xref: /openbmc/linux/arch/sparc/crypto/des_asm.S (revision eb3fcf00) 
1#include <linux/linkage.h>
2#include <asm/visasm.h>
3
4#include "opcodes.h"
5
6	.align	32
7ENTRY(des_sparc64_key_expand)
8	/* %o0=input_key, %o1=output_key */
9	VISEntryHalf
10	ld	[%o0 + 0x00], %f0
11	ld	[%o0 + 0x04], %f1
12	DES_KEXPAND(0, 0, 0)
13	DES_KEXPAND(0, 1, 2)
14	DES_KEXPAND(2, 3, 6)
15	DES_KEXPAND(2, 2, 4)
16	DES_KEXPAND(6, 3, 10)
17	DES_KEXPAND(6, 2, 8)
18	DES_KEXPAND(10, 3, 14)
19	DES_KEXPAND(10, 2, 12)
20	DES_KEXPAND(14, 1, 16)
21	DES_KEXPAND(16, 3, 20)
22	DES_KEXPAND(16, 2, 18)
23	DES_KEXPAND(20, 3, 24)
24	DES_KEXPAND(20, 2, 22)
25	DES_KEXPAND(24, 3, 28)
26	DES_KEXPAND(24, 2, 26)
27	DES_KEXPAND(28, 1, 30)
28	std	%f0, [%o1 + 0x00]
29	std	%f2, [%o1 + 0x08]
30	std	%f4, [%o1 + 0x10]
31	std	%f6, [%o1 + 0x18]
32	std	%f8, [%o1 + 0x20]
33	std	%f10, [%o1 + 0x28]
34	std	%f12, [%o1 + 0x30]
35	std	%f14, [%o1 + 0x38]
36	std	%f16, [%o1 + 0x40]
37	std	%f18, [%o1 + 0x48]
38	std	%f20, [%o1 + 0x50]
39	std	%f22, [%o1 + 0x58]
40	std	%f24, [%o1 + 0x60]
41	std	%f26, [%o1 + 0x68]
42	std	%f28, [%o1 + 0x70]
43	std	%f30, [%o1 + 0x78]
44	retl
45	 VISExitHalf
46ENDPROC(des_sparc64_key_expand)
47
48	.align	32
49ENTRY(des_sparc64_crypt)
50	/* %o0=key, %o1=input, %o2=output */
51	VISEntry
52	ldd	[%o1 + 0x00], %f32
53	ldd	[%o0 + 0x00], %f0
54	ldd	[%o0 + 0x08], %f2
55	ldd	[%o0 + 0x10], %f4
56	ldd	[%o0 + 0x18], %f6
57	ldd	[%o0 + 0x20], %f8
58	ldd	[%o0 + 0x28], %f10
59	ldd	[%o0 + 0x30], %f12
60	ldd	[%o0 + 0x38], %f14
61	ldd	[%o0 + 0x40], %f16
62	ldd	[%o0 + 0x48], %f18
63	ldd	[%o0 + 0x50], %f20
64	ldd	[%o0 + 0x58], %f22
65	ldd	[%o0 + 0x60], %f24
66	ldd	[%o0 + 0x68], %f26
67	ldd	[%o0 + 0x70], %f28
68	ldd	[%o0 + 0x78], %f30
69	DES_IP(32, 32)
70	DES_ROUND(0, 2, 32, 32)
71	DES_ROUND(4, 6, 32, 32)
72	DES_ROUND(8, 10, 32, 32)
73	DES_ROUND(12, 14, 32, 32)
74	DES_ROUND(16, 18, 32, 32)
75	DES_ROUND(20, 22, 32, 32)
76	DES_ROUND(24, 26, 32, 32)
77	DES_ROUND(28, 30, 32, 32)
78	DES_IIP(32, 32)
79	std	%f32, [%o2 + 0x00]
80	retl
81	 VISExit
82ENDPROC(des_sparc64_crypt)
83
84	.align	32
85ENTRY(des_sparc64_load_keys)
86	/* %o0=key */
87	VISEntry
88	ldd	[%o0 + 0x00], %f0
89	ldd	[%o0 + 0x08], %f2
