FreeBSD/Linux Kernel Cross Reference
sys/arm/include/cpu.h
1 /* $NetBSD: cpu.h,v 1.2 2001/02/23 21:23:52 reinoud Exp $ */
2 /* $FreeBSD: releng/8.3/sys/arm/include/cpu.h 158445 2006-05-11 17:29:25Z phk $ */
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 TRAPF_USERMODE(frame) ((frame->tf_spsr & PSR_MODE) == PSR_USR32_MODE)
25
26 #define TRAPF_PC(tfp) ((tfp)->tf_pc)
27
28 #define cpu_getstack(td) ((td)->td_frame->tf_usr_sp)
29 #define cpu_setstack(td, sp) ((td)->td_frame->tf_usr_sp = (sp))
30 #define cpu_spinwait() /* nothing */
31
32 #define ARM_NVEC 8
33 #define ARM_VEC_ALL 0xffffffff
34
35 extern vm_offset_t vector_page;
36
37 void arm_vector_init(vm_offset_t, int);
38 void fork_trampoline(void);
39 void identify_arm_cpu(void);
40 void *initarm(void *, void *);
41
42 extern char btext[];
43 extern char etext[];
44 int badaddr_read (void *, size_t, void *);
45 #endif /* !MACHINE_CPU_H */
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