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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 <asit.k.mallick@intel.com>
* Copyright (C) 1999 Goutham Rao <goutham.rao@intel.com>
*/
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;
/**
* floating point state to be passed to the FP emulation library by
* the trap/fault handler
*/
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;
/**
* function header for the Floating Point software assist
* library. This function is invoked by the Floating point software
* assist trap/fault handler.
*/
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);
/**
* This is the FPSWA library interface as defined by EFI. We need to pass a
* pointer to the interface itself on a call to the assist library
*/
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 */