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David Kuehling <dvdkhlng@gmx.de> - added jim-eventloop.c 

git-svn-id: svn://svn.berlios.de/openocd/trunk@898 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe 2008-08-07 16:37:20 +00:00
parent 2cec23fc37
commit c76b0618d7
12 changed files with 728 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/helper/Makefile.am
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@ -10,7 +10,7 @@ CONFIGFILES = options.c jim.c
endif endif
libhelper_a_SOURCES = binarybuffer.c $(CONFIGFILES) configuration.c log.c command.c time_support.c \ libhelper_a_SOURCES = binarybuffer.c $(CONFIGFILES) configuration.c log.c command.c time_support.c \
replacements.c fileio.c startup_tcl.c replacements.c fileio.c jim-eventloop.c startup_tcl.c
noinst_HEADERS = binarybuffer.h configuration.h types.h log.h command.h \ noinst_HEADERS = binarybuffer.h configuration.h types.h log.h command.h \
time_support.h replacements.h fileio.h jim.h time_support.h replacements.h fileio.h jim.h

15
src/helper/command.c
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@ -34,6 +34,7 @@
#include "log.h" #include "log.h"
#include "time_support.h" #include "time_support.h"
#include "jim-eventloop.h"
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
@ -654,6 +655,8 @@ command_context_t* command_init()
add_default_dirs(); add_default_dirs();
Jim_EventLoopOnLoad(interp);
if (Jim_Eval(interp, startup_tcl)==JIM_ERR) if (Jim_Eval(interp, startup_tcl)==JIM_ERR)
{ {
LOG_ERROR("Failed to run startup.tcl (embedded into OpenOCD compile time)"); LOG_ERROR("Failed to run startup.tcl (embedded into OpenOCD compile time)");
@ -705,6 +708,18 @@ int handle_fast_command(struct command_context_s *cmd_ctx, char *cmd, char **arg
return ERROR_OK; return ERROR_OK;
} }
void process_jim_events()
{
static int recursion = 0;
if (!recursion)
{
recursion++;
Jim_ProcessEvents (interp, JIM_ALL_EVENTS|JIM_DONT_WAIT);
recursion--;
}
}
void register_jim(struct command_context_s *cmd_ctx, const char *name, int (*cmd)(Jim_Interp *interp, int argc, Jim_Obj *const *argv), const char *help) void register_jim(struct command_context_s *cmd_ctx, const char *name, int (*cmd)(Jim_Interp *interp, int argc, Jim_Obj *const *argv), const char *help)
{ {
Jim_CreateCommand(interp, name, cmd, NULL, NULL); Jim_CreateCommand(interp, name, cmd, NULL, NULL);

2
src/helper/command.h
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@ -79,6 +79,8 @@ extern int command_run_line(command_context_t *context, char *line);
extern int command_run_linef(command_context_t *context, char *format, ...); extern int command_run_linef(command_context_t *context, char *format, ...);
extern void command_output_text(command_context_t *context, const char *data); extern void command_output_text(command_context_t *context, const char *data);
extern void process_jim_events();
#define ERROR_COMMAND_CLOSE_CONNECTION (-600) #define ERROR_COMMAND_CLOSE_CONNECTION (-600)
#define ERROR_COMMAND_SYNTAX_ERROR (-601) #define ERROR_COMMAND_SYNTAX_ERROR (-601)
#define ERROR_COMMAND_NOTFOUND (-602) #define ERROR_COMMAND_NOTFOUND (-602)

