From 57260ebb621b1b5c29fc6d976ca781394d5be501 Mon Sep 17 00:00:00 2001
From: Adrien Bourmault <neox@os-k.eu>
Date: Wed, 6 Mar 2019 09:05:24 +0100
Subject: [PATCH] Revert "LONG MODE MULTIBOOT WORKS gsp!"

This reverts commit 995fda7c569a5996377275886183d5b15911ec2f.
---
 boot/loader/loader.asm         |   1 -
 boot/loader/mem/management.inc |   7 -------
 boot/loader/mem/structures.inc |   4 ++--
 build/obj/boot/loader.bin      | Bin 20612 -> 12649 bytes
 4 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/boot/loader/loader.asm b/boot/loader/loader.asm
index 2040668..09b565b 100644
--- a/boot/loader/loader.asm
+++ b/boot/loader/loader.asm
@@ -108,7 +108,6 @@ lnext:
 %include "boot/loader/mem/structures.inc"
 lnext2:
     call Setup_paging
-    call Go64
     jmp lnext3
 %include "boot/loader/mem/management.inc"
 
diff --git a/boot/loader/mem/management.inc b/boot/loader/mem/management.inc
index 48ff4cc..3634666 100644
--- a/boot/loader/mem/management.inc
+++ b/boot/loader/mem/management.inc
@@ -57,8 +57,6 @@ Setup_paging:
 ;    Enable long mode and paging                                               ;
 ; ---------------------------------------------------------------------------- ;
 Go64:
-    pusha
-
     ;; Registering paging
     mov eax, PML4_table
     mov cr3, eax                    ; Load PML4 to cr3
@@ -80,10 +78,5 @@ Go64:
                                     ;     |
                                     ;     `------ Paging bit
     mov cr0, eax
-    jmp .end
-    nop
-    nop
-.end:
 
-    popa
     ret
diff --git a/boot/loader/mem/structures.inc b/boot/loader/mem/structures.inc
index 4947b9d..31e98b4 100644
--- a/boot/loader/mem/structures.inc
+++ b/boot/loader/mem/structures.inc
@@ -26,7 +26,7 @@
 [BITS 32]
 
 ;; GDT WITH DOC
-ALIGN 4096
+ALIGN 4
 GDT64:
         NULL_SELECTOR:    ;; null selector within 64 bits
                         dw  GDT_LENGTH      ; limit of GDT
@@ -104,7 +104,7 @@ GDT64:
     GDT_LENGTH:
 
 ;; EMPTY PAGE TABLES (identity of the first 1GiB)
-ALIGN 4096
+ALIGN 4
 PML4_table:
     resb 4096
 PDP_table:
diff --git a/build/obj/boot/loader.bin b/build/obj/boot/loader.bin
index 1b1f11896fe51199cc124b80b5c4c94d9415d1f8..faf31098a145ef011cb83636a3ffd826bcb67367 100644
GIT binary patch
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