xref: /OK3568_Linux_fs/u-boot/post/lib_powerpc/asm.S (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun/*
2*4882a593Smuzhiyun *  Copyright (C) 2002 Wolfgang Denk <wd@denx.de>
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * SPDX-License-Identifier:	GPL-2.0+
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun#include <config.h>
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun#include <post.h>
10*4882a593Smuzhiyun#include <ppc_asm.tmpl>
11*4882a593Smuzhiyun#include <ppc_defs.h>
12*4882a593Smuzhiyun#include <asm/cache.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun#if CONFIG_POST & CONFIG_SYS_POST_CPU
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun/* void cpu_post_exec_02 (ulong *code, ulong op1, ulong op2); */
17*4882a593Smuzhiyun	.global	cpu_post_exec_02
18*4882a593Smuzhiyuncpu_post_exec_02:
19*4882a593Smuzhiyun	isync
20*4882a593Smuzhiyun	mflr	r0
21*4882a593Smuzhiyun	stwu	r0, -4(r1)
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun	subi	r1, r1, 104
24*4882a593Smuzhiyun	stmw	r6, 0(r1)
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun	mtlr	r3
27*4882a593Smuzhiyun	mr	r3, r4
28*4882a593Smuzhiyun	mr	r4, r5
29*4882a593Smuzhiyun	blrl
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun	lmw	r6, 0(r1)
32*4882a593Smuzhiyun	addi	r1, r1, 104
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun	lwz	r0, 0(r1)
35*4882a593Smuzhiyun	addi	r1, r1, 4
36*4882a593Smuzhiyun	mtlr	r0
37*4882a593Smuzhiyun	blr
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun/* void cpu_post_exec_04 (ulong *code, ulong op1, ulong op2, ulong op3, ulong op4); */
40*4882a593Smuzhiyun	.global	cpu_post_exec_04
41*4882a593Smuzhiyuncpu_post_exec_04:
42*4882a593Smuzhiyun	isync
43*4882a593Smuzhiyun	mflr	r0
44*4882a593Smuzhiyun	stwu	r0, -4(r1)
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun	subi	r1, r1, 96
47*4882a593Smuzhiyun	stmw	r8, 0(r1)
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun	mtlr	r3
50*4882a593Smuzhiyun	mr	r3, r4
51*4882a593Smuzhiyun	mr	r4, r5
52*4882a593Smuzhiyun	mr	r5, r6
53*4882a593Smuzhiyun	mtxer	r7
54*4882a593Smuzhiyun	blrl
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun	lmw	r8, 0(r1)
57*4882a593Smuzhiyun	addi	r1, r1, 96
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun	lwz	r0, 0(r1)
60*4882a593Smuzhiyun	addi	r1, r1, 4
61*4882a593Smuzhiyun	mtlr	r0
62*4882a593Smuzhiyun	blr
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun/* void cpu_post_exec_12 (ulong *code, ulong *res, ulong op1, ulong op2); */
