* 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. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <linux/parport.h>
#include <linux/ppdev.h>
#include <sys/ioctl.h>
-#else /* not PARPORT_USE_PPDEV */
+#else /* not PARPORT_USE_PPDEV */
#ifndef _WIN32
#include <sys/io.h>
#endif
/* interface variables
*/
-static uint8_t aw_control_rst = 0x00;
+static uint8_t aw_control_rst;
static uint8_t aw_control_fsm = 0x10;
static uint8_t aw_control_baudrate = 0x20;
-static int rtck_enabled = 0;
+static int rtck_enabled;
#if PARPORT_USE_PPDEV == 1
static int device_handle;
do { \
int __retval; \
\
- __retval = ioctl(device_handle, PPSETMODE, &addr_mode); \
+ __retval = ioctl(device_handle, PPSETMODE, &addr_mode); \
+ assert(__retval >= 0); \
__retval = write(device_handle, &val, 1); \
+ assert(__retval >= 0); \
} while (0)
#define AMT_AR(val) \
do { \
int __retval; \
\
- __retval = ioctl(device_handle, PPSETMODE, &addr_mode); \
+ __retval = ioctl(device_handle, PPSETMODE, &addr_mode); \
+ assert(__retval >= 0); \
__retval = read(device_handle, &val, 1); \
+ assert(__retval >= 0); \
} while (0)
static const int data_mode = IEEE1284_MODE_EPP | IEEE1284_DATA;
do { \
int __retval; \
\
- __retval = ioctl(device_handle, PPSETMODE, &data_mode); \
+ __retval = ioctl(device_handle, PPSETMODE, &data_mode); \
+ assert(__retval >= 0); \
__retval = write(device_handle, &val, 1); \
+ assert(__retval >= 0); \
} while (0)
#define AMT_DR(val) \
do { \
int __retval; \
\
- __retval = ioctl(device_handle, PPSETMODE, &data_mode); \
+ __retval = ioctl(device_handle, PPSETMODE, &data_mode); \
+ assert(__retval >= 0); \
__retval = read(device_handle, &val, 1); \
+ assert(__retval >= 0); \
} while (0)
#else
-#define AMT_AW(val) do { outb(val, amt_jtagaccel_port + 3); } while (0)
-#define AMT_AR(val) do { val = inb(amt_jtagaccel_port + 3); } while (0)
-#define AMT_DW(val) do { outb(val, amt_jtagaccel_port + 4); } while (0)
-#define AMT_DR(val) do { val = inb(amt_jtagaccel_port + 4); } while (0)
+#define AMT_AW(val) do { outb(val, amt_jtagaccel_port + 3); } while (0)
+#define AMT_AR(val) do { val = inb(amt_jtagaccel_port + 3); } while (0)
+#define AMT_DW(val) do { outb(val, amt_jtagaccel_port + 4); } while (0)
+#define AMT_DR(val) do { val = inb(amt_jtagaccel_port + 4); } while (0)
-#endif // PARPORT_USE_PPDEV
+#endif /* PARPORT_USE_PPDEV */
/* tap_move[i][j]: tap movement command to go from state i to state j
* 0: Test-Logic-Reset
* 4: Shift-IR
* 5: Pause-IR
*/
-static uint8_t amt_jtagaccel_tap_move[6][6][2] =
-{
+static uint8_t amt_jtagaccel_tap_move[6][6][2] = {
/* RESET IDLE DRSHIFT DRPAUSE IRSHIFT IRPAUSE */
- {{0x1f, 0x00}, {0x0f, 0x00}, {0x05, 0x00}, {0x0a, 0x00}, {0x06, 0x00}, {0x96, 0x00}}, /* RESET */
- {{0x1f, 0x00}, {0x00, 0x00}, {0x04, 0x00}, {0x05, 0x00}, {0x06, 0x00}, {0x0b, 0x00}}, /* IDLE */
- {{0x1f, 0x00}, {0x0d, 0x00}, {0x00, 0x00}, {0x01, 0x00}, {0x8f, 0x09}, {0x8f, 0x01}}, /* DRSHIFT */
- {{0x1f, 0x00}, {0x0c, 0x00}, {0x08, 0x00}, {0x00, 0x00}, {0x8f, 0x09}, {0x8f, 0x01}}, /* DRPAUSE */
- {{0x1f, 0x00}, {0x0d, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x00, 0x00}, {0x01, 0x00}}, /* IRSHIFT */
