435 lines
11 KiB
Plaintext
435 lines
11 KiB
Plaintext
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#!/usr/bin/perl -w
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-3-Clause
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# Copyright (C) 2019--2020 Intel Corporation
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use Getopt::Long qw(:config no_ignore_case);
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use File::Basename;
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my $ccsregs = "ccs-regs.asc";
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my $header;
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my $regarray;
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my $limitc;
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my $limith;
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my $kernel;
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my $help;
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GetOptions("ccsregs|c=s" => \$ccsregs,
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"header|e=s" => \$header,
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"regarray|r=s" => \$regarray,
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"limitc|l=s" => \$limitc,
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"limith|L=s" => \$limith,
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"kernel|k" => \$kernel,
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"help|h" => \$help) or die "can't parse options";
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$help = 1 if ! defined $header || ! defined $limitc || ! defined $limith;
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if (defined $help) {
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print <<EOH
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$0 - Create CCS register definitions for C
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usage: $0 -c ccs-regs.asc -e header -r regarray -l limit-c -L limit-header [-k]
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-c ccs register file
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-e header file name
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-r register description array file name
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-l limit and capability array file name
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-L limit and capability header file name
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-k generate files for kernel space consumption
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EOH
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;
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exit 0;
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}
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my $lh_hdr = ! defined $kernel
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? '#include "ccs-os.h"' . "\n"
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: "#include <linux/bits.h>\n#include <linux/types.h>\n";
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my $uint32_t = ! defined $kernel ? 'uint32_t' : 'u32';
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my $uint16_t = ! defined $kernel ? 'uint16_t' : 'u16';
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open(my $R, "< $ccsregs") or die "can't open $ccsregs";
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open(my $H, "> $header") or die "can't open $header";
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my $A;
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if (defined $regarray) {
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open($A, "> $regarray") or die "can't open $regarray";
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}
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open(my $LC, "> $limitc") or die "can't open $limitc";
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open(my $LH, "> $limith") or die "can't open $limith";
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my %this;
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sub is_limit_reg($) {
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my $addr = hex $_[0];
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return 0 if $addr < 0x40; # weed out status registers
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return 0 if $addr >= 0x100 && $addr < 0xfff; # weed out configuration registers
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return 1;
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}
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my $uc_header = basename uc $header;
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$uc_header =~ s/[^A-Z0-9]/_/g;
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my $copyright = "/* Copyright (C) 2019--2020 Intel Corporation */\n";
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my $license = "SPDX-License-Identifier: GPL-2.0-only OR BSD-3-Clause";
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my $note = "/*\n * Generated by $0;\n * do not modify.\n */\n";
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for my $fh ($A, $LC) {
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print $fh "// $license\n$copyright$note\n" if defined $fh;
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}
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for my $fh ($H, $LH) {
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print $fh "/* $license */\n$copyright$note\n";
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}
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sub bit_def($) {
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my $bit = shift @_;
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return "BIT($bit)" if defined $kernel;
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return "(1U << $bit)" if $bit =~ /^[a-zA-Z0-9_]+$/;
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return "(1U << ($bit))";
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}
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print $H <<EOF
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#ifndef __${uc_header}__
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#define __${uc_header}__
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EOF
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;
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print $H "#include <linux/bits.h>\n\n" if defined $kernel;
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print $H <<EOF
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#define CCS_FL_BASE 16
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EOF
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;
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print $H "#define CCS_FL_16BIT " . bit_def("CCS_FL_BASE") . "\n";
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print $H "#define CCS_FL_32BIT " . bit_def("CCS_FL_BASE + 1") . "\n";
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print $H "#define CCS_FL_FLOAT_IREAL " . bit_def("CCS_FL_BASE + 2") . "\n";
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print $H "#define CCS_FL_IREAL " . bit_def("CCS_FL_BASE + 3") . "\n";
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print $H <<EOF
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#define CCS_R_ADDR(r) ((r) & 0xffff)
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EOF
