charcuterie-osdev.org

Introduction
Basic Information

[Introduction](https://wiki.osdev.org/Introduction)
[Required Knowledge](https://wiki.osdev.org/Required_Knowledge)
[Beginner Mistakes](https://wiki.osdev.org/Beginner_Mistakes)
[Getting Started](https://wiki.osdev.org/Getting_Started)
[How To Ask Questions](https://wiki.osdev.org/How_To_Ask_Questions)
[GCC Cross-Compiler](https://wiki.osdev.org/GCC_Cross-Compiler)
[What Order Should I Make Things In?](https://wiki.osdev.org/What_Order_Should_I_Make_Things_In%3F)
[Licensing](https://wiki.osdev.org/Licensing)
[Tutorials](https://wiki.osdev.org/Tutorials)
[Frequently Asked Questions](https://wiki.osdev.org/Category:FAQ)
[more...](https://wiki.osdev.org/Category:OS_Development)
Environment

[How kernel, compiler, and C library work together](https://wiki.osdev.org/How_kernel,_compiler,_and_C_library_work_together)
Using other [Languages](https://wiki.osdev.org/Languages) than C
[UEFI](https://wiki.osdev.org/UEFI) and legacy [BIOS](https://wiki.osdev.org/BIOS) (PC)
[Inline Assembly](https://wiki.osdev.org/Inline_Assembly) (including [examples](https://wiki.osdev.org/Inline_Assembly/Examples))
[Object Files](https://wiki.osdev.org/Object_Files) and relocation

Bare Bones / Baby Steps

[Bare Bones](https://wiki.osdev.org/Bare_Bones) (C and C++)
[Ada Bare Bones](https://wiki.osdev.org/Ada_Bare_Bones)
[C Sharp Bare Bones](https://wiki.osdev.org/C_Sharp_Bare_Bones)
[D Bare Bones](https://wiki.osdev.org/D_Bare_Bones)
[FreeBasic Bare Bones](https://wiki.osdev.org/FreeBasic_Bare_Bones)
[Go Bare Bones](https://wiki.osdev.org/Go_Bare_Bones)
[Pascal Bare Bones](https://wiki.osdev.org/Pascal_Bare_Bones)
[Limine Bare Bones](https://wiki.osdev.org/Limine_Bare_Bones)
[The BabyStep Tutorial](https://wiki.osdev.org/Category:Babystep)
[more...](https://wiki.osdev.org/Category:Bare_bones_tutorials)
Example OS Organization

[Meaty Skeleton](https://wiki.osdev.org/Meaty_Skeleton)

Booting and Setup

[Boot Sequence](https://wiki.osdev.org/Boot_Sequence)
[Diskless Booting](https://wiki.osdev.org/Diskless_Booting)
The [Global Descriptor Table](https://wiki.osdev.org/Global_Descriptor_Table) and a [GDT Tutorial](https://wiki.osdev.org/GDT_Tutorial)
[Interrupts](https://wiki.osdev.org/Interrupts)
[Getting Keyboard Input](https://wiki.osdev.org/PS2_Keyboard)

Testing and Debugging

[Troubleshooting](https://wiki.osdev.org/Troubleshooting)
[Testing](https://wiki.osdev.org/Testing)
[Unit Testing](https://wiki.osdev.org/Unit_Testing)
[How Do I Use A Debugger With My OS](https://wiki.osdev.org/How_Do_I_Use_A_Debugger_With_My_OS)
[Kernel Debugging](https://wiki.osdev.org/Kernel_Debugging)
[more...](https://wiki.osdev.org/Category:Troubleshooting)
Development

[Going Further on x86](https://wiki.osdev.org/Going_Further_on_x86)
[Creating an Operating System](https://wiki.osdev.org/Creating_an_Operating_System)
[Code Management](https://wiki.osdev.org/Code_Management)

Compiler Development

[What's a compiler?](https://wiki.osdev.org/Compiler)
[Making a Compiler (Theory)](https://wiki.osdev.org/Making_a_Compiler)
[Code Generation and Optimization Techniques](https://wiki.osdev.org/index.php?title=Code_Generation_and_Optimization_Techniques&action=edit&redlink=1)
[Implementing Conditional Statements And Loops](https://wiki.osdev.org/Implementing_Conditional_Statements_And_Loops)
[Tail Recursion and Tail Call Optimization](https://wiki.osdev.org/Tail_Recursion_and_Tail_Call_Optimization)
Design Considerations
Kernel Models

