xref: /openbmc/linux/arch/sparc/crypto/des_asm.S (revision 83a530e1) 
1/* SPDX-License-Identifier: GPL-2.0 */
2#include <linux/linkage.h>
3#include <asm/visasm.h>
4
5#include "opcodes.h"
6
7	.align	32
8ENTRY(des_sparc64_key_expand)
9	/* %o0=input_key, %o1=output_key */
10	VISEntryHalf
11	ld	[%o0 + 0x00], %f0
12	ld	[%o0 + 0x04], %f1
13	DES_KEXPAND(0, 0, 0)
14	DES_KEXPAND(0, 1, 2)
15	DES_KEXPAND(2, 3, 6)
16	DES_KEXPAND(2, 2, 4)
17	DES_KEXPAND(6, 3, 10)
18	DES_KEXPAND(6, 2, 8)
19	DES_KEXPAND(10, 3, 14)
20	DES_KEXPAND(10, 2, 12)
21	DES_KEXPAND(14, 1, 16)
22	DES_KEXPAND(16, 3, 20)
23	DES_KEXPAND(16, 2, 18)
24	DES_KEXPAND(20, 3, 24)
25	DES_KEXPAND(20, 2, 22)
26	DES_KEXPAND(24, 3, 28)
27	DES_KEXPAND(24, 2, 26)
28	DES_KEXPAND(28, 1, 30)
29	std	%f0, [%o1 + 0x00]
30	std	%f2, [%o1 + 0x08]
31	std	%f4, [%o1 + 0x10]
32	std	%f6, [%o1 + 0x18]
33	std	%f8, [%o1 + 0x20]
34	std	%f10, [%o1 + 0x28]
35	std	%f12, [%o1 + 0x30]
36	std	%f14, [%o1 + 0x38]
37	std	%f16, [%o1 + 0x40]
38	std	%f18, [%o1 + 0x48]
39	std	%f20, [%o1 + 0x50]
40	std	%f22, [%o1 + 0x58]
41	std	%f24, [%o1 + 0x60]
42	std	%f26, [%o1 + 0x68]
43	std	%f28, [%o1 + 0x70]
44	std	%f30, [%o1 + 0x78]
45	retl
46	 VISExitHalf
47ENDPROC(des_sparc64_key_expand)
48
49	.align	32
50ENTRY(des_sparc64_crypt)
51	/* %o0=key, %o1=input, %o2=output */
52	VISEntry
53	ldd	[%o1 + 0x00], %f32
54	ldd	[%o0 + 0x00], %f0
55	ldd	[%o0 + 0x08], %f2
56	ldd	[%o0 + 0x10], %f4
57	ldd	[%o0 + 0x18], %f6
58	ldd	[%o0 + 0x20], %f8
59	ldd	[%o0 + 0x28], %f10
60	ldd	[%o0 + 0x30], %f12
61	ldd	[%o0 + 0x38], %f14
62	ldd	[%o0 + 0x40], %f16
63	ldd	[%o0 + 0x48], %f18
64	ldd	[%o0 + 0x50], %f20
65	ldd	[%o0 + 0x58], %f22
66	ldd	[%o0 + 0x60], %f24
67	ldd	[%o0 + 0x68], %f26
68	ldd	[%o0 + 0x70], %f28
69	ldd	[%o0 + 0x78], %f30
70	DES_IP(32, 32)
71	DES_ROUND(0, 2, 32, 32)
72	DES_ROUND(4, 6, 32, 32)
73	DES_ROUND(8, 10, 32, 32)
74	DES_ROUND(12, 14, 32, 32)
75	DES_ROUND(16, 18, 32, 32)
76	DES_ROUND(20, 22, 32, 32)
77	DES_ROUND(24, 26, 32, 32)
78	DES_ROUND(28, 30, 32, 32)
79	DES_IIP(32, 32)
80	std	%f32, [%o2 + 0x00]
81	retl
82	 VISExit
83ENDPROC(des_sparc64_crypt)
84
85	.align	32
86ENTRY(des_sparc64_load_keys)
87	/* %o0=key */
88	VISEntry
89	ldd	[%o0 + 0x00], %f0
