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root/cebix/BasiliskII/src/uae_cpu/compiler/compemu.h
Revision: 1.11
Committed: 2004-11-08T21:10:46Z (20 years ago) by gbeauche
Content type: text/plain
Branch: MAIN
Changes since 1.10: +3 -2 lines
Log Message:
Merge BSF simulation on P4 from Amithlon. Use 33-bit memory addressing model.

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 cebix 1.9 * Adaptation for Basilisk II and improvements, copyright 2000-2004
7 gbeauche 1.5 * Gwenole Beauchesne
8     *
9 cebix 1.9 * Basilisk II (C) 1997-2004 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     /* Whether to preserve registers across calls to JIT compiled routines */
128 gbeauche 1.10 #if defined(X86_ASSEMBLY) || defined(X86_64_ASSEMBLY)
129 gbeauche 1.1 #define USE_PUSH_POP 0
130     #else
131     #define USE_PUSH_POP 1
132     #endif
133    
134 gbeauche 1.10 #if defined(__x86_64__)
135     #define N_REGS 16 /* really only 15, but they are numbered 0-3,5-15 */
136     #else
137 gbeauche 1.1 #define N_REGS 8 /* really only 7, but they are numbered 0,1,2,3,5,6,7 */
138 gbeauche 1.10 #endif
139 gbeauche 1.1 #define N_FREGS 6 /* That leaves us two positions on the stack to play with */
140    
141     /* Functions exposed to newcpu, or to what was moved from newcpu.c to
142     * compemu_support.c */
143     extern void compiler_init(void);
144     extern void compiler_exit(void);
145     extern bool compiler_use_jit(void);
146     extern void init_comp(void);
147     extern void flush(int save_regs);
148     extern void small_flush(int save_regs);
149     extern void set_target(uae_u8* t);
150     extern uae_u8* get_target(void);
151     extern void freescratch(void);
152     extern void build_comp(void);
153     extern void set_cache_state(int enabled);
154     extern int get_cache_state(void);
155     extern uae_u32 get_jitted_size(void);
156     extern void (*flush_icache)(int n);
157     extern void alloc_cache(void);
158     extern int check_for_cache_miss(void);
159    
160     /* JIT FPU compilation */
161     extern void comp_fpp_opp (uae_u32 opcode, uae_u16 extra);
162     extern void comp_fbcc_opp (uae_u32 opcode);
163     extern void comp_fscc_opp (uae_u32 opcode, uae_u16 extra);
164    
165     extern uae_u32 needed_flags;
166     extern cacheline cache_tags[];
167     extern uae_u8* comp_pc_p;
168     extern void* pushall_call_handler;
169    
170     #define VREGS 32
171     #define VFREGS 16
172    
173     #define INMEM 1
174     #define CLEAN 2
175     #define DIRTY 3
176     #define UNDEF 4
177     #define ISCONST 5
178    
179     typedef struct {
180     uae_u32* mem;
181     uae_u32 val;
182     uae_u8 is_swapped;
183     uae_u8 status;
184     uae_s8 realreg; /* gb-- realreg can hold -1 */
185     uae_u8 realind; /* The index in the holds[] array */
