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/* rsp-server.c -- Remote Serial Protocol server for GDB
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/* rsp-server.c -- Remote Serial Protocol server for GDB
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Copyright (C) 2008 Embecosm Limited
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Copyright (C) 2008 Embecosm Limited
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Copyright (C) 2008-2010 Nathan Yawn <nyawn@opencores.net>
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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This file was part of Or1ksim, the OpenRISC 1000 Architectural Simulator.
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This file was part of Or1ksim, the OpenRISC 1000 Architectural Simulator.
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Adapted for adv_jtag_bridge by Nathan Yawn <nyawn@opencores.org>
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Adapted for adv_jtag_bridge by Nathan Yawn
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This program is free software; you can redistribute it and/or modify it
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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under the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your option)
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Software Foundation; either version 3 of the License, or (at your option)
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any later version.
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any later version.
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}
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}
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local_state = target_handler_state;
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local_state = target_handler_state;
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pthread_mutex_unlock(&target_handler_mutex);
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pthread_mutex_unlock(&target_handler_mutex);
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if(local_state == 1) // Then start target polling loop, but keep checking for DETACH. State 1 == GO
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if(local_state == 1) // Then start target polling loop, but keep checking for DETACH. State 1 == GO
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{
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{
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while(1)
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while(1)
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{
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{
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// non-blocking check for DETACH signal
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// non-blocking check for DETACH signal
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pthread_mutex_unlock(&target_handler_mutex);
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pthread_mutex_unlock(&target_handler_mutex);
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break; // Stop polling, block on the next GO/DETACH
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break; // Stop polling, block on the next GO/DETACH
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}
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}
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}
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}
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usleep(250000); // This thread make rsp handle too slow, so sleep a little bit longer
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usleep(250000); // wait 1/4 second before polling again.
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}
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}
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} else {
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}
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else
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{
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fprintf(stderr, "Unknown command 0x%X received by target handler thread\n", local_state);
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fprintf(stderr, "Unknown command 0x%X received by target handler thread\n", local_state);
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pthread_mutex_lock(&target_handler_mutex); // Set our own state back to STOP
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pthread_mutex_lock(&target_handler_mutex); // Set our own state back to STOP
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target_handler_state = 0;
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target_handler_state = 0;
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pthread_mutex_unlock(&target_handler_mutex);
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pthread_mutex_unlock(&target_handler_mutex);
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}
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}
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