Verify that user-provided microcode is loaded first

tests/check-uefi.c

@@ -535,6 +535,91 @@ START_TEST(bootman_uefi_initrd_freestandings_ucode)
 }
 END_TEST
 
+START_TEST(bootman_uefi_initrd_freestandings_ucode_user)
+{
+ autofree(BootManager) *m = NULL;
+ autofree(char) *path_initrd = NULL;
+ autofree(char) *ucode_initrd = NULL;
+ autofree(char) *user_ucode_initrd = NULL;
+ char *initrd_name = "00-initrd";
+ char *ucode_initrd_name = "00-ucode.cpio";
+ char *user_ucode_initrd_name = "my-ucode.cpio";
+
+ m = prepare_playground(&uefi_config);
+ fail_if(!m, "Failed to prepare update playground");
+
+ path_initrd = string_printf("%s%s/%s",
+ PLAYGROUND_ROOT,
+ INITRD_DIRECTORY,
+ initrd_name);
+
+ ucode_initrd = string_printf("%s%s/%s",
+ PLAYGROUND_ROOT,
+ INITRD_DIRECTORY,
+ ucode_initrd_name);
+
+ user_ucode_initrd = string_printf("%s%s/%s",
+ PLAYGROUND_ROOT,
+ USER_INITRD_DIRECTORY,
+ user_ucode_initrd_name);
+
+ /* Have to create this directory ourselves; file_set_text() won't do it */
+ fail_if(!nc_mkdir_p(PLAYGROUND_ROOT "/" USER_INITRD_DIRECTORY, 00755), "Failed to create user initrd dir");
+
+ file_set_text(path_initrd, "Placeholder initrd");
+ file_set_text(ucode_initrd, "Placeholder ucode initrd");
+ file_set_text(user_ucode_initrd, "Placeholder user ucode initrd");
+ /* Validate image install */
+ boot_manager_set_image_mode(m, true);
+ fail_if(!boot_manager_enumerate_initrds_freestanding(m), "Failed to find freestanding initrd");
+
+ fail_if(!check_freestanding_initrds_available(m, initrd_name), "Failed reading from initrd path");
+ fail_if(!boot_manager_update(m), "Failed to update image");
+ fail_if(!check_initrd_file_exist(m, initrd_name), "Failed copying initrd file");
+ fail_if(!check_initrd_file_exist(m, ucode_initrd_name), "Failed copying ucode initrd file");
+ fail_if(!check_initrd_file_exist(m, user_ucode_initrd_name), "Failed copying user ucode initrd file");
+
+ /*
+ * Check whether the microcode (ucode) initrd is first in the list in
+ * the loader config files
+ */
+ for (int k = 0; k < uefi_config.n_kernels; k++) {
+ autofree(char) *conf_file = NULL;
+ autofree(char) *conf_path = NULL;
+ autofree(char) *config = NULL;
+ conf_file = string_printf("Clear-linux-%s-%s-%d.conf",
+ uefi_config.initial_kernels[k].ktype,
+ uefi_config.initial_kernels[k].version,
+ uefi_config.initial_kernels[k].release);
+ conf_path = string_printf("%s/%s",
+ BOOT_FULL "/loader/entries",
+ conf_file);
+
+ if (file_get_text(conf_path, &config)) {
+ autofree(char) *key = NULL;
+ autofree(char) *exp = NULL;
+ char *found = NULL;
+
+ key = string_printf("initrd");
+
+ found = strstr(config, key);
+ fail_if(!found, "No initrd definitions found in %s:\n%s", conf_file, config);
+
+ exp = string_printf("%s /efi/%s/freestanding-%s\n",
+ key, KERNEL_NAMESPACE, user_ucode_initrd_name);
+
+ /*
+ * We only want to compare this entry, not the rest of
+ * the config
+ */
+ fail_if(0 != strncmp(found, exp, strlen(exp)),
+ "First initrd entry in config %s was not user's microcode (%s):\n%s",
+ conf_file, user_ucode_initrd_name, config);
+ }
+ }
+}
+END_TEST
+
 
 /**
  * Ensure all blobs are removed for garbage collected kernels
@@ -684,6 +769,7 @@ static Suite *core_suite(void)
  tcase_add_test(tc, bootman_uefi_set_kernel);
  tcase_add_test(tc, bootman_uefi_set_kernel_missing);
  tcase_add_test(tc, bootman_uefi_initrd_freestandings_ucode);
+ tcase_add_test(tc, bootman_uefi_initrd_freestandings_ucode_user);
  suite_add_tcase(s, tc);
 
  /* Tests without kernel modules */