186     uae_u8 needflush;
187     uae_u8 validsize;
188     uae_u8 dirtysize;
189     uae_u8 dummy;
190     } reg_status;
191    
192     typedef struct {
193     uae_u32* mem;
194     double val;
195     uae_u8 status;
196     uae_s8 realreg; /* gb-- realreg can hold -1 */
197     uae_u8 realind;
198     uae_u8 needflush;
199     } freg_status;
200    
201     #define PC_P 16
202     #define FLAGX 17
203     #define FLAGTMP 18
204     #define NEXT_HANDLER 19
205     #define S1 20
206     #define S2 21
207     #define S3 22
208     #define S4 23
209     #define S5 24
210     #define S6 25
211     #define S7 26
212     #define S8 27
213     #define S9 28
214     #define S10 29
215     #define S11 30
216     #define S12 31
217    
218     #define FP_RESULT 8
219     #define FS1 9
220     #define FS2 10
221     #define FS3 11
222    
223     typedef struct {
224     uae_u32 touched;
225     uae_s8 holds[VREGS];
226     uae_u8 nholds;
227     uae_u8 canbyte;
228     uae_u8 canword;
229     uae_u8 locked;
230     } n_status;
231    
232     typedef struct {
233     uae_u32 touched;
234     uae_s8 holds[VFREGS];
235     uae_u8 nholds;
236     uae_u8 locked;
237     } fn_status;
238    
239     /* For flag handling */
240     #define NADA 1
241     #define TRASH 2
242     #define VALID 3
243    
244     /* needflush values */
245     #define NF_SCRATCH 0
246     #define NF_TOMEM 1
247     #define NF_HANDLER 2
248    
249     typedef struct {
250     /* Integer part */
251     reg_status state[VREGS];
252     n_status nat[N_REGS];
253     uae_u32 flags_on_stack;
254     uae_u32 flags_in_flags;
255     uae_u32 flags_are_important;
256     /* FPU part */
257     freg_status fate[VFREGS];
258     fn_status fat[N_FREGS];
259    
260     /* x86 FPU part */
261     uae_s8 spos[N_FREGS];
262     uae_s8 onstack[6];
263     uae_s8 tos;
264     } bigstate;
265    
266     typedef struct {
267     /* Integer part */
268     char virt[VREGS];
269     char nat[N_REGS];
270     } smallstate;
271    
272     extern bigstate live;
273     extern int touchcnt;
274    
275    
276     #define IMM uae_s32
277     #define R1 uae_u32
278     #define R2 uae_u32
279     #define R4 uae_u32
280     #define W1 uae_u32
281     #define W2 uae_u32
282     #define W4 uae_u32
283     #define RW1 uae_u32
284     #define RW2 uae_u32
285     #define RW4 uae_u32
286     #define MEMR uae_u32
287     #define MEMW uae_u32
288     #define MEMRW uae_u32
289    
290     #define FW uae_u32
291     #define FR uae_u32
292     #define FRW uae_u32
293    
294     #define MIDFUNC(nargs,func,args) void func args
295     #define MENDFUNC(nargs,func,args)
296     #define COMPCALL(func) func
297    
298     #define LOWFUNC(flags,mem,nargs,func,args) static __inline__ void func args
