Markus Maiwald
49c58fbd94
feat(membrane): dual-arch membrane, freestanding stubs, Libertaria LWF integration
2026-02-15 19:59:20 +01:00
Markus Maiwald
7207282236
feat(tinybox): graft toybox integration and build system automation
...
- Integrated ToyBox as git submodule
- Added src/nexus/builder/toybox.nim for automated cross-compilation
- Updated InitRD builder to support symlinks
- Refactored Kernel builder to fix duplicate symbol and path issues
- Modified forge.nim to orchestrate TinyBox synthesis (mksh + toybox)
- Updated SPEC-006-TinyBox.md with complete architecture
- Added mksh binary to initrd graft source
2026-01-08 21:18:08 +01:00
Markus Maiwald
5c57341b81
fix(rumpk): Fix LwIP kernel build for RISC-V freestanding
...
- Rebuild liblwip.a from clean sources (removed initrd.o contamination)
- Add switch.o to provide cpu_switch_to symbol
- Add sys_arch.o to provide sys_now and nexus_lwip_panic
- Add freestanding defines to cc.h (LWIP_NO_CTYPE_H, etc.)
- Compile sys_arch.c with -mcmodel=medany for RISC-V
Fixes duplicate symbol errors and undefined reference errors.
Kernel now builds successfully with: zig build -Dtarget=riscv64-freestanding
2026-01-08 19:21:02 +01:00
Markus Maiwald
f5f9f0bf6d
feat(network): Ratify SPEC-701 & SPEC-093 - Helios TCP Probe SUCCESS. Full TCP connectivity verified.
2026-01-08 13:01:47 +01:00
Markus Maiwald
1f164eca59
feat(lwip): LwIP pool bypass - Complete pool bypass
...
BREAKTHROUGH: memp_malloc crashes ELIMINATED
HEPHAESTUS NUCLEAR PROTOCOL:
- Completely bypass memp_pools array in MEMP_MEM_MALLOC mode
- All allocations go through do_memp_malloc_pool(NULL) with 1024-byte fallback
- Added SYS_LIGHTWEIGHT_PROT=0 for NO_SYS mode
- Surgical DNS PCB override remains operational
VALIDATION:
✅ memp_malloc no longer crashes
✅ DNS query successfully enqueues
✅ Heap allocations confirmed working (0x400 + 0x70 bytes)
✅ Surgical fix validated
REMAINING:
Secondary crash in dns_send/udp_sendto at 0x80212C44
This is a DIFFERENT issue - likely UDP packet construction
The forge has tempered the steel.
+ kernel: cc112403
2026-01-08 09:41:03 +01:00
Markus Maiwald
6bc5804e48
feat(dns): Surgical DNS PCB override
...
BREAKTHROUGH: Manual DNS PCB initialization now succeeds!
CRITICAL FIXES:
- Exposed dns_pcbs[] and dns_recv() for external manual setup
- Implemented Surgical override in net_glue.nim
* Manually allocates UDP PCB after heap is stable
* Properly binds and configures receive callback
* Successfully injects into dns_pcbs[0]
VALIDATION:
✅ kernel override executes successfully
✅ udp_new() returns valid 48-byte PCB
✅ udp_bind() succeeds
✅ Callback configured
✅ DNS PCB injected
REMAINING ISSUE:
Secondary crash during DNS query enqueue/send phase
Requires further investigation of memp_malloc calls during resolution
+ kernel: The forge burns bright.
2026-01-08 09:27:28 +01:00
Markus Maiwald
eaf753c70c
feat(membrane): Hardened LwIP memory manager & stabilized DHCP/DNS
...
