linux-kernel - [PATCH RFC 11/16] rcutorture: Add basic ARM64 support to run scripts

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Message-ID: <1516694381-20333-12-git-send-email-lianglihao@huawei.com>
Date:   Tue, 23 Jan 2018 15:59:36 +0800
From:   <lianglihao@...wei.com>
To:     <paulmck@...ux.vnet.ibm.com>
CC:     <guohanjun@...wei.com>, <heng.z@...wei.com>, <hb.chen@...wei.com>,
        <lihao.liang@...il.com>, <linux-kernel@...r.kernel.org>
Subject: [PATCH RFC 11/16] rcutorture: Add basic ARM64 support to run scripts

From: Lihao Liang <lianglihao@...wei.com>

This commit adds support of the qemu command qemu-system-aarch64
to rcutorture.

Signed-off-by: Lihao Liang <lianglihao@...wei.com>
---
 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 1426a9b9..4a24b873 100644
--- a/tools/testing/selftests/rcutorture/bin/functions.sh
+++ b/tools/testing/selftests/rcutorture/bin/functions.sh
@@ -111,6 +111,9 @@ 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
 			;;
@@ -133,6 +136,9 @@ 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
@@ -151,16 +157,20 @@ 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
 }
 
@@ -172,6 +182,9 @@ identify_qemu_args () {
 	case "$1" in
 	qemu-system-x86_64|qemu-system-i386)
 		;;
+	qemu-system-arm|qemu-system-aarch64)
+		echo -machine virt,gic-version=host -cpu host
+		;;
 	qemu-system-ppc64)
 		echo -enable-kvm -M pseries -nodefaults
 		echo -device spapr-vscsi
@@ -229,7 +242,7 @@ 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)
-- 
2.14.1.729.g59c0ea183