1 files changed, 40 insertions, 0 deletions
diff --git a/arch/x86_64/processor.c b/arch/x86_64/processor.c
new file mode 100644
index 0000000..44d437a
--- /dev/null
+++ b/arch/x86_64/processor.c
@@ -0,0 +1,40 @@
+#include "arch/processor.h"
+#include "arch/cpu.h"
+#include "arch/x86_64/msr.h"
+
+processor_t s_processors[PROCESSOR_MAX];
+processor_t *proc_bsp = &s_processors[0];
+
+extern void x86_64_lgdt(struct XDTR *gdtr);
+extern void x86_64_flush_tss(void);
+extern void x86_64_lidt(struct XDTR *idtr);
+
+extern void gdt_setup(processor_t*);
+extern void tss_setup(processor_t*);
+extern void idt_setup(processor_t*);
+
+void 
+processor_setup(processor_t *proc)
+{
+    gdt_setup(proc);
+    tss_setup(proc);
+    idt_setup(proc);
+
+    x86_64_lgdt(&proc->_gdtr);
+    x86_64_lidt(&proc->_idtr);
+    x86_64_flush_tss();
+
+    msr_gsbase_write((uintptr_t)proc);
+}
+
+processor_t*
+processor_list(void)
+{
+    return s_processors;
+}
+
+processor_t*
+processor_current(void)
+{
+    return (processor_t*)msr_gsbase_read();
+}