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Author SHA1 Message Date
t3hn3rd c2aaf1a5c9 fix: minor cleanup after namespace refactor
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- Shorten 'driver.video.windows: ' label to 'Windows: ' in uidebug
- Shorten e1000 terminal command name from 'driver.net.dev.e1000' to 'E1000'
- Auto-generated version bump (build artifact)

3 files changed, 7 insertions(+), 7 deletions(-)
2026-03-08 12:07:35 +00:00
t3hn3rd 021aa0d82e refactor: namespace cleanup pass 2
continuous-integration/drone/push Build is passing
- Rename driver.intf.serial -> driver.io.serial (intf/ -> io/)
- Move net protocols to driver.net.proto.* (net/ -> net/proto/)
  - arp, dhcp, eth2, icmp, ipv4, tcp, udp
- Move netdev to driver.net.dev.* (netdev/ -> net/dev/)
  - e1000
- Move driver.net.pas into driver/net/
- Move driver.video.pas into driver/video/
- Rename arch.x86.faults -> arch.x86.fault, move to fault/ dir
- Move driver.storage.ctl.ahci.pas into ctl/ahci/
- Move driver.storage.ctl.ide.pas into ctl/ide/
- Move linker.script and version to toolchain/
- Update all unit references and namespace doc

35 files changed, 237 insertions(+), 234 deletions(-)
2026-03-08 10:00:41 +00:00
t3hn3rd 6fa008ed79 refactor: namespace restructure of entire codebase
continuous-integration/drone/push Build is passing
Reorganize all source files into a hierarchical namespace structure
with dot-separated unit names matching directory paths.

Major changes:
- src/prog/ -> src/app/ (app.*.pas)
- src/fault/ -> src/arch/x86/fault/ (arch.x86.fault.*.pas)
- src/isr/ -> src/arch/x86/isr/ (arch.x86.isr.*.pas)
- src/include/ -> src/core/ (core.*.pas) + src/arch/x86/
- src/driver/ subtree reorganized with driver.* namespace prefixes
- src/driver/storage/con/ -> src/driver/storage/ctl/ (Windows reserved name fix)
- src/driver/storage/ split into con(ctl)/fs/vol/ subdirectories
- src/driver/net/ flattened from l1-l5 layers to driver.net.*.pas
- kernel.pas -> asuro.pas, faults.pas -> arch.x86.faults.pas
- stdio.pas/syslog.pas -> io/io.stdio.pas, io/io.syslog.pas
- processmanager.pas -> proc/proc.mgr.pas
- lmemorymanager.pas -> memory/memory.heap.pas
- Build scripts moved to toolchain/
- Added compat/ shims for lmemorymanager and types
- Added doc/namespace.md tracking the refactor

197 files changed, 6292 insertions(+), 5526 deletions(-)
2026-03-08 01:28:31 +00:00
admin e922f086c2 Merge pull request 'WASM Execution Pipeline, File Dispatch & Supporting Infrastructure' (#52) from feature/wasm into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #52
Reviewed-by: Aaron Hance <[email protected]>
2026-03-07 22:29:29 +00:00
admin 605ec9d817 Merge pull request 'Standalone SHA-1 hashing implementation' (#51) from feature/sha1 into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #51
Reviewed-by: Aaron Hance <[email protected]>
2026-03-07 22:12:38 +00:00
t3hn3rd 1ae867d929 fix: adapt subsystems to new VFS volume API and fix desktop program registry
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- ramdrive: rewrite from registerDrive callbacks to TFilesystem/TStorage_Volume
  hooks (rd_Read, rd_ReadDir, rd_ReadOffset, rd_Identify) and mount via
  vfs.mountVolume('/disk/ram', ...). Remove open-slot tracking; VFS now
  manages file handles through the FD table.

- vfs: fix PathValid for otDRIVE nodes — split relative path into parent
  directory + leaf name, list the parent via readDirCallback, and check
  each entry's type so individual files are correctly identified as pvFile
  instead of always returning pvDirectory or pvInvalid.

- desktop: replace static array[0..MAX_PROGRAMS-1] program registry with
  a dynamic PLinkedListBase. Lazy-init on first registerProgram call.
  Remove prog_count := 0 from init so programs registered before
  desktop.init (e.g. notepad, diskutil) are no longer wiped.

- filedispatch, wasmrunner: add storagetypes to uses, remove stale Lock
  parameter from vfs.OpenFile calls.

- progmanager: clean up duplicate uses clauses and remove invalid
  kernel.bsod registration.
2026-03-07 22:12:18 +00:00
t3hn3rd 40a1c05728 Fix: missing imports in wasmio.pas 2026-03-07 21:26:26 +00:00
t3hn3rd 2bfbb44cfb feature: WASM execution pipeline, file dispatch, RAM drive, and VFS handle table
- Add file-type dispatch registry (filedispatch.pas) matching files by
  magic header bytes and routing to registered handlers
- Add WASM integration layer: wasmshim, wasmio, wasmrunner, wasmcleanup
  providing full WASI Preview1 bridging (fd_write/read, proc_exit,
  clock, random, args passthrough, environ stubs)
- Add RAM drive (ramdrive.pas) providing in-memory VFS at /disk/ram
  with a built-in hello world WASM binary
- (Placeholder) Implement VFS handle table for proper
  open/read/write/close/filesize routing through registered drives
  and devices
- Integrate file dispatch into vterminal for unknown commands, supporting
  both foreground and background execution of dispatched files
- Expand progmanager init with PS, KILL, TERMINATE, DEV, DISK, MEMRAW,
  BSOD, IFCONFIG, ARP, and TCP commands; wire up ramdrive, filedispatch,
  and wasmrunner initialization
- Replace serial.sendString with syslog.logln in desktop launcher
2026-03-07 21:26:25 +00:00
t3hn3rd 8ab2d0d04f fix: drone pipeline not working
- compile_wasuro.sh was copying files to the /code directory which
  is not where drone builds from, fixed to use $(pwd) and relative
  directories based on the root.
2026-03-07 21:24:13 +00:00
t3hn3rd b51881ced7 feat: integrate Wasuro WASM runtime into Asuro build chain
- Add compile_wasuro.sh to sparse-clone Wasuro src/wasm from gitea
  (develop branch) with caching to skip redundant pulls
- Update compile.sh to include wasuro build step in pipeline
- Update compile_sources.sh to dynamically discover -Fu paths via
  find across src/ and wasuro/ directories
- Extend system.pas with FPC 3.2.2 compilerprocs required by Wasuro:
  - 64-bit signed/unsigned div and mod (fpc_div_int64, fpc_mod_int64,
    fpc_div_qword, fpc_mod_qword) with correct i386 parameter mapping
  - 64-bit multiply (fpc_mul_int64) via three 32-bit MUL instructions
  - Float-to-integer intrinsics (Trunc, Round) using x87 FPU
  - Memory allocation compilerprocs (fpc_getmem, fpc_freemem)
    delegating to kernel kalloc/kfree
  - Exception handling stubs (reraise, raiseexception, catches, doneexception)
  - setjmp/longjmp for exception address stack
  - Fix sInt64 type alias (was longint/32-bit, now int64/64-bit)
  - Add serial debug helpers (COM1 $3F8) for bare-metal tracing
- Wire up Wasuro in kernel.pas: init WASM VM, set I/O callback to
  syslog, and run all 1103 Wasuro tests (0 failures)
- Update .gitignore to exclude wasuro/ cache directory
2026-03-07 21:24:12 +00:00
t3hn3rd 0d6f1e006c feature: preemptive process management - implementation progress
Implement a preemptive multitasking system for the Asuro kernel.

Context Switching & Scheduling:
- Custom IRQ0 ISR (contextswitcher.pas) with PUSHAD/POPAD ESP-swap
- Round-robin scheduler with priority-based quantum
- Process table using DList of PProcessContext pointers
- Idle process (PID 0) replaces kernel HLT loop

Process Lifecycle:
- create/kill/terminate/sendMessage API (processmanager.pas)
- Process states: Created, Running, Ready, Suspended, Awaiting,
  Finished, Error
- Parent-child tracking (ParentID, smChildExited notification on reap)
- proc_yield, proc_sleep_ms, proc_await, proc_suspend, proc_exit

Resource Binding & Cleanup:
- Per-process resource list
  (bindResource/unbindResource/unbindAllResources)
- TCP sockets auto-bound to owning process (OwnerPID on TTCPSocket)
- socket_cleanup + auto-unbind in DestroySocket

VTerminal Refactor:
- Multi-instance design (heap-allocated TVTermState per terminal)
- Foreground process with incremental stdout/stderr drain via LVGL timer
- Ctrl+C kills foreground process (killForeground)
- Per-terminal CWD, dir stack, FS builtins (CD/LS/PUSHD/POPD)
- Background job support (& suffix, JOBS/FG commands)
- Command history (Up/Down arrow)

Command Consolidation:
- 14 commands extracted from 9 units into centralized progmanager.pas
- Command procedures exported in host unit interfaces
- E1000/TRACER/stdio builtins kept in-place (conditional/circular)

New Units:
- src/include/proctypes.pas — process type definitions
- src/processmanager.pas — core process manager
- src/prog/ping.pas — standalone ICMP ping process
- src/prog/testcmd.pas — test command (proc_sleep_ms demo)
- src/testprocs.pas — process subsystem smoke tests

