/* $NetBSD: _regset.h,v 1.1 2006/04/07 14:21:18 cherry Exp $ */ | |
/*- | |
* Copyright (c) 2002, 2003 Marcel Moolenaar | |
* All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright | |
* notice, this list of conditions and the following disclaimer in the | |
* documentation and/or other materials provided with the distribution. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
* | |
* $FreeBSD$ | |
*/ | |
#ifndef _MACHINE_REGSET_H_ | |
#define _MACHINE_REGSET_H_ | |
/* | |
* Create register sets, based on the runtime specification. This allows | |
* us to better reuse code and to copy sets around more efficiently. | |
* Contexts are defined in terms of these sets. These include trapframe, | |
* sigframe, pcb, mcontext, reg and fpreg. Other candidates are unwind | |
* and coredump related contexts. | |
* | |
* Notes: | |
* o Constant registers (r0, f0 and f1) are not accounted for, | |
* o The stacked registers (r32-r127) are not accounted for, | |
* o Predicates are not split across sets. | |
*/ | |
/* A single FP register. */ | |
union _ia64_fpreg { | |
unsigned char fpr_bits[16]; | |
long double fpr_flt; | |
}; | |
/* | |
* Special registers. | |
*/ | |
struct _special { | |
unsigned long sp; | |
unsigned long unat; /* NaT before spilling */ | |
unsigned long rp; | |
unsigned long pr; | |
unsigned long pfs; | |
unsigned long bspstore; | |
unsigned long rnat; | |
unsigned long __spare; | |
/* Userland context and syscalls */ | |
unsigned long tp; | |
unsigned long rsc; | |
unsigned long fpsr; | |
unsigned long psr; | |
/* ASYNC: Interrupt specific */ | |
unsigned long gp; | |
unsigned long ndirty; | |
unsigned long cfm; | |
unsigned long iip; | |
unsigned long ifa; | |
unsigned long isr; | |
}; | |
struct _high_fp { | |
union _ia64_fpreg fr32; | |
union _ia64_fpreg fr33; | |
union _ia64_fpreg fr34; | |
union _ia64_fpreg fr35; | |
union _ia64_fpreg fr36; | |
union _ia64_fpreg fr37; | |
union _ia64_fpreg fr38; | |
union _ia64_fpreg fr39; | |
union _ia64_fpreg fr40; | |
union _ia64_fpreg fr41; | |
union _ia64_fpreg fr42; | |
union _ia64_fpreg fr43; | |
union _ia64_fpreg fr44; | |
union _ia64_fpreg fr45; | |
union _ia64_fpreg fr46; | |
union _ia64_fpreg fr47; | |
union _ia64_fpreg fr48; | |
union _ia64_fpreg fr49; | |
union _ia64_fpreg fr50; | |
union _ia64_fpreg fr51; | |
union _ia64_fpreg fr52; | |
union _ia64_fpreg fr53; | |
union _ia64_fpreg fr54; | |
union _ia64_fpreg fr55; | |
union _ia64_fpreg fr56; | |
union _ia64_fpreg fr57; | |
union _ia64_fpreg fr58; | |
union _ia64_fpreg fr59; | |
union _ia64_fpreg fr60; | |
union _ia64_fpreg fr61; | |
union _ia64_fpreg fr62; | |
union _ia64_fpreg fr63; | |
union _ia64_fpreg fr64; | |
union _ia64_fpreg fr65; | |
union _ia64_fpreg fr66; | |
union _ia64_fpreg fr67; | |
union _ia64_fpreg fr68; | |
union _ia64_fpreg fr69; | |
union _ia64_fpreg fr70; | |
union _ia64_fpreg fr71; | |
union _ia64_fpreg fr72; | |
union _ia64_fpreg fr73; | |
union _ia64_fpreg fr74; | |
union _ia64_fpreg fr75; | |
union _ia64_fpreg fr76; | |
union _ia64_fpreg fr77; | |
union _ia64_fpreg fr78; | |
union _ia64_fpreg fr79; | |
union _ia64_fpreg fr80; | |
union _ia64_fpreg fr81; | |
union _ia64_fpreg fr82; | |
union _ia64_fpreg fr83; | |
union _ia64_fpreg fr84; | |
union _ia64_fpreg fr85; | |
union _ia64_fpreg fr86; | |
union _ia64_fpreg fr87; | |
union _ia64_fpreg fr88; | |
union _ia64_fpreg fr89; | |
union _ia64_fpreg fr90; | |
union _ia64_fpreg fr91; | |
union _ia64_fpreg fr92; | |
union _ia64_fpreg fr93; | |
