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root/cebix/BasiliskII/src/uae_cpu/compiler/compemu.h
Revision: 1.13
Committed: 2006-01-16T21:31:08Z (18 years, 10 months ago) by gbeauche
Content type: text/plain
Branch: MAIN
CVS Tags: nigel-build-19
Changes since 1.12: +0 -7 lines
Log Message:
JIT generated code is not guaranteed to be leaf, e.g. there could be a call
to a generic instruction handler (untranslated code). This caused problems
on MacOS X for Intel where the unaligned stack conditions turned out to be
more visible. Performance loss is really neglectable and this is the right
fix now anyway.

File Contents

# User Rev Content
1 gbeauche 1.5 /*
2     * compiler/compemu.h - Public interface and definitions
3     *
4     * Original 68040 JIT compiler for UAE, copyright 2000-2002 Bernd Meyer
5     *
6 gbeauche 1.12 * Adaptation for Basilisk II and improvements, copyright 2000-2005
7 gbeauche 1.5 * Gwenole Beauchesne
8     *
9 gbeauche 1.12 * Basilisk II (C) 1997-2005 Christian Bauer
10 gbeauche 1.5 *
11     * This program is free software; you can redistribute it and/or modify
12     * it under the terms of the GNU General Public License as published by
13     * the Free Software Foundation; either version 2 of the License, or
14     * (at your option) any later version.
15     *
16     * This program is distributed in the hope that it will be useful,
17     * but WITHOUT ANY WARRANTY; without even the implied warranty of
18     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19     * GNU General Public License for more details.
20     *
21     * You should have received a copy of the GNU General Public License
22     * along with this program; if not, write to the Free Software
23     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24     */
25    
26 gbeauche 1.1 #ifndef COMPEMU_H
27     #define COMPEMU_H
28    
29     #include "newcpu.h"
30    
31     #if USE_JIT
32    
33     #if JIT_DEBUG
34     /* dump some information (m68k block, x86 block addresses) about the compiler state */
35     extern void compiler_dumpstate(void);
36     #endif
37    
38     /* Now that we do block chaining, and also have linked lists on each tag,
39     TAGMASK can be much smaller and still do its job. Saves several megs
40     of memory! */
41     #define TAGMASK 0x0000ffff
42     #define TAGSIZE (TAGMASK+1)
43     #define MAXRUN 1024
44 gbeauche 1.10 #define cacheline(x) (((uintptr)x)&TAGMASK)
45 gbeauche 1.1
46     extern uae_u8* start_pc_p;
47     extern uae_u32 start_pc;
48    
49     struct blockinfo_t;
50    
51     struct cpu_history {
52     uae_u16 * location;
53     };
54    
55     union cacheline {
56     cpuop_func * handler;
57     blockinfo_t * bi;
58     };
59    
60 gbeauche 1.7 /* Use new spill/reload strategy when calling external functions */
61     #define USE_OPTIMIZED_CALLS 0
62     #if USE_OPTIMIZED_CALLS
63     #error implementation in progress
64     #endif
65    
66 gbeauche 1.1 /* (gb) When on, this option can save save up to 30% compilation time
67     * when many lazy flushes occur (e.g. apps in MacOS 8.x).
