bootstd: Add a test for the bootstd menu

Add a test which checks that two operating systems can be displayed in a
menu, allowing one to be selected.

Enable a few things on snow so that the unit tests build.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/test/py/tests/test_ut.py b/test/py/tests/test_ut.py
index bab8b97..6958fab 100644
--- a/test/py/tests/test_ut.py
+++ b/test/py/tests/test_ut.py
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 # Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
 
+import getpass
 import gzip
 import os
 import os.path
@@ -13,34 +14,217 @@
     """Create a directory if it doesn't already exist
 
     Args:
-        dirname: Name of directory to create
+        dirname (str): Name of directory to create
     """
     if not os.path.exists(dirname):
         os.mkdir(dirname)
 
-def setup_bootflow_image(u_boot_console):
-    """Create a 20MB disk image with a single FAT partition"""
-    cons = u_boot_console
-    fname = os.path.join(cons.config.source_dir, 'mmc1.img')
+def setup_image(cons, mmc_dev, part_type):
+    """Create a 20MB disk image with a single partition
+
+    Args:
+        cons (ConsoleBase): Console to use
+        mmc_dev (int): MMC device number to use, e.g. 1
+        part_type (int): Partition type, e.g. 0xc for FAT32
+
+    Returns:
+        tuple:
+            str: Filename of MMC image
+            str: Directory name of 'mnt' directory
+    """
+    fname = os.path.join(cons.config.source_dir, f'mmc{mmc_dev}.img')
     mnt = os.path.join(cons.config.persistent_data_dir, 'mnt')
     mkdir_cond(mnt)
 
     u_boot_utils.run_and_log(cons, 'qemu-img create %s 20M' % fname)
     u_boot_utils.run_and_log(cons, 'sudo sfdisk %s' % fname,
-                             stdin=b'type=c')
+                             stdin=f'type={part_type:x}'.encode('utf-8'))
+    return fname, mnt
+
+def mount_image(cons, fname, mnt, fstype):
+    """Create a filesystem and mount it on partition 1
+
+    Args:
+        cons (ConsoleBase): Console to use
+        fname (str): Filename of MMC image
+        mnt (str): Directory name of 'mnt' directory
+        fstype (str): Filesystem type ('vfat' or 'ext4')
+
+    Returns:
+        str: Name of loop device used
+    """
+    out = u_boot_utils.run_and_log(cons, 'sudo losetup --show -f -P %s' % fname)
+    loop = out.strip()
+    part = f'{loop}p1'
+    u_boot_utils.run_and_log(cons, f'sudo mkfs.{fstype} {part}')
+    opts = ''
+    if fstype == 'vfat':
+         opts += ' -o uid={os.getuid()},gid={os.getgid()}'
+    u_boot_utils.run_and_log(cons, f'sudo mount -o loop {part} {mnt}{opts}')
+    u_boot_utils.run_and_log(cons, f'sudo chown {getpass.getuser()} {mnt}')
+    return loop
+
+def copy_prepared_image(cons, mmc_dev, fname):
+    """Use a prepared image since we cannot create one
+
+    Args:
+        cons (ConsoleBase): Console touse
+        mmc_dev (int): MMC device number
+        fname (str): Filename of MMC image
+    """
+    infname = os.path.join(cons.config.source_dir,
+                           f'test/py/tests/bootstd/mmc{mmc_dev}.img.xz')
+    u_boot_utils.run_and_log(
+        cons,
+        ['sh', '-c', 'xz -dc %s >%s' % (infname, fname)])
+
+def setup_bootmenu_image(cons):
+    """Create a 20MB disk image with a single ext4 partition
+
+    This is modelled on Armbian 22.08 Jammy
+    """
+    mmc_dev = 4
+    fname, mnt = setup_image(cons, mmc_dev, 0x83)
 
