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Imported Genode release 11.11

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Genode Labs
2011-12-22 16:19:25 +01:00
committed by Christian Helmuth
parent 6bcc9aef0e
commit da4e1feaa5
2462 changed files with 320115 additions and 3 deletions
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53
ports-foc/include/l4/util/util.h Normal file
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/*
* \brief L4Re functions needed by L4Linux
* \author Stefan Kalkowski
* \date 2011-03-17
*/
/*
* Copyright (C) 2011 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_ */