static int device_handle;
#endif
-int gw16012_execute_queue(void);
-int gw16012_register_commands(struct command_context_s *cmd_ctx);
-int gw16012_speed(int speed);
-int gw16012_init(void);
-int gw16012_quit(void);
+static int gw16012_execute_queue(void);
+static int gw16012_register_commands(struct command_context_s *cmd_ctx);
+static int gw16012_speed(int speed);
+static int gw16012_init(void);
+static int gw16012_quit(void);
-int gw16012_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+static int gw16012_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
jtag_interface_t gw16012_interface =
{
.quit = gw16012_quit,
};
-int gw16012_register_commands(struct command_context_s *cmd_ctx)
+static int gw16012_register_commands(struct command_context_s *cmd_ctx)
{
register_command(cmd_ctx, NULL, "parport_port", gw16012_handle_parport_port_command,
COMMAND_CONFIG, NULL);
return ERROR_OK;
}
-void gw16012_data(u8 value)
+static void gw16012_data(u8 value)
{
value = (value & 0x7f) | gw16012_msb;
gw16012_msb ^= 0x80; /* toggle MSB */
#endif
}
-void gw16012_control(u8 value)
+static void gw16012_control(u8 value)
{
if (value != gw16012_control_value)
{
}
}
-void gw16012_input(u8 *value)
+static void gw16012_input(u8 *value)
{
#if PARPORT_USE_PPDEV == 1
ioctl(device_handle, PPRSTATUS, value);
}
/* (1) assert or (0) deassert reset lines */
-void gw16012_reset(int trst, int srst)
+static void gw16012_reset(int trst, int srst)
{
LOG_DEBUG("trst: %i, srst: %i", trst, srst);
gw16012_control(0x0b);
}
-int gw16012_speed(int speed)
+static int gw16012_speed(int speed)
{
return ERROR_OK;
}
-void gw16012_end_state(int state)
+static void gw16012_end_state(tap_state_t state)
{
- if (tap_move_map[state] != -1)
- end_state = state;
+ if (tap_is_state_stable(state))
+ tap_set_end_state(state);
else
{
LOG_ERROR("BUG: %i is not a valid end state", state);
}
}
-void gw16012_state_move(void)
+static void gw16012_state_move(void)
{
int i=0, tms=0;
- u8 tms_scan = TAP_MOVE(cur_state, end_state);
+ u8 tms_scan = tap_get_tms_path(tap_get_state(), tap_get_end_state());
gw16012_control(0x0); /* single-bit mode */
gw16012_data(tms << 1); /* output next TMS bit */
}
- cur_state = end_state;
+ tap_set_state(tap_get_end_state());
}
-void gw16012_path_move(pathmove_command_t *cmd)
+static void gw16012_path_move(pathmove_command_t *cmd)
{
int num_states = cmd->num_states;
int state_count;
while (num_states)
{
gw16012_control(0x0); /* single-bit mode */
- if (tap_transitions[cur_state].low == cmd->path[state_count])
+ if (tap_state_transition(tap_get_state(), false) == cmd->path[state_count])
{
gw16012_data(0x0); /* TCK cycle with TMS low */
}
- else if (tap_transitions[cur_state].high == cmd->path[state_count])
+ else if (tap_state_transition(tap_get_state(), true) == cmd->path[state_count])
{
gw16012_data(0x2); /* TCK cycle with TMS high */
}
else
{
- LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[state_count]]);
+ LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(tap_get_state()), tap_state_name(cmd->path[state_count]));
exit(-1);
}
- cur_state = cmd->path[state_count];
+ tap_set_state(cmd->path[state_count]);
state_count++;
num_states--;
}
- end_state = cur_state;
+ tap_set_end_state(tap_get_state());
}
-void gw16012_runtest(int num_cycles)
+static void gw16012_runtest(int num_cycles)
{
- enum tap_state saved_end_state = end_state;
+ tap_state_t saved_end_state = tap_get_end_state();
int i;
- /* only do a state_move when we're not already in RTI */
- if (cur_state != TAP_IDLE)
+ /* only do a state_move when we're not already in IDLE */
+ if (tap_get_state() != TAP_IDLE)
