From c7aa4d882ff6b1eb1e3c19bdfd772057817ff10c Mon Sep 17 00:00:00 2001
From: ian <ian>
Date: Sat, 8 Jul 2023 00:02:21 +0000
Subject: kernel/amd64: Abstract architecture specifics

git-svn-id: https://svn.vegaa.systems/svn/vega-Vega/trunk@9 a8a8aea2-181d-ee11-89e8-15fd0e089fc4
---
 sys/include/sys/machdep.h | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

(limited to 'sys/include')

diff --git a/sys/include/sys/machdep.h b/sys/include/sys/machdep.h
index 5f2112c..f98b123 100644
--- a/sys/include/sys/machdep.h
+++ b/sys/include/sys/machdep.h
@@ -39,9 +39,35 @@
 
 #if defined(_KERNEL)
 
-struct processor {
+/*
+ * Arch specifics go here
+ * along with an #if defined(...)
+ *
+ * XXX: When porting more architectures this
+ *      may get messy. Figure out a way to
+ *      seperate this into a different header.
+ */
+struct processor_machdep {
+#if defined(__x86_64__)
     struct gdtr      *gdtr;
     struct gdt_entry *gdt;
+#endif      /* defined(__x86_64__) */
+};
+
+/*
+ * Sets arch specifics to their
+ * defaults.
+ */
+#if defined(__x86_64__)
+#define DEFAULT_PROCESSOR_MACHDEP           \
+            {                               \
+                .gdtr = &g_early_gdtr,      \
+                .gdt  = &g_dmmy_gdt[0]      \
+            }
+#endif      /* defined(__x86_64__) */
+
+struct processor {
+    struct processor_machdep machdep;
 };
 
 __weak void processor_init(struct processor *processor);
-- 
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