fin SETR2
This commit is contained in:
436
P7_SETR2/P7_SETR2_TGFX/gcc/Makefile
Normal file
436
P7_SETR2/P7_SETR2_TGFX/gcc/Makefile
Normal file
@@ -0,0 +1,436 @@
|
||||
# Helper macros to convert spaces into question marks and back again
|
||||
e :=
|
||||
sp := $(e) $(e)
|
||||
qs = $(subst ?,$(sp),$1)
|
||||
sq = $(subst $(sp),?,$1)
|
||||
|
||||
# Get name of this Makefile (avoid getting word 0 and a starting space)
|
||||
makefile_name := $(wordlist 1,1000,$(MAKEFILE_LIST))
|
||||
|
||||
# Get path of this Makefile
|
||||
makefile_path := $(call qs,$(dir $(call sq,$(abspath $(call sq,$(makefile_name))))))
|
||||
|
||||
# Get path where the Application is
|
||||
application_path := $(call qs,$(abspath $(call sq,$(makefile_path)..)))
|
||||
|
||||
# Change makefile_name to a relative path
|
||||
makefile_name := $(subst $(call sq,$(application_path))/,,$(call sq,$(abspath $(call sq,$(makefile_name)))))
|
||||
|
||||
# Get relative path to makefile from application_path
|
||||
makefile_path_relative := $(subst $(call sq,$(application_path))/,,$(call sq,$(abspath $(call sq,$(makefile_path)))))
|
||||
|
||||
# Get path to Middlewares
|
||||
touchgfx_middlewares_path := gcc/Middlewares
|
||||
cubemx_middlewares_path := Middlewares
|
||||
|
||||
# Get path to Drivers
|
||||
Drivers_path := Drivers
|
||||
|
||||
# Get OS path
|
||||
touchgfx_os_path := $(touchgfx_middlewares_path)/Third_Party/FreeRTOS
|
||||
cubemx_os_path := $(cubemx_middlewares_path)/Third_Party/FreeRTOS
|
||||
|
||||
# LibJPEG path
|
||||
libjpeg_path := $(cubemx_middlewares_path)/Third_Party/LibJPEG
|
||||
|
||||
# Get identification of this system
|
||||
ifeq ($(OS),Windows_NT)
|
||||
UNAME := MINGW32_NT-6.2
|
||||
else
|
||||
UNAME := $(shell uname -s)
|
||||
endif
|
||||
|
||||
board_name := STM32F746-DISCO
|
||||
platform := cortex_m7
|
||||
cpp_compiler_options_local := -DUSE_HAL_DRIVER -DSTM32F746xx
|
||||
c_compiler_options_local := -DUSE_HAL_DRIVER -DSTM32F746xx
|
||||
|
||||
.PHONY: all clean assets flash intflash
|
||||
|
||||
all: $(filter clean,$(MAKECMDGOALS))
|
||||
all clean assets:
|
||||
@cd "$(application_path)" && $(MAKE) -r -f $(makefile_name) -s $(MFLAGS) _$@_
|
||||
|
||||
flash intflash: all
|
||||
@cd "$(application_path)" && $(MAKE) -r -f $(makefile_name) -s $(MFLAGS) _$@_
|
||||
|
||||
# Directories containing application-specific source and header files.
|
||||
# Additional components can be added to this list. make will look for
|
||||
# source files recursively in comp_name/src and setup an include directive
|
||||
# for comp_name/include.
|
||||
components := TouchGFX/gui target TouchGFX/generated/gui_generated
|
||||
touchgfx_generator_components := TouchGFX/target TouchGFX/App
|
||||
cubemx_components := Core Drivers/STM32F7xx_HAL_Driver
|
||||
|
||||
# Location of folder containing bmp/png files.
|
||||
asset_images_input := TouchGFX/assets/images
|
||||
|
||||
# Location of folder to search for ttf font files
|
||||
asset_fonts_input := TouchGFX/assets/fonts
|
||||
|
||||
# Location of folder where the texts.xml is placed
|
||||
asset_texts_input := TouchGFX/assets/texts
|
||||
|
||||
asset_videos_input := TouchGFX/assets/videos
|
||||
|
||||
build_root_path := TouchGFX/build
|
||||
object_output_path := $(build_root_path)/$(board_name)
|
||||
binary_output_path := $(build_root_path)/bin
|
||||
|
||||
# Location of output folders where autogenerated code from assets is placed
|
||||
asset_root_path := TouchGFX/generated
|
||||
asset_images_output := $(asset_root_path)/images
|
||||
asset_fonts_output := $(asset_root_path)/fonts
|
||||
asset_texts_output := $(asset_root_path)/texts
|
||||
asset_videos_output := $(asset_root_path)/videos
|
||||
|
||||
#include application specific configuration
|
||||
include $(application_path)/TouchGFX/config/gcc/app.mk
|
||||
|
||||
# corrects TouchGFX Path
|
||||
touchgfx_path := ${subst ../,,$(touchgfx_path)}
|
||||
|
||||
os_source_files := \
|
||||
$(cubemx_os_path)/Source/croutine.c \
|
||||
$(cubemx_os_path)/Source/list.c \
|
||||
$(cubemx_os_path)/Source/queue.c \
|
||||
$(cubemx_os_path)/Source/tasks.c \
|
||||
$(cubemx_os_path)/Source/timers.c \
|
||||
$(cubemx_os_path)/Source/CMSIS_RTOS_V2/cmsis_os2.c
|
||||
|
||||
os_include_paths := \
|
||||
$(cubemx_os_path)/Source/include \
|
||||
$(cubemx_os_path)/Source/CMSIS_RTOS_V2
|
||||
|
||||
os_source_files += \
|
||||
$(touchgfx_os_path)/Source/portable/MemMang/heap_4.c \
|
||||
$(touchgfx_os_path)/Source/portable/GCC/ARM_CM7/r0p1/port.c
|
||||
|
||||
os_include_paths += \
|
||||
$(touchgfx_os_path)/Source/portable/GCC/ARM_CM7/r0p1
|
||||
|
||||
ifeq ($(UNAME), Linux)
|
||||
imageconvert_executable := $(touchgfx_path)/framework/tools/imageconvert/build/linux/imageconvert.out
|
||||
fontconvert_executable := $(touchgfx_path)/framework/tools/fontconvert/build/linux/fontconvert.out
|
||||
else
|
||||
imageconvert_executable := $(touchgfx_path)/framework/tools/imageconvert/build/win/imageconvert.out
|
||||
fontconvert_executable := $(touchgfx_path)/framework/tools/fontconvert/build/win/fontconvert.out
|
||||
|
||||
stldr := W25Q128JVEIQ_STM32F746G-DISCO.stldr
|
||||
include $(application_path)/gcc/include/cube_programmer.mk
|
||||
|
||||
endif
|
||||
|
||||
target_executable := target.elf
|
||||
target_hex := target.hex
|
||||
|
||||
assembler := arm-none-eabi-gcc
|
||||
|
||||
assembler_options += \
|
||||
-g \
|
||||
-fno-exceptions\
|
||||
$(no_libs) -mthumb -mno-thumb-interwork \
|
||||
-Wall
|
||||
|
||||
assembler_options += $(float_options)
|
||||
|
||||
c_compiler := arm-none-eabi-gcc
|
||||
c_compiler_options += \
|
||||
-g \
|
||||
-mthumb -fno-exceptions \
|
||||
-mno-thumb-interwork -std=c99 \
|
||||
$(no_libs) \
|
||||
-Os -fno-strict-aliasing -fdata-sections -ffunction-sections
|
||||
|
||||
c_compiler_options += $(float_options)
|
||||
|
||||
cpp_compiler := arm-none-eabi-g++
|
||||
cpp_compiler_options += \
|
||||
-g -mthumb \
|
||||
$(no_libs) \
|
||||
-mno-thumb-interwork -fno-rtti -fno-exceptions \
|
||||
-Os -fno-strict-aliasing -fdata-sections -ffunction-sections
|
||||
|
||||
cpp_compiler_options += $(float_options)
|
||||
|
||||
linker := arm-none-eabi-g++
|
||||
linker_options += \
|
||||
-g -Wl,-static -mthumb $(no_libs) -mno-thumb-interwork \
|
||||
-fno-exceptions -specs=nosys.specs -fno-rtti \
|
||||
-Os -fno-strict-aliasing -Wl,--gc-sections -Wl,--print-memory-usage
|
||||
|
||||
objcopy := arm-none-eabi-objcopy
|
||||
|
||||
archiver := arm-none-eabi-ar
|
||||
|
||||
strip := arm-none-eabi-strip
|
||||
|
||||
# Additional toolchain configuration for Cortex-M7 targets.
|
||||
|
||||
float_options := -mfpu=fpv5-sp-d16 -mfloat-abi=softfp
|
||||
|
||||
assembler_options += -mthumb -mcpu=cortex-m7 -Wno-psabi $(float_options) -DCORE_M7 -D__irq=""
|
||||
c_compiler_options += -mthumb -mcpu=cortex-m7 -Wno-psabi $(float_options) -DCORE_M7 -D__irq=""
|
||||
cpp_compiler_options += -mthumb -mcpu=cortex-m7 -Wno-psabi $(float_options) -DCORE_M7 -D__irq=""
|
||||
linker_options += -mcpu=cortex-m7 -Wno-psabi $(float_options)
|
||||
|
||||
#include everything + specific vendor folders
|
||||
framework_includes := $(touchgfx_path)/framework/include
|
||||
|
||||
#this needs to change when assset include folder changes.
|
||||
all_components := $(components) \
|
||||
$(asset_fonts_output) \
|
||||
$(asset_images_output) \
|
||||
$(asset_texts_output) \
|
||||
$(asset_videos_output)
|
||||
|
||||
|
||||
include_paths := $(library_includes) \
|
||||
$(foreach comp, $(all_components), $(comp)/include) \
|
||||
$(foreach comp, $(cubemx_components), $(comp)/Inc) \
|
||||
$(foreach comp, $(touchgfx_generator_components), $(comp)/generated) \
|
||||
$(framework_includes) \
|
||||
$(cubemx_middlewares_path) \
|
||||
$(touchgfx_middlewares_path) \
|
||||
$(touchgfx_generator_components) \
|
||||
LIBJPEG/Target \
|
||||
$(libjpeg_path)/include \
|
||||
LIBJPEG/App
|
||||
|
||||
source_paths = $(foreach comp, $(all_components), $(comp)/src) \
|
||||
$(foreach comp, $(cubemx_components), $(comp)/Src) \
|
||||
$(touchgfx_generator_components)
|
||||
|
||||
# Finds files that matches the specified pattern. The directory list
|
||||
# is searched recursively. It is safe to invoke this function with an
|
||||
# empty list of directories.
|
||||
#
|
||||
# Param $(1): List of directories to search
|
||||
# Param $(2): The file pattern to search for
|
||||
define find
|
||||
$(foreach dir,$(1),$(foreach d,$(wildcard $(dir)/*),\
|
||||
$(call find,$(d),$(2))) $(wildcard $(dir)/$(strip $(2))))
|
||||
endef
|
||||
unexport find
|
||||
|
||||
fontconvert_ttf_lower_files := $(call find, $(asset_fonts_input), *.ttf)
|
||||
fontconvert_ttf_upper_files := $(call find, $(asset_fonts_input), *.TTF)
|
||||
fontconvert_otf_lower_files := $(call find, $(asset_fonts_input), *.otf)
|
||||
fontconvert_otf_upper_files := $(call find, $(asset_fonts_input), *.OTF)
|
||||
fontconvert_bdf_lower_files := $(call find, $(asset_fonts_input), *.bdf)
|
||||
fontconvert_bdf_upper_files := $(call find, $(asset_fonts_input), *.BDF)
|
||||
fontconvert_font_files := \
|
||||
$(fontconvert_ttf_lower_files) \
|
||||
$(fontconvert_ttf_upper_files) \
|
||||
$(fontconvert_otf_lower_files) \
|
||||
$(fontconvert_otf_upper_files) \
|
||||
$(fontconvert_bdf_lower_files) \
|
||||
$(fontconvert_bdf_upper_files)
|
||||
|
||||
video_files := $(call find, $(assets_videos_input),*.avi)
|
||||
|
||||
source_files := $(call find, $(source_paths),*.cpp)
|
||||
|
||||
board_c_files :=
|
||||
|
||||
board_c_files := \
|
||||
$(Drivers_path)/BSP/Components/ft5336/ft5336.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jaricom.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jcomapi.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jdapimin.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jdapistd.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jdarith.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jdatasrc.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jdcoefct.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jdcolor.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jddctmgr.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jdhuff.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jdinput.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jdmainct.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jdmarker.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jdmaster.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jdmerge.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jdpostct.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jdsample.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jdtrans.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jerror.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jidctflt.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jidctfst.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jidctint.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jmemmgr.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jmemnobs.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jquant1.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jquant2.c \
|
||||
Middlewares/Third_Party/LibJPEG/source/jutils.c \
|
||||
LIBJPEG/App/libjpeg.c
|
||||
|
||||
board_cpp_files :=
|
||||
|
||||
board_include_paths := \
|
||||
Drivers/CMSIS/Device/ST/STM32F7xx/Include \
|
||||
Drivers/CMSIS/Include \
|
||||
$(cubemx_middlewares_path)/Third_Party/FreeRTOS/Source/CMSIS_RTOS_V2 \
|
||||
Drivers/BSP/Components/ft5336 \
|
||||
Drivers/BSP/STM32746G-Discovery
|
||||
|
||||
asm_source_files := $(makefile_path_relative)/startup_stm32f746nghx.s
|
||||
|
||||
c_compiler_options +=
|
||||
cpp_compiler_options +=
|
||||
|
||||
include_paths += platform/os $(board_include_paths) $(os_include_paths)
|
||||
|
||||
|
||||
c_source_files := $(makefile_path_relative)/sysmem.c $(makefile_path_relative)/syscalls.c $(call find, $(source_paths),*.c) $(os_source_files) $(board_c_files)
|
||||
source_files += $(board_cpp_files)
|
||||
|
||||
libjpeg_source_path = Middlewares/Third_Party/LibJPEG/source
|
||||
video_object_files := $(call find, $(asset_videos_output),*.o)
|
||||
|
||||
object_files := $(source_files) $(c_source_files)
|
||||
|
||||
object_files := $(filter-out Core/Src/syscalls.c, $(object_files)) # ignore potential cmake duplicate
|
||||
object_files := $(filter-out Core/Src/sysmem.c, $(object_files)) # ignore potential cmake duplicate
|
||||
|
||||
# Start converting paths
|
||||
object_files := $(object_files:$(touchgfx_path)/%.cpp=$(object_output_path)/touchgfx/%.o)
|
||||
object_files := $(object_files:%.cpp=$(object_output_path)/%.o)
|
||||
object_files := $(object_files:$(touchgfx_middlewares_path)/%.c=$(object_output_path)/$(touchgfx_middlewares_path)/%.o)
|
||||
object_files := $(object_files:$(cubemx_middlewares_path)/%.c=$(object_output_path)/$(cubemx_middlewares_path)/%.o)
|
||||
object_files := $(object_files:$(libjpeg_source_path)/%.c=$(object_output_path)/$(libjpeg_source_path)/%.o)
|
||||
object_files := $(object_files:$(Drivers_path)/%.c=$(object_output_path)/Drivers/%.o)
|
||||
object_files := $(object_files:%.c=$(object_output_path)/%.o)
|
||||
dependency_files := $(object_files:%.o=%.d)
|
||||
|
||||
object_asm_files := $(asm_source_files:%.s=$(object_output_path)/%.o)
|
||||
object_asm_files := $(patsubst $(object_output_path)/%,$(object_output_path)/%,$(object_asm_files))
|
||||
|
||||
textconvert_script_path := $(touchgfx_path)/framework/tools/textconvert
|
||||
textconvert_executable := $(call find, $(textconvert_script_path), *.rb)
|
||||
videoconvert_script_path := $(touchgfx_path)/framework/tools/videoconvert
|
||||
|
||||
text_database := $(asset_texts_input)/texts.xml
|
||||
|
||||
libraries := touchgfx
|
||||
library_include_paths := $(touchgfx_path)/lib/core/$(platform)/gcc
|
||||
|
||||
.PHONY: _all_ _clean_ _assets_ _flash_ _intflash_ generate_assets build_executable
|
||||
|
||||
# Force linking each time
|
||||
.PHONY: $(binary_output_path)/$(target_executable)
|
||||
|
||||
_all_: generate_assets
|
||||
|
||||
# if ExtFlashSection or FontFlashSection is detected inside the executable, enable external flash
|
||||
flash_section_count := 0
|
||||
elf_filename := "$(application_path)/$(binary_output_path)/$(target_executable)"
|
||||
ifeq ($(shell test -e $(elf_filename) && echo -n has_elf_file),has_elf_file)
|
||||
flash_section_count := $(shell readelf -S $(elf_filename) | grep FlashSection | wc -l)
|
||||
endif
|
||||
|
||||
ifeq ($(shell test $(flash_section_count) -gt 0; echo $$?),0)
|
||||
_flash_: _extflash_
|
||||
else
|
||||
_flash_: _intflash_
|
||||
endif
|
||||
|
||||
include $(application_path)/gcc/include/flash_sections_int_ext.mk
|
||||
|
||||
generate_assets: _assets_
|
||||
@$(MAKE) -f $(makefile_name) -r -s $(MFLAGS) build_executable
|
||||
build_executable: $(binary_output_path)/$(target_executable)
|
||||
|
||||
$(binary_output_path)/$(target_executable): $(object_files) $(object_asm_files)
|
||||
@echo Linking $(@)
|
||||
@mkdir -p $(@D)
|
||||
@mkdir -p $(object_output_path)
|
||||
@$(file >$(build_root_path)/objects.tmp) $(foreach F,$(object_files) $(video_object_files),$(file >>$(build_root_path)/objects.tmp,$F))
|
||||
@$(linker) \
|
||||
$(linker_options) -T $(makefile_path_relative)/STM32F746NGHx_FLASH.ld -Wl,-Map=$(@D)/application.map $(linker_options_local) \
|
||||
$(patsubst %,-L%,$(library_include_paths)) \
|
||||
@$(build_root_path)/objects.tmp $(object_asm_files) -o $@ \
|
||||
-Wl,--start-group $(patsubst %,-l%,$(libraries)) -Wl,--end-group
|
||||
@rm -f $(build_root_path)/objects.tmp
|
||||
@echo "Producing additional output formats..."
