Map BIOS ROM and VRAM

2024-03-24 15:53:36 +01:00 · 2024-03-24 15:53:36 +01:00 · b3be36e23d
commit b3be36e23d
parent 74b2c80869
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,
        }
    }

+    /* Map BIOS ROM and VRAM */
+    Status = BlMapVirtualMemory(PageMap, NULL, (PVOID)0xA0000, 0x60, LoaderFirmwarePermanent);
+    if(Status != STATUS_EFI_SUCCESS)
+    {
+        /* Mapping failed */
+        return Status;
+    }
+
    /* Store next valid virtual address and return success */
    *MemoryMapAddress = VirtualAddress;
    return STATUS_EFI_SUCCESS;