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root/cebix/BasiliskII/src/BeOS/sysdeps.h
Revision: 1.20
Committed: 2008-01-01T09:40:32Z (16 years, 10 months ago) by gbeauche
Content type: text/plain
Branch: MAIN
CVS Tags: HEAD
Changes since 1.19: +1 -1 lines
Log Message:
Happy New Year!

File Contents

# Content
1 /*
2 * sysdeps.h - System dependent definitions for BeOS
3 *
4 * Basilisk II (C) 1997-2008 Christian Bauer
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program 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
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21 #ifndef SYSDEPS_H
22 #define SYSDEPS_H
23
24 #ifdef __POWERPC__
25 #define NO_STD_NAMESPACE
26 #endif
27
28 #include <assert.h>
29 #include <support/SupportDefs.h>
30 #include <support/ByteOrder.h>
31
32 #include "user_strings_beos.h"
33
34 // Are the Mac and the host address space the same?
35 #ifdef __i386__
36 #define REAL_ADDRESSING 0
37 #undef WORDS_BIGENDIAN
38 #else
39 #define REAL_ADDRESSING 1
40 #define WORDS_BIGENDIAN 1
41 #endif
42
43 // Using 68k emulator
44 #define EMULATED_68K 1
45
46 // Mac ROM is write protected
47 #define ROM_IS_WRITE_PROTECTED 1
48
49 // ExtFS is supported
50 #define SUPPORTS_EXTFS 1
51
52 // BSD socket API is supported
53 #define SUPPORTS_UDP_TUNNEL 1
54
55 // mon is not supported
56 #undef ENABLE_MON
57
58 // Time data type for Time Manager emulation
59 typedef bigtime_t tm_time_t;
60
61 // 64 bit file offsets
62 typedef off_t loff_t;
63
64 // Networking types
65 #define PF_INET AF_INET
66 typedef int socklen_t;
67
68 // UAE CPU data types
69 #define uae_s8 int8
70 #define uae_u8 uint8
71 #define uae_s16 int16
72 #define uae_u16 uint16
73 #define uae_s32 int32
74 #define uae_u32 uint32
75 #define uae_s64 int64
76 #define uae_u64 uint64
77 typedef uae_u32 uaecptr;
78 #define VAL64(a) (a ## LL)
79 #define UVAL64(a) (a ## uLL)
80 typedef uint32 uintptr;
81 typedef int32 intptr;
82
83 /* Timing functions */
84 extern void Delay_usec(uint32 usec);
85
86 // UAE CPU defines
87 #ifdef __i386__
88
89 // Intel x86 assembler optimizations
90 #define X86_PPRO_OPT
91 static inline uae_u32 do_get_mem_long(uae_u32 *a) {uint32 retval; __asm__ ("bswap %0" : "=r" (retval) : "0" (*a) : "cc"); return retval;}
92 #ifdef X86_PPRO_OPT
93 static inline uae_u32 do_get_mem_word(uae_u16 *a) {uint32 retval; __asm__ ("movzwl %w1,%k0\n\tshll $16,%k0\n\tbswap %k0\n" : "=&r" (retval) : "m" (*a) : "cc"); return retval;}
94 #else
95 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;}
96 #endif
97 #define HAVE_GET_WORD_UNSWAPPED
98 #define do_get_mem_word_unswapped(a) ((uae_u32)*((uae_u16 *)(a)))
99 static inline void do_put_mem_long(uae_u32 *a, uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v) : "cc"); *a = v;}
100 #ifdef X86_PPRO_OPT
101 static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {__asm__ ("bswap %0" : "=&r" (v) : "0" (v << 16) : "cc"); *a = v;}
102 #else
103 static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); *a = v;}
104 #endif
105
106 #define X86_ASSEMBLY
107 #define UNALIGNED_PROFITABLE
108 #define OPTIMIZED_FLAGS
109 #define ASM_SYM_FOR_FUNC(a) __asm__(a)
110 #define REGPARAM __attribute__((regparm(3)))
111
112 #else
113
114 // PowerPC (memory.cpp not used, so no optimization neccessary)
115 static inline uae_u32 do_get_mem_long(uae_u32 *a) {return *a;}
116 static inline uae_u32 do_get_mem_word(uae_u16 *a) {return *a;}
117 static inline void do_put_mem_long(uae_u32 *a, uae_u32 v) {*a = v;}
118 static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {*a = v;}
119
120 #undef X86_ASSEMBLY
121 #define UNALIGNED_PROFITABLE
122 #undef OPTIMIZED_FLAGS
123 #define ASM_SYM_FOR_FUNC(a)
124 #define REGPARAM
125 #endif
126
127 #define do_get_mem_byte(a) ((uae_u32)*((uae_u8 *)(a)))
128 #define do_put_mem_byte(a, v) (*(uae_u8 *)(a) = (v))
129
130 #define call_mem_get_func(func, addr) ((*func)(addr))
131 #define call_mem_put_func(func, addr, v) ((*func)(addr, v))
132 #define __inline__ inline
133 #define CPU_EMU_SIZE 0
134 #undef NO_INLINE_MEMORY_ACCESS
135 #undef MD_HAVE_MEM_1_FUNCS
136 #undef USE_COMPILER
137 #define REGPARAM2
138 #define ENUMDECL typedef enum
139 #define ENUMNAME(name) name
140 #define write_log printf
141
142 #endif