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root/cebix/BasiliskII/src/MacOSX/sysdeps.h
Revision: 1.3
Committed: 2002-10-31T08:52:59Z (22 years ago) by nigel
Content type: text/plain
Branch: MAIN
Changes since 1.2: +8 -5 lines
Log Message:
SOme 10.2 compile fixes

File Contents

# User Rev Content
1 nigel 1.1 /*
2     * sysdeps.h - System dependent definitions for Mac OS X.
3     * Based on Unix version
4     *
5 nigel 1.3 * $Id: sysdeps.h,v 1.2 2002/10/29 14:28:52 nigel Exp $
6 nigel 1.1 *
7     * Basilisk II (C) 1997-2001 Christian Bauer
8     *
9     * This program is free software; you can redistribute it and/or modify
10     * it under the terms of the GNU General Public License as published by
11     * the Free Software Foundation; either version 2 of the License, or
12     * (at your option) any later version.
13     *
14     * This program is distributed in the hope that it will be useful,
15     * but WITHOUT ANY WARRANTY; without even the implied warranty of
16     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17     * GNU General Public License for more details.
18     *
19     * You should have received a copy of the GNU General Public License
20     * along with this program; if not, write to the Free Software
21     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22     */
23    
24     #ifndef SYSDEPS_H
25     #define SYSDEPS_H
26    
27     #ifndef __STDC__
28     #error "Your compiler is not ANSI. Get a real one."
29     #endif
30    
31     #include "config.h"
32     #include "user_strings_unix.h"
33    
34     #ifndef STDC_HEADERS
35     #error "You don't have ANSI C header files."
36     #endif
37    
38     #ifdef HAVE_UNISTD_H
39     # include <sys/types.h>
40     # include <unistd.h>
41     #endif
42    
43     #include <netinet/in.h>
44     #include <assert.h>
45     #include <stdio.h>
46     #include <stdlib.h>
47     #include <string.h>
48    
49     #ifdef HAVE_FCNTL_H
50     # include <fcntl.h>
51     #endif
52    
53     #ifdef TIME_WITH_SYS_TIME
54     # include <sys/time.h>
55     # include <time.h>
56     #else
57     # ifdef HAVE_SYS_TIME_H
58     # include <sys/time.h>
59     # else
60     # include <time.h>
61     # endif
62     #endif
63    
64    
65 nigel 1.3 #ifdef AVAILABILITYMACROS
66     # include <AvailabilityMacros.h>
67     #endif
68 nigel 1.2
69 nigel 1.1 /* Emulator and host address space are distinct */
70     #ifndef REAL_ADDRESSING
71 nigel 1.2 # define REAL_ADDRESSING 0
72 nigel 1.1 #endif
73    
74     /* Linear address translation (i.e. just an offset between Emulator & host) */
75     #ifndef DIRECT_ADDRESSING
76 nigel 1.2 # ifdef MAC_OS_X_VERSION_10_2
77 nigel 1.3 /* For some reason, compiling on 10.2 with DIRECT_ADDRESSING enabled gives an */
78     /* app that never writes to its screen! (i.e. it never calls most of video.cpp) */
79     # define DIRECT_ADDRESSING 1
80     //# define DIRECT_ADDRESSING 0
81 nigel 1.2 # else
82     # define DIRECT_ADDRESSING 1
83     # endif
84 nigel 1.1 #endif
85    
86     /* Using 68k emulator */
87     #define EMULATED_68K 1
88    
89     /* The m68k emulator uses a prefetch buffer ? */
90     #define USE_PREFETCH_BUFFER 0
91    
92     /* Mac ROM is write protected when banked memory is used */
93     #if REAL_ADDRESSING || DIRECT_ADDRESSING
94     # define ROM_IS_WRITE_PROTECTED 0
95     # define USE_SCRATCHMEM_SUBTERFUGE 1
96     #else
97     # define ROM_IS_WRITE_PROTECTED 1
98     #endif
99    
100    
101     /* ExtFS is supported */
102     #define SUPPORTS_EXTFS 1
103    
104    
105     /* Data types */
106     typedef unsigned char uint8;
107     typedef signed char int8;
108     #if SIZEOF_SHORT == 2
109     typedef unsigned short uint16;
110     typedef short int16;
111     #elif SIZEOF_INT == 2
112     typedef unsigned int uint16;
113     typedef int int16;
114     #else
115     #error "No 2 byte type, you lose."
116     #endif
117     #if SIZEOF_INT == 4
118     typedef unsigned int uint32;
119     typedef int int32;
120     #elif SIZEOF_LONG == 4
121     typedef unsigned long uint32;
122     typedef long int32;
123     #else
124     #error "No 4 byte type, you lose."
