From 84a42a0bb3b49acae215c533c3677f95f14fc752 Mon Sep 17 00:00:00 2001
From: adamdunkels <adamdunkels>
Date: Thu, 3 Jul 2008 23:11:27 +0000
Subject: [PATCH] xmem implementation for the native platform

---
 platform/native/Makefile.native |  2 +-
 platform/native/dev/xmem.c      | 88 +++++++++++++++++++++++++++++++++
 2 files changed, 89 insertions(+), 1 deletion(-)
 create mode 100644 platform/native/dev/xmem.c

diff --git a/platform/native/Makefile.native b/platform/native/Makefile.native
index f33e4ef5f..6e2752468 100644
--- a/platform/native/Makefile.native
+++ b/platform/native/Makefile.native
@@ -6,7 +6,7 @@ CONTIKI_TARGET_DIRS = . dev
 CONTIKI_TARGET_MAIN = ${addprefix $(OBJECTDIR)/,contiki-main.o}
 
 CONTIKI_TARGET_SOURCEFILES = contiki-main.c clock.c leds.c leds-arch.c \
-                button-sensor.c pir-sensor.c vib-sensor.c \
+                button-sensor.c pir-sensor.c vib-sensor.c xmem.c \
                 sensors.c irq.c random.c serial.c cfs-posix.c cfs-posix-dir.c
 
 CONTIKI_SOURCEFILES += $(CONTIKI_TARGET_SOURCEFILES)
diff --git a/platform/native/dev/xmem.c b/platform/native/dev/xmem.c
new file mode 100644
index 000000000..21f8edc0e
--- /dev/null
+++ b/platform/native/dev/xmem.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2004, Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ * Author: Adam Dunkels <adam@sics.se>
+ *
+ * $Id: xmem.c,v 1.1 2008/07/03 23:11:27 adamdunkels Exp $
+ */
+
+#include "contiki-conf.h"
+#include "dev/xmem.h"
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+
+#define XMEM_SIZE 1024 * 1024
+
+static unsigned char xmem[XMEM_SIZE];
+/*---------------------------------------------------------------------------*/
+int
+xmem_pwrite(const void *buf, int size, unsigned long offset)
+{
+  /*  int f;
+  char name[400];
+
+  snprintf(name, sizeof(name), "xmem.%d.%d", node_x(), node_y());
+  f = open(name, O_WRONLY | O_APPEND | O_CREAT, 0644);
+  lseek(f, addr, SEEK_SET);
+  write(f, buf, size);
+  close(f);*/
+  
+  printf("xmem_write(offset 0x%02x, buf %p, size %d);\n", offset, buf, size);
+  
+  memcpy(&xmem[offset], buf, size);
+  return size;
+}
+/*---------------------------------------------------------------------------*/
+int
+xmem_pread(void *buf, int size, unsigned long offset)
+{
+  /*  printf("xmem_read(addr 0x%02x, buf %p, size %d);\n", addr, buf, size);*/
+  memcpy(buf, &xmem[offset], size);
+  return size;
+}
+/*---------------------------------------------------------------------------*/
+int
+xmem_erase(long nbytes, unsigned long offset)
+{
+  /*  printf("xmem_read(addr 0x%02x, buf %p, size %d);\n", addr, buf, size);*/
+  memset(&xmem[offset], 0, nbytes);
+  return nbytes;
+}
+/*---------------------------------------------------------------------------*/
+void
+xmem_init(void)
+{
+
+}
+/*---------------------------------------------------------------------------*/