]> git.sur5r.net Git - openocd/commitdiff
- reformat src/jtag/bitq.c (thanks to Pavel Chromy)
authordrath <drath@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Wed, 25 Jul 2007 10:06:57 +0000 (10:06 +0000)
committerdrath <drath@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Wed, 25 Jul 2007 10:06:57 +0000 (10:06 +0000)
- fix multiple reads from FT2232 into same buffer location (thanks to Magnus Lundin)
- retry JTAG chain validation (thanks to Magnus Lundin)
- reworked GDB packet input handling (thanks to Pavel Chromy)
- output error message when setting a watchpoint failed
- removed duplicate out-of-bounds check in at91sam7.c (thanks to Pavel Chromy)

git-svn-id: svn://svn.berlios.de/openocd/trunk@181 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/flash/at91sam7.c
src/jtag/bitq.c
src/jtag/ft2232.c
src/jtag/jtag.c
src/jtag/jtag.h
src/jtag/presto.c
src/openocd.c
src/server/gdb_server.c
src/target/target.c

index 7b9fb659955001fe303941c96d2925cb936caf3f..0d97c34cb5d8454a2891b04f6cf51a85c8ce76b0 100644 (file)
@@ -675,9 +675,6 @@ int at91sam7_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
                return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
        }
        
-       if (offset + count > bank->size)
-               return ERROR_FLASH_DST_OUT_OF_BANK;
-       
        if (at91sam7_info->cidr_arch == 0)
                return ERROR_FLASH_BANK_NOT_PROBED;
 
@@ -688,7 +685,7 @@ int at91sam7_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
        
        /* Configure the flash controller timing */     
        at91sam7_read_clock_info(bank); 
-       at91sam7_set_flash_mode(bank,FMR_TIMING_FLASH);
+       at91sam7_set_flash_mode(bank,FMR_TIMING_FLASH);
 
