xref: /linux/arch/powerpc/include/asm/ppc_asm.h (revision 12871a0bd67dd4db4418e1daafcd46e9d329ef10)
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 #include <asm/firmware.h>
13 
14 #ifndef __ASSEMBLY__
15 #error __FILE__ should only be used in assembler files
16 #else
17 
18 #define SZL			(BITS_PER_LONG/8)
19 
20 /*
21  * Stuff for accurate CPU time accounting.
22  * These macros handle transitions between user and system state
23  * in exception entry and exit and accumulate time to the
24  * user_time and system_time fields in the paca.
25  */
26 
27 #ifndef CONFIG_VIRT_CPU_ACCOUNTING
28 #define ACCOUNT_CPU_USER_ENTRY(ra, rb)
29 #define ACCOUNT_CPU_USER_EXIT(ra, rb)
30 #define ACCOUNT_STOLEN_TIME
31 #else
32 #define ACCOUNT_CPU_USER_ENTRY(ra, rb)					\
33 	beq	2f;			/* if from kernel mode */	\
34 	MFTB(ra);			/* get timebase */		\
35 	ld	rb,PACA_STARTTIME_USER(r13);				\
36 	std	ra,PACA_STARTTIME(r13);					\
37 	subf	rb,rb,ra;		/* subtract start value */	\
38 	ld	ra,PACA_USER_TIME(r13);					\
39 	add	ra,ra,rb;		/* add on to user time */	\
40 	std	ra,PACA_USER_TIME(r13);					\
41 2:
42 
43 #define ACCOUNT_CPU_USER_EXIT(ra, rb)					\
44 	MFTB(ra);			/* get timebase */		\
45 	ld	rb,PACA_STARTTIME(r13);					\
46 	std	ra,PACA_STARTTIME_USER(r13);				\
47 	subf	rb,rb,ra;		/* subtract start value */	\
48 	ld	ra,PACA_SYSTEM_TIME(r13);				\
49 	add	ra,ra,rb;		/* add on to system time */	\
50 	std	ra,PACA_SYSTEM_TIME(r13)
51 
52 #ifdef CONFIG_PPC_SPLPAR
53 #define ACCOUNT_STOLEN_TIME						\
54 BEGIN_FW_FTR_SECTION;							\
55 	beq	33f;							\
56 	/* from user - see if there are any DTL entries to process */	\
57 	ld	r10,PACALPPACAPTR(r13);	/* get ptr to VPA */		\
58 	ld	r11,PACA_DTL_RIDX(r13);	/* get log read index */	\
59 	ld	r10,LPPACA_DTLIDX(r10);	/* get log write index */	\
60 	cmpd	cr1,r11,r10;						\
61 	beq+	cr1,33f;						\
62 	bl	.accumulate_stolen_time;				\
63 33:									\
64 END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR)
65 
66 #else  /* CONFIG_PPC_SPLPAR */
67 #define ACCOUNT_STOLEN_TIME
68 
69 #endif /* CONFIG_PPC_SPLPAR */
70 
71 #endif /* CONFIG_VIRT_CPU_ACCOUNTING */
72 
73 /*
74  * Macros for storing registers into and loading registers from
75  * exception frames.