545
src/helper/jim-eventloop.c Normal file
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@ -0,0 +1,545 @@
/* Jim - A small embeddable Tcl interpreter
*
* Copyright 2005 Salvatore Sanfilippo <antirez@invece.org>
* Copyright 2005 Clemens Hintze <c.hintze@gmx.net>
* Copyright 2005 patthoyts - Pat Thoyts <patthoyts@users.sf.net>
* Copyright 2008 oharboe - Øyvind Harboe - oyvind.harboe@zylin.com
* Copyright 2008 Andrew Lunn <andrew@lunn.ch>
* Copyright 2008 Duane Ellis <openocd@duaneellis.com>
* Copyright 2008 Uwe Klein <uklein@klein-messgeraete.de>
*
* The FreeBSD license
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation
* are those of the authors and should not be interpreted as representing
* official policies, either expressed or implied, of the Jim Tcl Project.
**/
/* TODO:
*
* - to really use flags in Jim_ProcessEvents()
* - more complete [after] command with [after info] and other subcommands.
* - Win32 port
*/
#define JIM_EXTENSION
#define __JIM_EVENTLOOP_CORE__
#ifdef __ECOS
#include <pkgconf/jimtcl.h>
#endif
#ifdef __ECOS
#include <cyg/jimtcl/jim.h>
#include <cyg/jimtcl/jim-eventloop.h>
#else
#include "jim.h"
#include "jim-eventloop.h"
#endif
/* POSIX includes */
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/select.h>
#include <errno.h>
extern int errno;
/* --- */
/* File event structure */
typedef struct Jim_FileEvent {
void *handle;
int mask; /* one of JIM_EVENT_(READABLE|WRITABLE|EXCEPTION) */
Jim_FileProc *fileProc;
Jim_EventFinalizerProc *finalizerProc;
void *clientData;
struct Jim_FileEvent *next;
} Jim_FileEvent;
/* Time event structure */
typedef struct Jim_TimeEvent {
jim_wide id; /* time event identifier. */
int mode; /* restart, repetitive .. UK */
long initialms; /* initial relativ timer value UK */
long when_sec; /* seconds */
long when_ms; /* milliseconds */
Jim_TimeProc *timeProc;
Jim_EventFinalizerProc *finalizerProc;
void *clientData;
struct Jim_TimeEvent *next;
} Jim_TimeEvent;
/* Per-interp stucture containing the state of the event loop */
typedef struct Jim_EventLoop {
jim_wide timeEventNextId;
Jim_FileEvent *fileEventHead;
Jim_TimeEvent *timeEventHead;
} Jim_EventLoop;
void Jim_CreateFileHandler(Jim_Interp *interp, void *handle, int mask,
Jim_FileProc *proc, void *clientData,
Jim_EventFinalizerProc *finalizerProc)
{
Jim_FileEvent *fe;
Jim_EventLoop *eventLoop = Jim_GetAssocData(interp, "eventloop");
// fprintf(stderr,"rein\n");
fe = Jim_Alloc(sizeof(*fe));
fe->handle = handle;
fe->mask = mask;
fe->fileProc = proc;
fe->finalizerProc = finalizerProc;
fe->clientData = clientData;
fe->next = eventLoop->fileEventHead;
eventLoop->fileEventHead = fe;
// fprintf(stderr,"raus\n");
}
void Jim_DeleteFileHandler(Jim_Interp *interp, void *handle)
{
Jim_FileEvent *fe, *prev = NULL;
Jim_EventLoop *eventLoop = Jim_GetAssocData(interp, "eventloop");
fe = eventLoop->fileEventHead;
while(fe) {
if (fe->handle == handle) {
if (prev == NULL)
eventLoop->fileEventHead = fe->next;
else
prev->next = fe->next;
if (fe->finalizerProc)
fe->finalizerProc(interp, fe->clientData);
Jim_Free(fe);
return;
}
prev = fe;
fe = fe->next;
}
}
// The same for signals.
void Jim_CreateSignalHandler(Jim_Interp *interp, int signum,
Jim_FileProc *proc, void *clientData,
Jim_EventFinalizerProc *finalizerProc)
{
}
void Jim_DeleteSignalHandler(Jim_Interp *interp, int signum)
{
}
/* That's another part of this extension that needs to be ported
* to WIN32. */
static void JimGetTime(long *seconds, long *milliseconds)
{
struct timeval tv;
gettimeofday(&tv, NULL);
*seconds = tv.tv_sec;
*milliseconds = tv.tv_usec/1000;
}
jim_wide Jim_CreateTimeHandler(Jim_Interp *interp, jim_wide milliseconds,
Jim_TimeProc *proc, void *clientData,
Jim_EventFinalizerProc *finalizerProc)
{
Jim_EventLoop *eventLoop = Jim_GetAssocData(interp, "eventloop");
jim_wide id = eventLoop->timeEventNextId++;
Jim_TimeEvent *te;
long cur_sec, cur_ms;
JimGetTime(&cur_sec, &cur_ms);
te = Jim_Alloc(sizeof(*te));
te->id = id;
te->mode = 0;
te->initialms = milliseconds;
te->when_sec = cur_sec + milliseconds/1000;
te->when_ms = cur_ms + milliseconds%1000;
if (te->when_ms >= 1000) {
te->when_sec ++;
te->when_ms -= 1000;
}
te->timeProc = proc;
te->finalizerProc = finalizerProc;
te->clientData = clientData;
te->next = eventLoop->timeEventHead;
eventLoop->timeEventHead = te;
return id;
}
jim_wide Jim_DeleteTimeHandler(Jim_Interp *interp, jim_wide id)
{
Jim_TimeEvent *te, *prev = NULL;
Jim_EventLoop *eventLoop = Jim_GetAssocData(interp, "eventloop");
long cur_sec, cur_ms;
jim_wide remain ;
JimGetTime(&cur_sec, &cur_ms);
te = eventLoop->timeEventHead;
if (id >= eventLoop->timeEventNextId)
return -2; /* wrong event ID */
while(te) {
if (te->id == id) {
