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openocd/src/ecosboard.c

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/***************************************************************************
* Copyright (C) 2007-2010 by Øyvind Harboe *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <helper/types.h>
#include <jtag/jtag.h>
#include <helper/ioutil.h>
#include <helper/util.h>
#include <helper/configuration.h>
#include <server/server.h>
#include <server/telnet_server.h>
#include <server/gdb_server.h>
#include <openocd.h>
#include <helper/time_support.h>
#include <sys/time.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <cyg/io/flash.h>
#include <pkgconf/fs_jffs2.h> // Address of JFFS2
#include <network.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <cyg/fileio/fileio.h>
#include <dirent.h>
#include <cyg/athttpd/http.h>
#include <cyg/athttpd/socket.h>
#include <cyg/athttpd/handler.h>
#include <cyg/athttpd/cgi.h>
#include <cyg/athttpd/forms.h>
#include <cyg/discover/discover.h>
#include <cyg/io/io.h>
#include <cyg/io/serialio.h>
#include <netinet/tcp.h>
#include <cyg/hal/hal_diag.h>
#include "rom.h"
#ifdef CYGPKG_HAL_NIOS2
#include <cyg/hal/io.h>
#define ZY1000_SER_DEV "/dev/uart_0"
#else
#define ZY1000_SER_DEV "/dev/ser0"
#endif
#define MAX_IFS 64
#if defined(CYGPKG_NET_FREEBSD_STACK)
#include <tftp_support.h>
/* posix compatibility broken*/
struct tftpd_fileops fileops =
{
(int (*)(const char *, int))open,
close,
(int (*)(int, const void *, int))write,
(int (*)(int, void *, int))read
};
#endif
void diag_write(char *buf, int len)
{
int j;
for (j = 0; j < len; j++)
{
diag_printf("%c", buf[j]);
}
}
static bool serialLog = true;
static bool writeLog = true;
char hwaddr[512];
#ifdef CYGPKG_PROFILE_GPROF
#include <cyg/profile/profile.h>
extern char _stext, _etext; // Defined by the linker
static char *start_of_code=&_stext;
static char *end_of_code=&_etext;
void start_profile(void)
{
// This starts up the system-wide profiling, gathering
// profile information on all of the code, with a 16 byte
// "bucket" size, at a rate of 100us/profile hit.
// Note: a bucket size of 16 will give pretty good function
// resolution. Much smaller and the buffer becomes
// much too large for very little gain.
// Note: a timer period of 100us is also a reasonable
// compromise. Any smaller and the overhead of
// handling the timter (profile) interrupt could
// swamp the system. A fast processor might get
// by with a smaller value, but a slow one could
// even be swamped by this value. If the value is
// too large, the usefulness of the profile is reduced.
// no more interrupts than 1/10ms.
//profile_on((void *)0, (void *)0x40000, 16, 10000); // SRAM
// profile_on(0, &_etext, 16, 10000); // SRAM & DRAM
profile_on(start_of_code, end_of_code, 16, 10000); // Nios DRAM
}
#endif
static FILE *log;
static char reboot_stack[2048];
static void zylinjtag_reboot(cyg_addrword_t data)
{
serialLog = true;
diag_printf("Rebooting in 500 ticks..\n");
cyg_thread_delay(500);
diag_printf("Unmounting /config..\n");
umount("/config");
diag_printf("Rebooting..\n");
#ifdef CYGPKG_HAL_NIOS2
/* This will reboot & reconfigure the FPGA from the bootloader
* and on.
*/
IOWR(REMOTE_UPDATE_BASE, 0x20, 0x1);
#else
HAL_PLATFORM_RESET();
#endif
}
static cyg_thread zylinjtag_thread_object;
static cyg_handle_t zylinjtag_thread_handle;
void reboot(void)
{
cyg_thread_create(1, zylinjtag_reboot, (cyg_addrword_t) 0, "reboot Thread",
(void *) reboot_stack, sizeof(reboot_stack),
&zylinjtag_thread_handle, &zylinjtag_thread_object);
cyg_thread_resume(zylinjtag_thread_handle);
}
static char zylinjtag_reboot_port_stack[2048];
static cyg_thread zylinjtag_reboot_port_thread_object;
static cyg_handle_t zylinjtag_reboot_port_thread_handle;
static void zylinjtag_reboot_port_task(cyg_addrword_t data)
{
int so_reuseaddr_option = 1;
int fd;
if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
{
LOG_ERROR("error creating socket: %s", strerror(errno));
exit(-1);
}
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &so_reuseaddr_option,
sizeof(int));
struct sockaddr_in sin;
unsigned int address_size;
address_size = sizeof(sin);
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = INADDR_ANY;
sin.sin_port = htons(1234);
if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
{
LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
exit(-1);
}
if (listen(fd, 1) == -1)
{
LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
exit(-1);
}
// socket_nonblock(fd);
accept(fd, (struct sockaddr *) &sin, &address_size);
diag_printf("Got reboot signal on port 1234");
reboot();
}
void reboot_port(void)
{
cyg_thread_create(1, zylinjtag_reboot_port_task, (cyg_addrword_t) 0, "wait for reboot signal on port 1234",
(void *) zylinjtag_reboot_port_stack, sizeof(zylinjtag_reboot_port_stack),
&zylinjtag_reboot_port_thread_handle, &zylinjtag_reboot_port_thread_object);
cyg_thread_resume(zylinjtag_reboot_port_thread_handle);
}
int configuration_output_handler(struct command_context *context,
const char* line)
{
diag_printf("%s", line);
return ERROR_OK;
}
int zy1000_configuration_output_handler_log(struct command_context *context,
const char* line)
{
LOG_USER_N("%s", line);
return ERROR_OK;
}
#ifdef CYGPKG_PROFILE_GPROF
//extern int64_t totaltime;
static int zylinjtag_Jim_Command_profile(Jim_Interp *interp, int argc,
Jim_Obj * const *argv)
{
if ((argc == 2) && (strcmp(Jim_GetString(argv[1], NULL), "stats")==0))
{
// profile_off();
//LOG_USER("Stats %dms sleeping in select()", (int)totaltime);
} else
{
LOG_USER("Profiling started");
start_profile();
//totaltime = 0;
}
return ERROR_OK;
}
#endif
externC void phi_init_all_network_interfaces(void);
struct command_context *cmd_ctx;
static bool webRunning = false;
void keep_webserver(void)
{
// Target initialisation is only attempted at startup, so we sleep forever and
// let the http server bail us out(i.e. get config files set up).
