Files
lk/app/app.c
Travis Geiselbrecht cba9e47987 [license] replace the longer full MIT license with a shorter one
Used scripts/replacelic. Everything seems to build fine.
2019-07-05 17:22:23 -07:00

52 lines
1.4 KiB
C

/*
* Copyright (c) 2009 Travis Geiselbrecht
*
* Use of this source code is governed by a MIT-style
* license that can be found in the LICENSE file or at
* https://opensource.org/licenses/MIT
*/
#include <stdio.h>
#include <app.h>
#include <kernel/thread.h>
extern const struct app_descriptor __apps_start;
extern const struct app_descriptor __apps_end;
static void start_app(const struct app_descriptor *app);
/* one time setup */
void apps_init(void) {
const struct app_descriptor *app;
/* call all the init routines */
for (app = &__apps_start; app != &__apps_end; app++) {
if (app->init)
app->init(app);
}
/* start any that want to start on boot */
for (app = &__apps_start; app != &__apps_end; app++) {
if (app->entry && (app->flags & APP_FLAG_DONT_START_ON_BOOT) == 0) {
start_app(app);
}
}
}
static int app_thread_entry(void *arg) {
const struct app_descriptor *app = (const struct app_descriptor *)arg;
app->entry(app, NULL);
return 0;
}
static void start_app(const struct app_descriptor *app) {
uint32_t stack_size = (app->flags & APP_FLAG_CUSTOM_STACK_SIZE) ? app->stack_size : DEFAULT_STACK_SIZE;
printf("starting app %s\n", app->name);
thread_t *t = thread_create(app->name, &app_thread_entry, (void *)app, DEFAULT_PRIORITY, stack_size);
thread_detach(t);
thread_resume(t);
}