/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* uctx.h: Sparc64 {set,get}context() register state layouts.
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*
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* Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
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*/
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#ifndef __SPARC64_UCTX_H
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#define __SPARC64_UCTX_H
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#define MC_TSTATE 0
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#define MC_PC 1
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#define MC_NPC 2
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#define MC_Y 3
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#define MC_G1 4
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#define MC_G2 5
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#define MC_G3 6
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#define MC_G4 7
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#define MC_G5 8
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#define MC_G6 9
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#define MC_G7 10
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#define MC_O0 11
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#define MC_O1 12
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#define MC_O2 13
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#define MC_O3 14
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#define MC_O4 15
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#define MC_O5 16
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#define MC_O6 17
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#define MC_O7 18
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#define MC_NGREG 19
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typedef unsigned long mc_greg_t;
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typedef mc_greg_t mc_gregset_t[MC_NGREG];
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#define MC_MAXFPQ 16
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struct mc_fq {
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unsigned long *mcfq_addr;
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unsigned int mcfq_insn;
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};
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struct mc_fpu {
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union {
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unsigned int sregs[32];
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unsigned long dregs[32];
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long double qregs[16];
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} mcfpu_fregs;
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unsigned long mcfpu_fsr;
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unsigned long mcfpu_fprs;
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unsigned long mcfpu_gsr;
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struct mc_fq *mcfpu_fq;
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unsigned char mcfpu_qcnt;
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unsigned char mcfpu_qentsz;
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unsigned char mcfpu_enab;
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};
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typedef struct mc_fpu mc_fpu_t;
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typedef struct {
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mc_gregset_t mc_gregs;
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mc_greg_t mc_fp;
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mc_greg_t mc_i7;
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mc_fpu_t mc_fpregs;
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} mcontext_t;
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struct ucontext {
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struct ucontext *uc_link;
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unsigned long uc_flags;
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sigset_t uc_sigmask;
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mcontext_t uc_mcontext;
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};
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typedef struct ucontext ucontext_t;
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#endif /* __SPARC64_UCTX_H */
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