fix BCD mask for date (Solaris 2.5 guest hang fix)

Fix BCD mask for date. The most visible effect of this patch is
Solaris 2.5.1 doesn't hang at boot if the day of month is >21.

Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

diff --git a/hw/m48t59.c b/hw/m48t59.c
index 60bbb00946e2a25453268bffbf2080299b763670..0c50f450ad1eb4206bae6bae40fef8cb603d9096 100644 (file)
--- a/hw/m48t59.c
+++ b/hw/m48t59.c
@@ -239,7 +239,7 @@ void m48t59_write (void *opaque, uint32_t addr, uint32_t val)
         break;
     case 0x1FF5:
         /* alarm date */
-        tmp = from_bcd(val & 0x1F);
+        tmp = from_bcd(val & 0x3F);
         if (tmp != 0) {
             NVRAM->alarm.tm_mday = tmp;
             NVRAM->buffer[0x1FF5] = val;
@@ -310,8 +310,8 @@ void m48t59_write (void *opaque, uint32_t addr, uint32_t val)
         break;
     case 0x1FFD:
     case 0x07FD:
-        /* date */
-       tmp = from_bcd(val & 0x1F);
+        /* date (BCD) */
+       tmp = from_bcd(val & 0x3F);
        if (tmp != 0) {
            get_time(NVRAM, &tm);
            tm.tm_mday = tmp;