xref: /openbmc/linux/arch/powerpc/include/asm/ppc_asm.h (revision e8e0929d)
1 /*
2  * Copyright (C) 1995-1999 Gary Thomas, Paul Mackerras, Cort Dougan.
3  */
4 #ifndef _ASM_POWERPC_PPC_ASM_H
5 #define _ASM_POWERPC_PPC_ASM_H
6 
7 #include <linux/init.h>
8 #include <linux/stringify.h>
9 #include <asm/asm-compat.h>
10 #include <asm/processor.h>
11 #include <asm/ppc-opcode.h>
12 
13 #ifndef __ASSEMBLY__
14 #error __FILE__ should only be used in assembler files
15 #else
16 
17 #define SZL			(BITS_PER_LONG/8)
18 
19 /*
20  * Stuff for accurate CPU time accounting.
21  * These macros handle transitions between user and system state
22  * in exception entry and exit and accumulate time to the
23  * user_time and system_time fields in the paca.
24  */
25 
26 #ifndef CONFIG_VIRT_CPU_ACCOUNTING
27 #define ACCOUNT_CPU_USER_ENTRY(ra, rb)
28 #define ACCOUNT_CPU_USER_EXIT(ra, rb)
29 #else
30 #define ACCOUNT_CPU_USER_ENTRY(ra, rb)					\
31 	beq	2f;			/* if from kernel mode */	\
32 BEGIN_FTR_SECTION;							\
33 	mfspr	ra,SPRN_PURR;		/* get processor util. reg */	\
34 END_FTR_SECTION_IFSET(CPU_FTR_PURR);					\
35 BEGIN_FTR_SECTION;							\
36 	MFTB(ra);			/* or get TB if no PURR */	\
37 END_FTR_SECTION_IFCLR(CPU_FTR_PURR);					\
38 	ld	rb,PACA_STARTPURR(r13);					\
39 	std	ra,PACA_STARTPURR(r13);					\
40 	subf	rb,rb,ra;		/* subtract start value */	\
41 	ld	ra,PACA_USER_TIME(r13);					\
42 	add	ra,ra,rb;		/* add on to user time */	\
43 	std	ra,PACA_USER_TIME(r13);					\
44 2:
45 
46 #define ACCOUNT_CPU_USER_EXIT(ra, rb)					\
47 BEGIN_FTR_SECTION;							\
48 	mfspr	ra,SPRN_PURR;		/* get processor util. reg */	\
49 END_FTR_SECTION_IFSET(CPU_FTR_PURR);					\
50 BEGIN_FTR_SECTION;							\
51 	MFTB(ra);			/* or get TB if no PURR */	\
52 END_FTR_SECTION_IFCLR(CPU_FTR_PURR);					\
53 	ld	rb,PACA_STARTPURR(r13);					\
54 	std	ra,PACA_STARTPURR(r13);					\
55 	subf	rb,rb,ra;		/* subtract start value */	\
56 	ld	ra,PACA_SYSTEM_TIME(r13);				\
57 	add	ra,ra,rb;		/* add on to user time */	\
58 	std	ra,PACA_SYSTEM_TIME(r13);
59 #endif
60 
61 /*
62  * Macros for storing registers into and loading registers from
63  * exception frames.
