xref: /openbmc/linux/arch/x86/crypto/sha512-avx2-asm.S (revision 5663535b69eef3940dcdb3110f95651304fe41af)
1*5663535bSTim Chen########################################################################
2*5663535bSTim Chen# Implement fast SHA-512 with AVX2 instructions. (x86_64)
3*5663535bSTim Chen#
4*5663535bSTim Chen# Copyright (C) 2013 Intel Corporation.
5*5663535bSTim Chen#
6*5663535bSTim Chen# Authors:
7*5663535bSTim Chen#     James Guilford <james.guilford@intel.com>
8*5663535bSTim Chen#     Kirk Yap <kirk.s.yap@intel.com>
9*5663535bSTim Chen#     David Cote <david.m.cote@intel.com>
10*5663535bSTim Chen#     Tim Chen <tim.c.chen@linux.intel.com>
11*5663535bSTim Chen#
12*5663535bSTim Chen# This software is available to you under a choice of one of two
13*5663535bSTim Chen# licenses.  You may choose to be licensed under the terms of the GNU
14*5663535bSTim Chen# General Public License (GPL) Version 2, available from the file
15*5663535bSTim Chen# COPYING in the main directory of this source tree, or the
16*5663535bSTim Chen# OpenIB.org BSD license below:
17*5663535bSTim Chen#
18*5663535bSTim Chen#     Redistribution and use in source and binary forms, with or
19*5663535bSTim Chen#     without modification, are permitted provided that the following
20*5663535bSTim Chen#     conditions are met:
21*5663535bSTim Chen#
22*5663535bSTim Chen#      - Redistributions of source code must retain the above
23*5663535bSTim Chen#        copyright notice, this list of conditions and the following
24*5663535bSTim Chen#        disclaimer.
25*5663535bSTim Chen#
26*5663535bSTim Chen#      - Redistributions in binary form must reproduce the above
27*5663535bSTim Chen#        copyright notice, this list of conditions and the following
28*5663535bSTim Chen#        disclaimer in the documentation and/or other materials
29*5663535bSTim Chen#        provided with the distribution.
30*5663535bSTim Chen#
31*5663535bSTim Chen# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
32*5663535bSTim Chen# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
33*5663535bSTim Chen# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
34*5663535bSTim Chen# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
35*5663535bSTim Chen# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
36*5663535bSTim Chen# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
37*5663535bSTim Chen# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
38*5663535bSTim Chen# SOFTWARE.
39*5663535bSTim Chen#
40*5663535bSTim Chen########################################################################
41*5663535bSTim Chen#
42*5663535bSTim Chen# This code is described in an Intel White-Paper:
43*5663535bSTim Chen# "Fast SHA-512 Implementations on Intel Architecture Processors"
44*5663535bSTim Chen#
45*5663535bSTim Chen# To find it, surf to http://www.intel.com/p/en_US/embedded
46*5663535bSTim Chen# and search for that title.
47*5663535bSTim Chen#
48*5663535bSTim Chen########################################################################
49*5663535bSTim Chen# This code schedules 1 blocks at a time, with 4 lanes per block
50*5663535bSTim Chen########################################################################
51*5663535bSTim Chen
52*5663535bSTim Chen#ifdef CONFIG_AS_AVX2
53*5663535bSTim Chen#include <linux/linkage.h>
54*5663535bSTim Chen
55*5663535bSTim Chen.text
56*5663535bSTim Chen
57*5663535bSTim Chen# Virtual Registers
58*5663535bSTim ChenY_0 = %ymm4
59*5663535bSTim ChenY_1 = %ymm5
60*5663535bSTim ChenY_2 = %ymm6
61*5663535bSTim ChenY_3 = %ymm7
62*5663535bSTim Chen
63*5663535bSTim ChenYTMP0 = %ymm0
64*5663535bSTim ChenYTMP1 = %ymm1
65*5663535bSTim ChenYTMP2 = %ymm2
66*5663535bSTim ChenYTMP3 = %ymm3
67*5663535bSTim ChenYTMP4 = %ymm8
68*5663535bSTim ChenXFER  = YTMP0
69*5663535bSTim Chen
70*5663535bSTim ChenBYTE_FLIP_MASK  = %ymm9
71*5663535bSTim Chen
72*5663535bSTim Chen# 1st arg
73*5663535bSTim ChenINP         = %rdi
74*5663535bSTim Chen# 2nd arg
75*5663535bSTim ChenCTX         = %rsi
76*5663535bSTim Chen# 3rd arg
77*5663535bSTim ChenNUM_BLKS    = %rdx
78*5663535bSTim Chen
79*5663535bSTim Chenc           = %rcx
80*5663535bSTim Chend           = %r8
81*5663535bSTim Chene           = %rdx
82*5663535bSTim Cheny3          = %rdi
83*5663535bSTim Chen
84*5663535bSTim ChenTBL   = %rbp
85*5663535bSTim Chen
86*5663535bSTim Chena     = %rax
87*5663535bSTim Chenb     = %rbx
88*5663535bSTim Chen
89*5663535bSTim Chenf     = %r9
90*5663535bSTim Cheng     = %r10
91*5663535bSTim Chenh     = %r11
92*5663535bSTim Chenold_h = %r11
93*5663535bSTim Chen
94*5663535bSTim ChenT1    = %r12
95*5663535bSTim Cheny0    = %r13
96*5663535bSTim Cheny1    = %r14
97*5663535bSTim Cheny2    = %r15
98*5663535bSTim Chen
99*5663535bSTim Cheny4    = %r12
100*5663535bSTim Chen
101*5663535bSTim Chen# Local variables (stack frame)
102*5663535bSTim ChenXFER_SIZE = 4*8
103*5663535bSTim ChenSRND_SIZE = 1*8
104*5663535bSTim ChenINP_SIZE = 1*8
105*5663535bSTim ChenINPEND_SIZE = 1*8
106*5663535bSTim ChenRSPSAVE_SIZE = 1*8
107*5663535bSTim ChenGPRSAVE_SIZE = 6*8
108*5663535bSTim Chen
109*5663535bSTim Chenframe_XFER = 0
110*5663535bSTim Chenframe_SRND = frame_XFER + XFER_SIZE
111*5663535bSTim Chenframe_INP = frame_SRND + SRND_SIZE
