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.
64 	LAH(rW4, rD1, 2, 4)
66 	LAH(rW3, rD0, 1, 8)
71 	LAH(rW2, rD2, 1, 8)
72 	LAL(rW2, rD3, 1, 8)
73 	LAL(rW3, rD1, 1, 8)
74 	LAL(rW4, rD2, 2, 4)
76 	LAH(rW5, rD3, 2, 4)
77 	LAL(rW5, rD0, 2, 4)
90 	EAD(rD1, 2)
100 	LWH(rW3, 8)
104 	LAH(rW2, rD2, 1, 8)
105 	LAL(rW2, rD3, 1, 8)
106 	LAL(rW3, rD1, 1, 8)
107 	LAL(rW4, rD2, 2, 4)
109 	LAH(rW5, rD3, 2, 4)
110 	LAL(rW5, rD0, 2, 4)
123 	EAD(rD1, 2)
133 	LWH(rW3, 8)
139 	LAH(rW2, rD2, 1, 8)
140 	LAL(rW2, rD3, 1, 8)
141 	LAL(rW3, rD1, 1, 8)
142 	LAL(rW4, rD2, 2, 4)
143 	LAH(rW5, rD3, 2, 4)
145 	LAL(rW5, rD0, 2, 4)
175 	rlwimi		rW0,rW4,8,16,23
176 	rlwimi		rW1,rW5,8,16,23
177 	LAE(rW4, rD1, 2)
178 	LAE(rW5, rD2, 2)
179 	rlwimi		rW2,rW6,8,16,23
180 	rlwimi		rW3,rW7,8,16,23
181 	LAE(rW6, rD3, 2)
182 	LAE(rW7, rD0, 2)
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.
214 	LAH(rW3, rD0, 1, 8)
218 	LAH(rW2, rD2, 1, 8)
219 	LAL(rW2, rD3, 1, 8)
220 	LAH(rW4, rD3, 2, 4)
221 	LAL(rW4, rD0, 2, 4)
223 	LAH(rW5, rD1, 2, 4)
226 	LAL(rW3, rD1, 1, 8)
232 	EAD(rD2, 2)
248 	LWH(rW3, 8)
251 	LAH(rW2, rD2, 1, 8)
252 	LAL(rW2, rD3, 1, 8)
253 	LAH(rW4, rD3, 2, 4)
254 	LAL(rW4, rD0, 2, 4)
256 	LAH(rW5, rD1, 2, 4)
259 	LAL(rW3, rD1, 1, 8)
265 	EAD(rD2, 2)
281 	LWH(rW3, 8)
286 	LAH(rW2, rD2, 1, 8)
287 	LAL(rW2, rD3, 1, 8)
288 	LAH(rW4, rD3, 2, 4)
289 	LAL(rW4, rD0, 2, 4)
291 	LAH(rW5, rD1, 2, 4)
294 	LAL(rW3, rD1, 1, 8)
300 	EAD(rD2, 2)
322 	rlwimi		rW0,rW4,8,16,23
323 	rlwimi		rW1,rW5,8,16,23
324 	LAD(rW4, rD3, 2)
325 	LAD(rW5, rD0, 2)
326 	rlwimi		rW2,rW6,8,16,23
327 	rlwimi		rW3,rW7,8,16,23
328 	LAD(rW6, rD1, 2)
329 	LAD(rW7, rD2, 2)
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