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arm-trusted-firmware/bl2u/bl2u.mk

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FWU: Add Generic BL2U FWU image support in BL2 The Firmware Update (FWU) feature needs support for an optional secure world image, BL2U, to allow additional secure world initialization required by FWU, for example DDR initialization. This patch adds generic framework support to create BL2U. NOTE: A platform makefile must supply additional `BL2U_SOURCES` to build the bl2u target. A subsequent patch adds bl2u support for ARM platforms. Change-Id: If2ce036199bb40b39b7f91a9332106bcd4e25413
9 years ago
#
build: use new toolchain variables for tools This change migrates the values of `CC`, `CPP`, `AS` and other toolchain variables to the new `$(toolchain)-$(tool)` variables, which were introduced by the toolchain refactor patch. These variables should be equivalent to the values that they're replacing. Change-Id: I644fe4ce82ef1894bed129ddb4b6ab94fb04985d Signed-off-by: Chris Kay <chris.kay@arm.com>
11 months ago
# Copyright (c) 2015-2024, Arm Limited and Contributors. All rights reserved.
FWU: Add Generic BL2U FWU image support in BL2 The Firmware Update (FWU) feature needs support for an optional secure world image, BL2U, to allow additional secure world initialization required by FWU, for example DDR initialization. This patch adds generic framework support to create BL2U. NOTE: A platform makefile must supply additional `BL2U_SOURCES` to build the bl2u target. A subsequent patch adds bl2u support for ARM platforms. Change-Id: If2ce036199bb40b39b7f91a9332106bcd4e25413
9 years ago
#
Use SPDX license identifiers To make software license auditing simpler, use SPDX[0] license identifiers instead of duplicating the license text in every file. NOTE: Files that have been imported by FreeBSD have not been modified. [0]: https://spdx.org/ Change-Id: I80a00e1f641b8cc075ca5a95b10607ed9ed8761a Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
8 years ago
# SPDX-License-Identifier: BSD-3-Clause
FWU: Add Generic BL2U FWU image support in BL2 The Firmware Update (FWU) feature needs support for an optional secure world image, BL2U, to allow additional secure world initialization required by FWU, for example DDR initialization. This patch adds generic framework support to create BL2U. NOTE: A platform makefile must supply additional `BL2U_SOURCES` to build the bl2u target. A subsequent patch adds bl2u support for ARM platforms. Change-Id: If2ce036199bb40b39b7f91a9332106bcd4e25413
9 years ago
#
BL2U_SOURCES += bl2u/bl2u_main.c \
AArch32: Add BL2U support Add support for firmware upgrade on AArch32. This patch has been tested on the FVP models. NOTE: Firmware upgrade on Juno AArch32 is not currently supported. Change-Id: I1ca8078214eaf86b46463edd14740120af930aec Signed-off-by: dp-arm <dimitris.papastamos@arm.com> Co-Authored-By: Yatharth Kochar <yatharth.kochar@arm.com>
8 years ago
bl2u/${ARCH}/bl2u_entrypoint.S \
plat/common/${ARCH}/platform_up_stack.S
ifeq (${ARCH},aarch64)
BL2U_SOURCES += common/aarch64/early_exceptions.S
endif
FWU: Add Generic BL2U FWU image support in BL2 The Firmware Update (FWU) feature needs support for an optional secure world image, BL2U, to allow additional secure world initialization required by FWU, for example DDR initialization. This patch adds generic framework support to create BL2U. NOTE: A platform makefile must supply additional `BL2U_SOURCES` to build the bl2u target. A subsequent patch adds bl2u support for ARM platforms. Change-Id: If2ce036199bb40b39b7f91a9332106bcd4e25413
9 years ago
build: clarify linker script generation The following build system variables have been renamed: - `LINKERFILE` -> `DEFAULT_LINKER_SCRIPT` - `BL_LINKERFILE` -> `DEFAULT_LINKER_SCRIPT_SOURCE` - `<IMAGE>_LINKERFILE` -> `<IMAGE>_DEFAULT_LINKER_SCRIPT_SOURCE` These new names better reflect how each variable is used: 1. the default linker script is passed via `-dT` instead of `-T` 2. linker script source files are first preprocessed Additionally, linker scripts are now placed in the build directory relative to where they exist in the source directory. For example, the `bl32/sp_min/sp_min.ld.S` would now preprocess to `sp_min/sp_min.ld` instead of just `bl32.ld` BREAKING-CHANGE: The `LINKERFILE`, `BL_LINKERFILE` and `<IMAGE_LINKERFILE>` build system variables have been renamed. See the commit message for more information. Change-Id: If8cef65dcb8820e8993736702c8741e97a66e6cc Signed-off-by: Chris Kay <chris.kay@arm.com>
2 years ago
BL2U_DEFAULT_LINKER_SCRIPT_SOURCE := bl2u/bl2u.ld.S
build(bl2u): sort sections by alignment by default This change forces LD to sort all input sections by alignment when allocating them within an output section. This is done in some places explicitly in the linker scripts today, but this makes sure we don't miss any easy targets. Change-Id: I2745327ed106295e0e0d3a54b3096514a1403c3c Signed-off-by: Chris Kay <chris.kay@arm.com>
2 years ago
build: use toolchain identifiers in conditions The toolchain refactor change introduces the `${toolchain}-${tool}-id` variables, which provide identifiers for all of the toolchain tools used by the build system. This change replaces the various conditions that are in use to identify these tools based on the path with a standard set of comparisons against these new identifier variables. Change-Id: Ib60e592359fa6e415c19a012e68d660f87436ca7 Signed-off-by: Chris Kay <chris.kay@arm.com>
11 months ago
ifeq ($($(ARCH)-ld-id),gnu-gcc)
build(bl2u): sort sections by alignment by default This change forces LD to sort all input sections by alignment when allocating them within an output section. This is done in some places explicitly in the linker scripts today, but this makes sure we don't miss any easy targets. Change-Id: I2745327ed106295e0e0d3a54b3096514a1403c3c Signed-off-by: Chris Kay <chris.kay@arm.com>
2 years ago
BL2U_LDFLAGS += -Wl,--sort-section=alignment
build: use toolchain identifiers in conditions The toolchain refactor change introduces the `${toolchain}-${tool}-id` variables, which provide identifiers for all of the toolchain tools used by the build system. This change replaces the various conditions that are in use to identify these tools based on the path with a standard set of comparisons against these new identifier variables. Change-Id: Ib60e592359fa6e415c19a012e68d660f87436ca7 Signed-off-by: Chris Kay <chris.kay@arm.com>
11 months ago
else ifneq ($(filter llvm-lld gnu-ld,$($(ARCH)-ld-id)),)
build(bl2u): sort sections by alignment by default This change forces LD to sort all input sections by alignment when allocating them within an output section. This is done in some places explicitly in the linker scripts today, but this makes sure we don't miss any easy targets. Change-Id: I2745327ed106295e0e0d3a54b3096514a1403c3c Signed-off-by: Chris Kay <chris.kay@arm.com>
2 years ago
BL2U_LDFLAGS += --sort-section=alignment
endif