* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
+ * oyvind.harboe@zylin.com *
+ * *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
#define _ARM_JTAG_SCAN_N_CHECK_
#endif
-int arm_jtag_set_instr_error_handler(u8 *in_value, void *priv)
-{
- ERROR("setting the new JTAG instruction failed, debugging is likely to be broken");
-
- return ERROR_OK;
-}
-
-int arm_jtag_set_instr(arm_jtag_t *jtag_info, u32 new_instr, error_handler_t *caller_error_handler)
+int arm_jtag_set_instr(arm_jtag_t *jtag_info, u32 new_instr, in_handler_t handler)
{
jtag_device_t *device = jtag_get_device(jtag_info->chain_pos);
if (buf_get_u32(device->cur_instr, 0, device->ir_length) != new_instr)
{
scan_field_t field;
+ u8 t[4];
field.device = jtag_info->chain_pos;
field.num_bits = device->ir_length;
- field.out_value = calloc(CEIL(field.num_bits, 8), 1);
+ field.out_value = t;
buf_set_u32(field.out_value, 0, field.num_bits, new_instr);
field.out_mask = NULL;
field.in_value = NULL;
field.in_check_value = NULL;
field.in_check_mask = NULL;
- field.in_handler = NULL;
+ field.in_handler = handler;
field.in_handler_priv = NULL;
-
-
-
- if (caller_error_handler)
- {
- jtag_set_check_value(&field, NULL, NULL, caller_error_handler);
- }
- else
- {
- error_handler_t error_handler;
- error_handler.error_handler = arm_jtag_set_instr_error_handler;
- error_handler.error_handler_priv = NULL;
- jtag_set_check_value(&field, NULL, NULL, &error_handler);
- }
- jtag_add_ir_scan(1, &field, -1, NULL);
-
-
- free(field.out_value);
+ jtag_add_ir_scan(1, &field, -1);
}
return ERROR_OK;
{
if(jtag_info->cur_scan_chain != new_scan_chain)
{
-#ifdef _ARM_JTAG_SCAN_N_CHECK_
- u8 scan_n_check_value = 0x10;
-#endif
- scan_field_t field;
-
- field.device = jtag_info->chain_pos;
- field.num_bits = jtag_info->scann_size;
- field.out_value = calloc(CEIL(field.num_bits, 8), 1);
- buf_set_u32(field.out_value, 0, field.num_bits, new_scan_chain);
- field.out_mask = NULL;
- field.in_value = NULL;
-#ifdef _ARM_JTAG_SCAN_N_CHECK_
- jtag_set_check_value(&field, &scan_n_check_value, NULL, NULL, NULL);
-#else
- field.in_handler = NULL;
- field.in_handler_priv = NULL;
-#endif
+ u32 values[1];
+ int num_bits[1];
+ values[0]=new_scan_chain;
+ num_bits[0]=jtag_info->scann_size;
arm_jtag_set_instr(jtag_info, jtag_info->scann_instr, NULL);
- jtag_add_dr_scan(1, &field, -1, NULL);
+ jtag_add_dr_out(jtag_info->chain_pos,
+ 1,
+ num_bits,
+ values,
+ -1);
jtag_info->cur_scan_chain = new_scan_chain;
-
- free(field.out_value);
}
return ERROR_OK;
}
/* read JTAG buffer into host-endian u32, flipping bit-order */
-int arm_jtag_buf_to_u32_flip(u8 *in_buf, void *priv)
+int arm_jtag_buf_to_u32_flip(u8 *in_buf, void *priv, struct scan_field_s *field)
{
u32 *dest = priv;
*dest = flip_u32(le_to_h_u32(in_buf), 32);
}
/* read JTAG buffer into little-endian u32, flipping bit-order */
