1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
|
/*
* ffb_asm.s: Fast Creator raster op inner loops.
*
* Copyright (C) 1999 David S. Miller (davem@redhat.com)
* Copyright (C) 1999 Jakub Jelinek (jakub@redhat.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* JAKUB JELINEK OR DAVID MILLER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
/* $XFree86$ */
/* Hardware register offsets */
#define FFB_BY 0x0060
#define FFB_DY 0x0068
#define FFB_BH 0x0070
#define FFB_PPC 0x0200
#define FFB_DRAWOP 0x0300
#define FFB_UCSR 0x0900
#define FFB_DRAWOP_VSCROLL 0x0b
#define FIFO_CACHE 0x00
#define BOX_X1 0x00
#define BOX_Y1 0x02
#define BOX_X2 0x04
#define BOX_Y2 0x06
#define POINT_X 0x00
#define POINT_Y 0x02
#define RECT_X 0x00
#define RECT_Y 0x02
#define RECT_W 0x04
#define RECT_H 0x06
#define SEG_X1 0x00
#define SEG_Y1 0x02
#define SEG_X2 0x04
#define SEG_Y2 0x06
.text
.align 32
.globl FFB_STIPPLE_LOAD
/* %o0 = &ffbregs->pattern[0]
* %o1 = &stipple->bits[0]
*/
FFB_STIPPLE_LOAD:
cmp %g0, 0
1: ldx [%o1 + 0x00], %g1
ldx [%o1 + 0x08], %g2
ldx [%o1 + 0x10], %g3
ldx [%o1 + 0x18], %g4
add %o0, 0x40, %o0
ldx [%o1 + 0x20], %g5
ldx [%o1 + 0x28], %o2
ldx [%o1 + 0x30], %o3
ldx [%o1 + 0x38], %o4
stx %g1, [%o0 - 0x40]
stx %g2, [%o0 - 0x38]
stx %g3, [%o0 - 0x30]
stx %g4, [%o0 - 0x28]
add %o1, 0x40, %o1
stx %g5, [%o0 - 0x20]
stx %o2, [%o0 - 0x18]
stx %o3, [%o0 - 0x10]
stx %o4, [%o0 - 0x08]
be,pt %icc, 1b
cmp %g0, 1
retl
nop
#define FIFO_WAIT(ffbregs, goal, this_label, done_label) \
this_label: \
lduw [ffbregs + FFB_UCSR], %g1; \
and %g1, 0xfff, %g1; \
subcc %g1, (4 + goal), %g1; \
bge,pt %icc, done_label; \
nop; \
ba,a,pt %xcc, this_label
.align 32
.globl FFB_PPT_BOX_LOOP
/* This is only used (currently) by vscroll, so we put
* the creator hwbug workaround in here (writing
* the drawop each iteration).
*
* %o0 = ffbpriv, %o1 = ffbregs,
* %o2 = pbox, %o3 = pbox_last, %o4 = ppt
*/
FFB_PPT_BOX_LOOP:
lduh [%o0 + FIFO_CACHE], %g1 /* Load Group */
sethi %hi(FFB_DRAWOP), %g2 /* IEU0 */
cmp %o2, %o3 /* IEU1 */
bgu,pn %icc, 2f /* CTI */
or %g2,%lo(FFB_DRAWOP),%g2 /* IEU0 Group */
1: lduh [%o4 + POINT_X], %g3 /* Load Group */
lduh [%o4 + POINT_Y], %g4 /* Load Group */
lduh [%o2 + BOX_Y2], %g5 /* Load Group */
lduh [%o2 + BOX_Y1], %o5 /* Load Group */
sllx %g4, 32, %g4 /* IEU0 */
or %g3, %g4, %g3 /* IEU0 Group */
sub %g5, %o5, %g5 /* IEU1 */
sllx %o5, 32, %g4 /* IEU0 Group */
sllx %g5, 32, %g5 /* IEU0 Group */
