Hi,

On 2/14/20 2:19 PM, Michael Olbrich wrote:
> On Wed, Feb 12, 2020 at 05:40:33PM +0100, Ahmad Fatoum wrote:
>> Trusted Firmware-A (TF-A) is a reference implementation of secure world
>> software for Arm A-Profile architectures (Armv8-A and Armv7-A).
>>
>> Cc: Alejandro Vazquez <[email protected]>
>> Signed-off-by: Rouven Czerwinski <[email protected]>
>> Signed-off-by: Ahmad Fatoum <[email protected]>
>> ---
>> v1 -> v2:
>>  - Made TF_A_ARCH_MAJOR configurable to support 32 bit ARMv8 (Guillermo)
>>  - Replaces stm32mp-specific TF_A_DTB with TF_A_EXTRA_ARGS to contain
>>    all board/vendor specific options
>>  - removed reference to no longer existing CREDITS file
>>  - removed TF_A_MAKE_OPT contents that are set elsewhere
>>  - reduced uses of += in favor of directly appending to the string
>>  - delete old build directory in prepare instead of compile
>>  - use default compile stage (Guillermo)
>>  - install artifacts to sysroot /usr/lib/firmware in install stage
>>  - install artifacts to IMAGEDIR in targetinstall
>>  - fix clean stage to delete proper artifacts
>> ---
>>  platforms/tf-a.in | 138 ++++++++++++++++++++++++++++++++++++++++++++++
>>  rules/tf-a.make   | 114 ++++++++++++++++++++++++++++++++++++++
>>  2 files changed, 252 insertions(+)
>>  create mode 100644 platforms/tf-a.in
>>  create mode 100644 rules/tf-a.make
>>
>> diff --git a/platforms/tf-a.in b/platforms/tf-a.in
>> new file mode 100644
>> index 000000000000..f3971c4c2a3a
>> --- /dev/null
>> +++ b/platforms/tf-a.in
>> @@ -0,0 +1,138 @@
>> +## SECTION=bootloader
>> +
>> +menuconfig TF_A
>> +    select BOOTLOADER
>> +    prompt "ARM Trusted Firmware-A"
> 
> Spaces at the end to align the '-->'

ok.

> 
>> +    depends on ARCH_ARM || ARCH_ARM64
>> +    bool
>> +
>> +if TF_A
>> +
>> +config TF_A_ARCH_STRING
>> +        string
>> +        default "aarch32" if ARCH_ARM
>> +        default "aarch64" if ARCH_ARM64
>> +
>> +choice
>> +    prompt "TF-A Architecture"
>> +    default TF_A_ARM_ARCH_MAJOR_7 if ARCH_ARM
>> +    default TF_A_ARM_ARCH_MAJOR_8 if ARCH_ARM64
>> +    help
>> +      Architecture version major number
>> +
>> +    config TF_A_ARM_ARCH_MAJOR_7
>> +            depends on ARCH_ARM
>> +            prompt "ARMv7"
>> +            bool
>> +
>> +    config TF_A_ARM_ARCH_MAJOR_8_32_BIT
>> +            depends on ARCH_ARM
>> +            prompt "ARMv8 32-bit"
>> +            bool
>> +
>> +    config TF_A_ARM_ARCH_MAJOR_8
>> +            depends on ARCH_ARM64
>> +            prompt "ARMv8"
>> +            bool
>> +
>> +endchoice
>> +
>> +config TF_A_ARM_ARCH_MAJOR
>> +        int
>> +        default 7 if TF_A_ARM_ARCH_MAJOR_7
>> +        default 8 if TF_A_ARM_ARCH_MAJOR_8_32_BIT
>> +        default 8 if TF_A_ARM_ARCH_MAJOR_8
>> +
>> +config TF_A_VERSION
>> +    string
>> +    default "v2.2"
>> +    prompt "TF-A version"
>> +    help
>> +      Enter the TF-A version you want to build. Usally something like "v2.2"
> 
> You should mention that this is the tag name from the git repository.

It can be a commit hash as well. I adjusted the description.

> 
>> +
>> +config TF_A_MD5
>> +    string
>> +    default "bb300e5a62c911e189c80d935d497a4b"
>> +    prompt "TF-A source md5"
> 
> TF_A_VERSION and TF_A_MD5 should be the first two sub options.

ok.

> 
>> +
>> +config TF_A_PLATFORM
>> +    string
>> +    prompt "TF-A target platform"
>> +    help
>> +      The TF-A target platform.
>> +
>> +config TF_A_ARM_ARCH_MINOR
>> +    depends on TF_A_ARM_ARCH_MAJOR_8 || TF_A_ARM_ARCH_MAJOR_8_32_BIT
>> +    int
>> +    default 0
>> +    prompt "TF-A target ARMv8.MINOR version"
>> +    help
>> +      The minor version of the ARMv8 architecture targeted. Defaults to 0.
>> +
>> +config TF_A_EXTRA_ARGS
>> +    string
>> +    prompt "TF-A extra build arguments"
>> +    help
>> +      Extra platform-specific build arguments to pass to the TF-A build
>> +      process, e.g. DTB_FILE_NAME= for the stm32mp1
>> +
>> +config TF_A_ARTIFACTS
>> +    string
>> +    prompt "TF-A artifact file names"
>> +    default "bl2.bin"
>> +    help
>> +      A space-separated list of artifacts to copy to the image directory.
>> +      All file names are relative to the appropriate TF-A platform build
>> +      directory.
> 
> Where does the default come from? When I tried this, the only file that
> existed was 'bl31.bin'.

