idt stuff

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
 

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)
+{
+
 }