[PATCH v3 0/4] zicfilp and zicfiss support in opensbi

Deepak Gupta debug at rivosinc.com
Thu Aug 22 10:48:24 PDT 2024


v3 for zicfilp and zicfiss support in opensbi

---
v3:
 - added fwft implementation for shadow stack and landing pad interface
v2:
 - added mpelp for 32bit (mstatush) and its handling in trad redirection
 - removed default SSE enabling. it'll break shadow stack enabled kernel
 - put sw check delegation at correct place

Deepak Gupta (4):
  include: adding support for Zicfilp / Zicfiss encodings
  lib: sbi: Zicfilp/Zicfiss detection and elp cfi state reflect back in
    status
  lib: sbi: sw check exception delegation
  lib: sbi: fwft: implement landing pad and shadow stack fwft interface

 include/sbi/riscv_encoding.h |  7 ++++
 include/sbi/sbi_hart.h       |  3 ++
 lib/sbi/sbi_fwft.c           | 74 ++++++++++++++++++++++++++++++++++++
 lib/sbi/sbi_hart.c           | 21 +++++++++-
 lib/sbi/sbi_trap.c           | 20 ++++++++++
 5 files changed, 124 insertions(+), 1 deletion(-)

-- 
2.44.0




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