union _ia64_fpreg fr94; | |
union _ia64_fpreg fr95; | |
union _ia64_fpreg fr96; | |
union _ia64_fpreg fr97; | |
union _ia64_fpreg fr98; | |
union _ia64_fpreg fr99; | |
union _ia64_fpreg fr100; | |
union _ia64_fpreg fr101; | |
union _ia64_fpreg fr102; | |
union _ia64_fpreg fr103; | |
union _ia64_fpreg fr104; | |
union _ia64_fpreg fr105; | |
union _ia64_fpreg fr106; | |
union _ia64_fpreg fr107; | |
union _ia64_fpreg fr108; | |
union _ia64_fpreg fr109; | |
union _ia64_fpreg fr110; | |
union _ia64_fpreg fr111; | |
union _ia64_fpreg fr112; | |
union _ia64_fpreg fr113; | |
union _ia64_fpreg fr114; | |
union _ia64_fpreg fr115; | |
union _ia64_fpreg fr116; | |
union _ia64_fpreg fr117; | |
union _ia64_fpreg fr118; | |
union _ia64_fpreg fr119; | |
union _ia64_fpreg fr120; | |
union _ia64_fpreg fr121; | |
union _ia64_fpreg fr122; | |
union _ia64_fpreg fr123; | |
union _ia64_fpreg fr124; | |
union _ia64_fpreg fr125; | |
union _ia64_fpreg fr126; | |
union _ia64_fpreg fr127; | |
}; | |
/* | |
* Preserved registers. | |
*/ | |
struct _callee_saved { | |
unsigned long unat; /* NaT after spilling. */ | |
unsigned long gr4; | |
unsigned long gr5; | |
unsigned long gr6; | |
unsigned long gr7; | |
unsigned long br1; | |
unsigned long br2; | |
unsigned long br3; | |
unsigned long br4; | |
unsigned long br5; | |
unsigned long lc; | |
unsigned long __spare; | |
}; | |
struct _callee_saved_fp { | |
union _ia64_fpreg fr2; | |
union _ia64_fpreg fr3; | |
union _ia64_fpreg fr4; | |
union _ia64_fpreg fr5; | |
union _ia64_fpreg fr16; | |
union _ia64_fpreg fr17; | |
union _ia64_fpreg fr18; | |
union _ia64_fpreg fr19; | |
union _ia64_fpreg fr20; | |
union _ia64_fpreg fr21; | |
union _ia64_fpreg fr22; | |
union _ia64_fpreg fr23; | |
union _ia64_fpreg fr24; | |
union _ia64_fpreg fr25; | |
union _ia64_fpreg fr26; | |
union _ia64_fpreg fr27; | |
union _ia64_fpreg fr28; | |
union _ia64_fpreg fr29; | |
union _ia64_fpreg fr30; | |
union _ia64_fpreg fr31; | |
}; | |
/* | |
* Scratch registers. | |
*/ | |
struct _caller_saved { | |
unsigned long unat; /* NaT after spilling. */ | |
unsigned long gr2; | |
unsigned long gr3; | |
unsigned long gr8; | |
unsigned long gr9; | |
unsigned long gr10; | |
unsigned long gr11; | |
unsigned long gr14; | |
unsigned long gr15; | |
unsigned long gr16; | |
unsigned long gr17; | |
unsigned long gr18; | |
unsigned long gr19; | |
unsigned long gr20; | |
unsigned long gr21; | |
unsigned long gr22; | |
unsigned long gr23; | |
unsigned long gr24; | |
unsigned long gr25; | |
unsigned long gr26; | |
unsigned long gr27; | |
unsigned long gr28; | |
unsigned long gr29; | |
unsigned long gr30; | |
unsigned long gr31; | |
unsigned long br6; | |
unsigned long br7; | |
unsigned long ccv; | |
unsigned long csd; | |
unsigned long ssd; | |
}; | |
struct _caller_saved_fp { | |
union _ia64_fpreg fr6; | |
union _ia64_fpreg fr7; | |
union _ia64_fpreg fr8; | |
union _ia64_fpreg fr9; | |
union _ia64_fpreg fr10; | |
union _ia64_fpreg fr11; | |
union _ia64_fpreg fr12; | |
union _ia64_fpreg fr13; | |
union _ia64_fpreg fr14; | |
union _ia64_fpreg fr15; | |
}; | |
#ifdef _KERNEL | |
void restore_callee_saved(const struct _callee_saved *); | |
void restore_callee_saved_fp(const struct _callee_saved_fp *); | |
void restore_high_fp(const struct _high_fp *); | |
void save_callee_saved(struct _callee_saved *); | |
void save_callee_saved_fp(struct _callee_saved_fp *); | |
void save_high_fp(struct _high_fp *); | |
#endif | |
#endif /* _MACHINE_REGSET_H_ */ |