root / op-i386.c @ 4b74fe1f
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1 | 586314f2 | bellard | #define DEBUG_EXEC
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2 | 586314f2 | bellard | |
3 | 7bfdb6d1 | bellard | typedef unsigned char uint8_t; |
4 | 7bfdb6d1 | bellard | typedef unsigned short uint16_t; |
5 | 7bfdb6d1 | bellard | typedef unsigned int uint32_t; |
6 | 7bfdb6d1 | bellard | typedef unsigned long long uint64_t; |
7 | 7bfdb6d1 | bellard | |
8 | 7bfdb6d1 | bellard | typedef signed char int8_t; |
9 | 7bfdb6d1 | bellard | typedef signed short int16_t; |
10 | 7bfdb6d1 | bellard | typedef signed int int32_t; |
11 | 7bfdb6d1 | bellard | typedef signed long long int64_t; |
12 | 7bfdb6d1 | bellard | |
13 | 4b74fe1f | bellard | #define bswap32(x) \
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14 | 4b74fe1f | bellard | ({ \ |
15 | 4b74fe1f | bellard | uint32_t __x = (x); \ |
16 | 4b74fe1f | bellard | ((uint32_t)( \ |
17 | 4b74fe1f | bellard | (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \ |
18 | 4b74fe1f | bellard | (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \ |
19 | 4b74fe1f | bellard | (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \ |
20 | 4b74fe1f | bellard | (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \ |
21 | 4b74fe1f | bellard | }) |
22 | 4b74fe1f | bellard | |
23 | 367e86e8 | bellard | #define NULL 0 |
24 | 4b74fe1f | bellard | #include <fenv.h> |
25 | 367e86e8 | bellard | |
26 | 586314f2 | bellard | typedef struct FILE FILE; |
27 | 586314f2 | bellard | extern FILE *logfile;
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28 | 586314f2 | bellard | extern int loglevel; |
29 | 586314f2 | bellard | extern int fprintf(FILE *, const char *, ...); |
30 | 586314f2 | bellard | |
31 | 7bfdb6d1 | bellard | #ifdef __i386__
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32 | 4b74fe1f | bellard | register unsigned int T0 asm("ebx"); |
33 | 4b74fe1f | bellard | register unsigned int T1 asm("esi"); |
34 | 4b74fe1f | bellard | register unsigned int A0 asm("edi"); |
35 | ba1c6e37 | bellard | register struct CPUX86State *env asm("ebp"); |
36 | 7bfdb6d1 | bellard | #endif
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37 | 7bfdb6d1 | bellard | #ifdef __powerpc__
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38 | 4b74fe1f | bellard | register unsigned int T0 asm("r24"); |
39 | 4b74fe1f | bellard | register unsigned int T1 asm("r25"); |
40 | 4b74fe1f | bellard | register unsigned int A0 asm("r26"); |
41 | ba1c6e37 | bellard | register struct CPUX86State *env asm("r27"); |
42 | 7bfdb6d1 | bellard | #endif
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43 | 7bfdb6d1 | bellard | #ifdef __arm__
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44 | 4b74fe1f | bellard | register unsigned int T0 asm("r4"); |
45 | 4b74fe1f | bellard | register unsigned int T1 asm("r5"); |
46 | 4b74fe1f | bellard | register unsigned int A0 asm("r6"); |
47 | ba1c6e37 | bellard | register struct CPUX86State *env asm("r7"); |
48 | 7bfdb6d1 | bellard | #endif
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49 | 7bfdb6d1 | bellard | #ifdef __mips__
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50 | 4b74fe1f | bellard | register unsigned int T0 asm("s0"); |
51 | 4b74fe1f | bellard | register unsigned int T1 asm("s1"); |
52 | 4b74fe1f | bellard | register unsigned int A0 asm("s2"); |
53 | ba1c6e37 | bellard | register struct CPUX86State *env asm("s3"); |
54 | 7bfdb6d1 | bellard | #endif
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55 | 7bfdb6d1 | bellard | #ifdef __sparc__
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56 | 4b74fe1f | bellard | register unsigned int T0 asm("l0"); |
57 | 4b74fe1f | bellard | register unsigned int T1 asm("l1"); |
58 | 4b74fe1f | bellard | register unsigned int A0 asm("l2"); |
59 | ba1c6e37 | bellard | register struct CPUX86State *env asm("l3"); |
60 | 7bfdb6d1 | bellard | #endif
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61 | 7bfdb6d1 | bellard | |
62 | 4b74fe1f | bellard | /* force GCC to generate only one epilog at the end of the function */
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63 | 4b74fe1f | bellard | #define FORCE_RET() asm volatile (""); |
64 | 4b74fe1f | bellard | |
65 | 7bfdb6d1 | bellard | #ifndef OPPROTO
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66 | 7bfdb6d1 | bellard | #define OPPROTO
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67 | 7bfdb6d1 | bellard | #endif
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68 | 7bfdb6d1 | bellard | |
69 | 7bfdb6d1 | bellard | #define xglue(x, y) x ## y |
70 | 7bfdb6d1 | bellard | #define glue(x, y) xglue(x, y)
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71 | 7bfdb6d1 | bellard | |
72 | 7bfdb6d1 | bellard | #define EAX (env->regs[R_EAX])
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73 | 7bfdb6d1 | bellard | #define ECX (env->regs[R_ECX])
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74 | 7bfdb6d1 | bellard | #define EDX (env->regs[R_EDX])
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75 | 7bfdb6d1 | bellard | #define EBX (env->regs[R_EBX])
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76 | 7bfdb6d1 | bellard | #define ESP (env->regs[R_ESP])
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77 | 7bfdb6d1 | bellard | #define EBP (env->regs[R_EBP])
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78 | 7bfdb6d1 | bellard | #define ESI (env->regs[R_ESI])
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79 | 7bfdb6d1 | bellard | #define EDI (env->regs[R_EDI])
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80 | 7bfdb6d1 | bellard | #define PC (env->pc)
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81 | 7bfdb6d1 | bellard | #define DF (env->df)
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82 | 7bfdb6d1 | bellard | |
83 | 7bfdb6d1 | bellard | #define CC_SRC (env->cc_src)
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84 | 7bfdb6d1 | bellard | #define CC_DST (env->cc_dst)
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85 | 927f621e | bellard | #define CC_OP (env->cc_op)
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86 | 927f621e | bellard | |
87 | 927f621e | bellard | /* float macros */
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88 | 927f621e | bellard | #define FT0 (env->ft0)
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89 | 927f621e | bellard | #define ST0 (env->fpregs[env->fpstt])
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90 | 927f621e | bellard | #define ST(n) (env->fpregs[(env->fpstt + (n)) & 7]) |
91 | 927f621e | bellard | #define ST1 ST(1) |
92 | 7bfdb6d1 | bellard | |
93 | 7bfdb6d1 | bellard | extern int __op_param1, __op_param2, __op_param3; |
94 | 7bfdb6d1 | bellard | #define PARAM1 ((long)(&__op_param1)) |
95 | 7bfdb6d1 | bellard | #define PARAM2 ((long)(&__op_param2)) |
96 | 7bfdb6d1 | bellard | #define PARAM3 ((long)(&__op_param3)) |
97 | 7bfdb6d1 | bellard | |
98 | 7bfdb6d1 | bellard | #include "cpu-i386.h" |
99 | 7bfdb6d1 | bellard | |
100 | 7bfdb6d1 | bellard | typedef struct CCTable { |
101 | 7bfdb6d1 | bellard | int (*compute_all)(void); /* return all the flags */ |
102 | 367e86e8 | bellard | int (*compute_c)(void); /* return the C flag */ |
103 | 7bfdb6d1 | bellard | } CCTable; |
104 | 7bfdb6d1 | bellard | |
105 | 0ecfa993 | bellard | /* NOTE: data are not static to force relocation generation by GCC */
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106 | 367e86e8 | bellard | extern CCTable cc_table[];
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107 | 367e86e8 | bellard | |
108 | 7bfdb6d1 | bellard | uint8_t parity_table[256] = {
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109 | 7bfdb6d1 | bellard | CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
110 | 7bfdb6d1 | bellard | 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
111 | 7bfdb6d1 | bellard | 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
112 | 7bfdb6d1 | bellard | CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
113 | 7bfdb6d1 | bellard | 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
114 | 7bfdb6d1 | bellard | CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
115 | 7bfdb6d1 | bellard | CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
116 | 7bfdb6d1 | bellard | 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
117 | 7bfdb6d1 | bellard | 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
118 | 7bfdb6d1 | bellard | CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
119 | 7bfdb6d1 | bellard | CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
120 | 7bfdb6d1 | bellard | 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
121 | 7bfdb6d1 | bellard | CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
122 | 7bfdb6d1 | bellard | 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
123 | 7bfdb6d1 | bellard | 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
124 | 7bfdb6d1 | bellard | CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
125 | 7bfdb6d1 | bellard | 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
126 | 7bfdb6d1 | bellard | CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
127 | 7bfdb6d1 | bellard | CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
128 | 7bfdb6d1 | bellard | 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
129 | 7bfdb6d1 | bellard | CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
130 | 7bfdb6d1 | bellard | 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
131 | 7bfdb6d1 | bellard | 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
132 | 7bfdb6d1 | bellard | CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
133 | 7bfdb6d1 | bellard | CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
134 | 7bfdb6d1 | bellard | 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
135 | 7bfdb6d1 | bellard | 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
136 | 7bfdb6d1 | bellard | CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
137 | 7bfdb6d1 | bellard | 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
138 | 7bfdb6d1 | bellard | CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
139 | 7bfdb6d1 | bellard | CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
140 | 7bfdb6d1 | bellard | 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
141 | 7bfdb6d1 | bellard | }; |
142 | 7bfdb6d1 | bellard | |
143 | 367e86e8 | bellard | /* modulo 17 table */
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144 | 367e86e8 | bellard | const uint8_t rclw_table[32] = { |
145 | 367e86e8 | bellard | 0, 1, 2, 3, 4, 5, 6, 7, |
146 | 367e86e8 | bellard | 8, 9,10,11,12,13,14,15, |
147 | 367e86e8 | bellard | 16, 0, 1, 2, 3, 4, 5, 6, |
148 | 367e86e8 | bellard | 7, 8, 9,10,11,12,13,14, |
149 | 367e86e8 | bellard | }; |
150 | 7bfdb6d1 | bellard | |
151 | 367e86e8 | bellard | /* modulo 9 table */
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152 | 367e86e8 | bellard | const uint8_t rclb_table[32] = { |
153 | 367e86e8 | bellard | 0, 1, 2, 3, 4, 5, 6, 7, |
154 | 367e86e8 | bellard | 8, 0, 1, 2, 3, 4, 5, 6, |
155 | 367e86e8 | bellard | 7, 8, 0, 1, 2, 3, 4, 5, |
156 | 367e86e8 | bellard | 6, 7, 8, 0, 1, 2, 3, 4, |
157 | 367e86e8 | bellard | }; |
158 | 7bfdb6d1 | bellard | |
