234 lines
6.4 KiB
Tcl
234 lines
6.4 KiB
Tcl
## Converts a string input to hex and adds whitespace as padding to obtain the size defined by
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# the blocksize parameter.
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#
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# \param[str] - string input
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# \param[blocksize] - size of hex output in bytes
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#
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# \return - hex
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#
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proc stringtohex {str blocksize} {
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binary scan $str H* hex;
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return [format %0-[expr $blocksize * 2]s $hex];
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}
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## Generates the 8 bit checksum for the input hex string
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#
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# \param[hex] - string input
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#
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# \return - 8 bit checksum
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#
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proc checksum8bit {hex} {
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set byte {};
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set chks 0;
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for {set i 0} {$i < [string length $hex]} {incr i} {
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if { ($i+1) % 2 == 0} {
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append byte [string index $hex $i];
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set chks [expr $chks + "0x$byte"];
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} else {
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set byte [string index $hex $i];
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}
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};
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return [format %0.2x [expr 255 - [expr "0x[string range [format %0.2x $chks] [expr [string length [format %0.2x $chks]] -2] [expr [string length [format %0.2x $chks]] -1]]"] +1]];
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}
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## Flips the characters of a string, four at a time. Used to fix endianness.
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#
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# \param[str] - string input
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#
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# \return - string
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#
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proc hexstr_flip {str} {
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set line {};
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set fstr {};
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set byte {};
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for {set i 0} {$i < [string length $str]} {incr i} {
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if {[expr ($i+1) % 8] == 0} {
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append line [string index $str $i];
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set line_d $line;
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set fline {};
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for {set j 0} {$j < [string length $line]} {incr j} {
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if {[expr ($j+1) % 2] == 0} {
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append fline [rev_by_string [append byte [string index $line $j]]];
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} else {
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set byte [string index $line $j];
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}
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};
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append fstr [rev_by_string $fline];
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set line {};
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} else {
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append line [string index $str $i];
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}
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};
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return $fstr;
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}
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## Reverses the character order of a string
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#
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# \param[str] - string input
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#
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# \return - string
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#
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proc rev_by_string {str} {
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set rev "";
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set length [string length $str];
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for {set i 0} {$i < $length} {incr i} {
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set rev "[string index $str $i]$rev";
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};
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return $rev;
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}
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## Generates a file used for initializing the system ROM.
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#
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# \param[custom_string] - string input
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#
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proc sysid_gen_sys_init_file {{custom_string {}}} {
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global project_name;
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if {[info exists project_name]} {
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puts "project_name: $project_name";
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} else {
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set project_name [current_project];
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puts "project_name: $project_name";
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}
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if {[catch {exec git rev-parse HEAD} gitsha_string] != 0} {
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set gitsha_string 0;
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}
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set gitsha_hex [hexstr_flip [stringtohex $gitsha_string 44]];
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puts "gitsha_string: $gitsha_string";
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puts "gitsha_hex: $gitsha_hex";
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set git_clean_string "f";
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if {$gitsha_string != 0} {
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if {[catch {exec git status} gitstat_string] == 0} {
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if [expr [string match *modified* $gitstat_string] == 0] {
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set git_clean_string "t";
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}
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}
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if {[catch {exec git branch --no-color} gitbranch_string] != 0} {
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set gitbranch_string "";
