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#!/usr/bin/env bash
#
# SPDX-License-Identifier: Unlicense
#
# Tests against m68k-none-elf-as.
AS=m68k-none-elf-as
OBJCOPY=m68k-none-elf-objcopy
TEST_DIR=/tmp/m68k-disasm-tests
TRACE_FILE=${TEST_DIR}/trace.txt
set -e
rm -rf ${TEST_DIR}
mkdir -p ${TEST_DIR}
echo "0" >${TRACE_FILE}
run_test() {
test_name=$1
prefix=$2
offset=$3
count=$4
step=$5
suffix=$6
file_orig_bin=${TEST_DIR}/${test_name}.orig.bin
file_asm=${TEST_DIR}/${test_name}.S
file_as_o=${TEST_DIR}/${test_name}.as.o
file_as_bin=${TEST_DIR}/${test_name}.as.bin
for i in $(seq 0 $(( step )) $(( count*step-1 )) ); do
echo -ne "Test ${test_name}:$(( i / step ))... "
value=$(printf "%02x\n" $(( offset+i )))
echo -ne "${prefix}\x${value}${suffix}" >${file_orig_bin}
./cmake-build/m68k-disasm -t ${TRACE_FILE} -o ${file_asm} ${file_orig_bin}
${AS} -o ${file_as_o} ${file_asm}
${OBJCOPY} ${file_as_o} -O binary ${file_as_bin}
if ! cmp ${file_orig_bin} ${file_as_bin} >/dev/null 2>&1; then
echo "FAIL"
cat ${file_asm}
echo ${file_orig_bin}
hexdump -Cv ${file_orig_bin} | head -n1
echo ${file_as_bin}
hexdump -Cv ${file_as_bin} | head -n1
break;
else
echo "OK"
#cat ${file_asm}
fi
done
}
jsr_m2() {
# 4e90..4e97
#
# All registers
run_test ${FUNCNAME} "\x4e" 0x90 8 1 ""
}
jsr_m5() {
# (4ea8..4eaf) xxxx
#
# Zero value
run_test ${FUNCNAME} "\x4e" 0xa8 8 1 "\x00\x00"
# Positive value, all registers
run_test ${FUNCNAME} "\x4e" 0xa8 8 1 "\x00\x0a"
# Negative value
run_test ${FUNCNAME} "\x4e" 0xa8 1 1 "\x80\x0f"
}
jsr_m6() {
# (4eb0..4eb7) xxxx
#
# Positive value, Arbitrary An register
run_test ${FUNCNAME} "\x4e" 0xb0 8 1 "\x00\x0f"
# Negative value
run_test ${FUNCNAME} "\x4e" 0xb0 1 1 "\x00\xf0"
# Zero displacement
run_test ${FUNCNAME} "\x4e" 0xb0 1 1 "\x00\x00"
# Address register
run_test ${FUNCNAME} "\x4e" 0xb0 1 1 "\x80\x0a"
# Long displacement, positive
run_test ${FUNCNAME} "\x4e" 0xb0 1 1 "\x08\x0c"
# Long displacement, negative
run_test ${FUNCNAME} "\x4e" 0xb0 1 1 "\x08\xb0"
# Arbitrary Xn2
run_test ${FUNCNAME} "\x4e\xb0" 0x00 8 0x10 "\x0f"
}
jsr_m7_xn0() {
# 43b8 xxxx Word displacement
#
# Zero value
run_test ${FUNCNAME} "\x4e\xb8\x00" 0x00 1 1 ""
# Positive value
run_test ${FUNCNAME} "\x4e\xb8\x00" 0x1f 1 1 ""
# Negative value
run_test ${FUNCNAME} "\x4e\xb8" 0x8a 1 1 "\x0c"
}
jsr_m7_xn1() {
# 43b9 xxxx Long displacement
#
# Zero value
run_test ${FUNCNAME} "\x4e\xb9\x00\x00\x00" 0x00 1 1 ""
# Positive value
run_test ${FUNCNAME} "\x4e\xb9\x10\xbb\x43" 0x1f 1 1 ""
# Negative value
run_test ${FUNCNAME} "\x4e\xb9\x80\xcc\xd9" 0x8a 1 1 ""
}
jsr_m7_xn2() {
# 43ba xxxx
#
# Zero value
run_test ${FUNCNAME} "\x4e\xba\x00" 0x00 1 1 ""
# Positive value
run_test ${FUNCNAME} "\x4e\xba\x00" 0x1f 1 1 ""
# Negative value
run_test ${FUNCNAME} "\x4e\xba" 0x8a 1 1 "\x0c"
}
jsr_m7_xn3() {
# 43bb xxxx
#
# Positive value, Arbitrary Xn register
run_test ${FUNCNAME} "\x4e\xbb" 0x00 8 0x10 "\x1a"
# Negative value
run_test ${FUNCNAME} "\x4e" 0xbb 1 1 "\x00\xf0"
# Zero displacement
run_test ${FUNCNAME} "\x4e" 0xbb 1 1 "\x00\x00"
# Address register
run_test ${FUNCNAME} "\x4e" 0xbb 1 1 "\x80\x0a"
# Long displacement, positive
run_test ${FUNCNAME} "\x4e" 0xbb 1 1 "\x08\x0c"
# Long displacement, negative
run_test ${FUNCNAME} "\x4e" 0xbb 1 1 "\x08\xb0"
# Arbitrary Xn2
run_test ${FUNCNAME} "\x4e\xbb" 0x00 8 0x10 "\x0f"
}
jsr_m2
jsr_m5
jsr_m6
jsr_m7_xn0
jsr_m7_xn1
jsr_m7_xn2
jsr_m7_xn3
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