90	ldd	[%o0 + 0x08], %f2
91	ldd	[%o0 + 0x10], %f4
92	ldd	[%o0 + 0x18], %f6
93	ldd	[%o0 + 0x20], %f8
94	ldd	[%o0 + 0x28], %f10
95	ldd	[%o0 + 0x30], %f12
96	ldd	[%o0 + 0x38], %f14
97	ldd	[%o0 + 0x40], %f16
98	ldd	[%o0 + 0x48], %f18
99	ldd	[%o0 + 0x50], %f20
100	ldd	[%o0 + 0x58], %f22
101	ldd	[%o0 + 0x60], %f24
102	ldd	[%o0 + 0x68], %f26
103	ldd	[%o0 + 0x70], %f28
104	retl
105	 ldd	[%o0 + 0x78], %f30
106ENDPROC(des_sparc64_load_keys)
107
108	.align	32
109ENTRY(des_sparc64_ecb_crypt)
110	/* %o0=input, %o1=output, %o2=len */
1111:	ldd	[%o0 + 0x00], %f32
112	add	%o0, 0x08, %o0
113	DES_IP(32, 32)
114	DES_ROUND(0, 2, 32, 32)
115	DES_ROUND(4, 6, 32, 32)
116	DES_ROUND(8, 10, 32, 32)
117	DES_ROUND(12, 14, 32, 32)
118	DES_ROUND(16, 18, 32, 32)
119	DES_ROUND(20, 22, 32, 32)
120	DES_ROUND(24, 26, 32, 32)
121	DES_ROUND(28, 30, 32, 32)
122	DES_IIP(32, 32)
123	std	%f32, [%o1 + 0x00]
124	subcc	%o2, 0x08, %o2
125	bne,pt	%icc, 1b
126	 add	%o1, 0x08, %o1
127	retl
128	 nop
129ENDPROC(des_sparc64_ecb_crypt)
130
131	.align	32
132ENTRY(des_sparc64_cbc_encrypt)
133	/* %o0=input, %o1=output, %o2=len, %o3=IV */
134	ldd	[%o3 + 0x00], %f32
1351:	ldd	[%o0 + 0x00], %f34
136	fxor	%f32, %f34, %f32
137	DES_IP(32, 32)
138	DES_ROUND(0, 2, 32, 32)
139	DES_ROUND(4, 6, 32, 32)
140	DES_ROUND(8, 10, 32, 32)
141	DES_ROUND(12, 14, 32, 32)
142	DES_ROUND(16, 18, 32, 32)
143	DES_ROUND(20, 22, 32, 32)
144	DES_ROUND(24, 26, 32, 32)
145	DES_ROUND(28, 30, 32, 32)
146	DES_IIP(32, 32)
147	std	%f32, [%o1 + 0x00]
148	add	%o0, 0x08, %o0
149	subcc	%o2, 0x08, %o2
150	bne,pt	%icc, 1b
151	 add	%o1, 0x08, %o1
152	retl
153	 std	%f32, [%o3 + 0x00]
154ENDPROC(des_sparc64_cbc_encrypt)
155
156	.align	32
157ENTRY(des_sparc64_cbc_decrypt)
158	/* %o0=input, %o1=output, %o2=len, %o3=IV */
159	ldd	[%o3 + 0x00], %f34
1601:	ldd	[%o0 + 0x00], %f36
161	DES_IP(36, 32)
162	DES_ROUND(0, 2, 32, 32)
163	DES_ROUND(4, 6, 32, 32)
164	DES_ROUND(8, 10, 32, 32)
165	DES_ROUND(12, 14, 32, 32)
166	DES_ROUND(16, 18, 32, 32)
167	DES_ROUND(20, 22, 32, 32)
168	DES_ROUND(24, 26, 32, 32)
169	DES_ROUND(28, 30, 32, 32)
170	DES_IIP(32, 32)
171	fxor	%f32, %f34, %f32
172	fsrc2	%f36, %f34
173	std	%f32, [%o1 + 0x00]
174	add	%o0, 0x08, %o0
