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get current privilege level from GDB for checkpoints

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bbracker 2021-11-15 14:49:00 -08:00
parent 3dd83b3113
commit 2203590f9f
2 changed files with 5 additions and 6 deletions
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5
tests/linux-testgen/testvector-generation/parseState.py
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@ -34,7 +34,8 @@ stateGDBpath = outDir+'intermediate-outputs/stateGDB.txt'
if not os.path.exists(stateGDBpath): if not os.path.exists(stateGDBpath):
sys.exit('Error input file '+stateGDBpath+'not found') sys.exit('Error input file '+stateGDBpath+'not found')
singleCSRs = ['pc','mip','mie','mscratch','mcause','mepc','mtvec','medeleg','mideleg','sscratch','scause','sepc','stvec','sedeleg','sideleg','satp','mstatus'] singleCSRs = ['pc','mip','mie','mscratch','mcause','mepc','mtvec','medeleg','mideleg','sscratch','scause','sepc','stvec','sedeleg','sideleg','satp','mstatus','priv']
# priv (current privilege mode) isn't technically a CSR but we can log it with the same machinery
thirtyTwoBitCSRs = ['mcounteren','scounteren'] thirtyTwoBitCSRs = ['mcounteren','scounteren']
listCSRs = ['hpmcounter','pmpaddr'] listCSRs = ['hpmcounter','pmpaddr']
pmpcfg = ['pmpcfg'] pmpcfg = ['pmpcfg']
@ -75,7 +76,7 @@ with open(stateGDBpath, 'r') as stateGDB:
outFile = open(outDir+outFileName, 'w') outFile = open(outDir+outFileName, 'w')
outFile.write(val+'\n') outFile.write(val+'\n')
outFile.close() outFile.close()
if name in thirtyTwoBitCSRs: elif name in thirtyTwoBitCSRs:
outFileName = 'checkpoint-'+name.upper() outFileName = 'checkpoint-'+name.upper()
outFile = open(outDir+outFileName, 'w') outFile = open(outDir+outFileName, 'w')
val = int(val,16) & 0xffffffff val = int(val,16) & 0xffffffff

6
wally-pipelined/testbench/testbench-linux.sv
View File

@ -197,7 +197,7 @@ module testbench();
`define STATUS_MIE `CSR_BASE.csrsr.STATUS_MIE `define STATUS_MIE `CSR_BASE.csrsr.STATUS_MIE
`define STATUS_SIE `CSR_BASE.csrsr.STATUS_SIE `define STATUS_SIE `CSR_BASE.csrsr.STATUS_SIE
`define STATUS_UIE `CSR_BASE.csrsr.STATUS_UIE `define STATUS_UIE `CSR_BASE.csrsr.STATUS_UIE
`define CURR_PRIV dut.hart.priv.privmodereg.q `define PRIV dut.hart.priv.privmodereg.q
`define INSTRET dut.hart.priv.csr.genblk1.counters.genblk1.genblk2.INSTRETreg.q `define INSTRET dut.hart.priv.csr.genblk1.counters.genblk1.genblk2.INSTRETreg.q
// Common Macros // Common Macros
`define checkCSR(CSR) \ `define checkCSR(CSR) \
@ -289,11 +289,11 @@ module testbench();
`INIT_CHECKPOINT_VAL(MTVEC, [`XLEN-1:0]); `INIT_CHECKPOINT_VAL(MTVEC, [`XLEN-1:0]);
`INIT_CHECKPOINT_VAL(STVEC, [`XLEN-1:0]); `INIT_CHECKPOINT_VAL(STVEC, [`XLEN-1:0]);
`INIT_CHECKPOINT_VAL(SATP, [`XLEN-1:0]); `INIT_CHECKPOINT_VAL(SATP, [`XLEN-1:0]);
`INIT_CHECKPOINT_VAL(PRIV, [1:0]);
`MAKE_CHECKPOINT_INIT_SIGNAL(MSTATUS, [`XLEN-1:0],0,0); `MAKE_CHECKPOINT_INIT_SIGNAL(MSTATUS, [`XLEN-1:0],0,0);
integer ramFile; integer ramFile;
integer readResult; integer readResult;
assign initPriv = (initPC[0][`XLEN-1]) ? 2'h1 : 2'h3; // *** a hacky way to detect initial privilege level
initial begin initial begin
force dut.hart.priv.SwIntM = 0; force dut.hart.priv.SwIntM = 0;
force dut.hart.priv.TimerIntM = 0; force dut.hart.priv.TimerIntM = 0;
@ -325,7 +325,6 @@ module testbench();
force {`STATUS_SPIE,`STATUS_UPIE,`STATUS_MIE} = initMSTATUS[0][5:3]; force {`STATUS_SPIE,`STATUS_UPIE,`STATUS_MIE} = initMSTATUS[0][5:3];
force {`STATUS_SIE,`STATUS_UIE} = initMSTATUS[0][1:0]; force {`STATUS_SIE,`STATUS_UIE} = initMSTATUS[0][1:0];
force `INSTRET = CHECKPOINT; force `INSTRET = CHECKPOINT;
force `CURR_PRIV = initPriv;
while (reset!==1) #1; while (reset!==1) #1;
while (reset!==0) #1; while (reset!==0) #1;
#1; #1;
@ -335,7 +334,6 @@ module testbench();
release {`STATUS_SPIE,`STATUS_UPIE,`STATUS_MIE}; release {`STATUS_SPIE,`STATUS_UPIE,`STATUS_MIE};
release {`STATUS_SIE,`STATUS_UIE}; release {`STATUS_SIE,`STATUS_UIE};
release `INSTRET; release `INSTRET;
release `CURR_PRIV;
end end
// Get the E-stage trace reader ahead of the M-stage trace reader // Get the E-stage trace reader ahead of the M-stage trace reader
matchCountE = $fgets(lineE,traceFileE); matchCountE = $fgets(lineE,traceFileE);