changeset 683e7b0b5771 in /z/repo/gem5
details: http://repo.gem5.org/gem5?cmd=changeset;node=683e7b0b5771
description:
Ruby: Change the access permissions for MOESI hammer
This patch changes the access permission for the WB_E_W state from
Busy to Read_Write to avoid having issues in follow-on patches with
functional accesses going through Ruby. This change was made after
consultation with all involved parties and is more of a work-around
than a fix.
diffstat:
src/mem/protocol/MOESI_hammer-dir.sm | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diffs (12 lines):
diff -r f2ac0bca75df -r 683e7b0b5771 src/mem/protocol/MOESI_hammer-dir.sm
--- a/src/mem/protocol/MOESI_hammer-dir.sm Tue Jan 17 12:55:07 2012 -0600
+++ b/src/mem/protocol/MOESI_hammer-dir.sm Tue Jan 17 12:55:07 2012 -0600
@@ -87,7 +87,7 @@
O_DR_B, AccessPermission:Busy, desc="Owner, Dma Read waiting for cache
responses";
WB, AccessPermission:Busy, desc="Blocked on a writeback";
WB_O_W, AccessPermission:Busy, desc="Blocked on memory write, will go to
O";
- WB_E_W, AccessPermission:Busy, desc="Blocked on memory write, will go to
E";
+ WB_E_W, AccessPermission:Read_Write, desc="Blocked on memory write, will
go to E";
NO_F, AccessPermission:Busy, desc="Blocked on a flush";
NO_F_W, AccessPermission:Busy, desc="Not Owner, Blocked, waiting for Dram";
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