$rcsid = q~$Id$~;
($junk, $file, $version, $date, $time, $programmer, $status)
- = split(/\s+/, $rcsid);
+ = split(/\s+/, $rcsid);
($programName) = ($file =~ /(\S+),v/);
-if ($#ARGV != 0) {
- Usage();
+if ($#ARGV < 0 || $#ARGV > 1 ) {
+ Usage();
+}
+$processor = uc(shift);
+$path = shift;
+
+if ($^O eq 'MSWin32') {
+ if ($path eq '') {
+ if (defined($path = $ENV{'GPUTILS_HEADER_PATH'}) || defined($path = $ENV{'GPUTILS_LKR_PATH'})) {
+ $path .= '\\..';
+ }
+ else {
+ die "Could not find gpasm includes.\n";
+ }
+ }
+ $path_delim = '\\';
+}
+else {
+ # Nathan Hurst <njh@mail.csse.monash.edu.au>: find gputils on Debian
+ if ($path eq '') {
+ if ( -x "/usr/share/gputils") {
+ $path = "/usr/share/gputils";
+ } elsif ( -x "/usr/share/gpasm") {
+ $path = "/usr/share/gpasm";
+ } else {
+ die "Could not find gpasm includes.\n";
+ }
+ }
+ $path_delim = '/';
}
#
# Read the symbols at the end of this file.
#
while (<DATA>) {
- next if /^\s*#/;
+ next if /^\s*#/;
- if (/^alias\s+(\S+)\s+(\S+)/) {
- #
- # Set an alias for a special function register.
- # Some MPASM include files are not entirely consistent
- # with sfr names.
- #
- $alias{$2} = $1;
- } elsif (/^address\s+(\S+)\s+(\S+)/) {
- #
- # Set a default address for a special function register.
- # Some MPASM include files don't specify the address
- # of all registers.
- #
- $addr{"$1"} = $2;
- } elsif (/^(\S+)/) {
- $type = $1;
- } else {
- foreach $key (split) {
- eval "\$type{'$key'} = $type;";
- }
+ if (/^\s*alias\s+(\S+)\s+(\S+)/) {
+ #
+ # Set an alias for a special function register.
+ # Some MPASM include files are not entirely consistent
+ # with sfr names.
+ #
+ $alias{$2} = $1;
+ } elsif (/^\s*address\s+(\S+)\s+(\S+)/) {
+ #
+ # Set a default address for a special function register.
+ # Some MPASM include files don't specify the address
+ # of all registers.
+ #
+ # $addr{"$1"} = $2;
+ foreach $device (split(/[,\s]+/, $devices)) {
+ $addr{"p$device", "$1"} = $2;
+ }
+ } elsif (/^\s*bitmask\s+(\S+)\s+/) {
+ #
+ # Set the bitmask that will be used in the 'memmap' pragma.
+ #
+ $bitmask = "$1";
+ foreach $register (split(/\s+/, $')) {
+ $bitmask{"$register"} = $bitmask;
+ }
+ } elsif (/^\s*ram\s+(\S+)\s+(\S+)\s+(\S+)/) {
+ $lo = $1;
+ $hi = $2;
+ $bitmask = $3;
+ foreach $device (split(/[,\s]+/, $devices)) {
+ $ram{"p$device"} .= "#pragma memmap $lo $hi RAM $bitmask$'";
+ }
+ } elsif (/^\s*processor\s+/) {
+ $devices = $';
+ $type = '';
+ } elsif (/^\s*(\S+)/) {
+ $type = $1;
+ $_ = $';
+ foreach $key (split) {
+ eval "\$type{'$key'} = $type;";
}
+ } else {
+ foreach $key (split) {
+ eval "\$type{'$key'} = $type;";
+ }
+ }
}
#
-# Print the header.
+# Read the linker file.
