NetBSD/sys/arch/sparc64/include/netbsd32_machdep.h

96 lines
3.4 KiB
C

/* $NetBSD: netbsd32_machdep.h,v 1.24 2007/09/16 22:44:31 dsl Exp $ */
/*
* Copyright (c) 1998, 2001 Matthew R. Green
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
*/
#ifndef _MACHINE_NETBSD32_H_
#define _MACHINE_NETBSD32_H_
#include <sys/types.h>
struct proc;
/* sparc64 uses an unsigned 32bit integer for 32bit pointers */
#define NETBSD32_POINTER_TYPE uint32_t
typedef struct { NETBSD32_POINTER_TYPE i32; } netbsd32_pointer_t;
/* sparc32 has 64bit aligned 64bit integers */
#define NETBSD32_INT64_ALIGN
/* from <arch/sparc/include/signal.h> */
typedef uint32_t netbsd32_sigcontextp_t;
struct netbsd32_sigcontext {
int sc_onstack; /* sigstack state to restore */
int __sc_mask13; /* signal mask to restore (old style) */
/* begin machine dependent portion */
int sc_sp; /* %sp to restore */
int sc_pc; /* pc to restore */
int sc_npc; /* npc to restore */
int sc_psr; /* pstate to restore */
int sc_g1; /* %g1 to restore */
int sc_o0; /* %o0 to restore */
sigset_t sc_mask; /* signal mask to restore (new style) */
};
struct netbsd32_sigcontext13 {
int sc_onstack; /* sigstack state to restore */
int sc_mask; /* signal mask to restore (old style) */
/* begin machine dependent portion */
int sc_sp; /* %sp to restore */
int sc_pc; /* pc to restore */
int sc_npc; /* npc to restore */
int sc_psr; /* pstate to restore */
int sc_g1; /* %g1 to restore */
int sc_o0; /* %o0 to restore */
};
/*
* Need to plug into get sparc specific ioctl's.
*/
#define NETBSD32_MD_IOCTL /* enable netbsd32_md_ioctl() */
int netbsd32_md_ioctl(struct file *, netbsd32_u_long, void *, struct lwp *);
#define NETBSD32_MID_MACHINE MID_SPARC
/*
* When returning an off_t to userland, we need to modify the syscall
* retval array. We return a 64 bit value in %o0 (high) and %o1 (low)
* for 32bit userland.
*/
#define NETBSD32_OFF_T_RETURN(RV) \
do { \
(RV)[1] = (RV)[0]; \
(RV)[0] >>= 32; \
} while (0)
int netbsd32_process_read_regs(struct lwp *, struct reg32 *);
int netbsd32_process_read_fpregs(struct lwp *, struct fpreg32 *);
#endif /* _MACHINE_NETBSD32_H_ */