From mboxrd@z Thu Jan  1 00:00:00 1970
From: Simon Glass <sjg@chromium.org>
Date: Thu, 2 May 2019 10:53:11 -0600
Subject: [U-Boot] [PATCH v2 49/50] x86: Add a way to jump from TPL to SPL
In-Reply-To: <CAEUhbmWvJevDgpWuNNi+k=zu-JXLASi0BtiPtYuXR3MojmA=_Q@mail.gmail.com>
References: <20190426035922.20596-1-sjg@chromium.org>
 <20190426035922.20596-50-sjg@chromium.org>
 <CAEUhbmWvJevDgpWuNNi+k=zu-JXLASi0BtiPtYuXR3MojmA=_Q@mail.gmail.com>
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Hi Bin,

On Wed, 1 May 2019 at 10:17, Bin Meng <bmeng.cn@gmail.com> wrote:
>
> Hi Simon,
>
> On Fri, Apr 26, 2019 at 12:00 PM Simon Glass <sjg@chromium.org> wrote:
> >
> > When TPL finishes it needs to jump to SPL with the stack set up correctly.
> > Add a function to handle this.
> >
> > Signed-off-by: Simon Glass <sjg@chromium.org>
> > ---
> >
> > Changes in v2:
> > - Add a new patch allowing jumping from TPL to SPL
> >
> >  arch/x86/cpu/start.S | 13 +++++++++++++
> >  1 file changed, 13 insertions(+)
> >
>
> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
>
> But I don't see any patch in this series that makes use of this new
> jump_to_spl()?

This is called from arch/x86/lib/tpl.c:

   x86: Add a simple TPL implementation

Regards,
Simon