svn commit: r304892 - head/sys/arm64/arm64

[Andrew Turner]

Author: andrew
Date: Sat Aug 27 10:30:20 2016
New Revision: 304892
URL: https://svnweb.freebsd.org/changeset/base/304892

Log:
  Print both the kernel read and write translation in DDB when asking for
  a virtual to physical translation. These may be different, e.g. when a
  page is mapped as read-only.
  
  MFC after:	1 month
  Sponsored by:	ABT Systems Ltd

Modified:
  head/sys/arm64/arm64/machdep.c

Modified: head/sys/arm64/arm64/machdep.c
==============================================================================
--- head/sys/arm64/arm64/machdep.c	Sat Aug 27 10:04:48 2016	(r304891)
+++ head/sys/arm64/arm64/machdep.c	Sat Aug 27 10:30:20 2016	(r304892)
@@ -1089,7 +1089,9 @@ DB_SHOW_COMMAND(vtop, db_show_vtop)
 
 	if (have_addr) {
 		phys = arm64_address_translate_s1e1r(addr);
-		db_printf("Physical address reg: 0x%016lx\n", phys);
+		db_printf("Physical address reg (read):  0x%016lx\n", phys);
+		phys = arm64_address_translate_s1e1w(addr);
+		db_printf("Physical address reg (write): 0x%016lx\n", phys);
 	} else
 		db_printf("show vtop <virt_addr>\n");
 }