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90a727c901f34652fd0489db9c1b1726fb329a2b
epics-base/modules/libcom/RTEMS/posix/rtems_init.c
Dirk Zimoch 90a727c901 Fix spelling errors 
Most errors found with:

codespell -L cach,thst,odly,aslo,parm,parms,inpu,ges,prset,pevent,ptd,pring,valu,noo,noe,ned,inout,ro,siz,froms,nd,fo,singl,sart,multy,tthe,allong,ment,inate,nodel,tring,alse,ture,thi,wille,numer

Some more manually found (its -> it's)

c++20: Do not use apostrophe (e.g. can't) in unquoted #error message
2025-12-01 19:00:04 -08:00

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/*************************************************************************\
* Copyright (c) 2002 The University of Saskatchewan
* EPICS BASE Versions 3.13.7
* and higher are distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
/*
* RTEMS startup task for EPICS
* Author: W. Eric Norum
* eric.norum@usask.ca
* (306) 966-5394
*/
/*
* This is the first implementation with posix and rtems5.
* Currently only dhcp is supported with libbsd. The reading of the
* environment variables from e.g. u-boot environment is still missing.
* Extensive tests so far only with qemu.
*/
/* trigger sys/syslog.h to emit prioritynames[] */
#define SYSLOG_NAMES
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <time.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <termios.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <sys/syslog.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <assert.h>
#include <rtems.h>
#include <rtems/malloc.h>
#include <rtems/error.h>
#include <rtems/stackchk.h>
#include <rtems/imfs.h>
#include <rtems/shell.h>
#include <pthread.h>
#include <signal.h>
#include <sched.h>
#include <rtems/libio.h>
#include <rtems/rtc.h>
#include <time.h>
#include <sys/unistd.h>
#if __RTEMS_MAJOR__ > 4
#include <rtems/tod.h>
#else
#include <rtems/score/tod.h>
#endif
#ifdef RTEMS_LEGACY_STACK
#include <rtems/rtems_bsdnet.h>
#include <librtemsNfs.h>
#else // libbsd stack
#include <rtems/bsd/bsd.h>
#include <rtems/bsd/modules.h>
#include <rtems/dhcpcd.h>
#include <machine/rtems-bsd-commands.h>
#endif
#include <rtems/telnetd.h>
#if __RTEMS_MAJOR__ > 4
#include <rtems/printer.h>
#endif
#include "epicsVersion.h"
#include "epicsThread.h"
#include "epicsTime.h"
#include "epicsExit.h"
#include "envDefs.h"
#include "errlog.h"
#include "logClient.h"
#include "osiUnistd.h"
#include "iocsh.h"
#include "osdTime.h"
#include "epicsMemFs.h"
#include "epicsEvent.h"
#include "errlog.h"
#include "epicsRtemsInitHooks.h"
#ifndef RTEMS_LEGACY_STACK
// setup own ntp-client to get time
#include "epicsNtp.h"
epicsEventId dhcpDone;
#endif
/* these settings are needed by the rtems startup
* may provide by dhcp/bootp
* or environments from the "BIOS" like u-boot, motboot etc.
*/
char rtemsInit_NTP_server_ip[16] = "";
char bootp_server_name_init[128] = "1001.1001@10.0.5.1:/epics";
char bootp_boot_file_name_init[128] = "/epics/myExample/bin/RTEMS-beatnik/myExample.boot";
char bootp_cmdline_init[128] = "/epics/myExample/iocBoot/iocmyExample/st.cmd";
/* TODO check rtems_bsdnet_bootp_cmdline */
#ifndef RTEMS_LEGACY_STACK
struct in_addr rtems_bsdnet_bootp_server_address;
char *rtems_bsdnet_bootp_server_name = bootp_server_name_init;
char *rtems_bsdnet_bootp_boot_file_name = bootp_boot_file_name_init;
char *rtems_bsdnet_bootp_cmdline = bootp_cmdline_init;
#endif // not LEGACY Stack
/*
* Prototypes for some functions not in header files
*/
//void tzset(void);
int fileno(FILE *);
int main(int argc, char **argv);
static void
logReset (void)
{
void rtems_bsp_reset_cause(char *buf, size_t capacity) __attribute__((weak));
void (*fp)(char *buf, size_t capacity) = rtems_bsp_reset_cause;
if (fp) {
char buf[80];
fp(buf, sizeof buf);
errlogPrintf ("Startup after %s.\n", buf);
}
else {
errlogPrintf ("Startup.\n");
}
}
/*
***********************************************************************
* FATAL ERROR REPORTING *
***********************************************************************
*/
/*
* Delay for a while, then terminate
*/
static void
delayedPanic (const char *msg)
{
rtems_task_wake_after (rtems_clock_get_ticks_per_second());
rtems_task_wake_after (rtems_clock_get_ticks_per_second());
rtems_panic ("%s", msg);
}
/*
* Log error and terminate
*/
void
LogFatal (const char *msg, ...)
