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Root/branches/rewrite/i386/include/architecture/ppc/pseudo_inst.h

Source at commit 1129 created 12 years 11 months ago.
By meklort, Change options.o so that it reloads the system config as well. Also change it so that it uses that config for variables (NOTE: if the calue exists in chameleonConfig, it's used instead.
1/*␊
2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.␊
3 *␊
4 * @APPLE_LICENSE_HEADER_START@␊
5 * ␊
6 * This file contains Original Code and/or Modifications of Original Code␊
7 * as defined in and that are subject to the Apple Public Source License␊
8 * Version 2.0 (the 'License'). You may not use this file except in␊
9 * compliance with the License. Please obtain a copy of the License at␊
10 * http://www.opensource.apple.com/apsl/ and read it before using this␊
11 * file.␊
12 * ␊
13 * The Original Code and all software distributed under the License are␊
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊
18 * Please see the License for the specific language governing rights and␊
19 * limitations under the License.␊
20 * ␊
21 * @APPLE_LICENSE_HEADER_END@␊
22 */␊
23/* Copyright (c) 1996 NeXT Software, Inc. All rights reserved.␊
24 *␊
25 *␉File:␉architecture/ppc/pseudo_inst.h␊
26 *␉Author:␉Mike DeMoney␊
27 *␊
28 *␉This header file defines assembler pseudo-instruction macros for␊
29 *␉for the ppc.␊
30 *␊
31 *␉NOTE: This is obviously only useful to include in assembly␊
32 *␉code source.␊
33 *␊
34 *␉ALSO NOTE: These macros don't attempt to be 64-bit compatable␊
35 *␊
36 * HISTORY␊
37 * 29-Dec-96 Umesh Vaishampayan (umeshv@NeXT.com)␊
38 *␉Ported from m98k.␊
39 * 05-Nov-92 Mike DeMoney (mike@next.com)␊
40 *␉Created.␊
41 */␊
42␊
43#ifndef␉_ARCH_PPC_PSEUDO_INST_H_␊
44#define␉_ARCH_PPC_PSEUDO_INST_H_␊
45␊
46#include <architecture/ppc/reg_help.h>␊
47#include <architecture/ppc/asm_help.h>␊
48␊
49#ifdef␉__ASSEMBLER__␊
50␊
51/*␊
52 * Pseudo instruction definitions␊
53 */␊
54␊
55/*␊
56 * Macro package initialization␊
57 */␊