Misc:
- ICMP callbacks gain userData parameter for concurrency-safe ping
- CLI/STI guards on kalloc/kfree (lmemorymanager.pas)
- LV_KEY_CTRLC constant + Ctrl+C interception in LVGL keyboard hook
- Window owner PID tracking (windows.pas)
- ISR_32 gate override support (isrmanager.pas)
2026-03-07 21:21:45 +00:00
t3hn3rd c70c0b52c3 Rebase: Fixed accidentally removed unit tests.
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2026-03-07 21:05:12 +00:00
t3hn3rd 452cc0c8c8 Rebased on develop & remove test code from Kernel main.
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2026-03-07 20:59:42 +00:00
t3hn3rd 3d334b8e8b feature: SHA-1 Hashing
- Add SHA-1 hashing implementation with Init/Update/Final API and inline test in kernel,
  following the same interface as MD5 & the fpc rtl.
2026-03-07 20:58:51 +00:00
t3hn3rd b9643a7b56 feature: SHA-1 Hashing
- Add SHA-1 hashing implementation with Init/Update/Final API and inline test in kernel,
  following the same interface as MD5 & the fpc rtl.
2026-03-07 20:58:22 +00:00
Aaron 6902a406b0 Merge pull request 'GPU Stack, V8086 Monitor & BGA Driver' (#50) from feature/gpu-stack-v8086-bga into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #50
Reviewed-by: Aaron Hance <[email protected]>
2026-03-07 20:56:19 +00:00
t3hn3rd 36ec7bfdb6 refactor: move program registration from kernel to progmanager
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- Remove diskcmd, diskutil, notepad, partcmd, volcmd init calls and
  uses from kernel.pas — these are programs, not kernel subsystems.
- Move their initialization into progmanager.init() alongside the
  other baked-in programs (md5sum, base64_prog, dhclient, etc.).
- Remove diskcmd, diskutil, notepad from kernel's uses clause.
- Add a splash.update() call for the auto-mount volumes step.
- Suppress FPC warnings in compile_sources.sh (-v0e instead of -v0ew).
2026-03-07 20:39:43 +00:00
t3hn3rd 6c3c0e63d5 fix: Rebase borked kernel.pas - added missing deps 2026-03-07 20:31:38 +00:00
t3hn3rd df71c59aea feature: add boot splash screen with embedded TGA logo
- New splash unit (src/prog/splash.pas) displays a centered logo,
  progress bar and status label during kernel boot.  Manually drives
  LVGL rendering + video.Flush since gfxd isn't running yet.
- Embed img/asuro.tga into the kernel via NASM incbin stub
  (src/stub/splash_tga.asm), assembled in compile_stub.sh.
- Build an lv_image_dsc_t at runtime from the decoded TGA pixel data
  and display it at 50% scale using lv_image_set_scale(128).
- Move LVGL init earlier in kernel.pas (right after video enable) so
  the splash screen is available before VFS/drivers/network init.
- Sprinkle splash.update() calls throughout kmain to show boot
  progress (VFS → drivers → buses → network → tests → desktop).
- Fix targa.pas parser: rename Magic→IDLength, remove erroneous Data
  pointer field, compute pixel offset correctly (buffer+18+IDLength),
  advance source pointer per pixel, handle bottom-to-top origin flip.
- Unit tests moved before desktop.init; splash.teardown called at 100%
  just before handing off to the desktop environment.
2026-03-07 20:20:00 +00:00
t3hn3rd 97244a2b95 Rebase: Changes made to conform with rebase on develop 2026-03-07 20:17:24 +00:00
t3hn3rd ecca496978 fix: show live GPU/resolution info in System Information
- desktop: Resolution/Graphics fields now read from video frontbuffer
  and gpu.activeDriverName instead of static multiboot/hardcoded values
- gpu: markAvailable sets ActiveName when no driver is active yet, so
  the initial VBE boot driver is reported before any setMode call
- kernel: whitespace cleanup
2026-03-07 20:16:26 +00:00
t3hn3rd e52b4a9763 feature: GPU driver framework with BGA, V86 monitor, and runtime resolution switching
- GPU Framework (gpu.pas): Priority-ordered GPU driver registry with
  mode-change callback system. Drivers register with a priority (lower =
  tried first). After successful setMode, fires registered callbacks in
  order (video → LVGL → desktop) for fully decoupled resolution updates.

- BGA Driver (bga.pas): Bochs Graphics Adapter via drivermanagement PCI
  auto-detection (class=$03 subclass=$00 wildcard). Programs display via
  I/O ports $01CE/$01CF, reads framebuffer from PCI BARs with VMware SVGA
  fallback. Supports arbitrary resolutions (1920x1080, 2560x1440, etc).

- SETRES Command (setres.pas): Runtime resolution switching — just calls
  gpu.setMode; video reinit, LVGL buffer realloc, and desktop relayout
  all fire automatically via GPU mode-change callbacks.

- VESA/VBE: Registered as GPU fallback driver (priority 50), uses V86
  INT 10h for VBE mode switching.

- TSS: Fix SS0 from $08 (code segment) to $10 (data segment); add
  set_esp0/get_esp0 helpers for V86 ring-0 stack management.

- VMM: Add map_page_user() for identity-mapping first 4MB with User bit
  (required for V86 IVT/BDA/video ROM access).

- Desktop: relayout procedure + GPU callback registration for automatic
  dock/watermark repositioning on resolution change.

- V86 Monitor (v86.pas): Full Virtual 8086 mode monitor for executing
  real-mode BIOS interrupts from protected mode. Naked GPF handler with
  instruction emulation (INT, IRET, CLI, STI, PUSHF/POPF, IN/OUT, HLT,
  0x66 prefix for 32-bit variants). Thunk-based entry via IRET into VM86.

- Kernel init order: gpu.init → video.init → vesa.init → bga.init;
  drivermanagement.init moved earlier (before video) so PCI scan detects
  BGA before first use.
2026-03-07 20:16:25 +00:00
admin f78eaa3811 Merge pull request 'Storage system overhaul: VFS, FAT32, ISO9660, AHCI/IDE refactor, GUI apps & boot drive mounting' (#49) from feature/storage-system into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #49
Reviewed-by: admin <[email protected]>
2026-03-07 19:53:14 +00:00
Aaron acb4a15e41 Fix file headers
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2026-03-07 19:40:18 +00:00
Aaron d3581eea2e update header
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2026-03-07 19:37:26 +00:00
Aaron 1fc00e3e7c chore: ignore lessons_learnt.md
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2026-03-07 19:33:57 +00:00
Aaron 2f837ace6e chore: remove lessons_learnt.md from tracking
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2026-03-07 19:33:40 +00:00
Aaron f8182b24b3 removed another bad file
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2026-03-07 19:24:59 +00:00
Aaron f0531ff861 Removed bad files
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2026-03-07 19:22:40 +00:00
Aaron 3d9c4cb49a feat: add processmanager.create to diskutil and notepad
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- diskutil: add proc_pid global, diskutil_entry idle proc, create process
  on launch with setWindowOwner, kill on close, zero proc_pid in init
- notepad: add pid field to TNotepadState, notepad_entry idle proc, create
  process on launch with setWindowOwner, kill pid in doCloseWindow
- both apps now appear in PS and are manageable via KILL/TERMINATE
2026-03-07 19:18:55 +00:00
Aaron 3a733b1559 feat: auto-mount boot drive to /boot; fix FAT32 deleted entry triple fault
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- Decode multiboot boot_device byte in storagemanager to identify boot device
- Add isBootDevice to TStorage_Device; propagate isBootDrive to volumes
- Create /boot VFS directory at init; mount boot volume there in auto_mount_volumes
- Fix getDirEntries skipping \-marked (deleted) FAT32 entries to prevent
  triple fault when navigating into a deleted directory via file picker
2026-03-07 18:58:32 +00:00
Aaron deb513c925 storage: fix VFS corruption, ISO9660 hang, OOM; add notepad, file picker, fdtable, GPT, async I/O
VFS fixes:
- GetDirectoryListing(otVDIRECTORY) now returns a heap-allocated snapshot
  instead of a raw live-tree pointer; FreeDirectoryListing no longer
  corrupts the VFS tree (fixes page fault on repeated navigation)
- volumeGetDirectories: guard LL_Size > 0 before loop to prevent uint32
  underflow (0-1 = 0xFFFFFFFF) causing 4B kalloc iterations -> OOM
- Free entry^.fileName and dirList in all branches (memory leak fix)

iso9660:
- equalsIgnoreCase: guard la=0 before loop (same uint32 underflow bug)
- readDirectoryEntries/resolvePath: add 65536/256-iter safety caps

storagemanager:
- Strip debug syslog calls that were allocating 6+ strings per I/O
  (hundreds of I/Os x 6 allocs exhausted the heap)

Process manager:
- Per-process FDTable and Cwd initialised on create, freed on reap
- proc_await: use pointer-indirection spin per lesson #6 (FPC caches
  non-volatile reads; raw while flag=0 returns immediately)
- graphicsrefresh: move LVGL handler from timer ISR (IF=0) to a
  dedicated process so LVGL callbacks can call blocking I/O

