diff --git a/sdk/xtdk/ketypes.h b/sdk/xtdk/ketypes.h
index 7cb6ba4..4e966e5 100644
--- a/sdk/xtdk/ketypes.h
+++ b/sdk/xtdk/ketypes.h
@@ -187,6 +187,7 @@ typedef enum _MODE
 typedef enum _SYSTEM_RESOURCE_TYPE
 {
     SystemResourceInvalid,
+    SystemResourceAcpi,
     SystemResourceFrameBuffer
 } SYSTEM_RESOURCE_TYPE, *PSYSTEM_RESOURCE_TYPE;
 
@@ -518,6 +519,13 @@ typedef struct _SYSTEM_RESOURCE_HEADER
     BOOLEAN Acquired;
 } SYSTEM_RESOURCE_HEADER, *PSYSTEM_RESOURCE_HEADER;
 
+/* ACPI system resource structure definition */
+typedef struct _SYSTEM_RESOURCE_ACPI
+{
+    SYSTEM_RESOURCE_HEADER Header;
+    PVOID ApicBase;
+} SYSTEM_RESOURCE_ACPI, *PSYSTEM_RESOURCE_ACPI;
+
 /* FrameBuffer system resource structure definition */
 typedef struct _SYSTEM_RESOURCE_FRAMEBUFFER
 {
diff --git a/xtoskrnl/ke/sysres.c b/xtoskrnl/ke/sysres.c
index 605a4d9..64bc820 100644
--- a/xtoskrnl/ke/sysres.c
+++ b/xtoskrnl/ke/sysres.c
@@ -118,6 +118,10 @@ KepInitializeSystemResources(VOID)
             /* Basic resource type validation */
             switch(ResourceHeader->ResourceType)
             {
+                case SystemResourceAcpi:
+                    /* ACPI system resource */
+                    ResourceSize = sizeof(SYSTEM_RESOURCE_ACPI);
+                    break;
                 case SystemResourceFrameBuffer:
                     /* FrameBuffer system resource */
                     ResourceSize = sizeof(SYSTEM_RESOURCE_FRAMEBUFFER);