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Post-reorg cleanup: POSIX layer, and naming fixes

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Follow-up to the monorepo re-org. Suite 35/35 plus host tests green.

POSIX compatibility is now its own library, library/posix/ (unistd, stdio),
layered strictly over the runtime — it calls the runtime's IPC/heap, never
system calls directly. The runtime is now POSIX-free (the danos-native
application ABI). The VFS wire protocol is danos-native throughout
(Stat -> FileStatus, .stat -> .status, O_CREAT -> create); the POSIX layer
maps the POSIX spellings at the boundary. The coding standard's ABI-name
exception is scoped to one place: a file is allowed POSIX spellings only if it
lives under library/posix/ — everywhere else, danos naming with no exception.

Naming fixes, all mechanical:
- initrd -> initial-ramdisk: the source file, the module, the tool
  (make-initial-ramdisk.py), the artifact (initial-ramdisk.img, including the
  bootloader's load path), and the identifiers.
- system/kernel/device-service.zig -> devices-broker.zig: it is ring-0 kernel
  code (the trusted device table + claim capability), not a ring-3 service. The
  future user-space device *manager* (policy) will live in system/services/.
- Dropped the daemon `d` suffix: hpetd -> hpet, busd -> bus. A driver lives in
  system/drivers/, so the folder already says what it is; encoding the role in
  the name too is redundant. The coding standard drops that exception.
- system/devices/aml/interp.zig -> interpreter.zig (the type was already
  Interpreter).
This commit is contained in:
Daniel Samson
2026-07-10 13:33:06 +01:00
parent 8754d4e46a
commit ceacc6b514
27 changed files with 308 additions and 254 deletions
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system/danos.zig
+5 -5
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@@ -245,12 +245,12 @@ pub const BootInformation = extern struct {
/// The raw `/sbin/init` ELF image, read off the boot volume by the loader
/// into memory that survives the handoff (classified reserved, so the kernel
/// identity-maps it and never allocates over it). 0/0 = no init found — the
/// kernel boots without user space. Grows into a full initrd handoff later.
/// kernel boots without user space. Grows into a full initial_ramdisk handoff later.
init_base: u64 = 0,
init_len: u64 = 0,
/// The initrd image (a bundle of extra user binaries — the VFS server and
/// The initial_ramdisk image (a bundle of extra user binaries — the VFS server and
/// device drivers), read off the boot volume into memory that survives the
/// handoff, same as `init` above. 0/0 = no initrd. See system/initrd.zig.
initrd_base: u64 = 0,
initrd_len: u64 = 0,
/// handoff, same as `init` above. 0/0 = no initial_ramdisk. See system/initial-ramdisk.zig.
initial_ramdisk_base: u64 = 0,
initial_ramdisk_len: u64 = 0,
};