From mboxrd@z Thu Jan 1 00:00:00 1970 From: Deepak Gupta Date: Mon, 16 Sep 2024 11:23:53 -0700 Subject: [PATCH v6 0/4] zicfilp and zicfiss support in opensbi Message-ID: <20240916182357.24545-1-debug@rivosinc.com> List-Id: To: opensbi@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit v6 for zicfilp and zicfiss support in opensbi --- v6: - sorted fwft addition of shadow stack and landing pad - revised comment, spacing and cosmetic changes. v5: - OpenSBI parses ISA string which is recieved in FDT and if ISA string matches, it sets extension availablity in extension bitmap. Thus removed zicfilp and zicfiss trap based and mstatus detection v4: - fixed up commit message in patch 2 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: add zicfilp/zicfiss 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 | 4 ++ lib/sbi/sbi_fwft.c | 74 ++++++++++++++++++++++++++++++++++++ lib/sbi/sbi_hart.c | 5 ++- lib/sbi/sbi_trap.c | 20 ++++++++++ 5 files changed, 109 insertions(+), 1 deletion(-) -- 2.45.0