+ struct boot_status status;
+
+ status.type = type;
+ status.message = message;
+ status.progress = -1;
+ status.detail = NULL;
+
+ fn(arg, &status);
+}
+
+int boot(void *ctx, struct discover_boot_option *opt, struct boot_command *cmd,
+ int dry_run, boot_status_fn status_fn, void *status_arg)
+{
+ char *local_image, *local_initrd;
+ unsigned int clean_image = 0;
+ unsigned int clean_initrd = 0;
+ struct pb_url *image, *initrd;
+ char *args;
+ int result;
+
+ local_initrd = NULL;
+ image = NULL;
+ initrd = NULL;
+ args = NULL;
+
+ if (cmd && cmd->boot_image_file) {
+ image = pb_url_parse(opt, cmd->boot_image_file);
+ } else if (opt && opt->boot_image) {
+ image = opt->boot_image->url;
+ } else {
+ pb_log("%s: no image specified", __func__);
+ return -1;
+ }
+
+ if (cmd && cmd->initrd_file) {
+ initrd = pb_url_parse(opt, cmd->initrd_file);
+ } else if (opt && opt->initrd) {
+ initrd = opt->initrd->url;
+ }
+
+ if (cmd && cmd->boot_args) {
+ args = talloc_strdup(ctx, cmd->boot_args);
+ } else if (opt && opt->option->boot_args) {
+ args = talloc_strdup(ctx, opt->option->boot_args);
+ }
+
+ result = -1;
+
+ update_status(status_fn, status_arg, BOOT_STATUS_INFO,
+ "loading kernel");
+ local_image = load_url(NULL, image, &clean_image);
+ if (!local_image) {
+ update_status(status_fn, status_arg, BOOT_STATUS_ERROR,
+ "Couldn't load kernel image");
+ goto no_load;
+ }
+
+ if (initrd) {
+ update_status(status_fn, status_arg, BOOT_STATUS_INFO,
+ "loading initrd");
+ local_initrd = load_url(NULL, initrd, &clean_initrd);
+ if (!local_initrd) {
+ update_status(status_fn, status_arg, BOOT_STATUS_ERROR,
+ "Couldn't load initrd image");
+ goto no_load;
+ }
+ }
+
+ update_status(status_fn, status_arg, BOOT_STATUS_INFO,
+ "performing kexec_load");
+
+ result = kexec_load(local_image, local_initrd, args, dry_run);
+
+ if (result) {
+ update_status(status_fn, status_arg, BOOT_STATUS_ERROR,
+ "kexec load failed");
+ }
+
+no_load:
+ if (clean_image)
+ unlink(local_image);
+ if (clean_initrd)
+ unlink(local_initrd);
+
+ talloc_free(local_image);
+ talloc_free(local_initrd);
+
+ if (!result) {
+ update_status(status_fn, status_arg, BOOT_STATUS_INFO,
+ "performing kexec reboot");
+
+ result = kexec_reboot(dry_run);
+
+ if (result) {
+ update_status(status_fn, status_arg, BOOT_STATUS_ERROR,
+ "kexec reboot failed");
+ }
+ }