[Monolithic Kernel](https://wiki.osdev.org/Monolithic_Kernel)
[Microkernel](https://wiki.osdev.org/Microkernel)
[Exokernel](https://wiki.osdev.org/Exokernel) and related models
[Modular Kernel](https://wiki.osdev.org/Modular_Kernel)
[more...](https://wiki.osdev.org/Kernels)
Task Models

[Monotasking Systems](https://wiki.osdev.org/Monotasking_Systems)
[Multitasking Systems](https://wiki.osdev.org/Multitasking_Systems)
[Real-Time Systems](https://wiki.osdev.org/Real-Time_Systems)
[more...](https://wiki.osdev.org/Category:Task_Models)
Memory and Resource Management

[Memory management](https://wiki.osdev.org/Memory_management) - Overview and Introduction
[Segmentation](https://wiki.osdev.org/Segmentation)
[Paging](https://wiki.osdev.org/Paging)
[Memory Allocation](https://wiki.osdev.org/Memory_Allocation)
[Page Frame Allocation](https://wiki.osdev.org/Page_Frame_Allocation)
[Memory Management Unit](https://wiki.osdev.org/Memory_Management_Unit), or in-depth description of recursive mappings
[File Management](https://wiki.osdev.org/File_Management)
[File Systems](https://wiki.osdev.org/File_Systems)
[more...](https://wiki.osdev.org/Category:Memory_management)
System Calls

[ARM System Calls](https://wiki.osdev.org/ARM_System_Calls)

Scheduling

[Processes and Threads](https://wiki.osdev.org/Processes_and_Threads)
[Context Switching](https://wiki.osdev.org/Context_Switching)
[Scheduling Algorithms](https://wiki.osdev.org/Scheduling_Algorithms)
[Multiprocessor Scheduling](https://wiki.osdev.org/Multiprocessor_Scheduling)
[Blocking Process](https://wiki.osdev.org/Blocking_Process) - processes sleeping and waiting
[more...](https://wiki.osdev.org/Category:Processes_and_Threads)
Process Sychronization

[Synchronization Primitives](https://wiki.osdev.org/Synchronization_Primitives) - Semaphores, mutexes, spinlocks et al.
[Signals](https://wiki.osdev.org/Signals)
[more...](https://wiki.osdev.org/Category:Synchronization)
Inter-Process Communication

[Message Passing](https://wiki.osdev.org/Message_Passing)
[Shared Memory](https://wiki.osdev.org/Shared_Memory)
[Remote Procedure Call](https://wiki.osdev.org/Remote_Procedure_Call)
[more...](https://wiki.osdev.org/Category:IPC)
Resources
[Books](https://wiki.osdev.org/Books) on OS Development
[Academic Papers](https://wiki.osdev.org/Academic_Papers) on theory and design
[Assembly](https://wiki.osdev.org/Assembly)
[Disk Images with preinstalled GRUB](https://wiki.osdev.org/Disk_Images#Images_with_preinstalled_GRUB)
[Deprecated](https://wiki.osdev.org/Deprecated), yet relevant, bits of specifications
[Chip Numbers, Acronyms and Things](https://wiki.osdev.org/Chip_Numbers,_Acronyms_and_Things)
[Resources](https://wiki.osdev.org/Resources)
[more...](https://wiki.osdev.org/Category:Resources)
Tools
Bootloaders

[Bootloader](https://wiki.osdev.org/Bootloader) theory
[GRUB](https://wiki.osdev.org/GRUB)
[Limine](https://wiki.osdev.org/Limine)
[LILO](https://wiki.osdev.org/LILO)
[XOSL](https://wiki.osdev.org/XOSL)
[System Commander](https://wiki.osdev.org/System_Commander)
[Boot Magic](https://wiki.osdev.org/Boot_Magic)
[Rolling Your Own Bootloader](https://wiki.osdev.org/Rolling_Your_Own_Bootloader)
[more...](https://wiki.osdev.org/Category:Bootloaders)
Compilers

