From 98d97703f4dee72eddb786b424a740f9115f67a8 Mon Sep 17 00:00:00 2001
From: Philipp Oppermann <dev@phil-opp.com>
Date: Thu, 13 Apr 2017 17:57:33 +0200
Subject: [PATCH] Calculate start and end of kernel and multiboot struct

---
 src/lib.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 23c0fb9..4c9185e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -36,6 +36,13 @@ pub extern fn rust_main(multiboot_information_address: usize) {
             section.addr, section.size, section.flags);
     }
 
+    let kernel_start = elf_sections_tag.sections().map(|s| s.addr)
+        .min().unwrap();
+    let kernel_end = elf_sections_tag.sections().map(|s| s.addr + s.size)
+        .max().unwrap();
+    let multiboot_start = multiboot_information_address;
+    let multiboot_end = multiboot_start + (boot_info.total_size as usize);
+
     loop{}
 }