112*5663535bSTim Chenframe_INPEND = frame_INP + INP_SIZE
113*5663535bSTim Chenframe_RSPSAVE = frame_INPEND + INPEND_SIZE
114*5663535bSTim Chenframe_GPRSAVE = frame_RSPSAVE + RSPSAVE_SIZE
115*5663535bSTim Chenframe_size = frame_GPRSAVE + GPRSAVE_SIZE
116*5663535bSTim Chen
117*5663535bSTim Chen## assume buffers not aligned
118*5663535bSTim Chen#define	VMOVDQ vmovdqu
119*5663535bSTim Chen
120*5663535bSTim Chen# addm [mem], reg
121*5663535bSTim Chen# Add reg to mem using reg-mem add and store
122*5663535bSTim Chen.macro addm p1 p2
123*5663535bSTim Chen	add	\p1, \p2
124*5663535bSTim Chen	mov	\p2, \p1
125*5663535bSTim Chen.endm
126*5663535bSTim Chen
127*5663535bSTim Chen
128*5663535bSTim Chen# COPY_YMM_AND_BSWAP ymm, [mem], byte_flip_mask
129*5663535bSTim Chen# Load ymm with mem and byte swap each dword
130*5663535bSTim Chen.macro COPY_YMM_AND_BSWAP p1 p2 p3
131*5663535bSTim Chen	VMOVDQ \p2, \p1
132*5663535bSTim Chen	vpshufb \p3, \p1, \p1
133*5663535bSTim Chen.endm
134*5663535bSTim Chen# rotate_Ys
135*5663535bSTim Chen# Rotate values of symbols Y0...Y3
136*5663535bSTim Chen.macro rotate_Ys
137*5663535bSTim Chen	Y_ = Y_0
138*5663535bSTim Chen	Y_0 = Y_1
139*5663535bSTim Chen	Y_1 = Y_2
140*5663535bSTim Chen	Y_2 = Y_3
141*5663535bSTim Chen	Y_3 = Y_
142*5663535bSTim Chen.endm
143*5663535bSTim Chen
144*5663535bSTim Chen# RotateState
145*5663535bSTim Chen.macro RotateState
146*5663535bSTim Chen	# Rotate symbols a..h right
147*5663535bSTim Chen	old_h  = h
148*5663535bSTim Chen	TMP_   = h
149*5663535bSTim Chen	h      = g
150*5663535bSTim Chen	g      = f
151*5663535bSTim Chen	f      = e
152*5663535bSTim Chen	e      = d
153*5663535bSTim Chen	d      = c
154*5663535bSTim Chen	c      = b
155*5663535bSTim Chen	b      = a
156*5663535bSTim Chen	a      = TMP_
157*5663535bSTim Chen.endm
158*5663535bSTim Chen
159*5663535bSTim Chen# macro MY_VPALIGNR	YDST, YSRC1, YSRC2, RVAL
160*5663535bSTim Chen# YDST = {YSRC1, YSRC2} >> RVAL*8
161*5663535bSTim Chen.macro MY_VPALIGNR YDST YSRC1 YSRC2 RVAL
162*5663535bSTim Chen	vperm2f128      $0x3, \YSRC2, \YSRC1, \YDST     # YDST = {YS1_LO, YS2_HI}
163*5663535bSTim Chen	vpalignr        $\RVAL, \YSRC2, \YDST, \YDST    # YDST = {YDS1, YS2} >> RVAL*8
164*5663535bSTim Chen.endm
165*5663535bSTim Chen
166*5663535bSTim Chen.macro FOUR_ROUNDS_AND_SCHED
167*5663535bSTim Chen################################### RND N + 0 #########################################
168*5663535bSTim Chen
169*5663535bSTim Chen	# Extract w[t-7]
170*5663535bSTim Chen	MY_VPALIGNR	YTMP0, Y_3, Y_2, 8		# YTMP0 = W[-7]
171*5663535bSTim Chen	# Calculate w[t-16] + w[t-7]
172*5663535bSTim Chen	vpaddq		Y_0, YTMP0, YTMP0		# YTMP0 = W[-7] + W[-16]
173*5663535bSTim Chen	# Extract w[t-15]
174*5663535bSTim Chen	MY_VPALIGNR	YTMP1, Y_1, Y_0, 8		# YTMP1 = W[-15]
175*5663535bSTim Chen
176*5663535bSTim Chen	# Calculate sigma0
177*5663535bSTim Chen
178*5663535bSTim Chen	# Calculate w[t-15] ror 1
179*5663535bSTim Chen	vpsrlq		$1, YTMP1, YTMP2
180*5663535bSTim Chen	vpsllq		$(64-1), YTMP1, YTMP3
181*5663535bSTim Chen	vpor		YTMP2, YTMP3, YTMP3		# YTMP3 = W[-15] ror 1
182*5663535bSTim Chen	# Calculate w[t-15] shr 7
183*5663535bSTim Chen	vpsrlq		$7, YTMP1, YTMP4		# YTMP4 = W[-15] >> 7
184*5663535bSTim Chen
185*5663535bSTim Chen	mov	a, y3		# y3 = a                                # MAJA
186*5663535bSTim Chen	rorx	$41, e, y0	# y0 = e >> 41				# S1A
187*5663535bSTim Chen	rorx	$18, e, y1	# y1 = e >> 18				# S1B
188*5663535bSTim Chen	add	frame_XFER(%rsp),h		# h = k + w + h         # --
189*5663535bSTim Chen	or	c, y3		# y3 = a|c                              # MAJA
190*5663535bSTim Chen	mov	f, y2		# y2 = f                                # CH
191*5663535bSTim Chen	rorx	$34, a, T1	# T1 = a >> 34				# S0B
192*5663535bSTim Chen
193*5663535bSTim Chen	xor	y1, y0		# y0 = (e>>41) ^ (e>>18)		# S1
194*5663535bSTim Chen	xor	g, y2		# y2 = f^g                              # CH
195*5663535bSTim Chen	rorx	$14, e, y1	# y1 = (e >> 14)			# S1
196*5663535bSTim Chen
197*5663535bSTim Chen	and	e, y2		# y2 = (f^g)&e                          # CH
198*5663535bSTim Chen	xor	y1, y0		# y0 = (e>>41) ^ (e>>18) ^ (e>>14)	# S1
199*5663535bSTim Chen	rorx	$39, a, y1	# y1 = a >> 39				# S0A
200*5663535bSTim Chen	add	h, d		# d = k + w + h + d                     # --
201*5663535bSTim Chen
202*5663535bSTim Chen	and	b, y3		# y3 = (a|c)&b                          # MAJA
203*5663535bSTim Chen	xor	T1, y1		# y1 = (a>>39) ^ (a>>34)		# S0
204*5663535bSTim Chen	rorx	$28, a, T1	# T1 = (a >> 28)			# S0
205*5663535bSTim Chen
206*5663535bSTim Chen	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
207*5663535bSTim Chen	xor	T1, y1		# y1 = (a>>39) ^ (a>>34) ^ (a>>28)	# S0
208*5663535bSTim Chen	mov	a, T1		# T1 = a                                # MAJB
209*5663535bSTim Chen	and	c, T1		# T1 = a&c                              # MAJB
210*5663535bSTim Chen
211*5663535bSTim Chen	add	y0, y2		# y2 = S1 + CH                          # --
212*5663535bSTim Chen	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
213*5663535bSTim Chen	add	y1, h		# h = k + w + h + S0                    # --
214*5663535bSTim Chen
215*5663535bSTim Chen	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
216*5663535bSTim Chen
