--- /dev/null
+/*
+ * Creation Date: <2003/12/19 23:09:56 samuel>
+ * Time-stamp: <2004/01/07 19:36:42 samuel>
+ *
+ * <bindings.h>
+ *
+ * Forth bindings
+ *
+ * Copyright (C) 2003, 2004 Samuel Rydh (samuel@ibrium.se)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2
+ *
+ */
+
+#ifndef _H_BINDINGS
+#define _H_BINDINGS
+
+#include "kernel/stack.h"
+#include "kernel/kernel.h"
+
+#define PUSH3(a,b,c) do { PUSH((a)); PUSH((b)); PUSH((c)); } while(0)
+#define PUSH2(a,b) do { PUSH((a)); PUSH((b)); } while(0)
+#define RET( v ) do { PUSH(v); return; } while(0)
+
+/* initialization */
+extern int initialize_forth( void );
+
+/* panic */
+extern int forth_segv_handler( char *segv_addr );
+
+/* active package */
+extern phandle_t find_dev( const char *path );
+extern phandle_t get_cur_dev( void );
+extern phandle_t activate_device( const char *str );
+extern void device_end( void );
+extern void activate_dev( phandle_t ph );
+
+
+/* ihandle related */
+extern phandle_t ih_to_phandle( ihandle_t ih );
+extern ihandle_t my_parent( void );
+extern ihandle_t my_self( void );
+extern char *my_args_copy( void );
+
+extern xt_t find_package_method( const char *meth, phandle_t ph );
+extern xt_t find_ih_method( const char *method, ihandle_t ih );
+extern xt_t find_parent_method( const char *method );
+extern void call_package( xt_t xt, ihandle_t ihandle );
+extern void call_parent( xt_t xt );
+extern void call_parent_method( const char *method );
+
+/* package */
+extern ihandle_t open_package( const char *argstr, phandle_t ph );
+extern ihandle_t open_dev( const char *spec );
+extern void close_package( ihandle_t ih );
+extern void close_dev( ihandle_t ih );
+
+/* property access */
+extern void set_property( phandle_t ph, const char *name,
+ const char *buf, int len );
+extern void set_int_property( phandle_t ph, const char *name,
+ u32 val );
+extern u32 get_int_property( phandle_t ph, const char *name,
+ int *retlen );
+extern char *get_property( phandle_t ph, const char *name,
+ int *retlen );
+
+/* device tree iteration */
+extern phandle_t dt_iter_begin( void );
+extern phandle_t dt_iterate( phandle_t last_tree );
+extern phandle_t dt_iterate_type( phandle_t last_tree,
+ const char *type );
+static inline phandle_t dt_find_type( const char *type ) {
+ return dt_iterate_type( 0, type );
+}
+
+/* forth bindings */
+extern cell feval( const char *str );
+extern void bind_xtfunc( const char *name, xt_t xt,
+ ucell arg, void (*func)(void) );
+extern void bind_func( const char *name, void (*func)(void) );
+extern xt_t bind_noname_func( void (*func)(void) );
+extern void push_str( const char *str );
+extern char *pop_fstr_copy( void );
+
+extern int _fword( const char *word, xt_t *cache_xt );
+extern cell _eword( const char *word, xt_t *cache_xt, int nargs );
+extern int _selfword( const char *method, xt_t *cache_xt );
+extern int _parword( const char *method, xt_t *cache_xt );
+
+#define fword(w) ({ static xt_t cache_xt = 0; _fword(w, &cache_xt); })
+#define eword(w, nargs) ({ static xt_t cache_xt = 0; _eword(w, &cache_xt, nargs); })
+#define selfword(w) ({ static xt_t cache_xt = 0; _selfword(w, &cache_xt); })
+#define parword(w) ({ static xt_t cache_xt = 0; _parword(w, &cache_xt); })
+
+extern void throw( int error );
+
+
+/* node bindings */
+extern void make_openable( int only_parents );
+
+
+typedef struct {
+ const char *name;
+ void *func;
+} method_t;
+
+#define REGISTER_NAMED_NODE( name, path ) do { \
+ bind_new_node( name##_flags_, name##_size_, \
+ path, name##_m, sizeof(name##_m)/sizeof(method_t)); \
+ } while(0)
+
+#define REGISTER_NAMED_NODE_PHANDLE( name, path, phandle ) do { \
+ phandle = \
+ bind_new_node( name##_flags_, name##_size_, \
+ path, name##_m, sizeof(name##_m)/sizeof(method_t)); \
+ } while(0)
+
+#define REGISTER_NODE_METHODS( name, path ) do { \
+ const char *paths[1]; \
+ \
+ paths[0] = path; \
+ bind_node( name##_flags_, name##_size_, \
+ paths, 1, name##_m, sizeof(name##_m)/sizeof(method_t)); \
+ } while(0)
+
+#define DECLARE_UNNAMED_NODE( name, flags, size ) \
+static const int name##_flags_ = flags; \
+static const int name##_size_ = size;
+
+#define DECLARE_NODE( name, flags, size, paths... ) \
+static const char * const name##_p[] = { paths }; \
+DECLARE_UNNAMED_NODE(name, flags, size)
+
+#define NODE_METHODS( name ) \
+static const method_t name##_m[]
+
+#define REGISTER_NODE( name ) do { \
+ bind_node( name##_flags_, name##_size_, \
+ name##_p, sizeof(name##_p)/sizeof(char*), \
+ name##_m, sizeof(name##_m)/sizeof(method_t) ); \
+ } while(0)
+
+extern void bind_node( int flags, int size, const char * const *paths, int npaths,
+ const method_t *methods, int nmethods );
+
+extern phandle_t bind_new_node( int flags, int size, const char *name,
+ const method_t *methods, int nmethods );
+
+#define INSTALL_OPEN 1 /* install trivial open and close methods */
+
+
+
+#endif /* _H_BINDINGS */
Code Review / kvmfornfv.git / blobdiff