remain = (te->when_sec - cur_sec) * 1000;
remain += (te->when_ms - cur_ms) ;
remain = (remain < 0) ? 0 : remain ;
if (prev == NULL)
eventLoop->timeEventHead = te->next;
else
prev->next = te->next;
if (te->finalizerProc)
te->finalizerProc(interp, te->clientData);
Jim_Free(te);
return remain;
}
prev = te;
te = te->next;
}
return -1; /* NO event with the specified ID found */
}
/* Search the first timer to fire.
* This operation is useful to know how many time the select can be
* put in sleep without to delay any event.
* If there are no timers NULL is returned. */
static Jim_TimeEvent *JimSearchNearestTimer(Jim_EventLoop *eventLoop)
{
Jim_TimeEvent *te = eventLoop->timeEventHead;
Jim_TimeEvent *nearest = NULL;
while(te) {
if (!nearest || te->when_sec < nearest->when_sec ||
(te->when_sec == nearest->when_sec &&
te->when_ms < nearest->when_ms))
nearest = te;
te = te->next;
}
return nearest;
}
/* Process every pending time event, then every pending file event
* (that may be registered by time event callbacks just processed).
* Without special flags the function sleeps until some file event
* fires, or when the next time event occurrs (if any).
*
* If flags is 0, the function does nothing and returns.
* if flags has JIM_ALL_EVENTS set, all the kind of events are processed.
* if flags has JIM_FILE_EVENTS set, file events are processed.
* if flags has JIM_TIME_EVENTS set, time events are processed.
* if flags has JIM_DONT_WAIT set the function returns ASAP until all
* the events that's possible to process without to wait are processed.
*
* The function returns the number of events processed. */
int Jim_ProcessEvents(Jim_Interp *interp, int flags)
{
int maxfd = 0, numfd = 0, processed = 0;
fd_set rfds, wfds, efds;
Jim_EventLoop *eventLoop = Jim_GetAssocData(interp, "eventloop");
Jim_FileEvent *fe = eventLoop->fileEventHead;
Jim_TimeEvent *te;
jim_wide maxId;
JIM_NOTUSED(flags);
FD_ZERO(&rfds);
FD_ZERO(&wfds);
FD_ZERO(&efds);
/* Check file events */
while (fe != NULL) {
int fd = fileno(fe->handle);
if (fe->mask & JIM_EVENT_READABLE)
FD_SET(fd, &rfds);
if (fe->mask & JIM_EVENT_WRITABLE) FD_SET(fd, &wfds);
if (fe->mask & JIM_EVENT_EXCEPTION) FD_SET(fd, &efds);
if (maxfd < fd) maxfd = fd;
numfd++;
fe = fe->next;
}
/* Note that we want call select() even if there are no
* file events to process as long as we want to process time
* events, in order to sleep until the next time event is ready
* to fire. */
if (numfd || ((flags & JIM_TIME_EVENTS) && !(flags & JIM_DONT_WAIT))) {
int retval;
Jim_TimeEvent *shortest;
struct timeval tv, *tvp;
jim_wide dt;
shortest = JimSearchNearestTimer(eventLoop);
if (shortest) {
long now_sec, now_ms;
/* Calculate the time missing for the nearest
* timer to fire. */
JimGetTime(&now_sec, &now_ms);
tvp = &tv;
dt = 1000 * (shortest->when_sec - now_sec);
dt += ( shortest->when_ms - now_ms);
if (dt < 0) {
dt = 1;
}
tvp->tv_sec = dt / 1000;
tvp->tv_usec = dt % 1000;
// fprintf(stderr,"Next %d.% 8d\n",(int)tvp->tv_sec,(int)tvp->tv_usec);
} else {
tvp = NULL; /* wait forever */
// fprintf(stderr,"No Event\n");
}
retval = select(maxfd+1, &rfds, &wfds, &efds, tvp);
if (retval < 0) {
switch (errno) {
case EINTR: fprintf(stderr,"select EINTR\n"); break;
case EINVAL: fprintf(stderr,"select EINVAL\n"); break;
case ENOMEM: fprintf(stderr,"select ENOMEM\n"); break;
}
} else if (retval > 0) {
fe = eventLoop->fileEventHead;
while(fe != NULL) {
int fd = fileno(fe->handle);
// fprintf(stderr,"fd: %d mask: %02x \n",fd,fe->mask);
if ((fe->mask & JIM_EVENT_READABLE && FD_ISSET(fd, &rfds)) ||
(fe->mask & JIM_EVENT_WRITABLE && FD_ISSET(fd, &wfds)) ||
(fe->mask & JIM_EVENT_EXCEPTION && FD_ISSET(fd, &efds)))
{
int mask = 0;
if (fe->mask & JIM_EVENT_READABLE && FD_ISSET(fd, &rfds)) {
mask |= JIM_EVENT_READABLE;
if ((fe->mask & JIM_EVENT_FEOF) && feof((FILE *)fe->handle))
mask |= JIM_EVENT_FEOF;
}
if (fe->mask & JIM_EVENT_WRITABLE && FD_ISSET(fd, &wfds))
mask |= JIM_EVENT_WRITABLE;
if (fe->mask & JIM_EVENT_EXCEPTION && FD_ISSET(fd, &efds))
mask |= JIM_EVENT_EXCEPTION;
if (fe->fileProc(interp, fe->clientData, mask) == JIM_ERR) {
/* Remove the element on handler error */
Jim_DeleteFileHandler(interp, fe->handle);
}
processed++;
/* After an event is processed our file event list
* may no longer be the same, so what we do
* is to clear the bit for this file descriptor and
* restart again from the head. */
fe = eventLoop->fileEventHead;
FD_CLR(fd, &rfds);
FD_CLR(fd, &wfds);
FD_CLR(fd, &efds);
} else {
fe = fe->next;
}
}
}
}
/* Check time events */
te = eventLoop->timeEventHead;
maxId = eventLoop->timeEventNextId-1;
while(te) {
long now_sec, now_ms;
jim_wide id;
if (te->id > maxId) {
te = te->next;
continue;
}
