Added font renderer and terminal emulator

boot/include/config/config.h

@@ -20,10 +20,16 @@
 #ifndef _CONFIG_CONFIG_H
 #define _CONFIG_CONFIG_H
 
+enum {
+	UI_TEXT = 0,
+	UI_MODERN = 1
+};
+
 struct axboot_cfg {
 	// overridable stuff
 	int default_entry;
 	int timeout;
+	int ui_mode;
 
 	int entry_count;
 };
@@ -37,6 +43,10 @@ struct axboot_entry {
 
 void config_init(void);
 
+int config_get_timeout();
+int config_get_default();
 int config_get_entry_count();
+struct axboot_entry *config_get_entries();
+int config_get_ui_mode();
 
 #endif /* _CONFIG_CONFIG_H */

boot/include/print.h

@@ -30,6 +30,6 @@ void debug(const char *fmt, ...);
 
 void printstr(const char *str);
 
-void snprintf(char *buf, size_t size, const char *fmt, ...);
+void snprintf(char *buf, size_t size, const char *fmt, va_list args);
 
 #endif /* _PRINT_H */

boot/include/ui/font.h

@@ -20,6 +20,14 @@
 #ifndef _UI_FONT_H
 #define _UI_FONT_H
 
-void font_init(char *font_path, int initial_size);
+#include <stdbool.h>
+#include <stdint.h>
+
+struct ui_context;
+
+bool font_init(struct ui_context *ctx, char *font_path, int size);
+void font_free(struct ui_context *ctx);
+
+void font_write(struct ui_context *ctx, char *s, uint32_t cx, uint32_t cy);
 
 #endif /* _UI_FONT_H */

boot/include/ui/terminal.h

@@ -0,0 +1,37 @@
+/*********************************************************************************/
+/* Module Name:  terminal.h                                                      */
+/* Project:      AurixOS                                                         */
+/*                                                                               */
+/* Copyright (c) 2024-2025 Jozef Nagy                                            */
+/*                                                                               */
+/* This source is subject to the MIT License.                                    */
+/* See License.txt in the root of this repository.                               */
+/* All other rights reserved.                                                    */
+/*                                                                               */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR    */
+/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,      */
+/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE   */
+/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER        */
+/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
+/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE */
+/* SOFTWARE.                                                                     */
+/*********************************************************************************/
+
+#ifndef _UI_TERMINAL_H
+#define _UI_TERMINAL_H
+
+#include <stdint.h>
+
+struct terminal {
+	uint32_t cx;
+	uint32_t cy;
+
+	int font_size;
+};
+
+struct ui_context;
+
+void terminal_print(struct ui_context *ctx, char *fmt, ...);
+void terminal_setcur(struct ui_context *ui, uint32_t x, uint32_t y);
+
+#endif /* _UI_TERMINAL_H */

boot/include/ui/ui.h

@@ -21,6 +21,21 @@
 #define _UI_UI_H
 
 #include <ui/framebuffer.h>
+#include <ui/terminal.h>
+#include <ui/font.h>
+
+// this is so hacky... but it works
+#ifdef FONT_IMPLEMENTATION
+#include <lib/string.h>
+#include <mm/mman.h>
+
+#define SSFN_memcmp memcmp
+#define SSFN_memset memset
+#define SSFN_realloc mem_realloc
+#define SSFN_free mem_free
+#define SSFN_IMPLEMENTATION
+#endif
+#include <ui/ssfn.h>
 
 #include <stdint.h>
 
@@ -29,6 +44,13 @@ struct ui_context {
 	struct fb_mode *fb_modes;
 	int total_modes;
 	int current_mode;
+	int ui;
+
+	struct terminal terminal;
+
+	ssfn_t font;
+	ssfn_buf_t font_buf;
+	char *font_file;
 };
 
 void ui_init();