manager.c

来自「一个Windows下的Linux专用虚拟机」· C语言 代码 · 共 63 行

/*
 * This source code is a part of coLinux source package.
 *
 * Dan Aloni <[e-mail]>, 2003 (c)
 *
 * The code is licensed under the GPL. See the COPYING file at
 * the root directory.
 *
 */ 

#include <colinux/common/libc.h>

#include "manager.h"
#include "apic.h"

co_rc_t co_manager_arch_init(co_manager_t *manager, co_archdep_manager_t *out_archdep)
{
	co_rc_t rc;
	co_archdep_manager_t archdep;

	*out_archdep = NULL;

	co_debug("arch init");
 
	archdep = co_os_malloc(sizeof(*archdep));
	if (archdep == NULL)
		return CO_RC(OUT_OF_MEMORY);

	co_memset(archdep, 0, sizeof(*archdep));

	archdep->has_cpuid = co_i386_has_cpuid();
	if (archdep->has_cpuid == PFALSE) {
		co_debug_error("error, no CPUID!");
		rc = CO_RC(ERROR);
		goto out_error;
	}

	rc = co_i386_get_cpuid_capabilities(archdep->caps);
	if (!CO_OK(rc)) {
		co_debug_error("error, couldn't get CPU capabilities");
		rc = CO_RC(ERROR);
		goto out_error;
	}

	rc = co_manager_arch_init_apic(archdep);
	if (!CO_OK(rc))
		goto out_error;

	*out_archdep = archdep;
	return rc;

out_error:
	co_os_free(archdep);
	return rc;
}

void co_manager_arch_free(co_archdep_manager_t archdep)
{
	co_debug("arch free");

	co_os_free(archdep);
}