#include "config.h"
#endif
-#include "replacements.h"
+#include "interface.h"
+#include "commands.h"
-#include "jtag.h"
#if 1
#define _DEBUG_GW16012_IO_
/* -ino: 060521-1036 */
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-#include <sys/types.h>
#include <machine/sysarch.h>
#include <machine/cpufunc.h>
#define ioperm(startport,length,enable)\
#else
-#ifdef _WIN32
-#include "errno.h"
-#endif /* _WIN32 */
-
#endif /* __FreeBSD__, __FreeBSD_kernel__ */
-#include <string.h>
-#include <stdlib.h>
#if PARPORT_USE_PPDEV == 1
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
#endif
#endif
-#if PARPORT_USE_GIVEIO == 1
-#if IS_CYGWIN == 1
+#if PARPORT_USE_GIVEIO == 1 && IS_CYGWIN == 1
#include <windows.h>
-#include <errno.h>
-#endif
#endif
-#include "log.h"
/* configuration */
-u16 gw16012_port;
+uint16_t gw16012_port;
/* interface variables
*/
-static u8 gw16012_msb = 0x0;
-static u8 gw16012_control_value = 0x0;
+static uint8_t gw16012_msb = 0x0;
+static uint8_t gw16012_control_value = 0x0;
#if PARPORT_USE_PPDEV == 1
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);
-
-int gw16012_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
-jtag_interface_t gw16012_interface =
-{
- .name = "gw16012",
-
- .execute_queue = gw16012_execute_queue,
-
- .speed = gw16012_speed,
- .register_commands = gw16012_register_commands,
- .init = gw16012_init,
- .quit = gw16012_quit,
-};
-
-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(uint8_t value)
{
value = (value & 0x7f) | gw16012_msb;
gw16012_msb ^= 0x80; /* toggle MSB */
#endif
}
-void gw16012_control(u8 value)
+static void gw16012_control(uint8_t value)
{
if (value != gw16012_control_value)
{
}
}
-void gw16012_input(u8 *value)
+static void gw16012_input(uint8_t *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_is_state_stable(state))
tap_set_end_state(state);
}
}
-void gw16012_state_move(void)
+static void gw16012_state_move(void)
{
- int i=0, tms=0;
- u8 tms_scan = tap_get_tms_path(tap_get_state(), tap_get_end_state());
+ int i = 0, tms = 0;
+ uint8_t tms_scan = tap_get_tms_path(tap_get_state(), tap_get_end_state());
+ int tms_count = tap_get_tms_path_len(tap_get_state(), tap_get_end_state());
gw16012_control(0x0); /* single-bit mode */
- for (i = 0; i < 7; i++)
+ for (i = 0; i < tms_count; i++)
{
tms = (tms_scan >> i) & 1;
gw16012_data(tms << 1); /* output next TMS bit */
tap_set_state(tap_get_end_state());
}
-void gw16012_path_move(pathmove_command_t *cmd)
+static void gw16012_path_move(struct pathmove_command *cmd)
{
int num_states = cmd->num_states;
int state_count;
tap_set_end_state(tap_get_state());
}
-void gw16012_runtest(int num_cycles)
+static void gw16012_runtest(int num_cycles)
{
tap_state_t saved_end_state = tap_get_end_state();
int i;
gw16012_state_move();
}
-void gw16012_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
+static void gw16012_scan(bool ir_scan, enum scan_type type, uint8_t *buffer, int scan_size)
{
int bits_left = scan_size;
int bit_count = 0;
tap_state_t saved_end_state = tap_get_end_state();
- u8 scan_out, scan_in;
+ uint8_t scan_out, scan_in;
/* only if we're not already in the correct Shift state */
if (!((!ir_scan && (tap_get_state() == TAP_DRSHIFT)) || (ir_scan && (tap_get_state() == TAP_IRSHIFT))))
gw16012_control(0x0); /* single-bit mode */
while (bits_left-- > 0)
{
- u8 tms = 0;
+ uint8_t tms = 0;
scan_out = buf_get_u32(buffer, bit_count, 1);
}
}
-int gw16012_execute_queue(void)
+static int gw16012_execute_queue(void)
{
- jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
+ struct jtag_command *cmd = jtag_command_queue; /* currently processed command */
int scan_size;
enum scan_type type;
- u8 *buffer;
+ uint8_t *buffer;
