Fábio Coutada
9540b0528c
Phase B (Core Device Support) — all drivers verified in QEMU: - Network: virtio-net cleanup, RTL8139, E1000, clause-22 MDIO PHY management, CAN bus, industrial protocols (Modbus/Profibus/EtherCAT), controller probe+dispatch - Block storage: RAM disk backend (write->read->verify PASSED), virtio-blk transport, backend dispatch, real MBR+GPT partition parsers, SD/eMMC command framework - GPIO: PL061 (verified), I2C: DesignWare (verified), SPI: PL022 (verified) Phase C (Advanced Features): - PCI: FULL PikeOS ARMv7 replica — transport-agnostic uos_pci_ops, config-address encoding, BAR sizing, capability walk, enumeration+bridge recursion, MSI/MSI-X - USB: PikeOS-style layered stack — usb.h contract, usb_core.cpp (enumeration state machine), usb_ehci.cpp (EHCI transport) - Display: FULL 1:1 PikeOS fbcon replica + copied font_8x16 Build foundation fixes: - Freestanding aeabi_runtime.cpp (__aeabi_uidiv/__aeabi_uldivmod) - PikeOS-style flat 4GB MMU section map + proper enable (unblocked device MMIO) - guest.h MAX_GUEST_IMAGE_SIZE 256MB->16MB (BSS was 259MB) - C/C++ linkage fixes, duplicate-virtio_net_init, MMIO access-size handling Phase D (PikeOS ARMv7 Microkernel Port): - D-1: Per-VM address spaces — cloned pgdirs, ASID-tagged TLB, 4K page walker, isolation PASSED (two guests, same VA->different PAs), guest fault recovery - D-2: IRQ dispatch backbone — 1024-slot dispatch table, real GICv2 hardware (GICD_CTLR/GICC_CTLR/GICC_PMR/GICC_IAR/GICC_EOIR), arm_irq_handler wired - D-3: Time subsystem — CNTVCT ns-since-boot, CNTP periodic ticker via D-2 - D-4: KDEV framework — linker-section driver registration, uos_kdev_init_all, name lookup - D-5: VFP/NEON — lazy enable (undef trap->CPACR+FPEXC.EN), FPEXC=0x40000000 - D-6: SMP — per-CPU state, MPIDR, IPI/SGI framework (reschedule+TLB flush) All uos_ naming (PikeOS p4_ convention adapted). Compiles -Werror freestanding C++17. Co-Authored-By: Claude <noreply@anthropic.com> |
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|---|---|---|
| .aurelio | ||
| .claude | ||
| docs | ||
| docs-extracted | ||
| kernel | ||
| src | ||
| tools | ||
| xsd/src | ||
| .gitignore | ||
| AGENTS.md | ||
| AURELIO_INTEGRATION.md | ||
| AUTOSAR_CPP.md | ||
| BLOCK_DRIVER_IMPLEMENTATION.md | ||
| BUILD_ENVIRONMENT.md | ||
| COMPONENTS.md | ||
| HYPERVISOR.md | ||
| IMPORT_GUIDE.md | ||
| IMPORT_SUMMARY.md | ||
| LICENSE | ||
| README.md | ||
| UNIVERSALISOS_PIKEOS_ANALYSIS.md | ||
| UNIVERSALISOS_VS_PIKEOS_5.0.md | ||
| XSD_WORKFLOW_ANALYSIS.md | ||
Universalisos - Type-1 Hypervisor Foundation
Universalisos is our safety-critical type-1 hypervisor foundation for cyber-physical systems, created from zero based on PikeOS architecture. This project imports the complete PikeOS ecosystem to serve as the reference architecture and codebase for Aurelio cyber-physical brain development.
🎯 CURRENT STATUS: Complete PikeOS 5.0 Parity Strategy ✨
Strategic Objective: 100% PikeOS 5.0 Functional Parity 🎯
Universalisos has completed Stage 1-5 of the type-1 hypervisor implementation, providing:
- ✅ Exception handling and system calls (Stage 2)
- ✅ Priority-based scheduler framework (Stage 2)
- ✅ Memory management with ARMv7 MMU (Stage 3)
- ✅ VM context switching (Stage 3)
- ✅ Device virtualization framework (Stage 4)
- ✅ ARMv7 GIC interrupt controller (Stage 4)
- ✅ Guest OS boot framework (Stage 5)
- ✅ I/O virtualization (Stage 5)
Current Implementation: 15-20% of PikeOS 5.0 (framework foundations) Target: 100% PikeOS 5.0 functional parity within 15 months via Paths A+B+C parallel execution 🚀
📊 CRITICAL REFERENCE DOCUMENTS
🌟 UNIVERSALISOS_VS_PIKEOS_5.0.md - PRIMARY ROADMAP & COMPARISON
- Comprehensive feature analysis across 11 major categories
- Detailed implementation percentages and completion estimates
- 6-36 month roadmap for reaching 40%, 60%, 80%, 90%+ PikeOS compatibility
- Architecture alignment assessment (85% PikeOS pattern compliance)
- Strategic recommendations for maximizing ROI
- Production deployment guidance for cyber-physical systems
This document is ESSENTIAL for:
- All architectural decisions and implementation priorities
- Feature completeness assessment and gap analysis
- Roadmap planning and milestone tracking
- Integration strategy with PikeOS patterns
- Development team coordination and progress tracking
Other Key Documentation:
- HYPERVISOR.md - Type-1 hypervisor design specifications
- AGENTS.md - Agent integration and development coordination
- COMPONENTS.md - Component categorization and architecture
- BUILD_ENVIRONMENT.md - Development environment setup
Strategic Objectives
- Type-1 Hypervisor: Safety-critical embedded systems foundation
- AUTOSAR C++ Compliance: MISRA C++, MISRA C, DAL-B, DAL-A (avionics), ISO26262