     loop = None
     mounted = False
     complete = False
     try:
-        out = u_boot_utils.run_and_log(cons,
-                                       'sudo losetup --show -f -P %s' % fname)
-        loop = out.strip()
-        fatpart = '%sp1' % loop
-        u_boot_utils.run_and_log(cons, 'sudo mkfs.vfat %s' % fatpart)
+        loop = mount_image(cons, fname, mnt, 'ext4')
+        mounted = True
+
+        vmlinux = 'Image'
+        initrd = 'uInitrd'
+        dtbdir = 'dtb'
+        script = '''# DO NOT EDIT THIS FILE
+#
+# Please edit /boot/armbianEnv.txt to set supported parameters
+#
+
+setenv load_addr "0x9000000"
+setenv overlay_error "false"
+# default values
+setenv rootdev "/dev/mmcblk%dp1"
+setenv verbosity "1"
+setenv console "both"
+setenv bootlogo "false"
+setenv rootfstype "ext4"
+setenv docker_optimizations "on"
+setenv earlycon "off"
+
+echo "Boot script loaded from ${devtype} ${devnum}"
+
+if test -e ${devtype} ${devnum} ${prefix}armbianEnv.txt; then
+	load ${devtype} ${devnum} ${load_addr} ${prefix}armbianEnv.txt
+	env import -t ${load_addr} ${filesize}
+fi
+
+if test "${logo}" = "disabled"; then setenv logo "logo.nologo"; fi
+
+if test "${console}" = "display" || test "${console}" = "both"; then setenv consoleargs "console=tty1"; fi
+if test "${console}" = "serial" || test "${console}" = "both"; then setenv consoleargs "console=ttyS2,1500000 ${consoleargs}"; fi
+if test "${earlycon}" = "on"; then setenv consoleargs "earlycon ${consoleargs}"; fi
+if test "${bootlogo}" = "true"; then setenv consoleargs "bootsplash.bootfile=bootsplash.armbian ${consoleargs}"; fi
+
+# get PARTUUID of first partition on SD/eMMC the boot script was loaded from
+if test "${devtype}" = "mmc"; then part uuid mmc ${devnum}:1 partuuid; fi
+
+setenv bootargs "root=${rootdev} rootwait rootfstype=${rootfstype} ${consoleargs} consoleblank=0 loglevel=${verbosity} ubootpart=${partuuid} usb-storage.quirks=${usbstoragequirks} ${extraargs} ${extraboardargs}"
+
+if test "${docker_optimizations}" = "on"; then setenv bootargs "${bootargs} cgroup_enable=cpuset cgroup_memory=1 cgroup_enable=memory swapaccount=1"; fi
+
+load ${devtype} ${devnum} ${ramdisk_addr_r} ${prefix}uInitrd
+load ${devtype} ${devnum} ${kernel_addr_r} ${prefix}Image
+
+load ${devtype} ${devnum} ${fdt_addr_r} ${prefix}dtb/${fdtfile}
+fdt addr ${fdt_addr_r}
+fdt resize 65536
+for overlay_file in ${overlays}; do
+	if load ${devtype} ${devnum} ${load_addr} ${prefix}dtb/rockchip/overlay/${overlay_prefix}-${overlay_file}.dtbo; then
+		echo "Applying kernel provided DT overlay ${overlay_prefix}-${overlay_file}.dtbo"
+		fdt apply ${load_addr} || setenv overlay_error "true"
+	fi
+done
+for overlay_file in ${user_overlays}; do
+	if load ${devtype} ${devnum} ${load_addr} ${prefix}overlay-user/${overlay_file}.dtbo; then
+		echo "Applying user provided DT overlay ${overlay_file}.dtbo"
+		fdt apply ${load_addr} || setenv overlay_error "true"
+	fi
+done
+if test "${overlay_error}" = "true"; then
+	echo "Error applying DT overlays, restoring original DT"
+	load ${devtype} ${devnum} ${fdt_addr_r} ${prefix}dtb/${fdtfile}
+else
+	if load ${devtype} ${devnum} ${load_addr} ${prefix}dtb/rockchip/overlay/${overlay_prefix}-fixup.scr; then
+		echo "Applying kernel provided DT fixup script (${overlay_prefix}-fixup.scr)"
