--- BasiliskII/src/Unix/sysdeps.h 1999/10/12 20:00:54 1.3 +++ BasiliskII/src/Unix/sysdeps.h 2000/11/30 16:20:52 1.15 @@ -1,7 +1,7 @@ /* * sysdeps.h - System dependent definitions for Unix * - * Basilisk II (C) 1997-1999 Christian Bauer + * Basilisk II (C) 1997-2000 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 @@ -42,7 +42,6 @@ #include #include #include -#include #ifdef HAVE_FCNTL_H # include @@ -60,14 +59,50 @@ #endif -/* Are the Mac and the host address space the same? */ +#ifdef ENABLE_NATIVE_M68K + +/* Mac and host address space are the same */ +#define REAL_ADDRESSING 1 + +/* Using 68k natively */ +#define EMULATED_68K 0 + +/* Mac ROM is not write protected */ +#define ROM_IS_WRITE_PROTECTED 0 +#define USE_SCRATCHMEM_SUBTERFUGE 1 + +#else + +/* Mac and host address space are distinct */ +#ifndef REAL_ADDRESSING #define REAL_ADDRESSING 0 +#endif -/* Are we using a 68k emulator or the real thing? */ +/* Using 68k emulator */ #define EMULATED_68K 1 -/* Is the Mac ROM write protected? */ -#define ROM_IS_WRITE_PROTECTED 1 +/* The m68k emulator uses a prefetch buffer ? */ +#define USE_PREFETCH_BUFFER 0 + +/* Mac ROM is write protected when banked memory is used */ +#if REAL_ADDRESSING || DIRECT_ADDRESSING +# define ROM_IS_WRITE_PROTECTED 0 +# define USE_SCRATCHMEM_SUBTERFUGE 1 +#else +# define ROM_IS_WRITE_PROTECTED 1 +#endif + +#endif + +/* Direct Addressing requires Video on SEGV signals */ +#if DIRECT_ADDRESSING && !ENABLE_VOSF +# undef ENABLE_VOSF +# define ENABLE_VOSF 1 +#endif + +/* ExtFS is supported */ +#define SUPPORTS_EXTFS 1 + /* Data types */ typedef unsigned char uint8; @@ -93,12 +128,25 @@ typedef long int32; #if SIZEOF_LONG == 8 typedef unsigned long uint64; typedef long int64; +#define VAL64(a) (a ## l) +#define UVAL64(a) (a ## ul) #elif SIZEOF_LONG_LONG == 8 typedef unsigned long long uint64; typedef long long int64; +#define VAL64(a) (a ## LL) +#define UVAL64(a) (a ## uLL) #else #error "No 8 byte type, you lose." #endif +#if SIZEOF_VOID_P == 4 +typedef uint32 uintptr; +typedef int32 intptr; +#elif SIZEOF_VOID_P == 8 +typedef uint64 uintptr; +typedef int64 intptr; +#else +#error "Unsupported size of pointer" +#endif /* Time data type for Time Manager emulation */ #ifdef HAVE_CLOCK_GETTIME @@ -107,6 +155,9 @@ typedef struct timespec tm_time_t; typedef struct timeval tm_time_t; #endif +/* Offset Mac->Unix time in seconds */ +#define TIME_OFFSET 0x7c25b080 + /* UAE CPU data types */ #define uae_s8 int8 #define uae_u8 uint8 @@ -114,13 +165,19 @@ typedef struct timeval tm_time_t; #define uae_u16 uint16 #define uae_s32 int32 #define uae_u32 uint32 +#define uae_s64 int64 +#define uae_u64 uint64 typedef uae_u32 uaecptr; /* Alignment restrictions */ -#if defined(__i386__) || defined(__powerpc__) +#if defined(__i386__) || defined(__powerpc__) || defined(__m68k__) # define CPU_CAN_ACCESS_UNALIGNED #endif +/* Timing functions */ +extern uint64 GetTicks_usec(void); +extern void Delay_usec(uint32 usec); + /* UAE CPU defines */ #ifdef WORDS_BIGENDIAN @@ -207,14 +264,13 @@ static inline void do_put_mem_word(uae_u #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 ENUMDECL typedef enum #define ENUMNAME(name) name #define write_log printf +#undef USE_MAPPED_MEMORY +#undef CAN_MAP_MEMORY #ifdef X86_ASSEMBLY #define ASM_SYM_FOR_FUNC(a) __asm__(a)