rumpk

Commit Graph

Author	SHA1	Message	Date
Markus Maiwald	18ce029070	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 Forge <voxis@nexus-os.org>	2026-01-05 01:14:24 +01:00
Markus Maiwald	f2be3d08ac	Voxis Forge: 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	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

Author

SHA1

Message

Date

Markus Maiwald

18ce029070

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 Forge <voxis@nexus-os.org>

2026-01-05 01:14:24 +01:00

Markus Maiwald

f2be3d08ac

Voxis Forge: 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

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

3 Commits