separating: there will be libk and libc

drivers/framebuffer.h

@@ -0,0 +1,48 @@
+// Framebuffer driver header
+// Author: xamidev
+// Licensed under the Unlicense. See the repo below.
+// https://github.com/xamidev/blankos
+
+#ifndef FRAMEBUFFER_H
+#define FRAMEBUFFER_H
+
+#include <stdint.h>
+
+extern int scanline;
+
+#define FONT_START _binary_include_fonts_viscii10_8x16_psfu_start 
+#define FONT_END _binary_include_fonts_viscii10_8x16_psfu_start
+
+extern char FONT_START;
+extern char FONT_END;
+uint16_t* unicode;
+#define PIXEL uint32_t
+
+#define USHRT_MAX 10000
+#define PSF1_FONT_MAGIC 0x0436
+
+typedef struct {
+    uint16_t magic; // Magic bytes for identification.
+    uint8_t fontMode; // PSF font mode.
+    uint8_t characterSize; // PSF character size.
+} PSF1_Header;
+
+#define PSF_FONT_MAGIC 0x864ab572
+
+typedef struct {
+    uint32_t magic;         /* magic bytes to identify PSF */
+    uint32_t version;       /* zero */
+    uint32_t headersize;    /* offset of bitmaps in file, 32 */
+    uint32_t flags;         /* 0 if there's no unicode table */
+    uint32_t numglyph;      /* number of glyphs */
+    uint32_t bytesperglyph; /* size of each glyph */
+    uint32_t height;        /* height in pixels */
+    uint32_t width;         /* width in pixels */
+} PSF_font;
+
+void putpixel(uint32_t* fb, int pitch, int bpp, int x, int y, uint32_t color); 
+void draw_char(unsigned short int c, int cx, int cy, uint32_t fg, uint32_t bg);
+void scroll();
+void psf_init();
+
+#endif