[v1] target/riscv: corner case fixes

[PATCH 0/3] target/riscv: corner case fixes

Nicholas Piggin posted 3 patches 4 days, 11 hours ago

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git fetch https://github.com/patchew-project/qemu tags/patchew/20250903030114.274535-1-npiggin@gmail.com

Maintainers: Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Weiwei Li <liwei1518@gmail.com>, Daniel Henrique Barboza <dbarboza@ventanamicro.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>

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target/riscv/csr.c                        |  16 +-
target/riscv/vector_helper.c              |   2 +
tests/tcg/riscv64/Makefile.softmmu-target |   5 +
tests/tcg/riscv64/Makefile.target         |  10 ++
tests/tcg/riscv64/misa-ialign.S           |  88 +++++++++
tests/tcg/riscv64/test-interrupted-v.c    | 208 ++++++++++++++++++++++
tests/tcg/riscv64/test-vstart-overflow.c  |  75 ++++++++
7 files changed, 401 insertions(+), 3 deletions(-)
create mode 100644 tests/tcg/riscv64/misa-ialign.S
create mode 100644 tests/tcg/riscv64/test-interrupted-v.c
create mode 100644 tests/tcg/riscv64/test-vstart-overflow.c

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[PATCH 0/3] target/riscv: corner case fixes

Posted by Nicholas Piggin 4 days, 11 hours ago

There is ongoing effort to run generated test verification on the 
QEMU riscv CPU which has turned out a few corner cases.

I added some fixes for these, as well as tcg tests. The
interrupted vector test also catches a bug in
"Generate strided vector loads/stores with tcg nodes." that
I referred to in the v5 thread for that series.

Thanks,
Nick

Nicholas Piggin (3):
  target/riscv: Fix IALIGN check in misa write
  target/risvc: Fix vector whole ldst vstart check
  tests/tcg: Add riscv test for interrupted vector ops

 target/riscv/csr.c                        |  16 +-
 target/riscv/vector_helper.c              |   2 +
 tests/tcg/riscv64/Makefile.softmmu-target |   5 +
 tests/tcg/riscv64/Makefile.target         |  10 ++
 tests/tcg/riscv64/misa-ialign.S           |  88 +++++++++
 tests/tcg/riscv64/test-interrupted-v.c    | 208 ++++++++++++++++++++++
 tests/tcg/riscv64/test-vstart-overflow.c  |  75 ++++++++
 7 files changed, 401 insertions(+), 3 deletions(-)
 create mode 100644 tests/tcg/riscv64/misa-ialign.S
 create mode 100644 tests/tcg/riscv64/test-interrupted-v.c
 create mode 100644 tests/tcg/riscv64/test-vstart-overflow.c

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2.51.0