hypervisor/src/greatlakes/common/include/traptrace.h

/*
* ========== Copyright Header Begin ==========================================
*
* Hypervisor Software File: traptrace.h
*
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
*
*  - Do no alter or remove copyright notices
*
*  - Redistribution and use of this software in source and binary forms, with
*    or without modification, are permitted provided that the following
*    conditions are met:
*
*  - Redistribution of source code must retain the above copyright notice,
*    this list of conditions and the following disclaimer.
*
*  - Redistribution in binary form must reproduce the above copyright notice,
*    this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
*    Neither the name of Sun Microsystems, Inc. or the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
*     This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
* OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
* FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or
* intended for use in the design, construction, operation or maintenance of
* any nuclear facility.
*
* ========== Copyright Header End ============================================
*/
/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _TRAPTRACE_H
#define _TRAPTRACE_H

#pragma ident   "@(#)traptrace.h        1.5     07/05/03 SMI"

#ifdef __cplusplus
extern "C" {
#endif

#include <platform/traptrace.h>

/* BEGIN CSTYLED */
#define TTRACE_PTR(tmp, ptr, label_notconf, label_frz)  \
        VCPU_GUEST_STRUCT(tmp, ptr)                     ;\
        ldx     [ptr + GUEST_TTRACE_FRZ], ptr           ;\
        brnz,pn ptr, label_frz                          ;\
         nop                                            ;\
        ldx     [tmp + CPU_TTRACEBUF_SIZE], ptr         ;\
        brz,pn  ptr, label_notconf                      ;\
         nop                                            ;\
        ldx     [tmp + CPU_TTRACE_OFFSET], ptr          ;\
        ldx     [tmp + CPU_TTRACEBUF_PA], tmp           ;\
        add     tmp, ptr, ptr

#define TTRACE_NEXT(ptr, scr0, scr1, scr2)               \
        VCPU_STRUCT(scr0)                               ;\
        ldx     [scr0 + CPU_TTRACEBUF_SIZE], scr2       ;\
        ldx     [scr0 + CPU_TTRACEBUF_PA], scr0         ;\
        sub     ptr, scr0, scr1                         ;\
        stx     scr1, [scr0 + TTRACE_HEADER_LAST_OFF]   ;\
        add     scr1, TTRACE_RECORD_SIZE, scr1          ;\
        cmp     scr1, scr2                              ;\
        movge   %xcc, TTRACE_RECORD_SIZE, scr1          ;\
        stx     scr1, [scr0 + TTRACE_HEADER_OFFSET]     ;\
        VCPU_STRUCT(scr2)                               ;\
        stx     scr1, [scr2 + CPU_TTRACE_OFFSET]

#define TTRACE_NEXTPTR(ptr, scr0, scr1, scr2)            \
        TTRACE_NEXT(ptr, scr0, scr1, scr2)              ;\
        add     scr0, scr1, ptr

#define TTRACE_STATE(ptr, typ, scr0, scr1)               \
        rd      %tick, scr0                             ;\
        stx     scr0, [ptr + TTRACE_ENTRY_TICK]         ;\
        mov     typ, scr0                               ;\
        stb     scr0, [ptr + TTRACE_ENTRY_TYPE]         ;\
        rdpr    %tl, scr0                               ;\
        stb     scr0, [ptr + TTRACE_ENTRY_TL]           ;\
        GET_ERR_GL(scr0)                                ;\
        stb     scr0, [ptr + TTRACE_ENTRY_GL]           ;\
        rdpr    %tt, scr0                               ;\
        sth     scr0, [ptr + TTRACE_ENTRY_TT]           ;\
        rdpr    %tstate, scr0                           ;\
        stx     scr0, [ptr + TTRACE_ENTRY_TSTATE]       ;\
        rdhpr   %hpstate, scr0                          ;\
        mov     %g0, scr1                               ;\
        btst    HPSTATE_TLZ, scr0                       ;\
        bnz,a   %xcc, .+8                               ;\
         or     scr1, TTRACE_HPSTATE_TLZ, scr1          ;\
        btst    HPSTATE_ENB, scr0                       ;\
        bnz,a   %xcc, .+8                               ;\
         or     scr1, TTRACE_HPSTATE_ENB, scr1          ;\
        stb     scr1, [ptr + TTRACE_ENTRY_HPSTATE]      ;\
        rdpr    %tpc, scr0                              ;\
        stx     scr0, [ptr + TTRACE_ENTRY_TPC]
/* END CSTYLED */

#define TTRACE_HPSTATE_TLZ      1
#define TTRACE_HPSTATE_ENB      2

/* BEGIN CSTYLED */
#define TTRACE_CHK_BUF(cpu, ttbufsize, label)           \
        ldx     [cpu + CPU_TTRACEBUF_SIZE], ttbufsize   ;\
        brz,pn  ttbufsize, label                        ;\
        nop
/* END CSTYLED */

#ifdef __cplusplus
}
#endif

#endif /* _TRAPTRACE_H */