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iverilog: Allow the user to specify the location of VPI modules. 

Make it explicit in the manual that a path can be supplied with the -m
option, and when it is, search for a SFT file there, not in the base
directory.
This commit is contained in:
Martin Whitaker 2019-10-14 21:34:40 +01:00
parent 9f7dc732ab
commit b82c185051
2 changed files with 15 additions and 4 deletions
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10
driver/iverilog.man.in
View File

@ -190,9 +190,13 @@ prefixed by "I " and other files are prefixed by "M ".
.B -m\fImodule\fP .B -m\fImodule\fP
Add this module to the list of VPI modules to be loaded by the Add this module to the list of VPI modules to be loaded by the
simulation. Many modules can be specified, and all will be loaded, in simulation. Many modules can be specified, and all will be loaded, in
the order specified. The system module is implicit and always included. the order specified. The system module is implicit and always included
If a System Function Table file (<module>.sft) exists for the module it (and loaded last). If a System Function Table file (<module>.sft)
will be loaded automatically. exists for the module it will be loaded automatically.
If the specified name includes at least one directory character, it is
assumed to be prefixed by the path to the module, otherwise the module
is assumed to be located in the \fIiverilog\fP base directory.
.TP 8 .TP 8
.B -N\fIpath\fP .B -N\fIpath\fP
This is used for debugging the compiler proper. Dump the final netlist This is used for debugging the compiler proper. Dump the final netlist

9
driver/main.c
View File

@ -864,7 +864,14 @@ static void add_sft_file(const char *module)
char *file; char *file;
file = (char *) malloc(strlen(base)+1+strlen(module)+4+1); file = (char *) malloc(strlen(base)+1+strlen(module)+4+1);
sprintf(file, "%s%c%s.sft", base, sep, module); // If the module name has at least one directory character
// in it, assume it includes the path, otherwise look in
// the base directory.
if (strchr(module, sep))
sprintf(file, "%s.sft", module);
else
sprintf(file, "%s%c%s.sft", base, sep, module);
if (access(file, R_OK) == 0) if (access(file, R_OK) == 0)
fprintf(iconfig_file, "sys_func:%s\n", file); fprintf(iconfig_file, "sys_func:%s\n", file);
free(file); free(file);