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>

*** 20,36 ****
   */
  
  /*
   * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _AMD64_SYS_KDI_REGS_H
  #define _AMD64_SYS_KDI_REGS_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #define KDIREG_NGREG    31
--- 20,36 ----
   */
  
  /*
   * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  *
+  * Copyright 2018 Joyent, Inc.
   */
  
  #ifndef _AMD64_SYS_KDI_REGS_H
  #define _AMD64_SYS_KDI_REGS_H
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #define KDIREG_NGREG    31
*** 73,97 ****
  
  #define KDIREG_PC       KDIREG_RIP
  #define KDIREG_SP       KDIREG_RSP
  #define KDIREG_FP       KDIREG_RBP
  
- #ifdef _ASM
- 
- /* Patch point for MSR clearing. */
- #define KDI_MSR_PATCH \
-         nop; nop; nop; nop; \
-         nop; nop; nop; nop; \
-         nop; nop; nop; nop; \
-         nop; nop; nop; nop; \
-         nop
- 
- #endif  /* _ASM */
- 
- #define KDI_MSR_PATCHOFF        8       /* bytes of code before patch point */
- #define KDI_MSR_PATCHSZ         17      /* bytes in KDI_MSR_PATCH, above */
- 
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* _AMD64_SYS_KDI_REGS_H */
--- 73,82 ----