调整脚本,使得能够创建riscv的磁盘镜像,并引导进入riscv下的grub (#450)

* 安装musl toolchain以及riscv相关的工具链

* 调整脚本,使得能够创建riscv的磁盘镜像,并引导进入riscv下的grub

```shell
export ARCH=riscv64
make write_diskimage
make qemu
```

即可在serial_opt.txt看到进入grub的提示信息

Makefile

@@ -18,11 +18,16 @@ ifeq ($(OS),Darwin) # Assume Mac OS X
   NPROCS:=$(shell system_profiler | awk '/Number Of CPUs/{print $4}{next;}')
 endif
 
-export ARCH=__x86_64__
+# if arch not defined, set it to x86_64
+export ARCH?=x86_64
+
+CFLAGS_DEFINE_ARCH="__$(ARCH)__"
+
+
 export ROOT_PATH=$(shell pwd)
 
 export DEBUG=DEBUG
-export GLOBAL_CFLAGS := -mcmodel=large -fno-builtin -m64  -fno-stack-protector -D $(ARCH) -D $(EMULATOR) -O1
+export GLOBAL_CFLAGS := -mcmodel=large -fno-builtin -m64  -fno-stack-protector -D $(CFLAGS_DEFINE_ARCH) -D $(EMULATOR) -O1
 
 ifeq ($(DEBUG), DEBUG)
 GLOBAL_CFLAGS += -g 
@@ -92,11 +97,12 @@ gdb:
 
 # 写入磁盘镜像
 write_diskimage:
-	bash -c "cd tools && bash grub_auto_install.sh && sudo bash $(ROOT_PATH)/tools/write_disk_image.sh --bios=legacy && cd .."
+	@echo "write_diskimage arch=$(ARCH)"
+	bash -c "export ARCH=$(ARCH); cd tools && bash grub_auto_install.sh && sudo ARCH=$(ARCH) bash $(ROOT_PATH)/tools/write_disk_image.sh --bios=legacy && cd .."
 
 # 写入磁盘镜像(uefi)
 write_diskimage-uefi:
-	bash -c "cd tools && bash grub_auto_install.sh && sudo bash $(ROOT_PATH)/tools/write_disk_image.sh --bios=uefi && cd .."
+	bash -c "export ARCH=$(ARCH); cd tools && bash grub_auto_install.sh && sudo ARCH=$(ARCH)bash $(ROOT_PATH)/tools/write_disk_image.sh --bios=uefi && cd .."
 # 不编译，直接启动QEMU
 qemu:
 	sh -c "cd tools && bash run-qemu.sh --bios=legacy --display=window && cd .."

tools/arch/riscv64/.gitignore

@@ -0,0 +1 @@
+/u-boot*

tools/create_hdd_image.sh

@@ -1,19 +1,26 @@
 ########################################################################
 # 这是一个用于创建磁盘镜像的脚本
 # 用法：./create_hdd_image.sh -P MBR/GPT
-# 要创建一个MBR分区表的磁盘镜像，请这样运行它： bash create_hdd_image.sh -P MBR
-# 要创建一个GPT分区表的磁盘镜像，请这样运行它： bash create_hdd_image.sh -P GPT
+# 要创建一个MBR分区表的磁盘镜像，请这样运行它： ARCH=x86_64 bash create_hdd_image.sh -P MBR
+# 要创建一个GPT分区表的磁盘镜像，请这样运行它： ARCH=x86_64 bash create_hdd_image.sh -P GPT
 # 请注意，这个脚本需要root权限
 # 请注意，运行这个脚本之前，需要在您的计算机上安装qemu-img和fdisk，以及parted
 # 
-# 这个脚本会在当前目录下创建一个名为disk.img的文件，这个文件就是磁盘镜像，
+# 这个脚本会在当前目录下创建一个名为disk-${ARCH}.img的文件，这个文件就是磁盘镜像，
 #       在完成后，会将这个文件移动到bin目录下
 ########################################################################
 
+echo "create_hdd_image.sh: Creating virtual disk image... arch=${ARCH}"
+
+# 给变量赋默认值
+export ARCH=${ARCH:=x86_64}
+
+DISK_NAME=disk-${ARCH}.img
+
 format_as_mbr() {
     echo "Formatting as MBR..."
    # 使用fdisk把disk.img的分区表设置为MBR格式(下方的空行请勿删除)
-fdisk disk.img << EOF
+fdisk ${DISK_NAME} << EOF
 o
 n
 
