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/* $Id: uctx.h,v 1.1.1.1 2004-04-15 03:01:07 phoenix Exp $

 * uctx.h: Sparc64 {set,get}context() register state layouts.

 *

 * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)

 */

#ifndef __SPARC64_UCTX_H

#define __SPARC64_UCTX_H

#define MC_TSTATE       0

#define MC_PC           1

#define MC_NPC          2

#define MC_Y            3

#define MC_G1           4

#define MC_G2           5

#define MC_G3           6

#define MC_G4           7

#define MC_G5           8

#define MC_G6           9

#define MC_G7           10

#define MC_O0           11

#define MC_O1           12

#define MC_O2           13

#define MC_O3           14

#define MC_O4           15

#define MC_O5           16

#define MC_O6           17

#define MC_O7           18

#define MC_NGREG        19

typedef unsigned long mc_greg_t;

typedef mc_greg_t mc_gregset_t[MC_NGREG];

#define MC_MAXFPQ       16

struct mc_fq {

        unsigned long   *mcfq_addr;

        unsigned int    mcfq_insn;

};

struct mc_fpu {

        union {

                unsigned int    sregs[32];

                unsigned long   dregs[32];

                long double     qregs[16];

        } mcfpu_fregs;

        unsigned long   mcfpu_fsr;

        unsigned long   mcfpu_fprs;

        unsigned long   mcfpu_gsr;

        struct mc_fq    *mcfpu_fq;

        unsigned char   mcfpu_qcnt;

        unsigned char   mcfpu_qentsz;

        unsigned char   mcfpu_enab;

};

typedef struct mc_fpu mc_fpu_t;

typedef struct {

        mc_gregset_t    mc_gregs;

        mc_greg_t       mc_fp;

        mc_greg_t       mc_i7;

        mc_fpu_t        mc_fpregs;

} mcontext_t;

struct ucontext {

        struct ucontext         *uc_link;

        unsigned long           uc_flags;

        sigset_t                uc_sigmask;

        mcontext_t              uc_mcontext;

};

typedef struct ucontext ucontext_t;

#endif /* __SPARC64_UCTX_H */