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madwifi/scripts/if_ath_hal_generator.pl
mtaylor a78d83bb0d Debugging function cleanup: 
1) Move all debug preprocessor flags out into make files
2) Add support for remaining preprocessor flags to be set by ENV variables
3) Add support for HAL tracing to include device name



git-svn-id: http://madwifi-project.org/svn/madwifi/trunk@3481 0192ed92-7a03-0410-a25b-9323aeb14dbd
2008-04-09 19:55:49 +00:00

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#!/usr/bin/perl
#
# Copyright (c) 2007 Michael Taylor
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer,
# without modification.
# 2. Redistributions in binary form must reproduce at minimum a disclaimer
# similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
# redistribution must be conditioned upon including a substantially
# similar Disclaimer requirement for further binary redistribution.
# 3. Neither the names of the above-listed copyright holders nor the names
# of any contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# Alternatively, this software may be distributed under the terms of the
# GNU General Public License ("GPL") version 2 as published by the Free
# Software Foundation.
#
# NO WARRANTY
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
# THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
# THE POSSIBILITY OF SUCH DAMAGES.
#
# $Id: foo $
#
# This script is invoked at build time to regenerate a wrapper for the HAL
# binary API that adds locking and (optionally) tracing with human readable
# names.
#
use strict;
use warnings;
#
# This section defines the name translation from the binary HAL's function
# pointers to our API names. Please provide all function names here. If
# the wrapper is not needed, use undef.
#
my %wrapper_names = (
"ah_beaconInit" => "ath_hal_beaconinit",
"ah_detach" => undef,
"ah_disablePhyErrDiag" => "ath_hal_disablePhyDiag",
"ah_enablePhyErrDiag" => "ath_hal_enablePhyDiag",
"ah_enableReceive" => "ath_hal_rxena",
"ah_fillTxDesc" => "ath_hal_filltxdesc",
"ah_getAckCTSRate" => "ath_hal_getackctsrate",
"ah_setAckCTSRate" => "ath_hal_setackctsrate",
"ah_updateMibCounters" => "ath_hal_updatemibcounters",
"ah_getAntennaSwitch" => "ath_hal_getantennaswitch",
"ah_setAntennaSwitch" => "ath_hal_setantennaswitch",
"ah_getAckTimeout" => "ath_hal_getacktimeout",
"ah_getBssIdMask" => "ath_hal_getbssidmask",
"ah_getCapability" => "ath_hal_getcapability",
"ah_getChanNoise" => "ath_hal_get_channel_noise",
"ah_getCTSTimeout" => "ath_hal_getctstimeout",
"ah_getDefAntenna" => "ath_hal_getdefantenna",
"ah_getDiagState" => "ath_hal_getdiagstate",
"ah_getInterrupts" => "ath_hal_intrget",
"ah_getKeyCacheSize" => "ath_hal_keycachesize",
"ah_getMacAddress" => "ath_hal_getmac",
"ah_getPendingInterrupts" => "ath_hal_getisr",
"ah_getPowerMode" => "ath_hal_getPowerMode",
"ah_getRateTable" => "ath_hal_getratetable",
"ah_getRfGain" => "ath_hal_getrfgain",
"ah_getRxDP" => "ath_hal_getrxbuf",
"ah_getRxFilter" => "ath_hal_getrxfilter",
"ah_getSlotTime" => "ath_hal_getslottime",
"ah_getTsf32" => "ath_hal_gettsf32",
"ah_getTsf64" => "ath_hal_gettsf64",
"ah_getTxDP" => "ath_hal_gettxbuf",