68     */
69     #define USE_SEPARATE_BIA 1
70    
71 gbeauche 1.2 /* Use chain of checksum_info_t to compute the block checksum */
72 gbeauche 1.4 #define USE_CHECKSUM_INFO 1
73 gbeauche 1.2
74 gbeauche 1.3 /* Use code inlining, aka follow-up of constant jumps */
75 gbeauche 1.4 #define USE_INLINING 1
76    
77     /* Inlining requires the chained checksuming information */
78     #if USE_INLINING
79     #undef USE_CHECKSUM_INFO
80     #define USE_CHECKSUM_INFO 1
81     #endif
82 gbeauche 1.3
83 gbeauche 1.8 /* Does flush_icache_range() only check for blocks falling in the requested range? */
84     #define LAZY_FLUSH_ICACHE_RANGE 0
85    
86 gbeauche 1.1 #define USE_F_ALIAS 1
87     #define USE_OFFSET 1
88     #define COMP_DEBUG 1
89    
90     #if COMP_DEBUG
91     #define Dif(x) if (x)
92     #else
93     #define Dif(x) if (0)
94     #endif
95    
96     #define SCALE 2
97    
98     #define BYTES_PER_INST 10240 /* paranoid ;-) */
99     #define LONGEST_68K_INST 16 /* The number of bytes the longest possible
100     68k instruction takes */
101     #define MAX_CHECKSUM_LEN 2048 /* The maximum size we calculate checksums
102     for. Anything larger will be flushed
103     unconditionally even with SOFT_FLUSH */
104     #define MAX_HOLD_BI 3 /* One for the current block, and up to two
105     for jump targets */
106    
107     #define INDIVIDUAL_INST 0
108     #if 1
109     // gb-- my format from readcpu.cpp is not the same
110     #define FLAG_X 0x0010
111     #define FLAG_N 0x0008
112     #define FLAG_Z 0x0004
113     #define FLAG_V 0x0002
114     #define FLAG_C 0x0001
115     #else
116     #define FLAG_C 0x0010
117     #define FLAG_V 0x0008
118     #define FLAG_Z 0x0004
119     #define FLAG_N 0x0002
120     #define FLAG_X 0x0001
121     #endif
122     #define FLAG_CZNV (FLAG_C | FLAG_Z | FLAG_N | FLAG_V)
123     #define FLAG_ZNV (FLAG_Z | FLAG_N | FLAG_V)
124    
125     #define KILLTHERAT 1 /* Set to 1 to avoid some partial_rat_stalls */
126    
127 gbeauche 1.10 #if defined(__x86_64__)
128     #define N_REGS 16 /* really only 15, but they are numbered 0-3,5-15 */
129     #else
130 gbeauche 1.1 #define N_REGS 8 /* really only 7, but they are numbered 0,1,2,3,5,6,7 */
131 gbeauche 1.10 #endif
132 gbeauche 1.1 #define N_FREGS 6 /* That leaves us two positions on the stack to play with */
133    
134     /* Functions exposed to newcpu, or to what was moved from newcpu.c to
135     * compemu_support.c */
136     extern void compiler_init(void);
137     extern void compiler_exit(void);
138     extern bool compiler_use_jit(void);
139     extern void init_comp(void);
140     extern void flush(int save_regs);
141     extern void small_flush(int save_regs);
142     extern void set_target(uae_u8* t);
143     extern uae_u8* get_target(void);
144     extern void freescratch(void);
145     extern void build_comp(void);
146     extern void set_cache_state(int enabled);
147     extern int get_cache_state(void);
