diff options
Diffstat (limited to 'atmel-samd/asf4/samd21/gcc')
| -rw-r--r-- | atmel-samd/asf4/samd21/gcc/Makefile | 282 | ||||
| -rw-r--r-- | atmel-samd/asf4/samd21/gcc/gcc/samd21g18a_flash.ld | 142 | ||||
| -rw-r--r-- | atmel-samd/asf4/samd21/gcc/gcc/samd21g18a_sram.ld | 141 | ||||
| -rw-r--r-- | atmel-samd/asf4/samd21/gcc/gcc/startup_samd21.c | 265 | ||||
| -rw-r--r-- | atmel-samd/asf4/samd21/gcc/system_samd21.c | 63 |
5 files changed, 893 insertions, 0 deletions
diff --git a/atmel-samd/asf4/samd21/gcc/Makefile b/atmel-samd/asf4/samd21/gcc/Makefile new file mode 100644 index 000000000..8e31a0231 --- /dev/null +++ b/atmel-samd/asf4/samd21/gcc/Makefile @@ -0,0 +1,282 @@ + +################################################################################ +# Automatically-generated file. Do not edit! +################################################################################ + +ifdef SystemRoot + SHELL = cmd.exe + MK_DIR = mkdir +else + ifeq ($(shell uname), Linux) + MK_DIR = mkdir -p + endif + + ifeq ($(shell uname | cut -d _ -f 1), CYGWIN) + MK_DIR = mkdir -p + endif + + ifeq ($(shell uname | cut -d _ -f 1), MINGW32) + MK_DIR = mkdir -p + endif + + ifeq ($(shell uname | cut -d _ -f 1), MINGW64) + MK_DIR = mkdir -p + endif +endif + +# List the subdirectories for creating object files +SUB_DIRS += \ + \ +hpl/adc \ +hal/src \ +examples \ +hpl/systick \ +hpl/tc \ +usb \ +hpl/dmac \ +usb/class/cdc/device \ +hal/utils/src \ +hpl/rtc \ +usb/class/hid/device \ +hpl/usb \ +samd21a/gcc/gcc \ +hpl/pm \ +hpl/sysctrl \ +hpl/gclk \ +usb/device \ +hpl/dac \ +samd21a/gcc \ +hpl/sercom \ +hpl/nvmctrl \ +hpl/core + +# List the object files +OBJS += \ +hal/src/hal_io.o \ +hpl/systick/hpl_systick.o \ +samd21a/gcc/gcc/startup_samd21.o \ +usb/usb_protocol.o \ +usb/class/hid/device/hiddf_generic.o \ +usb/class/cdc/device/cdcdf_acm.o \ +hal/utils/src/utils_syscalls.o \ +hpl/nvmctrl/hpl_nvmctrl.o \ +hal/src/hal_spi_m_sync.o \ +hal/src/hal_timer.o \ +hal/src/hal_pwm.o \ +hpl/usb/hpl_usb.o \ +hal/src/hal_i2c_m_sync.o \ +hal/src/hal_delay.o \ +hpl/sysctrl/hpl_sysctrl.o \ +hpl/core/hpl_init.o \ +hal/utils/src/utils_list.o \ +hpl/core/hpl_core_m0plus_base.o \ +hal/utils/src/utils_assert.o \ +hpl/dmac/hpl_dmac.o \ +hpl/pm/hpl_pm.o \ +usb/class/hid/device/hiddf_keyboard.o \ +hal/src/hal_usart_sync.o \ +hpl/dac/hpl_dac.o \ +hpl/gclk/hpl_gclk.o \ +hal/src/hal_flash.o \ +hal/src/hal_init.o \ +hal/src/hal_usb_device.o \ +main.o \ +samd21a/gcc/system_samd21.o \ +hpl/rtc/hpl_rtc.o \ +examples/driver_examples.o \ +driver_init.o \ +hal/src/hal_adc_sync.o \ +hal/src/hal_dac_sync.o \ +hpl/sercom/hpl_sercom.o \ +hal/src/hal_gpio.o \ +usb/class/hid/device/hiddf_mouse.o \ +hal/utils/src/utils_event.o \ +hal/src/hal_sleep.o \ +usb_start.o \ +atmel_start.o \ +usb/device/usbdc.o \ +hpl/tc/hpl_tc.o \ +hal/src/hal_atomic.o \ +hpl/adc/hpl_adc.o + +OBJS_AS_ARGS += \ +"hal/src/hal_io.o" \ +"hpl/systick/hpl_systick.o" \ +"samd21a/gcc/gcc/startup_samd21.o" \ +"usb/usb_protocol.o" \ +"usb/class/hid/device/hiddf_generic.o" \ +"usb/class/cdc/device/cdcdf_acm.o" \ +"hal/utils/src/utils_syscalls.o" \ +"hpl/nvmctrl/hpl_nvmctrl.o" \ +"hal/src/hal_spi_m_sync.o" \ +"hal/src/hal_timer.o" \ +"hal/src/hal_pwm.o" \ +"hpl/usb/hpl_usb.o" \ +"hal/src/hal_i2c_m_sync.o" \ +"hal/src/hal_delay.o" \ +"hpl/sysctrl/hpl_sysctrl.o" \ +"hpl/core/hpl_init.o" \ +"hal/utils/src/utils_list.o" \ +"hpl/core/hpl_core_m0plus_base.o" \ +"hal/utils/src/utils_assert.o" \ +"hpl/dmac/hpl_dmac.o" \ +"hpl/pm/hpl_pm.o" \ +"usb/class/hid/device/hiddf_keyboard.o" \ +"hal/src/hal_usart_sync.o" \ +"hpl/dac/hpl_dac.o" \ +"hpl/gclk/hpl_gclk.o" \ +"hal/src/hal_flash.o" \ +"hal/src/hal_init.o" \ +"hal/src/hal_usb_device.o" \ +"main.o" \ +"samd21a/gcc/system_samd21.o" \ +"hpl/rtc/hpl_rtc.o" \ +"examples/driver_examples.o" \ +"driver_init.o" \ +"hal/src/hal_adc_sync.o" \ +"hal/src/hal_dac_sync.o" \ +"hpl/sercom/hpl_sercom.o" \ +"hal/src/hal_gpio.o" \ +"usb/class/hid/device/hiddf_mouse.o" \ +"hal/utils/src/utils_event.o" \ +"hal/src/hal_sleep.o" \ +"usb_start.o" \ +"atmel_start.o" \ +"usb/device/usbdc.o" \ +"hpl/tc/hpl_tc.o" \ +"hal/src/hal_atomic.o" \ +"hpl/adc/hpl_adc.o" + +# List the dependency files +DEPS := $(OBJS:%.o=%.d) + +DEPS_AS_ARGS += \ +"usb/usb_protocol.d" \ +"samd21a/gcc/gcc/startup_samd21.d" \ +"hal/utils/src/utils_event.d" \ +"hal/src/hal_io.d" \ +"hpl/systick/hpl_systick.d" \ +"usb/class/hid/device/hiddf_generic.d" \ +"hal/utils/src/utils_syscalls.d" \ +"usb/class/cdc/device/cdcdf_acm.d" \ +"usb/class/hid/device/hiddf_mouse.d" \ +"hal/src/hal_i2c_m_sync.d" \ +"hpl/usb/hpl_usb.d" \ +"hpl/nvmctrl/hpl_nvmctrl.d" \ +"hal/src/hal_pwm.d" \ +"hal/src/hal_timer.d" \ +"hal/src/hal_spi_m_sync.d" \ +"hpl/core/hpl_core_m0plus_base.d" \ +"hal/utils/src/utils_list.d" \ +"hpl/dmac/hpl_dmac.d" \ +"hal/utils/src/utils_assert.d" \ +"hal/src/hal_delay.d" \ +"hpl/core/hpl_init.d" \ +"hpl/sysctrl/hpl_sysctrl.d" \ +"hal/src/hal_flash.d" \ +"hpl/gclk/hpl_gclk.d" \ +"hal/src/hal_usb_device.d" \ +"usb_start.d" \ +"hal/src/hal_init.d" \ +"hal/src/hal_usart_sync.d" \ +"usb/class/hid/device/hiddf_keyboard.d" \ +"hpl/dac/hpl_dac.d" \ +"driver_init.d" \ +"hal/src/hal_adc_sync.d" \ +"samd21a/gcc/system_samd21.d" \ +"main.d" \ +"examples/driver_examples.d" \ +"hpl/rtc/hpl_rtc.d" \ +"hal/src/hal_sleep.d" \ +"hpl/sercom/hpl_sercom.d" \ +"hal/src/hal_dac_sync.d" \ +"hal/src/hal_gpio.d" \ +"hal/src/hal_atomic.d" \ +"hpl/tc/hpl_tc.d" \ +"usb/device/usbdc.d" \ +"hpl/pm/hpl_pm.d" \ +"hpl/adc/hpl_adc.d" \ +"atmel_start.d" + +OUTPUT_FILE_NAME :=AtmelStart +QUOTE := " +OUTPUT_FILE_PATH +=$(OUTPUT_FILE_NAME).elf +OUTPUT_FILE_PATH_AS_ARGS +=$(OUTPUT_FILE_NAME).elf + +vpath %.c ../ +vpath %.s ../ +vpath %.S ../ + +# All Target +all: $(SUB_DIRS) $(OUTPUT_FILE_PATH) + +# Linker target + + +$(OUTPUT_FILE_PATH): $(OBJS) + @echo Building target: $@ + @echo Invoking: ARM/GNU Linker + $(QUOTE)arm-none-eabi-gcc$(QUOTE) -o $(OUTPUT_FILE_NAME).elf $(OBJS_AS_ARGS) -Wl,--start-group -lm -Wl,--end-group -mthumb \ +-Wl,-Map="$(OUTPUT_FILE_NAME).map" --specs=nano.specs -Wl,--gc-sections -mcpu=cortex-m0plus \ + \ + \ +-T"../samd21a/gcc/gcc/samd21g18a_flash.ld" \ +-L"../samd21a/gcc/gcc" + @echo Finished building target: $@ + + "arm-none-eabi-objcopy" -O binary "$(OUTPUT_FILE_NAME).elf" "$(OUTPUT_FILE_NAME).bin" + "arm-none-eabi-objcopy" -O ihex -R .eeprom -R .fuse -R .lock -R .signature \ + "$(OUTPUT_FILE_NAME).elf" "$(OUTPUT_FILE_NAME).hex" + "arm-none-eabi-objcopy" -j .eeprom --set-section-flags=.eeprom=alloc,load --change-section-lma \ + .eeprom=0 --no-change-warnings -O binary "$(OUTPUT_FILE_NAME).elf" \ + "$(OUTPUT_FILE_NAME).eep" || exit 0 + "arm-none-eabi-objdump" -h -S "$(OUTPUT_FILE_NAME).elf" > "$(OUTPUT_FILE_NAME).lss" + "arm-none-eabi-size" "$(OUTPUT_FILE_NAME).elf" + +# Compiler targets + + +%.o: %.c + @echo Building file: $< + @echo ARM/GNU C Compiler + $(QUOTE)arm-none-eabi-gcc$(QUOTE) -x c -mthumb -DDEBUG -Os -ffunction-sections -mlong-calls -g3 -Wall -c -std=gnu99 \ +-D__SAMD21G18A__ -mcpu=cortex-m0plus \ +-I"../" -I"../config" -I"../examples" -I"../hal/include" -I"../hal/utils/include" -I"../hpl/adc" -I"../hpl/core" -I"../hpl/dac" -I"../hpl/dmac" -I"../hpl/gclk" -I"../hpl/nvmctrl" -I"../hpl/pm" -I"../hpl/port" -I"../hpl/rtc" -I"../hpl/sercom" -I"../hpl/sysctrl" -I"../hpl/systick" -I"../hpl/tc" -I"../hpl/usb" -I"../hri" -I"../" -I"../usb" -I"../usb/class/cdc" -I"../usb/class/cdc/device" -I"../usb/class/composite/device" -I"../usb/class/hid" -I"../usb/class/hid/device" -I"../usb/class/hub" -I"../usb/class/msc" -I"../usb/class/vendor" -I"../usb/device" -I"../" -I"../CMSIS/Include" -I"../samd21a/include" \ +-MD -MP -MF "$(@:%.o=%.d)" -MT"$(@:%.o=%.d)" -MT"$(@:%.o=%.o)" -o "$@" "$<" + @echo Finished building: $< + +%.o: %.s + @echo Building file: $< + @echo ARM/GNU Assembler + $(QUOTE)arm-none-eabi-as$(QUOTE) -x c -mthumb -DDEBUG -Os -ffunction-sections -mlong-calls -g3 -Wall -c -std=gnu99 \ +-D__SAMD21G18A__ -mcpu=cortex-m0plus \ +-I"../" -I"../config" -I"../examples" -I"../hal/include" -I"../hal/utils/include" -I"../hpl/adc" -I"../hpl/core" -I"../hpl/dac" -I"../hpl/dmac" -I"../hpl/gclk" -I"../hpl/nvmctrl" -I"../hpl/pm" -I"../hpl/port" -I"../hpl/rtc" -I"../hpl/sercom" -I"../hpl/sysctrl" -I"../hpl/systick" -I"../hpl/tc" -I"../hpl/usb" -I"../hri" -I"../" -I"../usb" -I"../usb/class/cdc" -I"../usb/class/cdc/device" -I"../usb/class/composite/device" -I"../usb/class/hid" -I"../usb/class/hid/device" -I"../usb/class/hub" -I"../usb/class/msc" -I"../usb/class/vendor" -I"../usb/device" -I"../" -I"../CMSIS/Include" -I"../samd21a/include" \ +-MD -MP -MF "$(@:%.o=%.d)" -MT"$(@:%.o=%.d)" -MT"$(@:%.o=%.o)" -o "$@" "$<" + @echo Finished building: $< + +%.o: %.S + @echo Building file: $< + @echo ARM/GNU Preprocessing Assembler + $(QUOTE)arm-none-eabi-gcc$(QUOTE) -x c -mthumb -DDEBUG -Os -ffunction-sections -mlong-calls -g3 -Wall -c -std=gnu99 \ +-D__SAMD21G18A__ -mcpu=cortex-m0plus \ +-I"../" -I"../config" -I"../examples" -I"../hal/include" -I"../hal/utils/include" -I"../hpl/adc" -I"../hpl/core" -I"../hpl/dac" -I"../hpl/dmac" -I"../hpl/gclk" -I"../hpl/nvmctrl" -I"../hpl/pm" -I"../hpl/port" -I"../hpl/rtc" -I"../hpl/sercom" -I"../hpl/sysctrl" -I"../hpl/systick" -I"../hpl/tc" -I"../hpl/usb" -I"../hri" -I"../" -I"../usb" -I"../usb/class/cdc" -I"../usb/class/cdc/device" -I"../usb/class/composite/device" -I"../usb/class/hid" -I"../usb/class/hid/device" -I"../usb/class/hub" -I"../usb/class/msc" -I"../usb/class/vendor" -I"../usb/device" -I"../" -I"../CMSIS/Include" -I"../samd21a/include" \ +-MD -MP -MF "$(@:%.o=%.d)" -MT"$(@:%.o=%.d)" -MT"$(@:%.o=%.o)" -o "$@" "$<" + @echo Finished building: $< + +# Detect changes in the dependent files and recompile the respective object files. +ifneq ($(MAKECMDGOALS),clean) +ifneq ($(strip $(DEPS)),) +-include $(DEPS) +endif +endif + +$(SUB_DIRS): + $(MK_DIR) "$@" + +clean: + rm -f $(OBJS_AS_ARGS) + rm -f $(OUTPUT_FILE_PATH) + rm -f $(DEPS_AS_ARGS) + rm -f $(OUTPUT_FILE_NAME).a $(OUTPUT_FILE_NAME).hex $(OUTPUT_FILE_NAME).bin \ + $(OUTPUT_FILE_NAME).lss $(OUTPUT_FILE_NAME).eep $(OUTPUT_FILE_NAME).map \ + $(OUTPUT_FILE_NAME).srec diff --git a/atmel-samd/asf4/samd21/gcc/gcc/samd21g18a_flash.ld b/atmel-samd/asf4/samd21/gcc/gcc/samd21g18a_flash.ld new file mode 100644 index 000000000..2c94a53ba --- /dev/null +++ b/atmel-samd/asf4/samd21/gcc/gcc/samd21g18a_flash.ld @@ -0,0 +1,142 @@ +/** + * \file + * + * \brief Linker script for running in internal FLASH on the SAMD21G18A + * + * Copyright (c) 2016 Atmel Corporation, + * a wholly owned subsidiary of Microchip Technology Inc. + * + * \asf_license_start + * + * \page License + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the Licence at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * \asf_license_stop + * + */ + + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +SEARCH_DIR(.) + +/* Memory Spaces Definitions */ +MEMORY +{ + rom (rx) : ORIGIN = 0x00000000, LENGTH = 0x00040000 + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00008000 +} + +/* The stack size used by the application. NOTE: you need to adjust according to your application. */ +STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000; + +/* Section Definitions */ +SECTIONS +{ + .text : + { + . = ALIGN(4); + _sfixed = .; + KEEP(*(.vectors .vectors.*)) + *(.text .text.* .gnu.linkonce.t.*) + *(.glue_7t) *(.glue_7) + *(.rodata .rodata* .gnu.linkonce.r.*) + *(.ARM.extab* .gnu.linkonce.armextab.*) + + /* Support C constructors, and C destructors in both user code + and the C library. This also provides support for C++ code. */ + . = ALIGN(4); + KEEP(*(.init)) + . = ALIGN(4); + __preinit_array_start = .; + KEEP (*(.preinit_array)) + __preinit_array_end = .; + + . = ALIGN(4); + __init_array_start = .; + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + __init_array_end = .; + + . = ALIGN(4); + KEEP (*crtbegin.o(.ctors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*crtend.o(.ctors)) + + . = ALIGN(4); + KEEP(*(.fini)) + + . = ALIGN(4); + __fini_array_start = .; + KEEP (*(.fini_array)) + KEEP (*(SORT(.fini_array.*))) + __fini_array_end = .; + + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*crtend.o(.dtors)) + + . = ALIGN(4); + _efixed = .; /* End of text section */ + } > rom + + /* .ARM.exidx is sorted, so has to go in its own output section. */ + PROVIDE_HIDDEN (__exidx_start = .); + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > rom + PROVIDE_HIDDEN (__exidx_end = .); + + . = ALIGN(4); + _etext = .; + + .relocate : AT (_etext) + { + . = ALIGN(4); + _srelocate = .; + *(.ramfunc .ramfunc.*); + *(.data .data.*); + . = ALIGN(4); + _erelocate = .; + } > ram + + /* .bss section which is used for uninitialized data */ + .bss (NOLOAD) : + { + . = ALIGN(4); + _sbss = . ; + _szero = .; + *(.bss .bss.