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fix(console): the serial line is found, not assumed -- from the devicetree on a board, COM1 by probe on a PC

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Each board has one serial line that is its console, the lowest common
denominator beside the screen and keyboard.  Its address was QEMU's,
fixed: on a Raspberry Pi 5 the aarch64 one is ordinary RAM, written to
with every character printed; on a Milk-V Mars the riscv64 one is the
board's UART with registers four bytes apart, and the UEFI loader would
have waited for ever on its first character; on a PC with no COM1 the
prompt read 0xFF for ever.

console_attach_serial(), called before anything prints: COM1 if a UART
answers there; elsewhere the UART that /chosen/stdout-path names
(fdt_uart.c: alias, path, the address carried up through each bus's
ranges, reg-shift and reg-io-width); with no devicetree, QEMU's.  A
devicetree that names no usable console gives no line, not a guess.  A
line that does not come ready is given up, not waited on.  The riscv64
loader's early serial does the same.

tools/fdt_uart_test.c, run by hand, 19 checks plain and under the
sanitizers: devicetrees shaped like the Mars's, the Pi 5's and QEMU's,
what must find nothing, and a block cut short at every length; and the
Pi 5's real devicetree gives a PL011 at 0x107d001000.

Acceptance, one QEMU at a time: v3 on amd64 (logs/20261013-204436),
aarch64 (-204803) and riscv64 (-205001) to the zuse prompt, no unknown
word, hash 0x08873e0f44b7cb2a on all three as before.  -204600 is an
aarch64 run during which the disk images were restored under it by a
script that had been refused a second QEMU; it passed and is kept, and
was run again.  v4 on the three ISAs (-211149, -211444, -211857): POST
538 of 538, dict_hash 0xe5a57f3eb72ff94a, the typed session unchanged.
The Mars image through OpenSBI and U-Boot in QEMU took its line and its
interrupt controller from the devicetree and passed POST.

Found on the way and not mended (boards/BRINGUP.md 1.6): built with
EMERGENCY_CONSOLE_ENABLED=1 the prompt floods with empty lines.  -210442
shows it; the commit before this does the same.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
rajames
2026-10-13 21:21:32 -04:00
co-authored by Claude Opus 5.5
parent f4e359859a
commit c95191736e
26 changed files with 48560 additions and 141 deletions
Download Patch File Download Diff File Expand all files Collapse all files
logs/20261013-204436/amd64/qemu-amd64-20261013-204436.log
+9144
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logs/20261013-204600/aarch64/qemu-aarch64-20261013-204600.log
+9116
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logs/20261013-204803/aarch64/qemu-aarch64-20261013-204803.log
+9116
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File diff suppressed because it is too large Load Diff
logs/20261013-205001/riscv64/qemu-riscv64-20261013-205001.log
+9189
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File diff suppressed because it is too large Load Diff
logs/20261013-210442/riscv64/qemu-riscv64-20261013-210442.log
+10452
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logs/20261013-211149/amd64/qemu-amd64-20261013-211149.log
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[=3hBdsDxe: loading Boot0002 "UEFI QEMU DVD-ROM QM00005 " from PciRoot(0x0)/Pci(0x1F,0x2)/Sata(0x2,0xFFFF,0x0)
BdsDxe: starting Boot0002 "UEFI QEMU DVD-ROM QM00005 " from PciRoot(0x0)/Pci(0x1F,0x2)/Sata(0x2,0xFFFF,0x0)
[=3hStarKernel UEFI Loader
Loading kernel from ESP...
[CKPT 001] Entered efi_main - ConOut live
RAW SERIAL UP
[CKPT 002] Serial (COM1) initialized
Monolithic build - kernel linked directly
Collecting boot information...
CmdLine: parsed OK
[CKPT 004] Command line parsed
[CKPT 005] Kernel stack allocation decided
[CKPT 006] Boot info collected (ACPI table located)
GOP: linear framebuffer found
[CKPT 007] GOP: linear framebuffer found
[CKPT 008] About to enter ExitBootServices retry loop
EBS...
EBS OK
Calling kernel_main (monolithic)...
_____ _ _ __ _
/ ____| | | |/ / | |
| (___ | |_ __ _ _ __| ' / ___ _ __ _ __ ___| |
\___ \| __/ _` | '__| < / _ \ '__| '_ \ / _ \ |
____) | || (_| | | | . \ __/ | | | | | __/ |
|_____/ \__\__,_|_| |_|\_\___|_| |_| |_|\___|_|
LithosAnanke v2.1.0 amd64
Architecture: amd64
Build: Oct 13 2026 21:11:22
UEFI BootServices: EXITED
Console: serial line is a 16550 at port 0x00000000000003f8 (COM1, probed)
=== StarKernel Boot Information ===
Memory map entries: 131
Total memory: 1023 MB
Usable memory: 966 MB
===================================
PMM initialized.
