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stos: xt: Add flanterm port

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Signed-off-by: Chloe M. <chloe@mensia.org>
This commit is contained in:
Chloe M.
2026-06-22 03:40:17 +00:00
parent 9e98bae25b
commit b2e4f35e9f
9 changed files with 3312 additions and 0 deletions
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paw/stos/xt/flanterm/src/flanterm_backends/fb.c
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paw/stos/xt/flanterm/src/flanterm_backends/fb.h
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/* SPDX-License-Identifier: BSD-2-Clause */
/* Copyright (C) 2022-2026 Mintsuki and contributors.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLANTERM_FB_H
#define FLANTERM_FB_H 1
#include <stdef.h>
#ifdef __cplusplus
extern "C" {
#endif
#include "../flanterm.h"
#ifdef FLANTERM_IN_FLANTERM
#include "fb_private.h"
#endif
#define FLANTERM_FB_ROTATE_0 0
#define FLANTERM_FB_ROTATE_90 1
#define FLANTERM_FB_ROTATE_180 2
#define FLANTERM_FB_ROTATE_270 3
struct flanterm_context *flanterm_fb_init(
/* If _malloc and _free are nulled, use the bump allocated instance (1 use only). */
void *(*_malloc)(USIZE size),
void (*_free)(void *ptr, USIZE size),
ULONG *framebuffer, USIZE width, USIZE height, USIZE pitch,
UCHAR red_mask_size, UCHAR red_mask_shift,
UCHAR green_mask_size, UCHAR green_mask_shift,
UCHAR blue_mask_size, UCHAR blue_mask_shift,
ULONG *canvas, /* If nulled, no canvas. */
ULONG *ansi_colours, ULONG *ansi_bright_colours, /* If nulled, default. */
ULONG *default_bg, ULONG *default_fg, /* If nulled, default. */
ULONG *default_bg_bright, ULONG *default_fg_bright, /* If nulled, default. */
/* If font is null, use default font and font_width and font_height ignored. */
void *font, USIZE font_width, USIZE font_height, USIZE font_spacing,
/* If scale_x and scale_y are 0, automatically scale font based on resolution. */
USIZE font_scale_x, USIZE font_scale_y,
USIZE margin,
/* One of FLANTERM_FB_ROTATE_* values. */
int rotation
);
void flanterm_fb_set_flush_callback(struct flanterm_context *ctx, void (*flush_callback)(volatile void *address, USIZE length));
#ifdef __cplusplus
}
#endif
#endif
paw/stos/xt/flanterm/src/flanterm_backends/fb_private.h
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/* SPDX-License-Identifier: BSD-2-Clause */
/* Copyright (C) 2022-2026 Mintsuki and contributors.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLANTERM_FB_PRIVATE_H
#define FLANTERM_FB_PRIVATE_H 1
#ifndef FLANTERM_IN_FLANTERM
#error "Do not use fb_private.h. Use interfaces defined in fb.h only."
#endif
#include <stdef.h>
#ifdef __cplusplus
extern "C" {
#endif
#define FLANTERM_FB_FONT_GLYPHS 256
struct flanterm_fb_char {
ULONG c;
ULONG fg;
ULONG bg;
};
struct flanterm_fb_queue_item {
USIZE x, y;
struct flanterm_fb_char c;
};
struct flanterm_fb_context {
struct flanterm_context term;
void (*plot_char)(struct flanterm_context *ctx, struct flanterm_fb_char *c, USIZE x, USIZE y);
void (*flush_callback)(volatile void *address, USIZE length);
USIZE font_width;
USIZE font_height;
USIZE glyph_width;
USIZE glyph_height;
USIZE font_scale_x;
USIZE font_scale_y;
USIZE offset_x, offset_y;
volatile ULONG *framebuffer;
USIZE pitch;
USIZE width;
USIZE height;
USIZE bpp;
UCHAR red_mask_size, red_mask_shift;
UCHAR green_mask_size, green_mask_shift;
UCHAR blue_mask_size, blue_mask_shift;
int rotation;
USIZE font_bits_size;
UCHAR *font_bits;
USIZE font_bool_size;
bool *font_bool;
ULONG ansi_colours[8];
ULONG ansi_bright_colours[8];
ULONG default_fg, default_bg;
ULONG default_fg_bright, default_bg_bright;
USIZE canvas_size;
ULONG *canvas;
USIZE grid_size;
USIZE queue_size;
USIZE map_size;
struct flanterm_fb_char *grid;
struct flanterm_fb_queue_item *queue;
USIZE queue_i;
struct flanterm_fb_queue_item **map;
ULONG text_fg;
ULONG text_bg;
USIZE cursor_x;
USIZE cursor_y;
ULONG saved_state_text_fg;
ULONG saved_state_text_bg;
USIZE saved_state_cursor_x;
USIZE saved_state_cursor_y;
USIZE old_cursor_x;
USIZE old_cursor_y;
};
#ifdef __cplusplus
}
#endif
#endif