Initial commit.
This commit is contained in:
commit
3104a44e7c
GPG Key ID:
17F01E106F9F5E0A
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@ -0,0 +1,3 @@
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[submodule "lib/libch57x"]
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path = lib/libch57x
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url = https://github.com/imi415/libch57x.git
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@ -0,0 +1,106 @@
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cmake_minimum_required(VERSION 3.10)
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project(libch57x_hello)
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enable_language(CXX)
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enable_language(ASM)
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# Extra CFlags
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set(TARGET_CFLAGS_EXTRA "-Og")
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set(TARGET_CFLAGS_EXTRA "-Og")
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set(TARGET_LDFLAGS_EXTRA "-Wl,--print-memory-usage")
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# Different linker scripts
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set(TARGET_LDSCRIPT_FLASH "${CMAKE_SOURCE_DIR}/lib/libch57x/lib/CMSIS_Vendor/WCH/CH57x/Source/GCC/ch579_FLASH.ld")
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set(TARGET_LDSCRIPT_RAM "${CMAKE_SOURCE_DIR}/ch579_RAM.ld")
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# Copy them from Makefile
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set(TARGET_C_SOURCES
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"lib/libch57x/lib/CMSIS_Vendor/WCH/CH57x/Source/GCC/startup_ch57x.c"
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"src/main.c"
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)
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# Copy them from Makefile
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set(TARGET_ASM_SOURCES
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)
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# Copy them from Makefile
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set(TARGET_C_DEFINES
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)
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# Copy them from Makefile
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set(TARGET_C_INCLUDES
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"include"
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)
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# Shared libraries linked with application
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set(TARGET_LIBS
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"ch57x"
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)
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# Shared library and linker script search paths
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set(TARGET_LIB_DIRECTORIES
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)
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# Device specific settings, goes to CFLAGS and LDFLAGS
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set(TARGET_CFLAGS_HARDWARE "-mcpu=cortex-m0 -mfloat-abi=soft -mthumb")
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# Conditional flags
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# DEBUG
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set(CMAKE_C_FLAGS_DEBUG "-DDEBUG -Og -g")
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set(CMAKE_CXX_FLAGS_DEBUG "-DDEBUG -Og -g")
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set(CMAKE_ASM_FLAGS_DEBUG "-DDEBUG -Og -g")
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# RELEASE
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set(CMAKE_C_FLAGS_RELEASE "-DNDEBUG -O2 -flto")
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set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG -O2 -flto")
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set(CMAKE_ASM_FLAGS_RELEASE "-DNDEBUG -O2 -flto")
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set(CMAKE_EXE_LINKER_FLAGS_DEBUG "-flto")
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# Final compiler flags
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${TARGET_CFLAGS_HARDWARE} ${TARGET_CFLAGS_EXTRA} -Wall -fdata-sections -ffunction-sections")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${TARGET_CFLAGS_HARDWARE} ${TARGET_CXXFLAGS_EXTRA} -Wall -fdata-sections -ffunction-sections")
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set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} ${TARGET_CMAKE_C_FLAGS} -x assembler-with-cpp")
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set(CMAKE_EXE_LINKER_FLAGS "-specs=nano.specs -Wl,--gc-sections -lc -lm -lnosys ${TARGET_LDFLAGS_EXTRA}")
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# Include sub directories here
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set(LIBCH57X_DEVICE "CH579")
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add_subdirectory(lib/libch57x)
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# Shared sources, includes and definitions
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add_compile_definitions(${TARGET_C_DEFINES})
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include_directories(${TARGET_C_INCLUDES})
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link_directories(${TARGET_LIB_DIRECTORIES})
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link_libraries(${TARGET_LIBS})
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# Main targets are added here
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# **** Internal Flash ****
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# Create ELF
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add_executable("${CMAKE_PROJECT_NAME}_FLASH.elf" ${TARGET_C_SOURCES} ${TARGET_ASM_SOURCES})
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target_link_options("${CMAKE_PROJECT_NAME}_FLASH.elf"
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PRIVATE "-T${TARGET_LDSCRIPT_FLASH}"
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PRIVATE "-Wl,-Map=${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_PROJECT_NAME}_FLASH.map,--cref"
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)
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add_custom_command(OUTPUT "${CMAKE_PROJECT_NAME}_FLASH.hex"
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COMMAND ${CMAKE_OBJCOPY} "-O" "ihex" "${CMAKE_PROJECT_NAME}_FLASH.elf" "${CMAKE_PROJECT_NAME}_FLASH.hex"
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DEPENDS "${CMAKE_PROJECT_NAME}_FLASH.elf"
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)
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add_custom_target("${CMAKE_PROJECT_NAME}_FLASH_HEX" DEPENDS "${CMAKE_PROJECT_NAME}_FLASH.hex")
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# **** Internal SRAM ****
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# Create ELF
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add_executable("${CMAKE_PROJECT_NAME}_RAM.elf" ${TARGET_C_SOURCES} ${TARGET_ASM_SOURCES})
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target_link_options("${CMAKE_PROJECT_NAME}_RAM.elf"
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PRIVATE "-T${TARGET_LDSCRIPT_RAM}"
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PRIVATE "-Wl,-Map=${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_PROJECT_NAME}_RAM.map,--cref"
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)
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add_custom_command(OUTPUT "${CMAKE_PROJECT_NAME}_RAM.hex"
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COMMAND ${CMAKE_OBJCOPY} "-O" "ihex" "${CMAKE_PROJECT_NAME}_FLASH.elf" "${CMAKE_PROJECT_NAME}_RAM.hex"
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DEPENDS "${CMAKE_PROJECT_NAME}_RAM.elf"
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)
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add_custom_target("${CMAKE_PROJECT_NAME}_RAM_HEX" DEPENDS "${CMAKE_PROJECT_NAME}_RAM.hex")
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@ -0,0 +1,4 @@
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set(CMAKE_C_COMPILER arm-none-eabi-gcc)
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set(CMAKE_CXX_COMPILER arm-none-eabi-g++)
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# Make CMake happy about those compilers
