src/include/misc.h

#ifndef MISC_H
#define MISC_H

/*
 *  Copyright (C) 2003-2007  Anders Gavare.  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright  
 *     notice, this list of conditions and the following disclaimer in the 
 *     documentation and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 *  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE   
 *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 *  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 *  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 *  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 *  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 *  SUCH DAMAGE.
 *
 *
 *  $Id: misc.h,v 1.251 2007/03/16 14:45:30 debug Exp $
 *
 *  Misc. definitions for gxemul.
 */


#include <sys/types.h>
#include <inttypes.h>

/*
 *  ../../config.h contains #defines set by the configure script. Some of these
 *  might reduce speed of the emulator, so don't enable them unless you
 *  need them.
 */

#include "../../config.h"


#ifdef NO_C99_PRINTF_DEFINES
/*
 *  This is a SUPER-UGLY HACK which happens to work on some machines.
 *  The correct solution is to upgrade your compiler to C99.
 */
#ifdef NO_C99_64BIT_LONGLONG
#define PRIi8           "i"
#define PRIi16          "i"
#define PRIi32          "i"
#define PRIi64          "lli"
#define PRIx8           "x"
#define PRIx16          "x"
#define PRIx32          "x"
#define PRIx64          "llx"
#else
#define PRIi8           "i"
#define PRIi16          "i"
#define PRIi32          "i"
#define PRIi64          "li"
#define PRIx8           "x"
#define PRIx16          "x"
#define PRIx32          "x"
#define PRIx64          "lx"
#endif
#endif


#ifdef NO_MAP_ANON
#ifdef mmap
#undef mmap
#endif
#include <fcntl.h>
#include <stdlib.h>
#include <sys/mman.h>
static void *no_map_anon_mmap(void *addr, size_t len, int prot, int flags,
        int nonsense_fd, off_t offset)
{
        void *p;
        int fd = open("/dev/zero", O_RDWR);
        if (fd < 0) {
                fprintf(stderr, "Could not open /dev/zero\n");
                exit(1);
        }

        printf("addr=%p len=%lli prot=0x%x flags=0x%x nonsense_fd=%i "
            "offset=%16lli\n", addr, (long long) len, prot, flags,
            nonsense_fd, (long long) offset);

        p = mmap(addr, len, prot, flags, fd, offset);

        printf("p = %p\n", p);

        /*  TODO: Close the descriptor?  */
        return p;
}
#define mmap no_map_anon_mmap
#endif


struct cpu;
struct emul;
struct machine;
struct memory;


#define NO_BYTE_ORDER_OVERRIDE          -1
#define EMUL_UNDEFINED_ENDIAN           0
#define EMUL_LITTLE_ENDIAN              1
#define EMUL_BIG_ENDIAN                 2

#ifdef HOST_LITTLE_ENDIAN
#define LE16_TO_HOST(x)     (x)
#define BE16_TO_HOST(x)     ((((x) & 0xff00) >> 8) | (((x)&0xff) << 8))
#else
#define LE16_TO_HOST(x)     ((((x) & 0xff00) >> 8) | (((x)&0xff) << 8))
#define BE16_TO_HOST(x)     (x)
#endif

#ifdef HOST_LITTLE_ENDIAN
#define LE32_TO_HOST(x)     (x)
#define BE32_TO_HOST(x)     ((((x) & 0xff000000) >> 24) | (((x)&0xff) << 24) | \
                             (((x) & 0xff0000) >> 8) | (((x) & 0xff00) << 8))
#else
#define LE32_TO_HOST(x)     ((((x) & 0xff000000) >> 24) | (((x)&0xff) << 24) | \
                             (((x) & 0xff0000) >> 8) | (((x) & 0xff00) << 8))
#define BE32_TO_HOST(x)     (x)
#endif