76  */
77 #ifdef __powerpc64__
78 #define SAVE_GPR(n, base)	std	n,GPR0+8*(n)(base)
79 #define REST_GPR(n, base)	ld	n,GPR0+8*(n)(base)
80 #define SAVE_NVGPRS(base)	SAVE_8GPRS(14, base); SAVE_10GPRS(22, base)
81 #define REST_NVGPRS(base)	REST_8GPRS(14, base); REST_10GPRS(22, base)
82 #else
83 #define SAVE_GPR(n, base)	stw	n,GPR0+4*(n)(base)
84 #define REST_GPR(n, base)	lwz	n,GPR0+4*(n)(base)
85 #define SAVE_NVGPRS(base)	SAVE_GPR(13, base); SAVE_8GPRS(14, base); \
86 				SAVE_10GPRS(22, base)
87 #define REST_NVGPRS(base)	REST_GPR(13, base); REST_8GPRS(14, base); \
88 				REST_10GPRS(22, base)
89 #endif
90 
91 #define SAVE_2GPRS(n, base)	SAVE_GPR(n, base); SAVE_GPR(n+1, base)
92 #define SAVE_4GPRS(n, base)	SAVE_2GPRS(n, base); SAVE_2GPRS(n+2, base)
93 #define SAVE_8GPRS(n, base)	SAVE_4GPRS(n, base); SAVE_4GPRS(n+4, base)
94 #define SAVE_10GPRS(n, base)	SAVE_8GPRS(n, base); SAVE_2GPRS(n+8, base)
95 #define REST_2GPRS(n, base)	REST_GPR(n, base); REST_GPR(n+1, base)
96 #define REST_4GPRS(n, base)	REST_2GPRS(n, base); REST_2GPRS(n+2, base)
97 #define REST_8GPRS(n, base)	REST_4GPRS(n, base); REST_4GPRS(n+4, base)
98 #define REST_10GPRS(n, base)	REST_8GPRS(n, base); REST_2GPRS(n+8, base)
99 
100 #define SAVE_FPR(n, base)	stfd	n,THREAD_FPR0+8*TS_FPRWIDTH*(n)(base)
101 #define SAVE_2FPRS(n, base)	SAVE_FPR(n, base); SAVE_FPR(n+1, base)
102 #define SAVE_4FPRS(n, base)	SAVE_2FPRS(n, base); SAVE_2FPRS(n+2, base)
103 #define SAVE_8FPRS(n, base)	SAVE_4FPRS(n, base); SAVE_4FPRS(n+4, base)
104 #define SAVE_16FPRS(n, base)	SAVE_8FPRS(n, base); SAVE_8FPRS(n+8, base)
105 #define SAVE_32FPRS(n, base)	SAVE_16FPRS(n, base); SAVE_16FPRS(n+16, base)
106 #define REST_FPR(n, base)	lfd	n,THREAD_FPR0+8*TS_FPRWIDTH*(n)(base)
107 #define REST_2FPRS(n, base)	REST_FPR(n, base); REST_FPR(n+1, base)
108 #define REST_4FPRS(n, base)	REST_2FPRS(n, base); REST_2FPRS(n+2, base)
109 #define REST_8FPRS(n, base)	REST_4FPRS(n, base); REST_4FPRS(n+4, base)
110 #define REST_16FPRS(n, base)	REST_8FPRS(n, base); REST_8FPRS(n+8, base)
111 #define REST_32FPRS(n, base)	REST_16FPRS(n, base); REST_16FPRS(n+16, base)
112 
113 #define SAVE_VR(n,b,base)	li b,THREAD_VR0+(16*(n));  stvx n,base,b
114 #define SAVE_2VRS(n,b,base)	SAVE_VR(n,b,base); SAVE_VR(n+1,b,base)
115 #define SAVE_4VRS(n,b,base)	SAVE_2VRS(n,b,base); SAVE_2VRS(n+2,b,base)
116 #define SAVE_8VRS(n,b,base)	SAVE_4VRS(n,b,base); SAVE_4VRS(n+4,b,base)
117 #define SAVE_16VRS(n,b,base)	SAVE_8VRS(n,b,base); SAVE_8VRS(n+8,b,base)
118 #define SAVE_32VRS(n,b,base)	SAVE_16VRS(n,b,base); SAVE_16VRS(n+16,b,base)
119 #define REST_VR(n,b,base)	li b,THREAD_VR0+(16*(n)); lvx n,base,b
120 #define REST_2VRS(n,b,base)	REST_VR(n,b,base); REST_VR(n+1,b,base)