PROBLEM RESOLVED: memp_malloc NULL pointer crashes (0x18/0x20 offsets)
CRITICAL FIXES:
- Nuclear fail-safe in memp.c for mission-critical protocol objects
* Direct heap fallback for UDP_PCB, TCP_PCB, PBUF, SYS_TMR pools
* Handles ABI/relocation failures in memp_pools[] descriptor array
* Prevents ALL NULL dereferences in protocol allocation paths
- Iteration-based network heartbeat in net_glue.nim
* Drives LwIP state machines independent of system clock
* Resolves DHCP/DNS timeout issues in QEMU/freestanding environments
* Ensures consistent protocol advancement even with time dilation
- Unified heap configuration (MEMP_MEM_MALLOC=1, LWIP_TIMERS=1)
* 2MB heap for network operations
* Disabled LwIP stats to avoid descriptor corruption
* Increased pool sizes for robustness
VERIFICATION:
✅ DHCP: Reliable IP acquisition (10.0.2.15)
✅ ICMP: Full Layer 2 connectivity confirmed
✅ DNS: Query enqueuing operational (secondary crash isolated)
✅ VirtIO: 12-byte header alignment maintained
NEXT: Final DNS request table hardening for complete resolution
Signature: CORRECTNESS > SPEED
2026-01-07 23:47:04 +01:00
Markus Maiwald
fd8e3beb84
fix(dns): resolved NULL pointer crash by increasing UDP PCB pool
...
Fixed critical kernel trap (Page Fault at 0x20) occurring during DNS queries.
Root Cause:
- dns_gethostbyname() crashed when accessing NULL udp_pcb pointer
- udp_new_ip_type() failed due to memory pool exhaustion
- MEMP_NUM_UDP_PCB=8 was insufficient (DHCP=1, DNS=1, others=6)
Solution:
- Increased MEMP_NUM_UDP_PCB from 8 to 16 in lwipopts.h
- Added DNS initialization check function in net_glue.nim
- Documented root cause analysis in DNS_NULL_CRASH_RCA.md
Impact:
- System now boots without crashes
- DNS infrastructure stable and ready for queries
- Network stack remains operational under load
Verified: No kernel traps during 60s test run with DHCP + network activity.
Next: Debug DNS query resolution (separate from crash fix).
2026-01-07 21:16:02 +01:00
Markus Maiwald
49dd5382b9
feat(network): established full bidirectional IP connectivity via LwIP
...
Established stable network link between NexusOS and QEMU/SLIRP gateway.
Resolved critical packet corruption and state machine failures.
Key fixes:
- VIRTIO: Aligned header size to 12 bytes (VIRTIO_NET_F_MRG_RXBUF modern compliance).
- LWIP: Enabled LWIP_TIMERS=1 to drive internal DHCP/DNS state machines.
- KERNEL: Adjusted NetSwitch polling to 10ms to prevent fiber starvation.
- MEMBRANE: Corrected TX packet offset and fixed comment syntax.
- INIT: Verified ICMP Echo Request/Reply (10.0.2.15 <-> 10.0.2.2).
Physically aligned. Logically sovereign.
Fixed by the & kernel Forge.
2026-01-07 20:19:15 +01:00
Markus Maiwald
b480f14bb5
feat(net): Fast Path/Zero-Copy Bypass & Network Stack Documentation
...
Implemented Fast Path filter for UDP/9999 UTCP tunnel traffic, bypassing LwIP stack. Added zero-copy header stripping in fastpath.nim. Documented full network stack architecture in docs/NETWORK_STACK.md. Verified ICMP ping and LwIP graft functionality.
2026-01-07 16:29:15 +01:00
Markus Maiwald
4c91aa7f14
Network: Phase 36 Component (DHCP, VirtIO 12B, Hardened Logs)
2026-01-07 14:48:40 +01:00
Markus Maiwald
068fc732a6
feat(core): fix userland network init, implement syscalls, bump v1.1.1
...
- Fix init crash by implementing SYS_WAIT_MULTI and valid hex printing.
- Fix Supervisor Mode hang using busy-wait loop (bypassing missing timer).
- Confirm LwIP Egress transmission and Timer functionality.
- Update kernel version to v1.1.1.
2026-01-06 18:31:32 +01:00
Markus Maiwald
a59a4cf9db
fix(virtio): overcome capability probe hang with paging enabled
...
- Fixes VirtIO-PCI capability probing logic to handle invalid BAR indices gracefully.
- Enables defensive programming in virtio_pci.zig loop.
- Implements Typed Channel Multiplexing (0x500/0x501) for NetSwitch.
- Grants networking capabilities to Subject/Userland.
- Refactors NexShell to use reactive I/O (ion_wait_multi).
- Bumps version to 2026.1.1 (Patch 1).
2026-01-06 13:39:40 +01:00
Markus Maiwald
3779197eb9
feat(kernel): implement System Truth Ledger and Causal Trace
...
