| Wyllys Ingersoll | 8d26100 | 2009-08-19 17:19:28 -0700 | [diff] [blame] | 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 | #if defined(lint) || defined(__lint) |
| 37 | |
| 38 | /*ARGSUSED*/ |
| 39 | uint64_t |
| 40 | hcall_tpm_get(uint64_t locality, uint64_t offset, uint64_t size, |
| 41 | uint64_t *value) |
| 42 | { |
| 43 | return (0); |
| 44 | } |
| 45 | |
| 46 | /*ARGSUSED*/ |
| 47 | uint64_t |
| 48 | hcall_tpm_put(uint64_t locality, uint64_t offset, uint64_t size, |
| 49 | uint64_t value) |
| 50 | { |
| 51 | return (0); |
| 52 | } |
| 53 | |
| 54 | #else /* lint || __lint */ |
| 55 | |
| 56 | /* |
| 57 | * hcall_tpm_get(uint64_t locality, uint64_t offset, uint64_t size, |
| 58 | * uint64_t *value) |
| 59 | */ |
| 60 | ENTRY(hcall_tpm_get) |
| 61 | mov %o3, %g1 |
| 62 | mov HV_TPM_GET, %o5 |
| 63 | ta FAST_TRAP |
| 64 | stx %o1, [%g1] |
| 65 | retl |
| 66 | nop |
| 67 | SET_SIZE(hcall_tpm_get) |
| 68 | |
| 69 | /* |
| 70 | * uint64_t |
| 71 | * hcall_tpm_put(uint64_t locality, uint64_t offset, uint64_t size, |
| 72 | * uint64_t value) |
| 73 | */ |
| 74 | ENTRY(hcall_tpm_put) |
| 75 | mov HV_TPM_PUT, %o5 |
| 76 | ta FAST_TRAP |
| 77 | retl |
| 78 | nop |
| 79 | SET_SIZE(hcall_tpm_put) |
| 80 | |
| 81 | #endif /* lint || __lint */ |
| 82 | |
| 83 | #endif /* defined(sun4v) */ |