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# Copyright (C) 2008 ERG Limited, All rights reserved

#

# Module name   : PLATFORM_CFG.PM

# Module type   : Makefile system

# Compiler(s)   : Perl

# Environment(s): jats

#

# Description   : Provides platform configuration information

#

#                 The main pupose of this configuration information is to

#                 prevent JATS from attempting to build software on

#                 a platform that does not support the required compilers

#

#                 ie: Its not possible to build PPC_302E on a windows

#                     Nor is it possbile to build WIN32 on a Sun Sparc

#

#                 This can be done via GBE_BUILDFILTER, but results in

#                 an unwieldy GBE_BUILDFILTER. Better to prune the

#                 targets at the start

#

#......................................................................#

require 5.008_002;

use strict;

use warnings;

package PlatformConfig;

use JatsError;

#

#   The following structure is a hash of arrays

#   The hash key is a supported machine type - one per machine

#   The data is an array of supported PLATFORMS

#

my %BuildAvailability = (

    'linux_i386' => [

        'ARM9TDMI',

        'LINUX86',

        'LINUX_ARMV4',

        'LINUX_EMU',

        'LINUX_ETX',

        'LINUX_I386',

        'PPC_603E',

        ],

    'solaris10_sparc32' => [

        'SOLARIS10_SPARC32',

        'SOLARIS10_SPARC64',

        'JAVA',

        ],

    'solaris10_x86' => [

        'SOLARIS10_X64',

        'SOLARIS10_X86',

        'JAVA',

        ],

    'sparc' => [

        'SOLARIS_I386',

        'SOLARIS_SPARC',

        'JAVA',

        ],

    'win32' => [

        'ACEX',

        'AMX',

        'AVR_IAR',

        'BORLAND',

        'CMOS386',

        'CMOS68K',

        'CSHARP',

        'CSHARP2005',

        'DAFBR_MOS',

        'DAFBR_WIN',

        'DF4OBE',

        'DOS16',

        'DOS32',

        'EEPP386',

        'EETP386',

        'EOS',

        'EOSM68K',

        'EOSP386',

        'GMPCA',

        'GO32',

        'H8S',

        'HK386PC',

        'HKAVM',

        'HKAVM2',

        'HKBCP',

        'HKDDU',

        'HKGAK',

        'HKMPR',

        'HKPCA',

        'INGEN',

        'JAVA',

        'MCR',

        'MERG',

        'MOS68K',

        'MOS68KRM',

        'MOSCF',

        'MPT',

        'NGBCP',

        'NGDDU',

        'PHARLAP',

        'THYRON',

        'VERIX',

        'VS2003',

        'VS2005',

        'WCEIT3000',

        'WCEPA961',

        'WCEPA962',

        'WCEPA962_500',

        'WCEPCM7220',

        'WCEPSION_420',

        'WCEPSION_500',

        'WCEPSION_500_emu',

        'WCEPSPC_arm',

        'WCEPSPC_emu',

        'WCEX86A420',

        'WCEX86A500',

        'WCEX86A500_SOM4455',

        'WIN32',

        ],

);

#

#   The above data will be reorganised and placed into the following

#   hash. This simplifies the data definition and lookup

#

my %BuildAvailabilityData;

#-------------------------------------------------------------------------------

# Function        : InitData

#

# Description     : Init data structures

#                   Done once

#

#                   Convert an array into a hash to simplify lookup

#

# Inputs          : None

#

# Returns         : Nothing

#

sub InitData

{

    #

    #   Only do this work once

    #

    return if exists $BuildAvailabilityData{'GENERIC'};

    #

    #   Validate build machine

    #

    Error (__PACKAGE__ . " : Unknown build machine type: $::GBE_MACHTYPE")

        unless ( exists $BuildAvailability{$::GBE_MACHTYPE} );

    #

    #   Convert the array into a hash to spped up access later

    #

    $BuildAvailabilityData{'GENERIC'} = 1;

    foreach ( @{$BuildAvailability{$::GBE_MACHTYPE}}  )

    {

        $BuildAvailabilityData{$_} = 1;

    }

}

#-------------------------------------------------------------------------------

# Function        : checkBuildAvailability

#

# Description     : Check that a given target can be be built on the

#                   current machine type

#

# Inputs          : $target             - Name of target platform

#

#

# Returns         : True if Target can be built on current machine

#

sub checkBuildAvailability

{

    my ($target) = @_;

    InitData();

    return exists $BuildAvailabilityData{$target};

}

1;