[GCC](https://wiki.osdev.org/GCC)
[Cygwin](https://wiki.osdev.org/Cygwin)
[MinGW](https://wiki.osdev.org/MinGW)
[Dev-C++](https://wiki.osdev.org/Dev-C%2B%2B)
[DJGPP](https://wiki.osdev.org/DJGPP)
Building a [GCC Cross-Compiler](https://wiki.osdev.org/GCC_Cross-Compiler)
[Cross-Compiler Successful Builds](https://wiki.osdev.org/Cross-Compiler_Successful_Builds)
[Porting GCC to your OS](https://wiki.osdev.org/Porting_GCC_to_your_OS)
[Calling Conventions](https://wiki.osdev.org/Calling_Conventions)
[System V ABI](https://wiki.osdev.org/System_V_ABI)
[Watcom](https://wiki.osdev.org/Watcom) C/C++
[Visual Studio](https://wiki.osdev.org/Visual_Studio)
[Visual C++ Runtime](https://wiki.osdev.org/Visual_C%2B%2B_Runtime)
[TCC](https://wiki.osdev.org/TCC)
[Smaller C](https://wiki.osdev.org/Smaller_C)
[Other Compilers](https://wiki.osdev.org/Other_Compilers)
[more...](https://wiki.osdev.org/Category:Compilers)
Assemblers

[GAS](https://wiki.osdev.org/GAS) (GNU as, part of binutils)
[FASM](https://wiki.osdev.org/FASM)
[NASM](https://wiki.osdev.org/NASM)
[YASM](https://wiki.osdev.org/YASM)
On the difference between AT&T and Intel [Opcode syntax](https://wiki.osdev.org/Opcode_syntax)
[more...](https://wiki.osdev.org/Category:Assemblers)
Linkers

[LD](https://wiki.osdev.org/LD) (GNU ld, part of binutils)
[Link Archiver](https://wiki.osdev.org/Link_Archiver) (GNU ar, part of binutils)
[Mold](https://wiki.osdev.org/Mold) (Modern Linker)
[more...](https://wiki.osdev.org/Category:Linkers)
Emulators

[Bochs](https://wiki.osdev.org/Bochs)
[QEMU](https://wiki.osdev.org/QEMU)
[Virtual PC](https://wiki.osdev.org/Microsoft_Virtual_PC)
[VMware](https://wiki.osdev.org/VMware)
[VirtualBox](https://wiki.osdev.org/VirtualBox)
[SimICS](https://wiki.osdev.org/SimICS)
[Lingemu](https://wiki.osdev.org/Lingemu)
[more...](https://wiki.osdev.org/Category:Emulators)
Working with Disk Images

[Disk Images](https://wiki.osdev.org/Disk_Images) in general, and ...
[Loopback Device](https://wiki.osdev.org/Loopback_Device) for Linux, *BSD et al.
[hdiutil](https://wiki.osdev.org/Hdiutil) for MacOS X
[Windows Tools](https://wiki.osdev.org/Windows_Tools)
[more...](https://wiki.osdev.org/Category:Disk_Image_Utilities)
Hardware
The [Hardware](https://wiki.osdev.org/Category:Hardware) Category and [linked resources](https://wiki.osdev.org/Resources#Hardware_Specifications)
CPU

General

[Register Machine Model of Computation](https://wiki.osdev.org/Register_Machine_Model_of_Computation)
[Memory Architecture](https://wiki.osdev.org/Memory_Architecture)
[Instruction Set Architecture](https://wiki.osdev.org/Instruction_Set_Architecture)
[Historical Notes on CISC and RISC](https://wiki.osdev.org/Historical_Notes_on_CISC_and_RISC)
[Execution Architecture](https://wiki.osdev.org/Execution_Architecture)
[Multiprocessing Architecture](https://wiki.osdev.org/Multiprocessing_Architecture)
X86
Modes

[Real Mode](https://wiki.osdev.org/Real_Mode)
[Protected Mode](https://wiki.osdev.org/Protected_Mode)
[Virtual 8086 Mode](https://wiki.osdev.org/Virtual_8086_Mode)
[x86-64](https://wiki.osdev.org/X86-64)
Other

