Zach Welch <zw@superlucidity.net> refactor
git-svn-id: svn://svn.berlios.de/openocd/trunk@1498 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe
parent
97a5e7a608
commit
66db8e7bb4
341
src/jtag/jlink.c
341
src/jtag/jlink.c
|
|
@ -230,31 +230,26 @@ static int jlink_speed(int speed)
|
|||
{
|
||||
int result;
|
||||
|
||||
if (speed <= JLINK_MAX_SPEED)
|
||||
if (speed > JLINK_MAX_SPEED)
|
||||
{
|
||||
/* check for RTCK setting */
|
||||
if (speed == 0)
|
||||
speed = -1;
|
||||
|
||||
usb_out_buffer[0] = EMU_CMD_SET_SPEED;
|
||||
usb_out_buffer[1] = (speed >> 0) & 0xff;
|
||||
usb_out_buffer[2] = (speed >> 8) & 0xff;
|
||||
|
||||
result = jlink_usb_write(jlink_jtag_handle, 3);
|
||||
|
||||
if (result == 3)
|
||||
{
|
||||
return ERROR_OK;
|
||||
}
|
||||
else
|
||||
{
|
||||
LOG_ERROR("J-Link setting speed failed (%d)", result);
|
||||
return ERROR_JTAG_DEVICE_ERROR;
|
||||
}
|
||||
LOG_INFO("Ignoring speed request: %dkHz exceeds %dkHz maximum",
|
||||
speed, JLINK_MAX_SPEED);
|
||||
return ERROR_OK;
|
||||
}
|
||||
else
|
||||
|
||||
/* check for RTCK setting */
|
||||
if (speed == 0)
|
||||
speed = -1;
|
||||
|
||||
usb_out_buffer[0] = EMU_CMD_SET_SPEED;
|
||||
usb_out_buffer[1] = (speed >> 0) & 0xff;
|
||||
usb_out_buffer[2] = (speed >> 8) & 0xff;
|
||||
|
||||
result = jlink_usb_write(jlink_jtag_handle, 3);
|
||||
if (result != 3)
|
||||
{
|
||||
LOG_INFO("Requested speed %dkHz exceeds maximum of %dkHz, ignored", speed, JLINK_MAX_SPEED);
|
||||
LOG_ERROR("J-Link setting speed failed (%d)", result);
|
||||
return ERROR_JTAG_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
return ERROR_OK;
|
||||
|
|
@ -485,53 +480,55 @@ static int jlink_get_status(void)
|
|||
int result;
|
||||
|
||||
jlink_simple_command(EMU_CMD_GET_STATE);
|
||||
|
||||
result = jlink_usb_read(jlink_jtag_handle, 8);
|
||||
|
||||
if (result == 8)
|
||||
{
|
||||
int vref = usb_in_buffer[0] + (usb_in_buffer[1] << 8);
|
||||
LOG_INFO("Vref = %d.%d TCK = %d TDI = %d TDO = %d TMS = %d SRST = %d TRST = %d\n", \
|
||||
vref / 1000, vref % 1000, \
|
||||
usb_in_buffer[2], usb_in_buffer[3], usb_in_buffer[4], \
|
||||
usb_in_buffer[5], usb_in_buffer[6], usb_in_buffer[7]);
|
||||
|
||||
if (vref < 1500)
|
||||
{
|
||||
LOG_ERROR("Vref too low. Check Target Power\n");
|
||||
}
|
||||
}
|
||||
else
|
||||
if (result != 8)
|
||||
{
|
||||
LOG_ERROR("J-Link command EMU_CMD_GET_STATE failed (%d)\n", result);
|
||||
return ERROR_JTAG_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
int vref = usb_in_buffer[0] + (usb_in_buffer[1] << 8);
|
||||
LOG_INFO("Vref = %d.%d TCK = %d TDI = %d TDO = %d TMS = %d SRST = %d TRST = %d\n", \
|
||||
vref / 1000, vref % 1000, \
|
||||
usb_in_buffer[2], usb_in_buffer[3], usb_in_buffer[4], \
|
||||
usb_in_buffer[5], usb_in_buffer[6], usb_in_buffer[7]);
|
||||
|
||||
if (vref < 1500)
|
||||
LOG_ERROR("Vref too low. Check Target Power\n");
|
||||
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
static int jlink_get_version_info(void)
|
||||
{
|
||||
int result;
|
||||
int len = 0;
|
||||
int len;
|
||||
|
||||
/* query hardware version */
|
||||
jlink_simple_command(EMU_CMD_VERSION);
|
||||
|
||||
result = jlink_usb_read(jlink_jtag_handle, 2);
|
||||
|
||||
if (result == 2)
|
||||
if (2 != result)
|
||||
{
|
||||
len = buf_get_u32(usb_in_buffer, 0, 16);
|
||||
result = jlink_usb_read(jlink_jtag_handle, len);
|
||||
|
||||
if (result == len)
|
||||
{
|
||||
usb_in_buffer[result] = 0;
|
||||
