travis: Add efi_loader grub2 test

We have all the building blocks now to run arbitrary efi applications
in travis. The most important one out there is grub2, so let's add
a simple test to verify that grub2 still comes up.
Signed-off-by: NAlexander Graf <agraf@suse.de>

.travis.yml

@@ -29,6 +29,9 @@ addons:
     - gcc-arm-linux-gnueabihf
     - gcc-aarch64-linux-gnu
     - iasl
+    - grub-efi-ia32-bin
+    - rpm2cpio
+    - wget
 
 install:
  # install latest device tree compiler
@@ -45,6 +48,9 @@ install:
  - virtualenv /tmp/venv
  - . /tmp/venv/bin/activate
  - pip install pytest
+ - grub-mkimage -o ~/grub_x86.efi -O i386-efi normal  echo lsefimmap lsefi lsefisystab efinet tftp minicmd
+ - mkdir ~/grub2-arm
+ - ( cd ~/grub2-arm; wget -O - http://download.opensuse.org/ports/armv7hl/distribution/leap/42.2/repo/oss/suse/armv7hl/grub2-arm-efi-2.02~beta2-87.1.armv7hl.rpm | rpm2cpio | cpio -di )
 
 env:
   global:
@@ -88,6 +94,8 @@ script:
  # "-k something" even when $TEST_PY_TEST_SPEC doesnt need a custom
  # value.
  - export UBOOT_TRAVIS_BUILD_DIR=`cd .. && pwd`/.bm-work/${TEST_PY_BD};
+   cp ~/grub_x86.efi $UBOOT_TRAVIS_BUILD_DIR/;
+   cp ~/grub2-arm/usr/lib/grub2/arm-efi/grub.efi $UBOOT_TRAVIS_BUILD_DIR/grub_arm.efi;
    if [[ "${TEST_PY_BD}" != "" ]]; then
      ./test/py/test.py --bd ${TEST_PY_BD} ${TEST_PY_ID}
        -k "${TEST_PY_TEST_SPEC:-not a_test_which_does_not_exist}"

test/py/tests/test_efi_loader.py

@@ -104,20 +104,18 @@ def test_efi_setup_static(u_boot_console):
     global net_set_up
     net_set_up = True
 
-@pytest.mark.buildconfigspec('cmd_bootefi_hello_compile')
-def test_efi_helloworld_net(u_boot_console):
-    """Run the helloworld.efi binary via TFTP.
+def fetch_tftp_file(u_boot_console, env_conf):
+    """Grab an env described file via TFTP and return its address
 
-    The helloworld.efi file is downloaded from the TFTP server and gets
-    executed.
+    A file as described by an env config <env_conf> is downloaded from the TFTP
+    server. The address to that file is returned.
     """
-
     if not net_set_up:
         pytest.skip('Network not initialized')
 
-    f = u_boot_console.config.env.get('env__efi_loader_helloworld_file', None)
+    f = u_boot_console.config.env.get(env_conf, None)
     if not f:
-        pytest.skip('No hello world binary specified in environment')
+        pytest.skip('No %s binary specified in environment' % env_conf)
 
     addr = f.get('addr', None)
     if not addr:
@@ -133,14 +131,26 @@ def test_efi_helloworld_net(u_boot_console):
 
     expected_crc = f.get('crc32', None)
     if not expected_crc:
-        return
+        return addr
 
     if u_boot_console.config.buildconfig.get('config_cmd_crc32', 'n') != 'y':
-        return
+        return addr
 
     output = u_boot_console.run_command('crc32 %x $filesize' % addr)
     assert expected_crc in output
 
+    return addr
+
+@pytest.mark.buildconfigspec('cmd_bootefi_hello_compile')
+def test_efi_helloworld_net(u_boot_console):
+    """Run the helloworld.efi binary via TFTP.
+
+    The helloworld.efi file is downloaded from the TFTP server and gets
+    executed.
+    """
+
+    addr = fetch_tftp_file(u_boot_console, 'env__efi_loader_helloworld_file')
+
     output = u_boot_console.run_command('bootefi %x' % addr)
     expected_text = 'Hello, world'
     assert expected_text in output
@@ -156,3 +166,30 @@ def test_efi_helloworld_builtin(u_boot_console):
     output = u_boot_console.run_command('bootefi hello')
     expected_text = 'Hello, world'
     assert expected_text in output
+
+@pytest.mark.buildconfigspec('cmd_bootefi')
+def test_efi_grub_net(u_boot_console):
+    """Run the grub.efi binary via TFTP.
+
+    The grub.efi file is downloaded from the TFTP server and gets
+    executed.
+    """
+
+    addr = fetch_tftp_file(u_boot_console, 'env__efi_loader_grub_file')
+
+    u_boot_console.run_command('bootefi %x' % addr, wait_for_prompt=False)
+
+    # Verify that we have an SMBIOS table
+    check_smbios = u_boot_console.config.env.get('env__efi_loader_check_smbios', False)
+    if check_smbios:
+        u_boot_console.wait_for('grub>')
+        output = u_boot_console.run_command('lsefisystab', wait_for_prompt=False, wait_for_echo=False)
+        u_boot_console.wait_for('SMBIOS')
+
+    # Then exit cleanly
+    u_boot_console.wait_for('grub>')
+    output = u_boot_console.run_command('exit', wait_for_prompt=False, wait_for_echo=False)
+    u_boot_console.wait_for('r = 0')
+
+    # And give us our U-Boot prompt back
+    u_boot_console.run_command('')