initial api changes to support hw_ devices as more-generic attachable modules

[dcpu16] / dcpu16.h

diff --git a/dcpu16.h b/dcpu16.h
index 38203edfc52eee41553f9d28a1f9812d4b4c648f..ebf20721051e11823f4113735d443a13541d56bd 100644 (file)
--- a/dcpu16.h
+++ b/dcpu16.h
@@ -68,6 +68,7 @@ struct dcpu16_acct_cb {
 };
 
 typedef void (dcpu16_hw_signal_t)(struct dcpu16 *, void *);
+typedef void (dcpu16_hw_data_free_t)(struct dcpu16_hw *);
 /* these are used to define hardware attached to the system */
 struct dcpu16_hw {
     struct dcpu16 *vm;  /* which system do I belong to */
@@ -82,9 +83,18 @@ struct dcpu16_hw {
     dcpu16_hw_signal_t *hwi;
     dcpu16_hw_signal_t *cycle;
     dcpu16_hw_signal_t *reset;
+
+    dcpu16_hw_data_free_t *data_free;
     void *data;
 };
 
+typedef int (dcpu16_hw_data_init_t)(struct dcpu16_hw *, void *);
+struct dcpu16_hw_module {
+    struct dcpu16_hw *template;
+    dcpu16_hw_data_init_t *data_init;
+    dcpu16_hw_data_free_t *data_free;
+};
+
 /* instantiate a new core */
 struct dcpu16 *dcpu16_new(void);