Github_Repos/cvw
1
0
Fork 1
mirror of https://github.com/openhwgroup/cvw synced 2025-02-11 06:05:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fixed a bug with the hptw configuration not correctly avoiding UPDATE_PTE state.

Browse Source
This commit is contained in:
Ross Thompson 2022-11-14 16:02:20 -06:00
parent b53f8eceef
commit 3df51716b1
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
pipelined/src/mmu/hptw.sv
View File

@ -262,9 +262,9 @@ module hptw (
else NextWalkerState = LEAF;
L0_RD: if (DCacheStallM) NextWalkerState = L0_RD;
else NextWalkerState = LEAF;
LEAF: if (DAPageFault) NextWalkerState = UPDATE_PTE;
LEAF: if (`HPTW_WRITES_SUPPORTED & DAPageFault) NextWalkerState = UPDATE_PTE;
else NextWalkerState = IDLE;
UPDATE_PTE: if(`HPTW_WRITES_SUPPORTED & DCacheStallM) NextWalkerState = UPDATE_PTE;
UPDATE_PTE: if(DCacheStallM) NextWalkerState = UPDATE_PTE;
else NextWalkerState = LEAF;
default: NextWalkerState = IDLE; // should never be reached
endcase // case (WalkerState)