159 | 927f621e | bellard | #ifdef USE_X86LDOUBLE
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160 | 927f621e | bellard | /* an array of Intel 80-bit FP constants, to be loaded via integer ops */
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161 | 927f621e | bellard | typedef unsigned short f15ld[5]; |
162 | 927f621e | bellard | const f15ld f15rk[] =
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163 | 927f621e | bellard | { |
164 | 927f621e | bellard | /*0*/ {0x0000,0x0000,0x0000,0x0000,0x0000}, |
165 | 927f621e | bellard | /*1*/ {0x0000,0x0000,0x0000,0x8000,0x3fff}, |
166 | 927f621e | bellard | /*pi*/ {0xc235,0x2168,0xdaa2,0xc90f,0x4000}, |
167 | 927f621e | bellard | /*lg2*/ {0xf799,0xfbcf,0x9a84,0x9a20,0x3ffd}, |
168 | 927f621e | bellard | /*ln2*/ {0x79ac,0xd1cf,0x17f7,0xb172,0x3ffe}, |
169 | 927f621e | bellard | /*l2e*/ {0xf0bc,0x5c17,0x3b29,0xb8aa,0x3fff}, |
170 | 927f621e | bellard | /*l2t*/ {0x8afe,0xcd1b,0x784b,0xd49a,0x4000} |
171 | 927f621e | bellard | }; |
172 | 927f621e | bellard | #else
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173 | 927f621e | bellard | /* the same, 64-bit version */
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174 | 927f621e | bellard | typedef unsigned short f15ld[4]; |
175 | 927f621e | bellard | const f15ld f15rk[] =
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176 | 927f621e | bellard | { |
177 | 927f621e | bellard | #ifndef WORDS_BIGENDIAN
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178 | 927f621e | bellard | /*0*/ {0x0000,0x0000,0x0000,0x0000}, |
179 | 927f621e | bellard | /*1*/ {0x0000,0x0000,0x0000,0x3ff0}, |
180 | 927f621e | bellard | /*pi*/ {0x2d18,0x5444,0x21fb,0x4009}, |
181 | 927f621e | bellard | /*lg2*/ {0x79ff,0x509f,0x4413,0x3fd3}, |
182 | 927f621e | bellard | /*ln2*/ {0x39ef,0xfefa,0x2e42,0x3fe6}, |
183 | 927f621e | bellard | /*l2e*/ {0x82fe,0x652b,0x1547,0x3ff7}, |
184 | 927f621e | bellard | /*l2t*/ {0xa371,0x0979,0x934f,0x400a} |
185 | 927f621e | bellard | #else
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186 | 927f621e | bellard | /*0*/ {0x0000,0x0000,0x0000,0x0000}, |
187 | 927f621e | bellard | /*1*/ {0x3ff0,0x0000,0x0000,0x0000}, |
188 | 927f621e | bellard | /*pi*/ {0x4009,0x21fb,0x5444,0x2d18}, |
189 | 927f621e | bellard | /*lg2*/ {0x3fd3,0x4413,0x509f,0x79ff}, |
190 | 927f621e | bellard | /*ln2*/ {0x3fe6,0x2e42,0xfefa,0x39ef}, |
191 | 927f621e | bellard | /*l2e*/ {0x3ff7,0x1547,0x652b,0x82fe}, |
192 | 927f621e | bellard | /*l2t*/ {0x400a,0x934f,0x0979,0xa371} |
193 | 927f621e | bellard | #endif
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194 | 927f621e | bellard | }; |
195 | 927f621e | bellard | #endif
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196 | 927f621e | bellard | |
197 | 367e86e8 | bellard | /* n must be a constant to be efficient */
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198 | 367e86e8 | bellard | static inline int lshift(int x, int n) |
199 | 7bfdb6d1 | bellard | { |
200 | 367e86e8 | bellard | if (n >= 0) |
201 | 367e86e8 | bellard | return x << n;
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202 | 367e86e8 | bellard | else
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203 | 367e86e8 | bellard | return x >> (-n);
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204 | 7bfdb6d1 | bellard | } |
205 | 7bfdb6d1 | bellard | |
206 | 0ecfa993 | bellard | /* exception support */
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207 | 0ecfa993 | bellard | /* NOTE: not static to force relocation generation by GCC */
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208 | 0ecfa993 | bellard | void raise_exception(int exception_index) |
209 | 0ecfa993 | bellard | { |
210 | 0ecfa993 | bellard | env->exception_index = exception_index; |
211 | 0ecfa993 | bellard | longjmp(env->jmp_env, 1);
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212 | 0ecfa993 | bellard | } |
213 | 0ecfa993 | bellard | |
214 | 7bfdb6d1 | bellard | /* we define the various pieces of code used by the JIT */
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215 | 7bfdb6d1 | bellard | |
216 | 7bfdb6d1 | bellard | #define REG EAX
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217 | 7bfdb6d1 | bellard | #define REGNAME _EAX
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218 | 7bfdb6d1 | bellard | #include "opreg_template.h" |
219 | 7bfdb6d1 | bellard | #undef REG
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220 | 7bfdb6d1 | bellard | #undef REGNAME
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221 | 7bfdb6d1 | bellard | |
222 | 7bfdb6d1 | bellard | #define REG ECX
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223 | 7bfdb6d1 | bellard | #define REGNAME _ECX
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224 | 7bfdb6d1 | bellard | #include "opreg_template.h" |
225 | 7bfdb6d1 | bellard | #undef REG
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226 | 7bfdb6d1 | bellard | #undef REGNAME
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227 | 7bfdb6d1 | bellard | |
228 | 7bfdb6d1 | bellard | #define REG EDX
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229 | 7bfdb6d1 | bellard | #define REGNAME _EDX
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230 | 7bfdb6d1 | bellard | #include "opreg_template.h" |
231 | 7bfdb6d1 | bellard | #undef REG
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232 | 7bfdb6d1 | bellard | #undef REGNAME
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233 | 7bfdb6d1 | bellard | |
234 | 7bfdb6d1 | bellard | #define REG EBX
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235 | 7bfdb6d1 | bellard | #define REGNAME _EBX
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236 | 7bfdb6d1 | bellard | #include "opreg_template.h" |
237 | 7bfdb6d1 | bellard | #undef REG
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238 | 7bfdb6d1 | bellard | #undef REGNAME
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239 | 7bfdb6d1 | bellard | |
240 | 7bfdb6d1 | bellard | #define REG ESP
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241 | 7bfdb6d1 | bellard | #define REGNAME _ESP
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242 | 7bfdb6d1 | bellard | #include "opreg_template.h" |
243 | 7bfdb6d1 | bellard | #undef REG
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244 | 7bfdb6d1 | bellard | #undef REGNAME
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245 | 7bfdb6d1 | bellard | |
246 | 7bfdb6d1 | bellard | #define REG EBP
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247 | 7bfdb6d1 | bellard | #define REGNAME _EBP
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248 | 7bfdb6d1 | bellard | #include "opreg_template.h" |
249 | 7bfdb6d1 | bellard | #undef REG
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250 | 7bfdb6d1 | bellard | #undef REGNAME
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251 | 7bfdb6d1 | bellard | |
252 | 7bfdb6d1 | bellard | #define REG ESI
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253 | 7bfdb6d1 | bellard | #define REGNAME _ESI
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254 | 7bfdb6d1 | bellard | #include "opreg_template.h" |
255 | 7bfdb6d1 | bellard | #undef REG
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256 | 7bfdb6d1 | bellard | #undef REGNAME
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257 | 7bfdb6d1 | bellard | |
258 | 7bfdb6d1 | bellard | #define REG EDI
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259 | 7bfdb6d1 | bellard | #define REGNAME _EDI
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260 | 7bfdb6d1 | bellard | #include "opreg_template.h" |
261 | 7bfdb6d1 | bellard | #undef REG
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262 | 7bfdb6d1 | bellard | #undef REGNAME
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263 | 7bfdb6d1 | bellard | |
264 | 7bfdb6d1 | bellard | /* operations */
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265 | 7bfdb6d1 | bellard | |
266 | 7bfdb6d1 | bellard | void OPPROTO op_addl_T0_T1_cc(void) |
267 | 7bfdb6d1 | bellard | { |
268 | 7bfdb6d1 | bellard | CC_SRC = T0; |
269 | 7bfdb6d1 | bellard | T0 += T1; |
270 | 7bfdb6d1 | bellard | CC_DST = T0; |
271 | 7bfdb6d1 | bellard | } |
272 | 7bfdb6d1 | bellard | |
273 | 7bfdb6d1 | bellard | void OPPROTO op_orl_T0_T1_cc(void) |
274 | 7bfdb6d1 | bellard | { |
275 | 7bfdb6d1 | bellard | T0 |= T1; |
276 | 7bfdb6d1 | bellard | CC_DST = T0; |
277 | 7bfdb6d1 | bellard | } |
278 | 7bfdb6d1 | bellard | |
279 | 7bfdb6d1 | bellard | void OPPROTO op_andl_T0_T1_cc(void) |
280 | 7bfdb6d1 | bellard | { |
281 | 7bfdb6d1 | bellard | T0 &= T1; |
282 | 7bfdb6d1 | bellard | CC_DST = T0; |
283 | 7bfdb6d1 | bellard | } |
284 | 7bfdb6d1 | bellard | |
285 | 7bfdb6d1 | bellard | void OPPROTO op_subl_T0_T1_cc(void) |
286 | 7bfdb6d1 | bellard | { |
287 | 7bfdb6d1 | bellard | CC_SRC = T0; |
288 | 7bfdb6d1 | bellard | T0 -= T1; |
289 | 7bfdb6d1 | bellard | CC_DST = T0; |
290 | 7bfdb6d1 | bellard | } |
291 | 7bfdb6d1 | bellard | |
292 | 7bfdb6d1 | bellard | void OPPROTO op_xorl_T0_T1_cc(void) |
293 | 7bfdb6d1 | bellard | { |
294 | 7bfdb6d1 | bellard | T0 ^= T1; |
295 | 7bfdb6d1 | bellard | CC_DST = T0; |
296 | 7bfdb6d1 | bellard | } |
297 | 7bfdb6d1 | bellard | |
298 | 7bfdb6d1 | bellard | void OPPROTO op_cmpl_T0_T1_cc(void) |
299 | 7bfdb6d1 | bellard | { |
300 | 7bfdb6d1 | bellard | CC_SRC = T0; |
301 | 7bfdb6d1 | bellard | CC_DST = T0 - T1; |
302 | 7bfdb6d1 | bellard | } |
303 | 7bfdb6d1 | bellard | |
304 | 7bfdb6d1 | bellard | void OPPROTO op_notl_T0(void) |
305 | 7bfdb6d1 | bellard | { |
306 | 7bfdb6d1 | bellard | T0 = ~T0; |
307 | 7bfdb6d1 | bellard | } |
308 | 7bfdb6d1 | bellard | |
309 | 7bfdb6d1 | bellard | void OPPROTO op_negl_T0_cc(void) |
310 | 7bfdb6d1 | bellard | { |
311 | 7bfdb6d1 | bellard | CC_SRC = 0;
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312 | 7bfdb6d1 | bellard | T0 = -T0; |
313 | 7bfdb6d1 | bellard | CC_DST = T0; |
314 | 7bfdb6d1 | bellard | } |
315 | 7bfdb6d1 | bellard | |
316 | 7bfdb6d1 | bellard | void OPPROTO op_incl_T0_cc(void) |
317 | 7bfdb6d1 | bellard | { |
318 | 4b74fe1f | bellard | CC_SRC = cc_table[CC_OP].compute_c(); |
319 | 7bfdb6d1 | bellard | T0++; |
320 | 7bfdb6d1 | bellard | CC_DST = T0; |
321 | 7bfdb6d1 | bellard | } |
322 | 7bfdb6d1 | bellard | |
323 | 7bfdb6d1 | bellard | void OPPROTO op_decl_T0_cc(void) |
324 | 7bfdb6d1 | bellard | { |
325 | 4b74fe1f | bellard | CC_SRC = cc_table[CC_OP].compute_c(); |
326 | 7bfdb6d1 | bellard | T0--; |
327 | 7bfdb6d1 | bellard | CC_DST = T0; |
328 | 7bfdb6d1 | bellard | } |
329 | 7bfdb6d1 | bellard | |
330 | 7bfdb6d1 | bellard | void OPPROTO op_testl_T0_T1_cc(void) |
331 | 7bfdb6d1 | bellard | { |
332 | 7bfdb6d1 | bellard | CC_DST = T0 & T1; |
333 | 7bfdb6d1 | bellard | } |
334 | 7bfdb6d1 | bellard | |
335 | 4b74fe1f | bellard | void OPPROTO op_bswapl_T0(void) |
336 | 4b74fe1f | bellard | { |
337 | 4b74fe1f | bellard | T0 = bswap32(T0); |
338 | 4b74fe1f | bellard | } |
339 | 4b74fe1f | bellard | |
340 | 7bfdb6d1 | bellard | /* multiply/divide */
|
341 | 7bfdb6d1 | bellard | void OPPROTO op_mulb_AL_T0(void) |
342 | 7bfdb6d1 | bellard | { |
343 | 7bfdb6d1 | bellard | unsigned int res; |
344 | 7bfdb6d1 | bellard | res = (uint8_t)EAX * (uint8_t)T0; |
345 | 7bfdb6d1 | bellard | EAX = (EAX & 0xffff0000) | res;