217*5663535bSTim Chen	add	y2, h		# h = k + w + h + S0 + S1 + CH = t1 + S0# --
218*5663535bSTim Chen	add	y3, h		# h = t1 + S0 + MAJ                     # --
219*5663535bSTim Chen
220*5663535bSTim Chen	RotateState
221*5663535bSTim Chen
222*5663535bSTim Chen################################### RND N + 1 #########################################
223*5663535bSTim Chen
224*5663535bSTim Chen	# Calculate w[t-15] ror 8
225*5663535bSTim Chen	vpsrlq		$8, YTMP1, YTMP2
226*5663535bSTim Chen	vpsllq		$(64-8), YTMP1, YTMP1
227*5663535bSTim Chen	vpor		YTMP2, YTMP1, YTMP1		# YTMP1 = W[-15] ror 8
228*5663535bSTim Chen	# XOR the three components
229*5663535bSTim Chen	vpxor		YTMP4, YTMP3, YTMP3		# YTMP3 = W[-15] ror 1 ^ W[-15] >> 7
230*5663535bSTim Chen	vpxor		YTMP1, YTMP3, YTMP1		# YTMP1 = s0
231*5663535bSTim Chen
232*5663535bSTim Chen
233*5663535bSTim Chen	# Add three components, w[t-16], w[t-7] and sigma0
234*5663535bSTim Chen	vpaddq		YTMP1, YTMP0, YTMP0		# YTMP0 = W[-16] + W[-7] + s0
235*5663535bSTim Chen	# Move to appropriate lanes for calculating w[16] and w[17]
236*5663535bSTim Chen	vperm2f128	$0x0, YTMP0, YTMP0, Y_0		# Y_0 = W[-16] + W[-7] + s0 {BABA}
237*5663535bSTim Chen	# Move to appropriate lanes for calculating w[18] and w[19]
238*5663535bSTim Chen	vpand		MASK_YMM_LO(%rip), YTMP0, YTMP0	# YTMP0 = W[-16] + W[-7] + s0 {DC00}
239*5663535bSTim Chen
240*5663535bSTim Chen	# Calculate w[16] and w[17] in both 128 bit lanes
241*5663535bSTim Chen
242*5663535bSTim Chen	# Calculate sigma1 for w[16] and w[17] on both 128 bit lanes
243*5663535bSTim Chen	vperm2f128	$0x11, Y_3, Y_3, YTMP2		# YTMP2 = W[-2] {BABA}
244*5663535bSTim Chen	vpsrlq		$6, YTMP2, YTMP4		# YTMP4 = W[-2] >> 6 {BABA}
245*5663535bSTim Chen
246*5663535bSTim Chen
247*5663535bSTim Chen	mov	a, y3		# y3 = a                                # MAJA
248*5663535bSTim Chen	rorx	$41, e, y0	# y0 = e >> 41				# S1A
249*5663535bSTim Chen	rorx	$18, e, y1	# y1 = e >> 18				# S1B
250*5663535bSTim Chen	add	1*8+frame_XFER(%rsp), h		# h = k + w + h         # --
251*5663535bSTim Chen	or	c, y3		# y3 = a|c                              # MAJA
252*5663535bSTim Chen
253*5663535bSTim Chen
254*5663535bSTim Chen	mov	f, y2		# y2 = f                                # CH
255*5663535bSTim Chen	rorx	$34, a, T1	# T1 = a >> 34				# S0B
256*5663535bSTim Chen	xor	y1, y0		# y0 = (e>>41) ^ (e>>18)		# S1
257*5663535bSTim Chen	xor	g, y2		# y2 = f^g                              # CH
258*5663535bSTim Chen
259*5663535bSTim Chen
260*5663535bSTim Chen	rorx	$14, e, y1	# y1 = (e >> 14)			# S1
261*5663535bSTim Chen	xor	y1, y0		# y0 = (e>>41) ^ (e>>18) ^ (e>>14)	# S1
262*5663535bSTim Chen	rorx	$39, a, y1	# y1 = a >> 39				# S0A
263*5663535bSTim Chen	and	e, y2		# y2 = (f^g)&e                          # CH
264*5663535bSTim Chen	add	h, d		# d = k + w + h + d                     # --
265*5663535bSTim Chen
266*5663535bSTim Chen	and	b, y3		# y3 = (a|c)&b                          # MAJA
267*5663535bSTim Chen	xor	T1, y1		# y1 = (a>>39) ^ (a>>34)		# S0
268*5663535bSTim Chen
269*5663535bSTim Chen	rorx	$28, a, T1	# T1 = (a >> 28)			# S0
270*5663535bSTim Chen	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
271*5663535bSTim Chen
272*5663535bSTim Chen	xor	T1, y1		# y1 = (a>>39) ^ (a>>34) ^ (a>>28)	# S0
273*5663535bSTim Chen	mov	a, T1		# T1 = a                                # MAJB
274*5663535bSTim Chen	and	c, T1		# T1 = a&c                              # MAJB
275*5663535bSTim Chen	add	y0, y2		# y2 = S1 + CH                          # --
276*5663535bSTim Chen
277*5663535bSTim Chen	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
278*5663535bSTim Chen	add	y1, h		# h = k + w + h + S0                    # --
279*5663535bSTim Chen
280*5663535bSTim Chen	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
281*5663535bSTim Chen	add	y2, h		# h = k + w + h + S0 + S1 + CH = t1 + S0# --
282*5663535bSTim Chen	add	y3, h		# h = t1 + S0 + MAJ                     # --
283*5663535bSTim Chen
284*5663535bSTim Chen	RotateState
285*5663535bSTim Chen
286*5663535bSTim Chen
287*5663535bSTim Chen################################### RND N + 2 #########################################
288*5663535bSTim Chen
289*5663535bSTim Chen	vpsrlq		$19, YTMP2, YTMP3		# YTMP3 = W[-2] >> 19 {BABA}
290*5663535bSTim Chen	vpsllq		$(64-19), YTMP2, YTMP1		# YTMP1 = W[-2] << 19 {BABA}
291*5663535bSTim Chen	vpor		YTMP1, YTMP3, YTMP3		# YTMP3 = W[-2] ror 19 {BABA}
292*5663535bSTim Chen	vpxor		YTMP3, YTMP4, YTMP4		# YTMP4 = W[-2] ror 19 ^ W[-2] >> 6 {BABA}
293*5663535bSTim Chen	vpsrlq		$61, YTMP2, YTMP3		# YTMP3 = W[-2] >> 61 {BABA}
294*5663535bSTim Chen	vpsllq		$(64-61), YTMP2, YTMP1		# YTMP1 = W[-2] << 61 {BABA}
295*5663535bSTim Chen	vpor		YTMP1, YTMP3, YTMP3		# YTMP3 = W[-2] ror 61 {BABA}
296*5663535bSTim Chen	vpxor		YTMP3, YTMP4, YTMP4		# YTMP4 = s1 = (W[-2] ror 19) ^
297*5663535bSTim Chen							#  (W[-2] ror 61) ^ (W[-2] >> 6) {BABA}
298*5663535bSTim Chen
299*5663535bSTim Chen	# Add sigma1 to the other compunents to get w[16] and w[17]
300*5663535bSTim Chen	vpaddq		YTMP4, Y_0, Y_0			# Y_0 = {W[1], W[0], W[1], W[0]}
301*5663535bSTim Chen
302*5663535bSTim Chen	# Calculate sigma1 for w[18] and w[19] for upper 128 bit lane
303*5663535bSTim Chen	vpsrlq		$6, Y_0, YTMP4			# YTMP4 = W[-2] >> 6 {DC--}
304*5663535bSTim Chen
