1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _KAIF_REGS_H 27 #define _KAIF_REGS_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #ifndef _ASM 32 #include <sys/types.h> 33 #include <sys/regset.h> 34 #include <sys/stack.h> 35 #include <sys/kdi_impl.h> 36 37 #include <mdb/mdb_kreg_impl.h> 38 #include <mdb/mdb_target.h> 39 #include <mdb/mdb.h> 40 #endif 41 42 #ifdef __cplusplus 43 extern "C" { 44 #endif 45 46 #define KAIF_CPU_STKSZ ((MINFRAME64 * 20) + STACK_ALIGN64) 47 48 #define KAIF_NCRUMBS 5 49 50 #define KAIF_CRUMB_SRC_OBP 1 51 #define KAIF_CRUMB_SRC_IVEC 2 52 #define KAIF_CRUMB_SRC_MAIN 3 53 54 #define KAIF_CRUMB_F_MAIN_OBPWAPT 0x01 55 #define KAIF_CRUMB_F_MAIN_OBPPENT 0x02 56 #define KAIF_CRUMB_F_MAIN_NORMAL 0x04 57 58 #define KAIF_CRUMB_F_IVEC_REENTER 0x08 59 #define KAIF_CRUMB_F_IVEC_INOBP 0x10 60 #define KAIF_CRUMB_F_IVEC_NORMAL 0x20 61 62 #define KAIF_CRUMB_F_OBP_NORMAL 0x40 63 #define KAIF_CRUMB_F_OBP_REVECT 0x80 64 65 #ifndef _ASM 66 67 /* 68 * We maintain a ring buffer of bread crumbs for debugging purposes. The 69 * current buffer pointer is advanced along the ring with each intercepted 70 * trap (debugger entry, invalid memory access, etc). The structure must have a 71 * size equal to a multiple of 8. 72 */ 73 typedef struct kaif_crumb { 74 uint64_t krm_src; 75 uint64_t krm_pc; 76 uint64_t krm_tt; 77 uint32_t krm_flag; 78 uint32_t krm_pad; 79 } kaif_crumb_t; 80 81 /* Keep in sync with kaif_regs.in */ 82 typedef struct kaif_cpusave { 83 mdb_tgt_gregset_t krs_gregs; /* Saved registers */ 84 struct rwindow *krs_rwins; /* Saved register windows */ 85 kfpu_t krs_fpregs; /* Saved FP registers */ 86 87 kreg_t krs_tstate; /* Saved %tstate */ 88 kreg_t krs_mmu_pcontext; /* Context # at kmdb entry */ 89 90 uint_t krs_cpu_state; /* KAIF_CPU_STATE_* */ 91 uint_t krs_cpu_flushed; /* Have caches been flushed? */ 92 uint_t krs_cpu_id; /* this CPU's ID */ 93 uint_t krs_cpu_acked; /* for slave to ack master */ 94 95 uint64_t krs_lsucr_save; /* LSUCR for wapt step */ 96 uint32_t krs_instr_save; /* OBP instr for wapt step */ 97 98 /* Bread crumb ring buffer */ 99 uint_t krs_curcrumbidx; /* Current krs_crumbs idx */ 100 kaif_crumb_t *krs_curcrumb; /* Current crumb */ 101 kaif_crumb_t krs_crumbs[KAIF_NCRUMBS]; /* Crumbs */ 102 103 char krs_cpustack[KAIF_CPU_STKSZ]; 104 } kaif_cpusave_t; 105 #endif 106 107 #ifdef __cplusplus 108 } 109 #endif 110 111 #endif /* _KAIF_REGS_H */ 112