feat(v4.0.0): the nucleus is a capsule, sent to a node born empty
MESH.md step 2. A capsule of F18 code is the words a neighbour writes to a node's port: for each stretch of memory, "@p a! @p push", the address and count, "@p !+ unext" and the words; then a jump to the start. A node born empty executes that from its port, so it needs nothing in it beforehand. - capsule.h/.c: v4_capsule_write, any node's memory as such a capsule - mkimage writes the nucleus so, to capsules/v4/nucleus-64.f18, and the addresses a host needs as a C file; the memory image is no longer linked into either product - mkcapsule is unchanged: the nucleus capsule is a built file kept under capsules/, as BLOCK_MAP.md is, and is baked, hashed and signed with the rest - boot: the node is born empty (v4_image_born); the nucleus capsule is found, its hash and signature checked, and given to the node a word at a time as it reads its port; PARITY:V4_NUCLEUS carries its name and hash Verified: test_fabric.c (59 checks, both widths, and under ASan and UBSan): a memory with a programme and scattered words arrives word for word in an empty node and runs. The nucleus capsule rebuilds byte for byte. hosted-check passes on three ISAs; clean qemu with STARFORTH_V4=1 on amd64, aarch64 and riscv64 takes the nucleus in, passes POST (550 of 550) and answers lines typed at each prompt (logs/20261006-102421, -102706, -103048). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
rajames
co-authored by
Claude Opus 5.5
Claude Opus 5.5
parent
9af442f793
commit
42610e844f
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OpenSBI v1.8
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____ _____ ____ _____
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/ __ \ / ____| _ \_ _|
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| | | |_ __ ___ _ __ | (___ | |_) || |
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| | | | '_ \ / _ \ '_ \ \___ \| _ < | |
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| |__| | |_) | __/ | | |____) | |_) || |_
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\____/| .__/ \___|_| |_|_____/|____/_____|
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| |
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|_|
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Platform Name : riscv-virtio,qemu
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Platform Features : medeleg
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Platform HART Count : 1
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Platform HART Protection : pmp
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Platform IPI Device : aclint-mswi
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Platform Timer Device : aclint-mtimer @ 10000000Hz
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Platform Console Device : uart8250
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Platform HSM Device : ---
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Platform PMU Device : ---
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Platform Reboot Device : syscon-reboot
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Platform Shutdown Device : syscon-poweroff
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Platform Suspend Device : ---
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Platform CPPC Device : ---
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Firmware Base : 0x80000000
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Firmware Size : 321 KB
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Firmware RW Offset : 0x40000
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Firmware RW Size : 65 KB
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Firmware Heap Offset : 0x47000
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Firmware Heap Size : 37 KB (total), 0 KB (reserved), 12 KB (used), 23 KB (free)
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Firmware Scratch Size : 4096 B (total), 1464 B (used), 2632 B (free)
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Runtime SBI Version : 3.0
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Standard SBI Extensions : ipi,pmu,srst,sse,hsm,rfnc,fwft,time,base,legacy,dbcn,dbtr
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Experimental SBI Extensions : none
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Domain0 Name : root
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Domain0 Boot HART : 0
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Domain0 HARTs : 0*
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Domain0 Region00 : 0x0000000080040000-0x000000008005ffff M: (F,R,W) S/U: ()
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Domain0 Region01 : 0x0000000080000000-0x000000008003ffff M: (F,R,X) S/U: ()
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Domain0 Region02 : 0x0000000000100000-0x0000000000100fff M: (I,R,W) S/U: (R,W)
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Domain0 Region03 : 0x0000000010000000-0x0000000010000fff M: (I,R,W) S/U: (R,W)
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Domain0 Region04 : 0x0000000002000000-0x000000000200ffff M: (I,R,W) S/U: ()
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Domain0 Region05 : 0x000000000c400000-0x000000000c5fffff M: (I,R,W) S/U: (R,W)
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Domain0 Region06 : 0x000000000c000000-0x000000000c3fffff M: (I,R,W) S/U: (R,W)
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Domain0 Region07 : 0x0000000000000000-0xffffffffffffffff M: () S/U: (R,W,X)
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Domain0 Next Address : 0x0000000020000000
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Domain0 Next Arg1 : 0x00000000bfe00000
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Domain0 Next Mode : S-mode
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Domain0 SysReset : yes
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Domain0 SysSuspend : yes
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Boot HART ID : 0
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Boot HART Domain : root
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Boot HART Priv Version : v1.12
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Boot HART Base ISA : rv64imafdch
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Boot HART ISA Extensions : sstc,zicntr,zihpm,zicboz,zicbom,sdtrig,svadu
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Boot HART PMP Count : 16
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Boot HART PMP Granularity : 2 bits
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Boot HART PMP Address Bits : 54
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Boot HART MHPM Info : 16 (0x0007fff8)
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Boot HART Debug Triggers : 2 triggers
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Boot HART MIDELEG : 0x0000000000001666
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Boot HART MEDELEG : 0x0000000000f4b509
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[2J[004D[=3h[2J[009D[2J[004D[8;031;100t[2J[016DRISC-V EDK2 firmware version 2025.11-3ubuntu7.3
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Press ESCAPE within 5 seconds for boot options ERROR: C40000002:V03051002 I0 6D33944A-EC75-4855-A54D-809C75241F6C 83FFF850
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BdsDxe: failed to load Boot0001 "UEFI Misc Device" fr
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om PciRoot(0x0)/Pci(0x1,0x0): Not Found
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[2J[001;001H[=3h[2J[009DStarKernel UEFI Loader
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Loading kernel from ESP...
