Xavi/cvw
1
0
Fork 0
forked from Github_Repos/cvw
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Renamed I/D TLBMissOrDAFault to TLBMissOrUpdateDA for consistency with UpdateDA

Browse Source
This commit is contained in:
David Harris 2023-03-01 11:18:00 -08:00
parent bd6a1dcf40
commit e78591093e
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/mmu/hptw.sv
View File

@ -91,8 +91,8 @@ module hptw (
logic [`PA_BITS-1:0] HPTWReadAdr;
logic SelHPTWAdr;
logic [`XLEN+1:0] HPTWAdrExt;
logic ITLBMissOrDAFaultF;
logic DTLBMissOrDAFaultM;
logic ITLBMissOrUpdateDAF;
logic DTLBMissOrUpdateDAM;
logic LSUAccessFaultM;
logic [`PA_BITS-1:0] HPTWAdr;
logic [1:0] HPTWRW;
@ -108,14 +108,14 @@ module hptw (
// Extract bits from CSRs and inputs
assign SvMode = SATP_REGW[`XLEN-1:`XLEN-`SVMODE_BITS];
assign BasePageTablePPN = SATP_REGW[`PPN_BITS-1:0];
assign TLBMiss = (DTLBMissOrDAFaultM | ITLBMissOrDAFaultF);
assign TLBMiss = (DTLBMissOrUpdateDAM | ITLBMissOrUpdateDAF);
// Determine which address to translate
mux2 #(`XLEN) vadrmux(PCFSpill, IEUAdrExtM[`XLEN-1:0], DTLBWalk, TranslationVAdr);
assign CurrentPPN = PTE[`PPN_BITS+9:10];
// State flops
flopenr #(1) TLBMissMReg(clk, reset, StartWalk, DTLBMissOrDAFaultM, DTLBWalk); // when walk begins, record whether it was for DTLB (or record 0 for ITLB)
flopenr #(1) TLBMissMReg(clk, reset, StartWalk, DTLBMissOrUpdateDAM, DTLBWalk); // when walk begins, record whether it was for DTLB (or record 0 for ITLB)
assign PRegEn = HPTWRW[1] & ~DCacheStallM | UpdatePTE;
flopenr #(`XLEN) PTEReg(clk, reset, PRegEn, NextPTE, PTE); // Capture page table entry from data cache
@ -275,8 +275,8 @@ module hptw (
assign SelHPTW = WalkerState != IDLE;
assign HPTWStall = (WalkerState != IDLE) | (WalkerState == IDLE & TLBMiss);
assign ITLBMissOrDAFaultF = ITLBMissF | (`SVADU_SUPPORTED & InstrUpdateDAF);
assign DTLBMissOrDAFaultM = DTLBMissM | (`SVADU_SUPPORTED & DataUpdateDAM);
assign ITLBMissOrUpdateDAF = ITLBMissF | (`SVADU_SUPPORTED & InstrUpdateDAF);
assign DTLBMissOrUpdateDAM = DTLBMissM | (`SVADU_SUPPORTED & DataUpdateDAM);
// HTPW address/data/control muxing