xref: /openbmc/qemu/tests/tcg/s390x/chrl.c (revision 41079122)
1 #include <stdlib.h>
2 #include <assert.h>
3 #include <stdint.h>
4 
test_chrl(void)5 static void test_chrl(void)
6 {
7     uint32_t program_mask, cc;
8 
9     asm volatile (
10         ".pushsection .rodata\n"
11         "0:\n\t"
12         ".short 1, 0x8000\n\t"
13         ".popsection\n\t"
14 
15         "chrl %[r], 0b\n\t"
16         "ipm %[program_mask]\n"
17         : [program_mask] "=r" (program_mask)
18         : [r] "r" (1)
19     );
20 
21     cc = program_mask >> 28;
22     assert(!cc);
23 
24     asm volatile (
25         ".pushsection .rodata\n"
26         "0:\n\t"
27         ".short -1, 0x8000\n\t"
28         ".popsection\n\t"
29 
30         "chrl %[r], 0b\n\t"
31         "ipm %[program_mask]\n"
32         : [program_mask] "=r" (program_mask)
33         : [r] "r" (-1)
34     );
35 
36     cc = program_mask >> 28;
37     assert(!cc);
38 }
39 
test_cghrl(void)40 static void test_cghrl(void)
41 {
42     uint32_t program_mask, cc;
43 
44     asm volatile (
45         ".pushsection .rodata\n"
46         "0:\n\t"
47         ".short 1, 0x8000, 0, 0\n\t"
48         ".popsection\n\t"
49 
50         "cghrl %[r], 0b\n\t"
51         "ipm %[program_mask]\n"
52         : [program_mask] "=r" (program_mask)
53         : [r] "r" (1L)
54     );
55 
56     cc = program_mask >> 28;
57     assert(!cc);
58 
59     asm volatile (
60         ".pushsection .rodata\n"
61         "0:\n\t"
62         ".short -1, 0x8000, 0, 0\n\t"
63         ".popsection\n\t"
64 
65         "cghrl %[r], 0b\n\t"
66         "ipm %[program_mask]\n"
67         : [program_mask] "=r" (program_mask)
68         : [r] "r" (-1L)
69     );
70 
71     cc = program_mask >> 28;
72     assert(!cc);
73 }
74 
main(void)75 int main(void)
76 {
77     test_chrl();
78     test_cghrl();
79     return EXIT_SUCCESS;
80 }
81