64  */
65 #ifdef __powerpc64__
66 #define SAVE_GPR(n, base)	std	n,GPR0+8*(n)(base)
67 #define REST_GPR(n, base)	ld	n,GPR0+8*(n)(base)
68 #define SAVE_NVGPRS(base)	SAVE_8GPRS(14, base); SAVE_10GPRS(22, base)
69 #define REST_NVGPRS(base)	REST_8GPRS(14, base); REST_10GPRS(22, base)
70 #else
71 #define SAVE_GPR(n, base)	stw	n,GPR0+4*(n)(base)
72 #define REST_GPR(n, base)	lwz	n,GPR0+4*(n)(base)
73 #define SAVE_NVGPRS(base)	SAVE_GPR(13, base); SAVE_8GPRS(14, base); \
74 				SAVE_10GPRS(22, base)
75 #define REST_NVGPRS(base)	REST_GPR(13, base); REST_8GPRS(14, base); \
76 				REST_10GPRS(22, base)
77 #endif
78 
79 #define SAVE_2GPRS(n, base)	SAVE_GPR(n, base); SAVE_GPR(n+1, base)
80 #define SAVE_4GPRS(n, base)	SAVE_2GPRS(n, base); SAVE_2GPRS(n+2, base)
81 #define SAVE_8GPRS(n, base)	SAVE_4GPRS(n, base); SAVE_4GPRS(n+4, base)
82 #define SAVE_10GPRS(n, base)	SAVE_8GPRS(n, base); SAVE_2GPRS(n+8, base)
83 #define REST_2GPRS(n, base)	REST_GPR(n, base); REST_GPR(n+1, base)
84 #define REST_4GPRS(n, base)	REST_2GPRS(n, base); REST_2GPRS(n+2, base)
85 #define REST_8GPRS(n, base)	REST_4GPRS(n, base); REST_4GPRS(n+4, base)
86 #define REST_10GPRS(n, base)	REST_8GPRS(n, base); REST_2GPRS(n+8, base)
87 
88 #define SAVE_FPR(n, base)	stfd	n,THREAD_FPR0+8*TS_FPRWIDTH*(n)(base)
89 #define SAVE_2FPRS(n, base)	SAVE_FPR(n, base); SAVE_FPR(n+1, base)
90 #define SAVE_4FPRS(n, base)	SAVE_2FPRS(n, base); SAVE_2FPRS(n+2, base)
91 #define SAVE_8FPRS(n, base)	SAVE_4FPRS(n, base); SAVE_4FPRS(n+4, base)
92 #define SAVE_16FPRS(n, base)	SAVE_8FPRS(n, base); SAVE_8FPRS(n+8, base)
93 #define SAVE_32FPRS(n, base)	SAVE_16FPRS(n, base); SAVE_16FPRS(n+16, base)
94 #define REST_FPR(n, base)	lfd	n,THREAD_FPR0+8*TS_FPRWIDTH*(n)(base)
95 #define REST_2FPRS(n, base)	REST_FPR(n, base); REST_FPR(n+1, base)
96 #define REST_4FPRS(n, base)	REST_2FPRS(n, base); REST_2FPRS(n+2, base)
97 #define REST_8FPRS(n, base)	REST_4FPRS(n, base); REST_4FPRS(n+4, base)
98 #define REST_16FPRS(n, base)	REST_8FPRS(n, base); REST_8FPRS(n+8, base)
99 #define REST_32FPRS(n, base)	REST_16FPRS(n, base); REST_16FPRS(n+16, base)
100 
101 #define SAVE_VR(n,b,base)	li b,THREAD_VR0+(16*(n));  stvx n,base,b
102 #define SAVE_2VRS(n,b,base)	SAVE_VR(n,b,base); SAVE_VR(n+1,b,base)
103 #define SAVE_4VRS(n,b,base)	SAVE_2VRS(n,b,base); SAVE_2VRS(n+2,b,base)
104 #define SAVE_8VRS(n,b,base)	SAVE_4VRS(n,b,base); SAVE_4VRS(n+4,b,base)
105 #define SAVE_16VRS(n,b,base)	SAVE_8VRS(n,b,base); SAVE_8VRS(n+8,b,base)
106 #define SAVE_32VRS(n,b,base)	SAVE_16VRS(n,b,base); SAVE_16VRS(n+16,b,base)
107 #define REST_VR(n,b,base)	li b,THREAD_VR0+(16*(n)); lvx n,base,b
108 #define REST_2VRS(n,b,base)	REST_VR(n,b,base); REST_VR(n+1,b,base)
