void kernel_main() {
gdt_install();
idt_install();
isrs_install();
irq_install();
terminal_initialize();
memory_manager_init();
enable_interrupts();
timer_install();
keyboard_install();
shell_init();
terminal_writestring("Hello, kernel World!\n");
terminal_writestring("Here is some text in a new line\n");
terminal_writestring("Here is some more text\n");
terminal_writestring("Here is a new line\n");
terminal_writestring("Here is some text after terminal scroll\n");
char str[] = "A string";
char ch = 'c';
int integer = 45;
printf("This is a test for printf.\nThis is a char %c and this a string %s\n", ch, str);
printf("This is an int %d. This is the same in hex %x\n", integer, integer);
for (size_t i = 0; i < 5; i++) {
printf("This is line number %d\n", i);
}
puts("waiting for 2 sec\n");
timer_wait(2);
puts("waiting complete\n");
char buffer[200];
gets(buffer);
printf("%s\n", buffer);
while(1) {
shell();
}
}
int main(int argc, char *argv[]) {
clock_t begin, end;
float time_spent;
int items = 1000;
double size = 64;
if ( argc != 2 ) {
return 0;
} else if (atoi(argv[1]) == 1) {
memory_manager_init();
begin = clock();
for (int i = 0; i < items; ++i) {
void *l = memory_manager_allocate(size);
memory_manager_free(l);
size++;
}
end = clock();
time_spent = ((float)(begin - end)) / CLOCKS_PER_SEC;
printf("custom time: %lf \n", time_spent);
memory_manager_shutdown();
} else if (atoi(argv[1]) == 2) {
begin = clock();
for (int i = 0; i < items; ++i) {
void *l = remalloc(size);
free(l);
size++;
}
end = clock();
time_spent = ((float)(begin - end)) / CLOCKS_PER_SEC;
printf("malloc time: %lf \n", time_spent);
}
return 0;
}
