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1.1 root 1: #ifndef UAE_MMU_COMMON_H
2: #define UAE_MMU_COMMON_H
3:
4: #define MMUDEBUG 0
5: #define MMUINSDEBUG 0
6: #define MMUDEBUGMISC 0
7:
8: #ifdef __cplusplus
9: struct m68k_exception {
10: int prb;
11: m68k_exception (int exc) : prb (exc) {}
12: operator int() { return prb; }
13: };
14: #define SAVE_EXCEPTION
15: #define RESTORE_EXCEPTION
16: #define TRY(var) try
17: #define CATCH(var) catch(m68k_exception var)
18: #define THROW(n) throw m68k_exception(n)
19: #define THROW_AGAIN(var) throw
20: #define ENDTRY
21: #else
22: /* we are in plain C, just use a stack of long jumps */
23: #include <setjmp.h>
24: extern jmp_buf __exbuf;
25: extern int __exvalue;
26: #define TRY(DUMMY) __exvalue=setjmp(__exbuf); \
27: if (__exvalue==0) { __pushtry(&__exbuf);
28: #define CATCH(x) __poptry(); } else {m68k_exception x=__exvalue; x=x;
29: #define ENDTRY __poptry();}
30: #define THROW(x) if (__is_catched()) {longjmp(__exbuf,x);}
31: #define THROW_AGAIN(var) if (__is_catched()) longjmp(*__poptry(),__exvalue)
32: #define SAVE_EXCEPTION
33: #define RESTORE_EXCEPTION
34: jmp_buf* __poptry(void);
35: void __pushtry(jmp_buf *j);
36: int __is_catched(void);
37:
38: typedef int m68k_exception;
39:
40: #endif
41:
42: /* special status word (access error stack frame) */
43: /* 68060 */
44: #define MMU_FSLW_MA 0x08000000
45: #define MMU_FSLW_LK 0x02000000
46: #define MMU_FSLW_R 0x01000000
47: #define MMU_FSLW_W 0x00800000
48: #define MMU_FSLW_SIZE_L 0x00000000 /* Note: wrong in mc68060 manual! */
49: #define MMU_FSLW_SIZE_B 0x00200000
50: #define MMU_FSLW_SIZE_W 0x00400000
51: #define MMU_FSLW_SIZE_D 0x00600000
52: #define MMU_FSLW_TT 0x00180000
53: #define MMU_FSLW_TT_N 0x00000000 /* Normal access */
54: #define MMU_FSLW_TT_16 0x00080000 /* MOVE16 */
55: #define MMU_FSLW_TM 0x00070000 /* = function code */
56: #define MMU_FSLW_IO 0x00008000
57: #define MMU_FSLW_PBE 0x00004000
58: #define MMU_FSLW_SBE 0x00002000
59: #define MMU_FSLW_PTA 0x00001000
60: #define MMU_FSLW_PTB 0x00000800
61: #define MMU_FSLW_IL 0x00000400
62: #define MMU_FSLW_PF 0x00000200
63: #define MMU_FSLW_SP 0x00000100
64: #define MMU_FSLW_WP 0x00000080
65: #define MMU_FSLW_TWE 0x00000040
66: #define MMU_FSLW_RE 0x00000020
67: #define MMU_FSLW_WE 0x00000010
68: #define MMU_FSLW_TTR 0x00000008
69: #define MMU_FSLW_BPE 0x00000004
70: #define MMU_FSLW_SEE 0x00000001
71: /* 68040 */
72: #define MMU_SSW_TM 0x0007
73: #define MMU_SSW_TT 0x0018
74: #define MMU_SSW_TT1 0x0010
75: #define MMU_SSW_TT0 0x0008
76: #define MMU_SSW_SIZE 0x0060
77: #define MMU_SSW_SIZE_B 0x0020
78: #define MMU_SSW_SIZE_W 0x0040
79: #define MMU_SSW_SIZE_L 0x0000
80: #define MMU_SSW_SIZE_CL 0x0060
81: #define MMU_SSW_RW 0x0100
82: #define MMU_SSW_LK 0x0200
83: #define MMU_SSW_ATC 0x0400
84: #define MMU_SSW_MA 0x0800
85: #define MMU_SSW_CM 0x1000
86: #define MMU_SSW_CT 0x2000
87: #define MMU_SSW_CU 0x4000
88: #define MMU_SSW_CP 0x8000
89: /* 68030 */
90: #define MMU030_SSW_FC 0x8000
91: #define MMU030_SSW_FB 0x4000
92: #define MMU030_SSW_RC 0x2000
93: #define MMU030_SSW_RB 0x1000
94: #define MMU030_SSW_DF 0x0100
95: #define MMU030_SSW_RM 0x0080
96: #define MMU030_SSW_RW 0x0040
97: #define MMU030_SSW_SIZE_MASK 0x0030
98: #define MMU030_SSW_SIZE_B 0x0010
99: #define MMU030_SSW_SIZE_W 0x0020
100: #define MMU030_SSW_SIZE_L 0x0000
101: #define MMU030_SSW_FC_MASK 0x0007
102:
103:
104: #define ALWAYS_INLINE __inline
105:
106: // take care of 2 kinds of alignement, bus size and page
107: #if 1
108: static ALWAYS_INLINE bool is_unaligned(uaecptr addr, int size)
109: {
110: return unlikely((addr & (size - 1)) && (addr ^ (addr + size - 1)) & regs.mmu_page_size);
111: }
112: #else
113: static ALWAYS_INLINE bool is_unaligned(uaecptr addr, int size)
114: {
115: return (addr & (size - 1));
116: }
117: #endif
118:
119: static ALWAYS_INLINE void phys_put_long(uaecptr addr, uae_u32 l)
120: {
121: longput(addr, l);
122: }
123: static ALWAYS_INLINE void phys_put_word(uaecptr addr, uae_u32 w)
124: {
125: wordput(addr, w);
126: }
127: static ALWAYS_INLINE void phys_put_byte(uaecptr addr, uae_u32 b)
128: {
129: byteput(addr, b);
130: }
131: static ALWAYS_INLINE uae_u32 phys_get_long(uaecptr addr)
132: {
133: return longget (addr);
134: }
135: static ALWAYS_INLINE uae_u32 phys_get_word(uaecptr addr)
136: {
137: return wordget (addr);
138: }
139: static ALWAYS_INLINE uae_u32 phys_get_byte(uaecptr addr)
140: {
141: return byteget (addr);
142: }
143:
144: #endif /* UAE_MMU_COMMON_H */
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