109 #define REST_4VRS(n,b,base)	REST_2VRS(n,b,base); REST_2VRS(n+2,b,base)
110 #define REST_8VRS(n,b,base)	REST_4VRS(n,b,base); REST_4VRS(n+4,b,base)
111 #define REST_16VRS(n,b,base)	REST_8VRS(n,b,base); REST_8VRS(n+8,b,base)
112 #define REST_32VRS(n,b,base)	REST_16VRS(n,b,base); REST_16VRS(n+16,b,base)
113 
114 /* Save the lower 32 VSRs in the thread VSR region */
115 #define SAVE_VSR(n,b,base)	li b,THREAD_VSR0+(16*(n));  STXVD2X(n,base,b)
116 #define SAVE_2VSRS(n,b,base)	SAVE_VSR(n,b,base); SAVE_VSR(n+1,b,base)
117 #define SAVE_4VSRS(n,b,base)	SAVE_2VSRS(n,b,base); SAVE_2VSRS(n+2,b,base)
118 #define SAVE_8VSRS(n,b,base)	SAVE_4VSRS(n,b,base); SAVE_4VSRS(n+4,b,base)
119 #define SAVE_16VSRS(n,b,base)	SAVE_8VSRS(n,b,base); SAVE_8VSRS(n+8,b,base)
120 #define SAVE_32VSRS(n,b,base)	SAVE_16VSRS(n,b,base); SAVE_16VSRS(n+16,b,base)
121 #define REST_VSR(n,b,base)	li b,THREAD_VSR0+(16*(n)); LXVD2X(n,base,b)
122 #define REST_2VSRS(n,b,base)	REST_VSR(n,b,base); REST_VSR(n+1,b,base)
123 #define REST_4VSRS(n,b,base)	REST_2VSRS(n,b,base); REST_2VSRS(n+2,b,base)
124 #define REST_8VSRS(n,b,base)	REST_4VSRS(n,b,base); REST_4VSRS(n+4,b,base)
125 #define REST_16VSRS(n,b,base)	REST_8VSRS(n,b,base); REST_8VSRS(n+8,b,base)
126 #define REST_32VSRS(n,b,base)	REST_16VSRS(n,b,base); REST_16VSRS(n+16,b,base)
127 /* Save the upper 32 VSRs (32-63) in the thread VSX region (0-31) */
128 #define SAVE_VSRU(n,b,base)	li b,THREAD_VR0+(16*(n));  STXVD2X(n+32,base,b)
129 #define SAVE_2VSRSU(n,b,base)	SAVE_VSRU(n,b,base); SAVE_VSRU(n+1,b,base)
130 #define SAVE_4VSRSU(n,b,base)	SAVE_2VSRSU(n,b,base); SAVE_2VSRSU(n+2,b,base)
131 #define SAVE_8VSRSU(n,b,base)	SAVE_4VSRSU(n,b,base); SAVE_4VSRSU(n+4,b,base)
132 #define SAVE_16VSRSU(n,b,base)	SAVE_8VSRSU(n,b,base); SAVE_8VSRSU(n+8,b,base)
133 #define SAVE_32VSRSU(n,b,base)	SAVE_16VSRSU(n,b,base); SAVE_16VSRSU(n+16,b,base)
134 #define REST_VSRU(n,b,base)	li b,THREAD_VR0+(16*(n)); LXVD2X(n+32,base,b)
135 #define REST_2VSRSU(n,b,base)	REST_VSRU(n,b,base); REST_VSRU(n+1,b,base)
136 #define REST_4VSRSU(n,b,base)	REST_2VSRSU(n,b,base); REST_2VSRSU(n+2,b,base)
137 #define REST_8VSRSU(n,b,base)	REST_4VSRSU(n,b,base); REST_4VSRSU(n+4,b,base)
138 #define REST_16VSRSU(n,b,base)	REST_8VSRSU(n,b,base); REST_8VSRSU(n+8,b,base)
139 #define REST_32VSRSU(n,b,base)	REST_16VSRSU(n,b,base); REST_16VSRSU(n+16,b,base)
140 
141 #define SAVE_EVR(n,s,base)	evmergehi s,s,n; stw s,THREAD_EVR0+4*(n)(base)
142 #define SAVE_2EVRS(n,s,base)	SAVE_EVR(n,s,base); SAVE_EVR(n+1,s,base)
143 #define SAVE_4EVRS(n,s,base)	SAVE_2EVRS(n,s,base); SAVE_2EVRS(n+2,s,base)
144 #define SAVE_8EVRS(n,s,base)	SAVE_4EVRS(n,s,base); SAVE_4EVRS(n+4,s,base)