65*4882a593Smuzhiyun	.global	cpu_post_exec_12
66*4882a593Smuzhiyuncpu_post_exec_12:
67*4882a593Smuzhiyun	isync
68*4882a593Smuzhiyun	mflr	r0
69*4882a593Smuzhiyun	stwu	r0, -4(r1)
70*4882a593Smuzhiyun	stwu	r4, -4(r1)
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun	mtlr	r3
73*4882a593Smuzhiyun	mr	r3, r5
74*4882a593Smuzhiyun	mr	r4, r6
75*4882a593Smuzhiyun	blrl
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun	lwz	r4, 0(r1)
78*4882a593Smuzhiyun	stw	r3, 0(r4)
79*4882a593Smuzhiyun
80*4882a593Smuzhiyun	lwz	r0, 4(r1)
81*4882a593Smuzhiyun	addi	r1, r1, 8
82*4882a593Smuzhiyun	mtlr	r0
83*4882a593Smuzhiyun	blr
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun/* void cpu_post_exec_11 (ulong *code, ulong *res, ulong op1); */
86*4882a593Smuzhiyun	.global	cpu_post_exec_11
87*4882a593Smuzhiyuncpu_post_exec_11:
88*4882a593Smuzhiyun	isync
89*4882a593Smuzhiyun	mflr	r0
90*4882a593Smuzhiyun	stwu	r0, -4(r1)
91*4882a593Smuzhiyun	stwu	r4, -4(r1)
92*4882a593Smuzhiyun
93*4882a593Smuzhiyun	mtlr	r3
94*4882a593Smuzhiyun	mr	r3, r5
95*4882a593Smuzhiyun	blrl
96*4882a593Smuzhiyun
97*4882a593Smuzhiyun	lwz	r4, 0(r1)
98*4882a593Smuzhiyun	stw	r3, 0(r4)
99*4882a593Smuzhiyun
100*4882a593Smuzhiyun	lwz	r0, 4(r1)
101*4882a593Smuzhiyun	addi	r1, r1, 8
102*4882a593Smuzhiyun	mtlr	r0
103*4882a593Smuzhiyun	blr
104*4882a593Smuzhiyun
105*4882a593Smuzhiyun/* void cpu_post_exec_21 (ulong *code, ulong *cr, ulong *res, ulong op1); */
106*4882a593Smuzhiyun	.global	cpu_post_exec_21
107*4882a593Smuzhiyuncpu_post_exec_21:
108*4882a593Smuzhiyun	isync
109*4882a593Smuzhiyun	mflr	r0
110*4882a593Smuzhiyun	stwu	r0, -4(r1)
111*4882a593Smuzhiyun	stwu	r4, -4(r1)
112*4882a593Smuzhiyun	stwu	r5, -4(r1)
113*4882a593Smuzhiyun
114*4882a593Smuzhiyun	li	r0, 0
115*4882a593Smuzhiyun	mtxer	r0
116*4882a593Smuzhiyun	lwz	r0, 0(r4)
117*4882a593Smuzhiyun	mtcr	r0
118*4882a593Smuzhiyun
119*4882a593Smuzhiyun	mtlr	r3
120*4882a593Smuzhiyun	mr	r3, r6
121*4882a593Smuzhiyun	blrl
122*4882a593Smuzhiyun
123*4882a593Smuzhiyun	mfcr	r0
124*4882a593Smuzhiyun	lwz	r4, 4(r1)
125*4882a593Smuzhiyun	stw	r0, 0(r4)
126*4882a593Smuzhiyun	lwz	r4, 0(r1)
127*4882a593Smuzhiyun	stw	r3, 0(r4)
128*4882a593Smuzhiyun
129*4882a593Smuzhiyun	lwz	r0, 8(r1)
130*4882a593Smuzhiyun	addi	r1, r1, 12
131*4882a593Smuzhiyun	mtlr	r0
132*4882a593Smuzhiyun	blr
133*4882a593Smuzhiyun
134*4882a593Smuzhiyun/* void cpu_post_exec_22 (ulong *code, ulong *cr, ulong *res, ulong op1,
