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Bugfixes in $readmem[hb]

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This commit is contained in:
Clifford Wolf 2015-09-25 13:49:48 +02:00
parent 4ac202e2a5
commit f9d7df0869
1 changed files with 7 additions and 4 deletions
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11
frontends/ast/simplify.cc
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@ -2211,6 +2211,9 @@ static void replace_result_wire_name_in_function(AstNode *node, std::string &fro
// replace a readmem[bh] TCALL ast node with a block of memory assignments // replace a readmem[bh] TCALL ast node with a block of memory assignments
AstNode *AstNode::readmem(bool is_readmemh, std::string mem_filename, AstNode *memory, int start_addr, int finish_addr, bool unconditional_init) AstNode *AstNode::readmem(bool is_readmemh, std::string mem_filename, AstNode *memory, int start_addr, int finish_addr, bool unconditional_init)
{ {
int mem_width, mem_size, addr_bits;
memory->meminfo(mem_width, mem_size, addr_bits);
AstNode *block = new AstNode(AST_BLOCK); AstNode *block = new AstNode(AST_BLOCK);
AstNode *meminit = nullptr; AstNode *meminit = nullptr;
@ -2232,7 +2235,7 @@ AstNode *AstNode::readmem(bool is_readmemh, std::string mem_filename, AstNode *m
start_addr = range_min; start_addr = range_min;
if (finish_addr < 0) if (finish_addr < 0)
finish_addr = range_max; finish_addr = range_max + 1;
bool in_comment = false; bool in_comment = false;
int increment = start_addr <= finish_addr ? +1 : -1; int increment = start_addr <= finish_addr ? +1 : -1;
@ -2272,7 +2275,7 @@ AstNode *AstNode::readmem(bool is_readmemh, std::string mem_filename, AstNode *m
continue; continue;
} }
AstNode *value = VERILOG_FRONTEND::const2ast((is_readmemh ? "'h" : "'b") + token); AstNode *value = VERILOG_FRONTEND::const2ast(stringf("%d'%c", mem_width, is_readmemh ? 'h' : 'b') + token);
if (unconditional_init) if (unconditional_init)
{ {
@ -2308,12 +2311,12 @@ AstNode *AstNode::readmem(bool is_readmemh, std::string mem_filename, AstNode *m
block->children.back()->children[0]->id2ast = memory; block->children.back()->children[0]->id2ast = memory;
} }
if ((cursor == finish_addr) || (increment > 0 && cursor >= range_max) || (increment < 0 && cursor <= range_min)) if ((cursor == finish_addr) || (increment > 0 && cursor > range_max) || (increment < 0 && cursor < range_min))
break; break;
cursor += increment; cursor += increment;
} }
if ((cursor == finish_addr) || (increment > 0 && cursor >= range_max) || (increment < 0 && cursor <= range_min)) if ((cursor == finish_addr) || (increment > 0 && cursor > range_max) || (increment < 0 && cursor < range_min))
break; break;
} }