#ifdef HOST_LITTLE_ENDIAN
#define LE64_TO_HOST(x)     (x)
#define BE64_TO_HOST(x)     (   (((x) >> 56) & 0xff) +                  \
                                ((((x) >> 48) & 0xff) << 8) +           \
                                ((((x) >> 40) & 0xff) << 16) +          \
                                ((((x) >> 32) & 0xff) << 24) +          \
                                ((((x) >> 24) & 0xff) << 32) +          \
                                ((((x) >> 16) & 0xff) << 40) +          \
                                ((((x) >> 8) & 0xff) << 48) +           \
                                (((x) & 0xff) << 56)  )
#else
#define BE64_TO_HOST(x)     (x)
#define LE64_TO_HOST(x)     (   (((x) >> 56) & 0xff) +                  \
                                ((((x) >> 48) & 0xff) << 8) +           \
                                ((((x) >> 40) & 0xff) << 16) +          \
                                ((((x) >> 32) & 0xff) << 24) +          \
                                ((((x) >> 24) & 0xff) << 32) +          \
                                ((((x) >> 16) & 0xff) << 40) +          \
                                ((((x) >> 8) & 0xff) << 48) +           \
                                (((x) & 0xff) << 56)  )
#endif


/*  Debug stuff:  */
#define DEBUG_BUFSIZE           1024
#define DEBUG_INDENTATION       4


/*  bootblock.c:  */
int load_bootblock(struct machine *m, struct cpu *cpu,
        int *n_loadp, char ***load_namesp);


/*  bootblock_apple.c:  */
int apple_load_bootblock(struct machine *m, struct cpu *cpu,
        int disk_id, int disk_type, int *n_loadp, char ***load_namesp);


/*  bootblock_iso9660.c:  */
int iso_load_bootblock(struct machine *m, struct cpu *cpu,
        int disk_id, int disk_type, int iso_type, unsigned char *buf,
        int *n_loadp, char ***load_namesp);


/*  dec_prom.c:  */
int decstation_prom_emul(struct cpu *cpu);


/*  dreamcast.c:  */
void dreamcast_machine_setup(struct machine *);
int dreamcast_emul(struct cpu *cpu);


/*  dreamcast_scramble.c:  */
void dreamcast_descramble(char *from, char *to);


/*  file.c:  */
int file_n_executables_loaded(void);
void file_load(struct machine *machine, struct memory *mem,
        char *filename, uint64_t *entrypointp,
        int arch, uint64_t *gpp, int *byte_order, uint64_t *tocp);


/*  main.c:  */
void debug_indentation(int diff);
void debug(char *fmt, ...);
void fatal(char *fmt, ...);


/*  misc.c:  */
unsigned long long mystrtoull(const char *s, char **endp, int base);
int mymkstemp(char *template);
#ifdef USE_STRLCPY_REPLACEMENTS
size_t mystrlcpy(char *dst, const char *src, size_t size);
size_t mystrlcat(char *dst, const char *src, size_t size);
#endif


/*  pc_bios.c:  */
void pc_bios_simple_pmode_setup(struct cpu *cpu);
void pc_bios_init(struct cpu *cpu);
int pc_bios_emul(struct cpu *cpu);


/*  ps2_bios.c:  */
int playstation2_sifbios_emul(struct cpu *cpu);


/*  sh_ipl_g.c:  */
void sh_ipl_g_emul_init(struct machine *machine);
int sh_ipl_g_emul(struct cpu *);


/*  useremul.c:  */
void useremul_setup(struct cpu *, int, char **);
void useremul_syscall(struct cpu *cpu, uint32_t code);
void useremul_name_to_useremul(struct cpu *, char *name,
        int *arch, char **machine_name, char **cpu_name);
void useremul_list_emuls(void);
void useremul_init(void);


/*  yamon.c:  */
void yamon_machine_setup(struct machine *machine, uint64_t env);
int yamon_emul(struct cpu *);