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346 | 7bfdb6d1 | bellard | CC_SRC = (res & 0xff00);
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347 | 7bfdb6d1 | bellard | } |
348 | 7bfdb6d1 | bellard | |
349 | 7bfdb6d1 | bellard | void OPPROTO op_imulb_AL_T0(void) |
350 | 7bfdb6d1 | bellard | { |
351 | 7bfdb6d1 | bellard | int res;
|
352 | 7bfdb6d1 | bellard | res = (int8_t)EAX * (int8_t)T0; |
353 | 7bfdb6d1 | bellard | EAX = (EAX & 0xffff0000) | (res & 0xffff); |
354 | 7bfdb6d1 | bellard | CC_SRC = (res != (int8_t)res); |
355 | 7bfdb6d1 | bellard | } |
356 | 7bfdb6d1 | bellard | |
357 | 7bfdb6d1 | bellard | void OPPROTO op_mulw_AX_T0(void) |
358 | 7bfdb6d1 | bellard | { |
359 | 7bfdb6d1 | bellard | unsigned int res; |
360 | 7bfdb6d1 | bellard | res = (uint16_t)EAX * (uint16_t)T0; |
361 | 7bfdb6d1 | bellard | EAX = (EAX & 0xffff0000) | (res & 0xffff); |
362 | 7bfdb6d1 | bellard | EDX = (EDX & 0xffff0000) | ((res >> 16) & 0xffff); |
363 | 7bfdb6d1 | bellard | CC_SRC = res >> 16;
|
364 | 7bfdb6d1 | bellard | } |
365 | 7bfdb6d1 | bellard | |
366 | 7bfdb6d1 | bellard | void OPPROTO op_imulw_AX_T0(void) |
367 | 7bfdb6d1 | bellard | { |
368 | 7bfdb6d1 | bellard | int res;
|
369 | 7bfdb6d1 | bellard | res = (int16_t)EAX * (int16_t)T0; |
370 | 7bfdb6d1 | bellard | EAX = (EAX & 0xffff0000) | (res & 0xffff); |
371 | 7bfdb6d1 | bellard | EDX = (EDX & 0xffff0000) | ((res >> 16) & 0xffff); |
372 | 7bfdb6d1 | bellard | CC_SRC = (res != (int16_t)res); |
373 | 7bfdb6d1 | bellard | } |
374 | 7bfdb6d1 | bellard | |
375 | 7bfdb6d1 | bellard | void OPPROTO op_mull_EAX_T0(void) |
376 | 7bfdb6d1 | bellard | { |
377 | 7bfdb6d1 | bellard | uint64_t res; |
378 | 7bfdb6d1 | bellard | res = (uint64_t)((uint32_t)EAX) * (uint64_t)((uint32_t)T0); |
379 | 7bfdb6d1 | bellard | EAX = res; |
380 | 7bfdb6d1 | bellard | EDX = res >> 32;
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381 | 7bfdb6d1 | bellard | CC_SRC = res >> 32;
|
382 | 7bfdb6d1 | bellard | } |
383 | 7bfdb6d1 | bellard | |
384 | 7bfdb6d1 | bellard | void OPPROTO op_imull_EAX_T0(void) |
385 | 7bfdb6d1 | bellard | { |
386 | 7bfdb6d1 | bellard | int64_t res; |
387 | 7bfdb6d1 | bellard | res = (int64_t)((int32_t)EAX) * (int64_t)((int32_t)T0); |
388 | 7bfdb6d1 | bellard | EAX = res; |
389 | 7bfdb6d1 | bellard | EDX = res >> 32;
|
390 | 7bfdb6d1 | bellard | CC_SRC = (res != (int32_t)res); |
391 | 7bfdb6d1 | bellard | } |
392 | 7bfdb6d1 | bellard | |
393 | 7bfdb6d1 | bellard | void OPPROTO op_imulw_T0_T1(void) |
394 | 7bfdb6d1 | bellard | { |
395 | 7bfdb6d1 | bellard | int res;
|
396 | 7bfdb6d1 | bellard | res = (int16_t)T0 * (int16_t)T1; |
397 | 7bfdb6d1 | bellard | T0 = res; |
398 | 7bfdb6d1 | bellard | CC_SRC = (res != (int16_t)res); |
399 | 7bfdb6d1 | bellard | } |
400 | 7bfdb6d1 | bellard | |
401 | 7bfdb6d1 | bellard | void OPPROTO op_imull_T0_T1(void) |
402 | 7bfdb6d1 | bellard | { |
403 | 7bfdb6d1 | bellard | int64_t res; |
404 | 4b74fe1f | bellard | res = (int64_t)((int32_t)T0) * (int64_t)((int32_t)T1); |
405 | 7bfdb6d1 | bellard | T0 = res; |
406 | 7bfdb6d1 | bellard | CC_SRC = (res != (int32_t)res); |
407 | 7bfdb6d1 | bellard | } |
408 | 7bfdb6d1 | bellard | |
409 | 7bfdb6d1 | bellard | /* division, flags are undefined */
|
410 | 7bfdb6d1 | bellard | /* XXX: add exceptions for overflow & div by zero */
|
411 | 7bfdb6d1 | bellard | void OPPROTO op_divb_AL_T0(void) |
412 | 7bfdb6d1 | bellard | { |
413 | 7bfdb6d1 | bellard | unsigned int num, den, q, r; |
414 | 7bfdb6d1 | bellard | |
415 | 7bfdb6d1 | bellard | num = (EAX & 0xffff);
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416 | 7bfdb6d1 | bellard | den = (T0 & 0xff);
|
417 | 7bfdb6d1 | bellard | q = (num / den) & 0xff;
|
418 | 7bfdb6d1 | bellard | r = (num % den) & 0xff;
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419 | 7bfdb6d1 | bellard | EAX = (EAX & 0xffff0000) | (r << 8) | q; |
420 | 7bfdb6d1 | bellard | } |
421 | 7bfdb6d1 | bellard | |
422 | 7bfdb6d1 | bellard | void OPPROTO op_idivb_AL_T0(void) |
423 | 7bfdb6d1 | bellard | { |
424 | 7bfdb6d1 | bellard | int num, den, q, r;
|
425 | 7bfdb6d1 | bellard | |
426 | 7bfdb6d1 | bellard | num = (int16_t)EAX; |
427 | 7bfdb6d1 | bellard | den = (int8_t)T0; |
428 | 7bfdb6d1 | bellard | q = (num / den) & 0xff;
|
429 | 7bfdb6d1 | bellard | r = (num % den) & 0xff;
|
430 | 7bfdb6d1 | bellard | EAX = (EAX & 0xffff0000) | (r << 8) | q; |
431 | 7bfdb6d1 | bellard | } |
432 | 7bfdb6d1 | bellard | |
433 | 7bfdb6d1 | bellard | void OPPROTO op_divw_AX_T0(void) |
434 | 7bfdb6d1 | bellard | { |
435 | 7bfdb6d1 | bellard | unsigned int num, den, q, r; |
436 | 7bfdb6d1 | bellard | |
437 | 7bfdb6d1 | bellard | num = (EAX & 0xffff) | ((EDX & 0xffff) << 16); |
438 | 7bfdb6d1 | bellard | den = (T0 & 0xffff);
|
439 | 7bfdb6d1 | bellard | q = (num / den) & 0xffff;
|
440 | 7bfdb6d1 | bellard | r = (num % den) & 0xffff;
|
441 | 7bfdb6d1 | bellard | EAX = (EAX & 0xffff0000) | q;
|
442 | 7bfdb6d1 | bellard | EDX = (EDX & 0xffff0000) | r;
|
443 | 7bfdb6d1 | bellard | } |
444 | 7bfdb6d1 | bellard | |
445 | 7bfdb6d1 | bellard | void OPPROTO op_idivw_AX_T0(void) |
446 | 7bfdb6d1 | bellard | { |
447 | 7bfdb6d1 | bellard | int num, den, q, r;
|
448 | 7bfdb6d1 | bellard | |
449 | 7bfdb6d1 | bellard | num = (EAX & 0xffff) | ((EDX & 0xffff) << 16); |
450 | 7bfdb6d1 | bellard | den = (int16_t)T0; |
451 | 7bfdb6d1 | bellard | q = (num / den) & 0xffff;
|
452 | 7bfdb6d1 | bellard | r = (num % den) & 0xffff;
|
453 | 7bfdb6d1 | bellard | EAX = (EAX & 0xffff0000) | q;
|
454 | 7bfdb6d1 | bellard | EDX = (EDX & 0xffff0000) | r;
|
455 | 7bfdb6d1 | bellard | } |
456 | 7bfdb6d1 | bellard | |
457 | 7bfdb6d1 | bellard | void OPPROTO op_divl_EAX_T0(void) |
458 | 7bfdb6d1 | bellard | { |
459 | 7bfdb6d1 | bellard | unsigned int den, q, r; |
460 | 7bfdb6d1 | bellard | uint64_t num; |
461 | 7bfdb6d1 | bellard | |
462 | 7bfdb6d1 | bellard | num = EAX | ((uint64_t)EDX << 32);
|
463 | 7bfdb6d1 | bellard | den = T0; |
464 | 7bfdb6d1 | bellard | q = (num / den); |
465 | 7bfdb6d1 | bellard | r = (num % den); |
466 | 7bfdb6d1 | bellard | EAX = q; |
467 | 7bfdb6d1 | bellard | EDX = r; |
468 | 7bfdb6d1 | bellard | } |
469 | 7bfdb6d1 | bellard | |
470 | 7bfdb6d1 | bellard | void OPPROTO op_idivl_EAX_T0(void) |
471 | 7bfdb6d1 | bellard | { |
472 | 7bfdb6d1 | bellard | int den, q, r;
|
473 | 4b74fe1f | bellard | int64_t num; |
474 | 7bfdb6d1 | bellard | |
475 | 7bfdb6d1 | bellard | num = EAX | ((uint64_t)EDX << 32);
|
476 | 4b74fe1f | bellard | den = T0; |
477 | 7bfdb6d1 | bellard | q = (num / den); |
478 | 7bfdb6d1 | bellard | r = (num % den); |
479 | 7bfdb6d1 | bellard | EAX = q; |
480 | 7bfdb6d1 | bellard | EDX = r; |
481 | 7bfdb6d1 | bellard | } |
482 | 7bfdb6d1 | bellard | |
483 | 7bfdb6d1 | bellard | /* constant load */
|
484 | 7bfdb6d1 | bellard | |
485 | ba1c6e37 | bellard | void OPPROTO op_movl_T0_im(void) |
486 | 7bfdb6d1 | bellard | { |
487 | 7bfdb6d1 | bellard | T0 = PARAM1; |
488 | 7bfdb6d1 | bellard | } |
489 | 7bfdb6d1 | bellard | |
490 | ba1c6e37 | bellard | void OPPROTO op_movl_T1_im(void) |
491 | 7bfdb6d1 | bellard | { |
492 | 7bfdb6d1 | bellard | T1 = PARAM1; |
493 | 7bfdb6d1 | bellard | } |
494 | 7bfdb6d1 | bellard | |
495 | ba1c6e37 | bellard | void OPPROTO op_movl_A0_im(void) |
496 | 7bfdb6d1 | bellard | { |
497 | 7bfdb6d1 | bellard | A0 = PARAM1; |
498 | 7bfdb6d1 | bellard | } |
499 | 7bfdb6d1 | bellard | |
500 | 4b74fe1f | bellard | void OPPROTO op_addl_A0_im(void) |
501 | 4b74fe1f | bellard | { |
502 | 4b74fe1f | bellard | A0 += PARAM1; |
503 | 4b74fe1f | bellard | } |
504 | 4b74fe1f | bellard | |
505 | 4b74fe1f | bellard | void OPPROTO op_andl_A0_ffff(void) |
506 | 4b74fe1f | bellard | { |
507 | 4b74fe1f | bellard | A0 = A0 & 0xffff;
|
508 | 4b74fe1f | bellard | } |
509 | 4b74fe1f | bellard | |
510 | 7bfdb6d1 | bellard | /* memory access */
|
511 | 7bfdb6d1 | bellard | |
512 | 7bfdb6d1 | bellard | void OPPROTO op_ldub_T0_A0(void) |
513 | 7bfdb6d1 | bellard | { |
514 | 7bfdb6d1 | bellard | T0 = ldub((uint8_t *)A0); |
515 | 7bfdb6d1 | bellard | } |
516 | 7bfdb6d1 | bellard | |
517 | 7bfdb6d1 | bellard | void OPPROTO op_ldsb_T0_A0(void) |
518 | 7bfdb6d1 | bellard | { |
519 | 7bfdb6d1 | bellard | T0 = ldsb((int8_t *)A0); |
520 | 7bfdb6d1 | bellard | } |
521 | 7bfdb6d1 | bellard | |
522 | 7bfdb6d1 | bellard | void OPPROTO op_lduw_T0_A0(void) |
523 | 7bfdb6d1 | bellard | { |
524 | 7bfdb6d1 | bellard | T0 = lduw((uint8_t *)A0); |
525 | 7bfdb6d1 | bellard | } |
526 | 7bfdb6d1 | bellard | |
527 | 7bfdb6d1 | bellard | void OPPROTO op_ldsw_T0_A0(void) |
528 | 7bfdb6d1 | bellard | { |
529 | 7bfdb6d1 | bellard | T0 = ldsw((int8_t *)A0); |
530 | 7bfdb6d1 | bellard | } |
531 | 7bfdb6d1 | bellard | |
532 | 7bfdb6d1 | bellard | void OPPROTO op_ldl_T0_A0(void) |
533 | 7bfdb6d1 | bellard | { |
534 | 7bfdb6d1 | bellard | T0 = ldl((uint8_t *)A0); |
535 | 7bfdb6d1 | bellard | } |
536 | 7bfdb6d1 | bellard | |
537 | 7bfdb6d1 | bellard | void OPPROTO op_ldub_T1_A0(void) |
538 | 7bfdb6d1 | bellard | { |
539 | 7bfdb6d1 | bellard | T1 = ldub((uint8_t *)A0); |
540 | 7bfdb6d1 | bellard | } |
541 | 7bfdb6d1 | bellard | |
542 | 7bfdb6d1 | bellard | void OPPROTO op_ldsb_T1_A0(void) |
543 | 7bfdb6d1 | bellard | { |
544 | 7bfdb6d1 | bellard | T1 = ldsb((int8_t *)A0); |
545 | 7bfdb6d1 | bellard | } |
546 | 7bfdb6d1 | bellard | |
547 | 7bfdb6d1 | bellard | void OPPROTO op_lduw_T1_A0(void) |
548 | 7bfdb6d1 | bellard | { |
549 | 7bfdb6d1 | bellard | T1 = lduw((uint8_t *)A0); |
550 | 7bfdb6d1 | bellard | } |
551 | 7bfdb6d1 | bellard | |
552 | 7bfdb6d1 | bellard | void OPPROTO op_ldsw_T1_A0(void) |
553 | 7bfdb6d1 | bellard | { |
554 | 7bfdb6d1 | bellard | T1 = ldsw((int8_t *)A0); |
555 | 7bfdb6d1 | bellard | } |
556 | 7bfdb6d1 | bellard | |
557 | 7bfdb6d1 | bellard | void OPPROTO op_ldl_T1_A0(void) |
558 | 7bfdb6d1 | bellard | { |
559 | 7bfdb6d1 | bellard | T1 = ldl((uint8_t *)A0); |
560 | 7bfdb6d1 | bellard | } |
561 | 7bfdb6d1 | bellard | |
562 | 7bfdb6d1 | bellard | void OPPROTO op_stb_T0_A0(void) |
563 | 7bfdb6d1 | bellard | { |
564 | 7bfdb6d1 | bellard | stb((uint8_t *)A0, T0); |
565 | 7bfdb6d1 | bellard | } |
566 | 7bfdb6d1 | bellard | |
567 | 7bfdb6d1 | bellard | void OPPROTO op_stw_T0_A0(void) |
568 | 7bfdb6d1 | bellard | { |
569 | 7bfdb6d1 | bellard | stw((uint8_t *)A0, T0); |
570 | 7bfdb6d1 | bellard | } |
571 | 7bfdb6d1 | bellard | |
572 | 7bfdb6d1 | bellard | void OPPROTO op_stl_T0_A0(void) |
573 | 7bfdb6d1 | bellard | { |
574 | 7bfdb6d1 | bellard | stl((uint8_t *)A0, T0); |
575 | 7bfdb6d1 | bellard | } |
576 | 7bfdb6d1 | bellard | |
577 | 4b74fe1f | bellard | /* used for bit operations */
|
578 | 4b74fe1f | bellard | |
579 | 4b74fe1f | bellard | void OPPROTO op_add_bitw_A0_T1(void) |
580 | 4b74fe1f | bellard | { |
581 | 4b74fe1f | bellard | A0 += ((int32_t)T1 >> 4) << 1; |
582 | 4b74fe1f | bellard | } |
583 | 4b74fe1f | bellard | |
584 | 4b74fe1f | bellard | void OPPROTO op_add_bitl_A0_T1(void) |
585 | 4b74fe1f | bellard | { |
586 | 4b74fe1f | bellard | A0 += ((int32_t)T1 >> 5) << 2; |
587 | 4b74fe1f | bellard | } |
588 | 7bfdb6d1 | bellard | |
589 | 7bfdb6d1 | bellard | /* indirect jump */
|
590 | 0ecfa993 | bellard | |
591 | 7bfdb6d1 | bellard | void OPPROTO op_jmp_T0(void) |
592 | 7bfdb6d1 | bellard | { |
593 | 7bfdb6d1 | bellard | PC = T0; |
594 | 7bfdb6d1 | bellard | } |