90	ldd	[%o0 + 0x10], %f4
91	ldd	[%o0 + 0x18], %f6
92	ldd	[%o0 + 0x20], %f8
93	ldd	[%o0 + 0x28], %f10
94	ldd	[%o0 + 0x30], %f12
95	ldd	[%o0 + 0x38], %f14
96	ldd	[%o0 + 0x40], %f16
97	ldd	[%o0 + 0x48], %f18
98	ldd	[%o0 + 0x50], %f20
99	ldd	[%o0 + 0x58], %f22
100	ldd	[%o0 + 0x60], %f24
101	ldd	[%o0 + 0x68], %f26
102	ldd	[%o0 + 0x70], %f28
103	retl
104	 ldd	[%o0 + 0x78], %f30
105ENDPROC(des_sparc64_load_keys)
106
107	.align	32
108ENTRY(des_sparc64_ecb_crypt)
109	/* %o0=input, %o1=output, %o2=len */
1101:	ldd	[%o0 + 0x00], %f32
111	add	%o0, 0x08, %o0
112	DES_IP(32, 32)
113	DES_ROUND(0, 2, 32, 32)
114	DES_ROUND(4, 6, 32, 32)
115	DES_ROUND(8, 10, 32, 32)
116	DES_ROUND(12, 14, 32, 32)
117	DES_ROUND(16, 18, 32, 32)
118	DES_ROUND(20, 22, 32, 32)
119	DES_ROUND(24, 26, 32, 32)
120	DES_ROUND(28, 30, 32, 32)
121	DES_IIP(32, 32)
122	std	%f32, [%o1 + 0x00]
123	subcc	%o2, 0x08, %o2
124	bne,pt	%icc, 1b
125	 add	%o1, 0x08, %o1
126	retl
127	 nop
128ENDPROC(des_sparc64_ecb_crypt)
129
130	.align	32
131ENTRY(des_sparc64_cbc_encrypt)
132	/* %o0=input, %o1=output, %o2=len, %o3=IV */
133	ldd	[%o3 + 0x00], %f32
1341:	ldd	[%o0 + 0x00], %f34
135	fxor	%f32, %f34, %f32
136	DES_IP(32, 32)
137	DES_ROUND(0, 2, 32, 32)
138	DES_ROUND(4, 6, 32, 32)
139	DES_ROUND(8, 10, 32, 32)
140	DES_ROUND(12, 14, 32, 32)
141	DES_ROUND(16, 18, 32, 32)
142	DES_ROUND(20, 22, 32, 32)
143	DES_ROUND(24, 26, 32, 32)
144	DES_ROUND(28, 30, 32, 32)
145	DES_IIP(32, 32)
146	std	%f32, [%o1 + 0x00]
147	add	%o0, 0x08, %o0
148	subcc	%o2, 0x08, %o2
149	bne,pt	%icc, 1b
150	 add	%o1, 0x08, %o1
151	retl
152	 std	%f32, [%o3 + 0x00]
153ENDPROC(des_sparc64_cbc_encrypt)
154
155	.align	32
156ENTRY(des_sparc64_cbc_decrypt)
157	/* %o0=input, %o1=output, %o2=len, %o3=IV */
158	ldd	[%o3 + 0x00], %f34
1591:	ldd	[%o0 + 0x00], %f36
160	DES_IP(36, 32)
161	DES_ROUND(0, 2, 32, 32)
162	DES_ROUND(4, 6, 32, 32)
163	DES_ROUND(8, 10, 32, 32)
164	DES_ROUND(12, 14, 32, 32)
165	DES_ROUND(16, 18, 32, 32)
166	DES_ROUND(20, 22, 32, 32)
167	DES_ROUND(24, 26, 32, 32)
168	DES_ROUND(28, 30, 32, 32)
169	DES_IIP(32, 32)
170	fxor	%f32, %f34, %f32
171	fsrc2	%f36, %f34
172	std	%f32, [%o1 + 0x00]
173	add	%o0, 0x08, %o0
174	subcc	%o2, 0x08, %o2