145 #define SAVE_16EVRS(n,s,base)	SAVE_8EVRS(n,s,base); SAVE_8EVRS(n+8,s,base)
146 #define SAVE_32EVRS(n,s,base)	SAVE_16EVRS(n,s,base); SAVE_16EVRS(n+16,s,base)
147 #define REST_EVR(n,s,base)	lwz s,THREAD_EVR0+4*(n)(base); evmergelo n,s,n
148 #define REST_2EVRS(n,s,base)	REST_EVR(n,s,base); REST_EVR(n+1,s,base)
149 #define REST_4EVRS(n,s,base)	REST_2EVRS(n,s,base); REST_2EVRS(n+2,s,base)
150 #define REST_8EVRS(n,s,base)	REST_4EVRS(n,s,base); REST_4EVRS(n+4,s,base)
151 #define REST_16EVRS(n,s,base)	REST_8EVRS(n,s,base); REST_8EVRS(n+8,s,base)
152 #define REST_32EVRS(n,s,base)	REST_16EVRS(n,s,base); REST_16EVRS(n+16,s,base)
153 
154 /* Macros to adjust thread priority for hardware multithreading */
155 #define HMT_VERY_LOW	or	31,31,31	# very low priority
156 #define HMT_LOW		or	1,1,1
157 #define HMT_MEDIUM_LOW  or	6,6,6		# medium low priority
158 #define HMT_MEDIUM	or	2,2,2
159 #define HMT_MEDIUM_HIGH or	5,5,5		# medium high priority
160 #define HMT_HIGH	or	3,3,3
161 
162 #ifdef __KERNEL__
163 #ifdef CONFIG_PPC64
164 
165 #define XGLUE(a,b) a##b
166 #define GLUE(a,b) XGLUE(a,b)
167 
168 #define _GLOBAL(name) \
169 	.section ".text"; \
170 	.align 2 ; \
171 	.globl name; \
172 	.globl GLUE(.,name); \
173 	.section ".opd","aw"; \
174 name: \
175 	.quad GLUE(.,name); \
176 	.quad .TOC.@tocbase; \
177 	.quad 0; \
178 	.previous; \
179 	.type GLUE(.,name),@function; \
180 GLUE(.,name):
181 
182 #define _INIT_GLOBAL(name) \
183 	__REF; \
184 	.align 2 ; \
185 	.globl name; \
186 	.globl GLUE(.,name); \
187 	.section ".opd","aw"; \
188 name: \
189 	.quad GLUE(.,name); \
190 	.quad .TOC.@tocbase; \
191 	.quad 0; \
192 	.previous; \
193 	.type GLUE(.,name),@function; \
194 GLUE(.,name):
195 
196 #define _KPROBE(name) \
197 	.section ".kprobes.text","a"; \
198 	.align 2 ; \
199 	.globl name; \
200 	.globl GLUE(.,name); \
201 	.section ".opd","aw"; \
202 name: \
203 	.quad GLUE(.,name); \
204 	.quad .TOC.@tocbase; \
205 	.quad 0; \
206 	.previous; \
207 	.type GLUE(.,name),@function; \
208 GLUE(.,name):
209 
210 #define _STATIC(name) \
211 	.section ".text"; \
212 	.align 2 ; \
213 	.section ".opd","aw"; \
214 name: \
215 	.quad GLUE(.,name); \
216 	.quad .TOC.@tocbase; \
217 	.quad 0; \
218 	.previous; \
219 	.type GLUE(.,name),@function; \
220 GLUE(.,name):
221 
222 #define _INIT_STATIC(name) \
223 	__REF; \
224 	.align 2 ; \
225 	.section ".opd","aw"; \
226 name: \
227 	.quad GLUE(.,name); \
228 	.quad .TOC.@tocbase; \
229 	.quad 0; \
230 	.previous; \
231 	.type GLUE(.,name),@function; \
232 GLUE(.,name):
233 
234 #else /* 32-bit */
235 
236 #define _ENTRY(n)	\
237 	.globl n;	\
238 n:
239 
240 #define _GLOBAL(n)	\
241 	.text;		\