diag_printf("OpenOCD has invoked exit().\n"
"Use web server to correct any configuration settings and reboot.\n");
if (!webRunning)
reboot();
// exit() will terminate the current thread and we we'll then sleep eternally or
// we'll have a reboot scheduled.
}
extern void printDccChar(char c);
static char logBuffer[128 * 1024];
static const int logSize = sizeof(logBuffer);
int writePtr = 0;
int logCount = 0;
void _zylinjtag_diag_write_char(char c, void **param)
{
if (writeLog)
{
logBuffer[writePtr] = c;
writePtr = (writePtr + 1) % logSize;
logCount++;
}
if (serialLog)
{
if (c == '\n')
{
HAL_DIAG_WRITE_CHAR('\r');
}
HAL_DIAG_WRITE_CHAR(c);
}
#ifdef CYGPKG_HAL_ZYLIN_PHI
printDccChar(c);
#endif
}
void copyfile(char *name2, char *name1);
void copydir(char *name, char *destdir);
#if 0
MTAB_ENTRY(romfs_mte1,
"/rom",
"romfs",
"",
(CYG_ADDRWORD) &filedata[0]);
#endif
void openocd_sleep_prelude(void)
{
cyg_mutex_unlock(&httpstate.jim_lock);
}
void openocd_sleep_postlude(void)
{
cyg_mutex_lock(&httpstate.jim_lock);
}
void format(void)
{
#ifdef CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1
diag_printf("Formatting JFFS2...\n");
cyg_io_handle_t handle;
Cyg_ErrNo err;
err = cyg_io_lookup(CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1, &handle);
if (err != ENOERR)
{
diag_printf("Flash Error cyg_io_lookup: %d\n", err);
reboot();
}
cyg_uint32 len;
cyg_io_flash_getconfig_devsize_t ds;
len = sizeof(ds);
err = cyg_io_get_config(handle, CYG_IO_GET_CONFIG_FLASH_DEVSIZE, &ds, &len);
if (err != ENOERR)
{
diag_printf("Flash error cyg_io_get_config %d\n", err);
reboot();
}
cyg_io_flash_getconfig_erase_t e;
len = sizeof(e);
e.offset = 0;
e.len = ds.dev_size;
diag_printf("Formatting 0x%08x bytes\n", (int)ds.dev_size);
err = cyg_io_get_config(handle, CYG_IO_GET_CONFIG_FLASH_ERASE, &e, &len);
if (err != ENOERR)
{
diag_printf("Flash erase error %d offset 0x%08x\n", err, e.err_address);
reboot();
}
diag_printf("Flash formatted successfully\n");
#endif
reboot();
}
static int zylinjtag_Jim_Command_format_jffs2(Jim_Interp *interp, int argc,
Jim_Obj * const *argv)
{
if (argc != 1)
{
return JIM_ERR;
}
format();
for (;;)
;
}
static int zylinjtag_Jim_Command_threads(Jim_Interp *interp, int argc,
Jim_Obj * const *argv)
{
cyg_handle_t thread = 0;
cyg_uint16 id = 0;
Jim_Obj *threads = Jim_NewListObj(interp, NULL, 0);
/* Loop over the threads, and generate a table row for
* each.
*/
while (cyg_thread_get_next(&thread, &id))
{
Jim_Obj *threadObj = Jim_NewListObj(interp, NULL, 0);
cyg_thread_info info;
char *state_string;
cyg_thread_get_info(thread, id, &info);
if (info.name == NULL)
info.name = "<no name>";
Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
info.name, strlen(info.name)));
/* Translate the state into a string.
