xref: /openbmc/qemu/tests/tcg/ppc64/test-aes.c (revision 4921d0a7)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 
3 #include "../multiarch/test-aes-main.c.inc"
4 
5 #undef BIG_ENDIAN
6 #define BIG_ENDIAN  (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
7 
8 static unsigned char bswap_le[16] __attribute__((aligned(16))) = {
9     8,9,10,11,12,13,14,15,
10     0,1,2,3,4,5,6,7
11 };
12 
13 bool test_SB_SR(uint8_t *o, const uint8_t *i)
14 {
15     /* vcipherlast also adds round key, so supply zero. */
16     if (BIG_ENDIAN) {
17         asm("lxvd2x 32,0,%1\n\t"
18             "vspltisb 1,0\n\t"
19             "vcipherlast 0,0,1\n\t"
20             "stxvd2x 32,0,%0"
21             : : "r"(o), "r"(i) : "memory", "v0", "v1");
22     } else {
23         asm("lxvd2x 32,0,%1\n\t"
24             "lxvd2x 34,0,%2\n\t"
25             "vspltisb 1,0\n\t"
26             "vperm 0,0,0,2\n\t"
27             "vcipherlast 0,0,1\n\t"
28             "vperm 0,0,0,2\n\t"
29             "stxvd2x 32,0,%0"
30             : : "r"(o), "r"(i), "r"(bswap_le) : "memory", "v0", "v1", "v2");
31     }
32     return true;
33 }
34 
35 bool test_MC(uint8_t *o, const uint8_t *i)
36 {
37     return false;
38 }
39 
40 bool test_SB_SR_MC_AK(uint8_t *o, const uint8_t *i, const uint8_t *k)
41 {
42     if (BIG_ENDIAN) {
43         asm("lxvd2x 32,0,%1\n\t"
44             "lxvd2x 33,0,%2\n\t"
45             "vcipher 0,0,1\n\t"
46             "stxvd2x 32,0,%0"
47             : : "r"(o), "r"(i), "r"(k) : "memory", "v0", "v1");
48     } else {
49         asm("lxvd2x 32,0,%1\n\t"
50             "lxvd2x 33,0,%2\n\t"
51             "lxvd2x 34,0,%3\n\t"
52             "vperm 0,0,0,2\n\t"
53             "vperm 1,1,1,2\n\t"
54             "vcipher 0,0,1\n\t"
55             "vperm 0,0,0,2\n\t"
56             "stxvd2x 32,0,%0"
57             : : "r"(o), "r"(i), "r"(k), "r"(bswap_le)
58               : "memory", "v0", "v1", "v2");
59     }
60     return true;
61 }
62 
63 bool test_ISB_ISR(uint8_t *o, const uint8_t *i)
64 {
65     /* vcipherlast also adds round key, so supply zero. */
66     if (BIG_ENDIAN) {
67         asm("lxvd2x 32,0,%1\n\t"
68             "vspltisb 1,0\n\t"
69             "vncipherlast 0,0,1\n\t"
70             "stxvd2x 32,0,%0"
71             : : "r"(o), "r"(i) : "memory", "v0", "v1");
72     } else {
73         asm("lxvd2x 32,0,%1\n\t"
74             "lxvd2x 34,0,%2\n\t"
75             "vspltisb 1,0\n\t"
76             "vperm 0,0,0,2\n\t"
77             "vncipherlast 0,0,1\n\t"
78             "vperm 0,0,0,2\n\t"
79             "stxvd2x 32,0,%0"
80             : : "r"(o), "r"(i), "r"(bswap_le) : "memory", "v0", "v1", "v2");
81     }
82     return true;
83 }
84 
85 bool test_IMC(uint8_t *o, const uint8_t *i)
86 {
87     return false;
88 }
89 
90 bool test_ISB_ISR_AK_IMC(uint8_t *o, const uint8_t *i, const uint8_t *k)
91 {
92     if (BIG_ENDIAN) {
93         asm("lxvd2x 32,0,%1\n\t"
94             "lxvd2x 33,0,%2\n\t"
95             "vncipher 0,0,1\n\t"
96             "stxvd2x 32,0,%0"
97             : : "r"(o), "r"(i), "r"(k) : "memory", "v0", "v1");
98     } else {
99         asm("lxvd2x 32,0,%1\n\t"
100             "lxvd2x 33,0,%2\n\t"
101             "lxvd2x 34,0,%3\n\t"
102             "vperm 0,0,0,2\n\t"
103             "vperm 1,1,1,2\n\t"
104             "vncipher 0,0,1\n\t"
105             "vperm 0,0,0,2\n\t"
106             "stxvd2x 32,0,%0"
107             : : "r"(o), "r"(i), "r"(k), "r"(bswap_le)
108               : "memory", "v0", "v1", "v2");
109     }
110     return true;
111 }
112 
113 bool test_ISB_ISR_IMC_AK(uint8_t *o, const uint8_t *i, const uint8_t *k)
114 {
115     return false;
116 }
117