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author | polwex <polwex@sortug.com> | 2025-10-06 05:34:08 +0700 |
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committer | polwex <polwex@sortug.com> | 2025-10-06 05:34:08 +0700 |
commit | c3545b7ba9e8448226417fab6edaa2d039c9babe (patch) | |
tree | 798fd2bf87a67ac91e31b2fb7f0cd6590064b2c1 /ocaml/lib/boot.ml | |
parent | 9fd3f41bf9a3326c5f0866f39f2ed151adc21565 (diff) |
Diffstat (limited to 'ocaml/lib/boot.ml')
-rw-r--r-- | ocaml/lib/boot.ml | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/ocaml/lib/boot.ml b/ocaml/lib/boot.ml new file mode 100644 index 0000000..e56c114 --- /dev/null +++ b/ocaml/lib/boot.ml @@ -0,0 +1,116 @@ +(* Boot - Arvo Kernel Boot System + * + * This module handles: + * - Loading pill files (jammed Arvo kernels) + * - Parsing pill structure + * - Initial boot sequence + * + * Pill Structure: + * - A pill is a jammed noun containing the Arvo kernel + * - Format varies, but typically: [kernel-gate initial-state] + * - Or just the kernel-gate itself + *) + +(* Boot error *) +type error = + | FileNotFound of string + | InvalidPill of string + | BootFailed of string + +(* Pill type *) +type pill = { + kernel: Noun.noun; (* The Arvo kernel gate *) + boot_ova: Noun.noun list; (* Initial events to process *) +} + +(* Load pill from file using Eio + * + * Steps: + * 1. Read jammed pill file + * 2. Cue to get kernel noun + * 3. Parse pill structure + *) +let load_pill ~fs pill_path = + try + Printf.printf "[Boot] Loading pill from %s...\n%!" pill_path; + + (* Read pill file *) + let file_path = Eio.Path.(fs / pill_path) in + let pill_bytes = Eio.Path.load file_path |> Bytes.of_string in + + Printf.printf "[Boot] Pill file: %d bytes\n%!" (Bytes.length pill_bytes); + + (* Cue the pill to get kernel noun *) + let kernel_noun = Serial.cue pill_bytes in + + Printf.printf "[Boot] Pill cued successfully\n%!"; + + (* For now, treat the entire pill as the kernel + * In a real implementation, we'd parse the structure: + * - Check if it's a cell with [kernel boot-events] + * - Or just a single kernel gate + *) + Ok { + kernel = kernel_noun; + boot_ova = []; (* No boot events for now *) + } + + with + | Sys_error msg -> + Error (FileNotFound msg) + | e -> + Error (InvalidPill (Printexc.to_string e)) + +(* Create a minimal fake pill for testing + * + * This creates a trivial kernel that's just an atom. + * In reality, the kernel is a huge compiled gate, but for + * testing we can use this simple version. + *) +let fake_pill () = { + kernel = Noun.atom 0; (* Minimal kernel - just 0 *) + boot_ova = []; +} + +(* Boot Arvo from a pill + * + * Steps: + * 1. Set kernel state to pill's kernel + * 2. Process boot events if any + * 3. Initialize event counter to 0 + *) +let boot_from_pill state pill = + Printf.printf "[Boot] Initializing Arvo kernel...\n%!"; + + (* Set kernel state *) + State.boot state pill.kernel; + + (* Process boot events if any *) + List.iteri (fun i _ovum -> + Printf.printf "[Boot] Processing boot event %d\n%!" i; + (* In real implementation: State.poke state ovum *) + ) pill.boot_ova; + + Printf.printf "[Boot] ✓ Arvo kernel booted!\n%!"; + Ok () + +(* Boot from pill file - convenience function *) +let boot_from_file ~fs state pill_path = + match load_pill ~fs pill_path with + | Error err -> + let msg = match err with + | FileNotFound s -> "File not found: " ^ s + | InvalidPill s -> "Invalid pill: " ^ s + | BootFailed s -> "Boot failed: " ^ s + in + Printf.printf "[Boot] Error: %s\n%!" msg; + Error msg + + | Ok pill -> + boot_from_pill state pill + +(* Create minimal boot for testing (no pill file needed) *) +let boot_fake state = + Printf.printf "[Boot] Creating fake minimal kernel...\n%!"; + let pill = fake_pill () in + boot_from_pill state pill |