"ah_getTxIntrQueue" => "ath_hal_gettxintrtxqs",
"ah_getTxQueueProps" => "ath_hal_gettxqueueprops",
"ah_gpioCfgOutput" => "ath_hal_gpioCfgOutput",
"ah_gpioSet" => "ath_hal_gpioset",
"ah_gpioGet" => "ath_hal_gpioget",
"ah_gpioSetIntr" => "ath_hal_gpiosetintr",
"ah_gpioCfgInput" => "ath_hal_gpiCfgInput",
"ah_isInterruptPending" => "ath_hal_intrpend",
"ah_isKeyCacheEntryValid" => "ath_hal_keyisvalid",
"ah_numTxPending" => "ath_hal_numtxpending",
"ah_perCalibration" => "ath_hal_calibrate",
"ah_phyDisable" => "ath_hal_phydisable",
"ah_disable" => "ath_hal_disable",
"ah_procMibEvent" => "ath_hal_mibevent",
"ah_procRxDesc" => "ath_hal_rxprocdesc",
"ah_procTxDesc" => "ath_hal_txprocdesc",
"ah_radarWait" => "ath_hal_radar_wait",
"ah_releaseTxQueue" => "ath_hal_releasetxqueue",
"ah_reqTxIntrDesc" => "ath_hal_txreqintrdesc",
"ah_reset" => "ath_hal_reset",
"ah_resetKeyCacheEntry" => "ath_hal_keyreset",
"ah_resetStationBeaconTimers" => "ath_hal_beaconreset",
"ah_resetTsf" => "ath_hal_resettsf",
"ah_resetTxQueue" => "ath_hal_resettxqueue",
"ah_rxMonitor" => "ath_hal_rxmonitor",
"ah_setAckTimeout" => "ath_hal_setacktimeout",
"ah_setBssIdMask" => "ath_hal_setbssidmask",
"ah_setCapability" => "ath_hal_setcapability",
"ah_setChannel" => "ath_hal_setchannel",
"ah_setCoverageClass" => "ath_hal_setcoverageclass",
"ah_setCTSTimeout" => "ath_hal_setctstimeout",
"ah_setDecompMask" => "ath_hal_setdecompmask",
"ah_setDefAntenna" => "ath_hal_setdefantenna",
"ah_setInterrupts" => "ath_hal_intrset",
"ah_setKeyCacheEntry" => "ath_hal_keyset",
"ah_setKeyCacheEntryMac" => "ath_hal_keysetmac",
"ah_setLedState" => "ath_hal_setledstate",
"ah_setMacAddress" => "ath_hal_setmac",
"ah_setMulticastFilter" => "ath_hal_setmcastfilter",
"ah_setMulticastFilterIndex" => "ath_hal_setmcastfilterindex",
"ah_setPCUConfig" => "ath_hal_setopmode",
"ah_setPowerMode" => "ath_hal_setpower",
"ah_setRxDP" => "ath_hal_putrxbuf",
"ah_setRxFilter" => "ath_hal_setrxfilter",
"ah_setRegulatoryDomain" => "ath_hal_setregulatorydomain",
"ah_setSlotTime" => "ath_hal_setslottime",
"ah_setStationBeaconTimers" => "ath_hal_beacontimers",
"ah_setTxDP" => "ath_hal_puttxbuf",
"ah_setTxQueueProps" => "ath_hal_settxqueueprops",
"ah_setTxPowerLimit" => "ath_hal_settxpowlimit",
"ah_setBeaconTimers" => "ath_hal_setbeacontimers",
"ah_setupRxDesc" => "ath_hal_setuprxdesc",
"ah_setupTxDesc" => "ath_hal_setuptxdesc",
"ah_setupTxQueue" => "ath_hal_setuptxqueue",
"ah_setupXTxDesc" => "ath_hal_setupxtxdesc",
"ah_startPcuReceive" => "ath_hal_startpcurecv",
"ah_startTxDma" => "ath_hal_txstart",
"ah_stopDmaReceive" => "ath_hal_stopdmarecv",
"ah_stopPcuReceive" => "ath_hal_stoppcurecv",
"ah_stopTxDma" => "ath_hal_stoptxdma",
"ah_updateCTSForBursting" => "ath_hal_updateCTSForBursting",
"ah_updateTxTrigLevel" => "ath_hal_updatetxtriglevel",
"ah_waitForBeaconDone" => "ath_hal_waitforbeacon",
"ah_writeAssocid" => "ath_hal_setassocid",
"ah_clrMulticastFilterIndex" => "ath_hal_clearmcastfilter",
"ah_detectCardPresent" => "ath_hal_detectcardpresent"
);
#
# This text is copied verbatim to the top of the output header file
#
my $header = <<EOF
/*-
* Copyright (c) 2007 Michael Taylor
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGES.
