Spike, also known as riscv-isa-sim, is a commonly used RISC-V emulator.
riscv-fesvr
and riscv-isa-sim
from https://github.com/riscv/riscv-fesvr
and then riscv-isa-sim
make
as usualutil/riscv/make-spike-elf.sh build/coreboot.rom build/coreboot.elf
to convert coreboot to an ELF that Spike can loadspike -m1024 build/coreboot.elf