        for (pagen=first_page; pagen<last_page; pagen++) {
                if (bytes_remaining<dst_min_alignment) 
index 03f9645d2f60fa869548b733d2cd621bf369c4a4..05f4c925a45d1eacebf9b8693c6a0e3d7a845144 100644 (file)
@@ -55,326 +55,326 @@ void bitq_in_proc(void)
 {
        /* static information preserved between calls to increase performance */
        static u8 *in_buff; /* pointer to buffer for scanned data */
-  static int in_idx; /* index of byte being scanned */
-  static u8 in_mask; /* mask of next bit to be scanned */
-
-  scan_field_t *field;
-  int tdo;
-  
-  int result;
-
-  /* loop through the queue */
-  while (bitq_in_state.cmd) {
-    /* only JTAG_SCAN command may return data */
-    if (bitq_in_state.cmd->type==JTAG_SCAN) {
-      /* loop through the fields */
-      while (bitq_in_state.field_idx<bitq_in_state.cmd->cmd.scan->num_fields) {
-
-        field=&bitq_in_state.cmd->cmd.scan->fields[bitq_in_state.field_idx];
-        if (field->in_check_value || field->in_value || field->in_handler) {
-
-          if (bitq_in_state.bit_pos==0) {
-            /* initialize field scanning */
-            in_mask=0x01;
-            in_idx=0;
-            if (field->in_value) in_buff=field->in_value;
-            else {
-              /* buffer reallocation needed? */
-              if (field->num_bits>bitq_in_bufsize*8) {
-                /* buffer previously allocated? */
-                if (bitq_in_buffer!=NULL) {
-                  /* free it */
-                  free(bitq_in_buffer);
-                  bitq_in_buffer=NULL;
-                }
-                /* double the buffer size until it fits */
-                while (field->num_bits>bitq_in_bufsize*8) bitq_in_bufsize*=2;
-              }
-              /* if necessary, allocate buffer and check for malloc error */ 
-              if (bitq_in_buffer==NULL && (bitq_in_buffer=malloc(bitq_in_bufsize))==NULL) {
-                ERROR("malloc error");
-                exit(-1);                
-              }
-              in_buff=(void *)bitq_in_buffer;
-            }
-          }
-
-          /* field scanning */
-          while (bitq_in_state.bit_pos<field->num_bits) {
-            if ((tdo=bitq_interface->in())<0) {
+       static int in_idx; /* index of byte being scanned */
+       static u8 in_mask; /* mask of next bit to be scanned */
+
+       scan_field_t *field;
+       int tdo;
+       
+       int result;
+
+       /* loop through the queue */
+       while (bitq_in_state.cmd) {
+               /* only JTAG_SCAN command may return data */
+               if (bitq_in_state.cmd->type==JTAG_SCAN) {
+                       /* loop through the fields */
+                       while (bitq_in_state.field_idx<bitq_in_state.cmd->cmd.scan->num_fields) {
+
+                               field=&bitq_in_state.cmd->cmd.scan->fields[bitq_in_state.field_idx];
+                               if (field->in_check_value || field->in_value || field->in_handler) {
+
+                                       if (bitq_in_state.bit_pos==0) {
+                                               /* initialize field scanning */
+                                               in_mask=0x01;
+                                               in_idx=0;
+                                               if (field->in_value) in_buff=field->in_value;
+                                               else {
+                                                       /* buffer reallocation needed? */
+                                                       if (field->num_bits>bitq_in_bufsize*8) {
+                                                               /* buffer previously allocated? */
+                                                               if (bitq_in_buffer!=NULL) {
+                                                                       /* free it */
+                                                                       free(bitq_in_buffer);
+                                                                       bitq_in_buffer=NULL;
+                                                               }
+                                                               /* double the buffer size until it fits */
+                                                               while (field->num_bits>bitq_in_bufsize*8) bitq_in_bufsize*=2;
+                                                       }
+                                                       /* if necessary, allocate buffer and check for malloc error */ 
+                                                       if (bitq_in_buffer==NULL && (bitq_in_buffer=malloc(bitq_in_bufsize))==NULL) {
+                                                               ERROR("malloc error");
+                                                               exit(-1);                
+                                                       }
+                                                       in_buff=(void *)bitq_in_buffer;
+                                               }
+                                       }
+
+                                       /* field scanning */
+                                       while (bitq_in_state.bit_pos<field->num_bits) {
+                                               if ((tdo=bitq_interface->in())<0) {
 #ifdef _DEBUG_JTAG_IO_
-              DEBUG("bitq in EOF");
+                                                       DEBUG("bitq in EOF");
 #endif
-              return;
-            }
-            if (in_mask==0x01) in_buff[in_idx]=0;
-            if (tdo) in_buff[in_idx]|=in_mask;
-            if (in_mask==0x80) {
-              in_mask=0x01;
-              in_idx++;
-            }
-            else in_mask<<=1;
-            bitq_in_state.bit_pos++;
-          }
-          
-          if (field->in_check_value) {
