src/include/misc.h

#ifndef MISC_H
#define MISC_H

/*
 *  Copyright (C) 2003-2006  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 1.241 2006/06/16 18:31:26 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 PRIi16          "i"
#define PRIi32          "i"
#define PRIi64          "lli"
#define PRIx16          "x"
#define PRIx32          "x"
#define PRIx64          "llx"
#else
#define PRIi16          "i"
#define PRIi32          "i"
#define PRIi64          "li"
#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_LITTLE_ENDIAN              0
#define EMUL_BIG_ENDIAN                 1

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

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


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


/*  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);


/*  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:  */
int yamon_emul(struct cpu *cpu);


#endif  /*  MISC_H  */
1	#ifndef MISC_H
2	#define MISC_H
3
4	/*
5	* Copyright (C) 2003-2006 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 1.241 2006/06/16 18:31:26 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 PRIi16 "i"
56	#define PRIi32 "i"
57	#define PRIi64 "lli"
58	#define PRIx16 "x"
59	#define PRIx32 "x"
60	#define PRIx64 "llx"
61	#else
62	#define PRIi16 "i"
63	#define PRIi32 "i"
64	#define PRIi64 "li"
65	#define PRIx16 "x"
66	#define PRIx32 "x"
67	#define PRIx64 "lx"
68	#endif
69	#endif
70
71
72	#ifdef NO_MAP_ANON
73	#ifdef mmap
74	#undef mmap
75	#endif
76	#include <fcntl.h>
77	#include <stdlib.h>
78	#include <sys/mman.h>
79	static void no_map_anon_mmap(void addr, size_t len, int prot, int flags,
80	int nonsense_fd, off_t offset)
81	{
82	void *p;
83	int fd = open("/dev/zero", O_RDWR);
84	if (fd < 0) {
85	fprintf(stderr, "Could not open /dev/zero\n");
86	exit(1);
87	}
88
89	printf("addr=%p len=%lli prot=0x%x flags=0x%x nonsense_fd=%i "
90	"offset=%16lli\n", addr, (long long) len, prot, flags,
91	nonsense_fd, (long long) offset);
92
93	p = mmap(addr, len, prot, flags, fd, offset);
94
95	printf("p = %p\n", p);
96
97	/* TODO: Close the descriptor? */
98	return p;
99	}
100	#define mmap no_map_anon_mmap
101	#endif
102
103
104	struct cpu;
105	struct emul;
106	struct machine;
107	struct memory;
108
109
110	#define NO_BYTE_ORDER_OVERRIDE -1
111	#define EMUL_LITTLE_ENDIAN 0
112	#define EMUL_BIG_ENDIAN 1
113
114	#ifdef HOST_LITTLE_ENDIAN
115	#define LE32_TO_HOST(x) (x)
116	#define BE32_TO_HOST(x) ((((x) & 0xff000000) >> 24) \| ((x) << 24) \| \
117	(((x) & 0xff0000) >> 8) \| (((x) & 0xff00) << 8))
118	#else
119	#define LE32_TO_HOST(x) ((((x) & 0xff000000) >> 24) \| ((x) << 24) \| \
120	(((x) & 0xff0000) >> 8) \| (((x) & 0xff00) << 8))
121	#define BE32_TO_HOST(x) (x)
122	#endif
123
124	/* Debug stuff: */
125	#define DEBUG_BUFSIZE 1024
126	#define DEBUG_INDENTATION 4
127
128
129	/* dec_prom.c: */
130	int decstation_prom_emul(struct cpu *cpu);
131
132
133	/* file.c: */
134	int file_n_executables_loaded(void);
135	void file_load(struct machine machine, struct memory mem,
136	char filename, uint64_t entrypointp,
137	int arch, uint64_t gpp, int byte_order, uint64_t *tocp);
138
139
140	/* main.c: */
141	void debug_indentation(int diff);
142	void debug(char *fmt, ...);
143	void fatal(char *fmt, ...);
144
145
146	/* misc.c: */
147	unsigned long long mystrtoull(const char s, char *endp, int base);
148	int mymkstemp(char *template);
149	#ifdef USE_STRLCPY_REPLACEMENTS
150	size_t mystrlcpy(char dst, const char src, size_t size);
151	size_t mystrlcat(char dst, const char src, size_t size);
152	#endif
153
154
155	/* pc_bios.c: */
156	void pc_bios_simple_pmode_setup(struct cpu *cpu);
157	void pc_bios_init(struct cpu *cpu);
158	int pc_bios_emul(struct cpu *cpu);
159
160
161	/* ps2_bios.c: */
162	int playstation2_sifbios_emul(struct cpu *cpu);
163
164
165	/* useremul.c: */
166	void useremul_setup(struct cpu , int, char *);
167	void useremul_syscall(struct cpu *cpu, uint32_t code);
168	void useremul_name_to_useremul(struct cpu , char name,
169	int arch, char machine_name, char *cpu_name);
170	void useremul_list_emuls(void);
171	void useremul_init(void);
172
173
174	/* yamon.c: */
175	int yamon_emul(struct cpu *cpu);
176
177
178	#endif /* MISC_H */