*/
if (info.state == 0)
state_string = "RUN";
else if (info.state & 0x04)
state_string = "SUSP";
else
switch (info.state & 0x1b)
{
case 0x01:
state_string = "SLEEP";
break;
case 0x02:
state_string = "CNTSLEEP";
break;
case 0x08:
state_string = "CREATE";
break;
case 0x10:
state_string = "EXIT";
break;
default:
state_string = "????";
break;
}
Jim_ListAppendElement(interp, threadObj, Jim_NewStringObj(interp,
state_string, strlen(state_string)));
Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp, id));
Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp,
info.set_pri));
Jim_ListAppendElement(interp, threadObj, Jim_NewIntObj(interp,
info.cur_pri));
Jim_ListAppendElement(interp, threads, threadObj);
}
Jim_SetResult(interp, threads);
return JIM_OK;
}
static int zylinjtag_Jim_Command_log(Jim_Interp *interp, int argc,
Jim_Obj * const *argv)
{
Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
if (logCount >= logSize)
{
Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer + logCount
% logSize, logSize - logCount % logSize);
}
Jim_AppendString(httpstate.jim_interp, tclOutput, logBuffer, writePtr);
Jim_SetResult(interp, tclOutput);
return JIM_OK;
}
static int zylinjtag_Jim_Command_reboot(Jim_Interp *interp, int argc,
Jim_Obj * const *argv)
{
reboot();
return JIM_OK;
}
static void zylinjtag_startNetwork(void)
{
// Bring TCP/IP up immediately before we're ready to accept commands.
//
// That is as soon as a PING responds, we're accepting telnet sessions.
#if defined(CYGPKG_NET_FREEBSD_STACK)
phi_init_all_network_interfaces();
#else
lwip_init();
#endif
if (!eth0_up)
{
diag_printf("Network not up and running\n");
exit(-1);
}
/* very first thing we want is a reboot capability */
reboot_port();
#if defined(CYGPKG_NET_FREEBSD_STACK)
/*start TFTP*/
tftpd_start(69, &fileops);
#endif
cyg_httpd_init_tcl_interpreter();
// Kludge! Why can't I do this from httpd.c??? I get linker errors...
// some of that --start/end-group stuff?
Jim_InitStaticExtensions(httpstate.jim_interp);
Jim_CreateCommand(httpstate.jim_interp, "log", zylinjtag_Jim_Command_log,
NULL, NULL);
Jim_CreateCommand(httpstate.jim_interp, "zy1000_reboot",
zylinjtag_Jim_Command_reboot, NULL, NULL);
Jim_CreateCommand(httpstate.jim_interp, "threads",
zylinjtag_Jim_Command_threads, NULL, NULL);
Jim_CreateCommand(httpstate.jim_interp, "format_jffs2",
zylinjtag_Jim_Command_format_jffs2, NULL, NULL);
cyg_httpd_start();
webRunning = true;
diag_printf("Web server running\n");
int s;
struct ifreq ifr;
s = socket(AF_INET, SOCK_DGRAM, 0);
if (s >= 0)
{
strcpy(ifr.ifr_name, "eth0");
int res;
res = ioctl(s, SIOCGIFHWADDR, &ifr);
close(s);
if (res < 0)
{
diag_printf("Can't obtain MAC address\n");
reboot();
}
}
sprintf(hwaddr, "%02x:%02x:%02x:%02x:%02x:%02x",
(int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[0],
(int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[1],
(int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[2],
(int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[3],
(int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[4],
(int) ((unsigned char *) &ifr.ifr_hwaddr.sa_data)[5]);
discover_message
= alloc_printf("ZY1000 Zylin JTAG debugger MAC %s", hwaddr);
discover_launch();
}
static void print_exception_handler(cyg_addrword_t data, cyg_code_t exception,
cyg_addrword_t info)
{
writeLog = false;
serialLog = true;
char *infoStr = "unknown";
switch (exception)
{
#ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
case CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION:
infoStr = "undefined instruction";
break;
case CYGNUM_HAL_VECTOR_SOFTWARE_INTERRUPT:
infoStr = "software interrupt";
break;
case CYGNUM_HAL_VECTOR_ABORT_PREFETCH:
infoStr = "abort prefetch";
break;
case CYGNUM_HAL_VECTOR_ABORT_DATA:
infoStr = "abort data";
break;
#endif
default:
break;
}
diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
diag_printf("Dumping log\n---\n");
if (logCount >= logSize)
{
diag_write(logBuffer + logCount % logSize, logSize - logCount % logSize);
}
diag_write(logBuffer, writePtr);
diag_printf("---\nLogdump complete.\n");
diag_printf("Exception: %08x(%s) %08x\n", exception, infoStr, info);
diag_printf("\n---\nRebooting\n");
HAL_PLATFORM_RESET();
}
#ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
static void setHandler(cyg_code_t exception)
{
cyg_exception_handler_t *old_handler;
cyg_addrword_t old_data;
cyg_exception_set_handler(exception, print_exception_handler, 0,
&old_handler, &old_data);
}
#endif
static cyg_thread zylinjtag_uart_thread_object;
static cyg_handle_t zylinjtag_uart_thread_handle;
static char uart_stack[4096];
static char forwardBuffer[1024]; // NB! must be smaller than a TCP/IP packet!!!!!
static char backwardBuffer[1024];
void setNoDelay(int session, int flag)
{
#if 1
// This decreases latency dramatically for e.g. GDB load which
// does not have a sliding window protocol
//
// Can cause *lots* of TCP/IP packets to be sent and it would have
// to be enabled/disabled on the fly to avoid the CPU being
// overloaded...
