On 08:33 Mon 23 Sep , Sascha Hauer wrote:
> On Mon, Sep 23, 2013 at 06:40:25AM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > On 20:17 Sun 22 Sep , Sascha Hauer wrote:
> > > common/bootm.c | 2 ++
> > > 1 file changed, 2 insertions(+)
> > >
> > > diff --git a/common/bootm.c b/common/bootm.c
> > > index 1987a09..4e62006 100644
> > > --- a/common/bootm.c
> > > +++ b/common/bootm.c
> > > @@ -73,6 +73,8 @@ static int bootm_open_os_uimage(struct image_data *data)
> > > if (data->os_address == UIMAGE_SOME_ADDRESS)
> > > data->os_address = data->os->header.ih_load;
> > >
> > > + data->os_entry = data->os->header.ih_ep - data->os->header.ih_load;
> > > +
> > > if (data->os_address != UIMAGE_INVALID_ADDRESS) {
> > > data->os_res = uimage_load_to_sdram(data->os, 0,
> > > data->os_address);
> >
> > this does not work on INVALID_ADDRESS as this time teh ih_load is as
> > 0xffffffff and the ih_ep is relative not absolute
>
> Right. How about this one then?
>
>
> From da3192d5c763361ec08a51ebaa3cc2c3884c9827 Mon Sep 17 00:00:00 2001
> From: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> Date: Sun, 22 Sep 2013 19:51:53 +0200
> Subject: [PATCH] bootm: handle image entry point correctly
>
> This fixes starting of uImages which have an entry point other than
> the load address.
>
> The uImage format stores the entry point to the image in the ih_ep
> field. Normally it has the absolute address, so calculate the relative
> offset to the image start address and put it into data->os_entry. In
> case the uImage has a load address of 0xffffffff (UIMAGE_INVALID_ADDRESS)
> the entry point is stored relative to the image start, so just transfer
> it to data->os_address.
>
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> ---
> common/bootm.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/common/bootm.c b/common/bootm.c
> index 1987a09..16d3416 100644
> --- a/common/bootm.c
> +++ b/common/bootm.c
> @@ -73,7 +73,11 @@ static int bootm_open_os_uimage(struct image_data *data)
> if (data->os_address == UIMAGE_SOME_ADDRESS)
> data->os_address = data->os->header.ih_load;
>
> - if (data->os_address != UIMAGE_INVALID_ADDRESS) {
> + if (data->os_address == UIMAGE_INVALID_ADDRESS) {
> + data->os_entry = data->os->header.ih_ep;
> + } else {
> + data->os_entry = data->os->header.ih_ep -
> + data->os->header.ih_load;
> data->os_res = uimage_load_to_sdram(data->os, 0,
> data->os_address);
> if (!data->os_res) {
same as my patch do
Best Regards,
J.
> --
> 1.8.4.rc3
>
> --
> Pengutronix e.K. | |
> Industrial Linux Solutions | http://www.pengutronix.de/ |
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