148     extern uae_u32 get_jitted_size(void);
149     extern void (*flush_icache)(int n);
150     extern void alloc_cache(void);
151     extern int check_for_cache_miss(void);
152    
153     /* JIT FPU compilation */
154     extern void comp_fpp_opp (uae_u32 opcode, uae_u16 extra);
155     extern void comp_fbcc_opp (uae_u32 opcode);
156     extern void comp_fscc_opp (uae_u32 opcode, uae_u16 extra);
157    
158     extern uae_u32 needed_flags;
159     extern cacheline cache_tags[];
160     extern uae_u8* comp_pc_p;
161     extern void* pushall_call_handler;
162    
163     #define VREGS 32
164     #define VFREGS 16
165    
166     #define INMEM 1
167     #define CLEAN 2
168     #define DIRTY 3
169     #define UNDEF 4
170     #define ISCONST 5
171    
172     typedef struct {
173     uae_u32* mem;
174     uae_u32 val;
175     uae_u8 is_swapped;
176     uae_u8 status;
177     uae_s8 realreg; /* gb-- realreg can hold -1 */
178     uae_u8 realind; /* The index in the holds[] array */
179     uae_u8 needflush;
180     uae_u8 validsize;
181     uae_u8 dirtysize;
182     uae_u8 dummy;
183     } reg_status;
184    
185     typedef struct {
186     uae_u32* mem;
187     double val;
188     uae_u8 status;
189     uae_s8 realreg; /* gb-- realreg can hold -1 */
190     uae_u8 realind;
191     uae_u8 needflush;
192     } freg_status;
193    
194     #define PC_P 16
195     #define FLAGX 17
196     #define FLAGTMP 18
197     #define NEXT_HANDLER 19
198     #define S1 20
199     #define S2 21
200     #define S3 22
201     #define S4 23
202     #define S5 24
203     #define S6 25
204     #define S7 26
205     #define S8 27
206     #define S9 28
207     #define S10 29
208     #define S11 30
209     #define S12 31
210    
211     #define FP_RESULT 8
212     #define FS1 9
213     #define FS2 10
214     #define FS3 11
215    
216     typedef struct {
217     uae_u32 touched;
218     uae_s8 holds[VREGS];
219     uae_u8 nholds;
220     uae_u8 canbyte;
221     uae_u8 canword;
222     uae_u8 locked;
223     } n_status;
224    
225     typedef struct {
226     uae_u32 touched;
227     uae_s8 holds[VFREGS];
228     uae_u8 nholds;
229     uae_u8 locked;
230     } fn_status;
231    
232     /* For flag handling */
233     #define NADA 1
234     #define TRASH 2
235     #define VALID 3
236    
237     /* needflush values */
238     #define NF_SCRATCH 0
239     #define NF_TOMEM 1
240     #define NF_HANDLER 2
241    
242     typedef struct {
243     /* Integer part */
244     reg_status state[VREGS];
245     n_status nat[N_REGS];
246     uae_u32 flags_on_stack;
247     uae_u32 flags_in_flags;
248     uae_u32 flags_are_important;
249     /* FPU part */
250     freg_status fate[VFREGS];
251     fn_status fat[N_FREGS];
252    
253     /* x86 FPU part */
254     uae_s8 spos[N_FREGS];
255     uae_s8 onstack[6];
256     uae_s8 tos;
257     } bigstate;
258    
259     typedef struct {
260     /* Integer part */
261     char virt[VREGS];
262     char nat[N_REGS];
263     } smallstate;
