src/BeOS/sysdeps.h

/*
 *  sysdeps.h - System dependent definitions for BeOS
 *
 *  Basilisk II (C) 1997-2002 Christian Bauer
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef SYSDEPS_H
#define SYSDEPS_H

#ifdef __POWERPC__
#define NO_STD_NAMESPACE
#endif

#include <assert.h>
#include <support/SupportDefs.h>
#include <support/ByteOrder.h>

#include "user_strings_beos.h"

// Are the Mac and the host address space the same?
#ifdef __i386__
#define REAL_ADDRESSING 0
#undef WORDS_BIGENDIAN
#else
#define REAL_ADDRESSING 1
#define WORDS_BIGENDIAN 1
#endif

// Using 68k emulator
#define EMULATED_68K 1

// Mac ROM is write protected
#define ROM_IS_WRITE_PROTECTED 1

// ExtFS is supported
#define SUPPORTS_EXTFS 1

// BSD socket API is supported
#define SUPPORTS_UDP_TUNNEL 1

// mon is not supported
#undef ENABLE_MON

// Time data type for Time Manager emulation
typedef bigtime_t tm_time_t;

// 64 bit file offsets
typedef off_t loff_t;

// Networking types
#define PF_INET AF_INET
typedef int socklen_t;

// UAE CPU data types
#define uae_s8 int8
#define uae_u8 uint8
#define uae_s16 int16
#define uae_u16 uint16
#define uae_s32 int32
#define uae_u32 uint32
#define uae_s64 int64
#define uae_u64 uint64
typedef uae_u32 uaecptr;
#define VAL64(a) (a ## LL)
#define UVAL64(a) (a ## uLL)
typedef uint32 uintptr;
typedef int32 intptr;

// UAE CPU defines
#ifdef __i386__

// Intel x86 assembler optimizations
#define X86_PPRO_OPT
static inline uae_u32 do_get_mem_long(uae_u32 *a) {uint32 retval; __asm__ ("bswap %0" : "=r" (retval) : "0" (*a) : "cc"); return retval;}
#ifdef X86_PPRO_OPT
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;}
#else
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;}
#endif
#define HAVE_GET_WORD_UNSWAPPED
#define do_get_mem_word_unswapped(a) ((uae_u32)*((uae_u16 *)(a)))
static inline void do_put_mem_long(uae_u32 *a, uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v) : "cc"); *a = v;}
#ifdef X86_PPRO_OPT
static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {__asm__ ("bswap %0" : "=&r" (v) : "0" (v << 16) : "cc"); *a = v;}
#else
static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); *a = v;}
#endif

#define X86_ASSEMBLY
#define UNALIGNED_PROFITABLE
#define OPTIMIZED_FLAGS
#define ASM_SYM_FOR_FUNC(a) __asm__(a)
#define REGPARAM __attribute__((regparm(3)))

#else

// PowerPC (memory.cpp not used, so no optimization neccessary)
static inline uae_u32 do_get_mem_long(uae_u32 *a) {return *a;}
static inline uae_u32 do_get_mem_word(uae_u16 *a) {return *a;}
static inline void do_put_mem_long(uae_u32 *a, uae_u32 v) {*a = v;}
static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {*a = v;}

#undef X86_ASSEMBLY
#define UNALIGNED_PROFITABLE
#undef OPTIMIZED_FLAGS
#define ASM_SYM_FOR_FUNC(a)
#define REGPARAM
#endif

#define do_get_mem_byte(a) ((uae_u32)*((uae_u8 *)(a)))
#define do_put_mem_byte(a, v) (*(uae_u8 *)(a) = (v))

#define call_mem_get_func(func, addr) ((*func)(addr))
#define call_mem_put_func(func, addr, v) ((*func)(addr, v))
#define __inline__ inline
#define CPU_EMU_SIZE 0
#undef NO_INLINE_MEMORY_ACCESS
#undef MD_HAVE_MEM_1_FUNCS
#undef USE_COMPILER
#define REGPARAM2
#define ENUMDECL typedef enum
#define ENUMNAME(name) name
#define write_log printf

