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Fix $random not updating seed (#3238). [Julie Schwartz]

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This commit is contained in:
Wilson Snyder
2022-01-01 16:43:06 -05:00
parent 65de118e51
commit d679d50eca
6 changed files with 48 additions and 9 deletions
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include/verilated.cpp
+8 -2
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@@ -337,11 +337,17 @@ WDataOutP VL_RANDOM_W(int obits, WDataOutP outwp) VL_MT_SAFE {
return outwp;
}
IData VL_RANDOM_SEEDED_II(IData seed) VL_MT_SAFE {
IData VL_RANDOM_SEEDED_II(IData& seedr) VL_MT_SAFE {
// $random - seed is a new seed to apply, then we return new seed
Verilated::threadContextp()->randSeed(static_cast<int>(seedr));
seedr = VL_RANDOM_I();
return VL_RANDOM_I();
}
IData VL_URANDOM_SEEDED_II(IData seed) VL_MT_SAFE {
// $urandom - seed is a new seed to apply
Verilated::threadContextp()->randSeed(static_cast<int>(seed));
return VL_RANDOM_I();
}
IData VL_RAND_RESET_I(int obits) VL_MT_SAFE {
if (Verilated::threadContextp()->randReset() == 0) return 0;
IData data = ~0;