-
/*
* Copyright (c) 1999 Mark D. Hill and David A. Wood
* All rights reserved.
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-/*
- * $Id$
- */
-
-#ifndef ADDRESS_H
-#define ADDRESS_H
+#ifndef __MEM_RUBY_COMMON_ADDRESS_HH__
+#define __MEM_RUBY_COMMON_ADDRESS_HH__
+#include <cassert>
#include <iomanip>
-#include "mem/ruby/common/Global.hh"
-#include "mem/ruby/system/System.hh"
-#include "mem/ruby/system/NodeID.hh"
-#include "mem/ruby/system/MachineID.hh"
+#include <iostream>
+
+#include "base/hashmap.hh"
+#include "mem/ruby/common/TypeDefines.hh"
-const int ADDRESS_WIDTH = 64; // address width in bytes
+const uint32_t ADDRESS_WIDTH = 64; // address width in bytes
class Address;
typedef Address PhysAddress;
typedef Address VirtAddress;
-class Address {
-public:
- // Constructors
- Address() { m_address = 0; }
- explicit Address(physical_address_t address) { m_address = address; }
-
- Address(const Address& obj);
- Address& operator=(const Address& obj);
-
- // Destructor
- // ~Address();
-
- // Public Methods
-
- void setAddress(physical_address_t address) { m_address = address; }
- physical_address_t getAddress() const {return m_address;}
- // selects bits inclusive
- physical_address_t bitSelect(int small, int big) const;
- physical_address_t maskLowOrderBits(int number) const;
- physical_address_t maskHighOrderBits(int number) const;
- physical_address_t shiftLowOrderBits(int number) const;
- physical_address_t getLineAddress() const
- { return bitSelect(RubySystem::getBlockSizeBits(), ADDRESS_WIDTH); }
- physical_address_t getOffset() const
- { return bitSelect(0, RubySystem::getBlockSizeBits()-1); }
-
- void makeLineAddress() { m_address = maskLowOrderBits(RubySystem::getBlockSizeBits()); }
- // returns the next stride address based on line address
- void makeNextStrideAddress( int stride) {
- m_address = maskLowOrderBits(RubySystem::getBlockSizeBits())
- + RubySystem::getBlockSizeBytes()*stride;
- }
- int getBankSetNum() const;
- int getBankSetDist() const;
-
- Index memoryModuleIndex() const;
-
- void print(ostream& out) const;
- void output(ostream& out) const;
- void input(istream& in);
-
- void setOffset( int offset ){
- // first, zero out the offset bits
- makeLineAddress();
- m_address |= (physical_address_t) offset;
- }
-
-private:
- // Private Methods
-
- // Private copy constructor and assignment operator
- // Address(const Address& obj);
- // Address& operator=(const Address& obj);
-
- // Data Members (m_ prefix)
- physical_address_t m_address;
+class Address
+{
+ public:
+ Address()
+ : m_address(0)
+ { }
+
+ explicit
+ Address(physical_address_t address)
+ : m_address(address)
+ { }
+
+ Address(const Address& obj);
+ Address& operator=(const Address& obj);
+
+ void setAddress(physical_address_t address) { m_address = address; }
+ physical_address_t getAddress() const {return m_address;}
+ // selects bits inclusive
+ physical_address_t bitSelect(unsigned int small, unsigned int big) const;
+ physical_address_t bitRemove(unsigned int small, unsigned int big) const;
+ physical_address_t maskLowOrderBits(unsigned int number) const;
+ physical_address_t maskHighOrderBits(unsigned int number) const;
+ physical_address_t shiftLowOrderBits(unsigned int number) const;
+
+ physical_address_t getLineAddress() const;
+ physical_address_t getOffset() const;
+ void makeLineAddress();