595 | 7bfdb6d1 | bellard | |
596 | 7bfdb6d1 | bellard | void OPPROTO op_jmp_im(void) |
597 | 7bfdb6d1 | bellard | { |
598 | 7bfdb6d1 | bellard | PC = PARAM1; |
599 | 7bfdb6d1 | bellard | } |
600 | 7bfdb6d1 | bellard | |
601 | 0ecfa993 | bellard | void OPPROTO op_int_im(void) |
602 | 0ecfa993 | bellard | { |
603 | 0ecfa993 | bellard | PC = PARAM1; |
604 | 0ecfa993 | bellard | raise_exception(EXCP0D_GPF); |
605 | 0ecfa993 | bellard | } |
606 | 0ecfa993 | bellard | |
607 | 0ecfa993 | bellard | void OPPROTO op_int3(void) |
608 | 0ecfa993 | bellard | { |
609 | 0ecfa993 | bellard | PC = PARAM1; |
610 | 0ecfa993 | bellard | raise_exception(EXCP03_INT3); |
611 | 0ecfa993 | bellard | } |
612 | 0ecfa993 | bellard | |
613 | 0ecfa993 | bellard | void OPPROTO op_into(void) |
614 | 0ecfa993 | bellard | { |
615 | 0ecfa993 | bellard | int eflags;
|
616 | 0ecfa993 | bellard | eflags = cc_table[CC_OP].compute_all(); |
617 | 0ecfa993 | bellard | if (eflags & CC_O) {
|
618 | 0ecfa993 | bellard | PC = PARAM1; |
619 | 0ecfa993 | bellard | raise_exception(EXCP04_INTO); |
620 | 0ecfa993 | bellard | } else {
|
621 | 0ecfa993 | bellard | PC = PARAM2; |
622 | 0ecfa993 | bellard | } |
623 | 0ecfa993 | bellard | } |
624 | 0ecfa993 | bellard | |
625 | 7bfdb6d1 | bellard | /* string ops */
|
626 | 7bfdb6d1 | bellard | |
627 | 7bfdb6d1 | bellard | #define ldul ldl
|
628 | 7bfdb6d1 | bellard | |
629 | 7bfdb6d1 | bellard | #define SHIFT 0 |
630 | 367e86e8 | bellard | #include "ops_template.h" |
631 | 7bfdb6d1 | bellard | #undef SHIFT
|
632 | 7bfdb6d1 | bellard | |
633 | 7bfdb6d1 | bellard | #define SHIFT 1 |
634 | 367e86e8 | bellard | #include "ops_template.h" |
635 | 7bfdb6d1 | bellard | #undef SHIFT
|
636 | 7bfdb6d1 | bellard | |
637 | 7bfdb6d1 | bellard | #define SHIFT 2 |
638 | 367e86e8 | bellard | #include "ops_template.h" |
639 | 7bfdb6d1 | bellard | #undef SHIFT
|
640 | 7bfdb6d1 | bellard | |
641 | 7bfdb6d1 | bellard | /* sign extend */
|
642 | 7bfdb6d1 | bellard | |
643 | 7bfdb6d1 | bellard | void OPPROTO op_movsbl_T0_T0(void) |
644 | 7bfdb6d1 | bellard | { |
645 | 7bfdb6d1 | bellard | T0 = (int8_t)T0; |
646 | 7bfdb6d1 | bellard | } |
647 | 7bfdb6d1 | bellard | |
648 | 7bfdb6d1 | bellard | void OPPROTO op_movzbl_T0_T0(void) |
649 | 7bfdb6d1 | bellard | { |
650 | 7bfdb6d1 | bellard | T0 = (uint8_t)T0; |
651 | 7bfdb6d1 | bellard | } |
652 | 7bfdb6d1 | bellard | |
653 | 7bfdb6d1 | bellard | void OPPROTO op_movswl_T0_T0(void) |
654 | 7bfdb6d1 | bellard | { |
655 | 7bfdb6d1 | bellard | T0 = (int16_t)T0; |
656 | 7bfdb6d1 | bellard | } |
657 | 7bfdb6d1 | bellard | |
658 | 7bfdb6d1 | bellard | void OPPROTO op_movzwl_T0_T0(void) |
659 | 7bfdb6d1 | bellard | { |
660 | 7bfdb6d1 | bellard | T0 = (uint16_t)T0; |
661 | 7bfdb6d1 | bellard | } |
662 | 7bfdb6d1 | bellard | |
663 | 7bfdb6d1 | bellard | void OPPROTO op_movswl_EAX_AX(void) |
664 | 7bfdb6d1 | bellard | { |
665 | 7bfdb6d1 | bellard | EAX = (int16_t)EAX; |
666 | 7bfdb6d1 | bellard | } |
667 | 7bfdb6d1 | bellard | |
668 | 7bfdb6d1 | bellard | void OPPROTO op_movsbw_AX_AL(void) |
669 | 7bfdb6d1 | bellard | { |
670 | 7bfdb6d1 | bellard | EAX = (EAX & 0xffff0000) | ((int8_t)EAX & 0xffff); |
671 | 7bfdb6d1 | bellard | } |
672 | 7bfdb6d1 | bellard | |
673 | 7bfdb6d1 | bellard | void OPPROTO op_movslq_EDX_EAX(void) |
674 | 7bfdb6d1 | bellard | { |
675 | 7bfdb6d1 | bellard | EDX = (int32_t)EAX >> 31;
|
676 | 7bfdb6d1 | bellard | } |
677 | 7bfdb6d1 | bellard | |
678 | 7bfdb6d1 | bellard | void OPPROTO op_movswl_DX_AX(void) |
679 | 7bfdb6d1 | bellard | { |
680 | 7bfdb6d1 | bellard | EDX = (EDX & 0xffff0000) | (((int16_t)EAX >> 15) & 0xffff); |
681 | 7bfdb6d1 | bellard | } |
682 | 7bfdb6d1 | bellard | |
683 | 7bfdb6d1 | bellard | /* push/pop */
|
684 | 7bfdb6d1 | bellard | /* XXX: add 16 bit operand/16 bit seg variants */
|
685 | 7bfdb6d1 | bellard | |
686 | 7bfdb6d1 | bellard | void op_pushl_T0(void) |
687 | 7bfdb6d1 | bellard | { |
688 | 7bfdb6d1 | bellard | uint32_t offset; |
689 | 7bfdb6d1 | bellard | offset = ESP - 4;
|
690 | 7bfdb6d1 | bellard | stl((void *)offset, T0);
|
691 | 7bfdb6d1 | bellard | /* modify ESP after to handle exceptions correctly */
|
692 | 7bfdb6d1 | bellard | ESP = offset; |
693 | 7bfdb6d1 | bellard | } |
694 | 7bfdb6d1 | bellard | |
695 | 7bfdb6d1 | bellard | void op_pushl_T1(void) |
696 | 7bfdb6d1 | bellard | { |
697 | 7bfdb6d1 | bellard | uint32_t offset; |
698 | 7bfdb6d1 | bellard | offset = ESP - 4;
|
699 | 7bfdb6d1 | bellard | stl((void *)offset, T1);
|
700 | 7bfdb6d1 | bellard | /* modify ESP after to handle exceptions correctly */
|
701 | 7bfdb6d1 | bellard | ESP = offset; |
702 | 7bfdb6d1 | bellard | } |
703 | 7bfdb6d1 | bellard | |
704 | 7bfdb6d1 | bellard | void op_popl_T0(void) |
705 | 7bfdb6d1 | bellard | { |
706 | 7bfdb6d1 | bellard | T0 = ldl((void *)ESP);
|
707 | 7bfdb6d1 | bellard | ESP += 4;
|
708 | 7bfdb6d1 | bellard | } |
709 | 7bfdb6d1 | bellard | |
710 | 7bfdb6d1 | bellard | void op_addl_ESP_im(void) |
711 | 7bfdb6d1 | bellard | { |
712 | 7bfdb6d1 | bellard | ESP += PARAM1; |
713 | 7bfdb6d1 | bellard | } |
714 | 367e86e8 | bellard | |
715 | 367e86e8 | bellard | /* flags handling */
|
716 | 367e86e8 | bellard | |
717 | 367e86e8 | bellard | /* slow jumps cases (compute x86 flags) */
|
718 | 367e86e8 | bellard | void OPPROTO op_jo_cc(void) |
719 | 367e86e8 | bellard | { |
720 | 367e86e8 | bellard | int eflags;
|
721 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
722 | 367e86e8 | bellard | if (eflags & CC_O)
|
723 | 0ecfa993 | bellard | PC = PARAM1; |
724 | 367e86e8 | bellard | else
|
725 | 0ecfa993 | bellard | PC = PARAM2; |
726 | 0ecfa993 | bellard | FORCE_RET(); |
727 | 367e86e8 | bellard | } |
728 | 367e86e8 | bellard | |
729 | 367e86e8 | bellard | void OPPROTO op_jb_cc(void) |
730 | 367e86e8 | bellard | { |
731 | 367e86e8 | bellard | if (cc_table[CC_OP].compute_c())
|
732 | 0ecfa993 | bellard | PC = PARAM1; |
733 | 367e86e8 | bellard | else
|
734 | 0ecfa993 | bellard | PC = PARAM2; |
735 | 0ecfa993 | bellard | FORCE_RET(); |
736 | 367e86e8 | bellard | } |
737 | 367e86e8 | bellard | |
738 | 367e86e8 | bellard | void OPPROTO op_jz_cc(void) |
739 | 367e86e8 | bellard | { |
740 | 367e86e8 | bellard | int eflags;
|
741 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
742 | 367e86e8 | bellard | if (eflags & CC_Z)
|
743 | 0ecfa993 | bellard | PC = PARAM1; |
744 | 367e86e8 | bellard | else
|
745 | 0ecfa993 | bellard | PC = PARAM2; |
746 | 0ecfa993 | bellard | FORCE_RET(); |
747 | 367e86e8 | bellard | } |
748 | 367e86e8 | bellard | |
749 | 367e86e8 | bellard | void OPPROTO op_jbe_cc(void) |
750 | 367e86e8 | bellard | { |
751 | 367e86e8 | bellard | int eflags;
|
752 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
753 | 367e86e8 | bellard | if (eflags & (CC_Z | CC_C))
|
754 | 0ecfa993 | bellard | PC = PARAM1; |
755 | 367e86e8 | bellard | else
|
756 | 0ecfa993 | bellard | PC = PARAM2; |
757 | 0ecfa993 | bellard | FORCE_RET(); |
758 | 367e86e8 | bellard | } |
759 | 367e86e8 | bellard | |
760 | 367e86e8 | bellard | void OPPROTO op_js_cc(void) |
761 | 367e86e8 | bellard | { |
762 | 367e86e8 | bellard | int eflags;
|
763 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
764 | 367e86e8 | bellard | if (eflags & CC_S)
|
765 | 0ecfa993 | bellard | PC = PARAM1; |
766 | 367e86e8 | bellard | else
|
767 | 0ecfa993 | bellard | PC = PARAM2; |
768 | 0ecfa993 | bellard | FORCE_RET(); |
769 | 367e86e8 | bellard | } |
770 | 367e86e8 | bellard | |
771 | 367e86e8 | bellard | void OPPROTO op_jp_cc(void) |
772 | 367e86e8 | bellard | { |
773 | 367e86e8 | bellard | int eflags;
|
774 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
775 | 367e86e8 | bellard | if (eflags & CC_P)
|
776 | 0ecfa993 | bellard | PC = PARAM1; |
777 | 367e86e8 | bellard | else
|
778 | 0ecfa993 | bellard | PC = PARAM2; |
779 | 0ecfa993 | bellard | FORCE_RET(); |
780 | 367e86e8 | bellard | } |
781 | 367e86e8 | bellard | |
782 | 367e86e8 | bellard | void OPPROTO op_jl_cc(void) |
783 | 367e86e8 | bellard | { |
784 | 367e86e8 | bellard | int eflags;
|
785 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
786 | 367e86e8 | bellard | if ((eflags ^ (eflags >> 4)) & 0x80) |
787 | 0ecfa993 | bellard | PC = PARAM1; |
788 | 367e86e8 | bellard | else
|
789 | 0ecfa993 | bellard | PC = PARAM2; |
790 | 0ecfa993 | bellard | FORCE_RET(); |
791 | 367e86e8 | bellard | } |
792 | 367e86e8 | bellard | |
793 | 367e86e8 | bellard | void OPPROTO op_jle_cc(void) |
794 | 367e86e8 | bellard | { |
795 | 367e86e8 | bellard | int eflags;
|
796 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
797 | 367e86e8 | bellard | if (((eflags ^ (eflags >> 4)) & 0x80) || (eflags & CC_Z)) |
798 | 0ecfa993 | bellard | PC = PARAM1; |
799 | 367e86e8 | bellard | else
|
800 | 0ecfa993 | bellard | PC = PARAM2; |
801 | 0ecfa993 | bellard | FORCE_RET(); |
802 | 367e86e8 | bellard | } |
803 | 367e86e8 | bellard | |
804 | 367e86e8 | bellard | /* slow set cases (compute x86 flags) */
|
805 | 367e86e8 | bellard | void OPPROTO op_seto_T0_cc(void) |
806 | 367e86e8 | bellard | { |
807 | 367e86e8 | bellard | int eflags;
|
808 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
809 | 367e86e8 | bellard | T0 = (eflags >> 11) & 1; |
810 | 367e86e8 | bellard | } |
811 | 367e86e8 | bellard | |
812 | 367e86e8 | bellard | void OPPROTO op_setb_T0_cc(void) |
813 | 367e86e8 | bellard | { |
814 | 367e86e8 | bellard | T0 = cc_table[CC_OP].compute_c(); |
815 | 367e86e8 | bellard | } |
816 | 367e86e8 | bellard | |
817 | 367e86e8 | bellard | void OPPROTO op_setz_T0_cc(void) |
818 | 367e86e8 | bellard | { |
819 | 367e86e8 | bellard | int eflags;
|
820 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
821 | 367e86e8 | bellard | T0 = (eflags >> 6) & 1; |
822 | 367e86e8 | bellard | } |
823 | 367e86e8 | bellard | |
824 | 367e86e8 | bellard | void OPPROTO op_setbe_T0_cc(void) |
825 | 367e86e8 | bellard | { |
826 | 367e86e8 | bellard | int eflags;
|
827 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
828 | 367e86e8 | bellard | T0 = (eflags & (CC_Z | CC_C)) != 0;
|
829 | 367e86e8 | bellard | } |
830 | 367e86e8 | bellard | |
831 | 367e86e8 | bellard | void OPPROTO op_sets_T0_cc(void) |
832 | 367e86e8 | bellard | { |
833 | 367e86e8 | bellard | int eflags;
|
834 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
835 | 367e86e8 | bellard | T0 = (eflags >> 7) & 1; |
836 | 367e86e8 | bellard | } |
837 | 367e86e8 | bellard | |
838 | 367e86e8 | bellard | void OPPROTO op_setp_T0_cc(void) |
839 | 367e86e8 | bellard | { |
840 | 367e86e8 | bellard | int eflags;
|
841 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
842 | 367e86e8 | bellard | T0 = (eflags >> 2) & 1; |
843 | 367e86e8 | bellard | } |
844 | 367e86e8 | bellard | |
845 | 367e86e8 | bellard | void OPPROTO op_setl_T0_cc(void) |
846 | 367e86e8 | bellard | { |
847 | 367e86e8 | bellard | int eflags;
|
848 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
849 | 367e86e8 | bellard | T0 = ((eflags ^ (eflags >> 4)) >> 7) & 1; |
850 | 367e86e8 | bellard | } |
851 | 367e86e8 | bellard | |
852 | 367e86e8 | bellard | void OPPROTO op_setle_T0_cc(void) |
853 | 367e86e8 | bellard | { |
854 | 367e86e8 | bellard | int eflags;
|
855 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
856 | 367e86e8 | bellard | T0 = (((eflags ^ (eflags >> 4)) & 0x80) || (eflags & CC_Z)) != 0; |
857 | 367e86e8 | bellard | } |