JimGetTime(&now_sec, &now_ms);
if (now_sec > te->when_sec ||
(now_sec == te->when_sec && now_ms >= te->when_ms))
{
id = te->id;
te->timeProc(interp, te->clientData);
/* After an event is processed our time event list may
* no longer be the same, so we restart from head.
* Still we make sure to don't process events registered
* by event handlers itself in order to don't loop forever
* even in case an [after 0] that continuously register
* itself. To do so we saved the max ID we want to handle. */
Jim_DeleteTimeHandler(interp, id);
te = eventLoop->timeEventHead;
} else {
te = te->next;
}
}
return processed;
}
/* ---------------------------------------------------------------------- */
void JimELAssocDataDeleProc(Jim_Interp *interp, void *data)
{
void *next;
Jim_FileEvent *fe;
Jim_TimeEvent *te;
Jim_EventLoop *eventLoop = data;
fe = eventLoop->fileEventHead;
while(fe) {
next = fe->next;
if (fe->finalizerProc)
fe->finalizerProc(interp, fe->clientData);
Jim_Free(fe);
fe = next;
}
te = eventLoop->timeEventHead;
while(te) {
next = te->next;
if (te->finalizerProc)
te->finalizerProc(interp, te->clientData);
Jim_Free(te);
te = next;
}
Jim_Free(data);
}
static int JimELVwaitCommand(Jim_Interp *interp, int argc,
Jim_Obj *const *argv)
{
Jim_Obj *oldValue;
if (argc != 2) {
Jim_WrongNumArgs(interp, 1, argv, "name");
return JIM_ERR;
}
oldValue = Jim_GetGlobalVariable(interp, argv[1], JIM_NONE);
if (oldValue) Jim_IncrRefCount(oldValue);
while (1) {
Jim_Obj *currValue;
Jim_ProcessEvents(interp, JIM_ALL_EVENTS);
currValue = Jim_GetGlobalVariable(interp, argv[1], JIM_NONE);
/* Stop the loop if the vwait-ed variable changed value,
* or if was unset and now is set (or the contrary). */
if ((oldValue && !currValue) ||
(!oldValue && currValue) ||
(oldValue && currValue &&
!Jim_StringEqObj(oldValue, currValue, JIM_CASESENS)))
break;
}
if (oldValue) Jim_DecrRefCount(interp, oldValue);
return JIM_OK;
}
void JimAfterTimeHandler(Jim_Interp *interp, void *clientData)
{
Jim_Obj *objPtr = clientData;
Jim_EvalObjBackground(interp, objPtr);
}
void JimAfterTimeEventFinalizer(Jim_Interp *interp, void *clientData)
{
Jim_Obj *objPtr = clientData;
Jim_DecrRefCount(interp, objPtr);
}
static int JimELAfterCommand(Jim_Interp *interp, int argc,
Jim_Obj *const *argv)
{
jim_wide ms, id;
Jim_Obj *objPtr, *idObjPtr;
const char *options[] = {
"info", "cancel", "restart", "expire", NULL
};
enum {INFO, CANCEL, RESTART, EXPIRE, CREATE };
int option = CREATE ;
if (argc < 3) {
Jim_WrongNumArgs(interp, 1, argv, "<after milliseconds> script");
return JIM_ERR;
}
if (Jim_GetWide(interp, argv[1], &ms) != JIM_OK)
if (Jim_GetEnum(interp, argv[1], options, &option, "after options",
JIM_ERRMSG) != JIM_OK)
return JIM_ERR;
switch (option) {
case CREATE:
Jim_IncrRefCount(argv[2]);
id = Jim_CreateTimeHandler(interp, ms, JimAfterTimeHandler, argv[2],
JimAfterTimeEventFinalizer);
objPtr = Jim_NewStringObj(interp, NULL, 0);
Jim_AppendString(interp, objPtr, "after#", -1);
idObjPtr = Jim_NewIntObj(interp, id);
Jim_IncrRefCount(idObjPtr);
Jim_AppendObj(interp, objPtr, idObjPtr);
Jim_DecrRefCount(interp, idObjPtr);
Jim_SetResult(interp, objPtr);
return JIM_OK;
case CANCEL:
{
int tlen ;
jim_wide remain = 0;
const char *tok = Jim_GetString(argv[2], &tlen);
if ( sscanf(tok,"after#%lld",&id) == 1) {
remain = Jim_DeleteTimeHandler(interp, id);
if (remain > -2) {
Jim_SetResult(interp, Jim_NewIntObj(interp, remain));
return JIM_OK;
}
}
Jim_SetResultString(interp, "invalid event" , -1);
return JIM_ERR;
}
default:
fprintf(stderr,"unserviced option to after %d\n",option);
}
return JIM_OK;
}
/* This extension is not dynamically loaded, instead it's linked statically,
which is why we shouldn't use the unspecific 'Jim_OnLoad' name */
#define Jim_OnLoad Jim_EventLoopOnLoad
int Jim_OnLoad(Jim_Interp *interp)
{
Jim_EventLoop *eventLoop;
Jim_InitExtension(interp);
if (Jim_PackageProvide(interp, "eventloop", "1.0", JIM_ERRMSG) != JIM_OK)
return JIM_ERR;
eventLoop = Jim_Alloc(sizeof(*eventLoop));
eventLoop->fileEventHead = NULL;
eventLoop->timeEventHead = NULL;
eventLoop->timeEventNextId = 1;
Jim_SetAssocData(interp, "eventloop", JimELAssocDataDeleProc, eventLoop);
Jim_CreateCommand(interp, "vwait", JimELVwaitCommand, NULL, NULL);
Jim_CreateCommand(interp, "after", JimELAfterCommand, NULL, NULL);
/* Export events API */
Jim_RegisterApi(interp, "Jim_CreateFileHandler", Jim_CreateFileHandler);
Jim_RegisterApi(interp, "Jim_DeleteFileHandler", Jim_DeleteFileHandler);
Jim_RegisterApi(interp, "Jim_CreateTimeHandler", Jim_CreateTimeHandler);
Jim_RegisterApi(interp, "Jim_DeleteTimeHandler", Jim_DeleteTimeHandler);
Jim_RegisterApi(interp, "Jim_ProcessEvents", Jim_ProcessEvents);
return JIM_OK;
}