lduh [%o2 + BOX_X2], %o5 /* Load */
add %o4, 0x4, %o4 /* IEU1 */
lduh [%o2 + BOX_X1], %g7 /* Load Group */
add %o2, 0x8, %o2 /* IEU0 */
sub %o5, %g7, %o5 /* IEU0 Group */
or %g4, %g7, %g4 /* IEU1 */
or %g5, %o5, %g5 /* IEU0 Group */
subcc %g1, 7, %g1 /* IEU1 */
bl,pn %icc, FFB_PPT_BOX_WAIT /* CTI */
9: cmp %o2, %o3 /* IEU1 Group */
/* This works around BUG ID 1189858 -DaveM */
mov FFB_DRAWOP_VSCROLL, %o5 /* IEU0 */
stw %o5, [%o1 + %g2] /* STORE */
stx %g3, [%o1 + FFB_BY] /* STORE Group */
stx %g4, [%o1 + FFB_DY] /* STORE Group */
bleu,pt %icc, 1b /* CTI */
stx %g5, [%o1 + FFB_BH] /* STORE Group */
2: retl /* CTI Group */
sth %g1, [%o0 + FIFO_CACHE] /* STORE */
FIFO_WAIT(%o1, 7, FFB_PPT_BOX_WAIT, 9b)
.align 32
.globl FFB_BOX_LOOP
/* %o0 = ffbpriv, %o1 = ffbregs,
* %o2 = pbox, %o3 = pbox_last
*/
FFB_BOX_LOOP:
lduh [%o0 + FIFO_CACHE], %g1 /* Load Group */
cmp %o2, %o3 /* IEU0 */
bgu,pn %icc, 2f /* CTI */
nop /* IEU0 Group */
1: lduw [%o2 + BOX_X1], %g4 /* Load Group */
lduw [%o2 + BOX_X2], %g3 /* Load Group */
sllx %g4, 32, %o5 /* IEU0 */
srl %g4, 16, %g7 /* IEU0 Group */
add %o2, 8, %o2 /* IEU1 */
sllx %g3, 32, %g5 /* IEU0 Group */
subcc %g1, 4, %g1 /* IEU1 */
srl %g3, 16, %o4 /* IEU0 Group */
or %o5, %g7, %o5 /* IEU1 */
or %g5, %o4, %g5 /* IEU0 Group */
bl,pn %icc, FFB_BOX_WAIT /* CTI */
sub %g5, %o5, %g5 /* IEU0 Group */
9: cmp %o2, %o3 /* IEU1 */
stx %o5, [%o1 + FFB_BY] /* Store */
bleu,pt %icc, 1b /* CTI Group */
stx %g5, [%o1 + FFB_BH] /* Store */
2: retl /* CTI Group */
sth %g1, [%o0 + FIFO_CACHE] /* Store */
FIFO_WAIT(%o1, 4, FFB_BOX_WAIT, 9b)
.align 32
.globl FFB_RECT_LOOP
/* %o0 = ffbpriv, %o1 = ffbregs,
* %o2 = prect, %o3 = prect_last,
* %o4 = xOrg, %o5 = yOrg
*/
FFB_RECT_LOOP:
lduh [%o0 + FIFO_CACHE], %g1 /* Load Group */
sllx %o5, 32, %o5 /* IEU0 */
cmp %o2, %o3 /* IEU1 */
bgu,pn %icc, 2f /* CTI */
or %o4, %o5, %o4 /* IEU0 Group */
1: lduh [%o2 + RECT_X], %g4 /* Load Group */
lduh [%o2 + RECT_Y], %o5 /* Load Group */
lduh [%o2 + RECT_W], %g3 /* Load Group */
lduh [%o2 + RECT_H], %g2 /* Load Group */
sllx %o5, 32, %g7 /* IEU0 */
add %o2, 8, %o2 /* IEU1 */
orcc %g7, %g4, %g7 /* IEU1 Group */
sllx %g2, 32, %g5 /* IEU0 */
or %g5, %g3, %g5 /* IEU0 Group */
add %g7, %o4, %g7 /* IEU1 */
subcc %g1, 4, %g1 /* IEU1 Group */
bl,pn %icc, FFB_RECT_WAIT /* CTI */
9: cmp %o2, %o3 /* IEU1 Group */
stx %g7, [%o1 + FFB_BY] /* Store */
bleu,pt %icc, 1b /* CTI */