{
gw16012_end_state(TAP_IDLE);
gw16012_state_move();
}
gw16012_end_state(saved_end_state);
- if (cur_state != end_state)
+ if (tap_get_state() != tap_get_end_state())
gw16012_state_move();
}
-void gw16012_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
+static void gw16012_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
{
int bits_left = scan_size;
int bit_count = 0;
- enum tap_state saved_end_state = end_state;
+ tap_state_t saved_end_state = tap_get_end_state();
u8 scan_out, scan_in;
/* only if we're not already in the correct Shift state */
- if (!((!ir_scan && (cur_state == TAP_DRSHIFT)) || (ir_scan && (cur_state == TAP_IRSHIFT))))
+ if (!((!ir_scan && (tap_get_state() == TAP_DRSHIFT)) || (ir_scan && (tap_get_state() == TAP_IRSHIFT))))
{
if (ir_scan)
gw16012_end_state(TAP_IRSHIFT);
if (bits_left == 0) /* last bit */
{
- if ((ir_scan && (end_state == TAP_IRSHIFT))
- || (!ir_scan && (end_state == TAP_DRSHIFT)))
+ if ((ir_scan && (tap_get_end_state() == TAP_IRSHIFT))
+ || (!ir_scan && (tap_get_end_state() == TAP_DRSHIFT)))
{
tms = 0;
}
bit_count++;
}
- if (!((ir_scan && (end_state == TAP_IRSHIFT)) ||
- (!ir_scan && (end_state == TAP_DRSHIFT))))
+ if (!((ir_scan && (tap_get_end_state() == TAP_IRSHIFT)) ||
+ (!ir_scan && (tap_get_end_state() == TAP_DRSHIFT))))
{
gw16012_data(0x0);
if (ir_scan)
- cur_state = TAP_IRPAUSE;
+ tap_set_state(TAP_IRPAUSE);
else
- cur_state = TAP_DRPAUSE;
+ tap_set_state(TAP_DRPAUSE);
- if (cur_state != end_state)
+ if (tap_get_state() != tap_get_end_state())
gw16012_state_move();
}
}
-int gw16012_execute_queue(void)
+static int gw16012_execute_queue(void)
{
jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
int scan_size;
#ifdef _DEBUG_JTAG_IO_
LOG_DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
#endif
- if (cmd->cmd.end_state->end_state != -1)
+ if (cmd->cmd.end_state->end_state != TAP_INVALID)
gw16012_end_state(cmd->cmd.end_state->end_state);
break;
case JTAG_RESET:
#endif
if (cmd->cmd.reset->trst == 1)
{
- cur_state = TAP_RESET;
+ tap_set_state(TAP_RESET);
}
gw16012_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
break;
#ifdef _DEBUG_JTAG_IO_
LOG_DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
#endif
- if (cmd->cmd.runtest->end_state != -1)
+ if (cmd->cmd.runtest->end_state != TAP_INVALID)
gw16012_end_state(cmd->cmd.runtest->end_state);
gw16012_runtest(cmd->cmd.runtest->num_cycles);
break;
#ifdef _DEBUG_JTAG_IO_
LOG_DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
#endif
- if (cmd->cmd.statemove->end_state != -1)
+ if (cmd->cmd.statemove->end_state != TAP_INVALID)
gw16012_end_state(cmd->cmd.statemove->end_state);
gw16012_state_move();
break;
gw16012_path_move(cmd->cmd.pathmove);
break;
case JTAG_SCAN:
- if (cmd->cmd.scan->end_state != -1)
+ if (cmd->cmd.scan->end_state != TAP_INVALID)
gw16012_end_state(cmd->cmd.scan->end_state);
scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
type = jtag_scan_type(cmd->cmd.scan);
}
#if PARPORT_USE_GIVEIO == 1
-int gw16012_get_giveio_access()
+static int gw16012_get_giveio_access(void)
{
- HANDLE h;
- OSVERSIONINFO version;
-
- version.dwOSVersionInfoSize = sizeof version;
- if (!GetVersionEx( &version )) {
- errno = EINVAL;
- return -1;
- }
- if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
- return 0;
+ HANDLE h;
+ OSVERSIONINFO version;
- h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
- if (h == INVALID_HANDLE_VALUE) {
- errno = ENODEV;
- return -1;
- }
+ version.dwOSVersionInfoSize = sizeof version;
+ if (!GetVersionEx( &version )) {
+ errno = EINVAL;
+ return -1;
+ }
+ if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
