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riscv : add riscv qemu virt support and fix fs bit error in mstatus

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This commit is contained in:
Jer6y
2024-10-25 20:03:11 +08:00
parent 485a02faec
commit d24da0e2ea
20 changed files with 1463 additions and 0 deletions
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29
cmake/riscv64-unknown-elf.cmake Normal file
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# Toolchain settings
set(CMAKE_C_COMPILER riscv64-unknown-elf-gcc)
set(CMAKE_CXX_COMPILER riscv64-unknown-elf-g++)
set(AS riscv64-unknown-elf-as)
set(AR riscv64-unknown-elf-ar)
set(OBJCOPY riscv64-unknown-elf-objcopy)
set(OBJDUMP riscv64-unknown-elf-objdump)
set(SIZE riscv64-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 "${ASFLAGS} -D__ASSEMBLER__" CACHE INTERNAL "asm compiler flags")
set(CMAKE_EXE_LINKER_FLAGS "${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
cmake/riscv64_gnu.cmake Normal file
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# Name of the target
set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_PROCESSOR risc-v64)
set(THREADX_ARCH "risc-v64")
set(THREADX_TOOLCHAIN "gnu")
set(ARCH_FLAGS "-g -march=rv64gc -mabi=lp64d -mcmodel=medany")
set(CFLAGS "${ARCH_FLAGS}")
set(ASFLAGS "${ARCH_FLAGS}")
set(LDFLAGS "${ARCH_FLAGS}")
include(${CMAKE_CURRENT_LIST_DIR}/riscv64-unknown-elf.cmake)