264    
265     extern bigstate live;
266     extern int touchcnt;
267    
268    
269     #define IMM uae_s32
270     #define R1 uae_u32
271     #define R2 uae_u32
272     #define R4 uae_u32
273     #define W1 uae_u32
274     #define W2 uae_u32
275     #define W4 uae_u32
276     #define RW1 uae_u32
277     #define RW2 uae_u32
278     #define RW4 uae_u32
279     #define MEMR uae_u32
280     #define MEMW uae_u32
281     #define MEMRW uae_u32
282    
283     #define FW uae_u32
284     #define FR uae_u32
285     #define FRW uae_u32
286    
287     #define MIDFUNC(nargs,func,args) void func args
288     #define MENDFUNC(nargs,func,args)
289     #define COMPCALL(func) func
290    
291     #define LOWFUNC(flags,mem,nargs,func,args) static __inline__ void func args
292     #define LENDFUNC(flags,mem,nargs,func,args)
293    
294     /* What we expose to the outside */
295     #define DECLARE_MIDFUNC(func) extern void func
296     DECLARE_MIDFUNC(bt_l_ri(R4 r, IMM i));
297     DECLARE_MIDFUNC(bt_l_rr(R4 r, R4 b));
298     DECLARE_MIDFUNC(btc_l_ri(RW4 r, IMM i));
299     DECLARE_MIDFUNC(btc_l_rr(RW4 r, R4 b));
300     DECLARE_MIDFUNC(bts_l_ri(RW4 r, IMM i));
301     DECLARE_MIDFUNC(bts_l_rr(RW4 r, R4 b));
302     DECLARE_MIDFUNC(btr_l_ri(RW4 r, IMM i));
303     DECLARE_MIDFUNC(btr_l_rr(RW4 r, R4 b));
304     DECLARE_MIDFUNC(mov_l_rm(W4 d, IMM s));
305     DECLARE_MIDFUNC(call_r(R4 r));
306     DECLARE_MIDFUNC(sub_l_mi(IMM d, IMM s));
307     DECLARE_MIDFUNC(mov_l_mi(IMM d, IMM s));
308     DECLARE_MIDFUNC(mov_w_mi(IMM d, IMM s));
309     DECLARE_MIDFUNC(mov_b_mi(IMM d, IMM s));
310     DECLARE_MIDFUNC(rol_b_ri(RW1 r, IMM i));
311     DECLARE_MIDFUNC(rol_w_ri(RW2 r, IMM i));
312     DECLARE_MIDFUNC(rol_l_ri(RW4 r, IMM i));
313     DECLARE_MIDFUNC(rol_l_rr(RW4 d, R1 r));
314     DECLARE_MIDFUNC(rol_w_rr(RW2 d, R1 r));
315     DECLARE_MIDFUNC(rol_b_rr(RW1 d, R1 r));
316     DECLARE_MIDFUNC(shll_l_rr(RW4 d, R1 r));
317     DECLARE_MIDFUNC(shll_w_rr(RW2 d, R1 r));
318     DECLARE_MIDFUNC(shll_b_rr(RW1 d, R1 r));
319     DECLARE_MIDFUNC(ror_b_ri(R1 r, IMM i));
320     DECLARE_MIDFUNC(ror_w_ri(R2 r, IMM i));
321     DECLARE_MIDFUNC(ror_l_ri(R4 r, IMM i));
322     DECLARE_MIDFUNC(ror_l_rr(R4 d, R1 r));
323     DECLARE_MIDFUNC(ror_w_rr(R2 d, R1 r));
324     DECLARE_MIDFUNC(ror_b_rr(R1 d, R1 r));
325     DECLARE_MIDFUNC(shrl_l_rr(RW4 d, R1 r));
326     DECLARE_MIDFUNC(shrl_w_rr(RW2 d, R1 r));
327     DECLARE_MIDFUNC(shrl_b_rr(RW1 d, R1 r));
328     DECLARE_MIDFUNC(shra_l_rr(RW4 d, R1 r));
329     DECLARE_MIDFUNC(shra_w_rr(RW2 d, R1 r));
330     DECLARE_MIDFUNC(shra_b_rr(RW1 d, R1 r));
331     DECLARE_MIDFUNC(shll_l_ri(RW4 r, IMM i));
332     DECLARE_MIDFUNC(shll_w_ri(RW2 r, IMM i));
333     DECLARE_MIDFUNC(shll_b_ri(RW1 r, IMM i));
334     DECLARE_MIDFUNC(shrl_l_ri(RW4 r, IMM i));
335     DECLARE_MIDFUNC(shrl_w_ri(RW2 r, IMM i));
336     DECLARE_MIDFUNC(shrl_b_ri(RW1 r, IMM i));
337     DECLARE_MIDFUNC(shra_l_ri(RW4 r, IMM i));
