loongarch: use special linux version, boots up now

mk/image.mk

@@ -98,7 +98,7 @@ ifneq ($(ADK_TARGET_ARCH_AARCH64)$(ADK_TARGET_ARCH_X86_64)$(ADK_TARGET_ARCH_PPC6
 	test ! -d ${TARGET_DIR}/usr/lib || rm -rf ${TARGET_DIR}/usr/lib/
 	(cd ${TARGET_DIR}/usr ; ln -sf ${ADK_TARGET_LIBC_PATH} lib)
 endif
-ifeq ($(ADK_TARGET_ARCH_S390),y)
+ifeq ($(ADK_TARGET_ARCH_LOONGARCH)$(ADK_TARGET_ARCH_S390),y)
 	(cd ${TARGET_DIR}/; ln -sf lib lib64)
 endif
 

mk/kernel-build.mk

@@ -27,6 +27,10 @@ ifeq ($(ADK_TARGET_KERNEL_VMLINUX_BOOTP),y)
 KERNEL_FILE:=bootpfile
 KERNEL_TARGET:=bootpfile
 endif
+ifeq ($(ADK_TARGET_KERNEL_VMLINUX_EFI),y)
+KERNEL_FILE:=vmlinux.efi
+KERNEL_TARGET:=all
+endif
 ifeq ($(ADK_TARGET_KERNEL_VMLINUX_GZ),y)
 KERNEL_FILE:=vmlinux
 KERNEL_TARGET:=all

target/config/Config.in.kernelfmt

@@ -31,6 +31,9 @@ config ADK_TARGET_KERNEL_VMLINUX_BIN
 config ADK_TARGET_KERNEL_VMLINUX_BOOTP
 	bool
 
+config ADK_TARGET_KERNEL_VMLINUX_EFI
+	bool
+
 config ADK_TARGET_KERNEL_VMLINUX_GZ
 	bool
 
@@ -55,6 +58,7 @@ config ADK_TARGET_KERNEL
 	default "vmlinux.srec" if ADK_TARGET_KERNEL_VMLINUX_SREC
 	default "vmlinux.bin" if ADK_TARGET_KERNEL_VMLINUX_BIN
 	default "bootpfile" if ADK_TARGET_KERNEL_VMLINUX_BOOTP
+	default "vmlinux.efi" if ADK_TARGET_KERNEL_VMLINUX_EFI
 	default "vmlinux.gz" if ADK_TARGET_KERNEL_VMLINUX_GZ
 	default "xipImage" if ADK_TARGET_KERNEL_XIPIMAGE
 	default "bzImage" if ADK_TARGET_KERNEL_BZIMAGE

target/linux/Config.in.kernelversion

@@ -167,6 +167,7 @@ endchoice
 config ADK_TARGET_LINUX_KERNEL_GIT_REPO
 	string "git repository"
 	depends on ADK_TARGET_LINUX_KERNEL_VERSION_GIT
+	default "https://github.com/loongson/linux.git" if ADK_TARGET_LINUX_ARCH_LOONGARCH
 	default "https://github.com/raspberrypi/linux.git" if ADK_TARGET_BOARD_BCM28XX
 	default "git://git.code.sf.net/p/adi-linux/code" if ADK_TARGET_SYSTEM_ADSP_BF537
 	default "https://github.com/EmcraftSystems/linux-emcraft.git" if ADK_TARGET_SYSTEM_KINETIS_K70
@@ -183,6 +184,7 @@ config ADK_TARGET_LINUX_KERNEL_GIT_REPO
 config ADK_TARGET_LINUX_KERNEL_GIT_REPO_NAME
 	string
 	depends on ADK_TARGET_LINUX_KERNEL_VERSION_GIT
+	default "loongarch" if ADK_TARGET_LINUX_ARCH_LOONGARCH
 	default "kvx" if ADK_TARGET_ARCH_KVX
 	default "lm32" if ADK_TARGET_ARCH_LM32
 	default "rpi" if ADK_TARGET_BOARD_BCM28XX
@@ -206,10 +208,12 @@ config ADK_TARGET_LINUX_KERNEL_GIT
 	default "c85fbc86c61a8c8fd45ab1fe3d1bdd2df12f7962" if ADK_TARGET_SYSTEM_SOLIDRUN_IMX6
 	default "8624998967676862843aed1f8ee2141e98987f81" if ADK_TARGET_SYSTEM_BEAGLEBONE_BLACK
 	default "v4.4.52-phy" if ADK_TARGET_SYSTEM_PHYTEC_WEGA
+	default "loongarch-next" if ADK_TARGET_LINUX_ARCH_LOONGARCH
 
 config ADK_TARGET_LINUX_KERNEL_GIT_VER
 	string "kernel version"
 	depends on ADK_TARGET_LINUX_KERNEL_VERSION_GIT
+	default "5.19" if ADK_TARGET_LINUX_ARCH_LOONGARCH
 	default "5.10.92" if ADK_TARGET_BOARD_BCM28XX
 	default "4.4.37" if ADK_TARGET_SYSTEM_BEAGLEBONE_BLACK
 	default "4.4.52" if ADK_TARGET_SYSTEM_PHYTEC_WEGA
@@ -221,6 +225,7 @@ config ADK_TARGET_LINUX_KERNEL_GIT_VER
 config ADK_TARGET_LINUX_KERNEL_GIT_TYPE
 	string
 	depends on ADK_TARGET_LINUX_KERNEL_VERSION_GIT
+	default "branch" if ADK_TARGET_LINUX_ARCH_LOONGARCH 
 	default "branch" if ADK_TARGET_SYSTEM_PHYTEC_WEGA
 	default "hash"
 

target/loongarch/Makefile

@@ -5,9 +5,9 @@ include $(ADK_TOPDIR)/rules.mk
 include $(ADK_TOPDIR)/mk/kernel-build.mk
 include $(ADK_TOPDIR)/mk/image.mk
 
-KERNEL:=$(LINUX_DIR)/vmlinux
+KERNEL:=$(LINUX_DIR)/arch/loongarch/boot/vmlinux.efi
 
-QEMU_ARGS:=-M virt
+QEMU_ARGS:=-M virt -bios target/loongarch/QEMU_EFI.fd -append "console=ttyS0,115200"
 QEMU_ARGS+=-nographic
 #
 # target helper text

target/loongarch/kernel/qemu-loongarch

@@ -1,7 +1,10 @@
 CONFIG_LOONGARCH=y
 CONFIG_64BIT=y
 CONFIG_MACH_LOONGSON64=y
+CONFIG_ACPI=y
+CONFIG_IRQ_DOMAIN=y
 CONFIG_EFI=y
+CONFIG_EFI_STUB=y
 CONFIG_SMP=y
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y

target/loongarch/systems/qemu-loongarch

@@ -2,6 +2,7 @@ config ADK_TARGET_SYSTEM_QEMU_LOONGARCH
 	bool "Qemu Emulator"
 	select ADK_TARGET_QEMU
 	select ADK_TARGET_CPU_LOONGARCH
+	select ADK_TARGET_KERNEL_VMLINUX_EFI
 	help
 	  Support for Qemu Emulator Loongarch architecture.