{
va_list ap;
va_start (ap, msg);
errlogVprintf (msg, ap);
va_end (ap);
delayedPanic (msg);
}
/*
* Log RTEMS error and terminate
*/
void
LogRtemsFatal (const char *msg, rtems_status_code sc)
{
errlogPrintf ("%s: %s\n", msg, rtems_status_text (sc));
delayedPanic (msg);
}
/*
* Log network error and terminate
*/
void
LogNetFatal (const char *msg, int err)
{
errlogPrintf ("%s: %d\n", msg, err);
delayedPanic (msg);
}
void *
mustMalloc(int size, const char *msg)
{
void *p;
if ((p = malloc (size)) == NULL)
LogFatal ("Can't allocate space for %s.\n", msg);
return p;
}
/*
***********************************************************************
* REMOTE FILE ACCESS *
***********************************************************************
*/
#ifdef OMIT_NFS_SUPPORT
# include <rtems/tftp.h>
#endif
const epicsMemFS *epicsRtemsFSImage __attribute__((weak));
const epicsMemFS *epicsRtemsFSImage = (void*)&epicsRtemsFSImage;
/* hook to allow app specific FS setup */
int
epicsRtemsMountLocalFilesystem(char **argv) __attribute__((weak));
int
epicsRtemsMountLocalFilesystem(char **argv)
{
if(epicsRtemsFSImage==(void*)&epicsRtemsFSImage)
return -1; /* no FS image provided. */
else if(epicsRtemsFSImage==NULL)
return 0; /* no FS image provided, but none is needed. */
else {
printf("***** Using compiled in file data *****\n");
if (epicsMemFsLoad(epicsRtemsFSImage) != 0) {
printf("Can't unpack tar filesystem\n");
return -1;
} else {
argv[1] = "/";
return 0;
}
}
}
static int
initialize_local_filesystem(char **argv)
{
extern char _DownloadLocation[] __attribute__((weak));
extern char _FlashBase[] __attribute__((weak));
extern char _FlashSize[] __attribute__((weak));
argv[0] = rtems_bsdnet_bootp_boot_file_name;
if (epicsRtemsMountLocalFilesystem(argv)==0) {
return 1; /* FS setup successful */
#ifdef RTEMS_LEGACY_STACK
} else if (_FlashSize && (_DownloadLocation || _FlashBase)) {
extern char _edata[];
size_t flashIndex = _edata - _DownloadLocation;
char *header = _FlashBase + flashIndex;
if (memcmp(header + 257, "ustar ", 8) == 0) {
int fd;
printf ("***** Unpack in-memory file system (IMFS) *****\n");
if (rtems_tarfs_load("/", (unsigned char *)header, (size_t)_FlashSize - flashIndex) != 0) {
printf("Can't unpack tar filesystem\n");
return 0;
}
if ((fd = open(rtems_bsdnet_bootp_cmdline, 0)) >= 0) {
close(fd);
printf ("***** Found startup script (%s) in IMFS *****\n", rtems_bsdnet_bootp_cmdline);
argv[1] = rtems_bsdnet_bootp_cmdline;
return 1;
}
printf ("***** Startup script (%s) not in IMFS *****\n", rtems_bsdnet_bootp_cmdline);
}
#endif /* only with old stack, check check libbsd dependency! */
}
return 0;
}
#ifndef OMIT_NFS_SUPPORT
int
nfsMount(char *uidhost, char *path, char *mntpoint)
{
int devl = strlen(uidhost) + strlen(path) + 2;
char *dev;
int rval = -1;
if ((dev = malloc(devl)) == NULL) {
fprintf(stderr,"nfsMount: out of memory\n");
return -1;
}
sprintf(dev, "%s:%s", uidhost, path);
printf("Mount %s on %s\n", dev, mntpoint);
rval = mount_and_make_target_path (
dev, mntpoint, RTEMS_FILESYSTEM_TYPE_NFS,
RTEMS_FILESYSTEM_READ_WRITE, NULL );
if(rval)
perror("mount failed");
free(dev);
return rval;
}
#define NFS_INIT
#endif
static void
initialize_remote_filesystem(char **argv, int hasLocalFilesystem)
{
#ifdef OMIT_NFS_SUPPORT
printf ("***** Initializing TFTP *****\n");
mount_and_make_target_path(NULL,
"/TFTP",
RTEMS_FILESYSTEM_TYPE_TFTPFS,
RTEMS_FILESYSTEM_READ_WRITE,
NULL);
if (!hasLocalFilesystem) {
char *path;
int pathsize = 200;
int l;
path = mustMalloc(pathsize, "Command path name ");
strcpy (path, "/TFTP/BOOTP_HOST/epics/");
l = strlen (path);
if (gethostname (&path[l], pathsize - l - 10) || (path[l] == '\0'))
{
LogFatal ("Can't get host name");
}
strcat (path, "/st.cmd");
argv[1] = path;
}
#else
char *server_name;
char *server_path;
char *mount_point;
char *cp;
int l = 0;
printf ("***** Initializing NFS *****\n");
NFS_INIT
if (env_nfsServer && env_nfsPath && env_nfsMountPoint) {
server_name = env_nfsServer;
server_path = env_nfsPath;
mount_point = env_nfsMountPoint;
cp = mount_point;
while ((cp = strchr(cp+1, '/')) != NULL) {
*cp = '\0';
if ((mkdir (mount_point, 0755) != 0)
&& (errno != EEXIST))
LogFatal("Can't create directory \"%s\": %s.\n",
mount_point, strerror(errno));
*cp = '/';
}
argv[1] = rtems_bsdnet_bootp_cmdline;
}
else if (hasLocalFilesystem) {
return;
}
else {
/*
* Use first component of nvram/bootp command line pathname
* to set up initial NFS mount. A "/tftpboot/" is prepended
* if the pathname does not begin with a '/'. This allows
* NFS and TFTP to have a similar view of the remote system.