175	subcc	%o2, 0x08, %o2
176	bne,pt	%icc, 1b
177	 add	%o1, 0x08, %o1
178	retl
179	 std	%f36, [%o3 + 0x00]
180ENDPROC(des_sparc64_cbc_decrypt)
181
182	.align	32
183ENTRY(des3_ede_sparc64_crypt)
184	/* %o0=key, %o1=input, %o2=output */
185	VISEntry
186	ldd	[%o1 + 0x00], %f32
187	ldd	[%o0 + 0x00], %f0
188	ldd	[%o0 + 0x08], %f2
189	ldd	[%o0 + 0x10], %f4
190	ldd	[%o0 + 0x18], %f6
191	ldd	[%o0 + 0x20], %f8
192	ldd	[%o0 + 0x28], %f10
193	ldd	[%o0 + 0x30], %f12
194	ldd	[%o0 + 0x38], %f14
195	ldd	[%o0 + 0x40], %f16
196	ldd	[%o0 + 0x48], %f18
197	ldd	[%o0 + 0x50], %f20
198	ldd	[%o0 + 0x58], %f22
199	ldd	[%o0 + 0x60], %f24
200	ldd	[%o0 + 0x68], %f26
201	ldd	[%o0 + 0x70], %f28
202	ldd	[%o0 + 0x78], %f30
203	DES_IP(32, 32)
204	DES_ROUND(0, 2, 32, 32)
205	ldd	[%o0 + 0x80], %f0
206	ldd	[%o0 + 0x88], %f2
207	DES_ROUND(4, 6, 32, 32)
208	ldd	[%o0 + 0x90], %f4
209	ldd	[%o0 + 0x98], %f6
210	DES_ROUND(8, 10, 32, 32)
211	ldd	[%o0 + 0xa0], %f8
212	ldd	[%o0 + 0xa8], %f10
213	DES_ROUND(12, 14, 32, 32)
214	ldd	[%o0 + 0xb0], %f12
215	ldd	[%o0 + 0xb8], %f14
216	DES_ROUND(16, 18, 32, 32)
217	ldd	[%o0 + 0xc0], %f16
218	ldd	[%o0 + 0xc8], %f18
219	DES_ROUND(20, 22, 32, 32)
220	ldd	[%o0 + 0xd0], %f20
221	ldd	[%o0 + 0xd8], %f22
222	DES_ROUND(24, 26, 32, 32)
223	ldd	[%o0 + 0xe0], %f24
224	ldd	[%o0 + 0xe8], %f26
225	DES_ROUND(28, 30, 32, 32)
226	ldd	[%o0 + 0xf0], %f28
227	ldd	[%o0 + 0xf8], %f30
228	DES_IIP(32, 32)
229	DES_IP(32, 32)
230	DES_ROUND(0, 2, 32, 32)
231	ldd	[%o0 + 0x100], %f0
232	ldd	[%o0 + 0x108], %f2
233	DES_ROUND(4, 6, 32, 32)
234	ldd	[%o0 + 0x110], %f4
235	ldd	[%o0 + 0x118], %f6
236	DES_ROUND(8, 10, 32, 32)
237	ldd	[%o0 + 0x120], %f8
238	ldd	[%o0 + 0x128], %f10
239	DES_ROUND(12, 14, 32, 32)
240	ldd	[%o0 + 0x130], %f12
241	ldd	[%o0 + 0x138], %f14
242	DES_ROUND(16, 18, 32, 32)
243	ldd	[%o0 + 0x140], %f16
244	ldd	[%o0 + 0x148], %f18
245	DES_ROUND(20, 22, 32, 32)
246	ldd	[%o0 + 0x150], %f20
247	ldd	[%o0 + 0x158], %f22
248	DES_ROUND(24, 26, 32, 32)
249	ldd	[%o0 + 0x160], %f24
250	ldd	[%o0 + 0x168], %f26
251	DES_ROUND(28, 30, 32, 32)
252	ldd	[%o0 + 0x170], %f28
253	ldd	[%o0 + 0x178], %f30
254	DES_IIP(32, 32)
255	DES_IP(32, 32)
256	DES_ROUND(0, 2, 32, 32)