121 #define REST_4VRS(n,b,base)	REST_2VRS(n,b,base); REST_2VRS(n+2,b,base)
122 #define REST_8VRS(n,b,base)	REST_4VRS(n,b,base); REST_4VRS(n+4,b,base)
123 #define REST_16VRS(n,b,base)	REST_8VRS(n,b,base); REST_8VRS(n+8,b,base)
124 #define REST_32VRS(n,b,base)	REST_16VRS(n,b,base); REST_16VRS(n+16,b,base)
125 
126 /* Save the lower 32 VSRs in the thread VSR region */
127 #define SAVE_VSR(n,b,base)	li b,THREAD_VSR0+(16*(n));  STXVD2X(n,base,b)
128 #define SAVE_2VSRS(n,b,base)	SAVE_VSR(n,b,base); SAVE_VSR(n+1,b,base)
129 #define SAVE_4VSRS(n,b,base)	SAVE_2VSRS(n,b,base); SAVE_2VSRS(n+2,b,base)
130 #define SAVE_8VSRS(n,b,base)	SAVE_4VSRS(n,b,base); SAVE_4VSRS(n+4,b,base)
131 #define SAVE_16VSRS(n,b,base)	SAVE_8VSRS(n,b,base); SAVE_8VSRS(n+8,b,base)
132 #define SAVE_32VSRS(n,b,base)	SAVE_16VSRS(n,b,base); SAVE_16VSRS(n+16,b,base)
133 #define REST_VSR(n,b,base)	li b,THREAD_VSR0+(16*(n)); LXVD2X(n,base,b)
134 #define REST_2VSRS(n,b,base)	REST_VSR(n,b,base); REST_VSR(n+1,b,base)
135 #define REST_4VSRS(n,b,base)	REST_2VSRS(n,b,base); REST_2VSRS(n+2,b,base)
136 #define REST_8VSRS(n,b,base)	REST_4VSRS(n,b,base); REST_4VSRS(n+4,b,base)
137 #define REST_16VSRS(n,b,base)	REST_8VSRS(n,b,base); REST_8VSRS(n+8,b,base)
138 #define REST_32VSRS(n,b,base)	REST_16VSRS(n,b,base); REST_16VSRS(n+16,b,base)
139 /* Save the upper 32 VSRs (32-63) in the thread VSX region (0-31) */
140 #define SAVE_VSRU(n,b,base)	li b,THREAD_VR0+(16*(n));  STXVD2X(n+32,base,b)
141 #define SAVE_2VSRSU(n,b,base)	SAVE_VSRU(n,b,base); SAVE_VSRU(n+1,b,base)
142 #define SAVE_4VSRSU(n,b,base)	SAVE_2VSRSU(n,b,base); SAVE_2VSRSU(n+2,b,base)
143 #define SAVE_8VSRSU(n,b,base)	SAVE_4VSRSU(n,b,base); SAVE_4VSRSU(n+4,b,base)
144 #define SAVE_16VSRSU(n,b,base)	SAVE_8VSRSU(n,b,base); SAVE_8VSRSU(n+8,b,base)
145 #define SAVE_32VSRSU(n,b,base)	SAVE_16VSRSU(n,b,base); SAVE_16VSRSU(n+16,b,base)
146 #define REST_VSRU(n,b,base)	li b,THREAD_VR0+(16*(n)); LXVD2X(n+32,base,b)
147 #define REST_2VSRSU(n,b,base)	REST_VSRU(n,b,base); REST_VSRU(n+1,b,base)
148 #define REST_4VSRSU(n,b,base)	REST_2VSRSU(n,b,base); REST_2VSRSU(n+2,b,base)
149 #define REST_8VSRSU(n,b,base)	REST_4VSRSU(n,b,base); REST_4VSRSU(n+4,b,base)
150 #define REST_16VSRSU(n,b,base)	REST_8VSRSU(n,b,base); REST_8VSRSU(n+8,b,base)
151 #define REST_32VSRSU(n,b,base)	REST_16VSRSU(n,b,base); REST_16VSRSU(n+16,b,base)
152 
153 #define SAVE_EVR(n,s,base)	evmergehi s,s,n; stw s,THREAD_EVR0+4*(n)(base)
154 #define SAVE_2EVRS(n,s,base)	SAVE_EVR(n,s,base); SAVE_EVR(n+1,s,base)
155 #define SAVE_4EVRS(n,s,base)	SAVE_2EVRS(n,s,base); SAVE_2EVRS(n+2,s,base)
156 #define SAVE_8EVRS(n,s,base)	SAVE_4EVRS(n,s,base); SAVE_4EVRS(n+4,s,base)