[IA32 Architecture Family](https://wiki.osdev.org/IA32_Architecture_Family)
[Model Specific Registers](https://wiki.osdev.org/Model_Specific_Registers) (MSRs)
[Detecting CPU Speed](https://wiki.osdev.org/Detecting_CPU_Speed)
[Inline Assembly/Examples](https://wiki.osdev.org/Inline_Assembly/Examples)
[CPU Bugs](https://wiki.osdev.org/CPU_Bugs)
[SSE](https://wiki.osdev.org/SSE)
[Where Can I Find Information About Ports](https://wiki.osdev.org/Where_Can_I_Find_Information_About_Ports)
CPU Registers ([x86](https://wiki.osdev.org/CPU_Registers_x86), [x86-64](https://wiki.osdev.org/CPU_Registers_x86-64))
[more...](https://wiki.osdev.org/Category:X86_CPU)
ESA/390

[Kernel Barebones](https://wiki.osdev.org/S390_Barebones)
[Program Status Word](https://wiki.osdev.org/Program_Status_Word)
[Processing Storage Area Memory Mapping](https://wiki.osdev.org/PSA_Mapping)
[z/OS DataSet FileSystem](https://wiki.osdev.org/ZDSFS)
[Batch I/O Channel SubSystem](https://wiki.osdev.org/Command_SubSystem)
[more...](https://wiki.osdev.org/Category:S390)
ARM

[ARM Overview](https://wiki.osdev.org/ARM_Overview)
[Raspberry Pi Bare Bones](https://wiki.osdev.org/Raspberry_Pi_Bare_Bones)
Memory

[Detecting Memory (x86)](https://wiki.osdev.org/Detecting_Memory_(x86))
[A20 Line](https://wiki.osdev.org/A20_Line) or "Why can't I access all my memory?"

IRQs and Exceptions, PIC, NMI, APIC, OPIC

[I Can't Get Interrupts Working](https://wiki.osdev.org/I_Can%27t_Get_Interrupts_Working)
The [Interrupt Descriptor Table](https://wiki.osdev.org/Interrupt_Descriptor_Table) and [IDT problems](https://wiki.osdev.org/IDT_problems)
[Interrupt Service Routines](https://wiki.osdev.org/Interrupt_Service_Routines) (ISRs)
[Interrupts](https://wiki.osdev.org/Interrupts)
[Non Maskable Interrupt](https://wiki.osdev.org/Non_Maskable_Interrupt) (NMI)
[APIC](https://wiki.osdev.org/APIC)
[PIC](https://wiki.osdev.org/PIC)
[OPIC](https://wiki.osdev.org/OPIC)
[more...](https://wiki.osdev.org/Category:Interrupts)
Clocks, Timers and Counters

[HPET](https://wiki.osdev.org/HPET)
[APIC timer](https://wiki.osdev.org/APIC_timer) (per-processor timer)
[Programmable Interval Timer](https://wiki.osdev.org/Programmable_Interval_Timer) (PIT)
The [CMOS](https://wiki.osdev.org/CMOS) clock, and its [RTC](https://wiki.osdev.org/RTC) chip
[Detecting CPU Speed](https://wiki.osdev.org/Detecting_CPU_Speed)

Video

[Accelerated Graphic Cards](https://wiki.osdev.org/Accelerated_Graphic_Cards)
[Native Intel graphics](https://wiki.osdev.org/Native_Intel_graphics)
[Detecting Colour and Monochrome Monitors](https://wiki.osdev.org/Detecting_Colour_and_Monochrome_Monitors)?
[Printing To Screen](https://wiki.osdev.org/Printing_To_Screen) in Protected Mode
[Text Mode Cursor](https://wiki.osdev.org/Text_Mode_Cursor)
[Drawing In a Linear Framebuffer](https://wiki.osdev.org/Drawing_In_a_Linear_Framebuffer)
[Kernel Stdio Theory](https://wiki.osdev.org/Kernel_Stdio_Theory)
[VGA Resources](https://wiki.osdev.org/VGA_Resources) and [VGA Hardware](https://wiki.osdev.org/VGA_Hardware) documentation
Drawing characters in graphics mode using [VGA Fonts](https://wiki.osdev.org/VGA_Fonts)
[Video Signals And Timing](https://wiki.osdev.org/Video_Signals_And_Timing)
How to program Bochs' and QEMU's [BGA](https://wiki.osdev.org/Bochs_VBE_Extensions) graphics device
[more...](https://wiki.osdev.org/Category:Video)
Audio

