Linux 2.1.3 Open Source Gold Release

Security updates to Linux SDK and PSW Support for Intel SGX Protected Code Loader Signed-off-by: Li, Xun <xun.li@intel.com>
2026-06-08 14:49:32 +00:00 · 2018-05-10 11:05:38 +08:00
parent 4b31cebfe5
commit 75dd558bda
1404 changed files with 92858 additions and 55199 deletions
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2011-2018 Intel Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in
+ *     the documentation and/or other materials provided with the
+ *     distribution.
+ *   * Neither the name of Intel Corporation nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include <stdio.h>
+#include <thread>
+using namespace std;
+
+#include "../App.h"
+#include "Enclave_u.h"
+
+static size_t counter = 0;
+
+void increase_counter(void)
+{
+    size_t cnr = 0;
+    sgx_status_t ret = SGX_ERROR_UNEXPECTED;
+    ret = ecall_increase_counter(global_eid, &cnr);
+    if (cnr != 0) counter = cnr; 
+    if (ret != SGX_SUCCESS)
+        abort();
+}
+
+void data_producer(void)
+{
+    sgx_status_t ret = SGX_ERROR_UNEXPECTED;
+    ret = ecall_producer(global_eid);
+    if (ret != SGX_SUCCESS)
+        abort();
+}
+
+void data_consumer(void)
+{
+    sgx_status_t ret = SGX_ERROR_UNEXPECTED;
+    ret = ecall_consumer(global_eid);
+    if (ret != SGX_SUCCESS)
+        abort();
+}
+
+/* ecall_thread_functions:
+ *   Invokes thread functions including mutex, condition variable, etc.
+ */
+void ecall_thread_functions(void)
+{
+    thread adder1(increase_counter);
+    thread adder2(increase_counter);
+    thread adder3(increase_counter);
+    thread adder4(increase_counter);
+
+    adder1.join();
+    adder2.join();
+    adder3.join();
+    adder4.join();
+
+    assert(counter == 4*LOOPS_PER_THREAD);
+
+    printf("Info: executing thread synchronization, please wait...  \n");
+    /* condition variable */
+    thread consumer1(data_consumer);
+    thread producer0(data_producer);
+    thread consumer2(data_consumer);
+    thread consumer3(data_consumer);
+    thread consumer4(data_consumer);
+    
+    consumer1.join();
+    consumer2.join();
+    consumer3.join();
+    consumer4.join();
+    producer0.join();
+}