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set(CMAKE_TRY_COMPILE_TARGET_TYPE "STATIC_LIBRARY")
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@ -0,0 +1,296 @@
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/******************************************************************************
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* @file gcc_arm.ld
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* @brief GNU Linker Script for Cortex-M based device
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* @version V2.1.0
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* @date 04. August 2020
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******************************************************************************/
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/*
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* Copyright (c) 2009-2020 Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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*-------- <<< Use Configuration Wizard in Context Menu >>> -------------------
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*/
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/*---------------------- Flash Configuration ----------------------------------
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<h> Flash Configuration
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<o0> Flash Base Address <0x0-0xFFFFFFFF:8>
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<o1> Flash Size (in Bytes) <0x0-0xFFFFFFFF:8>
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</h>
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-----------------------------------------------------------------------------*/
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__ROM_BASE = 0x00000000;
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__ROM_SIZE = 0x0003E800;
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/*--------------------- Embedded RAM Configuration ----------------------------
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<h> RAM Configuration
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<o0> RAM Base Address <0x0-0xFFFFFFFF:8>
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<o1> RAM Size (in Bytes) <0x0-0xFFFFFFFF:8>
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</h>
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-----------------------------------------------------------------------------*/
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__RAM_BASE = 0x20000000;
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__RAM_SIZE = 0x00008000;
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/*--------------------- Stack / Heap Configuration ----------------------------
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<h> Stack / Heap Configuration
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<o0> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
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<o1> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
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</h>
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-----------------------------------------------------------------------------*/
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__STACK_SIZE = 0x00000400;
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__HEAP_SIZE = 0x00000C00;
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/*
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*-------------------- <<< end of configuration section >>> -------------------
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*/
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MEMORY
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{
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FLASH (rx) : ORIGIN = __ROM_BASE, LENGTH = __ROM_SIZE
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RAM (rwx) : ORIGIN = __RAM_BASE, LENGTH = __RAM_SIZE
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}
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/* Linker script to place sections and symbol values. Should be used together
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* with other linker script that defines memory regions FLASH and RAM.
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* It references following symbols, which must be defined in code:
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* Reset_Handler : Entry of reset handler
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*
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* It defines following symbols, which code can use without definition:
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* __exidx_start
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* __exidx_end
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* __copy_table_start__
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* __copy_table_end__
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* __zero_table_start__
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* __zero_table_end__
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* __etext
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* __data_start__
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* __preinit_array_start
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* __preinit_array_end
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* __init_array_start
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* __init_array_end
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* __fini_array_start
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* __fini_array_end
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* __data_end__
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* __bss_start__
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* __bss_end__
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* __end__
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* end
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* __HeapLimit
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* __StackLimit
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* __StackTop
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* __stack
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*/
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ENTRY(Reset_Handler)
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SECTIONS
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{
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.text :
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{
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KEEP(*(.vectors))
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*(.text*)
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KEEP(*(.init))
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KEEP(*(.fini))
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/* .ctors */
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*crtbegin.o(.ctors)
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*crtbegin?.o(.ctors)
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*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
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*(SORT(.ctors.*))
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*(.ctors)
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/* .dtors */
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*crtbegin.o(.dtors)
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*crtbegin?.o(.dtors)
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*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
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*(SORT(.dtors.*))
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*(.dtors)
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*(.rodata*)
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KEEP(*(.eh_frame*))
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} > RAM
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/*
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* SG veneers:
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* All SG veneers are placed in the special output section .gnu.sgstubs. Its start address
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* must be set, either with the command line option <20>--section-start<72> or in a linker script,
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* to indicate where to place these veneers in memory.
