Cleaning up and commenting

2017-11-18 16:23:22 +01:00
parent ab1a471857
commit 83f81b9a74
3 changed files with 23 additions and 3 deletions
--- a/src/kernel/boot/boot.S
+++ b/src/kernel/boot/boot.S
@@ -54,17 +54,24 @@ _start:
  mov ds, eax
  mov es, eax

+  //; Jump to kernel address space
  movabs rax, offset upper_memory
  jmp rax

  upper_memory:

+  //; Move stack pointer to kernel space
  mov rax, KERNEL_OFFSET
  add rsp, rax

+  //; Remove identity mapping
  mov rax, 0
  movabs [BootP4], rax

+  //; Jump to kmain()
 .extern kmain
  movabs rax, offset kmain
-  jmp rax
+  call rax
+
+  hlt
+  jmp $