*) + *(COMMON) + . = ALIGN(4); + _ebss = . ; + _ezero = .; + } > ram + + /* stack section */ + .stack (NOLOAD): + { + . = ALIGN(8); + _sstack = .; + . = . + STACK_SIZE; + . = ALIGN(8); + _estack = .; + } > ram + + . = ALIGN(4); + _end = . ; +} diff --git a/atmel-samd/asf4/samd21/gcc/gcc/samd21g18a_sram.ld b/atmel-samd/asf4/samd21/gcc/gcc/samd21g18a_sram.ld new file mode 100644 index 000000000..f0462a22d --- /dev/null +++ b/atmel-samd/asf4/samd21/gcc/gcc/samd21g18a_sram.ld @@ -0,0 +1,141 @@ +/** + * \file + * + * \brief Linker script for running in internal SRAM on the SAMD21G18A + * + * Copyright (c) 2016 Atmel Corporation, + * a wholly owned subsidiary of Microchip Technology Inc. + * + * \asf_license_start + * + * \page License + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the Licence at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * \asf_license_stop + * + */ + + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +SEARCH_DIR(.) + +/* Memory Spaces Definitions */ +MEMORY +{ + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00008000 +} + +/* The stack size used by the application. NOTE: you need to adjust according to your application. */ +STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000; + +/* Section Definitions */ +SECTIONS +{ + .text : + { + . = ALIGN(4); + _sfixed = .; + KEEP(*(.vectors .vectors.*)) + *(.text .text.* .gnu.linkonce.t.*) + *(.glue_7t) *(.glue_7) + *(.rodata .rodata* .gnu.linkonce.r.*) + *(.ARM.extab* .gnu.linkonce.armextab.*) + + /* Support C constructors, and C destructors in both user code + and the C library. This also provides support for C++ code. */ + . = ALIGN(4); + KEEP(*(.init)) + . = ALIGN(4); + __preinit_array_start = .; + KEEP (*(.preinit_array)) + __preinit_array_end = .; + + . = ALIGN(4); + __init_array_start = .; + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + __init_array_end = .; + + . = ALIGN(4); + KEEP (*crtbegin.o(.ctors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*crtend.o(.ctors)) + + . = ALIGN(4); + KEEP(*(.fini)) + + . = ALIGN(4); + __fini_array_start = .; + KEEP (*(.fini_array)) + KEEP (*(SORT(.fini_array.*))) + __fini_array_end = .; + + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*crtend.o(.dtors)) + + . = ALIGN(4); + _efixed = .; /* End of text section */ + } > ram + + /* .ARM.exidx is sorted, so has to go in its own output section. */ + PROVIDE_HIDDEN (__exidx_start = .); + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > ram + PROVIDE_HIDDEN (__exidx_end = .); + + . = ALIGN(4); + _etext = .; + + .relocate : AT (_etext) + { + . = ALIGN(4); + _srelocate = .; + *(.ramfunc .ramfunc.*); + *(.data .data.*); + . = ALIGN(4); + _erelocate = .; + } > ram + + /* .bss section which is used for uninitialized data */ + .bss (NOLOAD) : + { + . = ALIGN(4); + _sbss = . ; + _szero = .; + *(.bss .bss.*) + *(COMMON) + . = ALIGN(4); + _ebss = . ; + _ezero = .; + } > ram + + /* stack section */ + .stack (NOLOAD): + { + . = ALIGN(8); + _sstack = .; + . = . + STACK_SIZE; + . = ALIGN(8); + _estack = .; + } > ram + + . = ALIGN(4); + _end = . ; +} diff --git a/atmel-samd/asf4/samd21/gcc/gcc/startup_samd21.c b/atmel-samd/asf4/samd21/gcc/gcc/startup_samd21.c new file mode 100644 index 000000000..ddc0580d7 --- /dev/null +++ b/atmel-samd/asf4/samd21/gcc/gcc/startup_samd21.c @@ -0,0 +1,265 @@ +/** + * \file + * + * \brief gcc starttup file for SAMD21 + * + * Copyright (c) 2016 Atmel Corporation, + * a wholly owned subsidiary of Microchip Technology Inc. + * + * \asf_license_start + * + * \page License + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the Licence at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * \asf_license_stop + * + */ + +#include "samd21.h" + +/* Initialize segments */ +extern uint32_t _sfixed; +extern uint32_t _efixed; +extern uint32_t _etext; +extern uint32_t _srelocate; +extern uint32_t _erelocate; +extern uint32_t _szero; +extern uint32_t _ezero; +extern uint32_t _sstack; +extern uint32_t _estack; + +/** \cond DOXYGEN_SHOULD_SKIP_THIS */ +int main(void); +/** \endcond */ + +void __libc_init_array(void); + +/* Default empty handler */ +void Dummy_Handler(void); + +/* Cortex-M0+ core handlers */ +void NMI_Handler(void) __attribute__((weak, alias("Guilty_Handler"))); +void HardFault_Handler(void) __attribute__((weak, alias("Guilty_Handler"))); +void SVC_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void PendSV_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void SysTick_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); + +/* Peripherals handlers */ +void PM_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void SYSCTRL_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void WDT_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void RTC_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void EIC_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void NVMCTRL_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void DMAC_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +#ifdef ID_USB +void USB_Handler(void) __attribute__((weak, alias("Guilty_Handler"))); +#endif +void EVSYS_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void SERCOM0_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void SERCOM1_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void SERCOM2_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void SERCOM3_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +#ifdef ID_SERCOM4 +void SERCOM4_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +#endif +#ifdef ID_SERCOM5 +void SERCOM5_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +#endif +void TCC0_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void TCC1_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void TCC2_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void TC3_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void TC4_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +void TC5_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +#ifdef ID_TC6 +void TC6_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +#endif +#ifdef ID_TC7 +void TC7_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +#endif +#ifdef ID_ADC +void ADC_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +#endif +#ifdef ID_AC +void AC_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +#endif +#ifdef ID_DAC +void DAC_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +#endif +#ifdef ID_PTC +void PTC_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); +#endif +void I2S_Handler(void) __attribute__((weak, alias("Dummy_Handler"))); + +/* Exception Table */ +__attribute__((section(".vectors"), used)) const DeviceVectors exception_table = { + + /* Configure Initial Stack Pointer, using linker-generated symbols */ + .pvStack = (void *)(&_estack), + + .pfnReset_Handler = (void *)Reset_Handler, + .pfnNMI_Handler = (void *)NMI_Handler, + .pfnHardFault_Handler = (void *)HardFault_Handler, + .pvReservedM12 = (void *)(0UL), /* Reserved */ + .pvReservedM11 = (void *)(0UL), /* Reserved */ + .pvReservedM10 = (void *)(0UL), /* Reserved */ + .pvReservedM9 = (void *)(0UL), /* Reserved */ + .pvReservedM8 = (void *)(0UL), /* Reserved */ + .pvReservedM7 = (void *)(0UL), /* Reserved */ + .pvReservedM6 = (void *)(0UL), /* Reserved */ + .pfnSVC_Handler = (void *)SVC_Handler, + .pvReservedM4 = (void *)(0UL), /* Reserved */ + .pvReservedM3 = (void *)(0UL), /* Reserved */ + .pfnPendSV_Handler = (void *)PendSV_Handler, + .pfnSysTick_Handler = (void *)SysTick_Handler, + + /* Configurable interrupts */ + .pfnPM_Handler = (void *)PM_Handler, /* 0 Power Manager */ + .pfnSYSCTRL_Handler = (void *)SYSCTRL_Handler, /* 1 System Control */ + .pfnWDT_Handler = (void *)WDT_Handler, /* 2 Watchdog Timer */ + .pfnRTC_Handler = (void *)RTC_Handler, /* 3 Real-Time Counter */ + .pfnEIC_Handler = (void *)EIC_Handler, /* 4 External Interrupt Controller */ + .pfnNVMCTRL_Handler = (void *)NVMCTRL_Handler, /* 5 Non-Volatile Memory Controller */ + .pfnDMAC_Handler = (void *)DMAC_Handler, /* 6 Direct Memory Access Controller */ +#ifdef ID_USB + .pfnUSB_Handler = (void *)USB_Handler, /* 7 Universal Serial Bus */ +#else + .pvReserved7 = (void *)(0UL), /* 7 Reserved */ +#endif + .pfnEVSYS_Handler = (void *)EVSYS_Handler, /* 8 Event System Interface */ + .pfnSERCOM0_Handler = (void *)SERCOM0_Handler, /* 9 Serial Communication Interface 0 */ + .pfnSERCOM1_Handler = (void *)SERCOM1_Handler, /* 10 Serial Communication Interface 1 */ + .pfnSERCOM2_Handler = (void *)SERCOM2_Handler, /* 11 Serial Communication Interface 2 */ + .pfnSERCOM3_Handler = (void *)SERCOM3_Handler, /* 12 Serial Communication Interface 3 */ +#ifdef ID_SERCOM4 + .pfnSERCOM4_Handler = (void *)SERCOM4_Handler, /* 13 Serial Communication Interface 4 */ +#else + .pvReserved13 = (void *)(0UL), /* 13 Reserved */ +#endif +#ifdef ID_SERCOM5 + .pfnSERCOM5_Handler = (void *)SERCOM5_Handler, /* 14 Serial Communication Interface 5 */ +#else + .pvReserved14 = (void *)(0UL), /* 14 Reserved */ +#endif + .pfnTCC0_Handler = (void *)TCC0_Handler, /* 15 Timer Counter Control 0 */ + .pfnTCC1_Handler = (void *)TCC1_Handler, /* 16 Timer Counter Control 1 */ + .pfnTCC2_Handler = (void *)TCC2_Handler, /* 17 Timer Counter Control 2 */ + .pfnTC3_Handler = (void *)TC3_Handler, /* 18 Basic Timer Counter 0 */ + .pfnTC4_Handler = (void *)TC4_Handler, /* 19 Basic Timer Counter 1 */ + .pfnTC5_Handler = (void *)TC5_Handler, /* 20 Basic Timer Counter 2 */ +#ifdef ID_TC6 + .pfnTC6_Handler = (void *)TC6_Handler, /* 21 Basic Timer Counter 3 */ +#else + .pvReserved21 = (void *)(0UL), /* 21 Reserved */ +#endif +#ifdef ID_TC7 + .pfnTC7_Handler = (void *)TC7_Handler, /* 22 Basic Timer Counter 4 */ +#else + .pvReserved22 = (void *)(0UL), /* 22 Reserved */ +#endif +#ifdef ID_ADC + .pfnADC_Handler = (void *)ADC_Handler, /* 23 Analog Digital Converter */ +#else + .pvReserved23 = (void *)(0UL), /* 23 Reserved */ +#endif +#ifdef ID_AC + .pfnAC_Handler = (void *)AC_Handler, /* 24 Analog Comparators */ +#else + .pvReserved24 = (void *)(0UL), /* 24 Reserved */ +#endif +#ifdef ID_DAC + .pfnDAC_Handler = (void *)DAC_Handler, /* 25 Digital Analog Converter */ +#else + .pvReserved25 = (void *)(0UL), /* 25 Reserved */ +#endif +#ifdef ID_PTC + .pfnPTC_Handler = (void *)PTC_Handler, /* 26 Peripheral Touch Controller */ +#else + .pvReserved26 = (void *)(0UL), /* 26 Reserved */ +#endif + .pfnI2S_Handler = (void *)I2S_Handler, /* 27 Inter-IC Sound Interface */ + .pvReserved28 = (void *)(0UL) /* 28 Reserved */ +}; + +/** + * \brief This is the code that gets called on processor reset. + * To initialize the device, and call the main() routine. + */ +void Reset_Handler(void) +{ + uint32_t *pSrc, *pDest; + + /* Initialize the relocate segment */ + pSrc = &_etext; + pDest = &_srelocate; + + if (pSrc != pDest) { + for (; pDest < &_erelocate;) { + *pDest++ = *pSrc++; + } + } + + /* Clear the zero segment */ + for (pDest = &_szero; pDest < &_ezero;) { + *pDest++ = 0; + } + + /* Set the vector table base address */ + pSrc = (uint32_t *)&_sfixed; + SCB->VTOR = ((uint32_t)pSrc & SCB_VTOR_TBLOFF_Msk); + + /* Change default QOS values to have the best performance and correct USB behaviour */ + SBMATRIX->SFR[SBMATRIX_SLAVE_HMCRAMC0].reg = 2; +#if defined(ID_USB) + USB->DEVICE.QOSCTRL.bit.CQOS = 2; + USB->DEVICE.QOSCTRL.bit.DQOS = 2; +#endif + DMAC->QOSCTRL.bit.DQOS = 2; + DMAC->QOSCTRL.bit.FQOS = 2; + DMAC->QOSCTRL.bit.WRBQOS = 2; + + /* Overwriting the default value of the NVMCTRL.CTRLB.MANW bit (errata reference 13134) */ + NVMCTRL->CTRLB.bit.MANW = 1; + + /* Initialize the C library */ + // __libc_init_array(); + + /* Branch to main function */ + main(); + + /* Infinite loop */ + while (1) + ; +} + +/** + * \brief Default interrupt handler for unused IRQs. + */ +__attribute__((used)) void Dummy_Handler(void) +{ + while (1) { + asm(""); + } +} + +/** + * \brief Default interrupt handler for unused IRQs. + */ +void Guilty_Handler(void) +{ + while (1) { + asm(""); + } +} diff --git a/atmel-samd/asf4/samd21/gcc/system_samd21.c b/atmel-samd/asf4/samd21/gcc/system_samd21.c new file mode 100644 index 000000000..274ecccb8 --- /dev/null +++ b/atmel-samd/asf4/samd21/gcc/system_samd21.c @@ -0,0 +1,63 @@ +/** + * \file + * + * \brief Low-level initialization functions called upon chip startup. + * + * Copyright (c) 2016 Atmel Corporation, + * a wholly owned subsidiary of Microchip Technology Inc. + * + * \asf_license_start + * + * \page License + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the Licence at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * \asf_license_stop + * + */ + +#include "samd21.h" + +/** + * Initial system clock frequency. The System RC Oscillator (RCSYS) provides + * the source for the main clock at chip startup. + */ +#define __SYSTEM_CLOCK (1000000) + +uint32_t SystemCoreClock = __SYSTEM_CLOCK; /*!< System Clock Frequency (Core Clock)*/ + +/** + * Initialize the system + * + * @brief Setup the microcontroller system. + * Initialize the System and update the SystemCoreClock variable. + */ +void SystemInit(void) +{ + // Keep the default device state after reset + SystemCoreClock = __SYSTEM_CLOCK; + return; +} + +/** + * Update SystemCoreClock variable + * + * @brief Updates the SystemCoreClock with current core Clock + * retrieved from cpu registers. + */ +void SystemCoreClockUpdate(void) +{ + // Not implemented + SystemCoreClock = __SYSTEM_CLOCK; + return; +} |