Commit 96b9ca1e authored by Mohammed Gamal's avatar Mohammed Gamal Committed by Avi Kivity
Browse files

Add real mode int n instruction test



This adds a test for int n (opcode 0xcd) instruction in the real mode
test harness
Signed-off-by: default avatarMohammed Gamal <m.gamal005@gmail.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent d4655eaf
......@@ -947,6 +947,25 @@ void test_iret()
print_serial("iret Test 4: PASS\n");
}
void test_int()
{
struct regs inregs = { 0 }, outregs;
*(u32 *)(0x11 * 4) = 0x1000; /* Store a pointer to address 0x1000 in IDT entry 0x11 */
*(u8 *)(0x1000) = 0xcf; /* 0x1000 contains an IRET instruction */
MK_INSN(int11, "int $0x11\n\t");
exec_in_big_real_mode(&inregs, &outregs,
insn_int11,
insn_int11_end - insn_int11);
if (!regs_equal(&inregs, &outregs, 0))
print_serial("int Test 1: FAIL\n");
else
print_serial("int Test 1: PASS\n");
}
void realmode_start(void)
{
test_null();
......@@ -969,6 +988,7 @@ void realmode_start(void)
test_long_jmp();
test_xchg();
test_iret();
test_int();
exit(0);
}
......
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