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Cross build GCC/LLVM working but no boot
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@ckormanyos
ckormanyos committed Jun 23, 2024
1 parent a4e6e1e commit e671f0c
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Showing 17 changed files with 1,199 additions and 2 deletions.
2 changes: 2 additions & 0 deletions Code/Memory_Map.ld
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Expand Up @@ -15,6 +15,8 @@

******************************************************************************************/

INPUT(libc.a libm.a)

/******************************************************************************************
ELF Entrypoint
******************************************************************************************/
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13 changes: 11 additions & 2 deletions Makefile
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Expand Up @@ -122,9 +122,12 @@ CPPOPS = $(OPT) \
############################################################################################

ifeq ($(AS), $(TOOLCHAIN)-as)

ASOPS = -march=rv32imac \
-alh
-alh

else

ASOPS = $(OPT) \
$(ARCH) \
-ffast-math \
Expand All @@ -151,21 +154,25 @@ ASOPS = $(OPT) \
-fno-enforce-eh-specs \
-ftemplate-depth=128 \
-Wzero-as-null-pointer-constant

endif

############################################################################################
# Linker flags
############################################################################################

ifeq ($(LD), $(TOOLCHAIN)-ld)

LOPS = -nostartfiles \
-nostdlib \
-e _start \
--print-memory-usage \
--print-map \
-dT $(LD_SCRIPT) \
-Map=$(OUTPUT_DIR)/$(PRJ_NAME).map
-Map=$(OUTPUT_DIR)/$(PRJ_NAME).map

else

LOPS = -nostartfiles \
-e Startup_Init \
$(ARCH) \
Expand All @@ -176,6 +183,7 @@ else
-Wl,-Map=$(OUTPUT_DIR)/$(PRJ_NAME).map \
--specs=nano.specs \
--specs=nosys.specs

endif

############################################################################################
Expand All @@ -193,6 +201,7 @@ SRC_FILES := $(SRC_DIR)/Mcal/mtimer.c \
############################################################################################
# Include Paths
############################################################################################

INC_FILES := $(SRC_DIR) \
$(SRC_DIR)/Mcal

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232 changes: 232 additions & 0 deletions build/Makefile
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@@ -0,0 +1,232 @@
##############################################################################80
#
# Copyright Christopher Kormanyos 2023 - 2024.
# Distributed under The Unlicense.
#
##############################################################################80

##############################################################################80
#
# Makefile
#
# Build system for RED-V_SiFive_RISC-V_FE310_SoC based on standard GNU tools
#
# Using GNU Make 4.2.1 (see version information in build log)
#
# 23-June-2024
#
# See also a definitive list of GCC command line options
# (for numerous target systems) here:
# https://man7.org/linux/man-pages/man1/gcc.1.html
#
##############################################################################80

############################################################################################
# Defines
############################################################################################

HW_TARGET = RedV_FE310
PRJ_NAME = Blinky_$(HW_TARGET)
OUTPUT_DIR = $(CURDIR)/../bin
OBJ_DIR = $(CURDIR)/../tmp/obj
SRC_DIR = $(CURDIR)/../Code
LD_SCRIPT = $(SRC_DIR)/Memory_Map.ld

##############################################################################80
# tools
##############################################################################80

ifeq ($(TYP_CC),LLVM)
PATH_TOOLS_CC := $(CURDIR)/tools/Util/msys64/usr/local/llvm-17.0.2-riscv32/bin
endif

ifeq ($(TYP_CC),GCC)
PATH_TOOLS_CC := $(CURDIR)/tools/Util/msys64/usr/local/gcc-13.2.0-riscv32-unknown-elf/bin
endif

TOOL_PREFIX := $(CURDIR)/tools/UnxUtils/usr/local/wbin
TOOL_PREFIX := $(TOOL_PREFIX)/

GNUMAKE := $(CURDIR)/make$(EXEEXT)

