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boot-qemu.sh: Use different CPU for arm64 with new QEMU + old kernel #61

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Merged
nathanchance merged 1 commit into from
Apr 6, 2022
Merged

boot-qemu.sh: Use different CPU for arm64 with new QEMU + old kernel #61

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16 changes: 11 additions & 5 deletions boot-qemu.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -232,14 +232,20 @@ function setup_qemu_args() {
KIMAGE=Image.gz
QEMU=(qemu-system-aarch64)
get_full_kernel_path
# https://gitlab.com/qemu-project/qemu/-/commit/69b2265d5fe8e0f401d75e175e0a243a7d505e53
if [[ $(get_lnx_ver_code gzip -c -d "${KERNEL}") -lt 512000 ]] &&
[[ $(get_qemu_ver_code) -ge 602050 ]]; then
LPA2=,lpa2=off
if [[ $(get_qemu_ver_code) -ge 602050 ]]; then
LNX_VER_CODE=$(get_lnx_ver_code gzip -c -d "${KERNEL}")
# https://gitlab.com/qemu-project/qemu/-/issues/964
if [[ ${LNX_VER_CODE} -lt 416000 ]]; then
CPU=cortex-a72
# https://gitlab.com/qemu-project/qemu/-/commit/69b2265d5fe8e0f401d75e175e0a243a7d505e53
elif [[ ${LNX_VER_CODE} -lt 512000 ]]; then
CPU=max,lpa2=off
fi
fi
[[ -z ${CPU} ]] && CPU=max
APPEND_STRING+="console=ttyAMA0 earlycon "
QEMU_ARCH_ARGS=(
-cpu "max${LPA2}"
-cpu "${CPU}"
-machine "virt,gic-version=max"
)
if [[ "$(uname -m)" = "aarch64" && -e /dev/kvm ]] && ${KVM}; then
Expand Down