diff --git a/src/hello/hello.d b/src/hello/hello.d
index 4ad3198..f1f4007 100644
--- a/src/hello/hello.d
+++ b/src/hello/hello.d
@@ -399,6 +399,33 @@ private void jump_to_hulk()
             hulk_header().entry, hulk_virt_stack_top());
 }
 
+/**
+ * Find the ACPI XSDT.
+ *
+ * @return Whether it was found.
+ */
+private bool find_acpi_xsdt()
+{
+    for (size_t i = 0u; i < st.NumberOfTableEntries; i++)
+    {
+        if ((st.ConfigurationTable[i].VendorGuid == EFI_ACPI_TABLE_GUID) ||
+            (st.ConfigurationTable[i].VendorGuid == ACPI_TABLE_GUID))
+        {
+            enum ulong rsdp_magic = 0x20525450_20445352u;
+            const(EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER) * rdsp = cast(const(EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER) *)st.ConfigurationTable[i].VendorTable;
+            if (rdsp.Signature == rsdp_magic)
+            {
+                if (rdsp.Revision >= EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION)
+                {
+                    bootinfo().acpi_xsdt_phys = rdsp.XsdtAddress;
+                    return true;
+                }
+            }
+        }
+    }
+    return false;
+}
+
 /**
  * EFI application entry point.
  *
@@ -414,6 +441,13 @@ extern (C) EFI_STATUS efi_main(EFI_HANDLE image_handle, EFI_SYSTEM_TABLE * st)
     console.writeln("Welcome to HELLO, HOS EFI Lightweight LOader, v0.1.0");
     console.writeln("Firmware vendor: '%S', version: 0x%x", st.FirmwareVendor, st.FirmwareVendor);
 
+    if (!find_acpi_xsdt())
+    {
+        console.writeln("Error: Could not locate ACPI XSDT");
+        console.wait_key();
+        return EFI_SUCCESS;
+    }
+
     bootinfo().pt_phys = cast(ulong)scratch.current();
 
     if (!set_graphics_mode())
diff --git a/src/hulk/bootinfo.d b/src/hulk/bootinfo.d
index f6c415f..3c4cfb5 100644
--- a/src/hulk/bootinfo.d
+++ b/src/hulk/bootinfo.d
@@ -73,4 +73,7 @@ struct BootInfo
 
     /* Size of page tables while jumping to HULK. */
     ulong pt_size;
+
+    /* Physical address of ACPI XSDT table. */
+    ulong acpi_xsdt_phys;
 }