Parse PINTOSOPTS environment variable as extra command-line options.

[pintos-anon] / src / utils / pintos

diff --git a/src/utils/pintos b/src/utils/pintos
index 124269848c0926063935cd0e4a7d897b162a310d..8b3b56d7fa2aeb4e5b5a33576181a830f51cd0fc 100755 (executable)
--- a/src/utils/pintos
+++ b/src/utils/pintos
@@ -11,6 +11,8 @@ our ($vga);
 our ($jitter, $realtime);
 
 use Getopt::Long qw(:config require_order bundling);
+unshift (@ARGV, split (' ', $ENV{PINTOSOPTS}))
+    if defined $ENV{PINTOSOPTS};
 GetOptions ("sim=s" => sub { set_sim (@_) },
            "bochs" => sub { set_sim ("bochs") },
            "qemu" => sub { set_sim ("qemu") },
@@ -110,12 +112,20 @@ if ($cmd eq 'run') {
     # Create scratch disk from file.
     die "$hostfn: $!\n" if ! -e $hostfn;
     my ($size) = -s _;
-    copy_pad ($hostfn, "scratch.dsk", 512);
+    if ($size) { 
+       copy_pad ($hostfn, "scratch.dsk", 512);
+    } else {
+       open (SCRATCH, ">scratch.dsk") or die "scratch.dsk: create: $!\n";
+       syswrite (SCRATCH, "\0" x 512);
+       close (SCRATCH);
+    }
 
     # Do copy.
     my (@cmd) = ("-ci", $guestfn, $size, "-q");
     unshift (@cmd, "-f") if $format;
     run_vm ('EXEC', @cmd);
+
+    exit 1;
 } elsif ($cmd eq 'get') {
     usage () if @ARGV != 1 && @ARGV != 2;
     my ($guestfn, $hostfn) = @ARGV;
@@ -147,6 +157,8 @@ if ($cmd eq 'run') {
     print DST $src or die "$hostfn: write error\n";
     close (DST);
     close (SRC);
+
+    exit 1;
 } elsif ($cmd eq 'help') {
     usage (0);
 } else {
@@ -210,6 +222,18 @@ sub run_vm {
        undef $disks[$i] if ! -e $disks[$i];
     }
 
+    if (my ($project) = `pwd` =~ /\b(threads|userprog|vm|filesys)\b/) {
+       if ((grep ($project eq $_, qw (userprog vm filesys)))
+           && !defined ($disks[1])) {
+           print STDERR "warning: it looks like you're running the $project ";
+           print STDERR "project, but no file system disk is present\n";
+       }
+       if ($project eq 'vm' && !defined $disks[3]) {
+           print STDERR "warning: it looks like you're running the $project ";
+           print STDERR "project, but no swap disk is present\n";
+       }
+    }
+
     write_cmd_line ($disks[0], @_);
 
     if ($sim eq 'bochs') {
@@ -274,6 +298,7 @@ sub run_vm {
        push (@cmd, '-S') if $debug eq 'monitor';
        push (@cmd, '-s') if $debug eq 'gdb';
        run_command (@cmd);
+       exit 1;
     } elsif ($sim eq 'gsx') {
        print "warning: VMware GSX Server doesn't support --$debug\n"
            if $debug ne 'no-debug';
@@ -291,6 +316,11 @@ sub run_vm {
        print VMX "guestOS = \"linux\"\n";
        print VMX "floppy0.present = FALSE\n";
 
+       unlink ("pintos.out");
+       print VMX "serial0.present = TRUE\n";
+       print VMX "serial0.fileType = \"file\"\n";
+       print VMX "serial0.fileName = \"pintos.out\"\n";
+
        if (! -e 'null.bin') {
            open (NULL, ">null.bin") or die "null.bin: create: $!\n";
            close (NULL);
@@ -329,6 +359,8 @@ sub run_vm {
        system ("vmware-cmd $vmx stop hard >&/dev/null");
        system ("vmware -l -G -x -q $vmx");
        system ("vmware-cmd $vmx stop hard >&/dev/null");
+
+       exit 1;
     }
 }