58␉.set␉__no_at,0␉␉/* allow at by default */␊
59␊
60/*␊
61 * .at_off -- disable use of at by macros␊
62 * .at_on -- enable use of at by macros␊
63 */␊
64.macro␉.at_off␊
65␉.set␉__no_at,1␊
66.endmacro␊
67␊
68.macro␉.at_on␊
69␉.set␉__no_at,0␊
70.endmacro␊
71␊
72/*␊
73 * li32␉rD,IMMED␊
74 *␊
75 * Load 32-bit immediate into rD␊
76 * FIXME: Need a way to undefine built-in macro for this.␊
77 */␊
78.macro␉li32␉␉␉␉// li32␉rD,immed␊
79.if␉$n != 2␊
80␉.abort␉"invalid operands of li32"␊
81.endif␊
82.abs␉__is_abs,$1␊
83.if␉!__is_abs␊
84␉addis␉$0,0,hi16($1)␊
85␉ori␉$0,$0,lo16($1)␊
86.elseif␉$1 == 0␊
87␉addi␉$0,0,0␊
88.elseif␉($1 & 0xffff) == 0␊
89␉addis␉$0,0,hi16($1)␊
90.elseif␉($1 & 0xffff8000) == 0␊
91␉addi␉$0,0,$1␊
92.elseif ($1 & 0xffff8000) == 0xffff8000␊
93␉addi␉$0,0,$1␊
94.else␊
95␉addis␉$0,0,hi16($1)␊
96␉ori␉$0,$0,lo16($1)␊
97.endif␊
98.endmacro␊
99 ␊
100␊
101/*␊
102 * andi32. rD,rS1,IMMED␊
103 *␊
104 * Perform "andi." with (possibly) 32-bit immediate␊
105 */␊
106.macro␉andi32.␉␉␉␉// andi32. rD,rS1,IMMED␊
107.if␉$n != 3␊
108␉.abort␉"invalid operands of andi."␊
109.endif␊
110␉.set␉__used_at,0␊
111.abs␉__is_abs,$2␊
112.if␉!__is_abs␊
113␉.set␉__used_at,1␊
114␉li32␉at,$2␊
115␉and.␉$0,$1,at␊
116.elseif␉($2 & 0xffff0000) == 0␊
117␉andi.␉$0,$1,$2␊
118.elseif␉($2 & 0xffff) == 0␊
119␉andis.␉$0,$1,hi16($2)␊
120.else␊
121␉.set␉__used_at,1␊
122␉li32␉at,$2␊
123␉and.␉$0,$1,at␊
124.endif␊
125.if␉__no_at & __used_at␊
126␉.abort␉"Macro uses at while .no_at in effect"␊
127.endif␊
128.endmacro␊
129 ␊
130/*␊
131 * ori32␉rD,rS1,IMMED␊
132 *␊
133 * Perform "ori" with (possibly) 32-bit immediate␊
134 */␊
135.macro␉ori32␉␉␉␉// ori32␉rD,rS1,IMMED␊
136.if␉$n != 3␊
137␉.abort␉"invalid operands of ori"␊
138.endif␊
139.abs␉__is_abs,$2␊
140.if␉!__is_abs␊
141␉oris␉$0,$1,hi16($2)␊
142␉ori␉$0,$1,lo16($2)␊
143.elseif␉($2 & 0xffff0000) == 0␊
144␉ori␉$0,$1,$2␊
145.elseif␉($2 & 0xffff) == 0␊
146␉oris␉$0,$1,hi16($2)␊
147.else␊
148␉oris␉$0,$1,hi16($2)␊
149␉ori␉$0,$1,lo16($2)␊
150.endif␊
151.endmacro␊
152 ␊
153/*␊
154 * xori32␉rD,rS1,IMMED␊
155 *␊
