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Diffstat (limited to 'board/esd/common/xilinx_jtag/micro.c')
| -rw-r--r-- | board/esd/common/xilinx_jtag/micro.c | 1864 |
1 files changed, 1864 insertions, 0 deletions
diff --git a/board/esd/common/xilinx_jtag/micro.c b/board/esd/common/xilinx_jtag/micro.c new file mode 100644 index 0000000000..f21c23599d --- /dev/null +++ b/board/esd/common/xilinx_jtag/micro.c @@ -0,0 +1,1864 @@ +/* + * (C) Copyright 2003 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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 + */ + +/***************************************************************************** + * file: micro.c + * abstract: This file contains the function, xsvfExecute(), + * call for interpreting the XSVF commands. + * Usage: Call xsvfExecute() to process XSVF data. + * The XSVF data is retrieved by readByte() in ports.c + * Remove the main function if you already have one. + * Options: XSVF_SUPPORT_COMPRESSION + * This define supports the XC9500/XL compression scheme. + * This define adds support for XSDRINC and XSETSDRMASKS. + * XSVF_SUPPORT_ERRORCODES + * This define causes the xsvfExecute function to return + * an error code for specific errors. See error codes below. + * If this is not defined, the return value defaults to the + * legacy values for backward compatibility: + * 1 = success; 0 = failure. + * Debugging: DEBUG_MODE (Legacy name) + * Define DEBUG_MODE to compile with debugging features. + * Both micro.c and ports.c must be compiled with the DEBUG_MODE + * defined to enable the standalone main implementation in + * micro.c that reads XSVF from a file. + * History: v2.00 - Original XSVF implementation. + * v4.04 - Added delay at end of XSIR for XC18v00 support. + * Added new commands for CoolRunner support: + * XSTATE, XENDIR, XENDDR + * v4.05 - Cleanup micro.c but leave ports.c intact. + * v4.06 - Fix xsvfGotoTapState for retry transition. + * v4.07 - Update example waitTime implementations for + * compatibility with Virtex-II. + * v4.10 - Add new XSIR2 command that supports a 2-byte + * IR-length parameter for IR shifts > 255 bits. + * v4.11 - No change. Update version to match SVF2XSVF xlator. + * v4.14 - Added XCOMMENT. + * v5.00 - Improve XSTATE support. + * Added XWAIT. + *****************************************************************************/ + +#include <common.h> +#include <command.h> +#include <asm/processor.h> + +#include "micro.h" +#include "lenval.h" +#include "ports.h" + + +extern const unsigned char fpgadata[]; +extern int filesize; + + +/*============================================================================ + * XSVF #define + ============================================================================*/ + +#define XSVF_VERSION "5.00" + +/***************************************************************************** + * Define: XSVF_SUPPORT_COMPRESSION + * Description: Define this to support the XC9500/XL XSVF data compression + * scheme. + * Code size can be reduced by NOT supporting this feature. + * However, you must use the -nc (no compress) option when + * translating SVF to XSVF using the SVF2XSVF translator. + * Corresponding, uncompressed XSVF may be larger. + *****************************************************************************/ +#ifndef XSVF_SUPPORT_COMPRESSION +#define XSVF_SUPPORT_COMPRESSION 1 +#endif + +/***************************************************************************** + * Define: XSVF_SUPPORT_ERRORCODES + * Description: Define this to support the new XSVF error codes. + * (The original XSVF player just returned 1 for success and + * 0 for an unspecified failure.) + *****************************************************************************/ +#ifndef XSVF_SUPPORT_ERRORCODES +#define XSVF_SUPPORT_ERRORCODES 1 +#endif + +#ifdef XSVF_SUPPORT_ERRORCODES +#define XSVF_ERRORCODE(errorCode) errorCode +#else /* Use legacy error code */ +#define XSVF_ERRORCODE(errorCode) ((errorCode==XSVF_ERROR_NONE)?1:0) +#endif /* XSVF_SUPPORT_ERRORCODES */ + + +/*============================================================================ + * DEBUG_MODE #define + ============================================================================*/ +#define DEBUG_MODE + +#ifdef DEBUG_MODE +#define XSVFDBG_PRINTF(iDebugLevel,pzFormat) \ + { if ( xsvf_iDebugLevel >= iDebugLevel ) \ + printf( pzFormat ); } +#define XSVFDBG_PRINTF1(iDebugLevel,pzFormat,arg1) \ + { if ( xsvf_iDebugLevel >= iDebugLevel ) \ + printf( pzFormat, arg1 ); } +#define XSVFDBG_PRINTF2(iDebugLevel,pzFormat,arg1,arg2) \ + { if ( xsvf_iDebugLevel >= iDebugLevel ) \ + printf( pzFormat, arg1, arg2 ); } +#define XSVFDBG_PRINTF3(iDebugLevel,pzFormat,arg1,arg2,arg3) \ + { if ( xsvf_iDebugLevel >= iDebugLevel ) \ + printf( pzFormat, arg1, arg2, arg3 ); } +#define XSVFDBG_PRINTLENVAL(iDebugLevel,plenVal) \ + { if ( xsvf_iDebugLevel >= iDebugLevel ) \ + xsvfPrintLenVal(plenVal); } +#else /* !DEBUG_MODE */ +#define XSVFDBG_PRINTF(iDebugLevel,pzFormat) +#define XSVFDBG_PRINTF1(iDebugLevel,pzFormat,arg1) +#define XSVFDBG_PRINTF2(iDebugLevel,pzFormat,arg1,arg2) +#define XSVFDBG_PRINTF3(iDebugLevel,pzFormat,arg1,arg2,arg3) +#define XSVFDBG_PRINTLENVAL(iDebugLevel,plenVal) +#endif /* DEBUG_MODE */ + + +/*============================================================================ + * XSVF Type Declarations + ============================================================================*/ + +/***************************************************************************** + * Struct: SXsvfInfo + * Description: This structure contains all of the data used during the + * execution of the XSVF. Some data is persistent, predefined + * information (e.g. lRunTestTime). The bulk of this struct's + * size is due to the lenVal structs (defined in lenval.h) + * which contain buffers for the active shift data. The MAX_LEN + * #define in lenval.h defines the size of these buffers. + * These buffers must be large enough to store the longest + * shift data in your XSVF file. For example: + * MAX_LEN >= ( longest_shift_data_in_bits / 8 ) + * Because the lenVal struct dominates the space usage of this + * struct, the rough size of this struct is: + * sizeof( SXsvfInfo ) ~= MAX_LEN * 7 (number of lenVals) + * xsvfInitialize() contains initialization code for the data + * in this struct. + * xsvfCleanup() contains cleanup code for the data in this + * struct. + *****************************************************************************/ +typedef struct tagSXsvfInfo +{ + /* XSVF status information */ + unsigned char ucComplete; /* 0 = running; 1 = complete */ + unsigned char ucCommand; /* Current XSVF command byte */ + long lCommandCount; /* Number of commands processed */ + int iErrorCode; /* An error code. 0 = no error. */ + + /* TAP state/sequencing information */ + unsigned char ucTapState; /* Current TAP state */ + unsigned char ucEndIR; /* ENDIR TAP state (See SVF) */ + unsigned char ucEndDR; /* ENDDR TAP state (See SVF) */ + + /* RUNTEST information */ + unsigned char ucMaxRepeat; /* Max repeat loops (for xc9500/xl) */ + long lRunTestTime; /* Pre-specified RUNTEST time (usec) */ + + /* Shift Data Info and Buffers */ + long lShiftLengthBits; /* Len. current shift data in bits */ + short sShiftLengthBytes; /* Len. current shift data in bytes */ + + lenVal lvTdi; /* Current TDI shift data */ + lenVal lvTdoExpected; /* Expected TDO shift data */ + lenVal lvTdoCaptured; /* Captured TDO shift data */ + lenVal lvTdoMask; /* TDO mask: 0=dontcare; 1=compare */ + +#ifdef XSVF_SUPPORT_COMPRESSION + /* XSDRINC Data Buffers */ + lenVal lvAddressMask; /* Address mask for XSDRINC */ + lenVal lvDataMask; /* Data mask for XSDRINC */ + lenVal lvNextData; /* Next data for XSDRINC */ +#endif /* XSVF_SUPPORT_COMPRESSION */ +} SXsvfInfo; + +/* Declare pointer to functions that perform XSVF commands */ +typedef int (*TXsvfDoCmdFuncPtr)( SXsvfInfo* ); + +/*============================================================================ + * XSVF Command Bytes + ============================================================================*/ + +/* encodings of xsvf instructions */ +#define XCOMPLETE 0 +#define XTDOMASK 1 +#define XSIR 2 +#define XSDR 3 +#define XRUNTEST 4 +/* Reserved 5 */ +/* Reserved 6 */ +#define XREPEAT 7 +#define XSDRSIZE 8 +#define XSDRTDO 9 +#define XSETSDRMASKS 10 +#define XSDRINC 11 +#define XSDRB 12 +#define XSDRC 13 +#define XSDRE 14 +#define XSDRTDOB 15 +#define XSDRTDOC 16 +#define XSDRTDOE 17 +#define XSTATE 18 /* 4.00 */ +#define XENDIR 19 /* 4.04 */ +#define XENDDR 20 /* 4.04 */ +#define XSIR2 21 /* 4.10 */ +#define XCOMMENT 22 /* 4.14 */ +#define XWAIT 23 /* 5.00 */ +/* Insert new commands here */ +/* and add corresponding xsvfDoCmd function to xsvf_pfDoCmd below. */ +#define XLASTCMD 24 /* Last command marker */ + + +/*============================================================================ + * XSVF Command Parameter Values + ============================================================================*/ + +#define XSTATE_RESET 0 /* 4.00 parameter for XSTATE */ +#define XSTATE_RUNTEST 1 /* 4.00 parameter for XSTATE */ + +#define XENDXR_RUNTEST 0 /* 4.04 parameter for XENDIR/DR */ +#define XENDXR_PAUSE 1 /* 4.04 parameter for XENDIR/DR */ + +/* TAP states */ +#define XTAPSTATE_RESET 0x00 +#define XTAPSTATE_RUNTEST 0x01 /* a.k.a. IDLE */ +#define XTAPSTATE_SELECTDR 0x02 +#define XTAPSTATE_CAPTUREDR 0x03 +#define XTAPSTATE_SHIFTDR 0x04 +#define XTAPSTATE_EXIT1DR 0x05 +#define XTAPSTATE_PAUSEDR 0x06 +#define XTAPSTATE_EXIT2DR 0x07 +#define XTAPSTATE_UPDATEDR 0x08 +#define XTAPSTATE_IRSTATES 0x09 /* All IR states begin here */ +#define XTAPSTATE_SELECTIR 0x09 +#define XTAPSTATE_CAPTUREIR 0x0A +#define XTAPSTATE_SHIFTIR 0x0B +#define XTAPSTATE_EXIT1IR 0x0C +#define XTAPSTATE_PAUSEIR 0x0D +#define XTAPSTATE_EXIT2IR 0x0E +#define XTAPSTATE_UPDATEIR 0x0F + +/*============================================================================ + * XSVF Function Prototypes + ============================================================================*/ + +int xsvfDoIllegalCmd( SXsvfInfo* pXsvfInfo ); /* Illegal command function */ +int xsvfDoXCOMPLETE( SXsvfInfo* pXsvfInfo ); +int xsvfDoXTDOMASK( SXsvfInfo* pXsvfInfo ); +int xsvfDoXSIR( SXsvfInfo* pXsvfInfo ); +int xsvfDoXSIR2( SXsvfInfo* pXsvfInfo ); +int xsvfDoXSDR( SXsvfInfo* pXsvfInfo ); +int xsvfDoXRUNTEST( SXsvfInfo* pXsvfInfo ); +int xsvfDoXREPEAT( SXsvfInfo* pXsvfInfo ); +int xsvfDoXSDRSIZE( SXsvfInfo* pXsvfInfo ); +int xsvfDoXSDRTDO( SXsvfInfo* pXsvfInfo ); +int xsvfDoXSETSDRMASKS( SXsvfInfo* pXsvfInfo ); +int xsvfDoXSDRINC( SXsvfInfo* pXsvfInfo ); +int xsvfDoXSDRBCE( SXsvfInfo* pXsvfInfo ); +int xsvfDoXSDRTDOBCE( SXsvfInfo* pXsvfInfo ); +int xsvfDoXSTATE( SXsvfInfo* pXsvfInfo ); +int xsvfDoXENDXR( SXsvfInfo* pXsvfInfo ); +int xsvfDoXCOMMENT( SXsvfInfo* pXsvfInfo ); +int xsvfDoXWAIT( SXsvfInfo* pXsvfInfo ); +/* Insert new command functions here */ + +/*============================================================================ + * XSVF Global Variables + ============================================================================*/ + +/* Array of XSVF command functions. Must follow command byte value order! */ +/* If your compiler cannot take this form, then convert to a switch statement*/ +TXsvfDoCmdFuncPtr xsvf_pfDoCmd[] = +{ + xsvfDoXCOMPLETE, /* 0 */ + xsvfDoXTDOMASK, /* 1 */ + xsvfDoXSIR, /* 2 */ + xsvfDoXSDR, /* 3 */ + xsvfDoXRUNTEST, /* 4 */ + xsvfDoIllegalCmd, /* 5 */ + xsvfDoIllegalCmd, /* 6 */ + xsvfDoXREPEAT, /* 7 */ + xsvfDoXSDRSIZE, /* 8 */ + xsvfDoXSDRTDO, /* 9 */ +#ifdef XSVF_SUPPORT_COMPRESSION + xsvfDoXSETSDRMASKS, /* 10 */ + xsvfDoXSDRINC, /* 11 */ +#else + xsvfDoIllegalCmd, /* 10 */ + xsvfDoIllegalCmd, /* 11 */ +#endif /* XSVF_SUPPORT_COMPRESSION */ + xsvfDoXSDRBCE, /* 12 */ + xsvfDoXSDRBCE, /* 13 */ + xsvfDoXSDRBCE, /* 14 */ + xsvfDoXSDRTDOBCE, /* 15 */ + xsvfDoXSDRTDOBCE, /* 16 */ + xsvfDoXSDRTDOBCE, /* 17 */ + xsvfDoXSTATE, /* 18 */ + xsvfDoXENDXR, /* 19 */ + xsvfDoXENDXR, /* 20 */ + xsvfDoXSIR2, /* 21 */ + xsvfDoXCOMMENT, /* 22 */ + xsvfDoXWAIT /* 23 */ +/* Insert new command functions here */ +}; + +#ifdef DEBUG_MODE +char* xsvf_pzCommandName[] = +{ + "XCOMPLETE", + "XTDOMASK", + "XSIR", + "XSDR", + "XRUNTEST", + "Reserved5", + "Reserved6", + "XREPEAT", + "XSDRSIZE", + "XSDRTDO", + "XSETSDRMASKS", + "XSDRINC", + "XSDRB", + "XSDRC", + "XSDRE", + "XSDRTDOB", + "XSDRTDOC", + "XSDRTDOE", + "XSTATE", + "XENDIR", + "XENDDR", + "XSIR2", + "XCOMMENT", + "XWAIT" +}; + +char* xsvf_pzErrorName[] = +{ + "No error", + "ERROR: Unknown", + "ERROR: TDO mismatch", + "ERROR: TDO mismatch and exceeded max retries", + "ERROR: Unsupported XSVF command", + "ERROR: Illegal state specification", + "ERROR: Data overflows allocated MAX_LEN buffer size" +}; + +char* xsvf_pzTapState[] = +{ + "RESET", /* 0x00 */ + "RUNTEST/IDLE", /* 0x01 */ + "DRSELECT", /* 0x02 */ + "DRCAPTURE", /* 0x03 */ + "DRSHIFT", /* 0x04 */ + "DREXIT1", /* 0x05 */ + "DRPAUSE", /* 0x06 */ + "DREXIT2", /* 0x07 */ + "DRUPDATE", /* 0x08 */ + "IRSELECT", /* 0x09 */ + "IRCAPTURE", /* 0x0A */ + "IRSHIFT", /* 0x0B */ + "IREXIT1", /* 0x0C */ + "IRPAUSE", /* 0x0D */ + "IREXIT2", /* 0x0E */ + "IRUPDATE" /* 0x0F */ +}; +#endif /* DEBUG_MODE */ + +//#ifdef DEBUG_MODE +// FILE* in; /* Legacy DEBUG_MODE file pointer */ +int xsvf_iDebugLevel; +//#endif /* DEBUG_MODE */ + +/*============================================================================ + * Utility Functions + ============================================================================*/ + +/***************************************************************************** + * Function: xsvfPrintLenVal + * Description: Print the lenval value in hex. + * Parameters: plv - ptr to lenval. + * Returns: void. + *****************************************************************************/ +#ifdef DEBUG_MODE +void xsvfPrintLenVal( lenVal *plv ) +{ + int i; + + if ( plv ) + { + printf( "0x" ); + for ( i = 0; i < plv->len; ++i ) + { + printf( "%02x", ((unsigned int)(plv->val[ i ])) ); + } + } +} +#endif /* DEBUG_MODE */ + + +/***************************************************************************** + * Function: xsvfInfoInit + * Description: Initialize the xsvfInfo data. + * Parameters: pXsvfInfo - ptr to the XSVF info structure. + * Returns: int - 0 = success; otherwise error. + *****************************************************************************/ +int xsvfInfoInit( SXsvfInfo* pXsvfInfo ) +{ + XSVFDBG_PRINTF1( 4, " sizeof( SXsvfInfo ) = %d bytes\n", + sizeof( SXsvfInfo ) ); + + pXsvfInfo->ucComplete = 0; + pXsvfInfo->ucCommand = XCOMPLETE; + pXsvfInfo->lCommandCount = 0; + pXsvfInfo->iErrorCode = XSVF_ERROR_NONE; + pXsvfInfo->ucMaxRepeat = 0; + pXsvfInfo->ucTapState = XTAPSTATE_RESET; + pXsvfInfo->ucEndIR = XTAPSTATE_RUNTEST; + pXsvfInfo->ucEndDR = XTAPSTATE_RUNTEST; + pXsvfInfo->lShiftLengthBits = 0L; + pXsvfInfo->sShiftLengthBytes= 0; + pXsvfInfo->lRunTestTime = 0L; + + return( 0 ); +} + +/***************************************************************************** + * Function: xsvfInfoCleanup + * Description: Cleanup the xsvfInfo data. + * Parameters: pXsvfInfo - ptr to the XSVF info structure. + * Returns: void. + *****************************************************************************/ +void xsvfInfoCleanup( SXsvfInfo* pXsvfInfo ) +{ +} + +/***************************************************************************** + * Function: xsvfGetAsNumBytes + * Description: Calculate the number of bytes the given number of bits + * consumes. + * Parameters: lNumBits - the number of bits. + * Returns: short - the number of bytes to store the number of bits. + *****************************************************************************/ +short xsvfGetAsNumBytes( long lNumBits ) +{ + return( (short)( ( lNumBits + 7L ) / 8L ) ); +} + +/***************************************************************************** + * Function: xsvfTmsTransition + * Description: Apply TMS and transition TAP controller by applying one TCK + * cycle. + * Parameters: sTms - new TMS value. + * Returns: void. + *****************************************************************************/ +void xsvfTmsTransition( short sTms ) +{ + setPort( TMS, sTms ); + setPort( TCK, 0 ); + setPort( TCK, 1 ); +} + +/***************************************************************************** + * Function: xsvfGotoTapState + * Description: From the current TAP state, go to the named TAP state. + * A target state of RESET ALWAYS causes TMS reset sequence. + * All SVF standard stable state paths are supported. + * All state transitions are supported except for the following + * which cause an XSVF_ERROR_ILLEGALSTATE: + * - Target==DREXIT2; Start!=DRPAUSE + * - Target==IREXIT2; Start!=IRPAUSE + * Parameters: pucTapState - Current TAP state; returns final TAP state. + * ucTargetState - New target TAP state. + * Returns: int - 0 = success; otherwise error. + *****************************************************************************/ +int xsvfGotoTapState( unsigned char* pucTapState, + unsigned char ucTargetState ) +{ + int i; + int iErrorCode; + + iErrorCode = XSVF_ERROR_NONE; + if ( ucTargetState == XTAPSTATE_RESET ) + { + /* If RESET, always perform TMS reset sequence to reset/sync TAPs */ + xsvfTmsTransition( 1 ); + for ( i = 0; i < 5; ++i ) + { + setPort( TCK, 0 ); + setPort( TCK, 1 ); + } + *pucTapState = XTAPSTATE_RESET; + XSVFDBG_PRINTF( 3, " TMS Reset Sequence -> Test-Logic-Reset\n" ); + XSVFDBG_PRINTF1( 3, " TAP State = %s\n", + xsvf_pzTapState[ *pucTapState ] ); + } else if ( ( ucTargetState != *pucTapState ) && + ( ( ( ucTargetState == XTAPSTATE_EXIT2DR ) && ( *pucTapState != XTAPSTATE_PAUSEDR ) ) || + ( ( ucTargetState == XTAPSTATE_EXIT2IR ) && ( *pucTapState != XTAPSTATE_PAUSEIR ) ) ) ) + { + /* Trap illegal TAP state path specification */ + iErrorCode = XSVF_ERROR_ILLEGALSTATE; + } else { + if ( ucTargetState == *pucTapState ) + { + /* Already in target state. Do nothing except when in DRPAUSE + or in IRPAUSE to comply with SVF standard */ + if ( ucTargetState == XTAPSTATE_PAUSEDR ) + { + xsvfTmsTransition( 1 ); + *pucTapState = XTAPSTATE_EXIT2DR; + XSVFDBG_PRINTF1( 3, " TAP State = %s\n", + xsvf_pzTapState[ *pucTapState ] ); + } + else if ( ucTargetState == XTAPSTATE_PAUSEIR ) + { + xsvfTmsTransition( 1 ); + *pucTapState = XTAPSTATE_EXIT2IR; + XSVFDBG_PRINTF1( 3, " TAP State = %s\n", + xsvf_pzTapState[ *pucTapState ] ); + } + } + + /* Perform TAP state transitions to get to the target state */ + while ( ucTargetState != *pucTapState ) + { + switch ( *pucTapState ) + { + case XTAPSTATE_RESET: + xsvfTmsTransition( 0 ); + *pucTapState = XTAPSTATE_RUNTEST; + break; + case XTAPSTATE_RUNTEST: + xsvfTmsTransition( 1 ); + *pucTapState = XTAPSTATE_SELECTDR; + break; + case XTAPSTATE_SELECTDR: + if ( ucTargetState >= XTAPSTATE_IRSTATES ) + { + xsvfTmsTransition( 1 ); + *pucTapState = XTAPSTATE_SELECTIR; + } + else + { + xsvfTmsTransition( 0 ); + *pucTapState = XTAPSTATE_CAPTUREDR; + } + break; + case XTAPSTATE_CAPTUREDR: + if ( ucTargetState == XTAPSTATE_SHIFTDR ) + { + xsvfTmsTransition( 0 ); + *pucTapState = XTAPSTATE_SHIFTDR; + } + else + { + xsvfTmsTransition( 1 ); + *pucTapState = XTAPSTATE_EXIT1DR; + } + break; + case XTAPSTATE_SHIFTDR: + xsvfTmsTransition( 1 ); + *pucTapState = XTAPSTATE_EXIT1DR; + break; + case XTAPSTATE_EXIT1DR: + if ( ucTargetState == XTAPSTATE_PAUSEDR ) + { + xsvfTmsTransition( 0 ); + *pucTapState = XTAPSTATE_PAUSEDR; + } + else + { + xsvfTmsTransition( 1 ); + *pucTapState = XTAPSTATE_UPDATEDR; + } + break; + case XTAPSTATE_PAUSEDR: + xsvfTmsTransition( 1 ); + *pucTapState = XTAPSTATE_EXIT2DR; + break; + case XTAPSTATE_EXIT2DR: + if ( ucTargetState == XTAPSTATE_SHIFTDR ) + { + xsvfTmsTransition( 0 ); + *pucTapState = XTAPSTATE_SHIFTDR; + } + else + { + xsvfTmsTransition( 1 ); + *pucTapState = XTAPSTATE_UPDATEDR; + } + break; + case XTAPSTATE_UPDATEDR: + if ( ucTargetState == XTAPSTATE_RUNTEST ) + { + xsvfTmsTransition( 0 ); + *pucTapState = XTAPSTATE_RUNTEST; + } + else + { + xsvfTmsTransition( 1 ); + *pucTapState = XTAPSTATE_SELECTDR; + } + break; + case XTAPSTATE_SELECTIR: + xsvfTmsTransition( 0 ); + *pucTapState = XTAPSTATE_CAPTUREIR; + break; + case XTAPSTATE_CAPTUREIR: + if ( ucTargetState == XTAPSTATE_SHIFTIR ) + { + xsvfTmsTransition( 0 ); + *pucTapState = XTAPSTATE_SHIFTIR; + } + else + { + xsvfTmsTransition( 1 ); + *pucTapState = XTAPSTATE_EXIT1IR; + } + break; + case XTAPSTATE_SHIFTIR: + xsvfTmsTransition( 1 ); + *pucTapState = XTAPSTATE_EXIT1IR; + break; + case XTAPSTATE_EXIT1IR: + if ( ucTargetState == XTAPSTATE_PAUSEIR ) + { + xsvfTmsTransition( 0 ); + *pucTapState = XTAPSTATE_PAUSEIR; + } + else + { + xsvfTmsTransition( 1 ); + *pucTapState = XTAPSTATE_UPDATEIR; + } + break; + case XTAPSTATE_PAUSEIR: + xsvfTmsTransition( 1 ); + *pucTapState = XTAPSTATE_EXIT2IR; + break; + case XTAPSTATE_EXIT2IR: + if ( ucTargetState == XTAPSTATE_SHIFTIR ) + { + xsvfTmsTransition( 0 ); + *pucTapState = XTAPSTATE_SHIFTIR; + } + else + { + xsvfTmsTransition( 1 ); + *pucTapState = XTAPSTATE_UPDATEIR; + } + break; + case XTAPSTATE_UPDATEIR: + if ( ucTargetState == XTAPSTATE_RUNTEST ) + { + xsvfTmsTransition( 0 ); + *pucTapState = XTAPSTATE_RUNTEST; + } + else + { + xsvfTmsTransition( 1 ); + *pucTapState = XTAPSTATE_SELECTDR; + } + break; + default: + iErrorCode = XSVF_ERROR_ILLEGALSTATE; + *pucTapState = ucTargetState; /* Exit while loop */ + break; + } + XSVFDBG_PRINTF1( 3, " TAP State = %s\n", + xsvf_pzTapState[ *pucTapState ] ); + } + } + + return( iErrorCode ); +} + +/***************************************************************************** + * Function: xsvfShiftOnly + * Description: Assumes that starting TAP state is SHIFT-DR or SHIFT-IR. + * Shift the given TDI data into the JTAG scan chain. + * Optionally, save the TDO data shifted out of the scan chain. + * Last shift cycle is special: capture last TDO, set last TDI, + * but does not pulse TCK. Caller must pulse TCK and optionally + * set TMS=1 to exit shift state. + * Parameters: lNumBits - number of bits to shift. + * plvTdi - ptr to lenval for TDI data. + * plvTdoCaptured - ptr to lenval for storing captured TDO data. + * iExitShift - 1=exit at end of shift; 0=stay in Shift-DR. + * Returns: void. + *****************************************************************************/ +void xsvfShiftOnly( long lNumBits, + lenVal* plvTdi, + lenVal* plvTdoCaptured, + int iExitShift ) +{ + unsigned char* pucTdi; + unsigned char* pucTdo; + unsigned char ucTdiByte; + unsigned char ucTdoByte; + unsigned char ucTdoBit; + int i; + + /* assert( ( ( lNumBits + 7 ) / 8 ) == plvTdi->len ); */ + + /* Initialize TDO storage len == TDI len */ + pucTdo = 0; + if ( plvTdoCaptured ) + { + plvTdoCaptured->len = plvTdi->len; + pucTdo = plvTdoCaptured->val + plvTdi->len; + } + + /* Shift LSB first. val[N-1] == LSB. val[0] == MSB. */ + pucTdi = plvTdi->val + plvTdi->len; + while ( lNumBits ) + { + /* Process on a byte-basis */ + ucTdiByte = (*(--pucTdi)); + ucTdoByte = 0; + for ( i = 0; ( lNumBits && ( i < 8 ) ); ++i ) + { + --lNumBits; + if ( iExitShift && !lNumBits ) + { + /* Exit Shift-DR state */ + setPort( TMS, 1 ); + } + + /* Set the new TDI value */ + setPort( TDI, (short)(ucTdiByte & 1) ); + ucTdiByte >>= 1; + + /* Set TCK low */ + setPort( TCK, 0 ); + + if ( pucTdo ) + { + /* Save the TDO value */ + ucTdoBit = readTDOBit(); + ucTdoByte |= ( ucTdoBit << i ); + } + + /* Set TCK high */ + setPort( TCK, 1 ); + } + + /* Save the TDO byte value */ + if ( pucTdo ) + { + (*(--pucTdo)) = ucTdoByte; + } + } +} + +/***************************************************************************** + * Function: xsvfShift + * Description: Goes to the given starting TAP state. + * Calls xsvfShiftOnly to shift in the given TDI data and + * optionally capture the TDO data. + * Compares the TDO captured data against the TDO expected + * data. + * If a data mismatch occurs, then executes the exception + * handling loop upto ucMaxRepeat times. + * Parameters: pucTapState - Ptr to current TAP state. + * ucStartState - Starting shift state: Shift-DR or Shift-IR. + * lNumBits - number of bits to shift. + * plvTdi - ptr to lenval for TDI data. + * plvTdoCaptured - ptr to lenval for storing TDO data. + * plvTdoExpected - ptr to expected TDO data. + * plvTdoMask - ptr to TDO mask. + * ucEndState - state in which to end the shift. + * lRunTestTime - amount of time to wait after the shift. + * ucMaxRepeat - Maximum number of retries on TDO mismatch. + * Returns: int - 0 = success; otherwise TDO mismatch. + * Notes: XC9500XL-only Optimization: + * Skip the waitTime() if plvTdoMask->val[0:plvTdoMask->len-1] + * is NOT all zeros and sMatch==1. + *****************************************************************************/ +int xsvfShift( unsigned char* pucTapState, + unsigned char ucStartState, + long lNumBits, + lenVal* plvTdi, + lenVal* plvTdoCaptured, + lenVal* plvTdoExpected, + lenVal* plvTdoMask, + unsigned char ucEndState, + long lRunTestTime, + unsigned char ucMaxRepeat ) +{ + int iErrorCode; + int iMismatch; + unsigned char ucRepeat; + int iExitShift; + + iErrorCode = XSVF_ERROR_NONE; + iMismatch = 0; + ucRepeat = 0; + iExitShift = ( ucStartState != ucEndState ); + + XSVFDBG_PRINTF1( 3, " Shift Length = %ld\n", lNumBits ); + XSVFDBG_PRINTF( 4, " TDI = "); + XSVFDBG_PRINTLENVAL( 4, plvTdi ); + XSVFDBG_PRINTF( 4, "\n"); + XSVFDBG_PRINTF( 4, " TDO Expected = "); + XSVFDBG_PRINTLENVAL( 4, plvTdoExpected ); + XSVFDBG_PRINTF( 4, "\n"); + + if ( !lNumBits ) + { + /* Compatibility with XSVF2.00: XSDR 0 = no shift, but wait in RTI */ + if ( lRunTestTime ) + { + /* Wait for prespecified XRUNTEST time */ + xsvfGotoTapState( pucTapState, XTAPSTATE_RUNTEST ); + XSVFDBG_PRINTF1( 3, " Wait = %ld usec\n", lRunTestTime ); + waitTime( lRunTestTime ); + } + } + else + { + do + { + /* Goto Shift-DR or Shift-IR */ + xsvfGotoTapState( pucTapState, ucStartState ); + + /* Shift TDI and capture TDO */ + xsvfShiftOnly( lNumBits, plvTdi, plvTdoCaptured, iExitShift ); + + if ( plvTdoExpected ) + { + /* Compare TDO data to expected TDO data */ + iMismatch = !EqualLenVal( plvTdoExpected, + plvTdoCaptured, + plvTdoMask ); + } + + if ( iExitShift ) + { + /* Update TAP state: Shift->Exit */ + ++(*pucTapState); + XSVFDBG_PRINTF1( 3, " TAP State = %s\n", + xsvf_pzTapState[ *pucTapState ] ); + + if ( iMismatch && lRunTestTime && ( ucRepeat < ucMaxRepeat ) ) + { + XSVFDBG_PRINTF( 4, " TDO Expected = "); + XSVFDBG_PRINTLENVAL( 4, plvTdoExpected ); + XSVFDBG_PRINTF( 4, "\n"); + XSVFDBG_PRINTF( 4, " TDO Captured = "); + XSVFDBG_PRINTLENVAL( 4, plvTdoCaptured ); + XSVFDBG_PRINTF( 4, "\n"); + XSVFDBG_PRINTF( 4, " TDO Mask = "); + XSVFDBG_PRINTLENVAL( 4, plvTdoMask ); + XSVFDBG_PRINTF( 4, "\n"); + XSVFDBG_PRINTF1( 3, " Retry #%d\n", ( ucRepeat + 1 ) ); + /* Do exception handling retry - ShiftDR only */ + xsvfGotoTapState( pucTapState, XTAPSTATE_PAUSEDR ); + /* Shift 1 extra bit */ + xsvfGotoTapState( pucTapState, XTAPSTATE_SHIFTDR ); + /* Increment RUNTEST time by an additional 25% */ + lRunTestTime += ( lRunTestTime >> 2 ); + } + else + { + /* Do normal exit from Shift-XR */ + xsvfGotoTapState( pucTapState, ucEndState ); + } + + if ( lRunTestTime ) + { + /* Wait for prespecified XRUNTEST time */ + xsvfGotoTapState( pucTapState, XTAPSTATE_RUNTEST ); + XSVFDBG_PRINTF1( 3, " Wait = %ld usec\n", lRunTestTime ); + waitTime( lRunTestTime ); + } + } + } while ( iMismatch && ( ucRepeat++ < ucMaxRepeat ) ); + } + + if ( iMismatch ) + { + XSVFDBG_PRINTF( 1, " TDO Expected = "); + XSVFDBG_PRINTLENVAL( 1, plvTdoExpected ); + XSVFDBG_PRINTF( 1, "\n"); + XSVFDBG_PRINTF( 1, " TDO Captured = "); + XSVFDBG_PRINTLENVAL( 1, plvTdoCaptured ); + XSVFDBG_PRINTF( 1, "\n"); + XSVFDBG_PRINTF( 1, " TDO Mask = "); + XSVFDBG_PRINTLENVAL( 1, plvTdoMask ); + XSVFDBG_PRINTF( 1, "\n"); + if ( ucMaxRepeat && ( ucRepeat > ucMaxRepeat ) ) + { + iErrorCode = XSVF_ERROR_MAXRETRIES; + } + else + { + iErrorCode = XSVF_ERROR_TDOMISMATCH; + } + } + + return( iErrorCode ); +} + +/***************************************************************************** + * Function: