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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
11 *
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22/*
23 * @OSF_COPYRIGHT@
24 */
25#ifndef _PPC_ASM_H_
26#define _PPC_ASM_H_
27
28#define __ASMNL__ @
29#define STRINGD .ascii
30
31#ifdef ASSEMBLER
32
33
34#define br0 0
35
36#define ARG0 r3
37#define ARG1 r4
38#define ARG2 r5
39#define ARG3 r6
40#define ARG4 r7
41#define ARG5 r8
42#define ARG6 r9
43#define ARG7 r10
44
45#define tmp0 r0 /* Temporary GPR remapping (603e specific) */
46#define tmp1 r1
47#define tmp2 r2
48#define tmp3 r3
49
50/* SPR registers */
51
52#define mq 0 /* MQ register for 601 emulation */
53#define rtcu 4 /* RTCU - upper word of RTC for 601 emulation */
54#define rtcl 5 /* RTCL - lower word of RTC for 601 emulation */
55#define dsisr 18
56#define ppcDAR 19
57#define ppcdar 19
58#define dar 19
59#define SDR1 25
60#define sdr1 25
61#define srr0 26
62#define srr1 27
63#define vrsave 256 /* Vector Register save */
64#define sprg0 272
65#define sprg1 273
66#define sprg2 274
67#define sprg3 275
68#define pvr 287
69
70#define IBAT0U 528
71#define IBAT0L 529
72#define IBAT1U 530
73#define IBAT1L 531
74#define IBAT2U 532
75#define IBAT2L 533
76#define IBAT3U 534
77#define IBAT3L 535
78#define ibat0u 528
79#define ibat0l 529
80#define ibat1u 530
81#define ibat1l 531
82#define ibat2u 532
83#define ibat2l 533
84#define ibat3u 534
85#define ibat3l 535
86
87#define DBAT0U 536
88#define DBAT0L 537
89#define DBAT1U 538
90#define DBAT1L 539
91#define DBAT2U 540
92#define DBAT2L 541
93#define DBAT3U 542
94#define DBAT3L 543
95#define dbat0u 536
96#define dbat0l 537
97#define dbat1u 538
98#define dbat1l 539
99#define dbat2u 540
100#define dbat2l 541
101#define dbat3u 542
102#define dbat3l 543
103
104#define ummcr2 928 /* Performance monitor control */
105#define ubamr 935 /* Performance monitor mask */
106#define ummcr0 936 /* Performance monitor control */
107#define upmc1 937 /* Performance monitor counter */
108#define upmc2 938 /* Performance monitor counter */
109#define usia 939 /* User sampled instruction address */
110#define ummcr1 940 /* Performance monitor control */
111#define upmc3 941 /* Performance monitor counter */
112#define upmc4 942 /* Performance monitor counter */
113#define usda 943 /* User sampled data address */
114#define mmcr2 944 /* Performance monitor control */
115#define bamr 951 /* Performance monitor mask */
116#define mmcr0 952
117#define pmc1 953
118#define pmc2 954
119#define sia 955
120#define mmcr1 956
121#define pmc3 957
122#define pmc4 958
123#define sda 959 /* Sampled data address */
124#define dmiss 976 /* ea that missed */
125#define dcmp 977 /* compare value for the va that missed */
126#define hash1 978 /* pointer to first hash pteg */
127#define hash2 979 /* pointer to second hash pteg */
128#define imiss 980 /* ea that missed */
129#define tlbmiss 980 /* ea that missed */
130#define icmp 981 /* compare value for the va that missed */
131#define ptehi 981 /* compare value for the va that missed */
132#define rpa 982 /* required physical address register */
133#define ptelo 982 /* required physical address register */
134#define l3pdet 984 /* l3pdet */
135
136#define HID0 1008 /* Checkstop and misc enables */
137#define hid0 1008 /* Checkstop and misc enables */
138#define HID1 1009 /* Clock configuration */
139#define hid1 1009 /* Clock configuration */
140#define iabr 1010 /* Instruction address breakpoint register */
141#define ictrl 1011 /* Instruction Cache Control */
142#define ldstdb 1012 /* Load/Store Debug */
143#define dabr 1013 /* Data address breakpoint register */
144#define msscr0 1014 /* Memory subsystem control */
145#define msscr1 1015 /* Memory subsystem debug */
146#define msssr0 1015 /* Memory Subsystem Status */
147#define ldstcr 1016 /* Load/Store Status/Control */
148#define l2cr2 1016 /* L2 Cache control 2 */
149#define l2cr 1017 /* L2 Cache control */
150#define l3cr 1018 /* L3 Cache control */