305*5663535bSTim Chen	mov	a, y3		# y3 = a                                # MAJA
306*5663535bSTim Chen	rorx	$41, e, y0	# y0 = e >> 41				# S1A
307*5663535bSTim Chen	add	2*8+frame_XFER(%rsp), h		# h = k + w + h         # --
308*5663535bSTim Chen
309*5663535bSTim Chen	rorx	$18, e, y1	# y1 = e >> 18				# S1B
310*5663535bSTim Chen	or	c, y3		# y3 = a|c                              # MAJA
311*5663535bSTim Chen	mov	f, y2		# y2 = f                                # CH
312*5663535bSTim Chen	xor	g, y2		# y2 = f^g                              # CH
313*5663535bSTim Chen
314*5663535bSTim Chen	rorx	$34, a, T1	# T1 = a >> 34				# S0B
315*5663535bSTim Chen	xor	y1, y0		# y0 = (e>>41) ^ (e>>18)		# S1
316*5663535bSTim Chen	and	e, y2		# y2 = (f^g)&e                          # CH
317*5663535bSTim Chen
318*5663535bSTim Chen	rorx	$14, e, y1	# y1 = (e >> 14)			# S1
319*5663535bSTim Chen	add	h, d		# d = k + w + h + d                     # --
320*5663535bSTim Chen	and	b, y3		# y3 = (a|c)&b                          # MAJA
321*5663535bSTim Chen
322*5663535bSTim Chen	xor	y1, y0		# y0 = (e>>41) ^ (e>>18) ^ (e>>14)	# S1
323*5663535bSTim Chen	rorx	$39, a, y1	# y1 = a >> 39				# S0A
324*5663535bSTim Chen	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
325*5663535bSTim Chen
326*5663535bSTim Chen	xor	T1, y1		# y1 = (a>>39) ^ (a>>34)		# S0
327*5663535bSTim Chen	rorx	$28, a, T1	# T1 = (a >> 28)			# S0
328*5663535bSTim Chen
329*5663535bSTim Chen	xor	T1, y1		# y1 = (a>>39) ^ (a>>34) ^ (a>>28)	# S0
330*5663535bSTim Chen	mov	a, T1		# T1 = a                                # MAJB
331*5663535bSTim Chen	and	c, T1		# T1 = a&c                              # MAJB
332*5663535bSTim Chen	add	y0, y2		# y2 = S1 + CH                          # --
333*5663535bSTim Chen
334*5663535bSTim Chen	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
335*5663535bSTim Chen	add	y1, h		# h = k + w + h + S0                    # --
336*5663535bSTim Chen	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
337*5663535bSTim Chen	add	y2, h		# h = k + w + h + S0 + S1 + CH = t1 + S0# --
338*5663535bSTim Chen
339*5663535bSTim Chen	add	y3, h		# h = t1 + S0 + MAJ                     # --
340*5663535bSTim Chen
341*5663535bSTim Chen	RotateState
342*5663535bSTim Chen
343*5663535bSTim Chen################################### RND N + 3 #########################################
344*5663535bSTim Chen
345*5663535bSTim Chen	vpsrlq		$19, Y_0, YTMP3			# YTMP3 = W[-2] >> 19 {DC--}
346*5663535bSTim Chen	vpsllq		$(64-19), Y_0, YTMP1		# YTMP1 = W[-2] << 19 {DC--}
347*5663535bSTim Chen	vpor		YTMP1, YTMP3, YTMP3		# YTMP3 = W[-2] ror 19 {DC--}
348*5663535bSTim Chen	vpxor		YTMP3, YTMP4, YTMP4		# YTMP4 = W[-2] ror 19 ^ W[-2] >> 6 {DC--}
349*5663535bSTim Chen	vpsrlq		$61, Y_0, YTMP3			# YTMP3 = W[-2] >> 61 {DC--}
350*5663535bSTim Chen	vpsllq		$(64-61), Y_0, YTMP1		# YTMP1 = W[-2] << 61 {DC--}
351*5663535bSTim Chen	vpor		YTMP1, YTMP3, YTMP3		# YTMP3 = W[-2] ror 61 {DC--}
352*5663535bSTim Chen	vpxor		YTMP3, YTMP4, YTMP4		# YTMP4 = s1 = (W[-2] ror 19) ^
353*5663535bSTim Chen							#  (W[-2] ror 61) ^ (W[-2] >> 6) {DC--}
354*5663535bSTim Chen
355*5663535bSTim Chen	# Add the sigma0 + w[t-7] + w[t-16] for w[18] and w[19]
356*5663535bSTim Chen	# to newly calculated sigma1 to get w[18] and w[19]
357*5663535bSTim Chen	vpaddq		YTMP4, YTMP0, YTMP2		# YTMP2 = {W[3], W[2], --, --}
358*5663535bSTim Chen
359*5663535bSTim Chen	# Form w[19, w[18], w17], w[16]
360*5663535bSTim Chen	vpblendd		$0xF0, YTMP2, Y_0, Y_0		# Y_0 = {W[3], W[2], W[1], W[0]}
361*5663535bSTim Chen
362*5663535bSTim Chen	mov	a, y3		# y3 = a                                # MAJA
363*5663535bSTim Chen	rorx	$41, e, y0	# y0 = e >> 41				# S1A
364*5663535bSTim Chen	rorx	$18, e, y1	# y1 = e >> 18				# S1B
365*5663535bSTim Chen	add	3*8+frame_XFER(%rsp), h		# h = k + w + h         # --
366*5663535bSTim Chen	or	c, y3		# y3 = a|c                              # MAJA
367*5663535bSTim Chen
368*5663535bSTim Chen
369*5663535bSTim Chen	mov	f, y2		# y2 = f                                # CH
370*5663535bSTim Chen	rorx	$34, a, T1	# T1 = a >> 34				# S0B
371*5663535bSTim Chen	xor	y1, y0		# y0 = (e>>41) ^ (e>>18)		# S1
372*5663535bSTim Chen	xor	g, y2		# y2 = f^g                              # CH
373*5663535bSTim Chen
374*5663535bSTim Chen
375*5663535bSTim Chen	rorx	$14, e, y1	# y1 = (e >> 14)			# S1
376*5663535bSTim Chen	and	e, y2		# y2 = (f^g)&e                          # CH
377*5663535bSTim Chen	add	h, d		# d = k + w + h + d                     # --
378*5663535bSTim Chen	and	b, y3		# y3 = (a|c)&b                          # MAJA
379*5663535bSTim Chen
380*5663535bSTim Chen	xor	y1, y0		# y0 = (e>>41) ^ (e>>18) ^ (e>>14)	# S1
381*5663535bSTim Chen	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
382*5663535bSTim Chen
383*5663535bSTim Chen	rorx	$39, a, y1	# y1 = a >> 39				# S0A
384*5663535bSTim Chen	add	y0, y2		# y2 = S1 + CH                          # --
385*5663535bSTim Chen
386*5663535bSTim Chen	xor	T1, y1		# y1 = (a>>39) ^ (a>>34)		# S0
387*5663535bSTim Chen	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
388*5663535bSTim Chen
389*5663535bSTim Chen	rorx	$28, a, T1	# T1 = (a >> 28)			# S0
390*5663535bSTim Chen
391*5663535bSTim Chen	xor	T1, y1		# y1 = (a>>39) ^ (a>>34) ^ (a>>28)	# S0