@@ -28,7 +35,7 @@ EOF
 
 format_as_gpt() {
     echo "Formatting as GPT..."
-sudo parted disk.img  << EOF
+sudo parted ${DISK_NAME}  << EOF
 mklabel gpt
 y
 mkpart
@@ -49,7 +56,7 @@ EOF
 echo "Creating virtual disk image..."
 ARGS=`getopt -o P: -- "$@"`
 # 创建一至少为256MB磁盘镜像（类型选择raw）
-qemu-img create -f raw disk.img 2048M
+qemu-img create -f raw ${DISK_NAME} 2048M
 #将规范化后的命令行参数分配至位置参数（$1,$2,...)
 eval set -- "${ARGS}"
 #echo formatted parameters=[$@]
@@ -77,7 +84,8 @@ case "$1" in
         ;;
 esac
 
-LOOP_DEVICE=$(sudo losetup -f --show -P disk.img) \
+
+LOOP_DEVICE=$(sudo losetup -f --show -P ${DISK_NAME}) \
     || exit 1
 echo ${LOOP_DEVICE}p1
 sudo mkfs.vfat -F 32 ${LOOP_DEVICE}p1
@@ -85,5 +93,5 @@ sudo losetup -d ${LOOP_DEVICE}
 
 echo "Successfully created disk image."
 mkdir -p ../bin
-chmod 777 disk.img
-mv ./disk.img ../bin/
+chmod 777 ${DISK_NAME}
+mv ./${DISK_NAME} ../bin/

tools/mount_virt_disk.sh

@@ -5,7 +5,19 @@ if [ ! $uid == "0" ];then
  exit
 fi
 
-LOOP_DEVICE=$(losetup -f --show -P ../bin/disk.img) \
+# 检查是否设置ARCH环境变量
+
+if [ ! ${ARCH} ];then
+ echo "请设置ARCH环境变量"
+ exit
+fi
+
+
+DISK_NAME=disk-${ARCH}.img
+
+echo "Mounting virtual disk image '${DISK_NAME}'..."
+
+LOOP_DEVICE=$(losetup -f --show -P ../bin/${DISK_NAME}) \
     || exit 1
 
 echo ${LOOP_DEVICE}p1

tools/run-qemu.sh

@@ -35,7 +35,9 @@ eval set -- "${ARGS}"
 echo "$@"
 allflags= 
 # allflags=$(qemu-system-x86_64 -cpu help | awk '/flags/ {y=1; getline}; y {print}' | tr ' ' '\n' | grep -Ev "^$" | sed -r 's|^|+|' | tr '\n' ',' | sed -r "s|,$||")
-ARCH="x86_64"
+# 设置ARCH环境变量，如果没有设置，就默认为x86_64
+export ARCH=${ARCH:=x86_64}
+echo "ARCH=${ARCH}"
 #ARCH="i386"
 # 请根据自己的需要，在-d 后方加入所需的 trace 事件
 
@@ -43,13 +45,24 @@ ARCH="x86_64"
 qemu_trace_std=cpu_reset,guest_errors,trace:virtio*,trace:e1000e_rx*,trace:e1000e_tx*,trace:e1000e_irq*
 # 调试usb的trace
 qemu_trace_usb=trace:usb_xhci_reset,trace:usb_xhci_run,trace:usb_xhci_stop,trace:usb_xhci_irq_msi,trace:usb_xhci_irq_msix,trace:usb_xhci_port_reset,trace:msix_write_config,trace:usb_xhci_irq_msix,trace:usb_xhci_irq_msix_use,trace:usb_xhci_irq_msix_unuse,trace:usb_xhci_irq_msi,trace:usb_xhci_*
-qemu_accel="kvm"
-if [ $(uname) == Darwin ]; then
-    qemu_accel=hvf  
+
+# 根据架构设置qemu的加速方式
+if [ ${ARCH} == "i386" ] || [ ${ARCH} == "x86_64" ]; then
+    qemu_accel="kvm"
+    if [ $(uname) == Darwin ]; then
+        qemu_accel=hvf  
+    fi
 fi
 