858 | 367e86e8 | bellard | |
859 | 367e86e8 | bellard | void OPPROTO op_xor_T0_1(void) |
860 | 367e86e8 | bellard | { |
861 | 367e86e8 | bellard | T0 ^= 1;
|
862 | 367e86e8 | bellard | } |
863 | 367e86e8 | bellard | |
864 | 367e86e8 | bellard | void OPPROTO op_set_cc_op(void) |
865 | 367e86e8 | bellard | { |
866 | 367e86e8 | bellard | CC_OP = PARAM1; |
867 | 367e86e8 | bellard | } |
868 | 367e86e8 | bellard | |
869 | 367e86e8 | bellard | void OPPROTO op_movl_eflags_T0(void) |
870 | 367e86e8 | bellard | { |
871 | 367e86e8 | bellard | CC_SRC = T0; |
872 | 367e86e8 | bellard | DF = 1 - (2 * ((T0 >> 10) & 1)); |
873 | 367e86e8 | bellard | } |
874 | 367e86e8 | bellard | |
875 | 367e86e8 | bellard | /* XXX: compute only O flag */
|
876 | 367e86e8 | bellard | void OPPROTO op_movb_eflags_T0(void) |
877 | 367e86e8 | bellard | { |
878 | 367e86e8 | bellard | int of;
|
879 | 367e86e8 | bellard | of = cc_table[CC_OP].compute_all() & CC_O; |
880 | 367e86e8 | bellard | CC_SRC = T0 | of; |
881 | 367e86e8 | bellard | } |
882 | 367e86e8 | bellard | |
883 | 367e86e8 | bellard | void OPPROTO op_movl_T0_eflags(void) |
884 | 367e86e8 | bellard | { |
885 | 367e86e8 | bellard | T0 = cc_table[CC_OP].compute_all(); |
886 | 367e86e8 | bellard | T0 |= (DF & DIRECTION_FLAG); |
887 | 367e86e8 | bellard | } |
888 | 367e86e8 | bellard | |
889 | 367e86e8 | bellard | void OPPROTO op_cld(void) |
890 | 367e86e8 | bellard | { |
891 | 367e86e8 | bellard | DF = 1;
|
892 | 367e86e8 | bellard | } |
893 | 367e86e8 | bellard | |
894 | 367e86e8 | bellard | void OPPROTO op_std(void) |
895 | 367e86e8 | bellard | { |
896 | 367e86e8 | bellard | DF = -1;
|
897 | 367e86e8 | bellard | } |
898 | 367e86e8 | bellard | |
899 | 367e86e8 | bellard | void OPPROTO op_clc(void) |
900 | 367e86e8 | bellard | { |
901 | 367e86e8 | bellard | int eflags;
|
902 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
903 | 367e86e8 | bellard | eflags &= ~CC_C; |
904 | 367e86e8 | bellard | CC_SRC = eflags; |
905 | 367e86e8 | bellard | } |
906 | 367e86e8 | bellard | |
907 | 367e86e8 | bellard | void OPPROTO op_stc(void) |
908 | 367e86e8 | bellard | { |
909 | 367e86e8 | bellard | int eflags;
|
910 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
911 | 367e86e8 | bellard | eflags |= CC_C; |
912 | 367e86e8 | bellard | CC_SRC = eflags; |
913 | 367e86e8 | bellard | } |
914 | 367e86e8 | bellard | |
915 | 367e86e8 | bellard | void OPPROTO op_cmc(void) |
916 | 367e86e8 | bellard | { |
917 | 367e86e8 | bellard | int eflags;
|
918 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
919 | 367e86e8 | bellard | eflags ^= CC_C; |
920 | 367e86e8 | bellard | CC_SRC = eflags; |
921 | 367e86e8 | bellard | } |
922 | 367e86e8 | bellard | |
923 | 367e86e8 | bellard | static int compute_all_eflags(void) |
924 | 367e86e8 | bellard | { |
925 | 367e86e8 | bellard | return CC_SRC;
|
926 | 367e86e8 | bellard | } |
927 | 367e86e8 | bellard | |
928 | 367e86e8 | bellard | static int compute_c_eflags(void) |
929 | 367e86e8 | bellard | { |
930 | 367e86e8 | bellard | return CC_SRC & CC_C;
|
931 | 367e86e8 | bellard | } |
932 | 367e86e8 | bellard | |
933 | 367e86e8 | bellard | static int compute_c_mul(void) |
934 | 367e86e8 | bellard | { |
935 | 367e86e8 | bellard | int cf;
|
936 | 367e86e8 | bellard | cf = (CC_SRC != 0);
|
937 | 367e86e8 | bellard | return cf;
|
938 | 367e86e8 | bellard | } |
939 | 367e86e8 | bellard | |
940 | 367e86e8 | bellard | static int compute_all_mul(void) |
941 | 367e86e8 | bellard | { |
942 | 367e86e8 | bellard | int cf, pf, af, zf, sf, of;
|
943 | 367e86e8 | bellard | cf = (CC_SRC != 0);
|
944 | 367e86e8 | bellard | pf = 0; /* undefined */ |
945 | 367e86e8 | bellard | af = 0; /* undefined */ |
946 | 367e86e8 | bellard | zf = 0; /* undefined */ |
947 | 367e86e8 | bellard | sf = 0; /* undefined */ |
948 | 367e86e8 | bellard | of = cf << 11;
|
949 | 367e86e8 | bellard | return cf | pf | af | zf | sf | of;
|
950 | 367e86e8 | bellard | } |
951 | 367e86e8 | bellard | |
952 | 367e86e8 | bellard | CCTable cc_table[CC_OP_NB] = { |
953 | 367e86e8 | bellard | [CC_OP_DYNAMIC] = { /* should never happen */ },
|
954 | 367e86e8 | bellard | |
955 | 367e86e8 | bellard | [CC_OP_EFLAGS] = { compute_all_eflags, compute_c_eflags }, |
956 | 367e86e8 | bellard | |
957 | 367e86e8 | bellard | [CC_OP_MUL] = { compute_all_mul, compute_c_mul }, |
958 | 367e86e8 | bellard | |
959 | 367e86e8 | bellard | [CC_OP_ADDB] = { compute_all_addb, compute_c_addb }, |
960 | 367e86e8 | bellard | [CC_OP_ADDW] = { compute_all_addw, compute_c_addw }, |
961 | 367e86e8 | bellard | [CC_OP_ADDL] = { compute_all_addl, compute_c_addl }, |
962 | 367e86e8 | bellard | |
963 | 4b74fe1f | bellard | [CC_OP_ADCB] = { compute_all_adcb, compute_c_adcb }, |
964 | 4b74fe1f | bellard | [CC_OP_ADCW] = { compute_all_adcw, compute_c_adcw }, |
965 | 4b74fe1f | bellard | [CC_OP_ADCL] = { compute_all_adcl, compute_c_adcl }, |
966 | 4b74fe1f | bellard | |
967 | 367e86e8 | bellard | [CC_OP_SUBB] = { compute_all_subb, compute_c_subb }, |
968 | 367e86e8 | bellard | [CC_OP_SUBW] = { compute_all_subw, compute_c_subw }, |
969 | 367e86e8 | bellard | [CC_OP_SUBL] = { compute_all_subl, compute_c_subl }, |
970 | 367e86e8 | bellard | |
971 | 4b74fe1f | bellard | [CC_OP_SBBB] = { compute_all_sbbb, compute_c_sbbb }, |
972 | 4b74fe1f | bellard | [CC_OP_SBBW] = { compute_all_sbbw, compute_c_sbbw }, |
973 | 4b74fe1f | bellard | [CC_OP_SBBL] = { compute_all_sbbl, compute_c_sbbl }, |
974 | 4b74fe1f | bellard | |
975 | 367e86e8 | bellard | [CC_OP_LOGICB] = { compute_all_logicb, compute_c_logicb }, |
976 | 367e86e8 | bellard | [CC_OP_LOGICW] = { compute_all_logicw, compute_c_logicw }, |
977 | 367e86e8 | bellard | [CC_OP_LOGICL] = { compute_all_logicl, compute_c_logicl }, |
978 | 367e86e8 | bellard | |
979 | 4b74fe1f | bellard | [CC_OP_INCB] = { compute_all_incb, compute_c_incl }, |
980 | 4b74fe1f | bellard | [CC_OP_INCW] = { compute_all_incw, compute_c_incl }, |
981 | 367e86e8 | bellard | [CC_OP_INCL] = { compute_all_incl, compute_c_incl }, |
982 | 367e86e8 | bellard | |
983 | 4b74fe1f | bellard | [CC_OP_DECB] = { compute_all_decb, compute_c_incl }, |
984 | 4b74fe1f | bellard | [CC_OP_DECW] = { compute_all_decw, compute_c_incl }, |
985 | 367e86e8 | bellard | [CC_OP_DECL] = { compute_all_decl, compute_c_incl }, |
986 | 367e86e8 | bellard | |
987 | 4b74fe1f | bellard | [CC_OP_SHLB] = { compute_all_shlb, compute_c_shll }, |
988 | 4b74fe1f | bellard | [CC_OP_SHLW] = { compute_all_shlw, compute_c_shll }, |
989 | 367e86e8 | bellard | [CC_OP_SHLL] = { compute_all_shll, compute_c_shll }, |
990 | 4b74fe1f | bellard | |
991 | 4b74fe1f | bellard | [CC_OP_SARB] = { compute_all_sarb, compute_c_shll }, |
992 | 4b74fe1f | bellard | [CC_OP_SARW] = { compute_all_sarw, compute_c_shll }, |
993 | 4b74fe1f | bellard | [CC_OP_SARL] = { compute_all_sarl, compute_c_shll }, |
994 | 367e86e8 | bellard | }; |
995 | 927f621e | bellard | |
996 | 927f621e | bellard | /* floating point support */
|
997 | 927f621e | bellard | |
998 | 927f621e | bellard | #ifdef USE_X86LDOUBLE
|
999 | 927f621e | bellard | /* use long double functions */
|
1000 | 927f621e | bellard | #define lrint lrintl
|
1001 | 927f621e | bellard | #define llrint llrintl
|
1002 | 927f621e | bellard | #define fabs fabsl
|
1003 | 927f621e | bellard | #define sin sinl
|
1004 | 927f621e | bellard | #define cos cosl
|
1005 | 927f621e | bellard | #define sqrt sqrtl
|
1006 | 927f621e | bellard | #define pow powl
|
1007 | 927f621e | bellard | #define log logl
|
1008 | 927f621e | bellard | #define tan tanl
|
1009 | 927f621e | bellard | #define atan2 atan2l
|
1010 | 927f621e | bellard | #define floor floorl
|
1011 | 927f621e | bellard | #define ceil ceill
|
1012 | 927f621e | bellard | #define rint rintl
|
1013 | 927f621e | bellard | #endif
|
1014 | 927f621e | bellard | |
1015 | 927f621e | bellard | extern int lrint(CPU86_LDouble x); |
1016 | 927f621e | bellard | extern int64_t llrint(CPU86_LDouble x);
|
1017 | 927f621e | bellard | extern CPU86_LDouble fabs(CPU86_LDouble x);
|
1018 | 927f621e | bellard | extern CPU86_LDouble sin(CPU86_LDouble x);
|
1019 | 927f621e | bellard | extern CPU86_LDouble cos(CPU86_LDouble x);
|
1020 | 927f621e | bellard | extern CPU86_LDouble sqrt(CPU86_LDouble x);
|
1021 | 927f621e | bellard | extern CPU86_LDouble pow(CPU86_LDouble, CPU86_LDouble);
|
1022 | 927f621e | bellard | extern CPU86_LDouble log(CPU86_LDouble x);
|
1023 | 927f621e | bellard | extern CPU86_LDouble tan(CPU86_LDouble x);
|
1024 | 927f621e | bellard | extern CPU86_LDouble atan2(CPU86_LDouble, CPU86_LDouble);
|
1025 | 927f621e | bellard | extern CPU86_LDouble floor(CPU86_LDouble x);
|
1026 | 927f621e | bellard | extern CPU86_LDouble ceil(CPU86_LDouble x);
|
1027 | 927f621e | bellard | extern CPU86_LDouble rint(CPU86_LDouble x);
|
1028 | 927f621e | bellard | |
1029 | 927f621e | bellard | #define RC_MASK 0xc00 |
1030 | 927f621e | bellard | #define RC_NEAR 0x000 |
1031 | 927f621e | bellard | #define RC_DOWN 0x400 |
1032 | 927f621e | bellard | #define RC_UP 0x800 |
1033 | 927f621e | bellard | #define RC_CHOP 0xc00 |
1034 | 927f621e | bellard | |
1035 | 927f621e | bellard | #define MAXTAN 9223372036854775808.0 |
1036 | 927f621e | bellard | |
1037 | 927f621e | bellard | #ifdef USE_X86LDOUBLE
|
1038 | 927f621e | bellard | |
1039 | 927f621e | bellard | /* only for x86 */
|
1040 | 927f621e | bellard | typedef union { |
1041 | 927f621e | bellard | long double d; |
1042 | 927f621e | bellard | struct {
|
1043 | 927f621e | bellard | unsigned long long lower; |
1044 | 927f621e | bellard | unsigned short upper; |
1045 | 927f621e | bellard | } l; |
1046 | 927f621e | bellard | } CPU86_LDoubleU; |
1047 | 927f621e | bellard | |
1048 | 927f621e | bellard | /* the following deal with x86 long double-precision numbers */
|
1049 | 927f621e | bellard | #define MAXEXPD 0x7fff |
1050 | 927f621e | bellard | #define EXPBIAS 16383 |
1051 | 927f621e | bellard | #define EXPD(fp) (fp.l.upper & 0x7fff) |
1052 | 927f621e | bellard | #define SIGND(fp) ((fp.l.upper) & 0x8000) |
1053 | 927f621e | bellard | #define MANTD(fp) (fp.l.lower)
|
1054 | 927f621e | bellard | #define BIASEXPONENT(fp) fp.l.upper = (fp.l.upper & ~(0x7fff)) | EXPBIAS |
1055 | 927f621e | bellard | |
1056 | 927f621e | bellard | #else
|
1057 | 927f621e | bellard | |
1058 | 927f621e | bellard | typedef {
|
1059 | 927f621e | bellard | double d;
|
1060 | 927f621e | bellard | #ifndef WORDS_BIGENDIAN
|
1061 | 927f621e | bellard | struct {
|
1062 | 927f621e | bellard | unsigned long lower; |
1063 | 927f621e | bellard | long upper;
|
1064 | 927f621e | bellard | } l; |
1065 | 927f621e | bellard | #else
|
1066 | 927f621e | bellard | struct {
|
1067 | 927f621e | bellard | long upper;
|
1068 | 927f621e | bellard | unsigned long lower; |
1069 | 927f621e | bellard | } l; |
1070 | 927f621e | bellard | #endif
|
1071 | 927f621e | bellard | long long ll; |
1072 | 927f621e | bellard | } CPU86_LDoubleU; |
1073 | 927f621e | bellard | |
1074 | 927f621e | bellard | /* the following deal with IEEE double-precision numbers */
|
1075 | 927f621e | bellard | #define MAXEXPD 0x7ff |
1076 | 927f621e | bellard | #define EXPBIAS 1023 |
1077 | 927f621e | bellard | #define EXPD(fp) (((fp.l.upper) >> 20) & 0x7FF) |
1078 | 927f621e | bellard | #define SIGND(fp) ((fp.l.upper) & 0x80000000) |