*/
if (rtems_bsdnet_bootp_cmdline[0] == '/')
cp = rtems_bsdnet_bootp_cmdline + 1;
else
cp = rtems_bsdnet_bootp_cmdline;
cp = strchr(cp, '/');
if ((cp == NULL)
|| ((l = cp - rtems_bsdnet_bootp_cmdline) == 0))
LogFatal("\"%s\" is not a valid command pathname.\n", rtems_bsdnet_bootp_cmdline);
cp = mustMalloc(l + 20, "NFS mount paths");
server_path = cp;
server_name = rtems_bsdnet_bootp_server_name;
if (rtems_bsdnet_bootp_cmdline[0] == '/') {
mount_point = server_path;
strncpy(mount_point, rtems_bsdnet_bootp_cmdline, l);
mount_point[l] = '\0';
argv[1] = rtems_bsdnet_bootp_cmdline;
/*
* Its probably common to embed the mount point in the server
* name so, when this is occurring, don't clobber the mount point
* by appending the first node from the command path. This allows
* the mount point to be a different path then the server's mount
* path.
*
* This allows for example a line similar to as follows the DHCP
* configuration file.
*
* server-name "159.233@192.168.0.123:/vol/vol0/bootRTEMS";
*/
if ( server_name ) {
const size_t allocSize = strlen ( server_name ) + 2;
char * const pServerName = mustMalloc( allocSize,
"NFS mount paths");
char * const pServerPath = mustMalloc ( allocSize,
"NFS mount paths");
const int scanfStatus = sscanf (
server_name,
"%[^:] : / %s",
pServerName,
pServerPath + 1u );
if ( scanfStatus == 2 ) {
pServerPath[0u]= '/';
server_name = pServerName;
// is this a general solution?
server_path = mount_point = pServerPath;
}
else {
free ( pServerName );
free ( pServerPath );
}
}
}
else {
char *abspath = mustMalloc(strlen(rtems_bsdnet_bootp_cmdline)+2,"Absolute command path");
strcpy(server_path, "/tftpboot/");
mount_point = server_path + strlen(server_path);
strncpy(mount_point, rtems_bsdnet_bootp_cmdline, l);
mount_point[l] = '\0';
mount_point--;
strcpy(abspath, "/");
strcat(abspath, rtems_bsdnet_bootp_cmdline);
argv[1] = abspath;
}
}
errlogPrintf("nfsMount(\"%s\", \"%s\", \"%s\")\n",
server_name, server_path, mount_point);
nfsMount(server_name, server_path, mount_point);
#endif
}
static
char rtems_etc_hosts[] = "127.0.0.1 localhost\n";
/* If it doesn't already exist, create /etc/hosts with an entry for 'localhost' */
static
void fixup_hosts(void)
{
FILE *fp;
int ret;
struct stat STAT;
ret=stat("/etc/hosts", &STAT);
if(ret==0)
{
return; /* already exists, assume file */
} else if(errno!=ENOENT) {
perror("error: fixup_hosts stat /etc/hosts");
return;
}
ret = mkdir("/etc", 0775);
if(ret!=0 && errno!=EEXIST)
{
perror("error: fixup_hosts create /etc");
return;
}
if((fp=fopen("/etc/hosts", "w"))==NULL)
{
perror("error: fixup_hosts create /etc/hosts");
}
if(fwrite(rtems_etc_hosts, 1, sizeof(rtems_etc_hosts)-1, fp)!=sizeof(rtems_etc_hosts)-1)
{
perror("error: failed to write /etc/hosts");
}
fclose(fp);
}
/*
* Get to the startup script directory
* The TFTP filesystem requires a trailing '/' on chdir arguments.
