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Ongoing work for adding per-thread UTCB structures.

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Added setting of utcb address to l4_thread_control.
This is going to be moved to exchange_registers() since we need to pass
both the utcb physical and virtual address and exregs fits such context
modification better than thread_control.
This commit is contained in:
Bahadir Balban
2009-04-29 16:53:04 +03:00
parent 54a9b2901d
commit 7a81db8782
35 changed files with 424 additions and 72 deletions
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6
tasks/libposix/fork.c
View File

@@ -12,7 +12,7 @@
#include <l4lib/utcb.h>
#include <l4/macros.h>
#include INC_GLUE(memory.h)
#include <posix_init.h>
#include <shpage.h>
static inline int l4_fork(void)
{
@@ -43,10 +43,10 @@ int fork(void)
/*
* If we're a child, we need to initialise the default
* shared page via posix_init()
* shared page via libposix_init()
*/
if (ret == 0)
posix_init();
shared_page_init();
return ret;
}

9
tasks/libposix/include/posix/posix_init.h
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@@ -1,6 +1,7 @@
#ifndef __POSIX_INIT_H__
#define __POSIX_INIT_H__
#ifndef __LIBPOSIX_INIT_H__
#define __LIBPOSIX_INIT_H__
void posix_init(void);
void libposix_init(void);
void posix_service_init(void);
#endif /* __POSIX_INIT_H__ */
#endif /* __LIBPOSIX_INIT_H__ */

22
tasks/libposix/init.c
View File

@@ -3,28 +3,20 @@
*
* Copyright (C) 2007-2009 Bahadir Balban
*/
#include <shpage.h>
#include <posix_init.h>
void posix_init(void)
void posix_service_init(void)
{
/* Non-pager tasks initialise their shared communication page */
if (self_tid() != PAGER_TID)
shared_page_init();
BUG_ON(self_tid() != VFS_TID);
shared_page_init();
}
int main(void);
/*
* Entry point for posix services container.
*
* This is executed by all posix system services and tasks
* that run in this container.
*/
void __container_init(void)
void libposix_init(void)
{
posix_init();
main();
/* Shall only be run by posix applications */
BUG_ON(self_tid() == PAGER_TID || self_tid() == VFS_TID);
shared_page_init();
}