+ return 0;
- CloseHandle( h );
+ h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
+ if (h == INVALID_HANDLE_VALUE) {
+ errno = ENODEV;
+ return -1;
+ }
- return 0;
-}
-#endif
+ CloseHandle( h );
-int gw16012_init(void)
-{
-#if PARPORT_USE_PPDEV == 1
- char buffer[256];
- int i = 0;
+ return 0;
+}
#endif
- u8 status_port;
#if PARPORT_USE_PPDEV == 1
- if (device_handle>0)
- {
- LOG_ERROR("device is already opened");
- return ERROR_JTAG_INIT_FAILED;
- }
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- LOG_DEBUG("opening /dev/ppi%d...", gw16012_port);
- snprintf(buffer, 256, "/dev/ppi%d", gw16012_port);
- device_handle = open(buffer, O_WRONLY);
-#else
- LOG_DEBUG("opening /dev/parport%d...", gw16012_port);
+#define GW16012_PPDEV_NAME "ppi"
- snprintf(buffer, 256, "/dev/parport%d", gw16012_port);
- device_handle = open(buffer, O_WRONLY);
-#endif
- if (device_handle<0)
+static int gw16012_init_ioctls(void)
+{
+ int temp = 0;
+ temp = ioctl(device_handle, PPCLAIM);
+ if (temp < 0)
{
- LOG_ERROR("cannot open device. check it exists and that user read and write rights are set");
+ LOG_ERROR("cannot claim device");
return ERROR_JTAG_INIT_FAILED;
}
- LOG_DEBUG("...open");
+ temp = PARPORT_MODE_COMPAT;
+ temp = ioctl(device_handle, PPSETMODE, &temp);
+ if (temp < 0)
+ {
+ LOG_ERROR(" cannot set compatible mode to device");
+ return ERROR_JTAG_INIT_FAILED;
+ }
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- i=ioctl(device_handle, PPCLAIM);
- if (i<0)
+ temp = IEEE1284_MODE_COMPAT;
+ temp = ioctl(device_handle, PPNEGOT, &temp);
+ if (temp < 0)
{
- LOG_ERROR("cannot claim device");
+ LOG_ERROR("cannot set compatible 1284 mode to device");
return ERROR_JTAG_INIT_FAILED;
}
+ return ERROR_OK;
+}
+#else
+
+#define GW16012_PPDEV_NAME "parport"
- i = PARPORT_MODE_COMPAT;
- i= ioctl(device_handle, PPSETMODE, & i);
- if (i<0)
+static int gw16012_init_ioctls(void)
+{
+ return ERROR_OK;
+}
+
+#endif // defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+
+static int gw16012_init_device(void)
+{
+ const char *device_name = GW16012_PPDEV_NAME;
+ char buffer[256];
+
+ if (device_handle > 0)
{
- LOG_ERROR(" cannot set compatible mode to device");
+ LOG_ERROR("device is already opened");
return ERROR_JTAG_INIT_FAILED;
}
- i = IEEE1284_MODE_COMPAT;
- i = ioctl(device_handle, PPNEGOT, & i);
- if (i<0)
+ snprintf(buffer, 256, "/dev/%s%d", device_name, gw16012_port);
+ LOG_DEBUG("opening %s...", buffer);
+
+ device_handle = open(buffer, O_WRONLY);
+ if (device_handle<0)
{
- LOG_ERROR("cannot set compatible 1284 mode to device");
+ LOG_ERROR("cannot open device. check it exists and that user read and write rights are set");
return ERROR_JTAG_INIT_FAILED;
}
-#endif
-#else
+
+ LOG_DEBUG("...open");
+
+ if (gw16012_init_ioctls() != ERROR_OK)
+ return ERROR_JTAG_INIT_FAILED;
+
+ return ERROR_OK;
+}
+
+#else // PARPORT_USE_PPDEV
+
+static int gw16012_init_device(void)
+{
if (gw16012_port == 0)
{
gw16012_port = 0x378;
#else
outb(0x0, gw16012_port + 2);
#endif
-#endif /* PARPORT_USE_PPDEV */
+ return ERROR_OK;
+}
+
+#endif // PARPORT_USE_PPDEV
+
+static int gw16012_init(void)
+{
+ u8 status_port;
+
+ if (gw16012_init_device() != ERROR_OK)
+ return ERROR_JTAG_INIT_FAILED;
gw16012_input(&status_port);
gw16012_msb = (status_port & 0x80) ^ 0x80;
return ERROR_OK;
}
-int gw16012_quit(void)
+static int gw16012_quit(void)
{
return ERROR_OK;
}
-int gw16012_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+static int gw16012_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
if (argc == 0)
return ERROR_OK;
projects / fw / openocd / blobdiff