1335 lines
41 KiB
C
1335 lines
41 KiB
C
/* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause) */
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/*----------------------------------------------------------------------------
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* Copyright 2020-2022 Cadence Design Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*----------------------------------------------------------------------------
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*----------------------------------------------------------------------------
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*/
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/*!
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* @file
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*
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* @brief the virtual debug interface provides a connection between a sw debugger
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* and the simulated, emulated core. The openOCD client connects via TCP sockets
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* with vdebug server and over DPI-based transactor with the emulation or simulation
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* The vdebug debug driver supports JTAG and DAP-level transports
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef _WIN32
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#else
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#ifdef HAVE_UNISTD_H
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#include <unistd.h> /* close */
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef HAVE_ARPA_INET_H
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#include <arpa/inet.h>
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#endif
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#ifdef HAVE_NETDB_H
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#include <netdb.h>
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#endif
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#endif
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#include <stdio.h>
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#include <stdarg.h>
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#include <string.h>
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#include <errno.h>
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#include "jtag/interface.h"
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#include "jtag/commands.h"
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#include "transport/transport.h"
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#include "target/arm_adi_v5.h"
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#include "helper/time_support.h"
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#include "helper/replacements.h"
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#include "helper/log.h"
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#include "helper/list.h"
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#define VD_VERSION 44
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#define VD_BUFFER_LEN 4024
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#define VD_CHEADER_LEN 24
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#define VD_SHEADER_LEN 16
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#define VD_MAX_MEMORIES 20
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#define VD_POLL_INTERVAL 500
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#define VD_SCALE_PSTOMS 1000000000
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/**
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* @brief List of transactor types
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*/
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enum {
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VD_BFM_JTDP = 0x0001, /* transactor DAP JTAG DP */
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VD_BFM_SWDP = 0x0002, /* transactor DAP SWD DP */
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VD_BFM_AHB = 0x0003, /* transactor AMBA AHB */
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VD_BFM_APB = 0x0004, /* transactor AMBA APB */
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VD_BFM_AXI = 0x0005, /* transactor AMBA AXI */
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VD_BFM_JTAG = 0x0006, /* transactor serial JTAG */
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VD_BFM_SWD = 0x0007, /* transactor serial SWD */
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};
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/**
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* @brief List of signals that can be read or written by the debugger
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*/
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enum {
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VD_SIG_TCK = 0x0001, /* JTAG clock; tclk */
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VD_SIG_TDI = 0x0002, /* JTAG TDI; tdi */
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VD_SIG_TMS = 0x0004, /* JTAG TMS; tms */
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VD_SIG_RESET = 0x0008, /* DUT reset; rst */
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VD_SIG_TRST = 0x0010, /* JTAG Reset; trstn */
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VD_SIG_TDO = 0x0020, /* JTAG TDO; tdo */
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VD_SIG_POWER = 0x0100, /* BFM power; bfm_up */
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VD_SIG_TCKDIV = 0x0200, /* JTAG clock divider; tclkdiv */
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VD_SIG_BUF = 0x1000, /* memory buffer; mem */
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};
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/**
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* @brief List of errors
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*/
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enum {
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VD_ERR_NONE = 0x0000, /* no error */
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VD_ERR_NOT_IMPL = 0x0100, /* feature not implemented */
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VD_ERR_USAGE = 0x0101, /* incorrect usage */
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VD_ERR_PARAM = 0x0102, /* incorrect parameter */
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VD_ERR_CONFIG = 0x0107, /* incorrect configuration */
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VD_ERR_NO_MEMORY = 0x0104, /* out of memory */
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VD_ERR_SHM_OPEN = 0x010a, /* cannot open shared memory */
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VD_ERR_SHM_MAP = 0x010b, /* cannot map shared memory */
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VD_ERR_SOC_OPEN = 0x011a, /* cannot open socket */
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VD_ERR_SOC_OPT = 0x011b, /* cannot set socket option */
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VD_ERR_SOC_ADDR = 0x011c, /* cannot resolve host address */
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VD_ERR_SOC_CONN = 0x011d, /* cannot connect to host */
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VD_ERR_SOC_SEND = 0x011e, /* error sending data on socket */
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VD_ERR_SOC_RECV = 0x011f, /* error receiving data from socket */
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VD_ERR_LOCKED = 0x0202, /* device locked */