#endif  /*  MISC_H  */
1	#ifndef MISC_H
2	#define MISC_H
3
4	/*
5	* Copyright (C) 2003-2007 Anders Gavare. All rights reserved.
6	*
7	* Redistribution and use in source and binary forms, with or without
8	* modification, are permitted provided that the following conditions are met:
9	*
10	* 1. Redistributions of source code must retain the above copyright
11	* notice, this list of conditions and the following disclaimer.
12	* 2. Redistributions in binary form must reproduce the above copyright
13	* notice, this list of conditions and the following disclaimer in the
14	* documentation and/or other materials provided with the distribution.
15	* 3. The name of the author may not be used to endorse or promote products
16	* derived from this software without specific prior written permission.
17	*
18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28	* SUCH DAMAGE.
29	*
30	*
31	* $Id: misc.h,v 1.251 2007/03/16 14:45:30 debug Exp $
32	*
33	* Misc. definitions for gxemul.
34	*/
35
36
37	#include <sys/types.h>
38	#include <inttypes.h>
39
40	/*
41	* ../../config.h contains #defines set by the configure script. Some of these
42	* might reduce speed of the emulator, so don't enable them unless you
43	* need them.
44	*/
45
46	#include "../../config.h"
47
48
49	#ifdef NO_C99_PRINTF_DEFINES
50	/*
51	* This is a SUPER-UGLY HACK which happens to work on some machines.
52	* The correct solution is to upgrade your compiler to C99.
53	*/
54	#ifdef NO_C99_64BIT_LONGLONG
55	#define PRIi8 "i"
56	#define PRIi16 "i"
57	#define PRIi32 "i"
58	#define PRIi64 "lli"
59	#define PRIx8 "x"
60	#define PRIx16 "x"
61	#define PRIx32 "x"
62	#define PRIx64 "llx"
63	#else
64	#define PRIi8 "i"
65	#define PRIi16 "i"
66	#define PRIi32 "i"
67	#define PRIi64 "li"
68	#define PRIx8 "x"
69	#define PRIx16 "x"
70	#define PRIx32 "x"
71	#define PRIx64 "lx"
72	#endif
73	#endif
74
75
76	#ifdef NO_MAP_ANON
77	#ifdef mmap
78	#undef mmap
79	#endif
80	#include <fcntl.h>
81	#include <stdlib.h>
82	#include <sys/mman.h>
83	static void no_map_anon_mmap(void addr, size_t len, int prot, int flags,
84	int nonsense_fd, off_t offset)
85	{
86	void *p;
87	int fd = open("/dev/zero", O_RDWR);
88	if (fd < 0) {
89	fprintf(stderr, "Could not open /dev/zero\n");
90	exit(1);
91	}
92
93	printf("addr=%p len=%lli prot=0x%x flags=0x%x nonsense_fd=%i "
94	"offset=%16lli\n", addr, (long long) len, prot, flags,
95	nonsense_fd, (long long) offset);
96
97	p = mmap(addr, len, prot, flags, fd, offset);
98
99	printf("p = %p\n", p);
100
101	/* TODO: Close the descriptor? */
102	return p;
103	}
104	#define mmap no_map_anon_mmap
105	#endif
106
107
108	struct cpu;
109	struct emul;
110	struct machine;
111	struct memory;
112
113
114	#define NO_BYTE_ORDER_OVERRIDE -1
115	#define EMUL_UNDEFINED_ENDIAN 0
116	#define EMUL_LITTLE_ENDIAN 1
117	#define EMUL_BIG_ENDIAN 2
118
119	#ifdef HOST_LITTLE_ENDIAN
120	#define LE16_TO_HOST(x) (x)
121	#define BE16_TO_HOST(x) ((((x) & 0xff00) >> 8) \| (((x)&0xff) << 8))
122	#else
123	#define LE16_TO_HOST(x) ((((x) & 0xff00) >> 8) \| (((x)&0xff) << 8))
124	#define BE16_TO_HOST(x) (x)
125	#endif
126
127	#ifdef HOST_LITTLE_ENDIAN
128	#define LE32_TO_HOST(x) (x)
129	#define BE32_TO_HOST(x) ((((x) & 0xff000000) >> 24) \| (((x)&0xff) << 24) \| \
130	(((x) & 0xff0000) >> 8) \| (((x) & 0xff00) << 8))