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} else {
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set gitbranch_string [lindex $gitbranch_string [expr [lsearch -exact $gitbranch_string "*"] + 1]];
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}
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} else {
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set gitbranch_string "";
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}
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set git_clean_hex [hexstr_flip [stringtohex $git_clean_string 4]];
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puts "git_clean_string: $git_clean_string";
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puts "git_clean_hex: $git_clean_hex";
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set git_branch_hex [hexstr_flip [stringtohex $gitbranch_string 28]];
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puts "gitbranch_string: $gitbranch_string";
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puts "git_branch_hex: $git_branch_hex";
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set vadj_check_string "vadj";
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set vadj_check_hex [hexstr_flip [stringtohex $vadj_check_string 4]];
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puts "vadj_check_string: $vadj_check_string";
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puts "vadj_check_hex: $vadj_check_hex";
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set thetime [clock seconds];
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set timedate_hex [hexstr_flip [stringtohex $thetime 12]];
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puts "thetime: $thetime";
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puts "timedate_hex: $timedate_hex";
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set verh_hex {};
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set verh_size 448;
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append verh_hex $git_branch_hex $gitsha_hex $git_clean_hex $vadj_check_hex $timedate_hex;
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append verh_hex "00000000" [checksum8bit $verh_hex] "000000";
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set verh_hex [format %0-[expr [expr $verh_size] * 8]s $verh_hex];
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set table_size 16;
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set comh_size [expr 8 * $table_size];
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set comh_ver_hex "00000002";
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set boardname_string [lindex [split $project_name _] [expr [llength [split $project_name _]] - 1]];
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set boardname_hex [hexstr_flip [stringtohex $boardname_string 32]];
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puts "boardname_string: $boardname_string";
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puts "boardname_hex: $boardname_hex";
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set projname_string [string trimright [string trimright $project_name $boardname_string] _]
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set projname_hex [hexstr_flip [stringtohex $projname_string 32]];
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puts "projname_string: $projname_string";
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puts "projname_hex: $projname_hex";
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set custom_hex [hexstr_flip [stringtohex $custom_string 64]];
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puts "custom_string: $custom_string";
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puts "custom_hex: $custom_hex";
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set pr_offset "00000000";
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set comh_hex {};
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append comh_hex $comh_ver_hex;
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set offset $table_size;
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append comh_hex [format %08s [format %0.2x $offset]];
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set offset [expr $table_size + $verh_size];
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append comh_hex [format %08s [format %0.2x $offset]];
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set offset [expr $offset + [expr [string length $projname_hex] / 8]];
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append comh_hex [format %08s [format %0.2x $offset]];
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set offset [expr $offset + [expr [string length $boardname_hex] / 8]];
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append comh_hex [format %08s [format %0.2x $offset]];
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set offset $pr_offset;
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append comh_hex [format %08s $offset];
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set comh_hex [format %0-[expr [expr $table_size - 2] * 8]s $comh_hex];
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append comh_hex "00000000" [checksum8bit $comh_hex] "000000";
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set sys_mem_hex [format %0-[expr 512 * 8]s [concat $comh_hex$verh_hex$projname_hex$boardname_hex$custom_hex]];
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if {[info exists ::env(ADI_PROJECT_DIR)]} {
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set mem_init_sys_file_path "$::env(ADI_PROJECT_DIR)mem_init_sys.txt";
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} else {
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set mem_init_sys_file_path "mem_init_sys.txt";
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}
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set sys_mem_file [open $mem_init_sys_file_path "w"];
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for {set i 0} {$i < [string length $sys_mem_hex]} {incr i} {
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if { ($i+1) % 8 == 0} {
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puts $sys_mem_file [string index $sys_mem_hex $i];
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} else {
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puts -nonewline $sys_mem_file [string index $sys_mem_hex $i];
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}
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};
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close $sys_mem_file;
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}
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## Generates a file used for initializing the PR ROM.
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#
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# \param[custom_string] - string input
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#
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proc sysid_gen_pr_init_file {custom_string} {
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set custom_hex [stringtohex $custom_string 64];
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set pr_mem_file [open "mem_init_pr.txt" "w"];
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for {set i 0} {$i < [string length $custom_hex]} {incr i} {
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if { ($i+1) % 8 == 0} {
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puts $pr_mem_file [string index $custom_hex $i];
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} else {
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puts -nonewline $pr_mem_file [string index $custom_hex $i];
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}
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};
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close $pr_mem_file;
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}
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