151#define ictc 1019 /* I-cache throttling control */
152#define thrm1 1020 /* Thermal management 1 */
153#define thrm2 1021 /* Thermal management 2 */
154#define thrm3 1022 /* Thermal management 3 */
155#define pir 1023 /* Processor ID Register */
156
157; hid0 bits
158#define emcp 0
159#define emcpm 0x80000000
160#define dbp 1
161#define dbpm 0x40000000
162#define eba 2
163#define ebam 0x20000000
164#define ebd 3
165#define ebdm 0x10000000
166#define sbclk 4
167#define sbclkm 0x08000000
168#define eclk 6
169#define eclkm 0x02000000
170#define par 7
171#define parm 0x01000000
172#define sten 7
173#define stenm 0x01000000
174#define doze 8
175#define dozem 0x00800000
176#define nap 9
177#define napm 0x00400000
178#define sleep 10
179#define sleepm 0x00200000
180#define dpm 11
181#define dpmm 0x00100000
182#define riseg 12
183#define risegm 0x00080000
184#define eiec 13
185#define eiecm 0x00040000
186#define mum 14
187#define mumm 0x00020000
188#define nhr 15
189#define nhrm 0x00010000
190#define ice 16
191#define icem 0x00008000
192#define dce 17
193#define dcem 0x00004000
194#define ilock 18
195#define ilockm 0x00002000
196#define dlock 19
197#define dlockm 0x00001000
198#define icfi 20
199#define icfim 0x00000800
200#define dcfi 21
201#define dcfim 0x00000400
202#define spd 22
203#define spdm 0x00000200
204#define sge 24
205#define sgem 0x00000080
206#define dcfa 25
207#define dcfam 0x00000040
208#define btic 26
209#define bticm 0x00000020
210#define lrstk 27
211#define lrstkm 0x00000010
212#define abe 28
213#define abem 0x00000008
214#define fold 28
215#define foldm 0x00000008
216#define bht 29
217#define bhtm 0x00000004
218#define nopdst 30
219#define nopdstm 0x00000002
220#define nopti 31
221#define noptim 0x00000001
222
223; hid1 bits
224#define hid1pcem 0xF8000000
225#define hid1prem 0x06000000
226#define hid1pi0 14
227#define hid1pi0m 0x00020000
228#define hid1ps 15
229#define hid1psm 0x00010000
230#define hid1pc0 0x0000F800
231#define hid1pr0 0x00000600
232#define hid1pc1 0x000000F8
233#define hid1pc0 0x0000F800
234#define hid1pr1 0x00000006
235
236; msscr0 bits
237#define shden 0
238#define shdenm 0x80000000
239#define shden3 1
240#define shdenm3 0x40000000
241#define l1intvs 2
242#define l1intve 4
243#define l1intvb 0x38000000
244#define l2intvs 5
245#define l2intve 7
246#define l2intvb 0x07000000
247#define dl1hwf 8
248#define dl1hwfm 0x00800000
249#define dbsiz 9
250#define dbsizm 0x00400000
251#define emode 10
252#define emodem 0x00200000
253#define abgd 11
254#define abgdm 0x00100000
255#define tfsts 24
256#define tfste 25
257#define tfstm 0x000000C0
258#define l2pfes 30
259#define l2pfee 31
260#define l2pfem 0x00000003
261
262; msscr1 bits
263#define cqd 15
264#define cqdm 0x00010000
265#define csqs 1
266#define csqe 2
267#define csqm 0x60000000
268
269; msssr1 bits - 7450
270#define vgL2PARA 0
271#define vgL3PARA 1
272#define vgL2COQEL 2
273#define vgL3COQEL 3
274#define vgL2CTR 4
275#define vgL3CTR 5
276#define vgL2COQR 6
277#define vgL3COQR 7
278#define vgLMQ 8
279#define vgSMC 9
280#define vgSNP 10
281#define vgBIU 11
282#define vgSMCE 12
283#define vgL2TAG 13
284#define vgL2DAT 14
285#define vgL3TAG 15
286#define vgL3DAT 16
287#define vgAPE 17
288#define vgDPE 18
289#define vgTEA 19
290
291; srr1 bits
292#define icmck 1
293#define icmckm 0x40000000
294#define dcmck 2
295#define dcmckm 0x20000000
296#define l2mck 3
297#define l2mckm 0x10000000
298#define tlbmck 4
299#define tlbmckm 0x08000000
300#define brmck 5
301#define brmckm 0x04000000
302#define othmck 10
303#define othmckm 0x00200000
304#define l2dpmck 11
305#define l2dpmckm 0x00100000
306#define mcpmck 12
307#define mcpmckm 0x00080000
308#define teamck 13
309#define teamckm 0x00040000
310#define dpmck 14
311#define dpmckm 0x00020000
312#define apmck 15
313#define apmckm 0x00010000
314
315; L2 cache control
316#define l2e 0
317#define l2em 0x80000000
318#define l2pe 1
319#define l2pem 0x40000000
320#define l2siz 2
321#define l2sizf 3
322#define l2sizm 0x30000000
