tpm_hcall.s revision 8d26100c1d185652ac4e12e1b6c2337446ad0746
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Hypervisor calls used by tpm driver
*/
#include <sys/asm_linkage.h>
#if defined(sun4v)
#include <sys/hypervisor_api.h>
#if defined(lint) || defined(__lint)
/*ARGSUSED*/
uint64_t
hcall_tpm_get(uint64_t locality, uint64_t offset, uint64_t size,
uint64_t *value)
{
return (0);
}
/*ARGSUSED*/
uint64_t
hcall_tpm_put(uint64_t locality, uint64_t offset, uint64_t size,
uint64_t value)
{
return (0);
}
#else /* lint || __lint */
/*
* hcall_tpm_get(uint64_t locality, uint64_t offset, uint64_t size,
* uint64_t *value)
*/
ENTRY(hcall_tpm_get)
mov %o3, %g1
mov HV_TPM_GET, %o5
ta FAST_TRAP
stx %o1, [%g1]
retl
nop
SET_SIZE(hcall_tpm_get)
/*
* uint64_t
* hcall_tpm_put(uint64_t locality, uint64_t offset, uint64_t size,
* uint64_t value)
*/
ENTRY(hcall_tpm_put)
mov HV_TPM_PUT, %o5
ta FAST_TRAP
retl
nop
SET_SIZE(hcall_tpm_put)
#endif /* lint || __lint */
#endif /* defined(sun4v) */