OpenOCD
minidriver_imp.h
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1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 
3 /***************************************************************************
4  * Copyright (C) 2005 by Dominic Rath <Dominic.Rath@gmx.de> *
5  * Copyright (C) 2007-2009 Øyvind Harboe <oyvind.harboe@zylin.com> *
6  * Copyright (C) 2009 Zachary T Welch <zw@superlucidity.net> *
7  ***************************************************************************/
8 
9 #ifndef OPENOCD_JTAG_DRIVERS_MINIDRIVER_IMP_H
10 #define OPENOCD_JTAG_DRIVERS_MINIDRIVER_IMP_H
11 
12 #include <jtag/commands.h>
13 
14 static inline void interface_jtag_add_scan_check_alloc(struct scan_field *field)
15 {
16  unsigned int num_bytes = DIV_ROUND_UP(field->num_bits, 8);
17  field->in_value = cmd_queue_alloc(num_bytes);
18 }
19 
20 void jtag_add_callback4(jtag_callback_t f, jtag_callback_data_t data0,
21  jtag_callback_data_t data1, jtag_callback_data_t data2,
22  jtag_callback_data_t data3);
23 
24 #endif /* OPENOCD_JTAG_DRIVERS_MINIDRIVER_IMP_H */
cmd_queue_alloc
void * cmd_queue_alloc(size_t size)
Definition: commands.c:66
jtag_callback_t
int(* jtag_callback_t)(jtag_callback_data_t data0, jtag_callback_data_t data1, jtag_callback_data_t data2, jtag_callback_data_t data3)
Defines the interface of the JTAG callback mechanism.
Definition: jtag.h:379
jtag_callback_data_t
intptr_t jtag_callback_data_t
Defines the type of data passed to the jtag_callback_t interface.
Definition: jtag.h:336
jtag_add_callback4
void jtag_add_callback4(jtag_callback_t f, jtag_callback_data_t data0, jtag_callback_data_t data1, jtag_callback_data_t data2, jtag_callback_data_t data3)
Definition: jtag/drivers/driver.c:408
interface_jtag_add_scan_check_alloc
static void interface_jtag_add_scan_check_alloc(struct scan_field *field)
Definition: minidriver_imp.h:14
scan_field
This structure defines a single scan field in the scan.
Definition: jtag.h:87
scan_field::in_value
uint8_t * in_value
A pointer to a 32-bit memory location for data scanned out.
Definition: jtag.h:93
scan_field::num_bits
unsigned int num_bits
The number of bits this field specifies.
Definition: jtag.h:89
DIV_ROUND_UP
#define DIV_ROUND_UP(m, n)
Rounds m up to the nearest multiple of n using division.
Definition: types.h:79