-QEMU=qemu-system-x86_64
-QEMU_DISK_IMAGE="../bin/disk.img"
+# uboot版本
+UBOOT_VERSION="v2023.10"
+RISCV64_UBOOT_PATH="arch/riscv64/u-boot-${UBOOT_VERSION}-riscv64"
+
+
+DISK_NAME="disk-${ARCH}.img"
+
+QEMU=qemu-system-${ARCH}
+QEMU_DISK_IMAGE="../bin/${DISK_NAME}"
 QEMU_MEMORY="512M"
 QEMU_MEMORY_BACKEND="dragonos-qemu-shm.ram"
 QEMU_MEMORY_BACKEND_PATH_PREFIX="/dev/shm"
@@ -57,9 +70,9 @@ QEMU_SHM_OBJECT="-object memory-backend-file,size=${QEMU_MEMORY},id=${QEMU_MEMOR
 QEMU_SMP="2,cores=2,threads=1,sockets=1"
 QEMU_MONITOR="stdio"
 QEMU_TRACE="${qemu_trace_std}"
-QEMU_CPU_FEATURES="IvyBridge,apic,x2apic,+fpu,check,+vmx,${allflags}"
-QEMU_RTC_CLOCK="clock=host,base=localtime"
-QEMU_SERIAL="file:../serial_opt.txt"
+QEMU_CPU_FEATURES=""
+QEMU_RTC_CLOCK=""
+QEMU_SERIAL="-serial file:../serial_opt.txt"
 QEMU_DRIVE="id=disk,file=${QEMU_DISK_IMAGE},if=none"
 QEMU_ACCELARATE=""
 
@@ -68,7 +81,15 @@ if [ -n "${qemu_accel}" ]; then
     QEMU_ACCELARATE="-machine accel=${qemu_accel} -enable-kvm "
 fi
 
-QEMU_MACHINE=" -machine q35,memory-backend=${QEMU_MEMORY_BACKEND} "
+if [ ${ARCH} == "i386" ] || [ ${ARCH} == "x86_64" ]; then
+    QEMU_MACHINE=" -machine q35,memory-backend=${QEMU_MEMORY_BACKEND} "
+    QEMU_CPU_FEATURES+="-cpu IvyBridge,apic,x2apic,+fpu,check,+vmx,${allflags}"
+    QEMU_RTC_CLOCK+=" -rtc clock=host,base=localtime"
+else
+    QEMU_MACHINE=" -machine virt,memory-backend=${QEMU_MEMORY_BACKEND} "
+
+fi
+
 
 # ps: 下面这条使用tap的方式，无法dhcp获取到ip，暂时不知道为什么
 # QEMU_DEVICES="-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0 -net nic,netdev=nic0 -netdev tap,id=nic0,model=virtio-net-pci,script=qemu/ifup-nat,downscript=qemu/ifdown-nat -usb -device qemu-xhci,id=xhci,p2=8,p3=4 "
@@ -77,10 +98,33 @@ QEMU_DEVICES="-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0 -netdev
 # QEMU_DEVICES="-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0 -netdev user,id=hostnet0,hostfwd=tcp::12580-:12580 -net nic,model=e1000e,netdev=hostnet0,id=net0 -netdev user,id=hostnet1,hostfwd=tcp::12581-:12581 -device virtio-net-pci,vectors=5,netdev=hostnet1,id=net1 -usb -device qemu-xhci,id=xhci,p2=8,p3=4 " 
 QEMU_ARGUMENT="-d ${QEMU_DISK_IMAGE} -m ${QEMU_MEMORY} -smp ${QEMU_SMP} -boot order=d -monitor ${QEMU_MONITOR} -d ${qemu_trace_std} "
 
-QEMU_ARGUMENT+="-s ${QEMU_MACHINE} -cpu ${QEMU_CPU_FEATURES} -rtc ${QEMU_RTC_CLOCK} -serial ${QEMU_SERIAL} -drive ${QEMU_DRIVE} ${QEMU_DEVICES}"
+QEMU_ARGUMENT+="-s ${QEMU_MACHINE} ${QEMU_CPU_FEATURES} ${QEMU_RTC_CLOCK} ${QEMU_SERIAL} -drive ${QEMU_DRIVE} ${QEMU_DEVICES} --nographic"
 QEMU_ARGUMENT+=" ${QEMU_SHM_OBJECT} "
 QEMU_ARGUMENT+=" ${QEMU_ACCELARATE} "
 