392*5663535bSTim Chen	mov	a, T1		# T1 = a                                # MAJB
393*5663535bSTim Chen	and	c, T1		# T1 = a&c                              # MAJB
394*5663535bSTim Chen	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
395*5663535bSTim Chen
396*5663535bSTim Chen	add	y1, h		# h = k + w + h + S0                    # --
397*5663535bSTim Chen	add	y2, h		# h = k + w + h + S0 + S1 + CH = t1 + S0# --
398*5663535bSTim Chen	add	y3, h		# h = t1 + S0 + MAJ                     # --
399*5663535bSTim Chen
400*5663535bSTim Chen	RotateState
401*5663535bSTim Chen
402*5663535bSTim Chen	rotate_Ys
403*5663535bSTim Chen.endm
404*5663535bSTim Chen
405*5663535bSTim Chen.macro DO_4ROUNDS
406*5663535bSTim Chen
407*5663535bSTim Chen################################### RND N + 0 #########################################
408*5663535bSTim Chen
409*5663535bSTim Chen	mov	f, y2		# y2 = f                                # CH
410*5663535bSTim Chen	rorx	$41, e, y0	# y0 = e >> 41				# S1A
411*5663535bSTim Chen	rorx	$18, e, y1	# y1 = e >> 18				# S1B
412*5663535bSTim Chen	xor	g, y2		# y2 = f^g                              # CH
413*5663535bSTim Chen
414*5663535bSTim Chen	xor	y1, y0		# y0 = (e>>41) ^ (e>>18)		# S1
415*5663535bSTim Chen	rorx	$14, e, y1	# y1 = (e >> 14)			# S1
416*5663535bSTim Chen	and	e, y2		# y2 = (f^g)&e                          # CH
417*5663535bSTim Chen
418*5663535bSTim Chen	xor	y1, y0		# y0 = (e>>41) ^ (e>>18) ^ (e>>14)	# S1
419*5663535bSTim Chen	rorx	$34, a, T1	# T1 = a >> 34				# S0B
420*5663535bSTim Chen	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
421*5663535bSTim Chen	rorx	$39, a, y1	# y1 = a >> 39				# S0A
422*5663535bSTim Chen	mov	a, y3		# y3 = a                                # MAJA
423*5663535bSTim Chen
424*5663535bSTim Chen	xor	T1, y1		# y1 = (a>>39) ^ (a>>34)		# S0
425*5663535bSTim Chen	rorx	$28, a, T1	# T1 = (a >> 28)			# S0
426*5663535bSTim Chen	add	frame_XFER(%rsp), h		# h = k + w + h         # --
427*5663535bSTim Chen	or	c, y3		# y3 = a|c                              # MAJA
428*5663535bSTim Chen
429*5663535bSTim Chen	xor	T1, y1		# y1 = (a>>39) ^ (a>>34) ^ (a>>28)	# S0
430*5663535bSTim Chen	mov	a, T1		# T1 = a                                # MAJB
431*5663535bSTim Chen	and	b, y3		# y3 = (a|c)&b                          # MAJA
432*5663535bSTim Chen	and	c, T1		# T1 = a&c                              # MAJB
433*5663535bSTim Chen	add	y0, y2		# y2 = S1 + CH                          # --
434*5663535bSTim Chen
435*5663535bSTim Chen	add	h, d		# d = k + w + h + d                     # --
436*5663535bSTim Chen	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
437*5663535bSTim Chen	add	y1, h		# h = k + w + h + S0                    # --
438*5663535bSTim Chen
439*5663535bSTim Chen	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
440*5663535bSTim Chen
441*5663535bSTim Chen	RotateState
442*5663535bSTim Chen
443*5663535bSTim Chen################################### RND N + 1 #########################################
444*5663535bSTim Chen
445*5663535bSTim Chen	add	y2, old_h	# h = k + w + h + S0 + S1 + CH = t1 + S0# --
446*5663535bSTim Chen	mov	f, y2		# y2 = f                                # CH
447*5663535bSTim Chen	rorx	$41, e, y0	# y0 = e >> 41				# S1A
448*5663535bSTim Chen	rorx	$18, e, y1	# y1 = e >> 18				# S1B
449*5663535bSTim Chen	xor	g, y2		# y2 = f^g                              # CH
450*5663535bSTim Chen
451*5663535bSTim Chen	xor	y1, y0		# y0 = (e>>41) ^ (e>>18)		# S1
452*5663535bSTim Chen	rorx	$14, e, y1	# y1 = (e >> 14)			# S1
453*5663535bSTim Chen	and	e, y2		# y2 = (f^g)&e                          # CH
454*5663535bSTim Chen	add	y3, old_h	# h = t1 + S0 + MAJ                     # --
455*5663535bSTim Chen
456*5663535bSTim Chen	xor	y1, y0		# y0 = (e>>41) ^ (e>>18) ^ (e>>14)	# S1
457*5663535bSTim Chen	rorx	$34, a, T1	# T1 = a >> 34				# S0B
458*5663535bSTim Chen	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
459*5663535bSTim Chen	rorx	$39, a, y1	# y1 = a >> 39				# S0A
460*5663535bSTim Chen	mov	a, y3		# y3 = a                                # MAJA
461*5663535bSTim Chen
462*5663535bSTim Chen	xor	T1, y1		# y1 = (a>>39) ^ (a>>34)		# S0
463*5663535bSTim Chen	rorx	$28, a, T1	# T1 = (a >> 28)			# S0
464*5663535bSTim Chen	add	8*1+frame_XFER(%rsp), h		# h = k + w + h         # --
465*5663535bSTim Chen	or	c, y3		# y3 = a|c                              # MAJA
466*5663535bSTim Chen
467*5663535bSTim Chen	xor	T1, y1		# y1 = (a>>39) ^ (a>>34) ^ (a>>28)	# S0
468*5663535bSTim Chen	mov	a, T1		# T1 = a                                # MAJB
469*5663535bSTim Chen	and	b, y3		# y3 = (a|c)&b                          # MAJA
470*5663535bSTim Chen	and	c, T1		# T1 = a&c                              # MAJB
471*5663535bSTim Chen	add	y0, y2		# y2 = S1 + CH                          # --
472*5663535bSTim Chen
473*5663535bSTim Chen	add	h, d		# d = k + w + h + d                     # --
474*5663535bSTim Chen	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
475*5663535bSTim Chen	add	y1, h		# h = k + w + h + S0                    # --
476*5663535bSTim Chen
477*5663535bSTim Chen	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
478*5663535bSTim Chen
479*5663535bSTim Chen	RotateState
480*5663535bSTim Chen
