misc.c

来自「一个Windows下的Linux专用虚拟机」· C语言 代码 · 共 32 行

/*
 * This source code is a part of coLinux source package.
 *
 * Dan Aloni <[e-mail]>, 2004 (c)
 *
 * The code is licensed under the GPL. See the COPYING file at
 * the root directory.
 *
 */

#include "linux_inc.h"
#include <asm/io.h>
#include <colinux/os/kernel/misc.h>

unsigned long co_os_virt_to_phys(void *addr)
{
	return virt_to_phys(addr);
}

co_rc_t co_os_physical_memory_pages(unsigned long *pages)
{
	*pages = num_physpages;

	/* 
	 * Round to 16 MB boundars, since Linux doesn't return the 
	 * exact amount but a bit lower.
	 */
	*pages = ~0xfff & ((*pages) + 0xfff);

	return CO_RC(OK);
}