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This moves common code into functions so as to make it clear 

that all the jtag_add_xxx() are indeed intended to do the same thing.


git-svn-id: svn://svn.berlios.de/openocd/trunk@504 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe 2008-03-12 14:45:26 +00:00
parent 10c3b1c936
commit 9bf8a4e48b
1 changed files with 23 additions and 87 deletions
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110
src/jtag/jtag.c
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@ -391,7 +391,7 @@ void cmd_queue_free()
cmd_queue_pages = NULL;
}
void jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state)
static void jtag_prelude1()
{
if (jtag_trst == 1)
{
@ -400,13 +400,23 @@ void jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state
return;
}
if (cmd_queue_end_state == TAP_TLR)
jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
}
static void jtag_prelude(enum tap_state state)
{
jtag_prelude1();
if (state != -1)
cmd_queue_end_state = state;
if (cmd_queue_end_state == TAP_TLR)
jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
cmd_queue_cur_state = cmd_queue_end_state;
}
void jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state)
{
jtag_prelude(state);
int retval=interface_jtag_add_ir_scan(num_fields, fields, cmd_queue_end_state);
if (retval!=ERROR_OK)
@ -492,20 +502,7 @@ int MINIDRIVER(interface_jtag_add_ir_scan)(int num_fields, scan_field_t *fields,
void jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state)
{
if (jtag_trst == 1)
{
WARNING("JTAG command queued, while TRST is low (TAP in reset)");
jtag_error=ERROR_JTAG_TRST_ASSERTED;
return;
}
if (state != -1)
cmd_queue_end_state = state;
if (cmd_queue_end_state == TAP_TLR)
jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
cmd_queue_cur_state = cmd_queue_end_state;
jtag_prelude(state);
int retval=interface_jtag_add_plain_ir_scan(num_fields, fields, cmd_queue_end_state);
if (retval!=ERROR_OK)
@ -551,20 +548,7 @@ int MINIDRIVER(interface_jtag_add_plain_ir_scan)(int num_fields, scan_field_t *f
void jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state)
{
if (jtag_trst == 1)
{
WARNING("JTAG command queued, while TRST is low (TAP in reset)");
jtag_error=ERROR_JTAG_TRST_ASSERTED;
return;
}
if (state != -1)
cmd_queue_end_state = state;
if (cmd_queue_end_state == TAP_TLR)
jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
cmd_queue_cur_state = cmd_queue_end_state;
jtag_prelude(state);
int retval=interface_jtag_add_dr_scan(num_fields, fields, cmd_queue_end_state);
if (retval!=ERROR_OK)
@ -749,20 +733,7 @@ void MINIDRIVER(interface_jtag_add_dr_out)(int device_num,
void jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state)
{
if (jtag_trst == 1)
{
WARNING("JTAG command queued, while TRST is low (TAP in reset)");
jtag_error=ERROR_JTAG_TRST_ASSERTED;
return;
}
if (state != -1)
cmd_queue_end_state = state;
if (cmd_queue_end_state == TAP_TLR)
jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
cmd_queue_cur_state = cmd_queue_end_state;
jtag_prelude(state);
int retval=interface_jtag_add_plain_dr_scan(num_fields, fields, cmd_queue_end_state);
if (retval!=ERROR_OK)
@ -806,20 +777,7 @@ int MINIDRIVER(interface_jtag_add_plain_dr_scan)(int num_fields, scan_field_t *f
}
void jtag_add_statemove(enum tap_state state)
{
if (jtag_trst == 1)
{
WARNING("JTAG command queued, while TRST is low (TAP in reset)");
jtag_error=ERROR_JTAG_TRST_ASSERTED;
return;
}
if (state != -1)
cmd_queue_end_state = state;
if (cmd_queue_end_state == TAP_TLR)
jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
cmd_queue_cur_state = cmd_queue_end_state;
jtag_prelude(state);
int retval;
retval=interface_jtag_add_statemove(cmd_queue_end_state);
@ -846,22 +804,11 @@ int MINIDRIVER(interface_jtag_add_statemove)(enum tap_state state)
void jtag_add_pathmove(int num_states, enum tap_state *path)
{
if (jtag_trst == 1)
{
WARNING("JTAG command queued, while TRST is low (TAP in reset)");
jtag_error=ERROR_JTAG_TRST_ASSERTED;
return;
}
if (cmd_queue_end_state == TAP_TLR)
jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
/* the last state has to be a stable state */
if (tap_move_map[path[num_states - 1]] == -1)
{
ERROR("TAP path doesn't finish in a stable state");
jtag_error=ERROR_JTAG_NOT_IMPLEMENTED;
return;
ERROR("BUG: TAP path doesn't finish in a stable state");
exit(-1);
}
enum tap_state cur_state=cmd_queue_cur_state;
@ -877,6 +824,8 @@ void jtag_add_pathmove(int num_states, enum tap_state *path)
cur_state = path[i];
}
jtag_prelude1();
cmd_queue_cur_state = path[num_states - 1];
int retval=interface_jtag_add_pathmove(num_states, path);
@ -925,20 +874,7 @@ int MINIDRIVER(interface_jtag_add_runtest)(int num_cycles, enum tap_state state)
void jtag_add_runtest(int num_cycles, enum tap_state state)
{
if (jtag_trst == 1)
{
WARNING("JTAG command queued, while TRST is low (TAP in reset)");
jtag_error=ERROR_JTAG_TRST_ASSERTED;
return;
}
if (state != -1)
cmd_queue_end_state = state;
if (cmd_queue_end_state == TAP_TLR)
jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
cmd_queue_cur_state = cmd_queue_end_state;
jtag_prelude(state);
/* executed by sw or hw fifo */
int retval=interface_jtag_add_runtest(num_cycles, cmd_queue_end_state);