forked from 0ad/0ad
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
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#ifndef INCLUDED_IA32_ASM
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#define INCLUDED_IA32_ASM
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void ia32_asm_cpuid_init();
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// try to call the specified CPUID sub-function. returns true on success or
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// false on failure (i.e. CPUID or the specific function not supported).
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// returns eax, ebx, ecx, edx registers in above order.
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extern bool ia32_asm_cpuid(u32 func, u32* regs);
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extern void ia32_asm_atomic_add(intptr_t* location, intptr_t increment);
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extern bool ia32_asm_CAS(uintptr_t* location, uintptr_t expected, uintptr_t new_value);
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extern uint ia32_asm_control87(uint new_val, uint mask);
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extern uint ia32_asm_fpclassify(double d);
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extern uint ia32_asm_fpclassifyf(float f);
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extern float ia32_asm_rintf(float);
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extern double ia32_asm_rint(double);
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extern float ia32_asm_fminf(float, float);
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extern float ia32_asm_fmaxf(float, float);
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extern i32 ia32_asm_i32_from_float(float f);
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extern i32 ia32_asm_i32_from_double(double d);
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extern i64 ia32_asm_i64_from_double(double d);
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extern u64 ia32_asm_rdtsc_edx_eax(void);
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// write the current execution state (e.g. all register values) into
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// (Win32::CONTEXT*)pcontext (defined as void* to avoid dependency).
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extern void ia32_asm_get_current_context(void* pcontext);
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#ifdef __cplusplus
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}
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#endif
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#endif // #ifndef INCLUDED_IA32_ASM
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