PMM statistics:
Total pages: 248734
Free pages : 247211
Used pages : 1523
Total MB : 971
Free MB : 965
Used MB : 5
VMM initialized (mapped RAM, CR3 switched)
VMM initialized (mapped RAM, CR3 switched)
VMM self-test: mapped OK at 0xffff800000000000
VMM self-test complete.
IDT installed.
APIC: init...
APIC: IA32_APIC_BASE MSR=0x00000000fee00900
APIC: stale-ISR drain: 0 EOI(s) issued
APIC: initialized (xAPIC MMIO, TPR=0, SIVR=0x1FF, EOI-clear)
APIC: init done
I/O APIC: init...
I/O APIC: base=0xfec00000, gsi_base=0, overrides=5
override: source=00 gsi=2 flags=0x0000
override: source=05 gsi=5 flags=0x000d
override: source=09 gsi=9 flags=0x000d
override: source=0a gsi=10 flags=0x000d
override: source=0b gsi=11 flags=0x000d
i8042: keyboard ACKed enable-scanning
i8042: IRQ1 enabled in controller config byte
I/O APIC: keyboard IRQ1 routed (masked)
Timer: init...
Timer: init start
Timer: PM_TMR_BLK discovered from FADT at port 1544
Timer: VM mode detected (hypervisor present).
Timer: HPET calibration disabled (VM-exit MMIO would poison timing).
Timer: WARNING: invariant TSC not present under hypervisor.
Timer: continuing in RELATIVE mode (no determinism guarantees).
Timer: RDTSCP not present; using RDTSC (less serialized).
Timer: CPUID frequency unavailable; trying PM Timer...
Timer: trust=1 (0=NONE,1=REL,2=ABS), TSC=2100263096 Hz
Timer: init done
Kernel heap initialized.
Heap statistics:
Total bytes: 536870872
Free bytes: 536870872
Used bytes: 0
Peak bytes: 0
Heap base addr: 24641536
Heap end addr: 561512448
Heartbeat: init...
APIC Timer: calibrating...
APIC Timer: apic_hz=1008377146, tick_hz=100, initial_count=10083771
APIC Timer: configured (masked, ready to start)
Heartbeat: init done
Kernel initialization complete.
Boot successful!
StarForth v4: one host node, the F18-derived engine
V4: capsule v4:nucleus-64.f18 signature: missing (unsigned)
PARITY:V4_NUCLEUS name=v4:nucleus-64.f18 capsule_id=0x3b4a82485b10bfb7 capsule_hash=0x3b4a82485b10bfb7 words=311
V4: capsule v4:forth79.4th signature: missing (unsigned)
PARITY:V4_CAPSULE name=v4:forth79.4th capsule_id=0x4055641ee17d176b capsule_hash=0x4055641ee17d176b dict_hash=0x6b56e15226ee3719
PARITY:V4_POST tests=538 pass=538 fail=0
PARITY:V4_SYSTEM word_count=317 dict_hash=0xe5a57f3eb72ff94a
PARITY:OK
POST: PASSED
[HADES][INFO ] [KRELTSC: 0] blk: raw device LBN 2048..3071 (1024 blocks)
PCI: init...
PCI: ECAM mapped (amd64)
virtio-blk: found device
[HADES][INFO ] [KRELTSC: 71091804] blk: disk 'StarForth Volume' v2 LBN 3072..789009 (785938 user b
Artemis: virtio-blk attached
ok> : SQ DUP * ;
ok
ok> 7 SQ . 3 4 U* . .
49 0 12 ok
ok> T{
UNKNOWN WORD: 'T{'
ERROR
ok> RS1
UNKNOWN WORD: 'RS1'
ERROR
ok> COLD
FORTH-79 Cold Start
System initialized.
ok
ok> 3 4 U* . .
0 12 ok
ok> FORGET U*
Protected word
ERROR
ok> 9 KERNEL-WORD ASK9 ASK9
Argument out of range
ERROR
ok> 1 BLOCK C@ . 2047 BLOCK C@ .
0 0 ok
ok> 2100 BLOCK 1024 BLANK 65 2100 BLOCK C! UPDATE SAVE-BUFFERS EMPTY-BUFFERS 2100 BLOCK C@ .
65 ok
ok> 3072 BLOCK C@ .
