9210 remove KMDB branch debugging support
9211 ::crregs could do with cr2/cr3 support
9209 ::ttrace should be able to filter by thread
Reviewed by: Patrick Mooney <patrick.mooney@joyent.com>

*** 19,35 ****
   * CDDL HEADER END
   */
  /*
   * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _SYS_KDI_MACHIMPL_H
  #define _SYS_KDI_MACHIMPL_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  /*
   * The Kernel/Debugger interface.  The operations provided by the kdi_t,
   * defined below, comprise the Debugger -> Kernel portion of the interface,
   * and are to be used only when the system has been stopped.
   */
--- 19,35 ----
   * CDDL HEADER END
   */
  /*
   * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  *
+  * Copyright 2018 Joyent, Inc.
   */
  
  #ifndef _SYS_KDI_MACHIMPL_H
  #define _SYS_KDI_MACHIMPL_H
  
  /*
   * The Kernel/Debugger interface.  The operations provided by the kdi_t,
   * defined below, comprise the Debugger -> Kernel portion of the interface,
   * and are to be used only when the system has been stopped.
   */
*** 57,67 ****
          void (*mkdi_deactivate)(void);
  
          void (*mkdi_idt_switch)(kdi_cpusave_t *);
  
          void (*mkdi_update_drreg)(kdi_drreg_t *);
-         void (*mkdi_set_debug_msrs)(kdi_msr_t *);
  
          uintptr_t (*mkdi_get_userlimit)(void);
  
          int (*mkdi_get_cpuinfo)(uint_t *, uint_t *, uint_t *);
  
--- 57,66 ----
*** 78,88 ****
  
  #define mkdi_activate                   kdi_mach.mkdi_activate
  #define mkdi_deactivate                 kdi_mach.mkdi_deactivate
  #define mkdi_idt_switch                 kdi_mach.mkdi_idt_switch
  #define mkdi_update_drreg               kdi_mach.mkdi_update_drreg
- #define mkdi_set_debug_msrs             kdi_mach.mkdi_set_debug_msrs
  #define mkdi_get_userlimit              kdi_mach.mkdi_get_userlimit
  #define mkdi_get_cpuinfo                kdi_mach.mkdi_get_cpuinfo
  #define mkdi_stop_slaves                kdi_mach.mkdi_stop_slaves
  #define mkdi_start_slaves               kdi_mach.mkdi_start_slaves
  #define mkdi_slave_wait                 kdi_mach.mkdi_slave_wait
--- 77,86 ----
*** 96,106 ****
  extern void kdi_setdr0(ulong_t), kdi_setdr1(ulong_t), kdi_setdr2(ulong_t);
  extern void kdi_setdr3(ulong_t), kdi_setdr6(ulong_t), kdi_setdr7(ulong_t);
  extern ulong_t kdi_dreg_get(int);
  extern void kdi_dreg_set(int, ulong_t);
  extern void kdi_update_drreg(kdi_drreg_t *);
- extern void kdi_set_debug_msrs(kdi_msr_t *);
  extern void kdi_cpu_debug_init(kdi_cpusave_t *);
  
  extern void kdi_cpu_init(void);
  extern void kdi_xc_others(int, void (*)(void));
  extern void kdi_start_slaves(void);
--- 94,103 ----