LOG_INFO("%s", (char *)usb_in_buffer);
|
||||
return ERROR_OK;
|
||||
}
|
||||
LOG_ERROR("J-Link command EMU_CMD_VERSION failed (%d)\n",
|
||||
result);
|
||||
return ERROR_JTAG_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
LOG_ERROR("J-Link command EMU_CMD_VERSION failed (%d)\n", result);
|
||||
return ERROR_JTAG_DEVICE_ERROR;
|
||||
len = buf_get_u32(usb_in_buffer, 0, 16);
|
||||
result = jlink_usb_read(jlink_jtag_handle, len);
|
||||
if (result != len)
|
||||
{
|
||||
LOG_ERROR("J-Link command EMU_CMD_VERSION failed (%d)\n",
|
||||
result);
|
||||
return ERROR_JTAG_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
usb_in_buffer[result] = 0;
|
||||
LOG_INFO("%s", (char *)usb_in_buffer);
|
||||
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
static int jlink_handle_jlink_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
|
||||
|
|
@ -551,7 +548,7 @@ static int jlink_handle_jlink_info_command(struct command_context_s *cmd_ctx, ch
|
|||
/* 2048 is the max value we can use here */
|
||||
#define JLINK_TAP_BUFFER_SIZE 2048
|
||||
|
||||
static int tap_length;
|
||||
static unsigned tap_length;
|
||||
static u8 tms_buffer[JLINK_TAP_BUFFER_SIZE];
|
||||
static u8 tdi_buffer[JLINK_TAP_BUFFER_SIZE];
|
||||
static u8 tdo_buffer[JLINK_TAP_BUFFER_SIZE];
|
||||
|
|
@ -593,40 +590,32 @@ static void jlink_tap_append_step(int tms, int tdi)
|
|||
last_tms = tms;
|
||||
int index = tap_length / 8;
|
||||
|
||||
if (index < JLINK_TAP_BUFFER_SIZE)
|
||||
if (index >= JLINK_TAP_BUFFER_SIZE)
|
||||
{
|
||||
int bit_index = tap_length % 8;
|
||||
u8 bit = 1 << bit_index;
|
||||
|
||||
if (tms)
|
||||
{
|
||||
tms_buffer[index] |= bit;
|
||||
}
|
||||
else
|
||||
{
|
||||
tms_buffer[index] &= ~bit;
|
||||
}
|
||||
|
||||
if (tdi)
|
||||
{
|
||||
tdi_buffer[index] |= bit;
|
||||
}
|
||||
else
|
||||
{
|
||||
tdi_buffer[index] &= ~bit;
|
||||
}
|
||||
|
||||
tap_length++;
|
||||
LOG_ERROR("jlink_tap_append_step: overflow");
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
int bit_index = tap_length % 8;
|
||||
u8 bit = 1 << bit_index;
|
||||
|
||||
if (tms)
|
||||
tms_buffer[index] |= bit;
|
||||
else
|
||||
{
|
||||
LOG_ERROR("jlink_tap_append_step, overflow");
|
||||
}
|
||||
tms_buffer[index] &= ~bit;
|
||||
|
||||
if (tdi)
|
||||
tdi_buffer[index] |= bit;
|
||||
else
|
||||
tdi_buffer[index] &= ~bit;
|
||||
|
||||
tap_length++;
|
||||
}
|
||||
|
||||
static void jlink_tap_append_scan(int length, u8 *buffer, scan_command_t *command)
|
||||
{
|
||||
pending_scan_result_t *pending_scan_result = &pending_scan_results_buffer[pending_scan_results_length];
|
||||
pending_scan_result_t *pending_scan_result =
|
||||
&pending_scan_results_buffer[pending_scan_results_length];
|
||||
int i;
|
||||
|
||||
pending_scan_result->first = tap_length;
|
||||
|
|
@ -636,7 +625,9 @@ static void jlink_tap_append_scan(int length, u8 *buffer, scan_command_t *comman
|
|||
|
||||
for (i = 0; i < length; i++)
|
||||
{
|
||||
jlink_tap_append_step((i < length-1 ? 0 : 1), (buffer[i/8] >> (i%8)) & 1);
|
||||
int tms = i < length - 1 ? 0 : 1;
|
||||
int tdi = buffer[i / 8] & (1 << (i % 8));
|
||||
jlink_tap_append_step(tms, tdi);
|
||||
}
|
||||
pending_scan_results_length++;
|
||||
}
|
||||
|
|
@ -651,82 +642,79 @@ static int jlink_tap_execute(void)
|
|||
int i;
|
||||
int result;
|
||||
|
||||
if (tap_length > 0)
|
||||
if (!tap_length)
|
||||
return ERROR_OK;
|
||||
|
||||
/* Pad last byte so that tap_length is divisible by 8 */
|
||||