135*4882a593Smuzhiyun    ulong op2); */
136*4882a593Smuzhiyun	.global	cpu_post_exec_22
137*4882a593Smuzhiyuncpu_post_exec_22:
138*4882a593Smuzhiyun	isync
139*4882a593Smuzhiyun	mflr	r0
140*4882a593Smuzhiyun	stwu	r0, -4(r1)
141*4882a593Smuzhiyun	stwu	r4, -4(r1)
142*4882a593Smuzhiyun	stwu	r5, -4(r1)
143*4882a593Smuzhiyun
144*4882a593Smuzhiyun	li	r0, 0
145*4882a593Smuzhiyun	mtxer	r0
146*4882a593Smuzhiyun	lwz	r0, 0(r4)
147*4882a593Smuzhiyun	mtcr	r0
148*4882a593Smuzhiyun
149*4882a593Smuzhiyun	mtlr	r3
150*4882a593Smuzhiyun	mr	r3, r6
151*4882a593Smuzhiyun	mr	r4, r7
152*4882a593Smuzhiyun	blrl
153*4882a593Smuzhiyun
154*4882a593Smuzhiyun	mfcr	r0
155*4882a593Smuzhiyun	lwz	r4, 4(r1)
156*4882a593Smuzhiyun	stw	r0, 0(r4)
157*4882a593Smuzhiyun	lwz	r4, 0(r1)
158*4882a593Smuzhiyun	stw	r3, 0(r4)
159*4882a593Smuzhiyun
160*4882a593Smuzhiyun	lwz	r0, 8(r1)
161*4882a593Smuzhiyun	addi	r1, r1, 12
162*4882a593Smuzhiyun	mtlr	r0
163*4882a593Smuzhiyun	blr
164*4882a593Smuzhiyun
165*4882a593Smuzhiyun/* void cpu_post_exec_12w (ulong *code, ulong *op1, ulong op2, ulong op3); */
166*4882a593Smuzhiyun	.global	cpu_post_exec_12w
167*4882a593Smuzhiyuncpu_post_exec_12w:
168*4882a593Smuzhiyun	isync
169*4882a593Smuzhiyun	mflr	r0
170*4882a593Smuzhiyun	stwu	r0, -4(r1)
171*4882a593Smuzhiyun	stwu	r4, -4(r1)
172*4882a593Smuzhiyun
173*4882a593Smuzhiyun	mtlr	r3
174*4882a593Smuzhiyun	lwz	r3, 0(r4)
175*4882a593Smuzhiyun	mr	r4, r5
176*4882a593Smuzhiyun	mr	r5, r6
177*4882a593Smuzhiyun	blrl
178*4882a593Smuzhiyun
179*4882a593Smuzhiyun	lwz	r4, 0(r1)
180*4882a593Smuzhiyun	stw	r3, 0(r4)
181*4882a593Smuzhiyun
182*4882a593Smuzhiyun	lwz	r0, 4(r1)
183*4882a593Smuzhiyun	addi	r1, r1, 8
184*4882a593Smuzhiyun	mtlr	r0
185*4882a593Smuzhiyun	blr
186*4882a593Smuzhiyun
187*4882a593Smuzhiyun/* void cpu_post_exec_11w (ulong *code, ulong *op1, ulong op2); */
188*4882a593Smuzhiyun	.global	cpu_post_exec_11w
189*4882a593Smuzhiyuncpu_post_exec_11w:
190*4882a593Smuzhiyun	isync
191*4882a593Smuzhiyun	mflr	r0
192*4882a593Smuzhiyun	stwu	r0, -4(r1)
193*4882a593Smuzhiyun	stwu	r4, -4(r1)
194*4882a593Smuzhiyun
195*4882a593Smuzhiyun	mtlr	r3
196*4882a593Smuzhiyun	lwz	r3, 0(r4)
197*4882a593Smuzhiyun	mr	r4, r5
198*4882a593Smuzhiyun	blrl
199*4882a593Smuzhiyun
200*4882a593Smuzhiyun	lwz	r4, 0(r1)
201*4882a593Smuzhiyun	stw	r3, 0(r4)
202*4882a593Smuzhiyun
203*4882a593Smuzhiyun	lwz	r0, 4(r1)
204*4882a593Smuzhiyun	addi	r1, r1, 8
205*4882a593Smuzhiyun	mtlr	r0
206*4882a593Smuzhiyun	blr