0 ok
ok> 3072 BLOCK DROP UPDATE SAVE-BUFFERS
Storage refused
ERROR
ok> 9999999 BLOCK
Block out of range
ERROR
ok> 5 7 PORT!
No one on that port
ERROR
ok> 1 2 + .
3 ok
ok> 5 AWAIT
7 8 * .
Interrupted
ERROR
ok> 56 ok
ok> : N4 400 0 DO I . LOOP ;
ok
ok> N4
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 ok
ok> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
Stack overflow
ERROR
ok> 3 4 + .
7 ok
ok> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
ok
ok> WORDS
N4 ASK9 U/MOD U* (UD) (NB) (BITS) BYE ACL-WORD-ID ACL-HEAT@ ACL-INIT-PRIMITIVES
ACL-INHERIT ACL-ALLOW! ACL-TTL! ACL-MODE! ACL-PIN ACL-PINNED? ACL-ALLOW@
ACL-TTL@ ACL-MODE@ ACL-HOOK LOG-DEBUG" LOG-TEST" LOG-INFO" LOG-WARN"
LOG-ERROR" (LOG") LOG-DEBUG-STR LOG-TEST-STR LOG-INFO-STR LOG-WARN-STR
LOG-ERROR-STR LOG-LEVEL! LOG-LEVEL@ LOG-DEBUG LOG-TEST LOG-INFO
LOG-WARN LOG-ERROR THRU --> LOAD LIST EMPTY-BUFFERS FLUSH SAVE-BUFFERS
UPDATE BLOCK BUFFER BLK SCR Q.PRINT Q.COS Q.SIN Q.LOG Q.SQRT Q.EXP
Q./ Q.* Q.MIN Q.MAX Q.0= Q.> Q.< Q.= Q.NEG Q.ABS Q.- Q.+ Q.SCALE
Q.0 Q.1 Q.TO-INT Q.FROM-INT DEFER@ IS DEFER COLD WARM PAGE VERSION
79-STANDARD FORGET VLIST WORDS ORDER VOCABULARY DEFINITIONS FORTH
CURRENT CONTEXT FENCE SKIP SCAN SEARCH COMPARE -TRAILING BLANK ERASE
FILL MOVE CMOVE> ?TERMINAL DMIN DMAX D< M- M+ D2/ D2* D= D0< D0=
DABS D- RSHIFT LSHIFT WITHIN MIN MAX ABS U> U< >= <= <> 0> 0<> -!
2! 2@ INVERT FALSE TRUE NOP 2R@ 2R> 2>R 2ROT 2OVER 2SWAP DUMP .S
? D. D.R U. U.R . .R OCTAL HEX DECIMAL SPACES #> #S # SIGN HOLD
<# STATE PAD BASE SPAN >IN TIB BL > < = NOT 0< 0= OR XOR AND M/MOD
*/ */MOD MOD / /MOD M* S>D 2/ 2* 2- 2+ 1- 1+ NEGATE * - + CELLS
+! ! @ UNLOOP LEAVE J I R@ R> >R ROLL PICK DEPTH 2DROP 2DUP ?DUP
-ROT ROT SWAP OVER DROP DUP S" (S") ABORT" (ABORT") ." (.") ABORT
QUIT (WORD-FORGOTTEN) (WORD-DEFINED) (REFUSED) (LOST) (CONSOLE)
(ME) NODE-ERROR (SEAL) PORT! AWAIT SEND-ON SEND NO-ROUTES GONE NO-ROUTE
DEFAULT-ROUTE NEIGHBOUR ROUTE +LOOP LOOP ?DO DO ENDCASE ENDOF OF
CASE REPEAT WHILE AGAIN UNTIL BEGIN THEN ELSE IF DOES> CONSTANT
VARIABLE CREATE [COMPILE] COMPILE IMMEDIATE EXIT KERNEL-WORD ; :
[LITERAL] ['] ' LITERAL ] [ INTERPRET EXECUTE FIND HIDDEN SMUDGE
TRAVERSE >BODY PFA CFA NAME> NFA >NAME LINK> LFA >LINK LATEST 2,
C, , ALLOT ALIGN HERE \ ( NUMBER CONVERT ENCLOSE WORD QUERY EXPECT
SOURCE TYPE COUNT SPACE CR KEY EMIT CMOVE C! C@ DNEGATE D+ UM*
ok
ok> DEPTH .
26 ok
ok> : AW 5 AWAIT ;
ok
ok> 1
ok
ok> AW
Stack overflow
ERROR
ok> 4321 .
4321 ok
ok> HERE .
