1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
|
;;
;; Copyright (c) 2020-2022, Intel Corporation
;;
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions are met:
;;
;; * Redistributions of source code must retain the above copyright notice,
;; this list of conditions and the following disclaimer.
;; * Redistributions in binary form must reproduce the above copyright
;; notice, this list of conditions and the following disclaimer in the
;; documentation and/or other materials provided with the distribution.
;; * Neither the name of Intel Corporation nor the names of its contributors
;; may be used to endorse or promote products derived from this software
;; without specific prior written permission.
;;
;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
;; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
;; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
;; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
;; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
;; CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
;; OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
;; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;
%include "include/os.asm"
%include "include/reg_sizes.asm"
%include "include/crc32_const.inc"
%include "include/clear_regs.asm"
%include "include/cet.inc"
%include "include/error.inc"
[bits 64]
default rel
%ifndef CRC16_FP_DATA_FN
%define CRC16_FP_DATA_FN crc16_fp_data_sse
%endif
%ifndef CRC11_FP_HEADER_FN
%define CRC11_FP_HEADER_FN crc11_fp_header_sse
%endif
%ifndef CRC7_FP_HEADER_FN
%define CRC7_FP_HEADER_FN crc7_fp_header_sse
%endif
%ifndef CRC32_FN
%define CRC32_FN crc32_by8_sse
%endif
%ifdef LINUX
%define arg1 rdi
%define arg2 rsi
%define arg3 rdx
%define arg4 rcx
%else
%define arg1 rcx
%define arg2 rdx
%define arg3 r8
%define arg4 r9
%endif
struc STACK_FRAME
_xmm_save: resq 8 * 2
_rsp_save: resq 1
endstruc
mksection .text
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; arg1 - buffer pointer
;; arg2 - buffer size in bytes
;; Returns CRC value through RAX
align 32
MKGLOBAL(CRC16_FP_DATA_FN, function,)
CRC16_FP_DATA_FN:
endbranch64
%ifdef SAFE_PARAM
;; Reset imb_errno
IMB_ERR_CHECK_RESET
;; Check len == 0
or arg2, arg2
jz .end_param_check
;; Check in == NULL (invalid if len != 0)
or arg1, arg1
jz .wrong_param
.end_param_check:
%endif
%ifndef LINUX
mov rax, rsp
sub rsp, STACK_FRAME_size
and rsp, -16
mov [rsp + _rsp_save], rax
movdqa [rsp + _xmm_save + 16*0], xmm6
movdqa [rsp + _xmm_save + 16*1], xmm7
movdqa [rsp + _xmm_save + 16*2], xmm8
movdqa [rsp + _xmm_save + 16*3], xmm9
movdqa [rsp + _xmm_save + 16*4], xmm10
movdqa [rsp + _xmm_save + 16*5], xmm11
movdqa [rsp + _xmm_save + 16*6], xmm12
movdqa [rsp + _xmm_save + 16*7], xmm13
%endif
lea arg4, [rel crc32_fp_data_crc16_const]
mov arg3, arg2
mov arg2, arg1
xor DWORD(arg1), DWORD(arg1)
call CRC32_FN
shr eax, 16 ; adjust to 16-bit poly
%ifdef SAFE_DATA
clear_scratch_xmms_sse_asm
%endif
%ifndef LINUX
movdqa xmm6, [rsp + _xmm_save + 16*0]
movdqa xmm7, [rsp + _xmm_save + 16*1]
movdqa xmm8, [rsp + _xmm_save + 16*2]
movdqa xmm9, [rsp + _xmm_save + 16*3]
movdqa xmm10, [rsp + _xmm_save + 16*4]
movdqa xmm11, [rsp + _xmm_save + 16*5]
movdqa xmm12, [rsp + _xmm_save + 16*6]
movdqa xmm13, [rsp + _xmm_save + 16*7]
mov rsp, [rsp + _rsp_save]
%endif
ret
%ifdef SAFE_PARAM
.wrong_param:
;; Clear reg and imb_errno