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VD_ERR_NOT_RUN = 0x0204, /* transactor not running */
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VD_ERR_NOT_OPEN = 0x0205, /* transactor not open/connected */
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VD_ERR_LICENSE = 0x0206, /* cannot check out the license */
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VD_ERR_VERSION = 0x0207, /* transactor version mismatch */
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VD_ERR_TIME_OUT = 0x0301, /* time out, waiting */
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VD_ERR_NO_POWER = 0x0302, /* power out error */
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VD_ERR_BUS_ERROR = 0x0304, /* bus protocol error, like pslverr */
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VD_ERR_NO_ACCESS = 0x0306, /* no access to an object */
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VD_ERR_INV_HANDLE = 0x0307, /* invalid object handle */
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VD_ERR_INV_SCOPE = 0x0308, /* invalid scope */
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};
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enum {
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VD_CMD_OPEN = 0x01,
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VD_CMD_CLOSE = 0x02,
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VD_CMD_CONNECT = 0x04,
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VD_CMD_DISCONNECT = 0x05,
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VD_CMD_WAIT = 0x09,
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VD_CMD_SIGSET = 0x0a,
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VD_CMD_SIGGET = 0x0b,
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VD_CMD_JTAGCLOCK = 0x0f,
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VD_CMD_REGWRITE = 0x15,
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VD_CMD_REGREAD = 0x16,
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VD_CMD_JTAGSHTAP = 0x1a,
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VD_CMD_MEMOPEN = 0x21,
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VD_CMD_MEMCLOSE = 0x22,
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VD_CMD_MEMWRITE = 0x23,
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};
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enum {
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VD_ASPACE_AP = 0x01,
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VD_ASPACE_DP = 0x02,
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VD_ASPACE_ID = 0x03,
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VD_ASPACE_AB = 0x04,
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};
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enum {
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VD_BATCH_NO = 0,
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VD_BATCH_WO = 1,
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VD_BATCH_WR = 2,
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};
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struct vd_shm {
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struct { /* VD_CHEADER_LEN written by client */
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uint8_t cmd; /* 000; command */
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uint8_t type; /* 001; interface type */
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uint8_t waddr[2]; /* 002; write pointer */
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uint8_t wbytes[2]; /* 004; data bytes */
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uint8_t rbytes[2]; /* 006; data bytes to read */
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uint8_t wwords[2]; /* 008; data words */
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uint8_t rwords[2]; /* 00a; data words to read */
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uint8_t rwdata[4]; /* 00c; read/write data */
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uint8_t offset[4]; /* 010; address offset */
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uint8_t offseth[2]; /* 014; address offset 47:32 */
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uint8_t wid[2]; /* 016; request id*/
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};
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uint8_t wd8[VD_BUFFER_LEN]; /* 018; */
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struct { /* VD_SHEADER_LEN written by server */
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uint8_t rid[2]; /* fd0: request id read */
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uint8_t awords[2]; /* fd2: actual data words read back */
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uint8_t status[4]; /* fd4; */
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uint8_t duttime[8]; /* fd8; */
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};
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uint8_t rd8[VD_BUFFER_LEN]; /* fe0: */
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uint8_t state[4]; /* 1f98; connection state */
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uint8_t count[4]; /* 1f9c; */
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uint8_t dummy[96]; /* 1fa0; 48+40B+8B; */
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} __attribute__((packed));
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struct vd_rdata {
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struct list_head lh;
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uint8_t *rdata;
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};
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struct vd_client {
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uint8_t trans_batch;
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bool trans_first;
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bool trans_last;
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uint8_t mem_ndx;
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uint8_t buf_width;
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uint8_t addr_bits;
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uint8_t bfm_type;
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uint16_t sig_read;
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uint16_t sig_write;
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uint32_t bfm_period;
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uint32_t mem_base[VD_MAX_MEMORIES];
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uint32_t mem_size[VD_MAX_MEMORIES];
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uint32_t mem_width[VD_MAX_MEMORIES];
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uint32_t mem_depth[VD_MAX_MEMORIES];
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uint16_t server_port;
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uint32_t poll_cycles;
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uint32_t poll_min;
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uint32_t poll_max;
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uint32_t targ_time;
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int hsocket;
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char server_name[32];
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char bfm_path[128];
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char mem_path[VD_MAX_MEMORIES][128];
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struct vd_rdata rdataq;
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};
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struct vd_jtag_hdr {
