llext fix Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski…

…@linux.intel.com>
thesofproject · Apr 3, 2024 · 97182d0 · 97182d0
1 parent e2d4ee4
commit 97182d0
Show file tree

Hide file tree

Showing 2 changed files with 27 additions and 22 deletions.
diff --git a/src/include/sof/lib_manager.h b/src/include/sof/lib_manager.h
@@ -81,8 +81,11 @@ struct ipc_lib_msg {
 	struct list_item list;
 };
 
+struct sof_man_module_manifest;
+
 struct lib_manager_mod_ctx {
 	void *base_addr;
+	const struct sof_man_module_manifest *mod_manifest;
 	size_t segment_size[3];
 };
 

diff --git a/src/library_manager/llext_manager.c b/src/library_manager/llext_manager.c
@@ -180,7 +180,7 @@ static int llext_manager_link(struct sof_man_fw_desc *desc, struct sof_man_modul
 	struct lib_manager_mod_ctx *ctx = lib_manager_get_mod_ctx(module_id);
 	int ret = llext_load(&ebl.loader, mod->name, &md->llext, &ldr_parm);
 
-	if (ret < 0)
+	if (ret)
 		return ret;
 
 	mod->segment[SOF_MAN_SEGMENT_TEXT].v_base_addr = ebl.loader.sects[LLEXT_MEM_TEXT].sh_addr;
@@ -238,7 +238,6 @@ uintptr_t llext_manager_allocate_module(struct processing_module *proc,
 	uint32_t module_id = IPC4_MOD_ID(ipc_config->id);
 	uint32_t entry_index = LIB_MANAGER_GET_MODULE_INDEX(module_id);
 	struct lib_manager_mod_ctx *ctx = lib_manager_get_mod_ctx(module_id);
-	const struct sof_man_module_manifest *mod_manifest;
 	const struct sof_module_api_build_info *buildinfo;
 
 	tr_dbg(&lib_manager_tr, "llext_manager_allocate_module(): mod_id: %#x",
@@ -254,31 +253,34 @@ uintptr_t llext_manager_allocate_module(struct processing_module *proc,
 	mod = (struct sof_man_module *)((char *)desc + SOF_MAN_MODULE_OFFSET(entry_index));
 
 	ret = llext_manager_link(desc, mod, module_id, &proc->priv, (const void **)&buildinfo,
-				 &mod_manifest);
-	if (ret < 0)
-		return 0;
-
-	/* Check if module is NOT native */
-	if (buildinfo->format != SOF_MODULE_API_BUILD_INFO_FORMAT ||
-	    buildinfo->api_version_number.full != SOF_MODULE_API_CURRENT_VERSION) {
-		tr_err(&lib_manager_tr,
-		       "llext_manager_allocate_module(): Unsupported module API version");
-		return -ENOEXEC;
-	}
-
-	/* Map .text and the rest as .data */
-	ret = llext_manager_load_module(module_id, mod);
+				 &ctx->mod_manifest);
 	if (ret < 0)
 		return 0;
 
-	ret = llext_manager_allocate_module_bss(module_id, mod);
-	if (ret < 0) {
-		tr_err(&lib_manager_tr,
-		       "llext_manager_allocate_module(): module allocation failed: %d", ret);
-		return 0;
+	if (!ret) {
+		/* First instance: check that the module is native */
+		if (buildinfo->format != SOF_MODULE_API_BUILD_INFO_FORMAT ||
+		    buildinfo->api_version_number.full != SOF_MODULE_API_CURRENT_VERSION) {
+			tr_err(&lib_manager_tr,
+			       "llext_manager_allocate_module(): Unsupported module API version");
+			return -ENOEXEC;
+		}
+
+		/* Map .text and the rest as .data */
+		ret = llext_manager_load_module(module_id, mod);
+		if (ret < 0)
+			return 0;
+
+		ret = llext_manager_allocate_module_bss(module_id, mod);
+		if (ret < 0) {
+			tr_err(&lib_manager_tr,
+			       "llext_manager_allocate_module(): module allocation failed: %d",
+			       ret);
+			return 0;
+		}
 	}
 
-	return mod_manifest->module.entry_point;
+	return ctx->mod_manifest->module.entry_point;
 }
 
 int llext_manager_free_module(const uint32_t component_id)