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/***********************license start***************
 * Copyright (c) 2003-2010  Cavium Networks (support@cavium.com). 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.
 *
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 *     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 Cavium Networks 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, including technical data, may be subject to U.S. export  control
 * laws, including the U.S. Export Administration Act and its  associated
 * regulations, and may be subject to export or import  regulations in other
 * countries.

 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
 * AND WITH ALL FAULTS AND CAVIUM  NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR
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 ***********************license end**************************************/


#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
#include <linux/module.h>
#include <asm/octeon/cvmx.h>
#include <asm/octeon/cvmx-debug.h>

#define cvmx_interrupt_in_isr 0

#else
#include "executive-config.h"
#include "cvmx.h"
#include "cvmx-debug.h"

#ifndef __OCTEON_NEWLIB__
extern int cvmx_interrupt_in_isr;
#else
#define cvmx_interrupt_in_isr 0
#endif

#endif


static void cvmx_debug_remote_mem_wait_for_resume(volatile cvmx_debug_core_context_t *context, cvmx_debug_state_t state)
{
    //
    // If we are stepping and not stepping into an interrupt and the debug
    // exception happened in an interrupt, continue the execution.
     //
    if(!state.step_isr &&
       (context->cop0.debug & 0x1) && /* Single stepping */
       !(context->cop0.debug & 0x1e) && /* Did not hit a breakpoint */
       ((context->cop0.status & 0x2) || cvmx_interrupt_in_isr))
        return;

    context->remote_controlled = 1;
    CVMX_SYNCW;
    while (context->remote_controlled)
        ;
    CVMX_SYNCW;
}

static void cvmx_debug_memory_change_core(int oldcore, int newcore)
{
  /* FIXME, this should change the core on the host side too. */
}

cvmx_debug_comm_t cvmx_debug_remote_comm =
{
  .init = NULL,
  .install_break_handler = NULL,
  .needs_proxy = 0,
  .getpacket = NULL,
  .putpacket = NULL,
  .wait_for_resume = cvmx_debug_remote_mem_wait_for_resume,
  .change_core = cvmx_debug_memory_change_core,
};

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