diff options
Diffstat (limited to 'isa/rv64si/scall.S')
| -rw-r--r-- | isa/rv64si/scall.S | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/isa/rv64si/scall.S b/isa/rv64si/scall.S index 9956e03..5dda6bb 100644 --- a/isa/rv64si/scall.S +++ b/isa/rv64si/scall.S @@ -67,6 +67,13 @@ do_scall: .global stvec_handler stvec_handler: csrr t0, scause + # Check if CLIC mode + csrr t2, stvec + andi t2, t2, 2 + # Skip masking if non-CLIC mode + beqz t2, skip_mask + andi t0, t0, 255 +skip_mask: bne t0, t1, fail la t2, do_scall csrr t0, sepc |