};
typedef void (dcpu16_hw_signal_t)(struct dcpu16 *, struct dcpu16_hw *);
-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 */
+ struct dcpu16_hw_module *mod; /* whence I came */
char *name_;
DCPU16_WORD id_l;
dcpu16_hw_signal_t *cycle;
dcpu16_hw_signal_t *reset;
- dcpu16_hw_data_free_t *data_free;
void *data;
};
+/* human-readable text describing hw module control operations, for convenience's sake */
+struct dcpu16_hw_ctl_cmd {
+ char *command;
+ char *data_in_type;
+ char *data_out_type;
+ char *description;
+};
typedef int (dcpu16_hw_data_init_t)(struct dcpu16_hw *, void *);
+typedef void (dcpu16_hw_data_free_t)(struct dcpu16_hw *);
+typedef int (dcpu16_hw_ctl_t)(struct dcpu16_hw *, const char *, void *, void *);
struct dcpu16_hw_module {
struct dcpu16_hw *template;
dcpu16_hw_data_init_t *data_init;
dcpu16_hw_data_free_t *data_free;
+ dcpu16_hw_ctl_t *ctl;
+ struct dcpu16_hw_ctl_cmd *ctl_cmd;
};
/* instantiate a new core */
struct dcpu16_hw *dcpu16_hw_new(struct dcpu16 *, struct dcpu16_hw_module *, void *);
void dcpu16_hw_del(struct dcpu16_hw **);
+/* set options on hardware objects */
+int dcpu16_hw_ctl(struct dcpu16_hw *, const char *, void *, void *);
+
/* register new 'hardware' device with system */
int dcpu16_hw_attach(struct dcpu16 *, struct dcpu16_hw *);