New units:
- fdtable.pas: per-process file descriptor table (fd_alloc/get/close)
- iorequest.pas: heap allocation helpers for TIORequest
- gpt.pas: GPT header/entry read + CRC validation
- filepicker.pas: reusable OS-level open/save file picker dialog
- notepad.pas: GUI text editor with selection, indent, save-as

Shell commands (diskcmd, partcmd, volcmd, diskutil):
- Route output to stdout_buf instead of syslog (lesson #4)
- diskutil: async add/remove/format partition; cache-based device display

Add Apache 2.0 license headers to storagemanager.pas, iso9660.pas,
fat32.pas, storagetest.pas

Lessons learnt: #9 VFS listing must return snapshot (not live pointer)
2026-03-07 18:58:32 +00:00
Aaron 789fb7971a getting ready 2026-03-07 18:57:38 +00:00
Aaron 4e3acd6af7 Storage system: AHCI, IDE rework, VFS, volume manager, flatfs, async IO, IOAPIC 2026-03-07 18:45:25 +00:00
admin 262d064b6d Merge pull request 'Fix: PS/2 mouse ISR blocking; convert USB polling & GFX refresh to processes; remove dead scheduler' (#48) from feature/ps2-mouse-fix into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #48
2026-03-07 00:40:20 +00:00
t3hn3rd 738e5828f6 Fix PS/2 mouse ISR blocking; convert USB polling & GFX refresh to processes; remove dead scheduler
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PS/2 Mouse:
- Fix ISR spin-blocking by reading port $60 directly with inb() instead
  of calling mouse_read(), which uses mouse_wait_long (100k iterations)
  and would stall the interrupt handler waiting for the next packet byte.

Timer (PIT):
- Increase PIT frequency from ~1024 Hz to ~8 kHz (divisor 1193 -> 149)
  for more granular timer ticks.

Graphics Refresh:
- Replace timer-hook-driven rendering (driver/timers/graphicsrefresh)
  with a dedicated 'gfxd' process that runs a continuous render loop,
  keeping the vCPU active to avoid NEM/Hyper-V pause-loop descheduling.
- Move uidebug from driver/video/ to prog/.
- Update FPS calculation to account for 8 kHz tick rate.

USB Hotplug:
- Replace timer-hook-driven polling (driver/timers/usbhotplug) with a
  dedicated 'usbd' daemon process that sleeps 1s between poll cycles.
- Add bounds check in usbcore.usb_check_hotplug for empty HC list.

Cleanup:
- Remove old scheduler unit (superseded by processmanager/contextswitcher).
- Remove tss unit and tss.init() call from kernel.
- Remove unused syslog import from contextswitcher.
- Reduce BASE_QUANTUM from 8 to 5.
2026-03-07 00:29:38 +00:00
t3hn3rd 9fa1c859ac Merge pull request 'feature: preemptive process management & TCP/IP barebones' (#41) from feature/process-management into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #41
Reviewed-by: Aaron Hance <[email protected]>
2026-03-04 20:04:24 +00:00
t3hn3rd d01b534a3d rebase fix: stdio.registerCommand('BSOS') removed from progmanager.pas
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- This can sit in kernel for now, given that's where the handler is.
- TODO: Move everything to sit under prog/
2026-03-04 19:49:56 +00:00
t3hn3rd 491b0ea5c3 fix: Allocator Merge Conflicts Resolved 2026-03-04 19:43:43 +00:00
t3hn3rd de6fde05cc feature: preemptive process management - implementation progress
Implement a preemptive multitasking system for the Asuro kernel.

Context Switching & Scheduling:
- Custom IRQ0 ISR (contextswitcher.pas) with PUSHAD/POPAD ESP-swap
- Round-robin scheduler with priority-based quantum
- Process table using DList of PProcessContext pointers
- Idle process (PID 0) replaces kernel HLT loop

Process Lifecycle:
- create/kill/terminate/sendMessage API (processmanager.pas)
- Process states: Created, Running, Ready, Suspended, Awaiting,
  Finished, Error
- Parent-child tracking (ParentID, smChildExited notification on reap)
- proc_yield, proc_sleep_ms, proc_await, proc_suspend, proc_exit

Resource Binding & Cleanup:
- Per-process resource list
  (bindResource/unbindResource/unbindAllResources)
- TCP sockets auto-bound to owning process (OwnerPID on TTCPSocket)
- socket_cleanup + auto-unbind in DestroySocket

VTerminal Refactor:
- Multi-instance design (heap-allocated TVTermState per terminal)
- Foreground process with incremental stdout/stderr drain via LVGL timer
- Ctrl+C kills foreground process (killForeground)
- Per-terminal CWD, dir stack, FS builtins (CD/LS/PUSHD/POPD)
- Background job support (& suffix, JOBS/FG commands)
- Command history (Up/Down arrow)

Command Consolidation:
- 14 commands extracted from 9 units into centralized progmanager.pas
- Command procedures exported in host unit interfaces
- E1000/TRACER/stdio builtins kept in-place (conditional/circular)

New Units:
- src/include/proctypes.pas — process type definitions
- src/processmanager.pas — core process manager
- src/prog/ping.pas — standalone ICMP ping process
- src/prog/testcmd.pas — test command (proc_sleep_ms demo)
- src/testprocs.pas — process subsystem smoke tests

Misc:
- ICMP callbacks gain userData parameter for concurrency-safe ping
- CLI/STI guards on kalloc/kfree (lmemorymanager.pas)
- LV_KEY_CTRLC constant + Ctrl+C interception in LVGL keyboard hook
- Window owner PID tracking (windows.pas)
- ISR_32 gate override support (isrmanager.pas)
2026-03-04 19:42:33 +00:00
t3hn3rd fb675a2299 feature: implement TCP (RFC 793) protocol driver
Add full TCP/IP stack implementation at L4 alongside UDP and ICMP.

Core Protocol Engine:
- TCP types in nettypes.pas (header, TCB, state enum, error codes,
  callbacks, OOO entry, socket structures)
- 3-way handshake (active & passive OPEN)
- Reliable data transfer with ACK and sequence number tracking
- Graceful close (FIN_WAIT, CLOSE_WAIT, LAST_ACK, TIME_WAIT)
- RST send/receive handling
- Retransmission with exponential backoff (max 5 attempts)
- Pseudo-header based checksum (RFC 793)

Server Support:
- LISTEN → SYN_RECEIVED → ESTABLISHED passive open path
- Listen backlog enforcement (configurable per-socket)
- accept() to retrieve established child connections

Robustness & Hardening:
- Delayed ACK timer (~200ms)
- Nagle's algorithm (buffer small sends while unACKed data pending)
- Jacobson/Karels RTT estimation with adaptive RTO
- Congestion control (slow start / congestion avoidance)
- Zero-window probing with exponential backoff
- MSS option negotiation in SYN/SYN-ACK (Kind=2, Len=4)
- Keep-alive (30s idle, 10s interval, 5 probes)
- Out-of-order segment reassembly (4-slot buffer)

Terminal & Testing:
- tcpconnect: active open + send "Hello, World!"
- tcplisten: passive open with syslog output
- tcphttp: HTTP/1.0 GET client

Also add push_trace() instrumentation to net, eth2, arp, ipv4,
icmp, udp, and dhcp entry points for call tracing, and register
tcp in net.init.
2026-03-04 19:39:32 +00:00
t3hn3rd aa374b6816 Merge pull request 'refactor(memory): complete PMM/VMM/LMM rewrite - bitmap allocators, bug fixes, hardening' (#40) from feature/memory-allocation-optimization into develop
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Reviewed-on: #40
Reviewed-by: Aaron Hance <[email protected]>
2026-03-04 19:34:44 +00:00
t3hn3rd f427b7bcc7 refactor(memory): complete PMM/VMM/LMM rewrite - bitmap allocators, bug fixes, hardening
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PMM Rewrite:
- Replace ~8KB record array with compact bitmaps
  (PhysPresent/PhysAlloc/PhysScanned, 128B each)
- Add PhysOwner[0..1023] for per-block ownership tracking
- new_block: O(1) amortised via NextFreeHint + dword-level BSF scan,
  returns 0 as OOM sentinel
- free_block: O(1) direct bit clear with double-free detection
- alloc_block: validates PhysPresent and PhysAlloc bits before allocation
- Add pmm_free_blocks/pmm_total_blocks stats functions

VMM Correctness Fixes:
- Fix free_page block extraction (Address SHR 10, was using
  raw Address field)
- Fix invlpg operand (use virtual address, was passing PDE index)
- Clear PDE entry on free_page before returning block to PMM
- Remove map_page double-write (delegate to map_page_ex only)
- Add OOM propagation (new_page returns false if PMM returns 0)
- Fix missing pop_trace in new_page error path

LMM Rewrite:
- Replace per-entry record array with bitmap allocator
  (93% vs 43% page efficiency)
- Layout: Header(24B) + Bitmap(64512B) + Padding + Data at 0x10000
- SIZE_PREFIX=16 for 16-byte aligned returns (SSE MOVAPS requirement)
- Next-fit bitmap scan with roving hint (NextFree) and dword-level
  fast skip
- Large alloc sentinel (LARGE_ALLOC_MAGIC=$FFFFFFFE) so kfree detects
  klalloc'd memory
- Implement klfree (was previously a no-op - pages could never
  be returned)
- Implement try_release_page (return fully-free heap pages to VMM/PMM)
- Fix interrupt safety: stack-balanced pushfd/cli/pop +
  restore_if (sti only)
  Fixes Bad TSS caused by popfd restoring dangerous EFLAGS bits (NT, IOPL)
- Zero memory via rep stosd instead of byte-by-byte loop