175	bne,pt	%icc, 1b
176	 add	%o1, 0x08, %o1
177	retl
178	 std	%f36, [%o3 + 0x00]
179ENDPROC(des_sparc64_cbc_decrypt)
180
181	.align	32
182ENTRY(des3_ede_sparc64_crypt)
183	/* %o0=key, %o1=input, %o2=output */
184	VISEntry
185	ldd	[%o1 + 0x00], %f32
186	ldd	[%o0 + 0x00], %f0
187	ldd	[%o0 + 0x08], %f2
188	ldd	[%o0 + 0x10], %f4
189	ldd	[%o0 + 0x18], %f6
190	ldd	[%o0 + 0x20], %f8
191	ldd	[%o0 + 0x28], %f10
192	ldd	[%o0 + 0x30], %f12
193	ldd	[%o0 + 0x38], %f14
194	ldd	[%o0 + 0x40], %f16
195	ldd	[%o0 + 0x48], %f18
196	ldd	[%o0 + 0x50], %f20
197	ldd	[%o0 + 0x58], %f22
198	ldd	[%o0 + 0x60], %f24
199	ldd	[%o0 + 0x68], %f26
200	ldd	[%o0 + 0x70], %f28
201	ldd	[%o0 + 0x78], %f30
202	DES_IP(32, 32)
203	DES_ROUND(0, 2, 32, 32)
204	ldd	[%o0 + 0x80], %f0
205	ldd	[%o0 + 0x88], %f2
206	DES_ROUND(4, 6, 32, 32)
207	ldd	[%o0 + 0x90], %f4
208	ldd	[%o0 + 0x98], %f6
209	DES_ROUND(8, 10, 32, 32)
210	ldd	[%o0 + 0xa0], %f8
211	ldd	[%o0 + 0xa8], %f10
212	DES_ROUND(12, 14, 32, 32)
213	ldd	[%o0 + 0xb0], %f12
214	ldd	[%o0 + 0xb8], %f14
215	DES_ROUND(16, 18, 32, 32)
216	ldd	[%o0 + 0xc0], %f16
217	ldd	[%o0 + 0xc8], %f18
218	DES_ROUND(20, 22, 32, 32)
219	ldd	[%o0 + 0xd0], %f20
220	ldd	[%o0 + 0xd8], %f22
221	DES_ROUND(24, 26, 32, 32)
222	ldd	[%o0 + 0xe0], %f24
223	ldd	[%o0 + 0xe8], %f26
224	DES_ROUND(28, 30, 32, 32)
225	ldd	[%o0 + 0xf0], %f28
226	ldd	[%o0 + 0xf8], %f30
227	DES_IIP(32, 32)
228	DES_IP(32, 32)
229	DES_ROUND(0, 2, 32, 32)
230	ldd	[%o0 + 0x100], %f0
231	ldd	[%o0 + 0x108], %f2
232	DES_ROUND(4, 6, 32, 32)
233	ldd	[%o0 + 0x110], %f4
234	ldd	[%o0 + 0x118], %f6
235	DES_ROUND(8, 10, 32, 32)
236	ldd	[%o0 + 0x120], %f8
237	ldd	[%o0 + 0x128], %f10
238	DES_ROUND(12, 14, 32, 32)
239	ldd	[%o0 + 0x130], %f12
240	ldd	[%o0 + 0x138], %f14
241	DES_ROUND(16, 18, 32, 32)
242	ldd	[%o0 + 0x140], %f16
243	ldd	[%o0 + 0x148], %f18
244	DES_ROUND(20, 22, 32, 32)
245	ldd	[%o0 + 0x150], %f20
246	ldd	[%o0 + 0x158], %f22
247	DES_ROUND(24, 26, 32, 32)
248	ldd	[%o0 + 0x160], %f24
249	ldd	[%o0 + 0x168], %f26
250	DES_ROUND(28, 30, 32, 32)
251	ldd	[%o0 + 0x170], %f28
252	ldd	[%o0 + 0x178], %f30
253	DES_IIP(32, 32)
254	DES_IP(32, 32)
255	DES_ROUND(0, 2, 32, 32)
256	DES_ROUND(4, 6, 32, 32)