242 	.stabs __stringify(n:F-1),N_FUN,0,0,n;\
243 	.globl n;	\
244 n:
245 
246 #define _KPROBE(n)	\
247 	.section ".kprobes.text","a";	\
248 	.globl	n;	\
249 n:
250 
251 #endif
252 
253 /*
254  * LOAD_REG_IMMEDIATE(rn, expr)
255  *   Loads the value of the constant expression 'expr' into register 'rn'
256  *   using immediate instructions only.  Use this when it's important not
257  *   to reference other data (i.e. on ppc64 when the TOC pointer is not
258  *   valid) and when 'expr' is a constant or absolute address.
259  *
260  * LOAD_REG_ADDR(rn, name)
261  *   Loads the address of label 'name' into register 'rn'.  Use this when
262  *   you don't particularly need immediate instructions only, but you need
263  *   the whole address in one register (e.g. it's a structure address and
264  *   you want to access various offsets within it).  On ppc32 this is
265  *   identical to LOAD_REG_IMMEDIATE.
266  *
267  * LOAD_REG_ADDRBASE(rn, name)
268  * ADDROFF(name)
269  *   LOAD_REG_ADDRBASE loads part of the address of label 'name' into
270  *   register 'rn'.  ADDROFF(name) returns the remainder of the address as
271  *   a constant expression.  ADDROFF(name) is a signed expression < 16 bits
272  *   in size, so is suitable for use directly as an offset in load and store
273  *   instructions.  Use this when loading/storing a single word or less as:
274  *      LOAD_REG_ADDRBASE(rX, name)
275  *      ld	rY,ADDROFF(name)(rX)
276  */
277 #ifdef __powerpc64__
278 #define LOAD_REG_IMMEDIATE(reg,expr)		\
279 	lis     (reg),(expr)@highest;		\
280 	ori     (reg),(reg),(expr)@higher;	\
281 	rldicr  (reg),(reg),32,31;		\
282 	oris    (reg),(reg),(expr)@h;		\
283 	ori     (reg),(reg),(expr)@l;
284 
285 #define LOAD_REG_ADDR(reg,name)			\
286 	ld	(reg),name@got(r2)
287 
288 #define LOAD_REG_ADDRBASE(reg,name)	LOAD_REG_ADDR(reg,name)
289 #define ADDROFF(name)			0
290 
291 /* offsets for stack frame layout */
292 #define LRSAVE	16
293 
294 #else /* 32-bit */
295 
296 #define LOAD_REG_IMMEDIATE(reg,expr)		\
297 	lis	(reg),(expr)@ha;		\
298 	addi	(reg),(reg),(expr)@l;
299 
300 #define LOAD_REG_ADDR(reg,name)		LOAD_REG_IMMEDIATE(reg, name)
301 
302 #define LOAD_REG_ADDRBASE(reg, name)	lis	(reg),name@ha
303 #define ADDROFF(name)			name@l
304 
305 /* offsets for stack frame layout */
306 #define LRSAVE	4
307 
308 #endif
309 
310 /* various errata or part fixups */
311 #ifdef CONFIG_PPC601_SYNC_FIX
312 #define SYNC				\
313 BEGIN_FTR_SECTION			\
314 	sync;				\
315 	isync;				\
316 END_FTR_SECTION_IFSET(CPU_FTR_601)
317 #define SYNC_601			\
318 BEGIN_FTR_SECTION			\
319 	sync;				\
320 END_FTR_SECTION_IFSET(CPU_FTR_601)
321 #define ISYNC_601			\