8326 ok
ok> BYE
BYE: cold restart
logs/20261013-211444/aarch64/qemu-aarch64-20261013-211444.log
+191
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@@ -0,0 +1,191 @@
UEFI firmware (version 2025.11-3ubuntu7.3 built at 15:40:26 on Sep 23 2026)
[=3hBdsDxe: failed to load Boot0002 "UEFI Misc Device" from PciRoot(0x0)/Pci(0x2,0x0): Not Found
BdsDxe: failed to load Boot0003 "UEFI QEMU QEMU USB HARDDRIVE 1-0000:00:04.0-1" from PciRoot(0x0)/Pci(0x4,0x0)/USB(0x0,0x0): Not Found
BdsDxe: loading Boot0004 "UEFI Misc Device 2" from PciRoot(0x0)/Pci(0x6,0x0)
BdsDxe: starting Boot0004 "UEFI Misc Device 2" from PciRoot(0x0)/Pci(0x6,0x0)
[=3hStarKernel UEFI Loader
Loading kernel from ESP...
[CKPT 001] Entered efi_main - ConOut live
Collecting boot information...
[CKPT 004] Command line parsed
[CKPT 005] Kernel stack allocation decided
[CKPT 006] Boot info collected (ACPI table located)
[CKPT 007] GOP: linear framebuffer found
[CKPT 008] About to enter ExitBootServices retry loop
_____ _ _ __ _
/ ____| | | |/ / | |
| (___ | |_ __ _ _ __| ' / ___ _ __ _ __ ___| |
\___ \| __/ _` | '__| < / _ \ '__| '_ \ / _ \ |
____) | || (_| | | | . \ __/ | | | | | __/ |
|_____/ \__\__,_|_| |_|\_\___|_| |_| |_|\___|_|
LithosAnanke v2.1.0 aarch64
Architecture: aarch64
Build: Oct 13 2026 21:14:17
UEFI BootServices: EXITED
Console: serial line is a PL011 at 0x0000000009000000 (no devicetree: QEMU's)
=== StarKernel Boot Information ===
Memory map entries: 108
Total memory: 4093 MB
Usable memory: 4054 MB
===================================
PMM initialized.
PMM statistics:
Total pages: 1039345
Free pages : 1037934
Used pages : 1411
Total MB : 4059
Free MB : 4054
Used MB : 5
VMM initialized (mapped RAM, CR3 switched)
VMM initialized (mapped RAM, CR3 switched)
VMM self-test: mapped OK at 0xffff800000000000
VMM self-test complete.
AArch64: running at EL1
IDT installed.
APIC: init...
PSCI: no DTB -- using HVC (QEMU virt-machine default)
GICv2: no DTB GIC node -- using QEMU virt-machine defaults
GICv2: distributor+CPU interface enabled, PPI 30
APIC: init done
Timer: init...
Timer: AArch64 generic timer initialised.
Timer: init done
Kernel heap initialized.
Heap statistics:
Total bytes: 2147483608
Free bytes: 2147483608
Used bytes: 0
Peak bytes: 0
Heap base addr: 1207959552
Heap end addr: 3355443200
Heartbeat: init...
Heartbeat: init done
Kernel initialization complete.
Boot successful!
StarForth v4: one host node, the F18-derived engine
V4: capsule v4:nucleus-64.f18 signature: missing (unsigned)
PARITY:V4_NUCLEUS name=v4:nucleus-64.f18 capsule_id=0x3b4a82485b10bfb7 capsule_hash=0x3b4a82485b10bfb7 words=311
V4: capsule v4:forth79.4th signature: missing (unsigned)
PARITY:V4_CAPSULE name=v4:forth79.4th capsule_id=0x4055641ee17d176b capsule_hash=0x4055641ee17d176b dict_hash=0x6b56e15226ee3719
PARITY:V4_POST tests=538 pass=538 fail=0
PARITY:V4_SYSTEM word_count=317 dict_hash=0xe5a57f3eb72ff94a
PARITY:OK
POST: PASSED
[HADES][INFO ] [KRELTSC: 0] blk: raw device LBN 2048..3071 (1024 blocks)
PCI: init...
virtio-blk: found device
[HADES][INFO ] [KRELTSC: 1364255] blk: disk 'StarForth Volume' v2 LBN 3072..789009 (785938 user b
Artemis: virtio-blk attached
ok> : SQ DUP * ;
ok
ok> 7 SQ . 3 4 U* . .
49 0 12 ok
ok> T{
UNKNOWN WORD: 'T{'
ERROR
ok> RS1
UNKNOWN WORD: 'RS1'
ERROR
ok> COLD
FORTH-79 Cold Start
System initialized.
ok
ok> 3 4 U* . .
