[U-Boot] [PATCH] rockchip: make_fit_atf.py: fix loadables property set error

[Mark Kettenis]

> From: Kever Yang <kever.yang at rock-chips.com>
> Date: Fri, 5 Jul 2019 19:38:42 +0800
> 
> Hi Christoph,
> 
> 
> On 07/05/2019 05:15 PM, Christoph Müllner wrote:
> >
> > On 04.07.19 11:44, Andy Yan wrote:
> >> Commit b238e4b00ced ("rockchip: Cleanup of make_fit_atf.py.") set
> >> firmware = "atf_1";
> >> loadables = "uboot","atf_1","atf_2";
> >>
> >> Actually it should be:
> >> firmware = "atf_1";
> >> loadables = "uboot","atf_2","atf_3";
> > Does "atf_1" not need to be among loadables as well?
> 
> The "atf_1" not need to be among loadables, or else it will be loaded twice.
> The loadables suppose to be those firmware not have a entry but need to
> load by SPL.
> > My version of the script produces:
> >
> > loadables = "uboot","atf_1","atf_2","atf_3";
> >
> > And with that I was able to boot mainline ATF.
> 
> The mainline ATF now have 4 segments instead of 3, I don't know why
> there is a stand alone 'GNU_STACK' section, so it's able to boot there is
> one extra segment help, it loads all atf_1, atf_2 and atf_3. Rockchip elf
> and older mainline ATF do not have the extra 'GNU_STACK' section, and
> the last atf_3 is not loaded, which lead to the ATF not able to run.
> Program Headers:
>   Type           Offset             VirtAddr           PhysAddr
>                  FileSiz            MemSiz              Flags Align
>   LOAD           0x0000000000000000 0x0000000000000000 0x0000000000000000
>                  0x0000000000014058 0x0000000000044000  RWE 10000
>   LOAD           0x0000000000020000 0x00000000ff3b0000 0x00000000ff3b0000
>                  0x0000000000001f58 0x0000000000001f58  RWE 10000
>   LOAD           0x0000000000030000 0x00000000ff8c0000 0x00000000ff8c0000
>                  0x0000000000002000 0x0000000000003000  RWE 10000
>   GNU_STACK      0x0000000000000000 0x0000000000000000 0x0000000000000000
>                  0x0000000000000000 0x0000000000000000  RW     10
> 
> I will apply this patch as a fix.

That GNU_STACK segment is produced by your toolchain.  It doesn't
really make sense to have it for standalone binaries like ATF, and
there is no reason to load it.  Not all toolchains produce a GNU_STACK
section.

But the make_fit_atf.py script already checks that the segment type is
PT_LOAD, so I don't understand what you're trying to fix here.  For me
things seem to work fine with mainline u-boot and ATF 2.1 on both the
rock64e and rockpro64.

> >> Signed-off-by: Andy Yan <andy.yan at rock-chips.com>
> >> ---
> >>
> >>  arch/arm/mach-rockchip/make_fit_atf.py | 2 +-
> >>  1 file changed, 1 insertion(+), 1 deletion(-)
> >>
> >> diff --git a/arch/arm/mach-rockchip/make_fit_atf.py b/arch/arm/mach-rockchip/make_fit_atf.py
> >> index 45ec105887..db0ae96ca8 100755
> >> --- a/arch/arm/mach-rockchip/make_fit_atf.py
> >> +++ b/arch/arm/mach-rockchip/make_fit_atf.py
> >> @@ -94,7 +94,7 @@ def append_conf_section(file, cnt, dtname, segments):
> >>      if segments != 0:
> >>          file.write(',')
> >>      for i in range(1, segments):
> >> -        file.write('"atf_%d"' % (i))
> >> +        file.write('"atf_%d"' % (i + 1))
> >>          if i != (segments - 1):
> >>              file.write(',')
> >>          else:
> >>
> 
> 
> 
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