299     #define LENDFUNC(flags,mem,nargs,func,args)
300    
301     /* What we expose to the outside */
302     #define DECLARE_MIDFUNC(func) extern void func
303     DECLARE_MIDFUNC(bt_l_ri(R4 r, IMM i));
304     DECLARE_MIDFUNC(bt_l_rr(R4 r, R4 b));
305     DECLARE_MIDFUNC(btc_l_ri(RW4 r, IMM i));
306     DECLARE_MIDFUNC(btc_l_rr(RW4 r, R4 b));
307     DECLARE_MIDFUNC(bts_l_ri(RW4 r, IMM i));
308     DECLARE_MIDFUNC(bts_l_rr(RW4 r, R4 b));
309     DECLARE_MIDFUNC(btr_l_ri(RW4 r, IMM i));
310     DECLARE_MIDFUNC(btr_l_rr(RW4 r, R4 b));
311     DECLARE_MIDFUNC(mov_l_rm(W4 d, IMM s));
312     DECLARE_MIDFUNC(call_r(R4 r));
313     DECLARE_MIDFUNC(sub_l_mi(IMM d, IMM s));
314     DECLARE_MIDFUNC(mov_l_mi(IMM d, IMM s));
315     DECLARE_MIDFUNC(mov_w_mi(IMM d, IMM s));
316     DECLARE_MIDFUNC(mov_b_mi(IMM d, IMM s));
317     DECLARE_MIDFUNC(rol_b_ri(RW1 r, IMM i));
318     DECLARE_MIDFUNC(rol_w_ri(RW2 r, IMM i));
319     DECLARE_MIDFUNC(rol_l_ri(RW4 r, IMM i));
320     DECLARE_MIDFUNC(rol_l_rr(RW4 d, R1 r));
321     DECLARE_MIDFUNC(rol_w_rr(RW2 d, R1 r));
322     DECLARE_MIDFUNC(rol_b_rr(RW1 d, R1 r));
323     DECLARE_MIDFUNC(shll_l_rr(RW4 d, R1 r));
324     DECLARE_MIDFUNC(shll_w_rr(RW2 d, R1 r));
325     DECLARE_MIDFUNC(shll_b_rr(RW1 d, R1 r));
326     DECLARE_MIDFUNC(ror_b_ri(R1 r, IMM i));
327     DECLARE_MIDFUNC(ror_w_ri(R2 r, IMM i));
328     DECLARE_MIDFUNC(ror_l_ri(R4 r, IMM i));
329     DECLARE_MIDFUNC(ror_l_rr(R4 d, R1 r));
330     DECLARE_MIDFUNC(ror_w_rr(R2 d, R1 r));
331     DECLARE_MIDFUNC(ror_b_rr(R1 d, R1 r));
332     DECLARE_MIDFUNC(shrl_l_rr(RW4 d, R1 r));
333     DECLARE_MIDFUNC(shrl_w_rr(RW2 d, R1 r));
334     DECLARE_MIDFUNC(shrl_b_rr(RW1 d, R1 r));
335     DECLARE_MIDFUNC(shra_l_rr(RW4 d, R1 r));
336     DECLARE_MIDFUNC(shra_w_rr(RW2 d, R1 r));
337     DECLARE_MIDFUNC(shra_b_rr(RW1 d, R1 r));
338     DECLARE_MIDFUNC(shll_l_ri(RW4 r, IMM i));
339     DECLARE_MIDFUNC(shll_w_ri(RW2 r, IMM i));
340     DECLARE_MIDFUNC(shll_b_ri(RW1 r, IMM i));
341     DECLARE_MIDFUNC(shrl_l_ri(RW4 r, IMM i));
342     DECLARE_MIDFUNC(shrl_w_ri(RW2 r, IMM i));
343     DECLARE_MIDFUNC(shrl_b_ri(RW1 r, IMM i));
344     DECLARE_MIDFUNC(shra_l_ri(RW4 r, IMM i));
345     DECLARE_MIDFUNC(shra_w_ri(RW2 r, IMM i));
346     DECLARE_MIDFUNC(shra_b_ri(RW1 r, IMM i));
347     DECLARE_MIDFUNC(setcc(W1 d, IMM cc));
348     DECLARE_MIDFUNC(setcc_m(IMM d, IMM cc));
349     DECLARE_MIDFUNC(cmov_l_rr(RW4 d, R4 s, IMM cc));
350     DECLARE_MIDFUNC(cmov_l_rm(RW4 d, IMM s, IMM cc));
351 gbeauche 1.11 DECLARE_MIDFUNC(bsf_l_rr(W4 d, R4 s));
352 gbeauche 1.1 DECLARE_MIDFUNC(pop_m(IMM d));
353     DECLARE_MIDFUNC(push_m(IMM d));
354     DECLARE_MIDFUNC(pop_l(W4 d));
355     DECLARE_MIDFUNC(push_l_i(IMM i));
356     DECLARE_MIDFUNC(push_l(R4 s));
357     DECLARE_MIDFUNC(clear_16(RW4 r));
358     DECLARE_MIDFUNC(clear_8(RW4 r));
