MESH.md step 3. The ports are the transport; the message is what is transported: to, from, type, heat and TTL, ACL tag, sequence, length, then text four characters to a word. - quit.v4: a node with nothing to do is blocked reading "any port"; text for it is interpreted; (FINISH) sends what it printed and then how the text ended, and it waits again - core.v4: EMIT keeps what is printed, (FLUSH-OUT) and (HDR) send it to the sender on the port the message came on. EMIT still needs one free data cell and no more; it works on the return stack and in A and B - message.h/.c: the same format for whatever is on a port and is not a node - boot.c: the boot is the node's console on port 1 and its kernel on port 0 - the prompt tests are a console that speaks messages - gone: v4_line_begin, v4_line_done, v4_line_status; writing a node's input buffer and setting its P from outside; any use of CONSOLE-TX Verified: make -C v4 test (test_host_quit.c 1283 checks, the full-stack figures unchanged) and make -C v4 sanitize pass; hosted-check passes on three ISAs with POST 550 of 550; clean qemu with STARFORTH_V4=1 passes POST and answers lines typed at each prompt on amd64, aarch64 and riscv64 (logs/20261006-110551, -111621, -111341). -110837 is an aarch64 run ended by the test wrapper's limit while still in UEFI firmware; it shows nothing about v4. Not done: KEY, EXPECT and QUERY still read the console's input registers; a message not for this node is let go (step 4). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/* image.c -- the StarForth nucleus, as its host knows it. See image.h.
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*
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* Nothing here uses the C library: the bare-metal kernel links this file.
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*/
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#include "v4/image.h"
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int v4_image_born(v4_node *n, v4_exec_state *es, v4_heat *h, const v4_image *im,
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unsigned char *disk, unsigned blocks)
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{
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if (im->cell_bits != (unsigned)V4_CELL_BITS || im->node_words != (unsigned)V4_NODE_WORDS
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|| im->data_ring != (unsigned)V4_DATA_RING || im->ret_ring != (unsigned)V4_RET_RING)
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return 0;
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v4_node_born(n, im->port);
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v4_exec_reset(es);
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v4_heat_reset(h);
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v4_node_console_attach(n, im->console_tx);
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v4_node_console_input_attach(n, im->console_rx, im->console_status);
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v4_node_stack_regs_attach(n, im->dstack_reg, im->rstack_reg);
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v4_node_error_attach(n, im->node_error);
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v4_node_fault_attach(n, im->fault_table);
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if (disk && blocks) v4_node_storage_attach(n, im->storage_reg, disk, blocks);
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return 1;
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}
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int v4_image_waiting(const v4_node *n, const v4_image *im)
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{
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return n->input_pos == n->input_len && n->p >= im->key_start && n->p < im->key_end;
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}
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void v4_image_seal(v4_node *n, const v4_image *im)
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{
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n->mem[im->boot_cells] = n->mem[im->dp];
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n->mem[im->boot_cells + 1] = n->mem[im->latest];
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n->mem[im->fence] = (n->mem[im->dp] + 3) / 4;
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}
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