1/* $NetBSD: cpu.h,v 1.2 2001/02/23 21:23:52 reinoud Exp $ */
2/* $FreeBSD: stable/10/sys/arm/include/cpu.h 259329 2013-12-13 20:43:11Z ian $ */
3
4#ifndef MACHINE_CPU_H
5#define MACHINE_CPU_H
6
7#include <machine/armreg.h>
8#include <machine/frame.h>
9
10void cpu_halt(void);
11void swi_vm(void *);
12
13#ifdef _KERNEL
14static __inline uint64_t
15get_cyclecount(void)
16{
17 struct bintime bt;
18
19 binuptime(&bt);
20 return ((uint64_t)bt.sec << 56 | bt.frac >> 8);
21
22}
23#endif
24
25#define TRAPF_USERMODE(frame) ((frame->tf_spsr & PSR_MODE) == PSR_USR32_MODE)
26
27#define TRAPF_PC(tfp) ((tfp)->tf_pc)
28
29#define cpu_getstack(td) ((td)->td_frame->tf_usr_sp)
30#define cpu_setstack(td, sp) ((td)->td_frame->tf_usr_sp = (sp))
31#define cpu_spinwait() /* nothing */
32
33#define ARM_NVEC 8
34#define ARM_VEC_ALL 0xffffffff
35
36extern vm_offset_t vector_page;
37
38struct arm_boot_params {
39 register_t abp_size; /* Size of this structure */
40 register_t abp_r0; /* r0 from the boot loader */
41 register_t abp_r1; /* r1 from the boot loader */
42 register_t abp_r2; /* r2 from the boot loader */
43 register_t abp_r3; /* r3 from the boot loader */
44};
45
46void arm_vector_init(vm_offset_t, int);
47void fork_trampoline(void);
48void identify_arm_cpu(void);
49void *initarm(struct arm_boot_params *);
50
51extern char btext[];
52extern char etext[];
53int badaddr_read(void *, size_t, void *);
54#endif /* !MACHINE_CPU_H */