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LithosAnanake/v4/tools/mkmap.c
T
rajamesandClaude Opus 5.5 afd9d46d29 feat(v4): the system's UM*, UM/MOD, D+, DNEGATE, Q.* and Q./ call the ROM 
MACHINE.md 2.2.  Each is its entry's address, push and ;.  Every node the
tests make carries the host ROM (host_load, Hera's births, the depth and
mesh tests' own nodes), and a division by zero inside the ROM returns to
the prompt (hosted-check).  test_host_quit's fetch outside memory moves
past the ROM's range: 16384 is the ROM's first word now the tests' system
has its ROM, as the product's always had.  dict_hash 0xfec8c47cfc6f437f.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-15 20:16:50 -04:00

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7.5 KiB
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/* mkmap.c -- the memory map, as constants the ROM is assembled with.
*
* mkmap > rom-map-<width>.f18
* mkmap sys > capsules/v4/sys/map-<width>.f18
* mkmap image > v4_map_<width>.c
*
* Runs on the build machine, built for the host node (HOST_WORDS and the
* host stack sizes) at one cell width. It writes, as `constant` lines in
* the text assembler's notation, the addresses and codes of
* v4/tests/host_map.h that the ROM's source (capsules/v4/rom) uses: the
* console's receive registers, the ROM's state area (MACHINE.md 2.1), the
* math's constants and its shared entries (MACHINE.md 2.2).
* The map has one source, host_map.h; this is how the ROM reads it.
*/
#include "../tests/host_map.h"
#include "../include/v4/rom_entries.h"
#include <stdio.h>
static void constant(const char *name, long value)
{
printf("constant %s %ld\n", name, value);
}
/* `mkmap sys`: the system's map, the blob the ROM reads before the system's
* source (capsules/v4/sys/map-<width>.f18): every constant host_load gives
* the nucleus, and the two its end (capsules/v4/sys/end.f18) needs besides. */
static int system_map(void)
{
printf("\\ map-%d.f18 -- the memory map the system's source is assembled with, %d-bit cells.\n", V4_CELL_BITS, V4_CELL_BITS);
printf("\\ Generated by v4/tools/mkmap.c (mkmap sys) from v4/tests/host_map.h -- do not edit.\n");
#define SYS_CONSTANT(name, value) constant(name, (long)(v4_cell)(value));
HOST_CONSTANTS(SYS_CONSTANT)
#undef SYS_CONSTANT
#define SYS_ROM_ENTRY(i, routine, forth, effect) constant("ROM-" forth, (long)(V4_ROM_BASE + (v4_cell)(i)));
V4_ROM_MATH_ENTRIES(SYS_ROM_ENTRY)
#undef SYS_ROM_ENTRY
constant("DICT-W", (long)DICT_W);
constant("(IMG)", (long)ROM_IMG);
return 0;
}
/* `mkmap image`: the system as its host knows it before it is built
* (include/v4/image.h, v4_map_image): what the build was for, the map's
* addresses, and where the image record and the ROM's error are. What only
* the assembled system knows -- where it waits, its fault table, KEY -- is
* -1 here; v4_image_from_node reads it from the image record. */
static int image_description(void)
{
printf("/* Generated by v4/tools/mkmap.c (mkmap image) from v4/tests/host_map.h -- do not edit. */\n");
printf("#include \"v4/image.h\"\n\nconst v4_image v4_map_image = {\n");
printf(" %uu, %uu, %uu, %uu,\n", (unsigned)V4_CELL_BITS, (unsigned)V4_NODE_WORDS, (unsigned)V4_DATA_RING, (unsigned)V4_RET_RING);
printf(" -1,\n -1, %ld,\n -1, -1,\n", (long)PORT);
printf(" %ld, %ld, %ld,\n %ld, %ld,\n %ld,\n %ld, %ld,\n %ld, %ld,\n %ld,\n",
(long)CONSOLE_TX, (long)CONSOLE_RX, (long)CONSOLE_ST, (long)DSTACK_REG, (long)RSTACK_REG,
(long)NODE_ERROR, (long)DP, (long)LATEST, (long)BOOT_CELLS, (long)FENCE, (long)BUF0_W);
printf(" %ld, %ld, %ld\n};\n", (long)ROM_IMG, (long)ROM_FAILED, (long)ROM_ERRLINE);
return 0;
}
int main(int argc, char **argv)
{
(void)host_load; /* host_map.h's loader is not this tool's */
(void)host_branch_slots;
if (argc == 2 && argv[1][0] == 's') return system_map();
if (argc == 2 && argv[1][0] == 'i') return image_description();
printf("\\ Generated by v4/tools/mkmap.c from v4/tests/host_map.h -- do not edit.\n");