ARM's Juno board maybe. I removed the default.
The rule should always error now when it's enabled but this setting
isn't configured

> 
>> +
>> +comment "Payloads"
>> +
>> +choice
>> +    prompt "BL32 Payload"
>> +    default TF_A_BL32_NONE
>> +    help
>> +      payload for BL32 (Secure World OS)
>> +
>> +    config TF_A_BL32_NONE
>> +            prompt "None"
>> +            bool
>> +
>> +    config TF_A_BL32_SP_MIN
>> +            depends on ARCH_ARM
>> +            prompt "sp_min"
>> +            bool
>> +
>> +    config TF_A_BL32_TSP
>> +            depends on ARCH_ARM64
>> +            prompt "Test Secure Payload"
>> +            bool
>> +
>> +endchoice
>> +
>> +if TF_A_BL32_TSP
>> +choice TF_A_BL32_TSP_RAM_LOCATION
>> +    prompt "TSP location"
>> +    default TF_A_BL32_TSP_RAM_LOCATION_TSRAM
>> +
>> +    config TF_A_BL32_TSP_RAM_LOCATION_TSRAM
>> +            prompt "Trusted SRAM"
>> +            bool
>> +
>> +    config TF_A_BL32_TSP_RAM_LOCATION_TDRAM
>> +            prompt "Trusted DRAM (if available)"
>> +            bool
>> +
>> +    config TF_A_BL32_TSP_RAM_LOCATION_DRAM
>> +            prompt "Secure DRAM region (configured by TrustZone controller)"
>> +            bool
>> +endchoice
>> +
>> +config TF_A_BL32_TSP_RAM_LOCATION_STRING
>> +        string
>> +        default "tsram" if TF_A_BL32_TSP_RAM_LOCATION_TSRAM
>> +        default "tdram" if TF_A_BL32_TSP_RAM_LOCATION_TDRAM
>> +        default "dram"  if TF_A_BL32_TSP_RAM_LOCATION_DRAM
>> +
>> +endif
>> +
>> +endif
>> diff --git a/rules/tf-a.make b/rules/tf-a.make
>> new file mode 100644
>> index 000000000000..9f895d32518d
>> --- /dev/null
>> +++ b/rules/tf-a.make
>> @@ -0,0 +1,114 @@
>> +# -*-makefile-*-
>> +#
>> +# Copyright (C) 2018 by Rouven Czerwinski <[email protected]>
>> +#               2019 by Ahmad Fatoum <[email protected]>
>> +#
>> +# For further information about the PTXdist project and license conditions
>> +# see the README file.
>> +#
>> +
>> +#
>> +# We provide this package
>> +#
>> +PACKAGES-$(PTXCONF_TF_A) += tf-a
>> +
>> +#
>> +# Paths and names
>> +#
>> +TF_A_VERSION        := $(call remove_quotes,$(PTXCONF_TF_A_VERSION))
>> +TF_A_MD5    := $(call remove_quotes,$(PTXCONF_TF_A_MD5))
>> +TF_A                := tf-a-$(TF_A_VERSION)
>> +TF_A_SUFFIX := tar.gz
>> +TF_A_URL    := 
>> https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/snapshot/$(TF_A_VERSION).$(TF_A_SUFFIX)
>> +TF_A_SOURCE := $(SRCDIR)/$(TF_A).$(TF_A_SUFFIX)
>> +TF_A_DIR    := $(BUILDDIR)/$(TF_A)
>> +TF_A_LICENSE    := BSD-3-Clause
>> +
>> +# 
>> ----------------------------------------------------------------------------
>> +# Prepare
>> +# 
>> ----------------------------------------------------------------------------
>> +
>> +TF_A_WRAPPER_BLACKLIST := \
>> +    TARGET_HARDEN_RELRO \
>> +    TARGET_HARDEN_BINDNOW \
>> +    TARGET_HARDEN_PIE \
>> +    TARGET_DEBUG \
>> +    TARGET_BUILD_ID
>> +
>> +TF_A_PATH   := PATH=$(CROSS_PATH)
>> +TF_A_MAKE_OPT       := \
>> +    CROSS_COMPILE=$(BOOTLOADER_CROSS_COMPILE) \
>> +    HOSTCC=$(HOSTCC) \
>> +    PLAT=$(PTXCONF_TF_A_PLATFORM) \
>> +    DEBUG=$(call ptx/ifdef,TF_A_DEBUG,1,0) \
> 
> No, don't use variables that are never defined.
> If the rule must be copied anyways, then editing this is simple.

It's at two places, here and in the build directory. I'd rather leave it
as is and move the # TF_A_DEBUG=1 above.

