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- /*
- * sysdeps.h - System dependent definitions for BeOS
- *
- * Basilisk II (C) 1997-2001 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
-
- #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
-
- // mon is not supported
- #undef ENABLE_MON
-
- // Time data type for Time Manager emulation
- typedef bigtime_t tm_time_t;
-
- // Offset Mac->BeOS time in seconds
- #define TIME_OFFSET 0x7c25b080
-
- // 64 bit file offsets
- typedef off_t loff_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)
-
- // 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 USE_MAPPED_MEMORY
- #undef CAN_MAP_MEMORY
- #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
-