[edk2-devel] 回复: [PATCH 3/4] BaseTools/tools_def: Add CLANGDWARF support for RISC-V
gaoliming via groups.io
gaoliming=byosoft.com.cn at groups.io
Mon Jul 10 01:52:18 UTC 2023
Sunil:
I add my comments below.
> -----邮件原件-----
> 发件人: Sunil V L <sunilvl at ventanamicro.com>
> 发送时间: 2023年7月3日 16:09
> 收件人: devel at edk2.groups.io
> 抄送: Sunil V L <sunilvl at ventanamicro.com>; Rebecca Cran
> <rebecca at bsdio.com>; Liming Gao <gaoliming at byosoft.com.cn>; Bob Feng
> <bob.c.feng at intel.com>; Yuwei Chen <yuwei.chen at intel.com>; Ard
> Biesheuvel <ardb+tianocore at kernel.org>
> 主题: [PATCH 3/4] BaseTools/tools_def: Add CLANGDWARF support for
> RISC-V
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4478
>
> Add tools_def definitions to support CLANGDWARF toolchain
> for RISC-V. This uses clang and the llvm LLD linker. This
> helps people by not requiring to install multiple
> cross compilers for different architectures.
>
> Cc: Rebecca Cran <rebecca at bsdio.com>
> Cc: Liming Gao <gaoliming at byosoft.com.cn>
> Cc: Bob Feng <bob.c.feng at intel.com>
> Cc: Yuwei Chen <yuwei.chen at intel.com>
> Cc: Ard Biesheuvel <ardb+tianocore at kernel.org>
>
> Signed-off-by: Sunil V L <sunilvl at ventanamicro.com>
> ---
> BaseTools/Conf/tools_def.template | 52
> +++++++++++++++++++++++++++++++
> 1 file changed, 52 insertions(+)
>
> diff --git a/BaseTools/Conf/tools_def.template
> b/BaseTools/Conf/tools_def.template
> index 90f4105506e5..47d8c379d9f2 100755
> --- a/BaseTools/Conf/tools_def.template
> +++ b/BaseTools/Conf/tools_def.template
> @@ -745,6 +745,7 @@ DEFINE GCC_LOONGARCH64_CC_FLAGS =
> DEF(GCC_ALL_CC_FLAGS) -mabi=lp64d -fno-asyn
> DEFINE GCC_ARM_CC_XIPFLAGS = -mno-unaligned-access
> DEFINE GCC_AARCH64_CC_FLAGS = DEF(GCC_ALL_CC_FLAGS)
> -mlittle-endian -fno-short-enums -fverbose-asm -funsigned-char
> -ffunction-sections -fdata-sections -Wno-address
> -fno-asynchronous-unwind-tables -fno-unwind-tables -fno-pic -fno-pie
> -ffixed-x18
> DEFINE GCC_AARCH64_CC_XIPFLAGS = -mstrict-align
> -mgeneral-regs-only
> +DEFINE GCC_RISCV64_CC_XIPFLAGS = -mstrict-align
> -mgeneral-regs-only
> DEFINE GCC_DLINK_FLAGS_COMMON = -nostdlib --pie
> DEFINE GCC_DLINK2_FLAGS_COMMON =
> -Wl,--script=$(EDK_TOOLS_PATH)/Scripts/GccBase.lds
> DEFINE GCC_IA32_X64_DLINK_COMMON =
> DEF(GCC_DLINK_FLAGS_COMMON) --gc-sections
> @@ -2023,6 +2024,57 @@ DEFINE CLANGDWARF_AARCH64_DLINK_FLAGS