110
src/helper/jim-eventloop.h Normal file
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@ -0,0 +1,110 @@
/* Jim - A small embeddable Tcl interpreter
*
* Copyright 2005 Salvatore Sanfilippo <antirez@invece.org>
* Copyright 2005 Clemens Hintze <c.hintze@gmx.net>
* Copyright 2005 patthoyts - Pat Thoyts <patthoyts@users.sf.net>
* Copyright 2008 oharboe - Øyvind Harboe - oyvind.harboe@zylin.com
* Copyright 2008 Andrew Lunn <andrew@lunn.ch>
* Copyright 2008 Duane Ellis <openocd@duaneellis.com>
* Copyright 2008 Uwe Klein <uklein@klein-messgeraete.de>
*
* The FreeBSD license
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation
* are those of the authors and should not be interpreted as representing
* official policies, either expressed or implied, of the Jim Tcl Project.
**/
/* ------ USAGE -------
*
* In order to use this file from other extensions include it in every
* file where you need to call the eventloop API, also in the init
* function of your extension call Jim_ImportEventloopAPI(interp)
* after the Jim_InitExtension() call.
*
* See the UDP extension as example.
*/
#ifndef __JIM_EVENTLOOP_H__
#define __JIM_EVENTLOOP_H__
typedef int Jim_FileProc(Jim_Interp *interp, void *clientData, int mask);
typedef int Jim_SignalProc(Jim_Interp *interp, void *clientData, void *msg);
typedef void Jim_TimeProc(Jim_Interp *interp, void *clientData);
typedef void Jim_EventFinalizerProc(Jim_Interp *interp, void *clientData);
/* File event structure */
#define JIM_EVENT_READABLE 1
#define JIM_EVENT_WRITABLE 2
#define JIM_EVENT_EXCEPTION 4
#define JIM_EVENT_FEOF 8
#define JIM_API(x) x
#define JIM_STATIC
/* --- POSIX version of Jim_ProcessEvents, for now the only available --- */
#define JIM_FILE_EVENTS 1
#define JIM_TIME_EVENTS 2
#define JIM_ALL_EVENTS (JIM_FILE_EVENTS|JIM_TIME_EVENTS)
#define JIM_DONT_WAIT 4
JIM_STATIC void JIM_API(Jim_CreateFileHandler) (Jim_Interp *interp,
void *handle, int mask,
Jim_FileProc *proc, void *clientData,
Jim_EventFinalizerProc *finalizerProc);
JIM_STATIC void JIM_API(Jim_DeleteFileHandler) (Jim_Interp *interp,
void *handle);
JIM_STATIC jim_wide JIM_API(Jim_CreateTimeHandler) (Jim_Interp *interp,
jim_wide milliseconds,
Jim_TimeProc *proc, void *clientData,
Jim_EventFinalizerProc *finalizerProc);
JIM_STATIC jim_wide JIM_API(Jim_DeleteTimeHandler) (Jim_Interp *interp, jim_wide id);
JIM_STATIC int JIM_API(Jim_ProcessEvents) (Jim_Interp *interp, int flags);
#undef JIM_STATIC
#undef JIM_API
#ifndef __JIM_EVENTLOOP_CORE__
#define JIM_GET_API(name) \
Jim_GetApi(interp, "Jim_" #name, ((void *)&Jim_ ## name))
#if defined(JIM_EXTENSION) || defined(JIM_EMBEDDED)
/* This must be included "inline" inside the extension */
static void Jim_ImportEventloopAPI(Jim_Interp *interp)
{
JIM_GET_API(CreateFileHandler);
JIM_GET_API(DeleteFileHandler);
JIM_GET_API(CreateTimeHandler);
JIM_GET_API(DeleteTimeHandler);
JIM_GET_API(ProcessEvents);
}
#endif /* defined JIM_EXTENSION || defined JIM_EMBEDDED */
#undef JIM_GET_API
#endif /* __JIM_EVENTLOOP_CORE__ */
#endif /* __JIM_EVENTLOOP_H__ */