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;
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print $A <<EOF
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#include <stdint.h>
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#include <stdio.h>
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#include "ccs-extra.h"
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#include "ccs-regs.h"
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EOF
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if defined $A;
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my $uc_limith = basename uc $limith;
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$uc_limith =~ s/[^A-Z0-9]/_/g;
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print $LH <<EOF
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#ifndef __${uc_limith}__
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#define __${uc_limith}__
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$lh_hdr
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struct ccs_limit {
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$uint32_t reg;
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$uint16_t size;
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$uint16_t flags;
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const char *name;
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};
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EOF
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;
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print $LH "#define CCS_L_FL_SAME_REG " . bit_def(0) . "\n\n";
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print $LH <<EOF
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extern const struct ccs_limit ccs_limits[];
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EOF
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;
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print $LC <<EOF
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#include "ccs-limits.h"
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#include "ccs-regs.h"
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const struct ccs_limit ccs_limits[] = {
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EOF
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;
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my $limitcount = 0;
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my $argdescs;
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my $reglist = "const struct ccs_reg_desc ccs_reg_desc[] = {\n";
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sub name_split($$) {
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my ($name, $addr) = @_;
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my $args;
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$name =~ /([^\(]+?)(\(.*)/;
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($name, $args) = ($1, $2);
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$args = [split /,\s*/, $args];
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foreach my $t (@$args) {
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$t =~ s/[\(\)]//g;
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$t =~ s/\//\\\//g;
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}
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return ($name, $addr, $args);
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}
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sub tabconv($) {
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$_ = shift;
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my @l = split "\n", $_;
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map {
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s/ {8,8}/\t/g;
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s/\t\K +//;
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} @l;
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return (join "\n", @l) . "\n";
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}
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sub elem_size(@) {
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my @flags = @_;
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return 2 if grep /^16$/, @flags;
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return 4 if grep /^32$/, @flags;
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return 1;
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}
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sub arr_size($) {
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my $this = $_[0];
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my $size = $this->{elsize};
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my $h = $this->{argparams};
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foreach my $arg (@{$this->{args}}) {
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my $apref = $h->{$arg};
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$size *= $apref->{max} - $apref->{min} + 1;
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}
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return $size;
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}
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sub print_args($$$) {
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my ($this, $postfix, $is_same_reg) = @_;
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my ($args, $argparams, $name) =
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($this->{args}, $this->{argparams}, $this->{name});
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my $varname = "ccs_reg_arg_" . (lc $name) . $postfix;
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my @mins;
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my @sorted_args = @{$this->{sorted_args}};
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my $lim_arg;
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my $size = arr_size($this);
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$argdescs .= "static const struct ccs_reg_arg " . $varname . "[] = {\n";
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foreach my $sorted_arg (@sorted_args) {
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push @mins, $argparams->{$sorted_arg}->{min};
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}
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foreach my $sorted_arg (@sorted_args) {
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my $h = $argparams->{$sorted_arg};
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$argdescs .= "\t{ \"$sorted_arg\", $h->{min}, $h->{max}, $h->{elsize} },\n";
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$lim_arg .= defined $lim_arg ? ", $h->{min}" : "$h->{min}";
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}
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$argdescs .= "};\n\n";
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$reglist .= "\t{ CCS_R_" . (uc $name) . "(" . (join ",", (@mins)) .
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"), $size, sizeof($varname) / sizeof(*$varname)," .
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" \"" . (lc $name) . "\", $varname },\n";
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print $LC tabconv sprintf "\t{ CCS_R_" . (uc $name) . "($lim_arg), " .
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$size . ", " . ($is_same_reg ? "CCS_L_FL_SAME_REG" : "0") .
