34 lines
946 B
Bash
Executable File
34 lines
946 B
Bash
Executable File
#!/bin/sh
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set -e
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if [ -z "$2" ]; then
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echo "Usage: $0 <path to qloader2 binary> <device> [stage2 start sector]"
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exit 1
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fi
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# Variables.
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DEVICE="$2"
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MBR="$(mktemp)"
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BINARY_SECT_SRC="$(mktemp)"
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BINARY_SECT_BIN="$(mktemp)"
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QLOADER2="$1"
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if [ -z "$3" ]; then
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STAGE2_SECT=1
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else
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STAGE2_SECT="$3"
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fi
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echo "dd $STAGE2_SECT" > "$BINARY_SECT_SRC"
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nasm "$BINARY_SECT_SRC" -f bin -o "$BINARY_SECT_BIN"
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# Copy the loader to the device.
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dd if="$DEVICE" of="$MBR" bs=1 count=64 skip=446 2>/dev/null
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dd if="$QLOADER2" of="$DEVICE" bs=512 count=1 conv=notrunc 2>/dev/null
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dd if="$QLOADER2" of="$DEVICE" bs=512 count=63 skip=1 seek=$(( $STAGE2_SECT )) conv=notrunc 2>/dev/null
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dd if="$BINARY_SECT_BIN" of="$DEVICE" bs=1 count=4 seek=$(( 0x1b0 )) conv=notrunc 2>/dev/null
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dd if="$MBR" of="$DEVICE" bs=1 count=64 seek=446 conv=notrunc 2>/dev/null
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rm "$MBR" "$BINARY_SECT_SRC" "$BINARY_SECT_BIN"
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