+		source ${load_addr}
+	fi
+	if test -e ${devtype} ${devnum} ${prefix}fixup.scr; then
+		load ${devtype} ${devnum} ${load_addr} ${prefix}fixup.scr
+		echo "Applying user provided fixup script (fixup.scr)"
+		source ${load_addr}
+	fi
+fi
+booti ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}
+
+# Recompile with:
+# mkimage -C none -A arm -T script -d /boot/boot.cmd /boot/boot.scr
+''' % (mmc_dev)
+        bootdir = os.path.join(mnt, 'boot')
+        mkdir_cond(bootdir)
+        cmd_fname = os.path.join(bootdir, 'boot.cmd')
+        scr_fname = os.path.join(bootdir, 'boot.scr')
+        with open(cmd_fname, 'w') as outf:
+            print(script, file=outf)
+
+        infname = os.path.join(cons.config.source_dir,
+                               'test/py/tests/bootstd/armbian.bmp.xz')
+        bmp_file = os.path.join(bootdir, 'boot.bmp')
+        u_boot_utils.run_and_log(
+            cons,
+            ['sh', '-c', f'xz -dc {infname} >{bmp_file}'])
+
+        u_boot_utils.run_and_log(
+            cons, f'mkimage -C none -A arm -T script -d {cmd_fname} {scr_fname}')
+
+        kernel = 'vmlinuz-5.15.63-rockchip64'
+        target = os.path.join(bootdir, kernel)
+        with open(target, 'wb') as outf:
+            print('kernel', outf)
+
+        symlink = os.path.join(bootdir, 'Image')
+        if os.path.exists(symlink):
+            os.remove(symlink)
+        u_boot_utils.run_and_log(
+            cons, f'echo here {kernel} {symlink}')
+        os.symlink(kernel, symlink)
+
         u_boot_utils.run_and_log(
-            cons, 'sudo mount -o loop %s %s -o uid=%d,gid=%d' %
-            (fatpart, mnt, os.getuid(), os.getgid()))
+            cons, f'mkimage -C none -A arm -T script -d {cmd_fname} {scr_fname}')
+        complete = True
+
+    except ValueError as exc:
+        print('Falled to create image, failing back to prepared copy: %s',
+              str(exc))
+    finally:
+        if mounted:
+            u_boot_utils.run_and_log(cons, 'sudo umount %s' % mnt)
+        if loop:
+            u_boot_utils.run_and_log(cons, 'sudo losetup -d %s' % loop)
+
+    if not complete:
+        copy_prepared_image(cons, mmc_dev, fname)
+
+def setup_bootflow_image(cons):
+    """Create a 20MB disk image with a single FAT partition"""
+    mmc_dev = 1
+    fname, mnt = setup_image(cons, mmc_dev, 0xc)
+
+    loop = None
+    mounted = False
+    complete = False
+    try:
+        loop = mount_image(cons, fname, mnt, 'vfat')
         mounted = True
 
         vmlinux = 'vmlinuz-5.3.7-301.fc31.armv7hl'
@@ -90,12 +274,7 @@
             u_boot_utils.run_and_log(cons, 'sudo losetup -d %s' % loop)
 
     if not complete:
-        # Use a prepared image since we cannot create one
-        infname = os.path.join(cons.config.source_dir,
-                               'test/py/tests/bootstd/mmc1.img.xz')
-        u_boot_utils.run_and_log(
-            cons,
-            ['sh', '-c', 'xz -dc %s >%s' % (infname, fname)])
+        copy_prepared_image(cons, mmc_dev, fname)
 
 
 @pytest.mark.buildconfigspec('ut_dm')
@@ -134,6 +313,7 @@
     """Initialise data for bootflow tests"""
 
     setup_bootflow_image(u_boot_console)
+    setup_bootmenu_image(u_boot_console)
 
     # Restart so that the new mmc1.img is picked up
     u_boot_console.restart_uboot()