void kernel_init(multiboot_info_t* mb_info, unsigned int magic) {
terminal_initialize();
terminal_writestring("Project Omamori now starting...\n");
gdt_init();
idt_init();
initialize_vmem_allocator();
k_heap_init();
initialize_pageframes(mb_info);
// do global constructor setup
kprintf("Calling global constructors.\n");
size_t *current = (size_t*)((size_t)&__CTOR_LIST__+4); // skip the first function pointer
int n_constructors_called = 1;
while(true) {
if(*current == 0)
break;
//kprintf("Calling constructor %u at address 0x%x.\n", (unsigned long long int)n_constructors_called, ((unsigned long long int)*current) );
void(*func)(void) = (void(*)(void))(*current);
func();
current++;
n_constructors_called++;
}
kprintf("Called %u global constructors.\n", (unsigned long long int)n_constructors_called);
//system_halt;
kprintf("Kernel begins at physical address 0x%x, corresponding to pageframe ID %u.\n", (unsigned long long int)(&kernel_start_phys), (unsigned long long int)(pageframe_get_block_from_addr( (size_t)&kernel_start_phys )) );
kprintf("Kernel ends at physical address 0x%x, corresponding to pageframe ID %u.\n", (unsigned long long int)(&kernel_end_phys), (unsigned long long int)(pageframe_get_block_from_addr( (size_t)&kernel_end_phys )) );
terminal_writestring("\nInitializing PICs.\n");
pic_initialize(PIC_IRQ_OFFSET_1, PIC_IRQ_OFFSET_2);
set_all_irq_status(true);
terminal_writestring("Initializing PIT.\n");
pit_initialize(PIT_DEFAULT_FREQ_DIVISOR);
//system_halt
}
void kernel_main(unsigned long magic,
unsigned long addr)
{
multiboot_info_t *mbi;
if (magic != MULTIBOOT_BOOTLOADER_MAGIC)
return;
mbi = (multiboot_info_t*)addr;
/* kernel init
*/
serial_init(DEBUG_SERIAL_PORT,
DEBUG_SERIAL_SPEED,
UART_8BITS_WORD,
UART_NO_PARITY,
UART_1_STOP_BIT);
cls();
cpu_cli();
printf("[x] interrupts disabled\n");
gdt_initialize();
printf("[x] gdt initialized\n");
idt_initialize();
printf("[x] idt initialized\n");
breakpoint_initialize();
#if defined(USE_APIC)
apic_initialize();
serial_printl("[x] apic initialized\n");
#else
pic_initialize();
serial_printl("[x] pic initialized\n");
#endif /* USE_APIC */
/* initialize the kernel
*/
{
kernel_init(mbi);
}
/* memory initialization
*/
{
phys_init(mbi);
phys_debug();
/* vm_init(); */
/* unit_test_vm(); */
/* cpu_hlt(); */
}
#if defined(USE_PCI)
pci_initialize();
pci_list();
#endif
cpu_sti();
#if defined(USE_TASK)
{
/* subsystems
*/
event_initialize();
sched_initialize();
task_initialize();
/* tasks
*/
idle_initialize();
muksh_initialize();
net_initialize();
/* task_test(); */
/* start scheduling
*/
sched_start();
}
#endif
/* endless loop
*/
serial_printl("[?] kernel loop\n");
while (1)
{
serial_printl("k");
cpu_hlt();
}
}
