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// IBM_PROLOG_BEGIN_TAG
// This is an automatically generated prolog.
//
// $Source: src/include/kernel/idebug.H $
//
// IBM CONFIDENTIAL
//
// COPYRIGHT International Business Machines Corp. 2011
//
// p1
//
// Object Code Only (OCO) source materials
// Licensed Internal Code Source Materials
// IBM HostBoot Licensed Internal Code
//
// The source code for this program is not published or other-
// wise divested of its trade secrets, irrespective of what has
// been deposited with the U.S. Copyright Office.
//
// Origin: 30
//
// IBM_PROLOG_END
#ifndef __KERNEL_IDEBUG_H
#define __KERNEL_IDEBUG_H
/** @file idebug.H
* @brief Structure for interactive debug support.
*/
#include <kernel/types.h>
#include <kernel/taskmgr.H>
/** @class InteractiveDebug
* @brief Structure that defines data needed for an interactive-debug call.
*/
class InteractiveDebug
{
public:
/** Union to contain the state information between the kernel and
* the debug tool.
*/
union
{
struct
{
/** Boolean for 'ready' state. */
uint8_t ready;
/** Boolean to mark kernel running request. */
uint8_t running;
/** Boolean to mark execution is complete. */
uint8_t complete;
uint8_t __reserved[5];
};
/** Word so that state can be atomically updated. */
uint64_t state_value;
};
/** Address of the desired function's TOC. */
uint64_t entry_point_toc;
/** Return value from function. */
uint64_t return_value;
/** Desired function parameters. */
uint64_t parms[8];
/** @brief Returns the 'ready' state from the union. */
bool isReady() { return ready != 0; };
/** @brief Creates a userspace task to execute debug call.
*
* @pre 'ready' state set and entry_point/parms are initialized by
* the debug tool.
*
* @post A detached task is created to execute the function.
*/
void startDebugTask();
private:
/** @brief Entry point for 'task_create' of debug task.
* @param[in] idebug - Pointer to this interactive-debug structure.
*/
static void debugEntryPoint(void* idebug);
};
#endif
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