359     DECLARE_MIDFUNC(sign_extend_16_rr(W4 d, R2 s));
360     DECLARE_MIDFUNC(sign_extend_8_rr(W4 d, R1 s));
361     DECLARE_MIDFUNC(zero_extend_16_rr(W4 d, R2 s));
362     DECLARE_MIDFUNC(zero_extend_8_rr(W4 d, R1 s));
363     DECLARE_MIDFUNC(imul_64_32(RW4 d, RW4 s));
364     DECLARE_MIDFUNC(mul_64_32(RW4 d, RW4 s));
365     DECLARE_MIDFUNC(imul_32_32(RW4 d, R4 s));
366     DECLARE_MIDFUNC(mul_32_32(RW4 d, R4 s));
367     DECLARE_MIDFUNC(mov_b_rr(W1 d, R1 s));
368     DECLARE_MIDFUNC(mov_w_rr(W2 d, R2 s));
369     DECLARE_MIDFUNC(mov_l_rrm_indexed(W4 d,R4 baser, R4 index, IMM factor));
370     DECLARE_MIDFUNC(mov_w_rrm_indexed(W2 d, R4 baser, R4 index, IMM factor));
371     DECLARE_MIDFUNC(mov_b_rrm_indexed(W1 d, R4 baser, R4 index, IMM factor));
372     DECLARE_MIDFUNC(mov_l_mrr_indexed(R4 baser, R4 index, IMM factor, R4 s));
373     DECLARE_MIDFUNC(mov_w_mrr_indexed(R4 baser, R4 index, IMM factor, R2 s));
374     DECLARE_MIDFUNC(mov_b_mrr_indexed(R4 baser, R4 index, IMM factor, R1 s));
375     DECLARE_MIDFUNC(mov_l_bmrr_indexed(IMM base, R4 baser, R4 index, IMM factor, R4 s));
376     DECLARE_MIDFUNC(mov_w_bmrr_indexed(IMM base, R4 baser, R4 index, IMM factor, R2 s));
377     DECLARE_MIDFUNC(mov_b_bmrr_indexed(IMM base, R4 baser, R4 index, IMM factor, R1 s));
378     DECLARE_MIDFUNC(mov_l_brrm_indexed(W4 d, IMM base, R4 baser, R4 index, IMM factor));
379     DECLARE_MIDFUNC(mov_w_brrm_indexed(W2 d, IMM base, R4 baser, R4 index, IMM factor));
380     DECLARE_MIDFUNC(mov_b_brrm_indexed(W1 d, IMM base, R4 baser, R4 index, IMM factor));
381     DECLARE_MIDFUNC(mov_l_rm_indexed(W4 d, IMM base, R4 index, IMM factor));
382     DECLARE_MIDFUNC(mov_l_rR(W4 d, R4 s, IMM offset));
383     DECLARE_MIDFUNC(mov_w_rR(W2 d, R4 s, IMM offset));
384     DECLARE_MIDFUNC(mov_b_rR(W1 d, R4 s, IMM offset));
385     DECLARE_MIDFUNC(mov_l_brR(W4 d, R4 s, IMM offset));
386     DECLARE_MIDFUNC(mov_w_brR(W2 d, R4 s, IMM offset));
387     DECLARE_MIDFUNC(mov_b_brR(W1 d, R4 s, IMM offset));
388     DECLARE_MIDFUNC(mov_l_Ri(R4 d, IMM i, IMM offset));
389     DECLARE_MIDFUNC(mov_w_Ri(R4 d, IMM i, IMM offset));
390     DECLARE_MIDFUNC(mov_b_Ri(R4 d, IMM i, IMM offset));
391     DECLARE_MIDFUNC(mov_l_Rr(R4 d, R4 s, IMM offset));
392     DECLARE_MIDFUNC(mov_w_Rr(R4 d, R2 s, IMM offset));
393     DECLARE_MIDFUNC(mov_b_Rr(R4 d, R1 s, IMM offset));
394     DECLARE_MIDFUNC(lea_l_brr(W4 d, R4 s, IMM offset));
395     DECLARE_MIDFUNC(lea_l_brr_indexed(W4 d, R4 s, R4 index, IMM factor, IMM offset));
396     DECLARE_MIDFUNC(lea_l_rr_indexed(W4 d, R4 s, R4 index, IMM factor));
397     DECLARE_MIDFUNC(mov_l_bRr(R4 d, R4 s, IMM offset));
398     DECLARE_MIDFUNC(mov_w_bRr(R4 d, R2 s, IMM offset));
399     DECLARE_MIDFUNC(mov_b_bRr(R4 d, R1 s, IMM offset));
400     DECLARE_MIDFUNC(bswap_32(RW4 r));
