[U-Boot] [PATCH v6 4/4] usb/gadget: fastboot: implement sparse format

Michael Trimarchi michael at amarulasolutions.com
Wed Aug 27 20:27:32 CEST 2014


Hi

On Wed, Aug 27, 2014 at 7:43 PM, Steve Rae <srae at broadcom.com> wrote:
> Hi Michael
>
>
> On 14-08-26 10:07 PM, Michael Trimarchi wrote:
>>
>> Hi
>>
>> Il 26/ago/2014 20:46 "Steve Rae" <srae at broadcom.com> ha scritto:
>>>
>>>
>>> - add capability to "fastboot flash" with sparse format images
>>>
>>> Signed-off-by: Steve Rae <srae at broadcom.com>
>>> Acked-by: Lukasz Majewski <l.majewski at samsung.com>
>>> ---
>>>
>>> Changes in v6:
>>> - remove excess braces
>>>
>>> Changes in v5:
>>> - use the common/aboot.c for the "sparse format" handling
>>>
>>> Changes in v4:
>>> - rearranged "sparse format" support in this patchset, in order to
>>
>> isolate...
>>>
>>>
>>> Changes in v3: None
>>> Changes in v2: None
>>>
>>>   common/Makefile |  1 +
>>>   common/fb_mmc.c | 32 ++++++++++++++++++++++----------
>>>   2 files changed, 23 insertions(+), 10 deletions(-)
>>>
>>> diff --git a/common/Makefile b/common/Makefile
>>> index daebe39..bc53078 100644
>>> --- a/common/Makefile
>>> +++ b/common/Makefile
>>> @@ -268,6 +268,7 @@ obj-y += stdio.o
>>>
>>>   # This option is not just y/n - it can have a numeric value
>>>   ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV
>>> +obj-y += aboot.o
>>>   obj-y += fb_mmc.o
>>>   endif
>>>
>>> diff --git a/common/fb_mmc.c b/common/fb_mmc.c
>>> index 14d3982..fb06d8a 100644
>>> --- a/common/fb_mmc.c
>>> +++ b/common/fb_mmc.c
>>> @@ -7,16 +7,24 @@
>>>   #include <common.h>
>>>   #include <fb_mmc.h>
>>>   #include <part.h>
>>> +#include <aboot.h>
>>> +#include <sparse_format.h>
>>>
>>>   /* The 64 defined bytes plus the '\0' */
>>>   #define RESPONSE_LEN   (64 + 1)
>>>
>>>   static char *response_str;
>>>
>>> -static void fastboot_resp(const char *s)
>>> +void fastboot_fail(const char *s)
>>>   {
>>> -       strncpy(response_str, s, RESPONSE_LEN);
>>> -       response_str[RESPONSE_LEN - 1] = '\0';
>>> +       strncpy(response_str, "FAIL", 4);
>>> +       strncat(response_str, s, RESPONSE_LEN - 4 - 1);
>>> +}
>>> +
>>
>>
>> Change not connect to bug description. If you remove static this should go
>> in some header. For now it's only overhead.
>
>
> Sorry for the confusion....
> (1) the file "include/aboot.h" defines these two functions, and is part of
> the patchset that this series depends on (as documented in the cover
> letter):
>         This series depends on:
>           http://patchwork.ozlabs.org/patch/382443/ (to 382446)
> (2) this is the implementation of those functions that are required by that
> patchset
> (3) so I thought the the commit message was sufficient -- implying that in
> order to implement the "sparse format" (from aboot.c) that these changes are
> required...
> If required, I could submit a "v7" with more information in the commit
> message....
> Please let me know!

No it's fine. Sorry

Michael

> Thanks, Steve
>
>
>>
>>> +void fastboot_okay(const char *s)
>>> +{
>>> +       strncpy(response_str, "OKAY", 4);
>>> +       strncat(response_str, s, RESPONSE_LEN - 4 - 1);
>>>   }
>>>
>>
>> Ditto
>>
>> Michael
>>
>>>   static void write_raw_image(block_dev_desc_t *dev_desc,
>>> disk_partition_t
>>
>> *info,
>>>
>>> @@ -32,7 +40,7 @@ static void write_raw_image(block_dev_desc_t *dev_desc,
>>
>> disk_partition_t *info,
>>>
>>>
>>>          if (blkcnt > info->size) {
>>>                  error("too large for partition: '%s'\n", part_name);
>>> -               fastboot_resp("FAILtoo large for partition");
>>> +               fastboot_fail("too large for partition");
>>>                  return;
>>>          }
>>>
>>> @@ -42,13 +50,13 @@ static void write_raw_image(block_dev_desc_t
>>
>> *dev_desc, disk_partition_t *info,
>>>
>>>                                       buffer);
>>>          if (blks != blkcnt) {
>>>                  error("failed writing to device %d\n", dev_desc->dev);
>>> -               fastboot_resp("FAILfailed writing to device");
>>> +               fastboot_fail("failed writing to device");
>>>                  return;
>>>          }
>>>
>>>          printf("........ wrote " LBAFU " bytes to '%s'\n", blkcnt *
>>
>> info->blksz,
>>>
>>>                 part_name);
>>> -       fastboot_resp("OKAY");
>>> +       fastboot_okay("");
>>>   }
>>>
>>>   void fb_mmc_flash_write(const char *cmd, void *download_buffer,
>>> @@ -64,17 +72,21 @@ void fb_mmc_flash_write(const char *cmd, void
>>
>> *download_buffer,
>>>
>>>          dev_desc = get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV);
>>>          if (!dev_desc || dev_desc->type == DEV_TYPE_UNKNOWN) {
>>>                  error("invalid mmc device\n");
>>> -               fastboot_resp("FAILinvalid mmc device");
>>> +               fastboot_fail("invalid mmc device");
>>>                  return;
>>>          }
>>>
>>>          ret = get_partition_info_efi_by_name(dev_desc, cmd, &info);
>>>          if (ret) {
>>>                  error("cannot find partition: '%s'\n", cmd);
>>> -               fastboot_resp("FAILcannot find partition");
>>> +               fastboot_fail("cannot find partition");
>>>                  return;
>>>          }
>>>
>>> -       write_raw_image(dev_desc, &info, cmd, download_buffer,
>>> -                       download_bytes);
>>> +       if (is_sparse_image(download_buffer))
>>> +               write_sparse_image(dev_desc, &info, cmd, download_buffer,
>>> +                                  download_bytes);
>>> +       else
>>> +               write_raw_image(dev_desc, &info, cmd, download_buffer,
>>> +                               download_bytes);
>>>   }
>>> --
>>> 1.8.5
>>>
>>> _______________________________________________
>>> U-Boot mailing list
>>> U-Boot at lists.denx.de
>>> http://lists.denx.de/mailman/listinfo/u-boot
>>
>>
>



-- 
| Michael Nazzareno Trimarchi                     Amarula Solutions BV |
| COO  -  Founder                                      Cruquiuskade 47 |
| +31(0)851119172                                 Amsterdam 1018 AM NL |
|                  [`as] http://www.amarulasolutions.com               |


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