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uint64_t tlen:24;
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uint64_t post:3;
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uint64_t pre:3;
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uint64_t cmd:2;
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uint64_t wlen:16;
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uint64_t rlen:16;
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};
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struct vd_reg_hdr {
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uint64_t prot:3;
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uint64_t nonincr:1;
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uint64_t haddr:12;
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uint64_t tlen:11;
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uint64_t asize:3;
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uint64_t cmd:2;
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uint64_t addr:32;
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};
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static struct vd_shm *pbuf;
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static struct vd_client vdc;
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static int vdebug_socket_error(void)
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{
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#ifdef _WIN32
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return WSAGetLastError();
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#else
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return errno;
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#endif
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}
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static int vdebug_socket_open(char *server_addr, uint32_t port)
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{
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int hsock;
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int rc = 0;
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uint32_t buflen = sizeof(struct vd_shm); /* size of the send and rcv buffer */
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struct addrinfo *ainfo = NULL;
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struct addrinfo ahint = { 0, AF_INET, SOCK_STREAM, 0, 0, NULL, NULL, NULL };
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#ifdef _WIN32
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hsock = socket(AF_INET, SOCK_STREAM, IPPROTO_IP);
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if (hsock == INVALID_SOCKET)
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rc = vdebug_socket_error();
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#else
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uint32_t rcvwat = VD_SHEADER_LEN; /* size of the rcv header, as rcv min watermark */
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hsock = socket(AF_INET, SOCK_STREAM, IPPROTO_IP);
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if (hsock < 0)
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rc = errno;
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else if (setsockopt(hsock, SOL_SOCKET, SO_RCVLOWAT, &rcvwat, sizeof(rcvwat)) < 0)
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rc = errno;
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#endif
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else if (setsockopt(hsock, SOL_SOCKET, SO_SNDBUF, (const char *)&buflen, sizeof(buflen)) < 0)
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rc = vdebug_socket_error();
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else if (setsockopt(hsock, SOL_SOCKET, SO_RCVBUF, (const char *)&buflen, sizeof(buflen)) < 0)
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rc = vdebug_socket_error();
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if (rc) {
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LOG_ERROR("socket_open: cannot set socket option, error %d", rc);
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} else if (getaddrinfo(server_addr, NULL, &ahint, &ainfo) != 0) {
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LOG_ERROR("socket_open: cannot resolve address %s, error %d", server_addr, vdebug_socket_error());
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rc = VD_ERR_SOC_ADDR;
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} else {
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buf_set_u32((uint8_t *)ainfo->ai_addr->sa_data, 0, 16, htons(port));
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if (connect(hsock, ainfo->ai_addr, sizeof(struct sockaddr)) < 0) {
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LOG_ERROR("socket_open: cannot connect to %s:%d, error %d", server_addr, port, vdebug_socket_error());
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rc = VD_ERR_SOC_CONN;
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}
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}
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if (rc) {
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close_socket(hsock);
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hsock = 0;
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}
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if (ainfo)
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freeaddrinfo(ainfo);
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return hsock;
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}
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static int vdebug_socket_receive(int hsock, struct vd_shm *pmem)
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{
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int rc;
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int dreceived = 0;
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int offset = &pmem->rid[0] - &pmem->cmd;
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int to_receive = VD_SHEADER_LEN + le_to_h_u16(pmem->rbytes);
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char *pb = (char *)pmem;
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do {
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rc = recv(hsock, pb + offset, to_receive, 0);
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if (rc <= 0) {
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LOG_WARNING("socket_receive: recv failed, error %d", rc < 0 ? vdebug_socket_error() : 0);
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return rc;
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}
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to_receive -= rc;
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offset += rc;
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LOG_DEBUG_IO("socket_receive: received %d, to receive %d", rc, to_receive);
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dreceived += rc;
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} while (to_receive);
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return dreceived;
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}
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static int vdebug_socket_send(int hsock, struct vd_shm *pmem)
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{
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int rc = send(hsock, (const char *)&pmem->cmd, VD_CHEADER_LEN + le_to_h_u16(pmem->wbytes), 0);
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if (rc <= 0)
