Chapter 9: Memory-Safe Rust Microkernel

Core Microkernel Architecture:

pub struct NONOSMicrokernel {
    memory_manager: UltraSecureMemoryManager,
    scheduler: CapabilityAwareScheduler,
    ipc_manager: SecureIPCManager,
    hardware_abstraction: HardwareAbstractionLayer,
    security_engine: AdvancedSecurityEngine,
    formal_verifier: KernelFormalVerifier,
}

impl NONOSMicrokernel {
    pub fn execute_verified_syscall(
        &mut self,
        syscall: &SystemCall,
        caller_context: &ProcessContext,
        capability_proof: &CapabilityProof,
    ) -> Result<SystemCallResult, SystemCallError> {
        // Verify caller capabilities
        let capability_verification = self.security_engine
            .verify_syscall_capabilities(syscall, caller_context, capability_proof)?;
        
        // Formal verification of syscall safety
        let safety_proof = self.formal_verifier
            .verify_syscall_safety(syscall, caller_context)?;
        
        // Execute with atomic guarantees
        match syscall {
            SystemCall::MemoryAllocate { size, alignment, flags } => {
                self.handle_memory_allocate_syscall(
                    *size, *alignment, *flags, caller_context, &capability_verification
                )
            },
            SystemCall::ProcessCreate { binary_hash, capabilities } => {
                self.handle_process_create_syscall(
                    binary_hash, capabilities, caller_context, &capability_verification
                )
            },
            SystemCall::IPCMessage { target, message, security_level } => {
                self.handle_ipc_message_syscall(
                    *target, message, *security_level, caller_context, &capability_verification
                )
            },
            _ => self.handle_generic_syscall(syscall, caller_context, &capability_verification),
        }
    }
}