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[app] change the app api to have an init and entry point

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This commit is contained in:
Travis Geiselbrecht
2009-01-24 21:44:52 -08:00
parent 3f14b667d3
commit 668383c506
5 changed files with 34 additions and 28 deletions
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29
app/app.c
View File

@@ -24,19 +24,25 @@
#include <app.h>
#include <kernel/thread.h>
extern const struct _app_descriptor __apps_start;
extern const struct _app_descriptor __apps_end;
extern const struct app_descriptor __apps_start;
extern const struct app_descriptor __apps_end;
static void start_app(const struct _app_descriptor *app);
static void start_app(const struct app_descriptor *app);
/* one time setup */
void apps_init(void)
{
const struct _app_descriptor *app;
for (app = &__apps_start; app != &__apps_end; app++) {
// printf("app '%s'\n", app->name);
const struct app_descriptor *app;
if (app->entry && app->flags & APP_FLAG_BOOT_START) {
/* 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);
}
}
@@ -44,20 +50,17 @@ void apps_init(void)
static int app_thread_entry(void *arg)
{
const struct _app_descriptor *app = (const struct _app_descriptor *)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)
static void start_app(const struct app_descriptor *app)
{
printf("starting app %s\n", app->name);
if (app->flags & APP_FLAG_THREAD) {
thread_resume(thread_create(app->name, &app_thread_entry, (void *)app, DEFAULT_PRIORITY, DEFAULT_STACK_SIZE));
} else {
app->entry(app, NULL);
}
}

10
app/shell/shell.c
View File

@@ -24,14 +24,18 @@
#include <debug.h>
#include <lib/console.h>
static void shell_init(const struct _app_descriptor *app, void *args)
static void shell_init(const struct app_descriptor *app)
{
console_init();
}
static void shell_entry(const struct app_descriptor *app, void *args)
{
console_start();
}
APP_START(shell)
.entry = shell_init,
.flags = APP_FLAG_BOOT_START | APP_FLAG_THREAD,
.init = shell_init,
.entry = shell_entry,
APP_END

2
app/stringtests/string_tests.c
View File

@@ -245,7 +245,5 @@ STATIC_COMMAND_END(stringtests);
#endif
APP_START(stringtests)
.entry = 0,
.flags = 0,
APP_END

6
app/tests/tests.c
View File

@@ -35,12 +35,12 @@ STATIC_COMMAND_END(tests);
#endif
static void tests_init(const struct _app_descriptor *app, void *args)
static void tests_init(const struct app_descriptor *app)
{
}
APP_START(tests)
.entry = tests_init,
.flags = APP_FLAG_BOOT_START,
.init = tests_init,
.flags = 0,
APP_END

13
include/app.h
View File

@@ -27,21 +27,22 @@
void apps_init(void); /* one time setup */
/* app entry point */
struct _app_descriptor;
typedef void (*app_entry)(const struct _app_descriptor *, void *args);
struct app_descriptor;
typedef void (*app_init)(const struct app_descriptor *);
typedef void (*app_entry)(const struct app_descriptor *, void *args);
/* app startup flags */
#define APP_FLAG_BOOT_START 0x1
#define APP_FLAG_THREAD 0x2
#define APP_FLAG_DONT_START_ON_BOOT 0x1
/* each app needs to define one of these to define its startup conditions */
struct _app_descriptor {
struct app_descriptor {
const char *name;
app_init init;
app_entry entry;
unsigned int flags;
};
#define APP_START(appname) struct _app_descriptor _app_##appname __SECTION(".apps") = { .name = #appname,
#define APP_START(appname) struct app_descriptor _app_##appname __SECTION(".apps") = { .name = #appname,
#define APP_END };
#endif