add mailbox test

arch/x86/scc/icc.c

@@ -230,6 +230,25 @@ int icc_ping(int ue)
 	return 0;
 }
 
+int icc_mail_ping( void )
+{
+	int remote_rank = (my_ue+1)%2;
+	
+	// send mail
+	iRCCE_mail_send( 0, my_ue, 0, NULL, remote_rank );
+
+	// wait for mail from remote rank
+	iRCCE_MAIL_HEADER* mail;
+	do {
+		iRCCE_mail_recv( &mail );
+	} while( !mail );
+
+	// show content	
+	iRCCE_mailbox_print_header( mail );
+	
+	return 0;
+
+}
 static void interpret_header(icc_header_t* header, int recv_ue)
 {
 	//kprintf("Got ICC message %d from %d\n", header->type, recv_ue);

kernel/Makefile

@@ -1,4 +1,4 @@
-C_source := main.c tasks.c syscall.c tests.c echo.c ping.c init.c
+C_source := main.c tasks.c syscall.c tests.c echo.c ping.c init.c mailbox.c
 MODULE := kernel
 
 include $(TOPDIR)/Makefile.inc

kernel/mailbox.c

@@ -0,0 +1,44 @@
+/* 
+ * Copyright 2010 Stefan Lankes, Chair for Operating Systems,
+ *                               RWTH Aachen University
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * This file is part of MetalSVM. 
+ */
+
+#include <metalsvm/stddef.h>
+#include <metalsvm/stdio.h>
+#include <metalsvm/time.h>
+#include <metalsvm/tasks.h>
+#include <metalsvm/semaphore.h>
+#include <metalsvm/mailbox.h>
+#include <metalsvm/syscall.h>
+#ifdef CONFIG_ROCKCREEK
+#include <asm/icc.h>
+
+int STDCALL mail_ping(void* arg) {
+	icc_mail_ping();	
+	
+	return 0;
+}
+
+int mailbox_test_init(void)
+{
+	char* argv[] = {"/bin/mailbox", NULL};
+
+	create_user_task(NULL, "/bin/mailbox", argv);
+
+	return 0;
+}
+#endif	

kernel/main.c

@@ -35,7 +35,7 @@
 #endif
 
 extern int test_init(void);
-
+extern int mailbox_test_init(void);
 /* 
  * Note that linker symbols are not variables, they have no memory allocated for
  * maintaining a value, rather their address is their value.
@@ -115,7 +115,7 @@ int main(void)
 	sleep(5);
 	list_root();
 	test_init();
-
+	mailbox_test_init();
 	per_core(current_task)->status = TASK_IDLE;
 	reschedule();