322 BEGIN_FTR_SECTION			\
323 	isync;				\
324 END_FTR_SECTION_IFSET(CPU_FTR_601)
325 #else
326 #define	SYNC
327 #define SYNC_601
328 #define ISYNC_601
329 #endif
330 
331 #ifdef CONFIG_PPC_CELL
332 #define MFTB(dest)			\
333 90:	mftb  dest;			\
334 BEGIN_FTR_SECTION_NESTED(96);		\
335 	cmpwi dest,0;			\
336 	beq-  90b;			\
337 END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96)
338 #else
339 #define MFTB(dest)			mftb dest
340 #endif
341 
342 #ifndef CONFIG_SMP
343 #define TLBSYNC
344 #else /* CONFIG_SMP */
345 /* tlbsync is not implemented on 601 */
346 #define TLBSYNC				\
347 BEGIN_FTR_SECTION			\
348 	tlbsync;			\
349 	sync;				\
350 END_FTR_SECTION_IFCLR(CPU_FTR_601)
351 #endif
352 
353 
354 /*
355  * This instruction is not implemented on the PPC 603 or 601; however, on
356  * the 403GCX and 405GP tlbia IS defined and tlbie is not.
357  * All of these instructions exist in the 8xx, they have magical powers,
358  * and they must be used.
359  */
360 
361 #if !defined(CONFIG_4xx) && !defined(CONFIG_8xx)
362 #define tlbia					\
363 	li	r4,1024;			\
364 	mtctr	r4;				\
365 	lis	r4,KERNELBASE@h;		\
366 0:	tlbie	r4;				\
367 	addi	r4,r4,0x1000;			\
368 	bdnz	0b
369 #endif
370 
371 
372 #ifdef CONFIG_IBM440EP_ERR42
373 #define PPC440EP_ERR42 isync
374 #else
375 #define PPC440EP_ERR42
376 #endif
377 
378 /*
379  * toreal/fromreal/tophys/tovirt macros. 32-bit BookE makes them
380  * keep the address intact to be compatible with code shared with
381  * 32-bit classic.
382  *
383  * On the other hand, I find it useful to have them behave as expected
384  * by their name (ie always do the addition) on 64-bit BookE
385  */
386 #if defined(CONFIG_BOOKE) && !defined(CONFIG_PPC64)
387 #define toreal(rd)
388 #define fromreal(rd)
389 
390 /*
391  * We use addis to ensure compatibility with the "classic" ppc versions of
392  * these macros, which use rs = 0 to get the tophys offset in rd, rather than
393  * converting the address in r0, and so this version has to do that too
394  * (i.e. set register rd to 0 when rs == 0).
395  */
396 #define tophys(rd,rs)				\
397 	addis	rd,rs,0
398 
399 #define tovirt(rd,rs)				\
400 	addis	rd,rs,0
401 
402 #elif defined(CONFIG_PPC64)
403 #define toreal(rd)		/* we can access c000... in real mode */
404 #define fromreal(rd)
405 
406 #define tophys(rd,rs)                           \
407 	clrldi	rd,rs,2
408 
409 #define tovirt(rd,rs)                           \
410 	rotldi	rd,rs,16;			\
411 	ori	rd,rd,((KERNELBASE>>48)&0xFFFF);\
412 	rotldi	rd,rd,48
413 #else
414 /*
415  * On APUS (Amiga PowerPC cpu upgrade board), we don't know the
416  * physical base address of RAM at compile time.