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LOG_WARNING("socket_send: send failed, error %d", vdebug_socket_error());
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else
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LOG_DEBUG_IO("socket_send: sent %d, to send 0", rc);
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return rc;
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}
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static uint32_t vdebug_wait_server(int hsock, struct vd_shm *pmem)
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{
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if (!hsock)
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return VD_ERR_SOC_OPEN;
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int st = vdebug_socket_send(hsock, pmem);
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if (st <= 0)
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return VD_ERR_SOC_SEND;
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int rd = vdebug_socket_receive(hsock, pmem);
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if (rd <= 0)
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return VD_ERR_SOC_RECV;
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int rc = le_to_h_u32(pmem->status);
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LOG_DEBUG_IO("wait_server: cmd %02" PRIx8 " done, sent %d, rcvd %d, status %d",
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pmem->cmd, st, rd, rc);
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return rc;
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}
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int vdebug_run_jtag_queue(int hsock, struct vd_shm *pm, unsigned int count)
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{
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uint8_t num_pre, num_post, tdi, tms;
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unsigned int num, anum, bytes, hwords, words;
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unsigned int req, waddr, rwords;
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int64_t ts, te;
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uint8_t *tdo;
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int rc;
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uint64_t jhdr;
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struct vd_rdata *rd;
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req = 0; /* beginning of request */
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waddr = 0;
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rwords = 0;
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h_u16_to_le(pm->wbytes, le_to_h_u16(pm->wwords) * vdc.buf_width);
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h_u16_to_le(pm->rbytes, le_to_h_u16(pm->rwords) * vdc.buf_width);
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ts = timeval_ms();
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rc = vdebug_wait_server(hsock, pm);
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while (!rc && (req < count)) { /* loop over requests to read data and print out */
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jhdr = le_to_h_u64(&pm->wd8[waddr * 4]);
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words = jhdr >> 48;
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hwords = (jhdr >> 32) & 0xffff;
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anum = jhdr & 0xffffff;
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num_pre = (jhdr >> 27) & 0x7;
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num_post = (jhdr >> 24) & 0x7;
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if (num_post)
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num = anum - num_pre - num_post + 1;
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else
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num = anum - num_pre;
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bytes = (num + 7) / 8;
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vdc.trans_last = (req + 1) < count ? 0 : 1;
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vdc.trans_first = waddr ? 0 : 1;
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if (((jhdr >> 30) & 0x3) == 3) { /* cmd is read */
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if (!rwords) {
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rd = &vdc.rdataq;
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tdo = rd->rdata;
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} else {
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rd = list_first_entry(&vdc.rdataq.lh, struct vd_rdata, lh);
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tdo = rd->rdata;
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list_del(&rd->lh);
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free(rd);
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}
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for (unsigned int j = 0; j < bytes; j++) {
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tdo[j] = (pm->rd8[rwords * 8 + j] >> num_pre) | (pm->rd8[rwords * 8 + j + 1] << (8 - num_pre));
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LOG_DEBUG_IO("%04x D0[%02x]:%02x", le_to_h_u16(pm->wid) - count + req, j, tdo[j]);
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}
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rwords += words; /* read data offset */
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} else {
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tdo = NULL;
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}
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waddr += sizeof(uint64_t) / 4; /* waddr past header */
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tdi = (pm->wd8[waddr * 4] >> num_pre) | (pm->wd8[waddr * 4 + 1] << (8 - num_pre));
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tms = (pm->wd8[waddr * 4 + 4] >> num_pre) | (pm->wd8[waddr * 4 + 4 + 1] << (8 - num_pre));
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LOG_DEBUG_IO("%04x L:%02d O:%05x @%03x DI:%02x MS:%02x DO:%02x",
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le_to_h_u16(pm->wid) - count + req, num, (vdc.trans_first << 14) | (vdc.trans_last << 15),
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waddr - 2, tdi, tms, (tdo ? tdo[0] : 0xdd));
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waddr += hwords * 2; /* start of next request */
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req += 1;
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}
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if (rc) {
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LOG_ERROR("0x%x executing transaction", rc);
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rc = ERROR_FAIL;
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}
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te = timeval_ms();
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vdc.targ_time += (uint32_t)(te - ts);
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h_u16_to_le(pm->offseth, 0); /* reset buffer write address */
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h_u32_to_le(pm->offset, 0);
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h_u16_to_le(pm->rwords, 0);
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h_u16_to_le(pm->waddr, 0);
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assert(list_empty(&vdc.rdataq.lh));/* list should be empty after run queue */
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return rc;
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}
