SchOS/include/theme.h
Nexoniarz e04ca28812 Rename Schunix to SchOS; the kernel becomes SchIFT
Removes the "-unix" element and with it any trademark exposure to The
Open Group.

The split follows the ecosystem layout: SchOS is the system, and the
kernel has its own name. Kernel-identity strings are the only places
that take SchIFT -- uname(2) sysname, /proc/version, and the two licence
sentences that say "kernel" outright. That is what every Unix does here:
`uname -s` on Linux reports the kernel, not the distribution. Everything
a user reads as the product -- panic screen, boot menu, error prefixes,
docs, LICENSE, NOTICE -- is SchOS.

schunix.img is schos.img, the logo assets and the musl TLS patch are
renamed, and __SCHUNIX__ is __SCHOS__ (the define and the patch that
consumes it moved together).

Two things the rename broke, both found by the bootcheck suite:

  - shmtest wrote "SCHUNIX-MMAP-OK" with a hardcoded length of 15 and
    compared it back by hand-counted offsets (m[3]=='U', m[14]=='K').
    The shorter marker left the write running two bytes past the literal
    and the compare reading past the data, failing a file-backed mmap
    that was working correctly. Now written and compared through one
    constant with sizeof.
  - bootcheck asserted a 31-byte file after appending to
    "hello-from-schunix"; the shorter string makes it 29.

Both are the same mistake: a string literal whose length is written out
somewhere else. Full suite green -- base, Tty, Ps, Sock, Fb, Usb, Evdev.
2026-08-09 14:09:59 +02:00

57 lines
3.1 KiB
C

#pragma once
// SchOS visual identity — one palette, shared by everything that draws.
//
// This header exists because there were three unrelated designs and the seams
// showed. The bootloader splash was deep purple with gold text, deliberately
// matching the *panic* screen; the kernel console was cream with near-black
// text; the panic screen was the purple both were copying. So a normal boot
// looked like a crash, then abruptly became an amber terminal, and none of the
// three looked like the same product.
//
// The rule now: **normal states are calm and dark; only failure is loud.**
// Boot, console and shell share SCH_BG/SCH_FG. The panic screen keeps the
// full-bleed purple entirely to itself, which is what makes it mean something.
//
// Included by boot/stage2main.c (freestanding, pre-kernel), kernel/dev/vga.c,
// kernel/core/console.c and kernel/core/panic.c. Plain #defines only — no
// types, no code — because stage2 is compiled 32-bit against a different
// world than the kernel.
//
// Colours are 0xRRGGBB. vga_draw_pixel packs them for whatever depth the
// framebuffer actually is.
// --- the product ---------------------------------------------------------
// Near-black with a slight blue cast rather than pure #000: pure black on an
// LCD reads as "the machine is off", and every serious platform sits a few
// points above it.
#define SCH_BG 0x0C0E13
#define SCH_FG 0xE6E8EC // primary text
#define SCH_DIM 0x707784 // secondary text, hints, version strings
#define SCH_ACCENT 0x7C5CFF // the one accent: violet, keeping the
// project's purple lineage without the
// eye-searing chroma of the old splash
#define SCH_ACCENT_DIM 0x2A2440 // unused track behind a progress bar
#define SCH_OK 0x4ADE80 // reserved: success states
#define SCH_WARN 0xFBBF24 // reserved: warnings that are not panics
// --- failure -------------------------------------------------------------
// PSOGM. Deliberately unlike anything above, because its whole job is to be
// unmistakable. See kernel/core/panic.c.
//
// These are the values panic.c actually renders. It used to carry a second,
// different set of PSOGM_* defines of its own, so the two disagreed about what
// the crash screen looked like and this header was quietly fiction. There was
// also a PSOGM_TITLE in gold here, left over from a splash design that no
// longer exists -- the screen is one background and two weights of text, on
// purpose, because a crash screen with an accent colour is a crash screen
// someone was enjoying designing.
#define PSOGM_BG 0x4B1D9A // the purple
#define PSOGM_FG 0xFFFFFF // the face, the headline, the values
#define PSOGM_DIM 0xC3AEEC // labels and the closing lines
// The one exception to "two weights of text": the QR card has to be a light
// panel with dark modules, because that is what a scanner needs. It reads as a
// label stuck onto the screen, which is roughly what it is.
#define PSOGM_CARD 0xFFFFFF
#define PSOGM_INK 0x000000