+# 安装riscv64的uboot
+install_riscv_uboot()
+{
+
+    if [ ! -d ${RISCV64_UBOOT_PATH} ]; then
+        echo "正在下载u-boot..."
+        uboot_tar_name="u-boot-${UBOOT_VERSION}-riscv64.tar.xz"
+        
+        uboot_parent_path=$(dirname ${RISCV64_UBOOT_PATH}) || (echo "获取riscv u-boot 版本 ${UBOOT_VERSION} 的父目录失败" && exit 1)
+
+        if [ ! -f ${uboot_tar_name} ]; then
+            wget https://mirrors.dragonos.org.cn/pub/third_party/u-boot/${uboot_tar_name} || echo "下载riscv u-boot 版本 ${UBOOT_VERSION} 失败" && exit 1
+        fi
+        echo "下载完成"
+        echo "正在解压u-boot到 '$uboot_parent_path'..."
+        mkdir -p $uboot_parent_path
+        tar xvf u-boot-${UBOOT_VERSION}-riscv64.tar.xz -C ${uboot_parent_path} || (echo "解压riscv u-boot 版本 ${UBOOT_VERSION} 失败" && exit 1)
+        echo "解压完成"
+        rm -rf u-boot-${UBOOT_VERSION}-riscv64.tar.xz
+    fi
+    echo "riscv u-boot 版本 ${UBOOT_VERSION} 已经安装"
+} 
+
 
 if [ $flag_can_run -eq 1 ]; then
   while true;do
@@ -114,10 +158,25 @@ if [ ${BIOS_TYPE} == uefi ] ;then
     sudo ${QEMU} -bios arch/x86_64/efi/OVMF-pure-efi.fd ${QEMU_ARGUMENT}
   elif [ ${ARCH} == i386 ] ;then
     sudo ${QEMU} -bios arch/i386/efi/OVMF-pure-efi.fd ${QEMU_ARGUMENT}
+  elif [ ${ARCH} == riscv64 ] ;then
+    install_riscv_uboot
+    sudo ${QEMU} -kernel ${RISCV64_UBOOT_PATH}/u-boot.bin ${QEMU_ARGUMENT}
+  else
+    echo "不支持的架构: ${ARCH}"
   fi
 else
-  sudo ${QEMU} ${QEMU_ARGUMENT}
+  # 如果是i386架构或者x86_64架构，就直接启动
+  if [ ${ARCH} == x86_64 ] || [ ${ARCH} == i386 ] ;then
+    sudo ${QEMU} ${QEMU_ARGUMENT}
+  elif [ ${ARCH} == riscv64 ] ;then
+    # 如果是riscv64架构，就与efi启动一样
+    install_riscv_uboot
+    sudo ${QEMU} -kernel ${RISCV64_UBOOT_PATH}/u-boot.bin ${QEMU_ARGUMENT}
+  else
+    echo "不支持的架构: ${ARCH}"
+  fi
 fi
+
 # 删除共享内存
 sudo rm -rf ${QEMU_MEMORY_BACKEND_PATH_PREFIX}/${QEMU_MEMORY_BACKEND}
 else

tools/umount_virt_disk.sh

@@ -5,6 +5,13 @@ if [ ! $uid == "0" ];then
  exit
 fi
 
+if [ ! ${ARCH} ];then
+ echo "请设置ARCH环境变量"
+ exit
+fi
+
+DISK_NAME=disk-${ARCH}.img
+
 LOOP_DEVICE=$(lsblk | grep disk_mount|sed 's/.*\(loop[0-9]*\)p1.*/\1/1g'|awk 'END{print $0}')
 
 umount -f ../bin/disk_mount/

tools/write_disk_image.sh

@@ -1,15 +1,19 @@
 ###############################################
-# 该脚本用于将disk_mount目录下的文件写入到disk.img的第一个分区中，
+# 该脚本用于将disk_mount目录下的文件写入到disk-${ARCH}.img的第一个分区中，
 #       并在磁盘镜像中安装grub引导程序
 #
 # 用法：bash write_disk_image.sh --bios legacy/uefi
-# 如果之前创建的disk.img是MBR分区表，那么请这样运行它：bash write_disk_image.sh --bios legacy
-# 如果之前创建的disk.img是GPT分区表，那么请这样运行它：bash write_disk_image.sh --bios uefi
-# 通过设置ARCH为x86_64或i386，进行64/32位uefi的install，但是请记住该处的ARCH应与run-qemu.sh中的一致
+# 如果之前创建的 disk-${ARCH}.img 是MBR分区表，那么请这样运行它：bash write_disk_image.sh --bios legacy
+# 如果之前创建的 disk-${ARCH}.img 是GPT分区表，那么请这样运行它：bash write_disk_image.sh --bios uefi
+# 通过设置ARCH为x86_64/i386/riscv64，进行64/32位uefi的install，但是请记住该处的ARCH应与run-qemu.sh中的一致
 ###############################################
 
