source: svn/newcon3bcm2_21bu/nexus/build/tools/ipcthunk/bapi_ipc_apidef.pm

#!/usr/bin/perl
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# $brcm_Workfile: bapi_ipc_apidef.pm $
# $brcm_Revision: 4 $
# $brcm_Date: 12/7/11 10:41a $
#
# File Description:
#
# Revision History:
#
# $brcm_Log: /nexus/build/tools/ipcthunk/bapi_ipc_apidef.pm $
# 
# 4   12/7/11 10:41a erickson
# SW7420-2141: merge as much duplicated kernelmode proxy/usermode ipc
#  perl code as possible
# 
# 3   2/15/11 2:28p erickson
# SW7420-1123: refactor IPC thunk to separate in/out params
#
# 2   1/19/11 2:03p erickson
# SW7420-1123: socket-based usermode IPC
#
# 1   9/29/10 9:34a erickson
# SW7420-1123: add linux usermode IPC
#
#############################################################################
use strict;
use bapi_common;
use bapi_util;

package bapi_ipc_apidef;

sub generate_ipc_block
{
    my ($file, $module, $funcs) = @_;
    my $func;
    my $block = bapi_common::ipc_block $module;
    my $module_lc = lc $module;


    print $file "/* structure to store copy of all in and out parameters */\n";
    print $file "typedef struct $block {\n";
    print $file "   NEXUS_Ipc_Header    header;\n";
    print $file "   union {\n";
    for $func (@$funcs) {
        my $params = $func->{PARAMS};
        my $param;
        my @struct;
        #if (!$func->{NOSTRUCT})
        {
            my $struct = bapi_common::ipc_struct $module, $func;
            print $file "       $struct $func->{FUNCNAME};  \n";
        }
    }
    print $file "   } data; \n";
    print $file "} $block;\n";
}

# this function takes an array of function data structures as input
# it prints out structure definitions for IPC
sub generate
{
    my ($filename, $module, $version, @funcs) = @_;
    my $func;
    open FILE, ">$filename";
    my $cnt = 0;

    print FILE bapi_util::header $module;

    print FILE "\n\n";
    print FILE "#define " . (bapi_common::version_define $module) . (bapi_common::version_value $version) . "\n";

    $cnt++;

    for $func (@funcs) {
        my $funcname = $func->{FUNCNAME};
        my $params = $func->{PARAMS};
        my $param;
        my $ipc_name = bapi_common::ipc_name $module, $func;
        my $struct = bapi_common::ipc_struct $module, $func;
        my @members;

        # in params
        push @members, "struct {";
        for $param (@$params) {
            if ($param->{INPARAM}) {
                my $info = bapi_common::process_function_param $func, $param;
                bapi_util::append_code \@members, $info->{'ipc_inparams'}, "  ";
            }
        }
        push @members, "  uint8_t *variable_params;";
        push @members, "} in;";

        # out params, including retval
        push @members, "struct {";
        # If the RETTYPE is a reference, make it a value
        if ( $func->{RETTYPE} !~ /void\s*\*$/ && $func->{RETTYPE} =~ /\*$/) {
            my $rettype = $func->{RETTYPE};
            $rettype =~ s/const//;
            $rettype =~ s/\*//;
            push @members, "  $rettype __retval;";
        } elsif ($func->{RETTYPE} ne "void") {
            push @members, "  $func->{RETTYPE} __retval;";
        }

        for $param (@$params) {
            if (!$param->{INPARAM}) {
                my $info = bapi_common::process_function_param $func, $param;
                bapi_util::append_code \@members, $info->{'ipc_outparams'}, "  ";
            }
        }
        push @members, "  uint8_t *variable_params;";
        push @members, "} out;";

        print FILE "#define $ipc_name NEXUS_IPC_ID($module,$cnt)\n\n";
        print FILE "typedef union $struct \{\n";
        bapi_util::print_code \*FILE, \@members, "    ";
        print FILE "} $struct ;\n\n";

        $cnt++;
    }
    generate_ipc_block  \*FILE, $module, \@funcs;
    close FILE;
}

1;