|
||||
@echo " target.hex - Combined internal+external hex"
|
||||
@$(objcopy) -O ihex $@ $(@D)/target.hex
|
||||
@echo " intflash.elf - Internal flash, elf debug"
|
||||
@$(objcopy) --remove-section=ExtFlashSection $@ $(@D)/intflash.elf 2>/dev/null
|
||||
@echo " intflash.hex - Internal flash, hex"
|
||||
@$(objcopy) -O ihex --remove-section=ExtFlashSection --remove-section=FontFlashSection --remove-section=TextFlashSection $@ $(@D)/intflash.hex
|
||||
# re-enable if extflash binaries are required in your workflow
|
||||
# @echo " extflash.bin - External flash, binary"
|
||||
# @$(objcopy) -O binary --only-section=*FlashSection $@ $(@D)/extflash.bin
|
||||
|
||||
$(object_output_path)/touchgfx/%.o: $(touchgfx_path)/%.cpp TouchGFX/config/gcc/app.mk
|
||||
@echo Compiling $<
|
||||
@mkdir -p $(@D)
|
||||
@$(cpp_compiler) \
|
||||
-MMD -MP $(cpp_compiler_options) $(cpp_compiler_options_local) $(user_cflags) \
|
||||
$(patsubst %,-I%,$(include_paths)) \
|
||||
-c $< -o $@
|
||||
|
||||
$(object_output_path)/%.o: %.cpp TouchGFX/config/gcc/app.mk
|
||||
@echo Compiling $<
|
||||
@mkdir -p $(@D)
|
||||
@$(cpp_compiler) \
|
||||
-MMD -MP $(cpp_compiler_options) $(cpp_compiler_options_local) $(user_cflags) \
|
||||
$(patsubst %,-I%,$(include_paths)) \
|
||||
-c $< -o $@
|
||||
|
||||
$(object_output_path)/touchgfx/%.o: $(touchgfx_path)/%.c TouchGFX/config/gcc/app.mk
|
||||
@echo Compiling $<
|
||||
@mkdir -p $(@D)
|
||||
@$(c_compiler) \
|
||||
-MMD -MP $(c_compiler_options) $(c_compiler_options_local) $(user_cflags) \
|
||||
$(patsubst %,-I%,$(include_paths)) \
|
||||
-c $< -o $@
|
||||
|
||||
$(object_output_path)/%.o: %.c TouchGFX/config/gcc/app.mk
|
||||
@echo Compiling $<
|
||||
@mkdir -p $(@D)
|
||||
@$(c_compiler) \
|
||||
-MMD -MP $(c_compiler_options) $(c_compiler_options_local) $(user_cflags) \
|
||||
$(patsubst %,-I%,$(include_paths)) \
|
||||
-c $< -o $@
|
||||
|
||||
$(object_output_path)/%.o: %.s TouchGFX/config/gcc/app.mk
|
||||
@echo Compiling ASM $<
|
||||
@mkdir -p $(@D)
|
||||
@$(assembler) \
|
||||
$(assembler_options) \
|
||||
$(patsubst %,-I %,$(os_include_paths)) \
|
||||
-c $< -o $@
|
||||
|
||||
ifeq ($(MAKECMDGOALS),build_executable)
|
||||
$(firstword $(dependency_files)): TouchGFX/config/gcc/app.mk
|
||||
@rm -rf $(object_output_path)
|
||||
-include $(dependency_files)
|
||||
endif
|
||||
|
||||
_assets_: BitmapDatabase TextKeysAndLanguages Videos
|
||||
|
||||
.PHONY: BitmapDatabase TextKeysAndLanguages Videos
|
||||
|
||||
BitmapDatabase:
|
||||
@$(imageconvert_executable) -r $(asset_images_input) -w $(asset_images_output)
|
||||
|
||||
TextKeysAndLanguages:
|
||||
@mkdir -p $(asset_texts_output)/include/texts
|
||||
@ruby $(textconvert_script_path)/main.rb $(text_database) $(fontconvert_executable) $(asset_fonts_output) $(asset_texts_output) $(asset_fonts_input) TouchGFX $(text_converter_options)
|
||||
|
||||
Videos:
|
||||
@ruby $(videoconvert_script_path)/videoconvert.rb $(asset_videos_input) $(asset_videos_output)
|
||||
|
||||
_clean_:
|
||||
@echo Cleaning
|
||||
@rm -rf $(build_root_path)
|
||||
# Do not remove gui_generated
|
||||
@rm -rf $(asset_images_output)
|
||||
@rm -rf $(asset_fonts_output)
|
||||
@rm -rf $(asset_texts_output)
|
||||
@rm -rf $(asset_videos_output)
|
||||
# Create directory to avoid error if it does not exist
|
||||
@mkdir -p $(asset_root_path)
|
||||
# Remove assets folder if it is empty (i.e. no gui_generated folder)
|
||||
@rmdir --ignore-fail-on-non-empty $(asset_root_path)
|
||||
765
P7_SETR2/P7_SETR2_TGFX/gcc/Middlewares/Third_Party/FreeRTOS/Source/portable/GCC/ARM_CM7/r0p1/port.c
vendored
Normal file
765
P7_SETR2/P7_SETR2_TGFX/gcc/Middlewares/Third_Party/FreeRTOS/Source/portable/GCC/ARM_CM7/r0p1/port.c
vendored
Normal file
@@ -0,0 +1,765 @@
|
||||
/*
|
||||
* FreeRTOS Kernel V10.2.1
|
||||
* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||
* this software and associated documentation files (the "Software"), to deal in
|
||||
* the Software without restriction, including without limitation the rights to
|
||||
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
||||
* the Software, and to permit persons to whom the Software is furnished to do so,
|
||||
* subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in all
|
||||
* copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
||||
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
||||
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
* http://www.FreeRTOS.org
|
||||
* http://aws.amazon.com/freertos
|
||||
*
|
||||
* 1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Implementation of functions defined in portable.h for the ARM CM4F port.
|
||||
*----------------------------------------------------------*/
|
||||
|
||||
/* Scheduler includes. */
|
||||
#include "FreeRTOS.h"
|
||||
#include "task.h"
|
||||
|
||||
#ifndef __VFP_FP__
|
||||
#error This port can only be used when the project options are configured to enable hardware floating point support.
|
||||
#endif
|
||||
|
||||
#ifndef configSYSTICK_CLOCK_HZ
|
||||
#define configSYSTICK_CLOCK_HZ configCPU_CLOCK_HZ
|
||||
/* Ensure the SysTick is clocked at the same frequency as the core. */
|
||||
#define portNVIC_SYSTICK_CLK_BIT ( 1UL << 2UL )
|
||||
#else
|
||||
/* The way the SysTick is clocked is not modified in case it is not the same
|
||||
as the core. */
|
||||
#define portNVIC_SYSTICK_CLK_BIT ( 0 )
|
||||
#endif
|
||||
|
||||
/* Constants required to manipulate the core. Registers first... */
|
||||
#define portNVIC_SYSTICK_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000e010 ) )
|
||||
#define portNVIC_SYSTICK_LOAD_REG ( * ( ( volatile uint32_t * ) 0xe000e014 ) )
|
||||
#define portNVIC_SYSTICK_CURRENT_VALUE_REG ( * ( ( volatile uint32_t * ) 0xe000e018 ) )
|
||||
#define portNVIC_SYSPRI2_REG ( * ( ( volatile uint32_t * ) 0xe000ed20 ) )
|
||||
/* ...then bits in the registers. */
|
||||
#define portNVIC_SYSTICK_INT_BIT ( 1UL << 1UL )
|
||||
#define portNVIC_SYSTICK_ENABLE_BIT ( 1UL << 0UL )
|
||||
#define portNVIC_SYSTICK_COUNT_FLAG_BIT ( 1UL << 16UL )
|
||||
#define portNVIC_PENDSVCLEAR_BIT ( 1UL << 27UL )
|
||||
#define portNVIC_PEND_SYSTICK_CLEAR_BIT ( 1UL << 25UL )
|
||||
|
||||
#define portNVIC_PENDSV_PRI ( ( ( uint32_t ) configKERNEL_INTERRUPT_PRIORITY ) << 16UL )
|
||||
#define portNVIC_SYSTICK_PRI ( ( ( uint32_t ) configKERNEL_INTERRUPT_PRIORITY ) << 24UL )
|
||||
|
||||
/* Constants required to check the validity of an interrupt priority. */
|
||||
#define portFIRST_USER_INTERRUPT_NUMBER ( 16 )
|
||||
#define portNVIC_IP_REGISTERS_OFFSET_16 ( 0xE000E3F0 )
|
||||
#define portAIRCR_REG ( * ( ( volatile uint32_t * ) 0xE000ED0C ) )
|
||||
#define portMAX_8_BIT_VALUE ( ( uint8_t ) 0xff )
|
||||
#define portTOP_BIT_OF_BYTE ( ( uint8_t ) 0x80 )
|
||||
#define portMAX_PRIGROUP_BITS ( ( uint8_t ) 7 )
|
||||
#define portPRIORITY_GROUP_MASK ( 0x07UL << 8UL )
|
||||
#define portPRIGROUP_SHIFT ( 8UL )
|
||||
|
||||
/* Masks off all bits but the VECTACTIVE bits in the ICSR register. */
|
||||
#define portVECTACTIVE_MASK ( 0xFFUL )
|
||||
|
||||
/* Constants required to manipulate the VFP. */
|
||||
#define portFPCCR ( ( volatile uint32_t * ) 0xe000ef34 ) /* Floating point context control register. */
|
||||
#define portASPEN_AND_LSPEN_BITS ( 0x3UL << 30UL )
|
||||
|
||||
/* Constants required to set up the initial stack. */
|
||||
#define portINITIAL_XPSR ( 0x01000000 )
|
||||
#define portINITIAL_EXC_RETURN ( 0xfffffffd )
|
||||
|
||||
/* The systick is a 24-bit counter. */
|
||||
#define portMAX_24_BIT_NUMBER ( 0xffffffUL )
|
||||
|
||||
/* For strict compliance with the Cortex-M spec the task start address should
|
||||
have bit-0 clear, as it is loaded into the PC on exit from an ISR. */
|
||||
#define portSTART_ADDRESS_MASK ( ( StackType_t ) 0xfffffffeUL )
|
||||
|
||||
/* A fiddle factor to estimate the number of SysTick counts that would have
|
||||
occurred while the SysTick counter is stopped during tickless idle
|
||||
calculations. */
|
||||
#define portMISSED_COUNTS_FACTOR ( 45UL )
|
||||
|
||||
/* Let the user override the pre-loading of the initial LR with the address of
|
||||
prvTaskExitError() in case it messes up unwinding of the stack in the
|
||||
debugger. */
|
||||
#ifdef configTASK_RETURN_ADDRESS
|
||||
#define portTASK_RETURN_ADDRESS configTASK_RETURN_ADDRESS
|
||||
#else
|
||||
#define portTASK_RETURN_ADDRESS prvTaskExitError
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Setup the timer to generate the tick interrupts. The implementation in this
|
||||
* file is weak to allow application writers to change the timer used to
|
||||
* generate the tick interrupt.
|
||||
*/
|
||||
void vPortSetupTimerInterrupt( void );
|
||||
|
||||
/*
|
||||
* Exception handlers.
|
||||
*/
|
||||
void xPortPendSVHandler( void ) __attribute__ (( naked ));
|
||||
void xPortSysTickHandler( void );
|
||||
void vPortSVCHandler( void ) __attribute__ (( naked ));
|
||||
|
||||
/*
|
||||
* Start first task is a separate function so it can be tested in isolation.
|
||||
*/
|
||||
static void prvPortStartFirstTask( void ) __attribute__ (( naked ));
|
||||
|
||||
/*
|
||||
* Function to enable the VFP.
|
||||
*/
|
||||
static void vPortEnableVFP( void ) __attribute__ (( naked ));
|
||||
|
||||
/*
|
||||
* Used to catch tasks that attempt to return from their implementing function.
|
||||
*/
|
||||
static void prvTaskExitError( void );
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Each task maintains its own interrupt status in the critical nesting
|
||||
variable. */
|
||||
static UBaseType_t uxCriticalNesting = 0xaaaaaaaa;
|
||||
|
||||
/*
|
||||
* The number of SysTick increments that make up one tick period.
|
||||
*/
|
||||
#if( configUSE_TICKLESS_IDLE == 1 )
|
||||
static uint32_t ulTimerCountsForOneTick = 0;
|
||||
#endif /* configUSE_TICKLESS_IDLE */
|
||||
|
||||
/*
|
||||
* The maximum number of tick periods that can be suppressed is limited by the
|
||||
* 24 bit resolution of the SysTick timer.
|
||||
*/
|
||||
#if( configUSE_TICKLESS_IDLE == 1 )
|
||||
static uint32_t xMaximumPossibleSuppressedTicks = 0;
|
||||
#endif /* configUSE_TICKLESS_IDLE */
|
||||
|
||||
/*
|
||||
* Compensate for the CPU cycles that pass while the SysTick is stopped (low
|
||||
* power functionality only.
|
||||
*/
|
||||
#if( configUSE_TICKLESS_IDLE == 1 )
|
||||
static uint32_t ulStoppedTimerCompensation = 0;
|
||||
#endif /* configUSE_TICKLESS_IDLE */
|
||||
|
||||
/*
|
||||
* Used by the portASSERT_IF_INTERRUPT_PRIORITY_INVALID() macro to ensure
|
||||
* FreeRTOS API functions are not called from interrupts that have been assigned
|
||||
* a priority above configMAX_SYSCALL_INTERRUPT_PRIORITY.
|
||||
*/
|
||||
#if( configASSERT_DEFINED == 1 )
|
||||
static uint8_t ucMaxSysCallPriority = 0;
|
||||
static uint32_t ulMaxPRIGROUPValue = 0;
|
||||
static const volatile uint8_t * const pcInterruptPriorityRegisters = ( const volatile uint8_t * const ) portNVIC_IP_REGISTERS_OFFSET_16;
|
||||
#endif /* configASSERT_DEFINED */
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* See header file for description.
