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.
66 	LAH(rW3, rD0, 1, 8)
68 	LAH(rW0, rD3, 0, 12)
69 	LAL(rW0, rD0, 0, 12)
70 	LAH(rW1, rD1, 0, 12)
71 	LAH(rW2, rD2, 1, 8)
72 	LAL(rW2, rD3, 1, 8)
73 	LAL(rW3, rD1, 1, 8)
86 	LWL(rW1, 12)
100 	LWH(rW3, 8)
101 	LAH(rW0, rD3, 0, 12)
102 	LAL(rW0, rD0, 0, 12)
103 	LAH(rW1, rD1, 0, 12)
104 	LAH(rW2, rD2, 1, 8)
105 	LAL(rW2, rD3, 1, 8)
106 	LAL(rW3, rD1, 1, 8)
119 	LWL(rW1, 12)
133 	LWH(rW3, 8)
136 	LAH(rW0, rD3, 0, 12)
137 	LAL(rW0, rD0, 0, 12)
138 	LAH(rW1, rD1, 0, 12)
139 	LAH(rW2, rD2, 1, 8)
140 	LAL(rW2, rD3, 1, 8)
141 	LAL(rW3, rD1, 1, 8)
154 	LWL(rW1, 12)
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
187 	rlwimi		rW2,rW6,16,8,15
189 	rlwimi		rW3,rW7,16,8,15
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.
212 	LAH(rW0, rD1, 0, 12)
214 	LAH(rW3, rD0, 1, 8)
216 	LAH(rW1, rD3, 0, 12)
217 	LAL(rW0, rD2, 0, 12)
218 	LAH(rW2, rD2, 1, 8)
219 	LAL(rW2, rD3, 1, 8)
226 	LAL(rW3, rD1, 1, 8)
230 	LWL(rW1, 12)
240 	LWH(rW0, 12)
248 	LWH(rW3, 8)
249 	LAH(rW1, rD3, 0, 12)
250 	LAL(rW0, rD2, 0, 12)
251 	LAH(rW2, rD2, 1, 8)
252 	LAL(rW2, rD3, 1, 8)
259 	LAL(rW3, rD1, 1, 8)
263 	LWL(rW1, 12)
273 	LWH(rW0, 12)
281 	LWH(rW3, 8)
284 	LAH(rW1, rD3, 0, 12)
285 	LAL(rW0, rD2, 0, 12)
286 	LAH(rW2, rD2, 1, 8)
287 	LAL(rW2, rD3, 1, 8)
294 	LAL(rW3, rD1, 1, 8)
298 	LWL(rW1, 12)
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
334 	rlwimi		rW2,rW6,16,8,15
336 	rlwimi		rW3,rW7,16,8,15