osdev4/qemu.sh

#!/bin/sh

set -e

if [ -z "${MACH}" ]; then
    MACH=rpi3b
fi

if [ -z "$QEMU_BIN" ]; then
    QEMU_BIN=qemu-system-aarch64
fi

ARCH=aarch64-unknown-none-${MACH}
KERNEL=target/${ARCH}/debug/kernel

QEMU_OPTS="-chardev stdio,wait=off,id=char0,mux=on \
           -mon chardev=char0"

if [ "$QEMU_DINT" = 1 ]; then
    QEMU_OPTS="$QEMU_OPTS -d int"
fi

case ${MACH} in
    rpi3b)
        QEMU_OPTS="$QEMU_OPTS \
                   -serial null \
                   -serial chardev:char0 \
                   -dtb bcm2837-rpi-3-b.dtb \
                   -M raspi3b"
        ;;
    virt)
        KERNEL=target/${ARCH}/debug/kernel.bin
        QEMU_OPTS="$QEMU_OPTS \
                   -serial chardev:char0 \
                   -M virt,virtualization=on \
                   -cpu cortex-a57 \
                   -m 256"
esac
QEMU_OPTS="$QEMU_OPTS \
           -kernel ${KERNEL} \
           -display none \
           -s"

./build.sh

${QEMU_BIN} ${QEMU_OPTS}