setsockopt(session, /* socket affected */
IPPROTO_TCP, /* set option at TCP level */
TCP_NODELAY, /* name of option */
(char *) &flag, /* the cast is historical
cruft */
sizeof(int)); /* length of option value */
#endif
}
#define TEST_TCPIP() 0
#if TEST_TCPIP
struct
{
int req;
int actual;
int req2;
int actual2;
} tcpipSent[512 * 1024];
int cur;
#endif
static void zylinjtag_uart(cyg_addrword_t data)
{
int so_reuseaddr_option = 1;
int fd;
if ((fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
{
LOG_ERROR("error creating socket: %s", strerror(errno));
exit(-1);
}
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &so_reuseaddr_option,
sizeof(int));
struct sockaddr_in sin;
unsigned int address_size;
address_size = sizeof(sin);
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = INADDR_ANY;
sin.sin_port = htons(5555);
if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) == -1)
{
LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
exit(-1);
}
if (listen(fd, 1) == -1)
{
LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
exit(-1);
}
// socket_nonblock(fd);
for (;;)
{
int session = accept(fd, (struct sockaddr *) &sin, &address_size);
if (session < 0)
{
continue;
}
setNoDelay(session, 1);
int oldopts = fcntl(session, F_GETFL, 0);
fcntl(session, F_SETFL, oldopts | O_NONBLOCK); //
int serHandle = open(ZY1000_SER_DEV, O_RDWR | O_NONBLOCK);
if (serHandle < 0)
{
close(session);
continue;
}
#ifdef CYGPKG_PROFILE_GPROF
start_profile();
#endif
size_t actual = 0;
size_t actual2 = 0;
size_t pos, pos2;
pos = 0;
pos2 = 0;
#if TEST_TCPIP
cur = 0;
#endif
for (;;)
{
fd_set write_fds;
fd_set read_fds;
FD_ZERO(&write_fds);
FD_ZERO(&read_fds);
int fd_max = -1;
FD_SET(session, &read_fds);
fd_max = session;
FD_SET(serHandle, &read_fds);
if (serHandle > fd_max)
{
fd_max = serHandle;
}
/* Wait... */
cyg_thread_delay(5); // 50ms fixed delay to wait for data to be sent/received
if ((actual == 0) && (actual2 == 0))
{
int retval = select(fd_max + 1, &read_fds, NULL, NULL, NULL);
if (retval <= 0)
{
break;
}
}
if (actual2 <= 0)
{
memset(backwardBuffer, 's', sizeof(backwardBuffer));
int t;
t = read(serHandle, backwardBuffer,
sizeof(backwardBuffer));
actual2 = t;
if (t < 0)
{
if (errno != EAGAIN)
{
goto closeSession;
}
actual2 = 0;
}
pos2 = 0;
}
size_t y = 0;
if (actual2 > 0)
{
int written = write(session, backwardBuffer + pos2, actual2);
if (written <= 0)
goto closeSession;
actual2 -= written;
pos2 += written;
y = written;
}
if (FD_ISSET(session, &read_fds)
&& (sizeof(forwardBuffer) > actual))
{
// NB! Here it is important that we empty the TCP/IP read buffer
// to make transmission tick right
memmove(forwardBuffer, forwardBuffer + pos, actual);
pos = 0;
int t;
// this will block if there is no data at all
t = read_socket(session, forwardBuffer + actual,
sizeof(forwardBuffer) - actual);
if (t <= 0)
{
goto closeSession;
}
actual += t;
}
int y2 = 0;
if (actual > 0)
{
/* Do not put things into the serial buffer if it has something to send
* as that can cause a single byte to be sent at the time.
*
*
*/
int written = write(serHandle, forwardBuffer + pos, actual);
if (written < 0)
{
if (errno != EAGAIN)
{
goto closeSession;
}
// The serial buffer is full
written = 0;
}
else
{
actual -= written;
pos += written;
}
y2 = written;
}
#if TEST_TCPIP
if (cur < 1024)
{
tcpipSent[cur].req = x;
tcpipSent[cur].actual = y;
tcpipSent[cur].req2 = x2;
tcpipSent[cur].actual2 = y2;
cur++;
}
#endif
}
closeSession: close(session);
close(serHandle);
#if TEST_TCPIP
int i;
for (i = 0; i < 1024; i++)
{
diag_printf("%d %d %d %d\n", tcpipSent[i].req, tcpipSent[i].actual,
tcpipSent[i].req2, tcpipSent[i].actual2);
}
#endif
}
close(fd);
}
void startUart(void)
{
cyg_thread_create(1, zylinjtag_uart, (cyg_addrword_t) 0, "uart thread",
(void *) uart_stack, sizeof(uart_stack),
&zylinjtag_uart_thread_handle, &zylinjtag_uart_thread_object);
cyg_thread_set_priority(zylinjtag_uart_thread_handle, 1); // low priority as it sits in a busy loop
