exec-all.h@ 7992

最後變更在這個檔案從7992是 6532,由 vboxsync 提交於 17 年前
Cleaned out the PGM_DYNAMIC_RAM_ALLOC tests to avoid unnecessary mess with VBOX_WITH_NEW_PHYS_CODE.
屬性 svn:eol-style 設為 `native`
檔案大小: 19.8 KB

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1	/*
2	* internal execution defines for qemu
3	*
4	* Copyright (c) 2003 Fabrice Bellard
5	*
6	* This library is free software; you can redistribute it and/or
7	* modify it under the terms of the GNU Lesser General Public
8	* License as published by the Free Software Foundation; either
9	* version 2 of the License, or (at your option) any later version.
10	*
11	* This library is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14	* Lesser General Public License for more details.
15	*
16	* You should have received a copy of the GNU Lesser General Public
17	* License along with this library; if not, write to the Free Software
18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19	*/
20
21	/* allow to see translation results - the slowdown should be negligible, so we leave it */
22	#ifndef VBOX
23	#define DEBUG_DISAS
24	#endif
25
26	#ifdef VBOX
27	# include <VBox/tm.h>
28	# include <VBox/pgm.h> /* PGM_DYNAMIC_RAM_ALLOC */
29	# ifndef LOG_GROUP
30	# define LOG_GROUP LOG_GROUP_REM
31	# endif
32	# include <VBox/log.h>
33	# include "REMInternal.h"
34	# include <VBox/vm.h>
35	#endif /* VBOX */
36
37	#ifndef glue
38	#define xglue(x, y) x ## y
39	#define glue(x, y) xglue(x, y)
40	#define stringify(s) tostring(s)
41	#define tostring(s) #s
42	#endif
43
44	#if __GNUC__ < 3
45	#define __builtin_expect(x, n) (x)
46	#endif
47
48	#ifdef __i386__
49	#define REGPARM(n) __attribute((regparm(n)))
50	#else
51	#define REGPARM(n)
52	#endif
53
54	/* is_jmp field values */
55	#define DISAS_NEXT 0 /* next instruction can be analyzed */
56	#define DISAS_JUMP 1 /* only pc was modified dynamically */
57	#define DISAS_UPDATE 2 /* cpu state was modified dynamically */
58	#define DISAS_TB_JUMP 3 /* only pc was modified statically */
59
60	struct TranslationBlock;
61
62	/* XXX: make safe guess about sizes */
63	#define MAX_OP_PER_INSTR 32
64	#define OPC_BUF_SIZE 512
65	#define OPC_MAX_SIZE (OPC_BUF_SIZE - MAX_OP_PER_INSTR)
66
67	#define OPPARAM_BUF_SIZE (OPC_BUF_SIZE * 3)
68
69	extern uint16_t gen_opc_buf[OPC_BUF_SIZE];
70	extern uint32_t gen_opparam_buf[OPPARAM_BUF_SIZE];
71	extern long gen_labels[OPC_BUF_SIZE];
72	extern int nb_gen_labels;
73	extern target_ulong gen_opc_pc[OPC_BUF_SIZE];
74	extern target_ulong gen_opc_npc[OPC_BUF_SIZE];
75	extern uint8_t gen_opc_cc_op[OPC_BUF_SIZE];
76	extern uint8_t gen_opc_instr_start[OPC_BUF_SIZE];
77	extern target_ulong gen_opc_jump_pc[2];
78	extern uint32_t gen_opc_hflags[OPC_BUF_SIZE];
79
80	typedef void (GenOpFunc)(void);
81	typedef void (GenOpFunc1)(long);
82	typedef void (GenOpFunc2)(long, long);
83	typedef void (GenOpFunc3)(long, long, long);
84
85	#if defined(TARGET_I386)
86
87	void optimize_flags_init(void);
88
89	#endif
90
91	extern FILE *logfile;
92	extern int loglevel;
