diff options
Diffstat (limited to 'sys/contrib/octeon-sdk/cvmx-debug-remote.c')
-rw-r--r-- | sys/contrib/octeon-sdk/cvmx-debug-remote.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/sys/contrib/octeon-sdk/cvmx-debug-remote.c b/sys/contrib/octeon-sdk/cvmx-debug-remote.c new file mode 100644 index 0000000..b0808eb --- /dev/null +++ b/sys/contrib/octeon-sdk/cvmx-debug-remote.c @@ -0,0 +1,95 @@ +/***********************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. + * + * * 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 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 + * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO + * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR + * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM + * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, + * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF + * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR + * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR + * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. + ***********************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, +}; |