*/
/* **************************************************************
* * WARNING: THIS IS A GENERATED FILE. PLEASE DO NOT EDIT *
* ************************************************************** */
#include "if_ath_hal_macros.h"
#ifdef CONFIG_KALLSYMS
#include "linux/kallsyms.h"
#endif /* CONFIG_KALLSYMS */
#ifndef _IF_ATH_HAL_H_
#define _IF_ATH_HAL_H_
EOF
;
#
# This text is copied verbatim to the bottom of the output header file
#
my $footer = <<EOF
#include "if_ath_hal_wrappers.h"
#endif /* #ifndef _IF_ATH_HAL_H_ */
/* *** THIS IS A GENERATED FILE -- DO NOT EDIT *** */
/* *** THIS IS A GENERATED FILE -- DO NOT EDIT *** */
/* *** THIS IS A GENERATED FILE -- DO NOT EDIT *** */
EOF
;
# Parsed Function Data
# hash of string->string (hal's function name to return type)
my %return_types = ();
# hash of string->list of strings (ordered list of parameter names)
my %parameter_names = ();
# hash of string->list of strings (ordered list of parameter types)
my %parameter_types = ();
# Pick apart the return type, parameter types, and parameter names for each HAL function
sub parse_prototype($) {
my $proto = shift @_;
$proto =~
/^((?:(?:const|struct)\s*)*[^\s]+(?:[\s]*\*)?)[\s]*__ahdecl\(\*([^\)]*)\)\((.*)\);/;
my $return_type = $1;
my $member_name = $2;
my $parameterlist = $3;
my $api_name = $wrapper_names{$member_name};
if ( exists $wrapper_names{$member_name} ) {
if ( !defined $api_name ) {
return; # known name, but no wrapper needed
}
}
else {
print STDERR "No wrapper name for $member_name\n";
exit 1;
}
$return_types{"$member_name"} = $return_type;
@{ $parameter_names{"$member_name"} } = ();
@{ $parameter_types{"$member_name"} } = ();
my @parameters = split /,\s?/, $parameterlist;
my $argnum = 0;
foreach (@parameters) {
s/ \*/\* /;
/^((?:(?:const|struct|\*)\s*)*)([^\s]+\*?)\s*([^\s]*)\s*/;
my $type = "$1$2";
my $name = "$3";
if ( 0 == length($name) ) {
if ( $argnum == 0 && $type =~ /ath_hal/ ) {
$name = "ah";
}
else {
$name = "a$argnum";
}
}
push @{ $parameter_names{$member_name} }, $name;
push @{ $parameter_types{$member_name} }, $type;
$argnum++;
}
}
# Parse and scrub the hal structure's member function declarations
sub parse_input() {
my $line_continued = 0;
my $line_buffer = "";
foreach (<INPUT>) {
chomp($_);
s/\s+$//g;
s/^\s+//g;
s/\s+/ /g;
if ( /__ahdecl\s*\(.*/ || $line_continued ) {
$line_buffer .= "$_";
if ( /__ahdecl.*;/ || ( $line_continued && /;/ ) ) {
parse_prototype($line_buffer);
$line_buffer = "";
$line_continued = 0;
}
else {
$line_buffer .= " ";
$line_continued = 1;
}
}
}
}
# Arrange spaces in the type name nicely
sub format_type($) {
my $type = shift @_;
if ( $type =~ /\*$/ ) {
$type =~ s/^([^*]*[^*\s])\s*(\*+)$/$1 $2/;
}
else {
$type .= " ";
}
return $type;
}
# Generate the header file
sub generate_output() {
print OUTPUT $header;
for my $member_name ( keys %return_types ) {
my $api_name = $wrapper_names{$member_name};
my $api_return_type = $return_types{$member_name};
my $ret_void = ( $api_return_type =~ /void/ );
