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Dick Hollenbeck <dick@softplc.com> adds jtag_add_clocks() and implements those in the bitbang and ft2232.c. nearly a full rewrite of the xsvf.c. improved some messaging only affected by _DEBUG_JTAG_IO_

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git-svn-id: svn://svn.berlios.de/openocd/trunk@1308 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe
2009-01-09 07:42:45 +00:00
parent ebd5afbb0e
commit 9324e6280e
6 changed files with 1005 additions and 321 deletions
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63
src/jtag/jtag.c
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@@ -79,22 +79,22 @@ int tap_move_map[16] = {
tap_transition_t tap_transitions[16] =
{
{TAP_RESET, TAP_IDLE}, /* RESET */
{TAP_IRSELECT, TAP_DRCAPTURE}, /* DRSELECT */
{TAP_DREXIT1, TAP_DRSHIFT}, /* DRCAPTURE */
{TAP_DREXIT1, TAP_DRSHIFT}, /* DRSHIFT */
{TAP_RESET, TAP_IDLE}, /* RESET */
{TAP_IRSELECT, TAP_DRCAPTURE}, /* DRSELECT */
{TAP_DREXIT1, TAP_DRSHIFT}, /* DRCAPTURE */
{TAP_DREXIT1, TAP_DRSHIFT}, /* DRSHIFT */
{TAP_DRUPDATE, TAP_DRPAUSE}, /* DREXIT1 */
{TAP_DREXIT2, TAP_DRPAUSE}, /* DRPAUSE */
{TAP_DREXIT2, TAP_DRPAUSE}, /* DRPAUSE */
{TAP_DRUPDATE, TAP_DRSHIFT}, /* DREXIT2 */
{TAP_DRSELECT, TAP_IDLE}, /* DRUPDATE */
{TAP_DRSELECT, TAP_IDLE}, /* IDLE */
{TAP_RESET, TAP_IRCAPTURE}, /* IRSELECT */
{TAP_IREXIT1, TAP_IRSHIFT}, /* IRCAPTURE */
{TAP_IREXIT1, TAP_IRSHIFT}, /* IRSHIFT */
{TAP_DRSELECT, TAP_IDLE}, /* DRUPDATE */
{TAP_DRSELECT, TAP_IDLE}, /* IDLE */
{TAP_RESET, TAP_IRCAPTURE}, /* IRSELECT */
{TAP_IREXIT1, TAP_IRSHIFT}, /* IRCAPTURE */
{TAP_IREXIT1, TAP_IRSHIFT}, /* IRSHIFT */
{TAP_IRUPDATE, TAP_IRPAUSE}, /* IREXIT1 */
{TAP_IREXIT2, TAP_IRPAUSE}, /* IRPAUSE */
{TAP_IREXIT2, TAP_IRPAUSE}, /* IRPAUSE */
{TAP_IRUPDATE, TAP_IRSHIFT}, /* IREXIT2 */
{TAP_DRSELECT, TAP_IDLE} /* IRUPDATE */
{TAP_DRSELECT, TAP_IDLE} /* IRUPDATE */
};
char* jtag_event_strings[] =
@@ -983,7 +983,6 @@ int MINIDRIVER(interface_jtag_add_tlr)()
(*last_cmd)->cmd.statemove = cmd_queue_alloc(sizeof(statemove_command_t));
(*last_cmd)->cmd.statemove->end_state = state;
return ERROR_OK;
}
@@ -1074,6 +1073,33 @@ void jtag_add_runtest(int num_cycles, enum tap_state state)
jtag_error=retval;
}
int MINIDRIVER(interface_jtag_add_clocks)( int num_cycles )
{
jtag_command_t **last_cmd = jtag_get_last_command_p();
/* allocate memory for a new list member */
*last_cmd = cmd_queue_alloc(sizeof(jtag_command_t));
(*last_cmd)->next = NULL;
last_comand_pointer = &((*last_cmd)->next);
(*last_cmd)->type = JTAG_STABLECLOCKS;
(*last_cmd)->cmd.stableclocks = cmd_queue_alloc(sizeof(stableclocks_command_t));
(*last_cmd)->cmd.stableclocks->num_cycles = num_cycles;
return ERROR_OK;
}
void jtag_add_clocks( int num_cycles )
{
int retval;
jtag_prelude1();
retval=interface_jtag_add_clocks(num_cycles);
if (retval!=ERROR_OK)
jtag_error=retval;
}
void jtag_add_reset(int req_tlr_or_trst, int req_srst)
{
int trst_with_tlr = 0;
@@ -1252,6 +1278,8 @@ int jtag_build_buffer(scan_command_t *cmd, u8 **buffer)
bit_count = 0;
LOG_DEBUG("num_fields: %i",cmd->num_fields);
for (i = 0; i < cmd->num_fields; i++)
{
if (cmd->fields[i].out_value)
@@ -1261,12 +1289,13 @@ int jtag_build_buffer(scan_command_t *cmd, u8 **buffer)
#endif
buf_set_buf(cmd->fields[i].out_value, 0, *buffer, bit_count, cmd->fields[i].num_bits);
#ifdef _DEBUG_JTAG_IO_
LOG_DEBUG("fields[%i].out_value: 0x%s", i, char_buf);
LOG_DEBUG("fields[%i].out_value[%i]: 0x%s", i, cmd->fields[i].num_bits, char_buf);
free(char_buf);
#endif
}
bit_count += cmd->fields[i].num_bits;
LOG_DEBUG("bit_count totalling: %i", bit_count );
}
return bit_count;
@@ -1292,10 +1321,8 @@ int jtag_read_buffer(u8 *buffer, scan_command_t *cmd)
u8 *captured = buf_set_buf(buffer, bit_count, malloc(CEIL(num_bits, 8)), 0, num_bits);
#ifdef _DEBUG_JTAG_IO_
char *char_buf;
char_buf = buf_to_str(captured, (num_bits > 64) ? 64 : num_bits, 16);
LOG_DEBUG("fields[%i].in_value: 0x%s", i, char_buf);
char *char_buf = buf_to_str(captured, (num_bits > 64) ? 64 : num_bits, 16);
LOG_DEBUG("fields[%i].in_value[%i]: 0x%s", i, num_bits, char_buf);
free(char_buf);
#endif