323#define l2clk 4
324#define l2clkf 6
325#define l2clkm 0x0E000000
326#define l2ram 7
327#define l2ramf 8
328#define l2ramm 0x01800000
329#define l2do 9
330#define l2dom 0x00400000
331#define l2i 10
332#define l2im 0x00200000
333#define l2ctl 11
334#define l2ctlm 0x00100000
335#define l2ionly 11
336#define l2ionlym 0x00100000
337#define l2wt 12
338#define l2wtm 0x00080000
339#define l2ts 13
340#define l2tsm 0x00040000
341#define l2oh 14
342#define l2ohf 15
343#define l2ohm 0x00030000
344#define l2donly 15
345#define l2donlym 0x00010000
346#define l2sl 16
347#define l2slm 0x00008000
348#define l2df 17
349#define l2dfm 0x00004000
350#define l2byp 18
351#define l2bypm 0x00002000
352#define l2fa 19
353#define l2fam 0x00001000
354#define l2hwf 20
355#define l2hwfm 0x00000800
356#define l2io 21
357#define l2iom 0x00000400
358#define l2clkstp 22
359#define l2clkstpm 0x00000200
360#define l2dro 23
361#define l2drom 0x00000100
362#define l2ctr 24
363#define l2ctrf 30
364#define l2ctrm 0x000000FE
365#define l2ip 31
366#define l2ipm 0x00000001
367
368; L3 cache control
369#define l3e 0
370#define l3em 0x80000000
371#define l3pe 1
372#define l3pem 0x40000000
373#define l3siz 3
374#define l3sizm 0x10000000
375#define l3clken 4
376#define l3clkenm 0x08000000
377#define l3dx 5
378#define l3dxm 0x04000000
379#define l3clk 6
380#define l3clkf 8
381#define l3clkm 0x03800000
382#define l3io 9
383#define l3iom 0x00400000
384#define l3spo 13
385#define l3spom 0x00040000
386#define l3cksp 14
387#define l3ckspf 15
388#define l3ckspm 0x00030000
389#define l3psp 16
390#define l3pspf 18
391#define l3pspm 0x0000E000
392#define l3rep 19
393#define l3repm 0x00001000
394#define l3hwf 20
395#define l3hwfm 0x00000800
396#define l3i 21
397#define l3im 0x00000400
398#define l3rt 22
399#define l3rtf 23
400#define l3rtm 0x00000300
401#define l3dro 23
402#define l3drom 0x00000100
403#define l3cya 24
404#define l3cyam 0x00000080
405#define l3donly 25
406#define l3donlym 0x00000040
407#define l3dmem 29
408#define l3dmemm 0x00000004
409#define l3dmsiz 31
410#define l3dmsizm 0x00000001
411
412#define thrmtin 0
413#define thrmtinm 0x80000000
414#define thrmtiv 1
415#define thrmtivm 0x40000000
416#define thrmthrs 2
417#define thrmthre 8
418#define thrmthrm 0x3F800000
419#define thrmtid 29
420#define thrmtidm 0x00000004
421#define thrmtie 30
422#define thrmtiem 0x00000002
423#define thrmv 31
424#define thrmvm 0x00000001
425
426#define thrmsitvs 15
427#define thrmsitve 30
428#define thrmsitvm 0x0001FFFE
429#define thrme 31
430#define thrmem 0x00000001
431
432#define ictcfib 23
433#define ictcfie 30
434#define ictcfim 0x000001FE
435#define ictce 31
436#define ictcem 0x00000001
437
438#define cr0_lt 0
439#define cr0_gt 1
440#define cr0_eq 2
441#define cr0_so 3
442#define cr0_un 3
443#define cr1_lt 4
444#define cr1_gt 5
445#define cr1_eq 6
446#define cr1_so 7
447#define cr1_un 7
448#define cr2_lt 8
449#define cr2_gt 9
450#define cr2_eq 10
451#define cr2_so 11
452#define cr2_un 11
453#define cr3_lt 12
454#define cr3_gt 13
455#define cr3_eq 14
456#define cr3_so 15
457#define cr3_un 15
458#define cr4_lt 16
459#define cr4_gt 17
460#define cr4_eq 18
461#define cr4_so 19
462#define cr4_un 19
463#define cr5_lt 20
464#define cr5_gt 21
465#define cr5_eq 22
466#define cr5_so 23
467#define cr5_un 23
468#define cr6_lt 24
469#define cr6_gt 25
470#define cr6_eq 26
471#define cr6_so 27
472#define cr6_un 27
473#define cr7_lt 28
474#define cr7_gt 29
475#define cr7_eq 30
476#define cr7_so 31
477#define cr7_un 31
478
479/*
480 * Macros to access high and low word values of an address
481 */
482
483#define HIGH_CADDR(x) ha16(x)
484#define HIGH_ADDR(x) hi16(x)
485#define LOW_ADDR(x) lo16(x)
486
487#endif /* ASSEMBLER */
488
489/* Tags are placed before Immediately Following Code (IFC) for the debugger
490 * to be able to deduce where to find various registers when backtracing
491 *
492 * We only define the values as we use them, see SVR4 ABI PowerPc Supplement
493 * for more details (defined in ELF spec).
