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1.1 ! root 1: /* ! 2: * UAE - The Un*x Amiga Emulator ! 3: * ! 4: * memory management ! 5: * ! 6: * Copyright 1995 Bernd Schmidt ! 7: * ! 8: * Adaptation to Hatari by Thomas Huth ! 9: * ! 10: * This file is distributed under the GNU Public License, version 2 or at ! 11: * your option any later version. Read the file gpl.txt for details. ! 12: */ ! 13: ! 14: #ifndef UAE_MEMORY_H ! 15: #define UAE_MEMORY_H ! 16: ! 17: #include "maccess.h" ! 18: ! 19: #ifdef JIT ! 20: extern int special_mem; ! 21: #define S_READ 1 ! 22: #define S_WRITE 2 ! 23: ! 24: uae_u8 *cache_alloc (int); ! 25: void cache_free (uae_u8*); ! 26: #endif ! 27: ! 28: #define call_mem_get_func(func, addr) ((*func)(addr)) ! 29: #define call_mem_put_func(func, addr, v) ((*func)(addr, v)) ! 30: ! 31: extern uae_u8 NEXTVideo[256*1024]; ! 32: ! 33: extern uae_u8 NEXTColorVideo[2*1024*1024]; ! 34: ! 35: ! 36: /* Enabling this adds one additional native memory reference per 68k memory ! 37: * access, but saves one shift (on the x86). Enabling this is probably ! 38: * better for the cache. My favourite benchmark (PP2) doesn't show a ! 39: * difference, so I leave this enabled. */ ! 40: #if 1 || defined SAVE_MEMORY ! 41: #define SAVE_MEMORY_BANKS ! 42: #endif ! 43: ! 44: void memory_hardreset (void); ! 45: ! 46: typedef uae_u32 (*mem_get_func)(uaecptr) REGPARAM; ! 47: typedef void (*mem_put_func)(uaecptr, uae_u32) REGPARAM; ! 48: typedef uae_u8 *(*xlate_func)(uaecptr) REGPARAM; ! 49: typedef int (*check_func)(uaecptr, uae_u32) REGPARAM; ! 50: ! 51: extern char *address_space, *good_address_map; ! 52: ! 53: uae_u32 wait_cpu_cycle_read (uaecptr addr, int mode); ! 54: void wait_cpu_cycle_write (uaecptr addr, int mode, uae_u32 v); ! 55: uae_u32 wait_cpu_cycle_read_ce020 (uaecptr addr, int mode); ! 56: void wait_cpu_cycle_write_ce020 (uaecptr addr, int mode, uae_u32 v); ! 57: ! 58: enum { ABFLAG_UNK = 0, ABFLAG_RAM = 1, ABFLAG_ROM = 2, ABFLAG_ROMIN = 4, ABFLAG_IO = 8, ABFLAG_NONE = 16, ABFLAG_SAFE = 32 }; ! 59: typedef struct { ! 60: /* These ones should be self-explanatory... */ ! 61: mem_get_func lget, wget, bget; ! 62: mem_put_func lput, wput, bput; ! 63: mem_get_func lgeti, wgeti; ! 64: int flags; ! 65: } addrbank; ! 66: ! 67: extern uae_u8 ce_cachable[65536]; ! 68: ! 69: #define bankindex(addr) (((uaecptr)(addr)) >> 16) ! 70: ! 71: #ifdef SAVE_MEMORY_BANKS ! 72: extern addrbank *mem_banks[65536]; ! 73: #define get_mem_bank(addr) (*mem_banks[bankindex(addr)]) ! 74: #define put_mem_bank(addr, b) (mem_banks[bankindex(addr)] = (b)) ! 75: #else ! 76: extern addrbank mem_banks[65536]; ! 77: #define get_mem_bank(addr) (mem_banks[bankindex(addr)]) ! 78: #define put_mem_bank(addr, b) (mem_banks[bankindex(addr)] = *(b)) ! 79: #endif ! 80: ! 81: const char* memory_init(int *membanks); ! 82: void memory_uninit (void); ! 83: void map_banks(addrbank *bank, int first, int count); ! 84: ! 85: #ifndef NO_INLINE_MEMORY_ACCESS ! 86: ! 87: #define longget(addr) (call_mem_get_func(get_mem_bank(addr).lget, addr)) ! 88: #define wordget(addr) (call_mem_get_func(get_mem_bank(addr).wget, addr)) ! 89: #define byteget(addr) (call_mem_get_func(get_mem_bank(addr).bget, addr)) ! 90: #define longput(addr,l) (call_mem_put_func(get_mem_bank(addr).lput, addr, l)) ! 91: #define wordput(addr,w) (call_mem_put_func(get_mem_bank(addr).wput, addr, w)) ! 92: #define byteput(addr,b) (call_mem_put_func(get_mem_bank(addr).bput, addr, b)) ! 93: ! 94: #else ! 95: ! 96: uae_u32 alongget(uaecptr addr); ! 97: uae_u32 awordget(uaecptr addr); ! 98: uae_u32 longget(uaecptr addr); ! 99: uae_u32 wordget(uaecptr addr); ! 100: uae_u32 byteget(uaecptr addr); ! 101: void longput(uaecptr addr, uae_u32 l); ! 102: void wordput(uaecptr addr, uae_u32 w); ! 103: void byteput(uaecptr addr, uae_u32 b); ! 104: ! 105: #endif ! 106: ! 107: #define longget(addr) (call_mem_get_func(get_mem_bank(addr).lget, addr)) ! 108: #define wordget(addr) (call_mem_get_func(get_mem_bank(addr).wget, addr)) ! 109: #define byteget(addr) (call_mem_get_func(get_mem_bank(addr).bget, addr)) ! 110: #define longgeti(addr) (call_mem_get_func(get_mem_bank(addr).lgeti, addr)) ! 111: #define wordgeti(addr) (call_mem_get_func(get_mem_bank(addr).wgeti, addr)) ! 112: #define longput(addr,l) (call_mem_put_func(get_mem_bank(addr).lput, addr, l)) ! 113: #define wordput(addr,w) (call_mem_put_func(get_mem_bank(addr).wput, addr, w)) ! 114: #define byteput(addr,b) (call_mem_put_func(get_mem_bank(addr).bput, addr, b)) ! 115: ! 116: static inline uae_u32 get_long(uaecptr addr) ! 117: { ! 118: return longget(addr); ! 119: } ! 120: ! 121: static inline uae_u32 get_word(uaecptr addr) ! 122: { ! 123: return wordget(addr); ! 124: } ! 125: ! 126: static inline uae_u32 get_byte(uaecptr addr) ! 127: { ! 128: return byteget(addr); ! 129: } ! 130: ! 131: static inline void put_long(uaecptr addr, uae_u32 l) ! 132: { ! 133: longput(addr, l); ! 134: } ! 135: ! 136: static inline void put_word(uaecptr addr, uae_u32 w) ! 137: { ! 138: wordput(addr, w); ! 139: } ! 140: ! 141: static inline void put_byte(uaecptr addr, uae_u32 b) ! 142: { ! 143: byteput(addr, b); ! 144: } ! 145: ! 146: static inline uae_u32 get_longi(uaecptr addr) ! 147: { ! 148: return longgeti (addr); ! 149: } ! 150: ! 151: static inline uae_u32 get_wordi(uaecptr addr) ! 152: { ! 153: return wordgeti (addr); ! 154: } ! 155: ! 156: #endif /* UAE_MEMORY_H */
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