417  */
418 #define toreal(rd)	tophys(rd,rd)
419 #define fromreal(rd)	tovirt(rd,rd)
420 
421 #define tophys(rd,rs)				\
422 0:	addis	rd,rs,-PAGE_OFFSET@h;		\
423 	.section ".vtop_fixup","aw";		\
424 	.align  1;				\
425 	.long   0b;				\
426 	.previous
427 
428 #define tovirt(rd,rs)				\
429 0:	addis	rd,rs,PAGE_OFFSET@h;		\
430 	.section ".ptov_fixup","aw";		\
431 	.align  1;				\
432 	.long   0b;				\
433 	.previous
434 #endif
435 
436 #ifdef CONFIG_PPC_BOOK3S_64
437 #define RFI		rfid
438 #define MTMSRD(r)	mtmsrd	r
439 #else
440 #define FIX_SRR1(ra, rb)
441 #ifndef CONFIG_40x
442 #define	RFI		rfi
443 #else
444 #define RFI		rfi; b .	/* Prevent prefetch past rfi */
445 #endif
446 #define MTMSRD(r)	mtmsr	r
447 #define CLR_TOP32(r)
448 #endif
449 
450 #endif /* __KERNEL__ */
451 
452 /* The boring bits... */
453 
454 /* Condition Register Bit Fields */
455 
456 #define	cr0	0
457 #define	cr1	1
458 #define	cr2	2
459 #define	cr3	3
460 #define	cr4	4
461 #define	cr5	5
462 #define	cr6	6
463 #define	cr7	7
464 
465 
466 /* General Purpose Registers (GPRs) */
467 
468 #define	r0	0
469 #define	r1	1
470 #define	r2	2
471 #define	r3	3
472 #define	r4	4
473 #define	r5	5
474 #define	r6	6
475 #define	r7	7
476 #define	r8	8
477 #define	r9	9
478 #define	r10	10
479 #define	r11	11
480 #define	r12	12
481 #define	r13	13
482 #define	r14	14
483 #define	r15	15
484 #define	r16	16
485 #define	r17	17
486 #define	r18	18
487 #define	r19	19
488 #define	r20	20
489 #define	r21	21
490 #define	r22	22
491 #define	r23	23
492 #define	r24	24
493 #define	r25	25
494 #define	r26	26
495 #define	r27	27
496 #define	r28	28
497 #define	r29	29
498 #define	r30	30
499 #define	r31	31
500 
501 
502 /* Floating Point Registers (FPRs) */
503 
504 #define	fr0	0
505 #define	fr1	1
506 #define	fr2	2
507 #define	fr3	3
508 #define	fr4	4
509 #define	fr5	5
510 #define	fr6	6
511 #define	fr7	7
512 #define	fr8	8
513 #define	fr9	9
514 #define	fr10	10
515 #define	fr11	11
516 #define	fr12	12
517 #define	fr13	13
518 #define	fr14	14
519 #define	fr15	15
520 #define	fr16	16
521 #define	fr17	17
522 #define	fr18	18
523 #define	fr19	19
524 #define	fr20	20
525 #define	fr21	21
526 #define	fr22	22
527 #define	fr23	23
528 #define	fr24	24
529 #define	fr25	25
530 #define	fr26	26
531 #define	fr27	27
532 #define	fr28	28
533 #define	fr29	29
534 #define	fr30	30
535 #define	fr31	31
536 
537 /* AltiVec Registers (VPRs) */
538 
539 #define	vr0	0
540 #define	vr1	1
541 #define	vr2	2
542 #define	vr3	3
543 #define	vr4	4
544 #define	vr5	5
545 #define	vr6	6
546 #define	vr7	7
547 #define	vr8	8
548 #define	vr9	9
549 #define	vr10	10
550 #define	vr11	11
551 #define	vr12	12
552 #define	vr13	13
