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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Oct 2020 10:15:50.8120 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 97c62e92-dc2c-4acc-6e7c-08d86e97cb9e X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: DB5EUR03FT015.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB4499 Content-Language: en-GB Content-Type: multipart/alternative; boundary="_000_DB6PR0801MB2038207620081E154446C8E98D070DB6PR0801MB2038_" --_000_DB6PR0801MB2038207620081E154446C8E98D070DB6PR0801MB2038_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable For qemuarm64-secureboot, trusted-firmware-a needed 1024MB of memory to ope= rate when using u-boot, so an override was provided in the machine configur= ation. This is because the default BL33 load address is set to 512MB, so u-= boot always ends up overflowing without increasing the memory available. There is a possibility that this load address could be set lower later (ht= tps://lists.denx.de/pipermail/u-boot/2020-September/427616.html) but for no= w this patch is needed to make core-image-sato work on qemuarm64-secureboot= . ________________________________ From: Khem Raj Sent: 08 October 2020 23:11 To: Alexander Kanavin Cc: Brett Warren ; openembedded-core@lists.openembed= ded.org Subject: Re: [OE-core] Subject: [PATCHv2] qemuboot: change QB_MEM default = strengths someone may decide to allocate large amount of RAM to the machine as a distro policy so images should not be overwriting that unless its less than what it requires to run, On Thu, Oct 8, 2020 at 3:01 PM Alexander Kanavin = wrote: > > Can you provide a bit more context? Why is that setting desirable to hav= e in meta-arm's machine definition? > > The problem with setting QB_MEM in machine configurations is that differ= ent images need completely different amounts of memory; for some (such as p= test images) even 1024 is not enough, for others (core-image-minimal) 256 i= s plenty. The right place to set this is in the image recipes, with qemuboo= t class providing the smallest possible default. > > Alex > > On Thu, 8 Oct 2020 at 13:51, Brett Warren wrote: >> >> Do you mean instead of the machine configuration changing QB_MEM, it sh= ould be done via another image recipe? >> >> For context, I'm trying to enable the following line in qemuarm.confv (= meta-arm): >> >> QB_MEM =3D "-m 1024" >> >> This is prevented by core-image-sato.bb overriding it instead. >> >> Brett >> ________________________________ >> From: Alexander Kanavin >> Sent: 08 October 2020 12:36 >> To: Brett Warren >> Cc: openembedded-core@lists.openembedded.org >> Subject: Re: [OE-core] Subject: [PATCHv2] qemuboot: change QB_MEM defau= lt strengths >> >> Isn=92t it better to just make a custom image recipe instead? >> >> Alex >> >> On Thu 8. Oct 2020 at 12.53, Brett Warren wrote: >> >> Previously, to satisfy opengl's requirement for at least 512MB >> of memory, QB_MEM was overriden by core-image-sato. This made it >> impossible for machine configurations to specify their own values, >> so this was changed to a default asssignment. To accomodate this, >> qemuboot's default assignment of QB_MEM was changed to the week >> variant. >> >> Signed-off-by: Brett Warren >> --- >> meta/classes/qemuboot.bbclass | 2 +- >> meta/recipes-sato/images/core-image-sato.bb | 2 +- >> 2 files changed, 2 insertions(+), 2 deletions(-) >> >> diff --git a/meta/classes/qemuboot.bbclass b/meta/classes/qemuboot.bbcl= ass >> index d8f62ef6ea..8e4ee9e49b 100644 >> --- a/meta/classes/qemuboot.bbclass >> +++ b/meta/classes/qemuboot.bbclass >> @@ -73,7 +73,7 @@ >> # IMAGE_CLASSES +=3D "qemuboot" >> # See "runqemu help" for more info >> >> -QB_MEM ?=3D "-m 256" >> +QB_MEM ??=3D "-m 256" >> QB_SERIAL_OPT ?=3D "-serial mon:stdio -serial null" >> QB_DEFAULT_KERNEL ?=3D "${KERNEL_IMAGETYPE}" >> QB_DEFAULT_FSTYPE ?=3D "ext4" >> diff --git a/meta/recipes-sato/images/core-image-sato.bb b/meta/recipes= -sato/images/core-image-sato.bb >> index 673106eb6d..ec5e2e20fc 100644 >> --- a/meta/recipes-sato/images/core-image-sato.bb >> +++ b/meta/recipes-sato/images/core-image-sato.bb >> @@ -11,5 +11,5 @@ inherit core-image >> TOOLCHAIN_HOST_TASK_append =3D " nativesdk-intltool nativesdk-glib-2.0= " >> TOOLCHAIN_HOST_TASK_remove_task-populate-sdk-ext =3D " nativesdk-intlt= ool nativesdk-glib-2.0" >> >> -QB_MEM =3D '${@bb.utils.contains("DISTRO_FEATURES", "opengl", "-m 512"= , "-m 256", d)}' >> +QB_MEM ?=3D '${@bb.utils.contains("DISTRO_FEATURES", "opengl", "-m 512= ", "-m 256", d)}' >> QB_MEM_qemumips =3D "-m 256" >> -- >> 2.17.1 >> >> >> IMPORTANT NOTICE: The contents of this email and any attachments are co= nfidential and may also be privileged. If you are not the intended recipien= t, please notify the sender immediately and do not disclose the contents to= any other person, use it for any purpose, or store or copy the information= in any medium. Thank you. > > >=20 > IMPORTANT NOTICE: The contents of this email and any attachments are confi= dential and may also be privileged. If you are not the intended recipient, = please notify the sender immediately and do not disclose the contents to an= y other person, use it for any purpose, or store or copy the information in= any medium. Thank you. --_000_DB6PR0801MB2038207620081E154446C8E98D070DB6PR0801MB2038_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
For qemuarm64-secureboot, trusted-firmware-a needed 1024MB of memory to op= erate when using u-boot, so an override was provided in the machine configu= ration. This is because the default BL33 load address is set to 512MB, so u= -boot always ends up overflowing without increasing the memory available.

