#define _ARM_JTAG_SCAN_N_CHECK_
#endif
-int arm_jtag_set_instr(arm_jtag_t *jtag_info, uint32_t new_instr, void *no_verify_capture)
+int arm_jtag_set_instr_inner(struct arm_jtag *jtag_info, uint32_t new_instr, void *no_verify_capture)
{
struct jtag_tap *tap;
tap = jtag_info->tap;
- if (tap == NULL)
- return ERROR_FAIL;
+ struct scan_field field;
+ uint8_t t[4];
- if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr)
+ field.num_bits = tap->ir_length;
+ field.out_value = t;
+ buf_set_u32(field.out_value, 0, field.num_bits, new_instr);
+ field.in_value = NULL;
+
+ if (no_verify_capture == NULL)
+ {
+ jtag_add_ir_scan(tap, &field, jtag_get_end_state());
+ } else
{
- struct scan_field field;
- uint8_t t[4];
-
- field.tap = tap;
- field.num_bits = tap->ir_length;
- field.out_value = t;
- buf_set_u32(field.out_value, 0, field.num_bits, new_instr);
- field.in_value = NULL;
-
-
-
- if (no_verify_capture == NULL)
- {
- jtag_add_ir_scan(1, &field, jtag_get_end_state());
- } else
- {
- /* FIX!!!! this is a kludge!!! arm926ejs.c should reimplement this arm_jtag_set_instr to
- * have special verification code.
- */
- jtag_add_ir_scan_noverify(1, &field, jtag_get_end_state());
- }
+ /* FIX!!!! this is a kludge!!! arm926ejs.c should reimplement this arm_jtag_set_instr to
+ * have special verification code.
+ */
+ jtag_add_ir_scan_noverify(tap, &field, jtag_get_end_state());
}
return ERROR_OK;
}
-int arm_jtag_scann(arm_jtag_t *jtag_info, uint32_t new_scan_chain)
+int arm_jtag_scann_inner(struct arm_jtag *jtag_info, uint32_t new_scan_chain)
{
int retval = ERROR_OK;
- if (jtag_info->cur_scan_chain != new_scan_chain)
- {
- uint32_t values[1];
- int num_bits[1];
+ uint32_t values[1];
+ int num_bits[1];
- values[0]=new_scan_chain;
- num_bits[0]=jtag_info->scann_size;
+ values[0]=new_scan_chain;
+ num_bits[0]=jtag_info->scann_size;
- if ((retval = arm_jtag_set_instr(jtag_info, jtag_info->scann_instr, NULL)) != ERROR_OK)
- {
- return retval;
- }
+ if ((retval = arm_jtag_set_instr(jtag_info, jtag_info->scann_instr, NULL)) != ERROR_OK)
+ {
+ return retval;
+ }
- jtag_add_dr_out(jtag_info->tap,
- 1,
- num_bits,
- values,
- jtag_get_end_state());
+ jtag_add_dr_out(jtag_info->tap,
+ 1,
+ num_bits,
+ values,
+ jtag_get_end_state());
- jtag_info->cur_scan_chain = new_scan_chain;
- }
+ jtag_info->cur_scan_chain = new_scan_chain;
return retval;
}
int arm_jtag_reset_callback(enum jtag_event event, void *priv)
{
- arm_jtag_t *jtag_info = priv;
+ struct arm_jtag *jtag_info = priv;
if (event == JTAG_TRST_ASSERTED)
{
return ERROR_OK;
}
-int arm_jtag_setup_connection(arm_jtag_t *jtag_info)
+int arm_jtag_setup_connection(struct arm_jtag *jtag_info)
{
jtag_info->scann_instr = 0x2;
jtag_info->cur_scan_chain = 0;
return jtag_register_event_callback(arm_jtag_reset_callback, jtag_info);
}
-
-/* read JTAG buffer into host-endian uint32_t, flipping bit-order */
-int arm_jtag_buf_to_u32_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field)
-{
- uint32_t *dest = priv;
- *dest = flip_u32(le_to_h_u32(in_buf), 32);
- return ERROR_OK;
-}
-
-/* read JTAG buffer into little-endian uint32_t, flipping bit-order */
-int arm_jtag_buf_to_le32_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field)
-{
- h_u32_to_le(((uint8_t*)priv), flip_u32(le_to_h_u32(in_buf), 32));
- return ERROR_OK;
-}
-
-/* read JTAG buffer into little-endian uint16_t, flipping bit-order */
-int arm_jtag_buf_to_le16_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field)
-{
- h_u16_to_le(((uint8_t*)priv), flip_u32(le_to_h_u32(in_buf), 32) & 0xffff);
- return ERROR_OK;
-}
-
-/* read JTAG buffer into big-endian uint32_t, flipping bit-order */
-int arm_jtag_buf_to_be32_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field)
-{
- h_u32_to_be(((uint8_t*)priv), flip_u32(le_to_h_u32(in_buf), 32));
- return ERROR_OK;
-}
-
-/* read JTAG buffer into big-endian uint16_t, flipping bit-order */
-int arm_jtag_buf_to_be16_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field)
-{
- h_u16_to_be(((uint8_t*)priv), flip_u32(le_to_h_u32(in_buf), 32) & 0xffff);
- return ERROR_OK;
-}
-
-/* read JTAG buffer into uint8_t, flipping bit-order */
-int arm_jtag_buf_to_8_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field)
-{
- uint8_t *dest = priv;
- *dest = flip_u32(le_to_h_u32(in_buf), 32) & 0xff;
- return ERROR_OK;
-}
-
-/* not-flipping variants */
-/* read JTAG buffer into host-endian uint32_t */
-int arm_jtag_buf_to_u32(uint8_t *in_buf, void *priv, struct scan_field_s *field)
-{
- uint32_t *dest = priv;
- *dest = le_to_h_u32(in_buf);
- return ERROR_OK;
-}
-
-/* read JTAG buffer into little-endian uint32_t */
-int arm_jtag_buf_to_le32(uint8_t *in_buf, void *priv, struct scan_field_s *field)
-{
- h_u32_to_le(((uint8_t*)priv), le_to_h_u32(in_buf));
- return ERROR_OK;
-}
-
-/* read JTAG buffer into little-endian uint16_t */
-int arm_jtag_buf_to_le16(uint8_t *in_buf, void *priv, struct scan_field_s *field)
-{
- h_u16_to_le(((uint8_t*)priv), le_to_h_u32(in_buf) & 0xffff);
- return ERROR_OK;
-}
-
-/* read JTAG buffer into big-endian uint32_t */
-int arm_jtag_buf_to_be32(uint8_t *in_buf, void *priv, struct scan_field_s *field)
-{
- h_u32_to_be(((uint8_t*)priv), le_to_h_u32(in_buf));
- return ERROR_OK;
-}
-
-/* read JTAG buffer into big-endian uint16_t */
-int arm_jtag_buf_to_be16(uint8_t *in_buf, void *priv, struct scan_field_s *field)
-{
- h_u16_to_be(((uint8_t*)priv), le_to_h_u32(in_buf) & 0xffff);
- return ERROR_OK;
-}
-
-/* read JTAG buffer into uint8_t */
-int arm_jtag_buf_to_8(uint8_t *in_buf, void *priv, struct scan_field_s *field)
-{
- uint8_t *dest = priv;
- *dest = le_to_h_u32(in_buf) & 0xff;
- return ERROR_OK;
-}