-int arm_jtag_buf_to_le32_flip(u8 *in_buf, void *priv)
+int arm_jtag_buf_to_le32_flip(u8 *in_buf, void *priv, struct scan_field_s *field)
{
h_u32_to_le(((u8*)priv), flip_u32(le_to_h_u32(in_buf), 32));
return ERROR_OK;
}
/* read JTAG buffer into little-endian u16, flipping bit-order */
-int arm_jtag_buf_to_le16_flip(u8 *in_buf, void *priv)
+int arm_jtag_buf_to_le16_flip(u8 *in_buf, void *priv, struct scan_field_s *field)
{
h_u16_to_le(((u8*)priv), flip_u32(le_to_h_u32(in_buf), 32) & 0xffff);
return ERROR_OK;
}
/* read JTAG buffer into big-endian u32, flipping bit-order */
-int arm_jtag_buf_to_be32_flip(u8 *in_buf, void *priv)
+int arm_jtag_buf_to_be32_flip(u8 *in_buf, void *priv, struct scan_field_s *field)
{
h_u32_to_be(((u8*)priv), flip_u32(le_to_h_u32(in_buf), 32));
return ERROR_OK;
}
/* read JTAG buffer into big-endian u16, flipping bit-order */
-int arm_jtag_buf_to_be16_flip(u8 *in_buf, void *priv)
+int arm_jtag_buf_to_be16_flip(u8 *in_buf, void *priv, struct scan_field_s *field)
{
h_u16_to_be(((u8*)priv), flip_u32(le_to_h_u32(in_buf), 32) & 0xffff);
return ERROR_OK;
}
/* read JTAG buffer into u8, flipping bit-order */
-int arm_jtag_buf_to_8_flip(u8 *in_buf, void *priv)
+int arm_jtag_buf_to_8_flip(u8 *in_buf, void *priv, struct scan_field_s *field)
{
u8 *dest = priv;
*dest = flip_u32(le_to_h_u32(in_buf), 32) & 0xff;
/* not-flipping variants */
/* read JTAG buffer into host-endian u32 */
-int arm_jtag_buf_to_u32(u8 *in_buf, void *priv)
+int arm_jtag_buf_to_u32(u8 *in_buf, void *priv, struct scan_field_s *field)
{
u32 *dest = priv;
*dest = le_to_h_u32(in_buf);
}
/* read JTAG buffer into little-endian u32 */
-int arm_jtag_buf_to_le32(u8 *in_buf, void *priv)
+int arm_jtag_buf_to_le32(u8 *in_buf, void *priv, struct scan_field_s *field)
{
h_u32_to_le(((u8*)priv), le_to_h_u32(in_buf));
return ERROR_OK;
}
/* read JTAG buffer into little-endian u16 */
-int arm_jtag_buf_to_le16(u8 *in_buf, void *priv)
+int arm_jtag_buf_to_le16(u8 *in_buf, void *priv, struct scan_field_s *field)
{
h_u16_to_le(((u8*)priv), le_to_h_u32(in_buf) & 0xffff);
return ERROR_OK;
}
/* read JTAG buffer into big-endian u32 */
-int arm_jtag_buf_to_be32(u8 *in_buf, void *priv)
+int arm_jtag_buf_to_be32(u8 *in_buf, void *priv, struct scan_field_s *field)
{
h_u32_to_be(((u8*)priv), le_to_h_u32(in_buf));
return ERROR_OK;
}
/* read JTAG buffer into big-endian u16 */
-int arm_jtag_buf_to_be16(u8 *in_buf, void *priv)
+int arm_jtag_buf_to_be16(u8 *in_buf, void *priv, struct scan_field_s *field)
{
h_u16_to_be(((u8*)priv), le_to_h_u32(in_buf) & 0xffff);
return ERROR_OK;
}
/* read JTAG buffer into u8 */
-int arm_jtag_buf_to_8(u8 *in_buf, void *priv)
+int arm_jtag_buf_to_8(u8 *in_buf, void *priv, struct scan_field_s *field)
{
u8 *dest = priv;
*dest = le_to_h_u32(in_buf) & 0xff;
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