xref: /freebsd/sys/arm/include/cpu.h (revision c0b9f4fe659b6839541970eb5675e57f4d814969)
1 /* $NetBSD: cpu.h,v 1.2 2001/02/23 21:23:52 reinoud Exp $ */
2 /* $FreeBSD$ */
3 
4 #ifndef MACHINE_CPU_H
5 #define MACHINE_CPU_H
6 
7 #include <machine/armreg.h>
8 
9 void    cpu_halt(void);
10 void    swi_vm(void *);
11 
12 #ifdef _KERNEL
13 static __inline uint64_t
14 get_cyclecount(void)
15 {
16 	struct bintime bt;
17 
18 	binuptime(&bt);
19 	return (bt.frac ^ bt.sec);
20 
21 }
22 #endif
23 
24 #define CPU_CONSDEV 1
25 #define CPU_ADJKERNTZ           2       /* int: timezone offset (seconds) */
26 #define CPU_DISRTCSET           3       /* int: disable resettodr() call */
27 #define CPU_BOOTINFO            4       /* struct: bootinfo */
28 #define CPU_WALLCLOCK           5       /* int: indicates wall CMOS clock */
29 #define CPU_MAXID               6       /* number of valid machdep ids */
30 
31 
32 #define TRAPF_USERMODE(frame)	((frame->tf_spsr & PSR_MODE) == PSR_USR32_MODE)
33 
34 #define TRAPF_PC(tfp)		((tfp)->tf_pc)
35 
36 #define cpu_getstack(td)        ((td)->td_frame->tf_usr_sp)
37 #define cpu_setstack(td, sp)    ((td)->td_frame->tf_usr_sp = (sp))
38 #define cpu_spinwait()		/* nothing */
39 
40 #define ARM_NVEC		8
41 #define ARM_VEC_ALL		0xffffffff
42 
43 extern vm_offset_t vector_page;
44 
45 void	arm_vector_init(vm_offset_t, int);
46 void	fork_trampoline(void);
47 void	identify_arm_cpu(void);
48 void	*initarm(void *, void *);
49 
50 extern char btext[];
51 extern char etext[];
52 int badaddr_read (void *, size_t, void *);
53 #endif /* !MACHINE_CPU_H */
54