[all]: change osal file name prefix from rk_ to mpp_

git-svn-id: https://10.10.10.66:8443/svn/MediaProcessPlatform/trunk/mpp@58 6e48237b-75ef-9749-8fc9-41990f28c85a

osal/mpp_malloc.cpp

@@ -0,0 +1,118 @@
+/*
+ * Copyright 2010 Rockchip Electronics S.LSI Co. LTD
+ *
+ * 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.
+ */
+
+#define MODULE_TAG "rk_malloc"
+#include "rk_type.h"
+#include "rk_log.h"
+#include "rk_env.h"
+#include "rk_malloc.h"
+#include "rk_list.h"
+#include "mpp_err.h"
+
+#include "os_malloc.h"
+#include <string.h>
+
+// export configure for script detection
+#define CONFIG_OSAL_MEM_LIST        "osal_mem_list"
+#define CONFIG_OSAL_MEM_STUFF       "osal_mem_stuff"
+
+
+// default memory align size is set to 32
+#define RK_OSAL_MEM_ALIGN       32
+
+// osal_mem_flag bit mask
+#define OSAL_MEM_LIST_EN        (0x00000001)
+#define OSAL_MEM_STUFF_EN       (0x00000002)
+
+static RK_S32 osal_mem_flag = -1;
+static struct list_head mem_list;
+
+struct mem_node {
+    struct list_head list;
+    void *ptr;
+    size_t size;
+
+    /* memory node extra information */
+    char tag[32];
+};
+
+static void get_osal_mem_flag()
+{
+    if (osal_mem_flag < 0) {
+        RK_U32 val;
+        osal_mem_flag = 0;
+        rk_get_env_u32(CONFIG_OSAL_MEM_LIST, &val, 0);
+        if (val) {
+            osal_mem_flag |= OSAL_MEM_LIST_EN;
+        }
+        rk_get_env_u32(CONFIG_OSAL_MEM_STUFF, &val, 0);
+        if (val) {
+            osal_mem_flag |= OSAL_MEM_STUFF_EN;
+        }
+        INIT_LIST_HEAD(&mem_list);
+    }
+}
+
+void *rk_mpp_malloc(char *tag, size_t size)
+{
+    void *ptr;
+    get_osal_mem_flag();
+
+    if (MPP_OK == os_malloc(&ptr, RK_OSAL_MEM_ALIGN, size)) {
+        if (osal_mem_flag & OSAL_MEM_LIST_EN) {
+            struct mem_node *node = (struct mem_node *)malloc(sizeof(struct mem_node));
+            INIT_LIST_HEAD(&node->list);
+            list_add_tail(&node->list, &mem_list);
+            node->ptr   = ptr;
+            node->size  = size;
+            strncpy(node->tag, tag, sizeof(node->tag));
+        }
+
+        return ptr;
+    } else
+        return NULL;
+}
+
+void rk_mpp_free(void *ptr)
+{
+    if (NULL == ptr)
+        return;
+
+    get_osal_mem_flag();
+
+    if (osal_mem_flag & OSAL_MEM_LIST_EN) {
+        struct mem_node *pos, *n;
+        list_for_each_entry_safe(pos, n, &mem_list, struct mem_node, list) {
+            if (ptr == pos->ptr) {
+                list_del_init(&pos->list);
+                free(pos);
+                break;
+            }
+        }
+    }
+
+    os_free(ptr);
+}
+
+/*
+ * dump memory status
+ * this function need MODULE_TAG statistic information
+ */
+void rk_mpp_show_mem_status()
+{
+    // TODO: add memory dump implement
+}
+