-ARCH="x86_64"
-#ARCH="i386"
+echo "ARCH=${ARCH}"
+# 给ARCH变量赋默认值
+export ARCH=${ARCH:=x86_64}
+
+DISK_NAME=disk-${ARCH}.img
+
 # 内核映像
 root_folder=$(dirname $(pwd))
 kernel="${root_folder}/bin/kernel/kernel.elf"
@@ -28,6 +32,7 @@ GRUB_ABS_PREFIX=/opt/dragonos-grub
 GRUB_PATH_I386_LEGACY_INSTALL=${GRUB_ABS_PREFIX}/arch/i386/legacy/grub/sbin/grub-install
 GRUB_PATH_I386_EFI_INSTALL=${GRUB_ABS_PREFIX}/arch/i386/efi/grub/sbin/grub-install
 GRUB_PATH_X86_64_EFI_INSTALL=${GRUB_ABS_PREFIX}/arch/x86_64/efi/grub/sbin/grub-install
+GRUB_PATH_RISCV64_EFI_INSTALL=${GRUB_ABS_PREFIX}/arch/riscv64/efi/grub/sbin/grub-install
 
 GRUB_PATH_I386_LEGACY_FILE=${GRUB_ABS_PREFIX}/arch/i386/legacy/grub/bin/grub-file
 
@@ -56,22 +61,22 @@ if [ ${ARCH} == "i386" ] || [ ${ARCH} == "x86_64" ]; then
 fi
 
 # 判断是否存在硬盘镜像文件，如果不存在，就创建一个(docker模式下，由于镜像中缺少qemu-img不会创建)
-if [ ! -f "${root_folder}/bin/disk.img" ]; then
+if [ ! -f "${root_folder}/bin/${DISK_NAME}" ]; then
     echo "创建硬盘镜像文件..."
     case "$1" in
         --bios) 
         case "$2" in
                 uefi)
-            sudo bash ./create_hdd_image.sh -P MBR #GPT分区
+            sudo ARCH=${ARCH} bash ./create_hdd_image.sh -P MBR #GPT分区
             ;;
                 legacy)
-            sudo bash ./create_hdd_image.sh -P MBR #MBR分区
+            sudo ARCH=${ARCH} bash ./create_hdd_image.sh -P MBR #MBR分区
             ;;
             esac       
         ;;
     *)
         # 默认创建MBR分区
-        sudo bash ./create_hdd_image.sh -P MBR #MBR分区
+        sudo ARCH=${ARCH} bash ./create_hdd_image.sh -P MBR #MBR分区
         ;;
     esac
 fi
@@ -118,6 +123,10 @@ cfg_content='set timeout=15
 echo "echo '${cfg_content}' >  ${boot_folder}/grub/grub.cfg" | sh
 fi
 
+install_riscv64_efi(){
+    ${GRUB_PATH_RISCV64_EFI_INSTALL} --target=riscv64-efi --efi-directory=${mount_folder}  --boot-directory=${boot_folder}  --removable
+}
+
 if [ "${INSTALL_GRUB_TO_IMAGE}" = "1" ];then
 
     case "$1" in
@@ -128,10 +137,20 @@ if [ "${INSTALL_GRUB_TO_IMAGE}" = "1" ];then
                         ${GRUB_PATH_I386_EFI_INSTALL} --target=i386-efi  --efi-directory=${mount_folder}  --boot-directory=${boot_folder}  --removable
                     elif [ ${ARCH} == "x86_64" ];then
                         ${GRUB_PATH_X86_64_EFI_INSTALL} --target=x86_64-efi --efi-directory=${mount_folder}  --boot-directory=${boot_folder}   --removable
+                    elif [ ${ARCH} == "riscv64" ];then
+                        install_riscv64_efi
+                    else
+                        echo "grub install: 不支持的架构"
                     fi
                 ;;
                     legacy) #传统bios
+                    if [ ${ARCH} == "x86_64" ];then
                         ${GRUB_PATH_I386_LEGACY_INSTALL} --target=i386-pc --boot-directory=${boot_folder} /dev/$LOOP_DEVICE
+                    elif [ ${ARCH} == "riscv64" ];then
+                        install_riscv64_efi
+                    else
+                        echo "grub install: 不支持的架构"
+                    fi      
                 ;;
             esac
             ;;