Map the physical page for trampoline code

2025-08-20 20:37:55 +02:00
parent 4a7ea6009d
commit 9f6121e9b2
4 changed files with 23 additions and 0 deletions
--- a/xtldr/arch/i686/memory.c
+++ b/xtldr/arch/i686/memory.c
@@ -90,6 +90,15 @@ BlBuildPageMap(IN PXTBL_PAGE_MAPPING PageMap,
        return Status;
    }

+    /* Map the trampoline code area */
+    Status = BlMapVirtualMemory(PageMap, (PVOID)MM_TRAMPOLINE_ADDRESS,(PVOID)MM_TRAMPOLINE_ADDRESS,
+                                1, LoaderFirmwareTemporary);
+    if(Status != STATUS_EFI_SUCCESS)
+    {
+        /* Mapping trampoline code failed */
+        return Status;
+    }
+
    /* Get list of XTLDR modules */
    ModulesList = BlGetModulesList();
    ModulesListEntry = ModulesList->Flink;