157 #define SAVE_16EVRS(n,s,base)	SAVE_8EVRS(n,s,base); SAVE_8EVRS(n+8,s,base)
158 #define SAVE_32EVRS(n,s,base)	SAVE_16EVRS(n,s,base); SAVE_16EVRS(n+16,s,base)
159 #define REST_EVR(n,s,base)	lwz s,THREAD_EVR0+4*(n)(base); evmergelo n,s,n
160 #define REST_2EVRS(n,s,base)	REST_EVR(n,s,base); REST_EVR(n+1,s,base)
161 #define REST_4EVRS(n,s,base)	REST_2EVRS(n,s,base); REST_2EVRS(n+2,s,base)
162 #define REST_8EVRS(n,s,base)	REST_4EVRS(n,s,base); REST_4EVRS(n+4,s,base)
163 #define REST_16EVRS(n,s,base)	REST_8EVRS(n,s,base); REST_8EVRS(n+8,s,base)
164 #define REST_32EVRS(n,s,base)	REST_16EVRS(n,s,base); REST_16EVRS(n+16,s,base)
165 
166 /* Macros to adjust thread priority for hardware multithreading */
167 #define HMT_VERY_LOW	or	31,31,31	# very low priority
168 #define HMT_LOW		or	1,1,1
169 #define HMT_MEDIUM_LOW  or	6,6,6		# medium low priority
170 #define HMT_MEDIUM	or	2,2,2
171 #define HMT_MEDIUM_HIGH or	5,5,5		# medium high priority
172 #define HMT_HIGH	or	3,3,3
173 #define HMT_EXTRA_HIGH	or	7,7,7		# power7 only
174 
175 #ifdef __KERNEL__
176 #ifdef CONFIG_PPC64
177 
178 #define XGLUE(a,b) a##b
179 #define GLUE(a,b) XGLUE(a,b)
180 
181 #define _GLOBAL(name) \
182 	.section ".text"; \
183 	.align 2 ; \
184 	.globl name; \
185 	.globl GLUE(.,name); \
186 	.section ".opd","aw"; \
187 name: \
188 	.quad GLUE(.,name); \
189 	.quad .TOC.@tocbase; \
190 	.quad 0; \
191 	.previous; \
192 	.type GLUE(.,name),@function; \
193 GLUE(.,name):
194 
195 #define _INIT_GLOBAL(name) \
196 	__REF; \
197 	.align 2 ; \
198 	.globl name; \
199 	.globl GLUE(.,name); \
200 	.section ".opd","aw"; \
201 name: \
202 	.quad GLUE(.,name); \
203 	.quad .TOC.@tocbase; \
204 	.quad 0; \
205 	.previous; \
206 	.type GLUE(.,name),@function; \
207 GLUE(.,name):
208 
209 #define _KPROBE(name) \
210 	.section ".kprobes.text","a"; \
211 	.align 2 ; \
212 	.globl name; \
213 	.globl GLUE(.,name); \
214 	.section ".opd","aw"; \
215 name: \
216 	.quad GLUE(.,name); \
217 	.quad .TOC.@tocbase; \
218 	.quad 0; \
219 	.previous; \
220 	.type GLUE(.,name),@function; \
221 GLUE(.,name):
222 
223 #define _STATIC(name) \
224 	.section ".text"; \
225 	.align 2 ; \
226 	.section ".opd","aw"; \
227 name: \
228 	.quad GLUE(.,name); \
229 	.quad .TOC.@tocbase; \
230 	.quad 0; \
231 	.previous; \
232 	.type GLUE(.,name),@function; \
233 GLUE(.,name):
234 
235 #define _INIT_STATIC(name) \
236 	__REF; \
237 	.align 2 ; \
238 	.section ".opd","aw"; \
239 name: \
240 	.quad GLUE(.,name); \
241 	.quad .TOC.@tocbase; \
242 	.quad 0; \
243 	.previous; \
244 	.type GLUE(.,name),@function; \
245 GLUE(.,name):
246 
247 #else /* 32-bit */
248 
249 #define _ENTRY(n)	\
250 	.globl n;	\
251 n:
252 