Hardening:
- kalloc OOM now triggers BSOD instead of returning nil
  (90% of callers don't check)
- Double-free detection in kfree (verify bitmap bits set before clearing)
- Guard bytes ({$IFDEF DEBUG_LMM}): $DEADBEEF sentinel for buffer overrun detection
- kpalloc: bounds check (block >= 1024 -> GPF) + syslog MMIO mapping audit log

Observability:
- Add MEMINFO command as src/prog/meminfo.pas (moved from inline kernel.pas)
- Displays multiboot memory, PMM block stats, LMM heap stats
- Register via progmanager.pas following standard prog pattern

Files changed:
- src/pmemorymanager.pas
- src/vmemorymanager.pas
- src/lmemorymanager.pas
- src/kernel.pas
- src/progmanager.pas
- src/prog/meminfo.pas
2026-03-04 19:23:46 +00:00
Aaron 4ba3c5b524 Merge pull request 'feature/Queues' (#37) from feature/Queues into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #37
2026-03-04 00:06:10 +00:00
t3hn3rd 7180ad39d8 Merge pull request 'feature: Pipeline - LVGL Build Caching' (#38) from feature/lvgl-build-caching into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #38
Reviewed-by: Aaron Hance <[email protected]>
2026-03-04 00:05:01 +00:00
Aaron 6c7bcc1911 better testing
continuous-integration/drone/push Build is passing
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2026-03-04 00:00:56 +00:00
Aaron e09c9b5595 refactor 2026-03-04 00:00:56 +00:00
Aaron 9476bb0c8a compile 2026-03-04 00:00:56 +00:00
Aaron 8f7db8507b Queues 2026-03-04 00:00:56 +00:00
t3hn3rd 188b1aebb0 feature: Pipeline - LVGL Build Caching
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- Add LVGL build caching: store liblvgl.a on host mount to skip
  full recompilation on subsequent builds
2026-03-03 23:22:09 +00:00
t3hn3rd 452203b7b4 Merge pull request 'bug: vtop incorrect bitmask' (#36) from feature/vtop-fix into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #36
Reviewed-by: Aaron Hance <[email protected]>
2026-03-03 20:03:47 +00:00
t3hn3rd 76c419336e bug: vtop incorrect bitmask
continuous-integration/drone/push Build is passing
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- Fix for issue #32 in which the incorrect bitmask ($FFFFFF) is used where
  $3FFFFF should be used instead. (24 vs 22 bits).
2026-03-03 19:10:08 +00:00
admin 2ad0ae8420 Merge pull request 'feature/gitattributes' (#30) from feature/gitattributes into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #30
2026-03-02 21:56:56 +00:00
t3hn3rd c0c199bfe6 .gitattributes update
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- Updated .gitattributes linguist excludes for compile-time directories.
2026-03-02 21:48:10 +00:00
t3hn3rd 7ec3bcb9b9 .gitattributes & doc directory
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- Added gitattributes for linguist exclusions
- Created empty doc folder for local working docs
2026-03-02 21:41:14 +00:00
admin 4bd0a2dfbf Merge pull request 'Merge feature/graphics-interrupts into develop' (#14) from feature/graphics-interrupts into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #14
2026-03-02 19:19:46 +00:00
admin 431e5bc8f4 Merge pull request 'Merge feature/USB into develop' (#13) from feature/USB into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #13
2026-03-02 19:14:05 +00:00
t3hn3rd 8169d93a9c refactor: move render loop & USB hotplug to timer-driven units
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Replace the blocking main render loop in kernel.pas with two new
timer-hooked units that are driven by the 1024Hz PIT interrupt:

- graphicsrefresh: calls desktop.update, uidebug.update, lvgl_handler
  and video.Flush every 4 ticks (~256 FPS target).
- usbhotplug: calls usbcore.usb_check_hotplug every 1024 ticks (~1Hz).

The kernel main procedure now registers both timer hooks and enters an
idle STI/HLT loop (kernel.yield), allowing the CPU to sleep between
interrupts instead of busy-spinning.

Also removes the unused myUserLandFunction and reorders early syslog
init calls for clarity.
2026-03-02 19:04:42 +00:00
t3hn3rd 547251dbd0 update: Kernel.pas changes to align with USB implementation
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- Kernel.pas updated to init USB devices & check for hotplug.
- USB Poll removed given USB stack is now interrupt driven.
2026-03-02 15:53:40 +00:00
t3hn3rd 7bbcc44c5e Feature: USB - Hotplug, mass storage, disconnect callbacks, dynamic device lists
- Add disconnect callback (fnDisconnect) to TUSBDevice for safe unplug handling
- Add HotplugArmed/PortChangePending flags to TUSBHCDriver for deferred
  hotplug processing from ISR context (OHCI RHSC, EHCI PCD, xHCI PSC)
- Implement usb_rescan_port() and usb_check_hotplug() in usbcore
- Add usb_bulk_transfer_wait() with timer-based timeout (bios_data_area)
- Add timer-based timeout to usb_control_msg polling loop
- Replace static device arrays with dynamic linked lists in class drivers:
  usb_keyboard (KeyboardList), usb_mouse (MouseList), usb_storage (StorageList)
- Add 3-strike fail-count self-deactivation in keyboard/mouse poll loops
- Add unload() disconnect handlers for keyboard, mouse, and storage drivers
- Implement USB Mass Storage BOT driver (usb_storage.pas):
  CBW/CSW transport, SCSI INQUIRY/READ_CAPACITY/READ10/WRITE10,
  storagemanagement integration with read/write callbacks
- xHCI: acknowledge port status change W1C bits in event handler
- Integrate usb_check_hotplug + poll_keyboards/poll_mice into kernel main loop
2026-03-02 15:52:49 +00:00
t3hn3rd 25475a88a7 featur: USB - Add device tracking, stall recovery, removal, and terminal command
- Track enumerated devices per-HC via linked list (hc^.Devices)
- Add usb_clear_halt() for endpoint stall recovery (CLEAR_FEATURE)
- Add usb_remove_device() to clean up and free device records
- Add get_hc() for indexed host controller access
- Implement 'USB' terminal command showing HC info, connected devices,
  speeds, class descriptors, and endpoint details
2026-03-02 15:50:55 +00:00
t3hn3rd db49c29627 fix: lowercase names for units
- PCI.pas -> pci.pas
2026-03-02 13:38:10 +00:00
t3hn3rd c237553508 fix: ps2_keyboard report key-up events for break codes
The PS/2 keyboard callback hardcoded is_down_code := true for every
scancode, so key releases were never reported. This caused keys to
repeat endlessly until the next key was pressed.

In PS/2 scancode set 1, bit 7 indicates a break (release) code.
The callback now:
- Detects break codes via (scancode AND $80)
- Masks to base code (scancode AND $7F) for key matrix lookup
- Sets is_down_code := false for break codes
- Updates modifier state (shift/ctrl/alt) before building the
  key event, so modifier releases take effect immediately

Files changed:
- ps2_keyboard.pas: rewrite callback to handle make/break codes
2026-03-02 13:37:29 +00:00
t3hn3rd 0c96d32754 feature: move all USB HC drivers from polling to interrupt-driven completion
Replace main-loop polling (poll_all, poll_keyboards, poll_mice) with
hardware interrupt handlers for all four USB host controller drivers.

Each HC driver (XHCI, EHCI, OHCI, UHCI) now:
- Registers an ISR on its PCI interrupt line via isrmanager
- Enables hardware interrupts after HC initialization
- Acknowledges interrupt status in the ISR before calling poll,
  preventing interrupt storms on level-triggered PCI lines
- Uses a PollBusy re-entrancy guard to prevent ISR/inline poll races

usbcore gains a completion hook system (register_completion_hook /
fire_completion_hooks) so HID drivers (keyboard, mouse) are notified
directly from the ISR after transfer completion.

