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gerrit-public.fairphone.software / kernel / msm-4.9 / 9f0a433ce69d63ae2c45ef801b9b1d8967165350 / . / arch / powerpc / lib / crtsavres.S
blob: b2c68ce139aecbc6819ff8f6493dde59c749fa7e [file] [log] [blame]
Kumar Galada3de6d2008-06-13 07:20:58 +1000[diff] [blame]1/*
2 * Special support for eabi and SVR4
3 *
4 * Copyright (C) 1995, 1996, 1998, 2000, 2001 Free Software Foundation, Inc.
5 * Copyright 2008 Freescale Semiconductor, Inc.
6 * Written By Michael Meissner
7 *
8 * Based on gcc/config/rs6000/crtsavres.asm from gcc
Stephen Rothwell7fca5dc2010-06-29 20:08:42 +0000[diff] [blame]9 * 64 bit additions from reading the PPC elf64abi document.
Kumar Galada3de6d2008-06-13 07:20:58 +1000[diff] [blame]10 *
11 * This file is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2, or (at your option) any
14 * later version.
15 *
16 * In addition to the permissions in the GNU General Public License, the
17 * Free Software Foundation gives you unlimited permission to link the
18 * compiled version of this file with other programs, and to distribute
19 * those programs without any restriction coming from the use of this
20 * file. (The General Public License restrictions do apply in other
21 * respects; for example, they cover modification of the file, and
22 * distribution when not linked into another program.)
23 *
24 * This file is distributed in the hope that it will be useful, but
25 * WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27 * General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program; see the file COPYING. If not, write to
31 * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
32 * Boston, MA 02110-1301, USA.
33 *
34 * As a special exception, if you link this library with files
35 * compiled with GCC to produce an executable, this does not cause
36 * the resulting executable to be covered by the GNU General Public License.
37 * This exception does not however invalidate any other reasons why
38 * the executable file might be covered by the GNU General Public License.
39 */
40
41#include <asm/ppc_asm.h>
42
43 .file "crtsavres.S"
Kumar Galada3de6d2008-06-13 07:20:58 +1000[diff] [blame]44
45#ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
46
Stephen Rothwell7fca5dc2010-06-29 20:08:42 +0000[diff] [blame]47#ifndef CONFIG_PPC64
48
Stephen Rothwell1d5a4362012-07-05 21:09:40 +0000[diff] [blame]49 .section ".text"
50
Kumar Galada3de6d2008-06-13 07:20:58 +1000[diff] [blame]51/* Routines for saving integer registers, called by the compiler. */
52/* Called with r11 pointing to the stack header word of the caller of the */
53/* function, just beyond the end of the integer save area. */
54
55_GLOBAL(_savegpr_14)
56_GLOBAL(_save32gpr_14)
57 stw 14,-72(11) /* save gp registers */
58_GLOBAL(_savegpr_15)
59_GLOBAL(_save32gpr_15)
60 stw 15,-68(11)
61_GLOBAL(_savegpr_16)
62_GLOBAL(_save32gpr_16)
63 stw 16,-64(11)
64_GLOBAL(_savegpr_17)
65_GLOBAL(_save32gpr_17)
66 stw 17,-60(11)
67_GLOBAL(_savegpr_18)
68_GLOBAL(_save32gpr_18)
69 stw 18,-56(11)
70_GLOBAL(_savegpr_19)
71_GLOBAL(_save32gpr_19)
72 stw 19,-52(11)
73_GLOBAL(_savegpr_20)
74_GLOBAL(_save32gpr_20)
75 stw 20,-48(11)
76_GLOBAL(_savegpr_21)
77_GLOBAL(_save32gpr_21)