93
94	int gen_intermediate_code(CPUState env, struct TranslationBlock tb);
95	int gen_intermediate_code_pc(CPUState env, struct TranslationBlock tb);
96	void dump_ops(const uint16_t opc_buf, const uint32_t opparam_buf);
97	int cpu_gen_code(CPUState env, struct TranslationBlock tb,
98	int max_code_size, int *gen_code_size_ptr);
99	int cpu_restore_state(struct TranslationBlock *tb,
100	CPUState *env, unsigned long searched_pc,
101	void *puc);
102	int cpu_gen_code_copy(CPUState env, struct TranslationBlock tb,
103	int max_code_size, int *gen_code_size_ptr);
104	int cpu_restore_state_copy(struct TranslationBlock *tb,
105	CPUState *env, unsigned long searched_pc,
106	void *puc);
107	void cpu_resume_from_signal(CPUState env1, void puc);
108	void cpu_exec_init(CPUState *env);
109	int page_unprotect(target_ulong address, unsigned long pc, void *puc);
110	void tb_invalidate_phys_page_range(target_ulong start, target_ulong end,
111	int is_cpu_write_access);
112	void tb_invalidate_page_range(target_ulong start, target_ulong end);
113	void tlb_flush_page(CPUState *env, target_ulong addr);
114	void tlb_flush(CPUState *env, int flush_global);
115	int tlb_set_page_exec(CPUState *env, target_ulong vaddr,
116	target_phys_addr_t paddr, int prot,
117	int is_user, int is_softmmu);
118	static inline int tlb_set_page(CPUState *env, target_ulong vaddr,
119	target_phys_addr_t paddr, int prot,
120	int is_user, int is_softmmu)
121	{
122	if (prot & PAGE_READ)
123	prot \|= PAGE_EXEC;
124	return tlb_set_page_exec(env, vaddr, paddr, prot, is_user, is_softmmu);
125	}
126
127	#define CODE_GEN_MAX_SIZE 65536
128	#define CODE_GEN_ALIGN 16 /* must be >= of the size of a icache line */
129
130	#define CODE_GEN_PHYS_HASH_BITS 15
131	#define CODE_GEN_PHYS_HASH_SIZE (1 << CODE_GEN_PHYS_HASH_BITS)
132
133	/* maximum total translate dcode allocated */
134
135	/* NOTE: the translated code area cannot be too big because on some
136	archs the range of "fast" function calls is limited. Here is a
137	summary of the ranges:
138
139	i386 : signed 32 bits
140	arm : signed 26 bits
141	ppc : signed 24 bits
142	sparc : signed 32 bits
143	alpha : signed 23 bits
144	*/
145
146	#if defined(__alpha__)
147	#define CODE_GEN_BUFFER_SIZE (2 * 1024 * 1024)
148	#elif defined(__ia64)
149	#define CODE_GEN_BUFFER_SIZE (4 * 1024 * 1024) /* range of addl */
150	#elif defined(__powerpc__)
151	#define CODE_GEN_BUFFER_SIZE (6 * 1024 * 1024)
152	#else
153	#define CODE_GEN_BUFFER_SIZE (16 * 1024 * 1024)
154	#endif
155
156	//#define CODE_GEN_BUFFER_SIZE (128 * 1024)
157
158	/* estimated block size for TB allocation */
159	/* XXX: use a per code average code fragment size and modulate it
160	according to the host CPU */
161	#if defined(CONFIG_SOFTMMU)
162	#define CODE_GEN_AVG_BLOCK_SIZE 128
163	#else
164	#define CODE_GEN_AVG_BLOCK_SIZE 64
165	#endif
166
167	#define CODE_GEN_MAX_BLOCKS (CODE_GEN_BUFFER_SIZE / CODE_GEN_AVG_BLOCK_SIZE)
168
169	#if defined(__powerpc__)
170	#define USE_DIRECT_JUMP
171	#endif
