xref: /netbsd-src/sys/arch/sparc64/include/netbsd32_machdep.h (revision f2ef31cb482d7be4956d9a943b18282648634e62)
1 /*	$NetBSD: netbsd32_machdep.h,v 1.29 2016/10/19 09:44:00 skrll Exp $	*/
2 
3 /*
4  * Copyright (c) 1998, 2001 Matthew R. Green
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef _MACHINE_NETBSD32_H_
30 #define _MACHINE_NETBSD32_H_
31 
32 #include <sys/types.h>
33 
34 struct proc;
35 
36 /* sparc64 uses an unsigned 32bit integer for 32bit pointers */
37 #define NETBSD32_POINTER_TYPE uint32_t
38 typedef struct { NETBSD32_POINTER_TYPE i32; } netbsd32_pointer_t;
39 
40 /* sparc32 has 64bit aligned 64bit integers */
41 #define NETBSD32_INT64_ALIGN
42 
43 /* from <arch/sparc/include/signal.h> */
44 typedef uint32_t netbsd32_sigcontextp_t;
45 
46 struct netbsd32_sigcontext {
47 	int		sc_onstack;	/* sigstack state to restore */
48 	int		__sc_mask13;	/* signal mask to restore (old style) */
49 	/* begin machine dependent portion */
50 	int		sc_sp;		/* %sp to restore */
51 	int		sc_pc;		/* pc to restore */
52 	int		sc_npc;		/* npc to restore */
53 	int		sc_psr;		/* pstate to restore */
54 	int		sc_g1;		/* %g1 to restore */
55 	int		sc_o0;		/* %o0 to restore */
56 	sigset_t	sc_mask;	/* signal mask to restore (new style) */
57 };
58 
59 struct netbsd32_sigcontext13 {
60 	int	sc_onstack;		/* sigstack state to restore */
61 	int	sc_mask;		/* signal mask to restore (old style) */
62 	/* begin machine dependent portion */
63 	int	sc_sp;			/* %sp to restore */
64 	int	sc_pc;			/* pc to restore */
65 	int	sc_npc;			/* npc to restore */
66 	int	sc_psr;			/* pstate to restore */
67 	int	sc_g1;			/* %g1 to restore */
68 	int	sc_o0;			/* %o0 to restore */
69 };
70 
71 /*
72  * Need to plug into get sparc specific ioctl's.
73  */
74 #define	NETBSD32_MD_IOCTL	/* enable netbsd32_md_ioctl() */
75 int netbsd32_md_ioctl(struct file *, netbsd32_u_long, void *, struct lwp *);
76 
77 #define NETBSD32_MID_MACHINE MID_SPARC
78 
79 int netbsd32_process_read_regs(struct lwp *, struct reg32 *);
80 int netbsd32_process_read_fpregs(struct lwp *, struct fpreg32 *, size_t *);
81 
82 int netbsd32_process_write_regs(struct lwp *, const struct reg32 *);
83 int netbsd32_process_write_fpregs(struct lwp *, const struct fpreg32 *, size_t);
84 
85 #endif /* _MACHINE_NETBSD32_H_ */
86