1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 
  27 /*
  28  * Hypervisor calls used by tpm driver
  29  */
  30 
  31 #include <sys/asm_linkage.h>
  32 
  33 #if defined(sun4v)
  34 #include <sys/hypervisor_api.h>
  35 
  36 /*
  37  * hcall_tpm_get(uint64_t locality, uint64_t offset, uint64_t size,
  38  *     uint64_t *value)
  39  */
  40         ENTRY(hcall_tpm_get)
  41         mov     %o3, %g1
  42         mov     HV_TPM_GET, %o5
  43         ta      FAST_TRAP
  44         stx     %o1, [%g1]
  45         retl
  46         nop
  47         SET_SIZE(hcall_tpm_get)
  48 
  49 /*
  50  * uint64_t
  51  * hcall_tpm_put(uint64_t locality, uint64_t offset, uint64_t size,
  52  *     uint64_t value)
  53  */
  54         ENTRY(hcall_tpm_put)
  55         mov     HV_TPM_PUT, %o5
  56         ta      FAST_TRAP
  57         retl
  58         nop
  59         SET_SIZE(hcall_tpm_put)
  60 
  61 #endif /* defined(sun4v) */