257	DES_ROUND(8, 10, 32, 32)
258	DES_ROUND(12, 14, 32, 32)
259	DES_ROUND(16, 18, 32, 32)
260	DES_ROUND(20, 22, 32, 32)
261	DES_ROUND(24, 26, 32, 32)
262	DES_ROUND(28, 30, 32, 32)
263	DES_IIP(32, 32)
264
265	std	%f32, [%o2 + 0x00]
266	retl
267	 VISExit
268ENDPROC(des3_ede_sparc64_crypt)
269
270	.align	32
271ENTRY(des3_ede_sparc64_load_keys)
272	/* %o0=key */
273	VISEntry
274	ldd	[%o0 + 0x00], %f0
275	ldd	[%o0 + 0x08], %f2
276	ldd	[%o0 + 0x10], %f4
277	ldd	[%o0 + 0x18], %f6
278	ldd	[%o0 + 0x20], %f8
279	ldd	[%o0 + 0x28], %f10
280	ldd	[%o0 + 0x30], %f12
281	ldd	[%o0 + 0x38], %f14
282	ldd	[%o0 + 0x40], %f16
283	ldd	[%o0 + 0x48], %f18
284	ldd	[%o0 + 0x50], %f20
285	ldd	[%o0 + 0x58], %f22
286	ldd	[%o0 + 0x60], %f24
287	ldd	[%o0 + 0x68], %f26
288	ldd	[%o0 + 0x70], %f28
289	ldd	[%o0 + 0x78], %f30
290	ldd	[%o0 + 0x80], %f32
291	ldd	[%o0 + 0x88], %f34
292	ldd	[%o0 + 0x90], %f36
293	ldd	[%o0 + 0x98], %f38
294	ldd	[%o0 + 0xa0], %f40
295	ldd	[%o0 + 0xa8], %f42
296	ldd	[%o0 + 0xb0], %f44
297	ldd	[%o0 + 0xb8], %f46
298	ldd	[%o0 + 0xc0], %f48
299	ldd	[%o0 + 0xc8], %f50
300	ldd	[%o0 + 0xd0], %f52
301	ldd	[%o0 + 0xd8], %f54
302	ldd	[%o0 + 0xe0], %f56
303	retl
304	 ldd	[%o0 + 0xe8], %f58
305ENDPROC(des3_ede_sparc64_load_keys)
306
307#define DES3_LOOP_BODY(X) \
308	DES_IP(X, X) \
309	DES_ROUND(0, 2, X, X) \
310	DES_ROUND(4, 6, X, X) \
311	DES_ROUND(8, 10, X, X) \
312	DES_ROUND(12, 14, X, X) \
313	DES_ROUND(16, 18, X, X) \
314	ldd	[%o0 + 0xf0], %f16; \
315	ldd	[%o0 + 0xf8], %f18; \
316	DES_ROUND(20, 22, X, X) \
317	ldd	[%o0 + 0x100], %f20; \
318	ldd	[%o0 + 0x108], %f22; \
319	DES_ROUND(24, 26, X, X) \
320	ldd	[%o0 + 0x110], %f24; \
321	ldd	[%o0 + 0x118], %f26; \
322	DES_ROUND(28, 30, X, X) \
323	ldd	[%o0 + 0x120], %f28; \
324	ldd	[%o0 + 0x128], %f30; \
325	DES_IIP(X, X) \
326	DES_IP(X, X) \
327	DES_ROUND(32, 34, X, X) \
328	ldd	[%o0 + 0x130], %f0; \
329	ldd	[%o0 + 0x138], %f2; \
330	DES_ROUND(36, 38, X, X) \
331	ldd	[%o0 + 0x140], %f4; \
332	ldd	[%o0 + 0x148], %f6; \
333	DES_ROUND(40, 42, X, X) \
334	ldd	[%o0 + 0x150], %f8; \
335	ldd	[%o0 + 0x158], %f10; \
336	DES_ROUND(44, 46, X, X) \
337	ldd	[%o0 + 0x160], %f12; \
338	ldd	[%o0 + 0x168], %f14; \