172	#if defined(__i386__) && !defined(_WIN32)
173	#define USE_DIRECT_JUMP
174	#endif
175	#ifdef VBOX /* bird: not safe in next step because of threading & cpu_interrupt. */
176	#undef USE_DIRECT_JUMP
177	#endif /* VBOX */
178
179	typedef struct TranslationBlock {
180	target_ulong pc; /* simulated PC corresponding to this block (EIP + CS base) */
181	target_ulong cs_base; /* CS base for this block */
182	unsigned int flags; /* flags defining in which context the code was generated */
183	uint16_t size; /* size of target code for this block (1 <=
184	size <= TARGET_PAGE_SIZE) */
185	uint16_t cflags; /* compile flags */
186	#define CF_CODE_COPY 0x0001 /* block was generated in code copy mode */
187	#define CF_TB_FP_USED 0x0002 /* fp ops are used in the TB */
188	#define CF_FP_USED 0x0004 /* fp ops are used in the TB or in a chained TB */
189	#define CF_SINGLE_INSN 0x0008 /* compile only a single instruction */
190	#ifdef VBOX
191	#define CF_RAW_MODE 0x0010 /* block was generated in raw mode */
192	#endif
193
194	uint8_t tc_ptr; / pointer to the translated code */
195	/* next matching tb for physical address. */
196	struct TranslationBlock *phys_hash_next;
197	/* first and second physical page containing code. The lower bit
198	of the pointer tells the index in page_next[] */
199	struct TranslationBlock *page_next[2];
200	target_ulong page_addr[2];
201
202	/* the following data are used to directly call another TB from
203	the code of this one. */
204	uint16_t tb_next_offset[2]; /* offset of original jump target */
205	#ifdef USE_DIRECT_JUMP
206	uint16_t tb_jmp_offset[4]; /* offset of jump instruction */
207	#else
208	# if defined(VBOX) && defined(RT_OS_DARWIN) && defined(RT_ARCH_AMD64)
209	# error "First 4GB aren't reachable. jmp dword [tb_next] wont work."
210	# endif
211	uint32_t tb_next[2]; /* address of jump generated code */
212	#endif
213	/* list of TBs jumping to this one. This is a circular list using
214	the two least significant bits of the pointers to tell what is
215	the next pointer: 0 = jmp_next[0], 1 = jmp_next[1], 2 =
216	jmp_first */
217	struct TranslationBlock *jmp_next[2];
218	struct TranslationBlock *jmp_first;
219	} TranslationBlock;
220
221	static inline unsigned int tb_jmp_cache_hash_page(target_ulong pc)
222	{
223	target_ulong tmp;
224	tmp = pc ^ (pc >> (TARGET_PAGE_BITS - TB_JMP_PAGE_BITS));
225	return (tmp >> TB_JMP_PAGE_BITS) & TB_JMP_PAGE_MASK;
226	}
227
228	static inline unsigned int tb_jmp_cache_hash_func(target_ulong pc)
229	{
230	target_ulong tmp;
231	tmp = pc ^ (pc >> (TARGET_PAGE_BITS - TB_JMP_PAGE_BITS));
232	return (((tmp >> TB_JMP_PAGE_BITS) & TB_JMP_PAGE_MASK) \|
233	(tmp & TB_JMP_ADDR_MASK));
234	}
235
236	static inline unsigned int tb_phys_hash_func(unsigned long pc)
237	{
238	return pc & (CODE_GEN_PHYS_HASH_SIZE - 1);
239	}
240
241	TranslationBlock *tb_alloc(target_ulong pc);
242	void tb_flush(CPUState *env);
243	void tb_link_phys(TranslationBlock *tb,
244	target_ulong phys_pc, target_ulong phys_page2);
