/* config.h -- Simulator configuration header file
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/* config.h -- Simulator configuration header file
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Copyright (C) 2001 Chris Ziomkowski, chris@asics.ws
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Copyright (C) 2001 Chris Ziomkowski, chris@asics.ws
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Copyright (C) 2008 Embecosm Limited
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Copyright (C) 2008 Embecosm Limited
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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 is part of Or1ksim, the OpenRISC 1000 Architectural Simulator.
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This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator.
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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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This program is distributed in the hope that it will be useful, but WITHOUT
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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more details.
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You should have received a copy of the GNU General Public License along
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You should have received a copy of the GNU General Public License along
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with this program. If not, see <http://www.gnu.org/licenses/>. */
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with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* This program is commented throughout in a fashion suitable for processing
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/* This program is commented throughout in a fashion suitable for processing
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with Doxygen. */
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with Doxygen. */
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/* The data in here is copied from or1k-jtag.h in the GDB 6.8 port for
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/* The data in here is copied from or1k-jtag.h in the GDB 6.8 port for
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OpenRISC 1000 */
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OpenRISC 1000 */
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#ifndef GDB__H
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#ifndef GDB__H
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#define GDB__H
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#define GDB__H
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/*! Error codes for the OpenRISC 1000 JTAG debugging protocol */
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/*! Error codes for the OpenRISC 1000 JTAG debugging protocol */
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enum or1k_jtag_errors /* modified <chris@asics.ws> CZ 24/05/01 */
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enum or1k_jtag_errors /* modified <chris@asics.ws> CZ 24/05/01 */
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{
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{
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/* Codes > 0 are for system errors */
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/* Codes > 0 are for system errors */
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ERR_NONE = 0,
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ERR_NONE = 0,
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ERR_CRC = -1,
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ERR_CRC = -1,
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ERR_MEM = -2,
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ERR_MEM = -2,
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JTAG_PROXY_INVALID_COMMAND = -3,
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JTAG_PROXY_INVALID_COMMAND = -3,
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JTAG_PROXY_SERVER_TERMINATED = -4,
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JTAG_PROXY_SERVER_TERMINATED = -4,
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JTAG_PROXY_NO_CONNECTION = -5,
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JTAG_PROXY_NO_CONNECTION = -5,
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JTAG_PROXY_PROTOCOL_ERROR = -6,
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JTAG_PROXY_PROTOCOL_ERROR = -6,
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JTAG_PROXY_COMMAND_NOT_IMPLEMENTED = -7,
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JTAG_PROXY_COMMAND_NOT_IMPLEMENTED = -7,
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JTAG_PROXY_INVALID_CHAIN = -8,
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JTAG_PROXY_INVALID_CHAIN = -8,
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JTAG_PROXY_INVALID_ADDRESS = -9,
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JTAG_PROXY_INVALID_ADDRESS = -9,
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JTAG_PROXY_ACCESS_EXCEPTION = -10, /* Write to ROM */
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JTAG_PROXY_ACCESS_EXCEPTION = -10, /* Write to ROM */
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JTAG_PROXY_INVALID_LENGTH = -11,
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JTAG_PROXY_INVALID_LENGTH = -11,
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JTAG_PROXY_OUT_OF_MEMORY = -12
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JTAG_PROXY_OUT_OF_MEMORY = -12
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};
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};
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/*! The OR1K JTAG proxy protocol commands. */
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/*! The OR1K JTAG proxy protocol commands. */
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enum or1k_jtag_proxy_protocol_commands {
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enum or1k_jtag_proxy_protocol_commands {
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OR1K_JTAG_COMMAND_READ = 1,
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OR1K_JTAG_COMMAND_READ = 1,
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OR1K_JTAG_COMMAND_WRITE = 2,
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OR1K_JTAG_COMMAND_WRITE = 2,
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OR1K_JTAG_COMMAND_READ_BLOCK = 3,
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OR1K_JTAG_COMMAND_READ_BLOCK = 3,
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OR1K_JTAG_COMMAND_WRITE_BLOCK = 4,
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OR1K_JTAG_COMMAND_WRITE_BLOCK = 4,
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OR1K_JTAG_COMMAND_CHAIN = 5,
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OR1K_JTAG_COMMAND_CHAIN = 5,
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};
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};
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/* Each transmit structure must begin with an integer which specifies the type
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/* Each transmit structure must begin with an integer which specifies the type
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of command. Information after this is variable. Make sure to have all
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of command. Information after this is variable. Make sure to have all
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information aligned properly. If we stick with 32 bit integers, it should
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information aligned properly. If we stick with 32 bit integers, it should
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be portable onto every platform. These structures will be transmitted
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be portable onto every platform. These structures will be transmitted
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across the network in network byte order. */
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across the network in network byte order. */
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struct jtr_read_message {
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struct jtr_read_message {
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uint32_t command;
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uint32_t command;
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uint32_t length;
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uint32_t length;
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uint32_t address;
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uint32_t address;
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};
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};
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struct jtr_write_message {
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struct jtr_write_message {
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uint32_t command;
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uint32_t command;
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uint32_t length;
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uint32_t length;
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uint32_t address;
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uint32_t address;
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uint32_t data_h;
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uint32_t data_h;
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uint32_t data_l;
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uint32_t data_l;
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};
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};
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struct jtr_read_block_message {
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struct jtr_read_block_message {
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uint32_t command;
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uint32_t command;
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uint32_t length;
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uint32_t length;
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uint32_t address;
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uint32_t address;
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int32_t num_regs;
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int32_t num_regs;
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};
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};
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struct jtr_write_block_message {
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struct jtr_write_block_message {
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uint32_t command;
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uint32_t command;
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uint32_t length;
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uint32_t length;
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uint32_t address;
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uint32_t address;
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int32_t num_regs;
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int32_t num_regs;
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uint32_t data[1];
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uint32_t data[1];
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};
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};
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struct jtr_chain_message {
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struct jtr_chain_message {
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uint32_t command;
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uint32_t command;
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uint32_t length;
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uint32_t length;
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uint32_t chain;
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uint32_t chain;
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};
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};
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/* The responses are messages specific, however convention states the first
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/* The responses are messages specific, however convention states the first
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word should be an error code. Again, sticking with 32 bit integers should
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word should be an error code. Again, sticking with 32 bit integers should
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provide maximum portability. */
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provide maximum portability. */
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struct jtr_failure_response {
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struct jtr_failure_response {
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int32_t status;
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int32_t status;
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};
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};
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struct jtr_read_response {
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struct jtr_read_response {
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int32_t status;
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int32_t status;
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uint32_t data_h;
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uint32_t data_h;
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uint32_t data_l;
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uint32_t data_l;
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};
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};
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struct jtr_write_response {
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struct jtr_write_response {
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int32_t status;
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int32_t status;
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};
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};
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struct jtr_read_block_response {
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struct jtr_read_block_response {
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int32_t status;
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int32_t status;
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int32_t num_regs;
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int32_t num_regs;
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uint32_t data[1];
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uint32_t data[1];
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};
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};
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struct jtr_write_block_response {
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struct jtr_write_block_response {
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int32_t status;
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int32_t status;
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};
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};
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struct jtr_chain_response {
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struct jtr_chain_response {
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int32_t status;
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int32_t status;
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};
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};
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#endif /* GDB__H */
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#endif /* GDB__H */
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