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Merge pull request #388 from davidharrishmc/dev

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minor touchups, including legal SATP
This commit is contained in:
Ross Thompson 2023-08-24 09:00:39 -05:00 committed by GitHub
commit bac6779af4
3 changed files with 13 additions and 7 deletions
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8
src/privileged/csrs.sv
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@ -88,8 +88,12 @@ module csrs import cvw::*; #(parameter cvw_t P) (
assign WriteSEPCM = STrapM | (CSRSWriteM & (CSRAdrM == SEPC));
assign WriteSCAUSEM = STrapM | (CSRSWriteM & (CSRAdrM == SCAUSE));
assign WriteSTVALM = STrapM | (CSRSWriteM & (CSRAdrM == STVAL));
if(P.XLEN == 64) assign WriteSATPM = CSRSWriteM & (CSRAdrM == SATP) & (PrivilegeModeW == P.M_MODE | ~STATUS_TVM) & (CSRWriteValM[63:60] != 4'hA);
else assign WriteSATPM = CSRSWriteM & (CSRAdrM == SATP) & (PrivilegeModeW == P.M_MODE | ~STATUS_TVM);
if(P.XLEN == 64) begin
logic LegalSatpModeM;
assign LegalSatpModeM = P.VIRTMEM_SUPPORTED & (CSRWriteValM[63:60] == 0 | CSRWriteValM[63:60] == 8 | CSRWriteValM[63:60] == 9); // supports SV39 and 48
assign WriteSATPM = CSRSWriteM & (CSRAdrM == SATP) & (PrivilegeModeW == P.M_MODE | ~STATUS_TVM) & LegalSatpModeM;
end else // RV32
assign WriteSATPM = CSRSWriteM & (CSRAdrM == SATP) & (PrivilegeModeW == P.M_MODE | ~STATUS_TVM) & P.VIRTMEM_SUPPORTED;
assign WriteSCOUNTERENM = CSRSWriteM & (CSRAdrM == SCOUNTEREN);
assign WriteSENVCFGM = CSRSWriteM & (CSRAdrM == SENVCFG);
assign WriteSTIMECMPM = CSRSWriteM & (CSRAdrM == STIMECMP) & STCE;

6
synthDC/Makefile
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@ -94,10 +94,10 @@ endif
ifneq ($(MOD), orig)
# PMP 0
sed -i 's/PMP_ENTRIES \(64\|16\|0\)/PMP_ENTRIES 0/' $(CONFIGDIR)/config.vh
sed -i 's/PMP_ENTRIES \(64\|16\|0\)/PMP_ENTRIES = 0;/' $(CONFIGDIR)/config.vh
ifneq ($(MOD), PMP0)
# no priv
sed -i 's/ZICSR_SUPPORTED *1/ZICSR_SUPPORTED 0/' $(CONFIGDIR)/config.vh
sed -i 's/ZICSR_SUPPORTED *1/ZICSR_SUPPORTED = 0;/' $(CONFIGDIR)/config.vh
ifneq ($(MOD), noPriv)
# turn off FPU
sed -i 's/1 *<< *3/0 << 3/' $(CONFIGDIR)/config.vh
@ -128,7 +128,7 @@ mkdirecs:
@mkdir -p $(OUTPUTDIR)/mapped
@mkdir -p $(OUTPUTDIR)/unmapped
synth: mkdirecs configs rundc clean
synth: mkdirecs configs rundc # clean
rundc:
ifeq ($(TECH), tsmc28psyn)

6
synthDC/scripts/synth.tcl
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@ -25,7 +25,9 @@ set maxopt $::env(MAXOPT)
set drive $::env(DRIVE)
eval file copy -force [glob ${cfg}/*.vh] {$outputDir/hdl/}
eval file copy -force [glob ${hdl_src}/*.sv] {$outputDir/hdl/}
eval file copy -force [glob ${cfg}/*.vh] {$outputDir/hdl/}
eval file copy -force [glob ${hdl_src}/cvw.sv] {$outputDir/hdl/}
eval file copy -force [glob ${hdl_src}/../fpga/src/wallypipelinedsocwrapper.sv] {$outputDir/hdl/}
eval file copy -force [glob ${hdl_src}/*/*.sv] {$outputDir/hdl/}
eval file copy -force [glob ${hdl_src}/*/*/*.sv] {$outputDir/hdl/}
@ -74,7 +76,7 @@ if { [shell_is_in_topographical_mode] } {
#set alib_library_analysis_path ./$outputDir
define_design_lib WORK -path ./$outputDir/WORK
analyze -f sverilog -lib WORK $my_verilog_files
elaborate $my_toplevel -lib WORK
elaborate $my_toplevel -parameter P -lib WORK
# Set the current_design
current_design $my_toplevel