338     DECLARE_MIDFUNC(shra_w_ri(RW2 r, IMM i));
339     DECLARE_MIDFUNC(shra_b_ri(RW1 r, IMM i));
340     DECLARE_MIDFUNC(setcc(W1 d, IMM cc));
341     DECLARE_MIDFUNC(setcc_m(IMM d, IMM cc));
342     DECLARE_MIDFUNC(cmov_l_rr(RW4 d, R4 s, IMM cc));
343     DECLARE_MIDFUNC(cmov_l_rm(RW4 d, IMM s, IMM cc));
344 gbeauche 1.11 DECLARE_MIDFUNC(bsf_l_rr(W4 d, R4 s));
345 gbeauche 1.1 DECLARE_MIDFUNC(pop_m(IMM d));
346     DECLARE_MIDFUNC(push_m(IMM d));
347     DECLARE_MIDFUNC(pop_l(W4 d));
348     DECLARE_MIDFUNC(push_l_i(IMM i));
349     DECLARE_MIDFUNC(push_l(R4 s));
350     DECLARE_MIDFUNC(clear_16(RW4 r));
351     DECLARE_MIDFUNC(clear_8(RW4 r));
352     DECLARE_MIDFUNC(sign_extend_16_rr(W4 d, R2 s));
353     DECLARE_MIDFUNC(sign_extend_8_rr(W4 d, R1 s));
354     DECLARE_MIDFUNC(zero_extend_16_rr(W4 d, R2 s));
355     DECLARE_MIDFUNC(zero_extend_8_rr(W4 d, R1 s));
356     DECLARE_MIDFUNC(imul_64_32(RW4 d, RW4 s));
357     DECLARE_MIDFUNC(mul_64_32(RW4 d, RW4 s));
358     DECLARE_MIDFUNC(imul_32_32(RW4 d, R4 s));
359     DECLARE_MIDFUNC(mul_32_32(RW4 d, R4 s));
360     DECLARE_MIDFUNC(mov_b_rr(W1 d, R1 s));
361     DECLARE_MIDFUNC(mov_w_rr(W2 d, R2 s));
362     DECLARE_MIDFUNC(mov_l_rrm_indexed(W4 d,R4 baser, R4 index, IMM factor));
363     DECLARE_MIDFUNC(mov_w_rrm_indexed(W2 d, R4 baser, R4 index, IMM factor));
364     DECLARE_MIDFUNC(mov_b_rrm_indexed(W1 d, R4 baser, R4 index, IMM factor));
365     DECLARE_MIDFUNC(mov_l_mrr_indexed(R4 baser, R4 index, IMM factor, R4 s));
366     DECLARE_MIDFUNC(mov_w_mrr_indexed(R4 baser, R4 index, IMM factor, R2 s));
367     DECLARE_MIDFUNC(mov_b_mrr_indexed(R4 baser, R4 index, IMM factor, R1 s));
368     DECLARE_MIDFUNC(mov_l_bmrr_indexed(IMM base, R4 baser, R4 index, IMM factor, R4 s));
369     DECLARE_MIDFUNC(mov_w_bmrr_indexed(IMM base, R4 baser, R4 index, IMM factor, R2 s));
370     DECLARE_MIDFUNC(mov_b_bmrr_indexed(IMM base, R4 baser, R4 index, IMM factor, R1 s));
371     DECLARE_MIDFUNC(mov_l_brrm_indexed(W4 d, IMM base, R4 baser, R4 index, IMM factor));
372     DECLARE_MIDFUNC(mov_w_brrm_indexed(W2 d, IMM base, R4 baser, R4 index, IMM factor));
373     DECLARE_MIDFUNC(mov_b_brrm_indexed(W1 d, IMM base, R4 baser, R4 index, IMM factor));
374     DECLARE_MIDFUNC(mov_l_rm_indexed(W4 d, IMM base, R4 index, IMM factor));
375     DECLARE_MIDFUNC(mov_l_rR(W4 d, R4 s, IMM offset));
376     DECLARE_MIDFUNC(mov_w_rR(W2 d, R4 s, IMM offset));
377     DECLARE_MIDFUNC(mov_b_rR(W1 d, R4 s, IMM offset));
378     DECLARE_MIDFUNC(mov_l_brR(W4 d, R4 s, IMM offset));
379     DECLARE_MIDFUNC(mov_w_brR(W2 d, R4 s, IMM offset));
380     DECLARE_MIDFUNC(mov_b_brR(W1 d, R4 s, IMM offset));
381     DECLARE_MIDFUNC(mov_l_Ri(R4 d, IMM i, IMM offset));
382     DECLARE_MIDFUNC(mov_w_Ri(R4 d, IMM i, IMM offset));
383     DECLARE_MIDFUNC(mov_b_Ri(R4 d, IMM i, IMM offset));
384     DECLARE_MIDFUNC(mov_l_Rr(R4 d, R4 s, IMM offset));
385     DECLARE_MIDFUNC(mov_w_Rr(R4 d, R2 s, IMM offset));
