Allow ports to define statically builtin functions.
Convert unix open() to such.
diff --git a/py/mpconfig.h b/py/mpconfig.h
index 1eb2acf..6ff0692 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -107,6 +107,10 @@
#define MICROPY_PATH_MAX (512)
#endif
+// Additional builtin function definitions - see runtime.c:builtin_table for format.
+#ifndef MICROPY_EXTRA_BUILTINS
+#define MICROPY_EXTRA_BUILTINS
+#endif
/*****************************************************************************/
/* Miscellaneous settings */
diff --git a/py/runtime.c b/py/runtime.c
index f12b3e6..01a0153 100644
--- a/py/runtime.c
+++ b/py/runtime.c
@@ -144,6 +144,9 @@
{ MP_QSTR_str, (mp_obj_t)&mp_builtin_str_obj },
{ MP_QSTR_bytearray, (mp_obj_t)&mp_builtin_bytearray_obj },
+ // Extra builtins as defined by a port
+ MICROPY_EXTRA_BUILTINS
+
{ MP_QSTR_, MP_OBJ_NULL }, // end of list sentinel
};
diff --git a/unix/file.c b/unix/file.c
index 0d11de6..21dd764 100644
--- a/unix/file.c
+++ b/unix/file.c
@@ -136,8 +136,6 @@
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_open_obj, 1, 2, mp_builtin_open);
void file_init() {
- rt_store_name(MP_QSTR_open, (mp_obj_t)&mp_builtin_open_obj);
-
mp_obj_t m_sys = mp_obj_new_module(MP_QSTR_sys);
rt_store_attr(m_sys, MP_QSTR_stdin, fdfile_new(STDIN_FILENO));
rt_store_attr(m_sys, MP_QSTR_stdout, fdfile_new(STDOUT_FILENO));
diff --git a/unix/main.c b/unix/main.c
index 192a0e6..716c7b1 100644
--- a/unix/main.c
+++ b/unix/main.c
@@ -29,7 +29,6 @@
// Stack top at the start of program
void *stack_top;
-extern const mp_obj_fun_native_t mp_builtin_open_obj;
void file_init();
void microsocket_init();
void time_init();
diff --git a/unix/mpconfigport.h b/unix/mpconfigport.h
index dc92970..5b2503f 100644
--- a/unix/mpconfigport.h
+++ b/unix/mpconfigport.h
@@ -36,3 +36,8 @@
typedef double machine_float_t;
machine_float_t machine_sqrt(machine_float_t x);
+
+struct _mp_obj_fun_native_t;
+extern const struct _mp_obj_fun_native_t mp_builtin_open_obj;
+#define MICROPY_EXTRA_BUILTINS \
+ { MP_QSTR_open, (mp_obj_t)&mp_builtin_open_obj },