Add initial support for IDE

--HG--
extra : convert_revision : e07dc6c87b0b692d428b541d4032fcf82996ef15

1 files changed, 99 insertions, 0 deletions

diff --git a/dev/ide_disk.hh b/dev/ide_disk.hh
new file mode 100644
index 000000000..29ddd4be7
--- /dev/null
+++ b/dev/ide_disk.hh
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2003 The Regents of The University of Michigan
+ * 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 the copyright holders 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.
+ */
+
+/** @file
+ * Device model for an IDE disk
+ */
+
+#ifndef __IDE_DISK_HH__
+#define __IDE_DISK_HH__
+
+#include "dev/io_device.hh"
+
+class DiskImage;
+class IdeController;
+
+/**
+ * SCSI Disk device model
+ */
+class IdeDisk : public SimObject
+{
+  protected:
+    /** The IDE controller for this disk. */
+    IdeController *ctrl;
+    /** The image that contains the data of this disk. */
+    DiskImage *image;
+
+  protected:
+    /** The disk delay in milliseconds. */
+    int diskDelay;
+
+  public:
+    /**
+     * Create and initialize this Disk.
+     * @param name The name of this disk.
+     * @param img The disk image of this disk.
+     * @param disk_delay The disk delay in milliseconds
+     */
+    IdeDisk(const std::string &name, DiskImage *img, int disk_delay);
+
+    /**
+     * Delete the data buffer.
+     */
+    ~IdeDisk();
+
+    /**
+     * Set the controller for this device
+     * @param c The IDE controller
+     */
+    void setController(IdeController *c) {
+        if (ctrl) panic("Cannot change the controller once set!\n");
+        ctrl = c;
+    }
+
+    void startIO(uint8_t *cmdBlk, uint8_t *prdPtr) {};
+
+    void dmaStart() {};
+    void dmaStop() {};
+
+    /**
+     * Serialize this object to the given output stream.
+     * @param os The stream to serialize to.
+     */
+    void serialize(std::ostream &os);
+
+    /**
+     * Reconstruct the state of this object from a checkpoint.
+     * @param cp The checkpoint to use.
+     * @param section The section name describing this object.
+     */
+    void unserialize(Checkpoint *cp, const std::string &section);
+};
+
+
+#endif // __IDE_DISK_HH__