include: one folder per subsystem, and includes that name it
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
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267 changed files with 1560 additions and 1440 deletions
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@ -1,16 +1,16 @@
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#include "types.h"
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#include "x86.h"
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#include "defs.h"
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#include "kbd.h"
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#include "posix.h"
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#include "vt.h" /* NVT -- how many terminals the chords reach */
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#include "input.h"
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#include "keymap.h"
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#include "core/types.h"
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#include "arch/x86.h"
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#include "core/defs.h"
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#include "dev/kbd.h"
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#include "uapi/posix.h"
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#include "dev/vt.h" /* NVT -- how many terminals the chords reach */
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#include "dev/input.h"
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#include "dev/keymap.h"
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// The chord, settable at run time through VT_SETCHORD.
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//
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// AltGr+F1..F6 by default. Every other candidate is taken by the host, by
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// applications, or by the keyboard layout -- see include/kbd.h -- and AltGr
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// applications, or by the keyboard layout -- see include/dev/kbd.h -- and AltGr
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// with a function key is taken by none of the three: a Polish layout wants
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// AltGr+*letter*, which still reaches the shell untouched, and no window
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// manager binds AltGr with an F-key.
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@ -172,4 +172,4 @@ kbdintr(void)
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// match, and the only symptom would be a key that does nothing.
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_Static_assert(VTC_SHIFT == SHIFT && VTC_CTRL == CTL &&
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VTC_ALT == ALT && VTC_RALT == RALT,
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"include/posix.h VTC_* must mirror include/kbd.h modifiers");
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"include/uapi/posix.h VTC_* must mirror include/dev/kbd.h modifiers");
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