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From: Mike Frysinger <vapier@gentoo.org>
To: Simon Marchi <simon.marchi@polymtl.ca>
Cc: gdb-patches@sourceware.org
Subject: Re: Sim bfin build failure with gcc 11
Date: Fri, 28 May 2021 23:32:32 -0400	[thread overview]
Message-ID: <YLG10BFzN+amfu2I@vapier> (raw)
In-Reply-To: <53def67b-7cca-7d66-202c-cd0826537187@polymtl.ca>

On 28 May 2021 21:52, Simon Marchi via Gdb-patches wrote:
> On 2021-05-23 10:16 p.m., Mike Frysinger wrote:
> >  static void
> >  bfin_otp_write_page (struct bfin_otp *otp, bu16 page)
> >  {
> > -  bfin_otp_write_page_val2 (otp, page, otp->data0, otp->data1);
> > +  bfin_otp_write_page_val2 (otp, page, (bu64)otp->data1 | otp->data0,
> > +			    (bu64)otp->data3 | otp->data2);
> 
> I really don't know what this is doing but... did you mean to have some
> shifts in there?

err, yeah.  thanks.
-mike

commit f006d9e205f729aad48c0876eb8cd8feb70a6972
Author: Mike Frysinger <vapier@gentoo.org>
Date:   Fri May 28 23:29:40 2021 -0400

    sim: bfin: fix the otp fix fix
    
    Need to shift the upper 32-bits and not just combine directly with
    the lower 32-bits.

diff --git a/sim/bfin/ChangeLog b/sim/bfin/ChangeLog
index 29dfde8fe6e3..e5b644990947 100644
--- a/sim/bfin/ChangeLog
+++ b/sim/bfin/ChangeLog
@@ -1,3 +1,7 @@
+2021-05-28  Mike Frysinger  <vapier@gentoo.org>
+
+	* dv-bfin_otp.c (bfin_otp_write_page): Shift data1 & data3 by 32-bits.
+
 2021-05-23  Mike Frysinger  <vapier@gentoo.org>
 
 	* dv-bfin_otp.c (bfin_otp_write_page): Fix args to
diff --git a/sim/bfin/dv-bfin_otp.c b/sim/bfin/dv-bfin_otp.c
index cdc010ae551b..a9f768d0c0ea 100644
--- a/sim/bfin/dv-bfin_otp.c
+++ b/sim/bfin/dv-bfin_otp.c
@@ -91,8 +91,8 @@ bfin_otp_write_page_val2 (struct bfin_otp *otp, bu16 page, bu64 lo, bu64 hi)
 static void
 bfin_otp_write_page (struct bfin_otp *otp, bu16 page)
 {
-  bfin_otp_write_page_val2 (otp, page, (bu64)otp->data1 | otp->data0,
-			    (bu64)otp->data3 | otp->data2);
+  bfin_otp_write_page_val2 (otp, page, ((bu64)otp->data1 << 32) | otp->data0,
+			    ((bu64)otp->data3 << 32) | otp->data2);
 }
 
 static unsigned

      reply	other threads:[~2021-05-29  3:32 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-24  0:51 Simon Marchi
2021-05-24  1:37 ` Mike Frysinger
2021-05-24  1:41   ` Simon Marchi
2021-05-24  2:16     ` Mike Frysinger
2021-05-29  1:52       ` Simon Marchi
2021-05-29  3:32         ` Mike Frysinger [this message]

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