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#include "def.h"
#include "paging.h"
#include "gfx.h"
#include "halt.h"
#include "heap.h"
#include "font.h"
#include "letters.h"
void clear_screen(); // framebuffer.asm
void kmain();
void init()
{
clear_screen();
letters_init();
heap_init();
set_font_size(3);
#define MMAP for (MemRegion *mreg = (void *) 0x500; mreg->start != nil; mreg++)
MMAP page_region(mreg);
page_region(&(MemRegion) {
.start = (void *) (u64) gfx_info->framebuffer,
.size = gfx_info->pitch * gfx_info->height,
.used = MEM_RESERVED,
});
MMAP heap_add_region(mreg);
kmain();
halt();
}
void charset_demo()
{
const u8 max = '~' - '!' + 1;
char str[max + 1];
str[max] = '\0';
for (u8 i = 0; i < max; i++)
str[i] = i + '!';
print("charset demo:\n");
print(str);
print("\n");
}
void kmain()
{
gfx_set_area(0, 0, gfx_info->width, gfx_info->height, 0xFF000000);
charset_demo();
print(
"\n"
"#include <stdio.h>\n\n"
"int main()\n{\n"
"\tprintf(\"hello, world\\n\");\n"
"\treturn 0;\n"
"}\n"
"\n"
);
}
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