cyg_thread_resume(zylinjtag_uart_thread_handle);
}
static int zylinjtag_Jim_Command_uart(Jim_Interp *interp, int argc,
Jim_Obj * const *argv)
{
static int current_baud = 38400;
if (argc == 1)
{
Jim_SetResult(interp, Jim_NewIntObj(interp, current_baud));
return JIM_OK;
}
else if (argc != 2)
{
return JIM_ERR;
}
long new_baudrate;
if (Jim_GetLong(interp, argv[1], &new_baudrate) != JIM_OK)
return JIM_ERR;
current_baud = new_baudrate;
int baud;
switch (current_baud)
{
case 9600:
baud = CYGNUM_SERIAL_BAUD_9600;
break;
case 19200:
baud = CYGNUM_SERIAL_BAUD_19200;
break;
case 38400:
baud = CYGNUM_SERIAL_BAUD_38400;
break;
case 57600:
baud = CYGNUM_SERIAL_BAUD_57600;
break;
case 115200:
baud = CYGNUM_SERIAL_BAUD_115200;
break;
case 230400:
baud = CYGNUM_SERIAL_BAUD_230400;
break;
default:
Jim_SetResult(interp, Jim_NewStringObj(interp, "unsupported baudrate", -1));
return JIM_ERR;
}
cyg_serial_info_t buf;
cyg_uint32 len = 1;
//get existing serial configuration
len = sizeof(cyg_serial_info_t);
int err;
cyg_io_handle_t serial_handle;
err = cyg_io_lookup(ZY1000_SER_DEV, &serial_handle);
if (err != ENOERR)
{
Jim_SetResult(interp, Jim_NewStringObj(interp, "Could not open serial port", -1));
return JIM_ERR;
}
err = cyg_io_get_config(serial_handle,
CYG_IO_GET_CONFIG_SERIAL_OUTPUT_DRAIN, &buf, &len);
err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_INFO, &buf,
&len);
if (err != ENOERR)
{
Jim_SetResult(interp, Jim_NewStringObj(interp, "Failed to get serial port settings", -1));
return JIM_ERR;
}
buf.baud = baud;
err = cyg_io_set_config(serial_handle, CYG_IO_SET_CONFIG_SERIAL_INFO, &buf,
&len);
if (err != ENOERR)
{
Jim_SetResult(interp, Jim_NewStringObj(interp, "Failed to set serial port settings", -1));
return JIM_ERR;
}
return JIM_OK;
}
bool logAllToSerial = false;
int boolParam(char *var);
static const char *zylin_config_dir="/config/settings";
static int add_default_dirs(void)
{
add_script_search_dir(zylin_config_dir);
add_script_search_dir("/rom/lib/openocd");
add_script_search_dir("/rom");
return ERROR_OK;
}
int main(int argc, char *argv[])
{
/* ramblockdevice will be the same address every time. The deflate app uses a buffer 16mBytes out, so we
* need to allocate towards the end of the heap. */
#ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
setHandler(CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION);
setHandler(CYGNUM_HAL_VECTOR_ABORT_PREFETCH);
setHandler(CYGNUM_HAL_VECTOR_ABORT_DATA);
#endif
int err;
atexit(keep_webserver);
diag_init_putc(_zylinjtag_diag_write_char);
// We want this in the log.
#ifdef CYGPKG_HAL_NIOS2
diag_printf("Zylin ZY1000 PCB revc.\n");
#else
diag_printf("Zylin ZY1000 PCB revb.\n");
#endif
err = mount("", "/ram", "ramfs");
if (err < 0)
{
diag_printf("unable to mount ramfs\n");
}
chdir("/ram");
char address[16];
sprintf(address, "%p", &filedata[0]);
err = mount(address, "/rom", "romfs");
if (err < 0)
{
diag_printf("unable to mount /rom\n");
}
err = mount("", "/log", "logfs");
if (err < 0)
{
diag_printf("unable to mount logfs\n");
}
err = mount("", "/tftp", "tftpfs");
if (err < 0)
{
diag_printf("unable to mount logfs\n");
}
log = fopen("/log/log", "w");
if (log == NULL)
{
diag_printf("Could not open log file /ram/log\n");
exit(-1);
}
copydir("/rom", "/ram/cgi");
#ifdef CYGPKG_HAL_NIOS2
cyg_flashaddr_t err_address;
#define UNCACHED_EXT_FLASH_BASE (0x80000000 + EXT_FLASH_BASE)
/* The revc flash is locked upon reset, unlock it */
#ifdef CYGHWR_IO_FLASH_BLOCK_LOCKING
if ((err = flash_unlock((void *) UNCACHED_EXT_FLASH_BASE, EXT_FLASH_SPAN,
(void **) &err_address)) != 0)
{
diag_printf("Error: could not unlock flash\n");
}
#endif
#endif
err = mount("/dev/flash1", "/config", "jffs2");
if (err < 0)
{
diag_printf("unable to mount jffs2, falling back to ram disk..\n");
err = mount("", "/config", "ramfs");
if (err < 0)
{
diag_printf("unable to mount /config as ramdisk.\n");
reboot();
}
}
else
{
/* are we using a ram disk instead of a flash disk? This is used
* for ZY1000 live demo...
