static int efi_execute_image(const char *file)
{
efi_handle_t handle;
efi_loaded_image_t *loaded_image;
efi_status_t efiret;
struct linux_kernel_header *image_header;
const char *options;
int ret;
ret = efi_load_image(file, &loaded_image, &handle);
if (ret)
return ret;
image_header = (struct linux_kernel_header *)loaded_image->image_base;
if (image_header->boot_flag == 0xAA55 &&
image_header->header == 0x53726448) {
pr_debug("Linux kernel detected. Adding bootargs.");
options = linux_bootargs_get();
pr_err("add linux options '%s'\n", options);
loaded_image->load_options = xstrdup_char_to_wchar(options);
loaded_image->load_options_size =
(strlen(options) + 1) * sizeof(wchar_t);
}
efiret = BS->start_image(handle, NULL, NULL);
if (EFI_ERROR(efiret))
pr_err("failed to StartImage: %s\n", efi_strerror(efiret));
BS->unload_image(handle);
efi_connect_all();
efi_register_devices();
return -efi_errno(efiret);
}
static int efi_execute_image(const char *file)
{
void *exe;
size_t size;
efi_handle_t handle;
efi_status_t efiret;
const char *options;
efi_loaded_image_t *loaded_image;
exe = read_file(file, &size);
if (!exe)
return -EINVAL;
efiret = BS->load_image(false, efi_parent_image, efi_device_path, exe, size,
&handle);
if (EFI_ERROR(efiret)) {
pr_err("failed to LoadImage: %s\n", efi_strerror(efiret));
return -efi_errno(efiret);;
};
efiret = BS->open_protocol(handle, &efi_loaded_image_protocol_guid,
(void **)&loaded_image,
efi_parent_image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
if (EFI_ERROR(efiret))
return -efi_errno(efiret);
options = linux_bootargs_get();
loaded_image->load_options = strdup_char_to_wchar(options);
loaded_image->load_options_size = (strlen(options) + 1) * sizeof(wchar_t);
efiret = BS->start_image(handle, NULL, NULL);
efi_connect_all();
efi_register_devices();
return 0;
}
