fpswa.h

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#ifndef _ASM_IA64_FPSWA_H
#define _ASM_IA64_FPSWA_H

/*
 * Floating-point Software Assist
 *
 * Copyright (C) 1999 Intel Corporation.
 * Copyright (C) 1999 Asit Mallick <[email protected]>
 * Copyright (C) 1999 Goutham Rao <[email protected]>
 */

typedef struct {
    /* 4 * 128 bits */
    unsigned long fp_lp[4*2];
} fp_state_low_preserved_t;

typedef struct {
    /* 10 * 128 bits */
    unsigned long fp_lv[10 * 2];
} fp_state_low_volatile_t;

typedef struct {
    /* 16 * 128 bits */
    unsigned long fp_hp[16 * 2];
} fp_state_high_preserved_t;

typedef struct {
    /* 96 * 128 bits */
    unsigned long fp_hv[96 * 2];
} fp_state_high_volatile_t;

typedef struct {
    unsigned long           bitmask_low64;
    unsigned long           bitmask_high64;
    fp_state_low_preserved_t    *fp_state_low_preserved;
    fp_state_low_volatile_t     *fp_state_low_volatile;
    fp_state_high_preserved_t   *fp_state_high_preserved;
    fp_state_high_volatile_t    *fp_state_high_volatile;
} fp_state_t;

typedef struct {
    unsigned long status;
    unsigned long err0;
    unsigned long err1;
    unsigned long err2;
} fpswa_ret_t;

typedef fpswa_ret_t (*efi_fpswa_t) (unsigned long trap_type, void *bundle, unsigned long *ipsr,
                    unsigned long *fsr, unsigned long *isr, unsigned long *preds,
                    unsigned long *ifs, fp_state_t *fp_state);

typedef struct {
    unsigned int     revision;
    unsigned int     reserved;
    efi_fpswa_t  fpswa;
} fpswa_interface_t;

extern fpswa_interface_t *fpswa_interface;

#endif /* _ASM_IA64_FPSWA_H */