|
||||
*/
|
||||
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
|
||||
{
|
||||
/* Simulate the stack frame as it would be created by a context switch
|
||||
interrupt. */
|
||||
|
||||
/* Offset added to account for the way the MCU uses the stack on entry/exit
|
||||
of interrupts, and to ensure alignment. */
|
||||
pxTopOfStack--;
|
||||
|
||||
*pxTopOfStack = portINITIAL_XPSR; /* xPSR */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( ( StackType_t ) pxCode ) & portSTART_ADDRESS_MASK; /* PC */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* LR */
|
||||
|
||||
/* Save code space by skipping register initialisation. */
|
||||
pxTopOfStack -= 5; /* R12, R3, R2 and R1. */
|
||||
*pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */
|
||||
|
||||
/* A save method is being used that requires each task to maintain its
|
||||
own exec return value. */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = portINITIAL_EXC_RETURN;
|
||||
|
||||
pxTopOfStack -= 8; /* R11, R10, R9, R8, R7, R6, R5 and R4. */
|
||||
|
||||
return pxTopOfStack;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvTaskExitError( void )
|
||||
{
|
||||
volatile uint32_t ulDummy = 0;
|
||||
|
||||
/* A function that implements a task must not exit or attempt to return to
|
||||
its caller as there is nothing to return to. If a task wants to exit it
|
||||
should instead call vTaskDelete( NULL ).
|
||||
|
||||
Artificially force an assert() to be triggered if configASSERT() is
|
||||
defined, then stop here so application writers can catch the error. */
|
||||
configASSERT( uxCriticalNesting == ~0UL );
|
||||
portDISABLE_INTERRUPTS();
|
||||
while( ulDummy == 0 )
|
||||
{
|
||||
/* This file calls prvTaskExitError() after the scheduler has been
|
||||
started to remove a compiler warning about the function being defined
|
||||
but never called. ulDummy is used purely to quieten other warnings
|
||||
about code appearing after this function is called - making ulDummy
|
||||
volatile makes the compiler think the function could return and
|
||||
therefore not output an 'unreachable code' warning for code that appears
|
||||
after it. */
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortSVCHandler( void )
|
||||
{
|
||||
__asm volatile (
|
||||
" ldr r3, pxCurrentTCBConst2 \n" /* Restore the context. */
|
||||
" ldr r1, [r3] \n" /* Use pxCurrentTCBConst to get the pxCurrentTCB address. */
|
||||
" ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. */
|
||||
" ldmia r0!, {r4-r11, r14} \n" /* Pop the registers that are not automatically saved on exception entry and the critical nesting count. */
|
||||
" msr psp, r0 \n" /* Restore the task stack pointer. */
|
||||
" isb \n"
|
||||
" mov r0, #0 \n"
|
||||
" msr basepri, r0 \n"
|
||||
" bx r14 \n"
|
||||
" \n"
|
||||
" .align 4 \n"
|
||||
"pxCurrentTCBConst2: .word pxCurrentTCB \n"
|
||||
);
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvPortStartFirstTask( void )
|
||||
{
|
||||
/* Start the first task. This also clears the bit that indicates the FPU is
|
||||
in use in case the FPU was used before the scheduler was started - which
|
||||
would otherwise result in the unnecessary leaving of space in the SVC stack
|
||||
for lazy saving of FPU registers. */
|
||||
__asm volatile(
|
||||
" ldr r0, =0xE000ED08 \n" /* Use the NVIC offset register to locate the stack. */
|
||||
" ldr r0, [r0] \n"
|
||||
" ldr r0, [r0] \n"
|
||||
" msr msp, r0 \n" /* Set the msp back to the start of the stack. */
|
||||
" mov r0, #0 \n" /* Clear the bit that indicates the FPU is in use, see comment above. */
|
||||
" msr control, r0 \n"
|
||||
" cpsie i \n" /* Globally enable interrupts. */
|
||||
" cpsie f \n"
|
||||
" dsb \n"
|
||||
" isb \n"
|
||||
" svc 0 \n" /* System call to start first task. */
|
||||
" nop \n"
|
||||
);
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* See header file for description.
|
||||
*/
|
||||
BaseType_t xPortStartScheduler( void )
|
||||
{
|
||||
/* configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to 0.
|
||||
See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html */
|
||||
configASSERT( configMAX_SYSCALL_INTERRUPT_PRIORITY );
|
||||
|
||||
#if( configASSERT_DEFINED == 1 )
|
||||
{
|
||||
volatile uint32_t ulOriginalPriority;
|
||||
volatile uint8_t * const pucFirstUserPriorityRegister = ( volatile uint8_t * const ) ( portNVIC_IP_REGISTERS_OFFSET_16 + portFIRST_USER_INTERRUPT_NUMBER );
|
||||
volatile uint8_t ucMaxPriorityValue;
|
||||
|
||||
/* Determine the maximum priority from which ISR safe FreeRTOS API
|
||||
functions can be called. ISR safe functions are those that end in
|
||||
"FromISR". FreeRTOS maintains separate thread and ISR API functions to
|
||||
ensure interrupt entry is as fast and simple as possible.
|
||||
|
||||
Save the interrupt priority value that is about to be clobbered. */
|
||||
ulOriginalPriority = *pucFirstUserPriorityRegister;
|
||||
|
||||
/* Determine the number of priority bits available. First write to all
|
||||
possible bits. */
|
||||
*pucFirstUserPriorityRegister = portMAX_8_BIT_VALUE;
|
||||
|
||||
/* Read the value back to see how many bits stuck. */
|
||||
ucMaxPriorityValue = *pucFirstUserPriorityRegister;
|
||||
|
||||
/* Use the same mask on the maximum system call priority. */
|
||||
ucMaxSysCallPriority = configMAX_SYSCALL_INTERRUPT_PRIORITY & ucMaxPriorityValue;
|
||||
|
||||
/* Calculate the maximum acceptable priority group value for the number
|
||||
of bits read back. */
|
||||
ulMaxPRIGROUPValue = portMAX_PRIGROUP_BITS;
|
||||
while( ( ucMaxPriorityValue & portTOP_BIT_OF_BYTE ) == portTOP_BIT_OF_BYTE )
|
||||
{
|
||||
ulMaxPRIGROUPValue--;
|
||||
ucMaxPriorityValue <<= ( uint8_t ) 0x01;
|
||||
}
|
||||
|
||||
#ifdef __NVIC_PRIO_BITS
|
||||
{
|
||||
/* Check the CMSIS configuration that defines the number of
|
||||
priority bits matches the number of priority bits actually queried
|
||||
from the hardware. */
|
||||
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == __NVIC_PRIO_BITS );
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef configPRIO_BITS
|
||||
{
|
||||
/* Check the FreeRTOS configuration that defines the number of
|
||||
priority bits matches the number of priority bits actually queried
|
||||
from the hardware. */
|
||||
configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == configPRIO_BITS );
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Shift the priority group value back to its position within the AIRCR
|
||||
register. */
|
||||
ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT;
|
||||
ulMaxPRIGROUPValue &= portPRIORITY_GROUP_MASK;
|
||||
|
||||
/* Restore the clobbered interrupt priority register to its original
|
||||
value. */
|
||||
*pucFirstUserPriorityRegister = ulOriginalPriority;
|
||||
}
|
||||
#endif /* conifgASSERT_DEFINED */
|
||||
|
||||
/* Make PendSV and SysTick the lowest priority interrupts. */
|
||||
portNVIC_SYSPRI2_REG |= portNVIC_PENDSV_PRI;
|
||||
portNVIC_SYSPRI2_REG |= portNVIC_SYSTICK_PRI;
|
||||
|
||||
/* Start the timer that generates the tick ISR. Interrupts are disabled
|
||||
here already. */
|
||||
vPortSetupTimerInterrupt();
|
||||
|
||||
/* Initialise the critical nesting count ready for the first task. */
|
||||
uxCriticalNesting = 0;
|
||||
|
||||
/* Ensure the VFP is enabled - it should be anyway. */
|
||||
vPortEnableVFP();
|
||||
|
||||
/* Lazy save always. */
|
||||
*( portFPCCR ) |= portASPEN_AND_LSPEN_BITS;
|
||||
|
||||
/* Start the first task. */
|
||||
prvPortStartFirstTask();
|
||||
|
||||
/* Should never get here as the tasks will now be executing! Call the task
|
||||
exit error function to prevent compiler warnings about a static function
|
||||
not being called in the case that the application writer overrides this
|
||||
functionality by defining configTASK_RETURN_ADDRESS. Call
|
||||
vTaskSwitchContext() so link time optimisation does not remove the
|
||||
symbol. */
|
||||
vTaskSwitchContext();
|
||||
prvTaskExitError();
|
||||
|
||||
/* Should not get here! */
|
||||
return 0;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortEndScheduler( void )
|
||||
{
|
||||
/* Not implemented in ports where there is nothing to return to.
|
||||
Artificially force an assert. */
|
||||
configASSERT( uxCriticalNesting == 1000UL );
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortEnterCritical( void )
|
||||
{
|
||||
portDISABLE_INTERRUPTS();
|
||||
uxCriticalNesting++;
|
||||
|
||||
/* This is not the interrupt safe version of the enter critical function so
|
||||
assert() if it is being called from an interrupt context. Only API
|
||||
functions that end in "FromISR" can be used in an interrupt. Only assert if
|
||||
the critical nesting count is 1 to protect against recursive calls if the
|
||||
assert function also uses a critical section. */
|
||||
if( uxCriticalNesting == 1 )
|
||||
{
|
||||
configASSERT( ( portNVIC_INT_CTRL_REG & portVECTACTIVE_MASK ) == 0 );
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortExitCritical( void )
|
||||
{
|
||||
configASSERT( uxCriticalNesting );
|
||||
uxCriticalNesting--;
|
||||
if( uxCriticalNesting == 0 )
|
||||
{
|
||||
portENABLE_INTERRUPTS();
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void xPortPendSVHandler( void )
|
||||
{
|
||||
/* This is a naked function. */
|
||||
|
||||
__asm volatile
|
||||
(
|
||||
" mrs r0, psp \n"
|
||||
" isb \n"
|
||||
" \n"
|
||||
" ldr r3, pxCurrentTCBConst \n" /* Get the location of the current TCB. */
|
||||
" ldr r2, [r3] \n"
|
||||
" \n"
|
||||
" tst r14, #0x10 \n" /* Is the task using the FPU context? If so, push high vfp registers. */
|
||||
" it eq \n"
|
||||
" vstmdbeq r0!, {s16-s31} \n"
|
||||
" \n"
|
||||
" stmdb r0!, {r4-r11, r14} \n" /* Save the core registers. */
|
||||
" str r0, [r2] \n" /* Save the new top of stack into the first member of the TCB. */
|
||||
" \n"
|
||||
" stmdb sp!, {r0, r3} \n"
|
||||
" mov r0, %0 \n"
|
||||
" cpsid i \n" /* Errata workaround. */
|
||||
" msr basepri, r0 \n"
|
||||
" dsb \n"
|
||||
" isb \n"
|
||||
" cpsie i \n" /* Errata workaround. */
|
||||
" bl vTaskSwitchContext \n"
|
||||
" mov r0, #0 \n"
|
||||
" msr basepri, r0 \n"
|
||||
" ldmia sp!, {r0, r3} \n"
|
||||
" \n"
|
||||
" ldr r1, [r3] \n" /* The first item in pxCurrentTCB is the task top of stack. */
|
||||
" ldr r0, [r1] \n"
|
||||
" \n"
|
||||
" ldmia r0!, {r4-r11, r14} \n" /* Pop the core registers. */
|
||||
" \n"
|
||||
" tst r14, #0x10 \n" /* Is the task using the FPU context? If so, pop the high vfp registers too. */
|
||||
" it eq \n"
|
||||
" vldmiaeq r0!, {s16-s31} \n"
|
||||
" \n"
|
||||
" msr psp, r0 \n"
|
||||
" isb \n"
|
||||
" \n"
|
||||
#ifdef WORKAROUND_PMU_CM001 /* XMC4000 specific errata workaround. */
|
||||
#if WORKAROUND_PMU_CM001 == 1
|
||||
" push { r14 } \n"
|
||||
" pop { pc } \n"
|
||||
#endif
|
||||
#endif
|
||||
" \n"
|
||||
" bx r14 \n"
|
||||
" \n"
|
||||
" .align 4 \n"
|
||||
"pxCurrentTCBConst: .word pxCurrentTCB \n"
|
||||
::"i"(configMAX_SYSCALL_INTERRUPT_PRIORITY)
|
||||
);
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void xPortSysTickHandler( void )
|
||||
{
|
||||
/* The SysTick runs at the lowest interrupt priority, so when this interrupt
|
||||
executes all interrupts must be unmasked. There is therefore no need to
|
||||
save and then restore the interrupt mask value as its value is already
|
||||
known. */
|
||||
portDISABLE_INTERRUPTS();
|
||||
{
|
||||
/* Increment the RTOS tick. */
|
||||
if( xTaskIncrementTick() != pdFALSE )
|
||||
{
|
||||
/* A context switch is required. Context switching is performed in
|
||||
the PendSV interrupt. Pend the PendSV interrupt. */
|
||||
portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT;
|
||||
}
|
||||
}
|
||||
portENABLE_INTERRUPTS();
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
#if( configUSE_TICKLESS_IDLE == 1 )
|
||||
|
||||
__attribute__((weak)) void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime )
|
||||
{
|
||||
uint32_t ulReloadValue, ulCompleteTickPeriods, ulCompletedSysTickDecrements;
|
||||
TickType_t xModifiableIdleTime;
|
||||
|
||||
/* Make sure the SysTick reload value does not overflow the counter. */
|
||||
if( xExpectedIdleTime > xMaximumPossibleSuppressedTicks )
|
||||
{
|
||||
xExpectedIdleTime = xMaximumPossibleSuppressedTicks;
|
||||
}
|
||||
|
||||
/* Stop the SysTick momentarily. The time the SysTick is stopped for
|
||||
is accounted for as best it can be, but using the tickless mode will
|
||||
inevitably result in some tiny drift of the time maintained by the
|
||||
kernel with respect to calendar time. */
|
||||
portNVIC_SYSTICK_CTRL_REG &= ~portNVIC_SYSTICK_ENABLE_BIT;
|
||||
|
||||
/* Calculate the reload value required to wait xExpectedIdleTime
|
||||
tick periods. -1 is used because this code will execute part way
|
||||
through one of the tick periods. */
|
||||
ulReloadValue = portNVIC_SYSTICK_CURRENT_VALUE_REG + ( ulTimerCountsForOneTick * ( xExpectedIdleTime - 1UL ) );
|
||||
if( ulReloadValue > ulStoppedTimerCompensation )
|
||||
{
|
||||
ulReloadValue -= ulStoppedTimerCompensation;
|
||||
}
|
||||
|
||||
/* Enter a critical section but don't use the taskENTER_CRITICAL()
|
||||
method as that will mask interrupts that should exit sleep mode. */
|
||||
__asm volatile( "cpsid i" ::: "memory" );
|
||||
__asm volatile( "dsb" );
|
||||
__asm volatile( "isb" );
|
||||
|
||||
/* If a context switch is pending or a task is waiting for the scheduler
|
||||
to be unsuspended then abandon the low power entry. */
|
||||
if( eTaskConfirmSleepModeStatus() == eAbortSleep )
|
||||
{
|
||||
/* Restart from whatever is left in the count register to complete
|
||||
this tick period. */
|
||||
portNVIC_SYSTICK_LOAD_REG = portNVIC_SYSTICK_CURRENT_VALUE_REG;
|
||||
|
||||
/* Restart SysTick. */
|
||||
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
|
||||
|
||||
/* Reset the reload register to the value required for normal tick
|
||||
periods. */
|
||||
portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL;
|
||||
|
||||
/* Re-enable interrupts - see comments above the cpsid instruction()
|
||||
above. */
|
||||
__asm volatile( "cpsie i" ::: "memory" );
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Set the new reload value. */
|
||||
portNVIC_SYSTICK_LOAD_REG = ulReloadValue;
|
||||
|
||||
/* Clear the SysTick count flag and set the count value back to
|
||||
zero. */
|
||||
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
|
||||
|
||||
/* Restart SysTick. */
|
||||
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
|
||||
|
||||
/* Sleep until something happens. configPRE_SLEEP_PROCESSING() can
|
||||
set its parameter to 0 to indicate that its implementation contains
|
||||
its own wait for interrupt or wait for event instruction, and so wfi
|
||||
should not be executed again. However, the original expected idle
|
||||
time variable must remain unmodified, so a copy is taken. */
|
||||
xModifiableIdleTime = xExpectedIdleTime;
|
||||
configPRE_SLEEP_PROCESSING( &xModifiableIdleTime );
|
||||
if( xModifiableIdleTime > 0 )
|
||||
{
|
||||
__asm volatile( "dsb" ::: "memory" );
|
||||
__asm volatile( "wfi" );
|
||||
__asm volatile( "isb" );
|
||||
}
|
||||
configPOST_SLEEP_PROCESSING( &xExpectedIdleTime );
|
||||
|
||||
/* Re-enable interrupts to allow the interrupt that brought the MCU
|
||||
out of sleep mode to execute immediately. see comments above
|
||||
__disable_interrupt() call above. */
|
||||
__asm volatile( "cpsie i" ::: "memory" );
|
||||
__asm volatile( "dsb" );
|
||||
__asm volatile( "isb" );
|
||||
|
||||
/* Disable interrupts again because the clock is about to be stopped
|
||||
and interrupts that execute while the clock is stopped will increase
|
||||
any slippage between the time maintained by the RTOS and calendar
|
||||
time. */
|
||||
__asm volatile( "cpsid i" ::: "memory" );
|
||||
__asm volatile( "dsb" );
|
||||
__asm volatile( "isb" );
|
||||
|
||||
/* Disable the SysTick clock without reading the
|
||||
portNVIC_SYSTICK_CTRL_REG register to ensure the
|
||||
portNVIC_SYSTICK_COUNT_FLAG_BIT is not cleared if it is set. Again,
|
||||
the time the SysTick is stopped for is accounted for as best it can
|
||||
be, but using the tickless mode will inevitably result in some tiny
|
||||
drift of the time maintained by the kernel with respect to calendar
|
||||
time*/
|
||||
portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT );
|
||||
|
||||
/* Determine if the SysTick clock has already counted to zero and
|
||||
been set back to the current reload value (the reload back being
|
||||
correct for the entire expected idle time) or if the SysTick is yet
|
||||
to count to zero (in which case an interrupt other than the SysTick
|
||||
must have brought the system out of sleep mode). */
|
||||
if( ( portNVIC_SYSTICK_CTRL_REG & portNVIC_SYSTICK_COUNT_FLAG_BIT ) != 0 )
|
||||
{
|
||||
uint32_t ulCalculatedLoadValue;
|
||||
|
||||
/* The tick interrupt is already pending, and the SysTick count
|
||||
reloaded with ulReloadValue. Reset the
|
||||
portNVIC_SYSTICK_LOAD_REG with whatever remains of this tick
|
||||
period. */
|
||||
ulCalculatedLoadValue = ( ulTimerCountsForOneTick - 1UL ) - ( ulReloadValue - portNVIC_SYSTICK_CURRENT_VALUE_REG );
|
||||
|
||||
/* Don't allow a tiny value, or values that have somehow
|
||||
underflowed because the post sleep hook did something
|
||||
that took too long. */
|
||||
if( ( ulCalculatedLoadValue < ulStoppedTimerCompensation ) || ( ulCalculatedLoadValue > ulTimerCountsForOneTick ) )
|
||||
{
|
||||
ulCalculatedLoadValue = ( ulTimerCountsForOneTick - 1UL );
|
||||
}
|
||||
|
||||
portNVIC_SYSTICK_LOAD_REG = ulCalculatedLoadValue;
|
||||
|
||||
/* As the pending tick will be processed as soon as this
|
||||
function exits, the tick value maintained by the tick is stepped
|
||||
forward by one less than the time spent waiting. */
|
||||
ulCompleteTickPeriods = xExpectedIdleTime - 1UL;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Something other than the tick interrupt ended the sleep.
