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Merge pull request #15011 from benpicco/picolobc_feature

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picolibc: model as a feature
This commit is contained in:
Alexandre Abadie 2020-10-14 17:02:04 +02:00 committed by GitHub
commit 8df645cfe9
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11 changed files with 24 additions and 3 deletions
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1
cpu/arm7_common/Kconfig
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@ -23,6 +23,7 @@ config CPU_CORE_ARM7TDMI_S
## Declaration of specific features
config HAS_ARCH_ARM7
bool
select HAS_PICOLIBC
help
Indicates that the core is part of the ARM7 group of cores.

2
cpu/arm7_common/Makefile.dep
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@ -1,7 +1,7 @@
# use common ARM7 periph code
USEMODULE += arm7_common_periph
ifeq (1,$(PICOLIBC))
ifneq (,$(filter picolibc,$(FEATURES_USED)))
# Use Picolibc when explicitly selected
USEMODULE += picolibc
else

1
cpu/arm7_common/Makefile.features
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@ -7,5 +7,6 @@ FEATURES_PROVIDED += arch_arm7
FEATURES_PROVIDED += cpp
FEATURES_PROVIDED += libstdcpp
FEATURES_PROVIDED += periph_pm
FEATURES_PROVIDED += picolibc
FEATURES_PROVIDED += puf_sram
FEATURES_PROVIDED += ssp

1
cpu/cortexm_common/Kconfig
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@ -40,6 +40,7 @@ config CPU_CORE_CORTEX_M
select HAS_CPU_CORE_CORTEXM
select HAS_PERIPH_PM
select HAS_PUF_SRAM
select HAS_PICOLIBC
select HAS_CPP
select HAS_LIBSTDCPP
select HAS_CPU_CHECK_ADDRESS

2
cpu/cortexm_common/Makefile.dep
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@ -4,7 +4,7 @@ USEMODULE += cortexm_common
# include common periph code
USEMODULE += cortexm_common_periph
ifeq (1,$(PICOLIBC))
ifneq (,$(filter picolibc,$(FEATURES_USED)))
# Use Picolibc when explicitly selected
USEMODULE += picolibc
else

1
cpu/cortexm_common/Makefile.features
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@ -7,6 +7,7 @@ FEATURES_PROVIDED += cpu_core_cortexm
FEATURES_PROVIDED += libstdcpp
FEATURES_PROVIDED += periph_pm
FEATURES_PROVIDED += puf_sram
FEATURES_PROVIDED += picolibc
FEATURES_PROVIDED += ssp
# cortex-m4f and cortex-m7 provide FPU support

1
cpu/fe310/Kconfig
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@ -8,6 +8,7 @@
config CPU_ARCH_RISCV
bool
select HAS_ARCH_RISCV
select HAS_PICOLIBC if '$(RIOT_CI_BUILD)' != '1'
config CPU_CORE_RV32M
bool

2
cpu/fe310/Makefile.dep
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@ -1,4 +1,4 @@
ifeq (1,$(PICOLIBC))
ifneq (,$(filter picolibc,$(FEATURES_USED)))
USEMODULE += picolibc
else
USEMODULE += newlib_nano

5
cpu/fe310/Makefile.features
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@ -8,3 +8,8 @@ FEATURES_PROVIDED += periph_plic
FEATURES_PROVIDED += periph_pm
FEATURES_PROVIDED += periph_wdt
FEATURES_PROVIDED += ssp
# RISC-V toolchain on CI does not work properly with picolibc yet
ifeq (,$(RIOT_CI_BUILD))
FEATURES_PROVIDED += picolibc
endif

6
examples/gnrc_minimal/Makefile
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@ -26,6 +26,12 @@ USEMODULE += gnrc_icmpv6_echo
# Use minimal standard PRNG
USEMODULE += prng_minstd
# llvm compatibility requires yet to be released picolibc 1.4.7
ifneq (llvm, $(TOOLCHAIN))
# Use picolibc when available
FEATURES_OPTIONAL += picolibc
endif
CFLAGS += -DLOG_LEVEL=LOG_NONE # disable log output
# Set GNRC_PKTBUF_SIZE via CFLAGS if not being set via Kconfig.
ifndef CONFIG_GNRC_PKTBUF_SIZE

5
kconfigs/Kconfig.features
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@ -296,6 +296,11 @@ config HAS_PERIPH_WDT_CB
help
Indicates that the WDT peripheral allows setting a callback.
config HAS_PICOLIBC
bool
help
Indicates that the picolibc C library is available for the platform.
config HAS_PUF_SRAM
bool
help