*
* copy over flash disk to ram block device
*/
if (boolParam("ramdisk"))
{
diag_printf("Unmounting /config from flash and using ram instead\n");
err = umount("/config");
if (err < 0)
{
diag_printf("unable to unmount jffs\n");
reboot();
}
err = mount("/dev/flash1", "/config2", "jffs2");
if (err < 0)
{
diag_printf("unable to mount jffs\n");
reboot();
}
err = mount("", "/config", "ramfs");
if (err < 0)
{
diag_printf("unable to mount ram block device\n");
reboot();
}
// copydir("/config2", "/config");
copyfile("/config2/ip", "/config/ip");
copydir("/config2/settings", "/config/settings");
umount("/config2");
}
}
mkdir(zylin_config_dir, 0777);
char *dirname = alloc_printf("%s/target", zylin_config_dir);
mkdir(dirname, 0777);
free(dirname);
dirname = alloc_printf("%s/board", zylin_config_dir);
mkdir(dirname, 0777);
free(dirname);
dirname = alloc_printf("%s/event", zylin_config_dir);
mkdir(dirname, 0777);
free(dirname);
logAllToSerial = boolParam("logserial");
// We need the network & web server in case there is something wrong with
// the config files that invoke exit()
zylinjtag_startNetwork();
/* we're going to access the jim interpreter from here on... */
openocd_sleep_postlude();
startUart();
add_default_dirs();
/* initialize commandline interface */
struct command_context * cmd_ctx;
struct command_context *setup_command_handler(Jim_Interp *interp);
cmd_ctx = setup_command_handler(httpstate.jim_interp);
command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
command_context_mode(cmd_ctx, COMMAND_CONFIG);
if (util_init(cmd_ctx) != ERROR_OK)
return EXIT_FAILURE;
if (ioutil_init(cmd_ctx) != ERROR_OK)
return EXIT_FAILURE;
#ifdef CYGPKG_PROFILE_GPROF
Jim_CreateCommand(httpstate.jim_interp, "zy1000_profile", zylinjtag_Jim_Command_profile,
NULL, NULL);
#endif
Jim_CreateCommand(httpstate.jim_interp, "zy1000_uart", zylinjtag_Jim_Command_uart, NULL, NULL);
log_init();
set_log_output(cmd_ctx, log);
LOG_DEBUG("log init complete");
// diag_printf("Executing config files\n");
if (logAllToSerial)
{
diag_printf(
"%s/logserial = 1 => sending log output to serial port using \"debug_level 3\" as default.\n", zylin_config_dir);
command_run_line(cmd_ctx, "debug_level 3");
}
command_run_linef(cmd_ctx, "script /rom/openocd.cfg");
int ret;
ret = server_init(cmd_ctx);
if (ERROR_OK != ret)
return EXIT_FAILURE;
/* we MUST always run the init command as it will launch telnet sessions */
command_run_line(cmd_ctx, "init");
// FIX!!! Yuk!
// diag_printf() is really invoked from many more places than we trust it
// not to cause instabilities(e.g. invoking fputc() from an interrupt is *BAD*).
//
// Disabling it here is safe and gives us enough logged debug output for now. Crossing
// fingers that it doesn't cause any crashes.
diag_printf("Init complete, GDB & telnet servers launched.\n");
command_set_output_handler(cmd_ctx,
zy1000_configuration_output_handler_log, NULL);
if (!logAllToSerial)
{
serialLog = false;
}
/* handle network connections */
server_loop(cmd_ctx);
openocd_sleep_prelude();
/* shut server down */
server_quit();
/* free commandline interface */
command_done(cmd_ctx);
umount("/config");
exit(0);
for (;;)
;
}
cyg_int32 cyg_httpd_exec_cgi_tcl(char *file_name);
cyg_int32 homeForm(CYG_HTTPD_STATE *p)
{
cyg_httpd_exec_cgi_tcl("/ram/cgi/index.tcl");
return 0;
}
CYG_HTTPD_HANDLER_TABLE_ENTRY(root_label, "/", homeForm);
CYG_HTTPD_MIME_TABLE_ENTRY(text_mime_label, "text", "text/plain");
CYG_HTTPD_MIME_TABLE_ENTRY(bin_mime_label, "bin", "application/octet-stream");
#include <pkgconf/system.h>
#include <pkgconf/hal.h>
#include <pkgconf/kernel.h>
#include <pkgconf/io_fileio.h>
#include <pkgconf/fs_rom.h>
#include <cyg/kernel/ktypes.h> // base kernel types
#include <cyg/infra/cyg_trac.h> // tracing macros
#include <cyg/infra/cyg_ass.h> // assertion macros
#include <cyg/fileio/fileio.h>
#include <cyg/kernel/kapi.h>
#include <cyg/infra/diag.h>
//==========================================================================
// Eventually we want to eXecute In Place from the ROM in a protected
// environment, so we'll need executables to be aligned to a boundary
// suitable for MMU protection. A suitable boundary would be the 4k
// boundary in all the CPU architectures I am currently aware of.
// Forward definitions
// Filesystem operations
static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
static int tftpfs_umount(cyg_mtab_entry *mte);
static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
int mode, cyg_file *fte);
static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
// File operations
static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
static int tftpfs_fo_close(struct CYG_FILE_TAG *fp);
static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence);
//==========================================================================
// Filesystem table entries
// -------------------------------------------------------------------------
// Fstab entry.
// This defines the entry in the filesystem table.
// For simplicity we use _FILESYSTEM synchronization for all accesses since
// we should never block in any filesystem operations.
#if 1
FSTAB_ENTRY(tftpfs_fste, "tftpfs", 0,
CYG_SYNCMODE_NONE,
tftpfs_mount,
tftpfs_umount,
tftpfs_open,
(cyg_fsop_unlink *)cyg_fileio_erofs,
(cyg_fsop_mkdir *)cyg_fileio_erofs,
(cyg_fsop_rmdir *)cyg_fileio_erofs,
(cyg_fsop_rename *)cyg_fileio_erofs,
(cyg_fsop_link *)cyg_fileio_erofs,
(cyg_fsop_opendir *)cyg_fileio_erofs,
(cyg_fsop_chdir *)cyg_fileio_erofs,
(cyg_fsop_stat *)cyg_fileio_erofs,
(cyg_fsop_getinfo *)cyg_fileio_erofs,
(cyg_fsop_setinfo *)cyg_fileio_erofs);
#endif
// -------------------------------------------------------------------------
// mtab entry.
// This defines a single ROMFS loaded into ROM at the configured address
//
// MTAB_ENTRY(rom_mte, // structure name
// "/rom", // mount point
// "romfs", // FIlesystem type
// "", // hardware device
// (CYG_ADDRWORD) CYGNUM_FS_ROM_BASE_ADDRESS // Address in ROM
//);
// -------------------------------------------------------------------------
// File operations.