+ void makeNextStrideAddress(int stride);
+
+ int64 memoryModuleIndex() const;
+
+ void print(std::ostream& out) const;
+ void output(std::ostream& out) const;
+ void input(std::istream& in);
+
+ void
+ setOffset(int offset)
+ {
+ // first, zero out the offset bits
+ makeLineAddress();
+ m_address |= (physical_address_t) offset;
+ }
+
+ private:
+ physical_address_t m_address;
};
-inline
-Address line_address(const Address& addr) { Address temp(addr); temp.makeLineAddress(); return temp; }
-
-// Output operator declaration
-ostream& operator<<(ostream& out, const Address& obj);
-// comparison operator declaration
-bool operator==(const Address& obj1, const Address& obj2);
-bool operator!=(const Address& obj1, const Address& obj2);
-bool operator<(const Address& obj1, const Address& obj2);
-/* Address& operator=(const physical_address_t address); */
-
-inline
-bool operator<(const Address& obj1, const Address& obj2)
+inline Address
+line_address(const Address& addr)
{
- return obj1.getAddress() < obj2.getAddress();
+ Address temp(addr);
+ temp.makeLineAddress();
+ return temp;
}
-// ******************* Definitions *******************
-
-// Output operator definition
-inline
-ostream& operator<<(ostream& out, const Address& obj)
+inline bool
+operator<(const Address& obj1, const Address& obj2)
{
- obj.print(out);
- out << flush;
- return out;
+ return obj1.getAddress() < obj2.getAddress();
}
-inline
-bool operator==(const Address& obj1, const Address& obj2)
+inline std::ostream&
+operator<<(std::ostream& out, const Address& obj)
{
- return (obj1.getAddress() == obj2.getAddress());
+ obj.print(out);
+ out << std::flush;
+ return out;
}
-inline
-bool operator!=(const Address& obj1, const Address& obj2)
+inline bool
+operator==(const Address& obj1, const Address& obj2)
{
- return (obj1.getAddress() != obj2.getAddress());
+ return (obj1.getAddress() == obj2.getAddress());
}
-inline
-physical_address_t Address::bitSelect(int small, int big) const // rips bits inclusive
+inline bool
+operator!=(const Address& obj1, const Address& obj2)
{
- physical_address_t mask;
- assert(big >= small);
-
- if (big >= ADDRESS_WIDTH - 1) {
- return (m_address >> small);
- } else {
- mask = ~((physical_address_t)~0 << (big + 1));
- // FIXME - this is slow to manipulate a 64-bit number using 32-bits
- physical_address_t partial = (m_address & mask);
- return (partial >> small);
- }
+ return (obj1.getAddress() != obj2.getAddress());
}
-inline
-physical_address_t Address::maskLowOrderBits(int number) const
+// rips bits inclusive
+inline physical_address_t
+Address::bitSelect(unsigned int small, unsigned int big) const
{
- physical_address_t mask;
+ physical_address_t mask;
+ assert(big >= small);
+
+ if (big >= ADDRESS_WIDTH - 1) {
+ return (m_address >> small);
+ } else {
+ mask = ~((physical_address_t)~0 << (big + 1));
+ // FIXME - this is slow to manipulate a 64-bit number using 32-bits
+ physical_address_t partial = (m_address & mask);
+ return (partial >> small);
+ }
+}
- if (number >= ADDRESS_WIDTH - 1) {
- mask = ~0;
- } else {
- mask = (physical_address_t)~0 << number;
- }
- return (m_address & mask);
+// removes bits inclusive
+inline physical_address_t
+Address::bitRemove(unsigned int small, unsigned int big) const
+{
+ physical_address_t mask;
+ assert(big >= small);
+
+ if (small >= ADDRESS_WIDTH - 1) {
+ return m_address;