339	DES_ROUND(48, 50, X, X) \
340	DES_ROUND(52, 54, X, X) \
341	DES_ROUND(56, 58, X, X) \
342	DES_ROUND(16, 18, X, X) \
343	ldd	[%o0 + 0x170], %f16; \
344	ldd	[%o0 + 0x178], %f18; \
345	DES_IIP(X, X) \
346	DES_IP(X, X) \
347	DES_ROUND(20, 22, X, X) \
348	ldd	[%o0 + 0x50], %f20; \
349	ldd	[%o0 + 0x58], %f22; \
350	DES_ROUND(24, 26, X, X) \
351	ldd	[%o0 + 0x60], %f24; \
352	ldd	[%o0 + 0x68], %f26; \
353	DES_ROUND(28, 30, X, X) \
354	ldd	[%o0 + 0x70], %f28; \
355	ldd	[%o0 + 0x78], %f30; \
356	DES_ROUND(0, 2, X, X) \
357	ldd	[%o0 + 0x00], %f0; \
358	ldd	[%o0 + 0x08], %f2; \
359	DES_ROUND(4, 6, X, X) \
360	ldd	[%o0 + 0x10], %f4; \
361	ldd	[%o0 + 0x18], %f6; \
362	DES_ROUND(8, 10, X, X) \
363	ldd	[%o0 + 0x20], %f8; \
364	ldd	[%o0 + 0x28], %f10; \
365	DES_ROUND(12, 14, X, X) \
366	ldd	[%o0 + 0x30], %f12; \
367	ldd	[%o0 + 0x38], %f14; \
368	DES_ROUND(16, 18, X, X) \
369	ldd	[%o0 + 0x40], %f16; \
370	ldd	[%o0 + 0x48], %f18; \
371	DES_IIP(X, X)
372
373	.align	32
374ENTRY(des3_ede_sparc64_ecb_crypt)
375	/* %o0=key, %o1=input, %o2=output, %o3=len */
3761:	ldd	[%o1 + 0x00], %f60
377	DES3_LOOP_BODY(60)
378	std	%f60, [%o2 + 0x00]
379	add	%o1, 0x08, %o1
380	subcc	%o3, 0x08, %o3
381	bne,pt	%icc, 1b
382	 add	%o2, 0x08, %o2
383	retl
384	 nop
385ENDPROC(des3_ede_sparc64_ecb_crypt)
386
387	.align	32
388ENTRY(des3_ede_sparc64_cbc_encrypt)
389	/* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */
390	ldd	[%o4 + 0x00], %f60
3911:	ldd	[%o1 + 0x00], %f62
392	fxor	%f60, %f62, %f60
393	DES3_LOOP_BODY(60)
394	std	%f60, [%o2 + 0x00]
395	add	%o1, 0x08, %o1
396	subcc	%o3, 0x08, %o3
397	bne,pt	%icc, 1b
398	 add	%o2, 0x08, %o2
399	retl
400	 std	%f60, [%o4 + 0x00]
401ENDPROC(des3_ede_sparc64_cbc_encrypt)
402
403	.align	32
404ENTRY(des3_ede_sparc64_cbc_decrypt)
405	/* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */
406	ldd	[%o4 + 0x00], %f62
4071:	ldx	[%o1 + 0x00], %g1
408	MOVXTOD_G1_F60
409	DES3_LOOP_BODY(60)
410	fxor	%f62, %f60, %f60
411	MOVXTOD_G1_F62
412	std	%f60, [%o2 + 0x00]
413	add	%o1, 0x08, %o1
414	subcc	%o3, 0x08, %o3
415	bne,pt	%icc, 1b
416	 add	%o2, 0x08, %o2
417	retl
418	 stx	%g1, [%o4 + 0x00]
419ENDPROC(des3_ede_sparc64_cbc_decrypt)
420