|
@@ -57,6 +57,30 @@
|
|
|
*/
|
|
|
#define CONFIG_VAL(option) config_val(option)
|
|
|
|
|
|
+/*
|
|
|
+ * This uses a similar mechanism to config_enabled() above. If cfg is enabled,
|
|
|
+ * it resolves to the value of opt_cfg, otherwise it resolves to def_val
|
|
|
+ */
|
|
|
+#define config_opt_enabled(cfg, opt_cfg, def_val) _config_opt_enabled(cfg, opt_cfg, def_val)
|
|
|
+#define _config_opt_enabled(cfg_val, opt_value, def_val) \
|
|
|
+ __config_opt_enabled(__ARG_PLACEHOLDER_##cfg_val, opt_value, def_val)
|
|
|
+#define __config_opt_enabled(arg1_or_junk, arg2, def_val) \
|
|
|
+ ___config_opt_enabled(arg1_or_junk arg2, def_val)
|
|
|
+#define ___config_opt_enabled(__ignored, val, ...) val
|
|
|
+
|
|
|
+#ifndef __ASSEMBLY__
|
|
|
+/*
|
|
|
+ * Detect usage of a the value when the conditional is not enabled. When used
|
|
|
+ * in assembly context, this likely produces a assembly error, or hopefully at
|
|
|
+ * least something recognisable.
|
|
|
+ */
|
|
|
+long invalid_use_of_IF_ENABLED_INT(void);
|
|
|
+#endif
|
|
|
+
|
|
|
+/* Evaluates to int_option if option is defined, otherwise a build error */
|
|
|
+#define IF_ENABLED_INT(option, int_option) \
|
|
|
+ config_opt_enabled(option, int_option, invalid_use_of_IF_ENABLED_INT())
|
|
|
+
|
|
|
/*
|
|
|
* Count number of arguments to a variadic macro. Currently only need
|
|
|
* it for 1, 2 or 3 arguments.
|
|
@@ -111,5 +135,21 @@
|
|
|
#define CONFIG_IS_ENABLED(option, ...) \
|
|
|
__concat(__CONFIG_IS_ENABLED_, __count_args(option, ##__VA_ARGS__)) (option, ##__VA_ARGS__)
|
|
|
|
|
|
+#ifndef __ASSEMBLY__
|
|
|
+/*
|
|
|
+ * Detect usage of a the value when the conditional is not enabled. When used
|
|
|
+ * in assembly context, this likely produces a assembly error, or hopefully at
|
|
|
+ * least something recognisable.
|
|
|
+ */
|
|
|
+long invalid_use_of_CONFIG_IF_ENABLED_INT(void);
|
|
|
+#endif
|
|
|
+
|
|
|
+/*
|
|
|
+ * Evaluates to SPL_/TPL_int_option if SPL_/TPL_/option is not defined,
|
|
|
+ * otherwise build error
|
|
|
+ */
|
|
|
+#define CONFIG_IF_ENABLED_INT(option, int_option) \
|
|
|
+ CONFIG_IS_ENABLED(option, (CONFIG_VAL(int_option)), \
|
|
|
+ (invalid_use_of_CONFIG_IF_ENABLED_INT()))
|
|
|
|
|
|
#endif /* __LINUX_KCONFIG_H */
|