1
2 #ifndef MMU_COMMON_H
3 #define MMU_COMMON_H
4
5 #if 0
6 struct m68k_exception {
7 int prb;
8 m68k_exception (int exc) : prb (exc) {}
9 operator int() { return prb; }
10 };
11 #define SAVE_EXCEPTION
12 #define RESTORE_EXCEPTION
13 #define TRY(var) try
14 #define CATCH(var) catch(m68k_exception var)
15 #define THROW(n) throw m68k_exception(n)
16 #define THROW_AGAIN(var) throw
17
18 #else
19 /* we are in plain C, just use a stack of long jumps */
20 #include <setjmp.h>
21 extern jmp_buf __exbuf;
22 extern int __exvalue;
23 #define TRY(DUMMY) __exvalue=setjmp(__exbuf); \
24 if (__exvalue==0) { __pushtry(&__exbuf);
25 #define CATCH(x) __poptry(); } else { /*fprintf(stderr,"CATCHed! %d %s in %d\n",__exvalue,__FILE__,__LINE__);*/
26 #define ENDTRY __poptry();}
27 #define THROW(x) if (__is_catched()) {/*fprintf(stderr,"THROWing %s in %d\n",__FILE__,__LINE__);*/longjmp(__exbuf,x);}
28 #define THROW_AGAIN(var) if (__is_catched()) longjmp(*__poptry(),__exvalue)
29 #define SAVE_EXCEPTION
30 #define RESTORE_EXCEPTION
31 jmp_buf* __poptry(void);
32 void __pushtry(jmp_buf *j);
33 int __is_catched(void);
34
35 typedef int m68k_exception;
36
37 #endif
38
39 /* special status word (access error stack frame) */
40 #define MMU_SSW_TM 0x0007
41 #define MMU_SSW_TT 0x0018
42 #define MMU_SSW_SIZE 0x0060
43 #define MMU_SSW_SIZE_B 0x0020
44 #define MMU_SSW_SIZE_W 0x0040
45 #define MMU_SSW_SIZE_L 0x0000
46 #define MMU_SSW_RW 0x0100
47 #define MMU_SSW_LK 0x0200
48 #define MMU_SSW_ATC 0x0400
49 #define MMU_SSW_MA 0x0800
50 #define MMU_SSW_CM 0x1000
51 #define MMU_SSW_CT 0x2000
52 #define MMU_SSW_CU 0x4000
53 #define MMU_SSW_CP 0x8000
54
55
56 #define ALWAYS_INLINE __inline
57
is_unaligned(uaecptr addr,int size)58 static inline bool is_unaligned(uaecptr addr, int size)
59 {
60 return unlikely((addr & (size - 1)) && (addr ^ (addr + size - 1)) & 0x1000);
61 }
62
phys_put_long(uaecptr addr,uae_u32 l)63 static ALWAYS_INLINE void phys_put_long(uaecptr addr, uae_u32 l)
64 {
65 longput(addr, l);
66 }
phys_put_word(uaecptr addr,uae_u32 w)67 static ALWAYS_INLINE void phys_put_word(uaecptr addr, uae_u32 w)
68 {
69 wordput(addr, w);
70 }
phys_put_byte(uaecptr addr,uae_u32 b)71 static ALWAYS_INLINE void phys_put_byte(uaecptr addr, uae_u32 b)
72 {
73 byteput(addr, b);
74 }
phys_get_long(uaecptr addr)75 static ALWAYS_INLINE uae_u32 phys_get_long(uaecptr addr)
76 {
77 return longget (addr);
78 }
phys_get_word(uaecptr addr)79 static ALWAYS_INLINE uae_u32 phys_get_word(uaecptr addr)
80 {
81 return wordget (addr);
82 }
phys_get_byte(uaecptr addr)83 static ALWAYS_INLINE uae_u32 phys_get_byte(uaecptr addr)
84 {
85 return byteget (addr);
86 }
87
88 #endif
89