vm/qemu: add apple_smc_osk and efi_{code,vars}_device options

This way users don't have to overwrite qemu_args in their configs.

2 files changed, 29 insertions, 3 deletions

diff --git a/docs/darwin/README.md b/docs/darwin/README.md
index 7deebf2d4..d6d5cde0c 100644
--- a/docs/darwin/README.md
+++ b/docs/darwin/README.md
@@ -250,7 +250,9 @@ make HOSTOS=darwin HOSTARCH=amd64 TARGETOS=darwin TARGETARCH=amd64 SOURCEDIR=/Us
         "count": 2,
         "cpu": 2,
         "mem": 4096,
-        "qemu_args": "-device isa-applesmc,osk=<YOUR_APPLE_SMC_HERE> -accel hvf -machine q35 -cpu Penryn,vendor=GenuineIntel,+invtsc,vmware-cpuid-freq=on,+pcid,+ssse3,+sse4.2,+popcnt,+avx,+aes,+xsave,+xsaveopt,check -drive if=pflash,format=raw,readonly=on,file=/usr/local/share/OVMF/OVMF_CODE.fd -drive if=pflash,format=raw,readonly=on,file=/usr/local/share/OVMF/OVMF_VARS.fd"
+        "efi_code_device": "/usr/local/share/OVMF/OVMF_CODE.fd",
+        "efi_vars_device": "/usr/local/share/OVMF/OVMF_VARS.fd",
+        "apple_smc_osk": "<YOUR_APPLE_SMC_HERE>"
     }
 }
 ```
diff --git a/vm/qemu/qemu.go b/vm/qemu/qemu.go
index 157c4c7da..957325f0a 100644
--- a/vm/qemu/qemu.go
+++ b/vm/qemu/qemu.go
@@ -56,6 +56,9 @@ type Config struct {
 	// The modern way of describing QEMU hard disks is supported, so the value
 	// "drive index=0,media=disk,file=" is transformed to "-drive index=0,media=disk,file=image" for QEMU.
 	ImageDevice string `json:"image_device"`
+	// EFI images containing the EFI itself, as well as this VMs EFI variables.
+	EfiCodeDevice string `json:"efi_code_device"`
+	EfiVarsDevice string `json:"efi_vars_device"`
 	// QEMU network device type to use.
 	// If not specified, some default per-arch value will be used.
 	// See the full list with qemu-system-x86_64 -device help.
@@ -66,6 +69,8 @@ type Config struct {
 	Mem int `json:"mem"`
 	// For building kernels without -snapshot for pkg/build (true by default).
 	Snapshot bool `json:"snapshot"`
+	// Magic key used to dongle macOS to the device.
+	AppleSmcOsk string `json:"apple_smc_osk"`
 }
 
 type Pool struct {
@@ -202,8 +207,12 @@ var archConfigs = map[string]*archConfig{
 		RngDev:   "virtio-rng-pci",
 	},
 	"darwin/amd64": {
-		Qemu:      "qemu-system-x86_64",
-		QemuArgs:  "-enable-kvm -machine q35 -cpu host,migratable=off",
+		Qemu: "qemu-system-x86_64",
+		QemuArgs: strings.Join([]string{
+			"-accel hvf -machine q35 ",
+			"-cpu Penryn,vendor=GenuineIntel,+invtsc,vmware-cpuid-freq=on,",
+			"+pcid,+ssse3,+sse4.2,+popcnt,+avx,+aes,+xsave,+xsaveopt,check ",
+		}, ""),
 		TargetDir: "/tmp",
 		NetDev:    "e1000-82545em",
 		RngDev:    "virtio-rng-pci",
@@ -458,6 +467,21 @@ func (inst *instance) boot() error {
 			"-append", strings.Join(cmdline, " "),
 		)
 	}
+	if inst.cfg.EfiCodeDevice != "" {
+		args = append(args,
+			"-drive", "if=pflash,format=raw,readonly=on,file="+inst.cfg.EfiCodeDevice,
+		)
+	}
+	if inst.cfg.EfiVarsDevice != "" {
+		args = append(args,
+			"-drive", "if=pflash,format=raw,readonly=on,file="+inst.cfg.EfiVarsDevice,
+		)
+	}
+	if inst.cfg.AppleSmcOsk != "" {
+		args = append(args,
+			"-device", "isa-applesmc,osk="+inst.cfg.AppleSmcOsk,
+		)
+	}
 	if inst.debug {
 		log.Logf(0, "running command: %v %#v", inst.cfg.Qemu, args)
 	}