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reduce physical address space to 4GB

This commit is contained in:
Andrew Waterman 2012-11-26 20:54:56 -08:00
parent 56f9b9721d
commit 8103676b37

View File

@ -78,7 +78,7 @@ trait MemoryInterfaceConstants extends
} }
trait AddressConstants { trait AddressConstants {
val PADDR_BITS = 40; val PADDR_BITS = 32
val VADDR_BITS = 43; val VADDR_BITS = 43;
val PGIDX_BITS = 13; val PGIDX_BITS = 13;
val PPN_BITS = PADDR_BITS-PGIDX_BITS; val PPN_BITS = PADDR_BITS-PGIDX_BITS;