+ } else if (big >= ADDRESS_WIDTH - 1) {
+ mask = (physical_address_t)~0 >> small;
+ return (m_address & mask);
+ } else if (small == 0) {
+ mask = (physical_address_t)~0 << big;
+ return (m_address & mask);
+ } else {
+ mask = ~((physical_address_t)~0 << small);
+ physical_address_t lower_bits = m_address & mask;
+ mask = (physical_address_t)~0 << (big + 1);
+ physical_address_t higher_bits = m_address & mask;
+
+ // Shift the valid high bits over the removed section
+ higher_bits = higher_bits >> (big - small + 1);
+ return (higher_bits | lower_bits);
+ }
}
-inline
-physical_address_t Address::maskHighOrderBits(int number) const
+inline physical_address_t
+Address::maskLowOrderBits(unsigned int number) const
{
physical_address_t mask;
if (number >= ADDRESS_WIDTH - 1) {
- mask = ~0;
+ mask = ~0;
} else {
- mask = (physical_address_t)~0 >> number;
+ mask = (physical_address_t)~0 << number;
}
return (m_address & mask);
}
-inline
-physical_address_t Address::shiftLowOrderBits(int number) const
+inline physical_address_t
+Address::maskHighOrderBits(unsigned int number) const
{
- return (m_address >> number);
+ physical_address_t mask;
+
+ if (number >= ADDRESS_WIDTH - 1) {
+ mask = ~0;
+ } else {
+ mask = (physical_address_t)~0 >> number;
+ }
+ return (m_address & mask);
}
-inline
-integer_t Address::memoryModuleIndex() const
+inline physical_address_t
+Address::shiftLowOrderBits(unsigned int number) const
{
- integer_t index = bitSelect(RubySystem::getBlockSizeBits()+RubySystem::getMemorySizeBits(), ADDRESS_WIDTH);
- assert (index >= 0);
- return index;
-
- // Index indexHighPortion = address.bitSelect(MEMORY_SIZE_BITS-1, PAGE_SIZE_BITS+NUMBER_OF_MEMORY_MODULE_BITS);
- // Index indexLowPortion = address.bitSelect(DATA_BLOCK_BITS, PAGE_SIZE_BITS-1);
-
- //Index index = indexLowPortion | (indexHighPortion << (PAGE_SIZE_BITS - DATA_BLOCK_BITS));
-
- /*
- Round-robin mapping of addresses, at page size granularity
-
-ADDRESS_WIDTH MEMORY_SIZE_BITS PAGE_SIZE_BITS DATA_BLOCK_BITS
- | | | |
- \ / \ / \ / \ / 0
- -----------------------------------------------------------------------
- | unused |xxxxxxxxxxxxxxx| |xxxxxxxxxxxxxxx| |
- | |xxxxxxxxxxxxxxx| |xxxxxxxxxxxxxxx| |
- -----------------------------------------------------------------------
- indexHighPortion indexLowPortion
- <------->
- NUMBER_OF_MEMORY_MODULE_BITS
- */
+ return (m_address >> number);
}
-inline
-void Address::print(ostream& out) const
+Address next_stride_address(const Address& addr, int stride);
+
+__hash_namespace_begin
+template <> struct hash<Address>
{
- out << "[" << hex << "0x" << m_address << "," << " line 0x" << maskLowOrderBits(RubySystem::getBlockSizeBits()) << dec << "]" << flush;
-}
+ size_t
+ operator()(const Address &s) const
+ {
+ return (size_t)s.getAddress();
+ }
+};
+__hash_namespace_end
-class Address;
-namespace __gnu_cxx {
- template <> struct hash<Address>
- {
- size_t operator()(const Address &s) const { return (size_t) s.getAddress(); }
- };
-}
namespace std {
- template <> struct equal_to<Address>
- {
- bool operator()(const Address& s1, const Address& s2) const { return s1 == s2; }
- };
-}
-
-#endif //ADDRESS_H
+template <> struct equal_to<Address>
+{
+ bool
+ operator()(const Address& s1, const Address& s2) const
+ {
+ return s1 == s2;
+ }
+};
+} // namespace std
+#endif // __MEM_RUBY_COMMON_ADDRESS_HH__
projects / gem5.git / blobdiff