diff options
| author | Atish Patra <atish.patra@wdc.com> | 2021-11-08 10:52:59 -0800 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2021-11-11 17:45:12 +0530 |
| commit | 9134c3643e420b1917cf98940552ef16467f7a34 (patch) | |
| tree | a744935898916dd4b71c2c49fb0f7e0cc1508550 /lib | |
| parent | 867c65360df283f056afa963ad8333e9c1eb21bb (diff) | |
lib: sbi: Delegate PMU counter overflow interrupt to S mode
OpenSBI doesn't handle PMU counters for now.
Delegate the overflow counter to S-mode always.
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sbi/sbi_hart.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c index 7f31bb7..8a98d4d 100644 --- a/lib/sbi/sbi_hart.c +++ b/lib/sbi/sbi_hart.c @@ -115,6 +115,9 @@ static int delegate_traps(struct sbi_scratch *scratch) /* Send M-mode interrupts and most exceptions to S-mode */ interrupts = MIP_SSIP | MIP_STIP | MIP_SEIP; + if (sbi_hart_has_feature(scratch, SBI_HART_HAS_SSCOFPMF)) + interrupts |= MIP_LCOFIP; + exceptions = (1U << CAUSE_MISALIGNED_FETCH) | (1U << CAUSE_BREAKPOINT) | (1U << CAUSE_USER_ECALL); if (sbi_platform_has_mfaults_delegation(plat)) |