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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 "config.h"
#include <stdint.h>
#include "asm/asm.h"
#include "lib/logger/log.h"
#include "lib/buffer/ringbuffer.h"
#include "smp.h"
#include "timer.h"
#include "spinlock.h"
#include "syscalls.h"
#include "mem.h"
#include "vmem.h"
#include "interrupts.h"
#include "acpi.h"
#include "mp.h"
#include "keyboard.h"
#include "console.h"
#include "fs/fs.h"
#include "fs/ext2.h"
#include "task.h"
// mp informs us if this if this is the main processor
void kernel_main(uint32_t initial_stack, int mp)
{
//
// Memory Init
//
// after this is set up we will be able to allocate and deallocate
// blocks of physical memory :)
//
// we know that here, the bootloader placed the memory map and
// the number of entries.
//
mem_init(0xa001,*((uint16_t *)(0xa000)));
//
// Configuring the PIT timer.
//
timer_init();
//
// Activate Virtual Memory (paging)
//
vmem_init();
//
// init output to screen
//
console_init();
// log buffered messages to console
log_log();
//
// Setup PIC (interrupts)
//
pic_setup();
// mouse and kb driver init (before interrupts)
// mouse_init();
keyboard_init();
//
// Setup Interrupts (code segment: 0x08)
//
int_init(0x08);
//
// Gather Info about other processors. (APs)
// 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!");
*/
// init spinlocks
init_spinlocks();
// ringbuffer for stdin!
ringbuffer_init();
// load and run foolshell
// we will come back into the kernel only on interrupts...
asm("mov $0x05bff,%esp"); // set stack pointer
syscall_execve("/bin/foolshell",0,0);
//
// Start the other Processors (also before paging for some reason!)
//
//smp_log_procdata(&procdata);
//smp_start_aps(&procdata,0x80000); // starts at 0x80000
// but it will be copied over mbr
//
// 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
//
// For now this starts three "tasks" which are scheduled
// round robin style.
//
//task_init();
// Just hang around here, if its reached.
// we do our tasks anyway. on the next clock tick.
// while(1);
}
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