|
||||
Work out how long the sleep lasted rounded to complete tick
|
||||
periods (not the ulReload value which accounted for part
|
||||
ticks). */
|
||||
ulCompletedSysTickDecrements = ( xExpectedIdleTime * ulTimerCountsForOneTick ) - portNVIC_SYSTICK_CURRENT_VALUE_REG;
|
||||
|
||||
/* How many complete tick periods passed while the processor
|
||||
was waiting? */
|
||||
ulCompleteTickPeriods = ulCompletedSysTickDecrements / ulTimerCountsForOneTick;
|
||||
|
||||
/* The reload value is set to whatever fraction of a single tick
|
||||
period remains. */
|
||||
portNVIC_SYSTICK_LOAD_REG = ( ( ulCompleteTickPeriods + 1UL ) * ulTimerCountsForOneTick ) - ulCompletedSysTickDecrements;
|
||||
}
|
||||
|
||||
/* Restart SysTick so it runs from portNVIC_SYSTICK_LOAD_REG
|
||||
again, then set portNVIC_SYSTICK_LOAD_REG back to its standard
|
||||
value. */
|
||||
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
|
||||
portNVIC_SYSTICK_CTRL_REG |= portNVIC_SYSTICK_ENABLE_BIT;
|
||||
vTaskStepTick( ulCompleteTickPeriods );
|
||||
portNVIC_SYSTICK_LOAD_REG = ulTimerCountsForOneTick - 1UL;
|
||||
|
||||
/* Exit with interrpts enabled. */
|
||||
__asm volatile( "cpsie i" ::: "memory" );
|
||||
}
|
||||
}
|
||||
|
||||
#endif /* #if configUSE_TICKLESS_IDLE */
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* Setup the systick timer to generate the tick interrupts at the required
|
||||
* frequency.
|
||||
*/
|
||||
__attribute__(( weak )) void vPortSetupTimerInterrupt( void )
|
||||
{
|
||||
/* Calculate the constants required to configure the tick interrupt. */
|
||||
#if( configUSE_TICKLESS_IDLE == 1 )
|
||||
{
|
||||
ulTimerCountsForOneTick = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ );
|
||||
xMaximumPossibleSuppressedTicks = portMAX_24_BIT_NUMBER / ulTimerCountsForOneTick;
|
||||
ulStoppedTimerCompensation = portMISSED_COUNTS_FACTOR / ( configCPU_CLOCK_HZ / configSYSTICK_CLOCK_HZ );
|
||||
}
|
||||
#endif /* configUSE_TICKLESS_IDLE */
|
||||
|
||||
/* Stop and clear the SysTick. */
|
||||
portNVIC_SYSTICK_CTRL_REG = 0UL;
|
||||
portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL;
|
||||
|
||||
/* Configure SysTick to interrupt at the requested rate. */
|
||||
portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL;
|
||||
portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT );
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* This is a naked function. */
|
||||
static void vPortEnableVFP( void )
|
||||
{
|
||||
__asm volatile
|
||||
(
|
||||
" ldr.w r0, =0xE000ED88 \n" /* The FPU enable bits are in the CPACR. */
|
||||
" ldr r1, [r0] \n"
|
||||
" \n"
|
||||
" orr r1, r1, #( 0xf << 20 ) \n" /* Enable CP10 and CP11 coprocessors, then save back. */
|
||||
" str r1, [r0] \n"
|
||||
" bx r14 "
|
||||
);
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
#if( configASSERT_DEFINED == 1 )
|
||||
|
||||
void vPortValidateInterruptPriority( void )
|
||||
{
|
||||
uint32_t ulCurrentInterrupt;
|
||||
uint8_t ucCurrentPriority;
|
||||
|
||||
/* Obtain the number of the currently executing interrupt. */
|
||||
__asm volatile( "mrs %0, ipsr" : "=r"( ulCurrentInterrupt ) :: "memory" );
|
||||
|
||||
/* Is the interrupt number a user defined interrupt? */
|
||||
if( ulCurrentInterrupt >= portFIRST_USER_INTERRUPT_NUMBER )
|
||||
{
|
||||
/* Look up the interrupt's priority. */
|
||||
ucCurrentPriority = pcInterruptPriorityRegisters[ ulCurrentInterrupt ];
|
||||
|
||||
/* The following assertion will fail if a service routine (ISR) for
|
||||
an interrupt that has been assigned a priority above
|
||||
configMAX_SYSCALL_INTERRUPT_PRIORITY calls an ISR safe FreeRTOS API
|
||||
function. ISR safe FreeRTOS API functions must *only* be called
|
||||
from interrupts that have been assigned a priority at or below
|
||||
configMAX_SYSCALL_INTERRUPT_PRIORITY.
|
||||
|
||||
Numerically low interrupt priority numbers represent logically high
|
||||
interrupt priorities, therefore the priority of the interrupt must
|
||||
be set to a value equal to or numerically *higher* than
|
||||
configMAX_SYSCALL_INTERRUPT_PRIORITY.
|
||||
|
||||
Interrupts that use the FreeRTOS API must not be left at their
|
||||
default priority of zero as that is the highest possible priority,
|
||||
which is guaranteed to be above configMAX_SYSCALL_INTERRUPT_PRIORITY,
|
||||
and therefore also guaranteed to be invalid.
|
||||
|
||||
FreeRTOS maintains separate thread and ISR API functions to ensure
|
||||
interrupt entry is as fast and simple as possible.
|
||||
|
||||
The following links provide detailed information:
|
||||
http://www.freertos.org/RTOS-Cortex-M3-M4.html
|
||||
http://www.freertos.org/FAQHelp.html */
|
||||
configASSERT( ucCurrentPriority >= ucMaxSysCallPriority );
|
||||
}
|
||||
|
||||
/* Priority grouping: The interrupt controller (NVIC) allows the bits
|
||||
that define each interrupt's priority to be split between bits that
|
||||
define the interrupt's pre-emption priority bits and bits that define
|
||||
the interrupt's sub-priority. For simplicity all bits must be defined
|
||||
to be pre-emption priority bits. The following assertion will fail if
|
||||
this is not the case (if some bits represent a sub-priority).
|
||||
|
||||
If the application only uses CMSIS libraries for interrupt
|
||||
configuration then the correct setting can be achieved on all Cortex-M
|
||||
devices by calling NVIC_SetPriorityGrouping( 0 ); before starting the
|
||||
scheduler. Note however that some vendor specific peripheral libraries
|
||||
assume a non-zero priority group setting, in which cases using a value
|
||||
of zero will result in unpredictable behaviour. */
|
||||
configASSERT( ( portAIRCR_REG & portPRIORITY_GROUP_MASK ) <= ulMaxPRIGROUPValue );
|
||||
}
|
||||
|
||||
#endif /* configASSERT_DEFINED */
|
||||
|
||||
|
||||
@@ -0,0 +1,247 @@
|
||||
/*
|
||||
* FreeRTOS Kernel V10.2.1
|
||||
* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||
* this software and associated documentation files (the "Software"), to deal in
|
||||
* the Software without restriction, including without limitation the rights to
|
||||
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
||||
* the Software, and to permit persons to whom the Software is furnished to do so,
|
||||
* subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in all
|
||||
* copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
||||
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
||||
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
* http://www.FreeRTOS.org
|
||||
* http://aws.amazon.com/freertos
|
||||
*
|
||||
* 1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
|
||||
#ifndef PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Port specific definitions.
|
||||
*
|
||||
* The settings in this file configure FreeRTOS correctly for the
|
||||
* given hardware and compiler.
|
||||
*
|
||||
* These settings should not be altered.
|
||||
*-----------------------------------------------------------
|
||||
*/
|
||||
|
||||
/* Type definitions. */
|
||||
#define portCHAR char
|
||||
#define portFLOAT float
|
||||
#define portDOUBLE double
|
||||
#define portLONG long
|
||||
#define portSHORT short
|
||||
#define portSTACK_TYPE uint32_t
|
||||
#define portBASE_TYPE long
|
||||
|
||||
typedef portSTACK_TYPE StackType_t;
|
||||
typedef long BaseType_t;
|
||||
typedef unsigned long UBaseType_t;
|
||||
|
||||
#if( configUSE_16_BIT_TICKS == 1 )
|
||||
typedef uint16_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffff
|
||||
#else
|
||||
typedef uint32_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
|
||||
|
||||
/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
|
||||
not need to be guarded with a critical section. */
|
||||
#define portTICK_TYPE_IS_ATOMIC 1
|
||||
#endif
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Architecture specifics. */
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
||||
#define portBYTE_ALIGNMENT 8
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Scheduler utilities. */
|
||||
#define portYIELD() \
|
||||
{ \
|
||||
/* Set a PendSV to request a context switch. */ \
|
||||
portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT; \
|
||||
\
|
||||
/* Barriers are normally not required but do ensure the code is completely \
|
||||
within the specified behaviour for the architecture. */ \
|
||||
__asm volatile( "dsb" ::: "memory" ); \
|
||||
__asm volatile( "isb" ); \
|
||||
}
|
||||
|
||||
#define portNVIC_INT_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed04 ) )
|
||||
#define portNVIC_PENDSVSET_BIT ( 1UL << 28UL )
|
||||
#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired != pdFALSE ) portYIELD()
|
||||
#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Critical section management. */
|
||||
extern void vPortEnterCritical( void );
|
||||
extern void vPortExitCritical( void );
|
||||
#define portSET_INTERRUPT_MASK_FROM_ISR() ulPortRaiseBASEPRI()
|
||||
#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vPortSetBASEPRI(x)
|
||||
#define portDISABLE_INTERRUPTS() vPortRaiseBASEPRI()
|
||||
#define portENABLE_INTERRUPTS() vPortSetBASEPRI(0)
|
||||
#define portENTER_CRITICAL() vPortEnterCritical()
|
||||
#define portEXIT_CRITICAL() vPortExitCritical()
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Task function macros as described on the FreeRTOS.org WEB site. These are
|
||||
not necessary for to use this port. They are defined so the common demo files
|
||||
(which build with all the ports) will build. */
|
||||
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
||||
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Tickless idle/low power functionality. */
|
||||
#ifndef portSUPPRESS_TICKS_AND_SLEEP
|
||||
extern void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime );
|
||||
#define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime )
|
||||
#endif
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Architecture specific optimisations. */
|
||||
#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION
|
||||
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
|
||||
#endif
|
||||
|
||||
#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
|
||||
|
||||
/* Generic helper function. */
|
||||
__attribute__( ( always_inline ) ) static inline uint8_t ucPortCountLeadingZeros( uint32_t ulBitmap )
|
||||
{
|
||||
uint8_t ucReturn;
|
||||
|
||||
__asm volatile ( "clz %0, %1" : "=r" ( ucReturn ) : "r" ( ulBitmap ) : "memory" );
|
||||
return ucReturn;
|
||||
}
|
||||
|
||||
/* Check the configuration. */
|
||||
#if( configMAX_PRIORITIES > 32 )
|
||||
#error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.