207*4882a593Smuzhiyun
208*4882a593Smuzhiyun/* void cpu_post_exec_22w (ulong *code, ulong *op1, ulong op2, ulong *op3); */
209*4882a593Smuzhiyun	.global	cpu_post_exec_22w
210*4882a593Smuzhiyuncpu_post_exec_22w:
211*4882a593Smuzhiyun	isync
212*4882a593Smuzhiyun	mflr	r0
213*4882a593Smuzhiyun	stwu	r0, -4(r1)
214*4882a593Smuzhiyun	stwu	r4, -4(r1)
215*4882a593Smuzhiyun	stwu	r6, -4(r1)
216*4882a593Smuzhiyun
217*4882a593Smuzhiyun	mtlr	r3
218*4882a593Smuzhiyun	lwz	r3, 0(r4)
219*4882a593Smuzhiyun	mr	r4, r5
220*4882a593Smuzhiyun	blrl
221*4882a593Smuzhiyun
222*4882a593Smuzhiyun	lwz	r4, 4(r1)
223*4882a593Smuzhiyun	stw	r3, 0(r4)
224*4882a593Smuzhiyun	lwz	r4, 0(r1)
225*4882a593Smuzhiyun	stw	r5, 0(r4)
226*4882a593Smuzhiyun
227*4882a593Smuzhiyun	lwz	r0, 8(r1)
228*4882a593Smuzhiyun	addi	r1, r1, 12
229*4882a593Smuzhiyun	mtlr	r0
230*4882a593Smuzhiyun	blr
231*4882a593Smuzhiyun
232*4882a593Smuzhiyun/* void cpu_post_exec_21w (ulong *code, ulong *op1, ulong *op2); */
233*4882a593Smuzhiyun	.global	cpu_post_exec_21w
234*4882a593Smuzhiyuncpu_post_exec_21w:
235*4882a593Smuzhiyun	isync
236*4882a593Smuzhiyun	mflr	r0
237*4882a593Smuzhiyun	stwu	r0, -4(r1)
238*4882a593Smuzhiyun	stwu	r4, -4(r1)
239*4882a593Smuzhiyun	stwu	r5, -4(r1)
240*4882a593Smuzhiyun
241*4882a593Smuzhiyun	mtlr	r3
242*4882a593Smuzhiyun	lwz	r3, 0(r4)
243*4882a593Smuzhiyun	blrl
244*4882a593Smuzhiyun
245*4882a593Smuzhiyun	lwz	r5, 4(r1)
246*4882a593Smuzhiyun	stw	r3, 0(r5)
247*4882a593Smuzhiyun	lwz	r5, 0(r1)
248*4882a593Smuzhiyun	stw	r4, 0(r5)
249*4882a593Smuzhiyun
250*4882a593Smuzhiyun	lwz	r0, 8(r1)
251*4882a593Smuzhiyun	addi	r1, r1, 12
252*4882a593Smuzhiyun	mtlr	r0
253*4882a593Smuzhiyun	blr
254*4882a593Smuzhiyun
255*4882a593Smuzhiyun/* void cpu_post_exec_21x (ulong *code, ulong *op1, ulong *op2, ulong op3); */
256*4882a593Smuzhiyun	.global	cpu_post_exec_21x
257*4882a593Smuzhiyuncpu_post_exec_21x:
258*4882a593Smuzhiyun	isync
259*4882a593Smuzhiyun	mflr	r0
260*4882a593Smuzhiyun	stwu	r0, -4(r1)
261*4882a593Smuzhiyun	stwu	r4, -4(r1)
262*4882a593Smuzhiyun	stwu	r5, -4(r1)
263*4882a593Smuzhiyun
264*4882a593Smuzhiyun	mtlr	r3
265*4882a593Smuzhiyun	mr	r3, r6
266*4882a593Smuzhiyun	blrl
267*4882a593Smuzhiyun
268*4882a593Smuzhiyun	lwz	r5, 4(r1)
269*4882a593Smuzhiyun	stw	r3, 0(r5)
270*4882a593Smuzhiyun	lwz	r5, 0(r1)
271*4882a593Smuzhiyun	stw	r4, 0(r5)
272*4882a593Smuzhiyun
273*4882a593Smuzhiyun	lwz	r0, 8(r1)
274*4882a593Smuzhiyun	addi	r1, r1, 12
275*4882a593Smuzhiyun	mtlr	r0