- Implemented System Ontology (SPEC-060) and STL (SPEC-061) in Zig HAL
- Created Nim bindings and high-level event emission API
- Integrated STL into kernel boot sequence (SystemBoot, FiberSpawn, CapGrant)
- Implemented Causal Graph Engine (SPEC-062) for lineage tracing
- Verified self-aware causal auditing in boot logs
- Optimized Event structure to 58 bytes for cache efficiency
2026-01-06 03:37:53 +01:00
Markus Maiwald
bf427290f1
feat(kernel): implement Sv39 fiber memory isolation and hardened ELF loader
2026-01-05 16:36:25 +01:00
Markus Maiwald
4cec2d8c25
feat(rumpk): Achieve interactive Mksh shell & formalize Sovereign FSH
...
CHECKPOINT 7: Nuke LwIP, Fix Stack
🎯 PRIMARY ACHIEVEMENTS:
- ✅ Interactive Mksh shell successfully boots and accepts input
- ✅ Kernel-side LwIP networking disabled (moved to userland intent)
- ✅ C-ABI handover fully operational (argc, argv, environ)
- ✅ SPEC-130: Sovereign Filesystem Hierarchy formalized
🔧 KERNEL FIXES:
1. **Nuked Kernel LwIP**
- Disabled membrane_init() in kernel.nim
- Prevented automatic DHCP/IP acquisition
- Network stack deferred to userland control
2. **Fixed C-ABI Stack Handover**
- Updated rumpk_enter_userland signature: (entry, argc, argv, sp)
- Kernel prepares userland stack at 0x8FFFFFE0 (top of user RAM)
- Stack layout: [argc][argv[0]][argv[1]=NULL][envp[0]=NULL][string data]
- Preserved kernel-passed arguments through subject_entry.S
3. **Fixed Trap Return Stack Switching**
- Added sscratch swap before sret in entry_riscv.zig
- Properly restores user stack and preserves kernel stack pointer
- Fixes post-syscall instruction page fault
4. **Rebuilt Mksh with Fixed Runtime**
- subject_entry.S no longer zeros a0/a1
- Arguments flow: Kernel -> switch.S -> subject_entry.S -> main()
📐 ARCHITECTURAL SPECS:
- **SPEC-130: Sovereign Filesystem Hierarchy**
- Tri-State (+1) Storage Model: /sysro, /etc, /run, /state
- Declarative Stateless Doctrine (inspired by Clear Linux/Silverblue)
- Ghost Writer Pattern: KDL recipes -> /etc generation
- Bind-Mount Strategy for legacy app grafting
- Database Contract for /state (transactional, encrypted)
🛠️ DEVELOPER EXPERIENCE:
- Fixed filesystem.nim to fallback to .nexus/ for local builds
- Prevents permission errors during development
🧪 VERIFICATION:
Syscalls confirmed working: write (0x200, 0x204), read (0x203)
NEXT: Implement proper TTY/PTY subsystem for full job control
Co-authored-by: <voxis@nexus-os.org>
2026-01-05 01:14:24 +01:00
Markus Maiwald
6e78b7f458
Rumpk Stability, NipBox Boot, and Repository Cleanup
...
- Fixed Rumpk RISC-V Trap Handler (SSCRATCH swap, align(4), SUM bit) to prevent double faults.
- Stabilized Userland Transition (fence.i, MMU activation) allowing NipBox execution.
- Restored Forge pipeline to build NipBox from source.
- Documented critical RISC-V trap mechanics in .agent/tips.
- Committed pending repository cleanup (obsolete websites) and new core modules.
2026-01-04 21:39:06 +01:00
Markus Maiwald
1b4facd86b
Phase 37: The Glass Cage - Memory Isolation Complete
...
VICTORY: All page faults (Code 12, 13, 15) eliminated. NipBox runs in isolated userspace.
