openocd/src/target/arm_jtag.h

76 lines
3.6 KiB
C

/***************************************************************************
* 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 *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef ARM_JTAG
#define ARM_JTAG
#include "jtag.h"
typedef struct arm_jtag_s
{
jtag_tap_t *tap;
uint32_t scann_size;
uint32_t scann_instr;
uint32_t cur_scan_chain;
uint32_t intest_instr;
} arm_jtag_t;
extern int arm_jtag_set_instr(arm_jtag_t *jtag_info, uint32_t new_instr, void *verify_capture);
extern int arm_jtag_scann(arm_jtag_t *jtag_info, uint32_t new_scan_chain);
extern int arm_jtag_setup_connection(arm_jtag_t *jtag_info);
/* JTAG buffers to host, be and le buffers, flipping variants */
int arm_jtag_buf_to_u32_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field);
int arm_jtag_buf_to_le32_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field);
int arm_jtag_buf_to_le16_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field);
int arm_jtag_buf_to_be32_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field);
int arm_jtag_buf_to_be16_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field);
int arm_jtag_buf_to_8_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field);
/* JTAG buffers to host, be and le buffers */
int arm_jtag_buf_to_u32(uint8_t *in_buf, void *priv, struct scan_field_s *field);
int arm_jtag_buf_to_le32(uint8_t *in_buf, void *priv, struct scan_field_s *field);
int arm_jtag_buf_to_le16(uint8_t *in_buf, void *priv, struct scan_field_s *field);
int arm_jtag_buf_to_be32(uint8_t *in_buf, void *priv, struct scan_field_s *field);
int arm_jtag_buf_to_be16(uint8_t *in_buf, void *priv, struct scan_field_s *field);
int arm_jtag_buf_to_8(uint8_t *in_buf, void *priv, struct scan_field_s *field);
/* use this as a static so we can inline it in -O3 and refer to it via a pointer */
static __inline__ void arm7flip32(jtag_callback_data_t arg)
{
uint8_t *in = (uint8_t *)arg;
*((uint32_t *)in) = flip_u32(le_to_h_u32(in), 32);
}
static __inline__ void arm_le_to_h_u32(jtag_callback_data_t arg)
{
uint8_t *in = (uint8_t *)arg;
*((uint32_t *)in) = le_to_h_u32(in);
}
#endif /* ARM_JTAG */