move everything out of trunk
[lttv.git] / obsolete / ltt-usertrace / ltt / ppc_asm-ppc.h
CommitLineData
10212e41 1/*
2 * include/asm-ppc/ppc_asm.h
3 *
4 * Definitions used by various bits of low-level assembly code on PowerPC.
5 *
6 * Copyright (C) 1995-1999 Gary Thomas, Paul Mackerras, Cort Dougan.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version
11 * 2 of the License, or (at your option) any later version.
12 */
13
895ad115 14#ifndef _PPC_ASM_PPC_H
15#define _PPC_ASM_PPC_H
16
17#ifdef __cplusplus
18extern "C" {
19#endif
20
10212e41 21/*
22 * Macros for storing registers into and loading registers from
23 * exception frames.
24 */
25#define SAVE_GPR(n, base) stw n,GPR0+4*(n)(base)
26#define SAVE_2GPRS(n, base) SAVE_GPR(n, base); SAVE_GPR(n+1, base)
27#define SAVE_4GPRS(n, base) SAVE_2GPRS(n, base); SAVE_2GPRS(n+2, base)
28#define SAVE_8GPRS(n, base) SAVE_4GPRS(n, base); SAVE_4GPRS(n+4, base)
29#define SAVE_10GPRS(n, base) SAVE_8GPRS(n, base); SAVE_2GPRS(n+8, base)
30#define REST_GPR(n, base) lwz n,GPR0+4*(n)(base)
31#define REST_2GPRS(n, base) REST_GPR(n, base); REST_GPR(n+1, base)
32#define REST_4GPRS(n, base) REST_2GPRS(n, base); REST_2GPRS(n+2, base)
33#define REST_8GPRS(n, base) REST_4GPRS(n, base); REST_4GPRS(n+4, base)
34#define REST_10GPRS(n, base) REST_8GPRS(n, base); REST_2GPRS(n+8, base)
35
36#define SAVE_NVGPRS(base) SAVE_GPR(13, base); SAVE_8GPRS(14, base); \
37 SAVE_10GPRS(22, base)
38#define REST_NVGPRS(base) REST_GPR(13, base); REST_8GPRS(14, base); \
39 REST_10GPRS(22, base)
40
41#define SAVE_FPR(n, base) stfd n,THREAD_FPR0+8*(n)(base)
42#define SAVE_2FPRS(n, base) SAVE_FPR(n, base); SAVE_FPR(n+1, base)
43#define SAVE_4FPRS(n, base) SAVE_2FPRS(n, base); SAVE_2FPRS(n+2, base)
44#define SAVE_8FPRS(n, base) SAVE_4FPRS(n, base); SAVE_4FPRS(n+4, base)
45#define SAVE_16FPRS(n, base) SAVE_8FPRS(n, base); SAVE_8FPRS(n+8, base)
46#define SAVE_32FPRS(n, base) SAVE_16FPRS(n, base); SAVE_16FPRS(n+16, base)
47#define REST_FPR(n, base) lfd n,THREAD_FPR0+8*(n)(base)
48#define REST_2FPRS(n, base) REST_FPR(n, base); REST_FPR(n+1, base)
49#define REST_4FPRS(n, base) REST_2FPRS(n, base); REST_2FPRS(n+2, base)
50#define REST_8FPRS(n, base) REST_4FPRS(n, base); REST_4FPRS(n+4, base)
51#define REST_16FPRS(n, base) REST_8FPRS(n, base); REST_8FPRS(n+8, base)
52#define REST_32FPRS(n, base) REST_16FPRS(n, base); REST_16FPRS(n+16, base)
53
54#define SAVE_VR(n,b,base) li b,THREAD_VR0+(16*(n)); stvx n,b,base
55#define SAVE_2VR(n,b,base) SAVE_VR(n,b,base); SAVE_VR(n+1,b,base)
56#define SAVE_4VR(n,b,base) SAVE_2VR(n,b,base); SAVE_2VR(n+2,b,base)
57#define SAVE_8VR(n,b,base) SAVE_4VR(n,b,base); SAVE_4VR(n+4,b,base)
58#define SAVE_16VR(n,b,base) SAVE_8VR(n,b,base); SAVE_8VR(n+8,b,base)
59#define SAVE_32VR(n,b,base) SAVE_16VR(n,b,base); SAVE_16VR(n+16,b,base)
60#define REST_VR(n,b,base) li b,THREAD_VR0+(16*(n)); lvx n,b,base
61#define REST_2VR(n,b,base) REST_VR(n,b,base); REST_VR(n+1,b,base)
62#define REST_4VR(n,b,base) REST_2VR(n,b,base); REST_2VR(n+2,b,base)
