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394d998315
At least in neovim, `│vi:` is not recognized as a modeline because it has no preceding whitespace. After fixing this, opening a file yields an error because `net` is not an option. (`noet`, however, is.)
103 lines
4.5 KiB
C
103 lines
4.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set noet ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ This is free and unencumbered software released into the public domain. │
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│ │
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│ Anyone is free to copy, modify, publish, use, compile, sell, or │
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│ distribute this software, either in source code form or as a compiled │
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│ binary, for any purpose, commercial or non-commercial, and by any │
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│ means. │
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│ │
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│ In jurisdictions that recognize copyright laws, the author or authors │
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│ of this software dedicate any and all copyright interest in the │
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│ software to the public domain. We make this dedication for the benefit │
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│ of the public at large and to the detriment of our heirs and │
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│ successors. We intend this dedication to be an overt act of │
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│ relinquishment in perpetuity of all present and future rights to this │
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│ software under copyright law. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, │
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│ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF │
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│ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. │
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│ IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR │
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│ OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, │
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│ ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR │
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│ OTHER DEALINGS IN THE SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/intrin/newbie.h"
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#include "libc/macros.internal.h"
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#include "libc/runtime/mman.internal.h"
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#include "libc/str/str.h"
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#include "libc/vga/vga.internal.h"
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#ifdef __x86_64__
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/*
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* @fileoverview Instantiation of routines for emergency console output in
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* graphical video modes.
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*
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* @see libc/vga/tty-graph.inc
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*/
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#ifndef __llvm__
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#pragma GCC optimize("s")
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#endif
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#define KLOGTTY
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#define MAYUNROLLLOOPS /* do not unroll loops; keep the code small! */
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/* Instantiate output routines for 16-bit pixel formats. */
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#define COLOR uint16_t
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#define BPP 16
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#define MAPCOLOR TtyKlog16MapColor
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#define DIRTY TtyKlog16Dirty
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#define UPDATE _TtyKlog16Update
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#define RESETDIRTY TtyKlog16ResetDirty
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#define DRAWBITMAP TtyKlog16DrawBitmap
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#define FILLRECT TtyKlog16FillRect
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#define MOVERECT TtyKlog16MoveRect
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#define DRAWCHAR _TtyKlog16DrawChar
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#define ERASELINECELLS _TtyKlog16EraseLineCells
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#define MOVELINECELLS _TtyKlog16MoveLineCells
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#include "libc/vga/tty-graph.inc"
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#undef COLOR
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#undef BPP
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#undef MAPCOLOR
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#undef BG
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#undef DIRTY
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#undef UPDATE
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#undef RESETDIRTY
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#undef DRAWBITMAP
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#undef FILLRECT
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#undef MOVERECT
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#undef DRAWCHAR
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#undef ERASELINECELLS
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#undef MOVELINECELLS
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/* Instantiate output routines for 32-bit pixel formats. */
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#define COLOR uint32_t
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#define BPP 32
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#define MAPCOLOR TtyKlog32MapColor
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#define DIRTY TtyKlog32Dirty
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#define UPDATE _TtyKlog32Update
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#define RESETDIRTY TtyKlog32ResetDirty
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#define DRAWBITMAP TtyKlog32DrawBitmap
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#define FILLRECT TtyKlog32FillRect
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#define MOVERECT TtyKlog32MoveRect
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#define DRAWCHAR _TtyKlog32DrawChar
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#define ERASELINECELLS _TtyKlog32EraseLineCells
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#define MOVELINECELLS _TtyKlog32MoveLineCells
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#include "libc/vga/tty-graph.inc"
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static unsigned short klog_y = 0, klog_x = 0;
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void _klog_vga(const char *b, size_t n) {
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struct Tty tty;
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_vga_reinit(&tty, klog_y, klog_x, kTtyKlog);
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_TtyWrite(&tty, b, n);
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klog_y = _TtyGetY(&tty);
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klog_x = _TtyGetX(&tty);
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}
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#endif /* __x86_64__ */
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