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chore: add new script to convert the built fw_payload.bin into a binary capable of generating checkpoint #659

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merged 2 commits into from
Nov 20, 2024
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chore: add new script to convert the built fw_payload.bin into a binary capable of generating checkpoint #659

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2ad38b4
chore: add new script to convert the built fw_payload.bin into a bina…
xyyy1420 Nov 14, 2024
effa045
add a hint to indicate when the value should be changed
xyyy1420 Nov 20, 2024
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52 changes: 52 additions & 0 deletions scripts/checkpoint_example/rebuild_fw_payload.sh
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#!/bin/bash

# usage: FW_PAYLOAD=/path/to/fw_payload.bin CROSS_COMPILE=/path/to/riscv64-unknown-linux-gnu- bash rebuild_fw_payload.sh
# get extract_fw_payload/build/gcpt.bin

REPO_LIST="repo.list"
WORKSPACE=$(pwd)

set -x

if [ ! -f "$REPO_LIST" ]; then
echo ""
exit 1
fi

while IFS= read -r REPO_URL || [[ -n "$REPO_URL" ]]; do
REPO_NAME=$(basename "$REPO_URL" .git)

if [ -d "$REPO_NAME" ]; then
echo "Updating repository '$REPO_NAME'..."
cd "$REPO_NAME" && git pull && cd ..
else
echo "Clone repo 'REPO_URL' into '$REPO_NAME'..."
git clone "$REPO_URL"
fi
done < "$REPO_LIST"

cd nemu_board/dts && bash build_single_core_for_nemu.sh && cd $WORKSPACE

export RESULT=extract_fw_payload

mkdir $RESULT

# note: default payload offset in opensbi is 2M, if you have modified FW_PAYLOAD_OFFSET, modify the next line of command to match this value
dd if=$FW_PAYLOAD of=$RESULT/kernel.Image bs=1M skip=2
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kernel_list=extrack_fw_payload/kernel.Image

fw_payload_bin="$kernel_list"

fw_payload_bin_size=$(stat -c%s "$fw_payload_bin")

fw_payload_fdt_addr=$(( ( (fw_payload_bin_size + 0x800000 + 0xfffff) / 0x100000 ) * 0x100000 + 0x80000000 ))

printf "SPEC: %s, file size: %X, fw_payload_fdt_addr: %X\n" "$kernel_list" "$fw_payload_bin_size" "$fw_payload_fdt_addr"

make -C $(pwd)/opensbi/ O=$(pwd)/$RESULT/opensbi PLATFORM=generic FW_PAYLOAD_PATH="$(pwd)/$RESULT/kernel.Image" FW_FDT_PATH=$(pwd)/nemu_board/dts/build/xiangshan.dtb FW_PAYLOAD_OFFSET=0x100000 FW_PAYLOAD_FDT_ADDR=0x$(printf '%X' $fw_payload_fdt_addr) -j10

make -C $(pwd)/LibCheckpointAlpha/ O=$(pwd)/$RESULT GCPT_PAYLOAD_PATH="$(pwd)/$RESULT/opensbi/platform/generic/firmware/fw_payload.bin"



3 changes: 3 additions & 0 deletions scripts/checkpoint_example/repo.list
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https://github.com/riscv-software-src/opensbi.git
https://github.com/OpenXiangShan/LibCheckpointAlpha.git
https://github.com/OpenXiangShan/nemu_board.git