-            /* match scanned in value */
-            for (in_idx=0; in_idx*8<field->num_bits; in_idx++) {
-              if (field->in_check_mask) in_mask=field->in_check_mask[in_idx];
-              else in_mask=0xff;
-              if (field->num_bits-in_idx*8<8) in_mask>>=8-(field->num_bits-in_idx*8);
-              if (field->in_check_value[in_idx]&in_mask!=in_buff[in_idx]&in_mask) {
-                                       char *captured_char = buf_to_str(in_buff, (field->num_bits > 64) ? 64 : field->num_bits, 16);
-                                       char *in_check_value_char = buf_to_str(field->in_check_value, (field->num_bits > 64) ? 64 : field->num_bits, 16);
-                                       char *in_check_mask_char = buf_to_str(field->in_check_mask, (field->num_bits > 64) ? 64 : field->num_bits, 16);
-                                       /* TODO: error reporting */
-                                       WARNING("value captured during scan didn't pass the requested check: captured: 0x%s check_value: 0x%s check_mask: 0x%s", captured_char, in_check_value_char, in_check_mask_char);
-                                       bitq_in_state.status=ERROR_JTAG_QUEUE_FAILED;
-                                       free(captured_char);
-                                       free(in_check_value_char);
-                                       free(in_check_mask_char);
-                break; /* leave the comparison loop upon first mismatch */                                             
-              }
-            }
-          }
-
-          if (field->in_handler && bitq_in_state.status==ERROR_OK) {
-            bitq_in_state.status=(*field->in_handler)(in_buff, field->in_handler_priv);
-          }
-
-        }
-        
-        bitq_in_state.field_idx++; /* advance to next field */
-        bitq_in_state.bit_pos=0; /* start next field from the first bit */
-      }
-
-    }
-    bitq_in_state.cmd=bitq_in_state.cmd->next; /* advance to next command */
-    bitq_in_state.field_idx=0; /* preselect first field */
-  }
+                                                       return;
+                                               }
+                                               if (in_mask==0x01) in_buff[in_idx]=0;
+                                               if (tdo) in_buff[in_idx]|=in_mask;
+                                               if (in_mask==0x80) {
+                                                       in_mask=0x01;
+                                                       in_idx++;
+                                               }
+                                               else in_mask<<=1;
+                                               bitq_in_state.bit_pos++;
+                                       }
+                                       
+                                       if (field->in_check_value) {
+                                               /* match scanned in value */
+                                               for (in_idx=0; in_idx*8<field->num_bits; in_idx++) {
+                                                       if (field->in_check_mask) in_mask=field->in_check_mask[in_idx];
+                                                       else in_mask=0xff;
+                                                       if (field->num_bits-in_idx*8<8) in_mask>>=8-(field->num_bits-in_idx*8);
+                                                       if (field->in_check_value[in_idx]&in_mask!=in_buff[in_idx]&in_mask) {
+                                                               char *captured_char = buf_to_str(in_buff, (field->num_bits > 64) ? 64 : field->num_bits, 16);
+                                                               char *in_check_value_char = buf_to_str(field->in_check_value, (field->num_bits > 64) ? 64 : field->num_bits, 16);
+                                                               char *in_check_mask_char = buf_to_str(field->in_check_mask, (field->num_bits > 64) ? 64 : field->num_bits, 16);
+                                                               /* TODO: error reporting */
+                                                               WARNING("value captured during scan didn't pass the requested check: captured: 0x%s check_value: 0x%s check_mask: 0x%s", captured_char, in_check_value_char, in_check_mask_char);
+                                                               bitq_in_state.status=ERROR_JTAG_QUEUE_FAILED;
+                                                               free(captured_char);
+                                                               free(in_check_value_char);
+                                                               free(in_check_mask_char);
+                                                               break; /* leave the comparison loop upon first mismatch */                                              
+                                                       }
+                                               }
+                                       }
+
+                                       if (field->in_handler && bitq_in_state.status==ERROR_OK) {
+                                               bitq_in_state.status=(*field->in_handler)(in_buff, field->in_handler_priv);
+                                       }
+
+                               }
+                               
+                               bitq_in_state.field_idx++; /* advance to next field */
+                               bitq_in_state.bit_pos=0; /* start next field from the first bit */
+                       }
+
+               }
+               bitq_in_state.cmd=bitq_in_state.cmd->next; /* advance to next command */
+               bitq_in_state.field_idx=0; /* preselect first field */
+       }
 }
 