156 * Perform "xor" with (possibly) 32-bit immediate␊
157 */␊
158.macro␉xori32␉␉␉␉// xori32␉rD,rS1,IMMED␊
159.if␉$n != 3␊
160␉.abort␉"invalid operands of xori"␊
161.endif␊
162.abs␉__is_abs,$2␊
163.if␉!__is_abs␊
164␉xoris␉$0,$1,hi16($2)␊
165␉xori␉$0,$1,lo16($2)␊
166.elseif␉($2 & 0xffff0000) == 0␊
167␉xori␉$0,$1,$2␊
168.elseif␉($2 & 0xffff) == 0␊
169␉xoris␉$0,$1,hi16($2)␊
170.else␊
171␉xoris␉$0,$1,hi16($2)␊
172␉xori␉$0,$1,lo16($2)␊
173.endif␊
174.endmacro␊
175␊
176␊
177/*␊
178 * MEMREF_INST -- macros to memory referencing instructions␊
179 * "capable" of dealing with 32 bit offsets.␊
180 *␊
181 * NOTE: Because the assembler doesn't have any mechanism for easily␊
182 * parsing the d(rS) syntax of register-displacement form instructions,␊
183 * these instructions do NOT mirror the normal memory reference␊
184 * instructions. The following "transformation" is used:␊
185 *␉lbz␉rD,d(rS)␊
186 * becomes:␊
187 *␉lbz32␉rD,rS,d␊
188 * I.e.: "32" is appended to the instruction name and the base register␊
189 * and displacement become the 2'nd and 3'rd comma-separated operands.␊
190 *␊
191 * The forms:␊
192 *␉lbz32␉rD,d␊
193 * and:␊
194 *␉lbz32␉rD,rS␊
195 * are also recognized and the missing operand is assumed 0.␊
196 *␊
197 * ALSO NOTE: r0 or zt should never be used as rS in these instructions.␊
198 * Use "0" as rS in this case.␊
199 */␊
200#define␉MEMREF_INST(op)␉␉␉␉␉␉\␊
201.macro␉op ## 32␉␉␉␉␉␉@\␊
202.set␉__used_at,0␉␉␉␉␉␉@\␊
203.if␉$n == 3␉␉␉␉␉␉␉@\␊
204 .greg␉__is_greg,$1␉␉␉␉␉␉@\␊
205 .abs␉__is_abs,$2␉␉␉␉␉␉@\␊
206 .if␉__is_abs␉␉␉␉␉␉@\␊
207 .if␉($2 & 0xffff8000) == 0␉␉␉␉␉@\␊
208␉op␉$0,$2($1)␉␉␉␉␉@\␊
209 .elseif ($2 & 0xffff8000) == 0xffff8000␉␉␉@\␊
210␉op␉$0,$2($1)␉␉␉␉␉@\␊
211 .else␉␉␉␉␉␉␉␉@\␊
212 .if␉!__is_greg␉␉␉␉␉␉@\␊
213␉.set␉__used_at,1␉␉␉␉␉@\␊
214␉lis␉at,ha16($2)␉␉␉␉␉@\␊
215␉op␉$0,lo16($2)(at)␉␉␉␉␉@\␊
216 .else␉␉␉␉␉␉␉@\␊
217 ␉.set␉__used_at,1␉␉␉␉␉@\␊
218␉lis␉at,ha16($2)␉␉␉␉␉@\␊
219␉add␉at,at,$1␉␉␉␉␉@\␊
220␉op␉$0,lo16($2)(at)␉␉␉␉␉@\␊
221 .endif␉␉␉␉␉␉␉@\␊
222 .endif␉␉␉␉␉␉␉@\␊
223 .else␉␉␉␉␉␉␉␉@\␊
224 .if␉!__is_greg␉␉␉␉␉␉@\␊
