BOOT_HOOK_EXIT_UPDATE = 2,
};
-enum boot_process_state {
- BOOT_STATE_INITIAL,
- BOOT_STATE_IMAGE_LOADING,
- BOOT_STATE_INITRD_LOADING,
- BOOT_STATE_DTB_LOADING,
- BOOT_STATE_FINISH,
- BOOT_STATE_UNKNOWN,
-};
-
-
struct boot_task {
struct load_url_result *image;
struct load_url_result *initrd;
struct load_url_result *dtb;
const char *args;
- struct pb_url *image_url, *initrd_url, *dtb_url;
boot_status_fn status_fn;
void *status_arg;
- enum boot_process_state state;
bool dry_run;
};
status.progress = -1;
status.detail = NULL;
+ pb_debug("boot status: [%d] %s\n", type, status.message);
+
fn(arg, &status);
talloc_free(status.message);
free(hooks);
}
+static bool load_pending(struct load_url_result *result)
+{
+ return result && result->status == LOAD_ASYNC;
+}
+
+static int check_load(struct boot_task *task, const char *name,
+ struct load_url_result *result)
+{
+ if (!result)
+ return 0;
+ if (result->status != LOAD_ERROR)
+ return 0;
+
+ update_status(task->status_fn, task->status_arg,
+ BOOT_STATUS_ERROR,
+ "Couldn't load %s", name);
+ return -1;
+}
+
static void cleanup_load(struct load_url_result *result)
{
if (!result)
unlink(result->local);
}
-static void boot_process(struct load_url_result *result, void *data)
+static void boot_process(struct load_url_result *result __attribute__((unused)),
+ void *data)
{
struct boot_task *task = data;
int rc = -1;
- if (task->state == BOOT_STATE_INITIAL) {
- update_status(task->status_fn, task->status_arg,
- BOOT_STATUS_INFO, "loading kernel");
- task->image = load_url_async(task, task->image_url,
- boot_process, task);
- if (!task->image) {
- update_status(task->status_fn, task->status_arg,
- BOOT_STATUS_ERROR,
- "Couldn't load kernel image");
- goto no_load;
- }
- task->state = BOOT_STATE_IMAGE_LOADING;
+ if (load_pending(task->image) ||
+ load_pending(task->initrd) ||
+ load_pending(task->dtb))
return;
- }
-
- if (task->state == BOOT_STATE_IMAGE_LOADING) {
- if (result->status == LOAD_ERROR) {
- update_status(task->status_fn, task->status_arg,
- BOOT_STATUS_ERROR,
- "Error loading kernel image");
- goto no_load;
- }
- task->state = BOOT_STATE_INITRD_LOADING;
-
- if (task->initrd_url) {
- update_status(task->status_fn, task->status_arg,
- BOOT_STATUS_INFO, "loading initrd");
- task->initrd = load_url_async(task, task->initrd_url,
- boot_process, task);
- if (!task->initrd) {
- update_status(task->status_fn, task->status_arg,
- BOOT_STATUS_ERROR,
- "Couldn't load initrd image");
- goto no_load;
- }
- return;
- }
- }
-
- if (task->state == BOOT_STATE_INITRD_LOADING) {
- if (result->status) {
- update_status(task->status_fn, task->status_arg,
- BOOT_STATUS_ERROR,
- "Error loading initrd");
- goto no_load;
- }
- task->state = BOOT_STATE_DTB_LOADING;
-
- if (task->dtb_url) {
- update_status(task->status_fn, task->status_arg,
- BOOT_STATUS_INFO,
- "loading device tree");
- task->dtb = load_url_async(task, task->dtb_url,
- boot_process, task);
- if (!task->dtb) {
- update_status(task->status_fn, task->status_arg,
- BOOT_STATUS_ERROR,
- "Couldn't load device tree");
- goto no_load;
- }
- return;
- }
- }
-
- if (task->state == BOOT_STATE_DTB_LOADING) {
- if (result->status) {
- update_status(task->status_fn, task->status_arg,
- BOOT_STATUS_ERROR,
- "Error loading dtb");
- goto no_load;
- }
- task->state = BOOT_STATE_FINISH;
- }
-
- if (task->state != BOOT_STATE_FINISH) {
- task->state = BOOT_STATE_UNKNOWN;
- return;
- }
+ if (check_load(task, "kernel image", task->image) ||
+ check_load(task, "initrd", task->initrd) ||
+ check_load(task, "dtb", task->dtb))
+ goto no_load;
run_boot_hooks(task);
talloc_free(task);
}
+static int start_url_load(struct boot_task *task, const char *name,
+ struct pb_url *url, struct load_url_result **result)
+{
+ if (!url)
+ return 0;
+
+ *result = load_url_async(task, url, boot_process, task);
+ if (!*result) {
+ update_status(task->status_fn, task->status_arg,
+ BOOT_STATUS_ERROR,
+ "Error loading %s", name);
+ return -1;
+ }
+ return 0;
+}
+
int boot(void *ctx, struct discover_boot_option *opt, struct boot_command *cmd,
int dry_run, boot_status_fn status_fn, void *status_arg)
{
+ struct pb_url *image = NULL, *initrd = NULL, *dtb = NULL;
struct boot_task *boot_task;
- struct pb_url *image = NULL;
const char *boot_desc;
+ int rc;
if (opt && opt->option->name)
boot_desc = opt->option->name;
return -1;
}
- boot_task = talloc_zero(ctx, struct boot_task);
- boot_task->image_url = image;
- boot_task->dry_run = dry_run;
- boot_task->status_fn = status_fn;
- boot_task->status_arg = status_arg;
- boot_task->state = BOOT_STATE_INITIAL;
-
if (cmd && cmd->initrd_file) {
- boot_task->initrd_url = pb_url_parse(opt, cmd->initrd_file);
+ initrd = pb_url_parse(opt, cmd->initrd_file);
} else if (opt && opt->initrd) {
- boot_task->initrd_url = opt->initrd->url;
+ initrd = opt->initrd->url;
}
if (cmd && cmd->dtb_file) {
- boot_task->dtb_url = pb_url_parse(opt, cmd->dtb_file);
+ dtb = pb_url_parse(opt, cmd->dtb_file);
} else if (opt && opt->dtb) {
- boot_task->dtb_url = opt->dtb->url;
+ dtb = opt->dtb->url;
}
+ boot_task = talloc_zero(ctx, struct boot_task);
+ boot_task->dry_run = dry_run;
+ boot_task->status_fn = status_fn;
+ boot_task->status_arg = status_arg;
+
if (cmd && cmd->boot_args) {
boot_task->args = talloc_strdup(boot_task, cmd->boot_args);
} else if (opt && opt->option->boot_args) {
boot_task->args = NULL;
}
- boot_process(NULL, boot_task);
+ /* start async loads for boot resources */
+ rc = start_url_load(boot_task, "kernel image", image, &boot_task->image)
+ || start_url_load(boot_task, "initrd", initrd, &boot_task->initrd)
+ || start_url_load(boot_task, "dtb", dtb, &boot_task->dtb);
- return 0;
+ /* If all URLs are local, we may be done. */
+ if (!rc)
+ boot_process(NULL, boot_task);
+
+ return rc;
}
projects / petitboot / blobdiff