From 017c5fc7d9379831b0bc9bfea73262e47f152cb3 Mon Sep 17 00:00:00 2001
From: Gunnar Beutner <gbeutner@serenityos.org>
Date: Thu, 17 Jun 2021 19:27:05 +0200
Subject: [PATCH] Kernel: Move super_pages section into the bottom 16MB

This ensures that pages returned by
MM.allocate_supervisor_physical_page() have a physical address that
is in the bottom 16MB and can thus be used by the SB16 driver for DMA.

Fixes #8092.
---
 Kernel/linker.ld | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/Kernel/linker.ld b/Kernel/linker.ld
index fcc4eee9337..3e67248404b 100644
--- a/Kernel/linker.ld
+++ b/Kernel/linker.ld
@@ -8,10 +8,19 @@ SECTIONS
 
     start_of_kernel_image = .;
 
-    .text ALIGN(4K) : AT (ADDR(.text) - KERNEL_VIRTUAL_BASE)
+    .boot ALIGN(4K) : AT (ADDR(.boot) - KERNEL_VIRTUAL_BASE)
     {
         $<TARGET_OBJECTS:boot>
         *(.multiboot)
+    }
+
+    .super_pages ALIGN(4K) : AT (ADDR(.super_pages) - KERNEL_VIRTUAL_BASE)
+    {
+        *(.super_pages)
+    }
+
+    .text ALIGN(4K) : AT (ADDR(.text) - KERNEL_VIRTUAL_BASE)
+    {
         start_of_kernel_text = .;
 
         start_of_safemem_text = .;
@@ -70,8 +79,6 @@ SECTIONS
 
         . = ALIGN(4K);
         *(.heap)
-        . = ALIGN(4K);
-        *(.super_pages)
     }
 
     end_of_kernel_image = .;