update copyright year range in GDB files

[thirdparty/binutils-gdb.git] / sim / bfin / dv-bfin_rtc.c

diff --git a/sim/bfin/dv-bfin_rtc.c b/sim/bfin/dv-bfin_rtc.c
index 6d8aa3d5a4ebbaad64466c348af976ed6162b179..5a544adab165da50199dba9a12b3a2ffe20565de 100644 (file)
--- a/sim/bfin/dv-bfin_rtc.c
+++ b/sim/bfin/dv-bfin_rtc.c
@@ -1,6 +1,6 @@
 /* Blackfin Real Time Clock (RTC) model.
 
-   Copyright (C) 2010-2011 Free Software Foundation, Inc.
+   Copyright (C) 2010-2017 Free Software Foundation, Inc.
    Contributed by Analog Devices, Inc.
 
    This file is part of simulators.
@@ -44,7 +44,8 @@ struct bfin_rtc
 #define mmr_base()      offsetof(struct bfin_rtc, stat)
 #define mmr_offset(mmr) (offsetof(struct bfin_rtc, mmr) - mmr_base())
 
-static const char * const mmr_names[] = {
+static const char * const mmr_names[] =
+{
   "RTC_STAT", "RTC_ICTL", "RTC_ISTAT", "RTC_SWCNT", "RTC_ALARM", "RTC_PREN",
 };
 #define mmr_name(off) mmr_names[(off) / 4]
@@ -60,6 +61,10 @@ bfin_rtc_io_write_buffer (struct hw *me, const void *source,
   bu32 *value32p;
   void *valuep;
 
+  /* Invalid access mode is higher priority than missing register.  */
+  if (!dv_bfin_mmr_require_16_32 (me, addr, nr_bytes, true))
+    return 0;
+
   if (nr_bytes == 4)
     value = dv_load_4 (source);
   else
@@ -79,7 +84,7 @@ bfin_rtc_io_write_buffer (struct hw *me, const void *source,
       /* XXX: Ignore these since we are wired to host.  */
       break;
     case mmr_offset(istat):
-      dv_w1c_2 (value16p, value, 1 << 14);
+      dv_w1c_2 (value16p, value, ~(1 << 14));
       break;
     case mmr_offset(alarm):
       break;
@@ -103,6 +108,10 @@ bfin_rtc_io_read_buffer (struct hw *me, void *dest,
   bu32 *value32p;
   void *valuep;
 
+  /* Invalid access mode is higher priority than missing register.  */
+  if (!dv_bfin_mmr_require_16_32 (me, addr, nr_bytes, false))
+    return 0;
+
   mmr_off = addr - rtc->base;
   valuep = (void *)((unsigned long)rtc + mmr_base() + mmr_off);
   value16p = valuep;
@@ -138,7 +147,8 @@ bfin_rtc_io_read_buffer (struct hw *me, void *dest,
   return nr_bytes;
 }
 
-static const struct hw_port_descriptor bfin_rtc_ports[] = {
+static const struct hw_port_descriptor bfin_rtc_ports[] =
+{
   { "rtc", 0, 0, output_port, },
   { NULL, 0, 0, 0, },
 };
@@ -188,7 +198,8 @@ bfin_rtc_finish (struct hw *me)
   /* Initialize the RTC.  */
 }
 
-const struct hw_descriptor dv_bfin_rtc_descriptor[] = {
+const struct hw_descriptor dv_bfin_rtc_descriptor[] =
+{
   {"bfin_rtc", bfin_rtc_finish,},
   {NULL, NULL},
 };