Docs: Add SNP Guest Launch

README.md

@@ -21,3 +21,21 @@ $ qemu-kvm -m 2G \
     -kernel guest-fedora-41/image.efi \
     -hda guest-fedora-41/image.qcow2
 ```
+
+4. <ins>**Launch SNP Guest:** </ins>   Run an SNP guest with the direct boot options and kernel-hashes=on for the confidential guest measured boot:
+
+```sh
+$ qemu-system-x86_64 \
+    -enable-kvm \
+    -cpu EPYC-v4 \
+    -smp 1 \
+    -device virtio-blk-pci,drive=disk0,id=scsi0 \
+    -drive file=guest-fedora-41/image.qcow2,if=none,id=disk0 \
+    -machine memory-encryption=sev0,vmport=off \
+    -object memory-backend-memfd,id=ram1,size=2048M \
+    -machine memory-backend=ram1 \
+    -object sev-snp-guest,id=sev0,cbitpos=51,reduced-phys-bits=1,kernel-hashes=on \
+    -bios /usr/share/edk2/ovmf/OVMF.amdsev.fd \
+    -kernel guest-fedora-41/image.efi \
+    -nographic
+```

common/mkosi.conf

@@ -9,6 +9,7 @@ SectorSize=512
 
 [Content]
 KernelModulesInitrdInclude=dm-verity erofs
+KernelCommandLine=console=ttyS0
 WithRecommends=no
 MachineId=random
 WithDocs=no