[13/31] petitboot: Add PS3 countdown timer

--- a/ui/common/ps3.c
+++ b/ui/common/ps3.c
@@ -49,6 +49,11 @@  static const struct os_area_db_id id_fla
 	.owner = OS_AREA_DB_OWNER_PETITBOOT, /* 3 */
 	.key = 3,
 };
+static const struct os_area_db_id id_timeout =
+{
+	.owner = OS_AREA_DB_OWNER_PETITBOOT, /* 3 */
+	.key = 4,
+};
 
 struct ps3_flash_ctx {
 	FILE *dev;
@@ -59,6 +64,8 @@  struct ps3_flash_ctx {
 
 static void ps3_flash_close(struct ps3_flash_ctx *fc)
 {
+	assert(fc->dev);
+
 	fclose(fc->dev);
 	fc->dev = NULL;
 }
@@ -104,19 +111,25 @@  int ps3_flash_get_values(struct ps3_flas
 	struct ps3_flash_ctx fc;
 	uint64_t tmp;
 
-	memset(values, 0, sizeof(*values));
+	/* Set default values. */
+
+	values->default_item = 0;
+	values->timeout = ps3_timeout_forever;
+	values->video_mode = 1;
 
 	result = ps3_flash_open(&fc, "r");
 
 	if (result)
-		return -1;
+		goto done;
 
 	result = os_area_db_read(&fc.db, &fc.header, fc.dev);
 
+	ps3_flash_close(&fc);
+
 	if (result) {
 		pb_log("%s: os_area_db_read failed: %s\n", __func__,
 			strerror(errno));
-		goto fail;
+		goto done;
 	}
 
 	sum = result = os_area_db_get(&fc.db, &id_default_item, &tmp);
@@ -124,21 +137,25 @@  int ps3_flash_get_values(struct ps3_flas
 	if (!result)
 		values->default_item = (uint32_t)tmp;
 
-	sum += result = os_area_db_get(&fc.db, &id_video_mode, &tmp);
+	result = os_area_db_get(&fc.db, &id_timeout, &tmp);
 
 	if (!result)
-		values->video_mode = (uint16_t)tmp;
+		values->timeout = (uint8_t)tmp;
 
+	sum += result = os_area_db_get(&fc.db, &id_video_mode, &tmp);
 
-	pb_log("%s: default_item: %u\n", __func__, values->default_item);
-	pb_log("%s: video_mode:   %u\n", __func__, values->video_mode);
+	if (!result)
+		values->video_mode = (uint16_t)tmp;
 
-	ps3_flash_close(&fc);
-	return !!sum;
+done:
+	pb_log("%s: default_item: %x\n", __func__,
+		(unsigned int)values->default_item);
+	pb_log("%s: timeout: %u\n", __func__,
+		(unsigned int)values->timeout);
+	pb_log("%s: video_mode:   %u\n", __func__,
+		(unsigned int)values->video_mode);
 
-fail:
-	ps3_flash_close(&fc);
-	return -1;
+	return (result || sum) ? -1 : 0;
 }
 
 /**
@@ -177,6 +194,8 @@  int ps3_flash_set_values(const struct ps
 		}
 	}
 
+	/* timeout is currently read-only, set with ps3-bl-option */
+
 	result = os_area_db_set_32(&fc.db, &id_default_item,
 		values->default_item);
 	result += os_area_db_set_16(&fc.db, &id_video_mode,
--- a/ui/common/ps3.h
+++ b/ui/common/ps3.h
@@ -33,9 +33,14 @@  enum ps3_flash_flags {
 	ps3_flag_telnet = 1,
 };
 
+enum ps3_timeouts {
+	ps3_timeout_forever = 255,
+};
+
 /**
  * struct ps3_flash_values - Values from PS3 flash memory.
  * @default_item: The default menu item.
+ * @timeout: The timeout in seconds.
  * @video_mode: The default video_mode.
  * @flags: Logical OR of enum ps3_flash_flags.
  */
@@ -44,6 +49,7 @@  struct ps3_flash_values {
 	uint32_t default_item;
 	uint16_t video_mode;
 	/* uint16_t flags; */
+	uint8_t timeout;
 };
 
 int ps3_flash_get_values(struct ps3_flash_values *values);
--- a/ui/ncurses/ps3-cui.c
+++ b/ui/ncurses/ps3-cui.c
@@ -21,9 +21,7 @@ 
 /*
  * TODO
  * removable media event
- * resize after video mode change
  * ncurses mouse support
- * timeout
  */
 
 #if defined(HAVE_CONFIG_H)
@@ -36,6 +34,7 @@ 
 #include <signal.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/time.h>
 
 #include "log/log.h"
 #include "talloc/talloc.h"
@@ -283,6 +282,21 @@  static int ps3_hot_key(struct pmenu __at
 }
 
 /**
+ * ps3_timer_update - Timer callback.
+ */
+
+static void ps3_timer_update(struct ui_timer *timer, unsigned int timeout)
+{
+	struct ps3_cui *ps3 = ps3_from_cui(cui_from_timer(timer));
+
+	//FIXME: make scr:timer.
+	// nc_scr_timer_update(&ps3.mm->scr, timeout);
+
+	nc_scr_status_printf(&ps3->mm->scr,
+		"Welcome to Petitboot (timeout %u sec)", timeout);
+}
+
+/**
  * ps3_mm_init - Setup the main menu instance.
  */
 
@@ -434,6 +448,10 @@  static void sig_handler(int signum)
 	DBGS("%d\n", signum);
 
 	switch (signum) {
+	case SIGALRM:
+		if (ps3.cui)
+			ui_timer_sigalrm(&ps3.cui->timer);
+		break;
 	case SIGWINCH:
 		if (ps3.cui)
 			cui_resize(ps3.cui);
@@ -491,8 +509,9 @@  int main(int argc, char *argv[])
 	pb_log("--- pb-cui ---\n");
 
 	sa.sa_handler = sig_handler;
-	result = sigaction(SIGINT, &sa, NULL);
+	result = sigaction(SIGALRM, &sa, NULL);
 	result += sigaction(SIGHUP, &sa, NULL);
+	result += sigaction(SIGINT, &sa, NULL);
 	result += sigaction(SIGTERM, &sa, NULL);
 	result += sigaction(SIGWINCH, &sa, NULL);
 
@@ -523,6 +542,13 @@  int main(int argc, char *argv[])
 	ps3.mm = ps3_mm_init(&ps3);
 	ps3.svm = ps3_svm_init(&ps3);
 
+	if (ps3.values.timeout == ps3_timeout_forever)
+		ui_timer_disable(&ps3.cui->timer);
+	else {
+		ps3.cui->timer.update_display = ps3_timer_update;
+		ui_timer_init(&ps3.cui->timer, ps3.values.timeout);
+	}
+
 	cui_result = cui_run(ps3.cui, ps3.mm, ps3.values.default_item);
 
 	pmenu_delete(ps3.mm);