|
||||
#endif
|
||||
|
||||
/* Store/clear the ready priorities in a bit map. */
|
||||
#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
|
||||
#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - ( uint32_t ) ucPortCountLeadingZeros( ( uxReadyPriorities ) ) )
|
||||
|
||||
#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
#ifdef configASSERT
|
||||
void vPortValidateInterruptPriority( void );
|
||||
#define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() vPortValidateInterruptPriority()
|
||||
#endif
|
||||
|
||||
/* portNOP() is not required by this port. */
|
||||
#define portNOP()
|
||||
|
||||
#define portINLINE __inline
|
||||
|
||||
#ifndef portFORCE_INLINE
|
||||
#define portFORCE_INLINE inline __attribute__(( always_inline))
|
||||
#endif
|
||||
|
||||
portFORCE_INLINE static BaseType_t xPortIsInsideInterrupt( void )
|
||||
{
|
||||
uint32_t ulCurrentInterrupt;
|
||||
BaseType_t xReturn;
|
||||
|
||||
/* Obtain the number of the currently executing interrupt. */
|
||||
__asm volatile( "mrs %0, ipsr" : "=r"( ulCurrentInterrupt ) :: "memory" );
|
||||
|
||||
if( ulCurrentInterrupt == 0 )
|
||||
{
|
||||
xReturn = pdFALSE;
|
||||
}
|
||||
else
|
||||
{
|
||||
xReturn = pdTRUE;
|
||||
}
|
||||
|
||||
return xReturn;
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
portFORCE_INLINE static void vPortRaiseBASEPRI( void )
|
||||
{
|
||||
uint32_t ulNewBASEPRI;
|
||||
|
||||
__asm volatile
|
||||
(
|
||||
" mov %0, %1 \n" \
|
||||
" cpsid i \n" \
|
||||
" msr basepri, %0 \n" \
|
||||
" isb \n" \
|
||||
" dsb \n" \
|
||||
" cpsie i \n" \
|
||||
:"=r" (ulNewBASEPRI) : "i" ( configMAX_SYSCALL_INTERRUPT_PRIORITY ) : "memory"
|
||||
);
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
portFORCE_INLINE static uint32_t ulPortRaiseBASEPRI( void )
|
||||
{
|
||||
uint32_t ulOriginalBASEPRI, ulNewBASEPRI;
|
||||
|
||||
__asm volatile
|
||||
(
|
||||
" mrs %0, basepri \n" \
|
||||
" mov %1, %2 \n" \
|
||||
" cpsid i \n" \
|
||||
" msr basepri, %1 \n" \
|
||||
" isb \n" \
|
||||
" dsb \n" \
|
||||
" cpsie i \n" \
|
||||
:"=r" (ulOriginalBASEPRI), "=r" (ulNewBASEPRI) : "i" ( configMAX_SYSCALL_INTERRUPT_PRIORITY ) : "memory"
|
||||
);
|
||||
|
||||
/* This return will not be reached but is necessary to prevent compiler
|
||||
warnings. */
|
||||
return ulOriginalBASEPRI;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
portFORCE_INLINE static void vPortSetBASEPRI( uint32_t ulNewMaskValue )
|
||||
{
|
||||
__asm volatile
|
||||
(
|
||||
" msr basepri, %0 " :: "r" ( ulNewMaskValue ) : "memory"
|
||||
);
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
#define portMEMORY_BARRIER() __asm volatile( "" ::: "memory" )
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
||||
436
P7_SETR2/P7_SETR2_TGFX/gcc/Middlewares/Third_Party/FreeRTOS/Source/portable/MemMang/heap_4.c
vendored
Normal file
436
P7_SETR2/P7_SETR2_TGFX/gcc/Middlewares/Third_Party/FreeRTOS/Source/portable/MemMang/heap_4.c
vendored
Normal file
@@ -0,0 +1,436 @@
|
||||
/*
|
||||
* FreeRTOS Kernel V10.2.1
|
||||
* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||
* this software and associated documentation files (the "Software"), to deal in
|
||||
* the Software without restriction, including without limitation the rights to
|
||||
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
||||
* the Software, and to permit persons to whom the Software is furnished to do so,
|
||||
* subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in all
|
||||
* copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
||||
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
||||
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
* http://www.FreeRTOS.org
|
||||
* http://aws.amazon.com/freertos
|
||||
*
|
||||
* 1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
/*
|
||||
* A sample implementation of pvPortMalloc() and vPortFree() that combines
|
||||
* (coalescences) adjacent memory blocks as they are freed, and in so doing
|
||||
* limits memory fragmentation.
|
||||
*
|
||||
* See heap_1.c, heap_2.c and heap_3.c for alternative implementations, and the
|
||||
* memory management pages of http://www.FreeRTOS.org for more information.
|
||||
*/
|
||||
#include <stdlib.h>
|
||||
|
||||
/* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining
|
||||
all the API functions to use the MPU wrappers. That should only be done when
|
||||
task.h is included from an application file. */
|
||||
#define MPU_WRAPPERS_INCLUDED_FROM_API_FILE
|
||||
|
||||
#include "FreeRTOS.h"
|
||||
#include "task.h"
|
||||
|
||||
#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE
|
||||
|
||||
#if( configSUPPORT_DYNAMIC_ALLOCATION == 0 )
|
||||
#error This file must not be used if configSUPPORT_DYNAMIC_ALLOCATION is 0
|
||||
#endif
|
||||
|
||||
/* Block sizes must not get too small. */
|
||||
#define heapMINIMUM_BLOCK_SIZE ( ( size_t ) ( xHeapStructSize << 1 ) )
|
||||
|
||||
/* Assumes 8bit bytes! */
|
||||
#define heapBITS_PER_BYTE ( ( size_t ) 8 )
|
||||
|
||||
/* Allocate the memory for the heap. */
|
||||
#if( configAPPLICATION_ALLOCATED_HEAP == 1 )
|
||||
/* The application writer has already defined the array used for the RTOS
|
||||
heap - probably so it can be placed in a special segment or address. */
|
||||
extern uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
|
||||
#else
|
||||
static uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
|
||||
#endif /* configAPPLICATION_ALLOCATED_HEAP */
|
||||
|
||||
/* Define the linked list structure. This is used to link free blocks in order
|
||||
of their memory address. */
|
||||
typedef struct A_BLOCK_LINK
|
||||
{
|
||||
struct A_BLOCK_LINK *pxNextFreeBlock; /*<< The next free block in the list. */
|
||||
size_t xBlockSize; /*<< The size of the free block. */
|
||||
} BlockLink_t;
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* Inserts a block of memory that is being freed into the correct position in
|
||||
* the list of free memory blocks. The block being freed will be merged with
|
||||
* the block in front it and/or the block behind it if the memory blocks are
|
||||
* adjacent to each other.
|
||||
*/
|
||||
static void prvInsertBlockIntoFreeList( BlockLink_t *pxBlockToInsert );
|
||||
|
||||
/*
|
||||
* Called automatically to setup the required heap structures the first time
|
||||
* pvPortMalloc() is called.
|
||||
*/
|
||||
static void prvHeapInit( void );
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* The size of the structure placed at the beginning of each allocated memory
|
||||
block must by correctly byte aligned. */
|
||||
static const size_t xHeapStructSize = ( sizeof( BlockLink_t ) + ( ( size_t ) ( portBYTE_ALIGNMENT - 1 ) ) ) & ~( ( size_t ) portBYTE_ALIGNMENT_MASK );
|
||||
|
||||
/* Create a couple of list links to mark the start and end of the list. */
|
||||
static BlockLink_t xStart, *pxEnd = NULL;
|
||||
|
||||
/* Keeps track of the number of free bytes remaining, but says nothing about
|
||||
fragmentation. */
|
||||
static size_t xFreeBytesRemaining = 0U;
|
||||
static size_t xMinimumEverFreeBytesRemaining = 0U;
|
||||
|
||||
/* Gets set to the top bit of an size_t type. When this bit in the xBlockSize
|
||||
member of an BlockLink_t structure is set then the block belongs to the
|
||||
application. When the bit is free the block is still part of the free heap
|
||||
space. */
|
||||
static size_t xBlockAllocatedBit = 0;
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void *pvPortMalloc( size_t xWantedSize )
|
||||
{
|
||||
BlockLink_t *pxBlock, *pxPreviousBlock, *pxNewBlockLink;
|
||||
void *pvReturn = NULL;
|
||||
|
||||
vTaskSuspendAll();
|
||||
{
|
||||
/* If this is the first call to malloc then the heap will require
|
||||
initialisation to setup the list of free blocks. */
|
||||
if( pxEnd == NULL )
|
||||
{
|
||||
prvHeapInit();
|
||||
}
|
||||
else
|
||||
{
|
||||
mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
|
||||
/* Check the requested block size is not so large that the top bit is
|
||||
set. The top bit of the block size member of the BlockLink_t structure
|
||||
is used to determine who owns the block - the application or the
|
||||
kernel, so it must be free. */
|
||||
if( ( xWantedSize & xBlockAllocatedBit ) == 0 )
|
||||
{
|
||||
/* The wanted size is increased so it can contain a BlockLink_t
|
||||
structure in addition to the requested amount of bytes. */
|
||||
if( xWantedSize > 0 )
|
||||
{
|
||||
xWantedSize += xHeapStructSize;
|
||||
|
||||
/* Ensure that blocks are always aligned to the required number
|
||||
of bytes. */
|
||||
if( ( xWantedSize & portBYTE_ALIGNMENT_MASK ) != 0x00 )
|
||||
{
|
||||
/* Byte alignment required. */
|
||||
xWantedSize += ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) );
|
||||
configASSERT( ( xWantedSize & portBYTE_ALIGNMENT_MASK ) == 0 );
|
||||
}
|
||||
else
|
||||
{
|
||||
mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
|
||||
if( ( xWantedSize > 0 ) && ( xWantedSize <= xFreeBytesRemaining ) )
|
||||
{
|
||||
/* Traverse the list from the start (lowest address) block until
|
||||
one of adequate size is found. */
|
||||
pxPreviousBlock = &xStart;
|
||||
pxBlock = xStart.pxNextFreeBlock;
|
||||
while( ( pxBlock->xBlockSize < xWantedSize ) && ( pxBlock->pxNextFreeBlock != NULL ) )
|
||||
{
|
||||
pxPreviousBlock = pxBlock;
|
||||
pxBlock = pxBlock->pxNextFreeBlock;
|
||||
}
|
||||
|
||||
/* If the end marker was reached then a block of adequate size
|
||||
was not found. */
|
||||
if( pxBlock != pxEnd )
|
||||
{
|
||||
/* Return the memory space pointed to - jumping over the
|
||||
BlockLink_t structure at its start. */
|
||||
pvReturn = ( void * ) ( ( ( uint8_t * ) pxPreviousBlock->pxNextFreeBlock ) + xHeapStructSize );
|
||||
|
||||
/* This block is being returned for use so must be taken out
|
||||
of the list of free blocks. */
|
||||
pxPreviousBlock->pxNextFreeBlock = pxBlock->pxNextFreeBlock;
|
||||
|
||||
/* If the block is larger than required it can be split into
|
||||
two. */
|
||||
if( ( pxBlock->xBlockSize - xWantedSize ) > heapMINIMUM_BLOCK_SIZE )
|
||||
{
|
||||
/* This block is to be split into two. Create a new
|
||||
block following the number of bytes requested. The void
|
||||
cast is used to prevent byte alignment warnings from the
|
||||
compiler. */
|
||||
pxNewBlockLink = ( void * ) ( ( ( uint8_t * ) pxBlock ) + xWantedSize );
|
||||
configASSERT( ( ( ( size_t ) pxNewBlockLink ) & portBYTE_ALIGNMENT_MASK ) == 0 );
|
||||
|
||||
/* Calculate the sizes of two blocks split from the
|
||||
single block. */
|
||||
pxNewBlockLink->xBlockSize = pxBlock->xBlockSize - xWantedSize;
|
||||
pxBlock->xBlockSize = xWantedSize;
|
||||
|
||||
/* Insert the new block into the list of free blocks. */
|
||||
prvInsertBlockIntoFreeList( pxNewBlockLink );
|
||||
}
|
||||
else
|
||||
{
|
||||
mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
|
||||
xFreeBytesRemaining -= pxBlock->xBlockSize;
|
||||
|
||||
if( xFreeBytesRemaining < xMinimumEverFreeBytesRemaining )
|
||||
{
|
||||
xMinimumEverFreeBytesRemaining = xFreeBytesRemaining;
|
||||
}
|
||||
else
|
||||
{
|
||||
mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
|
||||
/* The block is being returned - it is allocated and owned
|
||||
by the application and has no "next" block. */
|
||||
pxBlock->xBlockSize |= xBlockAllocatedBit;
|
||||
pxBlock->pxNextFreeBlock = NULL;
|
||||
}
|
||||
else
|
||||
{
|
||||
mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
|
||||
traceMALLOC( pvReturn, xWantedSize );
|
||||
}
|
||||
( void ) xTaskResumeAll();
|
||||
|
||||
#if( configUSE_MALLOC_FAILED_HOOK == 1 )
|
||||
{
|
||||
if( pvReturn == NULL )
|
||||
{
|
||||
extern void vApplicationMallocFailedHook( void );
|
||||
vApplicationMallocFailedHook();
|
||||
}
|
||||
else
|
||||
{
|
||||
mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
configASSERT( ( ( ( size_t ) pvReturn ) & ( size_t ) portBYTE_ALIGNMENT_MASK ) == 0 );
|
||||
return pvReturn;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortFree( void *pv )
|
||||
{
|
||||
uint8_t *puc = ( uint8_t * ) pv;
|
||||
BlockLink_t *pxLink;
|
||||
|
||||
if( pv != NULL )
|
||||
{
|
||||
/* The memory being freed will have an BlockLink_t structure immediately
|
||||
before it. */
|
||||
puc -= xHeapStructSize;
|
||||
|
||||
/* This casting is to keep the compiler from issuing warnings. */
|
||||
pxLink = ( void * ) puc;
|
||||
|
||||
/* Check the block is actually allocated. */
|
||||
configASSERT( ( pxLink->xBlockSize & xBlockAllocatedBit ) != 0 );
|
||||
configASSERT( pxLink->pxNextFreeBlock == NULL );
|
||||
|
||||
if( ( pxLink->xBlockSize & xBlockAllocatedBit ) != 0 )
|
||||
{
|
||||
if( pxLink->pxNextFreeBlock == NULL )
|
||||
{
|
||||
/* The block is being returned to the heap - it is no longer
|
||||
allocated. */
|
||||
pxLink->xBlockSize &= ~xBlockAllocatedBit;
|
||||
|
||||
vTaskSuspendAll();
|
||||
{
|
||||
/* Add this block to the list of free blocks. */
|
||||
xFreeBytesRemaining += pxLink->xBlockSize;
|
||||
traceFREE( pv, pxLink->xBlockSize );
|
||||
prvInsertBlockIntoFreeList( ( ( BlockLink_t * ) pxLink ) );
|
||||
}
|
||||
( void ) xTaskResumeAll();
|
||||
}
|
||||
else
|
||||
{
|
||||
mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
size_t xPortGetFreeHeapSize( void )
|
||||
{
|
||||
return xFreeBytesRemaining;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
size_t xPortGetMinimumEverFreeHeapSize( void )
|
||||
{
|
||||
return xMinimumEverFreeBytesRemaining;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortInitialiseBlocks( void )
|
||||
{
|
||||
/* This just exists to keep the linker quiet. */
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvHeapInit( void )
|
||||
{
|
||||
BlockLink_t *pxFirstFreeBlock;
|
||||
uint8_t *pucAlignedHeap;
|
||||
size_t uxAddress;
|
||||
size_t xTotalHeapSize = configTOTAL_HEAP_SIZE;
|
||||
|
||||
/* Ensure the heap starts on a correctly aligned boundary. */
|
||||
uxAddress = ( size_t ) ucHeap;
|
||||
|
||||
if( ( uxAddress & portBYTE_ALIGNMENT_MASK ) != 0 )
|
||||
{
|
||||
uxAddress += ( portBYTE_ALIGNMENT - 1 );
|
||||
uxAddress &= ~( ( size_t ) portBYTE_ALIGNMENT_MASK );
|
||||
xTotalHeapSize -= uxAddress - ( size_t ) ucHeap;
|
||||
}
|
||||
|
||||
pucAlignedHeap = ( uint8_t * ) uxAddress;
|
||||
|
||||
/* xStart is used to hold a pointer to the first item in the list of free
|
||||
blocks. The void cast is used to prevent compiler warnings. */
|
||||
xStart.pxNextFreeBlock = ( void * ) pucAlignedHeap;
|
||||
xStart.xBlockSize = ( size_t ) 0;
|
||||
|
||||
/* pxEnd is used to mark the end of the list of free blocks and is inserted
|
||||
at the end of the heap space. */
|
||||
uxAddress = ( ( size_t ) pucAlignedHeap ) + xTotalHeapSize;
|
||||
uxAddress -= xHeapStructSize;
|
||||
uxAddress &= ~( ( size_t ) portBYTE_ALIGNMENT_MASK );
|
||||
pxEnd = ( void * ) uxAddress;
|
||||
pxEnd->xBlockSize = 0;
|
||||
pxEnd->pxNextFreeBlock = NULL;
|
||||
|
||||
/* To start with there is a single free block that is sized to take up the
|
||||
entire heap space, minus the space taken by pxEnd. */
|
||||
pxFirstFreeBlock = ( void * ) pucAlignedHeap;
|
||||
pxFirstFreeBlock->xBlockSize = uxAddress - ( size_t ) pxFirstFreeBlock;
|
||||
pxFirstFreeBlock->pxNextFreeBlock = pxEnd;
|
||||
|
||||
/* Only one block exists - and it covers the entire usable heap space. */
|
||||
xMinimumEverFreeBytesRemaining = pxFirstFreeBlock->xBlockSize;
|
||||
xFreeBytesRemaining = pxFirstFreeBlock->xBlockSize;
|
||||
|
||||
/* Work out the position of the top bit in a size_t variable. */
|
||||
xBlockAllocatedBit = ( ( size_t ) 1 ) << ( ( sizeof( size_t ) * heapBITS_PER_BYTE ) - 1 );
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvInsertBlockIntoFreeList( BlockLink_t *pxBlockToInsert )
|
||||
{
|
||||
BlockLink_t *pxIterator;
|
||||
uint8_t *puc;
|
||||
|
||||
/* Iterate through the list until a block is found that has a higher address
|
||||
than the block being inserted. */
|
||||
for( pxIterator = &xStart; pxIterator->pxNextFreeBlock < pxBlockToInsert; pxIterator = pxIterator->pxNextFreeBlock )
|
||||
{
|
||||
/* Nothing to do here, just iterate to the right position. */
|
||||
}
|
||||
|
||||
/* Do the block being inserted, and the block it is being inserted after
|
||||
make a contiguous block of memory? */
|
||||
puc = ( uint8_t * ) pxIterator;
|
||||
if( ( puc + pxIterator->xBlockSize ) == ( uint8_t * ) pxBlockToInsert )
|
||||
{
|
||||
pxIterator->xBlockSize += pxBlockToInsert->xBlockSize;
|
||||
pxBlockToInsert = pxIterator;
|
||||
}
|
||||
else
|
||||
{
|
||||
mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
|
||||
/* Do the block being inserted, and the block it is being inserted before
|
||||
make a contiguous block of memory? */
|
||||
puc = ( uint8_t * ) pxBlockToInsert;
|
||||
if( ( puc + pxBlockToInsert->xBlockSize ) == ( uint8_t * ) pxIterator->pxNextFreeBlock )
|
||||
{
|
||||
if( pxIterator->pxNextFreeBlock != pxEnd )
|
||||
{
|
||||
/* Form one big block from the two blocks. */
|
||||
pxBlockToInsert->xBlockSize += pxIterator->pxNextFreeBlock->xBlockSize;
|
||||
pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock->pxNextFreeBlock;
|
||||
}
|
||||
else
|
||||
{
|
||||
pxBlockToInsert->pxNextFreeBlock = pxEnd;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
|
||||
}
|
||||
|
||||
/* If the block being inserted plugged a gab, so was merged with the block
|
||||
before and the block after, then it's pxNextFreeBlock pointer will have
|
||||
already been set, and should not be set here as that would make it point
|
||||
to itself. */
|
||||
if( pxIterator != pxBlockToInsert )
|
||||
{
|
||||
pxIterator->pxNextFreeBlock = pxBlockToInsert;