There is a possibility that this load address could be set lower later (https://lists.denx.de/pipermail/u-boot/2020-September/4= 27616.html) but for now this patch is needed to make core-image-sato work on qemuarm64-secureboot.
From: Khem Raj <raj.khe= m@gmail.com>
Sent: 08 October 2020 23:11
To: Alexander Kanavin <alex.kanavin@gmail.com>
Cc: Brett Warren <Brett.Warren@arm.com>; openembedded-core@li= sts.openembedded.org <openembedded-core@lists.openembedded.org>
Subject: Re: [OE-core] Subject: [PATCHv2] qemuboot: change QB_MEM d= efault strengths
 
someone may decide to allocate large amount of RA= M to the machine as a
distro policy so images should not be overwriting that unless its less
than what it requires to run,

On Thu, Oct 8, 2020 at 3:01 PM Alexander Kanavin <alex.kanavin@gmail.co= m> wrote:
>
> Can you provide a bit more context? Why is that setting desirable to = have in meta-arm's machine definition?
>
> The problem with setting QB_MEM in machine configurations is that dif= ferent images need completely different amounts of memory; for some (such a= s ptest images) even 1024 is not enough, for others (core-image-minimal) 25= 6 is plenty. The right place to set this is in the image recipes, with qemuboot class providing the smallest = possible default.
>
> Alex
>
> On Thu, 8 Oct 2020 at 13:51, Brett Warren <Brett.Warren@arm.com>= ; wrote:
>>
>> Do you mean instead of the machine configuration changing QB_MEM,= it should be done via another image recipe?
>>
>> For context, I'm trying to enable the following line in qemuarm.c= onfv (meta-arm):
>>
>> QB_MEM =3D "-m 1024"
>>
>> This is prevented by core-image-sato.bb overriding it instead. >>
>> Brett
>> ________________________________
>> From: Alexander Kanavin <alex.kanavin@gmail.com>
>> Sent: 08 October 2020 12:36
>> To: Brett Warren <Brett.Warren@arm.com>
>> Cc: openembedded-core@lists.openembedded.org <openembedded-cor= e@lists.openembedded.org>
>> Subject: Re: [OE-core] Subject: [PATCHv2] qemuboot: change QB_MEM= default strengths
>>
>> Isn=92t it better to just make a custom image recipe instead?
>>
>> Alex
>>
>> On Thu 8. Oct 2020 at 12.53, Brett Warren <brett.warren@arm.co= m> wrote:
>>
>> Previously, to satisfy opengl's requirement for at least 512MB >> of memory, QB_MEM was overriden by core-image-sato. This made it<= br> >> impossible for machine configurations to specify their own values= ,
>> so this was changed to a default asssignment. To accomodate this,=
>> qemuboot's default assignment of QB_MEM was changed to the week >> variant.
>>
>> Signed-off-by: Brett Warren <brett.warren@arm.com>
>> ---
>>  meta/classes/qemuboot.bbclass     =           | 2 +-
>>  meta/recipes-sato/images/core-image-sato.bb | 2 +-
>>  2 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/meta/classes/qemuboot.bbclass b/meta/classes/qemuboo= t.bbclass
>> index d8f62ef6ea..8e4ee9e49b 100644
>> --- a/meta/classes/qemuboot.bbclass
>> +++ b/meta/classes/qemuboot.bbclass
>> @@ -73,7 +73,7 @@
>>  # IMAGE_CLASSES +=3D "qemuboot"
>>  # See "runqemu help" for more info
>>
>> -QB_MEM ?=3D "-m 256"
>> +QB_MEM ??=3D "-m 256"
>>  QB_SERIAL_OPT ?=3D "-serial mon:stdio -serial null&quo= t;
>>  QB_DEFAULT_KERNEL ?=3D "${KERNEL_IMAGETYPE}"
>>  QB_DEFAULT_FSTYPE ?=3D "ext4"
>> diff --git a/meta/recipes-sato/images/core-image-sato.bb b/meta/r= ecipes-sato/images/core-image-sato.bb
>> index 673106eb6d..ec5e2e20fc 100644
>> --- a/meta/recipes-sato/images/core-image-sato.bb
>> +++ b/meta/recipes-sato/images/core-image-sato.bb
>> @@ -11,5 +11,5 @@ inherit core-image
>>  TOOLCHAIN_HOST_TASK_append =3D " nativesdk-intltool na= tivesdk-glib-2.0"
>>  TOOLCHAIN_HOST_TASK_remove_task-populate-sdk-ext =3D "= nativesdk-intltool nativesdk-glib-2.0"
>>
>> -QB_MEM =3D '${@bb.utils.contains("DISTRO_FEATURES", &q= uot;opengl", "-m 512", "-m 256", d)}'
>> +QB_MEM ?=3D '${@bb.utils.contains("DISTRO_FEATURES", &= quot;opengl", "-m 512", "-m 256", d)}'
>>  QB_MEM_qemumips =3D "-m 256"
>> --
>> 2.17.1
>>
>>
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IMPORTANT NOTICE: The contents of this email and any attachments are confi= dential and may also be privileged. If you are not the intended recipient, = please notify the sender immediately and do not disclose the contents to an= y other person, use it for any purpose, or store or copy the information in any medium. Thank you. --_000_DB6PR0801MB2038207620081E154446C8E98D070DB6PR0801MB2038_--