ptos: bpal: Add bootloader module lookup support

Signed-off-by: Chloe M <chloe@mensia.org>

service/ptos/head/ke/bpal.h

@@ -57,6 +57,17 @@ typedef struct {
     UCHAR BlueMaskShift;
 } BPAL_FRAMEBUFFER;
 
+/*
+ * Bootloader module
+ *
+ * @Data: Data backed by module
+ * @Length: Length of data in bytes
+ */
+typedef struct {
+    VOID *Data;
+    USIZE Length;
+} BPAL_MODULE;
+
 /*
  * Represents a handle for the boot protocol abstraction
  * layer containing data filled in by the bootloader.
@@ -71,6 +82,7 @@ typedef struct {
     VOID *RsdpBase;
     BPAL_FRAMEBUFFER Framebuffer;
     PT_STATUS(*MemEntryIdx)(USIZE Idx, MEMMAP_ENTRY *Result);
+    PT_STATUS(*ModuleLookup)(CHAR *Path, BPAL_MODULE *Result);
 } BPAL_HANDLE;
 
 /*