 
 
 void bitq_io(int tms, int tdi, int tdo_req)
 {
-  bitq_interface->out(tms, tdi, tdo_req);
-  /* check and process the input queue */ 
-  if (bitq_interface->in_rdy()) bitq_in_proc();
+       bitq_interface->out(tms, tdi, tdo_req);
+       /* check and process the input queue */ 
+       if (bitq_interface->in_rdy()) bitq_in_proc();
 }
 
 
 void bitq_end_state(enum tap_state state)
 {
-  if (state==-1) return;
-  if (tap_move_map[state]==-1) {
+       if (state==-1) return;
+       if (tap_move_map[state]==-1) {
                ERROR("BUG: %i is not a valid end state", state);
                exit(-1);
        }
-  end_state = state;
+       end_state = state;
 }
 
 
 void bitq_state_move(enum tap_state new_state)
 {
-  int i=0;
-  u8 tms_scan;
-
-  if (tap_move_map[cur_state]==-1 || tap_move_map[new_state]==-1) {
-    ERROR("TAP move from or to unstable state");
-    exit(-1);
-  }
-  
-  tms_scan=TAP_MOVE(cur_state, new_state);
-
-  for (i=0; i<7; i++) {
-    bitq_io(tms_scan&1, 0, 0);
-    tms_scan>>=1;
-  }
-
-  cur_state = new_state;
+       int i=0;
+       u8 tms_scan;
+
+       if (tap_move_map[cur_state]==-1 || tap_move_map[new_state]==-1) {
+               ERROR("TAP move from or to unstable state");
+               exit(-1);
+       }
+       
+       tms_scan=TAP_MOVE(cur_state, new_state);
+
+       for (i=0; i<7; i++) {
+               bitq_io(tms_scan&1, 0, 0);
+               tms_scan>>=1;
+       }
+
+       cur_state = new_state;
 }
 
 
 void bitq_path_move(pathmove_command_t *cmd)
 {
-  int i;
+       int i;
 
-  for (i=0; i<=cmd->num_states; i++) {
-    if (tap_transitions[cur_state].low == cmd->path[i]) bitq_io(0, 0, 0);
-    else if (tap_transitions[cur_state].high == cmd->path[i]) bitq_io(1, 0, 0);
-    else {
-      ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[i]]);
-      exit(-1);
-    }
+       for (i=0; i<=cmd->num_states; i++) {
+               if (tap_transitions[cur_state].low == cmd->path[i]) bitq_io(0, 0, 0);
+               else if (tap_transitions[cur_state].high == cmd->path[i]) bitq_io(1, 0, 0);
+               else {
+                       ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[i]]);
+                       exit(-1);
+               }
 
-    cur_state = cmd->path[i];
-  }
+               cur_state = cmd->path[i];
+       }
 
-  end_state = cur_state;
+       end_state = cur_state;
 }
 
 
 void bitq_runtest(int num_cycles)
 {
-  int i;
+       int i;
 
-  /* only do a state_move when we're not already in RTI */
-  if (cur_state != TAP_RTI) bitq_state_move(TAP_RTI);
+       /* only do a state_move when we're not already in RTI */
+       if (cur_state != TAP_RTI) bitq_state_move(TAP_RTI);
 
-  /* execute num_cycles */
-  for (i = 0; i < num_cycles; i++)
-    bitq_io(0, 0, 0);
+       /* execute num_cycles */
+       for (i = 0; i < num_cycles; i++)
+               bitq_io(0, 0, 0);
 
-  /* finish in end_state */
-  if (cur_state != end_state) bitq_state_move(end_state);
+       /* finish in end_state */
+       if (cur_state != end_state) bitq_state_move(end_state);
 }
 
