etext              16 kernel/vm.c    extern char etext[]; // kernel.ld sets this to end of kernel code.
etext              39 kernel/vm.c      kvmmap(kpgtbl, KERNBASE, KERNBASE, (uint64)etext - KERNBASE, PTE_R | PTE_X);
etext              42 kernel/vm.c      kvmmap(kpgtbl, (uint64)etext, (uint64)etext, PHYSTOP - (uint64)etext,