tools/fpga/partition_mem

#!/bin/csh -f
sleep 10 ;
set DIR=$0
set DIR=$DIR:h
unlimit stacksize
#limit core 0
#This bit of code tries to autodetect the dram size build option. Its because big_mem needs to
#match the set size at run time to what was used at build time. Both the verilog a big_mem default
#to 1G if no option given
set init_format
#If this file already exists, assume that user is merging a memory image with a sims diag.
#For example the checkpoint flow. So don't overwrite it with the code shown below
test -f  mem.image.add_axis
#This code allows sims diags to define empty blocks of memory that the dram model can allocate.
#Useful for DMA diags which just need big buffers to write to.
if ($status != 0) then
  test -f symbol.tbl
  if ($status == 0) then
    #input:
    #1empty_blk_start 0000000880040140 0880000140 0880000000
    #1empty_blk_end   0000000880040140 0880000140 0890000000
    #2empty_blk_start 0000000880040140 0880000140 08a0000000
    #2empty_blk_end   0000000880040140 0880000140 08b0000000
    #output
    #@880000000//10000000
    #@8A0000000//10000000
    grep empty_blk symbol.tbl | \
     tr "[:lower:]" "[:upper:]" | \
    nawk 'BEGIN{print "obase=16";print "ibase=16"} /_START/{st_pa=$NF} /_END/{ print st_pa ; print $NF " -" st_pa}' |\
    bc -l | \
    nawk ' BEGIN {loop=0} {if (! loop) { printf "@%s//+",$1;loop=1} else {printf "%s\n",$1;loop=0}}' >! mem.image.add_axis
  endif
endif
touch mem.image.add_axis
#This is the crucial step. small_mem does some simple formatting on the mem image
#big_mem does the manipulation to allocate entries in a 64 way cache
cat mem.image mem.image.add_axis | $DIR/small_mem - - | \
$DIR/big_mem -f - -d . -m 0x40000000 $init_format $*
set st=$status
rm -f mem.image.add_axis
exit $st