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root/cebix/BasiliskII/src/uae_cpu/memory.h

Comparing BasiliskII/src/uae_cpu/memory.h (file contents):
Revision 1.3 by gbeauche, 2001-06-26T22:35:42Z vs.
Revision 1.8 by asvitkine, 2009-03-03T08:01:48Z

#	Line 23 | Line 23
23		typedef uae_u32 (REGPARAM2 *mem_get_func)(uaecptr) REGPARAM;
24		typedef void (REGPARAM2 *mem_put_func)(uaecptr, uae_u32) REGPARAM;
25		typedef uae_u8 *(REGPARAM2 *xlate_func)(uaecptr) REGPARAM;
26	–	typedef int (REGPARAM2 *check_func)(uaecptr, uae_u32) REGPARAM;
26
27		#undef DIRECT_MEMFUNCS_SUCCESSFUL
28
#	Line 44 | Line 43 | typedef struct {
43		* This doesn't work for all memory banks, so this function may call
44		* abort(). */
45		xlate_func xlateaddr;
47	–	/* To prevent calls to abort(), use check before calling xlateaddr.
48	–	* It checks not only that the memory bank can do xlateaddr, but also
49	–	* that the pointer points to an area of at least the specified size.
50	–	* This is used for example to translate bitplane pointers in custom.c */
51	–	check_func check;
46		} addrbank;
47
48		extern uae_u8 filesysory[65536];
#	Line 59 | Line 53 | extern addrbank frame_bank;    // Frame buf
53
54		/* Default memory access functions */
55
62	–	extern int REGPARAM2 default_check(uaecptr addr, uae_u32 size) REGPARAM;
56		extern uae_u8 *REGPARAM2 default_xlate(uaecptr addr) REGPARAM;
57
58		#define bankindex(addr) (((uaecptr)(addr)) >> 16)
#	Line 88 | Line 81 | extern void map_banks(addrbank *bank, in
81
82		#else
83
91	–	extern uae_u32 alongget(uaecptr addr);
92	–	extern uae_u32 awordget(uaecptr addr);
84		extern uae_u32 longget(uaecptr addr);
85		extern uae_u32 wordget(uaecptr addr);
86		extern uae_u32 byteget(uaecptr addr);
#	Line 114 | Line 105 | extern void byteput(uaecptr addr, uae_u3
105
106		#if REAL_ADDRESSING
107		const uintptr MEMBaseDiff = 0;
108	<	#define do_get_real_address(a)          ((uae_u8 *)(a))
118	<	#define do_get_virtual_address(a)       ((uae_u32)(a))
119	<	#endif /* REAL_ADDRESSING */
120	<
121	<	#if DIRECT_ADDRESSING
108	>	#elif DIRECT_ADDRESSING
109		extern uintptr MEMBaseDiff;
110	<	#define do_get_real_address(a)          ((uae_u8 *)(a) + MEMBaseDiff)
124	<	#define do_get_virtual_address(a)       ((uae_u32)(a) - MEMBaseDiff)
125	<	#endif /* DIRECT_ADDRESSING */
110	>	#endif
111
112		#if REAL_ADDRESSING || DIRECT_ADDRESSING
113	+	static __inline__ uae_u8 *do_get_real_address(uaecptr addr)
114	+	{
115	+	return (uae_u8 *)MEMBaseDiff + addr;
116	+	}
117	+	static __inline__ uae_u32 do_get_virtual_address(uae_u8 *addr)
118	+	{
119	+	return (uintptr)addr - MEMBaseDiff;
120	+	}
121		static __inline__ uae_u32 get_long(uaecptr addr)
122		{
123		uae_u32 * const m = (uae_u32 *)do_get_real_address(addr);
#	Line 163 | Line 156 | static __inline__ uae_u32 get_virtual_ad
156		{
157		return do_get_virtual_address(addr);
158		}
166	–	static __inline__ int valid_address(uaecptr addr, uae_u32 size)
167	–	{
168	–	return 1;
169	–	}
159		#else
160		static __inline__ uae_u32 get_long(uaecptr addr)
161		{
#	Line 198 | Line 187 | static __inline__ uae_u8 *get_real_addre
187		}
188		/* gb-- deliberately not implemented since it shall not be used... */
189		extern uae_u32 get_virtual_address(uae_u8 *addr);
201	–	static __inline__ int valid_address(uaecptr addr, uae_u32 size)
202	–	{
203	–	return get_mem_bank(addr).check(addr, size);
204	–	}
190		#endif /* DIRECT_ADDRESSING || REAL_ADDRESSING */
191
192		#endif /* MEMORY_H */

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