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Re: hardware independent hinv

To: ariel@sgi.com (Ariel Faigon)
Subject: Re: hardware independent hinv
From: lm@neteng.engr.sgi.com (Larry McVoy)
Date: Wed, 28 May 1997 12:12:22 -0700
Cc: linux@yon.engr.sgi.com, olson@anchor.engr.sgi.com, scotth@sgi.com, swmgr@swmgr.engr.sgi.com, breyer@swmgr.engr.sgi.com
Sender: owner-linux@cthulhu.engr.sgi.com
: Just forwarding since it sounds someone hopes that Linux/MIPS
: will some day have a HW independent hinv... - Ariel

Here's my first pass at it.  It certainly isn't complete but it is a 
start.  We could evolve Linux' /proc to fully handle this.

#!/usr/bin/perl -w

# Try and emulate SGI's hinv command
# We want to figure out the following:
# CPU type, mhz, memory, busses, floppies, disks, tapes, cdroms, ttys,
# networks, graphics.

# indy ~ hinv
# Iris Audio Processor: version A2 revision 4.1.0
# 1 175 MHZ IP22 Processor
# FPU: MIPS R4000 Floating Point Coprocessor Revision: 0.0
# CPU: MIPS R4400 Processor Chip Revision: 6.0
# On-board serial ports: 2
# On-board bi-directional parallel port
# Data cache size: 16 Kbytes
# Instruction cache size: 16 Kbytes
# Secondary unified instruction/data cache size: 1 Mbyte on Processor 0
# Main memory size: 64 Mbytes
# Vino video: unit 0, revision 0
# Integral ISDN: Basic Rate Interface unit 0, revision 1.0
# XPI FDDI controller: xpi0, firmware version 9601221233, SAS
# Integral Ethernet: ec0, version 1
# Integral SCSI controller 0: Version WD33C93B, revision D
#  Disk drive: unit 2 on SCSI controller 0
#  Disk drive: unit 1 on SCSI controller 0
# Graphics board: Indy 24-bit

# i586 ~ hinv
# Main memory size: 24 Mbytes
# 1 GenuineIntel 586 processor
# 1 16450 serial port
# 2 16550A serial ports
# 1 post-1991 82077 floppy controller
# 1 1.44M floppy drive
# 1 vga+ graphics device
# 1 keyboard
# 2 ethernet interfaces
#   eth0: 3Com 3c595 Vortex 100baseTX
#   eth2: 3c509
# 1 SCSI tape 1 SCSI cdrom 2 SCSI disks
#   QUANTUM  EMPIRE_1080S
#   HP       C3725S
#   ARCHIVE  VIPER 150  21531
#   TOSHIBA  CD-ROM XM-3501TA
# PCI bus devices:
#    SCSI storage controller: NCR 53c810 (rev 2).
#    Ethernet controller: 3Com 3C595 100bTX (rev 0).
#    VGA compatible device: S3 Inc. Vision 964-P (rev 0).
#    IDE interface: Intel 82371 Triton PIIX (rev 2).
#    ISA bridge: Intel 82371 Triton PIIX (rev 2).
#    Host bridge: Intel 82437 (rev 2).

open(FD, "dmesg|") || die "no dmesg";
while (<FD>) {
        @_ = split;
        if (/^Memory:/) {
                $_[1] =~ s|.*/||;
                $_[1] =~ s|k$||;
                $_[1] /= 1024;
                $mem = "Main memory size: $_[1] Mbytes\n";
        } elsif (/^tty/) {
                $ttys{$_[$#_]}++;
        } elsif (/^Floppy/) {
                $floppy{$_[$#_]}++;
        } elsif (/^FDC /) {
                s/.*is a //;
                chop;
                $fdc{$_}++;
        } elsif (/^scsi : detected/) {
                $scsi = $_;
        } elsif (/^eth\d.* at /) {
                s/\s*at .*//;
                push(@eth, $_);
        } 
}
open(FD, "/proc/cpuinfo");
while (<FD>) {
        @_ = split;
        if (/cpu/) {
                $cpu = $_[$#_];
        }
        if (/vendor/) {
                $cpus{"$_[$#_] $cpu"}++;
        }
}
open(FD, "/proc/ioports");
while (<FD>) {
        if (/kbd/ || /keyboard/) {
                $kbd++;
        } elsif (/vga/) {
                @_ = split;
                $graphics{$_[$#_]}++;
        }
}

print $mem if (defined $mem);
foreach $key (keys %cpus) {
        print "$cpus{$key} $key processor";
        print $cpus{$key} > 1 ? "s\n" : "\n";
}
foreach $key (keys %ttys) {
        print "$ttys{$key} $key serial port";
        print $ttys{$key} > 1 ? "s\n" : "\n";
}
foreach $key (keys %fdc) {
        print "$fdc{$key} $key floppy controller";
        print $fdc{$key} > 1 ? "s\n" : "\n";
}
foreach $key (keys %floppy) {
        print "$floppy{$key} $key floppy drive";
        print $floppy{$key} > 1 ? "s\n" : "\n";
}
foreach $key (keys %graphics) {
        print "$graphics{$key} $key graphics device";
        print $graphics{$key} > 1 ? "s\n" : "\n";
}
if (defined $kbd) {
        print "$kbd keyboard";
        print $kbd > 1 ? "s\n" : "\n";
}
if ($#eth > -1) {
        $n = $#eth + 1;
        print "$n ethernet interface";
        print $n > 1 ? "s\n" : "\n";
        foreach $eth (@eth) {
                print "  $eth";
        }
}
if (defined $scsi) {
        $scsi =~ s/.*detected //;
        $scsi =~ s/ total.//;
        print $scsi;
        open(FD, "/proc/scsi/scsi");
        $_ = <FD>;
        while (<FD>) {
                next unless /Vendor/;
                s/.*Vendor:\s*//;
                s/\s*Rev:.*//;
                s/Model:\s*//;
                print "  $_";
        }
}

open(FD, "/proc/pci");
$done = 0;
while (<FD>) {
        if (/^\s*Bus/) {
                if ($done == 0) {
                        print "PCI bus devices:\n";
                        $done++;
                }
                $_ = <FD>;
                print;
        }
}

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