; }
120 bool ie() const { return entry4u >> 59 & 0x1; }
121 Addr pfn() const { assert(populated);
122 return entry4u >> 13 & ULL(0xFFFFFFFFFF); }
123 Addr paddr() const { assert(populated);
124 return entry4u & ULL(0x0000FFFFFFFFE000); }
125 bool locked() const { assert(populated);
126 return entry4u & 0x40; }
127 bool cv() const { assert(populated);
128 return entry4u & 0x10; }
129 bool cp() const { assert(populated);
130 return entry4u & 0x20; }
131 bool priv() const { assert(populated);
132 return entry4u & 0x4; }
133 bool writable() const { assert(populated);
134 return entry4u & 0x2; }
135 bool nofault() const { assert(populated);
136 return entry4u & ULL(0x1000000000000000); }
137 bool sideffect() const { assert(populated);
138 return entry4u & 0x8; }
148 inline bool operator<(const TlbRange &r2) const
150 if (real && !r2.real)
152 if (!real && r2.real)
155 if (!real && !r2.real) {
156 if (contextId < r2.contextId)
158 else if (contextId > r2.contextId)
162 if (partitionId < r2.partitionId)
164 else if (partitionId > r2.partitionId)
171 inline bool operator==(const TlbRange &r2) const
173 return va == r2.va &&
175 contextId == r2.contextId &&
176 partitionId == r2.partitionId &&
188 void serialize(std::ostream &os);
189 void unserialize(Checkpoint *cp, const std::string §ion);
194 }; // namespace SparcISA
196 #endif // __ARCH_SPARC_PAGE_TABLE_HH__