Cactus: tidy message loop and commands definitions
Creating specific header and source file for the message loop code,
separating it from the definition of test commands. Thus message loop
won't be included in tftf target.
Signed-off-by: J-Alves <joao.alves@arm.com>
Change-Id: Ieb0c4b0bf56ed0cbbf3323cac57dd9d9b37fae92
diff --git a/include/runtime_services/cactus_message_loop.h b/include/runtime_services/cactus_message_loop.h
new file mode 100644
index 0000000..d69e77c
--- /dev/null
+++ b/include/runtime_services/cactus_message_loop.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2021, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <ffa_helpers.h>
+#include <spm_common.h>
+
+/**
+ * Pairs a command id with a function call, to handle the command ID.
+ */
+struct cactus_cmd_handler {
+ const uint64_t id;
+ smc_ret_values (*fn)(const smc_ret_values *args,
+ struct mailbox_buffers *mb);
+};
+
+/**
+ * Helper to create the name of a handler function.
+ */
+#define CACTUS_HANDLER_FN_NAME(name) cactus_##name##_handler
+
+/**
+ * Define handler's function signature.
+ */
+#define CACTUS_HANDLER_FN(name) \
+ static smc_ret_values CACTUS_HANDLER_FN_NAME(name)( \
+ const smc_ret_values *args, struct mailbox_buffers *mb)
+
+/**
+ * Helper to define Cactus command handler, and pair it with a command ID.
+ * It also creates a table with this information, to be traversed by
+ * 'cactus_handle_cmd' function.
+ */
+#define CACTUS_CMD_HANDLER(name, ID) \
+ CACTUS_HANDLER_FN(name); \
+ struct cactus_cmd_handler name __section(".cactus_handler") = { \
+ .id = ID, .fn = CACTUS_HANDLER_FN_NAME(name), \
+ }; \
+ CACTUS_HANDLER_FN(name)
+
+bool cactus_handle_cmd(smc_ret_values *cmd_args, smc_ret_values *ret,
+ struct mailbox_buffers *mb);