diff options
| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2019-07-25 10:20:19 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2019-09-23 10:26:34 +0200 |
| commit | aedff4f6e887b8da7e359a28f3c0393a2112087d (patch) | |
| tree | 86b7e35c4bd069f2485294beea5c124fca6154ca /freebsd | |
| parent | nexus: Avoid NULL pointer access (diff) | |
| download | rtems-libbsd-aedff4f6e887b8da7e359a28f3c0393a2112087d.tar.bz2 | |
CONFIG_INTRHOOK(9): Call handlers after boot
This enables adding drivers on demand which use this service after
initialization.
Diffstat (limited to 'freebsd')
| -rw-r--r-- | freebsd/sys/kern/subr_autoconf.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/freebsd/sys/kern/subr_autoconf.c b/freebsd/sys/kern/subr_autoconf.c index 33087b03..39332214 100644 --- a/freebsd/sys/kern/subr_autoconf.c +++ b/freebsd/sys/kern/subr_autoconf.c @@ -63,6 +63,9 @@ static TAILQ_HEAD(, intr_config_hook) intr_config_hook_list = static struct intr_config_hook *next_to_notify; static struct mtx intr_config_hook_lock; MTX_SYSINIT(intr_config_hook, &intr_config_hook_lock, "intr config", MTX_DEF); +#ifdef __rtems__ +static bool intr_boot_done; +#endif /* __rtems__ */ /* ARGSUSED */ static void run_interrupt_driven_config_hooks(void); @@ -174,6 +177,9 @@ boot_run_interrupt_driven_config_hooks(void *dummy) mtx_lock(&intr_config_hook_lock); } } +#ifdef __rtems__ + intr_boot_done = true; +#endif /* __rtems__ */ mtx_unlock(&intr_config_hook_lock); TSUNWAIT("config hooks"); } @@ -190,6 +196,9 @@ int config_intrhook_establish(struct intr_config_hook *hook) { struct intr_config_hook *hook_entry; +#ifdef __rtems__ + bool run; +#endif /* __rtems__ */ TSHOLD("config hooks"); mtx_lock(&intr_config_hook_lock); @@ -205,16 +214,21 @@ config_intrhook_establish(struct intr_config_hook *hook) TAILQ_INSERT_TAIL(&intr_config_hook_list, hook, ich_links); if (next_to_notify == NULL) next_to_notify = hook; +#ifdef __rtems__ + run = intr_boot_done; +#endif /* __rtems__ */ mtx_unlock(&intr_config_hook_lock); #ifndef __rtems__ if (cold == 0) +#else /* __rtems__ */ + if (run) +#endif /* __rtems__ */ /* * XXX Call from a task since not all drivers expect * to be re-entered at the time a hook is established. */ /* XXX Sufficient for modules loaded after initial config??? */ run_interrupt_driven_config_hooks(); -#endif /* __rtems__ */ return (0); } |