245
246	extern TranslationBlock *tb_phys_hash[CODE_GEN_PHYS_HASH_SIZE];
247
248	extern uint8_t code_gen_buffer[CODE_GEN_BUFFER_SIZE];
249	extern uint8_t *code_gen_ptr;
250
251	#if defined(USE_DIRECT_JUMP)
252
253	#if defined(__powerpc__)
254	static inline void tb_set_jmp_target1(unsigned long jmp_addr, unsigned long addr)
255	{
256	uint32_t val, *ptr;
257
258	/* patch the branch destination */
259	ptr = (uint32_t *)jmp_addr;
260	val = *ptr;
261	val = (val & ~0x03fffffc) \| ((addr - jmp_addr) & 0x03fffffc);
262	*ptr = val;
263	/* flush icache */
264	asm volatile ("dcbst 0,%0" : : "r"(ptr) : "memory");
265	asm volatile ("sync" : : : "memory");
266	asm volatile ("icbi 0,%0" : : "r"(ptr) : "memory");
267	asm volatile ("sync" : : : "memory");
268	asm volatile ("isync" : : : "memory");
269	}
270	#elif defined(__i386__)
271	static inline void tb_set_jmp_target1(unsigned long jmp_addr, unsigned long addr)
272	{
273	/* patch the branch destination */
274	(uint32_t )jmp_addr = addr - (jmp_addr + 4);
275	/* no need to flush icache explicitely */
276	}
277	#endif
278
279	static inline void tb_set_jmp_target(TranslationBlock *tb,
280	int n, unsigned long addr)
281	{
282	unsigned long offset;
283
284	offset = tb->tb_jmp_offset[n];
285	tb_set_jmp_target1((unsigned long)(tb->tc_ptr + offset), addr);
286	offset = tb->tb_jmp_offset[n + 2];
287	if (offset != 0xffff)
288	tb_set_jmp_target1((unsigned long)(tb->tc_ptr + offset), addr);
289	}
290
291	#else
292
293	/* set the jump target */
294	static inline void tb_set_jmp_target(TranslationBlock *tb,
295	int n, unsigned long addr)
296	{
297	tb->tb_next[n] = addr;
298	}
299
300	#endif
301
302	static inline void tb_add_jump(TranslationBlock *tb, int n,
303	TranslationBlock *tb_next)
304	{
305	/* NOTE: this test is only needed for thread safety */
306	if (!tb->jmp_next[n]) {
307	/* patch the native jump address */
308	tb_set_jmp_target(tb, n, (unsigned long)tb_next->tc_ptr);
309
310	/* add in TB jmp circular list */
311	tb->jmp_next[n] = tb_next->jmp_first;
312	tb_next->jmp_first = (TranslationBlock *)((long)(tb) \| (n));
313	}
314	}
315
316	TranslationBlock *tb_find_pc(unsigned long pc_ptr);
317
318	#ifndef offsetof
319	#define offsetof(type, field) ((size_t) &((type *)0)->field)
320	#endif
321
322	#if defined(_WIN32)
323	#define ASM_DATA_SECTION ".section \".data\"\n"
324	#define ASM_PREVIOUS_SECTION ".section .text\n"
325	#elif defined(__APPLE__)
326	#define ASM_DATA_SECTION ".data\n"
327	#define ASM_PREVIOUS_SECTION ".text\n"
328	#else
329	#define ASM_DATA_SECTION ".section \".data\"\n"
330	#define ASM_PREVIOUS_SECTION ".previous\n"
331	#endif
332
333	#define ASM_OP_LABEL_NAME(n, opname) \
334	ASM_NAME(__op_label) #n "." ASM_NAME(opname)
335
336	#if defined(__powerpc__)
337
338	/* we patch the jump instruction directly */
339	#define GOTO_TB(opname, tbparam, n)\
340	do {\
341	asm volatile (ASM_DATA_SECTION\
342	ASM_OP_LABEL_NAME(n, opname) ":\n"\
343	".long 1f\n"\
344	ASM_PREVIOUS_SECTION \