125     #endif
126     #if SIZEOF_LONG == 8
127     typedef unsigned long uint64;
128     typedef long int64;
129     #define VAL64(a) (a ## l)
130     #define UVAL64(a) (a ## ul)
131     #elif SIZEOF_LONG_LONG == 8
132     typedef unsigned long long uint64;
133     typedef long long int64;
134     #define VAL64(a) (a ## LL)
135     #define UVAL64(a) (a ## uLL)
136     #else
137     #error "No 8 byte type, you lose."
138     #endif
139     #if SIZEOF_VOID_P == 4
140     typedef uint32 uintptr;
141     typedef int32 intptr;
142     #elif SIZEOF_VOID_P == 8
143     typedef uint64 uintptr;
144     typedef int64 intptr;
145     #else
146     #error "Unsupported size of pointer"
147     #endif
148    
149     /* Time data type for Time Manager emulation */
150     #ifdef HAVE_CLOCK_GETTIME
151     typedef struct timespec tm_time_t;
152     #else
153     typedef struct timeval tm_time_t;
154     #endif
155    
156     /* Offset Mac->Unix time in seconds */
157     #define TIME_OFFSET 0x7c25b080
158    
159     /* UAE CPU data types */
160     #define uae_s8 int8
161     #define uae_u8 uint8
162     #define uae_s16 int16
163     #define uae_u16 uint16
164     #define uae_s32 int32
165     #define uae_u32 uint32
166     #define uae_s64 int64
167     #define uae_u64 uint64
168     typedef uae_u32 uaecptr;
169    
170     /* Alignment restrictions */
171     #if defined(__i386__) || defined(__powerpc__) || defined(__m68k__)
172     # define CPU_CAN_ACCESS_UNALIGNED
173     #endif
174    
175     /* Timing functions */
176     extern uint64 GetTicks_usec(void);
177     extern void Delay_usec(uint32 usec);
178    
179     /* UAE CPU defines */
180     #ifdef WORDS_BIGENDIAN
181    
182     #ifdef CPU_CAN_ACCESS_UNALIGNED
183    
184     /* Big-endian CPUs which can do unaligned accesses */
185     static inline uae_u32 do_get_mem_long(uae_u32 *a) {return *a;}
186     static inline uae_u32 do_get_mem_word(uae_u16 *a) {return *a;}
187     static inline void do_put_mem_long(uae_u32 *a, uae_u32 v) {*a = v;}
188     static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {*a = v;}
189    
190     #else /* CPU_CAN_ACCESS_UNALIGNED */
191    
192     #ifdef sgi
193     /* The SGI MIPSPro compilers can do unaligned accesses given enough hints.
194     * They will automatically inline these routines. */
195     #ifdef __cplusplus
196     extern "C" { /* only the C compiler does unaligned accesses */
197     #endif
198     extern uae_u32 do_get_mem_long(uae_u32 *a);
199     extern uae_u32 do_get_mem_word(uae_u16 *a);
200     extern void do_put_mem_long(uae_u32 *a, uae_u32 v);
201     extern void do_put_mem_word(uae_u16 *a, uae_u32 v);
202     #ifdef __cplusplus
203     }
204     #endif
205    
206     #else /* sgi */
207    
208     /* Big-endian CPUs which can not do unaligned accesses (this is not the most efficient way to do this...) */
209     static inline uae_u32 do_get_mem_long(uae_u32 *a) {uint8 *b = (uint8 *)a; return (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3];}
210     static inline uae_u32 do_get_mem_word(uae_u16 *a) {uint8 *b = (uint8 *)a; return (b[0] << 8) | b[1];}
211     static inline void do_put_mem_long(uae_u32 *a, uae_u32 v) {uint8 *b = (uint8 *)a; b[0] = v >> 24; b[1] = v >> 16; b[2] = v >> 8; b[3] = v;}
212     static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {uint8 *b = (uint8 *)a; b[0] = v >> 8; b[1] = v;}
213     #endif /* sgi */
214    
215     #endif /* CPU_CAN_ACCESS_UNALIGNED */
216    
217     #else /* WORDS_BIGENDIAN */
218    
219     #ifdef __i386__
220    
221     /* Intel x86 */
222     #define X86_PPRO_OPT
223     static inline uae_u32 do_get_mem_long(uae_u32 *a) {uint32 retval; __asm__ ("bswap %0" : "=r" (retval) : "0" (*a) : "cc"); return retval;}
224     #ifdef X86_PPRO_OPT
225     static inline uae_u32 do_get_mem_word(uae_u16 *a) {uint32 retval; __asm__ ("movzwl %w1,%k0\n\tshll $16,%k0\n\tbswapl %k0\n" : "=&r" (retval) : "m" (*a) : "cc"); return retval;}