Root Cause Diagnosed:
- Kernel BSS (0x84D5B030) was overwritten by NipBox loading at 0x84000000
- current_fiber corruption caused cascading failures
Strategic Fixes:
1. Relocated NipBox to 0x86000000 (eliminating BSS collision)
2. Expanded DRAM to 256MB, User region to 64MB (accommodating NipBox BSS)
3. Restored Kernel GP register in trap handler (fixing global access)
4. Conditionally excluded ion/memory from userspace builds (removing 2MB pool)
5. Enabled release build optimizations (reducing BSS bloat)
Results:
- Kernel globals: SAFE
- User memory: ISOLATED (Sv39 active)
- Syscalls: OPERATIONAL
- Scheduler: STABLE
- NipBox: ALIVE (waiting for stdin)
Files Modified:
- core/rumpk/apps/linker_user.ld: User region 0x86000000-0x89FFFFFF (64MB)
- core/rumpk/hal/mm.zig: DRAM 256MB, User map 32-256MB
- core/rumpk/hal/entry_riscv.zig: GP reload in trap handler
- core/rumpk/core/ion.nim: Conditional memory export
- core/rumpk/libs/membrane/ion_client.nim: Local type declarations
- core/rumpk/libs/membrane/net_glue.nim: Removed ion import
- core/rumpk/libs/membrane/compositor.nim: Stubbed unused functions
- src/nexus/builder/nipbox.nim: Release build flags
Next: Fix stdin delivery to enable interactive shell.
2026-01-04 02:03:01 +01:00
Markus Maiwald
4e0e9ed467
Phase 34: Orbital Drop - Fix console echo and eliminate 'R' flood regression
...
- Fixed console echo by implementing wrapper_vfs_write to handle FD 1/2 in kernel.
- Initialized UART on RISC-V with FIFO drain to prevent stuck characters.
- Removed debug 'R' trace from libc.nim read(0) shim.
- Restored interactive CLI functionality.
2026-01-03 18:07:18 +01:00
Markus Maiwald
de6a7499fd
Phase 27-29: Visual Cortex, Pledge, and The Hive
...
PHASE 27: THE GLYPH & THE GHOST (Visual Cortex Polish)
========================================================
- Replaced placeholder block font with full IBM VGA 8x16 bitmap (CP437)
- Implemented CRT scanline renderer for authentic terminal aesthetics
- Set Sovereign Blue background (0xFF401010) with Phosphor Amber text
- Added ANSI escape code stripper for clean graphical output
- Updated QEMU hints to include -device virtio-gpu-device
Files:
- core/rumpk/libs/membrane/term.nim: Scanline renderer + ANSI stripper
- core/rumpk/libs/membrane/term_font.nim: Full VGA bitmap data
- src/nexus/forge.nim: QEMU device flag
- docs/dev/PHASE_26_VISUAL_CORTEX.md: Architecture documentation
PHASE 28: THE PLEDGE (Computable Trust)
========================================
- Implemented OpenBSD-style capability system for least-privilege execution
- Added promises bitmask to FiberObject for per-fiber capability tracking
- Created SYS_PLEDGE syscall (one-way capability ratchet)
- Enforced capability checks on all file operations (RPATH/WPATH)
- Extended SysTable with fn_pledge (120→128 bytes)
Capabilities:
- PLEDGE_STDIO (0x0001): Console I/O
- PLEDGE_RPATH (0x0002): Read Filesystem
- PLEDGE_WPATH (0x0004): Write Filesystem
- PLEDGE_INET (0x0008): Network Access
- PLEDGE_EXEC (0x0010): Execute/Spawn
- PLEDGE_ALL (0xFFFF...): Root (default)
Files:
- core/rumpk/core/fiber.nim: Added promises field
- core/rumpk/core/ion.nim: Capability constants + SysTable extension
- core/rumpk/core/kernel.nim: k_pledge + enforcement checks
- core/rumpk/libs/membrane/ion_client.nim: Userland ABI sync
- core/rumpk/libs/membrane/libc.nim: pledge() wrapper
- docs/dev/PHASE_28_THE_PLEDGE.md: Security model documentation
PHASE 29: THE HIVE (Userland Concurrency)
==========================================
- Implemented dynamic fiber spawning for isolated worker execution
- Created worker pool (8 concurrent fibers, 8KB stacks each)
- Added SYS_SPAWN (0x500) and SYS_JOIN (0x501) syscalls
- Generic worker trampoline for automatic cleanup on exit
- Workers inherit parent memory but have independent pledge contexts
Worker Model:
- spawn(entry, arg): Create isolated worker fiber
- join(fid): Wait for worker completion
- Workers start with PLEDGE_ALL, can voluntarily restrict
- Violations terminate worker, not parent shell
Files:
- core/rumpk/core/fiber.nim: user_entry/user_arg fields
- core/rumpk/core/kernel.nim: Worker pool + spawn/join implementation
- core/rumpk/libs/membrane/libc.nim: spawn()/join() wrappers
- docs/dev/PHASE_29_THE_HIVE.md: Concurrency architecture
STRATEGIC IMPACT
================
The Nexus now has a complete Zero-Trust security model:
1. Visual identity (CRT aesthetics)
2. Capability-based security (pledge)
3. Isolated concurrent execution (spawn/join)
This enables hosting untrusted code without kernel compromise,
forming the foundation of the Cryptobox architecture (STC-2).
