:: commit ed0c32f20aa1e2f32f55d17497a5b76d77e71b17

mintsuki <mintsuki@protonmail.com> — 2022-08-25 19:50

parents: a89b843673

entry/uefi: Abort if loaded above 4GiB. Fix #206

diff --git a/common/entry.s3.c b/common/entry.s3.c
index 98b18528..24fa2f58 100644
--- a/common/entry.s3.c
+++ b/common/entry.s3.c
@@ -26,6 +26,8 @@
 void stage3_common(void);
 
 #if uefi == 1
+extern symbol __image_base;
+
 noreturn void uefi_entry(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable) {
     gST = SystemTable;
     gBS = SystemTable->BootServices;
@@ -49,6 +51,10 @@ noreturn void uefi_entry(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable)
     init_gdt();
 #endif
 
+    if ((uintptr_t)__image_base > 0x100000000) {
+        panic(false, "Limine does not support being loaded above 4GiB");
+    }
+
     disk_create_index();
 
     boot_volume = NULL;
tab: 248 wrap: offon