#
-print <<EOT;
-//
-// This header file was automatically generated by:
-//
-//\t$programName V$version
-//
-//
+# $linkFile = "$path/lkr/" . lc $processor . ".lkr";
+# open(LINK, "<$linkFile")
+# || die "$programName: Error: Cannot open linker file $linkFile ($!)\n";
+# while (<LINK>) {
+# if (/^(\S+)\s+NAME=(\S+)\s+START=(\S+)\s+END=(\S+)\s+(PROTECTED)?/) {
+# $type = $1;
+# $name = $2;
+# $start = $3;
+# $end = $4;
+# $protected = 1 if ($5 =~ /protected/i);
-#ifndef BIT_AT
-#define BIT_AT(base,bitno) bit at ((base<<3)+bitno)
-#endif
+# if ($type =~ /(SHAREBANK)|(DATABANK)/i) {
+# $ram{"p$processor"} .=
+# sprintf("#pragma memmap %7s %7s RAM 0x000\t// $name\n",
+# $start, $end);
+# }
+# } elsif (/^SECTION\s+NAME=(\S+)\s+ROM=(\S+)\s+/) {
+# }
+# }
+# Create header for pic${processor}.c file
+$lcproc = "pic" . lc($processor);
+$c_head = <<EOT;
+/* Register definitions for $lcproc.
+ * This file was automatically generated by:
+ * $programName V$version
+ * Copyright (c) 2002, Kevin L. Pauba, All Rights Reserved
+ */
+#include <${lcproc}.h>
EOT
# Convert the file.
#
$defaultType = 'other';
-while (<>) {
- if (/^;-* (\S+) Bits/i) {
- if (defined($alias{$1})) {
- $defaultType = "bits $alias{$1}";
- } else {
- $defaultType = "bits $1";
- }
- s/;/\/\//;
- print "$_";
- } elsif (/^;-* Register Files/i) {
- $defaultType = 'sfr';
- s/;/\/\//;
- print "$_";
- } elsif (/^;=*/i) {
- $defaultType = '';
- s/;/\/\//;
- print "$_";
- } elsif (/^\s*;/) {
- #
- # Convert ASM comments to C style.
- #
- print "//$'";
- } elsif (/^\s*IFNDEF __(\S+)/) {
- #
- # Processor type.
- #
- $processor = $1;
- print "//$_";
- } elsif (/^\s*(\S+)\s+EQU\s+H'(.+)'/) {
- #
- # Useful bit of information.
- #
- $name = $1;
- $value = $2;
- $rest = $';
- $rest =~ s/;/\/\//;
- chomp($rest);
-
- if (defined($type{"$name"})) {
- $type = $type{"$name"};
- } else {
- $type = $defaultType;
- }
-
- if ($type eq 'sfr') {
- #
- # A special function register.
- #
- printf("sfr at 0x%s %s;$rest\n", $value, $name);
- $addr{"$name"} = "0x$value";
- } elsif ($type eq 'volatile') {
- #
- # A location that can change without
- # direct program manipulation.
- #
- printf("data at 0x%s volatile char %s;$rest\n", $value, $name);
- } elsif ($type =~ /^bits/) {
- ($junk, $register) = split(/\s/, $type);
- $bit = hex($value);
- $addr = $addr{"$register"};
- printf("BIT_AT($addr,$bit) $name;$rest\n");
- } else {
- #
- # Other registers, bits and/or configurations.
- #
- if ($type eq 'other') {
- #
- # A known symbol.
- #
- printf("#define %-20s 0x%s$rest\n", $name, $value);
- } else {
- #
- # A symbol that isn't defined in the data
- # section at the end of the file. Let's
- # add a comment so that we can add it later.
- #
- printf("#define %-20s 0x%s$rest\n",
- $name, $value);
- }
- }
- } elsif (/^\s*$/) {
+$includeFile = $path.$path_delim.'header'.$path_delim.'p'.lc($processor).'.inc';
+$defsFile = "pic" . lc($processor) . ".c";
+open(HEADER, "<$includeFile")
+ || die "$programName: Error: Cannot open include file $includeFile ($!)\n";
+
+while (<HEADER>) {
+ if (/^;-+ (\S+) Bits/i) {
+ # also accept "UIE/UIR Bits"
+ foreach $name (split(/\//, $1)) {
+ if (defined($alias{$name})) {
+ $defaultType = "bits $alias{$name}";
+ } else {
+ $defaultType = "bits $name";
+ }
+ }
+ s/;/\/\//;
+ $body .= "$_";
+ } elsif (/^;-+ Register Files/i) {
+ $defaultType = 'sfr';
+ s/;/\/\//;
+ $body .= "$_";
+ } elsif (/^;=+/i) {
+ $defaultType = '';
+ s/;/\/\//;
+ $body .= "$_";
+ } elsif (/^\s*;/) {
+ #
+ # Convert ASM comments to C style.
