From 0614070cfc2d8906b6deaeea47464c265552b7e2 Mon Sep 17 00:00:00 2001
From: Adrien Bourmault <neox@os-k.eu>
Date: Mon, 1 Apr 2019 23:51:48 +0200
Subject: [PATCH] idt stuff

---
 kaleid/include/kernel/cpu.h | 22 ++++++++++++++++++++++
 kaleid/kernel/cpu/idt.c     | 20 ++++++++++++--------
 2 files changed, 34 insertions(+), 8 deletions(-)

diff --git a/kaleid/include/kernel/cpu.h b/kaleid/include/kernel/cpu.h
index 29ebc8f..b157c3e 100644
--- a/kaleid/include/kernel/cpu.h
+++ b/kaleid/include/kernel/cpu.h
@@ -31,6 +31,11 @@
 
 // -------------------------------------------------------------------------- //
 
+typedef struct IdtDescriptor_t IdtDescriptor_t;
+typedef struct IdtEntry_t IdtEntry_t;
+
+// -------------------------------------------------------------------------- //
+//
 // CPU features masks
 enum {
     FEAT_ECX_SSE3         = 1 << 0,
@@ -92,6 +97,23 @@ enum {
     FEAT_EDX_PBE          = 1 << 31
 };
 
+typedef struct IdtDescriptor_t
+{
+   ushort limit;
+   ulong base;
+} __attribute__((packed));
+
+typedef struct IdtEntry_t
+{
+   ushort baseLow;
+   ushort selector;
+   uchar reservedIst;
+   uchar flags;
+   ushort baseMiddle;
+   uint baseHigh;
+   uint reserved;
+} __attribute__((packed));
+
 // -------------------------------------------------------------------------- //
 #endif
 
diff --git a/kaleid/kernel/cpu/idt.c b/kaleid/kernel/cpu/idt.c
index 469796c..2b76398 100644
--- a/kaleid/kernel/cpu/idt.c
+++ b/kaleid/kernel/cpu/idt.c
@@ -23,16 +23,20 @@
 //----------------------------------------------------------------------------//
 
 
+idtp
+
 //
 // Registers the new idt in the idtr register.
 //
-static inline void lidt(void* idtAddr, ushort size)
+static inline void lidt(IdtDescriptor_t idtDesc)
 {
-    // The IDTR register structure that will be sent
-    struct {
-        ushort length;
-        void*    base;
-    } __attribute__((packed)) IDTR = { size, idtAddr };
-
-    asm volatile( "lidt %0" : : "m"(IDTR) );
+    asm volatile( "lidt %0" : : "m"(idtDesc) );
+}
+
+//
+// Initializes the IDT
+//
+error_t CpuInitIdt(void)
+{
+
 }