[SeaBIOS] [PATCH 1/1] stacks: fix missing NMI_DISABLE_BIT on call32_post()

[Heitor Alves de Siqueira]

We should disable NMIs when accessing CMOS ports during state restore,
like it's done during state backup in call32_prep().

Signed-off-by: Heitor Alves de Siqueira 
---
 src/stacks.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/stacks.c b/src/stacks.c
index 2fe1bfbd64fd..e315066d52e8 100644
--- a/src/stacks.c
+++ b/src/stacks.c
@@ -107,7 +107,7 @@ call32_post(void)
     // Restore cmos index register
     u8 cmosindex = GET_LOW(Call16Data.cmosindex);
     if (!(cmosindex & NMI_DISABLE_BIT)) {
-        outb(cmosindex, PORT_CMOS_INDEX);
+        outb(cmosindex | NMI_DISABLE_BIT, PORT_CMOS_INDEX);
         inb(PORT_CMOS_DATA);
     }
     return method;