 
 void bitq_scan_field(scan_field_t *field, int pause)
 {
-  int bit_cnt;
-  int tdo_req;
-
-  u8 *out_ptr;
-  u8 out_mask;
-  
-  if (field->in_check_value || field->in_value || field->in_handler) tdo_req=1;
-  else tdo_req=0;
-
-  if (field->out_value==NULL) {
-    /* just send zeros and request data from TDO */
-    for (bit_cnt=field->num_bits; bit_cnt>1; bit_cnt--)
-      bitq_io(0, 0, tdo_req);
-    bitq_io(pause, 0, tdo_req);
-  }
-  else {
-    /* send data, and optionally request TDO */
-    out_mask=0x01;
-    out_ptr=field->out_value;
-    for (bit_cnt=field->num_bits; bit_cnt>1; bit_cnt--) {
-      bitq_io(0, ((*out_ptr)&out_mask)!=0, tdo_req);
-      if (out_mask==0x80) {
-        out_mask=0x01;
-        out_ptr++;
-      }
-      else out_mask<<=1;
-    }
-    bitq_io(pause, ((*out_ptr)&out_mask)!=0, tdo_req);
-  }
-
-  if (pause) {
-    bitq_io(0,0,0);
-    if (cur_state==TAP_SI) cur_state=TAP_PI;
-    else if (cur_state==TAP_SD) cur_state=TAP_PD;
-  }
+       int bit_cnt;
+       int tdo_req;
+
+       u8 *out_ptr;
+       u8 out_mask;
+       
+       if (field->in_check_value || field->in_value || field->in_handler) tdo_req=1;
+       else tdo_req=0;
+
+       if (field->out_value==NULL) {
+               /* just send zeros and request data from TDO */
+               for (bit_cnt=field->num_bits; bit_cnt>1; bit_cnt--)
+                       bitq_io(0, 0, tdo_req);
+               bitq_io(pause, 0, tdo_req);
+       }
+       else {
+               /* send data, and optionally request TDO */
+               out_mask=0x01;
+               out_ptr=field->out_value;
+               for (bit_cnt=field->num_bits; bit_cnt>1; bit_cnt--) {
+                       bitq_io(0, ((*out_ptr)&out_mask)!=0, tdo_req);
+                       if (out_mask==0x80) {
+                               out_mask=0x01;
+                               out_ptr++;
+                       }
+                       else out_mask<<=1;
+               }
+               bitq_io(pause, ((*out_ptr)&out_mask)!=0, tdo_req);
+       }
+
+       if (pause) {
+               bitq_io(0,0,0);
+               if (cur_state==TAP_SI) cur_state=TAP_PI;
+               else if (cur_state==TAP_SD) cur_state=TAP_PD;
+       }
 }
 
 
 void bitq_scan(scan_command_t *cmd)
 {
-  int i;
+       int i;
 
-  if (cmd->ir_scan) bitq_state_move(TAP_SI);
-  else bitq_state_move(TAP_SD);
+       if (cmd->ir_scan) bitq_state_move(TAP_SI);
+       else bitq_state_move(TAP_SD);
 
-  for (i=0; i < cmd->num_fields-1; i++)
-    bitq_scan_field(&cmd->fields[i], 0);
-  bitq_scan_field(&cmd->fields[i], 1);
+       for (i=0; i < cmd->num_fields-1; i++)
+               bitq_scan_field(&cmd->fields[i], 0);
+       bitq_scan_field(&cmd->fields[i], 1);
 }
 
 
 int bitq_execute_queue(void)
 {
-  jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
-  
-  bitq_in_state.cmd = jtag_command_queue;
-  bitq_in_state.field_idx = 0;
-  bitq_in_state.bit_pos = 0;
-  bitq_in_state.status = ERROR_OK;
+       jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
+       
+       bitq_in_state.cmd = jtag_command_queue;
+       bitq_in_state.field_idx = 0;
+       bitq_in_state.bit_pos = 0;
+       bitq_in_state.status = ERROR_OK;
 
-  while (cmd) {
+       while (cmd) {
 
-    switch (cmd->type) {
+               switch (cmd->type) {
 
-      case JTAG_END_STATE:
+                       case JTAG_END_STATE:
 #ifdef _DEBUG_JTAG_IO_
-        DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
+                               DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
 #endif
-        bitq_end_state(cmd->cmd.end_state->end_state);
-        break;
+                               bitq_end_state(cmd->cmd.end_state->end_state);
+                               break;
 
-      case JTAG_RESET:
+                       case JTAG_RESET:
 #ifdef _DEBUG_JTAG_IO_
-        DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
+                               DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
 #endif
                                bitq_interface->reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
-        if (bitq_interface->in_rdy()) bitq_in_proc();
-        break;
+                               if (bitq_interface->in_rdy()) bitq_in_proc();
+                               break;
 
