scripts: Add test-in-svsm.sh helper script

Instead of having the full QEMU command line in the Makefile, extract
the test-run into a separate script.

Signed-off-by: Joerg Roedel <jroedel@suse.de>

Makefile

@@ -22,28 +22,8 @@ all: stage1/kernel.elf svsm.bin
 test:
 	cargo test --target=x86_64-unknown-linux-gnu
 
-test-in-svsm: stage1/test-kernel.elf svsm.bin
-ifndef QEMU
-	echo "Set QEMU environment variable to QEMU installation path" && exit 1
-endif
-ifndef OVMF
-	echo "Set OVMFenvironment variable to a folder containing OVMF_CODE.fd and OVMF_VARS.fd" && exit 1
-endif
-	$(QEMU)/qemu-system-x86_64 \
-		-enable-kvm \
-		-cpu EPYC-v4 \
-		-machine q35,confidential-guest-support=sev0,memory-backend=ram1,kvm-type=protected \
-		-object memory-backend-memfd-private,id=ram1,size=1G,share=true \
-		-object sev-snp-guest,id=sev0,cbitpos=$(C_BIT_POS),reduced-phys-bits=1,svsm=on \
-		-smp 8 \
-		-no-reboot \
-		-drive if=pflash,format=raw,unit=0,file=$(OVMF)/OVMF_CODE.fd,readonly=on \
-		-drive if=pflash,format=raw,unit=1,file=$(OVMF)/OVMF_VARS.fd,snapshot=on \
-		-drive if=pflash,format=raw,unit=2,file=./svsm.bin,readonly=on \
-		-nographic \
-		-monitor none \
-		-serial stdio \
-		-device isa-debug-exit,iobase=0xf4,iosize=0x04 || true
+test-in-svsm: utils/cbit stage1/test-kernel.elf svsm.bin
+	./scripts/test-in-svsm.sh
 
 utils/gen_meta: utils/gen_meta.c
 	cc -O3 -Wall -o $@ $<

scripts/test-in-svsm.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+#
+
+set -e
+
+if [ "$QEMU" == "" ]; then
+	echo "Set QEMU environment variable to QEMU installation path" && exit 1
+fi
+if [ "$OVMF_PATH" == "" ]; then
+	echo "Set OVMF_PATH environment variable to a folder containing OVMF_CODE.fd and OVMF_VARS.fd" && exit 1
+fi
+if [ "$SUDO" != "" ]; then
+	SUDO_CMD="sudo"
+else
+	SUDO_CMD=""
+fi
+
+C_BIT_POS=`utils/cbit`
+
+$SUDO_CMD $QEMU \
+	-enable-kvm \
+	-cpu EPYC-v4 \
+	-machine q35,confidential-guest-support=sev0,memory-backend=ram1,kvm-type=protected \
+	-object memory-backend-memfd-private,id=ram1,size=1G,share=true \
+	-object sev-snp-guest,id=sev0,cbitpos=$C_BIT_POS,reduced-phys-bits=1,svsm=on \
+	-smp 8 \
+	-no-reboot \
+	-drive if=pflash,format=raw,unit=0,file=$OVMF_PATH/OVMF_CODE.fd,readonly=on \
+	-drive if=pflash,format=raw,unit=1,file=$OVMF_PATH/OVMF_VARS.fd,snapshot=on \
+	-drive if=pflash,format=raw,unit=2,file=./svsm.bin,readonly=on \
+	-nographic \
+	-monitor none \
+	-serial stdio \
+	-device isa-debug-exit,iobase=0xf4,iosize=0x04 || true