Merge changes from topics "gr/gcc12", "jc/toolchain_update_2.9" into integration
* changes:
docs(build): update GCC to 12.2.Rel1 version
fix(build): allow lower address access with gcc-12
diff --git a/Makefile b/Makefile
index 7368ca5..8caa523 100644
--- a/Makefile
+++ b/Makefile
@@ -414,6 +414,10 @@
WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \
-Wpacked-bitfield-compat -Wshift-overflow=2 \
-Wlogical-op
+
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105523
+TF_CFLAGS += $(call cc_option, --param=min-pagesize=0)
+
else
# using clang
WARNINGS += -Wshift-overflow -Wshift-sign-overflow \
diff --git a/docs/getting_started/prerequisites.rst b/docs/getting_started/prerequisites.rst
index bf10ecf..a3f8cc8 100644
--- a/docs/getting_started/prerequisites.rst
+++ b/docs/getting_started/prerequisites.rst
@@ -26,7 +26,7 @@
|TF-A| can be built with any of the following *cross-compiler* toolchains that
target the Armv7-A or Armv8-A architectures:
-- GCC >= 11.3.Rel1 (from the `Arm Developer website`_)
+- GCC >= 12.2.Rel1 (from the `Arm Developer website`_)
You will need the targets ``arm-none-eabi`` and ``aarch64-none-elf`` for
AArch32 and AArch64 builds respectively.
diff --git a/make_helpers/build_macros.mk b/make_helpers/build_macros.mk
index 0c82a71..9bf26f0 100644
--- a/make_helpers/build_macros.mk
+++ b/make_helpers/build_macros.mk
@@ -104,6 +104,12 @@
$(shell if $(LD) $(1) -v >/dev/null 2>&1; then echo $(1); fi )
endef
+# Convenience function to check for a given compiler option. A call to
+# $(call cc_option, --no-XYZ) will return --no-XYZ if supported by the compiler
+define cc_option
+ $(shell if $(CC) $(1) -c -x c /dev/null -o /dev/null >/dev/null 2>&1; then echo $(1); fi )
+endef
+
# CREATE_SEQ is a recursive function to create sequence of numbers from 1 to
# $(2) and assign the sequence to $(1)
define CREATE_SEQ