481*5663535bSTim Chen################################### RND N + 2 #########################################
482*5663535bSTim Chen
483*5663535bSTim Chen	add	y2, old_h	# h = k + w + h + S0 + S1 + CH = t1 + S0# --
484*5663535bSTim Chen	mov	f, y2		# y2 = f                                # CH
485*5663535bSTim Chen	rorx	$41, e, y0	# y0 = e >> 41				# S1A
486*5663535bSTim Chen	rorx	$18, e, y1	# y1 = e >> 18				# S1B
487*5663535bSTim Chen	xor	g, y2		# y2 = f^g                              # CH
488*5663535bSTim Chen
489*5663535bSTim Chen	xor	y1, y0		# y0 = (e>>41) ^ (e>>18)		# S1
490*5663535bSTim Chen	rorx	$14, e, y1	# y1 = (e >> 14)			# S1
491*5663535bSTim Chen	and	e, y2		# y2 = (f^g)&e                          # CH
492*5663535bSTim Chen	add	y3, old_h	# h = t1 + S0 + MAJ                     # --
493*5663535bSTim Chen
494*5663535bSTim Chen	xor	y1, y0		# y0 = (e>>41) ^ (e>>18) ^ (e>>14)	# S1
495*5663535bSTim Chen	rorx	$34, a, T1	# T1 = a >> 34				# S0B
496*5663535bSTim Chen	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
497*5663535bSTim Chen	rorx	$39, a, y1	# y1 = a >> 39				# S0A
498*5663535bSTim Chen	mov	a, y3		# y3 = a                                # MAJA
499*5663535bSTim Chen
500*5663535bSTim Chen	xor	T1, y1		# y1 = (a>>39) ^ (a>>34)		# S0
501*5663535bSTim Chen	rorx	$28, a, T1	# T1 = (a >> 28)			# S0
502*5663535bSTim Chen	add	8*2+frame_XFER(%rsp), h		# h = k + w + h         # --
503*5663535bSTim Chen	or	c, y3		# y3 = a|c                              # MAJA
504*5663535bSTim Chen
505*5663535bSTim Chen	xor	T1, y1		# y1 = (a>>39) ^ (a>>34) ^ (a>>28)	# S0
506*5663535bSTim Chen	mov	a, T1		# T1 = a                                # MAJB
507*5663535bSTim Chen	and	b, y3		# y3 = (a|c)&b                          # MAJA
508*5663535bSTim Chen	and	c, T1		# T1 = a&c                              # MAJB
509*5663535bSTim Chen	add	y0, y2		# y2 = S1 + CH                          # --
510*5663535bSTim Chen
511*5663535bSTim Chen	add	h, d		# d = k + w + h + d                     # --
512*5663535bSTim Chen	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
513*5663535bSTim Chen	add	y1, h		# h = k + w + h + S0                    # --
514*5663535bSTim Chen
515*5663535bSTim Chen	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
516*5663535bSTim Chen
517*5663535bSTim Chen	RotateState
518*5663535bSTim Chen
519*5663535bSTim Chen################################### RND N + 3 #########################################
520*5663535bSTim Chen
521*5663535bSTim Chen	add	y2, old_h	# h = k + w + h + S0 + S1 + CH = t1 + S0# --
522*5663535bSTim Chen	mov	f, y2		# y2 = f                                # CH
523*5663535bSTim Chen	rorx	$41, e, y0	# y0 = e >> 41				# S1A
524*5663535bSTim Chen	rorx	$18, e, y1	# y1 = e >> 18				# S1B
525*5663535bSTim Chen	xor	g, y2		# y2 = f^g                              # CH
526*5663535bSTim Chen
527*5663535bSTim Chen	xor	y1, y0		# y0 = (e>>41) ^ (e>>18)		# S1
528*5663535bSTim Chen	rorx	$14, e, y1	# y1 = (e >> 14)			# S1
529*5663535bSTim Chen	and	e, y2		# y2 = (f^g)&e                          # CH
530*5663535bSTim Chen	add	y3, old_h	# h = t1 + S0 + MAJ                     # --
531*5663535bSTim Chen
532*5663535bSTim Chen	xor	y1, y0		# y0 = (e>>41) ^ (e>>18) ^ (e>>14)	# S1
533*5663535bSTim Chen	rorx	$34, a, T1	# T1 = a >> 34				# S0B
534*5663535bSTim Chen	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
535*5663535bSTim Chen	rorx	$39, a, y1	# y1 = a >> 39				# S0A
536*5663535bSTim Chen	mov	a, y3		# y3 = a                                # MAJA
537*5663535bSTim Chen
538*5663535bSTim Chen	xor	T1, y1		# y1 = (a>>39) ^ (a>>34)		# S0
539*5663535bSTim Chen	rorx	$28, a, T1	# T1 = (a >> 28)			# S0
540*5663535bSTim Chen	add	8*3+frame_XFER(%rsp), h		# h = k + w + h         # --
541*5663535bSTim Chen	or	c, y3		# y3 = a|c                              # MAJA
542*5663535bSTim Chen
543*5663535bSTim Chen	xor	T1, y1		# y1 = (a>>39) ^ (a>>34) ^ (a>>28)	# S0
544*5663535bSTim Chen	mov	a, T1		# T1 = a                                # MAJB
545*5663535bSTim Chen	and	b, y3		# y3 = (a|c)&b                          # MAJA
546*5663535bSTim Chen	and	c, T1		# T1 = a&c                              # MAJB
547*5663535bSTim Chen	add	y0, y2		# y2 = S1 + CH                          # --
548*5663535bSTim Chen
549*5663535bSTim Chen
550*5663535bSTim Chen	add	h, d		# d = k + w + h + d                     # --
551*5663535bSTim Chen	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
552*5663535bSTim Chen	add	y1, h		# h = k + w + h + S0                    # --
553*5663535bSTim Chen
554*5663535bSTim Chen	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
555*5663535bSTim Chen
556*5663535bSTim Chen	add	y2, h		# h = k + w + h + S0 + S1 + CH = t1 + S0# --
557*5663535bSTim Chen
558*5663535bSTim Chen	add	y3, h		# h = t1 + S0 + MAJ                     # --
559*5663535bSTim Chen
560*5663535bSTim Chen	RotateState
561*5663535bSTim Chen
562*5663535bSTim Chen.endm
563*5663535bSTim Chen
564*5663535bSTim Chen########################################################################
565*5663535bSTim Chen# void sha512_transform_rorx(const void* M, void* D, uint64_t L)#
566*5663535bSTim Chen# Purpose: Updates the SHA512 digest stored at D with the message stored in M.