131	#else
132	#define LE32_TO_HOST(x) ((((x) & 0xff000000) >> 24) \| (((x)&0xff) << 24) \| \
133	(((x) & 0xff0000) >> 8) \| (((x) & 0xff00) << 8))
134	#define BE32_TO_HOST(x) (x)
135	#endif
136
137	#ifdef HOST_LITTLE_ENDIAN
138	#define LE64_TO_HOST(x) (x)
139	#define BE64_TO_HOST(x) ( (((x) >> 56) & 0xff) + \
140	((((x) >> 48) & 0xff) << 8) + \
141	((((x) >> 40) & 0xff) << 16) + \
142	((((x) >> 32) & 0xff) << 24) + \
143	((((x) >> 24) & 0xff) << 32) + \
144	((((x) >> 16) & 0xff) << 40) + \
145	((((x) >> 8) & 0xff) << 48) + \
146	(((x) & 0xff) << 56) )
147	#else
148	#define BE64_TO_HOST(x) (x)
149	#define LE64_TO_HOST(x) ( (((x) >> 56) & 0xff) + \
150	((((x) >> 48) & 0xff) << 8) + \
151	((((x) >> 40) & 0xff) << 16) + \
152	((((x) >> 32) & 0xff) << 24) + \
153	((((x) >> 24) & 0xff) << 32) + \
154	((((x) >> 16) & 0xff) << 40) + \
155	((((x) >> 8) & 0xff) << 48) + \
156	(((x) & 0xff) << 56) )
157	#endif
158
159
160	/* Debug stuff: */
161	#define DEBUG_BUFSIZE 1024
162	#define DEBUG_INDENTATION 4
163
164
165	/* bootblock.c: */
166	int load_bootblock(struct machine m, struct cpu cpu,
167	int n_loadp, char **load_namesp);
168
169
170	/* bootblock_apple.c: */
171	int apple_load_bootblock(struct machine m, struct cpu cpu,
172	int disk_id, int disk_type, int n_loadp, char **load_namesp);
173
174
175	/* bootblock_iso9660.c: */
176	int iso_load_bootblock(struct machine m, struct cpu cpu,
177	int disk_id, int disk_type, int iso_type, unsigned char *buf,
178	int n_loadp, char **load_namesp);
179
180
181	/* dec_prom.c: */
182	int decstation_prom_emul(struct cpu *cpu);
183
184
185	/* dreamcast.c: */
186	void dreamcast_machine_setup(struct machine *);
187	int dreamcast_emul(struct cpu *cpu);
188
189
190	/* dreamcast_scramble.c: */
191	void dreamcast_descramble(char from, char to);
192
193
194	/* file.c: */
195	int file_n_executables_loaded(void);
196	void file_load(struct machine machine, struct memory mem,
197	char filename, uint64_t entrypointp,
198	int arch, uint64_t gpp, int byte_order, uint64_t *tocp);
199
200
201	/* main.c: */
202	void debug_indentation(int diff);
203	void debug(char *fmt, ...);
204	void fatal(char *fmt, ...);
205
206
207	/* misc.c: */
208	unsigned long long mystrtoull(const char s, char *endp, int base);
209	int mymkstemp(char *template);
210	#ifdef USE_STRLCPY_REPLACEMENTS
211	size_t mystrlcpy(char dst, const char src, size_t size);
212	size_t mystrlcat(char dst, const char src, size_t size);
213	#endif
214
215
216	/* pc_bios.c: */
217	void pc_bios_simple_pmode_setup(struct cpu *cpu);
218	void pc_bios_init(struct cpu *cpu);
219	int pc_bios_emul(struct cpu *cpu);
220
221
222	/* ps2_bios.c: */
223	int playstation2_sifbios_emul(struct cpu *cpu);
224
225
226	/* sh_ipl_g.c: */
227	void sh_ipl_g_emul_init(struct machine *machine);
228	int sh_ipl_g_emul(struct cpu *);
229
230
231	/* useremul.c: */
232	void useremul_setup(struct cpu , int, char *);
233	void useremul_syscall(struct cpu *cpu, uint32_t code);
234	void useremul_name_to_useremul(struct cpu , char name,
235	int arch, char machine_name, char *cpu_name);
236	void useremul_list_emuls(void);
237	void useremul_init(void);
238
239
240	/* yamon.c: */
241	void yamon_machine_setup(struct machine *machine, uint64_t env);
242	int yamon_emul(struct cpu *);
243
244
245	#endif /* MISC_H */