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int vdebug_run_reg_queue(int hsock, struct vd_shm *pm, unsigned int count)
|
|
{
|
|
unsigned int num, awidth, wwidth;
|
|
unsigned int req, waddr, rwords;
|
|
uint8_t aspace;
|
|
uint32_t addr;
|
|
int64_t ts, te;
|
|
uint8_t *data;
|
|
int rc;
|
|
uint64_t rhdr;
|
|
struct vd_rdata *rd;
|
|
|
|
req = 0; /* beginning of request */
|
|
waddr = 0;
|
|
rwords = 0;
|
|
h_u16_to_le(pm->wbytes, le_to_h_u16(pm->wwords) * vdc.buf_width);
|
|
h_u16_to_le(pm->rbytes, le_to_h_u16(pm->rwords) * vdc.buf_width);
|
|
ts = timeval_ms();
|
|
rc = vdebug_wait_server(hsock, pm);
|
|
while (!rc && (req < count)) { /* loop over requests to read data and print out */
|
|
rhdr = le_to_h_u64(&pm->wd8[waddr * 4]);
|
|
addr = rhdr >> 32; /* reconstruct data for a single request */
|
|
num = (rhdr >> 16) & 0x7ff;
|
|
aspace = rhdr & 0x3;
|
|
awidth = (1 << ((rhdr >> 27) & 0x7));
|
|
wwidth = (awidth + vdc.buf_width - 1) / vdc.buf_width;
|
|
vdc.trans_last = (req + 1) < count ? 0 : 1;
|
|
vdc.trans_first = waddr ? 0 : 1;
|
|
if (((rhdr >> 30) & 0x3) == 2) { /* cmd is read */
|
|
if (num) {
|
|
if (!rwords) {
|
|
rd = &vdc.rdataq;
|
|
data = rd->rdata;
|
|
} else {
|
|
rd = list_first_entry(&vdc.rdataq.lh, struct vd_rdata, lh);
|
|
data = rd->rdata;
|
|
list_del(&rd->lh);
|
|
free(rd);
|
|
}
|
|
for (unsigned int j = 0; j < num; j++)
|
|
memcpy(&data[j * awidth], &pm->rd8[(rwords + j) * awidth], awidth);
|
|
}
|
|
LOG_DEBUG_IO("read %04x AS:%02x RG:%02x O:%05x @%03x D:%08x", le_to_h_u16(pm->wid) - count + req,
|
|
aspace, addr, (vdc.trans_first << 14) | (vdc.trans_last << 15), waddr,
|
|
(num ? le_to_h_u32(&pm->rd8[rwords * 4]) : 0xdead));
|
|
rwords += num * wwidth;
|
|
waddr += sizeof(uint64_t) / 4; /* waddr past header */
|
|
} else {
|
|
LOG_DEBUG_IO("write %04x AS:%02x RG:%02x O:%05x @%03x D:%08x", le_to_h_u16(pm->wid) - count + req,
|
|
aspace, addr, (vdc.trans_first << 14) | (vdc.trans_last << 15), waddr,
|
|
le_to_h_u32(&pm->wd8[(waddr + num + 1) * 4]));
|
|
waddr += sizeof(uint64_t) / 4 + (num * wwidth * awidth + 3) / 4;
|
|
}
|
|
req += 1;
|
|
}
|
|
|
|
if (rc) {
|
|
LOG_ERROR("0x%x executing transaction", rc);
|
|
rc = ERROR_FAIL;
|
|
}
|
|
|
|
te = timeval_ms();
|
|
vdc.targ_time += (uint32_t)(te - ts);
|
|
h_u16_to_le(pm->offseth, 0); /* reset buffer write address */
|
|
h_u32_to_le(pm->offset, 0);
|
|
h_u16_to_le(pm->rwords, 0);
|
|
h_u16_to_le(pm->waddr, 0);
|
|
assert(list_empty(&vdc.rdataq.lh));/* list should be empty after run queue */
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int vdebug_open(int hsock, struct vd_shm *pm, const char *path,
|
|
uint8_t type, uint32_t period_ps, uint32_t sig_mask)
|
|
{
|
|
int rc = VD_ERR_NOT_OPEN;
|
|
|
|
pm->cmd = VD_CMD_OPEN;
|
|
h_u16_to_le(pm->wid, VD_VERSION); /* client version */
|
|
h_u16_to_le(pm->wbytes, 0);
|
|
h_u16_to_le(pm->rbytes, 0);
|
|
h_u16_to_le(pm->wwords, 0);
|
|
h_u16_to_le(pm->rwords, 0);
|
|
rc = vdebug_wait_server(hsock, pm);
|
|
if (rc != 0) { /* communication problem */
|
|
LOG_ERROR("0x%x connecting to server", rc);
|
|
} else if (le_to_h_u16(pm->rid) < le_to_h_u16(pm->wid)) {
|
|
LOG_ERROR("server version %d too old for the client %d", le_to_h_u16(pm->rid), le_to_h_u16(pm->wid));
|
|
pm->cmd = VD_CMD_CLOSE; /* let server close the connection */
|
|
vdebug_wait_server(hsock, pm);
|
|
rc = VD_ERR_VERSION;
|
|
} else {
|
|
pm->cmd = VD_CMD_CONNECT;
|
|
pm->type = type; /* BFM type to connect to, here JTAG */
|
|
h_u32_to_le(pm->rwdata, sig_mask | VD_SIG_BUF | (VD_SIG_BUF << 16));
|
|
h_u16_to_le(pm->wbytes, strlen(path) + 1);
|
|
h_u16_to_le(pm->rbytes, 12);
|
|
h_u16_to_le(pm->wid, 0); /* reset wid for transaction ID */
|
|
h_u16_to_le(pm->wwords, 0);
|
|
h_u16_to_le(pm->rwords, 0);
|
|
memcpy(pm->wd8, path, le_to_h_u16(pm->wbytes));
|
|
rc = vdebug_wait_server(hsock, pm);
|
|
vdc.sig_read = le_to_h_u32(pm->rwdata) >> 16; /* signal read mask */
|
|
vdc.sig_write = le_to_h_u32(pm->rwdata); /* signal write mask */
|
|
vdc.bfm_period = period_ps;
|
|
vdc.buf_width = le_to_h_u32(&pm->rd8[0]) / 8;/* access width in bytes */
|
|
vdc.addr_bits = le_to_h_u32(&pm->rd8[2 * 4]); /* supported address bits */
|
|
}
|
|
|
|
if (rc) {
|
|
LOG_ERROR("0x%x connecting to BFM %s", rc, path);
|
|
return ERROR_FAIL;
|
|
}
|
|
|
|
INIT_LIST_HEAD(&vdc.rdataq.lh);
|
|
LOG_DEBUG("%s type %0x, period %dps, buffer %dx%dB signals r%04xw%04x",
|
|
path, type, vdc.bfm_period, VD_BUFFER_LEN / vdc.buf_width,
|
|
vdc.buf_width, vdc.sig_read, vdc.sig_write);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int vdebug_close(int hsock, struct vd_shm *pm, uint8_t type)
|
|
{
|
|
pm->cmd = VD_CMD_DISCONNECT;
|
|
pm->type = type; /* BFM type, here JTAG */
|
|
h_u16_to_le(pm->wbytes, 0);
|
|
h_u16_to_le(pm->rbytes, 0);
|
|
h_u16_to_le(pm->wwords, 0);
|
|
h_u16_to_le(pm->rwords, 0);
|
|
vdebug_wait_server(hsock, pm);
|
|
pm->cmd = VD_CMD_CLOSE;
|
|
h_u16_to_le(pm->wid, VD_VERSION); /* client version */
|
|
h_u16_to_le(pm->wbytes, 0);
|
|
h_u16_to_le(pm->rbytes, 0);
|
|
h_u16_to_le(pm->wwords, 0);
|
|
h_u16_to_le(pm->rwords, 0);
|
|
vdebug_wait_server(hsock, pm);
|
|
LOG_DEBUG("type %0x", type);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int vdebug_wait(int hsock, struct vd_shm *pm, uint32_t cycles)
|
|
{
|
|
if (cycles) {
|
|
pm->cmd = VD_CMD_WAIT;
|
|
h_u16_to_le(pm->wbytes, 0);
|
|
h_u16_to_le(pm->rbytes, 0);
|
|
h_u32_to_le(pm->rwdata, cycles); /* clock sycles to wait */
|
|
int rc = vdebug_wait_server(hsock, pm);
|
|
if (rc) {
|
|
LOG_ERROR("0x%x waiting %" PRIx32 " cycles", rc, cycles);
|
|
return ERROR_FAIL;
|
|
}
|
|
LOG_DEBUG("%d cycles", cycles);
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int vdebug_sig_set(int hsock, struct vd_shm *pm, uint32_t write_mask, uint32_t value)
|
|
{
|
|
pm->cmd = VD_CMD_SIGSET;
|
|
h_u16_to_le(pm->wbytes, 0);
|
|
h_u16_to_le(pm->rbytes, 0);
|
|
h_u32_to_le(pm->rwdata, (write_mask << 16) | (value & 0xffff)); /* mask and value of signals to set */
|
|
int rc = vdebug_wait_server(hsock, pm);
|
|
if (rc) {
|
|
LOG_ERROR("0x%x setting signals %04" PRIx32, rc, write_mask);
|
|
return ERROR_FAIL;
|
|
}
|
|
|
|
LOG_DEBUG("setting signals %04" PRIx32 " to %04" PRIx32, write_mask, value);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int vdebug_jtag_clock(int hsock, struct vd_shm *pm, uint32_t value)
|
|
{
|
|
pm->cmd = VD_CMD_JTAGCLOCK;
|
|
h_u16_to_le(pm->wbytes, 0);
|
|
h_u16_to_le(pm->rbytes, 0);
|
|
h_u32_to_le(pm->rwdata, value); /* divider value */
|
|
int rc = vdebug_wait_server(hsock, pm);
|
|
if (rc) {
|
|
LOG_ERROR("0x%x setting jtag_clock", rc);
|
|
return ERROR_FAIL;
|
|
}
|
|
|
|
LOG_DEBUG("setting jtag clock divider to %" PRIx32, value);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int vdebug_jtag_shift_tap(int hsock, struct vd_shm *pm, uint8_t num_pre,
|
|
const uint8_t tms_pre, uint32_t num, const uint8_t *tdi,
|
|
uint8_t num_post, const uint8_t tms_post, uint8_t *tdo,
|
|
uint8_t f_last)
|
|
{
|
|
const uint32_t tobits = 8;
|
|
uint16_t bytes, hwords, anum, words, waddr;
|
|
int rc = 0;
|
|
|
|
pm->cmd = VD_CMD_JTAGSHTAP;
|
|
vdc.trans_last = f_last || (vdc.trans_batch == VD_BATCH_NO);
|
|
if (vdc.trans_first)
|
|
waddr = 0; /* reset buffer offset */
|
|
else
|
|
waddr = le_to_h_u32(pm->offseth); /* continue from the previous transaction */
|
|
if (num_post) /* actual number of bits to shift */
|
|
anum = num + num_pre + num_post - 1;
|
|
else
|
|
anum = num + num_pre;
|
|
hwords = (anum + 4 * vdc.buf_width - 1) / (4 * vdc.buf_width); /* in 4B TDI/TMS words */
|
|
words = (hwords + 1) / 2; /* in 8B TDO words to read */
|
|
bytes = (num + 7) / 8; /* data only portion in bytes */
|
|
/* buffer overflow check and flush */
|
|