*/
static void
set_directory (const char *commandline)
{
const char *cp;
char *directoryPath;
int l;
cp = strrchr(commandline, '/');
if (cp == NULL) {
l = 0;
cp = "/";
}
else {
l = cp - commandline;
cp = commandline;
}
directoryPath = mustMalloc(l + 2, "Command path directory ");
strncpy(directoryPath, cp, l);
directoryPath[l] = '/';
directoryPath[l+1] = '\0';
if (chdir (directoryPath) < 0)
LogFatal ("Can't set initial directory(%s): %s\n", directoryPath, strerror(errno));
else
errlogPrintf("chdir(\"%s\")\n", directoryPath);
free(directoryPath);
}
/*
***********************************************************************
* RTEMS/EPICS COMMANDS *
***********************************************************************
*/
static const iocshArg rtshellArg0 = { "cmd", iocshArgString};
static const iocshArg rtshellArg1 = { "args", iocshArgArgv};
static const iocshArg * rtshellArgs[2] = { &rtshellArg0, &rtshellArg1};
static const iocshFuncDef rtshellFuncDef = { "rt",2, rtshellArgs
#ifdef IOCSHFUNCDEF_HAS_USAGE
, "run rtems shell command"
#endif
};
static void rtshellCallFunc(const iocshArgBuf *args)
{
rtems_shell_cmd_t *cmd = rtems_shell_lookup_cmd(args[0].sval);
int ret;
if (!cmd) {
fprintf(stderr, "ERR: No such command\n");
iocshSetError(-1);
} else {
fflush(stdout);
fflush(stderr);
ret = (*cmd->command)(args[1].aval.ac,args[1].aval.av);
fflush(stdout);
fflush(stderr);
iocshSetError(ret);
if(ret)
fprintf(stderr, "ERR: %d\n",ret);
}
}
/*
* RTEMS status
*/
static void
rtems_netstat (unsigned int level)
{
#ifndef RTEMS_LEGACY_STACK
printf ("***** Sorry not implemented yet with the new network stack (bsdlib)\n");
#else
rtems_bsdnet_show_if_stats ();
rtems_bsdnet_show_mbuf_stats ();
if (level >= 1) {
rtems_bsdnet_show_inet_routes ();
}
if (level >= 2) {
rtems_bsdnet_show_ip_stats ();
rtems_bsdnet_show_icmp_stats ();
rtems_bsdnet_show_udp_stats ();
rtems_bsdnet_show_tcp_stats ();
}
#endif
}
static const iocshArg netStatArg0 = { "level",iocshArgInt};
static const iocshArg * const netStatArgs[1] = {&netStatArg0};
static const iocshFuncDef netStatFuncDef = {"netstat",1,netStatArgs
#ifdef IOCSHFUNCDEF_HAS_USAGE
, "show network status"
#endif
};
static void netStatCallFunc(const iocshArgBuf *args)
{
rtems_netstat(args[0].ival);
}
static const iocshFuncDef heapSpaceFuncDef = {"heapSpace",0,NULL
#ifdef IOCSHFUNCDEF_HAS_USAGE
, "show malloc statistic"
#endif
};
static void heapSpaceCallFunc(const iocshArgBuf *args)
{
#if __RTEMS_MAJOR__ > 4
Heap_Information_block info;
double x;
malloc_info (&info);
x = info.Stats.size - (unsigned long)
(info.Stats.lifetime_allocated - info.Stats.lifetime_freed);
if (x >= 1024*1024)
printf("Heap space: %.1f MB\n", x / (1024 * 1024));
else
printf("Heap space: %.1f kB\n", x / 1024);
#else
rtems_malloc_statistics_t s;
double x;
malloc_get_statistics(&s);
x = s.space_available - (unsigned long)(s.lifetime_allocated - s.lifetime_freed);
if (x >= 1024*1024)
printf("Heap space: %.1f MB\n", x / (1024 * 1024));
else
printf("Heap space: %.1f kB\n", x / 1024);
#endif // RTEMS < 5
}
#ifndef OMIT_NFS_SUPPORT
static const iocshArg nfsMountArg0 = { "[uid.gid@]host",iocshArgString};
static const iocshArg nfsMountArg1 = { "server path",iocshArgString};
static const iocshArg nfsMountArg2 = { "mount point",iocshArgString};
static const iocshArg * const nfsMountArgs[3] = {&nfsMountArg0,&nfsMountArg1,
&nfsMountArg2};
static const iocshFuncDef nfsMountFuncDef = {"nfsMount",3,nfsMountArgs
#ifdef IOCSHFUNCDEF_HAS_USAGE
, "mount nfs drive"
#endif
};
static void nfsMountCallFunc(const iocshArgBuf *args)
{
char *cp = args[2].sval;
while ((cp = strchr(cp+1, '/')) != NULL) {
*cp = '\0';
if ((mkdir (args[2].sval, 0755) != 0) && (errno != EEXIST)) {
printf("Can't create directory \"%s\": %s.\n",
args[2].sval, strerror(errno));
return;
}
*cp = '/';
}
iocshSetError(nfsMount(args[0].sval, args[1].sval, args[2].sval));
}
#endif
int zoneset(const char *zone)
{
int ret;
if(zone) {
if ((ret = setenv("TZ", zone, 1)) < 0)
return ret;
}
#if defined( __NEWLIB_MINOR__ ) /* Added in newlib 2.2.0 */
else if ((ret = unsetenv("TZ")) < 0)
return ret;
#else
else
unsetenv("TZ");
#endif
tzset();
return 0;
}
static const iocshArg zonesetArg0 = {"zone string", iocshArgString};
static const iocshArg * const zonesetArgs[1] = {&zonesetArg0};
static const iocshFuncDef zonesetFuncDef = {"zoneset",1,zonesetArgs
#ifdef IOCSHFUNCDEF_HAS_USAGE
, "set timezone (obsolete?)"
