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Merge pull request #211 from ross144/main

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Fixes the issue introduced by the fix for issue 203
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David Harris 2023-04-05 21:50:32 -07:00 committed by GitHub
commit 4e3af7bca7
1 changed files with 1 additions and 1 deletions
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src/mmu/hptw.sv
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@ -288,7 +288,7 @@ module hptw (
default: NextWalkerState = IDLE; // should never be reached default: NextWalkerState = IDLE; // should never be reached
endcase // case (WalkerState) endcase // case (WalkerState)
assign IgnoreRequestTLB = WalkerState == IDLE & TLBMiss; assign IgnoreRequestTLB = (WalkerState == IDLE & TLBMiss) | (LSUAccessFaultM); // RT : 05 April 2023 if hptw request has pmp/a fault suppress bus access.
assign SelHPTW = WalkerState != IDLE; assign SelHPTW = WalkerState != IDLE;
assign HPTWAccessFaultDelay = HPTWLoadAccessFaultDelay | HPTWStoreAmoAccessFaultDelay | HPTWInstrAccessFaultDelay; assign HPTWAccessFaultDelay = HPTWLoadAccessFaultDelay | HPTWStoreAmoAccessFaultDelay | HPTWInstrAccessFaultDelay;
assign HPTWStall = (WalkerState != IDLE) | (WalkerState == IDLE & TLBMiss & ~(HPTWAccessFaultDelay)); assign HPTWStall = (WalkerState != IDLE) | (WalkerState == IDLE & TLBMiss & ~(HPTWAccessFaultDelay));