1079 | 927f621e | bellard | #define MANTD(fp) (fp.ll & ((1LL << 52) - 1)) |
1080 | 927f621e | bellard | #define BIASEXPONENT(fp) fp.l.upper = (fp.l.upper & ~(0x7ff << 20)) | (EXPBIAS << 20) |
1081 | 927f621e | bellard | #endif
|
1082 | 927f621e | bellard | |
1083 | 927f621e | bellard | /* fp load FT0 */
|
1084 | 927f621e | bellard | |
1085 | 927f621e | bellard | void OPPROTO op_flds_FT0_A0(void) |
1086 | 927f621e | bellard | { |
1087 | 927f621e | bellard | FT0 = ldfl((void *)A0);
|
1088 | 927f621e | bellard | } |
1089 | 927f621e | bellard | |
1090 | 927f621e | bellard | void OPPROTO op_fldl_FT0_A0(void) |
1091 | 927f621e | bellard | { |
1092 | 927f621e | bellard | FT0 = ldfq((void *)A0);
|
1093 | 927f621e | bellard | } |
1094 | 927f621e | bellard | |
1095 | 927f621e | bellard | void OPPROTO op_fild_FT0_A0(void) |
1096 | 927f621e | bellard | { |
1097 | 927f621e | bellard | FT0 = (CPU86_LDouble)ldsw((void *)A0);
|
1098 | 927f621e | bellard | } |
1099 | 927f621e | bellard | |
1100 | 927f621e | bellard | void OPPROTO op_fildl_FT0_A0(void) |
1101 | 927f621e | bellard | { |
1102 | 927f621e | bellard | FT0 = (CPU86_LDouble)((int32_t)ldl((void *)A0));
|
1103 | 927f621e | bellard | } |
1104 | 927f621e | bellard | |
1105 | 927f621e | bellard | void OPPROTO op_fildll_FT0_A0(void) |
1106 | 927f621e | bellard | { |
1107 | 927f621e | bellard | FT0 = (CPU86_LDouble)((int64_t)ldq((void *)A0));
|
1108 | 927f621e | bellard | } |
1109 | 927f621e | bellard | |
1110 | 927f621e | bellard | /* fp load ST0 */
|
1111 | 927f621e | bellard | |
1112 | 927f621e | bellard | void OPPROTO op_flds_ST0_A0(void) |
1113 | 927f621e | bellard | { |
1114 | 927f621e | bellard | ST0 = ldfl((void *)A0);
|
1115 | 927f621e | bellard | } |
1116 | 927f621e | bellard | |
1117 | 927f621e | bellard | void OPPROTO op_fldl_ST0_A0(void) |
1118 | 927f621e | bellard | { |
1119 | 927f621e | bellard | ST0 = ldfq((void *)A0);
|
1120 | 927f621e | bellard | } |
1121 | 927f621e | bellard | |
1122 | 927f621e | bellard | void OPPROTO op_fild_ST0_A0(void) |
1123 | 927f621e | bellard | { |
1124 | 927f621e | bellard | ST0 = (CPU86_LDouble)ldsw((void *)A0);
|
1125 | 927f621e | bellard | } |
1126 | 927f621e | bellard | |
1127 | 927f621e | bellard | void OPPROTO op_fildl_ST0_A0(void) |
1128 | 927f621e | bellard | { |
1129 | 927f621e | bellard | ST0 = (CPU86_LDouble)((int32_t)ldl((void *)A0));
|
1130 | 927f621e | bellard | } |
1131 | 927f621e | bellard | |
1132 | 927f621e | bellard | void OPPROTO op_fildll_ST0_A0(void) |
1133 | 927f621e | bellard | { |
1134 | 927f621e | bellard | ST0 = (CPU86_LDouble)((int64_t)ldq((void *)A0));
|
1135 | 927f621e | bellard | } |
1136 | 927f621e | bellard | |
1137 | 927f621e | bellard | /* fp store */
|
1138 | 927f621e | bellard | |
1139 | 927f621e | bellard | void OPPROTO op_fsts_ST0_A0(void) |
1140 | 927f621e | bellard | { |
1141 | 927f621e | bellard | stfl((void *)A0, (float)ST0); |
1142 | 927f621e | bellard | } |
1143 | 927f621e | bellard | |
1144 | 927f621e | bellard | void OPPROTO op_fstl_ST0_A0(void) |
1145 | 927f621e | bellard | { |
1146 | 927f621e | bellard | ST0 = ldfq((void *)A0);
|
1147 | 927f621e | bellard | } |
1148 | 927f621e | bellard | |
1149 | 927f621e | bellard | void OPPROTO op_fist_ST0_A0(void) |
1150 | 927f621e | bellard | { |
1151 | 927f621e | bellard | int val;
|
1152 | 927f621e | bellard | val = lrint(ST0); |
1153 | 927f621e | bellard | stw((void *)A0, val);
|
1154 | 927f621e | bellard | } |
1155 | 927f621e | bellard | |
1156 | 927f621e | bellard | void OPPROTO op_fistl_ST0_A0(void) |
1157 | 927f621e | bellard | { |
1158 | 927f621e | bellard | int val;
|
1159 | 927f621e | bellard | val = lrint(ST0); |
1160 | 927f621e | bellard | stl((void *)A0, val);
|
1161 | 927f621e | bellard | } |
1162 | 927f621e | bellard | |
1163 | 927f621e | bellard | void OPPROTO op_fistll_ST0_A0(void) |
1164 | 927f621e | bellard | { |
1165 | 927f621e | bellard | int64_t val; |
1166 | 927f621e | bellard | val = llrint(ST0); |
1167 | 927f621e | bellard | stq((void *)A0, val);
|
1168 | 927f621e | bellard | } |
1169 | 927f621e | bellard | |
1170 | 927f621e | bellard | /* FPU move */
|
1171 | 927f621e | bellard | |
1172 | 927f621e | bellard | static inline void fpush(void) |
1173 | 927f621e | bellard | { |
1174 | 927f621e | bellard | env->fpstt = (env->fpstt - 1) & 7; |
1175 | 927f621e | bellard | env->fptags[env->fpstt] = 0; /* validate stack entry */ |
1176 | 927f621e | bellard | } |
1177 | 927f621e | bellard | |
1178 | 927f621e | bellard | static inline void fpop(void) |
1179 | 927f621e | bellard | { |
1180 | 927f621e | bellard | env->fptags[env->fpstt] = 1; /* invvalidate stack entry */ |
1181 | 927f621e | bellard | env->fpstt = (env->fpstt + 1) & 7; |
1182 | 927f621e | bellard | } |
1183 | 927f621e | bellard | |
1184 | 927f621e | bellard | void OPPROTO op_fpush(void) |
1185 | 927f621e | bellard | { |
1186 | 927f621e | bellard | fpush(); |
1187 | 927f621e | bellard | } |
1188 | 927f621e | bellard | |
1189 | 927f621e | bellard | void OPPROTO op_fpop(void) |
1190 | 927f621e | bellard | { |
1191 | 927f621e | bellard | fpop(); |
1192 | 927f621e | bellard | } |
1193 | 927f621e | bellard | |
1194 | 927f621e | bellard | void OPPROTO op_fdecstp(void) |
1195 | 927f621e | bellard | { |
1196 | 927f621e | bellard | env->fpstt = (env->fpstt - 1) & 7; |
1197 | 927f621e | bellard | env->fpus &= (~0x4700);
|
1198 | 927f621e | bellard | } |
1199 | 927f621e | bellard | |
1200 | 927f621e | bellard | void OPPROTO op_fincstp(void) |
1201 | 927f621e | bellard | { |
1202 | 927f621e | bellard | env->fpstt = (env->fpstt + 1) & 7; |
1203 | 927f621e | bellard | env->fpus &= (~0x4700);
|
1204 | 927f621e | bellard | } |
1205 | 927f621e | bellard | |
1206 | 927f621e | bellard | void OPPROTO op_fmov_ST0_FT0(void) |
1207 | 927f621e | bellard | { |
1208 | 927f621e | bellard | ST0 = FT0; |
1209 | 927f621e | bellard | } |
1210 | 927f621e | bellard | |
1211 | 927f621e | bellard | void OPPROTO op_fmov_FT0_STN(void) |
1212 | 927f621e | bellard | { |
1213 | 927f621e | bellard | FT0 = ST(PARAM1); |
1214 | 927f621e | bellard | } |
1215 | 927f621e | bellard | |
1216 | 927f621e | bellard | void OPPROTO op_fmov_ST0_STN(void) |
1217 | 927f621e | bellard | { |
1218 | 927f621e | bellard | ST0 = ST(PARAM1); |
1219 | 927f621e | bellard | } |
1220 | 927f621e | bellard | |
1221 | 927f621e | bellard | void OPPROTO op_fmov_STN_ST0(void) |
1222 | 927f621e | bellard | { |
1223 | 927f621e | bellard | ST(PARAM1) = ST0; |
1224 | 927f621e | bellard | } |
1225 | 927f621e | bellard | |
1226 | 927f621e | bellard | void OPPROTO op_fxchg_ST0_STN(void) |
1227 | 927f621e | bellard | { |
1228 | 927f621e | bellard | CPU86_LDouble tmp; |
1229 | 927f621e | bellard | tmp = ST(PARAM1); |
1230 | 927f621e | bellard | ST(PARAM1) = ST0; |
1231 | 927f621e | bellard | ST0 = tmp; |
1232 | 927f621e | bellard | } |
1233 | 927f621e | bellard | |
1234 | 927f621e | bellard | /* FPU operations */
|
1235 | 927f621e | bellard | |
1236 | 927f621e | bellard | /* XXX: handle nans */
|
1237 | 927f621e | bellard | void OPPROTO op_fcom_ST0_FT0(void) |
1238 | 927f621e | bellard | { |
1239 | 927f621e | bellard | env->fpus &= (~0x4500); /* (C3,C2,C0) <-- 000 */ |
1240 | 927f621e | bellard | if (ST0 < FT0)
|
1241 | 927f621e | bellard | env->fpus |= 0x100; /* (C3,C2,C0) <-- 001 */ |
1242 | 927f621e | bellard | else if (ST0 == FT0) |
1243 | 927f621e | bellard | env->fpus |= 0x4000; /* (C3,C2,C0) <-- 100 */ |
1244 | 927f621e | bellard | FORCE_RET(); |
1245 | 927f621e | bellard | } |
1246 | 927f621e | bellard | |
1247 | 927f621e | bellard | void OPPROTO op_fadd_ST0_FT0(void) |
1248 | 927f621e | bellard | { |
1249 | 927f621e | bellard | ST0 += FT0; |
1250 | 927f621e | bellard | } |
1251 | 927f621e | bellard | |
1252 | 927f621e | bellard | void OPPROTO op_fmul_ST0_FT0(void) |
1253 | 927f621e | bellard | { |
1254 | 927f621e | bellard | ST0 *= FT0; |
1255 | 927f621e | bellard | } |
1256 | 927f621e | bellard | |
1257 | 927f621e | bellard | void OPPROTO op_fsub_ST0_FT0(void) |
1258 | 927f621e | bellard | { |
1259 | 927f621e | bellard | ST0 -= FT0; |
1260 | 927f621e | bellard | } |
1261 | 927f621e | bellard | |
1262 | 927f621e | bellard | void OPPROTO op_fsubr_ST0_FT0(void) |
1263 | 927f621e | bellard | { |
1264 | 927f621e | bellard | ST0 = FT0 - ST0; |
1265 | 927f621e | bellard | } |
1266 | 927f621e | bellard | |
1267 | 927f621e | bellard | void OPPROTO op_fdiv_ST0_FT0(void) |
1268 | 927f621e | bellard | { |
1269 | 927f621e | bellard | ST0 /= FT0; |
1270 | 927f621e | bellard | } |
1271 | 927f621e | bellard | |
1272 | 927f621e | bellard | void OPPROTO op_fdivr_ST0_FT0(void) |
1273 | 927f621e | bellard | { |
1274 | 927f621e | bellard | ST0 = FT0 / ST0; |
1275 | 927f621e | bellard | } |
1276 | 927f621e | bellard | |
1277 | 927f621e | bellard | /* fp operations between STN and ST0 */
|
1278 | 927f621e | bellard | |
1279 | 927f621e | bellard | void OPPROTO op_fadd_STN_ST0(void) |
1280 | 927f621e | bellard | { |
1281 | 927f621e | bellard | ST(PARAM1) += ST0; |
1282 | 927f621e | bellard | } |
1283 | 927f621e | bellard | |
1284 | 927f621e | bellard | void OPPROTO op_fmul_STN_ST0(void) |
1285 | 927f621e | bellard | { |
1286 | 927f621e | bellard | ST(PARAM1) *= ST0; |
1287 | 927f621e | bellard | } |
1288 | 927f621e | bellard | |
1289 | 927f621e | bellard | void OPPROTO op_fsub_STN_ST0(void) |
1290 | 927f621e | bellard | { |
1291 | 927f621e | bellard | ST(PARAM1) -= ST0; |
1292 | 927f621e | bellard | } |
1293 | 927f621e | bellard | |
1294 | 927f621e | bellard | void OPPROTO op_fsubr_STN_ST0(void) |
1295 | 927f621e | bellard | { |
1296 | 927f621e | bellard | CPU86_LDouble *p; |
1297 | 927f621e | bellard | p = &ST(PARAM1); |
1298 | 927f621e | bellard | *p = ST0 - *p; |
1299 | 927f621e | bellard | } |
1300 | 927f621e | bellard | |
1301 | 927f621e | bellard | void OPPROTO op_fdiv_STN_ST0(void) |
1302 | 927f621e | bellard | { |
1303 | 927f621e | bellard | ST(PARAM1) /= ST0; |
1304 | 927f621e | bellard | } |
1305 | 927f621e | bellard | |
1306 | 927f621e | bellard | void OPPROTO op_fdivr_STN_ST0(void) |
1307 | 927f621e | bellard | { |
1308 | 927f621e | bellard | CPU86_LDouble *p; |
1309 | 927f621e | bellard | p = &ST(PARAM1); |
1310 | 927f621e | bellard | *p = ST0 / *p; |
1311 | 927f621e | bellard | } |
1312 | 927f621e | bellard | |
1313 | 927f621e | bellard | /* misc FPU operations */
|
1314 | 927f621e | bellard | void OPPROTO op_fchs_ST0(void) |
1315 | 927f621e | bellard | { |
1316 | 927f621e | bellard | ST0 = -ST0; |
1317 | 927f621e | bellard | } |
1318 | 927f621e | bellard | |
1319 | 927f621e | bellard | void OPPROTO op_fabs_ST0(void) |
1320 | 927f621e | bellard | { |
1321 | 927f621e | bellard | ST0 = fabs(ST0); |
1322 | 927f621e | bellard | } |
1323 | 927f621e | bellard | |
1324 | 927f621e | bellard | void OPPROTO op_fxam_ST0(void) |
1325 | 927f621e | bellard | { |
1326 | 927f621e | bellard | CPU86_LDoubleU temp; |
1327 | 927f621e | bellard | int expdif;
|
1328 | 927f621e | bellard | |
1329 | 927f621e | bellard | temp.d = ST0; |
1330 | 927f621e | bellard | |
1331 | 927f621e | bellard | env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */ |
1332 | 927f621e | bellard | if (SIGND(temp))
|
1333 | 927f621e | bellard | env->fpus |= 0x200; /* C1 <-- 1 */ |
1334 | 927f621e | bellard | |
1335 | 927f621e | bellard | expdif = EXPD(temp); |
1336 | 927f621e | bellard | if (expdif == MAXEXPD) {