345	"b " ASM_NAME(__op_jmp) #n "\n"\
346	"1:\n");\
347	} while (0)
348
349	#elif defined(__i386__) && defined(USE_DIRECT_JUMP)
350
351	/* we patch the jump instruction directly */
352	#define GOTO_TB(opname, tbparam, n)\
353	do {\
354	asm volatile (".section .data\n"\
355	ASM_OP_LABEL_NAME(n, opname) ":\n"\
356	".long 1f\n"\
357	ASM_PREVIOUS_SECTION \
358	"jmp " ASM_NAME(__op_jmp) #n "\n"\
359	"1:\n");\
360	} while (0)
361
362	#else
363
364	/* jump to next block operations (more portable code, does not need
365	cache flushing, but slower because of indirect jump) */
366	# ifdef VBOX /* bird: GCC4 (and Ming 3.4.x?) will remove the two unused static
367	variables. I've added a dummy __asm__ statement which reference
368	the two variables to prevent this. */
369	# if __GNUC__ >= 4
370	# define GOTO_TB(opname, tbparam, n)\
371	do {\
372	static void __attribute__((unused)) *dummy ## n = &&dummy_label ## n;\
373	static void __attribute__((unused)) *__op_label ## n \
374	__asm__(ASM_OP_LABEL_NAME(n, opname)) = &&label ## n;\
375	__asm__ ("" : : "m" (__op_label ## n), "m" (dummy ## n));\
376	goto (void )(uintptr_t)(((TranslationBlock *)tbparam)->tb_next[n]);\
377	label ## n: ;\
378	dummy_label ## n: ;\
379	} while (0)
380	# else
381	# define GOTO_TB(opname, tbparam, n)\
382	do {\
383	static void __attribute__((unused)) *dummy ## n = &&dummy_label ## n;\
384	static void __attribute__((unused)) *__op_label ## n \
385	__asm__(ASM_OP_LABEL_NAME(n, opname)) = &&label ## n;\
386	goto (void )(uintptr_t)(((TranslationBlock *)tbparam)->tb_next[n]);\
387	label ## n: ;\
388	dummy_label ## n: ;\
389	} while (0)
390	# endif
391	# else /* !VBOX */
392	#define GOTO_TB(opname, tbparam, n)\
393	do {\
394	static void __attribute__((unused)) *dummy ## n = &&dummy_label ## n;\
395	static void __attribute__((unused)) *__op_label ## n \
396	__asm__(ASM_OP_LABEL_NAME(n, opname)) = &&label ## n;\
397	goto (void )(((TranslationBlock *)tbparam)->tb_next[n]);\
398	label ## n: ;\
399	dummy_label ## n: ;\
400	} while (0)
401	# endif /* !VBOX */
402
403	#endif
404
405	extern CPUWriteMemoryFunc *io_mem_write[IO_MEM_NB_ENTRIES][4];
406	extern CPUReadMemoryFunc *io_mem_read[IO_MEM_NB_ENTRIES][4];
407	extern void *io_mem_opaque[IO_MEM_NB_ENTRIES];
408
409	#ifdef __powerpc__
410	static inline int testandset (int *p)
411	{
412	int ret;
413	__asm__ __volatile__ (
414	"0: lwarx %0,0,%1\n"
415	" xor. %0,%3,%0\n"
416	" bne 1f\n"
417	" stwcx. %2,0,%1\n"
418	" bne- 0b\n"
419	"1: "
420	: "=&r" (ret)
421	: "r" (p), "r" (1), "r" (0)
422	: "cr0", "memory");
423	return ret;
424	}
425	#endif
426
427	#ifdef __i386__
428	static inline int testandset (int *p)
429	{
430	long int readval = 0;
431
432	__asm__ __volatile__ ("lock; cmpxchgl %2, %0"
433	: "+m" (*p), "+a" (readval)
434	: "r" (1)
435	: "cc");
436	return readval;
437	}
438	#endif
439
440	#ifdef __x86_64__
441	static inline int testandset (int *p)
442	{
443	long int readval = 0;
444
445	__asm__ __volatile__ ("lock; cmpxchgl %2, %0"
