linux/include/asm-m68k/fpu.h

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#ifndef __M68K_FPU_H
#define __M68K_FPU_H
/*
* MAX floating point unit state size (FSAVE/FRESTORE)
*/
#if defined(CONFIG_M68020) || defined(CONFIG_M68030)
#define FPSTATESIZE (216/sizeof(unsigned char))
#elif defined(CONFIG_M68040)
#define FPSTATESIZE (96/sizeof(unsigned char))
#elif defined(CONFIG_M68KFPU_EMU)
#define FPSTATESIZE (28/sizeof(unsigned char))
#elif defined(CONFIG_M68060)
#define FPSTATESIZE (12/sizeof(unsigned char))
#else
#define FPSTATESIZE error no_cpu_type_configured
#endif
#endif /* __M68K_FPU_H */