stx %g5, [%o1 + FFB_BH] /* Store Group */
2: retl /* CTI Group */
sth %g1, [%o0 + FIFO_CACHE] /* Store */
FIFO_WAIT(%o1, 4, FFB_RECT_WAIT, 9b)
.align 32
.globl FFB_PPT_WIDTH_LOOP
/* %o0 = ffbpriv, %o1 = ffbregs,
* %o2 = ppt, %o3 = ppt_last,
* %o4 = pwidth
*/
FFB_PPT_WIDTH_LOOP:
lduh [%o0 + FIFO_CACHE], %g1 /* Load Group */
cmp %o2, %o3 /* IEU1 */
bgu,pn %icc, 2f /* CTI */
nop
8: lduw [%o2 + POINT_X], %g4 /* Load Group */
lduw [%o4], %g2 /* Load Group */
sllx %g4, 32, %g7
1: srl %g4, 16, %g5 /* IEU0 Group */
add %o2, 4, %o2 /* IEU1 */
brz,pn %g2, 8b /* CTI+IEU1 Group */
add %o4, 4, %o4 /* IEU0 */
or %g5, %g7, %g7 /* IEU0 Group */
subcc %g1, 5, %g1 /* IEU1 */
bl,pn %icc, FFB_PPT_WIDTH_WAIT/* CTI */
add %g7, %g2, %o5 /* IEU0 Group */
9: stw %g0, [%o1 + FFB_PPC] /* Store Group */
cmp %o2, %o3 /* IEU1 */
stx %g7, [%o1 + FFB_BY] /* Store Group */
bleu,pt %icc, 8b /* CTI */
stx %o5, [%o1 + FFB_BH] /* Store Group */
2: retl /* CTI Group */
sth %g1, [%o0 + FIFO_CACHE] /* Store */
FIFO_WAIT(%o1, 5, FFB_PPT_WIDTH_WAIT, 9b)
.align 32
.globl FFB_LINE_LOOP1
/* %o0 = ffbpriv, %o1 = ffbregs,
* %o2 = ppt, %o3 = ppt_last,
* %o4 = xOrg, %o5 = yOrg
*
* We return ppt_last + 1.
*/
FFB_LINE_LOOP1:
lduh [%o0 + FIFO_CACHE], %g1
sllx %o5, 32, %o5
and %o4, 0x7ff, %o4
cmp %o2, %o3
bgu,pn %icc, 2f
or %o4, %o5, %o4
1: lduw [%o2 + POINT_X], %g4
sllx %g4, 32, %g7
srl %g4, 16, %g3
add %o2, 4, %o2
or %g7, %g3, %g7
subcc %g1, 3, %g1
bl,pn %icc, FFB_LINE1_WAIT
add %g7, %o4, %g7
9: cmp %o2, %o3
stw %g0, [%o1 + FFB_PPC]
bleu,pt %icc, 1b
stx %g7, [%o1 + FFB_BH]
2: nop
sth %g1, [%o0 + FIFO_CACHE]
retl
mov %o2, %o0
FIFO_WAIT(%o1, 3, FFB_LINE1_WAIT, 9b)
.align 32
.globl FFB_LINE_LOOP2
/* %o0 = ffbpriv, %o1 = ffbregs,
* %o2 = ppt, %o3 = ppt_last,
* %o4 = &xOrg, %o5 = &yOrg
*
* We return ppt_last + 1.
* The only difference between the previous routine
* is that here we accumulate the origin values.
*/
FFB_LINE_LOOP2:
lduw [%o5], %g5
lduw [%o4], %g2
lduh [%o0 + FIFO_CACHE], %g1
sllx %g5, 32, %g5
and %g2, 0x7ff, %g2
cmp %o2, %o3
bgu,pn %icc, 2f
or %g5, %g2, %g5
1: lduw [%o2 + POINT_X], %g4
sllx %g4, 32, %g7
srl %g4, 16, %g3
add %o2, 4, %o2
or %g7, %g3, %g7
subcc %g1, 3, %g1
bl,pn %icc, FFB_LINE2_WAIT
add %g7, %g5, %g5
9: cmp %o2, %o3
stw %g0, [%o1 + FFB_PPC]
bleu,pt %icc, 1b
stx %g5, [%o1 + FFB_BH]
2: sth %g1, [%o0 + FIFO_CACHE]
srlx %g5, 32, %g4
stw %g5, [%o4]
stw %g4, [%o5]
retl
mov %o2, %o0
FIFO_WAIT(%o1, 3, FFB_LINE2_WAIT, 9b)
|
