Allow sandbox pivot root directory to be given on command-line.

This will be useful on Android, which doesn't have /var/empty.

BUG=b:215305014
TEST=tools/dev_container tools/run_tests
TEST=tools/dev_container tools/run_tests --target=vm:aarch64

Change-Id: I3ae013bc29940b223607ca10788c571883acd7ca
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3468676
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Commit-Queue: Andrew Walbran <qwandor@google.com>
3 files changed
tree: 5bdfdcdb42d0abdf6aba5871bd51defe342ba568
  1. .cargo/
  2. .devcontainer/
  3. .github/
  4. aarch64/
  5. acpi_tables/
  6. arch/
  7. bin/
  8. bit_field/
  9. ci/
  10. common/
  11. crosvm-fuzz/
  12. crosvm_control/
  13. crosvm_plugin/
  14. devices/
  15. disk/
  16. docs/
  17. fuse/
  18. gpu_display/
  19. hypervisor/
  20. integration_tests/
  21. kernel_cmdline/
  22. kernel_loader/
  23. kvm/
  24. kvm_sys/
  25. libcras_stub/
  26. libvda/
  27. linux_input_sys/
  28. logo/
  29. net_sys/
  30. net_util/
  31. power_monitor/
  32. protos/
  33. qcow_utils/
  34. resources/
  35. rutabaga_gfx/
  36. seccomp/
  37. src/
  38. system_api_stub/
  39. tests/
  40. third_party/
  41. tools/
  42. tpm2/
  43. tpm2-sys/
  44. usb_sys/
  45. usb_util/
  46. vfio_sys/
  47. vhost/
  48. virtio_sys/
  49. vm_control/
  50. vm_memory/
  51. x86_64/
  52. .dockerignore
  53. .gitignore
  54. .gitmodules
  55. .rustfmt.toml
  56. .windows_build_test_skip
  57. ARCHITECTURE.md
  58. Cargo.toml
  59. CONTRIBUTING.md
  60. LICENSE
  61. navbar.md
  62. OWNERS
  63. README.chromeos.md
  64. README.md
  65. run_tests
  66. rust-toolchain
  67. setup_cros_cargo.sh
  68. test_all
  69. unblocked_terms.txt
README.md

crosvm - The Chrome OS Virtual Machine Monitor

crosvm is a virtual machine monitor (VMM) based on Linux’s KVM hypervisor, with a focus on simplicity, security, and speed. crosvm is intended to run Linux guests, originally as a security boundary for running native applications on the Chrome OS platform. Compared to QEMU, crosvm doesn’t emulate architectures or real hardware, instead concentrating on paravirtualized devices, such as the virtio standard.

crosvm is currently used to run Linux/Android guests on Chrome OS devices.

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