Dear Minkyu Kang,
Am 11.01.2011 14:00, schrieb Andreas Bießmann:
> Dear Minkyu Kang,
>
> Am 11.01.2011 11:57, schrieb Minkyu Kang:
>
>>> Regardless of the patch, if your code writes to panel_info or any other BSS
>>> variable before relocation it will trash the relocation tables that exist at
>>
Dear Minkyu Kang,
Am 11.01.2011 11:57, schrieb Minkyu Kang:
>> Regardless of the patch, if your code writes to panel_info or any other BSS
>> variable before relocation it will trash the relocation tables that exist at
>> BSS location at this point.
>>
>> IOW, accessing BSS before relocation is f
Dear Minkyu Kang,
In message you
wrote:
>
> > Reservation of video memory is a standard task in the init sequence.
> > See this section in "arch/arm/lib/board.c":
> >
> > 358 #ifdef CONFIG_LCD
> > 359 /* reserve memory for LCD display (always full pages)> */
> > 360 addr = lcd_s
On 11 January 2011 20:03, Wolfgang Denk wrote:
> Dear Minkyu Kang,
>
> In message you
> wrote:
>>
>> This problem is not belong to my code.
>> Move after relocation? it's easy.
>> but, how we can reserve the memory for LCD?
>
> Reservation of video memory is a standard task in the init sequence.
Dear Minkyu Kang,
In message you
wrote:
>
> This problem is not belong to my code.
> Move after relocation? it's easy.
> but, how we can reserve the memory for LCD?
Reservation of video memory is a standard task in the init sequence.
See this section in "arch/arm/lib/board.c":
358 #ifdef CONF
Dear Albert ARIBAUD,
On 11 January 2011 02:21, Albert ARIBAUD wrote:
> Le 10/01/2011 15:04, Minkyu Kang a écrit :
>
How about lcd_setmem function?
panel_info is located at bss area, but lcd_setmem access this structure.
Is it illegal?
>>>
>>> This must not be done before relocation
Le 10/01/2011 15:04, Minkyu Kang a écrit :
>>> How about lcd_setmem function?
>>> panel_info is located at bss area, but lcd_setmem access this structure.
>>> Is it illegal?
>>
>> This must not be done before relocation.
>
> No, please see 360 line of arch/arm/lib/board.c
> This function is called
Dear Wolfgang Denk,
On 10 January 2011 21:14, Wolfgang Denk wrote:
> Dear Minkyu Kang,
>
> In message you
> wrote:
>>
>> >> int (*test_func)(void);
>> >
>> > This results in a symbol in bss segment, right?
>> >
>> >> And then, set to NULL at arch_cpu_init()
>> >
>> > Such an assignment is illeg
Dear Minkyu Kang,
In message you
wrote:
>
> >> int (*test_func)(void);
> >
> > This results in a symbol in bss segment, right?
> >
> >> And then, set to NULL at arch_cpu_init()
> >
> > Such an assignment is illegal then. Bss has not been initalized before
> > relocation, and must not be accesse
Dear Wolfgang Denk,
On 10 January 2011 19:20, Wolfgang Denk wrote:
> Dear Minkyu Kang,
>
> In message you
> wrote:
>>
>> Declared function pointer.
>>
>> int (*test_func)(void);
>
> This results in a symbol in bss segment, right?
>
>> And then, set to NULL at arch_cpu_init()
>
> Such an assignm
Dear Minkyu Kang,
In message you
wrote:
>
> Declared function pointer.
>
> int (*test_func)(void);
This results in a symbol in bss segment, right?
> And then, set to NULL at arch_cpu_init()
Such an assignment is illegal then. Bss has not been initalized before
relocation, and must not be ac
Hello,
On 8 January 2011 19:49, Albert ARIBAUD wrote:
>>> diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S
>>> index 684f2d2..4eeb12a 100644
>>> --- a/arch/arm/cpu/armv7/start.S
>>> +++ b/arch/arm/cpu/armv7/start.S
>>> @@ -195,6 +195,8 @@ copy_loop:
>>> add r3, r3, r0
Hi Albert,
Am 09.01.2011 um 10:00 schrieb Albert ARIBAUD:
> Hi Andreas,
>
> Le 08/01/2011 17:51, Andreas Bießmann a écrit :
>> Dear Albert ARIBAUD,
>>
>> Am 08.01.2011 um 13:18 schrieb Albert ARIBAUD:
>>
>>> Le 08/01/2011 11:49, Albert ARIBAUD a écrit :
>>>
> In my investigations for 'NUL
Hi Andreas,
Le 08/01/2011 17:51, Andreas Bießmann a écrit :
> Dear Albert ARIBAUD,
>
> Am 08.01.2011 um 13:18 schrieb Albert ARIBAUD:
>
>> Le 08/01/2011 11:49, Albert ARIBAUD a écrit :
>>
In my investigations for 'NULL fixup' (-> see
http://thread.gmane.org/gmane.comp.boot-loaders.u-boo
Dear Albert ARIBAUD,
Am 08.01.2011 um 13:18 schrieb Albert ARIBAUD:
> Le 08/01/2011 11:49, Albert ARIBAUD a écrit :
>
>>> In my investigations for 'NULL fixup' (-> see
>>> http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/89864/focus=89906)
>>> pointed out that only symbols in 'absolute fix
>
> Le 08/01/2011 11:49, Albert ARIBAUD a écrit :
>
> >> In my investigations for 'NULL fixup' (-> see
> >> http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/89864/focus=89906)
> >> pointed out that only symbols in 'absolute fixup' loop could be 'NULL'
> >> if there is a not aliased/empty weak
Le 08/01/2011 11:49, Albert ARIBAUD a écrit :
>> In my investigations for 'NULL fixup' (-> see
>> http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/89864/focus=89906)
>> pointed out that only symbols in 'absolute fixup' loop could be 'NULL'
>> if there is a not aliased/empty weakly linked sym
Le 08/01/2011 11:32, Andreas Bießmann a écrit :
> Dear Minkyu Kang,
>
> Am 27.12.2010 um 11:27 schrieb Minkyu Kang:
>
>> There is possibility that pointers set to NULL before relocation.
>> In this case, system is hang, because of r0 is invalid location in RAM.
>>
>> Signed-off-by: Minkyu Kang
>> -
Dear Minkyu Kang,
Am 27.12.2010 um 11:27 schrieb Minkyu Kang:
> There is possibility that pointers set to NULL before relocation.
> In this case, system is hang, because of r0 is invalid location in RAM.
>
> Signed-off-by: Minkyu Kang
> ---
> arch/arm/cpu/armv7/start.S |3 +++
> 1 files chan
There is possibility that pointers set to NULL before relocation.
In this case, system is hang, because of r0 is invalid location in RAM.
Signed-off-by: Minkyu Kang
---
arch/arm/cpu/armv7/start.S |3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/arm/cpu/armv7/start.
20 matches
Mail list logo