-      case JTAG_RUNTEST:
+                       case JTAG_RUNTEST:
 #ifdef _DEBUG_JTAG_IO_
-        DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
+                               DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
 #endif
-        bitq_end_state(cmd->cmd.runtest->end_state);
-        bitq_runtest(cmd->cmd.runtest->num_cycles);
-        break;
+                               bitq_end_state(cmd->cmd.runtest->end_state);
+                               bitq_runtest(cmd->cmd.runtest->num_cycles);
+                               break;
 
-      case JTAG_STATEMOVE:
+                       case JTAG_STATEMOVE:
 #ifdef _DEBUG_JTAG_IO_
-        DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
+                               DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
 #endif
-        bitq_end_state(cmd->cmd.statemove->end_state);
-        bitq_state_move(end_state); /* uncoditional TAP move */
-        break;
+                               bitq_end_state(cmd->cmd.statemove->end_state);
+                               bitq_state_move(end_state); /* uncoditional TAP move */
+                               break;
 
-      case JTAG_PATHMOVE:
+                       case JTAG_PATHMOVE:
 #ifdef _DEBUG_JTAG_IO_
-        DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
+                               DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
 #endif
-        bitq_path_move(cmd->cmd.pathmove);
-        break;
+                               bitq_path_move(cmd->cmd.pathmove);
+                               break;
 
-      case JTAG_SCAN:
+                       case JTAG_SCAN:
 #ifdef _DEBUG_JTAG_IO_
-        DEBUG("scan end in %i", cmd->cmd.scan->end_state);
-        if (cmd->cmd.scan->ir_scan) DEBUG("scan ir");
-        else DEBUG("scan dr");
+                               DEBUG("scan end in %i", cmd->cmd.scan->end_state);
+                               if (cmd->cmd.scan->ir_scan) DEBUG("scan ir");
+                               else DEBUG("scan dr");
 #endif
-        bitq_end_state(cmd->cmd.scan->end_state);
-        bitq_scan(cmd->cmd.scan);
-        if (cur_state != end_state) bitq_state_move(end_state);
-        break;
+                               bitq_end_state(cmd->cmd.scan->end_state);
+                               bitq_scan(cmd->cmd.scan);
+                               if (cur_state != end_state) bitq_state_move(end_state);
+                               break;
 
-      case JTAG_SLEEP:
+                       case JTAG_SLEEP:
 #ifdef _DEBUG_JTAG_IO_
-        DEBUG("sleep %i", cmd->cmd.sleep->us);
+                               DEBUG("sleep %i", cmd->cmd.sleep->us);
 #endif
                                bitq_interface->sleep(cmd->cmd.sleep->us);
-        if (bitq_interface->in_rdy()) bitq_in_proc();
-        break;
-
-      default:
-        ERROR("BUG: unknown JTAG command type encountered");
-        exit(-1);
-    }
-
-    cmd = cmd->next;
-  }
-
-  bitq_interface->flush();
-  bitq_in_proc();
-
-  if (bitq_in_state.cmd) {
-    ERROR("missing data from bitq interface");
-    return ERROR_JTAG_QUEUE_FAILED;
-  }
-  if (bitq_interface->in()>=0) {
-    ERROR("extra data from bitq interface");
-    return ERROR_JTAG_QUEUE_FAILED;
-  }
-
-  return bitq_in_state.status;
+                               if (bitq_interface->in_rdy()) bitq_in_proc();
+                               break;
+
+                       default:
+                               ERROR("BUG: unknown JTAG command type encountered");
+                               exit(-1);
+               }
+
+               cmd = cmd->next;
+       }
+
+       bitq_interface->flush();
+       bitq_in_proc();
+
+       if (bitq_in_state.cmd) {
+               ERROR("missing data from bitq interface");
+               return ERROR_JTAG_QUEUE_FAILED;
+       }
+       if (bitq_interface->in()>=0) {
+               ERROR("extra data from bitq interface");
+               return ERROR_JTAG_QUEUE_FAILED;
+       }
+
+       return bitq_in_state.status;
 }
 