#endif
};
static void zonesetCallFunc(const iocshArgBuf *args)
{
iocshSetError(zoneset(args[0].sval));
}
#ifndef RTEMS_LEGACY_STACK
static int bsd_log_to_erl(int level, const char *fmt, va_list ap)
{
return errlogVprintf(fmt, ap);
}
#endif // RTEMS_LEGACY_STACK
static void setlogmaskCallFunc(const iocshArgBuf *args)
{
const char* name = args[0].sval;
const CODE* cur;
if(!name) {
printf("Usage: setlogmask <level>\n"
"\n"
" Level names:\n");
for(cur = prioritynames; cur->c_name; cur++) {
printf(" %s\n", cur->c_name);
}
} else {
for(cur = prioritynames; cur->c_name; cur++) {
if(strcmp(name, cur->c_name)!=0)
continue;
(void)setlogmask(LOG_MASK(cur->c_val));
#ifndef RTEMS_LEGACY_STACK
rtems_bsd_setlogpriority(name);
#endif
return;
}
printf("Error: unknown log level.\n");
iocshSetError(-1);
}
}
static const iocshArg setlogmaskArg0 = {"level name", iocshArgString};
static const iocshArg * const setlogmaskArgs[1] = {&setlogmaskArg0};
static const iocshFuncDef setlogmaskFuncDef = {"setlogmask",1,setlogmaskArgs,
"Set syslog() threshold level"};
/*
* Register RTEMS-specific commands
*/
static void iocshRegisterRTEMS (void)
{
iocshRegister(&netStatFuncDef, netStatCallFunc);
iocshRegister(&heapSpaceFuncDef, heapSpaceCallFunc);
#ifndef OMIT_NFS_SUPPORT
iocshRegister(&nfsMountFuncDef, nfsMountCallFunc);
#endif
iocshRegister(&zonesetFuncDef, &zonesetCallFunc);
iocshRegister(&rtshellFuncDef, &rtshellCallFunc);
iocshRegister(&setlogmaskFuncDef, &setlogmaskCallFunc);
#if __RTEMS_MAJOR__ > 4
rtems_shell_init_environment();
#endif
}
/*
* Set up the console serial line (no handshaking)
*/
static void
initConsole (void)
{
struct termios t;
printf("\n initConsole --- Info ---\n");
printf("stdin: fileno: %d, ttyname: %s\n", fileno(stdin), ttyname(fileno(stdin)));
printf("stdout: fileno: %d, ttyname: %s\n", fileno(stdout), ttyname(fileno(stdout)));
printf("stderr: fileno: %d, ttyname: %s\n", fileno(stderr), ttyname(fileno(stderr)));
if (tcgetattr (fileno (stdin), &t) < 0) {
printf ("tcgetattr failed: %s\n", strerror (errno));
return;
}
t.c_iflag &= ~(IXOFF | IXON | IXANY);
if (tcsetattr (fileno (stdin), TCSANOW, &t) < 0) {
printf ("tcsetattr failed: %s\n", strerror (errno));
return;
}
}
/*
* Hook to ensure that BSP cleanup code gets run on exit
*/
static void
exitHandler(void)
{
rtems_shutdown_executive(0);
}
#ifndef RTEMS_LEGACY_STACK
static void
dhcpcd_hook_handler(rtems_dhcpcd_hook *hook, char *const *env)
{
int bound = 0;
char interface[16] = "?";
char reason[16] = "?";
char new_host_name[32] = "RTEMShost";
struct dhcp_vars_t {
const char * const name;
char* var;
size_t varsize;
} dhcp_vars[] = {
#define DEFVAR(N) { #N, N, sizeof(N) }
DEFVAR(interface),
DEFVAR(reason),
DEFVAR(new_host_name),
#undef DEFVAR
#define DEFVAR(N, V) { N, V, sizeof(V) }
DEFVAR("new_ntp_servers", rtemsInit_NTP_server_ip),
DEFVAR("new_tftp_server_name", bootp_server_name_init),
DEFVAR("new_bootfile_name", bootp_boot_file_name_init),
DEFVAR("new_rtems_cmdline", bootp_cmdline_init),
#undef DEFVAR
{NULL}
};
(void)hook;
printf("\n");
for (;NULL != *env;++env) {
printf("dhcpcd ---> '%s'\n", *env);
for(const struct dhcp_vars_t* var = dhcp_vars; var->name; var++) {
size_t namelen = strlen(var->name);
// assume "KEY=value" with no whitespace around '='
if(strncmp(*env, var->name, namelen)!=0 || (*env)[namelen]!='=')
continue;
const char* value = *env + namelen+1;
size_t valuelen = strlen(value);
// require ordering of keys:
// interface=
// reason=
// all others...
