On Sat, Dec 16, 2023 at 11:52 PM Alexey Baturo <baturo.ale...@gmail.com> wrote:
>
> From: Alexey Baturo <baturo.ale...@gmail.com>
>
> Hi all,
>
> It looks like Zjpm v0.8 is almost frozen and we don't expect it change
> drastically anymore.
> Compared to the original implementation with explicit base and mask CSRs, we
> now only have
> several fixed options for number of masked bits which are set using existing
> CSRs.
>
> Thanks
>
> [previous:]
>
> This series of patches intends to update RISC-V Pointer Masking implementation
> to the latest Zjpm v0.6.1 version.
> The Pointer Masking functionality is simplified compared to previous version
> of spec.
> The changes have been tested with handwritten assembly tests and LLVM HWASAN
> test suite.
>
> Thanks
>
> Alexey Baturo (6):
> target/riscv: Remove obsolete pointer masking extension code.
> target/riscv: Add new CSR fields for S{sn,mn,m}pm extensions as part
> of Zjpm v0.8
> target/riscv: Add pointer masking tb flags
> target/riscv: Add functions to calculate current number of masked bits
> for pointer masking
> target/riscv: Update address modify functions to take into account
> pointer masking
> target/riscv: Enable updates for pointer masking variables and thus
> enable pointer masking extension
>
> target/riscv/cpu.c | 17 +-
> target/riscv/cpu.h | 35 ++--
> target/riscv/cpu_bits.h | 85 +--------
> target/riscv/cpu_cfg.h | 3 +
> target/riscv/cpu_helper.c | 85 +++++----
> target/riscv/csr.c | 339 ++---------------------------------
> target/riscv/machine.c | 14 +-
> target/riscv/pmp.c | 14 +-
> target/riscv/pmp.h | 11 +-
> target/riscv/translate.c | 50 +++---
> target/riscv/vector_helper.c | 9 +-
> 11 files changed, 143 insertions(+), 519 deletions(-)
Overall it looks good!
Alistair
>
> --
> 2.34.1
>
>
