1 files changed, 132 insertions, 0 deletions
diff --git a/arch/um/include/init.h b/arch/um/include/init.h
new file mode 100644
index 000000000000..55c2693f8778
--- /dev/null
+++ b/arch/um/include/init.h
@@ -0,0 +1,132 @@
+#ifndef _LINUX_UML_INIT_H
+#define _LINUX_UML_INIT_H
+
+/* These macros are used to mark some functions or
+ * initialized data (doesn't apply to uninitialized data)
+ * as `initialization' functions. The kernel can take this
+ * as hint that the function is used only during the initialization
+ * phase and free up used memory resources after
+ *
+ * Usage:
+ * For functions:
+ *
+ * You should add __init immediately before the function name, like:
+ *
+ * static void __init initme(int x, int y)
+ * {
+ *    extern int z; z = x * y;
+ * }
+ *
+ * If the function has a prototype somewhere, you can also add
+ * __init between closing brace of the prototype and semicolon:
+ *
+ * extern int initialize_foobar_device(int, int, int) __init;
+ *
+ * For initialized data:
+ * You should insert __initdata between the variable name and equal
+ * sign followed by value, e.g.:
+ *
+ * static int init_variable __initdata = 0;
+ * static char linux_logo[] __initdata = { 0x32, 0x36, ... };
+ *
+ * Don't forget to initialize data not at file scope, i.e. within a function,
+ * as gcc otherwise puts the data into the bss section and not into the init
+ * section.
+ *
+ * Also note, that this data cannot be "const".
+ */
+
+#ifndef _LINUX_INIT_H
+typedef int (*initcall_t)(void);
+typedef void (*exitcall_t)(void);
+
+/* These are for everybody (although not all archs will actually
+   discard it in modules) */
+#define __init		__attribute__ ((__section__ (".init.text")))
+#define __initdata	__attribute__ ((__section__ (".init.data")))
+#define __exitdata	__attribute__ ((__section__(".exit.data")))
+#define __exit_call	__attribute_used__ __attribute__ ((__section__ (".exitcall.exit")))
+
+#ifdef MODULE
+#define __exit		__attribute__ ((__section__(".exit.text")))
+#else
+#define __exit		__attribute_used__ __attribute__ ((__section__(".exit.text")))
+#endif
+
+#endif
+
+#ifndef MODULE
+struct uml_param {
+        const char *str;
+        int (*setup_func)(char *, int *);
+};
+
+extern initcall_t __uml_initcall_start, __uml_initcall_end;
+extern initcall_t __uml_postsetup_start, __uml_postsetup_end;
+extern const char *__uml_help_start, *__uml_help_end;
+#endif
+
+#define __uml_initcall(fn)					  	\
+	static initcall_t __uml_initcall_##fn __uml_init_call = fn
+
+#define __uml_exitcall(fn)						\
+	static exitcall_t __uml_exitcall_##fn __uml_exit_call = fn
+
+extern struct uml_param __uml_setup_start, __uml_setup_end;
+
+#define __uml_postsetup(fn)						\
+	static initcall_t __uml_postsetup_##fn __uml_postsetup_call = fn
+
+#define __non_empty_string(dummyname,string)				\
+	struct __uml_non_empty_string_struct_##dummyname		\
+	{								\
+		char _string[sizeof(string)-2];				\
+	}
+
+#ifndef MODULE
+#define __uml_setup(str, fn, help...)					\
+	__non_empty_string(fn ##_setup, str);				\
+	__uml_help(fn, help);						\
+	static char __uml_setup_str_##fn[] __initdata = str;		\
+	static struct uml_param __uml_setup_##fn __uml_init_setup = { __uml_setup_str_##fn, fn }
+#else
+#define __uml_setup(str, fn, help...)					\
+
+#endif
+
+#define __uml_help(fn, help...)						\
+	__non_empty_string(fn ##__help, help);				\
+	static char __uml_help_str_##fn[] __initdata = help;		\
+	static const char *__uml_help_##fn __uml_setup_help = __uml_help_str_##fn
+
+/*
+ * Mark functions and data as being only used at initialization
+ * or exit time.
+ */
+#define __uml_init_setup	__attribute_used__ __attribute__ ((__section__ (".uml.setup.init")))
+#define __uml_setup_help	__attribute_used__ __attribute__ ((__section__ (".uml.help.init")))
+#define __uml_init_call		__attribute_used__ __attribute__ ((__section__ (".uml.initcall.init")))
+#define __uml_postsetup_call	__attribute_used__ __attribute__ ((__section__ (".uml.postsetup.init")))
+#define __uml_exit_call		__attribute_used__ __attribute__ ((__section__ (".uml.exitcall.exit")))
+
+#ifndef __KERNEL__
+
+#define __initcall(fn) static initcall_t __initcall_##fn __init_call = fn
+#define __exitcall(fn) static exitcall_t __exitcall_##fn __exit_call = fn
+
+#define __init_call __attribute__ ((unused,__section__ (".initcall.init")))
+
+#endif
+
+#endif /* _LINUX_UML_INIT_H */
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */