[U-Boot] [PATCH] RISC-V: Align boot image header with Linux.

Atish Patra Atish.Patra at wdc.com
Wed Oct 9 17:35:33 UTC 2019


On Wed, 2019-10-09 at 09:47 +0800, Bin Meng wrote:
> On Wed, Oct 9, 2019 at 9:15 AM Atish Patra <atish.patra at wdc.com>
> wrote:
> 
> nits: please remove the ending period in the commit summary
> 
> > The release linux boot image header in v5.3 is different from the
> 
> nits: Linux
> 
> > one present in U-boot. Align the header with the new version. The
> 
> nits: U-Boot
> 
> > changes in Linux are backward compatible. Previous u-boot releases
> 
> nits: U-Boot
> 
> > with older header will continue to work as well. As v5.3 kernel is
> > the first one to support image header, there is no compatibility
> > issue between new U-boot (with this patch) and older kernel.
> 
> nits: U-Boot
> 

Sorry for not following U-Boot naming conventionl. Fixed all the
comments and sent a v2.

> > Signed-off-by: Atish Patra <atish.patra at wdc.com>
> > ---
> >  arch/riscv/lib/image.c | 11 ++++++-----
> >  1 file changed, 6 insertions(+), 5 deletions(-)
> > 
> > diff --git a/arch/riscv/lib/image.c b/arch/riscv/lib/image.c
> > index d063beb7dfbe..41fca5939020 100644
> > --- a/arch/riscv/lib/image.c
> > +++ b/arch/riscv/lib/image.c
> > @@ -14,20 +14,21 @@
> > 
> >  DECLARE_GLOBAL_DATA_PTR;
> > 
> > -/* ASCII version of "RISCV" defined in Linux kernel */
> > -#define LINUX_RISCV_IMAGE_MAGIC 0x5643534952
> > +/* ASCII version of "RSC\0x5" defined in Linux kernel */
> > +#define LINUX_RISCV_IMAGE_MAGIC 0x05435352
> > 
> >  struct linux_image_h {
> >         uint32_t        code0;          /* Executable code */
> >         uint32_t        code1;          /* Executable code */
> >         uint64_t        text_offset;    /* Image load offset */
> >         uint64_t        image_size;     /* Effective Image size */
> > -       uint64_t        res1;           /* reserved */
> > +       uint64_t        flags;          /* kernel flags(little
> > endian) */
> 
> need have a space before (little endian)
> 
> > +       uint32_t        version;        /* version of the header */
> > +       uint32_t        res1;           /* reserved */
> >         uint64_t        res2;           /* reserved */
> >         uint64_t        res3;           /* reserved */
> > -       uint64_t        magic;          /* Magic number */
> > +       uint32_t        magic;          /* Magic number */
> >         uint32_t        res4;           /* reserved */
> > -       uint32_t        res5;           /* reserved */
> >  };
> > 
> >  int booti_setup(ulong image, ulong *relocated_addr, ulong *size,
> > --
> 
> Regards,
> Bin

-- 
Regards,
Atish


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