| /* |
| * sysdeps.h - System dependent definitions for BeOS |
| * |
| * Basilisk II (C) 1997-2008 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 |
| #ifndef __HAIKU__ |
| typedef int socklen_t; |
| #endif |
| |
| // 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; |
| |
| /* Timing functions */ |
| extern void Delay_usec(uint32 usec); |
| |
| // 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(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(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 |