567*5663535bSTim Chen# The size of the message pointed to by M must be an integer multiple of SHA512
568*5663535bSTim Chen#   message blocks.
569*5663535bSTim Chen# L is the message length in SHA512 blocks
570*5663535bSTim Chen########################################################################
571*5663535bSTim ChenENTRY(sha512_transform_rorx)
572*5663535bSTim Chen	# Allocate Stack Space
573*5663535bSTim Chen	mov	%rsp, %rax
574*5663535bSTim Chen	sub	$frame_size, %rsp
575*5663535bSTim Chen	and	$~(0x20 - 1), %rsp
576*5663535bSTim Chen	mov	%rax, frame_RSPSAVE(%rsp)
577*5663535bSTim Chen
578*5663535bSTim Chen	# Save GPRs
579*5663535bSTim Chen	mov	%rbp, frame_GPRSAVE(%rsp)
580*5663535bSTim Chen	mov	%rbx, 8*1+frame_GPRSAVE(%rsp)
581*5663535bSTim Chen	mov	%r12, 8*2+frame_GPRSAVE(%rsp)
582*5663535bSTim Chen	mov	%r13, 8*3+frame_GPRSAVE(%rsp)
583*5663535bSTim Chen	mov	%r14, 8*4+frame_GPRSAVE(%rsp)
584*5663535bSTim Chen	mov	%r15, 8*5+frame_GPRSAVE(%rsp)
585*5663535bSTim Chen
586*5663535bSTim Chen	shl	$7, NUM_BLKS	# convert to bytes
587*5663535bSTim Chen	jz	done_hash
588*5663535bSTim Chen	add	INP, NUM_BLKS	# pointer to end of data
589*5663535bSTim Chen	mov	NUM_BLKS, frame_INPEND(%rsp)
590*5663535bSTim Chen
591*5663535bSTim Chen	## load initial digest
592*5663535bSTim Chen	mov	8*0(CTX),a
593*5663535bSTim Chen	mov	8*1(CTX),b
594*5663535bSTim Chen	mov	8*2(CTX),c
595*5663535bSTim Chen	mov	8*3(CTX),d
596*5663535bSTim Chen	mov	8*4(CTX),e
597*5663535bSTim Chen	mov	8*5(CTX),f
598*5663535bSTim Chen	mov	8*6(CTX),g
599*5663535bSTim Chen	mov	8*7(CTX),h
600*5663535bSTim Chen
601*5663535bSTim Chen	vmovdqa	PSHUFFLE_BYTE_FLIP_MASK(%rip), BYTE_FLIP_MASK
602*5663535bSTim Chen
603*5663535bSTim Chenloop0:
604*5663535bSTim Chen	lea	K512(%rip), TBL
605*5663535bSTim Chen
606*5663535bSTim Chen	## byte swap first 16 dwords
607*5663535bSTim Chen	COPY_YMM_AND_BSWAP	Y_0, (INP), BYTE_FLIP_MASK
608*5663535bSTim Chen	COPY_YMM_AND_BSWAP	Y_1, 1*32(INP), BYTE_FLIP_MASK
609*5663535bSTim Chen	COPY_YMM_AND_BSWAP	Y_2, 2*32(INP), BYTE_FLIP_MASK
610*5663535bSTim Chen	COPY_YMM_AND_BSWAP	Y_3, 3*32(INP), BYTE_FLIP_MASK
611*5663535bSTim Chen
612*5663535bSTim Chen	mov	INP, frame_INP(%rsp)
613*5663535bSTim Chen
614*5663535bSTim Chen	## schedule 64 input dwords, by doing 12 rounds of 4 each
615*5663535bSTim Chen	movq	$4, frame_SRND(%rsp)
616*5663535bSTim Chen
617*5663535bSTim Chen.align 16
618*5663535bSTim Chenloop1:
619*5663535bSTim Chen	vpaddq	(TBL), Y_0, XFER
620*5663535bSTim Chen	vmovdqa XFER, frame_XFER(%rsp)
621*5663535bSTim Chen	FOUR_ROUNDS_AND_SCHED
622*5663535bSTim Chen
623*5663535bSTim Chen	vpaddq	1*32(TBL), Y_0, XFER
624*5663535bSTim Chen	vmovdqa XFER, frame_XFER(%rsp)
625*5663535bSTim Chen	FOUR_ROUNDS_AND_SCHED
626*5663535bSTim Chen
627*5663535bSTim Chen	vpaddq	2*32(TBL), Y_0, XFER
628*5663535bSTim Chen	vmovdqa XFER, frame_XFER(%rsp)
629*5663535bSTim Chen	FOUR_ROUNDS_AND_SCHED
630*5663535bSTim Chen
631*5663535bSTim Chen	vpaddq	3*32(TBL), Y_0, XFER
632*5663535bSTim Chen	vmovdqa XFER, frame_XFER(%rsp)
633*5663535bSTim Chen	add	$(4*32), TBL
634*5663535bSTim Chen	FOUR_ROUNDS_AND_SCHED
635*5663535bSTim Chen
636*5663535bSTim Chen	subq	$1, frame_SRND(%rsp)
637*5663535bSTim Chen	jne	loop1
638*5663535bSTim Chen
639*5663535bSTim Chen	movq	$2, frame_SRND(%rsp)
640*5663535bSTim Chenloop2:
641*5663535bSTim Chen	vpaddq	(TBL), Y_0, XFER
642*5663535bSTim Chen	vmovdqa XFER, frame_XFER(%rsp)
643*5663535bSTim Chen	DO_4ROUNDS
644*5663535bSTim Chen	vpaddq	1*32(TBL), Y_1, XFER
645*5663535bSTim Chen	vmovdqa XFER, frame_XFER(%rsp)
646*5663535bSTim Chen	add	$(2*32), TBL
647*5663535bSTim Chen	DO_4ROUNDS
648*5663535bSTim Chen
649*5663535bSTim Chen	vmovdqa	Y_2, Y_0
650*5663535bSTim Chen	vmovdqa	Y_3, Y_1
651*5663535bSTim Chen
652*5663535bSTim Chen	subq	$1, frame_SRND(%rsp)
653*5663535bSTim Chen	jne	loop2
654*5663535bSTim Chen
655*5663535bSTim Chen	addm	8*0(CTX),a
656*5663535bSTim Chen	addm	8*1(CTX),b
657*5663535bSTim Chen	addm	8*2(CTX),c
658*5663535bSTim Chen	addm	8*3(CTX),d
659*5663535bSTim Chen	addm	8*4(CTX),e
660*5663535bSTim Chen	addm	8*5(CTX),f
661*5663535bSTim Chen	addm	8*6(CTX),g
662*5663535bSTim Chen	addm	8*7(CTX),h
663*5663535bSTim Chen
664*5663535bSTim Chen	mov	frame_INP(%rsp), INP
665*5663535bSTim Chen	add	$128, INP