// This set of file operations are used for normal open files.
static cyg_fileops tftpfs_fileops =
{ tftpfs_fo_read, tftpfs_fo_write, tftpfs_fo_lseek,
(cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
tftpfs_fo_fsync, tftpfs_fo_close,
(cyg_fileop_fstat *) cyg_fileio_erofs,
(cyg_fileop_getinfo *) cyg_fileio_erofs,
(cyg_fileop_setinfo *) cyg_fileio_erofs, };
// -------------------------------------------------------------------------
// tftpfs_mount()
// Process a mount request. This mainly finds root for the
// filesystem.
static int tftpfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
{
return ENOERR;
}
static int tftpfs_umount(cyg_mtab_entry *mte)
{
return ENOERR;
}
struct Tftp
{
int write;
int readFile;
cyg_uint8 *mem;
int actual;
char *server;
int port;
char *file;
};
static void freeTftp(struct Tftp *t)
{
if (t == NULL)
return;
if (t->mem)
free(t->mem);
if (t->server)
free(t->server);
if (t->file)
free(t->file);
free(t);
}
static const int tftpMaxSize = 8192 * 1024;
static int tftpfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
int mode, cyg_file *file)
{
struct Tftp *tftp;
tftp = malloc(sizeof(struct Tftp));
if (tftp == NULL)
return EMFILE;
memset(tftp, 0, sizeof(struct Tftp));
file->f_flag |= mode & CYG_FILE_MODE_MASK;
file->f_type = CYG_FILE_TYPE_FILE;
file->f_ops = &tftpfs_fileops;
file->f_offset = 0;
file->f_data = 0;
file->f_xops = 0;
tftp->mem = malloc(tftpMaxSize);
if (tftp->mem == NULL)
{
freeTftp(tftp);
return EMFILE;
}
char *server = strchr(name, '/');
if (server == NULL)
{
freeTftp(tftp);
return EMFILE;
}
tftp->server = malloc(server - name + 1);
if (tftp->server == NULL)
{
freeTftp(tftp);
return EMFILE;
}
strncpy(tftp->server, name, server - name);
tftp->server[server - name] = 0;
tftp->port = 0; /* default port 69 */
char *port;
port = strchr(tftp->server, ':');
if (port != NULL)
{
tftp->port = atoi(port + 1);
*port = 0;
}
tftp->file = strdup(server + 1);
if (tftp->file == NULL)
{
freeTftp(tftp);
return EMFILE;
}
file->f_data = (CYG_ADDRWORD) tftp;
return ENOERR;
}
static int fetchTftp(struct Tftp *tftp)
{
if (!tftp->readFile)
{
int err;
tftp->actual = tftp_client_get(tftp->file, tftp->server, tftp->port, tftp->mem,
tftpMaxSize, TFTP_OCTET, &err);
if (tftp->actual < 0)
{
return EMFILE;
}
tftp->readFile = 1;
}
return ENOERR;
}
// -------------------------------------------------------------------------
// tftpfs_fo_write()
// Read data from file.
static int tftpfs_fo_read(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
{
struct Tftp *tftp = (struct Tftp *) fp->f_data;
if (fetchTftp(tftp) != ENOERR)
return EMFILE;
int i;
off_t pos = fp->f_offset;
int resid = 0;
for (i = 0; i < uio->uio_iovcnt; i++)
{
cyg_iovec *iov = &uio->uio_iov[i];
char *buf = (char *) iov->iov_base;
off_t len = iov->iov_len;
if (len + pos > tftp->actual)
{
len = tftp->actual - pos;
}
resid += iov->iov_len - len;
memcpy(buf, tftp->mem + pos, len);
pos += len;
}
uio->uio_resid = resid;
fp->f_offset = pos;
return ENOERR;
}
static int tftpfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
{
struct Tftp *tftp = (struct Tftp *) fp->f_data;
int i;
off_t pos = fp->f_offset;
int resid = 0;
for (i = 0; i < uio->uio_iovcnt; i++)
{
cyg_iovec *iov = &uio->uio_iov[i];
char *buf = (char *) iov->iov_base;
off_t len = iov->iov_len;
if (len + pos > tftpMaxSize)
{
len = tftpMaxSize - pos;
}
resid += iov->iov_len - len;
memcpy(tftp->mem + pos, buf, len);
pos += len;
}
uio->uio_resid = resid;
fp->f_offset = pos;
tftp->write = 1;
return ENOERR;
}
static int tftpfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
{
int error = ENOERR;
return error;
}
// -------------------------------------------------------------------------
// romfs_fo_close()
// Close a file. We just clear out the data pointer.
static int tftpfs_fo_close(struct CYG_FILE_TAG *fp)
{
struct Tftp *tftp = (struct Tftp *) fp->f_data;
int error = ENOERR;
if (tftp->write)
{
tftp_client_put(tftp->file, tftp->server, 0, tftp->mem, fp->f_offset,
TFTP_OCTET, &error);
}
freeTftp(tftp);
fp->f_data = 0;
return error;
}
// -------------------------------------------------------------------------
// romfs_fo_lseek()
// Seek to a new file position.
static int tftpfs_fo_lseek(struct CYG_FILE_TAG *fp, off_t *apos, int whence)
{
struct Tftp *tftp = (struct Tftp *) fp->f_data;
off_t pos = *apos;
if (fetchTftp(tftp) != ENOERR)
return EMFILE;
switch (whence)
{
case SEEK_SET:
// Pos is already where we want to be.
break;
case SEEK_CUR:
// Add pos to current offset.
pos += fp->f_offset;
break;
case SEEK_END:
// Add pos to file size.
pos += tftp->actual;
break;
default:
return EINVAL;
}
// Check that pos is still within current file size, or at the
// very end.
if (pos < 0 || pos > tftp->actual)
return EINVAL;
// All OK, set fp offset and return new position.