EXEEXT := .exe

ifeq ($(TYP_CC),LLVM)
AS := $(PATH_TOOLS_CC)/clang++$(EXEEXT)
CC := $(PATH_TOOLS_CC)/clang++$(EXEEXT)
CP := $(PATH_TOOLS_CC)/clang++$(EXEEXT)
LD := $(PATH_TOOLS_CC)/clang++$(EXEEXT)
OBJDUMP := $(PATH_TOOLS_CC)/llvm-objdump$(EXEEXT)
OBJCOPY := $(PATH_TOOLS_CC)/llvm-objcopy$(EXEEXT)
READELF := $(PATH_TOOLS_CC)/llvm-readelf$(EXEEXT)
endif
ifeq ($(TYP_CC),GCC)
AS := $(PATH_TOOLS_CC)/riscv32-unknown-elf-g++$(EXEEXT)
CC := $(PATH_TOOLS_CC)/riscv32-unknown-elf-g++$(EXEEXT)
CP := $(PATH_TOOLS_CC)/riscv32-unknown-elf-g++$(EXEEXT)
LD := $(PATH_TOOLS_CC)/riscv32-unknown-elf-g++$(EXEEXT)
OBJDUMP := $(PATH_TOOLS_CC)/riscv32-unknown-elf-objdump$(EXEEXT)
OBJCOPY := $(PATH_TOOLS_CC)/riscv32-unknown-elf-objcopy$(EXEEXT)
READELF := $(PATH_TOOLS_CC)/riscv32-unknown-elf-readelf$(EXEEXT)
endif
ECHO := $(TOOL_PREFIX)echo$(EXEEXT)
MKDIR := $(TOOL_PREFIX)mkdir$(EXEEXT)
MV := $(TOOL_PREFIX)mv$(EXEEXT)
RM := $(TOOL_PREFIX)rm$(EXEEXT)


AS := $(subst /,\,$(AS))
CC := $(subst /,\,$(CC))
CP := $(subst /,\,$(CP))
LD := $(subst /,\,$(LD))
OBJDUMP := $(subst /,\,$(OBJDUMP))
OBJCOPY := $(subst /,\,$(OBJCOPY))
READELF := $(subst /,\,$(READELF))
ECHO := $(subst /,\,$(ECHO))
MKDIR := $(subst /,\,$(MKDIR))
MV := $(subst /,\,$(MV))
RM := $(subst /,\,$(RM))

##############################################################################80
# OS-independent abstratcion of the null-device
##############################################################################80

NULL_DEVICE := NUL
$(NULL_DEVICE) := NUL

##############################################################################80
# flags
##############################################################################80

OPT := -O2 \
-fno-reorder-blocks-and-partition \
-fno-reorder-functions

OPT := -O0

ARCH := -mcpu=sifive-e31 \
-mabi=ilp32 \
-march=rv32imac \

ifeq ($(TYP_CC),GCC)
ARCH += -msmall-data-limit=0
ARCH += -falign-functions=4
endif

ASOPS := $(OPT) \
$(ARCH) \


ifeq ($(TYP_CC),GCC)
ASOPS += -Wa,-adhln=$(OBJ_DIR)/$(basename $(@F)).lst
endif


COPS := $(OPT) \
$(ARCH) \
-ffast-math \
-falign-functions=4 \
-g3 \
-Wconversion \
-Wsign-conversion \
-Wunused-parameter \
-Wuninitialized \
-Wmissing-declarations \
-Wshadow \
-Wunreachable-code \
-Wmissing-include-dirs \
-std=c11 \
-Wall \
-Wextra \
-fomit-frame-pointer \
-gdwarf-2 \
-fno-exceptions


LOPS := -e Startup_Init \
$(ARCH) \
-ffast-math \
-falign-functions=4 \
-Wl,--print-memory-usage \
-Wl,--print-map \
-Wl,-T$(LD_SCRIPT) \
-Wl,-Map=$(OUTPUT_DIR)/$(PRJ_NAME).map

ifeq ($(TYP_CC),GCC)
LOPS += -nostdlib
LOPS += -nostartfiles
endif

############################################################################################
# Source Files
############################################################################################

SRC_FILES := $(SRC_DIR)/Mcal/mtimer.c \
$(SRC_DIR)/Mcal/Clock.c \
$(SRC_DIR)/Mcal/Mcu.c \
$(SRC_DIR)/Startup/boot.s \
$(SRC_DIR)/Startup/intvect.c \
$(SRC_DIR)/Startup/Startup.c \
$(SRC_DIR)/main.c

############################################################################################
# Include Paths
############################################################################################

INC_FILES := $(SRC_DIR) \
$(SRC_DIR)/Mcal

############################################################################################
# Rules
############################################################################################

VPATH := $(subst \,/,$(sort $(dir $(SRC_FILES)) $(OBJ_DIR)))