78 stw 21,-44(11)
79_GLOBAL(_savegpr_22)
80_GLOBAL(_save32gpr_22)
81 stw 22,-40(11)
82_GLOBAL(_savegpr_23)
83_GLOBAL(_save32gpr_23)
84 stw 23,-36(11)
85_GLOBAL(_savegpr_24)
86_GLOBAL(_save32gpr_24)
87 stw 24,-32(11)
88_GLOBAL(_savegpr_25)
89_GLOBAL(_save32gpr_25)
90 stw 25,-28(11)
91_GLOBAL(_savegpr_26)
92_GLOBAL(_save32gpr_26)
93 stw 26,-24(11)
94_GLOBAL(_savegpr_27)
95_GLOBAL(_save32gpr_27)
96 stw 27,-20(11)
97_GLOBAL(_savegpr_28)
98_GLOBAL(_save32gpr_28)
99 stw 28,-16(11)
100_GLOBAL(_savegpr_29)
101_GLOBAL(_save32gpr_29)
102 stw 29,-12(11)
103_GLOBAL(_savegpr_30)
104_GLOBAL(_save32gpr_30)
105 stw 30,-8(11)
106_GLOBAL(_savegpr_31)
107_GLOBAL(_save32gpr_31)
108 stw 31,-4(11)
109 blr
110
111/* Routines for restoring integer registers, called by the compiler. */
112/* Called with r11 pointing to the stack header word of the caller of the */
113/* function, just beyond the end of the integer restore area. */
114
115_GLOBAL(_restgpr_14)
116_GLOBAL(_rest32gpr_14)
117 lwz 14,-72(11) /* restore gp registers */
118_GLOBAL(_restgpr_15)
119_GLOBAL(_rest32gpr_15)
120 lwz 15,-68(11)
121_GLOBAL(_restgpr_16)
122_GLOBAL(_rest32gpr_16)
123 lwz 16,-64(11)
124_GLOBAL(_restgpr_17)
125_GLOBAL(_rest32gpr_17)
126 lwz 17,-60(11)
127_GLOBAL(_restgpr_18)
128_GLOBAL(_rest32gpr_18)
129 lwz 18,-56(11)
130_GLOBAL(_restgpr_19)
131_GLOBAL(_rest32gpr_19)
132 lwz 19,-52(11)
133_GLOBAL(_restgpr_20)
134_GLOBAL(_rest32gpr_20)
135 lwz 20,-48(11)
136_GLOBAL(_restgpr_21)
137_GLOBAL(_rest32gpr_21)
138 lwz 21,-44(11)
139_GLOBAL(_restgpr_22)
140_GLOBAL(_rest32gpr_22)
141 lwz 22,-40(11)
142_GLOBAL(_restgpr_23)
143_GLOBAL(_rest32gpr_23)
144 lwz 23,-36(11)
145_GLOBAL(_restgpr_24)
146_GLOBAL(_rest32gpr_24)
147 lwz 24,-32(11)
148_GLOBAL(_restgpr_25)
149_GLOBAL(_rest32gpr_25)
150 lwz 25,-28(11)
151_GLOBAL(_restgpr_26)
152_GLOBAL(_rest32gpr_26)
153 lwz 26,-24(11)
154_GLOBAL(_restgpr_27)
155_GLOBAL(_rest32gpr_27)
156 lwz 27,-20(11)
157_GLOBAL(_restgpr_28)
158_GLOBAL(_rest32gpr_28)
159 lwz 28,-16(11)
160_GLOBAL(_restgpr_29)
161_GLOBAL(_rest32gpr_29)
162 lwz 29,-12(11)
163_GLOBAL(_restgpr_30)
164_GLOBAL(_rest32gpr_30)
165 lwz 30,-8(11)
166_GLOBAL(_restgpr_31)
167_GLOBAL(_rest32gpr_31)
168 lwz 31,-4(11)
169 blr
170
171/* Routines for restoring integer registers, called by the compiler. */
172/* Called with r11 pointing to the stack header word of the caller of the */
173/* function, just beyond the end of the integer restore area. */
174
175_GLOBAL(_restgpr_14_x)
176_GLOBAL(_rest32gpr_14_x)
177 lwz 14,-72(11) /* restore gp registers */
178_GLOBAL(_restgpr_15_x)
179_GLOBAL(_rest32gpr_15_x)
180 lwz 15,-68(11)
181_GLOBAL(_restgpr_16_x)
182_GLOBAL(_rest32gpr_16_x)
183 lwz 16,-64(11)
184_GLOBAL(_restgpr_17_x)
185_GLOBAL(_rest32gpr_17_x)
186 lwz 17,-60(11)
187_GLOBAL(_restgpr_18_x)
188_GLOBAL(_rest32gpr_18_x)
189 lwz 18,-56(11)
190_GLOBAL(_restgpr_19_x)
191_GLOBAL(_rest32gpr_19_x)
192 lwz 19,-52(11)
193_GLOBAL(_restgpr_20_x)
194_GLOBAL(_rest32gpr_20_x)
195 lwz 20,-48(11)
196_GLOBAL(_restgpr_21_x)
197_GLOBAL(_rest32gpr_21_x)
198 lwz 21,-44(11)
199_GLOBAL(_restgpr_22_x)
200_GLOBAL(_rest32gpr_22_x)
201 lwz 22,-40(11)
202_GLOBAL(_restgpr_23_x)
203_GLOBAL(_rest32gpr_23_x)
204 lwz 23,-36(11)
205_GLOBAL(_restgpr_24_x)
206_GLOBAL(_rest32gpr_24_x)
