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feat(v4.0.0): the wire in the engine -- whole messages, put and taken in one step

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Queues of whole messages on the wires between nodes (v4/wire.h), the six
addresses and ten operations a node asks of the fabric (MESH.md 7d.3), and the
fabric's pool of queues. Engine only: the nucleus does not use any of it yet.
The ports in the host map move to BUF0_W - 140 so that the new addresses are
not among the nucleus variables, with a compile-time check.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
rajames
2026-10-08 13:50:15 -04:00
co-authored by Claude Opus 5.5
parent 50be766e7b
commit d5cd64605d
14 changed files with 1267 additions and 22 deletions
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v4/tests/host_map.h
+6 -3
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@@ -73,7 +73,7 @@
#define OWED (BUF0_W - 112) /* those: for each, the node it is owed to and the node the refused message was for */
#define ACL_HOOK (BUF0_W - 6) /* the xt of the access control recheck word, or 0 */
#define LINE_STATUS (BUF0_W - 9) /* how the last line ended: 0 QUIT, 1 completed, 2 an error */
#define PORT (BUF0_W - 32) /* the node's ports (node.h): V4_PORTS of them, then "any port" and "which port". Port 0 is where its requests go. */
#define PORT (BUF0_W - 140) /* the node's ports (node.h): V4_PORTS of them, then "any port", "which port" and the rest as far as V4_PORT_HAVE. Port 0 is where its requests go. */
#define CONSOLE (BUF0_W - 16) /* the node what this one prints is sent to; 0: whoever sent the text being served */
#define ROUTE_COUNT (BUF0_W - 17) /* how many entries the table of ways holds */
#define ROUTE_DEFAULT (BUF0_W - 18) /* the port address for a node not in the table, or 0: there is none */
@@ -105,8 +105,11 @@
#define LOG_LEVEL (BUF0_W - 5) /* the level at or below which a message is printed */
#define BOOT_CELLS (BVARS + 14) /* (BOOT): DP and LATEST as the loader left them, 2 cells */
#define BUF0_W (BVARS - (v4_cell)(V4_BLOCK_SLOTS * V4_BLOCK_CELLS)) /* the block window: the kernel's slots, 256 cells each (v4/blocks.h) */
/* the ports' ten addresses and the two that follow them end below BUF0_W - 20 */
typedef char host_map_ports_fit[(V4_PORTS <= 8u) ? 1 : -1];
/* The ports and the addresses after them, through V4_PORT_HAVE (node.h, MESH.md 7d.3), are not memory and must be where
* no variable is: after the output buffer, which ends at BUF0_W - 144, and before A_FOUND, the first variable above it.
* With 8 ports that is 18 addresses, BUF0_W - 140 to BUF0_W - 123. (They were once among the variables, and what was
* stored to the variables was stored to ports.) */
typedef char host_map_ports_fit[(PORT >= OUT_W + OUT_CELLS && PORT + (v4_cell)V4_PORT_HAVE < A_FOUND) ? 1 : -1];
/* Nothing printed and no message waiting: a node's variables for them, as at switch-on. */
#define HOST_MESSAGES_EMPTY(n) do { (n)->mem[OUT_PTR] = OUT_W; (n)->mem[MQ_HEAD] = MQ_W; (n)->mem[MQ_TAIL] = MQ_W; (n)->mem[MQ_COUNT] = 0; } while (0)
#define QVARS (BUF0_W - 4) /* (Q): quit.v4, system.v4 and blocks.v4, 4 cells */