[edk2-devel] [edk2-platforms][PATCH 1/1] Platform/RPi3: allow overriding TF-A binaries during build
Ard Biesheuvel
ard.biesheuvel at arm.com
Thu Apr 30 09:01:27 UTC 2020
On 4/30/20 10:49 AM, Andrei Warkentin wrote:
> For PFTF developers working on the firmware, being able to use a
> local TF-A build without extra extra copy operations ends up being
> very helpful.
>
> This can be accomplished via a TFA_BUILD_ARTIFACTS option passed
> to the edk2 build tool.
>
> If/when the Pi 3 and 4 DSC/FDFs become unified, this will be even
> more important to trivially perform a full clean upstream build
> for either platform, without having to worry about different TF-A
> deliverables - Pi 4 uses bl31.bin, while Pi 3 uses fip.bin and bl1.bin.
>
> This is like the Pi 4 patch that went in a month ago or so.
>
> Signed-off-by: Andrei Warkentin <andrey.warkentin at gmail.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel at arm.com>
Pushed as ee999c857d283acb83d27d2b6edc8519badbfd29
Is it my fault that we are using bl1+fip on RPi3? I don't remember, but
I suppose we could easily switch to BL31 only like we have on RPI4
> ---
> Platform/RaspberryPi/RPi3/RPi3.dsc | 16 ++++++++++++++++
> Platform/RaspberryPi/RPi3/RPi3.fdf | 4 ++--
> 2 files changed, 18 insertions(+), 2 deletions(-)
>
> diff --git a/Platform/RaspberryPi/RPi3/RPi3.dsc b/Platform/RaspberryPi/RPi3/RPi3.dsc
> index 54ebfdfb..bb5e9b99 100644
> --- a/Platform/RaspberryPi/RPi3/RPi3.dsc
> +++ b/Platform/RaspberryPi/RPi3/RPi3.dsc
> @@ -33,6 +33,22 @@
> DEFINE INCLUDE_TFTP_COMMAND = FALSE
> DEFINE DEBUG_PRINT_ERROR_LEVEL = 0x8000004F
>
> +!ifndef TFA_BUILD_ARTIFACTS
> + #
> + # Default TF-A binaries checked into edk2-non-osi.
> + #
> + DEFINE TFA_BUILD_BL1 = Platform/RaspberryPi/$(PLATFORM_NAME)/TrustedFirmware/bl1.bin
> + DEFINE TFA_BUILD_FIP = Platform/RaspberryPi/$(PLATFORM_NAME)/TrustedFirmware/fip.bin
> +!else
> + #
> + # Usually we use the checked-in binaries, but for developers working
> + # on the firmware, being able to use a local TF-A build without extra copy
> + # operations ends up being very helpful.
> + #
> + DEFINE TFA_BUILD_BL1 = $(TFA_BUILD_ARTIFACTS)/bl1.bin
> + DEFINE TFA_BUILD_FIP = $(TFA_BUILD_ARTIFACTS)/fip.bin
> +!endif
> +
> ################################################################################
> #
> # Library Class section - list of all Library Classes needed by this Platform.
> diff --git a/Platform/RaspberryPi/RPi3/RPi3.fdf b/Platform/RaspberryPi/RPi3/RPi3.fdf
> index e467b5cd..11e3f5a2 100644
> --- a/Platform/RaspberryPi/RPi3/RPi3.fdf
> +++ b/Platform/RaspberryPi/RPi3/RPi3.fdf
> @@ -51,7 +51,7 @@ NumBlocks = 0x200
> # ATF primary boot image
> #
> 0x00000000|0x00010000
> -FILE = Platform/RaspberryPi/$(PLATFORM_NAME)/TrustedFirmware/bl1.bin
> +FILE = $(TFA_BUILD_BL1)
>
> #
> # DTB.
> @@ -63,7 +63,7 @@ DATA = { 0x00 }
> # ATF secondary boot image in FIP format (BL2 + BL31)
> #
> 0x00020000|0x00010000
> -FILE = Platform/RaspberryPi/$(PLATFORM_NAME)/TrustedFirmware/fip.bin
> +FILE = $(TFA_BUILD_FIP)
>
> #
> # UEFI image
>
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