+ #
+ $body .= "//$'";
+ } elsif (/^\s*IFNDEF __(\S+)/) {
+ #
+ # Processor type.
+ #
+ $processor = $1;
+ $body .= "//$_";
+ } elsif (/^\s*(\S+)\s+EQU\s+H'(.+)'/) {
+ #
+ # Useful bit of information.
+ #
+ $name = $1;
+ $value = $2;
+ $rest = $';
+ $rest =~ s/;/\/\//;
+ chomp($rest);
+
+ if (defined($type{"p$processor", "$name"})) {
+ $type = $type{"p$processor", "$name"};
+ } elsif (defined($type{"$name"})) {
+ $type = $type{"$name"};
+ } else {
+ $type = $defaultType;
+ }
+
+ if (defined($bitmask{"p$processor", "$name"})) {
+ $bitmask = $bitmask{"p$processor", "$name"};
+# } elsif (defined($bitmask{"$name"})) {
+# $bitmask = $bitmask{"$name"};
+ } else {
+ $bitmask = "0x000";
+ }
+
+ if ($type eq 'sfr') {
+ #
+ # A special function register.
+ #
+ $pragmas .= sprintf("#pragma memmap %s_ADDR %s_ADDR "
+ . "SFR %s\t// %s\n",
+ $name, $name, $bitmask, $name);
+ if (defined $addr{"p$processor", "$name"}) {
+ $addresses .= sprintf("#define %s_ADDR\t0x%s\n", $name, $addr{"p$processor", "$name"});
+ } else {
+ $addresses .= sprintf("#define %s_ADDR\t0x%s\n", $name, $value);
+ }
+ $body .= sprintf("extern __sfr __at %-30s $name;$rest\n", "(${name}_ADDR)" );
+ $c_head .= sprintf("__sfr __at %-30s $name;\n", "(${name}_ADDR)");
+ $addr{"p$processor", "$name"} = "0x$value";
+ } elsif ($type eq 'volatile') {
+ #
+ # A location that can change without
+ # direct program manipulation.
+ #
+ $pragmas .= sprintf("#pragma memmap %s_ADDR %s_ADDR "
+ . "SFR %s\t// %s\n",
+ $name, $name, $bitmask, $name);
+ $body .= sprintf("extern __data __at %-30s $name;$rest\n", "(${name}_ADDR) volatile char");
+ $c_head .= sprintf("__data __at %-30s $name;\n", "(${name}_ADDR) volatile char");
+ if (defined $addr{"p$processor", "$name"}) {
+ $addresses .= sprintf("#define %s_ADDR\t0x%s\n", $name, $addr{"p$processor", "$name"});
+ } else {
+ $addresses .= sprintf("#define %s_ADDR\t0x%s\n", $name, $value);
+ }
+ } elsif ($type =~ /^bits/) {
+ ($junk, $register) = split(/\s/, $type);
+ $bit = hex($value);
+ $addr = $addr{"$register"};
+ # prepare struct declaration
+ for ($k=0; $k < scalar @{$bits{"$register"}->{oct($bit)}}; $k++) {
+ $name = "" if ($bits{"$register"}->{oct($bit)} eq $name)
+ }
+ if ($name ne "") {
+ push @{$bits{"$register"}->{oct($bit)}}, $name;
+ }
+ } else {
+ #
+ # Other registers, bits and/or configurations.
+ #
+ if ($type eq 'other') {
#
- # Blank line.
+ # A known symbol.
#
- print;
- } else {
+ $body .= sprintf("#define %-20s 0x%s$rest\n", $name, $value);
+ } else {
#
- # Anything else we'll just comment out.
+ # A symbol that isn't defined in the data
+ # section at the end of the file. Let's
+ # add a comment so that we can add it later.
#
- print "// $_";
+ $body .= sprintf("#define %-20s 0x%s$rest\n",
+ $name, $value);
+ }
}
+ } elsif (/^\s*$/) {
+ #
+ # Blank line.
+ #
+ $body .= "\n";
+ } elsif (/__MAXRAM\s+H'([0-9a-fA-F]+)'/) {
+ $maxram .= "//\n// Memory organization.\n//\n";
+ $pragmas = $maxram
+ . $ram{"p$processor"} . "\n"
+ . $pragmas;
+ $body .= "// $_";
+ } else {
+ #
+ # Anything else we'll just comment out.