63#define REST_8VR(n,b,base) REST_4VR(n,b,base); REST_4VR(n+4,b,base)
64#define REST_16VR(n,b,base) REST_8VR(n,b,base); REST_8VR(n+8,b,base)
65#define REST_32VR(n,b,base) REST_16VR(n,b,base); REST_16VR(n+16,b,base)
66
67#define SAVE_EVR(n,s,base) evmergehi s,s,n; stw s,THREAD_EVR0+4*(n)(base)
68#define SAVE_2EVR(n,s,base) SAVE_EVR(n,s,base); SAVE_EVR(n+1,s,base)
69#define SAVE_4EVR(n,s,base) SAVE_2EVR(n,s,base); SAVE_2EVR(n+2,s,base)
70#define SAVE_8EVR(n,s,base) SAVE_4EVR(n,s,base); SAVE_4EVR(n+4,s,base)
71#define SAVE_16EVR(n,s,base) SAVE_8EVR(n,s,base); SAVE_8EVR(n+8,s,base)
72#define SAVE_32EVR(n,s,base) SAVE_16EVR(n,s,base); SAVE_16EVR(n+16,s,base)
73
74#define REST_EVR(n,s,base) lwz s,THREAD_EVR0+4*(n)(base); evmergelo n,s,n
75#define REST_2EVR(n,s,base) REST_EVR(n,s,base); REST_EVR(n+1,s,base)
76#define REST_4EVR(n,s,base) REST_2EVR(n,s,base); REST_2EVR(n+2,s,base)
77#define REST_8EVR(n,s,base) REST_4EVR(n,s,base); REST_4EVR(n+4,s,base)
78#define REST_16EVR(n,s,base) REST_8EVR(n,s,base); REST_8EVR(n+8,s,base)
79#define REST_32EVR(n,s,base) REST_16EVR(n,s,base); REST_16EVR(n+16,s,base)
80
81#ifdef CONFIG_PPC601_SYNC_FIX
82#define SYNC \
83BEGIN_FTR_SECTION \
84 sync; \
85 isync; \
86END_FTR_SECTION_IFSET(CPU_FTR_601)
87#define SYNC_601 \
88BEGIN_FTR_SECTION \
89 sync; \
90END_FTR_SECTION_IFSET(CPU_FTR_601)
91#define ISYNC_601 \
92BEGIN_FTR_SECTION \
93 isync; \
94END_FTR_SECTION_IFSET(CPU_FTR_601)
95#else
96#define SYNC
97#define SYNC_601
98#define ISYNC_601
99#endif
100
101#ifndef CONFIG_SMP
102#define TLBSYNC
103#else /* CONFIG_SMP */
104/* tlbsync is not implemented on 601 */
105#define TLBSYNC \
106BEGIN_FTR_SECTION \
107 tlbsync; \
108 sync; \
109END_FTR_SECTION_IFCLR(CPU_FTR_601)
110#endif
111
112/*
113 * This instruction is not implemented on the PPC 603 or 601; however, on
114 * the 403GCX and 405GP tlbia IS defined and tlbie is not.
115 * All of these instructions exist in the 8xx, they have magical powers,
116 * and they must be used.
117 */
118
119#if !defined(CONFIG_4xx) && !defined(CONFIG_8xx)
120#define tlbia \
121 li r4,1024; \
122 mtctr r4; \
123 lis r4,KERNELBASE@h; \
1240: tlbie r4; \
125 addi r4,r4,0x1000; \
126 bdnz 0b
127#endif
128
129#ifdef CONFIG_BOOKE
130#define tophys(rd,rs) \
131 addis rd,rs,0
132
133#define tovirt(rd,rs) \
134 addis rd,rs,0
135
136#else /* CONFIG_BOOKE */
137/*
138 * On APUS (Amiga PowerPC cpu upgrade board), we don't know the
139 * physical base address of RAM at compile time.
140 */
141#define tophys(rd,rs) \
1420: addis rd,rs,-KERNELBASE@h; \
143 .section ".vtop_fixup","aw"; \
144 .align 1; \
145 .long 0b; \
146 .previous
147
148#define tovirt(rd,rs) \
1490: addis rd,rs,KERNELBASE@h; \
150 .section ".ptov_fixup","aw"; \
151 .align 1; \
152 .long 0b; \
153 .previous
154#endif /* CONFIG_BOOKE */
155
156/*
157 * On 64-bit cpus, we use the rfid instruction instead of rfi, but
158 * we then have to make sure we preserve the top 32 bits except for
159 * the 64-bit mode bit, which we clear.