if(var->var!=reason && var->var!=interface && !bound) {
// ignore others if !BOUND
} else if(valuelen >= var->varsize) {
printf(" Not enough space for value string. Expand buffer and recompile.\n");
} else {
memcpy(var->var, value, valuelen);
var->var[valuelen] = '\0';
printf(" '%s' = '%s'\n", var->name, var->var);
if(var->var==reason && strcmp(reason, "BOUND")==0) {
printf(" is BOUND\n");
bound = 1;
}
}
break;
}
}
if(bound) {
sethostname (new_host_name, strlen (new_host_name));
epicsEventSignal(dhcpDone);
printf("dhcpd BOUND\n");
}
}
static rtems_dhcpcd_hook dhcpcd_hook = {
.name = "ioc boot",
.handler = dhcpcd_hook_handler
};
static void
default_network_on_exit(int exit_code, void *arg)
{
rtems_printer printer;
(void)arg;
rtems_print_printer_printf(&printer);
rtems_stack_checker_report_usage_with_plugin(&printer);
}
static void
default_network_set_self_prio(rtems_task_priority prio)
{
rtems_status_code sc;
sc = rtems_task_set_priority(RTEMS_SELF, prio, &prio);
assert(sc == RTEMS_SUCCESSFUL);
}
static void
default_network_dhcpcd(void)
{
static const char default_cfg[] = "clientid test client\n";
rtems_status_code sc;
int fd;
int rv;
ssize_t n;
struct stat statbuf;
if (ENOENT == stat("/etc/dhcpcd.conf", &statbuf)) {
fd = open("/etc/dhcpcd.conf", O_CREAT | O_WRONLY,
S_IRWXU | S_IRWXG | S_IRWXO);
assert(fd >= 0);
n = write(fd, default_cfg, sizeof(default_cfg) - 1);
assert(n == (ssize_t) sizeof(default_cfg) - 1);
static const char fhi_cfg[] =
"nodhcp6\n"
"ipv4only\n"
"option ntp-servers\n"
"option rtems_cmdline\n"
"option tftp-server-name\n"
"option bootfile-name\n"
"define 129 string rtems_cmdline\n"
"timeout 0";
n = write(fd, fhi_cfg, sizeof(fhi_cfg) - 1);
assert(n == (ssize_t) sizeof(fhi_cfg) - 1);
rv = close(fd);
assert(rv == 0);
}
sc = rtems_dhcpcd_start(NULL);
assert(sc == RTEMS_SUCCESSFUL);
}
#endif // not RTEMS_LEGACY_STACK
#if __RTEMS_MAJOR__>4
/*
***********************************************************************
* TELNET DAEMON *
***********************************************************************
*/
#define LINE_SIZE 256
static void
telnet_pseudoIocsh(char *name, __attribute__((unused))void *arg)
{
char line[LINE_SIZE];
int fid[3], save_fid[3];
printf("info: pty dev name = %s\n", name);
save_fid[1] = dup2(1,1);
fid[1] = dup2( fileno(stdout), 1);
if (fid[1] == -1 ) printf("Can't dup stdout\n");
save_fid[2] = dup2(2,2);
fid[2] = dup2( fileno(stderr), 2);
if (fid[2] == -1 ) printf("Can't dup stderr\n");
const char *prompt = "tIocSh> ";
while (1) {
fputs(prompt, stdout);
fflush(stdout);
/* telnet close not detected ??? tbd */
if (fgets(line, LINE_SIZE, stdin) == NULL) {
dup2(save_fid[1],1);
dup2(save_fid[2],2);
return;
}
if (line[strlen(line)-1] == '\n') line[strlen(line)-1] = 0;
if (!strncmp( line, "bye",3)) {
printf( "%s", "Will end session\n");
dup2(save_fid[1],1);
dup2(save_fid[2],2);
return;
}
iocshCmd(line);
}
}
#define SHELL_ENTRY telnet_pseudoIocsh
/*
* Telnet daemon configuration
* 0 or NULL for most fields in this struct indicate default values to RTEMS.
*/
rtems_telnetd_config_table rtems_telnetd_config = {
.command = SHELL_ENTRY,
.arg = NULL,
.priority = 0,
.stack_size = 0,
.client_maximum = 0,
.login_check = NULL,
.keep_stdio = false
};
#endif
/*
* RTEMS Startup task
*/
void *
POSIX_Init ( void *argument __attribute__((unused)))
{
int result;
char *argv[3] = { NULL, NULL, NULL };
rtems_status_code sc;
struct timespec now;
char timeBuff[100];
initConsole ();
/*
* Use BSP-supplied time of day if available otherwise supply default time.
* It is very likely that other time synchronization facilities in EPICS
* will soon override this value.
