1d1087fe8SMitchell HorneFreeBSD Kernel Source: 2d1087fe8SMitchell Horne---------------------- 3d1087fe8SMitchell Horne 4d1087fe8SMitchell HorneThis directory contains the source files and build glue that make up the FreeBSD 5d1087fe8SMitchell Hornekernel and its modules, including both original and contributed software. 6d1087fe8SMitchell Horne 7*9e0dcd0aSMitchell HorneKernel configuration files are located in the `conf/` subdirectory of each 8*9e0dcd0aSMitchell Hornearchitecture. `GENERIC` is the configuration used in release builds. `NOTES` 9*9e0dcd0aSMitchell Hornecontains documentation of all possible entries. `LINT` is a compile-only 10*9e0dcd0aSMitchell Horneconfiguration used to maximize build coverage and detect regressions. 11*9e0dcd0aSMitchell Horne 12d1087fe8SMitchell HorneSource Roadmap: 13d1087fe8SMitchell Horne--------------- 14d1087fe8SMitchell Horne| Directory | Description | 15d1087fe8SMitchell Horne| --------- | ----------- | 1639701338SMitchell Horne| amd64 | AMD64 (64-bit x86) architecture support | 1739701338SMitchell Horne| arm | 32-bit ARM architecture support | 1839701338SMitchell Horne| arm64 | 64-bit ARM (AArch64) architecture support | 1939701338SMitchell Horne| cam | Common Access Method storage subsystem - `cam(4)` and `ctl(4)` | 2039701338SMitchell Horne| cddl | CDDL-licensed optional sources such as DTrace | 2139701338SMitchell Horne| conf | kernel build glue | 2239701338SMitchell Horne| compat | Linux compatibility layer, FreeBSD 32-bit compatibility | 2339701338SMitchell Horne| contrib | 3rd-party imported software such as OpenZFS | 2439701338SMitchell Horne| crypto | crypto drivers | 2539701338SMitchell Horne| ddb | interactive kernel debugger - `ddb(4)` | 2639701338SMitchell Horne| fs | most filesystems, excluding UFS, NFS, and ZFS | 27d1087fe8SMitchell Horne| dev | device drivers | 2839701338SMitchell Horne| gdb | kernel remote GDB stub - `gdb(4)` | 2939701338SMitchell Horne| geom | GEOM framework - `geom(4)` | 3039701338SMitchell Horne| i386 | i386 (32-bit x86) architecture support | 31d1087fe8SMitchell Horne| kern | main part of the kernel | 3239701338SMitchell Horne| libkern | libc-like and other support functions for kernel use | 3339701338SMitchell Horne| modules | kernel module infrastructure | 3439701338SMitchell Horne| net | core networking code | 3539701338SMitchell Horne| net80211 | wireless networking (IEEE 802.11) - `net80211(4)` | 3639701338SMitchell Horne| netgraph | graph-based networking subsystem - `netgraph(4)` | 3739701338SMitchell Horne| netinet | IPv4 protocol implementation - `inet(4)` | 3839701338SMitchell Horne| netinet6 | IPv6 protocol implementation - `inet6(4)` | 3939701338SMitchell Horne| netipsec | IPsec protocol implementation - `ipsec(4)` | 4039701338SMitchell Horne| netpfil | packet filters - `ipfw(4)`, `pf(4)`, and `ipfilter(4)` | 4139701338SMitchell Horne| opencrypto | OpenCrypto framework - `crypto(7)` | 4239701338SMitchell Horne| powerpc | PowerPC/POWER (32 and 64-bit) architecture support | 4339701338SMitchell Horne| riscv | 64-bit RISC-V architecture support | 4439701338SMitchell Horne| security | security facilities - `audit(4)` and `mac(4)` | 45d1087fe8SMitchell Horne| sys | kernel headers | 4639701338SMitchell Horne| tests | kernel unit tests | 4739701338SMitchell Horne| ufs | Unix File System - `ffs(7)` | 4839701338SMitchell Horne| vm | virtual memory system | 49d1087fe8SMitchell Horne| x86 | code shared by AMD64 and i386 architectures | 50