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Improve jtag_validate_ircapture() diagnostics. 

Bugfix the error message so it shows the disliked value, and add
a debug message showing each TAP's IR capture value, all N bits.

This just changes diagnostics ... it still ignores the parameters
given to us at TAP declaration time.


git-svn-id: svn://svn.berlios.de/openocd/trunk@2801 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
dbrownell 2009-10-05 08:23:33 +00:00
parent 7c7467b34f
commit 7a57c31619
1 changed files with 10 additions and 8 deletions
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18
src/jtag/core.c
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@ -1068,6 +1068,7 @@ static int jtag_validate_ircapture(void)
int total_ir_length = 0;
uint8_t *ir_test = NULL;
scan_field_t field;
int val;
int chain_pos = 0;
int retval;
@ -1100,7 +1101,7 @@ static int jtag_validate_ircapture(void)
tap = NULL;
chain_pos = 0;
int val;
for (;;) {
tap = jtag_tap_next_enabled(tap);
if (tap == NULL) {
@ -1111,17 +1112,18 @@ static int jtag_validate_ircapture(void)
* REVISIT we might be able to verify some MSBs too, using
* ircapture/irmask attributes.
*/
val = buf_get_u32(ir_test, chain_pos, 2);
if (val != 1) {
char *cbuf = buf_to_str(ir_test, total_ir_length, 16);
val = buf_get_u32(ir_test, chain_pos, tap->ir_length);
if ((val & 0x3) != 1) {
LOG_ERROR("%s: IR capture error; saw 0x%0*x not 0x..1",
jtag_tap_name(tap),
(tap->ir_length + 7) / tap->ir_length,
val);
LOG_ERROR("%s: IR capture error; saw 0x%s not 0x..1",
jtag_tap_name(tap), cbuf);
free(cbuf);
retval = ERROR_JTAG_INIT_FAILED;
goto done;
}
LOG_DEBUG("%s: IR capture 0x%0*x", jtag_tap_name(tap),
(tap->ir_length + 7) / tap->ir_length, val);
chain_pos += tap->ir_length;
}