253 #define _GLOBAL(n)	\
254 	.text;		\
255 	.stabs __stringify(n:F-1),N_FUN,0,0,n;\
256 	.globl n;	\
257 n:
258 
259 #define _KPROBE(n)	\
260 	.section ".kprobes.text","a";	\
261 	.globl	n;	\
262 n:
263 
264 #endif
265 
266 /*
267  * LOAD_REG_IMMEDIATE(rn, expr)
268  *   Loads the value of the constant expression 'expr' into register 'rn'
269  *   using immediate instructions only.  Use this when it's important not
270  *   to reference other data (i.e. on ppc64 when the TOC pointer is not
271  *   valid) and when 'expr' is a constant or absolute address.
272  *
273  * LOAD_REG_ADDR(rn, name)
274  *   Loads the address of label 'name' into register 'rn'.  Use this when
275  *   you don't particularly need immediate instructions only, but you need
276  *   the whole address in one register (e.g. it's a structure address and
277  *   you want to access various offsets within it).  On ppc32 this is
278  *   identical to LOAD_REG_IMMEDIATE.
279  *
280  * LOAD_REG_ADDRBASE(rn, name)
281  * ADDROFF(name)
282  *   LOAD_REG_ADDRBASE loads part of the address of label 'name' into
283  *   register 'rn'.  ADDROFF(name) returns the remainder of the address as
284  *   a constant expression.  ADDROFF(name) is a signed expression < 16 bits
285  *   in size, so is suitable for use directly as an offset in load and store
286  *   instructions.  Use this when loading/storing a single word or less as:
287  *      LOAD_REG_ADDRBASE(rX, name)
288  *      ld	rY,ADDROFF(name)(rX)
289  */
290 #ifdef __powerpc64__
291 #define LOAD_REG_IMMEDIATE(reg,expr)		\
292 	lis     (reg),(expr)@highest;		\
293 	ori     (reg),(reg),(expr)@higher;	\
294 	rldicr  (reg),(reg),32,31;		\
295 	oris    (reg),(reg),(expr)@h;		\
296 	ori     (reg),(reg),(expr)@l;
297 
298 #define LOAD_REG_ADDR(reg,name)			\
299 	ld	(reg),name@got(r2)
300 
301 #define LOAD_REG_ADDRBASE(reg,name)	LOAD_REG_ADDR(reg,name)
302 #define ADDROFF(name)			0
303 
304 /* offsets for stack frame layout */
305 #define LRSAVE	16
306 
307 #else /* 32-bit */
308 
309 #define LOAD_REG_IMMEDIATE(reg,expr)		\
310 	lis	(reg),(expr)@ha;		\
311 	addi	(reg),(reg),(expr)@l;
312 
313 #define LOAD_REG_ADDR(reg,name)		LOAD_REG_IMMEDIATE(reg, name)
314 
315 #define LOAD_REG_ADDRBASE(reg, name)	lis	(reg),name@ha
316 #define ADDROFF(name)			name@l
317 
318 /* offsets for stack frame layout */
319 #define LRSAVE	4
320 
321 #endif
322 
323 /* various errata or part fixups */
324 #ifdef CONFIG_PPC601_SYNC_FIX
325 #define SYNC				\
326 BEGIN_FTR_SECTION			\
327 	sync;				\
328 	isync;				\
329 END_FTR_SECTION_IFSET(CPU_FTR_601)
330 #define SYNC_601			\
331 BEGIN_FTR_SECTION			\
332 	sync;				\
333 END_FTR_SECTION_IFSET(CPU_FTR_601)
