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 1.242 2006/07/25 21:03:25 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 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


/*  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	dpavlin	4	#ifndef MISC_H
2			#define MISC_H
3
4			/*
5	dpavlin	24	* Copyright (C) 2003-2006 Anders Gavare. All rights reserved.
6	dpavlin	4	*
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	dpavlin	30	* $Id: misc.h,v 1.242 2006/07/25 21:03:25 debug Exp $
32	dpavlin	4	*
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	dpavlin	24
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	dpavlin	4	*/
54	dpavlin	24	#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	dpavlin	4
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	dpavlin	22	#ifdef HOST_LITTLE_ENDIAN
115	dpavlin	30	#define LE16_TO_HOST(x) (x)
116			#define BE16_TO_HOST(x) ((((x) & 0xff00) >> 8) \| (((x)&0xff) << 8))
117			#else
118			#define LE16_TO_HOST(x) ((((x) & 0xff00) >> 8) \| (((x)&0xff) << 8))
119			#define BE16_TO_HOST(x) (x)
120			#endif
121
122			#ifdef HOST_LITTLE_ENDIAN
123	dpavlin	22	#define LE32_TO_HOST(x) (x)
124	dpavlin	30	#define BE32_TO_HOST(x) ((((x) & 0xff000000) >> 24) \| (((x)&0xff) << 24) \| \
125	dpavlin	22	(((x) & 0xff0000) >> 8) \| (((x) & 0xff00) << 8))
126			#else
127	dpavlin	30	#define LE32_TO_HOST(x) ((((x) & 0xff000000) >> 24) \| (((x)&0xff) << 24) \| \
128	dpavlin	22	(((x) & 0xff0000) >> 8) \| (((x) & 0xff00) << 8))
129			#define BE32_TO_HOST(x) (x)
130			#endif
131	dpavlin	4
132	dpavlin	30
133	dpavlin	4	/* Debug stuff: */
134			#define DEBUG_BUFSIZE 1024
135	dpavlin	22	#define DEBUG_INDENTATION 4
136	dpavlin	4
137
138			/* dec_prom.c: */
139			int decstation_prom_emul(struct cpu *cpu);
140
141
142			/* file.c: */
143			int file_n_executables_loaded(void);
144			void file_load(struct machine machine, struct memory mem,
145			char filename, uint64_t entrypointp,
146			int arch, uint64_t gpp, int byte_order, uint64_t *tocp);
147
148
149			/* main.c: */
150			void debug_indentation(int diff);
151			void debug(char *fmt, ...);
152			void fatal(char *fmt, ...);
153	dpavlin	10
154
155			/* misc.c: */
156	dpavlin	4	unsigned long long mystrtoull(const char s, char *endp, int base);
157	dpavlin	10	int mymkstemp(char *template);
158			#ifdef USE_STRLCPY_REPLACEMENTS
159			size_t mystrlcpy(char dst, const char src, size_t size);
160			size_t mystrlcat(char dst, const char src, size_t size);
161			#endif
162	dpavlin	4
163
164			/* pc_bios.c: */
165	dpavlin	6	void pc_bios_simple_pmode_setup(struct cpu *cpu);
166			void pc_bios_init(struct cpu *cpu);
167	dpavlin	4	int pc_bios_emul(struct cpu *cpu);
168
169
170			/* ps2_bios.c: */
171			int playstation2_sifbios_emul(struct cpu *cpu);
172
173
174			/* useremul.c: */
175			void useremul_setup(struct cpu , int, char *);
176			void useremul_syscall(struct cpu *cpu, uint32_t code);
177			void useremul_name_to_useremul(struct cpu , char name,
178			int arch, char machine_name, char *cpu_name);
179			void useremul_list_emuls(void);
180			void useremul_init(void);
181
182
183	dpavlin	10	/* yamon.c: */
184			int yamon_emul(struct cpu *cpu);
185
186
187	dpavlin	4	#endif /* MISC_H */