553 #define	vr14	14
554 #define	vr15	15
555 #define	vr16	16
556 #define	vr17	17
557 #define	vr18	18
558 #define	vr19	19
559 #define	vr20	20
560 #define	vr21	21
561 #define	vr22	22
562 #define	vr23	23
563 #define	vr24	24
564 #define	vr25	25
565 #define	vr26	26
566 #define	vr27	27
567 #define	vr28	28
568 #define	vr29	29
569 #define	vr30	30
570 #define	vr31	31
571 
572 /* VSX Registers (VSRs) */
573 
574 #define	vsr0	0
575 #define	vsr1	1
576 #define	vsr2	2
577 #define	vsr3	3
578 #define	vsr4	4
579 #define	vsr5	5
580 #define	vsr6	6
581 #define	vsr7	7
582 #define	vsr8	8
583 #define	vsr9	9
584 #define	vsr10	10
585 #define	vsr11	11
586 #define	vsr12	12
587 #define	vsr13	13
588 #define	vsr14	14
589 #define	vsr15	15
590 #define	vsr16	16
591 #define	vsr17	17
592 #define	vsr18	18
593 #define	vsr19	19
594 #define	vsr20	20
595 #define	vsr21	21
596 #define	vsr22	22
597 #define	vsr23	23
598 #define	vsr24	24
599 #define	vsr25	25
600 #define	vsr26	26
601 #define	vsr27	27
602 #define	vsr28	28
603 #define	vsr29	29
604 #define	vsr30	30
605 #define	vsr31	31
606 #define	vsr32	32
607 #define	vsr33	33
608 #define	vsr34	34
609 #define	vsr35	35
610 #define	vsr36	36
611 #define	vsr37	37
612 #define	vsr38	38
613 #define	vsr39	39
614 #define	vsr40	40
615 #define	vsr41	41
616 #define	vsr42	42
617 #define	vsr43	43
618 #define	vsr44	44
619 #define	vsr45	45
620 #define	vsr46	46
621 #define	vsr47	47
622 #define	vsr48	48
623 #define	vsr49	49
624 #define	vsr50	50
625 #define	vsr51	51
626 #define	vsr52	52
627 #define	vsr53	53
628 #define	vsr54	54
629 #define	vsr55	55
630 #define	vsr56	56
631 #define	vsr57	57
632 #define	vsr58	58
633 #define	vsr59	59
634 #define	vsr60	60
635 #define	vsr61	61
636 #define	vsr62	62
637 #define	vsr63	63
638 
639 /* SPE Registers (EVPRs) */
640 
641 #define	evr0	0
642 #define	evr1	1
643 #define	evr2	2
644 #define	evr3	3
645 #define	evr4	4
646 #define	evr5	5
647 #define	evr6	6
648 #define	evr7	7
649 #define	evr8	8
650 #define	evr9	9
651 #define	evr10	10
652 #define	evr11	11
653 #define	evr12	12
654 #define	evr13	13
655 #define	evr14	14
656 #define	evr15	15
657 #define	evr16	16
658 #define	evr17	17
659 #define	evr18	18
660 #define	evr19	19
661 #define	evr20	20
662 #define	evr21	21
663 #define	evr22	22
664 #define	evr23	23
665 #define	evr24	24
666 #define	evr25	25
667 #define	evr26	26
668 #define	evr27	27
669 #define	evr28	28
670 #define	evr29	29
671 #define	evr30	30
672 #define	evr31	31
673 
674 /* some stab codes */
675 #define N_FUN	36
676 #define N_RSYM	64
677 #define N_SLINE	68
678 #define N_SO	100
679 
680 #endif /*  __ASSEMBLY__ */
681 
682 #endif /* _ASM_POWERPC_PPC_ASM_H */
683