226     #else
227     static inline uae_u32 do_get_mem_word(uae_u16 *a) {uint32 retval; __asm__ ("xorl %k0,%k0\n\tmovw %w1,%w0\n\trolw $8,%w0" : "=&r" (retval) : "m" (*a) : "cc"); return retval;}
228     #endif
229     #define HAVE_GET_WORD_UNSWAPPED
230     #define do_get_mem_word_unswapped(a) ((uae_u32)*((uae_u16 *)(a)))
231     static inline void do_put_mem_long(uae_u32 *a, uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v) : "cc"); *a = v;}
232     #ifdef X86_PPRO_OPT
233     static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {__asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc"); *a = v;}
234     #else
235     static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); *a = v;}
236     #endif
237     #define HAVE_OPTIMIZED_BYTESWAP_32
238     /* bswap doesn't affect condition codes */
239     static inline uae_u32 do_byteswap_32(uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v)); return v;}
240     #define HAVE_OPTIMIZED_BYTESWAP_16
241     #ifdef X86_PPRO_OPT
242     static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc"); return v;}
243     #else
244     static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); return v;}
245     #endif
246    
247     #elif defined(CPU_CAN_ACCESS_UNALIGNED)
248    
249     /* Other little-endian CPUs which can do unaligned accesses */
250     static inline uae_u32 do_get_mem_long(uae_u32 *a) {uint32 x = *a; return (x >> 24) | (x >> 8) & 0xff00 | (x << 8) & 0xff0000 | (x << 24);}
251     static inline uae_u32 do_get_mem_word(uae_u16 *a) {uint16 x = *a; return (x >> 8) | (x << 8);}
252     static inline void do_put_mem_long(uae_u32 *a, uae_u32 v) {*a = (v >> 24) | (v >> 8) & 0xff00 | (v << 8) & 0xff0000 | (v << 24);}
253     static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {*a = (v >> 8) | (v << 8);}
254    
255     #else /* CPU_CAN_ACCESS_UNALIGNED */
256    
257     /* Other little-endian CPUs which can not do unaligned accesses (this needs optimization) */
258     static inline uae_u32 do_get_mem_long(uae_u32 *a) {uint8 *b = (uint8 *)a; return (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3];}
259     static inline uae_u32 do_get_mem_word(uae_u16 *a) {uint8 *b = (uint8 *)a; return (b[0] << 8) | b[1];}
260     static inline void do_put_mem_long(uae_u32 *a, uae_u32 v) {uint8 *b = (uint8 *)a; b[0] = v >> 24; b[1] = v >> 16; b[2] = v >> 8; b[3] = v;}
261     static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {uint8 *b = (uint8 *)a; b[0] = v >> 8; b[1] = v;}
262    
263     #endif /* CPU_CAN_ACCESS_UNALIGNED */
264    
265     #endif /* WORDS_BIGENDIAN */
266    
267     #ifndef HAVE_OPTIMIZED_BYTESWAP_32
268     static inline uae_u32 do_byteswap_32(uae_u32 v)
269     { return (((v >> 24) & 0xff) | ((v >> 8) & 0xff00) | ((v & 0xff) << 24) | ((v & 0xff00) << 8)); }
270     #endif
271    
272     #ifndef HAVE_OPTIMIZED_BYTESWAP_16
273     static inline uae_u32 do_byteswap_16(uae_u32 v)
274     { return (((v >> 8) & 0xff) | ((v & 0xff) << 8)); }
275     #endif
276    
277     #define do_get_mem_byte(a) ((uae_u32)*((uae_u8 *)(a)))
278     #define do_put_mem_byte(a, v) (*(uae_u8 *)(a) = (v))
279    
280     #define call_mem_get_func(func, addr) ((*func)(addr))
281     #define call_mem_put_func(func, addr, v) ((*func)(addr, v))
282     #define __inline__ inline
283     #define CPU_EMU_SIZE 0
284     #undef NO_INLINE_MEMORY_ACCESS
285     #undef MD_HAVE_MEM_1_FUNCS
286     #define ENUMDECL typedef enum
287     #define ENUMNAME(name) name
288     #define write_log printf
289     #undef USE_MAPPED_MEMORY
290     #undef CAN_MAP_MEMORY
291    
292     #ifdef X86_ASSEMBLY
293     #define ASM_SYM_FOR_FUNC(a) __asm__(a)
294     #else
295     #define ASM_SYM_FOR_FUNC(a)
296     #endif
297    
298     #ifndef REGPARAM
299     # define REGPARAM
300     #endif
301     #define REGPARAM2
302    
303     #endif