2003-05-03 16:03:26 +00:00
|
|
|
/*
|
2006-02-01 16:09:05 +00:00
|
|
|
* Copyright 2002-2006, Haiku Inc. All rights reserved.
|
2005-03-17 17:06:56 +00:00
|
|
|
* Distributed under the terms of the MIT License.
|
|
|
|
|
*
|
|
|
|
|
* Copyright 2002, Travis Geiselbrecht. All rights reserved.
|
|
|
|
|
* Distributed under the terms of the NewOS License.
|
|
|
|
|
*/
|
2002-07-09 12:24:59 +00:00
|
|
|
#ifndef _KERNEL_CPU_H
|
|
|
|
|
#define _KERNEL_CPU_H
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#include <smp.h>
|
|
|
|
|
#include <timer.h>
|
2005-10-25 16:59:12 +00:00
|
|
|
#include <boot/kernel_args.h>
|
2007-02-05 01:46:28 +00:00
|
|
|
#include <arch/cpu.h>
|
2002-07-09 12:24:59 +00:00
|
|
|
|
|
|
|
|
|
2003-05-03 16:03:26 +00:00
|
|
|
/* CPU local data structure */
|
|
|
|
|
|
2006-04-29 22:38:19 +00:00
|
|
|
typedef struct cpu_ent {
|
|
|
|
|
int cpu_num;
|
2005-12-12 17:04:36 +00:00
|
|
|
|
2006-04-29 22:38:19 +00:00
|
|
|
// thread.c: used to force a reschedule at quantum expiration time
|
|
|
|
|
int preempted;
|
|
|
|
|
timer quantum_timer;
|
2006-02-01 20:03:55 +00:00
|
|
|
|
2006-04-29 22:38:19 +00:00
|
|
|
// keeping track of CPU activity
|
|
|
|
|
bigtime_t active_time;
|
|
|
|
|
bigtime_t last_kernel_time;
|
|
|
|
|
bigtime_t last_user_time;
|
2006-02-01 20:03:55 +00:00
|
|
|
|
2006-04-29 22:38:19 +00:00
|
|
|
bool disabled;
|
2007-02-05 01:46:28 +00:00
|
|
|
|
|
|
|
|
// arch-specific stuff
|
|
|
|
|
arch_cpu_info arch;
|
2005-12-12 17:04:36 +00:00
|
|
|
} cpu_ent __attribute__((aligned(64)));
|
|
|
|
|
|
2002-07-09 12:24:59 +00:00
|
|
|
|
2006-02-01 16:09:05 +00:00
|
|
|
extern cpu_ent gCPU[MAX_BOOT_CPUS];
|
2002-07-09 12:24:59 +00:00
|
|
|
|
2004-10-21 01:41:29 +00:00
|
|
|
|
2003-05-03 16:03:26 +00:00
|
|
|
#ifdef __cplusplus
|
|
|
|
|
extern "C" {
|
|
|
|
|
#endif
|
2002-07-09 12:24:59 +00:00
|
|
|
|
2007-02-19 00:11:24 +00:00
|
|
|
status_t cpu_preboot_init_percpu(struct kernel_args *args, int curr_cpu);
|
2004-10-21 01:41:29 +00:00
|
|
|
status_t cpu_init(struct kernel_args *args);
|
2007-02-05 01:46:28 +00:00
|
|
|
status_t cpu_init_percpu(kernel_args *ka, int curr_cpu);
|
2004-10-21 01:41:29 +00:00
|
|
|
status_t cpu_init_post_vm(struct kernel_args *args);
|
2005-12-13 16:34:29 +00:00
|
|
|
status_t cpu_init_post_modules(struct kernel_args *args);
|
2006-02-01 20:03:55 +00:00
|
|
|
bigtime_t cpu_get_active_time(int32 cpu);
|
2004-10-21 01:41:29 +00:00
|
|
|
|
2002-07-09 12:24:59 +00:00
|
|
|
cpu_ent *get_cpu_struct(void);
|
2006-02-01 16:09:05 +00:00
|
|
|
extern inline cpu_ent *get_cpu_struct(void) { return &gCPU[smp_get_current_cpu()]; }
|
2002-07-09 12:24:59 +00:00
|
|
|
|
2005-03-17 17:06:56 +00:00
|
|
|
void _user_clear_caches(void *address, size_t length, uint32 flags);
|
2006-02-01 16:09:05 +00:00
|
|
|
bool _user_cpu_enabled(int32 cpu);
|
|
|
|
|
status_t _user_set_cpu_enabled(int32 cpu, bool enabled);
|
2005-03-17 17:06:56 +00:00
|
|
|
|
2002-07-09 12:24:59 +00:00
|
|
|
#ifdef __cplusplus
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
2003-05-03 16:03:26 +00:00
|
|
|
#endif /* _KERNEL_CPU_H */
|
