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FABRIC-3.md §I.1: (user) console prompt segment, closing the 4.4s->4.3->1.11 chain

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Extends the REPL prompt to "[VM name] (user) ok>" (e.g. "[Hera]
(zuse) ok>") per the locked FABRIC.md §4.4s spec, unblocked by this
session's own §I.3/§I.8 identity-tracking work. Adds
capsule_wirebind_attached_username() alongside the existing tracked
VMUuid, and a new sk_print_prompt() helper (repl.c) that all three
prompt call sites now go through -- checks Zuse first, then a WIREBIND
user, prints nothing when neither is attached.

Closes 4.4s, 4.3 (console umbrella), and formally settles 1.11
(dirty-event granularity) as region-based per FABRIC-2.md's own "no
independent path" ruling -- a decision closure only, not an
implementation, so §17.4 (framebuffer heat/decay physics) stays open,
re-scoped precisely: blocked on the dirty-region-tracking mechanism
existing, not on 1.11's decision.

Documents a reported-but-unreproduced terminal defect (§I.9) as a new
punch-list item -- investigated the readline/keyboard-bridge code
paths, found nothing conclusive, needs a live repro with a serial log
before it's actionable.

Verified 3-arch boot to ok> (amd64/aarch64/riscv64, each in the
foreground); logs and DoE CSVs from this session's verification runs
included per this repo's own audit-artifact convention.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019YcT3H2PQeyujrzjqS3Var
This commit is contained in:
Robert Allan James
2026-09-04 09:42:26 -04:00
co-authored by Claude Sonnet 5
parent 60d9c2520e
commit 1d468a65b1
12 changed files with 27532 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/starkernel/capsule/capsule_wirebind.c
+17 -3
View File
@@ -34,6 +34,11 @@
* candidate, so one tracked id is enough -- no set/list. */
static VMUuid g_wirebind_attached_vm_id;
static int g_wirebind_attached_valid = 0;
/* Plain username (no "~user" registry-name suffix), tracked separately
* from g_wirebind_attached_vm_id -- the registry entry's own name is
* user_vm_name ("<username>~user"), not the bare form the (user) prompt
* segment wants (FABRIC-3.md §I.1/4.4s). */
static char g_wirebind_attached_username[USER_IDENTITY_USERNAME_MAX] = {0};
/* WIREBIND_CERT_MAX_DEVBLOCKS: a sane upper bound on how much cert
* content this reads, independent of whatever sig->cert_devblocks
@@ -179,6 +184,7 @@ void capsule_wirebind_try_attach(struct blkio_dev *dev,
* actually owns block-subsystem state). */
g_wirebind_attached_vm_id = user_id;
g_wirebind_attached_valid = 1;
memcpy(g_wirebind_attached_username, username, sizeof(g_wirebind_attached_username));
/* Register the pairing in the console's own routing table, index 3
* -- the fixed convention sk_repl_dispatch_line() (repl.c) uses. */
@@ -203,7 +209,8 @@ static int wirebind_resolve_attached(VMRegistryEntry *out) {
if (!g_wirebind_attached_valid) return -1;
if (capsule_vm_registry_get(g_wirebind_attached_vm_id, out) != 0 ||
out->state != VM_STATE_LIVE) {
g_wirebind_attached_valid = 0;
g_wirebind_attached_valid = 0;
g_wirebind_attached_username[0] = '\0';
return -1;
}
return 0;
@@ -225,7 +232,8 @@ int capsule_wirebind_eject(void) {
}
capsule_vm_kill(entry.name);
g_wirebind_attached_valid = 0;
g_wirebind_attached_valid = 0;
g_wirebind_attached_username[0] = '\0';
console_puts("EJECT: ");
console_puts(entry.name);
@@ -245,9 +253,15 @@ void capsule_wirebind_unclean_detach(void) {
}
capsule_vm_kill(entry.name);
g_wirebind_attached_valid = 0;
g_wirebind_attached_valid = 0;
g_wirebind_attached_username[0] = '\0';
console_puts("WIREBIND: ");
console_puts(entry.name);
console_println(" detached without flush (device already gone)");
}
const char *capsule_wirebind_attached_username(void) {
if (!g_wirebind_attached_valid) return (const char *)0;
return g_wirebind_attached_username;
}