if (4 * waddr + sizeof(uint64_t) + 8 * hwords + 64 > VD_BUFFER_LEN) {
|
|
vdc.trans_last = 1; /* force flush within 64B of buffer end */
|
|
} else if (4 * waddr + sizeof(uint64_t) + 8 * hwords > VD_BUFFER_LEN) {
|
|
/* this req does not fit, discard it */
|
|
LOG_ERROR("%04x L:%02d O:%05x @%04x too many bits to shift",
|
|
le_to_h_u16(pm->wid), anum, (vdc.trans_first << 14) | (vdc.trans_last << 15), waddr);
|
|
rc = ERROR_FAIL;
|
|
}
|
|
|
|
if (!rc && anum) {
|
|
uint16_t i, j; /* portability requires to use bit operations for 8B JTAG header */
|
|
uint64_t jhdr = (tdo ? ((uint64_t)(words) << 48) : 0) + ((uint64_t)(hwords) << 32) +
|
|
((tdo ? 3UL : 1UL) << 30) + (num_pre << 27) + (num_post << 24) + anum;
|
|
h_u64_to_le(&pm->wd8[4 * waddr], jhdr);
|
|
|
|
h_u16_to_le(pm->wid, le_to_h_u16(pm->wid) + 1); /* transaction ID */
|
|
waddr += 2; /* waddr past header */
|
|
/* TDI/TMS data follows as 32 bit word pairs {TMS,TDI} */
|
|
pm->wd8[4 * waddr] = (tdi ? (tdi[0] << num_pre) : 0);
|
|
pm->wd8[4 * waddr + 4] = tms_pre; /* init with tms_pre */
|
|
if (num + num_pre <= 8) /* and tms_post for num <=4 */
|
|
pm->wd8[4 * waddr + 4] |= (tms_post << (num + num_pre - 1));
|
|
for (i = 1, j = 4 * waddr; i < bytes; i++) {
|
|
if (i == bytes - 1 && num + num_pre <= bytes * tobits)
|
|
pm->wd8[j + i + 4] = tms_post << ((num + num_pre - 1) % 8);
|
|
else
|
|
pm->wd8[j + i + 4] = 0x0;/* placing 4 bytes of TMS bits into high word */
|
|
if (!tdi) /* placing 4 bytes of TDI bits into low word */
|
|
pm->wd8[j + i] = 0x0;
|
|
else
|
|
pm->wd8[j + i] = (tdi[i] << num_pre) | (tdi[i - 1] >> (8 - num_pre));
|
|
if (i % 4 == 3)
|
|
j += 4;
|
|
}
|
|
|
|
if (tdi)
|
|
if (num + num_pre > bytes * tobits) /* in case 1 additional byte needed for TDI */
|
|
pm->wd8[j + i] = (tdi[i - 1] >> (8 - num_pre)); /* put last TDI bits there */
|
|
|
|
if (num + num_pre <= bytes * tobits) { /* in case no or 1 additional byte needed */
|
|
pm->wd8[j + i + 4] = tms_post >> (8 - (num + num_pre - 1) % 8); /* may need to add higher part */
|
|
/* in case exactly 1 additional byte needed */
|
|
} else if (num + num_pre > bytes * tobits && anum <= (bytes + 1) * tobits) {
|
|
pm->wd8[j + i + 4] = tms_post << ((num + num_pre - 1) % 8); /* add whole tms_post */
|
|
} else { /* in case 2 additional bytes, tms_post split */
|
|
pm->wd8[j + i + 4] = tms_post << ((num + num_pre - 1) % 8);/* add lower part of tms_post */
|
|
if (i % 4 == 3) /* next byte is in the next 32b word */
|
|
pm->wd8[j + i + 4 + 5] = tms_post >> (8 - (num + num_pre - 1) % 8); /* and higher part */
|
|
else /* next byte is in the same 32b word */
|
|
pm->wd8[j + i + 4 + 1] = tms_post >> (8 - (num + num_pre - 1) % 8); /* and higher part */
|
|
}
|
|
|
|
if (tdo) {
|
|
struct vd_rdata *rd;
|
|
if (le_to_h_u16(pm->rwords) == 0) {
|
|
rd = &vdc.rdataq;
|
|
} else {
|
|
rd = calloc(1, sizeof(struct vd_rdata));
|
|
if (!rd) /* check allocation for 24B */
|
|
return ERROR_FAIL;
|
|
list_add_tail(&rd->lh, &vdc.rdataq.lh);
|
|
}
|
|
rd->rdata = tdo;
|
|
h_u16_to_le(pm->rwords, le_to_h_u16(pm->rwords) + words);/* keep track of the words to read */
|
|
}
|
|
h_u16_to_le(pm->wwords, waddr / 2 + hwords); /* payload size *2 to include both TDI and TMS data */
|
|
h_u16_to_le(pm->waddr, le_to_h_u16(pm->waddr) + 1);
|
|
}
|
|
|
|
if (!waddr) /* flush issued, but buffer empty */
|
|
;
|
|
else if (!vdc.trans_last) /* buffered request */
|
|
h_u16_to_le(pm->offseth, waddr + hwords * 2); /* offset for next transaction, must be even */
|
|
else /* execute batch of requests */
|
|
rc = vdebug_run_jtag_queue(hsock, pm, le_to_h_u16(pm->waddr));
|
|
vdc.trans_first = vdc.trans_last; /* flush forces trans_first flag */
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int vdebug_reg_write(int hsock, struct vd_shm *pm, const uint32_t reg,
|
|
const uint32_t data, uint8_t aspace, uint8_t f_last)
|
|
{
|
|
uint32_t waddr;
|
|
int rc = ERROR_OK;
|
|
|
|
pm->cmd = VD_CMD_REGWRITE;
|
|
vdc.trans_last = f_last || (vdc.trans_batch == VD_BATCH_NO);
|
|
if (vdc.trans_first)
|
|
waddr = 0; /* reset buffer offset */
|
|
else
|
|
waddr = le_to_h_u16(pm->offseth); /* continue from the previous transaction */
|
|
|
|
if (4 * waddr + 2 * sizeof(uint64_t) + 4 > VD_BUFFER_LEN)
|
|
vdc.trans_last = 1; /* force flush, no room for next request */
|
|
|
|
uint64_t rhdr = ((uint64_t)reg << 32) + (1UL << 30) + (2UL << 27) + (1UL << 16) + aspace;
|
|
h_u64_to_le(&pm->wd8[4 * waddr], rhdr);
|
|
h_u32_to_le(&pm->wd8[4 * (waddr + 2)], data);
|
|
h_u16_to_le(pm->wid, le_to_h_u16(pm->wid) + 1);
|
|
h_u16_to_le(pm->wwords, waddr + 3);
|
|
h_u16_to_le(pm->waddr, le_to_h_u16(pm->waddr) + 1);
|
|
if (!vdc.trans_last) /* buffered request */
|
|
h_u16_to_le(pm->offseth, waddr + 3);
|
|
else
|
|
rc = vdebug_run_reg_queue(hsock, pm, le_to_h_u16(pm->waddr));
|
|
vdc.trans_first = vdc.trans_last; /* flush forces trans_first flag */
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int vdebug_reg_read(int hsock, struct vd_shm *pm, const uint32_t reg,
|
|
uint32_t *data, uint8_t aspace, uint8_t f_last)
|
|
{
|
|
uint32_t waddr;
|
|
int rc = ERROR_OK;
|
|
|
|
pm->cmd = VD_CMD_REGREAD;
|
|
vdc.trans_last = f_last || (vdc.trans_batch == VD_BATCH_NO);
|
|
if (vdc.trans_first)
|
|
waddr = 0; /* reset buffer offset */
|
|
else
|
|
waddr = le_to_h_u16(pm->offseth); /* continue from the previous transaction */
|
|
|
|
if (4 * waddr + 2 * sizeof(uint64_t) + 4 > VD_BUFFER_LEN)
|
|
vdc.trans_last = 1; /* force flush, no room for next request */
|
|
|
|
uint64_t rhdr = ((uint64_t)reg << 32) + (2UL << 30) + (2UL << 27) + ((data ? 1UL : 0UL) << 16) + aspace;
|
|
h_u64_to_le(&pm->wd8[4 * waddr], rhdr);
|
|
h_u16_to_le(pm->wid, le_to_h_u16(pm->wid) + 1);
|
|
if (data) {
|
|
struct vd_rdata *rd;
|
|
if (le_to_h_u16(pm->rwords) == 0) {
|
|
rd = &vdc.rdataq;
|
|
} else {
|
|
rd = calloc(1, sizeof(struct vd_rdata));
|
|
if (!rd) /* check allocation for 24B */
|
|
return ERROR_FAIL;
|
|
list_add_tail(&rd->lh, &vdc.rdataq.lh);
|
|
}
|
|
rd->rdata = (uint8_t *)data;
|
|
h_u16_to_le(pm->rwords, le_to_h_u16(pm->rwords) + 1);
|
|
}
|
|
h_u16_to_le(pm->wwords, waddr + 2);
|
|
h_u16_to_le(pm->waddr, le_to_h_u16(pm->waddr) + 1);
|
|
if (!vdc.trans_last) /* buffered request */
|
|
h_u16_to_le(pm->offseth, waddr + 2);
|
|
else
|
|
rc = vdebug_run_reg_queue(hsock, pm, le_to_h_u16(pm->waddr));
|
|
vdc.trans_first = vdc.trans_last; /* flush forces trans_first flag */
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int vdebug_mem_open(int hsock, struct vd_shm *pm, const char *path, uint8_t ndx)
|
|
{
|
|
int rc;
|
|
|
|
if (!path)
|
|
return ERROR_OK;
|
|
|
|
pm->cmd = VD_CMD_MEMOPEN;
|
|
h_u16_to_le(pm->wbytes, strlen(path) + 1); /* includes terminating 0 */
|
|
h_u16_to_le(pm->rbytes, 8);
|
|
h_u16_to_le(pm->wwords, 0);
|
|
h_u16_to_le(pm->rwords, 0);
|
|
memcpy(pm->wd8, path, le_to_h_u16(pm->wbytes));
|
|
rc = vdebug_wait_server(hsock, pm);
|
|
if (rc) {
|
|
LOG_ERROR("0x%x opening memory %s", rc, path);
|
|
} else if (ndx != pm->rd8[2]) {
|
|
LOG_WARNING("Invalid memory index %" PRIu16 " returned. Direct memory access disabled", pm->rd8[2]);
|
|
} else {
|
|
vdc.mem_width[ndx] = le_to_h_u16(&pm->rd8[0]) / 8; /* memory width in bytes */
|
|
vdc.mem_depth[ndx] = le_to_h_u32(&pm->rd8[4]); /* memory depth in words */
|
|
LOG_DEBUG("%" PRIx8 ": %s memory %" PRIu32 "x%" PRIu32 "B, buffer %" PRIu32 "x%" PRIu32 "B", ndx, path,
|
|
vdc.mem_depth[ndx], vdc.mem_width[ndx], VD_BUFFER_LEN / vdc.mem_width[ndx], vdc.mem_width[ndx]);
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static void vdebug_mem_close(int hsock, struct vd_shm *pm, uint8_t ndx)
|
|
{
|
|
pm->cmd = VD_CMD_MEMCLOSE;
|
|
h_u32_to_le(pm->rwdata, ndx); /* which memory */
|
|
