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/*
* Copyright (c) 2025 Ian Marco Moffett and L5 engineers
* All rights reserved.
*
* 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.
* 3. Neither the name of the project nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* 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 OWNER 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 _CONS_CONS_H_
#define _CONS_CONS_H_ 1
#include <sys/types.h>
#include <sys/bootvars.h>
#include <os/spinlock.h>
struct cons_scr {
struct spinlock lock;
struct bootvar_fb fbvars;
size_t text_x;
size_t text_y;
size_t max_col;
size_t max_row;
uint32_t scr_bg;
uint32_t scr_fg;
};
/*
* Represents the root screen used during
* early boot of the system.
*/
extern struct cons_scr g_root_scr;
/*
* Initialize the console to a basic working
* state.
*/
int cons_init(void);
/*
* Write a string onto the screen
*
* @scr: Screen to write on
* @str: String to write onto the screen
* @len: Length of string to write
*
* Returns the number of bytes written on success,
* otherwise a less than zero value to indicate failure.
*/
ssize_t cons_putstr(struct cons_scr *scr, const char *str, size_t len);
#endif /* !_CONS_CONS_H_ */
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