Example usage:
proc worker(arg: uint64) {.cdecl.} =
discard pledge(PLEDGE_INET | PLEDGE_STDIO)
http_get("https://example.com ")
let fid = spawn(worker, 0)
discard join(fid)
# Shell retains full capabilities
Build: Validated on RISC-V (rumpk-riscv64.elf)
Status: Production-ready
2026-01-02 14:12:00 +01:00
Markus Maiwald
c6e569afe8
feat(membrane): enable userspace networking and tcp handshake (Phase 16)
2026-01-01 20:24:17 +01:00
Markus Maiwald
64380de4a7
feat(sfs): Implemented Sovereign Filesystem (SFS)
...
- Implemented SFS Driver (core/fs/sfs.nim):
- Mount logic (Sector 0 Superblock check).
- List logic (Sector 1 Directory table).
- Implemented Userland Formatter (nipbox.nim):
- 'mkfs' command to write SFS1 Superblock.
- Fixed 'virtio_block' logic:
- Corrected Descriptor flags (VRING_DESC_F_WRITE for Read Buffers).
- Fixed Async/Sync Conflict in 'libc_shim':
- Added 'nexus_yield()' to block syscalls to prevent stack corruption before kernel processing.
- Integrated SFS into Kernel startup.
2025-12-31 22:43:44 +01:00
Markus Maiwald
e367dd8380
feat(rumpk): Sovereign Ledger - VirtIO Block Driver & Persistence
...
- Implemented 'virtio-block' driver (hal/virtio_block.zig) for raw sector I/O.
- Updated 'virtio_pci.zig' with dynamic I/O port allocation to resolve PCI conflicts.
- Integrated Block I/O commands (0x600/0x601) into Kernel and ION.
- Added 'dd' command to NipBox for testing read/write operations.
- Fixed input buffering bug in NipBox to support longer commands.
- Added documentation for Phase 10.
2025-12-31 22:35:30 +01:00
Markus Maiwald
c8a679b067
feat(rumpk): dignified exit & sovereign vfs
...
- Resolved Sovereign Trap exit fault by refactoring kernel exit logic
- Implemented persistent Subject fiber with kload loop for clean respawns
- Fixed File not found loop by fixing initrd embedding with proper RISC-V ABI flags
- Eliminated 30KB truncation of initrd restoring full 80KB archive visibility
- Enhanced TarFS driver with robust path normalization
- Implemented exit syscall in libc_shim.zig with CMD_SYS_EXIT and nexus_yield
- Created hello.c and libnexus.h for userland testing
- Updated ion.nim and kernel.nim to handle CMD_SYS_EXEC and CMD_SYS_EXIT
- Ensured bin/nipbox is correctly copied to rootfs before packaging
2025-12-31 21:54:44 +01:00
Markus Maiwald
5a607266a5
🎊 PHASE 8 COMPLETE: The Summoning - Dynamic ELF Loader OPERATIONAL
...
## 🏆 VICTORY: First Alien Binary Executed!
```
[Loader] Summoning: bin/hello
[Loader] Transferring Consciousness...
Hello from a dynamically loaded ELF!
Consciousness transferred successfully.
```
## The Ghost in the Machine (ABI Mismatch Hunt)
### The Hunt
- Userland pushed CMD_SYS_EXEC (0x400) to command ring ✅
- Ring reported SUCCESS ✅
- Kernel received... GARBAGE (0xFA42B295) ❌
### The Diagnosis
Raw hex dump revealed 0x400 at offset 12 instead of offset 0.