 
index a6dbadc6184cc45305618d9a3c13a308a03d6f59..44b0e6a8dca6d216304cc16920f36a5a32fcb586 100644 (file)
@@ -205,7 +205,8 @@ int ft2232_read(u8* buf, int size, u32* bytes_read)
 
        while ((*bytes_read < size) && timeout--)
        {
-               if ((status = FT_Read(ftdih, buf, size, &dw_bytes_read)) != FT_OK)
+               if ((status = FT_Read(ftdih, buf + *bytes_read, size - 
+                       *bytes_read, &dw_bytes_read)) != FT_OK)         
                {
                        *bytes_read = 0; 
                        ERROR("FT_Read returned: %lu", status);
index 1db8247eaab1a1bed23b8963f539876d2fa5ec6b..c1c52fe48f43826e894d50f6b686012183d0abac 100644 (file)
@@ -1345,7 +1345,7 @@ int jtag_validate_chain()
                        char *cbuf = buf_to_str(ir_test, total_ir_length, 16);
                        ERROR("Error validating JTAG scan chain, IR mismatch, scan returned 0x%s", cbuf);
                        free(cbuf);
-                       exit(-1);
+                       return ERROR_JTAG_INIT_FAILED;
                }
                chain_pos += device->ir_length;
                device = device->next;
@@ -1356,7 +1356,7 @@ int jtag_validate_chain()
                char *cbuf = buf_to_str(ir_test, total_ir_length, 16);
                ERROR("Error validating JTAG scan chain, IR mismatch, scan returned 0x%s", cbuf);
                free(cbuf);
-               exit(-1);
+               return ERROR_JTAG_INIT_FAILED;
        }
        
        free(ir_test);
@@ -1402,7 +1402,7 @@ int jtag_register_commands(struct command_context_s *cmd_ctx)
 
 int jtag_init(struct command_context_s *cmd_ctx)
 {
-       int i;
+       int i, validate_tries = 0;
        
        DEBUG("-");
 
@@ -1433,11 +1433,20 @@ int jtag_init(struct command_context_s *cmd_ctx)
                                
                                jtag_add_statemove(TAP_TLR);
                                jtag_execute_queue();
-                               
+
+                               while (jtag_validate_chain() != ERROR_OK)
+                               {
+                                       validate_tries++;
+                                       if (validate_tries > 5)
+                                       {
+                                               ERROR("Could not validate JTAG chain, exit");
+                                               exit(-1);
+                                       }
+                                       usleep(10000);
+                               }
+
                                jtag_examine_chain();
                                
-                               jtag_validate_chain();
-                               
                                return ERROR_OK;
                        }
                }
index 470ba93eb68fea86e6c55cae8faf540866d1e86f..1b03d615b9625d488e18a991e8177cd315977d18 100644 (file)
@@ -25,7 +25,7 @@
 
 #include "command.h"
 