1
src/helper/jim.h
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@ -50,6 +50,7 @@ extern "C" {
#include <limits.h> #include <limits.h>
#include <stdio.h> /* for the FILE typedef definition */ #include <stdio.h> /* for the FILE typedef definition */
#include <stdlib.h> /* In order to export the Jim_Free() macro */ #include <stdlib.h> /* In order to export the Jim_Free() macro */
#include <stdarg.h> /* In order to get type va_list */
/* ----------------------------------------------------------------------------- /* -----------------------------------------------------------------------------
* Some /very/ old compiler maybe do not know how to * Some /very/ old compiler maybe do not know how to

6
src/helper/log.c
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@ -27,6 +27,7 @@
#include "log.h" #include "log.h"
#include "configuration.h" #include "configuration.h"
#include "time_support.h" #include "time_support.h"
#include "command.h"
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@ -368,6 +369,11 @@ void keep_alive()
LOG_USER_N("%s", ""); LOG_USER_N("%s", "");
last_time=current_time; last_time=current_time;
} }
/* also process TCL events (we have to do this from 'log.c' since its
* keep_alive() is the only routine guaranteed to be called at least
* once per second :( */
process_jim_events ();
} }
/* reset keep alive timer without sending message */ /* reset keep alive timer without sending message */

4
src/server/server.c
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@ -346,6 +346,7 @@ int server_loop(command_context_t *command_context)
} }
target_call_timer_callbacks(); target_call_timer_callbacks();
process_jim_events ();
if (retval == 0) if (retval == 0)
{ {
@ -456,6 +457,7 @@ int server_init(void)
signal(SIGABRT, sig_handler); signal(SIGABRT, sig_handler);
#endif #endif
return ERROR_OK; return ERROR_OK;
} }
@ -486,3 +488,5 @@ int handle_shutdown_command(struct command_context_s *cmd_ctx, char *cmd, char *
return ERROR_COMMAND_CLOSE_CONNECTION; return ERROR_COMMAND_CLOSE_CONNECTION;
} }