h_u16_to_le(pm->wbytes, 0);
|
|
h_u16_to_le(pm->rbytes, 0);
|
|
h_u16_to_le(pm->wwords, 0);
|
|
h_u16_to_le(pm->rwords, 0);
|
|
vdebug_wait_server(hsock, pm);
|
|
LOG_DEBUG("%" PRIx8 ": %s", ndx, vdc.mem_path[ndx]);
|
|
}
|
|
|
|
|
|
static int vdebug_init(void)
|
|
{
|
|
vdc.hsocket = vdebug_socket_open(vdc.server_name, vdc.server_port);
|
|
pbuf = calloc(1, sizeof(struct vd_shm));
|
|
if (!pbuf) {
|
|
close_socket(vdc.hsocket);
|
|
vdc.hsocket = 0;
|
|
LOG_ERROR("cannot allocate %zu bytes", sizeof(struct vd_shm));
|
|
return ERROR_FAIL;
|
|
}
|
|
if (vdc.hsocket <= 0) {
|
|
free(pbuf);
|
|
pbuf = NULL;
|
|
LOG_ERROR("cannot connect to vdebug server %s:%" PRIu16,
|
|
vdc.server_name, vdc.server_port);
|
|
return ERROR_FAIL;
|
|
}
|
|
vdc.trans_first = 1;
|
|
vdc.poll_cycles = vdc.poll_max;
|
|
uint32_t sig_mask = VD_SIG_RESET;
|
|
if (transport_is_jtag())
|
|
sig_mask |= VD_SIG_TRST | VD_SIG_TCKDIV;
|
|
|
|
int rc = vdebug_open(vdc.hsocket, pbuf, vdc.bfm_path, vdc.bfm_type, vdc.bfm_period, sig_mask);
|
|
if (rc != 0) {
|
|
LOG_ERROR("0x%x cannot connect to %s", rc, vdc.bfm_path);
|
|
close_socket(vdc.hsocket);
|
|
vdc.hsocket = 0;
|
|
free(pbuf);
|
|
pbuf = NULL;
|
|
} else {
|
|
for (uint8_t i = 0; i < vdc.mem_ndx; i++) {
|
|
rc = vdebug_mem_open(vdc.hsocket, pbuf, vdc.mem_path[i], i);
|
|
if (rc != 0)
|
|
LOG_ERROR("0x%x cannot connect to %s", rc, vdc.mem_path[i]);
|
|
}
|
|
|
|
LOG_INFO("vdebug %d connected to %s through %s:%" PRIu16,
|
|
VD_VERSION, vdc.bfm_path, vdc.server_name, vdc.server_port);
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int vdebug_quit(void)
|
|
{
|
|
for (uint8_t i = 0; i < vdc.mem_ndx; i++)
|
|
if (vdc.mem_width[i])
|
|
vdebug_mem_close(vdc.hsocket, pbuf, i);
|
|
int rc = vdebug_close(vdc.hsocket, pbuf, vdc.bfm_type);
|
|
LOG_INFO("vdebug %d disconnected from %s through %s:%" PRIu16 " rc:%d", VD_VERSION,
|
|
vdc.bfm_path, vdc.server_name, vdc.server_port, rc);
|
|
if (vdc.hsocket)
|
|
close_socket(vdc.hsocket);
|
|
free(pbuf);
|
|
pbuf = NULL;
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int vdebug_reset(int trst, int srst)
|
|
{
|
|
uint16_t sig_val = 0xffff;
|
|
uint16_t sig_mask = 0;
|
|
|
|
sig_mask |= VD_SIG_RESET;
|
|
if (srst)
|
|
sig_val &= ~VD_SIG_RESET;/* active low */
|
|
if (transport_is_jtag()) {
|
|
sig_mask |= VD_SIG_TRST;
|
|
if (trst)
|
|
sig_val &= ~VD_SIG_TRST; /* active low */
|
|
}
|
|
|
|
LOG_INFO("rst trst:%d srst:%d mask:%" PRIx16 " val:%" PRIx16, trst, srst, sig_mask, sig_val);
|
|
int rc = vdebug_sig_set(vdc.hsocket, pbuf, sig_mask, sig_val);
|
|
if (rc == 0)
|
|
rc = vdebug_wait(vdc.hsocket, pbuf, 20); /* 20 clock cycles pulse */
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int vdebug_jtag_tms_seq(const uint8_t *tms, int num, uint8_t f_flush)
|
|
{
|
|
LOG_INFO("tms len:%d tms:%x", num, *tms);
|
|
|
|
return vdebug_jtag_shift_tap(vdc.hsocket, pbuf, num, *tms, 0, NULL, 0, 0, NULL, f_flush);
|
|
}
|
|
|
|
static int vdebug_jtag_path_move(struct pathmove_command *cmd, uint8_t f_flush)
|
|
{
|
|
uint8_t tms[DIV_ROUND_UP(cmd->num_states, 8)];
|
|
LOG_INFO("path num states %d", cmd->num_states);
|
|
|
|
memset(tms, 0, DIV_ROUND_UP(cmd->num_states, 8));
|
|
|
|
for (uint8_t i = 0; i < cmd->num_states; i++) {
|
|
if (tap_state_transition(tap_get_state(), true) == cmd->path[i])
|
|
buf_set_u32(tms, i, 1, 1);
|
|
tap_set_state(cmd->path[i]);
|
|
}
|
|
|
|
return vdebug_jtag_tms_seq(tms, cmd->num_states, f_flush);
|
|
}
|
|
|
|
static int vdebug_jtag_tlr(tap_state_t state, uint8_t f_flush)
|
|
{
|
|
int rc = ERROR_OK;
|
|
|
|
uint8_t cur = tap_get_state();
|
|
uint8_t tms_pre = tap_get_tms_path(cur, state);
|
|
uint8_t num_pre = tap_get_tms_path_len(cur, state);
|
|
LOG_INFO("tlr from %" PRIx8 " to %" PRIx8, cur, state);
|
|
if (cur != state) {
|
|
rc = vdebug_jtag_shift_tap(vdc.hsocket, pbuf, num_pre, tms_pre, 0, NULL, 0, 0, NULL, f_flush);
|
|
tap_set_state(state);
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int vdebug_jtag_scan(struct scan_command *cmd, uint8_t f_flush)
|
|
{
|
|
int rc = ERROR_OK;
|
|
|
|
uint8_t cur = tap_get_state();
|
|
uint8_t state = cmd->ir_scan ? TAP_IRSHIFT : TAP_DRSHIFT;
|
|
uint8_t tms_pre = tap_get_tms_path(cur, state);
|
|
uint8_t num_pre = tap_get_tms_path_len(cur, state);
|
|
uint8_t tms_post = tap_get_tms_path(state, cmd->end_state);
|
|
uint8_t num_post = tap_get_tms_path_len(state, cmd->end_state);
|
|
int num_bits = jtag_scan_size(cmd);
|
|
LOG_DEBUG("scan len:%d fields:%d ir/!dr:%d state cur:%x end:%x",
|
|
num_bits, cmd->num_fields, cmd->ir_scan, cur, cmd->end_state);
|
|
for (int i = 0; i < cmd->num_fields; i++) {
|
|
uint8_t cur_num_pre = i == 0 ? num_pre : 0;
|
|
uint8_t cur_tms_pre = i == 0 ? tms_pre : 0;
|
|
uint8_t cur_num_post = i == cmd->num_fields - 1 ? num_post : 0;
|
|
uint8_t cur_tms_post = i == cmd->num_fields - 1 ? tms_post : 0;
|
|
uint8_t cur_flush = i == cmd->num_fields - 1 ? f_flush : 0;
|
|
rc = vdebug_jtag_shift_tap(vdc.hsocket, pbuf, cur_num_pre, cur_tms_pre,
|
|
cmd->fields[i].num_bits, cmd->fields[i].out_value, cur_num_post, cur_tms_post,
|
|
cmd->fields[i].in_value, cur_flush);
|
|
if (rc)
|
|
break;
|
|
}
|
|
|
|
if (cur != cmd->end_state)
|
|
tap_set_state(cmd->end_state);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int vdebug_jtag_runtest(int cycles, tap_state_t state, uint8_t f_flush)
|
|
{
|
|
uint8_t cur = tap_get_state();
|
|
uint8_t tms_pre = tap_get_tms_path(cur, state);
|
|
uint8_t num_pre = tap_get_tms_path_len(cur, state);
|
|
LOG_DEBUG("idle len:%d state cur:%x end:%x", cycles, cur, state);
|
|
int rc = vdebug_jtag_shift_tap(vdc.hsocket, pbuf, num_pre, tms_pre, cycles, NULL, 0, 0, NULL, f_flush);
|
|
if (cur != state)
|
|
tap_set_state(state);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int vdebug_jtag_stableclocks(int num, uint8_t f_flush)
|
|
{
|
|
LOG_INFO("stab len:%d state cur:%x", num, tap_get_state());
|
|
|
|
return vdebug_jtag_shift_tap(vdc.hsocket, pbuf, 0, 0, num, NULL, 0, 0, NULL, f_flush);
|
|
}
|
|
|
|
static int vdebug_sleep(int us)
|
|
{
|
|
LOG_INFO("sleep %d us", us);
|
|
|
|
return vdebug_wait(vdc.hsocket, pbuf, us / 1000);
|
|
}
|
|
|
|
static int vdebug_jtag_speed(int speed)
|
|
{
|
|
unsigned int clkmax = VD_SCALE_PSTOMS / (vdc.bfm_period * 2); /* kHz */
|
|
unsigned int divval = clkmax / speed;
|
|
LOG_INFO("jclk speed:%d kHz set, BFM divider %u", speed, divval);
|
|
|
|
return vdebug_jtag_clock(vdc.hsocket, pbuf, divval);
|
|
}
|
|
|
|
static int vdebug_jtag_khz(int khz, int *jtag_speed)
|
|
{
|
|
unsigned int clkmax = VD_SCALE_PSTOMS / (vdc.bfm_period * 2); /* kHz */
|
|
unsigned int divval = khz ? clkmax / khz : 1;
|
|
*jtag_speed = clkmax / divval;
|
|
LOG_DEBUG("khz speed:%d from khz:%d", *jtag_speed, khz);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int vdebug_jtag_div(int speed, int *khz)
|
|
{
|
|
*khz = speed;
|
|
LOG_DEBUG("div khz:%d from speed:%d", *khz, speed);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int vdebug_jtag_execute_queue(void)
|
|
{
|
|
int rc = ERROR_OK;
|
|
|
|
for (struct jtag_command *cmd = jtag_command_queue; rc == ERROR_OK && cmd; cmd = cmd->next) {
|
|
switch (cmd->type) {
|
|
case JTAG_RUNTEST:
|
|
rc = vdebug_jtag_runtest(cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state, !cmd->next);
|
|
break;
|
|
case JTAG_STABLECLOCKS:
|
|
rc = vdebug_jtag_stableclocks(cmd->cmd.stableclocks->num_cycles, !cmd->next);
|
|
break;
|
|
case JTAG_TLR_RESET:
|
|
rc = vdebug_jtag_tlr(cmd->cmd.statemove->end_state, !cmd->next);
|
|
break;
|
|
case JTAG_PATHMOVE:
|
|
rc = vdebug_jtag_path_move(cmd->cmd.pathmove, !cmd->next);
|
|
break;
|
|
case JTAG_TMS:
|
|
rc = vdebug_jtag_tms_seq(cmd->cmd.tms->bits, cmd->cmd.tms->num_bits, !cmd->next);