- {{0x1f, 0x00}, {0x0c, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x08, 0x00}, {0x00, 0x00}}, /* IRPAUSE */
+ { {0x1f, 0x00}, {0x0f, 0x00}, {0x05, 0x00}, {0x0a, 0x00}, {0x06, 0x00}, {0x96, 0x00} }, /* RESET */
+ { {0x1f, 0x00}, {0x00, 0x00}, {0x04, 0x00}, {0x05, 0x00}, {0x06, 0x00}, {0x0b, 0x00} }, /* IDLE */
+ { {0x1f, 0x00}, {0x0d, 0x00}, {0x00, 0x00}, {0x01, 0x00}, {0x8f, 0x09}, {0x8f, 0x01} }, /* DRSHIFT */
+ { {0x1f, 0x00}, {0x0c, 0x00}, {0x08, 0x00}, {0x00, 0x00}, {0x8f, 0x09}, {0x8f, 0x01} }, /* DRPAUSE */
+ { {0x1f, 0x00}, {0x0d, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x00, 0x00}, {0x01, 0x00} }, /* IRSHIFT */
+ { {0x1f, 0x00}, {0x0c, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x08, 0x00}, {0x00, 0x00} }, /* IRPAUSE */
};
-
static void amt_jtagaccel_reset(int trst, int srst)
{
if (trst == 1)
{
if (tap_is_state_stable(state))
tap_set_end_state(state);
- else
- {
+ else {
LOG_ERROR("BUG: %i is not a valid end state", state);
exit(-1);
}
while (((ar_status) & 0x80) && (timeout-- > 0))
AMT_AR(ar_status);
- if (ar_status & 0x80)
- {
- LOG_ERROR("amt_jtagaccel timed out while waiting for end of scan, rtck was %s, last AR_STATUS: 0x%2.2x", (rtck_enabled) ? "enabled" : "disabled", ar_status);
+ if (ar_status & 0x80) {
+ LOG_ERROR(
+ "amt_jtagaccel timed out while waiting for end of scan, rtck was %s, last AR_STATUS: 0x%2.2x",
+ (rtck_enabled) ? "enabled" : "disabled",
+ ar_status);
exit(-1);
}
}
uint8_t aw_scan_tms_5;
uint8_t tms_scan[2];
- tap_state_t cur_state = tap_get_state();
- tap_state_t end_state = tap_get_end_state();
+ tap_state_t cur_state = tap_get_state();
+ tap_state_t end_state = tap_get_end_state();
tms_scan[0] = amt_jtagaccel_tap_move[tap_move_ndx(cur_state)][tap_move_ndx(end_state)][0];
tms_scan[1] = amt_jtagaccel_tap_move[tap_move_ndx(cur_state)][tap_move_ndx(end_state)][1];
aw_scan_tms_5 = 0x40 | (tms_scan[0] & 0x1f);
AMT_AW(aw_scan_tms_5);
+ int jtag_speed = 0;
int retval = jtag_get_speed(&jtag_speed);
assert(retval == ERROR_OK);
if (jtag_speed > 3 || rtck_enabled)
amt_wait_scan_busy();
- if (tms_scan[0] & 0x80)
- {
+ if (tms_scan[0] & 0x80) {
aw_scan_tms_5 = 0x40 | (tms_scan[1] & 0x1f);
AMT_AW(aw_scan_tms_5);
if (jtag_speed > 3 || rtck_enabled)
tap_state_t saved_end_state = tap_get_end_state();
/* only do a state_move when we're not already in IDLE */
- if (tap_get_state() != TAP_IDLE)
- {
+ if (tap_get_state() != TAP_IDLE) {
amt_jtagaccel_end_state(TAP_IDLE);
amt_jtagaccel_state_move();
}
- while (num_cycles - i >= 5)
- {
+ while (num_cycles - i >= 5) {
aw_scan_tms_5 = 0x40;
AMT_AW(aw_scan_tms_5);
i += 5;
}
- if (num_cycles - i > 0)
- {
+ if (num_cycles - i > 0) {
aw_scan_tms_1to4 = 0x80 | ((num_cycles - i - 1) & 0x3) << 4;
AMT_AW(aw_scan_tms_1to4);
}
else
amt_jtagaccel_end_state(TAP_DRSHIFT);
- amt_jtagaccel_state_move();
+ /* Only move if we're not already there */
+ if (tap_get_state() != tap_get_end_state())
+ amt_jtagaccel_state_move();
+
amt_jtagaccel_end_state(saved_end_state);
/* handle unaligned bits at the beginning */
- if ((scan_size - 1) % 8)
- {
+ if ((scan_size - 1) % 8) {