225␉.set␉__used_at,1␉␉␉␉␉@\␊
226␉lis␉at,ha16($2)␉␉␉␉␉@\␊
227␉op␉$0,lo16($2)(at)␉␉␉␉␉@\␊
228 .else␉␉␉␉␉␉␉␉@\␊
229 ␉.set␉__used_at,1␉␉␉␉␉@\␊
230␉lis␉at,ha16($2)␉␉␉␉␉@\␊
231␉add␉at,at,$1␉␉␉␉␉@\␊
232␉op␉$0,lo16($2)(at)␉␉␉␉␉@\␊
233 .endif␉␉␉␉␉␉␉@\␊
234 .endif␉␉␉␉␉␉␉␉@\␊
235.elseif␉$n == 2␉␉␉␉␉␉␉@\␊
236 .greg␉__is_greg,$1␉␉␉␉␉␉@\␊
237 .if␉!__is_greg␉␉␉␉␉␉@\␊
238 .abs␉__is_abs,$1␉␉␉␉␉␉@\␊
239 .if␉__is_abs␉␉␉␉␉␉@\␊
240 .if␉($1 & 0xffff8000) == 0␉␉␉␉␉@\␊
241␉op␉$0,$1(0)␉␉␉␉␉@\␊
242 .elseif ($1 & 0xffff8000) == 0xffff8000␉␉␉@\␊
243␉op␉$0,$1(0)␉␉␉␉␉@\␊
244 .else␉␉␉␉␉␉␉@\␊
245␉.set␉__used_at,1␉␉␉␉␉@\␊
246␉lis␉at,ha16($1)␉␉␉␉␉@\␊
247␉op␉$0,lo16($1)(at)␉␉␉␉␉@\␊
248 .endif␉␉␉␉␉␉␉@\␊
249 .else␉␉␉␉␉␉␉␉@\␊
250␉.set␉__used_at,1␉␉␉␉␉@\␊
251␉lis␉at,ha16($1)␉␉␉␉␉@\␊
252␉op␉$0,lo16($1)(at)␉␉␉␉␉@\␊
253 .endif␉␉␉␉␉␉␉@\␊
254 .else␉␉␉␉␉␉␉␉@\␊
255␉op␉$0,0($1)␉␉␉␉␉@\␊
256 .endif␉␉␉␉␉␉␉␉@\␊
257.else␉␉␉␉␉␉␉␉@\␊
258␉.abort "Invalid operands of " #op "32"␉␉␉@\␊
259.endif␉␉␉␉␉␉␉␉@\␊
260.if␉__no_at & __used_at␉␉␉␉␉@\␊
261␉.abort␉"Macro uses at while .no_at in effect"␉␉@\␊
262.endif␉␉␉␉␉␉␉␉@\␊
263.endmacro␊
264␊
265MEMREF_INST(lbz)␊
266MEMREF_INST(lhz)␊
267MEMREF_INST(lha)␊
268MEMREF_INST(lwz)␊
269MEMREF_INST(lwa)␊
270MEMREF_INST(ld)␊
271␊
272MEMREF_INST(stb)␊
273MEMREF_INST(sth)␊
274MEMREF_INST(stw)␊
275MEMREF_INST(std)␊
276␊
277MEMREF_INST(lmw)␊
278MEMREF_INST(lmd)␊
279MEMREF_INST(stmw)␊
280MEMREF_INST(stmd)␊
281␊
282/*␊
283 * ARITH_INST -- define 32-bit immediate forms of arithmetic␊
284 * instructions␊
285 *␊
286 *␉E.g.␉addi32␉rD,rS,IMMED␊
287 */␊
288#define␉ARITH_INST(op, op3)␉␉␉␉␉\␊
289.macro␉op ## 32␉␉␉␉␉␉@\␊
290.if␉$n != 3␉␉␉␉␉␉␉@\␊
291␉.abort␉"invalid operands to " #op "32"␉␉␉@\␊
292.endif␉␉␉␉␉␉␉␉@\␊
293.abs␉__is_abs,$2␉␉␉␉␉␉@\␊
294.if␉__is_abs␉␉␉␉␉␉@\␊
295 .if␉($2 & 0xffff8000) == 0␉␉␉␉␉@\␊
296␉op␉$0,$1,$2␉␉␉␉␉@\␊
297 .elseif␉($2 & 0xffff8000) == 0xffff8000␉␉␉@\␊
298␉op␉$0,$1,$2␉␉␉␉␉@\␊
299 .elseif␉__no_at␉␉␉␉␉␉@\␊
300␉.abort␉"Macro uses at while .no_at in effect"␉␉@\␊
301 .else␉␉␉␉␉␉␉␉@\␊
302␉li32␉at,$2␉␉␉␉␉␉@\␊
