#include "xsvf.h"
#include "jtag.h"
-#include <assert.h>
-
/* XSVF commands, from appendix B of xapp503.pdf */
#define XCOMPLETE 0x00
}
-/**
- * Function xsvf_add_statemove
- * moves from the current state to the goal \a state. This needs
- * to be handled according to the xsvf spec, see the XSTATE command
- * description.
- */
-static int xsvf_add_statemove(tap_state_t goal_state)
-{
- int retval = ERROR_OK;
-
- tap_state_t moves[8];
- tap_state_t cur_state = cmd_queue_cur_state;
- int i;
- int tms_bits;
- int tms_count;
-
- LOG_DEBUG( "cur_state=%s goal_state=%s",
- tap_state_name(cur_state),
- tap_state_name(goal_state) );
-
-
- /* From the XSVF spec, pertaining to XSTATE:
-
- For special states known as stable states (Test-Logic-Reset,
- Run-Test/Idle, Pause-DR, Pause- IR), an XSVF interpreter follows
- predefined TAP state paths when the starting state is a stable state and
- when the XSTATE specifies a new stable state (see the STATE command in
- the [Ref 5] for the TAP state paths between stable states). For
- non-stable states, XSTATE should specify a state that is only one TAP
- state transition distance from the current TAP state to avoid undefined
- TAP state paths. A sequence of multiple XSTATE commands can be issued to
- transition the TAP through a specific state path.
- */
-
- if (goal_state==cur_state )
- ; /* nothing to do */
-
- else if( goal_state==TAP_RESET )
- {
- jtag_add_tlr();
- }
-
- else if( tap_is_state_stable(cur_state) && tap_is_state_stable(goal_state) )
- {
- /* note: unless tms_bits holds a path that agrees with [Ref 5] in above
- spec, then this code is not fully conformant to the xsvf spec. This
- puts a burden on tap_get_tms_path() function from the xsvf spec.
- If in doubt, you should confirm that that burden is being met.
- */
-
- tms_bits = tap_get_tms_path(cur_state, goal_state);
- tms_count = tap_get_tms_path_len(cur_state, goal_state);
-
- assert( (unsigned) tms_count < DIM(moves) );
-
- for (i=0; i<tms_count; i++, tms_bits>>=1)
- {
- bool bit = tms_bits & 1;
-
- cur_state = tap_state_transition(cur_state, bit);
- moves[i] = cur_state;
- }
-
- jtag_add_pathmove(tms_count, moves);
- }
-
- /* else state must be immediately reachable in one clock cycle, and does not
- need to be a stable state.
- */
- else if( tap_state_transition(cur_state, true) == goal_state
- || tap_state_transition(cur_state, false) == goal_state )
- {
- /* move a single state */
- moves[0] = goal_state;
- jtag_add_pathmove( 1, moves );
- }
-
- else
- {
- retval = ERROR_FAIL;
- }
-
- return retval;
-}
-
int xsvf_register_commands(struct command_context_s *cmd_ctx)
{
return ERROR_OK;
}
-static int xsvf_read_buffer(int num_bits, int fd, u8* buf)
+static int xsvf_read_buffer(int num_bits, int fd, uint8_t* buf)
{
int num_bytes;
static int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
- u8 *dr_out_buf = NULL; /* from host to device (TDI) */
- u8 *dr_in_buf = NULL; /* from device to host (TDO) */
- u8 *dr_in_mask = NULL;
+ uint8_t *dr_out_buf = NULL; /* from host to device (TDI) */
+ uint8_t *dr_in_buf = NULL; /* from device to host (TDO) */
+ uint8_t *dr_in_mask = NULL;