*/
/* check for RTC ... unfortunately seems to be missing with libbsd and qemu ?
if (checkRealtime() >= 0) {
setRealTimeToRTEMS();
} else
*/
{
// set time to 14.4.2014
now.tv_sec = 1397460606;
now.tv_nsec = 0;
sc = clock_settime(CLOCK_REALTIME, &now);
if (sc < 0)
printf ("***** Can't set time: %s\n", rtems_status_text (sc));
}
sc = clock_gettime( CLOCK_REALTIME, &now);
if ( sc < 0) {
printf ("***** Can't get time: %s\n", rtems_status_text (sc));
} else {
strftime(timeBuff, sizeof timeBuff, "%D %T", gmtime(&now.tv_sec));
printf("time set to : %s.%09ld UTC\n", timeBuff, now.tv_nsec);
}
/*
* Explain why we're here
*/
logReset();
/* TBD ...
* Architecture-specific hooks
*/
#ifdef RTEMS_LEGACY_STACK
if (epicsRtemsInitPreSetBootConfigFromNVRAM(&rtems_bsdnet_config) != 0)
delayedPanic("epicsRtemsInitPreSetBootConfigFromNVRAM");
if (rtems_bsdnet_config.bootp == NULL) {
extern void setBootConfigFromNVRAM(void);
setBootConfigFromNVRAM();
}
if (epicsRtemsInitPostSetBootConfigFromNVRAM(&rtems_bsdnet_config) != 0)
delayedPanic("epicsRtemsInitPostSetBootConfigFromNVRAM");
#endif
/*
* Override RTEMS Posix configuration, it gets started with posix prio 2
*/
epicsThreadSetPriority(epicsThreadGetIdSelf(), epicsThreadPriorityIocsh);
/*
* Create a reasonable environment
*/
putenv ("TERM=xterm");
putenv ("IOCSH_HISTSIZE=20");
/*
* Display some OS information
*/
printf("\n***** RTEMS Version: %s *****\n",
rtems_get_version_string());
#ifndef RTEMS_LEGACY_STACK
#if defined(QEMU_FIXUPS) && defined(__i386__)
// glorious hack to stub out useless EEPROM check
// which takes sooooo longggg w/ QEMU
// Writes a 'ret' instruction to immediately return to the caller
extern void _bsd_e1000_validate_nvm_checksum(void);
*(char*)&_bsd_e1000_validate_nvm_checksum = 0xc3;
#endif
/*
* Start network (libbsd)
*
* start qemu like this
* qemu-system-i386 -m 64 -no-reboot -serial stdio -display none \
* -net nic,model=e1000 -net user,restrict=yes \
* -append "--video=off --console=/dev/com1" -kernel libComTestHarness
*/
printf("\n***** Initializing network (libbsd, dhcpcd) *****\n");
rtems_bsd_setlogpriority("debug");
on_exit(default_network_on_exit, NULL);
/* Let other tasks run to complete background work */
default_network_set_self_prio(RTEMS_MAXIMUM_PRIORITY - 1U);
sc = rtems_bsd_initialize();
assert(sc == RTEMS_SUCCESSFUL);
/* Let the callout timer allocate its resources */
sc = rtems_task_wake_after(2);
assert(sc == RTEMS_SUCCESSFUL);
printf("\n***** ifconfig lo0 *****\n");
rtems_bsd_ifconfig_lo0();
printf("\n***** add dhcpcd hook *****\n");
dhcpDone = epicsEventMustCreate(epicsEventEmpty);
rtems_dhcpcd_add_hook(&dhcpcd_hook);
printf("\n***** Start default network dhcpcd *****\n");
// if MY_BOOTP???
default_network_dhcpcd();
/* this seems to be hard coded in the BSP -> Sebastian Huber ? */
printf("\n--Info (hpj)-- bsd task prio IRQS: %d -----\n", rtems_bsd_get_task_priority("IRQS"));
printf("\n--Info (hpj)-- bsd task prio TIME: %d -----\n", rtems_bsd_get_task_priority("TIME"));
// wait for dhcp done ... should be if SYNCDHCP is used
epicsEventWaitStatus stat;
printf("\n ---- Waiting for DHCP ...\n");
stat = epicsEventWaitWithTimeout(dhcpDone, 600);
if (stat == epicsEventOK)
epicsEventDestroy(dhcpDone);
else if (stat == epicsEventWaitTimeout)
printf("\n ---- DHCP timed out!\n");
else
printf("\n ---- dhcpDone Event Unknown state %d\n", stat);
const char* ifconfg_args[] = {
"ifconfig", NULL
};
const char* netstat_args[] = {
"netstat", "-rn", NULL
};
printf("-------------- IFCONFIG -----------------\n");
rtems_bsd_command_ifconfig(1, (char**) ifconfg_args);
printf("-------------- NETSTAT ------------------\n");
rtems_bsd_command_netstat(2, (char**) netstat_args);
/* until now there is no NTP support in libbsd -> Sebastian Huber ... */
printf("\n***** Until now no NTP support in RTEMS 5 with rtems-libbsd *****\n");
printf("\n***** Ask ntp server once... *****\n");