- Aurelio Integration: PikeOS codegen workflow → Aurelio implementation patterns
- IP-XACT Architecture: Agent components as IP Cores with standard interfaces
- Airship Control Foundation: Type-1 hypervisor for cyber-physical simulation control
Repository Structure
universalisos/
├── kernel/ # Universalisos type-1 hypervisor implementation (C++)
├── src/ # PikeOS source code import
├── test/ # PikeOS test framework source code
├── docs/ # Complete PDF documentation
├── ide/ # Eclipse-based IDE source code (XSD → C generation)
├── xsd/ # XSD schema files for C/C++ code generation
├── UNIVERSALISOS_VS_PIKEOS_5.0.md # **PRIMARY ROADMAP DOCUMENT** ⭐
├── AGENTS.md # Agent integration and development coordination
└── README.md # This file
Project Status
Current Phase: Complete PikeOS 5.0 Parity Strategy — Parallel Paths A+B+C Execution
The PikeOS 5.0 ecosystem import is complete. Universalisos has implemented a comprehensive hypervisor foundation through 5 development stages, establishing framework patterns that follow PikeOS architecture. The project now aims for complete PikeOS 5.0 functional parity through an ambitious parallel development strategy.
Development Strategy: Paths A+B+C in Parallel (15 months)
- Path A (Complete PikeOS Core): 12-15 months, 100% PikeOS core functionality
- Path B (Advanced Virtualization): Integrated into Path A for complete parity
- Path C (Aurelio Integration): 6-9 months, agent acceleration across all components
Implementation Progress: See UNIVERSALISOS_VS_PIKEOS_5.0.md for detailed comparison analysis and roadmap planning.
Development Environment Setup
See BUILD_ENVIRONMENT.md for detailed setup instructions.
Required Toolchains:
- GCC cross-compilers (ARM, target architectures)
- CMake and Ninja build systems
- AUTOSAR build tools and code generation utilities
- XSD processing tools and validators
- Eclipse IDE for XSD workflow analysis
Documentation
📋 Core Documentation
-
UNIVERSALISOS_VS_PIKEOS_5.0.md ⭐ PRIMARY ROADMAP
- Comprehensive feature comparison and implementation analysis
- Detailed roadmap for reaching 40%, 60%, 80%, 90%+ PikeOS compatibility
- Architecture alignment assessment and strategic recommendations
-
HYPERVISOR.md - Type-1 hypervisor design specifications
-
AGENTS.md - Agent integration and development coordination
-
COMPONENTS.md - Component categorization and architecture
-
BUILD_ENVIRONMENT.md - Development environment setup and build process
-
kernel/README.md - Kernel build/run guide
-
docs-extracted/index.md - Extracted PikeOS PDF manuals (markdown)
-
AURELIO_INTEGRATION.md - PikeOS → Aurelio integration plan
-
XSD_WORKFLOW_ANALYSIS.md - XSD → C code generation workflow
-
AUTOSAR_CPP.md - Safety-critical compliance analysis
Hypervisor Kernel (C++)
The kernel/ directory contains the actual Universalisos type-1 hypervisor
implementation, written in C++. The kernel has completed 5 development stages:
cd kernel
make
make run
See kernel/README.md for details.
Source Material
Source Location: Nextcloud cloud.portugalfuturista.org/s/devmm-arch
Contents:
- PikeOS source code
- Test frameworks
- PDF documentation
- Eclipse IDE source code (XSD → C generation)
- XSD schema files
Safety-Critical Standards
Universalisos follows strict safety-critical coding standards:
- AUTOSAR C++: Automotive software architecture compliance
- MISRA C++: Motor Industry Software Reliability Association guidelines
- MISRA C: C programming compliance
- DAL-B: Design Assurance Level B (avionics systems)
- DAL-A: Design Assurance Level A (critical avionics systems)
- ISO26262: Functional safety for road vehicles
License
MIT License - See LICENSE file for details
Integration with Ecosystem
Universalisos integrates with:
- nervura-electrica: Infrastructure platform and hosting
- replica-omnisciente: Agent orchestration and mega-brain foundation
- Aurelio: Compiler, gateway, and cyber-physical brain platform
Note: This repository is actively being populated with PikeOS ecosystem content. Documentation and implementation details are being added incrementally during the import process.
Implementation Status: Stage 5 Complete (15-20% of PikeOS 5.0 functionality) Next Phase: Complete PikeOS 5.0 Parity via Parallel Execution (15 months) Strategic Value: Framework foundations provide 85% PikeOS architecture alignment; agent acceleration enables 40-50% faster development for complete parity.
Timeline Summary:
- Month 1-6: Core foundations + Agent framework + XSD processing pipeline
- Month 7-12: Complete core functionality + Advanced features + Agent acceleration
- Month 13-15: Complete API parity + Tooling integration + Certification preparation
Agent Acceleration Impact: 40-50% faster development across all PikeOS component categories through automated testing, validation, and XSD code generation.