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-rw-r--r--include/efi_loader.h5
-rw-r--r--lib/efi_loader/efi_image_loader.c46
2 files changed, 51 insertions, 0 deletions
diff --git a/include/efi_loader.h b/include/efi_loader.h
index f2942fbb2b..17f9d3d1ef 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -308,6 +308,10 @@ efi_status_t efi_setup_loaded_image(
struct efi_device_path *file_path);
efi_status_t efi_load_image_from_path(struct efi_device_path *file_path,
void **buffer);
+/* Print information about a loaded image */
+efi_status_t efi_print_image_info(struct efi_loaded_image *image, void *pc);
+/* Print information about all loaded images */
+void efi_print_image_infos(void *pc);
#ifdef CONFIG_EFI_LOADER_BOUNCE_BUFFER
extern void *efi_bounce_buffer;
@@ -425,6 +429,7 @@ static inline void efi_restore_gd(void) { }
static inline void efi_set_bootdev(const char *dev, const char *devnr,
const char *path) { }
static inline void efi_net_set_dhcp_ack(void *pkt, int len) { }
+static inline void efi_print_image_infos(void *pc) { }
#endif /* CONFIG_EFI_LOADER && !CONFIG_SPL_BUILD */
diff --git a/lib/efi_loader/efi_image_loader.c b/lib/efi_loader/efi_image_loader.c
index 74c6a9f921..f5885760d4 100644
--- a/lib/efi_loader/efi_image_loader.c
+++ b/lib/efi_loader/efi_image_loader.c
@@ -22,6 +22,52 @@ 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;
+/*
+ * Print information about a loaded image.
+ *
+ * If the program counter is located within the image the offset to the base
+ * address is shown.
+ *
+ * @image: loaded image
+ * @pc: program counter (use NULL to suppress offset output)
+ * @return: status code
+ */
+efi_status_t efi_print_image_info(struct efi_loaded_image *image, void *pc)
+{
+ if (!image)
+ return EFI_INVALID_PARAMETER;
+ printf("UEFI image");
+ printf(" [0x%p:0x%p]",
+ image->reloc_base, image->reloc_base + image->reloc_size - 1);
+ if (pc && pc >= image->reloc_base &&
+ pc < image->reloc_base + image->reloc_size)
+ printf(" pc=0x%zx", pc - image->reloc_base);
+ if (image->file_path)
+ printf(" '%pD'", image->file_path);
+ printf("\n");
+ return EFI_SUCCESS;
+}
+
+/*
+ * Print information about all loaded images.
+ *
+ * @pc: program counter (use NULL to suppress offset output)
+ */
+void efi_print_image_infos(void *pc)
+{
+ struct efi_object *efiobj;
+ struct efi_handler *handler;
+
+ list_for_each_entry(efiobj, &efi_obj_list, link) {
+ list_for_each_entry(handler, &efiobj->protocols, link) {
+ if (!guidcmp(handler->guid, &efi_guid_loaded_image)) {
+ efi_print_image_info(
+ handler->protocol_interface, pc);
+ }
+ }
+ }
+}
+
static efi_status_t efi_loader_relocate(const IMAGE_BASE_RELOCATION *rel,
unsigned long rel_size, void *efi_reloc)
{