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-rw-r--r--model/riscv_step_rvfi.sail1
1 files changed, 1 insertions, 0 deletions
diff --git a/model/riscv_step_rvfi.sail b/model/riscv_step_rvfi.sail
index 0ab482a..dd24365 100644
--- a/model/riscv_step_rvfi.sail
+++ b/model/riscv_step_rvfi.sail
@@ -12,6 +12,7 @@ function ext_post_step_hook() -> unit = {
val ext_init : unit -> unit effect {wreg}
function ext_init() = {
init_base_regs();
+ init_fdext_regs();
/* these are here so that the C backend doesn't prune them out. */
rvfi_set_instr_packet(0x0000000000000000);
print_bits("", rvfi_get_cmd());