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package qemu
import (
"os"
"os/exec"
"path/filepath"
"github.com/containers/common/pkg/config"
)
var (
QemuCommand = "qemu-system-aarch64"
)
func (v *MachineVM) addArchOptions() []string {
ovmfDir := getOvmfDir(v.ImagePath.GetPath(), v.Name)
opts := []string{
"-accel", "hvf",
"-accel", "tcg",
"-cpu", "host",
"-M", "virt,highmem=on",
"-drive", "file=" + getEdk2CodeFd("edk2-aarch64-code.fd") + ",if=pflash,format=raw,readonly=on",
"-drive", "file=" + ovmfDir + ",if=pflash,format=raw"}
return opts
}
func (v *MachineVM) prepare() error {
ovmfDir := getOvmfDir(v.ImagePath.GetPath(), v.Name)
cmd := []string{"/bin/dd", "if=/dev/zero", "conv=sync", "bs=1m", "count=64", "of=" + ovmfDir}
return exec.Command(cmd[0], cmd[1:]...).Run()
}
func (v *MachineVM) archRemovalFiles() []string {
ovmDir := getOvmfDir(v.ImagePath.GetPath(), v.Name)
return []string{ovmDir}
}
func getOvmfDir(imagePath, vmName string) string {
return filepath.Join(filepath.Dir(imagePath), vmName+"_ovmf_vars.fd")
}
/*
* When QEmu is installed in a non-default location in the system
* we can use the qemu-system-* binary path to figure the install
* location for Qemu and use it to look for edk2-code-fd
*/
func getEdk2CodeFdPathFromQemuBinaryPath() string {
cfg, err := config.Default()
if err == nil {
execPath, err := cfg.FindHelperBinary(QemuCommand, true)
if err == nil {
return filepath.Clean(filepath.Join(filepath.Dir(execPath), "..", "share", "qemu"))
}
}
return ""
}
/*
* QEmu can be installed in multiple locations on MacOS, especially on
* Apple Silicon systems. A build from source will likely install it in
* /usr/local/bin, whereas Homebrew package management standard is to
* install in /opt/homebrew
*/
func getEdk2CodeFd(name string) string {
dirs := []string{
getEdk2CodeFdPathFromQemuBinaryPath(),
"/opt/homebrew/opt/podman/libexec/share/qemu",
"/usr/local/share/qemu",
"/opt/homebrew/share/qemu",
}
for _, dir := range dirs {
fullpath := filepath.Join(dir, name)
if _, err := os.Stat(fullpath); err == nil {
return fullpath
}
}
return name
}
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