276*4882a593Smuzhiyun	blr
277*4882a593Smuzhiyun
278*4882a593Smuzhiyun/* void cpu_post_exec_31 (ulong *code, ulong *ctr, ulong *lr, ulong *jump,
279*4882a593Smuzhiyun    ulong cr); */
280*4882a593Smuzhiyun	.global	cpu_post_exec_31
281*4882a593Smuzhiyuncpu_post_exec_31:
282*4882a593Smuzhiyun	isync
283*4882a593Smuzhiyun	mflr	r0
284*4882a593Smuzhiyun	stwu	r0, -4(r1)
285*4882a593Smuzhiyun	stwu	r4, -4(r1)
286*4882a593Smuzhiyun	stwu	r5, -4(r1)
287*4882a593Smuzhiyun	stwu	r6, -4(r1)
288*4882a593Smuzhiyun
289*4882a593Smuzhiyun	mtlr	r3
290*4882a593Smuzhiyun	lwz	r3, 0(r4)
291*4882a593Smuzhiyun	lwz	r4, 0(r5)
292*4882a593Smuzhiyun	mr	r6, r7
293*4882a593Smuzhiyun
294*4882a593Smuzhiyun	mfcr	r7
295*4882a593Smuzhiyun	blrl
296*4882a593Smuzhiyun	mtcr	r7
297*4882a593Smuzhiyun
298*4882a593Smuzhiyun	lwz	r7, 8(r1)
299*4882a593Smuzhiyun	stw	r3, 0(r7)
300*4882a593Smuzhiyun	lwz	r7, 4(r1)
301*4882a593Smuzhiyun	stw	r4, 0(r7)
302*4882a593Smuzhiyun	lwz	r7, 0(r1)
303*4882a593Smuzhiyun	stw	r5, 0(r7)
304*4882a593Smuzhiyun
305*4882a593Smuzhiyun	lwz	r0, 12(r1)
306*4882a593Smuzhiyun	addi	r1, r1, 16
307*4882a593Smuzhiyun	mtlr	r0
308*4882a593Smuzhiyun	blr
309*4882a593Smuzhiyun
310*4882a593Smuzhiyun/* int cpu_post_complex_1_asm (int a1, int a2, int a3, int a4, int n); */
311*4882a593Smuzhiyun	.global	cpu_post_complex_1_asm
312*4882a593Smuzhiyuncpu_post_complex_1_asm:
313*4882a593Smuzhiyun	li	r9,0
314*4882a593Smuzhiyun	cmpw	r9,r7
315*4882a593Smuzhiyun	bge	cpu_post_complex_1_done
316*4882a593Smuzhiyun	mtctr	r7
317*4882a593Smuzhiyuncpu_post_complex_1_loop:
318*4882a593Smuzhiyun	mullw	r0,r3,r4
319*4882a593Smuzhiyun	subf	r0,r5,r0
320*4882a593Smuzhiyun	divw	r0,r0,r6
321*4882a593Smuzhiyun	add	r9,r9,r0
322*4882a593Smuzhiyun	bdnz	cpu_post_complex_1_loop
323*4882a593Smuzhiyuncpu_post_complex_1_done:
324*4882a593Smuzhiyun	mr	r3,r9
325*4882a593Smuzhiyun	blr
326*4882a593Smuzhiyun
327*4882a593Smuzhiyun/* int cpu_post_complex_2_asm (int x, int n); */
328*4882a593Smuzhiyun	.global	cpu_post_complex_2_asm
329*4882a593Smuzhiyuncpu_post_complex_2_asm:
330*4882a593Smuzhiyun	mr.	r0,r4
331*4882a593Smuzhiyun	mtctr	r0
332*4882a593Smuzhiyun	mr	r0,r3
333*4882a593Smuzhiyun	li	r3,1
334*4882a593Smuzhiyun	li	r4,1
335*4882a593Smuzhiyun	blelr
336*4882a593Smuzhiyuncpu_post_complex_2_loop:
337*4882a593Smuzhiyun	mullw	r3,r3,r0
338*4882a593Smuzhiyun	add	r3,r3,r4
339*4882a593Smuzhiyun	bdnz	cpu_post_complex_2_loop
340*4882a593Smuzhiyunblr
341*4882a593Smuzhiyun
342*4882a593Smuzhiyun#endif
343