/**************************************************************************
* Control arrives here from assembly/start.asm
***************************************************************************/
void k_main() {
initialize_video();
initialize_boot_console();
// Print the welcome banner
kset_color(DEFAULT_COLOR);
kprintf("Welcome To ");
kset_color(LIGHT_BLUE);
kprintf("Blue Fire OS.\n");
kset_color(DEFAULT_COLOR);
kprintf("Kernel is running at virtual address: %#010x\n", (u32int)&_start);
kprintf("Total System memory is: %d MB\n", (var_system_memory_amount /(1024 * 1024)) );
dump_dirty_pages();
initialize_paging();
initialize_main_console();
dbg_brk();
// We must never reach this point.
PANIC("End of k_main reached.");
}
void eqraos_screen() {
kclear(0x13);
kgoto_xy(0,0);
kset_color(0x3F);
kputs(" eqraOS v0.1 ");
//kgoto_xy(0,1);
//kputs(" Ahmad Essam [[email protected]] ");
kgoto_xy(0,24);
kset_color(0x3F);
kputs(" ");
kgoto_xy(0,3);
}
void pmm_demo() {
kset_color(0x12);
uint32_t* b1 = (uint32_t*)pmm_alloc();
uint32_t* b2 = (uint32_t*)pmm_allocs(2);
kprintf("b1 allocataed 1 block at 0x%x: \n",b1);
kprintf("b2 allocataed 2 blocks at 0x%x: \n",b2);
pmm_dealloc(b1);
b1 = (uint32_t*)pmm_alloc();
kprintf("b1 re-allocataed at 0x%x: \n",b1);
pmm_dealloc(b1);
pmm_deallocs(b2,2);
}
// This example add code for Paging and Virtul Memory Managment, but not use it !
int _cdecl main(multiboot_info* boot_info)
{
mem_info_init(boot_info);
eqraos_screen();
kset_color(GRAY_ON_BLUE);
kputs("eqraOS kernel executed\n");
mem_info_dump_size();
mem_info_dump_region();
hal_init();
enable_irq();
execption_init();
mem_info_blocks_stat();
return 0;
}
void _cdecl kernel_panic(const char* msg,...) {
disable_irq();
va_list args;
va_start(args,msg);
/* missing */
va_end(args);
char* panic = "\nSorry, eqraOS has encountered a problem and has been shutdown.\n\n";
kclear(0x1f);
kgoto_xy(0,0);
kset_color(0x1f);
kputs(panic);
kprintf("*** STOP: %s",msg);
/* hang */
for (;;) ;
}
