cvw/linux/genInitMem.sh
2025-01-20 19:16:55 -08:00

47 lines
1.5 KiB
Bash
Executable File

#!/bin/bash
set -e
tcpPort=1235
tvDir=$RISCV/linux-testvectors
rawRamFile="$tvDir/ramGDB.bin"
ramFile="$tvDir/ram.bin"
rawBootmemFile="$tvDir/bootmemGDB.bin"
bootmemFile="$tvDir/bootmem.bin"
rawUntrimmedBootmemFile="$tvDir/untrimmedBootmemFileGDB.bin"
if ! mkdir -p "$tvDir"; then
echo "Error: unable to create linux testvector directory $tvDir!">&2
echo "Please try running as sudo.">&2
exit 1
fi
if ! test -w "$tvDir"; then
echo "Using sudo to gain access to $tvDir"
if ! sudo chmod -R a+rw "$tvDir"; then
echo "Error: insuffcient write privileges for linux testvector directory $tvDir !">&2
echo "Please chmod it. For example:">&2
echo " sudo chmod -R a+rw $tvDir">&2
exit 1
fi
fi
echo "Launching QEMU in replay mode!"
./qemuBoot.sh --gdb $tcpPort &
riscv64-unknown-elf-gdb -batch \
-ex "target remote :$tcpPort" \
-ex "maintenance packet Qqemu.PhyMemMode:1" \
-ex "printf \"Creating $rawBootmemFile\n\"" \
-ex "dump binary memory $rawBootmemFile 0x1000 0x1fff" \
-ex "printf \"Creating $rawRamFile\n\"" \
-ex "dump binary memory $rawRamFile 0x80000000 0x8fffffff" \
-ex "kill" \
echo "Changing Endianness"
# Extend files to 8 byte multiple
truncate -s %8 "$rawRamFile"
truncate -s %8 "$rawBootmemFile"
# Reverse bytes
objcopy --reverse-bytes=8 -F binary "$rawRamFile" "$ramFile"
objcopy --reverse-bytes=8 -F binary "$rawBootmemFile" "$bootmemFile"
rm -f "$rawRamFile" "$rawBootmemFile" "$rawUntrimmedBootmemFile"
echo "genInitMem.sh completed!"