401     DECLARE_MIDFUNC(bswap_16(RW2 r));
402     DECLARE_MIDFUNC(mov_l_rr(W4 d, R4 s));
403     DECLARE_MIDFUNC(mov_l_mr(IMM d, R4 s));
404     DECLARE_MIDFUNC(mov_w_mr(IMM d, R2 s));
405     DECLARE_MIDFUNC(mov_w_rm(W2 d, IMM s));
406     DECLARE_MIDFUNC(mov_b_mr(IMM d, R1 s));
407     DECLARE_MIDFUNC(mov_b_rm(W1 d, IMM s));
408     DECLARE_MIDFUNC(mov_l_ri(W4 d, IMM s));
409     DECLARE_MIDFUNC(mov_w_ri(W2 d, IMM s));
410     DECLARE_MIDFUNC(mov_b_ri(W1 d, IMM s));
411     DECLARE_MIDFUNC(add_l_mi(IMM d, IMM s) );
412     DECLARE_MIDFUNC(add_w_mi(IMM d, IMM s) );
413     DECLARE_MIDFUNC(add_b_mi(IMM d, IMM s) );
414     DECLARE_MIDFUNC(test_l_ri(R4 d, IMM i));
415     DECLARE_MIDFUNC(test_l_rr(R4 d, R4 s));
416     DECLARE_MIDFUNC(test_w_rr(R2 d, R2 s));
417     DECLARE_MIDFUNC(test_b_rr(R1 d, R1 s));
418     DECLARE_MIDFUNC(and_l_ri(RW4 d, IMM i));
419     DECLARE_MIDFUNC(and_l(RW4 d, R4 s));
420     DECLARE_MIDFUNC(and_w(RW2 d, R2 s));
421     DECLARE_MIDFUNC(and_b(RW1 d, R1 s));
422     DECLARE_MIDFUNC(or_l_rm(RW4 d, IMM s));
423     DECLARE_MIDFUNC(or_l_ri(RW4 d, IMM i));
424     DECLARE_MIDFUNC(or_l(RW4 d, R4 s));
425     DECLARE_MIDFUNC(or_w(RW2 d, R2 s));
426     DECLARE_MIDFUNC(or_b(RW1 d, R1 s));
427     DECLARE_MIDFUNC(adc_l(RW4 d, R4 s));
428     DECLARE_MIDFUNC(adc_w(RW2 d, R2 s));
429     DECLARE_MIDFUNC(adc_b(RW1 d, R1 s));
430     DECLARE_MIDFUNC(add_l(RW4 d, R4 s));
431     DECLARE_MIDFUNC(add_w(RW2 d, R2 s));
432     DECLARE_MIDFUNC(add_b(RW1 d, R1 s));
433     DECLARE_MIDFUNC(sub_l_ri(RW4 d, IMM i));
434     DECLARE_MIDFUNC(sub_w_ri(RW2 d, IMM i));
435     DECLARE_MIDFUNC(sub_b_ri(RW1 d, IMM i));
436     DECLARE_MIDFUNC(add_l_ri(RW4 d, IMM i));
437     DECLARE_MIDFUNC(add_w_ri(RW2 d, IMM i));
438     DECLARE_MIDFUNC(add_b_ri(RW1 d, IMM i));
439     DECLARE_MIDFUNC(sbb_l(RW4 d, R4 s));
440     DECLARE_MIDFUNC(sbb_w(RW2 d, R2 s));
441     DECLARE_MIDFUNC(sbb_b(RW1 d, R1 s));
442     DECLARE_MIDFUNC(sub_l(RW4 d, R4 s));
443     DECLARE_MIDFUNC(sub_w(RW2 d, R2 s));
444     DECLARE_MIDFUNC(sub_b(RW1 d, R1 s));
445     DECLARE_MIDFUNC(cmp_l(R4 d, R4 s));
446     DECLARE_MIDFUNC(cmp_l_ri(R4 r, IMM i));
447     DECLARE_MIDFUNC(cmp_w(R2 d, R2 s));
448     DECLARE_MIDFUNC(cmp_b(R1 d, R1 s));
449     DECLARE_MIDFUNC(xor_l(RW4 d, R4 s));
450     DECLARE_MIDFUNC(xor_w(RW2 d, R2 s));
451     DECLARE_MIDFUNC(xor_b(RW1 d, R1 s));
452     DECLARE_MIDFUNC(live_flags(void));
453     DECLARE_MIDFUNC(dont_care_flags(void));
454     DECLARE_MIDFUNC(duplicate_carry(void));
455     DECLARE_MIDFUNC(restore_carry(void));
456     DECLARE_MIDFUNC(start_needflags(void));
457     DECLARE_MIDFUNC(end_needflags(void));
458     DECLARE_MIDFUNC(make_flags_live(void));
459     DECLARE_MIDFUNC(call_r_11(R4 r, W4 out1, R4 in1, IMM osize, IMM isize));
