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mem-ruby: Revert Writeback CHI UD_RU line at local evict

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This reverts commit d613d814a431525e122552a667eed653a057f2be.

Change-Id: I50e218b7debf3a2836ce12515d8fcb6c0b38df53
This commit is contained in:
Minje Jun
2024-01-31 13:42:32 +09:00
committed by Minje Jun
parent e141d9e4d0
commit 1b5d92ee9c
2 changed files with 9 additions and 9 deletions
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8
src/mem/ruby/protocol/chi/CHI-cache-funcs.sm
View File

@@ -892,10 +892,10 @@ void copyCacheAndDir(CacheEntry cache_entry, DirEntry dir_entry,
if (is_valid(cache_entry) &&
((initialState == State:UD) || (initialState == State:SD) ||
(initialState == State:UC) || (initialState == State:SC) ||
(initialState == State:UD_RU) || (initialState == State:UD_RSC) ||
(initialState == State:SD_RSC) || (initialState == State:UC_RSC) ||
(initialState == State:SC_RSC) || (initialState == State:UD_RSD) ||
(initialState == State:SD_RSD) || (initialState == State:UD_T))) {
(initialState == State:UD_RSC) || (initialState == State:SD_RSC) ||
(initialState == State:UC_RSC) || (initialState == State:SC_RSC) ||
(initialState == State:UD_RSD) || (initialState == State:SD_RSD) ||
(initialState == State:UD_T))) {
tbe.dataBlk := cache_entry.DataBlk;
tbe.dataBlkValid.fillMask();
tbe.dataValid := true;

10
src/mem/ruby/protocol/chi/CHI-cache-transitions.sm
View File

@@ -710,10 +710,10 @@ transition({UD_RSC, UC_RSC, SC_RSC, SD_RSC, UD, RU, RSD, RUSD, RUSC, UD_RSD, SD_
// Cache Replacement
// When in UC_RU,UD_RSD,SD_RSD we also just drop the line since an upstream
// When in UD_RU,UC_RU,UD_RSD,SD_RSD we also just drop the line since an upstream
// cache has an up-to-data line that it will either WriteBack or WriteEvict
transition({SC,UC,SC_RSC,UC_RSC,
UC_RU,UD_RSD,SD_RSD}, LocalHN_Eviction, BUSY_BLKD) {ReplTBEAvailable} {
UD_RU,UC_RU,UD_RSD,SD_RSD}, LocalHN_Eviction, BUSY_BLKD) {ReplTBEAvailable} {
Initiate_Replacement;
Initiate_Replacement_JustDrop;
Profile_Eviction;
@@ -722,7 +722,7 @@ transition({SC,UC,SC_RSC,UC_RSC,
ProcessNextState;
}
transition({UD,SD,UD_RU,UD_RSC,SD_RSC}, LocalHN_Eviction, BUSY_BLKD) {ReplTBEAvailable} {
transition({UD,SD,UD_RSC,SD_RSC}, LocalHN_Eviction, BUSY_BLKD) {ReplTBEAvailable} {
Initiate_Replacement;
Initiate_Replacement_WB;
Profile_Eviction;
@@ -749,7 +749,7 @@ transition({UD,SD,UC}, Local_Eviction, BUSY_BLKD) {ReplTBEAvailable} {
ProcessNextState;
}
transition({UC_RU,UD_RSD,SD_RSD,SC_RSC,UC_RSC}, Local_Eviction, BUSY_BLKD) {ReplTBEAvailable} {
transition({UD_RU,UC_RU,UD_RSD,SD_RSD,SC_RSC,UC_RSC}, Local_Eviction, BUSY_BLKD) {ReplTBEAvailable} {
Initiate_Replacement;
Initiate_Replacement_JustDrop;
Profile_Eviction;
@@ -758,7 +758,7 @@ transition({UC_RU,UD_RSD,SD_RSD,SC_RSC,UC_RSC}, Local_Eviction, BUSY_BLKD) {Repl
ProcessNextState;
}
transition({UD_RU,UD_RSC,SD_RSC}, Local_Eviction, BUSY_BLKD) {ReplTBEAvailable} {
transition({UD_RSC,SD_RSC}, Local_Eviction, BUSY_BLKD) {ReplTBEAvailable} {
Initiate_Replacement;
Initiate_Replacement_WB;
Profile_Eviction;