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", \"$name" . (defined $this->{discontig} ? " $lim_arg" : "") . "\" },\n"
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if is_limit_reg $this->{base_addr};
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}
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my $hdr_data;
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while (<$R>) {
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chop;
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s/^\s*//;
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next if /^[#;]/ || /^$/;
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if (s/^-\s*//) {
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if (s/^b\s*//) {
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my ($bit, $addr) = split /\t+/;
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$bit = uc $bit;
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$hdr_data .= sprintf "#define %-62s %s", "CCS_" . (uc ${this{name}}) ."_$bit", bit_def($addr) . "\n";
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} elsif (s/^f\s*//) {
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s/[,\.-]/_/g;
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my @a = split /\s+/;
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my ($msb, $lsb, $this_field) = reverse @a;
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@a = ( { "name" => "SHIFT", "addr" => $lsb, "fmt" => "%uU", },
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{ "name" => "MASK", "addr" => (1 << ($msb + 1)) - 1 - ((1 << $lsb) - 1), "fmt" => "0x%" . join(".", ($this{"elsize"} >> 2) x 2) . "x" } );
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$this{"field"} = $this_field;
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foreach my $ar (@a) {
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#print $ar->{fmt}."\n";
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$hdr_data .= sprintf "#define %-62s " . $ar->{"fmt"} . "\n", "CCS_" . (uc $this{"name"}) . (defined $this_field ? "_" . uc $this_field : "") . "_" . $ar->{"name"}, $ar->{"addr"} . "\n";
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}
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} elsif (s/^e\s*//) {
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s/[,\.-]/_/g;
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my ($enum, $addr) = split /\s+/;
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$enum = uc $enum;
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$hdr_data .= sprintf "#define %-62s %s", "CCS_" . (uc ${this{name}}) . (defined $this{"field"} ? "_" . uc $this{"field"} : "") ."_$enum", $addr . ($addr =~ /0x/i ? "" : "U") . "\n";
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} elsif (s/^l\s*//) {
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my ($arg, $min, $max, $elsize, @discontig) = split /\s+/;
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my $size;
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foreach my $num ($min, $max) {
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$num = hex $num if $num =~ /0x/i;
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}
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$hdr_data .= sprintf "#define %-62s %s", "CCS_LIM_" . (uc ${this{name}} . "_MIN_$arg"), $min . ($min =~ /0x/i ? "" : "U") . "\n";
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$hdr_data .= sprintf "#define %-62s %s", "CCS_LIM_" . (uc ${this{name}} . "_MAX_$arg"), $max . ($max =~ /0x/i ? "" : "U") . "\n";
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my $h = $this{argparams};
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$h->{$arg} = { "min" => $min,
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"max" => $max,
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"elsize" => $elsize =~ /^0x/ ? hex $elsize : $elsize,
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"discontig" => \@discontig };
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$this{discontig} = $arg if @discontig;
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next if $#{$this{args}} + 1 != scalar keys %{$this{argparams}};
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my $reg_formula = "($this{addr}";
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my $lim_formula;
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foreach my $arg (@{$this{args}}) {
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my $d = $h->{$arg}->{discontig};
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my $times = $h->{$arg}->{elsize} != 1 ?
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" * " . $h->{$arg}->{elsize} : "";
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if (@$d) {
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my ($lim, $offset) = split /,/, $d->[0];
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$reg_formula .= " + (($arg) < $lim ? ($arg)$times : $offset + (($arg) - $lim)$times)";
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} else {
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$reg_formula .= " + ($arg)$times";
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}
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$lim_formula .= (defined $lim_formula ? " + " : "") . "($arg)$times";
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}
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$reg_formula .= ")\n";
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$lim_formula =~ s/^\(([a-z0-9]+)\)$/$1/i;
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print $H tabconv sprintf("#define %-62s %s", "CCS_R_" . (uc $this{name}) .
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$this{arglist}, $reg_formula);
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print $H tabconv $hdr_data;
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undef $hdr_data;
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# Sort arguments in descending order by size
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@{$this{sorted_args}} = sort {
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$h->{$a}->{elsize} <= $h->{$b}->{elsize}
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} @{$this{args}};
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if (defined $this{discontig}) {
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my $da = $this{argparams}->{$this{discontig}};
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my ($first_discontig) = split /,/, $da->{discontig}->[0];
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my $max = $da->{max};
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$da->{max} = $first_discontig - 1;
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print_args(\%this, "", 0);
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$da->{min} = $da->{max} + 1;
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$da->{max} = $max;
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print_args(\%this, $first_discontig, 1);
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} else {
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print_args(\%this, "", 0);
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}
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next unless is_limit_reg $this{base_addr};
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print $LH tabconv sprintf "#define %-63s%s\n",
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"CCS_L_" . (uc $this{name}) . "_OFFSET(" .
