I'm a newer to oskit.I have some questions about physical memory during startup.
multiboot.S takes the values of mem_lower and mem_upper,how much size mem_upper ? then kern/x86/pc/base_multiboot_init_mem takes the value of phys_mem_max, phys_mem_max is physical memory 's size ? at the same time,I know little about multiboot ,includes multiboot startup.
thanks in advance.