From: Lihao Liang <liangli...@huawei.com>
This commit adds support of the qemu command qemu-system-aarch64
to rcutorture.
Signed-off-by: Lihao Liang <liangli...@huawei.com>
---
This commit is against RCU's git tree rcu/dev branch
commit 505b61b2ec1d ("EXP: rcu: Add debugging info to other assertion")
Note that the max CPUs supported by qemu machine 'virt' is 8 so the value of
CONFIG_NR_CPUS in some test configuration files needs to be adjusted.
tools/testing/selftests/rcutorture/bin/functions.sh | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/rcutorture/bin/functions.sh
b/tools/testing/selftests/rcutorture/bin/functions.sh
index 07a1377..0541d10 100644
--- a/tools/testing/selftests/rcutorture/bin/functions.sh
+++ b/tools/testing/selftests/rcutorture/bin/functions.sh
@@ -136,6 +136,9 @@ identify_boot_image () {
qemu-system-x86_64|qemu-system-i386)
echo arch/x86/boot/bzImage
;;
+ qemu-system-aarch64)
+ echo arch/arm64/boot/Image
+ ;;
*)
echo vmlinux
;;
@@ -158,6 +161,9 @@ identify_qemu () {
elif echo $u | grep -q "Intel 80386"
then
echo qemu-system-i386
+ elif echo $u | grep -q aarch64
+ then
+ echo qemu-system-aarch64
elif uname -a | grep -q ppc64
then
echo qemu-system-ppc64
@@ -176,16 +182,20 @@ identify_qemu () {
# Output arguments for the qemu "-append" string based on CPU type
# and the TORTURE_QEMU_INTERACTIVE environment variable.
identify_qemu_append () {
+ local console=ttyS0
case "$1" in
qemu-system-x86_64|qemu-system-i386)
echo noapic selinux=0 initcall_debug debug
;;
+ qemu-system-aarch64)
+ console=ttyAMA0
+ ;;
esac
if test -n "$TORTURE_QEMU_INTERACTIVE"
then
echo root=/dev/sda
else
- echo console=ttyS0
+ echo console=$console
fi
}
@@ -197,6 +207,9 @@ identify_qemu_args () {
case "$1" in
qemu-system-x86_64|qemu-system-i386)
;;
+ qemu-system-aarch64)
+ echo -M virt -cpu host
+ ;;
qemu-system-ppc64)
echo -enable-kvm -M pseries -nodefaults
echo -device spapr-vscsi
@@ -254,7 +267,7 @@ specify_qemu_cpus () {
echo $2
else
case "$1" in
- qemu-system-x86_64|qemu-system-i386)
+ qemu-system-x86_64|qemu-system-i386|qemu-system-aarch64)
echo $2 -smp $3
;;
qemu-system-ppc64)
--
2.7.4