while (tap_length % 8 != 0)
|
||||
{
|
||||
/* Pad last byte so that tap_length is divisible by 8 */
|
||||
while (tap_length % 8 != 0)
|
||||
{
|
||||
/* More of the last TMS value keeps us in the same state,
|
||||
* analogous to free-running JTAG interfaces. */
|
||||
jlink_tap_append_step(last_tms, 0);
|
||||
}
|
||||
/* More of the last TMS value keeps us in the same state,
|
||||
* analogous to free-running JTAG interfaces. */
|
||||
jlink_tap_append_step(last_tms, 0);
|
||||
}
|
||||
|
||||
byte_length = tap_length / 8;
|
||||
byte_length = tap_length / 8;
|
||||
|
||||
usb_out_buffer[0] = EMU_CMD_HW_JTAG3;
|
||||
usb_out_buffer[1] = 0;
|
||||
usb_out_buffer[2] = (tap_length >> 0) & 0xff;
|
||||
usb_out_buffer[3] = (tap_length >> 8) & 0xff;
|
||||
usb_out_buffer[0] = EMU_CMD_HW_JTAG3;
|
||||
usb_out_buffer[1] = 0;
|
||||
usb_out_buffer[2] = (tap_length >> 0) & 0xff;
|
||||
usb_out_buffer[3] = (tap_length >> 8) & 0xff;
|
||||
|
||||
tms_offset = 4;
|
||||
for (i = 0; i < byte_length; i++)
|
||||
{
|
||||
usb_out_buffer[tms_offset + i] = tms_buffer[i];
|
||||
}
|
||||
tms_offset = 4;
|
||||
for (i = 0; i < byte_length; i++)
|
||||
{
|
||||
usb_out_buffer[tms_offset + i] = tms_buffer[i];
|
||||
}
|
||||
|
||||
tdi_offset = tms_offset + byte_length;
|
||||
for (i = 0; i < byte_length; i++)
|
||||
{
|
||||
usb_out_buffer[tdi_offset + i] = tdi_buffer[i];
|
||||
}
|
||||
tdi_offset = tms_offset + byte_length;
|
||||
for (i = 0; i < byte_length; i++)
|
||||
{
|
||||
usb_out_buffer[tdi_offset + i] = tdi_buffer[i];
|
||||
}
|
||||
|
||||
result = jlink_usb_message(jlink_jtag_handle, 4 + 2 * byte_length, byte_length);
|
||||
result = jlink_usb_message(jlink_jtag_handle, 4 + 2 * byte_length, byte_length);
|
||||
|
||||
if (result == byte_length)
|
||||
{
|
||||
for (i = 0; i < byte_length; i++)
|
||||
{
|
||||
tdo_buffer[i] = usb_in_buffer[i];
|
||||
}
|
||||
if (result != byte_length)
|
||||
{
|
||||
LOG_ERROR("jlink_tap_execute, wrong result %d (expected %d)",
|
||||
result, byte_length);
|
||||
return ERROR_JTAG_QUEUE_FAILED;
|
||||
}
|
||||
|
||||
for (i = 0; i < pending_scan_results_length; i++)
|
||||
{
|
||||
pending_scan_result_t *pending_scan_result = &pending_scan_results_buffer[i];
|
||||
u8 *buffer = pending_scan_result->buffer;
|
||||
int length = pending_scan_result->length;
|
||||
int first = pending_scan_result->first;
|
||||
scan_command_t *command = pending_scan_result->command;
|
||||
for (i = 0; i < byte_length; i++)
|
||||
tdo_buffer[i] = usb_in_buffer[i];
|
||||
|
||||
/* Copy to buffer */
|
||||
buf_set_buf(tdo_buffer, first, buffer, 0, length);
|
||||
for (i = 0; i < pending_scan_results_length; i++)
|
||||
{
|
||||
pending_scan_result_t *pending_scan_result = &pending_scan_results_buffer[i];
|
||||
u8 *buffer = pending_scan_result->buffer;
|
||||
int length = pending_scan_result->length;
|
||||
int first = pending_scan_result->first;
|
||||
scan_command_t *command = pending_scan_result->command;
|
||||
|
||||
DEBUG_JTAG_IO("pending scan result, length = %d", length);
|
||||
/* Copy to buffer */
|
||||
buf_set_buf(tdo_buffer, first, buffer, 0, length);
|
||||
|
||||
DEBUG_JTAG_IO("pending scan result, length = %d", length);
|
||||
|
||||
#ifdef _DEBUG_USB_COMMS_
|
||||
jlink_debug_buffer(buffer, byte_length);
|
||||
jlink_debug_buffer(buffer, byte_length);
|
||||
#endif
|
||||
|
||||
if (jtag_read_buffer(buffer, command) != ERROR_OK)
|
||||
{
|
||||
jlink_tap_init();
|
||||
return ERROR_JTAG_QUEUE_FAILED;