334 #define ISYNC_601			\
335 BEGIN_FTR_SECTION			\
336 	isync;				\
337 END_FTR_SECTION_IFSET(CPU_FTR_601)
338 #else
339 #define	SYNC
340 #define SYNC_601
341 #define ISYNC_601
342 #endif
343 
344 #ifdef CONFIG_PPC_CELL
345 #define MFTB(dest)			\
346 90:	mftb  dest;			\
347 BEGIN_FTR_SECTION_NESTED(96);		\
348 	cmpwi dest,0;			\
349 	beq-  90b;			\
350 END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96)
351 #else
352 #define MFTB(dest)			mftb dest
353 #endif
354 
355 #ifndef CONFIG_SMP
356 #define TLBSYNC
357 #else /* CONFIG_SMP */
358 /* tlbsync is not implemented on 601 */
359 #define TLBSYNC				\
360 BEGIN_FTR_SECTION			\
361 	tlbsync;			\
362 	sync;				\
363 END_FTR_SECTION_IFCLR(CPU_FTR_601)
364 #endif
365 
366 
367 /*
368  * This instruction is not implemented on the PPC 603 or 601; however, on
369  * the 403GCX and 405GP tlbia IS defined and tlbie is not.
370  * All of these instructions exist in the 8xx, they have magical powers,
371  * and they must be used.
372  */
373 
374 #if !defined(CONFIG_4xx) && !defined(CONFIG_8xx)
375 #define tlbia					\
376 	li	r4,1024;			\
377 	mtctr	r4;				\
378 	lis	r4,KERNELBASE@h;		\
379 0:	tlbie	r4;				\
380 	addi	r4,r4,0x1000;			\
381 	bdnz	0b
382 #endif
383 
384 
385 #ifdef CONFIG_IBM440EP_ERR42
386 #define PPC440EP_ERR42 isync
387 #else
388 #define PPC440EP_ERR42
389 #endif
390 
391 /*
392  * toreal/fromreal/tophys/tovirt macros. 32-bit BookE makes them
393  * keep the address intact to be compatible with code shared with
394  * 32-bit classic.
395  *
396  * On the other hand, I find it useful to have them behave as expected
397  * by their name (ie always do the addition) on 64-bit BookE
398  */
399 #if defined(CONFIG_BOOKE) && !defined(CONFIG_PPC64)
400 #define toreal(rd)
401 #define fromreal(rd)
402 
403 /*
404  * We use addis to ensure compatibility with the "classic" ppc versions of
405  * these macros, which use rs = 0 to get the tophys offset in rd, rather than
406  * converting the address in r0, and so this version has to do that too
407  * (i.e. set register rd to 0 when rs == 0).
408  */
409 #define tophys(rd,rs)				\
410 	addis	rd,rs,0
411 
412 #define tovirt(rd,rs)				\
413 	addis	rd,rs,0
414 
415 #elif defined(CONFIG_PPC64)
416 #define toreal(rd)		/* we can access c000... in real mode */
417 #define fromreal(rd)
418 
419 #define tophys(rd,rs)                           \
420 	clrldi	rd,rs,2
421 
422 #define tovirt(rd,rs)                           \
423 	rotldi	rd,rs,16;			\
424 	ori	rd,rd,((KERNELBASE>>48)&0xFFFF);\
425 	rotldi	rd,rd,48
426 #else
427 /*
428  * On APUS (Amiga PowerPC cpu upgrade board), we don't know the
429  * physical base address of RAM at compile time.