Files changed:
- usbcore.pas: completion hook infrastructure
- XHCI.pas: ISR, enable_interrupts, submit ordering fix
- EHCI.pas: ISR, enable_interrupts, status ack in ISR
- OHCI.pas: ISR, enable_interrupts, status ack in ISR
- UHCI.pas: ISR, enable_interrupts, status ack in ISR
- usb_keyboard.pas: register completion hook
- usb_mouse.pas: register completion hook
2026-03-02 13:36:40 +00:00
t3hn3rd 3f83f279d7 XHCI driver implementation
- Beginnings of a functional XHCI driver implemented.
2026-03-02 12:24:02 +00:00
t3hn3rd 82fe9fa6df EHCI Implementation
- Beginnings of a functional EHCI driver implemented.
2026-03-02 12:23:35 +00:00
admin 983d9a428d Merge pull request 'feature: Tracer O(1) ring buffer refactor' (#12) from feature/tracer-optimizations into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #12
2026-03-01 22:29:53 +00:00
t3hn3rd 2fa77d8295 Merge branch 'feature/tracer-optimizations' into feature/USB 2026-03-01 21:26:56 +00:00
t3hn3rd f53afc1d2d feature: Tracer O(1) ring buffer refactor
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- Replaced O(n) shift loop + StringCopy/kalloc/kfree with O(1) ring
  buffer storing PChar pointers directly (zero allocation).
- Eliminated mod operator (causes int64 promotion + broken RTL helpers
  on i386 bare-metal); uses pure uint32 branch arithmetic.
- Removed dead code: PTracerEntry/TTracerEntry linked list types,
  head/tail PTracerEntry vars, c_lock boolean
- Dropped lmemorymanager and serial from uses clause
- pop_trace remains as no-op stub for ABI compat
- get_trace_N uses underflow-safe index: if head >= idx then
  head - idx else MAX_TRACE - (idx - head)
- Added print_traces debug helper
2026-03-01 21:26:35 +00:00
t3hn3rd cb7144f282 USB Stack & HID Refactor
- New units: usbtypes, usbcore, usbhub, UHCI, OHCI, usb_keyboard,
  usb_mouse
- usbtypes: shared USB descriptors, constants, HC abstraction,
  aligned alloc, unit tests
- usb_keyboard: USB HID boot keyboard driver with HID-to-ASCII
  translation, polling, unit tests
- usb_mouse: USB HID boot mouse driver with delta/scroll/button
  processing, polling, unit tests

HID Layer Restructure:
- keyboard.pas: stripped to abstract API (hook + reportKeyEvent),
  no PS/2 dependency
- mouse.pas: absorbed mousestate.pas, now owns
  position/buttons/scroll/hooks directly
- mousestate.pas: deleted (merged into mouse.pas)
- New ps2_keyboard.pas: PS/2 scan code translation,
  calls keyboard.reportKeyEvent
- New ps2_mouse.pas: PS/2 packet handling, calls
  mouse.setMousePos/fireMouseEvent

LVGL Integration:
- lvgl.pas: updated to use mouse.pas directly (was mousestate),
  improved keyboard input handling with proper key held/release tracking
- vterminal.pas: removed serial debug logging, dropped serial dependency

Kernel:
- kernel.pas: added USB units, USB polling in main loop, unit test
  calls, ps2_keyboard/ps2_mouse init
2026-03-01 21:23:33 +00:00
admin afdc83eaf6 Merge pull request 'Merge feature/hardening into develop' (#11) from feature/hardening into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #11
2026-03-01 02:57:23 +00:00
t3hn3rd 2239d9c848 Rebase: Fixed console -> syslog interface
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2026-03-01 02:46:13 +00:00
t3hn3rd beb4b253ab fix: guard against uint32 underflow in memset/memcpy and strings unit
When size=0 was passed to memset() or memcpy(), the loop bound
`0 to size-1` underflowed to $FFFFFFFF, iterating ~4 billion times
and causing an immediate page fault.

Added `if size = 0 then exit` guards to both memset() and memcpy()
in util.pas.

Also guarded all `for i:=0 to X-1` loops in strings.pas where X
could be 0 on empty string inputs:
- stringToUpper: wrap loop in `if stringSize > 0`
- stringToLower: wrap loop in `if stringSize > 0`
- stringEquals: early exit when both sizes are 0
- stringToInt: early exit when string is empty

Additionally fixed all previously identified bugs in strings.pas:
- hexStringToInt: guard against empty string underflow
- stringConcat: cache stringSize calls to avoid redundant O(n) scans
- stringTrim: clamp length to source string size
- stringSub: bounds check start/size against source length
- stringReplace: complete rewrite - was using stringEquals() for
  substring matching (only matched at string end), dropped prefix
  chars, had dangling assignment overwriting valid result with
  uninitialized pointer, and had unused variable
- stringIndexOf: rewritten to use new stringMatchAt() helper for
  correct substring matching
- stringContains: simplified to delegate to fixed stringIndexOf(),
  also fixing uint32 underflow when sub was empty
- stringToInt: removed always-true `v >= 0` check on uint32
- intToString: implemented (was a stub returning ' ')
- Added stringMatchAt() helper for prefix comparison
- Added comprehensive UnitTest procedure with 77 assertions
  including adversarial empty/nil/boundary inputs
2026-03-01 02:33:28 +00:00
admin 084130da80 Merge pull request 'feat: VESA rendering implementation & LVGL for graphics drawing' (#10) from feature/lvgl into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #10
2026-03-01 02:25:47 +00:00
t3hn3rd f752be48ce refactor/feature/fix: Major refactor of codebase
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refactor(stdio): replace console/terminal command system with buffer-based stdio
- Introduced stdio.pas as the unified command I/O layer.
- All 31 command procedures across 15 files now receive stdin_buf,
  stdout_buf, and stderr_buf (POutBuf) instead of a single outbuf.
- vterminal.pas creates all three buffers per command invocation and
  displays both stdout and stderr.
- Deleted console.pas, terminal.pas, and 9 obsolete windowing programs
  (shell, splash, edit, memview, themer, netlog, vmlog, vmstate, udpcat).
- Migrated all registerCommand calls to stdio, rewrote vterminal
  processCommand to use stdio.findCommand, and added proper error
  routing to stderr for invalid params, bad paths, and system errors.

refactor(syslog): replace console logging with serial-backed syslog
- Introduced syslog.pas for kernel-level logging over serial/dev.
- Migrated all boot logging in kernel.pas from console.outputln/
  writestringln to syslog.logln/writestringln.
- Converted 19 fault handlers, hashmap, lists, scheduler, tracer, net,
  udp, and all driver init paths to use syslog.
- Rewrote BSOD in util.pas (50+ calls) from console to syslog.
- Removed CONSOLE_SLOW_REDRAW, TRGB565, TRGB565Pair, and HWND
  from system.pas.

fix(keyboard): add ring buffer and proper press/release cycling for LVGL input
- Replaced the single last_key/key_pressed slot in lvgl.pas with a
  16-entry ring buffer (kb_buf, kb_head, kb_tail) to prevent ISR
  overwrites when typing fast.
- Added a kb_pending_release flag so each keystroke gets a
  full PRESSED->RELEASED cycle before the next key is consumed —
  LVGL requires this pairing and was silently dropping intermediate
  keys when receiving consecutive PRESSED events without
  intervening releases.

feat(vterminal): use Hack monospace font for terminal output
- Added Hack Regular 14px (hack_14.c) as a custom LVGL font.
- Removed the .static_bitmap field from the generated font file
  (not present in LVGL 9.2 lv_font_t struct).
- Declared the hack_14 external symbol in lvgl.pas and switched
  vterminal's text label from lv_font_montserrat_14 to hack_14
  for proper monospace terminal rendering.
2026-03-01 02:06:31 +00:00
t3hn3rd dbe6e958e2 fix: More changes for Hyper-V PS/2 mouse compatability
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2026-02-28 22:54:19 +00:00
t3hn3rd 201cda4c29 fix: Pipeline fixes for temporary lvgl directory
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- Fixed missing lvgl artefacts for build pipeline causing drone failures.
2026-02-28 16:48:41 +00:00
t3hn3rd e54b34aa93 fix: gate AVX enable on XSAVE support and set CR4.OSXSAVE first
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XGETBV/XSETBV require CR4 bit 18 (OSXSAVE) to be set before execution,
otherwise the CPU raises #UD (invalid opcode). Hyper-V enforces this
strictly; VirtualBox was silently tolerating it.

- Check both AVX and XSAVE CPUID flags before attempting AVX enable
- Set CR4.OSXSAVE (bit 18) before issuing XGETBV/XSETBV
- If XSAVE is not exposed by the hypervisor, AVX enable is skipped
  gracefully instead of faulting
2026-02-28 16:31:57 +00:00
t3hn3rd fcfe7c3204 fix: Mouse driver Hyper-V compatibility + resolution-independent bounds clamping
- Add mouse_wait_long() with 100,000 iteration timeout for init-time
  i8042 controller commands (mouse_write/mouse_read/load). The original
  mouse_wait() stays at 100 iterations for ISR-safe use in main().

- In load(): use mouse_wait_long() for all direct port I/O ($64/$60)
  and clear CCB bit 5 (AND NOT $20) to ensure the mouse clock is not
  disabled — required for Hyper-V which enforces this strictly.

- Replace Console.getConsoleProperties^.Width/Height with
  video.frontBufferWidth/Height for mouse bounds clamping. The old
  console properties are zero when console.init() is not called,
  which locked the cursor to (0,0). Add 'video' to uses clause.
2026-02-28 16:31:26 +00:00
t3hn3rd be4b482bde fix: LVGL rendering for 16bpp framebuffers (HyperV compatibility)
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The LVGL flush callback assumed 32bpp (4-byte stride, direct pixel
copy), causing corrupted output on hypervisors that fall back to
16bpp modes (e.g. HyperV at 1600x1200x16).

