xref: /OK3568_Linux_fs/kernel/arch/sparc/crypto/sha1_asm.S (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun/* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun#include <linux/linkage.h>
3*4882a593Smuzhiyun#include <asm/visasm.h>
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun#include "opcodes.h"
6*4882a593Smuzhiyun
7*4882a593SmuzhiyunENTRY(sha1_sparc64_transform)
8*4882a593Smuzhiyun	/* %o0 = digest, %o1 = data, %o2 = rounds */
9*4882a593Smuzhiyun	VISEntryHalf
10*4882a593Smuzhiyun	ld	[%o0 + 0x00], %f0
11*4882a593Smuzhiyun	ld	[%o0 + 0x04], %f1
12*4882a593Smuzhiyun	ld	[%o0 + 0x08], %f2
13*4882a593Smuzhiyun	andcc	%o1, 0x7, %g0
14*4882a593Smuzhiyun	ld	[%o0 + 0x0c], %f3
15*4882a593Smuzhiyun	bne,pn	%xcc, 10f
16*4882a593Smuzhiyun	 ld	[%o0 + 0x10], %f4
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun1:
19*4882a593Smuzhiyun	ldd	[%o1 + 0x00], %f8
20*4882a593Smuzhiyun	ldd	[%o1 + 0x08], %f10
21*4882a593Smuzhiyun	ldd	[%o1 + 0x10], %f12
22*4882a593Smuzhiyun	ldd	[%o1 + 0x18], %f14
23*4882a593Smuzhiyun	ldd	[%o1 + 0x20], %f16
24*4882a593Smuzhiyun	ldd	[%o1 + 0x28], %f18
25*4882a593Smuzhiyun	ldd	[%o1 + 0x30], %f20
26*4882a593Smuzhiyun	ldd	[%o1 + 0x38], %f22
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun	SHA1
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun	subcc	%o2, 1, %o2
31*4882a593Smuzhiyun	bne,pt	%xcc, 1b
32*4882a593Smuzhiyun	 add	%o1, 0x40, %o1
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun5:
35*4882a593Smuzhiyun	st	%f0, [%o0 + 0x00]
36*4882a593Smuzhiyun	st	%f1, [%o0 + 0x04]
37*4882a593Smuzhiyun	st	%f2, [%o0 + 0x08]
38*4882a593Smuzhiyun	st	%f3, [%o0 + 0x0c]
39*4882a593Smuzhiyun	st	%f4, [%o0 + 0x10]
40*4882a593Smuzhiyun	retl
41*4882a593Smuzhiyun	 VISExitHalf
42*4882a593Smuzhiyun10:
43*4882a593Smuzhiyun	alignaddr %o1, %g0, %o1
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun	ldd	[%o1 + 0x00], %f10
46*4882a593Smuzhiyun1:
47*4882a593Smuzhiyun	ldd	[%o1 + 0x08], %f12
48*4882a593Smuzhiyun	ldd	[%o1 + 0x10], %f14
49*4882a593Smuzhiyun	ldd	[%o1 + 0x18], %f16
50*4882a593Smuzhiyun	ldd	[%o1 + 0x20], %f18
51*4882a593Smuzhiyun	ldd	[%o1 + 0x28], %f20
52*4882a593Smuzhiyun	ldd	[%o1 + 0x30], %f22
53*4882a593Smuzhiyun	ldd	[%o1 + 0x38], %f24
54*4882a593Smuzhiyun	ldd	[%o1 + 0x40], %f26
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun	faligndata %f10, %f12, %f8
57*4882a593Smuzhiyun	faligndata %f12, %f14, %f10
58*4882a593Smuzhiyun	faligndata %f14, %f16, %f12
59*4882a593Smuzhiyun	faligndata %f16, %f18, %f14
60*4882a593Smuzhiyun	faligndata %f18, %f20, %f16
61*4882a593Smuzhiyun	faligndata %f20, %f22, %f18
62*4882a593Smuzhiyun	faligndata %f22, %f24, %f20
63*4882a593Smuzhiyun	faligndata %f24, %f26, %f22
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun	SHA1
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun	subcc	%o2, 1, %o2
68*4882a593Smuzhiyun	fsrc2	%f26, %f10
69*4882a593Smuzhiyun	bne,pt	%xcc, 1b
70*4882a593Smuzhiyun	 add	%o1, 0x40, %o1
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun	ba,a,pt	%xcc, 5b
73*4882a593SmuzhiyunENDPROC(sha1_sparc64_transform)
74