Changes in tools/ew.py [13eecc4:739bc43] in mainline

File:

• tools/ew.py (modified) (6 diffs)

tools/ew.py

@@ -89 +89 @@
         return '-cpu 4Kc'
 
+def find_firmware(name, environ_var, default_paths, extra_info=None):
+        """Find firmware image(s)."""
+
+        if environ_var in os.environ:
+                return os.environ[environ_var]
+
+        for path in default_paths:
+                if os.path.exists(path):
+                        return path
+
+        sys.stderr.write("Cannot find %s binary image(s)!\n" % name)
+        sys.stderr.write(
+            "Either set %s environment variable accordingly or place the image(s) in one of the default locations: %s.\n" %
+            (environ_var, ", ".join(default_paths)))
+        if extra_info is not None:
+                sys.stderr.write(extra_info)
+        return None
+
 def platform_to_qemu_options(platform, machine, processor):
         if platform == 'amd64':
@@ -94 +112 @@
         elif platform == 'arm32':
                 return 'system-arm', '-M integratorcp'
+        elif platform == 'arm64':
+                # Search for the EDK2 firmware image
+                default_paths = (
+                        '/usr/local/qemu-efi-aarch64/QEMU_EFI.fd', # Custom
+                        '/usr/share/edk2/aarch64/QEMU_EFI.fd',     # Fedora
+                        '/usr/share/qemu-efi-aarch64/QEMU_EFI.fd', # Ubuntu
+                )
+                extra_info = ("Pre-compiled binary can be obtained from "
+                    "http://snapshots.linaro.org/components/kernel/leg-virt-tianocore-edk2-upstream/latest/QEMU-AARCH64/RELEASE_GCC49/QEMU_EFI.fd.\n")
+                efi_path = find_firmware(
+                    "EDK2", 'EW_QEMU_EFI_AARCH64', default_paths, extra_info)
+                if efi_path is None:
+                        raise Exception
+
+                return 'system-aarch64', \
+                    '-M virt -cpu cortex-a57 -m 1024 -bios %s' % efi_path
         elif platform == 'ia32':
                 return 'system-i386', pc_options(32)
@@ -108 +142 @@
                 if processor == 'us':
                         return 'system-sparc64', '-M sun4u --prom-env boot-args="console=devices/\\hw\\pci0\\01:01.0\\com1\\a"'
-                elif processor == 'sun4v':
-                        default_path = '/usr/local/opensparc/image/'
-                try:
-                        if os.path.exists(default_path):
-                                opensparc_bins = default_path
-                        elif os.path.exists(os.environ['OPENSPARC_BINARIES']):
-                                opensparc_bins = os.environ['OPENSPARC_BINARIES']
-                        else:
-                                raise Exception
-                except:
-                        print("Cannot find OpenSPARC binary images!")
-                        print("Either set OPENSPARC_BINARIES environment variable accordingly or place the images in %s." % (default_path))
+
+                # processor = 'sun4v'
+                opensparc_bins = find_firmware(
+                    "OpenSPARC", 'OPENSPARC_BINARIES',
+                    ('/usr/local/opensparc/image/', ))
+                if opensparc_bins is None:
                         raise Exception
 
@@ -208 +236 @@
                 cmdline += ' ' + options
 
-        cmdline += qemu_bd_options()
-
+        if (not 'hdd' in cfg.keys() or cfg['hdd']):
+                cmdline += qemu_bd_options()
         if (not 'net' in cfg.keys()) or cfg['net']:
                 cmdline += qemu_net_options()
@@ -234 +262 @@
         if cfg['image'] == 'image.iso':
                 cmdline += ' -boot d -cdrom image.iso'
+        elif cfg['image'] == 'image.iso@arm64':
+                # Define image.iso cdrom backend.
+                cmdline += ' -drive if=none,file=image.iso,id=cdrom,media=cdrom'
+                # Define scsi bus.
+                cmdline += ' -device virtio-scsi-device'
+                # Define cdrom frontend connected to this scsi bus.
+                cmdline += ' -device scsi-cd,drive=cdrom'
         elif cfg['image'] == 'image.boot':
                 cmdline += ' -kernel image.boot'
@@ -276 +311 @@
                         'xhci' : False,
                         'tablet' : False
+                }
+        },
+        'arm64' : {
+                'virt' : {
+                        'run' : qemu_run,
+                        'image' : 'image.iso@arm64',
+                        'audio' : False,
+                        'console' : True,
+                        'hdd' : False,
+                        'net' : False,
+                        'tablet' : False,
+                        'usb' : False,
+                        'xhci' : False
                 }
         },