--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2007,2008 Øyvind Harboe *
+ * Copyright (C) 2008 Duane Ellis *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "tclapi.h"
+#include "../target/target.h"
+#include "../jtag/jtag.h"
+#include "../flash/flash.h"
+
+#include <string.h>
+
+
+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 = alloc_printf("%s(%d)", varname, idx);
+ if (!namebuf)
+ return JIM_ERR;
+
+ nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
+ valObjPtr = Jim_NewIntObj(interp, val);
+ if (!nameObjPtr || !valObjPtr)
+ {
+ free(namebuf);
+ return JIM_ERR;
+ }
+
+ Jim_IncrRefCount(nameObjPtr);
+ Jim_IncrRefCount(valObjPtr);
+ result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
+ Jim_DecrRefCount(interp, nameObjPtr);
+ Jim_DecrRefCount(interp, valObjPtr);
+ free(namebuf);
+ /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
+ return result;
+}
+
+static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ target_t *target;
+ command_context_t *context;
+ long l;
+ u32 width;
+ int len;
+ u32 addr;
+ unsigned count;
+ u32 v;
+ const char *varname;
+ u8 buffer[4096];
+ unsigned i, n;
+ int e, retval;
+
+ /* argv[1] = name of array to receive the data
+ * argv[2] = desired width
+ * argv[3] = memory address
+ * argv[4] = count of times 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;
+ }
+
+ context = Jim_GetAssocData(interp, "context");
+ if (context == NULL)
+ {
+ LOG_ERROR("mem2array: no command context");
+ return JIM_ERR;
+ }
+ target = get_current_target(context);
+ if (target == NULL)
+ {
+ LOG_ERROR("mem2array: no current target");
+ return JIM_ERR;
+ }
+
+ /* 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 int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
+{
+ char *namebuf;
+ Jim_Obj *nameObjPtr, *valObjPtr;
+ int result;
+ long l;
+
+ namebuf = alloc_printf("%s(%d)", varname, idx);
+ if (!namebuf)
+ return JIM_ERR;
+
+ nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
+ if (!nameObjPtr)
+ {
+ free(namebuf);
+ return JIM_ERR;
+ }
+
+ Jim_IncrRefCount(nameObjPtr);
+ valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
+ Jim_DecrRefCount(interp, nameObjPtr);
+ free(namebuf);
+ if (valObjPtr == NULL)
+ return JIM_ERR;
+
+ result = Jim_GetLong(interp, valObjPtr, &l);
+ /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
+ *val = l;
+ return result;
+}
+
+static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ target_t *target;
+ command_context_t *context;
+ long l;
+ u32 width;
+ int len;
+ u32 addr;
+ u32 count;
+ u32 v;
+ const char *varname;
+ u8 buffer[4096];
+ int n, e, retval;
+
+ /* argv[1] = name of array to get the data
+ * argv[2] = desired width
+ * argv[3] = memory address
+ * argv[4] = count to write
+ */
+ 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), "array2mem: zero width read?", NULL);
+ return JIM_ERR;
+ }
+ if ((addr + (len * width)) < addr) {
+ Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
+ Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: 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), "array2mem: 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, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
+ Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
+ return JIM_ERR;
+ }
+
+ context = Jim_GetAssocData(interp, "context");
+ if (context == NULL)
+ {
+ LOG_ERROR("array2mem: no command context");
+ return JIM_ERR;
+ }
+ target = get_current_target(context);
+ if (target == NULL)
+ {
+ LOG_ERROR("array2mem: no current target");
+ return JIM_ERR;
+ }
+
+ /* 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);
+ }
+
+ v = 0; /* shut up gcc */
+ for (unsigned i = 0 ;i < count ;i++, n++) {
+ get_int_array_element(interp, varname, n, &v);
+ switch (width) {
+ case 4:
+ target_buffer_set_u32(target, &buffer[i*width], v);
+ break;
+ case 2:
+ target_buffer_set_u16(target, &buffer[i*width], v);
+ break;
+ case 1:
+ buffer[i] = v & 0x0ff;
+ break;
+ }
+ }
+ len -= count;
+
+ retval = target->type->write_memory(target, addr, width, count, buffer);
+ if (retval != ERROR_OK) {
+ /* BOO !*/
+ LOG_ERROR("array2mem: Write @ 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;
+ }
+ }
+
+ Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
+
+ return JIM_OK;
+}
+
+int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args)
+{
+ int retval;
+ scan_field_t *fields;
+ int num_fields;
+ int field_count = 0;
+ int i, e;
+ long device;
+
+ /* args[1] = device
+ * args[2] = num_bits
+ * args[3] = hex string
+ * ... repeat num bits and hex string ...
