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) {