386     DECLARE_MIDFUNC(mov_b_Rr(R4 d, R1 s, IMM offset));
387     DECLARE_MIDFUNC(lea_l_brr(W4 d, R4 s, IMM offset));
388     DECLARE_MIDFUNC(lea_l_brr_indexed(W4 d, R4 s, R4 index, IMM factor, IMM offset));
389     DECLARE_MIDFUNC(lea_l_rr_indexed(W4 d, R4 s, R4 index, IMM factor));
390     DECLARE_MIDFUNC(mov_l_bRr(R4 d, R4 s, IMM offset));
391     DECLARE_MIDFUNC(mov_w_bRr(R4 d, R2 s, IMM offset));
392     DECLARE_MIDFUNC(mov_b_bRr(R4 d, R1 s, IMM offset));
393     DECLARE_MIDFUNC(bswap_32(RW4 r));
394     DECLARE_MIDFUNC(bswap_16(RW2 r));
395     DECLARE_MIDFUNC(mov_l_rr(W4 d, R4 s));
396     DECLARE_MIDFUNC(mov_l_mr(IMM d, R4 s));
397     DECLARE_MIDFUNC(mov_w_mr(IMM d, R2 s));
398     DECLARE_MIDFUNC(mov_w_rm(W2 d, IMM s));
399     DECLARE_MIDFUNC(mov_b_mr(IMM d, R1 s));
400     DECLARE_MIDFUNC(mov_b_rm(W1 d, IMM s));
401     DECLARE_MIDFUNC(mov_l_ri(W4 d, IMM s));
402     DECLARE_MIDFUNC(mov_w_ri(W2 d, IMM s));
403     DECLARE_MIDFUNC(mov_b_ri(W1 d, IMM s));
404     DECLARE_MIDFUNC(add_l_mi(IMM d, IMM s) );
405     DECLARE_MIDFUNC(add_w_mi(IMM d, IMM s) );
406     DECLARE_MIDFUNC(add_b_mi(IMM d, IMM s) );
407     DECLARE_MIDFUNC(test_l_ri(R4 d, IMM i));
408     DECLARE_MIDFUNC(test_l_rr(R4 d, R4 s));
409     DECLARE_MIDFUNC(test_w_rr(R2 d, R2 s));
410     DECLARE_MIDFUNC(test_b_rr(R1 d, R1 s));
411     DECLARE_MIDFUNC(and_l_ri(RW4 d, IMM i));
412     DECLARE_MIDFUNC(and_l(RW4 d, R4 s));
413     DECLARE_MIDFUNC(and_w(RW2 d, R2 s));
414     DECLARE_MIDFUNC(and_b(RW1 d, R1 s));
415     DECLARE_MIDFUNC(or_l_rm(RW4 d, IMM s));
416     DECLARE_MIDFUNC(or_l_ri(RW4 d, IMM i));
417     DECLARE_MIDFUNC(or_l(RW4 d, R4 s));
418     DECLARE_MIDFUNC(or_w(RW2 d, R2 s));
419     DECLARE_MIDFUNC(or_b(RW1 d, R1 s));
420     DECLARE_MIDFUNC(adc_l(RW4 d, R4 s));
421     DECLARE_MIDFUNC(adc_w(RW2 d, R2 s));
422     DECLARE_MIDFUNC(adc_b(RW1 d, R1 s));
423     DECLARE_MIDFUNC(add_l(RW4 d, R4 s));
424     DECLARE_MIDFUNC(add_w(RW2 d, R2 s));
425     DECLARE_MIDFUNC(add_b(RW1 d, R1 s));
426     DECLARE_MIDFUNC(sub_l_ri(RW4 d, IMM i));
427     DECLARE_MIDFUNC(sub_w_ri(RW2 d, IMM i));
428     DECLARE_MIDFUNC(sub_b_ri(RW1 d, IMM i));
429     DECLARE_MIDFUNC(add_l_ri(RW4 d, IMM i));
430     DECLARE_MIDFUNC(add_w_ri(RW2 d, IMM i));
431     DECLARE_MIDFUNC(add_b_ri(RW1 d, IMM i));
432     DECLARE_MIDFUNC(sbb_l(RW4 d, R4 s));
433     DECLARE_MIDFUNC(sbb_w(RW2 d, R2 s));
434     DECLARE_MIDFUNC(sbb_b(RW1 d, R1 s));
435     DECLARE_MIDFUNC(sub_l(RW4 d, R4 s));
436     DECLARE_MIDFUNC(sub_w(RW2 d, R2 s));
437     DECLARE_MIDFUNC(sub_b(RW1 d, R1 s));
438     DECLARE_MIDFUNC(cmp_l(R4 d, R4 s));
439     DECLARE_MIDFUNC(cmp_l_ri(R4 r, IMM i));
440     DECLARE_MIDFUNC(cmp_w(R2 d, R2 s));
441     DECLARE_MIDFUNC(cmp_b(R1 d, R1 s));
442     DECLARE_MIDFUNC(xor_l(RW4 d, R4 s));
443     DECLARE_MIDFUNC(xor_w(RW2 d, R2 s));
444     DECLARE_MIDFUNC(xor_b(RW1 d, R1 s));
445     DECLARE_MIDFUNC(live_flags(void));
446     DECLARE_MIDFUNC(dont_care_flags(void));