- lvgl.pas: Make lvgl_flush_cb BPP-aware; add ARGB8888->RGB565
  conversion path for 16bpp, keep direct copy for 32bpp. Replace
  static lv_buf1 array (hardcoded 1600px wide) with kalloc'd buffer
  sized to actual screen width.
- doublebuffer.pas: Fix allocateBackBuffer size from (W*H*BPP) to
  (W*H*BPP) div 8 to get correct byte count.
- vesa.pas: Account for BPP in allocateVESAFrameBuffer page range
  calculation to avoid under-mapping at higher BPP/resolutions.
- Removed the initialization of console in kernel.pas as this will
  cause issues on some systems that don't expect to need to allocate the
  textmode buffer.
2026-02-28 15:38:11 +00:00
t3hn3rd 6f50b053b7 Full LVGL binding & Cursor fix
- Full(ish) LVGL bindings implemented.
- Cursor replaced with an actual cursor.
2026-02-28 00:06:10 +00:00
t3hn3rd ece376660c Removed old lv_conf
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2026-02-27 22:43:53 +00:00
t3hn3rd 98a14bc7dc More work towards LVGL implementation
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2026-02-27 22:43:02 +00:00
t3hn3rd 989e36ffe2 Initial LVGL modifications
Basic LVGL wrapper with an example desktop & windowing system.
2026-02-27 16:30:31 +00:00
t3hn3rd ceb03a9d7e Merge branch 'feature/fpc-3.2.2' into feature/lvgl
# Conflicts:
#	.drone.yml
#	virtualbox-wrapper.ps1
2026-02-26 15:51:37 +00:00
admin 924305a1ab Merge pull request 'Migration from FPC 2.6.4 to FPC 3.2.2' (#9) from feature/fpc-3.2.2 into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #9
2026-02-26 12:51:09 +00:00
t3hn3rd 4ef61b0d3b Drone failing due to webhook stage
- Added ignore failure to discord webhook stage.
2026-02-26 12:23:42 +00:00
t3hn3rd 2b071a58c7 feature: Upgrade FPC from 2.6.4 to 3.2.2
continuous-integration/drone Build was killed
Migrate the build toolchain from Free Pascal Compiler 2.6.4 to 3.2.2.
FPC 3.2.2 requires a significantly expanded custom system unit and
several syntactic adjustments across the codebase.

Dockerfile:
- Bump FPC_VERSION from 2.6.4 to 3.2.2

compile_sources.sh:
- Replace obsolete -Op3 flag with -OpPENTIUM3

linker.script:
- Add /DISCARD/ section for .init_array, .fini_array, .ctors, .dtors,
  .eh_frame, .gcc_except_table, and .note.GNU-stack sections emitted
  by FPC 3.2.2

system.pas:
- Fix hresult to 'type longint' (was cardinal, incompatible with 3.2.2)
- Add required types: SizeInt, SizeUInt, PtrInt, PtrUInt, NativeInt,
  NativeUInt, CodePointer, TTypeKind, jmp_buf, TExceptAddr, TGuid,
  FileRec, TextRec
- Add required globals: ExceptAddrStack, ExitCode, ErrorAddr, ErrorCode,
  ExitProc, StackBottom, StackLength, RandSeed
- Implement compilerprocs: fpc_initializeunits, fpc_do_exit,
  fpc_handleerror, fpc_rangeerror, fpc_overflow, fpc_divbyzero,
  fpc_objecterror, fpc_abstracterror, fpc_stackcheck, fpc_iocheck,
  fpc_pushexceptaddr, fpc_popaddrstack, fpc_setjmp (asm),
  fpc_longjmp (asm), fpc_shortstr_assign, fpc_mul_int64 (asm),
  fpc_getmem, fpc_freemem, fpc_reraise, fpc_raiseexception,
  fpc_catches, fpc_doneexception
- Add move() procedure with FPC_MOVE alias

util.pas, serial.pas:
- Fix inline asm functions (getESP, inl, inw, inb, sinb) to use temp
  variables instead of function-name result — FPC 3.2.2 no longer
  allows 'MOV funcname, reg' syntax in inline asm blocks

lmemorymanager.pas:
- Export kalloc/kfree with public aliases (kernel_kalloc, kernel_kfree)
  so system.pas fpc_getmem/fpc_freemem can link to them
2026-02-26 00:01:40 +00:00
t3hn3rd 1145b900e4 Merge pull request 'Virtualbox-Wrapper - Bugfix' (#8) from feature/Virtualbox-Wrapper-Fix into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #8
Reviewed-by: Aaron Hance <[email protected]>
2025-03-23 19:01:28 +00:00
t3hn3rd 436cd86d8c Updated virtualbox wrapper as it was causing stale powershell processes to build up over time
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- Updated `Virtualbox-Wrapper.ps1` to include `Get-Job | Stop-Job | Remove-Job -Force` at the end of execution, as the spawning of jobs was causing stale PowerShell processes to build up over time.
2025-03-23 17:54:55 +00:00
t3hn3rd 540444dfbf Merge pull request 'feature/drone-discord-webhooks' (#7) from feature/drone-discord-webhooks into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #7
2025-03-23 15:21:58 +00:00
t3hn3rd 2d7c51ed15 Further formatting cleanups
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- Attempted to remove automatic discord embeds by surrounding any markdown links with `<` `>`.
- Corrected some spacing.
2025-03-23 01:14:28 +00:00
t3hn3rd c842d9774f Formatting Fixed - Enchancing
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- Formatting is now fixed & newlines are working correctly, shame the YAML looks w?*! 🤣
- Added sections to the message for links to Gitea & Drone.
2025-03-23 00:59:36 +00:00
t3hn3rd 5963504f6b More attempts at format fixes
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Formatting still off, condensing to one line to see if the escaped newlines will work. YAML is wild.
2025-03-23 00:48:31 +00:00
t3hn3rd e64a59714a Formatting Fixes
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Formatting was off for the message posted to Discord, it also triggered at the start of the pipeline.
- Fixed formatting with an attempt to use newlines.
- Added a depends_on `compile`.
2025-03-23 00:41:22 +00:00
t3hn3rd dd5d908e43 DroneCI config updated to push to discord webhook
continuous-integration/drone/push Build is passing
- `.drone.yml` updated to push notifications to the discord webhook.
2025-03-23 00:31:20 +00:00
Aaron 28846af43c Merge pull request 'feature/dynamic-lists' (#6) from feature/dynamic-lists into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #6
Reviewed-by: t3hn3rd <[email protected]>
2025-03-22 19:24:52 +00:00
t3hn3rd b1e3953960 Merge pull request 'Fixed a DHCP bug' (#5) from feature/DHCP-BugFix into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #5
2025-03-22 19:13:25 +00:00
Aaron 7e00e23801 Fixed and expanded dynamic lists, commented whole file 2025-03-22 19:02:43 +00:00
t3hn3rd bd12bbe862 DevOps Workflow Improvements 2025-03-22 18:42:44 +00:00
t3hn3rd 48c203f028 Fixed a DHCP bug
continuous-integration/drone/push Build is passing
continuous-integration/drone/pr Build is passing
- Fixed a bug within `dhcp.pas` - `processPacket_OFFER` in which the client was responding with the client IP value within the DHCP header was incorrectly being filled out with the IP being requested & this value was then being used within the REQUESTED_IP_ADDRESS option. Corrected this to fill out the client IP with the currently configured IP, which will be NULL (0.0.0.0) on boot, and whatever is issued thereafter.
- Cascaded the change to use the currently configured IP as opposed to a NULL IP to any other functions that were calling `copyIPv4(@NULL_IP[0], @packetCtx^.IP.Source[0])`.
- Allowed `processPacket_OFFER` to process packets addressed to the BROADCAST MAC (WHY COULDN'T IT DO THIS ALREADY?!).
2025-03-17 00:00:21 +00:00
Aaron d859e40e4a Added mail map
continuous-integration/drone/push Build is passing
2025-03-15 10:52:08 +00:00
t3hn3rd 8be364c990 Merge pull request 'feature/ci-cd-drone-migration' (#3) from feature/ci-cd-drone-migration into develop
continuous-integration/drone/push Build is passing
Reviewed-on: #3
2025-03-10 20:08:38 +00:00
t3hn3rd 0e2c6b2936 Final commit to merge through develop & master
continuous-integration/drone/push Build is failing
continuous-integration/drone Build is failing
- CI/CD Pipeline now working & tested.
- Commits to all branches will trigger the pipeline in DroneCI.
- Commits to master will trigger the resulting ISO artefact to be uploaded to Gitea as a Package.

