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 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25 
  26 #ifndef _SYS_KDI_MACHIMPL_H
  27 #define _SYS_KDI_MACHIMPL_H
  28 
  29 #pragma ident   "%Z%%M% %I%     %E% SMI"
  30 
  31 /*
  32  * The Kernel/Debugger interface.  The operations provided by the kdi_t,
  33  * defined below, comprise the Debugger -> Kernel portion of the interface,
  34  * and are to be used only when the system has been stopped.
  35  */
  36 
  37 #include <sys/modctl.h>
  38 #include <sys/types.h>
  39 #include <sys/cpuvar.h>
  40 #include <sys/kdi_regs.h>
  41 
  42 #ifdef __cplusplus
  43 extern "C" {
  44 #endif
  45 
  46 typedef void (*kdi_main_t)(kdi_cpusave_t *);
  47 
  48 typedef struct kdi_memrange {
  49         caddr_t mr_base;
  50         caddr_t mr_lim;
  51 } kdi_memrange_t;
  52 
  53 #define KDI_MEMRANGES_MAX       2
  54 
  55 typedef struct kdi_mach {
  56         void (*mkdi_activate)(kdi_main_t, kdi_cpusave_t *, uint_t);
  57         void (*mkdi_deactivate)(void);
  58 
  59         void (*mkdi_idt_switch)(kdi_cpusave_t *);
  60 
  61         void (*mkdi_update_drreg)(kdi_drreg_t *);
  62         void (*mkdi_set_debug_msrs)(kdi_msr_t *);
  63 
  64         uintptr_t (*mkdi_get_userlimit)(void);
  65 
  66         int (*mkdi_get_cpuinfo)(uint_t *, uint_t *, uint_t *);
  67 
  68         void (*mkdi_stop_slaves)(int, int);
  69 
  70         void (*mkdi_start_slaves)(void);
  71 
  72         void (*mkdi_slave_wait)(void);
  73 
  74         void (*mkdi_memrange_add)(caddr_t, size_t);
  75 
  76         void (*mkdi_reboot)(void);
  77 } kdi_mach_t;
  78 
  79 #define mkdi_activate                   kdi_mach.mkdi_activate
  80 #define mkdi_deactivate                 kdi_mach.mkdi_deactivate
  81 #define mkdi_idt_switch                 kdi_mach.mkdi_idt_switch
  82 #define mkdi_update_drreg               kdi_mach.mkdi_update_drreg
  83 #define mkdi_set_debug_msrs             kdi_mach.mkdi_set_debug_msrs
  84 #define mkdi_get_userlimit              kdi_mach.mkdi_get_userlimit
  85 #define mkdi_get_cpuinfo                kdi_mach.mkdi_get_cpuinfo
  86 #define mkdi_stop_slaves                kdi_mach.mkdi_stop_slaves
  87 #define mkdi_start_slaves               kdi_mach.mkdi_start_slaves
  88 #define mkdi_slave_wait                 kdi_mach.mkdi_slave_wait
  89 #define mkdi_memrange_add               kdi_mach.mkdi_memrange_add
  90 #define mkdi_reboot                     kdi_mach.mkdi_reboot
  91 
  92 extern void hat_kdi_init(void);
  93 
  94 extern ulong_t kdi_getdr0(void), kdi_getdr1(void), kdi_getdr2(void);
  95 extern ulong_t kdi_getdr3(void), kdi_getdr6(void), kdi_getdr7(void);
  96 extern void kdi_setdr0(ulong_t), kdi_setdr1(ulong_t), kdi_setdr2(ulong_t);
  97 extern void kdi_setdr3(ulong_t), kdi_setdr6(ulong_t), kdi_setdr7(ulong_t);
  98 extern ulong_t kdi_dreg_get(int);
  99 extern void kdi_dreg_set(int, ulong_t);
 100 extern void kdi_update_drreg(kdi_drreg_t *);
 101 extern void kdi_set_debug_msrs(kdi_msr_t *);
 102 extern void kdi_cpu_debug_init(kdi_cpusave_t *);
 103 
 104 extern void kdi_cpu_init(void);
 105 extern void kdi_xc_others(int, void (*)(void));
 106 extern void kdi_start_slaves(void);
 107 extern void kdi_slave_wait(void);
 108 
 109 extern void kdi_idtr_set(gate_desc_t *, size_t);
 110 extern void kdi_idt_write(struct gate_desc *, uint_t);
 111 extern void kdi_idt_sync(void);
 112 extern void kdi_idt_switch(kdi_cpusave_t *);
 113 #ifdef __xpv
 114 extern void kdi_idtr_write(desctbr_t *);
 115 #else
 116 #define kdi_idtr_write(idtr) wr_idtr(idtr)
 117 #endif
 118 
 119 extern void kdi_activate(kdi_main_t, kdi_cpusave_t *, uint_t);
 120 extern void kdi_deactivate(void);
 121 extern void kdi_stop_slaves(int, int);
 122 extern void kdi_memrange_add(caddr_t, size_t);
 123 extern void kdi_reboot(void);
 124 
 125 #ifdef __cplusplus
 126 }
 127 #endif
 128 
 129 #endif /* _SYS_KDI_MACHIMPL_H */