446	: "+m" (*p), "+a" (readval)
447	: "r" (1)
448	: "cc");
449	return readval;
450	}
451	#endif
452
453	#ifdef __s390__
454	static inline int testandset (int *p)
455	{
456	int ret;
457
458	__asm__ __volatile__ ("0: cs %0,%1,0(%2)\n"
459	" jl 0b"
460	: "=&d" (ret)
461	: "r" (1), "a" (p), "0" (*p)
462	: "cc", "memory" );
463	return ret;
464	}
465	#endif
466
467	#ifdef __alpha__
468	static inline int testandset (int *p)
469	{
470	int ret;
471	unsigned long one;
472
473	__asm__ __volatile__ ("0: mov 1,%2\n"
474	" ldl_l %0,%1\n"
475	" stl_c %2,%1\n"
476	" beq %2,1f\n"
477	".subsection 2\n"
478	"1: br 0b\n"
479	".previous"
480	: "=r" (ret), "=m" (*p), "=r" (one)
481	: "m" (*p));
482	return ret;
483	}
484	#endif
485
486	#ifdef __sparc__
487	static inline int testandset (int *p)
488	{
489	int ret;
490
491	__asm__ __volatile__("ldstub [%1], %0"
492	: "=r" (ret)
493	: "r" (p)
494	: "memory");
495
496	return (ret ? 1 : 0);
497	}
498	#endif
499
500	#ifdef __arm__
501	static inline int testandset (int *spinlock)
502	{
503	register unsigned int ret;
504	__asm__ __volatile__("swp %0, %1, [%2]"
505	: "=r"(ret)
506	: "0"(1), "r"(spinlock));
507
508	return ret;
509	}
510	#endif
511
512	#ifdef __mc68000
513	static inline int testandset (int *p)
514	{
515	char ret;
516	__asm__ __volatile__("tas %1; sne %0"
517	: "=r" (ret)
518	: "m" (p)
519	: "cc","memory");
520	return ret;
521	}
522	#endif
523
524	#ifdef __ia64
525	#include <ia64intrin.h>
526
527	static inline int testandset (int *p)
528	{
529	return __sync_lock_test_and_set (p, 1);
530	}
531	#endif
532
533	typedef int spinlock_t;
534
535	#define SPIN_LOCK_UNLOCKED 0
536
537	#if defined(CONFIG_USER_ONLY)
538	static inline void spin_lock(spinlock_t *lock)
539	{
540	while (testandset(lock));
541	}
542
543	static inline void spin_unlock(spinlock_t *lock)
544	{
545	*lock = 0;
546	}
547
548	static inline int spin_trylock(spinlock_t *lock)
549	{
550	return !testandset(lock);
551	}
552	#else
553	static inline void spin_lock(spinlock_t *lock)
554	{
555	}
556
557	static inline void spin_unlock(spinlock_t *lock)
558	{
559	}
560
561	static inline int spin_trylock(spinlock_t *lock)
562	{
563	return 1;
564	}
565	#endif
566
567	extern spinlock_t tb_lock;
568
569	extern int tb_invalidated_flag;
570
571	#if !defined(CONFIG_USER_ONLY)
572
573	void tlb_fill(target_ulong addr, int is_write, int is_user,
574	void *retaddr);
575
576	#define ACCESS_TYPE 3
577	#define MEMSUFFIX _code
578	#define env cpu_single_env
579
580	#define DATA_SIZE 1
581	#include "softmmu_header.h"
582
583	#define DATA_SIZE 2
584	#include "softmmu_header.h"
585
586	#define DATA_SIZE 4
587	#include "softmmu_header.h"
588
589	#define DATA_SIZE 8
590	#include "softmmu_header.h"
591
592	#undef ACCESS_TYPE
593	#undef MEMSUFFIX
594	#undef env
595
596	#endif
597
598	#if defined(CONFIG_USER_ONLY)
599	static inline target_ulong get_phys_addr_code(CPUState *env, target_ulong addr)
600	{
601	return addr;
602	}
603	#else
604	# ifdef VBOX
