mirror of
https://github.com/genodelabs/genode.git
synced 2024-12-26 17:01:07 +00:00
ca971bbfd8
This patch changes the top-level directory layout as a preparatory step for improving the tools for managing 3rd-party source codes. The rationale is described in the issue referenced below. Issue #1082
54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
/*
|
|
* \brief L4Re functions needed by L4Linux
|
|
* \author Stefan Kalkowski
|
|
* \date 2011-03-17
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2011-2013 Genode Labs GmbH
|
|
*
|
|
* This file is part of the Genode OS framework, which is distributed
|
|
* under the terms of the GNU General Public License version 2.
|
|
*/
|
|
|
|
#ifndef _L4__UTIL__UTIL_H_
|
|
#define _L4__UTIL__UTIL_H_
|
|
|
|
#include <l4/sys/types.h>
|
|
#include <l4/sys/compiler.h>
|
|
#include <l4/sys/ipc.h>
|
|
|
|
L4_CV void l4_sleep(int ms);
|
|
|
|
L4_CV void l4_sleep_forever(void) __attribute__((noreturn));
|
|
|
|
|
|
static inline void
|
|
l4_touch_ro(const void*addr, unsigned size)
|
|
{
|
|
volatile const char *bptr, *eptr;
|
|
|
|
bptr = (const char*)(((unsigned)addr) & L4_PAGEMASK);
|
|
eptr = (const char*)(((unsigned)addr+size-1) & L4_PAGEMASK);
|
|
for(;bptr<=eptr;bptr+=L4_PAGESIZE) {
|
|
(void)(*bptr);
|
|
}
|
|
}
|
|
|
|
|
|
static inline void
|
|
l4_touch_rw(const void*addr, unsigned size)
|
|
{
|
|
volatile char *bptr;
|
|
volatile const char *eptr;
|
|
|
|
bptr = (char*)(((unsigned)addr) & L4_PAGEMASK);
|
|
eptr = (const char*)(((unsigned)addr+size-1) & L4_PAGEMASK);
|
|
for(;bptr<=eptr;bptr+=L4_PAGESIZE) {
|
|
char x = *bptr;
|
|
*bptr = x;
|
|
}
|
|
}
|
|
|
|
#endif /* _L4__UTIL__UTIL_H_ */
|