aw_tdi_option = 0x30 | (((scan_size - 1) % 8) - 1);
AMT_AW(aw_tdi_option);
if (jtag_speed_var > 3 || rtck_enabled)
amt_wait_scan_busy();
- if ((type == SCAN_IN) || (type == SCAN_IO))
- {
+ if ((type == SCAN_IN) || (type == SCAN_IO)) {
AMT_DR(dr_tdo);
dr_tdo = dr_tdo >> (8 - ((scan_size - 1) % 8));
buf_set_u32(buffer, bit_count, (scan_size - 1) % 8, dr_tdo);
bits_left -= (scan_size - 1) % 8;
}
- while (bits_left - 1 >= 8)
- {
+ while (bits_left - 1 >= 8) {
dw_tdi_scan = buf_get_u32(buffer, bit_count, 8) & 0xff;
AMT_DW(dw_tdi_scan);
if (jtag_speed_var > 3 || rtck_enabled)
amt_wait_scan_busy();
- if ((type == SCAN_IN) || (type == SCAN_IO))
- {
+ if ((type == SCAN_IN) || (type == SCAN_IO)) {
AMT_DR(dr_tdo);
buf_set_u32(buffer, bit_count, 8, dr_tdo);
}
bits_left -= 8;
}
- tms_scan[0] = amt_jtagaccel_tap_move[tap_move_ndx(tap_get_state())][tap_move_ndx(tap_get_end_state())][0];
- tms_scan[1] = amt_jtagaccel_tap_move[tap_move_ndx(tap_get_state())][tap_move_ndx(tap_get_end_state())][1];
+ tms_scan[0] =
+ amt_jtagaccel_tap_move[tap_move_ndx(tap_get_state())][tap_move_ndx(tap_get_end_state())][0];
+ tms_scan[1] =
+ amt_jtagaccel_tap_move[tap_move_ndx(tap_get_state())][tap_move_ndx(tap_get_end_state())][1];
aw_tms_scan = 0x40 | (tms_scan[0] & 0x1f) | (buf_get_u32(buffer, bit_count, 1) << 5);
AMT_AW(aw_tms_scan);
if (jtag_speed_var > 3 || rtck_enabled)
amt_wait_scan_busy();
- if ((type == SCAN_IN) || (type == SCAN_IO))
- {
+ if ((type == SCAN_IN) || (type == SCAN_IO)) {
AMT_DR(dr_tdo);
dr_tdo = dr_tdo >> 7;
buf_set_u32(buffer, bit_count, 1, dr_tdo);
}
- if (tms_scan[0] & 0x80)
- {
+ if (tms_scan[0] & 0x80) {
aw_tms_scan = 0x40 | (tms_scan[1] & 0x1f);
AMT_AW(aw_tms_scan);
if (jtag_speed_var > 3 || rtck_enabled)
static int amt_jtagaccel_execute_queue(void)
{
- struct jtag_command *cmd = jtag_command_queue; /* currently processed command */
+ struct jtag_command *cmd = jtag_command_queue; /* currently processed command */
int scan_size;
enum scan_type type;
uint8_t *buffer;
*/
retval = ERROR_OK;
- while (cmd)
- {
- switch (cmd->type)
- {
+ while (cmd) {
+ switch (cmd->type) {
case JTAG_RESET:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
+ LOG_DEBUG("reset trst: %i srst %i",
+ cmd->cmd.reset->trst,
+ cmd->cmd.reset->srst);
#endif
if (cmd->cmd.reset->trst == 1)
- {
tap_set_state(TAP_RESET);
- }
amt_jtagaccel_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
break;
case JTAG_RUNTEST:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
+ LOG_DEBUG("runtest %i cycles, end in %i",
+ cmd->cmd.runtest->num_cycles,
+ cmd->cmd.runtest->end_state);
#endif
amt_jtagaccel_end_state(cmd->cmd.runtest->end_state);
amt_jtagaccel_runtest(cmd->cmd.runtest->num_cycles);
version.dwOSVersionInfoSize = sizeof version;
if (!GetVersionEx(&version)) {
- errno = EINVAL;
- return -1;
+ errno = EINVAL;
+ return -1;
}
if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
- return 0;
-
- h = CreateFile("\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+ return 0;
+
+ h = CreateFile("\\\\.\\giveio",
+ GENERIC_READ,
+ 0,
+ NULL,
+ OPEN_EXISTING,
+ FILE_ATTRIBUTE_NORMAL,
+ NULL);
if (h == INVALID_HANDLE_VALUE) {