print OUTPUT "\nstatic inline "
. format_type($api_return_type)
. "$api_name(";
my @names = @{ $parameter_names{$member_name} };
my @types = @{ $parameter_types{$member_name} };
for my $i ( 0 .. $#names ) {
if ($i) {
print OUTPUT ", ";
}
print OUTPUT format_type( $types[$i] ) . $names[$i];
}
print OUTPUT ")\n{";
if ( !$ret_void ) {
print OUTPUT "\n\t" . format_type($api_return_type) . "ret;";
}
print OUTPUT "\n\tATH_HAL_LOCK_IRQ(ah->ah_sc);";
print OUTPUT "\n\tath_hal_set_function(__func__);";
print OUTPUT "\n\tath_hal_set_device(SC_DEV_NAME(ah->ah_sc));";
print OUTPUT "\n\t";
if ( !$ret_void ) {
print OUTPUT "ret = ";
}
print OUTPUT "ah->$member_name(";
for my $j ( 0 .. $#names ) {
if ($j) {
print OUTPUT ", ";
}
print OUTPUT $names[$j];
}
print OUTPUT ");";
print OUTPUT "\n\tath_hal_set_function(NULL);";
print OUTPUT "\n\tath_hal_set_device(NULL);";
print OUTPUT "\n\tATH_HAL_UNLOCK_IRQ(ah->ah_sc);";
if ( !$ret_void ) {
print OUTPUT "\n\treturn ret;";
}
print OUTPUT "\n}\n";
}
print OUTPUT "\n/* Example script to create a HAL function unmangling SED script: ";
print OUTPUT "\n";
print OUTPUT "\n dmesg -c &>/dev/null && iwpriv ath0 dump_hal_map && dmesg | \\";
print OUTPUT "\n sed -n -r -e \"/zz[0-9a-f]{8}/ { s~^([^+]*)[^=]*=(.*)~s/\\1\\\/\\2 (\\1)/g~; p; } \" \\";
print OUTPUT "\n >hal_unmangle.sed";
print OUTPUT "\n";
print OUTPUT "\n * Example usage:";
print OUTPUT "\n";
print OUTPUT "\n tail -f /var/log/messages | sed -f hal_unmangle.sed ";
print OUTPUT "\n */";
print OUTPUT "\nstatic inline void ath_hal_dump_map(struct ath_hal* ah) {";
print OUTPUT "\n#ifdef CONFIG_KALLSYMS\n";
for my $member_name ( keys %return_types ) {
my $api_name = $member_name;
my $api_return_type = $return_types{$member_name};
my $ret_void = ( $api_return_type =~ /void/ );
print OUTPUT "\n\t/* "
. format_type($api_return_type)
. "$api_name(";
my @names = @{ $parameter_names{$member_name} };
my @types = @{ $parameter_types{$member_name} };
for my $i ( 0 .. $#names ) {
if ($i) {
print OUTPUT ", ";
}
print OUTPUT format_type( $types[$i] ) . $names[$i];
}
print OUTPUT ") */";
print OUTPUT "\n\t__print_symbol(\"%s=" . $member_name
. "\\n\", (unsigned long)ah->"
. $member_name . ");";
}
print OUTPUT "\n#else /* #ifdef CONFIG_KALLSYMS */\n";
print OUTPUT "\nprintk(\"To use this feature you must enable "
. "CONFIG_KALLSYMS in your kernel.\");\n";
print OUTPUT "\n#endif /* #ifndef CONFIG_KALLSYMS */\n";
print OUTPUT "\n}\n";
print OUTPUT $footer;
}
sub main () {
# Get input and output files from the arguments
if ( $#ARGV != 1 ) {
print STDERR "Need two arguments: input and output\n";
exit 1;
}
my $input_header = $ARGV[0];
my $output_header = $ARGV[1];
if ( !open INPUT, "<$input_header" ) {
die "Cannot open \"$input_header\": $!";
}
parse_input();
close INPUT;
if ( !open OUTPUT, ">$output_header" ) {
close INPUT;
die "Cannot open \"$output_header\": $!";
}
generate_output();
close OUTPUT;
exec "./madwifi-indent $output_header";
}
main();
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