# Conflicts:
#	.drone.yml
2025-03-10 12:48:21 +00:00
t3hn3rd 632c3fa66b DevOps Workflow Improvements
- `VirtualBox-Wrapper.ps1` now takes 'up' or 'down' as opposed to a machine name. This allows start/stop of a virtualmachine.
- `VirtualBox-Wrapper.ps1` now relies on a gitignored `localenv.json` to work.
- `VirtualBox-Wrapper.ps1` can also optionally monitor the log file generated from the serial adapter in VirtualBox.
- `readme.md` updated to provide instructions on how to populate the `localenv.json` file.
- `tasks.json` updated to have a "Clean" task to --remove-orphans, the Build task depends on this.
- `tasks.json` updated to have a "Close VirtualBox" task, this runs the `virtualbox-wrapper.ps1` in 'down' mode. The Build task depends on this.
- `launch.json` updated to run the `VirtualBox-Wrapper.ps1` with the "-Command up" argument, instead of machine name.
- .gitignore updated to ignore any instances of `localenv.json`.
2025-03-09 13:05:39 +00:00
t3hn3rd 875e3e4765 VirtualBox 7 Compatability Changes
- Created a PowerShell script `virtualbox-wrapper.ps1` to wrap calls to vboxmanage and only exit once the virtual machine has been terminated.
- Updated launch.json to use the PowerShell launch type to launch `virtualbox-wrapper.ps1` with the machine name supplied as an argument.
- Updated `readme.md` to reflect these changes.
2025-03-08 19:29:46 +00:00
Aaron dbc5105b9b Dynamic lists fixes and additions 2022-02-08 21:28:47 +00:00
Aaron a61289a318 Dynamic list/array inital commit.- 2022-02-07 21:37:36 +00:00
t3hn3rd e28d68128d Merge branch 'feature/video-refactor' of https://gitlab.spexeah.com/spexeah/asuro into feature/video-refactor 2022-02-07 19:48:15 +00:00
t3hn3rd a9969d58f8 Draw texture function added to Video driver. 2022-02-07 19:48:01 +00:00
t3hn3rd d7a54d858d TARGA & Texture Units
Added TARGA and Texture units to represent & parse TARGA into and provide a standard texture format for use when drawing.
2022-02-07 19:48:00 +00:00
t3hn3rd 4e991c3e6f Double Buffer with SSE 128 copy working 2022-02-07 19:48:00 +00:00
t3hn3rd a3217de71a SSE MOVUPS/128bit Memcpy + Fixed Doublebuffer 2022-02-07 19:48:00 +00:00
t3hn3rd 19b433a19f Vesa32 additions + util functions to support 2022-02-07 19:48:00 +00:00
t3hn3rd 69d1d22a18 Fixed files being weird with case/unit searches 2022-02-07 19:48:00 +00:00
t3hn3rd 5c15343ed0 Delete files to recommit with lowercase names. 2022-02-07 19:48:00 +00:00
t3hn3rd 3ae349fbc8 New modular driver set for video
Started outlining how the modular driver set will look for video drawing routines. Currently supports Drawing pixels to the screen & Flushing backbuffer -> frontbuffer.
Still very much test code, tracer is used everywhere for debugging, NOT DEVELOP READY.
Many more draw routines need implementing - such as, but not limited to; drawRect, drawBitmap, drawLine, drawCurve, drawCircle.

TODO: Implement the aforementioned routines in all VESA modes + WindowManager.
2022-02-07 19:48:00 +00:00
t3hn3rd 78c060c114 Abstracted video driver somewhat
Split out video driver into abstract/standard/implementation.
2022-02-07 19:48:00 +00:00
t3hn3rd cd925e96c2 Enabled AVX + Changed flush to flush 2 pixels per iteration. 2022-02-07 19:48:00 +00:00
t3hn3rd 142dd486dd Double buffering implemented
Double buffering is now enabled with the use of the new large alloc (klalloc).
2022-02-07 19:48:00 +00:00
t3hn3rd beeeabd441 Expaneded Video.pas and addec color.pas
Backbuffer will need modification to lmemorymanager to remove the limits to allocation size.
2022-02-07 19:48:00 +00:00
t3hn3rd b73c66f6d6 Started work on refactored video. 2022-02-07 19:48:00 +00:00
t3hn3rd a7111d3cac Draw texture function added to Video driver. 2022-02-06 13:26:12 +00:00
t3hn3rd d182fd7f46 TARGA & Texture Units
Added TARGA and Texture units to represent & parse TARGA into and provide a standard texture format for use when drawing.
2022-02-06 13:25:04 +00:00
t3hn3rd b5582b1284 Double Buffer with SSE 128 copy working 2022-01-30 00:17:50 +00:00
t3hn3rd 161cea4920 SSE MOVUPS/128bit Memcpy + Fixed Doublebuffer 2022-01-29 01:39:45 +00:00
t3hn3rd 6b81c4ece0 Vesa32 additions + util functions to support 2022-01-23 16:58:46 +00:00
t3hn3rd ee17f69115 Fixed files being weird with case/unit searches 2021-07-07 17:49:04 +01:00
t3hn3rd 81c19bff16 Delete files to recommit with lowercase names. 2021-07-07 17:49:04 +01:00
t3hn3rd e7cda58113 New modular driver set for video
Started outlining how the modular driver set will look for video drawing routines. Currently supports Drawing pixels to the screen & Flushing backbuffer -> frontbuffer.
Still very much test code, tracer is used everywhere for debugging, NOT DEVELOP READY.
Many more draw routines need implementing - such as, but not limited to; drawRect, drawBitmap, drawLine, drawCurve, drawCircle.