430  */
431 #define toreal(rd)	tophys(rd,rd)
432 #define fromreal(rd)	tovirt(rd,rd)
433 
434 #define tophys(rd,rs)				\
435 0:	addis	rd,rs,-PAGE_OFFSET@h;		\
436 	.section ".vtop_fixup","aw";		\
437 	.align  1;				\
438 	.long   0b;				\
439 	.previous
440 
441 #define tovirt(rd,rs)				\
442 0:	addis	rd,rs,PAGE_OFFSET@h;		\
443 	.section ".ptov_fixup","aw";		\
444 	.align  1;				\
445 	.long   0b;				\
446 	.previous
447 #endif
448 
449 #ifdef CONFIG_PPC_BOOK3S_64
450 #define RFI		rfid
451 #define MTMSRD(r)	mtmsrd	r
452 #else
453 #define FIX_SRR1(ra, rb)
454 #ifndef CONFIG_40x
455 #define	RFI		rfi
456 #else
457 #define RFI		rfi; b .	/* Prevent prefetch past rfi */
458 #endif
459 #define MTMSRD(r)	mtmsr	r
460 #define CLR_TOP32(r)
461 #endif
462 
463 #endif /* __KERNEL__ */
464 
465 /* The boring bits... */
466 
467 /* Condition Register Bit Fields */
468 
469 #define	cr0	0
470 #define	cr1	1
471 #define	cr2	2
472 #define	cr3	3
473 #define	cr4	4
474 #define	cr5	5
475 #define	cr6	6
476 #define	cr7	7
477 
478 
479 /* General Purpose Registers (GPRs) */
480 
481 #define	r0	0
482 #define	r1	1
483 #define	r2	2
484 #define	r3	3
485 #define	r4	4
486 #define	r5	5
487 #define	r6	6
488 #define	r7	7
489 #define	r8	8
490 #define	r9	9
491 #define	r10	10
492 #define	r11	11
493 #define	r12	12
494 #define	r13	13
495 #define	r14	14
496 #define	r15	15
497 #define	r16	16
498 #define	r17	17
499 #define	r18	18
500 #define	r19	19
501 #define	r20	20
502 #define	r21	21
503 #define	r22	22
504 #define	r23	23
505 #define	r24	24
506 #define	r25	25
507 #define	r26	26
508 #define	r27	27
509 #define	r28	28
510 #define	r29	29
511 #define	r30	30
512 #define	r31	31
513 
514 
515 /* Floating Point Registers (FPRs) */
516 
517 #define	fr0	0
518 #define	fr1	1
519 #define	fr2	2
520 #define	fr3	3
521 #define	fr4	4
522 #define	fr5	5
523 #define	fr6	6
524 #define	fr7	7
525 #define	fr8	8
526 #define	fr9	9
527 #define	fr10	10
528 #define	fr11	11
529 #define	fr12	12
530 #define	fr13	13
531 #define	fr14	14
532 #define	fr15	15
533 #define	fr16	16
534 #define	fr17	17
535 #define	fr18	18
536 #define	fr19	19
537 #define	fr20	20
538 #define	fr21	21
539 #define	fr22	22
540 #define	fr23	23
541 #define	fr24	24
542 #define	fr25	25
543 #define	fr26	26
544 #define	fr27	27
545 #define	fr28	28
546 #define	fr29	29
547 #define	fr30	30
548 #define	fr31	31
549 
550 /* AltiVec Registers (VPRs) */
551 
552 #define	vr0	0
553 #define	vr1	1
554 #define	vr2	2
555 #define	vr3	3
556 #define	vr4	4
557 #define	vr5	5
558 #define	vr6	6
559 #define	vr7	7
560 #define	vr8	8
561 #define	vr9	9
562 #define	vr10	10
563 #define	vr11	11
564 #define	vr12	12
565 #define	vr13	13