2
src/target/Makefile.am
View File

@ -37,5 +37,5 @@ nobase_dist_pkglib_DATA = xscale/debug_handler.bin event/at91eb40a_reset.script
interface/signalyzer.cfg event/eir-sam7se512_reset.script target/eir-sam7se512.cfg \ interface/signalyzer.cfg event/eir-sam7se512_reset.script target/eir-sam7se512.cfg \
event/hammer_reset.script interface/flyswatter.cfg target/hammer.cfg target/mx31.cfg \ event/hammer_reset.script interface/flyswatter.cfg target/hammer.cfg target/mx31.cfg \
event/str730_program.script event/str750_program.script interface/olimex-jtag-tiny-a.cfg \ event/str730_program.script event/str750_program.script interface/olimex-jtag-tiny-a.cfg \
target/pic32mx.cfg target/pic32mx.cfg target/aduc702x.cfg interface/dummy.cfg interface/olimex-arm-usb-ocd.cfg

1
src/target/interface/dummy.cfg Normal file
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@ -0,0 +1 @@
interface dummy

4
src/target/interface/olimex-arm-usb-ocd.cfg Normal file
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@ -0,0 +1,4 @@
interface ft2232
ft2232_device_desc "Olimex OpenOCD JTAG"
ft2232_layout olimex-jtag
ft2232_vid_pid 0x15ba 0x0003

38
src/target/target/aduc702x.cfg Normal file
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@ -0,0 +1,38 @@
## -*- tcl -*-
##
# This is for the case that TRST/SRST is not wired on your JTAG adaptor.
# Don't really need them anyways.
reset_config none
## JTAG scan chain
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
jtag_device 4 0x1 0xf 0xe
##
## Target configuration
##
target arm7tdmi little 0
## software initiated reset (if your SRST isn't wired)
#proc target_0_reset {} { mwb 0x0ffff0230 04 }
# use top 1k of SRAM for as temporary JTAG memory
#working_area 0 0x11C00 0x400 backup
## flash configuration
## AdUC702x not yet spported :(
## If you use the watchdog, the following code makes sure that the board
## doesn't reboot when halted via JTAG. Yes, on the older generation
## AdUC702x, timer3 continues running even when the CPU is halted.
proc watchdog_service {} {
global watchdog_hdl
mww 0xffff036c 0
# puts "watchdog!!"
set watchdog_hdl [after 500 watchdog_service]
}
proc target_0_post_halt {} { watchdog_service }
proc arget_0_pre_resume {} { global watchdog_hdl; after cancel $watchdog_hdl }