|
|
break;
|
|
case JTAG_SLEEP:
|
|
rc = vdebug_sleep(cmd->cmd.sleep->us);
|
|
break;
|
|
case JTAG_SCAN:
|
|
rc = vdebug_jtag_scan(cmd->cmd.scan, !cmd->next);
|
|
break;
|
|
default:
|
|
LOG_ERROR("Unknown JTAG command type 0x%x encountered", cmd->type);
|
|
rc = ERROR_FAIL;
|
|
}
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int vdebug_dap_connect(struct adiv5_dap *dap)
|
|
{
|
|
return dap_dp_init(dap);
|
|
}
|
|
|
|
static int vdebug_dap_send_sequence(struct adiv5_dap *dap, enum swd_special_seq seq)
|
|
{
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int vdebug_dap_queue_dp_read(struct adiv5_dap *dap, unsigned int reg, uint32_t *data)
|
|
{
|
|
return vdebug_reg_read(vdc.hsocket, pbuf, (reg & DP_SELECT_DPBANK) >> 2, data, VD_ASPACE_DP, 0);
|
|
}
|
|
|
|
static int vdebug_dap_queue_dp_write(struct adiv5_dap *dap, unsigned int reg, uint32_t data)
|
|
{
|
|
return vdebug_reg_write(vdc.hsocket, pbuf, (reg & DP_SELECT_DPBANK) >> 2, data, VD_ASPACE_DP, 0);
|
|
}
|
|
|
|
static int vdebug_dap_queue_ap_read(struct adiv5_ap *ap, unsigned int reg, uint32_t *data)
|
|
{
|
|
if ((reg & DP_SELECT_APBANK) != ap->dap->select) {
|
|
vdebug_reg_write(vdc.hsocket, pbuf, DP_SELECT >> 2, reg & DP_SELECT_APBANK, VD_ASPACE_DP, 0);
|
|
ap->dap->select = reg & DP_SELECT_APBANK;
|
|
}
|
|
|
|
vdebug_reg_read(vdc.hsocket, pbuf, (reg & DP_SELECT_DPBANK) >> 2, NULL, VD_ASPACE_AP, 0);
|
|
|
|
return vdebug_reg_read(vdc.hsocket, pbuf, DP_RDBUFF >> 2, data, VD_ASPACE_DP, 0);
|
|
}
|
|
|
|
static int vdebug_dap_queue_ap_write(struct adiv5_ap *ap, unsigned int reg, uint32_t data)
|
|
{
|
|
if ((reg & DP_SELECT_APBANK) != ap->dap->select) {
|
|
vdebug_reg_write(vdc.hsocket, pbuf, DP_SELECT >> 2, reg & DP_SELECT_APBANK, VD_ASPACE_DP, 0);
|
|
ap->dap->select = reg & DP_SELECT_APBANK;
|
|
}
|
|
|
|
return vdebug_reg_write(vdc.hsocket, pbuf, (reg & DP_SELECT_DPBANK) >> 2, data, VD_ASPACE_AP, 0);
|
|
}
|
|
|
|
static int vdebug_dap_queue_ap_abort(struct adiv5_dap *dap, uint8_t *ack)
|
|
{
|
|
return vdebug_reg_write(vdc.hsocket, pbuf, 0, 0x1, VD_ASPACE_AB, 0);
|
|
}
|
|
|
|
static int vdebug_dap_run(struct adiv5_dap *dap)
|
|
{
|
|
if (pbuf->waddr)
|
|
return vdebug_run_reg_queue(vdc.hsocket, pbuf, le_to_h_u16(pbuf->waddr));
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
COMMAND_HANDLER(vdebug_set_server)
|
|
{
|
|
if ((CMD_ARGC != 1) || !strchr(CMD_ARGV[0], ':'))
|
|
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
|
|
char *pchar = strchr(CMD_ARGV[0], ':');
|
|
*pchar = '\0';
|
|
strncpy(vdc.server_name, CMD_ARGV[0], sizeof(vdc.server_name) - 1);
|
|
int port = atoi(++pchar);
|
|
if (port < 0 || port > UINT16_MAX) {
|
|
LOG_ERROR("invalid port number %d specified", port);
|
|
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
}
|
|
vdc.server_port = port;
|
|
LOG_DEBUG("server: %s port %u", vdc.server_name, vdc.server_port);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
COMMAND_HANDLER(vdebug_set_bfm)
|
|
{
|
|
char prefix;
|
|
|
|
if ((CMD_ARGC != 2) || (sscanf(CMD_ARGV[1], "%u%c", &vdc.bfm_period, &prefix) != 2))
|
|
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
|
|
strncpy(vdc.bfm_path, CMD_ARGV[0], sizeof(vdc.bfm_path) - 1);
|
|
switch (prefix) {
|
|
case 'u':
|
|
vdc.bfm_period *= 1000000;
|
|
break;
|
|
case 'n':
|
|
vdc.bfm_period *= 1000;
|
|
break;
|
|
case 'p':
|
|
default:
|
|
break;
|
|
}
|
|
if (transport_is_dapdirect_swd())
|
|
vdc.bfm_type = VD_BFM_SWDP;
|
|
else
|
|
vdc.bfm_type = VD_BFM_JTAG;
|
|
LOG_DEBUG("bfm_path: %s clk_period %ups", vdc.bfm_path, vdc.bfm_period);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
COMMAND_HANDLER(vdebug_set_mem)
|
|
{
|
|
if (CMD_ARGC != 3)
|
|
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
|
|
if (vdc.mem_ndx >= VD_MAX_MEMORIES) {
|
|
LOG_ERROR("mem_path declared more than %d allowed times", VD_MAX_MEMORIES);
|
|
return ERROR_FAIL;
|
|
}
|
|
|
|
strncpy(vdc.mem_path[vdc.mem_ndx], CMD_ARGV[0], sizeof(vdc.mem_path[vdc.mem_ndx]) - 1);
|
|
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], vdc.mem_base[vdc.mem_ndx]);
|
|
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], vdc.mem_size[vdc.mem_ndx]);
|
|
LOG_DEBUG("mem_path: set %s @ 0x%08x+0x%08x", vdc.mem_path[vdc.mem_ndx],
|
|
vdc.mem_base[vdc.mem_ndx], vdc.mem_size[vdc.mem_ndx]);
|
|
vdc.mem_ndx++;
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
COMMAND_HANDLER(vdebug_set_batching)
|
|
{
|
|
if (CMD_ARGC != 1)
|
|
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
|
|
if (isdigit((unsigned char)CMD_ARGV[0][0]))
|
|
vdc.trans_batch = (CMD_ARGV[0][0] == '0' ? 0 : (CMD_ARGV[0][0] == '1' ? 1 : 2));
|
|
else if (CMD_ARGV[0][0] == 'r')
|
|
vdc.trans_batch = VD_BATCH_WR;
|
|
else if (CMD_ARGV[0][0] == 'w')
|
|
vdc.trans_batch = VD_BATCH_WO;
|
|
else
|
|
vdc.trans_batch = VD_BATCH_NO;
|
|
LOG_DEBUG("batching: set to %u", vdc.trans_batch);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
COMMAND_HANDLER(vdebug_set_polling)
|
|
{
|
|
if (CMD_ARGC != 2)
|
|
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
|
|
vdc.poll_min = atoi(CMD_ARGV[0]);
|
|
vdc.poll_max = atoi(CMD_ARGV[1]);
|
|
LOG_DEBUG("polling: set min %u max %u", vdc.poll_min, vdc.poll_max);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static const struct command_registration vdebug_command_handlers[] = {
|
|
{
|
|
.name = "server",
|
|
.handler = &vdebug_set_server,
|
|
.mode = COMMAND_CONFIG,
|
|
.help = "set the vdebug server name or address",
|
|
.usage = "<host:port>",
|
|
},
|
|
{
|
|
.name = "bfm_path",
|
|
.handler = &vdebug_set_bfm,
|
|
.mode = COMMAND_CONFIG,
|
|
.help = "set the vdebug BFM hierarchical path",
|
|
.usage = "<path> <clk_period[p|n|u]s>",
|
|
},
|
|
{
|
|
.name = "mem_path",
|
|
.handler = &vdebug_set_mem,
|
|
.mode = COMMAND_ANY,
|
|
.help = "set the design memory for the code load",
|
|
.usage = "<path> <base_address> <size>",
|
|
},
|
|
{
|
|
.name = "batching",
|
|
.handler = &vdebug_set_batching,
|
|
.mode = COMMAND_CONFIG,
|
|
.help = "set the transaction batching no|wr|rd [0|1|2]",
|
|
.usage = "<level>",
|
|
},
|
|
{
|
|
.name = "polling",
|
|
.handler = &vdebug_set_polling,
|
|
.mode = COMMAND_CONFIG,
|
|
.help = "set the polling pause, executing hardware cycles between min and max",
|
|
.usage = "<min cycles> <max cycles>",
|
|
},
|
|
COMMAND_REGISTRATION_DONE
|
|
};
|
|
|
|
static const struct command_registration vdebug_command[] = {
|
|
{
|
|
.name = "vdebug",
|
|
.chain = vdebug_command_handlers,
|
|
.mode = COMMAND_ANY,
|
|
.help = "vdebug command group",
|
|
.usage = "",
|
|
},
|
|
COMMAND_REGISTRATION_DONE
|
|
};
|
|
|
|
static struct jtag_interface vdebug_jtag_ops = {
|
|
.supported = DEBUG_CAP_TMS_SEQ,
|
|
.execute_queue = vdebug_jtag_execute_queue,
|
|
};
|
|
|
|
static const struct dap_ops vdebug_dap_ops = {
|
|
.connect = vdebug_dap_connect,
|
|
.send_sequence = vdebug_dap_send_sequence,
|
|
.queue_dp_read = vdebug_dap_queue_dp_read,
|
|
.queue_dp_write = vdebug_dap_queue_dp_write,
|
|
.queue_ap_read = vdebug_dap_queue_ap_read,
|
|
.queue_ap_write = vdebug_dap_queue_ap_write,
|
|
.queue_ap_abort = vdebug_dap_queue_ap_abort,
|
|
.run = vdebug_dap_run,
|
|
.sync = NULL, /* optional */
|
|
.quit = NULL, /* optional */
|
|
};
|
|
|
|
static const char *const vdebug_transports[] = { "jtag", "dapdirect_swd", NULL };
|
|
|
|
struct adapter_driver vdebug_adapter_driver = {
|
|
.name = "vdebug",
|
|
.transports = vdebug_transports,
|
|
.speed = vdebug_jtag_speed,
|
|
.khz = vdebug_jtag_khz,
|
|
.speed_div = vdebug_jtag_div,
|
|
.commands = vdebug_command,
|
|
.init = vdebug_init,
|
|
.quit = vdebug_quit,
|
|
.reset = vdebug_reset,
|
|
.jtag_ops = &vdebug_jtag_ops,
|
|
.dap_swd_ops = &vdebug_dap_ops,
|
|
};
|