From a7f28c50e1c8f13de365359022336c04195ef4c5 Mon Sep 17 00:00:00 2001
From: Sam Tebbs <samuel.tebbs@gmail.com>
Date: Fri, 19 Apr 2019 21:10:27 +0100
Subject: [PATCH] Add higher half support in linker script

---
 link.ld | 34 ++++++++++++++++++++++++++++------
 1 file changed, 28 insertions(+), 6 deletions(-)

diff --git a/link.ld b/link.ld
index 85aca9f..026236d 100644
--- a/link.ld
+++ b/link.ld
@@ -1,23 +1,45 @@
 ENTRY(_start)
 
+KERNEL_ADDR_OFFSET = 0xC0000000;
+
 SECTIONS {
 	. = 1M;
+	KERNEL_PHYSADDR_START = .;
 
-	.text : ALIGN(4K) {
-		KEEP(*(.multiboot))
+	.rodata.boot : {
+		*(.rodata.boot)
+	}
+
+	.text.boot : {
+		*(.text.boot)
+	}
+
+	. = KERNEL_ADDR_OFFSET;
+	KERNEL_VADDR_START = .;
+
+	.text ALIGN(4K) : AT (ADDR(.text) - KERNEL_ADDR_OFFSET) {
 		*(.text)
 	}
 
-	.rodata : ALIGN(4K) {
+	.rodata ALIGN(4K) : AT (ADDR(.rodata) - KERNEL_ADDR_OFFSET) {
 		*(.rodata)
 	}
 
-	.data : ALIGN(4K) {
+	.data ALIGN(4K) : AT (ADDR(.data) - KERNEL_ADDR_OFFSET) {
 		*(.data)
 	}
 
-	.bss : ALIGN(4K) {
+	.bss ALIGN(4K) : AT (ADDR(.bss) - KERNEL_ADDR_OFFSET) {
 		*(COMMON)
 		*(.bss)
 	}
-}
\ No newline at end of file
+
+	.bss.stack ALIGN(4K) : AT (ADDR(.bss.stack) - KERNEL_ADDR_OFFSET) {
+		*(.bss.stack)
+        KERNEL_STACK_END = .;
+    }
+
+	KERNEL_VADDR_END = .;
+	KERNEL_PHYSADDR_END = . - KERNEL_ADDR_OFFSET;
+
+}