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sys/README.md: source roadmap improvements

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Tweak the existing descriptions slightly. Add entries for several
directories which are not yet documented, but not exhaustively.

Reviewed by:	imp (previous version), emaste
MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D37133
This commit is contained in:
Mitchell Horne 2022-11-01 12:13:31 -03:00
parent d1087fe843
commit 397013385d
1 changed files with 30 additions and 20 deletions
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@ -8,27 +8,37 @@ Source Roadmap:
---------------
| Directory | Description |
| --------- | ----------- |
| amd64 | AMD64 architecture support |
| arm | ARM architecture support |
| arm64 | ARMv8 architecture support |
| cam | `cam(4)` and `ctl(4)` |
| cddl | CDDL-licensed optional sources, including ZFS and DTrace |
| ddb | `ddb(4)` |
| fs | most filesystems |
| amd64 | AMD64 (64-bit x86) architecture support |
| arm | 32-bit ARM architecture support |
| arm64 | 64-bit ARM (AArch64) architecture support |
| cam | Common Access Method storage subsystem - `cam(4)` and `ctl(4)` |
| cddl | CDDL-licensed optional sources such as DTrace |
| conf | kernel build glue |
| compat | Linux compatibility layer, FreeBSD 32-bit compatibility |
| contrib | 3rd-party imported software such as OpenZFS |
| crypto | crypto drivers |
| ddb | interactive kernel debugger - `ddb(4)` |
| fs | most filesystems, excluding UFS, NFS, and ZFS |
| dev | device drivers |
| geom | `geom(4)` |
| i386 | i386 (32 bit) architecture support |
| gdb | kernel remote GDB stub - `gdb(4)` |
| geom | GEOM framework - `geom(4)` |
| i386 | i386 (32-bit x86) architecture support |
| kern | main part of the kernel |
| net80211 | `net80211(4)` |
| netgraph | `netgraph(4)` |
| netinet | `inet(4)` |
| netinet6 | `inet6(4)` |
| netipsec | `ipsec(4)` |
| netpfil | `ipfw(4)` and `pf(4)` |
| opencrypto | `crypto(7)` |
| powerpc | PowerPC/POWER architecture support |
| riscv | RISC-V architecture support |
| security | `audit(4)` and `mac(4)` |
| libkern | libc-like and other support functions for kernel use |
| modules | kernel module infrastructure |
| net | core networking code |
| net80211 | wireless networking (IEEE 802.11) - `net80211(4)` |
| netgraph | graph-based networking subsystem - `netgraph(4)` |
| netinet | IPv4 protocol implementation - `inet(4)` |
| netinet6 | IPv6 protocol implementation - `inet6(4)` |
| netipsec | IPsec protocol implementation - `ipsec(4)` |
| netpfil | packet filters - `ipfw(4)`, `pf(4)`, and `ipfilter(4)` |
| opencrypto | OpenCrypto framework - `crypto(7)` |
| powerpc | PowerPC/POWER (32 and 64-bit) architecture support |
| riscv | 64-bit RISC-V architecture support |
| security | security facilities - `audit(4)` and `mac(4)` |
| sys | kernel headers |
| ufs | Unix File System |
| tests | kernel unit tests |
| ufs | Unix File System - `ffs(7)` |
| vm | virtual memory system |
| x86 | code shared by AMD64 and i386 architectures |