haiku/headers/private/kernel/commpage.h
Ingo Weinhold fab1c05c05 Split the commpage initialization into two parts. The second part is executed
after all CPUs have been queried for their features. On SMP machines
sysenter/sysexit weren't used before due to the non-boot CPUs appearing not
to have the feature.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31226 a95241bf-73f2-0310-859d-f6bbb57e9c96
2009-06-24 13:53:58 +00:00

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725 B
C

/*
* Copyright 2007, Travis Geiselbrecht. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _KERNEL_COMMPAGE_H
#define _KERNEL_COMMPAGE_H
#include <image.h>
#include <SupportDefs.h>
#include <commpage_defs.h>
#ifdef __cplusplus
extern "C" {
#endif
status_t commpage_init(void);
status_t commpage_init_post_cpus(void);
void* allocate_commpage_entry(int entry, size_t size);
void* fill_commpage_entry(int entry, const void* copyFrom, size_t size);
image_id get_commpage_image();
// implemented in the architecture specific part
status_t arch_commpage_init(void);
status_t arch_commpage_init_post_cpus(void);
#ifdef __cplusplus
} // extern "C"
#endif
#endif /* _KERNEL_COMMPAGE_H */