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kroese merged 1 commit into from
Aug 23, 2026
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docs: Environment variables #565

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5 changes: 3 additions & 2 deletions docs/environment.md
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Expand Up @@ -25,6 +25,7 @@ An empty default means the variable is unset and its value is determined automat
| `SMP` | | Custom CPU topology. Determined from `CPU_CORES` when unset. |
| `KVM` | `Y` | Enables KVM hardware acceleration. |
| `RAM_SIZE` | `4G` | Amount of RAM assigned to macOS, such as `8G`, `half`, or `max`. |
| `RAM_BACKEND` | | Guest RAM backing mechanism, set `memfd` for memfd-backed memory. |
| `RAM_CHECK` | `Y` | Checks whether enough host memory is available before starting macOS. |

## 💾 Storage
Expand Down Expand Up @@ -95,8 +96,8 @@ An empty default means the variable is unset and its value is determined automat
| `MACHINE` | `q35` | QEMU machine type. |
| `PCI_BUS` | `pcie.0` | Overrides the PCI bus used for attached devices. |
| `RNG` | `Y` | Adds the Virtio RNG device to the machine. |
| `HPET` | `off` | HPET timer setting. |
| `VMPORT` | `off` | VMware port setting. |
| `HPET` | `N` | HPET timer setting. |
| `VMPORT` | `N` | VMware port setting. |
| `MOUSE` | `usb-tablet` | Pointing device used by the machine. |
| `SOUND` | `usb-audio` | Audio device used when `AUDIO=Y`. |
| `ARGUMENTS` | | Additional raw arguments appended to the QEMU command line. |
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