| Message ID | 20240910163522.2584936-4-debug@rivosinc.com |
|---|---|
| State | New |
| Headers | show |
| Series | zicfilp and zicfiss support in opensbi | expand |
On 2024-09-10 11:35 AM, Deepak Gupta wrote: > zicfiss and zicfilp introduces new exception (cause=18). Delegate this > exception to S mode because cfi violations in U / S will be reported > via this exception. > > Signed-off-by: Deepak Gupta <debug@rivosinc.com> > Reviewed-by: Samuel Holland <samuel.holland@sifive.com> > Reviewed-by: Atish Patra <atishp@rivosinc.com> > --- > lib/sbi/sbi_hart.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c > index e1bc346..fa00f69 100644 > --- a/lib/sbi/sbi_hart.c > +++ b/lib/sbi/sbi_hart.c > @@ -207,7 +207,8 @@ static int delegate_traps(struct sbi_scratch *scratch) > if (sbi_platform_has_mfaults_delegation(plat)) > exceptions |= (1U << CAUSE_FETCH_PAGE_FAULT) | > (1U << CAUSE_LOAD_PAGE_FAULT) | > - (1U << CAUSE_STORE_PAGE_FAULT); > + (1U << CAUSE_STORE_PAGE_FAULT)| nit: missing space before | > + (1U << CAUSE_SW_CHECK_EXCP); > > /* > * If hypervisor extension available then we only handle hypervisor
diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c index e1bc346..fa00f69 100644 --- a/lib/sbi/sbi_hart.c +++ b/lib/sbi/sbi_hart.c @@ -207,7 +207,8 @@ static int delegate_traps(struct sbi_scratch *scratch) if (sbi_platform_has_mfaults_delegation(plat)) exceptions |= (1U << CAUSE_FETCH_PAGE_FAULT) | (1U << CAUSE_LOAD_PAGE_FAULT) | - (1U << CAUSE_STORE_PAGE_FAULT); + (1U << CAUSE_STORE_PAGE_FAULT)| + (1U << CAUSE_SW_CHECK_EXCP); /* * If hypervisor extension available then we only handle hypervisor