0 12 ok
ok> FORGET U*
Protected word
ERROR
ok> 9 KERNEL-WORD ASK9 ASK9
Argument out of range
ERROR
ok> 1 BLOCK C@ . 2047 BLOCK C@ .
0 0 ok
ok> 2100 BLOCK 1024 BLANK 65 2100 BLOCK C! UPDATE SAVE-BUFFERS EMPTY-BUFFERS 2100 BLOCK C@ .
65 ok
ok> 3072 BLOCK C@ .
0 ok
ok> 3072 BLOCK DROP UPDATE SAVE-BUFFERS
Storage refused
ERROR
ok> 9999999 BLOCK
Block out of range
ERROR
ok> 5 7 PORT!
No one on that port
ERROR
ok> 1 2 + .
3 ok
ok> 5 AWAIT
7 8 * .
Interrupted
ERROR
ok> 56 ok
ok> : N4 400 0 DO I . LOOP ;
ok
ok> N4
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 ok
ok> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
Stack overflow
ERROR
ok> 3 4 + .
7 ok
ok> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
ok
ok> WORDS
N4 ASK9 U/MOD U* (UD) (NB) (BITS) BYE ACL-WORD-ID ACL-HEAT@ ACL-INIT-PRIMITIVES
ACL-INHERIT ACL-ALLOW! ACL-TTL! ACL-MODE! ACL-PIN ACL-PINNED? ACL-ALLOW@
ACL-TTL@ ACL-MODE@ ACL-HOOK LOG-DEBUG" LOG-TEST" LOG-INFO" LOG-WARN"
LOG-ERROR" (LOG") LOG-DEBUG-STR LOG-TEST-STR LOG-INFO-STR LOG-WARN-STR
LOG-ERROR-STR LOG-LEVEL! LOG-LEVEL@ LOG-DEBUG LOG-TEST LOG-INFO
LOG-WARN LOG-ERROR THRU --> LOAD LIST EMPTY-BUFFERS FLUSH SAVE-BUFFERS
UPDATE BLOCK BUFFER BLK SCR Q.PRINT Q.COS Q.SIN Q.LOG Q.SQRT Q.EXP
Q./ Q.* Q.MIN Q.MAX Q.0= Q.> Q.< Q.= Q.NEG Q.ABS Q.- Q.+ Q.SCALE
Q.0 Q.1 Q.TO-INT Q.FROM-INT DEFER@ IS DEFER COLD WARM PAGE VERSION
79-STANDARD FORGET VLIST WORDS ORDER VOCABULARY DEFINITIONS FORTH
CURRENT CONTEXT FENCE SKIP SCAN SEARCH COMPARE -TRAILING BLANK ERASE
FILL MOVE CMOVE> ?TERMINAL DMIN DMAX D< M- M+ D2/ D2* D= D0< D0=
DABS D- RSHIFT LSHIFT WITHIN MIN MAX ABS U> U< >= <= <> 0> 0<> -!
2! 2@ INVERT FALSE TRUE NOP 2R@ 2R> 2>R 2ROT 2OVER 2SWAP DUMP .S
? D. D.R U. U.R . .R OCTAL HEX DECIMAL SPACES #> #S # SIGN HOLD
<# STATE PAD BASE SPAN >IN TIB BL > < = NOT 0< 0= OR XOR AND M/MOD
*/ */MOD MOD / /MOD M* S>D 2/ 2* 2- 2+ 1- 1+ NEGATE * - + CELLS
+! ! @ UNLOOP LEAVE J I R@ R> >R ROLL PICK DEPTH 2DROP 2DUP ?DUP
-ROT ROT SWAP OVER DROP DUP S" (S") ABORT" (ABORT") ." (.") ABORT
QUIT (WORD-FORGOTTEN) (WORD-DEFINED) (REFUSED) (LOST) (CONSOLE)
(ME) NODE-ERROR (SEAL) PORT! AWAIT SEND-ON SEND NO-ROUTES GONE NO-ROUTE
DEFAULT-ROUTE NEIGHBOUR ROUTE +LOOP LOOP ?DO DO ENDCASE ENDOF OF
CASE REPEAT WHILE AGAIN UNTIL BEGIN THEN ELSE IF DOES> CONSTANT
VARIABLE CREATE [COMPILE] COMPILE IMMEDIATE EXIT KERNEL-WORD ; :
[LITERAL] ['] ' LITERAL ] [ INTERPRET EXECUTE FIND HIDDEN SMUDGE
TRAVERSE >BODY PFA CFA NAME> NFA >NAME LINK> LFA >LINK LATEST 2,
C, , ALLOT ALIGN HERE \ ( NUMBER CONVERT ENCLOSE WORD QUERY EXPECT
SOURCE TYPE COUNT SPACE CR KEY EMIT CMOVE C! C@ DNEGATE D+ UM*
ok
ok> DEPTH .
