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Piotr Ziecik <kosmo@semihalf.com> This patch adds handling blank characters between...
[openocd.git] / src / svf / svf.c
diff --git a/src/svf/svf.c b/src/svf/svf.c
index be2ae5a56a48a1487663bfac7d11d65ad7bcb9a8..510b7b0afa2bc65891c6e6e3d13c8443bfa859ae 100644 (file)
--- a/src/svf/svf.c
+++ b/src/svf/svf.c
@@ -98,24 +98,24 @@ typedef struct
        tap_state_t paths[8];
 }svf_statemove_t;
 
-svf_statemove_t svf_statemoves[] = 
+svf_statemove_t svf_statemoves[] =
 {
        // from                 to                              num_of_moves,   paths[8]
 //     {TAP_RESET,             TAP_RESET,              1,                              {TAP_RESET}},
        {TAP_RESET,             TAP_IDLE,               2,                              {TAP_RESET, TAP_IDLE}},
        {TAP_RESET,             TAP_DRPAUSE,    6,                              {TAP_RESET, TAP_IDLE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DREXIT1, TAP_DRPAUSE}},
        {TAP_RESET,             TAP_IRPAUSE,    7,                              {TAP_RESET, TAP_IDLE, TAP_DRSELECT, TAP_IRSELECT, TAP_IRCAPTURE, TAP_IREXIT1, TAP_IRPAUSE}},
-       
+
 //     {TAP_IDLE,              TAP_RESET,              4,                              {TAP_IDLE, TAP_DRSELECT, TAP_IRSELECT, TAP_RESET}},
        {TAP_IDLE,              TAP_IDLE,               1,                              {TAP_IDLE}},
        {TAP_IDLE,              TAP_DRPAUSE,    5,                              {TAP_IDLE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DREXIT1, TAP_DRPAUSE}},
        {TAP_IDLE,              TAP_IRPAUSE,    6,                              {TAP_IDLE, TAP_DRSELECT, TAP_IRSELECT, TAP_IRCAPTURE, TAP_IREXIT1, TAP_IRPAUSE}},
-       
+
 //     {TAP_DRPAUSE,   TAP_RESET,              6,                              {TAP_DRPAUSE, TAP_DREXIT2, TAP_DRUPDATE, TAP_DRSELECT, TAP_IRSELECT, TAP_RESET}},
        {TAP_DRPAUSE,   TAP_IDLE,               4,                              {TAP_DRPAUSE, TAP_DREXIT2, TAP_DRUPDATE, TAP_IDLE}},
        {TAP_DRPAUSE,   TAP_DRPAUSE,    7,                              {TAP_DRPAUSE, TAP_DREXIT2, TAP_DRUPDATE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DREXIT1, TAP_DRPAUSE}},
        {TAP_DRPAUSE,   TAP_IRPAUSE,    8,                              {TAP_DRPAUSE, TAP_DREXIT2, TAP_DRUPDATE, TAP_DRSELECT, TAP_IRSELECT, TAP_IRCAPTURE, TAP_IREXIT1, TAP_IRPAUSE}},
-       
+
 //     {TAP_IRPAUSE,   TAP_RESET,              6,                              {TAP_IRPAUSE, TAP_IREXIT2, TAP_IRUPDATE, TAP_DRSELECT, TAP_IRSELECT, TAP_RESET}},
        {TAP_IRPAUSE,   TAP_IDLE,               4,                              {TAP_IRPAUSE, TAP_IREXIT2, TAP_IRUPDATE, TAP_IDLE}},
        {TAP_IRPAUSE,   TAP_DRPAUSE,    7,                              {TAP_IRPAUSE, TAP_IREXIT2, TAP_IRUPDATE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DREXIT1, TAP_DRPAUSE}},
@@ -304,7 +304,7 @@ static int svf_add_statemove(tap_state_t state_to)
 
        for (index = 0; index < dimof(svf_statemoves); index++)
        {
-               if ((svf_statemoves[index].from == state_from) 
+               if ((svf_statemoves[index].from == state_from)
                        && (svf_statemoves[index].to == state_to))
                {
                        if (TAP_RESET == state_from)
@@ -655,8 +655,8 @@ static int svf_adjust_array_length(uint8_t **arr, int orig_bit_len, int new_bit_
 
 static int svf_copy_hexstring_to_binary(char *str, uint8_t **bin, int orig_bit_len, int bit_len)
 {
-       int i, str_len = strlen(str), str_byte_len = (bit_len + 3) >> 2, loop_cnt;
-       uint8_t ch, need_write = 1;
+       int i, str_len = strlen(str), str_hbyte_len = (bit_len + 3) >> 2;
+       uint8_t ch;
 
        if (ERROR_OK != svf_adjust_array_length(bin, orig_bit_len, bit_len))
        {
@@ -664,75 +664,54 @@ static int svf_copy_hexstring_to_binary(char *str, uint8_t **bin, int orig_bit_l
                return ERROR_FAIL;
        }
 
