]> git.ipfire.org Git - people/ms/u-boot.git/blobdiff - lib/efi_loader/efi_image_loader.c
imx: hab: Check if CSF contains deprecated commands
[people/ms/u-boot.git] / lib / efi_loader / efi_image_loader.c
index 3262d76bcac036b2a2f04fc93667c2e3f2e7bca5..cac64ba9fec229f9f1f2fd9b9efb8e31ce7fe5db 100644 (file)
 
 DECLARE_GLOBAL_DATA_PTR;
 
+const efi_guid_t efi_global_variable_guid = EFI_GLOBAL_VARIABLE_GUID;
 const efi_guid_t efi_guid_device_path = DEVICE_PATH_GUID;
 const efi_guid_t efi_guid_loaded_image = LOADED_IMAGE_GUID;
+const efi_guid_t efi_simple_file_system_protocol_guid =
+               EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID;
+const efi_guid_t efi_file_info_guid = EFI_FILE_INFO_GUID;
 
-efi_status_t EFIAPI efi_return_handle(void *handle, efi_guid_t *protocol,
-                       void **protocol_interface, void *agent_handle,
-                       void *controller_handle, uint32_t attributes)
-{
-       *protocol_interface = handle;
-       return EFI_SUCCESS;
-}
-
-static void efi_loader_relocate(const IMAGE_BASE_RELOCATION *rel,
+static efi_status_t efi_loader_relocate(const IMAGE_BASE_RELOCATION *rel,
                        unsigned long rel_size, void *efi_reloc)
 {
        const IMAGE_BASE_RELOCATION *end;
@@ -63,11 +59,13 @@ static void efi_loader_relocate(const IMAGE_BASE_RELOCATION *rel,
                        default:
                                printf("Unknown Relocation off %x type %x\n",
                                       offset, type);
+                               return EFI_LOAD_ERROR;
                        }
                        relocs++;
                }
                rel = (const IMAGE_BASE_RELOCATION *)relocs;
        }
+       return EFI_SUCCESS;
 }
 
 void __weak invalidate_icache_all(void)
@@ -75,6 +73,40 @@ void __weak invalidate_icache_all(void)
        /* If the system doesn't support icache_all flush, cross our fingers */
 }
 
+/*
+ * Determine the memory types to be used for code and data.
+ *
+ * @loaded_image_info  image descriptor
+ * @image_type         field Subsystem of the optional header for
+ *                     Windows specific field
+ */
+static void efi_set_code_and_data_type(
+                       struct efi_loaded_image *loaded_image_info,
+                       uint16_t image_type)
+{
+       switch (image_type) {
+       case IMAGE_SUBSYSTEM_EFI_APPLICATION:
+               loaded_image_info->image_code_type = EFI_LOADER_CODE;
+               loaded_image_info->image_data_type = EFI_LOADER_DATA;
+               break;
+       case IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER:
+               loaded_image_info->image_code_type = EFI_BOOT_SERVICES_CODE;
+               loaded_image_info->image_data_type = EFI_BOOT_SERVICES_DATA;
+               break;
+       case IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER:
+       case IMAGE_SUBSYSTEM_EFI_ROM:
+               loaded_image_info->image_code_type = EFI_RUNTIME_SERVICES_CODE;
+               loaded_image_info->image_data_type = EFI_RUNTIME_SERVICES_DATA;
+               break;
+       default:
+               printf("%s: invalid image type: %u\n", __func__, image_type);
+               /* Let's assume it is an application */
+               loaded_image_info->image_code_type = EFI_LOADER_CODE;
+               loaded_image_info->image_data_type = EFI_LOADER_DATA;
+               break;
+       }
+}
+
 /*
  * This function loads all sections from a PE binary into a newly reserved
  * piece of memory. On successful load it then returns the entry point for
@@ -132,10 +164,12 @@ void *efi_load_pe(void *efi, struct efi_loaded_image *loaded_image_info)
                IMAGE_NT_HEADERS64 *nt64 = (void *)nt;
                IMAGE_OPTIONAL_HEADER64 *opt = &nt64->OptionalHeader;
                image_size = opt->SizeOfImage;
-               efi_reloc = efi_alloc(virt_size, EFI_LOADER_DATA);
+               efi_set_code_and_data_type(loaded_image_info, opt->Subsystem);
+               efi_reloc = efi_alloc(virt_size,
+                                     loaded_image_info->image_code_type);
                if (!efi_reloc) {
-                       printf("%s: Could not allocate %ld bytes\n",
-                               __func__, virt_size);
+                       printf("%s: Could not allocate %lu bytes\n",
+                              __func__, virt_size);
                        return NULL;
                }
                entry = efi_reloc + opt->AddressOfEntryPoint;
@@ -145,10 +179,12 @@ void *efi_load_pe(void *efi, struct efi_loaded_image *loaded_image_info)
                   (nt->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR32_MAGIC)) {
                IMAGE_OPTIONAL_HEADER32 *opt = &nt->OptionalHeader;
                image_size = opt->SizeOfImage;
-               efi_reloc = efi_alloc(virt_size, EFI_LOADER_DATA);
+               efi_set_code_and_data_type(loaded_image_info, opt->Subsystem);
+               efi_reloc = efi_alloc(virt_size,
+                                     loaded_image_info->image_code_type);
                if (!efi_reloc) {
-                       printf("%s: Could not allocate %ld bytes\n",
-                               __func__, virt_size);
+                       printf("%s: Could not allocate %lu bytes\n",
+                              __func__, virt_size);
                        return NULL;
                }
                entry = efi_reloc + opt->AddressOfEntryPoint;
@@ -171,7 +207,11 @@ void *efi_load_pe(void *efi, struct efi_loaded_image *loaded_image_info)
        }
 
        /* Run through relocations */
-       efi_loader_relocate(rel, rel_size, efi_reloc);
+       if (efi_loader_relocate(rel, rel_size, efi_reloc) != EFI_SUCCESS) {
+               efi_free_pages((uintptr_t) efi_reloc,
+                              (virt_size + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT);
+               return NULL;
+       }
 
        /* Flush cache */
        flush_cache((ulong)efi_reloc,