|
||||
}
|
||||
else
|
||||
{
|
||||
mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
}
|
||||
|
||||
204
P7_SETR2/P7_SETR2_TGFX/gcc/STM32F746NGHx_FLASH.ld
Normal file
204
P7_SETR2/P7_SETR2_TGFX/gcc/STM32F746NGHx_FLASH.ld
Normal file
@@ -0,0 +1,204 @@
|
||||
/*
|
||||
*****************************************************************************
|
||||
**
|
||||
|
||||
** File : LinkerScript.ld
|
||||
**
|
||||
** Abstract : Linker script for STM32F746NGHx Device with
|
||||
** 1024KByte FLASH, 320KByte RAM
|
||||
**
|
||||
** Set heap size, stack size and stack location according
|
||||
** to application requirements.
|
||||
**
|
||||
** Set memory bank area and size if external memory is used.
|
||||
**
|
||||
** Target : STMicroelectronics STM32
|
||||
**
|
||||
**
|
||||
** Distribution: The file is distributed as is, without any warranty
|
||||
** of any kind.
|
||||
**
|
||||
** (c)Copyright Ac6.
|
||||
** You may use this file as-is or modify it according to the needs of your
|
||||
** project. Distribution of this file (unmodified or modified) is not
|
||||
** permitted. Ac6 permit registered System Workbench for MCU users the
|
||||
** rights to distribute the assembled, compiled & linked contents of this
|
||||
** file as part of an application binary file, provided that it is built
|
||||
** using the System Workbench for MCU toolchain.
|
||||
**
|
||||
*****************************************************************************
|
||||
*/
|
||||
|
||||
/* Entry Point */
|
||||
ENTRY(Reset_Handler)
|
||||
|
||||
/* Highest address of the user mode stack */
|
||||
_estack = 0x20050000; /* end of RAM */
|
||||
/* Generate a link error if heap and stack don't fit into RAM */
|
||||
_Min_Heap_Size = 0x200; /* required amount of heap */
|
||||
_Min_Stack_Size = 0x400; /* required amount of stack */
|
||||
|
||||
/* Specify the memory areas */
|
||||
MEMORY
|
||||
{
|
||||
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 320K
|
||||
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
|
||||
QUADSPI (r) : ORIGIN = 0x90000000, LENGTH = 16M
|
||||
SDRAM (xrw) : ORIGIN = 0xC0000000, LENGTH = 8M
|
||||
}
|
||||
|
||||
/* Define output sections */
|
||||
SECTIONS
|
||||
{
|
||||
/* The startup code goes first into FLASH */
|
||||
.isr_vector :
|
||||
{
|
||||
. = ALIGN(4);
|
||||
KEEP(*(.isr_vector)) /* Startup code */
|
||||
. = ALIGN(4);
|
||||
} >FLASH
|
||||
|
||||
/* The program code and other data goes into FLASH */
|
||||
.text :
|
||||
{
|
||||
. = ALIGN(4);
|
||||
*(.text) /* .text sections (code) */
|
||||
*(.text*) /* .text* sections (code) */
|
||||
*(.glue_7) /* glue arm to thumb code */
|
||||
*(.glue_7t) /* glue thumb to arm code */
|
||||
*(.eh_frame)
|
||||
|
||||
KEEP (*(.init))
|
||||
KEEP (*(.fini))
|
||||
|
||||
. = ALIGN(4);
|
||||
_etext = .; /* define a global symbols at end of code */
|
||||
} >FLASH
|
||||
|
||||
/* Constant data goes into FLASH */
|
||||
.rodata :
|
||||
{
|
||||
. = ALIGN(4);
|
||||
*(.rodata) /* .rodata sections (constants, strings, etc.) */
|
||||
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
|
||||
. = ALIGN(4);
|
||||
} >FLASH
|
||||
|
||||
.ARM.extab (READONLY) : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
|
||||
{
|
||||
*(.ARM.extab* .gnu.linkonce.armextab.*)
|
||||
} >FLASH
|
||||
|
||||
.ARM (READONLY) : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
|
||||
{
|
||||
__exidx_start = .;
|
||||
*(.ARM.exidx*)
|
||||
__exidx_end = .;
|
||||
} >FLASH
|
||||
|
||||
.preinit_array (READONLY) : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
|
||||
{
|
||||
PROVIDE_HIDDEN (__preinit_array_start = .);
|
||||
KEEP (*(.preinit_array*))
|
||||
PROVIDE_HIDDEN (__preinit_array_end = .);
|
||||
} >FLASH
|
||||
.init_array (READONLY) : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
|
||||
{
|
||||
PROVIDE_HIDDEN (__init_array_start = .);
|
||||
KEEP (*(SORT(.init_array.*)))
|
||||
KEEP (*(.init_array*))
|
||||
PROVIDE_HIDDEN (__init_array_end = .);
|
||||
} >FLASH
|
||||
.fini_array (READONLY) : /* The READONLY keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
|
||||
{
|
||||
PROVIDE_HIDDEN (__fini_array_start = .);
|
||||
KEEP (*(SORT(.fini_array.*)))
|
||||
KEEP (*(.fini_array*))
|
||||
PROVIDE_HIDDEN (__fini_array_end = .);
|
||||
} >FLASH
|
||||
|
||||
/* used by the startup to initialize data */
|
||||
_sidata = LOADADDR(.data);
|
||||
|
||||
/* Initialized data sections goes into RAM, load LMA copy after code */
|
||||
.data :
|
||||
{
|
||||
. = ALIGN(4);
|
||||
_sdata = .; /* create a global symbol at data start */
|
||||
*(.data) /* .data sections */
|
||||
*(.data*) /* .data* sections */
|
||||
|
||||
. = ALIGN(4);
|
||||
_edata = .; /* define a global symbol at data end */
|
||||
} >RAM AT> FLASH
|
||||
|
||||
|
||||
/* Uninitialized data section */
|
||||
. = ALIGN(4);
|
||||
.bss :
|
||||
{
|
||||
/* This is used by the startup in order to initialize the .bss secion */
|
||||
_sbss = .; /* define a global symbol at bss start */
|
||||
__bss_start__ = _sbss;
|
||||
*(.bss)
|
||||
*(.bss*)
|
||||
*(COMMON)
|
||||
|
||||
. = ALIGN(4);
|
||||
_ebss = .; /* define a global symbol at bss end */
|
||||
__bss_end__ = _ebss;
|
||||
} >RAM
|
||||
|
||||
/* User_heap_stack section, used to check that there is enough RAM left */
|
||||
._user_heap_stack :
|
||||
{
|
||||
. = ALIGN(8);
|
||||
PROVIDE ( end = . );
|
||||
PROVIDE ( _end = . );
|
||||
. = . + _Min_Heap_Size;
|
||||
. = . + _Min_Stack_Size;
|
||||
. = ALIGN(8);
|
||||
} >RAM
|
||||
|
||||
/* Remove information from the standard libraries */
|
||||
/DISCARD/ :
|
||||
{
|
||||
libc.a ( * )
|
||||
libm.a ( * )
|
||||
libgcc.a ( * )
|
||||
}
|
||||
|
||||
BufferSection (NOLOAD) :
|
||||
{
|
||||
*(TouchGFX_Framebuffer TouchGFX_Framebuffer.*)
|
||||
*(.gnu.linkonce.r.*)
|
||||
. = ALIGN(0x4);
|
||||
|
||||
*(Video_RGB_Buffer Video_RGB_Buffer.*)
|
||||
*(.gnu.linkonce.r.*)
|
||||
. = ALIGN(0x4);
|
||||
} >SDRAM
|
||||
|
||||
.ARM.attributes 0 : { *(.ARM.attributes) }
|
||||
|
||||
ExtFlashSection :
|
||||
{
|
||||
*(ExtFlashSection ExtFlashSection.*)
|
||||
*(.gnu.linkonce.r.*)
|
||||
. = ALIGN(0x4);
|
||||
} >QUADSPI
|
||||
|
||||
FontFlashSection :
|
||||
{
|
||||
*(FontFlashSection FontFlashSection.*)
|
||||
*(.gnu.linkonce.r.*)
|
||||
. = ALIGN(0x4);
|
||||
} >QUADSPI
|
||||
|
||||
TextFlashSection :
|
||||
{
|
||||
*(TextFlashSection TextFlashSection.*)
|
||||
*(.gnu.linkonce.r.*)
|
||||
. = ALIGN(0x4);
|
||||
} >QUADSPI
|
||||
}
|
||||
38
P7_SETR2/P7_SETR2_TGFX/gcc/include/cube_programmer.mk
Normal file
38
P7_SETR2/P7_SETR2_TGFX/gcc/include/cube_programmer.mk
Normal file
@@ -0,0 +1,38 @@
|
||||
stm32cube_programmer_path := STMicroelectronics/STM32Cube/STM32CubeProgrammer/bin
|
||||
stm32cube_programmer_filename := STM32_Programmer_CLI.exe
|
||||
stm32cube_programmer_filepath := $(stm32cube_programmer_path)/$(stm32cube_programmer_filename)
|
||||
stm32cube_loader_relative_path := ExternalLoader/$(stldr)
|
||||
stm32cube_loader := $(stm32cube_programmer_path)/$(stm32cube_loader_relative_path)
|
||||
|
||||
program_files_win32 = /c/Program Files (x86)
|
||||
program_files_win64 = /c/Program Files
|
||||
program_files_CLT = /c/ST/STM32CubeCLT/STM32CubeCLT/
|
||||
|
||||
# Check which tools are installed
|
||||
ifneq ("$(shell find "$(program_files_win64)/$(stm32cube_programmer_filepath)" 2> nul )","")
|
||||
program_files_path := $(program_files_win64)
|
||||
else ifneq ("$(shell find "$(program_files_win32)/$(stm32cube_programmer_filepath)" 2> nul )","")
|
||||
program_files_path := $(program_files_win32)
|
||||
else ifneq ("$(shell find "$(program_files_CLT)/$(stm32cube_programmer_filepath)" 2> nul )","")
|
||||
program_files_path := $(program_files_CLT)
|
||||
endif
|
||||
|
||||
st_stm32cube_programmer_path := $(program_files_path)/$(stm32cube_programmer_path)
|
||||
st_stm32cube_programmer_filepath := $(program_files_path)/$(stm32cube_programmer_filepath)
|
||||
st_stm32cube_external_loader := $(program_files_path)/$(stm32cube_loader)
|
||||
|
||||
# define variable n as some line breaks for the error message
|
||||
define error_msg
|
||||
|
||||
|
||||
|
||||
****************************************************************************************************************************
|
||||
* *
|
||||
* STM32CubeProgrammer is not found. Make sure the STM32CubeProgrammer is installed in its default directory. *
|
||||
* You can download it at https://www.st.com/en/development-tools/stm32cubeprog.html *
|
||||
* *
|
||||
****************************************************************************************************************************
|
||||
|
||||
|
||||
|
||||
endef
|
||||
10
P7_SETR2/P7_SETR2_TGFX/gcc/include/flash_sections_int_ext.mk
Normal file
10
P7_SETR2/P7_SETR2_TGFX/gcc/include/flash_sections_int_ext.mk
Normal file
@@ -0,0 +1,10 @@
|
||||
_extflash_:
|
||||
ifeq ($(program_files_path),)
|
||||
$(error $(error_msg))
|
||||
endif
|
||||
@cd "$(st_stm32cube_programmer_path)" && ./$(stm32cube_programmer_filename) -c port=SWD -d $(application_path)/$(binary_output_path)/target.hex -el $(stm32cube_loader_relative_path) -hardRst
|
||||
_intflash_:
|
||||
ifeq ($(program_files_path),)
|
||||
$(error $(error_msg))
|
||||
endif
|
||||
@cd "$(st_stm32cube_programmer_path)" && ./$(stm32cube_programmer_filename) -c port=SWD -d $(application_path)/$(binary_output_path)/intflash.hex -hardRst
|
||||
573
P7_SETR2/P7_SETR2_TGFX/gcc/startup_stm32f746nghx.s
Normal file
573
P7_SETR2/P7_SETR2_TGFX/gcc/startup_stm32f746nghx.s
Normal file
@@ -0,0 +1,573 @@
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file startup_stm32f746xx.s
|
||||
* @author MCD Application Team
|
||||
* @brief STM32F746xx Devices vector table for GCC based toolchain.
|
||||
* This module performs:
|
||||
* - Set the initial SP
|
||||
* - Set the initial PC == Reset_Handler,
|
||||
* - Set the vector table entries with the exceptions ISR address
|
||||
* - Branches to main in the C library (which eventually
|
||||
* calls main()).
|
||||
* After Reset the Cortex-M7 processor is in Thread mode,
|
||||
* priority is Privileged, and the Stack is set to Main.
