Always map first page

2024-03-24 22:52:18 +01:00
parent b3be36e23d
commit ce8c66f93a
1 changed files with 8 additions and 0 deletions
--- a/xtldr/memory.c
+++ b/xtldr/memory.c
@@ -355,6 +355,14 @@ BlMapEfiMemory(IN OUT PXTBL_PAGE_MAPPING PageMap,
        }
    }

+    /* Always map first page */
+    Status = BlMapVirtualMemory(PageMap, NULL, (PVOID)0, 1, LoaderFirmwarePermanent);
+    if(Status != STATUS_EFI_SUCCESS)
+    {
+        /* Mapping failed */
+        return Status;
+    }
+
    /* Map BIOS ROM and VRAM */
    Status = BlMapVirtualMemory(PageMap, NULL, (PVOID)0xA0000, 0x60, LoaderFirmwarePermanent);
    if(Status != STATUS_EFI_SUCCESS)