257	DES_ROUND(4, 6, 32, 32)
258	DES_ROUND(8, 10, 32, 32)
259	DES_ROUND(12, 14, 32, 32)
260	DES_ROUND(16, 18, 32, 32)
261	DES_ROUND(20, 22, 32, 32)
262	DES_ROUND(24, 26, 32, 32)
263	DES_ROUND(28, 30, 32, 32)
264	DES_IIP(32, 32)
265
266	std	%f32, [%o2 + 0x00]
267	retl
268	 VISExit
269ENDPROC(des3_ede_sparc64_crypt)
270
271	.align	32
272ENTRY(des3_ede_sparc64_load_keys)
273	/* %o0=key */
274	VISEntry
275	ldd	[%o0 + 0x00], %f0
276	ldd	[%o0 + 0x08], %f2
277	ldd	[%o0 + 0x10], %f4
278	ldd	[%o0 + 0x18], %f6
279	ldd	[%o0 + 0x20], %f8
280	ldd	[%o0 + 0x28], %f10
281	ldd	[%o0 + 0x30], %f12
282	ldd	[%o0 + 0x38], %f14
283	ldd	[%o0 + 0x40], %f16
284	ldd	[%o0 + 0x48], %f18
285	ldd	[%o0 + 0x50], %f20
286	ldd	[%o0 + 0x58], %f22
287	ldd	[%o0 + 0x60], %f24
288	ldd	[%o0 + 0x68], %f26
289	ldd	[%o0 + 0x70], %f28
290	ldd	[%o0 + 0x78], %f30
291	ldd	[%o0 + 0x80], %f32
292	ldd	[%o0 + 0x88], %f34
293	ldd	[%o0 + 0x90], %f36
294	ldd	[%o0 + 0x98], %f38
295	ldd	[%o0 + 0xa0], %f40
296	ldd	[%o0 + 0xa8], %f42
297	ldd	[%o0 + 0xb0], %f44
298	ldd	[%o0 + 0xb8], %f46
299	ldd	[%o0 + 0xc0], %f48
300	ldd	[%o0 + 0xc8], %f50
301	ldd	[%o0 + 0xd0], %f52
302	ldd	[%o0 + 0xd8], %f54
303	ldd	[%o0 + 0xe0], %f56
304	retl
305	 ldd	[%o0 + 0xe8], %f58
306ENDPROC(des3_ede_sparc64_load_keys)
307
308#define DES3_LOOP_BODY(X) \
309	DES_IP(X, X) \
310	DES_ROUND(0, 2, X, X) \
311	DES_ROUND(4, 6, X, X) \
312	DES_ROUND(8, 10, X, X) \
313	DES_ROUND(12, 14, X, X) \
314	DES_ROUND(16, 18, X, X) \
315	ldd	[%o0 + 0xf0], %f16; \
316	ldd	[%o0 + 0xf8], %f18; \
317	DES_ROUND(20, 22, X, X) \
318	ldd	[%o0 + 0x100], %f20; \
319	ldd	[%o0 + 0x108], %f22; \
320	DES_ROUND(24, 26, X, X) \
321	ldd	[%o0 + 0x110], %f24; \
322	ldd	[%o0 + 0x118], %f26; \
323	DES_ROUND(28, 30, X, X) \
324	ldd	[%o0 + 0x120], %f28; \
325	ldd	[%o0 + 0x128], %f30; \
326	DES_IIP(X, X) \
327	DES_IP(X, X) \
328	DES_ROUND(32, 34, X, X) \
329	ldd	[%o0 + 0x130], %f0; \
330	ldd	[%o0 + 0x138], %f2; \
331	DES_ROUND(36, 38, X, X) \
332	ldd	[%o0 + 0x140], %f4; \
333	ldd	[%o0 + 0x148], %f6; \
334	DES_ROUND(40, 42, X, X) \
335	ldd	[%o0 + 0x150], %f8; \
336	ldd	[%o0 + 0x158], %f10; \
337	DES_ROUND(44, 46, X, X) \
338	ldd	[%o0 + 0x160], %f12; \
339	ldd	[%o0 + 0x168], %f14; \
