pluto_hdl_adi/projects/scripts/adi_pd.tcl

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## Converts a string input to hex and adds whitespace as padding to obtain the size defined by
# the blocksize parameter.
#
# \param[str] - string input
# \param[blocksize] - size of hex output in bytes
#
# \return - hex
#
proc stringtohex {str blocksize} {
binary scan $str H* hex;
return [format %0-[expr $blocksize * 2]s $hex];
}
## Generates the 8 bit checksum for the input hex string
#
# \param[hex] - string input
#
# \return - 8 bit checksum
#
proc checksum8bit {hex} {
set byte {};
set chks 0;
for {set i 0} {$i < [string length $hex]} {incr i} {
if { ($i+1) % 2 == 0} {
append byte [string index $hex $i];
set chks [expr $chks + "0x$byte"];
} else {
set byte [string index $hex $i];
}
};
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 $chks]] -1]]"] +1]];
}
## Flips the characters of a string, four at a time. Used to fix endianness.
#
# \param[str] - string input
#
# \return - string
#
proc hexstr_flip {str} {
set line {};
set fstr {};
set byte {};
for {set i 0} {$i < [string length $str]} {incr i} {
if {[expr ($i+1) % 8] == 0} {
append line [string index $str $i];
set line_d $line;
set fline {};
for {set j 0} {$j < [string length $line]} {incr j} {
if {[expr ($j+1) % 2] == 0} {
append fline [rev_by_string [append byte [string index $line $j]]];
} else {
set byte [string index $line $j];
}
};
append fstr [rev_by_string $fline];
set line {};
} else {
append line [string index $str $i];
}
};
return $fstr;
}
## Reverses the character order of a string
#
# \param[str] - string input
#
# \return - string
#
proc rev_by_string {str} {
set rev "";
set length [string length $str];
for {set i 0} {$i < $length} {incr i} {
set rev "[string index $str $i]$rev";
};
return $rev;
}
## Generates a file used for initializing the system ROM.
#
# \param[custom_string] - string input
#
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proc sysid_gen_sys_init_file {{custom_string {}}} {
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global project_name;
if {[info exists project_name]} {
puts "project_name: $project_name";
} else {
set project_name [current_project];
puts "project_name: $project_name";
}
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if {[catch {exec git rev-parse HEAD} gitsha_string] != 0} {
set gitsha_string 0;
}
set gitsha_hex [hexstr_flip [stringtohex $gitsha_string 44]];
puts "gitsha_string: $gitsha_string";
puts "gitsha_hex: $gitsha_hex";
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set git_clean_string "f";
if {$gitsha_string != 0} {
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if {[catch {exec git status} gitstat_string] == 0} {
if [expr [string match *modified* $gitstat_string] == 0] {
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set git_clean_string "t";
}
}
if {[catch {exec git branch} gitbranch_string] != 0} {
set gitbranch_string "";
} else {
set gitbranch_string [lindex $gitbranch_string [expr [lsearch -exact $gitbranch_string "*"] + 1]];
}
} else {
set gitbranch_string "";
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}
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set git_clean_hex [hexstr_flip [stringtohex $git_clean_string 4]];
puts "git_clean_string: $git_clean_string";
puts "git_clean_hex: $git_clean_hex";
set git_branch_hex [hexstr_flip [stringtohex $gitbranch_string 28]];
puts "gitbranch_string: $gitbranch_string";
puts "git_branch_hex: $git_branch_hex";
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set vadj_check_string "vadj";
set vadj_check_hex [hexstr_flip [stringtohex $vadj_check_string 4]];
puts "vadj_check_string: $vadj_check_string";
puts "vadj_check_hex: $vadj_check_hex";
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set thetime [clock seconds];
set timedate_hex [hexstr_flip [stringtohex $thetime 12]];
puts "thetime: $thetime";
puts "timedate_hex: $timedate_hex";
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set verh_hex {};
set verh_size 448;
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";
set verh_hex [format %0-[expr [expr $verh_size] * 8]s $verh_hex];
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set table_size 16;
set comh_size [expr 8 * $table_size];
set comh_ver_hex "00000002";
set boardname_string [lindex [split $project_name _] [expr [llength [split $project_name _]] - 1]];
set boardname_hex [hexstr_flip [stringtohex $boardname_string 32]];
puts "boardname_string: $boardname_string";
puts "boardname_hex: $boardname_hex";
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set projname_string [string trimright [string trimright $project_name $boardname_string] _]
set projname_hex [hexstr_flip [stringtohex $projname_string 32]];
puts "projname_string: $projname_string";
puts "projname_hex: $projname_hex";
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set custom_hex [hexstr_flip [stringtohex $custom_string 64]];
puts "custom_string: $custom_string";
puts "custom_hex: $custom_hex";
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set pr_offset "00000000";
set comh_hex {};
append comh_hex $comh_ver_hex;
set offset $table_size;
append comh_hex [format %08s [format %0.2x $offset]];
set offset [expr $table_size + $verh_size];
append comh_hex [format %08s [format %0.2x $offset]];
set offset [expr $offset + [expr [string length $projname_hex] / 8]];
append comh_hex [format %08s [format %0.2x $offset]];
set offset [expr $offset + [expr [string length $boardname_hex] / 8]];
append comh_hex [format %08s [format %0.2x $offset]];
set offset $pr_offset;
append comh_hex [format %08s $offset];
set comh_hex [format %0-[expr [expr $table_size - 2] * 8]s $comh_hex];
append comh_hex "00000000" [checksum8bit $comh_hex] "000000";
set sys_mem_hex [format %0-[expr 512 * 8]s [concat $comh_hex$verh_hex$projname_hex$boardname_hex$custom_hex]];
set sys_mem_file [open "mem_init_sys.txt" "w"];
for {set i 0} {$i < [string length $sys_mem_hex]} {incr i} {
if { ($i+1) % 8 == 0} {
puts $sys_mem_file [string index $sys_mem_hex $i];
} else {
puts -nonewline $sys_mem_file [string index $sys_mem_hex $i];
}
};
close $sys_mem_file;
}
## Generates a file used for initializing the PR ROM.
#
# \param[custom_string] - string input
#
proc sysid_gen_pr_init_file {custom_string} {
set custom_hex [stringtohex $custom_string 64];
set pr_mem_file [open "mem_init_pr.txt" "w"];
for {set i 0} {$i < [string length $custom_hex]} {incr i} {
if { ($i+1) % 8 == 0} {
puts $pr_mem_file [string index $custom_hex $i];
} else {
puts -nonewline $pr_mem_file [string index $custom_hex $i];
}
};
close $pr_mem_file;
}