github.com/containers/podman/v4@v4.9.4/pkg/machine/qemu/options_darwin_arm64.go (about)

     1  package qemu
     2  
     3  import (
     4  	"os"
     5  	"os/exec"
     6  	"path/filepath"
     7  
     8  	"github.com/containers/common/pkg/config"
     9  )
    10  
    11  var (
    12  	QemuCommand = "qemu-system-aarch64"
    13  )
    14  
    15  func (v *MachineVM) addArchOptions(cmdOpts *setNewMachineCMDOpts) []string {
    16  	ovmfDir := getOvmfDir(cmdOpts.imageDir, v.Name)
    17  	opts := []string{
    18  		"-accel", "hvf",
    19  		"-accel", "tcg",
    20  		"-cpu", "host",
    21  		"-M", "virt,highmem=on",
    22  		"-drive", "file=" + getEdk2CodeFd("edk2-aarch64-code.fd") + ",if=pflash,format=raw,readonly=on",
    23  		"-drive", "file=" + ovmfDir + ",if=pflash,format=raw"}
    24  	return opts
    25  }
    26  
    27  func (v *MachineVM) prepare() error {
    28  	ovmfDir := getOvmfDir(filepath.Dir(v.ImagePath.GetPath()), v.Name)
    29  	cmd := []string{"/bin/dd", "if=/dev/zero", "conv=sync", "bs=1m", "count=64", "of=" + ovmfDir}
    30  	return exec.Command(cmd[0], cmd[1:]...).Run()
    31  }
    32  
    33  func (v *MachineVM) archRemovalFiles() []string {
    34  	ovmDir := getOvmfDir(filepath.Dir(v.ImagePath.GetPath()), v.Name)
    35  	return []string{ovmDir}
    36  }
    37  
    38  func getOvmfDir(imagePath, vmName string) string {
    39  	return filepath.Join(imagePath, vmName+"_ovmf_vars.fd")
    40  }
    41  
    42  /*
    43   * When QEmu is installed in a non-default location in the system
    44   * we can use the qemu-system-* binary path to figure the install
    45   * location for Qemu and use it to look for edk2-code-fd
    46   */
    47  func getEdk2CodeFdPathFromQemuBinaryPath() string {
    48  	cfg, err := config.Default()
    49  	if err == nil {
    50  		execPath, err := cfg.FindHelperBinary(QemuCommand, true)
    51  		if err == nil {
    52  			return filepath.Clean(filepath.Join(filepath.Dir(execPath), "..", "share", "qemu"))
    53  		}
    54  	}
    55  	return ""
    56  }
    57  
    58  /*
    59   *  QEmu can be installed in multiple locations on MacOS, especially on
    60   *  Apple Silicon systems.  A build from source will likely install it in
    61   *  /usr/local/bin, whereas Homebrew package management standard is to
    62   *  install in /opt/homebrew
    63   */
    64  func getEdk2CodeFd(name string) string {
    65  	dirs := []string{
    66  		getEdk2CodeFdPathFromQemuBinaryPath(),
    67  		"/opt/homebrew/opt/podman/libexec/share/qemu",
    68  		"/usr/local/share/qemu",
    69  		"/opt/homebrew/share/qemu",
    70  	}
    71  	for _, dir := range dirs {
    72  		fullpath := filepath.Join(dir, name)
    73  		if _, err := os.Stat(fullpath); err == nil {
    74  			return fullpath
    75  		}
    76  	}
    77  	return name
    78  }