207 lwz 24,-32(11)
208_GLOBAL(_restgpr_25_x)
209_GLOBAL(_rest32gpr_25_x)
210 lwz 25,-28(11)
211_GLOBAL(_restgpr_26_x)
212_GLOBAL(_rest32gpr_26_x)
213 lwz 26,-24(11)
214_GLOBAL(_restgpr_27_x)
215_GLOBAL(_rest32gpr_27_x)
216 lwz 27,-20(11)
217_GLOBAL(_restgpr_28_x)
218_GLOBAL(_rest32gpr_28_x)
219 lwz 28,-16(11)
220_GLOBAL(_restgpr_29_x)
221_GLOBAL(_rest32gpr_29_x)
222 lwz 29,-12(11)
223_GLOBAL(_restgpr_30_x)
224_GLOBAL(_rest32gpr_30_x)
225 lwz 30,-8(11)
226_GLOBAL(_restgpr_31_x)
227_GLOBAL(_rest32gpr_31_x)
228 lwz 0,4(11)
229 lwz 31,-4(11)
230 mtlr 0
231 mr 1,11
232 blr
Stephen Rothwell7fca5dc2010-06-29 20:08:42 +0000[diff] [blame]233
234#else /* CONFIG_PPC64 */
235
Stephen Rothwell1d5a4362012-07-05 21:09:40 +0000[diff] [blame]236 .section ".text.save.restore","ax",@progbits
237
Stephen Rothwell7fca5dc2010-06-29 20:08:42 +0000[diff] [blame]238.globl _savegpr0_14
239_savegpr0_14:
240 std r14,-144(r1)
241.globl _savegpr0_15
242_savegpr0_15:
243 std r15,-136(r1)
244.globl _savegpr0_16
245_savegpr0_16:
246 std r16,-128(r1)
247.globl _savegpr0_17
248_savegpr0_17:
249 std r17,-120(r1)
250.globl _savegpr0_18
251_savegpr0_18:
252 std r18,-112(r1)
253.globl _savegpr0_19
254_savegpr0_19:
255 std r19,-104(r1)
256.globl _savegpr0_20
257_savegpr0_20:
258 std r20,-96(r1)
259.globl _savegpr0_21
260_savegpr0_21:
261 std r21,-88(r1)
262.globl _savegpr0_22
263_savegpr0_22:
264 std r22,-80(r1)
265.globl _savegpr0_23
266_savegpr0_23:
267 std r23,-72(r1)
268.globl _savegpr0_24
269_savegpr0_24:
270 std r24,-64(r1)
271.globl _savegpr0_25
272_savegpr0_25:
273 std r25,-56(r1)
274.globl _savegpr0_26
275_savegpr0_26:
276 std r26,-48(r1)
277.globl _savegpr0_27
278_savegpr0_27:
279 std r27,-40(r1)
280.globl _savegpr0_28
281_savegpr0_28:
282 std r28,-32(r1)
283.globl _savegpr0_29
284_savegpr0_29:
285 std r29,-24(r1)
286.globl _savegpr0_30
287_savegpr0_30:
288 std r30,-16(r1)
289.globl _savegpr0_31
290_savegpr0_31:
291 std r31,-8(r1)
292 std r0,16(r1)
293 blr
294
295.globl _restgpr0_14
296_restgpr0_14:
297 ld r14,-144(r1)
298.globl _restgpr0_15
299_restgpr0_15:
300 ld r15,-136(r1)
301.globl _restgpr0_16
302_restgpr0_16:
303 ld r16,-128(r1)
304.globl _restgpr0_17
305_restgpr0_17:
306 ld r17,-120(r1)
307.globl _restgpr0_18
308_restgpr0_18:
309 ld r18,-112(r1)
310.globl _restgpr0_19
311_restgpr0_19:
312 ld r19,-104(r1)
313.globl _restgpr0_20
314_restgpr0_20:
315 ld r20,-96(r1)
316.globl _restgpr0_21
317_restgpr0_21:
318 ld r21,-88(r1)
319.globl _restgpr0_22
320_restgpr0_22:
321 ld r22,-80(r1)
322.globl _restgpr0_23
323_restgpr0_23:
324 ld r23,-72(r1)
325.globl _restgpr0_24
326_restgpr0_24:
327 ld r24,-64(r1)
328.globl _restgpr0_25
329_restgpr0_25:
330 ld r25,-56(r1)
331.globl _restgpr0_26
332_restgpr0_26:
333 ld r26,-48(r1)
334.globl _restgpr0_27
335_restgpr0_27:
336 ld r27,-40(r1)
337.globl _restgpr0_28
338_restgpr0_28:
339 ld r28,-32(r1)
340.globl _restgpr0_29
341_restgpr0_29:
342 ld r0,16(r1)
343 ld r29,-24(r1)
344 mtlr r0
345 ld r30,-16(r1)
346 ld r31,-8(r1)
347 blr
348
349.globl _restgpr0_30
350_restgpr0_30:
351 ld r30,-16(r1)
352.globl _restgpr0_31
353_restgpr0_31:
354 ld r0,16(r1)
355 ld r31,-8(r1)
356 mtlr r0
357 blr
358
359#endif /* CONFIG_PPC64 */
360
Kumar Galada3de6d2008-06-13 07:20:58 +1000[diff] [blame]361#endif