|
||||
}
|
||||
|
||||
if (pending_scan_result->buffer != NULL)
|
||||
{
|
||||
free(pending_scan_result->buffer);
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
if (jtag_read_buffer(buffer, command) != ERROR_OK)
|
||||
{
|
||||
LOG_ERROR("jlink_tap_execute, wrong result %d, expected %d", result, byte_length);
|
||||
jlink_tap_init();
|
||||
return ERROR_JTAG_QUEUE_FAILED;
|
||||
}
|
||||
|
||||
jlink_tap_init();
|
||||
if (pending_scan_result->buffer != NULL)
|
||||
{
|
||||
free(pending_scan_result->buffer);
|
||||
}
|
||||
}
|
||||
|
||||
jlink_tap_init();
|
||||
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
|
|
@ -792,59 +780,48 @@ static int jlink_usb_message(jlink_jtag_t *jlink_jtag, int out_length, int in_le
|
|||
int result2;
|
||||
|
||||
result = jlink_usb_write(jlink_jtag, out_length);
|
||||
if (result == out_length)
|
||||
if (result != out_length)
|
||||
{
|
||||
result = jlink_usb_read(jlink_jtag, in_length);
|
||||
if (result == in_length || result == in_length+1)
|
||||
LOG_ERROR("usb_bulk_write failed (requested=%d, result=%d)",
|
||||
out_length, result);
|
||||
return ERROR_JTAG_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
result = jlink_usb_read(jlink_jtag, in_length);
|
||||
if ((result != in_length) && (result != in_length + 1))
|
||||
{
|
||||
LOG_ERROR("usb_bulk_read failed (requested=%d, result=%d)",
|
||||
in_length, result);
|
||||
return ERROR_JTAG_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
if (result == in_length)
|
||||
{
|
||||
/* Must read the result from the EMU too */
|
||||
result2 = jlink_usb_read_emu_result(jlink_jtag);
|
||||
if (1 != result2)
|
||||
{
|
||||
if (result == in_length)
|
||||
{
|
||||
/* Must read the result from the EMU too */
|
||||
result2 = jlink_usb_read_emu_result(jlink_jtag);
|
||||
if (1 == result2)
|
||||
{
|
||||
/* Check the result itself */
|
||||
if (0 == usb_emu_result_buffer[0])
|
||||
{
|
||||
return result;
|
||||
}
|
||||
else
|
||||
{
|
||||
LOG_ERROR("jlink_usb_read_emu_result (requested=0, result=%d)", usb_emu_result_buffer[0]);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
LOG_ERROR("jlink_usb_read_emu_result len (requested=1, result=%d)", result2);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Check the result itself */
|
||||
if (0 == usb_in_buffer[result-1])
|
||||
{
|
||||
return result-1;
|
||||
}
|
||||
else
|
||||
{
|
||||
LOG_ERROR("jlink_usb_read_emu_result (requested=0, result=%d)", usb_in_buffer[result]);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
LOG_ERROR("usb_bulk_read failed (requested=%d, result=%d)", in_length, result);
|
||||
return -1;
|
||||
LOG_ERROR("jlink_usb_read_emu_result failed "
|
||||
"(requested=1, result=%d)", result2);
|
||||
return ERROR_JTAG_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
/* Check the result itself */
|
||||
result2 = usb_emu_result_buffer[0];
|
||||
}
|
||||
else
|
||||
{
|
||||
LOG_ERROR("usb_bulk_write failed (requested=%d, result=%d)", out_length, result);
|
||||
return -1;
|
||||
/* Save the result, then remove it from return value */
|
||||
result2 = usb_in_buffer[result--];
|
||||
}
|
||||
|
||||
if (result2)
|
||||
{
|
||||
LOG_ERROR("jlink_usb_message failed with result=%d)", result2);
|
||||
return ERROR_JTAG_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/* calls the given usb_bulk_* function, allowing for the data to trickle in with some timeouts */
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user