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* <h2><center>© Copyright (c) 2016 STMicroelectronics.
|
||||
* All rights reserved.</center></h2>
|
||||
*
|
||||
* This software component is licensed by ST under BSD 3-Clause license,
|
||||
* the "License"; You may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at:
|
||||
* opensource.org/licenses/BSD-3-Clause
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
|
||||
.syntax unified
|
||||
.cpu cortex-m7
|
||||
.fpu softvfp
|
||||
.thumb
|
||||
|
||||
.global g_pfnVectors
|
||||
.global Default_Handler
|
||||
|
||||
/* start address for the initialization values of the .data section.
|
||||
defined in linker script */
|
||||
.word _sidata
|
||||
/* start address for the .data section. defined in linker script */
|
||||
.word _sdata
|
||||
/* end address for the .data section. defined in linker script */
|
||||
.word _edata
|
||||
/* start address for the .bss section. defined in linker script */
|
||||
.word _sbss
|
||||
/* end address for the .bss section. defined in linker script */
|
||||
.word _ebss
|
||||
/* stack used for SystemInit_ExtMemCtl; always internal RAM used */
|
||||
|
||||
/**
|
||||
* @brief This is the code that gets called when the processor first
|
||||
* starts execution following a reset event. Only the absolutely
|
||||
* necessary set is performed, after which the application
|
||||
* supplied main() routine is called.
|
||||
* @param None
|
||||
* @retval : None
|
||||
*/
|
||||
|
||||
.section .text.Reset_Handler
|
||||
.weak Reset_Handler
|
||||
.type Reset_Handler, %function
|
||||
Reset_Handler:
|
||||
ldr sp, =_estack /* set stack pointer */
|
||||
|
||||
/* Copy the data segment initializers from flash to SRAM */
|
||||
movs r1, #0
|
||||
b LoopCopyDataInit
|
||||
|
||||
CopyDataInit:
|
||||
ldr r3, =_sidata
|
||||
ldr r3, [r3, r1]
|
||||
str r3, [r0, r1]
|
||||
adds r1, r1, #4
|
||||
|
||||
LoopCopyDataInit:
|
||||
ldr r0, =_sdata
|
||||
ldr r3, =_edata
|
||||
adds r2, r0, r1
|
||||
cmp r2, r3
|
||||
bcc CopyDataInit
|
||||
ldr r2, =_sbss
|
||||
b LoopFillZerobss
|
||||
/* Zero fill the bss segment. */
|
||||
FillZerobss:
|
||||
movs r3, #0
|
||||
str r3, [r2], #4
|
||||
|
||||
LoopFillZerobss:
|
||||
ldr r3, = _ebss
|
||||
cmp r2, r3
|
||||
bcc FillZerobss
|
||||
|
||||
/* Call the clock system initialization function.*/
|
||||
bl SystemInit
|
||||
/* Call static constructors */
|
||||
bl __libc_init_array
|
||||
/* Call the application's entry point.*/
|
||||
bl main
|
||||
bx lr
|
||||
.size Reset_Handler, .-Reset_Handler
|
||||
|
||||
/**
|
||||
* @brief This is the code that gets called when the processor receives an
|
||||
* unexpected interrupt. This simply enters an infinite loop, preserving
|
||||
* the system state for examination by a debugger.
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
.section .text.Default_Handler,"ax",%progbits
|
||||
Default_Handler:
|
||||
Infinite_Loop:
|
||||
b Infinite_Loop
|
||||
.size Default_Handler, .-Default_Handler
|
||||
/******************************************************************************
|
||||
*
|
||||
* The minimal vector table for a Cortex M7. Note that the proper constructs
|
||||
* must be placed on this to ensure that it ends up at physical address
|
||||
* 0x0000.0000.
|
||||
*
|
||||
*******************************************************************************/
|
||||
.section .isr_vector,"a",%progbits
|
||||
.type g_pfnVectors, %object
|
||||
.size g_pfnVectors, .-g_pfnVectors
|
||||
|
||||
|
||||
g_pfnVectors:
|
||||
.word _estack
|
||||
.word Reset_Handler
|
||||
|
||||
.word NMI_Handler
|
||||
.word HardFault_Handler
|
||||
.word MemManage_Handler
|
||||
.word BusFault_Handler
|
||||
.word UsageFault_Handler
|
||||
.word 0
|
||||
.word 0
|
||||
.word 0
|
||||
.word 0
|
||||
.word SVC_Handler
|
||||
.word DebugMon_Handler
|
||||
.word 0
|
||||
.word PendSV_Handler
|
||||
.word SysTick_Handler
|
||||
|
||||
/* External Interrupts */
|
||||
.word WWDG_IRQHandler /* Window WatchDog */
|
||||
.word PVD_IRQHandler /* PVD through EXTI Line detection */
|
||||
.word TAMP_STAMP_IRQHandler /* Tamper and TimeStamps through the EXTI line */
|
||||
.word RTC_WKUP_IRQHandler /* RTC Wakeup through the EXTI line */
|
||||
.word FLASH_IRQHandler /* FLASH */
|
||||
.word RCC_IRQHandler /* RCC */
|
||||
.word EXTI0_IRQHandler /* EXTI Line0 */
|
||||
.word EXTI1_IRQHandler /* EXTI Line1 */
|
||||
.word EXTI2_IRQHandler /* EXTI Line2 */
|
||||
.word EXTI3_IRQHandler /* EXTI Line3 */
|
||||
.word EXTI4_IRQHandler /* EXTI Line4 */
|
||||
.word DMA1_Stream0_IRQHandler /* DMA1 Stream 0 */
|
||||
.word DMA1_Stream1_IRQHandler /* DMA1 Stream 1 */
|
||||
.word DMA1_Stream2_IRQHandler /* DMA1 Stream 2 */
|
||||
.word DMA1_Stream3_IRQHandler /* DMA1 Stream 3 */
|
||||
.word DMA1_Stream4_IRQHandler /* DMA1 Stream 4 */
|
||||
.word DMA1_Stream5_IRQHandler /* DMA1 Stream 5 */
|
||||
.word DMA1_Stream6_IRQHandler /* DMA1 Stream 6 */
|
||||
.word ADC_IRQHandler /* ADC1, ADC2 and ADC3s */
|
||||
.word CAN1_TX_IRQHandler /* CAN1 TX */
|
||||
.word CAN1_RX0_IRQHandler /* CAN1 RX0 */
|
||||
.word CAN1_RX1_IRQHandler /* CAN1 RX1 */
|
||||
.word CAN1_SCE_IRQHandler /* CAN1 SCE */
|
||||
.word EXTI9_5_IRQHandler /* External Line[9:5]s */
|
||||
.word TIM1_BRK_TIM9_IRQHandler /* TIM1 Break and TIM9 */
|
||||
.word TIM1_UP_TIM10_IRQHandler /* TIM1 Update and TIM10 */
|
||||
.word TIM1_TRG_COM_TIM11_IRQHandler /* TIM1 Trigger and Commutation and TIM11 */
|
||||
.word TIM1_CC_IRQHandler /* TIM1 Capture Compare */
|
||||
.word TIM2_IRQHandler /* TIM2 */
|
||||
.word TIM3_IRQHandler /* TIM3 */
|
||||
.word TIM4_IRQHandler /* TIM4 */
|
||||
.word I2C1_EV_IRQHandler /* I2C1 Event */
|
||||
.word I2C1_ER_IRQHandler /* I2C1 Error */
|
||||
.word I2C2_EV_IRQHandler /* I2C2 Event */
|
||||
.word I2C2_ER_IRQHandler /* I2C2 Error */
|
||||
.word SPI1_IRQHandler /* SPI1 */
|
||||
.word SPI2_IRQHandler /* SPI2 */
|
||||
.word USART1_IRQHandler /* USART1 */
|
||||
.word USART2_IRQHandler /* USART2 */
|
||||
.word USART3_IRQHandler /* USART3 */
|
||||
.word EXTI15_10_IRQHandler /* External Line[15:10]s */
|
||||
.word RTC_Alarm_IRQHandler /* RTC Alarm (A and B) through EXTI Line */
|
||||
.word OTG_FS_WKUP_IRQHandler /* USB OTG FS Wakeup through EXTI line */
|
||||
.word TIM8_BRK_TIM12_IRQHandler /* TIM8 Break and TIM12 */
|
||||
.word TIM8_UP_TIM13_IRQHandler /* TIM8 Update and TIM13 */
|
||||
.word TIM8_TRG_COM_TIM14_IRQHandler /* TIM8 Trigger and Commutation and TIM14 */
|
||||
.word TIM8_CC_IRQHandler /* TIM8 Capture Compare */
|
||||
.word DMA1_Stream7_IRQHandler /* DMA1 Stream7 */
|
||||
.word FMC_IRQHandler /* FMC */
|
||||
.word SDMMC1_IRQHandler /* SDMMC1 */
|
||||
.word TIM5_IRQHandler /* TIM5 */
|
||||
.word SPI3_IRQHandler /* SPI3 */
|
||||
.word UART4_IRQHandler /* UART4 */
|
||||
.word UART5_IRQHandler /* UART5 */
|
||||
.word TIM6_DAC_IRQHandler /* TIM6 and DAC1&2 underrun errors */
|
||||
.word TIM7_IRQHandler /* TIM7 */
|
||||
.word DMA2_Stream0_IRQHandler /* DMA2 Stream 0 */
|
||||
.word DMA2_Stream1_IRQHandler /* DMA2 Stream 1 */
|
||||
.word DMA2_Stream2_IRQHandler /* DMA2 Stream 2 */
|
||||
.word DMA2_Stream3_IRQHandler /* DMA2 Stream 3 */
|
||||
.word DMA2_Stream4_IRQHandler /* DMA2 Stream 4 */
|
||||
.word ETH_IRQHandler /* Ethernet */
|
||||
.word ETH_WKUP_IRQHandler /* Ethernet Wakeup through EXTI line */
|
||||
.word CAN2_TX_IRQHandler /* CAN2 TX */
|
||||
.word CAN2_RX0_IRQHandler /* CAN2 RX0 */
|
||||
.word CAN2_RX1_IRQHandler /* CAN2 RX1 */
|
||||
.word CAN2_SCE_IRQHandler /* CAN2 SCE */
|
||||
.word OTG_FS_IRQHandler /* USB OTG FS */
|
||||
.word DMA2_Stream5_IRQHandler /* DMA2 Stream 5 */
|
||||
.word DMA2_Stream6_IRQHandler /* DMA2 Stream 6 */
|
||||
.word DMA2_Stream7_IRQHandler /* DMA2 Stream 7 */
|
||||
.word USART6_IRQHandler /* USART6 */
|
||||
.word I2C3_EV_IRQHandler /* I2C3 event */
|
||||
.word I2C3_ER_IRQHandler /* I2C3 error */
|
||||
.word OTG_HS_EP1_OUT_IRQHandler /* USB OTG HS End Point 1 Out */
|
||||
.word OTG_HS_EP1_IN_IRQHandler /* USB OTG HS End Point 1 In */
|
||||
.word OTG_HS_WKUP_IRQHandler /* USB OTG HS Wakeup through EXTI */
|
||||
.word OTG_HS_IRQHandler /* USB OTG HS */
|
||||
.word DCMI_IRQHandler /* DCMI */
|
||||
.word 0 /* Reserved */
|
||||
.word RNG_IRQHandler /* Rng */
|
||||
.word FPU_IRQHandler /* FPU */
|
||||
.word UART7_IRQHandler /* UART7 */
|
||||
.word UART8_IRQHandler /* UART8 */
|
||||
.word SPI4_IRQHandler /* SPI4 */
|
||||
.word SPI5_IRQHandler /* SPI5 */
|
||||
.word SPI6_IRQHandler /* SPI6 */
|
||||
.word SAI1_IRQHandler /* SAI1 */
|
||||
.word LTDC_IRQHandler /* LTDC */
|
||||
.word LTDC_ER_IRQHandler /* LTDC error */
|
||||
.word DMA2D_IRQHandler /* DMA2D */
|
||||
.word SAI2_IRQHandler /* SAI2 */
|
||||
.word QUADSPI_IRQHandler /* QUADSPI */
|
||||
.word LPTIM1_IRQHandler /* LPTIM1 */
|
||||
.word CEC_IRQHandler /* HDMI_CEC */
|
||||
.word I2C4_EV_IRQHandler /* I2C4 Event */
|
||||
.word I2C4_ER_IRQHandler /* I2C4 Error */
|
||||
.word SPDIF_RX_IRQHandler /* SPDIF_RX */
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* Provide weak aliases for each Exception handler to the Default_Handler.
|
||||
* As they are weak aliases, any function with the same name will override
|
||||
* this definition.
|
||||
*
|
||||
*******************************************************************************/
|
||||
.weak NMI_Handler
|
||||
.thumb_set NMI_Handler,Default_Handler
|
||||
|
||||
.weak HardFault_Handler
|
||||
.thumb_set HardFault_Handler,Default_Handler
|
||||
|
||||
.weak MemManage_Handler
|
||||
.thumb_set MemManage_Handler,Default_Handler
|
||||
|
||||
.weak BusFault_Handler
|
||||
.thumb_set BusFault_Handler,Default_Handler
|
||||
|
||||
.weak UsageFault_Handler
|
||||
.thumb_set UsageFault_Handler,Default_Handler
|
||||
|
||||
.weak SVC_Handler
|
||||
.thumb_set SVC_Handler,Default_Handler
|
||||
|
||||
.weak DebugMon_Handler
|
||||
.thumb_set DebugMon_Handler,Default_Handler
|
||||
|
||||
.weak PendSV_Handler
|
||||
.thumb_set PendSV_Handler,Default_Handler
|
||||
|
||||
.weak SysTick_Handler
|
||||
.thumb_set SysTick_Handler,Default_Handler
|
||||
|
||||
.weak WWDG_IRQHandler
|
||||
.thumb_set WWDG_IRQHandler,Default_Handler
|
||||
|
||||
.weak PVD_IRQHandler
|
||||
.thumb_set PVD_IRQHandler,Default_Handler
|
||||
|
||||
.weak TAMP_STAMP_IRQHandler
|
||||
.thumb_set TAMP_STAMP_IRQHandler,Default_Handler
|
||||
|
||||
.weak RTC_WKUP_IRQHandler
|
||||
.thumb_set RTC_WKUP_IRQHandler,Default_Handler
|
||||
|
||||
.weak FLASH_IRQHandler
|
||||
.thumb_set FLASH_IRQHandler,Default_Handler
|
||||
|
||||
.weak RCC_IRQHandler
|
||||
.thumb_set RCC_IRQHandler,Default_Handler
|
||||
|
||||
.weak EXTI0_IRQHandler
|
||||
.thumb_set EXTI0_IRQHandler,Default_Handler
|
||||
|
||||
.weak EXTI1_IRQHandler
|
||||
.thumb_set EXTI1_IRQHandler,Default_Handler
|
||||
|
||||
.weak EXTI2_IRQHandler
|
||||
.thumb_set EXTI2_IRQHandler,Default_Handler
|
||||
|
||||
.weak EXTI3_IRQHandler
|
||||
.thumb_set EXTI3_IRQHandler,Default_Handler
|
||||
|
||||
.weak EXTI4_IRQHandler
|
||||
.thumb_set EXTI4_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA1_Stream0_IRQHandler
|
||||
.thumb_set DMA1_Stream0_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA1_Stream1_IRQHandler
|
||||
.thumb_set DMA1_Stream1_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA1_Stream2_IRQHandler
|
||||
.thumb_set DMA1_Stream2_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA1_Stream3_IRQHandler
|
||||
.thumb_set DMA1_Stream3_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA1_Stream4_IRQHandler
|
||||
.thumb_set DMA1_Stream4_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA1_Stream5_IRQHandler
|
||||
.thumb_set DMA1_Stream5_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA1_Stream6_IRQHandler
|
||||
.thumb_set DMA1_Stream6_IRQHandler,Default_Handler
|
||||
|
||||
.weak ADC_IRQHandler
|
||||
.thumb_set ADC_IRQHandler,Default_Handler
|
||||
|
||||
.weak CAN1_TX_IRQHandler
|
||||
.thumb_set CAN1_TX_IRQHandler,Default_Handler
|
||||
|
||||
.weak CAN1_RX0_IRQHandler
|
||||
.thumb_set CAN1_RX0_IRQHandler,Default_Handler
|
||||
|
||||
.weak CAN1_RX1_IRQHandler
|
||||
.thumb_set CAN1_RX1_IRQHandler,Default_Handler
|
||||
|
||||
.weak CAN1_SCE_IRQHandler
|
||||
.thumb_set CAN1_SCE_IRQHandler,Default_Handler
|
||||
|
||||
.weak EXTI9_5_IRQHandler
|
||||
.thumb_set EXTI9_5_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM1_BRK_TIM9_IRQHandler
|
||||
.thumb_set TIM1_BRK_TIM9_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM1_UP_TIM10_IRQHandler
|
||||
.thumb_set TIM1_UP_TIM10_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM1_TRG_COM_TIM11_IRQHandler
|
||||
.thumb_set TIM1_TRG_COM_TIM11_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM1_CC_IRQHandler
|
||||
.thumb_set TIM1_CC_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM2_IRQHandler
|
||||
.thumb_set TIM2_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM3_IRQHandler
|
||||
.thumb_set TIM3_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM4_IRQHandler
|
||||
.thumb_set TIM4_IRQHandler,Default_Handler
|
||||
|
||||
.weak I2C1_EV_IRQHandler