26 ok
ok> : AW 5 AWAIT ;
ok
ok> 1
ok
ok> AW
Stack overflow
ERROR
ok> 4321 .
4321 ok
ok> HERE .
8326 ok
ok> BYE
BYE: cold restart
logs/20261013-211857/riscv64/qemu-riscv64-20261013-211857.log
+261
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@@ -0,0 +1,261 @@
OpenSBI v1.8
____ _____ ____ _____
/ __ \ / ____| _ \_ _|
| | | |_ __ ___ _ __ | (___ | |_) || |
| | | | '_ \ / _ \ '_ \ \___ \| _ < | |
| |__| | |_) | __/ | | |____) | |_) || |_
\____/| .__/ \___|_| |_|_____/|____/_____|
| |
|_|
Platform Name : riscv-virtio,qemu
Platform Features : medeleg
Platform HART Count : 1
Platform HART Protection : pmp
Platform IPI Device : aclint-mswi
Platform Timer Device : aclint-mtimer @ 10000000Hz
Platform Console Device : uart8250
Platform HSM Device : ---
Platform PMU Device : ---
Platform Reboot Device : syscon-reboot
Platform Shutdown Device : syscon-poweroff
Platform Suspend Device : ---
Platform CPPC Device : ---
Firmware Base : 0x80000000
Firmware Size : 321 KB
Firmware RW Offset : 0x40000
Firmware RW Size : 65 KB
Firmware Heap Offset : 0x47000
Firmware Heap Size : 37 KB (total), 0 KB (reserved), 12 KB (used), 23 KB (free)
Firmware Scratch Size : 4096 B (total), 1464 B (used), 2632 B (free)
Runtime SBI Version : 3.0
Standard SBI Extensions : ipi,pmu,srst,sse,hsm,rfnc,fwft,time,base,legacy,dbcn,dbtr
Experimental SBI Extensions : none
Domain0 Name : root
Domain0 Boot HART : 0
Domain0 HARTs : 0*
Domain0 Region00 : 0x0000000080040000-0x000000008005ffff M: (F,R,W) S/U: ()
Domain0 Region01 : 0x0000000080000000-0x000000008003ffff M: (F,R,X) S/U: ()
Domain0 Region02 : 0x0000000000100000-0x0000000000100fff M: (I,R,W) S/U: (R,W)
Domain0 Region03 : 0x0000000010000000-0x0000000010000fff M: (I,R,W) S/U: (R,W)
Domain0 Region04 : 0x0000000002000000-0x000000000200ffff M: (I,R,W) S/U: ()
Domain0 Region05 : 0x000000000c400000-0x000000000c5fffff M: (I,R,W) S/U: (R,W)
Domain0 Region06 : 0x000000000c000000-0x000000000c3fffff M: (I,R,W) S/U: (R,W)
Domain0 Region07 : 0x0000000000000000-0xffffffffffffffff M: () S/U: (R,W,X)
Domain0 Next Address : 0x0000000020000000
Domain0 Next Arg1 : 0x00000000bfe00000
Domain0 Next Mode : S-mode
Domain0 SysReset : yes
Domain0 SysSuspend : yes
Boot HART ID : 0
Boot HART Domain : root
Boot HART Priv Version : v1.12
Boot HART Base ISA : rv64imafdch
Boot HART ISA Extensions : sstc,zicntr,zihpm,zicboz,zicbom,sdtrig,svadu
Boot HART PMP Count : 16
Boot HART PMP Granularity : 2 bits
Boot HART PMP Address Bits : 54
Boot HART MHPM Info : 16 (0x0007fff8)
Boot HART Debug Triggers : 2 triggers
Boot HART MIDELEG : 0x0000000000001666
Boot HART MEDELEG : 0x0000000000f4b509
[=3hRISC-V EDK2 firmware version 2025.11-3ubuntu7.3
Press ESCAPE within 5 seconds for boot options ERROR: C40000002:V03051002 I0 6D33944A-EC75-4855-A54D-809C75241F6C 83FFF850
BdsDxe: failed to load Boot0001 "UEFI Misc Device" fr
om PciRoot(0x0)/Pci(0x1,0x0): Not Found
[=3hStarKernel UEFI Loader
Loading kernel from ESP...
