Jim_Interp *interp;
command_context_t *active_cmd_ctx;
+static int
+new_int_array_element( Jim_Interp * interp,
+ const char *varname,
+ int idx,
+ u32 val )
+{
+ char *namebuf;
+ Jim_Obj *nameObjPtr, *valObjPtr;
+ int result;
+
+ namebuf = alloca( strlen(varname) + 30 );
+ sprintf( namebuf, "%s(%d)", varname, idx );
+
+
+ nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
+ valObjPtr = Jim_NewIntObj(interp, val );
+ Jim_IncrRefCount(nameObjPtr);
+ Jim_IncrRefCount(valObjPtr);
+ result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
+ Jim_DecrRefCount(interp, nameObjPtr);
+ Jim_DecrRefCount(interp, valObjPtr);
+ // printf( "%s = 0%08x\n", namebuf, val );
+ return result;
+}
+
+static int
+Jim_Command_mem2array( Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ target_t *target;
+ long l;
+ u32 width;
+ u32 endian;
+ u32 len;
+ u32 addr;
+ u32 count;
+ u32 v;
+ const char *varname;
+ u8 buffer[4096];
+ int i,n,e,retval;
+
+
+ /* argv[1] = name of array to receive the data
+ * argv[2] = desired width
+ * argv[3] = memory address
+ * argv[4] = length in bytes to read
+ */
+ if( argc != 5 ){
+ Jim_WrongNumArgs( interp, 1, argv, "varname width addr nelems" );
+ return JIM_ERR;
+ }
+ varname = Jim_GetString( argv[1], &len );
+ /* given "foo" get space for worse case "foo(%d)" .. add 20 */
+
+
+ e = Jim_GetLong( interp, argv[2], &l );
+ width = l;
+ if( e != JIM_OK ){
+ return e;
+ }
+
+ e = Jim_GetLong( interp, argv[3], &l );
+ addr = l;
+ if( e != JIM_OK ){
+ return e;
+ }
+ e = Jim_GetLong( interp, argv[4], &l );
+ len = l;
+ if( e != JIM_OK ){
+ return e;
+ }
+ switch(width){
+ case 8:
+ width = 1;
+ break;
+ case 16:
+ width = 2;
+ break;
+ case 32:
+ width = 4;
+ break;
+ default:
+ Jim_SetResult(interp,
+ Jim_NewEmptyStringObj(interp));
+ Jim_AppendStrings( interp, Jim_GetResult(interp),
+ "Invalid width param, must be 8/16/32", NULL );
+ return JIM_ERR;
+ }
+ if( len == 0 ){
+ Jim_SetResult(interp,
+ Jim_NewEmptyStringObj(interp));
+ Jim_AppendStrings( interp, Jim_GetResult(interp),
+ "mem2array: zero width read?", NULL );
+ return JIM_ERR;
+ }
+ if( (addr + (len * width)) < addr ){
+ Jim_SetResult(interp,
+ Jim_NewEmptyStringObj(interp));
+ Jim_AppendStrings( interp, Jim_GetResult(interp),
+ "mem2array: addr + len - wraps to zero?", NULL );
+ return JIM_ERR;
+ }
+ /* absurd transfer size? */
+ if( len > 65536 ){
+ Jim_SetResult(interp,
+ Jim_NewEmptyStringObj(interp));
+ Jim_AppendStrings( interp, Jim_GetResult(interp),
+ "mem2array: absurd > 64K item request", NULL );
+ return JIM_ERR;
+ }
+
+ if( (width == 1) ||
+ ((width == 2) && ((addr & 1) == 0)) ||
+ ((width == 4) && ((addr & 3) == 0)) ){
+ /* all is well */
+ } else {
+ char buf[100];
+ Jim_SetResult(interp,
+ Jim_NewEmptyStringObj(interp));
+ sprintf( buf,
+ "mem2array address: 0x%08x is not aligned for %d byte reads",
+ addr, width );
+
+ Jim_AppendStrings( interp, Jim_GetResult(interp),
+ buf , NULL );
+ return JIM_ERR;
+ }
+
+ target = get_current_target( active_cmd_ctx );
+
+ /* Transfer loop */
+
+ /* index counter */
+ n = 0;
+ /* assume ok */
+ e = JIM_OK;
+ while( len ){
+
+ /* Slurp... in buffer size chunks */
+
+ count = len; /* in objects.. */
+ if( count > (sizeof(buffer)/width)){
+ count = (sizeof(buffer)/width);
+ }
+
