#ifndef __ARCH_SPARC_PAGETABLE_HH__
#define __ARCH_SPARC_PAGETABLE_HH__
+#include <cassert>
+
#include "arch/sparc/isa_traits.hh"
#include "base/bitfield.hh"
#include "base/misc.hh"
class Checkpoint;
-namespace SparcISA
-{
+namespace SparcISA {
+
struct VAddr
{
VAddr(Addr a) { panic("not implemented yet."); }
public:
TteTag() : entry(0), populated(false) {}
TteTag(uint64_t e) : entry(e), populated(true) {}
- const TteTag &operator=(uint64_t e) { populated = true;
- entry = e; return *this; }
+
+ const TteTag &
+ operator=(uint64_t e)
+ {
+ populated = true;
+ entry = e;
+ return *this;
+ }
+
bool valid() const {assert(populated); return !bits(entry,62,62); }
Addr va() const {assert(populated); return bits(entry,41,0); }
};
uint64_t entry4u;
bool populated;
-
public:
- PageTableEntry() : entry(0), type(invalid), populated(false) {}
+ PageTableEntry()
+ : entry(0), type(invalid), populated(false)
+ {}
PageTableEntry(uint64_t e, EntryType t = sun4u)
: entry(e), type(t), populated(true)
-
{
populate(entry, type);
}
}
}
- void clear()
+ void
+ clear()
{
populated = false;
}
static int pageSizes[6];
-
uint64_t operator()() const { assert(populated); return entry4u; }
- const PageTableEntry &operator=(uint64_t e) { populated = true;
- entry4u = e; return *this; }
-
- const PageTableEntry &operator=(const PageTableEntry &e)
- { populated = true; entry4u = e.entry4u; type = e.type; return *this; }
-
- bool valid() const { return bits(entry4u,63,63) && populated; }
- uint8_t _size() const { assert(populated);
- return bits(entry4u, 62,61) |
- bits(entry4u, 48,48) << 2; }
- Addr size() const { assert(_size() < 6); return pageSizes[_size()]; }
- Addr sizeMask() const { assert(_size() < 6); return pageSizes[_size()]-1;}
- bool ie() const { return bits(entry4u, 59,59); }
- Addr pfn() const { assert(populated); return bits(entry4u,39,13); }
- Addr paddr() const { assert(populated); return mbits(entry4u, 39,13);}
- bool locked() const { assert(populated); return bits(entry4u,6,6); }
- bool cv() const { assert(populated); return bits(entry4u,4,4); }
- bool cp() const { assert(populated); return bits(entry4u,5,5); }
- bool priv() const { assert(populated); return bits(entry4u,2,2); }
- bool writable() const { assert(populated); return bits(entry4u,1,1); }
- bool nofault() const { assert(populated); return bits(entry4u,60,60); }
- bool sideffect() const { assert(populated); return bits(entry4u,3,3); }
- Addr paddrMask() const { assert(populated);
- return mbits(entry4u, 39,13) & ~sizeMask(); }
+ const PageTableEntry &
+ operator=(uint64_t e)
+ {
+ populated = true;
+ entry4u = e;
+ return *this;
+ }
+
+ const PageTableEntry &
+ operator=(const PageTableEntry &e)
+ {
+ populated = true;
+ entry4u = e.entry4u;
+ type = e.type;
+ return *this;
+ }
+
+ bool valid() const { return bits(entry4u,63,63) && populated; }
+
+ uint8_t
+ _size() const
+ {
+ assert(populated);
+ return bits(entry4u, 62,61) | bits(entry4u, 48,48) << 2;
+ }
+
+ Addr size() const { assert(_size() < 6); return pageSizes[_size()]; }
+ Addr sizeMask() const { return size() - 1; }
+ bool ie() const { return bits(entry4u, 59,59); }
+ Addr pfn() const { assert(populated); return bits(entry4u,39,13); }
+ Addr paddr() const { assert(populated); return mbits(entry4u, 39,13);}
+ bool locked() const { assert(populated); return bits(entry4u,6,6); }
+ bool cv() const { assert(populated); return bits(entry4u,4,4); }
+ bool cp() const { assert(populated); return bits(entry4u,5,5); }
+ bool priv() const { assert(populated); return bits(entry4u,2,2); }
+ bool writable() const { assert(populated); return bits(entry4u,1,1); }
+ bool nofault() const { assert(populated); return bits(entry4u,60,60); }
+ bool sideffect() const { assert(populated); return bits(entry4u,3,3); }
+ Addr paddrMask() const { assert(populated); return paddr() & ~sizeMask(); }
+
+ Addr
+ translate(Addr vaddr) const
+ {
+ assert(populated);
+ Addr mask = sizeMask();
+ return (paddr() & ~mask) | (vaddr & mask);
+ }
};
-struct TlbRange {
+struct TlbRange
+{
Addr va;
Addr size;
int contextId;
int partitionId;
bool real;
- inline bool operator<(const TlbRange &r2) const
+ inline bool
+ operator<(const TlbRange &r2) const
{
if (real && !r2.real)
return true;
return true;
return false;
}
- inline bool operator==(const TlbRange &r2) const
+
+ inline bool
+ operator==(const TlbRange &r2) const
{
return va == r2.va &&
size == r2.size &&
};
-struct TlbEntry {
+struct TlbEntry
+{
+ TlbEntry()
+ {}
+
+ TlbEntry(Addr asn, Addr vaddr, Addr paddr)
+ {
+ uint64_t entry = 0;
+ entry |= 1ULL << 1; // Writable
+ entry |= 0ULL << 2; // Available in nonpriveleged mode
+ entry |= 0ULL << 3; // No side effects
+ entry |= 1ULL << 4; // Virtually cachable
+ entry |= 1ULL << 5; // Physically cachable
+ entry |= 0ULL << 6; // Not locked
+ entry |= mbits(paddr, 39, 13); // Physical address
+ entry |= 0ULL << 48; // size = 8k
+ entry |= 0uLL << 59; // Endianness not inverted
+ entry |= 0ULL << 60; // Not no fault only
+ entry |= 0ULL << 61; // size = 8k
+ entry |= 1ULL << 63; // valid
+ pte = PageTableEntry(entry);
+
+ range.va = vaddr;
+ range.size = 8*(1<<10);
+ range.contextId = asn;
+ range.partitionId = 0;
+ range.real = false;
+
+ valid = true;
+ }
+
TlbRange range;
PageTableEntry pte;
bool used;
bool valid;
+ Addr pageStart()
+ {
+ return pte.paddr();
+ }
+
+ void
+ updateVaddr(Addr new_vaddr)
+ {
+ range.va = new_vaddr;
+ }
+
void serialize(std::ostream &os);
void unserialize(Checkpoint *cp, const std::string §ion);
-
};
-
-}; // namespace SparcISA
+} // namespace SparcISA
#endif // __ARCH_SPARC_PAGE_TABLE_HH__
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