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Re: [Xen-devel] [PATCH V4 06/15] Add efi_arch_handle_cmdline() for processing commandline



On Thu, Sep 11, 2014 at 7:22 AM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>>>> On 10.09.14 at 02:51, <roy.franz@xxxxxxxxxx> wrote:
>> @@ -786,19 +786,6 @@ efi_start(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE 
>> *SystemTable)
>>          efi_bs->FreePool(name.w);
>>      }
>>
>> -    name.s = get_value(&cfg, section.s, "options");
>> -    if ( name.s )
>> -        place_string(&mbi.cmdline, name.s);
>> -    /* Insert image name last, as it gets prefixed to the other options. */
>> -    if ( argc )
>> -    {
>> -        name.w = *argv;
>> -        w2s(&name);
>> -    }
>> -    else
>> -        name.s = "xen";
>> -    place_string(&mbi.cmdline, name.s);
>> -
>>      cols = rows = depth = 0;
>>      if ( !base_video )
>>      {
>> @@ -817,6 +804,9 @@ efi_start(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE 
>> *SystemTable)
>>          }
>>      }
>>
>> +    name.s = get_value(&cfg, section.s, "options");
>> +    efi_arch_handle_cmdline(argc ? *argv : NULL, options, name.s);
>> +
>>      efi_bs->FreePages(cfg.addr, PFN_UP(cfg.size));
>>      cfg.addr = 0;
>>
>
> Again - is there a particular reason to move this down?
No, I will move it to the location of the code that was removed.

>
>> --- a/xen/include/asm-x86/efi-boot.h
>> +++ b/xen/include/asm-x86/efi-boot.h
>> @@ -607,3 +607,37 @@ static void __init efi_arch_cfg_file(EFI_FILE_HANDLE
>> dir_handle, char *section)
>>          efi_bs->FreePool(name.w);
>>      }
>>  }
>> +
>> +static void __init efi_arch_handle_cmdline(CHAR16 *image_name,
>> +                                           CHAR16 *cmdline_options,
>> +                                           char *cfgfile_options)
>> +{
>> +    union string name;
>> +
>> +    if ( cmdline_options )
>> +    {
>> +        name.w = cmdline_options;
>> +        w2s(&name);
>> +        place_string(&mbi.cmdline, name.s);
>> +    }
>> +    if ( cfgfile_options )
>> +        place_string(&mbi.cmdline, cfgfile_options);
>> +    /* Insert image name last, as it gets prefixed to the other options. */
>> +    if ( image_name )
>> +    {
>> +        name.w = image_name;
>> +        w2s(&name);
>> +    }
>> +    else
>> +        name.s = "xen";
>> +    place_string(&mbi.cmdline, name.s);
>> +
>> +    if ( mbi.cmdline )
>> +        mbi.flags |= MBI_CMDLINE;
>> +    /*
>> +     * These must not be initialized statically, since the value must
>> +     * not get relocated when processing base relocations below.
>> +     */
>
> The "below" here will need adjustment now that this doesn't live in
> the same function anymore.
I'll fix this.

>
> Jan
>

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