1 files changed, 96 insertions, 0 deletions
diff --git a/libs/binder/MemoryHeapBaseIon.cpp b/libs/binder/MemoryHeapBaseIon.cpp
new file mode 100644
index 0000000..fe7dbb8
--- /dev/null
+++ b/libs/binder/MemoryHeapBaseIon.cpp
@@ -0,0 +1,96 @@
+/*
+ * Copyright Samsung Electronics Co.,LTD.
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * 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.
+ */
+/*!
+ * \file MemoryHeapBaseIon.cpp
+ * \brief source file for MemoryHeapBaseIon
+ * \author MinGu, Jeon(mingu85.jeon)
+ * \date 2011/11/20
+ *
+ * <b>Revision History: </b>
+ * - 2011/11/20 : MinGu, Jeon(mingu85.jeon)) \n
+ * Initial version
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <cutils/log.h>
+#include <binder/MemoryHeapBase.h>
+#include <binder/IMemory.h>
+#include <binder/MemoryHeapBaseIon.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#include "ion.h"
+
+namespace android {
+
+MemoryHeapBaseIon::MemoryHeapBaseIon(size_t size, uint32_t flags, char const *name)
+{
+    mIonClient = ion_client_create();
+    if (mIonClient < 0) {
+        mIonClient = -1;
+        ALOGE("MemoryHeapBaseIon : ION client creation failed");
+    }
+    void* base = NULL;
+    int fd = ion_alloc(mIonClient, size, 0, ION_HEAP_EXYNOS_MASK);
+
+    if (fd < 0) {
+        ALOGE("MemoryHeapBaseIon : ION memory allocation failed");
+    } else {
+        flags |= USE_ION_FD;
+        base = ion_map(fd, size, 0);
+        if (base != MAP_FAILED)
+            init(fd, base, size, flags, NULL);
+        else
+            ALOGE("MemoryHeapBaseIon : mmap failed");
+    }
+}
+
+MemoryHeapBaseIon::MemoryHeapBaseIon(int fd, size_t size, uint32_t flags, uint32_t offset)
+{
+    ALOGE_IF(fd < 0, "MemoryHeapBaseIon : file discriptor error. fd is not for ION Memory");
+    mIonClient = ion_client_create();
+    if (mIonClient < 0) {
+        mIonClient = -1;
+        ALOGE("MemoryHeapBaseIon : ION client creation failed");
+    }
+    void* base = NULL;
+    if (fd >= 0) {
+        int dup_fd = dup(fd);
+        flags |= USE_ION_FD;
+        base = ion_map(dup_fd, size, 0);
+        if (base != MAP_FAILED)
+            init(dup_fd, base, size, flags, NULL);
+        else
+            ALOGE("MemoryHeapBaseIon : mmap failed");
+    }
+}
+
+MemoryHeapBaseIon::~MemoryHeapBaseIon()
+{
+    if (mIonClient != -1) {
+        ion_unmap(getBase(), getSize());
+        ion_free(getHeapID());
+        ion_client_destroy(mIonClient);
+        mIonClient = -1;
+    }
+}
+
+};