int xsdrsize = 0;
int xruntest = 0; /* number of TCK cycles OR microseconds */
tap_state_t xendir = TAP_IDLE; /* see page 8 of the SVF spec, initial xendir to be TAP_IDLE */
tap_state_t xenddr = TAP_IDLE;
- u8 opcode;
- u8 uc;
+ uint8_t opcode;
+ uint8_t uc;
long file_offset = 0;
int loop_count = 0;
if (strcmp(args[0], "plain") != 0)
{
- tap = jtag_TapByString( args[0] );
+ tap = jtag_tap_by_string( args[0] );
if (!tap )
{
command_print( cmd_ctx, "Tap: %s unknown", args[0] );
case XRUNTEST:
{
- u8 xruntest_buf[4];
+ uint8_t xruntest_buf[4];
if (read(xsvf_fd, xruntest_buf, 4) < 0)
{
case XREPEAT:
{
- u8 myrepeat;
+ uint8_t myrepeat;
if (read(xsvf_fd, &myrepeat, 1) < 0)
do_abort = 1;
case XSDRSIZE:
{
- u8 xsdrsize_buf[4];
+ uint8_t xsdrsize_buf[4];
if (read(xsvf_fd, xsdrsize_buf, 4) < 0)
{
xsdrsize = be_to_h_u32(xsdrsize_buf);
LOG_DEBUG("XSDRSIZE %d", xsdrsize);
- if( dr_out_buf ) free(dr_out_buf);
- if( dr_in_buf) free(dr_in_buf);
- if( dr_in_mask) free(dr_in_mask);
+ if ( dr_out_buf ) free(dr_out_buf);
+ if ( dr_in_buf) free(dr_in_buf);
+ if ( dr_in_mask) free(dr_in_mask);
dr_out_buf = malloc((xsdrsize + 7) / 8);
dr_in_buf = malloc((xsdrsize + 7) / 8);
if (opcode == XSDRTDO)
{
- if(xsvf_read_buffer(xsdrsize, xsvf_fd, dr_in_buf) != ERROR_OK )
+ if (xsvf_read_buffer(xsdrsize, xsvf_fd, dr_in_buf) != ERROR_OK )
{
do_abort = 1;
break;
{
scan_field_t field;
- if( attempt>0 )
+ if ( attempt>0 )
{
/* perform the XC9500 exception handling sequence shown in xapp067.pdf and
illustrated in psuedo code at end of this file. We start from state
field.in_value = calloc(CEIL(field.num_bits, 8), 1);
if (tap == NULL)
- jtag_add_plain_dr_scan(1, &field, TAP_DRPAUSE);
+ jtag_add_plain_dr_scan(1, &field, jtag_set_end_state(TAP_DRPAUSE));
else
- jtag_add_dr_scan(1, &field, TAP_DRPAUSE);
+ jtag_add_dr_scan(1, &field, jtag_set_end_state(TAP_DRPAUSE));
jtag_check_value_mask(&field, dr_in_buf, dr_in_mask);
/* See page 19 of XSVF spec regarding opcode "XSDR" */
if (xruntest)
{
- xsvf_add_statemove(TAP_IDLE);
+ jtag_add_statemove(TAP_IDLE);
if (runtest_requires_tck)
jtag_add_clocks(xruntest);
jtag_add_sleep(xruntest);
}
else if (xendir != TAP_DRPAUSE) /* we are already in TAP_DRPAUSE */
- xsvf_add_statemove(xenddr);
+ jtag_add_statemove(xenddr);
}
break;
case XSTATE:
{
tap_state_t mystate;
- u8 uc;
+ uint8_t uc;
if (read(xsvf_fd, &uc, 1) < 0)
{
the XSTATE.
*/
- if( xsvf_add_statemove( mystate ) != ERROR_OK )
+ if ( jtag_add_statemove( mystate ) != ERROR_OK )
{
/* For special states known as stable states
(Test-Logic-Reset, Run-Test/Idle, Pause-DR, Pause- IR),
}
/* see page 22 of XSVF spec */
- if( uc == 0 )
+ if ( uc == 0 )
xendir = TAP_IDLE;
- else if( uc == 1 )
+ else if ( uc == 1 )
xendir = TAP_IRPAUSE;
else
{
}
/* see page 22 of XSVF spec */
- if( uc == 0 )
+ if ( uc == 0 )
xenddr = TAP_IDLE;
- else if( uc == 1 )
+ else if ( uc == 1 )
xenddr = TAP_DRPAUSE;
else
{
case XSIR:
case XSIR2:
{
- u8 short_buf[2];
- u8* ir_buf;
+ uint8_t short_buf[2];
+ uint8_t* ir_buf;
int bitcount;
tap_state_t my_end_state = xruntest ? TAP_IDLE : xendir;
- if( opcode == XSIR )
+ if ( opcode == XSIR )
{
/* one byte bitcount */