|
||||
.thumb_set I2C1_EV_IRQHandler,Default_Handler
|
||||
|
||||
.weak I2C1_ER_IRQHandler
|
||||
.thumb_set I2C1_ER_IRQHandler,Default_Handler
|
||||
|
||||
.weak I2C2_EV_IRQHandler
|
||||
.thumb_set I2C2_EV_IRQHandler,Default_Handler
|
||||
|
||||
.weak I2C2_ER_IRQHandler
|
||||
.thumb_set I2C2_ER_IRQHandler,Default_Handler
|
||||
|
||||
.weak SPI1_IRQHandler
|
||||
.thumb_set SPI1_IRQHandler,Default_Handler
|
||||
|
||||
.weak SPI2_IRQHandler
|
||||
.thumb_set SPI2_IRQHandler,Default_Handler
|
||||
|
||||
.weak USART1_IRQHandler
|
||||
.thumb_set USART1_IRQHandler,Default_Handler
|
||||
|
||||
.weak USART2_IRQHandler
|
||||
.thumb_set USART2_IRQHandler,Default_Handler
|
||||
|
||||
.weak USART3_IRQHandler
|
||||
.thumb_set USART3_IRQHandler,Default_Handler
|
||||
|
||||
.weak EXTI15_10_IRQHandler
|
||||
.thumb_set EXTI15_10_IRQHandler,Default_Handler
|
||||
|
||||
.weak RTC_Alarm_IRQHandler
|
||||
.thumb_set RTC_Alarm_IRQHandler,Default_Handler
|
||||
|
||||
.weak OTG_FS_WKUP_IRQHandler
|
||||
.thumb_set OTG_FS_WKUP_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM8_BRK_TIM12_IRQHandler
|
||||
.thumb_set TIM8_BRK_TIM12_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM8_UP_TIM13_IRQHandler
|
||||
.thumb_set TIM8_UP_TIM13_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM8_TRG_COM_TIM14_IRQHandler
|
||||
.thumb_set TIM8_TRG_COM_TIM14_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM8_CC_IRQHandler
|
||||
.thumb_set TIM8_CC_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA1_Stream7_IRQHandler
|
||||
.thumb_set DMA1_Stream7_IRQHandler,Default_Handler
|
||||
|
||||
.weak FMC_IRQHandler
|
||||
.thumb_set FMC_IRQHandler,Default_Handler
|
||||
|
||||
.weak SDMMC1_IRQHandler
|
||||
.thumb_set SDMMC1_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM5_IRQHandler
|
||||
.thumb_set TIM5_IRQHandler,Default_Handler
|
||||
|
||||
.weak SPI3_IRQHandler
|
||||
.thumb_set SPI3_IRQHandler,Default_Handler
|
||||
|
||||
.weak UART4_IRQHandler
|
||||
.thumb_set UART4_IRQHandler,Default_Handler
|
||||
|
||||
.weak UART5_IRQHandler
|
||||
.thumb_set UART5_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM6_DAC_IRQHandler
|
||||
.thumb_set TIM6_DAC_IRQHandler,Default_Handler
|
||||
|
||||
.weak TIM7_IRQHandler
|
||||
.thumb_set TIM7_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream0_IRQHandler
|
||||
.thumb_set DMA2_Stream0_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream1_IRQHandler
|
||||
.thumb_set DMA2_Stream1_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream2_IRQHandler
|
||||
.thumb_set DMA2_Stream2_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream3_IRQHandler
|
||||
.thumb_set DMA2_Stream3_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream4_IRQHandler
|
||||
.thumb_set DMA2_Stream4_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream4_IRQHandler
|
||||
.thumb_set DMA2_Stream4_IRQHandler,Default_Handler
|
||||
|
||||
.weak ETH_IRQHandler
|
||||
.thumb_set ETH_IRQHandler,Default_Handler
|
||||
|
||||
.weak ETH_WKUP_IRQHandler
|
||||
.thumb_set ETH_WKUP_IRQHandler,Default_Handler
|
||||
|
||||
.weak CAN2_TX_IRQHandler
|
||||
.thumb_set CAN2_TX_IRQHandler,Default_Handler
|
||||
|
||||
.weak CAN2_RX0_IRQHandler
|
||||
.thumb_set CAN2_RX0_IRQHandler,Default_Handler
|
||||
|
||||
.weak CAN2_RX1_IRQHandler
|
||||
.thumb_set CAN2_RX1_IRQHandler,Default_Handler
|
||||
|
||||
.weak CAN2_SCE_IRQHandler
|
||||
.thumb_set CAN2_SCE_IRQHandler,Default_Handler
|
||||
|
||||
.weak OTG_FS_IRQHandler
|
||||
.thumb_set OTG_FS_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream5_IRQHandler
|
||||
.thumb_set DMA2_Stream5_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream6_IRQHandler
|
||||
.thumb_set DMA2_Stream6_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2_Stream7_IRQHandler
|
||||
.thumb_set DMA2_Stream7_IRQHandler,Default_Handler
|
||||
|
||||
.weak USART6_IRQHandler
|
||||
.thumb_set USART6_IRQHandler,Default_Handler
|
||||
|
||||
.weak I2C3_EV_IRQHandler
|
||||
.thumb_set I2C3_EV_IRQHandler,Default_Handler
|
||||
|
||||
.weak I2C3_ER_IRQHandler
|
||||
.thumb_set I2C3_ER_IRQHandler,Default_Handler
|
||||
|
||||
.weak OTG_HS_EP1_OUT_IRQHandler
|
||||
.thumb_set OTG_HS_EP1_OUT_IRQHandler,Default_Handler
|
||||
|
||||
.weak OTG_HS_EP1_IN_IRQHandler
|
||||
.thumb_set OTG_HS_EP1_IN_IRQHandler,Default_Handler
|
||||
|
||||
.weak OTG_HS_WKUP_IRQHandler
|
||||
.thumb_set OTG_HS_WKUP_IRQHandler,Default_Handler
|
||||
|
||||
.weak OTG_HS_IRQHandler
|
||||
.thumb_set OTG_HS_IRQHandler,Default_Handler
|
||||
|
||||
.weak DCMI_IRQHandler
|
||||
.thumb_set DCMI_IRQHandler,Default_Handler
|
||||
|
||||
.weak RNG_IRQHandler
|
||||
.thumb_set RNG_IRQHandler,Default_Handler
|
||||
|
||||
.weak FPU_IRQHandler
|
||||
.thumb_set FPU_IRQHandler,Default_Handler
|
||||
|
||||
.weak UART7_IRQHandler
|
||||
.thumb_set UART7_IRQHandler,Default_Handler
|
||||
|
||||
.weak UART8_IRQHandler
|
||||
.thumb_set UART8_IRQHandler,Default_Handler
|
||||
|
||||
.weak SPI4_IRQHandler
|
||||
.thumb_set SPI4_IRQHandler,Default_Handler
|
||||
|
||||
.weak SPI5_IRQHandler
|
||||
.thumb_set SPI5_IRQHandler,Default_Handler
|
||||
|
||||
.weak SPI6_IRQHandler
|
||||
.thumb_set SPI6_IRQHandler,Default_Handler
|
||||
|
||||
.weak SAI1_IRQHandler
|
||||
.thumb_set SAI1_IRQHandler,Default_Handler
|
||||
|
||||
.weak LTDC_IRQHandler
|
||||
.thumb_set LTDC_IRQHandler,Default_Handler
|
||||
|
||||
.weak LTDC_ER_IRQHandler
|
||||
.thumb_set LTDC_ER_IRQHandler,Default_Handler
|
||||
|
||||
.weak DMA2D_IRQHandler
|
||||
.thumb_set DMA2D_IRQHandler,Default_Handler
|
||||
|
||||
.weak SAI2_IRQHandler
|
||||
.thumb_set SAI2_IRQHandler,Default_Handler
|
||||
|
||||
.weak QUADSPI_IRQHandler
|
||||
.thumb_set QUADSPI_IRQHandler,Default_Handler
|
||||
|
||||
.weak LPTIM1_IRQHandler
|
||||
.thumb_set LPTIM1_IRQHandler,Default_Handler
|
||||
|
||||
.weak CEC_IRQHandler
|
||||
.thumb_set CEC_IRQHandler,Default_Handler
|
||||
|
||||
.weak I2C4_EV_IRQHandler
|
||||
.thumb_set I2C4_EV_IRQHandler,Default_Handler
|
||||
|
||||
.weak I2C4_ER_IRQHandler
|
||||
.thumb_set I2C4_ER_IRQHandler,Default_Handler
|
||||
|
||||
.weak SPDIF_RX_IRQHandler
|
||||
.thumb_set SPDIF_RX_IRQHandler,Default_Handler
|
||||
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||||
|
||||
176
P7_SETR2/P7_SETR2_TGFX/gcc/syscalls.c
Normal file
176
P7_SETR2/P7_SETR2_TGFX/gcc/syscalls.c
Normal file
@@ -0,0 +1,176 @@
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file syscalls.c
|
||||
* @author Auto-generated by STM32CubeIDE
|
||||
* @brief STM32CubeIDE Minimal System calls file
|
||||
*
|
||||
* For more information about which c-functions
|
||||
* need which of these lowlevel functions
|
||||
* please consult the Newlib libc-manual
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* Copyright (c) 2020-2025 STMicroelectronics.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This software is licensed under terms that can be found in the LICENSE file
|
||||
* in the root directory of this software component.
|
||||
* If no LICENSE file comes with this software, it is provided AS-IS.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
|
||||
/* Includes */
|
||||
#include <sys/stat.h>
|
||||
#include <stdlib.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <signal.h>
|
||||
#include <time.h>
|
||||
#include <sys/time.h>
|
||||
#include <sys/times.h>
|
||||
|
||||
|
||||
/* Variables */
|
||||
extern int __io_putchar(int ch) __attribute__((weak));
|
||||
extern int __io_getchar(void) __attribute__((weak));
|
||||
|
||||
|
||||
char *__env[1] = { 0 };
|
||||
char **environ = __env;
|
||||
|
||||
|
||||
/* Functions */
|
||||
void initialise_monitor_handles()
|
||||
{
|
||||
}
|
||||
|
||||
int _getpid(void)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
int _kill(int pid, int sig)
|
||||
{
|
||||
(void)pid;
|
||||
(void)sig;
|
||||
errno = EINVAL;
|
||||
return -1;
|
||||
}
|
||||
|
||||
void _exit (int status)
|
||||
{
|
||||
_kill(status, -1);
|
||||
while (1) {} /* Make sure we hang here */
|
||||
}
|
||||
|
||||
__attribute__((weak)) int _read(int file, char *ptr, int len)
|
||||
{
|
||||
(void)file;
|
||||
int DataIdx;
|
||||
|
||||
for (DataIdx = 0; DataIdx < len; DataIdx++)
|
||||
{
|
||||
*ptr++ = __io_getchar();
|
||||
}
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
__attribute__((weak)) int _write(int file, char *ptr, int len)
|
||||
{
|
||||
(void)file;
|
||||
int DataIdx;
|
||||
|
||||
for (DataIdx = 0; DataIdx < len; DataIdx++)
|
||||
{
|
||||
__io_putchar(*ptr++);
|
||||
}
|
||||
return len;
|
||||
}
|
||||
|
||||
int _close(int file)
|
||||
{
|
||||
(void)file;
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
int _fstat(int file, struct stat *st)
|
||||
{
|
||||
(void)file;
|
||||
st->st_mode = S_IFCHR;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int _isatty(int file)
|
||||
{
|
||||
(void)file;
|
||||
return 1;
|
||||
}
|
||||
|
||||
int _lseek(int file, int ptr, int dir)
|
||||
{
|
||||
(void)file;
|
||||
(void)ptr;
|
||||
(void)dir;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int _open(char *path, int flags, ...)
|
||||
{
|
||||
(void)path;
|
||||
(void)flags;
|
||||
/* Pretend like we always fail */
|
||||
return -1;
|
||||
}
|
||||
|
||||
int _wait(int *status)
|
||||
{
|
||||
(void)status;
|
||||
errno = ECHILD;
|
||||
return -1;
|
||||
}
|
||||
|
||||
int _unlink(char *name)
|
||||
{
|
||||
(void)name;
|
||||
errno = ENOENT;
|
||||
return -1;
|
||||
}
|
||||
|
||||
int _times(struct tms *buf)
|
||||
{
|
||||
(void)buf;
|
||||
return -1;
|
||||
}
|
||||
|
||||
int _stat(char *file, struct stat *st)
|
||||
{
|
||||
(void)file;
|
||||
st->st_mode = S_IFCHR;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int _link(char *old, char *new)
|
||||
{
|
||||
(void)old;
|
||||
(void)new;
|
||||
errno = EMLINK;
|
||||
return -1;
|
||||
}
|
||||
|
||||
int _fork(void)
|
||||
{
|
||||
errno = EAGAIN;
|
||||
return -1;
|
||||
}
|
||||
|
||||
int _execve(char *name, char **argv, char **env)
|
||||
{
|
||||
(void)name;
|
||||
(void)argv;
|
||||
(void)env;
|
||||
errno = ENOMEM;
|
||||
return -1;
|
||||
}
|
||||
79
P7_SETR2/P7_SETR2_TGFX/gcc/sysmem.c
Normal file
79
P7_SETR2/P7_SETR2_TGFX/gcc/sysmem.c
Normal file
@@ -0,0 +1,79 @@
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file sysmem.c
|
||||
* @author Generated by STM32CubeIDE
|
||||
* @brief STM32CubeIDE System Memory calls file
|
||||
*
|
||||
* For more information about which C functions
|
||||
* need which of these lowlevel functions
|
||||
* please consult the newlib libc manual
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* Copyright (c) 2025 STMicroelectronics.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This software is licensed under terms that can be found in the LICENSE file
|
||||
* in the root directory of this software component.
|
||||
* If no LICENSE file comes with this software, it is provided AS-IS.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
|
||||
/* Includes */
|
||||
#include <errno.h>
|
||||
#include <stdint.h>
|
||||
|
||||
/**
|
||||
* Pointer to the current high watermark of the heap usage
|
||||
*/
|
||||
static uint8_t *__sbrk_heap_end = NULL;
|
||||
|
||||
/**
|
||||
* @brief _sbrk() allocates memory to the newlib heap and is used by malloc
|
||||
* and others from the C library
|
||||
*
|
||||
* @verbatim
|
||||
* ############################################################################
|
||||
* # .data # .bss # newlib heap # MSP stack #
|
||||
* # # # # Reserved by _Min_Stack_Size #
|
||||
* ############################################################################
|
||||
* ^-- RAM start ^-- _end _estack, RAM end --^
|
||||
* @endverbatim
|
||||
*
|
||||
* This implementation starts allocating at the '_end' linker symbol
|
||||
* The '_Min_Stack_Size' linker symbol reserves a memory for the MSP stack
|
||||
* The implementation considers '_estack' linker symbol to be RAM end
|
||||
* NOTE: If the MSP stack, at any point during execution, grows larger than the
|
||||
* reserved size, please increase the '_Min_Stack_Size'.
|
||||
*
|
||||
* @param incr Memory size
|
||||
* @return Pointer to allocated memory
|
||||
*/
|
||||
void *_sbrk(ptrdiff_t incr)
|
||||
{
|
||||
extern uint8_t _end; /* Symbol defined in the linker script */
|
||||
extern uint8_t _estack; /* Symbol defined in the linker script */
|
||||
extern uint32_t _Min_Stack_Size; /* Symbol defined in the linker script */
|
||||
const uint32_t stack_limit = (uint32_t)&_estack - (uint32_t)&_Min_Stack_Size;
|
||||
const uint8_t *max_heap = (uint8_t *)stack_limit;
|
||||
uint8_t *prev_heap_end;
|
||||
|
||||
/* Initialize heap end at first call */
|
||||
if (NULL == __sbrk_heap_end)
|
||||
{
|
||||
__sbrk_heap_end = &_end;
|
||||
}
|
||||
|
||||
/* Protect heap from growing into the reserved MSP stack */
|
||||
if (__sbrk_heap_end + incr > max_heap)
|
||||
{
|
||||
errno = ENOMEM;
|
||||
return (void *)-1;
|
||||
}
|
||||
|
||||
prev_heap_end = __sbrk_heap_end;
|
||||
__sbrk_heap_end += incr;
|
||||
|
||||
return (void *)prev_heap_end;
|
||||
}
|
||||
Reference in New Issue
Block a user