From 9113c143c377876cc750e007e99f76c844bc95e8 Mon Sep 17 00:00:00 2001
From: Robin Krahl <robin.krahl@ireas.org>
Date: Mon, 6 Mar 2017 02:14:29 +0100
Subject: gdt: move assembler code to arch

The assembler code to set the global descriptor table is
architecture-specific and therefore moved to arch.{c,h}.
---
 core/gdt.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

(limited to 'core')

diff --git a/core/gdt.c b/core/gdt.c
index 819262e..708e2c5 100644
--- a/core/gdt.c
+++ b/core/gdt.c
@@ -12,7 +12,9 @@
  * more details.
  */
 
+#include <garmos/arch.h>
 #include <garmos/gdt.h>
+#include <garmos/kernel.h>
 #include <garmos/types.h>
 
 struct gdt_sgmt {
@@ -33,11 +35,6 @@ enum gdt_sgmts {
 
 struct gdt_sgmt gdt[GDT_SGMT_COUNT];
 
-struct gdtp {
-	uint16_t limit;
-	void *pointer;
-} __attribute__((packed));
-
 struct gdtp gdtp = {
 	.limit = GDT_SGMT_COUNT * sizeof(*gdt) - 1,
 	.pointer = gdt,
@@ -69,9 +66,11 @@ static void gdt_sgmt_set(uint32_t base, uint32_t limit, uint8_t access,
 
 void gdt_init(void)
 {
+	ker_dbg("Initializing GDT ...");
+
 	gdt_sgmt_set(0, 0, 0, &gdt[GDT_SGMT_NULL]);
 	gdt_sgmt_set(0, 64 * 1024 * 1024, 0x9A, &gdt[GDT_SGMT_CODE]);
 	gdt_sgmt_set(0, 64 * 1024 * 1024, 0x92, &gdt[GDT_SGMT_NULL]);
 
-	asm volatile("lgdt %0" : : "m" (gdtp));
+	gdtset(gdtp);
 }
-- 
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