- errno = ENODEV;
- return -1;
+ errno = ENODEV;
+ return -1;
}
CloseHandle(h);
uint8_t ar_status;
#if PARPORT_USE_PPDEV == 1
- if (device_handle > 0)
- {
+ if (device_handle > 0) {
LOG_ERROR("device is already opened");
return ERROR_JTAG_INIT_FAILED;
}
snprintf(buffer, 256, "/dev/parport%d", amt_jtagaccel_port);
device_handle = open(buffer, O_RDWR);
- if (device_handle < 0)
- {
- LOG_ERROR("cannot open device. check it exists and that user read and write rights are set");
+ if (device_handle < 0) {
+ LOG_ERROR(
+ "cannot open device. check it exists and that user read and write rights are set");
return ERROR_JTAG_INIT_FAILED;
}
i = ioctl(device_handle, PPCLAIM);
- if (i < 0)
- {
+ if (i < 0) {
LOG_ERROR("cannot claim device");
return ERROR_JTAG_INIT_FAILED;
}
i = IEEE1284_MODE_EPP;
- i = ioctl(device_handle, PPSETMODE, & i);
- if (i < 0)
- {
+ i = ioctl(device_handle, PPSETMODE, &i);
+ if (i < 0) {
LOG_ERROR(" cannot set compatible mode to device");
return ERROR_JTAG_INIT_FAILED;
}
i = ioctl(device_handle, PPWCONTROL, &control_port);
#else
- if (amt_jtagaccel_port == 0)
- {
+ if (amt_jtagaccel_port == 0) {
amt_jtagaccel_port = 0x378;
LOG_WARNING("No parport port specified, using default '0x378' (LPT1)");
}
#if PARPORT_USE_GIVEIO == 1
if (amt_jtagaccel_get_giveio_access() != 0) {
-#else /* PARPORT_USE_GIVEIO */
+#else /* PARPORT_USE_GIVEIO */
if (ioperm(amt_jtagaccel_port, 5, 1) != 0) {
-#endif /* PARPORT_USE_GIVEIO */
+#endif /* PARPORT_USE_GIVEIO */
LOG_ERROR("missing privileges for direct i/o");
return ERROR_JTAG_INIT_FAILED;
}
- /* prepare epp port */
- /* clear timeout */
+ /* prepare epp port
+ * clear timeout */
status_port = inb(amt_jtagaccel_port + 1);
outb(status_port | 0x1, amt_jtagaccel_port + 1);
outb(0x04, amt_jtagaccel_port + 2);
#endif
- if (rtck_enabled)
- {
+ if (rtck_enabled) {
/* set RTCK enable bit */
aw_control_fsm |= 0x02;
}
aw_control_fsm |= 0x04;
AMT_AW(aw_control_fsm);
- int jtag_speed_var;
- int retval = jtag_get_speed(&jtag_speed_var);
- amt_jtagaccel_speed(jtag_speed_var);
-
enum reset_types jtag_reset_config = jtag_get_reset_config();
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
aw_control_rst &= ~0x8;
COMMAND_HANDLER(amt_jtagaccel_handle_parport_port_command)
{
- if (CMD_ARGC == 1)
- {
+ if (CMD_ARGC == 1) {
/* only if the port wasn't overwritten by cmdline */
- if (amt_jtagaccel_port == 0)
- {
+ if (amt_jtagaccel_port == 0) {
uint16_t port;
COMMAND_PARSE_NUMBER(u16, CMD_ARGV[0], port);
amt_jtagaccel_port = port;
- }
- else
- {
+ } else {
LOG_ERROR("The parport port was already configured!");
return ERROR_FAIL;
}
COMMAND_HANDLER(amt_jtagaccel_handle_rtck_command)
{
- if (CMD_ARGC == 0)
- {
- command_print(CMD_CTX, "amt_jtagaccel RTCK feature %s", (rtck_enabled) ? "enabled" : "disabled");
+ if (CMD_ARGC == 0) {
+ command_print(CMD_CTX,
+ "amt_jtagaccel RTCK feature %s",
+ (rtck_enabled) ? "enabled" : "disabled");
return ERROR_OK;
- }
- else
- {
+ } else {
if (strcmp(CMD_ARGV[0], "enabled") == 0)
- {
rtck_enabled = 1;
- }
else
- {
rtck_enabled = 0;
- }
}
return ERROR_OK;
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