+ retval = target->type->read_memory( target,
+ addr,
+ width,
+ count,
+ buffer );
+
+ if( retval != ERROR_OK ){
+ /* BOO !*/
+ LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed",
+ addr, width, count );
+ Jim_SetResult(interp,
+ Jim_NewEmptyStringObj(interp));
+ Jim_AppendStrings( interp, Jim_GetResult(interp),
+ "mem2array: cannot read memory", NULL );
+ e = JIM_ERR;
+ len = 0;
+ } else {
+ v = 0; /* shut up gcc */
+ for( i = 0 ; i < count ; i++, n++ ){
+ switch(width){
+ case 4:
+ v = target_buffer_get_u32( target, &buffer[i*width] );
+ break;
+ case 2:
+ v = target_buffer_get_u16( target, &buffer[i*width] );
+ break;
+ case 1:
+ v = buffer[i] & 0x0ff;
+ break;
+ }
+ new_int_array_element( interp, varname, n, v );
+ }
+ len -= count;
+ }
+ }
+ Jim_SetResult(interp,
+ Jim_NewEmptyStringObj(interp));
+
+ return JIM_OK;
+}
+
static void tcl_output(void *privData, const char *file, int line,
const char *function, const char *string)
{
return JIM_OK;
}
+static size_t
+openocd_jim_fwrite( const void *_ptr, size_t size, size_t n, void *cookie )
+{
+ size_t nbytes;
+ const char *ptr;
+
+ /* make it a char easier to read code */
+ ptr = _ptr;
+
+ nbytes = size * n;
+ if( nbytes == 0 ){
+ return 0;
+ }
+
+ if( !active_cmd_ctx ){
+ /* FIXME: Where should this go? */
+ return n;
+ }
+
+
+ /* do we have to chunk it? */
+ if( ptr[ nbytes ] == 0 ){
+ /* no it is a C style string */
+ command_output_text( active_cmd_ctx, ptr );
+ return;
+ }
+ /* GRR we must chunk - not null terminated */
+ while( nbytes ){
+ char chunk[128+1];
+ int x;
+
+ x = nbytes;
+ if( x > 128 ){
+ x = 128;
+ }
+ /* copy it */
+ memcpy( chunk, ptr, x );
+ /* terminate it */
+ chunk[n] = 0;
+ /* output it */
+ command_output_text( active_cmd_ctx, chunk );
+ ptr += x;
+ nbytes -= x;
+ }
+
+ return n;
+}
+
+static size_t
+openocd_jim_fread(void *ptr, size_t size, size_t n, void *cookie )
+{
+ /* TCL wants to read... tell him no */
+ return 0;
+}
+
+
+static int
+openocd_jim_vfprintf( void *cookie, const char *fmt, va_list ap )
+{
+ char *cp;
+ int n;
+
+ n = -1;
+ if( active_cmd_ctx ){
+ cp = alloc_vprintf( fmt, ap );
+ if( cp ){
+ command_output_text( active_cmd_ctx, cp );
+ n = strlen(cp);
+ free(cp);
+ }
+ }
+ return n;
+}
+
+static int
+openocd_jim_fflush( void *cookie )
+{
+ /* nothing to flush */
+ return 0;
+}
+
+static char *
+openocd_jim_fgets( char *s, int size, void *cookie )
+{
+ /* not supported */
+ errno = ENOTSUP;
+ return NULL;
+}
+
+
+
void initJim(void)
{
Jim_InitEmbedded();
Jim_CreateCommand(interp, "openocd_throw", Jim_Command_openocd_throw, NULL, NULL);
Jim_CreateCommand(interp, "find", Jim_Command_find, NULL, NULL);
Jim_CreateCommand(interp, "echo", Jim_Command_echo, NULL, NULL);
+ Jim_CreateCommand(interp, "mem2array", Jim_Command_mem2array, NULL, NULL );
+
+ /* Set Jim's STDIO */
+ interp->cookie_stdin = NULL;
+ interp->cookie_stdout = NULL;
+ interp->cookie_stderr = NULL;
+ interp->cb_fwrite = openocd_jim_fwrite;
+ interp->cb_fread = openocd_jim_fread ;
+ interp->cb_vfprintf = openocd_jim_vfprintf;
+ interp->cb_fflush = openocd_jim_fflush;
+ interp->cb_fgets = openocd_jim_fgets;
}
int main(int argc, char *argv[])
return EXIT_SUCCESS;
}
+
+/*
+ * Local Variables: **
+ * tab-width: 4 **
+ * c-basic-offset: 4 **
+ * End: **
+ */
+
projects / openocd / blobdiff