|
1337 | 927f621e | bellard | if (MANTD(temp) == 0) |
1338 | 927f621e | bellard | env->fpus |= 0x500 /*Infinity*/; |
1339 | 927f621e | bellard | else
|
1340 | 927f621e | bellard | env->fpus |= 0x100 /*NaN*/; |
1341 | 927f621e | bellard | } else if (expdif == 0) { |
1342 | 927f621e | bellard | if (MANTD(temp) == 0) |
1343 | 927f621e | bellard | env->fpus |= 0x4000 /*Zero*/; |
1344 | 927f621e | bellard | else
|
1345 | 927f621e | bellard | env->fpus |= 0x4400 /*Denormal*/; |
1346 | 927f621e | bellard | } else {
|
1347 | 927f621e | bellard | env->fpus |= 0x400;
|
1348 | 927f621e | bellard | } |
1349 | 927f621e | bellard | FORCE_RET(); |
1350 | 927f621e | bellard | } |
1351 | 927f621e | bellard | |
1352 | 927f621e | bellard | void OPPROTO op_fld1_ST0(void) |
1353 | 927f621e | bellard | { |
1354 | 927f621e | bellard | ST0 = *(CPU86_LDouble *)&f15rk[1];
|
1355 | 927f621e | bellard | } |
1356 | 927f621e | bellard | |
1357 | 927f621e | bellard | void OPPROTO op_fld2t_ST0(void) |
1358 | 927f621e | bellard | { |
1359 | 927f621e | bellard | ST0 = *(CPU86_LDouble *)&f15rk[6];
|
1360 | 927f621e | bellard | } |
1361 | 927f621e | bellard | |
1362 | 927f621e | bellard | void OPPROTO op_fld2e_ST0(void) |
1363 | 927f621e | bellard | { |
1364 | 927f621e | bellard | ST0 = *(CPU86_LDouble *)&f15rk[5];
|
1365 | 927f621e | bellard | } |
1366 | 927f621e | bellard | |
1367 | 927f621e | bellard | void OPPROTO op_fldpi_ST0(void) |
1368 | 927f621e | bellard | { |
1369 | 927f621e | bellard | ST0 = *(CPU86_LDouble *)&f15rk[2];
|
1370 | 927f621e | bellard | } |
1371 | 927f621e | bellard | |
1372 | 927f621e | bellard | void OPPROTO op_fldlg2_ST0(void) |
1373 | 927f621e | bellard | { |
1374 | 927f621e | bellard | ST0 = *(CPU86_LDouble *)&f15rk[3];
|
1375 | 927f621e | bellard | } |
1376 | 927f621e | bellard | |
1377 | 927f621e | bellard | void OPPROTO op_fldln2_ST0(void) |
1378 | 927f621e | bellard | { |
1379 | 927f621e | bellard | ST0 = *(CPU86_LDouble *)&f15rk[4];
|
1380 | 927f621e | bellard | } |
1381 | 927f621e | bellard | |
1382 | 927f621e | bellard | void OPPROTO op_fldz_ST0(void) |
1383 | 927f621e | bellard | { |
1384 | 927f621e | bellard | ST0 = *(CPU86_LDouble *)&f15rk[0];
|
1385 | 927f621e | bellard | } |
1386 | 927f621e | bellard | |
1387 | 927f621e | bellard | void OPPROTO op_fldz_FT0(void) |
1388 | 927f621e | bellard | { |
1389 | 927f621e | bellard | ST0 = *(CPU86_LDouble *)&f15rk[0];
|
1390 | 927f621e | bellard | } |
1391 | 927f621e | bellard | |
1392 | 927f621e | bellard | void helper_f2xm1(void) |
1393 | 927f621e | bellard | { |
1394 | 927f621e | bellard | ST0 = pow(2.0,ST0) - 1.0; |
1395 | 927f621e | bellard | } |
1396 | 927f621e | bellard | |
1397 | 927f621e | bellard | void helper_fyl2x(void) |
1398 | 927f621e | bellard | { |
1399 | 927f621e | bellard | CPU86_LDouble fptemp; |
1400 | 927f621e | bellard | |
1401 | 927f621e | bellard | fptemp = ST0; |
1402 | 927f621e | bellard | if (fptemp>0.0){ |
1403 | 927f621e | bellard | fptemp = log(fptemp)/log(2.0); /* log2(ST) */ |
1404 | 927f621e | bellard | ST1 *= fptemp; |
1405 | 927f621e | bellard | fpop(); |
1406 | 927f621e | bellard | } else {
|
1407 | 927f621e | bellard | env->fpus &= (~0x4700);
|
1408 | 927f621e | bellard | env->fpus |= 0x400;
|
1409 | 927f621e | bellard | } |
1410 | 927f621e | bellard | } |
1411 | 927f621e | bellard | |
1412 | 927f621e | bellard | void helper_fptan(void) |
1413 | 927f621e | bellard | { |
1414 | 927f621e | bellard | CPU86_LDouble fptemp; |
1415 | 927f621e | bellard | |
1416 | 927f621e | bellard | fptemp = ST0; |
1417 | 927f621e | bellard | if((fptemp > MAXTAN)||(fptemp < -MAXTAN)) {
|
1418 | 927f621e | bellard | env->fpus |= 0x400;
|
1419 | 927f621e | bellard | } else {
|
1420 | 927f621e | bellard | ST0 = tan(fptemp); |
1421 | 927f621e | bellard | fpush(); |
1422 | 927f621e | bellard | ST0 = 1.0; |
1423 | 927f621e | bellard | env->fpus &= (~0x400); /* C2 <-- 0 */ |
1424 | 927f621e | bellard | /* the above code is for |arg| < 2**52 only */
|
1425 | 927f621e | bellard | } |
1426 | 927f621e | bellard | } |
1427 | 927f621e | bellard | |
1428 | 927f621e | bellard | void helper_fpatan(void) |
1429 | 927f621e | bellard | { |
1430 | 927f621e | bellard | CPU86_LDouble fptemp, fpsrcop; |
1431 | 927f621e | bellard | |
1432 | 927f621e | bellard | fpsrcop = ST1; |
1433 | 927f621e | bellard | fptemp = ST0; |
1434 | 927f621e | bellard | ST1 = atan2(fpsrcop,fptemp); |
1435 | 927f621e | bellard | fpop(); |
1436 | 927f621e | bellard | } |
1437 | 927f621e | bellard | |
1438 | 927f621e | bellard | void helper_fxtract(void) |
1439 | 927f621e | bellard | { |
1440 | 927f621e | bellard | CPU86_LDoubleU temp; |
1441 | 927f621e | bellard | unsigned int expdif; |
1442 | 927f621e | bellard | |
1443 | 927f621e | bellard | temp.d = ST0; |
1444 | 927f621e | bellard | expdif = EXPD(temp) - EXPBIAS; |
1445 | 927f621e | bellard | /*DP exponent bias*/
|
1446 | 927f621e | bellard | ST0 = expdif; |
1447 | 927f621e | bellard | fpush(); |
1448 | 927f621e | bellard | BIASEXPONENT(temp); |
1449 | 927f621e | bellard | ST0 = temp.d; |
1450 | 927f621e | bellard | } |
1451 | 927f621e | bellard | |
1452 | 927f621e | bellard | void helper_fprem1(void) |
1453 | 927f621e | bellard | { |
1454 | 927f621e | bellard | CPU86_LDouble dblq, fpsrcop, fptemp; |
1455 | 927f621e | bellard | CPU86_LDoubleU fpsrcop1, fptemp1; |
1456 | 927f621e | bellard | int expdif;
|
1457 | 927f621e | bellard | int q;
|
1458 | 927f621e | bellard | |
1459 | 927f621e | bellard | fpsrcop = ST0; |
1460 | 927f621e | bellard | fptemp = ST1; |
1461 | 927f621e | bellard | fpsrcop1.d = fpsrcop; |
1462 | 927f621e | bellard | fptemp1.d = fptemp; |
1463 | 927f621e | bellard | expdif = EXPD(fpsrcop1) - EXPD(fptemp1); |
1464 | 927f621e | bellard | if (expdif < 53) { |
1465 | 927f621e | bellard | dblq = fpsrcop / fptemp; |
1466 | 927f621e | bellard | dblq = (dblq < 0.0)? ceil(dblq): floor(dblq); |
1467 | 927f621e | bellard | ST0 = fpsrcop - fptemp*dblq; |
1468 | 927f621e | bellard | q = (int)dblq; /* cutting off top bits is assumed here */ |
1469 | 927f621e | bellard | env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */ |
1470 | 927f621e | bellard | /* (C0,C1,C3) <-- (q2,q1,q0) */
|
1471 | 927f621e | bellard | env->fpus |= (q&0x4) << 6; /* (C0) <-- q2 */ |
1472 | 927f621e | bellard | env->fpus |= (q&0x2) << 8; /* (C1) <-- q1 */ |
1473 | 927f621e | bellard | env->fpus |= (q&0x1) << 14; /* (C3) <-- q0 */ |
1474 | 927f621e | bellard | } else {
|
1475 | 927f621e | bellard | env->fpus |= 0x400; /* C2 <-- 1 */ |
1476 | 927f621e | bellard | fptemp = pow(2.0, expdif-50); |
1477 | 927f621e | bellard | fpsrcop = (ST0 / ST1) / fptemp; |
1478 | 927f621e | bellard | /* fpsrcop = integer obtained by rounding to the nearest */
|
1479 | 927f621e | bellard | fpsrcop = (fpsrcop-floor(fpsrcop) < ceil(fpsrcop)-fpsrcop)? |
1480 | 927f621e | bellard | floor(fpsrcop): ceil(fpsrcop); |
1481 | 927f621e | bellard | ST0 -= (ST1 * fpsrcop * fptemp); |
1482 | 927f621e | bellard | } |
1483 | 927f621e | bellard | } |
1484 | 927f621e | bellard | |
1485 | 927f621e | bellard | void helper_fprem(void) |
1486 | 927f621e | bellard | { |
1487 | 927f621e | bellard | CPU86_LDouble dblq, fpsrcop, fptemp; |
1488 | 927f621e | bellard | CPU86_LDoubleU fpsrcop1, fptemp1; |
1489 | 927f621e | bellard | int expdif;
|
1490 | 927f621e | bellard | int q;
|
1491 | 927f621e | bellard | |
1492 | 927f621e | bellard | fpsrcop = ST0; |
1493 | 927f621e | bellard | fptemp = ST1; |
1494 | 927f621e | bellard | fpsrcop1.d = fpsrcop; |
1495 | 927f621e | bellard | fptemp1.d = fptemp; |
1496 | 927f621e | bellard | expdif = EXPD(fpsrcop1) - EXPD(fptemp1); |
1497 | 927f621e | bellard | if ( expdif < 53 ) { |
1498 | 927f621e | bellard | dblq = fpsrcop / fptemp; |
1499 | 927f621e | bellard | dblq = (dblq < 0.0)? ceil(dblq): floor(dblq); |
1500 | 927f621e | bellard | ST0 = fpsrcop - fptemp*dblq; |
1501 | 927f621e | bellard | q = (int)dblq; /* cutting off top bits is assumed here */ |
1502 | 927f621e | bellard | env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */ |
1503 | 927f621e | bellard | /* (C0,C1,C3) <-- (q2,q1,q0) */
|
1504 | 927f621e | bellard | env->fpus |= (q&0x4) << 6; /* (C0) <-- q2 */ |
1505 | 927f621e | bellard | env->fpus |= (q&0x2) << 8; /* (C1) <-- q1 */ |
1506 | 927f621e | bellard | env->fpus |= (q&0x1) << 14; /* (C3) <-- q0 */ |
1507 | 927f621e | bellard | } else {
|
1508 | 927f621e | bellard | env->fpus |= 0x400; /* C2 <-- 1 */ |
1509 | 927f621e | bellard | fptemp = pow(2.0, expdif-50); |
1510 | 927f621e | bellard | fpsrcop = (ST0 / ST1) / fptemp; |
1511 | 927f621e | bellard | /* fpsrcop = integer obtained by chopping */
|
1512 | 927f621e | bellard | fpsrcop = (fpsrcop < 0.0)? |
1513 | 927f621e | bellard | -(floor(fabs(fpsrcop))): floor(fpsrcop); |
1514 | 927f621e | bellard | ST0 -= (ST1 * fpsrcop * fptemp); |
1515 | 927f621e | bellard | } |
1516 | 927f621e | bellard | } |
1517 | 927f621e | bellard | |
1518 | 927f621e | bellard | void helper_fyl2xp1(void) |
1519 | 927f621e | bellard | { |
1520 | 927f621e | bellard | CPU86_LDouble fptemp; |
1521 | 927f621e | bellard | |
1522 | 927f621e | bellard | fptemp = ST0; |
1523 | 927f621e | bellard | if ((fptemp+1.0)>0.0) { |
1524 | 927f621e | bellard | fptemp = log(fptemp+1.0) / log(2.0); /* log2(ST+1.0) */ |
1525 | 927f621e | bellard | ST1 *= fptemp; |
1526 | 927f621e | bellard | fpop(); |
1527 | 927f621e | bellard | } else {
|
1528 | 927f621e | bellard | env->fpus &= (~0x4700);
|
1529 | 927f621e | bellard | env->fpus |= 0x400;
|
1530 | 927f621e | bellard | } |
1531 | 927f621e | bellard | } |
1532 | 927f621e | bellard | |
1533 | 927f621e | bellard | void helper_fsqrt(void) |
1534 | 927f621e | bellard | { |
1535 | 927f621e | bellard | CPU86_LDouble fptemp; |
1536 | 927f621e | bellard | |
1537 | 927f621e | bellard | fptemp = ST0; |
1538 | 927f621e | bellard | if (fptemp<0.0) { |
1539 | 927f621e | bellard | env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */ |
1540 | 927f621e | bellard | env->fpus |= 0x400;
|
1541 | 927f621e | bellard | } |
1542 | 927f621e | bellard | ST0 = sqrt(fptemp); |
1543 | 927f621e | bellard | } |
1544 | 927f621e | bellard | |
1545 | 927f621e | bellard | void helper_fsincos(void) |
1546 | 927f621e | bellard | { |
1547 | 927f621e | bellard | CPU86_LDouble fptemp; |
1548 | 927f621e | bellard | |
1549 | 927f621e | bellard | fptemp = ST0; |
1550 | 927f621e | bellard | if ((fptemp > MAXTAN)||(fptemp < -MAXTAN)) {
|
1551 | 927f621e | bellard | env->fpus |= 0x400;
|
1552 | 927f621e | bellard | } else {
|
1553 | 927f621e | bellard | ST0 = sin(fptemp); |
1554 | 927f621e | bellard | fpush(); |
1555 | 927f621e | bellard | ST0 = cos(fptemp); |
1556 | 927f621e | bellard | env->fpus &= (~0x400); /* C2 <-- 0 */ |
1557 | 927f621e | bellard | /* the above code is for |arg| < 2**63 only */
|
1558 | 927f621e | bellard | } |
1559 | 927f621e | bellard | } |
1560 | 927f621e | bellard | |
1561 | 927f621e | bellard | void helper_frndint(void) |
1562 | 927f621e | bellard | { |
1563 | 927f621e | bellard | ST0 = rint(ST0); |
1564 | 927f621e | bellard | } |
1565 | 927f621e | bellard | |
1566 | 927f621e | bellard | void helper_fscale(void) |
1567 | 927f621e | bellard | { |
1568 | 927f621e | bellard | CPU86_LDouble fpsrcop, fptemp; |
1569 | 927f621e | bellard | |
1570 | 927f621e | bellard | fpsrcop = 2.0; |