+ #
+ $body .= "// $_";
+ }
}
+$header .= <<EOT;
+//
+// Register Declarations for Microchip $processor Processor
+//
+//
+// This header file was automatically generated by:
+//
+//\t$programName V$version
+//
+//\tCopyright (c) 2002, Kevin L. Pauba, All Rights Reserved
+//
+//\tSDCC is licensed under the GNU Public license (GPL) v2. Note that
+//\tthis license covers the code to the compiler and other executables,
+//\tbut explicitly does not cover any code or objects generated by sdcc.
+//\tWe have not yet decided on a license for the run time libraries, but
+//\tit will not put any requirements on code linked against it. See:
+//
+//\thttp://www.gnu.org/copyleft/gpl/html
+//
+//\tSee http://sdcc.sourceforge.net/ for the latest information on sdcc.
+//
+//
+#ifndef P${processor}_H
+#define P${processor}_H
+
+//
+// Register addresses.
+//
+EOT
+
+$c_head .= <<EOT;
+
+//
+// bitfield definitions
+//
+EOT
+
+$structs = "";
+## create struct declarations
+foreach $reg (sort keys %bits)
+{
+ $structs .= "// ----- $reg bits --------------------\n";
+ $structs .= "typedef union {\n";
+ $idx = 0; $max = 1;
+ do {
+ $structs .= " struct {\n";
+ for ($i=0; $i < 8; $i++)
+ {
+ @names = @{$bits{$reg}->{oct($i)}};
+ if ($max < scalar @names) { $max = scalar @names; }
+ if ($idx >= scalar @names) {
+ $structs .= " unsigned char :1;\n";
+ } else { # (1 == scalar @names) {
+ $structs .= " unsigned char " . $names[$idx] . ":1;\n";
+# } else {
+# $structs .= " union {\n";
+# foreach $name (@names) {
+# $structs .= " unsigned char " . $name . ":1;\n";
+# } # foreach
+# $structs .= " };\n";
+ }
+ } # for
+ $structs .= " };\n";
+ $idx++;
+ } while ($idx < $max);
+ $structs .= "} __${reg}_bits_t;\n";
+ $structs .= "extern volatile __${reg}_bits_t __at(${reg}_ADDR) ${reg}_bits;\n\n";
+ $c_head .= "volatile __${reg}_bits_t __at(${reg}_ADDR) ${reg}_bits;\n";
+
+ # emit defines for individual bits
+ for ($i=0; $i < 8; $i++)
+ {
+ @names = @{$bits{$reg}->{oct($i)}};
+ foreach $field (@names) {
+ $structs .= sprintf("#define %-20s ${reg}_bits.$field\n", $field);
+ } # foreach
+ }
+ $structs .= "\n";
+} # foreach
+
+print $header
+ . $addresses . "\n"
+ . $pragmas . "\n\n"
+ . $body . "\n"
+ . $structs
+ . "#endif\n";
+
+open(DEFS, ">$defsFile") or die "Could not open $defsFile for writing.";
+print DEFS $c_head . "\n";
+close DEFS;
sub Usage {
print STDERR <<EOT;
http://www.gnu.org/copyleft/gpl.html See http://sdcc.sourceforge.net/
for the latest information on sdcc.
-Usage: $programName [file]
+Usage: $programName processor [path]
where:
- file A MPASM include file name. If none is supplied, the
- standard input will be used.
+ processor The name of the processor (16f84, 16f877, etc.)
- The header file will be written to the standard output.
+ path The path to the parent of the "header" and "lkr"
+ directories. The default is "/usr/share/gpasm".
+ The header file will be written to the standard output.
+ $#ARGV
EOT
exit;
}
__END__
-alias OPTION_REG OPTION
-address OPTION_REG 0x0081
-
-sfr
-
-volatile
- INDF PCL
-
-bit
+#
+# processor <processor_name>
+# address <register_name> <hex_address>
+# bitmask <bitmask> <register_list>
+# ram <lo_address> <hi_address> <bitmask>
+# sfr <register_list>
+# volatile <address_list>
+# bit <address_list>
+#
+alias OPTION_REG OPTION
+volatile INDF PCL
projects / fw / sdcc / blobdiff