xref: /freebsd/sys/powerpc/include/reg.h (revision cc16dea626cf2fc80cde667ac4798065108e596c)
1 /* $NetBSD: reg.h,v 1.4 2000/06/04 09:30:44 tsubai Exp $	*/
2 /* $FreeBSD$	*/
3 
4 #ifndef _POWERPC_REG_H_
5 #define	_POWERPC_REG_H_
6 
7 #if defined(_KERNEL) && !defined(KLD_MODULE) && !defined(_STANDALONE)
8 #include "opt_compat.h"
9 #endif
10 
11 /* Must match struct trapframe */
12 struct reg {
13 	register_t fixreg[32];
14 	register_t lr;
15 	register_t cr;
16 	register_t xer;
17 	register_t ctr;
18 	register_t pc;
19 };
20 
21 /* Must match pcb.pcb_fpu */
22 struct fpreg {
23 	double fpreg[32];
24 	double fpscr;
25 };
26 
27 struct dbreg {
28 	unsigned int	junk;
29 };
30 
31 #ifdef COMPAT_FREEBSD32
32 /* Must match struct trapframe */
33 struct reg32 {
34 	int32_t fixreg[32];
35 	int32_t lr;
36 	int32_t cr;
37 	int32_t xer;
38 	int32_t ctr;
39 	int32_t pc;
40 };
41 
42 struct fpreg32 {
43 	struct fpreg data;
44 };
45 
46 struct dbreg32 {
47 	struct dbreg data;
48 };
49 #endif
50 
51 #ifdef _KERNEL
52 /*
53  * XXX these interfaces are MI, so they should be declared in a MI place.
54  */
55 int	fill_regs(struct thread *, struct reg *);
56 int	set_regs(struct thread *, struct reg *);
57 int	fill_fpregs(struct thread *, struct fpreg *);
58 int	set_fpregs(struct thread *, struct fpreg *);
59 int	fill_dbregs(struct thread *, struct dbreg *);
60 int	set_dbregs(struct thread *, struct dbreg *);
61 
62 #ifdef COMPAT_FREEBSD32
63 struct image_params;
64 
65 int	fill_regs32(struct thread *, struct reg32 *);
66 int	set_regs32(struct thread *, struct reg32 *);
67 void	ppc32_setregs(struct thread *, struct image_params *, u_long);
68 
69 #define	fill_fpregs32(td, reg)	fill_fpregs(td,(struct fpreg *)reg)
70 #define	set_fpregs32(td, reg)	set_fpregs(td,(struct fpreg *)reg)
71 #define	fill_dbregs32(td, reg)	fill_dbregs(td,(struct dbreg *)reg)
72 #define	set_dbregs32(td, reg)	set_dbregs(td,(struct dbreg *)reg)
73 #endif
74 
75 #endif
76 
77 #endif /* _POWERPC_REG_H_ */
78