#!/bin/bash
set -u

TESTBENCH="../verilator/obj_dir/VCore"
OPENSBI_BIN="${OPENSBI_BIN:-../../opensbi/build/platform/generic/firmware/fw_payload.elf}"
TIMEOUT_SECONDS="${TIMEOUT_SECONDS:-10}"

if [ ! -x "$TESTBENCH" ]; then
    echo "Error: Testbench not found. Run 'make -C sim/verilator compile' first."
    exit 1
fi

if [ ! -f "$OPENSBI_BIN" ]; then
    echo "Error: OpenSBI payload not found: $OPENSBI_BIN"
    echo "Set OPENSBI_BIN to a firmware ELF path."
    exit 2
fi

echo "Running OpenSBI payload: $OPENSBI_BIN"
timeout "${TIMEOUT_SECONDS}s" "$TESTBENCH" "$OPENSBI_BIN"
exitcode=$?

if [ "$exitcode" -eq 124 ]; then
    echo "OpenSBI run timed out"
    exit 124
fi

exit "$exitcode"