605	target_ulong remR3PhysGetPhysicalAddressCode(CPUState env, target_ulong addr, CPUTLBEntry pTLBEntry);
606	# if !defined(REM_PHYS_ADDR_IN_TLB)
607	target_ulong remR3HCVirt2GCPhys(void env, void addr);
608	# endif
609	# endif
610	/* NOTE: this function can trigger an exception */
611	/* NOTE2: the returned address is not exactly the physical address: it
612	is the offset relative to phys_ram_base */
613	static inline target_ulong get_phys_addr_code(CPUState *env, target_ulong addr)
614	{
615	int is_user, index, pd;
616
617	index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
618	#if defined(TARGET_I386)
619	is_user = ((env->hflags & HF_CPL_MASK) == 3);
620	#elif defined (TARGET_PPC)
621	is_user = msr_pr;
622	#elif defined (TARGET_MIPS)
623	is_user = ((env->hflags & MIPS_HFLAG_MODE) == MIPS_HFLAG_UM);
624	#elif defined (TARGET_SPARC)
625	is_user = (env->psrs == 0);
626	#elif defined (TARGET_ARM)
627	is_user = ((env->uncached_cpsr & CPSR_M) == ARM_CPU_MODE_USR);
628	#elif defined (TARGET_SH4)
629	is_user = ((env->sr & SR_MD) == 0);
630	#else
631	#error unimplemented CPU
632	#endif
633	if (__builtin_expect(env->tlb_table[is_user][index].addr_code !=
634	(addr & TARGET_PAGE_MASK), 0)) {
635	ldub_code(addr);
636	}
637	pd = env->tlb_table[is_user][index].addr_code & ~TARGET_PAGE_MASK;
638	if (pd > IO_MEM_ROM && !(pd & IO_MEM_ROMD)) {
639	# ifdef VBOX
640	/* deal with non-MMIO access handlers. */
641	return remR3PhysGetPhysicalAddressCode(env, addr, &env->tlb_table[is_user][index]);
642	# else
643	cpu_abort(env, "Trying to execute code outside RAM or ROM at 0x%08lx\n", addr);
644	# endif
645	}
646	# if defined(VBOX) && defined(REM_PHYS_ADDR_IN_TLB)
647	return addr + env->tlb_table[is_user][index].addend;
648	# elif defined(VBOX)
649	return remR3HCVirt2GCPhys(env, (void *)(addr + env->tlb_table[is_user][index].addend));
650	# else
651	return addr + env->tlb_table[is_user][index].addend - (unsigned long)phys_ram_base;
652	# endif
653	}
654	#endif
655
656
657	#ifdef USE_KQEMU
658	#define KQEMU_MODIFY_PAGE_MASK (0xff & ~(VGA_DIRTY_FLAG \| CODE_DIRTY_FLAG))
659
660	int kqemu_init(CPUState *env);
661	int kqemu_cpu_exec(CPUState *env);
662	void kqemu_flush_page(CPUState *env, target_ulong addr);
663	void kqemu_flush(CPUState *env, int global);
664	void kqemu_set_notdirty(CPUState *env, ram_addr_t ram_addr);
665	void kqemu_modify_page(CPUState *env, ram_addr_t ram_addr);
666	void kqemu_cpu_interrupt(CPUState *env);
667	void kqemu_record_dump(void);
668
669	static inline int kqemu_is_ok(CPUState *env)
670	{
671	return(env->kqemu_enabled &&
672	(env->cr[0] & CR0_PE_MASK) &&
673	!(env->hflags & HF_INHIBIT_IRQ_MASK) &&
674	(env->eflags & IF_MASK) &&
675	!(env->eflags & VM_MASK) &&
676	(env->kqemu_enabled == 2 \|\|
677	((env->hflags & HF_CPL_MASK) == 3 &&
678	(env->eflags & IOPL_MASK) != IOPL_MASK)));
679	}
680
681	#endif

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source: vbox/trunk/src/recompiler/exec-all.h@ 7992

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