> = DEF(CLANGDWARF_AARCH64_TARGET) DEF(GCC_
> RELEASE_CLANGDWARF_AARCH64_CC_FLAGS =
> DEF(CLANGDWARF_AARCH64_CC_FLAGS) $(PLATFORM_FLAGS) -flto -O3
> RELEASE_CLANGDWARF_AARCH64_DLINK_FLAGS =
> DEF(CLANGDWARF_AARCH64_DLINK_FLAGS) -flto -Wl,-O3 -fuse-ld=lld
> -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-aarch64
> -Wl,-plugin-opt=-pass-through=-llto-aarch64 -Wl,--no-pie,--no-relax
>
> +##################
> +# CLANGDWARF RISCV64 definitions
> +##################
> +DEFINE CLANGDWARF_RISCV64_TARGET = -target riscv64-linux-gnu
> +DEFINE CLANGDWARF_RISCV64_CC_FLAGS =
> DEF(GCC5_RISCV64_CC_FLAGS) DEF(CLANGDWARF_RISCV64_TARGET)
> DEF(CLANGDWARF_WARNING_OVERRIDES)
> +
> +# This is similar to GCC flags but without -n
> +DEFINE CLANGDWARF_RISCV64_ALL_DLINK_COMMON = -nostdlib
> -Wl,-q,--gc-sections -z common-page-size=0x40
> +DEFINE CLANGDWARF_RISCV64_ALL_DLINK_FLAGS =
> DEF(CLANGDWARF_RISCV64_ALL_DLINK_COMMON)
> -Wl,--entry,$(IMAGE_ENTRY_POINT) -u $(IMAGE_ENTRY_POINT)
> -Wl,-Map,$(DEST_DIR_DEBUG)/$(BASE_NAME).map
> +DEFINE CLANGDWARF_RISCV64_DLINK_FLAGS =
> DEF(CLANGDWARF_RISCV64_TARGET)
> DEF(CLANGDWARF_RISCV64_ALL_DLINK_FLAGS)
> -Wl,-melf64lriscv,--oformat=elf64-littleriscv,--no-relax
> +
> +*_CLANGDWARF_RISCV64_PP_FLAGS = DEF(GCC_PP_FLAGS)
> +*_CLANGDWARF_RISCV64_ASLCC_FLAGS = DEF(GCC_ASLCC_FLAGS)
> +*_CLANGDWARF_RISCV64_APP_FLAGS =
> +*_CLANGDWARF_RISCV64_ASL_FLAGS = DEF(IASL_FLAGS)
> +*_CLANGDWARF_RISCV64_ASL_OUTFLAGS = DEF(IASL_OUTFLAGS)
> +*_CLANGDWARF_RISCV64_DTCPP_FLAGS = DEF(GCC_DTCPP_FLAGS)
> +*_CLANGDWARF_RISCV64_DEPS_FLAGS = DEF(GCC_DEPS_FLAGS)
> +
> +*_CLANGDWARF_RISCV64_CC_PATH =
> ENV(CLANGDWARF_BIN)clang
> +*_CLANGDWARF_RISCV64_ASM_PATH =
> ENV(CLANGDWARF_BIN)clang
> +*_CLANGDWARF_RISCV64_PP_PATH =
> ENV(CLANGDWARF_BIN)clang
> +*_CLANGDWARF_RISCV64_VFRPP_PATH =
> ENV(CLANGDWARF_BIN)clang
> +*_CLANGDWARF_RISCV64_ASLCC_PATH =
> ENV(CLANGDWARF_BIN)clang
> +*_CLANGDWARF_RISCV64_ASLPP_PATH =
> ENV(CLANGDWARF_BIN)clang
> +*_CLANGDWARF_RISCV64_DLINK_PATH =
> ENV(CLANGDWARF_BIN)clang
> +*_CLANGDWARF_RISCV64_ASLDLINK_PATH =
> ENV(CLANGDWARF_BIN)clang
> +
> +*_CLANGDWARF_RISCV64_SLINK_PATH =
> ENV(CLANGDWARF_BIN)llvm-ar
> +*_CLANGDWARF_RISCV64_RC_PATH =
> ENV(CLANGDWARF_BIN)llvm-objcopy
> +
> +*_CLANGDWARF_RISCV64_ASLCC_FLAGS = DEF(GCC_ASLCC_FLAGS)
> -flto
Here should be -fno-lto. This option should be same for the different ARCHs.
