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#include "kernel.h" // general kernel config & includes
#include "console.h" // this will allow us to write to screen
#include "x86.h"
// TODO: cleanup . how can i compile it without the includes!??
///////
void int_def_handler();
void int_clock_handler();
void int_kb_handler();
void int_floppy_handler();
////////// KERNEL MAIN///// /////
//
// test handler
void int_test_handler()
{
X86_IRQ_BEGIN
scr_put_string("inside software interrupt handler 88");
X86_IRQ_END
}
void kernel_main()
{
// clear console
scr_clear();
// hello message
scr_put_string_nl(KERNEL_HELLO_MESSAGE);
scr_put_string_nl("");
//pit config
//timer_init();
// we know that here the bootloader placed the mamory map!
mem_init(0x7c00+0x140);
// we know that here the bootloader placed the mamory map!
vmem_init();
// init and interrupt decriptor table
int_init(0x08);
int_install();
// setup custom interrupts
// remember that we shifted all interrupts with the pic by 32
// so clock = 32 (irq 0)
// keyboard = 33 (irq 1)
// floppy = 38 (irq 6)
// etc..
// install PIT interrupt handler
int_install_ir(32, 0b10001110, 0x08,&int_clock_handler);
// install keyboard interrupt handler
int_install_ir(33, 0b10001110, 0x08,&int_kb_handler);
// install floppy interrupt handler
int_install_ir(38, 0b10001110, 0x08,&int_floppy_handler);
// install test software interrupt handler
int_install_ir(88, 0b10001110, 0x08,&int_test_handler);
// now we can enable interrupts back again
int_enable();
scr_put_string_nl("interrupts: Interrupts are up and running");
// pci
pci_init();
// floppy
floppy_init();
scr_put_string_nl("");
//init shell
shell_init();
// kernel main loop
while(1)
{
}
}
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