Changeset 0882a9a in mainline for genarch/src/mm/asid_fifo.c

Timestamp:

2006-02-10T16:11:14Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

ecbdc724

Parents:

d0a0f12

Message:

Make use of one unused bit in PTE formats of amd64, ia32 and mips32 to store 1 in valid mappings.
This helps to distinguish valid entries from not present entries with 0 content (i.e. not present
entries with PFN 0 and other bits cleared).

File:

• genarch/src/mm/asid_fifo.c (modified) (1 diff)

genarch/src/mm/asid_fifo.c

@@ -35 +35 @@
 #define FIFO_STATIC_LIMIT       1024
 #define FIFO_STATIC             (ASIDS_ALLOCABLE<FIFO_STATIC_LIMIT)
+
 /**
  * FIFO queue containing unassigned ASIDs.