| # Zircon Kernel Commandline Options |
| |
| TODO([fxbug.dev/53594](https://fxbug.dev/53594)): move kernel_cmdline.md verbiage here |
| |
| ## Options common to all machines |
| |
| ### kernel.entropy-mixin=\<hexadecimal> |
| |
| Provides entropy to be mixed into the kernel's CPRNG. The value must be a |
| string of lowercase hexadecimal digits. |
| |
| The original value will be scrubbed from memory as soon as possible and will be |
| redacted from all diagnostic output. |
| |
| ### kernel.serial=[none | legacy | qemu | \<type>,\<base>,\<irq>] |
| **Default:** `none` |
| |
| TODO(53594) |
| |
| |
| ## Options available only on x86 machines |
| |
| ### kernel.x86.disable_spec_mitigations=\<bool> |
| **Default:** `false` |
| |
| TODO(53593) |
| |
| ### kernel.x86.md_clear_on_user_return=\<bool> |
| **Default:** `true` |
| |
| TODO(53593) |
| |
| ### kernel.x86.pti.enable=\<uint32_t> |
| **Default:** `0x2` |
| |
| TODO(53593) |
| |
| ### kernel.x86.spec_store_bypass_disable=\<bool> |
| **Default:** `false` |
| |
| TODO(53593) |
| |
| TODO: put something here |
