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https://github.com/RIOT-OS/RIOT.git
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2623221854
This makes use of the new bug modeling to declare all platforms that can use newlib and have no reentrancy hooks as affected by the non-thread-safe stdio bug. (Which is every platform but ESP* and AVR, the former because the reentrancy hooks are provided, the latter because we do not and never will support newlib on them.) Building on that, the mpaland-printf package is used when newlib is used and the bug is present. This way we can rely on the stdio being thread-safe on every platform and not causing random crashes at run time. Co-authored-by: mguetschow <mikolai.guetschow@tu-dresden.de>
59 lines
1.7 KiB
Makefile
59 lines
1.7 KiB
Makefile
FEATURES_PROVIDED += arch_32bit
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FEATURES_PROVIDED += arch_arm
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FEATURES_PROVIDED += bug_newlib_broken_stdio
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FEATURES_PROVIDED += cortexm_svc
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FEATURES_PROVIDED += cpp
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FEATURES_PROVIDED += cpu_check_address
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FEATURES_PROVIDED += cpu_core_cortexm
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FEATURES_PROVIDED += dbgpin
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FEATURES_PROVIDED += libstdcpp
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FEATURES_PROVIDED += newlib
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FEATURES_PROVIDED += periph_flashpage_aux
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FEATURES_PROVIDED += periph_pm
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FEATURES_PROVIDED += picolibc
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FEATURES_PROVIDED += puf_sram
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FEATURES_PROVIDED += ssp
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# cortex-m33, cortex-m4f and cortex-m7 provide FPU support
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ifneq (,$(filter $(CPU_CORE),cortex-m33 cortex-m4f cortex-m7))
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FEATURES_PROVIDED += cortexm_fpu
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endif
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# Set CPU_ARCH depending on the CPU_CORE
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#
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# RUST_TARGET is only used when building Rust code; any users need to require
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# the `rust_target` feature to esnure things are checked properly.
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ifeq ($(CPU_CORE),cortex-m0)
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CPU_ARCH := armv6m
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RUST_TARGET = thumbv6m-none-eabi
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else ifeq ($(CPU_CORE),cortex-m0plus)
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CPU_ARCH := armv6m
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RUST_TARGET = thumbv6m-none-eabi
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else ifeq ($(CPU_CORE),cortex-m23)
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CPU_ARCH := armv8m
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#RUST_TARGET = thumbv8m.base-none-eabi
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else ifeq ($(CPU_CORE),cortex-m3)
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CPU_ARCH := armv7m
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RUST_TARGET = thumbv7m-none-eabi
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else ifeq ($(CPU_CORE),cortex-m33)
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CPU_ARCH := armv8m
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FEATURES_PROVIDED += cortexm_stack_limit
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#RUST_TARGET = thumbv8m.main-none-eabi
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else ifeq ($(CPU_CORE),cortex-m4)
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CPU_ARCH := armv7m
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RUST_TARGET = thumbv7em-none-eabi
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else ifeq ($(CPU_CORE),cortex-m4f)
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CPU_ARCH := armv7m
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RUST_TARGET = thumbv7em-none-eabihf
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else ifeq ($(CPU_CORE),cortex-m7)
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CPU_ARCH := armv7m
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else
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$(error Unknown cortexm core: $(CPU_CORE))
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endif
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ifneq (,$(RUST_TARGET))
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FEATURES_PROVIDED += rust_target
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endif
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FEATURES_PROVIDED += no_idle_thread
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