projects / OpenSPARC-T2-SAM / blame
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1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== | |
| 3 | * | |
| 4 | * Hypervisor Software File: traptrace.h | |
| 5 | * | |
| 6 | * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
| 7 | * | |
| 8 | * - Do no alter or remove copyright notices | |
| 9 | * | |
| 10 | * - Redistribution and use of this software in source and binary forms, with | |
| 11 | * or without modification, are permitted provided that the following | |
| 12 | * conditions are met: | |
| 13 | * | |
| 14 | * - Redistribution of source code must retain the above copyright notice, | |
| 15 | * this list of conditions and the following disclaimer. | |
| 16 | * | |
| 17 | * - Redistribution in binary form must reproduce the above copyright notice, | |
| 18 | * this list of conditions and the following disclaimer in the | |
| 19 | * documentation and/or other materials provided with the distribution. | |
| 20 | * | |
| 21 | * Neither the name of Sun Microsystems, Inc. or the names of contributors | |
| 22 | * may be used to endorse or promote products derived from this software | |
| 23 | * without specific prior written permission. | |
| 24 | * | |
| 25 | * This software is provided "AS IS," without a warranty of any kind. | |
| 26 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, | |
| 27 | * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A | |
| 28 | * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN | |
| 29 | * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR | |
| 30 | * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR | |
| 31 | * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN | |
| 32 | * OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR | |
| 33 | * FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE | |
| 34 | * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, | |
| 35 | * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF | |
| 36 | * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. | |
| 37 | * | |
| 38 | * You acknowledge that this software is not designed, licensed or | |
| 39 | * intended for use in the design, construction, operation or maintenance of | |
| 40 | * any nuclear facility. | |
| 41 | * | |
| 42 | * ========== Copyright Header End ============================================ | |
| 43 | */ | |
| 44 | /* | |
| 45 | * Copyright 2007 Sun Microsystems, Inc. All rights reserved. | |
| 46 | * Use is subject to license terms. | |
| 47 | */ | |
| 48 | ||
| 49 | #ifndef _TRAPTRACE_H | |
| 50 | #define _TRAPTRACE_H | |
| 51 | ||
| 52 | #pragma ident "@(#)traptrace.h 1.5 07/05/03 SMI" | |
| 53 | ||
| 54 | #ifdef __cplusplus | |
| 55 | extern "C" { | |
| 56 | #endif | |
| 57 | ||
| 58 | #include <platform/traptrace.h> | |
| 59 | ||
| 60 | /* BEGIN CSTYLED */ | |
| 61 | #define TTRACE_PTR(tmp, ptr, label_notconf, label_frz) \ | |
| 62 | VCPU_GUEST_STRUCT(tmp, ptr) ;\ | |
| 63 | ldx [ptr + GUEST_TTRACE_FRZ], ptr ;\ | |
| 64 | brnz,pn ptr, label_frz ;\ | |
| 65 | nop ;\ | |
| 66 | ldx [tmp + CPU_TTRACEBUF_SIZE], ptr ;\ | |
| 67 | brz,pn ptr, label_notconf ;\ | |
| 68 | nop ;\ | |
| 69 | ldx [tmp + CPU_TTRACE_OFFSET], ptr ;\ | |
| 70 | ldx [tmp + CPU_TTRACEBUF_PA], tmp ;\ | |
| 71 | add tmp, ptr, ptr | |
| 72 | ||
| 73 | #define TTRACE_NEXT(ptr, scr0, scr1, scr2) \ | |
| 74 | VCPU_STRUCT(scr0) ;\ | |
| 75 | ldx [scr0 + CPU_TTRACEBUF_SIZE], scr2 ;\ | |
| 76 | ldx [scr0 + CPU_TTRACEBUF_PA], scr0 ;\ | |
| 77 | sub ptr, scr0, scr1 ;\ | |
| 78 | stx scr1, [scr0 + TTRACE_HEADER_LAST_OFF] ;\ | |
| 79 | add scr1, TTRACE_RECORD_SIZE, scr1 ;\ | |
| 80 | cmp scr1, scr2 ;\ | |
| 81 | movge %xcc, TTRACE_RECORD_SIZE, scr1 ;\ | |
| 82 | stx scr1, [scr0 + TTRACE_HEADER_OFFSET] ;\ | |
| 83 | VCPU_STRUCT(scr2) ;\ | |
| 84 | stx scr1, [scr2 + CPU_TTRACE_OFFSET] | |
| 85 | ||
| 86 | #define TTRACE_NEXTPTR(ptr, scr0, scr1, scr2) \ | |
| 87 | TTRACE_NEXT(ptr, scr0, scr1, scr2) ;\ | |
| 88 | add scr0, scr1, ptr | |
| 89 | ||
| 90 | #define TTRACE_STATE(ptr, typ, scr0, scr1) \ | |
| 91 | rd %tick, scr0 ;\ | |
| 92 | stx scr0, [ptr + TTRACE_ENTRY_TICK] ;\ | |
| 93 | mov typ, scr0 ;\ | |
| 94 | stb scr0, [ptr + TTRACE_ENTRY_TYPE] ;\ | |
| 95 | rdpr %tl, scr0 ;\ | |
| 96 | stb scr0, [ptr + TTRACE_ENTRY_TL] ;\ | |
| 97 | GET_ERR_GL(scr0) ;\ | |
| 98 | stb scr0, [ptr + TTRACE_ENTRY_GL] ;\ | |
| 99 | rdpr %tt, scr0 ;\ | |
| 100 | sth scr0, [ptr + TTRACE_ENTRY_TT] ;\ | |
| 101 | rdpr %tstate, scr0 ;\ | |
| 102 | stx scr0, [ptr + TTRACE_ENTRY_TSTATE] ;\ | |
| 103 | rdhpr %hpstate, scr0 ;\ | |
| 104 | mov %g0, scr1 ;\ | |
| 105 | btst HPSTATE_TLZ, scr0 ;\ | |
| 106 | bnz,a %xcc, .+8 ;\ | |
| 107 | or scr1, TTRACE_HPSTATE_TLZ, scr1 ;\ | |
| 108 | btst HPSTATE_ENB, scr0 ;\ | |
| 109 | bnz,a %xcc, .+8 ;\ | |
| 110 | or scr1, TTRACE_HPSTATE_ENB, scr1 ;\ | |
| 111 | stb scr1, [ptr + TTRACE_ENTRY_HPSTATE] ;\ | |
| 112 | rdpr %tpc, scr0 ;\ | |
| 113 | stx scr0, [ptr + TTRACE_ENTRY_TPC] | |
| 114 | /* END CSTYLED */ | |
| 115 | ||
| 116 | #define TTRACE_HPSTATE_TLZ 1 | |
| 117 | #define TTRACE_HPSTATE_ENB 2 | |
| 118 | ||
| 119 | /* BEGIN CSTYLED */ | |
| 120 | #define TTRACE_CHK_BUF(cpu, ttbufsize, label) \ | |
| 121 | ldx [cpu + CPU_TTRACEBUF_SIZE], ttbufsize ;\ | |
| 122 | brz,pn ttbufsize, label ;\ | |
| 123 | nop | |
| 124 | /* END CSTYLED */ | |
| 125 | ||
| 126 | #ifdef __cplusplus | |
| 127 | } | |
| 128 | #endif | |
| 129 | ||
| 130 | #endif /* _TRAPTRACE_H */ |