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Fixed bugs with CSR checking. The parsing algorithm was messing up the token order after the CSR token.

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This commit is contained in:
Ross Thompson 2021-08-13 14:53:43 -05:00
parent a1c26a16d6
commit 492b6f0ea4
1 changed files with 9 additions and 2 deletions
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11
wally-pipelined/testbench/testbench-linux.sv
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@ -210,12 +210,19 @@ module testbench();
MarkerIndex += 4;
// parse CSRs
// parse CSRs, because there are 1 or more CSRs after the CSR token
// we check if the CSR token or the number of CSRs is greater than 0.
// if so then we want to parse for a CSR.
end else if(ExpectedTokens[MarkerIndex] == "CSR" || NumCSRM > 0) begin
MarkerIndex++;
if(ExpectedTokens[MarkerIndex] == "CSR") begin
// all additional CSR's won't have this token.
MarkerIndex++;
end
matchCount = $sscanf(ExpectedTokens[MarkerIndex], "%s", ExpectedCSRArrayM[NumCSRM]);
matchCount = $sscanf(ExpectedTokens[MarkerIndex+1], "%x", ExpectedCSRArrayValueM[NumCSRM]);
MarkerIndex += 2;
// if we get an xcause with the interrupt bit set we must generate an interrupt as interrupts
// are imprecise. Forcing the trap at this time will allow wally to track what qemu does.
// the msb of xcause will be set.