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Re: multiboot2.h & multiboot_header_tag_module_align


From: Toomas Soome
Subject: Re: multiboot2.h & multiboot_header_tag_module_align
Date: Thu, 04 Jun 2015 19:46:06 +0300

patch attached. 


Attachment: 0001-multiboot_header_tag_module_align-fix-to-confirm-mul.patch
Description: Binary data


> On 04.06.2015, at 19:36, Andrei Borzenkov <address@hidden> wrote:
> 
> В Thu, 04 Jun 2015 19:29:17 +0300
> Toomas Soome <address@hidden> пишет:
> 
>> 
>>> On 04.06.2015, at 19:19, Andrei Borzenkov <address@hidden> wrote:
>>> 
>>> В Thu, 04 Jun 2015 19:04:46 +0300
>>> Toomas Soome <address@hidden> пишет:
>>> 
>>>> 
>>>>> On 04.06.2015, at 18:31, Vladimir 'φ-coder/phcoder' Serbinenko 
>>>>> <address@hidden> wrote:
>>>>> 
>>>>> On 04.06.2015 14:18, Toomas Soome wrote:
>>>>>> hi!
>>>>>> 
>>>>>> i know this tag (multiboot_header_tag_module_align) is not really used, 
>>>>>> but it still would be nice if the copy/paste error of the actual 
>>>>>> structure would be fixed;)
>>>>>> 
>>>>> Can you propose a patch?
>>>>>> rgds,
>>>> 
>>>> as its header tag, i think following should be it; header tags have 16bit 
>>>> ints for type and flags, 32bit size and based on name, this tag is to 
>>>> request bootloader to use specified alignment, so the data field should be 
>>>> 32bit uint as well (default MULTIBOOT_MOD_ALIGN is 0x00001000).
>>>> 
>>>> diff --git a/include/multiboot2.h b/include/multiboot2.h
>>>> index 3ccff15..e3064da 100644
>>>> --- a/include/multiboot2.h
>>>> +++ b/include/multiboot2.h
>>>> @@ -156,9 +156,7 @@ struct multiboot_header_tag_module_align
>>>>  multiboot_uint16_t type;
>>>>  multiboot_uint16_t flags;
>>>>  multiboot_uint32_t size;
>>>> -  multiboot_uint32_t width;
>>>> -  multiboot_uint32_t height;
>>>> -  multiboot_uint32_t depth;
>>>> +  multiboot_uint32_t align;
>>> What about consulting multiboot2 specification? :)
>> 
>> 
>> oh right, for some reason i missed the actual specification and was 
>> stumbling on link to this broken header;)
>> 
>> this is of course the correct one 
>> (http://nongnu.askapache.com/grub/phcoder/multiboot.pdf 3.1.9 If this tag is 
>> present modules must be page aligned):
>> 
>> diff --git a/include/multiboot2.h b/include/multiboot2.h
>> index 3ccff15..9d48627 100644
>> --- a/include/multiboot2.h
>> +++ b/include/multiboot2.h
>> @@ -156,9 +156,6 @@ struct multiboot_header_tag_module_align
>>   multiboot_uint16_t type;
>>   multiboot_uint16_t flags;
>>   multiboot_uint32_t size;
>> -  multiboot_uint32_t width;
>> -  multiboot_uint32_t height;
>> -  multiboot_uint32_t depth;
>> };
>> 
>> struct multiboot_color
>> 
> 
> Could you make properly formatted git patch either as attachment or as
> git send-email?
> 
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