coreboot/util/riscv/make-spike-elf.sh

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#!/usr/bin/env sh
#
# This script is based on:
# https://docs.google.com/document/d/1Pvf9Yxorcd3sbgs8WcomcTl3J4bmX6e1UE0ROCefR88
set -e
usage() {
echo "This script converts a flat file into an ELF, that can be passed"
echo "to SPIKE, the RISC-V reference emulator."
echo ""
echo "Usage: $0 coreboot.rom coreboot.elf"
}
if [ $# -ne 2 ]; then
usage
exit 1
fi
FLAT_FILE="$1"
OBJECT_FILE=$(mktemp /tmp/coreboot-spike.XXXXXX)
ELF_FILE="$2"
TOOL_PATH="$(dirname "$0")"
XGCC_BIN="$TOOL_PATH/../crossgcc/xgcc/bin"
"$XGCC_BIN/riscv64-elf-objcopy" -I binary -O elf64-littleriscv \
-B riscv "$FLAT_FILE" "$OBJECT_FILE"
"$XGCC_BIN/riscv64-elf-ld" "$OBJECT_FILE" -T "$TOOL_PATH/spike-elf.ld" \
-o "$ELF_FILE"
rm "$OBJECT_FILE"