*apos = fp->f_offset = pos;
return ENOERR;
}
void usleep(int us)
{
if (us > 10000)
cyg_thread_delay(us / 10000 + 1);
else
HAL_DELAY_US(us);
}
// Chunked version.
cyg_int32 show_log_entry(CYG_HTTPD_STATE *phttpstate)
{
cyg_httpd_start_chunked("text");
if (logCount >= logSize)
{
cyg_httpd_write_chunked(logBuffer + logCount % logSize, logSize
- logCount % logSize);
}
cyg_httpd_write_chunked(logBuffer, writePtr);
cyg_httpd_end_chunked();
return -1;
}
CYG_HTTPD_HANDLER_TABLE_ENTRY(show_log, "/ram/log", show_log_entry);
// Filesystem operations
static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte);
static int logfs_umount(cyg_mtab_entry *mte);
static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
int mode, cyg_file *fte);
static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
// File operations
static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode);
static int logfs_fo_close(struct CYG_FILE_TAG *fp);
#include <cyg/io/devtab.h>
//==========================================================================
// Filesystem table entries
// -------------------------------------------------------------------------
// Fstab entry.
// This defines the entry in the filesystem table.
// For simplicity we use _FILESYSTEM synchronization for all accesses since
// we should never block in any filesystem operations.
FSTAB_ENTRY(logfs_fste, "logfs", 0,
CYG_SYNCMODE_FILE_FILESYSTEM | CYG_SYNCMODE_IO_FILESYSTEM,
logfs_mount,
logfs_umount,
logfs_open,
(cyg_fsop_unlink *)cyg_fileio_erofs,
(cyg_fsop_mkdir *)cyg_fileio_erofs,
(cyg_fsop_rmdir *)cyg_fileio_erofs,
(cyg_fsop_rename *)cyg_fileio_erofs,
(cyg_fsop_link *)cyg_fileio_erofs,
(cyg_fsop_opendir *)cyg_fileio_erofs,
(cyg_fsop_chdir *)cyg_fileio_erofs,
(cyg_fsop_stat *)cyg_fileio_erofs,
(cyg_fsop_getinfo *)cyg_fileio_erofs,
(cyg_fsop_setinfo *)cyg_fileio_erofs);
// -------------------------------------------------------------------------
// File operations.
// This set of file operations are used for normal open files.
static cyg_fileops logfs_fileops =
{ (cyg_fileop_read *) cyg_fileio_erofs, (cyg_fileop_write *) logfs_fo_write,
(cyg_fileop_lseek *) cyg_fileio_erofs,
(cyg_fileop_ioctl *) cyg_fileio_erofs, cyg_fileio_seltrue,
logfs_fo_fsync, logfs_fo_close, (cyg_fileop_fstat *) cyg_fileio_erofs,
(cyg_fileop_getinfo *) cyg_fileio_erofs,
(cyg_fileop_setinfo *) cyg_fileio_erofs, };
// -------------------------------------------------------------------------
// logfs_mount()
// Process a mount request. This mainly finds root for the
// filesystem.
static int logfs_mount(cyg_fstab_entry *fste, cyg_mtab_entry *mte)
{
return ENOERR;
}
static int logfs_umount(cyg_mtab_entry *mte)
{
return ENOERR;
}
static int logfs_open(cyg_mtab_entry *mte, cyg_dir dir, const char *name,
int mode, cyg_file *file)
{
file->f_flag |= mode & CYG_FILE_MODE_MASK;
file->f_type = CYG_FILE_TYPE_FILE;
file->f_ops = &logfs_fileops;
file->f_offset = 0;
file->f_data = 0;
file->f_xops = 0;
return ENOERR;
}
// -------------------------------------------------------------------------
// logfs_fo_write()
// Write data to file.
static int logfs_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
{
int i;
for (i = 0; i < uio->uio_iovcnt; i++)
{
cyg_iovec *iov = &uio->uio_iov[i];
char *buf = (char *) iov->iov_base;
off_t len = iov->iov_len;
diag_write(buf, len);
}
uio->uio_resid = 0;
return ENOERR;
}
static int logfs_fo_fsync(struct CYG_FILE_TAG *fp, int mode)
{
return ENOERR;
}
// -------------------------------------------------------------------------
// romfs_fo_close()
// Close a file. We just clear out the data pointer.
static int logfs_fo_close(struct CYG_FILE_TAG *fp)
{
return ENOERR;
}
int loadFile(const char *fileName, void **data, int *len);
/* boolean parameter stored on config */
int boolParam(char *var)
{
bool result = false;
char *name = alloc_printf("%s/%s", zylin_config_dir, var);
if (name == NULL)
return result;
void *data;
int len;
if (loadFile(name, &data, &len) == ERROR_OK)
{
if (len > 1)
len = 1;
result = strncmp((char *) data, "1", len) == 0;
free(data);
}
free(name);
return result;
}
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