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[/] [openrisc/] [trunk/] [orpsocv2/] [bench/] [verilog/] [vpi/] [c/] [gdb.h] - Blame information for rev 277

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1 40 julius 
/*$$HEADER*/
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/******************************************************************************/
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/*                                                                            */
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/*                    H E A D E R   I N F O R M A T I O N                     */
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/*                                                                            */
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/******************************************************************************/
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// Project Name                   : ORPSoCv2
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// File Name                      : gdb.h
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// Prepared By                    : jb, rmd
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// Project Start                  : 2008-10-01
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/*$$COPYRIGHT NOTICE*/
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/******************************************************************************/
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/*                                                                            */
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/*                      C O P Y R I G H T   N O T I C E                       */
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/*                                                                            */
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/******************************************************************************/
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/*
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  This library is free software; you can redistribute it and/or
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  modify it under the terms of the GNU Lesser General Public
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  License as published by the Free Software Foundation;
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  version 2.1 of the License, a copy of which is available from
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  http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt.
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  This library is distributed in the hope that it will be useful,
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  but WITHOUT ANY WARRANTY; without even the implied warranty of
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  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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  Lesser General Public License for more details.
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  You should have received a copy of the GNU Lesser General Public
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  License along with this library; if not, write to the Free Software
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  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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*/
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/*$$CHANGE HISTORY*/
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/******************************************************************************/
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/*                                                                            */
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/*                         C H A N G E  H I S T O R Y                         */
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/*                                                                            */
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/******************************************************************************/
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// Date         Version Description
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//------------------------------------------------------------------------
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// 081101               First revision, adapted from existing "jp"
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//                      debug proxy.                               jb, rmd
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// 090608               A few hacks for VPI compatibilty added          jb
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#ifndef GDB_H
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#define GDB_H
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#include <sys/types.h>
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#include <inttypes.h>
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extern void HandleServerSocket(void);
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extern void handle_rsp (void);
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int GetServerSocket(const char* name, const char* proto, int port);
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extern void JTAGRequest(void);
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void setup_or32(void);
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void gdb_close();
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void rsp_set_server_port(int);
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//extern int err;
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/* All JTAG chains.  */
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enum jtag_chains
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  {
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    SC_GLOBAL,      /* 0 Global BS Chain */
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    SC_RISC_DEBUG,  /* 1 RISC Debug Interface chain */
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    SC_RISC_TEST,   /* 2 RISC Test Chain */
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    SC_TRACE,       /* 3 Trace Chain */
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    SC_REGISTER,    /* 4 Register Chain */
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    SC_WISHBONE,    /* 5 Memory chain */
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    SC_BLOCK,       /* 6 Block Chains */
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  };
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/* See JTAG documentation about these.  */
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#define JI_SIZE (4)
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enum jtag_instr
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  {
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    JI_EXTEST,
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    JI_SAMPLE_PRELOAD,
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    JI_IDCODE,
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    JI_CHAIN_SELECT,
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    JI_INTEST,
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    JI_CLAMP,
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    JI_CLAMPZ,
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    JI_HIGHZ,
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    JI_DEBUG,
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    JI_BYPASS = 0xF
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  };
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/* JTAG registers.  */
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#define JTAG_MODER  (0x0)
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#define JTAG_TSEL   (0x1)
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#define JTAG_QSEL   (0x2)
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#define JTAG_SSEL   (0x3)
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#define JTAG_RISCOP (0x4)
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#define JTAG_RECWP0 (0x10)
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#define JTAG_RECBP0 (0x1b)
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/* This is repeated from gdb tm-or1k.h There needs to be
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   a better mechanism for tracking this, but I don't see
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   an easy way to share files between modules. */
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typedef enum {
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  JTAG_COMMAND_READ = 1,
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  JTAG_COMMAND_WRITE = 2,
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  JTAG_COMMAND_BLOCK_READ = 3,
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  JTAG_COMMAND_BLOCK_WRITE = 4,
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  JTAG_COMMAND_CHAIN = 5,
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} JTAG_proxy_protocol_commands;
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/* Each transmit structure must begin with an integer
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   which specifies the type of command. Information
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   after this is variable. Make sure to have all information
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   aligned properly. If we stick with 32 bit integers, it
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   should be portable onto every platform. These structures
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   will be transmitted across the network in network byte
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   order.
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*/
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/* Special purpose groups */
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#define OR1K_SPG_SIZE_BITS  11
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#define OR1K_SPG_SIZE       (1 << OR1K_SPG_SIZE_BITS)
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#define OR1K_SPG_SYS      0
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#define OR1K_SPG_DMMU     1
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#define OR1K_SPG_IMMU     2
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#define OR1K_SPG_DC       3
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#define OR1K_SPG_IC       4
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#define OR1K_SPG_MAC      5
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#define OR1K_SPG_DEBUG    6
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#define OR1K_SPG_PC       7
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#define OR1K_SPG_PM       8
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#define OR1K_SPG_PIC      9
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#define OR1K_SPG_TT      10
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#define OR1K_SPG_FPU     11
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typedef struct {
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  uint32_t command;
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  uint32_t length;
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  uint32_t address;
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  uint32_t data_H;
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  uint32_t data_L;
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} JTAGProxyWriteMessage;
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typedef struct {
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  uint32_t command;
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  uint32_t length;
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  uint32_t address;
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} JTAGProxyReadMessage;
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typedef struct {
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  uint32_t command;
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  uint32_t length;
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  uint32_t address;
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  int32_t  nRegisters;
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  uint32_t data[1];
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} JTAGProxyBlockWriteMessage;
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typedef struct {
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  uint32_t command;
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  uint32_t length;
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  uint32_t address;
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  int32_t  nRegisters;
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} JTAGProxyBlockReadMessage;
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typedef struct {
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  uint32_t command;
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  uint32_t length;
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  uint32_t chain;
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} JTAGProxyChainMessage;
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/* The responses are messages specific, however convention
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   states the first word should be an error code. Again,
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   sticking with 32 bit integers should provide maximum
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   portability. */
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typedef struct {
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  int32_t status;
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} JTAGProxyWriteResponse;
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typedef struct {
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  int32_t status;
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  uint32_t data_H;
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  uint32_t data_L;
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} JTAGProxyReadResponse;
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typedef struct {
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  int32_t status;
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} JTAGProxyBlockWriteResponse;
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typedef struct {
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  int32_t status;
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  int32_t nRegisters;
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  uint32_t data[1];
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  /* uint32_t data[nRegisters-1] still unread */
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} JTAGProxyBlockReadResponse;
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typedef struct {
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  int32_t status;
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} JTAGProxyChainResponse;
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#endif /* GDB_H */

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