if (read(xsvf_fd, short_buf, 1) < 0)
/* LOG_DEBUG("FLUSHING QUEUE"); */
result = jtag_execute_queue();
- if(result != ERROR_OK)
+ if (result != ERROR_OK)
{
tdo_mismatch = 1;
}
case XWAIT:
{
/* expected in stream:
- XWAIT <u8 wait_state> <u8 end_state> <u32 usecs>
+ XWAIT <uint8_t wait_state> <uint8_t end_state> <uint32_t usecs>
*/
- u8 wait;
- u8 end;
- u8 delay_buf[4];
+ uint8_t wait;
+ uint8_t end;
+ uint8_t delay_buf[4];
tap_state_t wait_state;
tap_state_t end_state;
}
else
{
- xsvf_add_statemove( wait_state );
+ jtag_add_statemove( wait_state );
jtag_add_sleep(delay);
- xsvf_add_statemove( end_state );
+ jtag_add_statemove( end_state );
}
}
break;
case XWAITSTATE:
{
/* expected in stream:
- XWAITSTATE <u8 wait_state> <u8 end_state> <u32 clock_count> <u32 usecs>
+ XWAITSTATE <uint8_t wait_state> <uint8_t end_state> <uint32_t clock_count> <uint32_t usecs>
*/
- u8 clock_buf[4];
- u8 usecs_buf[4];
- u8 wait;
- u8 end;
+ uint8_t clock_buf[4];
+ uint8_t usecs_buf[4];
+ uint8_t wait;
+ uint8_t end;
tap_state_t wait_state;
tap_state_t end_state;
int clock_count;
unsupported = 1;
}
- xsvf_add_statemove( wait_state );
+ jtag_add_statemove( wait_state );
jtag_add_clocks( clock_count );
jtag_add_sleep( usecs );
- xsvf_add_statemove( end_state );
+ jtag_add_statemove( end_state );
}
break;
case LCOUNT:
{
/* expected in stream:
- LCOUNT <u32 loop_count>
+ LCOUNT <uint32_t loop_count>
*/
- u8 count_buf[4];
+ uint8_t count_buf[4];
if ( read(xsvf_fd, count_buf, 4) < 0 )
{
case LDELAY:
{
/* expected in stream:
- LDELAY <u8 wait_state> <u32 clock_count> <u32 usecs_to_sleep>
+ LDELAY <uint8_t wait_state> <uint32_t clock_count> <uint32_t usecs_to_sleep>
*/
- u8 state;
- u8 clock_buf[4];
- u8 usecs_buf[4];
+ uint8_t state;
+ uint8_t clock_buf[4];
+ uint8_t usecs_buf[4];
if ( read(xsvf_fd, &state, 1) < 0
|| read(xsvf_fd, clock_buf, 4) < 0
{
scan_field_t field;
- xsvf_add_statemove( loop_state );
+ jtag_add_statemove( loop_state );
jtag_add_clocks(loop_clocks);
jtag_add_sleep(loop_usecs);
LOG_USER("LSDR retry %d", attempt);
if (tap == NULL)
- jtag_add_plain_dr_scan(1, &field, TAP_DRPAUSE);
+ jtag_add_plain_dr_scan(1, &field, jtag_set_end_state(TAP_DRPAUSE));
else
- jtag_add_dr_scan(1, &field, TAP_DRPAUSE);
+ jtag_add_dr_scan(1, &field, jtag_set_end_state(TAP_DRPAUSE));
jtag_check_value_mask(&field, dr_in_buf, dr_in_mask);
/* LOG_DEBUG("FLUSHING QUEUE"); */
result = jtag_execute_queue();
- if(result == ERROR_OK)
+ if (result == ERROR_OK)
{
matched = 1;
break;
case XTRST:
{
- u8 trst_mode;
+ uint8_t trst_mode;
if (read(xsvf_fd, &trst_mode, 1) < 0)
{
LOG_DEBUG("xsvf failed, setting taps to reasonable state");
/* upon error, return the TAPs to a reasonable state */
- xsvf_add_statemove( TAP_IDLE );
+ jtag_add_statemove( TAP_IDLE );
jtag_execute_queue();
break;
}
if (unsupported)
{
+ off_t offset = lseek(xsvf_fd, 0, SEEK_CUR) - 1;
command_print(cmd_ctx,
- "unsupported xsvf command: 0x%02X in xsvf file at offset %ld, aborting",
- uc, lseek(xsvf_fd, 0, SEEK_CUR)-1 );
+ "unsupported xsvf command (0x%02X) at offset %jd, aborting",
+ uc, (intmax_t)offset);
return ERROR_FAIL;
}
projects / fw / openocd / blobdiff