void main(struct multiboot_info *mbinfo, uint32_t kernel_end_addr)
{
int i;
unsigned char buffer[512];
//void * listaA[200];
gdt_init();
idt_init();
irq_init();
isrs_init();
mm_init((mbinfo->low_mem + mbinfo->high_mem +1024)*1024,kernel_end_addr);
int kernelSize = kernel_end_addr - KERNEL_BASE_ADDR;
multiboot_memory_map_t *mmap_ptr = (multiboot_memory_map_t*) mbinfo->mmap_addr;
multiboot_memory_map_t *mmap_end = (multiboot_memory_map_t*) (mbinfo->mmap_addr + mbinfo->mmap_length);
while (mmap_ptr < mmap_end) {
if (mmap_ptr->type == MULTIBOOT_MEMORY_AVAILABLE) {
uint32_t region_base_addr = (uint32_t) (mmap_ptr->addr & 0xffffffff);
uint32_t region_size = (uint32_t) (mmap_ptr->len & 0xffffffff);
mm_mark_region_unused(region_base_addr, region_size);
}
mmap_ptr = (multiboot_memory_map_t*) ((uint32_t) mmap_ptr + mmap_ptr->size + sizeof (uint32_t));
}
mm_mark_region_used(KERNEL_BASE_ADDR, kernelSize + mm_get_bitmap_size());
// malloc con cantidad pequeña
/* for ( int i = 0 ; i<10 ; i ++)
{
void * prueba1 = malloc(8);
kprintf("\nesta en la direccion:%p ",prueba1);
}
//malloc se pasa de un frame
for ( int i = 0 ; i<175 ; i ++)
{
listaA[i] = malloc(16);
kprintf("\nesta en la direccion:%p ",listaA[i]);
}
free(listaA[15]);
listaA[175] = malloc(16);
kprintf("\nesta en la direccion:%p ",listaA[175]);
*/
InicializarEstructuraFat();
__asm__ __volatile__("sti");
clear_screen();
irq_install_handler(1,keyboard_handler);
//
typedef void (*call_module_t)(unsigned);
/* ... */
char buffer2[1024];
if(mbinfo->mods_count>0){
// for(int numberModule=0; numberModule<mbinfo->mods_count;numberModule){
uint32_t mod_start =((uint32_t) mbinfo->mods_addr[0].modStart);
call_module_t start_program = (call_module_t) mod_start;
start_program(mod_start);
//}
}
}
void kernel_main(uint32_t mb_addr, uint32_t mb_magic)
{
if(mb_magic != MULTIBOOT_BOOTLOADER_MAGIC)
{
kprintf(PANIC,"Wrong Bootloader Magic\n");
for(;;);
}
multiboot_info_t* mb_info = (multiboot_info_t*)mb_addr;
vbe_info_t* vbe_info = (vbe_info_t *)(mb_info->vbe_mode_info);
uint32_t top = mb_info->mem_upper;
uint32_t bot = mb_info->mem_lower;
uint32_t mem = top+bot;
clear_console();
char version[20];
get_version(version);
kp("Welcome to ZOS v%s",version);
kp("System Information");
kp(" Booting Flag: 0x%x",mb_info->flags);
if(check_flag(mb_info->flags,0))
kp(" Available Memory: %d KB / %d MB",mem,mem/1024);
if(check_flag(mb_info->flags,1))
kp(" Booting Device: 0x%x",mb_info->boot_device);
if(check_flag(mb_info->flags,2))
{
if(strlen((char*)mb_info->cmdline)>1)
kp(" Booting Command: %s",(char*)mb_info->cmdline);
}
if(check_flag(mb_info->flags,3))
{}
if(check_flag(mb_info->flags,4))
{}
if(check_flag(mb_info->flags,5))
kernel_elf = elf_from_multiboot(mb_info);
if(check_flag(mb_info->flags,6))
{
/*
multiboot_memory_map_t *mmap;
kp ("mmap_addr = 0x%x, mmap_length = 0x%x",
(unsigned) mb_info->mmap_addr, (unsigned) mb_info->mmap_length);
for (mmap = (multiboot_memory_map_t *) mb_info->mmap_addr;
(unsigned long) mmap < mb_info->mmap_addr + mb_info->mmap_length;
mmap = (multiboot_memory_map_t *) ((unsigned long) mmap
+ mmap->size + sizeof (mmap->size)))
{
kp (" size = 0x%x, base_addr = 0x%x%x,"
" length = 0x%x%x, type = 0x%x",
(unsigned) mmap->size,
mmap->addr >> 32,
mmap->addr & 0xffffffff,
mmap->len >> 32,
mmap->len & 0xffffffff,
(unsigned) mmap->type);
}
*/
}
gdt_init(); /* Global Descriptor Table */
idt_init(); /* Interrupt Descriptor Table */
isrs_init(); /* Interrupt Service Requests */
irq_init(); /* Hardware Interrupt Requests */
open_serial_output();
timer_init();
paging_init(mem);
heap_init();
keyboard_init();
//pci_init();
kp("login: "******"Welcome to ZOS\n",
"Hello!\n",
"abcdefghijklmnopqrstuvwxyz1234567890\n",
0
};
for(int i=0;i!=3;i++)
{
for(int j = 0;j!=strlen(str[i]);j++)
{
gfx_print(str[i][j]);
}
}
void render(window_t* win)
{
}
void update(window_t* win)
{
surface_fill(win->surface,0,rgb(255,255,255));
key_event_t* head;
int len;
keyboard_event_get(&head,&len);
for(int i=0;i!=len;i++)
{
key_event_t* eve = head+i;
if(eve->type == KEY_DOWN)
{
gfx_print(eve->character);
}
}
keyboard_event_clear();
rect_t trect = {0,0,720,20};
for(int i=0;i!=24;i++)
{
if(strlen(gfx_con_buf[i]))
{
surface_t* surf = font_render(gfx_con_buf[i],col);
surface_blend(surf,0,win->surface,&trect);
surface_free(surf);
}
trect.y += 20;
}
}