-       if (str_byte_len > str_len)
-       {
-               loop_cnt = str_byte_len;
-       }
-       else
-       {
-               loop_cnt = str_len;
-       }
-
-       for (i = 0; i < loop_cnt; i++)
+       for (i = 0; i < str_hbyte_len; i++)
        {
-               if (i < str_len)
+               ch = 0;
+               while (str_len > 0)
                {
-                       ch = str[str_len - i - 1];
-                       if ((ch >= '0') && (ch <= '9'))
-                       {
-                               ch = ch - '0';
-                       }
-                       else if ((ch >= 'A') && (ch <= 'F'))
-                       {
-                               ch = ch - 'A' + 10;
-                       }
-                       else
+                       ch = str[--str_len];
+
+                       if (!isblank(ch))
                        {
-                               LOG_ERROR("invalid hex string");
-                               return ERROR_FAIL;
+                               if ((ch >= '0') && (ch <= '9'))
+                               {
+                                       ch = ch - '0';
+                                       break;
+                               }
+                               else if ((ch >= 'A') && (ch <= 'F'))
+                               {
+                                       ch = ch - 'A' + 10;
+                                       break;
+                               }
+                               else
+                               {
+                                       LOG_ERROR("invalid hex string");
+                                       return ERROR_FAIL;
+                               }
                        }
-               }
-               else
-               {
+
                        ch = 0;
                }
 
-               // check valid
-               if (i >= str_byte_len)
+               // write bin
+               if (i % 2)
                {
-                       // all data written, other data should be all '0's and needn't to be written
-                       need_write = 0;
-                       if (ch != 0)
-                       {
-                               LOG_ERROR("value execede length");
-                               return ERROR_FAIL;
-                       }
+                       // MSB
+                       (*bin)[i / 2] |= ch << 4;
                }
-               else if (i == (str_byte_len - 1))
+               else
                {
-                       // last data byte, written if valid
-                       if ((ch & ~((1 << (bit_len - 4 * i)) - 1)) != 0)
-                       {
-                               LOG_ERROR("value execede length");
-                               return ERROR_FAIL;
-                       }
+                       // LSB
+                       (*bin)[i / 2] = 0;
+                       (*bin)[i / 2] |= ch;
                }
+       }
 
-               if (need_write)
-               {
-                       // write bin
-                       if (i % 2)
-                       {
-                               // MSB
-                               (*bin)[i / 2] |= ch << 4;
-                       }
-                       else
-                       {
-                               // LSB
-                               (*bin)[i / 2] = 0;
-                               (*bin)[i / 2] |= ch;
-                       }
-               }
+       // check valid
+       if (str_len > 0 || (ch & ~((1 << (4 - (bit_len % 4))) - 1)) != 0)
+       {
+               LOG_ERROR("value execede length");
+               return ERROR_FAIL;
        }
 
        return ERROR_OK;
@@ -746,7 +725,7 @@ static int svf_check_tdo(void)
        {
                index = svf_check_tdo_para[i].buffer_offset;
                len = svf_check_tdo_para[i].bit_len;
-               if ((svf_check_tdo_para[i].enabled) 
+               if ((svf_check_tdo_para[i].enabled)
                        && buf_cmp_mask(&svf_tdi_buffer[index], &svf_tdo_buffer[index], &svf_mask_buffer[index], len))
                {
                        unsigned bitmask;
@@ -756,11 +735,11 @@ static int svf_check_tdo(void)
                        memcpy(&received, svf_tdi_buffer + index, sizeof(unsigned));
                        memcpy(&expected, svf_tdo_buffer + index, sizeof(unsigned));
                        memcpy(&tapmask, svf_mask_buffer + index, sizeof(unsigned));
-                       LOG_ERROR("tdo check error at line %d", 
+                       LOG_ERROR("tdo check error at line %d",
                                          svf_check_tdo_para[i].line_num);
-                       LOG_ERROR("read = 0x%X, want = 0x%X, mask = 0x%X", 
-                                         received & bitmask, 
-                                         expected & bitmask, 
+                       LOG_ERROR("read = 0x%X, want = 0x%X, mask = 0x%X",
+                                         received & bitmask,
+                                         expected & bitmask,
                                          tapmask & bitmask);
                        return ERROR_FAIL;
                }
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