1 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86_64/vm_tophys.c b/arch/x86_64/vm_tophys.c
new file mode 100644
index 0000000..2b16880
--- /dev/null
+++ b/arch/x86_64/vm_tophys.c
@@ -0,0 +1,23 @@
+#include "memory.h"
+#include "boot.h"
+
+uintptr_t
+pm_tovirt(physptr_t phys)
+{
+    if(phys < (1 * GiB))
+        return (uintptr_t)(phys + PHYSMAP_MEMORY_BASE);
+    kpanic("Missing impl for physical addresses > 1GiB (%#016X)\n",
+            phys);
+}
+
+physptr_t
+vm_tophys(uintptr_t virt)
+{
+    return vm_mapping_get(virt).phys;
+}
+
+physptr_t
+vm_tophys_koff(uintptr_t virt)
+{
+    return (virt - _kernel_virtual_base) + boot_kernel_physical_address;
+}