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include: one folder per subsystem, and includes that name it

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Sixty-five headers sat side by side in include/, so `#include "irq.h"`
said nothing about where irq.h was or what it belonged to, and errno.h,
stat.h and fcntl.h at the top shadowed the system's for any host tool
built with -I./include. They are in folders now -- arch/ core/ fs/
dev/ gfx/ net/ uapi/ (and ldls/ for the Linux driver layer) -- and
every include names the folder, as Linux's do: "core/proc.h".

Done mechanically and checked the hard way: the kernel built from this
tree disassembles identically to the one built from the tree before
it. The full image boots, and userland is the same set of programs.
Paths in docs and comments follow; docs/guides/layout.md has a table
of what is where, and tools/fix-includes.py rewrites old-style
includes from the folders in the tree, for code written before this.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01S1giNvrHTrPMPw7V6x1kQ4
This commit is contained in:
Nexoniarz 2026-10-23 15:05:12 +02:00
commit a1c965da1e
267 changed files with 1560 additions and 1440 deletions
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46
kernel/core/console.c
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@ -1,25 +1,25 @@
#include <stdarg.h>
#include "types.h"
#include "defs.h"
#include "klog.h"
#include "dbg.h"
#include "vt.h"
#include "kbd.h" /* KBD_VT_SWITCH -- the terminal-switch chords */
#include "gfx.h"
#include "theme.h"
#include "irq.h"
#include "param.h"
#include "traps.h"
#include "errno.h"
#include "spinlock.h"
#include "sleeplock.h"
#include "fs.h"
#include "file.h"
#include "memlayout.h"
#include "mmu.h"
#include "proc.h"
#include "posix.h"
#include "x86.h"
#include "core/types.h"
#include "core/defs.h"
#include "core/klog.h"
#include "core/dbg.h"
#include "dev/vt.h"
#include "dev/kbd.h" /* KBD_VT_SWITCH -- the terminal-switch chords */
#include "gfx/gfx.h"
#include "gfx/theme.h"
#include "core/irq.h"
#include "core/param.h"
#include "arch/traps.h"
#include "uapi/errno.h"
#include "core/spinlock.h"
#include "core/sleeplock.h"
#include "fs/fs.h"
#include "fs/file.h"
#include "arch/memlayout.h"
#include "arch/mmu.h"
#include "core/proc.h"
#include "uapi/posix.h"
#include "arch/x86.h"
void consputc(int);
// Set by panic() once the crash screen has been painted: after that, consputc
@ -268,7 +268,7 @@ consputc(int c)
// Every kernel message passes through here, which is what makes this the
// one hook the log needs: cprintf, panic's report, a driver's complaint at
// three in the morning. See include/klog.h.
// three in the morning. See include/core/klog.h.
klog_putc(c);
// Held back from the screen and the wire, kept in the log. See kinfo().
@ -584,7 +584,7 @@ consoleintr(int (*getc)(void))
// three-byte character, so a reader decoding UTF-8 swallowed the next two
// keys waiting for continuations that never came -- every arrow key
// corrupted the two keystrokes after it. The keycodes now sit above
// U+10FFFF where nothing can collide with them; see include/kbd.h.
// U+10FFFF where nothing can collide with them; see include/dev/kbd.h.
//
// What a terminal sends is `ESC [ A`, and what makes zsh's line editor
// work is receiving that. The sequences below are the DEC/xterm ones that