diff --git a/VAX/vax610_sysdev.c b/VAX/vax610_sysdev.c
index 040edf50..157cf550 100644
--- a/VAX/vax610_sysdev.c
+++ b/VAX/vax610_sysdev.c
@@ -97,6 +97,7 @@ REG sysd_reg[] = {
     { HRDATA (CONISP, conisp, 32) },
     { HRDATA (CONPC, conpc, 32) },
     { HRDATA (CONPSL, conpsl, 32) },
+    { BRDATA (BOOTCMD, cpu_boot_cmd, 16, 8, CBUFSIZE), REG_HRO },
     { NULL }
     };
 
diff --git a/VAX/vax750_cmi.c b/VAX/vax750_cmi.c
index 8fe72bd7..08bc9859 100644
--- a/VAX/vax750_cmi.c
+++ b/VAX/vax750_cmi.c
@@ -150,6 +150,7 @@ REG cmi_reg[] = {
     { HRDATA (NREQ16, nexus_req[2], 16) },
     { HRDATA (NREQ17, nexus_req[3], 16) },
     { HRDATA (CMIERR, cmi_err, 32) },
+    { BRDATA (BOOTCMD, cpu_boot_cmd, 16, 8, CBUFSIZE), REG_HRO },
     { NULL }
     };