340	DES_ROUND(48, 50, X, X) \
341	DES_ROUND(52, 54, X, X) \
342	DES_ROUND(56, 58, X, X) \
343	DES_ROUND(16, 18, X, X) \
344	ldd	[%o0 + 0x170], %f16; \
345	ldd	[%o0 + 0x178], %f18; \
346	DES_IIP(X, X) \
347	DES_IP(X, X) \
348	DES_ROUND(20, 22, X, X) \
349	ldd	[%o0 + 0x50], %f20; \
350	ldd	[%o0 + 0x58], %f22; \
351	DES_ROUND(24, 26, X, X) \
352	ldd	[%o0 + 0x60], %f24; \
353	ldd	[%o0 + 0x68], %f26; \
354	DES_ROUND(28, 30, X, X) \
355	ldd	[%o0 + 0x70], %f28; \
356	ldd	[%o0 + 0x78], %f30; \
357	DES_ROUND(0, 2, X, X) \
358	ldd	[%o0 + 0x00], %f0; \
359	ldd	[%o0 + 0x08], %f2; \
360	DES_ROUND(4, 6, X, X) \
361	ldd	[%o0 + 0x10], %f4; \
362	ldd	[%o0 + 0x18], %f6; \
363	DES_ROUND(8, 10, X, X) \
364	ldd	[%o0 + 0x20], %f8; \
365	ldd	[%o0 + 0x28], %f10; \
366	DES_ROUND(12, 14, X, X) \
367	ldd	[%o0 + 0x30], %f12; \
368	ldd	[%o0 + 0x38], %f14; \
369	DES_ROUND(16, 18, X, X) \
370	ldd	[%o0 + 0x40], %f16; \
371	ldd	[%o0 + 0x48], %f18; \
372	DES_IIP(X, X)
373
374	.align	32
375ENTRY(des3_ede_sparc64_ecb_crypt)
376	/* %o0=key, %o1=input, %o2=output, %o3=len */
3771:	ldd	[%o1 + 0x00], %f60
378	DES3_LOOP_BODY(60)
379	std	%f60, [%o2 + 0x00]
380	add	%o1, 0x08, %o1
381	subcc	%o3, 0x08, %o3
382	bne,pt	%icc, 1b
383	 add	%o2, 0x08, %o2
384	retl
385	 nop
386ENDPROC(des3_ede_sparc64_ecb_crypt)
387
388	.align	32
389ENTRY(des3_ede_sparc64_cbc_encrypt)
390	/* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */
391	ldd	[%o4 + 0x00], %f60
3921:	ldd	[%o1 + 0x00], %f62
393	fxor	%f60, %f62, %f60
394	DES3_LOOP_BODY(60)
395	std	%f60, [%o2 + 0x00]
396	add	%o1, 0x08, %o1
397	subcc	%o3, 0x08, %o3
398	bne,pt	%icc, 1b
399	 add	%o2, 0x08, %o2
400	retl
401	 std	%f60, [%o4 + 0x00]
402ENDPROC(des3_ede_sparc64_cbc_encrypt)
403
404	.align	32
405ENTRY(des3_ede_sparc64_cbc_decrypt)
406	/* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */
407	ldd	[%o4 + 0x00], %f62
4081:	ldx	[%o1 + 0x00], %g1
409	MOVXTOD_G1_F60
410	DES3_LOOP_BODY(60)
411	fxor	%f62, %f60, %f60
412	MOVXTOD_G1_F62
413	std	%f60, [%o2 + 0x00]
414	add	%o1, 0x08, %o1
415	subcc	%o3, 0x08, %o3
416	bne,pt	%icc, 1b
417	 add	%o2, 0x08, %o2
418	retl
419	 stx	%g1, [%o4 + 0x00]
420ENDPROC(des3_ede_sparc64_cbc_decrypt)
421