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authorSimon Glass <sjg@chromium.org>2014-10-01 19:57:20 -0600
committerSimon Glass <sjg@chromium.org>2014-10-22 10:36:53 -0600
commit3fcc3af4d270dac159fc0c8b2a28ae4f9198befe (patch)
treec0abd6acc4e1e97242730cc16452537da8451d84 /include
parentea0ebc8662357f8f5c7f568ec5e1eb8d773ae4ee (diff)
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dm: linker_lists: Add a way to declare multiple objects
The existing ll_entry_declare() permits a single element of the list to be added to a linker list. Sometimes we want to add several objects at once. To avoid lots of messy declarations, add a macro to support this. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include')
-rw-r--r--include/linker_lists.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linker_lists.h b/include/linker_lists.h
index 046ac90..d37fba4 100644
--- a/include/linker_lists.h
+++ b/include/linker_lists.h
@@ -143,6 +143,27 @@
section(".u_boot_list_2_"#_list"_2_"#_name)))
/**
+ * ll_entry_declare_list() - Declare a list of link-generated array entries
+ * @_type: Data type of each entry
+ * @_name: Name of the entry
+ * @_list: name of the list. Should contain only characters allowed
+ * in a C variable name!
+ *
+ * This is like ll_entry_declare() but creates multiple entries. It should
+ * be assigned to an array.
+ *
+ * ll_entry_declare_list(struct my_sub_cmd, my_sub_cmd, cmd_sub, cmd.sub) = {
+ * { .x = 3, .y = 4 },
+ * { .x = 8, .y = 2 },
+ * { .x = 1, .y = 7 }
+ * };
+ */
+#define ll_entry_declare_list(_type, _name, _list) \
+ _type _u_boot_list_2_##_list##_2_##_name[] __aligned(4) \
+ __attribute__((unused, \
+ section(".u_boot_list_2_"#_list"_2_"#_name)))
+
+/**
* We need a 0-byte-size type for iterator symbols, and the compiler
* does not allow defining objects of C type 'void'. Using an empty
* struct is allowed by the compiler, but causes gcc versions 4.4 and