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|
#!/bin/bash
set -e
set -o pipefail
unset dts
while [ "$1" != "" ]
do
case "$1"
in
--dts) dts="$2"; shift 2;;
*) echo "$0: Unknown argument $1"; exit 1;;
esac
done
if [ "${dts}" == "" ]
then
echo "$0: please provide '--dts' option" >&2
exit 1
fi
# Add a PMP node if it doesn't exist
if [ `grep -c 'riscv,pmp' ${dts}` -eq 0 ]
then
echo "$0: PMP node not found in ${dts}."
sed -i 's/ranges;/ranges;\n\t\tpmp: pmp@0 {\n\t\t\tcompatible = "riscv,pmp";\n\t\t\tregions = <1>;\n\t\t};/' ${dts}
echo -e "$0: \tAdded pmp@0"
fi
# Add numintbits for the clic node if it doesn't exist
if [ `grep -c 'sifive,clic0' ${dts}` -ne 0 ]; then
if [ `grep -c 'sifive,numintbits' ${dts}` -eq 0 ]; then
echo "$0: Clic missing numintbits in ${dts}."
sed -i 's/interrupt-controller@2000000 {/interrupt-controller@2000000 {\n\t\t\tsifive,numintbits = <2>;/g' ${dts}
echo -e "$0: \tAdded numintbits to clic."
fi
fi
# Add compat string for the global-interrupt node if it doesn't exist
if [ `grep -c 'global-external-interrupts {' ${dts}` -ne 0 ]; then
if [ `grep -c 'sifive,global-external-interrupts0' ${dts}` -eq 0 ]; then
echo "$0: Global external interrupts missing compat string in ${dts}."
sed -i 's/global-external-interrupts {/global-external-interrupts {\n\t\t\tcompatible = "sifive,global-external-interrupts0";/g' ${dts}
echo -e "$0: \tAdded compat string to global-external-interrupts."
fi
fi
# Add compat string for the local-interrupt node if it doesn't exist
if [ `grep -c 'local-external-interrupts-0 {' ${dts}` -ne 0 ]; then
if [ `grep -c 'sifive,local-external-interrupts0' ${dts}` -eq 0 ]; then
echo "$0: Local external interrupts missing compat string in ${dts}."
sed -i 's/local-external-interrupts-0 {/local-external-interrupts {\n\t\t\tcompatible = "sifive,local-external-interrupts0";/g' ${dts}
echo -e "$0: \tAdded compat string to local-external-interrupts-0."
fi
fi
# Add a test memory node if one doesn't exist
if [ `grep -c 'sifive,testram0' ${dts}` -eq 0 ]; then
# bullet cores have a memory defined already
if [ `grep -c 'sifive,bullet0' ${dts}` -eq 0 ]; then
echo "$0: Test memory node not found in ${dts}."
# The heuristic for determining which memory address contains the
# program code loaded by the RTL testbench is determined by taking
# the design ports and sorting them in order of (periph, sys, mem),
# and then lexicographically by protocol.
port_types="periph sys mem"
protocols="ahb axi4 tl"
for port_type in ${port_types}; do
for protocol in ${protocols}; do
# Check if the port exists
if [ `grep -c "${protocol}-${port_type}-port" ${dts}` -ne 0 ]; then
# Build the node name
port_node_name=`egrep -o "${protocol}-${port_type}-port@[a-fA-F0-9]+" ${dts}`
echo -e "$0: \tUsing node \t${port_node_name}"
# Get the address and size cells
address_cells=`cat ${dts} | tr -d '\n\t' | grep -oP "${port_node_name}.*?address-cells = <\K(\d+)"`
echo -e "$0: \tAddress cells \t${address_cells}"
size_cells=`cat ${dts} | tr -d '\n\t' | grep -oP "${port_node_name}.*?size-cells = <\K(\d+)"`
echo -e "$0: \tSize cells \t${size_cells}"
# Get the base address and size
if [ ${address_cells} -eq 1 -a ${size_cells} -eq 1 ]; then
address_and_size=(`cat ${dts} | tr -d '\n\t' | grep -oP "${port_node_name}.*?ranges = <0x\d+ \K(0x\d+ 0x\d+)"`)
base_address=${address_and_size[0]}
size=${address_and_size[1]}
elif [ ${address_cells} -eq 1 -a ${size_cells} -eq 2 ]; then
address_and_size=(`cat ${dts} | tr -d '\n\t' | grep -oP "${port_node_name}.*?ranges = <0x\d+ \K(0x\d+ 0x\d+ 0x\d+)"`)
base_address=${address_and_size[0]}
size="${address_and_size[1]} ${address_and_size[2]}"
elif [ ${address_cells} -eq 2 -a ${size_cells} -eq 1 ]; then
address_and_size=(`cat ${dts} | tr -d '\n\t' | grep -oP "${port_node_name}.*?ranges = <0x\d+ 0x\d+ \K(0x\d+ 0x\d+ 0x\d+)"`)
base_address="${address_and_size[0]} ${address_and_size[1]}"
size=${address_and_size[2]}
elif [ ${address_cells} -eq 2 -a ${size_cells} -eq 2 ]; then
address_and_size=(`cat ${dts} | tr -d '\n\t' | grep -oP "${port_node_name}.*?ranges = <0x\d+ 0x\d+ \K(0x\d+ 0x\d+ 0x\d+ 0x\d+)"`)
base_address="${address_and_size[0]} ${address_and_size[1]}"
size="${address_and_size[2]} ${address_and_size[3]}"
fi
echo -e "$0: \tBase addr \t${base_address}"
echo -e "$0: \tSize \t\t${size}"
# Build the name of the testram node
if [ "${address_and_size[0]}" == "0x0" ]; then
node_name_addr=`echo ${address_and_size[1]} | cut -c 3-`
else
node_name_addr=`echo ${address_and_size[0]} | cut -c 3-`
fi
# Determine word size from ISA bitness
if [ `grep -c 'riscv,isa = "rv32' ${dts}` -ne 0 ]; then
word_size=4
else
word_size=8
fi
echo -e "$0: \tWord size \t${word_size}"
# Create the test memory
sed -i "s/ranges;/ranges;\n\t\ttest_memory: testram@${node_name_addr} {\n\t\t\tcompatible = \"sifive,testram0\";\n\t\t\treg = <${base_address} ${size}>;\n\t\t\treg-names = \"mem\";\n\t\t\tword-size-bytes = <${word_size}>;\n\t\t};/" ${dts}
echo -e "$0: \tAdded testram@${node_name_addr}"
# Break out of both loops
break 2
fi
done
done
fi
fi
|
