Commit 59317bd1 authored by Mohammed Gamal's avatar Mohammed Gamal Committed by Avi Kivity
Browse files

Add real mode test for mul instruction


Signed-off-by: default avatarMohammed Gamal <m.gamal005@gmail.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent fa74f8a6
......@@ -1060,6 +1060,50 @@ void test_imul()
print_serial("imul Test 6: PASS\n");
}
void test_mul()
{
struct regs inregs = { 0 }, outregs;
MK_INSN(mul8, "mov $2, %al\n\t"
"mov $4, %cx\n\t"
"imul %cl\n\t");
MK_INSN(mul16, "mov $2, %ax\n\t"
"mov $4, %cx\n\t"
"imul %cx\n\t");
MK_INSN(mul32, "mov $2, %eax\n\t"
"mov $4, %ecx\n\t"
"imul %ecx\n\t");
exec_in_big_real_mode(&inregs, &outregs,
insn_mul8,
insn_mul8_end - insn_mul8);
if (!regs_equal(&inregs, &outregs, R_AX | R_CX | R_DX) || (outregs.eax & 0xff) != 8)
print_serial("mul Test 1: FAIL\n");
else
print_serial("mul Test 1: PASS\n");
exec_in_big_real_mode(&inregs, &outregs,
insn_mul16,
insn_mul16_end - insn_mul16);
if (!regs_equal(&inregs, &outregs, R_AX | R_CX | R_DX) || outregs.eax != 8)
print_serial("mul Test 2: FAIL\n");
else
print_serial("mul Test 2: PASS\n");
exec_in_big_real_mode(&inregs, &outregs,
insn_mul32,
insn_mul32_end - insn_mul32);
if (!regs_equal(&inregs, &outregs, R_AX | R_CX | R_DX) || outregs.eax != 8)
print_serial("mul Test 3: FAIL\n");
else
print_serial("mul Test 3: PASS\n");
}
void realmode_start(void)
{
test_null();
......@@ -1084,6 +1128,7 @@ void realmode_start(void)
test_iret();
test_int();
test_imul();
test_mul();
exit(0);
}
......
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