447     DECLARE_MIDFUNC(duplicate_carry(void));
448     DECLARE_MIDFUNC(restore_carry(void));
449     DECLARE_MIDFUNC(start_needflags(void));
450     DECLARE_MIDFUNC(end_needflags(void));
451     DECLARE_MIDFUNC(make_flags_live(void));
452     DECLARE_MIDFUNC(call_r_11(R4 r, W4 out1, R4 in1, IMM osize, IMM isize));
453     DECLARE_MIDFUNC(call_r_02(R4 r, R4 in1, R4 in2, IMM isize1, IMM isize2));
454     DECLARE_MIDFUNC(forget_about(W4 r));
455     DECLARE_MIDFUNC(nop(void));
456    
457     DECLARE_MIDFUNC(f_forget_about(FW r));
458     DECLARE_MIDFUNC(fmov_pi(FW r));
459     DECLARE_MIDFUNC(fmov_log10_2(FW r));
460     DECLARE_MIDFUNC(fmov_log2_e(FW r));
461     DECLARE_MIDFUNC(fmov_loge_2(FW r));
462     DECLARE_MIDFUNC(fmov_1(FW r));
463     DECLARE_MIDFUNC(fmov_0(FW r));
464     DECLARE_MIDFUNC(fmov_rm(FW r, MEMR m));
465     DECLARE_MIDFUNC(fmovi_rm(FW r, MEMR m));
466     DECLARE_MIDFUNC(fmovi_mr(MEMW m, FR r));
467     DECLARE_MIDFUNC(fmovs_rm(FW r, MEMR m));
468     DECLARE_MIDFUNC(fmovs_mr(MEMW m, FR r));
469     DECLARE_MIDFUNC(fmov_mr(MEMW m, FR r));
470     DECLARE_MIDFUNC(fmov_ext_mr(MEMW m, FR r));
471     DECLARE_MIDFUNC(fmov_ext_rm(FW r, MEMR m));
472     DECLARE_MIDFUNC(fmov_rr(FW d, FR s));
473     DECLARE_MIDFUNC(fldcw_m_indexed(R4 index, IMM base));
474     DECLARE_MIDFUNC(ftst_r(FR r));
475     DECLARE_MIDFUNC(dont_care_fflags(void));
476     DECLARE_MIDFUNC(fsqrt_rr(FW d, FR s));
477     DECLARE_MIDFUNC(fabs_rr(FW d, FR s));
478     DECLARE_MIDFUNC(frndint_rr(FW d, FR s));
479     DECLARE_MIDFUNC(fsin_rr(FW d, FR s));
480     DECLARE_MIDFUNC(fcos_rr(FW d, FR s));
481     DECLARE_MIDFUNC(ftwotox_rr(FW d, FR s));
482     DECLARE_MIDFUNC(fetox_rr(FW d, FR s));
483     DECLARE_MIDFUNC(flog2_rr(FW d, FR s));
484     DECLARE_MIDFUNC(fneg_rr(FW d, FR s));
485     DECLARE_MIDFUNC(fadd_rr(FRW d, FR s));
486     DECLARE_MIDFUNC(fsub_rr(FRW d, FR s));
487     DECLARE_MIDFUNC(fmul_rr(FRW d, FR s));
488     DECLARE_MIDFUNC(frem_rr(FRW d, FR s));
489     DECLARE_MIDFUNC(frem1_rr(FRW d, FR s));
490     DECLARE_MIDFUNC(fdiv_rr(FRW d, FR s));
491     DECLARE_MIDFUNC(fcmp_rr(FR d, FR s));
492     DECLARE_MIDFUNC(fflags_into_flags(W2 tmp));
493     #undef DECLARE_MIDFUNC
494    
495     extern int failure;
496     #define FAIL(x) do { failure|=x; } while (0)
497    
498     /* Convenience functions exposed to gencomp */
499     extern uae_u32 m68k_pc_offset;
500     extern void readbyte(int address, int dest, int tmp);
501     extern void readword(int address, int dest, int tmp);
502     extern void readlong(int address, int dest, int tmp);
503     extern void writebyte(int address, int source, int tmp);
504     extern void writeword(int address, int source, int tmp);
505     extern void writelong(int address, int source, int tmp);
506     extern void writeword_clobber(int address, int source, int tmp);
507     extern void writelong_clobber(int address, int source, int tmp);
508     extern void get_n_addr(int address, int dest, int tmp);
