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Support XuanTie E906 CPU. #500

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ede5aa2
Support XuanTie E906 CPU.
goodnorning Feb 12, 2026
1d796d5
Add RISC-V32 arch. port layer
akifejaz Feb 16, 2026
7bf8308
Support XuanTie E906 CPU
goodnorning Feb 25, 2026
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29 changes: 29 additions & 0 deletions cmake/riscv32-unknown-elf.cmake
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# Toolchain settings
set(CMAKE_C_COMPILER riscv32-unknown-elf-gcc)
set(CMAKE_CXX_COMPILER riscv32-unknown-elf-g++)
set(AS riscv32-unknown-elf-as)
set(AR riscv32-unknown-elf-ar)
set(OBJCOPY riscv32-unknown-elf-objcopy)
set(OBJDUMP riscv32-unknown-elf-objdump)
set(SIZE riscv32-unknown-elf-size)

set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)

# this makes the test compiles use static library option so that we don't need to pre-set linker flags and scripts
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)

set(CMAKE_C_FLAGS "${CFLAGS}" CACHE INTERNAL "c compiler flags")
set(CMAKE_CXX_FLAGS "${CXXFLAGS}" CACHE INTERNAL "cxx compiler flags")
set(CMAKE_ASM_FLAGS "${ASFLAGS} -D__ASSEMBLER__ -D__riscv_float_abi_single" CACHE INTERNAL "asm compiler flags")
set(CMAKE_EXE_LINKER_FLAGS "${LDFLAGS}" CACHE INTERNAL "exe link flags")

SET(CMAKE_C_FLAGS_DEBUG "-Og -g -ggdb3" CACHE INTERNAL "c debug compiler flags")
SET(CMAKE_CXX_FLAGS_DEBUG "-Og -g -ggdb3" CACHE INTERNAL "cxx debug compiler flags")
SET(CMAKE_ASM_FLAGS_DEBUG "-g -ggdb3" CACHE INTERNAL "asm debug compiler flags")

SET(CMAKE_C_FLAGS_RELEASE "-O3" CACHE INTERNAL "c release compiler flags")
SET(CMAKE_CXX_FLAGS_RELEASE "-O3" CACHE INTERNAL "cxx release compiler flags")
SET(CMAKE_ASM_FLAGS_RELEASE "" CACHE INTERNAL "asm release compiler flags")
12 changes: 12 additions & 0 deletions cmake/riscv32_gnu.cmake
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# Name of the target
set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_PROCESSOR risc-v32)

set(THREADX_ARCH "risc-v32")
set(THREADX_TOOLCHAIN "gnu")
set(ARCH_FLAGS "-g -march=rv32gc -mabi=ilp32d -mcmodel=medany")
set(CFLAGS "${ARCH_FLAGS}")
set(ASFLAGS "${ARCH_FLAGS}")
set(LDFLAGS "${ARCH_FLAGS}")

include(${CMAKE_CURRENT_LIST_DIR}/riscv32-unknown-elf.cmake)
19 changes: 19 additions & 0 deletions ports/risc-v32/gnu/CMakeLists.txt
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target_sources(${PROJECT_NAME}
PRIVATE
# {{BEGIN_TARGET_SOURCES}}
${CMAKE_CURRENT_LIST_DIR}/src/tx_initialize_low_level.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_context_restore.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_context_save.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_control.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_schedule.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_stack_build.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_system_return.S
${CMAKE_CURRENT_LIST_DIR}/src/tx_timer_interrupt.S
# {{END_TARGET_SOURCES}}
)

target_include_directories(${PROJECT_NAME}
PUBLIC
${CMAKE_CURRENT_LIST_DIR}/inc
)
77 changes: 77 additions & 0 deletions ports/risc-v32/gnu/example_build/xuantie_smartl_fpga/CMakeLists.txt
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cmake_minimum_required(VERSION 3.15 FATAL_ERROR)

project(demo_threadx
LANGUAGES C ASM
)

set(SRCS
${CMAKE_CURRENT_LIST_DIR}/demo_threadx.c
${CMAKE_CURRENT_LIST_DIR}/pre_main.c
${CMAKE_CURRENT_LIST_DIR}/boards/board_riscv_dummy/src/uart/board_uart.c
${CMAKE_CURRENT_LIST_DIR}/boards/board_riscv_dummy/src/board_init.c
${CMAKE_CURRENT_LIST_DIR}/components/csi/csi2/src/csi_misc.c
${CMAKE_CURRENT_LIST_DIR}/components/libc_threadx/mini_printf.c
${CMAKE_CURRENT_LIST_DIR}/components/libc_threadx/newlib_stub.c
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/src/arch/e906fdp/startup.S
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/src/arch/e906fdp/vectors.S
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/src/arch/e906fdp/system.c
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/src/arch/e906fdp/trap_c.c
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/src/drivers/dw_uart_ll.c
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/src/drivers/uart.c
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/src/sys/devices.c
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/src/sys/feature.c
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/src/sys/irq_port.c
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/src/sys/irq.c
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/src/sys/pre_main.c
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/src/sys/sys_clk.c
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/src/sys/target_get.c
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/src/sys/tick.c
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/src/sys/weak.c
)

include_directories(
${CMAKE_CURRENT_LIST_DIR}/../../../../../common/inc
${CMAKE_CURRENT_LIST_DIR}/../../inc
${CMAKE_CURRENT_LIST_DIR}
${CMAKE_CURRENT_LIST_DIR}/boards/board_riscv_dummy/include
${CMAKE_CURRENT_LIST_DIR}/components/csi/csi2/include
${CMAKE_CURRENT_LIST_DIR}/components/libc_threadx/include
${CMAKE_CURRENT_LIST_DIR}/components/libc_threadx/compilers/gcc
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/include
${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/include/asm
)

add_compile_options(
-Os -g -Wno-main
-Wpointer-arith -Wno-undef -ffunction-sections -fdata-sections -fno-inline-functions -fno-builtin -fno-strict-aliasing
-DCONFIG_SUPPORT_TSPEND=1
-DCONFIG_ARCH_MAINSTACK=4096
-DCONFIG_ARCH_INTERRUPTSTACK=4096
-DCONFIG_SUPPORT_IRQ_NESTED=1
-DCONFIG_INTC_CLIC=1
-DCONFIG_INTC_CLINT=1
-DCONFIG_XIP=1
-DCONFIG_LIBC_MINI_PRINTF_SUPPORT=1
-DCONFIG_SYSTICK_HZ=100
-DCONFIG_BOARD_SMARTL_EVB=1
-DCONFIG_CPU_XUANTIE_E906FDP=1
-DCONFIG_KERNEL_THREADX=1
-DTX_INCLUDE_USER_DEFINE_FILE
)

add_link_options(
-nostartfiles -Wl,--gc-sections
-T${CMAKE_CURRENT_LIST_DIR}/components/chip_riscv_dummy/gcc_flash_smartl.ld
-Wl,-zmax-page-size=1024
-Wl,-Map=${PROJECT_NAME}.map
)

link_directories(${CMAKE_CURRENT_LIST_DIR}/../../../../../build)
add_executable(${PROJECT_NAME} ${SRCS})
set_target_properties(${PROJECT_NAME} PROPERTIES OUTPUT_NAME "${PROJECT_NAME}.elf")
target_link_libraries(${PROJECT_NAME} PRIVATE threadx)

add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
COMMAND ${OBJDUMP} -d $<TARGET_FILE:${PROJECT_NAME}> > ${PROJECT_NAME}.asm
COMMENT "Generating ASM disassembly files"
)
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