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(join ", ", @{$this{args}}) . ")", "($lim_formula)";
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}
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||
|
|
if (! @{$this{args}}) {
|
||
|
|
print $H tabconv($hdr_data);
|
||
|
|
undef $hdr_data;
|
||
|
|
}
|
||
|
|
|
||
|
|
next;
|
||
|
|
}
|
||
|
|
|
||
|
|
my ($name, $addr, @flags) = split /\t+/, $_;
|
||
|
|
my $args = [];
|
||
|
|
|
||
|
|
my $sp;
|
||
|
|
|
||
|
|
($name, $addr, $args) = name_split($name, $addr) if /\(.*\)/;
|
||
|
|
|
||
|
|
$name =~ s/[,\.-]/_/g;
|
||
|
|
|
||
|
|
my $flagstring = "";
|
||
|
|
my $size = elem_size(@flags);
|
||
|
|
$flagstring .= "| CCS_FL_16BIT " if $size eq "2";
|
||
|
|
$flagstring .= "| CCS_FL_32BIT " if $size eq "4";
|
||
|
|
$flagstring .= "| CCS_FL_FLOAT_IREAL " if grep /^float_ireal$/, @flags;
|
||
|
|
$flagstring .= "| CCS_FL_IREAL " if grep /^ireal$/, @flags;
|
||
|
|
$flagstring =~ s/^\| //;
|
||
|
|
$flagstring =~ s/ $//;
|
||
|
|
$flagstring = "($flagstring)" if $flagstring =~ /\|/;
|
||
|
|
my $base_addr = $addr;
|
||
|
|
$addr = "($addr | $flagstring)" if $flagstring ne "";
|
||
|
|
|
||
|
|
my $arglist = @$args ? "(" . (join ", ", @$args) . ")" : "";
|
||
|
|
$hdr_data .= sprintf "#define %-62s %s\n", "CCS_R_" . (uc $name), $addr
|
||
|
|
if !@$args;
|
||
|
|
|
||
|
|
$name =~ s/\(.*//;
|
||
|
|
|
||
|
|
%this = ( name => $name,
|
||
|
|
addr => $addr,
|
||
|
|
base_addr => $base_addr,
|
||
|
|
argparams => {},
|
||
|
|
args => $args,
|
||
|
|
arglist => $arglist,
|
||
|
|
elsize => $size,
|
||
|
|
);
|
||
|
|
|
||
|
|
if (!@$args) {
|
||
|
|
$reglist .= "\t{ CCS_R_" . (uc $name) . ", 1, 0, \"" . (lc $name) . "\", NULL },\n";
|
||
|
|
print $H tabconv $hdr_data;
|
||
|
|
undef $hdr_data;
|
||
|
|
|
||
|
|
print $LC tabconv sprintf "\t{ CCS_R_" . (uc $name) . ", " .
|
||
|
|
$this{elsize} . ", 0, \"$name\" },\n"
|
||
|
|
if is_limit_reg $this{base_addr};
|
||
|
|
}
|
||
|
|
|
||
|
|
print $LH tabconv sprintf "#define %-63s%s\n",
|
||
|
|
"CCS_L_" . (uc $this{name}), $limitcount++
|
||
|
|
if is_limit_reg $this{base_addr};
|
||
|
|
}
|
||
|
|
|
||
|
|
if (defined $A) {
|
||
|
|
print $A $argdescs, $reglist;
|
||
|
|
|
||
|
|
print $A "\t{ 0 }\n";
|
||
|
|
|
||
|
|
print $A "};\n";
|
||
|
|
}
|
||
|
|
|
||
|
|
print $H "\n#endif /* __${uc_header}__ */\n";
|
||
|
|
|
||
|
|
print $LH tabconv sprintf "#define %-63s%s\n", "CCS_L_LAST", $limitcount;
|
||
|
|
|
||
|
|
print $LH "\n#endif /* __${uc_limith}__ */\n";
|
||
|
|
|
||
|
|
print $LC "\t{ 0 } /* Guardian */\n";
|
||
|
|
print $LC "};\n";
|
||
|
|
|
||
|
|
close($R);
|
||
|
|
close($H);
|
||
|
|
close($A) if defined $A;
|
||
|
|
close($LC);
|
||
|
|
close($LH);
|