0f80bc85c5
The serial UML OS-abstraction layer patch (um/kernel dir). This moves all system calls from mem_user.c and tempfile.c files under os-Linux dir. Signed-off-by: Gennady Sharapov <Gennady.V.Sharapov@intel.com> Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
|
|
* Copyright (C) 2000 Jeff Dike (jdike@karaya.com)
|
|
* Licensed under the GPL
|
|
*/
|
|
|
|
#include "linux/config.h"
|
|
#include "linux/mm.h"
|
|
#include "linux/module.h"
|
|
#include "linux/sched.h"
|
|
#include "linux/init_task.h"
|
|
#include "linux/mqueue.h"
|
|
#include "asm/uaccess.h"
|
|
#include "asm/pgtable.h"
|
|
#include "user_util.h"
|
|
#include "mem_user.h"
|
|
#include "os.h"
|
|
|
|
static struct fs_struct init_fs = INIT_FS;
|
|
struct mm_struct init_mm = INIT_MM(init_mm);
|
|
static struct files_struct init_files = INIT_FILES;
|
|
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
|
|
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
|
|
EXPORT_SYMBOL(init_mm);
|
|
|
|
/*
|
|
* Initial task structure.
|
|
*
|
|
* All other task structs will be allocated on slabs in fork.c
|
|
*/
|
|
|
|
struct task_struct init_task = INIT_TASK(init_task);
|
|
|
|
EXPORT_SYMBOL(init_task);
|
|
|
|
/*
|
|
* Initial thread structure.
|
|
*
|
|
* We need to make sure that this is 16384-byte aligned due to the
|
|
* way process stacks are handled. This is done by having a special
|
|
* "init_task" linker map entry..
|
|
*/
|
|
|
|
union thread_union init_thread_union
|
|
__attribute__((__section__(".data.init_task"))) =
|
|
{ INIT_THREAD_INFO(init_task) };
|
|
|
|
void unprotect_stack(unsigned long stack)
|
|
{
|
|
os_protect_memory((void *) stack, (1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE,
|
|
1, 1, 0);
|
|
}
|
|
|
|
/*
|
|
* Overrides for Emacs so that we follow Linus's tabbing style.
|
|
* Emacs will notice this stuff at the end of the file and automatically
|
|
* adjust the settings for this buffer only. This must remain at the end
|
|
* of the file.
|
|
* ---------------------------------------------------------------------------
|
|
* Local variables:
|
|
* c-file-style: "linux"
|
|
* End:
|
|
*/
|