powerpc/crypto/aes-spe-core.S

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
14 #include "aes-spe-regs.h"
17 	rlwimi		rT0,in,28-((bpos+3)%4)*8,20,27;
20 	rlwimi		rT1,in,24-((bpos+3)%4)*8,24,31;
41 	LBZ(out, rT0, 8)
44 	LBZ(out, rT0, 8)		/* load enc byte		*/
56  * via bl/blr. It expects that caller has pre-xored input data with first
57  * 4 words of encryption key into rD0-rD3. Pointer/counter registers must
58  * have also been set up before (rT0, rKP, CTR). Output is stored in rD0-rD3
59  * and rW0-rW3 and caller must execute a final xor on the output registers.
60  * All working registers rD0-rD3 & rW0-rW7 are overwritten during processing.
65 	LAH(rW6, rD0, 3, 0)
66 	LAH(rW3, rD0, 1, 8)
71 	LAH(rW2, rD2, 1, 8)
72 	LAL(rW2, rD3, 1, 8)
73 	LAL(rW3, rD1, 1, 8)
75 	LAL(rW6, rD1, 3, 0)
78 	LAH(rW7, rD2, 3, 0)
80 	EAD(rD3, 3)
94 	EAD(rD0, 3)
100 	LWH(rW3, 8)
104 	LAH(rW2, rD2, 1, 8)
105 	LAL(rW2, rD3, 1, 8)
106 	LAL(rW3, rD1, 1, 8)
108 	LAL(rW6, rD1, 3, 0)
111 	LAH(rW7, rD2, 3, 0)
113 	EAD(rD3, 3)
127 	EAD(rD0, 3)
133 	LWH(rW3, 8)
139 	LAH(rW2, rD2, 1, 8)
140 	LAL(rW2, rD3, 1, 8)
141 	LAL(rW3, rD1, 1, 8)
144 	LAL(rW6, rD1, 3, 0)
146 	LAH(rW7, rD2, 3, 0)
148 	EAD(rD3, 3)
175 	rlwimi		rW0,rW4,8,16,23
176 	rlwimi		rW1,rW5,8,16,23
179 	rlwimi		rW2,rW6,8,16,23
180 	rlwimi		rW3,rW7,8,16,23
183 	rlwimi		rW0,rW4,16,8,15
184 	rlwimi		rW1,rW5,16,8,15
185 	LAE(rW4, rD0, 3)
186 	LAE(rW5, rD1, 3)
187 	rlwimi		rW2,rW6,16,8,15
189 	rlwimi		rW3,rW7,16,8,15
191 	LAE(rW6, rD2, 3)
192 	LAE(rW7, rD3, 3)
204  * via bl/blr. It expects that caller has pre-xored input data with first
205  * 4 words of encryption key into rD0-rD3. Pointer/counter registers must
206  * have also been set up before (rT0, rKP, CTR). Output is stored in rD0-rD3
207  * and rW0-rW3 and caller must execute a final xor on the output registers.
208  * All working registers rD0-rD3 & rW0-rW7 are overwritten during processing.
213 	LAH(rW6, rD0, 3, 0)
214 	LAH(rW3, rD0, 1, 8)
218 	LAH(rW2, rD2, 1, 8)
219 	LAL(rW2, rD3, 1, 8)
222 	LAL(rW6, rD1, 3, 0)
224 	LAH(rW7, rD2, 3, 0)
225 	LAL(rW7, rD3, 3, 0)
226 	LAL(rW3, rD1, 1, 8)
242 	EAD(rD0, 3)
248 	LWH(rW3, 8)
251 	LAH(rW2, rD2, 1, 8)
252 	LAL(rW2, rD3, 1, 8)
255 	LAL(rW6, rD1, 3, 0)
257 	LAH(rW7, rD2, 3, 0)
258 	LAL(rW7, rD3, 3, 0)
259 	LAL(rW3, rD1, 1, 8)
275 	EAD(rD0, 3)
281 	LWH(rW3, 8)
286 	LAH(rW2, rD2, 1, 8)
287 	LAL(rW2, rD3, 1, 8)
290 	LAL(rW6, rD1, 3, 0)
292 	LAH(rW7, rD2, 3, 0)
293 	LAL(rW7, rD3, 3, 0)
294 	LAL(rW3, rD1, 1, 8)
322 	rlwimi		rW0,rW4,8,16,23
323 	rlwimi		rW1,rW5,8,16,23
326 	rlwimi		rW2,rW6,8,16,23
327 	rlwimi		rW3,rW7,8,16,23
330 	rlwimi		rW0,rW4,16,8,15
331 	rlwimi		rW1,rW5,16,8,15
332 	LAD(rW4, rD0, 3)
333 	LAD(rW5, rD1, 3)
334 	rlwimi		rW2,rW6,16,8,15
336 	rlwimi		rW3,rW7,16,8,15
338 	LAD(rW6, rD2, 3)
339 	LAD(rW7, rD3, 3)