FILES_O := $(addprefix $(OBJ_DIR)/, $(notdir $(addsuffix .o, $(basename $(SRC_FILES)))))


ifeq ($(MAKECMDGOALS),build)
-include $(subst .o,.d,$(FILES_O))
endif


all : clean version $(OUTPUT_DIR)/$(PRJ_NAME).elf


.PHONY : version
version :
@-$(ECHO) print compiler version
@-$(ECHO)
@-$(CC) -v


.PHONY : clean
clean :
@-$(ECHO) clean and create directories
@-$(ECHO)
@-$(RM) -rf $(OBJ_DIR) *.o 2>$(NULL_DEVICE)
@-$(RM) -rf $(OBJ_DIR) *.d 2>$(NULL_DEVICE)
@-$(RM) -rf $(OUTPUT_DIR) *.hex 2>$(NULL_DEVICE)
@-$(RM) -rf $(OUTPUT_DIR) *.elf 2>$(NULL_DEVICE)
@-$(RM) -rf $(OUTPUT_DIR) *.list 2>$(NULL_DEVICE)
@-$(RM) -rf $(OUTPUT_DIR) *.map 2>$(NULL_DEVICE)
@-$(RM) -rf $(OUTPUT_DIR) *.txt 2>$(NULL_DEVICE)
@-$(MKDIR) -p $(subst \,/,$(OBJ_DIR))
@-$(MKDIR) -p $(subst \,/,$(OUTPUT_DIR))


$(OBJ_DIR)/%.o : %.c
@-echo +++ compile: $(subst \,/,$<) to $(subst \,/,$@)
@-$(CC) -x c $(COPS) $(addprefix -I, $(INC_FILES)) -c $< -o $(OBJ_DIR)/$(basename $(@F)).o


$(OBJ_DIR)/%.o : %.s
@-echo +++ compile: $(subst \,/,$<) to $(subst \,/,$@)
@-$(CC) -x assembler $(ASOPS) $(addprefix -I, $(INC_FILES)) -c $< -o $(OBJ_DIR)/$(basename $(@F)).o


$(OUTPUT_DIR)/$(PRJ_NAME).elf : $(FILES_O) $(LD_SCRIPT)
@$(LD) -x none $(LOPS) $(FILES_O) -o $(OUTPUT_DIR)/$(PRJ_NAME).elf
@$(OBJDUMP) -D --wide $(OUTPUT_DIR)/$(PRJ_NAME).elf > $(OUTPUT_DIR)/$(PRJ_NAME).list.all
@$(OBJCOPY) $(OUTPUT_DIR)/$(PRJ_NAME).elf -O ihex $(OUTPUT_DIR)/$(PRJ_NAME).hex
@$(READELF) --wide -S -s $(OUTPUT_DIR)/$(PRJ_NAME).elf > $(OUTPUT_DIR)/$(PRJ_NAME).readelf
25 changes: 25 additions & 0 deletions build/RED-V_SiFive_RISC-V_FE310_SoC.sln
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@@ -0,0 +1,25 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.10.35004.147
MinimumVisualStudioVersion = 10.0.40219.1
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "RED-V_SiFive_RISC-V_FE310_SoC", "RED-V_SiFive_RISC-V_FE310_SoC.vcxproj", "{097CF2E1-2689-43E4-A112-A4FE44B8679A}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Blinky_RedV_FE310 GCC|x64 = Blinky_RedV_FE310 GCC|x64
Blinky_RedV_FE310 LLVM|x64 = Blinky_RedV_FE310 LLVM|x64
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{097CF2E1-2689-43E4-A112-A4FE44B8679A}.Blinky_RedV_FE310 GCC|x64.ActiveCfg = Blinky_RedV_FE310 GCC|x64
{097CF2E1-2689-43E4-A112-A4FE44B8679A}.Blinky_RedV_FE310 GCC|x64.Build.0 = Blinky_RedV_FE310 GCC|x64
{097CF2E1-2689-43E4-A112-A4FE44B8679A}.Blinky_RedV_FE310 LLVM|x64.ActiveCfg = Blinky_RedV_FE310 LLVM|x64
{097CF2E1-2689-43E4-A112-A4FE44B8679A}.Blinky_RedV_FE310 LLVM|x64.Build.0 = Blinky_RedV_FE310 LLVM|x64
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {09FE8ABC-CC3E-46F9-BEA1-0F9AD302894E}
EndGlobalSection
EndGlobal
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