1571 | 927f621e | bellard | fptemp = pow(fpsrcop,ST1); |
1572 | 927f621e | bellard | ST0 *= fptemp; |
1573 | 927f621e | bellard | } |
1574 | 927f621e | bellard | |
1575 | 927f621e | bellard | void helper_fsin(void) |
1576 | 927f621e | bellard | { |
1577 | 927f621e | bellard | CPU86_LDouble fptemp; |
1578 | 927f621e | bellard | |
1579 | 927f621e | bellard | fptemp = ST0; |
1580 | 927f621e | bellard | if ((fptemp > MAXTAN)||(fptemp < -MAXTAN)) {
|
1581 | 927f621e | bellard | env->fpus |= 0x400;
|
1582 | 927f621e | bellard | } else {
|
1583 | 927f621e | bellard | ST0 = sin(fptemp); |
1584 | 927f621e | bellard | env->fpus &= (~0x400); /* C2 <-- 0 */ |
1585 | 927f621e | bellard | /* the above code is for |arg| < 2**53 only */
|
1586 | 927f621e | bellard | } |
1587 | 927f621e | bellard | } |
1588 | 927f621e | bellard | |
1589 | 927f621e | bellard | void helper_fcos(void) |
1590 | 927f621e | bellard | { |
1591 | 927f621e | bellard | CPU86_LDouble fptemp; |
1592 | 927f621e | bellard | |
1593 | 927f621e | bellard | fptemp = ST0; |
1594 | 927f621e | bellard | if((fptemp > MAXTAN)||(fptemp < -MAXTAN)) {
|
1595 | 927f621e | bellard | env->fpus |= 0x400;
|
1596 | 927f621e | bellard | } else {
|
1597 | 927f621e | bellard | ST0 = cos(fptemp); |
1598 | 927f621e | bellard | env->fpus &= (~0x400); /* C2 <-- 0 */ |
1599 | 927f621e | bellard | /* the above code is for |arg5 < 2**63 only */
|
1600 | 927f621e | bellard | } |
1601 | 927f621e | bellard | } |
1602 | 927f621e | bellard | |
1603 | 927f621e | bellard | /* associated heplers to reduce generated code length and to simplify
|
1604 | 927f621e | bellard | relocation (FP constants are usually stored in .rodata section) */
|
1605 | 927f621e | bellard | |
1606 | 927f621e | bellard | void OPPROTO op_f2xm1(void) |
1607 | 927f621e | bellard | { |
1608 | 927f621e | bellard | helper_f2xm1(); |
1609 | 927f621e | bellard | } |
1610 | 927f621e | bellard | |
1611 | 927f621e | bellard | void OPPROTO op_fyl2x(void) |
1612 | 927f621e | bellard | { |
1613 | 927f621e | bellard | helper_fyl2x(); |
1614 | 927f621e | bellard | } |
1615 | 927f621e | bellard | |
1616 | 927f621e | bellard | void OPPROTO op_fptan(void) |
1617 | 927f621e | bellard | { |
1618 | 927f621e | bellard | helper_fptan(); |
1619 | 927f621e | bellard | } |
1620 | 927f621e | bellard | |
1621 | 927f621e | bellard | void OPPROTO op_fpatan(void) |
1622 | 927f621e | bellard | { |
1623 | 927f621e | bellard | helper_fpatan(); |
1624 | 927f621e | bellard | } |
1625 | 927f621e | bellard | |
1626 | 927f621e | bellard | void OPPROTO op_fxtract(void) |
1627 | 927f621e | bellard | { |
1628 | 927f621e | bellard | helper_fxtract(); |
1629 | 927f621e | bellard | } |
1630 | 927f621e | bellard | |
1631 | 927f621e | bellard | void OPPROTO op_fprem1(void) |
1632 | 927f621e | bellard | { |
1633 | 927f621e | bellard | helper_fprem1(); |
1634 | 927f621e | bellard | } |
1635 | 927f621e | bellard | |
1636 | 927f621e | bellard | |
1637 | 927f621e | bellard | void OPPROTO op_fprem(void) |
1638 | 927f621e | bellard | { |
1639 | 927f621e | bellard | helper_fprem(); |
1640 | 927f621e | bellard | } |
1641 | 927f621e | bellard | |
1642 | 927f621e | bellard | void OPPROTO op_fyl2xp1(void) |
1643 | 927f621e | bellard | { |
1644 | 927f621e | bellard | helper_fyl2xp1(); |
1645 | 927f621e | bellard | } |
1646 | 927f621e | bellard | |
1647 | 927f621e | bellard | void OPPROTO op_fsqrt(void) |
1648 | 927f621e | bellard | { |
1649 | 927f621e | bellard | helper_fsqrt(); |
1650 | 927f621e | bellard | } |
1651 | 927f621e | bellard | |
1652 | 927f621e | bellard | void OPPROTO op_fsincos(void) |
1653 | 927f621e | bellard | { |
1654 | 927f621e | bellard | helper_fsincos(); |
1655 | 927f621e | bellard | } |
1656 | 927f621e | bellard | |
1657 | 927f621e | bellard | void OPPROTO op_frndint(void) |
1658 | 927f621e | bellard | { |
1659 | 927f621e | bellard | helper_frndint(); |
1660 | 927f621e | bellard | } |
1661 | 927f621e | bellard | |
1662 | 927f621e | bellard | void OPPROTO op_fscale(void) |
1663 | 927f621e | bellard | { |
1664 | 927f621e | bellard | helper_fscale(); |
1665 | 927f621e | bellard | } |
1666 | 927f621e | bellard | |
1667 | 927f621e | bellard | void OPPROTO op_fsin(void) |
1668 | 927f621e | bellard | { |
1669 | 927f621e | bellard | helper_fsin(); |
1670 | 927f621e | bellard | } |
1671 | 927f621e | bellard | |
1672 | 927f621e | bellard | void OPPROTO op_fcos(void) |
1673 | 927f621e | bellard | { |
1674 | 927f621e | bellard | helper_fcos(); |
1675 | 927f621e | bellard | } |
1676 | 927f621e | bellard | |
1677 | 4b74fe1f | bellard | void OPPROTO op_fnstsw_A0(void) |
1678 | 4b74fe1f | bellard | { |
1679 | 4b74fe1f | bellard | int fpus;
|
1680 | 4b74fe1f | bellard | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; |
1681 | 4b74fe1f | bellard | stw((void *)A0, fpus);
|
1682 | 4b74fe1f | bellard | } |
1683 | 4b74fe1f | bellard | |
1684 | 4b74fe1f | bellard | void OPPROTO op_fnstcw_A0(void) |
1685 | 4b74fe1f | bellard | { |
1686 | 4b74fe1f | bellard | stw((void *)A0, env->fpuc);
|
1687 | 4b74fe1f | bellard | } |
1688 | 4b74fe1f | bellard | |
1689 | 4b74fe1f | bellard | void OPPROTO op_fldcw_A0(void) |
1690 | 4b74fe1f | bellard | { |
1691 | 4b74fe1f | bellard | int rnd_type;
|
1692 | 4b74fe1f | bellard | env->fpuc = lduw((void *)A0);
|
1693 | 4b74fe1f | bellard | /* set rounding mode */
|
1694 | 4b74fe1f | bellard | switch(env->fpuc & RC_MASK) {
|
1695 | 4b74fe1f | bellard | default:
|
1696 | 4b74fe1f | bellard | case RC_NEAR:
|
1697 | 4b74fe1f | bellard | rnd_type = FE_TONEAREST; |
1698 | 4b74fe1f | bellard | break;
|
1699 | 4b74fe1f | bellard | case RC_DOWN:
|
1700 | 4b74fe1f | bellard | rnd_type = FE_DOWNWARD; |
1701 | 4b74fe1f | bellard | break;
|
1702 | 4b74fe1f | bellard | case RC_UP:
|
1703 | 4b74fe1f | bellard | rnd_type = FE_UPWARD; |
1704 | 4b74fe1f | bellard | break;
|
1705 | 4b74fe1f | bellard | case RC_CHOP:
|
1706 | 4b74fe1f | bellard | rnd_type = FE_TOWARDZERO; |
1707 | 4b74fe1f | bellard | break;
|
1708 | 4b74fe1f | bellard | } |
1709 | 4b74fe1f | bellard | fesetround(rnd_type); |
1710 | 4b74fe1f | bellard | } |
1711 | 4b74fe1f | bellard | |
1712 | ba1c6e37 | bellard | /* main execution loop */
|
1713 | ba1c6e37 | bellard | uint8_t code_gen_buffer[65536];
|
1714 | ba1c6e37 | bellard | |
1715 | 586314f2 | bellard | #ifdef DEBUG_EXEC
|
1716 | 586314f2 | bellard | static const char *cc_op_str[] = { |
1717 | 586314f2 | bellard | "DYNAMIC",
|
1718 | 586314f2 | bellard | "EFLAGS",
|
1719 | 586314f2 | bellard | "MUL",
|
1720 | 586314f2 | bellard | "ADDB",
|
1721 | 586314f2 | bellard | "ADDW",
|
1722 | 586314f2 | bellard | "ADDL",
|
1723 | 4b74fe1f | bellard | "ADCB",
|
1724 | 4b74fe1f | bellard | "ADCW",
|
1725 | 4b74fe1f | bellard | "ADCL",
|
1726 | 586314f2 | bellard | "SUBB",
|
1727 | 586314f2 | bellard | "SUBW",
|
1728 | 586314f2 | bellard | "SUBL",
|
1729 | 4b74fe1f | bellard | "SBBB",
|
1730 | 4b74fe1f | bellard | "SBBW",
|
1731 | 4b74fe1f | bellard | "SBBL",
|
1732 | 586314f2 | bellard | "LOGICB",
|
1733 | 586314f2 | bellard | "LOGICW",
|
1734 | 586314f2 | bellard | "LOGICL",
|
1735 | 586314f2 | bellard | "INCB",
|
1736 | 586314f2 | bellard | "INCW",
|
1737 | 586314f2 | bellard | "INCL",
|
1738 | 586314f2 | bellard | "DECB",
|
1739 | 586314f2 | bellard | "DECW",
|
1740 | 586314f2 | bellard | "DECL",
|
1741 | 586314f2 | bellard | "SHLB",
|
1742 | 586314f2 | bellard | "SHLW",
|
1743 | 586314f2 | bellard | "SHLL",
|
1744 | 4b74fe1f | bellard | "SARB",
|
1745 | 4b74fe1f | bellard | "SARW",
|
1746 | 4b74fe1f | bellard | "SARL",
|
1747 | 586314f2 | bellard | }; |
1748 | 586314f2 | bellard | #endif
|
1749 | 586314f2 | bellard | |
1750 | ba1c6e37 | bellard | int cpu_x86_exec(CPUX86State *env1)
|
1751 | ba1c6e37 | bellard | { |
1752 | ba1c6e37 | bellard | int saved_T0, saved_T1, saved_A0;
|
1753 | ba1c6e37 | bellard | CPUX86State *saved_env; |
1754 | 0ecfa993 | bellard | int code_gen_size, ret;
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1755 | ba1c6e37 | bellard | void (*gen_func)(void); |
1756 | 0ecfa993 | bellard | |
1757 | ba1c6e37 | bellard | /* first we save global registers */
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1758 | ba1c6e37 | bellard | saved_T0 = T0; |
1759 | ba1c6e37 | bellard | saved_T1 = T1; |
1760 | ba1c6e37 | bellard | saved_A0 = A0; |
1761 | ba1c6e37 | bellard | saved_env = env; |
1762 | ba1c6e37 | bellard | env = env1; |
1763 | ba1c6e37 | bellard | |
1764 | 0ecfa993 | bellard | /* prepare setjmp context for exception handling */
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1765 | 0ecfa993 | bellard | if (setjmp(env->jmp_env) == 0) { |
1766 | 0ecfa993 | bellard | for(;;) {
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1767 | 586314f2 | bellard | #ifdef DEBUG_EXEC
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1768 | 586314f2 | bellard | if (loglevel) {
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1769 | 4b74fe1f | bellard | int eflags;
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1770 | 4b74fe1f | bellard | eflags = cc_table[CC_OP].compute_all(); |
1771 | 4b74fe1f | bellard | eflags |= (DF & DIRECTION_FLAG); |
1772 | 586314f2 | bellard | fprintf(logfile, |
1773 | 586314f2 | bellard | "EAX=%08x EBX=%08X ECX=%08x EDX=%08x\n"
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1774 | 4b74fe1f | bellard | "ESI=%08x EDI=%08X EBP=%08x ESP=%08x\n"
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1775 | 4b74fe1f | bellard | "CCS=%08x CCD=%08x CCO=%-8s EFL=%c%c%c%c%c%c%c\n",
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1776 | 586314f2 | bellard | env->regs[R_EAX], env->regs[R_EBX], env->regs[R_ECX], env->regs[R_EDX], |
1777 | 586314f2 | bellard | env->regs[R_ESI], env->regs[R_EDI], env->regs[R_EBP], env->regs[R_ESP], |
1778 | 4b74fe1f | bellard | env->cc_src, env->cc_dst, cc_op_str[env->cc_op], |
1779 | 4b74fe1f | bellard | eflags & DIRECTION_FLAG ? 'D' : '-', |
1780 | 4b74fe1f | bellard | eflags & CC_O ? 'O' : '-', |
1781 | 4b74fe1f | bellard | eflags & CC_S ? 'S' : '-', |
1782 | 4b74fe1f | bellard | eflags & CC_Z ? 'Z' : '-', |
1783 | 4b74fe1f | bellard | eflags & CC_A ? 'A' : '-', |
1784 | 4b74fe1f | bellard | eflags & CC_P ? 'P' : '-', |
1785 | 4b74fe1f | bellard | eflags & CC_C ? 'C' : '-' |
1786 | 4b74fe1f | bellard | ); |
1787 | 586314f2 | bellard | } |
1788 | 586314f2 | bellard | #endif
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1789 | 0ecfa993 | bellard | cpu_x86_gen_code(code_gen_buffer, &code_gen_size, (uint8_t *)env->pc); |
1790 | 0ecfa993 | bellard | /* execute the generated code */
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1791 | 0ecfa993 | bellard | gen_func = (void *)code_gen_buffer;
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1792 | 0ecfa993 | bellard | gen_func(); |
1793 | 0ecfa993 | bellard | } |
1794 | ba1c6e37 | bellard | } |
1795 | 0ecfa993 | bellard | ret = env->exception_index; |
1796 | 0ecfa993 | bellard | |
1797 | ba1c6e37 | bellard | /* restore global registers */
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1798 | ba1c6e37 | bellard | T0 = saved_T0; |
1799 | ba1c6e37 | bellard | T1 = saved_T1; |
1800 | ba1c6e37 | bellard | A0 = saved_A0; |
1801 | ba1c6e37 | bellard | env = saved_env; |
1802 | 0ecfa993 | bellard | return ret;
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1803 | ba1c6e37 | bellard | } |