2 * Copyright (c) 2003 The Regents of The University of Michigan
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29 #include <sys/types.h>
38 #include "base/misc.hh"
39 #include "sim/universe.hh"
40 #include "sim/host.hh"
41 #include "sim/param.hh"
51 string outputDirectory
;
52 ostream
*outputStream
;
54 class UniverseParamContext
: public ParamContext
60 UniverseParamContext(const string
&is
) : ParamContext(is
) {}
64 UniverseParamContext
universe("Universe");
66 Param
<Tick
> universe_freq(&universe
, "frequency", "tick frequency",
69 Param
<string
> universe_output_dir(&universe
, "output_dir",
70 "directory to output data to");
71 Param
<string
> universe_output_file(&universe
, "output_file",
72 "file to dump simulator output to");
75 UniverseParamContext::checkParams()
77 ticksPerSecond
= universe_freq
;
78 double freq
= double(ticksPerSecond
);
79 __ticksPerMS
= freq
/ 1.0e3
;
80 __ticksPerUS
= freq
/ 1.0e6
;
81 __ticksPerNS
= freq
/ 1.0e9
;
83 if (universe_output_dir
.isValid()) {
84 outputDirectory
= universe_output_dir
;
86 // guarantee that directory ends with a '/'
87 if (outputDirectory
[outputDirectory
.size() - 1] != '/')
88 outputDirectory
+= "/";
90 if (mkdir(outputDirectory
.c_str(), 0777) < 0) {
91 if (errno
!= EEXIST
) {
92 panic("%s\ncould not make output directory: %s\n",
93 strerror(errno
), outputDirectory
);
99 if (universe_output_file
.isValid()) {
100 string f
= universe_output_file
;
101 if (f
!= "stdout" && f
!= "cout" && f
!= "stderr" && f
!= "cerr")
102 filename
= outputDirectory
+ f
;
106 if (outputDirectory
.empty())
109 filename
= outputDirectory
+ "output.txt";
112 if (filename
== "stdout" || filename
== "cout")
113 outputStream
= &cout
;
114 else if (filename
== "stderr" || filename
== "cerr")
115 outputStream
= &cerr
;
117 outputFile
.open(filename
.c_str(), ios::trunc
);
118 outputStream
= &outputFile
;