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#define FOOLOS_MODULE_NAME "kernel"
#ifdef __linux__
#error "Watchout! this is not Linux but FoolOS. Use a cross-compiler"
#endif
#include "kernel.h"
#include <stdint.h>
#include "config.h"
#include "types.h"
#include "lib/logger/log.h"
#include "timer.h"
#include "mem.h"
#include "vmem.h"
#include "mp.h"
#include "interrupts.h"
#include "multiboot.h"
#include <stddef.h>
// for built-in shell
#include "lib/buffer/ringbuffer.h"
#include "task.h"
#include "video/console.h"
#include "multiboot.h"
#include "terminal/vt52.h"
//
// The Foolish structure of Fool OS!
//
static fool_os foolos;
fool_os *get_fool()
{
return &foolos;
}
void kernel_main(uint32_t eax,uint32_t ebx)
{
//
// Setup terminal output
//
term_out screen;
screen.put_char=console_put_char;
screen.update_cursor=update_cursor;
vt52_tty tty=vt52_init(&screen);
get_fool()->tty1=&tty;
//
// Setup terminal input
//
/*
term_in keyboard;
kb.get_char=console_put_char;
screen.update_cursor=update_cursor;
vt52_tty tty=vt52_init(&screen);
get_fool()->tty1=&tty;
*/
//
// PR
//
log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"%s - compiled on %s at %s",KERNEL_VERSION,__DATE__,__TIME__);
//
// Configuring the PIT timer.
//
timer_init();
//
// GDT
//
gdt_setup();
//
// Setup Interrupts (code segment: 0x08)
//
int_init(0x08);
//
// Process Multiboot Header
//
multiboot_information *info=get_multiboot(eax, ebx);
//
// Gather Info about other processors. (APs = application processors)
// ACPI or MP
//
smp_processors procdata;
if(!acpi_find(&procdata))
if(!mp_find(&procdata))
panic(FOOLOS_MODULE_NAME,"ACPI and MP search failed! I do not want to continue!");
//
// Memory Init
//
// after this is set up we will be able to allocate and deallocate
// blocks of physical memory :)
//
uint32_t kernel_blocks=mem_init(info);
//
// Mount Root EXT2 ramimage (needs to be done before other processors started, because of /boot/mp.bin)
//
fs_mount(info);
//
// Start the other Processors (before paging because apic addr etc..?)
//
//TODO: !!! Check commented out sleep ()!!!
smp_log_procdata(&procdata);
smp_start_aps(&procdata,"/boot/mp.bin"); //will be copied over mbr
//
// Activate Virtual Memory (paging)
//
pdirectory *dir=vmem_init(kernel_blocks);
//
// Scan the PCI Bus
//
// We are interested in the E1000 Network Adapter in particular
// Its driver will be hopefully implemented one day ;) TODO
//
//pci_init();
//
// Initialize Multitasking
//
task_init(dir);
//
// Abvoe should never returon
//
panic(FOOLOS_MODULE_NAME,"reached end of kernel.c !!");
}
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