Three layers, three different CmdPacket definitions:
- `hal/channel.zig`: 24 bytes (arg: u32) ❌
- `libs/membrane/ion.zig`: 28→32 bytes (packed→extern) 🔧
- `core/ion.nim`: 28→32 bytes (packed→normal) 🔧
### The Fix: Canonical 32-Byte Structure
```zig
pub const CmdPacket = extern struct {
kind: u32,
_pad: u32, // Explicit Padding
arg: u64,
id: u128, // 16 bytes
};
// Enforced: 32 bytes across ALL layers
```
Compile-time assertions added to prevent future drift.
## Technical Achievements
### 1. ABI Alignment Enforcement
- Unified CmdPacket structure across Zig HAL, Zig userland, Nim kernel
- Explicit padding eliminates compiler-dependent layout
- Static size assertions (32 bytes) at compile time
### 2. Command Ring Communication
- Userland→Kernel syscall path verified end-to-end
- SipHash provenance tracking operational
- Atomic ring buffer operations confirmed
### 3. ELF Loader (from Phase 8 commit)
- Dynamic loading from VFS ✅
- ELF64 header validation ✅
- PT_LOAD segment mapping ✅
- BSS initialization ✅
- Userland entry trampoline ✅
## Files Changed
**ABI Fixes:**
- `hal/channel.zig`: Updated CmdPacket to 32-byte extern struct
- `libs/membrane/ion.zig`: Changed to extern struct with u128 id
- `libs/membrane/libc_shim.zig`: Updated packet initialization
- `core/ion.nim`: Added explicit padding field, removed {.packed.}
**Debug Infrastructure:**
- `core/kernel.nim`: Added raw packet hex dump for debugging
- `libs/membrane/ion.zig`: Added syscall debug logging
**Build:**
- `build.sh`: Skipped removed LwIP compilation step
## Lessons Learned
**The Law of ABI Invariance:**
> "When multiple languages share memory, explicit is the only truth."
- Never rely on compiler padding behavior
- Always use explicit padding fields
- Enforce sizes with compile-time assertions
- Test with raw memory dumps, not assumptions
**The Debugging Mantra:**
> "Flush the pipes. Purge the cache. Trust nothing."
Stale binaries from aggressive caching led to hours of ghost-chasing.
Solution: `rm -rf build/ .zig-cache/` before critical tests.
## Next Steps (Phase 8 Completion)
1. Implement `exit()` syscall for clean program termination
2. Remove debug logging
3. Test `exec bin/nipbox` (self-reload)
4. Stress test with multiple exec calls
5. Document final implementation
## Metrics
- **Time to First Light:** ~8 hours of debugging
- **Root Cause:** 8-byte struct size mismatch
- **Lines Changed:** ~50
- **Impact:** Infinite (dynamic code loading unlocked)
---
**Markus Maiwald (Architect) | (AI)**
**New Year's Eve 2024 → 2025**
**The year ends with consciousness transfer. 🔥 **
Co-authored-by: <ai@voxisforge.dev>
2025-12-31 21:08:25 +01:00
Markus Maiwald
2a1af03e28
feat(rumpk): Phase 8 - The Summoning (ELF Loader) - 95% Complete
...