TODO: Implement the aforementioned routines in all VESA modes + WindowManager.
2021-07-07 17:49:04 +01:00
t3hn3rd 44f18554e1 Abstracted video driver somewhat
Split out video driver into abstract/standard/implementation.
2021-07-07 17:49:04 +01:00
t3hn3rd 52b42ec975 Enabled AVX + Changed flush to flush 2 pixels per iteration. 2021-07-07 17:49:04 +01:00
t3hn3rd 2815dd9e4d Double buffering implemented
Double buffering is now enabled with the use of the new large alloc (klalloc).
2021-07-07 17:49:04 +01:00
t3hn3rd d057bfc3ff Expaneded Video.pas and addec color.pas
Backbuffer will need modification to lmemorymanager to remove the limits to allocation size.
2021-07-07 17:49:04 +01:00
t3hn3rd e4621c8aaa Started work on refactored video. 2021-07-07 17:49:04 +01:00
241 changed files with 102520 additions and 12539 deletions
+18 -4
View File
@@ -22,9 +22,9 @@ steps:
commands: commands:
- git fetch --tags - git fetch --tags
- find . -type f -print0 | xargs -0 dos2unix - find . -type f -print0 | xargs -0 dos2unix
- chmod +x /drone/src/*.sh - chmod +x /drone/src/toolchain/*.sh
- /drone/src/compile.sh - /drone/src/toolchain/compile.sh
- name: upload-iso-artifact - name: upload-iso-artifact
image: alpine/git image: alpine/git
depends_on: depends_on:
@@ -49,4 +49,18 @@ steps:
-H "Authorization: token $GITEA_TOKEN" || echo "No previous latest version found." -H "Authorization: token $GITEA_TOKEN" || echo "No previous latest version found."
- | - |
curl -X PUT https://gitea.spexeah.com/api/packages/Spexeah/generic/asuro-iso/latest/Asuro.iso \ curl -X PUT https://gitea.spexeah.com/api/packages/Spexeah/generic/asuro-iso/latest/Asuro.iso \
-H "Authorization: token $GITEA_TOKEN" --upload-file "Asuro-$(git rev-parse --short HEAD).iso" -H "Authorization: token $GITEA_TOKEN" --upload-file "Asuro-$(git rev-parse --short HEAD).iso"
- name: msg status
image: appleboy/drone-discord
failure: ignore
depends_on:
- compile
when:
status: [success, failure, changed]
settings:
webhook_id:
from_secret: discord_webhook_id
webhook_token:
from_secret: discord_webhook_secret
message: "**Asuro Build**\n\n{{#success build.status}}✅ Build successful!\n\n{{else}}❌ Build failed!\n\n{{/success}}Repository: `{{repo.namespace}}/{{repo.name}}`\nBranch: `{{commit.branch}}`\nCommit: `{{commit.sha}}`\nAuthor: `{{commit.author}} <{{commit.email}}>`\n\nGitea Diff: [Link](<{{commit.link}}>)\nDrone Build: [Link](<{{build.link}}>)\n\nMessage: {{commit.message}}"
+8 -1
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@@ -1 +1,8 @@
* text=auto eol=lf * text=auto eol=lf
lvglh/** linguist-vendored
lvgl/** linguist-vendored
.vscode/* linguist-vendored
lib/* linguist-generated
release/* linguist-generated
iso/* linguist-generated
*.asm linguist-detectable
+8
View File
@@ -11,3 +11,11 @@
/*.img /*.img
src/include/asuro.pas src/include/asuro.pas
localenv.json localenv.json
/lvgl/
dockerout.txt
AGENTS.md
lessons_learnt.md
*.log
/doc/*.md
wasuro
src/core/core.version.pas
+13
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@@ -0,0 +1,13 @@
# Map all Aaron identities to a single preferred identity
Aaron Hance <[email protected]> aaron <aaron@6dbc8c32-bb84-406f-8558-d1cf31a0ab0c>
Aaron Hance <[email protected]> aaronhance <[email protected]>
Aaron Hance <[email protected]> aaron hance <[email protected]>
Aaron Hance <[email protected]> Aaron <[email protected]>
# Map all Kieron identities to a single preferred identity
Kieron Morris <[email protected]> kieron <kieron@6dbc8c32-bb84-406f-8558-d1cf31a0ab0c>
Kieron Morris <[email protected]> Kieron <[email protected]>
Kieron Morris <[email protected]> t3hn3rd <[email protected]>
# Map goose's multiple identities
goose <goose@6dbc8c32-bb84-406f-8558-d1cf31a0ab0c> goose <[email protected]>
+3 -4
View File
@@ -5,19 +5,18 @@ VOLUME ["/code"]
ENV DEBIAN_FRONTEND=noninteractive ENV DEBIAN_FRONTEND=noninteractive
RUN dpkg --add-architecture i386 RUN dpkg --add-architecture i386
RUN apt-get update && apt-get install -y \ RUN apt-get update && apt-get install -y \
curl dos2unix wget git make nasm binutils:i386 xorriso grub-pc-bin && \ curl dos2unix wget git make nasm binutils xorriso grub-pc-bin gcc gcc-multilib && \
apt-get clean my room apt-get clean my room
SHELL ["/bin/bash", "-c"] SHELL ["/bin/bash", "-c"]
ARG FPC_VERSION=2.6.4 ARG FPC_VERSION=3.2.2
RUN curl -sL https://sourceforge.net/projects/freepascal/files/Linux/$FPC_VERSION/fpc-$FPC_VERSION.i386-linux.tar/download | tar -xf - && \ RUN curl -sL https://sourceforge.net/projects/freepascal/files/Linux/$FPC_VERSION/fpc-$FPC_VERSION.i386-linux.tar/download | tar -xf - && \
pushd fpc-$FPC_VERSION.i386-linux && ./install.sh && popd && \ pushd fpc-$FPC_VERSION.i386-linux && ./install.sh && popd && \
rm -rf fpc-$FPC_VERSION.i386-linux rm -rf fpc-$FPC_VERSION.i386-linux
COPY compile.sh /compile.sh
ADD https://raw.githubusercontent.com/fsaintjacques/semver-tool/master/src/semver /usr/bin/semver ADD https://raw.githubusercontent.com/fsaintjacques/semver-tool/master/src/semver /usr/bin/semver
RUN chmod +x /usr/bin/semver RUN chmod +x /usr/bin/semver
WORKDIR /code WORKDIR /code
RUN find . -type f -print0 | xargs -0 dos2unix RUN find . -type f -print0 | xargs -0 dos2unix
ENTRYPOINT ["/bin/bash", "-c"] ENTRYPOINT ["/bin/bash", "-c"]
CMD ["/compile.sh"] CMD ["find toolchain -name '*.sh' -exec dos2unix {} + 2>/dev/null; find toolchain -name '*.sh' -exec chmod +x {} +; bash toolchain/compile.sh"]
+75
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@@ -0,0 +1,75 @@
{ Compatibility shim: wasuro references the old unit name 'lmemorymanager'.
Since wasuro/ cannot be modified, this unit re-exports the public API of
memory.heap so that 'uses lmemorymanager' continues to compile. }
unit lmemorymanager;
interface
uses
memory.heap;
const
ALLOC_UNIT = memory.heap.ALLOC_UNIT;
DATA_OFFSET = memory.heap.DATA_OFFSET;
PAGE_SIZE_LMM = memory.heap.PAGE_SIZE_LMM;
TOTAL_UNITS = memory.heap.TOTAL_UNITS;
BITMAP_DWORDS = memory.heap.BITMAP_DWORDS;
SIZE_PREFIX = memory.heap.SIZE_PREFIX;
LARGE_ALLOC_MAGIC = memory.heap.LARGE_ALLOC_MAGIC;
type
PHeapPageHeader = memory.heap.PHeapPageHeader;
THeapPageHeader = memory.heap.THeapPageHeader;
procedure init;
function kalloc(size : uint32) : void;
function klalloc(size : uint32) : void;
procedure klfree(address : uint32);
function kpalloc(address : uint32) : void;
procedure kfree(area : void);
function lmm_total_free : uint32;
function lmm_page_count : uint32;
implementation
procedure init;
begin
memory.heap.init;
end;
function kalloc(size : uint32) : void; inline;
begin
kalloc := memory.heap.kalloc(size);
end;
function klalloc(size : uint32) : void; inline;
begin
klalloc := memory.heap.klalloc(size);
end;
procedure klfree(address : uint32); inline;
begin
memory.heap.klfree(address);
end;
function kpalloc(address : uint32) : void; inline;
begin
kpalloc := memory.heap.kpalloc(address);
end;
procedure kfree(area : void); inline;
begin
memory.heap.kfree(area);
end;
function lmm_total_free : uint32; inline;
begin
lmm_total_free := memory.heap.lmm_total_free;
end;
function lmm_page_count : uint32; inline;
begin
lmm_page_count := memory.heap.lmm_page_count;
end;
end.
+7
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@@ -0,0 +1,7 @@
unit types;
interface
implementation
end.
-7
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@@ -1,7 +0,0 @@
#!/usr/bin/env bash
echo " "
echo "======================="
echo " "
echo "Compiling FPC Sources..."
echo " "
fpc -Aelf -gw -g -gl -n -vlewn -O3 -Op3 -Si -Sc -Sg -Xd -CX -XXs -CfSSE -CfSSE2 -Rintel -Pi386 -Tlinux -FElib/ -Fusrc/* -Fusrc/driver/* -Fusrc/driver/net/* src/kernel.pas
-7
View File
@@ -1,7 +0,0 @@
#!/usr/bin/env bash
echo " "
echo "======================="
echo " "
echo "Compiling Stub..."
echo " "
nasm -f elf src/stub/stub.asm -o lib/stub.o
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+32
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@@ -0,0 +1,32 @@
#Flat filesystem
A super simple filesystem for asuro. Folders are emulated in filenames.
Starts with disk info sector, sector 0 of volume
---
#### disk info
jmp2boot : ubit24;
OEMName : array[0..7] of char;
version : uint16 // numerical version of filesystem
sectorCount : uint16;
fileCount : uint16
signature : uint32 = 0x0B00B1E5
the Rest of the sector is reserved
---
Starting from sector 1 is the file table. Table size is determined by entry size (64) * fileCount
---
####File entry
name : array[0..59] of char //file name max 60 chars
fileStart : 16bit // start sector of data
fileSize : 16bit // data size in sectors
---
+648
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After

Width:  |  Height:  |  Size: 1.0 MiB

Generated
+1
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@@ -0,0 +1 @@
Hello from the Asuro ISO!
+12886
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+374
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+35812
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@@ -17,18 +17,18 @@
@author(Angus C <angus@actm.uk>) @author(Angus C <angus@actm.uk>)
} }
unit base64_prog; unit app.base64;
interface interface
uses uses
console, terminal, keyboard, util, strings, tracer, base64, lmemorymanager; io.stdio, core.util, arch.x86.util, core.strings, debug.tracer, core.enc.base64, memory.heap;
procedure init(); procedure init();
implementation implementation
procedure run(Params : PParamList); procedure run(Params : PParamList; stdin_buf, stdout_buf, stderr_buf : POutBuf);
var var
input : pchar; input : pchar;
pinput : pchar; pinput : pchar;
@@ -38,7 +38,7 @@ var
PSize : uInt32; PSize : uInt32;
begin begin
tracer.push_trace('base64_prog.run'); debug.tracer.push_trace('base64_prog.run');
if paramCount(Params) > 1 then begin if paramCount(Params) > 1 then begin
encdec := getParam(0, Params); encdec := getParam(0, Params);
if stringEquals(encdec, 'encode') then begin if stringEquals(encdec, 'encode') then begin
@@ -58,23 +58,23 @@ begin
dec(pinput); dec(pinput);
pinput^ := #0; pinput^ := #0;
result := b64_encode_str(input); result := b64_encode_str(input);
writestringlnWND(result, getTerminalHWND); io.stdio.bufWriteStrLn(stdout_buf, result);
kfree(void(result)); kfree(void(result));
end else if stringEquals(encdec, 'decode') then begin end else if stringEquals(encdec, 'decode') then begin
input := getParam(1, Params); input := getParam(1, Params);
result := b64_decode_str(input); result := b64_decode_str(input);
writestringlnWND(result, getTerminalHWND); io.stdio.bufWriteStrLn(stdout_buf, result);
kfree(void(result)); kfree(void(result));
end else writestringlnWND('Usage: base64 <encode/decode> <text>', getTerminalHWND); end else io.stdio.bufWriteStrLn(stderr_buf, 'Usage: core.enc.base64 <encode/decode> <text>');
end else begin end else begin
writestringlnWND('Usage: base64 <encode/decode> <text>', getTerminalHWND); io.stdio.bufWriteStrLn(stderr_buf, 'Usage: core.enc.base64 <encode/decode> <text>');
end; end;
end; end;
procedure init(); procedure init();
begin begin
tracer.push_trace('base64_prog.init'); debug.tracer.push_trace('base64_prog.init');
terminal.registerCommand('BASE64', @Run, 'Perform Base64 Encode/Decode.'); io.stdio.registerCommand('BASE64', @Run, 'Perform Base64 Encode/Decode.');
end; end;
end. end.
@@ -17,27 +17,27 @@
@author(Kieron Morris <kjm@kieronmorris.me>) @author(Kieron Morris <kjm@kieronmorris.me>)
} }
unit dhclient; unit app.dhclient;
interface interface
uses uses
console, terminal, keyboard, util, strings, tracer, dhcp; io.stdio, core.util, arch.x86.util, core.strings, debug.tracer, driver.net.proto.dhcp;
procedure init(); procedure init();
implementation implementation
procedure run(Params : PParamList); procedure run(Params : PParamList; stdin_buf, stdout_buf, stderr_buf : POutBuf);
begin begin
tracer.push_trace('dhclient.run'); debug.tracer.push_trace('dhclient.run');
DHCPDiscover(); DHCPDiscover();
end; end;
procedure init(); procedure init();
begin begin
tracer.push_trace('dhclient.init'); debug.tracer.push_trace('dhclient.init');
terminal.registerCommand('DHClient', @Run, 'Run the DHCP configuration utility.'); io.stdio.registerCommand('DHClient', @Run, 'Run the DHCP configuration utility.');
end; end;
end. end.
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