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ruby: add functions for computing next stride/page address

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This commit is contained in:
Nilay Vaish 2012-12-11 10:05:53 -06:00
parent 2fca1af71f
commit d502384795
2 changed files with 28 additions and 1 deletions
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23
src/mem/ruby/common/Address.cc
View file

@ -26,6 +26,8 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "arch/isa_traits.hh"
#include "config/the_isa.hh"
#include "mem/ruby/common/Address.hh"
#include "mem/ruby/system/System.hh"
@ -134,3 +136,24 @@ Address::operator=(const Address& obj)
return *this;
}
void
Address::makePageAddress()
{
m_address = maskLowOrderBits(TheISA::LogVMPageSize);
}
Address
page_address(const Address& addr)
{
Address temp = addr;
temp.makePageAddress();
return temp;
}
Address
next_stride_address(const Address& addr, int stride)
{
Address temp = addr;
temp.makeNextStrideAddress(stride);
return temp;
}

6
src/mem/ruby/common/Address.hh
View file

@ -36,7 +36,7 @@
#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;
@ -69,6 +69,7 @@ class Address
physical_address_t getLineAddress() const;
physical_address_t getOffset() const;
void makeLineAddress();
void makePageAddress();
void makeNextStrideAddress(int stride);
int getBankSetNum() const;
@ -202,6 +203,9 @@ Address::shiftLowOrderBits(int number) const
return (m_address >> number);
}
Address next_stride_address(const Address& addr, int stride);
Address page_address(const Address& addr);
__hash_namespace_begin
template <> struct hash<Address>
{