MICROKERNEL // OSKERN.AI

AArch64 TARGET_ARCH

SMP MULTI_CORE

12KB KERNEL_SIZE

MODULES TIMELINE DOCS SOURCE

// SYSTEM_ARCH_V1

KERNEL_BLUEPRINT

LAYER 1 - USER APPLICATIONS

Shell/SystemUI

graphics_2d library

libgraphics

Shared libsystem

font_8x8 renderer

Status Bar, Navigation

libgraphics

AI Orb Animation

User Applications

App 1

App 2

App 3

LAYER 2 - SYSTEM SERVICES

DevMgr

display_mgr (ramfb driver)

fw_cfg interface

device_tree parser

framebuffer management

service.c (IPC endpoint)

FsMgr

fsmgr_s structure

session_mgr (per-process)

fd_table (file descriptors)

VFS layer with vfs_ops

vfs_file_s structure

rootfs (CPIO parser)

NetMgr

Idle per-CPU idle threads

LAYER 3 - SYSTEMD

ProcMgr

process_s structure

thread_s structure

ELF loader (elf_parse)

process lifecycle

vspace management

MemMgr

memory_manager_s

page allocation

shared_memory_s (SHM)

physical memory tracking

IpcMgr

ipc_endpoint_s mgmt

service registration

endpoint ref tracking

Upcall Handler

upcall_endpoint_s

page fault handling

exception forwarding

Ramdisk

CPIO archive parser

binary loading

LAYER 4 - MICROKERNEL

A. Capability System

cap_cnode.c

cap_vspace.c

cap_scontext.c

cap_xcontext.c

cap_ipc_endpoint.c

capability_ref_t

B. IPC Subsystem

ipc_call_with_args()

ipc_reply_with_val()

caller blocking

context switching on IPC

C. Scheduler

scheduler_manager_s

local_scheduler_s

schedule_context_s

FIFO ready queue

thread affinity

D. Memory Mgmt

address_space_s

page_allocator_s

sparse memory model

page_struct_tbl

bootmm (early alloc)

E. Interrupt Mgmt

int_mgr_s (global)

local_int_mgr_s

irq_device_s (GIC)

timer_mgr_s

F. Syscall Interface

syscall_process()

cap_call_dispatch()

fast_call_dispatch()

LAYER 5 - HARDWARE ABSTRACTION LAYER

hal_cpu
priv level, barrier

hal_context
reg save/restore

hal_interrupt
enable/disable IRQ

hal_exception
exception vectors

hal_mmu
page table ops

hal_atomic
atomic ops

LAYER 6 - HARDWARE DRIVERS

arch-gic

arm-timer

arm-uart

arm-dma

virtio-mmio

LAYER 7 - PHYSICAL HARDWARE

Cortex-A53 (ARMv8)

GIC-400 IntCtl

DRAM (Unknown Size)

MMU (System)

// PERF_METRICS

SYSTEM_TELEMETRY

BOOT_TIME 142ms

CTX_SWITCH <2µs

IPC_THROUGHPUT 4.2M/s

BINARY_SIZE 12KB

// DEVELOPMENT_LOG

EXECUTION_PLAN

PHASE_1: KERNEL_CORE

MMU & Virtual Memory Setup
IRQ Handling & Context Switching
Capability System Implementation

PHASE_2: SYSTEM_SERVICES

Process Manager Service
Memory Manager Service
IPC Optimization

PHASE_3: USERSPACE

File System (VFS) & Drivers
Network Stack Implementation
A2UI Surface Flinger

SYSTEM_LOG [REC]

09:01:22.450 [KRN] SCHED: Load balancing... 09:01:22.455 [KRN] MEM: Page fault mapped @0x4000 09:01:23.100 [SYS] IPC: msg sent (pid:12 -> pid:4) 09:01:23.102 [SOC] NET: Packet received (len:64) 09:01:24.001 [USR] SHELL: Command dispatch 'ls' 09:01:24.005 [FS] VFS: Directory lookup '/bin' 09:01:24.010 [SYS] PROC: New process spawned (pid:33) 09:01:25.200 [KRN] IRQ: GICv3 interrupt #27 09:01:25.205 [DRV] UART: Buffer flush _