1 files changed, 10 insertions, 0 deletions

diff --git a/include/asm-i386/desc.h b/include/asm-i386/desc.h
index 11e67811a990..9a0b85a52e71 100644
--- a/include/asm-i386/desc.h
+++ b/include/asm-i386/desc.h
@@ -30,6 +30,16 @@ extern struct Xgt_desc_struct idt_descr, cpu_gdt_descr[NR_CPUS];
 #define load_TR_desc() __asm__ __volatile__("ltr %%ax"::"a" (GDT_ENTRY_TSS*8))
 #define load_LDT_desc() __asm__ __volatile__("lldt %%ax"::"a" (GDT_ENTRY_LDT*8))
 
+#define load_gdt(dtr) __asm__ __volatile("lgdt %0"::"m" (*dtr))
+#define load_idt(dtr) __asm__ __volatile("lidt %0"::"m" (*dtr))
+#define load_tr(tr) __asm__ __volatile("ltr %0"::"mr" (tr))
+#define load_ldt(ldt) __asm__ __volatile("lldt %0"::"mr" (ldt))
+
+#define store_gdt(dtr) __asm__ ("sgdt %0":"=m" (*dtr))
+#define store_idt(dtr) __asm__ ("sidt %0":"=m" (*dtr))
+#define store_tr(tr) __asm__ ("str %0":"=mr" (tr))
+#define store_ldt(ldt) __asm__ ("sldt %0":"=mr" (ldt))
+
 /*
  * This is the ldt that every process will get unless we need
  * something other than this.