cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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des_asm.S (9645B)


      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)