SpinalHDL / SpinalHDL/SpinalHDL
SpinalHDL does not support Verilator 5.0
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Description
Hello, I have noticed that SpinalHDL does not support Verilator 5.0; using Verilator 5.0 results in an error.
[info] [Progress] Verilator compilation started
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp:80:5: error: ‘WData’ does not name a type; did you mean ‘SData’?
[info] 80 | WData *raw;
[info] | ^~~~~
[info] | SData
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp:85:28: error: expected ‘)’ before ‘*’ token
[info] 85 | WDataSignalAccess(WData *raw, uint32_t width, bool sint) :
[info] | ~ ^~
[info] | )
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp: In member function ‘virtual uint64_t WDataSignalAccess::getU64_mem(size_t)’:
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp:89:7: error: ‘WData’ was not declared in this scope; did you mean ‘SData’?
[info] 89 | WData *mem_el = &(raw[index*wordsCount]);
[info] | ^~~~~
[info] | SData
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp:89:14: error: ‘mem_el’ was not declared in this scope; did you mean ‘memset’?
[info] 89 | WData *mem_el = &(raw[index*wordsCount]);
[info] | ^~~~~~
[info] | memset
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp:89:25: error: ‘raw’ was not declared in this scope
[info] 89 | WData *mem_el = &(raw[index*wordsCount]);
[info] | ^~~
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp: In member function ‘virtual void WDataSignalAccess::setU64_mem(uint64_t, size_t)’:
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp:96:7: error: ‘WData’ was not declared in this scope; did you mean ‘SData’?
[info] 96 | WData *mem_el = &(raw[index*wordsCount]);
[info] | ^~~~~
[info] | SData
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp:96:14: error: ‘mem_el’ was not declared in this scope; did you mean ‘memset’?
[info] 96 | WData *mem_el = &(raw[index*wordsCount]);
[info] | ^~~~~~
[info] | memset
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp:96:25: error: ‘raw’ was not declared in this scope
[info] 96 | WData *mem_el = &(raw[index*wordsCount]);
[info] | ^~~
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp: In member function ‘virtual void WDataSignalAccess::getAU8_mem(JNIEnv*, jbyteArray, size_t)’:
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp:112:7: error: ‘WData’ was not declared in this scope; did you mean ‘SData’?
[info] 112 | WData *mem_el = &(raw[index*wordsCount]);
[info] | ^~~~~
[info] | SData
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp:112:14: error: ‘mem_el’ was not declared in this scope; did you mean ‘memset’?
[info] 112 | WData *mem_el = &(raw[index*wordsCount]);
[info] | ^~~~~~
[info] | memset
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp:112:25: error: ‘raw’ was not declared in this scope
[info] 112 | WData *mem_el = &(raw[index*wordsCount]);
[info] | ^~~
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp: In member function ‘virtual void WDataSignalAccess::setAU8_mem(JNIEnv*, jbyteArray, int, size_t)’:
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp:130:7: error: ‘WData’ was not declared in this scope; did you mean ‘SData’?
[info] 130 | WData *mem_el = &(raw[index*wordsCount]);
[info] | ^~~~~
[info] | SData
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp:130:14: error: ‘mem_el’ was not declared in this scope; did you mean ‘memset’?
[info] 130 | WData *mem_el = &(raw[index*wordsCount]);
[info] | ^~~~~~
[info] | memset
[info] ../verilator/VMyTopLevel__spinalWrapper.cpp:130:25: error: ‘raw’ was not declared in this scope
[info] 130 | WData *mem_el = &(raw[index*wordsCount]);
[info] | ^~~
[info] make: *** [VMyTopLevel.mk:79: VMyTopLevel__spinalWrapper.o] Error 1
[info] make: *** Waiting for unfinished jobs....
[error] Exception in thread "main" java.lang.AssertionError: assertion failed: Verilator C++ model compilation failed
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the failure using Verilator 5.0 and inspect the generated VMyTopLevel__spinalWrapper.cpp, where the missing WData type is reported during compilation. Compare the generated wrapper and Verilator 5.0 expectations, then verify that the C++ model compiles successfully without the reported assertion.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp, scala
- Domain
- embedded-iot
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 48/100