566 #define	vr14	14
567 #define	vr15	15
568 #define	vr16	16
569 #define	vr17	17
570 #define	vr18	18
571 #define	vr19	19
572 #define	vr20	20
573 #define	vr21	21
574 #define	vr22	22
575 #define	vr23	23
576 #define	vr24	24
577 #define	vr25	25
578 #define	vr26	26
579 #define	vr27	27
580 #define	vr28	28
581 #define	vr29	29
582 #define	vr30	30
583 #define	vr31	31
584 
585 /* VSX Registers (VSRs) */
586 
587 #define	vsr0	0
588 #define	vsr1	1
589 #define	vsr2	2
590 #define	vsr3	3
591 #define	vsr4	4
592 #define	vsr5	5
593 #define	vsr6	6
594 #define	vsr7	7
595 #define	vsr8	8
596 #define	vsr9	9
597 #define	vsr10	10
598 #define	vsr11	11
599 #define	vsr12	12
600 #define	vsr13	13
601 #define	vsr14	14
602 #define	vsr15	15
603 #define	vsr16	16
604 #define	vsr17	17
605 #define	vsr18	18
606 #define	vsr19	19
607 #define	vsr20	20
608 #define	vsr21	21
609 #define	vsr22	22
610 #define	vsr23	23
611 #define	vsr24	24
612 #define	vsr25	25
613 #define	vsr26	26
614 #define	vsr27	27
615 #define	vsr28	28
616 #define	vsr29	29
617 #define	vsr30	30
618 #define	vsr31	31
619 #define	vsr32	32
620 #define	vsr33	33
621 #define	vsr34	34
622 #define	vsr35	35
623 #define	vsr36	36
624 #define	vsr37	37
625 #define	vsr38	38
626 #define	vsr39	39
627 #define	vsr40	40
628 #define	vsr41	41
629 #define	vsr42	42
630 #define	vsr43	43
631 #define	vsr44	44
632 #define	vsr45	45
633 #define	vsr46	46
634 #define	vsr47	47
635 #define	vsr48	48
636 #define	vsr49	49
637 #define	vsr50	50
638 #define	vsr51	51
639 #define	vsr52	52
640 #define	vsr53	53
641 #define	vsr54	54
642 #define	vsr55	55
643 #define	vsr56	56
644 #define	vsr57	57
645 #define	vsr58	58
646 #define	vsr59	59
647 #define	vsr60	60
648 #define	vsr61	61
649 #define	vsr62	62
650 #define	vsr63	63
651 
652 /* SPE Registers (EVPRs) */
653 
654 #define	evr0	0
655 #define	evr1	1
656 #define	evr2	2
657 #define	evr3	3
658 #define	evr4	4
659 #define	evr5	5
660 #define	evr6	6
661 #define	evr7	7
662 #define	evr8	8
663 #define	evr9	9
664 #define	evr10	10
665 #define	evr11	11
666 #define	evr12	12
667 #define	evr13	13
668 #define	evr14	14
669 #define	evr15	15
670 #define	evr16	16
671 #define	evr17	17
672 #define	evr18	18
673 #define	evr19	19
674 #define	evr20	20
675 #define	evr21	21
676 #define	evr22	22
677 #define	evr23	23
678 #define	evr24	24
679 #define	evr25	25
680 #define	evr26	26
681 #define	evr27	27
682 #define	evr28	28
683 #define	evr29	29
684 #define	evr30	30
685 #define	evr31	31
686 
687 /* some stab codes */
688 #define N_FUN	36
689 #define N_RSYM	64
690 #define N_SLINE	68
691 #define N_SO	100
692 
693 #endif /*  __ASSEMBLY__ */
694 
695 #endif /* _ASM_POWERPC_PPC_ASM_H */
696