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jtag: make cmd_queue_scan_field_clone public

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This patch makes the cmd_queue_scan_field_clone function public. This
permits targets to insert fields without affecting the submitted
scan_field list. This will be used in an upcoming target implementation
that needs to insert additional padding bits.

Change-Id: I8fbd3b9b4e413432471f4f1444048932c8fa189e
Signed-off-by: Steven Stallion <stallion@squareup.com>
Reviewed-on: http://openocd.zylin.com/4082
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
This commit is contained in:
Steven Stallion
2017-03-26 15:01:56 -05:00
committed by Matthias Welwarsky
parent e65acd889c
commit e72b2601e7
4 changed files with 17 additions and 17 deletions
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16
src/jtag/drivers/driver.c
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@@ -55,18 +55,6 @@ static void jtag_callback_queue_reset(void)
jtag_callback_queue_tail = NULL;
}
/**
* Copy a struct scan_field for insertion into the queue.
*
* This allocates a new copy of out_value using cmd_queue_alloc.
*/
static void cmd_queue_scan_field_clone(struct scan_field *dst, const struct scan_field *src)
{
dst->num_bits = src->num_bits;
dst->out_value = buf_cpy(src->out_value, cmd_queue_alloc(DIV_ROUND_UP(src->num_bits, 8)), src->num_bits);
dst->in_value = src->in_value;
}
/**
* see jtag_add_ir_scan()
*
@@ -101,7 +89,7 @@ int interface_jtag_add_ir_scan(struct jtag_tap *active,
/* if TAP is listed in input fields, copy the value */
tap->bypass = 0;
cmd_queue_scan_field_clone(field, in_fields);
jtag_scan_field_clone(field, in_fields);
} else {
/* if a TAP isn't listed in input fields, set it to BYPASS */
@@ -168,7 +156,7 @@ int interface_jtag_add_dr_scan(struct jtag_tap *active, int in_num_fields,
#endif /* NDEBUG */
for (int j = 0; j < in_num_fields; j++) {
cmd_queue_scan_field_clone(field, in_fields + j);
jtag_scan_field_clone(field, in_fields + j);
field++;
}