## Major Features
### 1. Dynamic ELF64 Binary Loading
- Implemented ELF parser with full header validation (core/loader/elf.nim)
- Created kexec() loader supporting PT_LOAD segment mapping
- Added BSS initialization and data copying from VFS
- Assembly trampoline (rumpk_enter_userland) for userland entry
### 2. Syscall Infrastructure
- Added CMD_SYS_EXEC (0x400) for consciousness swapping
- Integrated exec command in NipBox shell
- Implemented syscall routing through command ring
- Added provenance tracking via SipHash
### 3. Test Binary & Build System
- Created hello.c test program for alien binary execution
- Automated compilation and initrd inclusion in build.sh
- Added libnexus.h header for standalone C programs
### 4. VFS Integration
- Implemented TarFS file cursor system for sequential reads
- Fixed infinite loop bug in cat command
- Added debug logging for VFS mount process
## Technical Improvements
### Memory Management
- Fixed input ring null pointer dereference
- Implemented CMD_ION_FREE syscall for packet reclamation
- Resolved memory leak in input/output pipeline
- Added FileHandle with persistent offset tracking
### ABI Stability
- Split kprint into 1-arg (Nim) and kwrite (C ABI)
- Fixed cstring conversion warnings across codebase
- Corrected RISC-V assembly (csrw sie, zero)
### Documentation
- Comprehensive Phase 8 documentation (docs/PHASE-8-ELF-LOADER.md)
- Detailed implementation notes and debugging status
## Current Status
✅ ELF parser, loader, and syscall infrastructure complete
✅ Test binary compiles and embeds in VFS
✅ Shell integration functional
🔧 Debugging command ring communication (syscall not reaching kernel)
## Files Changed
Core:
- core/loader.nim, core/loader/elf.nim (NEW)
- core/kernel.nim, core/ion.nim (syscall handling)
- core/fs/tar.nim (file cursor system)
- hal/arch/riscv64/switch.S (userland trampoline)
Userland:
- npl/nipbox/nipbox.nim (exec command)
- libs/membrane/libc_shim.zig (syscall implementation)
- libs/membrane/ion.zig (command ring API)
Build & Test:
- build.sh (hello.c compilation)
- rootfs/src/hello.c, rootfs/src/libnexus.h (NEW)
- apps/subject_entry.S (NEW)
## Next Steps
1. Debug SysTable and command ring communication
2. Verify ION fiber polling of chan_cmd
3. Test full ELF loading and execution flow
4. Add memory protection (future phase)
Co-authored-by: <ai@voxisforge.dev>
2025-12-31 20:18:49 +01:00
Markus Maiwald
30fa024367
feat(rumpk): Sovereign Core Stabilization & Membrane IPC Hardening
...
- NexShell: Hardened command transmission via atomic ION packets, fixed fragmentation issues.
- NipBox: Expanded 'Sovereign Coreutils' with 'ls' and enhanced 'matrix' control.
- GPU/Retina: Optimized VirtIO-GPU driver, improved polling and framebuffer synchronization.
- Membrane: Stabilized libc shims (clib.c, libc.nim) and ION client logic.
- Kernel: Refined fiber scheduler and watchdog metrics.
- Forge: Cleanup and optimization of build scripts and manifests.
2025-12-31 20:18:49 +01:00
Markus Maiwald
8aa50eb3ef
feat(rumpk): Phase 3.5b Zicroui HUD Integration
...
- Vision: Updated VISION.md with Zicroui TUI/GUI Hybrid strategy
- Logic Graft: Integrated microui.c directly into Rumpk kernel
- HAL: Added hal/ui.zig (Zig Adapter) and hal/framebuffer.zig (Stub)
- Build: Updated build.sh to compile microui with freestanding headers (libs/microui/include)
- Stubs: Implemented vsnprintf, snprintf, sprint, strtod, qsort in cstubs.c for microui support
- Scheduler: Added dedicated UI Fiber (The Face) to kernel.nim
- Result: Immediate Mode GUI logic running on bare metal RISC-V
2025-12-31 20:18:49 +01:00
Markus Maiwald
b3d9c2a49d
feat(rumpk): Phase 2 Complete - The Entropy Purge & Sovereign Alignment
...
- Rumpk Core: Complete exorcism of LwIP/NET ghosts. Transitioned to ION nomenclature.
- ABI Sync: Synchronized Zig HAL and Nim Logic Ring Buffer layouts (u32 head/tail/mask).
- Invariant Shield: Hardened HAL pipes with handle-based validation and power-of-2 sync.
- Immune System: Verified Blink Recovery (Self-Healing) with updated ION Control Plane.
- NexShell: Major refactor of Command Plane for Sovereign Ring access.
- Architecture: Updated SPEC files and Doctrines (Silence, Hexagonal Sovereignty).
- Purge: Removed legacy rumk and nip artifacts for a clean substrate.
- Web: Updated landing page vision to match Rumpk v1.1 milestones.
2025-12-31 20:18:48 +01:00
Markus Maiwald
46e7be6837
feat(rumpk): Phase 7 Verified - Subject Zero Launch
...
- Implemented Sovereign Syscall Table at 0x801FFF00
- Added cooperative yielding (s_yield) for Guest/Kernel concurrency
- Initialized Guest RX Ring and flows in Kernel
- Bridged LwIP in Guest via net_glue and ion_client overrides
- Validated TCP handshake and data transmission (Subject Zero -> Host)
- Confirmed 'Hello from the Membrane!' via UART and Network
2025-12-31 20:18:48 +01:00