LCOM1920-T02G10

#ifndef FPU_H

#define FPU_H

/* x87 FPU state, MMX Technolodgy.

 * 108 bytes.*/

struct fpu_regs_s {

        u16_t fp_control;     /* control */

        u16_t fp_unused_1;

        u16_t fp_status;      /* status */

        u16_t fp_unused_2;

        u16_t fp_tag;         /* register tags */

        u16_t fp_unused_3;

        u32_t fp_eip;         /* eip at failed instruction */

        u16_t fp_cs;          /* cs at failed instruction */

        u16_t fp_opcode;      /* opcode of failed instruction */

        u32_t fp_dp;          /* data address */

        u16_t fp_ds;          /* data segment */

        u16_t fp_unused_4;

        u16_t fp_st_regs[8][5]; /* 8 80-bit FP registers */

};

/* x87 FPU, MMX Technolodgy and SSE state.

 * 512 bytes (if you need size use FPU_XFP_SIZE). */

struct xfp_save {

        u16_t fp_control;       /* control */

        u16_t fp_status;        /* status */

        u16_t fp_tag;           /* register tags */

        u16_t fp_opcode;        /* opcode of failed instruction */

        u32_t fp_eip;           /* eip at failed instruction */

        u16_t fp_cs;            /* cs at failed instruction */

        u16_t fp_unused_1;

        u32_t fp_dp;            /* data address */

        u16_t fp_ds;            /* data segment */

        u16_t fp_unused_2;

        u32_t fp_mxcsr;         /* MXCSR */

        u32_t fp_mxcsr_mask;    /* MXCSR_MASK */

        u16_t fp_st_regs[8][8];   /* 128 bytes for ST/MM regs */

        u32_t fp_xreg_word[32]; /* space for 8 128-bit XMM registers */

        u32_t fp_padding[56];

};

/* Size of xfp_save structure. */

#define FPU_XFP_SIZE                512

union fpu_state_u {

        struct fpu_regs_s fpu_regs;

        struct xfp_save xfp_regs;

};

#endif /* #ifndef FPU_H */