666*5663535bSTim Chen	cmp	frame_INPEND(%rsp), INP
667*5663535bSTim Chen	jne	loop0
668*5663535bSTim Chen
669*5663535bSTim Chendone_hash:
670*5663535bSTim Chen
671*5663535bSTim Chen# Restore GPRs
672*5663535bSTim Chen	mov	frame_GPRSAVE(%rsp)     ,%rbp
673*5663535bSTim Chen	mov	8*1+frame_GPRSAVE(%rsp) ,%rbx
674*5663535bSTim Chen	mov	8*2+frame_GPRSAVE(%rsp) ,%r12
675*5663535bSTim Chen	mov	8*3+frame_GPRSAVE(%rsp) ,%r13
676*5663535bSTim Chen	mov	8*4+frame_GPRSAVE(%rsp) ,%r14
677*5663535bSTim Chen	mov	8*5+frame_GPRSAVE(%rsp) ,%r15
678*5663535bSTim Chen
679*5663535bSTim Chen	# Restore Stack Pointer
680*5663535bSTim Chen	mov	frame_RSPSAVE(%rsp), %rsp
681*5663535bSTim Chen	ret
682*5663535bSTim ChenENDPROC(sha512_transform_rorx)
683*5663535bSTim Chen
684*5663535bSTim Chen########################################################################
685*5663535bSTim Chen### Binary Data
686*5663535bSTim Chen
687*5663535bSTim Chen.data
688*5663535bSTim Chen
689*5663535bSTim Chen.align 64
690*5663535bSTim Chen# K[t] used in SHA512 hashing
691*5663535bSTim ChenK512:
692*5663535bSTim Chen	.quad	0x428a2f98d728ae22,0x7137449123ef65cd
693*5663535bSTim Chen	.quad	0xb5c0fbcfec4d3b2f,0xe9b5dba58189dbbc
694*5663535bSTim Chen	.quad	0x3956c25bf348b538,0x59f111f1b605d019
695*5663535bSTim Chen	.quad	0x923f82a4af194f9b,0xab1c5ed5da6d8118
696*5663535bSTim Chen	.quad	0xd807aa98a3030242,0x12835b0145706fbe
697*5663535bSTim Chen	.quad	0x243185be4ee4b28c,0x550c7dc3d5ffb4e2
698*5663535bSTim Chen	.quad	0x72be5d74f27b896f,0x80deb1fe3b1696b1
699*5663535bSTim Chen	.quad	0x9bdc06a725c71235,0xc19bf174cf692694
700*5663535bSTim Chen	.quad	0xe49b69c19ef14ad2,0xefbe4786384f25e3
701*5663535bSTim Chen	.quad	0x0fc19dc68b8cd5b5,0x240ca1cc77ac9c65
702*5663535bSTim Chen	.quad	0x2de92c6f592b0275,0x4a7484aa6ea6e483
703*5663535bSTim Chen	.quad	0x5cb0a9dcbd41fbd4,0x76f988da831153b5
704*5663535bSTim Chen	.quad	0x983e5152ee66dfab,0xa831c66d2db43210
705*5663535bSTim Chen	.quad	0xb00327c898fb213f,0xbf597fc7beef0ee4
706*5663535bSTim Chen	.quad	0xc6e00bf33da88fc2,0xd5a79147930aa725
707*5663535bSTim Chen	.quad	0x06ca6351e003826f,0x142929670a0e6e70
708*5663535bSTim Chen	.quad	0x27b70a8546d22ffc,0x2e1b21385c26c926
709*5663535bSTim Chen	.quad	0x4d2c6dfc5ac42aed,0x53380d139d95b3df
710*5663535bSTim Chen	.quad	0x650a73548baf63de,0x766a0abb3c77b2a8
711*5663535bSTim Chen	.quad	0x81c2c92e47edaee6,0x92722c851482353b
712*5663535bSTim Chen	.quad	0xa2bfe8a14cf10364,0xa81a664bbc423001
713*5663535bSTim Chen	.quad	0xc24b8b70d0f89791,0xc76c51a30654be30
714*5663535bSTim Chen	.quad	0xd192e819d6ef5218,0xd69906245565a910
715*5663535bSTim Chen	.quad	0xf40e35855771202a,0x106aa07032bbd1b8
716*5663535bSTim Chen	.quad	0x19a4c116b8d2d0c8,0x1e376c085141ab53
717*5663535bSTim Chen	.quad	0x2748774cdf8eeb99,0x34b0bcb5e19b48a8
718*5663535bSTim Chen	.quad	0x391c0cb3c5c95a63,0x4ed8aa4ae3418acb
719*5663535bSTim Chen	.quad	0x5b9cca4f7763e373,0x682e6ff3d6b2b8a3
720*5663535bSTim Chen	.quad	0x748f82ee5defb2fc,0x78a5636f43172f60
721*5663535bSTim Chen	.quad	0x84c87814a1f0ab72,0x8cc702081a6439ec
722*5663535bSTim Chen	.quad	0x90befffa23631e28,0xa4506cebde82bde9
723*5663535bSTim Chen	.quad	0xbef9a3f7b2c67915,0xc67178f2e372532b
724*5663535bSTim Chen	.quad	0xca273eceea26619c,0xd186b8c721c0c207
725*5663535bSTim Chen	.quad	0xeada7dd6cde0eb1e,0xf57d4f7fee6ed178
726*5663535bSTim Chen	.quad	0x06f067aa72176fba,0x0a637dc5a2c898a6
727*5663535bSTim Chen	.quad	0x113f9804bef90dae,0x1b710b35131c471b
728*5663535bSTim Chen	.quad	0x28db77f523047d84,0x32caab7b40c72493
729*5663535bSTim Chen	.quad	0x3c9ebe0a15c9bebc,0x431d67c49c100d4c
730*5663535bSTim Chen	.quad	0x4cc5d4becb3e42b6,0x597f299cfc657e2a
731*5663535bSTim Chen	.quad	0x5fcb6fab3ad6faec,0x6c44198c4a475817
732*5663535bSTim Chen
733*5663535bSTim Chen.align 32
734*5663535bSTim Chen
735*5663535bSTim Chen# Mask for byte-swapping a couple of qwords in an XMM register using (v)pshufb.
736*5663535bSTim ChenPSHUFFLE_BYTE_FLIP_MASK:
737*5663535bSTim Chen	.octa 0x08090a0b0c0d0e0f0001020304050607
738*5663535bSTim Chen	.octa 0x18191a1b1c1d1e1f1011121314151617
739*5663535bSTim Chen
740*5663535bSTim ChenMASK_YMM_LO:
741*5663535bSTim Chen	.octa 0x00000000000000000000000000000000
742*5663535bSTim Chen	.octa 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
743*5663535bSTim Chen#endif
744