1/***********************license start***************
2 * Copyright (c) 2003-2010  Cavium Inc. (support@cavium.com). All rights
3 * reserved.
4 *
5 *
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14 *     copyright notice, this list of conditions and the following
15 *     disclaimer in the documentation and/or other materials provided
16 *     with the distribution.
17
18 *   * Neither the name of Cavium Inc. nor the names of
19 *     its contributors may be used to endorse or promote products
20 *     derived from this software without specific prior written
21 *     permission.
22
23 * This Software, including technical data, may be subject to U.S. export  control
24 * laws, including the U.S. Export Administration Act and its  associated
25 * regulations, and may be subject to export or import  regulations in other
26 * countries.
27
28 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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37 * PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
38 ***********************license end**************************************/
39
40
41#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
42#include <linux/module.h>
43#include <asm/octeon/cvmx.h>
44#include <asm/octeon/cvmx-debug.h>
45
46#define cvmx_interrupt_in_isr 0
47
48#else
49#include "cvmx.h"
50#include "cvmx-debug.h"
51
52#ifndef CVMX_BUILD_FOR_TOOLCHAIN
53extern int cvmx_interrupt_in_isr;
54#else
55#define cvmx_interrupt_in_isr 0
56#endif
57
58#endif
59
60
61static void cvmx_debug_remote_mem_wait_for_resume(volatile cvmx_debug_core_context_t *context, cvmx_debug_state_t state)
62{
63    //
64    // If we are stepping and not stepping into an interrupt and the debug
65    // exception happened in an interrupt, continue the execution.
66     //
67    if(!state.step_isr &&
68       (context->cop0.debug & 0x1) && /* Single stepping */
69       !(context->cop0.debug & 0x1e) && /* Did not hit a breakpoint */
70       ((context->cop0.status & 0x2) || cvmx_interrupt_in_isr))
71        return;
72
73    context->remote_controlled = 1;
74    CVMX_SYNCW;
75    while (context->remote_controlled)
76        ;
77    CVMX_SYNCW;
78}
79
80static void cvmx_debug_memory_change_core(int oldcore, int newcore)
81{
82  /* FIXME, this should change the core on the host side too. */
83}
84
85cvmx_debug_comm_t cvmx_debug_remote_comm =
86{
87  .init = NULL,
88  .install_break_handler = NULL,
89  .needs_proxy = 0,
90  .getpacket = NULL,
91  .putpacket = NULL,
92  .wait_for_resume = cvmx_debug_remote_mem_wait_for_resume,
93  .change_core = cvmx_debug_memory_change_core,
94};
95