int retval;
/* return ERROR_OK, unless a jtag_read_buffer returns a failed check
{
switch (cmd->type)
{
- case JTAG_END_STATE:
-#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
-#endif
- if (cmd->cmd.end_state->end_state != -1)
- gw16012_end_state(cmd->cmd.end_state->end_state);
- break;
case JTAG_RESET:
#ifdef _DEBUG_JTAG_IO_
LOG_DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
#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)
- gw16012_end_state(cmd->cmd.runtest->end_state);
+ gw16012_end_state(cmd->cmd.runtest->end_state);
gw16012_runtest(cmd->cmd.runtest->num_cycles);
break;
case JTAG_STATEMOVE:
#ifdef _DEBUG_JTAG_IO_
LOG_DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
#endif
- if (cmd->cmd.statemove->end_state != -1)
- gw16012_end_state(cmd->cmd.statemove->end_state);
+ gw16012_end_state(cmd->cmd.statemove->end_state);
gw16012_state_move();
break;
case JTAG_PATHMOVE:
gw16012_path_move(cmd->cmd.pathmove);
break;
case JTAG_SCAN:
- if (cmd->cmd.scan->end_state != -1)
- gw16012_end_state(cmd->cmd.scan->end_state);
+ gw16012_end_state(cmd->cmd.scan->end_state);
scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
type = jtag_scan_type(cmd->cmd.scan);
#ifdef _DEBUG_JTAG_IO_
}
#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 )) {
+ if (!GetVersionEx(&version)) {
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 );
+ h = CreateFile("\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (h == INVALID_HANDLE_VALUE) {
errno = ENODEV;
return -1;
}
- CloseHandle( h );
+ CloseHandle(h);
return 0;
}
#endif
-int gw16012_init(void)
-{
-#if PARPORT_USE_PPDEV == 1
- char buffer[256];
- int i = 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;
LOG_WARNING("No gw16012 port specified, using default '0x378' (LPT1)");
}
- LOG_DEBUG("requesting privileges for parallel port 0x%lx...", (long unsigned)(gw16012_port) );
+ LOG_DEBUG("requesting privileges for parallel port 0x%lx...", (long unsigned)(gw16012_port));
#if PARPORT_USE_GIVEIO == 1
if (gw16012_get_giveio_access() != 0)
#else /* PARPORT_USE_GIVEIO */
#else
outb(0x0, gw16012_port + 2);
#endif
-#endif /* PARPORT_USE_PPDEV */
+ return ERROR_OK;
+}
+
+#endif // PARPORT_USE_PPDEV
+
+static int gw16012_init(void)
+{
+ uint8_t status_port;
+
+ if (gw16012_init_device() != ERROR_OK)
+ return ERROR_JTAG_INIT_FAILED;
gw16012_input(&status_port);
gw16012_msb = (status_port & 0x80) ^ 0x80;
- gw16012_speed(jtag_speed);
+ gw16012_speed(jtag_get_speed());
gw16012_reset(0, 0);
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)
+COMMAND_HANDLER(gw16012_handle_parport_port_command)
{
- if (argc == 0)
- return ERROR_OK;
+ if (CMD_ARGC == 1)
+ {
+ /* only if the port wasn't overwritten by cmdline */
+ if (gw16012_port == 0)
+ {
+ COMMAND_PARSE_NUMBER(u16, CMD_ARGV[0], gw16012_port);
+ }
+ else
+ {
+ LOG_ERROR("The parport port was already configured!");
+ return ERROR_FAIL;
+ }
+ }
- /* only if the port wasn't overwritten by cmdline */
- if (gw16012_port == 0)
- gw16012_port = strtoul(args[0], NULL, 0);
+ command_print(CMD_CTX, "parport port = %u", gw16012_port);
return ERROR_OK;
}
+
+static const struct command_registration gw16012_command_handlers[] = {
+ {
+ .name = "parport_port",
+ .handler = &gw16012_handle_parport_port_command,
+ .mode = COMMAND_CONFIG,
+ .help = "configure the parallel port to use",
+ .usage = "<port_num>",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
+struct jtag_interface gw16012_interface = {
+ .name = "gw16012",
+ .commands = gw16012_command_handlers,
+ .init = &gw16012_init,
+ .quit = &gw16012_quit,
+ .speed = &gw16012_speed,
+ .execute_queue = &gw16012_execute_queue,
+ };
projects / fw / openocd / blobdiff