[CKPT 001] Entered efi_main - ConOut live
Monolithic build - kernel linked directly
Collecting boot information...
CmdLine: parsed OK
[CKPT 004] Command line parsed
[CKPT 005] Kernel stack allocation decided
[CKPT 006] Boot info collected (ACPI table located)
GOP: linear framebuffer found
[CKPT 007] GOP: linear framebuffer found
[CKPT 008] About to enter ExitBootServices retry loop
Calling kernel_main (monolithic)...
riscv64 item 4.3.5a: satp state at kernel entry (before switch)
satp.MODE = 0x000000000000000a
satp.PPN = 0x00000000000bf868
__kernel_start = 0x00000000bdc95794
riscv64: satp cleared -- Bare mode, explicit (item 4.3.5a)
_____ _ _ __ _
/ ____| | | |/ / | |
| (___ | |_ __ _ _ __| ' / ___ _ __ _ __ ___| |
\___ \| __/ _` | '__| < / _ \ '__| '_ \ / _ \ |
____) | || (_| | | | . \ __/ | | | | | __/ |
|_____/ \__\__,_|_| |_|\_\___|_| |_| |_|\___|_|
LithosAnanke v2.1.0 riscv64
Architecture: riscv64
Build: Oct 13 2026 21:18:17
UEFI BootServices: EXITED
Console: serial line is a 16550 at 0x0000000010000000 (no devicetree: QEMU's)
=== StarKernel Boot Information ===
Memory map entries: 100
Total memory: 1020 MB
Usable memory: 975 MB
===================================
PMM initialized.
PMM statistics:
Total pages: 250264
Free pages : 249612
Used pages : 652
Total MB : 977
Free MB : 975
Used MB : 2
VMM initialized (mapped RAM, CR3 switched)
VMM initialized (mapped RAM, CR3 switched)
VMM self-test: mapped OK at 0xffff800000000000
VMM self-test complete.
IDT installed.
APIC: init...
PLIC: no DTB PLIC node -- using QEMU virt-machine default (base=0x0c000000)
PLIC: init (S-mode context 1, threshold=0)
APIC: init done
Timer: init...
Timer: RISC-V time CSR @ 10000000 Hz (FALLBACK, no devicetree)
Timer: init done
Kernel heap initialized.
Heap statistics:
Total bytes: 536870872
Free bytes: 536870872
Used bytes: 0
Peak bytes: 0
Heap base addr: 2214588416
Heap end addr: 2751459328
Heartbeat: init...
Heartbeat: init done
Kernel initialization complete.
Boot successful!
StarForth v4: one host node, the F18-derived engine
V4: capsule v4:nucleus-64.f18 signature: missing (unsigned)
PARITY:V4_NUCLEUS name=v4:nucleus-64.f18 capsule_id=0x3b4a82485b10bfb7 capsule_hash=0x3b4a82485b10bfb7 words=311
V4: capsule v4:forth79.4th signature: missing (unsigned)
PARITY:V4_CAPSULE name=v4:forth79.4th capsule_id=0x4055641ee17d176b capsule_hash=0x4055641ee17d176b dict_hash=0x6b56e15226ee3719
PARITY:V4_POST tests=538 pass=538 fail=0
PARITY:V4_SYSTEM word_count=317 dict_hash=0xe5a57f3eb72ff94a
PARITY:OK
POST: PASSED
[HADES][INFO ] [KRELTSC: 0] blk: raw device LBN 2048..3071 (1024 blocks)
PCI: init...
virtio-blk: found device
[HADES][INFO ] [KRELTSC: 30621024] blk: disk 'StarForth Volume' v2 LBN 3072..789009 (785938 user b
Artemis: virtio-blk attached
ok> : SQ DUP * ;
ok
ok> 7 SQ . 3 4 U* . .
49 0 12 ok
ok> T{
UNKNOWN WORD: 'T{'
ERROR
ok> RS1
UNKNOWN WORD: 'RS1'
ERROR
ok> COLD
FORTH-79 Cold Start
System initialized.
ok
ok> 3 4 U* . .
0 12 ok
ok> FORGET U*
Protected word
ERROR
ok> 9 KERNEL-WORD ASK9 ASK9
Argument out of range
ERROR
ok> 1 BLOCK C@ . 2047 BLOCK C@ .
0 0 ok
ok> 2100 BLOCK 1024 BLANK 65 2100 BLOCK C! UPDATE SAVE-BUFFERS EMPTY-BUFFERS 2100 BLOCK C@ .
65 ok
ok> 3072 BLOCK C@ .
