@@ -1094,27 +1094,23 @@ static void test_simplealu(u32 *mem)
report(*mem == 0x8400, "test");
}
-static void illegal_movbe_handler(struct ex_regs *regs)
-{
- extern char bad_movbe_cont;
-
- ++exceptions;
- regs->rip = (ulong)&bad_movbe_cont;
-}
-
static void test_illegal_movbe(void)
{
+ unsigned int vector;
+
if (!this_cpu_has(X86_FEATURE_MOVBE)) {
- report_skip("illegal movbe");
+ report_skip("MOVBE unsupported by CPU");
return;
}
- exceptions = 0;
- handle_exception(UD_VECTOR, illegal_movbe_handler);
- asm volatile(".byte 0x0f; .byte 0x38; .byte 0xf0; .byte 0xc0;\n\t"
- " bad_movbe_cont:" : : : "rax");
- report(exceptions == 1, "illegal movbe");
- handle_exception(UD_VECTOR, 0);
+ asm volatile(ASM_TRY("1f")
+ ".byte 0x0f; .byte 0x38; .byte 0xf0; .byte 0xc0;\n\t"
+ "1:"
+ : : : "memory", "rax");
+
+ vector = exception_vector();
+ report(vector == UD_VECTOR,
+ "Wanted #UD on MOVBE with /reg, got vector = %u", vector);
}
int main(void)