> 
>> +    ARCH=$(PTXCONF_TF_A_ARCH_STRING) \
>> +    ARM_ARCH_MAJOR=$(PTXCONF_TF_A_ARM_ARCH_MAJOR) \
>> +    $(call remove_quotes,$(PTXCONF_TF_A_EXTRA_ARGS)) \
>> +    all
>> +
>> +ifdef PTXCONF_TF_A_BL32_TSP
>> +TF_A_MAKE_OPT += 
>> ARM_TSP_RAM_LOCATION=$(PTXCONF_TF_A_BL32_TSP_RAM_LOCATION_STRING)
>> +endif
>> +ifdef PTXCONF_TF_A_ARM_ARCH_MINOR
>> +TF_A_MAKE_OPT += ARM_ARCH_MINOR=$(PTXCONF_TF_A_ARM_ARCH_MINOR)
>> +endif
>> +ifdef PTXCONF_TF_A_BL32_SP_MIN
>> +TF_A_MAKE_OPT += AARCH32_SP=sp_min
>> +endif
>> +
>> +TF_A_BUILD_OUTPUT_DIR := $(call ptx/ifdef,TF_A_DEBUG,debug,release)
> 
> Same here.
> 
>> +TF_A_ARTIFACTS_DEST := $(call remove_quotes,$(PTXCONF_TF_A_ARTIFACTS))
>> +TF_A_ARTIFACTS_SRC := $(addprefix 
>> $(TF_A_DIR)/build/$(PTXCONF_TF_A_PLATFORM)/$(TF_A_BUILD_OUTPUT_DIR)/, \
>> +            $(TF_A_ARTIFACTS_DEST))
>> +TF_A_CONF_TOOL      := NO
>> +TF_A_MAKE_ENV       := $(CROSS_ENV)
> 
> Move this variable below the prepare stage. That's for compile.

Ok made a compile header and moved it there

> 
>> +# TF_A_DEBUG=yes
> 
> remove. 

See above.

> 
>> +
>> +# 
>> ----------------------------------------------------------------------------
>> +# Prepare
>> +# 
>> ----------------------------------------------------------------------------
> 
> This is all the prepare stage. Don't add a second header.
> 
>> +$(STATEDIR)/tf-a.prepare:
>> +    @$(call targetinfo)
>> +    @rm -rf $(TF_A_DIR)/build/
>> +    @$(call touch)
>> +
>> +# 
>> ----------------------------------------------------------------------------
>> +# Install
>> +# 
>> ----------------------------------------------------------------------------
>> +
>> +$(STATEDIR)/tf-a.install:
>> +    @$(call targetinfo)
>> +ifeq ($(TF_A_ARTIFACTS_SRC),)
>> +    $(warning TF_A_ARTIFACTS is empty. nothing to install.)
>> +else
>> +    @install -m644 -D \
>> +            --target-directory=$(PTXCONF_SYSROOT_TARGET)/usr/lib/firmware \
> 
> Never use PTXCONF_SYSROOT_TARGET as a target. Install to TF_A_PKGDIR
> instead. This will be synct to PTXCONF_SYSROOT_TARGET during install.post.
> 
> and use '-v' to make this visible.

Ok.

> 
>> +            $(TF_A_ARTIFACTS_SRC)
>> +endif
>> +    @$(call touch)
>> +
>> +# 
>> ----------------------------------------------------------------------------
>> +# Target-Install
>> +# 
>> ----------------------------------------------------------------------------
>> +
>> +$(STATEDIR)/tf-a.targetinstall:
>> +    @$(call targetinfo)
>> +ifeq ($(TF_A_ARTIFACTS_SRC),)
>> +    $(warning TF_A_ARTIFACTS is empty. nothing to install.)
> 
> Hmm, the install stage will fail if TF_A_ARTIFACTS_SRC is empty, right?
> And I don't think no output is valid in any way, so just put an '$(error )'
> below the definition of TF_A_ARTIFACTS_SRC (wrapped by a 'ifdef
> PTXCONF_TF_A').

done.

> 
>> +else
>> +    @install -D -m644 $(TF_A_ARTIFACTS_SRC) $(IMAGEDIR)
>> +endif
>> +    @$(call touch)
>> +
>> +# 
>> ----------------------------------------------------------------------------
>> +# Clean
>> +# 
>> ----------------------------------------------------------------------------
>> +
>> +$(STATEDIR)/tf-a.clean:
>> +    @$(call targetinfo)
>> +    @$(call clean_pkg, TF_A)
>> +    @rm -f $(addprefix $(PTXCONF_SYSROOT_TARGET)/usr/lib/firmware/, \
>> +            TF_A_ARTIFACTS_DEST)
> 
> This is not necessary if you use pkgdir.

dropped.

> 
> Michael
> 
>> +    @rm -f $(addprefix $(IMAGEDIR), TF_A_ARTIFACTS_DEST)
>> +
>> +# vim: syntax=make
>> -- 
>> 2.25.0
>>
>>
>> _______________________________________________
>> ptxdist mailing list
>> [email protected]
>>
> 

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