kaif_regs.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _KAIF_REGS_H
#define _KAIF_REGS_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifndef _ASM
#include <sys/types.h>
#include <sys/regset.h>
#include <sys/stack.h>
#include <sys/kdi_impl.h>
#include <mdb/mdb_kreg_impl.h>
#include <mdb/mdb_target.h>
#include <mdb/mdb.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define KAIF_CPU_STKSZ ((MINFRAME64 * 20) + STACK_ALIGN64)
#define KAIF_NCRUMBS 5
#define KAIF_CRUMB_SRC_OBP 1
#define KAIF_CRUMB_SRC_IVEC 2
#define KAIF_CRUMB_SRC_MAIN 3
#define KAIF_CRUMB_F_MAIN_OBPWAPT 0x01
#define KAIF_CRUMB_F_MAIN_OBPPENT 0x02
#define KAIF_CRUMB_F_MAIN_NORMAL 0x04
#define KAIF_CRUMB_F_IVEC_REENTER 0x08
#define KAIF_CRUMB_F_IVEC_INOBP 0x10
#define KAIF_CRUMB_F_IVEC_NORMAL 0x20
#define KAIF_CRUMB_F_OBP_NORMAL 0x40
#define KAIF_CRUMB_F_OBP_REVECT 0x80
#ifndef _ASM
/*
* We maintain a ring buffer of bread crumbs for debugging purposes. The
* current buffer pointer is advanced along the ring with each intercepted
* trap (debugger entry, invalid memory access, etc). The structure must have a
* size equal to a multiple of 8.
*/
typedef struct kaif_crumb {
uint64_t krm_src;
uint64_t krm_pc;
uint64_t krm_tt;
uint32_t krm_flag;
uint32_t krm_pad;
} kaif_crumb_t;
/* Keep in sync with kaif_regs.in */
typedef struct kaif_cpusave {
mdb_tgt_gregset_t krs_gregs; /* Saved registers */
struct rwindow *krs_rwins; /* Saved register windows */
kfpu_t krs_fpregs; /* Saved FP registers */
kreg_t krs_tstate; /* Saved %tstate */
kreg_t krs_mmu_pcontext; /* Context # at kmdb entry */
uint_t krs_cpu_state; /* KAIF_CPU_STATE_* */
uint_t krs_cpu_flushed; /* Have caches been flushed? */
uint_t krs_cpu_id; /* this CPU's ID */
uint64_t krs_lsucr_save; /* LSUCR for wapt step */
uint32_t krs_instr_save; /* OBP instr for wapt step */
/* Bread crumb ring buffer */
uint_t krs_curcrumbidx; /* Current krs_crumbs idx */
kaif_crumb_t *krs_curcrumb; /* Current crumb */
kaif_crumb_t krs_crumbs[KAIF_NCRUMBS]; /* Crumbs */
char krs_cpustack[KAIF_CPU_STKSZ];
} kaif_cpusave_t;
#endif
#ifdef __cplusplus
}
#endif
#endif /* _KAIF_REGS_H */