Files
chipyard/fpga/scripts/write_mmi.tcl
2020-10-20 21:20:11 -07:00

76 lines
2.8 KiB
Tcl

proc write_mmi {filepath inst} {
current_instance
current_instance $inst
set chn [open $filepath w]
puts $chn "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
puts $chn "<MemInfo Version=\"1\" Minor=\"0\">"
puts $chn "\t<Processor Endianness=\"Little\" InstPath=\"${inst}\">"
set brams [dict create]
foreach cell [get_cells -hierarchical -filter { PRIMITIVE_GROUP =~ BLOCKRAM }] {
set name [get_property RTL_RAM_NAME $cell]
dict update brams $name name {
dict lappend name cells $cell
dict set name size [get_property RTL_RAM_BITS $cell]
}
}
proc compare {a b} {
set a_addr [get_property bram_addr_begin $a]
set b_addr [get_property bram_addr_begin $b]
if {$a_addr > $b_addr} {
return 1
} elseif {$a_addr < $b_addr} {
return -1
}
set a_slice [get_property bram_slice_begin $a]
set b_slice [get_property bram_slice_begin $b]
if {$a_slice > $b_slice} {
return 1
} elseif {$a_slice < $b_slice} {
return -1
}
return 0
}
dict for {name desc} $brams {
dict with desc {
puts $chn "\t\t<AddressSpace Name=\"${name}\" Begin=\"0\" End=\"[expr $size >> 3]\">"
puts $chn "\t\t\t<BusBlock>"
foreach cell [lsort -command compare $cells] {
set type [switch [get_property REF_NAME $cell] \
RAMB36E2 {expr {"RAMB32"}} \
RAMB36E1 {expr {"RAMB32"}}]
set loc [lindex [split [get_property LOC $cell] "_"] 1]
set lsb [get_property bram_slice_begin $cell]
set msb [get_property bram_slice_end $cell]
set addr_bgn [get_property bram_addr_begin $cell]
set addr_end [get_property bram_addr_end $cell]
puts $chn "\t\t\t\t<BitLane MemType=\"${type}\" Placement=\"${loc}\">"
puts $chn "\t\t\t\t\t<DataWidth MSB=\"${msb}\" LSB=\"${lsb}\"/>"
puts $chn "\t\t\t\t\t<AddressRange Begin=\"${addr_bgn}\" End=\"${addr_end}\"/>"
puts $chn "\t\t\t\t\t<Parity ON=\"false\" NumBits=\"0\"/>"
puts $chn "\t\t\t\t</BitLane>"
}
puts $chn "\t\t\t</BusBlock>"
puts $chn "\t\t</AddressSpace>"
}
}
puts $chn "\t</Processor>"
puts $chn "\t<Config>"
puts $chn "\t\t<Option Name=\"Part\" Val=\"[get_property PART [current_project]]\"/>"
puts $chn "\t</Config>"
puts $chn "</MemInfo>"
close $chn
current_instance
}
if {$argc != 3} {
puts $argc
puts {Error: Invalid number of arguments}
puts {Usage: write_mmi.tcl checkpoint mmi_file instance}
}
lassign $argv checkpoint mmi_file instance
open_checkpoint $checkpoint
write_mmi $mmi_file $instance