IMB_ERR_CHECK_START rax
;; Check in != NULL
IMB_ERR_CHECK_NULL arg1, rax, IMB_ERR_NULL_SRC
;; Set imb_errno
IMB_ERR_CHECK_END rax
ret
%endif
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; arg1 - buffer pointer
;; arg2 - buffer size in bytes
;; Returns CRC value through RAX
align 32
MKGLOBAL(CRC11_FP_HEADER_FN, function,)
CRC11_FP_HEADER_FN:
endbranch64
%ifdef SAFE_PARAM
;; Reset imb_errno
IMB_ERR_CHECK_RESET
;; Check len == 0
or arg2, arg2
jz .end_param_check
;; Check in == NULL (invalid if len != 0)
or arg1, arg1
jz .wrong_param
.end_param_check:
%endif
%ifndef LINUX
mov rax, rsp
sub rsp, STACK_FRAME_size
and rsp, -16
mov [rsp + _rsp_save], rax
movdqa [rsp + _xmm_save + 16*0], xmm6
movdqa [rsp + _xmm_save + 16*1], xmm7
movdqa [rsp + _xmm_save + 16*2], xmm8
movdqa [rsp + _xmm_save + 16*3], xmm9
movdqa [rsp + _xmm_save + 16*4], xmm10
movdqa [rsp + _xmm_save + 16*5], xmm11
movdqa [rsp + _xmm_save + 16*6], xmm12
movdqa [rsp + _xmm_save + 16*7], xmm13
%endif
lea arg4, [rel crc32_fp_header_crc11_const]
mov arg3, arg2
mov arg2, arg1
xor DWORD(arg1), DWORD(arg1)
call CRC32_FN
shr eax, 21 ; adjust to 11-bit poly
%ifdef SAFE_DATA
clear_scratch_xmms_sse_asm
%endif
%ifndef LINUX
movdqa xmm6, [rsp + _xmm_save + 16*0]
movdqa xmm7, [rsp + _xmm_save + 16*1]
movdqa xmm8, [rsp + _xmm_save + 16*2]
movdqa xmm9, [rsp + _xmm_save + 16*3]
movdqa xmm10, [rsp + _xmm_save + 16*4]
movdqa xmm11, [rsp + _xmm_save + 16*5]
movdqa xmm12, [rsp + _xmm_save + 16*6]
movdqa xmm13, [rsp + _xmm_save + 16*7]
mov rsp, [rsp + _rsp_save]
%endif
ret
%ifdef SAFE_PARAM
.wrong_param:
;; Clear reg and imb_errno
IMB_ERR_CHECK_START rax
;; Check in != NULL
IMB_ERR_CHECK_NULL arg1, rax, IMB_ERR_NULL_SRC
;; Set imb_errno
IMB_ERR_CHECK_END rax
ret
%endif
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; arg1 - buffer pointer
;; arg2 - buffer size in bytes
;; Returns CRC value through RAX
align 32
MKGLOBAL(CRC7_FP_HEADER_FN, function,)
CRC7_FP_HEADER_FN:
endbranch64
%ifdef SAFE_PARAM
;; Reset imb_errno
IMB_ERR_CHECK_RESET
;; Check len == 0
or arg2, arg2
jz .end_param_check
;; Check in == NULL (invalid if len != 0)
or arg1, arg1
jz .wrong_param
.end_param_check:
%endif
%ifndef LINUX
mov rax, rsp
sub rsp, STACK_FRAME_size
and rsp, -16
mov [rsp + _rsp_save], rax
movdqa [rsp + _xmm_save + 16*0], xmm6
movdqa [rsp + _xmm_save + 16*1], xmm7
movdqa [rsp + _xmm_save + 16*2], xmm8
movdqa [rsp + _xmm_save + 16*3], xmm9
movdqa [rsp + _xmm_save + 16*4], xmm10
movdqa [rsp + _xmm_save + 16*5], xmm11
movdqa [rsp + _xmm_save + 16*6], xmm12
movdqa [rsp + _xmm_save + 16*7], xmm13
%endif
lea arg4, [rel crc32_fp_header_crc7_const]
mov arg3, arg2
mov arg2, arg1
xor DWORD(arg1), DWORD(arg1)
call CRC32_FN
shr eax, 25 ; adjust to 7-bit poly
%ifdef SAFE_DATA
clear_scratch_xmms_sse_asm
%endif
%ifndef LINUX
movdqa xmm6, [rsp + _xmm_save + 16*0]
movdqa xmm7, [rsp + _xmm_save + 16*1]
movdqa xmm8, [rsp + _xmm_save + 16*2]
movdqa xmm9, [rsp + _xmm_save + 16*3]
movdqa xmm10, [rsp + _xmm_save + 16*4]
movdqa xmm11, [rsp + _xmm_save + 16*5]
movdqa xmm12, [rsp + _xmm_save + 16*6]
movdqa xmm13, [rsp + _xmm_save + 16*7]
mov rsp, [rsp + _rsp_save]
%endif
ret
%ifdef SAFE_PARAM
.wrong_param:
;; Clear reg and imb_errno
IMB_ERR_CHECK_START rax
;; Check in != NULL
IMB_ERR_CHECK_NULL arg1, rax, IMB_ERR_NULL_SRC
;; Set imb_errno
IMB_ERR_CHECK_END rax
ret
%endif
mksection stack-noexec
|