0 ok
ok> 3072 BLOCK DROP UPDATE SAVE-BUFFERS
Storage refused
ERROR
ok> 9999999 BLOCK
Block out of range
ERROR
ok> 5 7 PORT!
No one on that port
ERROR
ok> 1 2 + .
3 ok
ok> 5 AWAIT
7 8 * .
Interrupted
ERROR
ok> 56 ok
ok> : N4 400 0 DO I . LOOP ;
ok
ok> N4
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 ok
ok> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
Stack overflow
ERROR
ok> 3 4 + .
7 ok
ok> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
ok
ok> WORDS
N4 ASK9 U/MOD U* (UD) (NB) (BITS) BYE ACL-WORD-ID ACL-HEAT@ ACL-INIT-PRIMITIVES
ACL-INHERIT ACL-ALLOW! ACL-TTL! ACL-MODE! ACL-PIN ACL-PINNED? ACL-ALLOW@
ACL-TTL@ ACL-MODE@ ACL-HOOK LOG-DEBUG" LOG-TEST" LOG-INFO" LOG-WARN"
LOG-ERROR" (LOG") LOG-DEBUG-STR LOG-TEST-STR LOG-INFO-STR LOG-WARN-STR
LOG-ERROR-STR LOG-LEVEL! LOG-LEVEL@ LOG-DEBUG LOG-TEST LOG-INFO
LOG-WARN LOG-ERROR THRU --> LOAD LIST EMPTY-BUFFERS FLUSH SAVE-BUFFERS
UPDATE BLOCK BUFFER BLK SCR Q.PRINT Q.COS Q.SIN Q.LOG Q.SQRT Q.EXP
Q./ Q.* Q.MIN Q.MAX Q.0= Q.> Q.< Q.= Q.NEG Q.ABS Q.- Q.+ Q.SCALE
Q.0 Q.1 Q.TO-INT Q.FROM-INT DEFER@ IS DEFER COLD WARM PAGE VERSION
79-STANDARD FORGET VLIST WORDS ORDER VOCABULARY DEFINITIONS FORTH
CURRENT CONTEXT FENCE SKIP SCAN SEARCH COMPARE -TRAILING BLANK ERASE
FILL MOVE CMOVE> ?TERMINAL DMIN DMAX D< M- M+ D2/ D2* D= D0< D0=
DABS D- RSHIFT LSHIFT WITHIN MIN MAX ABS U> U< >= <= <> 0> 0<> -!
2! 2@ INVERT FALSE TRUE NOP 2R@ 2R> 2>R 2ROT 2OVER 2SWAP DUMP .S
? D. D.R U. U.R . .R OCTAL HEX DECIMAL SPACES #> #S # SIGN HOLD
<# STATE PAD BASE SPAN >IN TIB BL > < = NOT 0< 0= OR XOR AND M/MOD
*/ */MOD MOD / /MOD M* S>D 2/ 2* 2- 2+ 1- 1+ NEGATE * - + CELLS
+! ! @ UNLOOP LEAVE J I R@ R> >R ROLL PICK DEPTH 2DROP 2DUP ?DUP
-ROT ROT SWAP OVER DROP DUP S" (S") ABORT" (ABORT") ." (.") ABORT
QUIT (WORD-FORGOTTEN) (WORD-DEFINED) (REFUSED) (LOST) (CONSOLE)
(ME) NODE-ERROR (SEAL) PORT! AWAIT SEND-ON SEND NO-ROUTES GONE NO-ROUTE
DEFAULT-ROUTE NEIGHBOUR ROUTE +LOOP LOOP ?DO DO ENDCASE ENDOF OF
CASE REPEAT WHILE AGAIN UNTIL BEGIN THEN ELSE IF DOES> CONSTANT
VARIABLE CREATE [COMPILE] COMPILE IMMEDIATE EXIT KERNEL-WORD ; :
[LITERAL] ['] ' LITERAL ] [ INTERPRET EXECUTE FIND HIDDEN SMUDGE
TRAVERSE >BODY PFA CFA NAME> NFA >NAME LINK> LFA >LINK LATEST 2,
C, , ALLOT ALIGN HERE \ ( NUMBER CONVERT ENCLOSE WORD QUERY EXPECT
SOURCE TYPE COUNT SPACE CR KEY EMIT CMOVE C! C@ DNEGATE D+ UM*
ok
ok> DEPTH .
26 ok
ok> : AW 5 AWAIT ;
ok
ok> 1
ok
ok> AW
Stack overflow
ERROR
ok> 4321 .
4321 ok
ok> HERE .
8326 ok
ok> BYE
BYE: cold restart