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ecp5: Improve error message for bad chars in BRAM init strings

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2019-06-08 10:52:37 +01:00
parent 206761b415
commit 187db92b05
1 changed files with 12 additions and 7 deletions
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19
ecp5/bitstream.cc
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@ -134,7 +134,7 @@ inline int chtohex(char c)
return hex.find(c);
}
std::vector<bool> parse_init_str(const std::string &str, int length)
std::vector<bool> parse_init_str(const std::string &str, int length, const char *cellname)
{
// Parse a string that may be binary or hex
std::vector<bool> result;
@ -161,7 +161,8 @@ std::vector<bool> parse_init_str(const std::string &str, int length)
log_error("hex string value too long, expected up to %d bits and found %d.\n", length, int(str.length()));
for (int i = 0; i < int(str.length()); i++) {
char c = str.at((str.size() - i) - 1);
NPNR_ASSERT(c == '0' || c == '1' || c == 'X' || c == 'x');
if (c != '0' && c != '1' && c != 'X' && c != 'x')
log_error("Found illegal character '%c' while processing parameters for cell '%s'\n", c, cellname);
result.at(i) = (c == '1');
}
}
@ -970,7 +971,7 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
for (int i = 0; i <= 0x3F; i++) {
IdString param = ctx->id("INITVAL_" +
fmt_str(std::hex << std::uppercase << std::setw(2) << std::setfill('0') << i));
auto value = parse_init_str(str_or_default(ci->params, param, "0"), 320);
auto value = parse_init_str(str_or_default(ci->params, param, "0"), 320, ci->name.c_str(ctx));
for (int j = 0; j < 16; j++) {
// INIT parameter consists of 16 18-bit words with 2-bit padding
int ofs = 20 * j;
@ -1078,17 +1079,21 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
tg.config.add_enum(dsp + ".MASKPAT_SOURCE",
str_or_default(ci->params, ctx->id("MASKPAT_SOURCE"), "STATIC"));
tg.config.add_word(dsp + ".MASK01",
parse_init_str(str_or_default(ci->params, ctx->id("MASK01"), "0x00000000000000"), 56));
parse_init_str(str_or_default(ci->params, ctx->id("MASK01"), "0x00000000000000"), 56,
ci->name.c_str(ctx)));
tg.config.add_enum(dsp + ".CLK0_DIV", str_or_default(ci->params, ctx->id("CLK0_DIV"), "ENABLED"));
tg.config.add_enum(dsp + ".CLK1_DIV", str_or_default(ci->params, ctx->id("CLK1_DIV"), "ENABLED"));
tg.config.add_enum(dsp + ".CLK2_DIV", str_or_default(ci->params, ctx->id("CLK2_DIV"), "ENABLED"));
tg.config.add_enum(dsp + ".CLK3_DIV", str_or_default(ci->params, ctx->id("CLK3_DIV"), "ENABLED"));
tg.config.add_word(dsp + ".MCPAT",
parse_init_str(str_or_default(ci->params, ctx->id("MCPAT"), "0x00000000000000"), 56));
parse_init_str(str_or_default(ci->params, ctx->id("MCPAT"), "0x00000000000000"), 56,
ci->name.c_str(ctx)));
tg.config.add_word(dsp + ".MASKPAT",
parse_init_str(str_or_default(ci->params, ctx->id("MASKPAT"), "0x00000000000000"), 56));
parse_init_str(str_or_default(ci->params, ctx->id("MASKPAT"), "0x00000000000000"), 56,
ci->name.c_str(ctx)));
tg.config.add_word(dsp + ".RNDPAT",
parse_init_str(str_or_default(ci->params, ctx->id("RNDPAT"), "0x00000000000000"), 56));
parse_init_str(str_or_default(ci->params, ctx->id("RNDPAT"), "0x00000000000000"), 56,
ci->name.c_str(ctx)));
tg.config.add_enum(dsp + ".GSR", str_or_default(ci->params, ctx->id("GSR"), "ENABLED"));
tg.config.add_enum(dsp + ".RESETMODE", str_or_default(ci->params, ctx->id("RESETMODE"), "SYNC"));
tg.config.add_enum(dsp + ".FORCE_ZERO_BARREL_SHIFT",