160 */
161#ifdef CONFIG_PPC64BRIDGE
162#define FIX_SRR1(ra, rb) \
163 mr rb,ra; \
164 mfmsr ra; \
165 clrldi ra,ra,1; /* turn off 64-bit mode */ \
166 rldimi ra,rb,0,32
167#define RFI .long 0x4c000024 /* rfid instruction */
168#define MTMSRD(r) .long (0x7c000164 + ((r) << 21)) /* mtmsrd */
169#define CLR_TOP32(r) rlwinm (r),(r),0,0,31 /* clear top 32 bits */
170
171#else
172#define FIX_SRR1(ra, rb)
173#ifndef CONFIG_40x
174#define RFI rfi
175#else
176#define RFI rfi; b . /* Prevent prefetch past rfi */
177#endif
178#define MTMSRD(r) mtmsr r
179#define CLR_TOP32(r)
180#endif /* CONFIG_PPC64BRIDGE */
181
182#define RFCI .long 0x4c000066 /* rfci instruction */
183#define RFDI .long 0x4c00004e /* rfdi instruction */
184#define RFMCI .long 0x4c00004c /* rfmci instruction */
185
186#ifdef CONFIG_IBM405_ERR77
187#define PPC405_ERR77(ra,rb) dcbt ra, rb;
188#define PPC405_ERR77_SYNC sync;
189#else
190#define PPC405_ERR77(ra,rb)
191#define PPC405_ERR77_SYNC
192#endif
193
194/* The boring bits... */
195
196/* Condition Register Bit Fields */
197
198#define cr0 0
199#define cr1 1
200#define cr2 2
201#define cr3 3
202#define cr4 4
203#define cr5 5
204#define cr6 6
205#define cr7 7
206
207
208/* General Purpose Registers (GPRs) */
209
210#define r0 0
211#define r1 1
212#define r2 2
213#define r3 3
214#define r4 4
215#define r5 5
216#define r6 6
217#define r7 7
218#define r8 8
219#define r9 9
220#define r10 10
221#define r11 11
222#define r12 12
223#define r13 13
224#define r14 14
225#define r15 15
226#define r16 16
227#define r17 17
228#define r18 18
229#define r19 19
230#define r20 20
231#define r21 21
232#define r22 22
233#define r23 23
234#define r24 24
235#define r25 25
236#define r26 26
237#define r27 27
238#define r28 28
239#define r29 29
240#define r30 30
241#define r31 31
242
243
244/* Floating Point Registers (FPRs) */
245
246#define fr0 0
247#define fr1 1
248#define fr2 2
249#define fr3 3
250#define fr4 4
251#define fr5 5
252#define fr6 6
253#define fr7 7
254#define fr8 8
255#define fr9 9
256#define fr10 10
257#define fr11 11
258#define fr12 12
259#define fr13 13
260#define fr14 14
261#define fr15 15
262#define fr16 16
263#define fr17 17
264#define fr18 18
265#define fr19 19
266#define fr20 20
267#define fr21 21
268#define fr22 22
269#define fr23 23
270#define fr24 24
271#define fr25 25
272#define fr26 26
273#define fr27 27
274#define fr28 28
275#define fr29 29
276#define fr30 30
277#define fr31 31
278
279#define vr0 0
280#define vr1 1
281#define vr2 2
282#define vr3 3
283#define vr4 4
284#define vr5 5
285#define vr6 6
286#define vr7 7
287#define vr8 8
288#define vr9 9
289#define vr10 10
290#define vr11 11
291#define vr12 12
292#define vr13 13
293#define vr14 14
294#define vr15 15
295#define vr16 16
296#define vr17 17
297#define vr18 18
298#define vr19 19
299#define vr20 20
300#define vr21 21
301#define vr22 22
302#define vr23 23
303#define vr24 24
304#define vr25 25
305#define vr26 26
306#define vr27 27
307#define vr28 28
308#define vr29 29
309#define vr30 30
310#define vr31 31
311
312#define evr0 0
313#define evr1 1
314#define evr2 2
315#define evr3 3
316#define evr4 4
317#define evr5 5
318#define evr6 6
319#define evr7 7
320#define evr8 8
321#define evr9 9
322#define evr10 10
323#define evr11 11
324#define evr12 12
325#define evr13 13
326#define evr14 14
327#define evr15 15
328#define evr16 16
329#define evr17 17
330#define evr18 18
331#define evr19 19
332#define evr20 20
333#define evr21 21
334#define evr22 22
335#define evr23 23
336#define evr24 24
337#define evr25 25
338#define evr26 26
339#define evr27 27
340#define evr28 28
341#define evr29 29
342#define evr30 30
343#define evr31 31
344
345/* some stab codes */
346#define N_FUN 36
347#define N_RSYM 64
348#define N_SLINE 68
349#define N_SO 100
895ad115 350
351#ifdef __cplusplus
352} /* end of extern "C" */
353#endif
354
355#endif //_PPC_ASM_PPC_H
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