460     DECLARE_MIDFUNC(call_r_02(R4 r, R4 in1, R4 in2, IMM isize1, IMM isize2));
461     DECLARE_MIDFUNC(forget_about(W4 r));
462     DECLARE_MIDFUNC(nop(void));
463    
464     DECLARE_MIDFUNC(f_forget_about(FW r));
465     DECLARE_MIDFUNC(fmov_pi(FW r));
466     DECLARE_MIDFUNC(fmov_log10_2(FW r));
467     DECLARE_MIDFUNC(fmov_log2_e(FW r));
468     DECLARE_MIDFUNC(fmov_loge_2(FW r));
469     DECLARE_MIDFUNC(fmov_1(FW r));
470     DECLARE_MIDFUNC(fmov_0(FW r));
471     DECLARE_MIDFUNC(fmov_rm(FW r, MEMR m));
472     DECLARE_MIDFUNC(fmovi_rm(FW r, MEMR m));
473     DECLARE_MIDFUNC(fmovi_mr(MEMW m, FR r));
474     DECLARE_MIDFUNC(fmovs_rm(FW r, MEMR m));
475     DECLARE_MIDFUNC(fmovs_mr(MEMW m, FR r));
476     DECLARE_MIDFUNC(fmov_mr(MEMW m, FR r));
477     DECLARE_MIDFUNC(fmov_ext_mr(MEMW m, FR r));
478     DECLARE_MIDFUNC(fmov_ext_rm(FW r, MEMR m));
479     DECLARE_MIDFUNC(fmov_rr(FW d, FR s));
480     DECLARE_MIDFUNC(fldcw_m_indexed(R4 index, IMM base));
481     DECLARE_MIDFUNC(ftst_r(FR r));
482     DECLARE_MIDFUNC(dont_care_fflags(void));
483     DECLARE_MIDFUNC(fsqrt_rr(FW d, FR s));
484     DECLARE_MIDFUNC(fabs_rr(FW d, FR s));
485     DECLARE_MIDFUNC(frndint_rr(FW d, FR s));
486     DECLARE_MIDFUNC(fsin_rr(FW d, FR s));
487     DECLARE_MIDFUNC(fcos_rr(FW d, FR s));
488     DECLARE_MIDFUNC(ftwotox_rr(FW d, FR s));
489     DECLARE_MIDFUNC(fetox_rr(FW d, FR s));
490     DECLARE_MIDFUNC(flog2_rr(FW d, FR s));
491     DECLARE_MIDFUNC(fneg_rr(FW d, FR s));
492     DECLARE_MIDFUNC(fadd_rr(FRW d, FR s));
493     DECLARE_MIDFUNC(fsub_rr(FRW d, FR s));
494     DECLARE_MIDFUNC(fmul_rr(FRW d, FR s));
495     DECLARE_MIDFUNC(frem_rr(FRW d, FR s));
496     DECLARE_MIDFUNC(frem1_rr(FRW d, FR s));
497     DECLARE_MIDFUNC(fdiv_rr(FRW d, FR s));
498     DECLARE_MIDFUNC(fcmp_rr(FR d, FR s));
499     DECLARE_MIDFUNC(fflags_into_flags(W2 tmp));
500     #undef DECLARE_MIDFUNC
501    
502     extern int failure;
503     #define FAIL(x) do { failure|=x; } while (0)
504    
505     /* Convenience functions exposed to gencomp */
506     extern uae_u32 m68k_pc_offset;
507     extern void readbyte(int address, int dest, int tmp);
508     extern void readword(int address, int dest, int tmp);
509     extern void readlong(int address, int dest, int tmp);
510     extern void writebyte(int address, int source, int tmp);
511     extern void writeword(int address, int source, int tmp);
512     extern void writelong(int address, int source, int tmp);
513     extern void writeword_clobber(int address, int source, int tmp);
514     extern void writelong_clobber(int address, int source, int tmp);
515     extern void get_n_addr(int address, int dest, int tmp);
516     extern void get_n_addr_jmp(int address, int dest, int tmp);
517     extern void calc_disp_ea_020(int base, uae_u32 dp, int target, int tmp);