509     extern void get_n_addr_jmp(int address, int dest, int tmp);
510     extern void calc_disp_ea_020(int base, uae_u32 dp, int target, int tmp);
511 gbeauche 1.11 /* Set native Z flag only if register is zero */
512     extern void set_zero(int r, int tmp);
513 gbeauche 1.1 extern int kill_rodent(int r);
514     extern void sync_m68k_pc(void);
515     extern uae_u32 get_const(int r);
516     extern int is_const(int r);
517     extern void register_branch(uae_u32 not_taken, uae_u32 taken, uae_u8 cond);
518    
519     #define comp_get_ibyte(o) do_get_mem_byte((uae_u8 *)(comp_pc_p + (o) + 1))
520     #define comp_get_iword(o) do_get_mem_word((uae_u16 *)(comp_pc_p + (o)))
521     #define comp_get_ilong(o) do_get_mem_long((uae_u32 *)(comp_pc_p + (o)))
522    
523     struct blockinfo_t;
524    
525     typedef struct dep_t {
526 gbeauche 1.10 uae_u32* jmp_off;
527 gbeauche 1.1 struct blockinfo_t* target;
528     struct blockinfo_t* source;
529     struct dep_t** prev_p;
530     struct dep_t* next;
531     } dependency;
532    
533 gbeauche 1.2 typedef struct checksum_info_t {
534     uae_u8 *start_p;
535     uae_u32 length;
536     struct checksum_info_t *next;
537     } checksum_info;
538    
539 gbeauche 1.1 typedef struct blockinfo_t {
540     uae_s32 count;
541     cpuop_func* direct_handler_to_use;
542     cpuop_func* handler_to_use;
543     /* The direct handler does not check for the correct address */
544    
545     cpuop_func* handler;
546     cpuop_func* direct_handler;
547    
548     cpuop_func* direct_pen;
549     cpuop_func* direct_pcc;
550    
551     uae_u8* pc_p;
552    
553 gbeauche 1.3 uae_u32 c1;
554     uae_u32 c2;
555 gbeauche 1.2 #if USE_CHECKSUM_INFO
556     checksum_info *csi;
557     #else
558 gbeauche 1.1 uae_u32 len;
559 gbeauche 1.2 uae_u32 min_pcp;
560     #endif
561 gbeauche 1.1
562     struct blockinfo_t* next_same_cl;
563     struct blockinfo_t** prev_same_cl_p;
564     struct blockinfo_t* next;
565     struct blockinfo_t** prev_p;
566    
567     uae_u8 optlevel;
568     uae_u8 needed_flags;
569     uae_u8 status;
570     uae_u8 havestate;
571    
572     dependency dep[2]; /* Holds things we depend on */
573     dependency* deplist; /* List of things that depend on this */
574     smallstate env;
575    
576     #if JIT_DEBUG
577     /* (gb) size of the compiled block (direct handler) */
578     uae_u32 direct_handler_size;
579     #endif
580     } blockinfo;
581    
582     #define BI_INVALID 0
583     #define BI_ACTIVE 1
584     #define BI_NEED_RECOMP 2
585     #define BI_NEED_CHECK 3
586     #define BI_CHECKING 4
587     #define BI_COMPILING 5
588     #define BI_FINALIZING 6
589    
590     void execute_normal(void);
591     void exec_nostats(void);
592     void do_nothing(void);
593    
594     #else
595    
596     static __inline__ void flush_icache(int) { }
597     static __inline__ void build_comp() { }
598    
599     #endif /* !USE_JIT */
600    
601     #endif /* COMPEMU_H */