usr/src/uts/intel/sys/kdi_machimpl.h

   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  * Copyright 2018 Joyent, Inc.
  26  */
  27
  28 #ifndef _SYS_KDI_MACHIMPL_H
  29 #define _SYS_KDI_MACHIMPL_H
  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
  63         uintptr_t (*mkdi_get_userlimit)(void);
  64
  65         int (*mkdi_get_cpuinfo)(uint_t *, uint_t *, uint_t *);
  66
  67         void (*mkdi_stop_slaves)(int, int);
  68
  69         void (*mkdi_start_slaves)(void);
  70
  71         void (*mkdi_slave_wait)(void);
  72
  73         void (*mkdi_memrange_add)(caddr_t, size_t);
  74
  75         void (*mkdi_reboot)(void);
  76 } kdi_mach_t;
  77
  78 #define mkdi_activate                   kdi_mach.mkdi_activate
  79 #define mkdi_deactivate                 kdi_mach.mkdi_deactivate
  80 #define mkdi_idt_switch                 kdi_mach.mkdi_idt_switch
  81 #define mkdi_update_drreg               kdi_mach.mkdi_update_drreg
  82 #define mkdi_get_userlimit              kdi_mach.mkdi_get_userlimit
  83 #define mkdi_get_cpuinfo                kdi_mach.mkdi_get_cpuinfo
  84 #define mkdi_stop_slaves                kdi_mach.mkdi_stop_slaves
  85 #define mkdi_start_slaves               kdi_mach.mkdi_start_slaves
  86 #define mkdi_slave_wait                 kdi_mach.mkdi_slave_wait
  87 #define mkdi_memrange_add               kdi_mach.mkdi_memrange_add
  88 #define mkdi_reboot                     kdi_mach.mkdi_reboot
  89
  90 extern void hat_kdi_init(void);
  91
  92 extern ulong_t kdi_getdr0(void), kdi_getdr1(void), kdi_getdr2(void);
  93 extern ulong_t kdi_getdr3(void), kdi_getdr6(void), kdi_getdr7(void);
  94 extern void kdi_setdr0(ulong_t), kdi_setdr1(ulong_t), kdi_setdr2(ulong_t);
  95 extern void kdi_setdr3(ulong_t), kdi_setdr6(ulong_t), kdi_setdr7(ulong_t);
  96 extern ulong_t kdi_dreg_get(int);
  97 extern void kdi_dreg_set(int, ulong_t);
  98 extern void kdi_update_drreg(kdi_drreg_t *);
  99 extern void kdi_cpu_debug_init(kdi_cpusave_t *);
 100
 101 extern void kdi_cpu_init(void);
 102 extern void kdi_xc_others(int, void (*)(void));
 103 extern void kdi_start_slaves(void);
 104 extern void kdi_slave_wait(void);
 105
 106 extern void kdi_idtr_set(gate_desc_t *, size_t);
 107 extern void kdi_idt_write(struct gate_desc *, uint_t);
 108 extern void kdi_idt_sync(void);
 109 extern void kdi_idt_switch(kdi_cpusave_t *);
 110 #ifdef __xpv
 111 extern void kdi_idtr_write(desctbr_t *);
 112 #else
 113 #define kdi_idtr_write(idtr) wr_idtr(idtr)
 114 #endif
 115
 116 extern void kdi_activate(kdi_main_t, kdi_cpusave_t *, uint_t);
 117 extern void kdi_deactivate(void);
 118 extern void kdi_stop_slaves(int, int);
 119 extern void kdi_memrange_add(caddr_t, size_t);
 120 extern void kdi_reboot(void);
 121
 122 #ifdef __cplusplus
 123 }
 124 #endif
 125
 126 #endif /* _SYS_KDI_MACHIMPL_H */