xsvfBasicXSDRTDO + * Description: Get the XSDRTDO parameters and execute the XSDRTDO command. + * This is the common function for all XSDRTDO commands. + * Parameters: pucTapState - Current TAP state. + * lShiftLengthBits - number of bits to shift. + * sShiftLengthBytes - number of bytes to read. + * plvTdi - ptr to lenval for TDI data. + * lvTdoCaptured - ptr to lenval for storing TDO data. + * iEndState - state in which to end the shift. + * lRunTestTime - amount of time to wait after the shift. + * ucMaxRepeat - maximum xc9500/xl retries. + * Returns: int - 0 = success; otherwise TDO mismatch. + *****************************************************************************/ +int xsvfBasicXSDRTDO( unsigned char* pucTapState, + long lShiftLengthBits, + short sShiftLengthBytes, + lenVal* plvTdi, + lenVal* plvTdoCaptured, + lenVal* plvTdoExpected, + lenVal* plvTdoMask, + unsigned char ucEndState, + long lRunTestTime, + unsigned char ucMaxRepeat ) +{ + readVal( plvTdi, sShiftLengthBytes ); + if ( plvTdoExpected ) + { + readVal( plvTdoExpected, sShiftLengthBytes ); + } + return( xsvfShift( pucTapState, XTAPSTATE_SHIFTDR, lShiftLengthBits, + plvTdi, plvTdoCaptured, plvTdoExpected, plvTdoMask, + ucEndState, lRunTestTime, ucMaxRepeat ) ); +} + +/***************************************************************************** + * Function: xsvfDoSDRMasking + * Description: Update the data value with the next XSDRINC data and address. + * Example: dataVal=0x01ff, nextData=0xab, addressMask=0x0100, + * dataMask=0x00ff, should set dataVal to 0x02ab + * Parameters: plvTdi - The current TDI value. + * plvNextData - the next data value. + * plvAddressMask - the address mask. + * plvDataMask - the data mask. + * Returns: void. + *****************************************************************************/ +#ifdef XSVF_SUPPORT_COMPRESSION +void xsvfDoSDRMasking( lenVal* plvTdi, + lenVal* plvNextData, + lenVal* plvAddressMask, + lenVal* plvDataMask ) +{ + int i; + unsigned char ucTdi; + unsigned char ucTdiMask; + unsigned char ucDataMask; + unsigned char ucNextData; + unsigned char ucNextMask; + short sNextData; + + /* add the address Mask to dataVal and return as a new dataVal */ + addVal( plvTdi, plvTdi, plvAddressMask ); + + ucNextData = 0; + ucNextMask = 0; + sNextData = plvNextData->len; + for ( i = plvDataMask->len - 1; i >= 0; --i ) + { + /* Go through data mask in reverse order looking for mask (1) bits */ + ucDataMask = plvDataMask->val[ i ]; + if ( ucDataMask ) + { + /* Retrieve the corresponding TDI byte value */ + ucTdi = plvTdi->val[ i ]; + + /* For each bit in the data mask byte, look for 1's */ + ucTdiMask = 1; + while ( ucDataMask ) + { + if ( ucDataMask & 1 ) + { + if ( !ucNextMask ) + { + /* Get the next data byte */ + ucNextData = plvNextData->val[ --sNextData ]; + ucNextMask = 1; + } + + /* Set or clear the data bit according to the next data */ + if ( ucNextData & ucNextMask ) + { + ucTdi |= ucTdiMask; /* Set bit */ + } + else + { + ucTdi &= ( ~ucTdiMask ); /* Clear bit */ + } + + /* Update the next data */ + ucNextMask <<= 1; + } + ucTdiMask <<= 1; + ucDataMask >>= 1; + } + + /* Update the TDI value */ + plvTdi->val[ i ] = ucTdi; + } + } +} +#endif /* XSVF_SUPPORT_COMPRESSION */ + +/*============================================================================ + * XSVF Command Functions (type = TXsvfDoCmdFuncPtr) + * These functions update pXsvfInfo->iErrorCode only on an error. + * Otherwise, the error code is left alone. + * The function returns the error code from the function. + ============================================================================*/ + +/***************************************************************************** + * Function: xsvfDoIllegalCmd + * Description: Function place holder for illegal/unsupported commands. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +int xsvfDoIllegalCmd( SXsvfInfo* pXsvfInfo ) +{ + XSVFDBG_PRINTF2( 0, "ERROR: Encountered unsupported command #%d (%s)\n", + ((unsigned int)(pXsvfInfo->ucCommand)), + ((pXsvfInfo->ucCommand < XLASTCMD) + ? (xsvf_pzCommandName[pXsvfInfo->ucCommand]) + : "Unknown") ); + pXsvfInfo->iErrorCode = XSVF_ERROR_ILLEGALCMD; + return( pXsvfInfo->iErrorCode ); +} + +/***************************************************************************** + * Function: xsvfDoXCOMPLETE + * Description: XCOMPLETE (no parameters) + * Update complete status for XSVF player. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +int xsvfDoXCOMPLETE( SXsvfInfo* pXsvfInfo ) +{ + pXsvfInfo->ucComplete = 1; + return( XSVF_ERROR_NONE ); +} + +/***************************************************************************** + * Function: xsvfDoXTDOMASK + * Description: XTDOMASK <lenVal.TdoMask[XSDRSIZE]> + * Prespecify the TDO compare mask. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +int xsvfDoXTDOMASK( SXsvfInfo* pXsvfInfo ) +{ + readVal( &(pXsvfInfo->lvTdoMask), pXsvfInfo->sShiftLengthBytes ); + XSVFDBG_PRINTF( 4, " TDO Mask = "); + XSVFDBG_PRINTLENVAL( 4, &(pXsvfInfo->lvTdoMask) ); + XSVFDBG_PRINTF( 4, "\n"); + return( XSVF_ERROR_NONE ); +} + +/***************************************************************************** + * Function: xsvfDoXSIR + * Description: XSIR <(byte)shiftlen> <lenVal.TDI[shiftlen]> + * Get the instruction and shift the instruction into the TAP. + * If prespecified XRUNTEST!=0, goto RUNTEST and wait after + * the shift for XRUNTEST usec. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +int xsvfDoXSIR( SXsvfInfo* pXsvfInfo ) +{ + unsigned char ucShiftIrBits; + short sShiftIrBytes; + int iErrorCode; + + /* Get the shift length and store */ + readByte( &ucShiftIrBits ); + sShiftIrBytes = xsvfGetAsNumBytes( ucShiftIrBits ); + XSVFDBG_PRINTF1( 3, " XSIR length = %d\n", + ((unsigned int)ucShiftIrBits) ); + + if ( sShiftIrBytes > MAX_LEN ) + { + iErrorCode = XSVF_ERROR_DATAOVERFLOW; + } + else + { + /* Get and store instruction to shift in */ + readVal( &(pXsvfInfo->lvTdi), xsvfGetAsNumBytes( ucShiftIrBits ) ); + + /* Shift the data */ + iErrorCode = xsvfShift( &(pXsvfInfo->ucTapState), XTAPSTATE_SHIFTIR, + ucShiftIrBits, &(pXsvfInfo->lvTdi), + /*plvTdoCaptured*/0, /*plvTdoExpected*/0, + /*plvTdoMask*/0, pXsvfInfo->ucEndIR, + pXsvfInfo->lRunTestTime, /*ucMaxRepeat*/0 ); + } + + if ( iErrorCode != XSVF_ERROR_NONE ) + { + pXsvfInfo->iErrorCode = iErrorCode; + } + return( iErrorCode ); +} + +/***************************************************************************** + * Function: xsvfDoXSIR2 + * Description: XSIR <(2-byte)shiftlen> <lenVal.TDI[shiftlen]> + * Get the instruction and shift the instruction into the TAP. + * If prespecified XRUNTEST!=0, goto RUNTEST and wait after + * the shift for XRUNTEST usec. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +int xsvfDoXSIR2( SXsvfInfo* pXsvfInfo ) +{ + long lShiftIrBits; + short sShiftIrBytes; + int iErrorCode; + + /* Get the shift length and store */ + readVal( &(pXsvfInfo->lvTdi), 2 ); + lShiftIrBits = value( &(pXsvfInfo->lvTdi) ); + sShiftIrBytes = xsvfGetAsNumBytes( lShiftIrBits ); + XSVFDBG_PRINTF1( 3, " XSIR2 length = %d\n", (int)lShiftIrBits); + + if ( sShiftIrBytes > MAX_LEN ) + { + iErrorCode = XSVF_ERROR_DATAOVERFLOW; + } + else + { + /* Get and store instruction to shift in */ + readVal( &(pXsvfInfo->lvTdi), xsvfGetAsNumBytes( lShiftIrBits ) ); + + /* Shift the data */ + iErrorCode = xsvfShift( &(pXsvfInfo->ucTapState), XTAPSTATE_SHIFTIR, + lShiftIrBits, &(pXsvfInfo->lvTdi), + /*plvTdoCaptured*/0, /*plvTdoExpected*/0, + /*plvTdoMask*/0, pXsvfInfo->ucEndIR, + pXsvfInfo->lRunTestTime, /*ucMaxRepeat*/0 ); + } + + if ( iErrorCode != XSVF_ERROR_NONE ) + { + pXsvfInfo->iErrorCode = iErrorCode; + } + return( iErrorCode ); +} + +/***************************************************************************** + * Function: xsvfDoXSDR + * Description: XSDR <lenVal.TDI[XSDRSIZE]> + * Shift the given TDI data into the JTAG scan chain. + * Compare the captured TDO with the expected TDO from the + * previous XSDRTDO command using the previously specified + * XTDOMASK. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +int xsvfDoXSDR( SXsvfInfo* pXsvfInfo ) +{ + int iErrorCode; + readVal( &(pXsvfInfo->lvTdi), pXsvfInfo->sShiftLengthBytes ); + /* use TDOExpected from last XSDRTDO instruction */ + iErrorCode = xsvfShift( &(pXsvfInfo->ucTapState), XTAPSTATE_SHIFTDR, + pXsvfInfo->lShiftLengthBits, &(pXsvfInfo->lvTdi), + &(pXsvfInfo->lvTdoCaptured), + &(pXsvfInfo->lvTdoExpected), + &(pXsvfInfo->lvTdoMask), pXsvfInfo->ucEndDR, + pXsvfInfo->lRunTestTime, pXsvfInfo->ucMaxRepeat ); + if ( iErrorCode != XSVF_ERROR_NONE ) + { + pXsvfInfo->iErrorCode = iErrorCode; + } + return( iErrorCode ); +} + +/***************************************************************************** + * Function: xsvfDoXRUNTEST + * Description: XRUNTEST <uint32> + * Prespecify the XRUNTEST wait time for shift operations. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +int xsvfDoXRUNTEST( SXsvfInfo* pXsvfInfo ) +{ + readVal( &(pXsvfInfo->lvTdi), 4 ); + pXsvfInfo->lRunTestTime = value( &(pXsvfInfo->lvTdi) ); + XSVFDBG_PRINTF1( 3, " XRUNTEST = %ld\n", pXsvfInfo->lRunTestTime ); + return( XSVF_ERROR_NONE ); +} + +/***************************************************************************** + * Function: xsvfDoXREPEAT + * Description: XREPEAT <byte> + * Prespecify the maximum number of XC9500/XL retries. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +int xsvfDoXREPEAT( SXsvfInfo* pXsvfInfo ) +{ + readByte( &(pXsvfInfo->ucMaxRepeat) ); + XSVFDBG_PRINTF1( 3, " XREPEAT = %d\n", + ((unsigned int)(pXsvfInfo->ucMaxRepeat)) ); + return( XSVF_ERROR_NONE ); +} + +/***************************************************************************** + * Function: xsvfDoXSDRSIZE + * Description: XSDRSIZE <uint32> + * Prespecify the XRUNTEST wait time for shift operations. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +int xsvfDoXSDRSIZE( SXsvfInfo* pXsvfInfo ) +{ + int iErrorCode; + iErrorCode = XSVF_ERROR_NONE; + readVal( &(pXsvfInfo->lvTdi), 4 ); + pXsvfInfo->lShiftLengthBits = value( &(pXsvfInfo->lvTdi) ); + pXsvfInfo->sShiftLengthBytes= xsvfGetAsNumBytes( pXsvfInfo->lShiftLengthBits ); + XSVFDBG_PRINTF1( 3, " XSDRSIZE = %ld\n", pXsvfInfo->lShiftLengthBits ); + if ( pXsvfInfo->sShiftLengthBytes > MAX_LEN ) + { + iErrorCode = XSVF_ERROR_DATAOVERFLOW; + pXsvfInfo->iErrorCode = iErrorCode; + } + return( iErrorCode ); +} + +/***************************************************************************** + * Function: xsvfDoXSDRTDO + * Description: XSDRTDO <lenVal.TDI[XSDRSIZE]> <lenVal.TDO[XSDRSIZE]> + * Get the TDI and expected TDO values. Then, shift. + * Compare the expected TDO with the captured TDO using the + * prespecified XTDOMASK. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +int xsvfDoXSDRTDO( SXsvfInfo* pXsvfInfo ) +{ + int iErrorCode; + iErrorCode = xsvfBasicXSDRTDO( &(pXsvfInfo->ucTapState), + pXsvfInfo->lShiftLengthBits, + pXsvfInfo->sShiftLengthBytes, + &(pXsvfInfo->lvTdi), + &(pXsvfInfo->lvTdoCaptured), + &(pXsvfInfo->lvTdoExpected), + &(pXsvfInfo->lvTdoMask), + pXsvfInfo->ucEndDR, + pXsvfInfo->lRunTestTime, + pXsvfInfo->ucMaxRepeat ); + if ( iErrorCode != XSVF_ERROR_NONE ) + { + pXsvfInfo->iErrorCode = iErrorCode; + } + return( iErrorCode ); +} + +/***************************************************************************** + * Function: xsvfDoXSETSDRMASKS + * Description: XSETSDRMASKS <lenVal.AddressMask[XSDRSIZE]> + * <lenVal.DataMask[XSDRSIZE]> + * Get the prespecified address and data mask for the XSDRINC + * command. + * Used for xc9500/xl compressed XSVF data. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +#ifdef XSVF_SUPPORT_COMPRESSION +int xsvfDoXSETSDRMASKS( SXsvfInfo* pXsvfInfo ) +{ + /* read the addressMask */ + readVal( &(pXsvfInfo->lvAddressMask), pXsvfInfo->sShiftLengthBytes ); + /* read the dataMask */ + readVal( &(pXsvfInfo->lvDataMask), pXsvfInfo->sShiftLengthBytes ); + + XSVFDBG_PRINTF( 4, " Address Mask = " ); + XSVFDBG_PRINTLENVAL( 4, &(pXsvfInfo->lvAddressMask) ); + XSVFDBG_PRINTF( 4, "\n" ); + XSVFDBG_PRINTF( 4, " Data Mask = " ); + XSVFDBG_PRINTLENVAL( 4, &(pXsvfInfo->lvDataMask) ); + XSVFDBG_PRINTF( 4, "\n" ); + + return( XSVF_ERROR_NONE ); +} +#endif /* XSVF_SUPPORT_COMPRESSION */ + +/***************************************************************************** + * Function: xsvfDoXSDRINC + * Description: XSDRINC <lenVal.firstTDI[XSDRSIZE]> <byte(numTimes)> + * <lenVal.data[XSETSDRMASKS.dataMask.len]> ... + * Get the XSDRINC parameters and execute the XSDRINC command. + * XSDRINC starts by loading the first TDI shift value. + * Then, for numTimes, XSDRINC gets the next piece of data, + * replaces the bits from the starting TDI as defined by the + * XSETSDRMASKS.dataMask, adds the address mask from + * XSETSDRMASKS.addressMask, shifts the new TDI value, + * and compares the TDO to the expected TDO from the previous + * XSDRTDO command using the XTDOMASK. + * Used for xc9500/xl compressed XSVF data. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +#ifdef XSVF_SUPPORT_COMPRESSION +int xsvfDoXSDRINC( SXsvfInfo* pXsvfInfo ) +{ + int iErrorCode; + int iDataMaskLen; + unsigned char ucDataMask; + unsigned char ucNumTimes; + unsigned char i; + + readVal( &(pXsvfInfo->lvTdi), pXsvfInfo->sShiftLengthBytes ); + iErrorCode = xsvfShift( &(pXsvfInfo->ucTapState), XTAPSTATE_SHIFTDR, + pXsvfInfo->lShiftLengthBits, + &(pXsvfInfo->lvTdi), &(pXsvfInfo->lvTdoCaptured), + &(pXsvfInfo->lvTdoExpected), + &(pXsvfInfo->lvTdoMask), pXsvfInfo->ucEndDR, + pXsvfInfo->lRunTestTime, pXsvfInfo->ucMaxRepeat ); + if ( !iErrorCode ) + { + /* Calculate number of data mask bits */ + iDataMaskLen = 0; + for ( i = 0; i < pXsvfInfo->lvDataMask.len; ++i ) + { + ucDataMask = pXsvfInfo->lvDataMask.val[ i ]; + while ( ucDataMask ) + { + iDataMaskLen += ( ucDataMask & 1 ); + ucDataMask >>= 1; + } + } + + /* Get the number of data pieces, i.e. number of times to shift */ + readByte( &ucNumTimes ); + + /* For numTimes, get data, fix TDI, and shift */ + for ( i = 0; !iErrorCode && ( i < ucNumTimes ); ++i ) + { + readVal( &(pXsvfInfo->lvNextData), + xsvfGetAsNumBytes( iDataMaskLen ) ); + xsvfDoSDRMasking( &(pXsvfInfo->lvTdi), + &(pXsvfInfo->lvNextData), + &(pXsvfInfo->lvAddressMask), + &(pXsvfInfo->lvDataMask) ); + iErrorCode = xsvfShift( &(pXsvfInfo->ucTapState), + XTAPSTATE_SHIFTDR, + pXsvfInfo->lShiftLengthBits, + &(pXsvfInfo->lvTdi), + &(pXsvfInfo->lvTdoCaptured), + &(pXsvfInfo->lvTdoExpected), + &(pXsvfInfo->lvTdoMask), + pXsvfInfo->ucEndDR, + pXsvfInfo->lRunTestTime, + pXsvfInfo->ucMaxRepeat ); + } + } + if ( iErrorCode != XSVF_ERROR_NONE ) + { + pXsvfInfo->iErrorCode = iErrorCode; + } + return( iErrorCode ); +} +#endif /* XSVF_SUPPORT_COMPRESSION */ + +/***************************************************************************** + * Function: xsvfDoXSDRBCE + * Description: XSDRB/XSDRC/XSDRE <lenVal.TDI[XSDRSIZE]> + * If not already in SHIFTDR, goto SHIFTDR. + * Shift the given TDI data into the JTAG scan chain. + * Ignore TDO. + * If cmd==XSDRE, then goto ENDDR. Otherwise, stay in ShiftDR. + * XSDRB, XSDRC, and XSDRE are the same implementation. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +int xsvfDoXSDRBCE( SXsvfInfo* pXsvfInfo ) +{ + unsigned char ucEndDR; + int iErrorCode; + ucEndDR = (unsigned char)(( pXsvfInfo->ucCommand == XSDRE ) ? + pXsvfInfo->ucEndDR : XTAPSTATE_SHIFTDR); + iErrorCode = xsvfBasicXSDRTDO( &(pXsvfInfo->ucTapState), + pXsvfInfo->lShiftLengthBits, + pXsvfInfo->sShiftLengthBytes, + &(pXsvfInfo->lvTdi), + /*plvTdoCaptured*/0, /*plvTdoExpected*/0, + /*plvTdoMask*/0, ucEndDR, + /*lRunTestTime*/0, /*ucMaxRepeat*/0 ); + if ( iErrorCode != XSVF_ERROR_NONE ) + { + pXsvfInfo->iErrorCode = iErrorCode; + } + return( iErrorCode ); +} + +/***************************************************************************** + * Function: xsvfDoXSDRTDOBCE + * Description: XSDRB/XSDRC/XSDRE <lenVal.TDI[XSDRSIZE]> <lenVal.TDO[XSDRSIZE]> + * If not already in SHIFTDR, goto SHIFTDR. + * Shift the given TDI data into the JTAG scan chain. + * Compare TDO, but do NOT use XTDOMASK. + * If cmd==XSDRTDOE, then goto ENDDR. Otherwise, stay in ShiftDR. + * XSDRTDOB, XSDRTDOC, and XSDRTDOE are the same implementation. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +int xsvfDoXSDRTDOBCE( SXsvfInfo* pXsvfInfo ) +{ + unsigned char ucEndDR; + int iErrorCode; + ucEndDR = (unsigned char)(( pXsvfInfo->ucCommand == XSDRTDOE ) ? + pXsvfInfo->ucEndDR : XTAPSTATE_SHIFTDR); + iErrorCode = xsvfBasicXSDRTDO( &(pXsvfInfo->ucTapState), + pXsvfInfo->lShiftLengthBits, + pXsvfInfo->sShiftLengthBytes, + &(pXsvfInfo->lvTdi), + &(pXsvfInfo->lvTdoCaptured), + &(pXsvfInfo->lvTdoExpected), + /*plvTdoMask*/0, ucEndDR, + /*lRunTestTime*/0, /*ucMaxRepeat*/0 ); + if ( iErrorCode != XSVF_ERROR_NONE ) + { + pXsvfInfo->iErrorCode = iErrorCode; + } + return( iErrorCode ); +} + +/***************************************************************************** + * Function: xsvfDoXSTATE + * Description: XSTATE <byte> + * <byte> == XTAPSTATE; + * Get the state parameter and transition the TAP to that state. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +int xsvfDoXSTATE( SXsvfInfo* pXsvfInfo ) +{ + unsigned char ucNextState; + int iErrorCode; + readByte( &ucNextState ); + iErrorCode = xsvfGotoTapState( &(pXsvfInfo->ucTapState), ucNextState ); + if ( iErrorCode != XSVF_ERROR_NONE ) + { + pXsvfInfo->iErrorCode = iErrorCode; + } + return( iErrorCode ); +} + +/***************************************************************************** + * Function: xsvfDoXENDXR + * Description: XENDIR/XENDDR <byte> + * <byte>: 0 = RUNTEST; 1 = PAUSE. + * Get the prespecified XENDIR or XENDDR. + * Both XENDIR and XENDDR use the same implementation. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +int xsvfDoXENDXR( SXsvfInfo* pXsvfInfo ) +{ + int iErrorCode; + unsigned char ucEndState; + + iErrorCode = XSVF_ERROR_NONE; + readByte( &ucEndState ); + if ( ( ucEndState != XENDXR_RUNTEST ) && ( ucEndState != XENDXR_PAUSE ) ) + { + iErrorCode = XSVF_ERROR_ILLEGALSTATE; + } + else + { + + if ( pXsvfInfo->ucCommand == XENDIR ) + { + if ( ucEndState == XENDXR_RUNTEST ) + { + pXsvfInfo->ucEndIR = XTAPSTATE_RUNTEST; + } + else + { + pXsvfInfo->ucEndIR = XTAPSTATE_PAUSEIR; + } + XSVFDBG_PRINTF1( 3, " ENDIR State = %s\n", + xsvf_pzTapState[ pXsvfInfo->ucEndIR ] ); + } + else /* XENDDR */ + { + if ( ucEndState == XENDXR_RUNTEST ) + { + pXsvfInfo->ucEndDR = XTAPSTATE_RUNTEST; + } + else + { + pXsvfInfo->ucEndDR = XTAPSTATE_PAUSEDR; + } + XSVFDBG_PRINTF1( 3, " ENDDR State = %s\n", + xsvf_pzTapState[ pXsvfInfo->ucEndDR ] ); + } + } + + if ( iErrorCode != XSVF_ERROR_NONE ) + { + pXsvfInfo->iErrorCode = iErrorCode; + } + return( iErrorCode ); +} + +/***************************************************************************** + * Function: xsvfDoXCOMMENT + * Description: XCOMMENT <text string ending in \0> + * <text string ending in \0> == text comment; + * Arbitrary comment embedded in the XSVF. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +int xsvfDoXCOMMENT( SXsvfInfo* pXsvfInfo ) +{ + /* Use the comment for debugging */ + /* Otherwise, read through the comment to the end '\0' and ignore */ + unsigned char ucText; + + if ( xsvf_iDebugLevel > 0 ) + { + putc( ' ' ); + } + + do + { + readByte( &ucText ); + if ( xsvf_iDebugLevel > 0 ) + { + putc( ucText ? ucText : '\n' ); + } + } while ( ucText ); + + pXsvfInfo->iErrorCode = XSVF_ERROR_NONE; + + return( pXsvfInfo->iErrorCode ); +} + +/***************************************************************************** + * Function: xsvfDoXWAIT + * Description: XWAIT <wait_state> <end_state> <wait_time> + * If not already in <wait_state>, then go to <wait_state>. + * Wait in <wait_state> for <wait_time> microseconds. + * Finally, if not already in <end_state>, then goto <end_state>. + * Parameters: pXsvfInfo - XSVF information pointer. + * Returns: int - 0 = success; non-zero = error. + *****************************************************************************/ +int xsvfDoXWAIT( SXsvfInfo* pXsvfInfo ) +{ + unsigned char ucWaitState; + unsigned char ucEndState; + long lWaitTime; + + /* Get Parameters */ + /* <wait_state> */ + readVal( &(pXsvfInfo->lvTdi), 1 ); + ucWaitState = pXsvfInfo->lvTdi.val[0]; + + /* <end_state> */ + readVal( &(pXsvfInfo->lvTdi), 1 ); + ucEndState = pXsvfInfo->lvTdi.val[0]; + + /* <wait_time> */ + readVal( &(pXsvfInfo->lvTdi), 4 ); + lWaitTime = value( &(pXsvfInfo->lvTdi) ); + XSVFDBG_PRINTF2( 3, " XWAIT: state = %s; time = %ld\n", + xsvf_pzTapState[ ucWaitState ], lWaitTime ); + + /* If not already in <wait_state>, go to <wait_state> */ + if ( pXsvfInfo->ucTapState != ucWaitState ) + { + xsvfGotoTapState( &(pXsvfInfo->ucTapState), ucWaitState ); + } + + /* Wait for <wait_time> microseconds */ + waitTime( lWaitTime ); + + /* If not already in <end_state>, go to <end_state> */ + if ( pXsvfInfo->ucTapState != ucEndState ) + { + xsvfGotoTapState( &(pXsvfInfo->ucTapState), ucEndState ); + } + + return( XSVF_ERROR_NONE ); +} + + +/*============================================================================ + * Execution Control Functions + ============================================================================*/ + +/***************************************************************************** + * Function: xsvfInitialize + * Description: Initialize the xsvf player. + * Call this before running the player to initialize the data + * in the SXsvfInfo struct. + * xsvfCleanup is called to clean up the data in SXsvfInfo + * after the XSVF is played. + * Parameters: pXsvfInfo - ptr to the XSVF information. + * Returns: int - 0 = success; otherwise error. + *****************************************************************************/ +int xsvfInitialize( SXsvfInfo* pXsvfInfo ) +{ + /* Initialize values */ + pXsvfInfo->iErrorCode = xsvfInfoInit( pXsvfInfo ); + + if ( !pXsvfInfo->iErrorCode ) + { + /* Initialize the TAPs */ + pXsvfInfo->iErrorCode = xsvfGotoTapState( &(pXsvfInfo->ucTapState), + XTAPSTATE_RESET ); + } + + return( pXsvfInfo->iErrorCode ); +} + +/***************************************************************************** + * Function: xsvfRun + * Description: Run the xsvf player for a single command and return. + * First, call xsvfInitialize. + * Then, repeatedly call this function until an error is detected + * or until the pXsvfInfo->ucComplete variable is non-zero. + * Finally, call xsvfCleanup to cleanup any remnants. + * Parameters: pXsvfInfo - ptr to the XSVF information. + * Returns: int - 0 = success; otherwise error. + *****************************************************************************/ +int xsvfRun( SXsvfInfo* pXsvfInfo ) +{ + /* Process the XSVF commands */ + if ( (!pXsvfInfo->iErrorCode) && (!pXsvfInfo->ucComplete) ) + { + /* read 1 byte for the instruction */ + readByte( &(pXsvfInfo->ucCommand) ); + ++(pXsvfInfo->lCommandCount); + + if ( pXsvfInfo->ucCommand < XLASTCMD ) + { + /* Execute the command. Func sets error code. */ + XSVFDBG_PRINTF1( 2, " %s\n", + xsvf_pzCommandName[pXsvfInfo->ucCommand] ); + /* If your compiler cannot take this form, + then convert to a switch statement */ +#if 0 /* test-only */ + xsvf_pfDoCmd[ pXsvfInfo->ucCommand ]( pXsvfInfo ); +#else + switch (pXsvfInfo->ucCommand) { + case 0: + xsvfDoXCOMPLETE(pXsvfInfo); /* 0 */ + break; + case 1: + xsvfDoXTDOMASK(pXsvfInfo); /* 1 */ + break; + case 2: + xsvfDoXSIR(pXsvfInfo); /* 2 */ + break; + case 3: + xsvfDoXSDR(pXsvfInfo); /* 3 */ + break; + case 4: + xsvfDoXRUNTEST(pXsvfInfo); /* 4 */ + break; + case 5: + xsvfDoIllegalCmd(pXsvfInfo); /* 5 */ + break; + case 6: + xsvfDoIllegalCmd(pXsvfInfo); /* 6 */ + break; + case 7: + xsvfDoXREPEAT(pXsvfInfo); /* 7 */ + break; + case 8: + xsvfDoXSDRSIZE(pXsvfInfo); /* 8 */ + break; + case 9: + xsvfDoXSDRTDO(pXsvfInfo); /* 9 */ + break; +#ifdef XSVF_SUPPORT_COMPRESSION + case 10: + xsvfDoXSETSDRMASKS(pXsvfInfo); /* 10 */ + break; + case 11: + xsvfDoXSDRINC(pXsvfInfo); /* 11 */ + break; +#else + case 10: + xsvfDoIllegalCmd(pXsvfInfo); /* 10 */ + break; + case 11: + xsvfDoIllegalCmd(pXsvfInfo); /* 11 */ + break; +#endif /* XSVF_SUPPORT_COMPRESSION */ + case 12: + xsvfDoXSDRBCE(pXsvfInfo); /* 12 */ + break; + case 13: + xsvfDoXSDRBCE(pXsvfInfo); /* 13 */ + break; + case 14: + xsvfDoXSDRBCE(pXsvfInfo); /* 14 */ + break; + case 15: + xsvfDoXSDRTDOBCE(pXsvfInfo); /* 15 */ + break; + case 16: + xsvfDoXSDRTDOBCE(pXsvfInfo); /* 16 */ + break; + case 17: + xsvfDoXSDRTDOBCE(pXsvfInfo); /* 17 */ + break; + case 18: + xsvfDoXSTATE(pXsvfInfo); /* 18 */ + break; + case 19: + xsvfDoXENDXR(pXsvfInfo); /* 19 */ + break; + case 20: + xsvfDoXENDXR(pXsvfInfo); /* 20 */ + break; + case 21: + xsvfDoXSIR2(pXsvfInfo); /* 21 */ + break; + case 22: + xsvfDoXCOMMENT(pXsvfInfo); /* 22 */ + break; + case 23: + xsvfDoXWAIT(pXsvfInfo); /* 23 */ + break; + } +#endif + } + else + { + /* Illegal command value. Func sets error code. */ + xsvfDoIllegalCmd( pXsvfInfo ); + } + } + + return( pXsvfInfo->iErrorCode ); +} + +/***************************************************************************** + * Function: xsvfCleanup + * Description: cleanup remnants of the xsvf player. + * Parameters: pXsvfInfo - ptr to the XSVF information. + * Returns: void. + *****************************************************************************/ +void xsvfCleanup( SXsvfInfo* pXsvfInfo ) +{ + xsvfInfoCleanup( pXsvfInfo ); +} + + +/*============================================================================ + * xsvfExecute() - The primary entry point to the XSVF player + ============================================================================*/ + +/***************************************************************************** + * Function: xsvfExecute + * Description: Process, interpret, and apply the XSVF commands. + * See port.c:readByte for source of XSVF data. + * Parameters: none. + * Returns: int - Legacy result values: 1 == success; 0 == failed. + *****************************************************************************/ +int xsvfExecute(void) +{ + SXsvfInfo xsvfInfo; + + xsvfInitialize( &xsvfInfo ); + + while ( !xsvfInfo.iErrorCode && (!xsvfInfo.ucComplete) ) + { + xsvfRun( &xsvfInfo ); + } + + if ( xsvfInfo.iErrorCode ) + { + XSVFDBG_PRINTF1( 0, "%s\n", xsvf_pzErrorName[ + ( xsvfInfo.iErrorCode < XSVF_ERROR_LAST ) + ? xsvfInfo.iErrorCode : XSVF_ERROR_UNKNOWN ] ); + XSVFDBG_PRINTF2( 0, "ERROR at or near XSVF command #%ld. See line #%ld in the XSVF ASCII file.\n", + xsvfInfo.lCommandCount, xsvfInfo.lCommandCount ); + } + else + { + XSVFDBG_PRINTF( 0, "SUCCESS - Completed XSVF execution.\n" ); + } + + xsvfCleanup( &xsvfInfo ); + + return( XSVF_ERRORCODE(xsvfInfo.iErrorCode) ); +} + + +/***************************************************************************** + * Function: do_cpld + * Description: main function. + * Specified here for creating stand-alone debug executable. + * Embedded users should call xsvfExecute() directly. + * Parameters: iArgc - number of command-line arguments. + * ppzArgv - array of ptrs to strings (command-line arguments). + * Returns: int - Legacy return value: 1 = success; 0 = error. + *****************************************************************************/ +int do_cpld(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + int iErrorCode; + char* pzXsvfFileName; + unsigned long duration; + unsigned long long startClock, endClock; + + iErrorCode = XSVF_ERRORCODE( XSVF_ERROR_NONE ); + pzXsvfFileName = 0; + xsvf_iDebugLevel = 0; + + printf("XSVF Player v%s, Xilinx, Inc.\n", XSVF_VERSION); + printf("XSVF Filesize = %d bytes\n", filesize); + + /* Initialize the I/O. SetPort initializes I/O on first call */ + setPort( TMS, 1 ); + + /* Execute the XSVF in the file */ + startClock = get_ticks(); + iErrorCode = xsvfExecute(); + endClock = get_ticks(); + duration = (unsigned long)(endClock - startClock); + printf("\nExecution Time = %d seconds\n", (int)(duration/get_tbclk())); + + return( iErrorCode ); +} +U_BOOT_CMD( + cpld, 1, 1, do_cpld, + "cpld - Program onboard CPLD\n", + NULL + ); |
