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Merge pull request #940 from VioletEternity/truncated-config-words

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ecp5: accept lowercase characters in hex strings
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gatecat 2022-03-12 20:36:31 +00:00 committed by GitHub
commit 851007b4a1
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1 changed files with 7 additions and 2 deletions
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9
ecp5/bitstream.cc
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@ -131,7 +131,7 @@ static void tie_cib_signal(Context *ctx, ChipConfig &cc, WireId wire, bool value
inline int chtohex(char c)
{
static const std::string hex = "0123456789ABCDEF";
return hex.find(c);
return hex.find(std::toupper(c));
}
std::vector<bool> parse_init_str(const Property &p, int length, const char *cellname)
@ -149,6 +149,8 @@ std::vector<bool> parse_init_str(const Property &p, int length, const char *cell
for (int i = 0; i < int(str.length()) - 2; i++) {
char c = str.at((str.size() - i) - 1);
int nibble = chtohex(c);
if (nibble == (int)std::string::npos)
log_error("hex string has invalid char '%c' at position %d.\n", c, i);
result.at(i * 4) = nibble & 0x1;
if (i * 4 + 1 < length)
result.at(i * 4 + 1) = nibble & 0x2;
@ -582,13 +584,16 @@ static std::vector<bool> parse_config_str(const Property &p, int length)
if (base == "0b") {
for (int i = 0; i < int(str.length()) - 2; i++) {
char c = str.at((str.size() - 1) - i);
NPNR_ASSERT(c == '0' || c == '1');
if (!(c == '0' || c == '1'))
log_error("binary string has invalid char '%c' at position %d.\n", c, i);
word.at(i) = (c == '1');
}
} else if (base == "0x") {
for (int i = 0; i < int(str.length()) - 2; i++) {
char c = str.at((str.size() - i) - 1);
int nibble = chtohex(c);
if (nibble == (int)std::string::npos)
log_error("hex string has invalid char '%c' at position %d.\n", c, i);
word.at(i * 4) = nibble & 0x1;
if (i * 4 + 1 < length)
word.at(i * 4 + 1) = nibble & 0x2;