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-rw-r--r--src/core/asm.hpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/core/asm.hpp b/src/core/asm.hpp
index 8a931f6..a1d7437 100644
--- a/src/core/asm.hpp
+++ b/src/core/asm.hpp
@@ -21,3 +21,6 @@
#define inb(port,dst) \
asm volatile ("inb %%dx, %%al": "=a" (dst) : "d" (port))
+
+#define lpml4(pml4) \
+ asm volatile ("mov %0, %%rax; mov %%rax, %%cr3":: "r" (pml4))