| 1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== |
| 3 | * |
| 4 | * OpenSPARC T2 Processor File: hsimd_asm.s |
| 5 | * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
| 6 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
| 7 | * |
| 8 | * The above named program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public |
| 10 | * License version 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * The above named program is distributed in the hope that it will be |
| 13 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public |
| 18 | * License along with this work; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
| 20 | * |
| 21 | * ========== Copyright Header End ============================================ |
| 22 | */ |
| 23 | /* |
| 24 | * Copyright 2006 Sun Microsystems, Inc. All rights reserved. |
| 25 | * Use is subject to license terms. |
| 26 | */ |
| 27 | |
| 28 | #pragma ident "@(#)hsimd_asm.s 1.2 06/06/27 SMI" |
| 29 | |
| 30 | /* |
| 31 | * Hypervisor simulation disk read/write calls |
| 32 | */ |
| 33 | |
| 34 | #include <sys/asm_linkage.h> |
| 35 | #include <sys/machasi.h> |
| 36 | #include <sys/machparam.h> |
| 37 | #include <sys/hypervisor_api.h> |
| 38 | |
| 39 | #ifndef DISK_READ |
| 40 | #define DISK_READ 0xf0 |
| 41 | #endif |
| 42 | #ifndef DISK_WRITE |
| 43 | #define DISK_WRITE 0xf1 |
| 44 | #endif |
| 45 | |
| 46 | #if defined(lint) || defined(__lint) /* { */ |
| 47 | |
| 48 | /*ARGSUSED*/ |
| 49 | size_t |
| 50 | hv_disk_read(uint64_t offset, uint64_t pa, size_t size) |
| 51 | { |
| 52 | return (0); |
| 53 | } |
| 54 | |
| 55 | /*ARGSUSED*/ |
| 56 | size_t |
| 57 | hv_disk_write(uint64_t offset, uint64_t pa, size_t size) |
| 58 | { |
| 59 | return (0); |
| 60 | } |
| 61 | |
| 62 | #else /* } { lint || __lint */ |
| 63 | |
| 64 | /* |
| 65 | * %o0 - disk offset |
| 66 | * %o1 - target real address |
| 67 | * %o2 - size |
| 68 | */ |
| 69 | ENTRY(hv_disk_read) |
| 70 | mov DISK_READ, %o5 |
| 71 | ta FAST_TRAP |
| 72 | tst %o0 |
| 73 | movz %xcc, %o1, %o0 |
| 74 | retl |
| 75 | movnz %xcc, -1, %o0 |
| 76 | SET_SIZE(hv_disk_read) |
| 77 | |
| 78 | /* |
| 79 | * %o0 - disk offset |
| 80 | * %o1 - target real address |
| 81 | * %o2 - size |
| 82 | */ |
| 83 | ENTRY(hv_disk_write) |
| 84 | mov DISK_WRITE, %o5 |
| 85 | ta FAST_TRAP |
| 86 | tst %o0 |
| 87 | movz %xcc, %o1, %o0 |
| 88 | retl |
| 89 | movnz %xcc, -1, %o0 |
| 90 | SET_SIZE(hv_disk_write) |
| 91 | |
| 92 | #endif /* } lint || __lint */ |
| 93 | |