Make tsec checks faster and cover unluckiest cases

+ changes for readability

bootloader/hos/hos.c

@@ -184,8 +184,12 @@ int keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
 		memset(tmp, 0x00, 0x20);
 		retries++;
 
-		if (retries > 3)
+		// We rely on racing conditions, make sure we cover even the unluckiest cases.
+		if (retries > 15)
+		{
+			gfx_printf(&gfx_con, "%k\nFailed to get TSEC keys. Please try again.%k\n\n", 0xFFFF0000, 0xFFCCCCCC);
 			return 0;
+		}
 	}
 
 	if (kb >= KB_FIRMWARE_VERSION_620)

bootloader/hos/hos.h

@@ -32,6 +32,8 @@
 #define KB_FIRMWARE_VERSION_620 6
 #define KB_FIRMWARE_VERSION_MAX KB_FIRMWARE_VERSION_620
 
+#define HOS_PKG11_MAGIC 0x31314B50
+
 typedef struct _launch_ctxt_t
 {
 	void *keyblob;