> +*_CLANGDWARF_RISCV64_ASLDLINK_FLAGS =
> DEF(CLANGDWARF_RISCV64_TARGET)
> DEF(GCC5_RISCV32_RISCV64_ASLDLINK_FLAGS)
> +*_CLANGDWARF_RISCV64_ASM_FLAGS = DEF(GCC_ASM_FLAGS)
> DEF(CLANGDWARF_RISCV64_TARGET) $(PLATFORM_FLAGS)
> -Qunused-arguments -mabi=lp64 -mno-relax -flto
Here should be no -flto. Please confirm.
Thanks
Liming
> +*_CLANGDWARF_RISCV64_DLINK_FLAGS =
> DEF(CLANGDWARF_RISCV64_TARGET) DEF(GCC5_RISCV64_DLINK_FLAGS)
> +*_CLANGDWARF_RISCV64_DLINK_XIPFLAGS = -z common-page-size=0x20
> +*_CLANGDWARF_RISCV64_DLINK2_FLAGS =
> DEF(GCC_DLINK2_FLAGS_COMMON)
> -Wl,--defsym=PECOFF_HEADER_SIZE=0x240
> +*_CLANGDWARF_RISCV64_PLATFORM_FLAGS =
> +*_CLANGDWARF_RISCV64_PP_FLAGS = DEF(GCC_PP_FLAGS)
> DEF(CLANGDWARF_RISCV64_TARGET) $(PLATFORM_FLAGS)
> +*_CLANGDWARF_RISCV64_RC_FLAGS =
> DEF(GCC_RISCV64_RC_FLAGS)
> +*_CLANGDWARF_RISCV64_VFRPP_FLAGS = DEF(GCC_VFRPP_FLAGS)
> DEF(CLANGDWARF_RISCV64_TARGET) $(PLATFORM_FLAGS)
> +*_CLANGDWARF_RISCV64_ASLPP_FLAGS = DEF(GCC_ASLPP_FLAGS)
> DEF(CLANGDWARF_RISCV64_TARGET)
> +*_CLANGDWARF_RISCV64_CC_XIPFLAGS =
> DEF(GCC_RISCV64_CC_XIPFLAGS)
> +
> + DEBUG_CLANGDWARF_RISCV64_CC_FLAGS =
> DEF(CLANGDWARF_RISCV64_CC_FLAGS) $(PLATFORM_FLAGS) -flto -O1
> + DEBUG_CLANGDWARF_RISCV64_DLINK_FLAGS =
> DEF(CLANGDWARF_RISCV64_DLINK_FLAGS) -flto -Wl,-O1 -fuse-ld=lld
> -Wl,--no-pie,--no-relax
> + NOOPT_CLANGDWARF_RISCV64_CC_FLAGS =
> DEF(CLANGDWARF_RISCV64_CC_FLAGS) $(PLATFORM_FLAGS) -O0
> + NOOPT_CLANGDWARF_RISCV64_DLINK_FLAGS =
> DEF(CLANGDWARF_RISCV64_DLINK_FLAGS) -fuse-ld=lld
> -Wl,--no-pie,--no-relax
> +RELEASE_CLANGDWARF_RISCV64_CC_FLAGS =
> DEF(CLANGDWARF_RISCV64_CC_FLAGS) $(PLATFORM_FLAGS) -flto -O3
> +RELEASE_CLANGDWARF_RISCV64_DLINK_FLAGS =
> DEF(CLANGDWARF_RISCV64_DLINK_FLAGS) -flto -Wl,-O3 -fuse-ld=lld
> -Wl,--no-pie,--no-relax
> +
> #
> #
> # XCODE5 support
> --
> 2.34.1
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