if (rtemsInit_NTP_server_ip[0]=='\0') {
printf ("***** No NTP server ...\n");
} else if (epicsNtpGetTime(rtemsInit_NTP_server_ip, &now) < 0) {
printf ("***** Can't get time from ntp ...\n");
} else {
if (clock_settime(CLOCK_REALTIME, &now) < 0){
printf ("***** Can't set time: %s\n", rtems_status_text (sc));
} else {
strftime(timeBuff, sizeof timeBuff, "%D %T", gmtime(&now.tv_sec));
printf("time from ntp : %s.%09ld UTC\n", timeBuff, now.tv_nsec);
}
}
#else // Legacy stack, old network initialization
char *cp;
if ((cp = getenv("EPICS_TS_NTP_INET")) != NULL)
rtems_bsdnet_config.ntp_server[0] = cp;
int rtems_bsdnet_ntpserver_count = 1;
struct in_addr rtems_bsdnet_ntpserver[rtems_bsdnet_ntpserver_count];
memcpy(rtems_bsdnet_ntpserver, rtems_bsdnet_config.ntp_server, sizeof(struct in_addr));
if (rtems_bsdnet_config.network_task_priority == 0)
{
unsigned int p;
if (epicsThreadHighestPriorityLevelBelow(epicsThreadPriorityScanLow, &p)
== epicsThreadBooleanStatusSuccess)
{
rtems_bsdnet_config.network_task_priority = p;
}
}
printf("\n***** Initializing network (Legacy Stack) *****\n");
rtems_bsdnet_initialize_network();
printf("\n***** Network Status *****\n");
rtems_netstat(3);
rtems_bsdnet_synchronize_ntp (0, 0);
#endif // not RTEMS_LEGACY_STACK
printf("\n***** Setting up file system *****\n");
initialize_remote_filesystem(argv, initialize_local_filesystem(argv));
fixup_hosts();
/*
* More environment: iocsh prompt and hostname
*/
{
char hostname[1024];
gethostname(hostname, 1023);
char *cp = mustMalloc(strlen(hostname)+3, "iocsh prompt");
sprintf(cp, "%s> ", hostname);
epicsEnvSet ("IOCSH_PS1", cp);
epicsEnvSet("IOC_NAME", hostname);
}
if (getenv("") == NULL) {
const char *tzp = envGetConfigParamPtr(&EPICS_TZ);
if (tzp == NULL) {
printf("Warning -- no timezone information available -- times will be displayed as GMT.\n");
}
}
tzset();
printf(" check for time registered , C++ initialization ...\n");
//osdTimeRegister();
/*/Volumes/Epics/myExample/bin/RTEMS-xilinx_zynq_a9_qemu
* Run the EPICS startup script
*/
#if __RTEMS_MAJOR__>4
// if telnetd is requested ...
// printf(" Will try to start telnetd with prio %d ...\n", rtems_telnetd_config.priority);
// result = rtems_telnetd_initialize();
// printf (" telnetd initialized with result %d\n", result);
#endif
printf ("***** Preparing EPICS application *****\n");
iocshRegisterRTEMS ();
set_directory (argv[1]);
epicsEnvSet ("IOC_STARTUP_SCRIPT", argv[1]);
atexit(exitHandler);
errlogFlush();
printf ("***** Starting EPICS application *****\n");
#ifndef RTEMS_LEGACY_STACK
// switch OS to async logging
rtems_bsd_set_vprintf_handler(bsd_log_to_erl);
#endif
#if 0
// Start an rtems shell before main, for debugging RTEMS system issues
rtems_shell_init("SHLL", RTEMS_MINIMUM_STACK_SIZE * 4,
100, "/dev/console",
false, true,
NULL);
#endif
result = main ((sizeof argv / sizeof argv[0]) - 1, argv);
printf ("***** IOC application terminating *****\n");
epicsThreadSleep(1.0);
epicsExit(result);
#if defined(__rtems__)
delayedPanic("will reset rtems ... end of POSIX_Init");
#endif
exit(0);
}
#if defined(QEMU_FIXUPS)
/* Override some hooks (weak symbols)
* if BSP defaults aren't configured for running tests.
*/
/* Ensure that stdio goes to serial (so it can be captured) */
#if defined(__i386__) && !USE_COM1_AS_CONSOLE
#include <uart.h>
#if __RTEMS_MAJOR__ > 4
#include <libchip/serial.h>
#endif
extern int BSPPrintkPort;
void bsp_predriver_hook(void)
{
#if __RTEMS_MAJOR__ > 4
Console_Port_Minor = BSP_CONSOLE_PORT_COM1;
#else
BSPConsolePort = BSP_CONSOLE_PORT_COM1;
#endif
BSPPrintkPort = BSP_CONSOLE_PORT_COM1;
}
#endif
/* reboot immediately when done. */
#if defined(__i386__) && BSP_PRESS_KEY_FOR_RESET
void bsp_cleanup(void)
{
void bsp_reset();
bsp_reset();
}
#endif
#endif /* QEMU_FIXUPS */
int cexpdebug __attribute__((weak));
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