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/6.1/sys/arm/include/cpu.h 141094 2005-02-01 06:36:27Z njl $ */
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 CLKF_USERMODE(frame) ((frame->if_spsr & PSR_MODE) == PSR_USR32_MODE)
33
34 #define TRAPF_USERMODE(frame) ((frame->tf_spsr & PSR_MODE) == PSR_USR32_MODE)
35 #define CLKF_PC(frame) (frame->if_pc)
36
37 #define TRAPF_PC(tfp) ((tfp)->tf_pc)
38
39 #define cpu_getstack(td) ((td)->td_frame->tf_usr_sp)
40 #define cpu_setstack(td, sp) ((td)->td_frame->tf_usr_sp = (sp))
41 #define cpu_spinwait() /* nothing */
42
43 #define ARM_NVEC 8
44 #define ARM_VEC_ALL 0xffffffff
45
46 extern vm_offset_t vector_page;
47
48 void arm_vector_init(vm_offset_t, int);
49 void fork_trampoline(void);
50 void identify_arm_cpu(void);
51 void *initarm(void *, void *);
52
53 extern char btext[];
54 extern char etext[];
55 int badaddr_read (void *, size_t, void *);
56 #endif /* !MACHINE_CPU_H */
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