Revision 927f621e cpu-i386.h
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CC_OP_NB, |
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}; |
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#ifdef __i386__ |
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#define USE_X86LDOUBLE |
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#endif |
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#ifdef USE_X86LDOUBLE |
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typedef long double CPU86_LDouble; |
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#else |
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typedef double CPU86_LDouble; |
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#endif |
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typedef struct CPU86State {
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/* standard registers */ |
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uint32_t regs[8]; |
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uint8_t *segs_base[6]; |
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uint32_t segs[6]; |
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/* FPU state */ |
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CPU86_LDouble fpregs[8]; |
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uint8_t fptags[8]; /* 0 = valid, 1 = empty */ |
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unsigned int fpstt; /* top of stack index */ |
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unsigned int fpus; |
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unsigned int fpuc; |
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/* emulator internal variables */ |
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uint32_t t0; /* temporary t0 storage */ |
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uint32_t t1; /* temporary t1 storage */ |
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uint32_t a0; /* temporary a0 storage (address) */ |
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CPU86_LDouble ft0; |
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} CPU86State; |
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static inline int ldub(void *ptr) |
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return *(uint32_t *)ptr; |
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} |
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static inline uint64_t ldq(void *ptr) |
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{
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return *(uint64_t *)ptr; |
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} |
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static inline void stb(void *ptr, int v) |
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{
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*(uint32_t *)ptr = v; |
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} |
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static inline void stq(void *ptr, int v) |
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{
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*(uint64_t *)ptr = v; |
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} |
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/* float access */ |
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static inline float ldfl(void *ptr) |
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{
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return *(float *)ptr; |
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} |
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static inline double ldfq(void *ptr) |
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{
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return *(double *)ptr; |
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} |
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static inline void stfl(void *ptr, float v) |
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{
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*(float *)ptr = v; |
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} |
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static inline void stfq(void *ptr, double v) |
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{
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*(double *)ptr = v; |
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} |
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#ifndef IN_OP_I386 |
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void port_outb(int addr, int val); |
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void port_outw(int addr, int val); |
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void port_outl(int addr, int val); |
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int port_inb(int addr); |
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int port_inw(int addr); |
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int port_inl(int addr); |
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#endif |
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#endif /* CPU_I386_H */ |
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