[U-Boot] [PATCH 2/6] sandbox: Add support for bootz

Simon Glass sjg at chromium.org
Fri Feb 20 20:23:01 CET 2015


Hi Sjoerd,

On 19 February 2015 at 15:41, Sjoerd Simons
<sjoerd.simons at collabora.co.uk> wrote:
> Add dummy bootz_setup implementation allowing the u-boot sandbox to run
> bootz. This recognizes both ARM and x86 zImages to validate a valid
> zImage was loaded.
>
> Signed-off-by: Sjoerd Simons <sjoerd.simons at collabora.co.uk>
> ---
>  arch/sandbox/cpu/cpu.c | 20 ++++++++++++++++++++

Can you please split the do_bootm_linux() code out into
arch/sandbox/lib/bootm, and add your patch there?

>  1 file changed, 20 insertions(+)
>
> diff --git a/arch/sandbox/cpu/cpu.c b/arch/sandbox/cpu/cpu.c
> index 1aa397c..c71fb86 100644
> --- a/arch/sandbox/cpu/cpu.c
> +++ b/arch/sandbox/cpu/cpu.c
> @@ -7,6 +7,7 @@
>  #include <dm/root.h>
>  #include <os.h>
>  #include <asm/state.h>
> +#include <asm/io.h>
>
>  DECLARE_GLOBAL_DATA_PTR;
>
> @@ -40,6 +41,25 @@ unsigned long __attribute__((no_instrument_function)) timer_get_us(void)
>         return os_get_nsec() / 1000;
>  }
>
> +int bootz_setup(ulong image, ulong *start, ulong *end)
> +{
> +  uint8_t *zimage = (uint8_t *)map_sysmem(image, 0);

Do you need the cast?

> +  uint8_t arm_magic[] = { 0x18, 0x28, 0x6f, 0x01 };
> +
> +  if (memcmp(zimage + 0x202, "HdrS", 4) == 0) {
> +    printf ("setting up x86 zImage\n");
> +  } else if (memcmp (zimage + 0x24, arm_magic, 4) == 0) {
> +    printf ("setting up ARM zImage\n");
> +  } else {

The indentation and code style looks wrong here. Did you run patman?

> +    printf ("Unrecognized zImage\n");
> +    return 1;
> +  }
> +
> +  *start = 0xdead;
> +  *end = 0xbeef;
> +  return 0;
> +}
> +
>  int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
>  {
>         if (flag & (BOOTM_STATE_OS_GO | BOOTM_STATE_OS_FAKE_GO)) {
> --
> 2.1.4
>

Regards,
Simon


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