projects / OpenSPARC-T2-SAM / blame
| Commit | Line | Data |
|---|---|---|
| 920dae64 AT |
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 |