Refactor boot_info.h and related files for improved abstraction and consistency. Updated function signatures to use generic types, replaced UEFI-specific types with kernel types, and enhanced documentation for clarity. Adjusted kernel entry point and service wrappers to align with new structure.

memory.c

@@ -3,7 +3,7 @@
  *
  * Implements three layers:
  *   PMM    – bitmap-based physical page-frame allocator backed by a
- *            16 MB pool obtained from UEFI at boot.
+ *            16 MB pool obtained from the loader at boot.
  *   Paging – walks and creates 4-level x86-64 page tables; supports
  *            map, unmap, and virtual-to-physical translation.
  *   Heap   – first-fit free-list allocator with block splitting and
@@ -62,8 +62,8 @@ static BOOLEAN pmm_test_bit(UINTN idx)
  */
 void pmm_init(BootInfo *Boot)
 {
-    EFI_STATUS Status;
-    EFI_PHYSICAL_ADDRESS pool_addr = 0;
+    KSTATUS Status;
+    UINT64 pool_addr = 0;
     UINTN i;
 
     /* Zero the bitmap – all pages start free */
@@ -77,9 +77,9 @@ void pmm_init(BootInfo *Boot)
     }
 
     Status = Boot->alloc_pages(PMM_POOL_PAGES, &pool_addr);
-    if (EFI_ERROR(Status)) {
-        SAFE_PRINT(Boot, L"PMM: failed to allocate pool (%d pages): %r\n\r",
-                   (UINTN)PMM_POOL_PAGES, Status);
+    if (Status != 0) {
+        SAFE_PRINT(Boot, L"PMM: failed to allocate pool (%d pages), status=%ld\n\r",
+                   (UINTN)PMM_POOL_PAGES, (UINT64)Status);
         return;
     }