llext: add a macro for read-only "cold" DRAM data

This adds a __cold_data macro, that can be used to designate read- only data to be kept in DRAM. Signed-off-by: Guennadi Liakhovetski <[email protected]>
thesofproject · Dec 11, 2024 · fa5d722 · fa5d722
1 parent 08e711a
commit fa5d722
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/include/module/module/llext.h b/src/include/module/module/llext.h
@@ -36,8 +36,10 @@ static const struct sof_module_api_build_info buildinfo __section(".mod_buildinf
 
 #if CONFIG_LLEXT_TYPE_ELF_RELOCATABLE && defined(LL_EXTENSION_BUILD)
 #define __cold __section(".text.dram")
+#define __cold_data __section(".rodata.dram")
 #else
 #define __cold
+#define __cold_data
 #endif
 
 #endif