#endif
Revision:	1.16
Committed:	2002-01-15T14:58:35Z (22 years, 10 months ago) by cebix
Content type:	text/plain
Branch:	MAIN
CVS Tags:	nigel-build-12, nigel-build-13, snapshot-15012002
Changes since 1.15:	+1 -1 lines
Log Message:	- documentation updates - 2001 -> 2002 - version 0.9 -> 1.0
#	User	Rev	Content
1	cebix	1.1	/*
2			* sysdeps.h - System dependent definitions for BeOS
3			*
4	cebix	1.16	* Basilisk II (C) 1997-2002 Christian Bauer
5	cebix	1.1	*
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	cebix	1.12	#ifdef __POWERPC__
25			#define NO_STD_NAMESPACE
26			#endif
27
28	cebix	1.1	#include <assert.h>
29			#include <support/SupportDefs.h>
30			#include <support/ByteOrder.h>
31
32	cebix	1.2	#include "user_strings_beos.h"
33
34	cebix	1.1	// Are the Mac and the host address space the same?
35			#ifdef __i386__
36			#define REAL_ADDRESSING 0
37	cebix	1.7	#undef WORDS_BIGENDIAN
38	cebix	1.1	#else
39			#define REAL_ADDRESSING 1
40	cebix	1.7	#define WORDS_BIGENDIAN 1
41	cebix	1.1	#endif
42
43	cebix	1.9	// Using 68k emulator
44	cebix	1.1	#define EMULATED_68K 1
45
46	cebix	1.9	// Mac ROM is write protected
47	cebix	1.1	#define ROM_IS_WRITE_PROTECTED 1
48
49	cebix	1.4	// ExtFS is supported
50			#define SUPPORTS_EXTFS 1
51
52	cebix	1.15	// BSD socket API is supported
53			#define SUPPORTS_UDP_TUNNEL 1
54
55	cebix	1.5	// mon is not supported
56	cebix	1.9	#undef ENABLE_MON
57	cebix	1.5
58	cebix	1.1	// 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	cebix	1.15
64			// Networking types
65			#define PF_INET AF_INET
66			typedef int socklen_t;
67	cebix	1.1
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	cebix	1.6	#define uae_s64 int64
76			#define uae_u64 uint64
77	cebix	1.1	typedef uae_u32 uaecptr;
78	cebix	1.6	#define VAL64(a) (a ## LL)
79			#define UVAL64(a) (a ## uLL)
80	cebix	1.12	typedef uint32 uintptr;
81			typedef int32 intptr;
82	cebix	1.1
83			// UAE CPU defines
84			#ifdef __i386__
85
86			// Intel x86 assembler optimizations
87			#define X86_PPRO_OPT
88			static inline uae_u32 do_get_mem_long(uae_u32 a) {uint32 retval; __asm__ ("bswap %0" : "=r" (retval) : "0" (a) : "cc"); return retval;}
89			#ifdef X86_PPRO_OPT
90			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;}
91			#else
92			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;}
93			#endif
94			#define HAVE_GET_WORD_UNSWAPPED
95			#define do_get_mem_word_unswapped(a) ((uae_u32)((uae_u16 )(a)))
96			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v) : "cc"); a = v;}
97			#ifdef X86_PPRO_OPT
98			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {__asm__ ("bswap %0" : "=&r" (v) : "0" (v << 16) : "cc"); a = v;}
99			#else
100			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); a = v;}
101			#endif
102
103			#define X86_ASSEMBLY
104	cebix	1.11	#define UNALIGNED_PROFITABLE
105			#define OPTIMIZED_FLAGS
106	cebix	1.1	#define ASM_SYM_FOR_FUNC(a) __asm__(a)
107			#define REGPARAM __attribute__((regparm(3)))
108
109			#else
110
111			// PowerPC (memory.cpp not used, so no optimization neccessary)
112			static inline uae_u32 do_get_mem_long(uae_u32 a) {return a;}
113			static inline uae_u32 do_get_mem_word(uae_u16 a) {return a;}
114			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {a = v;}
115			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {a = v;}
116
117			#undef X86_ASSEMBLY
118	cebix	1.11	#define UNALIGNED_PROFITABLE
119			#undef OPTIMIZED_FLAGS
120	cebix	1.1	#define ASM_SYM_FOR_FUNC(a)
121			#define REGPARAM
122			#endif
123
124			#define do_get_mem_byte(a) ((uae_u32)((uae_u8 )(a)))
125			#define do_put_mem_byte(a, v) ((uae_u8 )(a) = (v))
126
127			#define call_mem_get_func(func, addr) ((*func)(addr))
128			#define call_mem_put_func(func, addr, v) ((*func)(addr, v))
129			#define __inline__ inline
130			#define CPU_EMU_SIZE 0
131			#undef NO_INLINE_MEMORY_ACCESS
132			#undef MD_HAVE_MEM_1_FUNCS
133			#undef USE_COMPILER
134			#define REGPARAM2
135			#define ENUMDECL typedef enum
136			#define ENUMNAME(name) name
137			#define write_log printf
138
139			#endif