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acceptance tests
- Refactor trap/CSR data path in the Core, unified with trap_ctrl interface to drive CSR update and return process
- Improve critical paths for exception/interrupt handling: ecall, illegal, load fault, external interrupt, mret/sret return
- Adjust pipeline stage registers with flush/stall coordination, fix residual control signal issues in trap scenarios
- Enhance decode and related pipeline module behavior consistency, fill in missing control signal propagation across registers
- Expand core integration testing, add trap/interrupt scenarios and CLI dispatch that can be executed per case
- Extend CSR unit test coverage: read/write semantics, privilege switching, delegation and nested returns, illegal access protection, etc.
- Register new core scenario cases in CTest to form a regression-capable P2 strict acceptance suite
Verification:
- Build passed
- Full CTest passed (22/22)
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