SVF file, making OpenOCD compatible with files generated by
Altera Quatrus II 9.0.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2600
b42882b7-edfa-0310-969c-
e2dbd0fdcd60
static int svf_copy_hexstring_to_binary(char *str, uint8_t **bin, int orig_bit_len, int bit_len)
{
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))
{
if (ERROR_OK != svf_adjust_array_length(bin, orig_bit_len, bit_len))
{
- if (str_byte_len > str_len)
+ for (i = 0; i < str_hbyte_len; i++)
- loop_cnt = str_byte_len;
- }
- else
- {
- loop_cnt = str_len;
- }
-
- for (i = 0; i < loop_cnt; 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;
+ }
- // 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))
- // 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;
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