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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"
#include "interrupts.h"
#include "pic.h"
#include "anna.h"
void init()
{
letters_init();
heap_init();
set_font_size(2);
#define MMAP for (MemRegion *mreg = (void *) 0x500; mreg->start != nil; mreg++)
// backup memory map
usize n_mreg = 0;
MMAP n_mreg++;
MemRegion mregs[n_mreg];
{
usize i = 0;
MMAP mregs[i++] = *mreg;
}
// setup paging
MMAP page_region(mreg);
page_region(&(MemRegion) {
.start = (void *) (u64) gfx_info->framebuffer,
.size = gfx_info->pitch * gfx_info->height,
.used = MEM_RESERVED,
});
// heap init
MMAP heap_add_region(mreg);
// gfx init
gfx_set_area(0, 0, gfx_info->width, gfx_info->height, 0xFF000000);
// 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");
}
// memory map
print("memory map:\n");
for (usize i = 0; i < n_mreg; i++) {
print_num((u64) mregs[i].start, 16, 16);
print(" | ");
print_num((u64) mregs[i].start + mregs[i].size, 16, 16);
print(" | ");
print_num(mregs[i].used, 10, 0);
print("\n");
}
init_interrupts();
pic_init();
uwu();
// unmask_irq(IRQ_PIT);
enable_irqs();
halt();
}
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