72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
#include <kernel/tty.h>
|
|
#include <kernel/idt.h>
|
|
#include <kernel/elf.h>
|
|
#include <kernel/pic.h>
|
|
#include <kernel/heap.h>
|
|
#include <kernel/task.h>
|
|
#include <kernel/paging.h>
|
|
|
|
#include <debugging.h>
|
|
|
|
/* Check if the compiler thinks you are targeting the wrong operating system. */
|
|
#if defined(__linux__)
|
|
#error "You are not using a cross-compiler, you will most certainly run into trouble"
|
|
#endif
|
|
|
|
uint8_t program[] = {
|
|
0xcd, 0x80, // int $0x80
|
|
0xff, 0xe1, // jmp *%ecx
|
|
};
|
|
|
|
uint8_t data1[] = "Hello From Userspace 1\n\0";
|
|
uint8_t data2[] = "Hello 2\n\0";
|
|
|
|
uint8_t kernel_data[] = "Hello From Kernelspace\n\0";
|
|
// uint8_t data[] = {};
|
|
|
|
void kernel_main(void)
|
|
{
|
|
asm("cli");
|
|
/* Initialize terminal interface */
|
|
terminal_initialize();
|
|
terminal_writestring("Hello from Kernelspace\n");
|
|
|
|
idt_init();
|
|
init_pic();
|
|
heap_init();
|
|
|
|
setup_tasks();
|
|
setup_paging();
|
|
|
|
terminal_writestring("Woaw\n");
|
|
|
|
struct Heap_Block* code_block_1;
|
|
struct Heap_Block* data_block_1;
|
|
|
|
alloc_page(2, &code_block_1);
|
|
alloc_page(2, &data_block_1);
|
|
|
|
struct Heap_Block* code_block_2;
|
|
struct Heap_Block* data_block_2;
|
|
|
|
alloc_page(2, &code_block_2);
|
|
alloc_page(2, &data_block_2);
|
|
|
|
// set_page_table_entry(0, code_page);
|
|
// set_page_table_entry(0x00400000, data_page);
|
|
|
|
run_program(program, sizeof(program), data1, sizeof(data1), code_block_1, data_block_1);
|
|
run_program(program, sizeof(program), data2, sizeof(data2), code_block_2, data_block_2);
|
|
|
|
asm("sti");
|
|
|
|
int i = 0;
|
|
while (true) {
|
|
i += 1;
|
|
if (i == 1 << 1) {
|
|
asm("mov $0, %%ecx; int $0x80" :: "a" (kernel_data), "b" (sizeof(kernel_data)));
|
|
i = 0;
|
|
}
|
|
}
|
|
}
|