494 */
495
496#define TAG_NO_FRAME_USED 0x00000000
497
498/* (should use genassym to get these offsets) */
499
500#define FM_BACKPTR 0
501#define FM_CR_SAVE 4
502#define FM_LR_SAVE 8 /* MacOSX is NOT following the ABI at the moment.. */
503#define FM_SIZE 64 /* minimum frame contents, backptr and LR save. Make sure it is quadaligned */
504#define FM_ARG0 56
505#define FM_ALIGN(l) ((l+15)&-16)
506#define PK_SYSCALL_BEGIN 0x7000
507
508
509/* redzone is the area under the stack pointer which must be preserved
510 * when taking a trap, interrupt etc.
511 */
512#define FM_REDZONE 224 /* is ((32-14+1)*4) */
513
514#define COPYIN_ARG0_OFFSET FM_ARG0
515
516#ifdef MACH_KERNEL
517#include <mach_kdb.h>
518#else /* MACH_KERNEL */
519#define MACH_KDB 0
520#endif /* MACH_KERNEL */
521
522#define BREAKPOINT_TRAP tw 4,r4,r4
523
524/* There is another definition of ALIGN for .c sources */
525#ifndef __LANGUAGE_ASSEMBLY
526#define ALIGN 4
527#endif /* __LANGUAGE_ASSEMBLY */
528
529#ifndef FALIGN
530#define FALIGN 4 /* Align functions on words for now. Cachelines is better */
531#endif
532
533#define LB(x,n) n
534#if __STDC__
535#define LCL(x) L ## x
536#define EXT(x) _ ## x
537#define LEXT(x) _ ## x ## :
538#define LBc(x,n) n ## :
539#define LBb(x,n) n ## b
540#define LBf(x,n) n ## f
541#else /* __STDC__ */
542#define LCL(x) L/**/x
543#define EXT(x) _/**/x
544#define LEXT(x) _/**/x/**/:
545#define LBc(x,n) n/**/:
546#define LBb(x,n) n/**/b
547#define LBf(x,n) n/**/f
548#endif /* __STDC__ */
549
550#define String .asciz
551#define Value .word
552#define Times(a,b) (a*b)
553#define Divide(a,b) (a/b)
554
555#define data16 .byte 0x66
556#define addr16 .byte 0x67
557
558#if !GPROF
559#define MCOUNT
560#endif /* GPROF */
561
562#define ELF_FUNC(x)
563#define ELF_DATA(x)
564#define ELF_SIZE(x,s)
565
566#define Entry(x,tag) .text@.align FALIGN@ .globl EXT(x)@ LEXT(x)
567#define ENTRY(x,tag) Entry(x,tag)@MCOUNT
568#define ENTRY2(x,y,tag) .text@ .align FALIGN@ .globl EXT(x)@ .globl EXT(y)@ \
569 LEXT(x)@ LEXT(y) @\
570 MCOUNT
571#if __STDC__
572#define ASENTRY(x) .globl x @ .align FALIGN; x ## @ MCOUNT
573#else
574#define ASENTRY(x) .globl x @ .align FALIGN; x @ MCOUNT
575#endif /* __STDC__ */
576#define DATA(x) .globl EXT(x) @ .align ALIGN @ LEXT(x)
577
578
579#define End(x) ELF_SIZE(x,.-x)
580#define END(x) End(EXT(x))
581#define ENDDATA(x) END(x)
582#define Enddata(x) End(x)
583
584/* These defines are here for .c files that wish to reference global symbols
585 * within __asm__ statements.
586 */
587#define CC_SYM_PREFIX "_"
588
589#endif /* _PPC_ASM_H_ */