+ */
+ if ((argc < 4) || ((argc % 2)!=0))
+ {
+ Jim_WrongNumArgs(interp, 1, args, "<device> <num_bits1> <value1> <num_bits2> <value2> ...");
+ return JIM_ERR;
+ }
+
+ for (i = 2; i < argc; i+=2)
+ {
+ long bits;
+
+ e = Jim_GetLong(interp, args[i], &bits);
+ if (e != JIM_OK)
+ return e;
+ }
+
+ e = Jim_GetLong(interp, args[1], &device);
+ if (e != JIM_OK)
+ return e;
+
+ num_fields=(argc-2)/2;
+ fields = malloc(sizeof(scan_field_t) * num_fields);
+ for (i = 2; i < argc; i+=2)
+ {
+ long bits;
+ int len;
+ const char *str;
+
+ Jim_GetLong(interp, args[i], &bits);
+ str = Jim_GetString(args[i+1], &len);
+
+ fields[field_count].num_bits = bits;
+ fields[field_count].out_value = malloc(CEIL(bits, 8));
+ str_to_buf(str, len, fields[field_count].out_value, bits, 0);
+ fields[field_count].in_value = fields[field_count].out_value;
+ }
+
+ jtag_add_dr_scan(num_fields, fields, TAP_INVALID);
+ retval = jtag_execute_queue();
+ if (retval != ERROR_OK)
+ {
+ Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
+ Jim_AppendStrings(interp, Jim_GetResult(interp), "drscan: jtag execute failed", NULL);
+ return JIM_ERR;
+ }
+
+ field_count=0;
+ Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
+ for (i = 2; i < argc; i+=2)
+ {
+ long bits;
+ char *str;
+
+ Jim_GetLong(interp, args[i], &bits);
+ str = buf_to_str(fields[field_count].in_value, bits, 16);
+ free(fields[field_count].out_value);
+
+ Jim_ListAppendElement(interp, list, Jim_NewStringObj(interp, str, strlen(str)));
+ free(str);
+ field_count++;
+ }
+
+ Jim_SetResult(interp, list);
+
+ free(fields);
+
+ return JIM_OK;
+}
+
+static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+
+ if (argc != 1) {
+ Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
+ return JIM_ERR;
+ }
+
+ unsigned flash_banks = flash_get_bank_count();
+ if (!flash_banks)
+ {
+ return JIM_ERR;
+ }
+
+ Jim_Obj *list=Jim_NewListObj(interp, NULL, 0);
+ for (unsigned i = 0; i < flash_banks; i++)
+ {
+ flash_bank_t *p = get_flash_bank_by_num(i);
+ Jim_Obj *elem=Jim_NewListObj(interp, NULL, 0);
+
+ Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
+ Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
+ Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
+ Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
+ Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
+ Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
+ Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
+ Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
+ Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
+ Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
+
+ Jim_ListAppendElement(interp, list, elem);
+ }
+
+ Jim_SetResult(interp, list);
+
+ return JIM_OK;
+}
+
+int tclapi_register_commands(struct command_context_s *cmd_ctx)
+{
+ register_jim(cmd_ctx, "ocd_mem2array", &jim_mem2array,
+ "read memory and return as a TCL array for script processing");
+ register_jim(cmd_ctx, "ocd_array2mem", &jim_array2mem,
+ "convert a TCL array to memory locations and write the values");
+ register_jim(cmd_ctx, "drscan", &Jim_Command_drscan,
+ "execute DR scan <device> <num_bits> <value> <num_bits1> <value2> ...");
+ register_jim(cmd_ctx, "ocd_flash_banks", &jim_flash_banks,
+ "return information about the flash banks");
+ return ERROR_OK;
+}
projects / openocd / commitdiff