303␉op3␉$0,$1,at␉␉␉␉␉@\␊
304 .endif␉␉␉␉␉␉␉␉@\␊
305.elseif␉__no_at␉␉␉␉␉␉␉@\␊
306␉.abort␉"Macro uses at while .no_at in effect"␉␉@\␊
307.else␉␉␉␉␉␉␉␉@\␊
308␉li32␉at,$2␉␉␉␉␉␉@\␊
309␉op3␉$0,$1,at␉␉␉␉␉@\␊
310.endif␉␉␉␉␉␉␉␉@\␊
311.endmacro␊
312␊
313ARITH_INST(addi, add)␊
314ARITH_INST(subi, sub)␊
315ARITH_INST(addic, addc)␊
316ARITH_INST(subic, subc)␊
317ARITH_INST(mulli, mull)␊
318␊
319/*␊
320 * COND_ARITH_INST -- define 32-bit immediate forms of arithmetic␊
321 * instructions that set bits in the condition register␊
322 *␊
323 *␉E.g.␉addic32.␉rD,rS,IMMED␊
324 */␊
325#define␉COND_ARITH_INST(name, op, op3)␉␉␉␉␉\␊
326.macro␉name␉␉␉␉␉␉@\␊
327.if␉$n != 3␉␉␉␉␉␉␉@\␊
328␉.abort␉"invalid operands to " #name␉␉␉@\␊
329.endif␉␉␉␉␉␉␉␉@\␊
330.abs␉__is_abs,$2␉␉␉␉␉␉@\␊
331.if␉__is_abs␉␉␉␉␉␉@\␊
332 .if␉($2 & 0xffff8000) == 0␉␉␉␉␉@\␊
333␉op␉$0,$1,$2␉␉␉␉␉@\␊
334 .elseif␉($2 & 0xffff8000) == 0xffff8000␉␉␉@\␊
335␉op␉$0,$1,$2␉␉␉␉␉@\␊
336 .elseif␉__no_at␉␉␉␉␉␉@\␊
337␉.abort␉"Macro uses at while .no_at in effect"␉␉@\␊
338 .else␉␉␉␉␉␉␉␉@\␊
339␉li32␉at,$2␉␉␉␉␉␉@\␊
340␉op3␉$0,$1,at␉␉␉␉␉@\␊
341 .endif␉␉␉␉␉␉␉␉@\␊
342.elseif␉__no_at␉␉␉␉␉␉␉@\␊
343␉.abort␉"Macro uses at while .no_at in effect"␉␉@\␊
344.else␉␉␉␉␉␉␉␉@\␊
345␉li32␉at,$2␉␉␉␉␉␉@\␊
346␉op3␉$0,$1,at␉␉␉␉␉@\␊
347.endif␉␉␉␉␉␉␉␉@\␊
348.endmacro␊
349␊
350COND_ARITH_INST(addic32., addic., addc.)␊
351COND_ARITH_INST(subic32., subic., subc.)␊
352␊
353/*␊
354 * CMPEX_INST -- define 32-bit immediate forms of extended compare␊
355 * instructions␊
356 *␊
357 *␉E.g.␉cmpwi32␉cr3,rS,IMMED␊
358 *␉␉cmpwi32␉rS,IMMED␊
359 */␊
360#define␉CMPEX_INST(op, op3)␉␉␉␉␉\␊
361.macro␉op ## 32␉␉␉␉␉␉@\␊
362.if␉$n == 3␉␉␉␉␉␉␉@\␊
363 .abs␉__is_abs,$2␉␉␉␉␉␉@\␊
364 .if␉__is_abs␉␉␉␉␉␉@\␊
365 .if␉($2 & 0xffff8000) == 0␉␉␉␉␉@\␊
366␉op␉$0,$1,$2␉␉␉␉␉@\␊
367 .elseif␉($2 & 0xffff8000) == 0xffff8000␉␉␉@\␊
368␉op␉$0,$1,$2␉␉␉␉␉@\␊
369 .elseif␉__no_at␉␉␉␉␉␉@\␊
370␉.abort␉"Macro uses at while .no_at in effect"␉␉@\␊
371 .else␉␉␉␉␉␉␉␉@\␊
372␉li32␉at,$2␉␉␉␉␉␉@\␊
373␉op3␉$0,$1,at␉␉␉␉␉@\␊
374 .endif␉␉␉␉␉␉␉@\␊
375 .elseif␉__no_at␉␉␉␉␉␉@\␊
