feat(main): Add the relevant config and implementation of ramdisk

Makefile

@@ -47,3 +47,6 @@ build: clean defconfig all
 
 qemu-run:
 	qemu-system-riscv64 -m 128M -serial mon:stdio -bios $(SBI) -nographic -machine virt -nographic -machine virt -device virtio-blk-pci,drive=disk0 -drive id=disk0,if=none,format=raw,file=$(DISK)
+
+qemu-run-ramdisknotload:
+	qemu-system-riscv64 -m 128M -serial mon:stdio -bios $(SBI) -nographic -machine virt -nographic -machine virt -device virtio-blk-pci,drive=disk0 -drive id=disk0,if=none,format=raw,file=$(DISK) -device loader,file=$(RAMDISK_CPIO),addr=0x84000000

configs/platforms/riscv64-qemu-virt.toml

@@ -75,3 +75,22 @@ timer-frequency = 10_000_000        # uint
 # };
 # RTC (goldfish) Address
 rtc-paddr = 0x10_1000               # uint
+
+#
+# Boot configs
+#
+[boot]
+# Whether to use ramdisk
+# If ramdisk has already been configured in dtb and no assistance from ArceBoot is needed, please set it to false
+# If ArceBoot needs to boot from ramdisk, please set it to true if the next stage boot file that complies with the UEFI standard is saved in ramdisk
+use-ramdisk = true
+# Does this program need to load the ramdisk
+# If the ramdisk file is located in the storage medium and needs to be loaded into memory by Arceboot, set it to true
+load-ramdisk = true
+# Ramdisk file path, If 'use-ramdisk & load-ramdisk' is false, this item will not be enabled
+ramdisk-file = "/ramdisk.cpio"
+# Ramdisk location
+# If 'use-ramdisk & load-ramdisk' is true, Arceboot will load ramdisk to memory(The address of load is random)
+# If 'load-ramdisk' is false, Arceboot will read ramdisk from [ramdisk-start, ramdisk-start + ramdisk-size]
+ramdisk-start = 0x84000000
+ramdisk-size = 0x400

scripts/test/disk.sh

@@ -7,6 +7,9 @@ print_info() {
     printf "\033[36m%s\033[0m\n" "$1"
 }
 
+print_info "开始创建 ramdisk 文件"
+bash scripts/test/ramdisk_cpio.sh
+
 print_info "开始执行 virtio-block 类型的 disk 创建脚本"
 print_info "此为 FAT32 文件系统镜像, 只含有一个 arceboot.txt 文件, 用于测试 Arceboot"
 print_info "即将在当前目录执行创建 -------->"
@@ -18,6 +21,7 @@ mkdir temp
 sudo mount -o loop disk.img temp
 sudo mkdir -p temp/test
 sudo touch temp/test/arceboot.txt
+sudo cp ramdisk.cpio temp
 echo "This is a test file for Arceboot." | sudo tee temp/test/arceboot.txt > /dev/null
 sudo umount temp
 rm -rf temp