haiku/headers/private/kernel/cpu.h
Ingo Weinhold 45bd7bb3db Removed unnecessary inclusions of <boot/kernel_args.h> in private kernel
headers and respectively added includes in source files.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37259 a95241bf-73f2-0310-859d-f6bbb57e9c96
2010-06-25 22:16:10 +00:00

85 lines
1.8 KiB
C

/*
* Copyright 2002-2006, Haiku Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Copyright 2002, Travis Geiselbrecht. All rights reserved.
* Distributed under the terms of the NewOS License.
*/
#ifndef _KERNEL_CPU_H
#define _KERNEL_CPU_H
#include <setjmp.h>
#include <smp.h>
#include <timer.h>
#include <arch/cpu.h>
// define PAUSE, if not done in arch/cpu.h
#ifndef PAUSE
# define PAUSE()
#endif
struct kernel_args;
struct thread;
/* CPU local data structure */
typedef struct cpu_ent {
int cpu_num;
// thread.c: used to force a reschedule at quantum expiration time
int preempted;
timer quantum_timer;
// keeping track of CPU activity
bigtime_t active_time;
bigtime_t last_kernel_time;
bigtime_t last_user_time;
// used in the kernel debugger
addr_t fault_handler;
addr_t fault_handler_stack_pointer;
jmp_buf fault_jump_buffer;
struct thread* running_thread;
bool invoke_scheduler;
bool invoke_scheduler_if_idle;
bool disabled;
// arch-specific stuff
arch_cpu_info arch;
} cpu_ent __attribute__((aligned(64)));
//extern cpu_ent gCPU[MAX_BOOT_CPUS];
extern cpu_ent gCPU[];
#ifdef __cplusplus
extern "C" {
#endif
status_t cpu_preboot_init_percpu(struct kernel_args *args, int curr_cpu);
status_t cpu_init(struct kernel_args *args);
status_t cpu_init_percpu(struct kernel_args *ka, int curr_cpu);
status_t cpu_init_post_vm(struct kernel_args *args);
status_t cpu_init_post_modules(struct kernel_args *args);
bigtime_t cpu_get_active_time(int32 cpu);
cpu_ent *get_cpu_struct(void);
extern inline cpu_ent *get_cpu_struct(void) { return &gCPU[smp_get_current_cpu()]; }
void _user_clear_caches(void *address, size_t length, uint32 flags);
bool _user_cpu_enabled(int32 cpu);
status_t _user_set_cpu_enabled(int32 cpu, bool enabled);
#ifdef __cplusplus
}
#endif
#endif /* _KERNEL_CPU_H */