boot-utils: Add support for m68k

README.txt

@@ -10,6 +10,7 @@ Required parameters:
        * arm32_v7
        * arm64
        * arm64be
+       * m68k
        * mips
        * mipsel
        * ppc32

boot-qemu.sh

@@ -39,7 +39,7 @@ function parse_parameters() {
             -a | --arch | --architecture)
                 shift
                 case ${1} in
-                    arm32_v5 | arm32_v6 | arm32_v7 | arm64 | arm64be | mips | mipsel | ppc32 | ppc64 | ppc64le | riscv | s390 | x86 | x86_64) ARCH=${1} ;;
+                    arm32_v5 | arm32_v6 | arm32_v7 | arm64 | arm64be | m68k | mips | mipsel | ppc32 | ppc64 | ppc64le | riscv | s390 | x86 | x86_64) ARCH=${1} ;;
                     *) die "Invalid --arch value '${1}'" ;;
                 esac
                 ;;
@@ -187,6 +187,17 @@ function setup_qemu_args() {
             QEMU=(qemu-system-aarch64)
             ;;
 
+        m68k)
+            APPEND_STRING+="console=ttyS0,115200 "
+            KIMAGE=vmlinux
+            QEMU_ARCH_ARGS=(
+                -cpu m68040
+                -M q800
+                -no-reboot
+            )
+            QEMU=(qemu-system-m68k)
+            ;;
+
         mips | mipsel)
             KIMAGE=vmlinux
             QEMU_ARCH_ARGS=(

buildroot/m68k.config

@@ -0,0 +1,8 @@
+BR2_m68k=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_M68K_68XXX_UCLIBC_STABLE=y
+BR2_TARGET_GENERIC_ROOT_PASSWD="root"
+BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
+BR2_ROOTFS_OVERLAY="../overlay-reboot"
+BR2_TARGET_ROOTFS_CPIO=y
+# BR2_TARGET_ROOTFS_TAR is not set

buildroot/rebuild.sh

@@ -32,7 +32,7 @@ CONFIGS=()
 while ((${#})); do
     case ${1} in
         all) for CONFIG in *.config; do CONFIGS+=("../${CONFIG}"); done ;;
-        arm64 | arm64be | arm | mips | mipsel | ppc32 | ppc64 | ppc64le | riscv | s390 | x86 | x86_64) CONFIGS+=("../${1}.config") ;;
+        arm64 | arm64be | arm | m68k | mips | mipsel | ppc32 | ppc64 | ppc64le | riscv | s390 | x86 | x86_64) CONFIGS+=("../${1}.config") ;;
         *) die "Unknown parameter '${1}', exiting!" ;;
     esac
     shift