* [Buildroot] [PATCH v1 1/1] board/arm-trusted-firmware: override BL31 environment variable error
@ 2025-09-05 12:20 Neal Frager via buildroot
2025-09-10 7:50 ` Luca Ceresoli via buildroot
0 siblings, 1 reply; 3+ messages in thread
From: Neal Frager via buildroot @ 2025-09-05 12:20 UTC (permalink / raw)
To: buildroot
Cc: ibai.erkiaga-elorza, luca.ceresoli, yann.morin, brandon.maier,
ju.o, Neal Frager, thomas.petazzoni, romain.naour, michal.simek,
romain.naour
When building the arm-trusted-firmware, if the host environment has a value
configured in the BL31 variable such as the following:
export BL31=/tmp/bl31.elf
This will cause the build of the bl31.elf to be skipped leading to the
following build error:
make[1]: Nothing to be done for 'bl31'.
And then:
readelf: Error: './output/build/arm-trusted-firmware-custom/build/versal/release/bl31/bl31.elf': No such file
To fix this, clear the BL31 variable in the MAKE_OPTS, so that building the
arm-trusted-firmware will build regardless of the host environment.
Signed-off-by: Neal Frager <neal.frager@amd.com>
---
boot/arm-trusted-firmware/arm-trusted-firmware.mk | 1 +
1 file changed, 1 insertion(+)
diff --git a/boot/arm-trusted-firmware/arm-trusted-firmware.mk b/boot/arm-trusted-firmware/arm-trusted-firmware.mk
index dca16d3960..021ab5c092 100644
--- a/boot/arm-trusted-firmware/arm-trusted-firmware.mk
+++ b/boot/arm-trusted-firmware/arm-trusted-firmware.mk
@@ -162,6 +162,7 @@ endif
ifeq ($(BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31),y)
ARM_TRUSTED_FIRMWARE_MAKE_TARGETS += bl31
+ARM_TRUSTED_FIRMWARE_MAKE_OPTS += BL31=
endif
ifeq ($(BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31_UBOOT),y)
--
2.25.1
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^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [Buildroot] [PATCH v1 1/1] board/arm-trusted-firmware: override BL31 environment variable error
2025-09-05 12:20 [Buildroot] [PATCH v1 1/1] board/arm-trusted-firmware: override BL31 environment variable error Neal Frager via buildroot
@ 2025-09-10 7:50 ` Luca Ceresoli via buildroot
2025-09-10 7:56 ` Luca Ceresoli via buildroot
0 siblings, 1 reply; 3+ messages in thread
From: Luca Ceresoli via buildroot @ 2025-09-10 7:50 UTC (permalink / raw)
To: Neal Frager
Cc: yann.morin, ibai.erkiaga-elorza, buildroot, brandon.maier, ju.o,
thomas.petazzoni, romain.naour, michal.simek, romain.naour
On Fri, 5 Sep 2025 13:20:57 +0100
Neal Frager <neal.frager@amd.com> wrote:
> When building the arm-trusted-firmware, if the host environment has a value
> configured in the BL31 variable such as the following:
>
> export BL31=/tmp/bl31.elf
>
> This will cause the build of the bl31.elf to be skipped leading to the
> following build error:
>
> make[1]: Nothing to be done for 'bl31'.
> And then:
> readelf: Error: './output/build/arm-trusted-firmware-custom/build/versal/release/bl31/bl31.elf': No such file
>
> To fix this, clear the BL31 variable in the MAKE_OPTS, so that building the
> arm-trusted-firmware will build regardless of the host environment.
>
> Signed-off-by: Neal Frager <neal.frager@amd.com>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
--
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Buildroot] [PATCH v1 1/1] board/arm-trusted-firmware: override BL31 environment variable error
2025-09-10 7:50 ` Luca Ceresoli via buildroot
@ 2025-09-10 7:56 ` Luca Ceresoli via buildroot
0 siblings, 0 replies; 3+ messages in thread
From: Luca Ceresoli via buildroot @ 2025-09-10 7:56 UTC (permalink / raw)
To: Luca Ceresoli via buildroot
Cc: Luca Ceresoli, Neal Frager, yann.morin, ibai.erkiaga-elorza,
brandon.maier, ju.o, thomas.petazzoni, romain.naour, michal.simek,
romain.naour
On Wed, 10 Sep 2025 09:50:57 +0200
Luca Ceresoli via buildroot <buildroot@buildroot.org> wrote:
> On Fri, 5 Sep 2025 13:20:57 +0100
> Neal Frager <neal.frager@amd.com> wrote:
>
> > When building the arm-trusted-firmware, if the host environment has a value
> > configured in the BL31 variable such as the following:
> >
> > export BL31=/tmp/bl31.elf
> >
> > This will cause the build of the bl31.elf to be skipped leading to the
> > following build error:
> >
> > make[1]: Nothing to be done for 'bl31'.
> > And then:
> > readelf: Error: './output/build/arm-trusted-firmware-custom/build/versal/release/bl31/bl31.elf': No such file
> >
> > To fix this, clear the BL31 variable in the MAKE_OPTS, so that building the
> > arm-trusted-firmware will build regardless of the host environment.
> >
> > Signed-off-by: Neal Frager <neal.frager@amd.com>
>
> Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
>
Dang. Messed up with my mailer. Please ignore this R-by!
Apologies,
Luca
--
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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2025-09-05 12:20 [Buildroot] [PATCH v1 1/1] board/arm-trusted-firmware: override BL31 environment variable error Neal Frager via buildroot
2025-09-10 7:50 ` Luca Ceresoli via buildroot
2025-09-10 7:56 ` Luca Ceresoli via buildroot
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