518 gbeauche 1.11 /* Set native Z flag only if register is zero */
519     extern void set_zero(int r, int tmp);
520 gbeauche 1.1 extern int kill_rodent(int r);
521     extern void sync_m68k_pc(void);
522     extern uae_u32 get_const(int r);
523     extern int is_const(int r);
524     extern void register_branch(uae_u32 not_taken, uae_u32 taken, uae_u8 cond);
525    
526     #define comp_get_ibyte(o) do_get_mem_byte((uae_u8 *)(comp_pc_p + (o) + 1))
527     #define comp_get_iword(o) do_get_mem_word((uae_u16 *)(comp_pc_p + (o)))
528     #define comp_get_ilong(o) do_get_mem_long((uae_u32 *)(comp_pc_p + (o)))
529    
530     struct blockinfo_t;
531    
532     typedef struct dep_t {
533 gbeauche 1.10 uae_u32* jmp_off;
534 gbeauche 1.1 struct blockinfo_t* target;
535     struct blockinfo_t* source;
536     struct dep_t** prev_p;
537     struct dep_t* next;
538     } dependency;
539    
540 gbeauche 1.2 typedef struct checksum_info_t {
541     uae_u8 *start_p;
542     uae_u32 length;
543     struct checksum_info_t *next;
544     } checksum_info;
545    
546 gbeauche 1.1 typedef struct blockinfo_t {
547     uae_s32 count;
548     cpuop_func* direct_handler_to_use;
549     cpuop_func* handler_to_use;
550     /* The direct handler does not check for the correct address */
551    
552     cpuop_func* handler;
553     cpuop_func* direct_handler;
554    
555     cpuop_func* direct_pen;
556     cpuop_func* direct_pcc;
557    
558     uae_u8* pc_p;
559    
560 gbeauche 1.3 uae_u32 c1;
561     uae_u32 c2;
562 gbeauche 1.2 #if USE_CHECKSUM_INFO
563     checksum_info *csi;
564     #else
565 gbeauche 1.1 uae_u32 len;
566 gbeauche 1.2 uae_u32 min_pcp;
567     #endif
568 gbeauche 1.1
569     struct blockinfo_t* next_same_cl;
570     struct blockinfo_t** prev_same_cl_p;
571     struct blockinfo_t* next;
572     struct blockinfo_t** prev_p;
573    
574     uae_u8 optlevel;
575     uae_u8 needed_flags;
576     uae_u8 status;
577     uae_u8 havestate;
578    
579     dependency dep[2]; /* Holds things we depend on */
580     dependency* deplist; /* List of things that depend on this */
581     smallstate env;
582    
583     #if JIT_DEBUG
584     /* (gb) size of the compiled block (direct handler) */
585     uae_u32 direct_handler_size;
586     #endif
587     } blockinfo;
588    
589     #define BI_INVALID 0
590     #define BI_ACTIVE 1
591     #define BI_NEED_RECOMP 2
592     #define BI_NEED_CHECK 3
593     #define BI_CHECKING 4
594     #define BI_COMPILING 5
595     #define BI_FINALIZING 6
596    
597     void execute_normal(void);
598     void exec_nostats(void);
599     void do_nothing(void);
600    
601     #else
602    
603     static __inline__ void flush_icache(int) { }
604     static __inline__ void build_comp() { }
605    
606     #endif /* !USE_JIT */
607    
608     #endif /* COMPEMU_H */