-#if 1
+#if 0
 #define _DEBUG_JTAG_IO_
 #endif
 
index a6c048ad42d42020af619ec6c73ab647fbf1c134..fe54b1312fd95c7ac317a221f222946b9459e2ca 100644 (file)
@@ -166,7 +166,7 @@ int presto_open(char *req_serial)
                if (FT_GetDeviceInfo(presto->handle,&device,&vidpid,presto->serial,devname,NULL)==FT_OK)
                {
                        if (vidpid==PRESTO_VID_PID && (req_serial==NULL || !strcmp(presto->serial,req_serial)))
-                         break;
+                               break;
                }
                FT_Close(presto->handle);
                presto->handle=INVALID_HANDLE_VALUE;
index 33f876b73e4eecfbd1122bf205990fa7488f316d..600225b954ee888ca358536c315fb4cc918af4d2 100644 (file)
@@ -18,7 +18,7 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 
-#define OPENOCD_VERSION "Open On-Chip Debugger (2007-07-15 13:15 CEST)"
+#define OPENOCD_VERSION "Open On-Chip Debugger (2007-07-25 12:00 CEST)"
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
index 34b66050791a6215fd462eef863be04322b2d8c9..19c6a233a58d8b608e2a564decb869156884a377 100644 (file)
@@ -264,63 +264,31 @@ int gdb_get_packet(connection_t *connection, char *buffer, int *len)
                {
                        if ((retval = gdb_get_char(connection, &character)) != ERROR_OK)
                                return retval;
-                       
-                       if( !first_char ) {
-                               packet_type = character;
-                               first_char = 1; 
-                       }
-                       
-                       if( packet_type == 'X' )
+                               
+                       if (character == '#') break;
+
+                       if (character == '}')
                        {
-                               switch (character)
-                               {
-                                       case '#':
-                                               break;
-                                       case 0x7d:
-                                               /* data transmitted in binary mode (X packet)
-                                               * uses 0x7d as escape character */
-                                               my_checksum += character & 0xff;
-                                               gdb_get_char(connection, &character);
-                                               my_checksum += character & 0xff;
-                                               buffer[count++] = (character ^ 0x20) & 0xff;
-                                               if (count > *len)
-                                               {
-                                                       ERROR("packet buffer too small");
-                                                       return ERROR_GDB_BUFFER_TOO_SMALL;
-                                               }
-                                               break;
-                                       default:
-                                               buffer[count++] = character & 0xff;
-                                               my_checksum += character & 0xff;
-                                               if (count > *len)
-                                               {
-                                                       ERROR("packet buffer too small");
-                                                       return ERROR_GDB_BUFFER_TOO_SMALL;
-                                               }
-                                               break;
-                               }
+                               /* data transmitted in binary mode (X packet)
+                               * uses 0x7d as escape character */
+                               my_checksum += character & 0xff;
+                               if ((retval = gdb_get_char(connection, &character)) != ERROR_OK)
+                                       return retval;
+                               my_checksum += character & 0xff;
+                               buffer[count++] = (character ^ 0x20) & 0xff;
                        }
                        else
                        {
-                               switch (character)
-                               {
-                                       case '#':
-                                               break;
-                                       case 0x3:
-                                               gdb_con->ctrl_c = 1;
-                                               break;
-                                       default:
-                                               buffer[count++] = character & 0xff;
-                                               my_checksum += character & 0xff;
-                                               if (count > *len)
-                                               {
-                                                       ERROR("packet buffer too small");
-                                                       return ERROR_GDB_BUFFER_TOO_SMALL;
-                                               }
-                                               break;
-                               }
+                               my_checksum += character & 0xff;
+                               buffer[count++] = character & 0xff;
+                       }
+
+                       if (count > *len)
+                       {
+                               ERROR("packet buffer too small");
+                               return ERROR_GDB_BUFFER_TOO_SMALL;
                        }
-               } while (character != '#');
+               } while (1);
 
                *len = count;
                
index 07c450cd3137a86f880c4ca28cdf1393d5e81366..10d430b9392eb36ea476317f58253285f7804594 100644 (file)
@@ -1862,6 +1862,7 @@ int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args
 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
        target_t *target = get_current_target(cmd_ctx);
+       int retval;
 
        if (argc == 0)
        {
@@ -1905,7 +1906,23 @@ int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args,
                {
                        data_mask = strtoul(args[4], NULL, 0);
                }
-               watchpoint_add(target, strtoul(args[0], NULL, 0), strtoul(args[1], NULL, 0), type, data_value, data_mask);
+               
+               if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
+                               strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
+               {
+                       switch (retval)
+                       {
+                               case ERROR_TARGET_NOT_HALTED:
+                                       command_print(cmd_ctx, "target must be halted to set watchpoints");
+                                       break;
+                               case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
+                                       command_print(cmd_ctx, "no more watchpoints available");
+                                       break;
+                               default:
+                                       command_print(cmd_ctx, "unknown error, watchpoint not set");
+                                       break;
+                       }       
+               }
        }
        else
        {