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*/
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/*
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.gnu.sgstubs :
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{
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. = ALIGN(32);
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} > FLASH
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*/
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.ARM.extab :
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{
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*(.ARM.extab* .gnu.linkonce.armextab.*)
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} > RAM
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__exidx_start = .;
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.ARM.exidx :
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{
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*(.ARM.exidx* .gnu.linkonce.armexidx.*)
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} > RAM
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__exidx_end = .;
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.copy.table :
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{
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. = ALIGN(4);
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__copy_table_start__ = .;
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LONG (__etext)
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LONG (__data_start__)
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LONG ((__data_end__ - __data_start__) / 4)
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/* Add each additional data section here */
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/*
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LONG (__etext2)
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LONG (__data2_start__)
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LONG ((__data2_end__ - __data2_start__) / 4)
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*/
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__copy_table_end__ = .;
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} > RAM
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.zero.table :
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{
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. = ALIGN(4);
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__zero_table_start__ = .;
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/* Add each additional bss section here */
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/*
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LONG (__bss2_start__)
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LONG ((__bss2_end__ - __bss2_start__) / 4)
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*/
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__zero_table_end__ = .;
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} > RAM
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/**
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* Location counter can end up 2byte aligned with narrow Thumb code but
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* __etext is assumed by startup code to be the LMA of a section in RAM
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* which must be 4byte aligned
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*/
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__etext = ALIGN (4);
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.data : AT (__etext)
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{
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__data_start__ = .;
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*(vtable)
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*(.data)
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*(.data.*)
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. = ALIGN(4);
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/* preinit data */
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PROVIDE_HIDDEN (__preinit_array_start = .);
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KEEP(*(.preinit_array))
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PROVIDE_HIDDEN (__preinit_array_end = .);
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. = ALIGN(4);
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/* init data */
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PROVIDE_HIDDEN (__init_array_start = .);
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KEEP(*(SORT(.init_array.*)))
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KEEP(*(.init_array))
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PROVIDE_HIDDEN (__init_array_end = .);
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. = ALIGN(4);
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/* finit data */
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PROVIDE_HIDDEN (__fini_array_start = .);
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KEEP(*(SORT(.fini_array.*)))
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KEEP(*(.fini_array))
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PROVIDE_HIDDEN (__fini_array_end = .);
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KEEP(*(.jcr*))
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. = ALIGN(4);
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/* All data end */
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__data_end__ = .;
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} > RAM
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/*
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* Secondary data section, optional
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*
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* Remember to add each additional data section
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* to the .copy.table above to asure proper
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* initialization during startup.
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*/
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/*
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__etext2 = ALIGN (4);
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.data2 : AT (__etext2)
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{
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. = ALIGN(4);
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__data2_start__ = .;
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*(.data2)
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*(.data2.*)
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. = ALIGN(4);
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__data2_end__ = .;
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} > RAM2
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*/
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.bss :
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{
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. = ALIGN(4);
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__bss_start__ = .;
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*(.bss)
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*(.bss.*)
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*(COMMON)
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. = ALIGN(4);
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__bss_end__ = .;
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} > RAM AT > RAM
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||||
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||||
/*
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||||
* Secondary bss section, optional
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||||
*
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||||
* Remember to add each additional bss section
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||||
* to the .zero.table above to asure proper
|
||||
* initialization during startup.
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||||
*/
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||||
/*
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||||
.bss2 :
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||||
{
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||||
. = ALIGN(4);
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||||
__bss2_start__ = .;
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||||
*(.bss2)
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||||
*(.bss2.*)
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||||
. = ALIGN(4);
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||||
__bss2_end__ = .;
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||||
} > RAM2 AT > RAM2
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||||
*/
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||||
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||||
.heap (COPY) :
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||||
{
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||||
. = ALIGN(8);
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||||
__end__ = .;
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||||
PROVIDE(end = .);
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||||
. = . + __HEAP_SIZE;
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||||
. = ALIGN(8);
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||||
__HeapLimit = .;
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||||
} > RAM
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||||
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||||
.stack (ORIGIN(RAM) + LENGTH(RAM) - __STACK_SIZE) (COPY) :
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||||
{
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||||
. = ALIGN(8);
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||||
__StackLimit = .;
|
||||
. = . + __STACK_SIZE;
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||||
. = ALIGN(8);
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||||
__StackTop = .;
|
||||
} > RAM
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||||
PROVIDE(__stack = __StackTop);
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||||
|
||||
/* Check if data + heap + stack exceeds RAM limit */
|
||||
ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
|
||||
}
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||||
|
|
@ -0,0 +1 @@
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|||
Subproject commit 1140a7cf4202d783875bc9cb61d6cd16d45f0e1b
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||||
|
|
@ -0,0 +1,9 @@
|
|||
#include "ch57x.h"
|
||||
|
||||
int main(int argc, const char *argv[]) {
|
||||
volatile uint8_t chip_id = CH57x_SYSAUX->CHIP_ID;
|
||||
|
||||
for (;;) {
|
||||
// Dead Loop.
|
||||
}
|
||||
}
|
||||
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