64 lines
2.2 KiB
Plaintext
64 lines
2.2 KiB
Plaintext
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#!/bin/sh
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QMKSPEC=$1
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VERBOSE=$2
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SRCDIR=$3
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OUTDIR=$4
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# debuggery
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[ "$VERBOSE" = "yes" ] && echo "Determining floating point word-order... ($*)"
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# build and run a test program
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test -d "$OUTDIR/config.tests/unix/doubleformat" || mkdir -p "$OUTDIR/config.tests/unix/doubleformat"
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"$OUTDIR/bin/qmake" -nocache -spec "$QMKSPEC" "QT_BUILD_TREE=$OUTDIR" "$SRCDIR/config.tests/unix/doubleformat/doubleformattest.pro" -o "$OUTDIR/config.tests/unix/doubleformat/Makefile" >/dev/null 2>&1
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cd "$OUTDIR/config.tests/unix/doubleformat"
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DOUBLEFORMAT="UNKNOWN"
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[ "$VERBOSE" = "yes" ] && $MAKE || $MAKE >/dev/null 2>&1
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if [ -f ./doubleformattest ]; then
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: # nop
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else
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[ "$VERBOSE" = "yes" ] && echo "Unknown floating point format!"
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exit 2
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fi
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# LE: strings | grep 0123ABCD0123ABCD
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# BE: strings | grep DCBA3210DCBA3210
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#
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# LE arm-swapped-dword-order: strings | grep ABCD0123ABCD0123
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# BE arm-swapped-dword-order: strings | grep 3210DCBA3210DCBA (untested)
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if strings ./doubleformattest | grep "0123ABCD0123ABCD" >/dev/null 2>&1; then
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[ "$VERBOSE" = "yes" ] && echo " Normal little endian format"
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DOUBLEFORMAT="LITTLE"
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elif strings ./doubleformattest | grep "ABCD0123ABCD0123" >/dev/null 2>&1; then
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[ "$VERBOSE" = "yes" ] && echo " Swapped little endian format"
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DOUBLEFORMAT="LITTLESWAPPED"
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elif strings ./doubleformattest | grep "DCBA3210DCBA3210" >/dev/null 2>&1; then
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[ "$VERBOSE" = "yes" ] && echo " Normal big endian format"
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DOUBLEFORMAT="BIG"
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elif strings ./doubleformattest | grep "3210DCBA3210DCBA" >/dev/null 2>&1; then
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[ "$VERBOSE" = "yes" ] && echo " Swapped big endian format"
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DOUBLEFORMAT="BIGSWAPPED"
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fi
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# done
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if [ "$DOUBLEFORMAT" = "LITTLE" ]; then
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[ "$VERBOSE" = "yes" ] && echo "Using little endian."
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exit 10
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elif [ "$DOUBLEFORMAT" = "BIG" ]; then
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[ "$VERBOSE" = "yes" ] && echo "Using big endian."
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exit 11
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elif [ "$DOUBLEFORMAT" = "LITTLESWAPPED" ]; then
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[ "$VERBOSE" = "yes" ] && echo "Using swapped little endian."
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exit 12
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elif [ "$DOUBLEFORMAT" = "BIGSWAPPED" ]; then
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[ "$VERBOSE" = "yes" ] && echo "Using swapped big endian."
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exit 13
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else
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[ "$VERBOSE" = "yes" ] && echo "Unknown floating point format!"
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exit 99
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fi
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