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Merge pull request #126 from davidharrishmc/dev

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ImperasDV setup
This commit is contained in:
Ross Thompson 2023-03-03 18:01:32 -06:00 • committed by GitHub
commit da74ed0369
3 changed files with 22 additions and 11 deletions
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17
setup.sh
View file

@ -16,15 +16,15 @@ echo \$WALLY set to ${WALLY}
# Must edit these based on your local environment. Ask your sysadmin.
export MGLS_LICENSE_FILE=27002@zircon.eng.hmc.edu # Change this to your Siemens license server
export SNPSLMD_LICENSE_FILE=27020@zircon.eng.hmc.edu # Change this to your Synopsys license server
export QUESTAPATH=/cad/mentor/questa_sim-2022.4_2/questasim/bin # Change this for your path to Questa
export SNPSPATH=/cad/synopsys/SYN/bin # Change this for your path to Design Compiler
export QUESTA_HOME=/cad/mentor/questa_sim-2022.4_2/questasim # Change this for your path to Questa, excluding bin
export SNPS_HOME=/cad/synopsys/SYN # Change this for your path to Design Compiler, excluding bin
# Path to RISC-V Tools
export RISCV=/opt/riscv # change this if you installed the tools in a different location
# Tools
# Questa and Synopsys
export PATH=$QUESTAPATH:$SNPSPATH:$PATH
export PATH=$QUESTA_HOME/bin:$SNPS_HOME/bin:$PATH
# GCC
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$RISCV/riscv-gnu-toolchain/lib:$RISCV/riscv-gnu-toolchain/riscv64-unknown-elf/lib
export PATH=$PATH:$RISCV/riscv-gnu-toolchain/bin:$RISCV/riscv-gnu-toolchain/riscv64-unknown-elf/bin # GCC tools
@ -42,4 +42,15 @@ export PATH=/usr/local/bin/verilator:$PATH # Change this for your path to Verila
#export PATH=$RISCV/imperas-riscv-tests/riscv-ovpsim-plus/bin/Linux64:$PATH
#export LD_LIBRARY_PATH=$RISCV/imperas_riscv_tests/riscv-ovpsim-plus/bin/Linux64:$LD_LIBRARY_PATH # remove if no imperas
export IDV=$RISCV/ImperasDV-OpenHW
if [ -e "$IDV" ]; then
# echo "Imperas exists"
export IMPERAS_HOME=$IDV/Imperas
export IMPERAS_PERSONALITY=CPUMAN_DV_ASYNC
export ROOTDIR=~/
source ${IDV}/Imperas/bin/setup.sh
setupImperas ${IDV}/Imperas
fi
echo "setup done"

4
src/fpu/fdivsqrt/fdivsqrtfsm.sv
View file

@ -60,9 +60,9 @@ module fdivsqrtfsm(
assign IFDivStartE = (FDivStartE | (IDivStartE & `IDIV_ON_FPU)) & (state == IDLE) & ~StallM;
assign FDivDoneE = (state == DONE);
assign FDivBusyE = (state == BUSY) | IFDivStartE;
// terminate immediately on special cases
assign FSpecialCaseE = XZeroE | (YZeroE&~SqrtE) | XInfE | YInfE | XNaNE | YNaNE | (XsE&SqrtE);
assign FSpecialCaseE = XZeroE | | XInfE | XNaNE | (XsE&SqrtE) | (YZeroE | YInfE | YNaNE)&~SqrtE;
if (`IDIV_ON_FPU) assign SpecialCaseE = IntDivE ? ISpecialCaseE : FSpecialCaseE;
else assign SpecialCaseE = FSpecialCaseE;
flopenr #(1) SpecialCaseReg(clk, reset, IFDivStartE, SpecialCaseE, SpecialCaseM); // save SpecialCase for checking in fdivsqrtpostproc

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