[Sound](https://wiki.osdev.org/Sound)
[PC Speaker](https://wiki.osdev.org/PC_Speaker)
[Sound Blaster 16](https://wiki.osdev.org/Sound_Blaster_16)
[more...](https://wiki.osdev.org/Category:Sound)
Storage devices

[ATA](https://wiki.osdev.org/Category:ATA) (harddisks)
[ATAPI](https://wiki.osdev.org/ATAPI) (CD-ROM)
[AHCI](https://wiki.osdev.org/AHCI) ([SATA](https://wiki.osdev.org/SATA) native)
[DMA](https://wiki.osdev.org/ISA_DMA)
[NVMe](https://wiki.osdev.org/NVMe)
[Floppy Disk Controller](https://wiki.osdev.org/Floppy_Disk_Controller) (FDC)
[more...](https://wiki.osdev.org/Category:Storage)
Input/Output

[PS/2 Keyboard](https://wiki.osdev.org/PS/2_Keyboard)
[Mouse](https://wiki.osdev.org/Mouse_Input)
[Serial Ports](https://wiki.osdev.org/Serial_Ports) (primarily RS-232)

Plug and Play

[Plug-and-Play](https://wiki.osdev.org/Plug-and-Play) (PNP)
[PNP Calls In Protected Mode](https://wiki.osdev.org/PNP_Calls_In_Protected_Mode)

PCI, USB and things like this ...

[PCI](https://wiki.osdev.org/PCI)
[PCI Express](https://wiki.osdev.org/PCI_Express)
[USB](https://wiki.osdev.org/Universal_Serial_Bus)
[more...](https://wiki.osdev.org/Category:Buses)
UEFI

[UEFI](https://wiki.osdev.org/UEFI)
Systems with [broken UEFI implementations](https://wiki.osdev.org/Broken_UEFI_implementations)

[ACPI](https://wiki.osdev.org/ACPI)

ACPI
[RSDP](https://wiki.osdev.org/RSDP)
[AML](https://wiki.osdev.org/AML)
[more...](https://wiki.osdev.org/Category:ACPI)
Network cards and communicating devices

Ethernet and other wired networking:
[3c90x](https://wiki.osdev.org/3c90x)
[Intel 8254x](https://wiki.osdev.org/Intel_8254x)
[Ne2000](https://wiki.osdev.org/Ne2000)
[RTL8139](https://wiki.osdev.org/RTL8139)
[RTL8169](https://wiki.osdev.org/RTL8169)
[Intel Ethernet i217](https://wiki.osdev.org/Intel_Ethernet_i217)
[AMD PCnet](https://wiki.osdev.org/AMD_PCNET)
Wireless Networking:
[802.11](https://wiki.osdev.org/802.11) (WiFi standard)
[more...](https://wiki.osdev.org/Category:Network_Hardware)
Non-x86 Development

[PowerPC](https://wiki.osdev.org/Category:PowerPC)
[MIPS](https://wiki.osdev.org/Category:MIPS)
[Sparc](https://wiki.osdev.org/Category:Sparc)
[ARM](https://wiki.osdev.org/Category:ARM)
[RISC-V](https://wiki.osdev.org/Category:RISC-V)
[more...](https://wiki.osdev.org/Category:Platforms)
Reference Information
Executable File Types

64 bit
[ELF](https://wiki.osdev.org/ELF)
[PE](https://wiki.osdev.org/PE)
[COFF](https://wiki.osdev.org/COFF)
32 bit
[ELF](https://wiki.osdev.org/ELF)
[PE](https://wiki.osdev.org/PE)
[COFF](https://wiki.osdev.org/COFF)
16 bit
[COM](https://wiki.osdev.org/COM)
[MZ](https://wiki.osdev.org/MZ)
[NE](https://wiki.osdev.org/NE)
[more...](https://wiki.osdev.org/Category:Executable_Formats)
Filesystems

[FAT Details](https://wiki.osdev.org/FAT)
[Ext2 Details](https://wiki.osdev.org/Ext2)
[SFS Details](https://wiki.osdev.org/SFS)
[NTFS Details](https://wiki.osdev.org/NTFS)

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