376␉.abort␉"Macro uses at while .no_at in effect"␉␉@\␊
377 .else␉␉␉␉␉␉␉␉@\␊
378␉li32␉at,$2␉␉␉␉␉␉@\␊
379␉op3␉$0,$1,at␉␉␉␉␉@\␊
380 .endif␉␉␉␉␉␉␉␉@\␊
381.elseif␉$n == 2␉␉␉␉␉␉␉@\␊
382 .abs␉__is_abs,$1␉␉␉␉␉␉@\␊
383 .if␉__is_abs␉␉␉␉␉␉@\␊
384 .if␉($1 & 0xffff8000) == 0␉␉␉␉␉@\␊
385␉op␉$0,$1␉␉␉␉␉␉@\␊
386 .elseif␉($1 & 0xffff8000) == 0xffff8000␉␉␉@\␊
387␉op␉$0,$1␉␉␉␉␉␉@\␊
388 .elseif␉__no_at␉␉␉␉␉␉@\␊
389␉.abort␉"Macro uses at while .no_at in effect"␉␉@\␊
390 .else␉␉␉␉␉␉␉␉@\␊
391␉li32␉at,$1␉␉␉␉␉␉@\␊
392␉op3␉$0,at␉␉␉␉␉␉@\␊
393 .endif␉␉␉␉␉␉␉@\␊
394 .elseif␉__no_at␉␉␉␉␉␉@\␊
395␉.abort␉"Macro uses at while .no_at in effect"␉␉@\␊
396 .else␉␉␉␉␉␉␉␉@\␊
397␉li32␉at,$1␉␉␉␉␉␉@\␊
398␉op3␉$0,at␉␉␉␉␉␉@\␊
399 .endif␉␉␉␉␉␉␉␉@\␊
400.else␉␉␉␉␉␉␉␉@\␊
401␉.abort␉"invalid operands to " #op "32"␉␉␉@\␊
402.endif␉␉␉␉␉␉␉␉@\␊
403.endmacro␊
404␊
405CMPEX_INST(cmpdi, cmpd)␊
406CMPEX_INST(cmpwi, cmpw)␊
407CMPEX_INST(cmpldi, cmpld)␊
408CMPEX_INST(cmplwi, cmplw)␊
409␊
410/*␊
411 * CMP_INST -- define 32-bit immediate forms of standard compare␊
412 * instructions␊
413 *␊
414 *␉E.g.␉cmpi32␉cr3,0,rS,IMMED␊
415 */␊
416#define␉CMP_INST(op, op3)␉␉␉␉␉\␊
417.macro␉op ## 32␉␉␉␉␉␉@\␊
418.if␉$n == 4␉␉␉␉␉␉␉@\␊
419 .abs␉__is_abs,$3␉␉␉␉␉␉@\␊
420 .if␉__is_abs␉␉␉␉␉␉@\␊
421 .if␉($3 & 0xffff8000) == 0␉␉␉␉␉@\␊
422␉op␉$0,$1,$2,$3␉␉␉␉␉@\␊
423 .elseif␉($3 & 0xffff8000) == 0xffff8000␉␉␉@\␊
424␉op␉$0,$1,$2,$3␉␉␉␉␉@\␊
425 .elseif␉__no_at␉␉␉␉␉␉@\␊
426␉.abort␉"Macro uses at while .no_at in effect"␉␉@\␊
427 .else␉␉␉␉␉␉␉␉@\␊
428␉li32␉at,$3␉␉␉␉␉␉@\␊
429␉op3␉$0,$1,$2,at␉␉␉␉␉@\␊
430 .endif␉␉␉␉␉␉␉@\␊
431 .elseif␉__no_at␉␉␉␉␉␉@\␊
432␉.abort␉"Macro uses at while .no_at in effect"␉␉@\␊
433 .else␉␉␉␉␉␉␉␉@\␊
434␉li32␉at,$3␉␉␉␉␉␉@\␊
435␉op3␉$0,$1,$2,at␉␉␉␉␉@\␊
436 .endif␉␉␉␉␉␉␉␉@\␊
437.else␉␉␉␉␉␉␉␉@\␊
438␉.abort␉"invalid operands to " #op "32"␉␉␉@\␊
439.endif␉␉␉␉␉␉␉␉@\␊
440.endmacro␊
441␊
442CMP_INST(cmpi, cmp)␊
443CMP_INST(cmpli, cmpl)␊
444␊
445#endif␉/* __ASSEMBLER__ */␊
446␊
447#endif␉/* _ARCH_PPC_PSEUDO_INST_H_ */␊
448

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