Markus Maiwald
f9aa11995c
feat(membrane): Hardened LwIP memory manager & stabilized DHCP/DNS
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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
Voxis Forge Signature: CORRECTNESS > SPEED
2026-01-07 23:47:04 +01:00
Markus Maiwald
de971b465e
Network: Phase 36 Component (DHCP, VirtIO 12B, Hardened Logs)
2026-01-07 14:48:40 +01:00
Markus Maiwald
f2be3d08ac
Voxis Forge: Rumpk Stability, NipBox Boot, and Repository Cleanup
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- 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
c59c81808a
Phase 37: The Glass Cage - Memory Isolation Complete
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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
b3d9c2a49d
feat(rumpk): Phase 2 Complete - The Entropy Purge & Sovereign Alignment
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- 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