constant("CONSOLE-RX", (long)CONSOLE_RX);
constant("CONSOLE-STATUS", (long)CONSOLE_ST);
constant("(TOK)", (long)ROM_TOK);
constant("(TOKN)", (long)ROM_TOKN);
constant("(PEEK)", (long)ROM_PEEK);
constant("(LINE)", (long)ROM_LINE);
constant("(EOF)", (long)ROM_EOF);
constant("(FAILED)", (long)ROM_FAILED);
constant("(ERRLINE)", (long)ROM_ERRLINE);
constant("(NBASE)", (long)ROM_NBASE);
constant("(NNEG)", (long)ROM_NNEG);
constant("(NI)", (long)ROM_NI);
constant("(NU)", (long)ROM_NU);
constant("(NBIG)", (long)ROM_NBIG);
constant("(RECN)", (long)ROM_RECN);
constant("(POOLN)", (long)ROM_POOLN);
constant("(REC)", (long)ROM_REC);
constant("(CNT)", (long)ROM_CNT);
constant("(PTR)", (long)ROM_PTR);
constant("(I)", (long)ROM_I);
constant("(WI)", (long)ROM_WI);
constant("(SYMH)", (long)ROM_SYMH);
constant("SYMREC", (long)ROM_SYMREC);
constant("POOLTOP", (long)ROM_POOLTOP);
{
/* the ROM's error codes, ERR-TOO-LONG ... (v4/rom_errors.h) */
static const struct { const char *name; long code; } errs[] = {
#define ROM_ERR_CONST_(name, code, text) { #name, code },
V4_ROM_ERRORS(ROM_ERR_CONST_)
#undef ROM_ERR_CONST_
};
unsigned e, c;
for (e = 0; e < sizeof errs / sizeof errs[0]; e++) {
char n[40] = "ERR-";
for (c = 0; errs[e].name[c] && c < sizeof n - 5u; c++) n[4 + c] = errs[e].name[c] == '_' ? '-' : errs[e].name[c];
n[4 + c] = 0;
constant(n, errs[e].code);
}
}
constant("(HERE)", (long)ROM_HERE);
constant("(CUR)", (long)ROM_CUR);
constant("(SLOT)", (long)ROM_SLOT);
constant("(NLIT)", (long)ROM_NLIT);
constant("(LITS)", (long)ROM_LITS);
constant("(PI)", (long)ROM_PI);
constant("(RS)", (long)ROM_RS);
constant("(RN)", (long)ROM_RN);
constant("RAM-WORDS", (long)V4_NODE_WORDS);
constant("ADDR-TOP", (long)ROM_ADDR_TOP);
constant("(NREF)", (long)ROM_NREF);
constant("(NLAB)", (long)ROM_NLAB);
constant("(WNP)", (long)ROM_WNP);
constant("(NFOR)", (long)ROM_NFOR);
constant("(FORS)", (long)ROM_FORS);
constant("(RDEPTH)", (long)ROM_RDEPTH);
constant("(RPTRS)", (long)ROM_RPTRS);
constant("(T1)", (long)ROM_T1);
constant("(T2)", (long)ROM_T2);
constant("(T3)", (long)ROM_T3);
constant("(T4)", (long)ROM_T4);
constant("(CFROM)", (long)ROM_CFROM);
constant("(CTO)", (long)ROM_CTO);
constant("(CN)", (long)ROM_CN);
constant("(RAW)", (long)ROM_RAW);
constant("(T5)", (long)ROM_T5);
constant("(T6)", (long)ROM_T6);
constant("(MLEN)", (long)ROM_MLEN);
constant("(REFS)", (long)ROM_REFS);
constant("(LABELS)", (long)ROM_LABELS);
constant("(WNAMES)", (long)ROM_WNAMES);
constant("(TSAVE)", (long)ROM_TSAVE);
constant("(MTEMP)", (long)ROM_MTEMP);
constant("(MBODY)", (long)ROM_MBODY);
constant("ORIGIN", (long)ROM_ORIGIN);
constant("REFS-MAX", (long)ROM_REFS_MAX);
constant("WN-SIZE", (long)ROM_WN_SIZE);
constant("MBODY-SIZE", (long)ROM_MBODY_SIZE);
constant("DICT-W", (long)DICT_W);
constant("DICT-END", (long)DICT_END_W);
constant("BUF0", (long)BUF0_W);
constant("TIB-W", (long)TIB_W);
constant("DSTACK-REG", (long)DSTACK_REG);
constant("RSTACK-REG", (long)RSTACK_REG);
/* the cell width's constants (NUMBER) needs, written as signed cells */
constant("MSB", (long)(v4_cell)V4_MSB);
constant("DEC-LIMIT", (long)(v4_cell)(~(v4_ucell)0 / 10u));
constant("DEC-NLAST", -(long)(~(v4_ucell)0 % 10u) - 1);
constant("HEX-HIGH", (long)(v4_cell)~(~(v4_ucell)0 >> 4));
/* the math's constants (capsules/v4/rom/math.f18) */
constant("N-1", (long)(V4_CELL_BITS - 1));
constant("NODE-ERROR", (long)NODE_ERROR);
constant("(Q/)", (long)QBASE);
constant("MAXHI", (long)(v4_cell)(V4_MSB - 1u));
constant("2N+15", (long)(2 * V4_CELL_BITS + 15));
constant("N-18", (long)(V4_CELL_BITS - 18));
constant("N-17", (long)(V4_CELL_BITS - 17));
/* the shared entries, the start of both ROMs' tables (v4/rom_entries.h) */
printf("macro (MATH-ENTRIES)");
#define MATH_ENTRY_JUMP(i, routine, forth, effect) printf(" jump %s", routine);
V4_ROM_MATH_ENTRIES(MATH_ENTRY_JUMP)
#undef MATH_ENTRY_JUMP
printf(" endmacro\n");
return 0;
}
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