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[CKPT 001] Entered efi_main - ConOut live
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Monolithic build - kernel linked directly
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Collecting boot information...
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CmdLine: parsed OK
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[CKPT 004] Command line parsed
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[CKPT 005] Kernel stack allocation decided
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[CKPT 006] Boot info collected (ACPI table located)
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GOP: linear framebuffer found
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[CKPT 007] GOP: linear framebuffer found
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[CKPT 008] About to enter ExitBootServices retry loop
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Calling kernel_main (monolithic)...
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riscv64 item 4.3.5a: satp state at kernel entry (before switch)
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satp.MODE = 0x000000000000000a
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satp.PPN = 0x00000000000bf868
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__kernel_start = 0x00000000bdea88f8
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riscv64: satp cleared -- Bare mode, explicit (item 4.3.5a)
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_____ _ _ __ _
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/ ____| | | |/ / | |
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| (___ | |_ __ _ _ __| ' / ___ _ __ _ __ ___| |
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\___ \| __/ _` | '__| < / _ \ '__| '_ \ / _ \ |
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____) | || (_| | | | . \ __/ | | | | | __/ |
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|_____/ \__\__,_|_| |_|\_\___|_| |_| |_|\___|_|
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LithosAnanke v2.1.0
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Architecture: riscv64
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Build: Oct 6 2026 10:30:10
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UEFI BootServices: EXITED
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=== StarKernel Boot Information ===
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Memory map entries: 100
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Total memory: 1020 MB
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Usable memory: 977 MB
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===================================
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PMM initialized.
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PMM statistics:
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Total pages: 250783
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Free pages : 250131
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Used pages : 652
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Total MB : 979
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Free MB : 977
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Used MB : 2
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VMM initialized (mapped RAM, CR3 switched)
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VMM initialized (mapped RAM, CR3 switched)
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VMM self-test: mapped OK at 0xffff800000000000
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VMM self-test complete.
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IDT installed.
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APIC: init...
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PLIC: no DTB PLIC node -- using QEMU virt-machine default (base=0x0c000000)
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PLIC: init (S-mode context 1, threshold=0)
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APIC: init done
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Timer: init...
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Timer: RISC-V time CSR @ 10000000 Hz (FALLBACK, no devicetree)
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Timer: init done
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Kernel heap initialized.
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Heap statistics:
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Total bytes: 536870872
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Free bytes: 536870872
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Used bytes: 0
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Peak bytes: 0
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Heap base addr: 2214588416
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Heap end addr: 2751459328
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Heartbeat: init...
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Heartbeat: init done
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Kernel initialization complete.
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Boot successful!
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StarForth v4: one host node, the F18-derived engine
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V4: capsule v4:nucleus-64.f18 signature: missing (unsigned)
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PARITY:V4_NUCLEUS name=v4:nucleus-64.f18 capsule_id=0xbcc90cc5a638a299 capsule_hash=0xbcc90cc5a638a299 words=298
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V4: capsule v4:forth79.4th signature: missing (unsigned)
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PARITY:V4_CAPSULE name=v4:forth79.4th capsule_id=0x4055641ee17d176b capsule_hash=0x4055641ee17d176b dict_hash=0x88fb8dcbb051f7b9
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V4: capsule v4:post79.4th signature: missing (unsigned)
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PARITY:V4_POST tests=550 pass=550 fail=0
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PARITY:V4_CAPSULE name=v4:post79.4th capsule_id=0xb987dbb4388990bd capsule_hash=0xb987dbb4388990bd dict_hash=0x843716689a31b60a
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PARITY:OK
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POST: PASSED
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ok> : SQ DUP * ;
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ok
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ok> 7 SQ . 3 4 U* . .
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49 0 12 ok
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ok> COLD
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FORTH-79 Cold Start
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System initialized.
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ok
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ok> 3 4 U* . .
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0 12 ok
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ok> FORGET U*
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Protected word
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ERROR
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ok> 9 KERNEL-WORD ASK9 ASK9
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Argument out of range
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ERROR
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ok> BYE
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BYE: cold restart
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