minimal bootsplash stage1 support

1 files changed, 70 insertions, 0 deletions

diff --git a/mdk-stage1/bootsplash.c b/mdk-stage1/bootsplash.c
new file mode 100644
index 000000000..d51deb543
--- /dev/null
+++ b/mdk-stage1/bootsplash.c
@@ -0,0 +1,70 @@
+/*
+ * Pixel (pixel@mandrakesoft.com)
+ *
+ * Copyright 2004 Mandrakesoft
+ *
+ * This software may be freely redistributed under the terms of the GNU
+ * public license.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <stdio.h>
+#include "bootsplash.h"
+#include "frontend.h"
+#include "log.h"
+
+static int total_size;
+static float previous;
+static FILE* splash = NULL;
+
+static void update_progression_only(int current_size)
+{
+	if (splash && total_size) {
+		float ratio = (float) (current_size + 1) / total_size;
+		if (ratio > previous + 0.01) {
+			fprintf(splash, "show %d\n", (int) (ratio * 65534));
+			fflush(splash);
+			previous = ratio;
+		}
+	}
+}
+
+static void open_bootsplash(void)
+{
+	if (!splash) splash = fopen("/proc/splash", "w");
+	if (!splash) log_message("opening /proc/splash failed");
+}
+
+void exit_bootsplash(void)
+{
+	log_message("exiting bootsplash");
+	open_bootsplash();
+	if (splash) {
+		fprintf(splash, "verbose\n");
+		fflush(splash);
+	}
+}
+
+
+void init_progression(char *msg, int size)
+{
+	previous = 0; total_size = size;
+	open_bootsplash();
+	update_progression_only(0);
+	init_progression_raw(msg, size);
+}
+
+void update_progression(int current_size)
+{
+	update_progression_only(current_size);
+	update_progression_raw(current_size);
+}
+
+void end_progression(void)
+{
+	end_progression_raw();
+}